Anisotropic bolt welding positioning device

Abstract

The utility model discloses a different-direction bolt welding positioning device, which belongs to the technical field of positioning devices and is characterized in that a first positioning seat and a first guide frame are mounted on a base, the first guide frame is connected with a connecting frame, the connecting frame is connected with a telescopic cylinder, the telescopic cylinder is connected with a first guide sleeve, and a guide through hole is formed in the first guide frame; the first guide sleeve penetrates through a guide through hole of the first guide frame; a second positioning seat and a second guide frame are mounted on the base, the second guide frame is connected with a connecting frame, the connecting frame is connected with a telescopic cylinder, the telescopic cylinder is connected with a second guide sleeve, a guide through hole is formed in the second guide frame, and the second guide sleeve penetrates through the guide through hole of the second guide frame; and counter bores are respectively formed in the lower ends of the first guide sleeve and the second guide sleeve. Compared with the prior art, the device has the characteristic of completing positioning of the incongruous stud through one-time clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning device technical field, especially a kind of opposite direction bolt welding positioning device. BACKGROUND

[0002] When processing parts with complex curved surfaces such as trailer hooks, especially when opposite direction double bolts need to be welded on these curved surfaces, the entire manufacturing process will encounter many technical challenges. To address these challenges, reduce the difficulty of making fixtures (i.e., process equipment, tools and equipment used to assist in processing, positioning, installation, or protect workpieces), and ensure the convenience of welding operations, a common process method is to design and manufacture a set of dedicated fixture jigs for each bolt position.

[0003] Although this approach can ensure accurate positioning of the bolts and welding quality, since each set of fixtures is only for one bolt position, after the welding of the first bolt is completed, the workpiece must be removed from the fixture first, then flipped or repositioned to be installed on another set of fixtures for the welding of the second bolt. This means that the workpiece needs to be loaded and unloaded twice during the entire welding process, which undoubtedly increases the complexity and time cost of the operation.

[0004] Frequent loading and unloading of workpieces not only consumes more labor, prolongs the production cycle, but also can cause errors in the workpiece during multiple handling processes, affecting the accuracy and consistency of the final product. In addition, this production method constitutes a significant obstacle to improving production efficiency, especially in a large-scale production environment, this inefficiency directly leads to a decrease in production capacity and an increase in cost. SUMMARY

[0005] The utility model aims at the deficiency of above prior art, provide a kind of opposite direction bolt welding positioning device, achieve the purpose of one-time clamping to complete opposite direction bolt positioning.

[0006] The utility model provides a kind of opposite direction bolt welding positioning device, it is characterized by: including base, first positioning mechanism and second positioning mechanism, first positioning mechanism and second positioning mechanism are installed on the base, first positioning mechanism and second positioning mechanism are used for clamping and positioning opposite direction bolt, and the position of corresponding trailer hook welding opposite direction bolt is respectively;The first positioning mechanism includes first locating seat, first guide frame, telescopic cylinder and first guide sleeve, first locating seat and first guide frame are installed on the base, first guide frame is connected with connecting frame, connecting frame is connected with telescopic cylinder, telescopic cylinder is connected with first guide sleeve, guide hole is equipped on first guide frame, first guide sleeve passes through the guide hole of first guide frame, and the both are sliding fit;The second positioning mechanism includes second locating seat, second guide frame, telescopic cylinder and second guide sleeve, second locating seat and second guide frame are installed on the base, second guide frame is connected with connecting frame, connecting frame is connected with telescopic cylinder, telescopic cylinder is connected with second guide sleeve, guide hole is equipped on second guide frame, second guide sleeve passes through the guide hole of second guide frame, and the both are sliding fit;The lower end of first guide sleeve and second guide sleeve is equipped with counterbore respectively, and counterbore is used for installing opposite direction bolt.

[0007] Further, the first locating seat is equipped with hexagonal positioning slot, the hexagonal positioning slot corresponds with the hexagonal through hole of trailer hook, and the first locating seat is inserted into the first positioning block in the hexagonal positioning slot.

[0008] Further, the upper end of first guide sleeve is equipped with connecting slot, and the inner rod of telescopic cylinder is connected with the connecting slot of first guide sleeve through connecting block.

[0009] Further, the second locating seat is equipped with second positioning block and third positioning block, and the second positioning block and third positioning block correspond with the through hole on trailer frame respectively.

[0010] Further, the upper end of second guide sleeve is equipped with connecting slot, and the inner rod of telescopic cylinder is connected with the connecting slot of second guide sleeve through connecting block.

[0011] Further, the outer wall of first guide sleeve and second guide sleeve is equipped with threaded through hole respectively, and the threaded through hole is through with counterbore, the threaded through hole of first guide sleeve and second guide sleeve is screwed with wave bead screw respectively, and the opposite direction bolt can be fixed in the counterbore of first guide sleeve or second guide sleeve by rotating wave bead screw.

[0012] Further, the telescopic cylinder is hydraulic telescopic rod, air cylinder or electric telescopic rod.

[0013] Compared with prior art, the utility model has the following outstanding beneficial effects:

[0014] 1. The utility model discloses can once clamping complete the positioning of the different direction stud, make the positioning accuracy of different direction stud height, guarantee the position degree of different direction stud after welding.

[0015] 2. The utility model discloses through using the wave pearl screw fixed different direction bolt, can realize quick loading and unloading, improved production efficiency. ACCURACY

[0016] Figure 1 It is the structure diagram of the utility model Figure One ;

[0017] Figure 2 It is the structure diagram of the utility model Figure Two ;

[0018] Figure 3 It is Figure 2 the local enlarged view of A part in

[0019] Among them, 1, base, 2, first positioning mechanism, 201, first positioning seat, 202, first guide frame, 203, first guide sleeve, 204, first positioning block, 3, second positioning mechanism, 301, second positioning seat, 302, second guide frame, 303, second guide sleeve, 304, second positioning block, 305, third positioning block, 4, connecting frame, 5, telescopic cylinder, 6, connecting block, 7, wave pearl screw. CONCRETE EMBODIMENT

[0020] The utility model is further explained below combining with the specific embodiment of the drawing and the specific embodiment.

[0021] As Figure 1 And 2 The utility model discloses base 1, first positioning mechanism 2 and second positioning mechanism 3.

[0022] The base 1 is installed with first positioning mechanism 2 and second positioning mechanism 3, and first positioning mechanism 2 and second positioning mechanism 3 are used for clamping and positioning different direction bolt, and the position of different direction bolt corresponding trailer hook welding is respectively.

[0023] The first positioning mechanism 2 includes a first positioning seat 201, a first guide frame 202, a telescopic cylinder 5, and a first guide sleeve 203. The first positioning seat 201 and the first guide frame 202 are installed on the base 1. The first positioning seat 201 is provided with a hexagonal positioning groove, which corresponds to the hexagonal through hole of the trailer hook. A first positioning block 204 is inserted into the hexagonal positioning groove of the first positioning seat 201. The first guide frame 202 is connected to the connecting frame 4, and the connecting frame 4 is connected to the telescopic cylinder 5. The upper end of the first guide sleeve 203 is provided with a connecting groove. The inner rod of the telescopic cylinder 5 is connected to the connecting groove of the first guide sleeve 203 through the connecting block 6. The first guide frame 202 is provided with a guide through hole, and the first guide sleeve 203 passes through the guide through hole of the first guide frame 202, and the two are slidably engaged.

[0024] The second positioning mechanism 3 includes a second positioning seat 301, a second guide frame 302, a telescopic cylinder 5, and a second guide sleeve 303. The second positioning seat 301 and the second guide frame 302 are installed on the base 1. The second positioning seat 301 is equipped with a second positioning block 304 and a third positioning block 305, which correspond to the through holes on the trailer frame. The second guide frame 302 is connected to the connecting frame 4, and the connecting frame 4 is connected to the telescopic cylinder 5. The upper end of the second guide sleeve 303 is provided with a connecting groove. The inner rod of the telescopic cylinder 5 is connected to the connecting groove of the second guide sleeve 303 through the connecting block 6. The second guide frame 302 is provided with a guide through hole, and the second guide sleeve 303 passes through the guide through hole of the second guide frame 302, and the two are slidably engaged.

[0025] The lower ends of the first guide sleeve 203 and the second guide sleeve 303 are respectively provided with countersunk holes, which are used to install anti-directional bolts.

[0026] like Figure 3 As shown, the outer walls of the first guide sleeve 203 and the second guide sleeve 303 are respectively provided with threaded through holes, which are connected to the countersunk holes. The threaded through holes of the first guide sleeve 203 and the second guide sleeve 303 are respectively threadedly engaged with the ball screw 7. By rotating the ball screw 7, the anti-directional bolt can be fixed in the countersunk hole of the first guide sleeve 203 or the second guide sleeve 303.

[0027] In the optimized solution, the telescopic cylinder 5 is a hydraulic telescopic rod, a pneumatic cylinder, or an electric telescopic rod.

[0028] The operation process is as follows: when the utility model is used, the telescopic cylinder 5 respectively pulls up the first guide sleeve 203 and the second guide sleeve 303; the trailer hook is placed on the first positioning seat 201 and the second positioning seat 301, the first positioning block 204 is inserted into the hexagonal through hole of the trailer hook and the hexagonal positioning groove of the first positioning seat 201, the second positioning block 304 and the third positioning block 305 are inserted into the corresponding through holes of the trailer frame, the positioning of the trailer hook is completed; the opposite direction bolt is respectively inserted into the counterbore of the first guide sleeve 203 and the second guide sleeve 303, the wave bead screw 7 is used to prevent the opposite direction bolt from slipping off; the telescopic cylinder 5 pushes the first guide sleeve 203 and the second guide sleeve 303, the opposite direction bolt is respectively sent to the welding surface of the trailer hook, and the pressure is kept; after welding, the telescopic cylinder 5 retreats, the first guide sleeve 203 and the second guide sleeve 303 are pulled back to the starting position; the welded trailer hook is taken out from the first positioning seat 201 and the second positioning seat 301.

[0029] It should be noted that the specific embodiments of the utility model have been described in detail, and various obvious changes made by those skilled in the art without departing from the spirit and scope of the utility model are within the protection scope of the utility model.

Claims

1. A positioning device for welding counter-rotating bolts, characterized in that: The system includes a base (1), a first positioning mechanism (2), and a second positioning mechanism (3). The base (1) is equipped with the first positioning mechanism (2) and the second positioning mechanism (3). The first positioning mechanism (2) and the second positioning mechanism (3) are used to clamp and position the anti-directional bolts, and respectively correspond to the positions of the anti-directional bolts welded to the trailer hook. The first positioning mechanism (2) includes a first positioning seat (201), a first guide frame (202), a telescopic cylinder (5), and a first guide sleeve (203). The base (1) is equipped with the first positioning seat (201) and the first guide frame (202). The first guide frame (202) is connected to the connecting frame (4), the connecting frame (4) is connected to the telescopic cylinder (5), and the telescopic cylinder (5) is connected to the first guide sleeve (203). The first guide frame (202) is provided with a guide through hole. The guide sleeve (203) passes through the guide through hole of the first guide frame (202), and the two are slidably engaged; the second positioning mechanism (3) includes a second positioning seat (301), a second guide frame (302), a telescopic cylinder (5), and a second guide sleeve (303). The second positioning seat (301) and the second guide frame (302) are installed on the base (1). The second guide frame (302) is connected to the connecting frame (4), the connecting frame (4) is connected to the telescopic cylinder (5), and the telescopic cylinder (5) is connected to the second guide sleeve (303). The second guide frame (302) is provided with a guide through hole, and the second guide sleeve (303) passes through the guide through hole of the second guide frame (302), and the two are slidably engaged; the lower ends of the first guide sleeve (203) and the second guide sleeve (303) are respectively provided with countersunk holes, which are used to install anti-directional bolts.

2. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The first positioning seat (201) is provided with a hexagonal positioning groove, which corresponds to the hexagonal through hole of the trailer hook. A first positioning block (204) is inserted into the hexagonal positioning groove of the first positioning seat (201).

3. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The upper end of the first guide sleeve (203) is provided with a connecting groove, and the inner rod of the telescopic cylinder (5) is connected to the connecting groove of the first guide sleeve (203) through the connecting block (6).

4. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The second positioning seat (301) is equipped with a second positioning block (304) and a third positioning block (305), which correspond to the through holes on the trailer frame.

5. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The upper end of the second guide sleeve (303) is provided with a connecting groove, and the inner rod of the telescopic cylinder (5) is connected to the connecting groove of the second guide sleeve (303) through the connecting block (6).

6. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The outer walls of the first guide sleeve (203) and the second guide sleeve (303) are respectively provided with threaded through holes, which are connected to the countersunk holes. The threaded through holes of the first guide sleeve (203) and the second guide sleeve (303) are respectively threadedly engaged with ball screws (7). By rotating the ball screws (7), the anti-directional bolts can be fixed in the countersunk holes of the first guide sleeve (203) or the second guide sleeve (303).

7. The anti-directional bolt welding positioning device according to claim 1, characterized in that: The telescopic cylinder (5) is a hydraulic telescopic rod, a pneumatic cylinder, or an electric telescopic rod.

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