CN102699355B - Main shaft connecting device and machine tool - Google Patents
Main shaft connecting device and machine tool Download PDFInfo
- Publication number
- CN102699355B CN102699355B CN201210169873.6A CN201210169873A CN102699355B CN 102699355 B CN102699355 B CN 102699355B CN 201210169873 A CN201210169873 A CN 201210169873A CN 102699355 B CN102699355 B CN 102699355B
- Authority
- CN
- China
- Prior art keywords
- main shaft
- mobile
- cutter holder
- connector
- jockey
- 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
Links
Abstract
The invention discloses a main shaft connecting device and a machine tool. The main shaft connecting device comprises a tool holder arranged at the tail end of a main shaft, a movable body sleeved on the main shaft, a first driving mechanism for driving the movable body to axially move, and a second driving mechanism for driving the movable body to rotate, wherein a first top is arranged on the tool holder; a second top is arranged on the movable body; and the first stop and the second stop are axially limited by rotating fit. When the main shaft connecting device provided by the embodiment of the invention is used for changing a tool, the movable body is driven to axially move out first and rotate by a certain angle; the tool holder is mounted at the tail end of the main shaft and then the movable body is driven to rotate by a corresponding angle, and thus axial limitation between the tool holder and the movable body is realized; and finally, the movable body is driven to axially move back, so that the tool holder is tightly fixed at the tail end of the main shaft. The stability of a tensioning force is effectively ensured, the positioning performance of the tool holder (cutter) is improved, the improvement on the processing efficiency is facilitated and the convenience in dismounting, mounting and maintenance is realized.
Description
Technical field
The present invention relates to machine tool technology field, particularly relate to a kind of main shaft jockey and lathe.
Background technology
In recent years, the demand of complex milling machine tool increases day by day, and complex milling machine tool is fused into one the function of lathe and milling machine, meets to greatest extent the requirement of user to workpiece working (machining) efficiency, process automation.But the operation principle difference of lathe and milling machine is larger, and lathe generally adopts worktable rotary, the non-rotary mode of cutter realizes processing; Milling machine adopts cutter rotation, and the non-rotary mode of workbench is processed.For complex milling machine tool, while being converted into car function by milling function, milling cutter need to be unloaded, change lathe tool, and fix to clamp.Therefore, need one badly and be enclosed within the device that clamps lathe tool on milling spindle.
At present, the cutter of changing trains on complex milling machine tool, the general mode of directly straining by main shaft that adopts, this mode is simple in structure, but tightening force is inadequate, and cutter positioning is bad, the cutting force that has the greatest impact when heavy cut, thus affect working (machining) efficiency.
Therefore, how for existing cutter clamping mode, improving, further to adapt to use needs, is those skilled in the art's technical barriers urgently to be resolved hurrily.
Summary of the invention
In view of this, the present invention is intended to propose a kind of main shaft jockey and lathe, to solve the problem that existing cutter clamping mode tightening force is inadequate, cutter positioning is bad.
On the one hand, the invention provides a kind of main shaft jockey, described main shaft jockey comprises is located at the cutter holder of main shaft tail end, the second driving mechanism that is sleeved on mobile on described main shaft, drives axially movable the first driving mechanism of this mobile and drive this mobile to rotate, wherein, described cutter holder is provided with the first stop, described mobile is provided with the second stop, and described the first stop and described the second stop are realized axial limiting by being rotatably assorted.
Further, described the first stop is the internal tooth of being located at described cutter holder head, and described the second stop is the external tooth of being located at described mobile afterbody.
Further, described main shaft jockey also comprises fix and be sleeved on connector described mobile in relative to described main shaft, and stroke chamber and slip that described the second driving mechanism comprises yoke, be located in described connector are located in the trip chamber and the piston rod being connected with described mobile by described yoke.
Further, the bearing of trend in described stroke chamber and described main shaft is axial vertical.
Further, described the second driving mechanism also comprises the sensing device that whether reaches the slewing area limit for detection of described mobile.
Further, described connector offers and swings chamber on the sidewall of described mobile, described sensing device comprises that fork and the interval be located in described mobile be located at two approach switchs on described fork swaying direction in described swing chamber, and the position of described approach switch is corresponding to the slewing area limit of described mobile.
Further, described main shaft jockey also comprises fix and be sleeved on connector described mobile in relative to described main shaft, described the first driving mechanism comprise by between described connector and described mobile, form for promoting the first oil pocket of described mobile for hydraulic oil forward and for the second oil pocket for the moving described mobile of hydraulic oil reverse push.
Further, the gland that described connector comprises cutter holder connector and is fixed on this cutter holder connector afterbody, wherein, between described cutter holder connector and described mobile, form described the first oil pocket, between described cutter holder connector, described mobile and described gland, form described the second oil pocket.
Further, the tail end face of described gland is provided with the first circumferential limiting tooth, and the head end of described cutter holder is provided with the second week that can be meshed with this first circumferential limiting tooth to limiting tooth.
On the other hand, the present invention also provides a kind of lathe, and described lathe is provided with the main shaft jockey described in above-mentioned any one.
Main shaft jockey provided by the invention is when for tool changing, by the first driving mechanism, drive mobile axially to shift out, and drive mobile to turn an angle by the second driving mechanism, again the cutter holder that cutter is installed is mounted to the tail end of main shaft, make the first stop on cutter holder and the second stop axial misorientation in mobile, then by the second driving mechanism, drive mobile's revolution respective angles, make the first stop and the second stop in mobile on cutter holder axially stacked, and then realize the axial limiting of cutter holder and mobile, finally by the first driving mechanisms control mobile, axially retract, cutter holder is tightly fixed on the tail end of main shaft, when needs unload cutter, reverse operating, compared with prior art, effectively guaranteed the stability of tightening force, improved the positioning performance of cutter holder (cutter), contribute to improve working (machining) efficiency, and dismounting is easy to maintenance.
Lathe provided by the invention is provided with above-mentioned main shaft jockey, and because above-mentioned main shaft jockey has above-mentioned effect, therefore, the lathe that is provided with this main shaft jockey also has corresponding technique effect.
Accompanying drawing explanation
The main shaft jockey that Fig. 1 provides for the embodiment of the present invention is the structural representation when stretching out state in mobile;
Fig. 2 be in Fig. 1 A-A to structural representation;
Fig. 3 be in Fig. 1 B-B to structural representation;
The main shaft jockey that Fig. 4 provides for the embodiment of the present invention is the structural representation during in retracted state in mobile;
Fig. 5 be in Fig. 4 C-C to structural representation;
Fig. 6 be in Fig. 4 D-D to structural representation.
The specific embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be pointed out that in this part to be only the explanation to specific embodiment to the description of concrete structure and description order, should not be considered as that protection scope of the present invention is had to any restriction.In addition,, under the situation of not conflicting, embodiment and the feature in embodiment in this part can combine mutually.
Please also refer to Fig. 1 to Fig. 6.The main shaft jockey of this embodiment is located on main shaft 2, mainly comprises ram 1, cutter holder connector 3, mobile 4, gland 5, fairlead 6, cutter holder 9, push rod 11, yoke 13, piston rod 14 and approach switch 15 etc.
Shown in Fig. 1 and Fig. 4, ram 1 fixed cover is located on main shaft 2, mobile 4 is sleeved on the afterbody of main shaft 2, mobile 4 can rotate and move axially with respect to main shaft 2, mobile 4 is ledge structure, cutter holder connector 3 and gland 5 are sleeved in mobile 4, cutter holder connector 3 is positioned at mobile 4 near one end of ram 1, gland 5 is positioned at mobile 4 near one end of main shaft 2 tail ends, cutter holder connector 3 is fixedly connected with ram 1, gland 5 is fixing with the tail end (being lower end shown in figure) of cutter holder connector 3, between cutter holder connector 3 and mobile 4, be formed for promoting the first oil pocket of mobile 4 for hydraulic oil forward (Fig. 1 and Figure 4 shows that downward direction), cutter holder connector 3, between mobile 4 and gland 5, be formed for for hydraulic oil oppositely (Fig. 1 and Figure 4 shows that upward direction) promote the second oil pocket of mobile 4.
The afterbody of mobile 4 is provided with external tooth 8, the head of cutter holder 9 is provided with internal tooth 7, shown in Fig. 3 and Fig. 6, external tooth in mobile 48 can be realized by being rotatably assorted axial limiting with the internal tooth 7 on cutter holder 9, and Ji Dang mobile 4 is when stretching out state, by by external tooth 8 and internal tooth 7 axial misorientations, the top that Ke Shi mobile 4 inserts cutter holder 9, by rotating mobile 4, can make external tooth 8 and internal tooth 7 axially stacked, and then realize axial limiting.
The tail end face of gland 5 is provided with the first circumferential limiting tooth, the head end of cutter holder 9 is provided with the second axial limiting tooth, the first axial limiting tooth can be meshed and form gear pair 10 to limiting tooth with second week, for the cutting force of cutter when working is provided, prevent that cutter holder 9 is with respect to gland 5(or cutter holder connector 3) rotate.
Shown in Fig. 2 and Fig. 5, the sidewall of cutter holder connector 3 contiguous mobiles 4 is provided with stroke chamber 12, the bearing of trend in stroke chamber 12 and main shaft 2(or mobile 4) axial vertical, the two ends plug-in mounting push rod 11 in stroke chamber 12, piston rod 14 is slidably arranged in two stroke chambeies between push rod 11, piston rod 14 is connected by yoke 13Yu mobile 4, makes piston rod 14 interior when mobile in stroke chamber 12, can drive mobile 4 to carry out back rotation certain limit.
Cutter holder connector 3 is provided with swing chamber 17 towards the sidewall of mobile 4, two approach switchs 15 are located at and are swung in chamber 17, fork 16 is fixed in mobile 4, the interior swing in swing chamber 17 under the drive of fork 16Ke mobile 4 between described two approach switchs 15, two approach switch 15 intervals are located on the swaying direction of fork 16, the position of each approach switch 15 is corresponding to the slewing area limit of mobile 4, when fork 16 arrives the position of approach switch 15, approach switch 15 sends the signal of telecommunication, finally makes piston rod 14 stop moving forward.It should be noted that, in order to make external tooth 8 and internal tooth 7 from axial dislocation state variation to axial stacked state, mobile 4 need to rotate respective angles, that is in order to meet above-mentioned requirements, mobile 4 has certain slewing area (corner), and when the initial position of mobile 4 in this slewing area, internal tooth 8 and external tooth 7 are in axial dislocation state, when the final position of mobile 4 in this slewing area, internal tooth 8 and external tooth 7 are in axial stacked state, correspondingly, in order to meet above-mentioned needs, fork 16 also should move in this slewing area, be positioned at two approach switchs 15 on fork 16 swaying directions for detection of when fork 16 reaches initial position or final position, to peripheral control unit, send the signal of telecommunication, by peripheral control unit, controlling executing agency stops to 12 air inlets of stroke chamber and return-air, and then mobile 4 is stopped operating, two residing positions of approach switch 15 correspond respectively to the slewing area limit (being initial position and final position) of mobile 4.
The following describes the use procedure of above-mentioned main shaft jockey:
When needs tool changing, (1) is first fixedly mounted on cutter on cutter holder 9; (2) as shown in Figure 1 to Figure 3, again according to the direction of arrow X1 signal to the first oil pocket fuel feeding and according to the direction of arrow X2 signal from the second oil pocket oil return, mobile 4 is moved down until in stretching out state, and according to the direction of arrow Y1 signal to the stroke chamber air inlet of piston rod 14 one end and according to the direction of arrow Y2 signal the stroke chamber return-air from piston rod 14 other ends, make mobile 4 turn to primary importance; (3) then cutter holder 9 is mounted to the tail end of main shaft 2, by by external tooth 8 axial misorientations in the internal tooth on cutter holder 97 and mobile 4, makes to be inserted in mobile 4 outside cutter holder 9; (4) as shown in Figures 4 to 6, the direction of finally illustrating according to arrow Y3 is from the stroke chamber return-air of piston rod 14 one end and the stroke chamber air inlet from piston rod 14 other ends according to the direction of arrow Y4 signal, make mobile 4 be turned back to the second place, make internal tooth 7 and external tooth 8 axially stacked, and according to the direction of arrow X3 signal from the first oil pocket oil return and according to the direction of arrow X4 signal to the second oil pocket fuel feeding, make mobile 4 be moved upward to retracted state, and then realize cutter holder 9 is tightly held.
In above-described embodiment, in order to provide axially directed effect to cutter holder 9, can also on the end face near outside, fairlead 6 be set at gland 5 afterbodys.
In above-described embodiment, in order to meet the needs of sealing, between cutter holder connector 3 and mobile 4, gland 5 and mobile 4 and cutter holder connector 3 and gland 5, be equipped with the seal member of corresponding size.
In above-described embodiment, between gland 5 and cutter holder 9, be provided with gear pair, for circumferentially spacing, to strengthen the cutting force of cutter, in other embodiment, also can adopt other spline part, as long as can prevent that cutter holder 9 from rotating with respect to gland 5.
In above-mentioned various embodiment, cutter holder connector 3 is fixedly linked to form with gland 5 and is sleeved on the connector in mobile 5, in other embodiments, cutter holder connector 3 also can be one-body molded with gland 5, by single connector, be sleeved in mobile 4, and realize above-mentioned corresponding function, correspondingly, the top of the afterbody of this connector and cutter holder 9 can arrange corresponding spline part.
In above-mentioned various embodiment, employing is located at the internal tooth 7 of cutter holder 9 heads as the first stop, and adopt the external tooth 8 of being located at mobile's 4 afterbodys as the second stop, in other embodiments, the first stop and the second stop can also adopt other forms (for example adopting the form of limited block), as long as can realize by being rotatably assorted axial limiting.
In above-mentioned various embodiment, drive the operation principle of axially movable the first driving mechanism of movable block 4 and conventional oil cylinder similar, comprise the first oil pocket and the second oil pocket for fuel feeding or oil return, set-up mode about the turnover oil pipe of the first oil pocket and the second oil pocket can be referring to the scheme of existing conventional oil cylinder, hereby do not repeat, in other embodiments, the first driving mechanism also can adopt other forms, be not limited to hydraulic way, can also be for example frame for movement mode, as long as can realize, movable block 4 front and back be promoted to respective distance.
In above-mentioned various embodiment, the bearing of trend in stroke chamber 12 cardinal principle is axial perpendicular to main shaft 2, and in other embodiments, the bearing of trend in stroke chamber 12 also can be with respect to the axial deflection certain angle of main shaft 2, as long as Neng Shi mobile 4 turns an angle.
In above-mentioned various embodiment, drive the second driving mechanism of movable block 4 rotations by the rectilinear motion of cylinder is converted into rotatablely moving of mobile 4, the stroke chamber 12, the slip that comprise yoke 13, be located in cutter holder connector 9 are located in the trip chamber 12 and by the connected piston rod 14 of yoke 13Yu mobile 4, in other embodiments, the second driving mechanism can also adopt other forms, as long as can realize mobile 4, rotates respective angles.
In above-mentioned various embodiment, the sensing device that whether reaches the slewing area limit for detection of mobile 4 comprises the fork 16 of being located in mobile 4 and is located at two approach switchs 15 that swing 17 both sides, chamber, wherein, the interior swing in swing chamber 17 under the drive of fork 16 mobile 4 between two approach switchs 15, and the position of approach switch 15 is corresponding to the slewing area limit of mobile 4, when Ji Dang mobile 4 turns to primary importance (the now top internal tooth axial misorientation of the afterbody external tooth of mobile 4 and cutter holder 9), fork 16 reaches the position of an approach switch 15 simultaneously, now approach switch 15 sends the signal of telecommunication, this signal of telecommunication is issued peripheral control unit (scheming not shown), by peripheral control unit, controlling executing agency stops to 12 air inlets of stroke chamber and return-air, when mobile 4 turns to the second place, situation is similar to the above, in other embodiments, sensing device also can adopt other forms, as long as the rotary state of energy detected activity body 4.
Need to illustrate, the main shaft jockey that above-mentioned various embodiment provide can be combined with existing clamping mode,, on the basis of existing tension mode, further improves cutter (cutter holder) and stablizes and positioning performance.In addition, when without use cutter (turning cutting tool), Ke Jiang mobile 4, cutter holder connector 3, gland 5 and cutter holder 9 etc. take off from ram 1.
To sum up, the main shaft jockey that above-mentioned various embodiment provides is when for tool changing, first by the first driving mechanism, drive mobile axially to shift out, and drive mobile to turn an angle by the second driving mechanism, again the cutter holder that cutter is installed is mounted to the tail end of main shaft, make the first stop on cutter holder and the second stop axial misorientation in mobile, then by the second driving mechanism, drive mobile's revolution respective angles, make the first stop and the second stop in mobile on cutter holder axially stacked, and then realize the axial limiting of cutter holder and mobile, finally by the first driving mechanisms control mobile, axially retract, cutter holder is tightly fixed on the tail end of main shaft, when needs unload cutter, reverse operating, compared with prior art, effectively guaranteed the stability of tightening force, improved the positioning performance of cutter holder (cutter), contribute to improve working (machining) efficiency, and dismounting is easy to maintenance.
The embodiment of the present invention also provides a kind of lathe, complex milling machine tool for example, this lathe is provided with the main shaft jockey described in above-mentioned any one, because above-mentioned main shaft jockey has above-mentioned technique effect, therefore, the lathe that is provided with this main shaft jockey also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a main shaft jockey, it is characterized in that: described main shaft jockey comprises is located at the cutter holder (9) of main shaft (2) tail end, the second driving mechanism that is sleeved on mobile (4) on described main shaft (2), drives axially movable the first driving mechanism of this mobile (4) and drive this mobile (4) to rotate, wherein, described cutter holder (9) is provided with the first stop, described mobile (4) is provided with the second stop, and described the first stop and described the second stop are realized axial limiting by being rotatably assorted; Described main shaft jockey also comprises the connector fixing and be sleeved on described mobile (4) in relative to described main shaft (2), and described the second driving mechanism comprises yoke (13), is located at the stroke chamber (12) in described connector and slides and be located in the trip chamber (12) and the piston rod (14) being connected with described mobile (4) by described yoke (13).
2. main shaft jockey as claimed in claim 1, is characterized in that: described the first stop is for being located at the internal tooth (7) of described cutter holder (9) head, and described the second stop is for being located at the external tooth (8) of described mobile (4) afterbody.
3. main shaft jockey as claimed in claim 1 or 2, is characterized in that: the bearing of trend in described stroke chamber (12) is axial vertical with described main shaft (2).
4. main shaft jockey as claimed in claim 1 or 2, is characterized in that: described the second driving mechanism also comprises the sensing device that whether reaches the slewing area limit for detection of described mobile (4).
5. main shaft jockey as claimed in claim 4, it is characterized in that: described connector offers and swings chamber (17) on the sidewall of described mobile (4), described sensing device comprises that the fork (16) be located in described mobile (4) and interval be located at two approach switchs (15) on described fork (16) swaying direction in described swing chamber (17), and the position of described approach switch (15) is corresponding to the slewing area limit of described mobile (4).
6. main shaft jockey as claimed in claim 1 or 2, it is characterized in that: described main shaft jockey also comprises the connector fixing and be sleeved on described mobile (4) in relative to described main shaft (2), described the first driving mechanism comprise by between described connector and described mobile (4), form for promoting the first oil pocket of described mobile (4) for hydraulic oil forward and for the second oil pocket for the moving described mobile (4) of hydraulic oil reverse push.
7. main shaft jockey as claimed in claim 6, it is characterized in that: the gland (5) that described connector comprises cutter holder connector (3) and is fixed on this cutter holder connector (3) afterbody, wherein, between described cutter holder connector (3) and described mobile (4), form described the first oil pocket, between described cutter holder connector (3), described mobile (4) and described gland (5), form described the second oil pocket.
8. main shaft jockey as claimed in claim 7, it is characterized in that: the tail end face of described gland (5) is provided with the first circumferential limiting tooth, the head end of described cutter holder (9) is provided with the second week that can be meshed with this first circumferential limiting tooth to limiting tooth.
9. a lathe, is characterized in that: described lathe is provided with the main shaft jockey described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210169873.6A CN102699355B (en) | 2012-05-28 | 2012-05-28 | Main shaft connecting device and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210169873.6A CN102699355B (en) | 2012-05-28 | 2012-05-28 | Main shaft connecting device and machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102699355A CN102699355A (en) | 2012-10-03 |
| CN102699355B true CN102699355B (en) | 2014-10-29 |
Family
ID=46892571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210169873.6A Expired - Fee Related CN102699355B (en) | 2012-05-28 | 2012-05-28 | Main shaft connecting device and machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102699355B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909397A (en) * | 2012-10-19 | 2013-02-06 | 无锡京华重工装备制造有限公司 | Hand-operated four-station tool changing structure |
| CN109317993B (en) * | 2018-11-21 | 2024-04-02 | 无锡威孚奥特凯姆精密机械有限公司 | Machine tool and tool apron thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558938A (en) * | 1978-10-23 | 1980-05-02 | Mitsubishi Metal Corp | Quick change type tool holder |
| JPS63256328A (en) * | 1987-04-13 | 1988-10-24 | Kuroda Precision Ind Ltd | Tool holder |
| CN1370100A (en) * | 1999-07-09 | 2002-09-18 | 报国株式会社 | Spindle device and tool holder of machine tool |
| CN201244736Y (en) * | 2008-07-09 | 2009-05-27 | 新颖机械工业股份有限公司 | Automatic processing-head changing clamping device for mechanical processing machine tool |
-
2012
- 2012-05-28 CN CN201210169873.6A patent/CN102699355B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5558938A (en) * | 1978-10-23 | 1980-05-02 | Mitsubishi Metal Corp | Quick change type tool holder |
| JPS63256328A (en) * | 1987-04-13 | 1988-10-24 | Kuroda Precision Ind Ltd | Tool holder |
| CN1370100A (en) * | 1999-07-09 | 2002-09-18 | 报国株式会社 | Spindle device and tool holder of machine tool |
| CN201244736Y (en) * | 2008-07-09 | 2009-05-27 | 新颖机械工业股份有限公司 | Automatic processing-head changing clamping device for mechanical processing machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102699355A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2630113T3 (en) | Punching machine | |
| CA2588886A1 (en) | Pin clamp assembly | |
| WO2011010209A8 (en) | A working machine for making gears | |
| CN202742115U (en) | Knife tower structure | |
| CN102699355B (en) | Main shaft connecting device and machine tool | |
| CN201969879U (en) | Continuous turning device of machine tool | |
| CN206047114U (en) | Bore milling combined machining spindle box structure | |
| CN103465268A (en) | Split type pneumatic finger | |
| CN102476279A (en) | Novel milling and turning compound numerical control machine based on series-parallel principle | |
| CN202388013U (en) | Milling machine | |
| CN203371041U (en) | Cam numerical control shaft for machining tip surface of piston ring on copying lathe | |
| KR102496102B1 (en) | pipe cutter | |
| CN203018920U (en) | Laser pipe-cutting device | |
| CN202825092U (en) | Double-shaft positioner | |
| CN204295293U (en) | A kind of lathe turnover plate type workbench | |
| CN103769934A (en) | Pinion cutter vertical-direction moving mechanism | |
| CN101486105B (en) | Power installation for machining hole on gas cylinder processing machine tool | |
| CN202377839U (en) | Cover board numerical control processing device for mobile phone component, laptop and panel computer | |
| CN203110056U (en) | Whole-circle numerical control curve sawing machine | |
| CN202212658U (en) | Special machine tool for electric spark tire mold | |
| CN205415112U (en) | Novel numerical control machine tool | |
| CN103465036A (en) | Ram component on processing machine tool | |
| CN213163526U (en) | Linear moving rotary tool magazine and electric machining machine tool thereof | |
| CN103506648A (en) | High-precision bench drilling machine | |
| CN103203645A (en) | Swing arm guide rail chain-type tool magazine structure for horizontal boring and milling machining center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151023 Address after: 201400, Shanghai, Fengxian District, 19 Lang Road, No. 3 Patentee after: SHANGHAI BRANCH OF SANY GROUP CO., LTD. Address before: 201413, No. two, 318 Avenue, Lingang Industrial Park, Shanghai, Fengxian District Patentee before: Seiki Co., Ltd. Shanghai Sany |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |