CN201300226Y - A drilling machining unit - Google Patents
A drilling machining unit Download PDFInfo
- Publication number
- CN201300226Y CN201300226Y CNU2008201300037U CN200820130003U CN201300226Y CN 201300226 Y CN201300226 Y CN 201300226Y CN U2008201300037 U CNU2008201300037 U CN U2008201300037U CN 200820130003 U CN200820130003 U CN 200820130003U CN 201300226 Y CN201300226 Y CN 201300226Y
- Authority
- CN
- China
- Prior art keywords
- spindle motor
- screw rod
- air
- axle
- ball screw
- 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 - Lifetime
Links
- 238000003754 machining Methods 0.000 title claims abstract description 28
- 238000005553 drilling Methods 0.000 title abstract 2
- 230000008676 import Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Abstract
Disclosed is a drilling machining unit which comprises a ball screw rod, a screw support body, a hollow punch and a core shaft; wherein, the ball screw rod is arranged in a body shell; the screw rod support body is provided with a nut part in threaded connection with the ball screw rod and is able to rotate through the shaft of the ball screw rod and have reciprocating movement along the ball screw rod; the hollow punch is fixed on the screw rod support body; the core shaft can be rotationally maintained on the front end part of the hollow punch; the body shell is provided with an opening for exposing the hollow punch and a second opening; a main shaft is detachably embedded and inserted into the back surface of the second opening in projection state opposite to the opening; the screw rod support body comprises a connection part for connecting the main shaft motor with a rotary shaft deployed in the hollow punch in run-through mode; so the rotation output can be transmitted to the core shaft; the main shaft motor comprises an embedding part for embedding the main shaft motor with the connection part detachably.
Description
Technical field
The present invention relates to the boring machining cell of a kind of electric drill unit etc.
Background technology
On machined object, hole or the traditional electrical dynamic formula boring machining cell of tapping etc. rotatably remains on the axle that drill bit is installed on the top at the leading section of hollow drift cylindraceous, by making the relative device body relative motion of this hollow drift, be constructed such that the relative machined object forward-reverse of axle.
As this traditional boring machining cell, for example, shown in Fig. 2 a, by by send to a motor 36 make in body housing 32 can axle rotation configuration 35 rotations of ball screw, thereafter the end is fixed on hollow drift 37 on the screw rod supporter 33 with screw rod supporter 33 and ball screw 35 forward-reverse abreast by screw 39, and above-mentioned screw rod supporter 33 has with ball screw and carries out the nut portions 34 that screw thread combines.The rotation output of the Spindle Motor 38 of the back quadrate part configuration in hollow drift 37 is delivered to the axle 41 of leading section via the rotating shaft that connects configuration in hollow drift 37.
As mentioned above, will be used to make the Spindle Motor of axle rotation to be built in the occasion of hollow drift inside, and can shorten as the device length overall of boring machining cell and can increase stroke as built-in motor.
But, in boring machining cell, insert in this hollow drift owing to Spindle Motor 38 constitutes from the rear of hollow drift 37, so maintenance efficiency is poor as above-mentioned traditional built-in motor formula.
For example, need to change under the occasion of Spindle Motor 38, shown in Fig. 2 b, at first remove the fixing of screw 39, shown in Fig. 2 c, hollow drift 37 is taken off and extracts from body housing 32 from screw rod supporter 33, after as Fig. 2 d be shown in the drift connector 40 that stops up the rear aperture of hollow drift 37 being taken off, last, shown in Fig. 2 e, can in hollow drift 37, Spindle Motor 38 be pulled up taking-up, change other motor.Further, assembling procedure equally need with the opposite order of decomposition process of as above such trouble.
Owing to decompose and assembling procedure is time-consuming and trouble, therefore change the more time of cost under the occasion of Spindle Motor at needs, even in the worried occasion of mechanical prosthesis etc., can not avoid the big loss of time, this traditional device we can say that maintainability is poor.
And, by motor being built in the hollow drift, need carry out the processing of the cable that extends from Spindle Motor in body housing, the processing that is used for avoiding breaking etc. when hollow drift forward-reverse also needs a plurality of parts, becomes the main cause that boring machining cell self cost improves.
Summary of the invention
The technical problem that utility model solves
The object of the present invention is to provide a kind of boring machining cell, it has the simple structure that component count reduces than tradition, and simultaneously, the decomposition, the assembly operation that are used to change Spindle Motor are easy, and can improve maintainability.
Solve this technical problem the technical scheme that is adopted
In order to achieve the above object, according to the present invention, provide a kind of boring machining cell, this boring machining cell comprises: the body housing (2) that comprises motor (10); Be configured in this body housing (2), and carry out the ball screw (9) of axle rotation by described motor (10); Screw rod supporter (3), it has with this ball screw (9) and carries out the nut portions (4) that screw thread combines, and moves back and forth along ball screw (9) by the axle rotation of ball screw (9); Hollow drift cylindraceous (13), the end is fixed on the described screw rod supporter (3) thereafter, so that the opening (23) from the front that is arranged on described body housing (2) is outstanding towards the outside; Rotatably remain on the axle (14) on the leading section of this hollow drift (13); Instrument securement head (30), it is assemblied on the top ends of this axle (14); It is characterized in that, comprise: be used to make described axle (14) to rotate the Spindle Motor (18) that drives, with the rotating shaft (15) that connects configuration on coaxial shape ground, the inside of described hollow drift (13), be used for the rotation output of this Spindle Motor (18) is delivered to axle, described body housing (2) has in the back relative with described opening (23) with outstanding state can insert the 2nd opening (24) that breaks away from the ground described Spindle Motor of setting-in (18), described screw rod supporter (3) comprises in the back side of the fixed part (5) of the rearward end of fixing described hollow drift (13) and is used for connecting portion (6) that described Spindle Motor (18) is connected with described rotating shaft (15) that described Spindle Motor (18) comprises the fitting portion (19) releasably chimeric with described connecting portion (6).
And, other favourable embodiment according to the present invention,
Described Spindle Motor (18) portion in its back-end has the air supply port (21) that is used for from the outside air being introduced this Spindle Motor (18) inside, simultaneously, on described fitting portion (19), be formed for air outlet (22) by the inner air discharge of Spindle Motor (18).
Described screw rod supporter (3) has the openings (8) that when connecting described Spindle Motor (18) described air outlet (22) is communicated with hollow drift (13).
Described hollow drift (13) has openings (8) by described screw rod supporter (3) and will import road (16) from the air that the air that Spindle Motor (18) are sent to is delivered to leading section and will import a plurality of air discharge outlets (17) that the air on road (16) is emitted in the axle (14) of leading section on every side from this air.
The beneficial effect of utility model
According to boring machining cell of the present invention, carry out the axle rotation by the ball screw in the body housing via motor, the screw rod supporter that comprises the nut portions that combines with its screw thread moves back and forth along ball screw, accompany therewith, the outstanding state ground of front openings from body housing, rearward end is fixed on cylindric hollow drift on the screw rod supporter with the axle of the rotatable maintenance of its leading section and ball screw forward-reverse abreast, can insert from the 2nd opening of the back relative with the front openings of body housing to break away from ground with the Spindle Motor of outstanding state setting-in be used for the connecting portion of rotating shaft by the screw rod supporter that rotation output is delivered on the axle that hollow drift internal run-through disposes releasably is connected.Thereby, fitting portion by removing the Spindle Motor relative chimeric with the connecting portion of screw rod supporter, can easily only take out Spindle Motor from the 2nd opening of body housing, therefore the decomposition, the assembling procedure that do not need the such trouble of tradition, maintenance is from the rear part of the outstanding Spindle Motor of the 2nd opening, by can carry out the replacing operation of Spindle Motor easily from the operation in the outside.Therefore, the operating time significantly reduces, and can expect good maintainability, simultaneously, owing to also do not need to be used for the parts in body housing the cable that extends from Spindle Motor handled, so its sub-unit number also reduces, and can realize that on the whole significantly cost descends.
Description of drawings
Fig. 1 a is the partial cross section side view in the Spindle Motor installment state, and the interior general structure of body housing of the machining cell of holing according to an embodiment of the invention is shown.
Fig. 1 b is the partial cross section side view that Spindle Motor that the boring machining cell of Fig. 1 a is shown takes off state.
Fig. 2 a is in an example of traditional boring machining cell, and the summary partial cross section side view of the process of the decomposition process that is used to take off Spindle Motor is shown.
Fig. 2 b is the summary partial cross section side view that the subsequent process of Fig. 2 a is shown.
Fig. 2 c is the summary partial cross section side view that the subsequent process of Fig. 2 b is shown.
Fig. 2 d is the summary partial cross section side view that the subsequent process of Fig. 2 c is shown.
Fig. 2 e is the summary partial cross section side view that the subsequent process of Fig. 2 d is shown.
Description of reference numerals
1,31: the boring machining cell
2,32: body housing
3,33: the screw rod supporter
4,34: nut portions
5: fixed part
6: connecting portion
7: negative thread adds the Ministry of worker
8: openings
9,35: ball screw
10,36: send a motor to
11: slide block
12: guide rail
13,37: the hollow drift
14,41: axle
15: rotating shaft
16: air imports the road
17: air discharge outlet
18,38: Spindle Motor
19: pin thread adds Ministry of worker's (fitting portion)
20: motor axis of rotation
21: the air supply port
22: air outlet
23: the front face side opening
24: the 2 openings
30: the instrument securement head
39: screw
40: the drift connector
The specific embodiment
According to boring machining cell of the present invention, by having and can axle being configured in the screw rod supporter that ball screw in the body housing carries out the nut portions that screw thread combines rotatably and moving back and forth along a ball screw that carries out the axle rotation by motor, from the opening that is provided with previously of body housing highlightedly towards the outside, rearward end is fixed on the cylindric hollow drift on the described screw rod supporter, with the instrument securement head of on the axle of rotatable maintenance on the leading section of this hollow drift and top ends, assembling in this axle, parallel with described ball screw axially on forward-reverse, on body housing, have in the back relative to insert and break away from ground is used to rotate the Spindle Motor of drive spindle with outstanding state setting-in the 2nd opening with described opening, the inside side of the fastener of the fixedly hollow drift rearward end of screw rod supporter have be used for Spindle Motor with connect the connecting portion that the rotating shaft that disposes is connected on the inner coaxial shape of hollow drift ground, be delivered on the axle so that will rotate output, on Spindle Motor, have with this connecting portion and releasably carry out chimeric fitting portion.
Thereby, in the present invention, because the interior rotating shaft of the connecting portion of Spindle Motor by the screw rod supporter and hollow drift is connected, become the rear part from the outstanding state of the 2nd opening of body housing outwardly, therefore the fitting portion by removing the Spindle Motor relative with the connecting portion of screw rod supporter is chimeric, can easily only take out Spindle Motor from body housing, therefore do not need the such a plurality of parts of tradition or decomposition, the assembling procedure of trouble, the rear part that keeps Spindle Motor is by carrying out the replacing operation of Spindle Motor easily from the operation in the outside.Therefore, the operating time significantly reduces, and can expect good maintainability.
In addition, the connecting portion of the screw rod supporter among best the present invention can easily load and unload by the operation from the Spindle Motor side with the chimeric mechanism of the fitting portion of the Spindle Motor relative with this connecting portion, if for example connecting portion is the form of negative thread, fitting portion is the pin thread form of screw thread combination with it, thereby then, just can easily carry out the connection and the disengaging of the rotating shaft in the relative hollow drift only by operating in the simple procedures that outside outstanding rear part makes Spindle Motor axle rotation and so on.
And, in the present invention, Spindle Motor is connected by the screw rod supporter with the interior rotating shaft of hollow drift, do not need the hollow drift is fixed on liftedly the screw component on the body and is used for Spindle Motor is accommodated the drift connector that is fixed in the hollow drift and hold-down screw etc. the occasion in traditional Spindle Motor is built in the hollow drift, simultaneously, owing to do not need to be used for parts in body housing to handling from the cable of Spindle Motor extension yet, therefore its sub-unit number also reduces, also improved maintainabilities such as operability as described above, can realize that on the whole significantly cost descends.
Further, in structure of the present invention, Spindle Motor with the rotating shaft connection status under, because the rear part of Spindle Motor is to be inlaid on the body housing from the side-prominent outwardly state of the 2nd opening, therefore do not need the pipeline of the trouble in the body housing to handle, only the air supply port is set, just can easily supplies with tempering air in motor by rearward end at Spindle Motor.And, because passing through the connecting portion of screw rod supporter, Spindle Motor is communicated with the hollow drift, therefore can import the air that supplies in this motor and also utilize herein towards hollow drift side.
Promptly, by in the hollow drift, importing the road from end thereafter until the axle side of leading section forms air, forming the openings that is communicated with the air outlet that forms on this air importing road and the fitting portion on the screw rod supporter at Spindle Motor, owing to supply with and the air that cools off this motor inside imports the road by the air in the hollow drift and is fed to axle from the rearward end of Spindle Motor, if therefore a plurality of air discharge outlets are set around the axle of hollow drift leading section, then the air of emitting from this discharge port can be cleaned with air as the waterproof of mandrel segment.
By this air feed mechanism, at first, can improve the cooling effect of Spindle Motor, and can enlarge the permissible range of the motor that in the boring machining cell, can use by this cooling effect.Further, by the cooled air of Spindle Motor is cleaned as air, also can improve the waterproof effect of mandrel segment.
Can further understand above-mentioned and further feature and advantage of the present invention clearly by the following explanation of preferred embodiment shown in Figure 1.
Among Fig. 1, boring machining cell 1 possesses in body housing 2: can rotate the ball screw 9 of configuration by axle; Send a motor 10 to, it is for making 9 motor rotating of this ball screw; Screw rod supporter 3, its top is provided with the nut portions 4 that combines with ball screw 9 screw threads, simultaneously in the bottom, hollow drift 13 cylindraceous is fixed in rearward end with the opening 23 outstanding state ground that form from the front face side at body housing 2, by making 9 rotations of ball screw, along with nut portions 4 moves back and forth along ball screw 9, hollow drift 13 and screw rod supporter 3 closely advance and retreat with leaving along the axially relative processed portion parallel with ball screw 9 integratedly.
In addition, the lower end of screw rod supporter 3 is fixed on the slide block 11, and this slide block 11 slides on guide rail 12, and this guide rail 12 is fixed on the internal face of body housing 2 abreast with ball screw 9, further stablizes the parallel of hollow drift 13 and moves.
Be provided for connecting portion 6 that rotating shaft 15 is connected with Spindle Motor 18 in the inside side of the hollow drift fixed part 5 of screw rod supporter 3, the lower end of rotating shaft 15 connects the central part of connecting portion 6.Form at connecting portion 6 places and to add the Ministry of worker 19 with pin thread and carry out the negative thread that screw thread combines and add the Ministry of worker 7, this pin thread adds the Ministry of worker 19 as the leading section formation of fitting portion at Spindle Motor 18.
The pin thread of this Spindle Motor 18 adds that the Ministry of worker 19 and the negative thread of connecting portion 6 add that the Ministry of worker's 7 screw threads combine and screw thread when tightening, the bottom of the interior rotating shaft 15 of outstanding motor axis of rotation 20 and hollow drift 13 is connected from the leading section center of Spindle Motor 18, when boring machining cell 1 drives, the rotation output of Spindle Motor 18 is delivered to axle 14 by rotating shaft 15, is driven at the instrument securement head 30 of its top assembling and the machining tool of installing on head 30 (not shown) by these axle 14 rotations.
Thereby, Spindle Motor 18 can be realized just by rotary main shaft motor 18 adding the Ministry of worker's 7 screw threads with the negative thread of the connecting portion 6 of screw rod supporter 3 and combining so that add the Ministry of worker 19 as the pin thread of fitting portion, thereby finish and being connected and being installed on the body of rotating shaft 15, be by reverse rotation Spindle Motor 18, thereby remove and take apart aforementioned connection.
In the present embodiment, on body housing 2, relative with the opening 23 of the front face side of the outstanding body housing 2 of hollow drift 13 to position formation Spindle Motor 18 can insert the 2nd opening 24 of disengaging.Owing to expose at the connecting portion 6 of the 2nd opening 24 place's screw rod supporters 3, just by with Spindle Motor 18 in the past end side insert towards the 2nd opening 24, just can make that the pin thread as fitting portion adds the Ministry of worker's 19 arrival connecting portions 6.
In addition since Spindle Motor 18 with from the outstanding states of the 2nd opening 24 be inlaid on the body housing 2, can keep the rear part of Spindle Motor 18 that fitting operation is proceeded at last in original state ground, and, under the occasion of taking off Spindle Motor 18, keep being projected into the rear part outside the body housing 2, just make Spindle Motor 18 reverse rotations, the negative thread of fitting portion (pin thread adds the Ministry of worker) the 19 relative connecting portions 6 of releasing Spindle Motor 18 adds the screw thread of the Ministry of worker 7 to be tightened, and can extract from body housing 2.
As mentioned above, when the boring machining cell 1 of present embodiment is changed Spindle Motor 18 at needs, not needing a plurality of decomposition, assembling procedure, can realize by the operation from body housing 2 outsides, is taking off and installing of Spindle Motor 18 easily and in short time.
And, because Spindle Motor 18 is at the state of packing into and hole and giving prominence to outwardly from body housing 2 for the rear part under the state of machining cell 1, therefore just by portion in its back-end air supply port 21 is set, just can easily supply with from the outside cool off usefulness air to Spindle Motor 18 inside.That is the pipeline that, also need not bother in body housing 2 is handled the cooling effect that just can improve simply for Spindle Motor 18.
Further, in the present embodiment, the structure that Spindle Motor 18 utilizes the connecting portion 6 by screw rod supporter 3 to be connected with hollow drift 13, the air that further will supply in this Spindle Motor 18 import in the hollow drift 13, as the cleaning of axle 14 ambient airs.
Promptly, when the fitting portion of the leading section of Spindle Motor 18 is provided with air outlet 22, form openings 8 at screw rod supporter 3 places, when the connection of having tightened because of the relative screw thread of the screw rod supporter 3 of Spindle Motor 18, chimeric finishing, above-mentioned openings 8 makes this air outlet 22 be communicated with hollow drift 13.From the end is until the air that the leading section setting is communicated with openings 8 imports road 16 thereafter, this air imports road 16 and is communicated with a plurality of air discharge outlets 17 that form around the axle 14 of leading section in hollow drift 13.
Thereby, the air of supplying with and discharging from the air outlet 22 of leading section after this motor inside of cooling from the air supply port 21 that is provided with in the rearward end of Spindle Motor 18 is by the air importing road 16 in the openings 8 guiding hollow drifts 13 of screw rod supporter 3, import road 16 by this air and be fed to hollow drift leading section, emit around axle 14 from a plurality of air discharge outlets 17, clean with air as the waterproof of mandrel segment.
Claims (2)
- One kind boring machining cell, this boring machining cell comprises:The body housing (2) that comprises motor (10);Be configured in this body housing (2), and carry out the ball screw (9) of axle rotation by described motor (10);Screw rod supporter (3), it has with this ball screw (9) and carries out the nut portions (4) that screw thread combines, and moves back and forth along ball screw (9) by the axle rotation of ball screw (9);Hollow drift cylindraceous (13), the end is fixed on the described screw rod supporter (3) thereafter, so that the opening (23) from the front that is arranged on described body housing (2) is outstanding towards the outside;Rotatably remain on the axle (14) on the leading section of this hollow drift (13);Instrument securement head (30), it is assemblied on the top ends of this axle (14);It is characterized in that, comprising:Be used to make Spindle Motor (18) that described axle (14) is driven in rotation andConnect the rotating shaft (15) of configuration on coaxial shape ground, the inside of described hollow drift (13), be used for the rotation output of this Spindle Motor (18) is delivered to axle,Described body housing (2) has in the back relative with described opening (23) with outstanding state can insert the 2nd opening (24) that breaks away from the ground described Spindle Motor of setting-in (18),Described screw rod supporter (3) comprises in the inside side of the fixed part (5) of the rearward end of fixing described hollow drift (13) and is used for connecting portion (6) that described Spindle Motor (18) is connected with described rotating shaft (15),Described Spindle Motor (18) comprises the fitting portion (19) releasably chimeric with described connecting portion (6).
- 2. boring machining cell as claimed in claim 1 is characterized in that,Described Spindle Motor (18) portion in its back-end has the air supply port (21) that is used for from the outside air being introduced this Spindle Motor (18) inside, simultaneously, on described fitting portion (19), be formed for air outlet (22) by the inner air discharge of Spindle Motor (18)Described screw rod supporter (3) has the openings (8) that when connecting described Spindle Motor (18) described air outlet (22) is communicated with hollow drift (13),Described hollow drift (13) has openings (8) by described screw rod supporter (3) and will import road (16) from the air that the air that Spindle Motor (18) are sent to is delivered to leading section and will import a plurality of air discharge outlets (17) that the air on road (16) is emitted in the axle (14) of leading section on every side from this air.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007218731A JP4915948B2 (en) | 2007-08-24 | 2007-08-24 | Drilling unit |
| JP2007218731 | 2007-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300226Y true CN201300226Y (en) | 2009-09-02 |
Family
ID=40502494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201300037U Expired - Lifetime CN201300226Y (en) | 2007-08-24 | 2008-08-11 | A drilling machining unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4915948B2 (en) |
| CN (1) | CN201300226Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161112A (en) * | 2010-02-24 | 2011-08-24 | 株式会社神崎高级工机制作所 | Boring device |
| CN105855594A (en) * | 2016-05-09 | 2016-08-17 | 宁波斯贝科技缸套有限公司 | Vertical-horizontal two-way drilling device of cylinder pipe joint |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5622463B2 (en) | 2010-07-09 | 2014-11-12 | 株式会社スギノマシン | Drilling control method and drilling apparatus |
| CN105690248A (en) * | 2016-04-14 | 2016-06-22 | 湖南汉诺科技有限公司 | Spindle feeding device of double-plane grinding machine |
| CN111347077B (en) * | 2020-04-27 | 2020-10-27 | 福清市利恒科技有限公司 | Over-and-under type automatic drilling machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0231603A (en) * | 1988-07-22 | 1990-02-01 | Buoorupamisu Kenkyusho:Kk | Seeding of plant seed and seed sheet |
| JP3174911B2 (en) * | 1998-12-28 | 2001-06-11 | 株式会社サンテック | Quill support device for machine tools |
| JP2001071234A (en) * | 1999-09-01 | 2001-03-21 | Toyoda Mach Works Ltd | Spindle unit |
-
2007
- 2007-08-24 JP JP2007218731A patent/JP4915948B2/en active Active
-
2008
- 2008-08-11 CN CNU2008201300037U patent/CN201300226Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161112A (en) * | 2010-02-24 | 2011-08-24 | 株式会社神崎高级工机制作所 | Boring device |
| CN102161112B (en) * | 2010-02-24 | 2018-11-09 | 株式会社神崎高级工机制作所 | Boring machining device |
| CN105855594A (en) * | 2016-05-09 | 2016-08-17 | 宁波斯贝科技缸套有限公司 | Vertical-horizontal two-way drilling device of cylinder pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009050942A (en) | 2009-03-12 |
| JP4915948B2 (en) | 2012-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |