CN207358296U - A kind of clamping device for gear-hobbing machine - Google Patents
A kind of clamping device for gear-hobbing machine Download PDFInfo
- Publication number
- CN207358296U CN207358296U CN201721056376.XU CN201721056376U CN207358296U CN 207358296 U CN207358296 U CN 207358296U CN 201721056376 U CN201721056376 U CN 201721056376U CN 207358296 U CN207358296 U CN 207358296U
- Authority
- CN
- China
- Prior art keywords
- grip slipper
- gear
- slide unit
- sliding seat
- clamping device
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of clamping device for gear-hobbing machine, including engine base, the grip slipper being rotationally connected with the engine base one, the centration axis being horizontally placed on the grip slipper one, grip slipper two, top, the actuator being arranged on the grip slipper two, sliding seat, the stent being arranged on the sliding seat are provided with the engine base.The utility model has the following advantages and effect：Using setting grip slipper one and grip slipper two on engine base, material is placed in the locating slot of stent, centration axis on grip slipper one is pushed against in one end of material, top abutting on grip slipper two is in the other end of material, material is clamped, actuator driving grip slipper two is moved close to grip slipper one, after material moves under the top promotion of grip slipper two towards grip slipper one, depart from the locating slot on stent, gear hobbing process is carried out to material again, has been reached easy to the effect to material positioning, raising processing efficiency.
Description
Technical field
It the utility model is related to gear machining technology field, more particularly to a kind of clamping device for gear-hobbing machine.
Background technology
Gear-hobbing machine is most widely used a kind of lathe in Gear Processing machining tool, on gear-hobbing machine machinable straight-tooth,
Helical gears, can also machining worm wheel, sprocket wheel etc..With hobboing cutter by generating processing straight-tooth, helical teeth and double helical tooth roller gear
And the gear cutting machine of worm gear.The structure of gear-hobbing machine includes rack, hobboing cutter main shaft, the main electricity for driving hobboing cutter main axis
Machine, the fixture for clamping material, drive fixture to the motor that rotates, hobboing cutter is provided with hobboing cutter main shaft, hobboing cutter is rotated in fixture
Material is cut.
Application publication number is the Chinese patent of CN203900638U《A kind of clamp base of gear-hobbing machine and its driving are top》
Disclose that clamp base and its driving of a kind of gear-hobbing machine are top, and driving is top including driver plate and fixed seat, the driver plate it is upper
End face is evenly arranged with several moving teeth, and the center of driver plate forms axially extending bore, top, the top is provided with axially extending bore
For the cylindrical axial plane and axially extending bore of point to be slidably matched, the driver plate lower end is installed on the upper end of fixed seat by ring flange, Gu
The lower part of reservation is provided with the flange coordinated with clamp base, is provided with the top top upwards in the vertical core in the middle part of fixed seat
The spring spiro rod component risen.
But top there are problems with for above-mentioned clamp base and its driving：Top using above-mentioned clamp base and driving
When clamping material, it is top to hold with a hand material alignment so that material and the top state in coaxial line, when operation need worker
With the naked eye caliberator discharge position, processing efficiency are low.
Utility model content
The purpose of this utility model is to provide a kind of clamping device for gear-hobbing machine, has easy to positioning materials, improves
The effect of processing efficiency.
The above-mentioned technical purpose of the utility model technical scheme is that：It is a kind of for gear-hobbing machine
Clamping device, including engine base, be rotationally connected with the engine base grip slipper one, be horizontally placed on the grip slipper one and be used for
The centration axis for pushing against material one end end, the grip slipper two being arranged on the engine base, be arranged on the grip slipper two and position
In on the centration axis axis be used for push against material other end end it is top, for driving the grip slipper two along the centering
Axis axially adjacent to or away from the grip slipper one actuator, the grip slipper one close to the grip slipper two end face set peace
Hole is filled, the centration axis sliding is plugged in the mounting hole, one end is provided with the mounting hole and is fixed on the mounting hole
Inner wall and the other end are fixed on the resetting spring one in the centration axis, be provided with the engine base sliding seat, be arranged at it is described
Stent on sliding seat, the pedestal upper end is provided with to be used to place thing between the grip slipper one and the grip slipper two
The locating slot of material.
By using above-mentioned technical proposal, material is the axis with boss at middle part, the clamping device work for gear-hobbing machine
When making, material is placed on stent, one end of material is contacted in centration axis, and actuator drives grip slipper two close to grip slipper
One, the top other end for being pushed against material on grip slipper two, promotes material to be moved towards grip slipper one, and material promotes centration axis
Moved towards grip slipper one, towards moving in mounting hole, resetting spring one is compressed centration axis, is departed from after material movement on stent
Locating slot, material needs to rotate, avoids material from touching the locating slot of stent when rotating, material is caused to grind in gear hobbing
Damage.Material is positioned in the locating slot on stent when clamping material, easy to be positioned to material, improves processing efficiency.
The utility model is further arranged to：The rack side wall is provided with bar hole one, is fed through the bar hole
One rear thread is connected to the adjusting bolt one of the sliding seat.
By using above-mentioned technical proposal, when clamping the material of different diameter specifications, adjusting bolt one is unclamped in rotation, can
The position of adjusting bracket and locating slot, rotation locking adjusting bolt one, secures the stand on sliding seat.
The utility model is further arranged to：The sliding seat includes pedestal, is arranged at the connection of the pedestal upper end
Seat, the adjusting bolt one are threadedly connected on the connecting seat；It is provided with the connecting seat vertically through described
The bar hole two of connecting seat, be fed through the adjusting bolt two that two rear thread of bar hole is connected to the pedestal, the bar shaped
Hole two is horizontally disposed and perpendicular to the centration axis axis.
By using above-mentioned technical proposal, sliding seat includes pedestal and connecting seat, and adjusting bolt two is passed through on connecting seat
Two rear thread of bar hole is connected on pedestal, and adjusting bolt two is unclamped in rotation, can be by adjusting the position of connecting seat, to adjust branch
The position of frame.
The utility model is further arranged to：The slide unit axially set along the centration axis is provided with the engine base,
The sliding seat slides axially along the centration axis and is arranged on the slide unit, is provided with and is used for the cunning on the sliding seat
Dynamic seat is positioned at the locating piece on the slide unit.
By using above-mentioned technical proposal, when clamping the material of different length specification, it is necessary to adjust the position of stent, make
The locating slot of stent can be departed from by obtaining material after centration axis and top clamping.Sliding seat slides the movement for driving stent along slide unit,
After the position adjustment of stent, sliding seat position is fixed by locating piece, adapts to the material of different length specification.
The utility model is further arranged to：The a plurality of guide rail axially set along centration axis is provided with the slide unit,
The a plurality of sliding slot being embedded for the guide rail is provided with the pedestal.
By using above-mentioned technical proposal, the guide rail on slide unit is embedded in the sliding slot on pedestal, and sliding seat is on slide unit
Slide.
The utility model is further arranged to：The sliding seat includes the offside seat for being distributed in the slide unit both sides
Body, is provided with threaded hole on the side pedestal, and the locating piece is is threadedly connected in the threaded hole and pushes against in the cunning
The positioning bolt of platform side wall.
By using above-mentioned technical proposal, positioning bolt is pushed against on slide unit side wall after passing through threaded hole, and sliding seat is consolidated
It is scheduled on slide unit.Rotational positioning bolt can promote sliding seat to be moved along slide unit, adjust until after positioning bolt disengaging slide unit side wall
The position of sliding seat and stent.
The utility model is further arranged to：The slide unit is internally provided with cavity, and the slide unit side wall is provided with edge
The centration axis axis sets and is communicated in the bar hole three of the cavity, and the cavity inner wall is provided with along the centration axis axis
The rack one that line is set, the sliding seat include the offside pedestal for being distributed in the slide unit both sides, are set on the side pedestal
Have it is horizontally disposed and perpendicular to the pilot hole of the centration axis axis, the locating piece include being fed through successively the pilot hole and
Push rod after the bar hole three in the cavity, be fixed on the push rod and the rack two in the cavity,
For driving the resetting spring two for driving the rack two to be engaged on the rack one after the pushrod movement, the push rod week
It is plugged in fixed and axial slip in the pilot hole, the one end of the push rod away from the cavity is located at the pilot hole
Outside.
By using above-mentioned technical proposal, pushrod movement band carry-over bar two is promoted to depart from rack one, resetting spring two occurs
Elastic deformation, can promote sliding seat to be slided on slide unit.Push rod is unclamped, push rod moves under the effect of two elastic force of resetting spring, band
Carry-over bar two is engaged on rack one, and sliding seat is positioned on slide unit.
The utility model is further arranged to：The push rod side wall is provided with limit protrusion, the pilot hole inner wall edge
Limiting groove is axially provided with, the limit protrusion is embedded in the limiting groove.
By using above-mentioned technical proposal, the limit protrusion of push rod side wall is embedded in the limiting groove of pilot hole inner wall,
Limiting groove is axially set along pilot hole, push rod is axially moved relative to pilot hole, is circumferentially relatively fixed.
The utility model is further arranged to：The grip part being fixed with the push rod outside the pilot hole.
By using above-mentioned technical proposal, grip part is set on push rod, grips and exerts a force easy to hand.
The utility model is further arranged to：The grip slipper one sets close to the end face of the grip slipper two and is distributed
In the positioning tooth of the mounting hole surrounding.
By using above-mentioned technical proposal, material moves under the top promotion of grip slipper two towards grip slipper one, until
Push against on the positioning tooth on grip slipper one, material is positioned.
The utility model is further arranged to：More are provided with the engine base and is directed at the grip slipper one and the folder
Hold the sparge pipe between seat two.
By using above-mentioned technical proposal, sparge pipe alignment grip slipper one and grip slipper two, are rinsed material.
In conclusion the utility model has the advantages that：Using setting grip slipper one and grip slipper on engine base
Two, material is placed in the locating slot of stent, the centration axis on grip slipper one is pushed against on one end of material, grip slipper two
It is top to push against in the other end of material, material is clamped, actuator driving grip slipper two is moved close to grip slipper one, and material is pressing from both sides
Hold after being moved under the top promotion of seat two towards grip slipper one, depart from the locating slot on stent, then gear hobbing process is carried out to material,
Reach easy to the effect to material positioning, raising processing efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment 1；
Fig. 2 is the structure diagram of the grip slipper one of embodiment 1；
Fig. 3 is the grip slipper two of embodiment 1, the structure diagram of locating piece；
Fig. 4 is the structure diagram of the grip slipper two of embodiment 1；
Fig. 5 is the connection relationship diagram of the slide unit of embodiment 1, sliding seat；
Fig. 6 is the slide unit structure diagram of embodiment 2；
Fig. 7 is the slide unit internal structure schematic diagram of embodiment 2；
Fig. 8 is the connection relationship diagram of the slide unit of embodiment 2, sliding seat；
Fig. 9 is the locating element structure schematic diagram of embodiment 2；
Figure 10 is the pilot hole structure diagram of embodiment 2.
In figure：1st, engine base；11st, adjustment hole；12nd, aluminium curtain；2nd, grip slipper one；21st, mounting hole；22nd, centration axis；23rd, reset
Spring one；24th, positioning tooth；3rd, grip slipper two；31st, slide；32nd, connecting shaft；321st, thrust ball bearing；33rd, rotating seat；331st, hold
Receive groove；34th, it is top；4th, slide unit；41st, cavity；42nd, bar hole three；43rd, guide rail；44th, rack one；5th, sliding seat；51st, pedestal；
511st, sliding slot；52nd, side pedestal；521st, threaded hole；522nd, pilot hole；5221st, limiting groove；53rd, connecting seat；531st, bar hole
Two；532nd, adjusting bolt two；6th, stent；61st, locating slot；62nd, bar hole one；63rd, adjusting bolt one；7th, locating piece；71st, position
Bolt；711st, handle；72nd, push rod；721st, grip part；722nd, limit protrusion；73rd, resetting spring two；74th, rack two；8th, spray water
Pipe.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of clamping device for gear-hobbing machine, as shown in Figure 1 and Figure 2, including engine base 1, is rotatably dispose in machine
Grip slipper 1, the grip slipper 23 that is arranged on engine base 1 on seat 1.Sparge pipe 8, the alignment folder of sparge pipe 8 are provided with engine base 1
Hold between seat 1 and grip slipper 23.Grip slipper 1 is provided with mounting hole 21 close to the end face of grip slipper 23, in mounting hole 21
Centration axis 22 and resetting spring 1 that sliding is plugged in mounting hole 21 are provided with, centration axis 22 is horizontally disposed, resetting spring
One 23 one end is fixed in centration axis 22, and the other end is fixed on 21 inner wall of mounting hole.
As shown in Figure 3, Figure 4, grip slipper 23 includes the slide 31 in cylinder, the connection being fixed on the slide 31
Axis 32, rotating seat 33, are arranged with thrust ball bearing 321 in connecting shaft 32,33 end face of rotating seat is provided with holding tank 331, thrust
The outer ring of ball bearing 321 is fixed in holding tank 331.Rotating seat 33 is fixed with the end face of grip slipper 1 positioned at centering
Top 34 on 22 axis of axis, for contradicting the end of material.The adjustment hole axially set along centration axis 22 is provided with engine base 1
11, the sliding of slide 31 is plugged in adjustment hole 11, and actuator is further fixed on engine base 1（Not shown in figure）, actuator is hydraulic pressure
Cylinder, the piston rod of hydraulic cylinder axially sets along centration axis 22 and is fixed on slide 31, for driving grip slipper 23 close or remote
From grip slipper 1.
As shown in Figure 1, shown in Figure 5, the slide unit 4 axially set along centration axis 22 is fixed with engine base 1 and is slidably arranged in slide unit 4
On sliding seat 5.Sliding seat 5 includes the pedestal 51 for being arranged on 4 upper surface of slide unit, the side pedestal 52 for being fixed on 51 both sides of pedestal,
Two side pedestals 52 fit in the two side of slide unit 4.Two are provided with slide unit 4 along the axial guide rail 43 of centration axis 22, pedestal
51 lower face is provided with the sliding slot 511 being embedded in for guide rail 43.Aluminium curtain 12,12 covering part guide rail of aluminium curtain are provided with engine base 1
43, reduce chip contact guide rail 43.
Sliding seat 5 further includes the connecting seat 53 for being arranged at 51 upper surface of pedestal, and stent 6, stent 6 are provided with connecting seat 53
Upper end is provided with locating slot 61, and locating slot 61 is between grip slipper 1 and grip slipper 23, for placing material.On stent 6
It is provided with bar hole 1, is fed through the adjusting bolt 1 that one 62 rear thread of bar hole is connected on connecting seat 53, rotation pine
Open the position of locating slot 61 on adjustable support 6 and stent 6 after adjusting bolt 1.Be provided with connecting seat 53 it is horizontally disposed and
The bar hole two 531 vertical with 22 axis of centration axis, bar hole 2 531 vertically run through connecting seat 53, on connecting seat 53
It is provided with and is fed through the adjusting bolt 2 532 that 2 531 rear thread of bar hole is connected on pedestal 51, adjusting bolt two is unclamped in rotation
, can be by adjusting the position of connecting seat 53 come the position of adjusting bracket 6 after 532.
As shown in Fig. 3, Fig. 5, the locating piece 7 for being positioned at sliding seat 5 on slide unit 4 is provided with sliding seat 5, is positioned
Part 7 is positioning bolt 71, and threaded hole 521 is provided with side pedestal 52, and positioning bolt 71 is threadedly connected in threaded hole 521 and supports
Tightly in 4 side wall of slide unit, sliding seat 5 is positioned on slide unit 4, positioning bolt 71 is unclamped in rotation, and positioning bolt 71 departs from 4 side of slide unit
After wall, sliding seat 5 can be promoted to be moved along slide unit 4, the position of adjusting bracket 6.Handle 711 is fixed with positioning bolt 71, is easy to
Hand grips.
Clamping device operation principle for gear-hobbing machine：Material is placed in the locating slot 61 of stent 6, one end of material
Contact in the centration axis 22 of grip slipper 1, actuator drives top of the grip slipper 23 on grip slipper 1, grip slipper 23
Point 34 is pushed against material clamp in top 34 in the centration axis 22 and grip slipper 23 on the other end end of material, grip slipper 1
Handle, actuator continues to press on grip slipper 23 close to grip slipper 1, and top 34 promote material and centration axis 22 towards grip slipper
One 2 movements, 22 pressed home spring 1 of centration axis, until material is pushed against on positioning tooth 24 close to one end of grip slipper 1,
Material departs from the locating slot 61 of stent 6 at this time.
