Heating mold for repairing rubber capsule of pressure forming equipment

By designing a heating mold to simultaneously heat the inner and outer walls of the rubber bladder, the problem of uneven heating was solved, thus improving the quality and efficiency of rubber bladder repair.

CN224044633UActive Publication Date: 2026-03-27王旭东
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The lack of appropriate tools in the current technology to heat the rubber bladder evenly results in uneven heating during the repair process, which affects the repair quality of the rubber bladder.

Method used

A heating mold was designed, comprising a lower heating mold, an upper mold cover, a three-jaw chuck body, and an arc-shaped heating plate. The heating module is controlled by a control module to simultaneously heat the inner and outer walls of the rubber bladder, ensuring uniform heating.

Benefits of technology

This ensures uniform heating throughout the rubber bladder, preventing defects after repair and improving repair quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heating mold for repairing a rubber capsule of pressure forming equipment, and belongs to the field of heating molds. The heating mold comprises a processing table, a cylindrical heating lower mold fixedly mounted on the processing table, an upper mold cover inserted on the heating lower mold and matched with the heating lower mold, a three-jaw chuck body fixedly mounted on the upper mold cover and used for fixing a rubber capsule, and three clamping jaws fixedly mounted on the three-jaw chuck body, a plurality of first arc-shaped heating plates which are evenly distributed in the circumferential direction and electrically connected with the heating module are fixedly installed on the inner side wall of the heating lower mold, and a plurality of second arc-shaped heating plates which are evenly distributed in the circumferential direction and electrically connected with the heating module are fixedly installed on the outer side wall of the supporting rod. The heating mold, the first arc-shaped heating plate and the second arc-shaped heating plate are heated, so that the inner wall and the outer wall of the rubber capsule are heated at the same time, all parts of the rubber capsule are uniformly heated, and flaws, caused by uneven temperature distribution, of the rubber capsule after repair are avoided.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of heating molds, and particularly relates to a heating mold for repairing a rubber capsule of a pressure forming device. BACKGROUND

[0002] A capsule vulcanizing machine is a special vulcanizing equipment for producing rubber capsule products, and is mainly used for cross-linking and curing forming of unvulcanized rubber raw materials through high-temperature and high-pressure treatment. When the capsule vulcanizing machine vulcanizes rubber products, preformed rubber blanks are placed in a mold, and the rubber capsule at the center of the mold is inflated to make the rubber capsule expand to support the blank, so that the rubber molecular chain is cross-linked through heating (steam or electric heating) and pressurizing to form a stable structure.

[0003] The rubber capsule of the capsule vulcanizing machine is a consumable part, and cracks and other damages are prone to occur on the surface during the continuous expansion and heat processing process. If the small cracks of some rubber capsules appear during use, the cost of direct replacement is high. Therefore, the small crack rubber capsules are usually inspected and repaired to improve the service life of the rubber capsules. However, when the rubber capsule is repaired, the rubber capsule needs to be heated to be more tightly bonded with the adhesive. However, the prior art lacks a corresponding tool for heating the rubber capsule, and uneven heating of the rubber capsule when the rubber capsule is heated may affect the subsequent repair quality of the rubber capsule.

[0004] Therefore, the application provides a heating mold for repairing a rubber capsule of a pressure forming device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The application provides a heating mold for repairing a rubber capsule of a pressure forming device, and aims to solve the problems that the prior art lacks a corresponding tool for heating the rubber capsule, and uneven heating of the rubber capsule when the rubber capsule is heated may affect the subsequent repair quality of the rubber capsule.

[0006] To achieve the above object, the application provides the following technical scheme: a heating mold for repairing a rubber capsule of a pressure forming device, comprising a machining table, a heating lower mold in a cylindrical shape fixedly installed on the machining table, an upper mold cover matched with the heating lower mold and inserted into the heating lower mold, a three-jaw chuck body fixedly installed on the upper mold cover and used for fixing the rubber capsule, and three clamping jaws fixedly installed on the three-jaw chuck body.

[0007] The control module is fixedly installed on one side of the heating lower mold, the heating module is electrically connected with the control module, the support rod is fixedly installed at the center position in the heating lower mold, a plurality of first arc-shaped heating plates are fixedly installed on the inner side wall of the heating lower mold and are electrically connected with the heating module, and the first arc-shaped heating plates are uniformly distributed in a circumferential direction.

[0008] The support rods are fixedly installed on the three clamping jaws and are used for supporting the rubber capsule. In use, the rubber capsule is sleeved on the three support rods from the inner wall, the three-jaw chuck body is adjusted, the support rods on the three clamping jaws are supported from the inner wall to fix the rubber capsule, the upper mold cover is combined with the heating lower mold, the rubber capsule enters the heating lower mold, the outer wall of the rubber capsule is arranged opposite to the first arc-shaped heating plate on the inner wall of the heating lower mold, the inner wall of the rubber capsule is arranged opposite to the second arc-shaped heating plate on the support rod in the heating lower mold, the heating module is started through the control module, the first arc-shaped heating plate and the second arc-shaped heating plate are heated, the inner and outer walls of the rubber capsule are heated at the same time, the rubber capsule is uniformly heated at each position, and defects of the rubber capsule after repair are avoided due to uneven temperature distribution.

[0009] Preferably, in order to further improve the heating efficiency, the first motor is fixedly installed on the outer side wall of the upper mold cover, and the output end of the first motor penetrates the upper mold cover and is fixedly connected with the three-jaw chuck body, so that each position is more uniformly heated, the heating efficiency is improved, and the quality of the soft rubber capsule is improved.

[0010] Preferably, in order to facilitate maintenance, bearings are fixedly installed on the outer side wall of the support rod at both end positions, and a rotating pipe is sleeved on the bearings and is concentrically arranged with the support rod, so that each position of the inner and outer walls of the rubber capsule is more completely maintained.

[0011] Preferably, in order to automatically take the material, the heating mold further comprises a telescopic mechanism, the telescopic mechanism comprises a support frame fixedly installed on the machining table, a second motor is fixedly installed on the outer side wall of the support frame, a lead screw extending into the support frame is fixedly installed on the output end of the second motor, the lead screw is rotatably installed on the support frame, a first connecting rod fixedly connected with the outer side wall of the upper mold cover is screwed on the lead screw, and the automatic taking and placing of the material are completed, so that the material is more safely taken and used without manual operation.

[0012] Preferably, in order to stabilize the upper mold cover, two symmetrically arranged slide rods are fixedly installed on the support frame at both sides of the lead screw, a second connecting rod fixedly connected with the outer side wall of the upper mold cover is slidably installed on the two slide rods, and the stability of the upper mold cover during movement is improved.

[0013] The heating mold, the rubber capsule is sleeved on the three supporting rods from the inner wall, the three-jaw chuck body is adjusted, the supporting rods on the three clamping jaws are supported and fixed from the inner wall, the upper mold cover is combined with the heating lower mold, the rubber capsule enters the heating lower mold, the outer wall of the rubber capsule is arranged opposite to the first arc-shaped heating plate on the inner wall of the heating lower mold, the inner wall of the rubber capsule is arranged opposite to the second arc-shaped heating plate on the supporting rod in the heating lower mold, then the heating module is started through the control module, the first arc-shaped heating plate and the second arc-shaped heating plate are heated, so that the inner and outer walls of the rubber capsule are heated at the same time, the rubber capsule is uniformly heated everywhere, and defects of the rubber capsule after repair caused by uneven temperature distribution are avoided.

[0014] The heating mold, the rubber capsule is sleeved on the three supporting rods from the inner wall, the three-jaw chuck body is adjusted, the supporting rods on the three clamping jaws are supported and fixed from the inner wall, the upper mold cover is combined with the heating lower mold, the rubber capsule enters the heating lower mold, the outer wall of the rubber capsule is arranged opposite to the first arc-shaped heating plate on the inner wall of the heating lower mold, the inner wall of the rubber capsule is arranged opposite to the second arc-shaped heating plate on the supporting rod in the heating lower mold, then the heating module is started through the control module, the first arc-shaped heating plate and the second arc-shaped heating plate are heated, so that the inner and outer walls of the rubber capsule are heated at the same time, the rubber capsule is uniformly heated everywhere, and defects of the rubber capsule after repair caused by uneven temperature distribution are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front structure schematic view of a heating mold for repairing a rubber capsule of a pressure forming equipment.

[0016] Figure 2 It is a back structure schematic view of a heating mold for repairing a rubber capsule of a pressure forming equipment.

[0017] Figure 3 It is a cross-sectional structure schematic view of a heating mold for repairing a rubber capsule of a pressure forming equipment.

[0018] Figure 4 It is a cross-sectional structure schematic view of a heating mold for repairing a rubber capsule of a pressure forming equipment.

[0019] Figure 5 It is a control module circuit connection schematic view.

[0020] Figure 6 It is a state schematic view of a heating mold for repairing a rubber capsule of a pressure forming equipment when the rubber capsule is fixed.

[0021] In the figure:

[0022] 1. Processing table; 2. Heated lower mold; 21. Support rod; 22. First arc-shaped heating plate; 23. Second arc-shaped heating plate; 24. Heating module; 25. Control module; 3. Upper mold cover; 31. Three-jaw chuck body; 32. Clamping jaw; 33. Support rod; 34. Bearing; 35. Rotary tube; 36. First motor; 4. Telescopic mechanism; 41. Support frame; 42. Second motor; 43. Lead screw; 44. First connecting rod; 45. Slide rod; 46. Second connecting rod. Detailed Implementation

[0023] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] Example 1

[0025] This embodiment provides a heated mold for repairing rubber bladders in pressure molding equipment, such as... Figures 1-6 As shown, the heating mold includes a processing table 1, a cylindrical heating lower mold 2 fixedly mounted on the processing table 1, an upper mold cover 3 inserted into the heating lower mold 2 and adapted to it, a three-jaw chuck body 31 fixedly mounted on the upper mold cover 3 for fixing the rubber bladder, and three jaws 32 fixedly mounted on the three-jaw chuck body 31.

[0026] A control module 25 is fixedly installed on one side of the heating lower mold 2 on the processing table 1. A heating module 24 electrically connected to the control module 25 is fixedly installed on the processing table 1. A support rod 21 is fixedly installed at the center of the heating lower mold 2. Several first arc-shaped heating plates 22, which are evenly distributed in the circumference and electrically connected to the heating module 24, are fixedly installed on the inner side wall of the heating lower mold 2. Several second arc-shaped heating plates 23, which are evenly distributed in the circumference and electrically connected to the heating module 24, are fixedly installed on the outer side wall of the support rod 21.

[0027] Each of the three grippers 32 is fixedly equipped with a support rod 33 for supporting the rubber bladder.

[0028] In use, the rubber capsule is sleeved on the three supporting rods 33 from the inner wall, the three-jaw chuck body 31 is adjusted so that the supporting rods 33 on the three clamping jaws 32 support and fix the rubber capsule from the inner wall, then the upper mold cover 3 is combined with the heated lower mold 2, so that the rubber capsule enters the heated lower mold 2, the outer wall of the rubber capsule is arranged opposite to the first arc-shaped heating plate 22 on the inner wall of the heated lower mold 2, and the inner wall of the rubber capsule is arranged opposite to the second arc-shaped heating plate 23 on the supporting rod 21 in the heated lower mold 2, then the heating module 24 is started by the control module 25 to heat the first arc-shaped heating plate 22 and the second arc-shaped heating plate 23, so that the inner and outer walls of the rubber capsule are heated at the same time, the rubber capsule is uniformly heated everywhere, and defects of the rubber capsule after repair are avoided due to uneven temperature distribution.

[0029] Specifically, the first motor 36 is fixedly installed on the outer side wall of the upper mold cover 3, and the output end of the first motor 36 penetrates the upper mold cover 3 and is fixedly connected with the three-jaw chuck body 31.

[0030] In use, when the rubber capsule is installed on the upper mold cover 3 and sent into the heated lower mold 2 for heating, the first motor 36 is started to drive the three-jaw chuck body 31 to rotate, so that the rubber capsule rotates in the heated lower mold 2, the heating is more uniform everywhere, the heating efficiency is improved, and the quality of the softened rubber capsule is improved.

[0031] More specifically, bearings 34 are fixedly installed on the outer side walls of the supporting rods 33 at both end positions, and a rotating pipe 35 is sleeved on the bearings 34 and is concentrically arranged with the supporting rods 33.

[0032] In use, after the rubber capsule is heated, the rubber capsule needs to be repaired, the rubber capsule can be rotated by clamping with pliers, the rotating pipe 35 supports the rubber capsule, and the rubber capsule is rotated on the supporting rods 33 through the bearings 34, so that the contact surface between the inner wall of the rubber capsule and the rotating pipe 35 can change position, so that the inner and outer walls of the rubber capsule can be more completely repaired.

