Expansion drum capsule manufacturing mold

By designing a mold for making inflatable capsules, the problems of complex manufacturing process and low efficiency in existing technologies have been solved, enabling rapid assembly, accurate positioning, and efficient production of capsules of different lengths and thicknesses.

CN224012775UActive Publication Date: 2026-03-20PRINX CHENGSHAN (SHANDONG) TIRE COMPANY LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing process for manufacturing inflatable capsules is complex, inefficient, and difficult to meet the production needs of capsules of different lengths and thicknesses.

Method used

A mold for making an expansion capsule was designed, comprising a forming cylinder, a left mold, a right mold, and connecting parts. The parts are fixed together by bolts, and a ventilation channel and a quick-connect port are provided. The interlocking of annular protrusions and grooves enables rapid assembly and positioning, ensuring the capsule can be clamped and released quickly.

Benefits of technology

It improves capsule production efficiency, can meet the needs of capsules of different lengths and thicknesses, is simple and easy to operate, allows for rapid cooling and demolding, and ensures accurate and seamless positioning, thus improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an expansion drum capsule manufacturing die which comprises a forming cylinder, a left die, a right die and a connecting piece, the forming cylinder, the left die, the connecting piece and the right die are sequentially and fixedly connected through bolts, and the diameters of the forming cylinder, the left die and the right die are the same and are smaller than the diameter of the connecting piece. Clamping spaces are reserved between the left mold body and the connecting piece and between the right mold body and the connecting piece, the clamping spaces are used for clamping the two ends of the capsule, the capsule manufacturing mold is simple and easy to understand in the operation process, a person without rich experience can rapidly operate the capsule manufacturing mold, the capsule manufacturing efficiency is greatly improved, and the capsule manufacturing cost is reduced. And the manufacturing requirements of capsules with different lengths and different thicknesses can be met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air spring manufacturing technical field, especially a kind of inflation drum capsule making mould. BACKGROUND

[0002] Air spring is mainly applied to the suspension system of railway vehicle in early stage, to improve the comfort of ride and reduce the impact of vehicle on track. With the continuous progress of technology, air spring is gradually applied to automobile, industrial machinery, aerospace and other fields. In recent years, with the popularization of technology and the reduction of cost, more and more ordinary models also begin to use air spring.

[0003] The rubber air bag of air spring, i.e. blastula, is prone to appearance defects such as lack of glue and bubbles during vulcanization process, so it is necessary to pierce and exhaust the rubber part. In the process of developing the piercing equipment for air spring blastula, a capsule inflation drum device is needed to fix the position of blastula, and the core component of the inflation drum device is capsule. The existing inflation drum capsule manufacturing process is complex, low in efficiency, and difficult to meet the production needs of capsules of different lengths and thicknesses. Therefore, a kind of inflation drum capsule making mould is needed to meet the use requirements of air spring blastula piercing equipment. SUMMARY

[0004] The utility model aims at solving the technical deficiency of the above, provide a kind of inflation drum capsule making mould.

[0005] Therefore, the utility model provides a kind of inflation drum capsule making mould, including forming cylinder, left mould, right mould and connecting piece, the forming cylinder, the left mould, the connecting piece and the right mould are sequentially connected by bolt fixation, the diameter of the forming cylinder, the left mould and the right mould is same and less than the diameter of the connecting piece, and the left mould and the connecting piece, the right mould and the connecting piece are left with clamping space, and the clamping space is used to clamp the two ends of capsule.

[0006] Preferably, the connecting piece is provided with a ventilation channel, and the ventilation channel is communicated with the left mould or the right mould.

[0007] Preferably, the forming cylinder is provided with annular protrusion one, the left mould is provided with annular groove one, and the annular protrusion one is matched with the annular groove one.

[0008] Preferably, the left mould is provided with annular protrusion two away from the forming cylinder, the left side of the connecting piece is provided with annular protrusion three, the annular protrusion three is inserted into the groove two surrounded by the annular protrusion two, and the protrusion height of the annular protrusion two is matched with the clamping width of the clamping space.

[0009] Preferably, the right side of the connecting piece is provided with a ring-shaped protrusion four, and the right mold is provided with a groove three, and the ring-shaped protrusion four is matched and inserted with the groove three.

[0010] Preferably, the left mold or the right mold is provided with a quick insertion port, the quick insertion port is communicated with the ventilation channel, and the quick insertion port inputs cold air through a quick insertion pipeline.

[0011] The inflatable drum capsule manufacturing mold has the following beneficial effects.

[0012] (1) The initial adhesive tape is attached to the forming cylinder and the left mold, and then the two ends of the capsule are fixed and formed under the action of the connecting piece and the right mold. After vulcanization, the capsule is applied to the inflatable drum. The capsule manufacturing mold is simple and easy to understand, and personnel without rich experience can quickly operate, greatly improving the manufacturing efficiency of the capsule and meeting the manufacturing needs of capsules of different lengths and thicknesses.

[0013] (2) The left mold or the right mold is communicated with the ventilation channel through the quick insertion port. After the capsule is vulcanized, the quick insertion pipeline can be quickly inserted into the quick insertion port, so that cold air quickly enters the left mold, the right mold and the connecting piece, and acts on the lower surface of the capsule through the ventilation channel, so that the capsule quickly separates from the left mold, the right mold and the connecting piece, and the capsule is easily taken out subsequently.

[0014] (3) The mutual embedding of the ring-shaped protrusion and the groove not only quickly assembles the mold, but also makes the positioning more accurate and the cooperation more close, and can also avoid leaving gaps between the components, which affects the normal preparation of the capsule. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a structure diagram of the inflatable drum capsule manufacturing mold in the embodiment;

[0016] Fig. 2 is an exploded view of the inflatable drum capsule manufacturing mold in the embodiment;

[0017] Fig. 3 is a sectional view of the inflatable drum capsule manufacturing mold in the embodiment.

[0018] Marked in the figure: 1, forming cylinder; 2, left mold; 3, right mold; 4, connecting piece; 5, clamping space; 6, capsule; 7, ventilation channel; 8, ring-shaped protrusion one; 9, ring-shaped groove one; 10, ring-shaped protrusion two; 11, ring-shaped protrusion three; 12, groove two; 13, ring-shaped protrusion four; 14, groove three; 15, quick insertion port. DETAILED DESCRIPTION

[0019] The utility model is further illustrated below in combination with the drawings and specific embodiments to help understand the contents of the utility model. The method used in the utility model is conventional if no special provision; the raw materials and devices used are conventional if no special provision.

[0020] Embodiments:

[0021] As Figs. 1-3 shown, the utility model provides a kind of expansion drum capsule making mould, including forming cylinder 1, left mould 2, right mould 3 and connecting piece 4, the forming cylinder 1, the left mould 2, the connecting piece 4 and the right mould 3 are sequentially connected by bolt fixation, it is convenient to install and disassemble, the diameter of the forming cylinder 1, the left mould 2 and the right mould 3 is identical and less than the diameter of the connecting piece 4, since in the preparation process of capsule 6, capsule 6 needs to be reversed package, to support the reversed package capsule 6 to a certain effect, therefore, the diameter of connecting piece 4 is equal to the diameter of left mould 2 plus the thickness of capsule 6, there is clamping space 5 between the left mould 2 and the connecting piece 4, between the right mould 3 and the connecting piece 4, the clamping space 5 is used to clamp the both ends of capsule 6, and the clamping space 5 is compatible with the thickness of capsule 6.

[0022] Further, air passage 7 is formed in the connecting piece 4, and the air passage 7 is communicated with the left mould 2 or the right mould 3. The air passage 7 is arranged to facilitate the timely introduction of cold air into the lower surface of the capsule 6 after vulcanization of the capsule 6, which helps to quickly cool the capsule 6 away from the left mould 2, the right mould 3 and the connecting piece 4.

[0023] Further, annular protrusion one 8 is arranged on the forming cylinder 1, annular groove one 9 is formed in the left mould 2, and the annular protrusion one 8 is adaptively inserted into the annular groove one 9, so as to facilitate the quick installation of the left mould 2 on the forming cylinder 1.

[0024] Further, annular protrusion two 10 is arranged on the side of the left mould 2 away from the forming cylinder 1, annular protrusion three 11 is arranged on the left side of the connecting piece 4, the annular protrusion three 11 is inserted into recessed groove two 12 surrounded by the annular protrusion two 10, and the protruding height of the annular protrusion two 10 is compatible with the clamping width of the clamping space 5.

[0025] Further, annular protrusion four 13 is arranged on the right side of the connecting piece 4, and recessed groove three 14 is formed in the right mould 3, and the annular protrusion four 13 is adaptively inserted into the recessed groove three 14.

[0026] Under the mutual embedding of the annular protrusions and the recessed grooves, not only the assembly of the mould can be quickly completed, the positioning is more accurate, the cooperation is more compact, but also the gap between the components except the clamping space 5 can be avoided, which affects the normal preparation of the capsule 6.

[0027] Further, the left mold 2 or the right mold 3 is provided with a quick socket 15, the quick socket 15 is communicated with the ventilation channel 7, and the quick socket 15 inputs cold air through a quick insertion pipeline.

[0028] The left mold 2 or the right mold 3 is communicated with the ventilation channel 7 through the quick socket 15, when the capsule 6 is vulcanized, the quick insertion pipeline is quickly inserted in the quick socket 15, so that the cold air quickly enters the left mold 2, the right mold 3 and the connecting piece 4, and acts on the lower surface of the capsule 6 through the ventilation channel 7, so that the capsule 6 is quickly separated from the left mold 2, the right mold 3 and the connecting piece 4, and the capsule 6 is convenient to take out subsequently.

[0029] The working principle is as follows:

[0030] The left mold 2 and the forming cylinder 1 are fixedly connected by bolts, then the corresponding thickness and length of the capsule 6 are pasted on the forming cylinder 1 and the left mold 2, one end of the capsule 6 close to the left mold 2 extends to the edge of the right side of the left mold 2, then the connecting piece 4 is fixedly installed on the left mold 2 by bolts, the capsule 6 at the edge of the right side of the left mold 2 is compacted and fixed, then the other end of the capsule 6 is manually reversed to the flange on the right side of the connecting piece 4, then the right mold 3 is fixedly installed on the connecting piece 4 by bolts, the capsule 6 at the flange on the right side of the connecting piece 4 is compacted and fixed, the reversed capsule 6 is continuously manually reversed to the right mold 3, until the capsule 6 is symmetrical, after adjustment, the forming cylinder 1 is removed, the capsule 6, the left mold 2, the connecting piece 4 and the right mold 3 are sent into a vulcanization tank to vulcanize, after vulcanization, the quick insertion pipeline is quickly inserted in the quick socket 15, so that the cold air quickly enters the left mold 2, the right mold 3 and the connecting piece 4, and acts on the lower surface of the capsule 6 through the ventilation channel 7, so that the capsule 6 is quickly separated from the left mold 2, the right mold 3 and the connecting piece 4, after deflation, the bolts between the left mold 2, the right mold 3 and the connecting piece 4 are removed, and the capsule 6 is taken down.

[0031] In the description of the present application, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "intermediate" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0032] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application, so the replacement of equivalent components or equivalent changes and modifications made within the scope of the present application patent protection should still belong to the scope covered by the claims of the present application.

Claims

1. A mold for making an expansion drum capsule, characterized in that, The device includes a forming cylinder (1), a left mold (2), a right mold (3), and a connector (4). The forming cylinder (1), the left mold (2), the connector (4), and the right mold (3) are sequentially fixed together by bolts. The forming cylinder (1), the left mold (2), and the right mold (3) have the same diameter and are all smaller than the diameter of the connector (4). There is a clamping space (5) between the left mold (2) and the connector (4) and between the right mold (3) and the connector (4). The clamping space (5) is used to clamp the two ends of the capsule (6).

2. The mold for making an expansion drum capsule according to claim 1, characterized in that, The connector (4) is provided with a ventilation channel (7), which is connected to the left mold (2) or the right mold (3).

3. The mold for making an expansion drum capsule according to claim 1, characterized in that, The forming cylinder (1) is provided with an annular protrusion (8), and the left mold (2) is provided with an annular groove (9). The annular protrusion (8) and the annular groove (9) are adapted to be inserted into each other.

4. The mold for making an expansion drum capsule according to claim 1, characterized in that, The left mold (2) has an annular protrusion two (10) on the side away from the forming cylinder (1), and the connector (4) has an annular protrusion three (11) on the left side. The annular protrusion three (11) is inserted into the groove two (12) formed by the annular protrusion two (10). The protrusion height of the annular protrusion two (10) is adapted to the clamping width of the clamping space (5).

5. A mold for making an expansion drum capsule according to claim 1, characterized in that, The connector (4) has an annular protrusion four (13) on its right side, and the right mold (3) has a groove three (14) which is adapted to be inserted into the groove three (14).

6. A mold for making an expansion drum capsule according to claim 2, characterized in that, The left mold (2) or the right mold (3) is provided with a quick-connect port (15), which is connected to the ventilation channel (7). Cold air is introduced into the quick-connect port (15) through the quick-connect pipe.