CN107617904A - A kind of workpiece is synchronously fixed mechanism - Google Patents
A kind of workpiece is synchronously fixed mechanism Download PDFInfo
- Publication number
- CN107617904A CN107617904A CN201710770015.XA CN201710770015A CN107617904A CN 107617904 A CN107617904 A CN 107617904A CN 201710770015 A CN201710770015 A CN 201710770015A CN 107617904 A CN107617904 A CN 107617904A
- Authority
- CN
- China
- Prior art keywords
- gear
- rack
- cam
- workpiece
- motor
- 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.)
- Pending
Links
Landscapes
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of workpiece to be synchronously fixed mechanism, including motor assembly, worm-and-wheel gear and cam pressing mechanism, the worm-and-wheel gear includes rack, in the middle part of the rack and both ends are respectively and fixedly provided with gear, and the rack engages the described worm-and-wheel gear of composition with motor transmission shaft worm screw end by its middle part gear, the cam pressing mechanism includes cam mechanism, fixed support and compressor arm, cam tooth wheel shaft engages with rack end gear, described compressor arm one end is workpiece-contacting tip, the other end is cam contact end, and it is hinged in the middle part of compressor arm with fixed support, the compressor arm is provided with pressure sensor in workpiece-contacting tip, the pressure sensor connects A.C. contactor, and powered off by default triggering pressure value controlled motor.The present invention can be adjusted to thrust, while ensure that the synchronism in compaction process, reduced the stress centrality of workpiece, improved compression quality.
Description
Technical field
The present invention relates to industrial clamp art, more particularly to a kind of workpiece to be synchronously fixed mechanism.
Background technology
Part to be processed is fixed and then carried out again by executive item often when carrying out production and processing at present
Processing, this just need it is a kind of workpiece can be fixed and fixture that work in-process offsets it, many factories and workshop make now
It is still hand-driven fixture, this fixture one side labor intensive, another important aspect is exactly can not basis
The requirement of workpiece to be processed applies clamping force, than if any workpiece need to clamp a little but due to manually can not in fixture
The problems such as size of oneself applying power causes workpiece variation in process is accurately measured, so, one kind is designed without people
Work participates in, as long as workpiece is to station, just the automatic fixture for performing pinching action becomes extremely important, and full process automatization performs, and saves
Thing is laborsaving and reliability is high.
The content of the invention
It is an object of the invention to provide a kind of automatic impaction workpiece, while application pressure size can be adjusted as needed
Be fixed mechanism, the present invention is rotated forward by motor to be driven worm and gear combination cam mechanism to carry out transmission to make Work-sheet pressing,
Lasting compression is realized by the self-lock mechanism of worm and gear simultaneously, unlocks hold-down mechanism finally by the reversion of motor, so as to
Complete the production of compression process.
For achieving the above object, the present invention adopts the following technical scheme that：
The invention provides a kind of workpiece to be synchronously fixed mechanism, and by Work-sheet pressing and executive item is waited after being positioned for workpiece
It is processed, it includes motor assembly, worm-and-wheel gear and cam pressing mechanism, wherein, the motor assembly includes exchange
Contactor, motor and motor transmission shaft, the A.C. contactor controlled motor forward and backward and motor power on/off, the motor pass
End shaft is worm screw end, and the worm-and-wheel gear includes rack, and the rack middle part and both ends are respectively and fixedly provided with gear,
It is described convex and the rack engages the described worm-and-wheel gear of composition with motor transmission shaft worm screw end by its middle part gear
Wheel hold-down mechanism includes cam mechanism, fixed support and compressor arm, and the cam mechanism rotates including cam and driving cam
Gear shaft, the gear shaft engage with rack end gear, and described compressor arm one end is workpiece-contacting tip, and the other end is cam
Contact jaw, and be hinged in the middle part of compressor arm with fixed support, the compressor arm is provided with pressure sensor, the pressure in workpiece-contacting tip
Force snesor connects A.C. contactor, and is powered off by default triggering pressure value controlled motor.
Two are shared to the preferred of such scheme, the rack as the present invention, is divided into the worm screw of motor transmission shaft two
Both sides are held, the cam pressing mechanism shares four groups, is correspondingly arranged in respectively at two rack end gears.
Spin is provided with cam contact end to the preferred of such scheme, the compressor arm as the present invention, the spin is led to
Cross the cam contact end that rotating shaft is fixed on compressor arm.
As the present invention to the preferred of such scheme, institute's rack middle part gear and rack integrated molding, rack
Both ends gear is fixed with rack by key.
The beneficial effects of the present invention are：
（1）The present invention is simple in construction, can be by this by being adjusted to motor, worm-and-wheel gear and cam pressing mechanism
Invention is widely used in all types of industries production activity, has stronger promotional value.
（2）Compressor arm, can be according to workpiece in the pressure sensor of workpiece-contacting tip in cam hold-down mechanism of the present invention
The default triggering pressure value of required compression requirement condition, pressure sensor are that pressure signal can be converted into electric signal by one kind
Device, in compaction process when the pressure that pressure sensor receives reach triggering pressure value after can give A.C. contactor transmission letter
Number cause motor contacts of contactor disconnect motor stop motion, therefore, the present invention can be advantageously according to demand to thrust
It is adjusted, so as to avoid thrust is excessive from causing that workpiece is impaired or thrust is too small causes showing for workpiece variation in process
As.
（3）In the present invention using cam apply thrust, cam apply pressure during due to its variation characteristic it is similar
In stepless variable force, reliability of the workpiece in compaction process is ensure that, in addition, special using the self-locking of worm and gear in the present invention
Property, after motor power-off, it still is able to keep to continue compression, the time has been reserved in this reversion to motor in return stroke, avoids
The torsion that rotating is switched fast, while four groups of hold-down mechanisms are used in conjunction with a power source in the present invention, ensure that compression
During synchronism, reduce the stress centrality of workpiece, improve compression quality.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of workpiece of the present invention is synchronously fixed mechanism；
Wherein, 1-motor, 2-motor transmission shaft, 3-worm screw end, 4-rack, 5-middle part gear, 6-end gear,
7-fixed support, 8-compressor arm, 9-cam, 10-gear shaft, 11-pressure sensor, 12-spin.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
A kind of workpiece as shown in Figure 1 is synchronously fixed mechanism, holds Work-sheet pressing and wait after being positioned for workpiece
Row part is processed, and it includes motor assembly, worm-and-wheel gear and cam pressing mechanism, wherein, the motor assembly includes
A.C. contactor, motor 1 and motor transmission shaft 2, the forward and backward of A.C. contactor controlled motor 1 and the power on/off of motor 1, institute
It is worm screw end 3 to state the both ends of motor transmission shaft 2, and the worm-and-wheel gear includes rack 4, the middle part of rack 4 and both ends
Gear is respectively and fixedly provided with, and the rack 4 engages the described snail of composition with the worm screw end 3 of motor transmission shaft 2 by its middle part gear 5
Worm and gear mechanism, the cam pressing mechanism include cam mechanism, fixed support 7 and compressor arm 8, and the cam mechanism includes convex
The gear shaft 10 that wheel 9 and driving cam 9 rotate, the gear shaft 10 engage with the end gear 6 of rack 4, the compressor arm 8 one
It is cam contact end to hold as workpiece-contacting tip, the other end, and be hinged with fixed support 7 in the middle part of compressor arm 8, and the compressor arm 8 exists
Workpiece-contacting tip is provided with pressure sensor 11, and the pressure sensor 11 connects A.C. contactor, and passes through default triggering pressure
Value controlled motor 1 powers off.
In this example, the rack 4 shares two, is divided into 2 liang of worm screw ends 3 of motor transmission shaft both sides, described convex
Wheel hold-down mechanism shares four groups, is correspondingly arranged in respectively at the end gear 6 of two rack 4.
In this example, the compressor arm 8 is provided with spin 12 at cam contact end, and the spin 12 is fixed on by rotating shaft
The cam contact end of compressor arm 8.
In this example, the middle part gear 5 of institute's rack 4 and the integrated molding of rack 4, the both ends gear 6 of rack 4 with
Rack 4 is fixed by key.
Based on above-mentioned, the electrical equipment of setting element can jump the exchange for supplying electricity to motor 1 after the completion of detent mechanism in this example
Contactor, A.C. contactor, which gets an electric shock, to be closed, and the assembly of motor 1 starts to act, and motor transmission shaft 2 starts to rotate first, then in snail
Two racks 4 are driven under the transmission of worm and gear, rack 4 again and cam 9 the engagement of gear shaft 10 so that with 9 turns of moving cam
Dynamic, the executive item of hold-down mechanism is a cam mechanism, can be pressed against when cam 9 rotates compressor arm 8 around hinging fulcrum rotate from
And realize and compress, a pressure sensor 11 is also installed in the end of compressor arm 8, its pressure sensitive value can be according to the pressure of workpiece
It is critical to ask to adjust, it can be passed in compaction process after the pressure that pressure sensor 11 receives reaches setting value to A.C. contactor
The number of delivering letters causes the contacts of contactor of motor 1 to disconnect the stop motion of motor 1, the compressor arm for being due to the self-locking action of worm and gear
8 are always maintained at the state compresses always, after executive item completes work, reset switch can be installed in executive item, in executive item
Reset switch acts in return stroke, and the switch controlled motor 1 reversion A.C. contactor, after reversion contactor action, motor 1 is anti-
Turn hold-down mechanism unblock, treat that material fetching mechanism takes workpiece away, A.C. contactor is installed in material fetching mechanism and rotated forward with controlled motor 1
General supply, A.C. contactor and effect cut-out reversion power supply after workpiece is taken away completely, whole hold-down mechanism is out of service and protects
Current state is held, meanwhile, pacify attached A.C. contactor in detent mechanism and rotated forward for controlled motor 1, contactor touches after the completion of positioning
Point closure motor 1, which rotates forward to start to perform, compresses work.It is interlocked relationship to rotate forward A.C. contactor and reversion A.C. contactor, the meaning
As long as exactly rotate forward if invert it is just locked, equally, if reversion rotate forward it is just locked, by above contactor
Auxiliary contact are realized.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (4)
- By Work-sheet pressing and executive item is waited to be processed 1. a kind of workpiece is synchronously fixed mechanism, after being positioned for workpiece, Characterized in that, it includes motor assembly, worm-and-wheel gear and cam pressing mechanism, wherein, the motor assembly includes handing over Flow contactor, motor and motor transmission shaft, the A.C. contactor controlled motor forward and backward and motor power on/off, the motor Both ends of the drive shaft is worm screw end, and the worm-and-wheel gear includes rack, and the rack middle part and both ends are respectively and fixedly provided with tooth Wheel, and the rack engages the described worm-and-wheel gear of composition, institute with motor transmission shaft worm screw end by its middle part gear Stating cam pressing mechanism includes cam mechanism, fixed support and compressor arm, and the cam mechanism includes cam and driving cam turns Dynamic gear shaft, the gear shaft engage with rack end gear, and described compressor arm one end is workpiece-contacting tip, and the other end is Cam contact end, and be hinged in the middle part of compressor arm with fixed support, the compressor arm is provided with pressure sensor, institute in workpiece-contacting tip Pressure sensor connection A.C. contactor is stated, and is powered off by default triggering pressure value controlled motor.
- 2. a kind of workpiece according to claim 1 is synchronously fixed mechanism, it is characterised in that the rack shares two Branch, is divided into the worm screw end both sides of motor transmission shaft two, the cam pressing mechanism shares four groups, is correspondingly arranged in two gears respectively At boom end gear.
- 3. a kind of workpiece according to claim 1 is synchronously fixed mechanism, it is characterised in that the compressor arm is in cam Contact jaw is provided with spin, and the spin is fixed on the cam contact end of compressor arm by rotating shaft.
