Clamping device for automobile A column welding

Abstract

The utility model relates to the field of A column welding, in particular to a clamping device for automobile A column welding. Comprising a support, the upper end of the support is fixedly connected with a table top, the upper surface of the table top is provided with a clamping structure, the clamping structure comprises two connecting strips, the two connecting strips are fixedly connected with the table top, the surfaces of the connecting strips are slidably connected with a sliding frame, and the upper surface of the sliding frame is fixedly connected with a sliding column. A fixed frame is fixedly connected to the surface of the sliding column, a sliding block is slidably connected to the surface of the sliding column, a mounting plate is fixedly connected to the upper surface of the table top, clamping plates are fixedly connected to the sides, close to the mounting plate, of the sliding block and the fixed frame, and a movable plate is fixedly connected to the side, away from the mounting plate, of the sliding frame. The clamping device for welding the automobile A column has the advantages that the A column can be clamped and then welded and fixed, the welding position can be adjusted, and convenience is brought to welding personnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of A column welding, especially to a clamping device for automobile A column welding. BACKGROUND

[0002] The A column welding platform is composed of a support and a table top, and is used for welding the A column of an automobile, and is commonly seen in daily life.

[0003] The prior art such as the utility model with announcement number CN217991407U discloses a stand column welding equipment for A column edge welding, which adopts an L-shaped operation table, a moving mechanism and a spot welding mechanism are arranged above the L-shaped operation table, a wedge-shaped groove one is formed in the top surface of the lower end of the L-shaped operation table, and a motor one is fixedly installed on the right surface of the lower end of the L-shaped operation table. By controlling the motor one, the threaded rod one starts to rotate, the wedge-shaped block one can move left and right in the wedge-shaped groove one, and the parts on the top surface of the placement plate can be moved left and right to adjust the spot welding position; by controlling the motor two, the threaded rod two starts to rotate, the wedge-shaped block two can move forward and backward in the wedge-shaped groove two, and the parts on the top surface of the placement plate can be moved forward and backward to adjust the spot welding position; by controlling the motor three, the gear two connected with the gear one through the belt rotates, the gear three connected with the gear two also rotates, the gear three drives the rack to move up and down, and the spot welding machine below the rack can move up and down to work.

[0004] In daily life, it is found that the A column is directly placed on the table top for welding in the prior art, but there is no fixture for auxiliary positioning, the A column will deviate during the welding process, the welding joint position is not accurate, the overall precision of the vehicle body is affected, and even the vehicle body is twisted or deformed. In the long run, such errors will reduce the assembly precision of the vehicle, affect the cooperation and sealing performance of the door, window frame and other components, and during the welding process, the metal parts will expand and contract due to heat input and local heating. The A column is not fully clamped and supported, and will be deformed due to the thermal stress and shrinkage force generated during the welding process. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a clamping device for automobile A column welding.

[0006] The utility model provides a kind of clamping device for automobile A column welding to solve the above technical problems, it include: support, the upper end of the support is fixedly connected with mesa, the upper surface of the mesa is equipped with clamping structure, the clamping structure includes two connecting strips, two The connecting strip is fixedly connected with mesa, the surface of the connecting strip is slidably connected with sliding frame, the upper surface of the sliding frame is fixedly connected with slide post, the surface of the slide post is fixedly connected with fixed frame, the surface of the slide post is slidably connected with sliding block, the upper surface of the mesa is fixedly connected with mounting plate, the side of the sliding block and fixed frame close mounting plate is fixedly connected with clamping plate, the side of the sliding frame away from mounting plate is fixedly connected with moving plate, the upper surface of the moving plate is fixedly connected with two fixed rods, the end of two The fixed rod is fixedly connected with servo motor mutually close, the output of the servo motor is fixedly connected with screw rod, the upper end of the screw rod is rotatably connected with connecting block, the connecting block is fixedly connected with slide post, the arc surface of the screw rod is threadedly connected with fixed block, the fixed block is fixedly connected with sliding block, the side of two The sliding frame mutually close is fixedly connected with link plate, the side of the mounting plate close link plate is rotatably connected with screw rod, the link plate is threadedly connected with screw rod, the end of the screw rod away from mounting plate is fixedly connected with rotary table.

[0007] The effect achieved by the above components is that when welding the automobile A column, the two sections of the automobile A column are placed on both sides, then the two A columns are spliced in the middle, after moving to the appropriate position, the servo motor is started to operate, the servo motor drives the screw rod to move, the screw rod drives the fixed block to move, the fixed block drives the sliding block to move, the sliding block slides on the surface of the slide post, the sliding block drives the clamping plate to clamp and fix the A column, then the A column position needs to be adjusted for welding, the rotary table is rotated to move, the rotary table drives the screw rod to rotate, the screw rod drives the link plate to move, the link plate drives the sliding frame to slide on the surface of the connecting strip, and the A column is welded after moving to the appropriate position.

[0008] Preferably, the arc surface of the rotary table is fixedly connected with a plurality of clamping pads, and the plurality of clamping pads are evenly distributed on the rotary table.

[0009] The effect achieved by the above components is that the clamping pads can increase the friction between the rotary table and the hand, preventing sliding when rotating the rotary table.

[0010] Preferably, the two sides of the slide post are fixedly connected with limit rods, and the limit rods are slidably connected with the sliding block.

[0011] The effect achieved by the above components is that the limit rods can limit the sliding block, preventing deviation when the sliding block slides on the surface of the slide post, improving the stability of the sliding block sliding.

[0012] Preferably, the fixed rod is a stainless steel rod.

[0013] The effect achieved by the above-mentioned component is that the stainless steel material can increase the service life of the fixed rod and avoid rusting of the fixed rod during use.

[0014] Preferably, the inner wall of the connecting plate is provided with a cleaning structure, the cleaning structure comprises two sliding grooves, the two sliding grooves are formed in the connecting plate, the inner wall of the sliding groove is slidably connected with an auxiliary block, the lower end of the auxiliary block is fixedly connected with a magnetic block, the upper surface of the connecting plate is slidably connected with two insertion rods, and the insertion rod is slidably connected with the auxiliary block.

[0015] The effect achieved by the above-mentioned component is that when the table top needs to be cleaned, the magnetic block is pulled to move, the magnetic block drives the auxiliary block to move, then the auxiliary block is aligned with the sliding groove, and then the auxiliary block is inserted into the sliding groove, after the auxiliary block moves to the appropriate position, the insertion rod is pulled to move, then the insertion rod is aligned with the auxiliary block and the connecting plate, and then the insertion rod is inserted and fixed, the connecting plate drives the magnetic block to move when moving, and the magnetic block adsorbs the welding slag.

[0016] Preferably, the arc surface of the insertion rod is sleeved with a spring, and the two ends of the spring are fixedly connected with the insertion rod and the connecting plate, respectively.

[0017] The effect achieved by the above-mentioned component is that when the auxiliary block needs to be inserted, the insertion rod is pulled to stretch the spring, then the auxiliary block is inserted into the sliding groove, and after moving to the appropriate position, the insertion rod spring is released to contract to drive the insertion rod to be inserted and fixed.

[0018] Preferably, the two insertion rods are fixedly connected with a handle bar on the side close to each other, and the cross section of the handle bar is circular.

[0019] The effect achieved by the above-mentioned component is that when the insertion rod needs to be pulled to move, the handle bar can be directly pulled, the handle bar drives the insertion rod to move, and the handle bar makes it more convenient to move the insertion rod.

[0020] Compared with the related art, the clamping device for automobile A column welding has the following beneficial effects:

[0021] The utility model provides a kind of clamping device for automobile A column welding, by setting clamping structure, all direct A column is placed in the welding of prior art on mesa, but there is no fixture auxiliary positioning, A column will deviate in the welding process, lead to inaccurate welding joint position, affect the overall accuracy of vehicle body, even can cause the distortion or deformation of vehicle body. In the long run, this error will lead to the assembly accuracy of vehicle reduces, affect the cooperation and sealing property of door, window frame and other components, and in the welding process, due to heat input and local heating, metal parts will expand and shrink with heat. A column is not fully clamped support, will be deformed due to thermal stress and shrinkage force generated in the welding process, reach the effect that A column can be clamped, then welding is fixed, and welding personnel can be provided with the convenience of adjusting welding position.

[0022] By setting cleaning structure, reached when moving the link plate, the link plate can drive the magnetic block to adsorb and clean the welding slag, avoid welding slag long-term accumulation rust corrosion mesa. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a kind of clamping device for automobile A column welding structure schematic view;

[0024] Figure 2 For Figure 1 The clamping structure schematic view shown in;

[0025] Figure 3 For Figure 2 The enlarged view of A shown in;

[0026] Figure 4 For Figure 2 The partial structure schematic view shown in;

[0027] Figure 5 For Figure 1 The cleaning structure schematic view shown in.

[0028] Marked number in drawing: 1, support;2, mesa;3, clamping structure;301, connecting strip;302, link plate;303, screw;304, turntable;305, clamping pad;306, sliding column;307, connecting block;308, fixed block;309, screw;310, servo motor;311, fixed rod;312, sliding frame;313, sliding block;314, fixed frame;315, limit rod;316, clamping plate;317, moving plate;318, mounting plate;4, cleaning structure;41, handle;42, plug rod;43, spring;44, auxiliary block;45, magnetic block;46, sliding slot. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0030] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0031] Please refer to Figures 1 to 5 The utility model discloses a kind of clamping devices for automobile A column welding, comprising: support 1, the upper end of support 1 is fixedly connected with mesa 2, the upper surface of mesa 2 is equipped with clamping structure 3, the inner wall of link plate 302 is equipped with cleaning structure 4.

[0032] In the embodiment of the utility model, please refer to Figures 3 to 4The clamping structure 3 comprises two connecting strips 301 fixedly connected with the table top 2, the surface of the connecting strip 301 is slidingly connected with a sliding frame 312, the upper surface of the sliding frame 312 is fixedly connected with a sliding column 306, the surface of the sliding column 306 is fixedly connected with a fixed frame 314, the surface of the sliding column 306 is slidingly connected with a sliding block 313, the upper surface of the table top 2 is fixedly connected with a mounting plate 318, the side, close to the mounting plate 318, of the sliding block 313 and the fixed frame 314 is fixedly connected with a clamping plate 316, the side, away from the mounting plate 318, of the sliding frame 312 is fixedly connected with a moving plate 317, the upper surface of the moving plate 317 is fixedly connected with two fixed rods 311, one end of the two fixed rods 311, close to each other, is fixedly connected with a servo motor 310, the output end of the servo motor 310 is fixedly connected with a lead screw 309, the upper end of the lead screw 309 is rotatably connected with a connecting block 307, the connecting block 307 is fixedly connected with the sliding column 306, the curved surface of the lead screw 309 is threadedly connected with a fixed block 308, the fixed block 308 is fixedly connected with the sliding block 313, the side, close to each other, of the two sliding frames 312 is fixedly connected with a link plate 302, the side, close to the link plate 302, of the mounting plate 318 is rotatably connected with a screw rod 303, the link plate 302 is threadedly connected with the screw rod 303, one end of the screw rod 303, away from the mounting plate 318, is fixedly connected with a rotating disc 304. When the automobile A column needs to be welded, the two sections of the automobile A column are placed on the two sides respectively, and then the two A columns are spliced in the middle, after being moved to the appropriate position, the servo motor 310 is started to rotate, the servo motor 310 drives the lead screw 309 to move, the lead screw 309 drives the fixed block 308 to move, the fixed block 308 drives the sliding block 313 to move, the sliding block 313 slides on the surface of the sliding column 306, the sliding block 313 drives the clamping plate 316 to clamp and fix the A column, then the position of the A column needs to be adjusted for welding, the rotating disc 304 is rotated to move, the rotating disc 304 drives the screw rod 303 to rotate, the screw rod 303 drives the link plate 302 to move, the link plate 302 drives the sliding frame 312 to slide on the surface of the connecting strip 301, after being moved to the appropriate position, the A column is welded, the curved surface of the rotating disc 304 is fixedly connected with a plurality of clamping pads 305, the plurality of clamping pads 305 are evenly distributed on the rotating disc 304. The clamping pads 305 can increase the friction between the rotating disc 304 and the hand, to avoid sliding when the rotating disc 304 is rotated, the two sides of the sliding column 306 are fixedly connected with limiting rods 315, the limiting rods 315 are slidingly connected with the sliding block 313. The limiting rods 315 can limit the sliding block 313, to avoid deviation of the sliding block 313 when sliding on the surface of the sliding column 306, thereby improving the stability of the sliding of the sliding block 313, the cross section of the fixed rod 311 is in "L" shape, and the fixed rod 311 is a stainless steel rod. The stainless steel material can increase the service life of the fixed rod 311, to avoid rusting of the fixed rod 311 when in use;

[0033] In the embodiment of the utility model, please refer to Figure 1 And Figure 5 , the cleaning structure 4 includes two chutes 46, the two chutes 46 are opened in the connecting plate 302, the inner wall of the chute 46 is slidably connected with the auxiliary block 44, the lower end of the auxiliary block 44 is fixedly connected with the magnetic block 45, the upper surface of the connecting plate 302 is slidably connected with two insertion rods 42, the insertion rod 42 is slidably connected with the auxiliary block 44. When it is needed to clean the table top 2, the magnetic block 45 is pulled to move, the magnetic block 45 drives the auxiliary block 44 to move, then the auxiliary block 44 is aligned with the chute 46, then the auxiliary block 44 is inserted into the chute 46, after the auxiliary block 44 moves to the appropriate position, the insertion rod 42 is pulled to move, then the insertion rod 42 is aligned with the auxiliary block 44 and the connecting plate 302, then the insertion rod 42 is inserted to be fixed, the connecting plate 302 drives the magnetic block 45 to move when moving, the magnetic block 45 adsorbs the slag, the arc surface of the insertion rod 42 is sleeved with the spring 43, the two ends of the spring 43 are fixedly connected with the insertion rod 42 and the connecting plate 302 respectively. When it is needed to load the auxiliary block 44, the insertion rod 42 is pulled to drive the spring 43 to stretch, then the auxiliary block 44 is inserted into the chute 46, after moving to the appropriate position, the insertion rod 42 spring 43 is loosened to contract to drive the insertion rod 42 to be inserted to be fixed, the two insertion rods 42 are fixedly connected with the handle 41 on the side close to each other. When it is needed to pull the insertion rod 42 to move, the handle 41 can be directly pulled, the handle 41 drives the insertion rod 42 to move, and the handle 41 makes the moving insertion rod 42 more convenient.

[0034] The working principle of the clamping device for automobile A column welding is as follows: when the automobile A column needs to be welded, the two sections of the automobile A column are placed on the two sides respectively, then the two A columns are spliced in the middle, after moving to the appropriate position, the servo motor 310 is started to rotate, the servo motor 310 drives the lead screw 309 to move, the lead screw 309 drives the fixed block 308 to move, the fixed block 308 drives the sliding block 313 to move, the sliding block 313 slides on the surface of the slide post 306, the sliding block 313 drives the clamping plate 316 to clamp and fix the A column, then the A column position needs to be adjusted for welding, the rotating disc 304 is rotated to move, the rotating disc 304 drives the screw rod 303 to rotate, the screw rod 303 drives the connecting plate 302 to move, the connecting plate 302 drives the sliding frame 312 to slide on the surface of the connecting strip 301, after moving to the appropriate position, the A column is welded, the clamping pad 305 can increase the friction between the rotating disc 304 and the hand, to avoid sliding when the rotating disc 304 is rotated, the limiting rod 315 can limit the sliding block 313, to avoid deviation when the sliding block 313 slides on the surface of the slide post 306, the stability of the sliding block 313 sliding is improved, the stainless steel material can increase the service life of the fixed rod 311, to avoid rusting of the fixed rod 311 when in use.

[0035] When the table 2 needs to be cleaned, the magnetic block 45 is pulled to move, the magnetic block 45 drives the auxiliary block 44 to move, then the auxiliary block 44 is aligned with the sliding groove 46, then the auxiliary block 44 is inserted into the sliding groove 46, after the auxiliary block 44 moves to the appropriate position, the insertion rod 42 is pulled to move, then the insertion rod 42 is aligned with the auxiliary block 44 and the connecting plate 302, then the insertion rod 42 is inserted to be fixed, the connecting plate 302 drives the magnetic block 45 to move when moving, the magnetic block 45 adsorbs the slag, when the auxiliary block 44 needs to be loaded, the insertion rod 42 is pulled to drive the spring 43 to stretch, then the auxiliary block 44 is inserted into the sliding groove 46, after moving to the appropriate position, the insertion rod 42 spring 43 is released to contract to drive the insertion rod 42 to be inserted and fixed, when the insertion rod 42 needs to be pulled to move, the handle rod 41 can be directly pulled, the handle rod 41 drives the insertion rod 42 to move, and the handle rod 41 makes the insertion rod 42 more convenient to move.

[0036] The circuit and the control involved in the utility model are prior art, and too much repetition is not performed here.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the utility model specification and drawing contents, or direct or indirect application in other related technical fields are also included in the patent protection range of the utility model.

Claims

1. A clamping device for welding automotive A-pillars, characterized in that, include: A bracket (1) is fixedly connected to a tabletop (2) at its upper end. A clamping structure (3) is provided on the upper surface of the tabletop (2). The clamping structure (3) includes two connecting strips (301). The two connecting strips (301) are fixedly connected to the tabletop (2). A sliding frame (312) is slidably connected to the surface of the connecting strips (301). A sliding column (306) is fixedly connected to the upper surface of the sliding frame (312). A fixed frame (314) is fixedly connected to the surface of the sliding column (306). A slider (313) is slidably connected to the surface of the sliding column (306). A mounting plate (318) is fixedly connected to the upper surface of the tabletop (2). A clamping plate (316) is fixedly connected to the side of the slider (313) and the fixed frame (314) near the mounting plate (318). A moving plate (317) is fixedly connected to the side of the sliding frame (312) away from the mounting plate (318). 17) has two fixed rods (311) fixedly connected to its upper surface. A servo motor (310) is fixedly connected to one end of the two fixed rods (311) that are close to each other. A lead screw (309) is fixedly connected to the output end of the servo motor (310). A connecting block (307) is rotatably connected to the upper end of the lead screw (309). The connecting block (307) is fixedly connected to the slide column (306). A fixed block (308) is threadedly connected to the arc surface of the lead screw (309). The fixed block (308) is fixedly connected to the slider (313). A connecting plate (302) is fixedly connected to one side of the two slide frames (312) that are close to each other. A screw (303) is rotatably connected to the side of the mounting plate (318) that is close to the connecting plate (302). The connecting plate (302) is threadedly connected to the screw (303). A turntable (304) is fixedly connected to the end of the screw (303) that is away from the mounting plate (318).

2. The clamping device for welding automotive A-pillars according to claim 1, characterized in that, The turntable (304) has several pads (305) fixedly connected to its arc surface, and the pads (305) are evenly distributed on the turntable (304).

3. The clamping device for welding automotive A-pillars according to claim 1, characterized in that, Limiting rods (315) are fixedly connected to both sides of the sliding column (306), and the limiting rods (315) are slidably connected to the slider (313).

4. The clamping device for welding automotive A-pillars according to claim 1, characterized in that, The cross-section of the fixing rod (311) is "L" shaped, and the fixing rod (311) is a stainless steel rod.

5. The clamping device for welding automotive A-pillars according to claim 1, characterized in that, The inner wall of the connecting plate (302) is provided with a cleaning structure (4), the cleaning structure (4) includes two sliding grooves (46), the two sliding grooves (46) are opened in the connecting plate (302), the inner wall of the sliding grooves (46) is slidably connected with an auxiliary block (44), the lower end of the auxiliary block (44) is fixedly connected with a magnetic block (45), and the upper surface of the connecting plate (302) is slidably connected with two insert rods (42), the insert rods (42) are slidably connected with the auxiliary block (44).

6. The clamping device for welding automotive A-pillars according to claim 5, characterized in that, The arc surface of the insertion rod (42) is fitted with a spring (43), and the two ends of the spring (43) are fixedly connected to the insertion rod (42) and the connecting plate (302) respectively.

7. A clamping device for welding automotive A-pillars according to claim 5, characterized in that, A handle (41) is fixedly connected to one side of the two inserts (42) that are close to each other. The handle (41) has a circular cross-section.

Images