CN205393694U - Numerical control gear grinding machine with worm grinding wheel movable center mechanism - Google Patents
Numerical control gear grinding machine with worm grinding wheel movable center mechanism Download PDFInfo
- Publication number
- CN205393694U CN205393694U CN201620184069.9U CN201620184069U CN205393694U CN 205393694 U CN205393694 U CN 205393694U CN 201620184069 U CN201620184069 U CN 201620184069U CN 205393694 U CN205393694 U CN 205393694U
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- Prior art keywords
- end cover
- numerical control
- grinding machine
- jackscrew
- worm gear
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- Withdrawn - After Issue
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Abstract
The utility model discloses a numerical control gear grinding machine with worm grinding wheel movable center mechanism, including top main part and tailstock spindle, top main part includes the foot block, a cover plate, upper end cover and bottom end cover, the foot block, a cover plate, the fixed cavity that together just forms between four of upper end cover and bottom end cover, tailstock spindle upper portion sets up in the cavity, the bottom end cover is worn out to the tailstock spindle lower part, it is top to install mo shi on the tailstock spindle, tailstock spindle upper portion is equipped with the right angle face, two of right angle face directly and the foot block inner wall between all be equipped with first board -like roller chain and panel to one side, the inclined plane of oblique panel and the cant tie of foot block inner wall, equal threaded connection has first jackscrew on upper end cover and the bottom end cover, be equipped with a lock nut on the first jackscrew, the length of panel is less than the height of cavity to one side, the length of first board -like roller chain is lighter than the length of oblique panel, be equipped with the tight mechanism in top on the apron. The utility model discloses can top radial position of precise adjustment and top packing force to the work piece, it is convenient to adjust, and it is high to adjust the precision.
Description
Technical field
This utility model belongs to gear grinding machines technical field, is specifically related to a kind of numerical control worm gear-grinding machine movable center mechanism.
Background technology
Movable center mechanism is the clamping part that numerical control worm gear-grinding machine is main, processing for slender piece, need the rotating disk of movable center mechanism and numerical control worm gear-grinding machine with the use of, to ensure the slender piece centre of gyration and the rotating disk centre of gyration on one wire, improve machining accuracy.In general, always there is revolution process and assemble error in the top revolution of rotating disk, along with the increase of Workpiece length, this error can be amplified.In order to ensure that the centre of gyration of rotating disk and the centre of gyration of workpiece are tried one's best point-blank, the tailstock center (movable center mechanism) of numerical control worm gear-grinding machine needs radially inching, just high-precision part can be processed.At present, the tip mechanism that numerical control worm gear-grinding machine is conventional has three types: the first type is tail spindle and tube-in-tube structure, is mainly used on old-fashioned lathe and grinding machine；The second type is top interior assembling radial bearing and a set of thrust bearing, and radial bearing is used for turning round, and thrust bearing is used for carrying axial force；The third type is the structure using sealed bead bearing or straight line to rotate village's set between tail spindle and sleeve.Front two class movable center mechanism position errors are relatively big, are mainly used on the lathe that required precision is not high；Although the 3rd class movable center mechanism positioning precision is higher, but top radial position adjustment allows the deformation of top or center sleeve realize by pressure, causes top and workpiece center hole loose contact, and machining accuracy is low.
Application number is 201210073030.6, name is called the Chinese patent of " molded gear grinding machine movable center mechanism ", disclose a kind of molded gear grinding machine movable center mechanism, including support, support is arranged on the lathe of gear grinding machines, support is provided with axial circular hole, top positioning sleeve it is provided with in axial circular hole, it is inserted with center sleeve in top positioning sleeve, one end of center sleeve is provided with top, the middle part of center sleeve is provided with top bolt, one end of top bolt with top be spirally connected fixing, the other end of top bolt reaches outside top rear flange, top bolt is equipped with spring, it is provided with some steel balls between top positioning sleeve and axial circular-hole internal-wall, steel ball is concatenated by steel ball retainer.The top radial position of this movable center mechanism is adjusted to the end screw at top positioning sleeve, makes center sleeve force skew by the strength of screw, will result in this top and workpiece center hole loose contact, affects machining accuracy.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency of the prior art, a kind of numerical control worm gear-grinding machine movable center mechanism is provided, its simple in construction, reasonable in design and install easy to operate, can accurately adjust top radial position, the top thrust to workpiece can be adjusted simultaneously, easy to adjust, degree of regulation is high.
