Novel rubber sealing element mold pressing mold

By using spring-driven anti-stick components for the slide plate and ejector rod, as well as a cooling component for the circulating water pipe in the mold, the problem of rubber seals sticking during the molding process is solved, enabling smooth demolding of the seals and improving production efficiency.

CN223735295UActive Publication Date: 2025-12-30DONGGUAN CHENGDA RUBBER & PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202423092773.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-30
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing technologies, rubber seals are prone to sticking to the upper mold during the molding process, which affects production efficiency.

Method used

A novel rubber seal molding die was designed, comprising an anti-sticking component and a cooling component. The anti-sticking component uses a spring to push a sliding plate and a push rod to press down the edge material of the seal, while the cooling component uses a circulating water pipe to reduce the mold temperature, ensuring that the seal can be easily demolded.

Benefits of technology

It effectively prevents seals from sticking together, improves production efficiency, and increases work progress.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223735295U_ABST
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Abstract

The utility model relates to the field of mold pressing molds, and discloses a novel rubber sealing element mold pressing mold which comprises an upper mold, four positioning pins are fixedly connected to the bottom of the upper mold, a lower mold is connected among the exteriors of the four positioning pins in a sliding mode, and cooling assemblies are arranged in the upper mold and the lower mold. A plurality of shaping grooves are formed in the inner side of the upper mold and the inner side of the lower mold, a plurality of mounting holes are formed in the upper mold and the lower mold, an anti-sticking assembly is mounted in the upper mold and comprises a plurality of inner shells, the outer portions of the inner shells are fixedly connected to the interior of the upper mold, springs are fixedly connected to the inner top walls of the inner shells, and the springs are fixedly connected to the inner top walls of the inner shells. The bottom of the spring is fixedly connected with a sliding plate. According to the utility model, the upper die is opened, and the spring pushes the sliding plate to drive the ejector rod to enable the pressing plate to press leftover materials of the sealing element, so that the sealing element is separated from the upper die and is prevented from being adhered to the upper die to influence the production schedule.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mould pressing mould, especially a new rubber sealing element mould pressing mould. BACKGROUND

[0002] Rubber sealing element is the key component for preventing liquid or gas leakage, widely used in machinery, automobile, electronics and other industries, they are usually made of synthetic rubber or natural rubber, with excellent elasticity, wear resistance and corrosion resistance, the design and material selection of sealing element directly affect its performance, including temperature resistance, pressure resistance and chemical resistance, common types include O-ring, gasket and oil seal, reasonable use and maintenance can prolong the service life of rubber sealing element, improve the reliability and safety of equipment.

[0003] Mould pressing mould is a tool for manufacturing plastic, rubber and other material products, by putting material into the mould to heat and press, make it shape, mould pressing process is suitable for mass production, can ensure the consistency and precision of product, the mould is usually made of high strength steel or aluminum, to resist high temperature and high pressure, cooling system and exhaust hole need to be considered in design, to improve the forming efficiency, mould pressing mould is widely used in automobile, electronics and consumer goods industries, is an important part of modern manufacturing industry.

[0004] When using mould pressing mould to produce rubber sealing element, put the mixed rubber material into the mould, then combine the upper mould and the lower mould by heating and pressing, make the rubber flow fully and fill the mould shape, finally form the sealing element, but when opening the mould, the sealing ring will stick in the upper mould, affect the production personnel collection, slow down the production efficiency, for this, a new rubber sealing element mould pressing mould is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a new rubber sealing element mould pressing mould, aims at improving the problem that the sealing ring will stick in the upper mould when opening the mould, affecting the production personnel collection, slowing down the production efficiency.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a new rubber sealing element mould pressing mould, including upper mould, the bottom of the upper mould is fixedly connected with four positioning pins, four positioning pins are slidably connected with the lower mould between the outside, the inside of the upper mould and the lower mould is provided with cooling assembly, the inside of the upper mould and the lower mould is provided with a plurality of installation holes, the inside of the upper mould is provided with anti-sticking assembly;

[0007] The anti-sticking assembly comprises a plurality of inner shells fixedly connected outside the upper die inside, a spring fixedly connected to the inner shell top wall, a sliding plate fixedly connected to the bottom of the spring, a top rod fixedly connected to the bottom of the sliding plate, and a pressing plate fixedly connected to the lower side of the top rod.

[0008] As a further description of the above technical solution:

[0009] The cooling assembly comprises two circulating water pipes fixedly connected outside the upper die and the lower die inside, and water inlets and outlets fixedly connected to the output end and the input end of the circulating water pipes.

[0010] As a further description of the above technical solution:

[0011] The upper die is fixedly connected with four mold lifting pins outside.

[0012] As a further description of the above technical solution:

[0013] The sliding plate is slidably connected to the inner wall of the inner shell outside.

[0014] As a further description of the above technical solution:

[0015] The top rod is slidably connected to the inner side of the lower side of the inner shell outside.

[0016] As a further description of the above technical solution:

[0017] The pressing plate is abutted between the top of the pressing plate and the bottom of the inner shell.

[0018] As a further description of the above technical solution:

[0019] The pressing plate is externally sleeved in the lower die.

[0020] As a further description of the above technical solution:

[0021] The circulating water pipe is arranged in an S-shaped loop.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses a mold opening device, which comprises an upper die, a lower die, a sealing element, a spring, a sliding plate, a top rod and a pressing plate.

[0024] 2、The utility model discloses a mold cooling device, which comprises an upper die, a lower die, a sealing element, a circulating water pipe and a water inlet and outlet. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of a novel rubber sealing element mold pressing die is provided in the utility model;

[0026] Figure 2 A structure schematic view of a lower die of a novel rubber sealing element mold pressing die is provided in the utility model;

[0027] Figure 3 A structure schematic view of a ejector rod of a novel rubber sealing element mold pressing die is provided in the utility model;

[0028] Figure 4 A structure schematic view of a circulating water pipe of a novel rubber sealing element mold pressing die is provided in the utility model.

[0029] Legend:

[0030] 1, upper die; 2, positioning pin; 3, lower die; 4, shaping groove; 5, mounting hole; 6, inner shell; 7, spring; 8, sliding plate; 9, ejector rod; 10, pressing plate; 11, circulating water pipe; 12, water inlet and outlet; 13, mold lifting bolt. Specific implementation

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 - Figure 4 An embodiment provided by the utility model: a novel rubber sealing element mold pressing die, comprising an upper die 1, the bottom of the upper die 1 is fixedly connected with four positioning pins 2, the four positioning pins 2 are slidably connected with a lower die 3 between the outside of the four positioning pins 2, the inside of the upper die 1 and the lower die 3 is provided with a cooling assembly, the inside of the upper die 1 and the lower die 3 is provided with a plurality of shaping grooves 4, the inside of the upper die 1 and the lower die 3 is provided with a plurality of mounting holes 5, the inside of the upper die 1 is provided with an anti-sticking assembly, the upper die 1 and the lower die 3 are combined to be the entire mold pressing die, the positioning pin 2 is used for ensuring that the upper die 1 can be accurately combined on the lower die 3, avoiding misplacement, the shaping groove 4 is used for producing the groove of the sealing element, and the mounting hole 5 is used for cooperating with the bolt to install the upper die 1 and the lower die 3 on the mold pressing device;

[0033] The anti-sticking assembly comprises a plurality of inner shells 6 fixedly connected to the inside of the upper die 1, a spring 7 fixedly connected to the inner top wall of the inner shell 6, a sliding plate 8 fixedly connected to the bottom of the spring 7, a top rod 9 fixedly connected to the bottom of the sliding plate 8, and a pressing plate 10 fixedly connected to the lower side of the top rod 9. The four mold lifting pins 13 are fixedly connected to the outside of the upper die 1. The inner shell 6 is used for connecting and protecting the internal parts, the spring 7 is used for pushing the sliding plate 8 to reset, the sliding plate 8 is used for bearing the pressure from the spring 7 and moving the top rod 9, the top rod 9 is used for moving the pressing plate 10 synchronously, the pressing plate 10 is used for pressing the corner scraps of the sealing element to prevent the sealing element from sticking to the upper die 1, and the mold lifting pin 13 is used for facilitating the mold pressing device to lift the upper die 1 to facilitate demolding. The sliding plate 8 is slidably connected to the inner wall of the inner shell 6, and the top rod 9 is slidably connected to the inside of the lower side of the inner shell 6. The inner shell 6 is used for limiting the sliding plate 8 and the top rod 9 to move up and down only and not to move and shake randomly. The pressing plate 10 is abutted between the top of the pressing plate 10 and the bottom of the inner shell 6, and the pressing plate 10 is externally sleeved in the inside of the lower die 3, so that the anti-sticking assembly works normally.

[0034] Referring to Figure 1 Figure 4 The cooling assembly comprises two circulating water pipes 11 fixedly connected to the inside of the upper die 1 and the lower die 3. The output end and the input end of the circulating water pipe 11 are fixedly connected with the water inlet and outlet 12. The circulating water pipe 11 is used for circulating water through the inside of the upper die 1 or the lower die 3 to cool the upper die 1 and the lower die 3. The water inlet and outlet 12 is used for facilitating the connection of the water pipe. The circulating water pipe 11 is arranged in an S shape to ensure that the temperature at each position is the same.

[0035] Working principle: when the mold is used to produce the sealing element, the upper die 1 and the lower die 3 are first fixed on the mold pressing device through the installation hole 5 and the cooperation of the bolts, and the water pipe and the water inlet and outlet 12 are connected. Then the upper die 1 is lifted, the rubber strip is placed on the shaping groove 4, and the upper die 1 is fixed on the lower die 3 under the action of the positioning pin 2. The mold pressing device is controlled to heat and press down the upper die 1, so that the rubber is melted and filled in the shaping groove 4, and the excess corner scraps flow into the space at the bottom of the top rod 9. Then the water is input into the circulating water pipe 11 and flows out from the other end to cool the upper die 1 and the lower die 3, so that the sealing element coagulates faster. Then the upper die 1 is lifted, the spring 7 pushes the sliding plate 8, the top rod 9 presses down the pressing plate 10, the sealing element is pressed, the sealing element is separated from the upper die 1, and the sealing element is prevented from sticking to the upper die 1. Finally, the sealing element is taken out, and the rubber is placed again to continue the mold pressing, so that the production of the sealing element is realized.

[0036] ​Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A novel rubber seal moulding die comprising an upper die (1) characterised in that: The upper die (1) bottom fixedly connected with four positioning pins (2), four positioning pins (2) outside between the sliding connection of the lower die (3), the upper die (1) and the lower die (3) inside are provided with cooling assembly, the upper die (1) and the lower die (3) inside are provided with a plurality of type groove (4), the upper die (1) and the lower die (3) inside are provided with a plurality of mounting hole (5), the upper die (1) inside is mounted with anti-adhesion assembly; The anti-adhesion assembly includes a plurality of inner shell (6), the inner shell (6) outside fixedly connected in the upper die (1), the inner shell (6) inner top wall fixedly connected with spring (7), the spring (7) bottom fixedly connected with sliding plate (8), the sliding plate (8) bottom fixedly connected with top rod (9), the top rod (9) lower side fixedly connected with pressing plate (10).

2. A novel rubber seal molding die according to claim 1, characterized in that: The cooling assembly includes two circulating water pipes (11), the circulating water pipe (11) outside fixedly connected in the upper die (1) and lower die (3), the circulating water pipe (11) output and input are fixedly connected with water inlet and outlet (12).

3. A novel rubber seal molding die according to claim 1, characterized in that: The upper die (1) outside fixedly connected with four lifting die bolt (13).

4. A novel rubber seal molding die according to claim 1, characterized in that: The sliding plate (8) outside slidingly connected in the inner shell (6) inner wall.

5. A novel rubber seal molding die according to claim 1, characterized in that: The top rod (9) outside slidingly connected in the inner shell (6) lower side inside.

6. A novel rubber seal molding die according to claim 1, characterized by: The pressing plate (10) top and the inner shell (6) bottom between the abutment.

7. A novel rubber seal molding die according to claim 1, characterized in that: The pressing plate (10) outside is set in the lower die (3) inside.

8. A novel rubber seal molding die according to claim 2, characterized by: The circulating water pipe (11) is S-shaped around layout.