Clamping positioning mechanism applied to eccentric hanger

Abstract

This utility model provides a clamping and positioning mechanism for eccentric hanging components, comprising: a positioning block extending along a first direction; a clamping assembly including: a first clamping member rotatably connected to one side of the positioning block, the first clamping member including a first end; a second clamping member rotatably connected to the other side of the positioning block, the second clamping member including a second end; the first end and the second end being able to move closer to or further away from each other; and an elastic component including: a first elastic member disposed between the first clamping member and the positioning block, and disposed at the end of the first clamping member away from the first end; and a second elastic member disposed between the second clamping member and the positioning block, and disposed at the end of the second clamping member away from the second end. The clamping and positioning mechanism for eccentric hanging components provided by this utility model has a simple structure, is easy to operate, has high tooling efficiency, strong versatility, and low manufacturing cost.

Description

Technical Field

[0001] This utility model belongs to the field of automotive exhaust aftertreatment technology, and particularly relates to a clamping and positioning mechanism applied to eccentric suspension components. Background Technology

[0002] In the automotive exhaust after-treatment industry, welding of the purifier assembly hangers is one of the key processes. For example... Figure 1 The image shows an eccentric hanger. Due to its unique structure and distinctive position on the product, the positioning and clamping space is limited. Existing technologies typically employ manual screw tightening for positioning and clamping. However, this manual screw tightening method relies on manual operation, resulting in low positioning accuracy, inefficient loading and unloading, and a high risk of screw jamming or thread damage due to welding deformation, increasing tooling wear and product failure risks, and impacting product quality. Other common clamping and positioning methods include hydraulic clamping, electromagnetic clamping, vacuum adsorption, and other types of mechanical clamping. Hydraulic clamping systems are complex, have high maintenance costs, and the risk of oil leakage affects stability, making them unsuitable for the precision requirements of exhaust pipe production. Electromagnetic clamping has material requirements, and its heat generation and energy consumption issues make it disadvantageous in continuous production. Vacuum adsorption has stringent requirements for the surface flatness of the exhaust pipe and high energy consumption, limiting its application. Summary of the Invention

[0003] To address at least one technical problem in the prior art, this utility model provides a clamping and positioning mechanism for eccentric hanging components, which offers high working efficiency. To achieve the above technical objectives, the technical solution adopted by this utility model is as follows: This utility model embodiment provides a clamping and positioning mechanism for an eccentric hanging component, comprising: The positioning block extends along the first direction; Clamping assembly, the clamping assembly comprising: The first clamping member is rotatably connected to one side of the positioning block, and the first clamping member includes a first end; The second clamping member is rotatably connected to the other side of the positioning block, and the second clamping member includes a second end; The first clamping member and / or the second clamping member extend along a first direction, and the first end and the second end are able to move closer to or further away from each other; When the first end and the second end are close to each other, the clamping assembly can clamp the workpiece; When the first end and the second end are far apart, the clamping assembly can release the workpiece; The resilient component includes: A first elastic element is disposed between the first clamping element and the positioning block, and is disposed at the end of the first clamping element away from the first end; The second elastic element is disposed between the second clamping element and the positioning block, and is disposed at the end of the second clamping element away from the second end.

[0004] Furthermore, the positioning block has a positioning pin at one end near the first end, and the positioning pin extends along the first direction.

[0005] Furthermore, the first elastic element is a first spring that extends in the second direction, with one end of the first spring abutting against one side of the positioning block and the other end abutting against the first clamping element; The second elastic element is a second spring; extending along the second direction, one end of the second spring abuts against the other side of the positioning block, and the other end abuts against the second clamping element; The second direction intersects with the first direction.

[0006] Furthermore, the positioning block is provided with a first mounting groove on the side near the first clamping member, the first clamping member is provided with a first assembly groove on the side near the positioning block, and one end of the first spring is provided in the first mounting groove and the other end is provided in the first assembly groove. The positioning block has a second mounting groove on the side near the second clamping member, and the second clamping member has a second assembly groove on the side near the positioning block. One end of the second spring is located in the second mounting groove, and the other end is located in the second assembly groove.

[0007] Furthermore, the first end includes a first extension that extends toward the second end; The second end includes a second extension that extends toward the first end.

[0008] Furthermore, the positioning block has a first protrusion on the side near the first end, and the first protrusion protrudes from the positioning block along the first direction; The positioning block has a second protrusion on the side near the second end, and the second protrusion protrudes out of the positioning block along the first direction.

[0009] Furthermore, the positioning block includes two first protrusions on the side near the first end, one first protrusion being located on one side of the positioning block and the other first protrusion being located on the other side of the positioning block. The positioning block includes two second protrusions on the side near the second end, one second protrusion being located on one side of the positioning block and the other second protrusion being located on the other side of the positioning block.

[0010] Furthermore, it also includes a handle assembly, the handle assembly comprising: A first handle, one end of which is fixedly connected to the first clamping member; The second handle has one end fixedly connected to the second clamping member.

[0011] Furthermore, the positioning block has a first mounting portion on the side near the first clamping member, the first mounting portion has a first mounting through hole, the first mounting through hole has a first mounting shaft, and the first clamping member is rotatably connected to the first mounting shaft; The positioning block has a second mounting part on the side near the second clamping member. The second mounting part has a second mounting through hole and a second mounting shaft in the second mounting through hole. The second clamping member is rotatably connected to the second mounting shaft.

[0012] Furthermore, the clamping assembly 2 is made of cadmium-zirconium copper.

[0013] The beneficial effects of the technical solution provided by this utility model embodiment are: The clamping and positioning mechanism for eccentric hangers provided in this embodiment of the invention can accurately position the workpiece using a positioning pin, and clamp the side of the workpiece using a clamping assembly. This significantly improves the efficiency of tooling operation, reduces the time for loading and unloading parts, reduces wear on tooling components, and extends the service life of the tooling. The elastic component and handle component make the clamping and positioning mechanism for eccentric hangers easier to use. The first extension and the first protrusion clamp one side of the workpiece, and the second extension and the second protrusion clamp the other side of the workpiece. The structure is simple, the operation is convenient, the tooling efficiency is high, and the versatility is strong. It can be applied to the welding of eccentric hangers for various products. Furthermore, the clamping and positioning mechanism for eccentric hangers provided in this embodiment of the invention has low manufacturing cost and requires less maintenance, thus reducing production costs. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of the eccentric hanging component in an embodiment of this utility model.

[0015] Figure 2 This is a schematic diagram of the clamping and positioning mechanism applied to the eccentric hanging component in an embodiment of this utility model. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0017] In the description of the embodiments of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components; and they can refer to a wireless connection or a wired connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0020] This utility model embodiment provides a clamping and positioning mechanism for an eccentric hanging component, comprising: Positioning block 1 extends along the first direction A; Clamping assembly 2, the clamping assembly 2 comprising: The first clamping member 21 is rotatably connected to one side of the positioning block 1, and the first clamping member 21 includes a first end 21a; The second clamping member 22 is rotatably connected to the other side of the positioning block 1, and the second clamping member 22 includes a second end 22a; The first clamping member 21 and / or the second clamping member 22 extend along the first direction A, and the first end 21a and the second end 22a can move closer to or further away from each other; When the first end 21a and the second end 22a approach each other, the clamping assembly 2 can clamp the workpiece; When the first end 21a and the second end 22a are far apart, the clamping assembly 2 can release the workpiece; Elastic component 3, the elastic component 3 comprising: The first elastic element 31 is disposed between the first clamping element 21 and the positioning block 1, and is disposed at the end of the first clamping element 21 away from the first end 21a; The second elastic element 32 is disposed between the second clamping element 22 and the positioning block 1, and is disposed at the end of the second clamping element 22 away from the second end 22a.

[0021] In a specific embodiment, such as Figure 2 As shown, the first clamping member 21 is rotatably connected to the upper side of the positioning block 1, and the first elastic member 31 is provided between the first clamping member 21 and the positioning block 1. The second clamping member 22 is rotatably connected to the lower side of the positioning block 1, and the second elastic member 32 is provided between the second clamping member 22 and the positioning block 1. The right end of the first clamping member 21 is the first end 21a, and the right end of the second clamping member 22 is the second end 22a.

[0022] It should be noted that both the first elastic element 31 and the second elastic element 32 have an initial preload. Before operation, taking the first elastic element 31 as an example, the first elastic element 31 is in a compressed state and has a tendency to return to its original state. Since the first elastic element 31 is located at the end of the first clamping member 21 away from the first end 21a, that is, the first elastic element 31 is located at the left end of the first clamping member 21, the first elastic element 31 has a driving force that causes the left end of the first clamping member 21 to move towards the outside of the positioning block 1, and causes the first end 21a to move towards the second end 22a. Similarly, the second end 22a has a tendency to move towards the first end 21a under the elastic force of the second elastic element 32. Therefore, the first end 21a and the second end 22a move closer to each other. During operation, the left ends of the first clamping member 21 and the second clamping member 22 are pressed against the center of the positioning block 1, which further compresses the first elastic member 31 and the second elastic member 32, causing the first end 21a and the second end 22a to move away from each other. At this time, the clamping and positioning mechanism applied to the eccentric hanging part is brought close to the workpiece, and the left ends of the first clamping member 21 and the second clamping member 22 are released. Then, the first end 21a and the second end 22a clamp the workpiece under the action of the elastic component 3. This structure is simple and easy to use.

[0023] Furthermore, the positioning block 1 is provided with a positioning pin 4 at one end near the first end 21a, and the positioning pin 4 extends along the first direction A.

[0024] In a specific embodiment, such as Figure 1 As shown, the hanging component has positioning holes, such as Figure 2As shown, the right end of the positioning block 1 is provided with the positioning pin 4. The positioning pin 4 facilitates the clamping and positioning mechanism applied to the eccentric hanging part to be quickly positioned into the positioning hole of the hanging part, thereby improving the working efficiency of the clamping and positioning mechanism applied to the eccentric hanging part.

[0025] Furthermore, the specific configurations of the first elastic element 31 and the second elastic element 32 are not limited. In a specific embodiment, the first elastic element 31 is a first spring that extends along the second direction B. One end of the first spring abuts against one side of the positioning block 1, and the other end abuts against the first clamping element 21. The second elastic element 32 is a second spring; it extends along the second direction B, with one end of the second spring abutting against the other side of the positioning block 1 and the other end abutting against the second clamping element 22; The second direction B intersects with the first direction A.

[0026] In this embodiment, such as Figure 2 As shown, the second direction B can be perpendicular to the first direction A. The extension direction of the first spring is collinear with the extension direction of the second spring. Thus, the initial preload of the first spring causes the first end 21a to tend to move toward the second end 22a, and the initial preload of the second spring causes the second end 22a to tend to move toward the first end 21a. This structure is advantageous for simultaneously clamping the first clamping member 21 and the second clamping member 22 toward the middle of the positioning block 1.

[0027] In another specific embodiment, the first elastic element 31 is a first spring sheet, and the second elastic element 32 is a second spring sheet.

[0028] Furthermore, the positioning block 1 is provided with a first mounting groove on the side near the first clamping member 21, and the first clamping member 21 is provided with a first assembly groove on the side near the positioning block 1. One end of the first spring is provided in the first mounting groove and the other end is provided in the first assembly groove. The positioning block 1 has a second mounting groove on the side near the second clamping member 22, and the second clamping member 22 has a second assembly groove on the side near the positioning block 1. One end of the second spring is located in the second mounting groove, and the other end is located in the second assembly groove.

[0029] In a specific embodiment, such as Figure 2As shown, the first assembly groove and the first mounting groove can limit the direction of the first spring's movement, preventing the first spring from shifting radially. Similarly, the second mounting groove and the second assembly groove can limit the direction of the second spring's movement, preventing the second spring from shifting radially. This structure can improve the stability of the clamping and positioning mechanism applied to the eccentric hanger during operation.

[0030] Furthermore, the first end 21a includes a first extension 211, which extends toward the second end 22a; The second end 22a includes a second extension 221 that extends toward the first end 21a.

[0031] In a specific embodiment, such as Figure 2 As shown, the first extension 211 on the first end 21a and the second extension 221 on the second end 22a are arranged opposite to each other and both extend toward the center line of the positioning block 1. Therefore, when the clamping and positioning mechanism applied to the eccentric hanger clamps the workpiece, the first extension 211 and the second extension 221 can further fix and clamp both sides of the workpiece, preventing the workpiece from shifting along the second direction B, thereby improving the stability of the clamping and positioning mechanism applied to the eccentric hanger when clamping the workpiece.

[0032] Furthermore, the positioning block 1 has a first protrusion 11 on the side near the first end 21a, and the first protrusion 11 protrudes out of the positioning block 1 along the first direction A; The positioning block 1 has a second protrusion 12 on the side near the second end 22a, and the second protrusion 12 protrudes from the positioning block 1 along the first direction A.

[0033] The structure of the first protrusion 11 and the second protrusion 12 is not limited. In a specific embodiment, both the first protrusion 11 and the second protrusion 12 are elongated strips and extend along the height direction.

[0034] In another specific embodiment, such as Figure 2 As shown, the positioning block 1 includes two first protrusions 11 on the side near the first end 21a, one first protrusion 11 is provided on one side of the positioning block 1 and the other first protrusion 11 is provided on the other side of the positioning block 1. The positioning block 1 includes two second protrusions 12 on the side near the second end 22a. One second protrusion 12 is located on one side of the positioning block 1, and the other second protrusion 12 is located on the other side of the positioning block 1. It can be understood that when the clamping and positioning mechanism applied to the eccentric hanger clamps the workpiece, the two first protrusions 11 and the first extension 211 clamp one side of the workpiece using a three-point positioning method. Similarly, the two second protrusions 12 and the second extension 221 clamp the other side of the workpiece using a three-point positioning method. This structure can prevent the workpiece from shifting along the first direction A, improving the stability of the clamping and positioning mechanism applied to the eccentric hanger when clamping the workpiece.

[0035] Furthermore, it also includes a handle assembly 5, the handle assembly 5 comprising: A first handle 51, one end of which is fixedly connected to the first clamping member 21; The second handle 52, one end of which is fixedly connected to the second clamping member 22.

[0036] In a specific embodiment, such as Figure 2 As shown, the first handle 51 is fixedly connected to the left end of the first clamping member 21, thereby extending the length of the first clamping member 21. Similarly, the second handle 52 is fixedly connected to the left end of the second clamping member 22, thereby extending the length of the second clamping member 22. This structure utilizes the lever principle, saving the force required to operate the clamping component 2, and making it more convenient to use.

[0037] The connection method between the positioning block 1 and the clamping assembly 2 is not limited. In a specific embodiment, such as... Figure 2 As shown, the positioning block 1 has a first mounting part on the side near the first clamping member 21. The first mounting part has a first mounting through hole, and a first mounting shaft 13 is provided in the first mounting through hole. The first clamping member 21 is rotatably connected to the first mounting shaft 13. The positioning block 1 has a second mounting part on the side near the second clamping member 22. The second mounting part has a second mounting through hole and a second mounting shaft 14 is provided in the second mounting through hole. The second clamping member 22 is rotatably connected to the second mounting shaft 14.

[0038] The upper side of the positioning block 1 is provided with the first mounting part and the first mounting shaft 13. The first clamping member 21 can rotate around the first mounting shaft 13. Similarly, the lower side of the positioning block 1 is provided with the second mounting part and the second mounting shaft 14. The second clamping member 22 can rotate around the second mounting shaft 14. This structure is simple, easy to implement, and facilitates the replacement of the first clamping member 21 and the second clamping member 22, which is beneficial for later maintenance.

[0039] Furthermore, the clamping assembly 2 is made of cadmium-zirconium copper, which can prevent damage to the workpiece.

[0040] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A clamping positioning mechanism applied to an eccentric hanger, characterized in that, include: The positioning block (1) extends along the first direction (A); Clamping assembly (2), the clamping assembly (2) comprising: The first clamping member (21) is rotatably connected to one side of the positioning block (1), and the first clamping member (21) includes a first end (21a). The second clamping member (22) is rotatably connected to the other side of the positioning block (1), and the second clamping member (22) includes a second end (22a). The first clamping member (21) and / or the second clamping member (22) extend along a first direction (A), and the first end (21a) and the second end (22a) can move closer to or further away from each other; When the first end (21a) and the second end (22a) are close to each other, the clamping assembly (2) can clamp the workpiece; When the first end (21a) and the second end (22a) are far apart, the clamping assembly (2) can release the workpiece; The elastic component (3) includes: The first elastic element (31) is disposed between the first clamping element (21) and the positioning block (1), and is disposed at the end of the first clamping element (21) away from the first end (21a); The second elastic element (32) is disposed between the second clamping element (22) and the positioning block (1), and is disposed at the end of the second clamping element (22) away from the second end (22a).

2. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The positioning block (1) has a positioning pin (4) at one end near the first end (21a), and the positioning pin (4) extends along the first direction (A).

3. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The first elastic element (31) is a first spring that extends along the second direction (B). One end of the first spring abuts against one side of the positioning block (1) and the other end abuts against the first clamping element (21). The second elastic element (32) is a second spring; extending along the second direction (B), one end of the second spring abuts against the other side of the positioning block (1), and the other end abuts against the second clamping element (22); The second direction (B) intersects with the first direction (A).

4. The clamping and positioning mechanism for an eccentric hanging component as described in claim 3, characterized in that, The positioning block (1) has a first mounting groove on the side near the first clamping member (21), and the first clamping member (21) has a first assembly groove on the side near the positioning block (1). One end of the first spring is located in the first mounting groove and the other end is located in the first assembly groove. The positioning block (1) has a second mounting groove on the side near the second clamping member (22), and the second clamping member (22) has a second assembly groove on the side near the positioning block (1). One end of the second spring is located in the second mounting groove, and the other end is located in the second assembly groove.

5. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The first end (21a) includes a first extension (211) that extends toward the second end (22a); The second end (22a) includes a second extension (221) that extends toward the first end (21a).

6. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The positioning block (1) has a first protrusion (11) on the side near the first end (21a), and the first protrusion (11) protrudes out of the positioning block (1) along the first direction (A). The positioning block (1) has a second protrusion (12) on the side near the second end (22a), and the second protrusion (12) protrudes from the positioning block (1) along the first direction (A).

7. The clamping and positioning mechanism for an eccentric hanging component as described in claim 6, characterized in that, The positioning block (1) includes two first protrusions (11) on the side near the first end (21a), one first protrusion (11) is provided on one side of the positioning block (1) and the other first protrusion (11) is provided on the other side of the positioning block (1). The positioning block (1) includes two second protrusions (12) on the side near the second end (22a), one second protrusion (12) is located on one side of the positioning block (1) and the other second protrusion (12) is located on the other side of the positioning block (1).

8. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, It also includes a handle assembly (5), which comprises: The first handle (51) has one end fixedly connected to the first clamping member (21); The second handle (52) has one end fixedly connected to the second clamping member (22).

9. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The positioning block (1) has a first mounting part on the side near the first clamping member (21). The first mounting part has a first mounting through hole and a first mounting shaft (13) is provided in the first mounting through hole. The first clamping member (21) is rotatably connected to the first mounting shaft (13). The positioning block (1) has a second mounting part on the side near the second clamping member (22). The second mounting part has a second mounting through hole and a second mounting shaft (14) in the second mounting through hole. The second clamping member (22) is rotatably connected to the second mounting shaft (14).

10. The clamping and positioning mechanism for an eccentric hanging component as described in claim 1, characterized in that, The clamping assembly (2) is made of cadmium zirconium copper.

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