CN215470397U - Brush auxiliary force rheological polishing equipment suitable for ball screw - Google Patents
Brush auxiliary force rheological polishing equipment suitable for ball screw Download PDFInfo
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- CN215470397U CN215470397U CN202121296211.6U CN202121296211U CN215470397U CN 215470397 U CN215470397 U CN 215470397U CN 202121296211 U CN202121296211 U CN 202121296211U CN 215470397 U CN215470397 U CN 215470397U
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- polishing
- ball screw
- brush
- rheological
- mounting base
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- 238000005498 polishing Methods 0.000 title claims abstract description 135
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000000284 extract Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A brush auxiliary force rheological polishing device suitable for a ball screw comprises a sliding support, a mounting base, a polishing device, a clamping device and a polishing liquid circulating device, wherein the sliding support can move horizontally and vertically and is used for controlling the polishing device to perform position adjustment and feeding motion; the mounting base is used for fixing the whole device, the polishing device drives the polishing head to rotate through the motor to polish the surface of the ball screw, and a brush tool on the polishing head can push the rheological polishing liquid into the threaded roller path of the workpiece; the clamping device is arranged on the base, one end of the clamping device clamps the ball screw by using the three-jaw chuck, and the other end of the clamping device is arranged on the rotating bracket and then is driven to rotate by the motor; the polishing solution circulating device extracts force rheological polishing solution from the mounting base through the diaphragm pump, injects the force rheological polishing solution into the hollow shaft, and finally flows out of the polishing head to polish the surface of the ball screw. The utility model can realize high-precision processing of the surface of the ball screw.
Description
Technical Field
The utility model relates to surface polishing equipment for a ball screw, in particular to brush auxiliary force rheological polishing equipment suitable for the ball screw.
Background
The ball screw is the most commonly used transmission element on tool machinery and precision machinery, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance.
At present, the ball screw is mainly processed by a grinding method. Analyzing from the processing mode, wherein in rough processing, the mode of grinding by using a grinding wheel is mainly used; in finishing, in foreign countries, in order to pursue better surface quality of the inner and outer raceways of the screw thread of the ball screw pair, some countries have mastered advanced grinding and even polishing technologies. However, China still mainly adopts a manual fine grinding mode. Therefore, as for the current research on the surface quality improvement of the ball screw pair, the processing technology, especially the technology in finishing, has great research potential.
The threaded raceways of ball screws are typically finished by grinding, except for smaller diameter ball screw sets. However, the ball screw has the characteristics of large length-diameter ratio, poor rigidity, complex mechanism shape, high surface thread requirement, steps, grooves and the like. So that the following main problems exist in the grinding process: 1) the workpiece is easy to deform; 2) lead errors, section errors and the like of the lead screw cannot be improved well; 3) the vibration and temperature rise generated in the grinding process can influence the surface quality.
Disclosure of Invention
The utility model provides a brush auxiliary force rheological polishing device suitable for a ball screw, which can realize high-precision machining on the surface of the ball screw and aims to overcome the problems in the conventional grinding process and realize high-precision surface machining of the ball screw.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a brush auxiliary force rheological polishing device suitable for a ball screw comprises a sliding support, a mounting base, a polishing device and a clamping device, wherein the sliding support is mounted at the upper part of the mounting base and can horizontally and vertically move so as to control the polishing device to perform position adjustment and feeding movement; the polishing device comprises a polishing motor, a shaft sleeve, a hollow shaft, a polishing head and a brush, wherein the polishing motor is fixed on the sliding support, an output shaft of the polishing motor is connected with the hollow shaft through the shaft sleeve, the polishing head is installed at the end part of the hollow shaft, the brush is arranged on the polishing head, and a polishing solution feed port is formed in the shaft sleeve; the clamping device comprises a clamping motor, a three-jaw chuck and a rotating support, the three-jaw chuck is mounted on an output shaft of the clamping motor, the clamping motor and the rotating support are mounted on two sides of the bottom of the mounting base, a station for mounting a ball screw to be polished is arranged between the three-jaw chuck and the rotating support, and the polishing head is located above the station.
Further, the installation base is connected with the clamping device and the sliding support through screws, the effect of fixing and stabilizing the whole device is achieved, and the installation base is provided with a storage bin used for storing the force rheological polishing liquid and used for recovering the force rheological polishing liquid flowing down from the hairbrush.
The polishing head is internally designed with multiple channels, so that the mechanical rheological polishing liquid can be uniformly distributed on the brush, and the brush can push the mechanical rheological polishing liquid into the inner raceway of the ball screw thread to polish the ball screw at high consistency.
The clamping device comprises a three-jaw chuck, a rotating support and a clamping device, wherein the three-jaw chuck is used for clamping one end of a ball screw, and the rotating support is used for positioning to prevent a workpiece from deforming; during polishing, the clamping motor drives the three-jaw chuck to rotate, so that the surface of the ball screw is in full and uniform contact with the hairbrush.
