Axle accessory welding positioning device

Abstract

The utility model provides an axle accessory welding positioning device, and relates to the technology of axle accessory welding machining equipment. The device comprises a working table, an axle supporting assembly arranged on the working table and two positioning plates arranged on the working table in a sliding mode, and a cam shaft support positioning assembly and an air chamber support positioning assembly are arranged on the two positioning plates respectively. The camshaft support positioning assembly comprises a base and a swing part arranged on the base in a swing mode, and the swing part is provided with a camshaft support mounting part and a positioning part capable of being positioned on an axle. The air chamber support positioning assembly comprises a base and an installation base arranged on the base in a sliding mode, and an air chamber support installation part is arranged on the installation base. The axle accessory welding positioning device is high in welding production efficiency and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of axle welding processing equipment, and in particular to an axle accessory welding positioning device. Background Art

[0002] When processing semi-trailer axles, positioning welding of the axle body, camshaft bracket and air chamber bracket is an important process.

[0003] There are two main welding methods available. One method uses the camshaft holes on the brake base plates at both ends as a reference, inserts a long rod, and then manually positions the rod using a simple positioning fixture. The other method involves designing and manufacturing a dedicated hydraulic welding machine with accessories to ensure the coaxiality and symmetry of the camshaft and air chamber brackets after welding.

[0004] However, Solution 1 relied on manual positioning, resulting in low positioning accuracy and difficulty ensuring the dimensional accuracy of the camshaft and air chamber brackets, resulting in a low production yield. Solution 2, while still able to guarantee product yields, limited the output capacity of the axle production line due to the complex structure of the hydraulic machine, high capital investment, slow hydraulic speed, low production efficiency, poor equipment versatility, and high labor intensity. Utility Model Content

[0005] To this end, the utility model proposes an axle accessory welding positioning device to at least partially solve the technical problems of high cost and low efficiency of existing axle accessory welding.

[0006] The technical solution of the utility model is as follows:

[0007] A device for welding and positioning an axle accessory comprises a workbench, an axle support assembly disposed on the workbench, and two positioning plates slidably disposed on the workbench, wherein a camshaft support positioning assembly and an air chamber support positioning assembly are respectively disposed on the two positioning plates; the camshaft support positioning assembly comprises a base and a swinging member swingably disposed on the base, the swinging member being provided with a camshaft support mounting portion and a positioning portion capable of positioning on the axle; the air chamber support positioning assembly comprises a base and a mounting seat slidably disposed on the base, the mounting seat being provided with an air chamber support mounting portion;

[0008] The axle can be positioned and supported on the axle support assembly; the positioning plate can slide to position the positioning portion relative to the axle, the camshaft bracket can be installed on the camshaft bracket mounting portion and rotate with the swinging member to abut against the axle; the air chamber bracket can be installed on the air chamber bracket mounting portion and slide with the mounting seat to abut against the axle.

[0009] Furthermore, the axle support assembly includes two mounting plates slidably provided on the workbench, and an adjusting rod rotatably provided on the workbench; and support plates are respectively provided on the two mounting plates, one of the two support plates is provided with a left-handed internal thread, and the other is provided with a right-handed internal thread, and the adjusting rod is correspondingly provided with a left-handed external thread and a right-handed external thread respectively threaded with the left-handed internal thread and the right-handed internal thread.

[0010] Furthermore, a first cylinder is provided on each of the two mounting plates, and output ends of the first cylinders on the two mounting plates are correspondingly connected to the two positioning plates.

[0011] Furthermore, V-shaped grooves are respectively provided on the top ends of the two support plates.

[0012] Furthermore, the adjusting rod includes an intermediate rod and two extension rods; along the length direction of the intermediate rod, a number of positioning holes are evenly and spaced apart on the intermediate rod, and through holes are respectively provided on the two extension rods. The two extension rods can be respectively mounted on the intermediate rod, and the two through holes can correspond to one of the through holes, and the positioning shaft passes through the through hole and is inserted into the positioning hole.

[0013] Furthermore, a hand wheel is provided on one end of the adjusting rod.

[0014] Furthermore, the swinging member includes a swinging plate swingably arranged on the base, and a mounting frame fixed to the swinging plate; the positioning portion is a positioning rod arranged on the mounting frame, the axial direction of the positioning rod is perpendicular to the swinging plane of the swinging plate, and the fixed position of the positioning rod on the mounting frame is adjustable.

[0015] Furthermore, the camshaft support mounting portion is a plurality of positioning pins fixed on the swing plate.

[0016] Furthermore, a cylinder bracket is fixedly provided on the base, a second cylinder is mounted on the cylinder bracket, and an output end of the second cylinder is connected to the mounting seat to push the mounting seat to slide on the base.

[0017] Furthermore, a fixing pin and a pressure plate are provided on the mounting seat, the fixing pin can allow the process hole on the gas chamber bracket to pass through, and the fixing pin includes a small diameter section and a large diameter section connected in series; a long hole is provided on the pressure plate, and the long hole includes a narrow hole section and a wide hole section connected to each other; the width of the narrow hole section is greater than the diameter of the small diameter section and smaller than the diameter of the large diameter section, and the diameter of the wide hole section is greater than the diameter of the large diameter section.

[0018] The working principle and beneficial effects of the utility model are as follows:

[0019] The axle accessory welding positioning device provided by the utility model is provided with two positioning plates, and a camshaft bracket positioning assembly and an air chamber bracket positioning assembly are respectively provided on the two positioning plates, and a positioning part is provided on the camshaft bracket positioning assembly. By positioning the positioning part relative to the axle, the positioning of the camshaft frame and the air chamber bracket relative to the axle can be conveniently completed, and the camshaft bracket and the air chamber bracket can be conveniently welded and fixed on the axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] Figure 1 A three-dimensional diagram of the axle accessory welding and positioning device provided by an embodiment of the utility model;

[0022] Figure 2 A front view of a camshaft support positioning assembly provided by an embodiment of the present utility model;

[0023] Figure 3 A left side view of a camshaft support positioning assembly provided in an embodiment of the present utility model;

[0024] Figure 4 A front view of the axle accessory welding positioning device provided by an embodiment of the utility model;

[0025] Figure 5 A left side view of the axle accessory welding positioning device provided by an embodiment of the utility model;

[0026] Figure 6 for Figure 4 A partial enlarged view of point A in the middle;

[0027] Figure 7 A left side view of the air chamber bracket positioning assembly provided by an embodiment of the present utility model;

[0028] Figure 8 This is a front view of the air chamber bracket positioning assembly provided in an embodiment of the present utility model.

[0029] Figure: 100, workbench; 200, axle support assembly; 210, mounting plate; 220, support plate; 230, adjustment rod; 231, intermediate rod; 232, extension rod; 233, left-hand external thread, 234, right-hand external thread; 240, positioning shaft; 250, first cylinder; 260, handwheel; 201, V-groove; 202, positioning hole; 300, positioning plate; 310, camshaft bracket positioning Positioning assembly; 311, base; 312, swinging member; 313, camshaft bracket mounting portion; 314, positioning pin; 315, positioning portion; 316, swinging plate; 317, mounting frame; 320, air chamber bracket positioning assembly; 321, base; 322, mounting seat; 323, cylinder bracket; 324, second cylinder; 325, fixing pin, 326, pressure plate; 301, narrow hole section; 302, wide hole section. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] This embodiment provides an axle accessory welding positioning device, referring to Figure 1 As shown, it includes a workbench 100, an axle support assembly 200 arranged on the workbench 100, and two positioning plates 300 respectively slidably arranged on the workbench 100, and a camshaft bracket positioning assembly 310 and an air chamber bracket positioning assembly 320 are respectively provided on the two positioning plates 300; the camshaft bracket positioning assembly 310 includes a base 311 and a swinging member 312 swingably arranged on the base 311, and the swinging member 312 is provided with a camshaft bracket mounting portion 313 and a positioning portion 315 capable of positioning on the axle; the air chamber bracket positioning assembly 320 includes a base 321 and a mounting seat 322 slidably arranged on the base 321, and the mounting seat 322 is provided with an air chamber bracket mounting portion.

[0032] The axle can be positioned and supported on the axle support assembly 200, the positioning plate 300 can slide to position the positioning portion 315 relative to the axle, the camshaft bracket can be installed on the camshaft bracket mounting portion 313, and rotate with the swinging member 312 to abut against the axle; the air chamber bracket can be installed on the air chamber bracket mounting portion, and slide with the mounting seat 322 to abut against the axle.

[0033] Generally speaking, the axle accessory welding positioning device of this embodiment positions and fixes the axle through the axle support assembly 200, and fixes the camshaft bracket through the camshaft bracket mounting portion 313 on the positioning plate 300, and fixes the air chamber bracket through the air chamber bracket mounting portion on the positioning plate 300. When the positioning plate 300 slides so that the positioning portion 315 thereon is positioned relative to the axle, the camshaft bracket and the air chamber bracket are accurately positioned relative to the axle. Thereafter, the camshaft bracket and the air chamber bracket can be welded and fixed to the axle.

[0034] For specific structure, refer to Figure 1 、 Figure 3 and Figure 4 As shown, the axle support assembly 200 of this embodiment includes two mounting plates 210 slidably mounted on the workbench 100, and an adjustment rod 230 rotatably mounted on the workbench 100. A support plate 220 is mounted on each of the two mounting plates 210. One of the two support plates 220 is provided with a left-handed internal thread, and the other is provided with a right-handed internal thread. The adjustment rod 230 is provided with a left-handed external thread 233 and a right-handed external thread 234, which are respectively threadedly connected to the left-handed internal thread and the right-handed internal thread.

[0035] In this embodiment, reference Figure 5 As shown, V-shaped grooves 201 are respectively provided on the top ends of the two support plates 220 .

[0036] In this embodiment, by setting up the axle support assembly 200 of the above structure, the two ends of the axle can be placed in the V-groove 201, and then by rotating the adjustment rod 230, the two support plates 220 can be moved closer or farther away until the two support plates 220 abut against the two step surfaces on the axle, thereby completing the positioning of the axle relative to the mounting plate 210.

[0037] In this embodiment, reference Figure 4 As shown, the above-mentioned adjusting rod 230 includes an intermediate rod 231 and two extension rods 232; along the length direction of the intermediate rod 231, a plurality of positioning holes 202 are evenly and spaced apart on the intermediate rod 231, and through holes are respectively provided on the two extension rods 232. The two extension rods 232 can be respectively sleeved on the intermediate rod 231, and the two through holes can correspond to one of the through holes, and the positioning shaft 240 passes through the through hole and is inserted into the positioning hole 202.

[0038] By setting the structure of the above-mentioned adjusting rod 230, the length of the entire adjusting rod 230 can be adjusted by aligning the through holes on the two extension rods 232 with the different positioning holes 202 on the middle rod 231, and the distance between the two support plates 220 can be adjusted, so that the axle accessory welding positioning device can be suitable for axles of different lengths.

[0039] refer to Figure 4 As shown, in this embodiment, a first air cylinder 250 is provided at the bottom of each of the two mounting plates 210, and the output ends of the two first air cylinders 250 are connected to the two positioning plates 300, respectively. That is, in this embodiment, the first air cylinder 250 pushes the corresponding positioning plate 300 to move. In some embodiments, the positioning plates 300 can also be pushed manually, but this is obviously more inconvenient.

[0040] In order to facilitate the rotation of the above-mentioned adjustment rod 230, refer to Figure 1 and Figure 4 As shown, in this embodiment, a hand wheel 260 is fixedly provided on one end of the adjustment rod 230 .

[0041] refer to Figure 2 and Figure 3 As shown, the swing member 312 of this embodiment includes a swing plate 316 swingably arranged on the base 311, and a mounting frame 317 fixed on the swing plate 316; the positioning portion 315 is a positioning rod arranged on the mounting frame 317, and the axial direction of the positioning rod is perpendicular to the swing plane of the swing plate 316.

[0042] In this embodiment, by providing the above-mentioned positioning rod, by inserting one end of the positioning rod into the camshaft hole on the brake base plate pre-welded on the axle, and making the step surface of the positioning rod abut against the end face where the camshaft hole is located, the positioning rod is precisely positioned relative to the axle, and the positioning plate 300, the camshaft bracket positioning assembly 310 and the camshaft bracket thereon, and the air chamber bracket positioning assembly 320 and the air chamber bracket thereon are precisely positioned relative to the axle.

[0043] In this embodiment, reference Figure 2 As shown, the camshaft bracket mounting portion 313 is a plurality of positioning pins 314 fixed to the swing plate 316. Each positioning pin 314 is provided corresponding to a process hole on the camshaft bracket. The camshaft bracket can be fixed to the swing plate 316 by fitting the corresponding process hole on the camshaft bracket over the positioning pin 314.

[0044] refer to Figure 7 As shown, in this embodiment, a cylinder bracket 323 is fixed on the base 321 , a second cylinder 324 is mounted on the cylinder bracket 323 , and an output end of the second cylinder 324 is connected to the mounting base 322 to push the mounting base 322 to slide on the base 321 .

[0045] refer to Figure 7 and Figure 8As shown, a fixing pin 325 and a pressing plate 326 are provided on the mounting seat 322, and the fixing pin 325 can allow the process hole on the gas chamber bracket to pass through, and the fixing pin 325 includes a small diameter section and a large diameter section connected in series; a long hole is provided on the pressing plate 326, and the long hole includes a narrow hole section 301 and a wide hole section 302 connected to each other; the width of the narrow hole section 301 is greater than the diameter of the small diameter section and smaller than the diameter of the large diameter section, and the diameter of the wide hole section 302 is greater than the diameter of the large diameter section.

[0046] By setting the above-mentioned fixing pin 325 and pressure plate 326, the air chamber bracket can be first placed on the fixing pin 325, and then the wide hole section 302 on the pressure plate 326 is passed through the large diameter section and opposite to the small diameter section, and then the pressure plate 326 is slid to make the narrow hole section 301 slide to the bottom of the large diameter section, thereby completing the compression and fixation of the air chamber bracket.

[0047] Based on the above structure, the working process of the axle accessory welding positioning device of this embodiment is as follows:

[0048] Initial state: The distance between the two support plates 220 is adjusted to match the length of the axle; the first cylinder 250 pushes the two positioning plates 300 toward the center of the two support plates 220, and the length of the positioning rod is adjusted according to the specifications of the axle to rotate the swing arm outward; the second cylinder 324 pulls the mounting base 322 down to the bottom position;

[0049] During operation, the first step is to hoist the axle with the brake base plate welded on the two support plates 220, and rotate the hand wheel 260 until the two support plates 220 fit the two step surfaces of the axle, completing the centering positioning of the axle;

[0050] In the second step, the air chamber bracket is placed on the mounting seat 322 and the pressure plate 326 is used to press the air chamber bracket; the camshaft bracket is fixed on the swing plate 316.

[0051] In the third step, the first cylinder 250 pulls the positioning plate 300 until the end of the positioning rod is inserted into the camshaft hole on the brake base plate, and the stepped surface of the positioning rod is in contact with the end surface of the camshaft hole;

[0052] In the fourth step, the swing member 312 is rotated until the camshaft bracket is in contact with the axle, and the second cylinder 324 pushes the mounting seat 322 until the air chamber bracket is in contact with the axle; thereafter, the camshaft frame and the air chamber bracket can be welded and fixed to the axle.

[0053] After welding is completed, the pressing plate 326 is removed, and the second cylinder 324 pulls the mounting base 322 away from the axle; the first cylinder 250 then pushes the positioning plate 300 to disengage the positioning rod from the camshaft hole; the hand wheel 260 is then turned to release the axle and lift out the welded axle.

[0054] This cycle is repeated to continuously complete the welding of axle accessories.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An axle accessory welding positioning device, characterized by: The invention comprises a workbench (100), an axle support assembly (200) arranged on the workbench (100), and two positioning plates (300) respectively slidably arranged on the workbench (100), wherein a camshaft support positioning assembly (310) and an air chamber support positioning assembly (320) are respectively provided on the two positioning plates (300); the camshaft support positioning assembly (310) comprises a base (311) and a swinging member (312) swingably arranged on the base (311), the swinging member (312) being provided with a camshaft support mounting portion (313) and a positioning portion (315) capable of positioning on the axle; the air chamber support positioning assembly (320) comprises a base (311) and a mounting seat (322) slidably arranged on the base (311), the mounting seat (322) being provided with an air chamber support mounting portion; The axle can be positioned and supported on the axle support assembly (200); the positioning plate (300) can slide to position the positioning portion (315) relative to the axle; the camshaft bracket can be mounted on the camshaft bracket mounting portion (313) and rotate with the swing member (312) to abut against the axle; the air chamber bracket can be mounted on the air chamber bracket mounting portion and slide with the mounting seat (322) to abut against the axle.

2. The axle accessory welding positioning device according to claim 1, characterized in that: The axle support assembly (200) comprises two mounting plates (210) slidably arranged on the workbench (100), and an adjusting rod (230) rotatably arranged on the workbench (100); and a supporting plate (220) is respectively provided on the two mounting plates (210), one of the two supporting plates (220) is provided with a left-handed internal thread, and the other is provided with a right-handed internal thread, and the adjusting rod (230) is correspondingly provided with a left-handed external thread (233) and a right-handed external thread (234) respectively screwed to the left-handed internal thread and the right-handed internal thread.

3. The axle accessory welding positioning device according to claim 2, characterized in that: A first cylinder (250) is provided on each of the two mounting plates (210), and the output ends of the first cylinders (250) on the two mounting plates (210) are connected to the two positioning plates (300) respectively.

4. The axle accessory welding positioning device according to claim 2, characterized in that: A V-shaped groove (201) is respectively provided on the top end of the two support plates (220).

5. The axle accessory welding positioning device according to claim 2, characterized in that: The adjusting rod (230) includes an intermediate rod (231) and two extension rods (232); a plurality of positioning holes (202) are evenly and spaced apart along the length direction of the intermediate rod (231); through holes are respectively provided on the two extension rods (232); the two extension rods (232) can be respectively sleeved on the intermediate rod (231); the two through holes can correspond to one of the through holes, and a positioning shaft (240) passes through the through hole and is inserted into the positioning hole (202).

6. The axle accessory welding positioning device according to claim 2, characterized in that: A hand wheel (260) is provided on one end of the adjusting rod (230).

7. The axle attachment welding positioning device according to any one of claims 1 to 6, characterized in that: The swing member (312) includes a swing plate (316) swingably arranged on the base (311), and a mounting frame (317) fixed to the swing plate (316); the positioning portion (315) is a positioning rod arranged on the mounting frame (317), and the axial direction of the positioning rod is perpendicular to the swing plane of the swing plate (316).

8. The axle accessory welding positioning device according to claim 7, characterized in that: The camshaft bracket mounting portion (313) is a plurality of positioning pins (314) fixedly mounted on the swing plate (316).

9. The axle attachment welding positioning device according to any one of claims 1 to 6, characterized in that: A cylinder bracket (323) is fixedly provided on the base (311), a second cylinder (324) is mounted on the cylinder bracket (323), and an output end of the second cylinder (324) is connected to the mounting seat (322) to push the mounting seat (322) to slide on the base (311).

10. The axle accessory welding positioning device according to claim 9, characterized in that: A fixing pin (325) and a pressing plate (326) are provided on the mounting seat (322); the fixing pin (325) is capable of allowing a process hole on the gas chamber bracket to pass through, and the fixing pin (325) includes a small-diameter section and a large-diameter section connected in series; the pressing plate (326) is provided with a long hole, and the long hole includes a narrow hole section (301) and a wide hole section (302) connected to each other; the width of the narrow hole section (301) is greater than the diameter of the small-diameter section and smaller than the diameter of the large-diameter section, and the diameter of the wide hole section (302) is greater than the diameter of the large-diameter section.

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