Plastic mold convenient to take out

Abstract

The utility model relates to the technical field of mould processing, and discloses a plastic mould convenient to take out, which comprises a workbench, a connecting plate, a lower mould and a first connecting piece, the lower mould comprises a first mounting plate and a second mounting plate, one side of the first mounting plate is hinged with one side of the upper part of the front end of the lower mould, and the second mounting plate is hinged with the second mounting plate; and the rear end of the second mounting plate is hinged to the other side of the rear end of the lower mold, and the lower surfaces of the first mounting plate and the second mounting plate are tightly attached to the upper surface of the lower mold. According to the mold, through the hinge structure of the first mounting plate and the second mounting plate and the matching of the insertion rod, the reset spring and the clamping block, the mold can be quickly opened and closed, the connecting and separating process is simplified, and meanwhile, firm locking and operation safety of the mold in the injection molding process are guaranteed; and through cooperation of the servo motor, the threaded rod, the sliding block and the supporting plate, vertical movement of the lower mold is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould processing technical field especially relates to a plastic mould convenient to take out. BACKGROUND

[0002] The plastic mould is a tool for producing plastic products, it usually comprises two or more parts that cooperate with each other, including the movable mould and the fixed mould, by injecting molten plastic raw materials in the mould, and opening the mould after cooling and solidification, so as to obtain the required plastic product, the design precision of the plastic mould is high, the structure is complex, and the plastic parts with various shapes and accurate size can be produced, and the plastic mould is widely used in industry, people's livelihood, medical treatment and many other fields.

[0003] In the injection molding process, the lower mould is easy to accumulate residues or dirt, the lower mould of the traditional plastic mould usually adopts bolt fixing or clamp fixing, the fixing mode requires the operator to use wrench, screwdriver and other tools to tighten or loosen the bolt one by one, after the injection molding cycle is completed, the design not only makes the operator inconvenient to take out the finished product, but also makes the cleaning of the lower mould inefficient, and increases the difficulty of maintenance and cleaning.

[0004] Therefore, the technical personnel in the prior art provides a plastic mould convenient to take out to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a plastic mould convenient to take out to solve the shortcomings in the prior art, through the hinged structure of first mounting plate and second mounting plate and the cooperation of inserting rod, reset spring and clamping block, the quick opening and closing of the mould are realized, the connection and separation process are simplified, the firm locking and operation safety of the mould in the injection molding process are guaranteed, in addition, through the cooperation of servo motor, threaded rod, sliding block and support plate, the up-down movement of the lower mould is realized, so that after the injection molding cycle is completed, the lower mould can be pushed out of the mould cavity quickly, the operator takes out the finished product and carries out mould cleaning, thereby improving the production efficiency, guaranteeing the product quality, and prolonging the service life of the mould.

[0006] In order to achieve the above object, the utility model provides the following technical scheme.

[0007] The utility model provides a plastic mould convenient to take out, including workbench, connecting plate, lower mould and first connecting piece, the lower mould includes first mounting plate and second mounting plate, one side of first mounting plate is hinged with one side of lower mould front end upper portion, the rear end of second mounting plate is hinged with the other side of lower mould rear end, and the lower surface of first mounting plate and second mounting plate is closely combined with the upper surface of lower mould, the outer wall of the other side rear end of first mounting plate and the outer wall of second mounting plate front end are closely combined, the outer wall of the other side rear end of first mounting plate and the outer wall of second mounting plate front end are all set up connecting groove, the outer wall of the other side front end of second mounting plate is all set up a plurality of installation groove and sliding slot, the installation groove is all located in the middle part of adjacent two sliding slots, and the sliding slot is all through the connecting groove on the second mounting plate to the inside of connecting groove on the second mounting plate, the first connecting piece is located in the other side of first mounting plate front end, the outer wall of the rear end of first connecting piece is all fixedly connected with a plurality of inserting rod, the outer wall of inserting rod is all closely combined with the outer wall of connecting groove, the middle part of the rear end of inserting rod is all set up clamping groove, the other side of second mounting plate front end is provided with second connecting piece, the middle part of the outer wall of one side of second connecting piece is all fixedly connected with a plurality of reset spring and clamping block, the reset spring is all located in the middle part of adjacent two clamping blocks, and the one side of reset spring is all fixedly connected with the one side of installation groove inner wall, and the outer wall of clamping block is all slidingly combined with the inner wall of sliding slot, and the outer wall of one side of clamping block is all clamped with the inner wall of clamping groove.

[0008] Through the above technical scheme, the hinged design of the first mounting plate and the second mounting plate with the lower mould allows the first mounting plate and the second mounting plate to be quickly opened and closed around the hinge point, the design of the inserting rod allows the first mounting plate and the second mounting plate to be connected or separated with the first connecting piece and the second connecting piece through simple insertion and pulling-out actions, the reset spring functions to automatically push the clamping block back to the original position after the mould is opened, to prepare for the next closure and locking of the mould, reducing the need for manual adjustment, in addition, the clamping and matching of the clamping block and the clamping groove ensure the firm locking of the mould in the closed state, preventing the mould from being opened due to accidents during injection molding, ensuring operation safety, after the completion of the injection molding cycle, the operator can quickly release the clamping block and pull out the inserting rod, and easily open the first mounting plate and the second mounting plate by using the elastic force of the reset spring, so as to take out the injection molded product and clean, maintain or replace the lower mould.

[0009] Further, the middle part of the upper surface of the workbench is fixedly connected with a mold cavity, the outer walls of the lower ends of the lower molds are in sliding fit with the inner walls of the mold cavity, the lower surfaces of the lower molds are in close fit with the middle part of the upper surface of the workbench, the middle part of one side of the lower surface of the workbench is fixedly connected with a protective shell, the inside of the protective shell is provided with a servo motor, the middle part of one side of the inside of the workbench is provided with a threaded rod, the output end of the servo motor penetrates the workbench to the inside of the workbench and is fixedly connected with the middle part of the lower end of the threaded rod, the middle part of the other side of the inner bottom surface of the workbench is fixedly connected with a connecting rod, the outer walls of the connecting rod and the threaded rod are both sleeved with sliding blocks, the inner walls of the sliding blocks are in sliding fit with the outer walls of the connecting rod, the inner walls of the sliding blocks are in threaded connection with the outer walls of the threaded rod, the middle parts of the connecting rod and the threaded rod are provided with support plates, the outer walls of the adjacent two sides of the sliding blocks are both fixedly connected with the two sides of the outer wall of the support plate, the middle part of the support plate is fixedly connected with a support rod, the upper end of the support rod penetrates the workbench and is fixedly connected with the middle part of the lower surface of the lower mold;

[0010] Through the above technical scheme, the up-and-down movement of the lower mold can be realized through the cooperation of the servo motor, the threaded rod, the sliding block and the support plate, when the injection molding cycle is completed, the lower mold can be pushed out of the mold cavity by the support rod through the starting of the servo motor, and then the finished product injected in the mold is exposed, and the operator can conveniently take out the injection product, and in addition, the mold may accumulate residues or dirt during the injection molding process, and after the mold is pushed out, it can be thoroughly cleaned to ensure the quality of the product and the service life of the mold.

[0011] Further, the middle part of the upper end of the workbench is provided with a support frame, the two sides of the lower end of the support frame are both fixedly connected with the two sides of the upper surface of the workbench, the middle part of the upper surface of the support frame is fixedly connected with a hydraulic rod, the output end of the hydraulic rod penetrates the support frame to the lower end of the support frame and is fixedly connected with the middle part of the upper surface of the connecting plate, the middle part of the lower surface of the connecting plate is fixedly connected with an upper mold;

[0012] Through the above technical scheme, the support frame provides a firm support structure for the entire upper mold, ensuring the stability of the upper mold during the injection molding process.

[0013] Further, the four corners of the lower surface of the connecting plate are all fixedly connected with positioning rods, the four corners of the upper surface of the mold cavity are all provided with positioning grooves, the outer walls of the positioning rods are in sliding fit with the inner walls of the positioning grooves;

[0014] Through the above technical scheme, this design ensures that the upper mold and the lower mold can be accurately aligned when closed, thereby ensuring the dimensional accuracy and shape consistency of the plastic product.

[0015] Further, the lower end of the servo motor is fixedly connected with the inner bottom surface of the protective shell.

[0016] By the above technical solution, the servo motor inside the protection shell is protected from external factors.

[0017] Further, the middle part of the upper surface of the connecting plate is fixedly connected with auxiliary rods on both sides, and the upper ends of the auxiliary rods penetrate the support frame to the upper end of the support frame.

[0018] By the above technical solution, the auxiliary rods make the movement of the connecting plate and the upper mold more stable.

[0019] Further, the lower surface of the workbench is fixedly connected with support legs at four corners.

[0020] By the above technical solution, the support legs are used to support the entire device.

[0021] Further, the front end outer wall of the workbench is fixedly connected with a PLC control panel on one side.

[0022] By the above technical solution, the PLC control panel is used to control the operation of the entire device.

[0023] The utility model has the advantages of the following beneficial effects:

[0024] 1. The plastic mold convenient to take out, the hinge design of the first mounting plate and the second mounting plate and the lower mold allows the first mounting plate and the second mounting plate to be quickly opened and closed around the hinge point, the design of the plug rod enables the first mounting plate and the second mounting plate to be connected or separated with the first connecting piece and the second connecting piece through simple insertion and pulling-out actions, the reset spring functions to automatically push the clamping block back to the original position after the mold is opened, and prepares for the next mold closing and locking, reduces the need for manual adjustment, in addition, the clamping and matching of the clamping block and the clamping groove ensure the firm locking of the mold in the closed state, prevent the mold from being opened due to accidents during injection molding, and ensure operation safety, after completing the injection molding cycle, the operator can quickly release the clamping block and pull out the plug rod, use the elastic force of the reset spring to easily open the first mounting plate and the second mounting plate, and then take out the injection molded product and clean, maintain or replace the lower mold.

[0025] 2. The plastic mold convenient to take out, through the cooperation of the servo motor threaded rod, the sliding block and the support plate, the up-down movement of the lower mold can be realized, when the injection molding cycle is completed, the servo motor is started to make the lower mold be pushed out of the mold cavity by the support rod, and then the finished product in the mold is exposed outside, and the operator can conveniently take out the injection molded product, in addition, the mold may accumulate residues or dirt during injection molding, and after the mold is pushed out, it can be thoroughly cleaned to ensure the quality of the product and the service life of the mold. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A perspective view of the plastic mold convenient to take out is provided for the utility model;

[0027] Figure 2 A sectional front view of the plastic mold convenient to take out is provided for the utility model;

[0028] Figure 3 A partial structure perspective view of the plastic mold convenient to take out is provided for the utility model;

[0029] Figure 4 A partial structure perspective view of the plastic mold convenient to take out is provided for the utility model;

[0030] Figure 5 A partial structure explosion view of the plastic mold convenient to take out is provided for the utility model;

[0031] Figure 6 A partial structure schematic view of the plastic mold convenient to take out is provided for the utility model;

[0032] Figure 7 A partial structure perspective view of the plastic mold convenient to take out is provided for the utility model.

[0033] Legend:

