TWI698321B - Multi-piece hot compression molding machine - Google Patents

Abstract

A multi-piece hot compression molding machine includes a base, a lower mold disposed on a hydraulic driving member of the base, an upper mold, a middle plate, a middle frame, and a fastening unit. The upper mold is above the lower mold and driven to operate with the hydraulic driving member, so the lower mold horizontally moves to be engaged with or disengaged from the upper mold. The upper mold is allowed to move between the engagement position and a bias position with the operation of a raising mechanism. The middle plate horizontally moves between the lower mold and the upper mold, and a connection portion of the middle frame is combined by the fastening unit for moving toward or away from the upper mold with the operation of a pushing mechanism. Therefore, the hot compression molding process is facilitated.

Description

Four disassembly hot press forming machine

The present invention relates to a hot press forming machine, in particular to a four-part hot press forming machine in which the middle frame can be separated from the pushing mechanism.

For example, Taiwan Patent Announcement No. M303815 is a new type of "four-part vacuum thermoforming machine", which has a lower mold base, a middle plate, an upper mold base, a middle frame and a vacuum cover. The lower mold base is controlled by a hydraulic cylinder. It can move up and down, the upper mold base can be controlled to be turned over, and the middle plate is arranged between the upper and lower molds and can move horizontally. Among them, the middle frame is set on the upper mold base, which can be controlled to move up and down between the upper mold and the lower mold by being pushed, and the middle frame can be further turned over, and cooperate with the cover of the vacuum cover to perform hot pressing and extraction. Vacuum forming operation.

However, in the process of forming operations, before the middle frame and the upper and lower molds are hot-pressed together, the middle frame and the lower mold must be bonded together before the blanking action. At this time, the space above the lower mold will be blocked by the middle frame. Occupied by the connected pushing mechanism, it forms a barrier to the blanking and finishing of the mold, thus causing troubles and inconveniences in the preparation work for hot pressing. This is the problem to be solved by the present invention.

In order to solve the above-mentioned problems, the present invention provides a four-part hot press forming machine. When the middle frame is moved to the lower mold, the pushing mechanism and its locking unit can be separated from the middle frame without occupying the space for mold blanking and finishing.

An embodiment of the present invention provides a four-part hot press forming machine, which includes: a base, a lower mold base, an upper mold base, a middle plate, and a middle frame. The lower mold base is set on the oil of the base. The lower mold can be set on the pressure driving part, an upper mold base is set above the lower mold base and the upper mold can be set, and the lower mold base is actuated by the hydraulic driving part to raise and lower the lower mold to close or open the mold with the upper mold. The upper mold base can move between a mold clamping position and an inclined position following the action of a lifting mechanism. The middle plate is horizontally movable and arranged between the lower mold base and the upper mold base. The pushing mechanism is arranged on the upper mold base and a locking unit is provided. The middle frame has a connecting part that can be engaged by the locking unit, and moves closer to or away from the upper mold base with the action of the pushing mechanism, and the locking unit can be controlled and The connecting part is relatively separated, so that the locking unit can be moved away from the middle frame with the action of the pushing mechanism.

Thereby, when the lower mold and the upper mold are hot-pressed with the middle frame, since the locking unit has been relatively detached from the connecting part of the middle frame, they can move away from the middle frame with the action of the pushing mechanism, and Allow the pushing mechanism to move back to its upper mold base. At this time, the lower mold and the middle frame will not be occupied by the pushing mechanism, and the operator can heat the lower mold before closing the mold in sufficient operating space And the middle frame for cutting and finishing, so as to achieve smooth hot pressing and make the process more efficient.

In order to facilitate the description of the central idea of the present invention expressed in the column of the above-mentioned summary of the invention, specific embodiments are used to express it. The various objects in the embodiment are drawn according to the proportion, size, deformation or displacement suitable for explanation, rather than drawn according to the proportion of the actual element, which will be described first.

1 to 5, the present invention provides a four-part hot press molding machine 100, which includes a base 10, a lower mold base 20, an upper mold base 30, a middle plate 40, and a pushing mechanism 50, And a middle box 60, where:

The base 10 is provided with a hydraulic driving member 11, which is a hydraulic cylinder in this embodiment. The base 10 of this embodiment includes two side plates 12. The lower mold base 20 is provided on the hydraulic drive member 11 and a lower mold M1 may be provided, the upper mold base 30 is provided above the lower mold base 20, and the upper mold base 30 may be provided with an upper mold M2. The seat 20 moves with the hydraulic drive member 11 to raise or lower the lower mold seat 20, so that the mold M1 located under the lower mold seat 20 can be closed or opened with the upper mold M2, and the lower mold M1 and The upper mold M2 is an example of a mold for making a rubber outsole (not shown in the figure) of a shoe in this embodiment.

The upper mold base 30 is pivoted on one side of the machine base 10 in this embodiment. The upper mold base 30 is connected to a lifting mechanism 31, which is arranged on the base 10 and can be aligned with the upper mold The base 30 is lifted, and the upper mold base 30 moves between a clamping position P1 and an inclined position P2 following the action of the lifting mechanism 31. In this embodiment, the jacking mechanism 31 includes a jacking cylinder 311 and a connecting arm 312. The connecting arm 312 is set on the upper mold base 30, and the set position is different from the upper mold base 30 and the machine base. 10 One side of the pivot.

By the way, the jacking cylinder 311 has an actuating rod 313 which can be extended and contracted at one end of the jacking cylinder 311. The actuating rod 313 is pivotally connected to the connecting arm 312 by the end extending out of the jacking cylinder 311. The jacking cylinder 311 drives the actuating rod 313 to expand and contract to drive the upper mold base 30 to move between the clamping position P1 and the inclined position P2. The clamping position P1 refers to the lower mold base 20 being raised and lowered. The position where the mold M1 and the upper mold M2 can be closed, and after the lower mold M1 and the upper mold M2 are closed and the hot pressing is completed, the upper mold base 30 can be displaced from the mold clamping position P1 to the inclined position P2, so that the operator can move The finished product is removed.

The middle plate 40 is horizontally movably arranged between the lower mold base 20 and the upper mold base 30. In this embodiment, the middle plate 40 is provided with a translation mechanism 41 on the base 10, and the middle plate 40 is provided on the translation mechanism 41 and can move horizontally between the lower mold base 20 and the upper mold base 30. The middle plate 40 described above can be combined with the lower mold M1 and the upper mold M2 for hot pressing during the hot press forming operation. The middle plate 40 of this embodiment can place the aforementioned rubber outsole in the hot press. The accessories to be combined during the molding process, or the coloring is performed in the process of hot pressing the rubber outsole.

The pushing mechanism 50 is arranged on the upper mold base 30, and when the upper mold base 30 is at a position between the clamping position P1 and the inclined position P2, the pushing mechanism 50 is tilted and displaced with the upper mold base 30, and the pushing mechanism 50 is provided with a The locking unit 70 is used to engage the middle frame 60. The middle frame 60 has a connecting portion that can be engaged by the locking unit 70, and moves closer to or away from the upper mold base 30 with the action of the pushing mechanism 50, and the locking unit 70 can be controlled to be relatively disassembled from the connecting portion. The lock unit 70 can be moved away from the middle frame 60 with the action of the pushing mechanism 50. In this case, the middle frame 60 can also be combined with the aforementioned lower mold M1 and upper mold M2 for hot pressing. The frame 60 in this embodiment is used when the ring side of the rubber outsole needs to be used for canvas shoes. In the case of a higher shoe edge, the rubber outsole of the higher shoe edge can be formed with the aid of the middle frame 60.

In detail, the pushing mechanism 50 of this embodiment includes a pushing cylinder 51. The pushing cylinder 51 has a driving rod 511. The driving rod 511 can extend and contract at one end of the pushing cylinder 51. The driving rod 511 extends out of the pushing cylinder 51. One end of the cylinder 51 is connected to the upper mold base 30, and the push cylinder 51 has a coupling plate 52 at the telescopic end of the drive rod 511. The push mechanism 50 includes a plurality of pipes 53, which are longitudinally movable and pass through the upper mold base. 30. In this embodiment, a plurality of pipes 53 are arranged on the joining plate 52, and move relative to the upper mold base 30 with the expansion and contraction of the driving rod 511. Therefore, when the driving rod 511 retracts to the pushing cylinder 51, the plurality of pipes 53 extend toward the lower mold base 20, and the middle frame 60 moves away from the upper mold base 30; on the contrary, when the driving rod 511 extends out of the pushing cylinder 51 , The plural pipes 53 are moved back to the upper mold base 30, and the middle frame 60 is closer to the upper mold base 30 at this time.

In addition, each tube 53 is provided with a locking unit 70. The locking unit 70 of this embodiment includes a control member 71, a movable rod 72 and a connecting member. The control piece 71 is arranged at the top of the pipe 53 where it is located, the movable rod 72 movably penetrates through the pipe 53 where it is located, and the top end of the movable rod 72 is connected to the control piece 71, and the connecting piece is arranged at the top of the pipe 53 where it is located. At the bottom end, the movable rod 72 can be controlled by the control member 71 to move in the tube 53 where it is located. The connecting member engages or disengages the connecting portion of the middle frame 60 with the movement of the movable rod 72. In this embodiment, the control element 71 is a pneumatic cylinder, and the movable rod 72 can be axially displaced in the tube 53 where the control element 71 is located.

The connecting portion of the middle frame 60 is a positioning pin 61 in this embodiment. The positioning pin 61 has a groove 611, and the groove 611 is ring-shaped in this embodiment. The connector of this embodiment includes a base 73 and a socket 74. The base 73 is located at the bottom end of the pipe 53. The base 73 is provided with a pin hole 731 and a plurality of beads 732. The pin hole 731 is a shaft. The bead 732 can move laterally relative to the pin hole 731. The sleeve 74 is connected to the bottom end of the movable rod 72. The sleeve 74 has a ring wall 741 connected to the ring side of the seat body 73. The seat body 73 can use the pin hole 731 to engage the corresponding positioning pin 61 along with the longitudinal movement of the tube 53 in which it is located, and with the axial displacement of the movable rod 72 to drive the sleeve 74 to push the ball 732 in the groove 611 with the ring wall 741, Allow the socket 74 to engage the positioning pin 61; or, with the axial displacement of the movable rod 72, move away from the ring wall 741 of the socket 74, so that the ring wall 741 does not push the ball 732 in the groove 611, and the socket 74 is separated from the positioning pin 61.

In actual operation, before the lower mold base 20 is raised by the hydraulic drive member 11 to close the lower mold M1 and the upper mold M2, if the middle frame 60 is to be closed together with the lower mold M1 and the upper mold M2, When the upper mold base 30 is at the clamping position P1 and the drive rod 511 is retracted to push the cylinder 51, the plural pipes 53 extend toward the lower mold base 20, and the middle frame 60 is now away from the upper mold base 30 and close to the lower mold base. 20. Until the middle frame 60 is placed on the lower mold M1, the sleeve 74 can be separated from the positioning pin 61 as described above, and when the drive rod 511 is extended out of the pushing cylinder 51, the plural pipes 53 extend back to the upper mold base 30, At this time, the middle frame 60 remains on the lower mold M1, and after the middle frame 60 and the lower mold M1 are blanked and arranged, the mold clamping and hot seat are performed to form the aforementioned rubber outsole. Next, the lower mold base 20 is lowered by the hydraulic drive member 11 to open the lower mold M1 and the upper mold M2, and then the drive rod 511 is retracted to push the cylinder 51 so that the plurality of pipes 53 extend to the lower mold base 20, so that each pipe The socket 74 of 53 is joined to the positioning pin 61 as described above, and then extends back to the upper mold base 30 with the plural pipes 53, and the upper mold base 30 is displaced to the inclined position P2, and the molded rubber outsole Take it down and complete the hot pressing of the rubber outsole.

From the above description, it is not difficult to find that the present invention is characterized in that, before the lower mold M1 and the upper mold M2 are combined with the middle frame 60 to be hot-pressed, since the locking unit 70 has been relatively separated from the connecting portion of the middle frame 60, As the pushing mechanism 50 moves to move the upper mold base 30 away from the middle frame 60, the space above the lower mold M1 and the middle frame 60 will be vacated and will not be occupied by the pushing mechanism 50, and the operator can have sufficient Under the operating space, the lower mold M1 and the middle frame 60 before the closing and hot pressing are blanked and arranged, so as to achieve smooth hot pressing and make the hot pressing process more efficient.

As shown in Figures 6 to 7, it is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that the connecting member includes a base 75 and a claw member 76. The base 75 is located at the bottom end of the pipe 53. The base body 75 is also provided with a pin hole 751. The claw member 76 is connected to the bottom end of the movable rod 72. The base body 75 can move longitudinally with the pipe member 53 where it is located. The corresponding positioning pin 61 is engaged, and with the axial displacement of the movable rod 72, the claw member 76 is driven to be buckled on the groove 611, and the seat body 75 is engaged with the positioning pin 61. Or, with the axial displacement of the movable rod 72, the claw member 76 is moved out of the groove 611, and the seat body 75 is separated from the positioning pin 61. Thereby, the same effect as the first embodiment can be achieved, so that the middle frame 60 and the pushing mechanism 50 can be relatively separated.

As shown in Figure 8, it is the third embodiment of the present invention. The difference between this embodiment and the first embodiment is only that in this embodiment, the frame 60 is provided with a long shape corresponding to each connecting member. The connecting part of the middle frame 60 is a part where the middle frame 60 has an elongated hole 62. The connecting piece of this embodiment includes a small diameter portion 77 and a fastening portion 78 at the bottom end of the movable rod 72. The length of the small diameter portion 77 corresponds to the thickness of the middle frame 60, and the width of the fastening portion 78 Corresponding to the width of the elongated hole 62, in this embodiment, the control member 71 is a rotating cylinder. Therefore, when the pipe 53 moves longitudinally, the buckling portion 78 can pass through the elongated hole 62 with the pipe 53, and the small diameter portion 77 is correspondingly positioned in the elongated hole 62. At this time, the movable rod is rotated with the control piece 71 72 so that the buckling portion 78 and the elongated hole 62 are misaligned to be joined to the connecting portion of the middle frame 60; or, with the control member 71 rotating the movable rod 72, the buckling portion 78 and the elongated hole 62 are aligned Then, move the buckling portion 78 out of the elongated hole 62 to be separated from the connecting portion of the middle frame 60. Thereby, the same effect as the first embodiment can be achieved, so that the middle frame 60 and the pushing mechanism 50 can be relatively separated.

As shown in Figure 9, it is the fourth embodiment of the present invention. The difference between this embodiment and the third embodiment is only that the connecting portion of the middle frame 60 is changed to a small diameter portion 63 and a buckle.合部64. The connecting piece is provided with a blocking wall 79 at the bottom end of the movable rod 72, and the blocking wall 79 is also provided with a long hole 791. The thickness of the blocking wall 79 corresponds to the length of the small diameter portion 63, and the long hole 791 The width corresponds to the width of the fastening portion 64. The blocking wall 79 can move along the longitudinal direction of the tube 53 to pass through the fastening portion 64 through the elongated hole 791, and the small diameter portion 63 is correspondingly located in the elongated hole 791, which follows the control element 71 Rotate the movable rod 72 to displace the elongated hole 791 and the buckling portion 64 to engage the connecting portion of the middle frame 60. Or, as the control member 71 rotates the movable rod 72, the elongated hole 791 is aligned with the buckling portion 64, and the elongated hole 791 is moved out of the connecting portion of the middle frame 60. Thereby, the same effect as the third embodiment can be achieved, so that the middle frame 60 and the pushing mechanism 50 can be relatively separated.

The above-mentioned embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. All modifications or changes that do not violate the spirit of the present invention belong to the scope of the present invention.

