CN219200384U

CN219200384U - Ball screw pair wear measurement test bed

Info

Publication number: CN219200384U
Application number: CN202320545771.3U
Authority: CN
Inventors: 陈兴振; 辛卫峰
Original assignee: Jining Yicheng Rolling Parts Co ltd
Current assignee: Jining Yicheng Rolling Parts Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-06-16
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of screw detection devices and discloses a ball screw pair abrasion test table, which comprises a platform, wherein a fifth chute is formed in the middle of the top wall of the platform, two fourth chutes are formed in the top wall of the platform, the fourth chutes and the fifth chute are mutually parallel, the two fourth chutes are respectively arranged on two sides of the fifth chute, a sliding plate is arranged at the top of the platform and is in sliding connection with the fourth chute, a fixed ring is connected in the middle of the sliding plate in a penetrating way, a servo motor is arranged at the top end of the platform, a coupling is connected at the output end of the servo motor in a transmission way, and a first servo electric cylinder is arranged at one end, far away from the servo motor, of the top wall of the platform; the utility model does not need to manually use a dial indicator for measurement, is not easy to generate larger error, is simple to operate, can operate for multiple times to take values, and further reduces the error.

Description

Ball screw pair wear measurement test bed

Technical Field

The utility model relates to the technical field of screw detection devices, in particular to a ball screw pair abrasion test table.

Background

The precision ball screw pair is a key functional component of the numerical control machine, and the precision of the numerical control machine is determined to a great extent by the manufacturing level. After the ball screw pair is used for a certain time, the surface material can be partially peeled off, and gaps are generated between the balls and the tracks, so that the use precision of equipment such as a machine tool is directly affected. The external dimensions, material technology, processing technology and working conditions of the ball and the track are key for correctly understanding the mechanical property, abrasion and service life of the screw.

The existing screw pair abrasion measurement test bed generally adopts direct detection to the axial clearance of the screw, carries out unidirectional loading on the nut, uses a dial indicator to measure data, cannot achieve constant force output by using a bidirectional loading test bed, has large loading error, is inconvenient to operate by using the dial indicator in measurement, is easy to produce error, and has the accuracy of the result to be improved.

Therefore, it is necessary to provide a ball screw pair abrasion testing table to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a ball screw pair abrasion test table which has the effects of measuring the axial clearance of a screw and reducing the measurement error.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a ball screw pair wearing and tearing test platform, includes the platform, the fifth spout has been seted up at the roof middle part of platform, two fourth spouts have been seted up to the roof of platform, fourth spout and the mutual parallel arrangement of fifth spout, two the fourth spout sets up in fifth spout both sides respectively, the top of platform is provided with the slide, slide and fourth spout sliding connection, the middle part through connection of slide has solid fixed ring, the top of platform is provided with servo motor, servo motor's output transmission is connected with the shaft coupling, servo motor's one end is kept away from to the roof of platform one end is provided with first servo cylinder, servo motor's one end is close to the roof of platform is provided with the second servo cylinder, the second servo cylinder with first servo cylinder sets up the both sides at the slide respectively, just first servo cylinder and second servo cylinder are in the both sides of fifth spout respectively, the one end that the slide is close to the second servo cylinder is provided with displacement sensor.

Through adopting above-mentioned technical scheme, when measuring the axial clearance of lead screw, servo motor adjusts the position of measuring the lead screw axle, loads respectively to the slide through first servo electric jar and second servo electric jar, obtains data by displacement sensor, does not need the manual use amesdial to measure, is difficult for producing great error, and easy operation, but the multiple operation value, further reduces the error.

The utility model is further provided with: the inside fixedly connected with screw nut of solid fixed ring, screw nut's inside rotation is connected with the lead screw axle, the one end that the shaft coupling is close to the lead screw axle is connected with the bearing frame, the lead screw axle runs through the bearing frame, the one end that the lead screw axle is close to the bearing frame is connected with the shaft coupling fixed.

By adopting the technical scheme, the screw pair can be fixed on the sliding plate and installed.

The utility model is further provided with: the one end that servo motor was kept away from to the screw shaft is provided with the clamp splice, the roof both ends of clamp splice are provided with the screw respectively, the bottom of clamp splice is through screw fixedly connected with second cushion, the bottom fixedly connected with second slider of second cushion, second slider and fifth spout sliding connection.

Through adopting above-mentioned technical scheme, through the fixed lead screw axle of the spiral of screw clamping, can adjust the measurement position through the second slider.

The utility model is further provided with: the bottom fixedly connected with first cushion of bearing frame, the bottom fixedly connected with motor fixed slide of first cushion, motor fixed slide and fifth spout sliding connection, servo motor fixed mounting is on motor fixed slide.

By adopting the technical scheme, the servo motor can be fixed, and the measuring position can be adjusted by fixing the sliding seat through the motor.

The utility model is further provided with: four corners of platform bottom all fixedly connected with support column.

By adopting the technical scheme, the platform is fixedly supported.

The utility model is further provided with: locking mechanisms are arranged on one sides of the first cushion block and the second cushion block, locking holes are formed in the top wall of the platform, and the locking holes are matched with the locking mechanisms.

Through adopting above-mentioned technical scheme, can fix the position of motor fixed slide, slide and clamp splice respectively, make them can take place relative displacement, be convenient for adjust the position.

The utility model is further provided with: the locking mechanism comprises a shell, a first chute, a second chute and a third chute are formed in the shell, the first chute is arranged above the third chute and is parallel to the third chute, the second chute is communicated with the first chute and the third chute, a locking column is arranged in the shell, a first sliding block is fixedly connected to the side face of the locking column, the first sliding block is in sliding connection with the first chute, the second chute and the third chute, and the locking column is inserted into one of the locking holes.

Through adopting above-mentioned technical scheme, through rotatory locking post, make first slider slide between first spout, second spout and third spout, drive the locking post simultaneously and reciprocate, can imbed in the locking hole, realize the locking between the position.

In summary, the utility model has the following beneficial effects: according to the utility model, the position of the ball screw shaft is locked and positioned through the locking mechanism, the first servo electric cylinder and the second servo electric cylinder are used for constant force loading respectively, the displacement sensor is driven to move through the movement of the sliding plate, the axial clearance of the screw is obtained, the operation is convenient, and the measuring error can be reduced through multiple operations.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 5 is a schematic structural view of the locking mechanism of the present utility model.

In the figure: 1. a platform; 2. a support column; 3. a locking hole; 4. a displacement sensor; 5. a locking mechanism; 501. a housing; 502. a first chute; 503. a second chute; 504. a third chute; 505. a first slider; 506. locking the column; 6. a first servo cylinder; 7. a second servo cylinder; 8. a slide plate; 9. a screw nut; 10. a fixing ring; 11. a bearing seat; 12. a coupling; 13. a servo motor; 14. a fourth chute; 15. a first pad; 16. a screw; 17. clamping blocks; 18. a screw shaft; 19. a fifth chute; 20. a second cushion block; 21. a second slider; 22. the motor fixes the slide.

Detailed Description

The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a ball screw pair abrasion test table comprises a platform 1, a fifth chute 19 is provided in the middle of the top wall of the platform 1, two fourth chutes 14 are provided in the top wall of the platform 1, the fourth chutes 14 and the fifth chute 19 are parallel to each other, the two fourth chutes 14 are respectively provided on two sides of the fifth chute 19, a sliding plate 8 is provided at the top of the platform 1, the sliding plate 8 is slidably connected with the fourth chute 14, a fixing ring 10 is connected in the middle of the sliding plate 8 in a penetrating way, a servo motor 13 is provided at the top end of the platform 1, a coupling 12 is connected with the output end of the servo motor 13 in a transmission way, a first servo cylinder 6 is provided at one end of the top wall of the platform 1 far away from the servo motor 13, the top wall of the platform 1 is provided with a second servo electric cylinder 7 near one end of the servo motor 13, the second servo electric cylinder 7 and the first servo electric cylinder 6 are respectively arranged on two sides of the sliding plate 8, the first servo electric cylinder 6 and the second servo electric cylinder 7 are respectively arranged on two sides of the fifth sliding groove 19, one end of the sliding plate 8 near the second servo electric cylinder 7 is provided with a displacement sensor 4, the model of the displacement sensor is 534C1478H01, constant force output is carried out on the sliding plate 8 through the first servo electric cylinder 6, the displacement amount of the displacement sensor 4 is recorded, loading of the first servo electric cylinder 6 is ended, constant force output is carried out on the sliding plate 8 through the second servo electric cylinder 7 on the other side, the displacement amount of the displacement sensor 4 is recorded, the sum of the two displacement amounts is the axial gap of a screw rod, the average value is obtained through multiple measurement, and the data error is reduced.

Referring to fig. 1 to 3, in the embodiment of the present utility model, a screw nut 9 is fixedly connected to the inside of the fixing ring 10, a screw shaft 18 is rotatably connected to the inside of the screw nut 9, one end of the coupling 12, which is close to the screw shaft 18, is connected to the bearing seat 11, the screw shaft 18 penetrates through the bearing seat 11, and one end of the screw shaft 18, which is close to the bearing seat 11, is fixedly connected to the coupling 12, and can be fixed on the slide plate 8 to install a screw pair.

Referring to fig. 1 and 4, in the embodiment of the present utility model, a clamping block 17 is disposed at one end of the screw shaft 18 away from the servo motor 13, screws 16 are respectively disposed at two ends of a top wall of the clamping block 17, a second cushion block 20 is fixedly connected to the bottom of the clamping block 17 through the screws 16, a second sliding block 21 is fixedly connected to the bottom of the second cushion block 20, the second sliding block 21 is slidably connected with a fifth sliding groove 19, the fixing of the clamping block 17 to the screw shaft 18 is adjusted by rotating the screws 16, and the clamping block 17 is convenient to detach, and is fixed and moved by the second sliding block 21 and the locking mechanism 5.

Referring to fig. 1 to 3, in the embodiment of the present utility model, a first cushion block 15 is fixedly connected to the bottom of the bearing seat 11, a motor fixing sliding seat 22 is fixedly connected to the bottom of the first cushion block 15, the motor fixing sliding seat 22 is slidably connected to the fifth sliding groove 19, and the servo motor 13 is fixedly installed on the motor fixing sliding seat 22, and the movement of the servo motor 13 can be achieved through the motor fixing sliding seat 22.

Referring to fig. 1 to 3, in the embodiment of the present utility model, four corners of the bottom of the platform 1 are fixedly connected with support columns 2, which play a role in fixedly supporting the platform 1.

Referring to fig. 1 and 3, in the embodiment of the present utility model, a locking mechanism 5 is disposed on one side of each of the first cushion block 15 and the second cushion block 20, a locking hole 3 is formed on a top wall of the platform 1, and the locking hole 3 is adapted to the locking mechanism 5, so that positions of the motor fixing slide 22, the slide plate 8 and the clamping block 17 can be fixed respectively, so that they can be displaced relatively, and the position can be adjusted conveniently.

Referring to fig. 1, 3 and 5, in the embodiment of the present utility model, the locking mechanism 5 includes a housing 501, a first sliding groove 502, a second sliding groove 503 and a third sliding groove 504 are provided in the housing 501, the first sliding groove 502 is disposed above the third sliding groove 504 and parallel to each other, the second sliding groove 503 is communicated with the first sliding groove 502 and the third sliding groove 504, a locking post 506 is provided in the housing 501, a first sliding block 505 is fixedly connected to a side surface of the locking post 506, the first sliding block 505 is slidably connected with the first sliding groove 502, the second sliding groove 503 and the third sliding groove 504, the locking post 506 is inserted into one of the locking holes 3, the first sliding block 505 slides between the first sliding groove 502, the second sliding groove 503 and the third sliding groove 504 through rotating the locking post 506, and drives the locking post 506 to move up and down, so as to be capable of being embedded into the locking holes 3, thereby realizing locking between positions.

Working principle: the sliding plate 8 is subjected to constant force output through the first servo electric cylinder 6, the displacement of the displacement sensor 4 is recorded, the loading of the first servo electric cylinder 6 is finished, the sliding plate 8 is subjected to constant force output through the second servo electric cylinder 7 at the other side, the displacement of the displacement sensor 4 is recorded, the sum of the two displacement amounts is the axial gap of the screw rod, the average value is measured for multiple times, the data error is reduced, the servo motor 13 drives the coupler 12 to rotate, the coupler 12 drives the screw rod shaft 18 to rotate, and the measuring position is changed.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims

1. The utility model provides a ball pair wearing and tearing test platform, includes platform (1), its characterized in that: the utility model provides a servo motor, including roof, servo motor, slide (8) and fourth spout (14) have been seted up at the roof middle part of platform (1), two fourth spouts (14) have been seted up at the roof middle part of platform (1), four spouts (14) and the mutual parallel arrangement of fifth spout (19), two fourth spouts (14) set up respectively in fifth spout (19) both sides, the top of platform (1) is provided with slide (8) and fourth spout (14) sliding connection, the middle part through connection of slide (8) has solid fixed ring (10), the top of platform (1) is provided with servo motor (13), the output transmission of servo motor (13) is connected with shaft coupling (12), the one end that servo motor (13) was kept away from to the roof of platform (1) is provided with first servo motor (6), the roof of platform (1) is close to the one end of servo motor (13) is provided with second servo motor (7), second servo motor (7) and first servo motor (6) set up respectively in slide (8) and first servo motor (8) both sides (7) are close to servo motor (7) electric cylinder (7).

2. The ball screw assembly wear test stand of claim 1, wherein: the inside fixedly connected with screw nut (9) of solid fixed ring (10), the inside rotation of screw nut (9) is connected with screw shaft (18), the one end that shaft coupling (12) is close to screw shaft (18) is connected with bearing frame (11), screw shaft (18) run through bearing frame (11), the one end that screw shaft (18) is close to bearing frame (11) and shaft coupling (12) fixed connection.

3. The ball screw assembly wear test stand of claim 2, wherein: one end of the screw shaft (18) far away from the servo motor (13) is provided with a clamping block (17), two ends of the top wall of the clamping block (17) are respectively provided with a screw (16), the bottom of the clamping block (17) is fixedly connected with a second cushion block (20) through the screws (16), the bottom of the second cushion block (20) is fixedly connected with a second sliding block (21), and the second sliding block (21) is in sliding connection with a fifth sliding groove (19).

4. A ball screw assembly wear test stand according to claim 3, wherein: the bottom fixedly connected with first cushion (15) of bearing frame (11), the bottom fixedly connected with motor fixed slide (22) of first cushion (15), motor fixed slide (22) and fifth spout (19) sliding connection, servo motor (13) fixed mounting is on motor fixed slide (22).

5. The ball screw assembly wear test stand of claim 1, wherein: four corners of platform (1) bottom all fixedly connected with support column (2).

6. The ball screw assembly wear test stand of claim 4, wherein: one side of the first cushion block (15) and one side of the second cushion block (20) are respectively provided with a locking mechanism (5), the top wall of the platform (1) is provided with a locking hole (3), and the locking holes (3) are matched with the locking mechanisms (5).

7. The ball screw assembly wear test stand of claim 6, wherein: the locking mechanism (5) comprises a shell (501), a first chute (502), a second chute (503) and a third chute (504) are formed in the shell (501), the first chute (502) is arranged above the third chute (504) and is parallel to each other, the second chute (503) is communicated with the first chute (502) and the third chute (504), a locking column (506) is arranged in the shell (501), a first sliding block (505) is fixedly connected to the side face of the locking column (506), the first sliding block (505) is in sliding connection with the first chute (502), the second chute (503) and the third chute (504), and the locking column (506) is inserted into one of the locking holes (3).