CN216541478U

CN216541478U - Welding system and welding tool for welding bolts or screws

Info

Publication number: CN216541478U
Application number: CN202121609447.0U
Authority: CN
Inventors: 邓涛; 严格; 刘波; 胡桂金; 罗蜜俏; 甘丽娟
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-05-17
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a welding system and a welding tool for welding bolts or screws, wherein the welding tool is provided with guide through holes which are matched with a welding gun nozzle and a detection pin simultaneously, so that the welding and the detection of the bolts or the screws can be met on the premise of not disassembling a framework main body, the welding efficiency is greatly improved, the number and the positions of the guide through holes of the framework main body correspond to the number and the positions of studs or the screws to be welded on a part to be welded one by one, and thus, after the framework main body and the part to be welded are positioned relatively, the welding and the detection of all studs or screws on the part to be welded can be completed without disassembling, and the welding efficiency is further improved.

Description

Welding system and welding tool for welding bolts or screws

Technical Field

The utility model relates to the technical field of welding, in particular to a welding system and a welding tool for welding bolts or screws in a planting mode.

Background

With the improvement of the performance of arc stud welding equipment, more and more resistance seat welding bolts are changed into stud/screw implantation welding. The welding screw has the advantages that the arc welding gun has good operation man-machine effect and high production efficiency, and a welded part body does not need to be provided with a prefabricated hole, so that the welding screw is suitable for parts needing waterproof sealing performance.

The stud/screw welding process needs to be positioned, and a special welding positioning tool is adopted to position the welding gun at present. After stud/screw welding is carried out, the welding position of the stud or the screw needs to be detected, and then whether the welding position of the stud or the screw is accurate or not is judged, or the deviation between the welding position of the stud or the screw after welding and the standard position is known. The detection of the welding position of the stud or the screw after welding is mainly realized through a detection tool at present.

That is to say, before welding the stud or the screw, the welding positioning tool needs to be installed at the welding station, the welding positioning tool needs to be disassembled after welding is completed, and then the detection tool is installed at the corresponding position to detect the position of the stud or the screw.

From the above description, the existing welding positioning tool and detection tool for stud or screw implantation welding need to be alternately installed and detached, resulting in low welding efficiency.

How to improve the production efficiency of stud or screw implantation welding is a technical problem which is always concerned by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a welding system and a welding tool for improving the production efficiency of stud or screw implantation welding.

The utility model provides a welding tool for welding bolts or screws, which comprises a framework main body, wherein the framework main body is provided with at least one guide through hole, each guide through hole is provided with a peripheral wall matched with a welding gun nozzle and a detection pin, the framework main body also comprises a positioning part, the positioning part is used for being matched with a to-be-welded part to limit a welding station, and under the limiting action of the positioning part, each guide through hole is opposite to a to-be-welded position on the to-be-welded part one by one.

The welding tool provided by the utility model is provided with the guide through holes which are matched with the welding gun nozzle and the detection pin simultaneously, so that the welding and detection of bolts or screws can be met on the premise of not disassembling the framework main body, the welding efficiency is greatly improved, in addition, the number and the positions of the guide through holes of the framework main body correspond to the number and the positions of the studs or screws to be welded on the part to be welded in a one-to-one correspondence mode, after the framework main body and the part to be welded are relatively positioned, the welding and the detection of all the studs or screws on the part to be welded can be completed without disassembling, and the welding efficiency is further improved.

Optionally, the framework comprises a guide sleeve, the framework main body is provided with an installation through hole, the guide sleeve is arranged on the installation through hole, and an inner hole of the guide sleeve is the guide through hole.

Optionally, the positioning component includes a positioning pin shaft, the framework main body is provided with a mounting hole, the positioning pin shaft includes a fixed shaft section and a positioning shaft section, the fixed shaft section is installed inside the mounting hole, and the positioning shaft section is exposed outside the mounting hole and is used for being matched and positioned with the to-be-welded part.

Optionally, the positioning component includes a positioning hole provided in the framework main body, and is used for being matched with and limited by a positioning column on the to-be-welded part.

Optionally, the detection pin includes the detection sleeve, the detection sleeve include with direction through-hole complex periphery wall section, the detection sleeve still including the suit the bolt or the hole of screw.

Optionally, the lower end of the detection sleeve is further provided with at least one tip protruding outwards in the axial direction.

Optionally, the detecting device further comprises a storage rack fixed to the framework main body and used for storing the detecting pin.

Optionally, the detection pin further comprises a clamping shaft section, the storage frame comprises a body, two ends of the body are bent inwards to form two oppositely-arranged elastic sheets, and the clamping shaft section is clamped and positioned between the two elastic sheets.

Optionally, the skeleton body further includes at least one via hole.

