CN109014445A - A kind of gear shaft hobbing positioning device - Google Patents
A kind of gear shaft hobbing positioning device Download PDFInfo
- Publication number
- CN109014445A CN109014445A CN201811012120.8A CN201811012120A CN109014445A CN 109014445 A CN109014445 A CN 109014445A CN 201811012120 A CN201811012120 A CN 201811012120A CN 109014445 A CN109014445 A CN 109014445A
- Authority
- CN
- China
- Prior art keywords
- circlip
- gear
- gear shaft
- pedestal
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a kind of gear shaft hobbing positioning devices, including circlip, pedestal, bushing, key, gear shaft, gear and transmission shaft, pedestal is hollow shaft sleeve, circlip is arranged in pedestal, circlip top is connect by bushing with pedestal, circlip upper section is positioning section, positioning section offers positioning section inner hole, positioning section inner hole and oil pump driving gearshaft clearance fit, the outer peripheral surface of positioning section is the conical surface of retracted downward, the conical surface is adapted with the conical surface of bushing inner hole, the upper section of circlip radially opens telescopic chute, it is connected by key in the middle part of circlip with pedestal, the external screw thread of circlip and the internal screw thread of gear shaft connect, gear shaft is engaged with gear, gear transmits power by transmission shaft, realize that gear shaft excircle orientation clamps positioning using cone undergauge principle, realize that force direction changes using gear drive, positioning device structure is easy to operate , positioning is reliable, realizes oil pump driving gearshaft gear hobbing process.
Description
Technical field
The invention belongs to gear machining technology fields, and in particular to a kind of gear shaft hobbing positioning device.
Background technique
Oil pump driving gearshaft is solid shafting, is made of big cylinder, gear and 3 part of small column, when processing gear, is needed
Oil pump driving gearshaft is positioned, since the stroke of gear hobbing lathe hobcutter requires, gear hobbing positioning device is not easy
Design.Certain machine oil pump driving gearshaft shown in double dot dash line, is positioned, small column positioning compression as shown in figure 1 with gear lower end surface,
The range demands of gear hobbing lathe hobcutter are greater than 250mm from working position to workbench direction, and the positioning compression of fixture is in 250mm
Root circle dimension D 0 is all not greater than in range, positioning compression mechanism limited space is processed on oil pump driving gearshaft at present
Gear hobbing when, clamped to the method for oil pump driving gearshaft other end connecting working table using several cramp frame one end to lubricating oil
Pump drive gear axis is positioned, and when carrying out gear hobbing process, needs the position according to processing, constantly adjusts the position of cramp frame,
Make cramp frame that can play clamping action and interfere with cutting tool, it is cumbersome.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of gear shaft hobbing positioning devices, to solve lubricating oil pump drive
Positioning device inconvenient problem when gear shaft hobbing is processed.
In order to achieve the above objectives, a kind of gear shaft hobbing positioning device of the present invention includes circlip and pedestal, and circlip is set
It sets in pedestal, circlip top is connect by bushing with pedestal, and circlip upper section is positioning section, and positioning section offers in positioning section
Hole, positioning section inner hole and oil pump driving gearshaft clearance fit, the outer peripheral surface of positioning section are the conical surface of retracted downward, the conical surface
It is adapted with the conical surface of bushing inner hole, the top of circlip is radially provided with telescopic chute, is connected by key, blocks with pedestal in the middle part of circlip
The external screw thread of spring lower section and the internal screw thread of gear shaft connect, and gear shaft is located in pedestal, and gear shaft is engaged with gear, and gear is by passing
Moving axis transmits power.
It further, further include baffle, baffle plate setting is in pedestal lower end.
Further, peep hole is provided on baffle, the diameter of peep hole is less than the outer diameter of gear shaft.
Further, the outer peripheral surface diameter on pedestal top is less than the root diameter of oil pump driving gearshaft.
Further, the taper of the outer peripheral surface of positioning section is 20 °~30 °.
Further, pedestal upper end is equipped with and allows aperture.
Further, circlip selects T8A carbon tool steel to be made.
Further, technology groove is offered on bushing, technology groove is wider than the width of key.
Further, positioning section lower end is the first linkage section, and the wall thickness of the first linkage section is 2mm~3mm.
Further, pedestal lower end is provided with the gear grooved for accommodating gear.
Compared with prior art, the present invention at least has technical effect beneficial below, is realized using cone undergauge principle
Gear shaft excircle orientation clamps positioning, realizes that force direction changes using gear drive, and positioning device structure is easy to operate,
Positioning is reliable, facilitates oil pump driving gearshaft gear hobbing process.
It further, further include baffle, baffle plate setting is flushed in pedestal lower end, outer circle with the big disk outer circle of pedestal, and
With screws tighten, guarantee that gear shaft is movable in certain space.
Further, peep hole is provided on baffle, the diameter of peep hole is less than the outer diameter of gear shaft, so that sundries is discharged,
And observe the state of gear shaft.
Further, the outer peripheral surface diameter on pedestal top is less than the root diameter of oil pump driving gearshaft, in order to protect
It is not interfered with cutter when card processing tooth form.
Further, the taper of the outer peripheral surface of positioning section is unilateral 10 °~15 °.Because unilateral cone angle has to be larger than self-locking
7.5 ° of angle, but bevel protractor can not be too big, otherwise on the one hand clamping force can be made to increase, on the other hand can make the diameter of clamp structure
Increase to size, hampers the stroke of hobcutter.
Further, pedestal upper end is equipped with and allows aperture, when getting out of the way hole depth and guaranteeing that circlip holds oil pump driving gearshaft tightly
Lower than pedestal upper surface.
Further, circlip selects T8A carbon tool steel to be made, not easy to wear in order to keep circlip durable.
Further, technology groove is offered on bushing, technology groove is wider than the width of key, to make circlip smooth with key
It is packed into pedestal, until bushing inner conical surface is bonded completely with circlip male cone (strobilus masculinus).
Further, positioning section lower end is the first linkage section, and the wall thickness of the first linkage section is 2mm~3mm, cannot be too thin,
Can not be too thick, too thin rigidity is insufficient, is easy torsion, too thick positioning section is not susceptible to deform.
Further, pedestal lower end is provided with the gear grooved for accommodating gear, and whole device forms an entirety.
Detailed description of the invention
Fig. 1 is tool for rolling-off gear teeth and its oil pump driving gearshaft structural schematic diagram；
Fig. 2 is the structural schematic diagram of lower circlip 1 in the present invention；
Fig. 3 is that the A-A of lower circlip 1 in the present invention cuts open schematic diagram；
Fig. 4 is the B of lower circlip 1 in the present invention to schematic diagram；
Fig. 5 is the structural representation of pedestal 2 in the present invention；
Fig. 6 is the A of pedestal 2 in the present invention to schematic diagram；
Fig. 7 is the structural schematic diagram of bushing 3 in the present invention；
Fig. 8 is the structural schematic diagram of middle gear axis 5 of the present invention；
Fig. 9 is the structural schematic diagram of middle gear 6 of the present invention；
Figure 10 is the A-A schematic cross-sectional view of middle gear 6 of the present invention；
Figure 11 is the structural schematic diagram of transmission shaft 7 in the present invention；
Figure 12 is the A of transmission shaft 7 in the present invention to schematic diagram；
Figure 13 is the structural schematic diagram of baffle 8 in the present invention.
In attached drawing: 1, circlip, 2, pedestal, 3, bushing, 4, key, 5, gear shaft, 6, gear, 7, transmission shaft, 8, baffle, 81,
Peep hole, 82, fixation hole, 9, oil pump driving gearshaft, 11, positioning section, 111, positioning section inner hole, 112, telescopic chute, 12,
One linkage section, 121, undercut, 13, boot segment, the 131, first keyway, 14, thread segment, 21, roundlet shell of column, 211, roundlet shell of column
Inner hole, the 22, second linkage section, 23, big disk section, 231, big cylindrical section inner hole, 232, gear grooved.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " contain
Justice is two or more.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1, a kind of gear shaft hobbing positioning device utilizes cone undergauge principle, and gear drive changes force direction
The gear shaft hobbing positioning device of characteristic design, which includes circlip 1, pedestal 2, bushing 3, key 4, gear shaft 5, gear
6, transmission shaft 7, baffle 8, nut and attachment screw.
Referring to Figure 2 to Figure 4, circlip 1 is quill.In Fig. 2, be followed successively by from top to bottom positioning section 11, the first linkage section 12,
Boot segment 13 and thread segment 14.Wherein, 111 diameter of positioning section inner hole is D1a, positioning section inner hole 111 and lubricating oil pump drive gear
Axis positions the clearance fit that outer circle is H7/f7, and the length of positioning section is approximately equal to 1 times of D1a.The lower end of the inner hole 111 of positioning section
For undercut, the diameter ratio big 6mm~8mm of D1a of undercut 121, the D1a that the length of undercut 121 is 2 times.Positioning section 11
For outer peripheral surface at 20~30 degree of conical surfaces, the conical surface is identical as the taper of the conical surface of 3 inner hole of bushing.As shown in figure 4, in order to elasticity
Deformation is radially provided with 3 groups of uniformly distributed telescopic chutes of wide 2~3mm 112 on its top, and depth is not more than the depth of undercut.Card
1 top of spring fluting plays the role of positioning diameter flexible.
The external cylindrical surface of first linkage section 12 is to get out of the way face, is 2~3mm, this size with the wall thickness that undercut diameter is formed
It is related with the diameter of bore D1a of positioning section, it is empirically determined according to years of work, cannot be too thin, can not be too thick, too thin rigidity is not
Foot, is easy torsion, and too thick positioning section is not easy to realize deformation retract.
Referring to Fig. 2, circlip side offers keyway 122, is connected circlip 1 and pedestal 2 by key, when gear 6 rotates,
Make gear shaft 5 that circlip 1 be driven only to axially move, does not do circumferential movement.
Exempt from as external cylindrical surface, diameter D1b, the inner hole H7/f7 clearance fit with pedestal 2, gap the periphery of boot segment
Big palpulus makes circlip slide axially flexibly.As shown in figure 3, the first keyway 131 is opened in the middle part of external cylindrical surface, the interference fit dress of key 4
Enter the first keyway 131, and uses screws tighten.The screw thread M1 of thread segment and the screw thread M5 of gear shaft 5 cooperate.
1 remaining hole of inside of circlip is lightening hole, determines that the first linkage section, boot segment, thread segment must be made by mitigating bore dia
Uniform wall thickness, and it is rigid enough.It is not easy to wear in order to keep circlip 1 durable, 1 material selection T8A of circlip.
Referring to Fig. 5, pedestal 2 is hollow shaft sleeve, is followed successively by roundlet shell of column 21, the second linkage section 22 and big disk from top to bottom
Section 23, the total height of pedestal 2 are determined by machine tool travel.
211 diameter of roundlet shell of column inner hole is D2a, the interference fit that the outer diameter D 3a with bushing 3 is H7/p6, depth and bushing
3 height is consistent.The inner hole upper and lower ends of roundlet shell of column 21, which are respectively equipped with, allows aperture and undercut, allows the hole of aperture and undercut
Diameter is both greater than D2a, to guarantee the positioning of gear shaft end face, gets out of the way hole depth and guarantees to be lower than when circlip holds oil pump driving gearshaft tightly
2 2~3mm of upper surface of pedestal, setting undercut are the inner holes for the ease of processing roundlet shell of column 21.When in order to guarantee to process tooth form
It is not interfered with cutter, the outer peripheral surface of roundlet shell of column 21 is cylindrical surface, and the outer peripheral surface diameter D2b of roundlet shell of column 21 compares oil pump
The root diameter D0 of driving gearshaft is small.It is provided with the annular groove 212 of wide 10mm depth 2mm in the middle part of 21 external cylindrical surface of roundlet shell of column, makees
For the centering circle of fixture.
The upper section inner hole of second linkage section 22 is to allow aperture, and diameter is less than the inner hole of roundlet shell of column, is greater than the first connection
The outer diameter of section.The inner hole of second linkage section and the boot segment external cylindrical surface of circlip 1 are H7/f7 clearance fit；Such as Fig. 5 and Fig. 6 institute
Show, the second keyway 221 and 4 clearance fit of key are radially opened in the inner hole of the second linkage section.When determining external cylindrical surface diameter,
Guarantee the rigidity of pedestal 2 enough.
The inner hole 231 of big disk section 23 is used for interior loading gear shaft 5, and has the gap of 2~3mm, and gear shaft 5 screws in circlip
1 thread segment is until be against the upper surface of inner hole 231.Referring to Fig. 6, it is the tooth that B2 height is H2 that, which there is width in the centre of big disk section,
Race 232, B2 are 8~10mm bigger than the outer diameter D 6a of gear 6, the side of the inner hole D2d of depth penetration disk segments 23, height H2
It is that gear 6 is packed into big disk, gear 6 and gear grooved 232 is made to form the clearance fit of H11/h11.When gear 6 and gear shaft
When 5 engagement, the center of gear 6 is step hole site at this time.Gear shaft 6 and pedestal 2 are connected to one by transmission shaft 7
It rises.
Three lathe connecting holes circumferentially uniformly distributed along pedestal 2 are opened in great circle disk.
Referring to Fig. 7, bushing 3 is an interior pore area cone and outer diameter is the axle sleeve of cylinder, the outer diameter D 3a interference fit of bushing 3
It is pressed into the inner hole 31 of 2 positioning section of pedestal, and is bonded with the lower end surface of the inner hole of small cylindrical section in pedestal 2.The conical surface of inner hole with
The male cone (strobilus masculinus) of circlip 2 is consistent, and carries out dye penetrant inspection, it is desirable that fitting completely.In the conical surface length >=card for the inner hole for guaranteeing bushing 3
1 male cone (strobilus masculinus) length post-processing cylinder of spring is by aperture.The inner hole of bushing 3 opens a technology groove, and groove width is greater than the width of key 4, so as to
Circlip 1 is allowed smoothly to be packed into pedestal 2 with key 4, until 3 inner conical surface of bushing is bonded completely with 1 male cone (strobilus masculinus) of circlip.
Referring to Fig. 8, gear shaft 5 is hollow Step Shaft.The screw thread M5 of gear shaft 5 is screwed in the screw thread M1 of circlip 1, on
End is bonded with the inner hole upper surface of the big disk section 23 of pedestal 2.Lower end surface is higher than 2~3mm of lower end surface of pedestal 2.
Referring to Fig. 9 and Figure 10, gear 6 is the annulus part that square hole is opened in centre.Gear 6 is pushed into the B2 slot of pedestal 2, with
Gear shaft 5 engages, and height H6 and the height H2 of pedestal 2 excessively cooperate, precision H11/h11.The side length K6 of square hole and transmission
The square axis side length K7 of 7 interlude of axis is the transition fit of H7/n6.
Referring to Fig.1 1 to Figure 13, transmission shaft 7 is Step Shaft of the intermediate and lower end at four directions.Transmission shaft 7 is set to pass through gear 6
Square hole K6, and in the stepped hole of inserted base 2, then transmission shaft 7 is connect with bolt washer with pedestal, prevents transmission shaft
The clearance fit that 7 abjections, the axis upper diameter D7a and lower end side length D7b of transmission shaft 7 and the stepped hole of pedestal 2 are H7/f7.
Referring to Fig.1 4, baffle 8 is a disk.It is bonded when assembly with the lower end surface of pedestal 2, the big disk of outer circle and pedestal 2
Outer circle flushes, and with screws tighten, guarantees that gear shaft 5 is movable in certain space.Centre is provided with peep hole 81 to be discharged
Sundries, and observe the state of gear shaft 5.Fixation hole 82 is opened in the installation site of transmission shaft 7, is that the screw of fixed conveyor axis 7 is pacified
Dress allows open position.
Application method of the invention is: press above structure assembly circlip 1, pedestal 2, bushing 3, key 4, gear shaft 5, gear 6,
Transmission shaft 7 and baffle 8；Then, under 1 free state of circlip, the small column insertion circlip 1 of oil pump driving gearshaft is positioned
In the inner hole of section, the positioning end face of gear shaft 5 is bonded with the upper surface of pedestal 2；Transmission shaft 7, band movable tooth are rotated clockwise at this time
Wheel 6 and gear shaft 5 rotate clockwise, and gear shaft 5 is made to drive circlip 1 axially downward, when gear 6 and gear shaft 5 are axial
It is mobile restricted, and by limited time, circlip 1 moves down circlip 2 along axial direction, causes the hole D1a of circlip 1 for rotational motion under the action of key 4
It is reduced under conical surface effect, gripping pinion small column, the positioning compression of oil pump driving gearshaft is completed.This tool operation side
Just, convenient power-saving, and providing for similar problems can experience for reference.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of gear shaft hobbing positioning device, which is characterized in that including circlip (1) and pedestal (2), circlip (1) is arranged the bottom of at
In seat (2), circlip (1) top is connect by bushing (3) with pedestal (2), and circlip (1) upper section is positioning section (11), positioning section
(11) it offers positioning section inner hole (111), positioning section inner hole (111) and oil pump driving gearshaft (9) clearance fit, positioning section
(11) outer peripheral surface is the conical surface of retracted downward, which is adapted with the conical surface of bushing (3) inner hole, the top edge of circlip (1)
Radial direction is provided with telescopic chute (112), is connected with pedestal (2) by key (4) in the middle part of circlip (1), the external screw thread and tooth of circlip (1) lower section
The internal screw thread of wheel shaft (5) connects, and gear shaft (5) is located in pedestal (2), and gear shaft (5) is engaged with gear (6), and gear (6) is by passing
Moving axis (7) transmits power.
2. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that pedestal (2) lower end is provided with
Baffle (8).
3. a kind of gear shaft hobbing positioning device according to claim 2, which is characterized in that baffle is provided with observation on (8)
Hole (81), the diameter of peep hole (81) are less than the outer diameter of gear shaft (5).
4. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that the periphery on pedestal (2) top
Face diameter is less than the root diameter of oil pump driving gearshaft (9).
5. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that the outer peripheral surface of positioning section (11)
Taper be 20 °~30 °.
6. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that pedestal (2) upper end is equipped with and allows
Aperture.
7. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that circlip (1) T8A carbon work
Tool steel is made.
8. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that bushing offers work on (3)
Skill slot, technology groove are wider than the width of key (4).
9. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that positioning section (11) lower end is the
One linkage section (12), the wall thickness of the first linkage section (12) are 2mm~3mm.
10. a kind of gear shaft hobbing positioning device according to claim 1, which is characterized in that pedestal (2) lower end is provided with
For accommodating the gear grooved (232) of gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012120.8A CN109014445A (en) | 2018-08-31 | 2018-08-31 | A kind of gear shaft hobbing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012120.8A CN109014445A (en) | 2018-08-31 | 2018-08-31 | A kind of gear shaft hobbing positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109014445A true CN109014445A (en) | 2018-12-18 |
Family
ID=64622671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811012120.8A Pending CN109014445A (en) | 2018-08-31 | 2018-08-31 | A kind of gear shaft hobbing positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109014445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054962A (en) * | 2019-12-25 | 2020-04-24 | 西安昆仑工业（集团）有限责任公司 | Milling head for milling inner cavity curve groove |
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| CN201405083Y (en) * | 2009-03-11 | 2010-02-17 | 济南玫德铸造有限公司 | Clamping device for steel tube processing |
| CN201470921U (en) * | 2009-07-06 | 2010-05-19 | 夏福初 | Fast fixture |
| CN201913329U (en) * | 2011-01-05 | 2011-08-03 | 无锡威孚中意齿轮有限责任公司 | Hydraulic tool of gear hobbing machine |
| CN203062004U (en) * | 2012-12-25 | 2013-07-17 | 重庆机床(集团)有限责任公司 | Gear hob jig applied to shaft gear parts |
| CN104245195A (en) * | 2012-02-20 | 2014-12-24 | 安卡有限公司 | Collet adaptor |
| CN204262840U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Pinpoint gear shaft stepping rotates clamping tooling |
| CN205200588U (en) * | 2015-11-16 | 2016-05-04 | 浙江三鸥机械股份有限公司 | Chuck |
| CN206622648U (en) * | 2017-03-31 | 2017-11-10 | 平阳县尚伟笔业有限公司 | Nib processing and positioning device |
| CN207534096U (en) * | 2017-12-01 | 2018-06-26 | 四川神鸼精工科技有限公司 | A kind of gear shaping spring chuck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080169618A1 (en) * | 2007-01-12 | 2008-07-17 | Sil Han | Positive release collet |
| CN201405083Y (en) * | 2009-03-11 | 2010-02-17 | 济南玫德铸造有限公司 | Clamping device for steel tube processing |
| CN201470921U (en) * | 2009-07-06 | 2010-05-19 | 夏福初 | Fast fixture |
| CN201913329U (en) * | 2011-01-05 | 2011-08-03 | 无锡威孚中意齿轮有限责任公司 | Hydraulic tool of gear hobbing machine |
| CN104245195A (en) * | 2012-02-20 | 2014-12-24 | 安卡有限公司 | Collet adaptor |
| CN203062004U (en) * | 2012-12-25 | 2013-07-17 | 重庆机床(集团)有限责任公司 | Gear hob jig applied to shaft gear parts |
| CN204262840U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Pinpoint gear shaft stepping rotates clamping tooling |
| CN205200588U (en) * | 2015-11-16 | 2016-05-04 | 浙江三鸥机械股份有限公司 | Chuck |
| CN206622648U (en) * | 2017-03-31 | 2017-11-10 | 平阳县尚伟笔业有限公司 | Nib processing and positioning device |
| CN207534096U (en) * | 2017-12-01 | 2018-06-26 | 四川神鸼精工科技有限公司 | A kind of gear shaping spring chuck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111054962A (en) * | 2019-12-25 | 2020-04-24 | 西安昆仑工业（集团）有限责任公司 | Milling head for milling inner cavity curve groove |
| CN111054962B (en) * | 2019-12-25 | 2021-07-06 | 西安昆仑工业（集团）有限责任公司 | Milling head for milling inner cavity curve groove |
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Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |