Automobile beam grabbing and welding device for automobile production line

Abstract

The invention provides an automobile cross beam grabbing and welding device for an automobile production line. The supporting mechanism is arranged at the bottom of the mounting plate, the clamping mechanism is arranged at the bottom of the mounting plate, the welding mechanisms are arranged on the two sides of the mounting plate, and a pushing and rotating mechanism is arranged at the top of the mounting plate. According to the automobile beam grabbing and welding device for the automobile production line, the starting device starts to operate, the clamping mechanism can rapidly and accurately complete the clamping action, stable and enough clamping force can be provided, it is guaranteed that in the clamping, carrying and transferring processes, the situation that a beam shakes, slides off and the like is avoided, and during welding, the welding quality is guaranteed. The automatic welding and grabbing device has the advantages that errors during installation and butt joint between welding and grabbing are avoided, the problem of unstable welding quality is indirectly reduced, waiting time and production conflicts between equipment are avoided, and smoothness and coordination of a whole production line are improved.

Description

Technical Field

[0001] The invention relates to the field of automobile crossbeam grabbing and welding of automobile production lines, and in particular to an automobile crossbeam grabbing and welding device for automobile production lines. Background Art

[0002] In the field of modern automobile manufacturing, with the continuous increase in automobile production and increasingly stringent requirements of consumers for automobile quality, the efficient and precise operation of automobile production lines has become a key competitive advantage. As an important load-bearing component in the automobile body structure, the welding quality and production efficiency of automobile cross beams are directly related to the safety and stability of the entire vehicle.

[0003] With the advancement of science and technology, automation technology has gradually been introduced into the automobile production process. Some production lines use simple mechanical grippers to grab beams. In terms of welding, early automation simply mechanically copied the manual welding process, which greatly reduced the impact on workers' welding technology level and working status, and also alleviated the problem of workers' fatigue from long-term work.

[0004] However, the traditional welding equipment and grabbing device of the current automation technology are fixedly installed in fixed positions in the workshop, and there is extra idle space between the two devices. Once an error occurs in the relative fixed position between them, it will cause defects in the welding after the beam is grabbed. The docking process of the two devices is time-consuming, which makes it difficult to meet the needs of automobile manufacturers for efficient and flexible production, and reduces production efficiency.

[0005] Therefore, it is necessary to provide a kind of automobile crossbeam grabbing and welding device for automobile production line to solve the above-mentioned technical problems. Summary of the invention

[0006] The invention provides an automobile crossbeam grasping and welding device for an automobile production line, which solves the problem of lack of effective coordination mechanism between traditional welding equipment and the grasping device.

[0007] In order to solve the above technical problems, the present invention provides an automobile crossbeam grabbing and welding device for an automobile production line, comprising:

[0008] Mounting plate;

[0009] A supporting mechanism, the supporting mechanism being arranged at the bottom of the mounting plate;

[0010] The clamping mechanism is arranged at the bottom of the mounting plate, the clamping mechanism comprises a clamping mounting frame, the top of the clamping mounting frame is fixedly mounted on the bottom of the mounting plate, a clamping claw is slidably mounted in the slideway of the clamping mounting frame, a clamping push plate is fixedly and slidably mounted inside the clamping mounting frame, a push-pull rod is rotatably connected between the clamping push plate and the clamping claw through a swivel seat, a screw is fixedly mounted on the top of the clamping push plate, a gear is rotatably mounted on the top of the mounting plate, the gear and the screw are threadedly connected, a toothed plate is meshed and transmitted on the surface of the gear, a hydraulic cylinder is fixedly connected to one side of the toothed plate, and a surface of one side of the hydraulic cylinder is fixedly mounted on the top of the mounting plate;

[0011] The welding mechanism is arranged on both sides of the mounting plate.

[0012] Preferably, the welding mechanism includes a welding motor mounting plate, which is fixedly mounted on the two side surfaces of the mounting plate, a welding motor is fixedly mounted on the surface of the welding motor mounting plate, a welding gun mounting bracket is rotatably mounted on the output shaft of the welding motor through a swivel seat, a welding rotating motor is fixedly mounted on the surface of the welding gun mounting bracket, a welding gun is mounted on one end of the welding gun mounting bracket, a solder roll mounting plate is fixedly mounted on the bottom of the mounting plate, a solder roll is rotatably mounted on the surface of the solder roll mounting plate, a solder conveyor is fixedly mounted on the bottom of the mounting plate, a solder conveying motor is fixedly mounted on the surface of the solder conveyor, the material of the clamp is flexible material, and the opening and closing angle of the clamp is set to 20 to 120 degrees.

[0013] Preferably, the length of the tooth plate is adapted to the opening and closing angle of the clamping jaws of 20 degrees to 120 degrees.

[0014] Preferably, a supporting mechanism is provided at the bottom of the mounting plate, and the supporting mechanism includes a supporting base, a rotating motor is fixedly installed inside the supporting base, a lifting mounting shell is rotatably installed on the top of the supporting base, the output shaft of the rotating motor passes through the supporting base, the surface of the rotating motor output shaft is fixedly installed on the bottom of the lifting mounting shell, a telescopic hydraulic rod is fixedly installed on the bottom inner wall of the lifting mounting shell, a lifting column is slidably installed inside the lifting mounting shell, the bottom of the lifting column is fixedly installed on the top of the telescopic hydraulic rod, a swing rod is rotatably installed on one end of the lifting column, a steering motor is fixedly installed on the side surface of the lifting column, the surface of the steering motor output shaft is fixedly installed on the surface of the swing rod, a T-shaped fixing plate is rotatably installed on one end of the swing rod, and the surface of the T-shaped fixing plate is fixedly installed on one side surface of the mounting plate.

[0015] Preferably, a push-and-turn mechanism is provided on the top of the mounting plate, and the push-and-turn mechanism includes a movable mounting block, a connecting beam is slidably installed in the slideway of the movable mounting block, one end of the connecting beam is fixedly installed on the top of the tooth plate, a welding push rod is rotatably connected to the connecting beam and the welding motor mounting plate through a swivel seat, a track is fixedly installed on the top of the mounting plate, the surface of the movable mounting block is slidably installed on the surface of the track, a telescopic rod is slidably installed inside the tooth plate, the welding motor mounting plate and the mounting plate are rotatably connected with a pushing swivel seat, and one end of the telescopic rod is fixedly installed on the surface of the pushing swivel seat.

[0016] Preferably, a positioning ball is provided on the top of the mounting plate, which is adapted to the small ball positioning groove of the movable mounting block.

[0017] Preferably, the slide groove of the movable mounting block is adapted to the 90-degree flip angle of the welding motor mounting plate.

[0018] Preferably, the height and moving distance of the connecting beam are adapted to the rising height of the screw rod.

[0019] Compared with the related art, the automobile beam grabbing and welding device for automobile production line provided by the present invention has the following beneficial effects:

[0020] The present invention provides a vehicle beam grabbing and welding device for a vehicle production line. After the device is set at a fixed working position, the device is started to operate, and the clamping mechanism can quickly and accurately complete the clamping action, and can provide a stable and sufficient clamping force to ensure that the beam will not shake, slide, etc. during the clamping, handling and transportation process. During welding, errors in the installation and docking between welding and grabbing are avoided, which indirectly reduces the problem of unstable welding quality, avoids waiting time and production conflicts between equipment, and improves the fluency and coordination of the entire production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of a preferred embodiment of a vehicle crossbeam grabbing and welding device for a vehicle production line provided by the present invention;

[0022] Figure 2 for Figure 1 A schematic structural diagram of the clamping mechanism shown;

[0023] Figure 3 for Figure 1 The structural schematic diagram of the welding mechanism shown;

[0024] Figure 4 for Figure 1 A schematic diagram of the structure of the support mechanism shown;

[0025] Figure 5 for Figure 1 A partial cross-sectional schematic diagram of the support mechanism shown;

[0026] Figure 6 A schematic structural diagram of a second preferred embodiment of a vehicle crossbeam grabbing and welding device for a vehicle production line provided by the present invention;

[0027] Figure 7 for Figure 6 The structural schematic diagram of the push-turn mechanism shown;

[0028] Figure 8 It is an enlarged schematic diagram of the push-pull rod;

[0029] Fig. 9 The figure is a grasping welding state diagram of a grasping welding device for automobile cross beams used in automobile production lines. The numbers in the figure are: 1. Support mechanism, 101. Support base, 102. Lifting installation shell, 103. Lifting column, 104. Steering motor, 105. Swing rod, 106. T-shaped fixing plate, 107. Rotating motor, 108. Telescopic hydraulic rod, 2. Clamping mechanism, 201. Clamping installation frame, 202. Clamping push plate, 203. Clamping claw, 204. Push-pull rod, 205. Hydraulic cylinder, 206. Tooth plate, 207. Gear, 208. Screw, 3. Welding Connecting mechanism, 301, welding motor mounting plate, 302, welding motor, 303, welding gun, 304, welding gun mounting bracket, 305, solder conveyor, 306, solder conveying motor, 307, solder roll, 308, solder roll mounting plate, 309, welding rotating motor, 4, mounting plate, 5, push-turn mechanism, 501, mobile mounting block, 502, connecting beam, 503, telescopic rod, 504, welding push rod, 505, track, 506, push swivel seat. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0031] Please refer to Figure 1 , Figure 2 and Figure 3 , a car beam grabbing and welding device for a car production line includes:

[0032] Mounting plate 4;

[0033] A supporting mechanism 1, wherein the supporting mechanism 1 is arranged at the bottom of the mounting plate 4;

[0034] A clamping mechanism 2, wherein the clamping mechanism 2 is arranged at the bottom of the mounting plate 4, and the clamping mechanism 2 comprises a clamping mounting frame 201, the top of the clamping mounting frame 201 is fixedly mounted on the bottom of the mounting plate 4, a clamping claw 203 is slidably mounted in the slideway of the clamping mounting frame 201, a clamping push plate 202 is fixedly and slidably mounted inside the clamping mounting frame 201, a push-pull rod 204 is rotatably connected between the clamping push plate 202 and the clamping claw 203 through a swivel seat, a screw rod 208 is fixedly mounted on the top of the clamping push plate 202, a gear 207 is rotatably mounted on the top of the mounting plate 4, the gear 207 is threadedly connected to the screw rod 208, a tooth plate 206 is meshed and transmitted on the surface of the gear 207, a hydraulic cylinder 205 is fixedly connected to one side of the tooth plate 206, and one side surface of the hydraulic cylinder 205 is fixedly mounted on the top of the mounting plate 4;

[0035] The welding mechanism 3 is arranged on both sides of the mounting plate 4 .

[0036] The welding mechanism 3 includes a welding motor mounting plate 301, which is fixedly mounted on the two side surfaces of the mounting plate 4. A welding motor 302 is fixedly mounted on the surface of the welding motor mounting plate 301. A welding gun mounting frame 304 is rotatably mounted on the output shaft of the welding motor 302 through a swivel seat. A welding rotating motor 309 is fixedly mounted on the surface of the welding gun mounting frame 304. A welding gun 303 is sleeved on one end of the welding gun mounting frame 304. A solder roll mounting plate 308 is fixedly mounted on the bottom of the mounting plate 4. A solder roll 307 is rotatably mounted on the surface of the solder roll mounting plate 308. A solder conveyor 305 is fixedly mounted on the bottom of the mounting plate 4. A solder conveying motor 306 is fixedly mounted on the surface of the solder conveyor 305. The material of the clamp 203 is flexible material, and the opening and closing angle of the clamp 203 is set to 20 degrees to 120 degrees.

[0037] The length of the tooth plate 206 is adapted to the opening and closing angle of the clamping jaws 203 from 20 degrees to 120 degrees.

[0038] The welding is performed by gas shielded welding, and the welding gun 303 is connected to the shielding gas and the solder for welding;

[0039] The welding mechanism 3 can be rotated at a certain angle to weld beams at some tricky angles.

[0040] The working principle of the automobile crossbeam grabbing and welding device for automobile production line provided by the present invention is as follows:

[0041] After setting the device at a suitable position for beam grabbing and welding, start the device. First, the rotating motor 107 starts to start and rotate the device to a suitable working position. After determining the working position, the grabbing mechanism 2 moves the device as a whole downward close to the beam. At this time, the hydraulic cylinder 205 of the clamping mechanism 2 is actuated, so that the tooth plate 206 moves to engage the gear 207 for rotation, and further drives the screw 208 to move up and down, and the jaws 203 are opened and clamped by the push-pull rod 204. After clamping the beam, the rotating motor 107 rotates the beam and transports it to the welding area. The welding motor 302 and the welding rotating motor 309 of the welding mechanism 3 adjust the welding gun 303 to a suitable position to weld the beam. At the same time, the solder conveyor 305 continuously transports solder into the welding gun 303. After welding is completed, all mechanisms return to their original state.

[0042] Compared with the related art, the automobile beam grabbing and welding device for automobile production line provided by the present invention has the following beneficial effects:

[0043] After the device is placed in a suitable working position, the clamping mechanism 2 continuously moves the device close to the beam for grabbing, and then the beam is accurately welded under the coordinated action of the clamping mechanism 2 and the welding mechanism 3. There is no need to wait for the handover process of the equipment, which improves work efficiency, avoids the problem of unstable welding quality caused by the collaborative operation of different equipment, avoids waiting time and production conflicts between equipment, and improves the fluency and coordination of the entire production line.

[0044] Second embodiment

[0045] Please refer to Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 Based on the first embodiment of the present application, which provides a vehicle beam grabbing and welding device for a vehicle production line, the second embodiment of the present application provides another vehicle beam grabbing and welding device for a vehicle production line. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0046] Specifically, the second embodiment of the present application provides a vehicle beam grabbing and welding device for a vehicle production line. The difference is that a support mechanism 1 is provided at the bottom of the mounting plate 4, and the support mechanism 1 includes a support base 101, a rotating motor 107 is fixedly installed inside the support base 101, and a lifting installation shell 102 is rotatably installed on the top of the support base 101, and the output shaft of the rotating motor 107 passes through the support base 101, and the surface of the output shaft of the rotating motor 107 is fixedly installed on the bottom of the lifting installation shell 102, and the bottom inner wall of the lifting installation shell 102 is fixed. A telescopic hydraulic rod 108 is fixedly installed, and a lifting column 103 is slidably installed inside the lifting installation shell 102. The bottom of the lifting column 103 is fixedly installed on the top of the telescopic hydraulic rod 108. A swing rod 105 is rotatably installed on one end of the lifting column 103. A turning motor 104 is fixedly installed on the surface of one side of the lifting column 103. The surface of the output shaft of the turning motor 104 is fixedly installed on the surface of the swing rod 105. A T-shaped fixing plate 106 is rotatably installed on one end of the swing rod 105, and the surface of the T-shaped fixing plate 106 is fixedly installed on the surface of one side of the mounting plate 4. The top of the mounting plate 4 is provided with a push-turn mechanism 5, which includes a mobile mounting block 501, a connecting beam 502 is slidably installed in the slideway of the mobile mounting block 501, one end of the connecting beam 502 is fixedly installed on the top of the tooth plate 206, a welding push rod 504 is rotatably connected between the connecting beam 502 and the welding motor mounting plate 301 through a swivel seat, a track 505 is fixedly installed on the top of the mounting plate 4, the surface of the mobile mounting block 501 is slidably installed on the surface of the track 505, a telescopic rod 503 is slidably installed inside the tooth plate 206, the welding motor mounting plate 301 is rotatably connected with a push swivel seat 506, and one end of the telescopic rod 503 is fixedly installed on the surface of the push swivel seat 506. A positioning ball is provided on the top of the mounting plate 4, which is adapted to the small ball positioning groove of the mobile mounting block 501. The slideway of the mobile mounting block 501 is adapted to the 90-degree flip angle of the welding motor mounting plate 301. The height and the moving distance of the connecting beam 502 are adapted to the rising height of the screw rod 208 .

[0047] The clamping mechanism 2 and the welding mechanism 3 are respectively located at the top and the bottom of the device in the initial state, and the welding mechanism 3 is horizontally arranged in the initial state, and the clamping mechanism 2 is in a clamping state.

[0048] The working principle of the automobile crossbeam grabbing and welding device for automobile production line provided by the present invention is as follows:

[0049] First, place the device in the designated working area, start the device, rotate the rotating motor 107 to rotate the clamping mechanism 2 and the welding mechanism 3 of the device to the top of the beam, and the telescopic hydraulic rod 108 and the turning motor 104 start to move, so that the clamping mechanism 2 and the welding mechanism 3 gradually approach the beam. At the same time, the hydraulic cylinder 205 starts to start, driving the tooth plate 206 to engage the gear 207 for transmission. The movement of the tooth plate 206 also pushes the connecting beam 502. The connecting beam 502 drives the welding mechanism 3 to rotate 90 degrees vertically downward through the welding push rod 504. At the same time, the movement of the tooth plate 206 pushes the movable mounting block 501 to move to the welding position to weld the beam.

[0050] Compared with the related art, the automobile beam grabbing and welding device for automobile production line provided by the present invention has the following beneficial effects:

[0051] Under the action of the pushing and turning mechanism 5, the clamping mechanism 2 and the welding mechanism 3 operate simultaneously, and the welding operation of the beam is accurately positioned, which reduces the interaction error between machines and improves the stability of welding quality. At the same time, during the clamping process, the situation in which the welding mechanism 3 collides with the beam in the vertical state is eliminated.

[0052] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A car beam grabbing and welding device for a car production line, characterized in that: include Mounting plate; A supporting mechanism, the supporting mechanism being arranged at the bottom of the mounting plate; The clamping mechanism is arranged at the bottom of the mounting plate, the clamping mechanism comprises a clamping mounting frame, the top of the clamping mounting frame is fixedly mounted on the bottom of the mounting plate, a clamping claw is slidably mounted in the slideway of the clamping mounting frame, a clamping push plate is fixedly and slidably mounted inside the clamping mounting frame, a push-pull rod is rotatably connected between the clamping push plate and the clamping claw through a swivel seat, a screw is fixedly mounted on the top of the clamping push plate, a gear is rotatably mounted on the top of the mounting plate, the gear and the screw are threadedly connected, a toothed plate is meshed and transmitted on the surface of the gear, a hydraulic cylinder is fixedly connected to one side of the toothed plate, and a surface of one side of the hydraulic cylinder is fixedly mounted on the top of the mounting plate; The welding mechanism is arranged on both sides of the mounting plate.

2. The automobile beam grabbing and welding device for automobile production line according to claim 1 is characterized in that: The welding mechanism includes a welding motor mounting plate, which is fixedly mounted on the two side surfaces of the mounting plate, a welding motor is fixedly mounted on the surface of the welding motor mounting plate, a welding gun mounting frame is rotatably mounted on the output shaft of the welding motor through a swivel seat, a welding rotating motor is fixedly mounted on the surface of the welding gun mounting frame, a welding gun is sleeved on one end of the welding gun mounting frame, a solder roll mounting plate is fixedly mounted on the bottom of the mounting plate, a solder roll is rotatably mounted on the surface of the solder roll mounting plate, a solder conveyor is fixedly mounted on the bottom of the mounting plate, a solder conveying motor is fixedly mounted on the surface of the solder conveyor, the material of the clamp is flexible material, and the opening and closing angle of the clamp is set to 20 to 120 degrees.

3. The automobile beam grabbing and welding device for automobile production line according to claim 1 is characterized in that: The length of the tooth plate is adapted to the opening and closing angle of the clamping jaws from 20 degrees to 120 degrees.

4. The automobile beam grabbing and welding device for automobile production line according to claim 1, characterized in that: A supporting mechanism is provided at the bottom of the mounting plate, and the supporting mechanism includes a supporting base, a rotating motor is fixedly installed inside the supporting base, a lifting mounting shell is rotatably installed on the top of the supporting base, the output shaft of the rotating motor passes through the supporting base, the surface of the output shaft of the rotating motor is fixedly installed on the bottom of the lifting mounting shell, a telescopic hydraulic rod is fixedly installed on the bottom inner wall of the lifting mounting shell, a lifting column is slidably installed inside the lifting mounting shell, the bottom of the lifting column is fixedly installed on the top of the telescopic hydraulic rod, a swing rod is rotatably installed on one end of the lifting column, a steering motor is fixedly installed on the surface of one side of the lifting column, the surface of the output shaft of the steering motor is fixedly installed on the surface of the swing rod, a T-shaped fixing plate is rotatably installed on one end of the swing rod, and the surface of the T-shaped fixing plate is fixedly installed on the surface of one side of the mounting plate.

5. The automobile beam grabbing and welding device for automobile production line according to claim 1, characterized in that: The top of the mounting plate is provided with a push-and-turn mechanism, and the push-and-turn mechanism includes a movable mounting block, a connecting beam is slidably installed in the slideway of the movable mounting block, one end of the connecting beam is fixedly installed on the top of the tooth plate, a welding push rod is rotatably connected to the connecting beam and the welding motor mounting plate through a swivel seat, a track is fixedly installed on the top of the mounting plate, the surface of the movable mounting block is slidably installed on the surface of the track, a telescopic rod is slidably installed inside the tooth plate, the welding motor mounting plate and the mounting plate are rotatably connected with a pushing swivel seat, and one end of the telescopic rod is fixedly installed on the surface of the pushing swivel seat.

6. The automobile beam grabbing and welding device for automobile production line according to claim 5, characterized in that: A positioning ball is arranged on the top of the mounting plate, which is adapted to the small ball positioning groove of the movable mounting block.

7. The automobile beam grabbing and welding device for automobile production line according to claim 5, characterized in that: The slide groove of the movable mounting block is adapted to the 90-degree flip angle of the welding motor mounting plate.

8. The automobile beam grabbing and welding device for automobile production line according to claim 5, characterized in that: The height and the moving distance of the connecting beam are adapted to the rising height of the screw rod.

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