Plastic component production equipment for display

Abstract

The invention is suitable for the technical field of display production, and provides a plastic component production device for a display. An injection molding unit; a fixed mold core is mounted on the fixed mold through a first mounting structure; the movable mold is opposite to the fixed mold and is provided with a movable mold core through a second mounting structure; the second mounting structure comprises fixed blocks which are fixed on two sides of the movable mold core; the clamping groove is formed in the fixing block; the penetrating groove is formed in the side, away from the movable mold core, of the fixing block; the plug pin is arranged in the movable mold; the slot is fixed on the fixed mold and is opposite to the bolt; the overturning clamping unit is arranged in the movable mold core and is matched with the clamping groove; the elastic supporting assembly is arranged in the inserting groove, is used for elastically supporting the plug pin and is connected with a one-way limiting mechanism for limiting the plug pin in a one-way mode; the power conversion mechanism is used for converting the displacement of the elastic supporting assembly into power for driving the turnover clamping unit to operate; the mold has the effect of quickly replacing the mold core.

Description

Technical Field

[0001] The present invention belongs to the technical field of display production, and particularly relates to a production device for plastic components of a display. Background Art

[0002] A display is a display tool that displays certain electronic files on a screen through a specific transmission device. The display has many plastic component products. In order to improve production efficiency, injection molding is generally used for mass production.

[0003] In the prior art, the molding device generally does not have the ability to quickly replace the mold core, resulting in affecting the output of the production line.

[0004] Therefore, how to provide a production device for plastic components of a display is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0005] The purpose of the present invention is to provide a production device for plastic components of a display, aiming to solve the problems mentioned in the background art.

[0006] The present invention is realized as follows. A production device for plastic components of a display includes:

[0007] A bottom plate;

[0008] An injection molding unit;

[0009] A fixed mold, in which a fixed mold core is installed through a first installation structure;

[0010] A movable mold, which is opposite to the fixed mold, and a movable mold core is installed in the movable mold through a second installation structure;

[0011] The second installation structure includes:

[0012] Fixed blocks, which are fixed on both sides of the movable mold core;

[0013] Card slots, which are arranged in the fixed blocks;

[0014] Through slots, which are arranged on the side of the fixed block away from the movable mold core;

[0015] Pins, which are arranged in the movable mold;

[0016] Socket slots, which are fixed on the fixed mold and are opposite to the pins;

[0017] A flipping and clamping unit, which is arranged in the movable mold core and cooperates with the card slots;

[0018] Elastic support assembly, which is arranged in the slot and used for elastically supporting the bolt, and the elastic support assembly is connected with a one-way limiting mechanism for one-way limiting thereof;

[0019] Power conversion mechanism, which is used to convert the displacement of the elastic support assembly into the power for driving the flipping and clamping unit to operate.

[0020] Preferably, the flipping and clamping unit includes:

[0021] Driving slide bar, which is slidably matched with the moving die;

[0022] First connecting rod, which is rotatably connected with the driving slide bar;

[0023] Second elastic member, which is respectively connected with the driving slide bar and the first connecting rod;

[0024] Block, which is fixed at one end of the first connecting rod away from the driving slide bar.

[0025] Preferably, the elastic support assembly includes:

[0026] Slider, which is slidably arranged in the slot;

[0027] First elastic member, which is respectively fixedly connected with the inner wall of the slot and the slider;

[0028] First screw rod, which is fixedly connected with the slider.

[0029] Preferably, the power conversion mechanism includes:

[0030] Screw sleeve, which is threadedly connected with the first screw rod and is rotatably arranged in the moving die;

[0031] First winding coil, which is installed on the screw sleeve;

[0032] Rotating shaft, which is rotatably arranged in the moving die;

[0033] Second winding coil, which is installed on the rotating shaft, and the second winding coil winds a connecting rope installed on the first winding coil;

[0034] Gear, which is installed on the rotating shaft, and the gear is meshed with a tooth group installed on the driving slide bar.

[0035] Preferably, the one-way limiting mechanism includes:

[0036] Adjusting plate, which is arranged at one end of the slider, and the adjusting plate is provided with uniformly distributed elastic wedge limiting components;

[0037] A third elastic member, which is used for elastically supporting the side of the adjusting plate away from the slider;

[0038] A driving assembly, which is used for driving the adjusting plate away from the slider;

[0039] The slider is provided with an extrusion inclined surface that cooperates with the elastic wedge limiting assembly.

[0040] Preferably, the elastic wedge limiting assembly includes:

[0041] A chute;

[0042] A limiting slider, which is slidably matched with the chute;

[0043] A wedge block, which penetrates through the chute and is fixedly connected to the limiting slider;

[0044] A fourth elastic member, which is fixedly connected to the inner wall of the chute and the limiting slider.

[0045] Preferably, the elastic wedge limiting assembly includes a mounting plate and a piezoelectric ceramic stack. The piezoelectric ceramic stack is mounted on the mounting plate, and the piezoelectric ceramic stack is fixedly connected to the adjusting plate.

[0046] Preferably, the moving mold is connected with a moving mechanism for driving its movement, and a ejecting mechanism for blanking is arranged on the moving mold.

[0047] Preferably, the moving mechanism includes:

[0048] A connecting block, which is fixedly connected to the moving mold;

[0049] A guiding rod, which is slidably connected to the connecting block;

[0050] A second screw rod, which is threadedly connected to the connecting block, and the second screw rod is connected with a driving member for driving its rotation;

[0051] A fixing plate, which is fixed on the bottom plate, the fixing plate is fixedly connected to the guiding rod, and the fixing plate is rotatably connected to the second screw rod;

[0052] The moving mold is connected to the bottom plate through a sliding assembly.

[0053] Preferably, the ejecting mechanism includes:

[0054] A mounting frame, which is fixed on the back of the moving mold;

[0055] A lifting member, which is mounted on the mounting frame;

[0056] A second connecting rod, which is fixedly connected to the output end of the lifting member;

[0057] A connecting slide bar is fixed to the second connecting rod and is slidably connected to the moving die core.

[0058] A ejector pin is fixed to the connecting slide bar and extends into the moving die core.

[0059] Compared with the prior art, the beneficial effects of the present invention are as follows: by providing a fixed die, a fixed die core, a moving die, a moving die core, a fixing block, a card slot, a through slot, a plug pin, a slot, a flipping and clamping unit, an elastic support assembly, a power conversion mechanism and a one-way limiting mechanism, when in use, the moving die is driven to drive the moving die core to move towards the inside of the fixed die core, so as to realize mold closing. At this time, the plug pin is inserted into the slot, so that the elastic support assembly is compressed. At this time, the power conversion mechanism converts the displacement of the elastic support assembly into the power to drive the flipping and clamping unit to operate. The flipping and clamping unit thus passes through the through slot and is clamped with the card slot in the fixing block, so as to complete the fixing of the moving die core and realize automatic fixing. At this time, the one-way limiting mechanism performs one-way limiting on the displacement of the elastic support assembly, making it unable to reset, so as to complete the operation. When disassembling, only need to release the fixing of the elastic support assembly through the one-way limiting mechanism. Similarly, the installation of the fixed die and the fixed die core refers to that of the moving die and the moving die core, and the structure is simple and ingenious. Description of the Drawings

[0060] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0061] Figure 1 It is a schematic structural diagram of a plastic component production device for a display provided by an embodiment of the present invention.

[0062] Figure 2 It is Figure 1 a schematic structural diagram of part A of

[0063] Figure 3 It is Figure 2 a schematic structural diagram of part B of

[0064] In the attached drawings: 1 - bottom plate; 2 - injection molding unit; 3 - fixed mold; 4 - fixed mold core; 5 - moving mold; 6 - moving mold core; 7 - fixing block; 8 - clamping groove; 9 - through groove; 10 - bolt; 11 - slot; 12 - slider; 13 - first elastic member; 14 - first screw; 15 - screw sleeve; 16 - first winding coil; 17 - rotating shaft; 18 - second winding coil; 19 - gear; 20 - driving slide bar; 21 - first connecting rod; 22 - clamping block; 23 - second elastic member; 24 - adjusting plate; 25 - third elastic member; 26 - wedge block; 27 - limiting slider; 28 - sliding groove; 29 - fourth elastic member; 30 - piezoelectric ceramic stack; 31 - mounting plate; 32 - extrusion inclined surface; 33 - connecting block; 34 - guiding rod; 35 - second screw; 36 - fixing plate; 37 - driving member; 38 - mounting bracket; 39 - lifting member; 40 - second connecting rod; 41 - connecting slide bar; 42 - ejector pin; 43 - sliding assembly; 100 - flipping clamping unit; 200 - elastic support assembly; 300 - power conversion mechanism; 400 - one-way limiting mechanism; 500 - moving mechanism; 600 - ejecting mechanism. Detailed implementation manners

[0065] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0066] The following describes in detail the specific implementation of the present invention with reference to specific embodiments.

