CN213794931U - Automobile fender hanger protective welding thermal deformation precision control tool - Google Patents
Automobile fender hanger protective welding thermal deformation precision control tool Download PDFInfo
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- CN213794931U CN213794931U CN202022372737.XU CN202022372737U CN213794931U CN 213794931 U CN213794931 U CN 213794931U CN 202022372737 U CN202022372737 U CN 202022372737U CN 213794931 U CN213794931 U CN 213794931U
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Abstract
The utility model discloses a fender stores pylon protection welding thermal deformation accuracy control frock, including the workstation, along the same sharp end plate supporting seat, welding cooling body and the overlap joint supporting seat of having arranged on the workstation, wherein welding cooling body is located the end plate supporting seat with between the overlap joint supporting seat, still be equipped with the overlap joint locating pin between end plate supporting seat, the welding cooling body, still be equipped with the end plate on the workstation and compress tightly the subassembly and the overlap joint compresses tightly the subassembly, wherein the end plate compresses tightly the subassembly and down presses to the end plate supporting seat from last, and the overlap joint compresses tightly the subassembly and down presses to the overlap joint supporting seat from last. The utility model has the advantages that: the welding cooling mechanism cools the area near the welding joint, so that the heat affected zone and the melting zone are rapidly cooled without reaching a deformation critical point, the thermal deformation capacity of the workpiece is reduced, and meanwhile, the two sides of the welding joint of the workpiece are stably clamped by the two clamping devices, so that the size precision of the welded workpiece is improved.
Description
Technical Field
The utility model belongs to the sheet metal component equipment field, concretely relates to fender stores pylon protection welds thermal deformation accuracy control frock.
Background
Sheet metal parts are widely used in automobile structures, and are usually combined with connection modes such as welding, riveting and bolt connection to realize modular assembly production to form large parts. In the prior art, when a thin plate and a part with high rigidity, such as a pipe fitting, are subjected to protective welding, the two parts are respectively positioned, pressed and then welded. Because the cooling speed of a heat affected zone and a melting zone of welding is different, the thin plate is easy to generate stress deformation, shrinkage and warpage, the size fluctuation of the overlapping surface of the part caused by the deformation is large, and the deformation of a part far away from the welding seam and with poor rigidity is large, so that the assembly is influenced. The mould is modified aiming at the shape of the part for compensation, welding deformation still exists, and the mould repairing cost is increased. For example, welded connection between fender stores pylon and the hydraulic pressure pipe of car has two welding seams, and the welding overlap joint clearance is less than 1mm, and welding seam length is tens of millimeters respectively, and when adopting traditional welding, the product warp and leads to the assembly size inconsistent, and the maximum 3mm that reaches of out-of-tolerance causes the assembly of host computer factory to interfere or the big gun of exploding of welding clearance. For this reason, it is necessary to improve the welding tool and adjust the welding process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a fender stores pylon protection welds thermal deformation accuracy control frock.
The technical scheme is as follows:
the tool for controlling the heat deformation precision of the automobile fender hanger during the protective welding comprises a workbench and is characterized in that an end plate supporting seat, a welding cooling mechanism and an overlap supporting seat are arranged on the workbench along the same straight line, wherein the welding cooling mechanism is positioned between the end plate supporting seat and the overlap supporting seat;
a lap joint positioning pin is also arranged between the end plate supporting seat and the welding cooling mechanism;
still be equipped with the end plate on the workstation and compress tightly subassembly and overlap joint and compress tightly the subassembly, wherein the end plate compresses tightly the subassembly from last down pressing to the end plate supporting seat, the overlap joint compresses tightly the subassembly from last down pressing to the overlap joint supporting seat.
By adopting the design, the welding device has the advantages that the end plate supporting seat and the end plate pressing component, the lap joint supporting seat and the lap joint pressing component respectively form the clamping component pairs, workpieces to be welded are clamped tightly, the lap joint positioning pin is used for penetrating through the workpieces to be welded to be positioned, and the welding cooling mechanism between the two clamping component pairs cools the area near the welding seam, so that the heat affected zone and the melting zone are rapidly cooled without reaching a deformation critical point, the thermal deformation capacity of the workpieces is reduced, meanwhile, the two sides of the welding seam of the workpieces are stably clamped by the two clamping component pairs respectively, and the size precision of the welded workpieces is improved.
As a preferred technical scheme, the welding cooling mechanism comprises a heat conduction cooling block, and a cooling flow channel is formed in the heat conduction cooling block.
By adopting the design, the heat conduction cooling block contacts the workpiece to be welded, so that heat dissipation is accelerated, and the cooling runner is arranged to introduce air or water for cooling, so that the cooling effect is further improved.
As preferred technical scheme, above-mentioned end plate supporting seat includes the end plate stand, and this end plate stand upper end is equipped with the horizontal pole, this horizontal pole with the direction of arranging of end plate supporting seat, welding cooling body and overlap joint supporting seat is perpendicular, is equipped with first end plate supporting shoe and second end plate supporting shoe respectively along its length direction on this horizontal pole.
By adopting the design, the support is carried out along the width direction of the end plate, and the positioning surface of the support is kept flat.
According to a preferable technical scheme, the end plate pressing assembly comprises a first rotary cylinder, a cylinder body of the first rotary cylinder is fixedly connected to the cross rod, a rotating arm of the first rotary cylinder is provided with a first end plate pressing block, a second end plate pressing block and a third end plate pressing block, the first end plate pressing block corresponds to the first end plate supporting block, the second end plate pressing block corresponds to the second end plate supporting block, and the third end plate pressing block is located between the first end plate pressing block and the second end plate pressing block.
Design more than adopting, end plate supporting shoe and corresponding end plate briquetting shaping centre gripping are vice, carry out the centre gripping to the end plate, set up third end plate briquetting and spacing to end plate end head middle part region, take place the warpage when preventing welding deformation.
As a preferred technical scheme, the cross bar is connected with a cantilever extending out of the lap joint support base, and the free end of the cantilever is provided with the heat conduction cooling block so as to form the welding cooling mechanism.
By adopting the design, the mounting structure is simple.
As a preferred technical scheme, the lap joint supporting seat comprises a lap joint upright post, and a lap joint supporting block is arranged on the lap joint upright post;
the lap joint pressing assembly comprises a second rotary cylinder, a cylinder body of the second rotary cylinder is fixedly connected to the cross rod, and a rotating arm of the second rotary cylinder is provided with a lap joint pressing block which corresponds to the lap joint supporting block;
and a rigid part positioning pin is also arranged on the rotating arm of the second rotating cylinder.
By adopting the design, the lap joint supporting block and the lap joint pressing block form a supporting clamping pair to tightly clamp the lap joint part of the two workpieces, and the rigid part positioning pin and the lap joint positioning pin jointly play a role in positioning the rigid part.
Compared with the prior art, the beneficial effects of the utility model are that: the welding cooling mechanism cools the area near the welding joint, so that the heat affected zone and the melting zone are rapidly cooled without reaching a deformation critical point, the thermal deformation capacity of the workpiece is reduced, and meanwhile, the two sides of the welding joint of the workpiece are stably clamped by the two clamping devices, so that the size precision of the welded workpiece is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view at a first viewing angle of the present invention;
fig. 3 is a schematic structural diagram of the present invention at a second viewing angle;
FIG. 4 is a schematic structural view of an end plate support seat, an end plate hold-down assembly and a welding cooling mechanism;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;
FIG. 6 is a schematic view of the structure of the lap support seat and the lap compression assembly;
FIG. 7 is a schematic structural view of a thermally conductive cooling block;
FIG. 8 is a schematic view of a workpiece to be welded clamped on a fixture;
fig. 9 is a schematic structural diagram of fig. 8 from another view angle.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
The frock of this embodiment is used for the welding cooling of fender stores pylon. The fender hanger includes a tubular member and a plate member. The plate-shaped part comprises a groove-shaped part and a flat plate part, one end of the groove-shaped part is connected with the flat plate part, the groove-shaped part and the flat plate part are in smooth transition, and the groove-shaped part and the flat plate part are formed by stamping the same plate. One end of the tubular member falls within the channel and conforms to its lumen (the tubular member is only partially shown). As shown in fig. 1, A, B two points near the end of the tubular member are welded to deform the plate-like member, the deformed portion is mainly a flat plate portion, and the farther the flat plate portion is from the welded point, the larger the deformation becomes. For this reason, a need exists for an improved welding tool.
As shown in fig. 2 and 3, a hot deformation accuracy control frock is welded in fender hanger protection, includes workstation 80, the last end plate supporting seat 10, the welding cooling body 30 and the overlap joint supporting seat 40 of having arranged along the collinear of workstation 80, wherein the welding cooling body 30 is located the end plate supporting seat 10 with between the overlap joint supporting seat 40. And a lap joint positioning pin 70 is also arranged between the end plate supporting seat 10 and the welding cooling mechanism 30. The workbench 80 is further provided with an end plate pressing assembly 20 and an overlapping pressing assembly 50, wherein the end plate pressing assembly 20 presses towards the end plate supporting seat 10 from top to bottom, and the overlapping pressing assembly 50 presses towards the overlapping supporting seat 40 from top to bottom for clamping and fixing a workpiece to be welded. The welding cooling mechanism 30 is a contact type heat conduction cooling mechanism, and is used for cooling the welding position of the welded workpiece. Wherein, a tubular member positioning and clamping mechanism is also arranged on the workbench 10, and the mechanism and the unshown part of the tubular member are omitted together because the welding at the two points A, B is not greatly influenced.
Specifically, as shown in fig. 4 and 5, the end plate support seat 10 includes an end plate column 11, a cross bar 12 is disposed at an upper end of the end plate column 11, the cross bar 12 is perpendicular to the arrangement direction of the end plate support seat 10, the welding cooling mechanism 30 and the lap joint support seat 40, and a first end plate support block 13 and a second end plate support block 14 are respectively disposed on the cross bar 12 along the length direction thereof.
The end plate pressing component 20 comprises a first rotary cylinder 21, a cylinder body of the first rotary cylinder 21 is fixedly connected to the cross rod 12, a rotating arm of the first rotary cylinder 21 is provided with a first end plate pressing block 22, a second end plate pressing block 24 and a third end plate pressing block 23, the first end plate pressing block 22 corresponds to the first end plate supporting block 13, the second end plate pressing block 24 corresponds to the second end plate supporting block 14, and the third end plate pressing block 23 is located between the first end plate pressing block 22 and the second end plate pressing block 24.
As shown in fig. 6, the lap support seat 40 includes a lap post 41, and a lap support block 42 is disposed on the lap post 41. The lap joint pressing assembly 50 comprises a second rotary cylinder 51, a cylinder body of the second rotary cylinder 51 is fixedly connected to the cross rod 12, a rotating arm of the second rotary cylinder 51 is provided with a lap joint pressing block 52, and the lap joint pressing block 52 corresponds to the lap joint supporting block 42. The rotating arm of the second rotating cylinder 51 is further provided with a rigid member positioning pin 60, and in this embodiment, the rigid member positioning pin 60 is inserted into a corresponding positioning hole of the tubular member.
The cross bar 12 is connected with a cantilever extending to the lap joint support base 40, the free end of the cantilever is provided with a heat conduction cooling block 31, and a cooling flow passage 32 is arranged in the heat conduction cooling block 31 to form a welding cooling mechanism 30. The heat conduction cooling block 31 may be a copper block, and air or water may be introduced into the cooling flow channel 32 as a coolant. As shown in fig. 7, the cooling flow channel 31 is L-shaped, and its inlet and outlet are located on the side of the heat-conducting cooling block 31.
In this embodiment, the lap column 41 and the end plate column 11 are both disposed obliquely so that the support surfaces of the first end plate support block 13, the second end plate support block 14, and the lap support block 42 are all inclined, and the holding of the workpiece to be welded is positioned on the support surfaces and also in an inclined state, so as to facilitate the welding operation. The heat conduction cooling block 31 is attached to the lower surface of the board to be welded from below.
As shown in fig. 8 and 9, during welding and clamping, the flat plate portion is clamped and fixed by the end plate support seat 10 and the end plate pressing assembly 20, the overlapping portion of the tubular member and the groove portion is clamped and fixed by the lap support seat 40 and the lap pressing assembly 50, the lap positioning pin 70 is inserted into the corresponding positioning hole of the tubular member and the plate member, and the rigid member positioning pin 60 is inserted into the positioning hole of the tubular member from top to bottom. As shown in fig. 6, the weld A, B is located at two points above the conductive cooling block 31. Because the welding position is cooled rapidly, the welding parts on two sides of the welding position are accurately positioned and clamped, the deformation of the welding parts is small, and the size precision is high.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (6)
1. The utility model provides a fender stores pylon protection welds thermal deformation accuracy control frock, includes workstation (80), its characterized in that: an end plate supporting seat (10), a welding cooling mechanism (30) and an overlapping supporting seat (40) are arranged on the workbench (80) along the same straight line, wherein the welding cooling mechanism (30) is positioned between the end plate supporting seat (10) and the overlapping supporting seat (40);
a lap joint positioning pin (70) is arranged between the end plate supporting seat (10) and the welding cooling mechanism (30);
still be equipped with on workstation (80) end plate and compress tightly subassembly (20) and overlap joint and compress tightly subassembly (50), wherein end plate compresses tightly subassembly (20) from last down to press to end plate supporting seat (10), overlap joint compresses tightly subassembly (50) from last down to press to overlap joint supporting seat (40).
2. The automobile fender hanger frame shield welding thermal deformation precision control tool of claim 1, characterized in that: the welding cooling mechanism (30) comprises a heat conduction cooling block (31), and a cooling flow channel (32) is formed in the heat conduction cooling block (31).
3. The automobile fender hanger frame shield welding thermal deformation accuracy control tool of claim 2, characterized in that: the end plate supporting seat (10) comprises an end plate upright post (11), a cross rod (12) is arranged at the upper end of the end plate upright post (11), the cross rod (12) is perpendicular to the arrangement direction of the end plate supporting seat (10), the welding cooling mechanism (30) and the lap joint supporting seat (40), and a first end plate supporting block (13) and a second end plate supporting block (14) are arranged on the cross rod (12) along the length direction of the cross rod respectively.
4. The automobile fender hanger frame shield welding thermal deformation accuracy control tool of claim 3, characterized in that: the end plate pressing assembly (20) comprises a first rotary cylinder (21), a cylinder body of the first rotary cylinder (21) is fixedly connected to the cross rod (12), a first end plate pressing block (22), a second end plate pressing block (24) and a third end plate pressing block (23) are arranged on a rotating arm of the first rotary cylinder (21), the first end plate pressing block (22) corresponds to the first end plate supporting block (13), the second end plate pressing block (24) corresponds to the second end plate supporting block (14), and the third end plate pressing block (23) is located between the first end plate pressing block (22) and the second end plate pressing block (24).
5. The automobile fender hanger frame shield welding thermal deformation accuracy control tool of claim 3, characterized in that: the cross rod (12) is connected with a cantilever extending towards the lap joint support base (40), and the free end of the cantilever is provided with the heat conduction cooling block (31) so as to form the welding cooling mechanism (30).
6. The automobile fender hanger frame shield welding thermal deformation accuracy control tool of claim 3, characterized in that: the lap joint supporting seat (40) comprises a lap joint upright post (41), and a lap joint supporting block (42) is arranged on the lap joint upright post (41);
the lap joint pressing assembly (50) comprises a second rotary cylinder (51), a cylinder body of the second rotary cylinder (51) is fixedly connected to the cross rod (12), a rotating arm of the second rotary cylinder (51) is provided with a lap joint pressing block (52), and the lap joint pressing block (52) corresponds to the lap joint supporting block (42);
and a rigid part positioning pin (60) is also arranged on the rotating arm of the second rotating cylinder (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022372737.XU CN213794931U (en) | 2020-10-22 | 2020-10-22 | Automobile fender hanger protective welding thermal deformation precision control tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022372737.XU CN213794931U (en) | 2020-10-22 | 2020-10-22 | Automobile fender hanger protective welding thermal deformation precision control tool |
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| Publication Number | Publication Date |
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| CN213794931U true CN213794931U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022372737.XU Active CN213794931U (en) | 2020-10-22 | 2020-10-22 | Automobile fender hanger protective welding thermal deformation precision control tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103131A (en) * | 2021-11-30 | 2022-03-01 | 重庆卡福汽车制动转向系统有限公司 | Thermal insulation housing welding device with deformable welding edge |
-
2020
- 2020-10-22 CN CN202022372737.XU patent/CN213794931U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114103131A (en) * | 2021-11-30 | 2022-03-01 | 重庆卡福汽车制动转向系统有限公司 | Thermal insulation housing welding device with deformable welding edge |
| CN114103131B (en) * | 2021-11-30 | 2024-02-02 | 重庆卡福汽车制动转向系统有限公司 | Welding device for heat preservation housing with deformable welding edge |
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