CN115157027A - Inner and outer polishing device for bearing outer ring - Google Patents
Inner and outer polishing device for bearing outer ring Download PDFInfo
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- CN115157027A CN115157027A CN202210669430.7A CN202210669430A CN115157027A CN 115157027 A CN115157027 A CN 115157027A CN 202210669430 A CN202210669430 A CN 202210669430A CN 115157027 A CN115157027 A CN 115157027A
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- axis
- ring
- push rod
- grinding
- bearing
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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
- B24B5/12—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 cylindrical surfaces both externally and internally with several grinding wheels
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
- B24B49/165—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load for grinding tyres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention provides an inner and outer polishing device for a bearing outer ring, which comprises: a support; the inner circumference grinding mechanism is used for grinding the inner circumference surface of the bearing outer ring; periphery grinding machanism includes: the grinding wheel grinding device comprises a fixed plate, a second rotary plate and three outer grinding wheels, wherein the fixed plate is arranged on the upper surface of the fixed plate, the second rotary plate is rotatably supported on the fixed plate, the axis of the second rotary plate is collinear with the axis of the first rotary plate, the three outer grinding wheels are arranged on the second rotary plate and are arranged at equal angles relative to the rotation axis of the second rotary plate, the three outer grinding wheels can be synchronously close to or far away from the rotation axis of the second rotary plate so as to abut against the outer side of a bearing outer ring or be loosened, and the outer grinding wheels can rotate along with the second rotary plate. The polishing device can polish the inner side and the outer side of the bearing outer ring simultaneously.
Description
Technical Field
The invention relates to the field of bearing processing, in particular to an inner and outer polishing device for a bearing outer ring.
Background
The rolling bearing is generally composed of four parts, namely an outer ring, an inner ring, a rolling body and a retainer, according to the shape of the rolling body, the rolling bearing is divided into two categories, namely a ball bearing and a roller bearing, the grinding machine is a machine tool for grinding the surface of a workpiece by using a grinding tool, most grinding machines are used for grinding by using a grinding wheel rotating at a high speed, and the minority is used for processing by using other grinding tools such as oilstones, abrasive belts and free abrasives, such as a honing machine, an ultra-precision processing machine tool, an abrasive belt grinding machine, a polishing machine and the like. The existing grinding machine tool for the flange of the bearing outer ring can not effectively grind the inner wall and the outer wall of the outer ring simultaneously, and easily causes obstruction during grinding, influences grinding effect and grinding efficiency, is poor in fixing performance, easily generates displacement during grinding, influences the precision of the outer ring, and enables the outer ring to be incapable of meeting use requirements.
Disclosure of Invention
Based on this, it is necessary to provide an inner and outer grinding device for a bearing outer ring, aiming at the problems in the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides an inside and outside grinding device of bearing inner race, includes:
the support comprises a bottom plate and a top plate supported on the bottom plate through an upright post, a fixing plate is arranged on the upright post and between the bottom plate and the top plate, and a lifting plate is arranged on the upright post and between the fixing plate and the top plate in a sliding manner;
interior peripheral grinding machanism for polish to the interior peripheral surface of bearing inner race, include:
a lifting plate arranged on the lower surface of the lifting plate,
a first turntable rotatably suspended on a lifting tray, the lifting tray being coaxially arranged with the first turntable,
three inner grinding wheels which are arranged on the first rotary table and are arranged at equal angles relative to the rotary axis of the first rotary table, can synchronously approach or depart from the rotary axis of the first rotary table to abut against the inner side of the bearing outer ring or be loosened, and can rotate along with the first rotary table;
periphery grinding machanism includes:
a fixed disk arranged on the upper surface of the fixed plate,
a second turntable rotatably supported on the fixed disk, an axis of the second turntable being collinear with an axis of the first turntable,
and the three outer grinding wheels are arranged on the second turntable and are arranged at equal angles relative to the rotation axis of the second turntable, the three outer grinding wheels can synchronously approach or depart from the rotation axis of the second turntable so as to abut against the outer side of the bearing outer ring or be loosened, and the outer grinding wheels can rotate along with the second turntable.
Preferably, the inner periphery grinding mechanism further includes a first rotary drive mechanism for driving the first turntable to rotate, and the first rotary drive mechanism includes:
the rotating cylinder is rotatably arranged below the lifting disc, the rotating axis of the rotating cylinder is collinear with the rotating axis of the first rotating disc, the first rotating disc is arranged at the lower end of the rotating cylinder, and a circle of internal teeth are arranged on the inner side wall of the rotating cylinder;
the limiting cylinder is arranged on the lower surface of the lifting disc and sleeved on the rotating cylinder, and the rotating cylinder can rotate relative to the limiting cylinder;
the gear can rotate, is vertically arranged on the axis, is positioned in the rotating cylinder and is meshed with the internal teeth;
the first motor is arranged on the top plate, an output shaft of the first motor penetrates through the top plate downwards to be connected with the gear in a transmission mode, and the rotation of the rotating cylinder can be driven through the rotation of the first motor.
Preferably, the lower surface of lifter plate just corresponds the position department of a spacing section of thick bamboo and is provided with the round annular, the axis of annular with the axis collineation of a spacing section of thick bamboo, the upper end of a spacing section of thick bamboo is fixed in the annular spacing the position department of being close to the lower extreme inboard of a spacing section of thick bamboo is provided with the second ring edge of round, the position department of being close to the upper end outside of a rotating cylinder is provided with the first ring edge of round, the lower terminal surface on first ring edge can support and lean on the up end on the second ring edge, the upper end on first ring edge can insert the second ring edge and the annular in the clearance between the inner wall side, the up end of a rotating cylinder supports and leans on the lower surface of lifter plate.
Preferably, the inner circumference grinding mechanism further comprises a first radial driving mechanism for driving the three inner grinding wheels to move back and forth along the radial direction of the bearing outer ring to be ground so as to approach or separate from the bearing outer ring, the first radial driving mechanism comprises:
the first longitudinal sliding block can be hung on the first rotating disc in a vertically moving mode, a first inclined plane is formed on one side, close to the axis of the first rotating disc, of the upper surface of the first longitudinal sliding block, the first inclined plane gradually inclines downwards along the direction gradually close to the axis of the first rotating disc, a first sliding groove is formed in the first inclined plane, and the cross section of the first sliding groove is in a dovetail shape;
first horizontal slider hangs on the first carousel and relative first carousel can be along the bearing inner race round trip movement who treats polishing, the lower surface of first horizontal slider and the one side of keeping away from the axis of first carousel are formed with the second inclined plane, and the second inclined plane is along being close to gradually the height of the direction lower surface of the axis of bearing inner race reduces gradually be provided with first slide rail on the second inclined plane, first slide rail with first spout sliding fit, interior emery wheel sets up on first horizontal slider through first fixed axle and is located the below of first horizontal slider.
Preferably, the first radial drive mechanism further comprises:
the first electric push rod is arranged on the upper surface of the lifting disc, and a telescopic push rod of the first electric push rod penetrates through the lifting disc downwards;
the first push ring is arranged at the lower end of the telescopic push rod;
the first force sensor is sleeved on the telescopic push rod and positioned above the first push ring, and the lower end of the first force sensor is fixed with the first push ring;
the first movable sleeve is sleeved on the telescopic push rod and is positioned above the first force sensor;
one end of each first connecting rod is hinged with the first movable sleeve, the other end of each first connecting rod is hinged with the corresponding first longitudinal sliding block, the first movable sleeve can be driven to drive the first longitudinal sliding block to move up and down through the up-down stretching of the telescopic push rod of the first electric push rod, the first longitudinal sliding block can drive the first transverse sliding block to move horizontally by moving up and down, and the acting force of the inner grinding wheel on the outer ring of the bearing can be judged through the first force sensor.
Preferably, a first spring is sleeved on the telescopic push rod of the first electric push rod, the lower end of the first spring is fixed with the first force sensor, and the upper end of the first spring is fixed with the first movable sleeve; and/or a first limiting ring is arranged on the telescopic push rod of the first electric push rod and arranged above the first movable sleeve.
Preferably, the peripheral sharpening mechanism further comprises a second radial drive mechanism comprising:
the second transverse sliding blocks are arranged at equal angles relative to the axis of the second rotary disc and can be synchronously close to or far away from the axis of the second rotary disc, third inclined planes are formed on the lower surface of each second transverse sliding block and on one side far away from the axis of the second rotary disc, the third inclined planes gradually incline upwards along the direction far away from the axis of the second rotary disc, second inclined grooves are formed in the third inclined planes, the outer grinding wheels are arranged above the second transverse sliding blocks through second fixing shafts, and the arrangement mode of the second fixing shafts can be the same as that of the first fixing shafts;
the third longitudinal sliding blocks correspond to the third transverse sliding blocks one by one and can synchronously move up and down, a third inclined plane is formed on the upper surface of each second longitudinal sliding block and on one side close to the corresponding second rotary table, the third inclined plane gradually inclines downwards along the direction close to the axis of the corresponding second rotary table, the third inclined plane is matched with the fourth inclined plane, a second inclined rail is formed on the third inclined plane, and the second inclined rail can be slidably arranged in the second inclined groove.
Preferably, the second radial drive mechanism further comprises:
the second electric push rod is arranged on the fixed disc, and the telescopic push rod of the second electric push rod extends upwards;
the second push ring is fixed on the telescopic push rod;
the second movable sleeve is sleeved on the telescopic push rod in a manner of moving up and down;
one end of each second connecting rod is hinged to the corresponding second longitudinal sliding block, and the other end of each second connecting rod is hinged to the second movable sleeve;
and the second force sensor is sleeved on the telescopic push rod and positioned between the second movable sleeve and the second push ring and used for detecting the acting force of the second movable sleeve on the second movable sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. the inner grinding wheel and the outer grinding wheel which rotate reversely on the inner peripheral surface and the outer peripheral surface of the bearing outer ring along the circumferential direction, and the first force sensor and the second force sensor which can respectively detect the abutting force of the inner grinding wheel and the outer grinding wheel can effectively balance the stress of the inner peripheral surface and the outer peripheral surface of the bearing outer ring, so that the bearing outer ring is prevented from deforming during grinding;
2. according to the invention, the vertical strips are arranged on the top of the second turntable along the circumferential direction, and the support rod is obliquely arranged at the top ends of the vertical strips, so that the outer ring of the bearing can be prevented from being separated from the inner grinding wheel and the second turntable during grinding;
3. according to the invention, the first longitudinal sliding block is driven to move along the vertical direction by the first electric push rod, so that the inner grinding wheel arranged on the first transverse sliding block can be driven to abut against the inner periphery of the outer ring of the bearing along the radial direction, and the inner grinding wheel can stably grind the inner periphery of the outer ring of the bearing along the circumferential direction;
4. according to the invention, the fourth adjusting block is driven to move along the vertical direction by the second electric push rod, so that the outer grinding wheel arranged on the third sliding block can be driven to abut against the periphery of the outer ring of the bearing along the radial direction, and the outer grinding wheel can stably grind the periphery of the outer ring of the bearing along the circumferential direction.
Drawings
FIG. 1 is a perspective view of a grinding apparatus of the present invention;
FIG. 2 is a side view of the grinding apparatus of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view at section A-A of FIG. 2;
FIG. 4 is a perspective view of the outer grinding mechanism of the present invention;
FIG. 5 is a side view of the outer grinding mechanism of the present invention;
FIG. 6 is a cross-sectional view at section D-D of FIG. 5;
FIG. 7 is a perspective view of the internal grinding mechanism of the present invention;
FIG. 8 is a side view of the internal grinding mechanism of the present invention;
fig. 9 is a sectional view at section E-E of fig. 8.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 9, an inner and outer polishing device for a bearing outer ring comprises a support, and an inner circumference polishing mechanism and an outer circumference polishing mechanism which are arranged on the support, wherein the outer circumference polishing mechanism is used for polishing the outer circumference surface of the bearing outer ring, the inner circumference polishing mechanism is used for polishing the inner circumference surface of the bearing outer ring, and the inner circumference polishing mechanism is located right above the outer circumference polishing mechanism and can move up and down relative to the support.
The support includes bottom plate 1d, supports roof 1e on bottom plate 1d through stand 1f be provided with fixed plate 1g on the stand 1f and be located and be provided with between bottom plate 1d and the roof 1e stand 1f is last and be located and be provided with lifter plate 1h between fixed plate 1g and the roof 1e slidably, outer periphery grinding machanism sets up on fixed plate 1g, and interior periphery grinding machanism sets up on lifter plate 1 h. The lifting plate 1h can be driven by a motor 1c in combination with a screw rod.
Interior circumference grinding machanism includes:
a lifting plate 1b provided on the lower surface of the lifting plate 1 h;
the first rotating disc 2 is rotatably hung on the lifting disc 1b, and the lifting disc 1b is coaxially arranged with the first rotating disc 2;
and the three inner grinding wheels 5 are arranged on the first rotating disc 2 and are arranged at equal angles relative to the rotating axis of the first rotating disc 2, the three inner grinding wheels 5 can synchronously approach or depart from the rotating axis of the first rotating disc 2 to abut against the inner side of the bearing outer ring or loosen, and the inner grinding wheels 5 can rotate along with the first rotating disc 2 to grind the inner side of the bearing outer ring.
Periphery grinding machanism includes:
a fixed disk 1a disposed on the upper surface of the fixed plate 1 g;
a second turntable 6 rotatably supported on the fixed disk 1a, an axis of the second turntable 6 being collinear with an axis of the first turntable 2;
and three outer grinding wheels 9 arranged on the second rotary table 6 and arranged at equal angles relative to the rotation axis of the second rotary table 6, wherein the three outer grinding wheels 9 can synchronously approach or depart from the rotation axis of the second rotary table 6 to abut against or loosen the outer side of the bearing outer ring, and the outer grinding wheels 9 can rotate along with the second rotary table 6 to grind the outer side of the bearing outer ring.
The inner periphery grinding mechanism further comprises a first rotary driving mechanism 3, and the first rotary driving mechanism 3 is used for driving the first rotary disc 2 to rotate. The first rotary drive mechanism 3 includes:
a rotary drum 3a rotatably disposed below the elevating disk 1b, the rotary axis of the rotary drum 3a being collinear with the rotary axis of the first rotary disk 2, the first rotary disk 2 being disposed at the lower end of the rotary drum 3a, a ring of internal teeth 3a2 being disposed on the inner sidewall of the rotary drum 3 a;
the limiting cylinder 3b is arranged on the lower surface of the lifting disc 1b and sleeved on the rotating cylinder 3a, and the rotating cylinder 3a can rotate relative to the limiting cylinder 3 b;
the gear 3c is rotatable, is vertically arranged on the axis, is positioned in the rotating cylinder 3a and is meshed with the internal teeth 3a2;
the first motor 3d is arranged on the top plate 1e, an output shaft of the first motor penetrates through the top plate 1e downwards to be in transmission connection with the gear 3c, the rotation of the rotating cylinder 3a can be driven through the rotation of the first motor 3d, and then the inner grinding wheel 5 is driven to rotate around a bearing outer ring to be ground.
Further, the lower surface of the lifting disc 1b and the position corresponding to the limiting cylinder 3b are provided with a ring of ring grooves 1b1, the axis of the ring grooves 1b1 is collinear with the axis of the limiting cylinder 3b, and the upper end of the limiting cylinder 3b is fixed in the ring grooves 1b 1. The inboard position department of being close to the lower extreme of spacing section of thick bamboo 3b is provided with round second ring edge 3b1, the position department that is close to the upper end outside of a rotary drum 3a is provided with round first ring edge 3a1, first ring edge 3a 1's lower terminal surface can support and lean on the second ring edge 3b 1's up end, first ring edge 3a 1's upper end can insert in the second ring edge 3b1 and the interval between the inner wall side of annular 1b1, rotary drum 3 a's up end supports and leans on the lower surface of lifter plate 1b to the realization is fixed to the stability of rotary drum 3 a. When in use, lubricating oil can be smeared between the limiting cylinder 3b and the rotating cylinder 3 a. The limiting cylinder 3b can be arranged in the annular groove 1b1 in a threaded connection mode.
The inner periphery grinding mechanism further comprises a first radial driving mechanism 4 for driving the three inner grinding wheels 5 to move back and forth along the radial direction of the bearing outer ring to be ground so as to be close to or far away from the bearing outer ring. The first radial drive mechanism 4 comprises:
a first longitudinal slide block 4h suspended on the first rotary table 2 in a vertically movable manner, wherein a first inclined surface is formed on the upper surface of the first longitudinal slide block 4b on one side close to the axis of the first rotary table 2, the first inclined surface gradually inclines downwards along the direction gradually close to the axis of the first rotary table 2, a first sliding groove 4h1 is formed on the first inclined surface, and the cross section of the first sliding groove 4h1 is in a dovetail shape;
the first transverse sliding block 4g is hung on the first rotary table 2 and can move back and forth along the bearing outer ring 100 to be polished relative to the first rotary table 2, a second inclined plane is formed on one side, away from the axis of the first rotary table 2, of the lower surface of the first transverse sliding block 4g, the height of the lower surface of the second inclined plane is gradually reduced along the direction gradually close to the axis of the bearing outer ring, a first sliding rail 4g1 is arranged on the second inclined plane, the first sliding rail 4g1 is in sliding fit with the first sliding groove 4h1, and when the first longitudinal sliding block 4h slides up and down, the first transverse sliding block 4g can move back and forth along the horizontal direction, the inner grinding wheel 5 is arranged on the first transverse sliding block 4g through the first fixing shaft 4g2 and located below the first transverse sliding block 4g, the inner grinding wheel 5 can be arranged to be non-rotatable relative to the first transverse sliding block 4g during grinding, certainly, the inner grinding wheel 5 can also be arranged to be rotatable relative to the first transverse sliding block 4g, specifically, a pinion can be arranged at the upper end of the first fixing shaft 4g2, a non-rotatable fixed gear is arranged on the support and meshed with the fixed gear, when the first transverse sliding block 4g rotates along with the first rotary disc 2, the pinion can rotate relative to the fixed gear, the inner grinding wheel 5 can be further rotated, and the fixed gear can be also arranged to be controlled by a motor to facilitate control and achieve a better grinding effect.
Further, the first longitudinal sliding block 4h is slidably disposed on a first longitudinal guiding rod 4k, and the first longitudinal guiding rod 4k is vertically disposed on the lower surface of the first rotary table 2. The first transverse sliding block 4g is slidably arranged on a first transverse guide rod 4m, and the first transverse guide rod 4m is horizontally arranged on the lower surface of the first rotary table 2.
The first radial drive mechanism 4 further comprises:
the first electric push rod 4c is arranged on the upper surface of the lifting disc 1b, and a telescopic push rod of the first electric push rod downwards penetrates through the lifting disc 1b;
the first push ring 4e is arranged at the lower end of the telescopic push rod;
the first force sensor 4b is sleeved on the telescopic push rod and positioned above the first push ring 4e, and the lower end of the first force sensor is fixed with the first push ring 4 e;
the first movable sleeve 4f is sleeved on the telescopic push rod and is positioned above the first force sensor 4 b;
one end of each first connecting rod 4i is hinged to the corresponding first movable sleeve 4f, the other end of each first connecting rod is hinged to the corresponding first longitudinal sliding block 4h, the first movable sleeve 4f can be driven to drive the first longitudinal sliding block 4h to move up and down through vertical stretching of the telescopic push rod of the first electric push rod 4c, the first longitudinal sliding block 4h can drive the first transverse sliding block 4g to move horizontally through vertical moving, and the acting force of the inner grinding wheel 5 on the bearing outer ring 100 can be judged through the first force sensor 4 b.
Preferably, a first spring 4d is sleeved on a telescopic push rod of the first electric push rod 4c, the lower end of the first spring 4d is fixed with the first force sensor 4b, and the upper end of the first spring 4d is fixed with the first movable sleeve 4f, when the telescopic push rod extends downwards, the first push ring 4e pulls the first force sensor 4b to move downwards, the first force sensor 4b pulls the first movable sleeve 4f to move downwards through the first spring 4d, and the first spring 4d plays a certain buffering role.
Further, be provided with first spacing ring 4j on first electric putter 3 c's flexible push rod, first spacing ring 4j sets up in the top of first movable sleeve 4f, and when flexible push rod stretches out downwards, first spacing ring 4j can push first movable sleeve 4f removes downwards, can avoid pressure too big like this, causes the damage of spring.
Of course, in practical use, the inclination directions of the first and second inclined surfaces may be changed such that the inner grinding wheel 5 moves toward the inner race of the bearing when the telescopic rod of the first electric putter 3c is retracted upward.
The periphery polishing mechanism also comprises a second rotary driving mechanism 7, the second rotary driving mechanism 7 is arranged on the fixed disk 1a, the second rotary driving mechanism 7 has the same structure with the first rotary driving mechanism 3,
periphery grinding machanism still includes second radial actuating mechanism 8, second radial actuating mechanism 8 includes:
a second traverse slide 8g having three, equiangularly disposed with respect to the axis of the second rotary table 6, and being capable of being synchronously close to or away from the axis of the second rotary table 6, a third inclined surface being formed on a lower surface thereof on a side away from the axis of the second rotary table 6, the third inclined surface being gradually inclined upward in a direction away from the axis of the second rotary table 6, a second inclined groove 8h1 being formed on the third inclined surface, the outer grinding wheel 9 being disposed above the second traverse slide 8g by a second fixed shaft 8g2, and the second fixed shaft 8g2 being disposed in the same manner as the first fixed shaft 4g 2;
the second longitudinal sliding blocks 8h are three in number, correspond to the second transverse sliding blocks 8g one to one, can move up and down synchronously, form a fourth inclined plane on the upper surface of the second longitudinal sliding blocks and on one side close to the second rotating disc 6, the fourth inclined plane gradually inclines downwards along with the direction close to the axis of the second rotating disc 6, the fourth inclined plane is matched with the third inclined plane, a second inclined rail 8h1 is formed on the fourth inclined plane, the second inclined rail 8h1 is slidably arranged in the second inclined groove 8h1, and when the second longitudinal sliding blocks 8h move up and down, the second transverse sliding blocks 8g can be driven to move horizontally.
In particular, a second transversal guide 8m is provided on said second carousel 6 at a position corresponding to each second transversal slider 8g, said second transversal slider 8g being slidably arranged on the second transversal guide 8 m. A second longitudinal guide 8k is provided on the second rotary disk 6 at a position corresponding to each second longitudinal slide 8h, said second longitudinal slide 8h being provided on the second longitudinal guide 8k so as to be movable up and down.
The second radial drive mechanism 8 further comprises:
the second electric push rod 8c is arranged on the fixed disc 1a, and the telescopic push rod thereof extends upwards;
the second push ring 8e is fixed on the telescopic push rod;
the second movable sleeve 8f is sleeved on the telescopic push rod in a manner of moving up and down;
the number of the second connecting rods 8i is three, one end of each second connecting rod 8i is hinged to the corresponding second longitudinal sliding block 8h, the other end of each second connecting rod 8i is hinged to the second movable sleeve 8f, and when the second movable sleeve 8f is driven by the telescopic push rod to move, the second movable sleeve 8f can drive the second longitudinal sliding block 8h to move up and down so as to drive the second transverse sliding block 8g to horizontally slide;
and the second force sensor 8b is sleeved on the telescopic push rod and is positioned between the second movable sleeve 8f and the second push ring 8e, and is used for detecting the acting force of the second movable sleeve 8f on the second push ring.
Preferably, a second spring 8d is sleeved on the telescopic push rod of the second electric push rod 8c, and the second spring 8d is located on the second force sensor 8b and the second movable sleeve 8 f.
A second limit ring 8j is further arranged on the telescopic push rod of the second electric push rod 8c, and the second limit ring 8j is located on the opposite side of the second force sensor 8b relative to the second movable sleeve 8f, so that the second movable sleeve 8f can be prevented from being separated from the telescopic push rod of the second electric push rod 8c, and the second movable sleeve 8f can be pulled to separate the outer grinding wheel 9 from the bearing outer ring 100 when the telescopic push rod retracts.
Further, a bracket 6a is provided on the second turntable 6, the bracket 6a includes a plurality of vertical bars 6a1 and a support bar 6a2 provided at an upper end of the vertical bar 6a1, and the plurality of vertical bars 6a1 are disposed at equal angles with respect to an axis of the second turntable 6. The support rod 6a2 is obliquely arranged, the lower end of the support rod is closer to the axis of the second turntable 6 than the upper end of the support rod, and the bearing outer ring 100 to be polished is placed on the support rod 6a 2. Preferably, the lower end of the holder bar 6a2 may be provided to extend horizontally. The bracket 6a is not required, and the outer ring of the bearing can be directly placed at a preset position by a mechanical arm, and the mechanical arm is moved away after the inner grinding wheel and the outer grinding wheel are clamped.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (8)
1. The utility model provides an inside and outside grinding device of bearing inner race, includes:
the support comprises a bottom plate and a top plate supported on the bottom plate through an upright post, a fixing plate is arranged on the upright post and between the bottom plate and the top plate, and a lifting plate is slidably arranged on the upright post and between the fixing plate and the top plate;
interior peripheral grinding machanism for polish to the interior peripheral surface of bearing inner race, include:
a lifting disc arranged on the lower surface of the lifting plate,
a first turntable rotatably suspended on a lifting disk, the lifting disk being coaxially arranged with the first turntable,
three inner grinding wheels arranged on the first rotary table and arranged at equal angles relative to the rotation axis of the first rotary table, wherein the three inner grinding wheels can synchronously approach or depart from the rotation axis of the first rotary table to abut against the inner side of the bearing outer ring or loosen, and the inner grinding wheels can rotate along with the first rotary table;
periphery grinding machanism includes:
a fixed disk arranged on the upper surface of the fixed plate,
a second turntable rotatably supported on the fixed disk, an axis of the second turntable being collinear with an axis of the first turntable,
and the three outer grinding wheels are arranged on the second rotary table and are arranged at equal angles relative to the rotation axis of the second rotary table, and can synchronously approach or depart from the rotation axis of the second rotary table so as to abut against the outer side of the bearing outer ring or loosen, and the outer grinding wheels can rotate along with the second rotary table.
2. The inner and outer grinding device for the outer ring of the bearing of claim 1, wherein the inner periphery grinding mechanism further comprises a first rotary driving mechanism for driving the first turntable to rotate, the first rotary driving mechanism comprising:
the rotating cylinder is rotatably arranged below the lifting disc, the rotating axis of the rotating cylinder is collinear with the rotating axis of the first rotating disc, the first rotating disc is arranged at the lower end of the rotating cylinder, and a circle of internal teeth are arranged on the inner side wall of the rotating cylinder;
the limiting cylinder is arranged on the lower surface of the lifting disc and sleeved on the rotating cylinder, and the rotating cylinder can rotate relative to the limiting cylinder;
the gear can rotate, is vertically arranged on the axis, is positioned in the rotating cylinder and is meshed with the internal teeth;
the first motor is arranged on the top plate, an output shaft of the first motor penetrates through the top plate downwards to be connected with the gear in a transmission mode, and the rotation of the rotating cylinder can be driven through the rotation of the first motor.
3. The grinding device for inner and outer sides of a bearing outer ring according to claim 2, wherein a ring groove is formed in the lower surface of the lifting disc and at a position corresponding to the limiting cylinder, the axis of the ring groove is collinear with the axis of the limiting cylinder, the upper end of the limiting cylinder is fixed in the ring groove, a second ring edge is arranged at a position of the limiting cylinder close to the inner side of the lower end, a first ring edge is arranged at a position of the rotating cylinder close to the outer side of the upper end, the lower end face of the first ring edge can abut against the upper end face of the second ring edge, the upper end of the first ring edge can be inserted into a gap between the second ring edge and the inner wall side of the ring groove, and the upper end face of the rotating cylinder abuts against the lower surface of the lifting disc.
4. The inner and outer grinding device for a bearing outer ring according to claim 2, wherein the inner periphery grinding mechanism further comprises a first radial drive mechanism for driving the three inner grinding wheels to move back and forth in a radial direction of the bearing outer ring to be ground so as to approach or move away from the bearing outer ring, the first radial drive mechanism comprising:
the first longitudinal sliding block is suspended on the first rotating disc in a vertically movable mode, a first inclined surface is formed on one side, close to the axis of the first rotating disc, of the upper surface of the first longitudinal sliding block, the first inclined surface gradually inclines downwards along the direction gradually close to the axis of the first rotating disc, a first sliding groove is formed in the first inclined surface, and the cross section of the first sliding groove is in a dovetail shape;
first horizontal slider hangs on the first carousel and relative first carousel can be along the bearing inner race round trip movement who treats polishing, the lower surface of first horizontal slider and the one side of keeping away from the axis of first carousel are formed with the second inclined plane, and the second inclined plane is along being close to gradually the height of the direction lower surface of the axis of bearing inner race reduces gradually be provided with first slide rail on the second inclined plane, first slide rail with first spout sliding fit, interior emery wheel sets up on first horizontal slider through first fixed axle and is located the below of first horizontal slider.
5. The inner and outer grinding device for a bearing outer ring as claimed in claim 4, wherein said first radial drive mechanism further comprises:
the first electric push rod is arranged on the upper surface of the lifting disc, and the telescopic push rod of the first electric push rod downwards penetrates through the lifting disc;
the first push ring is arranged at the lower end of the telescopic push rod;
the first force sensor is sleeved on the telescopic push rod and positioned above the first push ring, and the lower end of the first force sensor is fixed with the first push ring;
the first movable sleeve is sleeved on the telescopic push rod and is positioned above the first force sensor;
one end of each first connecting rod is hinged to the corresponding first movable sleeve, the other end of each first connecting rod is hinged to the corresponding first longitudinal sliding block, the first movable sleeve can be driven to drive the first longitudinal sliding blocks to move up and down through the up-and-down stretching of the telescopic push rods of the first electric push rods, the first longitudinal sliding blocks can move up and down to drive the first transverse sliding blocks to move horizontally, and the acting force of the inner grinding wheel on the bearing outer ring can be judged through the first force sensor.
6. The inner and outer grinding device for the outer ring of the bearing of claim 5, wherein a first spring is sleeved on the telescopic push rod of the first electric push rod, the lower end of the first spring is fixed with the first force sensor, and the upper end of the first spring is fixed with the first movable sleeve; and/or a first limiting ring is arranged on the telescopic push rod of the first electric push rod and arranged above the first movable sleeve.
7. The inner and outer grinding device for a bearing outer race of claim 1, wherein said outer periphery grinding mechanism further comprises a second radial drive mechanism, said second radial drive mechanism comprising:
the second transverse sliding blocks are arranged at equal angles relative to the axis of the second rotary disc and can be synchronously close to or far away from the axis of the second rotary disc, third inclined planes are formed on the lower surface of the second transverse sliding blocks and on one side far away from the axis of the second rotary disc, the third inclined planes gradually incline upwards along the direction far away from the axis of the second rotary disc, second inclined grooves are formed in the third inclined planes, the outer grinding wheel is arranged above the second transverse sliding blocks through a second fixing shaft, and the arrangement mode of the second fixing shaft can be the same as that of the first fixing shaft;
the third longitudinal sliding blocks correspond to the third transverse sliding blocks one by one and can synchronously move up and down, a third inclined plane is formed on one side, close to the third rotary table, of the upper surface of each second longitudinal sliding block, the third inclined plane gradually inclines downwards along the direction close to the axis of the second rotary table, the third inclined plane is matched with the fourth inclined plane, a second inclined rail is formed on the third inclined plane, and the second inclined rail can be slidably arranged in the second inclined groove.
8. The inner and outer grinding device for a bearing outer race of claim 7, wherein said second radial drive mechanism further comprises:
the second electric push rod is arranged on the fixed disc, and the telescopic push rod of the second electric push rod extends upwards;
the second push ring is fixed on the telescopic push rod;
the second movable sleeve is sleeved on the telescopic push rod in a manner of moving up and down;
the number of the second connecting rods is three, one end of each second connecting rod is hinged to the corresponding second longitudinal sliding block, and the other end of each second connecting rod is hinged to the second movable sleeve;
and the second force sensor is sleeved on the telescopic push rod and positioned between the second movable sleeve and the second push ring and used for detecting the acting force of the second movable sleeve on the second push ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669430.7A CN115157027B (en) | 2022-06-14 | 2022-06-14 | Inside and outside grinding device of bearing outer lane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210669430.7A CN115157027B (en) | 2022-06-14 | 2022-06-14 | Inside and outside grinding device of bearing outer lane |
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| CN115157027A true CN115157027A (en) | 2022-10-11 |
| CN115157027B CN115157027B (en) | 2023-06-09 |
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| CN202210669430.7A Active CN115157027B (en) | 2022-06-14 | 2022-06-14 | Inside and outside grinding device of bearing outer lane |
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Cited By (1)
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| CN118143776A (en) * | 2024-05-09 | 2024-06-07 | 江苏东浦精细陶瓷科技股份有限公司 | Grinding device is used in ceramic bearing processing |
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| Publication number | Publication date |
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| CN115157027B (en) | 2023-06-09 |
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