Clamp for welding front collision beam assembly

Abstract

The utility model discloses a clamp for welding a front collision beam assembly, which relates to the technical field of collision beams and comprises a base, a support is fixedly connected to the front of the top end of the base, a beam body is lapped in the middle of the top end of the support, and clamping components are fixedly mounted on the left and right positions of the top end of the support. And an adjusting structure is fixedly mounted at the rear part of the top end of the base. According to the clamp for welding the front collision beam assembly, the position height of the top plate can be adjusted through the effect of the adjusting structure and by driving the threaded rod through the motor, the front-back position of the sliding rod can be adjusted through the multi-stage electric telescopic rod, and then positioning of a first welding piece and a second welding piece can be assisted; and under the action of the spring, the push plate slides towards the direction of the first welding piece or the second welding piece, then the posture of the first welding piece or the second welding piece is corrected, and accurate positioning and quality of welding are further guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of collision beams, in particular to a clamp for welding a front collision beam assembly. Background Art

[0002] The front collision beam assembly is part of the vehicle body structure, mainly located in front of the left and right front longitudinal beams and the inner side of the front bumper. It is an important part of the vehicle bumper and is usually made of hot-formed plates. The end face of the part is generally straight or arched. The front collision beam assembly welding fixture is a special tool designed to improve the efficiency, accuracy and safety of the welding process.

[0003] For example, the Chinese patent with announcement number CN212599934U discloses a front collision beam assembly welding fixture, which is characterized by comprising a fixture base (1), two front collision beam body positioning and clamping mechanisms (2), two front collision beam body pressing mechanisms (3), a front towing hook tube positioning and clamping mechanism (4) and two energy absorption box positioning and clamping mechanisms (5) arranged on the fixture base (1). The utility model is used for clamping during welding of the front collision beam assembly, and each component can be positioned and clamped mutually using a set of fixtures, thereby ensuring welding accuracy, reducing deformation and improving welding efficiency.

[0004] The existing technology has the following problems:

[0005] In actual use, misalignment may occur during the docking and welding process between the cross beam and the welded parts, which may reduce the strength of the welded joint and further affect the structural strength of the entire anti-collision beam assembly. This may result in the anti-collision beam being unable to effectively withstand the impact in the event of a collision, reducing its ability to protect the vehicle and passengers. Utility Model Content

[0006] The utility model provides a clamp for welding a front collision beam assembly to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A clamp for welding a front collision beam assembly comprises a base, a support is fixedly connected to the front portion of the top end of the base, a beam body is overlapped in the middle portion of the top end of the support, clamping components are fixedly installed at the left and right positions of the top end of the support, an adjustment structure is fixedly installed at the rear portion of the top end of the base, a fixing structure is fixedly installed at the bottom of the front portion of the adjustment structure, a first welding piece is fixedly installed at the top end of the beam body, and a second welding piece is overlapped at the top end of the bottom of the adjustment structure.

[0009] Preferably, the adjusting structure includes a bracket, the bottom end of the bracket is fixedly connected to the rear portion of the top end of the base, the top end inside the bracket is rotatably connected to a threaded rod, the top end of the bracket is fixedly installed with a motor, the output end of the motor extends to the inside of the bracket, the output end of the motor is fixedly connected to the top end of the threaded rod, the inside of the bracket is slidably connected with a top plate, the rear portion of the top plate is threadedly connected to the outer wall of the threaded rod, the left and right positions of the front end of the top plate are fixedly connected with guide rods, the outer walls of the two guide rods are slidably connected with sliding rods, and a multi-stage electric telescopic rod is fixedly installed in the middle portion of the front end of the top plate, and the output end of the multi-stage electric telescopic rod is fixedly connected to the middle portion of the rear end of the sliding rod.

[0010] Preferably, the bottom of the front end of the bracket is fixedly connected to a placement rack, the middle part of the top of the placement rack overlaps with the bottom end of the second welded part, the left and right positions of the middle part of the placement rack are fixedly connected to round rods, the outsides of the rear end parts of the two round rods are movably sleeved with springs, the rear ends of the two springs are respectively fixedly connected to the left and right positions of the rear part of the placement rack, the front ends of the two springs are fixedly connected to push plates, and the left and right positions of the bottom of the push plates are respectively slidably connected to the outer walls of the two round rods.

[0011] Preferably, the front end of the push plate is fixedly connected with a collar, the rear end of the support is fixedly connected with a fixing pile, and the outer wall of the top of the fixing pile is movably sleeved with the inner wall of the collar.

[0012] Preferably, the fixed structure includes a secondary electric telescopic rod, the top of the secondary electric telescopic rod is fixedly connected to the middle of the top of the sliding rod, the output end of the secondary electric telescopic rod is fixedly connected to a pull plate, the left and right positions of the bottom end of the sliding rod are fixedly connected to fixed rods, the bottom ends of the two fixed rods are fixedly connected to rectangular plates, the left and right sides of the rectangular plates are fixedly connected to cylinders, and suction cups are fixedly installed on the bottoms of the two cylinders.

[0013] Preferably, a cavity is opened inside the two cylinders, pistons are slidably connected inside the two cavities, and pull rods are fixedly connected to the top ends of the two pistons. The top ends of the two pull rods extend out of the top ends of the two cylinders respectively, and the top ends of the two pull rods are fixedly connected to the left and right positions of the bottom end of the pull plate respectively.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a clamp for welding a front collision beam assembly. Through the function of the adjustment structure, the position height of the top plate can be adjusted by using a motor to drive a threaded rod. The front and rear positions of the slide rod can be adjusted by a multi-stage electric telescopic rod, thereby assisting the positioning of the first welding part and the second welding part, thereby ensuring the welding quality. Under the action of the spring, the push plate slides toward the first welding part or the second welding part, thereby correcting its posture, further ensuring the accurate positioning and quality of the welding.

[0016] 2. The utility model provides a clamp for welding a front collision beam assembly. Through the action of the fixing structure, the motor is started, which in turn drives the threaded rod to rotate, thereby adsorbing the suction cup at the bottom of the cylinder to the top of the first welding part or the second welding part, and then fixing the cylinder to one of the two. The two pistons slide upward to form a negative pressure at the suction cup, thereby further improving the fixing effect of the suction cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the threaded rod structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the placement rack of the utility model;

[0020] Figure 4 This is a schematic diagram of the sleeve structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the cylinder structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the piston structure of the utility model

[0023] In the figure: 1. base; 2. support; 3. crossbeam; 4. first welded part; 5. clamping assembly; 6. adjustment structure; 61. bracket; 62. threaded rod; 63. motor; 64. top plate; 65. guide rod; 66. multi-stage electric telescopic rod; 67. slide rod; 68. placement rack; 69. round rod; 610. spring; 611. push plate; 612. collar; 613. fixed pile; 7. fixed structure; 71. secondary electric telescopic rod; 72. pull plate; 73. fixed rod; 74. rectangular plate; 75. cylinder; 76. suction cup; 77. cavity; 78. piston; 79. pull rod; 8. second welded part. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1 As shown, a clamp for welding a front collision beam assembly includes a base 1, a support 2 is fixedly connected to the front part of the top of the base 1, a beam body 3 is overlapped in the middle part of the top of the support 2, clamping components 5 are fixedly installed at the left and right positions of the top of the support 2, the clamping component 5 includes a pressure plate, a screw rod and a hand wheel, the rear end of the hand wheel is fixedly connected to the front end of the screw rod, the front end of the pressure plate is rotatably connected to the rear end of the screw rod, the outer wall of the screw rod is threadedly connected to the front part of the support 2, an adjusting structure 6 is fixedly installed at the rear part of the top of the base 1, a fixing structure 7 is fixedly installed at the bottom of the front of the adjusting structure 6, a first welding piece 4 is fixedly installed on the top of the beam body 3, and a second welding piece 8 is overlapped at the top of the bottom of the adjusting structure 6.

[0026] By setting up the adjustment structure 6 and using the motor 63 to drive the threaded rod 62, the position and height of the top plate 64 can be adjusted, and the front and rear positions of the slide rod 67 can be adjusted by the multi-stage electric telescopic rod 66, thereby assisting in the positioning of the first welding part 4 and the second welding part 8, thereby ensuring the welding quality. Under the action of the spring 610, the push plate 611 slides toward the first welding part 4 or the second welding part 8, thereby correcting its posture, further ensuring the accurate positioning and quality of the welding.

[0027] like Figure 2 As shown, the adjustment structure 6 includes a bracket 61, the bottom end of the bracket 61 is fixedly connected to the rear part of the top end of the base 1, the top end inside the bracket 61 is rotatably connected with a threaded rod 62, the top end of the bracket 61 is fixedly installed with a motor 63, the output end of the motor 63 extends to the inside of the bracket 61, the output end of the motor 63 is fixedly connected to the top end of the threaded rod 62, the inside of the bracket 61 is slidably connected with a top plate 64, the rear part of the top plate 64 is threadedly connected to the outer wall of the threaded rod 62, the left and right positions of the front end of the top plate 64 are fixedly connected with guide rods 65, the outer walls of the two guide rods 65 are slidably connected with sliding rods 67, the middle part of the front end of the top plate 64 is fixedly installed with a multi-stage electric telescopic rod 66, and the output end of the multi-stage electric telescopic rod 66 is fixedly connected to the middle part of the rear end of the sliding rod 67.

[0028] By setting a threaded rod 62 and using a motor 63 to drive the threaded rod 62, the position height of the top plate 64 can be adjusted, and the front and rear positions of the slide rod 67 can be adjusted by a multi-stage electric telescopic rod 66, thereby assisting in the positioning of the first welding part 4 and the second welding part 8, thereby ensuring the welding quality.

[0029] like Figure 3 and Figure 4As shown, the bottom of the front end of the bracket 61 is fixedly connected to a placement rack 68, the middle part of the top of the placement rack 68 overlaps with the bottom end of the second welding part 8, the left and right positions of the middle part of the placement rack 68 are fixedly connected to round rods 69, the outer parts of the rear ends of the two round rods 69 are movably sleeved with springs 610, the rear ends of the two springs 610 are respectively fixedly connected to the left and right positions of the rear part of the placement rack 68, the front ends of the two springs 610 are fixedly connected to push plates 611, and the left and right positions of the bottom of the push plates 611 are respectively slidably connected to the outer walls of the two round rods 69.

[0030] By setting the push plate 611, after the first welding part 4 or the second welding part 8 to be welded with the cross beam body 3 is placed on it, the push plate 611 slides toward the first welding part 4 or the second welding part 8 under the action of the spring 610, thereby correcting its posture.

[0031] like Figure 3 and Figure 4 As shown, the front end of the push plate 611 is fixedly connected with a collar 612 , the rear end of the support 2 is fixedly connected with a fixing pile 613 , and the outer wall of the top of the fixing pile 613 is movably connected with the inner wall of the collar 612 .

[0032] By setting the ring 612 and the fixing pile 613 and putting the ring 612 on the fixing pile 613, the ring 612 can be fixed, and then the push plate 611 can be fixed to the front of the placement rack 68, so as to facilitate placing the first welding part 4 or the second welding part 8 in the middle of the top of the placement rack 68.

[0033] like Figure 5 As shown, the fixed structure 7 includes a secondary electric telescopic rod 71, the top of the secondary electric telescopic rod 71 is fixedly connected to the middle of the top of the sliding rod 67, the output end of the secondary electric telescopic rod 71 is fixedly connected to a pull plate 72, the left and right positions of the bottom end of the sliding rod 67 are fixedly connected to fixed rods 73, the bottom ends of the two fixed rods 73 are fixedly connected to a rectangular plate 74, the left and right sides of the rectangular plate 74 are fixedly connected to a cylinder 75, and the bottoms of the two cylinders 75 are fixedly installed with suction cups 76.

[0034] By setting the suction cup 76 and starting the motor 63, the threaded rod 62 is driven to rotate, so that the suction cup 76 at the bottom of the cylinder 75 is adsorbed to the top of the first welding part 4 or the second welding part 8, and the cylinder 75 is fixed to one of the two.

[0035] like Figure 6 As shown, the two cylinders 75 are each provided with a cavity 77, the two cavities 77 are each slidably connected with a piston 78, the top ends of the two pistons 78 are each fixedly connected with a pull rod 79, the top ends of the two pull rods 79 extend out of the top ends of the two cylinders 75, and the top ends of the two pull rods 79 are respectively fixedly connected to the left and right positions of the bottom end of the pull plate 72.

[0036] By setting the piston 78 and starting the secondary electric telescopic rod 71, the pull plate 72 slides upward, thereby pulling the two pull rods 79, so that the two pistons 78 slide upward, thereby forming a negative pressure at the suction cup 76, thereby further improving the fixing effect of the suction cup 76.

[0037] The working principle of the utility model is as follows: when in use, the cross beam 3 is first placed in the middle of the support 2, and then the cross beam 3 and the support 2 are fixed by the clamping assembly 5, and the first welding piece 4 or the second welding piece 8 to be welded with the cross beam 3 is placed on the placement, and then the collar 612 is taken out from the fixing pile 613. At this time, under the action of the spring 610, the push plate 611 slides toward the first welding piece 4 or the second welding piece 8, and then corrects its posture. Thereafter, the position of the cylinder 75 is adjusted to the top of the placement frame 68 by the multi-stage electric telescopic rod 66, and then the motor 63 is started, thereby driving the threaded rod 62 to rotate, and then the suction cup 76 at the bottom of the cylinder 75 is aligned with the suction cup 76 at the bottom of the cylinder 75. The top of the first welding part 4 or the second welding part 8 is adsorbed, and the cylinder 75 is fixed to one of them. Thereafter, the secondary electric telescopic rod 71 is started to slide the pull plate 72 upward, and then the two pull rods 79 are pulled, so that the two pistons 78 slide upward, and then negative pressure is formed at the suction cup 76, thereby further improving the fixing effect of the suction cup 76. Thereafter, the driving motor 63 is driven to rotate in the opposite direction, and then the multi-stage electric telescopic rod 66 is used to push the sliding rod 67 to slide to the top of the beam body 3, and then the motor 63 and the threaded rod 62 are used to make the cylinder 75 drive the first welding part 4 or the second welding part 8 to be squeezed on the top of the beam body 3, and then welding is performed.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A front collision beam assembly welding fixture, comprising a base (1), characterized in that: The front part of the top of the base (1) is fixedly connected to a support (2), the middle part of the top of the support (2) is overlapped with a cross beam (3), the left and right positions of the top of the support (2) are fixedly installed with clamping assemblies (5), the rear part of the top of the base (1) is fixedly installed with an adjustment structure (6), the bottom of the front of the adjustment structure (6) is fixedly installed with a fixing structure (7), the top of the cross beam (3) is fixedly installed with a first welding part (4), and the top of the bottom of the adjustment structure (6) is overlapped with a second welding part (8).

2. The front collision beam assembly welding fixture according to claim 1, characterized in that: The adjusting structure (6) comprises a bracket (61), the bottom end of the bracket (61) is fixedly connected to the rear part of the top end of the base (1), the top end of the bracket (61) is rotatably connected to a threaded rod (62), the top end of the bracket (61) is fixedly installed with a motor (63), the output end of the motor (63) extends to the inside of the bracket (61), the output end of the motor (63) is fixedly connected to the top end of the threaded rod (62), the inside of the bracket (61) is slidably connected with a top plate (64), the rear part of the top plate (64) is threadedly connected to the outer wall of the threaded rod (62), the left and right positions of the front end of the top plate (64) are fixedly connected with guide rods (65), the outer walls of the two guide rods (65) are slidably connected with sliding rods (67), the middle part of the front end of the top plate (64) is fixedly installed with a multi-stage electric telescopic rod (66), the output end of the multi-stage electric telescopic rod (66) is fixedly connected to the middle part of the rear end of the sliding rod (67).

3. The front collision beam assembly welding fixture according to claim 2, characterized in that: The bottom of the front end of the bracket (61) is fixedly connected to a placement rack (68), the middle of the top of the placement rack (68) overlaps the bottom end of the second welding piece (8), the left and right positions of the middle of the placement rack (68) are fixedly connected to round rods (69), the outside of the rear ends of the two round rods (69) are movably sleeved with springs (610), the rear ends of the two springs (610) are respectively fixedly connected to the left and right positions of the rear part of the placement rack (68), the front ends of the two springs (610) are fixedly connected to push plates (611), and the left and right positions of the bottom of the push plates (611) are respectively slidably connected to the outer walls of the two round rods (69).

4. The front collision beam assembly welding fixture according to claim 3, characterized in that: The front end of the push plate (611) is fixedly connected to a collar (612), the rear end of the support (2) is fixedly connected to a fixing pile (613), and the outer wall of the top of the fixing pile (613) is movably sleeved with the inner wall of the collar (612).

5. The front collision beam assembly welding fixture according to claim 2, characterized in that: The fixed structure (7) comprises a secondary electric telescopic rod (71), the top end of the secondary electric telescopic rod (71) is fixedly connected to the middle part of the top end of the sliding rod (67), the output end of the secondary electric telescopic rod (71) is fixedly connected to a pull plate (72), the left and right positions of the bottom end of the sliding rod (67) are fixedly connected to fixed rods (73), the bottom ends of the two fixed rods (73) are fixedly connected to rectangular plates (74), the left and right sides of the rectangular plate (74) are fixedly connected to cylinders (75), and the bottoms of the two cylinders (75) are fixedly installed with suction cups (76).

6. The front collision beam assembly welding fixture according to claim 5, characterized in that: The two cylinders (75) are each provided with a cavity (77), the interior of the two cavities (77) are both slidably connected with a piston (78), the top ends of the two pistons (78) are both fixedly connected with a pull rod (79), the top ends of the two pull rods (79) respectively extend out of the top ends of the two cylinders (75), and the top ends of the two pull rods (79) are respectively fixedly connected to the left and right positions of the bottom end of the pull plate (72).

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