CN103801728B - Boring machine - Google Patents
Boring machine Download PDFInfo
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- CN103801728B CN103801728B CN201210437267.8A CN201210437267A CN103801728B CN 103801728 B CN103801728 B CN 103801728B CN 201210437267 A CN201210437267 A CN 201210437267A CN 103801728 B CN103801728 B CN 103801728B
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- Prior art keywords
- packing ring
- assembly
- surface packing
- concave surface
- convex surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
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- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Present invention is disclosed a kind of boring machine, for pcb board is holed, including electric machine assembly, spindle assemblies and for connecting the coaxial degree adaptive connection device of described electric machine assembly and described spindle assemblies, described coaxial degree adaptive connection device includes the coaxial degree self-reacting device connecting assembly and being connected with described connection assembly, and described coaxial degree self-reacting device includes convex surface packing ring and the concave surface packing ring contacted with each other.Compared to prior art, boring machine of the present invention is owing to being provided with coaxial degree self-reacting device, described coaxial degree self-reacting device has the convex surface packing ring and concave surface packing ring contacted with each other, described spindle assemblies and the installation site deviation of electric machine assembly is eliminated by the relative movement between described convex surface packing ring and described concave surface packing ring, reduce described spindle assemblies, the machining accuracy of electric machine assembly, the requirement of assembly precision, reduce production cost, improve production efficiency.
Description
Technical field
The present invention relates to a kind of boring machine, particularly relate to a kind of PCB boring machine with Z axis air supporting nested structure.
Background technology
In the range of air supporting set limits, Z axis air supporting nested structure PCB (printed circuit board, flexible printed circuit board) boring machine completes, by up and down motion, This move of holing under the driving of high-speed electric expreess locomotive.Fig. 1 show existing Z axis air supporting nested structure PCB drilling machine structure schematic diagram, wherein by connecting assembly 3 ' (being made up of connector 31 ', 32 ' and steel wire 33 ') connection between spindle assemblies 2 ' (being made up of the gentle empty boasting of main shaft 21 ' 22 ') and electric machine assembly 1 ' (being driven plate 12 ' to constitute by motor 11 ' and motor).Because there is deviation between spindle assemblies 2 ' and electric machine assembly 1 ' initial makeup location and mutual movement locus, simultaneously for ensureing the reliability of main shaft 21 ' upper-lower position, so connecting assembly 3 ' must have the characteristic that axial stiffness is strong, radial direction has certain flexibility.Deviation between spindle assemblies 2 ' and the installation site of electric machine assembly 1 ' and mutual movement locus is the biggest, and described connection assembly 3 ' is the highest to flexible requirement.Owing to described spindle assemblies 2 ' and electric machine assembly 1 ' are the biggest to the aging effects connecting assembly 3 ', therefore to improve stability, extend life-span of described connection assembly 3 ', it is necessary to make described spindle assemblies 2 ' and described electric machine assembly 1 ' have certain machining accuracy and assembly precision.But, machining accuracy, assembly precision are the highest, and the cost producing described Z axis air supporting nested structure PCB boring machine is the highest, production efficiency is the lowest.
In view of the above problems, it is necessary to a kind of installation site deviation that can automatically eliminate between spindle assemblies and electric machine assembly is provided thus reduces the boring machine that described spindle assemblies, the machining accuracy of electric machine assembly, assembly precision are required, to solve the problems referred to above.
Summary of the invention
For the deficiencies in the prior art, present invention solves the technical problem that and be to provide a kind of boring machine, this boring machine can automatically eliminate the installation site deviation between spindle assemblies and electric machine assembly thus reduce described spindle assemblies, the machining accuracy of electric machine assembly, assembly precision requirement.
For solving above-mentioned technical problem, the technical scheme is that and be achieved in that:
nullA kind of boring machine，For pcb board is holed，Including electric machine assembly、Spindle assemblies and be used for connecting the coaxial degree adaptive connection device of described electric machine assembly and described spindle assemblies，Described coaxial degree adaptive connection device includes the coaxial degree self-reacting device connecting assembly and being connected with described connection assembly，Described coaxial degree self-reacting device includes convex surface packing ring and the concave surface packing ring contacted with each other，Described convex surface packing ring has the first plane and convex surface outwardly，Described concave surface packing ring has the second plane and the concave surface caved inward，Angle between first plane and second plane of concave surface packing ring of described convex surface packing ring is corresponding with the installation site deviation between spindle assemblies and electric machine assembly，And eliminate the installation site deviation between spindle assemblies and electric machine assembly by described angle，To regulate electric machine assembly、Connect assembly and the coaxial degree of spindle assemblies.
Further, described coaxial degree self-reacting device is between described electric machine assembly and described connection assembly.
Further, described convex surface packing ring is connected with described electric machine assembly, and described concave surface packing ring is connected with the described assembly that is connected.
Further, described convex surface packing ring is connected with the described assembly that is connected, and described concave surface packing ring is connected with described electric machine assembly.
Further, described coaxial degree self-reacting device is between described spindle assemblies and described connection assembly.
Further, described convex surface packing ring is connected with described spindle assemblies, and described concave surface packing ring is connected with the described assembly that is connected.
Further, described convex surface packing ring is connected with the described assembly that is connected, and described concave surface packing ring is connected with described spindle assemblies.
Further, the convex surface of described convex surface packing ring is sphere, and the concave surface of described concave surface packing ring is sphere or the conical surface.
Further, described connection assembly includes the first connector, the second connector and for connecting described first connector and the 3rd connector of described second connector, and described 3rd connector is steel wire.
The invention has the beneficial effects as follows: compared to prior art, boring machine of the present invention is owing to being provided with coaxial degree self-reacting device, described coaxial degree self-reacting device has the convex surface packing ring and concave surface packing ring contacted with each other, described spindle assemblies and the installation site deviation of electric machine assembly is eliminated by the relative movement between described convex surface packing ring and described concave surface packing ring, reduce described spindle assemblies, the machining accuracy of electric machine assembly, the requirement of assembly precision, reduce production cost, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the PCB boring machine schematic diagram of existing Z axis air supporting nested structure.
Fig. 2 is the boring machine schematic diagram of first embodiment of the invention.
Fig. 3 is the sectional view of the coaxial degree self-reacting device of boring machine shown in Fig. 2.
Fig. 4 is the convex surface packing ring of the coaxial degree self-reacting device of boring machine shown in Fig. 2 sectional view when separating with concave surface packing ring.
Fig. 5 is the sectional view that first plane of convex surface packing ring of the coaxial degree self-reacting device of boring machine shown in Fig. 2 and the second plane of concave surface packing ring have certain angle.
Fig. 6 is the boring machine schematic diagram of second embodiment of the invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, describe the present invention with specific embodiment below in conjunction with the accompanying drawings.
Referring to shown in Fig. 2, the boring machine 100 of first embodiment of the invention has Z axis air supporting nested structure, is used for holing pcb board.Described boring machine 100 includes: electric machine assembly 10, spindle assemblies 20 and be used for connecting the coaxial degree adaptive connection device 30 of described electric machine assembly 10 and described spindle assemblies 20.
Referring to Fig. 2 and combine shown in Fig. 4, described electric machine assembly 10 includes that the motor that motor 11 and the power by described motor 11 pass out drives plate 12.Described spindle assemblies 20 includes main shaft 21 and overlaps 22 for limiting the air supporting of described main shaft 21 range of movement.Described coaxial degree adaptive connection device 30 includes the coaxial degree self-reacting device 32 connecting assembly 31 and being connected with described connection assembly 31.Described connection assembly 31 includes first connector the 311, second connector 312 and for connecting the 3rd connector 313 of described first connector the 311, second connector 312.In the present embodiment, described 3rd connector 313 is steel wire, and described steel wire has rigidity in the axial direction, has certain flexibility diametrically.Described coaxial degree self-reacting device 32 includes convex surface packing ring 33 and concave surface packing ring 34.Described convex surface packing ring 33 includes the first plane 331, the convex surface 332 of outwardly convex and passes described first plane 331 and the first axis hole 333 of described convex surface 332.Described concave surface packing ring 34 includes the second plane 341, cave inward concave surface 342 and through described second plane 341 and the second axis hole 343 of described concave surface 342.The projection of described convex surface packing ring 33 inserts the female of described concave surface packing ring 34 so that the convex surface 332 of described convex surface packing ring 33 is in close contact with the concave surface 342 of described concave surface packing ring 34.In a particular application, the convex surface 332 of described convex surface packing ring 33 is sphere, and the concave surface 342 of described concave surface packing ring 34 is sphere or the conical surface.When the convex surface 332 of described convex surface packing ring 33 is sphere, when the concave surface 342 of described concave surface packing ring 34 is the conical surface, being linear contact lay between described convex surface 332 and described concave surface 342, the contact friction force between described convex surface 332 and described concave surface 342 is the least；When the convex surface 332 of described convex surface packing ring 33 is sphere, when the concave surface 342 of described concave surface packing ring 34 is sphere, contact for face between described convex surface 332 and described concave surface 342, owing to described convex surface packing ring 33, described concave surface packing ring 34 are respectively provided with first axis hole the 333, second axis hole 343, so that the contact area between the concave surface 342 of the convex surface 332 of described convex surface packing ring 33 and described concave surface packing ring 34 diminishes, and then the contact friction force between the convex surface 332 of described convex surface packing ring 33 and the concave surface 342 of described concave surface packing ring 34 is caused to diminish.
When assembling boring machine 100 of the present invention, second connector 312 of described connection assembly 31 is connected with the main shaft 21 of described spindle assemblies 20, described first connector 311 is connected one entirety of formation with described concave surface packing ring 34, and described motor drives plate 12 to be connected one entirety of formation with described convex surface packing ring 33.According to described connection assembly 31, the positional precision of electric machine assembly 10, described coaxial degree self-reacting device 32 can find so that described 3rd connector 313 bends the position of minimum by the relative movement between the concave surface 342 of the convex surface 332 of described convex surface packing ring 33 and described concave surface packing ring 34, make the first plane 331 of described convex surface packing ring 33 and the second plane 341 of described concave surface packing ring 34 form a α angle, thus eliminated the installation site deviation of described spindle assemblies 20 and described electric machine assembly 10 by α angle.When the installation site deviation of described spindle assemblies 20 and described electric machine assembly 10 is zero, described α angle is that zero that is described first plane 331 is parallel to described second plane 341(as shown in Figure 3)；When the installation site deviation of described spindle assemblies 20 and described electric machine assembly 10 is not zero, described α angle is not zero (as shown in Figure 5).In the present embodiment, described convex surface packing ring 33 drives plate 12 to be connected with described motor, described concave surface packing ring 34 is connected with described first connector 311, but in other embodiments, described convex surface packing ring 33 can also be connected with described first connector 311, and described concave surface packing ring 34 can also drive plate 12 to be connected with described motor.
Refer to shown in Fig. 6, the structure of second embodiment of the present invention boring machine 200 is substantially the same with the boring machine 100 in first embodiment, the structure of same section does not the most do repeated description at this, Main Differences is that the connection assembly 231 of the second embodiment boring machine 200 is connected with electric machine assembly 210, and coaxial degree self-reacting device 232 is connected with spindle assemblies 220.In the present embodiment, the convex surface packing ring 233 of described coaxial degree self-reacting device 232 is connected with the described assembly 231 that is connected, described concave surface packing ring 234 is connected with described spindle assemblies 220, but in other embodiments, the convex surface packing ring 233 of described coaxial degree self-reacting device 232 can be connected with described spindle assemblies 220, and described concave surface packing ring 234 is connected with the described assembly 231 that is connected.
Compared to prior art, boring machine 100 of the present invention is owing to being provided with coaxial degree self-reacting device 32, described coaxial degree self-reacting device 32 has the convex surface packing ring 33 and concave surface packing ring 34 contacted with each other, by the relative movement between described convex surface packing ring 33 and described concave surface packing ring 34, find so that described 3rd connector 313 bends the position of minimum, and then eliminate spindle assemblies 20 and the installation site deviation of electric machine assembly 10, reduce production cost, improve production efficiency.
Of particular note, for the person of ordinary skill of the art, the equivalence change for the present invention made under the teachings of the present invention, must be included in the scope that scope of the present invention patent is advocated.
Claims (9)
- null1. a boring machine，For pcb board is holed，Including electric machine assembly、Spindle assemblies and be used for connecting the coaxial degree adaptive connection device of described electric machine assembly and described spindle assemblies，It is characterized in that: described coaxial degree adaptive connection device includes the coaxial degree self-reacting device connecting assembly and being connected with described connection assembly，Described coaxial degree self-reacting device includes convex surface packing ring and the concave surface packing ring contacted with each other，Described convex surface packing ring has the first plane and convex surface outwardly，Described concave surface packing ring has the second plane and the concave surface caved inward，Angle between first plane and second plane of concave surface packing ring of described convex surface packing ring is corresponding with the installation site deviation between spindle assemblies and electric machine assembly，And eliminate the installation site deviation between spindle assemblies and electric machine assembly by described angle，To regulate electric machine assembly、Connect assembly and the coaxial degree of spindle assemblies.
- 2. boring machine as claimed in claim 1, it is characterised in that: described coaxial degree self-reacting device is between described electric machine assembly and described connection assembly.
- 3. boring machine as claimed in claim 2, it is characterised in that: described convex surface packing ring is connected with described electric machine assembly, and described concave surface packing ring is connected with the described assembly that is connected.
- 4. boring machine as claimed in claim 2, it is characterised in that: described convex surface packing ring is connected with the described assembly that is connected, and described concave surface packing ring is connected with described electric machine assembly.
- 5. boring machine as claimed in claim 1, it is characterised in that: described coaxial degree self-reacting device is between described spindle assemblies and described connection assembly.
- 6. boring machine as claimed in claim 5, it is characterised in that: described convex surface packing ring is connected with described spindle assemblies, and described concave surface packing ring is connected with the described assembly that is connected.
- 7. boring machine as claimed in claim 5, it is characterised in that: described convex surface packing ring is connected with the described assembly that is connected, and described concave surface packing ring is connected with described spindle assemblies.
- 8. the boring machine as described in any one in claim 1 to 7, it is characterised in that: the convex surface of described convex surface packing ring is sphere, and the concave surface of described concave surface packing ring is sphere or the conical surface.
- 9. boring machine as claimed in claim 8, it is characterised in that: described connection assembly includes the first connector, the second connector and for connecting described first connector and the 3rd connector of described second connector, and described 3rd connector is steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437267.8A CN103801728B (en) | 2012-11-06 | 2012-11-06 | Boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210437267.8A CN103801728B (en) | 2012-11-06 | 2012-11-06 | Boring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103801728A CN103801728A (en) | 2014-05-21 |
| CN103801728B true CN103801728B (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210437267.8A Active CN103801728B (en) | 2012-11-06 | 2012-11-06 | Boring machine |
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| Country | Link |
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| CN (1) | CN103801728B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4132228A1 (en) * | 1991-09-27 | 1993-04-01 | Fischer Artur Werke Gmbh | DRILLING DEVICE FOR PRODUCING DRILL HOLES WITH UNDERCUT |
| CN2735361Y (en) * | 2004-09-08 | 2005-10-19 | 吴砺 | Optical element connecting device |
| JP2010281151A (en) * | 2009-06-05 | 2010-12-16 | Yasuda Kk | Support fixture for handrail |
| CN102528094A (en) * | 2010-12-23 | 2012-07-04 | 维嘉数控科技（苏州）有限公司 | Z-axis structure of printed circuit board (PCB) drilling machine |
| CN201913280U (en) * | 2010-12-23 | 2011-08-03 | 维嘉数控科技（苏州）有限公司 | Z-axis structure for PCB drilling machine |
| CN202894406U (en) * | 2012-11-06 | 2013-04-24 | 维嘉数控科技（苏州）有限公司 | Drilling machine |
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2012
- 2012-11-06 CN CN201210437267.8A patent/CN103801728B/en active Active
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| CN103801728A (en) | 2014-05-21 |
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Address after: No.188 Chuangyuan Road, industrial park, Suzhou, Jiangsu Province, 215000 Patentee after: Suzhou Weijia Technology Co.,Ltd. Address before: 215021 Building 1, Venture Capital Industrial Park, Yangchenghu Avenue, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee before: VEGA CNC TECHNOLOGY (SUZHOU) Co.,Ltd. |