A superfinishing machine for outer ring of cylindrical roller bearing

Abstract

The invention discloses a roller superfinishing machine for a cylindrical roller bearing, belonging to the technical field of bearing superfinishing machines; the invention comprises a switching device, the switching device is used to switch the outer ring of the bearing to be processed, an operating device is arranged on the switching device, the operating device is used to superfinish the inner ring of the bearing, and a rotating device is arranged on the operating device, the rotating device is used to drive the outer ring of the bearing to rotate; the invention adopts a switching device to switch the positions of two tensioning mechanisms, when one tensioning mechanism is carrying the outer ring of the bearing for processing, the other tensioning mechanism can install the next outer ring of the bearing to be processed, the two sides are carried out synchronously, and when the tensioning mechanism in processing is clamped, the other tensioning mechanism is opened, which is convenient for use; the operating device presses the oilstone against the inner surface of the outer ring of the bearing, drives the oilstone to reciprocate and shake at high frequency through the reciprocating mechanism, cooperates with the rotating device to drive the outer ring of the bearing to rotate, and realizes comprehensive superfinishing of the inner surface of the outer ring of the bearing.

Description

Technical Field

[0001] The invention belongs to the technical field of bearing superfinishing machine equipment, and in particular relates to a bearing outer ring superfinishing machine for a cylindrical roller bearing. Background Art

[0002] Superfinishing machine is a kind of high-precision processing equipment, which is specially used to manufacture parts with extremely high dimensional accuracy and surface quality. Ultra-precision machine tools are crucial in many high-tech fields, especially in aerospace, precision bearings, semiconductor manufacturing, optical instruments, medical equipment and other fields. Bearing superfinishing is a high-precision processing technology, which aims to manufacture bearings with extremely high precision and excellent surface quality. The high-frequency reciprocating motion of oilstone can be used to superfinish the inner side of the outer ring of roller bearing, with high processing accuracy and good processing effect. The roller bearing superfinishing machine in the prior art needs to disassemble the processed bearing outer ring after each processing and then install the next outer ring to be processed, which is time-consuming and labor-intensive, and it is impossible to automatically superfinish the outer ring of the bearing for a full circle. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a superfinishing machine for the outer ring of a cylindrical roller bearing.

[0004] The technical solution adopted to solve the above technical problems is: a superfinishing machine for the outer ring of a cylindrical roller bearing, including a switching device, the switching device includes a base plate, the switching device is used to switch the outer ring of the bearing to be processed, the switching device is provided with an operating device, the operating device includes a fixed base plate, the fixed base plate is fixedly installed on the base plate, the operating device is used to superfinish the inner surface of the outer ring of the bearing, the operating device is provided with a rotating device, the rotating device includes a fixed frame, and the rotating device is used to drive the outer ring of the bearing to rotate.

[0005] Furthermore, the switching device includes a horizontal rail fixedly mounted on the base plate, a horizontal electric cylinder fixedly mounted on the base plate, a movable clamping frame slidably mounted on the horizontal rail, the movable clamping frame is fixedly mounted on the top of the horizontal electric cylinder, an opening and closing motor is fixedly mounted on the movable clamping frame, and a motor gear is fixedly mounted on the motor shaft of the opening and closing motor.

[0006] Furthermore, the movable clamping frame is provided with two tensioning mechanisms, and the tensioning mechanism includes an inner transmission wheel rotatably mounted on the movable clamping frame, a side gear is fixedly mounted on the inner transmission wheel, and the side gear is meshed with the motor gear; a clamping turntable is rotatably mounted on the movable clamping frame, and three arc grooves are arranged on the clamping turntable, and the arc grooves of the two tensioning mechanisms are in opposite directions; an outer transmission wheel is fixedly mounted on the clamping turntable, and an inner transmission belt is wrapped around the outer transmission wheel and the inner transmission wheel; a fixed plate is fixedly mounted on the movable clamping frame, and three clamping slide grooves are arranged on the fixed plate, an arc moving block is slidably mounted in the clamping slide groove, and the arc moving block slides in the arc groove; a clamping wheel is rotatably mounted on the arc moving block, and an outer ring of a bearing is placed between the three clamping wheels.

[0007] The rotation of the opening and closing motor drives the motor gear to rotate, thereby driving the side gear and the inner transmission wheel to rotate, and the outer transmission wheel is driven to rotate through the inner transmission belt, thereby driving the clamping turntable to rotate, thereby driving the arc moving block to slide along the clamping slide groove through the arc groove, thereby driving the clamping wheel to slide. Since the arc grooves of the two tensioning mechanisms are in opposite directions, the clamping wheel of one tensioning mechanism slides outward and the clamping wheel of the other tensioning mechanism slides inward, so that the clamping wheel located at the fixed bottom plate clamps the outer ring of the bearing, and the clamping wheel located on the outside opens to facilitate the placement of the next bearing outer ring to be processed and the removal of the bearing outer ring after processing. The horizontal electric cylinder extends and retracts to drive the movable clamping frame to slide along the horizontal rail to switch the position of the two tensioning mechanisms.

[0008] Furthermore, the working device includes a sliding column fixedly mounted on a fixed base plate, a pushing electric cylinder is fixedly mounted on the fixed base plate, a pushing frame is slidably mounted on the sliding column, and a reset spring is arranged between the pushing frame and the fixed base plate.

[0009] Furthermore, a reciprocating mechanism is provided on the pushing frame, and the reciprocating mechanism includes a motor frame fixedly installed on the pushing frame, a fast motor fixedly installed on the motor frame, a rotating block fixedly installed on the motor shaft of the fast motor, an eccentric column eccentrically fixedly installed on the rotating block, a fixed seat fixedly installed on the pushing frame, a fixed horizontal column fixedly installed on the fixed seat, a sliding frame slidably installed on the fixed horizontal column, a rocking frame fixedly installed on the sliding frame, and the eccentric column and the rocking frame are slidably installed.

[0010] Furthermore, the sliding frame is provided with an end mechanism, and the end mechanism includes a rotating motor fixedly mounted on the sliding frame, a rotating cylinder is slidably mounted on the motor shaft of the rotating motor, an inner turntable is slidably mounted on the rotating cylinder, the inner turntable is rotatably mounted with the sliding frame, a compression spring is provided between the inner turntable and the rotating cylinder, a rotating slope block is fixedly mounted on the rotating cylinder, a fixed slope block is fixedly mounted on the sliding frame, and the rotating slope block and the fixed slope block are slidably mounted.

[0011] Furthermore, an oilstone mechanism is provided on the rotating cylinder, and the oilstone mechanism includes a rotating frame fixedly mounted on the rotating cylinder, a vertical sliding column is fixedly mounted on the rotating frame, a top frame is slidably mounted on the vertical sliding column, a top electric cylinder is fixedly mounted on the top frame, and a column spring is provided between the vertical sliding column and the top frame.

[0012] Furthermore, a stone clamping mechanism is provided in the rotating frame, and the stone clamping mechanism includes a side clamping block slidably mounted on the rotating frame, a side sliding column is fixedly mounted on the side clamping block, the side sliding column is slidably mounted on the rotating frame, a side spring is provided between the side clamping block and the rotating frame, and the oilstone is placed between the rotating frame and the side clamping block.

[0013] Manually pull the side clamping block open, the side slide column slides along the rotating frame, the side spring is compressed, the oil stone is placed between the side clamping block and the rotating frame, and the side spring drives the side clamping block to press the oil stone onto the rotating frame.

[0014] The push electric cylinder extends and pushes the push frame to slide along the sliding column. The reset spring is compressed, and then the rotating motor rotates to drive the rotating cylinder, the inner turntable and the rotating slope block to rotate. Under the action of the fixed slope block, the compression spring is initially in a compressed state. When the rotating slope block moves to the groove of the fixed slope block, the compression spring rebounds, driving the rotating slope block and the rotating cylinder to descend, thereby causing the rotating frame to descend as a whole. At this time, the oilstone is located above the inner ring of the outer ring of the bearing, the top electric cylinder contracts, and the column spring rebounds to drive the top frame to descend, and the oilstone is pressed against the inner ring of the outer ring of the bearing through the top frame. As the oilstone is continuously consumed in subsequent processing, the column spring continuously rebounds to keep the oilstone always close to the outer ring of the bearing.

[0015] During super finishing, the fast rotation of the motor drives the rotating block to rotate, and drives the eccentric column to rotate eccentrically, thereby driving the rocking frame and the sliding frame to swing back and forth at high frequency along the fixed horizontal column, thereby driving the oilstone to swing back and forth at high frequency on the inner ring of the bearing outer ring, and super finishing is performed on the inner roller surface of the bearing outer ring through the oilstone.

[0016] When the super finishing is completed, the rotating slope block rotates ninety degrees, driving the rotating slope block to rotate along the fixed slope block. With the cooperation of the slope surfaces of the rotating slope block and the fixed slope block, the rotating slope block and the rotating frame rotate and rise at the same time, so that the oil stone can leave the inner ring of the bearing outer ring, and then push the electric cylinder to contract and drive the pushing frame away from the bottom plate. When the oil stone is consumed, the rotating slope block rotates one hundred and eighty degrees, so that another oil stone reaches the bearing outer ring, and the bearing outer ring continues to be super finished.

[0017] Furthermore, the rotating device includes a fixed frame fixedly mounted on the pushing frame, a clamping electric cylinder fixedly mounted on the fixed frame, a wheel frame slidably mounted on the fixed frame, the top of the clamping electric cylinder is fixedly mounted on the wheel frame, a guide column is fixedly mounted on the wheel frame, the guide column is slidably mounted on the fixed frame, an upper motor is fixedly mounted on the wheel frame, an upper transmission wheel is fixedly mounted on the motor shaft of the upper motor, the upper transmission wheel is rotatably mounted on the wheel frame, a rubber friction wheel is rotatably mounted on the wheel frame, and a vertical transmission belt is wrapped around the rubber friction wheel and the upper transmission wheel.

[0018] When the oilstone is pressed against the inner ring of the outer ring of the bearing, the pressing electric cylinder extends and drives the wheel frame and the guide column to descend along the fixed frame, so that the rubber friction wheel is pressed against the outer ring of the bearing. The upper motor rotates to drive the upper transmission wheel to rotate, and the rubber friction wheel is driven to rotate through the vertical transmission belt. The rubber friction wheel and the outer ring of the bearing form a friction transmission, and the rubber friction wheel drives the outer ring of the bearing to rotate. In coordination with the rotation of the clamping wheel and the reciprocating high-frequency swing of the oilstone, the inner roller surface of the outer ring of the bearing is super-finished.

[0019] Compared with the prior art, the present invention has the following advantages: (1) The present invention adopts a switching device to switch the positions of the two tensioning mechanisms. When one tensioning mechanism is processing the outer ring of the bearing, the other tensioning mechanism can install the next outer ring of the bearing to be processed. The two sides proceed synchronously, and when the tensioning mechanism in processing is clamped, the other tensioning mechanism is opened, which is convenient for use.

[0020] (2) The working device provided in the present invention presses the oilstone against the inner surface of the bearing outer ring, and drives the oilstone mechanism to reciprocate and shake at a high frequency through the reciprocating mechanism, thereby performing efficient super-finishing on the inner surface of the bearing outer ring, and cooperates with the rotating device to drive the bearing outer ring to rotate, thereby achieving comprehensive super-finishing on the inner surface of the bearing outer ring.

[0021] (3) The end mechanism of the present invention drives the oilstone mechanism to rotate and rise and fall at the same time, so that the oilstone can smoothly reach and leave the inner surface of the bearing outer ring. When one oilstone is used up, it can be switched to another one. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of an embodiment of the present invention.

[0023] Figure 2 The structure of the switching device of the present invention is shown in FIG. Figure 1 .

[0024] Figure 3 The structure of the switching device of the present invention is shown in FIG. Figure 2 .

[0025] Figure 4 The structure of the switching device of the present invention is shown in FIG. Figure 3 .

[0026] Figure 5 The structure of the working device of the present invention is shown in FIG. Figure 1 .

[0027] Figure 6 The structure of the working device of the present invention is shown in FIG. Figure 2 .

[0028] Figure 7 It is a structural schematic diagram of the reciprocating mechanism of the present invention.

[0029] Figure 8 It is a structural schematic diagram of the terminal mechanism of the present invention.

[0030] Fig. 9 It is a structural schematic diagram of the oilstone mechanism of the present invention.

[0031] Fig.10 It is a structural schematic diagram of the stone clamping mechanism of the present invention.

[0032] Fig.11 The structure of the rotating device of the present invention is shown in FIG. Figure 1 .

[0033] Fig.12 The structure of the rotating device of the present invention is shown in FIG. Figure 1 .

[0034] Figure numerals: 101-bottom plate; 102-cross rail; 103-cross electric cylinder; 104-movable clamping frame; 105-opening and closing motor; 106-motor gear; 107-side gear; 108-inner transmission wheel; 109-inner transmission belt; 110-outer transmission wheel; 111-clamping turntable; 112-arc groove; 113-fixed plate; 114-arc moving block; 115-clamping slide groove; 116-clamping wheel; 117-bearing outer ring; 201-fixed bottom plate; 202-sliding column; 203-reset spring; 204-pushing electric cylinder; 205-pushing frame; 206-motor frame; 207-fast motor; 208-rotating block; 209-eccentric column; 210-swaying frame; 211-fixed seat; 212-fixed horizontal column; 213-sliding frame; 214-rotating motor; 215-rotating cylinder; 216-compression spring; 217-inner turntable; 218-rotating slope block; 219-fixed slope block; 220-rotating frame; 221-top electric cylinder; 222-top frame; 223-vertical sliding column; 224-vertical column spring; 225-side clamping block; 226-side spring; 227-side sliding column; 228-oil stone; 301-fixed frame; 302-clamping electric cylinder; 303-wheel frame; 304-guide column; 305-rubber friction wheel; 306-vertical transmission belt; 307-upper transmission wheel; 308-upper motor. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] like Figure 1 As shown, a cylindrical roller bearing outer ring superfinishing machine of this embodiment is composed of a switching device, a working device and a rotating device. The switching device includes a base plate 101, the switching device is used to switch the outer ring of the bearing to be processed, and the switching device is provided with a working device, the working device includes a fixed base plate 201, the fixed base plate 201 is fixedly mounted on the base plate 101, the working device is used to superfinish the inner surface of the outer ring of the bearing, and the working device is provided with a rotating device, the rotating device includes a fixed frame 301, and the rotating device is used to drive the outer ring of the bearing to rotate.

[0037] like Figure 2-Figure 4 As shown, the switching device includes a horizontal rail 102 fixedly mounted on a base plate 101, a horizontal electric cylinder 103 fixedly mounted on the base plate 101, a movable clamping frame 104 slidably mounted on the horizontal rail 102, the movable clamping frame 104 is fixedly mounted on the top of the horizontal electric cylinder 103, an opening and closing motor 105 is fixedly mounted on the movable clamping frame 104, and a motor gear 106 is fixedly mounted on the motor shaft of the opening and closing motor 105.

[0038] like Figure 2-Figure 4 As shown, the movable clamping frame 104 is provided with two tensioning mechanisms, the tensioning mechanism includes an inner transmission wheel 108 rotatably mounted on the movable clamping frame 104, a side gear 107 is fixedly mounted on the inner transmission wheel 108, the side gear 107 is meshed with the motor gear 106, a clamping turntable 111 is rotatably mounted on the movable clamping frame 104, and three arc grooves 112 are arranged on the clamping turntable 111. The arc grooves 112 of the two tensioning mechanisms are in opposite directions. An outer transmission wheel 110 is fixedly installed, and an inner transmission belt 109 is wound around the outer transmission wheel 110 and the inner transmission wheel 108. A fixed plate 113 is fixedly installed on the movable clamping frame 104, and three clamping grooves 115 are arranged on the fixed plate 113. An arc moving block 114 is slidably installed in the clamping groove 115, and the arc moving block 114 slides in the arc groove 112. A clamping wheel 116 is rotatably installed on the arc moving block 114, and a bearing outer ring 117 is placed between the three clamping wheels 116.

[0039] The opening and closing motor 105 rotates to drive the motor gear 106 to rotate, thereby driving the side gear 107 and the inner transmission wheel 108 to rotate, and the outer transmission wheel 110 is driven to rotate through the inner transmission belt 109, thereby driving the clamping turntable 111 to rotate, thereby driving the arc moving block 114 to slide along the clamping slide groove 115 through the arc groove 112, thereby driving the clamping wheel 116 to slide. Since the arc grooves 112 of the two tensioning mechanisms are in opposite directions, the clamping wheel 116 of one tensioning mechanism slides outward, and the clamping wheel 116 of the other tensioning mechanism slides inward, so that the clamping wheel 116 located at the fixed base plate 201 clamps the bearing outer ring 117, and the clamping wheel 116 located on the outside is opened to facilitate the placement of the next bearing outer ring 117 to be processed, and the removal of the bearing outer ring 117 after processing. The horizontal electric cylinder 103 is extended and retracted to drive the movable clamping frame 104 to slide along the horizontal rail 102, switching the positions of the two tensioning mechanisms.

[0040] like Figure 5-Figure 10 As shown, the working device includes a sliding column 202 fixedly mounted on a fixed base plate 201, a pushing electric cylinder 204 is fixedly mounted on the fixed base plate 201, a pushing frame 205 is slidably mounted on the sliding column 202, and a reset spring 203 is arranged between the pushing frame 205 and the fixed base plate 201.

[0041] like Figure 5-Figure 10 As shown, a reciprocating mechanism is provided on the pushing frame 205, and the reciprocating mechanism includes a motor frame 206 fixedly mounted on the pushing frame 205, a fast motor 207 fixedly mounted on the motor frame 206, a rotating block 208 fixedly mounted on the motor shaft of the fast motor 207, an eccentric column 209 eccentrically fixedly mounted on the rotating block 208, a fixed seat 211 fixedly mounted on the pushing frame 205, a fixed horizontal column 212 fixedly mounted on the fixed seat 211, a sliding frame 213 slidably mounted on the fixed horizontal column 212, a rocking frame 210 fixedly mounted on the sliding frame 213, and the eccentric column 209 and the rocking frame 210 are slidably mounted.

[0042] like Figure 5-Figure 10 As shown, an end mechanism is provided on the sliding frame 213, and the end mechanism includes a rotating motor 214 fixedly mounted on the sliding frame 213, a rotating cylinder 215 is slidably mounted on the motor shaft of the rotating motor 214, an inner turntable 217 is slidably mounted on the rotating cylinder 215, the inner turntable 217 is rotatably mounted with the sliding frame 213, a compression spring 216 is provided between the inner turntable 217 and the rotating cylinder 215, a rotating slope block 218 is fixedly mounted on the rotating cylinder 215, a fixed slope block 219 is fixedly mounted on the sliding frame 213, and the rotating slope block 218 and the fixed slope block 219 are slidably mounted.

[0043] like Figure 5-Figure 10As shown, an oilstone mechanism is provided on the rotating cylinder 215, and the oilstone mechanism includes a rotating frame 220 fixedly mounted on the rotating cylinder 215, a vertical sliding column 223 is fixedly mounted on the rotating frame 220, a top frame 222 is slidably mounted on the vertical sliding column 223, a top electric cylinder 221 is fixedly mounted on the top frame 222, and a column spring 224 is provided between the vertical sliding column 223 and the top frame 222.

[0044] like Figure 5-Figure 10 As shown, a stone clamping mechanism is provided in the rotating frame 220, and the stone clamping mechanism includes a side clamping block 225 slidably mounted on the rotating frame 220, a side sliding column 227 is fixedly mounted on the side clamping block 225, the side sliding column 227 is slidably mounted with the rotating frame 220, a side spring 226 is provided between the side clamping block 225 and the rotating frame 220, and an oil stone 228 is placed between the rotating frame 220 and the side clamping block 225.

[0045] The side clamping block 225 is manually pulled open, the side sliding column 227 slides along the rotating frame 220, the side spring 226 is compressed, and the oil stone 228 is placed between the side clamping block 225 and the rotating frame 220. The side spring 226 drives the side clamping block 225 to press the oil stone 228 onto the rotating frame 220.

[0046] The push electric cylinder 204 extends and pushes the push frame 205 to slide along the sliding column 202, and the reset spring 203 is compressed. Then the rotating motor 214 rotates to drive the rotating cylinder 215, the inner turntable 217 and the rotating slope block 218 to rotate. Under the action of the fixed slope block 219, the compression spring 216 is initially in a compressed state. When the rotating slope block 218 moves to the groove of the fixed slope block 219, the compression spring 216 rebounds, driving the rotating slope block 218 and the rotating cylinder 215 to descend, thereby causing the rotating frame 220 to descend as a whole. At this time, the oil stone 228 is located above the inner ring of the bearing outer ring 117, the top electric cylinder 221 contracts, and the column spring 224 rebounds to drive the top frame 222 to descend, and the oil stone 228 is pressed against the inner ring of the bearing outer ring 117 through the top frame 222. As the oil stone 228 is continuously consumed in the subsequent processing process, the column spring 224 continuously rebounds to keep the oil stone 228 always in close contact with the bearing outer ring 117.

[0047] During super finishing, the fast motor 207 rotates to drive the rotating block 208 to rotate, and drives the eccentric column 209 to rotate eccentrically, thereby driving the rocking frame 210 and the sliding frame 213 to swing back and forth at a high frequency along the fixed horizontal column 212, thereby driving the oilstone 228 to swing back and forth at a high frequency on the inner ring of the bearing outer ring 117, and super finishing is performed on the inner roller surface of the bearing outer ring 117 through the oilstone 228.

[0048] When the super finishing is completed, the rotating slope block 218 rotates ninety degrees, driving the rotating slope block 218 to rotate along the fixed slope block 219. With the cooperation of the slope surfaces of the rotating slope block 218 and the fixed slope block 219, the rotating slope block 218 and the rotating frame 220 rotate and rise at the same time, so that the oil stone 228 can leave the inner ring of the bearing outer ring 117, and then push the electric cylinder 204 to contract and drive the pushing frame 205 away from the bottom plate 101. When the oil stone 228 is consumed, the rotating slope block 218 rotates one hundred and eighty degrees, so that another oil stone 228 reaches the bearing outer ring 117, and the bearing outer ring 117 continues to be super finished.

[0049] like Fig.11 , Fig.12 As shown, the rotating device includes a fixed frame 301 fixedly mounted on the pushing frame 205, a clamping electric cylinder 302 is fixedly mounted on the fixed frame 301, a wheel frame 303 is slidably mounted on the fixed frame 301, the top of the clamping electric cylinder 302 is fixedly mounted on the wheel frame 303, a guide column 304 is fixedly mounted on the wheel frame 303, the guide column 304 is slidably mounted on the fixed frame 301, an upper motor 308 is fixedly mounted on the wheel frame 303, an upper transmission wheel 307 is fixedly mounted on the motor shaft of the upper motor 308, the upper transmission wheel 307 is rotatably mounted on the wheel frame 303, a rubber friction wheel 305 is rotatably mounted on the wheel frame 303, and a vertical transmission belt 306 is wrapped around the rubber friction wheel 305 and the upper transmission wheel 307.

[0050] When the oilstone 228 is pressed against the inner ring of the bearing outer ring 117, the pressing electric cylinder 302 extends to drive the wheel frame 303 and the guide column 304 to descend along the fixed frame 301, so that the rubber friction wheel 305 is pressed against the bearing outer ring 117, and the upper motor 308 rotates to drive the upper transmission wheel 307 to rotate, and the rubber friction wheel 305 is driven to rotate through the vertical transmission belt 306. The rubber friction wheel 305 and the bearing outer ring 117 form a friction transmission, and the rubber friction wheel 305 drives the bearing outer ring 117 to rotate, and cooperates with the rotation of the clamping wheel 116 and the reciprocating high-frequency swing of the oilstone 228 to perform super-finishing on the inner roller surface of the bearing outer ring.

[0051] The working principle of this embodiment is as follows: the side clamping block 225 is manually pulled open, the side sliding column 227 slides along the rotating frame 220, the side spring 226 is compressed, and the oil stone 228 is placed between the side clamping block 225 and the rotating frame 220. The side spring 226 drives the side clamping block 225 to press the oil stone 228 onto the rotating frame 220. The opening and closing motor 105 rotates to drive the motor gear 106 to rotate, thereby driving the side gear 107 and the inner transmission wheel 108 to rotate, and the outer transmission wheel 110 is driven to rotate through the inner transmission belt 109, thereby driving the clamping turntable 111 to rotate, thereby driving the arc block 114 along the arc groove 112. The clamping groove 115 slides, thereby driving the clamping wheel 116 to slide. Since the arc grooves 112 of the two tensioning mechanisms are in opposite directions, the clamping wheel 116 of one tensioning mechanism slides outward, and the clamping wheel 116 of the other tensioning mechanism slides inward, so that the clamping wheel 116 located at the fixed base plate 201 clamps the bearing outer ring 117, and the clamping wheel 116 located on the outside is opened to facilitate the placement of the next bearing outer ring 117 to be processed and the removal of the bearing outer ring 117 after processing. The horizontal electric cylinder 103 is extended and retracted to drive the movable clamping frame 104 to slide along the horizontal rail 102, switching the positions of the two tensioning mechanisms. The push electric cylinder 204 extends and pushes the push frame 205 to slide along the sliding column 202, and the reset spring 203 is compressed. Then the rotating motor 214 rotates to drive the rotating cylinder 215, the inner turntable 217 and the rotating slope block 218 to rotate. Under the action of the fixed slope block 219, the compression spring 216 is initially in a compressed state. When the rotating slope block 218 moves to the groove of the fixed slope block 219, the compression spring 216 rebounds, driving the rotating slope block 218 and the rotating cylinder 215 to descend, thereby causing the rotating frame 220 to descend as a whole. At this time, the oil stone 228 is located above the inner ring of the bearing outer ring 117, the top electric cylinder 221 contracts, and the column spring 224 rebounds to drive the top frame 222 to descend, and the oil stone 228 is pressed against the inner ring of the bearing outer ring 117 through the top frame 222. As the oil stone 228 is continuously consumed in the subsequent processing process, the column spring 224 continuously rebounds to keep the oil stone 228 always in close contact with the bearing outer ring 117. During super finishing, the fast motor 207 rotates to drive the rotating block 208 to rotate, and drives the eccentric column 209 to rotate eccentrically, thereby driving the rocking frame 210 and the sliding frame 213 to swing back and forth at a high frequency along the fixed horizontal column 212, thereby driving the oilstone 228 to swing back and forth at a high frequency on the inner ring of the bearing outer ring 117, and super finishing is performed on the inner roller surface of the bearing outer ring 117 through the oilstone 228.When the oilstone 228 is pressed against the inner ring of the bearing outer ring 117, the pressing electric cylinder 302 extends to drive the wheel frame 303 and the guide column 304 to descend along the fixed frame 301, so that the rubber friction wheel 305 is pressed against the bearing outer ring 117, and the upper motor 308 rotates to drive the upper transmission wheel 307 to rotate, and the rubber friction wheel 305 is driven to rotate through the vertical transmission belt 306. The rubber friction wheel 305 and the bearing outer ring 117 form a friction transmission, and the rubber friction wheel 305 drives the bearing outer ring 117 to rotate, and cooperates with the rotation of the clamping wheel 116 and the reciprocating high-frequency swing of the oilstone 228 to perform super-finishing on the inner roller surface of the bearing outer ring. When the super finishing is completed, the rotating slope block 218 rotates ninety degrees, driving the rotating slope block 218 to rotate along the fixed slope block 219. With the cooperation of the slope surfaces of the rotating slope block 218 and the fixed slope block 219, the rotating slope block 218 and the rotating frame 220 rotate and rise at the same time, so that the oil stone 228 can leave the inner ring of the bearing outer ring 117, and then push the electric cylinder 204 to contract and drive the pushing frame 205 away from the bottom plate 101. When the oil stone 228 is consumed, the rotating slope block 218 rotates one hundred and eighty degrees, so that another oil stone 228 reaches the bearing outer ring 117, and the bearing outer ring 117 continues to be super finished.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A cylindrical roller bearing outer ring superfinishing machine, comprising a switching device, characterized in that: The switching device comprises a base plate (101), the switching device is used to switch the bearing outer ring to be processed, the switching device is provided with an operating device, the operating device comprises a fixed base plate (201), the fixed base plate (201) is fixedly mounted on the base plate (101), the operating device is used to perform super-finishing on the inner surface of the bearing outer ring, the operating device is provided with a rotating device, the rotating device comprises a fixed frame (301), and the rotating device is used to drive the bearing outer ring to rotate; The switching device comprises a transverse rail (102) fixedly mounted on a base plate (101), a transverse electric cylinder (103) fixedly mounted on the base plate (101), a movable clamping frame (104) slidably mounted on the transverse rail (102), the movable clamping frame (104) being fixedly mounted on the top of the transverse electric cylinder (103), an opening and closing motor (105) fixedly mounted on the movable clamping frame (104), and a motor gear (106) fixedly mounted on the motor shaft of the opening and closing motor (105); The movable clamping frame (104) is provided with two tensioning mechanisms, the tensioning mechanisms comprising an inner transmission wheel (108) rotatably mounted on the movable clamping frame (104), a side gear (107) fixedly mounted on the inner transmission wheel (108), the side gear (107) meshing with the motor gear (106), a clamping turntable (111) rotatably mounted on the movable clamping frame (104), the clamping turntable (111) being provided with three arc grooves (112), the arc grooves (112) of the two tensioning mechanisms being in opposite directions, and a side gear (107) fixedly mounted on the clamping turntable (111) An outer transmission wheel (110) is installed, and an inner transmission belt (109) is wound around the outer side of the outer transmission wheel (110) and the inner transmission wheel (108); a fixed plate (113) is fixedly installed on the movable clamping frame (104); three clamping slide grooves (115) are arranged on the fixed plate (113); an arc moving block (114) is slidably installed in the clamping slide groove (115); the arc moving block (114) slides in the arc groove (112); a clamping wheel (116) is rotatably installed on the arc moving block (114); and a bearing outer ring (117) is placed between the three clamping wheels (116); The operating device comprises a sliding column (202) fixedly mounted on a fixed base plate (201), a pushing electric cylinder (204) fixedly mounted on the fixed base plate (201), a pushing frame (205) slidably mounted on the sliding column (202), and a return spring (203) is provided between the pushing frame (205) and the fixed base plate (201); The pushing frame (205) is provided with a reciprocating mechanism, the reciprocating mechanism comprising a motor frame (206) fixedly mounted on the pushing frame (205), a fast motor (207) fixedly mounted on the motor frame (206), a rotating block (208) fixedly mounted on the motor shaft of the fast motor (207), an eccentric column (209) eccentrically fixedly mounted on the rotating block (208), a fixed seat (211) fixedly mounted on the pushing frame (205), a fixed horizontal column (212) fixedly mounted on the fixed seat (211), a sliding frame (213) slidably mounted on the fixed horizontal column (212), a shaking frame (210) fixedly mounted on the sliding frame (213), and the eccentric column (209) and the shaking frame (210) are slidably mounted; The sliding frame (213) is provided with an end mechanism, and the end mechanism comprises a rotating motor (214) fixedly mounted on the sliding frame (213); a rotating cylinder (215) is slidably mounted on the motor shaft of the rotating motor (214); an inner rotating disk (217) is slidably mounted on the rotating cylinder (215); the inner rotating disk (217) is rotatably mounted on the sliding frame (213); a compression spring (216) is provided between the inner rotating disk (217) and the rotating cylinder (215); a rotating slope block (218) is fixedly mounted on the rotating cylinder (215); a fixed slope block (219) is fixedly mounted on the sliding frame (213); and the rotating slope block (218) and the fixed slope block (219) are slidably mounted; An oil stone mechanism is provided on the rotating cylinder (215), and the oil stone mechanism comprises a rotating frame (220) fixedly mounted on the rotating cylinder (215), a vertical sliding column (223) fixedly mounted on the rotating frame (220), a top frame (222) slidably mounted on the vertical sliding column (223), a top electric cylinder (221) fixedly mounted on the top frame (222), and a column spring (224) is provided between the vertical sliding column (223) and the top frame (222); A stone clamping mechanism is arranged inside the rotating frame (220), and the stone clamping mechanism comprises a side clamping block (225) slidably mounted on the rotating frame (220), a side sliding column (227) is fixedly mounted on the side clamping block (225), the side sliding column (227) and the rotating frame (220) are slidably mounted, a side spring (226) is arranged between the side clamping block (225) and the rotating frame (220), and an oil stone (228) is placed between the rotating frame (220) and the side clamping block (225).

2. The cylindrical roller bearing outer ring superfinishing machine according to claim 1, characterized in that: The rotating device comprises a fixed frame (301) fixedly mounted on the pushing frame (205), a pressing electric cylinder (302) fixedly mounted on the fixed frame (301), a wheel frame (303) slidably mounted on the fixed frame (301), the top of the pressing electric cylinder (302) fixedly mounted on the wheel frame (303), a guide column (304) fixedly mounted on the wheel frame (303), the guide column (304) slidably mounted on the fixed frame (301), an upper motor (308) fixedly mounted on the wheel frame (303), an upper transmission wheel (307) fixedly mounted on the motor shaft of the upper motor (308), the upper transmission wheel (307) rotatably mounted on the wheel frame (303), a rubber friction wheel (305) rotatably mounted on the wheel frame (303), and a vertical transmission belt (306) wound around the rubber friction wheel (305) and the upper transmission wheel (307).

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