CN205386751U - Side direction is bored and is milled lathe - Google Patents
Side direction is bored and is milled lathe Download PDFInfo
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- CN205386751U CN205386751U CN201620113362.6U CN201620113362U CN205386751U CN 205386751 U CN205386751 U CN 205386751U CN 201620113362 U CN201620113362 U CN 201620113362U CN 205386751 U CN205386751 U CN 205386751U
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- supporting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
- B23Q1/4866—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair followed perpendicularly by a single sliding pair
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Abstract
The utility model relates to a processing equipment technical field discloses a side direction is bored and is milled lathe, including the lathe bed, the side of lathe bed is provided with the revolving stage device that is used for the clamping work piece, the longitudinal movement device has been installed to the lathe bed, the longitudinal movement device is connected with the stand, stand sliding connection has first layer board and is used for driving the actuating mechanism that first layer board goes up and down, first layer board swing joint has a rotary cutting device that is used for processing the work piece on the revolving stage device, and this brill mills the lathe at the during operation, with direct clamping in the revolving stage device of work piece, the rotary cutting device can be to the processing when the leading flank of work piece, and when accomplishing when leading flank processing back, the rotatory certain angle of revolving stage device makes another machined surface and rotary cutting device correspond, and then continues processing, can realize 360 degrees the direct processing in side according to this, like this, need no. One time the clamping work piece can, obviously improved machining efficiency, simultaneously, owing to the spinning movement is done to the work piece to this revolving stage device, so the work piece that can bear the weight of great weight is processed.
Description
Technical field
This utility model relates to technical field of processing equipment, particularly relates to a kind of lateral drilling and milling machine tool.
Background technology
In machining field, milling machine, lathe and Digit Control Machine Tool etc. belong to common process equipment, existing milling machine is adding man-hour, processing axle is mostly and is perpendicular to above workpiece, vertical with the finished surface of workpiece it is processed, but, on a lot of workpiece, not only the front of workpiece needs to be processed, and the side of workpiece is also required to processing, so, processing staff will clamping workpiece again, using another surface of workpiece as clamping face, thus can form multiple clamping face on workpiece, for large-scale workpiece, seem particularly problematic, in view of this, inventor has made improvement.
Summary of the invention
The purpose of this utility model is in that for the deficiencies in the prior art, it is provided that a kind of lateral drilling and milling machine tool, and the machine bed accessory has the advantage reducing clamping workpiece number of times, working (machining) efficiency height and can carrying large heavy workpiece.
For achieving the above object, the lateral drilling and milling machine tool of one of the present utility model, including lathe bed, the side of described lathe bed is provided with the rotating plate device for clamping workpiece；Described lathe bed is equiped with longitudinal moving device, described longitudinal moving device is connected to column, described column slidably connects the first supporting plate and for driving the first driving mechanism of the first supporting plate lifting, and described first supporting plate is connected with the rotary cutting apparatus for processing the workpiece on rotating plate device.
Further, described rotary cutting apparatus includes the main shaft cutting mechanism rotating supporting plate, side's ram, the second driving mechanism, the 3rd driving mechanism and being slidably connected with side's ram, described side's ram is connected with rotating supporting plate, described second driving mechanism drives and rotates supporting plate rotation, and described 3rd driving mechanism is connected with side's ram and drive shaft cutting mechanism slides.
Preferably, described side's ram is slidably connected with rotating supporting plate, and described rotary cutting apparatus also includes the 4th driving mechanism, and described 4th driving mechanism driving side ram slides.
Preferably, described rotation supporting plate is provided with movable swivel nut, and described second driving mechanism includes the second servo motor and the driving screw rod being connected with the second servo motor, and described driving screw rod is spirally connected with movable swivel nut.
Preferably, described rotation supporting plate is provided with worm gear, and described second driving mechanism includes the second servo motor and the driving worm screw being connected with the second servo motor, and described driving worm and wheel engages.
Preferably, described first supporting plate is provided with rotation guide groove, and described rotation supporting plate is provided with and rotates the guide pad that guide groove is slidably connected；Described rotation supporting plate is connected to locking abutting agency, and described first supporting plate is additionally provided with, with rotating, the arc abutted for locking abutting agency between supporting plate.
Preferably, described locking abutting agency includes fixing seat, hydraulic cylinder, abutting skewback and voussoir, described fixing seat is fixing with rotation supporting plate to be connected, described hydraulic cylinder is connected with fixing seat, described voussoir is arranged at the piston shaft of hydraulic cylinder, described abutting skewback be connected with fixing seat and with voussoir clearance fit.
Further, described column is also associated with counterweight balancing device, and described counterweight balancing device includes the first balance weight mechanism and the second balance weight mechanism, and described first balance weight mechanism, the second balance weight mechanism are all connected with rotary cutting apparatus.
Preferably, described first balance weight mechanism includes support, front wheel, rear wheel, balancing weight and counterweight rope, described rotary cutting apparatus is positioned at before column, described balancing weight is positioned at after column, described front wheel and rear wheel are all connected with support, one end of described counterweight rope is connected with rotary cutting apparatus, and the other end of described counterweight rope sequentially passes through front wheel, rear wheel and is connected with balancing weight.
Further, described rotating plate device includes base, workbench and the 5th driving mechanism for driving workbench to rotate, and described workbench is movably connected with the base.
The beneficial effects of the utility model: the lateral drilling and milling machine tool of one of the present utility model, this drilling and milling machine tool is operationally, workpiece is directly clamped in rotating plate device, at this moment, the leading flank of working as of workpiece can be processed by described rotary cutting apparatus, when completing after leading flank is processed, rotating plate device rotates a certain angle, make another machined surface corresponding with rotary cutting apparatus, and then continue processing, the side that can realize 360 degree according to this directly processes, so, have only to clamped one time workpiece, significantly improve working (machining) efficiency, simultaneously, owing to workpiece is only done spinning movement by this rotating plate device, so, greater weight workpiece can be carried be processed.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is locking abutting agency schematic diagram of the present utility model.
Fig. 4 is the schematic diagram of lathe bed part of the present utility model.
Fig. 5 is one of structural representation of the second driving mechanism of the present utility model.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the state diagram that turns clockwise of rotary cutting apparatus of the present utility model.
Fig. 8 is the rotation status figure counterclockwise of rotary cutting apparatus of the present utility model.
Fig. 9 is the two of the structural representation of the second driving mechanism of the present utility model.
Figure 10 is the top view of Fig. 9.
Figure 11 is the structural representation of rotating plate device of the present utility model.
Accompanying drawing labelling includes:
Lathe bed--1, rotating plate device--2, base--21,
Workbench--22, the 5th driving mechanism--23, the second Grating Angle Sensor--24,
Longitudinal moving device--3, the second supporting plate--31, the 6th driving mechanism--32,
Column--4, the first supporting plate--41, rotate guide groove--411,
First Grating Angle Sensor--412, the first driving mechanism--42, rotary cutting apparatus--5,
Rotate supporting plate--51, movable swivel nut--511, worm gear--512,
Side's ram--52, the second driving mechanism--53, the second servo motor--531,
Drive screw rod--532, drive worm screw--533, the 3rd driving mechanism--54,
Main shaft cutting mechanism--55, the 4th driving mechanism--56, lock abutting agency--6,
Fixing seat--61, hydraulic cylinder--62, abut skewback--63,
Voussoir 64, arc 65, counterweight balancing device--7,
First balance weight mechanism--71, support--711, front wheel--712,
Rear wheel--713, balancing weight--714, counterweight rope--715,
Second balance weight mechanism--72.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
Referring to Fig. 1 to Figure 11, a kind of lateral drilling and milling machine tool, including lathe bed 1, the side of described lathe bed 1 is provided with the rotating plate device 2 for clamping workpiece；Described lathe bed 1 is equiped with longitudinal moving device 3, described longitudinal moving device 3 is connected to column 4, described column 4 slidably connects the first supporting plate 41 and for driving the first driving mechanism 42 of the first supporting plate 41 lifting, and described first supporting plate 41 is connected with the rotary cutting apparatus 5 for processing the workpiece on rotating plate device 2.nullThe operation principle of this drilling and milling machine tool is: when needs add man-hour，First workpiece is directly clamped in rotating plate device 2，Longitudinal moving device 3 drives column 4 to move，Simultaneously，Described first driving mechanism 42 can drive the first supporting plate 41 to carry out displacement up or down further，So that rotary cutting apparatus 5 is processed from cutter spacing corresponding，Processing content includes: milling surface、Bore hole、Tapping and boring etc.，The leading flank of working as of workpiece can be processed by described rotary cutting apparatus 5，When completing after leading flank is processed，Rotating plate device 2 rotates a certain angle，Make another machined surface corresponding with rotary cutting apparatus 5，And then continue processing，The side that may finally realize 360 degree successively directly processes，So，Have only to clamped one time workpiece，Significantly improve working (machining) efficiency，Simultaneously，Owing to workpiece is only done spinning movement by this rotating plate device 2，So，Greater weight work pieces process can be carried；This clamping workpiece is in the mode of side, relatively conventional lathe, it is possible to making the height of workpiece not by the restriction of machining spindle, the processing stroke of this lathe is bigger.
As shown in Figure 4, described longitudinal moving device 3 includes the second supporting plate 31 and the 6th driving mechanism 32 for driving the second supporting plate 31 to vertically move, described second supporting plate 31 adopts linear guides or rectangle side's rail and lathe bed 1 to be slidably connected, described 6th driving mechanism 32 adopts servomotor and screw mandrel mode, screw mandrel and the second supporting plate 31 is utilized to be spirally connected, thus realizing vertically moving accurately.
The effect of described first driving mechanism 42 is to make the first supporting plate 41 along column 4 upstream or downstream, and the preferred plan of the first driving mechanism 42 is to adopt servomotor and screw mandrel mode, utilizes screw mandrel and the first supporting plate 41 to be spirally connected, thus realizing accurate elevating control.
Generally, in machining, also tend to needs and carry out tilting processing, for instance: clinoplain, inclination guide hole etc., this kind of processing, when clamping workpiece, it appears more bother, and generally requires multiple fixture or tool carrys out auxiliary clamping and just can make machined surface correspondence machining spindle.In the technical program, rotary cutting apparatus 5 is utilized can preferably to solve a difficult problem for clamping, specifically, referring to Fig. 4 to Figure 10, described rotary cutting apparatus 5 includes the main shaft cutting mechanism 55 rotating supporting plate 51, side's ram the 52, second driving mechanism the 53, the 3rd driving mechanism 54 and being slidably connected with side's ram 52, described side's ram 52 is connected with rotating supporting plate 51, described second driving mechanism 53 drives rotation supporting plate 51 to rotate, and described 3rd driving mechanism 54 is connected with side's ram 52 and drive shaft cutting mechanism 55 slides.During work, second driving mechanism 53 drives rotation supporting plate 51 to rotate, described first supporting plate 41 is provided with the first Grating Angle Sensor 412, first Grating Angle Sensor 412 sensing rotates the rotational angle of supporting plate 51, when rotating supporting plate 51 and turning to required angle of inclination, workpiece can be carried out tilting processing by main shaft cutting mechanism 55, and described main shaft cutting mechanism 55 is operationally, edge side's ram 52 is driven to move by the 3rd driving mechanism 54, such as: when main shaft cutting mechanism 55 adds man-hour at milling plane, 3rd driving mechanism 54 i.e. drive shaft cutting mechanism 55 moves the high order end to side's ram 52, when main shaft cutting mechanism 55 is when holing, main shaft cutting mechanism 55 may move at the middle part of side's ram 52 or right-hand member.This device preferably resolves the various processed of inclined surface, eliminates the trouble of auxiliary clamping.
Certainly, when carrying out bore hole or tapping, main shaft cutting mechanism 55 needs advance and retreat repeatedly, as preferably scheme, described side's ram 52 is slidably connected with rotating supporting plate 51, and described rotary cutting apparatus 5 also includes the 4th driving mechanism 56, and described 4th driving mechanism 56 side of driving ram 52 slides.Utilize this programme, when bore hole or tapping, the 4th driving mechanism 56 drive whole side's ram 52 to do moving back and forth, thus alleviating main shaft cutting mechanism 55 to bear the impact driven of repeatedly retreating.
Above-mentioned 3rd driving mechanism the 54, the 4th driving mechanism 56 all can directly adopt the structure of servomotor and screw mandrel, no longer repeats one by one at this.
Refer to Fig. 5, one of preferred version as the second driving mechanism 53: one end of described rotation supporting plate 51 is provided with movable swivel nut 511, described second driving mechanism 53 includes the second servo motor 531 and the driving screw rod 532 being connected with the second servo motor 531, and described driving screw rod 532 is spirally connected with movable swivel nut 511.During work, utilize the second servo motor 531 to drive and drive screw rod 532, owing to movable swivel nut 511 is connected with rotating supporting plate 51, so, screw rod 532 is driven to realize promoting or declining by the one end rotating supporting plate 51, so, rotating supporting plate 51 and can realize angle rotation, corresponding square ram 52, main shaft cutting mechanism 55 all realize corresponding angle and rotate.
Refer to Fig. 9, as the preferred version of the second driving mechanism 53 two: described rotation supporting plate 51 is provided with worm gear 512, described second driving mechanism 53 includes the second servo motor 531 and the driving worm screw 533 being connected with the second servo motor 531, and described driving worm screw 533 engages with worm gear 512.During work, utilize the second servo motor 531 to drive and drive worm screw 533, owing to driving worm screw 533 to engage with worm gear 512, so, driving worm screw 533 that rotation supporting plate 51 is directly realized by angle to rotate, corresponding square ram 52, main shaft cutting mechanism 55 all realize corresponding angle and rotate.
For the further improvement of this lathe, described first supporting plate 41 is provided with rotation guide groove 411, and described rotation supporting plate 51 is provided with and rotates the guide pad that guide groove 411 is slidably connected；Described rotation supporting plate 51 is connected to locking abutting agency 6, and described first supporting plate 41 is additionally provided with, with rotating, the arc 65 abutted for locking abutting agency 6 between supporting plate 51.Rotate supporting plate 51 when rotated, rotate along rotating guide groove 411, after being rotated in place, the locking position that locking abutting agency 6 is current by rotating supporting plate 51, it is ensured that the accuracy of Working position.
Refer to Fig. 3, specifically, described locking abutting agency 6 includes fixing seat 61, hydraulic cylinder 62, abuts skewback 63 and voussoir 64, described fixing seat 61 is fixing with rotation supporting plate 51 to be connected, described hydraulic cylinder 62 is connected with fixing seat 61, described voussoir 64 is arranged at the piston shaft of hydraulic cylinder 62, described abutting skewback 63 be connected with fixing seat 61 and with voussoir 64 clearance fit.The operation principle of this restriction abutting agency is such that after rotation supporting plate 51 is rotated in place, hydraulic cylinder 62 stretches out, and voussoir 64 stretches out, and the side of voussoir 64 offsets with abutting skewback 63, the opposite side of voussoir 64 abuts with arc 65, namely realizes rotating the locking position that supporting plate 51 is current；When rotating supporting plate 51 and needing to rotate, hydraulic cylinder 62 shrinks, and makes butt junction separate with arc 65 and abutting skewback 63, unlocks, and so, rotating supporting plate 51 can rotate, and simple in construction is easy to control.
The technical program (refers to Fig. 1), described column 4 is also associated with counterweight balancing device 7, described counterweight balancing device 7 includes the first balance weight mechanism 71 and the second balance weight mechanism 72, and described first balance weight mechanism the 71, second balance weight mechanism 72 is all connected with rotary cutting apparatus 5.The front and back of described first balance weight mechanism 71 and the second balance weight mechanism 72 column 4 keeps balance, especially for rotary cutting apparatus 5 when rotating processing operation, first balance weight mechanism 71 and the second balance weight mechanism 72 realize balanced compensated mutually, it is ensured that the stability of rotary cutting.
Refer to Fig. 2, specifically, described first balance weight mechanism 71 includes support 711, front wheel 712, rear wheel 713, balancing weight 714 and counterweight rope 715, described rotary cutting apparatus 5 is positioned at before column 4, described balancing weight 714 is positioned at after column 4, described front wheel 712 and rear wheel 713 are all connected with support 711, and one end of described counterweight rope 715 is connected with rotary cutting apparatus 5, and the other end of described counterweight rope 715 sequentially passes through front wheel 712, rear wheel 713 and is connected with balancing weight 714.As optimum, described balancing weight 714 is preferably slidably connected with column 4, thus improving safety and stability.And the structure of described second balance weight mechanism 72 is identical with the first balance weight mechanism 71, when rotating supporting plate 51 and turning clockwise, rotating supporting plate 51 and pull the balancing weight 714 of the first balance weight mechanism 71 upwards, the balancing weight of the second balance weight mechanism 72 is downward；When rotating supporting plate 51 and rotating counterclockwise, rotating supporting plate 51 and pull the balancing weight 714 of the first balance weight mechanism 71 downwards, the balancing weight of the second balance weight mechanism 72 is upwards；Counterweight balance is realized, it is ensured that the stability of processing under the effect of two balancing weights.
(referring to Figure 11) in the technical program, described rotating plate device 2 includes base 21, workbench 22 and the 5th driving mechanism 23 for driving workbench 22 to rotate, and described workbench 22 is flexibly connected with base 21.Described base 21 is provided with the second Grating Angle Sensor 24 for detecting workbench 22, utilize this second Grating Angle Sensor 24 can detect the rotational angle of workbench 22, described workbench 22 is used for installing workpiece, described 5th driving mechanism 23 can directly adopt driven by servomotor workbench 22 to rotate, the mode of servomotor driven gear group can also be adopted, do not do further restriction at this.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this specification content should not be construed as restriction of the present utility model.
Claims (10)
1. a lateral drilling and milling machine tool, including lathe bed (1), it is characterised in that: the side of described lathe bed (1) is provided with the rotating plate device (2) for clamping workpiece；
Described lathe bed (1) is equiped with longitudinal moving device (3), described longitudinal moving device (3) is connected to column (4), described column (4) slidably connects the first supporting plate (41) and is used for the first driving mechanism (42) driving the first supporting plate (41) to lift, and described first supporting plate (41) is connected with the rotary cutting apparatus (5) for processing the workpiece on rotating plate device (2).
2. the lateral drilling and milling machine tool of one according to claim 1, it is characterized in that: described rotary cutting apparatus (5) includes the main shaft cutting mechanism (55) rotating supporting plate (51), side's ram (52), the second driving mechanism (53), the 3rd driving mechanism (54) and being slidably connected with square ram (52), described side's ram (52) is connected with rotating supporting plate (51), described second driving mechanism (53) drives and rotates supporting plate (51) rotation, and described 3rd driving mechanism (54) is connected with side's ram (52) and drive shaft cutting mechanism (55) slides.
3. the lateral drilling and milling machine tool of one according to claim 2, it is characterized in that: described side's ram (52) is slidably connected with rotating supporting plate (51), described rotary cutting apparatus (5) also includes the 4th driving mechanism (56), slides in described 4th driving mechanism (56) driving side ram (52).
4. the lateral drilling and milling machine tool of one according to claim 2, it is characterized in that: described rotation supporting plate (51) is provided with movable swivel nut (511), described second driving mechanism (53) includes the second servo motor (531) and the driving screw rod (532) being connected with the second servo motor (531), and described driving screw rod (532) is spirally connected with movable swivel nut (511).
5. the lateral drilling and milling machine tool of one according to claim 2, it is characterized in that: described rotation supporting plate (51) is provided with worm gear (512), described second driving mechanism (53) includes the second servo motor (531) and the driving worm screw (533) being connected with the second servo motor (531), and described driving worm screw (533) is engaged with worm gear (512).
6. the lateral drilling and milling machine tool of one according to claim 2, it is characterised in that: described first supporting plate (41) is provided with rotation guide groove (411), and described rotation supporting plate (51) is provided with and rotates the guide pad that guide groove (411) is slidably connected；Described rotation supporting plate (51) is connected to locking abutting agency (6), and described first supporting plate (41) is additionally provided with, with rotating, the arc (65) abutted for locking abutting agency (6) between supporting plate (51).
7. the lateral drilling and milling machine tool of one according to claim 6, it is characterized in that: described locking abutting agency (6) includes fixing seat (61), hydraulic cylinder (62), abuts skewback (63) and voussoir (64), described fixing seat (61) is fixing with rotation supporting plate (51) to be connected, described hydraulic cylinder (62) is connected with fixing seat (61), described voussoir (64) is arranged at the piston shaft of hydraulic cylinder (62), described abutting skewback (63) be connected with fixing seat (61) and with voussoir (64) clearance fit.
8. the lateral drilling and milling machine tool of one according to claim 1, it is characterized in that: described column (4) is also associated with counterweight balancing device (7), described counterweight balancing device (7) includes the first balance weight mechanism (71) and the second balance weight mechanism (72), and described first balance weight mechanism (71), the second balance weight mechanism (72) are all connected with rotary cutting apparatus (5).
9. the lateral drilling and milling machine tool of one according to claim 8, it is characterized in that: described first balance weight mechanism (71) includes support (711), front wheel (712), rear wheel (713), balancing weight (714) and counterweight rope (715), described rotary cutting apparatus (5) is positioned at before column (4), described balancing weight (714) is positioned at after column (4), described front wheel (712) and rear wheel (713) are all connected with support (711), one end of described counterweight rope (715) is connected with rotary cutting apparatus (5), the other end of described counterweight rope (715) sequentially passes through front wheel (712), rear wheel (713) is also connected with balancing weight (714).
10. a kind of lateral drilling and milling machine tool according to any one of claim 1 ~ 9, it is characterized in that: described rotating plate device (2) includes base (21), workbench (22) and is used for the 5th driving mechanism (23) driving workbench (22) to rotate, and described workbench (22) is flexibly connected with base (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113362.6U CN205386751U (en) | 2016-02-04 | 2016-02-04 | Side direction is bored and is milled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113362.6U CN205386751U (en) | 2016-02-04 | 2016-02-04 | Side direction is bored and is milled lathe |
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| Publication Number | Publication Date |
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| CN205386751U true CN205386751U (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620113362.6U Active CN205386751U (en) | 2016-02-04 | 2016-02-04 | Side direction is bored and is milled lathe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563236A (en) * | 2016-02-04 | 2016-05-11 | 曾章颜 | Lateral drilling and milling machine tool |
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2016
- 2016-02-04 CN CN201620113362.6U patent/CN205386751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563236A (en) * | 2016-02-04 | 2016-05-11 | 曾章颜 | Lateral drilling and milling machine tool |
| CN105563236B (en) * | 2016-02-04 | 2018-02-13 | 曾章颜 | A kind of lateral drilling and milling machine tool |
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