[0034] 1, workbench; 101, support leg; 102, PLC control panel; 103, protective shell; 2, mold cavity; 201, positioning groove; 3, support frame; 301, hydraulic rod; 4, connecting plate; 401, positioning rod; 402, auxiliary rod; 403, upper mold; 5, lower mold; 501, first mounting plate; 502, second mounting plate; 503, connecting groove; 504, mounting groove; 505, sliding groove; 6, servo motor; 601, threaded rod; 602, connecting rod; 603, sliding block; 604, support plate; 605, support rod; 7, first connecting piece; 701, plug rod; 702, clamping groove; 8, second connecting piece; 801, reset spring; 802, clamping block. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] Reference Figure 4 、 Figure 5 and Figure 6 , the utility model provides a kind of concrete implementation of convenient removal plastic mould, including workbench 1, connecting plate 4, lower mould 5 and first connecting piece 7, lower mould 5 includes first mounting plate 501 and second mounting plate 502, the side of first mounting plate 501 is hinged connection with the side of lower mould 5 front end upper part, the rear end of second mounting plate 502 is hinged connection with the other side of lower mould 5 rear end, the lower surface of first mounting plate 501 and second mounting plate 502 is closely combined with the upper surface of lower mould 5, the outer wall of the other side rear end of first mounting plate 501 is closely combined with the outer wall of second mounting plate 502 front end, the outer wall of the other side rear end of first mounting plate 501 and the outer wall of second mounting plate 502 front end are all set with connecting groove 503, the outer wall of the other side front end of second mounting plate 502 is all set with multiple installation slot 504 and sliding slot 505, installation slot 504 is all located in the middle of adjacent two sliding slots 505, the side of sliding slot 505 is all through connecting groove 503 on second mounting plate 502 to the inside of connecting groove 503 on second mounting plate 502, first connecting piece 7 is located in the other side of first mounting plate 501 front end, the outer wall of the rear end of first connecting piece 7 is all fixedly connected with multiple insertion rod 701, the outer wall of insertion rod 701 is all closely combined with the outer wall of connecting groove 503, the middle part of the rear end of insertion rod 701 is all set with clamping groove 702, the other side of second mounting plate 502 front end is provided with second connecting piece 8, the middle part of the outer wall of one side of second connecting piece 8 is all fixedly connected with multiple reset spring 801 and clamping block 802, reset spring 801 is all located in the middle of adjacent two clamping blocks 802, the side of reset spring 801 is all fixedly connected with the side of installation slot 504 inner wall, the outer wall of clamping block 802 is all slidingly combined with the inner wall of sliding slot 505, the outer wall of the side of clamping block 802 is all clamped and matched with the inner wall of clamping groove 702, by the hinged design of first mounting plate 501 and second mounting plate 502 with lower mould 5, first mounting plate 501 and second mounting plate 502 can be opened and closed quickly around the hinge point, the design of insertion rod 701 makes first mounting plate 501 and second mounting plate 502 can be connected or separated with first connecting piece 7 and second connecting piece 8 through simple insertion and pulling action, the effect of reset spring 801 is that clamping block 802 is pushed back to original position automatically after mould is opened, ready for the next mould closing and locking, reduce the need of manual adjustment, in addition, the clamping and matching of clamping block 802 and clamping groove 702 ensure the firm locking of mould in closed state, prevent mould from opening due to accident in the process of injection molding, guarantee operation safety, after completing injection molding cycle, operator can quickly release clamping block 802 and pull out insertion rod 701, use the elastic force of reset spring 801, easily open first mounting plate 501 and second mounting plate 502, thereby taking out injection molding product, and cleaning, maintaining or replacing lower mould 5.

[0037] With reference to Figure 1 , Figure 2 , and Figure 3 , the middle of the upper surface of the workbench 1 is fixedly connected with a mold cavity 2, the outer wall of the lower end of the lower mold 5 is in sliding fit with the inner wall of the mold cavity 2, the lower surface of the lower mold 5 is in close fit with the middle of the upper surface of the workbench 1, the middle of the lower surface of the workbench 1 is fixedly connected with a protective shell 103, the inside of the protective shell 103 is provided with a servo motor 6, the middle of the inside of the workbench 1 is provided with a threaded rod 601, the output end of the servo motor 6 penetrates the workbench 1 to the inside of the workbench 1 and is fixedly connected with the middle of the lower end of the threaded rod 601, the middle of the other side of the inner bottom surface of the workbench 1 is fixedly connected with a connecting rod 602, the outer wall of the connecting rod 602 and the threaded rod 601 is sleeved with a sliding block 603, the inner wall of the sliding block 603 is in sliding fit with the outer wall of the connecting rod 602, the inner wall of the sliding block 603 is in threaded connection with the outer wall of the threaded rod 601, the middle of the connecting rod 602 and the threaded rod 601 is provided with a support plate 604, the outer wall of the adjacent two sides of the sliding block 603 is fixedly connected with the two sides of the outer wall of the support plate 604, the middle of the support plate 604 is fixedly connected with a support rod 605, the upper end of the support rod 605 penetrates the workbench 1 and is fixedly connected with the middle of the lower surface of the lower mold 5, through the cooperation of the servo motor 6, the threaded rod 601, the sliding block 603 and the support plate 604, the up and down movement of the lower mold 5 can be realized, when the injection molding cycle is completed, the servo motor 6 is started to make the lower mold 5 be pushed out of the mold cavity 2 by the support rod 605, and then the finished product injected in the mold is exposed outside, and the operator can conveniently take out the injection product, in addition, the mold may accumulate residues or dirt during the injection molding process, after the mold is pushed out, it can be thoroughly cleaned to ensure the quality of the product and the service life of the mold.

[0038] With reference to Figure 1 , Figure 2 and Figure 7The middle part of the upper end of the workbench 1 is provided with a support frame 3, the lower end of the support frame 3 is fixedly connected with the two sides of the upper surface of the workbench 1, the upper surface of the support frame 3 is fixedly connected with a hydraulic rod 301 in the middle part, the output end of the hydraulic rod 301 penetrates through the support frame 3 to the lower end of the support frame 3 and is fixedly connected with the middle part of the upper surface of the connecting plate 4, the lower surface of the connecting plate 4 is fixedly connected with an upper mold 403 in the middle part, the support frame 3 provides a solid support structure for the whole upper mold 403, ensures the stability of the upper mold 403 in the injection molding process, the lower surface of the connecting plate 4 is fixedly connected with a positioning rod 401 at the four corners, the upper surface of the mold cavity 2 is provided with a positioning groove 201 at the four corners, the outer wall of the positioning rod 401 is in sliding fit with the inner wall of the positioning groove 201, which ensures that the upper mold 403 and the lower mold 5 can be accurately positioned when closed, thereby ensuring the dimensional accuracy and shape consistency of the plastic product, the lower end of the servo motor 6 is fixedly connected with the inner bottom surface of the protective shell 103, which protects the internal servo motor 6 from external factors, the upper surface of the connecting plate 4 is fixedly connected with an auxiliary rod 402 in the middle of the two sides, the upper end of the auxiliary rod 402 penetrates through the support frame 3 to the upper end of the support frame 3, which makes the movement of the connecting plate 4 and the upper mold 403 more stable, the lower surface of the workbench 1 is fixedly connected with a support leg 101 at the four corners, which is used to support the whole equipment, one side of the outer wall of the front end of the workbench 1 is fixedly connected with a PLC control panel 102, which is used to control the operation of the whole equipment.

[0039] Working principle: first, through the support frame 3 and hydraulic rod 301 with the upper die 403 and connecting plate 4 fixed and supported in the appropriate position, at the same time, the lower die 5 through its lower surface and the workbench 1 upper surface close fitting and with the inner wall of the mold cavity 2 sliding fit, to ensure the stability and accurate alignment of the mold, when the injection cycle is completed, start servo motor 6 so that the lower die 5 can be supported by the rod 605 out of the mold cavity 2, and then the finished product in the mold is exposed, the operator can conveniently take out the injection product, in addition, through the first mounting plate 501 and the second mounting plate 502 and the lower die 5 hinge design allows the first mounting plate 501 and the second mounting plate 502 can be quickly opened and closed around the hinge point, the design of the plug rod 701 makes the first mounting plate 501 and the second mounting plate 502 can be connected or separated by simply inserting and pulling out the action of the first connecting piece 7 and the second connecting piece 8, the reset spring 801 is used to automatically push the clamping block 802 back to the original position after the mold is opened, ready for the next mold closure and locking, reducing the need for manual adjustment, in addition, the clamping block 802 and the clamping groove 702 ensure the firm locking of the mold in the closed state, prevent the mold from opening due to accident during injection, ensure the operation safety, after the completion of the injection cycle, the operator can quickly release the clamping block 802 and pull out the plug rod 701, use the elastic force of the reset spring 801, easily open the first mounting plate 501 and the second mounting plate 502, so as to take out the injection product, and clean, maintain or replace the lower die 5.

[0040] Finally, it should be noted that: the above only for the preferred specific embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A plastic mold facilitating extraction, comprising a worktable (1), a connecting plate (4), a lower mold (5) and a first connecting member (7), characterized in that: The lower mold (5) comprises a first mounting plate (501) and a second mounting plate (502), one side of the first mounting plate (501) is hingedly connected with one side of the upper part of the front end of the lower mold (5), the rear end of the second mounting plate (502) is hingedly connected with the other side of the rear end of the lower mold (5), the lower surfaces of the first mounting plate (501) and the second mounting plate (502) are closely combined with the upper surface of the lower mold (5), the outer wall of the other side of the rear end of the first mounting plate (501) is closely combined with the outer wall of the front end of the second mounting plate (502), the outer wall of the other side of the rear end of the first mounting plate (501) and the outer wall of the front end of the second mounting plate (502) are both provided with a connecting groove (503), the outer wall of the other side of the front end of the second mounting plate (502) is provided with a plurality of mounting grooves (504) and sliding grooves (505), the mounting grooves (504) are located in the middle of two adjacent sliding grooves (505), one side of the sliding groove (505) penetrates through the connecting groove (503) on the second mounting plate (502) to the inside of the connecting groove (503) on the second mounting plate (502), the first connecting piece (7) is located on the other side of the front end of the first mounting plate (501), the outer wall of the rear end of the first connecting piece (7) is fixedly connected with a plurality of insertion rods (701), the outer wall of the insertion rod (701) is closely combined with the outer wall of the connecting groove (503), the middle of the rear end of the insertion rod (701) is provided with a clamping groove (702), the other side of the front end of the second mounting plate (502) is provided with a second connecting piece (8), the middle of the outer wall of one side of the second connecting piece (8) is fixedly connected with a plurality of reset springs (801) and clamping blocks (802), the reset spring (801) is located in the middle of two adjacent clamping blocks (802), one side of the reset spring (801) is fixedly connected with one side of the inner wall of the mounting groove (504), the outer wall of the clamping block (802) is slidingly combined with the inner wall of the sliding groove (505), and the outer wall of one side of the clamping block (802) is clamped and matched with the inner wall of the clamping groove (702).

2. The plastic mold according to claim 1, wherein: The middle part of the upper surface of the workbench (1) is fixedly connected with a mold cavity (2), the outer walls of the lower ends of the lower molds (5) are in sliding fit with the inner walls of the mold cavity (2), the lower surfaces of the lower molds (5) are in close fit with the middle part of the upper surface of the workbench (1), the middle part of one side of the lower surface of the workbench (1) is fixedly connected with a protective shell (103), the inside of the protective shell (103) is provided with a servo motor (6), the middle part of one side of the inside of the workbench (1) is provided with a threaded rod (601), the output end of the servo motor (6) penetrates the workbench (1) to the inside of the workbench (1) and is fixedly connected with the middle part of the lower end of the threaded rod (601), the middle part of the other side of the inner bottom surface of the workbench (1) is fixedly connected with a connecting rod (602), the outer walls of the connecting rod (602) and the threaded rod (601) are both sleeved with sliding blocks (603), the inner walls of the sliding blocks (603) are in sliding fit with the outer walls of the connecting rod (602), the inner walls of the sliding blocks (603) are in threaded connection with the outer walls of the threaded rod (601), the middle parts of the connecting rod (602) and the threaded rod (601) are provided with support plates (604), the outer walls of the adjacent two sides of the sliding blocks (603) are both fixedly connected with the two sides of the outer wall of the support plate (604), the middle part of the surface of the support plate (604) is fixedly connected with a support rod (605), the upper end of the support rod (605) penetrates the workbench (1) and is fixedly connected with the middle part of the lower surface of the lower mold (5).

3. The plastic mold according to claim 1, wherein: The middle part of the upper end of the workbench (1) is provided with a support frame (3), the two sides of the lower end of the support frame (3) are both fixedly connected with the two sides of the upper surface of the workbench (1), the middle part of the upper surface of the support frame (3) is fixedly connected with a hydraulic rod (301), the output end of the hydraulic rod (301) penetrates the support frame (3) to the lower end of the support frame (3) and is fixedly connected with the middle part of the upper surface of the connecting plate (4), the middle part of the lower surface of the connecting plate (4) is fixedly connected with an upper mold (403).

4. The plastic mold according to claim 2, wherein: The four corners of the lower surface of the connecting plate (4) are all fixedly connected with positioning rods (401), the four corners of the upper surface of the mold cavity (2) are all provided with positioning grooves (201), the outer walls of the positioning rods (401) are in sliding fit with the inner walls of the positioning grooves (201).

5. The plastic mold according to claim 2, wherein: The lower end of the servo motor (6) is fixedly connected with the inner bottom surface of the protective shell (103).

6. The plastic mold according to claim 3, wherein: The middle parts of the two sides of the upper surface of the connecting plate (4) are both fixedly connected with auxiliary rods (402), the upper ends of the auxiliary rods (402) all penetrate the support frame (3) to the upper end of the support frame (3).

7. The plastic mold of easy extraction of claim 1, wherein: The four corners of the lower surface of the workbench (1) are all fixedly connected with support legs (101).

8. The plastic mold of easy extraction of claim 1, wherein: One side of the outer wall of the front end of the workbench (1) is fixedly connected with a PLC control panel (102).

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