- 4. a kind of workpiece according to claim 1 is synchronously fixed mechanism, it is characterised in that gear in the middle part of institute's rack With rack integrated molding, rack both ends gear is fixed with rack by key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770015.XA CN107617904A (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece is synchronously fixed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770015.XA CN107617904A (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece is synchronously fixed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107617904A true CN107617904A (en) | 2018-01-23 |
Family
ID=61089266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710770015.XA Pending CN107617904A (en) | 2017-08-31 | 2017-08-31 | A kind of workpiece is synchronously fixed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107617904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984695A (en) * | 2023-09-26 | 2023-11-03 | 德州欧瑞电子通信设备制造有限公司 | Automatic brazing device for integrated circuit board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829568A (en) * | 1997-05-16 | 1998-11-03 | Pines Manufacturing | Safety clamp |
| CN2853296Y (en) * | 2005-12-08 | 2007-01-03 | 李定老 | Holding device |
| CN201070719Y (en) * | 2007-06-29 | 2008-06-11 | 齐齐哈尔轨道交通装备有限责任公司 | Clamping apparatus |
| CN203156611U (en) * | 2012-12-08 | 2013-08-28 | 重庆天之道科技发展有限公司 | Double pull structure combined clamp |
| CN105127794A (en) * | 2015-09-23 | 2015-12-09 | 上海应用技术学院 | Drill clamp universal for large high-speed printing roller |
| CN204924628U (en) * | 2015-07-13 | 2015-12-30 | 上海新孚美变速箱技术服务有限公司 | Automatic transmission valve body assembly test machine valve body quick clamping equipment |
-
2017
- 2017-08-31 CN CN201710770015.XA patent/CN107617904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5829568A (en) * | 1997-05-16 | 1998-11-03 | Pines Manufacturing | Safety clamp |
| CN2853296Y (en) * | 2005-12-08 | 2007-01-03 | 李定老 | Holding device |
| CN201070719Y (en) * | 2007-06-29 | 2008-06-11 | 齐齐哈尔轨道交通装备有限责任公司 | Clamping apparatus |
| CN203156611U (en) * | 2012-12-08 | 2013-08-28 | 重庆天之道科技发展有限公司 | Double pull structure combined clamp |
| CN204924628U (en) * | 2015-07-13 | 2015-12-30 | 上海新孚美变速箱技术服务有限公司 | Automatic transmission valve body assembly test machine valve body quick clamping equipment |
| CN105127794A (en) * | 2015-09-23 | 2015-12-09 | 上海应用技术学院 | Drill clamp universal for large high-speed printing roller |
Non-Patent Citations (1)
| Title |
|---|
| 倪敬: "《机电传动系统与控制》", 30 September 2015, 浙江大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116984695A (en) * | 2023-09-26 | 2023-11-03 | 德州欧瑞电子通信设备制造有限公司 | Automatic brazing device for integrated circuit board |
| CN116984695B (en) * | 2023-09-26 | 2023-12-12 | 德州欧瑞电子通信设备制造有限公司 | Automatic brazing device for integrated circuit board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203579464U (en) | Clamping jig | |
| KR101527289B1 (en) | Chucking device | |
| CN105058087A (en) | Dual-rocker-arm bolt clamping device | |
| CN207616171U (en) | A kind of adjustable work piece holder | |
| IE87116B1 (en) | Tool used for connecting busbars | |
| CN204053918U (en) | Electric bolt wrench | |
| CN107617904A (en) | A kind of workpiece is synchronously fixed mechanism | |
| CN105881063A (en) | Synchronous workpiece clamping mechanism | |
| CN208196388U (en) | A kind of cylinder inboard wall automatic polishing device | |
| IE87115B1 (en) | Tool used for connecting busbars | |
| CN204382120U (en) | A kind of hand-hydraulic bench vice | |
| CN203356489U (en) | Rotary wire-twisting device | |
| CN214722368U (en) | Anchor clamps for machining | |
| CN103753259A (en) | Self-locking cam clamping device | |
| CN203787740U (en) | Wire feeding and stripping device for cable | |
| CN104097103A (en) | Material feeding and discharging manipulator device | |
| CN107046215B (en) | Lever type terminal press-connection machine | |
| CN203798984U (en) | Rearview mirror switch durability tester | |
| CN209050014U (en) | A kind of elongated materials in the tube Zhong Suo mechanism | |
| CN214110431U (en) | Universal equipment manipulator | |
| CN104148568A (en) | Precise clamp transferring mechanism of multistation cold heading machine | |
| CN205111871U (en) | Numerical control machinery claw | |
| CN203900331U (en) | Doubling device | |
| CN209532844U (en) | One kind processing turnover device for precision parts | |
| CN108972341A (en) | Fixture is used in a kind of polishing of die casting blank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180123 |