nullFor achieving the above object，The technical solution adopted in the utility model is: a kind of numerical control worm gear-grinding machine movable center mechanism，It is characterized in that: include top main body and tail spindle，Described top main body includes dead head、Cover plate、Upper end cover and bottom end cover，Described cover plate is arranged on the side of dead head，Described upper end cover is arranged on the top of dead head，Described bottom end cover is arranged on the bottom of dead head，Described dead head、Cover plate、Upper end cover and bottom end cover are fixed together and form cavity between four，The top of described tail spindle is arranged in described cavity，The bottom of described tail spindle passes bottom end cover and is positioned at outside described cavity，Described tail spindle is provided with Mohs top，The top of described tail spindle is provided with right-angle surface，Two of described right-angle surface face directly and are provided with the first board-like roller chain and oblique panel between the inwall of dead head，Described first board-like roller chain is at tail spindle and tiltedly between panel，The inclined-plane of described oblique panel coordinates with the inclined-plane of dead head inwall，All threaded on described upper end cover and bottom end cover have for adjusting the first jackscrew that oblique panel moves up and down，Described first jackscrew is provided with the first locking nut，The length of described oblique panel is less than the height of described cavity，The length of described first board-like roller chain is less than the length of oblique panel，Described cover plate is provided with the jacking mechanism that during for preventing oblique panel from adjusting, tail spindle glides.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterized in that: the top of described tail spindle is provided with tangent plane along its length, the right angle of described right-angle surface and tangent plane are oppositely arranged, described jacking mechanism includes the second jackscrew, spring and the second locking nut, described second jackscrew is threaded on the cover board, described second locking nut is arranged on the head of the second jackscrew, described spring housing is located at the end of the second jackscrew, press strip and the second board-like roller chain it is provided with between end and the tangent plane of described second jackscrew, described press strip is between the board-like roller chain of the second jackscrew and second, one end of described spring holds out against on cover plate, the other end of described spring holds out against on press strip, the length of described second board-like roller chain is less than the length of press strip.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: two elongated surfaces faced directly of described right-angle surface angle all and between tangent plane is 45 °.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: the quantity of described second jackscrew is three, and three described second jackscrews are positioned on straight line and uniformly lay.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterized in that: described tail spindle length direction is provided with installation cavity, described installation cavity is made up of the upper chamber being connected and lower cavity, described Mohs is top to be arranged in lower cavity, described top main body is provided with the guide post that bottom is stretched in upper chamber, the top of described guide post is positioned at outside described top main body, the bottom of described guide post is provided with boss, described guide post is arranged with stage clip and adjusting sleeve from bottom to up successively, described adjusting sleeve is through upper end cover and threadeds with upper end cover, one end of described stage clip holds out against in adjusting sleeve, the other end of described stage clip holds out against on boss.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: it is provided with sealing ring between described guide post and adjusting sleeve.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: the bottom of described guide post has the steam vent all communicated with upper chamber and lower cavity.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterized in that: described upper end cover is provided with switch frame, described switch frame is provided with proximity switch, described switch frame is vertically arranged with the strip hole switching setting height(from bottom) for adjusting proximity, described proximity switch is arranged on switch frame by fixing nut, and the side of described strip hole is provided with scale strip.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: described Mohs top threaded have be easy to it from the nut disassembled tail spindle.
Above-mentioned numerical control worm gear-grinding machine movable center mechanism, it is characterised in that: described dead head is provided with the fixing hole for being fixed on numerical control worm gear-grinding machine.
This utility model compared with prior art has the advantage that
1, this utility model simple in construction, reasonable in design and install easy to operate, solve and top in prior art force to make the deformation of top or center sleeve adjust radial position by jackscrew, cause top and workpiece (or frock) center hole loose contact, the difficult problem that precision of grinding teeth is not high.
2, this utility model is by adjusting the upper-lower position of two vertical oblique panels of the first jackscrew adjustment; make tail spindle overall offset; thus adjusting the radial position that Mohs is top; to realize the accurate control of tail spindle position; avoid the top deformation with tail spindle of Mohs; improve the axiality that the rotating disk of movable center mechanism and numerical control worm gear-grinding machine is top, it is ensured that movable center mechanism centrage is parallel with axis of movement, improve workpiece grinding accuracy.
3, this utility model adjusting sleeve regulates stage clip precompressed amount, upper cover plate is provided with switch frame, switch frame arranges strip hole, the side of strip hole is provided with scale strip, adjusting the upper-lower position of proximity switch, changing the decrement of stage clip, thus changing the top pressure to workpiece of Mohs, thrust is selected easily, it is possible to accurately adjust movable center mechanism to Work-sheet pressing power according to the size of workpiece, weight.
4, this utility model by arranging the first board-like roller chain between tail spindle and oblique panel, and the second board-like roller chain is set at tail spindle and press strip, solve between tail spindle with oblique panel, between tail spindle and press strip, face contacts the processing difficulties brought, and tail spindle move up and down as rolling friction, linear contact lay, operating steadily, precision is high；After adjustment completes, being locked by jackscrew with nut, mechanism stable, will not produce to loosen, precision stability is good.
5, this utility model is provided with the tangent plane of 45 degree along its length by the top of tail spindle, the right angle of tangent plane and right-angle surface is oppositely arranged, on the cover board it is provided with jacking mechanism, when preventing oblique panel from adjusting, tail spindle glides, second jackscrew thrust to the board-like roller chain of press strip and second is regulated by screwing the second jackscrew during use, and then make jacking mechanism that tail spindle to have suitable pressure, namely tail spindle should be made can not to glide when adjusting, when making the first oblique panel of jackscrew adjustment move up and down again, strength is not too big, after adjusting, tighten the second locking nut to ensure not loosen.
Below by drawings and Examples, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the axonometric chart of this utility model tail spindle.
Fig. 5 is the profile of this utility model tail spindle.
Fig. 6 is axonometric chart of the present utility model.
Description of reference numerals:
1 upper end cover；2 sealing rings；3 adjusting sleeves；
4 guide posts；4-1 boss；4-2 steam vent；
5 stage clips；6 tail spindles；6-1 right-angle surface；
6-2 tangent plane；6-3 upper chamber；6-4 lower cavity；
7 first jackscrews；8 bottom end covers；9 first locking nuts；
10 Mohs are top；11 nuts；12 proximity switches；
13 switch frames；13-1 strip hole；13-2 scale strip；
14 fixing nuts；15 dead heads；15-1 fixing hole；
16 oblique panels；17 first board-like roller chains；18 press strips；
19 second board-like roller chains；20 cover plates；21 second locking nuts；
22 second jackscrews；23 springs.
Detailed description of the invention
nullSuch as Fig. 1、Fig. 2、Fig. 3、Shown in Fig. 5 and Fig. 6，This utility model includes top main body and tail spindle 6，Described top main body includes dead head 15、Cover plate 20、Upper end cover 1 and bottom end cover 8，Described cover plate 20 is arranged on the side of dead head 15，Described upper end cover 1 is arranged on the top of dead head 15，Described bottom end cover 8 is arranged on the bottom of dead head 15，Described dead head 15、Cover plate 20、Upper end cover 1 and bottom end cover 8 four are fixed together and form cavity between four，The top of described tail spindle 6 is arranged in described cavity，The bottom of described tail spindle 6 passes bottom end cover 8 and is positioned at outside described cavity，Described tail spindle 6 is provided with Mohs top 10，The top of described tail spindle 6 is provided with right-angle surface 6-1，Two of described right-angle surface 6-1 face directly and are provided with the first board-like roller chain 17 and oblique panel 16 between the inwall of dead head 15，Described first board-like roller chain 17 is at tail spindle 6 and tiltedly between panel 16，The inclined-plane of described oblique panel 16 coordinates with the inclined-plane of dead head 15 inwall，All threaded on described upper end cover 1 and bottom end cover 8 have for adjusting the first jackscrew 7 that oblique panel 16 moves up and down，Described first jackscrew 7 is provided with the first locking nut 9，The length of described oblique panel 16 is less than the height of described cavity，The length of described first board-like roller chain 17 is less than the length of oblique panel 16，Described cover plate 20 is provided with the jacking mechanism that during for preventing oblique panel 16 from adjusting, tail spindle 6 glides.
nullSuch as Fig. 2、Fig. 3、Shown in Fig. 5 and Fig. 6，The top of described tail spindle 6 is provided with tangent plane 6-2 along its length，The right angle of described right-angle surface 6-1 and tangent plane 6-2 are oppositely arranged，Described jacking mechanism includes the second jackscrew 22、Spring 23 and the second locking nut 21，Described second jackscrew 22 is threaded on cover plate 20，Described second locking nut 21 is arranged on the head of the second jackscrew 22，Described spring 23 is set in the end of the second jackscrew 22，Press strip 18 and the second board-like roller chain 19 it is provided with between end and the tangent plane 6-2 of described second jackscrew 22，Described press strip 18 is between the second jackscrew 22 and the second board-like roller chain 19，One end of described spring 23 holds out against on cover plate 20，The other end of described spring 23 holds out against on press strip 18，The length of described second board-like roller chain 19 is less than the length of press strip 18.Second jackscrew 22 thrust to press strip 18 and the second board-like roller chain 19 is regulated by screwing the second jackscrew 22, and then make jacking mechanism that tail spindle 6 is had suitable thrust, namely tail spindle 6 should be made can not to glide when adjusting, it is not too big for making the first jackscrew 7 adjust strength when oblique panel 16 moves up and down again, after adjusting, tighten the second locking nut 21 and ensure not loosen.
In the present embodiment, two elongated surfaces faced directly of described right-angle surface 6-1 angle all and between tangent plane 6-2 is 45 °, such tangent plane 6-2 faces the right angle of right-angle surface 6-1, and the pressure of jacking mechanism is dispersed to two the first board-like roller chains 17, holds out against effective.
As shown in Figure 6, the quantity of described second jackscrew 22 is three, and three described second jackscrews 22 are positioned on straight line and uniformly lay.
As shown in Figure 1 and Figure 4, described tail spindle 6 length direction is provided with installation cavity, described installation cavity is made up of the upper chamber 6-3 being connected and lower cavity 6-4, described Mohs top 10 is arranged on lower cavity 6-4, described top main body is provided with the guide post 4 that bottom is stretched in upper chamber 6-3, the top of described guide post 4 is positioned at outside described top main body, the bottom of described guide post 4 is provided with boss 4-1, described guide post 4 is arranged with stage clip 5 and adjusting sleeve 3 from bottom to up successively, described adjusting sleeve 3 is through upper end cover 1 and threadeds with upper end cover 1, one end of described stage clip 5 holds out against in adjusting sleeve 3, the other end of described stage clip 5 holds out against on boss 4-1.
As it is shown in figure 1, be provided with sealing ring 2 between described guide post 4 and adjusting sleeve 3, it is prevented that abrasive dust entrance guide post 4 affects guide post 4 and leads.
As it is shown in figure 1, the bottom of described guide post 4 has the steam vent 4-2 all communicated with upper chamber 6-3 and lower cavity 6-4, it is simple to aerofluxus when Mohs top 10 is installed.
As shown in Fig. 1, Fig. 3 and Fig. 6, described upper end cover 1 is provided with switch frame 13, described switch frame 13 is provided with proximity switch 12, described switch frame 13 is vertically arranged with the strip hole 13-1 switching 12 setting height(from bottom)s for adjusting proximity, described proximity switch 12 is arranged on switch frame 13 by fixing nut 14, and the side of described strip hole 13-1 is provided with scale strip 13-2.Adjust the upper-lower position of proximity switch 12, changing the decrement of stage clip 5, thus changing the pressure of the top 10 pairs of workpiece of Mohs, selecting thrust easily according to the size of workpiece, weight, it is possible to accurately adjust movable center mechanism to Work-sheet pressing power.
As shown in figures 1 to 6, on described Mohs top 10 threaded have be easy to it from the nut 11 disassembled tail spindle 6, dismounting Mohs top 10 time, screw on nut 11 can drive Mohs top 10 to disassemble from tail spindle 6.
As shown in Figure 2 and Figure 6, described dead head 15 is provided with the fixing hole 15-1 for being fixed on numerical control worm gear-grinding machine.
Operation principle of the present utility model is: during use, is fixed on numerical control worm gear-grinding machine by movable center mechanism by the securing member being arranged in fixing hole 15-1.The upper-lower position of oblique panel 16 is adjusted by adjusting the first jackscrew 7; make tail spindle 6 overall offset; thus adjusting the radial position of Mohs top 10; avoid the deformation of Mohs top 10 and tail spindle 6; improve the axiality that the rotating disk of movable center mechanism and numerical control worm gear-grinding machine is top; guarantee that movable center mechanism centrage is parallel with axis of movement, improve workpiece grinding accuracy.When tail spindle 6 radial position regulates, tail spindle 6 is held out against by jacking mechanism, and during to prevent oblique panel 16 from adjusting, tail spindle 6 glides.After adjustment completes, adopt the first locking nut 9 to be locked by first jackscrew 7, adopt the second locking nut 21 to be locked by second jackscrew 22, mechanism stable, it is ensured that will not producing to loosen, precision stability is good.Adjusting sleeve 3 is for regulating the precompressed amount of stage clip 5, after Mohs top 10 contacts with workpiece center hole, dead head 15 moves downward, tail spindle 6 moves upward, behind the top of guide post 4 and proximity switch 12 sensing, signal passes to the control system of numerical control worm gear-grinding machine, dead head 15 stop motion, Work-sheet pressing.The upper-lower position of adjusting proximity switch 12, changes the decrement of stage clip 5, thus changing the movable center mechanism thrust to workpiece.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.
Claims (10)
- null1. a numerical control worm gear-grinding machine movable center mechanism，It is characterized in that: include top main body and tail spindle (6)，Described top main body includes dead head (15)、Cover plate (20)、Upper end cover (1) and bottom end cover (8)，Described cover plate (20) is arranged on the side of dead head (15)，Described upper end cover (1) is arranged on the top of dead head (15)，Described bottom end cover (8) is arranged on the bottom of dead head (15)，Described dead head (15)、Cover plate (20)、Upper end cover (1) and bottom end cover (8) four are fixed together and form cavity between four，The top of described tail spindle (6) is arranged in described cavity，The bottom of described tail spindle (6) passes bottom end cover (8) and is positioned at outside described cavity，Described tail spindle (6) is provided with Mohs top (10)，The top of described tail spindle (6) is provided with right-angle surface (6-1)，Face directly for two of described right-angle surface (6-1) and be provided with the first board-like roller chain (17) and oblique panel (16) between the inwall of dead head (15)，Described first board-like roller chain (17) is positioned between tail spindle (6) and oblique panel (16)，The inclined-plane of described oblique panel (16) coordinates with the inclined-plane of dead head (15) inwall，All threaded on described upper end cover (1) and bottom end cover (8) have for adjusting the first jackscrew (7) that oblique panel (16) moves up and down，Described first jackscrew (7) is provided with the first locking nut (9)，The length of described oblique panel (16) is less than the height of described cavity，The length of described first board-like roller chain (17) is less than the length of oblique panel (16)，The jacking mechanism that when being provided with on described cover plate (20) for preventing oblique panel (16) from adjusting, tail spindle (6) glides.
- null2. the numerical control worm gear-grinding machine movable center mechanism described in claim 1，It is characterized in that: the top of described tail spindle (6) is provided with tangent plane (6-2) along its length，The right angle of described right-angle surface (6-1) and tangent plane (6-2) are oppositely arranged，Described jacking mechanism includes the second jackscrew (22)、Spring (23) and the second locking nut (21)，Described second jackscrew (22) is threaded on cover plate (20)，Described second locking nut (21) is arranged on the head of the second jackscrew (22)，Described spring (23) is set in the end of the second jackscrew (22)，Press strip (18) and the second board-like roller chain (19) it is provided with between end and the tangent plane (6-2) of described second jackscrew (22)，Described press strip (18) is positioned between the second jackscrew (22) and the second board-like roller chain (19)，One end of described spring (23) holds out against on cover plate (20)，The other end of described spring (23) holds out against on press strip (18)，The length of described second board-like roller chain (19) is less than the length of press strip (18).
- 3. the numerical control worm gear-grinding machine movable center mechanism described in claim 2, it is characterised in that: two elongated surfaces faced directly of described right-angle surface (6-1) angle all and between tangent plane (6-2) is 45 °.
- 4. the numerical control worm gear-grinding machine movable center mechanism described in claim 2, it is characterised in that: the quantity of described second jackscrew (22) is three, and three described second jackscrews (22) are positioned on straight line and uniformly lay.
- null5. the numerical control worm gear-grinding machine movable center mechanism described in claim 1，It is characterized in that: described tail spindle (6) length direction is provided with installation cavity，Described installation cavity is made up of the upper chamber (6-3) being connected and lower cavity (6-4)，Described Mohs top (10) is arranged in lower cavity (6-4)，Described top main body is provided with the guide post (4) that bottom is stretched in upper chamber (6-3)，The top of described guide post (4) is positioned at outside described top main body，The bottom of described guide post (4) is provided with boss (4-1)，Described guide post (4) is arranged with stage clip (5) and adjusting sleeve (3) from bottom to up successively，Described adjusting sleeve (3) is through upper end cover (1) and threadeds with upper end cover (1)，One end of described stage clip (5) holds out against in adjusting sleeve (3)，The other end of described stage clip (5) holds out against on boss (4-1).
- 6. the numerical control worm gear-grinding machine movable center mechanism described in claim 5, it is characterised in that: it is provided with sealing ring (2) between described guide post (4) and adjusting sleeve (3).
- 7. the numerical control worm gear-grinding machine movable center mechanism described in claim 5, it is characterised in that: the bottom of described guide post (4) has the steam vent (4-2) all communicated with upper chamber (6-3) and lower cavity (6-4).
- 8. the numerical control worm gear-grinding machine movable center mechanism described in claim 1, it is characterized in that: described upper end cover (1) is provided with switch frame (13), described switch frame (13) is provided with proximity switch (12), described switch frame (13) is vertically arranged with the strip hole (13-1) switching (12) setting height(from bottom) for adjusting proximity, described proximity switch (12) is arranged on switch frame (13) by fixing nut (14), and the side of described strip hole (13-1) is provided with scale strip (13-2).
- 9. the numerical control worm gear-grinding machine movable center mechanism described in claim 1, it is characterised in that: described Mohs top (10) upper threaded have be easy to it from the nut (11) disassembled tail spindle (6).
- 10. the numerical control worm gear-grinding machine movable center mechanism described in claim 1, it is characterised in that: described dead head (15) is provided with the fixing hole (15-1) for being fixed on numerical control worm gear-grinding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184069.9U CN205393694U (en) | 2016-03-10 | 2016-03-10 | Numerical control gear grinding machine with worm grinding wheel movable center mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184069.9U CN205393694U (en) | 2016-03-10 | 2016-03-10 | Numerical control gear grinding machine with worm grinding wheel movable center mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205393694U true CN205393694U (en) | 2016-07-27 |
Family
ID=56439495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620184069.9U Withdrawn - After Issue CN205393694U (en) | 2016-03-10 | 2016-03-10 | Numerical control gear grinding machine with worm grinding wheel movable center mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205393694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537693A (en) * | 2016-03-10 | 2016-05-04 | 西安贝吉姆机床股份有限公司 | Movable centre mechanism of numerical control worm grinding wheel gear grinding machine |
-
2016
- 2016-03-10 CN CN201620184069.9U patent/CN205393694U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537693A (en) * | 2016-03-10 | 2016-05-04 | 西安贝吉姆机床股份有限公司 | Movable centre mechanism of numerical control worm grinding wheel gear grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20170905 |