[0033] Embodiment 2

[0034] Different from embodiment 1, the rubber capsule is not safe after being heated and manually taken out, therefore, the heating mold further comprises a telescopic mechanism 4, the telescopic mechanism 4 comprises a supporting frame 41 fixedly installed on the machining table 1, a second motor 42 is fixedly installed on the outer side wall of the supporting frame 41, a lead screw 43 extending in the supporting frame 41 is fixedly installed on the output end of the second motor 42, the lead screw 43 is rotatably installed on the supporting frame 41, and a first connecting rod 44 fixedly connected with the outer side wall of the upper mold cover 3 is screwed on the lead screw 43.

[0035] When in use, after the rubber capsule is fixed on the three-jaw chuck body 31, the second motor 42 is started to drive the screw rod 43 to rotate, the screw rod 43 drives the upper die cover 3 on the first connecting rod 44 to move transversely, the rubber capsule is sent into the heating lower die 2 to be heated, after the heating is completed, the second motor 42 is started again to reverse the screw rod 43, the rubber capsule on the three-jaw chuck body 31 is taken out of the heating lower die 2, the automatic material taking and placing is completed, manual taking is not needed, and it is safer.

[0036] It should be noted that when the upper die cover 3 is hoisted through the first connecting rod 44, the upper die cover 3 and the heating lower die 2 are arranged in a concentric and aligned manner.

[0037] Further, two symmetrically arranged slide rods 45 are fixedly installed on the support frame 41 on both sides of the screw rod 43, and the second connecting rod 46 fixedly connected with the outer side wall of the upper die cover 3 is slidably installed on the two slide rods 45.

[0038] When in use, when the screw rod 43 drives the upper die cover 3 on the first connecting rod 44 to move, the second connecting rod 46 supports the upper die cover 3 from both sides of the upper die cover 3, slides on the two slide rods 45, stabilizes the upper die cover 3, prevents shaking, and improves the stability of the upper die cover 3 when moving.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A heating mold for repairing a rubber bladder of a pressure forming equipment, comprising a machining table (1), a heating lower mold (2) fixedly installed on the machining table (1) and arranged in a cylindrical shape, an upper mold cover (3) adapted to the heating lower mold (2) and inserted into the heating lower mold (2), a three-jaw chuck body (31) fixedly installed on the upper mold cover (3) and used for fixing the rubber bladder, and three clamping jaws (32) fixedly installed on the three-jaw chuck body (31), characterized in that: a control module (25) is fixedly installed on one side of the heating lower mold (2) on the machining table (1), a heating module (24) electrically connected to the control module (25) is fixedly installed on the machining table (1), a support rod (21) is fixedly installed at a central position in the heating lower mold (2), a plurality of first arc-shaped heating plates (22) electrically connected to the heating module (24) are fixedly installed on the inner side wall of the heating lower mold (2) and uniformly distributed in a circumferential direction, and a plurality of second arc-shaped heating plates (23) electrically connected to the heating module (24) are fixedly installed on the outer side wall of the support rod (21) and uniformly distributed in a circumferential direction. A support rod (33) for supporting the rubber bladder is fixedly installed on each of the three clamping jaws (32). A first motor (36) is fixedly installed on the outer side wall of the upper mold cover (3), and the output end of the first motor (36) penetrates through the upper mold cover (3) and is fixedly connected to the three-jaw chuck body (31).

2. A heated mold for repairing a rubber bladder of a pressure forming apparatus according to claim 1, characterized in that: Bearings (34) are fixedly installed at both end positions on the outer side wall of the support rod (33), and a rotating tube (35) concentrically arranged with the support rod (33) is sleeved on the bearings (34).

3. A heated mold for repairing a rubber bladder of a pressure forming apparatus according to claim 1, characterized in that: The heating mold further comprises a telescopic mechanism (4), the telescopic mechanism (4) comprises a support frame (41) fixedly installed on the machining table (1), a second motor (42) is fixedly installed on the outer side wall of the support frame (41), a lead screw (43) fixedly installed on the output end of the second motor (42) and extending into the support frame (41) is arranged, the lead screw (43) is rotationally installed on the support frame (41), and a first connecting rod (44) fixedly connected to the outer side wall of the upper mold cover (3) is screwed on the lead screw (43).

4. A heated mold for repairing a rubber bladder of a pressure forming apparatus according to claim 1, characterized in that: Two symmetrically arranged slide rods (45) are fixedly installed on the support frame (41) on both sides of the lead screw (43), and a second connecting rod (46) fixedly connected to the outer side wall of the upper mold cover (3) is slidingly installed on each of the two slide rods (45).

5. A heated mold for repairing a rubber bladder of a pressure forming apparatus according to claim 4, characterized in that: ​