The ball screw force rheological polishing device further comprises a polishing solution circulating device, wherein the polishing solution circulating device is composed of a polishing solution, a pipeline, a diaphragm pump and a flexible hose, the diaphragm pump extracts the force rheological polishing solution from a storage bin of the mounting base through the pipeline, injects the force rheological polishing solution into the shaft sleeve through the flexible hose, finally flows out of the polishing head and returns to the storage bin of the mounting base, and the force rheological polishing solution can be recycled.
The sliding support can move in the horizontal position and the vertical position; the feeding in the horizontal and vertical directions can be controlled by a computer; during polishing, uniform feeding and reciprocating motion in the horizontal direction can be set, and high-quality polishing can be performed on the surface of the ball screw.
In contrast to grinding, the rheo-polishing has the following advantages: 1) belongs to a flexible processing mode, the quality of the processed surface is good, and the material deterioration layer is small; 2) the machining application range is wide, and various types of surfaces such as complex curved surfaces, hole walls and the like can be machined; 3) the processing efficiency is high; 4) the mechanical rheological polishing solution is simple to prepare and low in cost; 5) colloidal particles in the base liquid of the force rheological polishing liquid have good dispersion and lifting effects on abrasive particles, and the dispersibility of the abrasive particles in the force rheological polishing liquid is good; 6) the requirement on processing equipment is low.
The utility model has the following beneficial effects: 1. the position of the polishing head can be freely adjusted, and the polishing of ball screws of different models is realized. 2. Can realize pressing from both sides tight and the location to ball, prevent the radial runout and the deformation of ball among the polishing process. 3. Can realize the cyclic utilization of the polishing solution and reduce the environmental pollution and the personnel operation. 4. A brush tool is introduced, so that the mechanical rheological polishing liquid can be pushed into the ball screw thread rolling path, and the polishing of the inner part of the workpiece rolling path is facilitated.
Drawings
Fig. 1 is a structural view of a brush-assisted force rheology polishing apparatus suitable for a ball screw.
FIG. 2 is a schematic view of a hollow shaft and a polishing head.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, a brush auxiliary force rheological polishing device suitable for a ball screw comprises a sliding support 1, a mounting base 2, a clamping device (consisting of a clamping motor 3, a three-jaw chuck 4 and a support 6), a polishing liquid circulating device (consisting of a force rheological polishing liquid 5, a diaphragm pump 8, a pipeline 7 and a flexible hose 10) and a polishing device (consisting of a polishing motor 9, a shaft sleeve 11, a hollow shaft 12, a polishing head 13 and a brush 14).
The upper part of the mounting base 2 is provided with a sliding support 1, and the sliding support 1 can move horizontally and vertically and is used for controlling the polishing device to perform position adjustment and feed motion; the polishing device comprises a polishing motor 9, a shaft sleeve 11, a hollow shaft 12, a polishing head 13 and a brush 14, wherein the polishing motor 9 is fixed on the sliding support 1, an output shaft of the polishing motor 9 is connected with the hollow shaft 12 through the shaft sleeve 11, the polishing head 13 is installed at the end part of the hollow shaft 12, the brush 14 is arranged on the polishing head 13, and a polishing solution feed port is formed in the shaft sleeve 11; clamping device is including pressing from both sides tight motor 3, three-jaw chuck 4 and runing rest 6, install three-jaw chuck 4 on the output shaft of pressing from both sides tight motor 3, press from both sides tight motor 3 and runing rest 6 and install the bottom both sides at installation base 2, for the station that supplies the ball 15 installation of treating the polishing between three-jaw chuck 4 and the runing rest 6, polishing head 13 is located the station top.
The mounting base 2 is used for fixing the whole device, and a storage bin for storing the rheological polishing liquid 5 is arranged in the mounting base; the polishing device drives a polishing head 13 to rotate through a polishing motor 9, and polishes the surface of a ball screw 15 by using a hairbrush 14; the clamping device is arranged on the mounting base 2, one end of the clamping device clamps the ball screw 15 by using the three-jaw chuck 4, the other end of the clamping device is positioned by using the rotating bracket 6, and then the clamping device is driven to rotate by the clamping motor 3; the polishing solution circulating device adopts a diaphragm pump 8 to extract rheological polishing solution 5 through a pipeline 7, the rheological polishing solution is injected into a shaft sleeve 11 and a hollow shaft 12 through a flexible hose 10, and finally the rheological polishing solution flows out of a polishing head 13 to polish a ball screw 15.
The sliding support 1 can move in the horizontal position and the vertical position; the feeding in the horizontal and vertical directions can be controlled by a computer; during polishing, uniform feeding and reciprocating motion in the horizontal direction can be set, and high-quality polishing can be performed on the ball screw 15.
The mounting base 2 is connected with the clamping device and the sliding support 1 through screws, and plays a role in fixing and stabilizing the whole device. The mounting base is provided with a storage bin for storing the rheo-polishing liquid 5, and the storage bin is used for recovering the rheo-polishing liquid 5 dropping from the brush 14.
In the polishing device, a hollow shaft 12 and a polishing head 13 are driven to rotate by a polishing motor 9, and the surface of a ball screw 15 is polished by a hairbrush 14. The shaft sleeve 11 is fixed on the polishing motor 9 and connected with the hollow shaft 12, and the mechanical rheological polishing liquid 5 can flow into the cavity 17 of the shaft sleeve 11 from a polishing liquid feed port, gradually enters the hollow shaft 12 through the internal channel 18 in the rotating process, and finally flows out through the hairbrush 14. The sealing ring 16 is arranged inside the shaft sleeve 11, leakage of the mechanical rheological polishing liquid 5 can be prevented, and the polishing head 13 is internally provided with a plurality of channels 19, so that the mechanical rheological polishing liquid 5 can be uniformly distributed on the hairbrush 14, and the surface of the ball screw 15 is polished with high quality.
In the clamping device, a three-jaw chuck 4 is arranged on a base 2 and used for clamping a ball screw 15; the rotating bracket 6 is used for positioning to prevent the workpiece from deforming; during polishing, the clamping motor 3 drives the three-jaw chuck 4 to rotate, so that the surface of the ball screw 15 is fully and uniformly contacted with the hairbrush 14, and a good polishing effect is achieved.
The polishing solution circulating device is composed of a mechanical rheological polishing solution 5, a pipeline 7, a diaphragm pump 8 and a flexible hose 9, wherein the diaphragm pump 8 extracts the mechanical rheological polishing solution 5 from the installation base through the pipeline 7, injects the mechanical rheological polishing solution into the shaft sleeve 11 through the flexible hose 9, and finally flows out of the polishing head 13 and returns to the inside of the installation base, so that the cyclic utilization of the mechanical rheological polishing solution 5 can be realized.
The scheme of this embodiment can not only be applied to polishing ball, also can be applied to other various slender axles class parts, can feed by automatic, accurate control, plays fine effect to surface polishing, enables operating personnel work more laborsaving, reduces working strength.
Claims (5)
1. A brush auxiliary force rheological polishing device suitable for a ball screw is characterized by comprising a sliding support, a mounting base, a polishing device and a clamping device, wherein the sliding support is mounted at the upper part of the mounting base and can horizontally and vertically move for controlling the polishing device to perform position adjustment and feeding movement; the polishing device comprises a polishing motor, a shaft sleeve, a hollow shaft, a polishing head and a brush, wherein the polishing motor is fixed on the sliding support, an output shaft of the polishing motor is connected with the hollow shaft through the shaft sleeve, the polishing head is installed at the end part of the hollow shaft, the polishing head is provided with the brush, and the shaft sleeve is provided with a rheologic polishing liquid feeding hole; the clamping device comprises a clamping motor, a three-jaw chuck and a rotating support, the three-jaw chuck is mounted on an output shaft of the clamping motor, the clamping motor and the rotating support are mounted on two sides of the bottom of the mounting base, a station for mounting a ball screw to be polished is arranged between the three-jaw chuck and the rotating support, and the polishing head is located above the station.
2. A brush auxiliary force rheological polishing apparatus for a ball screw as claimed in claim 1 wherein the mounting base is connected to the clamping means and the sliding bracket by screws to fix and stabilize the entire apparatus, the mounting base being provided with a storage tank for storing the force rheological polishing liquid for recovering the force rheological polishing liquid flowing down from the brush.
3. The brush-assisted rheological polishing device for a ball screw according to claim 1 or 2, wherein the polishing head is internally provided with a multi-channel design, so that the rheological polishing liquid can be uniformly distributed on the brush, and the brush can push the rheological polishing liquid into the inner raceway of the ball screw thread to polish the ball screw with high consistency.
4. A brush-assisted rheological polishing apparatus for a ball screw according to claim 1 or 2 wherein the clamping means comprises a three-jaw chuck for clamping an end of the ball screw, the rotatable mount being positioned to prevent deformation of the workpiece; during polishing, the clamping motor drives the three-jaw chuck to rotate, so that the surface of the ball screw is in full and uniform contact with the hairbrush.
5. A brush auxiliary force rheological polishing apparatus suitable for a ball screw of claim 2 further comprising a force rheological polishing liquid circulating device, wherein the polishing liquid circulating device is composed of a force rheological polishing liquid, a pipeline, a diaphragm pump and a flexible hose, the diaphragm pump extracts the force rheological polishing liquid from the storage bin of the mounting base through the pipeline, injects the force rheological polishing liquid into the shaft sleeve through the flexible hose, and finally flows out of the polishing head and returns to the storage bin of the mounting base, so that the force rheological polishing liquid can be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121296211.6U CN215470397U (en) | 2021-06-10 | 2021-06-10 | Brush auxiliary force rheological polishing equipment suitable for ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121296211.6U CN215470397U (en) | 2021-06-10 | 2021-06-10 | Brush auxiliary force rheological polishing equipment suitable for ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215470397U true CN215470397U (en) | 2022-01-11 |
Family
ID=79784473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121296211.6U Expired - Fee Related CN215470397U (en) | 2021-06-10 | 2021-06-10 | Brush auxiliary force rheological polishing equipment suitable for ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215470397U (en) |
-
2021
- 2021-06-10 CN CN202121296211.6U patent/CN215470397U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |