CN219484746U - Axle sleeve welding positioning device - Google Patents
Axle sleeve welding positioning device Download PDFInfo
- Publication number
- CN219484746U CN219484746U CN202320153968.2U CN202320153968U CN219484746U CN 219484746 U CN219484746 U CN 219484746U CN 202320153968 U CN202320153968 U CN 202320153968U CN 219484746 U CN219484746 U CN 219484746U
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- China
- Prior art keywords
- clamping
- mounting seat
- mounting
- axle sleeve
- positioning device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The axle sleeve welding positioning device comprises a machine base, two clamping assemblies and a driving unit; the clamping assembly comprises a mounting seat, two opposite clamping pieces and an elastic piece; the two clamping pieces are pivoted on the mounting seat, an arc-shaped clamping surface is arranged on each clamping piece, one end of the elastic piece abuts against the mounting seat, and the other end of the elastic piece abuts against the adjacent edge of the two clamping pieces; one of the clamping assemblies is provided with a positioning pin, one end of the positioning pin is arranged on the mounting seat, and the other end of the positioning pin is arranged between the adjacent edges of the two clamping pieces and protrudes out of the two clamping surfaces; the mounting seat of one clamping assembly is fixed on the base, and the driving unit is used for driving the other clamping assembly to move close to or away from one clamping assembly; when the other clamping assembly approaches one of the clamping assemblies, the clamping surfaces on the two clamping assemblies encircle the outer peripheral surface of the shaft sleeve to clamp the shaft sleeve. The utility model improves the welding precision of the shaft sleeve and the axle.
Description
Technical Field
The utility model relates to the technical field of vehicle part machining, in particular to a welding and positioning device for an axle sleeve.
Background
When the axle is assembled with the suspension system, the axle is usually welded with a shaft sleeve, the suspended main beam is sleeved on the shaft sleeve, and the suspended main beam is prevented from being directly welded with the axle through shaft sleeve transition, so that the welding seam exists in the most concentrated stress region formed at the matching position of the axle and the suspended main beam, and the axle is ensured to have better strength. When the shaft sleeve is welded with the axle, the shaft sleeve is required to be sleeved on the axle, then the shaft sleeve is clamped and fixed on the axle by utilizing the positioning tool, and the positioning precision is lower due to the fact that the shaft sleeve cannot be clamped circumferentially by the existing positioning tool, so that the welding precision of the shaft sleeve and the axle is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a welding positioning device for an axle sleeve of an axle, so as to improve the welding precision of the axle and the axle sleeve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the axle sleeve welding positioning device comprises a machine base, two clamping assemblies which are oppositely arranged, and a driving unit;
the clamping assembly comprises a mounting seat, two opposite clamping pieces and an elastic piece; the two clamping pieces are pivoted on the mounting seat, an arc-shaped clamping surface is arranged on each clamping piece, one end of the elastic piece abuts against the mounting seat, and the other end of the elastic piece abuts against the adjacent edge of the two clamping pieces; one of the clamping assemblies is provided with a positioning pin, one end of the positioning pin is arranged on the mounting seat, and the other end of the positioning pin is arranged between the adjacent edges of the two clamping pieces and protrudes out of the two clamping surfaces;
the mounting seat of one clamping assembly is fixed on the base, and the driving unit is used for driving the other clamping assembly to move close to or away from one clamping assembly; when the other clamping assembly approaches one of the clamping assemblies, the clamping surfaces on the two clamping assemblies encircle the outer peripheral surface of the shaft sleeve to clamp the shaft sleeve.
Two ends of the clamping piece are respectively fixed with a stop block, and the two stop blocks are respectively positioned at two ends of the clamping surface.
The clamping piece comprises an arc-shaped plate and a rotating part with a circular cross section, wherein the rotating part protrudes from the back surface of the arc-shaped plate, and the inner surface of the arc-shaped plate forms a clamping surface; the mounting seat is provided with a mounting surface and two clamping grooves extending along the length direction of the mounting seat, the cross section of each clamping groove is circular, an opening is formed in the mounting surface of each clamping groove, the rotating parts of the two clamping pieces are respectively embedded in the corresponding clamping grooves and are in pivot fit with the mounting seat, and the joint parts of the rotating parts and the arc plates are arranged at the opening of each clamping groove.
One end of the clamping groove extends to one end face of the mounting seat and forms an inserting port, a baffle is detachably fixed on the end face of the mounting seat, and the baffle is covered at the inserting port of the clamping groove and abuts against one end of the rotating part.
One side of the back surface of the clamping piece, which is far away from the elastic piece, is fixed with a limiting baffle piece, and the limiting baffle piece is matched with the mounting surface of the mounting seat to form a limiting assembly, and the limiting assembly is used for limiting the maximum angle of the clamping piece swinging towards the outer side.
One end of the elastic piece is propped against the position, which is positioned between the openings of the two clamping grooves, on the mounting surface, and the other end of the elastic piece is propped against the back of one side, which is close to the arc plates of the two clamping pieces, of the elastic piece.
The mounting surface of the mounting seat is provided with a mounting hole, the positioning pin is connected in the mounting hole in a penetrating way, the positioning pin is provided with a boss propped against the inner wall of the mounting hole, and the mounting hole is internally provided with an elastic element for pushing the positioning pin towards the mounting surface.
The adjacent edges of the arc plates of the two clamping pieces are provided with avoidance concave positions, and the avoidance concave positions on the two arc plates enclose an avoidance hole for the positioning pin to pass through.
The driving unit is a gas-liquid pressurizing cylinder, the cylinder body of the gas-liquid pressurizing cylinder is fixed on the machine base, and the mounting seat of the other clamping assembly is connected to the telescopic rod of the gas-liquid pressurizing cylinder.
A travel switch is arranged on the base, and when the other clamping assembly is close to one clamping assembly, the travel switch is triggered by the installation seat on the other clamping assembly, so that the travel switch controls the pressurizing travel of the gas-liquid pressurizing cylinder to be started.
The utility model has the beneficial effects that:
in the utility model, when the shaft sleeve and the axle are positioned, as the clamping pieces are pivoted on the mounting seat, the pair of clamping pieces respectively arranged on the two clamping assemblies can adapt to the shape of the shaft sleeve, so that the clamping surfaces are well attached to the outer peripheral surface of the shaft sleeve, the shaft sleeve is extruded at each position in the circumferential direction of the shaft sleeve, and finally, the shaft sleeve is well attached to the outer peripheral surface of the axle, thereby improving the welding precision of the shaft sleeve and the axle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of an operating state of the present utility model;
FIG. 4 is a schematic view of the clamping assembly of FIG. 1;
fig. 5 is a schematic diagram illustrating the cooperation between the positioning pin and the mounting base according to the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description:
as shown in fig. 1, 2, 3, 4 and 5, the welding and positioning device for axle sleeve of the present utility model includes a stand 10, a clamping assembly 20, a clamping assembly 30 and a driving unit. The stand 10 is a mounting base part of the whole positioning device, which is generally arranged in a C-shaped structure, the clamping assembly 20 is arranged at the bottom of the C-shaped structure of the stand 10, the whole of the clamping assembly is relatively fixed with the stand 10, the driving unit is arranged at the top of the stand 10, the clamping assembly 30 is relatively movable with the stand 10, the clamping assembly 30 is arranged on the driving unit and is relatively arranged with the clamping assembly 20, and the clamping assembly 30 can move along the height direction under the driving of the driving unit so as to move between a first position close to the clamping assembly 20 and a second position far away from the clamping assembly 20. The structure of the clamp assembly 20 is substantially the same as that of the clamp assembly 30, and the clamp assembly 20 will be described as an example.
The clamping assembly 20 comprises a mounting seat 21, two clamping pieces 22 and a spring 24, wherein the two clamping pieces 22 are arranged on the mounting seat 21 and are opposite to each other, the two clamping pieces 22 are pivotally matched with the mounting seat 21, each clamping piece 22 is provided with an arc-shaped clamping surface 223, and the arc-shaped radius of the clamping surface 223 is approximately equal to that of the shaft sleeve 92; one end of the spring 24 abuts against the mounting seat 21, and the other end abuts against the adjacent edges of the two clamping members 22, that is, the clamping members 22 can have a movement tendency of swinging outwards under the action of elastic stress of the spring 24 due to the pivotal engagement of the clamping members 22 and the mounting seat 21. The clamp assembly 30 is identical to the clamp assembly 20 described above and includes a mounting block 31, two clamps 32, and a spring 34, which are not described in detail herein.
A positioning pin 25 is further provided on the clamping assembly 20, one end of the positioning pin 25 is mounted on the mounting seat 21, the other end extends upward and is matched with the hole 921 on the shaft sleeve 92, specifically, the other end of the positioning pin 25 extends upward and is placed between the adjacent sides of the two clamping members 21, and the other end of the positioning pin 25 protrudes out of the clamping surfaces 223 of the two clamping members 21 and penetrates into the hole 921 of the shaft sleeve 92.
When the clamping assembly 30 is moved to the first position by the driving unit, the clamping surfaces on the two clamping members 31 and the clamping surfaces 223 on the two clamping members 21 together form a cylindrical structure, and the four clamping surfaces encircle the outer peripheral surface of the shaft sleeve 92 to clamp the shaft sleeve 92.
When the welding positioning device is used, the driving unit drives the clamping assembly 30 to be positioned at the second position, the shaft sleeve 92 is sleeved outside the shaft 91, the positioning mechanism is utilized to position the shaft 91 along the axial direction and the central axis position of the shaft 91, the shaft sleeve 92 is arranged on the clamping assembly 20, the positioning pin 25 on the clamping assembly 20 penetrates into the hole 921 of the shaft sleeve 92, then the shaft sleeve 92 is positioned at the axial direction of the shaft 91, the clamping surfaces 223 on the two clamping pieces 22 are abutted against the outer surface of the shaft sleeve 92, the driving unit is utilized to drive the clamping assembly 30 to move to the first position, the clamping surfaces on the two clamping pieces 32 on the clamping assembly 30 are abutted against the outer circumferential surface of the shaft sleeve 92, at the moment, the clamping surfaces on the four clamping pieces encircle the outer circumferential surface of the shaft sleeve 92, and the four clamping surfaces clamp the shaft sleeve 92 at the same time, so that the shaft sleeve 92 is abutted against the outer circumferential surface of the shaft sleeve 91, and at the moment, the end part of the shaft sleeve 92 and the shaft 91 can be welded. In the utility model, when the shaft sleeve and the axle are positioned, as the clamping pieces are pivoted on the mounting seat, the pair of clamping pieces respectively arranged on the two clamping assemblies can adapt to the shape of the shaft sleeve, so that the clamping surfaces are well attached to the outer peripheral surface of the shaft sleeve, the shaft sleeve is extruded at each position in the circumferential direction of the shaft sleeve, and finally, the shaft sleeve is well attached to the outer peripheral surface of the axle, thereby improving the welding precision of the shaft sleeve and the axle.
In order to further limit the position of the shaft sleeve 92 in the axial direction of the axle 91 and improve the positioning accuracy, the utility model fixes a stop 225 at each end of the clamping member 22, wherein the two stop 225 are respectively positioned at each end of the clamping surface 223, and the two stop 225 respectively abut against each end of the shaft sleeve 92 when the shaft sleeve 92 is clamped. Similarly, a stopper is provided at each end of the holder 32.
In a preferred embodiment, the clamping member 22 includes an arc plate 222, a rotation part 221 is convexly arranged at the middle of the back of the arc plate 222, the cross section of the rotation part 221 is circular, and the inner surface of the arc plate 222 forms a clamping surface 223; the upper surface of mount pad 20 forms a mounting surface 221, still be provided with two draw-in grooves 212 that extend along its length direction on the mount pad 20, the cross section of draw-in groove 212 is circular, it is unanimous with the cross sectional shape of rotation portion 221, and draw-in groove 212 forms an opening on mounting surface 221, rotation portion 221 of two holders 22 inlay respectively in two draw-in grooves 212, because its cross section of two is circular, make rotation portion 221 can rotate in draw-in groove 212, thereby, with holder 22 pin joint on mount pad 21, the opening part of draw-in groove 212 is placed in to the portion that rotation portion 221 links up with arc 222, make arc 222 can place the mounting surface 211 top, and make the holding surface 223 on the arc 222 set up. The manner of connection of the clamping member 32 on the clamping assembly 30 and the mounting seat 31 is the same as described above, and will not be repeated here. For easy installation, one end of the clamping groove 212 may be extended to one end face of the mounting seat 21, and the one end of the clamping groove 212 may form an insertion port on the end face of the mounting seat 21, a baffle 213 may be detachably fixed on the end face of the mounting seat 21, after the rotating portion 221 is inserted into the clamping groove 212 from the insertion port of the clamping groove 212, the baffle 213 may be fixed on the end face of the mounting seat 21, the insertion port of the clamping groove 212 may be capped by the baffle 213, and the baffle 213 may be abutted against one end of the rotating portion 221. Of course, the two ends of the clamping groove 212 may be extended to the two end surfaces of the mounting seat 21, and a baffle 213 may be fixed to the two end surfaces of the mounting seat 21, and the two baffles 213 may abut against the two ends of the rotating portion 221. In addition, a limiting baffle plate 23 is fixed on one side of the clamping piece 22 away from the spring 24, the limiting baffle plate 23 and the mounting surface 211 of the mounting seat 21 are matched to form a limiting assembly, when the clamping piece 22 swings outwards to a certain angle, the limiting baffle plate 23 abuts against the mounting surface 211, namely, the limiting assembly is utilized to limit the maximum angle of the clamping piece 22 swinging outwards.
The spring 24 is used for providing an elastic stress for pushing the two clamping members 22 outwards, one end of the spring is propped against the mounting surface 211 at a position between the openings of the two clamping grooves 212, and the other end of the spring is propped against the back of one side of the arc-shaped plates 222 of the two clamping members 22, which are close to each other, so that the two clamping members 22 are simultaneously subjected to the elastic stress of the spring 24; it should be noted that, instead of the spring 24, other elastic members may be used, for example, a rubber block with elasticity, etc., and in any case, the two clamping members 22 may be pushed outward all the time.
The mounting surface 211 of the mounting seat 21 is provided with a mounting hole 214 extending downwards, the positioning pin 25 is connected in the mounting hole 214 in a penetrating way, the positioning pin 25 is provided with a boss, the hole wall of the mounting hole 214 is provided with a step surface, the boss of the positioning pin 25 is propped against the step surface, the mounting hole 214 is internally provided with an elastic element which is used for pushing the positioning pin 25 towards the mounting surface 211, so that a part of the positioning pin 25 protrudes out of the mounting surface 211, the positioning pin 25 can be arranged on the mounting seat 21 in a vertically floating way, and after the positioning pin 25 is connected in a hole 921 on the shaft sleeve 92 in a penetrating way, the position of the shaft sleeve 92 can be self-adapted to float up and down, so that the positioning pin 25 can be completely penetrated into the hole 921, and the positioning precision is improved. The elastic member may be a spring 26, and the lower end of the spring 26 abuts against the mount 21, and the upper end abuts against the positioning pin 25.
The driving unit for driving the clamping assembly 30 to move is a gas-liquid booster cylinder 40, the cylinder body of the gas-liquid booster cylinder 40 is fixed on the machine base 10, and the mounting seat 31 of the clamping assembly 30 is connected to the telescopic rod of the gas-liquid booster cylinder 40; when the axle 91 and the axle sleeve 92 are clamped, the gas-liquid booster cylinder 40 drives the clamping assembly 30 to move downwards, and when the clamping assembly 30 contacts with the axle sleeve 92, the booster stroke of the gas-liquid booster cylinder 40 is opened, so that the downward thrust for pushing the clamping assembly 30 is increased, the clamping force on the axle sleeve 92 is increased, and the axle sleeve 92 is further ensured to be well attached to the part to be welded of the axle 91. The base 10 is provided with a travel switch 50, when the clamping assembly 30 moves downwards to a first position close to the clamping assembly 20, the mounting seat 31 on the clamping assembly 30 triggers the travel switch 50, and the travel switch 50 controls the gas-liquid booster cylinder 40 through signals so that the booster travel of the gas-liquid booster cylinder 40 is started.
In other embodiments, the driving unit may be a common cylinder or an oil cylinder.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and these modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model in essence.
Claims (10)
1. The axle sleeve welding positioning device is characterized by comprising a machine base, two clamping assemblies which are oppositely arranged and a driving unit;
the clamping assembly comprises a mounting seat, two opposite clamping pieces and an elastic piece; the two clamping pieces are pivoted on the mounting seat, an arc-shaped clamping surface is arranged on each clamping piece, one end of the elastic piece abuts against the mounting seat, and the other end of the elastic piece abuts against the adjacent edge of the two clamping pieces; one of the clamping assemblies is provided with a positioning pin, one end of the positioning pin is arranged on the mounting seat, and the other end of the positioning pin is arranged between the adjacent edges of the two clamping pieces and protrudes out of the two clamping surfaces;
the mounting seat of one clamping assembly is fixed on the base, and the driving unit is used for driving the other clamping assembly to move close to or away from one clamping assembly; when the other clamping assembly approaches one of the clamping assemblies, the clamping surfaces on the two clamping assemblies encircle the outer peripheral surface of the shaft sleeve to clamp the shaft sleeve.
2. The axle sleeve welding positioning device as defined in claim 1, wherein two ends of the holding member are respectively fixed with a stopper, and the two stoppers are respectively located at two ends of the holding surface.
3. The axle sleeve welding positioning device as defined in claim 1, wherein the holding member includes an arcuate plate, and a rotating portion having a circular cross section protruding from a back surface of the arcuate plate, an inner surface of the arcuate plate forming the holding surface; the mounting seat is provided with a mounting surface and two clamping grooves extending along the length direction of the mounting seat, the cross section of each clamping groove is circular, an opening is formed in the mounting surface of each clamping groove, the rotating parts of the two clamping pieces are respectively embedded in the corresponding clamping grooves and are in pivot fit with the mounting seat, and the joint parts of the rotating parts and the arc plates are arranged at the opening of each clamping groove.
4. The axle sleeve welding positioning device as defined in claim 3, wherein one end of the clamping groove extends to one end face of the mounting seat and forms an inserting port, a baffle is detachably fixed on the end face of the mounting seat, and the baffle covers the inserting port of the clamping groove and abuts against one end of the rotating part.
5. The axle sleeve welding positioning device as defined in claim 3, wherein a limiting baffle is fixed on one side of the back surface of the clamping member away from the elastic member, and the limiting baffle cooperates with the mounting surface of the mounting seat to form a limiting assembly for limiting the maximum angle of the clamping member swinging towards the outer side.
6. The axle sleeve welding positioning apparatus as defined in claim 3, wherein one end of the elastic member abuts against a mounting surface at a position between the openings of the two clamping grooves, and the other end abuts against a back surface of a side of the arcuate plates of the two clamping members which are adjacent to each other.
7. The axle sleeve welding positioning device as defined in claim 3, wherein the mounting surface of the mounting base is provided with a mounting hole, the positioning pin is penetrated into the mounting hole, the positioning pin is provided with a boss abutting against the inner wall of the mounting hole, and the mounting hole is provided with an elastic element for pushing the positioning pin towards the mounting surface.
8. The axle sleeve welding positioning device as defined in claim 7, wherein the adjacent edges of the arcuate plates of the two clamping members are provided with relief recesses, and the relief recesses on the arcuate plates define a relief hole through which the locating pin passes.
9. The axle sleeve welding positioning device of claim 1, wherein the driving unit is a gas-liquid booster cylinder, the cylinder body of the gas-liquid booster cylinder is fixed on the base, and the mounting seat of the other clamping assembly is connected to the telescopic rod of the gas-liquid booster cylinder.
10. The axle sleeve welding positioning device of claim 9, wherein the machine base is provided with a travel switch, and when the other clamping assembly approaches one of the clamping assemblies, the mounting seat on the other clamping assembly triggers the travel switch to enable the travel switch to control the opening of the pressurizing travel of the gas-liquid pressurizing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153968.2U CN219484746U (en) | 2023-01-17 | 2023-01-17 | Axle sleeve welding positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153968.2U CN219484746U (en) | 2023-01-17 | 2023-01-17 | Axle sleeve welding positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484746U true CN219484746U (en) | 2023-08-08 |
Family
ID=87504514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320153968.2U Active CN219484746U (en) | 2023-01-17 | 2023-01-17 | Axle sleeve welding positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484746U (en) |
-
2023
- 2023-01-17 CN CN202320153968.2U patent/CN219484746U/en active Active
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| GR01 | Patent grant | ||
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