CN212665320U - Internal expansion centering and clamping device for welding and positioning flange of automobile exhaust system - Google Patents
Internal expansion centering and clamping device for welding and positioning flange of automobile exhaust system Download PDFInfo
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- CN212665320U CN212665320U CN202021454664.2U CN202021454664U CN212665320U CN 212665320 U CN212665320 U CN 212665320U CN 202021454664 U CN202021454664 U CN 202021454664U CN 212665320 U CN212665320 U CN 212665320U
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Abstract
The utility model discloses an automobile exhaust system flange welding position is with bloated centering clamping device in belongs to welding position equipment technical field. The output end of the push-pull type clamp is movably connected with a square shaft, the square shaft penetrates through and is slidably connected with the fixing frame, two ends of the fixing frame are respectively rotatably connected with the tensioning blocks which are oppositely arranged, one end of the connecting rod is rotatably connected with the tensioning blocks, the other end of the connecting rod is rotatably connected with the square shaft, the tensioning blocks penetrate through round holes in the mounting plate, and the mounting plate is provided with positioning blocks. The utility model has the advantages that: the flange surface is positioned by utilizing the positioning block, and then the flange surface is clamped and fixed in an inward expansion manner, so that the positions of the flanges are consistent before each welding, and the axes of each welding are consistent.
Description
Technical Field
The utility model relates to an automobile exhaust system flange welding position is with interior bloated centering clamping device belongs to welding position equipment technical field.
Background
In the flange welding of the automobile exhaust system, the axis of a flange welded at each time is required to be consistent, the consistency of the axis cannot be ensured by the existing welding technology, and the defective rate of welding is high.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model aims at providing an expanding centering clamping device in automobile exhaust system flange welding position is used guarantees the unanimity in welding flange axle center, improves the yield.
The technical scheme of the utility model is that: the utility model provides an automobile exhaust system flange welding position is with interior bloated centering clamping device, plug-type clamp output swing joint square shaft, the square shaft runs through and sliding connection mount, the mount both ends rotate respectively to connect the tight piece that rises that sets up relatively, connecting rod one end rotates connects the tight piece that rises, the connecting rod other end rotates and connects the square shaft, the tight piece that rises runs through the round hole on the mounting panel, be equipped with the locating piece on the mounting panel.
The mounting plate is provided with a fixing block, the adjusting bolt is in threaded connection and penetrates through the fixing block, and the end part of the adjusting bolt is in threaded connection with the positioning block.
And an adjusting gasket is arranged between the fixed block and the positioning block, and an adjusting bolt penetrates through the adjusting gasket.
The locating piece has four, and the equipartition is in the round hole periphery, the locating surface of locating piece is the cambered surface.
The push-pull type clamp comprises a driving wrench connected with the support body in a rotating mode, one end of the transition connecting assembly is connected to two sides of the bottom of the driving wrench in a rotating mode, the other end of the transition connecting assembly is connected with a telescopic rod in a rotating mode, and the telescopic rod penetrates through and is in sliding connection with a shaft sleeve on the support body.
The telescopic rod end is equipped with connecting bolt, and the square shaft tip is equipped with the spread groove, connecting bolt tip is located in the spread groove.
The support body is fixed on base a, and the mount bottom is fixed on base b, and the mounting panel bottom is fixed on base c, base a, base b and base c are all fixed on the workstation.
The tensioning block comprises a tensioning block a and a tensioning block b which are rotatably connected to two ends of the fixing frame, the tensioning block a and the tensioning block b are coplanar, one end of a connecting rod a is rotatably connected to the top of the tensioning block a, the other end of the connecting rod a is rotatably connected to the top of the square shaft, one end of the connecting rod b is rotatably connected to the bottom of the tensioning block b, and the other end of the connecting rod b is rotatably connected to the bottom of the square shaft.
The utility model has the advantages that: the flange surface is positioned by utilizing the positioning block, and then the flange surface is clamped and fixed in an inward expansion manner, so that the positions of the flanges are consistent before each welding, and the axes of each welding are consistent.
Drawings
FIG. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a side view of the present invention;
fig. 5 is a partially enlarged view of fig. 1.
The reference numbers in the figures are as follows: 1.1, a frame body, 1.2, a driving wrench, 1.3, a transition connecting assembly, 1.4, a telescopic rod, 1.5, a connecting bolt, 1.6, a shaft sleeve, 2, a square shaft, 3, a fixing frame, 4.1, a tensioning block a, 4.2, a tensioning block b, 5.1, a connecting rod a, 5.2, a connecting rod b, 6, a mounting plate, 7, a round hole, 8, a positioning block, 9, a fixing block, 10, an adjusting bolt, 11, an adjusting gasket, 12, a base a, 13, a base b, 14 and a base c.
Detailed Description
The invention will be further explained with reference to the accompanying drawings 1-5:
the utility model provides an automobile exhaust system flange welding position is with interior bloated centering clamping device, plug-type clamp output swing joint square shaft 2, square shaft 2 run through and sliding connection mount 3, and 3 both ends of mount rotate respectively and connect the tight piece that rises that sets up relatively, and connecting rod one end rotates and connects the tight piece that rises, and the connecting rod other end rotates and connects square shaft 2, and the tight piece that rises runs through round hole 7 on the mounting panel 6, be equipped with locating piece 8 on the mounting panel 6.
The mounting plate 6 is provided with a fixing block 9, the adjusting bolt 10 is in threaded connection and penetrates through the fixing block 9, and the end part of the adjusting bolt 10 is in threaded connection with a positioning block 8. An adjusting gasket 11 is arranged between the fixing block 9 and the positioning block 8, and an adjusting bolt 10 penetrates through the adjusting gasket 11. The positioning blocks 8 are four and are uniformly distributed on the periphery of the round hole 7, and the positioning surface of each positioning block 8 is a cambered surface. The positions of the positioning blocks 8 on the mounting plate 6 are adjusted by increasing or decreasing the adjusting gaskets 11, so that the space between the four positioning blocks is changed, and the positioning and use of the flange plates with different sizes are adapted.
Push-pull type clamp includes, rotates drive spanner 1.2 of being connected with support body 1.1, and transition coupling assembling 1.3 one end is rotated and is connected in drive spanner 1.2 bottom both sides, transition coupling assembling 1.3 other end is rotated and is connected telescopic link 1.4, telescopic link 1.4 runs through and sliding connection is located axle sleeve 1.6 on the support body 1.1. The driving wrench 1.2 is manually pulled, and the driving wrench 1.2 drives the telescopic rod 1.4 to move along the extending direction of the shaft sleeve 1.6 through the transition connecting component 1.3. The telescopic link 1.4 tip is equipped with connecting bolt 1.5, and 2 tip of square shaft are equipped with the spread groove, connecting bolt 1.5 tip is located in the spread groove. The telescopic rod 1.4 drives the square shaft 2 to move along the fixed frame 3 through the connecting bolt 1.5 positioned in the connecting groove.
The frame body 1.1 is fixed on a base a12, the bottom of the fixing frame 3 is fixed on a base b13, the bottom of the mounting plate 6 is fixed on a base c14, and the base a12, the base b13 and the base c14 are all fixed on the workbench.
The tensioning block comprises a tensioning block a4.1 and a tensioning block b4.2 which are rotatably connected to two ends of the fixing frame 3, the tensioning block a4.1 and the tensioning block b4.2 are coplanar, so that the inner ring of the flange plate is subjected to equal and opposite tensioning forces on the same straight line, the stability of the system is ensured, one end of a connecting rod a5.1 is rotatably connected with the top of the tensioning block a4.1, the other end of the connecting rod a5.1 is rotatably connected with the top of the square shaft 2, one end of a connecting rod b5.2 is rotatably connected with the bottom of the tensioning block b4.2, and the other end of the connecting rod b5.2 is rotatably connected with the. The end part of the square shaft 2 drives the connecting rod a5.1 and the connecting rod b5.2 to rotate, the connecting rod a5.1 and the connecting rod b5.2 drive the tensioning block a4.1 and the tensioning block b4.2 to rotate, the working ends of the tensioning block a4.1 and the tensioning block b4.2 are expanded and contracted, and the driving wrench 1.2 is pushed during working.
The utility model discloses the working process:
the driving wrench 1.2 is pulled, the tensioning block a4.1 and the tensioning block b4.2 are contracted, the flange plate is placed in a circular positioning area formed by the fixed block 9 on the mounting plate 6 in a surrounding mode, the driving wrench 1.2 is pushed, the tensioning block a4.1 and the tensioning block b4.2 are opened, and the tensioning working end is attached to the inner ring of the flange plate to be tensioned, so that the flange plate is fixed. The round hole 7 has a limiting effect on the expansion of the tension block a4.1 and the tension block b4.2, and the tension block a4.1 and the tension block b4.2 cannot be continuously expanded when being expanded to be attached to the inner wall of the round hole, so that the flange plate is prevented from being damaged due to excessive tension.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an automobile exhaust system flange welding position is with bloated centering clamping device in, its characterized in that, plug-type clamp output swing joint square shaft (2), square shaft (2) run through and sliding connection mount (3), mount (3) both ends are rotated respectively and are connected the tight piece that rises that sets up relatively, and connecting rod one end is rotated and is connected the tight piece that rises, and the connecting rod other end is rotated and is connected square shaft (2), and the tight piece that rises runs through round hole (7) on mounting panel (6), be equipped with locating piece (8) on mounting panel (6).
2. The internal expanding centering and clamping device for welding and positioning the automobile exhaust system flange is characterized in that a fixing block (9) is arranged on the mounting plate (6), an adjusting bolt (10) is in threaded connection and penetrates through the fixing block (9), and the end part of the adjusting bolt (10) is in threaded connection with a positioning block (8).
3. The internal expanding centering and clamping device for welding and positioning the flange of the automobile exhaust system according to claim 2, wherein an adjusting gasket (11) is arranged between the fixing block (9) and the positioning block (8), and an adjusting bolt (10) penetrates through the adjusting gasket (11).
4. The internal expanding centering and clamping device for welding and positioning the automobile exhaust system flange is characterized in that four positioning blocks (8) are uniformly distributed on the periphery of the circular hole (7), and the positioning surface of each positioning block (8) is an arc surface.
5. The automobile exhaust system flange welding position is with interior bloated centering clamping device of claim 1, characterized in that, plug-type clamp includes, with support body (1.1) rotation connection's drive spanner (1.2), transition coupling assembling (1.3) one end is rotated and is connected in drive spanner (1.2) bottom both sides, the transition coupling assembling (1.3) other end is rotated and is connected telescopic link (1.4), telescopic link (1.4) run through and sliding connection is located axle sleeve (1.6) on support body (1.1).
6. The internal expanding centering and clamping device for welding and positioning the flange of the automobile exhaust system as claimed in claim 5, wherein the end of the telescopic rod (1.4) is provided with a connecting bolt (1.5), the end of the square shaft (2) is provided with a connecting groove, and the end of the connecting bolt (1.5) is located in the connecting groove.
7. The internal expanding centering and clamping device for welding and positioning the flange of the automobile exhaust system according to claim 5 is characterized in that the frame body (1.1) is fixed on a base a (12), the bottom of the fixing frame (3) is fixed on a base b (13), the bottom of the mounting plate (6) is fixed on a base c (14), and the base a (12), the base b (13) and the base c (14) are all fixed on a workbench.
8. The internal expanding centering and clamping device for welding and positioning the flange of the automobile exhaust system according to claim 1, wherein the tensioning block comprises a tensioning block a (4.1) and a tensioning block b (4.2) which are rotatably connected to two ends of the fixing frame (3), the tensioning block a (4.1) and the tensioning block b (4.2) are coplanar, one end of the connecting rod a (5.1) is rotatably connected to the top of the tensioning block a (4.1), the other end of the connecting rod a (5.1) is rotatably connected to the top of the square shaft (2), one end of the connecting rod b (5.2) is rotatably connected to the bottom of the tensioning block b (4.2), and the other end of the connecting rod b (5.2) is rotatably connected to the bottom of the square shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454664.2U CN212665320U (en) | 2020-07-22 | 2020-07-22 | Internal expansion centering and clamping device for welding and positioning flange of automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454664.2U CN212665320U (en) | 2020-07-22 | 2020-07-22 | Internal expansion centering and clamping device for welding and positioning flange of automobile exhaust system |
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| Publication Number | Publication Date |
|---|---|
| CN212665320U true CN212665320U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021454664.2U Active CN212665320U (en) | 2020-07-22 | 2020-07-22 | Internal expansion centering and clamping device for welding and positioning flange of automobile exhaust system |
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| CN (1) | CN212665320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055220A (en) * | 2021-12-13 | 2022-02-18 | 广东普拉迪科技股份有限公司 | Automatic clamping and positioning mechanism for various connecting rods |
| CN115026484A (en) * | 2022-08-10 | 2022-09-09 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
-
2020
- 2020-07-22 CN CN202021454664.2U patent/CN212665320U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055220A (en) * | 2021-12-13 | 2022-02-18 | 广东普拉迪科技股份有限公司 | Automatic clamping and positioning mechanism for various connecting rods |
| CN115026484A (en) * | 2022-08-10 | 2022-09-09 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
| CN115026484B (en) * | 2022-08-10 | 2022-10-28 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
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