Plastic mold with high splicing stability

By introducing a flexible engaging structure into the plastic mold and using the design of sector-shaped clamps and springs, the cumbersome problem of mold board replacement is solved, and the convenient disassembly and installation of mold boards is achieved, which improves replacement efficiency and stability.

CN223223776UActive Publication Date: 2025-08-15SHENZHEN PRINSTON MOULD PLASTIC CO LTD
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Patent Information

Application Number
CN202422488749.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-15
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The replacement process of existing plastic mold mold boards is cumbersome and requires tools, resulting in inefficiency.

Method used

Using a flexible engaging structure, the mold board is easily disassembled and installed through the design of the fan-shaped clamp block and spring. The toggle plate is used to control the separation and reset of the clamp block and the clamp slot, simplifying the replacement process of the mold board.

Benefits of technology

It improves the replacement efficiency of mold boards, simplifies the operation process, reduces dependence on tools, and improves the splicing stability of mold boards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic mould with high splicing stability, which relates to the technical field of plastic moulds and comprises a bottom plate and a top plate, cylinders are fixedly connected to four corners of the top surface of the bottom plate, the top plate is fixedly connected to the top surfaces of the cylinders, a lower placing groove is formed in the middle of the top surface of the bottom plate, and a lower mould plate is placed in the lower placing groove. A connecting plate is fixedly connected to the bottom face of the top plate, an upper containing groove matched with the lower containing groove is formed in the bottom of the connecting plate, an upper mold plate is placed in the upper containing groove, third grooves are formed in the two sides of the inner wall of the lower containing groove and the two sides of the inner wall of the upper containing groove, telescopic rods are fixedly connected to one sides of the inner walls of the third grooves, and fan-shaped clamping blocks are fixedly connected to one ends of the telescopic rods. The surface of the telescopic rod is movably sleeved with a third spring, and the plastic mold plate replacement device has the advantages that a flexible clamping structure is arranged, so that a worker can conveniently replace a mold plate in a plastic mold.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a plastic mold with high splicing stability. Background Art

[0002] A plastic mold is a modular mold used for compression molding, extrusion molding, injection molding, blow molding, and low-foaming molding. By coordinating the mold's male and female dies and auxiliary molding systems, a range of plastic parts in different shapes and sizes can be produced.

[0003] During the use of plastic molds, the mold plates installed inside them need to be replaced regularly according to the injection molding requirements. However, most existing mold plates are installed in the plastic mold by bolt reinforcement. This installation method makes the mold plates very troublesome to replace. Other tools must be used to remove the mold plates from the plastic mold, which reduces the efficiency of mold plate replacement. Therefore, a more complete plastic mold is needed to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic mold with high splicing stability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold with high splicing stability, comprising a bottom plate and a top plate, wherein the four corners of the top surface of the bottom plate are fixedly connected to a cylinder, the top plate is fixedly connected to the top surface of the cylinder, a lower placement groove is provided in the middle of the top surface of the bottom plate, a lower mold plate is placed in the lower placement groove, a connecting plate is fixedly connected to the bottom surface of the top plate, an upper placement groove matching the lower placement groove is provided at the bottom of the connecting plate, an upper mold plate is placed in the upper placement groove, a third groove is provided on both sides of the inner walls of the lower placement groove and the upper placement groove, and the inner wall of the third groove is provided with a A telescopic rod is fixed on the side, a fan-shaped block is fixed on one end of the telescopic rod, a third spring is movably sleeved on the surface of the telescopic rod, and slots matching the fan-shaped block are provided on both sides of the lower mold plate and the upper mold plate. Two second grooves are provided on the top surface of the bottom plate and the bottom surface of the connecting plate, which are respectively connected to the third grooves. A plurality of second springs are fixed on one side of the inner wall of the second groove, and a toggle plate is fixed on the end of the second spring. The lower side of the toggle plate is fixedly sleeved on the surface of the telescopic rod. The toggle plate can make the telescopic rod retract, thereby separating the fan-shaped block from the slot.

[0006] As a further solution of the present invention: when the lower mold plate completely enters the lower placement groove and the upper mold plate completely enters the upper placement groove, each fan-shaped card block will be respectively engaged in the corresponding card slot, and the bottom surface of the fan-shaped card block will be attached to the bottom surface of the inner wall of the card slot.

[0007] As a further solution of the present invention: when the toggle plate moves left and right, its top surface is always located in the second groove.

[0008] As a further solution of the present invention: when each of the fan-shaped blocks is engaged with the corresponding slot, the top surface of the lower mold plate is flush with the top surface of the bottom plate, and the bottom surface of the upper mold plate is flush with the bottom surface of the connecting plate.

[0009] As a further solution of the present invention: a first groove is provided at the bottom of the inner wall of the lower placement groove, a plurality of evenly distributed first springs are fixed to the bottom of the inner wall of the first groove, and a plate is fixed to the top of the first spring.

[0010] As a further solution of the present invention: when the lower mold plate completely enters the lower placement groove, the plate body will completely enter the first groove, and the first spring will be in a contracted state.

[0011] By adopting the above technical solution, compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model provides a flexible locking structure to enable the staff to conveniently replace the mold plates in the plastic mold. The specific operation is as follows: when the upper mold plate and the lower mold plate need to be replaced, the staff only needs to toggle the two toggle plates on the connecting plate at the same time. At this time, the toggle plates can separate the fan-shaped clamping blocks from the clamping slots on both sides of the upper mold plate, so that the upper mold plate is separated from the upper placement slot, thereby realizing the disassembly of the upper mold plate, and when the staff toggle the two toggle plates on the bottom plate at the same time, the toggle plates can separate the fan-shaped clamping blocks from the clamping slots on the lower mold plate. Once the fan-shaped clamping blocks are separated from the clamping slots, the rebound force of the first spring will cause the plate body to move upward, thereby allowing the lower mold plate to pop out from the lower placement slot, thereby realizing the disassembly of the lower mold plate, and then take out the new upper mold plate and the lower mold plate, and then put them into the upper placement slot and the lower placement slot respectively. During the insertion process, the fan-shaped clamping blocks will first contract inwardly, and then automatically reset under the action of the telescopic rod and the third spring, and engage into the clamping slot to complete the position fixing of the upper mold plate and the lower mold plate.

[0013] Other advantages, objectives and features of the present invention will be described in part in the following description and will be apparent to those skilled in the art based on an examination of the following or may be learned from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the bottom plate of the utility model from a top view;

[0016] Figure 3 For this utility model Figure 1A is a schematic diagram of the enlarged structure.

[0017] In the figure: 1. bottom plate; 2. cylinder; 3. top plate; 4. connecting plate; 5. lower placement groove; 6. lower mold plate; 7. upper placement groove; 8. upper mold plate; 9. card slot; 10. first groove; 11. first spring; 12. plate body; 13. second groove; 14. second spring; 15. toggle plate; 16. third groove; 17. telescopic rod; 18. third spring; 19. fan-shaped card block. DETAILED DESCRIPTION

[0018] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0019] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0020] Please see the attached Figure 1 -Attached Figure 3 The utility model is a plastic mold with high splicing stability, including a bottom plate 1 and a top plate 3. The four corners of the top surface of the bottom plate 1 are fixedly connected to the cylinder 2. The top plate 3 is fixedly connected to the top surface of the cylinder 2. A lower placement groove 5 is opened in the middle of the top surface of the bottom plate 1. The lower mold plate 6 is placed in the lower placement groove 5. A connecting plate 4 is fixedly connected to the bottom surface of the top plate 3. An upper placement groove 7 matching the lower placement groove 5 is opened at the bottom of the connecting plate 4. An upper mold plate 8 is placed in the upper placement groove 7. A third groove 16 is opened on both sides of the inner wall of the lower placement groove 5 and the upper placement groove 7. A telescopic rod 17 is fixed on one side of the inner wall of the third groove 16. A fan-shaped block 19 is fixed on one end, and a third spring 18 is movably sleeved on the surface of the telescopic rod 17. Both sides of the lower mold plate 6 and the upper mold plate 8 are provided with a slot 9 matching the fan-shaped block 19. The top surface of the base plate 1 and the bottom surface of the connecting plate 4 are provided with two second grooves 13 respectively connected to the third groove 16. A plurality of second springs 14 are fixed on one side of the inner wall of the second groove 13, and a toggle plate 15 is fixed on the end of the second spring 14. The lower part of the toggle plate 15 is fixedly sleeved on the surface of the telescopic rod 17. The toggle plate 15 can make the telescopic rod 17 retract, thereby separating the fan-shaped block 19 from the slot 9.

[0021] In one embodiment of the present invention: when the lower mold plate 6 completely enters the lower placement groove 5 and the upper mold plate 8 completely enters the upper placement groove 7, each fan-shaped block 19 will be respectively engaged in the corresponding slot 9, and the bottom surface of the fan-shaped block 19 will be attached to the bottom surface of the inner wall of the slot 9.

[0022] In one embodiment of the present invention, when the toggle plate 15 moves left and right, its top surface is always located in the second groove 13 .

[0023] In one embodiment of the present invention: when each sector-shaped block 19 is engaged with the corresponding slot 9, the top surface of the lower mold plate 6 is flush with the top surface of the bottom plate 1, and the bottom surface of the upper mold plate 8 is flush with the bottom surface of the connecting plate 4.

[0024] In one embodiment of the present invention, a first groove 10 is formed at the bottom of the inner wall of the lower placement slot 5 , a plurality of evenly distributed first springs 11 are fixed to the bottom of the inner wall of the first groove 10 , and a plate 12 is fixed to the top of the first spring 11 .

[0025] In one embodiment of the present invention: when the lower mold plate 6 completely enters the lower placement groove 5, the plate body 12 will completely enter the first groove 10, and the first spring 11 will be in a contracted state, so that once the slots 9 on both sides of the lower mold plate 6 are separated from the fan-shaped block 19, the rebound force of the first spring 11 will cause the plate body 12 to move upward, thereby allowing the lower mold plate 6 to pop out from the lower placement groove 5.