In addition, the utility model also provides a welding system for welding the bolts or the screws, which comprises an arc discharge welding gun and any one of the welding tools for welding the bolts or the screws.

Drawings

FIG. 1 is a schematic structural diagram of a welding tool according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a skeletal body according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a guide sleeve according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a positioning pin according to an embodiment of the present invention;

FIG. 5 is a schematic view of a detection sleeve according to an embodiment of the present invention;

FIG. 6 is a schematic view of a storage rack in one embodiment of the utility model.

Wherein, the one-to-one correspondence between the reference numbers and the part names in fig. 1 to 6 is as follows:

1-framework main body, 11-installation through hole, 12-installation hole, 13-through hole, 2-guide sleeve,

21-peripheral wall, 3-positioning pin shaft, 31-positioning shaft section, 32-fixing shaft section, 33-small diameter shaft section,

4-handle, 5-detection sleeve, 51-peripheral wall section, 52-clamping shaft section, 53-tip section,

6-storage rack, 61-body, 62-clamping space and 63-elastic sheet.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a welding tool according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a skeletal body according to an embodiment of the present disclosure; FIG. 3 is a schematic view of a guide sleeve according to an embodiment of the present invention; FIG. 4 is a schematic structural view of a positioning pin according to an embodiment of the present invention; FIG. 5 is a schematic view of a detection sleeve according to an embodiment of the present invention; FIG. 6 is a schematic view of a storage rack in one embodiment of the utility model.

The utility model provides a welding tool for welding bolts or screws, wherein the welding of the bolts or screws refers to welding of the bolts or screws on a part by using a drawn arc welding gun.

The welding tool comprises a framework main body 1, wherein the framework main body 1 is provided with at least one guide through hole, and each guide through hole is provided with a peripheral wall matched with a welding gun nozzle and a detection pin. Wherein detect the round pin and can include detection sleeve 5, detection sleeve 5 include with direction through-hole complex periphery wall section 51, detection sleeve 5 still includes the hole of suit bolt or screw, can overlap according to detection sleeve 5's hole and establish double-screw bolt or screw as the basis, judges whether the welding of double-screw bolt or screw reaches the required precision.

Ideally, the peripheral wall section 51, the inner bore and the guide through bore are coaxial, but some tolerance is allowed in view of the actual machining conditions. The size of the inner bore and the outer diameter of the peripheral wall section 51 may be determined as the case may be.

Certainly, the lower end portion of the detection sleeve 5 in the present invention is further provided with at least one tip portion 53 protruding outward in the axial direction, after the detection sleeve 5 is sleeved on the stud or the screw, the tip portion 53 may contact with the workpiece to be welded, when the detection sleeve 5 is rotated, the tip portion 53 of the detection sleeve 5 may mark a circular mark on the surface of the workpiece to be welded, and the welding deviation direction and the deviation distance of the stud or the screw can be known by comparing the distance between the circular mark and the stud or the screw at the welding position. In other words, in this case, the detection sleeve 5 can not only substantially detect the accuracy of the stud or screw welding position, but also further analyze the performance such as the variation after the stud or screw welding.

The framework main body 1 provided by the utility model can further comprise a positioning part which is used for being matched with a part to be welded to limit a welding station, and under the limiting action of the positioning part, all the guide through holes are opposite to the positions to be welded on the part to be welded one by one.

That is to say, under the effect of locating part, skeleton main part 1 can realize with wait to weld the relative position of piece fixed to the quantity and the position of guiding through-hole on skeleton main part 1 with wait to weld the quantity and the position one-to-one that need weld the double-screw bolt or screw on the piece, skeleton main part 1 with wait to weld the piece after the relative positioning, need not to dismantle just can accomplish wait to weld the welding of all double-screw bolts or screw on the piece and detect work, improve welding efficiency greatly.

The welding tool provided by the utility model is provided with the guide through holes which are matched with the welding gun nozzle and the detection pin simultaneously, so that the welding and detection of bolts or screws can be met on the premise of not disassembling the framework main body 1, the welding efficiency is greatly improved, the number and the positions of the guide through holes of the framework main body 1 correspond to the number and the positions of the studs or screws to be welded on the part to be welded one by one, and thus, after the framework main body 1 and the part to be welded are relatively positioned, the welding and the detection of all the studs or screws on the part to be welded can be completed without disassembling, and the welding efficiency is further improved.

In a specific embodiment, the welding tool may further include a guide sleeve 2, the framework main body 1 is provided with a mounting through hole 11, the guide sleeve 2 is disposed in the mounting through hole 11, and an inner hole of the guide sleeve 2 is a guide through hole.

The guide sleeve 2 is easy to machine.

In a specific embodiment of the present invention, the positioning component may include a positioning pin 3, the framework main body 1 is provided with a mounting hole 12, the positioning pin 3 includes a fixing shaft section 32 and a positioning shaft section 31, the fixing shaft section 32 is mounted inside the mounting hole 12, and the positioning shaft section 31 is exposed outside the mounting hole 12 and is used for positioning in cooperation with the to-be-welded part. Of course, the positioning pin 3 may further include a small-diameter shaft section 33 connected to the fixed shaft section 32 on a side away from the positioning shaft section 31, and when the positioning pin is installed in the installation hole 12, a part of the small-diameter shaft section 33 is also exposed outside the installation hole 12.

The positioning pin shaft is processed in a segmented mode, and the positioning pin shaft is matched with different parts.

Of course, the positioning component may also include a positioning hole provided in the frame body 1, and the positioning hole is used for being matched with and limited by the positioning column on the to-be-welded component. That is, when a protruding positioning column structure is arranged on the part to be welded, the structure can be utilized to realize the matching with the positioning hole of the framework main body 1, and the positioning of the framework main body 1 is realized. Thus, a special positioning pin shaft is not required to be arranged.

In order to facilitate taking and storing of the detection pins, the welding tool according to each embodiment may further include a storage rack fixed to the skeleton body 1 for storing the detection pins.

In one embodiment, the sensing pin may include a clamping shaft segment 52, and the cross-section of the clamping shaft segment 52 may be N-deformed, such as four-deformed, hexagonal, etc., but may also be circular. The storage rack 6 comprises a body 61, two ends of the body 61 are bent inwards to form two oppositely arranged elastic sheets 63, and the clamping shaft section 51 clamps and positions a clamping space 62 between the two elastic sheets 63.

The structure of the storage rack 6 in this embodiment is simple.

In a specific embodiment, the skeleton body 1 further includes at least one through hole 13, and the through hole 13 can reduce the weight of the skeleton body 1 and avoid the excessive load bearing of the to-be-welded parts.

In order to improve the convenience of the welding tool, a handle 4 can be arranged on the framework main body 1.

On the basis of the welding tool, the utility model also discloses a welding system for welding the bolts or the screws in an embedding manner, which comprises the arc discharge welding gun and the welding tool for welding the bolts or the screws in any embodiment.

The welding system comprises the welding tool, so that the welding system has the technical effect of the welding tool.

The welding system and the welding tool for welding the bolts or the screws provided by the utility model are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The welding tool for welding the bolts or the screws is characterized by comprising a framework main body, wherein the framework main body is provided with at least one guide through hole, each guide through hole is provided with a peripheral wall matched with a welding gun nozzle and a detection pin, the framework main body further comprises a positioning part, the positioning part is used for being matched with a part to be welded to limit a welding station, and under the limiting effect of the positioning part, the guide through holes are opposite to the positions to be welded on the part to be welded one by one.

2. The welding tool for implant welding of the bolts or the screws according to claim 1, further comprising a guide sleeve, wherein the framework main body is provided with a mounting through hole, the guide sleeve is arranged in the mounting through hole, and an inner hole of the guide sleeve is the guide through hole.

3. The welding tool for the plant welding of the bolts or the screws according to claim 2, wherein the positioning component comprises a positioning pin shaft, the framework main body is provided with a mounting hole, the positioning pin shaft comprises a fixing shaft section and a positioning shaft section, the fixing shaft section is mounted inside the mounting hole, and the positioning shaft section is exposed outside the mounting hole and is used for being matched and positioned with a to-be-welded part.

4. The welding tool for implanting and welding the bolt or the screw as claimed in claim 2, wherein the positioning component comprises a positioning hole formed in the framework main body and used for being matched with a positioning column on a to-be-welded part for limiting.

5. A welding fixture for imbedding bolts or screws according to claim 2, wherein the detection pin comprises a detection sleeve, the detection sleeve comprises an outer peripheral wall section fitted with the guide through hole, and the detection sleeve further comprises an inner hole in which the bolt or the screw is fitted.

6. A welding fixture for imbedding and welding bolts or screws according to claim 5, wherein the lower end of the detection sleeve is further provided with at least one tip protruding outwards in the axial direction.

7. The welding tool for the implant welding of the bolts or the screws according to claim 2, further comprising a storage rack fixed to the skeleton body for storing the detection pin.

8. The welding tool for welding the bolts or the screws according to claim 7, wherein the detecting pin further comprises a clamping shaft section, the storage rack comprises a body, two ends of the body are bent inwards to form two oppositely arranged elastic sheets, and the clamping shaft section is clamped and positioned between the two elastic sheets.

9. The welding fixture for imbedding bolts or screws according to claim 1, wherein the skeleton body further comprises at least one via hole.

10. A welding system for planting bolts or screws, comprising an arc welding gun, and further comprising the welding tool for planting bolts or screws according to any one of claims 1 to 9.