阅读说明：本技术 一种自动上下料的轴承内圈打磨装置 (Automatic go up bearing inner race grinding device of unloading ) 是由 许迎丰 于 2020-08-06 设计创作，主要内容包括：本发明公开了一种自动上下料的轴承内圈打磨装置,包括机架、夹持单元和打磨单元,还包括进料单元和下料单元,进料单元包括振动盘、进料轨道和进料部,进料轨道一端连接振动盘,另一端处于进料部上方,进料部包括安装架、滑动条、移动块、气缸一和气缸二,安装架和机架固定连接,滑动条和安装架滑动连接,移动块和滑动条的左端连接,移动块和滑动条之间设有驱动组件一,气缸一和安装架固定连接,气缸一的伸缩杆和滑动条固定连接,气缸二和滑动条左端固定连接,气缸二的伸缩杆固定连接有推块,下料单元包括吹气管、出料轨道和整理组件,吹气管和打磨部的右侧固定连接,气动卡盘和机架之间设有下料组件。(The invention discloses a bearing inner ring polishing device capable of automatically feeding and discharging, which comprises a rack, a clamping unit, a polishing unit, a feeding unit and a discharging unit, wherein the feeding unit comprises a vibrating disc, a feeding track and a feeding part, one end of the feeding track is connected with the vibrating disc, the other end of the feeding track is positioned above the feeding part, the feeding part comprises a mounting frame, a sliding strip, a moving block, a first air cylinder and a second air cylinder, the mounting frame is fixedly connected with the rack, the sliding strip is slidably connected with the mounting frame, the moving block is connected with the left end of the sliding strip, a first driving assembly is arranged between the moving block and the sliding strip, the first air cylinder is fixedly connected with the mounting frame, a telescopic rod of the first air cylinder is fixedly connected with the sliding strip, the second air cylinder is fixedly connected with the left end of the sliding strip, a push block is fixedly connected with a telescopic rod of the second, a blanking assembly is arranged between the pneumatic chuck and the frame.)

1. The utility model provides an automatic go up bearing inner race grinding device of unloading, includes the frame, sets up centre gripping unit and the unit of polishing in the frame, the centre gripping unit is pneumatic chuck (2), the unit of polishing includes polishing portion (03), drive polishing portion (03) and moves about two axle moving platform (031), its characterized in that, still includes feeding unit and unloading unit, feeding unit includes vibration dish, feeding track (3) and feeding portion (4), the vibration dish is outside the frame, feeding track (3) one end is connected the vibration dish, and the other end is in feeding portion (4) top, feeding portion (4) include mounting bracket (41), sliding strip (42), movable block (43), cylinder (44) and cylinder two (45), mounting bracket (41) and the frame are at the partial fixed connection on clamping unit right side, sliding strip (42) and mounting bracket (41) sliding connection, the left end of the sliding strip (42) is provided with a first arc-shaped groove (421) matched with the outer diameter of the bearing inner ring (020), the right side surface of the moving block (43) is provided with a second arc-shaped groove (431) matched with the outer diameter of the bearing inner ring (020), the moving block (43) is connected with the left end of the sliding strip (42), a first driving assembly for driving the moving block (43) to move and reset is arranged between the moving block (43) and the sliding strip (42), the first cylinder (44) is fixedly connected with the mounting frame (41), the telescopic rod of the first cylinder (44) is fixedly connected with the sliding strip (42), the second cylinder (45) is fixedly connected with the left end of the sliding strip (42), the telescopic rod of the second cylinder (45) is fixedly connected with the push block (451), the blanking unit comprises an air blowing pipe (06), a discharging rail (07) and a sorting assembly, and the blowing pipe (06) is fixedly connected with the right side of the polishing part (03, and a blanking assembly is arranged between the pneumatic chuck (2) and the rack.

2. The automatic loading and unloading bearing inner ring grinding device as claimed in claim 1, wherein the first driving assembly comprises two first connecting columns (46), two first limiting blocks (47) and two first springs (48), a horizontal first extending portion (422) is arranged on the left side of the sliding bar (42), the first extending portion (422) is provided with two notches (081), the bottom of the moving block (43) is provided with two protruding blocks (432) penetrating through the notches (081), the two first connecting columns (46) are fixedly connected with the right side faces of the two protruding blocks (432), a vertical second extending portion (425) is arranged on the bottom of the left side of the sliding bar (42), the first extending portion (422) is provided with two through holes for the first connecting columns (46) to penetrate through, one end of the first connecting columns (46) penetrating through the second extending portion (425) is fixedly connected with the first limiting blocks (47), the first spring (48) is sleeved on the part, between the second extension part (425) and the first limiting block (47), of the first connecting column (46), the third extension part (433) is arranged on the left side face of the moving block (43), and the third extension part (433) is provided with a contact part (434) which is abutted against the left side face of the feeding track (3).

3. The grinding device for the bearing inner ring capable of automatically feeding and discharging is characterized in that the arranging assembly comprises a material discharging barrel (08), two clamping parts (09), a rotating bar (010), a rotating cylinder (011) and a cylinder mounting rack (012), the clamping parts (09) comprise three clamping columns (091), a connecting disc (092) and two connecting columns (093), the rear end of the material discharging barrel (08) is provided with three notches (081) matched with the clamping columns (091), the three clamping column (091) intervals (120) are in sliding connection with the connecting disc (092), two ends of the connecting column (093) are respectively fixedly connected with the connecting disc (092) and the rotating bar (010), a first driving mechanism for driving the clamping columns (091) to move is arranged between the rotating bar (010) and the connecting disc (092), and the center positions of a telescopic rod and a rotating bar (010) of the rotating cylinder (011) are fixedly connected, the rotary air cylinder (011) is fixedly connected with the first air cylinder mounting frame (012), and the first air cylinder mounting frame (012) is connected with a second driving mechanism for driving the first air cylinder mounting frame to move back and forth.

4. The automatic bearing inner ring grinding device who goes up unloading of claim 3, characterized in that, actuating mechanism one includes cylinder three (094), connecting block one (095) and three articulated strip (096), cylinder three (094) and rotation strip (010) end fixed connection, the intermediate position fixed connection of cylinder one (44) telescopic link has stopper three (097), connecting block one (095) is equipped with the through-hole that supplies cylinder one (44) telescopic link to pass, the one end fixed connection of cylinder one (44) telescopic link wearing out connecting block one (095) has stopper four (099), be equipped with spring two (098) between stopper three (097), connecting block one (095), the both ends of articulated strip (096) are articulated with a clamp post (091), connecting block one (095) respectively.

5. The automatic loading and unloading bearing inner ring grinding device is characterized in that the extension portion four (411) is arranged at the left side of the mounting frame (41), the portion, close to the sliding strip (42), of the feeding track (3) is fixedly connected with the extension portion four (411), and the bottom surface, close to one end of the sliding strip (42), of the feeding track (3) is overlapped with the top surface of the sliding strip (42).

6. The automatic bearing inner ring grinding device of feeding and discharging of claim 1, wherein the right side portion of the mounting frame (41) is provided with an L-shaped connecting plate (412), the connecting plate (412) is provided with a vertical block (423), the cylinder I (44) is fixedly connected with the vertical block (423), the front side surface of the sliding strip (42) is provided with a second connecting block (424), and an expansion rod of the cylinder I (44) is fixedly connected with the second connecting block (424).

7. The grinding device for the bearing inner ring with the automatic feeding and discharging function as claimed in claim 2, wherein the abutting part (434) is a bolt, and the third extending part (433) is provided with a threaded through hole matched with the bolt.

8. The automatic bearing inner ring grinding device of feeding and discharging as claimed in claim 1, wherein the feeding component is a hollow shaft (04), the hollow shaft (04) is rotatably connected with the frame, the front end of the hollow shaft (04) is fixedly connected with the air chuck (2), and the discharging rail (07) is located at the lower side of the rear end of the hollow shaft (04).

Technical Field

The invention relates to the field of bearing inner ring polishing devices, in particular to a bearing inner ring polishing device capable of automatically feeding and discharging.

Background

The bearing is an important part in mechanical equipment, the main function is used for supporting the rotating body and reducing the friction coefficient of the rotating body in the movement process, the rolling bearing comprises an inner ring, an outer ring and rolling parts, and the rotating body is usually connected with the inner ring of the bearing, so that the precision of the inner ring of the bearing directly influences the matching of the bearing and the rotating body, the abrasion of the bearing and the rotating body and the service life of the bearing are influenced, and the inner diameter part of the inner ring of the bearing is machined in a grinding mode in the machining process of the inner ring of the bearing.

Especially plastic bearing, ceramic bearing etc. bearing inner race volume is less, the quality is lighter, generally through chuck fixed bearing inner race, and the portion of polishing includes the motor, is connected with columniform grinding cutter on the output shaft of motor, and the motor bottom is connected with two moving platform, inserts the bearing inner race with grinding cutter to contradict with the inner diameter portion of inner race, then the motor drives the chuck and rotates, drives the bearing inner race and then rotates, and grinding cutter grinding bearing inner race.

Present grinding device generally relies on the manual work to go to accomplish the step of going to go up the unloading, and the manual work is gone up the unloading, has increased workman's work load, efficiency not high.

Disclosure of Invention

The invention aims to provide a bearing inner ring polishing device capable of automatically feeding and discharging, which has the advantages of improving the automation degree, reducing the workload of workers, improving the efficiency and the like.

The technical purpose of the invention is realized by the following technical scheme:

a bearing inner ring polishing device capable of automatically feeding and discharging comprises a rack, a clamping unit and a polishing unit, wherein the clamping unit and the polishing unit are arranged on the rack, the clamping unit is a pneumatic chuck, the polishing unit comprises a polishing part and a two-axis moving platform for driving the polishing part to move front and back and left and right, the polishing unit further comprises a feeding unit and a discharging unit, the feeding unit comprises a vibrating disc, a feeding track and a feeding part, the vibrating disc is arranged outside the rack, one end of the feeding track is connected with the vibrating disc, the other end of the feeding track is arranged above the feeding part, the feeding part comprises a mounting frame, a sliding strip, a moving block, a first air cylinder and a second air cylinder, the mounting frame is fixedly connected with the part of the right side of the clamping unit, the sliding strip is connected with the mounting frame in a sliding manner, a first arc-shaped groove matched with the outer diameter of a bearing, the automatic feeding device comprises a moving block, a sliding strip, a cylinder I, a telescopic rod, a cylinder II, a sliding strip, a pushing block, a feeding unit, a polishing part, a pneumatic chuck and a rack, wherein the moving block is connected with the left end of the sliding strip, a first driving assembly for driving the moving block to move and reset is arranged between the moving block and the sliding strip, the cylinder I is fixedly connected with a mounting frame, the telescopic rod of the cylinder I is fixedly connected with the sliding strip, the cylinder II is fixedly connected with the left end of the sliding strip, the telescopic rod of the cylinder II is fixedly connected with the pushing block, the feeding unit comprises a gas blowing pipe, a.

Adopt above-mentioned technical scheme, the vibration dish conveys the bearing inner race in proper order to the feeding track, drive assembly makes the interval increase between movable block and the sliding strip, make the bearing inner race drop between movable block and the sliding strip, then drive assembly makes the movable block reset again and again, arc wall one on sliding strip and the movable block, arc wall two cooperations, clip the bearing inner race, then cylinder one drives the sliding strip, the movable block moves to the left side together, make the bearing inner race move to the front side of air chuck, then cylinder two pushes the bearing inner race and accomplishes the material loading in air chuck, then polish the bearing inner race, after polishing, the gas blow pipe blows the arrangement subassembly with the bearing inner race from unloading subassembly, then the arrangement subassembly is arranged the bearing inner race in ejection of compact track.

Preferably, the first driving assembly comprises two first connecting columns, two first limiting blocks and two first springs, a horizontal first extending portion is arranged on the left side of the sliding strip, two notches are formed in the first extending portion, two protruding blocks penetrating through the notches are arranged at the bottom of the moving block, the right side faces of the two first connecting columns and the right side faces of the two protruding blocks are fixedly connected, a vertical second extending portion is arranged at the bottom of the left side of the sliding strip, two through holes for the first connecting columns to penetrate through are formed in the first extending portion, one end, penetrating through the second, of the first connecting column is fixedly connected with the first limiting blocks, the first springs are sleeved on the portions, between the second extending portion and the first limiting blocks, of the first connecting columns, a third extending portion is arranged on the left side face of the moving.

