Part clamping device for vehicle body assembly

Abstract

The part clamping device comprises a mechanical arm, a rotating seat, a driving piece, a supporting frame, clamping jaws, suction cups and an air extracting pump, the rotating seat is installed at the end of the mechanical arm and drives the supporting frame to rotate to adjust the clamping angle, the multiple transversely-arranged suction cups are fixed to one end of the supporting frame, and the upper clamping jaw and the lower clamping jaw are hinged to the other end of the supporting frame. The clamping jaw is connected with the movable plate through the connecting rod, the movable plate is driven by the lead screw to move front and back so that opening and closing of the clamping jaw can be adjusted, the suction cup is connected with the suction pump through the air connecting pipe, large-size or irregular-shape parts are sucked through negative pressure, and the combined clamping mode of the clamping jaw and the suction cup adapts to vehicle body parts of different specifications. The clamping stability and the assembling efficiency are improved, a limiting screw is matched with an annular groove to prevent axial displacement of the rotating motor, the supporting frame is made of a high-strength aluminum alloy material to guarantee rigidity and light weight, the mounting convenience of the suction cup is improved through a quick-plug connector, and the adaptability of the clamping device is improved through the overall structure optimization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to vehicle assembly technical field, concretely relates to a spare part clamping device for body assembly. BACKGROUND

[0002] Body assembly is a crucial link in the automobile manufacturing process, wherein the accurate installation of various types of spare parts directly affects the assembly precision and quality of the whole vehicle. Traditional body spare part installation usually relies on manual operation or simple mechanical clamps, however, due to the wide variety of automobile spare parts, complex shapes, and the fact that some spare parts are large in size or special in material, a single clamping method cannot meet the installation needs of all spare parts. Therefore, in order to improve assembly efficiency and ensure installation quality, developing a body spare part clamping device that can adapt to different shapes and sizes has become a technical problem to be solved.

[0003] The existing clamping device mainly uses a clamping jaw mechanism for clamping, which usually relies on a motor to drive a lead screw to close the clamping jaw and fix the spare part between the clamping jaws. However, when the spare part is large in size or has an irregular surface shape, the traditional clamping jaw cannot provide stable clamping force and may even damage the spare part. In addition, in the actual assembly process, the installation direction and angle of the spare part may need to be adjusted, but the existing clamping device generally lacks flexible angle adjustment function, which limits the installation process and reduces the efficiency and accuracy of assembly. SUMMARY

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a spare part clamping device for body assembly, which can realize compatibility with different spare part shapes, have multiple clamping modes, and adjust the clamping angle, so as to improve the efficiency and accuracy of body assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A spare part clamping device for body assembly, comprising a mechanical arm and a suction pump, the end head part of the mechanical arm is sequentially provided with a rotating seat, a driving member and a support frame, one end of the support frame is fixedly sleeved on the outer side of the driving member, the rotating seat drives the driving member and the support frame to rotate, the end of the support frame away from the driving member is fixed with a plurality of horizontally arranged suction cups, one end of the plurality of suction cups is connected with the suction pump through a gas connection pipe;

[0007] The end of the support frame away from the driving member is also hinged with two oppositely arranged clamping jaws, the inner side of the support frame is provided with a movable plate, the upper and lower ends of the movable plate are respectively hinged with two connecting rods, one end of the connecting rod is hinged with the clamping jaw, and the driving member drives the movable plate to move and adjust in the front and back directions.

[0008] Further, the support frame comprises a mounting sleeve sleeved on the driving member, and a locking screw is externally screwed on the mounting sleeve and tightly locked on the outside of the driving member.

[0009] Further, the front side of the mounting sleeve is provided with a transverse support plate, and the mounting sleeve is fixedly connected with the support plate through left and right two support rods.

[0010] Further, a fixing cover is fixedly sleeved on the end of the suction cup away from the opening, the outside of the fixing cover is fixed on the support plate through a fixing block and a screw, the rear end of the suction cup is fixedly provided with a connecting pipe, and the connecting pipe penetrates through the fixing cover and the support plate and is connected with the air connecting pipe.

[0011] Further, the driving member comprises a rotating motor, a screw rod is fixed on one end of the output shaft of the rotating motor and penetrates through the movable plate, a connecting sleeve is fixed on the end of the rotating motor away from the screw rod, and an annular groove is formed in the outside of the rotating motor.

[0012] Further, one side of the rotating seat is fixedly provided with a guide sleeve sleeved on the rotating motor, the inside of the rotating seat is fixedly provided with a motor rotatably connected with the connecting sleeve, the outside of the guide sleeve is externally screwed with a limiting screw, and the end of the limiting screw is fixedly provided with a ball head clamped in the annular groove.

[0013] Compared with the prior art, the car body assembling part clamping device has the advantages that:

[0014] The car body assembling part clamping device has the advantages that:

[0015] The car body assembling part clamping device has the advantages that:

[0016] The utility model discloses a rotating adjusting structure of support frame and rotary seat, the angle of clamping device can be adjusted flexibly. The support frame is driven to rotate through the rotary seat, and the angle of the clamping jaw or the suction cup can be adjusted according to the specific installation requirement of the part, so that the adaptability of the device to different installation conditions is improved. Meanwhile, the support frame adopts high-strength aluminum alloy material, which not only ensures the rigidity of the overall structure, but also effectively reduces the weight of the equipment, so that the mechanical arm can operate the clamping device more flexibly, and the overall assembly efficiency is improved.

[0017] The utility model discloses a rotating adjusting structure of support frame and rotary seat, the angle of clamping device can be adjusted flexibly. The support frame is driven to rotate through the rotary seat, and the angle of the clamping jaw or the suction cup can be adjusted according to the specific installation requirement of the part, so that the adaptability of the device to different installation conditions is improved. Meanwhile, the support frame adopts high-strength aluminum alloy material, which not only ensures the rigidity of the overall structure, but also effectively reduces the weight of the equipment, so that the mechanical arm can operate the clamping device more flexibly, and the overall assembly efficiency is improved.

[0018] The utility model discloses a rotating adjusting structure of support frame and rotary seat, the angle of clamping device can be adjusted flexibly. The support frame is driven to rotate through the rotary seat, and the angle of the clamping jaw or the suction cup can be adjusted according to the specific installation requirement of the part, so that the adaptability of the device to different installation conditions is improved. Meanwhile, the support frame adopts high-strength aluminum alloy material, which not only ensures the rigidity of the overall structure, but also effectively reduces the weight of the equipment, so that the mechanical arm can operate the clamping device more flexibly, and the overall assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is overall structure schematic diagram of the utility model;

[0020] Figure 2 It is local structure schematic diagram of the utility model;

[0021] Figure 3 It is support frame schematic diagram of the utility model;

[0022] Figure 4 It is suction cup schematic diagram of the utility model;

[0023] Figure 5 It is drive part schematic diagram of the utility model;

[0024] Figure 6 It is rotary seat schematic diagram of the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 1, mechanical arm; 2, rotating seat; 21, guide sleeve; 22, ball head; 23, limit screw; 3, driving part; 31, screw rod; 32, rotating motor; 33, annular groove; 34, connecting sleeve; 4, support frame; 41, support plate; 42, support rod; 43, mounting sleeve; 44, locking screw; 5, suction cup; 51, fixed block; 52, fixed cover; 53, connecting pipe; 6, clamping jaw; 7, connecting rod; 8, movable plate; 9, air connection pipe. DETAILED DESCRIPTION

[0027] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0028] As Figure 1 and Figure 2 shown, a kind of body assembly parts clamping device, including mechanical arm 1 and air pump, the end head part of mechanical arm 1 is sequentially provided with rotating seat 2, driving part 3 and support frame 4;Rotating seat 2 is rotated by the motor in the inside driving part 3 and support frame 4 are adjusted, to adapt to different clamping angles;The end of support frame 4 is fixedly sleeved on the outside of driving part 3, and the material of support frame 4 selects high-strength aluminum alloy, to reduce the overall weight while ensuring enough structural strength;The bottom of rotating seat 2 is provided with high-precision bearing, to ensure that driving part 3 and support frame 4 run stably in the rotating process, avoid clamping angle deviation;Support frame 4 is fixed with multiple transversely arranged suction cups 5 at the end away from driving part 3, and suction cup 5 adopts high-temperature-resistant silica gel material, can maintain strong adsorption capacity under various complex environments;The end of multiple suction cups 5 is connected with air pump by high-pressure-resistant air connection pipe 9, and the inner diameter of air connection pipe 9 is set as 10mm, to ensure that suction cup 5 can form stable negative pressure quickly in the air extraction process;Air pump adopts high-speed turbine pump with rated power of 150W, can reach-60kPa adsorption force within 0.5 seconds, ensure the stable clamping of larger volume parts.

[0029] As Figure 1 and Figure 2As shown, the support frame 4 is also hinged with two oppositely arranged clamping jaws 6 at the end away from the driving member 3, the clamping jaws 6 are made of high-hardness alloy steel, and are covered with anti-skid rubber layer on the clamping surface to enhance the clamping stability and reduce the surface damage of the parts; the clamping width of the clamping jaw 6 can be adjusted within the range of 30mm to 150mm to adapt to different specifications of the vehicle body parts; the inner side of the support frame 4 is provided with a movable plate 8, the upper and lower ends of the movable plate 8 are respectively hinged with two connecting rods 7, the connecting rods 7 are made of carbon steel material and are subjected to surface galvanizing treatment to prevent corrosion and wear caused by long-term use; one end of the connecting rod 7 is hinged with the clamping jaw 6, and the connecting rod 7 is connected with the clamping jaw 6 through a high-strength pin shaft to ensure uniform stress during clamping; the driving member 3 drives the movable plate 8 to move in the front and back direction for adjustment, and the moving stroke of the movable plate 8 is 50mm to provide sufficient clamping adjustment range so that the clamping jaw 6 can firmly clamp different shaped parts.

[0030] As shown in Figure 3 The support frame 4 includes a mounting sleeve 43 fitted on the driving member 3, the mounting sleeve 43 is made of high-strength carbon steel and is subjected to anodic oxidation treatment to enhance corrosion resistance; the outer side of the mounting sleeve 43 is threadedly installed with a locking screw 44 tightly fitted on the outer side of the driving member 3, the locking screw 44 has a diameter of M8 and is made of high-strength stainless steel to ensure locking reliability; the front side of the mounting sleeve 43 is provided with a transverse support plate 41, the thickness of the support plate 41 is 5mm, which can provide sufficient rigid support to prevent deformation during clamping; the mounting sleeve 43 is fixedly connected with the support plate 41 through two support rods 42 with a diameter of 12mm, the support rods 42 are made of alloy steel and are subjected to precision turning to ensure support stability and reduce the possibility of structural looseness.

[0031] As shown in Figure 4 The suction cup 5 is fixedly fitted with a fixed cover 52 at the end away from the opening, the fixed cover 52 is made of ABS engineering plastic and is filled with soundproof foam inside to reduce noise generated during air suction; the outer side of the fixed cover 52 is fixed on the support plate 41 through a fixed block 51 cooperating with a M6 screw, the fixed block 51 is made of aluminum alloy and is subjected to CNC precision machining to ensure installation stability; the rear end of the suction cup 5 is fixed with a connecting pipe 53, the connecting pipe 53 is made of high-temperature resistant silicone rubber material and can withstand a working environment of-40℃ to 150℃ to ensure that it will not age during long-term use; the connecting pipe 53 is connected with the air connection pipe 9 by penetrating the fixed cover 52 and the support plate 41, and a quick connector is used at the connection between the connecting pipe 53 and the air connection pipe 9 to improve assembly efficiency and ensure sealing.

[0032] As shown in Figure 5As shown, the driving member 3 includes a rotating motor 32, which is a 24V DC brushless motor with a rated power of 100W and an output speed of 3000rpm, capable of providing stable power output; one end of the output shaft of the rotating motor 32 is fixed with a screw rod 31 penetrating through the movable plate 8, the screw rod 31 is a T8 ball screw and is subjected to high-precision grinding treatment to reduce friction and improve transmission efficiency; the pitch of the screw rod 31 is set to 2mm to ensure the movement accuracy of the movable plate 8; one end of the rotating motor 32 away from the screw rod 31 is fixed with a connecting sleeve 34 made of high-strength alloy steel and subjected to heat treatment to improve wear resistance and fatigue strength; the outer side of the rotating motor 32 is provided with an annular groove 33 with a width of 5mm, which is used in cooperation with the ball head 22 of the limiting screw 23 to prevent the rotating motor 32 from being axially displaced during operation.

[0033] As shown in the figure, Figure 6 One side of the rotating seat 2 is fixed with a guide sleeve 21 fitted with the rotating motor 32, the guide sleeve 21 is made of POM engineering plastic and is subjected to precise injection molding to provide good sliding performance and reduce wear; the inner side of the rotating seat 2 is fixed with a motor rotatably connected with the connecting sleeve 34, the motor has a rated power of 50W and an output speed of 2000rpm, capable of providing stable rotary power during clamping; the outer side of the guide sleeve 21 is screw-mounted with a limiting screw 23 made of M5 stainless steel and subjected to rust-proof treatment to improve durability; the end of the limiting screw 23 is fixed with a ball head 22 clamped in the annular groove 33, the ball head 22 is made of high-strength bearing steel and is subjected to quenching treatment to improve wear resistance and ensure stable positioning effect during long-term use.

[0034] The working principle of the utility model is as follows: when assembling the vehicle body, one end of the clamping mechanical arm is driven to abut against the accessory, and then the accessory is positioned between the upper and lower clamping jaws 6; at this time, the rotating motor 32 drives the screw rod 31 to rotate, and the rotating screw rod 31 drives the movable plate 8 to move forward, and the movable plate 8 pushes the upper and lower clamping jaws 6 to rotate in opposite directions and clamps the accessory in the middle; at this time, the mechanical arm sends the clamped accessory to the vehicle body mounting part and fixes and supports it; at this time, the operator can install and fix the accessory;

[0035] When the volume of the accessory is too large to be clamped by the clamping jaw 6, the suction cup 5 on the support plate 41 driven by the mechanical arm is abutted against the surface of the accessory at this time; at this time, the suction pump is started to work, and the suction pump sucks air through the air pipe 9 to the suction cup 5, so that the suction cup 5 is tightly adsorbed on the accessory, thereby completing the clamping of the assembly of the large-volume accessory;

[0036] When the accessory is clamped, the output shaft of the motor in the rotating seat 2 drives the rotating motor 32 and the support frame 4 to rotate through the connecting sleeve 34. When the rotating motor 32 rotates, the cooperation between the ball head 22 on the limiting screw 23 and the annular groove 33 prevents the rotating motor 32 from moving in the front-back direction. The rotating support frame 4 can adjust the clamping angle of the clamping jaw 6 and the suction cup 5, so as to better adapt to the shape of different accessories.

[0037] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application. The structure, device and operation method not specifically described and explained in the present application, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A parts-holding device for assembling a vehicle body, comprising a robot arm (1) and a suction pump, characterized in that: The end part of the mechanical arm (1) is sequentially provided with a rotating seat (2), a driving member (3) and a support frame (4), one end of the support frame (4) is fixedly sleeved on the outer side of the driving member (3), the rotating seat (2) drives the driving member (3) and the support frame (4) to rotate, one end of the support frame (4) away from the driving member (3) is fixedly provided with a plurality of transversely arranged suction cups (5), one end of the plurality of suction cups (5) is connected with a suction pump through a gas connection pipe (9); The end of the support frame (4) away from the driving member (3) is also hingedly provided with two oppositely arranged clamping jaws (6), the inner side of the support frame (4) is provided with a movable plate (8), the upper and lower ends of the movable plate (8) are respectively hingedly provided with two connecting rods (7), one end of the connecting rod (7) is hingedly connected with the clamping jaw (6), the driving member (3) drives the movable plate (8) to move and adjust in the front and back directions.

2. A device for holding a body assembly part according to claim 1, characterized in that: The support frame (4) comprises a mounting sleeve (43) sleeved on the driving member (3), the outer side of the mounting sleeve (43) is screw-mounted with a locking screw (44) tightly abutting on the outer side of the driving member (3).

3. A vehicle body assembly jigs device according to claim 2, wherein: The front side of the mounting sleeve (43) is provided with a transverse support plate (41), and the mounting sleeve (43) is fixedly connected with the support plate (41) through the left and right two support rods (42).

4. The device according to claim 3, wherein: The end of the suction cup (5) away from the suction port is fixedly sleeved with a fixed cover (52), the outer side of the fixed cover (52) is fixed on the support plate (41) through a fixed block (51) cooperating with a screw, the rear end of the suction cup (5) is fixedly provided with a connecting pipe (53), the connecting pipe (53) penetrates through the fixed cover (52) and the support plate (41) and is connected with the gas connection pipe (9).

5. The device according to claim 1, wherein: The driving member (3) comprises a rotating motor (32), one end of the output shaft of the rotating motor (32) is fixedly provided with a screw rod (31) penetrating through the movable plate (8), and the end of the rotating motor (32) away from the screw rod (31) is fixedly provided with a connecting sleeve (34), the outer side of the rotating motor (32) is provided with an annular groove (33).

6. A vehicle body assembly jigs device according to claim 5, wherein: One side of the rotating seat (2) is fixedly provided with a guide sleeve (21) sleeved on the rotating motor (32), and the inner side of the rotating seat (2) is fixedly provided with a motor rotatably connected with the connecting sleeve (34), the outer side of the guide sleeve (21) is screw-mounted with a limiting screw (23), the end part of the limiting screw (23) is fixedly provided with a ball head (22) clamped in the annular groove (33).

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