When clamping device for gear-hobbing machine is installed on gear-hobbing machine, the motor driving grip slipper 1 on gear-hobbing machine rotates,
Grip slipper 1 drives the rotating seat 33 on material and grip slipper 23 to rotate, the hobboing cutter cutting material on gear-hobbing machine, to material into
Row gear hobbing process.
Embodiment 2：A kind of clamping device for gear-hobbing machine, is with the difference of embodiment 1, such as Fig. 6, Fig. 7 institute
Show, 4 inner hollow of slide unit is set and middle part is provided with cavity 41, and 4 side wall of slide unit is provided with the bar axially set along centration axis 22
Shape hole 3 42, bar hole 3 42 are communicated in the cavity 41 in slide unit 4, and 41 inner wall of cavity is provided with what is axially set along centration axis 22
Rack 1.
As shown in Figure 7, Figure 8, the pilot hole 522 of side pedestal 52 is provided through on the side pedestal 52 of sliding seat 5（Referring to figure
10）, locating piece 7 is including being fed through the push rod 72 being located at after pilot hole 522 and bar hole 3 42 in cavity 41, being fixed on push rod 72
The rack 2 74 gone up and be located in cavity 41, the resetting spring 2 73 being sheathed on push rod 72, one end of resetting spring 2 73 is consolidated
Due on push rod 72 and the other end is fixed on side pedestal 52, rack 2 74 is parallel to rack 1, the bullet of resetting spring 2 73
Band carry-over bar 2 74 is engaged on rack 1 after power driving push rod 72 is moved.
As shown in Figure 9, Figure 10,72 side wall of push rod is provided with limit protrusion 722, and 522 inner wall of pilot hole is provided with vertically
Limiting groove 5221, limit protrusion 722 is embedded in limiting groove 5221, is limited push rod 72 and is turned in 522 inner circumferential of pilot hole
It is dynamic, avoid rack 2 74 from overturning.The one end of push rod 72 2 away from cavity 41 is located at outside pilot hole 522 and is fixed with grip part 721,
Exert a force after being gripped easy to hand.
Sliding seat 5 is adjusted at the position on slide unit 4, adjusting push rod 72 moves after holding grip part 721, and push rod 72 drives
After rack 2 74 departs from rack 1, you can promote sliding seat 5 to be moved along slide unit 4, sliding seat 5 drives stent 6 to move, and works as slip
After 5 position adjustments of seat, push rod 72 is unclamped, push rod 72 moves under the elastic force effect of resetting spring 2 73, band carry-over bar two
74 are engaged on rack 1, and sliding seat 5 is positioned on slide unit 4.
Specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, this area
Technical staff as needed can make the present embodiment the modification of no creative contribution after this specification is read, but only
All to be protected in the right of the utility model be subject to Patent Law.
Claims (10)
- A kind of 1. clamping device for gear-hobbing machine, it is characterised in that：Including engine base (1), it is rotationally connected with the engine base (1) Grip slipper one (2), be horizontally placed on the grip slipper one (2) be used for push against material one end end centration axis (22), set The grip slipper two (3) that is placed on the engine base (1), be arranged on the grip slipper two (3) and be located at the centration axis (22) axis It is used to push against top (34) of material other end end, for driving the grip slipper two (3) along the centration axis (22) on line Axially adjacent to or away from the grip slipper one (2) actuator, the grip slipper one (2) close to the grip slipper two (3) end Face sets mounting hole (21), and centration axis (22) sliding is plugged in the mounting hole (21), is set in the mounting hole (21) It is equipped with that the mounting hole (21) inner wall is fixed in one end and the other end is fixed on resetting spring one in the centration axis (22) (23), sliding seat (5), the stent (6) being arranged on the sliding seat (5), the stent (6) are provided with the engine base (1) Upper end is provided with is used for the locating slot (61) for placing material between the grip slipper one (2) and the grip slipper two (3).
- A kind of 2. clamping device for gear-hobbing machine according to claim 1, it is characterised in that：Stent (6) side wall It is provided with bar hole one (62), is fed through the adjusting bolt that described one (62) rear thread of bar hole is connected to the sliding seat (5) One (63).
- A kind of 3. clamping device for gear-hobbing machine according to claim 2, it is characterised in that：Sliding seat (5) bag Include pedestal (51), be arranged at the connecting seat (53) of the pedestal (51) upper end, the adjusting bolt one (63) is threadedly connected to institute State on connecting seat (53)；The bar hole two for vertically running through the connecting seat (53) is provided with the connecting seat (53) (531), the adjusting bolt two (532) that described two (531) rear thread of bar hole is connected to the pedestal (51), the bar are fed through Shape hole two (531) is horizontally disposed and perpendicular to the centration axis (22) axis.
- A kind of 4. clamping device for gear-hobbing machine according to claim 3, it is characterised in that：Set on the engine base (1) The slide unit (4) axially set along the centration axis (22) is equipped with, the sliding seat (5) slides axially along the centration axis (22) to be set It is placed on the slide unit (4), is provided with the sliding seat (5) for the sliding seat (5) to be positioned at the slide unit (4) Locating piece (7).
- A kind of 5. clamping device for gear-hobbing machine according to claim 4, it is characterised in that：Set on the slide unit (4) The a plurality of guide rail (43) axially set along centration axis (22) is equipped with, is provided with the pedestal (51) a plurality of for the guide rail (43) The sliding slot (511) being embedded.
- A kind of 6. clamping device for gear-hobbing machine according to claim 4 or 5, it is characterised in that：The sliding seat (5) An offside pedestal (52) including being distributed in the slide unit (4) both sides, is provided with threaded hole (521) on the side pedestal (52), The threaded hole (521) is interior and abutting is in the positioning bolt of the slide unit (4) side wall to be threadedly connected to for the locating piece (7) (71)。
- A kind of 7. clamping device for gear-hobbing machine according to claim 4 or 5, it is characterised in that：In the slide unit (4) Portion is provided with cavity (41), and slide unit (4) side wall is provided with sets and be communicated in the sky along the centration axis (22) axis The bar hole three (42) of chamber (41), cavity (41) inner wall are provided with the rack one set along the centration axis (22) axis (44), the sliding seat (5) includes being distributed in the offside pedestal (52) of the slide unit (4) both sides, on the side pedestal (52) It is provided with and is horizontally disposed with and perpendicular to the pilot hole (522) of the centration axis (22) axis, the locating piece (7) includes wearing successively If cross push rod (72) afterwards in the cavity (41) of the pilot hole (522) and the bar hole three (42), be fixed on institute State the rack two (74) on push rod (72) and in the cavity (41), for driving the push rod (72) to drive institute after moving The resetting spring two (73) that rack two (74) is engaged on the rack one (44) is stated, the push rod (72) is circumferentially fixed and axial Sliding is plugged in the pilot hole (522), and the one end of the push rod (72) away from the cavity (41) is located at the pilot hole (522) outside.
- A kind of 8. clamping device for gear-hobbing machine according to claim 7, it is characterised in that：Push rod (72) side wall Limit protrusion (722) is provided with, pilot hole (522) inner wall is axially disposed limiting groove (5221), the limit convex Rise in (722) embedded described limiting groove (5221).
- A kind of 9. clamping device for gear-hobbing machine according to claim 8, it is characterised in that：It is solid on the push rod (72) Surely there is the grip part (721) outside positioned at the pilot hole (522).
- A kind of 10. clamping device for gear-hobbing machine according to claim 1, it is characterised in that：The grip slipper one (2) The end face of the grip slipper two (3) is provided with the positioning tooth (24) for being distributed in the mounting hole (21) surrounding.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979771 | 2017-08-07 | ||
| CN2017209797719 | 2017-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207358296U true CN207358296U (en) | 2018-05-15 |
Family
ID=62422393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056376.XU Expired - Fee Related CN207358296U (en) | 2017-08-07 | 2017-08-22 | A kind of clamping device for gear-hobbing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207358296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828401A (en) * | 2020-10-12 | 2021-05-25 | 江苏太平洋精锻科技股份有限公司 | Gear profile of tooth processing hydraulic pressure shell type frock that expands |
-
2017
- 2017-08-22 CN CN201721056376.XU patent/CN207358296U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828401A (en) * | 2020-10-12 | 2021-05-25 | 江苏太平洋精锻科技股份有限公司 | Gear profile of tooth processing hydraulic pressure shell type frock that expands |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |