Clamping rotating shaft for machining automobile steering device

Abstract

The utility model relates to the field of automobile steering device machining, and discloses a clamping rotating shaft for automobile steering device machining, which comprises a base, a supporting frame fixedly connected to the upper end of the base, a rotating hole formed in the center of the supporting frame, and a fixed rotating drum rotationally connected in the rotating hole. U-shaped frames arranged in an annular array are fixedly connected to the two ends in the fixed rotary drum, gears are rotationally connected into the U-shaped frames, fixed clamping arms are fixedly connected to one ends of the gears, racks extending into the U-shaped frames and meshed with the gears are slidably connected into the fixed rotary drum, and the ends, extending out of the fixed rotary drum, of the racks are fixedly connected with adjusting rings; and a fixing mechanism matched with the adjusting ring is arranged on the fixed rotating drum. Compared with the prior art, the automobile steering gear shaft body clamping device has the advantages that an automobile steering gear shaft body can be effectively clamped, the angle of the clamped shaft body can be conveniently adjusted, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile steering gear processing, in particular to a clamping shaft for automobile steering gear processing. Background Art

[0002] The automotive steering gear is a chassis part of the car, with a thin wall thickness and high dimensional accuracy requirements. The automotive steering gear is a link between the steering wheel and the bridge of the car, and can smoothly and accurately transmit the direction of the steering wheel to the bridge and wheels of the car. Due to the high requirements for dimensional accuracy and processing consistency of this type of product, its quality has a direct impact on the straight-line driving and handling stability of the car. The main body of the automotive steering gear is in the shape of a long rod, and it needs to be punched, ground, and polished during the production process. However, the existing clamping device still uses conventional positioning and up and down clamping methods for fixing. It is not convenient to adjust its angle after fixing, which greatly affects the processing efficiency. Utility Model Content

[0003] (I) Technical Problems Solved: The existing automobile steering gear clamp is not convenient for adjusting the processing angle after clamping the automobile steering gear, which greatly affects the processing efficiency.

[0004] (II) Technical solution

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is: a clamping shaft for automobile steering gear processing, comprising a base, a support frame is fixedly connected to the upper end of the base, a rotation hole is provided in the center of the support frame, a fixed rotating cylinder is rotatably connected in the rotation hole, a rotating mechanism for driving the fixed rotating cylinder to rotate is provided on the support frame, U-shaped frames arranged along a circular array are fixedly connected at both ends of the fixed rotating cylinder, gears are rotatably connected in the U-shaped frames, one end of the gears is fixedly connected to a fixed clamping arm, a rack extending into the U-shaped frame and meshing with the gear is slidably connected in the fixed rotating cylinder, the rack extends to one end outside the fixed rotating cylinder and is fixedly connected to an adjusting ring, and a fixing mechanism cooperating with the adjusting ring is provided on the fixed rotating cylinder.

[0006] As an improvement, the rotating mechanism includes a driven pulley fixedly sleeved on the outer wall of the fixed rotating drum, the lower end of the support frame is rotatably connected to a driving pulley, one side of the support frame is fixedly connected to a motor that drives the driving pulley to rotate, and a transmission belt is provided between the driving pulley and the driven pulley.

[0007] As an improvement, the fixing mechanism includes adjusting screws threadedly connected to both sides of the adjusting ring, and both ends of the fixed rotating cylinder are fixedly connected with fixed retaining rings, and the fixed retaining rings are provided with screw holes that cooperate with the adjusting screws.

[0008] As an improvement, one side of the adjustment ring is fixedly connected to a limiting sliding rod, and the fixed retaining ring is provided with a limiting sliding hole that cooperates with the limiting sliding rod.

[0009] As an improvement, a limiting sliding ring is fixedly sleeved on the outer wall of the fixed rotating cylinder, and an annular rotating groove cooperating with the limiting sliding ring is provided in the rotating hole.

[0010] As an improvement, the end of the fixed clamp arm away from the gear is provided with anti-slip grooves.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model has the following advantages: the automobile steering gear shaft is inserted into the fixed rotating drum, and the fixed clamping arm can be driven to swing to clamp the outer wall of the automobile steering gear through the rack and the gear, and the angle of the fixed clamping arm can be fixed by the fixing mechanism to achieve the clamping and fixing of the automobile steering gear. When the angle of the automobile steering gear needs to be adjusted, the rotating mechanism is started to drive the fixed rotating drum to drive the automobile steering gear to rotate, thereby greatly improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model discloses an exploded view of a clamping shaft for machining an automobile steering gear.

[0014] Figure 2 The utility model is a schematic diagram of a clamping shaft structure for machining an automobile steering gear.

[0015] Figure 3 The utility model is a cross-sectional view of a clamping shaft for machining an automobile steering gear.

[0016] As shown in the figure: 1. Base; 2. Support frame; 3. Rotating hole; 4. Fixed rotating drum; 5. U-shaped frame; 6. Gear; 7. Fixed clamping arm; 8. Adjusting ring; 9. Rack; 10. Fixed retaining ring; 11. Motor; 12. Driving pulley; 13. Driven pulley; 14. Transmission belt; 15. Adjusting screw; 16. Annular rotating groove; 17. Limit sliding ring; 18. Limit sliding rod. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] like Figures 1 to 3As shown, a clamping shaft for automobile steering gear processing includes a base 1, a support frame 2 is fixedly connected to the upper end of the base 1, a rotation hole 3 is provided in the center of the support frame 2, a fixed rotating cylinder 4 is rotatably connected in the rotation hole 3, a limiting sliding ring 17 is fixedly sleeved on the outer wall of the fixed rotating cylinder 4, an annular rotating groove 16 cooperating with the limiting sliding ring 17 is provided in the rotation hole 3, a rotating mechanism for driving the fixed rotating cylinder 4 to rotate is provided on the support frame 2, the rotating mechanism includes a driven pulley 13 fixedly sleeved on the outer wall of the fixed rotating cylinder 4, a driving pulley 12 is rotatably connected to the lower end of the support frame 2, a motor 11 for driving the driving pulley 12 to rotate is fixedly connected to one side of the support frame 2, and a transmission belt 14 is provided between the driving pulley 12 and the driven pulley 13.

[0019] The two ends of the fixed rotating cylinder 4 are fixedly connected with U-shaped frames 5 arranged along the annular array, and the U-shaped frames 5 are rotatably connected with gears 6. One end of the gear 6 is fixedly connected with a fixed clamping arm 7, and the end of the fixed clamping arm 7 away from the gear 6 is provided with anti-slip grooves. The fixed rotating cylinder is slidably connected with a rack 9 extending into the U-shaped frame 5 and meshing with the gear 6. The rack 9 extends to the outside of the fixed rotating cylinder 4 and is fixedly connected with an adjusting ring 8. The fixed rotating cylinder 4 is provided with a fixing mechanism that cooperates with the adjusting ring 8. The fixing mechanism includes an adjusting screw 15 threadedly connected to both sides of the adjusting ring 8. Both ends of the fixed rotating cylinder 4 are fixedly connected with a fixed retaining ring 10, and the fixed retaining ring 10 is provided with a screw hole that cooperates with the adjusting screw 15. One side of the adjusting ring 8 is fixedly connected with a limiting sliding rod 18, and the fixed retaining ring 10 is provided with a limiting sliding hole that cooperates with the limiting sliding rod 18.

[0020] The adjusting screws 15 on both sides are screwed into the screw holes on both sides, so that the position of the adjusting screws 15 on both sides can be fixed, so that the fixing clamping arms 7 cannot swing again, and the steering gear shaft body can be fixed at the axial center position in the fixed drum 4. The starting motor 11 drives the driving pulley 12 to rotate, and the driving pulley 12 drives the driven pulley 13 to rotate through the transmission belt 14, and the driven pulley 13 drives the fixed drum 4 to rotate, so as to realize driving the steering gear shaft body of the automobile to rotate, which is convenient for drilling, polishing and grinding.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0023] The above describes the utility model and its implementation methods, which are not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and do not deviate from the purpose of the invention of the utility model, they can creatively design a structure and embodiment similar to the technical solution, which should belong to the protection scope of the utility model.

Claims

1. A clamping shaft for automobile steering gear processing, comprising a base (1), the upper end of the base (1) is fixedly connected to a support frame (2), the center of the support frame (2) is provided with a rotating hole (3), the rotating hole (3) is rotatably connected to a fixed rotating cylinder (4), characterized in that: The support frame (2) is provided with a rotating mechanism for driving the fixed rotating drum (4) to rotate; both ends of the fixed rotating drum (4) are fixedly connected with U-shaped frames (5) arranged along a ring array; a gear (6) is rotatably connected inside the U-shaped frame (5); one end of the gear (6) is fixedly connected with a fixed clamp arm (7); a rack (9) extending into the U-shaped frame (5) and meshing with the gear (6) is slidably connected inside the fixed rotating drum (4); one end of the rack (9) extending outside the fixed rotating drum (4) is fixedly connected with an adjustment ring (8); and a fixing mechanism cooperating with the adjustment ring (8) is provided on the fixed rotating drum (4).

2. The clamping shaft for automobile steering gear processing according to claim 1, characterized in that: The rotating mechanism comprises a driven pulley (13) fixedly sleeved on the outer wall of the fixed rotating drum (4); the lower end of the support frame (2) is rotatably connected to a driving pulley (12); one side of the support frame (2) is fixedly connected to a motor (11) for driving the driving pulley (12) to rotate; a transmission belt (14) is provided between the driving pulley (12) and the driven pulley (13).

3. The clamping shaft for automobile steering gear processing according to claim 1, characterized in that: The fixing mechanism comprises an adjusting screw (15) threadedly connected to both sides of the adjusting ring (8), and both ends of the fixed rotating cylinder (4) are fixedly connected to a fixing retaining ring (10), and the fixing retaining ring (10) is provided with a screw hole matching the adjusting screw (15).

4. The clamping shaft for machining an automobile steering gear according to claim 3, characterized in that: One side of the adjustment ring (8) is fixedly connected to a limit slide rod (18), and the fixed retaining ring (10) is provided with a limit slide hole that cooperates with the limit slide rod (18).

5. The clamping shaft for automobile steering gear processing according to claim 1, characterized in that: The outer wall of the fixed rotating cylinder (4) is fixedly sleeved with a limit sliding ring (17), and the rotating hole (3) is provided with an annular rotating groove (16) that cooperates with the limit sliding ring (17).

6. The clamping shaft for automobile steering gear processing according to claim 1, characterized in that: The fixed clamp arm (7) is provided with anti-slip grooves at one end away from the gear (6).

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