Plastic deformation mold structure

Abstract

The utility model belongs to the technical field of molds, and discloses a plastic deformation mold structure, which comprises a fixed mold assembly and a movable mold assembly, the movable mold assembly is matched below the fixed mold assembly, the fixed mold assembly comprises a top plate and an upper mold core plate bolted below the top plate, an upper mold core is bolted inside the bottom end of the upper mold core plate, and a lower mold core is bolted inside the upper mold core plate. Receding grooves are formed in the opposite angles of the left side and the right side of the upper mold core plate, inclined rods are fixedly connected to the interiors of the two receding grooves, the movable mold assembly comprises a lower mold core plate, and a lower mold core is connected to the interior of the top end of the lower mold core plate in a bolted mode; according to the utility model, the integrated plastic buckle hook is formed through injection molding, so that the product can form a semi-closed arc-shaped hook buckle shape after being molded, an arc-shaped bulge is formed on the inner side of one end of the hook buckle, an arc-shaped groove is formed on the outer side of the other end of the hook buckle, and the arc-shaped bulge is clamped into the arc-shaped groove through deformation of the plastic hook buckle, so that buckling is realized; the buckle hook is convenient to produce, and the production cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, and specifically is a kind of plastic deformation mould structure. BACKGROUND

[0002] In modern society, people need various hooks in life, and to meet the needs of people, hooks sold on the market are various, and each has different design concepts to meet the use requirements of different users.

[0003] The existing hook usually adopts torsional spring and pin to cooperate to realize that movable plate buckle can swing relative to hook body to open and close, then since pin is penetrated in the side wall surface of hook body, i.e. pin is perpendicular to annular plane formed between movable plate buckle and hook body;But the existing hook production is metal material, not only high cost, but also need certain time to assemble;For this, we propose a kind of plastic deformation mould structure. INVENTION CONTENTS

[0004] To solve the problems in the above background, the utility model provides a kind of plastic deformation mould structure, solves the problem that the existing hook production is not only high cost, but also need certain time to assemble.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of plastic deformation mould structure, including fixed mould component and movable mould component, the movable mould component is cooperated in the lower of fixed mould component, the fixed mould component includes top plate and the upper die core plate of bolted in the lower of top plate, the bottom end inside of upper die core plate is bolted with upper die core, the left and right sides of upper die core plate are diagonally provided with empty slot, the inside of two empty slots is fixedly connected with inclined rod, the movable mould component includes lower die core plate, the bottom end inside of lower die core plate is bolted with lower die core, the left and right sides of lower die core plate and the position corresponding to empty slot are provided with installation groove, the inside of two installation grooves is mounted with the forming assembly matched with inclined rod, the left and right sides of the lower surface of lower die core plate are provided with support plate, the lower surface of two support plates is provided with same bottom plate, the middle portion between two support plates is equipped with stripping assembly, the bottom end middle portion of upper die core is equipped with two oppositely arranged upper die cavities, the top end middle portion of lower die core and the position corresponding to two upper die cavities is equipped with two lower die cavities, two lower die cavities and corresponding two upper die cavities are collectively enclosed into a forming cavity.

[0006] Preferably, the bottom end middle portion of upper die core plate and the top end middle portion of lower die core plate are each provided with die core groove, the upper die core and lower die core are bolted in corresponding die core groove respectively, the top end middle portion of top plate is provided with gate, the middle portion of upper die core plate and the position corresponding to gate are provided with flow channel, and flow channel penetrates corresponding die core groove.

[0007] Preferably, the upper die cavity and the lower die cavity are both semi-closed arc-shaped, the inner wall of one end of the upper die cavity and the inner wall of one end of the lower die cavity are both provided with a forming convex groove, the inner wall of the other end of the upper die cavity and the inner wall of the other end of the lower die cavity are both provided with a forming clamping groove, the top end of the lower die core is provided with a first sliding groove on both sides and corresponding to the forming clamping groove, and the bottom end of the upper die core is provided with a second sliding groove on both sides and corresponding to the forming clamping groove.

[0008] Preferably, the middle part of the bottom plate is provided with a circular hole, the bottom plate, the two supporting plates and the lower die core plate are bolted through connecting screws, the top end of the lower die core plate is provided with a positioning column at four corners, and the bottom end of the upper die core plate is provided with a first guide sleeve in sliding fit with the positioning column at four corners.

[0009] Preferably, the demolding assembly comprises a first push plate and a second push plate, the second push plate is bolted to the upper surface of the first push plate, the middle part of the two sides of the first push plate and the middle part of the two sides of the second push plate are both provided with four through holes, the inside of the opposite two through holes is slidably connected with a first guide column through a second guide sleeve, one end of the first guide column away from the first push plate is installed in the inside of the bottom plate, the outside of the first guide column is sleeved with a second return spring, and the two ends of the second return spring are in contact with the second push plate and the lower die core plate respectively.

[0010] Preferably, the middle part of the second push plate and the position corresponding to the lower die cavity are provided with a plurality of ejector pin holes, a plurality of ejector pins are installed between the first push plate and the second push plate, one end of the ejector pin away from the first push plate extends into the lower die cavity through the corresponding ejector pin hole, the lower die core plate, the die core groove and the lower die core in sequence, the four corners of the first push plate are provided with a second guide column, and one end of the second guide column away from the first push plate slidably penetrates the second push plate and the lower die core plate in sequence.

[0011] Preferably, the inner wall of the bottom end of the two sides of the mounting groove is provided with a guide groove, and the two forming assemblies both comprise a movable block slidably fitted in the inside of the mounting groove, the middle part of the two sides of the movable block and the position corresponding to the guide groove are both fixedly connected with a sliding block, one end of the sliding block away from the movable block is slidably fitted in the inside of the guide groove, the middle part of the top end of the movable block and the side away from the lower die core are provided with an inclined groove, the inclined groove is slidably fitted with the inclined rod, and the side of the movable block close to the inclined groove and the inner wall of the mounting groove are fixedly connected with two first return springs.

[0012] Preferably, two first reset springs are respectively located at two sides of the chute, the movable block is fixedly connected with an extension plate in the middle of one end of the lower die core, the extension plate is slidably connected in the first sliding groove, the middle of one end of the extension plate away from the movable block is fixedly connected with an inlay block, the inlay block away from the extension plate extends to the inside of the forming clamping groove, the inlay block away from the extension plate is provided with a notch, and the inlay block away from the extension plate is arc-shaped.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The integral plastic buckle hook is formed by injection molding, so that the product can form a semi-closed arc-shaped hook buckle after molding, the inner side of one end of the hook buckle forms an arc-shaped protrusion, the outer side of the other end of the hook buckle forms an arc-shaped groove, the arc-shaped protrusion is clamped into the arc-shaped groove through the deformation of the plastic hook buckle, the hook buckle is buckled, the hook buckle is not only convenient to produce, but also greatly reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the dynamic die assembly and the fixed die assembly explosion structure schematic diagram of the utility model;

[0017] Figure 3 It is another view structure schematic diagram of the fixed die assembly of the utility model;

[0018] Figure 4 It is the dynamic die assembly explosion structure schematic diagram of the utility model;

[0019] Figure 5 It is the lower die core plate three-dimensional structure schematic diagram of the utility model;

[0020] Figure 6 It is the Figure 5 It is the enlarged structure schematic diagram of the middle A of the utility model.

[0021] In the diagram: 1. Fixed mold assembly; 101. Top plate; 102. Upper mold core plate; 103. Sprue; 104. First guide sleeve; 105. Clearance groove; 106. Diagonal brace; 2. Moving mold assembly; 3. Lower mold core plate; 301. Support plate; 302. Base plate; 303. Positioning pin; 304. Mounting groove; 305. Connecting screw; 306. Mold core groove; 307. Guide groove; 4. Lower mold core; 401. First slide groove; 402. Lower mold cavity; 403. Forming protrusion. ; 404, Forming slot; 5, Forming component; 501, Movable block; 502, Slider; 503, Inclined groove; 504, First return spring; 505, Extension plate; 506, Insert; 507, Notch; 6, Demolding component; 601, First push plate; 602, Second push plate; 603, First guide post; 604, Second return spring; 605, Second guide post; 606, Ejector pin; 7, Upper mold core; 701, Upper mold cavity; 702, Second slide groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] like Figures 1 to 6 As shown, this utility model provides a plastic deformation mold structure, including a fixed mold assembly 1 and a moving mold assembly 2. The moving mold assembly 2 is fitted below the fixed mold assembly 1. The fixed mold assembly 1 includes a top plate 101 and an upper mold core plate 102 bolted to the bottom of the top plate 101. An upper mold core 7 is bolted to the bottom end of the upper mold core plate 102. Clearance grooves 105 are provided diagonally on both sides of the upper mold core plate 102. Diagonal rods 106 are fixedly connected inside each of the two clearance grooves 105. The moving mold assembly 2 includes a lower mold core plate 3. A lower mold core 4 is bolted to the top end of the lower mold core plate 3. The left and right sides of the lower mold core plate 3 correspond to the clearance grooves 105. The position is provided with an installation groove 304. The two installation grooves 304 are each equipped with a molding component 5 that cooperates with the inclined rod 106. The lower surface of the lower mold core plate 3 is provided with support plates 301 on both the left and right sides. The lower surface of the two support plates 301 is provided with the same base plate 302. The middle of the two support plates 301 is provided with a demolding component 6. The bottom center of the upper mold core 7 is provided with two opposing upper mold cavities 701. The top center of the lower mold core 4 is provided with two lower mold cavities 402 at a position corresponding to the two upper mold cavities 701. The two lower mold cavities 402 and the corresponding two upper mold cavities 701 together form a molding cavity.

[0025] When the mold is closed, the injection molding machine drives the bottom plate 302, the support plate 301, the demolding assembly 6 and the lower mold plate 3 to move towards the upper mold plate 102, so that the two forming assemblies 5 contact the two inclined rods 106 and drive the forming assemblies 5 into the lower mold plate 4, and after the upper mold plate 7 and the lower mold plate 4 contact, the two forming assemblies 5, the two upper mold cavities 701 and the two lower mold cavities 402 form a semi-closed arc-shaped forming cavity. The injection molding machine injects molten PP or PC material into the forming cavity, and after pressure holding and cooling, the injection molding is finally completed. When demolding, the injection molding machine opens the mold and gradually separates the lower mold plate 3 from the upper mold plate 102, and the ejector rod on the injection molding machine pushes up the demolding assembly 6 through the bottom plate 302, and the product is ejected from the demolding assembly 6.

[0026] Further, the bottom end of the upper mold plate 102 and the top end of the lower mold plate 3 are provided with mold grooves 306, and the upper mold plate 7 and the lower mold plate 4 are respectively screwed into the corresponding mold grooves 306. The top end of the top plate 101 is provided with a gate 103, and the middle of the upper mold plate 102 is provided with a flow channel corresponding to the gate 103, and the flow channel penetrates through the corresponding mold groove 306. The middle of the upper mold plate 7 is also provided with a flow channel, and the molten material can be injected into the upper mold plate 7 through the gate 103 and the flow channel, and the molten material enters the cavity through the flow channel.

[0027] Further, the upper mold cavity 701 and the lower mold cavity 402 are both semi-closed arc-shaped, and the inner wall of one end of the upper mold cavity 701 and the inner wall of one end of the lower mold cavity 402 are both provided with a forming convex groove 403, and the inner wall of the other end of the upper mold cavity 701 and the inner wall of the other end of the lower mold cavity 402 are both provided with a forming clamping groove 404. The top end of the lower mold plate 4 is provided with a first sliding groove 401 on both sides corresponding to the forming clamping groove 404, and the bottom end of the upper mold plate 7 is provided with a second sliding groove 702 on both sides corresponding to the forming clamping groove 404. The upper and lower opposite forming convex grooves 403 can form a convex semicircular cylindrical clamping block at one end of the arc-shaped product after injection molding, and the upper and lower opposite forming clamping grooves 404 can form a clamping groove matched with the semicircular cylindrical clamping block at the other end of the arc-shaped product after injection molding, so that the product forms a PP or PC material hook, and the hook has the characteristics of good toughness and not easy to break. By pressing the hook, the end with the clamping groove enters the inside of the ring-shaped product, and by releasing the hook, the end with the clamping groove contacts the semicircular cylindrical clamping block, and under its own elasticity, the clamping block can be tightly clamped in the clamping groove.

[0028] Further, the middle part of the bottom plate 302 is provided with a round hole, the bottom plate 302, the two support plates 301 and the lower die plate 3 are connected by connecting screws 305, the top end of the lower die plate 3 is provided with positioning columns 303 at four corners, and the bottom end of the upper die plate 102 is provided with first guide sleeves 104 in sliding fit with the positioning columns 303 at four corners; wherein the round hole is matched with the ejector rod of the injection molding machine, so that the ejector rod can pass through the round hole and contact the demolding assembly 6, the positioning columns 303 entering the first guide sleeves 104 can ensure that the lower die plate 3 is precisely attached to the upper die plate 102, and the precision of the mold closing is ensured.

[0029] Further, the demolding assembly 6 includes a first push plate 601 and a second push plate 602, the second push plate 602 is connected to the upper surface of the first push plate 601, the middle part of the two sides of the first push plate 601 and the middle part of the two sides of the second push plate 602 are provided with four through holes, the first guide columns 603 are connected in sliding fit with the interiors of the opposite two through holes through second guide sleeves, one end of the first guide column 603 away from the first push plate 601 is installed in the interior of the bottom plate 302, the first guide column 603 is provided with a second return spring 604 on the outside, and the two ends of the second return spring 604 are in contact with the second push plate 602 and the lower die plate 3 respectively; wherein when the injection molding machine is opened, the movable mold assembly 2 can be driven to move, and when the lower die plate 3 is separated from the upper die plate 102, the injection molding machine continues to move to make the ejector rod contact the first push plate 601 through the round hole, and the first push plate 601 does not move with the bottom plate 302, at the same time, the bottom plate 302 drives the first guide column 603 to slide on the first push plate 601 and the second push plate 602, and the lower die plate 3 continues to move away from the upper die plate 102, so that the first push plate 601 moves relative to the bottom plate 302 and compresses the second return spring 604.

[0030] Further, the middle part of the second push plate 602 and the position corresponding to the lower die cavity 402 are provided with a plurality of ejector pin holes, a plurality of ejector pins 606 are installed between the first push plate 601 and the second push plate 602, the end of the ejector pin 606 away from the first push plate 601 penetrates the corresponding ejector pin hole, the lower die core plate 3, the die core groove 306 and the lower die core 4 in sequence and extends into the lower die cavity 402, the four corners of the first push plate 601 are provided with second guide columns 605, the end of the second guide column 605 away from the first push plate 601 penetrates the second push plate 602 and the lower die core plate 3 in sequence; when the first push plate 601 moves relative to the bottom plate 302, the ejector pin 606 slides in the lower die core plate 3 and the lower die core 4 and penetrates the lower die cavity 402 to push the product out; wherein the second guide column 605 can slide in the lower die core plate 3 and expose; wherein the installation path of the plurality of ejector pins 606 is the same as the trend of the lower die cavity 402, the number of the ejector pins 606 is set according to the actual design, and there is a sprue ejector pin in the ejector pin 606, which is located at the sprue between two products; at the same time, when the mold is closed, the movable mold assembly 2 moves towards the fixed mold assembly 1, and under the action of the second return spring 604, the first push plate 601 can tightly contact the ejector rod, so that the ejector pin 606 moves relative to the lower die core plate 3, and the ejector pin 606 is reset.

[0031] Further, the inner walls of the bottom ends of the two sides of the installation groove 304 are provided with guide grooves 307, the two forming assemblies 5 each include a movable block 501 slidingly fitted in the inside of the installation groove 304, the middle part of the two sides of the movable block 501 and the positions corresponding to the guide grooves 307 are fixedly connected with sliding blocks 502, and the end of the sliding block 502 away from the movable block 501 is slidingly fitted in the inside of the guide groove 307, the middle part of the top end of the movable block 501 and the side away from the lower die core 4 is provided with an inclined groove 503, the inclined groove 503 is slidingly fitted with the inclined rod 106, and the side of the movable block 501 close to the inclined groove 503 and the inner wall of the installation groove 304 are fixedly connected with two first return springs 504; wherein the projections of the two inclined grooves 503 are in the shape of an eight character, when the lower die core plate 3 moves towards the upper die core plate 102, the inclined groove 503 corresponds to the inclined rod 106 and moves continuously, the inclined rod 106 enters the inside of the top end of the inclined groove 503 and generates a pressing force, so that the movable block 501 slides in the installation groove 304 and drives the sliding block 502 to slide in the guide groove 307 under the action of the pressing force, so that the movable block 501 approaches the lower die core 4 and stretches the first return spring 504.

[0032] Further, two first reset springs 504 are respectively arranged at two sides of the inclined groove 503, the movable block 501 is fixedly connected with an extension plate 505 at the middle of one end close to the lower die core 4, the extension plate 505 is slidably matched in the first sliding groove 401, the extension plate 505 is fixedly connected with an inlay block 506 at the middle of one end away from the movable block 501, the inlay block 506 extends to the inside of the forming clamping groove 404 at one end away from the extension plate 505, the inlay block 506 is provided with a notch 507 at one end away from the extension plate 505, and the inlay block 506 is arranged in an arc shape at one end away from the extension plate 505; when the movable block 501 moves towards the lower die core 4, the extension plate 505 and the inlay block 506 can enter the lower die core 4; when the lower die core 4 and the upper die core 7 contact, the arc-shaped end of the inlay block 506 enters the forming clamping groove 404, so that the upper die core 7, the lower die core 4, the upper die cavity 701, the lower die cavity 402 and the inlay block 506 form a sealed cavity, at this time, the arc-shaped end of the inlay block 506 is suspended between the upper forming clamping groove 404 and the lower forming clamping groove 404, so that an arc-shaped clamping groove can be formed when the molten material is injected subsequently; when demolding, the lower die core plate 3 moves away from the upper die core plate 102, the inclined rod 106 gradually separates from the inclined groove 503, and the movable block 501 is reset under the action of the first reset spring 504, at the same time, the movable block 501 drives the extension plate 505 and the inlay block 506 to reset, so that the inlay block 506 separates from the product and the lower die cavity 402, and the product is conveniently ejected by the ejector pin 606.

[0033] In summary, compared with the prior art, the utility model discloses a upper die core 7 and lower die core 4 are provided with upper die cavity 701 and lower die cavity 402 respectively at the bottom and top, and the upper die cavity 701 and lower die cavity 402 form a semi-closed arc-shaped cavity after clamping, thereby guaranteeing the shape of the product, the relative forming convex groove 403 can form a semi-cylindrical hollow structure at one end of the arc-shaped cavity, the inlay block 506 can enter the forming clamping groove 404 and be suspended through the cooperation of the inclined rod 106 and movable block 501, so that the product can form an arc-shaped hook after forming, the inside of one end of the hook forms an arc-shaped protrusion, and the outside of the other end of the hook forms an arc-shaped groove, the arc-shaped protrusion is clamped into the arc-shaped groove through the deformation of the hook of the plastic, and the hook is engaged.

[0034] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plastic deformation die structure, characterized by, The utility model provides a moulding device, including fixed mould component (1) and movable mould component (2), movable mould component (2) is cooperated in the below of fixed mould component (1), fixed mould component (1) includes top plate (101) and bolted in the below of top plate (101) upper die board (102), the bottom end inside of upper die board (102) is bolted with upper die (7), and the both sides of upper die board (102) are diagonally provided with empty slot (105), and the inside of two empty slot (105) is fixedly connected with inclined rod (106), movable mould component (2) includes lower die board (3), and the top end inside of lower die board (3) is bolted with lower die (4), and the both sides of lower die board (3) are provided with mounting groove (304) in the position corresponding with empty slot (105), and the inside of two mounting groove (304) is installed with the moulding assembly (5) of cooperation with inclined rod (106), and the both sides of lower die board (3) lower surface are provided with support plate (301), and the lower surface of two support plate (301) is provided with same bottom plate (302), and the middle part between two support plate (301) is equipped with stripping assembly (6), and the bottom end middle part of upper die (7) is equipped with two oppositely arranged upper die cavity (701), and the top end middle part of lower die (4) is equipped with two lower die cavities (402) in the position corresponding with two upper die cavities (701), and two lower die cavities (402) and corresponding two upper die cavities (701) are enclosed into a forming cavity.

2. A plastic deformation mold structure according to claim 1, characterized by: The bottom end middle part of upper die board (102) and the top end middle part of lower die board (3) are provided with die slot (306), and upper die (7) and lower die (4) are bolted in corresponding die slot (306) respectively, and the top end middle part of top plate (101) is provided with gate (103), and the middle part of upper die board (102) is provided with runner in the position corresponding with gate (103), and the runner penetrates corresponding die slot (306).

3. A plastic deformation mold structure according to claim 1, wherein: The upper die cavity (701) and the lower die cavity (402) are both arranged in a semi-closed arc shape, one end inner wall of the upper die cavity (701) and one end inner wall of the lower die cavity (402) are both provided with a molding convex groove (403), the other end inner wall of the upper die cavity (701) and the other end inner wall of the lower die cavity (402) are both provided with a molding clamping groove (404), the top end sides of the lower die (4) are provided with a first sliding groove (401) in positions corresponding to the molding clamping grooves (404), and the bottom end sides of the upper die (7) are provided with a second sliding groove (702) in positions corresponding to the molding clamping grooves (404).

4. A plastic deformation mold structure according to claim 1, wherein: The middle part of the bottom plate (302) is provided with a circular hole, the bottom plate (302), the two support plates (301), and the lower die board (3) are bolted by connecting screws (305), the top end corners of the lower die board (3) are all provided with positioning columns (303), and the bottom end corners of the upper die board (102) are all provided with first guide sleeves (104) in sliding cooperation with the positioning columns (303).

5. A plastic deformation mold structure according to claim 1, wherein: The demolding assembly (6) comprises a first push plate (601) and a second push plate (602), the second push plate (602) is bolted to the upper surface of the first push plate (601), the middle portions of the two sides of the first push plate (601) and the second push plate (602) are provided with four through holes, the inner sides of the opposite two through holes are slidably connected with a first guide column (603) through a second guide sleeve, one end of the first guide column (603) away from the first push plate (601) is installed in the inner side of the bottom plate (302), the outer side of the first guide column (603) is sleeved with a second return spring (604), and the two ends of the second return spring (604) are in contact with the second push plate (602) and the lower die core plate (3) respectively.

6. A plastic deformation mold structure according to claim 5, wherein: The middle portion of the second push plate (602) is provided with a plurality of ejector pin holes corresponding to the lower die cavity (402), a plurality of ejector pins (606) are installed between the first push plate (601) and the second push plate (602), one end of the ejector pin (606) away from the first push plate (601) penetrates the corresponding ejector pin hole, the lower die core plate (3), the die core groove (306) and the lower die core (4) in sequence and extends into the lower die cavity (402), and a second guide column (605) is installed at the four corners of the first push plate (601). One end of the second guide column (605) away from the first push plate (601) slidably penetrates the second push plate (602) and the lower die core plate (3) in sequence.

7. A plastic deformation mold structure according to claim 1, wherein: The inner walls of the bottom ends of the two sides of the mounting groove (304) are provided with guide grooves (307), and the two forming assemblies (5) each comprise a movable block (501) slidably fitted in the inner side of the mounting groove (304). The middle portions of the two sides of the movable block (501) and the positions corresponding to the guide grooves (307) are fixedly connected with sliding blocks (502), one end of the sliding block (502) away from the movable block (501) is slidably fitted in the inner side of the guide groove (307), the middle portion of the top end of the movable block (501) and the side away from the lower die core (4) is provided with an inclined groove (503), the inclined groove (503) is slidably fitted with an inclined rod (106), and the side of the movable block (501) close to the inclined groove (503) and the inner wall of the mounting groove (304) are fixedly connected with two first return springs (504).

8. A plastic deformation mold structure according to claim 7, wherein: The two first return springs (504) are located on the two sides of the inclined groove (503), the middle portion of one end of the movable block (501) close to the lower die core (4) is fixedly connected with an extension plate (505), the extension plate (505) is slidably fitted in the inner side of the first sliding groove (401), the middle portion of one end of the extension plate (505) away from the movable block (501) is fixedly connected with an inlay block (506), one end of the inlay block (506) away from the extension plate (505) extends to the inner side of the forming clamping groove (404), one end of the inlay block (506) away from the extension plate (505) is provided with a notch (507), and one end of the inlay block (506) away from the extension plate (505) is arc-shaped.

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