CN113108231A - Bearing machining process and bearing grease injection equipment - Google Patents

Abstract

The utility model relates to a technical field of bearing processing especially relates to a bearing processing technology and bearing annotate fat equipment, wherein, the fat equipment is annotated to the bearing is including annotating fat quick-witted main part, a plurality ofly establishing annotating fat mould in annotating fat quick-witted main part, establish driving motor on annotating fat quick-witted main part side, can dismantle the transmission of being connected with driving motor's power output shaft, a plurality ofly can dismantle the jacking piece of being connected with transmission and along the bearing of the perpendicular connection at jacking piece top of horizontal direction and get and put the device. This application has the machining efficiency who improves the bearing, makes the notes fat volume more accurate, reduces the waste of grease, makes the bearing course of working labour saving and time saving more.

Description

Bearing machining process and bearing grease injection equipment

Technical Field

The application relates to the technical field of bearing processing, in particular to a bearing processing technology and bearing grease injection equipment.

Background

At present, a bearing is a common part in modern mechanical equipment, and the bearing mainly plays a role in supporting a mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body. In the related technology, the bearing machining process mainly comprises three stages of turning, grinding and part assembly.

For some small production enterprises or when producing some small-batch types of bearings, the cost of using a large-scale bearing production line is too high, so that the machining step of grease injection is completed for the bearings by using a manual grease injection mode.

Aiming at the related technologies, the inventor thinks that the bearing processing efficiency is low, the waste of grease is easily caused, the time and the labor are wasted, and the grease injection quantity is greatly influenced by human factors, so that the problem of overlarge grease injection quality difference is easily caused.

Disclosure of Invention

In order to improve the machining efficiency of the bearing, the grease injection amount of the bearing is more accurate, the waste of grease is reduced, and the time and labor are saved in the bearing machining process, the application provides a bearing machining process and bearing grease injection equipment.

In a first aspect, the present application provides a bearing processing technology, including the following steps:

cutting the pipe material into blank materials of outer rings and inner rings of the bearings or forging the bar materials into blank materials of the outer rings and the inner rings;

turning the outer ring blank and the inner ring blank to form the inner diameter, the outer diameter, the end surface, the chamfer and the channel of the outer ring blank and the inner ring blank;

carrying out coarse grinding on the turned inner ring and the turned outer ring;

performing ultra-precision grinding operation on the inner ring and the outer ring after the rough grinding;

carrying out bearing assembly operation, adding a steel ball into a groove between the outer ring and the inner ring, and then installing a retainer;

cleaning, drying and checking the assembled bearing for later use;

injecting grease into the bearing qualified by inspection by using bearing grease injection equipment;

installing a sealing ring on a bearing filled with grease;

and (4) homogenizing the bearing provided with the sealing ring and smearing anti-rust oil.

By adopting the above scheme, the inner ring and the outer ring of the bearing are assembled and formed together with the steel ball and the retainer after turning and grinding, and then the grease injection equipment is used for injecting grease, so that the efficiency of the bearing machining process is higher, the time and the labor are saved, and the grease injection of the machine is more accurate than the manual consumption and is not easy to cause waste.

In a second aspect, the application further provides a bearing grease injection device, which is used in the bearing machining process and comprises a grease injection machine main body, a plurality of grease injection molds arranged on the grease injection machine main body, a driving motor arranged on the side face of the grease injection machine main body, a transmission device detachably connected with a power output shaft of the driving motor, a plurality of jacking pieces detachably connected with the transmission device, and a bearing taking and placing device vertically connected to the tops of the jacking pieces along the horizontal direction.

By adopting the technical scheme, when the bearing is placed on the upper surface of the grease injector main body, the control system in the grease injector main body can control the bearing taking and placing device to fix the bearing, the jacking piece can lift the bearing, then the driving device drives the transmission device to move, the transmission device drives the jacking piece and the bearing taking and placing device to move, the bearing is stopped until the bearing is positioned right above the grease injection mold, the jacking piece descends to drive the bearing to abut against the bearing mold, then the grease injector main body is started, grease is injected into the bearing through the grease injection mold, after the grease injection of a plurality of bearings is completed at one time, the jacking piece rises to separate the bearing from the grease injection mold, then the transmission device operates under the driving of the driving motor again to drive the jacking piece to move to the bearing blanking position, so that the bearing taking and placing device puts down the bearing, the simultaneous grease injection processing of a plurality of bearings is completed, and the operation is repeated in, the grease injection of a batch of bearings can be completed quickly, the production efficiency of whole bearing processing is improved, time and labor are saved, and the grease injection amount in the bearings is more accurate.

Optionally, still be equipped with a plurality of proximity sensors on annotating the upper surface of fat machine main part, proximity sensor and annotate the interior control system electric connection of fat machine main part.

Through adopting above-mentioned technical scheme, when the bearing was placed on annotating the fat mould on annotating fat main part upper surface, proximity sensor can detect that the bearing has placed and annotates the fat position, then with signal transmission to annotating the control system in the fat main part, control system sends control signal, sets up and annotates the fat operation.

Optionally, the grease injection mold comprises a connector communicated with a grease pipeline in the grease injection main body, a grease injection mold body in threaded connection with the connector, a grease injection cover body in threaded connection with the grease injection mold body, and a grease injection head arranged on the grease injection cover body along the circumferential direction and used for being inserted into a bearing clearance.

By adopting the technical scheme, the connector is communicated with the grease pipeline, grease flows through the grease injection die body after passing through the connector, enters a cavity between the grease injection die body and the grease injection cover body, is discharged from the grease injection head and is injected into the bearing.

Optionally, the side of the grease injection cover body is provided with a dismounting hole.

Through adopting above-mentioned technical scheme, when annotating the fat lid and need wash the maintenance, during staff can use instruments such as screwdrivers to insert the dismantlement hole, then rotate and annotate the fat lid, make the dismantlement of annotating the fat lid maintain more convenient and fast.

Optionally, two sides of the grease injection head are provided with grease injection branch pipes.

Through adopting above-mentioned technical scheme, annotate the fat branch pipe and can avoid holder and the steel ball in the bearing, make grease accuracy and quick be poured into the clearance in the bearing, further improvement annotates fat efficiency.

Optionally, the transmission device comprises a driving wheel detachably connected with a power output shaft of the driving motor, a driven wheel installed on the side surface of the grease injection main body, a transmission chain meshed with the driving wheel and the driven wheel, and a plurality of installation blocks installed on the transmission chain at intervals;

the mounting block is detachably connected with the bottom end of the jacking piece.

Through adopting above-mentioned technical scheme, the action wheel begins to rotate under driving motor's drive, then drives drive chain and sets up the removal, and then drives from the driving wheel and drive chain moves along the horizontal direction to make jacking piece and bearing get and put the removal that the device accomplished the bearing.

Optionally, the jacking piece comprises a bottom plate detachably connected with the mounting block and an electric push rod connected with the bottom plate through a bolt.

By adopting the technical scheme, the bottom plate enables the electric push rod to be installed more firmly, and when the telescopic end of the electric push rod ascends or descends, the bearing taking and placing device is driven to move upwards or downwards so as to complete the taking and placing operation of the bearing.

Optionally, the bearing taking and placing device comprises a support rod detachably connected with the telescopic end of the electric push rod and an electromagnetic adsorption plate arranged on the support rod and far away from one end of the electric push rod.

Through adopting above-mentioned technical scheme, can produce magnetism after the electromagnetism adsorption plate circular telegram, make the bearing adsorbed on the electromagnetism adsorption plate, make the bearing get and put.

Optionally, a pressing plate is arranged on the upper surface of the electromagnetic adsorption plate.

By adopting the technical scheme, when the bearing is in grease injection operation, the bearing tends to move upwards, and the pressing plate can generate downward pressure to avoid the bearing from moving upwards.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the control system in the grease injection machine main body can control the bearing taking and placing device to fix the bearing, the jacking part can enable the bearing to rise, then the driving device drives the transmission device to move, the transmission device drives the jacking part and the bearing taking and placing device to move, the bearing stops when the bearing is positioned right above the grease injection mold, the jacking part drives the bearing to abut against the bearing mold after descending, then the grease injection machine main body is started, grease is injected into the bearing through the grease injection mold, after the grease injection of a plurality of bearings is completed at one time, the jacking part rises to enable the bearing to be separated from the grease injection mold, then the transmission device operates under the driving of the driving motor again to drive the jacking part to move to the bearing blanking position, the bearing device is enabled to put down the bearing, the simultaneous grease injection processing of a plurality of bearings by taking and placing once can be completed, the reciprocating is realized, the grease injection of a batch of bearings can be completed quickly, and the, time and labor are saved, and the grease injection amount in the bearing is more accurate;

2. annotate fat branch pipe in this application can avoid holder and steel ball in the bearing, makes during the clearance that grease is accurate and quick is poured into the bearing, and further improvement is annotated fat efficiency.

Drawings

Fig. 1 is a processing flow diagram of a bearing processing technology disclosed in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a bearing grease injection device according to an embodiment of the present application.

Fig. 3 is a schematic view for showing the connection between the driving motor and the transmission device in the embodiment of the present application.

Fig. 4 is a schematic view of the overall structure of the grease injection mold in the embodiment of the present application.

Fig. 5 is an exploded view of a greasing die in an embodiment of the present application.

Fig. 6 is a partially enlarged view of a portion a in fig. 2.

Description of reference numerals: 11. a grease injection machine main body; 111. a proximity sensor; 21. injecting a grease mold; 211. a connector; 212. injecting a grease mold body; 213. a grease injection cover body; 214. injecting a grease head; 2131. disassembling the hole; 2141. injecting a grease branch pipe; 31. a drive motor; 41. a transmission device; 411. a driving wheel; 412. a driven wheel; 413. a drive chain; 414. mounting blocks; 51. a jacking piece; 511. a base plate; 512. an electric push rod; 61. a bearing taking and placing device; 611. a strut; 612. an electromagnetic adsorption plate; 6121. and (7) pressing a plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

It should be understood that with the rapid development of the industry, the requirements on the rotating speed, the stability, the vibration value and the like of the bearing are higher and higher during the use process of the bearing, and the requirements on the lubricating performance of the bearing are stricter and stricter due to the fact that the bearing is large in load and small in clearance during operation and can generate friction and abrasion. Therefore, the lubricating performance of the bearing is increasingly required. In the related art, for some bearings of small batch types or in small and micro enterprises, a bearing production line capable of automatically injecting grease is not introduced due to the consideration of production cost, grease is generally injected into the bearings in a manual grease injection mode, but the specific part and the amount of grease injection cannot be determined by grease injection, and the manual grease injection has large labor amount and wastes time and labor. The influence of the grease injection amount on the service life of the bearing is very large, the grease filling amount is large, poor bearing lubrication is easily caused, the grease filling amount is too large, and the heat dissipation efficiency of the bearing is low. Therefore, the grease injection processing in the bearing processing technology is a very critical processing step, and needs to be improved.

The embodiment of the application discloses a bearing machining process. Referring to fig. 1, the bearing processing technology includes the following steps:

s101, cutting the pipe material into blank materials of outer rings and inner rings of the bearings or forging the bar materials into blank materials of the outer rings and the inner rings.

When the bearing outer ring and the bearing inner ring are manufactured by using the pipe material, the two pipe materials with different diameters need to be cut into small pipe bodies with the same length by using cutting equipment, and the small pipe bodies are used as blank materials for standby. When the raw material is a bar, a forging method is used for preparing a blank, and then annealing is carried out.

And S102, turning the outer ring blank and the inner ring blank by using a numerical control lathe.

Turning the outer ring blank and the inner ring blank by using a lathe to form the inner diameter, the outer diameter, the end surface, the chamfer and the channel of the outer ring blank and the inner ring blank, during processing, firstly roughly turning the inner diameter, the end surface and the chamfer of the outer ring and the inner ring, then roughly turning the outer diameter, the end surface and the chamfer of the outer ring and the inner ring, then finely turning the inner diameter, the end surface and the chamfer of the outer ring and the inner ring, and finally finely turning the outer diameter, the end surface and the chamfer of the outer ring and the inner ring. And finally, roughly turning and finely turning the channels of the outer ring and the inner ring. And the end surface of the pit is turned, and the turned surface has no defects of forging black scars, cracks, turning tool marks and the like. And after the inspection is qualified, putting the qualified outer ring and the qualified inner ring into the next processing step for processing.

And S103, carrying out coarse grinding on the turned inner ring and the turned outer ring.

During rough grinding, the planes, the outer diameters and the channels of the outer ring and the inner ring of the bearing are subjected to rough grinding by using a grinding machine, so that the surfaces of the outer ring and the inner ring are free of vibration marks and slightly damaged by naked eyes, and the outer ring and the inner ring after rough grinding are cleaned and then inspected for later use.

And S104, performing ultra-precision grinding operation on the inner ring and the outer ring after the rough grinding.

And (3) carrying out ultra-precision grinding processing on the outer ring and the inner ring after the rough grinding processing by using an outer groove ultra-precision grinding machine, wherein grinding marks and wire mesh marks are not allowed to be formed on the processing surface during ultra-precision grinding of the outer groove, and the outer ring and the inner ring are inspected to be qualified and then are reserved.

And S105, carrying out bearing assembly operation, adding a steel ball into a groove between the outer ring and the inner ring, and then installing a retainer.

The bearing assembling is carried out by a manual work and a sleeve combining instrument, the steel balls, the outer ring, the inner ring and the retainer are assembled, firstly, the outer ring and the inner ring are combined, the clearance is checked, then the steel balls are added, then the operation of separating the balls and adding the retainer is carried out, and finally, the operation of inserting the rivets and riveting is carried out, so that the assembly is completed.

And S106, cleaning, drying and checking the assembled bearing for later use.

And cleaning the assembled bearings by using a finished product cleaning machine until the hand feeling is free from dirt, and paying attention to the fact that the bearings are mutually knocked down to generate scratches during cleaning.

S107, injecting grease into the bearing qualified by inspection by using bearing grease injection equipment;

and injecting grease into the bearing qualified by inspection by using bearing grease injection equipment, wherein the amount of the injected grease is between 30 and 50 percent of the clearance of the bearing in general. Need not the manual work and rely on experience to pour into the grease into the bearing, improve the machining efficiency of bearing processing, more labour saving and time saving, and make the grease injection volume more accurate, avoid causing the grease extravagant.

And S108, mounting the sealing ring on the bearing filled with the grease.

The sealing ring is cleaned by gasoline, and then the sealing ring is arranged on the bearing. After assembly, inspection is carried out to ensure that the assembled bearing has no defects of deformation, incapability of abutting the sealing ring with the retainer or looseness and the like.

And S109, homogenizing the grease of the bearing with the sealing ring and coating antirust oil.

And (3) using a grease homogenizing machine to perform grease homogenizing operation on the bearing provided with the sealing ring, wherein the grease homogenizing time is not less than 10 seconds, and then coating anti-rust oil with the same type and the same base as the lubricating grease.

The embodiment of the application also discloses bearing grease injection equipment for injecting grease to the bearing in the embodiment, and with reference to fig. 2 and 3, the bearing grease injection equipment comprises a grease injection machine main body 11, a grease injection mold 21, a driving motor 31, a transmission device 41, a jacking piece 51 and a bearing taking and placing device 61. Wherein, a plurality of notes fat mould 21 sets up on the upper surface of annotating fat quick-witted main part 11, and driving motor 31 installs on the medial surface of annotating fat quick-witted main part 11, and driving motor 31's power output shaft stretches out and can dismantle with transmission 41 from annotating the side of fat quick-witted main part 11 and be connected, a plurality of jacking pieces 51 with can dismantle and connect on transmission 41, bearing is got and is put device 61 and is connected the top at jacking piece 51 along the horizontal direction is perpendicular.

When the grease injector main body 11 is started, the transmission device 41 and the plurality of bearing taking and placing devices 61 move the bearings to the grease injection mold 21, then the grease is conveyed to the grease injection mold 21 from a grease pipeline in the grease injector main body, and the grease is quantitatively injected into the bearings from the grease injection mold 21. Annotate the fat back of accomplishing, jacking piece 51 rises and makes bearing and notes fat mould break away from, and the drive of driving motor 31 drives the bearing and removes the district of unloading of annotating fat quick-witted main part 11 and lift off, and the automatic fat operation of annotating of bearing can be accomplished to reciprocating like this, labour saving and time saving improves bearing machining efficiency.

Specifically, referring to fig. 2, the grease injector main body 11 includes a housing, a grease barrel fixedly mounted in the housing by bolts, a grease pipeline having one end communicating with the interior of the grease barrel, an oil pump mounted on the grease pipeline, a regulating valve mounted on the grease pipeline, and a control system mounted on the housing, wherein the control system is electrically connected to the oil pump, the driving motor 31, the jacking member 51 and the bearing pick-and-place device 61 through wires, and the other end of the grease pipeline is communicated with the grease injecting mold 21.

It can be understood that, in order to make the time control of the grease injection operation more accurate and the grease injection amount more accurate, a proximity sensor 111 is installed on the upper surface of the grease injector body 11 near the grease injection mold 21, the proximity sensor 111 is electrically connected to a control system in the grease injector body 11 through a wire, when the bearing is moved onto the grease injection mold 21 by the bearing pick-and-place device 61, the proximity sensor 111 generates a detection signal and transmits the detection signal to the control system of the grease injector body 11, and the control system sends out a control signal and then starts the grease injection operation.

Referring to fig. 4 and 5, grease injection mold 21 includes connector 211, grease injection mold body 212, grease injection cover body 213 and grease injection head 214, wherein, connector 211 is made for the stepped pipe, the one end of connector 211 communicates with the grease pipeline in grease injection machine main body 11, grease injection mold body 212 and connector 211's other end threaded connection, grease injection mold body 212 comprises the die block of bolted connection on grease injection machine main body 11 upper surface and the post of the upper surface butt of die block, the through-hole has all been seted up between two parties to die block and post to the grease supply passes through. Annotate the medial surface threaded connection of the lateral surface of fat lid 213 and the die block of annotating the fat die body 212, annotate the upper surface butt of the bottom surface in the fat lid 213 and the mould post of annotating the fat die body 212, annotate and be equipped with the cylinder piece between two parties on the upper surface of fat lid 213 for carry on spacingly to the bearing inner race, be convenient for placing of bearing. The grease injection head 214 is a pipe body, the grease injection heads 214 are distributed on the upper surface of the grease injection cover body 213 along the circumferential direction, the grease injection heads 214 are used for being inserted between the inner ring and the outer ring of the bearing, the grease injection heads 214 and the grease injection cover body 213 are integrally formed, and the bottom surfaces of the grease injection heads 214 and the grease injection cover body 213 are provided with round holes to be communicated.

When the grease injection operation is started, grease is injected into the bearing from a grease pipe in the grease injector main body 11 through the connector 211, the bottom die of the grease injection mold body 212, the mold post of the grease injection mold body 212, the grease injection cover 213, and the grease injection head 214 in this order.

Further, in order to facilitate the removal and cleaning of the grease injection cap 213, a plurality of removal holes 2131 are formed in the side surface of the grease injection cap 213, and a worker may insert a removal tool such as a screwdriver into the removal holes 2131 and then apply a force to rotate the grease injection cap 213 to remove the grease injection cap 213.

It should be understood that, due to the presence of the retainer and the steel balls in the bearing, in order to enable the grease injection head 214 to avoid the steel balls and the retainer for grease injection operation, grease injection branch pipes 2141 are obliquely provided upward at both sides of the grease injection head 214, and the grease injection branch pipes 2141 are integrally formed with and communicate with the grease injection head 214. In addition, the grease injection branch pipe 2141 can divide grease, so that the grease is distributed in the bearing more uniformly, and the grease injection quality is better.

Referring to fig. 3, the driving motor 31 may be a speed-adjustable motor, and in order to prevent impurities in the bearing machining vehicle from falling onto the driving motor 31 and affecting the normal operation of the driving motor 31, in a possible embodiment of the present application, the driving motor 31 may be mounted on a side surface in the grease injector main body 11 by using bolts.

Referring to fig. 2, the transmission 41 is installed on the outer side surface of the grease injector body 11 on the side where the driving motor 31 is located. The transmission device 41 includes a driving wheel 411, a driven wheel 412, a transmission chain 413 and a mounting block 414.

Specifically, the driving wheel 411 may be detachably connected to the power output shaft of the driving motor 31 by using a shaft coupling. The rotating shaft of the driving wheel 411 is arranged on the side surface of the grease injector main body 11 in a penetrating way. The rotating shaft of the driven wheel 412 is also arranged on the same side of the grease injector body 11 with the driving wheel 411 in a penetrating manner, and the geometric center of the driving wheel 411 and the geometric center of the driven wheel 412 are on the same horizontal plane. The transmission chain 413 is engaged with the driving pulley 411 and the driven pulley 412 to perform a transmission function. The mounting block 414 is a metal block, the mounting block 414 and the transmission chain may be bolted, and the mounting block 414 is bolted to the bottom of the jacking member 51.

Referring to fig. 2 and 6, the jacking member 51 includes a bottom plate 511 and an electric push rod 512, wherein the bottom plate 511 is bolted to the mounting block 414, the bottom of the electric push rod 512 is bolted to the bottom plate 511, the electric push rod 512 is electrically connected to the control system of the grease injector main body 11 through a wire, and the control system can send out a control signal to control the top end of the electric push rod 512 to ascend or descend.

Referring to fig. 2, the bearing taking and placing device 61 includes a supporting rod 611 and an electromagnetic adsorption plate 612, wherein one end of the supporting rod 611 and the telescopic end of the electric push rod 512 can be fixed by bolts, the supporting rod 611 is along the horizontal direction, the other end of the supporting rod 611 is welded to a side metal plate of the electromagnetic adsorption plate 612, the electromagnetic adsorption plate 612 is composed of a metal plate and an electromagnet, and the electromagnetic adsorption plate 612 is an arc-shaped plate, so that the electromagnetic adsorption plate 612 can adsorb and fix the bearing after being electrified for better attaching to the outer side surface of the outer ring of the bearing.

Further, in order to prevent the bearing from moving upwards in the bearing grease injection process, a pressing plate 6121 is further arranged on the upper surface of the electromagnetic adsorption plate 612, the pressing plate 6121 is welded and fixed with a metal plate in the electromagnetic adsorption plate 612, the pressing plate 6121 is also an arc-shaped plate, and when the bearing tends to move upwards, the pressing plate 6121 can generate downward pressure to limit the bearing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (2)

1. The utility model relates to a technical field of bearing processing especially relates to a bearing processing technology and bearing annotate fat equipment, wherein, the fat equipment is annotated to the bearing is including annotating fat quick-witted main part, a plurality ofly establishing annotating fat mould in annotating fat quick-witted main part, establish driving motor on annotating fat quick-witted main part side, can dismantle the transmission of being connected with driving motor's power output shaft, a plurality ofly can dismantle the jacking piece of being connected with transmission and along the bearing of the perpendicular connection at jacking piece top of horizontal direction and get and put the device.

2. This application has the machining efficiency who improves the bearing, makes the notes fat volume more accurate, reduces the waste of grease, makes the bearing course of working labour saving and time saving more.

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