CN218534018U

CN218534018U - Synchronous pressing mechanism and bearing rust removal device

Info

Publication number: CN218534018U
Application number: CN202222949450.8U
Authority: CN
Inventors: 樊兵兵; 柯智强; 焦海; 柯奕
Original assignee: HUANGSHI BANGKE TECHNOLOGY CO LTD
Current assignee: HUANGSHI BANGKE TECHNOLOGY CO LTD
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-28
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a synchronous pressing mechanism and a bearing rust removal device, which comprises a shell, two driving rollers, a pressing cylinder and two pressing rollers; the two driving rollers are mutually parallel and rotatably arranged on the left side and the right side of the inner bottom of the shell, and the two pressing rollers are parallelly arranged on the left side and the right side of the inner top of the shell; the top parts of the front side surface and the rear side surface of the shell are respectively provided with two inclined guide grooves, the two inclined guide grooves are respectively arranged on the left side and the right side, and the bottoms of the inclined guide grooves are inclined inwards; both ends of the compression roller are in sliding fit with the inclined guide grooves; the pressing cylinder is arranged on one side of the shell, and the output end of the pressing cylinder is provided with a guide plate; horizontal transverse guide grooves are respectively formed in the left side and the right side of the guide plate, and one ends of the two compression rollers are respectively in sliding fit with the two transverse guide grooves; the utility model discloses a set up two pinch rolls to from top to bottom compress tightly the bearing in step through compressing tightly two pinch rolls of cylinder drive, can avoid taking place the bearing phenomenon of beating when the rotatory rust cleaning of bearing.

Description

Synchronous pressing mechanism and bearing rust removal device

Technical Field

The utility model relates to a technical field of bearing rust cleaning, concretely relates to synchronous hold-down mechanism and bearing rust cleaning device.

Background

The rust removal of the outer ring of the rolling bearing of the vehicle wheel set is an important means for ensuring the collection of the wheel set bearing manufacturing mark and the bearing inspection. In order to ensure accurate collection of manufacturing marks on the outer ring of the bearing and driving safety, a maintenance worker usually rotates the bearing and removes rust on the outer ring of the bearing and dust on a sealing cover of the bearing by using a metal worker, and about 6 minutes is needed for removing rust and dust on the outer rings of two bearings on one wheel. Therefore, the method is labor-consuming and time-consuming, and causes pollution to air, thereby seriously affecting the physical health of workers on site. With the development of science and technology, manual work is gradually replaced by automatic machines.

The bearing outer ring deruster generally comprises a through type and a stepping material moving type, wherein the through type is generally applied to a single machine and is independently used, and the stepping material moving type can be connected to a certain device of an automatic production line in series, such as bearing cleaning equipment. A pressing shaft is generally used for rust removal of a through bearing outer ring, so that bearing jumping phenomenon often occurs when the bearing rotates to remove rust; and the through bearing rust removal can generate impact on the bearing and equipment, and faults such as workpiece damage, equipment mechanical and electrical fastener loosening and the like occur. The phenomena greatly reduce the working efficiency of the bearing rust removal and the service life of equipment, and the accessories need to be overhauled or replaced at regular intervals.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides a synchronous hold-down mechanism and bearing rust cleaning device compresses tightly the bearing in step through two pinch rolls, avoids taking place the bearing phenomenon of beating when the rotatory rust cleaning of bearing.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a synchronous pressing mechanism comprises a shell, two driving rollers, a pressing cylinder and two pressing rollers; the two driving rollers are mutually parallel and rotatably arranged on the left side and the right side of the inner bottom of the shell, and the two pressing rollers are parallelly arranged on the left side and the right side of the inner top of the shell;

the top parts of the front side surface and the rear side surface of the shell are respectively provided with two inclined guide grooves, the two inclined guide grooves are respectively arranged on the left side and the right side, and the bottoms of the inclined guide grooves are inclined inwards; both ends of the compression roller are in sliding fit with the inclined guide grooves;

the pressing cylinder is arranged on one side of the shell, and the output end of the pressing cylinder is provided with a guide plate; the left side and the right side of the guide plate are respectively provided with a horizontal transverse guide groove, and one end of each of the two compression rollers is in sliding fit with the corresponding transverse guide groove.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the front side and the rear side of the shell are both provided with the pressing cylinders, and the output ends of the pressing cylinders are both provided with guide plates; and two ends of the compression roller are respectively in sliding fit with the transverse guide grooves on two sides.

Further, two driving rollers are movably installed in the housing up and down, and are connected with the bottom of the housing through an elastic support; the shell is provided with a first microswitch which is electrically connected with the compaction cylinder through a control circuit; the driving roller is matched with the first microswitch when moving to the lowest part.

Furthermore, a second microswitch is arranged on the shell, and the compression roller is matched with the second microswitch when positioned at the top.

Furthermore, the synchronous pressing mechanism also comprises a controller, and the controller is electrically connected with the pressing cylinder; the shell is further provided with a stop switch, and the first microswitch, the second microswitch and the stop switch are electrically connected with the controller through a control circuit.

Further, the control circuit includes a thyristor; one end of the second microswitch is connected with a power supply voltage, and the other end of the second microswitch is connected with a gate pole of the thyristor; after the first microswitch and the stop switch are connected in series, one end of the first microswitch is connected with the power supply voltage, and the other end of the first microswitch is connected with the anode of the thyristor; and the cathode of the thyristor is connected with the controller.

Further, the slopes of the inclined guide grooves are the same.

Further, the pinch roller and the driving roller are arranged in parallel; limiting plates are arranged on the inner walls of the front side and the rear side of the shell, and the limiting plates are matched with the two side faces of the wheel shaft.

The utility model also provides a bearing rust cleaning device, which comprises a support, a driving mechanism, a lifting mechanism, a rust cleaning mechanism and any one of the synchronous pressing mechanisms; the synchronous pressing mechanism is arranged on the support; the derusting mechanism is arranged below the synchronous pressing mechanism and is arranged on the support through the lifting mechanism.

Furthermore, the synchronous pressing mechanism comprises a controller, and the driving mechanism, the lifting mechanism, the derusting mechanism and the pressing cylinder are all electrically connected with the control mechanism.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. the utility model discloses a set up two pinch rolls to drive two pinch rolls through compressing tightly the cylinder and compress tightly the bearing from top to bottom in step, can avoid taking place the bearing phenomenon of beating when the bearing rotates to remove rust, through the flexible distance of adjusting the pressure cylinder, still can adjust the packing force to the bearing;

2. by arranging the limiting plate, the bearing can be prevented from generating axial displacement in the rotating process;

3. through setting up first micro-gap switch, second micro-gap switch and controller, can compress tightly the bearing automatically after the bearing gets into synchronous hold-down mechanism.

Drawings

Fig. 1 is a schematic structural diagram of a synchronous pressing mechanism according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural diagram of a control circuit according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a bearing rust removing device provided by the second embodiment of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a support; 2. a synchronous pressing mechanism; 21. a housing; 211. an inclined guide groove; 22 drive rollers; 23. A pressure roller; 24. mounting a bracket; 25. a spring; 26. a limiting plate; 27. a pressing cylinder; 28. a guide plate; 281. a transverse guide plate; 3. a lifting mechanism; 4. a derusting mechanism.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, 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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Example one

A synchronous pressing mechanism 2 includes a housing 21 and two driving rollers 22 and two pressing rollers 23 provided in the housing 21.

The housing 21 is open at both the top and bottom, and the bearings are put into the housing 21 or taken out of the housing 21 from the top opening of the housing 21. The bottom of the bearing is exposed from the bottom opening of the housing 21, facilitating rust removal of the bearing at the bottom opening of the housing 21.

Both the driving rollers 22 are horizontally disposed in the front-rear direction and are disposed in parallel at the left and right sides of the bottom inside the housing 21 for supporting bearings. Both ends of the two driving rollers 22 are rotatably connected to mounting brackets 24, respectively, the mounting brackets 24 are slidably connected to the housing 21 up and down, and the mounting brackets 24 are connected to the housing 1 by springs 25.

As shown in fig. 2, the middle parts of the inner walls of the front and rear sides of the housing 21 are provided with limit plates 26, the tops of the limit plates 26 are bent outwards, and the bent parts are provided with chamfers. The two limit plates 26 are respectively matched with the two side surfaces of the bearing, so that the bearing is prevented from generating axial displacement in the rotating process.

All be provided with on the outer wall of the front and back both sides of casing 1 and compress tightly cylinder 27, two output shafts that compress tightly cylinder 27 all upwards stretch out to all be connected with deflector 28 on two output shafts that compress tightly cylinder 27. The two guide plates 28 are provided with lateral guide grooves 281 on the left and right sides thereof, respectively. In addition, the left and right sides of the top of the front and back sides of the housing 1 are provided with inclined guide grooves 211, the bottoms of the inclined guide grooves 211 are inclined towards the center of the housing, and the slopes of the two inclined guide grooves 211 are the same. Both ends of the two pressing rollers 23 are slidably fitted with the corresponding lateral guide grooves 281, respectively, while both ends of the pressing rollers 23 are slidably fitted with the corresponding oblique guide grooves 211, respectively.

When the output end of the pressing cylinder 27 is shortened and the guide plate 28 is pulled down, the two pressing rollers 23 are respectively moved obliquely downward along the oblique guide grooves 211 on the left and right sides, and the two pressing rollers 23 are moved close to each other and symmetrically to the top two sides of the bearing to press the bearing.

When the output end of the pressing cylinder 27 is extended and pushes up the guide plate 28, the two pressing rollers 23 are respectively moved obliquely upward along the oblique guide grooves 211 on the left and right sides, and the bearings are released and moved to both sides so that the bearings can be easily taken out.

In addition, a first microswitch S1 and a second microswitch S2 are arranged on the housing 21, and both the first microswitch S1 and the second microswitch S2 are normally open switches. The first microswitch S1 is arranged at the lower part of the housing 1, and when the driving roller 22 moves to the lowest part, the first microswitch S1 is triggered to close the first microswitch S1. The second microswitch S2 is arranged at the upper part of the housing 1, and when the pinch roller 23 moves to the uppermost position, the second switch S2 is triggered to close the second switch S2.

A stop switch S3 is further disposed on an outer side wall of the housing 1, and in this embodiment, the stop switch S3 is a push button type normally closed switch.

The first microswitch S1, the second microswitch S2 and the stop switch S3 are all connected with a controller through a control circuit, and the controller is connected with the pressing cylinder 27. In this embodiment, the controller is a chip U1, and the control circuit includes a thyristor T1. Specifically, one end of the second microswitch S2 is connected to a 5V power supply voltage, and the other end is connected to the gate of the thyristor T1. After the first microswitch S1 and the stop switch S3 are connected in series, one end of the first microswitch is connected with 5V power supply voltage, and the other end of the first microswitch is connected with the anode of the thyristor T1. The cathode of the thyristor T1 is connected with the chip U1.

After the bearing is placed into the shell 21, the bearing presses the two driving rollers 22 downwards to enable the first microswitch S1 to be closed, the anode of the thyristor T1 is electrified, and meanwhile, the pressing roller 23 is located at the uppermost end, the second microswitch S2 is closed, and the gate pole of the thyristor T1 is electrified, so that the thyristor T1 is conducted, the chip U1 receives an electric signal from the thyristor T1, and the pressing cylinder 27 is driven to pull the two pressing rollers 23 downwards to press the bearing. After the pressing roller 23 moves downwards, the second microswitch S3 is turned off, the gate of the thyristor T1 is not energized, and the thyristor T1 remains on.

After the rust removal of the bearing is completed, the stop switch S3 can be pressed down to turn off the stop switch S3, the anode of the thyristor T1 is not electrified, so that the thyristor T1 is turned off, the chip U1 stops receiving the electric signal from the thyristor T1, the pressing air cylinder 27 is driven to push the two pressing rollers 27 upwards to loosen the bearing, and the bearing can be taken out of the shell 21 at this time.

When the two pressure rollers 27 return to the uppermost position, the second microswitch S2 is closed again and the gate of the thyristor T1 is energized. At this time, a new bearing is put in again to close the first microswitch S1, so that the anode of the thyristor T1 is electrified again, the two pressing rollers 23 move downwards to press the new bearing, and then the rust removal of the new bearing can be completed.

The utility model discloses a set up two pinch rolls 23 to through compressing tightly two pinch rolls 23 of cylinder 27 drive synchronous pressure bearing from top to bottom, can avoid taking place the phenomenon that the bearing is beated when the rotatory rust cleaning of bearing, through the telescopic distance who adjusts the pressure cylinder 27, still can adjust the packing force to the bearing. In addition, the first microswitch S1, the second microswitch S2 and the controller are arranged, so that the bearing can be automatically pressed after entering the synchronous pressing mechanism.

Example two

A bearing rust removing device comprises a support 1, a driving mechanism (not shown in the figure), a lifting mechanism 3, a rust removing mechanism 4 and a synchronous pressing mechanism 2 in the first embodiment.

The synchronous pressing mechanism 2 and the driving mechanism are both arranged on the support 1, and the driving mechanism is in transmission connection with the two driving rollers 22 and can adopt belt connection, gear connection or other connection modes. The drive mechanism is used to drive the two drive rollers 22 in rotation, thereby driving the bearings in rotation.

The derusting mechanism 4 is installed on the support 1 through the lifting mechanism 3, the derusting mechanism 4 is located below the synchronous pressing mechanism 2, and the lifting mechanism 3 can drive the derusting mechanism 4 to ascend, so that the outer ring of the bearing is derusted.

In addition, the driving mechanism, the lifting mechanism 3 and the derusting mechanism 4 are all electrically connected with the chip U1. When the chip U1 receives the electric signal from the thyristor T1, control signals are sent to the driving mechanism, the lifting mechanism 3 and the derusting mechanism 4 at the same time, and the derusting of the bearing is automatically started.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A synchronous pressing mechanism is characterized by comprising a shell, two driving rollers, a pressing cylinder and two pressing rollers; the two driving rollers are mutually parallel and rotatably arranged on the left side and the right side of the inner bottom of the shell, and the two pressing rollers are parallelly arranged on the left side and the right side of the inner top of the shell;

2. The synchronous pressing mechanism according to claim 1, wherein the pressing cylinders are arranged on the front side and the rear side of the housing, and the output ends of the pressing cylinders are provided with guide plates; and two ends of the compression roller are respectively in sliding fit with the transverse guide grooves on two sides.

3. The synchronous pressing mechanism according to claim 1, wherein two of said driving rollers are mounted in said housing movably up and down and connected to the bottom of said housing by an elastic support; the shell is provided with a first microswitch which is electrically connected with the compaction cylinder through a control circuit; the driving roller is matched with the first microswitch when moving to the lowest part.

4. The synchronous pressing mechanism according to claim 3, wherein a second microswitch is arranged on the housing, and the pressing roller is matched with the second microswitch when the pressing roller is positioned at the top.

5. The synchronized compaction mechanism of claim 4, further comprising a controller electrically connected to the compaction cylinder; the shell is further provided with a stop switch, and the first microswitch, the second microswitch and the stop switch are electrically connected with the controller through a control circuit.

6. The synchronous compacting mechanism of claim 5, wherein the control circuit includes a thyristor; one end of the second microswitch is connected with a power supply voltage, and the other end of the second microswitch is connected with a gate pole of the thyristor; after the first microswitch and the stop switch are connected in series, one end of the first microswitch is connected with the power supply voltage, and the other end of the first microswitch is connected with the anode of the thyristor; and the cathode of the thyristor is connected with the controller.

7. The synchronous pressing mechanism according to claim 1, wherein the slopes of the inclined guide grooves are the same.

8. The synchronous compacting mechanism of claim 1 wherein the compacting roller and the drive roller are arranged in parallel; limiting plates are arranged on the inner walls of the front side and the rear side of the shell, and the limiting plates are matched with the two side faces of the wheel shaft.

9. A bearing rust removing device is characterized by comprising a support, a driving mechanism, a lifting mechanism, a rust removing mechanism and a synchronous pressing mechanism as claimed in any one of claims 1 to 8; the synchronous pressing mechanism is arranged on the support; the derusting mechanism is arranged below the synchronous pressing mechanism and is arranged on the support through the lifting mechanism.

10. The rust removing device for the bearing of claim 9, wherein the synchronous pressing mechanism comprises a controller, and the driving mechanism, the lifting mechanism, the rust removing mechanism and the pressing cylinder are electrically connected with the controller.