Plastic mold capable of rapidly demolding

Abstract

The utility model belongs to the technical field of plastic molds, and particularly relates to a plastic mold capable of quickly demolding, which comprises an operating table, an electric telescopic rod is embedded in the operating table, the output end of the electric telescopic rod is fixedly connected with a moving plate, and a supporting table penetrates through the moving plate and is in sliding connection with the moving plate. The supporting table is fixedly connected with the operation table, an injection molding device is arranged on the supporting table, and a demolding device is arranged on the movable plate. According to the plastic mold capable of achieving rapid demolding, when a rotating plate rotates, an arc-shaped groove applies acting force to a moving block, the moving block drives the rotating block to move towards a supporting block, meanwhile, an L-shaped rod makes contact with a sliding block and applies the acting force, a clamping rod clamps a plastic part, then a motor drives the rotating block to return to the original position, and in the process, the plastic part is clamped by a clamping rod; the long rod is extruded by the protruding block, so that the clamping rod relieves clamping of the plastic part, the discharging purpose is achieved, and manual material taking is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a plastic mold capable of rapid demoulding. Background Art

[0002] Plastic molds are key tools in the plastics processing industry used to give plastic products complete shapes and precise sizes. Various plastic products are manufactured by injecting molten plastic material into the mold, then cooling and hardening it.

[0003] At present, most existing mold devices may require manual removal of plastic parts from the mold after demoulding, which increases the labor intensity. In view of this, we propose a plastic mold that can be quickly demoulded. Utility Model Content

[0004] The main purpose of the utility model is to provide a plastic mold that can be quickly demoulded, which can solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the utility model proposes a plastic mold capable of rapid demolding, comprising an operating table, wherein an electric telescopic rod is embedded in the operating table, wherein the output end of the electric telescopic rod is fixedly connected to a movable plate, wherein the movable plate is penetrated by a support table and slidably connected to the support table, wherein the support table is fixedly connected to the operating table, an injection device is provided on the support table, and a demolding device is provided on the movable plate, wherein the demolding device comprises:

[0006] The housing is fixedly connected to the outer wall of the movable plate, the housing is provided with a slide groove, the inner wall of the housing is fixedly connected with a protrusion, the long rod is squeezed by the protrusion, so that the long rod drives the card block to move upward, thereby releasing the card block from limiting the position of the limit block, the slide groove is provided with three groups, and the inner wall of one group is fixedly connected to an L-shaped rod, the outer wall of the housing is fixedly connected with a rack, and during the movement of the movable block, the rack is engaged with the gear, thereby causing the gear to drive the rotating block to rotate 180 degrees;

[0007] A rotating plate, wherein the rotating shaft of the rotating plate passes through the movable plate and the housing and is rotatably connected to the movable plate and the housing, the rotating plate is provided with an arcuate groove, the arcuate groove is slidably connected to a movable block, the movable block is slidably connected to the slide groove, the arcuate groove is slidably connected to a mold body, and the mold body is slidably connected to the slide groove;

[0008] The rotating block passes through the moving block and is rotatably connected to the moving block. The rotating block passes through the gear and is fixedly connected to the gear. A slot is provided on the rotating block. A clamping rod is slidably connected to the inner wall of the rotating block. The side wall of the rotating block is fixedly connected to the limiting block. The clamping block is squeezed by the limiting block so that the clamping block is engaged with the limiting block, thereby limiting the clamping rod.

[0009] Preferably, a sliding plate is provided on the outer wall of the rotating block, the sliding plate is provided with an oblique groove, the oblique groove is slidably connected to the clamping rod, the outer wall of the sliding plate is fixedly connected to a sliding block, and the sliding block is slidably connected to the rotating block.

[0010] Preferably, the sliding block is penetrated by the guide rod and is slidably connected to the guide rod, and the sliding block is elastically connected to the inner wall of the rotating block via a return spring.