[0067] As Figure 1 、 Figure 2 shown, a structural schematic diagram of a plastic component production device for a display provided by an embodiment of the present invention includes:

[0068] Bottom plate 1;

[0069] Injection molding unit 2;

[0070] Fixed mold 3, and a fixed mold core 4 is installed in the fixed mold 3 through a first installation structure;

[0071] Moving mold 5, the moving mold 5 is opposite to the fixed mold 3, and a moving mold core 6 is installed in the moving mold 5 through a second installation structure;

[0072] The second installation structure includes:

[0073] Fixing block 7, the fixing block 7 is fixed on both sides of the moving mold core 6;

[0074] Clamping groove 8, the clamping groove 8 is arranged in the fixing block 7;

[0075] A slot 9 is provided on the side of the fixed block 7 away from the moving die core 6;

[0076] A plug pin 10 is provided in the moving die 5;

[0077] A slot 11 is fixed on the fixed die 3 and is opposite to the plug pin 10;

[0078] A flipping and clamping unit 100 is provided in the moving die core 6 and cooperates with the clamping slot 8;

[0079] An elastic support assembly 200 is provided in the slot 11 and is used for elastically supporting the plug pin 10. The elastic support assembly 200 is connected with a one-way limiting mechanism 400 for one-way limiting thereof;

[0080] A power conversion mechanism 300 is used for converting the displacement of the elastic support assembly 200 into the power for driving the flipping and clamping unit 100 to operate.

[0081] In the embodiment of the present invention, when in use, the moving die 5 is driven to drive the moving die core 6 to move towards the inside of the fixed die core 4, so as to realize mold closing. At this time, the plug pin 10 is inserted into the slot 11, so that the elastic support assembly 200 is compressed. At this time, the power conversion mechanism 300 converts the displacement of the elastic support assembly 200 into the power for driving the flipping and clamping unit 100 to operate. The flipping and clamping unit 100 thus passes through the slot 9 and is clamped with the clamping slot 8 in the fixed block 7, so as to complete the fixing of the moving die core 6 and realize automatic fixing. At this time, the one-way limiting mechanism 400 performs one-way limiting on the displacement of the elastic support assembly 200, so that it cannot be reset, thus completing the operation. When disassembling, only the fixing of the elastic support assembly 200 needs to be released through the one-way limiting mechanism 400. Similarly, the installation of the fixed die 3 and the fixed die core 4 refers to that of the moving die 5 and the moving die core 6, and the structure is simple and ingenious.

[0082] As Figure 2 shown, as a preferred embodiment of the present invention, the flipping and clamping unit 100 includes:

[0083] A driving slide bar 20, which is slidably matched with the moving die 5;

[0084] A first connecting rod 21, which is rotatably connected with the driving slide bar 20;

[0085] A second elastic member 23, which is respectively connected with the driving slide bar 20 and the first connecting rod 21;

[0086] A clamping block 22, which is fixed at one end of the first connecting rod 21 away from the driving slide bar 20.

[0087] In an embodiment of the present invention, when in use, the driving slider 20 is driven to move, and the driving slider 20 slides along the moving die 5 to drive the first connecting rod 21 and the clamping block 22 to move. When the clamping block 22 passes through the through groove 9 and abuts against the inner wall of the clamping groove 8, the clamping block 22 drives the first connecting rod 21 to flip until the clamping block 22 is nested in the inner wall on its other side. At this time, the first connecting rod 21 and the driving slider 20 are distributed at a right angle to complete the fixation.

[0088] In one case of this embodiment, the moving die 5 is provided with a receiving groove for receiving the flipping clamping unit 100, and the first connecting rod 21 and the clamping block 22 are received through the receiving groove to avoid interference with the fixing block 7 when the fixing block 7 is removed.

[0089] As Figure 2 shown, as another preferred embodiment of the present invention, the elastic support assembly 200 includes:

[0090] A slider 12, the slider 12 is slidably arranged in the slot 11;

[0091] A first elastic member 13, the first elastic member 13 is fixedly connected to the inner wall of the slot 11 and the slider 12 respectively;

[0092] A first screw rod 14, the first screw rod 14 is fixedly connected to the slider 12.

[0093] In an embodiment of the present invention, when in use, the slot 11 squeezes the slider 12 to move, the slider 12 squeezes the first elastic member 13 to compress it, the slider 12 drives the first screw rod 14 to move, and the first screw rod 14 thereby drives the power conversion mechanism 300 to operate.

[0094] As Figure 2 shown, as another preferred embodiment of the present invention, the power conversion mechanism 300 includes:

[0095] A screw sleeve 15, the screw sleeve 15 is threadedly connected to the first screw rod 14, and the screw sleeve 15 is rotatably arranged in the moving die 5;

[0096] A first winding coil 16, the first winding coil 16 is installed on the screw sleeve 15;

[0097] A rotating shaft 17, the rotating shaft 17 is rotatably arranged in the moving die 5;

[0098] A second winding coil 18, the second winding coil 18 is installed on the rotating shaft 17, and the second winding coil 18 is wound with a connecting rope installed on the first winding coil 16;

[0099] A gear 19, the gear 19 is installed on the rotating shaft 17, and the gear 19 is meshed with a tooth group installed on the driving slider 20.

[0100] In the embodiment of the present invention, when in use, the first screw 14 drives the screw sleeve 15 to rotate, the screw sleeve 15 drives the first winding coil 16 to rotate, the first winding coil 16 winds the connecting rope, the connecting rope pulls the second winding coil 18 to rotate, the second winding coil 18 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the gear 19 to rotate so as to drive the tooth group to move, the tooth group drives the driving slide bar 20 to move, the driving slide bar 20 slides along the moving die 5 so as to drive the first connecting rod 21 and the clamping block 22 to move. When the clamping block 22 passes through the through groove 9 and abuts against the inner wall of the clamping groove 8, the clamping block 22 drives the first connecting rod 21 to flip until the clamping block 22 is nested in the inner wall on the other side thereof. At this time, the first connecting rod 21 and the driving slide bar 20 are distributed at a right angle, and the fixing is completed.

[0101] As Figure 3 shown, as another preferred embodiment of the present invention, the one-way limiting mechanism 400 includes:

[0102] An adjusting plate 24, the adjusting plate 24 is arranged at one end of the slider 12, and uniformly distributed elastic wedge limiting components are arranged on the adjusting plate 24;

[0103] A third elastic member 25, the third elastic member 25 is used for elastically supporting the side of the adjusting plate 24 away from the slider 12;

[0104] A driving component, the driving component is used for driving the adjusting plate 24 away from the slider 12;

[0105] The slider 12 is provided with an extrusion inclined surface 32 that cooperates with the elastic wedge limiting component.

[0106] In the embodiment of the present invention, when in use, when the slider 12 moves, the slider 12 squeezes the elastic wedge limiting component on the adjusting plate 24 through the extrusion inclined surface 32, so that it contracts in the adjusting plate 24, and then the elastic wedge limiting component limits the end face of the slider 12, making it unable to reset, achieving the effect of one-way limiting.

[0107] In one case of this embodiment, the elastic wedge limiting component includes:

[0108] A chute 28;

[0109] A limiting slider 27, the limiting slider 27 is slidably matched with the chute 28;

[0110] A wedge block 26, the wedge block 26 penetrates through the chute 28 and is fixedly connected with the limiting slider 27;

[0111] A fourth elastic member 29, the fourth elastic member 29 is fixedly connected with the inner wall of the chute 28 and the limiting slider 27.

[0112] Specifically, the elastic force of the fourth elastic member 29 drives the limit slider 27 to slide along the chute 28, thereby driving the wedge block 26 to extend outside the adjusting plate 24, and further limiting the slider 12.

[0113] In one case of this embodiment, the elastic wedge limit assembly includes a mounting plate 31 and a piezoelectric ceramic stack 30. The piezoelectric ceramic stack 30 is mounted on the mounting plate 31, and the piezoelectric ceramic stack 30 is fixedly connected to the adjusting plate 24. By applying an electric field to the piezoelectric ceramic stack 30, the inverse piezoelectric effect occurs, resulting in deformation, and then driving the adjusting plate 24 to move, so that the wedge block 26 moves away from the slider 12, enabling the slider 12 to reset.

[0114] As Figure 1 shown, as another preferred embodiment of the present invention, the moving mold 5 is connected with a moving mechanism 500 for driving its movement. A knockout mechanism 600 for blanking is arranged on the moving mold 5. The moving mechanism 500 includes:

[0115] A connecting block 33, which is fixedly connected to the moving mold 5;

[0116] A guiding rod 34, which is slidably connected to the connecting block 33;

[0117] A second screw 35, which is threadedly connected to the connecting block 33. The second screw 35 is connected with a driving member 37 for driving its rotation;

[0118] A fixing plate 36, which is fixed on the bottom plate 1. The fixing plate 36 is fixedly connected to the guiding rod 34, and the fixing plate 36 is rotatably connected to the second screw 35;

[0119] The moving mold 5 is connected to the bottom plate 1 through a sliding component 43.

[0120] In the embodiment of the present invention, when in use, the driving member 37 drives the second screw 35 to rotate. The second screw 35 drives the connecting block 33 to move stably along the guiding rod 34, and the connecting block 33 drives the moving mold 5 to move stably.

[0121] As Figure 1 shown, as another preferred embodiment of the present invention, the knockout mechanism 600 includes:

[0122] A mounting frame 38, which is fixed on the back of the moving mold 5;

[0123] A lifting member 39, which is mounted on the mounting frame 38;

[0124] A second connecting rod 40, which is fixedly connected to the output end of the lifting member 39;

[0125] Connect the sliding rod 41, and the sliding rod 41 is fixed on the second connecting rod 40 and is slidably connected to the moving die core 6;

[0126] The ejector pin 42 is fixed on the sliding rod 41 and extends into the moving die core 6.

[0127] In the embodiment of the present invention, when in use, by starting the lifting member 39, the lifting member 39 drives the second connecting rod 40, the sliding rod 41, and the ejector pin 42 to move, thereby ejecting the molded plastic product in the moving die core 6.

[0128] In the above embodiment of the present invention, a plastic component production device for a display is provided, achieving the following technical effects: when in use, by driving the moving die 5 to drive the moving die core 6 to move into the fixed die core 4, thereby realizing mold closing. At this time, the latch 10 is inserted into the slot 11, so that the elastic support assembly 200 is compressed. At this time, the power conversion mechanism 300 converts the displacement of the elastic support assembly 200 into the power for driving the flipping and clamping unit 100 to operate. The flipping and clamping unit 100 thus passes through the through slot 9 and is clamped with the slot 8 in the fixed block 7, thereby completing the fixation of the moving die core 6 and realizing automatic fixation. At this time, the one-way limiting mechanism 400 performs one-way limiting on the displacement of the elastic support assembly 200 to prevent it from resetting, thereby completing the operation. When disassembling, only need to release the fixation of the elastic support assembly 200 through the one-way limiting mechanism 400. Similarly, the installation of the fixed die 3 and the fixed die core 4 refers to the moving die 5 and the moving die core 6, and the structure is simple and ingenious.

[0129] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for producing plastic components for displays, characterized in that: include: Base plate; Injection unit; A fixed mold, in which a fixed mold core is installed via a first installation structure; A movable mold, the movable mold is opposite to the fixed mold, and a movable mold core is installed in the movable mold through a second installation structure; The second mounting structure comprises: A fixed block, wherein the fixed block is fixed on both sides of the movable mold core; A card slot, wherein the card slot is arranged in the fixed block; A through groove, wherein the through groove is arranged on a side of the fixed block away from the movable mold core; A latch, wherein the latch is disposed in the movable mold; A slot, the slot being fixed on the fixed mold and opposite to the latch; A flipping and clamping unit, which is arranged in the movable mold core and cooperates with the clamping slot; An elastic support component, the elastic support component is arranged in the slot and is used to elastically support the latch, and the elastic support component is connected to a one-way limiting mechanism for limiting the elastic support component in one direction; A power conversion mechanism is used to convert the displacement of the elastic support component into power for driving the flip clamping unit to operate.

2. The equipment for producing plastic components for displays according to claim 1, characterized in that: The flip card connection unit comprises: A driving slide rod, wherein the driving slide rod is slidably matched with the movable mold; A first connecting rod, the first connecting rod being rotatably connected to the driving sliding rod; a second elastic member, wherein the second elastic member is respectively connected to the driving sliding rod and the first connecting rod; A clamping block is fixed to an end of the first connecting rod away from the driving sliding rod.

3. The equipment for producing plastic components for displays according to claim 2, characterized in that: The elastic support assembly comprises: A slider, wherein the slider is slidably disposed in the slot; A first elastic member, wherein the first elastic member is fixedly connected to the inner wall of the slot and the slider respectively; A first screw rod is fixedly connected to the sliding block.

4. The equipment for producing plastic components for displays according to claim 3, characterized in that: The power conversion mechanism comprises: A screw sleeve, the screw sleeve is threadedly connected to the first screw rod, and the screw sleeve is rotatably disposed in the movable mold; A first winding coil, wherein the first winding coil is mounted on the screw sleeve; A rotating shaft, the rotating shaft is rotatably disposed in the movable mold; a second winding circle, the second winding circle being mounted on the rotating shaft, the second winding circle being wound with a connecting rope mounted on the first winding circle; A gear is mounted on the rotating shaft and is meshedly connected with a gear set mounted on the driving slide rod.

5. The equipment for producing plastic components for displays according to claim 4, characterized in that: The one-way limiting mechanism comprises: An adjustment plate, the adjustment plate being arranged at one end of the slider, and the adjustment plate being provided with uniformly distributed elastic wedge limiting components; a third elastic member, the third elastic member being used for elastically supporting a side of the adjustment plate away from the slider; A driving assembly, the driving assembly is used to drive the adjustment plate away from the slider; The sliding block is provided with an extrusion inclined surface which cooperates with the elastic inclined wedge limiting component.

6. The equipment for producing plastic components for displays according to claim 5, characterized in that: The elastic wedge limiting assembly comprises: chute; A limit slider, wherein the limit slider is slidably matched with the slide groove; An inclined wedge block, which passes through the slide slot and is fixedly connected to the limit slider; A fourth elastic member is fixedly connected to the inner wall of the sliding groove and the limiting sliding block.

7. The equipment for producing plastic components for displays according to claim 5, characterized in that: The elastic wedge limiting assembly comprises a mounting plate and a piezoelectric ceramic stack. The piezoelectric ceramic stack is mounted on the mounting plate, and the piezoelectric ceramic stack is fixedly connected to the adjustment plate.

8. A display plastic component production equipment according to any one of claims 1 to 7, characterized in that: The movable mold is connected with a moving mechanism for driving the movable mold to move, and the movable mold is provided with a material ejecting mechanism for unloading materials.

9. The equipment for producing plastic components for displays according to claim 8, characterized in that: The moving mechanism comprises: A connecting block, wherein the connecting block is fixedly connected to the movable mold; A guide rod, wherein the guide rod is slidably connected to the connection block; A second screw rod, the second screw rod is threadedly connected to the connecting block, and the second screw rod is connected to a driving member for driving the second screw rod to rotate; A fixing plate, the fixing plate is fixed to the bottom plate, the fixing plate is fixedly connected to the guide rod, and the fixing plate is rotatably connected to the second screw rod; The movable mold is connected with the bottom plate through a sliding assembly.

10. The equipment for producing plastic components for displays according to claim 8, characterized in that: The ejection mechanism comprises: A mounting frame, the mounting frame being fixed to the back of the movable mold; A lifting member, wherein the lifting member is installed on the mounting frame; A second connecting rod, the second connecting rod being fixedly connected to an output end of the lifting member; A connecting slide rod, the connecting slide rod is fixed on the second connecting rod and is slidably connected to the movable mold core; The ejector pin is fixed on the connecting slide rod and extends into the movable mold core.

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