CN107571015B

CN107571015B - Bearing assembling machine

Info

Publication number: CN107571015B
Application number: CN201710880765.2A
Authority: CN
Inventors: 周志强; 喻剑波
Original assignee: Guangdong Nanda Robot Co ltd
Current assignee: Guangdong Nanda Robot Co ltd
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2020-04-07
Anticipated expiration: 2037-09-26
Also published as: CN107571015A

Abstract

The invention discloses a bearing assembling machine which comprises a linear transportation mechanism, wherein the linear transportation mechanism comprises a transportation rail, a mobile platform, a first motion mechanism for driving the mobile platform to move left and right, a second motion mechanism for driving the mobile platform to lift up and down, and an ejector rod arranged at the upper end of the mobile platform; the ejector rods are uniformly distributed at intervals in the left-right direction, the transport rail is provided with a transport groove parallel to the transport rail, and the ejector rods penetrate through the transport groove in the lifting process; the device also comprises an axis feeding station, a rubber ring assembling station, a bearing outer ring assembling station and a blanking station which are sequentially arranged along the conveying rail. The invention can automatically complete the assembly work of all stations of the bearing assembly, does not need manual participation in the whole process, and improves the labor health condition of workers; meanwhile, each station is distributed along only one narrow conveying rail, so that the structure is more compact and the occupied space is smaller; the invention can also shorten the time interval between each station, which is beneficial to improving the assembly production efficiency.

Description

Bearing assembling machine

Technical Field

The invention relates to automatic production equipment, in particular to a bearing assembling machine for producing and assembling bearings.

Background

The existing bearing assembly for supporting the end part of a rotor is divided into a shaft core, a rubber ring and a bearing outer ring; when the bearing assembly is assembled, the rubber ring is sleeved on the shaft core, and then the shaft core is placed in the bearing outer ring and is positioned through the elastic force of the rubber ring. Currently, there are two ways to assemble such a bearing assembly: the first manual assembly mode is that a rubber ring is sleeved into a shaft core by manpower, and then the shaft core is placed into an outer ring of a bearing; a second machine automatic assembly mode; and placing the rubber ring on a tapered straight rod, opening the rubber ring by the taper, then pushing the rubber ring onto the shaft core, and finally installing the shaft core into the bearing outer ring. The mode of manual assembly is long time, and is inefficient, can't satisfy the batch production demand, moreover because need the oiling in order to increase the elasticity and the life of rubber ring in the assembling process, increased the manual assembly degree of difficulty and grease pollution, cause workman's hand fatigue injury and skin corrosion easily. The automatic assembly of the existing machine generally adopts a splitter form, and the assembly is carried out on a disc in different work positions, so that the equipment volume is large, and the limited space of a workshop is occupied by extrusion; meanwhile, as the divider moves circularly, each station has time intervals, and the production efficiency is not high.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the bearing assembling machine which has small occupied space and high production efficiency and can serve a modern production mode with large batch and high efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a bearing assembling machine comprises a linear conveying mechanism arranged on a rack, wherein the linear conveying mechanism comprises a conveying rail arranged on the rack and extending along the left-right direction, a moving platform arranged below the conveying rail, a first movement mechanism driving the moving platform to move left and right, a second movement mechanism driving the moving platform to lift up and down, and an ejector rod arranged at the upper end of the moving platform; the ejector rods are uniformly distributed at intervals in the left and right directions, the transport rail is provided with transport grooves parallel to the transport rail, and the ejector rods penetrate through the transport grooves in the lifting process; the device also comprises an axis feeding station, a rubber ring assembling station, a bearing outer ring assembling station and a discharging station which are sequentially arranged along the conveying rail.

As an improvement of the technical scheme, the shaft center feeding station comprises a first vibration feeding tray and a first feeding table connected with the first vibration feeding tray through a first feeding guide rail; the feeding device is characterized in that a first sliding groove is formed in the first feeding table, a first pushing block is arranged in the first sliding groove, the first pushing block can slide in the first sliding groove under the driving of a third driving part, a first notch communicated with the first feeding guide rail is formed in the groove wall of the first sliding groove, a first U-shaped notch is formed in the first pushing block, and when the first pushing block is located in an initial state, the first U-shaped notch is right opposite to the first notch.

Further, the axis feeding station further comprises a first downward pressing device arranged above the first sliding groove, the first downward pressing device comprises a fourth cylinder fixedly connected with the frame and a first pressing head fixedly connected to the lower end of a piston rod of the fourth cylinder, and a first through hole is formed in the position, opposite to the first pressing head, of the first sliding groove; the first ejector rod on the left side is positioned right below the first through hole in the initial state.

The rubber ring assembling station comprises a second feeding table installed on the rack, a second vibration feeding disc connected with the second feeding table through a second feeding guide rail, a floating frame located above the second feeding table, a spreading mechanism and a scraping mechanism arranged on the floating frame, a third motion mechanism driving the floating frame to horizontally move, and a fourth motion mechanism driving the floating frame to downwards move.

Further, the expanding mechanism comprises a mandrel, a fourth driving part and an expanding column, wherein the bottom of the mandrel is provided with an external conical surface; the bottom of the opening column is provided with a rubber ring matching surface, the top of the opening column is provided with a central hole matched with the mandrel, and an inner conical surface matched with the outer conical surface is arranged in the central hole; the expanding column is divided into a plurality of petals by taking the central axis of the inner conical surface as the center; the scraping mechanism comprises a scraping plate and a fifth driving part, wherein the scraping plate is enclosed on the outer side of the matching surface of the rubber ring, and the fifth driving part drives the scraping plate to move up and down.

Furthermore, the opening mechanism also comprises a radial reset structure for pushing the opening column to automatically fold and reset, and the radial reset structure comprises a sleeve which is sleeved on the upper part of the opening column and is fixedly connected with the floating frame, a push rod and a first spring which are arranged in the sleeve; the upper part of each petal of the opening column is provided with a radial through hole, the position of the sleeve, which is over against the radial through hole, is provided with a stepped hole with larger outside aperture, and the push rod is of a three-stage stepped shaft structure which is gradually thickened; the large end of the push rod is matched with the stepped hole, and the small end of the push rod is matched with the radial through hole; the first spring is installed in the stepped hole, one end of the first spring is in contact with the large end of the push rod, and the other end of the first spring is in contact with a plug for plugging the stepped hole.

Further, the bearing outer ring assembling station comprises a third vibration feeding tray arranged on the rack and a third feeding table connected with the third vibration feeding tray through a third feeding guide rail; the third feeding table is provided with a second sliding groove, a second pushing block is arranged in the second sliding groove, the second pushing block can slide in the second sliding groove under the driving of a seventh driving part, a second notch communicated with the second feeding guide rail is formed in the groove wall of the second sliding groove, a second U-shaped notch is formed in the second pushing block, and when the second pushing block is located in an initial state, the second U-shaped notch is right opposite to the second notch.

Furthermore, the bearing outer ring assembling station further comprises a second pressing device arranged above the second sliding groove, the second pressing device comprises a tenth air cylinder fixedly connected with the frame and a second pressing head fixedly connected to the lower end of a piston rod of the tenth air cylinder, and a second through hole is formed in the position, opposite to the second pressing head, of the second sliding groove; and the first ejector rod on the right side is positioned right below the second through hole in the initial state.

Furthermore, the blanking station comprises a blanking chute arranged at the right end of the transport chute, a waste material channel with the upper end communicated with the blanking chute, a movable plate for sealing the communication port of the blanking chute and the waste material channel, and a driving device for driving the movable plate.

And the detection station comprises a color sensor positioned above the conveying groove and an eighth driving part for driving the color sensor to move downwards.

The invention has the beneficial effects that: the invention can automatically complete the assembly work of all stations of the bearing assembly, does not need manual work in the whole process, reduces the labor intensity of workers, can effectively avoid fatigue damage caused by long-term force application of hands of the workers, can also effectively avoid the contact of hands with grease, prevents skin from being corroded, and improves the labor health condition of the workers; meanwhile, compared with the mode of adopting a divider, all the stations do not need to be distributed around a large disc and only need to be distributed along a narrow conveying rail, so that the structure is more compact and the occupied space is smaller; in addition, the invention can also shorten the time interval between each station in the circular motion of the divider, and is beneficial to improving the assembly production efficiency.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the linear transport mechanism of the present invention;

FIG. 3 is a schematic top view of the linear transport mechanism of the present invention;

FIG. 4 is a schematic view of the construction of the axial feed station of the present invention;

FIG. 5 is a schematic view of the first feed table of the present invention;

FIG. 6 is a schematic structural view of a rubber ring assembling station according to the present invention;

FIG. 7 is a schematic view of the installation structure of the spreading mechanism and the scraping mechanism on the floating frame in the invention;

FIG. 8 is a schematic view of the deployment mechanism of the present invention;

FIG. 9 is a schematic structural view of an assembly station for the bearing outer race of the present invention;

FIG. 10 is a schematic structural view of a blanking station according to the present invention;

fig. 11 is a schematic structural view of the inspection station of the present invention.

Detailed Description

Referring to fig. 1 to 3, the bearing assembling machine of the present invention includes a linear transportation mechanism 2 installed on a frame 1, where the linear transportation mechanism 2 includes a transportation rail 201 disposed on the frame 1 and extending in a left-right direction, a moving platform 202 disposed below the transportation rail 201, a first motion mechanism driving the moving platform 202 to move left and right, a second motion mechanism driving the moving platform 202 to move up and down, and a push rod 203 disposed at an upper end of the moving platform 202; the jacking rods 203 are uniformly distributed at intervals along the left-right direction, the transportation rail 201 is provided with a transportation groove 204 parallel to the transportation rail 201, and the jacking rods 203 penetrate through the transportation groove 204 in the lifting process; the device also comprises an axis feeding station 3, a rubber ring assembling station 4, a bearing outer ring assembling station 5 and a blanking station 6 which are sequentially arranged along the transportation rail 201. When the assembling machine is used for assembling the rubber ring, in the first step, the axle center feeding station 3 firstly sleeves the axle center at the upper end of the first ejector rod 203 on the left side; secondly, the first motion mechanism drives the moving table 202 and the ejector rods 203 to drive the axle center to move rightwards together by the distance of one distance of the ejector rods 203, then the second motion mechanism drives the moving table 202 and the ejector rods 203 to descend, because the width of the axle center is larger than the width of the transportation groove 204 during setting, the axle center is left on the transportation rail 201, then the first motion mechanism drives the moving table 202 and the ejector rods 203 to move leftwards by the distance of one distance of the ejector rods 203, then the second motion mechanism drives the moving table 202 and the ejector rods 203 to push upwards, and the mandrel 405 is sleeved at the upper end of the next ejector rod 203 on the left side; thirdly, the next axle center is sleeved at the upper end of the first ejector rod 203 on the left side after the axle center feeding station 3; and then the actions are repeated in a circulating way, when the front axle center advances by the distance of the ejector rods 203, the next axle center is sleeved on the first ejector rod 203 on the left side, and finally the axle center is continuously and sequentially conveyed to the rubber ring assembling station 4, the bearing outer ring assembling station 5 and the blanking station 6 to automatically complete the rubber ring assembling, the bearing outer ring assembling and the final blanking. It should be noted that in the rubber ring assembling station 4 and the bearing outer ring assembling station 5, a specific assembling point of the rubber ring and the bearing outer ring should be set above an initial position of a certain ejector rod 203, so that it can be ensured that the axis can be accurately transported to the assembling point to be assembled with the rubber ring or the bearing outer ring.

Therefore, the assembling machine can automatically complete the assembling work of all stations of the bearing assembly, does not need manual participation in the whole process, reduces the labor intensity of workers, can effectively avoid fatigue damage caused by long-term force application of hands of the workers, can also effectively avoid the contact of hands with grease, prevents skin from being corroded, and improves the labor health condition of the workers; meanwhile, compared with the mode of adopting a divider, all the stations do not need to be distributed around a large disc and only need to be distributed along a narrow conveying rail 201, so that the structure is more compact and the occupied space is smaller; and the assembling machine can also shorten the time interval between each station in the circular motion of the divider, and is favorable for improving the assembling production efficiency.

In order to drive the mobile station 202 to move left and right, the first motion mechanism includes a slide rod 205 disposed on the frame 1 and extending in the left-right direction, a slide table 206 connected to the mobile station 202 and slidably connected to the slide rod 205, and a first driving member for driving the slide table 206 to slide along the slide rod 205. Preferably, the first driving component is a first air cylinder 207, a cylinder body of the first air cylinder 207 is fixed on the frame 1, and a piston rod is connected with the sliding table 206; in order to realize the up-and-down movement of the mobile station 202, the mobile station 202 is connected above the sliding table 206 in an up-and-down sliding manner, and the second movement mechanism includes a second driving component for driving the mobile station 202 to move up and down; preferably, the second driving component is a second air cylinder 208, a cylinder body of the second air cylinder 208 is fixedly connected to the sliding table 206, and a piston rod is connected to the moving table 202; of course, according to actual conditions, the first driving part and the second driving part can also be other types of driving parts such as a rack mechanism, a screw rod and the like.

Referring to fig. 4 and 5, the axial feeding station 3 includes a first vibration feeding tray 301, and a first feeding table 303 connected to the first vibration feeding tray 301 through a first feeding guide rail 302; the first feeding table 303 is provided with a first sliding groove 310, the first sliding groove 310 is internally provided with a first pushing block 304, the first pushing block 304 can be driven by a third driving part to slide in the first sliding groove 310, the groove wall of the first sliding groove 310 is provided with a first notch 305 communicated with the first feeding guide rail 302, the first feeding table 303 is provided with a first U-shaped notch 306, and when the first pushing block 304 is located at an initial state, the first U-shaped notch 306 is opposite to the first notch 305. Preferably, the third driving component is a third air cylinder 307, a cylinder body of the third air cylinder 307 is fixedly connected with the first feeding table 303, and a piston rod is fixedly connected with the first pushing block 304. Of course, according to actual conditions, the third driving component may also be a rack mechanism, a lead screw, or other types of driving components. The shaft center feeding station 3 further comprises a first downward pressing device arranged above the first sliding groove 310, the first downward pressing device comprises a fourth cylinder 308 fixedly connected with the frame 1, and a first pressing head 309 fixedly connected to the lower end of a piston rod of the fourth cylinder 308, and a first through hole 311 is formed in a position, opposite to the first pressing head 309, of the first sliding groove 310; the first top rod 203 on the left side is positioned right below the first through hole 311 in the initial state. When feeding the shaft center, firstly, the shaft center enters the first feeding table 303 through the first notch 305, then the first pushing block 304 pushes the shaft center to the position above the first through hole 311, then the first pressing device presses down the shaft center to tightly press the upper end of the first top rod 203 on the left side, and then the top rod 203 drives the shaft center to transport to the subsequent station.

Referring to fig. 6 to 8, the rubber ring assembling station 4 includes a second feeding table 401 mounted on the frame 1, a second vibration feeding tray 403 connected to the second feeding table 401 through a second feeding rail 402, a floating frame 404 located above the second feeding table 401, a spreading mechanism and a scraping mechanism disposed on the floating frame 404, a third moving mechanism for driving the floating frame 404 to move horizontally, and a fourth moving mechanism for driving the floating frame 404 to move downward. The expanding mechanism comprises a mandrel 405 with an outer conical surface 406 arranged at the bottom, a fourth driving component for driving the mandrel 405 to move up and down, and an expanding column 407 arranged right below the mandrel 405; the bottom of the support column 407 is provided with a rubber ring matching surface 410, the top of the support column is provided with a central hole 408 matched with the mandrel 405, and an inner conical surface 409 matched with the outer conical surface 406 is arranged in the central hole 408; the expanding column 407 is divided into a plurality of lobes by taking the central axis of the inner conical surface 409 as a center; the scraping mechanism comprises a scraping plate 417 which is enclosed on the outer side of the rubber gasket matching surface 410, and a fifth driving part which drives the scraping plate 417 to move up and down. When the rubber ring is automatically installed, the rubber ring is conveyed into the second feeding table 401 through the second vibration feeding tray 403, then the fourth motion mechanism drives the whole floating frame 404 to move downwards, so that the lower part of the opening column 407 passes through the center of the rubber ring, then the fourth drive component drives the mandrel 405 to move downwards, so that the outer conical surface 406 is attached to the inner conical surface 409, the mandrel 405 moves downwards continuously to open the opening column 407, each petal of the opening column 407 is separated from each other, so that the rubber ring fitting surface 410 is attached to the inner side of the rubber ring and gradually opens the rubber ring, then the floating frame 404 moves upwards and carries the rubber ring to be above the top rod 203 which supports the axle center under the drive of the third motion mechanism, then the fourth motion mechanism drives the floating frame 404 to move downwards, so that the lower end of the opening column 407 is attached to the upper end of the axle center, and finally the fifth drive component drives the scraper 417 to move downwards, and scraping the rubber ring downwards into the shaft center groove to complete the assembly of the rubber ring, returning the fourth driving part and the fifth driving part to the initial state, and returning the floating frame 404 to the initial position so as to carry out the assembly operation of the rubber ring at the next time. Therefore, the rubber ring can be automatically assembled on the shaft center through the rubber ring assembling station 4, the whole process does not need manual participation, and the labor health condition of workers is improved; meanwhile, the assembly efficiency and the success rate are greatly improved, and the production cost is favorably reduced.

After the last rubber ring assembling operation is completed, the expanding columns 407 also need to be restored to the initial folding state from the expanding state, otherwise, the expanding columns cannot penetrate through the center of the rubber ring in the next operation; in order to realize the reset of the expanding column 407, the expanding mechanism further comprises a radial reset structure for pushing the expanding column 407 to automatically fold and reset. Preferably, the radial reset structure comprises a sleeve 411 which is sleeved on the upper part of the expanding column 407 and is fixedly connected with the floating frame 404, a push rod 412 which is installed in the sleeve 411, and a first spring 413; a radial through hole 414 is formed in the upper part of each petal of the expanding column 407, a stepped hole 415 with a larger outer side aperture is formed in a position of the sleeve 411 opposite to the radial through hole 414, and the push rod 412 is of a three-stage stepped shaft structure with gradually increased thickness; the large end of the push rod 412 is matched with the stepped hole 415, and the small end of the push rod is matched with the radial through hole 414; the first spring 413 is installed in the stepped hole 415, and one end of the first spring is in contact with the large end of the push rod 412, and the other end of the first spring is in contact with a plug 416 for plugging the stepped hole 415. Thus, when the expanding column 407 is in an expanded state, the first spring 413 is compressed, after the mandrel 405 moves up, the elastic restoring force of the first spring 413 pushes the push rod 412, and the push rod 412 pushes the petals of the expanding column 407 to move toward the center, thereby realizing automatic folding and resetting of the expanding column 407. The above description is only a preferred embodiment of the present invention, and of course, the radial repositioning structure may also adopt other structures according to practical situations.

Preferably, in order to drive the mandrel 405 and the scraper 417 to move up and down, the fourth driving component is a fifth air cylinder 418, a cylinder body of the fifth air cylinder 418 is fixedly connected with the floating frame 404, and the mandrel 405 is connected to the lower end of a piston rod of the fifth air cylinder 418; the fifth driving component is a sixth air cylinder 419, the cylinder body of the sixth air cylinder 419 is fixedly connected with the floating frame 404, and the scraper 417 is connected to the lower end of the piston rod of the sixth air cylinder 419. Of course, according to actual conditions, the fourth driving part and the fifth driving part may also be other types of driving parts such as a rack mechanism, a screw mechanism, and the like.

In order to drive the floating frame 404 to horizontally move, the third motion mechanism includes a slide rail 420 disposed on the frame 1 and extending along the horizontal direction, a connecting plate 421 connected to the floating frame 404, a slider disposed on the connecting plate 421 and cooperating with the slide rail 420, and a sixth driving member for driving the connecting plate 421 to slide along the slide rail 420. Since the required driving force is small, specifically, the sixth driving member is the seventh cylinder 422, and other types of driving members such as a rack mechanism, a screw mechanism, and the like may be used according to actual situations.

In order to realize the downward movement of the floating frame 404, specifically, the connecting plate 421 forms a cantilever beam structure, the slider forms a fixed end of the connecting plate 421, the floating frame 404 is connected to a free end of the connecting plate 421, the fourth movement mechanism includes an eighth cylinder 423, a cylinder body of the eighth cylinder 423 is fixedly connected to the frame 1, a piston rod of the eighth cylinder 423 contacts with the connecting plate 421 when extending out and bends the connecting plate 421 downward, a piston rod of the eighth cylinder 423 is separated from the connecting plate 421 when contracting, and when the piston rod of the eighth cylinder 423 is separated from the connecting plate 421, the connecting plate 421 bent downward can be automatically returned to an initial position by its own elastic force or an elastic recovery structure (such as a return spring) arranged outside. This allows both downward movement and upward automatic repositioning of the floating frame 404 without interfering with the horizontal movement of the floating frame 404. Since the second feeding table 401 and the mounting point for assembling the rubber ring (on the transportation groove 204) are not located at the same position, and the floating frame 404 needs to move downward at both these positions, in order to prevent the piston rod of the eighth cylinder 423 from being out of contact with the connection plate 421 after the horizontal movement of the connection plate 421, the eighth cylinders 423 are shared by two cylinders and arranged along the horizontal movement direction of the connection plate 421, and the downward movement of the two positions is respectively corresponded to.

Referring to fig. 9, the bearing outer ring assembling station 5 includes a third vibration feeding tray 501 mounted on the frame 1, and a third feeding table 503 connected to the third vibration feeding tray 501 through a third feeding guide rail 502; a second sliding groove is formed in the third feeding table 503, a second pushing block 504 is arranged in the second sliding groove, the second pushing block 504 can slide in the second sliding groove under the driving of a seventh driving component, a second notch communicated with the second feeding guide rail 402 is formed in the groove wall of the second sliding groove, a second U-shaped notch is formed in the second pushing block 504, and when the second pushing block 504 is located in an initial state, the second U-shaped notch is opposite to the second notch. Preferably, the seventh driving component is a ninth air cylinder 505, a cylinder body of the ninth air cylinder 505 is fixedly connected with the second feeding table 401, and a piston rod is fixedly connected with the second pushing block 504. Of course, according to practical situations, the seventh driving component may also be a rack mechanism, a lead screw, or other types of driving components. The bearing outer ring assembling station 5 further comprises a second pressing device arranged above the second sliding groove, the second pressing device comprises a tenth air cylinder 506 with a cylinder body fixedly connected with the rack 1, a second pressing head 507 fixedly connected to the lower end of a piston rod of the tenth air cylinder 506, and a second through hole is formed in the position, opposite to the second pressing head 507, of the second sliding groove; the first top rod 203 on the right side is positioned right below the second through hole in the initial state. When the bearing outer ring is installed, the bearing outer ring firstly enters the third feeding table 503 through the second notch, then the second pushing block 504 pushes the bearing outer ring to the position above the second through hole, at the moment, the linear transportation mechanism 2 transports the shaft center of the installed rubber ring to the position under the second through hole, then, the pressing device presses down to sleeve the bearing outer ring on the shaft center to complete the assembly of the bearing assembly, and then the linear transportation mechanism 2 continues to drive the shaft center to transport the bearing outer ring to the blanking station 6.

Referring to fig. 10, the blanking station 6 includes a blanking chute 601 disposed at the right end of the transportation chute 204, a waste material channel 602 whose upper end is communicated with the blanking chute 601, a movable plate 603 for closing a communication port between the blanking chute 601 and the waste material channel 602, and a driving device for driving the movable plate 603. Through above-mentioned structure, both can realize the unloading of installation normal bearing assembly, also can realize clearing up the bearing assembly that goes wrong among the equipment process, avoid the defective products to get into in the low reaches station. In order to facilitate the bearing assembly to enter a downstream station, the lower end of the blanking chute 601 is connected with a conveying belt 604.

Referring to fig. 11, in order to automatically identify whether the rubber ring is successfully installed on the shaft core, a detection station 7 is further disposed between the rubber ring assembling station 4 and the bearing outer ring assembling station 5, and the detection station 7 includes a color sensor 701 located above the transportation groove 204 and an eighth driving component for driving the color sensor 701 to move downward. When detection is carried out, the color sensor 701 is close to the upper end of the shaft center through the seventh driving part, and because the color of the shaft center is yellow and the color of the rubber ring is black, the color of the shaft center is greatly different from that of the rubber ring, black can be detected on the shaft center of the rubber ring which is successfully installed, and black cannot be detected if the shaft center is not successfully installed, so that whether the rubber ring is successfully installed on the shaft center can be judged; preferably, the eighth driving component is an eleventh air cylinder 702, a cylinder body of the eleventh air cylinder 702 is fixedly connected with the frame 1, and the color sensor 701 is fixedly connected to a lower end of a piston rod of the eleventh air cylinder 702. Of course, a rack gear mechanism, a cam mechanism, or the like may be employed as the eighth driving means according to the actual situation.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention can be achieved by any similar or identical means, which fall within the protection scope of the present invention.

Claims

1. The utility model provides a bearing kludge which characterized in that: the device comprises a linear transportation mechanism arranged on a rack, wherein the linear transportation mechanism comprises a transportation rail arranged on the rack and extending along the left-right direction, a mobile station arranged below the transportation rail, a first motion mechanism driving the mobile station to move left and right, a second motion mechanism driving the mobile station to lift up and down, and a mandril arranged at the upper end of the mobile station; the ejector rods are uniformly distributed at intervals in the left and right directions, the transport rail is provided with transport grooves parallel to the transport rail, and the ejector rods penetrate through the transport grooves in the lifting process; the device also comprises an axis feeding station, a rubber ring assembling station, a bearing outer ring assembling station and a blanking station which are sequentially arranged along the conveying rail; the rubber ring assembling station comprises a second feeding table arranged on the rack, a second vibration feeding disc connected with the second feeding table through a second feeding guide rail, a floating frame positioned above the second feeding table, a spreading mechanism and a scraping mechanism arranged on the floating frame, a third motion mechanism driving the floating frame to horizontally move, and a fourth motion mechanism driving the floating frame to downwards move; the third movement mechanism comprises a slide rail which is arranged on the rack and extends along the horizontal direction, a connecting plate which is connected with the floating frame, a slide block which is matched with the slide rail and a sixth driving part which drives the connecting plate to slide along the slide rail, wherein the slide rail is arranged on the rack; the connecting plate constitutes cantilever beam structure, the slider constitutes the stiff end of connecting plate, the floating frame is connected the free end of connecting plate, fourth motion is including the eighth cylinder, the eighth cylinder body with frame fixed connection, when the piston rod of eighth cylinder stretches out with the connecting plate contact makes the connecting plate is crooked downwards, when the piston rod of eighth cylinder contracts with the connecting plate breaks away from.

2. The bearing assembling machine according to claim 1, wherein: the axis feeding station comprises a first vibration feeding plate and a first feeding table connected with the first vibration feeding plate through a first feeding guide rail; the feeding device is characterized in that a first sliding groove is formed in the first feeding table, a first pushing block is arranged in the first sliding groove, the first pushing block can slide in the first sliding groove under the driving of a third driving part, a first notch communicated with the first feeding guide rail is formed in the groove wall of the first sliding groove, a first U-shaped notch is formed in the first pushing block, and when the first pushing block is located in an initial state, the first U-shaped notch is right opposite to the first notch.

3. The bearing assembling machine according to claim 2, wherein: the axial center feeding station further comprises a first downward pressing device arranged above the first sliding groove, the first downward pressing device comprises a fourth cylinder and a first pressing head, the fourth cylinder is fixedly connected with the frame, the first pressing head is fixedly connected to the lower end of a piston rod of the fourth cylinder, and a first through hole is formed in the position, opposite to the first pressing head, of the first sliding groove; the first ejector rod on the left side is positioned right below the first through hole in the initial state.

4. The bearing assembling machine according to claim 1, wherein: the opening mechanism comprises a mandrel, a fourth driving part and an opening column, wherein the bottom of the mandrel is provided with an external conical surface; the bottom of the opening column is provided with a rubber ring matching surface, the top of the opening column is provided with a central hole matched with the mandrel, and an inner conical surface matched with the outer conical surface is arranged in the central hole; the expanding column is divided into a plurality of petals by taking the central axis of the inner conical surface as the center; the scraping mechanism comprises a scraping plate and a fifth driving part, wherein the scraping plate is enclosed on the outer side of the matching surface of the rubber ring, and the fifth driving part drives the scraping plate to move up and down.

5. The bearing assembling machine according to claim 4, wherein: the opening mechanism also comprises a radial reset structure for pushing the opening column to automatically fold and reset, and the radial reset structure comprises a sleeve which is sleeved on the upper part of the opening column and is fixedly connected with the floating frame, a push rod and a first spring which are arranged in the sleeve; the upper part of each petal of the opening column is provided with a radial through hole, the position of the sleeve, which is over against the radial through hole, is provided with a stepped hole with larger outside aperture, and the push rod is of a three-stage stepped shaft structure which is gradually thickened; the large end of the push rod is matched with the stepped hole, and the small end of the push rod is matched with the radial through hole; the first spring is installed in the stepped hole, one end of the first spring is in contact with the large end of the push rod, and the other end of the first spring is in contact with a plug for plugging the stepped hole.

6. The bearing assembling machine according to claim 1, wherein: the bearing outer ring assembling station comprises a third vibration feeding plate arranged on the rack and a third feeding table connected with the third vibration feeding plate through a third feeding guide rail; the third feeding table is provided with a second sliding groove, a second pushing block is arranged in the second sliding groove, the second pushing block can slide in the second sliding groove under the driving of a seventh driving part, a second notch communicated with the second feeding guide rail is formed in the groove wall of the second sliding groove, a second U-shaped notch is formed in the second pushing block, and when the second pushing block is located in an initial state, the second U-shaped notch is right opposite to the second notch.

7. The bearing assembling machine according to claim 6, wherein: the bearing outer ring assembling station further comprises a second pressing device arranged above the second sliding groove, the second pressing device comprises a tenth air cylinder and a second pressing head, the tenth air cylinder is fixedly connected with the frame, the second pressing head is fixedly connected to the lower end of a piston rod of the tenth air cylinder, and a second through hole is formed in the position, opposite to the second pressing head, of the second sliding groove; and the first ejector rod on the right side is positioned right below the second through hole in the initial state.

8. A bearing assembling machine according to any one of claims 1 to 7, wherein: the blanking station comprises a blanking chute arranged at the right end of the transport chute, a waste material channel with the upper end communicated with the blanking chute, a movable plate for sealing the communication port of the blanking chute and the waste material channel, and a driving device for driving the movable plate.

9. A bearing assembling machine according to any one of claims 1 to 7, wherein: the detection station comprises a color sensor positioned above the conveying groove and an eighth driving part for driving the color sensor to move downwards.