High-temperature-resistant synchronous belt sealing strip mold for vulcanizing tank

By adopting two sets of mold opening grooves, bumps and limiting components in the rubber strip mold, the existing mold processing efficiency and misalignment problems are solved, and the quality of the sealing ring and injection molding stability are improved.

CN222346144UActive Publication Date: 2025-01-14ZHEJIANG HERZ POWER TRANSMISSION CO LTD
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Patent Information

Application Number
CN202421054615.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-01-14
Estimated Expiration
2034-05-15

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Abstract

The utility model discloses a high-temperature-resistant synchronous belt sealing strip mould for a vulcanizing tank, which relates to the technical field of rubber strip moulds and comprises a lower mould plate and an upper mould plate, two groups of mould opening grooves are arranged on the inner wall of the lower mould plate, a limit groove is arranged at one end of the lower mould plate close to a central point, and the limit groove is communicated with the upper mould plate. A connecting assembly for limiting the upper die plate is arranged on the inner wall of the lower die plate, the connecting assembly comprises a contact block, a clamping block and a connecting block, and one end of the contact block is clamped with the clamping block. According to the utility model, through the arrangement of the two groups of mold opening grooves and the convex blocks, when an injection molding machine operates a larger sealing ring, the two groups of sealing rings can be subjected to injection molding at the same time, so that the working efficiency of the mold is improved, and through the arrangement of the connecting assembly, the upper mold and the lower mold of the injection molding machine are not easy to shake when being extruded in the equipment; the lower mold plate and the upper mold plate are effectively limited, the stability of the injection molding machine in the injection molding process is improved, and then the quality of the sealing ring is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rubber strip moulds, in particular to a mould for a high temperature resistant synchronous belt sealing strip for a vulcanizing tank. Background Art

[0002] The main materials of the sealing rings of the vulcanization tank are butyl rubber, silicone rubber, EPDM rubber, fluororubber, etc., mainly silicone rubber sealing rings. The vulcanization tank is mainly used for the vulcanization of rubber products such as rubber-sheathed cables, rubber shoes, rubber hoses, rubber rollers, rubber tapes, leather balls, rubber linings, rubber cloth, rubber heads, etc.

[0003] Mold sealing ring is a commonly used sealing part in the injection molding process. Its main function is to ensure the airtightness between the injection molding machine and the mold. The rubber strip mold is a tool used in the manufacturing industry to manufacture rubber strips of different shapes and sizes. The rubber strip mold can be used to produce a variety of different rubber strip products, such as sealing strips, waterproof strips and rubber strips.

[0004] In the prior art, the rubber strip is placed in the mold, and then the mold is placed on the injection molding machine. The injection molding machine heats and extrude the rubber strip in the mold chamber. After molding, the gripper on the injection molding machine lifts up the upper mold to facilitate the user to take out the sealing ring formed in the lower mold. For larger sealing rings, the injection molding machine mostly extrude one group of rubber strips at a time, which reduces the working efficiency of the mold. Secondly, there is sometimes a slight misalignment between the upper mold and the lower mold during extrusion in the equipment, which reduces the quality of the sealing ring. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a mold for a high temperature resistant synchronous belt sealing strip for a vulcanizing tank to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold for a high-temperature resistant synchronous belt sealing strip for a vulcanization tank, comprising a lower template and an upper template, the inner wall of the lower template is provided with mold opening grooves, and the number of the mold opening grooves is two groups, and a limiting groove is provided at one end of the lower template close to the center point, the inner wall of the lower template is provided with a connecting component for limiting the upper template, the connecting component comprises a contact block, a clamping block and a connecting block, and one end of the contact block is clamped with the clamping block.

[0007] By adopting the above technical scheme and setting two groups of mold opening grooves and protrusions, the injection molding machine can simultaneously perform injection molding of two groups of sealing rings when operating on a larger sealing ring, thereby improving the working efficiency of the mold and reducing energy consumption. By setting the connecting components, the upper mold and the lower mold of the injection molding machine are not prone to shaking during extrusion in the equipment, and the lower template and the upper template are effectively limited, thereby improving the stability of the injection molding machine during the injection molding process, thereby improving the quality of the sealing ring.

[0008] The utility model is further configured that the inner wall of the lower template is also provided with a groove and a spring, and the grooves of the inner walls of the lower template and the upper template are arranged oppositely.

[0009] By adopting the above technical solution, the grooves on the inner walls of the lower template and the upper template are arranged relative to each other, and the arrangement of the grooves facilitates the spring to limit the position of the contact block.

[0010] The utility model is further configured that a positioning block is provided at one end of the upper template close to the lower template, and the positioning block is engaged with the limiting groove.

[0011] By adopting the above technical solution, it is convenient for the staff to calibrate the insertion of the protrusion into the mold groove and limit the lower mold plate and the upper mold plate.

[0012] The utility model is further configured that the contact block is located on the inner wall of the upper template, one end of the contact block is connected to the spring, and the contact block and the spring are located on the inner wall of the groove.

[0013] By adopting the above technical solution, a cavity is provided at one end of the contact block close to the lower template, and a clamping block is sleeved on the inner wall of the cavity.

[0014] The utility model is further configured that the clamping block is arranged in the groove of the inner wall of the lower template, and the outer wall of the clamping block is also sleeved with a spring.

[0015] By adopting the above technical solution, the top of the spring contacts one end of the contact block, so as to buffer the force of the contact block pressing downward.

[0016] The utility model is further configured that a connecting block is provided at the bottom of the clamping block, and the connecting block is movably connected to the lower template.

[0017] By adopting the above technical solution, the top of the connecting block is connected to the clamping block, so as to limit the position of the clamping block.

[0018] The utility model is further configured that a convex block is provided at one end of the upper template close to the lower template, and the number of the convex blocks is two groups, and the convex blocks are engaged with the mold opening grooves.

[0019] By adopting the above technical solution, two sets of sealing rings can be injection molded at the same time, thereby improving the working efficiency of the mold.

[0020] The utility model is further configured that the outer walls of the lower template and the upper template are both provided with handles, and the handles are connected to the lower template and the upper template in an inclined state.

[0021] By adopting the above technical solution, the handle is inclined, and the handles on the outer walls of the lower template and the upper template are arranged relatively to each other, which makes it easy for the equipment gripper to move the upper template upward.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] 1. The utility model provides two groups of mold opening grooves and convex blocks, so that when the injection molding machine operates on a larger sealing ring, two groups of sealing rings can be injected at the same time, thereby improving the working efficiency of the mold and reducing energy consumption.

[0024] 2. The utility model sets a connection component so that the upper mold and the lower mold of the injection molding machine are not prone to shaking during extrusion in the equipment, effectively limits the lower mold plate and the upper mold plate, improves the stability of the injection molding machine during the injection molding process, and further improves the quality of the sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a cross-sectional schematic diagram of the lower template and the upper template of the utility model;

[0026] Figure 2 It is a schematic diagram of the top surface of the lower template of the utility model;

[0027] Figure 3 It is an enlarged view of point A of the utility model;

[0028] Figure 4 It is a schematic diagram of the upper template structure of the utility model.

[0029] In the figure: 1. lower template; 10. mold opening groove; 11. limit groove; 2. upper template; 20. positioning block; 21. protrusion; 22. groove; 3. connecting component; 30. contact block; 31. clamping block; 32. connecting block; 4. handle. DETAILED DESCRIPTION

[0030] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0031] The following describes an embodiment of the utility model based on its overall structure.

[0032] Embodiment 1

[0033] A mold for a high temperature resistant synchronous belt sealing strip for a vulcanizing tank, such as Figure 1 - Figure 4As shown, it includes a lower template 1 and an upper template 2. The inner wall of the lower template 1 is provided with mold grooves 10, and the number of the mold grooves 10 is two groups. A limiting groove 11 is provided at one end of the lower template 1 close to the center point. The inner wall of the lower template 1 is provided with a connecting component 3 for limiting the upper template 2. The connecting component 3 includes a contact block 30, a clamping block 31 and a connecting block 32. One end of the contact block 30 is engaged with the clamping block 31. Through the arrangement of the two groups of mold grooves 10 and the protrusion 21, when the injection molding machine operates on a larger sealing ring, two groups of sealing rings can be injection molded at the same time, which improves the working efficiency of the mold and reduces energy consumption. Through the arrangement of the connecting component 3, it is not easy for the upper mold and the lower mold of the injection molding machine to move when extruding in the equipment, and the lower template 1 and the upper template 2 are effectively limited, which improves the stability of the injection molding machine during the injection molding process, thereby improving the quality of the sealing ring.

[0034] See also Figure 1 , Figure 2 and Figure 4 The inner wall of the upper template 2 is provided with a groove 22, and the inner wall of the groove 22 is provided with a spring. The inner wall of the lower template 1 is also provided with a groove 22 and a spring, and the grooves 22 on the inner walls of the lower template 1 and the upper template 2 are arranged relatively. The arrangement of the groove 22 facilitates the spring to limit the position of the contact block 30.

[0035] See also Figure 1 , Figure 4 A positioning block 20 is provided at one end of the upper template 2 close to the lower template 1, and the positioning block 20 is engaged with the limiting groove 11. The engagement of the positioning block 20 and the limiting groove 11 makes it convenient for the staff to calibrate the protrusion 21 inserted into the mold groove 10 and limit the lower template 1 and the upper template 2.

[0036] See also Figure 1 - Figure 4 The contact block 30 is located on the inner wall of the upper template 2, and one end of the contact block 30 is connected to the spring, and the contact block 30 and the spring are located on the inner wall of the groove 22. A cavity is provided at one end of the contact block 30 close to the lower template 1, and a clamping block 31 is sleeved on the inner wall of the cavity.

[0037] See also Figure 3 The card block 31 is arranged in the groove 22 of the inner wall of the lower template 1, and the outer wall of the card block 31 is also sleeved with a spring, the top of the spring contacts one end of the contact block 30 to buffer the force of the contact block 30 pressing downward.

[0038] See also Figure 3 A connecting block 32 is provided at the bottom of the card block 31 , and the connecting block 32 is movably connected to the lower template 1 , and the top of the connecting block 32 is connected to the card block 31 to limit the position of the card block 31 .

[0039] See also Figure 1 , Figure 2 and Figure 4 A lug 21 is provided at one end of the upper template 2 close to the lower template 1, and the number of the lugs 21 is two groups, and the lugs 21 are engaged with the mold groove 10, so that when the injection molding machine operates on a larger sealing ring, two groups of sealing rings can be injected at the same time, thereby improving the working efficiency of the mold.

[0040] Embodiment 2

[0041] See also Figure 1 , Figure 2 and Figure 4 The difference between the second embodiment and the first embodiment is that on the basis of retaining the first embodiment, the handle 4 is inclined, and the handles 4 on the outer walls of the lower template 1 and the upper template 2 are arranged relatively to facilitate the equipment gripper to move the upper template 2 upward:

[0042] Handles 4 are provided at both ends of the lower template 1 and the upper template 2, and the handles 4 are U-shaped and fixedly connected to the lower template 1 and the upper template 2, and the side walls of the handles 4 are inclined. Secondly, the handles 4 on the outer walls of the lower template 1 and the upper template 2 are relatively arranged to form a trumpet shape, which is convenient for the gripper of the equipment to pick up the upper template 2 and greatly reduces the contact between the gripper and the handle 4 on the outer wall of the lower template 1.

[0043] The working principle of the utility model is:

[0044] When it is necessary to use an injection molding machine to make a sealing ring, first place the sealing ring making device on the equipment, connect the lower template 1 to the equipment workbench by bolts, then place the rubber strips in the two sets of mold opening grooves 10 respectively, and then place the upper template 2 on the top of the lower template 1 again, so that the contact block 30 in the upper template 2 is engaged with the clamping block 31 in the lower template 1, so that the contact block 30 is located between the lower template 1 and the upper template 2 to limit the two, so as to reduce the shaking of the lower template 1 and the upper template 2 when the injection molding machine extrude the rubber strip. Secondly, a positioning block 20 is provided at one end of the upper template 2, and a limiting groove 11 is provided on the inner wall of the lower template 1, and the positioning block 20 is engaged with the limiting groove 11;

[0045] Furthermore, handles 4 are provided at both ends of the outer walls of the lower template 1 and the upper template 2, and the side walls of the handles 4 are inclined, and the handles 4 on the outer walls of the lower template 1 and the upper template 2 are relatively arranged, which is convenient for the gripper on the injection molding machine to grab the handle 4 on the outer wall of the upper template 2, thereby improving the stability of the injection molding machine driving the upper template 2 to move upward, thereby improving the efficiency of the equipment operation.

[0046] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A mold for a high temperature resistant synchronous belt sealing strip for a vulcanizing tank, comprising a lower mold plate (1) and an upper mold plate (2), characterized in that: The inner wall of the lower template (1) is provided with mold opening grooves (10), and the number of the mold opening grooves (10) is two groups, and a limiting groove (11) is provided at one end of the lower template (1) close to the center point, and the inner wall of the lower template (1) is provided with a connecting component (3) for limiting the upper template (2), and the connecting component (3) comprises a contact block (30), a clamping block (31) and a connecting block (32), and one end of the contact block (30) is clamped with the clamping block (31).

2. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: The inner wall of the upper template (2) is provided with a groove (22), and the inner wall of the groove (22) is provided with a spring. The inner wall of the lower template (1) is also provided with a groove (22) and a spring, and the grooves (22) on the inner walls of the lower template (1) and the upper template (2) are arranged relative to each other.

3. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 2, characterized in that: A positioning block (20) is provided at one end of the upper template (2) close to the lower template (1), and the positioning block (20) is engaged with the limiting groove (11).

4. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: The contact block (30) is located on the inner wall of the upper mold plate (2), one end of the contact block (30) is connected to a spring, and the contact block (30) and the spring are located on the inner wall of the groove (22).

5. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: The clamping block (31) is arranged in the groove (22) on the inner wall of the lower template (1), and a spring is also sleeved on the outer wall of the clamping block (31).

6. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: A connecting block (32) is provided at the bottom of the clamping block (31), and the connecting block (32) is movably connected to the lower template (1).

7. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: A convex block (21) is provided at one end of the upper mold plate (2) close to the lower mold plate (1), and the number of the convex blocks (21) is two groups, and the convex blocks (21) are engaged with the mold opening groove (10).

8. The mold of a high temperature resistant synchronous belt sealing strip for a vulcanizing tank according to claim 1, characterized in that: The outer walls of the lower template (1) and the upper template (2) are both provided with handles (4), and the handles (4) are connected to the lower template (1) and the upper template (2) in an inclined manner.