By adopting the technical scheme, the sliding strip is driven by the cylinder to move to the left, after the contact part is contacted with the feeding track, the moving block cannot continue to move to the left, the sliding strip continues to move to the left under the driving of the cylinder I, so that the distance between the moving block and the sliding strip is increased, the spring II is compressed, then the cylinder I drives the sliding strip to move to the right, the distance between the moving block and the sliding strip is reduced, and the moving block resets under the action of the spring II.

As preferred, the arrangement subassembly is including putting feed cylinder, two clamp parts, rotating strip, revolving cylinder and cylinder mounting bracket one (012), press from both sides the part and include three double-layered post, connection pad and two connection pads two, it is equipped with three and double-layered post complex breach to put the feed cylinder rear end, three double-layered post interval 120 and connection pad sliding connection, two both ends of connection pad respectively with the connection pad, rotate a fixed connection, it presss from both sides actuating mechanism one that the post removed to be equipped with the drive between strip and the connection pad to rotate, revolving cylinder telescopic link and the central point that rotates the strip put fixed connection, revolving cylinder and cylinder mounting bracket one (012) fixed connection, cylinder mounting bracket one (012) is connected with actuating mechanism two of its back-and-forth movement of drive.

Adopt above-mentioned technical scheme, actuating mechanism drives to carry and removes, realizes pressing from both sides and gets or loosen the bearing inner race, presss from both sides the portion of getting and presss from both sides the bearing inner race after, revolving cylinder drives to press from both sides the portion of getting and rotates 180 degrees, makes the bearing inner race rotate the rear side of ejection of compact track.

Preferably, the first driving mechanism comprises a third cylinder, a first connecting block and a first three hinged strip, the third cylinder is fixedly connected with the end of the rotating strip, a third limiting block is fixedly connected with the middle position of a telescopic rod of the first cylinder, a first connecting block is provided with a through hole for the telescopic rod of the first cylinder to pass through, a fourth limiting block is fixedly connected with one end of the telescopic rod of the first cylinder to penetrate out of the first connecting block, a second spring is arranged between the third limiting block and the connecting block, and two ends of the first hinged strip are hinged to one clamping column and the first connecting block respectively.

Adopt above-mentioned technical scheme, cylinder one telescopic link moves backward, stopper four contradicts connecting block one, drives connecting block one and moves backward, drives three double-layered post and draws close to the centre of a circle of connection pad simultaneously, presss from both sides and gets the bearing inner circle, and the telescopic link of cylinder one moves forward, and earlier compression spring two drives connecting block one and moves forward after that, makes three double-layered post loosen the bearing inner circle, and the double-layered post reachs spacing back, continues compression spring two, and stopper four wears out the connection pad, pushes the ejection of compact track with the bearing inner circle.

Preferably, the extension portion four is arranged at the left side portion of the mounting frame, the portion, close to the sliding strip, of the feeding track is fixedly connected with the extension portion four, and the bottom surface, close to one end of the sliding strip, of the feeding track coincides with the top surface of the sliding strip.

Adopt above-mentioned technical scheme, fixed feeding track, when making conflict piece conflict feeding track, feeding track remain stable.

Preferably, the right side part of the mounting bracket is provided with an L-shaped connecting plate, the connecting plate is provided with a vertical block, the first air cylinder is fixedly connected with the vertical block, the front side surface of the sliding strip is provided with a second connecting block, and the telescopic rod of the first air cylinder is fixedly connected with the second connecting block.

By adopting the technical scheme, the sliding strip is connected with the mounting frame in a sliding mode, and the telescopic rod of the first air cylinder stretches and retracts to drive the sliding strip to move on the mounting frame.

Preferably, the abutting part is a bolt, and the third extending part is provided with a threaded through hole matched with the bolt.

By adopting the technical scheme, the bolt can be adjusted by rotating the bolt to penetrate out of the third extension part, and when the bolt is abutted against the feeding track, the position of the moving block is adjusted.

Preferably, the blanking assembly is a hollow shaft, the hollow shaft is rotatably connected with the rack, the front end of the hollow shaft is fixedly connected with the pneumatic chuck, and the discharging rail is positioned at the lower side of the rear end of the hollow shaft.

By adopting the technical scheme, after the bearing inner ring is polished, the air blowing pipe blows air to blow the bearing inner ring to the arranging assembly from the hollow shaft, and then the arranging assembly transfers the bearing inner ring to the discharging track.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of the structure of a feeding part of the embodiment;

FIG. 3 is a bottom view of the feeding portion of the embodiment;

FIG. 4 is a rear view of the embodiment with the feed portion omitted;

FIG. 5 is a schematic view of a gripping section according to an embodiment;

FIG. 6 is a schematic view of the position of the inner race of the bearing of the embodiment on two grippers;

fig. 7 is another schematic view of the gripping section according to the embodiment.

Reference numerals: 1. a housing; 2. a pneumatic chuck; 3. a feed rail; 31. a concave block; 4. a feeding section; 41. a mounting frame; 411. an extension part IV; 412. a connecting plate; 42. a slide bar; 421. a first arc-shaped groove; 422. an extension part I; 423. a vertical block; 424. a second connecting block; 425. an extension part II; 43. a moving block; 431. an arc-shaped groove II; 432. a bump; 433. an extension part III; 434. a contact member; 44. a first cylinder; 45. a second air cylinder; 451. a push block; 452. mounting a sheet; 46. connecting a column I; 47. a first limiting block; 48. a first spring; 03. a polishing part; 031. a two-axis moving platform; 04. a hollow shaft; 05. a first motor; 06. an air blowing pipe; 07. a discharge rail; 08. placing a material barrel; 081. a notch; 09. a gripping section; 091. clamping the column; 0911. a cylindrical bulge; 0912. a second limiting block; 092. a connecting disc; 0921. a strip-shaped groove; 0922. a notch; 093. connecting a second column; 094. a third air cylinder; 095. a first connecting block; 096. a hinge strip; 097. a third limiting block; 098. a second spring; 099. a limiting block IV; 010. rotating the strip; 011. a rotating cylinder; 012. a cylinder mounting bracket I (012); 013. a screw rod; 014. mounting blocks; 015. a guide bar; 016. a second motor; 017. a cylinder IV; 018. pushing the plate; 019. a second cylinder mounting frame; 020. and (4) bearing inner rings.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

As shown in fig. 1 to 7, a grinding device for bearing inner ring 020 capable of automatically feeding and discharging comprises a frame, a clamping unit and a grinding unit which are arranged in the frame, wherein the clamping unit is a pneumatic chuck 2, the frame comprises a shell 1 for mounting the clamping unit and the grinding unit, for convenience of representation, only the shell 1 is shown in the figure, the pneumatic chuck 2 is positioned at the front side of the shell 1, a discharging component is arranged between the pneumatic chuck 2 and the shell 1, the discharging component is a hollow shaft 04, a through hole penetrating through the whole shaft is formed in the hollow shaft 04, two ends of the hollow shaft 04 are rotatably connected with the front side surface and the rear side surface of the shell 1, two ends of the hollow shaft 04 penetrate through the shell 1, the penetrating part of the hollow shaft 04 at the front side surface of the shell 1 is fixedly connected with the center of the back surface of the pneumatic chuck 2, the part of the hollow shaft 04, driving motor's output shaft has band pulley two, the area is connected between band pulley one and the band pulley two, driving motor drives air chuck 2 and rotates like this, the unit of polishing is located the front side of centre gripping unit, the unit of polishing includes polishing portion 03, the drive is polished the two-axis mobile platform 031 that removes about portion 03, polishing portion 03 is servo motor, fixedly connected with cutter of polishing in servo motor's the pivot, servo motor fixedly connected with motor mounting bracket 41, motor mounting bracket 41 and two-axis mobile platform 031 fixed connection, two-axis mobile platform 031 is prior art, do not describe repeatedly in this embodiment.

The utility model provides an automatic go up bearing inner race 020 grinding device of unloading, still include feeding unit and unloading unit, feeding unit includes the vibration dish, feeding track 3 and feeding portion 4, the vibration dish is in the outside of frame (not shown in the figure vibration dish), feeding track 3's cross-section is the rectangle, length and width's size respectively with bearing inner race 020's thickness, the external diameter cooperation, the vibration dish is connected to feeding track 3's one end, feeding track 3's the other end is in feeding portion 4's top, and feeding track 3 connects the one end of vibration dish and is higher than the one end in feeding portion 4 top, feeding track 3 is vertical state in the part of feeding portion 4 top, feeding track 3 is sent into bearing inner race 020 in proper order to the vibration dish like this, bearing inner race 020 gets into feeding portion 4 along feeding track 3.

Feeding portion 4 is in the right side of centre gripping unit, feeding portion 4 includes mounting bracket 41, sliding strip 42, movable block 43, cylinder 44 and cylinder two 45, mounting bracket 41 is a vertical board, the both ends of board are equipped with the through-hole, the part on pneumatic chuck 2 right side of 1 leading flank of casing is equipped with the screw hole, through bolt with mounting bracket 41 fixed connection in casing 1, the left side part of mounting bracket 41 is equipped with extension four 411, extension four 411 is the strip, the one end that casing 1 was kept away from to extension four 411 is equipped with half waist-shaped groove, feeding track 3's vertical part fixedly connected with concave type piece 31, the right side of concave type piece 31 is equipped with the cylinder, the cylinder passes half waist-shaped groove, be equipped with the screw thread on the cylinder, and threaded connection has the nut, screw up the nut like this, with feeding track 3's vertical part.

The right side part of mounting bracket 41 is equipped with the connecting plate 412 of L type, and the slider 42 bottom is equipped with the protruding first of T type, and the horizontal part of connecting plate 412 is equipped with the protruding first spout of cooperation, and cylinder 44 and the vertical part fixed connection of connecting plate 412, the leading flank of slider 42 are equipped with connecting block two 424, and the telescopic link of cylinder 44 and connecting block two 424 fixed connection control feeding track 3's position, make feeding track 3 be close to the bottom surface of slider 42 one end and the coincidence of the top surface of slider 42.

The left end of the sliding bar 42 is provided with an arc-shaped groove first 421 matched with the outer diameter of the bearing inner ring 020, the moving block 43 is connected with the left end of the sliding bar 42, the right side surface of the moving block 43 is provided with an arc-shaped groove second 431 matched with the outer diameter of the bearing inner ring 020, the left side surface of the sliding bar 42 is provided with a mounting piece 452, the mounting piece 452 is provided with a through hole, the mounting piece 452 exceeds the arc-shaped groove first 421 in the main view direction, the front side surface of the moving block 43 and the front side surface of the sliding bar 42 are positioned on the same plane, so that the mounting piece 452 cannot influence the sliding block, the cylinder second 45 is fixedly connected with the left side part of the mounting piece 452, the mounting piece 452 is provided with a through hole for the telescopic rod of the cylinder second 45 to penetrate through, the position of the mounting piece 452 is controlled, the axis of the telescopic rod of the cylinder second 45 is coincided with the circle center of the arc-shaped groove, the diameter of the push block 451 is the same as the outer diameter of the bearing inner ring 020, that is, the push block 451 is also matched with the first arc-shaped groove 421 and the second arc-shaped groove 431, the length of the sliding bar 42 and the moving block 43 in the front-back direction is larger than the thickness of the bearing inner ring 020, the part between the sliding bar 42 and the moving block 43 is a cavity for placing the bearing inner ring 020, and the push block 451 is arranged at the front part of the cavity.

And a first driving component for driving the moving block 43 to move and reset is arranged between the moving block 43 and the sliding bar 42, the first driving component comprises two first connecting posts 46, two first limiting blocks 47 and two first springs 48, the left side of the sliding bar 42 is provided with a first extending part 422, the first extending part 422 is a horizontal plate, the first extending part 422 is provided with two notches 081, the bottom of the moving block 43 is provided with two lugs 432 penetrating through the notches 081, the left ends of the two first connecting posts 46 are provided with threads, the right side surfaces of the two lugs 432 are provided with threaded holes, the first connecting posts 46 and the lugs 432 are fixedly connected through the threads, the bottom surface of the left side of the sliding bar 42 is provided with a second extending part 425, the second extending part 425 is a vertical plate, the second extending part 425 is provided with two through holes for the right ends of the first connecting posts 46 to penetrate through, the right ends of the first connecting posts, the first spring 48 is sleeved on the part of the first connecting column 46 between the second extension part 425 and the first limiting block 47.

The left side surface of the moving block 43 is provided with a third extension portion 433, the top surface of the moving block 43 and the top surface of the sliding bar 42 are on the same horizontal plane, the third extension portion 433 exceeds the top surfaces of the third extension portion 433 and the third extension portion 433 is provided with a collision member 434 capable of colliding with the left side surface of the feeding track 3, the collision member 434 is a bolt, a threaded through hole matched with the bolt is formed in the portion, exceeding the top surface, of the third extension portion 433, the bolt is screwed in from the left side surface of the third extension portion 433, the extension portion penetrates out of the right side surface of the third extension portion 433, and in the side view direction, the end portion.

