Sheet metal part welding and clamping tool

Abstract

The utility model provides a sheet metal part welding and clamping tool, a workbench comprises a longitudinal frame body, a transverse frame body and a supporting frame body, the transverse frame body is arranged along the length direction of the workbench, the transverse frame body is arranged along the width direction of the workbench, the supporting frame body is connected with the longitudinal frame body and the transverse frame body, a movable seat is arranged on the supporting frame body, and the movable seat is connected with the longitudinal frame body and the transverse frame body. More than one mounting through hole is formed in each of the longitudinal frame body, the transverse frame body, the supporting frame body and the movable seat, and the first clamps are detachably arranged on the mounting through holes; the first clamps are detachably connected with the mounting through holes, meanwhile, the mounting through holes are distributed in the length direction and the width direction of the workbench, and the first clamps are arranged on the mounting through holes in different positions, so that the first clamps can be distributed in different positions of the workbench, and workpieces of different specifications can be clamped conveniently; and meanwhile, different positions of the workpiece can be clamped.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a sheet metal welding clamping tool. Background Art

[0002] During the welding process of sheet metal parts, the sheet metal parts need to be clamped, especially for sheet metal parts with larger sizes, different positions of the sheet metal parts need to be clamped at the same time.

[0003] A patent document in China with a new application number of 202023110405.0 and an announcement date of August 31, 2021, discloses a welding flip fixture, comprising a base, a rectangular workbench and a flip mechanism for driving the workbench to flip, wherein the rotating shaft of the workbench is rotatably connected to the bracket; the flip mechanism comprises a gear box, a bearing seat and a turntable; a stop mechanism is also provided, wherein the stop mechanism comprises a wheel disc and a connecting rod structure, wherein the wheel disc is arranged between the bearing seat and the workbench; the connecting rod structure comprises a first connecting rod, a second connecting rod and a third connecting rod; the workbench is provided with a plurality of clamping mechanisms to clamp and fix the workpiece, and the clamping mechanisms are symmetrically distributed along both sides of the workbench.

[0004] In this clamp, the clamping mechanism is fixedly arranged on the workbench, so the position of the clamping mechanism cannot be adjusted; the clamping position of the clamping mechanism on the sheet metal part cannot be changed, so it is not suitable for sheet metal parts of different specifications; at the same time, the clamping mechanism is only arranged along the length direction of the workbench, and the clamping mechanism clamps the workpiece by approaching the support block through the pressing block, and the pressing block can only move up and down relative to the support block and cannot rotate. Since the pressing block is located above the support block, it is easy to be blocked by the pressing block when placing the workpiece, which makes it inconvenient to place the workpiece on the support block. Summary of the invention

[0005] The utility model provides a sheet metal welding clamping tool, wherein a first clamp is detachably connected to an installation through hole, and the installation through holes are distributed along the length direction and the width direction of a workbench. The first clamp is arranged on the installation through holes at different positions, and then the first clamp can be distributed at different positions of the workbench, which is convenient for clamping workpieces of different specifications; at the same time, different positions of the workpiece can be clamped.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a sheet metal welding clamping tool, including a workbench and a first clamp, the workbench includes a longitudinal frame, a transverse frame and a supporting frame, the transverse frame is arranged along the length direction of the workbench, the transverse frame is arranged along the width direction of the workbench, the supporting frame connects the longitudinal frame and the transverse frame, a movable seat is provided on the supporting frame, and one or more mounting through holes are respectively provided on the longitudinal frame, the transverse frame, the supporting frame and the movable seat, and the first clamp is detachably arranged on the mounting through hole.

[0007] The movable seat is movably arranged on the supporting frame, and the movable seat includes an upper seat body and a lower seat body. The upper seat body and the lower seat body are detachably connected by a fastening device. An accommodating area is arranged between the upper seat body and the lower seat body, and the accommodating area is used to accommodate the supporting frame. The fastening device adjusts the distance between the upper seat body and the lower seat body to clamp the supporting frame. One or more positioning members are arranged on the transverse frame, and the positioning members are protruded outward from the surface of the transverse frame.

[0008] The first clamp includes a connecting threaded column, one end of which is inserted into the mounting through hole, a supporting assembly and a clamping block are sleeved on the connecting threaded column, and the clamping block is arranged above the supporting assembly and abuts against the supporting assembly; the supporting assembly is provided with a second threaded hole, and the second threaded hole is threadedly connected to the connecting threaded column; a waist hole is provided in the clamping block, and the waist hole is arranged along the length direction of the clamping block, the connecting threaded column is inserted into the waist hole, a locking piece is provided above the clamping block, and the locking piece is provided with a first threaded hole, and the first threaded hole is threadedly connected to the connecting threaded column to press the clamping block onto the supporting assembly.

[0009] In the above arrangement, the first clamp is detachably connected to the mounting through hole, and the mounting through holes are distributed along the length and width of the workbench. The first clamp is arranged on the mounting through holes at different positions, so that the first clamp can be distributed at different positions of the workbench, which is convenient for clamping workpieces of different specifications; and different positions of the workpiece can be clamped at the same time. A positioning piece is arranged to position the workpiece, and a concave hole cooperating with the positioning piece is arranged in the workpiece. The positioning piece and the concave hole limit the position of the workpiece on the workbench, and when the workpiece is clamped, the displacement of the workpiece is avoided, and the reliability is good. At the same time, a movable seat is arranged on the support frame between the horizontal frame and the longitudinal frame, so that the movable seat can move along the length direction of the support frame to facilitate the adjustment of the clamping position without being restricted by the position of the mounting through hole. Moreover, since the support frame is located at the connection between the horizontal frame and the longitudinal frame, it is in the middle overhead position, which will not affect the installation and connection of the entire frame, and is convenient for the installation of the mounting seat.

[0010] The first clamp supports the clamp block through the supporting assembly, and the waist hole of the clamp block cooperates with the connecting thread column to realize the movement of the clamp block along the circumferential direction of the connecting thread column, so as to adjust the position of the clamp block by rotating the clamp block. When placing the workpiece, the clamp block is rotated so that the clamp block avoids the workpiece, which is convenient for placing the workpiece on the workbench; when the workpiece is placed in place, the clamp block is rotated again so that the clamp block swings above the workpiece, and the clamp block is locked by the locking member to limit the rotation position of the clamp block on the connecting thread column, and the clamp block cooperates with the workbench to clamp the workpiece. At the same time, by rotating the clamp block, the position of the clamp block can be adjusted to realize the clamping of the workpiece at different positions.

[0011] By setting a moving seat, the moving seat is movably set on the supporting frame body, and the clamping block is driven to make the first movement by adjusting the position of the moving seat on the supporting frame body; at the same time, through the waist hole cooperating with the connecting threaded column, the clamping block can be moved relative to the connecting threaded column along the length direction of the clamping block, so that the clamping block makes the second movement. The clamping block has a large range of horizontal movement, which is convenient for adjusting the position of the clamping block and the contact area between the clamping block and the workpiece.

[0012] At the same time, the connection between the upper seat body and the lower seat body in the movable seat is disassembled, and the upper seat body and the lower seat body are loosened by the fastening device, so that the movable seat can move on the supporting frame body; the upper seat body and the lower seat body are locked by the fastening device, so that the movable seat is clamped on the supporting frame body, the structure is simple, and the position of the movable seat is easy to adjust.

[0013] Furthermore, the support frame includes a first support frame and a second support frame, the second support frame is arranged on one side of a longitudinal frame and is arranged parallel to the longitudinal frame, the first support frame connects the longitudinal frame and the second support frame, and is arranged parallel to the transverse frame; the movable seat is movably arranged on the first support frame.

[0014] In the above arrangement, the support frame connects the longitudinal frame and the transverse frame to improve the supporting strength of the workbench; at the same time, the first support frame is located on one side of the first longitudinal frame and extends along the length direction of the workbench, so that the first clamp is provided on both sides and the end of the workbench, which has a good clamping effect on the workpiece.

[0015] Furthermore, one end of the clamping block is used to contact the workpiece, and the other end of the clamping block is connected to a support portion, which is located below the clamping block and extends along the length direction of the connecting threaded column.

[0016] In the above arrangement, the bottom of the support part is used to abut against the workbench, and under the action of the support part, the supporting effect on the clamping block is improved.

[0017] Furthermore, a protrusion is provided on the bottom surface of the support portion, and the cross-sectional area of ​​the protrusion is smaller than the cross-sectional area of ​​the bottom surface of the support portion.

[0018] The above arrangement sets the raised portion in contact with the workbench, reducing the contact area between the support portion and the workbench, thereby reducing the friction between the support portion and the workbench when the clamping block is rotated.

[0019] Furthermore, the support portion and the clamping block are detachably connected.

[0020] The above arrangement facilitates the disassembly and assembly of the support part on the clamping block.

[0021] Furthermore, the upper seat body includes a mounting base plate and a mounting seat body, and the mounting seat body is arranged above the mounting base plate; a step portion is provided on the mounting base body, and the step portion is protruded upward in a direction away from the mounting base plate, and an avoidance area is provided between the step portion and the mounting base plate; the mounting through hole is provided in the step portion, and a resisting portion is provided at the bottom of the connecting threaded column; the connecting threaded column is passed through the mounting through hole, and the resisting portion contacts the bottom surface of the step portion.

[0022] The above setting sets an avoidance area to avoid the resisting part, which is convenient for the disassembly and assembly of the connecting threaded column; at the same time, after the connecting threaded column is installed, it does not affect the coordination between the mounting base plate and the mounting seat body; by increasing the contact area between the upper seat body and the workbench by installing the base plate, the movable seat can be stably set on the supporting workbench.

[0023] Furthermore, a first through hole is provided at both ends of the mounting seat body, a second through hole is provided at both ends of the mounting base plate, and a third through hole is provided at the end of the lower seat body; the fastening device includes a fastening bolt and a fastening nut; the fastening bolt passes through the first through hole, the second through hole and the third through hole and is connected to the fastening nut.

[0024] With the above arrangement, when the mounting seat body needs to be disassembled, it is only necessary to take out the fastening bolts and the fastening nuts from the first through hole and the second through hole, which is convenient for disassembly and assembly.

[0025] Furthermore, a fixed bracket is provided under the workbench, and a second clamp is provided on the fixed bracket. The second clamp cooperates with the positioning piece to clamp the workpiece, and the clamping direction of the second clamp is perpendicular to the clamping direction of the first clamp.

[0026] In the above arrangement, the first clamp cooperates with the workbench to clamp the workpiece along the height direction of the workpiece; the second clamp cooperates with the positioning piece to clamp the workpiece along the thickness direction of the workpiece, which has a good clamping effect and good stability on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the utility model being arranged on a flip device.

[0028] Figure 2 for Figure 1 A is an enlarged view of the middle image.

[0029] Figure 3 It is a schematic diagram of a workbench in the utility model.

[0030] Figure 4 It is a schematic diagram of the first clamp in the utility model being arranged on the movable seat.

[0031] Figure 5 It is an exploded view of the movable seat in the utility model.

[0032] Figure 6This is an exploded view of the first clamp in the present utility model.

[0033] Figure 7 This is a schematic diagram of the first clamp and the second clamp in the utility model clamping a workpiece.

[0034] Figure 8 It is a three-dimensional schematic diagram of the first clamp and the second clamp in the utility model clamping the workpiece. DETAILED DESCRIPTION

[0035] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0036] like Figure 1-8 As shown, a sheet metal welding clamping tool includes a workbench 1 and a first clamp 2. The workbench 1 includes a longitudinal frame 11, a transverse frame 12 and a supporting frame 13. The transverse frame 12 is arranged along the length direction of the workbench 1, and the transverse frame 12 is arranged along the width direction of the workbench 1. The longitudinal frames 11 and the transverse frames 12 are respectively provided with two, and the two transverse frames 12 are symmetrical about the supporting frame 13. The longitudinal frames 11 are connected to the ends of the transverse frames 12.

[0037] The support frame 13 connects the longitudinal frame 11 and the two transverse frames 12, and a movable seat 3 is provided on the support frame 13. One or more mounting through holes 4 are respectively provided on the longitudinal frame 11, the transverse frame 12, the support frame 13 and the movable seat 3, and the first clamp 2 is detachably arranged on the mounting through holes 4. The first clamp 2 is detachably connected to the mounting through holes 4, and the mounting through holes 4 are distributed along the length direction and the width direction of the workbench 1, so that the first clamp 2 is arranged on the mounting through holes 4 at different positions, so as to facilitate clamping of workpieces 5 of different specifications; and at the same time, different positions of the workpiece 5 can be clamped.

[0038] The first clamp 2 includes a connecting threaded column 21, one end of which is inserted into the mounting through hole 4, a supporting component 22 and a clamping block 23 are sleeved on the connecting threaded column 21, and the clamping block 23 is arranged above the supporting component 22 and abuts against the supporting component 22; the supporting component 22 is provided with a second threaded hole, which is threadedly connected to the connecting threaded column 21; when the supporting component 22 is installed in place on the connecting threaded column 21, the movement of the supporting component 22 is restricted along the height direction of the connecting threaded column 21, and the support of the clamping block 23 is stable.

[0039] A waist hole 231 is provided in the clamping block 23, and the waist hole 231 is arranged along the length direction of the clamping block 23. The connecting threaded column 21 is passed through the waist hole 231. A locking piece 24 is provided above the clamping block 23, and the locking piece 24 is provided with a first threaded hole. The first threaded hole is threadedly connected to the connecting threaded column 21 to press the clamping block 23 onto the supporting assembly 22.

[0040] The first clamp 2 supports the clamp block 23 through the supporting assembly 22, and the waist hole 231 of the clamp block 23 cooperates with the connecting thread column 21 to realize the movement of the clamp block 23 along the circumferential direction of the connecting thread column 21, so that the position of the clamp block 23 can be adjusted by rotating the clamp block 23. When placing the workpiece 5, the clamp block 23 is rotated so that the clamp block 23 avoids the workpiece 5, which is convenient for placing the workpiece 5 on the workbench 1; when the workpiece 5 is placed in place; the clamp block 23 is rotated again so that the clamp block 23 swings above the workpiece 5, and the clamp block 23 is locked by the locking member 24 to limit the rotation position of the clamp block 23 on the connecting thread column 21, and the clamp block 23 cooperates with the workbench 1 to clamp the workpiece 5. At the same time, by rotating the clamp block 23, the position of the clamp block 23 can be adjusted to realize the clamping of the workpiece 5 at different positions by the clamp block 23.

[0041] The movable seat 3 is movably arranged on the support frame 13, and the movable seat 3 includes an upper seat body 31 and a lower seat body 32. The upper seat body 31 and the lower seat body 32 are detachably connected via a fastening device 33. An accommodating area 34 is provided between the upper seat body 31 and the lower seat body 32. The accommodating area 34 is used to accommodate the support frame 13. The fastening device 33 adjusts the distance between the upper seat body 31 and the lower seat body 32 to clamp the frame.

[0042] By adjusting the position of the movable seat 3 on the support frame 13, the clamping block 23 is driven to perform the first movement; at the same time, through the waist hole 231 and the connecting threaded column 21, the clamping block 23 can be moved relative to the connecting threaded column 21 along the length direction of the clamping block 23, so that the clamping block 23 performs the second movement. The horizontal movement range of the clamping block 23 is large, which is convenient for adjusting the position of the clamping block 23 and the contact area between the clamping block 23 and the workpiece 5.

[0043] At the same time, the connection between the upper seat body 31 and the lower seat body 32 in the movable seat 3 is disassembled, and the upper seat body 31 and the lower seat body 32 are loosened by the fastening device 33, so that the movable seat 3 can move on the support frame 13; the upper seat body 31 and the lower seat body 32 are locked by the fastening device 33, so that the movable seat 3 is clamped on the support frame 13, the structure is simple, and the position of the movable seat 3 is easy to adjust.

[0044] At the same time, a movable seat is arranged on the support frame between the transverse frame and the longitudinal frame, so that the movable seat can be moved along the length direction of the support frame to facilitate the adjustment of the clamping position without being restricted by the position of the installation through hole. Moreover, since the support frame is located at the connection between the transverse frame and the longitudinal frame, it is in the middle overhead position, which will not affect the installation and connection of the entire frame, and is convenient for the installation of the mounting seat.

[0045] The upper seat body 31 includes a mounting base plate 312 and a mounting seat body 311, and the mounting seat body 311 is arranged above the mounting base plate 312; a step portion 313 is provided on the mounting seat body 311, and the step portion 313 is protruded upward in a direction away from the mounting base plate 312, and an avoidance area 314 is provided between the step portion 313 and the mounting base plate 312; the mounting through hole 4 is provided in the step portion 313, and a stop portion 211 is provided at the bottom of the connecting threaded column 21; the connecting threaded column 21 is penetrated in the mounting through hole 4, and the stop portion 211 contacts the bottom surface of the step portion 313.

[0046] An avoidance area 314 is set to avoid the resisting portion 211, so as to facilitate the disassembly and assembly of the connecting threaded column 21; at the same time, after the connecting threaded column 21 is installed, the cooperation between the mounting base plate 312 and the mounting seat body 311 is not affected; by increasing the contact area between the upper seat body 31 and the support frame body 13 through the mounting base plate 312, the movable seat 3 is stably set on the support frame body 13.

[0047] Reference Figure 4 As shown, the first clamp 2 is installed on the movable seat 3; the connecting threaded column 21 is installed on the movable seat 3 by the abutment portion 211 abutting against the bottom surface of the step portion 313 and the supporting assembly 22 abutting against the top surface of the step portion 313.

[0048] Reference Figure 1 and Figure 6 As shown, a first clamp 2 is installed on a longitudinal frame 11, a transverse frame 12 or a supporting frame 13; the connecting threaded column 21 is installed on the workbench 1 by the abutment portion 211 abutting against the bottom surface of the workbench 1 and the supporting component 22 abutting against the top surface of the workbench 1.

[0049] The supporting assembly 22 includes at least one fastener, and the second threaded hole is disposed in the fastener. In this embodiment, the fastener and the locking member 244 are nuts.

[0050] A first through hole 315 is provided at both ends of the mounting seat body 311, a second through hole 316 is provided at both ends of the mounting base plate 312, and a third through hole (not shown in the figure) is provided at the end of the lower seat body 32; the fastening device 33 includes a fastening bolt 331 and a fastening nut 332; the fastening bolt 331 passes through the first through hole 315 and the second through hole 316 and is connected to the fastening nut 332. When the mounting seat body 311 needs to be disassembled, it is only necessary to take out the fastening bolt 331 and the fastening nut 332 from the first through hole 315 and the second through hole 316, which is convenient for disassembly and assembly.

[0051] In this embodiment, one end of the clamping block 23 is used to contact the workpiece 5, and the other end of the clamping block 23 is connected to a support portion 25, which is located below the clamping block 23 and extends along the length direction of the connecting threaded column 21. The bottom of the support portion 25 is used to abut against the workbench 1, and under the action of the support portion 25, the support effect on the clamping block 23 is improved. A protrusion 251 is convexly provided on the bottom surface of the support portion 25, and the cross-sectional area of ​​the protrusion 251 is smaller than the cross-sectional area of ​​the bottom surface of the support portion 25. The protrusion 251 is arranged to contact the workbench 1 to reduce the contact area between the support portion 25 and the workbench 1, thereby reducing the friction between the support portion 25 and the workbench 1 when the clamping block 23 is rotated.

[0052] The support portion 25 is detachably connected to the clamping block 23, which facilitates the disassembly and assembly of the support portion 25 on the clamping block 23. In this embodiment, a first mounting hole 232 is provided on the other end of the clamping block 23, and a second mounting hole 252 is provided in the support portion 25. The second mounting hole 252 is a threaded hole. A bolt passes through the first mounting hole 232 and is threadedly connected to the second mounting hole 252, thereby realizing a detachable connection between the support portion 25 and the clamping block 23, and the structure is simple.

[0053] A cushion block 26 is provided between the locking member 24 and the clamping block 23, and the cushion block 26 is sleeved on the connecting threaded column 21; the cross-sectional area of ​​the cushion block 26 is larger than the cross-sectional area of ​​the locking member 24. By providing the cushion block 26, the contact area between the locking member 24 and the clamping block 23 is increased, and the locking effect of the locking member 24 on the clamping block 23 is good.

[0054] Reference Figure 2 As shown, one or more positioning members 14 are provided on the transverse frame 12, and the positioning members 14 are provided protruding outward from the surface of the transverse frame 12. A concave hole (not shown in the figure) cooperating with the positioning member 14 is provided in the workpiece 5, and the positioning member 14 is provided to position the workpiece 5. The positioning member 14 and the concave hole limit the position of the workpiece 5 on the workbench 1, and when the workpiece 5 is clamped, the workpiece 5 is prevented from shifting, and the reliability is good.

[0055] In this embodiment, the support frame 13 includes a first support frame 131 and a second support frame 132, the second support frame 132 is arranged on one side of a longitudinal frame 11 and is arranged parallel to the longitudinal frame 11, the first support frame 131 connects the longitudinal frame 11 and the second support frame 132, and is arranged parallel to the transverse frame 12; the movable seat 3 is movably arranged on the first support frame 131. The support frame 13 connects the longitudinal frame 11 and the transverse frame 12 to improve the support strength of the workbench 1; at the same time, the first support frame 131 is located on one side of the first longitudinal frame 11 and extends along the length direction of the workbench 1, so that the first clamp 2 is provided on both sides and the end of the workbench 1, and the clamping effect of the workpiece 5 is good.

[0056] A fixed bracket 15 is provided below the workbench 1 , on which a second clamp 6 is provided. The second clamp 6 cooperates with the positioning member 14 to clamp the workpiece, and the clamping direction of the second clamp 6 is perpendicular to the clamping direction of the first clamp 2 .

[0057] The second clamp 6 includes a second connecting column 61, a second supporting assembly 62, a second clamping block 63 and a second locking member 64; the second supporting assembly 62, the second clamping block 63 and the second locking member 64 are arranged on the connecting column 61, the second clamping block 63 is located between the second supporting assembly 62 and the second locking member 64, one side of the second supporting assembly 62 abuts against the fixing bracket 15, the other side of the second supporting assembly 62 is connected to the second clamping block 63, and the second locking member 64 is used to lock the second clamping block 63. In this embodiment,

[0058] The second connecting column 61 has the same structure as the connecting threaded column 21 , the second supporting assembly 62 has the same structure as the supporting assembly 22 , the second clamping block 63 has the same structure as the clamping block 23 , and the second locking member 64 has the same structure as the locking member 24 .

[0059] The second clamping block 62 is provided with a rotation through hole, and the second clamping block 62 can be rotatably disposed on the connecting column 61 through the through hole. One end of the second clamping block 62 extends along the height direction of the workbench 1.

[0060] The first clamp 2 cooperates with the workbench 1 to clamp the workpiece along the height direction of the workpiece; the second clamp cooperates with the positioning piece to clamp the workpiece along the thickness direction of the workpiece, which has a good clamping effect and good stability on the workpiece. Figure 7 As shown, the clamping block 23 of the first clamp 2 clamps the workpiece along the K1 direction; the second clamping block 63 of the second clamp 6 clamps the workpiece along the K2 direction.

[0061] The working principle of the utility model is as follows: before placing the workpiece 5, the clamping block 23 rotates relative to the connecting threaded column 21, so that the clamping block 23 does not interfere with the workpiece 5 placed on the workbench 1; the second clamping block 63 rotates relative to the second connecting column 61 to avoid the workpiece 5, and the workpiece 5 is placed on the workbench 1 by aligning the concave hole of the workpiece 5 with the positioning member 14; then the clamping block 23 is rotated above the workpiece 5; then the locking member 24 is tightened, and under the pressure of the locking member 24, the clamping block 23 presses the workpiece 5 on the workbench 1, and clamps the workpiece 5 along the height direction of the workpiece.

[0062] Rotate the second clamping block 63 to one side of the workpiece 5; then tighten the second locking member 64. Under the pressure of the second locking member 64, the second clamping block 63 presses the workpiece 5 onto the positioning member 14 and clamps the workpiece 5 along the thickness direction of the workpiece.

[0063] When the clamping block 23 on the workbench 1 moves horizontally, the position of the clamping block 23 on the connecting threaded column 21 is adjusted, and the clamping block 23 is moved relative to the connecting threaded column 21 along the length direction of the clamping block 23 to change the position of the clamping block 23.

[0064] When the clamping block 23 of the moving seat 3 moves horizontally, the position of the moving seat 3 on the supporting frame 13 is adjusted to drive the clamping block 23 to move for the first time; the position of the clamping block 23 on the connecting threaded column 21 is adjusted, and the clamping block 23 is moved relative to the connecting threaded column 21 along the length direction of the clamping block 23, so that the clamping block 23 moves for the second time; the position of the clamping block 23 is changed.

Claims

1. A sheet metal welding clamping tool, comprising a workbench and a first clamp, characterized in that: The workbench includes a longitudinal frame, a transverse frame and a supporting frame, the transverse frame is arranged along the length direction of the workbench, the transverse frame is arranged along the width direction of the workbench, the supporting frame connects the longitudinal frame and the transverse frame, a movable seat is arranged on the supporting frame, and one or more mounting through holes are respectively arranged on the longitudinal frame, the transverse frame, the supporting frame and the movable seat, and the first clamp is detachably arranged on the mounting through hole; The movable seat is movably arranged on the support frame, and the movable seat includes an upper seat and a lower seat, and the upper seat and the lower seat are detachably connected by a fastening device, and a receiving area is arranged between the upper seat and the lower seat, and the receiving area is used to accommodate the support frame, and the fastening device adjusts the distance between the upper seat and the lower seat to clamp the support frame; one or more positioning members are arranged on the transverse frame, and the positioning members are convexly arranged outward from the surface of the transverse frame; The first clamp includes a connecting threaded column, one end of which is inserted into the mounting through hole, a supporting assembly and a clamping block are sleeved on the connecting threaded column, and the clamping block is arranged above the supporting assembly and abuts against the supporting assembly; the supporting assembly is provided with a second threaded hole, and the second threaded hole is threadedly connected to the connecting threaded column; a waist hole is provided in the clamping block, and the waist hole is arranged along the length direction of the clamping block, the connecting threaded column is inserted into the waist hole, a locking piece is provided above the clamping block, and the locking piece is provided with a first threaded hole, and the first threaded hole is threadedly connected to the connecting threaded column to press the clamping block onto the supporting assembly.

2. The sheet metal welding clamping tool according to claim 1, characterized in that: The support frame includes a first support frame and a second support frame. The second support frame is arranged on one side of a longitudinal frame and is arranged parallel to the longitudinal frame. The first support frame connects the longitudinal frame and the second support frame and is arranged parallel to the transverse frame. The movable seat is movably arranged on the first support frame.

3. The sheet metal welding clamping tool according to claim 1, characterized in that: One end of the clamping block is used to contact the workpiece, and the other end of the clamping block is connected to a supporting portion, which is located below the clamping block and extends along the length direction of the connecting threaded column.

4. The sheet metal welding clamping tool according to claim 3, characterized in that: A protrusion is convexly arranged on the bottom surface of the support portion, and the cross-sectional area of ​​the protrusion is smaller than the cross-sectional area of ​​the bottom surface of the support portion.

5. The sheet metal welding clamping tool according to claim 1, characterized in that: The support part and the clamping block are detachably connected.

6. The sheet metal welding clamping tool according to claim 1, characterized in that: The upper seat body includes a mounting base plate and a mounting seat body, the mounting base body is arranged above the mounting base plate; a step portion is provided on the mounting base body, the step portion is protruded upward in a direction away from the mounting base plate, and an avoidance area is provided between the step portion and the mounting base plate; the mounting through hole is provided in the step portion, and a resisting portion is provided at the bottom of the connecting threaded column; the connecting threaded column is passed through the mounting through hole, and the resisting portion contacts the bottom surface of the step portion.

7. The sheet metal welding clamping tool according to claim 1, characterized in that: A first through hole is provided at both ends of the mounting seat body, a second through hole is provided at both ends of the mounting base plate, and a third through hole is provided at the end of the lower seat body; the fastening device includes a fastening bolt and a fastening nut; the fastening bolt passes through the first through hole, the second through hole and the third through hole and is connected to the fastening nut.

8. The sheet metal welding clamping tool according to claim 1, characterized in that: A fixed bracket is also provided under the workbench, on which a second clamp is provided. The second clamp cooperates with the positioning piece to clamp the workpiece, and the clamping direction of the second clamp is perpendicular to the clamping direction of the first clamp.

Images