CN210908473U - A rear combination lamp welding auxiliary positioning tool - Google Patents

Abstract

The utility model discloses a welding auxiliary positioning tool for a rear combination lamp, which comprises a worktable, a positioning mechanism, a supporting mechanism and a clamping mechanism. The positioning mechanism comprises a positioning seat fixed on the worktable, the top of the positioning seat is fixed with a The workpiece positioning hole corresponds to a matching positioning pin; the support mechanism includes a support seat fixed on the worktable, and a support block adapted to the workpiece profile is fixed on the top of the support seat; the clamping mechanism includes a support block fixed on the worktable The fixed seat, the top surface of the fixed seat is provided with a mounting support hinged with one end of the pressing rod, the other end of the pressing rod is provided with a pressing part; the free end of the pressing rod is provided with a radially extending bracket The end of the bracket is fixed with a guide sleeve, when the pressing part acts on the workpiece, the center hole of the guide sleeve corresponds to the position of the stud to be welded on the workpiece. It can precisely locate the stud assembly position, improve the welding consistency of the product, and is easy to operate.

Description

A rear combination lamp welding auxiliary positioning tool

technical field

The utility model relates to a positioning tool, in particular to a welding auxiliary positioning tool for a rear combination lamp.

Background technique

The rear combination lamp of the automobile includes the lampshade and other parts integrated on the lampshade. In order to ensure the assembly requirements of other parts, it is necessary to weld and fix the assembly studs on the lampshade. At present, the welding method of the stud on the lampshade is as follows: use the hand-held lampshade to fix the lampshade, manually position it, and use the stud welding torch to weld the stud in the designated area. This welding method has the problems of inaccurate positioning, complicated operation and poor welding consistency.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a welding auxiliary positioning tool for rear combination lamps, which can precisely locate the stud assembly position, improve the welding consistency of products, and is convenient to operate.

The auxiliary positioning tool for welding rear combination lamps of the utility model includes a worktable, a positioning mechanism, a support mechanism and a clamping mechanism, and the positioning mechanism includes a positioning seat fixed on the worktable, and the top of the positioning seat is fixed with The workpiece positioning hole corresponds to a matching positioning pin; the support mechanism includes a support seat fixed on the worktable, and a support block adapted to the workpiece profile is fixed on the top of the support seat; the clamping mechanism includes a support block fixed on the worktable The fixed seat, the top surface of the fixed seat is provided with a mounting support hinged with one end of the pressing rod, the other end of the pressing rod is provided with a pressing part; the free end of the pressing rod is provided with a radially extending bracket , the end of the bracket is fixed with a guide sleeve, when the pressing part acts on the workpiece, the center hole of the guide sleeve corresponds to the position of the stud to be welded on the workpiece.

Further, the number of the positioning mechanisms is two, and the height of the positioning pin on one of the positioning mechanisms is greater than that of the positioning pin on the other positioning mechanism.

Further, the lower end of the positioning seat is fixedly connected with a first connecting plate, and the first connecting plate and the worktable are fixedly connected by bolts; a first reinforcing rib is provided between the top surface of the first connecting plate and the side wall of the positioning seat plate.

Further, the lower end of the support seat is fixedly connected with the second connecting plate, and the second connecting plate and the worktable are fixedly connected by bolts; a second reinforcing rib is provided between the top surface of the second connecting plate and the side wall of the support seat The support base is provided with vertically distributed adjustment sliding holes, and the support block is provided with lateral positioning bolts and locking nuts which are matched with the adjustment sliding holes.

Further, a limit block is provided on the lower side of the pressing rod close to the hinged position, and the limit block is matched with the limit boss on the fixing seat to limit the rotation angle of the pressing rod.

Further, the worktable is provided with a plurality of installation hole groups distributed in an array, and the positions of the positioning mechanism, the supporting mechanism and the clamping mechanism are adjusted according to actual work requirements.

Further, a supporting mechanism is provided on the worktable near the clamping mechanism, and when the pressing portion of the pressing rod acts on the workpiece, the supporting block of the supporting mechanism is located below the pressing portion.

In the utility model, a radially extending bracket is arranged at the free end of the pressing rod, and the end of the bracket is fixed with a guide sleeve, which not only ensures the pressing and clamping requirements of the workpiece, but also can accurately locate the welding position of the stud, thereby improving the welding performance. consistency.

The utility model is provided with vertically distributed adjustment sliding holes on the support seat, and the support block is provided with lateral positioning bolts and locking nuts that are matched with the adjustment sliding holes, so that the support block can move up and down along the adjustment sliding holes on the support seat. , and then the height of the support block from the ground can be adjusted in time according to the workpiece model, and the versatility is good.

Description of drawings

Fig. 1 is one of the structural representations of the present utility model;

Fig. 2 is the second structural representation of the present utility model;

Fig. 3 is the structural representation of the positioning mechanism of the present invention;

Fig. 4 is the structural representation of the support mechanism of the present invention;

Fig. 5 is the structural representation of the clamping mechanism of the present invention;

FIG. 6 is a schematic structural diagram of the workbench of the present invention.

In the figure, 1—workbench, 11—installation hole group, 2—positioning mechanism, 21—positioning seat, 22—positioning pin, 23—first connecting plate, 24—first reinforcing rib, 3—supporting mechanism, 31 —Support seat, 32—Support block, 33—Second connecting plate, 34—Second reinforcing rib, 35—Adjusting sliding hole, 36—Locating bolt, 37—Lock nut, 4—Clamping mechanism, 41—Fixing Seat, 42—installation support, 43—pressing rod, 44—bracket, 45—limiting block, 46—limiting boss, 5—guide sleeve, 6—workpiece.

Detailed ways

Referring to FIGS. 1 to 5 , the shown auxiliary positioning tool for welding rear combination lamps of an automobile includes a workbench 1 , a positioning mechanism 2 , a support mechanism 3 and a clamping mechanism 4 arranged on the workbench 1 .

The positioning mechanism 2 includes a positioning seat 21 , and the lower end of the positioning seat 21 is fixedly connected to a first connecting plate 23 , and the first connecting plate 23 is fixedly connected to the workbench 1 by bolts. In order to improve the overall rigidity of the positioning structure 2 , a first reinforcing rib 24 is provided between the top surface of the first connecting plate 23 and the side wall of the positioning seat 21 . The top of the positioning seat 21 is fixed with a positioning pin 22 corresponding to the positioning hole of the workpiece 6 .

The number of the positioning mechanisms 2 is two, and the height of the positioning pins 22 on one of the positioning mechanisms 2 is greater than that of the positioning pins 22 on the other positioning mechanism 2 . Using two positioning mechanisms 2 of different sizes to initially position the workpiece 6 improves the positioning accuracy, ensures the welding position accuracy of the subsequent to-be-welded studs, and improves the product quality.

The support mechanism 3 includes a support base 31, the lower end of the support base 31 is fixedly connected with the second connecting plate 33, and the second connecting plate 33 is fixedly connected with the workbench 1 by bolts; in order to improve the rigidity of the support mechanism 3, A second reinforcing rib 34 is provided between the top surface of the second connecting plate 33 and the side wall of the support base 31 . The top of the support seat 31 is fixed with a support block 32 adapted to the shape of the workpiece 6 to effectively support the workpiece 6 . The support base 3 is provided with vertically distributed adjustment sliding holes 35 , and the support block 32 is provided with lateral positioning bolts 36 and locking nuts 37 which are matched with the adjustment sliding holes 35 .

The clamping mechanism 4 includes a fixing base 41 fixed on the workbench 1 , the top surface of the fixing base 41 is provided with a mounting support 42 hinged with one end of the pressing rod 43 , and the other end of the pressing rod 43 is provided with a mounting support 42 . The pressing part; the free end of the pressing rod 43 is provided with a radially extending bracket 44, and the end of the bracket 44 is fixed with a guide sleeve 5. When the pressing part of the pressing rod 43 acts on the workpiece 6, the guide sleeve 5 The central hole corresponds to the position of the stud to be welded on the workpiece 6 .

A limiting block 45 is provided on the lower side of the pressing rod 43 near the hinge position. The limiting block 45 is matched with the limiting boss 46 on the fixing seat 41 to limit the rotation angle of the pressing rod 43 .

The worktable 1 is provided with a plurality of installation hole groups 11 distributed in an array, and the positions of the positioning mechanism 2 , the supporting mechanism 3 and the clamping mechanism 4 are adjusted according to actual work requirements.

A support mechanism 3 is provided on the worktable 1 near the clamping mechanism 4 . When the pressing portion of the pressing rod 43 acts on the workpiece 6 , the support block 32 of the supporting mechanism 3 is located below the pressing portion. The support block 32 and the pressing portion simultaneously act on the profile surface of the workpiece 6 from the upper and lower sides of the workpiece, thereby improving the stability of the pressing and fixing of the workpiece 6 and avoiding the risk of deformation of the workpiece 6 caused by the unidirectional pressing of the pressing portion.

When working, adjust the installation positions of the positioning mechanism 2, the support mechanism 3 and the clamping mechanism 4 on the worktable according to the size of the workpiece 6, and align the positioning holes on the workpiece 6 with the positioning pins 22 on the positioning mechanism 2 to insert the workpiece. 6 Positioning. Then, the pressing rod 43 is rotated to drive the pressing part to displace. Under the action of the pressing part and the support mechanism 3, the workpiece is well fixed on the positioning tool. At this time, the guide sleeve 5 at the end of the bracket 44 is aimed at the workpiece 6 On the welding position of the stud to be welded, the stud welding gun realizes the welding and fixing of the stud through the guide sleeve, the positioning is accurate, the welding consistency is good, and the product quality is improved.

It should be pointed out that the above-mentioned preferred embodiment is only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those who are familiar with this technology to understand the content of the present utility model and implement accordingly, and cannot limit the present utility model with this. The scope of protection of the utility model. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. A rear combination lamp welding auxiliary positioning tool, characterized in that it comprises a workbench (1) and a positioning mechanism (2), a support mechanism (3) and a clamping mechanism (4) arranged on the workbench (1). ); The positioning mechanism (2) includes a positioning seat (21) fixed on the worktable (1), and a positioning pin (22) corresponding to the positioning hole of the workpiece (6) is fixed on the top of the positioning seat (21); The support mechanism (3) includes a support seat (31) fixed on the worktable (1), and a support block (32) adapted to the profile of the workpiece (6) is fixed on the top of the support seat (31); The clamping mechanism (4) includes a fixing seat (41) fixed on the workbench (1), and a mounting support ( 42), the other end of the pressing rod (43) is provided with a pressing part; The free end of the pressing rod (43) is provided with a radially extending bracket (44), the end of the bracket (44) is fixed with a guide sleeve (5), when the pressing part acts on the workpiece (6), the guide sleeve (6) (5) The center hole corresponds to the position of the stud to be welded on the workpiece (6). 2 . The auxiliary positioning tool for welding rear combination lamps according to claim 1 , wherein the number of the positioning mechanisms ( 2 ) is two, and the distance between the positioning pins ( 22 ) on one of the positioning mechanisms ( 2 ) is 2. 3 . The ground height is greater than the ground clearance of the positioning pin (22) on the other positioning mechanism (2). 3. The auxiliary positioning tool for welding of rear combination lamps according to claim 1 or 2, characterized in that: the lower end of the positioning seat (21) is fixedly connected with the first connecting plate (23), and the first connecting plate (23) ) and the workbench (1) are fixedly connected by bolts; A first reinforcing rib (24) is provided between the top surface of the first connecting plate (23) and the side wall of the positioning seat (21). 4. The auxiliary positioning tool for welding of rear combination lamps according to claim 1 or 2, characterized in that: the lower end of the support seat (31) is fixedly connected with the second connecting plate (33), and the second connecting plate (33) ) and the workbench (1) are fixedly connected by bolts; A second reinforcing rib (34) is provided between the top surface of the second connecting plate (33) and the side wall of the support seat (31); Vertically distributed adjustment sliding holes (35) are provided on the support base (31), and the support block (32) is provided with lateral positioning bolts (36) and locking bolts (36) adapted to the adjustment sliding holes (35). Nut (37). 5. The auxiliary positioning tool for welding rear combination lamps according to claim 1 or 2, characterized in that: a limit block (45) is provided on the lower side of the pressing rod (43) close to the hinged position, and the limit block (45) ) corresponds to the limiting boss (46) on the fixing seat (41) to limit the rotation angle of the pressing rod (43). 6. The welding auxiliary positioning tool for rear combination lamp according to claim 1 or 2, characterized in that: the workbench (1) is provided with a plurality of mounting hole groups (11) distributed in an array, according to actual work The positions of the positioning mechanism (2), the support mechanism (3) and the clamping mechanism (4) need to be adjusted. 7. The auxiliary positioning tool for welding rear combination lamps according to claim 1 or 2, characterized in that: a support mechanism (3) is provided on the worktable (1) at a position close to the clamping mechanism (4). When the pressing part of the pressing rod (43) acts on the workpiece, the support block (32) of the supporting mechanism (3) is located below the pressing part.

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