CN215890797U

CN215890797U - High-precision air spindle for automatic bearing detection equipment

Info

Publication number: CN215890797U
Application number: CN202122300852.0U
Authority: CN
Inventors: 赵康
Original assignee: Suzhou Cuizhu Semiconductor Co ltd
Current assignee: Suzhou Cuizhu Semiconductor Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-22
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a high-precision air spindle for automatic bearing detection equipment, which comprises a spindle shell, wherein a spindle sleeve is fixedly connected inside the spindle shell through a fixed column, a plurality of groups of first air holes are uniformly formed in the surface of the spindle sleeve, an anti-abrasion sleeve is inserted inside the spindle sleeve, a limiting strip and a plurality of groups of second air holes are formed in the surface of the anti-abrasion sleeve, an air spindle body penetrating through two groups of sealing plates is arranged in the anti-abrasion sleeve, a transmission head is arranged at the right end of the air spindle body, a disc is arranged at the left end of the air spindle body, a strip-shaped plate is movably connected at the center of the disc through a rotating shaft, the upper end and the lower end of the strip-shaped plate are movably connected with a connecting rod through a pin shaft, a sliding block is arranged at the other end of the connecting rod, and the sliding block is connected in a sliding groove in the surface of the disc in a sliding manner, the utility model has the advantages of simple operation, very convenient and rapid installation and convenient installation and disassembly of the bearing, not only reduces the labor intensity, but also improves the working efficiency, the detection efficiency of the bearing is improved.

Description

High-precision air spindle for automatic bearing detection equipment

Technical Field

The utility model relates to the technical field of air spindles, in particular to a high-precision air spindle for automatic bearing detection equipment.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. After the bearing is produced, the bearing needs to be detected by using automatic bearing detection equipment, and the ex-factory qualification rate of the bearing is ensured. The air spindle for some existing automatic bearing detection devices has the problems of low detection efficiency, time delay in mounting and dismounting the bearing, and many operation steps, so that a high-precision air spindle for the automatic bearing detection devices is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision air spindle for automatic bearing detection equipment, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-precision air spindle for automatic bearing detection equipment comprises a spindle shell, wherein a spindle sleeve is fixedly connected inside the spindle shell through fixing columns, the spindle sleeve is not in contact with the spindle shell, four groups of fixing columns are arranged, and two groups of fixing columns are arranged at the left end and the right end of the spindle sleeve respectively;

the surface of the shaft sleeve is uniformly provided with a plurality of groups of first air holes, the inner wall of the shaft sleeve is provided with a limiting groove, the limiting groove is provided with three groups, the three groups of first air holes are uniformly distributed on the inner wall of the shaft sleeve, an anti-abrasion sleeve is inserted into the shaft sleeve and is attached to the inner wall of the shaft sleeve, the surface of the anti-abrasion sleeve is provided with a limiting strip and a plurality of groups of second air holes, the three groups of limiting strips are arranged and are uniformly distributed on the surface of the anti-abrasion sleeve, two groups of air inlet interfaces are symmetrically arranged on the right side of the surface of the main shaft shell, the air inlet interfaces penetrate through the main shaft shell, the air outlet ends of the air inlet interfaces are communicated with the first air holes through a cavity in the main shaft shell, the limiting strips are clamped in the limiting groove, the second air holes are communicated with the corresponding first air holes, and the diameter of the second air holes is smaller than that of the first air holes;

the equal fixed connection shrouding in both ends about the main shaft casing, be equipped with the air spindle body that runs through two sets of shroudings in the abrasionproof cover, the diameter that two sets of shroudings are used for the round hole that the air spindle body runs through is greater than the diameter of air spindle body, air spindle body right-hand member is equipped with the transmission head, air spindle body left end is equipped with the disc, disc center department has the bar shaped plate through pivot swing joint, both ends all have the connecting rod through round pin axle swing joint about the bar shaped plate, the connecting rod other end is equipped with the slider, the slider butt joint is two sets of in the spout on disc surface the slider surface all is the arc setting, and two sets of slider slip opposite direction, the disc is equipped with the pole setting, be equipped with the extension spring between the right side wall upper portion of pole setting and bar shaped plate.

Compared with the prior art, the utility model has the beneficial effects that: the air film is formed in the anti-abrasion sleeve to support the air main shaft body after the two groups of air inlet ports are communicated with an external air source, the air main shaft body is prevented from contacting with the two groups of sealing plates, when the bearing is installed, the two groups of sliding blocks are controlled to be close to each other by the rotating strip-shaped plate, the inner ring of the bearing is sleeved on the surfaces of the two groups of sliding blocks, the two groups of sliding blocks are tightly propped against the inner ring of the bearing under the action of the tensile force of the tension spring to fix the bearing, the contact area of the arc-shaped surface of the sliding block and the bearing is larger, and the anti-falling effect is better;

the bearing assembling and disassembling device is simple to operate, the bearing is very convenient and fast to assemble and disassemble, labor intensity is reduced, working efficiency is improved, and bearing detection efficiency is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the connection structure of the shaft sleeve and the wear-resistant sleeve of the present invention;

FIG. 3 is a schematic structural view of the connection between the disk and two sets of sliders according to the present invention.

In the figure: 1. a spindle housing; 2. fixing a column; 3. a shaft sleeve; 4. a first air hole; 5. an air inlet interface; 6. an anti-wear sleeve; 7. a second air hole; 8. a limiting strip; 9. a limiting groove; 10. an air spindle body; 11. closing the plate; 12. a drive head; 13. a disc; 14. a rotating shaft; 15. a strip plate; 16. a pin shaft; 17. a connecting rod; 18. a slider; 19. a chute; 20. erecting a rod; 21. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a high-precision air spindle for automatic bearing detection equipment comprises a spindle shell 1, wherein the spindle shell 1 is arranged in a cylindrical shape, a spindle sleeve 3 is fixedly connected inside the spindle shell 1 through a fixing column 2, a plurality of groups of first air holes 4 are uniformly formed in the surface of the spindle sleeve 3, and the first air holes 4 are communicated with a cavity inside the spindle shell 1;

the inner wall of the shaft sleeve 3 is provided with a limiting groove 9, an anti-abrasion sleeve 6 is inserted into the shaft sleeve 3, the surface of the anti-abrasion sleeve 6 is provided with a limiting strip 8 and a plurality of groups of second air holes 7, the right side of the surface of the main shaft shell 1 is symmetrically provided with two groups of air inlet interfaces 5, the air inlet interfaces 5 are used for being connected with an external air source, the limiting strip 8 is clamped in the limiting groove 9 to prevent the anti-abrasion sleeve 6 from rotating in the shaft sleeve 3, and the second air holes 7 are communicated with the corresponding first air holes 4;

the left end and the right end of the main shaft shell 1 are fixedly connected with seal plates 11, an air main shaft body 10 penetrating through the two seal plates 11 is arranged in the anti-abrasion sleeve 6, the left end and the right end of the main shaft body 10 extend out from the main shaft shell 1, a transmission head 12 is arranged at the right end of the air main shaft body 10, and the transmission head 12 is connected with external driving equipment;

10 left ends of air main shaft body are equipped with disc 13, disc 13 center department has bar shaped plate 15 through 14 swing joint of pivot, bar shaped plate 15 is upper and lower both ends all have connecting rod 17 through 16 swing joint of round pin axle, the connecting rod 17 other end is equipped with slider 18, slider 18 slips in the spout 19 on disc 13 surface, disc 13 is equipped with pole setting 20, be equipped with extension spring 21 between pole setting 20 and bar shaped plate 15's the right side wall upper portion, under the natural state, under extension spring 21's tensile force effect, two sets of sliders 18 are in the state of keeping away from each other.

Specifically, the fixed columns 2 are four groups, two groups of fixed columns 2 are respectively arranged at the left end and the right end of the shaft sleeve 3, and firmness between the fixed columns 2 and the spindle shell 1 is enhanced.

Specifically, spacing groove 9 sets up three groups, and evenly distributed is on 3 inner walls of axle sleeve, spacing 8 also sets up three groups, and evenly distributed is on 6 surfaces of abrasionproof cover, when three spacing 8 cards of group go into three spacing inslots 9 of group, can ensure that second gas pocket 7 aligns with first gas pocket 4 that corresponds.

Specifically, the air inlet interface 5 penetrates through the spindle housing 1, and the air outlet end of the air inlet interface is communicated with the first air hole 4 through a cavity inside the spindle housing 1, so that air can smoothly enter the abrasion-proof sleeve 6 to form an air film.

Specifically, two sets of 18 surfaces of slider all are the arc setting, strengthen the fixed effect to the bearing inner race, and two sets of 18 slip opposite directions of slider.

Specifically, when the device is used, an external driving device is communicated with the transmission head 12, the two sets of air inlet ports 5 are communicated with an external air source, the strip-shaped plate 15 is rotated anticlockwise, the two sets of connecting rods 17 are movably connected with the strip-shaped plate 15 through the pin shafts 16, the connecting rods 17 are fixedly connected with the sliding blocks 18, and the sliding blocks 18 are connected in sliding grooves 19 in the surface of the disc 13 in a sliding mode, so that along with the rotation of the strip-shaped plate 15, the two sets of sliding blocks 18 slide along the corresponding sliding grooves 19 and are close to each other, then the inner ring of the bearing is sleeved on the surfaces of the two sets of sliding blocks 18, the rotation of the strip-shaped plate 15 is stopped, and the strip-shaped plate 15 is pulled to rotate clockwise under the action of the tensile force of the tension spring 21, so that the two sets of sliding blocks 18 fix the bearing;

after the bearing is fixed to be accomplished, start external air supply and let in gas in main shaft housing 1, gas gets into in the abrasionproof cover 6 and forms the air film along first gas pocket 4 and second gas pocket 7, support air main shaft body 10, make air main shaft body 10 not contact with two sets of shrouding 11, start external drive arrangement and drive air main shaft body 10 and rotate, air main shaft body 10 drives disc 13 and is rotated by the fixed bearing, can use bearing automated inspection equipment to detect the bearing this moment, detect and accomplish the back, the bearing can be taken off to anticlockwise rotation strip shaped plate 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high accuracy air spindle for bearing automated inspection equipment, includes spindle housing (1), its characterized in that: the spindle comprises a spindle shell (1), wherein a spindle sleeve (3) is fixedly connected inside the spindle shell (1) through a fixing column (2), a plurality of groups of first air holes (4) are uniformly formed in the surface of the spindle sleeve (3), a limiting groove (9) is formed in the inner wall of the spindle sleeve (3), an anti-abrasion sleeve (6) is inserted inside the spindle sleeve (3), a limiting strip (8) and a plurality of groups of second air holes (7) are formed in the surface of the anti-abrasion sleeve (6), two groups of air inlet connectors (5) are symmetrically arranged on the right side of the surface of the spindle shell (1), the limiting strip (8) is clamped in the limiting groove (9), the second air holes (7) are communicated with the corresponding first air holes (4), sealing plates (11) are fixedly connected to the left end and the right end of the spindle shell (1), an air spindle body (10) penetrating through the two groups of sealing plates (11) is arranged in the anti-abrasion sleeve (6), and a transmission head (12) is arranged at the right end of the air spindle body (10), air main shaft body (10) left end is equipped with disc (13), disc (13) center department has bar shaped plate (15) through pivot (14) swing joint, both ends all have connecting rod (17) through round pin axle (16) swing joint about bar shaped plate (15), the connecting rod (17) other end is equipped with slider (18), slider (18) sliding connection is in spout (19) on disc (13) surface, disc (13) are equipped with pole setting (20), be equipped with extension spring (21) between the right side wall upper portion of pole setting (20) and bar shaped plate (15).

2. A high precision air spindle for automatic bearing inspection equipment according to claim 1, characterized in that: the four groups of fixing columns (2) are arranged, and the left end and the right end of the shaft sleeve (3) are respectively provided with two groups of fixing columns (2).

3. A high precision air spindle for automatic bearing inspection equipment according to claim 1, characterized in that: spacing groove (9) set up three groups, and evenly distributed is on axle sleeve (3) inner wall, spacing (8) also set up three groups, and evenly distributed is on abrasionproof cover (6) surface.

4. A high precision air spindle for automatic bearing inspection equipment according to claim 1, characterized in that: the air inlet connector (5) penetrates through the spindle housing (1), and the air outlet end of the air inlet connector is communicated with the first air hole (4) through a cavity in the spindle housing (1).

5. A high precision air spindle for automatic bearing inspection equipment according to claim 1, characterized in that: the surfaces of the two groups of sliding blocks (18) are arranged in an arc shape, and the sliding directions of the two groups of sliding blocks (18) are opposite.