CN113927416A - Bearing outer ring double-groove one-time grinding process and equipment - Google Patents
Bearing outer ring double-groove one-time grinding process and equipment Download PDFInfo
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- CN113927416A CN113927416A CN202111345177.1A CN202111345177A CN113927416A CN 113927416 A CN113927416 A CN 113927416A CN 202111345177 A CN202111345177 A CN 202111345177A CN 113927416 A CN113927416 A CN 113927416A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 229910003460 diamond Inorganic materials 0.000 claims description 11
- 239000010432 diamond Substances 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 229910001651 emery Inorganic materials 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 9
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Abstract
The invention discloses a bearing outer ring double-groove one-time grinding process and equipment, belonging to the technical field of bearing processing, wherein the current double-groove grinding process for a bearing outer ring has the following defects: because of two channel position asymmetries, readjustment equipment after can only having ground a channel earlier, process another channel, lead to the machining efficiency low and can't guarantee the relative precision between two slots, this scheme includes the frame, the one end top installation fixed plate of frame, install the chuck on the fixed plate, the frame is removed in the other end top installation of frame, the joint removes the seat between the inner wall of removal frame, remove seat and frame and remove the inter-frame installation tool feed subassembly, remove seat installation grinding motor, grinding motor's output shaft runs through and removes seat and installation double grinding wheel mechanism, fixed mounting gallows in the frame between fixed plate and removal seat, the gallows is installed on the gallows. The two grinding wheel discs are trimmed before grinding, the distance is ensured to meet the requirement of the distance between the double grooves, the machining efficiency is improved through one-time grinding, and the machining precision is ensured.
Description
Technical Field
The invention relates to the technical field of bearing processing, in particular to a bearing outer ring double-groove one-time grinding process and equipment.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduces the coefficient of friction (friction coefficient) in its motion process to guarantee its gyration precision, wherein the bearing inner race inner wall of double flute bearing is equipped with the slot of two rolling elements, exists following not enoughly in the present double flute abrasive machining to the bearing inner race:
1. because the positions of the two channels are asymmetric, the equipment can be readjusted after one channel is ground, and the other channel is machined, so that the machining efficiency is low;
2. the two grooves are respectively processed, so that the relative precision between the two grooves cannot be ensured, and the product quality cannot be ensured;
therefore, a bearing outer ring double-groove one-time grinding process and equipment are provided for solving the problems.
Disclosure of Invention
The invention aims to provide a bearing outer ring double-groove one-time grinding process and equipment to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: grinding equipment once of bearing inner race double flute, which comprises a frame, the one end top fixed mounting fixed plate of frame, install the chuck on the fixed plate, the frame is removed in the installation of the other end top of frame, the seat is removed in the slip joint between the inner wall of removal frame, remove seat and frame and remove the frame and install cutter feeding assembly, the one end fixed mounting grinding motor of fixed plate is kept away from to the removal seat, grinding motor's output shaft runs through and removes seat and installation double-wheel mechanism, fixed mounting gallows in the frame between fixed plate and removal seat, install the trimmer on the gallows.
An embodiment of preferred, the chuck includes the fixed disk, the fixed disk laminating is close to the one side that removes the frame at the fixed plate, one side fixed mounting motor that removes the frame is kept away from to the fixed plate, and the output shaft of motor runs through fixed plate and fixed connection fixed disk, fixed disk internal rotation joint carousel, the fixed disk is kept away from one side of fixed plate and is opened there are a plurality of spouts, sliding joint splint in the spout, installation matched with plane screw thread between the terminal surface of splint and carousel, the carousel is close to the one end fixed mounting awl fluted disc of fixed plate, the circumference outer wall rotation joint knob of fixed disk, fixed mounting bevel gear on the knob, bevel gear meshing awl fluted disc.
In a preferred embodiment, one end of the clamping plate close to the rotating disc and the sliding groove are of a matched T-shaped structure, and the outer wall of the clamping plate is of a step-shaped structure.
Preferably, the feed assembly includes a forward slot, the top surface of the frame is provided with a forward slot, the bottom of the movable frame is fixedly provided with a forward slider, the forward slider is slidably clamped with the forward slot, the forward slot is rotatably sleeved with a forward lead screw, the forward slider is sleeved with the forward lead screw through a threaded structure, one end of the forward lead screw penetrates through the frame and is fixedly connected with a forward motor, inner walls of two sides of the movable frame are both provided with a lifting slot, the lifting lead screw is rotatably sleeved in the lifting slot, outer walls of two sides of the movable base are both fixedly provided with lifting sliders, the lifting lead screw is in threaded connection with the lifting lead screw, the top of the movable frame is rotatably sleeved with a rotating shaft, a matched bevel gear set is installed between the rotating shaft and the lifting lead screw, and one end of the rotating shaft penetrates through the movable frame and is fixedly connected with the lifting motor.
In a preferred embodiment, the advancing groove and the advancing slider are of a matched T-shaped structure, and the specifications of the two lifting screw rods are the same.
An embodiment of preferred, two grinding wheel mechanisms are including the grinding axle, the one end fixed connection grinding motor's of grinding axle output shaft, two sliding sleeve are cup jointed in the epaxial slip of grinding, the grinding wheel dish is cup jointed to the fixed cover in the sliding sleeve, it has the guide way to open in the grinding axle, stud is cup jointed to the guide way internal rotation, stud is last to cup joint two nut covers, two through helicitic texture equal fixed mounting connecting block is sheathe in to the nut, the connecting block runs through the grinding axle and two sliding sleeve of fixed connection respectively, stud keeps away from grinding motor's one end and grinding interaxial installation operating device.
In a preferred embodiment, the two ends of the stud bolt and the threads between the two nut sleeves have opposite screw directions and the same screw pitch, and the outer circumferential wall of the grinding shaft is provided with a graduated scale.
An embodiment of preferred, operating device includes slot and operation panel, the operation panel slides and cup joints the one end at stud, it has the spacing groove to open in the operation panel, stud's terminal surface fixed mounting stopper, stopper slip joint spacing groove, the stopper is close to the one end of grinding axle with the spacing groove and is installed the spring, it has the slot to open on the grinding axle, operation panel joint slot, and the outer wall of operation panel and the inner wall of slot install matched with locking tooth.
In an embodiment of the present invention, the trimmer includes a fixing rod, the fixing rod is fixedly connected to the hanger, the bottom of the fixing rod is fixedly installed with an installation rod, the installation rod is sleeved with a diamond pen in a sliding manner, the bottom of the installation rod is sleeved with a locking bolt through a threaded structure, and the end face of the locking bolt is tightly pressed on the outer wall of the diamond pen.
The bearing outer ring double-groove one-time grinding process comprises the following steps:
s1, centering and holding the bearing outer ring: the bearing outer ring is sleeved on the outer sides of the clamping plates, the knob is rotated and drives the rotary table to rotate through the bevel gear and the bevel gear disc, the rotary table synchronously drives the clamping plates to move through the plane threads, and the clamping plates are synchronously far away along the sliding grooves, so that the inner wall of the bearing outer ring is clamped and fixed in a self-centering manner;
s2, dressing by using a grinding wheel: the operation disc is pulled to be pulled out of the slot, the stop teeth are separated, the double-end stud is driven to rotate through the operation disc and the limiting block at the moment, so that the two nut sleeves are far away from each other, the distance between the grinding wheel discs is increased, the advancing lead screw and the advancing slider drive the moving frame to move, the rotating shaft drives the lifting lead screw to rotate through the bevel gear set, the moving seat is driven to lift, the grinding wheel discs are in contact with the diamond pen, and the grinding motor drives the grinding shaft to rotate, so that the diamond pen can repair the grinding wheel discs;
s3, positioning of the grinding wheel: the double-end stud is driven to rotate through the operating disc again, so that the distance between the two grinding wheel discs is adjusted to meet the double-groove distance, then the operating disc is loosened, the operating disc is clamped into the slot through the elastic force of the spring, and the stop teeth are meshed, so that the position of the grinding wheel discs is fixed;
s4, grinding: the advancing lead screw and the advancing slider drive the moving frame to move, the rotating shaft drives the lifting lead screw to rotate through the bevel gear set, so that the moving seat is driven to lift, two grinding wheels stretch into and contact with double grooves in the inner wall of the outer ring of the bearing, the grinding motor drives the grinding wheels to rotate, and the motor on the fixed plate drives the chuck to rotate, so that the purpose of synchronous grinding of the double grooves is achieved.
The invention has the beneficial effects that:
1. the bearing outer ring is sleeved on the outer sides of the clamping plates, the knob is rotated and drives the rotary table to rotate through the bevel gears and the bevel gear disc, the rotary table synchronously drives the clamping plates to move through the plane threads, and the clamping plates are synchronously far away along the sliding grooves, so that the inner wall of the bearing outer ring is clamped and fixed in a self-centering manner, and the coaxiality of the grooves during grinding is ensured;
2. the double-end stud is driven to rotate through the operation disc, so that the distance between the two grinding wheel discs is adjusted to meet the distance between the two grooves, then the operation disc is loosened, the operation disc is clamped into the slot through the elastic force of the spring, the stop teeth are meshed, the position of the grinding wheel discs is ensured to be fixed, the forward lead screw and the forward slider drive the movable frame to move, the rotating shaft drives the lifting lead screw to rotate through the bevel gear set, so that the movable seat is driven to lift, the two grinding wheel discs extend into and contact with the two grooves in the inner wall of the outer ring of the bearing, the grinding motor drives the grinding wheel discs to rotate, the motor on the fixed plate drives the chuck to rotate, the purpose of synchronous grinding of the two grooves is achieved, the two grinding wheel discs are trimmed before grinding, the distance is ensured to meet the requirement of the distance between the two grooves, the machining efficiency is improved through one-step grinding, and the machining precision is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a bearing outer ring double-groove primary grinding device provided by an embodiment of the invention.
FIG. 2 is a schematic view of the structure of the feed assembly of the present invention.
FIG. 3 is a schematic view of the chuck structure of the present invention.
FIG. 4 is a schematic view of the structure of the double-grinding wheel mechanism of the present invention.
FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention.
Fig. 6 is a schematic structural diagram of a trimmer according to the present invention.
In the figure: 1. a frame; 2. a fixing plate; 3. moving the frame; 4. a movable seat; 5. grinding the motor; 6. a feed assembly; 61. an advancing groove; 62. a forward lead screw; 63. a forward slide block; 64. a forward motor; 65. a lifting groove; 66. a lifting slide block; 67. lifting a screw rod; 68. a rotating shaft; 69. a lifting motor; 7. a double-grinding wheel mechanism; 71. grinding the shaft; 72. a sliding sleeve; 73. a grinding wheel disc; 74. a guide groove; 75. a stud; 76. a nut sleeve; 77. connecting blocks; 78. an operating mechanism; 781. a slot; 782. an operation panel; 783. a limiting groove; 784. a limiting block; 785. a spring; 786. a stop tooth; 8. a chuck; 81. fixing the disc; 82. a turntable; 83. a chute; 84. a splint; 85. a planar thread; 86. a knob; 87. a bevel gear; 88. a conical fluted disc; 9. a finisher; 91. fixing the rod; 92. mounting a rod; 93. a diamond pen; 10. a hanger frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b): as shown in fig. 1 to 6, the invention provides a bearing outer ring double-groove primary grinding device, which comprises a frame 1, wherein a fixed plate 2 is fixedly installed at the top of one end of the frame 1, a chuck 8 is installed on the fixed plate 2, a movable frame 3 is installed at the top of the other end of the frame 1, a movable seat 4 is slidably clamped between the inner walls of the movable frame 3, a cutter feeding assembly 6 is installed between the movable seat 4 and the frame 1 and the movable frame 3, a grinding motor 5 is fixedly installed at one end, far away from the fixed plate 2, of the movable seat 4, an output shaft of the grinding motor 5 penetrates through the movable seat 4 and is provided with a double-grinding wheel mechanism 7, a hanger 10 is fixedly installed on the frame 1 between the fixed plate 2 and the movable seat 4, and a dresser 9 is installed on the hanger 10.
Further, chuck 8 includes fixed disk 81, the laminating of fixed disk 81 is close to the one side that removes frame 3 at fixed plate 2, fixed plate 2 keeps away from the one side fixed mounting motor that removes frame 3, and the output shaft of motor runs through fixed plate 2 and fixed connection fixed disk 81, rotation joint carousel 82 in fixed disk 81, open on one side that fixed disk 81 kept away from fixed plate 2 has a plurality of spouts 83, slide joint splint 84 in the spout 83, splint 84 and carousel 82's the terminal surface is between installation matched with plane screw 85, carousel 82 is close to the one end fixed mounting awl fluted disc 88 of fixed plate 2, the circumference outer wall of fixed disk 81 rotates joint knob 86, fixed mounting bevel gear 87 on the knob 86, bevel gear 87 meshes awl fluted disc 88.
Further, one end of the clamping plate 84 close to the rotating disc 82 and the sliding groove 83 are of a matched T-shaped structure, and the outer wall of the clamping plate 84 is of a step-shaped structure.
Further, the feed assembly 6 includes a forward slot 61, the forward slot 61 is opened on the top surface of the frame 1, a forward slider 63 is fixedly installed at the bottom of the movable frame 3, the forward slider 63 is slidably clamped with the forward slot 61, a forward lead screw 62 is rotatably sleeved in the forward slot 61, the forward lead screw 62 is sleeved on the forward slider 63 through a threaded structure, one end of the forward lead screw 62 penetrates through the frame 1 and is fixedly connected with a forward motor 64, lifting slots 65 are formed in inner walls of two sides of the movable frame 3, a lifting lead screw 67 is rotatably sleeved in the lifting slots 65, lifting sliders 66 are fixedly installed on outer walls of two sides of the movable base 4, the lifting lead screw 66 is in threaded connection with a lifting lead screw 67, a rotating shaft 68 is rotatably sleeved at the top of the movable frame 3, a matched bevel gear set is installed between the rotating shaft 68 and the lifting lead screw 67, and one end of the rotating shaft 68 penetrates through the movable frame 3 and is fixedly connected with the lifting motor 69.
Furthermore, the advancing groove 61 and the advancing slider 63 are of a matched T-shaped structure, and the specifications of the two lifting screws 67 are the same.
Further, the double-grinding-wheel mechanism 7 comprises a grinding shaft 71, one end of the grinding shaft 71 is fixedly connected with an output shaft of the grinding motor 5, two sliding sleeves 72 are slidably sleeved on the grinding shaft 71, a grinding wheel disc 73 is fixedly sleeved on the sliding sleeves 72, a guide groove 74 is formed in the grinding shaft 71, a stud 75 is rotatably sleeved in the guide groove 74, two nut sleeves 76 are sleeved on the stud 75 through a threaded structure, connecting blocks 77 are fixedly installed on the two nut sleeves 76, the connecting blocks 77 penetrate through the grinding shaft 71 and are respectively and fixedly connected with the two sliding sleeves 72, and an operating mechanism 78 is installed between one end of the stud 75, which is far away from the grinding motor 5, and the grinding shaft 71.
Further, the thread directions of the two ends of the stud bolt 75 and the two nut sleeves 76 are opposite, the thread pitches are the same, and a graduated scale is arranged on the circumferential outer wall of the grinding shaft 71.
Further, the operating mechanism 78 includes a slot 781 and an operating panel 782, the operating panel 782 is slidably sleeved at one end of the stud 75, a limiting groove 783 is formed in the operating panel 782, a limiting block 784 is fixedly mounted on an end face of the stud 75, the limiting block 784 is slidably clamped in the limiting groove 783, a spring 785 is mounted at one end of the limiting block 784 and one end of the limiting groove 783 close to the grinding shaft 71, the slot 781 is formed in the grinding shaft 71, the operating panel 782 is clamped in the slot 781, and a matched stop tooth 786 is mounted on an outer wall of the operating panel 782 and an inner wall of the slot 781.
Further, trimmer 9 includes dead lever 91, dead lever 91 fixed connection gallows 10, and the bottom fixed mounting installation pole 92 of dead lever 91 slides on installation pole 92 and cup joints buddha's warrior attendant pen 93, and the locking bolt is cup jointed through helicitic texture in the bottom of installation pole 92, and the terminal surface of locking bolt closely presses on the outer wall of buddha's warrior attendant pen 93.
The bearing outer ring double-groove one-time grinding process comprises the following steps:
s1, centering and holding the bearing outer ring: sleeving the bearing outer ring on the outer sides of the plurality of clamping plates 84, rotating a knob 86, driving a rotating disc 82 to rotate by the knob 86 through a bevel gear 87 and a bevel gear disc 88, synchronously driving the plurality of clamping plates 84 to move by the rotating disc 82 through a plane thread 85, and synchronously keeping the clamping plates 84 away from the sliding groove 83, so that the inner wall of the bearing outer ring is clamped and fixed in a self-centering manner;
s2, dressing by using a grinding wheel: the operation disc 782 is pulled to enable the operation disc 782 to be pulled out of the slot 781, the stop teeth 786 are separated, the operation disc 782 and the limiting block 784 drive the stud 75 to rotate, so that the two nut sleeves 76 are far away from each other, the distance between the grinding wheel discs 73 is increased, the advancing screw 62 and the advancing slider 63 drive the moving frame 3 to move, the rotating shaft 68 drives the lifting screw 67 to rotate through the bevel gear set, the moving seat 4 is driven to lift, the grinding wheel discs 73 are enabled to be in contact with the diamond pens 93, the grinding motor 5 drives the grinding shaft 71 to rotate, and the diamond pens 93 are enabled to finish the grinding wheel discs 73;
s3, positioning of the grinding wheel: the operation panel 782 is used for driving the stud bolt 75 to rotate, so that the distance between the two grinding wheel discs 73 is adjusted to meet the double-groove distance, then the operation panel 782 is loosened, the operation panel 782 is clamped into the slot 781 through the elastic force of the spring 785, and the stop teeth 786 are meshed, so that the position of the grinding wheel discs 73 is fixed;
s4, grinding: the advancing screw 62 and the advancing slider 63 drive the moving frame 3 to move, the rotating shaft 68 drives the lifting screw 67 to rotate through the bevel gear set, so as to drive the moving seat 4 to lift, so that the two grinding wheel disks 73 extend into and contact with the double grooves on the inner wall of the bearing outer ring, the grinding motor 5 drives the grinding wheel disks 73 to rotate, and the motor on the fixed plate 2 drives the chuck 8 to rotate, so that the purpose of synchronous grinding of the double grooves is realized.
When the self-centering grinding wheel disc trimming device is used, the outer ring of the bearing is sleeved on the outer sides of the clamping plates 84, the knob 86 is rotated, the knob 86 drives the rotary disc 82 to rotate through the bevel gear 87 and the bevel gear disc 88, the rotary disc 82 synchronously drives the clamping plates 84 to move through the plane threads 85, the clamping plates 84 synchronously move away along the sliding grooves 83, so that the inner wall of the outer ring of the bearing is self-centering clamped and fixed, the operation disc 782 is pulled out of the slot 781, the stop teeth 786 are separated, the stud 75 is driven to rotate through the operation disc 782 and the limiting blocks 784, so that the two nut sleeves 76 are far away, the distance between the grinding wheel discs 73 is increased, the advancing lead screw 62 and the advancing slider 63 drive the moving frame 3 to move, the rotating shaft 68 drives the lifting lead screw 67 to rotate through the bevel gear group, so as to drive the moving seat 4 to lift, the grinding wheel discs 73 to contact with the diamond pens 93, the grinding motor 5 drives the grinding shaft 71 to rotate, so that the diamond pens 93 trim the grinding wheels 73, the stud 75 is driven to rotate by the operation panel 782 again, so that the distance between the two grinding wheels 73 is adjusted to meet the distance between the double grooves, then, the operating plate 782 is released, the elastic force of the spring 785 makes the operating plate 782 caught in the insertion groove 781, the stopping teeth 786 are engaged, thereby ensuring that the position of the grinding wheel disk 73 is fixed, the advancing screw 62 and the advancing slider 63 drive the moving frame 3 to move, the rotating shaft 68 drives the lifting screw 67 to rotate through the bevel gear set, thereby driving the movable seat 4 to lift and lower, so that the two grinding wheel disks 73 extend into and contact with the double grooves on the inner wall of the bearing outer ring, the grinding motor 5 drives the grinding wheel disks 73 to rotate, the motor on the fixed plate 2 drives the chuck 8 to rotate, therefore, the purpose of double-groove synchronous grinding is achieved, the two grinding wheels 73 are trimmed before grinding, the distance is ensured to meet the requirement of the distance between the double grooves, the machining efficiency is improved through one-time grinding, and the machining precision is ensured.
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 (10)
1. Grinding equipment once of bearing inner race double flute includes frame (1), its characterized in that: the one end top fixed mounting fixed plate (2) of frame (1), install chuck (8) on fixed plate (2), frame (3) is removed in the installation of the other end top of frame (1), slide joint removes seat (4) between the inner wall of removing frame (3), remove seat (4) and frame (1) and remove and install cutter unit spare (6) between frame (3), remove one end fixed mounting grinding motor (5) that fixed plate (2) were kept away from in seat (4), the output shaft of grinding motor (5) runs through and removes seat (4) and install double-grinding wheel mechanism (7), fixed mounting gallows (10) on frame (1) between fixed plate (2) and removal seat (4), install trimmer (9) on gallows (10).
2. The bearing outer race double groove primary grinding apparatus as set forth in claim 1, wherein: chuck (8) include fixed disk (81), fixed disk (81) laminating is close to the one side that removes frame (3) at fixed plate (2), one side fixed mounting motor that removes frame (3) is kept away from in fixed plate (2), and the output shaft of motor runs through fixed plate (2) and fixed connection fixed disk (81), fixed disk (81) internal rotation joint carousel (82), open the one side that fixed plate (2) were kept away from in fixed disk (81) has a plurality of spouts (83), slide joint splint (84) in spout (83), installation matched with plane screw thread (85) between the terminal surface of splint (84) and carousel (82), carousel (82) are close to one end fixed mounting awl fluted disc (88) of fixed plate (2), the circumference outer wall rotation joint knob (86) of fixed disk (81), fixed mounting bevel gear (87) on knob (86), the bevel gear (87) engages a bevel gear disc (88).
3. The bearing outer race double groove primary grinding apparatus as set forth in claim 2, wherein: one end of the clamping plate (84) close to the rotary disc (82) and the sliding groove (83) are of T-shaped structures matched with each other, and the outer wall of the clamping plate (84) is of a step-shaped structure.
4. The bearing outer race double groove primary grinding apparatus as set forth in claim 1, wherein: the feed assembly (6) comprises a forward groove (61), the top surface of the rack (1) is provided with the forward groove (61), the bottom of the movable frame (3) is fixedly provided with a forward sliding block (63), the forward sliding block (63) is slidably clamped with the forward groove (61), a forward lead screw (62) is rotatably sleeved in the forward groove (61), the forward lead screw (62) is sleeved in the forward sliding block (63) through a threaded structure, one end of the forward lead screw (62) penetrates through the rack (1) and is fixedly connected with a forward motor (64), the inner walls of two sides of the movable frame (3) are provided with lifting grooves (65), the lifting lead screw (67) is rotatably sleeved in the lifting grooves (65), the outer walls of two sides of the movable base (4) are fixedly provided with lifting sliding blocks (66), the lifting sliding blocks (66) are in threaded connection with the lifting lead screw (67), the top of the movable frame (3) is rotatably sleeved with a rotating shaft (68), installation matched with bevel gear group between pivot (68) and elevating screw (67), the one end of pivot (68) is run through and is removed frame (3) and fixed connection elevator motor (69).
5. The bearing outer race double groove primary grinding apparatus as set forth in claim 4, wherein: the advancing groove (61) and the advancing slider (63) are of T-shaped structures matched with each other, and the specifications of the two lifting screw rods (67) are the same.
6. The bearing outer race double groove primary grinding apparatus as set forth in claim 1, wherein: two grinding wheel mechanisms (7) are including grinding axle (71), the output shaft of the one end fixed connection grinding motor (5) of grinding axle (71), it cup joints two sliding sleeves (72) to slide on grinding axle (71), fixed cup joint emery wheel dish (73) on sliding sleeve (72), it has guide way (74) to open in grinding axle (71), double-end stud (75) are cup jointed in guide way (74) internal rotation, cup joint two nut covers (76), two through the helicitic texture on double-end stud (75) equal fixed mounting connecting block (77) on nut cover (76), connecting block (77) run through grinding axle (71) and two sliding sleeves (72) of fixed connection respectively, installation operating device (78) between one end and grinding axle (71) of grinding motor (5) are kept away from to double-end stud (75).
7. The bearing outer race double groove primary grinding apparatus as set forth in claim 6, wherein: the thread directions of the two ends of the stud (75) and the two nut sleeves (76) are opposite, the thread pitches are the same, and a graduated scale is arranged on the circumferential outer wall of the grinding shaft (71).
8. The bearing outer race double groove primary grinding apparatus as set forth in claim 6, wherein: operating device (78) are including slot (781) and operation panel (782), operation panel (782) slip cup joint the one end at stud (75), division spacing groove (783) have been seted up in operation panel (782), terminal surface fixed mounting stopper (784) of stud (75), stopper (784) slip joint spacing groove (783), spring (785) are installed to stopper (784) and spacing groove (783) one end that is close to grinding axle (71), it has slot (781) to open on grinding axle (71), operation panel (782) joint slot (781), and matched with locking tooth (786) are installed to the outer wall of operation panel (782) and the inner wall of slot (781).
9. The bearing outer race double groove primary grinding apparatus as set forth in claim 1, wherein: trimmer (9) are including dead lever (91), dead lever (91) fixed connection gallows (10), bottom fixed mounting installation pole (92) of dead lever (91), sliding sleeve connects buddha's warrior attendant pen (93) on installation pole (92), the bottom of installation pole (92) cup joints the locking bolt through helicitic texture, and the terminal surface of locking bolt closely presses on the outer wall of buddha's warrior attendant pen (93).
10. The bearing outer ring double-groove one-time grinding process is characterized by comprising the following steps of:
s1, centering and holding the bearing outer ring: the bearing outer ring is sleeved on the outer sides of the clamping plates (84), a knob (86) is rotated, the knob (86) drives a rotating disc (82) to rotate through a bevel gear (87) and a bevel gear disc (88), the rotating disc (82) synchronously drives the clamping plates (84) to move through a plane thread (85), and the clamping plates (84) are synchronously far away along a sliding groove (83), so that the inner wall of the bearing outer ring is clamped and fixed in a self-centering manner;
s2, dressing by using a grinding wheel: the operation disc (782) is pulled, so that the operation disc (782) is pulled out of the slot (781), the stop teeth (786) are separated, the stud (75) is driven to rotate by the operation disc (782) and the limiting block (784) at the moment, so that the two nut sleeves (76) are far away from each other, the distance between the grinding wheel discs (73) is increased, the advancing screw (62) and the advancing slider (63) drive the moving frame (3) to move, the rotating shaft (68) drives the lifting screw (67) to rotate through the bevel gear set, so that the moving seat (4) is driven to lift, the grinding wheel discs (73) are in contact with the diamond pens (93), the grinding motor (5) drives the grinding shaft (71) to rotate, and the diamond pens (93) trim the grinding wheel discs (73);
s3, positioning of the grinding wheel: the double-end stud (75) is driven to rotate through the operation disc (782) again, so that the distance between the two grinding wheel discs (73) is adjusted to meet the double-groove distance, then the operation disc (782) is loosened, the operation disc (782) is clamped into the slot (781) through the elastic force of the spring (785), and the stop teeth (786) are meshed, so that the position of the grinding wheel discs (73) is fixed;
s4, grinding: the advancing lead screw (62) and the advancing slide block (63) drive the moving frame (3) to move, the rotating shaft (68) drives the lifting lead screw (67) to rotate through the bevel gear set, so that the moving seat (4) is driven to lift, two grinding wheel discs (73) stretch into and contact with double grooves in the inner wall of the outer ring of the bearing, the grinding motor (5) drives the grinding wheel discs (73) to rotate, and the motor on the fixing plate (2) drives the chuck (8) to rotate, so that the purpose of double-groove synchronous grinding is achieved.
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| CN202111345177.1A CN113927416A (en) | 2021-11-15 | 2021-11-15 | Bearing outer ring double-groove one-time grinding process and equipment |
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| CN202111345177.1A CN113927416A (en) | 2021-11-15 | 2021-11-15 | Bearing outer ring double-groove one-time grinding process and equipment |
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| CN114800081A (en) * | 2022-03-09 | 2022-07-29 | 郑州科技学院 | Dynamic detection device for cylindrical grinding |
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Application publication date: 20220114 |
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