Plastic mold demolding device
By designing a plastic mold release device including an electric telescopic rod and a demolding device, the problem of low manual demolding efficiency in the prior art is solved, and the effect of automatic demolding and diversified mold production is achieved.
Patent Information
- Application Number
- CN202420632450.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing plastic molds need to be manually flipped and lifted after forming to release the mold, resulting in high labor consumption and low demolding efficiency.
A plastic mold release device including a fixed plate, an electric telescopic rod, a stamping box, a punch groove, a mold release rod and a spring is designed. The stamping box reset movement is driven by the electric telescopic rod, and automatic release is achieved by using the demolding device.
Automatic mold release during mold production is achieved, efficiency is improved, manpower consumption is reduced, and the free replacement of concave modules is allowed, expanding the type and use scenarios of molds.
Smart Images

Figure CN222590448U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic production, and more specifically, to a plastic mold demoulding device. Background Art
[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection molding, blow molding and low-foaming molding. The coordinated changes of the mold convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes.
[0003] However, in actual use, after the products in some plastic molds are formed, the staff needs to manually flip the mold to make the mold upside down, and the staff needs to lift the mold upward so that the mold can be separated from the product and the finished product can be removed from the mold. In this process, the mold cannot be demolded while being processed, which not only consumes a lot of manpower, but also affects the demolding efficiency and mold making. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a plastic mold demoulding device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A plastic mold demoulding device comprises a fixed plate, one side of which is fixedly provided with a punching device;
[0007] The stamping device comprises a plurality of electric telescopic rods fixedly arranged on one side of a fixed plate, one end of the electric telescopic rods is fixedly connected to a stamping box, one side of the stamping box is provided with a stamping cavity, and a demoulding device is movably arranged in the stamping cavity;
[0008] The demoulding device includes a plurality of punch grooves opened on one side of the stamping box, a plurality of through holes are arranged on the outer side of the punch grooves, the through holes are arranged on the surface of the stamping box, a demoulding rod is sleeved in the through holes, one end of the demoulding rod is fixedly connected to the demoulding plate, a spring is arranged on the outer side of the demoulding rod, one end of the spring is fixedly connected to the inner wall surface of the stamping cavity, the other end of the spring is fixedly connected to one side of the demoulding plate, an extension block is arranged on the other side of the demoulding plate, one end of the extension block is fixedly connected to the extension rod, and one end of the extension rod is fixedly connected to the surface of the fixed plate.
[0009] As a further description of the above technical solution: a concave module is provided on one side of the stamping box, a die groove is opened on one side of the concave module, a pouring port is opened on the other side of the die groove, and a plurality of bolt holes are opened on the outer side of the pouring port.
[0010] As a further description of the above technical solution: a support plate is provided on one side of the concave module, a plurality of threaded holes are opened on the surface of the support plate, and bolts are twisted into the threaded holes.
[0011] As a further description of the above technical solution: a bracket 1 is fixedly connected to the other side of the fixing plate, and a bracket 2 is fixedly connected to the bottom of the supporting plate.
[0012] As a further description of the above technical solution: a bottom plate is fixedly provided at the bottom of the bracket one, and the bracket two is fixedly connected to the bottom plate.
[0013] As a further description of the above technical solution: a card slot is opened on the surface of the top plate of the bottom plate, a card block is carded in the card slot, and a storage box is fixedly connected to the top of the card block.
[0014] As a further description of the above technical solution: a punch is clamped in the punch groove, and a casting interface is provided on the support plate.
[0015] Technical effects and advantages of the utility model:
[0016] 1. By setting a stamping device and a demoulding device, compared with the prior art, the demoulding operation can be performed while the mold is being made. When the electric telescopic rod drives the stamping box to perform a reset movement, under the action of the internal demoulding device, the extension block presses against the demoulding plate, and the demoulding rod extends out of the through hole to achieve demoulding. When the electric telescopic rod drives the stamping box to perform a stamping movement, under the action of the spring, the demoulding plate and the demoulding rod are reset, which does not affect the subsequent mold reinforcement. In this process, various structures cooperate with each other to speed up the mold making process and improve efficiency;
[0017] 2. By setting the support plate and the concave module, compared with the prior art, the concave module can be freely replaced and can be replaced according to the required molds to process a variety of molds, thereby expanding the scope of use and increasing the use scenarios under different mold requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 2 It is a schematic diagram of the overall back structure of the utility model.
[0020] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model.
[0021] Figure 4 It is a schematic diagram of the structure of the punching device of the utility model.
[0022] Figure 5 It is a schematic diagram of the structure of the concave module part of the utility model.
[0023] Figure 6 It is a schematic diagram of the structure of the bottom plate part of the utility model.
[0024] The accompanying drawings are marked as follows: 1. fixed plate; 2. electric telescopic rod; 3. stamping box; 4. stamping cavity; 5. punch groove; 6. through hole; 7. demoulding plate; 8. demoulding rod; 9. spring; 10. extension block; 11. extension rod; 12. concave module; 13. concave groove; 14. pouring port; 15. bolt hole; 16. support plate; 17. threaded hole; 18. bolt; 19. bracket one; 20. bottom plate; 21. bracket two; 22. slot; 23. block; 24. storage box; 25. punch; 26. pouring interface. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] The embodiment of the present application discloses a plastic mold demoulding device, comprising a fixed plate 1, and a punching device is fixedly provided on one side of the fixed plate 1;
[0027] The stamping device includes a plurality of electric telescopic rods 2 fixedly arranged on one side of a fixed plate 1, one end of the electric telescopic rod 2 is fixedly connected to a stamping box 3, one side of the stamping box 3 is provided with a stamping cavity 4, and a demoulding device is movably arranged in the stamping cavity 4;
[0028] The demolding device includes a plurality of punch grooves 5 opened on one side of the punch box 3, a plurality of through holes 6 are arranged on the outside of the punch grooves 5, the through holes 6 are opened on the surface of the punch box 3, a demolding rod 8 is sleeved in the through holes 6, one end of the demolding rod 8 is fixedly connected to a demolding plate 7, a spring 9 is arranged on the outside of the demolding rod 8, one end of the spring 9 is fixedly connected to the inner wall surface of the punching cavity 4, the other end of the spring 9 is fixedly connected to one side of the demolding plate 7, an extension block 10 is arranged on the other side of the demolding plate 7, one end of the extension block 10 is fixedly connected to an extension rod 11, one end of the extension rod 11 is fixedly connected to the surface of the fixed plate 1, specifically, the extension rod 11 passes through the through holes 6 and is flush with the surface of the punch box 3, so as to avoid excessive defects in the mold.
[0029] Reference Figure 5 As shown, a concave module 12 is provided on one side of the stamping box 3, a die groove 13 is opened on one side of the concave module 12, a pouring port 14 is opened on the other side of the die groove 13, and a plurality of bolt holes 15 are opened on the outer side of the pouring port 14, and the specific bolt holes 15 are used to fix the concave module 12.
[0030] Reference Figure 5As shown, a support plate 16 is provided on one side of the concave module 12, and a plurality of threaded holes 17 are opened on the surface of the support plate 16. Bolts 18 are twisted into the threaded holes 17. Specifically, the bolts 18 pass through the threaded holes 17 and enter the bolt holes 15 to fix the support plate 16 and the concave module 12 together.
[0031] Reference Figure 6 As shown, a bracket 19 is fixedly connected to the other side of the fixing plate 1 , and a bracket 21 is fixedly connected to the bottom of the supporting plate 16 . Specifically, the bracket 19 is used to fix the punching device, and the supporting plate 2 is used to fix the concave module 12 .
[0032] Reference Figure 6 As shown, a bottom plate 20 is fixedly provided at the bottom of the bracket 19, and the bracket 21 is fixedly connected to the bottom plate 20. Specifically, the bottom plate 20 is used to support the support plate 1 and the support plate 2.
[0033] Reference Figure 6 As shown, a card slot 22 is provided on the top surface of the bottom plate 20, a card block 23 is carded in the card slot 22, and a storage box 24 is fixedly connected to the top of the card block 23. Specifically, the storage box 24 is used to store the mold.
[0034] Reference Figure 3 As shown, a punch 25 is clamped in the punch groove 5, and a pouring interface 26 is provided on the support plate 16. Specifically, the punch 25 in the punch groove 5 can be replaced.
[0035] The working principle of the utility model is as follows: first, the required punch 25 is clamped in the punch groove 5, and then the concave module 12 is fixed to the support plate 16, the pouring port 14 is aligned with the pouring interface 26, and the bolt 18 is passed through the threaded hole 17 and the bolt hole 15 to fix the concave module 12 and the support plate 16 together, and then the block 23 at the bottom of the storage box 24 is clamped into the card groove 22 of the base, and the electric telescopic rod 2 is started. The electric telescopic rod 2 pushes the stamping box 3 forward, and then drives the punch 25 to move toward the concave module 12. After the punch 25 is merged with the concave module 12, the raw material is introduced into the pouring interface 26. After waiting for plasticity, the electric telescopic rod 2 returns the stamping box 3 and leaves the concave module 12. The mold adheres to the punch 25. During the resetting process of the stamping box 3, the stripping plate 7 is resisted by the extension block 10 and cannot move with the stamping box 3. At this time, the stripping rod 8 extends out of the through hole 6 to push the mold out, so that it is separated from the punch 25 and then falls into the storage box 24.
[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A plastic mold demoulding device, comprising a fixing plate (1), characterized in that: A punching device is fixedly provided on one side of the fixing plate (1); The punching device comprises a plurality of electric telescopic rods (2) fixedly arranged on one side of a fixed plate (1); one end of the electric telescopic rods (2) is fixedly connected to a punching box (3); one side of the punching box (3) is provided with a punching cavity (4); a demoulding device is movably arranged in the punching cavity (4); The demoulding device comprises a plurality of punch grooves (5) provided on one side of a punching box (3), a plurality of through holes (6) being provided on the outer side of the punch grooves (5), the through holes (6) being provided on the surface of the punching box (3), a demoulding rod (8) being sleeved in the through holes (6), one end of the demoulding rod (8) being fixedly connected to a demoulding plate (7), a spring (9) being provided on the outer side of the demoulding rod (8), one end of the spring (9) being fixedly connected to the inner wall surface of the punching cavity (4), the other end of the spring (9) being fixedly connected to one side of the demoulding plate (7), an extension block (10) being provided on the other side of the demoulding plate (7), one end of the extension block (10) being fixedly connected to an extension rod (11), one end of the extension rod (11) being fixedly connected to the surface of a fixed plate (1).
2. A plastic mold demoulding device according to claim 1, characterized in that: A concave module (12) is provided on one side of the punch box (3), a concave die groove (13) is provided on one side of the concave die groove (12), a pouring port (14) is provided on the other side of the concave die groove (13), and a plurality of bolt holes (15) are provided on the outer side of the pouring port (14).
3. A plastic mold demoulding device according to claim 2, characterized in that: A support plate (16) is provided on one side of the concave module (12), a plurality of threaded holes (17) are provided on the surface of the support plate (16), and bolts (18) are screwed into the threaded holes (17).
4. A plastic mold demoulding device according to claim 3, characterized in that: The other side of the fixing plate (1) is fixedly connected to a bracket one (19), and the bottom of the supporting plate (16) is fixedly connected to a bracket two (21).
5. A plastic mold demoulding device according to claim 4, characterized in that: A bottom plate (20) is fixedly provided at the bottom of the bracket one (19), and the bracket two (21) is fixedly connected to the bottom plate (20).
6. A plastic mold demoulding device according to claim 5, characterized in that: A card slot (22) is provided on the top surface of the bottom plate (20), a card block (23) is carded in the card slot (22), and a storage box (24) is fixedly connected to the top of the card block (23).
7. A plastic mold demoulding device according to claim 6, characterized in that: A convex mold (25) is clamped in the convex mold groove (5), and a pouring interface (26) is provided on the support plate (16).