CN211219345U - Transposition seat welding jig - Google Patents
Transposition seat welding jig Download PDFInfo
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- CN211219345U CN211219345U CN201921439943.9U CN201921439943U CN211219345U CN 211219345 U CN211219345 U CN 211219345U CN 201921439943 U CN201921439943 U CN 201921439943U CN 211219345 U CN211219345 U CN 211219345U
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- seat
- positioning
- expansion
- transposition
- expansion mandrel
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Abstract
The utility model discloses a transposition seat welding jig for welding transposition seat and backup pad, its characterized in that: the expansion positioning seat comprises a pressing mechanism, a positioning transposition seat and an expansion positioning seat, wherein the pressing mechanism is arranged on a base and used for pressing a supporting plate, the expansion positioning seat is arranged below a pressure head corresponding to the pressing mechanism and comprises a transposition seat positioning seat, an expansion mandrel and a sliding positioning block, the transposition seat positioning seat is provided with a center hole in the vertical direction, the expansion mandrel is arranged in the center hole in a sliding mode, the transposition seat positioning seat is further provided with a through groove, the number of the sliding positioning blocks is two, the sliding positioning blocks are respectively located in the through groove and are in contact with the expansion mandrel, and the expansion mandrel is in a wedge shape or a conical shape with the upper part being small and the. The beneficial effects of the utility model include: the expansion mandrel is used for positioning, so that the coaxiality of the transposition seat and the supporting plate is higher, the welding quality of a welding seam is improved, the welding efficiency is improved, and the yield of products is greatly improved.
Description
Technical Field
The utility model relates to a welding jig field, concretely relates to transposition seat welding jig.
Background
The gear shifting seat is an important part on an automobile and belongs to a thin-wall part, so that the processing requirement is higher during welding processing.
In the welding fixture in the prior art, the transposition base and the support plate are welded to be positioned by a fixed shaft, the welding coaxiality of the support plate is influenced by the ellipse of an inner hole and the tolerance of the inner hole of a stamping part of the transposition base, the interval between the transposition base and the support plate is not uniform in the welding process, a welding line is larger than 0.5mm, welding leakage is formed, the welding performance is influenced, and the qualified rate is 70%.
Disclosure of Invention
To the weak point among the above-mentioned prior art, the utility model provides a transposition seat welding jig, it adopts the tapering location, and positioning accuracy is high for welding effect is better.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a transposition seat welding jig for welding transposition seat and backup pad, its characterized in that: the expansion positioning seat is arranged below a pressure head corresponding to the pressing mechanism and comprises a transposition seat positioning seat, an expansion mandrel and two sliding positioning blocks, wherein the transposition seat positioning seat is provided with a central hole in the vertical direction, the expansion mandrel is arranged in the central hole in a sliding manner, the transposition seat positioning seat is also provided with through grooves which are radially communicated along the central hole, the two sliding positioning blocks are respectively positioned in the through grooves on two sides of the expansion mandrel and are in contact with the expansion mandrel, the expansion mandrel is in a wedge shape or a cone shape with a small upper part and a large lower part, the top of the expansion mandrel is provided with a counter bore along the axial direction, and a supporting plate positioning shaft which is coaxial with the expansion mandrel is arranged in the counter bore, the top of the transposition base positioning seat is provided with a supporting plate base plate of a vertical positioning supporting plate.
The contact surface of the sliding positioning block and the expansion mandrel is a slope or a tapered arc-shaped surface, and the end surface of the outer side of the sliding positioning block is an arc surface matched with the inner wall of the transposition base.
The lower bottom surface of the through groove is provided with a first positioning block for limiting the sliding positioning block, and the lower end of the sliding positioning block is provided with a first limiting groove corresponding to the first positioning block.
An elastic part is arranged on the upper portion of the through groove, a second limiting groove for limiting the elastic part is formed in the upper end of the sliding positioning block, one end of the elastic part is limited on the end face of the second limiting groove, and the other end of the elastic part is in contact with the transposition base positioning seat, so that the sliding positioning block is always in contact with the expansion mandrel.
The base is provided with a supporting frame, the supporting frame is provided with a base plate, the expansion positioning seat is arranged on the base plate, the middle of the base plate is provided with a vertical through hole which is communicated with the base plate, the through hole is coaxial with the expansion mandrel, a jacking cylinder which is connected with and drives the expansion mandrel is arranged below the through hole, and the front end of a piston rod of the jacking cylinder is connected with a threaded hole at the bottom of the expansion mandrel.
The through hole of the base plate is embedded with a limiting table for limiting the expansion mandrel, and the lower end of the expansion mandrel is provided with a step table matched with the limiting table.
The base plate is provided with a groove, the groove is located on one side of the expansion positioning seat, a sliding rail is arranged in the groove, a sliding block is arranged on the sliding rail in a sliding fit mode, a positioning block mounting seat is arranged on the sliding block, a herringbone groove limiting block is arranged on the positioning block mounting seat, an induction plate is further arranged at the end of the positioning mounting seat, a magnet seat used for positioning the induction plate is arranged in the groove, a first magnet is arranged on the magnet seat, and a second magnet is arranged on the inner wall of the end of the groove.
And a first sensor used for sensing the sensing plate is arranged on the backing plate on one side of the groove.
And a second sensor for sensing the transposition seat is also arranged on the base plate 3.
The beneficial effects of the utility model include: the expansion mandrel is used for positioning, so that the coaxiality of the transposition seat and the supporting plate is higher, the welding quality of a welding seam is improved, the welding efficiency is improved, and the yield of products is greatly improved.
Drawings
Fig. 1 is a schematic view of a three-dimensional mechanism of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic sectional structure diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
The welding fixture for the transposition base shown in fig. 1-3 is used for welding the transposition base and the support plate, and comprises a pressing mechanism which is arranged on a base 1 and used for pressing the support plate, and an expansion positioning base 27 for positioning the transposition base and the support plate. The expansion positioning seat 27 is arranged below the pressing head 10 corresponding to the pressing mechanism. The expansion positioning seat 27 comprises a transposition seat positioning seat 16, an expansion mandrel 18 and a sliding positioning block 15, wherein the transposition seat positioning seat 16 is provided with a central hole in the vertical direction, and the expansion mandrel 18 is arranged in the central hole in a sliding manner. The transposition base positioning seat 16 is also provided with a through groove which is radially penetrated along the central hole; the number of the sliding positioning blocks 15 is two, the two sliding positioning blocks are respectively located in the through grooves on the two sides of the expansion mandrel 18 and are in contact with the expansion mandrel 18, and the expansion mandrel 18 is in a wedge shape or a conical shape with a small upper part and a large lower part. The top of the expansion mandrel 18 is provided with a counter bore along the axial direction, and a supporting plate positioning shaft 9 which is coaxial with the expansion mandrel 18 is arranged in the counter bore. And a support plate base plate 13 for positioning the support plate in the vertical direction is arranged at the top of the transposition base positioning seat 16.
The embodiment of the utility model provides an in, slide locating piece 15 with the contact surface of inflation dabber 18 corresponds for inclined plane or takes tapered arcwall face, slide locating piece 15 outside terminal surface be with the circular arc surface that the seat inner wall suited replaces. The lower bottom surface of the through groove is provided with a first positioning block 17 for limiting the sliding positioning block 15, and the lower end of the sliding positioning block 15 is provided with a first limiting groove corresponding to the first positioning block 17. The vertical movement of the expansion mandrel 18 drives the horizontal movement of the sliding positioning block 15, so that the positioning of the transposition seat is realized.
An elastic part 14 is arranged at the upper part of the through groove, a second limiting groove for limiting the elastic part 14 is arranged at the upper end of the sliding positioning block 15, one end of the elastic part 14 is limited at the end face of the second limiting groove, and the other end of the elastic part is in contact with the transposition base positioning seat 16, so that the sliding positioning block 15 is always in contact with the expansion mandrel 18. And when the expansion mandrel 18 moves downwards, the sliding positioning block 15 returns to the center.
In the embodiment of the invention, the transposition base welding fixture further comprises a support frame 2 arranged on the base 1, and a base plate 3 is arranged on the support frame 2. The expansion positioning seat 27 is arranged on the backing plate 3, and a through hole which is vertically penetrated is formed in the middle of the backing plate 3 and is coaxial with the expansion mandrel 18. A jacking cylinder 20 connected with and driving the expansion mandrel 18 is arranged below the through hole, and the front end of a piston rod of the jacking cylinder 20 is connected with a threaded hole in the bottom of the expansion mandrel 18. A limiting table 19 for limiting the expansion mandrel 18 is embedded in the through hole of the base plate 3, and a step table matched with the limiting table 19 is arranged at the lower end of the expansion mandrel 18. The jacking cylinder 20 plays a role of driving the expansion mandrel 18 to move.
As shown in fig. 3, in this embodiment, a groove is formed in the backing plate 3, and is located on one side of the expansion positioning seat 27, a slide rail 4 is arranged in the groove, a slide block 5 is arranged on the slide rail 4 in a sliding fit manner, a positioning block mounting seat 6 is arranged on the slide block 5, an inverted V-shaped groove limiting block 8 is arranged on the positioning block mounting seat 6, an induction plate 7 is further arranged at the end of the positioning block mounting seat 6, a magnet seat 24 for positioning the induction plate 7 is arranged in the groove, a first magnet is arranged on the magnet seat 24, and a second magnet 25 is arranged on the inner wall of the end of the groove. The structure can ensure that the positioning block mounting seat 6 can not freely slide on the sliding rail 4.
In this embodiment, a first sensor 22 for sensing the sensing plate 7 is disposed on the backing plate 3 on one side of the groove. For feedback control of a spinning cylinder 28 connected to the ram 10. In addition, a second sensor 23 for sensing a position changing seat is arranged on the backing plate 3 and used for feedback control of the jacking cylinder 20
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. The utility model provides a transposition seat welding jig for welding transposition seat and backup pad, its characterized in that: the device comprises a pressing mechanism, a positioning and shifting seat and an expansion positioning seat (27), wherein the pressing mechanism is arranged on a base (1) and used for pressing a supporting plate tightly, the expansion positioning seat (27) is arranged below a pressure head (10) corresponding to the pressing mechanism, the expansion positioning seat (27) comprises a shifting seat positioning seat (16), an expansion mandrel (18) and a sliding positioning block (15), the shifting seat positioning seat (16) is provided with a central hole in the vertical direction, the expansion mandrel (18) is arranged in the central hole in a sliding manner, the shifting seat positioning seat (16) is also provided with through grooves which are radially communicated along the central hole, the number of the sliding positioning blocks (15) is two, the two sliding positioning blocks are respectively positioned in the through grooves on two sides of the expansion mandrel (18) and are in contact with the expansion mandrel (18), and the expansion mandrel (18) is in a wedge shape or a cone, the top of the expansion mandrel (18) is provided with a counter bore along the axis direction, a supporting plate positioning shaft (9) coaxial with the expansion mandrel (18) is arranged in the counter bore, and the top of the transposition base positioning seat (16) is provided with a supporting plate backing plate (13) for positioning the supporting plate in the vertical direction.
2. The transpose seat welding jig of claim 1, characterized in that: the contact surface of the sliding positioning block (15) and the expansion mandrel (18) is correspondingly an inclined surface or a tapered arc-shaped surface, and the end surface of the outer side of the sliding positioning block (15) is an arc surface adaptive to the inner wall of the transposition base.
3. The transpose seat welding jig of claim 1, characterized in that: the lower bottom surface of the through groove is provided with a first positioning block (17) for limiting the sliding positioning block (15), and the lower end of the sliding positioning block (15) is provided with a first limiting groove corresponding to the first positioning block (17).
4. The transpose seat welding jig of claim 1, characterized in that: an elastic part (14) is arranged on the upper portion of the through groove, a second limiting groove for limiting the elastic part (14) is formed in the upper end of the sliding positioning block (15), one end of the elastic part (14) is limited on the end face of the second limiting groove, and the other end of the elastic part is in contact with the transposition base positioning seat (16), so that the sliding positioning block (15) is always in contact with the expansion mandrel (18).
5. The transpose seat welding jig of claim 1, characterized in that: still including set up in support frame (2) on base (1), be provided with backing plate (3) on support frame (2), expansion positioning seat (27) set up in on backing plate (3), backing plate (3) middle part has the vertical through-hole that link up, this through-hole with expansion dabber (18) are coaxial, the through-hole below is provided with the connection and drives jacking cylinder (20) of expansion dabber (18), the piston rod front end of jacking cylinder (20) with the screw hole of expansion dabber (18) bottom is connected.
6. The transpose seat welding jig of claim 5, characterized in that: the through hole of the backing plate (3) is embedded with a limiting platform (19) for limiting the expansion mandrel (18), and the lower end of the expansion mandrel (18) is provided with a step platform matched with the limiting platform (19).
7. The transpose seat welding jig of claim 6, characterized in that: the utility model discloses a novel magnet positioning device, including backing plate (3), expansion positioning seat (27), slide rail (4) are provided with in the recess, sliding fit is provided with slider (5) on slide rail (4), be provided with locating piece mount pad (6) on slider (5), be provided with on locating piece mount pad (6) wang word groove stopper (8), the tip of locating piece mount pad (6) still is provided with tablet (7), be provided with in the recess and be used for the location magnet seat (24) of tablet (7), be provided with first magnet on magnet seat (24), be provided with second magnet (25) on the tip inner wall of recess.
8. The transpose seat welding jig of claim 7, characterized in that: and a first sensor (22) for sensing the sensing plate (7) is arranged on the backing plate (3) at one side of the groove.
9. The transpose seat welding jig of claim 6, characterized in that: and a second sensor (23) for sensing the transposition seat is also arranged on the base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921439943.9U CN211219345U (en) | 2019-09-02 | 2019-09-02 | Transposition seat welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921439943.9U CN211219345U (en) | 2019-09-02 | 2019-09-02 | Transposition seat welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211219345U true CN211219345U (en) | 2020-08-11 |
Family
ID=71928321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921439943.9U Active CN211219345U (en) | 2019-09-02 | 2019-09-02 | Transposition seat welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211219345U (en) |
-
2019
- 2019-09-02 CN CN201921439943.9U patent/CN211219345U/en active Active
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