CN104400445A - Tool bar support system for processing irregular deep inner cavity - Google Patents
Tool bar support system for processing irregular deep inner cavity Download PDFInfo
- Publication number
- CN104400445A CN104400445A CN201410549147.6A CN201410549147A CN104400445A CN 104400445 A CN104400445 A CN 104400445A CN 201410549147 A CN201410549147 A CN 201410549147A CN 104400445 A CN104400445 A CN 104400445A
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- China
- Prior art keywords
- support
- knife bar
- piston
- bar
- contact 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
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention provides a tool bar support system for processing an irregular deep inner cavity. The system comprises a cutter yaw connected with a cutter for processing the irregular deep inner cavity, a tool bar connected with the cutter yaw and provided with an air hole formed in the tool bar and multiple piston holding holes, and multiple extension mechanisms as many as the piston holding holes. Each of the extension mechanisms comprises a support rod, a piston, a support contact head, a pressure sensor, an oil pressure locking device and a spring, wherein the piston is connected to one end of the support rod, is mounted in one corresponding piston holding hole, and receives air pressure from the air hole of the tool bar; the support contact head is arranged at the other end of the support rod, and receives air pressure of air from the corresponding air hole and the piston holding hole when the irregular deep inner cavity is processed; the air pressure propels the piston, the piston drives the support rod, and the support rod drives the support contact head, so that the support contact head outwards extends to contact with the inner cavity wall of the irregular deep inner cavity; the pressure sensor is mounted on the support contact head; the oil pressure locking device is arranged on the tool bar; and the spring is mounted between the oil pressure locking device and the piston.
Description
Technical field
The present invention relates to a kind of self adaptation support system of irregular dark embedded SMA actuators, particularly relate to a kind of knife bar support system of irregular dark embedded SMA actuators.
Background technology
Add man-hour carrying out dark chamber, because knife bar cantilever is oversize, knife bar is easy to produce bending and vibration, can have a huge impact like this to crudy.In order to reduce the bending of knife bar and vibration, improving machining accuracy, in order to try auxiliary support mechanism can be set on knife bar.If when adopting support bar or back-up block and chamber wall contact action power to realize supporting in prior art, be substantially all adopt the support bar of uniform length or back-up block to carry out " rigidity " supplemental support.But when inner chamber is irregular time, after cutter moves at every turn, support bar needed for support or back-up block length will change, and therefore for irregular dark chamber processing, support system just needs the length automatically regulating required support bar or back-up block according to chamber wall shape.
Summary of the invention
In view of Problems existing in background technology, the object of the present invention is to provide a kind of knife bar support system of irregular dark embedded SMA actuators, it can reduce the bending and vibration of the knife bar of irregular dark chamber processing.
Another object of the present invention is to the knife bar support system providing a kind of irregular dark embedded SMA actuators, it can avoid support bar to the destruction of internal chamber wall.
To achieve these goals, the invention provides a kind of knife bar support system of irregular dark embedded SMA actuators, it comprises: cutter yaw, is connected with the cutter processed irregular dark inner chamber; Knife bar, connects cutter yaw and has being axially set in the pore in the shaft of knife bar and being arranged at multiple piston accepting hole that is in the bar head of knife bar and that be communicated with pore along the radial direction of knife bar along knife bar; And multiple telescoping mechanism, quantitatively identical with piston accepting hole.Each telescoping mechanism comprises: support bar; Piston, is connected to one end of support bar, and to be arranged in a corresponding piston accepting hole and the gas pressure accepted from the pore of knife bar; Support contact head, be arranged at the other end of support bar, when irregular dark embedded SMA actuators, accept the gas pressure derivation piston of the gas from corresponding pore, corresponding piston accepting hole, piston driving support bar, support bar drive support contact head, make support contact head protruding, to contact with the internal chamber wall of irregular dark inner chamber; Pressure sensor, is arranged on and supports on contact head, and when supporting contact head and contacting with internal chamber wall, induction contact force, automatically to regulate the outwardly directed length of support bar thus the change of adaptation internal chamber wall shape; Oil pressure locking device, is arranged on knife bar, when the outwardly directed length of support bar is determined by pressure sensor, utilizes oil pressure locking support bar, and sheds the gas pressure of the gas in pore, corresponding piston accepting hole simultaneously; And spring, be arranged between oily hold down gag and piston, to apply elastic force to piston, and when cutter needs mobile, oil pressure locking device sheds oil pressure, and spring utilizes screen resilience drive piston movement and support bar is retracted.
Beneficial effect of the present invention is as follows:
The change that support bar length regulates to adapt to internal chamber wall shape is automatically realized by the pressure sensor of telescoping mechanism, oil pressure locking device is finally utilized to ensure the good contact of support bar and internal chamber wall, the bending of knife bar and vibration is reduced with this, ensure crudy, avoid support bar to the destruction of internal chamber wall simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of the knife bar support system according to irregular dark embedded SMA actuators of the present invention, wherein, for the sake of clarity, the structure of telescoping mechanism and oil pressure locking device is shown with broken section;
Fig. 2 is the top view of the knife bar support system according to irregular dark embedded SMA actuators of the present invention.
Wherein, description of reference numerals is as follows:
1 cutter yaw 34 pressure sensor
K cutter 35 oil pressure locking device
2 knife bar 351 staies
21 shaft 352 fuel feeding pedestals
211 pore 3521 oil ducts
22 bar head 3522 oil pockets
221 piston accepting hole 353 sealing rings
3 telescoping mechanism F flanges
31 support bar 36 springs
32 piston 4 adhesives
33 support contact head
Detailed description of the invention
Describe the knife bar support system according to irregular dark embedded SMA actuators of the present invention with reference to the accompanying drawings in detail.
See figures.1.and.2, the knife bar support system according to irregular dark embedded SMA actuators of the present invention comprises: cutter yaw 1, is connected with the cutter K processed irregular dark inner chamber; Knife bar 2, connects cutter yaw 1 and has and be arranged at multiple piston accepting hole 221 that is in the bar head 22 of knife bar 2 and that be communicated with pore 211 along the pore 211 in the shaft 21 being axially set in knife bar 2 of knife bar 2 and along the radial direction of knife bar 2; And multiple telescoping mechanism 3, quantitatively identical with piston accepting hole 221.
Wherein, each telescoping mechanism 3 comprises: support bar 31; Piston 32, is connected to one end of support bar 31, and to be arranged in a corresponding piston accepting hole 221 and the gas pressure accepted from the pore 211 of knife bar 2; Support contact head 33, be arranged at the other end of support bar 31, when irregular dark embedded SMA actuators, accept the gas pressure derivation piston 32 of the gas from corresponding pore 211, corresponding piston accepting hole 221, piston 32 drives support bar 31, support bar 31 to drive to support contact head 33, make support contact head 33 protruding, to contact with the internal chamber wall of irregular dark inner chamber; Pressure sensor 34, is arranged on and supports on contact head 33, and when supporting contact head 33 and contacting with internal chamber wall, induction contact force, automatically to regulate the outwardly directed length of support bar 31 thus the change of adaptation internal chamber wall shape; Oil pressure locking device 35, is arranged on knife bar 2, when the outwardly directed length of support bar 31 is determined by pressure sensor 34, utilizes oil pressure locking support bar 31, and sheds the gas pressure of the gas in pore 211, corresponding piston accepting hole 221 simultaneously; And spring 36, be arranged between oily hold down gag 35 and piston 32, to apply elastic force to piston 32, and when cutter K needs mobile, oil pressure locking device 35 sheds oil pressure, and spring 36 utilizes screen resilience to drive piston 32 move and support bar 31 is retracted.
The change that support bar 31 length regulates to adapt to internal chamber wall shape is automatically realized by the pressure sensor 34 of telescoping mechanism 3, oil pressure locking device 35 is finally utilized to ensure the good contact of support bar 31 and internal chamber wall, the bending of knife bar 2 and vibration is reduced with this, ensure crudy, avoid the destruction of support bar 31 pairs of internal chamber walls simultaneously.Support system of the present invention both can be used as the dark embedded SMA actuators auxiliary support apparatus of rule, also can as the auxiliary support apparatus of irregular dark embedded SMA actuators.
In the embodiment supporting contact head 33, see figures.1.and.2, support contact head 33 and can be semiglobe.
In an embodiment of the knife bar support system of irregular dark embedded SMA actuators according to the present invention, support the hardness of material hardness lower than the internal chamber wall of the irregular dark inner chamber carrying out processing of contact head 33.When supporting hardness lower than the internal chamber wall of the irregular dark inner chamber carrying out processing of the material hardness of contact head 33, owing to supporting the material of contact head 33 employing than internal chamber wall material softer, but self has again certain hardness, for a kind of " half is flexible " supports, therefore can not produce destruction to luminal wall surface, prevent supporting contact head 33 simultaneously and produce larger distortion owing to supporting.
In an embodiment of the knife bar support system of irregular dark embedded SMA actuators according to the present invention, support contact head 33 and be arranged on support bar 31 by adhesive 4.
In an embodiment of oil pressure locking device 35, see figures.1.and.2, each oil pressure locking device 35 can comprise: stay 351, is sleeved on support bar 31; Fuel feeding pedestal 352, to be fixed on knife bar 2 and to be fixedly set on stay 351, be provided with oil duct 3521 and oil pocket 3522, oil duct 3521 is communicated with outside fueller, oil pocket 3522 is communicated with oil duct 3521, and the oil that outside fueller provides enters oil pocket 3522 via oil duct 3521, exerts pressure to carry out radial direction to stay 351, thus under the effect of oil pressure, stay 351 deforms and locking support bar 31; And sealing ring 353, along the junction being positioned at oil pocket 3522 both sides be axially set between fuel feeding pedestal 352 and stay 351 of support bar 31.
In an embodiment of the knife bar support system of irregular dark embedded SMA actuators according to the present invention, see figures.1.and.2, fuel feeding pedestal 352 can be formed with flange F, and fuel feeding pedestal 352 is fixed on knife bar 2 by flange F.
In an embodiment of stay 351, stay 351 can be elastic component.Stay 351 can return to reset condition after being out of shape.
In an embodiment of the knife bar support system of irregular dark embedded SMA actuators according to the present invention, see figures.1.and.2, support bar 31 can be column structure, and stay 351 can be annular.But be not limited thereto, can change according to actual needs.
In an embodiment of the knife bar support system of irregular dark embedded SMA actuators according to the present invention, described multiple piston accepting hole 221 is equidistantly arranged along the circumference of knife bar 2.Shown in Fig. 2, totally four piston accepting holes 221 are equidistantly arranged along the circumference of knife bar 2, but are not limited thereto, and can change according to actual needs.
When processing the internal chamber wall of irregular dark inner chamber, in the example shown in Fig. 1 and Fig. 2, air-flow is protruding by the pore 211 in the shaft 21 of knife bar 2, piston accepting hole 221 four each and every one support bars 31 of deriving, and spring 32 compresses.After the support contact head 33 of support bar 31 contacts with internal chamber wall, pressure sensor 34 will respond to the size of exerting oneself.After the force value detected when the pressure sensor 34 be arranged on four support bars 31 is greater than setting value, pressure oil just enters in corresponding oil pocket 3522 by oil duct 3521, and under the effect of oil pressure, stay 351 deforms, thus locking support bar 31.After four support bars 31 are all locked, air pressure sheds, and now utilizes the contact action power of support bar 31 and internal chamber wall namely to realize the support of knife bar 2.When cutter K needs mobile, oil pressure sheds, and stay 351 returns to reset condition, and under the effect of spring 36, support bar 31 is regained, and can avoid the destruction of support bar 31 pairs of internal chamber walls.
Claims (9)
1. a knife bar support system for irregular dark embedded SMA actuators, is characterized in that, comprising:
Cutter yaw (1), is connected with the cutter (K) processed irregular dark inner chamber;
Knife bar (2), connects cutter yaw (1) and the axial direction had along knife bar (2) is arranged at the pore (211) in the shaft (21) of knife bar (2) and is arranged at multiple piston accepting hole (221) that is in the bar head (22) of knife bar (2) and that be communicated with pore (211) along the radial direction of knife bar (2); And
Multiple telescoping mechanism (3), quantitatively identical with piston accepting hole (221), each telescoping mechanism (3) comprising:
Support bar (31);
Piston (32), is connected to one end of support bar (31), and to be arranged in a corresponding piston accepting hole (221) and the gas pressure accepted from the pore (211) of knife bar (2);
Support contact head (33), be arranged at the other end of support bar (31), when irregular dark embedded SMA actuators, the gas pressure derivation piston (32), the piston (32) that accept the gas from corresponding pore (211), corresponding piston accepting hole (221) drive support bar (31), support bar (31) to drive support contact head (33), make support contact head (33) protruding, to contact with the internal chamber wall of irregular dark inner chamber;
Pressure sensor (34), be arranged on and support on contact head (33), when supporting contact head (33) and contacting with internal chamber wall, induction contact force, automatically to regulate support bar (31) outwardly directed length thus the change of adaptation internal chamber wall shape;
Oil pressure locking device (35), be arranged on knife bar (2), when support bar (31) outwardly directed length is determined by pressure sensor (34), utilize oil pressure locking support bar (31), and shed the gas pressure of the gas in pore (211), corresponding piston accepting hole (221) simultaneously; And
Spring (36), be arranged between oily hold down gag (35) and piston (32), to apply elastic force to piston (32), and when cutter (K) needs mobile, oil pressure locking device (35) sheds oil pressure, and spring (36) utilizes screen resilience drive piston (32) motion and support bar (31) is retracted.
2. the knife bar support system of irregular dark embedded SMA actuators according to claim 1, is characterized in that, supporting contact head (33) is semiglobe.
3. the knife bar support system of irregular dark embedded SMA actuators according to claim 1, is characterized in that, supports the hardness of material hardness lower than the internal chamber wall of the irregular dark inner chamber carrying out processing of contact head (33).
4. the knife bar support system of irregular dark embedded SMA actuators according to claim 1, is characterized in that, supports contact head (33) and is arranged on support bar (31) by adhesive (4).
5. the knife bar support system of irregular dark embedded SMA actuators according to claim 1, is characterized in that, each oil pressure locking device (35) comprising:
Stay (351), is sleeved on support bar (31);
Fuel feeding pedestal (352), be fixed on knife bar (2) go up and be fixedly set on stay (351), be provided with oil duct (3521) and oil pocket (3522), oil duct (3521) is communicated with outside fueller, oil pocket (3522) is communicated with oil duct (3521), the oil that outside fueller provides enters oil pocket (3522) via oil duct (3521), exert pressure to carry out radial direction to stay (351), thus under the effect of oil pressure, stay (351) deforms and locking support bar (31); And
Sealing ring (353), along the junction being positioned at oil pocket (3522) both sides be axially set between fuel feeding pedestal (352) and stay (351) of support bar (31).
6. the knife bar support system of irregular dark embedded SMA actuators according to claim 5, is characterized in that,
Fuel feeding pedestal (352) is formed with flange (F), and fuel feeding pedestal (352) is fixed on knife bar (2) by flange (F).
7. the knife bar support system of irregular dark embedded SMA actuators according to claim 5, is characterized in that, stay (351) is elastic component.
8. the knife bar support system of irregular dark embedded SMA actuators according to claim 5, is characterized in that, support bar (31) is column structure, and stay (351) is annular.
9. the knife bar support system of irregular dark embedded SMA actuators according to claim 1, is characterized in that, described multiple piston accepting hole (221) is equidistantly arranged along the circumference of knife bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549147.6A CN104400445B (en) | 2014-10-16 | 2014-10-16 | The knife bar support system of irregular deep embedded SMA actuators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549147.6A CN104400445B (en) | 2014-10-16 | 2014-10-16 | The knife bar support system of irregular deep embedded SMA actuators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104400445A true CN104400445A (en) | 2015-03-11 |
| CN104400445B CN104400445B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410549147.6A Active CN104400445B (en) | 2014-10-16 | 2014-10-16 | The knife bar support system of irregular deep embedded SMA actuators |
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| Country | Link |
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| CN (1) | CN104400445B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231700A (en) * | 2021-04-29 | 2021-08-10 | 张飞 | Threading machine die teeth mechanism for construction |
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| CN2619745Y (en) * | 2003-05-22 | 2004-06-09 | 上海重型机床厂 | Machine tool for machining plane in ultra-length deep cavity |
| CN2714213Y (en) * | 2004-05-27 | 2005-08-03 | 施南飞 | Integrated rotating cutter for processing high hardness roller |
| CN201324848Y (en) * | 2008-12-24 | 2009-10-14 | 常州宝菱重工机械有限公司 | Processing device for large work piece irregular cavity |
| CN101659008A (en) * | 2009-09-01 | 2010-03-03 | 龙口市大川活塞有限公司 | Numerical control full automatic piston processing center |
| CN201483033U (en) * | 2009-09-04 | 2010-05-26 | 钻科(北京)科技有限公司 | Shaft parts deep hole processing system |
| KR20110127004A (en) * | 2010-05-18 | 2011-11-24 | 주식회사 이엔케이 | Apparatus for cutting crack part on inner bottom of high-pressure tube container |
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2014
- 2014-10-16 CN CN201410549147.6A patent/CN104400445B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619745Y (en) * | 2003-05-22 | 2004-06-09 | 上海重型机床厂 | Machine tool for machining plane in ultra-length deep cavity |
| CN2714213Y (en) * | 2004-05-27 | 2005-08-03 | 施南飞 | Integrated rotating cutter for processing high hardness roller |
| CN201324848Y (en) * | 2008-12-24 | 2009-10-14 | 常州宝菱重工机械有限公司 | Processing device for large work piece irregular cavity |
| CN101659008A (en) * | 2009-09-01 | 2010-03-03 | 龙口市大川活塞有限公司 | Numerical control full automatic piston processing center |
| CN201483033U (en) * | 2009-09-04 | 2010-05-26 | 钻科(北京)科技有限公司 | Shaft parts deep hole processing system |
| KR20110127004A (en) * | 2010-05-18 | 2011-11-24 | 주식회사 이엔케이 | Apparatus for cutting crack part on inner bottom of high-pressure tube container |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231700A (en) * | 2021-04-29 | 2021-08-10 | 张飞 | Threading machine die teeth mechanism for construction |
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| CN104400445B (en) | 2016-08-24 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Zhengda Inventor after: Xu Jing Inventor after: Yang Xiangdong Inventor after: Liu Li Inventor after: Lv Jiangwei Inventor after: Liu Hong Inventor after: Xu Jing Inventor after: Chen Ken Inventor after: Jiang Wei Inventor after: Wu Dan Inventor after: Zeng Xiuyu Inventor after: Lu Dawei Inventor after: Wang Guolei Inventor before: Zhou Kai Inventor before: Li Jinquan Inventor before: Chen Hongan Inventor before: Qian Qi Inventor before: Chen Ken Inventor before: Wu Dan Inventor before: Lv Jiangwei Inventor before: Yang Xiangdong Inventor before: Liu Li Inventor before: Wang Guolei Inventor before: Xu Jing |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160121 Address after: The dam, 610073 Chengdu Road, Sichuan Province Huang Tian Qingyang District No. 88 Applicant after: Chengdu Airplane Industry (Group) Corp., Ltd. Applicant after: Tsinghua University Address before: 100084 Beijing City, Haidian District Tsinghua Yuan Applicant before: Tsinghua University |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |