CN204209451U - Transmission gears axle chamfering shaping jig - Google Patents

Transmission gears axle chamfering shaping jig Download PDF

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Publication number
CN204209451U
CN204209451U CN201420479530.4U CN201420479530U CN204209451U CN 204209451 U CN204209451 U CN 204209451U CN 201420479530 U CN201420479530 U CN 201420479530U CN 204209451 U CN204209451 U CN 204209451U
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CN
China
Prior art keywords
mounting cylinder
clamping sleeve
clamping
compact heap
along
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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.)
Expired - Fee Related
Application number
CN201420479530.4U
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Chinese (zh)
Inventor
童辉
吉中全
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NINGBO LVHONG AUTO PARTS Co Ltd
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NINGBO LVHONG AUTO PARTS Co Ltd
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Priority to CN201420479530.4U priority Critical patent/CN204209451U/en
Application granted granted Critical
Publication of CN204209451U publication Critical patent/CN204209451U/en
Expired - Fee Related legal-status Critical Current
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Abstract

A kind of transmission gears axle chamfering shaping jig, comprise housing, and be positioned at the laterally extending mounting cylinder of housing, the centre bore that extends along its length is provided with for inserting fixing gear axle to be processed in described mounting cylinder, also comprise drive unit and the transmission mechanism of the axle rotation driving this mounting cylinder around himself, the two ends of described mounting cylinder are fixed with clamping device, described clamping device clamps gear axle to be processed when mounting cylinder rotates, unclamp the gear axle that this is to be processed when stopping the rotation.This transmission gears axle chamfering shaping jig, centrifugal force is utilized to clamp gear axle to be processed, only clamp gear axle when cutwork, gear axle can be unclamped after cutting completes, auto feed and the discharging of gear axle can be realized, the clamping processing of the gear axle of different size can be realized, more expanded the scope of application of this fixture, process while also realizing its both ends of the surface, more substantially increase production efficiency.

Description

Transmission gears axle chamfering shaping jig
Technical field
The utility model relates to a kind of fixture, particularly relates to the fixture in a kind of chamfer machining.
Background technology
Transmission gears axle is the parts of a strip, and the end face periphery at its two ends has chamfering.General chamfer machining needs gear axle to fix, then rotary cutting processing.General rotary cutting processing, adopts three-jaw flange form binding clasp mostly, and manual loading in fixture by workpiece clamps, and then carries out machining with cutter to workpiece.The Method compare of this manual loading workpiece is wasted time and energy, operating efficiency is lower, the requirement of work pieces process in enormous quantities can not be adapted to, and it is higher to the requirement of operator, operate if not very skilled workman, be easy to workpiece clamp askew, and then affect machining operation, the defect rate of product is improved greatly.
Also occurred that some adopt frame for movement to realize the fixture of Automatic-clamping workpiece now, although operating efficiency is greatly improved, but in use still there is this lot of weak point, one is that requirement on machining accuracy is high, complex structure, the cost of fixture own is comparatively large, and two is that clamping force regulates inconvenience, easily because Workpiece fixing size error causes the deficiency of clamping force, workpiece is caused not to be clamped and generation accident.
Therefore also occurred that some structures are simple, by the fixture of centrifugal force by Workpiece clamping in rotary course, Machinetool workpiece automatic clamping mechanism disclosed in Chinese patent CN203599889U, comprise the clamping be fixedly connected with unit head to do, the center of clamping seats is provided with centre bore, the end face of clamping seats is provided with rotationally at least three pieces and is circle with centre bore and the eccentric clamping block of even circumferential distribution, when clamping seats rotates on clamp under centrifugal action clamping work pieces.This centrifugal force clamping work pieces, although easy to process, can realize the Automatic-clamping of workpiece, but this clamp structure is too simple, its clamping force is also limited, is easy to the situation occurring insufficient clamping force, and workpiece easily occurs loosen and produce substandard products or accident in machining.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can in the chamfer machining of transmission gears axial end Automatic-clamping gear axle, and clamping is firmly, can realize the self-feeding of gear axle and the gear axle chamfering shaping jig of discharging.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of transmission gears axle chamfering shaping jig, comprise housing, and be positioned at the laterally extending mounting cylinder of housing, the centre bore that extends along its length is provided with for inserting fixing gear axle to be processed in described mounting cylinder, it is characterized in that: the drive unit and the transmission mechanism that also comprise the axle rotation driving this mounting cylinder around himself, the two ends of described mounting cylinder are fixed with clamping device, described clamping device clamps gear axle to be processed when mounting cylinder rotates, the gear axle that this is to be processed is unclamped when stopping the rotation.
Preferably, described clamping device comprises a chassis, and form the cover cap of an accommodation space with described chassis, described chassis and mounting cylinder perpendicular and interfix, in described accommodation space, described chassis is provided with and is uniformly distributed and the passage extended along the radial direction on this chassis along its circumference, slide block to be located in described passage and can be moved along described passage, described chassis is provided with the through hole matched with the central hole location of mounting cylinder, clamping sleeve is inserted with in described through hole, the outboard end of described clamping sleeve is exposed to described through hole and on it, cover has a compact heap, described clamping sleeve, compact heap all has the centre bore matched with the central hole location of this mounting cylinder, the internal diameter of described clamping sleeve and the external diameter of gear axle to be processed match and insert for gear axle, contiguous block connects compact heap and sliding shoe, along with the rotation on chassis, described sliding shoe outwards moves along passage, and by contiguous block drive this compact heap and clamping sleeve along mounting cylinder axially to mounting cylinder medial motion, and then make clamping sleeve compress gear axle to be processed in it.
Preferably, one end of described contiguous block is connected with sliding shoe, and the other end is butted on described compact heap from outside, and the middle part of this contiguous block is a hinge, and described contiguous block can rotate by the hinge in the middle part of it.
Preferably, the side face of described compact heap is provided with a circle and its axial vertical outward extending flange face, and the other end of described contiguous block is butted on described flange face.
Gear axle is inwardly compressed for the ease of clamping sleeve, outboard end and the compact heap of described clamping sleeve fix, the outer surface of this outboard end is inside diminishing inclined-plane from end, described inclined-plane moves along through hole, and be inwardly provided with from the outboard end of this clamping sleeve the groove that the length direction along clamping sleeve extends, the other end aperture of this clamping sleeve is less than its outboard end and is inserted in through hole and mounting cylinder.
Fixing for the ease of clamping sleeve and compact heap, the end face of the outboard end of described clamping sleeve is provided with and axially stretches out and external diameter is less than the collar of its end face along it, the outboard end of described collar is provided with vertical outward extending locating piece axial with it, the outboard end of described compact heap is an end face axially vertical with it, this end face is provided with the detent matched with locating piece, when described compact heap is placed on outside described clamping sleeve, its end face is stuck in described collar, and described groove extends to described collar.
For the ease of clamping sleeve, being interconnected between compact heap and chassis, the spigot surface that a circle axially outwardly extends along it is provided with outside the through hole on described chassis, described clamping sleeve inserts and is positioned at described spigot surface, and described compact heap is placed on outside described clamping sleeve and spigot surface.
Preferably, the output shaft of described drive unit is laterally positioned at housing and fixes with the first gear same axis of transmission mechanism, described first gear matches with the second gear transmission, described second gear to be placed on mounting cylinder and coaxially to fix with mounting cylinder, and described transmission mechanism is positioned at described housing.
Preferably, described clamping device is two, and be located at outside two sides of described housing respectively, described mounting cylinder is along the width horizontally set of housing.
Preferably, described contiguous block is L shape, and the hinge of described contiguous block is fixed on described chassis.
Compared with prior art, the utility model has the advantage of this transmission gears axle chamfering shaping jig, not only structure is simple, be easy to processing, and not high to requirement on machining accuracy, be easy to use, and this fixture utilizes centrifugal force to clamp gear axle to be processed, only clamp gear axle when cutwork, gear axle can be unclamped after having cut, auto feed and the discharging of gear axle can be realized.And only needing the clamping processing that can realize the gear axle of different size by changing clamping sleeve, more having expanded the scope of application of this fixture.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the fixture of the utility model embodiment.
Fig. 2 is the top view of the fixture of the utility model embodiment.
Fig. 3 is the schematic perspective view (removing housing) of the fixture of the utility model embodiment.
Fig. 4 is the schematic perspective view (removing housing and cover cap) of the fixture of the utility model embodiment
Fig. 5 is the decomposing schematic representation (removing cover cap) of the clamping device of the fixture of the utility model embodiment.
Fig. 6 is the sectional view of the fixture of the utility model embodiment.
Fig. 7 is the exploded view (removing housing and cover cap) of the fixture of the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in figs. 1-7, the fixture of the utility model embodiment, comprise the housing 1 being positioned at outside, housing 1 is for being installed on lathe or other cutting elements by whole fixture.Housing 1 is provided with drive unit 11 and transmission mechanism, a laterally extending mounting cylinder 2 is provided with in housing 1, the centre bore extended in the same way with its length direction is provided with in this mounting cylinder 2, for inserting gear axle 10 to be processed in the centre bore of this mounting cylinder 2, the two ends of mounting cylinder 2 are installed with clamping device, preferably, this clamping device expose be positioned at housing 1 two sides outside, mounting cylinder 2 is along the width horizontally set of this housing 1.Mounting cylinder 2 and the clamping device central shaft around this mounting cylinder 2 self under the driving of drive unit 11 and transmission mechanism rotates.Clamping device clamps gear axle to be processed when mounting cylinder 2 rotates, unclamp the gear axle that this is to be processed when stopping the rotation.
Drive unit 11 is fixed on housing 1, can be positioned at outside housing 1, also can be positioned at inside housing 1, and as shown in Figure 1, this drive unit 11 is fixed on outside housing 1.Its output shaft 12 is laterally inserted is positioned at housing 1, transmission mechanism is provided with in housing 1, transmission mechanism comprises the first gear 13 be coaxially fixed on output shaft 12, this first gear 13 is meshed with other travelling gears, the final transmission that matches with coaxial the second gear 14 be fixedly placed on mounting cylinder 2, this first gear 13 and the second gear 14 are all positioned at housing 1.This travelling gear can omit, and also can be at least one.
Clamping device comprises a chassis 3, preferably, it is a discoid chassis 3, and be placed on the cover cap 9 forming an accommodation space outside chassis 3 with chassis 3, the central shaft on chassis 3 is mounting cylinder 2, this chassis 3 interfixes with mounting cylinder 2 and mutually vertical, this chassis 3 is provided with and is uniformly distributed along its circumference at least two passages 4 that the radial direction along this chassis 3 extends, as shown in figs. 4-7, the cross section of this passage 4 is circle also can be other shapes, the sliding shoe 5 moved along passage 4 is provided with in passage 4, preferably, the cross section of passage 4 is circular, sliding shoe 5 is match with the cross section of this passage 4 cylindrical.
The center on chassis 3, be provided with the through hole 31 extended along its central shaft, the central hole location of through hole and mounting cylinder 2 matches, and a clamping sleeve 6 is inserted in through hole 31, and the outboard end of this clamping sleeve 6 is exposed to through hole 31, and this outboard end is fixed with a compact heap 7.The centre bore inserted for above-mentioned gear axle 10 is equipped with in compact heap 7, clamping sleeve 6, this centre bore is communicated with mounting cylinder 2, and this compact heap 7, clamping sleeve 6 are all coaxially arranged with mounting cylinder 2, gear axle 10 is inserted in mounting cylinder 2 by this compact heap 7, clamping sleeve 7.
The side face of compact heap 7 is provided with a circle and its axial vertical outward extending flange face 71.The contiguous block 8 of one L shape is located on chassis 3, be connected with sliding shoe 5 in the passage 4 on its insertion chassis, one end 3, the other end is butted on flange face 71 from outside, the middle part of these L shape parts is a hinge, and this contiguous block 8 rotates around this hinge, and this hinge can be fixed on chassis 3.Therefore, when this chassis 3 rotates along with mounting cylinder 2, sliding shoe 5 can move towards periphery along passage 4 along with centrifugal force, and then one end of the contiguous block of this L shape is stretched along the outboard end of the radial direction on chassis 3, make the medial motion of the other end towards the bearing of trend of mounting cylinder 2 of this L shape contiguous block 8, namely push down this flange face 71 and make this compact heap 7 along the bearing of trend of mounting cylinder 2 and move towards direction inside mounting cylinder 2 outside the through hole 31 on chassis 3.And those skilled in the art also can recognize, this compact heap 7 also can not have flange face 71, as long as the other end of this contiguous block 8 can prop up this compact heap 7 from outside, its bearing of trend along mounting cylinder 2 is moved.This flange face 71 is also not necessarily positioned at one end of the close mounting cylinder 2 of this compact heap 7 as shown in the figure, also compact heap 7 one end away from mounting cylinder 2 can be positioned at, preferably, the outer surface of this passage 4 is provided with opening and supplies the insertion of the other end of contiguous block 8 to be connected with sliding shoe 6, this contiguous block 8 also not necessarily L shape, as long as can rotate by the hinge in the middle part of it.Those skilled in the art can recognize, the contiguous block of other structures can be adopted, as long as this contiguous block 8 can connect compact heap 7 and sliding shoe 5 and hinge around intermediate portion rotates, along with sliding shoe 5 drives this compact heap 7 and clamping sleeve to move towards the direction, inner side of mounting cylinder 2 when passage 4 outwards moves.
As shown in Figure 7, outboard end and the compact heap 7 of clamping sleeve 6 interfix, and one end of this clamping sleeve 6, namely the outer surface of one end of the through hole 31 on this chassis 3 is exposed to for the inside diminishing inclined-plane from end, this inclined-plane moves along through hole 31, and be inwardly provided with from the outboard end of this clamping sleeve 6 groove 61 that the length direction along clamping sleeve 6 extends, this groove 61 can along the side face of clamping sleeve 6 be uniformly distributed be provided with multiple, the external diameter of the other end of this clamping sleeve 6 is less than the external diameter of the one end of the through hole 31 that it is exposed to chassis 3, and its other end inserts and is positioned at through hole 31 and mounting cylinder 2.The internal diameter of the centre bore of clamping sleeve 6 and the external diameter of gear axle 10 to be processed match, therefore when clamping sleeve 6 along with compact heap 7 along mounting cylinder 2 axially to the medial motion of mounting cylinder 2 time, its one end with groove 61 will inwardly be shunk, and then compresses the gear axle 10 to be processed inserted with in this clamping sleeve 6.Preferably, the inner surface of the outboard end of the through hole 31 on chassis 3, internal diameter reduces gradually from outside to inside.
Preferably, as shown in Fig. 5,7, the outboard end of this compact heap 7 is an end face axially vertical with it, the external diameter of this clamping sleeve 6 and the internal diameter of compact heap 7 match, the end face of the outboard end of this clamping sleeve 6 is provided with and axially stretches out and external diameter is less than the collar 63 of the external diameter of its end face along it, and the outboard end of this collar 63 is provided with and its axial vertical outward extending locating piece 62.The end face of the outboard end of compact heap 7 be provided with match with this locating piece 62 and the detent 72 extended along its length, locating piece 62 is inserted in detent 72 and makes clamping sleeve 6 be inserted in compact heap, and when one end of this clamping sleeve 6 is exposed to the end face of compact heap 7, clamping sleeve 6 rotates relative to compact heap 7, locating piece 62 and detent 72 are staggered mutually, and the end face of this compact heap 7 is positioned at this collar 63, and then compact heap and clamping sleeve are mutually permanently connected.This spline structure is simple, convenient disassembly, is easy to change.As long as change the clamping sleeve of different inner diameters, the gear axle of the different size that namely can be used for being fixedly clamped.Above-mentioned groove 61 also extends on collar 63.
Above-mentioned clamping sleeve 6, compact heap 7 and contiguous block 8 are all positioned at the accommodation space that chassis 3 surrounds with cover cap 9, and cover cap 9 is provided with all corresponding with the centre bore of the centre bore in mounting cylinder 2 and clamping sleeve 6, compact heap 7, for the hole that gear axle inserts.This hold down gag can respectively arrange one outside the two sides of housing 1, and also only can put one at a side peripheral hardware of housing 1, this hold down gag can be positioned at outside housing 1, also can be positioned at inside housing 1.Those skilled in the art can according to above-mentioned principle from Row sum-equal matrix.
Preferably, the circle spigot surface 32 axially outwardly extended along it is provided with outside the through hole 31 on chassis 3, through hole 31 is formed in this spigot surface 32, the outside of this spigot surface 32 is a circle groove, clamping sleeve 6 inserts and is positioned at spigot surface 32, and compact heap 7 is placed on the outside of clamping sleeve 6, and is also positioned at the outside of spigot surface 32 simultaneously, spigot surface 32 is sandwiched between clamping sleeve 6 and compact heap 7, and the position of three is interfixed.
The operation principle of this transmission gears axle chamfering shaping jig is, after in the centre bore that the outside needing the gear axle of processing from chassis 3 and cover cap 9 is inserted into clamping sleeve 6 and mounting cylinder 2, drive unit and transmission device drive mounting cylinder 2 to rotate, rotation along with mounting cylinder 2 drives the rotation of clamping device, when clamping device rotates, slide block 5 moves laterally along passage 4, and then moved laterally in one end of contiguous block, contiguous block rotates around its hinged hinge, and then make the other end of contiguous block drive compact heap and clamping sleeve along the centre bore of mounting cylinder 2 to the medial motion of mounting cylinder 2, clamping sleeve is made to move to the inside along through hole and compress the gear axle in clamping sleeve, namely realize clamping gear axle when clamping device rotates.When clamping device stops operating, slide block 5 is along passage 4 to central motion, and then contiguous block 8 is rotated around its hinge, the other end of contiguous block is made to unclamp compact heap laterally, and then compact heap and clamping sleeve are moved laterally, unclamping the gear axle in mounting cylinder 2, namely realizing unclamping gear axle when not rotating.
This transmission gears axle chamfering shaping jig, not only structure is simple, be easy to processing, and it is not high to requirement on machining accuracy, be easy to use, and this fixture utilizes centrifugal force to clamp gear axle to be processed, only clamp gear axle when cutwork, gear axle can be unclamped after cutting completes, auto feed and the discharging of gear axle can be realized.And only needing the clamping processing that can realize the gear axle of different size by changing clamping sleeve, more having expanded the scope of application of this fixture.And the middle part of what fixture of the present utility model clamped is gear axle, processes while therefore can realizing its both ends of the surface, more substantially increases production efficiency.This fixture also may be used for the processing of other axle classes.

Claims (10)

1. a transmission gears axle chamfering shaping jig, comprise housing (1), and be positioned at the laterally extending mounting cylinder (2) of housing (1), the centre bore that extends along its length is provided with for inserting fixing gear axle (10) to be processed in described mounting cylinder (2), it is characterized in that: the drive unit and the transmission mechanism that also comprise the axle rotation driving this mounting cylinder (2) around himself, the two ends of described mounting cylinder (2) are fixed with clamping device, described clamping device clamps gear axle (10) to be processed when mounting cylinder (2) rotates, the gear axle (10) that this is to be processed is unclamped when stopping the rotation.
2. fixture as claimed in claim 1, it is characterized in that: described clamping device comprises a chassis (3), and form the cover cap (9) of an accommodation space with described chassis (3), described chassis (3) and mounting cylinder (2) are perpendicular and interfix, in described accommodation space, described chassis (3) is provided with and is uniformly distributed and the passage (4) extended along the radial direction of this chassis (3) along its circumference, slide block (5) to be located in described passage (4) and can be moved along described passage (4), described chassis (3) is provided with the through hole (31) matched with the central hole location of mounting cylinder (2), clamping sleeve (6) is inserted with in described through hole (31), the outboard end of described clamping sleeve (6) is exposed to described through hole (31) and on it, cover has a compact heap (7), described clamping sleeve (6), compact heap (7) all has the centre bore matched with the central hole location of this mounting cylinder (2), the internal diameter of described clamping sleeve (6) and the external diameter of gear axle (10) to be processed match and insert for gear axle (10), contiguous block (8) connects compact heap (7) and sliding shoe (5), along with the rotation of chassis (3), described sliding shoe (5) outwards moves along passage (4), and drive this compact heap (7) and clamping sleeve (6) along the axis of mounting cylinder (2) to mounting cylinder (2) medial motion by contiguous block (8), and then make clamping sleeve (6) compress gear axle (10) to be processed in it.
3. fixture as claimed in claim 2, it is characterized in that: one end of described contiguous block is connected with sliding shoe (5), the other end is butted on described compact heap (7) from outside, the middle part of this contiguous block (8) is a hinge, and described contiguous block (8) can rotate by the hinge in the middle part of it.
4. fixture as claimed in claim 3, it is characterized in that: the side face of described compact heap (7) is provided with a circle and its axial vertical outward extending flange face (71), and the other end of described contiguous block (8) is butted on described flange face (71).
5. fixture as claimed in claim 2, it is characterized in that: outboard end and the compact heap (7) of described clamping sleeve (6) fix, the outer surface of this outboard end is inside diminishing inclined-plane from end, described inclined-plane moves along through hole (31), and be inwardly provided with from the outboard end of this clamping sleeve (6) groove (61) that the length direction along clamping sleeve (6) extends, the other end aperture of this clamping sleeve (6) is less than its outboard end and is inserted in through hole (31) and mounting cylinder (2).
6. fixture as claimed in claim 5, it is characterized in that: the end face of the outboard end of described clamping sleeve (6) is provided with and axially stretches out and external diameter is less than the collar (63) of its end face along it, the outboard end of described collar (63) is provided with vertical outward extending locating piece (62) axial with it, the outboard end of described compact heap (7) is an end face axially vertical with it, this end face is provided with the detent (72) matched with locating piece (62), when described compact heap (7) is placed on described clamping sleeve (6) outside, its end face is stuck in described collar (63), described groove (61) extends to described collar (63).
7. the fixture according to any one of claim 2-6, it is characterized in that: through hole (31) outside of described chassis (3) is provided with a circle along its axial spigot surface (32) outwardly extended, described clamping sleeve (6) inserts and is positioned at described spigot surface (32), and described compact heap (7) is placed on described clamping sleeve (6) and spigot surface (32) outside.
8. the fixture according to any one of claim 1-6, it is characterized in that: the output shaft (12) of described drive unit is laterally positioned at housing (1) and fixes with the first gear (13) same axis of transmission mechanism, described first gear (13) is matched with the second gear (14) transmission, described second gear (14) is placed on mounting cylinder (2) and goes up and coaxially fix with mounting cylinder (2), and described transmission mechanism is positioned at described housing (1).
9. the fixture according to any one of claim 1-6, it is characterized in that: described clamping device is two, be located at outside two sides of described housing (1) respectively, described mounting cylinder (2) is along the width horizontally set of housing (1).
10. fixture as claimed in claim 3, it is characterized in that: described contiguous block (8) is L shape, the hinge of described contiguous block (8) is fixed on described chassis (3).
CN201420479530.4U 2014-08-22 2014-08-22 Transmission gears axle chamfering shaping jig Expired - Fee Related CN204209451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420479530.4U CN204209451U (en) 2014-08-22 2014-08-22 Transmission gears axle chamfering shaping jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420479530.4U CN204209451U (en) 2014-08-22 2014-08-22 Transmission gears axle chamfering shaping jig

Publications (1)

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CN204209451U true CN204209451U (en) 2015-03-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209785A (en) * 2014-08-22 2014-12-17 宁波铝宏汽车零部件有限公司 Gearbox gear shaft chamfer forming clamp
CN112059235A (en) * 2020-08-10 2020-12-11 浙江汇丰汽车零部件股份有限公司 Shaft body deep hole machining system and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209785A (en) * 2014-08-22 2014-12-17 宁波铝宏汽车零部件有限公司 Gearbox gear shaft chamfer forming clamp
CN112059235A (en) * 2020-08-10 2020-12-11 浙江汇丰汽车零部件股份有限公司 Shaft body deep hole machining system and using method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150318

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