Thus, initially, the sliding bar 42 is arranged right below the feeding track 3, the lower end of the bearing inner ring 020 in the feeding track 3 abuts against the sliding bar 42 and cannot fall off, then the first air cylinder 44 drives the sliding bar 42 to move left, when the abutting piece 434 abuts against the left side face of the feeding track 3, the moving block 43 cannot move left, then the first air cylinder 44 drives the sliding bar 42 to move left, so that the distance between the sliding bar 42 and the moving block 43 is increased, the first spring 48 is compressed, the end part of the abutting piece 434 slightly exceeds the right side face of the moving block 43, so that after the abutting piece 434 abuts against the left side face of the feeding track 3, the right side face of the moving block 43 is arranged outside the left side face of the feeding track 3 and cannot affect the falling of the bearing inner ring 020, the stroke of the first air cylinder 44 is controlled, so that the distance between the sliding bar 42 and the moving block 43 is enough for the bearing inner ring 020 to fall off, the distance between the sliding strip 42 and the moving block 43 is reduced, the two arc-shaped grooves are matched with the bearing inner ring 020 and the pushing block 451 to fix the bearing inner ring 020, the circular centers corresponding to the arc-shaped grooves I421 and II 431 and the center of the air chuck 2 are at the same height, the stroke of the air cylinder I44 is controlled, in the main view direction, when the circular centers corresponding to the arc-shaped grooves I421 and II 431 and the center of the air chuck 2 are superposed, the air chuck 2 is in an open state, then the air cylinder II 45 drives the pushing block 451 to push the bearing inner ring 020 into the air chuck 2, then the air chuck 2 clamps the bearing inner ring 020, finally the air cylinder I44 drives the sliding strip 42 to return to the initial position, the feeding is completed, the polishing is started after the feeding is completed, under the driving of the two-axis moving platform 031, the polishing tool enters the bearing inner ring 020 and is abutted against the bearing inner ring 020, and then the air chuck 2 rotates, the grinding tool grinds the bearing inner ring 020.

The unloading unit includes gas blow pipe 06, ejection of compact track 07 and arrangement subassembly, gas blow pipe 06 and motor mounting 41 fixed connection, and control gas blow pipe 06 is the horizontality, the center of gas blow pipe 06 and air chuck 2's center are at same height, the in-process of polishing, gas blow pipe 06 rear end is in air chuck 2's right side, then motor 05 rotates, it rotates to drive bearing inner circle 020, polish bearing inner circle 020, the completion back of polishing, two axle moving platform 031 retreats earlier, make the cutter of polishing leave bearing inner circle 020, then move to the left, make the center of gas blow pipe 06 and air chuck 2's center align, then air chuck 2 loosens bearing inner circle 020, gas blow pipe 06 blows in the through-hole of hollow shaft 04 with bearing inner circle 020.

The discharging rail 07 is arranged below the rear end of the hollow shaft 04, the cross section of the discharging rail 07 is rectangular, the length and the width of the cross section of the discharging rail 07 are matched with the thickness and the outer diameter of a bearing inner ring 020, so that the bearing inner ring 020 enters the next step along the discharging rail 07, the sorting assembly is arranged at the rear end of the hollow shaft 04 and comprises a discharging barrel 08, two clamping parts 09, a rotating strip 010 for connecting the two clamping parts 09, a rotating cylinder 011 and a cylinder mounting rack 012, the discharging barrel 08 is a cylinder, the front end of the discharging barrel 08 is fixedly connected with the rear end of the shell 1, the inner diameter of the discharging barrel 08 is slightly larger than the outer diameter of the hollow shaft 04, the axis of the discharging barrel 08 and the axis of the hollow shaft 04 are on the same straight line, the penetrating part of the rear end of the hollow shaft 04 is positioned in the discharging barrel 08, and the blowing force of the blowing.

The clamping part 09 comprises three clamping columns 091, a connecting disc 092 and two connecting column two 093, the three clamping columns 091 are connected with the connecting disc 092 in a sliding mode at intervals 120 degrees, three strip-shaped through grooves are formed in the connecting disc 092 at intervals 120 degrees, cylindrical protrusions 0911 penetrating through the strip-shaped through grooves are arranged at the rear ends of the clamping columns 091, one ends of the cylindrical protrusions 0911 penetrating through the strip-shaped through grooves are further connected with limiting blocks two 0912, three notches 081 matched with the clamping columns 091 are formed in the rear ends of a material placing barrel 08, the connecting disc 092 and one end of a rotating bar 010 are fixedly connected through the two connecting column two 093, and a first driving mechanism for driving the three clamping columns 091 to move simultaneously is arranged between the rotating bar 010 and.

The first driving mechanism comprises a third air cylinder 094, a first connecting block 095 and three hinged strips 096, the third air cylinder 094 is fixedly connected with the end of the rotary strip 010, the third air cylinder 094 is positioned at the rear side of the rotary strip 010, the rotary strip 010 is provided with a through hole for the third air cylinder 094 to penetrate through, the first connecting block 095 is slidably connected with a telescopic rod of the third air cylinder 094, the first connecting block 095 is cylindrical, the axis of the first connecting block 095 and the axis of the connecting disc 092 are in the same straight line, two ends of the hinged strip 096 are respectively hinged with a second limiting block 0912 and a first connecting block 095 of one clamping column 091, a second spring 098 is arranged between the first connecting block 095 and the third air cylinder 094, the middle position of the telescopic rod of the third air cylinder 094 is fixedly connected with a third limiting block 097, the first connecting block 095 is provided with a through hole for the third air cylinder 094 to penetrate through, one end of the telescopic rod of the, the second spring 098 is sleeved on the telescopic rod of the first cylinder 44, and the second spring 098 is located between the third limiting block 097 and the first connecting block 095.

Rotatory cylinder 011 telescopic link and the central point of rotating strip 010 puts fixed connection, rotatory cylinder 011 and a cylinder mounting bracket 012 fixed connection, a cylinder mounting bracket 012 is connected with the actuating mechanism two of its back-and-forth movement of drive, actuating mechanism two includes two installation pieces 014, lead screw 013, two guide arms 015 and two 016 of motor, two installation pieces 014 and frame fixed connection, lead screw 013 both ends and two installation pieces 014 rotate to be connected, lead screw 013 is equipped with the portion of wearing out at the installation piece 014 of rear side, the output shaft of two 016 of motor with wear out partial fixed connection, guide arm 015 both ends and two installation pieces 014 fixed connection, the bottom of a cylinder mounting bracket 012 is equipped with the screw through-hole of cooperation lead screw 013, the through-hole of cooperation guide arm 015.

Firstly, the telescopic rod of the cylinder three 094 at the upper end moves backwards, the limiting block four 099 abuts against the connecting block one 095 to drive the connecting block one 095 to move backwards, the three clamping columns 091 are driven to simultaneously approach towards the center of the connecting disc 092 to clamp the bearing inner ring 020, the driving mechanism two moves backwards to drive the clamping part 09 to drive the bearing inner ring 020 to leave the discharging cylinder 08, then the rotating cylinder 011 rotates 180 degrees to drive the clamping part 09 to rotate to the rear side of the discharging track 07, the position of the discharging track 07 corresponding to the clamping part 09 is provided with an inlet, the center of the connecting disc 092 is provided with a notch 0922 through which the limiting block four 099 penetrates, finally, the telescopic rod of the cylinder three 094 moves forwards, the spring two 098 is compressed first, then the connecting block one 095 is driven to move forwards to enable the three clamping columns 091 to release the bearing inner ring 020, after the clamping columns 091 reach the limiting position, the bearing inner ring 020 moves downwards integrally, the bearing inner ring 020 is pressed on the, continue compression spring two 098, stopper four 099 wears out connection pad 092, pushes bearing inner circle 020 out ejection of compact track 07, and ejection of compact track 07's right flank is equipped with cylinder four 017, is equipped with cylinder mounting bracket two 019 on the casing 1, and cylinder four 017 and cylinder mounting bracket two 019 fixed connection, and the telescopic link of cylinder four 017 is connected with push pedal 018, is equipped with the opening one that supplies push pedal 018 to get into on ejection of compact track 07 left flank, and cylinder four 017 drives push pedal 018 and pushes away bearing inner circle 020.