CN215588286U - Arc fork-shaped part welding jig - Google Patents
Arc fork-shaped part welding jig Download PDFInfo
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- CN215588286U CN215588286U CN202121245037.2U CN202121245037U CN215588286U CN 215588286 U CN215588286 U CN 215588286U CN 202121245037 U CN202121245037 U CN 202121245037U CN 215588286 U CN215588286 U CN 215588286U
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- 238000003466 welding Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
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Abstract
The utility model discloses an arc fork-shaped part welding fixture, which comprises a base, an L support, an arc profiling block, a first limiting block, a second limiting block, a handle bearing block, a handle clamping mechanism and the L support, stalk portion bearing block, stalk portion fixture is fixed in the base, the L support includes bottom plate and riser, the imitative type piece of cambered surface has an arc side, it is first, second stopper and base swing joint, the arc side, the flange and the first of arc side lower part, the cooperation of second stopper is used for fixing a position the arc forked structure of arc forked form part, the imitative type piece of cambered surface passes through vertical screw swing joint in the bottom plate of L support, the relative dorsal surface in the arc side of the imitative type piece of cambered surface is close to the riser setting of L support, the imitative type piece of cambered surface is equipped with the wedge groove, set up the screw hole on the riser and connect adjusting screw, the adjusting screw front end rotates connects the wedge, the wedge stretches into the radius change that the wedge groove made the arc side. The utility model can effectively control the size of the part after welding deformation and improve the yield.
Description
Technical Field
The utility model relates to a welding fixture, in particular to an arc-shaped fork-shaped part welding fixture.
Background
The arc-shaped fork-shaped part is formed by welding two parts of workpieces, wherein one part of the workpieces is provided with a longer handle part, the head end of the handle part is bent into an arc shape, the other part of the workpieces is provided with a shorter handle part, and the head end of the handle part is also bent into an arc shape. And welding and connecting the handle parts of the two parts of workpieces, and aligning the head ends and bending the head ends towards two sides respectively to form a fork shape. The existing fixture clamps arc-shaped bent parts of two parts of workpieces respectively through two quick clamping mechanisms during welding so as to fix the workpieces. And then, the robot performs welding operation, and after welding is finished, the pressing clamp is opened, and the welding is finished. Because the part is heated and deformed to generate stress during welding, after the quick clamping mechanism is loosened after welding is finished, the circular arcs of the two parts of workpieces are deformed inwards, and the deformation exceeds the form and position tolerance of the part, so that the defect is caused. In addition, the rapid compressing block is fixed on the rapid clamp, and the rapid clamp has the characteristic of poor precision of the reciprocating motion, so that the stability of the welding assembly cannot be maintained.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an arc-shaped fork-shaped part welding clamp, which solves the problems of overlarge tolerance and low yield of an arc-shaped opening caused by deformation of an arc-shaped fork-shaped part after welding.
The technical scheme of the utility model is as follows: an arc-shaped fork-shaped part welding fixture comprises a base, an L support, an arc-shaped profiling block, a first limiting block, a second limiting block, a handle supporting block and a handle clamping mechanism, wherein the L support and the handle supporting block are fixed on the base, the handle clamping mechanism is fixed on the base to clamp the tail end of the handle of the arc-shaped fork-shaped part, the L support comprises a bottom plate and a vertical plate, the arc-shaped profiling block is provided with an arc-shaped side face, the first limiting block and the second limiting block are movably connected with the base, a flange is arranged at the lower part of the arc-shaped side face, the flange, the first limiting block and the second limiting block are matched to be used for positioning the arc-shaped fork-shaped structure of the arc-shaped fork-shaped part, the arc-shaped profiling block is movably connected to the bottom plate of the L support through a vertical screw, and the opposite back side face of the arc-shaped profiling block is close to the vertical plate of the L support, the cambered surface profiling block is provided with a wedge-shaped groove which forms an opening from the back side surface and extends towards the cambered side surface, a threaded hole is formed in the vertical plate and is connected with an adjusting screw, the front end of the adjusting screw is rotatably connected with a wedge-shaped block, and the wedge-shaped block extends into the wedge-shaped groove to change the radius of the cambered side surface.
Furthermore, in order to prevent the wedge from causing the stress concentration of the head end position of the wedge groove when being inserted into the wedge groove and damage the cambered surface profiling block when deforming, the head end of the wedge groove is connected with a longitudinal through hole.
Further, the flange comprises two parts separated from each other, and a gap is reserved between the two parts of the flange.
Furthermore, an L-shaped bearing surface is arranged at the end part of the handle bearing block.
Further, the handle clamping mechanism comprises a side fixing block, a side movable block and a top pressure plate, the side fixing block is fixedly connected with the base, the side movable block is connected with the base through a lateral quick clamping mechanism, the top pressure plate is connected with the base through a longitudinal quick clamping mechanism, and vertical clamping grooves are formed in the opposite sides of the side fixing block and the side movable block.
Further, the base is provided with a first quick clamping mechanism and a second quick clamping mechanism, the movable end of the first quick clamping mechanism is connected with the first limiting block, and the movable end of the second quick clamping mechanism is connected with the second limiting block.
Furthermore, the head ends of the first limiting block and the second limiting block are provided with rubber blocks.
The technical scheme provided by the utility model has the advantages that: the wedge-shaped block is driven to move forward through the adjusting screw, the arc radius of the arc side face of the arc-shaped profiling block is changed, and welding angle adjustment is carried out, so that the deformation of the part is adjusted and compensated before welding, the arc opening of the part is basically kept consistent after welding, and the yield is improved. In addition, because different batches of parts have different deformation degrees during welding, if the non-deformable cambered surface profiling block is adopted, different cambered surface profiling blocks need to be prepared according to different batches, the required cambered surface radius is difficult to quickly determine, the debugging cost is high, the cambered surface profiling block is adjusted through the adjusting screw, the debugging time of the jig is greatly reduced, the production efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of an arc-shaped fork-shaped part.
Fig. 2 is a structural schematic diagram of an arc-shaped fork-shaped part welding clamp.
Fig. 3 is a schematic view of the structure of the handle clamping mechanism.
Fig. 4 is a schematic structural diagram of the arc-shaped fork-shaped part welding fixture clamping the arc-shaped fork-shaped part.
Detailed Description
The present invention is further described in the following examples, which are intended to be illustrative only and not to be limiting as to the scope of the utility model, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which would occur to persons skilled in the art upon reading the present specification and which are intended to be within the scope of the present invention as defined in the appended claims.
The arc-shaped fork-shaped part welding fixture of the present embodiment is suitable for arc-shaped fork-shaped parts, as shown in fig. 1, and comprises a first part 100 and a second part 200, wherein the first part 100 has a first straight shank portion 101 with a shorter length, a first arc-shaped portion 102 bent to the left is provided at the head end of the first straight shank portion 101, the second part 200 has a second straight shank portion 201 with a longer length, a second arc-shaped portion 202 bent to the right is provided at the head end of the second straight shank portion 201, and a tail end portion 203 bent to the downward is provided at the tail end of the second straight shank portion 201. When welding, the first straight shank part 101 and the second straight shank part 201 need to be welded side by side to enable the first arc-shaped part 102 and the second arc-shaped part 202 to form an arc-shaped opening, the whole part is fork-shaped, internal stress deformation is generated on the first part 100 and the second part 200 due to high temperature during welding, after the first part 100 and the second part 200 are positioned and fixed according to the size of the arc-shaped opening required by a finished product by adopting a conventional clamp, when the clamp is removed after welding, the arc-shaped opening is shrunk inwards to cause the size to be unqualified, and waste products are formed.
Arc fork form part welding jig that this embodiment relates is used for solving the welding deformation problem promptly, please combine fig. 2 to 3 shown, arc fork form part welding jig includes base 1, L support 2, cambered surface profiling piece 3, first stopper 4, second stopper 5, stalk portion bearing piece 6 and stalk portion fixture, and base 1 provides the support for anchor clamps spare part, also is convenient for simultaneously the anchor clamps centre gripping treat welding parts after install in welding equipment. The L support 2 is fixed on the front part of the base 1, the handle supporting block 6 is fixed on the middle part of the base 1, and the handle clamping mechanism is arranged on the rear part of the base 1. The L support 2 comprises a bottom plate 21 and a vertical plate 22, and the cambered surface profiling block 3 is movably connected with the bottom plate 21 of the L support 2 through a vertical screw. The back side surface of the cambered surface profiling block 3 abuts against the vertical plate 22 of the L support 2, the surface of the cambered surface profiling block 3 opposite to the back side surface is an arc-shaped side surface 31, and the arc-shaped side surface 31 is an arc-shaped opening for positioning an arc-shaped fork-shaped part. The cambered surface profile modeling block 3 is provided with a wedge-shaped groove 32 which is opened from the back side surface and extends towards the cambered side surface 31, and the head end of the wedge-shaped groove 32 is connected with a longitudinal through hole 33. The vertical plate 22 is provided with a threaded hole, the threaded hole is internally connected with an adjusting screw 7 parallel to the base 1, the front end of the adjusting screw 7 is rotatably connected with a wedge-shaped block 8, and the adjusting screw 7 drives the wedge-shaped block 8 to move relative to the vertical plate 22 through the rotation of the adjusting screw 7. The wedge-shaped block 8 is arranged in the wedge-shaped groove 32, the shape of the wedge-shaped block 8 is matched with that of the wedge-shaped groove 32, and when the wedge-shaped block 8 moves towards the head end of the wedge-shaped groove 32, the cambered surface profiling block 3 is forced to deform to enable the arc radius of the arc-shaped side surface 31 to be enlarged. In order to better support the first arc-shaped part 102 and the second arc-shaped part 202 of the part to be machined, a flange 34 is provided at the lower part of the arc-shaped side 31, the flange 34 comprising two parts separated from each other to support the first arc-shaped part 102 and the second arc-shaped part 202, respectively. A gap is reserved between the two parts of flanges 34, and the two separated parts of flanges 34 do not influence the deformation of the cambered surface profiling block 3.
The first quick clamping mechanism 9 and the second quick clamping mechanism 10 are fixedly installed on the left side and the right side of the cambered surface profiling block 3 on the base 1 respectively, the movable end of the first quick clamping mechanism 9 is connected with the first limiting block 4, and the movable end of the second quick clamping mechanism 10 is connected with the second limiting block 5. The head ends of the first limiting block 4 and the second limiting block 5 are provided with rubber blocks. The arc-shaped side surface 31, the flange 34, the first stopper 4 and the second stopper 5 cooperate to fix the first arc-shaped portion 102 and the second arc-shaped portion 202 of the arc-shaped fork-shaped part. The end of the shank bearing block 6 is provided with an L-shaped bearing surface, which is mainly used to bear the first straight shank 101 of the first part 100 of the part.
The end portion 203 of the second part 200 of the part is fixed by a handle clamping mechanism, the handle clamping mechanism comprises a side fixing block 11, a side movable block 12 and a top pressure plate 14, wherein the side fixing block 11 is fixedly connected with the base 1, the side movable block 12 is connected with the base 1 through a lateral quick clamping mechanism 13, the top pressure plate 14 is connected with the base 1 through a longitudinal quick clamping mechanism 15, vertical clamping grooves are formed in the opposite sides of the side fixing block 11 and the side movable block 12, and the top pressure plate 14 presses down on the tops of the side fixing block 11 and the side movable block 12 from the top.
Referring to fig. 4, when the arc-shaped fork-shaped part welding jig is used for clamping, the first arc-shaped portion 102 of the first portion 100 of the part to be welded is placed on the left flange 34, and the first straight shank portion 101 of the first portion 100 is supported by the L-shaped supporting surface of the shank supporting block 6. The second arc-shaped part 202 of the second part 200 of the part to be welded is placed on the right flange 34, the tail end part 203 of the second part 200 is placed in the vertical clamping groove of the side fixing block 11, the first quick clamping mechanism 9 and the second quick clamping mechanism 10 are operated to respectively press the first arc-shaped part 102 and the second arc-shaped part 202 against the arc-shaped side surface 31 of the cambered profile modeling block 3, the lateral quick clamping mechanism 13 is operated to enable the side movable block 12 to be close to the side fixing block 11 to clamp the tail end part 203 of the second part 200, and finally the longitudinal quick clamping mechanism 15 is operated to enable the jacking plate 14 to be pressed on the tops of the side fixing block 11 and the side movable block 12. Screwing the adjusting screw 7 to a proper distance to enable the cambered surface profiling block 3 to generate certain deformation, and further enabling an arc opening formed between the first arc-shaped part 102 and the second arc-shaped part 202 to be pre-deformed before welding so as to counteract deformation caused by stress after welding, thereby ensuring that the size of a welded product meets the requirement.
Claims (7)
1. An arc-shaped fork-shaped part welding fixture is characterized by comprising a base, an L support, an arc-shaped profiling block, a first limiting block, a second limiting block, a handle supporting block and a handle clamping mechanism, wherein the L support and the handle supporting block are fixed on the base, the handle clamping mechanism is fixed on the base to clamp the tail end of the handle of the arc-shaped fork-shaped part, the L support comprises a bottom plate and a vertical plate, the arc-shaped profiling block is provided with an arc-shaped side face, the first limiting block and the second limiting block are movably connected with the base, a flange is arranged at the lower part of the arc-shaped side face, the arc-shaped side face and the flange are matched with the first limiting block and the second limiting block to be used for positioning an arc-shaped fork-shaped structure of the arc-shaped fork-shaped part, the arc-shaped profiling block is movably connected to the bottom plate of the L support through a vertical screw, and the opposite back side face of the arc-shaped profiling block is close to the vertical plate of the L support, the cambered surface profiling block is provided with a wedge-shaped groove which forms an opening from the back side surface and extends towards the cambered side surface, a threaded hole is formed in the vertical plate and is connected with an adjusting screw, the front end of the adjusting screw is rotatably connected with a wedge-shaped block, and the wedge-shaped block extends into the wedge-shaped groove to change the radius of the cambered side surface.
2. The arc-shaped fork-shaped part welding fixture as claimed in claim 1, wherein a longitudinal through hole is connected to the head end of the wedge-shaped groove.
3. The arc-shaped fork welding fixture of claim 1, wherein the flange comprises two parts separated from each other with a gap between the two parts.
4. The arc-shaped fork-shaped part welding fixture as claimed in claim 1, wherein the end of the handle bearing block is provided with an L-shaped bearing surface.
5. The arc-shaped fork-shaped part welding fixture as claimed in claim 1, wherein the handle clamping mechanism comprises a side fixed block, a side movable block and a top pressing plate, the side fixed block is fixedly connected with the base, the side movable block is connected with the base through a lateral quick clamping mechanism, the top pressing plate is connected with the base through a longitudinal quick clamping mechanism, and vertical clamping grooves are formed in opposite sides of the side fixed block and the side movable block.
6. The arc-shaped forked part welding clamp as claimed in claim 1, wherein the base is provided with a first quick clamping mechanism and a second quick clamping mechanism, the movable end of the first quick clamping mechanism is connected with the first limiting block, and the movable end of the second quick clamping mechanism is connected with the second limiting block.
7. The arc-shaped forked part welding clamp as claimed in claim 1, wherein the first limiting block and the second limiting block are provided with rubber blocks at their head ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245037.2U CN215588286U (en) | 2021-06-04 | 2021-06-04 | Arc fork-shaped part welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121245037.2U CN215588286U (en) | 2021-06-04 | 2021-06-04 | Arc fork-shaped part welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215588286U true CN215588286U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121245037.2U Active CN215588286U (en) | 2021-06-04 | 2021-06-04 | Arc fork-shaped part welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215588286U (en) |
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2021
- 2021-06-04 CN CN202121245037.2U patent/CN215588286U/en active Active
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