Clamping tool special for axle housing welding
By designing a dedicated bridge housing welding clamping fixture and adopting multi-point positioning and stable clamping, the problem of low accuracy and efficiency caused by rotation during bridge housing welding was solved, achieving high-precision and high-efficiency welding results.
Patent Information
- Application Number
- CN202520113496.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-17
AI Technical Summary
When existing bridge housing welding clamping fixtures are used to clamp the bridge housing in the left-right and front-back positions, the bridge housing is prone to slight rotation, resulting in low welding accuracy and efficiency.
A clamping fixture specifically designed for welding axle housings is presented. It employs components such as a center plate, end plates, positioning pins, lifting pins, and guide pins, combined with clamping components and spring pins, to achieve multi-point positioning and stable clamping of the axle housings, preventing rotation.
This improved the precision and efficiency of bridge housing welding, ensuring stability and accuracy during the welding process.
Smart Images
Figure CN223718687U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile axle housing machining equipment, especially to a clamping tool special for axle housing welding. BACKGROUND
[0002] The axle housing is an assembly base for installing main reducer, differential, half shaft and the like, and its main function is to support and protect the main reducer, differential and half shaft and the like. Generally speaking, the ordinary non-disconnected drive axle housing is a rigid hollow beam supported on the left and right drive wheels, and the transmission components such as the main reducer, differential and half shaft are all installed therein. The axle housing is connected with the frame or the carriage through the longitudinally arranged steel plate spring, and the installation of the steel plate spring requires welding the spring seat on the axle housing. The existing method generally uses a universal clamping tool, and the worker manually positions the axle housing and then performs welding. However, the universal tool generally clamps in the left-right and front-rear directions, and the axle housing is prone to slight rotation and other errors during welding, resulting in low welding efficiency. Therefore, a clamping tool special for welding the axle housing is needed to improve the welding precision and efficiency. SUMMARY
[0003] In order to make up for the above shortcomings, the utility model provides a clamping tool special for welding the axle housing.
[0004] The utility model is realized through the following technical schemes:
[0005] A clamping tool special for welding the axle housing, comprising a base, wherein the base is fixed with a center plate and two mutually symmetrical end plates, the center plate is fixed with uniformly distributed positioning pins, lifting pins and guide pins, the two end plates are fixed with mutually symmetrical clamping assemblies, each clamping assembly comprises a clamping plate, a positioning plate, a pulling spring and two guide shafts, the guide shafts are divided into two sections, the inner section is fixed on the end plate, and the outer section protrudes out of the end plate, the positioning plate is slidably arranged on the outer section of the guide shaft, the positioning plate is fixed at the end of the outer section, the end plate is fixed with a tension column, one end of the pulling spring is connected to the tension column, and the other end is connected to the inner wall of the clamping plate, and a U-shaped seat is formed in the middle position of the upper part of the clamping plate.
[0006] Further optimization, two through holes are formed in the positioning plate, two guide sleeves coaxial with the through holes are fixed on the outer wall of the positioning plate, and the guide shafts pass through the through holes and the guide sleeves.
[0007] Further optimization, a V-shaped seat is formed in the middle position of the upper part of the positioning plate.
[0008] Further optimization, one spring pin is fixed on the outer wall of each clamping plate on the two sides of the U-shaped seat, and the pin head of the spring pin penetrates through the clamping plate.
[0009] Further optimization, the inner wall of the two sides of the U-shaped seat clamping plate is fixed with a pad respectively.
[0010] Further optimization, the U-shaped seat is provided with a spring pin on one side and a pad below, and a spring pin on the other side and a pad below.
[0011] Further optimization, the positioning pin is provided with two, the lifting pin is provided with two, the guide pin is provided with four, and the positioning pin, the lifting pin and the guide pin are spaced apart.
[0012] Further optimization, the positioning pin, the lifting pin and the guide pin are equal in height, the positioning pin is fixed with a positioning column, and the guide pin is fixed with a conical table.
[0013] The utility model discloses the beneficial effects are:
[0014] The bridge shell is buckled on the positioning pin, the lifting pin and the guide pin in the tool, the positioning pin and the lifting pin preliminarily position and support the buckled bridge shell, and the guide pin facilitates the bridge shell to be buckled on the positioning pin and the lifting pin smoothly, the shaft head at the both ends of the bridge shell is located in the U-shaped seat, the clamping plate of the clamping assembly clamps the fixed disc on the bridge shell inward, and clamping positioning is carried out, the spring pin is inserted into the mounting hole of the fixed disc of the bridge shell, and the bridge shell workpiece is prevented from rotating, the tool is clamped stably, and the welding precision is high. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three-dimensional schematic view when the utility model clamps the bridge shell.
[0016] Figure 2 It is the three-dimensional structure schematic view of the tool.
[0017] Figure 3 It is Figure 2 It is the enlarged view of A in the middle.
[0018] Figure 4 It is Figure 2 It is the enlarged view of B in the middle
[0019] In the drawing: 1, base; 2, center plate; 3, end plate; 4, clamping assembly; 21, positioning pin; 211, positioning column; 22, guide pin; 221, conical table; 23, lifting pin; 31, tensioning column; 41, guide shaft; 42, clamping plate; 421, U-shaped seat; 422, guide sleeve; 43, positioning plate; 431, V-shaped seat; 44, tensioning spring; 45, spring pin; 451, pin head; 46, pad. PREFERRED EMBODIMENT
[0020] In order to clearly illustrate the technical features of the scheme, the utility model will be described in detail below through specific implementation, and combined with its drawings. In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "left", "right", "front", "back", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0021] As shown in Figures 1-4 The utility model provides a kind of clamping tool special for bridge shell welding, including base 1, the center plate 2 and two mutually symmetrical end plate 3 are fixed on the base, the center plate 2 is fixed with the positioning pin 21, lifting pin 23 and guide pin 22 of uniform distribution, two the end plate 3 is fixed with mutually symmetrical clamping assembly 4, each group The clamping assembly includes clamping plate 42, positioning plate 43, pull-in spring 44 and two guide shafts 41, the guide shaft 41 is divided into two sections, inner section is fixed in end plate 3, outer section projects end plate 3, the positioning plate 43 can be slidably arranged on the outer section of guide shaft 41, the positioning plate 43 is fixed in the end of outer section of guide shaft 41, the end plate 3 is fixed with tension column 31, one end of pull-in spring 44 is connected in tension column 31, the other end is connected on the inner wall of clamping plate 42, the middle position of the upper portion of clamping plate 42 is provided with U-shaped seat 421.Bridge shell 8 is buckled on positioning pin 21, lifting pin 23 and guide pin 22, the shaft head of bridge shell both ends is located in U-shaped seat, and the clamping plate 42 of clamping assembly 4 is inwardly clamped to fixed disc 82 on bridge shell, to clamp and position bridge shell.
[0022] As a preferred implementation, two through holes are provided on the positioning plate 42, two guide sleeves 422 coaxial with the through holes are fixed on the outer wall of the positioning plate 42, and the guide shaft 41 passes through the through holes and the guide sleeves 422. The clamping plate can slide and be clamped inwardly under the action of the tension spring 41.
[0023] As a preferred implementation, a V-shaped seat 431 is provided at the middle position of the upper portion of the positioning plate 43, and a rubber pad can be fixed on the V-shaped seat to facilitate the placement of the bridge shell and assist in fixing the bridge shell.
[0024] As a preferred implementation, a spring pin 45 is fixed on the outer wall of each clamping plate 42 on both sides of the U-shaped seat 421, the pin head 451 of the spring pin passes through the clamping plate 42, and the pin head matches the fixing hole on the fixed disc 82 of the bridge shell. After the clamping plate 42 clamps the bridge shell 8, the pin head is inserted into the fixing hole to prevent the bridge shell from rotating.
[0025] As a preferred embodiment, the inner wall of the clamping plate 42 on both sides of the U-shaped seat 421 is fixed with a pad 46, and the clamping plate is clamped to the axle housing through the pad.
[0026] As a preferred embodiment, the spring pin 45 is on the upper side of the U-shaped seat 421, and the pad 46 is on the lower side; the spring pin 45 is on the lower side of the other side of the U-shaped seat 421, and the pad 46 is on the upper side, which are symmetrically arranged obliquely to keep balance.
[0027] As a preferred embodiment, two positioning pins 21, two lifting pins 23 and four guide pins 22 are provided, which are spaced apart from each other and have the same height, and the positioning pin 21 is fixed with a positioning column 211, and the guide pin 22 is fixed with a conical table 221.
[0028] The guide pin 22 and the conical table 221 facilitate the smooth buckling of the axle housing on the positioning pin and the lifting pin, the positioning pin 21, the positioning column 211 and the lifting pin 23 preliminarily position and support the buckled axle housing, and then the clamping plate of the clamping assembly clamps the fixed disc on the axle housing inwardly to clamp and position; the spring pin is inserted into the mounting hole of the fixed disc of the axle housing to prevent the axle housing workpiece from rotating, the tooling clamp is stable, and the welding precision is high.
[0029] The parts not described in the utility model are the common technology of the technical personnel in the technical field. Finally, it is pointed out that the above examples are only used to illustrate the technical scheme of the utility model and are not limited. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the utility model technical scheme, which should be covered in the claim range of the utility model.
Claims
1. A clamping tool special for axle housing welding, comprising a base, a center plate and two symmetrical end plates fixed on the base, characterized in that: The center plate is fixed with uniformly distributed positioning pins, lifting pins and guide pins, and two end plates are fixed with mutually symmetrical clamping assemblies, Each clamping assembly includes a clamping plate, a positioning plate, a pull-in spring and two guide shafts, the guide shafts are divided into two sections, the inner section is fixed on the end plate, and the outer section protrudes from the end plate, the positioning plate is slidably arranged on the outer section of the guide shaft, the positioning plate is fixed on the end of the outer section, the end plate is fixed with a tensioning column, one end of the pull-in spring is connected to the tensioning column, and the other end is connected to the inner wall of the clamping plate, and a U-shaped seat is formed in the middle of the upper part of the clamping plate.
2. The axle housing welding specific fixture of claim 1 wherein: Two through holes are formed in the positioning plate, two guide sleeves coaxial with the through holes are fixed on the outer wall of the positioning plate, and the guide shafts pass through the through holes and the guide sleeves.
3. The axle housing welding specific fixture of claim 1 wherein: A V-shaped seat is formed in the middle of the upper part of the positioning plate.
4. The axle housing welding specific fixture of claim 1 wherein: A spring pin is fixed on the outer wall of each clamping plate on both sides of the U-shaped seat, and the pin head of the spring pin passes through the clamping plate.
5. The axle housing welding specific fixture of claim 4 wherein: A pad is fixed on the inner wall of each clamping plate on both sides of the U-shaped seat.
6. The axle housing welding specific fixture of claim 5 wherein: The spring pin is on one side of the U-shaped seat, and the pad is below, and the spring pin is below and the pad is above on the other side.
7. The axle housing welding specific fixture of claim 1 wherein: There are two positioning pins, two lifting pins and four guide pins, and the positioning pins, lifting pins and guide pins are distributed at intervals.
8. The axle housing welding specific fixture of claim 7 wherein: The positioning pins, lifting pins and guide pins are of the same height, a positioning column is fixed on the positioning pin, and a conical table is fixed on the guide pin.