[0011] Preferably, the rotating block is slidably connected to a clamping block, the outer wall of the clamping block is fixedly connected to a long rod, the long rod passes through the rotating block and is slidably connected to the rotating block, the long rod is elastically connected to the inner wall of the rotating block through a supporting spring, and the long rod passes through the moving block and is sleeved with the moving block.

[0012] Preferably, a support block is fixedly connected to the outer wall of the shell, the support block is penetrated by the push rod and is sleeved with the push rod, and the push rod is fixedly connected to the output end of the electric push rod.

[0013] Preferably, the electric push rod is fixedly connected to the movable plate through a U-shaped plate, the outer wall of the U-shaped plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a transmission wheel, the transmission wheel is connected to a transmission belt, the transmission belt is connected to a driven wheel, and the driven wheel is penetrated by the rotating shaft of the rotating plate and fixedly connected to the rotating shaft.

[0014] The utility model provides a plastic mold that can be quickly demoulded and has the following beneficial effects:

[0015] (1) The plastic mold that can be quickly demolded, when the rotating plate rotates, the arc groove exerts a force on the moving block, and the moving block drives the rotating block to move toward the supporting block. At the same time, the L-shaped rod contacts the sliding block and exerts a force, so that the clamping rod clamps the plastic part. Then the motor drives the rotating block back to its original position. During this process, the long rod will be squeezed by the protrusion, releasing the clamping rod from the plastic part, thereby achieving the purpose of unloading, without the need for manual material removal.

[0016] (2) When the motor of the plastic mold capable of rapid demolding is started, the driving wheel, the driving belt and the driven wheel drive the rotating plate to rotate. During this process, the arc groove exerts a force on the mold body, causing the mold body to move toward the edge of the shell, thereby separating from the plastic part, thereby achieving the purpose of demolding and reducing the demolding time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0020] Figure 3 This is a schematic diagram of a partial three-dimensional cross-sectional structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of the rotating block of the utility model;

[0023] Figure 6 This is a schematic diagram of the three-dimensional cross-sectional structure of the rotating block of the utility model;

[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of the rotating plate of the utility model.

[0025] Description of Figure Numbers:

[0026] 1. Operating table; 2. Electric telescopic rod; 3. Moving plate; 31. Motor; 32. Drive wheel; 33. Drive belt; 34. Driven wheel; 35. Electric push rod; 4. Support table; 5. Injection molding device; 61. Housing; 611. Slide groove; 612. Bump; 613. L-shaped rod; 62. Rotating plate; 621. Arc groove; 622. Moving block; 623. Rack; 63. Support block; 631. Ejector rod; 64. Mold body; 65. Rotating block; 651. Notch; 652. Clamping rod; 653. Sliding plate; 654. Bevel groove; 655. Sliding block; 656. Guide rod; 657. Return spring; 658. Block; 659. Long rod; 66. Gear.

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figure 1 - Figure 7 The utility model proposes a plastic mold that can be quickly demolded, including an operating table 1, an electric telescopic rod 2 embedded in the operating table 1, a movable plate 3 fixedly connected to the output end of the electric telescopic rod 2, the movable plate 3 is penetrated by a support table 4 and is slidably connected to the support table 4, the support table 4 is fixedly connected to the operating table 1, an injection device 5 is provided on the support table 4, and a demolding device is provided on the movable plate 3.

[0030] In the embodiment of the present invention, in order to achieve rapid demoulding, specifically, the demoulding device includes a shell 61, the shell 61 is fixedly connected to the outer wall of the movable plate 3, the shell 61 is provided with a slide groove 611, the inner wall of the shell 61 is fixedly connected with a protrusion 612, the slide groove 611 is provided with three groups and one group of the inner wall is fixedly connected with an L-shaped rod 613, the outer wall of the shell 61 is fixedly connected with a rack 623, the rotating shaft of the rotating plate 62 passes through the movable plate 3 and the shell 61 and is rotatably connected with the movable plate 3 and the shell 61, and the rotating plate 62 has an arcuate slot 621, which is slidably connected to a moving block 622, which is slidably connected to the slide groove 611, and the arcuate slot 621 is slidably connected to the mold body 64, which is slidably connected to the slide groove 611. The rotating block 65 passes through the moving block 622 and is rotatably connected to the moving block 622, and the rotating block 65 passes through the gear 66 and is fixedly connected to the gear 66. The rotating block 65 has a notch 651, and a clamping rod 652 is slidably connected to the inner wall of the rotating block 65;

[0031] Furthermore, a sliding plate 653 is provided on the outer wall of the rotating block 65, and an oblique groove 654 is opened on the sliding plate 653, and the oblique groove 654 is slidably connected to the clamping rod 652. A sliding block 655 is fixedly connected to the outer wall of the sliding plate 653, and the sliding block 655 is slidably connected to the rotating block 65. The sliding block 655 is penetrated by the guide rod 656 and is slidably connected to the guide rod 656. The sliding block 655 is elastically connected to the inner wall of the rotating block 65 through a return spring 657. The rotating block 65 is slidably connected to a clamping block 658. A long rod 659 is fixedly connected to the outer wall of the clamping block 658. The long rod 659 penetrates the rotating block 65 and is slidably connected to the rotating block 65. The long rod 659 is elastically connected to the inner wall of the rotating block 65 through a supporting spring. The long rod 659 penetrates the moving block 622 and is sleeved with the moving block 622.

[0032] Furthermore, a support block 63 is fixedly connected to the outer wall of the shell 61, and the support block 63 is penetrated by the push rod 631 and is sleeved with the push rod 631. The push rod 631 is fixedly connected to the output end of the electric push rod 35, and the electric push rod 35 is fixedly connected to the movable plate 3 through the U-shaped plate. The outer wall of the U-shaped plate is fixedly connected to the motor 31, and the output end of the motor 31 is fixedly connected to the transmission wheel 32. The transmission wheel 32 is transmission-connected to the transmission belt 33, and the transmission belt 33 is transmission-connected to the driven wheel 34. The driven wheel 34 is penetrated by the rotating shaft of the rotating plate 62 and fixedly connected to the rotating shaft.

[0033] In the present invention, when in use, the electric telescopic rod 2 is first started, so that the movable plate 3 drives the mold body 64 to move upward, and then the injection molding device 5 is started to inject the plastic solution into the mold body 64. After the plastic part cools down, the electric telescopic rod 2 is started again to return to its original position. During this process, the electric push rod 35 is started, so that the push rod 631 slightly lifts the plastic part, and then the electric push rod 35 is started to reset. When the movable plate 3 returns to its original position, the motor 31 is started. When the motor 31 is started, the transmission wheel 32, the transmission belt 33 and the driven wheel 34 are driven, so that the rotating plate 62 rotates. When the rotating plate 62 rotates, the arc groove 621 exerts a force on the mold body 64, causing the mold body 64 to move toward the edge of the shell 61, thereby causing the mold body 64 to separate from the plastic part. At the same time, during this process, the arc groove 621 exerts a force on the moving block 622, causing the moving block 622 to drive the rotating block 65 to move toward the support block 63. During the movement, the gear 66 engages with the rack 623, causing the gear 66 to drive the rotating block 65 to rotate 180 degrees. When the rotating block 65 moves a certain distance, the L-shaped rod 613 When the sliding plate 653 moves, the inclined groove 654 will apply a force to the clamping rod 652, so that the clamping rod 652 can clamp the plastic part. In this process, the limit block provided on the outer wall of the sliding plate 653 will squeeze the card block 658, so that the card block 658 moves upward, and the supporting spring will deform elastically. When the clamping rod 652 is fully clamped, the card block 658 will press the limit block The clamping rod 652 is clamped and the clamping rod 652 is limited. The motor 31 is then started again to drive the rotating block 65 back to its original position. When the rotating block 65 moves to the edge of the shell 61, the long rod 659 is squeezed by the protrusion 612 to make the clamping block 658 move upward, thereby releasing the clamping of the limit block. When the limit block is released, the sliding plate 653 drives the clamping rod 652 back to its original position under the elastic force of the reset spring 657, thereby achieving the purpose of unloading. At the same time, during this process, the mold body 64 returns to its original position under the action of the rotating plate 62, so that the next injection molding operation can be performed.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A plastic mold capable of rapid demoulding, comprising an operating table (1), characterized in that: The operating table (1) is embedded with an electric telescopic rod (2), the output end of the electric telescopic rod (2) is fixedly connected to a movable plate (3), the movable plate (3) is penetrated by a support table (4) and is slidably connected to the support table (4), the support table (4) is fixedly connected to the operating table (1), an injection molding device (5) is provided on the support table (4), and a demoulding device is provided on the movable plate (3), the demoulding device comprising: A housing (61), the housing (61) is fixedly connected to the outer wall of the movable plate (3), the housing (61) is provided with a slide groove (611), the inner wall of the housing (61) is fixedly connected to a protrusion (612), the slide grooves (611) are provided in three groups, and the inner wall of one group is fixedly connected to an L-shaped rod (613), and the outer wall of the housing (61) is fixedly connected to a rack (623); A rotating plate (62), wherein the rotating shaft of the rotating plate (62) passes through the movable plate (3) and the housing (61) and is rotatably connected to the movable plate (3) and the housing (61), the rotating plate (62) is provided with an arcuate groove (621), the arcuate groove (621) is slidably connected to a movable block (622), the movable block (622) is slidably connected to the slide groove (611), the arcuate groove (621) is slidably connected to a mold body (64), and the mold body (64) is slidably connected to the slide groove (611); A rotating block (65) is provided, wherein the rotating block (65) passes through the moving block (622) and is rotatably connected to the moving block (622), the rotating block (65) passes through the gear (66) and is fixedly connected to the gear (66), the rotating block (65) is provided with a notch (651), and the inner wall of the rotating block (65) is slidably connected to a clamping rod (652).

2. A plastic mold capable of rapid demoulding according to claim 1, characterized in that: The outer wall of the rotating block (65) is provided with a sliding plate (653), the sliding plate (653) is provided with an inclined groove (654), the inclined groove (654) is slidably connected to the clamping rod (652), the outer wall of the sliding plate (653) is fixedly connected with a sliding block (655), and the sliding block (655) is slidably connected to the rotating block (65).

3. The plastic mold capable of rapid demoulding according to claim 2, characterized in that: The sliding block (655) is penetrated by the guide rod (656) and is slidably connected to the guide rod (656). The sliding block (655) is elastically connected to the inner wall of the rotating block (65) via a return spring (657).

4. The plastic mold capable of rapid demoulding according to claim 2, characterized in that: The rotating block (65) is slidably connected to a clamping block (658), and the outer wall of the clamping block (658) is fixedly connected to a long rod (659). The long rod (659) passes through the rotating block (65) and is slidably connected to the rotating block (65). The long rod (659) is elastically connected to the inner wall of the rotating block (65) through a supporting spring. The long rod (659) passes through the moving block (622) and is sleeved with the moving block (622).

5. The plastic mold capable of rapid demoulding according to claim 1, characterized in that: A support block (63) is fixedly connected to the outer wall of the housing (61); the support block (63) is penetrated by a push rod (631) and is sleeved with the push rod (631); and the push rod (631) is fixedly connected to the output end of the electric push rod (35).

6. The plastic mold capable of rapid demoulding according to claim 5, characterized in that: The electric push rod (35) is fixedly connected to the movable plate (3) via a U-shaped plate, the outer wall of the U-shaped plate is fixedly connected to a motor (31), the output end of the motor (31) is fixedly connected to a transmission wheel (32), the transmission wheel (32) is transmission-connected to a transmission belt (33), the transmission belt (33) is transmission-connected to a driven wheel (34), and the driven wheel (34) is penetrated by the rotating shaft of the rotating plate (62) and is fixedly connected to the rotating shaft.

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