CN112440206A - Positioning device for producing miniature bearing inner ring and positioning method thereof - Google Patents

Positioning device for producing miniature bearing inner ring and positioning method thereof Download PDF

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Publication number
CN112440206A
CN112440206A CN202011240200.6A CN202011240200A CN112440206A CN 112440206 A CN112440206 A CN 112440206A CN 202011240200 A CN202011240200 A CN 202011240200A CN 112440206 A CN112440206 A CN 112440206A
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CN
China
Prior art keywords
groove
sides
back pressure
inner ring
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011240200.6A
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Chinese (zh)
Inventor
田立修
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Jieshou Dengtian Hardware Products Co ltd
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Jieshou Dengtian Hardware Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jieshou Dengtian Hardware Products Co ltd filed Critical Jieshou Dengtian Hardware Products Co ltd
Priority to CN202011240200.6A priority Critical patent/CN112440206A/en
Publication of CN112440206A publication Critical patent/CN112440206A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/061Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor

Abstract

The invention relates to the technical field of bearing processing, in particular to a positioning device for producing a miniature bearing inner ring and a positioning method thereof. The clamping plate, the threaded sleeve, the screw rod, the back pressure spring and the back pressure plate are arranged, so that the bearing inner ring can be clamped secondarily, the positioning of the bearing inner ring is more effective, meanwhile, the arc shape of the clamping plate can enable the clamping effect of the device to be better, the bearing is enabled to be less prone to deviation in positioning, and the quality of the inner ring produced by the device is indirectly improved.

Description

Positioning device for producing miniature bearing inner ring and positioning method thereof
Technical Field
The invention relates to the technical field of bearing processing, in particular to a positioning device for producing a miniature bearing inner ring and a positioning method thereof.
Background
The Bearing (Bearing) is an important part in the modern mechanical equipment. The main function of the device is to support the mechanical rotator, reduce the friction coefficient (friction coefficient) in the movement process of the mechanical rotator and ensure the rotation precision (accuracy), the bearing industry in China is rapidly developed, the bearing varieties are gradually increased, the product quality and the technical level are gradually increased, the industry scale is gradually increased, and a professional production system with complete product door types and reasonable production layout is formed.
With the continuous improvement of the human science and technology level, the production and manufacturing processes of the bearing are better and better, and the positioning methods for the bearing are more and more, but a bidirectional clamping method is adopted when part of the bearing is positioned at present, so that certain deviation of the bearing in the process of processing stress can be caused, and the positioning effect of the bearing is defective, so that the positioning device for producing the inner ring of the miniature bearing and the positioning method thereof need to be designed.
Disclosure of Invention
The invention aims to provide a positioning device for producing a miniature bearing inner ring and a positioning method thereof, which are used for solving the problem that the positioning effect of a bearing is defective due to certain deviation possibly caused by the fact that a bearing is stressed in machining because a bidirectional clamping method is adopted when part of the bearing is positioned in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning device and a method for producing a miniature bearing inner ring are provided, wherein the device body comprises a processing table body, supporting legs are arranged on two sides of the bottom end of the processing table body, clamping box bodies are fixedly arranged on two sides of the top end of the processing table body, thread grooves are fixedly arranged on one sides, close to each other, of the two clamping box bodies, lead screws are sleeved on the inner walls of the two thread grooves through bearings, thread sleeves are sleeved on one sides of the two lead screws, clamping plates are sleeved on one sides, far away from each other, of the two thread sleeves through bearings, the clamping sides of the clamping plates are in a micro-arc shape, a mounting seat is fixedly arranged on the top end of the processing table body on the inner side of the two clamping plates, a movable sleeve is arranged at one end of the mounting seat, reverse pressure sleeves are fixedly arranged on two sides of the movable sleeve, and a reverse pressure groove is arranged on one side, based on the, two all fixed mounting has a set of back pressure spring on the inner wall in back pressure groove, and the quantity of every back pressure spring of group is two, and is two sets of one side that back pressure spring kept away from each other all fixed mounting has the back pressure board, the one end of grip block is equipped with adjustment mechanism, two the one end of grip block all is equipped with stop gear.
Preferably, two all seted up the spout on the processing platform body of grip block one end, two all slidable mounting has the sliding block in the spout, and the one end of sliding block is connected on the grip block, two all cup jointed lubricated pulley through the pivot on the dead slot inner wall that sliding block one end was seted up.
Preferably, two sets of all fixed mounting have the stabilizing sleeve on the back pressure inslot wall of back pressure spring inner, two stabilizing sleeve one side of keeping away from each other has all seted up the stabilizing groove, two the stabilizer bar has all been inserted in the stabilizing groove, and one side of stabilizer bar is connected on the back pressure board.
Preferably, two first gear has all been cup jointed on the lead screw, the both sides of processing platform body bottom are fixed mounting all has fixed cover, and the one end of fixed cover is connected on the supporting leg, two the connecting rod has all been inserted in the through-hole that fixed cover was inside was seted up, two the second gear has all been cup jointed on the connecting rod, and second gear and first gear intermeshing, two second bevel gear, two have all been cup jointed to one side that the connecting rod is close to each other the linkage groove has been seted up to the inboard processing platform body bottom of second bevel gear, the gangbar has been cup jointed through the bearing on the inner wall of linkage groove, first bevel gear has been cup jointed on the gangbar, and lead screw and two second bevel gear intermeshing, the one end of gangbar is equipped with the handle, the one end of handle is equipped with the mechanism of taking off.
Preferably, adjustment mechanism includes the adjustment tank, the adjustment tank has been seted up to movable sleeve's inside, the mounting groove has been seted up to the one end of mount pad, insert in the adjustment tank and adjust the pole, and the one end of adjusting the pole is connected on the inner wall of mounting groove, a set of card and groove have all been seted up to the both sides of adjusting the pole, and the quantity in every group card and groove is two, and is two sets of all fixed mounting has the spring ball on the inner wall in card and groove, a set of arc wall has all been seted up to the both sides of adjustment tank inner wall, and the quantity in every group arc wall is two, the all fixed mounting in movable sleeve's both ends has the magnet piece, fixed mounting has the iron sheet on the mounting groove inner.
Preferably, the limiting mechanism comprises a limiting groove, the limiting groove is formed in one end of the clamping plate, a limiting rod is inserted into the limiting groove, one end of the limiting rod extends out of the limiting groove, a balancing weight is fixedly mounted at one end of the limiting rod, a rolling groove is formed in one end, away from the balancing weight, of the limiting rod, and a rolling shaft is sleeved on the inner wall of the rolling groove through a rotating shaft.
Preferably, the unlocking mechanism comprises a limiting plate, the limiting plate is connected to the handle, the locking mechanism comprises a mounting bar and a linkage rod, the mounting bar is fixedly mounted at one end of the fixing sleeve, the one end of the linkage rod extends through a through groove formed in the mounting bar, a connecting block is fixedly mounted at two sides of one end of the mounting bar, a moving groove and a moving block are formed in one side, close to each other, of the connecting block, the moving block is inserted into the moving groove, the moving block is sleeved on the limiting plate, a square groove is formed in one end of the linkage rod, and a limiting block is fixedly mounted on the limiting plate at one end of.
Preferably, in the first step, the device is placed at a proper position, and then the inner ring of the bearing is taken up and sleeved on the movable sleeve to perform first limiting;
secondly, after the first limiting is finished, pushing the handle by hand to drive the moving block to be in the moving groove and rotating the handle, so that the clamping plate can be matched with the micro-arc shape on one side of the clamping plate to clamp the bearing inner ring;
and thirdly, when the other end of the movable sleeve is polished, the movable sleeve is taken up, turned over and installed back to the original position.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with grip block, thread bush, lead screw, back pressure spring and back pressure board, just so can carry out the secondary centre gripping to the bearing inner circle, let the location of bearing inner circle more effective, the arc of grip block can make the centre gripping effect of this device better simultaneously, and then is difficult to take place the skew when making the bearing location more, has indirectly improved the inner circle quality of this device production.
2. Through being provided with fixed cover, connecting rod, linkage groove, first bevel gear, second gear and first gear, let the grip block of this device like this when removing, can carry out synchronous removal to let the centre gripping effect of this device more accurate, reduced staff's operating procedure simultaneously.
3. Through being provided with stop gear, can carry on spacingly to the height of bearing inner race like this to reduce the vertical migration that the bearing inner race takes place when processing, thereby further promoted the stability of this device.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic sectional front view of the adjusting mechanism of the present invention;
FIG. 4 is a schematic sectional view of the limiting mechanism of the present invention;
FIG. 5 is a schematic sectional front view of the structure of the unlocking mechanism of the present invention;
fig. 6 is a schematic top sectional view of a stopper structure according to the present invention.
In the figure: 1. a device body; 110. a processing table body; 111. a clamping box body; 112. a thread groove; 113. a screw rod; 114. a clamping plate; 115. a movable sleeve; 116. supporting legs; 117. a back pressure sleeve; 118. a counter-pressure tank; 119. a back pressure spring; 120. a counter-pressure plate; 121. a mounting seat; 122. a stabilizing sleeve; 123. a stabilizing slot; 124. a stabilizer bar; 125. a chute; 126. a slider; 127. lubricating the pulley; 128. a first gear; 129. a second gear; 130. fixing a sleeve; 131. a connecting rod; 132. a linkage groove; 133. a first bevel gear; 134. a second bevel gear; 135. a linkage rod; 136. a handle; 137. a threaded sleeve; 2. an adjustment mechanism; 210. an adjustment groove; 211. adjusting a rod; 212. a card and a slot; 213. a spring ball; 214. an arc-shaped slot; 215. mounting grooves; 216. iron sheets; 217. a magnet sheet; 3. a limiting mechanism; 310. a limiting groove; 311. a limiting rod; 312. a balancing weight; 313. a rolling groove; 314. a roll axis; 4. a lock releasing mechanism; 410. mounting a bar; 411. connecting blocks; 412. a moving groove; 413. a moving block; 414. a limiting plate; 415. a limiting block; 416. a square groove.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown:
a positioning device for producing a miniature bearing inner ring and a positioning method thereof comprise a device body 1, wherein the device body 1 comprises a processing table body 110, supporting legs 116 are arranged on two sides of the bottom end of the processing table body 110, clamping box bodies 111 are fixedly arranged on two sides of the top end of the processing table body 110, thread grooves 112 are fixedly arranged on one sides, close to each other, of the two clamping box bodies 111, lead screws 113 are sleeved on the inner walls of the two thread grooves 112 through bearings, thread sleeves 137 are sleeved on one sides of the two lead screws 113, clamping plates 114 are sleeved on one sides, far away from each other, of the two thread sleeves 137 through bearings, the clamping sides of the clamping plates 114 are in a micro-arc shape, a mounting seat 121 is fixedly arranged on the top end of the processing table body 110 inside the two clamping plates 114, a movable sleeve 115 is arranged at one end of the mounting seat 121, counter pressure sleeves 117 are fixedly arranged on two sides of the movable sleeve 115, and counter pressure grooves 118 are arranged on one sides, all fixed mounting has a set of back pressure spring 119 on the inner wall of two back pressure grooves 118, and the quantity of every group back pressure spring 119 is two, the equal fixed mounting in one side that two sets of back pressure springs 119 kept away from each other has back pressure plate 120, the one end of grip block 114 is equipped with adjustment mechanism 2, the one end of two grip blocks 114 all is equipped with stop gear 3, just so can carry out the secondary centre gripping to the bearing inner circle, let the location of bearing inner circle more effective, the arc of grip block 114 can make the clamping effect of this device better simultaneously, and then be difficult to take place the skew when making the bearing location, the inner circle quality of this device production has been improved indirectly.
Furthermore, the processing table body 110 at one end of each of the two clamping plates 114 is provided with a sliding groove 125, the two sliding grooves 125 are provided with sliding blocks 126, one end of each sliding block 126 is connected to the clamping plate 114, and the inner walls of the hollow grooves formed at one end of each sliding block 126 are sleeved with lubricating pulleys 127 through rotating shafts, so that the clamping plates 114 are better in stability and guidance during movement.
Further, all fixed mounting has stabilizing sleeve 122 on the inner back pressure groove 118 inner wall of two sets of back pressure spring 119, and stabilizing sleeve 123 has all been seted up to one side that two stabilizing sleeve 122 kept away from each other, has all inserted stabilizer bar 124 in two stabilizing groove 123, and one side of stabilizer bar 124 is connected on back pressure plate 120, can make back pressure plate 120's centre gripping effect better like this, is difficult to take place the skew more.
Further, the two lead screws 113 are respectively sleeved with a first gear 128, the two sides of the bottom end of the machining table body 110 are respectively and fixedly provided with a fixing sleeve 130, one end of each fixing sleeve 130 is connected to the supporting leg 116, the through holes formed in the two fixing sleeves 130 are respectively inserted with a connecting rod 131, the two connecting rods 131 are respectively sleeved with a second gear 129, the second gears 129 and the first gears 128 are meshed with each other, one sides of the two connecting rods 131 close to each other are respectively sleeved with a second bevel gear 134, the bottom end of the machining table body 110 on the inner sides of the two second bevel gears 134 is provided with a linkage groove 132, the inner wall of the linkage groove 132 is sleeved with a linkage rod 135 through a bearing, the linkage rod 135 is sleeved with a first bevel gear 133, the lead screws 113 and the two second bevel gears 134 are meshed with each other, one end of the linkage rod 135 is provided with a handle 136, one end of the handle 136 is provided with a lock release, can carry out synchronous removal to let the centre gripping effect of this device more accurate, reduced staff's operating procedure simultaneously.
Further, adjustment mechanism 2 includes adjustment tank 210, adjustment tank 210 has been seted up to movable sleeve 115's inside, mounting groove 215 has been seted up to the one end of mount pad 121, it adjusts pole 211 to have been inserted in adjustment tank 210, and the one end of adjusting pole 211 is connected on the inner wall of mounting groove 215, a set of card and groove 212 have all been seted up to the both sides of adjusting pole 211, and the quantity of every group card and groove 212 is two, all fixed mounting has spring ball 213 on the inner wall of two sets of cards and groove 212, a set of arc 214 has all been seted up to the both sides of adjustment tank 210 inner wall, and the quantity of every group arc 214 is two, movable sleeve 115's both ends all fixed mounting has magnet piece 217, fixed mounting has iron sheet 216 on the mounting groove 215 inner wall in the regulation pole 211 outside, the upset work of bearing inner circle is carried.
Further, stop gear 3 includes spacing groove 310, spacing groove 310 has been seted up to the one end of grip block 114, gag lever post 311 has been inserted in spacing groove 310, and outside gag lever post 311's one end extended spacing groove 310, the one end fixed mounting of gag lever post 311 has balancing weight 312, rolling groove 313 has been seted up to the one end that balancing weight 312 was kept away from to gag lever post 311, it has rolling shaft 314 to cup joint through the pivot on the inner wall of rolling groove 313, can be spacing like this to the height of bearing inner race, thereby reduce the vertical removal that the bearing inner race takes place when processing, thereby further promoted the stability of this device.
Further, the unlocking mechanism 4 includes a limiting plate 414, the limiting plate 414 is connected on the handle 136, one end fixed mounting of two fixed sleeves 130 has a mounting bar 410, and one end of the linkage rod 135 extends through the through groove opened on the mounting bar 410, the both sides of the one end of the mounting bar 410 have a connecting block 411, the moving groove 412 has been all opened to one side that two connecting blocks 411 are close to each other, the moving block 413 has all been inserted in two moving grooves 412, and the moving block 413 is cup jointed on the limiting plate 414, the square groove 416 has been opened to one end of the linkage rod 135, the limiting plate 414 of the one end of the square groove 416 has a limiting block 415, the stop position of the clamping plate 114 is more stable, so that the safety and the stability of the device are further improved.
Further, in the first step, the device is placed at a proper position, and then the inner ring of the bearing is taken up and sleeved on the movable sleeve 115 to perform first limiting;
secondly, after the first limiting is completed, the handle 136 is pushed by hand to drive the moving block 413 to be in the moving groove 412 and rotate the handle 136, so that the clamping plate 114 can be matched with the micro-arc shape on one side of the clamping plate to clamp the bearing inner ring;
and thirdly, when the other end of the movable sleeve is polished, the movable sleeve 115 is taken up, turned over and installed back to the original position.
The working principle is as follows: when a worker uses the device, the device is placed at a proper position, then the inner ring of the bearing is taken up and sleeved on the movable sleeve 115, in the process of sleeving, the inner surface of the inner ring of the bearing can be extruded to the back pressure plate 120, the back pressure plate 120 can be compressed to the back pressure spring 119 after being extruded, so that the back pressure spring 119 is extruded to deform, meanwhile, the elastic potential energy of the back pressure spring 119 can generate a reaction force on the inner ring of the bearing due to the compression of the back pressure spring 119, then, the two back pressure plates 120 are used for continuously applying opposite action forces on the inner ring of the bearing to perform first limiting, when the back pressure plate 120 moves, the stabilizing rod 124 can gradually move into the stabilizing groove 123, after the first limiting is completed, the handle 136 is pushed by hand, the upward movement of the handle 136 can drive the limiting plate 414 to move, and finally, the limiting block 415 can be inserted into the square groove 416, the two are limited, meanwhile, the moving block 413 is driven to move in the moving groove 412 in the moving process of the limiting plate 414, after the handle 136 and the linkage rod 135 are limited, the handle 136 is rotated, the linkage rod 135 is driven to rotate by the handle 136, the first bevel gear 133 is driven to rotate by the rotation of the linkage rod 135, the two second bevel gears 134 are driven to rotate by the rotation of the first bevel gear 133, the connecting rod 131 is driven to rotate by the rotation of the second bevel gear 134, namely, the second gear 129 is driven to rotate, meanwhile, the first gear 128 is driven to rotate by the second gear 129, namely, the lead screw 113 is driven to rotate, the lead screw 113 can enable the threaded sleeve 137 to move in the horizontal direction under the effect of the threads of the threaded sleeve 137, then the threaded sleeve 137 can drive the clamping plate 114 to move, and meanwhile, when the clamping plate 114 moves, the clamping plate 114 can clamp the inner ring of the bearing by matching with the micro-arc shape on one side of the, will drive the lubricated pulley 127 to move in the concrete chute 125, and change the length that the stop lever 311 inserts in the spacing groove 310, thus let the stop lever 311 carry on the high limit to the bearing inner race needing to be processed, and the weight of the balancing weight 312 will make one end of the stop lever 311 press on the bearing inner race and make the rolling shaft 314 paste the top end of the bearing inner race, can process the bearing inner race after the centre gripping is positioned, when needing to carry on the bearing inner race to transfer, can take out the stop lever 311 from the spacing groove 310, later pull up the movable sleeve 115 from adjusting lever 211, at this moment the magnet slice 217 will remove the absorption of the iron sheet 216, and the arc-shaped groove 214 will remove and limit with the spring ball 213 sequentially, insert on the adjusting lever 211 again after turning over the movable sleeve 115 later, at this moment the spring ball 213 will squeeze the spring ball 213 into the arc-shaped groove 214 again because of the release of the elastic potential energy of the spring, and another magnet piece 217 is adsorbed on the iron piece 216, so that the movable sleeve 115 and the mounting seat 121 are further limited, the inner ring of the bearing can be rotated, and meanwhile, after the linkage rod 135 is used, the handle 136 falls down again due to the weight, so that the position of the clamping plate 114 is not changed easily.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a positioner is used in production of miniature bearing inner race, includes device body (1), its characterized in that: the device body (1) comprises a processing table body (110), supporting legs (116) are arranged on two sides of the bottom end of the processing table body (110), clamping box bodies (111) are fixedly arranged on two sides of the top end of the processing table body (110), thread grooves (112) are fixedly arranged on one sides, close to each other, of the two clamping box bodies (111), lead screws (113) are sleeved on the inner walls of the two thread grooves (112) through bearings, thread sleeves (137) are sleeved on one sides of the two lead screws (113), clamping plates (114) are sleeved on one sides, far away from each other, of the two thread sleeves (137), the shapes of the clamping sides of the clamping plates (114) are micro-arc-shaped, mounting seats (121) are fixedly arranged on the top ends of the processing table bodies (110) on the inner sides of the two clamping plates (114), and movable sleeves (115) are arranged at one ends of the mounting seats (121), the both sides of activity sleeve (115) are all fixed mounting have back pressure cover (117), two back pressure groove (118) have all been seted up to one side of the mutual principle of back pressure cover (117), two all fixed mounting has a set of back pressure spring (119) on the inner wall of back pressure groove (118), and the quantity of every back pressure spring (119) of group is two, and is two sets of one side that back pressure spring (119) kept away from each other is all fixed mounting have back pressure plate (120), the one end of grip block (114) is equipped with adjustment mechanism (2), two the one end of grip block (114) all is equipped with stop gear (3).
2. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 1, wherein: two processing platform body (110) of grip block (114) one end is gone up and has all been seted up spout (125), two all slidable mounting has sliding block (126) in spout (125), and the one end of sliding block (126) is connected on grip block (114), two all cup jointed lubricated pulley (127) through the pivot on the dead slot inner wall that sliding block (126) one end was seted up.
3. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 1, wherein: two sets of all fixed mounting have stabilizing sleeve (122) on back pressure groove (118) inner wall of back pressure spring (119), two stabilizing sleeve (122) one side of keeping away from each other has all seted up stabilizing groove (123), two stabilizing rod (124) have all been inserted in stabilizing groove (123), and one side of stabilizing rod (124) is connected on back pressure plate (120).
4. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 1, wherein: two first gears (128) are sleeved on the screw rod (113), two fixed sleeves (130) are fixedly mounted on two sides of the bottom end of the machining table body (110), one end of each fixed sleeve (130) is connected to the supporting leg (116), two connecting rods (131) are inserted into through holes formed in the inner portion of each fixed sleeve (130), two second gears (129) are sleeved on the connecting rods (131), the second gears (129) are meshed with the first gears (128) mutually, two second bevel gears (134) are sleeved on one sides, close to each other, of the connecting rods (131), two linkage grooves (132) are formed in the bottom end of the machining table body (110) on the inner side of each second bevel gear (134), linkage rods (135) are sleeved on the inner wall of each linkage groove (132) through bearings, first bevel gears (133) are sleeved on the linkage rods (135), and the screw rod (113) and the two second bevel gears (134) are meshed mutually, one end of the linkage rod (135) is provided with a handle (136), and one end of the handle (136) is provided with a lock releasing mechanism (4).
5. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 1, wherein: the adjusting mechanism (2) comprises an adjusting groove (210), the inner part of the movable sleeve (115) is provided with the adjusting groove (210), one end of the mounting seat (121) is provided with a mounting groove (215), an adjusting rod (211) is inserted into the adjusting groove (210), one end of the adjusting rod (211) is connected on the inner wall of the mounting groove (215), both sides of the adjusting rod (211) are provided with a group of clamping and grooves (212), and the number of each group of the cards and the grooves (212) is two, the inner walls of the two groups of the cards and the grooves (212) are fixedly provided with spring balls (213), both sides of the inner wall of the adjusting groove (210) are provided with a group of arc-shaped grooves (214), and the number of each group of arc-shaped grooves (214) is two, the two ends of the movable sleeve (115) are fixedly provided with magnet sheets (217), and an iron sheet (216) is fixedly arranged on the inner wall of the mounting groove (215) at the outer side of the adjusting rod (211).
6. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 1, wherein: stop gear (3) include spacing groove (310), spacing groove (310) have been seted up to the one end of grip block (114), gag lever post (311) have been inserted in spacing groove (310), and outside the one end of gag lever post (311) extended spacing groove (310), the one end fixed mounting of gag lever post (311) has balancing weight (312), rolling groove (313) have been seted up to the one end that balancing weight (312) were kept away from in gag lever post (311), it has roll axle (314) to cup joint through the pivot on the inner wall of rolling groove (313).
7. The positioning device for producing the inner ring of the miniature bearing as claimed in claim 4, wherein: the unlocking mechanism (4) comprises a limiting plate (414), the limiting plate (414) is connected to the handle (136), two mounting strips (410) are fixedly mounted at one end of the fixed sleeve (130), a through groove formed in the mounting strips (410) is extended through one end of the linkage rod (135), connecting blocks (411) are fixedly mounted on two sides of one end of each mounting strip (410), two moving grooves (412) are formed in one sides, close to the connecting blocks (411), of the connecting blocks (411), two moving blocks (413) are inserted into the moving grooves (412), the moving blocks (413) are sleeved on the limiting plate (414), square grooves (416) are formed in one end of the linkage rod (135), and limiting blocks (415) are fixedly mounted on the limiting plate (414) at one end of the square grooves (416).
8. The positioning method for producing the inner race of the micro bearing according to any one of claims 1 to 7, wherein:
firstly, placing the device at a proper position, then taking up an inner ring of a bearing and sleeving the inner ring on a movable sleeve (115) for first limiting;
secondly, after the first limiting is completed, the handle (136) is pushed by a hand to drive the moving block (413) to be in the moving groove (412) and rotate the handle (136), so that the clamping plate (114) can be matched with the micro-arc shape on one side of the clamping plate to clamp the bearing inner ring;
and thirdly, when the other end of the movable sleeve is polished, the movable sleeve (115) is taken up, turned over and installed back to the original position.
CN202011240200.6A 2020-11-09 2020-11-09 Positioning device for producing miniature bearing inner ring and positioning method thereof Pending CN112440206A (en)

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Application Number Priority Date Filing Date Title
CN202011240200.6A CN112440206A (en) 2020-11-09 2020-11-09 Positioning device for producing miniature bearing inner ring and positioning method thereof

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Application Number Priority Date Filing Date Title
CN202011240200.6A CN112440206A (en) 2020-11-09 2020-11-09 Positioning device for producing miniature bearing inner ring and positioning method thereof

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CN112440206A true CN112440206A (en) 2021-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113369932A (en) * 2021-06-25 2021-09-10 温州潭兴精密机械有限公司 Rotary table tooling clamp

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CN207788333U (en) * 2018-01-18 2018-08-31 诸暨市维亚机械有限公司 A kind of bearing shell drilling processing fixing device
CN208614282U (en) * 2018-07-03 2019-03-19 鞍山市台安县支重轮制造有限公司 A kind of Boring Machine Tool equipment in chain processing hole
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