[0026] Working principle:

[0027] First, place the bottom plate 1 on a flat ground or table. When the upper mold plate 8 and the lower mold plate 6 need to be replaced, the staff only needs to toggle the two toggle plates 15 on the connecting plate 4 at the same time. At this time, the toggle plates 15 can separate the fan-shaped card blocks 19 from the card slots 9 on both sides of the upper mold plate 8, so that the upper mold plate 8 is separated from the upper placement slot 7, and the upper mold plate 8 is disassembled. When the staff toggle the two toggle plates 15 on the bottom plate 1 at the same time, the toggle plates 15 can separate the fan-shaped card blocks 19 from the card slots 9 on the lower mold plate 6. Once the fan-shaped card blocks 19 are After separating from the card slot 9, the rebound force of the first spring 11 will make the plate body 12 move upward, so that the lower mold plate 6 will pop out from the lower placement groove 5, thereby realizing the disassembly of the lower mold plate 6, and then take out the new upper mold plate 8 and lower mold plate 6, and then put them into the upper placement groove 7 and the lower placement groove 5 respectively. During the placement process, the fan-shaped card block 19 will first shrink inward, and then automatically reset under the action of the telescopic rod 17 and the third spring 18, and engage into the card slot 9, completing the position fixation of the upper mold plate 8 and the lower mold plate 6. At this point, the entire work flow ends.

[0028] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0030] It should be noted that the equipment structure and drawings of the present invention mainly describe the principle of the present invention. In terms of the technology of the design principle, the settings of the device's power mechanism, power supply system and control system are not fully described. On the premise that those skilled in the art understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art.

[0031] The standard parts used can be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0033] For those skilled in the art, it is possible to make various changes, modifications, substitutions and variations to these embodiments without departing from the principles and spirit of the present invention, and they still fall within the scope of protection of the present invention.

Claims

1. A plastic mold with high splicing stability, comprising a bottom plate (1) and a top plate (3), characterized in that: The cylinder (2) is fixedly connected to the four corners of the top surface of the bottom plate (1), and the top plate (3) is fixedly connected to the top surface of the cylinder (2). A lower placement groove (5) is provided in the middle of the top surface of the bottom plate (1), and a lower mold plate (6) is placed in the lower placement groove (5). A connecting plate (4) is fixedly connected to the bottom surface of the top plate (3). An upper placement groove (7) matching the lower placement groove (5) is provided at the bottom of the connecting plate (4), and an upper mold plate (8) is placed in the upper placement groove (7). A third groove (16) is provided on both sides of the inner wall of the lower placement groove (5) and the upper placement groove (7). A telescopic rod (17) is fixedly connected to one side of the inner wall of the third groove (16), and a fan-shaped block (19) is fixedly connected to one end of the telescopic rod (17). A third spring (18) is movably sleeved on the surface of the telescopic rod (17), and both sides of the lower mold plate (6) and the upper mold plate (8) are provided with a card slot (9) matching the fan-shaped card block (19), and the top surface of the bottom plate (1) and the bottom surface of the connecting plate (4) are provided with two second grooves (13) respectively connected to the third groove (16), and a plurality of second springs (14) are fixedly connected to one side of the inner wall of the second groove (13), and a toggle plate (15) is fixedly connected to the end of the second spring (14), and the lower part of the toggle plate (15) is fixedly sleeved on the surface of the telescopic rod (17). The toggle plate (15) can make the telescopic rod (17) shrink, thereby separating the fan-shaped card block (19) from the card slot (9).

2. A plastic mold with high splicing stability according to claim 1, characterized in that: When the lower mold plate (6) completely enters the lower placement groove (5) and the upper mold plate (8) completely enters the upper placement groove (7), each fan-shaped card block (19) will be respectively engaged in the corresponding card groove (9), and the bottom surface of the fan-shaped card block (19) will be attached to the bottom surface of the inner wall of the card groove (9).

3. The plastic mold with high splicing stability according to claim 1, characterized in that: When the toggle plate (15) moves left and right, its top surface is always located in the second groove (13).

4. The plastic mold with high splicing stability according to claim 1, characterized in that: When each of the fan-shaped card blocks (19) is engaged with the corresponding card slot (9), the top surface of the lower mold plate (6) is flush with the top surface of the bottom plate (1), and the bottom surface of the upper mold plate (8) is flush with the bottom surface of the connecting plate (4).

5. The plastic mold with high splicing stability according to claim 1, characterized in that: A first groove (10) is provided at the bottom of the inner wall of the lower placement groove (5), a plurality of evenly distributed first springs (11) are fixed to the bottom of the inner wall of the first groove (10), and a plate (12) is fixed to the top of the first spring (11).

6. The plastic mold with high splicing stability according to claim 5, characterized in that: When the lower mold plate (6) completely enters the lower placement groove (5), the plate body (12) completely enters the first groove (10), and the first spring (11) is in a contracted state.