CN105127763B - Vertical carving and milling machine spindle motor mounting structure - Google Patents
Vertical carving and milling machine spindle motor mounting structure Download PDFInfo
- Publication number
- CN105127763B CN105127763B CN201510650225.6A CN201510650225A CN105127763B CN 105127763 B CN105127763 B CN 105127763B CN 201510650225 A CN201510650225 A CN 201510650225A CN 105127763 B CN105127763 B CN 105127763B
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- Prior art keywords
- crossbeam
- spindle motor
- milling machine
- mounting structure
- head
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Classifications
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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
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
-
- 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
- B23Q1/0063—Connecting non-slidable parts of machine tools to each other
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention provides a kind of vertical carving and milling machine spindle motor mounting structure, belong to machine tool technology field.It solves existing spindle motor mounting structure it is difficult to ensure that the problem of all spindle motor precision are consistent.This vertical carving and milling machine spindle motor mounting structure, which includes being provided with a bar-shaped beam, crossbeam, to be corresponded with motor installing hole and sets with spindle motor quantity identical motor installing hole, spindle motor, and spindle motor is fixed in the motor installing hole of crossbeam；Crossbeam is fixed on the leading flank of head by the first fastening bolt；It is provided with that there is regulating bolt and regulating bolt is screwed between head and crossbeam and can adjusts the bolt level(l)ing mechanism of crossbeam horizontality.This spindle motor mounting structure middle cross beam is in process by controlling machining accuracy to can ensure that the parameter requests such as centre-to-centre spacing, the depth of parallelism between the perpendicularity of motor installing hole, motor installing hole, all spindle motor precision uniformity are significantly increased, and then greatly improve the machining accuracy of carving and milling machine.
Description
Technical field
The invention belongs to machine tool technology field, it is related to a kind of vertical carving and milling machine, particularly a kind of vertical carving and milling machine main shaft electricity
Machine mounting structure.
Background technology
Some products in bathroom hardware part, kitchen handware, door handle are made of copper, tap as shown in Figure 5
Main body.Main body blank passes sequentially through rough polishing, fine polishing, essence and throws and electroplate in tap traditional diamond-making technique.Blank surface is cut
Adulterate the impurity such as the grains of sand in the copper of bits, thus there is the problems such as copper is difficult the purification that is separated, waste of resource.
For this applicant it is proposed that a kind of horizontal efficient carving and milling machine (application publication number：) and vertical carving CN104070904A
Milling machine (Authorization Notice No. CN203920187U)；Using the appearance of the multiple tap main body blanks of above-mentioned carving and milling machine energy synchronous processing
Face, both can guarantee that copper scale purity, and Product processing efficiency is can guarantee that again.
Spindle motor mounting structure is that head is connected by line slideway with column in existing vertical carving and milling machine, head
On be fixed with the crossbeam of one piece of bar shaped, crossbeam and be fastened by bolts and spindle motor quantity identical fixed seat；Main shaft electricity
Machine is fixed in fixed seat admittedly correspondingly.Although the vertical carving and milling machine spindle motor mounting structure can realize fixed main shaft
Motor, but there is many weak points；As spindle motor needs multiple tracks to install, it is difficult to ensure that all spindle motor precision are consistent；
Multiple spindle motors debug correction one by one, and required debugging correction time is long, the low problem of efficiency, it is impossible to meet some clients high-precision
Spend production requirement.
The content of the invention
The present invention proposes a kind of vertical carving and milling machine spindle motor mounting structure, the technical problem to be solved in the present invention be as
What improves carving and milling machine machining accuracy and debugging efficiency.
The technical problem to be solved of the present invention can be realized by following technical proposal：This vertical carving and milling machine includes head
With multiple spindle motors, this vertical carving and milling machine spindle motor mounting structure includes being provided with and main shaft on a bar-shaped beam, crossbeam
Number of motors identical motor installing hole, spindle motor is corresponded with motor installing hole and set, and spindle motor is fixed on crossbeam
Motor installing hole in；Crossbeam is fixed on the leading flank of head by the first fastening bolt；Provided with tool between head and crossbeam
The bolt level(l)ing mechanism of crossbeam horizontality can be adjusted by having regulating bolt and screwing regulating bolt.
This vertical carving and milling machine spindle motor mounting structure middle cross beam is equivalent to the crossbeam being connected as a single entity in the prior art and admittedly
Reservation.This vertical carving and milling machine spindle motor mounting structure middle cross beam is in process by controlling machining accuracy to can ensure that motor
The parameter requests such as centre-to-centre spacing, the depth of parallelism between the perpendicularity of mounting hole, motor installing hole, significantly increase all spindle motors
Precision uniformity, and then greatly improve the machining accuracy of carving and milling machine.
This vertical carving and milling machine spindle motor mounting structure eliminates assembled between fixed seat and crossbeam compared with prior art
And debugging, that is, multiple spindle motors are greatly reduced and debug one by one correction time, and then considerably improve debugging efficiency.
The spindle motor of existing vertical carving and milling machine is more, crossbeam is heavier and spindle motor vibrates during processing part
And stress can cause crossbeam shifting phenomena, thus influence machining accuracy.Bolt in this vertical carving and milling machine spindle motor mounting structure
Regulating bolt in level(l)ing mechanism can conveniently and accurately adjust the horizontality of crossbeam by screwing, thus with carrying
The advantage of high carving and milling machine debugging efficiency, regulating bolt has the effect of auxiliary fixed cross beam again, it is to avoid crossbeam is shifted, thus is had
Improve carving and milling machine precision advantage.
Any one following structure can be used according to actual conditions bolt level(l)ing mechanism, the first：Stood in above-mentioned
In formula carving and milling machine spindle motor mounting structure, the bolt level(l)ing mechanism includes the first peace being opened on head leading flank
The many pieces of regulating bolts are threaded with tankage, the upper side wall and lower wall of the first mounting groove, crossbeam insertion first is pacified
In tankage, the top surface and bottom surface of regulating bolt and crossbeam lean.Second：Installed in above-mentioned vertical carving and milling machine spindle motor
In structure, the bolt level(l)ing mechanism includes being opened in the second mounting groove on crossbeam trailing flank, the second mounting groove it is upper
The many pieces of regulating bolts are threaded with side wall and lower wall, the front side portion of head is embedded in the second mounting groove, regulation
Bolt leans with the top surface of head front side portion and bottom surface.
In above-mentioned vertical carving and milling machine spindle motor mounting structure, the top surface and bottom surface of the regulating bolt and crossbeam it
Between pad be provided with bonding jumper.In above-mentioned vertical carving and milling machine spindle motor mounting structure, the regulating bolt and head front side
Pad is provided with bonding jumper between the top surface in portion and bottom surface.Bonding jumper is avoided that and repeatedly screws regulating bolt and cause corresponding top surface
Worn and torn with bottom surface, and then influence subsequent adjustment precision and debugging efficiency.In other words, replaceable new gold after bonding jumper wear damage
Belong to bar.
In above-mentioned vertical carving and milling machine spindle motor mounting structure, the head is the hollow casting of integral type structure,
Effectively ensure the intensity of head, the rear lateral portion of head is plate-like guide rail slide block installing plate, and the front side portion of head is in plate
The crossbeam installing plate of shape, the width of guide rail slide block installing plate is less than the width of crossbeam installing plate, and the height of crossbeam installing plate is less than
The height of guide rail slide block installing plate, passes through sidepiece connecting plate, top connecting plate between guide rail slide block installing plate and crossbeam installing plate
It is connected with bottom connecting plate, sidepiece connecting plate and top connecting plate are obliquely installed relative to guide rail slide block installing plate；Bottom connects
The husky hole of dress is provided with fishplate bar.The head of the structure has simple in construction, lightweight, intensity height, casts convenient and good appearance etc.
Advantage.
In above-mentioned vertical carving and milling machine spindle motor mounting structure, the crossbeam includes bottom girder portion and protrudes bottom girder portion
Motor portions.The thickness of motor portions is significantly less than the thickness in bottom girder portion in crossbeam, and bottom girder portion ensures the rigidity of crossbeam, motor cabinet
Portion makes the field strength meet fixed main shaft motor requirement, can mitigate the weight of crossbeam again.This crossbeam has simple in construction, processing
Convenient advantage.
Brief description of the drawings
Fig. 1 is the main structure diagram of this vertical carving and milling machine spindle motor mounting structure.
Fig. 2 is the dimensional structure diagram of this vertical carving and milling machine spindle motor mounting structure.
Fig. 3 is the side structure schematic view of this vertical carving and milling machine spindle motor mounting structure.
Fig. 4 and Fig. 5 are the dimensional structure diagrams of head.
Fig. 6 is the dimensional structure diagram of crossbeam.
Fig. 7 is the side structure schematic view of spindle motor mounting structure in embodiment two.
Fig. 8 is the side structure schematic view of spindle motor mounting structure in embodiment three.
In figure, 1, head；1a, guide rail slide block installing plate；1b, crossbeam installing plate；1c, sidepiece connecting plate；1d, top connection
Plate；1e, bottom connecting plate；The husky hole of 1f, dress；1g, the first mounting groove；2nd, spindle motor；2a, ring flange；2b, main body；3rd, crossbeam；
3a, bottom girder portion；3b, motor portions；3c, bolt hole；3d, motor installing hole；3e, boss；3f, the second mounting groove；4th, second is tight
Fixing bolt；5th, the first fastening bolt；6th, regulating bolt；7th, bonding jumper.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1 to Figure 3, this vertical carving and milling machine includes head 1 and Duo Tai spindle motors 2, and Figure of description provides master
The quantity of spindle motor 2 is eight.
As shown in Figures 1 to 6, this vertical carving and milling machine spindle motor mounting structure includes a bar-shaped beam 3, spindle motor
2 are fixed on crossbeam 3, and crossbeam 3 is fixed on head 1.
Specifically, as shown in fig. 6, crossbeam 3 includes the motor in strip in strip bottom girder portion 3a and protrusion bottom girder portion 3a
Portions 3b.Bottom girder portion 3a cross section is rectangular；It is easy to crossbeam 3 to be connected with head 1, bolt hole 3c is provided with bottom girder portion 3a.
There are 8 motor installing hole 3d along the longitudinal equidistantly distributeds of motor portions 3b on motor portions 3b；Effectively ensured by machining
Centre-to-centre spacing is identical between adjacent spindle motor 2.
As shown in Figure 1 to Figure 3, there is spindle motor 2 ring flange 2a and cylindrical main body 2b, main body 2b to pass through crossbeam
3 motor installing hole 3d.There is the ring flange 2a phases with spindle motor 2 at the motor installing hole 3d outer rims of motor portions 3b bottom surfaces
The boss 3e of matching.Ring flange 2a is fastenedly connected by the second fastening bolt 4 and the motor portions 3b of crossbeam 3.Ring flange 2a with
Boss 3e leans, and corrects the perpendicularity of spindle motor 2 during assembling and setting by being ground boss 3e, and boss 3e causes mating surface more
Easily it is ground to necessary requirement.
As shown in Figure 4 and Figure 5, head 1 is the hollow casting of integral type structure.The rear lateral portion of head 1 is led to be plate-like
Rail sliding block installing plate 1a, the front side portion of head 1 is plate-like crossbeam installing plate 1b, and guide rail slide block installing plate 1a width is less than
Crossbeam installing plate 1b width, crossbeam installing plate 1b height is less than guide rail slide block installing plate 1a height, and guide rail slide block is installed
It is connected between plate 1a and crossbeam installing plate 1b by sidepiece connecting plate 1c, top connecting plate 1d and bottom connecting plate 1e, sidepiece
Connecting plate 1c and top connecting plate 1d is obliquely installed relative to guide rail slide block installing plate 1a；The husky hole of dress is provided with bottom connecting plate 1e
1f.A first longitudinally through mounting groove 1g is offered on the leading flank of crossbeam 3, i.e. the first mounting groove 1g is installed positioned at crossbeam
On plate 1b.
As shown in Figure 1 to Figure 3, in the first mounting grooves of bottom girder portion 3a 1g of crossbeam 3, the bottom girder portion 3a of crossbeam 3 passes through first
Fastening bolt 5 is fixed on head 1, i.e. the first mounting groove 1g bottom surface and the bottom girder portion 3a trailing flanks of crossbeam 3 leans.First
Many pieces of regulating bolts 6 are threaded with mounting groove 1g upper side wall and lower wall, Figure of description provides the first mounting groove
6 pieces of regulating bolts 6 are threaded with 1g upper side wall and lower wall, regulating bolt 6 offsets with the top surface of crossbeam 3 and bottom surface
Lean on.Thus formation screws regulating bolt 6 and can adjust the bolt Level tune machine of the horizontality of crossbeam 3 between head 1 and crossbeam 3
Structure.When adjusting 3 state of crossbeam, correspondingly one piece or many pieces of regulating bolts 6 are screwed according to the state of crossbeam 3, crossbeam 3 are forced minutely
Swing, until reaching required horizontality.The regulating bolt 6 tightened has the effect of auxiliary fixed cross beam 3.Bolt hole 3c's
Diameter is slightly larger than the diameter of the thread segment of the first fastening bolt 5, and then crossbeam 3 can minutely be put when ensureing to screw regulating bolt 6
It is dynamic.The hexagonal of regulating bolt 6 puts forth effort the outside that portion is located at head 1, thus with screwing the convenient advantage of adjustment bolt.
Embodiment two
The structure and principle of the present embodiment be the same as Example one are essentially identical, the no longer burden description of essentially identical part, only retouch
Different place is stated, different place is：As shown in fig. 7, between the top surface and bottom surface of regulating bolt 6 and crossbeam 3
Pad is provided with bonding jumper 7.
Embodiment three
The structure and principle of the present embodiment be the same as Example one are essentially identical, the no longer burden description of essentially identical part, only retouch
Different place is stated, different place is：As shown in figure 8, bolt level(l)ing mechanism includes being opened in the bottom of crossbeam 3
Many pieces of institutes are threaded with the upper side wall and lower wall of the second mounting groove 3f, the second mounting groove 3f on beam portion 3a trailing flanks
Regulating bolt 6 is stated, the crossbeam installing plate 1b of head 1 is embedded in the second mounting groove 3f, regulating bolt 6 and crossbeam installing plate 1b top
Face and bottom surface lean.
Claims (8)
1. a kind of vertical carving and milling machine spindle motor mounting structure, vertical carving and milling machine includes head (1) and multiple spindle motors (2),
This vertical carving and milling machine spindle motor mounting structure includes a bar-shaped beam (3), it is characterised in that be provided with the crossbeam (3)
Multiple motor installing holes (3d), the quantity of motor installing hole (3d) is identical with spindle motor (2) quantity, spindle motor (2) and electricity
Machine mounting hole (3d), which is corresponded, to be set, and spindle motor (2) is fixed in the motor installing hole (3d) of crossbeam (3)；Crossbeam (3) leads to
The first fastening bolt (5) is crossed to be fixed on the leading flank of head (1)；Being provided between head (1) and crossbeam (3) has regulating bolt
(6) and screw regulating bolt (6) the bolt level(l)ing mechanism of crossbeam (3) horizontality can be adjusted；The both sides up and down of crossbeam (3)
It is equipped with multiple regulating bolts (6) and regulating bolt (6) is longitudinally disposed along crossbeam (3)；
The head (1) is the hollow casting of integral type structure, and the rear lateral portion of the head (1) is pacified for plate-like guide rail slide block
Plate (1a) is filled, the front side portion of head (1) is plate-like crossbeam installing plate (1b), and the width of guide rail slide block installing plate (1a) is less than
The width of crossbeam installing plate (1b), the height of crossbeam installing plate (1b) is less than the height of guide rail slide block installing plate (1a), and guide rail is slided
Pass through sidepiece connecting plate (1c), top connecting plate (1d) and bottom connecting plate between block installing plate (1a) and crossbeam installing plate (1b)
(1e) is connected, and sidepiece connecting plate (1c) and top connecting plate (1d) are obliquely installed relative to guide rail slide block installing plate (1a).
2. vertical carving and milling machine spindle motor mounting structure according to claim 1, it is characterised in that the bolt level is adjusted
Section mechanism includes the first mounting groove (1g) being opened on head (1) leading flank, the upper side wall of the first mounting groove (1g) and downside
Be threaded with many pieces of regulating bolts (6) on wall, in embedded first mounting groove (1g) of crossbeam (3), regulating bolt (6) with
The top surface of crossbeam (3) and bottom surface lean.
3. vertical carving and milling machine spindle motor mounting structure according to claim 2, it is characterised in that the regulating bolt
(6) pad is provided with bonding jumper (7) between the top surface of crossbeam (3) and bottom surface.
4. vertical carving and milling machine spindle motor mounting structure according to claim 1, it is characterised in that the bolt level is adjusted
Section mechanism includes the second mounting groove (3f) being opened on crossbeam (3) trailing flank, the upper side wall of the second mounting groove (3f) and downside
The many pieces of regulating bolts (6) are threaded with wall, the front side portion of head (1) is embedded in the second mounting groove (3f), regulation
Bolt (6) leans with the top surface of head (1) front side portion and bottom surface.
5. vertical carving and milling machine spindle motor mounting structure according to claim 4, it is characterised in that the regulating bolt
(6) pad is provided with bonding jumper (7) between the top surface of head (1) front side portion and bottom surface.
6. vertical carving and milling machine spindle motor mounting structure as claimed in any of claims 1 to 5, it is characterised in that
The crossbeam (3) includes bottom girder portion (3a) and protrudes the motor portions (3b) of bottom girder portion (3a), and the thickness of motor portions (3b) is small
In bottom girder portion (3a) thickness.
7. vertical carving and milling machine spindle motor mounting structure according to claim 6, it is characterised in that all motor peaces
Fill the longitudinal equidistantly distributed of hole (3d) along motor portions (3b).
8. vertical carving and milling machine spindle motor mounting structure according to claim 6, it is characterised in that the spindle motor
(2) there is ring flange (2a) and cylindrical main body (2b), main body (2b) passes through the motor installing hole (3d) of crossbeam (3)；Electricity
There is the boss that the ring flange (2a) with spindle motor (2) matches at motor installing hole (3d) outer rim of support portion (3b) bottom surface
(3e)；Ring flange (2a) is leant with boss (3e), and ring flange (2a) is fastened by the second fastening bolt (4) and crossbeam (3) to be connected
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650225.6A CN105127763B (en) | 2015-10-10 | 2015-10-10 | Vertical carving and milling machine spindle motor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650225.6A CN105127763B (en) | 2015-10-10 | 2015-10-10 | Vertical carving and milling machine spindle motor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105127763A CN105127763A (en) | 2015-12-09 |
| CN105127763B true CN105127763B (en) | 2017-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510650225.6A Active CN105127763B (en) | 2015-10-10 | 2015-10-10 | Vertical carving and milling machine spindle motor mounting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN105127763B (en) |
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| JPH06190666A (en) * | 1992-10-30 | 1994-07-12 | Heyligenstaedt Gmbh & Co Kg | Machine tool |
| US5368425A (en) * | 1992-07-31 | 1994-11-29 | Ford Motor Company | Multi-axis linear motor positioner with Y-axis supported at single end |
| CN102151883A (en) * | 2011-03-30 | 2011-08-17 | 南南铝业股份有限公司 | Multihead synchronous or asynchronous carving (drilling) milling numerical control processing equipment |
| CN203076668U (en) * | 2013-01-28 | 2013-07-24 | 深圳市仕兴鸿精密机械设备有限公司 | Engraving-milling machine |
| CN203831180U (en) * | 2013-12-20 | 2014-09-17 | 赫比（上海）通讯科技有限公司 | Engraving and milling machine |
| CN203920187U (en) * | 2014-06-19 | 2014-11-05 | 陈美青 | A kind of mounting structure of carving carving motor in milling machine |
| CN204398726U (en) * | 2015-01-20 | 2015-06-17 | 陈美青 | Electric machine fixation structure in carving milling machine |
| CN204486880U (en) * | 2015-02-05 | 2015-07-22 | 温岭市科锐数控设备有限公司 | The head of carving milling machine |
| CN205008865U (en) * | 2015-10-10 | 2016-02-03 | 陈美青 | Vertical carving mills quick -witted spindle motor mounting structure |
-
2015
- 2015-10-10 CN CN201510650225.6A patent/CN105127763B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368425A (en) * | 1992-07-31 | 1994-11-29 | Ford Motor Company | Multi-axis linear motor positioner with Y-axis supported at single end |
| JPH06190666A (en) * | 1992-10-30 | 1994-07-12 | Heyligenstaedt Gmbh & Co Kg | Machine tool |
| CN102151883A (en) * | 2011-03-30 | 2011-08-17 | 南南铝业股份有限公司 | Multihead synchronous or asynchronous carving (drilling) milling numerical control processing equipment |
| CN203076668U (en) * | 2013-01-28 | 2013-07-24 | 深圳市仕兴鸿精密机械设备有限公司 | Engraving-milling machine |
| CN203831180U (en) * | 2013-12-20 | 2014-09-17 | 赫比（上海）通讯科技有限公司 | Engraving and milling machine |
| CN203920187U (en) * | 2014-06-19 | 2014-11-05 | 陈美青 | A kind of mounting structure of carving carving motor in milling machine |
| CN204398726U (en) * | 2015-01-20 | 2015-06-17 | 陈美青 | Electric machine fixation structure in carving milling machine |
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| CN205008865U (en) * | 2015-10-10 | 2016-02-03 | 陈美青 | Vertical carving mills quick -witted spindle motor mounting structure |
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| Publication number | Publication date |
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| CN105127763A (en) | 2015-12-09 |
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