Fixing clamp for drilling of automobile chassis

Abstract

The utility model discloses an automobile chassis drilling stationary fixture which comprises an integrated frame and supporting arms, two sets of supporting arms are arranged in the integrated frame, first sliding rails are symmetrically installed on the inner wall of the integrated frame, first sliding blocks are installed on the surfaces of the first sliding rails in a sliding mode, and the first sliding blocks are connected with the supporting arms. And moving motors are symmetrically installed on the outer wall of the integrated frame, threaded rods are installed at the output ends of the moving motors, the surfaces of the threaded rods are sleeved with threaded sleeves, the threaded sleeves are in threaded connection with the threaded rods, and the threaded sleeves are connected with the first sliding blocks. According to the drilling device, the automobile chassis can be conveniently clamped and fixed in the opposite direction in a linkage mode, the drilling position can be conveniently adjusted through circumferential rotation, the automobile chassis with different lengths can be conveniently clamped and fixed in a matched mode, angle adjustment drilling operation can be conveniently conducted on the automobile chassis, and the drilling flexibility is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing fixtures, in particular to a fixing fixture for drilling holes in an automobile chassis. Background Art

[0002] The automobile chassis consists of four parts: transmission system, running system, steering system and braking system. The function of the chassis is to support and install the automobile engine and its components and assemblies to form the overall shape of the automobile, and to receive the power of the engine to make the automobile move and ensure normal driving. After the production of the automobile chassis is completed, it is necessary to drill holes and install bolts. Traditional drilling is mostly done manually, and its efficiency is low. In order to better drill holes in the automobile chassis, a fixing fixture for drilling holes in the automobile chassis is proposed.

[0003] For example, a positioning clamping device for drilling holes in a chassis guard plate of an automobile disclosed in the authorization announcement number CN220863253U includes a clamping plate and two tripods, wherein the tripods are provided with ground bolt holes and are fixed to the ground by bolts, and the two ends of the clamping plate are fixed with rotating shafts and are rotatably arranged in the tripods, and also includes a supporting frame with hanging plates welded on four sides, wherein the hanging plates are fixed to the clamping plates by bolts, and the guard plate is mounted on the supporting frame;

[0004] Although the third electromagnet is powered off, the clamping plate is actively leveled under the weight of the leveling pendulum, and then the third electromagnet is started to lock the clamping plate, the guard plate is mounted on the support frame, and the guard plate is fixed by the pressure rod, and then the punching position is found and the connecting rod and the slider are moved horizontally so that the pneumatic rod is aligned with the punching position;

[0005] However, the problem that the existing fixing fixture is not conducive to convenient linkage clamping and fixing of the automobile chassis and convenient circular rotation to adjust the drilling position when in use, is not conducive to adaptive clamping and fixing of automobile chassis of different lengths and angle adjustment drilling operations on the automobile chassis, which affects the flexibility of drilling. Utility Model Content

[0006] The purpose of the utility model is to provide a fixing fixture for drilling holes in an automobile chassis, so as to solve the problem in the above-mentioned background technology that the fixing fixture is not convenient for convenient linkage opposite clamping and fixing of the automobile chassis and convenient circular rotation to adjust the drilling position, which is not conducive to adaptive clamping and fixing of automobile chassis of different lengths and angle adjustment drilling operations on the automobile chassis, thus affecting the flexibility of drilling.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing fixture for drilling holes in an automobile chassis, comprising an integrated frame and a support arm, wherein two groups of support arms are arranged inside the integrated frame, a first slide rail is symmetrically installed on the inner wall of the integrated frame, a first slider is slidably installed on the surface of each of the first slide rails, and the first slider is connected to the support arm, a moving motor is symmetrically installed on the outer wall of the integrated frame, a threaded rod is installed on the output end of each of the moving motors, a threaded sleeve is sleeved on the surface of each of the threaded rods, and the threaded sleeve is threadedly connected to the threaded rod, and the threaded sleeve is connected to the first slider. The support arm is connected, a clamping frame is installed at one end away from the rotating seat, two groups of clamping arms are arranged inside the clamping frame, second slide rails are symmetrically installed on the inner wall of the clamping frame, second sliders are slidably installed on the surface of the second slide rails, and the second sliders are connected to the clamping arms, racks are installed on the side walls of the clamping arms, a servo motor is installed on the side wall of the clamping frame on one side of the rack, a gear is installed on the output end of the servo motor, and the gear and the rack are meshed with each other, a clamping claw is installed on the bottom end of the clamping arm, and a rotating seat is arranged above the integrated frame.

[0008] Preferably, a stepper motor is installed on the inner wall of the rotating seat, a worm is installed on the output end of the stepper motor, and the worm is movably connected to the rotating seat.

[0009] Preferably, a movable shaft is movably installed inside the rotating seat on one side of the worm, and the movable shaft extends to the outside of the rotating seat.

[0010] Preferably, a worm gear is mounted on the surface of the movable shaft, and the worm and the worm gear are meshed with each other.

[0011] Preferably, a support plate is installed at the bottom end of the movable shaft, and the support plate is fixedly connected to the movable shaft.

[0012] Preferably, a rotating plate is installed at the bottom end of the support plate, a linkage shaft is installed on one side of the rotating plate close to the support plate, and the rotating plate is movably connected to the support plate through the linkage shaft, and the rotating plate is connected to the integrated frame.

[0013] Preferably, an electric push rod is movably mounted on the side wall of the support plate, and a push arm is mounted on the output end of the electric push rod.

[0014] Preferably, a hinge shaft is movably mounted on one end of the push arm close to the rotating plate, and the push arm is movably connected to the rotating plate via the hinge shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the fixing fixture not only realizes convenient linkage opposite clamping and fixing of the automobile chassis and convenient circular rotation adjustment of the drilling position, but also facilitates the adaptation clamping and fixing of automobile chassis of different lengths and the angle adjustment drilling operation of the automobile chassis, and improves the flexibility of drilling;

[0016] (1) The servo motor drives the gear to rotate, the gear drives the rack to move, and the rack drives the clamping arm to move, so that the two groups of clamping arms are close to each other, and the clamping arm drives the clamping claws to approach each other, so that the clamping claws clamp and fix the automobile chassis. When the length of the automobile chassis to be fixed and clamped is different, the mobile motor is turned on by external control, and the mobile motor drives the threaded rod to rotate, and the threaded rod drives the first slider to move through the threaded sleeve, and the first slider drives the support arm to move, and the support arm drives the clamping frame and the clamping claws to move, so as to adjust the spacing between the clamping claws to adapt to automobile chassis of different lengths. After that, the worker completes the drilling operation on the chassis, realizing convenient linkage and opposite clamping and fixing of the automobile chassis, and facilitating the adaptation and clamping of automobile chassis of different lengths;

[0017] (2) The worm is driven to rotate by a stepper motor, which in turn drives the worm wheel to rotate, which in turn drives the movable shaft to rotate, which in turn drives the support plate, the rotating plate, the integrated frame, the support arm, the clamping frame, the clamping arm, the clamping claw and the automobile chassis to rotate, so as to facilitate the circular rotation adjustment of the automobile chassis. When it is necessary to perform oblique drilling on the automobile chassis, the push arm is driven to move by an electric push rod, and the push arm drives the rotating plate to rotate around the linkage shaft through a hinge shaft, and the rotating plate drives the integrated frame, the support arm, the clamping frame, the clamping arm, the clamping claw and the automobile chassis to rotate, so as to adjust the angle of the automobile chassis, so as to facilitate the oblique drilling operation of the automobile chassis, thus realizing convenient circular rotation adjustment of the drilling position, facilitating the angle adjustment drilling operation of the automobile chassis, and improving the flexibility of drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the integrated frame of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the clamping frame of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the support arm of the utility model;

[0022] Figure 5 It is a front view cross-sectional structural schematic diagram of the rotating seat of the utility model.

[0023] In the figure: 1. rotating seat; 2. rotating plate; 3. integrated frame; 4. supporting arm; 5. clamping frame; 6. clamping claw; 7. servo motor; 8. gear; 9. first slide rail; 10. moving motor; 11. threaded sleeve; 12. threaded rod; 13. rack; 14. stepping motor; 15. movable shaft; 16. worm; 17. worm gear; 18. supporting plate; 19. electric push rod; 20. linkage shaft; 21. push arm; 22. hinged shaft; 23. first slider; 24. second slider; 25. second slide rail; 26. clamping arm. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: a fixing fixture for drilling holes in an automobile chassis, comprising an integrated frame 3 and a support arm 4, two groups of support arms 4 are arranged inside the integrated frame 3, first slide rails 9 are symmetrically installed on the inner wall of the integrated frame 3, first sliders 23 are slidably installed on the surface of the first slide rails 9, and the first sliders 23 are connected to the support arms 4, and mobile motors 10 are symmetrically installed on the outer wall of the integrated frame 3, and the mobile motors 10 play a role of power drive, and the output ends of the mobile motors 10 are all installed with threaded rods 12, and the surfaces of the threaded rods 12 are all covered with threaded sleeves 11, and the threaded sleeves 11 are threadedly connected to the threaded rods 12, and the threaded sleeves 11 are connected to the first sliders 23. , a clamping frame 5 is installed at one end of the support arm 4 away from the rotating seat 1, two groups of clamping arms 26 are arranged inside the clamping frame 5, second slide rails 25 are symmetrically installed on the inner wall of the clamping frame 5, and a second slider 24 is slidably installed on the surface of the second slide rail 25, and the second slider 24 is connected to the clamping arm 26, a rack 13 is installed on the side wall of the clamping arm 26, a servo motor 7 is installed on the side wall of the clamping frame 5 on one side of the rack 13, and the servo motor 7 plays a role of power drive, and a gear 8 is installed at the output end of the servo motor 7, and the gear 8 and the rack 13 are meshed with each other, and a clamping claw 6 is installed at the bottom end of the clamping arm 26, and a rotating seat 1 is arranged above the integrated frame 3;

[0026] First, the clamp is hoisted and installed on a traveling tool such as a crane, and the device is connected to an external controller and an external circuit. When the chassis of the car needs to be fixed, the chassis of the car is placed between multiple groups of clamps 6, and the servo motor 7 is turned on by external control. The servo motor 7 drives the gear 8 to rotate. Under the mutual meshing of the gear 8 and the rack 13, the gear 8 drives the rack 13 to move. Under the sliding cooperation between the second slider 24 and the second slide rail 25, the rack 13 drives the clamping arm 26 to move, so that the two groups of clamping arms 26 are close to each other, and the clamping arms 26 drive the clamping jaws 6 to approach each other, so that the clamping jaws 6 clamp and fix the chassis of the car. When the chassis of the car needs to be fixed, When the lengths are different, the mobile motor 10 is turned on by external control, and the mobile motor 10 drives the threaded rod 12 to rotate. Under the threaded connection between the threaded rod 12 and the threaded sleeve 11, under the sliding cooperation between the first slider 23 and the first slide rail 9, the threaded rod 12 drives the first slider 23 to move through the threaded sleeve 11, and the first slider 23 drives the support arm 4 to move, and the support arm 4 drives the movement of the clamping frame 5 and the clamping jaws 6 to adjust the spacing between the clamping jaws 6 to adjust and adapt to automobile chassis of different lengths. After that, the workers complete the drilling operation on the chassis, realizing convenient linkage and opposite clamping and fixing of the automobile chassis, and facilitating the adaptation, clamping and fixing of automobile chassis of different lengths;

[0027] A stepper motor 14 is installed on the inner wall of the rotating seat 1, and the stepper motor 14 plays a role of power drive. A worm 16 is installed at the output end of the stepper motor 14, and the worm 16 is movably connected to the rotating seat 1;

[0028] A movable shaft 15 is movably mounted inside the rotating seat 1 on one side of the worm 16, and the movable shaft 15 extends to the outside of the rotating seat 1. A worm wheel 17 is mounted on the surface of the movable shaft 15, and the worm 16 and the worm wheel 17 are meshed with each other.

[0029] A support plate 18 is installed at the bottom end of the movable shaft 15, and the support plate 18 is fixedly connected to the movable shaft 15. A rotating plate 2 is installed at the bottom end of the support plate 18. A linkage shaft 20 is installed on the side of the rotating plate 2 close to the support plate 18, and the rotating plate 2 is movably connected to the support plate 18 through the linkage shaft 20, and the rotating plate 2 is connected to the integrated frame 3;

[0030] An electric push rod 19 is movably mounted on the side wall of the support plate 18. The electric push rod 19 plays a role of power drive. A push arm 21 is mounted on the output end of the electric push rod 19.

[0031] A hinge shaft 22 is movably mounted on one end of the push arm 21 close to the rotating plate 2, and the push arm 21 is movably connected to the rotating plate 2 via the hinge shaft 22;

[0032] When it is necessary to rotate and adjust the drilling position, the stepper motor 14 is turned on by external control, and the stepper motor 14 drives the worm 16 to rotate. Under the mutual meshing of the worm 16 and the worm wheel 17, the worm 16 drives the worm wheel 17 to rotate, and the worm wheel 17 drives the movable shaft 15 to rotate, and the movable shaft 15 drives the support plate 18, the rotating plate 2, the integrated frame 3, the support arm 4, the clamping frame 5, the clamping arm 26, the clamping claw 6 and the automobile chassis to rotate, so as to facilitate the circular rotation adjustment of the automobile chassis. When it is necessary to perform oblique drilling on the automobile chassis, the stepper motor 14 is turned on by external control. The electric push rod 19 is controlled to open, and the push arm 21 is driven by the electric push rod 19 to move. Under the support of the support plate 18, the push arm 21 drives the rotating plate 2 to rotate around the linkage shaft 20 through the hinge shaft 22. The rotating plate 2 drives the integrated frame 3, the support arm 4, the clamping frame 5, the clamping arm 26, the clamping claw 6 and the automobile chassis to rotate to adjust the angle of the automobile chassis to facilitate the oblique drilling operation of the automobile chassis, realizes convenient circular rotation to adjust the drilling position, facilitates the angle adjustment drilling operation of the automobile chassis, and improves the flexibility of drilling.

[0033] Working principle: First, the clamp is hoisted and installed on a traveling tool such as a crane, and the device is connected to an external controller and an external circuit. When the automobile chassis needs to be fixed, the automobile chassis is placed between multiple groups of clamps 6, and the servo motor 7 drives the gear 8 to rotate, and the gear 8 drives the rack 13 to move, and the rack 13 drives the clamping arm 26 to move, so that the two groups of clamping arms 26 are close to each other, and the clamping arm 26 drives the clamping jaws 6 to approach each other, and the clamping jaws 6 clamp the automobile chassis and fix it. When the length of the automobile chassis to be fixed and clamped is different, the mobile motor 10 drives the threaded rod 12 to rotate, and the threaded rod 12 drives the first slider 23 to move through the threaded sleeve 11, and the first slider 23 drives the support arm 4 to move, and the support arm 4 drives the clamping frame 5 and the clamping jaw 6 to move, so as to adjust the spacing between the clamping jaws 6 to adapt to automobile chassis of different lengths, and then the workers To complete the drilling operation on the chassis, when it is necessary to rotate and adjust the drilling position, the stepper motor 14 drives the worm 16 to rotate, the worm 16 drives the worm wheel 17 to rotate, the worm wheel 17 drives the movable shaft 15 to rotate, and the movable shaft 15 drives the support plate 18, the rotating plate 2, the integrated frame 3, the support arm 4, the clamping frame 5, the clamping arm 26, the clamping claw 6 and the automobile chassis to rotate, so as to facilitate the circular rotation adjustment of the automobile chassis. When it is necessary to perform oblique drilling on the automobile chassis, the electric push rod 19 drives the push arm 21 to move, and the push arm 21 drives the rotating plate 2 to rotate around the linkage shaft 20 through the hinge shaft 22, and the rotating plate 2 drives the integrated frame 3, the support arm 4, the clamping frame 5, the clamping arm 26, the clamping claw 6 and the automobile chassis to rotate to adjust the angle of the automobile chassis, so as to facilitate the oblique drilling operation of the automobile chassis, so as to complete the use of the fixing fixture for drilling holes in the automobile chassis.

[0034] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fixing fixture for drilling holes in an automobile chassis, comprising an integrated frame (3) and a support arm (4), characterized in that: Two groups of support arms (4) are arranged inside the integrated frame (3), a first slide rail (9) is symmetrically installed on the inner wall of the integrated frame (3), a first slider (23) is slidably installed on the surface of the first slide rail (9), and the first slider (23) is connected to the support arm (4), a mobile motor (10) is symmetrically installed on the outer wall of the integrated frame (3), a threaded rod (12) is installed on the output end of the mobile motor (10), a threaded sleeve (11) is installed on the surface of the threaded rod (12), and the threaded sleeve (11) is threadedly connected to the threaded rod (12), and the threaded sleeve (11) is connected to the first slider (23), and a clamping frame (5) is installed on the end of the support arm (4) away from the rotating seat (1). ), two groups of clamping arms (26) are arranged inside the clamping frame (5), second slide rails (25) are symmetrically installed on the inner wall of the clamping frame (5), second sliders (24) are slidably installed on the surface of the second slide rails (25), and the second sliders (24) are connected to the clamping arms (26), racks (13) are installed on the side walls of the clamping arms (26), servo motors (7) are installed on the side walls of the clamping frame (5) on one side of the rack (13), gears (8) are installed on the output ends of the servo motors (7), and the gears (8) and the racks (13) are meshed with each other, clamping claws (6) are installed at the bottom ends of the clamping arms (26), and a rotating seat (1) is arranged above the integrated frame (3).

2. The fixing fixture for drilling holes in an automobile chassis according to claim 1, characterized in that: A stepper motor (14) is installed on the inner wall of the rotating seat (1), a worm (16) is installed on the output end of the stepper motor (14), and the worm (16) is movably connected to the rotating seat (1).

3. The fixing fixture for drilling holes in an automobile chassis according to claim 2, characterized in that: A movable shaft (15) is movably mounted inside the rotating seat (1) on one side of the worm (16), and the movable shaft (15) extends to the outside of the rotating seat (1).

4. The fixing fixture for drilling holes in an automobile chassis according to claim 3, characterized in that: A worm wheel (17) is mounted on the surface of the movable shaft (15), and the worm (16) and the worm wheel (17) are meshed with each other.

5. The fixing fixture for drilling holes in an automobile chassis according to claim 3, characterized in that: A support plate (18) is installed at the bottom end of the movable shaft (15), and the support plate (18) is fixedly connected to the movable shaft (15).

6. The fixing fixture for drilling holes in an automobile chassis according to claim 5, characterized in that: A rotating plate (2) is installed at the bottom end of the support plate (18), a linkage shaft (20) is installed on the side of the rotating plate (2) close to the support plate (18), and the rotating plate (2) is movably connected to the support plate (18) through the linkage shaft (20), and the rotating plate (2) is connected to the integrated frame (3).

7. The fixing fixture for drilling holes in an automobile chassis according to claim 5, characterized in that: An electric push rod (19) is movably mounted on the side wall of the support plate (18), and a push arm (21) is mounted on the output end of the electric push rod (19).

8. The fixing fixture for drilling holes in an automobile chassis according to claim 7, characterized in that: A hinge shaft (22) is movably mounted on one end of the push arm (21) close to the rotating plate (2), and the push arm (21) is movably connected to the rotating plate (2) via the hinge shaft (22).

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