Polishing device for automobile steering column
By designing a vehicle steering column grinding device including cylinders, rotating devices, protective covers and dust collecting devices, the problem of welding seams affecting assembly and aesthetics after welding is solved, the grinding efficiency and finished product quality are improved, and dust pollution is reduced.
Patent Information
- Application Number
- CN202421787680.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-26
AI Technical Summary
After welding, the automobile steering pipe string often produces welds or bumps, affecting the assembly and aesthetics. At the same time, the drum body needs to be manually flipped during the grinding process, which is prone to over-grinding and a large amount of dust is generated without effective barriers.
An automobile steering column grinding device is designed, including a base, feet, cylinder, rotating device, protective cover, grinding motor and dust collecting device. The device pushes the protective cover through the cylinder, aligns the grinding disc at the welding point, and fixes the pipe string through the rotating device to ensure stable rotation and grinding, while the dust collecting device collects dust.
It effectively solves the problem of welding seams affecting assembly and aesthetics after welding, improves grinding efficiency and finished product quality, reduces dust pollution, and simplifies the grinding process.
Smart Images
Figure CN222818505U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of automobile accessory production parts, in particular to an automobile steering column grinding device. Background Art
[0002] The steering column is a steering column locking device, which is mainly composed of a locking rod, a camshaft, a lock block, an unlocking lever and an unlocking button. When the driver pulls out the key from the key tube, the steering column is locked by the locking rod. The car column is a component that transmits the steering angle and force of the car. During the production and processing of the car steering column, multiple parts are often processed step by step, and then the parts are connected by welding and bolting. When welding the car steering column tube, welds or protrusions are often produced after welding, which will have a certain impact on its assembly and the welds produced will often affect the overall appearance of the car column.
[0003] At present, in most small-scale automobile parts production factories, the grinding of automobile column barrel welds is mostly performed by workers using handheld grinders, and the automobile column barrel is manually turned over. Although this reduces production costs, the grinding efficiency depends largely on the proficiency of the workers. In addition, the automobile column barrel is a cylinder. Due to its certain curvature, problems such as over-grinding are prone to occur during the grinding process, which reduces the quality of the finished product. At the same time, a large amount of dust will be generated during the grinding process, and there is no device to block the dust, which is easy to be inhaled into the human body or dispersed.
[0004] A vehicle steering column grinding device is proposed to solve the problem mentioned in the above background technology that welding often produces welds or bulges, which will have a certain impact on its assembly and the welds produced often affect the overall aesthetics of the vehicle column. The vehicle column needs to be manually turned over during the grinding process, which is prone to over-grinding and other problems. At the same time, a large amount of dust will be generated during the grinding process, and there is no device to block the dust, so it is easy to be inhaled into the human body or dispersed. Utility Model Content
[0005] The purpose of the utility model is to provide a vehicle steering column grinding device to solve the problems that welding seams or bulges are often generated after welding at the current stage, which will have a certain impact on its assembly and the generated welds often affect the overall aesthetics of the vehicle column, and the vehicle column needs to be manually turned over during the grinding process, which is prone to excessive grinding. At the same time, a large amount of dust will be generated during the grinding process, and there is no device to block the dust, which is easy to be inhaled into the human body or dispersed. The technical solution adopted by the utility model is as follows:
[0006] A vehicle steering column grinding device comprises a base and a support foot, wherein the support foot is mounted at four corners of the lower end surface of the base, a left mounting plate and a right mounting plate are respectively mounted on the left and right sides of the upper end surface of the base, a cylinder is arranged on the right mounting plate, a rotating device is arranged on the left mounting plate, a fixing device is arranged on the rotating device, the vehicle steering column is mounted on the fixing device, the output shaft of the cylinder passes through the right mounting plate and is detachably provided with a protective cover, a grinding motor is mounted on the protective cover, and a grinding disc is clamped at one end of the grinding motor.
[0007] It is further defined that a semicircular groove is provided on the lower end face of the protective cover, sliders are provided on the lower end face of the protective cover on the front and rear sides of the semicircular groove, a dust collecting device is provided on the upper end face of the base, the dust collecting device is located between the left mounting plate and the right mounting plate, and slide grooves are provided on the front and rear sides of the upper end face of the dust collecting device, the size of the slider matches the size of the slide groove, the slider is slidably connected in the slide groove, and a dust collecting cavity is provided on the upper end face of the dust collecting device, and the width of the integrated cavity is greater than the diameter of the semicircular groove.
[0008] It is further defined that an integrated box is arranged in the dust collecting chamber, and a handle is arranged on the integrated box.
[0009] It is further defined that the rotating device includes a rotating motor and a rotating rod, the fixing device is a clamping chuck, the output shaft of the rotating motor is connected to the rotating rod, one end of the rotating rod passes through the left mounting plate and is installed with the clamping chuck.
[0010] It is further defined that the fixing device is a fixing cover, electric clamping rods are fixed on all four sides of the inner wall of the fixing cover, a clamping block is fixed on the inner side of the electric clamping rod, and the clamping block adopts an arc-shaped design.
[0011] It is further defined that one end of the grinding motor is rotatably connected to a connecting rod, one end of the grinding disc is clamped and fixed with a connecting pipe, the connecting pipe is provided with a connecting slot, and the connecting rod is clamped in the connecting slot.
[0012] The beneficial effects of the utility model compared with the current technology are:
[0013] 1. A protective cover can protect the surrounding area of the grinding disc during grinding to prevent grinding chips and dust from being inhaled into the human body or polluting the surrounding environment.
[0014] 2. A fixing device is provided to facilitate clamping of the steering column so that it is not easy to fall off during rotation.
[0015] 3. One end of the grinding motor is rotatably connected to a connecting rod, one end of the grinding disc is clamped and fixed with a connecting pipe, the connecting pipe is provided with a connecting slot, the connecting rod is clamped in the connecting slot, and grinding discs of different specifications can be selected according to different needs. The grinding disc is detachably connected through the connecting pipe and the connecting rod, which is convenient to use and replace. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a right-side stereoscopic schematic diagram of the utility model;
[0017] Figure 2 It is a left-side stereoscopic schematic diagram of the utility model;
[0018] Figure 3 It is a three-dimensional schematic diagram of the fixed cover in Embodiment 2 of the present utility model;
[0019] Figure 4 It is a three-dimensional schematic diagram of the connecting pipe and the connecting cover in the utility model.
[0020] The markings in the figure correspond respectively to: 1-base, 2-foot, 3-left mounting plate, 4-right mounting plate, 5-cylinder, 6-protective cover, 7-grinding motor, 8-grinding disc, 9-connecting rod, 10-connecting pipe, 11-connecting slot, 12-slider, 13-slide, 14-dust collecting chamber, 15-handle, 16-rotating motor, 17-rotating rod, 18-electric clamping rod, 19-clamping block. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the utility model, the technical solution of the utility model is further described below in conjunction with the accompanying drawings and embodiments. Example 1
[0022] like Figure 1 , Figure 2 and Figure 4As shown, a vehicle steering column grinding device includes a base 1 and a support foot 2, the support foot 2 is installed at the four corners of the lower end surface of the base 1, a left mounting plate 3 and a right mounting plate 4 are respectively installed on the left and right sides of the upper end surface of the base, a cylinder 5 is arranged on the right mounting plate 4, the output shaft of the cylinder 5 passes through the right mounting plate 4 and is detachably provided with a protective cover 6, a grinding motor 7 is installed on the protective cover 6, a grinding disc 8 is clamped at one end of the grinding motor 7, a connecting rod 9 is rotatably connected to one end of the grinding motor 7, a connecting pipe 10 is clamped and fixed at one end of the grinding disc 8, the connecting pipe 10 is provided with a connecting slot 11, the connecting rod 9 is clamped in the connecting slot 11, a semicircular groove is arranged on the lower end surface of the protective cover 6, sliders 12 are arranged on the lower end surface of the protective cover 6 on the front and rear sides of the semicircular groove, A dust collecting device is provided on the upper end surface, and the dust collecting device is located between the left mounting plate 3 and the right mounting plate 4. A slide groove 13 is provided on the front and rear sides of the upper end surface of the dust collecting device. The size of the slider 12 matches the size of the slide groove 13. The slider 12 is slidably connected and arranged in the slide groove 13. A dust collecting chamber 14 is provided on the upper end surface of the dust collecting device. The width of the integrated chamber 14 is larger than the diameter of the semicircular groove. An integrated box is provided in the dust collecting chamber 14, and a handle 15 is provided on the outside of the integrated box. A rotating device is provided on the left mounting plate 3, and the rotating device includes a rotating motor 16 and a rotating rod 17. The fixing device is a clamping chuck. The output shaft of the rotating motor 16 is connected to the rotating rod 17. One end of the rotating rod 17 passes through the left mounting plate 3 and is installed with a clamping chuck. The clamping chuck is a chuck commonly used in lathes on the market.
[0023] Embodiment 2;
[0024] like Figure 3 As shown, the difference between Example 2 and Example 1 is that the fixing device is a fixing cover, and electric clamping rods 18 are fixedly provided on the four sides of the inner wall of the fixing cover, and a clamping block 19 is fixed on the inner side of the electric clamping rod 18. The clamping block 19 adopts an arc-shaped design to clamp the steering column more closely.
[0025] When in use, use a fixed cover or a clamping chuck to clamp the steering column, the cylinder 5 moves, and the output shaft of the cylinder 5 pushes the protective cover 6 to the position to be processed. The slider 12 under the protective cover 6 moves in the slide groove 13. Different grinding discs 8 can be replaced as needed, and the grinding motor 7 is started. The grinding disc 8 rotates to grind the welding position to be polished. The protective cover 6 can protect the periphery of the grinding disc 8 during grinding to prevent grinding powder and dust from being inhaled into the human body or polluting the surrounding environment. The grinding powder and dust fall into the integrated box of the integrated cavity 14, and the integrated box can be pulled out by the handle 15 for cleaning. The rotating motor 16 is turned on as needed, and it can be rotated to the grinding position or rotated continuously to grind it for one circle.
[0026] In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0027] The above is a detailed introduction to an automobile steering column provided by the utility model. The description of the specific embodiment is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the utility model, several improvements and modifications can be made to the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.
Claims
1. A vehicle steering column grinding device, comprising a base (1) and a support foot (2), wherein the support foot (2) is mounted at four corners of the lower end surface of the base (1), and a left mounting plate (3) and a right mounting plate (4) are mounted on the left and right sides of the upper end surface of the base (1), respectively, characterized in that: A cylinder (5) is arranged on the right mounting plate (4), a rotating device is arranged on the left mounting plate (3), a fixing device is arranged on the rotating device, a steering column of the vehicle is mounted on the fixing device, an output shaft of the cylinder (5) passes through the right mounting plate (4) and is detachably provided with a protective cover (6), a grinding motor (7) is mounted on the protective cover (6), and a grinding disc (8) is clamped on one end of the grinding motor (7).
2. The automobile steering column grinding device according to claim 1, characterized in that: The lower end surface of the protective cover (6) is provided with a semicircular groove, and the lower end surface of the protective cover (6) is provided with sliders (12) on both sides of the semicircular groove. A dust collecting device is provided on the upper end surface of the base (1), and the dust collecting device is located between the left mounting plate (3) and the right mounting plate (4). The upper end surface of the dust collecting device is provided with slide grooves (13) on both sides of the front and rear ends, and the size of the slider (12) matches the size of the slide groove (13). The slider (12) is slidably connected and arranged in the slide groove (13). The upper end surface of the dust collecting device is provided with a dust collecting cavity (14), and the width of the dust collecting cavity (14) is greater than the diameter of the semicircular groove, and the height of the semicircular groove is higher than the height of the fixing device.
3. The automobile steering column grinding device according to claim 2, characterized in that: An integrated box is arranged in the dust collecting chamber (14), and a handle (15) is arranged on the integrated box.
4. The automobile steering column grinding device according to claim 1, characterized in that: The rotating device comprises a rotating motor (16) and a rotating rod (17); the fixing device is a clamping chuck; the output shaft of the rotating motor (16) is connected to the rotating rod (17); one end of the rotating rod (17) passes through the left mounting plate (3) and is mounted with the clamping chuck.
5. The automobile steering column grinding device according to claim 1, characterized in that: The fixing device is a fixing cover, and electric clamping rods (18) are fixed on all four sides of the inner wall of the fixing cover. A clamping block (19) is fixed on the inner side of the electric clamping rod (18), and the clamping block (19) adopts an arc-shaped design.
6. The automobile steering column grinding device according to any one of claims 1 to 5, characterized in that: One end of the grinding motor (7) is rotatably connected to a connecting rod (9), one end of the grinding disc (8) is clamped and fixed with a connecting pipe (10), the connecting pipe (10) is provided with a connecting slot (11), and the connecting rod (9) is clamped in the connecting slot (11).