CN106271648A - A kind of drilling-tapping machine - Google Patents
A kind of drilling-tapping machine Download PDFInfo
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- CN106271648A CN106271648A CN201610862644.0A CN201610862644A CN106271648A CN 106271648 A CN106271648 A CN 106271648A CN 201610862644 A CN201610862644 A CN 201610862644A CN 106271648 A CN106271648 A CN 106271648A
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- drilling
- workpiece
- tapping
- pedestal
- adsorbent equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- Engineering & Computer Science (AREA)
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- Drilling And Boring (AREA)
Abstract
The present invention relates to machining apparatus technical field, particularly relate to a kind of drilling-tapping machine.A kind of drilling-tapping machine of the present invention, including for for Workpiece boring, the drilling-tapping head of tapping, also including the adsorbent equipment for drilling-tapping head is fixed on workpiece, it is not parallel with the direction of feed of drilling-tapping head that adsorbent equipment acts on the direction of the absorption affinity of workpiece.A kind of drilling-tapping machine of the present invention, can be using workpiece as positioning datum, during work, it is not necessary to travelling workpiece, it is not necessary to clamping, calibration of workpieces, saves man-hour；Small, cost is low, can be used for that, weight big for volume is big, be not easy to the Workpiece boring of movement, tapping, can process axial and machined surface off plumb hole；Can be used for processing wide-aperture hole.
Description
Technical field
The present invention relates to machining apparatus technical field, particularly relate to a kind of drilling-tapping machine.
Background technology
Boring, tooth machining unit are process equipments common in machining apparatus technical field, and common boring, tooth machining unit generally comprise
Drilling-tapping head, base, grain-clamping table, during work, be to need travelling workpiece and positioned, be clamped in grain-clamping table by workpiece mostly,
Then drilling-tapping head moves along direction of feed, and this type of boring, tooth machining unit are only used for that processing volume is little, lightweight etc. to be easy to
The workpiece of movement, some weight are big, the large-scale workpiece of mobile inconvenience then cannot be with common boring, tooth machining unit processing.Have at present
A kind of floor boring (as shown in Figure 4) can be used for processing large-scale workpiece, and its workpiece is positioned over rotary table 102, and rotary table 102 can
About the z axis rotation transformation station and along slip rail 101 X-axis slide, processing head 105 can slide along Y-axis, this type of floor boring can
For processing large-scale workpiece, but its build is huge, and cost is high.Owing to this type of floor boring is with rotary table 102 for reference to base
Standard, in use, needs first calibration of workpieces position and needs to be positioned by workpiece and be clamped in rotary table, wasting man-hour.
It addition, existing market also has a kind of magnetic drill (as shown in Figure 5), it includes one for adsorbing the axial of workpiece
Magnetic suction disc 103, the direction of feed of processing head 105 is parallel with the direction of the absorption affinity that axial magnetic sucker 103 produces, processing
During workpiece, axial magnetic sucker 103 is adsorbed in the surface that workpiece is to be processed, and this type of magnetic drill is primarily present problems with: 1, this
Easily there is sliding as shown in Figure 8 when using high pulling torque to hole in class magnetic drill, therefore cannot process wide-aperture hole；2、
This type of magnetic drill is only used for processing the hole that axial direction is vertical with to be processed.
Present invention
Present invention aims to the deficiencies in the prior art and a kind of drilling-tapping machine is provided, can be used for as being not easy to movement
Workpiece carries out holing, tapping, and simple in construction, production cost is low.
For achieving the above object, a kind of drilling-tapping machine of the present invention, including for attacking for the boring of Workpiece boring, tapping
Dental engine handpiece, also includes the adsorbent equipment for drilling-tapping head is fixed on workpiece, and adsorbent equipment acts on the absorption of workpiece
The direction of power is not parallel with the direction of feed of drilling-tapping head.
Preferably, described adsorbent equipment is electromagnetic absorption device, and the face that definition electromagnetic absorption device is adsorbed on workpiece is
Adsorption plane, the face that processed by described drilling-tapping head of definition workpiece is machined surface, and machined surface and adsorption plane are adjacent on workpiece
Two faces.
Preferably, described adsorbent equipment act on workpiece absorption affinity direction and drilling-tapping head direction of feed it
Between angle be 70 ° ~ 110 °.
Preferably, the direction of feed of described drilling-tapping head is parallel to the stationary plane of adsorbent equipment and workpiece.
Preferably, also including pedestal, drilling-tapping head is slideably positioned in pedestal, described adsorbent equipment along its direction of feed
Including rear pedestal and magnechuck, the slide setting relative with pedestal of rear pedestal, magnechuck is arranged at rear pedestal.
Preferably, described pedestal is provided with handpiece support portion and vertical portion, and drilling-tapping head is along handpiece support portion
Bearing of trend slides and arranges, adsorbent equipment slide setting relative with vertical portion.
Preferably, also including the lowering or hoisting gear driving pedestal to lift relative to rear pedestal, rear pedestal and pedestal are in Z-direction
Relatively sliding setting, lowering or hoisting gear is arranged at pedestal.
Preferably, described handpiece support portion and vertical portion are arranged in a mutually vertical manner.
Preferably, described handpiece support portion and vertical portion are rotatably connected.
Preferably, described pedestal is provided with the T-slot extended along Z-direction, and this drilling-tapping machine also includes sliding arranging
In fastening block and the holding screw of T-slot, threaded through rear pedestal with fastening block in one end of holding screw, tight by locking
Determine screw and pedestal is fixed on rear pedestal.
Preferably, also include feed drive unit, feed drive unit include feed servo motor, feed screw and with
The nut that feed screw coordinates, drilling-tapping head is connected with nut, and feed servo motor drives feed screw to rotate；Also include
Be slidably connected assembly, and the assembly that is slidably connected includes slide rail and the slide block coordinated with slide rail, and drilling-tapping head is by the company of slip
Connected components is connected with pedestal.
Preferably, described drilling-tapping head includes the spindle motor that main spindle box and drive shaft rotate, and spindle motor is pacified
Being loaded on main spindle box, main spindle box is slideably positioned in pedestal and is connected with nut.
Preferably, also include that scale is arranged for showing between adsorbent equipment with pedestal scale and the pointer relative to position
In pedestal, pointer is arranged at adsorbent equipment.
Preferably, also including the hanger for lifting whole bench drill hole tooth machining unit, hanger is arranged at pedestal.
Preferably, described pedestal is L-shaped, and pedestal is provided with handpiece support portion and vertical portion, and drilling-tapping head slides and sets
Being placed in handpiece support portion, adsorbent equipment is slideably positioned in vertical portion.
Described magnechuck extends downward with locating surface near the side of vertical portion, and locating surface is perpendicular to adsorbent equipment
Stationary plane with workpiece.
Preferably, also including positioner, positioner includes extending arm and alignment pin, and alignment pin is arranged at extending arm
One end, the other end of extending arm is slideably positioned in adsorbent equipment.
Preferably, extending arm is provided with horizontal ruler.
Beneficial effects of the present invention: a kind of drilling-tapping machine of the present invention, can be using workpiece as positioning datum, work
Time, it is not necessary to travelling workpiece, it is not necessary to clamping, calibration of workpieces, save man-hour；This drilling-tapping machine mobile, to target location, makes absorption
Device is connected with workpiece, and adsorbent equipment has the effect of tightening, clamping, makes the position between pedestal with workpiece keep relative solid
Fixed, boring, tapping operation can be started；A kind of drilling-tapping machine of the present invention, small, cost is low, can be used for big for volume,
Weight is big, be not easy to the Workpiece boring of movement, tapping, can process axially and machined surface off plumb hole；Can be used for processing macropore
The hole in footpath, is particularly well-suited to wide-aperture hole is carried out tapping operation.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiments of the invention one.
Fig. 2 is another perspective view of embodiments of the invention one.
Fig. 3 is the structural representation of T-slot, fastening block and holding screw.
Fig. 4 is the forward sight structural representation of existing floor boring.
Fig. 5 is that existing magnetic drill is in the structural representation processing slim sheet material state.
Fig. 6 is that the drilling-tapping machine of the present invention is in the structural representation processing slim sheet material state.
Fig. 7 is another structural representation of existing magnetic drill.
Fig. 8 is the structural representation of existing magnetic drill generation sliding.
Fig. 9 is the perspective view of embodiments of the invention two.
Reference includes:
0 workpiece
1 drilling-tapping head
11 main spindle box 12 spindle motors
2 adsorbent equipments
Pedestal 22 magnechuck after 21
23 locating surfaces
3 pedestals
31 vertical portion, T-slot 32 handpiece support portions 33
41 extending arm 42 alignment pin 43 horizontal rulers
5 lowering or hoisting gears
61 fastening block 62 holding screws
71 feed servo motor 72 feed screws
81 slide rail 82 slide blocks
91 scale 92 pointer 93 hangers
101 slip rail 102 rotary table 103 axial magnetic suckers
104 cushion blocks 105 process head.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment one.
As shown in Figure 1 and Figure 2, a kind of drilling-tapping machine of the present invention, including for attacking for the boring of Workpiece boring, tapping
Dental engine handpiece 1, also includes the adsorbent equipment 2 for drilling-tapping head 1 is fixed on workpiece, and adsorbent equipment 2 acts on workpiece
The direction of absorption affinity is not parallel with the direction of feed of drilling-tapping head 1.
A kind of drilling-tapping machine of the present invention, can be using workpiece as positioning datum, during work, it is not necessary to travelling workpiece, and nothing
Need clamping, calibration of workpieces, save man-hour；This drilling-tapping machine mobile, to target location, makes adsorbent equipment 2 be connected with workpiece, inhales
Adsorption device 2 has the effect of tightening, clamping, makes position between pedestal 3 and workpiece keep being relatively fixed, can start boring,
Tapping operation；A kind of drilling-tapping machine of the present invention, small, cost is low, can be used for that, weight big for volume is big, is not easy to move
Dynamic Workpiece boring, tapping, can process axially and machined surface off plumb hole.
The direction of the absorption affinity of workpiece and the feeding side of drilling-tapping head 1 is acted on due to the adsorbent equipment 2 of the present invention
To not parallel, but in a certain angle so that when using high pulling torque to carry out operation, the deflecting force that moment of torsion produces is cancelled, from
And the structure of the drilling-tapping machine of the present invention self can avoid the phenomenon that sliding as shown in Figure 8 occurs to occur, and then make
When carrying out operation with high pulling torque, good stability can be kept, can be used for processing wide-aperture hole, be particularly well-suited to large aperture
Hole carry out tapping.
As preferably, described adsorbent equipment 2 acts on the direction of the absorption affinity of workpiece and the feeding of drilling-tapping head 1
Angle between direction is 70 ° ~ 110 °, concrete, and this angle can be 80 °, 90 ° or 100 °.
As preferably, described adsorbent equipment 2 is electromagnetic absorption device, the face that definition electromagnetic absorption device is adsorbed on workpiece
For adsorption plane, the face that definition workpiece is processed by described drilling-tapping head 1 is machined surface, and machined surface and adsorption plane are phase on workpiece
Two adjacent faces.
The machined surface of a kind of drilling-tapping machine of the present invention and adsorption plane be in approximately the same plane, it is to avoid adsorbent equipment 2
Rotate relative to workpiece, improve stability during a kind of drilling-tapping machine work of this present invention.
Preferably, the direction of feed of described drilling-tapping head 1 is parallel to the stationary plane of adsorbent equipment 2 and workpiece.Absorption
Device 2 and the stationary plane of workpiece, i.e. in processing operation process, workpiece is adsorbed the adsorption plane of device 2 absorption；This drilling-tapping
The direction of feed of machine is not limited by be processed, and direction of feed is be parallel in the range of stationary plane can be with to be processed in appointing
Meaning angle, it is possible to irregular surface of the work is holed, tapping.
As it is shown in figure 1, also include pedestal 3, drilling-tapping head 1 is slideably positioned in pedestal 3, described suction along its direction of feed
Adsorption device 2 includes rear pedestal 21 and magnechuck 22, and the slide setting relative with pedestal 3 of rear pedestal 21, magnechuck 22 is arranged at
Rear pedestal 21.Workpiece can be tightly adsorbed in, it is achieved the clamping of workpiece, pedestal 21 and pedestal 3 after adjustment after magnechuck 22 energising
Position adjustable drilling-tapping head 1 and the relative altitude of workpiece relatively；When, after magnechuck 22 demagnetization, moving from workpiece
Dynamic, thus realize the fixing of drilling-tapping machine and displacement.
As it is shown in figure 1, described pedestal 3 is provided with handpiece support portion 32 and vertical portion 33, drilling-tapping head 1 is along head
The bearing of trend of supporting part 32 slides and arranges, adsorbent equipment 2 slide setting relative with vertical portion 33.A kind of boring of the present invention is attacked
Tooth machine can be used for processing slim sheet material, and can be using adsorption plane as positioning datum.
As preferably, the pedestal 3 of the present embodiment is L-shaped, and the adsorbent equipment 2 of the present embodiment acts on the absorption affinity of workpiece
Direction is mutually perpendicular to the direction of feed of drilling-tapping head 1.
Concrete, described handpiece support portion 32 and vertical portion 33 are arranged in a mutually vertical manner.A kind of drilling-tapping of the present embodiment
Machine, is particularly well-suited to process to be processed and the orthogonal workpiece of adsorption plane, in position fixing process, only need to adjust drilling-tapping
The main shaft of head 1 axially angle with to be processed in the plane being parallel to adsorption plane, improves efficiency.
Concrete, described magnechuck 22 extends downward with locating surface 23, locating surface near the side of vertical portion 33
23 stationary planes being perpendicular to adsorbent equipment 2 and workpiece.Concrete arranged a positioning block, locating surface 23 is arranged at locating piece, fixed
Position block is detachably located in magnechuck 22 or rear pedestal 21, in position fixing process, only need to be fitted by locating surface 23 or be parallel to
To be processed axial and to be processed the perpendicularity of main shaft that can ensure drilling-tapping head 1 meets processing request, further
Improve efficiency.Simultaneously as locating surface 23 can be close to be processed in the course of processing, drilling-tapping head can be avoided
There is beat in the main shaft of 1 in the plane being parallel to adsorption plane, further increases stability.
As it is shown in figure 5, existing magnetic drill is when processing slim sheet material, axial magnetic sucker contacts with workpiece to be processed
Area is little, and absorption affinity is little, and when the centripetal force processing head is excessive, the absorption between axial magnetic sucker and to be processed is unstable
Fixed so that centripetal force is restricted, has a strong impact on the raising of machining accuracy and efficiency.And a kind of drilling-tapping machine of the present invention, inhale
The direction of feed in direction and drilling-tapping head 1 that adsorption device 2 acts on the absorption affinity of workpiece is mutually perpendicular to, and processes slim sheet material
Time, increase by a cushion block 104 at sheet material base and can start operation, owing to the adsorbent equipment 2 of the present invention does not act on to be processed
Face, therefore the size of absorption affinity is not affected by the thickness of to be processed.
It addition, a kind of drilling-tapping machine compact conformation of the present invention, take up room little.
As in figure 2 it is shown, also include the lowering or hoisting gear 5 driving pedestal 3 to lift, rear pedestal 21 and pedestal relative to rear pedestal 21
3 slide setting relatively in Z-direction, and lowering or hoisting gear 5 is arranged at pedestal 3.Lowering or hoisting gear 5 includes driving motor and feed screw nut's group
Part.Lowering or hoisting gear 5 relative position between pedestal 21 with pedestal 3 after regulation, thus adjust boring, tapping in Z-direction
Position.
As it is shown on figure 3, described pedestal 3 is provided with the T-slot 31 extended along Z-direction, this drilling-tapping machine also includes sliding
Dynamic fastening block 61 and the holding screw 62 being arranged at T-slot 31, one end of holding screw 62 is through rear pedestal 21 and fastening block 61
Threaded, by locking holding screw 62, pedestal 3 is fixed on rear pedestal 21, steady when improve this drilling-tapping machine operation
Qualitative.
Preferably, this drilling-tapping machine also includes feed drive unit, feed drive unit include feed servo motor 71,
Feed screw 72 and the nut coordinated with feed screw 72, drilling-tapping head 1 is connected with nut, and feed servo motor 71 drives
Dynamic feed screw 72 rotates；Also including the assembly that is slidably connected, the assembly that is slidably connected includes slide rail 81 and coordinates with slide rail 81
Slide block 82, drilling-tapping head 1 is connected with pedestal 3 by the assembly that is slidably connected.
During feed servo motor 71 drive screw turns, drilling-tapping head 1 slides along direction of feed.Concrete, institute
Stating the spindle motor 12 that drilling-tapping head 1 includes that main spindle box 11 and drive shaft rotate, spindle motor 12 is installed on main spindle box
11 rotate with drive shaft, and drill bit is installed on main shaft, and main spindle box 11 is slideably positioned in pedestal 3 and is connected with nut, feed screw
72 drive nut to move axially when rotating, and drive main spindle box 11 to move together when nut moves.
For reducing resistance when sliding, main spindle box 11 is connected with pedestal 3 by the assembly that is slidably connected.
Concrete, this drilling-tapping machine also includes for showing between adsorbent equipment 2 with pedestal 3 scale 91 relative to position
With pointer 92, scale 91 is arranged at pedestal 3, and pointer 92 is arranged at adsorbent equipment 2.
For the ease of hanging this drilling-tapping machine of shifting, also include the hanger 93 for lifting whole bench drill hole tooth machining unit, hanger 93
It is arranged at pedestal 3.
In order to improve machining accuracy, this boring, tooth machining unit also include positioner, and positioner includes extending arm 41 and determines
Position pin 42, alignment pin 42 is arranged at one end of extending arm 41, and the other end of extending arm 41 is slideably positioned in adsorbent equipment 2.Specifically
, extending arm 41 is provided with horizontal ruler 43.During operation, this drilling-tapping machine mobile, adjust extending arm 41 to target length, make
Alignment pin 42 is connected to the datum end face of workpiece, so that drilling-tapping head 1 is using datum end face as with reference to carrying out holing, attacking
Tooth operation.
Embodiment two.
This enforcement is with embodiment one difference, as it is shown in figure 9, described handpiece support portion 32 and vertical portion 33 can turn
Being dynamically connected, concrete, handpiece support portion 32 and vertical portion 33 are connected by a pivotal axis, so that handpiece support portion 32 can be around
This pivotal axis rotates relative to vertical portion 33, between direction of feed and to be processed with realization regulation drilling-tapping head 1
Angle.
This drilling-tapping machine of the present embodiment, adjusts the i.e. adjustable of angle between handpiece support portion 32 and vertical portion 33 and bores
Angle between direction of feed and to be processed of hole tapping head 1, thus processing is axially in a certain angle with to be processed
Hole.
Remaining feature of the present embodiment all can refer to the explanation of embodiment one, does not repeats them here.
Understanding the present invention in sum is to have above-described good characteristic, is made it on using, promotes in the past
The usefulness that do not has in technology and there is practicality, become the product of a great practical value.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, the most all will change, and this specification content should not be construed as the present invention
Restriction.
Claims (10)
1. a drilling-tapping machine, including for for Workpiece boring, the drilling-tapping head (1) of tapping, it is characterised in that: also wrap
Including the adsorbent equipment (2) for drilling-tapping head (1) is fixed on workpiece, adsorbent equipment (2) acts on the absorption affinity of workpiece
Direction not parallel with the direction of feed of drilling-tapping head (1).
A kind of drilling-tapping machine the most according to claim 1, it is characterised in that: described adsorbent equipment (2) is electromagnetic adsorption
Device, the face that definition electromagnetic absorption device is adsorbed on workpiece is adsorption plane, and definition workpiece is added by described drilling-tapping head (1)
The face of work is machined surface, and machined surface is two faces adjacent on workpiece with adsorption plane.
A kind of tooth machining unit the most according to claim 1, it is characterised in that: the direction of feed of described drilling-tapping head (1)
It is parallel to the stationary plane of adsorbent equipment (2) and workpiece.
A kind of drilling-tapping machine the most according to claim 1, it is characterised in that: also include pedestal (3), drilling-tapping head
(1) being slideably positioned in pedestal (3) along its direction of feed, described adsorbent equipment (2) includes rear pedestal (21) and magnechuck (22),
Rear pedestal (21) slide setting relative with pedestal (3), magnechuck (22) is arranged at rear pedestal (21).
A kind of drilling-tapping machine the most according to claim 4, it is characterised in that: described pedestal (3) is provided with handpiece support
Portion (32) and vertical portion (33), drilling-tapping head (1) is arranged along the bearing of trend slip of handpiece support portion (32), absorption dress
Put (2) slide setting relative with vertical portion (33).
A kind of drilling-tapping machine the most according to claim 5, it is characterised in that: described handpiece support portion (32) and vertical portion
(33) it is arranged in a mutually vertical manner.
A kind of drilling-tapping machine the most according to claim 5, it is characterised in that: described handpiece support portion (32) and vertical portion
(33) it is rotatably connected.
A kind of drilling-tapping machine the most according to claim 4, it is characterised in that: also include driving pedestal (3) relative to rear
The lowering or hoisting gear (5) that pedestal (21) lifts, rear pedestal (21) with pedestal (3) at the relative setting of sliding of Z-direction, lowering or hoisting gear
(5) pedestal (3) it is arranged at.
A kind of drilling-tapping machine the most according to claim 4, it is characterised in that: described magnechuck (22) is near vertical portion
(33) side extends downward with locating surface (23), and locating surface (23) is perpendicular to the stationary plane of adsorbent equipment (2) and workpiece.
A kind of drilling-tapping machine the most according to claim 1, it is characterised in that: also include positioner, positioner bag
Including extending arm (41) and alignment pin (42), alignment pin (42) is arranged at one end of extending arm (41), the other end of extending arm (41)
Being slideably positioned in adsorbent equipment (2), extending arm (41) is provided with horizontal ruler (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862644.0A CN106271648B (en) | 2016-09-29 | 2016-09-29 | A kind of drilling-tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610862644.0A CN106271648B (en) | 2016-09-29 | 2016-09-29 | A kind of drilling-tapping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271648A true CN106271648A (en) | 2017-01-04 |
| CN106271648B CN106271648B (en) | 2018-12-11 |
Family
ID=57715776
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610862644.0A Active CN106271648B (en) | 2016-09-29 | 2016-09-29 | A kind of drilling-tapping machine |
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| Country | Link |
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| CN (1) | CN106271648B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655738A (en) * | 2018-06-22 | 2018-10-16 | 嘉善优耐特滑动轴承厂 | A kind of automatic drilling tooth machining unit |
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| CN2046412U (en) * | 1989-04-25 | 1989-10-25 | 史安 | Micro magnetic universal drill |
| JP2001225233A (en) * | 2000-02-17 | 2001-08-21 | Komatsu Machinery Corp | Composite machining method of crankshaft and machining device for the same |
| CN201693214U (en) * | 2010-06-24 | 2011-01-05 | 金志明 | Novel magnetic drill |
| CN201997759U (en) * | 2011-03-15 | 2011-10-05 | 中冶天工（天津）装备制造有限公司 | Universal posture adjusting device for magnetic drill |
| CN202037351U (en) * | 2011-04-06 | 2011-11-16 | 中国铁道科学研究院基础设施检测研究所 | Manual damage hole manufacture device for steel rail |
| CN203171261U (en) * | 2013-01-28 | 2013-09-04 | 深圳市仕兴鸿精密机械设备有限公司 | Drilling tapping machine |
| CN103433750A (en) * | 2013-08-23 | 2013-12-11 | 中山市恒鑫聚诚工业设备有限公司 | Drilling and tapping all-in-one machine for generator shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046412U (en) * | 1989-04-25 | 1989-10-25 | 史安 | Micro magnetic universal drill |
| JP2001225233A (en) * | 2000-02-17 | 2001-08-21 | Komatsu Machinery Corp | Composite machining method of crankshaft and machining device for the same |
| CN201693214U (en) * | 2010-06-24 | 2011-01-05 | 金志明 | Novel magnetic drill |
| CN201997759U (en) * | 2011-03-15 | 2011-10-05 | 中冶天工（天津）装备制造有限公司 | Universal posture adjusting device for magnetic drill |
| CN202037351U (en) * | 2011-04-06 | 2011-11-16 | 中国铁道科学研究院基础设施检测研究所 | Manual damage hole manufacture device for steel rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108655738A (en) * | 2018-06-22 | 2018-10-16 | 嘉善优耐特滑动轴承厂 | A kind of automatic drilling tooth machining unit |
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| Publication number | Publication date |
|---|---|
| CN106271648B (en) | 2018-12-11 |
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Effective date of registration: 20190806 Address after: 523000 Dongguan Houjie Town Houjie Community Houjie Village West Ring Road Dongguan Houjie Steel Machinery Factory Patentee after: Wang Xiaogang Address before: 404199 Chongqing District of Wanzhou City, this branch No. 10 3 unit 5-2 Patentee before: Tan Ping |