Automobile part welding clamp

Abstract

The utility model provides an automobile part welding fixture, which belongs to the technical field of automobile workpiece welding and comprises a support table. The operation table is coaxially and fixedly connected to the upper surface of the connecting shaft; the two supporting plates are arranged on the operation table in a scattered mode; the limiting box is fixedly connected to the top of the supporting plate on the right side; the angle conversion assembly is arranged above the operation table; and the rotating assembly is arranged in the supporting table. By means of the automobile part overturning device, automobile parts can be overturned conveniently, the bottoms of the automobile parts can be welded conveniently, a worker does not need to move the position of a welding tool when welding the backs of the automobile parts, and the welding efficiency of the automobile parts is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile workpiece welding, and more specifically, particularly relates to an automobile parts welding fixture. Background Art

[0002] During the processing of automobile parts, welding fixtures can play the role of positioning and clamping workpieces to ensure the correct position of the workpieces, thereby ensuring the accuracy of subsequent welding. Existing automobile parts welding fixtures are generally composed of an operating table and a clamping mechanism.

[0003] The utility model with the existing application number 202122889151.5 discloses a welding fixture for automobile parts, including a workbench, a first support plate is fixedly installed on the surface of the workbench, a welding protective mask is fixedly installed on one side of the first support plate, a second support plate is fixedly installed on one side of the welding protective mask, and a threaded opening is provided on one side of the first support plate and the second support plate. The welding fixture for automobile parts is provided by the matching arrangement of a clamping block, a threaded hole and a threaded clamp. When in use, the automobile parts to be welded are placed in the clamping block, and then the threaded clamp is tightened, thereby playing the role of clamping the parts. By the matching arrangement of a telescopic main rod, a telescopic auxiliary rod, a fastening bolt and a fastening groove, the telescopic auxiliary rod is adjusted to a suitable length when in use, and then the fastening bolt is tightened to fit the fastening groove, thereby playing the role of adjusting the length of the clamping block, which is convenient for users to perform welding work.

[0004] Based on the above, in order to ensure the accuracy and quality of the welding operation, workers need to move their bodies many times when welding around auto parts. When they want to weld on the back of auto parts, they even need to pull the welding cable many times to reach the required length. The operation process is relatively cumbersome and time-consuming. Utility Model Content

[0005] In order to solve the above technical problems at least to a certain extent, the utility model provides a welding fixture for automobile parts.

[0006] The purpose and effect of the automobile parts welding fixture of the utility model are achieved by the following specific technical means:

[0007] An automobile parts welding fixture comprises a support platform;

[0008] A connecting shaft, the connecting shaft being rotatably connected to the top of the support platform;

[0009] An operating table, the operating table is coaxially fixedly connected to the connecting shaft;

[0010] A hand wheel, the hand wheel being rotatably connected to the right side of the operating table;

[0011] A support plate, wherein two support plates are provided, and the two support plates are dispersedly arranged on the operating table;

[0012] A rotating shaft, wherein two rotating shafts are provided, and the two rotating shafts are rotatably connected to the inner sides of the tops of the two supporting plates respectively;

[0013] A clamping block, wherein two clamping blocks are provided, and the two clamping blocks are respectively fixedly connected to the inner sides of the two rotating shafts;

[0014] A limit box, the limit box is fixedly connected to the top of the support plate on the right side;

[0015] An angle conversion component, wherein the angle conversion component is arranged above the operating table;

[0016] A rotating assembly is arranged inside the supporting platform.

[0017] Furthermore, the angle conversion component includes:

[0018] Slide blocks, wherein two slide blocks are provided, and the two slide blocks are slidably connected inside the operating table in a dispersed manner, and the two slide blocks are fixedly connected to two support plates respectively;

[0019] A bidirectional lead screw is coaxially fixedly connected to the left side of the hand wheel, and the left and right ends of the bidirectional lead screw are respectively threadedly connected to two sliders.

[0020] Furthermore, the angle conversion component also includes:

[0021] A limit pin, wherein the limit pin is slidably connected inside the limit box;

[0022] A shift plate, the shift plate being fixedly connected to the right side of the limit pin;

[0023] A resistance spring, wherein the left end of the resistance spring is fixedly connected to the right side of the shift plate, and the right end of the resistance spring is fixedly connected to the inside of the limit box.

[0024] Furthermore, the angle conversion component also includes:

[0025] Connecting piece, two connecting pieces are provided, the two connecting pieces are respectively fixedly connected to the outsides of the two rotating shafts, the connecting piece on the right side is provided with two limiting holes, and the left end of the limiting pin passes through a limiting hole at the top;

[0026] A first gripping member, wherein the first gripping member is fixedly connected to the bottom of the connecting member on the right side;

[0027] The second gripping piece is fixedly connected to the bottom of the left connecting piece, and the first gripping piece is inserted inside the second gripping piece.

[0028] Furthermore, the rotating assembly includes:

[0029] A foot pedal, the foot pedal being slidably connected to the front of the bottom of the support platform;

[0030] A transmission rack, the transmission rack is fixedly connected behind the foot pedal;

[0031] A return spring, the top of which is fixedly connected to the bottom of the transmission rack, and the bottom of which is fixedly connected to the inside of the support platform;

[0032] A transmission gear is rotatably connected to the inside of the support platform, and the transmission gear is meshed with a transmission rack.

[0033] Furthermore, the rotating assembly also includes:

[0034] A transmission ratchet, the transmission ratchet is coaxially fixedly connected behind the transmission gear;

[0035] A first transmission shaft, the first transmission shaft is rotatably connected inside the support platform;

[0036] A transmission pawl is coaxially fixedly connected to the front end of the first transmission shaft, and the transmission pawl is meshed with the transmission ratchet wheel.

[0037] Furthermore, the rotating assembly also includes:

[0038] A transmission worm, the transmission worm being coaxially fixedly connected to the rear end of the first transmission shaft;

[0039] A second transmission shaft, the second transmission shaft is coaxially fixedly connected below the connecting shaft;

[0040] A transmission worm wheel is coaxially fixedly connected to the outside of the second transmission shaft, and the transmission worm wheel is meshed with the transmission worm.

[0041] Compared with the prior art, the utility model has the following beneficial effects:

[0042] First, after pushing the paddle to the right, the auto parts can be flipped over by holding the first grip or the second grip to flip the two connecting parts. After releasing the paddle, the limit pin fixes the connecting parts and the support plate to keep the auto parts in a bottom-up position, which is convenient for welding the bottom of the auto parts.

[0043] Secondly, by pressing the foot pedal downward, the connecting shaft and the operating table rotate under the action of the rotating assembly, so that the back of the auto part faces the welding worker. The worker can weld the back of the auto part without moving himself or the welding tool, which makes the operation more convenient.

[0044] The utility model can conveniently turn over the automobile parts without removing the automobile parts from between the two clamping blocks, which is convenient for workers to perform welding processing on the bottom of the automobile parts. By stepping down the pedal, the back of the automobile parts can be turned towards the workers, and the workers can conveniently perform welding processing on the back of the automobile parts without moving the position of the welding tools, thereby greatly improving the welding efficiency of automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0046] Figure 2 It is a structural schematic diagram of the support plate of the utility model.

[0047] Figure 3 It is a schematic diagram of the limit box structure of the utility model.

[0048] Figure 4 It is a schematic diagram of the foot pedal structure of the utility model.

[0049] Figure 5 It is a schematic diagram of the connecting shaft structure of the utility model.

[0050] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0051] 1. Support table; 2. Operating table; 201. Slider; 3. Hand wheel; 301. Bidirectional screw; 4. Support plate; 401. Rotating shaft; 402. Clamping block; 5. Connecting piece; 501. First gripping piece; 502. Second gripping piece; 6. Limit box; 601. Limit pin; 602. Paddle; 603. Resistance spring; 7. Pedal; 701. Transmission rack; 702. Reset spring; 8. Transmission gear; 801. Transmission ratchet; 9. First transmission shaft; 901. Transmission pawl; 902. Transmission worm; 10. Connecting shaft; 1001. Second transmission shaft; 1002. Transmission worm wheel. DETAILED DESCRIPTION

[0052] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0053] Embodiment 1:

[0054] like Figures 1 to 5 As shown:

[0055] This embodiment provides an automobile parts welding fixture, including a support platform 1;

[0056] A connecting shaft 10, the connecting shaft 10 is rotatably connected to the top of the support platform 1;

[0057] An operating table 2, the operating table 2 is coaxially fixedly connected to the connecting shaft 10;

[0058] Hand wheel 3, hand wheel 3 is rotatably connected to the right side of operating table 2;

[0059] Support plate 4, two support plates 4 are provided, and the two support plates 4 are dispersedly arranged on the operating table 2;

[0060] A rotating shaft 401, wherein two rotating shafts 401 are provided, and the two rotating shafts 401 are rotatably connected to the inner sides of the tops of the two supporting plates 4 respectively;

[0061] A clamping block 402, wherein the clamping block 402 is provided with two pieces, and the two pieces are respectively fixedly connected to the inner sides of the two rotating shafts 401;

[0062] A limit box 6, which is fixedly connected to the top of the support plate 4 on the right side;

[0063] Angle conversion component, the angle conversion component is arranged above the operating platform 2.

[0064] Among them, the angle transformation components include:

[0065] Sliding blocks 201, two sliding blocks 201 are provided, the two sliding blocks 201 are slidably connected inside the operating table 2, and the two sliding blocks 201 are fixedly connected to the two supporting plates 4 respectively;

[0066] The bidirectional lead screw 301 is coaxially fixedly connected to the left side of the hand wheel 3. The left and right ends of the bidirectional lead screw 301 are respectively threadedly connected to the two sliders 201. The effect is that when the hand wheel 3 is rotated, the two support plates 4 are driven to move inward or outward at the same time through the threaded transmission mechanism formed by the left and right ends of the bidirectional lead screw 301 and the two sliders 201.

[0067] Among them, the angle transformation component also includes:

[0068] A limit pin 601, the limit pin 601 is slidably connected inside the limit box 6;

[0069] A shift plate 602, which is fixedly connected to the right side of the limit pin 601;

[0070] The resistance spring 603, the left end of the resistance spring 603 is fixedly connected to the right side of the shift plate 602, and the right end of the resistance spring 603 is fixedly connected to the inside of the limit box 6. The effect is that when the shift plate 602 is shifted to the right, the limit pin 601 can be retracted into the inside of the limit box 6, and the shift plate 602 is released. Under the action of the resistance spring 603, the shift plate 602 and the limit pin 601 return to their original positions.

[0071] Among them, the angle transformation component also includes:

[0072] Connecting member 5, two connecting members 5 are provided, and the two connecting members 5 are respectively fixedly connected to the outsides of the two rotating shafts 401, and the right connecting member 5 is provided with two limiting holes, and the left end of the limiting pin 601 passes through a limiting hole at the top;

[0073] A first gripping member 501, which is fixedly connected to the bottom of the right connecting member 5;

[0074] The second gripping piece 502 is fixedly connected to the bottom of the left connecting piece 5, and the first gripping piece 501 is inserted inside the second gripping piece 502, so that the limiting pin 601 will be disengaged from the limiting hole at the top of the connecting piece 5 after being retracted into the limiting box 6. Then, the first gripping piece 501 or the second gripping piece 502 can be flipped by hand to flip the two connecting pieces 5 together with the automobile parts clamped inside. After flipping 180 degrees, the shifting plate 602 is released, and the left end of the limiting pin 601 passes through another limiting hole of the right connecting piece 5 to complete the fixation of the two connecting pieces 5 and the automobile parts.

[0075] The specific usage and function of this embodiment are as follows:

[0076] By turning the hand wheel 3, the two support plates 4 are driven to move inward at the same time through the threaded transmission mechanism composed of the left and right ends of the bidirectional lead screw 301 and the two sliders 201, so that the automobile parts can be clamped. When the bottom of the automobile parts needs to be welded, the dial plate 602 is pushed to the right, which can drive the limit pin 601 to be recovered into the limit box 6, and the limit pin 601 is separated from the limit hole at the top of the connecting member 5. Then, the first holding member 501 or the second holding member 502 is flipped by hand, so that the two connecting members 5 together with the automobile parts clamped therein can be flipped. After flipping 180 degrees, the dial plate 602 is released. Under the action of the resistance spring 603, the left end of the limit pin 601 passes through the other limit hole of the right connecting member 5, and the fixation of the two connecting members 5 and the automobile parts is completed. Then, the bottom of the automobile parts can be flipped to the top, which is convenient for welding operations.

[0077] Embodiment 2:

[0078] Based on the first embodiment, as shown in the attached Figure 1 To Attachment Figure 5 As shown, a rotating component is also included, and the rotating component is arranged inside the supporting platform 1.

[0079] The rotating assembly includes:

[0080] A foot pedal 7, the foot pedal 7 is slidably connected to the front bottom of the support platform 1;

[0081] A transmission rack 701, the transmission rack 701 is fixedly connected to the back of the foot pedal 7;

[0082] A return spring 702, the top of which is fixedly connected to the bottom of the transmission rack 701, and the bottom of which is fixedly connected to the inside of the support platform 1;

[0083] The transmission gear 8 is rotatably connected to the inside of the support platform 1, and the transmission gear 8 is meshed with the transmission rack 701. The effect is that when the foot pedal 7 is stepped down, the transmission gear 8 rotates under the action of the gear rack transmission mechanism formed by the meshing of the transmission gear 8 and the transmission rack 701. When the foot pedal 7 is released, the transmission rack 701 returns to its original position under the action of the reset spring 702, and the transmission gear 8 reverses.

[0084] The rotating assembly also includes:

[0085] A transmission ratchet 801, which is coaxially fixedly connected to the rear of the transmission gear 8;

[0086] A first transmission shaft 9, the first transmission shaft 9 is rotatably connected to the inside of the support platform 1;

[0087] The transmission pawl 901 is coaxially fixedly connected to the front end of the first transmission shaft 9, and the transmission pawl 901 is engaged with the transmission ratchet 801. The effect is that under the action of the ratchet and pawl transmission mechanism formed by the engagement of the transmission pawl 901 and the transmission ratchet 801, the transmission rack 701 will drive the first transmission shaft 9 to rotate when it moves downward, and the first transmission shaft 9 will not rotate when the transmission rack 701 moves upward.

[0088] The rotating assembly also includes:

[0089] A transmission worm 902, which is coaxially fixedly connected to the rear end of the first transmission shaft 9;

[0090] A second transmission shaft 1001, the second transmission shaft 1001 is coaxially fixedly connected below the connecting shaft 10;

[0091] The transmission worm wheel 1002 is coaxially fixedly connected to the outside of the second transmission shaft 1001, and the transmission worm wheel 1002 is meshed with the transmission worm 902. The effect is that when the first transmission shaft 9 rotates, the worm gear transmission mechanism formed by the meshing of the transmission worm wheel 1002 and the transmission worm 902 will drive the second transmission shaft 1001, the connecting shaft 10 and the operating table 2 to rotate.

[0092] The specific usage and function of this embodiment are as follows:

[0093] When the back of the automobile parts needs to be processed and welded, the foot pedal 7 is stepped down. Under the action of the gear rack transmission mechanism composed of the meshing of the transmission gear 8 and the transmission rack 701, the transmission gear 8 rotates. Under the action of the ratchet and pawl transmission mechanism composed of the meshing of the transmission pawl 901 and the transmission ratchet 801, when the transmission rack 701 moves downward, it will drive the first transmission shaft 9 to rotate. When the first transmission shaft 9 rotates, it will drive the second transmission shaft 1001 and the connecting shaft 10 and the operating table 2 to rotate through the worm gear transmission mechanism composed of the meshing of the transmission worm wheel 1002 and the transmission worm 902, so that the back of the automobile parts faces the welding staff; release the foot pedal 7, under the action of the reset spring 702, the transmission rack 701 returns to its position, the transmission gear 8 reverses, and under the action of the ratchet and pawl transmission mechanism composed of the meshing of the transmission pawl 901 and the transmission ratchet 801, when the transmission rack 701 moves upward, the first transmission shaft 9 will not rotate, so that the operating table 2 is kept in the current position.

Claims

1. A welding fixture for automobile parts, comprising a support platform, a connecting shaft, an operating table, a hand wheel, a support plate, a rotating shaft, a clamping block, a limit box, an angle conversion component and a rotating component; characterized in that: The connecting shaft is rotatably connected to the top of the support platform; the operating platform is coaxially fixedly connected to the connecting shaft; the hand wheel is rotatably connected to the right side of the operating platform; the support plates are provided in two pieces, and the two support plates are dispersedly provided on the operating platform; the rotating shafts are provided in two pieces, and the two rotating shafts are rotatably connected to the inner sides of the tops of the two support plates respectively; the clamping blocks are provided in two pieces, and the two rotating shafts are respectively fixedly connected to the inner sides of the two rotating shafts; the limit box is fixedly connected to the top of the support plate on the right side; the angle conversion component is provided above the operating platform; the rotating component is provided inside the support platform.

2. The automobile parts welding fixture according to claim 1, characterized in that: The angle conversion assembly includes: a slider and a bidirectional lead screw; two sliders are provided, the two sliders are discretely slidably connected inside the operating table, and the two sliders are respectively fixedly connected to two support plates; the bidirectional lead screw is coaxially fixedly connected to the left side of the handwheel, and the left and right ends of the bidirectional lead screw are respectively threadedly connected to the two sliders.

3. The automobile parts welding fixture according to claim 2, characterized in that: The angle conversion assembly also includes: a limit pin, a shift plate and a resistance spring; the limit pin is slidably connected inside the limit box; the shift plate is fixedly connected to the right side of the limit pin; the left end of the resistance spring is fixedly connected to the right side of the shift plate, and the right end of the resistance spring is fixedly connected to the inside of the limit box.

4. The automobile parts welding fixture according to claim 3, characterized in that: The angle conversion component also includes: a connecting piece, a first gripping piece and a second gripping piece; two connecting pieces are provided, and the two connecting pieces are respectively fixedly connected to the outer sides of the two rotating shafts, and the connecting piece on the right side is provided with two limiting holes, and the left end of the limiting pin passes through a limiting hole on the top; the first gripping piece is fixedly connected to the bottom of the connecting piece on the right side; the second gripping piece is fixedly connected to the bottom of the connecting piece on the left side, and the first gripping piece is inserted into the inner side of the second gripping piece.

5. The automobile parts welding fixture according to any one of claims 1 to 4, characterized in that: The rotating assembly includes: a foot pedal, a transmission rack, a return spring and a transmission gear; the foot pedal is slidably connected to the front of the bottom of the support platform; the transmission rack is fixedly connected to the back of the foot pedal; the top of the return spring is fixedly connected to the bottom of the transmission rack, and the bottom of the return spring is fixedly connected to the inside of the support platform; the transmission gear is rotatably connected to the inside of the support platform, and the transmission gear is meshed with the transmission rack.

6. The automobile parts welding fixture according to claim 5, characterized in that: The rotating assembly also includes: a transmission ratchet, a first transmission shaft and a transmission pawl; the transmission ratchet is coaxially fixedly connected behind the transmission gear; the first transmission shaft is rotatably connected inside the support platform; the transmission pawl is coaxially fixedly connected to the front end of the first transmission shaft, and the transmission pawl is meshed with the transmission ratchet.

7. The automobile parts welding fixture according to claim 6, characterized in that: The rotating assembly also includes: a transmission worm, a second transmission shaft and a transmission worm wheel; the transmission worm is coaxially fixedly connected to the rear end of the first transmission shaft; the second transmission shaft is coaxially fixedly connected under the connecting shaft; the transmission worm wheel is coaxially fixedly connected to the outside of the second transmission shaft, and the transmission worm wheel is meshed with the transmission worm.

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