CN218285114U

CN218285114U - Ball grinding centre gripping frock

Info

Publication number: CN218285114U
Application number: CN202222945106.1U
Authority: CN
Inventors: 杨连余; 李强; 马青峰; 李阳
Original assignee: Shandong Science And Technology Pml Precision Mechanism Co ltd
Current assignee: Shandong Science And Technology Pml Precision Mechanism Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-13
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to the technical field of machining, in particular to a ball screw grinding and clamping tool which can support the left part and the right part of a ball screw, can always support the grinding part of the ball screw, reduces the vibration of the ball screw in the grinding process and improves the grinding precision of the ball screw; the three-jaw chuck is arranged at the right end of the rotating shaft, and the rotating shaft, the three-jaw chuck and the center are coaxial; the device comprises a base plate, a top, a movable device and a supporting device, and is characterized by further comprising four groups of vertical plates, two groups of supporting rollers, the movable device and the supporting device, wherein the top is arranged at the upper end of the base plate through the movable device, the movable device is used for moving the top left and right, and the supporting device is arranged on the base plate.

Description

Ball grinding and clamping tool

Technical Field

The utility model relates to a technical field of machining especially relates to a ball grinding centre gripping frock.

Background

A ball screw is a transmission element for converting a rotational motion into a linear motion, which has wide application in the field of machining. When the ball screw is machined, firstly, a cylindrical blank is turned into a cylinder with a proper diameter through two procedures of rough turning and finish turning, then a thread slideway is milled on the cylinder by the cylindrical blank through a thread milling cutter to form the ball screw, and in order to ensure the precision of the ball screw and reduce the friction force in the use process, a grinding device is required to grind and finish the thread slideway of the ball screw.

In the prior art, the ball screw repairing and fine grinding platform with the patent application number of CN202020665477.2 comprises a bottom plate and a grinding part for fine grinding of the ball screw, wherein the ball screw stretches across the grinding part, a tip and a chuck are both arranged on the bottom plate, and when the ball screw is ground, the ball screw is clamped and fixed through the tip and the chuck on the bottom plate, then the ball screw rotates, and then the ball screw is ground through the grinding part.

It discovers in the use, when grinding ball screw, at first through top and chuck to ball screw centre, but it when centre to ball screw centre, only support fixedly to ball screw's left and right sides both ends through top and chuck respectively, when grinding some longer ball screws, because ball screw's middle part does not have strutting arrangement, so when it grinds, great vibration is produced easily at its middle part, and then leads to the grinding precision to reduce, so need a grinding centre gripping frock that not only can carry out the centre gripping to ball screw's both ends, but also can support ball screw's middle part.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a can not only support ball's the left and right sides two, can support ball's grinding position moreover all the time, reduce ball's vibration in grinding process, improve ball's grinding precision's ball grinding centre gripping frock.

The utility model discloses a ball grinding centre gripping frock, including bottom plate, extension board, pivot, three-jaw chuck, motor A and top, the extension board is fixed to be installed in the bottom plate upper end, and the pivot is rotated and is installed on the extension board, and the left end of pivot is connected with motor A, and motor A installs on the extension board, and three-jaw chuck installs at the pivot right-hand member, and pivot, three-jaw chuck and top are coaxial; the device comprises a base plate, a top, four groups of vertical plates, two groups of supporting rollers, a moving device and a supporting device, wherein the top is arranged at the upper end of the base plate through the moving device; firstly, a bottom plate is arranged on an external grinding machine tool, the left part of a ball screw is clamped and fixed through a three-jaw chuck, then a moving device enables a tip to move in the left-right direction, the left part of the tip tightly pushes a tip hole reserved in the right part of the ball screw, then four groups of vertical plates are enabled to adjust the position through a supporting device, the four groups of vertical plates drive two groups of supporting rollers to adjust the height, the two groups of supporting rollers are respectively attached to the front part and the rear part of the ball screw, the two groups of supporting rollers support the middle part of the ball screw, then a motor A is started, the motor A enables the three-jaw chuck to drive the ball screw to rotate at a certain speed through a rotating shaft, then a grinding device on the grinding machine tool is used for grinding and finishing the part of the ball screw, when other parts of the ball screw need to be ground, the four groups of vertical plates drive the two groups of supporting rollers to move to the position, which needs to be ground, on the ball screw, of the two groups of supporting rollers can be enabled to always support the grinding part of the ball screw; the ball screw grinding device has the advantages that the left part and the right part of the ball screw can be supported, the positions of the two groups of supporting rollers can be adjusted according to the grinding positions of the ball screw when the ball screw is ground, the grinding positions of the ball screw can be supported by the two groups of supporting rollers all the time, vibration of the ball screw in the grinding process is reduced, grinding precision of the ball screw is improved, and the ball screw grinding device is high in practicability.

Preferably, the moving device comprises four groups of supporting blocks, two groups of T-shaped sliding rails, a sliding block, a plurality of groups of bolts and a connecting block, wherein the four groups of supporting blocks are fixedly arranged at the upper end of the bottom plate, the two groups of T-shaped sliding rails are fixedly arranged on the four groups of supporting blocks respectively, the front part and the rear part of the sliding block are provided with T-shaped sliding grooves, the sliding block is arranged on the two groups of T-shaped sliding rails in a left-right sliding mode through the two groups of T-shaped sliding grooves, the plurality of groups of bolts are screwed with the sliding block, the lower parts of the plurality of groups of bolts are positioned in the two groups of T-shaped sliding grooves of the sliding block respectively, the lower parts of the plurality of groups of bolts are tightly propped against the upper ends of the two groups of T-shaped sliding rails respectively, the connecting block is fixedly arranged at the upper end of the sliding block, and the top is fixedly arranged at the upper end of the connecting block; when the center moves left and right, the bolts are rotated to enable the bolts to enable the two groups of T-shaped sliding rails to be separated from contact, then a worker pushes the sliding block to enable the connecting block to drive the center to move in the left and right directions until the left part of the center tightly pushes a center hole at the right part of the ball screw, then the bolts are rotated to enable the bolts to tightly push the two groups of T-shaped sliding rails respectively, and the sliding block is fixed; because the position of the centre in the left-right direction can be adjusted, the centre can adjust the position according to the length of the ball screw, and the centre can tightly jack the ball screws with different lengths, so that the centre is convenient to use and has low limitation.

Preferably, the supporting device comprises two groups of supporting plates, two groups of sliding rods, a motor B, a lead screw A, a moving block and an adjusting device, the two groups of supporting plates are respectively and fixedly installed at the left part and the right part of the bottom plate, the two groups of sliding rods are both fixedly installed on the two groups of supporting plates, the motor B is fixedly installed at the upper end of the bottom plate, the output end of the motor B is connected with the left end of the lead screw A, the lead screw A is rotatably installed on the two groups of supporting plates, the moving block is in threaded installation with the lead screw A, the moving block is installed on the two groups of sliding rods in a left-right sliding mode, the adjusting device is installed on the moving block, the four groups of vertical plates are all installed on the adjusting device, and the adjusting device is used for adjusting the heights and the front-back positions of the four groups of vertical plates; when the ball screw is ground, the motor B is started, the motor B drives the screw A to rotate, the rotating screw A enables the adjusting device to drive the four groups of vertical plates to move in the left and right directions through the moving block, the four groups of vertical plates drive the two groups of supporting rollers to move in the left and right directions until the two groups of supporting rollers are positioned below the to-be-ground part on the ball screw, then the four groups of vertical plates drive the two groups of supporting rollers to ascend through the adjusting device, the two groups of supporting rollers support the lower part of the to-be-ground part of the ball screw, the positions of the two groups of supporting rollers can be adjusted according to the to-be-ground part of the ball screw, and the two groups of supporting rollers can support the to-be-ground part of the ball screw all the time, so that the use is convenient.

Preferably, the adjusting device comprises a lifting plate, two groups of supporting rods, two groups of sliding plates, a screw and a lifting platform, the lifting platform is installed at the upper end of the moving block, the lifting plate is installed at the upper end of the lifting platform, the two groups of supporting rods are respectively and fixedly installed at the left part and the right part of the lifting plate, the two groups of sliding plates are respectively and slidably installed on the two groups of supporting rods in the front-back direction, the two groups of sliding plates are respectively and fixedly installed at the lower ends of the four groups of vertical plates, the two groups of vertical plates at the front side are fixedly installed on the sliding plates at the front side, the screw is rotatably installed on the lifting plate, the front part and the rear part of the screw are respectively provided with external threads with opposite rotation directions, and the two groups of sliding plates are respectively screwed with the front part and the rear part of the screw; when the ball screw is supported, firstly, two groups of supporting rollers are positioned right below a position to be ground on the ball screw, then the screw is rotated, the rotated screw drives two groups of sliding plates to mutually approach, the two groups of supporting rollers mutually approach through four groups of vertical plates, the distance between the two groups of supporting rollers is matched with the diameter of the ball screw, then the lifting plate is lifted through the lifting platform, the lifting plate drives the four groups of vertical plates to ascend through two groups of supporting rods, the four groups of vertical plates drive the two groups of supporting rollers to ascend, the two groups of supporting rollers are tightly attached to the lower part of the part to be ground of the ball screw, the part to be ground of the ball screw is supported by the two groups of supporting rollers, then the rotating shaft drives the three-jaw chuck to rotate through the motor A, the three-jaw chuck drives the ball screw to rotate, and the ball screw is ground by an external grinding device while rotating; because the distance between two sets of backing rolls can be adjusted, so it can be according to ball screw's diameter and adjust the distance between two sets of backing rolls, convenient to use, the limitation is low.

Preferably, the two groups of supporting rollers are arranged on the bottom plate in a front-back symmetrical manner by taking the axis of the rotating shaft as a center line; through the arrangement, when the two groups of supporting rollers support the ball screw, the ball screw is positioned in the center between the two groups of supporting rollers, and the ball screw is supported more stably.

Preferably, the lower ends of the plurality of groups of bolts are provided with gaskets; through the setting, the sliding block is prevented from being crushed by a plurality of groups of bolts, and the reliability is improved.

Preferably, the surfaces of the two groups of supporting rollers are provided with wear-resistant coatings; through the arrangement, the abrasion of the two groups of supporting rollers is slowed down, and the service lives of the two groups of supporting rollers are prolonged.

Compared with the prior art, the beneficial effects of the utility model are that: the left part and the right part of the ball screw can be supported, the grinding part of the ball screw can be supported all the time, the vibration of the ball screw in the grinding process is reduced, and the grinding precision of the ball screw is improved.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

FIG. 2 is a schematic view of the structure of the lifting plate, the sliding plate, the screw, and the like;

fig. 3 is a schematic structural view of a centre, a connecting block, a supporting block and the like;

FIG. 4 is a schematic structural diagram of a moving block, a lead screw A, a motor B and the like;

fig. 5 is a schematic front view of the present invention;

in the drawings, the reference numbers: 1. a base plate; 2. a support plate; 3. a rotating shaft; 4. a three-jaw chuck; 5. a motor A; 6. a tip; 7. a vertical plate; 8. a support roller; 9. supporting a block; 10. a T-shaped slide rail; 11. a slider; 12. a bolt; 13. connecting blocks; 14. a support plate; 15. a slide bar; 16. a motor B; 17. a lead screw A; 18. a moving block; 19. a lifting plate; 20. a strut; 21. a slide plate; 22. a screw; 23. a lifting platform; 24. a ball screw.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to 5, the utility model discloses a ball grinding centre gripping frock includes bottom plate 1, extension board 2, pivot 3, three-jaw chuck 4, motor A5, top 6, four group's risers 7, four group's backing rolls 8, mobile device and strutting arrangement, extension board 2 fixed mounting is in 1 upper end of bottom plate, pivot 3 rotates and installs on extension board 2, the left end and the motor A5 of pivot 3 are connected, motor A5 installs on extension board 2, three-jaw chuck 4 installs at 3 right-hand members of pivot, pivot 3, three-jaw chuck 4 and top 6 are coaxial, top 6 is installed in 1 upper end of bottom plate through the mobile device, the mobile device is used for controlling top 6, strutting arrangement installs on bottom plate 1, two parts around strutting arrangement are installed respectively to four group's risers 7, strutting arrangement is used for adjusting four position of group's risers 7, two group's backing roll 8 rotate respectively and install on four group's risers 7.

As shown in fig. 1, 2 and 4, the supporting device includes two sets of supporting plates 14, two sets of sliding rods 15, a motor B16, a lead screw a17, a moving block 18, a lifting plate 19, two sets of supporting rods 20, two sets of sliding plates 21, a screw 22 and a lifting platform 23, wherein the two sets of supporting plates 14 are respectively fixedly installed at the left and right portions of the bottom plate 1, the two sets of sliding rods 15 are respectively fixedly installed on the two sets of supporting plates 14, the motor B16 is fixedly installed at the upper end of the bottom plate 1, the output end of the motor B16 is connected with the left end of the lead screw a17, the lead screw a17 is rotatably installed on the two sets of supporting plates 14, the moving block 18 is screwed with the lead screw a17, the moving block 18 is slidably installed on the two sets of sliding rods 15 from left to right, the lifting platform 23 is installed at the upper end of the lifting platform 23, the two sets of supporting rods 20 are respectively fixedly installed at the left and right portions of the lifting plate 19, the two sets of sliding plates 21 are respectively slidably installed on the two sets of supporting rods 20 from front to back, the front and forth, the two sets of sliding plates 21 are respectively fixedly installed at the lower ends of the four sets of vertical plates 7, the two sets of front-side vertical plates 7 are respectively, the front and back, the two sets of sliding plates are respectively rotatably installed on the lifting plate 19, the sliding plates 22, and forth are respectively, and back, and forth are respectively provided with screw threads 22, and forth opposite to screw 22, and back, and front and back are respectively installed on the two sets of external threads 22, and forth screw portions of the two sets of external threads are respectively installed on the two sets of vertical plates 21 of the front vertical plates 21.

As shown in fig. 3, the moving device includes four groups of supporting blocks 9, two groups of T-shaped sliding rails 10, a sliding block 11, a plurality of groups of bolts 12 and a connecting block 13, wherein the four groups of supporting blocks 9 are all fixedly mounted at the upper end of the bottom plate 1, the two groups of T-shaped sliding rails 10 are respectively fixedly mounted on the four groups of supporting blocks 9, the front and rear portions of the sliding block 11 are respectively provided with T-shaped sliding grooves, the sliding block 11 is mounted on the two groups of T-shaped sliding rails 10 through the two groups of T-shaped sliding grooves in a left-right sliding manner, the plurality of groups of bolts 12 are all screwed with the sliding block 11, the lower portions of the plurality of groups of bolts 12 are respectively located in the two groups of T-shaped sliding grooves of the sliding block 11, the lower portions of the plurality of groups of bolts 12 are respectively tightly pressed against the upper ends of the two groups of T-shaped sliding rails 10, the connecting block 13 is fixedly mounted at the upper end of the sliding block 11, and the tip 6 is fixedly mounted at the upper end of the connecting block 13.

The utility model discloses a ball grinding centre gripping frock, it is at work, install bottom plate 1 on the grinding machine tool outside at first, the left part of ball 24 is fixed through the centre gripping of three-jaw chuck 4, then promote sliding block 11 to make connecting block 13 drive top 6 move in left and right directions, the top hole that the right part of ball 24 was reserved is tightly pushed up to the left part of top 6, then rotatory multiunit bolt 12, at most, two sets of T type slide rails 10 are tightly pushed up respectively to multiunit bolt 12, then make four group's risers 7 adjusting position through strutting arrangement, four group's risers 7 drive two sets of backing rolls 8 height-adjusting, to two sets of backing rolls 8 respectively with ball 24 front and back two portions are pasted tightly, make two sets of backing rolls 8 support ball 24 treat the grinding part, then open motor A5, motor A5 makes three-jaw chuck 4 drive ball 24 with certain speed rotation through pivot 3, later, make the grinding device on ball 24 drive ball 8 directly over two sets of backing rolls through the grinding machine tool carry out the grinding finish repair, when needing to grind other positions to ball 24, make four groups of backing rolls 7 move to the grinding machine tool 8 that two sets of ball support rolls can make two sets of backing rolls 8 move all the grinding machine tool, it can be all the grinding parts that two sets of ball 24 to support the grinding machine tool to make the grinding machine tool 8; it not only can support ball 24's the left and right sides two, when grinding ball 24, moreover, can adjust the position of two sets of backing rolls 8 according to ball 24's grinding position, and ball 24's grinding position can be supported all the time to two sets of backing rolls 8, has reduced ball 24's vibration in the grinding process, has improved ball 24's grinding precision, and the practicality is high.

When the supporting device is used, firstly, a motor B16 is started, the motor B16 drives a screw A17 to rotate, the rotating screw A17 drives a lifting table 23 to drive a lifting plate 19 to move through a moving block 18, the lifting plate 19 drives a sliding plate 21 to drive four groups of vertical plates 7 to move in the left-right direction through two groups of supporting rods 20, the four groups of vertical plates 7 drive two groups of supporting rollers 8 to move in the left-right direction until the two groups of supporting rollers 8 are positioned below a part to be ground on a ball screw 24, then a screw 22 is rotated, the rotating screw 22 drives the two groups of sliding plates 21 to mutually approach, the two groups of sliding plates 21 mutually approach through the four groups of vertical plates 7, the two groups of supporting rollers 8 mutually approach through the four groups of vertical plates 7 until the distance between the two groups of supporting rollers 8 is matched with the diameter of the ball screw 24, then the lifting plate 19 is lifted through the lifting table 23, the lifting plate 19 drives the two groups of sliding plates 21 to lift the four groups of vertical plates 7 through the two groups of supporting rods 20, the four groups of vertical plates 7 drive the two groups of supporting rollers 8 to ascend, the two groups of supporting rollers 8 are adhered to the part to the ball screw 24, the two groups of supporting rollers 24 tightly support the ball screw 24 to be ground, then the part to be ground, the ball screw 24 is driven by a rotating shaft 3, the three-jaw 4 through the motor A5, and the ball-jaw-grinding device can be ground outside the ball-jaw-grinding device at the same time; because the distance between two sets of backing rolls 8 can be adjusted, so it can be according to ball 24's diameter and adjust the distance between two sets of backing rolls 8, convenient to use, the limitation is low.

It should be added that: the bottom plate 1 is provided with a mounting hole which is matched with an external grinding machine tool for mounting, the bottom plate 1 can be mounted on the external grinding machine tool through the mounting hole and a bolt and is matched with a grinding device on the grinding machine tool for use, when a worker holds the grinding machine to grind the ball screw 24, the bottom plate 1 does not need to be mounted on the external grinding machine tool

The utility model discloses a ball screw grinding and clamping tool, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the tool can be implemented as long as the beneficial effects can be achieved; the utility model discloses a three-jaw chuck 4, top 6, lifter plate 19, screw rod 22 and elevating platform 23 of ball grinding centre gripping frock are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific circumstances.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A ball screw grinding and clamping tool comprises a base plate (1), a support plate (2), a rotating shaft (3), a three-jaw chuck (4), a motor A (5) and a tip (6), wherein the support plate (2) is fixedly arranged at the upper end of the base plate (1), the rotating shaft (3) is rotatably arranged on the support plate (2), the left end of the rotating shaft (3) is connected with the motor A (5), the motor A (5) is arranged on the support plate (2), the three-jaw chuck (4) is arranged at the right end of the rotating shaft (3), and the rotating shaft (3), the three-jaw chuck (4) and the tip (6) are coaxial; its characterized in that still includes four group's risers (7), two sets of backing rolls (8), mobile device and strutting arrangement, top (6) are installed in bottom plate (1) upper end through mobile device, mobile device is used for controlling top (6) and moves, strutting arrangement installs on bottom plate (1), two parts around strutting arrangement are installed respectively in four group's risers (7), strutting arrangement is used for adjusting the position of four group's risers (7), two sets of backing rolls (8) rotate respectively and install on four group's risers (7).

2. The ball screw grinding and clamping tool as claimed in claim 1, wherein the moving device comprises four groups of supporting blocks (9), two groups of T-shaped sliding rails (10), a sliding block (11), a plurality of groups of bolts (12) and a connecting block (13), the four groups of supporting blocks (9) are fixedly mounted at the upper end of the bottom plate (1), the two groups of T-shaped sliding rails (10) are respectively and fixedly mounted on the four groups of supporting blocks (9), the front part and the rear part of the sliding block (11) are respectively provided with T-shaped sliding grooves, the sliding block (11) is slidably mounted on the two groups of T-shaped sliding rails (10) left and right through the two groups of T-shaped sliding grooves, the plurality of groups of bolts (12) are respectively and spirally mounted with the sliding block (11), the lower parts of the plurality of groups of bolts (12) are respectively and are respectively located in the two groups of T-shaped sliding grooves of the sliding block (11), the lower parts of the plurality of bolts (12) are respectively and tightly abutted against the upper ends of the two groups of T-shaped sliding rails (10), the connecting block (13) is fixedly mounted at the upper end of the sliding block (11), and the apex (6) is fixedly mounted at the upper end of the connecting block (13).

3. The ball screw grinding and clamping tool as claimed in claim 1, wherein the supporting device comprises two groups of supporting plates (14), two groups of sliding rods (15), a motor B (16), a screw A (17), a moving block (18) and an adjusting device, the two groups of supporting plates (14) are respectively and fixedly mounted at the left part and the right part of the bottom plate (1), the two groups of sliding rods (15) are respectively and fixedly mounted on the two groups of supporting plates (14), the motor B (16) is fixedly mounted at the upper end of the bottom plate (1), the output end of the motor B (16) is connected with the left end of the screw A (17), the screw A (17) is rotatably mounted on the two groups of supporting plates (14), the moving block (18) and the screw A (17) are mounted in a threaded manner, the moving block (18) is slidably mounted on the two groups of sliding rods (15) left and right, the adjusting device is mounted on the moving block (18), the four groups of vertical plates (7) are respectively mounted on the adjusting device, and the adjusting device is used for adjusting the heights and the front and back positions of the four groups of vertical plates (7).

4. The ball screw grinding and clamping tool according to claim 3, wherein the adjusting device comprises a lifting plate (19), two sets of support rods (20), two sets of sliding plates (21), a screw rod (22) and a lifting platform (23), the lifting platform (23) is installed at the upper end of the moving block (18), the lifting plate (19) is installed at the upper end of the lifting platform (23), the two sets of support rods (20) are respectively and fixedly installed at the left part and the right part of the lifting plate (19), the two sets of sliding plates (21) are respectively and slidably installed on the two sets of support rods (20) in the front-back direction, the two sets of sliding plates (21) are respectively and fixedly installed at the lower ends of the four sets of vertical plates (7), the two sets of vertical plates (7) at the front side are fixedly installed on the sliding plates (21) at the front side, the screw rod (22) is rotatably installed on the lifting plate (19), the front part and the rear part of the screw rod (22) are respectively provided with external threads with opposite rotation directions, and the two sets of sliding plates (21) are respectively and screwed with the front part and rear part of the screw rod (22).

5. The ball screw grinding and clamping tool as claimed in claim 1, wherein the two groups of supporting rollers (8) are arranged on the bottom plate (1) in a front-back symmetrical manner by taking the axis of the rotating shaft (3) as a center line.

6. The ball screw grinding and clamping tool according to claim 2, wherein gaskets are arranged at the lower ends of the plurality of groups of bolts (12).

7. The ball screw grinding and clamping tool according to claim 1, wherein the surfaces of the two groups of supporting rollers (8) are provided with wear-resistant coatings.