Rubber seal ring trimming device

Abstract

The utility model discloses a rubber sealing ring trimming device, including auxiliary wheel subassembly, abutting rod and support seat. Auxiliary wheel subassembly contains wheel body, wheel shaft, sprocket and brake disc, and wheel shaft is worn wheel body center, and sprocket is with brake disc sleeve in wheel shaft and brake disc is located between wheel body and sprocket, abutting rod is equipped with mounting portion and abutting portion, and mounting portion is sleeved outside the rod piece, and abutting portion is contacted with sealing ring and wheel body, and support seat is U -shaped block, and sets up wheel shaft and limits wheel body. The device is through each structure cooperation, and solves the problem that the existing device is not stable, and controllability is poor, and improves trimming precision and efficiency.

Description

Technical Field

[0001] This utility model provides a trimming device, and particularly relates to a trimming device for rubber sealing rings. Background Technology

[0002] In the rubber sealing ring production process, the trimming device is a key piece of equipment to ensure the dimensional accuracy and appearance quality of the product, used to remove excess scrap after the sealing ring is formed. From an industry application perspective, rubber sealing rings are widely used in sealing scenarios, where dimensional accuracy requirements are stringent, making the trimming device increasingly crucial. While existing devices can achieve basic trimming, their structural design is rudimentary: taking conventional trimming devices as an example, they mostly adopt a basic structure of "support + simple pressure block + cutter," where the support only serves as a load-bearing element, the pressure block simply presses against the sealing ring, and the cutter performs linear reciprocating or rotary cutting.

[0003] Existing rubber seal ring trimming devices mostly rely on simple supports to hold the seal rings to be trimmed, working in conjunction with a single cutting tool or pressure component. The support provides basic support, the pressure component provides rough positioning, and the cutting tool performs the cutting action. However, this approach has significant shortcomings: Firstly, the positioning stability of the seal ring is poor. Relying solely on a simple support and pressure component is insufficient to counteract the offset caused by the cutting force during trimming, easily leading to positional changes in the seal ring during trimming, resulting in low trimming accuracy and poor dimensional consistency. Secondly, the lack of effective integration and adaptation design for key rotating components in the trimming operation results in weak controllability of the trimming process, making it difficult to guarantee trimming efficiency and quality, and failing to meet the demands of high-precision production. Utility Model Content

[0004] In order to solve the above problems, this application provides a rubber sealing ring trimming device, which solves the problems of unstable positioning and poor rotation controllability during rubber sealing ring trimming, improves trimming accuracy and efficiency, and meets the production needs of high-quality sealing rings.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a rubber sealing ring trimming device, characterized in that it includes an auxiliary wheel assembly and a stop rod; Preferably, the axle passes through the center of the wheel body, the sprocket is sleeved on one end of the axle and is coaxial with the wheel body; the stop rod is a long rod shape, used to cooperate with the auxiliary wheel assembly to trim the rubber sealing ring.

[0006] Preferably, the auxiliary wheel assembly further includes a brake disc, which is sleeved on the axle and located between the wheel body and the sprocket, with the disc surface parallel to the axial end face of the wheel body.

[0007] Preferably, it also includes a support base, which is a U-shaped block with grooves for accommodating the wheel body structure. The two ends of the wheel axle are mounted on the support base, allowing the wheel body to rotate relative to the support base.

[0008] Preferably, the shape of the support seat groove is adapted to the wheel body, and the wheel body is partially embedded in the groove. When the wheel body rotates, the support seat provides limiting support for the wheel body.

[0009] Preferably, one end of the abutment is provided with a mounting part for connecting with an external structure. The mounting part is a collar structure that can be fitted onto an external member. The external member is fitted onto the outside of the axis of the topic.

[0010] Preferably, the abutment rod has an abutment portion on the side near the auxiliary wheel assembly. The abutment portion is used to contact and cooperate with the rubber sealing ring and the wheel surface during trimming. The abutment portion is a protrusion extending from the rod-shaped structure.

[0011] Preferably, the bottom of the support base is flat and is used to place it on the work platform. The support base is made of metal and has a certain strength to support the operation of the auxiliary wheel assembly.

[0012] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages compared with the prior art: In the production of rubber seal rings, existing trimming devices suffer from unstable positioning of the seal rings and easy displacement during trimming, resulting in poor trimming accuracy and low efficiency. This rubber seal ring trimming device addresses these issues by incorporating an auxiliary wheel assembly consisting of a wheel body, axle, and sprocket. The wheel body supports and limits the rubber seal ring, while a long, rod-shaped abutment rod, with its mounting part fitted with an external rod, provides positional fixation. The abutment part contacts the seal ring and wheel body surfaces to assist in trimming. A brake disc in the auxiliary wheel assembly can brake the wheel body as needed, and a U-shaped block support seat supports the axle through a groove, limiting wheel rotation and providing stable support. By utilizing the positional and connection relationships between these structures, the seal ring is stably positioned, ensuring trimming accuracy and efficiency, thus solving the existing technical problems.

[0013] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description

[0014] Figure 1 This is a three-dimensional schematic diagram of a rubber sealing ring trimming device according to the present invention; Figure 2 This is an exploded view of a rubber sealing ring trimming device according to the present invention; Figure 3 This is an exploded view of the auxiliary wheel portion of a rubber sealing ring trimming device according to this utility model; Figure 4 This is a partially enlarged view of the mating part of the abutment rod and auxiliary wheel of the rubber sealing ring trimming device of this utility model.

[0015] As shown in the figure: 1. Auxiliary wheel assembly; 11. Wheel body; 12. Axle; 13. Sprocket; 14. Brake disc; 2. Brake; 21. Support base; 22. Mounting part; 23. External rod; 24. Abutment part. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] like Figure 1 and Figure 2 As shown, a rubber sealing ring trimming device includes an auxiliary wheel assembly 1, a stop rod 2, and a support base 21. The auxiliary wheel assembly 1 consists of a wheel body 11, a wheel axle 12, and a sprocket 13. The wheel axle 12 passes through the center of the wheel body 11, and the sprocket 13 is fitted around one end of the wheel axle 12 and is coaxial with the wheel body 11. The stop rod 2 is a long rod with a mounting part 22 of a collar structure at one end, which can fit an external rod 23. The external rod 23 fits around the outside of the wheel body 11 axle. The support base 21 is a U-shaped block with a groove adapted to fit the wheel body 11. The two ends of the wheel axle 12 are supported by the support base 21, and part of the wheel body 11 is embedded in the groove. When rotating, the support base 21 provides limiting support. Its bottom plane holds a working platform. The metal material ensures strength and supports the operation of the auxiliary wheel assembly 1. The trimming of the rubber sealing ring is achieved through the cooperation of various structures.

[0020] In this embodiment, the axle 12 of the auxiliary wheel assembly 1 passes through the center of the wheel body 11 to form a rigid connection. The sprocket 13 is fixedly sleeved on one end of the axle 12 and remains coaxial with the wheel body 11, ensuring that the wheel body 11 rotates synchronously with the axle 12. The collar structure mounting part 22 of the abutment rod 2 is tightly sleeved on the outer rod 23, which is coaxially sleeved on the outside of the axle of the wheel body 11, so that the abutment rod 2 and the auxiliary wheel assembly 1 form a relatively fixed positional relationship. The U-shaped groove of the support base 21 is adapted to the outer contour of the wheel body 11. The two ends of the axle 12 are mounted on the two side walls of the groove of the support base 21. The wheel body 11 is partially embedded in the groove and can rotate freely along the axis of the axle 12. The bottom plane of the support base 21 fits against the working platform to achieve stable placement. From the perspective of implementation, the precise connection and positioning of each component ensures that the rubber sealing ring is stably fitted onto the surface of the wheel 11 during trimming. The rotation of the wheel 11 drives the sealing ring to move synchronously, and the abutment rod 2 provides stable pressure and limit to the sealing ring, preventing displacement during trimming. In terms of innovation, this structural combination solves the problem of unstable positioning in existing devices. The matching design between the wheel 11 and the support base 21 ensures rotational stability, the cooperation between the abutment rod 2 and the external rod 23 enables precise control of the limiting position, and the metal support base 21 provides sufficient strength to withstand the forces during the trimming process, thus improving the overall trimming accuracy and efficiency.

[0021] like Figure 2 and Figure 3 As shown, in this rubber seal ring trimming device, the auxiliary wheel assembly 1 includes a wheel body 11, axle 12, sprocket 13, and a brake disc 14. The brake disc 14 is fitted onto the axle 12 and is located between the wheel body 11 and the sprocket 13, with the disc surface parallel to the axial end face of the wheel body 11. The abutment rod 2 has an abutment portion 24 near the auxiliary wheel assembly 1, which is a rod-shaped extended protrusion that contacts and engages with the rubber seal ring and the surface of the wheel body 11 during trimming. The wheel body 11 is supported by the axle 12 in the groove of the support base 21, and the groove is adapted to the wheel body 11 to achieve positioning. The abutment rod 2 is connected to the external rod 23 by the mounting portion 22. Through specific positions and connections, all structures work together to complete the rubber seal ring trimming operation.

[0022] In this embodiment, the brake disc 14 of the auxiliary wheel assembly 1 is tightly fitted onto the axle 12, located between the wheel body 11 and the sprocket 13. Its disc surface is parallel to the axial end face of the wheel body 11, allowing it to rotate synchronously with the axle 12. It can also brake the axle 12 and wheel body 11 when needed. The abutment portion 24 of the abutment rod 2 is a protrusion extending from the rod-shaped structure towards one side of the auxiliary wheel assembly 1, with its protrusion direction precisely pointing towards the surface of the wheel body 11. During the trimming process, it makes close contact with the rubber sealing ring and the surface of the wheel body 11. From the key implementation points, the brake disc 14 allows for flexible control of the rotation state of the wheel body 11. When it is necessary to pause trimming or adjust the position of the sealing ring, it can quickly brake the wheel body 11, avoiding trimming errors caused by the inertial rotation of the wheel body 11. The protruding structure of the abutment portion 24 increases the contact area and contact stability with the sealing ring, further strengthening the limiting effect on the sealing ring and ensuring that the sealing ring will not slip or shift when the wheel body 11 rotates and drives the sealing ring to move. From an innovative perspective, the addition of brake disc 14 compensates for the lack of flexible braking function in the existing device, greatly improving the controllability of the trimming process; the design of the abutment part 24 optimizes the basic function of the abutment rod 2. Compared with the simple pressing method of the existing device, it can more accurately adapt to the shape of the sealing ring. Together with the limiting of the wheel body 11 and the support seat 21, it forms multiple stability guarantees, effectively improving the reliability of the trimming operation and the product qualification rate.

[0023] When using this rubber sealing ring trimming device, it is necessary to use a drive motor connected to the sprocket 13 via a chain to drive the wheel axle 12 to rotate. It is also necessary to use the trimming tool (unmarked) to cooperate with the abutment part 24 to complete the cutting. The wheel body 11 can be made of wear-resistant rubber, the wheel axle 12, sprocket 13, brake disc 14 and support seat 21 are made of 45 steel, the abutment rod 2 is made of aluminum alloy, and the external rod 23 is made of stainless steel. At the same time, the braking action of the brake disc 14 needs to be controlled by an external air source or hydraulic device to form a complete trimming operation system.

[0024] Specifically, to make the solution more complete, during installation, the support base 21 is fixed to the existing workbench with bolts, the output shaft of the drive motor (existing technology) is connected to the sprocket 13 via a chain, the trimming cutter (existing technology) is fixed on the external frame with the blade aligned with the trimming position on the surface of the wheel body 11, and the external air source is connected to the brake cylinder of the brake disc 14 via an air pipe. In use, first put the rubber sealing ring on the wheel body 11, adjust the abutment rod 2 so that the abutment part 24 lightly presses the sealing ring, start the drive motor to drive the sprocket 13, wheel axle 12 and wheel body 11 to rotate via the chain, and the sealing ring rotates with the wheel body 11 to the cutter to complete the trimming. When it is necessary to pause, control the air source to brake the wheel axle 12 with the brake disc 14, adjust the position of the sealing ring and then turn off the brake to continue the operation.

[0025] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be determined by the claims.

Claims

1. A rubber sealing ring trimming device, characterized in that, Includes auxiliary wheel assembly (1) and stop bar (2); The auxiliary wheel assembly (1) includes a wheel body (11), a wheel axle (12), and a sprocket (13). The wheel axle (12) passes through the center of the wheel body (11), and the sprocket (13) is sleeved on one end of the wheel axle (12) and is coaxial with the wheel body (11). The abutment rod (2) is a long rod and is used to trim the rubber sealing ring in conjunction with the auxiliary wheel assembly (1).

2. The rubber sealing ring trimming device according to claim 1, characterized in that, The auxiliary wheel assembly (1) also includes a brake disc (14), which is sleeved on the wheel axle (12) and located between the wheel body (11) and the sprocket (13). The surface of the brake disc (14) is parallel to the axial end face of the wheel body (11).

3. The rubber sealing ring trimming device according to claim 1, characterized in that, It also includes a support base (21), which is a U-shaped block with a groove for accommodating the structure of the wheel body (11). The two ends of the wheel axle (12) are mounted on the support base (21), so that the wheel body (11) can rotate relative to the support base (21).

4. The rubber sealing ring trimming device according to claim 3, characterized in that, The groove shape of the support base (21) is adapted to the wheel body (11), and the wheel body (11) is partially embedded in the groove. When the wheel body (11) rotates, the support base (21) forms a limiting support for the wheel body (11).

5. The rubber sealing ring trimming device according to claim 1, characterized in that, The abutment (2) has a mounting part (22) for connecting with an external structure at one end. The mounting part (22) is a collar structure that can be fitted onto an external rod (23). The external rod (23) is fitted onto the outside of the axle of the wheel body (11).

6. The rubber sealing ring trimming device according to claim 4, characterized in that, The abutment (2) is provided with an abutment part (24) on the side near the auxiliary wheel assembly (1). The abutment part (24) is used to contact and cooperate with the rubber sealing ring and the surface of the wheel body (11) during trimming. The abutment part (24) is a protrusion extending from the rod-shaped structure.

7. A rubber sealing ring trimming device according to claim 3, characterized in that, The bottom of the support base (21) is flat and is used to place it on the work platform. The support base (21) is made of metal and has a certain strength to support the operation of the auxiliary wheel assembly (1).

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