Anti-corrosion clamping tool for automobile silencer

Abstract

The utility model relates to the field of anti-corrosion of automobile silencers, in particular to an anti-corrosion clamping tool for an automobile silencer, which comprises a rack and two groups of clamping components which are symmetrically arranged, each clamping component comprises a rotating rod, a connecting piece, a pressing block, a spring, a push rod and a fixing piece, the rotating rod is arranged in a guide sleeve of the rack in a sliding mode and can rotate in the guide sleeve, an ejector rod for limiting sliding of the rotating rod is arranged on the outer side of the rack, the tail end of the rotating rod is sleeved with the connecting piece in a sliding mode at intervals, the pressing blocks are rotationally connected with connecting rods, the lower ends of the connecting rods are rotationally connected with the connecting piece, and at least two sets of pressing blocks are symmetrically arranged. The fixing piece is fixed to the rotating rod and located between the connecting pieces, the spring is arranged on the rotating rod in a sleeving mode and located between the connecting piece on the left side and the fixing piece, the push rod is arranged on the rotating rod in a threaded sleeving mode and located on the left side of the connecting piece on the leftmost side, and the outer diameter of the push rod is equal to the inner diameter of an air inlet and an air outlet of the silencer. And the overall anti-corrosion treatment efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of corrosion protection for automotive mufflers, and specifically to a corrosion protection clamping fixture for automotive mufflers. Background Technology

[0002] In the production of automotive mufflers, surface anti-corrosion treatment is a crucial step in improving product durability and lifespan. Currently, common surface anti-corrosion methods, such as spraying protective paint, require ensuring uniform coverage of the entire outer surface of the muffler. However, existing tooling has significant drawbacks when clamping the muffler. Typically, the tooling directly clamps the muffler surface, preventing the clamped area from contacting the sprayed material, creating blank areas for anti-corrosion treatment. To treat these blank areas, the conventional approach is to wait for the sprayed area to dry, then readjust the tooling, using clamping components in other locations to clamp the muffler, exposing the previously clamped area for re-spraying. This method is not only cumbersome but also significantly reduces production efficiency.

[0003] Therefore, it is necessary to design a high-efficiency anti-corrosion clamping fixture for automotive mufflers that can effectively solve the above problems. Utility Model Content

[0004] This utility model provides an anti-corrosion clamping fixture for automotive mufflers to solve the problems of the prior art.

[0005] The purpose of this utility model can be achieved through the following technical solution: A corrosion-resistant clamping fixture for an automotive muffler includes: a frame and two sets of clamping components arranged symmetrically. Each clamping component includes a rotating rod, a connecting piece, a pressure block, a spring, a push rod, and a fixing piece. The rotating rod is slidably disposed within a guide sleeve of the frame and can rotate within the guide sleeve. A top rod is provided on the outside of the frame to restrict the sliding of the rotating rod. The connecting piece is slidably sleeved on the tail end of the rotating rod at intervals. A connecting rod is rotatably connected to the pressure block. The lower end of the connecting rod is rotatably connected to a connecting piece. At least two sets of pressure blocks are arranged symmetrically. The fixing piece is fixed on the rotating rod and located between the connecting pieces. The spring is sleeved on the rotating rod and located between the connecting piece and the fixing piece on the left side. The push rod is threadedly sleeved on the rotating rod and located to the left of the leftmost connecting piece. The outer diameter of the push rod is equal to the inner diameter of the muffler's inlet and outlet.

[0006] In a further improvement, the connector is provided in three sets at intervals, the fixing member is located between the left connector and the middle connector, the spring is located between the left connector and the fixing member, and the pressure block is connected to the connector through three sets of connecting rods respectively.

[0007] In a further improvement, a fixing plate is provided on the outer side of the frame, the top rod is threaded to the fixing plate, and an annular groove is provided on the outer side of the rotating rod, so that the top rod can be placed downward in the annular groove.

[0008] As a further improvement, a rotating plate is fixed to the outer end of the rotating rod.

[0009] As a further improvement, a rubber sheet is fixed to the outside of the pressure block.

[0010] Compared with existing technologies, the beneficial effects of this utility model of an anti-corrosion clamping fixture for automotive mufflers are as follows:

[0011] The internal support fixing method, through the cooperation of push rod, connector, connecting rod and pressure block, is inserted into the inner wall of the muffler after being inserted from the muffler inlet and outlet, and fixed, replacing the traditional external clamping; it avoids blank areas in the anti-corrosion treatment and improves the overall anti-corrosion treatment efficiency; the outer diameter of the push rod is adapted to the inner diameter of the inlet and outlet, which can effectively prevent the treatment liquid from spraying into the muffler; the rotating rod can rotate in the guide sleeve, which can easily drive the muffler to rotate 360 ​​degrees, which is conducive to all-round spraying; the structure is ingeniously designed, and all components work together to achieve high stability. Attached Figure Description

[0012] Figure 1 This is a structural schematic diagram of the present invention.

[0013] Figure 2 This is a schematic diagram of the internal structure of the present invention.

[0014] Figure 3 This is a schematic diagram of a partial structure of the present invention.

[0015] In the diagram, 1-frame, 11-guide sleeve, 12-top rod, 13-fixed plate, 2-clamping assembly, 21-rotating rod, 211-ring groove, 212-rotating plate, 22-connector, 23-pressure block, 231-connecting rod, 232-rubber sheet, 24-spring, 25-push rod, 26-fixing component, 3-silencer, 31-silencer inlet and outlet. Detailed Implementation

[0016] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; unless otherwise expressly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, they can refer to fixed connections or detachable connections, etc. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0017] The following is a description of the embodiments and appendices. Figures 1-3 The technical solution of this utility model will be further described below.

[0018] Example 1

[0019] A corrosion-resistant clamping fixture for automotive mufflers includes: a frame 1 and two symmetrically arranged clamping assemblies 2. Each clamping assembly 2 includes a rotating rod 21, a connecting piece 22, a pressure block 23, a spring 24, a push rod 25, and a fixing piece 26. The rotating rod 21 is slidably disposed within a guide sleeve 11 of the frame 1 and can rotate within the guide sleeve 11. A top rod 12 is provided on the outer side of the frame 1 to restrict the sliding of the rotating rod 21. The connecting piece 22 is slidably sleeved at the tail end of the rotating rod 21 at intervals. The pressure block 25... A connecting rod 231 is rotatably connected to the upper part of the muffler. The lower end of the connecting rod 231 is rotatably connected to the connecting piece 22. At least two sets of pressure blocks 23 are symmetrically arranged. The fixing piece 26 is fixed on the rotating rod 21 and located between the connecting pieces 22. The spring 24 is sleeved on the rotating rod 21 and located between the left connecting piece 22 and the fixing piece 26. The push rod 25 is threaded on the rotating rod 21 and located to the left of the leftmost connecting piece 22. The outer diameter of the push rod 25 is equal to the inner diameter of the inlet and outlet ports 31 of the muffler.

[0020] like Figures 1-3 As shown, the working principle of this utility model is as follows:

[0021] When it is necessary to clamp the muffler 3, the single-sided clamping assembly is deployed. The rotating rod 21, along with its connected front end connector 22, pressure block 23, spring 24, push rod 25, and fixing member 26, are precisely aligned with the muffler's inlet and outlet ports 31 and inserted to an appropriate depth. At this time, the radial displacement of the rotating rod 21 is locked by the top rod 12 on the outside of the frame 1, ensuring its stable position. Because the outer diameter of the push rod 25 fits perfectly with the inner diameter of the inlet and outlet ports, after insertion, the push rod 25 precisely blocks the inlet and outlet ports 31, effectively preventing the anti-corrosion treatment liquid from spraying into the muffler. Next, the operator manually rotates the push rod 25. Due to the threaded structure, the push rod 25 begins to move axially along the rotating rod 21, pushing the leftmost connecting piece 22 to slide along the end of the rotating rod 21. During the rotation of the push rod 25, the connecting piece 22 slides along the end of the rotating rod 21, which in turn drives the pressure block 23 to move outwards via the connecting rod 231. The pressure block 23 smoothly expands towards the inner wall of the muffler 3 until it tightly adheres to the inner wall of the muffler 3, completing the single-sided tightening and fixing action. The clamping assembly on the other side follows the same operating procedure, simultaneously tightening the muffler to achieve stable clamping.

[0022] After clamping, the operator rotates the rotating rod 21. Since the rotating rod 21 can rotate flexibly within the guide sleeve 11 of the frame 1, this rotation causes the clamped muffler 3 to rotate synchronously. At this time, a 360-degree all-around spraying operation can be performed on the side of the muffler, ensuring that every part of the side is evenly covered with anti-corrosion treatment liquid. At the same time, the left and right end faces of the muffler can also be sprayed simultaneously. The entire clamping assembly adopts an innovative method of internal support fixation, abandoning the traditional external clamping mode, effectively avoiding the blank areas of anti-corrosion treatment caused by external clamping, and comprehensively improving the efficiency and quality of anti-corrosion treatment.

[0023] The internal spring 24 serves two purposes: firstly, it buffers and finely adjusts the clamping force; secondly, after the muffler is sprayed, the muffler is released from its tension, and the push rod 25 is rotated outward. The pressure block 25 moves inward under the reverse push of the spring 24 until it is reset and can be removed from the inlet and outlet ports 31.

[0024] As a further preferred embodiment, the connectors 22 are provided in three sets at intervals, the fixing member is located between the left connector 22 and the middle connector 22, the spring 24 is located between the left connector 22 and the fixing member 26, and the pressure block 23 is connected to the connectors 22 respectively through three sets of connecting rods 231; when the push rod 25 pushes the leftmost connector 22, the three sets of connectors 22 can more evenly transmit the thrust through the connecting rods 231 to the pressure block 23, so that the pressure block 23 clamps the muffler more stably from multiple positions.

[0025] As a further preferred embodiment, the frame 1 is provided with a fixing plate 13 on the outside, the top rod 12 is threadedly connected to the fixing plate 13, the rotating rod 21 is provided with an annular groove 211 on the outside, the top rod 12 can be placed downward in the annular groove 211, by rotating the top rod 12, it can be moved downward and embedded in the annular groove 211 on the outside of the rotating rod 21, thereby limiting the radial position of the rotating rod 21 and ensuring the stability of the clamping state.

[0026] As a further preferred embodiment, a rotating plate 212 is fixed to the outer end of the rotating rod 21. The operator can drive the rotating rod 21 to rotate by directly rotating the rotating plate 212, which facilitates the operator to rotate the muffler and achieve uniform spraying on the side.

[0027] As a further preferred embodiment, a rubber sheet 232 is fixed to the outside of the pressure block 23. When the pressure block 23 pushes the muffler tight, the rubber sheet 232 directly contacts the inner wall of the muffler. On the one hand, the rubber sheet 232 can increase the friction between the pressure block 23 and the muffler, making the pre-tightening more secure and preventing the muffler from sliding during the anti-corrosion treatment. On the other hand, the rubber sheet 232 can prevent the pressure block 23 from causing hard damage to the inside of the muffler, thereby improving the product yield.

[0028] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An automobile muffler anti-corrosion clamping tool, characterized in that, The utility model relates to a silencer fixing device, including: Frame and symmetrically arranged two groups of clamping components, the clamping component includes the rotating lever, connecting piece, pressing block, spring, push rod and fixing piece, the rotating lever is slidably arranged in the guide bush of frame and the rotating lever can rotate in the guide bush, the frame outside is equipped with the top bar of restricting the rotating lever sliding, the connecting piece is spaced and is sleeved on the tail end of rotating lever, the pressing block is symmetrically provided with two groups at least, the fixing piece is fixed on the rotating lever and is located between the connecting piece, the spring is sleeved on the rotating lever and is located between the connecting piece of left side and fixing piece, the push rod is threadedly sleeved on the rotating lever and is located left side of the connecting piece of left side, and the push rod outer diameter is equal to the inlet and outlet diameter of silencer.

2. The anti-corrosion clamping tool for a vehicle muffler according to claim 1, wherein The connecting piece is spaced and is equipped with three groups, the fixing piece is located between the connecting piece of left side and the connecting piece of middle part, the spring is located between the connecting piece of left side and fixing piece, and the pressing block is connected with the connecting piece through three groups of connecting rods respectively.

3. The anti-corrosion clamping tool for a muffler of an automobile according to claim 1, wherein The frame outside is equipped with the fixed plate, the top bar is threadedly connected on the fixed plate, the outside of rotating lever is equipped with ring groove, and the top bar can be placed in the ring groove downward.

4. The anti-corrosion clamping tool for a muffler of an automobile according to claim 1, wherein The outer end of rotating lever is fixed with rotating plate.

5. The anti-corrosion clamping tool for a muffler of an automobile according to claim 1, wherein The rubber sheet is fixed on the outside of pressing block.

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