CN203254016U - Device assisting common gear hobbing machine with arc-shaped gear machining - Google Patents

Device assisting common gear hobbing machine with arc-shaped gear machining Download PDF

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Publication number
CN203254016U
CN203254016U CN 201320232473 CN201320232473U CN203254016U CN 203254016 U CN203254016 U CN 203254016U CN 201320232473 CN201320232473 CN 201320232473 CN 201320232473 U CN201320232473 U CN 201320232473U CN 203254016 U CN203254016 U CN 203254016U
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CN
China
Prior art keywords
gear
hobbing machine
hobboing cutter
guide rail
sleeved
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Expired - Fee Related
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CN 201320232473
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Chinese (zh)
Inventor
蔡爱民
崔泽衡
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SINOSTEEL HENGYANG MACHINERY CO Ltd
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SINOSTEEL HENGYANG MACHINERY CO Ltd
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Priority to CN 201320232473 priority Critical patent/CN203254016U/en
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Publication of CN203254016U publication Critical patent/CN203254016U/en
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Abstract

The utility model relates to a device assisting a common gear hobbing machine with arc-shaped gear machining. The device comprises a locating device for fixing a gear blank on a gear hobbing machine work table, a rail device embedded in the locating device, a hand wheel adjusting device, a profile molding device, an idler wheel device, and a tensioning device. The hand wheel adjusting device is fixedly connected with one side, far from a hobbing cutter, of the locating device, and one side, far from the hobbing cutter, of the rail device, and the hand wheel adjusting device can control the rail device to slide back and forth along the central connection line of a gear and the hobbing cutter. The profile molding device is fixedly connected with one side, close to the hobbing cutter, of the rail device. The idler wheel device is fixedly connected with a hobbing cuter stand, and can move along with the hobbing cutter stand in the axial direction of the gear. The tensioning device is connected with the gear hobbing machine work table through threads, and tensions and presses the profile molding device on the idler wheel device all the time. The contact faces of the profile molding device and the idler wheel device are provided with a work face, and the radian of the work face is totally uniform with that of a gear bus in the axial direction of the gear, so that the gear can move relative to the hobbing cutter in the radial direction.

Description

The device of auxiliary general hobbing machine processing arc gear wheel
Technical field
The utility model relates to a kind of device of auxiliary general hobbing machine processing arc gear wheel.
Background technology
Arc gear wheel, namely pitch circle line, root circle line are camber line, and the outline line of tooth is involute, and the bus of tooth is seen as the gear of cydariform from tooth top.It generally is used for the arc shaft coupling, is equivalent to spline joint at type of belt drive, and because the barreled tooth flank structure of arc gear wheel, two axles that can allow to be connected have certain radial deflection angle w.In the process of gear, the workbench of existing general hobbing machine is generally only done gyration, and hobboing cutter can only be along gear axially do feed motion, namely between the workpiece of processing and the cutter not along gear relative feed movement radially, therefore general gear-hobbing machine can't process the gear that on the longitudinal section of gear pitch circle line, root circle line are camber line.
Summary of the invention
The purpose of this utility model provides a kind of device of auxiliary general hobbing machine processing arc gear wheel.
The technical solution of the utility model is: a kind of device of auxiliary general hobbing machine processing arc gear wheel, comprise gear blank is fixed to positioner on the gear hobbing machine worktable, embed the rail set of positioner, be fixedly connected with away from the hobboing cutter side with rail set with positioner simultaneously, can handle the handwheel adjusting device that rail set slidably reciprocates along gear and the hobboing cutter line of centres, the copying apparatus that is fixedly connected with the close hobboing cutter side of rail set, and be fixedly connected with hob arbor carriage, can be along with the axially movable roller devices of hob arbor carriage along gear, and the take-up device that is threaded with gear hobbing machine worktable; Described take-up device all the time with the copying apparatus tension and compression on roller devices, the contacted face of described copying apparatus and roller devices be provided with one section along gear shaft to the on all four working face of the radian of gear bus so that gear can radially move relative to hobboing cutter along it.
Adopt the technical solution of the utility model, positioner is fixed on gear on the gear hobbing machine worktable, makes relatively gear hobbing machine worktable motion of gear.Handwheel adjusting device control rail set is towards the motion of hobboing cutter direction, so that the copying apparatus working face that is fixed on the rail set just contacts with roller devices before Gear Processing.Take-up device will indirectly be fixed on copying apparatus working face on the gear hobbing machine worktable and draw all the time and lean against on the roller devices in the process of gear, so that be fixed on the gear hobbing machine worktable gear along with hobboing cutter along gear shaft to move and produce along gear feeding radially, thereby process the on all four arc gear wheel of radian of bus and pattern working face.
The further preferred version of the utility model is: positioner comprises the first baffle plate and the second baffle that is adjacent to respectively gear both sides end face, pass the first baffle plate and the second plate washer, be provided with the positioning core axle of a plurality of cascaded surfaces vertically, along gear to the gear hobbing machine worktable direction, be sleeved on railroad shoe and supporting seat on the positioning core axle successively, be set in respectively positioning core axle two ends, cooperate positioning core axle cascaded surface with railroad shoe and supporting seat axial location the first nut and the first duplex nut on positioning core axle, described supporting seat is screwed in T-shaped groove of working table.
The further preferred version of the utility model is: rail set comprises two tracks that are located at respectively on railroad shoe and the gear centre side parallel with the hobboing cutter center line connecting direction, the guide rail that embed track, can slidably reciprocate towards the hobboing cutter direction, be fixed on guide rail away from the guide rail right baffle-plate that hobboing cutter side end face and central authorities are provided with through hole, be fixed on guide rail near the right baffle plate of guide rail of hobboing cutter side end face.
The further preferred version of the utility model is: the handwheel adjusting device comprises the first screw mandrel that is fixedly connected with railroad shoe back of the body hobboing cutter side, be sleeved on the nut sleeve that is connected on the first screw mandrel, with the first wire rod thread, be sleeved on successively handwheel, guide rail right baffle-plate, single direction thrust ball bearing on the nut sleeve and the second duplex nut towards the hobboing cutter direction; Described handwheel is fixedly connected with the nut sleeve keyway, can drive nut sleeve and rotate at the first screw mandrel; Nut sleeve excircle between handwheel and the guide rail right baffle-plate is provided with collar flange.
The further preferred version of the utility model is: copying apparatus comprises the pattern seat that is connected with the right baffle plate of guide rail, and is fixed in the pattern seat near the pattern on the hobboing cutter side inwall, and the working face of described copying apparatus is that pattern is away from the side of hobboing cutter side.
The further preferred version of the utility model is: described roller devices comprises the bearing that is fixedly connected with hob arbor carriage, is fixed on the rolling wheel support on the bearing, and the roller that is adjacent to all the time the pattern working face by the rolling wheel support clamping, in the Gear Processing process.
The further preferred version of the utility model is: take-up device comprises that an end is connected with the gear hobbing machine worktable bottom thread, the other end is supported on the second leading screw on the gear-hobbing machine support, axial support is on the gear-hobbing machine support, and be sleeved on the spring guide seat on the second leading screw, be sleeved on the spring that spring guide is done, be sleeved on the spring, and an end is supported on the first spring base on the spring guide seat, be sleeved on the first spring base, can along the first spring base excircle the second spring base in axial sliding, be sleeved on the second screw mandrel and exceed the second spring base section, assist the clamp nut of the second spring base Compress Spring.
Description of drawings
The device elevation cross-sectional view of the auxiliary general hobbing machine processing of Fig. 1 arc gear wheel
The device of the auxiliary general hobbing machine processing of Fig. 2 arc gear wheel is overlooked part sectioned view
The elevation cross-sectional view of Fig. 3 positioner
Fig. 4 positioning core axle front view
The profile that Fig. 5 does along Fig. 1 hatching
Fig. 6 handwheel adjusting device elevation cross-sectional view
Fig. 7 roller devices elevation cross-sectional view
Fig. 8 take-up device elevation cross-sectional view
The specific embodiment
The device with gear-hobbing machine processing arc gear wheel as illustrated in fig. 1 and 2 comprises gear positioning device 2, rail set 3, handwheel adjusting device 4, copying apparatus 5, roller devices 6 and take-up device 7.
In conjunction with Fig. 3 and shown in Figure 4, positioner 2 is installed on the gear hobbing machine worktable 8, vertically opposite with hobboing cutter, comprise being adjacent to respectively gear 1 away from the first baffle plate 211 of gear hobbing machine worktable 8 side end faces and being adjacent to gear 1 near the second baffle 212 of workbench 8 side end faces, pass the positioning core axle 22 of the first baffle plate 211 and the second plate washer 212.Positioning core axle 22 is 8 directions along gear 1 to gear hobbing machine worktable, are provided with successively the first cascaded surface 221, second-order tread 222, the 3rd cascaded surface 223 and quadravalence tread 224.The outside diameter of second-order tread 222 equals the outside diameter of the 3rd cascaded surface 223 but greater than the outside diameter of the first cascaded surface 221, the outside diameter of the 3rd cascaded surface 223 is greater than the outside diameter of quadravalence tread 224.Gear 1 blank is sleeved on the positioning core axle 22 between the first cascaded surface 221 and the second-order tread 222.Be set with pad on the positioning core axle 22 between the second plate washer 212 and the second-order tread 222.Part is set with the first nut 23 between the first cascaded surface 221 of positioning core axle 22 and the top end face, be set with briquetting 24 between the first nut 23 and the first baffle plate 211, the diameter of briquetting 24 endoporus is greater than positioning core axle 22 diameters between the first cascaded surface 221 and the second-order tread 222.Rotate the first nut 23, make the first nut 23 be adjacent to briquetting 24, briquetting 24 is pressed on gear 1 on the second-order tread 222 of positioning core axle 22.Be set with railroad shoe 25 on the positioning core axle 22 between second-order tread 222 and the 3rd cascaded surface 223, be set with supporting seat 26 on the positioning core axle 22 between the 3rd cascaded surface 223 and the quadravalence tread 224, part is set with duplex nut 27 between the quadravalence tread 224 of positioning core axle 22 and its bottom face, screw duplex nut 27, make duplex nut 27 be adjacent to the bottom surface of supporting seat 26, supporting seat 26 is pressed on the 3rd cascaded surface 223 of positioning core axle 22.Supporting seat 26 is screwed in the T-shaped groove of gear hobbing machine worktable 8.
In conjunction with shown in Figure 5, railroad shoe 25 cross sections roughly are square, and its two sides that are parallel to gear 1 and hobboing cutter center line connecting direction are provided with two rectangular-shaped tracks 31 that extend in the direction.Track 31 is embedded in guide rail 32, and the cross section of guide rail 32 is consistent with the channel-section steel cross section.Guide rail 32 is screwed the guide rail right baffle-plate 33 that central authorities are provided with through hole away from the hobboing cutter side, and guide rail 32 has been screwed the right baffle plate 34 of guide rail near the hobboing cutter side.
As shown in Figure 6, track base 25 is fixed with handwheel adjusting device 4 on the side away from the hob arbor carriage side, and described handwheel adjusting device comprises the first screw mandrel 41.The first screw mandrel 41 is threaded with track base 25 near an end of hobboing cutter side, it exceeds the part suit breach nut 42 of track base 25, breach nut 42 is screwed on track base 25, so that the first screw mandrel 41 is fixedly connected on the track base 25, can not rotate relative to track base 25.The first screw mandrel 41 is provided with ladder hole nut sleeve 43 away from the end suit central authorities of hobboing cutter side.Be set with successively handwheel 44 towards the hobboing cutter direction on the nut sleeve 43, guide rail right baffle-plate 33, single direction thrust ball bearing 45, and the second duplex nut 46.Handwheel 44 is fixedly connected with nut sleeve 43 keyways.Nut sleeve 43 excircles between handwheel 44 and the guide rail right baffle-plate 33 are provided with collar flange 431.Single direction thrust ball bearing 45 inner rings and nut sleeve 43 interference fits are so that single direction thrust ball bearing 45 inner rings that can drive of nut sleeve 43 rotate.Rotation hand wheel 44, handwheel 44 just can drive nut sleeve 43 in 41 rotations of the first screw mandrel, when nut sleeve 43 moves to the hobboing cutter direction, collar flange 431 on the nut sleeve 43 will push away guide rail right baffle-plate 33 drive guide rails 32 and move to hob arbor carriage, when nut sleeve 43 moves away from the hobboing cutter direction, be sleeved on the second duplex nut 46 on the nut sleeve 43 can haul again guide rail right baffle-plate 33 drive guide rails 32 towards away from hobboing cutter to movement.
As shown in Figure 7, copying apparatus 5 comprises the pattern seat 51 that is connected with the right baffle plate 34 of guide rail.Pattern seat 51 is provided with the through hole that is rectangle perpendicular to guide rail 32 and cross section.Pattern seat 51 has been screwed pattern 52 near on the inwall of hobboing cutter.Pattern 52 is provided with one section along gear 1 axially and the on all four working face of radian of gear 1 bus away from the side of hobboing cutter side,
Roller devices 6 comprise with hob arbor carriage be fixedly connected with, can be along with the carrier base 61 of hob arbor carriage along the axially-movable of gear 1, the rolling wheel support 62 that is fixedly connected with carrier base 61, rolling wheel support 62 stretches out two support arms that rollers 63 are installed towards the gear direction.In the process of gear 1, roller 63 is adjacent to the working face of pattern 52 all the time.
As shown in Figure 8, take-up device 7 comprises that an end is connected with gear hobbing machine worktable 8 bottom thread, the other end is supported on the second leading screw 71 on the gear-hobbing machine support 9.Stepped brace table 72 of suit on the second screw mandrel 71, the endoporus matched in clearance of the small end of brace table 72 and gear-hobbing machine support 9, large end is supported on the axial end away from the hobboing cutter side of gear-hobbing machine support 9.Brace table 72 is supported with the spring guide seat 73 that is sleeved on the second leading screw 71.Spring 74 is set with spring 74 on the spring guide seat 73, so that can move back and forth along spring guide seat 73.Spring guide seat 73 is supported with the first spring base 75 that is sleeved on the spring 74.Being set with on the first spring base 75 can be along axially movable the second spring base 76 of the first spring base 75 excircles.The first spring base 75 faces brace table 72 ends and seals, and the second spring base 76 deviates from brace table 72 ends and seals.The part that the second screw mandrel 71 exceeds the second spring base 74 is set with clamp nut 77, from spring 74 is pressed between the second spring base 76 and the spring guide seat 73.
The course of work of this device is:
1, adjusting handle 44, make pattern seat 51 retreat to the appropriate location, adjust the second screw mandrel 71 with gear hobbing machine worktable 8 reaches again, make gear 1 cylindrical and hobboing cutter tangent.
2, adjusting handle is so that roller 63 is adjacent to the working face of pattern 52.
3, rotatably compress nut 76, promote the second spring base 74 Compress Springs 75.
4, start hobboing cutter, begin to process arc gear wheel.
The bus of arc gear wheel is towards the heaving of hobboing cutter direction, and then has towards the depression of hobboing cutter direction on corresponding pattern 52 working faces.Along with hobboing cutter gear 1 axis moves to the gear hobbing machine worktable direction, roller 63 can advance to the sunk area of pattern 52 working faces, at this moment the spring 74 that compresses in the take-up device heads on the second spring base 76 and drives the second screw mandrel 71 edges that are threaded with clamp nut 77 and deviate from the hobboing cutter direction and move, the second leading screw 71 can drive again the pattern 52 that indirectly is fixed on the gear hobbing machine worktable 8 and deviate from the motion of hobboing cutter direction, contacts so that pattern 52 remains with roller 63.Also drive simultaneously the gear 1 that indirectly is fixed on the gear hobbing machine worktable 8 and deviate from the motion of hobboing cutter direction, so just be equivalent to hobboing cutter and produced radial feed away from gear 1, thereby process the on all four arc gear wheel 1 of radian of bus and pattern 52 working faces.

Claims (7)

1. the device of an auxiliary general hobbing machine processing arc gear wheel comprises gear (1) blank is fixed to positioner (2) on the gear hobbing machine worktable (8), it is characterized in that:
Also comprise the rail set (3) that embeds positioner (2), simultaneously be fixedly connected with, can handle the handwheel adjusting device (4) that rail set (3) slidably reciprocates along gear (1) and the hobboing cutter line of centres with positioner (2) and rail set (3) away from the hobboing cutter side, the copying apparatus (5) that is fixedly connected with the close hobboing cutter side of rail set (3), and be fixedly connected with hob arbor carriage, can be along with the axially movable roller devices (6) of hob arbor carriage along gear (1), and the take-up device (7) that is threaded with gear hobbing machine worktable (8);
Described copying apparatus (5) and the contacted face of roller devices (6) are provided with one section along gear (1) axially and the on all four working face of radian of gear (1) bus, described take-up device (7) all the time with all the time tension and compression of copying apparatus (5) on roller devices (6), so that gear (1) can radially move relative to hobboing cutter along it.
2. auxiliary general hobbing machine according to claim 1 is processed the device of arc gear wheel, described positioner (2) comprises the first baffle plate (211) and the second baffle (212) that is adjacent to respectively gear (1) both sides end face, pass the first baffle plate (211) and the second plate washer (212), be provided with vertically the positioning core axle (22) of a plurality of cascaded surfaces, along gear (1) to gear hobbing machine worktable (8) direction, be sleeved on successively railroad shoe (25) and supporting seat (26) on the positioning core axle (22), be set in respectively the two ends of positioning core axle (22), the cascaded surface of cooperation positioning core axle (22) is the first nut (23) and the first duplex nut (27) on positioning core axle (22) with railroad shoe (25) and supporting seat (26) axial location, and described supporting seat (26) is screwed in the T-shaped groove of workbench (8).
3. auxiliary general hobbing machine according to claim 2 is processed the device of arc gear wheel, described rail set (3) comprises two tracks (31) that are located at respectively on railroad shoe (25) and the side parallel with the hobboing cutter center line connecting direction, gear (1) center, the guide rail (32) that embed track (31), can slidably reciprocate towards the hobboing cutter direction, be fixed on guide rail (32) away from the guide rail right baffle-plate (33) that hobboing cutter side end face and central authorities are provided with through hole, be fixed on guide rail (32) near the right baffle plate of guide rail (34) of hobboing cutter side end face.
4. auxiliary general hobbing machine according to claim 3 is processed the device of arc gear wheel, described handwheel adjusting device (4) comprises the first screw mandrel (41) that is fixedly connected with railroad shoe (25) back of the body hobboing cutter side, be sleeved on the nut sleeve (43) that the first screw mandrel (41) is upper, be threaded with the first screw mandrel (41), be sleeved on successively handwheel (44), guide rail right baffle-plate (33), single direction thrust ball bearing (45) on the nut sleeve (43) and the second duplex nut (46) towards the hobboing cutter direction; Described handwheel (44) is fixedly connected with nut sleeve (43) keyway, can drive nut sleeve (43) and rotate at the first screw mandrel (41); Nut sleeve (43) excircle between handwheel (44) and the guide rail right baffle-plate (33) is provided with collar flange (431).
5. auxiliary general hobbing machine according to claim 3 is processed the device of arc gear wheel, described copying apparatus (5) comprises the pattern seat (51) that is connected with the right baffle plate of guide rail (34), and being fixed in pattern seat (51) near the pattern (52) on the hobboing cutter side inwall, the working face of described copying apparatus (5) is that pattern (52) is away from the side of hobboing cutter side.
6. auxiliary general hobbing machine according to claim 5 is processed the device of arc gear wheel, described roller devices (6) comprises the bearing (61) that is fixedly connected with hob arbor carriage, be fixed on the rolling wheel support (62) on the bearing (61), and the roller (63) that is adjacent to all the time pattern (52) working face by rolling wheel support (62) clamping, in gear (1) process.
7. process according to claim 1 the device of arc gear wheel to the described auxiliary general hobbing machine of 6 any one, described hold down gag (7) comprises that an end is connected with gear hobbing machine worktable (8) bottom thread, the other end is supported on the second leading screw (71) on the gear-hobbing machine support (9), axial support is on gear-hobbing machine support (9), and be sleeved on the spring guide seat (73) on the second leading screw (71), be sleeved on the spring (74) on the spring guide seat (73), be sleeved on the spring (74), and an end is supported on the first spring base (75) on the spring guide seat (73), be sleeved on (75) on the first spring base, can along the first spring base (75) excircle the second spring base (76) in axial sliding, be sleeved on the second screw mandrel (71) and exceed the second spring base (76) section, assist the clamp nut (77) of the second spring base (76) Compress Spring (74).
CN 201320232473 2013-05-02 2013-05-02 Device assisting common gear hobbing machine with arc-shaped gear machining Expired - Fee Related CN203254016U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252537A (en) * 2013-05-02 2013-08-21 中钢集团衡阳重机有限公司 Device assisting ordinary gear hobbing machine in machining arc-shaped gear
CN103600133A (en) * 2013-11-13 2014-02-26 中国北方车辆研究所 Big-modulus face gear processing fixture
CN104400143A (en) * 2014-10-30 2015-03-11 刘文生 Cylindrical step type gear shaping clamp
CN108115223A (en) * 2017-11-28 2018-06-05 江阴市永兴机械制造有限公司 A kind of chain digital control gear hobbing machine automatic charging technique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252537A (en) * 2013-05-02 2013-08-21 中钢集团衡阳重机有限公司 Device assisting ordinary gear hobbing machine in machining arc-shaped gear
CN103600133A (en) * 2013-11-13 2014-02-26 中国北方车辆研究所 Big-modulus face gear processing fixture
CN103600133B (en) * 2013-11-13 2016-02-10 中国北方车辆研究所 A kind of large modulus face clamping apparatus for gear wheel processing
CN104400143A (en) * 2014-10-30 2015-03-11 刘文生 Cylindrical step type gear shaping clamp
CN108115223A (en) * 2017-11-28 2018-06-05 江阴市永兴机械制造有限公司 A kind of chain digital control gear hobbing machine automatic charging technique
CN108115223B (en) * 2017-11-28 2019-07-12 江阴市永兴机械制造有限公司 A kind of chain digital control gear hobbing machine automatic charging technique

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20131030

Termination date: 20180502