A welding fixture for automobile upper crossbeam

Abstract

The utility model discloses a welding fixture for a cross beam on an automobile, comprising a clearance bin and a support bin, wherein the clearance bin is arranged in the middle of the support bin, a motor 1 is arranged inside the clearance bin, both ends of the inner wall of the support bin are connected with screw rods through bearings, and the output end of the motor 1 is fixedly connected with the driving end of the screw rod, the screw rod is threaded with a threaded seat, and a slider is fixed at the upper end of the threaded seat, a support is fixed at the upper end of the slider, and an electric push rod is hinged at the upper end of the bottom of the support, and a movable clamping block is hinged at the upper end of the electric push rod, a horizontal plate is fixed at the side of the support, and a fixed clamping block is fixed at the front of the horizontal plate, and a connecting rod is hinged between one end of the fixed clamping block and the lower end of the movable clamping block. The utility model is easy to clamp cross beam workpieces of different sizes and can reduce welding fume pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a welding fixture for an upper crossbeam of an automobile. Background Art

[0002] Nowadays, there are more and more car brands and types. Auto parts are the various units that constitute the whole car and a product that serves the car. There are many kinds of auto parts. Automobile beams are an important part of auto parts. In the production and processing of automobile beams, they need to be welded. Welding fixtures are generally used during welding. Therefore, the welding fixture of the automobile beam plays an important role.

[0003] Conventional automobile crossbeam welding fixtures have some disadvantages. First, it is not easy to clamp crossbeam workpieces of different sizes. When clamping and fixing different automobile crossbeams, different fixtures need to be replaced, which has poor practicality. Second, the fume generated by welding cannot be treated, which affects the health of workers. Utility Model Content

[0004] The utility model aims to provide a welding fixture for an automobile upper crossbeam to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welding fixture for an automobile upper crossbeam, comprising a clearance bin and a support bin, the clearance bin being arranged in the middle of the support bin, a motor 1 being arranged inside the clearance bin, screws being connected at both ends of the inner wall of the support bin through bearings, and the output end of the motor 1 being fixedly connected to the driving end of the screw, a threaded seat being matched with a threaded seat on the screw, a slider being fixed at the upper end of the threaded seat, a support being fixed at the upper end of the slider, and an electric push rod being hinged at the upper end of the bottom of the support, a movable clamping block being hinged at the upper end of the electric push rod, a cross plate being fixed to the side of the support, and a fixed clamping block being fixed at the front of the cross plate, and a connecting rod being hinged between one end of the fixed clamping block and the lower end of the movable clamping block.

[0006] Preferably, both ends of the top of the support bin are provided with slide grooves, and the slider is slidably connected to the slide grooves.

[0007] Preferably, a base is provided outside the support bin, and both ends of the base are fixedly connected to the inner wall of the base through bearings.

[0008] Preferably, a second protective chamber is provided on the side of the base, and a second motor is provided inside the second protective chamber, and an output end of the second motor is fixedly connected to a driving end of the supporting chamber.

[0009] Preferably, a protective compartment 1 is provided at the lower end of the other side of the base, and a fan is provided inside the protective compartment 1.

[0010] Preferably, a purification chamber is provided on the upper portion of the protection chamber 1, and the lower end of the purification chamber is fixedly connected to the upper end of the fan.

[0011] Preferably, an air duct is provided at the rear of the transverse plate, and the lower end of the air duct is fixedly connected to the upper end of the purification chamber, and through holes are equidistantly provided at the front of the air duct.

[0012] Compared with the prior art, the utility model has the following beneficial effects: it is easy to clamp beam workpieces of different sizes and can reduce welding fume pollution;

[0013] (1) The beam workpiece can be placed on the upper end of the fixed clamp, and the electric push rod can be extended and retracted to drive the angle of the movable clamp to change and generate lifting and lowering, and cooperate with the fixed clamp to clamp the workpiece. Then, driven by the motor, the two screws are driven to rotate together, and then the two threaded seats are driven to move on the screws. The two threaded seats move closer to or away from each other, thereby moving closer to or away from each other through the supports, driving the supports to clamp workpieces of different widths, making it easy to clamp beam workpieces of different sizes.

[0014] (2) Under the action of the fan, an airflow is formed in the air duct, and the airflow guides the fume generated by welding into the air duct through the through hole. The fume is then guided into the purification chamber through the air duct. The purification chamber contains activated carbon, ceramsite, silica gel, etc., which can adsorb harmful substances in the fume, improve the welding working environment, and reduce welding fume pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the air duct and through hole structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the support and electric push rod structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the slider and the threaded seat of the utility model;

[0020] In the figure: 1. fan; 2. protective chamber 1; 3. purification chamber; 4. air duct; 5. support; 6. movable clamp; 7. fixed clamp; 8. connecting rod; 9. cross plate; 10. electric push rod; 11. clearance chamber; 12. motor 1; 13. screw; 14. threaded seat; 15. support chamber; 16. base; 17. motor 2; 18. protective chamber 2; 19. slide groove; 20. slider; 21. through hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 The utility model provides an embodiment: a welding fixture for an automobile upper cross beam, preferably, comprising a giving way bin 11 and a supporting bin 15, a slider 20 is fixed to the upper end of a threaded seat 14, a support 5 is fixed to the upper end of the slider 20, and an electric push rod 10 is hinged to the upper end of the bottom of the support 5, and a movable clamping block 6 is hinged to the upper end of the electric push rod 10, a horizontal plate 9 is fixed to the side of the support 5, and a fixed clamping block 7 is fixed to the front of the horizontal plate 9, and a connecting rod 8 is hinged between one end of the fixed clamping block 7 and the lower end of the movable clamping block 6;

[0023] When in use, the beam workpiece can be placed on the upper end of the fixed clamp block 7, and the electric push rod 10 can be extended and retracted to drive the movable clamp block 6 to change its angle and generate lifting and lowering, and cooperate with the fixed clamp block 7 to clamp the workpiece;

[0024] The clearance bin 11 is arranged in the middle of the support bin 15, and a motor 12 is arranged inside the clearance bin 11. Both ends of the inner wall of the support bin 15 are connected with a screw 13 through bearings, and the output end of the motor 12 is fixedly connected with the driving end of the screw 13. The screw 13 is threaded with a threaded seat 14.

[0025] When in use, the motor 12 drives the two screws 13 to rotate together, thereby driving the two threaded seats 14 to move on the screws 13, and the two threaded seats 14 move closer to or away from each other, thereby moving the support 5 closer to or away from each other, driving the support 5 to clamp workpieces of different widths;

[0026] Both ends of the top of the support bin 15 are provided with slide grooves 19, and the slider 20 is slidably connected to the slide grooves 19;

[0027] When in use, the support bin 15 limits the slider 20 through the slide groove 19, which is conducive to the stable movement of the support 5;

[0028] A base 16 is provided outside the support bin 15, and both ends of the base 16 are fixedly connected to the inner wall of the base 16 through bearings, a second protective bin 18 is provided on the side of the base 16, and a second motor 17 is provided inside the second protective bin 18, and the output end of the second motor 17 is fixedly connected to the driving end of the support bin 15;

[0029] When in use, the motor 17 drives the support bin 15 to change its angle, and then drives the workpiece to change its angle through the support 5, which is beneficial to expand the welding range;

[0030] A protection chamber 2 is provided at the lower end of the other side of the base 16, and a fan 1 is provided inside the protection chamber 2. An air duct 4 is provided at the rear of the horizontal plate 9, and the lower end of the air duct 4 is fixedly connected to the upper end of the purification chamber 3. Through holes 21 are equidistantly provided at the front of the air duct 4.

[0031] When in use, under the action of the fan 1, an airflow is formed in the air duct 4, and the airflow guides the smoke generated by welding into the air duct 4 through the through hole 21;

[0032] A purification chamber 3 is provided on the upper part of the protection chamber 1 2, and the lower end of the purification chamber 3 is fixedly connected to the upper end of the fan 1;

[0033] When in use, the flue gas is introduced into the purification chamber 3 through the air duct 4. The purification chamber 3 contains activated carbon, ceramsite, silica gel, etc., which can adsorb harmful substances in the flue gas and improve the welding working environment;

[0034] When the embodiment of the present application is in use: first, the crossbeam workpiece can be placed on the upper end of the fixed clamping block 7, and the electric push rod 10 can be extended and retracted to drive the movable clamping block 6 to change its angle and generate lifting and lowering, and cooperate with the fixed clamping block 7 to clamp the workpiece. Subsequently, under the drive of the motor 12, the two screws 13 are driven to rotate together, and then the two threaded seats 14 are driven to move on the screws 13, and the two threaded seats 14 move closer to or away from each other, thereby moving the support 5 closer to or away from each other, driving the support 5 to clamp workpieces of different widths, and the support bin 15 limits the slider 20 through the slide groove 19. , which is conducive to the stable movement of the support 5. In addition, under the drive of the motor 2 17, the angle of the support bin 15 is driven to change, and then the angle of the workpiece is driven to change through the support 5, which is conducive to expanding the welding range. At the same time, under the action of the fan 1, an airflow is formed in the air duct 4, and the airflow introduces the fume generated by welding into the air duct 4 through the through hole 21. The fume is introduced into the purification bin 3 through the air duct 4. The purification bin 3 contains activated carbon, ceramsite, silica gel, etc., which can adsorb harmful substances in the fume and improve the welding working environment. In summary, the clamp is easy to clamp beam workpieces of different sizes and can reduce welding fume pollution.

Claims

1. A welding fixture for an automobile upper crossbeam, characterized in that: The invention comprises a clearance chamber (11) and a support chamber (15), wherein the clearance chamber (11) is arranged in the middle of the support chamber (15), a motor (12) is arranged inside the clearance chamber (11), both ends of the inner wall of the support chamber (15) are connected to a screw rod (13) through bearings, and the output end of the motor (12) is fixedly connected to the driving end of the screw rod (13), and a threaded seat (14) is provided on the screw rod (13) in threaded engagement, and the threaded seat (14) is A slider (20) is fixed at the upper end, a support (5) is fixed at the upper end of the slider (20), an electric push rod (10) is hinged at the upper end of the bottom of the support (5), a movable clamp (6) is hinged at the upper end of the electric push rod (10), a transverse plate (9) is fixed at the side of the support (5), a fixed clamp (7) is fixed at the front of the transverse plate (9), and a connecting rod (8) is hinged between one end of the fixed clamp (7) and the lower end of the movable clamp (6).

2. The automobile upper crossbeam welding fixture according to claim 1, characterized in that: Both ends of the top of the support bin (15) are provided with slide grooves (19), and the sliding block (20) is slidably connected to the slide grooves (19).

3. The automobile upper crossbeam welding fixture according to claim 2, characterized in that: A base (16) is disposed outside the support bin (15), and both ends of the base (16) are fixedly connected to the inner wall of the base (16) via bearings.

4. The welding fixture for an upper cross beam of an automobile according to claim 3, characterized in that: A second protective chamber (18) is provided on the side of the base (16), and a second motor (17) is provided inside the second protective chamber (18), and the output end of the second motor (17) is fixedly connected to the driving end of the supporting chamber (15).

5. The welding fixture for the upper cross beam of an automobile according to claim 4, characterized in that: A protective chamber (2) is provided at the lower end of the other side of the base (16), and a fan (1) is provided inside the protective chamber (2).

6. The automobile upper crossbeam welding fixture according to claim 5, characterized in that: A purification chamber (3) is arranged on the upper part of the protection chamber 1 (2), and the lower end of the purification chamber (3) is fixedly connected to the upper end of the fan (1).

7. The automobile upper crossbeam welding fixture according to claim 1, characterized in that: An air duct (4) is arranged at the rear of the transverse plate (9), and the lower end of the air duct (4) is fixedly connected to the upper end of the purification chamber (3), and through holes (21) are equidistantly arranged at the front of the air duct (4).

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