CN218341213U - U-shaped part outside nut projection welding electrode device - Google Patents
U-shaped part outside nut projection welding electrode device Download PDFInfo
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- CN218341213U CN218341213U CN202120495160.3U CN202120495160U CN218341213U CN 218341213 U CN218341213 U CN 218341213U CN 202120495160 U CN202120495160 U CN 202120495160U CN 218341213 U CN218341213 U CN 218341213U
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Abstract
The utility model discloses a U type spare outside nut projection welding electrode assembly, including projection welding machine, its characterized in that: the connecting base, the adjusting cushion block and the main positioning plate are further included; the connecting base is fixed on a lower mounting seat of the projection welding machine, the connecting base, the adjusting cushion block and the main positioning plate are sequentially fixed through bolts, a positioning sleeve matched with the U-shaped part is arranged above one side of the main positioning plate, and a positioning pin matched with a projection welding nut is arranged above the positioning sleeve; the thickness of the main positioning plate is matched with the opening width of the U-shaped piece. Compared with the prior art, the utility model has the advantages that the structure is convenient, and the projection welding nut is welded outside the U-shaped part by using the projection welding machine; the coaxiality and the welding quality of the projection welding nut and the welded plate hole are effectively ensured; the structure can also meet the welding of the projection welding nuts of the U-shaped parts of the bracket with different opening sizes through the replacement of the backing plate or the adjustment of the thickness; the adoption of the mode of adjusting the cushion block can reduce the processing difficulty and save the material cost and the labor cost.
Description
Technical Field
The utility model belongs to the technical field of vehicle chassis class frame projection welding nut welding, concretely relates to U type spare outside nut projection welding electrode assembly.
Background
The nut is used as a common fastener on an automobile chassis and a frame, most nuts are connected with the plate piece in a projection welding mode, the plate piece and the nut are positioned by adopting a lower electrode, the nut is compressed by the movement of an upper electrode, and meanwhile, the nut welding salient points and the plate are fused into a whole by electrifying. For plate pieces with various types, complex shapes and different structures of automobile chassis workpieces, the plate pieces correspond to different projection welding electrodes, and the requirement of the projection welding machine on design, manufacturing and structure of the electrodes is particularly high if the projection welding machine can smoothly complete projection welding of nuts and welding quality is guaranteed by welding projection welding nuts on the outer side of a U-shaped piece if the plate pieces adopt normal upper and lower cylindrical electrodes.
U-shaped piece inside weld nut projection welding electrode structure in application number 201320090236X "U-shaped piece inside weld nut projection welding electrode structure" includes: go up electrode installation body, electrode cap, cooling water joint, bottom electrode: the method is characterized in that: an electrode cap and a cooling water joint are arranged in an upper electrode mounting body to form an upper electrode assembly, and the upper electrode assembly is mounted and fastened on an upper mounting seat of a projection welding machine through a fastening bolt; the lower electrode is arranged in a lower mounting seat of the projection welding machine. The utility model discloses although the projection welding technical problem of the inboard nut of U type spare has been solved, nevertheless receive upper and lower electrode structure restriction, can't satisfy to the projection welding of the outside nut of U type spare. Meanwhile, due to the influence of the structure of the upper electrode mounting body and the structure of the projection welding nut welded on the inner side, the opening size of the U-shaped part is limited, and the upper electrode mounting body cannot enter the U-shaped part or cannot work due to the limitation of the upper electrode mounting body and the lower electrode mounting body after entering the U-shaped part due to the too small opening size. When the U-shaped piece passes through lower electrode location, its weight all is in the upper end, easily causes U-shaped piece one side to incline, fixes a position inaccurately.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a U type spare outside nut projection welding electrode assembly to solve the problem among the prior art.
The utility model discloses a realize through following technical scheme: u type spare outside nut projection welding electrode assembly, including projection welding machine, its characterized in that: the connecting base, the adjusting cushion block and the main positioning plate are further included; the connecting base is fixed on a lower mounting seat of the projection welding machine, the connecting base, the adjusting cushion block and the main positioning plate are sequentially fixed through bolts, a positioning sleeve matched with the U-shaped part is arranged above one side of the main positioning plate, and a positioning pin matched with a projection welding nut is arranged above the positioning sleeve; the thickness of the main positioning plate is matched with the opening width of the U-shaped piece.
Further: still include adjusting bolt, adjusting bolt sets up the tip at main locating plate, and adjusting bolt's outer edge is along cooperating with the inboard bottom of U type spare.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages that the structure is convenient, and the projection welding nut is welded outside the U-shaped part by using the projection welding machine; the coaxiality and the welding quality of the projection welding nut and the welded plate hole are effectively ensured; the structure can meet the welding requirement of the projection welding nuts of the U-shaped parts of the bracket with different opening sizes through the replacement of the base plate or the adjustment of the thickness; the processing difficulty can be reduced by adopting the mode of adjusting the cushion block, and the material cost and the labor cost are saved.
Drawings
The technical solution of the present invention is further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the fitting structure of the present invention and a U-shaped member;
FIG. 3 is a front view of the structure of the present invention;
fig. 4 is a schematic view of the fitting structure of the projection welding machine of the present invention.
The sequence numbers in the figures illustrate: the welding fixture comprises a base, a positioning sleeve, a positioning base, a projection welding nut, a U-shaped part, a main positioning plate, a regulating cushion block, a connecting base, a positioning pin, a positioning sleeve, a jackscrew threaded hole, a cooling water channel, a projection welding machine, an upper electrode, a lower mounting seat and a regulating bolt, wherein the base is 1, the U-shaped part is 2, the main positioning plate is 3, the regulating cushion block is 4, the connecting base is 5, the positioning pin is 6, the positioning sleeve is 7, the jackscrew threaded hole is 8, the cooling water channel is 9, the projection welding machine is 10, the upper electrode is 11, the lower mounting seat is 12 and the regulating bolt is 13.
Detailed Description
Referring to the attached drawings 1-4, the nut projection welding electrode device on the outer side of the U-shaped part of the structure of the utility model comprises a projection welding machine 10, a connecting base 5, an adjusting cushion block 4 and a main positioning plate 3; the connecting base is fixed on a lower mounting seat 12 of the projection welding machine and is connected with the lower mounting seat (or called a lower platform) of the projection welding machine through 4T-shaped groove bolts, the connecting base, the adjusting cushion block and the main positioning plate are sequentially fixed through bolts to form a U shape, and the adjusting cushion block can be selected from different heights to be matched with U-shaped pieces with different openings; a positioning sleeve 7 matched with the U-shaped part 2 is arranged on one side of the main positioning plate, and a positioning pin 6 matched with the projection welding nut 1 is arranged on the positioning sleeve; the positioning device comprises a main positioning plate, a positioning sleeve, a positioning screw and a positioning pin, wherein the main positioning plate is provided with an inserting slot, the positioning sleeve is inserted into the inserting slot of the main positioning plate and is fixed through the positioning screw, the side surface of the main positioning plate is also provided with a threaded hole of the positioning screw, and the positioning pin and the positioning sleeve are connected and matched in an inserting or threaded connection or integrated forming mode; the thickness of the main positioning plate is smaller than the opening width of the U-shaped part, so that the U-shaped part can be conveniently buckled on the main positioning plate.
Preferably: still include adjusting bolt 13, adjusting bolt sets up the tip at main locating plate, and adjusting bolt's outer edge is along cooperating with the inboard bottom of U type spare, can play the stable effect of keeping U type spare.
Preferably: a cooling water channel 9 is arranged in the main positioning plate, and a cooling water joint communicated with the cooling water channel is arranged on the side surface of the main positioning plate.
Preferably: the positioning pin upper end is provided with the step, can satisfy the function of projection welding nut and welded U type spare simultaneously.
The structure of the scheme is explained in detail in connection with the using process.
The utility model discloses a nut projection welding electrode device on the outer side of a U-shaped part with a structure, which comprises a main positioning plate, an adjusting cushion block, a connecting base, a positioning pin and a positioning sleeve; the connecting bottom plate is connected with a lower electrode base platform of the projection welding machine through 4T-shaped groove bolts, the upper end of a boss of the connecting bottom plate is connected with an adjusting cushion block and a main positioning plate through 4 bolts, two cooling water channels used for cooling water to pass through are arranged on the main positioning plate, a positioning sleeve connected through interference fit is installed at the front end of the boss of the connecting bottom plate, a positioning pin used for positioning a projection welding nut and a welded plate is embedded in the positioning sleeve, and the positioning sleeve is fastened through a top wire by utilizing a top wire through a top wire hole formed in the main positioning plate. When the welding device is used, the main positioning plate, the positioning pin, the positioning sleeve, the projection welding nut and the welded U-shaped piece are cleaned up, the projection welding machine is opened, whether the welding machine works normally is checked, welding parameters, cooling water and the like are included, after the welding machine is determined to be normal, the welded U-shaped piece and the projection welding nut are sequentially placed into the positioning pin for positioning, it is guaranteed that one side of a welding point of the projection welding nut is in contact with the welded U-shaped piece, whether the welded U-shaped piece and the projection welding nut are accurately positioned is visually observed, the projection welding machine is started after the welding machine is determined, the projection welding machine drives the upper electrode 11 to compress the projection welding nut and the welded U-shaped piece, meanwhile, the electrodes reset after welding is completed, the welded U-shaped piece with the projection welding nut is taken down, and welding is completed.
The utility model discloses the problem of current U type spare can't utilize projection welding machine to weld projection welding nut in the outside has effectively been solved to the structure, installs this device on projection welding machine, can satisfy the welding of U type spare outside nut, not only can guarantee nut and panel hole axiality requirement through this device, can also improve production efficiency simultaneously. Simultaneously, the problem that projection nut welding strength can't be guaranteed has still been solved to this scheme, among the current structure, welding nut adopts arc-welding mode fixed-position welding to the unable assurance of welding quality, and this scheme utilizes U type spare nut projection welding electrode assembly bottom electrode to fix a position panel and nut, guarantees projection nut and by welding panel hole axiality, and the top electrode compresses tightly projection nut and welds, greatly reduced because the projection nut that welding strength is not enough leads to drops to influence the problem of whole car security performance.
Claims (3)
1U type spare outside nut projection welding electrode assembly, including projection welding machine, its characterized in that: the connecting base, the adjusting cushion block and the main positioning plate are further included; the connecting base is fixed on a lower mounting seat of the projection welding machine, the connecting base, the adjusting cushion block and the main positioning plate are sequentially fixed through bolts, a positioning sleeve matched with the U-shaped part is arranged above one side of the main positioning plate, and a positioning pin matched with a projection welding nut is arranged above the positioning sleeve; the thickness of the main positioning plate is matched with the opening width of the U-shaped piece.
2. A U-shaped member outside nut projection welding electrode device according to claim 1, wherein: the U-shaped part positioning device is characterized by further comprising an adjusting bolt, wherein the adjusting bolt is arranged at the end part of the main positioning plate, and the outer edge of the adjusting bolt is matched with the bottom of the inner side of the U-shaped part.
3. A U-shaped member outside nut projection welding electrode device according to claim 1, wherein: a cooling water channel is arranged in the main positioning plate, and a cooling water joint communicated with the cooling water channel is arranged on the side surface of the main positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120495160.3U CN218341213U (en) | 2021-03-09 | 2021-03-09 | U-shaped part outside nut projection welding electrode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120495160.3U CN218341213U (en) | 2021-03-09 | 2021-03-09 | U-shaped part outside nut projection welding electrode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341213U true CN218341213U (en) | 2023-01-20 |
Family
ID=84921720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120495160.3U Active CN218341213U (en) | 2021-03-09 | 2021-03-09 | U-shaped part outside nut projection welding electrode device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218341213U (en) |
-
2021
- 2021-03-09 CN CN202120495160.3U patent/CN218341213U/en active Active
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