CN220481641U

CN220481641U - Leveling workbench

Info

Publication number: CN220481641U
Application number: CN202322083024.5U
Authority: CN
Inventors: 徐彦鹏; 江劲松; 王泽兵; 沈华贵; 唐建迎; 廖建平; 仵磊磊; 廖栋华
Original assignee: Guangzhou Xinheng Pump Manufacturing Co ltd
Current assignee: Guangzhou Xinheng Pump Manufacturing Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-13
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to the technical field of part inspection, and discloses a leveling workbench, which comprises: the bearing seat is provided with a mounting hole, and the central axis of the hole of the mounting hole extends up and down; the rotating assembly comprises a rotating shaft and a bearing, wherein the rotating shaft is coaxially inserted into the mounting hole, and the top of the rotating shaft protrudes out of the mounting hole upwards; the bearing is provided with at least one, is axially fixedly installed in the installation hole and is assembled on the outer peripheral side of the rotating shaft; the top plate is coaxially connected to the top of the rotating shaft and is provided with a workpiece placing table top. According to the utility model, the measured workpiece is placed on the workpiece placing table surface of the top plate, the top plate is rotated to drive the measured workpiece to synchronously rotate, and the circumferential runout of the measured workpiece can be checked by matching with the existing measuring tools such as the dial indicator, the dial indicator and the like, so that the measured workpiece is not required to be clamped on a machine tool, the structure is simple, the operation is convenient, and the efficiency is improved.

Description

Leveling workbench

Technical Field

The utility model relates to the technical field of part inspection, in particular to a leveling workbench.

Background

Circumferential runout refers to the difference between the maximum and minimum readings measured by a fixed position indicator in a given direction for one revolution of the workpiece being measured about the reference axis. At present, in daily inspection part circumference beat work, often need with the product clamping on the lathe just can inspect, this kind of inspection mode, efficiency is lower, and waste time has brought the difficulty for inspection work.

Disclosure of Invention

The utility model aims to provide a leveling workbench, which solves the problems of low efficiency and difficult operation in the prior art that parts are clamped on a machine tool for circumferential runout inspection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the leveling workbench comprises:

the bearing seat is provided with a mounting hole, and the central axis of the hole of the mounting hole extends up and down;

the rotating assembly comprises a rotating shaft and a bearing, wherein the rotating shaft is coaxially inserted into the mounting hole, and the top of the rotating shaft protrudes out of the mounting hole upwards; the bearing is provided with at least one, is axially fixedly installed in the installation hole and is assembled on the outer peripheral side of the rotating shaft;

the top plate is coaxially connected to the top of the rotating shaft and is provided with a workpiece placing table top.

Preferably, the leveling workbench further comprises a bearing cover detachably mounted at the upper orifice of the mounting hole, the bearing cover being provided with a downwardly extending extension plate which abuts on the bearing adjacent thereto.

Preferably, the bearing gland is provided with a first oil nozzle.

Preferably, the mounting hole is a through hole penetrating up and down; the bearing seat is provided with an oil baffle disc, the oil baffle disc covers the lower orifice of the mounting hole, and the oil baffle disc is provided with a second oil nozzle.

Preferably, the rotating assembly further comprises a shaft sleeve sleeved on the outer peripheral side of the rotating shaft, and the upper portion of the shaft sleeve and the lower portion of the shaft sleeve are respectively abutted with two adjacent bearings.

Preferably, the rotating assembly further comprises a fastener provided with internal threads, the fastener being threadedly mounted on the bottom of the rotating shaft, the fastener abutting the bearing adjacent thereto.

Preferably, the rotating shaft is a stepped shaft, and the bearing abuts against a stepped surface of the rotating shaft.

Preferably, the mounting hole is a stepped hole, and the bearing abuts on a step of the stepped hole.

Preferably, a connecting plate is coaxially arranged at the top of the rotating shaft, and the connecting plate is detachably connected with the top plate.

Preferably, a groove is formed in the lower surface of the top plate, and the connecting plate is embedded in the groove.

Compared with the prior art, the leveling workbench has the beneficial effects that:

according to the leveling workbench disclosed by the embodiment of the utility model, the rotating assembly is arranged in the mounting hole of the bearing seat, wherein the bearing is axially fixedly arranged in the mounting hole and is assembled on the rotating shaft, so that the axial displacement of the bearing in the mounting hole is limited, the rotating shaft can relatively rotate in the mounting hole, and the top plate is connected to the top of the rotating shaft, so that the top plate can synchronously rotate along with the rotating shaft. When the device is used, the workpiece to be measured is placed on the workpiece placement table surface of the top plate, the top plate is rotated, the top plate drives the workpiece to be measured to synchronously rotate, the circumferential runout of the workpiece to be measured can be detected by matching with the existing measuring tools such as a dial indicator or a dial indicator, the workpiece to be measured is not required to be clamped on a machine tool, the device is simple in structure and convenient to operate, and the efficiency is improved.

Drawings

FIG. 1 is a schematic view of a leveling station according to an embodiment of the present utility model;

in the figure, 10, a bearing seat; 101. a mounting hole; 11. a bearing gland; 12. a first oil nozzle;

20. a rotating shaft; 201. a connecting plate; 21. a first bearing; 22. a second bearing; 23. a shaft sleeve; 24. a fastener;

30. a top plate;

40. a windage tray; 41. a second oil nozzle;

50. a bolt assembly; 501. a bolt; 502. a first gasket; 503. and a second gasket.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1, the leveling workbench of the embodiment of the utility model comprises a bearing seat 10, a rotating assembly and a top plate 30, wherein a mounting hole 101 is arranged on the bearing seat 10, and the central axis of the hole of the mounting hole 101 extends up and down; the rotating assembly comprises a rotating shaft 20 and a bearing, wherein the rotating shaft 20 is coaxially inserted into the mounting hole 101, and the top of the rotating shaft 20 protrudes upwards from the mounting hole 101 so as to expose the top of the rotating shaft 20; the bearing is provided with at least one, is axially fixedly mounted in the mounting hole 101 and is assembled on the outer peripheral side of the rotating shaft 20, so as to limit the axial displacement of the bearing in the mounting hole 101 and enable the rotating shaft 20 to relatively rotate in the mounting hole 101; the top plate 30 is coaxially connected to the top of the rotating shaft 20, so that the top plate 30 can rotate synchronously with the rotating shaft 20; the top plate 30 is provided with a workpiece placing table surface for placing the workpiece to be tested.

The workpiece to be tested is placed on the workpiece placement table surface of the top plate 30, the top plate 30 is rotated, the top plate 30 drives the workpiece to be tested to synchronously rotate, the circumference runout of the workpiece to be tested can be tested by matching with the existing measuring tools such as a dial indicator or a dial indicator, and the like, the workpiece to be tested is not required to be clamped on a machine tool, and the machine tool is simple in structure, convenient to operate and high in efficiency. Through the leveling workbench of this embodiment, can realize that subaerial circumference that can inspect out the part beats, do not inspect on the lathe, be convenient for maintain, simple structure effectively reduces the resource loss, provides inspection efficiency, promotes the product quality, practices thrift the cost.

A measuring tool such as a dial gauge or a dial indicator is fixed at a position above the top plate 30, and a separate fixing bracket may be provided to fix the measuring tool. In the process that the measured workpiece rotates along with the top plate 30 and the rotating shaft 20, the circumferential runout of the measured workpiece is measured through measuring tools such as a dial indicator or a dial indicator.

As shown in fig. 1, a connecting plate 201 is coaxially disposed at the top of the rotating shaft 20, the connecting plate 201 is detachably connected with the top plate 30, so that the top plate 30 is convenient to disassemble and assemble, the connecting plate 201 is in surface contact with the top plate 30, the connecting plate 201 can provide a certain support for the top plate 30, and the rotating stability of the top plate 30 is improved. In this embodiment, the connection plate 201 is integrally formed with the rotation shaft 20.

Further, a groove is formed in the lower surface of the top plate 30, and the connecting plate 201 is embedded in the groove, so that the stability of connection between the connecting plate 201 and the top plate 30 is improved.

In this embodiment, the rotating assembly further includes a shaft sleeve 23, the shaft sleeve 23 is sleeved on the outer peripheral side of the rotating shaft 20, the upper portion of the shaft sleeve 23 and the lower portion of the shaft sleeve 23 are respectively abutted with two adjacent bearings, and the shaft sleeve 23 is used for axially positioning and fixing the two adjacent bearings. When the rotation shaft 20 rotates, the sleeve 23 rotates with the rotation shaft 20.

In this embodiment, the rotating assembly further includes a fastener 24, the fastener 24 is provided with internal threads, the fastener 24 is assembled at the bottom of the rotating shaft 20 by threads, the fastener 24 abuts against the adjacent bearing, and the fastener 24 tightly pushes and fixes the bearing on the rotating shaft 20, so as to avoid axial movement of the bearing on the rotating shaft 20. The fastener 24 is a round nut.

In this embodiment, the rotating shaft 20 is a step shaft, and the bearing abuts against the step surface of the rotating shaft 20, so that the bearing is convenient to position and install.

In this embodiment, the mounting hole 101 is a stepped hole, and the bearing abuts against a step of the stepped hole, so that positioning and mounting of the bearing are facilitated. The aperture of the stepped hole is big up and small down. The lower side of the bearing is propped against the step of the stepped hole, the upper side of the bearing can be propped against the step surface of the rotating shaft 20, and the bearing is axially limited by means of the step arrangement of the stepped shaft and the stepped hole.

As shown in fig. 1, the leveling work table further includes a bearing cover 11 detachably mounted at the upper aperture of the mounting hole 101, the bearing cover 11 being provided with a downwardly extending extension plate. The bearing gland 11 is horizontally arranged, the extending plate vertically extends downwards, the lower edge of the extending plate is abutted against the adjacent bearing to compress the bearing, and the axial displacement of the bearing is limited by the bearing gland 11, so that the bearing is fixed in the axial direction. The extension plate abuts against the upper side of the bearing, and the lower side of the bearing may abut against the step surface of the rotating shaft 20 and/or the sleeve 23. The bearing cover 11 covers the upper orifice of the mounting hole 101, the bearing cover 11 may be formed of two split covers, which are butted to form a complete bearing cover 11, and after the rotating shaft 20 is mounted, the mounting of the bearing cover 11 is facilitated.

The bearing cover 11 is provided with a first oil nozzle 12, so that lubricating oil can be conveniently poured between the bearing and the rotating shaft 20, and the rotating shaft 20 can rotate smoothly. The lubricating oil may be butter.

The extension plate of the bearing cover 11 may abut against the inner or outer race of the bearing. When the bearing gland 11 is abutted against the bearing inner ring, the extension plate is tightly attached to the rotating shaft 20, a first gap is formed between the extension plate and the hole wall of the mounting hole 101, and the first oil nozzle 12 is arranged on the bearing gland 11 opposite to the first gap; when the bearing cover 11 abuts against the bearing outer ring, a second gap is provided between the extension plate and the rotating shaft 20, and the first nipple 12 is provided on the bearing cover 11 opposite to the second gap.

In this embodiment, the mounting hole 101 is a through hole penetrating up and down; the bearing seat 10 is provided with a windage tray 40, the windage tray 40 is arranged to cover the lower orifice of the mounting hole 101, and the windage tray 40 is provided with a second nozzle 41. The windage tray 40 can both catch the falling butter and prevent dust. The grease collected on the windage tray 40 is conveniently poured out through the second nipple 41.

In the embodiment, two bearings are provided, namely a first bearing 21 and a second bearing 22, the first bearing 21 and the second bearing 22 are arranged at intervals up and down, a shaft sleeve 23 is arranged between the first bearing 21 and the second bearing 22, and the first bearing 21 and the second bearing 22 are positioned and fixed through the shaft sleeve 23; the bearing cover 11 is abutted against the upper side of the bearing inner ring or the upper side of the bearing outer ring of the first bearing 21, the upper side of the bearing inner ring of the first bearing 21 is also abutted against the step surface of the rotating shaft 20, the lower side of the bearing inner ring of the first bearing 21 is abutted against the step of the mounting hole 101, and the lower side of the bearing outer ring of the first bearing 21 is abutted against the shaft sleeve 23. The upper side of the bearing inner race of the second bearing 22 abuts against the step surface of the rotating shaft 20, the upper side of the bearing outer race of the second bearing 22 abuts against the boss 23, the lower side of the bearing inner race of the second bearing 22 abuts against the fastener 24, and the lower side of the bearing outer race of the second bearing 22 abuts against the step of the mounting hole 101. The first bearing 21, the shaft sleeve 23 and the second bearing 22 are locked and fixed in the axial direction by the fastening piece 24 in threaded sleeve connection with the bottom of the rotating shaft 20 and combined with the compression of the bearing gland 11, so that the first bearing 21, the shaft sleeve 23 and the second bearing 22 are prevented from axially moving on the rotating shaft 20. In this embodiment, the first bearing 21 is a cylindrical roller bearing, and the second bearing 22 is a deep groove ball bearing. Alternatively, in other embodiments, the bearings may be provided in one, three, etc.

In this embodiment, the bearing cover 11 is detachably connected to the bearing seat 10, the oil baffle disc 40 is detachably connected to the bearing seat 10, and the top plate 30 is detachably connected to the connecting plate 201 through the bolt assembly 50. The bolt assembly 50 includes a bolt 501, a first washer 502, and a second washer 503, the second washer 503 being in contact with the connection plate 201, the bearing gland 11, or the windage tray 40, the first washer 502 being disposed between the second washer 503 and the bolt 501 head of the bolt 501. The first spacer 502 is a flat washer and the second spacer 503 is a spring washer.

The working process of the utility model is as follows:

the rotating shaft 20 is axially connected with the first bearing 21, then the shaft sleeve 23 is installed, and the second bearing 22 is installed at the same time, so that jacking is performed; then installing a round nut, and propping up the first bearing 21, the shaft sleeve 23 and the second bearing 22 to prevent loosening; a windage tray 40 is then installed to catch the dropped butter. An assembly of the rotation shaft 20, the first bearing 21, the sleeve 23, the second bearing 22 and the round nut is mounted in the mounting hole 101 of the bearing housing 10, and is pressed against the second bearing 22 by the bearing cover 11. The top plate 30 is mounted on the connection plate 201 of the rotation shaft 20. The measured workpiece is placed on the top plate 30, the top plate 30 is rotated to drive the measured workpiece to rotate, meanwhile, the top plate 30, the rotating shaft 20, the shaft sleeve 23 and the round nut are used as a whole to synchronously rotate, and in the rotating process, the circumferential runout of the measured workpiece is inspected and measured through measuring tools such as a dial indicator or a dial indicator.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A leveling station, comprising:

the bearing seat (10) is provided with a mounting hole (101), and the central axis of the hole of the mounting hole (101) extends up and down;

the rotating assembly comprises a rotating shaft (20) and a bearing, wherein the rotating shaft (20) is coaxially inserted into the mounting hole (101) and the top of the rotating shaft (20) protrudes upwards from the mounting hole (101); the bearing is provided with at least one, is axially fixedly mounted in the mounting hole (101) and is assembled on the outer peripheral side of the rotating shaft (20);

the top plate (30) is coaxially connected to the top of the rotating shaft (20), and the top plate (30) is provided with a workpiece placing table top.

2. The leveling work bench according to claim 1, characterized in that it further comprises a bearing cover (11) detachably mounted at the upper aperture of said mounting hole (101), said bearing cover (11) being provided with a downwardly extending extension plate abutting on said bearing adjacent thereto.

3. The leveling work bench according to claim 2, characterized in that the bearing cover (11) is provided with a first nipple (12).

4. A leveling work bench according to claim 1 or 3, characterized in that said mounting hole (101) is a through hole penetrating up and down; the bearing seat (10) is provided with an oil baffle disc (40), the oil baffle disc (40) is arranged to cover the lower orifice of the mounting hole (101), and the oil baffle disc (40) is provided with a second oil nozzle (41).

5. The leveling work bench according to claim 1, characterized in that said rotation assembly further comprises a shaft sleeve (23), said shaft sleeve (23) is sleeved on the outer peripheral side of said rotation shaft (20), and an upper portion of said shaft sleeve (23) and a lower portion of said shaft sleeve (23) are respectively abutted against two adjacent bearings.

6. The leveling work bench according to claim 1, characterized in that said rotation assembly further comprises a fastener (24), said fastener (24) being provided with an internal thread, said fastener (24) being threadedly mounted on the bottom of said rotation shaft (20), said fastener (24) being in abutment with said bearing adjacent thereto.

7. The leveling work bench according to claim 1, characterized in that said rotation shaft (20) is a stepped shaft, said bearing being in abutment with a stepped surface of said rotation shaft (20).

8. The leveling work bench according to claim 1, characterized in that said mounting hole (101) is a stepped hole, said bearing abutting on a step of said stepped hole.

9. The leveling work bench according to claim 1, characterized in that the top of the rotation shaft (20) is coaxially provided with a connection plate (201), said connection plate (201) being detachably connected with the top plate (30).

10. The leveling work bench according to claim 9, characterized in that the lower surface of the top plate (30) is provided with a groove, in which groove the connecting plate (201) is embedded.