CN113927913B - Underframe structure rivet welding frock - Google Patents
Underframe structure rivet welding frock Download PDFInfo
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- CN113927913B CN113927913B CN202111426326.7A CN202111426326A CN113927913B CN 113927913 B CN113927913 B CN 113927913B CN 202111426326 A CN202111426326 A CN 202111426326A CN 113927913 B CN113927913 B CN 113927913B
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- 238000003466 welding Methods 0.000 title claims abstract description 154
- 239000002184 metal Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to the technical field of welding structural parts, in particular to a rivet welding tool for an underframe structure. The underframe structure rivet welding tool comprises a tool bottom plate, wherein a coaxial limiting part and a supporting locating part are arranged on the tool bottom plate, the coaxial limiting part and the supporting locating part are distributed on the front side and the rear side of the tool bottom plate, and the welding part A, the welding part B and the welding part C in a workpiece can reach the size specified in the drawing through the matching of the coaxial limiting part and the supporting locating part. According to the underframe structure rivet welding tool provided by the invention, the underframe in the workpiece is effectively positioned by the positioning rib plates, the left side plate and the right side plate are positioned by the positioning core shaft and the concentric positioning disc, and finally the inserting setting core shaft penetrates through the inserting cylinder on the cover plate and is positioned by the positioning support seat, so that the workpiece can reach the size specified by a drawing, the subsequent processing precision of a product is ensured, the product quality is stabilized, and the improvement of labor productivity and the reduction of cost are facilitated.
Description
Technical Field
The invention relates to the technical field of welding structural parts, in particular to a rivet welding tool for an underframe structure.
Background
Rivet welding is a welding mode of electric welding. The usual welding method is to infiltrate the welded object with a welding rod. Typically for welding relatively thick metals. The rivet welding process is particularly suitable for joining parts made of different materials (e.g. plastic and metal). One part is provided with a rivet column which extends into a hole of the other part. The rivet is then deformed by cold flow or melting of the plastic, forming a rivet head, which mechanically locks the two parts together. The process is quick and economical and has the advantage of no need of consuming rivets and screws. By varying the design of the welding head, a plurality of different rivet head designs can be obtained. Rivet welding for general use is recommended to use rivet posts 1.6 to 4mm (1/16-5/32 inch) in diameter. Spherical rivet welding is recommended to use small rivet posts with diameters less than 1.6mm (1/16 inch). Flush rivet welding is used in applications where a flat surface is required. The hollow rivet welding can reduce dents and shrinkage holes to the greatest extent, and rivet columns with diameters larger than 4mm (5/32 inch) are adopted.
For part of the work platform chassis, the chassis is the most important component, and the processing quality of the chassis directly relates to the stability and the safety of the work platform. The rivet welding operation of the underframe is an important means for guaranteeing the machining quality of the underframe structural member, the deformation of the existing welding piece can affect the operability and the accuracy of the next procedure, a plurality of welding bodies are fixed through rivet welding before welding, three points are welded on the welding bodies firstly, then full welding is carried out after measurement, however, the effective fixation of part of the welding piece is difficult to carry out, the follow-up machining precision of a product is difficult to guarantee, the product quality is stable, and the proceeding of the next procedure and the machining quality of a final workpiece are affected. .
Therefore, it is necessary to provide a new rivet welding tool for underframe structure to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the underframe structure rivet welding tool capable of measuring the cutting length, which is time-saving and labor-saving.
The underframe structure rivet welding tool provided by the invention realizes the rapid welding of the welding part A, the welding part B and the welding part C in the workpiece;
the chassis structure rivet welding frock includes:
The tool bottom plate is provided with a coaxial limiting piece and a supporting positioning piece, the coaxial limiting piece and the supporting positioning piece are distributed on the front side and the rear side of the tool bottom plate, and the welding part A, the welding part B and the welding part C in the workpiece can reach the size specified by the drawing through the cooperation of the coaxial limiting piece and the supporting positioning piece.
Preferably, the coaxial limiting part comprises a concentric seat, a rivet welding positioning mandrel and a concentric positioning disc, wherein the concentric seat is provided with two groups of concentric seats which are symmetrically embedded on the tool bottom plate, the rivet welding positioning mandrel is inserted between the two concentric seats, and the rivet welding positioning mandrel is sleeved with the two concentric positioning discs.
Preferably, the support locating piece is provided with two groups and symmetric distribution in the both sides of frock bottom plate tail end, support the locating piece and include location supporting seat, well cartridge, positioning tube and insert and set for the position dabber, the fixed gomphosis of location supporting seat is on the frock bottom plate, just fixed gomphosis has well cartridge on the location supporting seat, well cartridge is last to be fixed gomphosis has the positioning tube, just insert on the positioning tube and be equipped with and insert and set for the position dabber.
Preferably, a plurality of positioning rib plates are fixedly embedded on the tool bottom plate between the coaxial limiting piece and the supporting and positioning piece.
Preferably, the welding component a in the workpiece comprises a bottom plate, side plates, a low front plate, a high rear plate, a through cavity and an inserting opening, the front end and the rear end of the bottom plate are respectively fixedly provided with the low front plate and the high rear plate which are integrally formed, two sides of the bottom plate are fixedly provided with the side plates, the two side plates are provided with the through cavities which are coaxially arranged, and the rear end surfaces of the side plates are provided with the inserting opening.
Preferably, the bottom plate in the welding part a is placed on the tooling bottom plate between the two concentric seats, the rivet welding positioning mandrel penetrates through the through cavities formed in the two side plates in the welding part a, and the concentric positioning disc in the coaxial limiting part is embedded in the through cavities formed in the two side plates.
Preferably, the welding component B in the workpiece comprises a chassis, a tail fishplate, a foot pad, an inner diameter semicircular metal strip, an outer diameter semicircular metal strip and a hollow cavity, wherein the tail fishplate is fixedly embedded in the rear end face of the chassis, the foot pad is fixedly embedded in the lower surface of the chassis, the inner diameter semicircular metal strip and the outer diameter semicircular metal strip are fixedly installed on the chassis through supporting rods, the inner diameter semicircular metal strip and the outer diameter semicircular metal strip are oppositely arranged, and the hollow cavity is formed in the chassis.
Preferably, the chassis in the welding part B is positioned on the tooling bottom plate between the coaxial limiting part and the supporting and positioning part, two side walls of the chassis are respectively propped against the positioning rib plates on the tooling bottom plate, and the front end face of the chassis is inserted into the insertion openings formed in the two side plates in the welding part A.
Preferably, the welding component C in the workpiece comprises a back plate, an erection plate, a cover plate, an insertion cylinder and a curved plate, wherein the erection plate is fixedly installed on two sides of the front end face of the back plate, the cover plate is fixedly installed on the upper surfaces of the back plate and the two erection plates, the two symmetrically distributed insertion cylinders are fixedly installed on the cover plate, and the curved plate is fixedly installed between two sides of the cover plate and the two erection plates.
Preferably, the two erection plates in the welding part C are respectively located at two sides of the tail fishplate in the welding part B, the two insertion cylinders in the welding part C are respectively inserted into the positioning cylinders in the two groups of supporting and positioning parts, and the insertion setting position core shaft in the supporting and positioning parts is inserted into the insertion cylinders.
Compared with the related art, the underframe structure rivet welding tool provided by the invention has the following beneficial effects:
The invention provides a riveting and welding tool with an underframe structure, which is characterized in that an underframe in a workpiece is effectively positioned by a positioning rib plate, a left side plate and a right side plate are positioned by a positioning mandrel and a concentric positioning disc, and finally the positioning mandrel passes through an inserting cylinder on a cover plate by inserting a positioning mandrel, and is positioned by a positioning support seat, so that the workpiece can reach the size specified by a drawing, the subsequent processing precision of a product is ensured, the product quality is stabilized, the labor productivity is improved, the cost is reduced, and the practicability and the economic benefit are good.
Drawings
FIG. 1 is a schematic diagram of a welded part provided by the invention on a riveting tool of an underframe structure;
Fig. 2 is a schematic structural view of the rivet welding tool for the chassis structure shown in fig. 1;
FIG. 3 is a schematic view of the coaxial limiter shown in FIG. 2;
FIG. 4 is a schematic view of the supporting and positioning member shown in FIG. 1;
FIG. 5 is a schematic view of the weldment of FIG. 1;
FIG. 6 is a schematic view of the structure of the welding member A shown in FIG. 5;
FIG. 7 is a schematic view of the structure of the welding member B shown in FIG. 5;
fig. 8 is a schematic structural view of the welding member C shown in fig. 5.
Reference numerals in the drawings: 1. a tool bottom plate; 2. a coaxial limiter; 21. a concentric seat; 22. rivet welding positioning mandrel; 23. a concentric positioning disk; 3. a supporting and positioning piece; 31. positioning a supporting seat; 32. a middle insertion box; 33. a positioning cylinder; 34. inserting a setting position mandrel; 4. positioning rib plates; 500. welding the component A; 501. a bottom plate; 502. a side plate; 503. a lower front plate; 504. a high tail plate; 505. a cavity is communicated; 506. an inserting port; 600. welding the component B; 601. a chassis; 602. tail-mounted fishplates; 603. foot pads; 604. an inner diameter semicircular metal strip; 605. an outer diameter semicircular metal strip; 606. a hollow cavity; 700. welding the component C; 701. a rear plate; 702. erecting a plate; 703. covering the plate; 704. inserting a cylinder; 705. a curved plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 8, the embodiment of the invention provides a rivet welding tool for an underframe structure, which realizes rapid welding of a welding component a500, a welding component B600 and a welding component C700 in a workpiece.
In the embodiment of the invention, referring to fig. 1, 2, 3 and 4, the underframe structure rivet welding tool comprises a tool bottom plate 1, wherein a coaxial limiting piece 2 and a supporting positioning piece 3 are arranged on the tool bottom plate 1, the coaxial limiting piece 2 and the supporting positioning piece 3 are distributed on the front side and the rear side of the tool bottom plate 1, and the welding part A500, the welding part B600 and the welding part C700 in a workpiece can reach the size specified in the drawing through the cooperation of the coaxial limiting piece 2 and the supporting positioning piece 3;
The coaxial limiting part 2 comprises a concentric seat 21, a rivet welding positioning mandrel 22 and a concentric positioning disc 23, wherein the concentric seat 21 is provided with two groups of rivet welding positioning mandrels 22 which are symmetrically embedded on the tool bottom plate 1, the rivet welding positioning mandrel 22 is inserted between the two concentric seats 21, the rivet welding positioning mandrel 22 is sleeved with the two concentric positioning discs 23, the arranged coaxial limiting part 2 effectively limits and fixes a rivet welding workpiece of the welding part A500 structure, and the rivet welding workpiece of the welding part A500 structure can be stably clamped through the mutual matching of the rivet welding positioning mandrel 22 and the concentric positioning discs 23 so as to stably weld the rivet welding workpiece of the welding part B600 structure with the rivet welding workpiece;
the support locating piece 3 is provided with two groups and symmetrically distributed on two sides of the tail end of the tool bottom plate 1, the support locating piece 3 comprises a locating support seat 31, a middle inserting box 32, a locating cylinder 33 and an inserting locating mandrel 34, the locating support seat 31 is fixedly embedded on the tool bottom plate 1, the locating support seat 31 is fixedly embedded with the middle inserting box 32, the middle inserting box 32 is fixedly embedded with the locating cylinder 33, the locating cylinder 33 is inserted with the inserting locating mandrel 34, a plurality of locating rib plates 4 are fixedly embedded on the tool bottom plate 1 between the coaxial limiting piece 2 and the support locating piece 3, the support locating piece 3 is utilized to fix a rivet welding workpiece of a welding part C700 structure, and meanwhile, the rivet welding workpiece of the welding part B600 structure is effectively welded by matching the plurality of locating rib plates 4.
In the embodiment of the present invention, referring to fig. 5 and 6, a welding component a500 in a workpiece includes a bottom plate 501, a side plate 502, a low front plate 503, a high rear plate 504, a through cavity 505 and an insertion opening 506, the front end and the rear end of the bottom plate 501 are respectively and fixedly provided with the low front plate 503 and the high rear plate 504 which are integrally formed, two sides of the bottom plate 501 are fixedly provided with the side plates 502, two side plates 502 are provided with the through cavities 505 which are coaxially arranged, and the rear end surfaces of the two side plates 502 are provided with the insertion opening 506;
Referring to fig. 7, a welding component B600 in a workpiece includes a chassis 601, a tail fishplate 602, a foot pad 603, an inner diameter semicircular metal strip 604, an outer diameter semicircular metal strip 605 and a hollow cavity 606, wherein the tail fishplate 602 is fixedly embedded in the rear end surface of the chassis 601, the foot pad 603 is fixedly embedded in the lower surface of the chassis 601, the inner diameter semicircular metal strip 604 and the outer diameter semicircular metal strip 605 are fixedly installed on the chassis 601 through a supporting rod, the inner diameter semicircular metal strip 604 and the outer diameter semicircular metal strip 605 are oppositely arranged, and the hollow cavity 606 is formed on the chassis 601;
Referring to fig. 8, a welding component C700 in a workpiece includes a rear plate 701, a mounting plate 702, a cover plate 703, inserting cylinders 704 and Qu Xingban 705, wherein the mounting plate 702 is fixedly mounted on both sides of the front end face of the rear plate 701, the cover plate 703 is fixedly mounted on the upper surfaces of the rear plate 701 and the two mounting plates 702, two symmetrically distributed inserting cylinders 704 are fixedly mounted on the cover plate 703, and a curved plate 705 is fixedly mounted between both sides of the cover plate 703 and the two mounting plates 702.
It should be noted that: when each welding part is riveted and welded, the welding parts are sequentially placed at the corresponding clamping and limiting positions of the tool bottom plate 1, meanwhile, the front end face of the underframe 601 is inserted into the inserting openings 506 formed in the two side plates 502 in the welding part A500 and kept in a mutually abutting state, the erection plate 702 in the welding part C700 is erected on the tail fishplate 602 and riveted and welded to each other, the cover plate 703 in the welding part C700 is fixed by the supporting and positioning piece 3, and the complete riveting and welding tool is taken down by loosening the inserting and positioning mandrel 34 after the riveting and welding are finished, so that full welding is achieved.
In the embodiment of the present invention, referring to fig. 1, a bottom plate 501 in a welding component a500 is placed on a tooling bottom plate 1 between two concentric seats 21, and a rivet welding positioning mandrel 22 passes through a through cavity 505 formed in two side plates 502 in the welding component a500, and concentric positioning discs 23 in a coaxial limiting member 2 are embedded in the through cavity 505 formed in the two side plates 502;
The underframe 601 in the welding part B600 is positioned on the tooling bottom plate 1 between the coaxial limiting part 2 and the supporting and positioning part 3, two side walls of the underframe 601 respectively prop against the positioning rib plates 4 on the tooling bottom plate 1, and the front end surface of the underframe 601 is inserted into the insertion holes 506 formed in the two side plates 502 in the welding part A500;
two erection plates 702 in the welding part C700 are respectively positioned at two sides of the tail fishplate 602 in the welding part B600, two inserting cylinders 704 in the welding part C700 are respectively inserted into the positioning cylinders 33 in the two groups of supporting and positioning pieces 3, and the inserting setting position core shafts 34 in the supporting and positioning pieces 3 are inserted into the inserting cylinders 704.
It should be noted that: the underframe 601 in the workpiece is effectively positioned by the positioning rib plate 4, the left side plate 502 and the right side plate 502 are positioned by the positioning mandrel 22 and the concentric positioning disc 23, and finally the inserting setting mandrel 34 is used for penetrating through the inserting cylinder 704 on the cover plate 703 and positioning by the positioning support seat 31, so that the rivet welding tool is effectively fixed, the rivet welding quality is ensured, the workpiece can reach the size specified by the drawing, the subsequent processing precision of a product is ensured, the product quality is stabilized, the labor productivity is improved, the cost is reduced, and the rivet welding tool has good practicability and economic benefit.
The working principle of the underframe structure rivet welding tool provided by the invention is as follows:
The coaxial limiting piece 2 is arranged to effectively limit and fix the rivet welding workpiece of the welding part A500 structure, the rivet welding workpiece of the welding part A500 structure can be stably clamped through the mutual matching of the rivet welding positioning mandrel 22 and the concentric positioning disc 23, so that the rivet welding workpiece of the welding part B600 structure can be stably welded with the rivet welding workpiece of the welding part A500 structure, the rivet welding workpiece of the welding part C700 structure can be supported and fixed by the supporting positioning piece 3, and meanwhile, a plurality of positioning rib plates 4 are matched to effectively weld the rivet welding workpiece of the welding part B600 structure;
The underframe 601 in the workpiece is effectively positioned by the positioning rib plate 4, the left side plate 502 and the right side plate 502 are positioned by the positioning mandrel 22 and the concentric positioning disc 23, and finally the inserting setting mandrel 34 is used for penetrating through the inserting cylinder 704 on the cover plate 703 and positioning by the positioning support seat 31, so that the rivet welding tool is effectively fixed, the rivet welding quality is ensured, the workpiece can reach the size specified by the drawing, the subsequent processing precision of a product is ensured, the product quality is stabilized, the labor productivity is improved, the cost is reduced, and the rivet welding tool has good practicability and economic benefit.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (2)
1. A rivet welding tool for an underframe structure realizes rapid welding of a welding part A (500), a welding part B (600) and a welding part C (700) in a workpiece;
The riveting and welding tool for the underframe structure is characterized by comprising the following components:
The fixture comprises a fixture bottom plate (1), wherein a coaxial limiting piece (2) and a supporting and positioning piece (3) are arranged on the fixture bottom plate (1), the coaxial limiting piece (2) and the supporting and positioning piece (3) are distributed on the front side and the rear side of the fixture bottom plate (1), and the welding part A (500), the welding part B (600) and the welding part C (700) in a workpiece can reach the size specified by a drawing through the matching of the coaxial limiting piece (2) and the supporting and positioning piece (3);
The coaxial limiting part (2) comprises concentric seats (21), rivet welding positioning mandrels (22) and concentric positioning discs (23), wherein the concentric seats (21) are provided with two groups and are symmetrically embedded on the tool bottom plate (1), the rivet welding positioning mandrels (22) are inserted between the two concentric seats (21), and the two concentric positioning discs (23) are sleeved on the rivet welding positioning mandrels (22);
The support positioning pieces (3) are provided with two groups and are symmetrically distributed on two sides of the tail end of the tool bottom plate (1), the support positioning pieces (3) comprise positioning support seats (31), middle inserting boxes (32), positioning cylinders (33) and inserting setting core shafts (34), the positioning support seats (31) are fixedly embedded on the tool bottom plate (1), the middle inserting boxes (32) are fixedly embedded on the positioning support seats (31), the positioning cylinders (33) are fixedly embedded on the middle inserting boxes (32), and the inserting setting core shafts (34) are inserted on the positioning cylinders (33);
a plurality of positioning rib plates (4) are fixedly embedded on the tooling bottom plate (1) between the coaxial limiting piece (2) and the supporting and positioning piece (3);
The welding component A (500) in the workpiece comprises a bottom plate (501), side plates (502), a low front plate (503), a high rear plate (504), a through cavity (505) and an inserting opening (506), wherein the front end and the rear end of the bottom plate (501) are respectively fixedly provided with the low front plate (503) and the high rear plate (504) which are integrally formed, the two sides of the bottom plate (501) are fixedly provided with the side plates (502), the two side plates (502) are provided with the through cavity (505) which are coaxially arranged, and the rear end surfaces of the two side plates (502) are provided with the inserting opening (506);
The bottom plate (501) in the welding part A (500) is placed on the tooling bottom plate (1) between the two concentric seats (21), the rivet welding positioning mandrel (22) penetrates through the through cavities (505) formed in the two side plates (502) in the welding part A (500), and the concentric positioning disc (23) in the coaxial limiting part (2) is embedded in the through cavities (505) formed in the two side plates (502);
The welding component B (600) in the workpiece comprises a bottom frame (601), a tail fishplate (602), a foot pad (603), an inner diameter semicircular metal strip (604), an outer diameter semicircular metal strip (605) and a hollow cavity (606), wherein the tail fishplate (602) which is integrally formed is fixedly embedded in the rear end face of the bottom frame (601), the foot pad (603) is fixedly embedded in the lower surface of the bottom frame (601), the inner diameter semicircular metal strip (604) and the outer diameter semicircular metal strip (605) are fixedly installed on the bottom frame (601) through supporting rods, the inner diameter semicircular metal strip (604) and the outer diameter semicircular metal strip (605) are oppositely arranged, and the hollow cavity (606) is formed in the bottom frame (601);
The welding component C (700) in the workpiece comprises a rear plate (701), an erection plate (702), a cover plate (703), inserting cylinders (704) and Qu Xingban (705), wherein the erection plate (702) is fixedly arranged on two sides of the front end face of the rear plate (701), the cover plate (703) is fixedly arranged on the upper surfaces of the rear plate (701) and the two erection plates (702), two symmetrically distributed inserting cylinders (704) are fixedly arranged on the cover plate (703), and a curved plate (705) is fixedly arranged between two sides of the cover plate (703) and the two erection plates (702);
Two erection plates (702) in the welding part C (700) are respectively positioned at two sides of a tail fishplate (602) in the welding part B (600), two inserting cylinders (704) in the welding part C (700) are respectively inserted into positioning cylinders (33) in two groups of supporting and positioning pieces (3), and inserting setting position mandrels (34) in the supporting and positioning pieces (3) are inserted into the inserting cylinders (704).
2. The underframe structure rivet welding tool according to claim 1, wherein an underframe (601) in the welding component B (600) is positioned on a tool bottom plate (1) between a coaxial limiting piece (2) and a supporting and positioning piece (3), two side walls of the underframe (601) are respectively propped against positioning rib plates (4) on the tool bottom plate (1), and the front end face of the underframe (601) is inserted into an insertion opening (506) formed in two side plates (502) in the welding component A (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426326.7A CN113927913B (en) | 2021-11-27 | 2021-11-27 | Underframe structure rivet welding frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426326.7A CN113927913B (en) | 2021-11-27 | 2021-11-27 | Underframe structure rivet welding frock |
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| Publication Number | Publication Date |
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| CN113927913A CN113927913A (en) | 2022-01-14 |
| CN113927913B true CN113927913B (en) | 2024-06-04 |
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| CN206912563U (en) * | 2017-05-29 | 2018-01-23 | 张家港富朗特重工有限公司 | Specific welding assambly in the middle part of excavator body frame |
| CN111822922A (en) * | 2020-07-13 | 2020-10-27 | 常德湘沅实业有限公司 | Shear-fork type aerial work platform chassis rivet welding tool |
| CN112276448A (en) * | 2020-10-26 | 2021-01-29 | 湖南坤鼎数控科技有限公司 | General welding frock of engineering structure |
| CN213410966U (en) * | 2020-10-30 | 2021-06-11 | 中国兵器工业集团江山重工研究院有限公司 | Box frame welding tool |
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| CN113927913A (en) | 2022-01-14 |
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