CN108406630A - Anti-deformation automatic protection air pressure bench vice - Google Patents
Anti-deformation automatic protection air pressure bench vice Download PDFInfo
- Publication number
- CN108406630A CN108406630A CN201810476644.6A CN201810476644A CN108406630A CN 108406630 A CN108406630 A CN 108406630A CN 201810476644 A CN201810476644 A CN 201810476644A CN 108406630 A CN108406630 A CN 108406630A
- Authority
- CN
- China
- Prior art keywords
- jaw module
- workpiece
- air pressure
- push plate
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/06—Arrangements for positively actuating jaws
- B25B1/10—Arrangements for positively actuating jaws using screws
- B25B1/103—Arrangements for positively actuating jaws using screws with one screw perpendicular to the jaw faces, e.g. a differential or telescopic screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/24—Details, e.g. jaws of special shape, slideways
Abstract
A kind of this bright anti-deformation automatic protection air pressure bench vice of offer; it includes the regular jaw module; the side of moving jaw module described in the regular jaw module face is provided with sliding groove; slidable fit has push plate in the sliding groove; it is provided with piezoelectric material on the front end face of the push plate, telescopic rod is vertically and fixedly provided on the rear end face of the push plate；Telescopic hole is provided on the rear end face of the sliding groove, the back-end sealing of the telescopic hole is equipped with solenoid valve, and the solenoid valve is connect by conducting wire with the piezoelectric material；The rear end of the telescopic rod is provided with piston, and the piston is slidedly assemblied in the telescopic hole；The anti-deformation automatic protection air pressure bench vice is a kind of variation of the automatic detection workpiece clamping force suffered when stepping up of the adjusting by air pressure; when occurring excessively stepping up; it is automatic to unclamp the clamping that workpiece is shortened to protect workpiece and correction duration, improve the device of clamping efficiency.
Description
Technical field
The present invention relates to field of fixtures, are to be related to a kind of air clamp particularly.
Background technology
Fixture refers to that machine-building is used for fixing processing object in the process, is allowed to occupy correct position, to receive construction
Or the device of detection, also known as fixture.Fixture is usually by setting element, clamping device, to knife induction element, indexing means, connection
The compositions such as element and clamp body.Existing fixture is in clamping workpiece, the face usually on the basis of two parallel surfaces of workpiece, then leads to
The clamping device crossed on fixture carries out clamping to it；When the texture material of workpiece is softer, user must be reasonable in clamping
Control clamping dynamics, if clamping force is too small, clamping workpiece can be caused to loosen, processing when occur workpiece movement show
As；If clamping force is excessive, workpiece can be caused to be deformed；And existing fixture can not detect the device of clamping force,
User is also performed manually by measurement in clamping, therefore the error of clamping is larger, is unfavorable for improving the clamping precision of workpiece；Together
When, workpiece in clamping process should steady stress, and user has error for the control of clamping force when hand-operated clamping,
It will also result in the damage of workpiece.In addition, when for large batch of work pieces process, user needs to repeat clamping and dismounting
Process, process is cumbersome, and user is also required to take more time when adjusting clamping force, is unfavorable for improving processing effect
Rate.In conclusion therefore there is defects.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of anti-deformation automatic protection air pressure bench vice, pass through gas
The variation of the automatic detection workpiece clamping force suffered when stepping up of adjusting of pressure, when occurring excessively stepping up, it is automatic unclamp to
Protect workpiece.In addition, shortening the clamping and correction duration of workpiece, clamping efficiency is improved.
The technical proposal for solving the technical problem of the invention is：The anti-deformation automatic protection air pressure bench vice, it is wrapped
Include regular jaw module；The regular jaw module bottom is provided with rotary disk basement, and the regular jaw inside modules are provided with cunning
Hole is installed with nut in the slide opening, lead screw is equipped in the nut；It is provided in front of the regular jaw module
Moving jaw module, the moving jaw module include lead screw rocking bar, and the lead screw rocking bar is assemblied in the end of the lead screw, institute
Moving jaw module is stated to be sequentially connected by the lead screw and the regular jaw module；Described in the regular jaw module face
The side of moving jaw module is provided with sliding groove, and slidable fit has a push plate in the sliding groove, on the front end face of the push plate
It is provided with piezoelectric material, telescopic rod is vertically and fixedly provided on the rear end face of the push plate；It is provided on the rear end face of the sliding groove
The back-end sealing of telescopic hole, the telescopic hole is equipped with solenoid valve, and the solenoid valve is connect by conducting wire with the piezoelectric material；
The rear end of the telescopic rod is provided with piston, and the piston is slidedly assemblied in the telescopic hole.
Preferably, the telescopic rod, the piston and the solenoid valve are set as symmetrical two groups, on the solenoid valve
It is provided with manual switch.
Preferably, be provided with locating module on the moving jaw, the locating module includes fixed plate and expansion plate,
The fixed plate inside edge on the same line, is provided with fixed block, institute with the push plate outside edge on the expansion plate
It states and is connected with spring between fixed block and the expansion plate.
Preferably, being provided with barometer in the telescopic hole, external pressure index table is provided on the barometer.
The beneficial effects of the present invention are：When in use, user is logical first for the anti-deformation automatic protection air pressure bench vice
It crosses and rotates the lead screw rocking bar adjusting lead screw, by the spacing between the regular jaw module and the moving jaw module
It is adjusted to suitable distance；Then workpiece is placed between the regular jaw module and the moving jaw module, by work
The reference plane of part is directed at the push plate, is further continued for adjusting the lead screw so that the moving jaw module is to the regular jaw
The side of module is moved, and workpiece is slowly clamped by the moving jaw module and the push plate at this time；When workpiece is clamped to one
When determining degree, by the deboost of workpiece, which acts on the piezoelectric material in the push plate for the push plate so that the pressure
Electric material generates electric signal；When electric signal passes to the solenoid valve by the conducting wire, the solenoid valve is closed so that institute
It states and forms a closed space in telescopic hole；And workpiece can continue to apply thrust to the push plate in clamping process so that
The telescopic rod drives the piston to the medial movement of the telescopic hole, and the air pressure in the telescopic hole increases therewith；The mistake
Cheng Zhong, the air pressure in the telescopic hole can slowly absorb the thrust that workpiece is generated by clamping so that workpiece uniform force
And slowly, it avoids workpiece and generates the phenomenon that damaging because stress is excessive.
When clamped workpiece reaches best clamping force, the constant propulsion in the push plate；If user continues to work
Part clamps, and workpiece can then occur bending and deformation because clamping force is excessive, and the rigidity of workpiece also converts therewith, at this time in the push plate
Thrust can also reduce, the piezoelectric material in the push plate generates electric signal again because dynamics changes；Electric signal acts on institute
State solenoid valve so that the solenoid valve is opened, and the gas in the telescopic hole is released at this time, and air pressure inside is in ambient pressure
Balance, the then push plate disappear for the clamping force of workpiece, and workpiece is no longer clamped, and is avoided workpiece and is scrapped because excessively clamping
The phenomenon that, have the function that protect workpiece.User is when replacing workpiece, it is only necessary to close and be pushed away described in the solenoid valve and promotion
Workpiece is reapposed between the regular jaw module and the moving jaw module, repeats clamping by plate, this
The operation of sample can shorten the sliding distance of workpiece moving jaw module in clamping, shorten the clamping time, greatly carry
High clamping efficiency.
Description of the drawings
Fig. 1 is the left view of anti-deformation automatic protection air pressure bench vice of the present invention.
Fig. 2 is the vertical view of anti-deformation automatic protection air pressure bench vice of the present invention.
Vertical view when Fig. 3 is anti-deformation automatic protection air pressure bench vice clamping of the present invention.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples：
As shown in Figure 1, Figure 2, in Fig. 3 shown in embodiment, which is a kind of by air pressure
The variation of the automatic detection workpiece clamping force suffered when stepping up is adjusted, it is automatic to unclamp to protect when occurring excessively stepping up
Workpiece.In addition, shortening the clamping and correction duration of workpiece, the device of clamping efficiency is improved, it includes regular jaw module
1；1 bottom of regular jaw module is provided with rotary disk basement 10, and the regular jaw module 1 is internally provided with slide opening, the cunning
It is installed with nut in hole, lead screw 3 is equipped in the nut；The front of the regular jaw module 1 is provided with adjustable clamp
Mouth mold block 2, the moving jaw module 2 include 3 rocking bar of lead screw, and 3 rocking bar of the lead screw is assemblied in the end of the lead screw 3, institute
Moving jaw module 2 is stated to be sequentially connected by the lead screw 3 and the regular jaw module 1；1 face of regular jaw module
The side of the moving jaw module 2 is provided with sliding groove, and slidable fit has push plate 11 in the sliding groove, the push plate 11
It is provided with piezoelectric material on front end face, telescopic rod 12 is vertically and fixedly provided on the rear end face of the push plate 11；After the sliding groove
Be provided with telescopic hole on end face, the back-end sealing of the telescopic hole is equipped with solenoid valve 14, the solenoid valve 14 by conducting wire with
The piezoelectric material connection；The rear end of the telescopic rod 12 is provided with piston 13, and the piston 13 is slidedly assemblied in described flexible
In hole.
When in use, user is first by rotating the 3 rocking bar tune of lead screw for the anti-deformation automatic protection air pressure bench vice
The lead screw 3 is saved, the spacing between the regular jaw module 1 and the moving jaw module 2 is adjusted to suitable distance；
Then workpiece 4 is placed between the regular jaw module 1 and the moving jaw module 2, the reference plane of workpiece 4 is aligned
The push plate 11 is further continued for adjusting the lead screw 3 so that the moving jaw module 2 is to the side of the regular jaw module 1
Mobile, workpiece 4 is slowly clamped by the moving jaw module 2 and the push plate 11 at this time；When workpiece 4 is clamped to a certain degree
When, by the deboost of workpiece 4, which acts on the piezoelectric material in the push plate 11 for the push plate 11 so that the pressure
Electric material generates electric signal；When electric signal passes to the solenoid valve 14 by the conducting wire, the solenoid valve 14 is closed, and is made
It obtains and forms a closed space in the telescopic hole；And workpiece 4 can continue to push away to the application of the push plate 11 in clamping process
Power so that the telescopic rod 12 drives the piston 13 to the medial movement of the telescopic hole, the air pressure in the telescopic hole with
Increase；During being somebody's turn to do, the air pressure in the telescopic hole can slowly absorb the thrust that workpiece 4 is generated by clamping so that
4 uniform force of workpiece and slowly, avoid workpiece 4 because stress is excessive generates damage the phenomenon that.
When clamped workpiece 4 reaches best clamping force, the constant propulsion in the push plate 11；If user continues pair
Workpiece 4 clamps, and workpiece 4 can then occur bending and deformation because clamping force is excessive, and the rigidity of workpiece 4 also converts therewith, described at this time
Thrust in push plate 11 can also reduce, and the piezoelectric material in the push plate 11 generates electric signal again because dynamics changes；Telecommunications
Number acting on the solenoid valve 14 so that the solenoid valve 14 is opened, and the gas in the telescopic hole is released at this time, inside
Air pressure is balanced in ambient pressure, then the push plate 11 disappears for the clamping force of workpiece 4, and workpiece 4 is no longer clamped, and avoids work
The phenomenon that part 4 is scrapped because excessively clamping has the function that protect workpiece 4.User is when replacing workpiece 4, it is only necessary to close
The solenoid valve 14 simultaneously pushes the push plate 11, and workpiece 4 is reapposed over the regular jaw module 1 and the moving jaw
Between module 2, repeat clamping, such operation can shorten the moving jaw module 2 in clamping of workpiece 4
Sliding distance shortens the clamping time, greatly improves clamping efficiency.
As shown in Figure 2 and Figure 3, the telescopic rod 12, the piston 13 and the solenoid valve 14 are set as symmetrical two groups,
It is provided with manual switch on the solenoid valve 14.Absorb the clamping force suffered by workpiece 4 by symmetrical multiple positions, can when increase
The effect of the stress balance of strong workpiece 4, in addition the manual switch can greatly simplify the operation of repeated clamping.
As shown in Figure 2 and Figure 3, locating module is provided on the moving jaw, the locating module includes fixed plate and stretches
Contracting plate, the fixed plate inside edge on the same line, are provided with solid with 11 outer ledge of the push plate on the expansion plate
Determine block, spring is connected between the fixed block and the expansion plate.Pass through the fixed plate and the lateral folder of the expansion plate
Tightly, adaptive positioning can be carried out to workpiece 4, be convenient for subsequent clamp operation.
As shown in Figure 1, being provided with barometer in the telescopic hole, external pressure index is provided on the barometer
Table.User can carry out a degree of control by observing the barometrical index to the clamping force suffered by workpiece 4,
Avoid the operation of repeated clamping so that the clamping of workpiece 4 can settle at one go.
The foregoing is merely the preferred modes of the present invention, are not intended to limit the invention, all spirit and original in the present invention
Within then, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of anti-deformation automatic protection air pressure bench vice, it includes regular jaw module (1)；The regular jaw module (1)
Bottom is provided with rotary disk basement (10), and the regular jaw module (1) is internally provided with slide opening, spiral shell is installed in the slide opening
Mother is equipped with lead screw (3) in the nut；It is provided with moving jaw module (2), institute in front of the regular jaw module (1)
It includes lead screw (3) rocking bar to state moving jaw module (2), and lead screw (3) rocking bar is assemblied in the end of the lead screw (3), described
Moving jaw module (2) is sequentially connected by the lead screw (3) and the regular jaw module (1), it is characterised in that：It is described solid
The side for determining moving jaw module (2) described in jaw module (1) face is provided with sliding groove, there is slidable fit in the sliding groove
Push plate (11) is provided with piezoelectric material on the front end face of the push plate (11), is vertically fixed on the rear end face of the push plate (11)
There is telescopic rod (12)；Telescopic hole is provided on the rear end face of the sliding groove, the back-end sealing of the telescopic hole is equipped with electromagnetism
Valve (14), the solenoid valve (14) are connect by conducting wire with the piezoelectric material；The rear end of the telescopic rod (12) is provided with work
It fills in (13), the piston (13) is slidedly assemblied in the telescopic hole.
2. anti-deformation automatic protection air pressure bench vice according to claim 1, it is characterised in that：The telescopic rod (12),
The piston (13) and the solenoid valve (14) are set as symmetrical two groups, and manual switch is provided on the solenoid valve (14).
3. anti-deformation automatic protection air pressure bench vice according to claim 1, it is characterised in that：It is set on the moving jaw
It is equipped with locating module, the locating module includes fixed plate and expansion plate, the fixed plate inside edge and the push plate (11)
Outer ledge on the same line, is provided with fixed block, is connected between the fixed block and the expansion plate on the expansion plate
There is spring.
4. anti-deformation automatic protection air pressure bench vice according to claim 1, it is characterised in that：Setting in the telescopic hole
There is barometer, external pressure index table is provided on the barometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476644.6A CN108406630B (en) | 2018-05-18 | 2018-05-18 | Anti-deformation automatic protection air pressure bench vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476644.6A CN108406630B (en) | 2018-05-18 | 2018-05-18 | Anti-deformation automatic protection air pressure bench vice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108406630A true CN108406630A (en) | 2018-08-17 |
| CN108406630B CN108406630B (en) | 2020-10-30 |
Family
ID=63139897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810476644.6A Active CN108406630B (en) | 2018-05-18 | 2018-05-18 | Anti-deformation automatic protection air pressure bench vice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108406630B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396904A (en) * | 2018-10-20 | 2019-03-01 | 武汉雅虎光电设备有限公司 | A kind of Pneumatic flat tongs for miniature precision shaped piece |
| CN109877508A (en) * | 2019-03-08 | 2019-06-14 | 敏实汽车技术研发有限公司 | A kind of self-positioning relocation mechanism applied to the welding of aluminum cell box |
| CN111688076A (en) * | 2020-04-27 | 2020-09-22 | 海安迪斯凯瑞探测仪器有限公司 | Anti-deformation high-precision integrated automatic die assembly system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB230080A (en) * | 1924-03-01 | 1925-08-27 | Rudolf Joksch | Improvements in and connected with clamps, vices, and other gripping or holding devices |
| EP0115474A2 (en) * | 1983-02-01 | 1984-08-08 | Roger Gloor | Accessory device for machine vices |
| DE3627067A1 (en) * | 1986-08-09 | 1988-02-11 | Heringer & Schipper Gmbh | Compensating jaw for clamping devices |
| KR100648532B1 (en) * | 2006-08-18 | 2006-11-29 | (주) 대진유압기계 | Spring type automatic return oil pressure tool |
| CN201432430Y (en) * | 2009-04-09 | 2010-03-31 | 高尔荣 | Overload protection device for punch press |
| CN202240502U (en) * | 2011-09-08 | 2012-05-30 | 江阴市长龄机械制造有限公司 | Buffer for hydraulic clamp |
| CN104476426A (en) * | 2014-12-21 | 2015-04-01 | 庞勇 | Jaw vice with clamping force measuring device |
| CN105151323A (en) * | 2015-09-10 | 2015-12-16 | 兰州空间技术物理研究所 | Connecting device suitable for extra-cabin handle of spacecraft |
| CN106625306A (en) * | 2017-03-02 | 2017-05-10 | 瑞安市智造科技有限公司 | Bidirectional electromagnetic type bench vice |
| CN105729330B (en) * | 2016-04-19 | 2017-06-09 | 苏州宏奇锐自动化有限公司 | One kind is automatically positioned clamping bench vice |
-
2018
- 2018-05-18 CN CN201810476644.6A patent/CN108406630B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB230080A (en) * | 1924-03-01 | 1925-08-27 | Rudolf Joksch | Improvements in and connected with clamps, vices, and other gripping or holding devices |
| EP0115474A2 (en) * | 1983-02-01 | 1984-08-08 | Roger Gloor | Accessory device for machine vices |
| DE3627067A1 (en) * | 1986-08-09 | 1988-02-11 | Heringer & Schipper Gmbh | Compensating jaw for clamping devices |
| KR100648532B1 (en) * | 2006-08-18 | 2006-11-29 | (주) 대진유압기계 | Spring type automatic return oil pressure tool |
| CN201432430Y (en) * | 2009-04-09 | 2010-03-31 | 高尔荣 | Overload protection device for punch press |
| CN202240502U (en) * | 2011-09-08 | 2012-05-30 | 江阴市长龄机械制造有限公司 | Buffer for hydraulic clamp |
| CN104476426A (en) * | 2014-12-21 | 2015-04-01 | 庞勇 | Jaw vice with clamping force measuring device |
| CN105151323A (en) * | 2015-09-10 | 2015-12-16 | 兰州空间技术物理研究所 | Connecting device suitable for extra-cabin handle of spacecraft |
| CN105729330B (en) * | 2016-04-19 | 2017-06-09 | 苏州宏奇锐自动化有限公司 | One kind is automatically positioned clamping bench vice |
| CN106625306A (en) * | 2017-03-02 | 2017-05-10 | 瑞安市智造科技有限公司 | Bidirectional electromagnetic type bench vice |
Non-Patent Citations (1)
| Title |
|---|
| 范有发: "《冷冲压与塑料成型机械》", 30 June 2012, 机械工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396904A (en) * | 2018-10-20 | 2019-03-01 | 武汉雅虎光电设备有限公司 | A kind of Pneumatic flat tongs for miniature precision shaped piece |
| CN109877508A (en) * | 2019-03-08 | 2019-06-14 | 敏实汽车技术研发有限公司 | A kind of self-positioning relocation mechanism applied to the welding of aluminum cell box |
| CN111688076A (en) * | 2020-04-27 | 2020-09-22 | 海安迪斯凯瑞探测仪器有限公司 | Anti-deformation high-precision integrated automatic die assembly system |
| CN111688076B (en) * | 2020-04-27 | 2021-10-01 | 海安迪斯凯瑞探测仪器有限公司 | Anti-deformation high-precision integrated automatic die assembly system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108406630B (en) | 2020-10-30 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201012 Address after: 276800 Li Jia Hu Village, happy town, Arashiyama District, Rizhao City, Shandong Applicant after: SHANDONG HUAYUAN RIGGING Co.,Ltd. Address before: 528000 228, 1 floor of 1 harvest 1 Street, Chao'an Road, Chancheng District, Foshan, Guangdong Applicant before: FOSHAN BENDA PUFEI AUTOMATION Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti deformation automatic protection pneumatic Bench Vise Effective date of registration: 20211119 Granted publication date: 20201030 Pledgee: Lanshan Branch of Rizhao Bank Co.,Ltd. Pledgor: SHANDONG HUAYUAN RIGGING Co.,Ltd. Registration number: Y2021980012823 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |