Electric vehicle rear axle machining device

By introducing a cleaning box and negative pressure system into the rear axle processing device of electric vehicles, the problem of dust and debris flying during the grinding process was solved, and a cleaner operating environment was achieved.

CN223353737UActive Publication Date: 2025-09-19HENAN BUBUXIAN POWER TECH CO LTD
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Patent Information

Application Number
CN202422793090.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-19
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Existing electric vehicle rear axle processing devices generate a large amount of dust and debris during the grinding process, resulting in a harmful working environment for operators.

Method used

A rear axle processing device for electric vehicles was designed, which included a workbench, a cleaning box, a filter plate and a negative pressure chamber. Through the cooperation of a limiting slide and a cleaning mechanism, the wind force generated by the fan blades was used to suck dust and debris into the cleaning box, and then filtered and removed through the filter plate and vibration to reduce airborne dispersion.

Benefits of technology

It effectively reduces the flying of dust and debris in the air, improves the air cleanliness of the operating environment, and protects the health of operators.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric vehicle rear axle machining device, which relates to the technical field of rear axle machining and comprises a workbench, a cleaning box is fixedly connected to the bottom of the workbench, a through groove is formed in the workbench, two filter plates which are symmetrical front and back are fixedly connected in the cleaning box, and the cleaning box is divided into a collecting cavity and a negative pressure cavity by the two filter plates. A partition plate is fixedly connected into the negative pressure cavity and located at the ends, close to each other, of the two filter plates, two limiting sliding plates are arranged at the ends, away from the filter plates, of the partition plate, and the limiting sliding plates are in front-back sliding fit with the cleaning box. The device has the beneficial effects that wind generated by fan blades passes through the front end of the partition plate by pulling out the limiting sliding plate on the front side of the partition plate, dust and chippings generated during grinding are sucked into the cleaning box and stay on the filter plate on the front side of the partition plate, the rear limiting sliding plate is pulled out after use for a period of time, and the limiting sliding plate at the front end is pushed into the cleaning box, so that the wind passes through the rear side of the partition plate; dust and chippings flying in the air are reduced, and the air cleaning degree of the operation environment is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rear axle processing, in particular to a rear axle processing device for an electric vehicle. Background Art

[0002] The rear axle refers to the rear drive shaft component of the vehicle's power transmission. It consists of two half-bridges and can implement half-bridge differential movement. It is also a device used to support the wheels and connect the rear wheels.

[0003] After searching, the Chinese patent publication number is CN219649524U, which discloses an all-round grinding device for processing the rear axle of an electric vehicle. This patent uses a mounting seat to drive the grinding disc to rotate, and activates the telescopic drive member to drive the grinding disc down to the surface of the rear axle to grind the rear axle. There are certain problems with this device: a large amount of dust and debris will be generated during grinding and fly in the air, resulting in a working environment that is harmful to the health of the operator. Utility Model Content

[0004] The purpose of the present utility model is to provide an electric vehicle rear axle processing device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] The cleaning mechanism is configured to move the cleaning agent to the cleaning surface of the cleaning agent, and the cleaning agent is configured to move the cleaning agent to the cleaning surface of the cleaning agent.

[0007] Preferably, the grinding assembly includes a fixed frame, which is fixedly connected to the top of the workbench, a lifting screw rod is rotatably connected inside the fixed frame, a lifting motor is fixedly connected to the top of the fixed frame, the output shaft of the lifting motor is fixedly connected to the lifting screw rod, a lifting plate is threadedly connected to the lifting screw rod, a bracket is fixedly connected to the front end of the lifting plate, a moving assembly is provided in the bracket, and a grinder is provided under the moving assembly.

[0008] Preferably, a symmetrical fixed plate is fixedly connected to the top of the workbench, and a clamping assembly is provided on the side of the fixed plates close to each other. The clamping assembly includes a clamping disk, a symmetrical clamping disk coaxial line, a plurality of clamping blocks slidably connected to the clamping disk, and a plurality of clamping blocks are fixedly connected to a clamping spring on the axial side close to the clamping disk. The clamping disk has a threaded groove along the circumference, and an auxiliary wheel is threadedly connected to the clamping disk.

[0009] Preferably, the cleaning mechanism includes a protrusion, which is fixedly connected to the side of the filter plate away from the through groove, the front end of the cleaning box is slidably connected to a sliding rod, the front end of the sliding rod is fixedly connected to a limiting block, the rear end of the limiting block is fixedly connected to a return spring, the return spring is fixedly connected to the front end of the cleaning box, the rear end of the sliding rod is fixedly connected to a moving block, a side of the moving block close to the filter plate is fixedly connected to multiple scraping plates, and the bottom of the cleaning box is slidably connected to a dust collection box, and the dust collection box is located on the side of the filter plate away from the moving block.

[0010] Preferably, the negative pressure mechanism includes a fan motor, the fan motor is fixedly connected to one side of the cleaning box, and the output shaft of the fan motor is fixedly connected to the fan blade.

[0011] Preferably, the top of the workbench is fixedly connected to an auxiliary frame, the auxiliary frame is fixedly connected to a flipping motor, the output shaft of the flipping motor is fixedly connected to a driving gear, and a clamping disk on one side is fixedly connected to a driven gear, and the driven gear is meshed with the driving gear.

[0012] The beneficial effect is: pulling out the limiting slide plate on the front side of the partition allows the wind generated by the fan blades to pass through the front end of the partition, sucking the dust and debris during grinding into the cleaning box and staying on the filter plate on the front side of the partition. After using it for a period of time, pulling out the limiting slide plate at the rear and pushing the limiting slide plate at the front into the cleaning box allows the wind to pass through the rear of the partition, so that the debris and dust generated during the processing enter the cleaning box with the airflow, reducing the dust and debris flying in the air, and improving the air cleanliness of the operating environment.

[0013] Additional technical features and advantages of the present invention will be more clearly explained in the following description, or can be understood through specific practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a three-dimensional diagram of an electric vehicle rear axle processing device according to the present utility model;

[0016] Figure 2 This is a front view of an electric vehicle rear axle processing device according to the present invention;

[0017] Figure 3 This is a partial cross-sectional view of the mechanism of the electric vehicle rear axle processing device described in the utility model;

[0018] Figure 4 This is a sectional perspective view of an electric vehicle rear axle processing device according to the present invention;

[0019] Figure 5 yes Figure 4 A magnified view of point A;

[0020] Figure 6 It is a cross-sectional view of a cleaning box of an electric vehicle rear axle processing device described in the utility model.

[0021] The accompanying drawings are described as follows: 101, workbench; 102, cleaning box; 103, fixed frame; 2, lifting plate; 301, bracket; 302, grinder; 401, fixed plate; 402, clamping assembly; 403, auxiliary wheel; 501, partition; 502, filter plate; 503, limiting slide plate; 504, bump; 601, sliding rod; 602, limiting block; 603, return spring; 604, moving block; 605, scraper plate; 701, flip motor; 702, driving gear; 703, driven gear; 8, fan blade; 9, dust box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0024] The present invention will be further described below with reference to the accompanying drawings:

[0025] like Figures 1-6As shown, a rear axle processing device for an electric vehicle includes a workbench 101, a cleaning box 102 is fixedly connected to the bottom of the workbench 101, a through slot is opened on the workbench 101, a grinding assembly is provided above the through slot, and the through slot is communicated with the cleaning box 102, and two filter plates 502 are fixedly connected to the cleaning box 102 with a front-to-back symmetrical arrangement. The filter plates 502 are vertical plates, and the two filter plates 502 separate the cleaning box 102 into a collecting chamber and a negative pressure chamber. The collecting chamber is communicated with the through slot, and a partition 501 is fixedly connected to the negative pressure chamber. The partition 501 and the filter plates 502 are perpendicular to each other, and the partition 501 is located at one end where the two filter plates 502 are close to each other. Two limiting slides 503 are provided at one end of the partition 501 away from the filter plate 502, and the two limiting slides 503 are symmetrically distributed on both sides of the partition 501 front and back, and the limiting slides 503 are parallel to the filter plates 502. The limiting slides 503 and the cleaning box 102 slide together front and back. Initially, one of the limiting slides 5 03 and partition 501 are away from each other, and the other limiting slide 503 abuts against the partition 501. A cleaning mechanism is provided between the limiting slide 503 and the filter plate 502 on the same side of the partition 501. The cleaning mechanism is used to vibrate the filter plate 502 on the same side when the limiting slide 503 abuts against the partition 501, and the cleaning mechanism is used to vibrate the filter plate 502 on the same side to shake off the debris on the filter plate 502, pull out the limiting slide 503 on the front side of the partition 501, so that the wind generated by the fan blades 8 passes through the front end of the partition 501, and sucks the dust and debris generated during grinding into the cleaning box 102. The dust and debris are filtered and stay on the filter plate 502 on the front side of the partition 501. After using for a period of time, the limiting slide 503 at the rear is pulled out and the limiting slide 503 at the front is pushed into the cleaning box 102, so that the wind passes through the rear of the partition 501, so that the dust and debris generated during the processing enter the cleaning box 102 with the airflow, reducing the dust and debris flying in the air and improving the air cleanliness of the operating environment.

[0026] A lifting screw is rotatably connected inside the fixed frame 103, and a lifting motor is connected to the top of the fixed frame 103 by bolts. The output shaft of the lifting motor is fixedly connected to the lifting screw, and a lifting plate 2 is threadedly connected to the lifting screw. The front end of the lifting plate 2 is fixedly connected to the bracket 301. A moving component is provided in the bracket 301, and a grinder 302 is provided under the moving component. The lifting motor drives the lifting screw to rotate, so that the lifting plate 2 moves on the lifting screw, drives the bracket 301 to descend, and makes the grinder 302 contact the surface of the rear axle for grinding.

[0027] A symmetrical fixed plate 401 is fixedly connected to the top of the workbench 101, and a clamping assembly 402 is provided on the side of the fixed plates 401 close to each other. The clamping assembly 402 includes a clamping disk, symmetrical clamping disks are coaxial, and the clamping disk is slidably connected to a plurality of clamping blocks, and the plurality of clamping blocks are fixedly connected to a clamping spring on the axial side close to the clamping disk. The clamping disk has a threaded groove along the circumference, and an auxiliary wheel 403 is threadedly connected to the clamping disk. The two ends of the rear axle are placed at a position where the plurality of clamping blocks are close to the axial direction of the clamping disk, and then the auxiliary wheel 403 is rotated to make the auxiliary wheels 403 move toward each other on the clamping disk. The auxiliary wheel 403 abuts and squeezes the clamping block, so that the clamping spring is deformed and drives the clamping block to move toward the side close to the axial direction of the clamping disk to clamp the two ends of the rear axle.

[0028] The cleaning mechanism includes a protrusion 504, which is fixedly connected to the side of the filter plate 502 away from the through groove. The front end of the cleaning box 102 is slidably connected to a sliding rod 601, the front end of the sliding rod 601 is fixedly connected to a limiting block 602, the rear end of the limiting block 602 is fixedly connected to a return spring 603, the return spring 603 is fixedly connected to the front end of the cleaning box 102, the rear end of the sliding rod 601 is fixedly connected to a moving block 604, and the side of the moving block 604 close to the filter plate 502 is fixedly connected to multiple scraping plates 605. The bottom of the cleaning box 102 is slidably connected to a dust box 9. 9 is located on the side of the filter plate 502 away from the moving block 604, pushing the limit block 602, so that the limit block 602 drives the sliding rod 601 to slide with the cleaning box 102, causing the return spring 603 to be compressed and deformed, and the sliding rod 601 drives the moving block 604 to move, so that the moving block 604 drives the scraper plate 605 to squeeze the protrusion 504, and pushes the sliding rod 601 back and forth, so that the scraper plate 605 squeezes the protrusion 504 multiple times, so that the protrusion 504 drives the filter plate 502 to deform and then recover the deformation, causing the filter plate 502 to vibrate to a certain extent and shake the debris and dust into the dust collection box 9.

[0029] The negative pressure mechanism includes a fan motor, which is fixedly connected to one side of the cleaning box 102 , and the output shaft of the fan motor is fixedly connected to the fan blade 8 .

[0030] An auxiliary frame is fixedly connected to the top of the workbench 101, and the auxiliary frame is fixedly connected to a flipping motor 701. The output shaft of the flipping motor 701 is fixedly connected to a driving gear 702. A clamping disk on one side is fixedly connected to a driven gear 703. The driven gear 703 is engaged with the driving gear 702. After one side is polished, the flipping motor 701 drives the driving gear 702 to rotate, and the driving gear 702 engages with the driven gear 703 to drive the clamping disk to rotate, thereby flipping the rear axle for polishing.

[0031] Working principle: When in use, place the two ends of the rear axle on the position where multiple clamping blocks are close to the axial direction of the clamping disk, then rotate the auxiliary wheel 403 to make the auxiliary wheel 403 move toward each other on the clamping disk, and the auxiliary wheel 403 abuts and squeezes the clamping block, causing the clamping spring to deform and drive the clamping block to move toward one side close to the axial direction of the clamping disk to clamp the two ends of the rear axle, and then the lifting motor drives the lifting screw to rotate, so that the lifting plate 2 moves on the lifting screw, driving the bracket 301 to descend, so that the grinder 302 contacts the surface of the rear axle for grinding, and after one side grinding is completed, the flipping motor 701 drives the active gear 702 to rotate, and the active gear 702 engages the driven gear 703 to drive the clamping disk to rotate, and the rear axle is turned over for grinding, and the limiting slide 503 on the front side of the partition 501 is pulled out, so that the wind generated by the fan blade 8 passes through the front end of the partition 501, and the dust and debris during grinding are sucked into the cleaning box 1 02, the dust and debris are filtered and stay on the filter plate 502 on the front side of the partition 501. After a period of use, the rear limiting slide 503 is pulled out and the front limiting slide 503 is pushed into the cleaning box 102, so that the wind passes through the rear of the partition 501. Then the staff pushes the limiting block 602, so that the limiting block 602 drives the sliding rod 601 to slide with the cleaning box 102, causing the return spring 603 to be compressed and deformed, and the sliding rod 601 drives the moving block 604 to move, so that the moving block 604 drives the scraper 605 to squeeze the protrusion 504, and pushes the sliding rod 601 back and forth, so that the scraper 605 squeezes the protrusion 504 many times, so that the protrusion 504 drives the filter plate 502 to deform and then recover the deformation, causing the filter plate 502 to vibrate to a certain extent and shake the debris and dust into the dust collection box 9, avoiding the influence of wind force when cleaning the dust, causing the dust to continue to adhere to the filter plate 502.

[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A rear axle processing device for an electric vehicle, comprising a workbench (101), wherein a cleaning box (102) is fixedly connected to the bottom of the workbench (101), characterized in that: A through slot is provided on the workbench (101), a grinding assembly is provided above the through slot, the through slot is communicated with the inside of the cleaning box (102), two filter plates (502) symmetrically arranged front and back are fixedly connected in the cleaning box (102), the filter plates (502) are vertical plates, the two filter plates (502) separate the cleaning box (102) into a collection chamber and a negative pressure chamber, the collection chamber is communicated with the through slot, a partition (501) is fixedly connected in the negative pressure chamber, the partition (501) and the filter plate (502) are perpendicular, the partition (501) is located at one end where the two filter plates (502) are close to each other, and two limiting slides (503) are provided at one end of the partition (501) away from the filter plate (502), the two limiting slides The plates (503) are symmetrically distributed on both sides of the partition (501) in front and back directions. The limiting slide (503) and the filter plate (502) are parallel. The limiting slide (503) and the cleaning box (102) slide together in front and back directions. Initially, one of the limiting slides (503) and the partition (501) is away from each other, and the other limiting slide (503) and the partition (501) are in contact with each other. A cleaning mechanism is provided between the limiting slide (503) and the filter plate (502) on the same side of the partition (501). The cleaning mechanism is used to vibrate the filter plate (502) on the same side when the limiting slide (503) and the partition (501) are in contact with each other, so as to shake off the debris on the filter plate (502); A negative pressure mechanism is provided on the side of the limiting slide plate (503) away from the filter plate (502), and the negative pressure mechanism is used to generate negative pressure in the negative pressure chamber.

2. The electric vehicle rear axle processing device according to claim 1, characterized in that: The grinding assembly comprises a fixed frame (103), the fixed frame (103) is fixedly connected to the top of the workbench (101), a lifting screw is rotatably connected inside the fixed frame (103), a lifting motor is fixedly connected to the top of the fixed frame (103), the output shaft of the lifting motor is fixedly connected to the lifting screw, a lifting plate (2) is threadedly connected to the lifting screw, a front end of the lifting plate (2) is fixedly connected to a bracket (301), a moving assembly is arranged inside the bracket (301), and a grinder (302) is arranged below the moving assembly.

3. The electric vehicle rear axle processing device according to claim 1, characterized in that: A symmetrical fixed plate (401) is fixedly connected to the top of the workbench (101), and a clamping assembly (402) is provided on the side of the fixed plates (401) close to each other. The clamping assembly (402) includes a clamping disk, and the symmetrical clamping disks are coaxial. The clamping disk is slidably connected to a plurality of clamping blocks, and the plurality of clamping blocks are fixedly connected to a clamping spring on the axial side close to the clamping disk. The clamping disk has a threaded groove along the circumference, and an auxiliary wheel (403) is threadedly connected to the clamping disk.

4. The electric vehicle rear axle processing device according to claim 1, characterized in that: The cleaning mechanism comprises a protrusion (504), the protrusion (504) being fixedly connected to a side of the filter plate (502) away from the through groove, the front end of the cleaning box (102) being slidably connected to a sliding rod (601), the front end of the sliding rod (601) being fixedly connected to a limiting block (602), the rear end of the limiting block (602) being fixedly connected to a return spring (603), the return spring (603) being fixedly connected to the front end of the cleaning box (102), the rear end of the sliding rod (601) being fixedly connected to a moving block (604), the side of the moving block (604) close to the filter plate (502) being fixedly connected to a plurality of scraping plates (605), the bottom of the cleaning box (102) being slidably connected to a dust collecting box (9), the dust collecting box (9) being located on a side of the filter plate (502) away from the moving block (604).

5. The electric vehicle rear axle processing device according to claim 1, characterized in that: The negative pressure mechanism comprises a fan motor, the fan motor is fixedly connected to one side of the cleaning box (102), and the output shaft of the fan motor is fixedly connected to a fan blade (8).

6. The electric vehicle rear axle processing device according to claim 3, characterized in that: The top of the workbench (101) is fixedly connected to an auxiliary frame, the auxiliary frame is fixedly connected to a flipping motor (701), the output shaft of the flipping motor (701) is fixedly connected to a driving gear (702), and the clamping disk on one side is fixedly connected to a driven gear (703), and the driven gear (703) is meshed with the driving gear (702).

Citation Information

Patent Citations

  • All-dimensional grinding device for electric vehicle rear axle machining

    CN219649524U