100: Four disassembly hot press forming machine

10: Base

11: Hydraulic drive

12: Both sides board

20: Lower mold seat

30: Upper die seat

31: Lifting mechanism

311: Lifting cylinder

312: Link Arm

313: Actuator

40: Middle board

41: translation mechanism

50: Moving agency

51: Push cylinder

511: drive rod

52: combined plate

53: pipe fittings

60: middle frame

61: positioning pin

611: ditch

62: Long hole

63: Small diameter part

64: Fastening part

70: Locking unit

71: control

72: active pole

73: Seat

731: Pin Hole

732: bead

74: Socket

741: Ring Wall

75: seat body

751: Pin Hole

76: Claw

77: Small diameter part

78: Fastening part

79: Wall

791: Long hole

M1: Lower mold

M2: Upper mold

P1: Clamping position

P2: Tilt position

Fig. 1 is a front view of a four-disassembly hot-press forming machine according to the first embodiment of the present invention. In the figure, the pushing mechanism can drive a plurality of pipes up and down. Fig. 2 is a schematic side view of a four-disassembly hot-press forming machine according to the first embodiment of the present invention. In the figure, the pushing mechanism can drive a plurality of pipes to lift. Fig. 3 is a schematic diagram of the upper mold base of Fig. 2 being displaced to an inclined position by the action of the lifting mechanism. 4 is a schematic diagram showing the relative engagement of the connecting member of the locking unit and the connecting part of the middle frame of the first embodiment of the present invention. Fig. 5 is a schematic diagram showing the relative separation of the connecting member of the locking unit and the connecting part of the middle frame of the first embodiment of the present invention. Fig. 6 is a schematic diagram showing the relative engagement between the connecting member of the locking unit and the connecting portion of the middle frame of the second embodiment of the present invention. Fig. 7 is a schematic diagram showing the relative separation of the connecting part of the locking unit and the connecting part of the middle frame of the second embodiment of the present invention. Fig. 8 is a schematic diagram of the relative engagement and detachment of the connecting member of the locking unit and the connecting portion of the middle frame in the third embodiment of the present invention, and the relative detachment is a reverse operation. 9 is a schematic diagram of the relative engagement and disengagement of the connecting member of the locking unit and the connecting part of the middle frame of the fourth embodiment of the present invention, and the relative disengagement is a reverse operation.

53: pipe fittings

60: middle frame

61: positioning pin

611: ditch

72: active pole

73: Seat

731: Pin Hole

732: bead

74: Socket

741: Ring Wall

Claims (4)

A four-part hot press forming machine, comprising: a base with a hydraulic driving part; a lower mold base, which is arranged on the hydraulic driving part and a lower mold; and an upper mold base, which is arranged on the lower mold base An upper mold can be set above the mold base. The lower mold base moves with the hydraulic drive to lift the lower mold to close or open the mold with the upper mold. The upper mold base is connected to a base provided on the machine base. Lifting mechanism, the upper mold base is displaced between a mold clamping position and an inclined position with the action of the lifting mechanism; a middle plate is horizontally movably arranged between the lower mold base and the upper mold base; A pushing mechanism, which is set on the upper mold base, the pushing mechanism is provided with a locking unit; and a middle frame having a connecting portion that can be engaged by the locking unit, and relative to the upper mold with the action of the pushing mechanism The seat is close or far away, and the locking unit can be controlled to be relatively separated from the connecting part, so that the locking unit can be moved away from the middle frame with the action of the pushing mechanism; wherein, the pushing mechanism includes a plurality of pipes, and the plurality of The pipe fittings are longitudinally movable through the upper mold base. Each pipe fitting is provided with the aforementioned locking unit. The locking unit includes a control piece, a movable rod and a connecting piece, and the control piece is arranged on the pipe fitting where it is located. The movable rod is movably inserted in the pipe fitting where it is located and the top end is connected to the control piece. The connecting piece is located at the bottom end of the pipe fitting. The movable rod can be controlled to move in the pipe where it is located. The movable rod engages or disengages from the connecting part; the connecting part is a positioning pin, and the positioning pin has a groove; the connecting piece includes a base and a socket, and the base is arranged at the bottom end of the pipe, The seat body is provided with a pin hole and a plurality of beads that can move laterally relative to the pin hole, the socket is connected to the bottom end of the movable rod, and the socket has a ring wall connected to the ring of the seat body Side, the seat body can move along the longitudinal direction of the pipe to engage the corresponding positioning pin with the pin hole, and follow the Axial displacement of the movable rod drives the socket to engage the positioning pin with the ring wall pressing the bead in the groove, or to retract from the ring wall of the socket without pressing the bead The positioning pin is separated from the groove in the groove. The four-part hot press forming machine according to claim 1, wherein the pushing mechanism includes a pushing cylinder, the pushing cylinder has a driving rod that can be extended and contracted at one end, and the driving rod is combined with an end extending out of the pushing cylinder In the upper mold base, the pushing cylinder is provided with a coupling plate at one end of the drive rod telescoping, and the plurality of pipes are arranged on the coupling plate and displaced relative to the upper mold base with the expansion and contraction of the drive rod. The four-part hot press forming machine according to claim 1, wherein the upper mold base is pivoted on one side of the base, and the jacking mechanism includes a jacking cylinder and a connecting arm, and the connecting arm is provided with On the side where the upper mold base is different from the machine base, the jacking cylinder has an actuating rod that can extend and contract at one end, and the actuating rod is pivotally connected to the connecting arm with an end extending out of the jacking cylinder, With the expansion and contraction of the actuating rod, the upper mold base is driven to move between the clamping position and the inclined position. The four-part hot press forming machine according to claim 1, wherein the middle plate is provided with a translation mechanism on the base, and the middle plate is provided on the translation mechanism and can be positioned between the lower mold base and the upper mold base. Move horizontally between.

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