Hot press forming machine

Hot press forming machine

This case is related to the hot press forming machine. In more detail, the hot press forming machine of the present invention has the technical features of improving the moving speed of the movable mold and improving the operation convenience.

The conventional hydraulic press comprises four vertical guide rods fixed to the machine table, and a fixed seat is arranged at the top end thereof; and a movable seat reciprocally movable along the vertical guide rod. The upper surface of the fixing base and the movable seat is provided with an upper mold and a lower mold. The hydraulic system controls the movable seat to move along the vertical guide to open and close the mold.

The hydraulic system that controls the reciprocating movement of the movable seat is usually equipped with complex inlet and drain devices and pipelines, and the complicated oil circuit control limits the flow speed of the oil, which affects the speed of opening and closing.

The conventional hot press molding machine adopts four vertical guide rods as the main structure supporting the fixed upper mold and the movable lower mold, and the movable lower mold is further moved by the vertical guide rod as a track, but each guide rod is separately subjected to Force, easy to have uneven force or deformation, this problem will affect the opening and closing of the mold and stability.

Due to the position of the fixed upper mold and the movable lower mold, the operator must take the material in the limited space between the upper mold and the lower mold and clean the mold, which is quite inconvenient.

In order to solve the above problems, the conventional hot press forming machine has complicated oil passage control affecting the opening and closing speed, the individual guide rods are easily deformed by the force, and the feeding and cleaning of the mold are inconvenient, and a specific solution is proposed.

The technical means for solving the above problem is to set a fuel tank with a predetermined amount of oil under one machine; the two side plates are fixed at the relative positions of the machine, and the top end thereof is fixedly fixed with a top seat; the two side plates, the machine table and the upper seat Forming a mold space; a main oil pressure system is fixed on the machine and immersed in the oil tank, and a control valve is provided to control the oil and the oil in the main hydraulic system to be turned on and off; the main oil The pressure system further has a passage, and cooperates with a pressing device to inject the oil in the oil tank into the main hydraulic system at an appropriate timing; a lower mold is disposed in the mold space and is controlled by the main hydraulic system. Lifting and moving; an upper mold base fixed to the upper seat, disposed coaxially with the lower mold in the mold space; a middle mold base disposed coaxially with the upper and lower molds in the mold space, subject to A middle mold lifting mechanism controls and can move up and down.

One of the purposes and functions achieved in this case is that the main hydraulic system for controlling the lifting and moving of the lower mold base is immersed in the oil tank, and the oil inside the main hydraulic system and the oil in the oil tank are controlled by the above control valve. . Compared with the prior art pipeline type inlet and drain devices, the pipeline design is not used in this case, so the oil flow velocity is not limited by the pipe diameter, and the flow rate of the oil in the main oil pressure system and the fuel tank and the lower die The lifting speed of the seat is improved.

One of the purposes and effects achieved in this case is that the two side plates are fixed to the machine table and the upper seat, and the strength and the force area are increased by the two solid plate joints. Compared with the previous four guide rods as the positioning fixed mold and the technology for moving the movable mold along the edge, the stability of the two side plates of the solid plate structure of the present case is stronger than that of the four guide rods, and the force area is relatively large, which is more stable. In the case of the mold base, and the mold base in the case can be stably moved up and down, the stability of the opening and closing movement can be improved.

The purpose and effect of the present invention is that the lower mold base and the middle mold base are controlled by the lower mold translation mechanism and the middle mold translation mechanism, and can be in a fixed position relative to the mold space and a moving position away from the mold space. Performing lateral translation; a plurality of suspension rails are disposed on the bottom surface of the upper seat, and an axis is slid in the suspension rail on opposite sides of the upper mold base; one end of the upper mold base is controlled by a tilting system to The suspension rail translates between a clamping position that can be closed with the lower mold and a take-out position away from the clamping position; when the upper mold base is in the above-mentioned reclaiming position, the tilting system further makes the upper portion The mold base is inclined at a predetermined angle with the above-mentioned shaft as a heart, so that the operator can take out the finished shoe. The middle mold base and the lower mold base, which can be moved horizontally between the fixed position and the advance and retreat positions, can enhance the operator's ability to organize the mold.

Regarding the spatial type of the case, as shown in the first and second figures, there is included a machine (50), which is provided with a fuel tank (51) for injecting a predetermined amount of oil. The two side plates (55) are oppositely disposed on the left and right sides of the machine table (50), and the top ends thereof are commonly fixed to an upper seat (56). A mold space is formed between the two side plates (55), the machine table (50) and the upper seat (56).

The lower mold base (60) is disposed in the mold space and is moved up and down by a main hydraulic system (61), which is further controlled by the lower mold translation mechanism (65) to be between a fixed position and a moving position. Do horizontal translation. The main hydraulic system (61) is fixed to the machine table (50) and immersed in the oil tank (51), and comprises a main hydraulic cylinder block (62) and a main piston (621) attached thereto, and two hydraulic pressures. a cylinder (63) and a secondary piston (631) attached thereto, a main and a secondary piston (621) (631) are respectively connected to the lower die holder (60); the main hydraulic cylinder block (62) is provided with a control valve ( 64), controlling the oil of the oil tank (51) and the main hydraulic cylinder block (62) to be turned on and off. The main hydraulic cylinder block (62) is further provided with a passage (66), and a pressurizing device (67) is used to pressurize the oil in the oil tank (51) into the main hydraulic cylinder block (62).

An upper mold base (70) is disposed at an upper position perpendicular to the lower mold base (60) in the mold space; a set of suspension rails (561) is disposed on the bottom surface of the upper seat (56), and the upper mold base (70) The opposite side of each of the opposite sides is provided with a shaft (71) slid in the suspension rail (561), and one end of the upper mold base (70) is controlled by a tilting system (74) fixed to the upper seat (56) so as to be along The suspension rail (561) performs lateral translation between a clamping position and a reclaiming position, especially when the upper mold base (70) is horizontally moved out of the mold space by a predetermined distance as a reclaiming position. The tilting system (74) further drives the upper die holder (70) to be tilted into a retracting position centered on the shaft (71). The tilting system (74) is a pressure cylinder (741) whose cylinder is pivotally fixed to an extension arm (561) fixed to the upper seat (56), and a valve stem (742) movable shaft attached to the cylinder The end is pivoted to the end of the upper mold base (70).

a middle mold base (80) is disposed in the mold space between the upper mold base (70) and the lower mold base (60), and is controlled by a middle mold translation mechanism (81) to be at a fixed position and a retreat The horizontal translation is performed between the shifting positions, and is controlled by a middle mold lifting mechanism (84) to move the middle mold base (80) and the middle mold translation mechanism (81) along the poles (57) provided on the two side plates (55); Regarding the operation mode of each of the above-mentioned mold bases in the present case, the following description will be made with reference to the second to ninth figures.

As shown in the second figure, the upper mold base (70), the middle mold base (80) and the lower mold base (60) are located at the split position, and the control valve (64) of the main oil pressure system (61) is closed.

As shown in the third figure, the middle mold base (80) is moved upward by the control of the middle mold lifting mechanism (84) to be clamped with the upper mold base (70), and the lower mold base (60) is sub-piston (631). Controlling and moving up quickly and clamping the mold base (80), while the main piston (621) is followed by the rise of the lower mold base (60), the control valve (64) is opened, so that The oil of the oil tank (51) enters the inside of the main hydraulic cylinder block (62) through a passage formed by the control valve (64).

As shown in the fourth figure, after the upper, middle and lower die holders (70) (80) (60) are closed, the control valve (64) is closed, and the pressurizing device (67) is activated to pump the oil in the fuel tank (51). The main hydraulic cylinder block (62) is injected into the main hydraulic cylinder block (62) by the passage (66), and the supercharger pushes up the main piston (621) to apply a larger clamping force to the lower mold base (60). At this stage, the steps of injection, heating, cooling, and molding of the outsole of the shoe are completed. An inner sole of a shoe outsole is formed between the upper mold base and the mold (72) (82) of the middle mold base, and an outer sole is formed on the mold of the lower mold base (60) and the middle mold base (80) (68) ) (83) between.

As shown in the fifth figure, after the inner sole and the outer sole are formed, the upper, middle and lower mold bases (70) (80) (60) are opened, and the formed inner sole is located in the mold (72) of the upper mold base, and is formed. The outer sole is located on the mold (68) of the lower die holder (60). The middle mold base (80) is controlled by the mold translation mechanism (81) to perform lateral translation from the fixed position of the mold clamping to the retracted position. At the same time, the control valve (64) is opened, and the main piston (621) follows the lower die holder (60), so that the oil of the main hydraulic cylinder block (62) passes through the control valve (64). The resulting passage enters the tank (51).

As shown in the sixth figure, the lower die holder (60) is controlled by its secondary piston (631) to move upward to clamp the upper die holder (70). At the same time, the main piston (621) is followed by the rise of the lower die holder (60), and the control valve (64) is opened to allow the oil of the oil tank (51) to pass through the passage formed by the control valve (64). Enter the inside of the main hydraulic cylinder block (62).

As shown in the seventh figure, after the upper and lower die holders (70) (60) are closed, the control valve (64) is closed, and the pressing device (67) is activated to pass the oil in the oil tank (51) through the passage (66). The high pressure is injected into the main hydraulic cylinder block (62), and the supercharger pushes up the main piston (621) to apply a larger clamping force to the lower mold base (60) to join the inner and outer soles.

As shown in the eighth figure, after the inner and outer soles are combined, the upper and lower mold bases (70) (60) are opened, and the tilting system (74) controls the upper mold base (70) to be suspended along the suspension. The track (561) is laterally translated from the clamping position described above to the take-up position.

As shown in the ninth figure, when the upper mold base (70) is horizontally displaced outwardly from the mold space by a predetermined distance, the valve stem (742) of the tilting system (74) continues to extend to drive the upper mold base (70). The shaft (71) is inclined to a retracting position for the heart, and the tilting system (74) is also rotated at a predetermined angle by the movable pivot. The outsole of the molded shoe is combined with the mold of the upper mold base, and the upper mold base of the take-up position pushes the sole of the shoe to a position suitable for removal. The lower die holder (60) is controlled by its lower die translation mechanism (65) to move to a shifting position.

In this case, the main hydraulic system (61) for moving up and down the mold base (60) is immersed in the oil tank (51), and a control valve (64) controls the oil and the fuel tank inside the main hydraulic cylinder block (62). The oil in (51) is turned on and off. Compared with the prior art pipeline type inlet and drain devices, the pipeline design is not used in this case, so the oil flow speed is not limited by the pipe diameter, and the oil is in the hydraulic cylinder block (62) and the oil tank (51). Both the inflow and outflow speeds and the lifting speed of the lower die holder (60) are improved.

In this case, the two side plates (55) are fixed to the machine table (50) and the upper seat (62), and the two solid plate joints are used to increase the strength and the force receiving area. Compared with the previous four guide rods as the positioning fixed mold and the technology for moving the movable mold along the edge, the stability of the two side plates (55) of the solid plate structure of the present case is stronger than that of the four guide rods, and the force area is relatively large. The mold base (70) above the case can be more stabilized, and the mold base (80) in the case can be stably moved up and down, and the stability of the opening and closing motion can be improved.

In the present case, the mold base (70) can be tilted to a suitable reclaiming position, which is convenient for the operator to take out the finished shoe. The middle mold base (80) and the lower mold base (60), which are horizontally movable between the fixed position and the advance and retreat positions, can enhance the operator's ability to organize the mold.

Although the present case is illustrated by a preferred embodiment, those skilled in the art can make various forms of changes without departing from the spirit and scope of the present invention. The above embodiments are only used to illustrate the present case and are not intended to limit the scope of the present invention. All kinds of modifications or changes that are not in violation of the spirit of the case are the scope of patent application in this case.

<p>50. . . Machine</p><p>51. . . tank</p><p>55. . . Side panel</p><p>56. . . Sitting</p><p>561. . . Extension arm</p><p>561. . . Suspension track</p><p>57. . . Pole</p><p>60. . . Lower mold base</p><p>61. . . Main hydraulic system</p><p>62. . . Main hydraulic cylinder block</p><p>621. . . Main piston</p><p>63. . . Secondary hydraulic cylinder</p><p>631. . . Secondary piston</p><p>64. . . Control valve</p><p>65. . . Lower die translation mechanism</p><p>66. . . path</p><p>67. . . Pressurizing device</p><p>68. . . Mold</p><p>70. . . Upper mold base</p><p>71. . . axis</p><p>74. . . Tilting system</p><p>741. . . Pressure cylinder</p><p>742. . . Valve stem</p><p>72. . . Mold</p><p>80. . . Mold base</p><p>81. . . Medium mode translation mechanism</p><p>82. . . Mold</p><p>83. . . Mold</p><p>84. . . Medium mold lifting mechanism</p>

The first picture is the front view of the hot press forming machine of this case.

The second figure is the right side view of the hot press forming machine of the present case.

The third figure is a schematic diagram of the right side view and action of the hot press forming machine of this case (1).

The fourth picture is a schematic diagram of the right side view and action of the hot press forming machine of this case (2).

The fifth picture is a schematic diagram of the right side view and action of the hot press forming machine of this case (3).

The sixth figure is a schematic diagram of the right side view and action of the hot press forming machine of this case (4).

The seventh picture is a schematic view of the right side view and action of the hot press forming machine of this case (5).

The eighth figure is a schematic diagram of the right side view and action of the hot press forming machine of this case (6).

The ninth figure is a schematic view of the right side view and action of the hot press forming machine of this case (7).