CN114800079A - Flexible continuous production bearing convexity roller grinding and polishing device and method - Google Patents
Flexible continuous production bearing convexity roller grinding and polishing device and method Download PDFInfo
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- CN114800079A CN114800079A CN202210472150.7A CN202210472150A CN114800079A CN 114800079 A CN114800079 A CN 114800079A CN 202210472150 A CN202210472150 A CN 202210472150A CN 114800079 A CN114800079 A CN 114800079A
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- 238000005498 polishing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010924 continuous production Methods 0.000 title claims abstract description 11
- 238000013519 translation Methods 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
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- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Abstract
The invention provides a bearing convexity roller grinding and polishing device and a method thereof for flexible continuous production, wherein the device comprises a sliding bottom plate, a fixed upright post, two grinding guide rollers, a guide roller adjusting mechanism arranged on the lower side of the sliding bottom plate, a feed inlet, a translation feeding mechanism arranged on the sliding bottom plate, a grinding tool and a material receiving box, wherein the two grinding guide rollers are respectively driven to rotate by grinding driving units arranged on the sliding bottom plate and the fixed upright post, and the translation feeding sliding table is arranged in a translation feeding box and is controlled by a push plate driving unit to reciprocate. The scheme abandons the serious dependence on the complex curved surface shape precision of a guide roller and a grinding wheel and the equipment geometric structure adjustment in the traditional through type centerless grinding and ultra-precision grinding processing mode, and can ensure that the surface of a workpiece forms a complex processing track shape by accurately and flexibly controlling the motion speed of a push plate through numerical control programming, further ensure that the bus outline of the workpiece forms a convexity shape, and realize the flexible continuous processing of grinding and polishing of the convex roller of the bearing.
Description
Technical Field
The invention relates to the technical field of grinding devices, in particular to a bearing convexity roller grinding and polishing device and method for flexible continuous production.
Background
In the centerless grinding and ultra-precision grinding equipment in the prior art, the translational feeding of the workpiece mainly depends on the shape of the guide roller, the geometric layout of a machine tool and the friction force between the workpiece and the guide roller, so that the guide roller has a complex shape, high processing difficulty, high maintenance cost and extremely rigid translational feeding motion of the workpiece. For workpieces with different sizes and shapes, parameter debugging and maintenance of equipment are required to be carried out for a long time, and the flexible and personalized production in the intelligent manufacturing era is difficult to adapt. According to the processing equipment disclosed by the invention, the convexity forming of the workpiece mainly depends on the movement speed of the workpiece push plate instead of the shape of the guide roller and the geometric layout of a machine tool, the variable-speed translation feeding of the workpiece can be realized, and the flexible and personalized grinding and polishing automatic production of the bearing convexity roller is further realized.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bearing convexity roller grinding and polishing device and a bearing convexity roller grinding and polishing method which are flexibly and continuously produced, and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a bearing convexity roller grinding and polishing device for flexible continuous production and a method thereof comprise a sliding bottom plate, a fixed upright post, two grinding guide rollers, a guide roller adjusting mechanism arranged on the lower side of the sliding bottom plate, a feed inlet, a translation feeding mechanism arranged on the sliding bottom plate, a grinding tool and a material receiving box, wherein the two grinding guide rollers are driven to rotate by grinding driving units arranged on the sliding bottom plate and the fixed upright post respectively;
the translation feeding mechanism comprises a push plate driving unit, a translation feeding box, a translation feeding sliding table and a push plate, the push plate driving unit is installed on the upper surface of the sliding bottom plate, the translation feeding box is fixedly installed on the sliding bottom plate, the translation feeding sliding table is arranged in the translation feeding box and is controlled by the push plate driving unit to reciprocate, and the push plate is fixedly installed on the translation feeding sliding table;
the collecting box is fixedly installed on the upper end face of the sliding bottom plate, and the fixing frame, the push plate and the collecting box are respectively arranged along the axial direction of the grinding guide roller in sequence.
Preferably, the workpiece translation mechanism comprises a push rod motor fixedly arranged on the feeding port platform, and a push rod is arranged in the push rod motor.
Preferably, a pushing plate groove is formed in the pushing plate, the bottom wall of the pushing plate groove is close to one side of the material receiving box and is lower than the bottom wall of the pushing plate groove, the bottom wall of the material receiving box is far away from one side of the material receiving box, and a spongy cushion is fixedly laid in the material receiving box.
Preferably, the push pedal drive unit include fixed mounting in first motor on the bottom plate slides, first motor is kept away from it has a pulley group to receive magazine one side power connection, the pulley group with power transmission to locating the translation feeds the lead screw of feeding in the incasement, feed the lead screw with rotate between the translation feeding incasement wall and be connected, feed the lead screw with the translation feeds threaded connection between the slip table.
Preferably, it is two sets of it includes motor support frame, grinding motor, pivot support frame and grinding pivot respectively to grind the drive unit, motor support frame is fixed respectively to be located the bottom plate that slides with the stationary mast both sides, two grind motor respectively fixed mounting in motor support frame keeps away from grind deflector roll one end, the pivot support frame is fixed to be located the bottom plate that slides with the stationary mast both sides just are located between the motor support frame, grind the pivot with grind deflector roll coaxial arrangement and by the pivot support frame supports, it is greater than to grind the deflector roll diameter grind the pivot diameter.
Preferably, the feed mechanism comprises a horizontal control box, a horizontal screw rod, a horizontal sliding table, a vertical control box and a reinforcing rib, the horizontal control box is fixedly arranged on the upper side of the fixed upright post, the horizontal screw rod is arranged in the horizontal control box, a first motor for driving the horizontal screw rod to rotate is fixedly arranged on the outer side of the horizontal control box, the horizontal sliding table is arranged on the horizontal control box in a sliding way, the horizontal screw rod is in threaded connection with the horizontal sliding table, the vertical control box is fixedly arranged on the outer side of the horizontal sliding table, a second motor is fixedly arranged on the outer side of the vertical control box, the power of the second motor extends into the vertical control box and is connected with a vertical screw rod in a power mode, a vertical sliding table is installed in the vertical control box in a sliding mode, the vertical screw rod is in threaded connection with the vertical sliding table, and the reinforcing ribs are used for fixedly mounting the grinding tool on the vertical sliding table.
Preferably, deflector roll adjustment mechanism is including fixed locating the deflector roll regulating box of bottom plate downside slides, sliding connection has the regulation base in the deflector roll regulating box, the inboard threaded connection of regulation base has accommodate the lead screw, deflector roll regulating box outside fixed mounting has and is used for the drive accommodate the lead screw pivoted third motor, the bottom plate fixed mounting that slides in adjust the base upside, the bottom plate up end that slides with downside terminal surface is the coplanar in the stationary mast, two it is located same height and is located to grind the deflector roll push rod motor downside.
Preferably, the workpiece material is bearing steel, silicon nitride and zirconia, the grinding guide roller material is carburizing and quenching steel, the friction between the surface of the grinding guide roller and the surface of the workpiece is greater than the friction between the workpiece and the grinding tool.
A flexible continuous production bearing convexity roller grinding and polishing method is characterized by comprising the following steps.
S1, in the feeding process, a plurality of workpieces are placed in a feed inlet storage tank, a push rod motor controls a push rod to push the workpieces down from a drop opening, one workpiece is conveyed to one end of a grinding guide roller and falls into a push plate groove, the position of the workpiece falling between two grinding guide rollers is limited by the inner side of the push plate groove, the distance between the two grinding guide rollers is adjusted through a guide roller adjusting mechanism of a bottom plate according to the diameter of the excircle of the workpiece, the included angle of the cross section of the butt position between the axis of the workpiece and the two grinding guide rollers is 120 degrees, and the bottom surface of a grinding tool removes materials from the excircle of the workpiece through adjusting a feed mechanism;
s2, in the processing process, the grinding guide rollers rotate in the same direction and at the same speed to further drive the workpiece to rotate, the first motor controls the push plate to drive the workpiece to move along the axial direction of the grinding guide rollers, and the specific direction is from one end of the grinding guide roller close to the feed inlet to one end of the grinding guide roller close to the material collecting box; when a rotating and translating workpiece passes through the grinding tool, the workpiece is in contact with the grinding tool, the bottom surface of the grinding tool removes materials from the excircle of the workpiece, the workpiece is made to reciprocate and move at variable speed through numerical control programming, and when the positions of two sides of the workpiece, which are close to the end surfaces, are in contact with the grinding tool, the translation speed of the workpiece is low, so that the removal of more materials at two ends of the workpiece is ensured; when the middle section of the workpiece is in contact with the grinding tool, the translation speed of the workpiece is high, so that the material in the middle section of the workpiece is removed little, and the generatrix of the workpiece is in a convexity shape;
and S3, after the workpiece leaves the grinding tool area, the workpiece keeps rotating and translating, when the workpiece moves to a position beyond the grinding guide roller, the workpiece freely falls from between the two grinding rotating shafts, the inclined bottom wall of the push plate groove enables the workpiece to freely fall to one side close to the material receiving box, the material receiving box is used for containing the workpiece, and then the push plate returns to the initial position and runs in a circulating mode along with the falling of a new workpiece.
(III) advantageous effects
The invention provides a bearing convexity roller grinding and polishing device and method for flexible continuous production. The method has the following beneficial effects:
1. the scheme abandons the serious dependence on the complex curved surface shape precision of a guide roller and a grinding wheel and the geometric structure adjustment of equipment in the traditional through type centerless grinding and ultra-finishing processing mode, the convexity forming of the bearing roller mainly depends on the processing track form, and the processing track form can be accurately and flexibly controlled by numerical control programming, so that the flexible grinding and polishing processing of the bearing convexity rollers with different sizes and shapes can be realized.
2. According to the scheme, the mode of configuring the feed inlet, the workpiece translation feed mechanism and the material collecting box is adopted, the continuity of grinding and polishing work is guaranteed, and then the flexible continuous production of grinding and polishing of the convex roller of the bearing is realized.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic illustration of the explosive structure of the present invention;
FIG. 3 is a schematic structural view of the translation feeding mechanism and the fixing frame of the present invention;
FIG. 4 is a schematic structural view of a translation feeding mechanism according to the present invention;
FIG. 5 is a schematic view of a pusher plate and pusher slot of the present invention.
In the figure: 11. a sliding bottom plate; 12. fixing the upright post; 13. a first motor; 15. translating the feed box; 16. a feed screw; 18. a pulley set; 19. translating the feeding sliding table; 20. pushing a plate; 21. a push plate groove; 22. a fixed mount; 23. a feed inlet; 24. a push rod motor; 25. a push rod; 26. a drop opening; 27. a material receiving box; 30. a motor support frame; 31. grinding the motor; 32. a rotating shaft support frame; 34. grinding the rotating shaft; 35. grinding the guide roller; 40. a horizontal control box; 41. a first motor; 42. a horizontal screw rod; 43. a horizontal sliding table; 44. a vertical control box; 45. a second motor; 46. a vertical screw rod; 47. a vertical sliding table; 48. reinforcing ribs; 49. an abrasive article; 50. a guide roller adjusting box; 51. a third motor; 52. adjusting the screw rod; 53. the base is adjusted.
Detailed Description
The embodiment of the invention provides a bearing convexity roller grinding and polishing device for flexible continuous production and a method thereof, as shown in figures 1-5, the device comprises a sliding bottom plate 11, a fixed upright post 12, two grinding guide rollers 35, a guide roller adjusting mechanism arranged on the lower side of the sliding bottom plate 11, a feed inlet 23, a translation feeding mechanism arranged on the sliding bottom plate 11, a grinding tool 49 and a receiving box 27, wherein the two grinding guide rollers 35 are respectively driven to rotate by grinding driving units arranged on the sliding bottom plate 11 and on the fixed upright post 12, the grinding tool 49 is adjusted in space position by a feed mechanism arranged on the upper side of the fixed upright post 12, the feed inlet 23 is fixedly arranged on the upper surface of the sliding bottom plate 11, the feed inlet 23 is divided into a storage tank, a platform and a guide tank, the platform of the feed inlet 23 is provided with a workpiece translation mechanism, a plurality of workpieces are arranged in the feed inlet 23, the power end of the workpiece translation mechanism extends into the guide tank of the feed inlet 23, feed inlet 23 baffle box downside has been seted up and has been fallen mouth 26, the mouth 26 opening of falling is directly over two extreme position that grind deflector roll 35 one side, translation feed mechanism includes push pedal drive unit, translation feed box 15, translation feed slip table 19 and push pedal 20, push pedal drive unit installs in 11 upper surfaces of bottom plate that slides, 15 fixed mounting of translation feed box are on bottom plate 11 that slides, translation feed slip table 19 locate in translation feed box 15 and through push pedal drive unit control and reciprocating motion, push pedal 20 fixed mounting is on translation feed slip table 19, material collecting box 27 fixed mounting is in 11 up end of bottom plate that slides, mount 22, push pedal 20 and material collecting box 27 are placed along grinding deflector roll 35 axial respectively in proper order.
The workpiece translation mechanism comprises a push rod motor 24 fixedly arranged on the platform of the feeding port 23, a push rod 25 is arranged in the push rod motor 24, and one end of the push rod 25 extends into the guide chute of the feeding port 23 to be contacted with a workpiece.
As shown in fig. 5, a push plate groove 21 is formed in the push plate 20, the width of the push plate groove 21 is greater than the length of the workpiece, and further clearance fit needs to be maintained during processing, it needs to be noted that when the workpiece falls down after touching the bottom wall of the push plate groove 21, the falling direction of the workpiece cannot be controlled, therefore, the sponge pad is fixedly laid in the material receiving box 27 to prevent the workpiece from falling down and being damaged due to collision, the bottom wall of the push plate groove 21 is set to be lower than the bottom wall of the push plate groove 21 and away from the material receiving box 27, and the workpiece can freely fall to the side close to the material receiving box 27 when passing through the bottom wall of the push plate groove 21.
As shown in fig. 4, the push plate driving unit includes a first motor 13 fixedly installed on the sliding bottom plate 11, one side of the first motor 13, which is far away from the material receiving box 27, is power-connected with a belt pulley set 18, the first motor 13 drives a driving wheel in the belt pulley set 18 to rotate through a coupler, the driving wheel of the belt pulley set 18 transmits power to a feed screw 16 arranged in the translation feeding box 15 through a belt, the feed screw 16 is rotatably connected with the inner wall of the translation feeding box 15, the feed screw 16 is in threaded connection with the translation feeding sliding table 19, a slide rail for limiting the horizontal sliding of the translation feeding sliding table 19 is arranged in the translation feeding box 15, and the feed screw 16 drives the translation feeding sliding table 19 to be located in the translation feeding box 15 to move horizontally through a thread.
As shown in fig. 3, the two grinding driving units respectively include a motor supporting frame 30, a grinding motor 31, a rotating shaft supporting frame 32 and a grinding rotating shaft 34, the motor supporting frame 30 is respectively and fixedly disposed on two sides of the sliding bottom plate 11 and the fixed upright post 12, the two grinding motors 31 are respectively and fixedly mounted on one ends of the motor supporting frame 30 far away from the grinding guide roller 35, the rotating shaft supporting frame 32 is fixedly disposed on two sides of the sliding bottom plate 11 and the fixed upright post 12 and located between the motor supporting frames 30, the grinding rotating shaft 34 and the grinding guide roller 35 are coaxially mounted and supported by the rotating shaft supporting frame 32, the diameter of the grinding guide roller 35 is greater than that of the grinding rotating shaft 34, and the rotating directions of the two grinding rotating shafts 34 are the same.
As shown in fig. 2, the feed mechanism includes a horizontal control box 40, a horizontal screw rod 42, a horizontal sliding table 43, a vertical control box 44 and a reinforcing rib 48, the horizontal control box 40 is fixedly installed on the upper side of the fixed upright post 12, the horizontal screw rod 42 is arranged in the horizontal control box 40, a first motor 41 for driving the horizontal screw rod 42 to rotate is fixedly installed on the outer side of the horizontal control box 40, the horizontal sliding table 43 is slidably connected to the horizontal control box 40, a sliding rail for limiting the horizontal sliding of the horizontal sliding table 43 is arranged in the horizontal control box 40, the horizontal screw rod 42 is in threaded connection with the horizontal sliding table 43, the vertical control box 44 is fixedly installed on the outer side of the horizontal sliding table 43, a second motor 45 is fixedly installed on the outer side of the vertical control box 44, the second motor 45 extends into the vertical control box 44 and is in power connection with a vertical screw rod 46, a vertical sliding table 47 is slidably installed in the vertical control box 44, a sliding rail for limiting the vertical sliding of the vertical sliding table 47 is arranged in the vertical control box 44, the vertical screw rod 46 is in threaded connection with the vertical sliding table 47, and the reinforcing ribs 48 are used for fixedly mounting the grinding tool 49 on the vertical sliding table 47.
When the staff need adjust the horizontal position of grinding apparatus 49, through controlling first motor 41 to start, first motor 41 drives horizontal lead screw 42 through the shaft coupling and rotates, and horizontal lead screw 42 drives horizontal slip table 43 through the screw thread and is located horizontal movement in horizontal control box 40, and then drives vertical control box 44 horizontal movement, and vertical control box 44 drives grinding apparatus 49 horizontal movement through strengthening rib 48.
When the staff need adjust the vertical position of grinding apparatus 49, through starting second motor 45, second motor 45 passes through the shaft coupling and drives vertical lead screw 46 and rotate, and vertical lead screw 46 drives vertical slip table 47 through the screw and goes up and down, and then drives grinding apparatus 49 through strengthening rib 48 and carry out lift adjustment.
Guide roller adjustment mechanism is including fixed guide roller regulating box 50 of locating the bottom plate 11 downside that slides, sliding connection has regulation base 53 in guide roller regulating box 50, be equipped with the slide rail that is used for the restriction to adjust the removal of base 53 in guide roller regulating box 50, the inboard threaded connection of regulation base 53 has accommodate the lead screw 52, 50 outside fixed mounting of guide roller regulating box have be used for driving accommodate the lead screw 52 pivoted third motor 51, 11 fixed mounting of bottom plate that slides is in the upside of regulation base 53, the downside terminal surface is the coplanar in 11 up end of bottom plate that slides and the fixed post 12, two grind deflector roll 35 and be located the coplanar and be located push rod motor 24 downside.
When the worker needs to adjust the distance between the two grinding guide rollers 35, the third motor 51 is started, the third motor 51 drives the adjusting screw rod 52 to rotate through the coupler, the adjusting screw rod 52 drives the adjusting base 53 to be located in the guide roller adjusting box 50 to translate through threads, the whole sliding bottom plate 11 is driven to translate, and the sliding bottom plate 11 enables the distance between the two grinding guide rollers 35 to be changed by driving the motor support frame 30 and the rotating shaft support frame 32 to move.
In the scheme, the workpiece to be processed is made of bearing steel, silicon nitride and zirconium oxide, the grinding guide roller 35 is made of carburized quenched steel, the friction force between the surface of the grinding guide roller 35 and the surface of the workpiece is larger than the friction force between the workpiece and the grinding tool 49, the two grinding guide rollers 35 drive the workpiece to rotate through the surface friction force, and then the grinding tool 49 is used for grinding and polishing the workpiece.
In the scheme, the processing of one workpiece is divided into three stages:
s1, in the feeding process, a plurality of workpieces are placed in a material storage tank of a feeding port 23, a push rod motor 24 controls a push rod 25 to push the workpieces down from a dropping port 26, one workpiece is conveyed to one end of a grinding guide roller 35 and falls into a push plate groove 21, the position, between the two grinding guide rollers 35, of the workpiece is limited by the inner side of the push plate groove 21, the distance between the two grinding guide rollers 35 is adjusted through a guide roller adjusting mechanism of a bottom plate according to the diameter of the outer circle of the workpiece, the included angle of the cross section of the position, where the axis of the workpiece is abutted to the two grinding guide rollers 35, is 120 degrees, and the bottom surface of a grinding tool removes materials from the outer circle of the workpiece through adjusting a cutter feeding mechanism;
s2, in the processing process, the grinding guide rollers 35 rotate at the same direction and the same speed, so as to drive the workpiece to rotate, the first motor 13 controls the push plate 20 to drive the workpiece to move along the axial direction of the grinding guide rollers 35, and the specific direction is from one end of the grinding guide roller 35 close to the feed inlet to one end of the grinding guide roller 35 close to the material receiving box 27; when a rotating and translating workpiece passes through the grinding tool 49, the rotating and translating workpiece is in contact with the grinding tool 49, the bottom surface of the grinding tool 49 removes materials from the outer circle of the workpiece, the workpiece reciprocates and moves at a variable speed through numerical control programming, and when the positions of two sides of the workpiece, which are close to the end surfaces, are in contact with the grinding tool 49, the translation speed of the workpiece is low, so that more materials at two ends of the workpiece are removed; when the middle section of the workpiece contacts the grinding tool 49, the translation speed of the workpiece is fast, so that the middle section of the workpiece has less material removed, and the generatrix of the workpiece forms a convexity shape;
and S3, after the workpiece leaves the grinding tool area, the workpiece keeps rotating and translating continuously, when the workpiece moves to a position beyond the grinding guide roller 35, the workpiece freely falls from between the two grinding rotating shafts 34, the inclined bottom wall of the push plate groove 21 enables the workpiece to freely fall to a side close to the material receiving box 27, the workpiece is received by the material receiving box 27, and then the push plate returns to the initial position and runs in a circulating mode along with the falling of a new workpiece.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a bearing convexity roller grinding burnishing device of flexible continuous production which characterized in that: the grinding device comprises a sliding bottom plate (11), a fixed upright post (12), two grinding guide rollers (35), a guide roller adjusting mechanism arranged on the lower side of the sliding bottom plate (11), a feeding hole (23), a translation feeding mechanism arranged on the sliding bottom plate (11), a grinding tool (49) and a receiving box (27), wherein the two grinding guide rollers (35) have the same diameter and are horizontally and parallelly arranged on the axes, the distance between the axes is adjusted by the guide roller adjusting mechanism and is respectively driven to rotate by grinding driving units arranged on the sliding bottom plate (11) and the fixed upright post (12), and the grinding tool (49) is adjusted in spatial position by a feed mechanism arranged on the upper side of the fixed upright post (12);
the translation feeding mechanism comprises a push plate driving unit, a translation feeding box (15), a translation feeding sliding table (19) and a push plate (20), the push plate driving unit is installed on the upper surface of the sliding bottom plate (11), the translation feeding box (15) is fixedly installed on the sliding bottom plate (11), the translation feeding sliding table (19) is arranged in the translation feeding box (15) and is controlled by the push plate driving unit to move in a reciprocating mode, the push plate (20) is fixedly installed on the translation feeding sliding table (19), and the push plate (20) is placed between the two grinding guide rollers (35) and is parallel to the axes of the two grinding guide rollers (35);
the feeding hole (23) is fixedly arranged on the upper surface of the sliding bottom plate (11) and is placed on the end surface close to one side of the guide roller, the feeding hole (23) is divided into a storage tank, a platform and a guide chute, the storage tank is connected with the platform, the platform is connected with the guide chute, the storage tank and the guide chute are obliquely placed, a workpiece translation mechanism is installed on the platform of the feeding hole (23), a falling hole (26) is formed in the lower side of the guide chute of the feeding hole (23), and the falling hole (26) is used for guiding a workpiece to roll to the grinding guide roller (35);
the collecting box (27) is fixedly installed on the upper end face of the sliding bottom plate (11), the fixing frame (22), the push plate (20) and the collecting box (27) are respectively arranged along the axial direction of the grinding guide rollers (35) in sequence, and the top of the collecting box (27) is located at the lower part of a gap between the grinding guide rollers (35).
2. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: the workpiece translation mechanism comprises a push rod motor (24) fixedly arranged on the feeding port (23) platform, and a push rod (25) is arranged in the push rod motor (24).
3. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: a pushing plate groove (21) is formed in the pushing plate (20), the bottom wall of the pushing plate groove (21) is close to one side of the material receiving box (27) and is lower than the bottom wall of the pushing plate groove (21) and is far away from one side of the material receiving box (27), and a sponge mat is laid in the material receiving box (27) in a fixed mode.
4. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: push pedal drive unit includes fixed mounting in first motor (13) on sliding bottom plate (11), keep away from first motor (13) receipts magazine (27) one side power connection has pulley group (18), pulley group (18) with power transmission extremely locate translation feed lead screw (16) in case (15), feed lead screw (16) with the translation is fed and is rotated between case (15) inner wall and be connected, feed lead screw (16) with the translation is fed threaded connection between slip table (19).
5. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: two sets of it includes motor support frame (30), grinds motor (31), pivot support frame (32) and grinds pivot (34) respectively to grind drive unit, motor support frame (30) are fixed respectively and are located bottom plate (11) with stationary mast (12) both sides, two grind motor (31) respectively fixed mounting in motor support frame (30) is kept away from grind deflector roll (35) one end, pivot support frame (32) are fixed to be located bottom plate (11) with stationary mast (12) both sides just are located between motor support frame (30), grind pivot (34) with grind deflector roll (35) coaxial arrangement and by pivot support frame (32) support, it is greater than to grind deflector roll (35) diameter grind pivot (34) diameter.
6. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: the feed mechanism comprises a horizontal control box (40), a horizontal lead screw (42), a horizontal sliding table (43), a vertical control box (44) and a reinforcing rib (48), wherein the horizontal control box (40) is fixedly arranged on the upper side of the fixed upright post (12), the horizontal lead screw (42) is arranged in the horizontal control box (40), the outer side of the horizontal control box (40) is fixedly provided with a first motor (41) for driving the horizontal lead screw (42) to rotate, the horizontal sliding table (43) is slidably arranged in the horizontal control box (40), the horizontal lead screw (42) is in threaded connection with the horizontal sliding table (43), the vertical control box (44) is fixedly arranged on the outer side of the horizontal sliding table (43), a second motor (45) is fixedly arranged on the outer side of the vertical control box (44), and the power of the second motor (45) extends into the vertical control box (44) and is connected with a vertical lead screw (46), vertical slip table (47) has slidable mounting in vertical control box (44), vertical lead screw (46) with threaded connection between vertical slip table (47), strengthening rib (48) be used for with grinding apparatus (49) fixed mounting in on vertical slip table (47).
7. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: guide roller adjustment mechanism locates including fixed guide roller regulating box (50) of bottom plate (11) downside slides, sliding connection has regulation base (53) in guide roller regulating box (50), it has accommodate lead screw (52) to adjust base (53) inboard threaded connection, guide roller regulating box (50) outside fixed mounting has and is used for the drive accommodate lead screw (52) pivoted third motor (51), bottom plate (11) fixed mounting slides in adjust base (53) upside, bottom plate (11) up end slides with downside terminal surface is the coplanar in stationary mast (12), two it is located same height and is located to grind deflector roll (35) push rod motor (24) downside.
8. The flexible continuous bearing convexity roller grinding and polishing device according to claim 1, characterized in that: the workpiece material is bearing steel, silicon nitride and zirconia, grind deflector roll (35) material and be carburization quenching steel, grind deflector roll (35) surface with the frictional force between the workpiece surface is greater than the workpiece with the frictional force between grinding apparatus (49).
9. A flexible continuous production bearing convexity roller grinding and polishing method is characterized by comprising the following steps.
S1, in the feeding process, a plurality of workpieces are placed in a feed inlet (23) storage tank, a push rod motor (24) controls a push rod (25) to push the workpieces down from a drop opening (26), one workpiece is conveyed to one end of a grinding guide roller (35) and falls into a push plate groove (21), the position of the workpiece falling between two grinding guide rollers (35) is limited by the inner side of the push plate groove (21), the distance between the two grinding guide rollers (35) is adjusted according to the diameter of the outer circle of the workpiece through a guide roller adjusting mechanism of a bottom plate, the included angle of the cross section of the position where the axis of the workpiece and the two grinding guide rollers (35) abut against each other is 120 degrees, and the bottom surface of a grinding tool removes materials from the outer circle of the workpiece through adjusting a feed mechanism;
s2, in the machining process, the grinding guide rollers (35) rotate in the same direction and at the same speed, so that the workpiece is driven to rotate, the first motor (13) controls the push plate (20) to drive the workpiece to move along the axial direction of the grinding guide rollers (35), and the specific direction is that the workpiece moves from one end of the grinding guide roller (35) close to the feeding hole to one end of the grinding guide roller (35) close to the material collecting box (27); when the rotating and translating workpiece passes through the grinding tool (49), the workpiece is in contact with the grinding tool (49), the bottom surface of the grinding tool (49) removes materials from the excircle of the workpiece, the workpiece is made to reciprocate and move at variable speed through numerical control programming, and when the positions of two sides of the workpiece, which are close to the end surfaces, are in contact with the grinding tool (49), the translation speed of the workpiece is low, so that more materials at two ends of the workpiece are removed; when the middle section of the workpiece is in contact with the grinding tool (49), the translation speed of the workpiece is high, so that the material removal of the middle section of the workpiece is low, and the generatrix of the workpiece is in a convexity shape;
and S3, after the workpiece leaves the grinding tool area, the workpiece keeps rotating and translating, when the workpiece moves to a position beyond the grinding guide roller (35), the workpiece freely falls from between the two grinding rotating shafts (34), the inclined bottom wall of the push plate groove (21) enables the workpiece to freely fall to the side close to the material receiving box (27), the workpiece is received by the material receiving box (27), and then the push plate returns to the initial position and runs in a circulating mode along with the falling of a new workpiece.
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| CN202210472150.7A CN114800079B (en) | 2022-04-29 | 2022-04-29 | Bearing convexity roller grinding and polishing method for flexible continuous production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444793A (en) * | 2023-12-25 | 2024-01-26 | 常州云帆轴承有限公司 | Intelligent processing platform suitable for oil pump bearing production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109202689A (en) * | 2018-09-19 | 2019-01-15 | 中钢集团新型材料（浙江）有限公司 | One kind being used for high-precision smooth surface cylindrical graphite sample process equipment |
| CN110270898A (en) * | 2019-06-18 | 2019-09-24 | 绍兴文理学院 | A kind of flexible superfinishing Polishing machining device and method of convex roller outer circle |
| CN215700256U (en) * | 2021-08-23 | 2022-02-01 | 涿州市金晟顺通新材料科技有限公司 | Prevent safe type centerless grinding equipment that hand hindered |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202689A (en) * | 2018-09-19 | 2019-01-15 | 中钢集团新型材料（浙江）有限公司 | One kind being used for high-precision smooth surface cylindrical graphite sample process equipment |
| CN110270898A (en) * | 2019-06-18 | 2019-09-24 | 绍兴文理学院 | A kind of flexible superfinishing Polishing machining device and method of convex roller outer circle |
| CN215700256U (en) * | 2021-08-23 | 2022-02-01 | 涿州市金晟顺通新材料科技有限公司 | Prevent safe type centerless grinding equipment that hand hindered |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117444793A (en) * | 2023-12-25 | 2024-01-26 | 常州云帆轴承有限公司 | Intelligent processing platform suitable for oil pump bearing production |
| CN117444793B (en) * | 2023-12-25 | 2024-03-05 | 常州云帆轴承有限公司 | Intelligent processing platform suitable for oil pump bearing production |
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