CN117283056A - Central hole positioning device for gear machining and use method - Google Patents
Central hole positioning device for gear machining and use method Download PDFInfo
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- CN117283056A CN117283056A CN202311113737.XA CN202311113737A CN117283056A CN 117283056 A CN117283056 A CN 117283056A CN 202311113737 A CN202311113737 A CN 202311113737A CN 117283056 A CN117283056 A CN 117283056A
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- cylinder
- side wall
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- 238000003754 machining Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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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
Abstract
The invention relates to a center hole positioning device for gear machining and a use method thereof, the center hole positioning device comprises a workbench, a telescopic device is arranged on the workbench, the front end of a telescopic rod of the telescopic device is connected with a circular tube, the telescopic rod is provided with a sleeve, the sleeve is provided with a connecting plate, a plurality of rectangular through holes are formed in the sleeve, a circular ring is surrounded on the sleeve, a connecting rod is fixedly arranged on the circular ring, the connecting rod is connected with a spiral rod, a cylinder is arranged in the sleeve, two limiting blocks are arranged on the sleeve, two arc plates are arranged on the cylinder, a double-spiral track is formed in the outer side wall of the spiral rod, a plurality of movable rods are arranged on the sleeve, the movable rods and the rectangular through holes are arranged in a staggered manner, one end of each movable rod extends into the sleeve and is connected with a rotating wheel in parallel, the other end of each movable rod is connected with a top plate, a first spring is sleeved on the movable rod, one end of each first spring is fixedly connected with the sleeve, and the other end of each first spring is fixedly connected with the movable rod. The invention has the beneficial effects that the side walls of the inner rings of the gears with different specifications can be circumferentially compacted and fixed, and the gear finish machining treatment by workers is convenient.
Description
Technical Field
The invention relates to the technical field of gear machining, in particular to a center hole positioning device for gear machining.
Background
The gear is one of very important basic parts in the mechanical structure, and in the processing process of the gear, in order to keep the accuracy of the gear during processing, the central hole of the gear needs to be fixed, so that the central hole of the gear is always on the central line of a processed workpiece.
In the prior art, workers often fix the center of a gear through a positioning device, then machine the gear into a required gear shape through a cutter, but the existing positioning device is low in matching degree in use, cannot circumferentially compact the side wall of the inner ring of the gear with different specifications, can have the condition of shaking, and therefore the gear can possibly pop out in the middle in the machining process, and has a large potential safety hazard, and meanwhile, shaking in the machining process can also lead to inaccuracy of gear machining, so that basic materials are wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the gear machining center hole positioning device capable of circumferentially compacting and fixing the side walls of the inner rings of gears with different specifications, and facilitating the finish machining of the gears by workers and a use method.
The invention is realized by the following technical scheme, the invention provides a center hole positioning device for gear processing, which comprises a workbench, wherein a telescopic device is arranged on the workbench, the front end of a telescopic rod of the telescopic device is connected with a circular tube, one side of the telescopic rod, which is far away from the telescopic device, is provided with a sleeve, one end of the sleeve, which is far away from the telescopic device, is provided with a connecting plate fixedly connected with the workbench, the outer side wall of the sleeve is provided with a plurality of rectangular through holes at equal intervals along the circumferential direction, the rectangular through holes transversely extend along the length direction of the sleeve, a circular ring is surrounded on the sleeve, the inner ring side wall of the circular ring is fixedly provided with a connecting rod which extends towards the axis position of the sleeve and penetrates through the rectangular through holes, one end, which is far away from the circular ring, of the connecting rod is connected with a spiral rod, one side, which is positioned in the sleeve and is close to the telescopic device, of the circular ring is provided with a cylinder, the inner side wall of the sleeve is provided with two limiting blocks, the cylinder is positioned between the two limiting blocks and is attached to the cylinder, the inner side wall of the cylinder is provided with two arc plates along the circumferential equidistance, the arc tops of the two arc plates are opposite, the outer side wall of the screw rod is provided with a double-screw track for driving the two arc plates to rotate, the round pipe, the circular ring, the cylinder, the telescopic rod and the screw rod are coaxial with the sleeve, the outer side wall of the sleeve is provided with a plurality of movable rods along the circumferential equidistance, the movable rods are positioned on one side of the rectangular through holes far away from the connecting plate, the movable rods are staggered with the rectangular through holes, one end of each movable rod extends into the sleeve towards the axis direction of the sleeve and is connected with a rotating wheel in parallel, the other end of each movable rod is connected with a top plate, and the end of the top plate is aligned with the end of the sleeve, a plurality of arc-shaped bulges which drive the movable rod to extend out are arranged on the outer side wall of the cylinder at equal intervals along the circumferential direction.
In the use process, the telescopic device is arranged on the workbench, the front end of the telescopic rod of the telescopic device is connected with the circular tube, one side of the telescopic rod, which is far away from the telescopic device, is provided with the sleeve, one end of the sleeve, which is far away from the telescopic device, is provided with the connecting plate fixedly connected with the workbench, the outer side wall of the sleeve is provided with a plurality of rectangular through holes at equal intervals along the circumferential direction, the rectangular through holes transversely extend along the length direction of the sleeve, the sleeve is surrounded with the circular ring, the inner side wall of the inner ring of the circular ring is fixedly provided with the connecting rod, which extends towards the axial position of the sleeve and penetrates through the rectangular through holes, one end of the connecting rod, which is far away from the circular ring, is connected with the screw rod, one side, which is positioned in the sleeve, close to the telescopic device, of the circular ring is provided with the cylinder, the inner side wall of the sleeve is provided with two limiting blocks, the cylinder is positioned between the limiting blocks and is attached with the cylinder, the inner side wall of the cylinder is provided with two arc plates at equal intervals along the circumferential direction, the arc tops of the arc plates of the two arc plates are opposite, a double-spiral track for driving the two arc plates to rotate is arranged on the outer side wall of the spiral rod, the round tube, the round ring, the cylinder, the telescopic rod and the spiral rod are all coaxial with the sleeve, a plurality of movable rods are circumferentially equidistant on the outer side wall of the sleeve, the movable rods are positioned on one side of the rectangular through holes far away from the connecting plate, the movable rods are staggered with the rectangular through holes, one ends of the movable rods extend into the sleeve towards the axial direction of the sleeve and are connected with rotating wheels in parallel, the other ends of the movable rods are connected with a top plate, the end parts of the top plate are aligned with the end parts of the sleeve, a plurality of arc-shaped bulges for driving the movable rods to extend are circumferentially equidistant on the outer side wall of the cylinder, when the telescopic device is used, the inner ring of the gear needs to pass through the sleeve, so that the gear can be hung on the top plate, and then the telescopic rod of the telescopic device is controlled to extend, the drive pipe moves towards the connecting plate direction, make the pipe wrap the sleeve and with the lateral wall contact of gear, and promote the gear to move towards the connecting plate direction, make the gear can support the lateral wall of connecting rod or ring, and promote connecting rod and ring along rectangle through-hole together towards connecting plate direction removal, thereby make the connecting rod drive the hob and move in the drum, again because of the spacing effect of stopper to the drum, make the drum can not carry out lateral shifting in the sleeve, can only rotate under the orbital drive of double helix on the hob, thereby make the arc arch can rotate along with the drum, thereby drive the runner and rotate and promote the movable rod and stretch out in the sleeve, thereby under the restraint of gear inner circle, make the movable rod can promote the inner circle lateral wall of roof to the gear and carry out circumference compaction, after the inner circle lateral wall compaction of roof and gear, the movable rod can not continue stretching out, drum and arc arch stop rotating, the hob is blocked by two arc plates because of double helix track, can not continue to move towards the connecting plate direction, at this moment, the gear is fixed by ring and connecting rod centre gripping, thereby can make things convenient for the staff to fix the finish the centre bore of different specifications gear, thereby make the arc arch can rotate along with the drum, can be followed by the handle, can be moved by the initial position to the boss, can be moved by the boss and can be moved by the initial position is moved by the boss, can be moved by the boss and can be moved by the initial jack and can be finished to the boss can be just need to the initial position is moved by the boss.
Preferably, a first spring is sleeved on the movable rod positioned at the inner side of the sleeve, one end of the first spring is fixedly connected with the inner side wall of the sleeve, the other end of the first spring is fixedly connected with the movable rod, the distance from the top plate to the axis of the sleeve is smaller than 1/2 of the inner diameter of the circular tube, and the outer diameter of the circular ring is the same as the outer diameter of the circular tube. The movable rod positioned on the inner side of the sleeve is sleeved with the first spring, one end of the first spring is fixedly connected with the inner side wall of the sleeve, the other end of the first spring is fixedly connected with the movable rod, the distance from the top plate to the axis of the sleeve is smaller than 1/2 of the inner diameter of the circular tube, the outer diameter of the circular ring is identical to the outer diameter of the circular tube, the top plate can be used for compacting the inner ring of the gear in the circumferential direction conveniently, the movable rod can be driven by the first spring to return to the initial position after finishing the gear, and the gear is loosened.
Preferably, the movable rod is provided with two groups along the length direction of the sleeve. Through being provided with two sets of movable rod along telescopic length direction, can improve the stability of roof in the use, avoid the roof to be close to connecting plate one end and take place decurrent slope when using.
Preferably, the movable rod is arranged at the middle position of two adjacent rectangular through holes. The movable rod is arranged at the middle position of the two adjacent rectangular through holes, so that the movable rod can conveniently extend out of the sleeve.
Preferably, one end of the arc-shaped bulge far away from the cylinder is attached to the inner side wall of the sleeve. Through keeping away from the one end of drum with the arc protruding laminating mutually with the sleeve inside wall, can avoid the movable rod to take place to break away from with the arc protruding in the use.
Preferably, the circular ring and the connecting rod are provided with a first rubber pad on the side wall far away from the connecting plate, and the circular tube is provided with a second rubber pad on the side wall far away from the telescopic rod. Through being provided with first rubber pad on ring and connecting rod keep away from connecting plate one side lateral wall to be provided with the second rubber pad on the pipe keeps away from telescopic link one side lateral wall, utilize first rubber pad and second rubber pad can avoid ring, pipe and connecting rod to scratch to the gear surface when fixed to the gear centre gripping.
Preferably, a third rubber pad is arranged on the side wall of the side, far away from the movable rod, of the top plate. Through being provided with the third rubber pad on the roof is kept away from movable rod one side lateral wall, utilize the third rubber pad can avoid the roof to fish tail the inner circle lateral wall of gear in the use.
Preferably, a second spring is arranged at one end, far away from the connecting plate, of the screw rod, and the screw rod is fixedly connected with the sleeve through the second spring. Through being provided with the second spring in the hob one end of keeping away from the connecting plate to pass through the second spring rigid coupling with hob and sleeve, utilize the second spring can conveniently pull back the hob to initial position after gear finishing, thereby drive drum, arc arch, movable rod and roof also get back to initial position.
Preferably, the movable rod is provided with a support plate, and the first spring is fixedly connected with the movable rod through the support plate. Through being provided with the backup pad on the movable rod to pass through the backup pad rigid coupling with first spring and movable rod, utilize the backup pad can improve the connection effect between first spring and the movable rod, reinforcing device stability in the use.
The application method of the center hole positioning device for gear machining comprises the following steps:
a. firstly, the inner ring of the gear is required to pass through the sleeve and is placed on a third rubber pad of the top plate, so that the side wall of the inner ring of the gear is contacted with the third rubber pad;
b. the telescopic rod of the telescopic device is controlled to extend out, so that the round tube moves towards the direction of the connecting plate, the sleeve is wrapped, the side wall of the gear is propped against, the gear moves towards the direction of the connecting plate along with the round tube, and when the gear moves for a certain distance, the gear contacts with the first rubber pad and pushes the ring and the connecting rod to move towards the direction of the connecting plate;
c. when the circular ring and the connecting rod move towards the connecting plate, the spiral rod is driven to move towards the connecting plate in the cylinder, and the second spring is stretched, at the moment, the cylinder cannot transversely move in the sleeve due to the limiting effect of the limiting block on the cylinder, and only can rotate under the drive of the double-spiral track on the spiral rod, the arc-shaped bulge also rotates along with the cylinder, the rotating wheel is driven to rotate so as to push the movable rod to extend out of the sleeve, the first spring is compressed, when the third rubber pad on the top plate is compacted with the inner ring side wall of the gear in the circumferential direction, the movable rod cannot extend continuously, the cylinder stops rotating, the spiral rod is clamped by the double-spiral track through the two arc-shaped plates and can only keep still, and at the moment, the gear is clamped and fixed by the first rubber pad and the second rubber pad, so that the gear is convenient for a worker to finish machining;
d. after finishing the gear, the staff accomplishes the telescopic link withdrawal to the telescopic device again, drive the pipe and get back to initial position, make second rubber pad and gear take place to break away from, at this moment, the second spring can retract to initial position because of losing the pulling force towards the connecting plate, and drive the hob and move back to initial position towards the telescopic device direction in the drum, make drum, ring and connecting rod also get back to initial position, the movable rod can get back to initial position because of losing outside thrust, the third rubber pad on the roof no longer carries out circumference compaction to the inner circle lateral wall of gear under the promotion of first spring, the gear is loosened, make things convenient for the staff to take down the gear from the sleeve.
The beneficial effects of the invention are as follows: the telescopic device is installed on the workbench, a round tube is connected to the front end of a telescopic rod of the telescopic device, a sleeve is arranged on one side, far away from the telescopic device, of the telescopic rod, a connecting plate fixedly connected with the workbench is arranged on one end, far away from the telescopic device, of the sleeve, a plurality of rectangular through holes are formed in the outer side wall of the sleeve along the circumferential direction at equal intervals, the rectangular through holes transversely extend along the length direction of the sleeve, a circular ring is arranged on the sleeve in a surrounding mode, a connecting rod extending towards the axis position of the sleeve and penetrating through the rectangular through holes is fixedly arranged on the inner side wall of the circular ring, a screw rod is connected to one end, far away from the circular ring, of the connecting rod, a cylinder is arranged on one side, close to the telescopic device, of the circular ring, of the sleeve, and is provided with two limiting blocks on the inner side wall of the sleeve, the cylinder is attached to the cylinder, two arc plates are arranged on the inner side wall of the cylinder along the circumferential direction at equal intervals, the arc tops of the arc plates of the two arc plates are opposite, a double spiral track used for driving the two arc plates to rotate is formed in the outer side wall of the screw rod, the circular tube, the circular ring, the cylinder, the screw rod and the screw rod are coaxial with the sleeve, a movable rod is circumferentially arranged on the outer side wall of the sleeve, and penetrates through the rectangular through holes, the connecting plate is connected to the connecting plate, and extends towards the end of the other end of the circular tube along the circular ring, which extends towards the axial direction, and stretches out of the inner side of the connecting plate, and stretches out of the connecting plate, and has equal distance to the end of the circular plate, and extends to the connecting plate and has the circumference. Make the pipe wrap the sleeve and with the lateral wall contact of gear to promote the gear and move towards the connecting plate orientation, make the gear can support the lateral wall of connecting rod or ring, and promote the connecting rod and the ring along rectangle through-hole and move towards the connecting plate orientation together, thereby make the connecting rod drive the hob and move in the drum, again because of the spacing effect of stopper to the drum, make the drum can not carry out lateral shifting in the sleeve, can only rotate under the orbital drive of double helix on the hob, thereby make the arc arch can rotate along with the drum, thereby drive the runner and rotate and promote movable rod and stretch out in the sleeve, thereby under the constraint of gear inner circle, make movable rod can promote the roof and carry out circumference compaction to the inner circle lateral wall of gear, after the inner circle lateral wall compaction of roof and gear can not continue stretching out, drum and arc arch stop rotating, the hob is blocked by two arc plates because of double helix track, can not continue to move towards the connecting plate orientation, at this moment, the gear is fixed back finish machining to the centre bore of different gears can make things convenient for the staff, finish machining after the staff finishes to the gear, and only need the telescopic handle the gear to take back to the initial position and the telescopic handle the gear, can not get back to the initial position with the telescopic handle the gear, and the telescopic handle the initial position is moved back to the telescopic handle the gear.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the portion A in FIG. 1;
FIG. 3 is a cross-sectional view taken along line a-a of FIG. 2;
FIG. 4 is a cross-sectional view taken along line b-b of FIG. 2;
FIG. 5 is a cross-sectional view of section c-c of FIG. 4;
the figure shows:
1. the device comprises a second rubber pad, 2, a telescopic device, 3, a round tube, 4, a workbench, 5, a first rubber pad, 6, a connecting plate, 7, a rectangular through hole, 8, a third rubber pad, 9, a round ring, 10, a sleeve, 11, a supporting plate, 12, a connecting rod, 13, a limiting block, 14, a top plate, 15, an arc-shaped bulge, 16, a movable rod, 17, a rotating wheel, 18, an arc-shaped plate, 19, a cylinder, 20, a spiral rod, 21, a second spring, 22, a first spring, 23 and a double-spiral track.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
The invention relates to a center hole positioning device for gear processing, which is shown in figures 1-5, and comprises a workbench 4, wherein a telescopic device 2 is arranged on the workbench 4, a round tube 3 is connected to the front end of a telescopic rod of the telescopic device 2, a sleeve 10 is arranged on one side of the telescopic rod, which is far away from the telescopic device 2, a connecting plate 6 fixedly connected with the workbench 4 is arranged at one end of the sleeve 10, a plurality of rectangular through holes 7 are circumferentially and equidistantly arranged on the outer side wall of the sleeve 10, the rectangular through holes 7 transversely extend along the length direction of the sleeve 10, a circular ring 9 is surrounded on the sleeve 10, a connecting rod 12 extending towards the axis position of the sleeve 10 and penetrating through the rectangular through holes 7 is fixedly arranged on the inner side wall of the circular ring 9, a spiral rod 20 is connected to one end of the connecting rod 12, which is far away from the circular ring 9, a cylinder 19 is arranged on one side, which is close to the telescopic device 2, of the sleeve 10, two limiting blocks 13 are arranged on the inner side wall of the sleeve 10, the cylinder 19 is positioned between the two limiting blocks 13 and is jointed with the cylinder 19, a plurality of rectangular through holes 7 are circumferentially and circumferentially arranged on the inner side wall of the cylinder 19, two spiral rods 18 are circumferentially arranged on the inner side wall of the sleeve 19, two spiral rods 18 are coaxially arranged on the inner side wall of the sleeve 10, two arc rods 16 are coaxially arranged on the sleeve 10 and are coaxially and axially connected with the circular sleeve 16, two arc rods 16 are coaxially arranged on the sleeve 16, the arc rods 16 are coaxially and axially connected with the arc rod 16, the arc rod 16 is axially arranged on the sleeve 10, and the arc rod 16 is axially connected with the circular sleeve 10, and the arc rod is axially connected with the circular connecting rod 18, and is axially connected with the circular rod 18, and is axially and has the circular sleeve 18, and has the two arc sleeve 18, and has the circular sleeve 18 and has the 4, and has the 18 and has the, the end of the top plate 14 is aligned with the end of the sleeve 10, and a plurality of arc-shaped protrusions 15 which drive the movable rod 16 to extend out are circumferentially equidistantly arranged on the outer side wall of the cylinder 19.
The movable rod 16 positioned on the inner side of the sleeve 10 is sleeved with the first spring 22, one end of the first spring 22 is fixedly connected with the inner side wall of the sleeve 10, the other end of the first spring 22 is fixedly connected with the movable rod 16, the distance from the top plate 14 to the axis of the sleeve 10 is smaller than 1/2 of the inner diameter of the circular tube 3, the outer diameter of the circular ring 9 is the same as the outer diameter of the circular tube 3, the top plate 14 can be used for compacting the inner ring of the gear in the circumferential direction conveniently, the movable rod 16 can be driven by the first spring 22 to return to the initial position after finishing the gear, and the gear is loosened. By arranging two sets of movable rods 16 along the length direction of the sleeve 10, the stability of the top plate 14 in use can be improved, and downward inclination of one end of the top plate 14, which is close to the connecting plate 6, in use is avoided. By arranging the movable rod 16 in the middle position of the adjacent two rectangular through holes 7, the movable rod 16 can be conveniently extended out of the sleeve 10. By attaching the end of the arcuate projection 15 remote from the barrel 19 to the inner side wall of the sleeve 10, the movable bar 16 is prevented from being separated from the arcuate projection 15 during use. Through being provided with first rubber pad 5 on ring 9 and connecting rod 12 keep away from connecting plate 6 one side lateral wall to be provided with second rubber pad 1 on pipe 3 is kept away from telescopic link one side lateral wall, utilize first rubber pad 5 and second rubber pad 1 can avoid ring 9, pipe 3 and connecting rod 12 to scratch to the gear surface when fixed to the gear centre gripping. By arranging the third rubber pad 8 on the side wall of the top plate 14 far away from the movable rod 16, the side wall of the inner ring of the gear can be prevented from being scratched by the third rubber pad 8 in the using process of the top plate 14. Through being provided with second spring 21 in screw rod 20 one end that is kept away from connecting plate 6 to with screw rod 20 and sleeve 10 through second spring 21 rigid coupling, utilize second spring 21 can conveniently pull back screw rod 20 to initial position after gear finishing, thereby drive drum 19, arc arch 15, movable rod 16 and roof 14 also get back to initial position. Through being provided with backup pad 11 on movable rod 16 to with first spring 22 and movable rod 16 through backup pad 11 rigid coupling, utilize backup pad 11 can improve the connection effect between first spring 22 and the movable rod 16, strengthen the stability of device in the use.
The application method of the center hole positioning device for gear machining comprises the following steps:
a. firstly, the inner ring of the gear is required to pass through the sleeve 10 and be placed on the third rubber pad 8 of the top plate 14, so that the side wall of the inner ring of the gear is contacted with the third rubber pad 8;
b. then the telescopic rod of the telescopic device 2 is controlled to extend out, so that the round tube 3 moves towards the connecting plate 6, the sleeve 10 is wrapped and the side wall of the gear is propped against, so that the gear moves towards the connecting plate 6 along with the round tube 3, and when the gear moves for a certain distance, the gear contacts with the first rubber pad 5 and pushes the ring 9 and the connecting rod 12 to move towards the connecting plate 6;
c. when the ring 9 and the connecting rod 12 move towards the connecting plate 6, the spiral rod 20 is driven to move in the cylinder 19 towards the connecting plate 6, and the second spring 21 is stretched, at the moment, the cylinder 19 cannot transversely move in the sleeve 10 due to the limiting effect of the limiting block 13 on the cylinder 19, only the cylinder 19 can rotate under the drive of the double spiral track 23 on the spiral rod 20, the arc-shaped bulge 15 also rotates along with the cylinder 19, the rotating wheel 17 is driven to rotate so as to push the movable rod 16 to extend out of the sleeve 10, the first spring 22 is compressed, when the third rubber pad 8 on the top plate 14 is circumferentially compacted with the inner ring side wall of the gear, the movable rod 16 cannot extend continuously, the cylinder 19 stops rotating, the spiral rod 20 is clamped by the two arc-shaped plates 18 and can only keep stationary, and at the moment, the gear is clamped and fixed by the first rubber pad 5 and the second rubber pad 1, so that a worker can finish machining the gear conveniently;
d. after finishing the gear, the staff controls the telescopic rod of the telescopic device 2 to retract, drives the round tube 3 to return to the initial position, enables the second rubber pad 1 to be separated from the gear, at the moment, the second spring 21 can retract to the initial position due to losing the pulling force towards the connecting plate 6, drives the screw rod 20 to move back to the initial position in the cylinder 19 towards the telescopic device 2, enables the cylinder 19, the circular ring 9 and the connecting rod 12 to return to the initial position, and enables the movable rod 16 to return to the initial position due to losing the outward pushing force, so that the third rubber pad 8 on the top plate 14 does not circumferentially compact the inner ring side wall of the gear any more, the gear is loosened, and the staff can take the gear off the sleeve 10 conveniently.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (10)
1. The utility model provides a gear processing is with centre bore positioner which characterized in that: the telescopic device comprises a workbench (4), wherein a telescopic device (2) is arranged on the workbench (4), a round tube (3) is connected to the front end of a telescopic rod of the telescopic device (2), a sleeve (10) is arranged on one side, far away from the telescopic device (2), of the telescopic rod, a connecting plate (6) fixedly connected with the workbench (4) is arranged at one end, far away from the telescopic device (2), of the sleeve (10), a plurality of rectangular through holes (7) are formed in the outer side wall of the sleeve (10) at equal intervals along the circumferential direction, the rectangular through holes (7) transversely extend along the length direction of the sleeve (10), and a circular ring (9) is arranged on the sleeve (10) in a surrounding mode;
the connecting rod (12) extending towards the axis position of the sleeve (10) and penetrating through the rectangular through hole (7) is fixedly arranged on the inner ring side wall of the circular ring (9), one end, away from the circular ring (9), of the connecting rod (12) is connected with a screw rod (20), a cylinder (19) is arranged on one side, close to the telescopic device (2), of the circular ring (9) in the sleeve (10), two limiting blocks (13) are arranged on the inner side wall of the sleeve (10), and the cylinder (19) is positioned between the two limiting blocks (13) and is attached to the cylinder (19);
two arc plates (18) are arranged on the inner side wall of the cylinder (19) at equal intervals along the circumferential direction, arc tops of the two arc plates (18) are opposite, a double-spiral track (23) for driving the two arc plates (18) to rotate is arranged on the outer side wall of the spiral rod (20), and the circular tube (3), the circular ring (9), the cylinder (19), the telescopic rod and the spiral rod (20) are coaxial with the sleeve (10);
a plurality of movable rods (16) are arranged on the outer side wall of the sleeve (10) at equal intervals along the circumferential direction, the movable rods (16) are positioned on one side of the rectangular through holes (7) far away from the connecting plate (6), the movable rods (16) and the rectangular through holes (7) are arranged in a staggered mode, and one ends of the movable rods (16) extend into the sleeve (10) towards the axis direction of the sleeve (10) and are connected with rotating wheels (17) in parallel; the other end of the movable rod (16) is connected with a top plate (14), the end part of the top plate (14) is aligned with the end part of the sleeve (10), and a plurality of arc-shaped bulges (15) for driving the movable rod (16) to extend out are arranged on the outer side wall of the cylinder (19) at equal intervals along the circumferential direction.
2. The gear machining center hole positioning device according to claim 1, wherein: the movable rod (16) positioned on the inner side of the sleeve (10) is sleeved with a first spring (22), one end of the first spring (22) is fixedly connected with the inner side wall of the sleeve (10), the other end of the first spring is fixedly connected with the movable rod (16), the distance from the top plate (14) to the axis of the sleeve (10) is smaller than 1/2 of the inner diameter of the circular tube (3), and the outer diameter of the circular ring (9) is the same as the outer diameter of the circular tube (3).
3. The gear machining center hole positioning device according to claim 1, wherein: the movable rods (16) are provided with two groups along the length direction of the sleeve (10).
4. The gear machining center hole positioning device according to claim 1, wherein: the movable rods (16) are arranged at the middle positions of two adjacent rectangular through holes (7).
5. The gear machining center hole positioning device according to claim 1, wherein: one end of the arc-shaped bulge (15) far away from the cylinder (19) is attached to the inner side wall of the sleeve (10).
6. The gear machining center hole positioning device according to claim 1, wherein: the circular ring (9) and the connecting rod (12) are provided with a first rubber pad (5) on the side wall of one side far away from the connecting plate (6), and the circular tube (3) is provided with a second rubber pad (1) on the side wall of one side far away from the telescopic rod.
7. The gear machining center hole positioning device according to claim 1, wherein: a third rubber pad (8) is arranged on the side wall of the side, far away from the movable rod (16), of the top plate (14).
8. The gear machining center hole positioning device according to claim 1, wherein: one end of the spiral rod (20) far away from the connecting plate (6) is provided with a second spring (21), and the spiral rod (20) is fixedly connected with the sleeve (10) through the second spring (21).
9. The gear machining center hole positioning device according to claim 2, wherein: the movable rod (16) is provided with a supporting plate (11), and the first spring (22) is fixedly connected with the movable rod (16) through the supporting plate (11).
10. The method of using a tube fixing device according to any one of claims 1 to 9, comprising the steps of:
a. the inner ring of the gear passes through the sleeve (10) and is placed on a third rubber pad (8) of the top plate (14);
b. the telescopic rod of the telescopic device (2) is controlled to extend out, so that the round tube (3) moves towards the direction of the connecting plate (6), the sleeve (10) is wrapped and simultaneously props against the gear, the gear moves towards the direction of the connecting plate (6) along with the round tube (3), and when the gear moves for a certain distance, the gear contacts with the first rubber pad (5) and pushes the ring (9) and the connecting rod (12) to move towards the direction of the connecting plate (6);
c. when the circular ring (9) and the connecting rod (12) move towards the connecting plate (6), the spiral rod (20) is driven to move towards the connecting plate (6) in the cylinder (19), the second spring (21) is stretched, at the moment, the cylinder (19) cannot transversely move in the sleeve (10) due to the limiting effect of the limiting block (13) on the cylinder (19), only the cylinder (20) can rotate under the driving of the double spiral track (23), the arc-shaped bulge (15) also rotates along with the cylinder (19), so that the rotating wheel (17) is driven to rotate and push the movable rod (16) to extend out of the sleeve (10), the first spring (22) is compressed, when the third rubber pad (8) on the top plate (14) and the inner ring side wall of the gear are compacted circumferentially, the movable rod (16) cannot extend continuously, the cylinder (19) stops rotating, and at the moment, the gear is clamped by the first rubber pad (5) and the second rubber pad (1) due to the double spiral track (23) to the fact that the double spiral track (18) is kept still, and the gear is clamped by the first rubber pad (5) and the second rubber pad (1) is convenient for a worker to finish the gear;
d. after finishing finish machining of the gear, the telescopic rod of the telescopic device (2) is controlled to retract, the round tube (3) is driven to return to the initial position, the second rubber pad (1) is separated from the gear, at the moment, the second spring (21) can retract to the initial position due to the fact that pulling force towards the connecting plate (6) is lost, the spiral rod (20) is driven to move back to the initial position in the cylinder (19) towards the telescopic device (2), the cylinder (19), the circular ring (9) and the connecting rod (12) are enabled to return to the initial position, the movable rod (16) can also return to the initial position due to the fact that pushing force outwards is lost, the third rubber pad (8) of the top plate (14) is not fixed to the circumference of the inner ring side wall of the gear, the gear is loosened, and a worker can take the gear off the sleeve (10) conveniently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311113737.XA CN117283056B (en) | 2023-08-31 | 2023-08-31 | Central hole positioning device for gear machining and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311113737.XA CN117283056B (en) | 2023-08-31 | 2023-08-31 | Central hole positioning device for gear machining and use method |
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| Publication Number | Publication Date |
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| CN117283056A true CN117283056A (en) | 2023-12-26 |
| CN117283056B CN117283056B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311113737.XA Active CN117283056B (en) | 2023-08-31 | 2023-08-31 | Central hole positioning device for gear machining and use method |
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| CN212682701U (en) * | 2020-07-21 | 2021-03-12 | 常州三恒机械有限公司 | Gear positioning device in gear processing machine |
| CN213561198U (en) * | 2020-11-09 | 2021-06-29 | 杭州临安欧玛工具有限公司 | Processing clamping device for elliptical metal workpiece arranged on milling machine |
| CN215699787U (en) * | 2021-08-30 | 2022-02-01 | 东莞市盛嘉精密科技有限公司 | Precision positioning fixture for precision part machining |
| CN218488020U (en) * | 2022-10-09 | 2023-02-17 | 合肥市欣东模具有限公司 | Mould design accurate grinding device |
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2023
- 2023-08-31 CN CN202311113737.XA patent/CN117283056B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA645352A (en) * | 1962-07-24 | A. Williams William | Motion control sheave with lifetime lubrication | |
| US20060180276A1 (en) * | 2004-10-01 | 2006-08-17 | Primax Electronics Ltd. | Gear assembly of laminating apparatus |
| CN208019837U (en) * | 2018-02-05 | 2018-10-30 | 天津欧斯液压设备有限公司 | A kind of novel hydraulic fixture |
| CN209717198U (en) * | 2019-01-02 | 2019-12-03 | 章丘搏丰工程技术应用有限公司 | A kind of cylindrical grinder |
| CN212682701U (en) * | 2020-07-21 | 2021-03-12 | 常州三恒机械有限公司 | Gear positioning device in gear processing machine |
| CN213561198U (en) * | 2020-11-09 | 2021-06-29 | 杭州临安欧玛工具有限公司 | Processing clamping device for elliptical metal workpiece arranged on milling machine |
| CN215699787U (en) * | 2021-08-30 | 2022-02-01 | 东莞市盛嘉精密科技有限公司 | Precision positioning fixture for precision part machining |
| CN218488020U (en) * | 2022-10-09 | 2023-02-17 | 合肥市欣东模具有限公司 | Mould design accurate grinding device |
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|---|---|
| CN117283056B (en) | 2024-04-19 |
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