CN108789252A - A kind of synchronous electric screw driver - Google Patents
A kind of synchronous electric screw driver Download PDFInfo
- Publication number
- CN108789252A CN108789252A CN201810701524.1A CN201810701524A CN108789252A CN 108789252 A CN108789252 A CN 108789252A CN 201810701524 A CN201810701524 A CN 201810701524A CN 108789252 A CN108789252 A CN 108789252A
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- Prior art keywords
- shaft
- gear
- bottle opener
- electric screw
- screw driver
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 28
- 239000003638 chemical reducing agent Substances 0.000 claims description 37
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of synchronous electric screw drivers, including rack, two servo motors and two bottle opener shafts；Wherein, two servo motors are mounted side by side in rack；The synchronization electric screw driver further includes two gear wheels and two pinion gears；Output shaft of described two gear wheels respectively with two servo motors is connected；Described two pinion gears are respectively provided at the inside between two gear wheels and are meshed respectively with corresponding gear wheel；Described two pinion gears are connected with two bottle opener shafts respectively, and the distance between two bottle opener shafts is made to be less than the distance between the output shaft of two servo motors；Fixing sleeve is additionally provided with for replacing the bottle opener of different dimensions in the front end of bottle opener shaft.With this structure, the screw of the outer diameter that can be smaller than electric screw driver itself to two is realized synchronous simultaneously tight, and reached two screws closes the consistency of tight torque, and then improves the reliability of technology of product.
Description
Technical field
The present invention relates to power tools technology fields, more particularly to a kind of synchronous electric screw driver.
Background technology
Electric screw driver is also electric screwdriver, electric screw driver (electric screwdriver), is for tightening and unscrewing spiral shell
The electric tool of silk nut.The electric tool is mainly used for assembly line equipped with the mechanism for adjusting and limiting torque.It is by electricity
Son, motor, mechanical three parts composition.Since its precision is high, efficiency is fast, has become the assembling indispensable work of industry
Tool.
In an assembling process, it for example relay or needs synchronous screw and tight occasion, needs to two or two or more
Screw is synchronized and is tightly operated.It is to be mounted side by side on two electric screw drivers in the prior art so that two screws are simultaneously tight as an example
Together, Fig. 1 is that schematic diagram is mounted side by side in two electric screw drivers of the prior art；When two electric screw drivers 100 are mounted side by side on one
After rising, minimum centers-distance between two electric screw drivers 100 from AA1 will necessarily be more than two electric screw drivers 100 radius it
With, that is, minimum centers-distance between two electric screw drivers can be more than the outer diameter BB1 of electric screw driver from AA1.When needs are tightened
Two screws spacing be more than electric screw driver minimum spacing AA1 when, side together is mounted side by side in two electric screw drivers
Case can be used for operating, still, existing as the outer diameter BB1 for being smaller than electric screw driver itself for two screws for needing to tighten
There is this device of technology that can not just use, at this time, it may be necessary to using manually-operated mode, one screw of a screw is simultaneously
Tightly, to which the tight torque that closes for causing two screws differs, the reliability of technology of product is not achieved.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, a kind of synchronous electric screw driver is provided, is improved by structure,
The screw of the outer diameter that electric screw driver itself can be smaller than to two is realized synchronous simultaneously tight, and reached two screws closes tight torsion
The consistency of square, and then improve the reliability of technology of product.
The technical solution adopted by the present invention to solve the technical problems is：A kind of synchronous electric screw driver, including rack, two
Servo motor and two bottle opener shafts；Wherein, two servo motors are mounted side by side in rack；The synchronization electric screw driver further includes
Two gear wheels and two pinion gears；Output shaft of described two gear wheels respectively with two servo motors is connected；Described two
A pinion gear is respectively provided at the inside between two gear wheels and is meshed respectively with corresponding gear wheel；Described two pinion gears
It is connected respectively with two bottle opener shafts, the distance between two bottle opener shafts is made to be less than between the output shaft of two servo motors
Distance；Fixing sleeve is additionally provided with for replacing the bottle opener of different dimensions in the front end of bottle opener shaft.
Further, further include gear-box, the gear-box is fixed in the rack, described two gear wheels and two
Pinion gear is mounted on by gear shaft in the gear-box respectively, and the gear shaft of described two gear wheels is watched with described two respectively
The output shaft for taking motor is connected；The gear shaft of described two pinion gears is connected with described two bottle opener shafts respectively；Two
Gear wheel is in be dislocatedly distributed on the axis direction of the output shaft of servo motor.
Further, further include two speed reducers, two speed reducers are mounted side by side in the rack；Described two servos
The output shaft of motor is connected by corresponding speed reducer with the gear shaft of corresponding gear wheel respectively.
The speed reducer is planetary reducer.
The speed reducer have power intake mouth and power output port, the power intake mouth of speed reducer with it is corresponding
The output shaft of servo motor is connected, and the power output port of speed reducer is output shaft, the output shaft of speed reducer with it is corresponding greatly
Also it is connected by shaft coupling between the gear shaft of gear.
The inside and outside flower of a pair of matched conjunction is additionally provided between described two bottle opener shafts and the gear shaft of corresponding pinion gear
Key；One of internal spline, external splines and the gear shaft of corresponding pinion gear are coaxially connected or are provided in corresponding small tooth
On the gear shaft of wheel, internal spline, external splines it is wherein another coaxially connected with corresponding bottle opener shaft.
The internal spline, the wherein another of external splines are connected between corresponding bottle opener shaft by universal joint.
It is also separately installed with a sliding block in described two bottle opener shafts, and making can between sliding block and corresponding bottle opener shaft
Along the axis synchronizing moving of bottle opener shaft；The sliding block is slidably mounted in rack, is also equipped between sliding block and holder
Bottle opener precompressed buffer spring.
Two guide rails are additionally provided in the rack, two guide rails are set along the axis direction with the output shaft of servo motor respectively
It sets, and is matched with corresponding sliding block.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the present invention is as a result of two gear wheels and two pinion gears；Described two gear wheels respectively with two servos
The output shaft of motor is connected；Described two pinion gears be respectively provided at the inside between two gear wheels and respectively with it is corresponding big
Gear is meshed；Described two pinion gears are connected with two bottle opener shafts respectively, keep the distance between two bottle opener shafts small
In the distance between the output shaft of two servo motors；This structure of the present invention, can be smaller than electric screw driver to two
The screw of the outer diameter of itself is realized synchronous simultaneously tight, and reached two screws closes the consistency of tight torque, and then improves product
Reliability of technology.
2, the present invention in bottle opener shaft as a result of being also equipped with a sliding block, and makes energy between sliding block and bottle opener shaft
Enough axis synchronizing movings along bottle opener shaft；The sliding block is slidably mounted in rack, is also filled between sliding block and holder
There is bottle opener precompressed buffer spring；This structure of the present invention, one when can ensure bottle opener to knife, and the length of screw differs；Two energy
It is enough to ensure synchronous and be tightened to position, it keeps preventing lifts when torque.
3, the present invention as a result of be additionally provided between bottle opener shaft and the gear shaft of pinion gear a pair of matched close in,
External splines, when inner spline housing, which is sleeved on, to move along a straight line on external splines, can transmit torsion to form a kind of linear motion system
Square can transmit the load and power of excess, and have a longer life expectancy in addition, spline pair has more compact structure.
4, the present invention is between the output shaft of speed reducer and the gear shaft of gear wheel as a result of being additionally provided with shaft coupling, with
And internal spline, external splines wherein another shaft with bottle opener between be additionally provided with universal joint, when coordinating with axis to play axis, keep away
The phenomenon that opening slight decentraction.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of of the present invention synchronizes electronic
Son is not limited to embodiment.
Description of the drawings
Fig. 1 is that schematic diagram is mounted side by side in two electric screw drivers of the prior art；
Fig. 2 is the D structure schematic diagram of the present invention；
Fig. 3 is the front view of the present invention；
Fig. 4 is the vertical view of the present invention；
Fig. 5 be the present invention bottle opener shaft, large and small gear shaft, servo motor output shaft between cooperation schematic diagram.
Specific implementation mode
Embodiment
Shown in Fig. 2 to Fig. 5, a kind of synchronous electric screw driver of the invention, including 1, two servo motor 21,22 of rack
With two bottle opener shafts 31,32；Wherein, two servo motors 21,22 are mounted side by side in rack 1；The synchronization electric screw driver is also
Including two gear wheels 411,421 and two pinion gears 412,422；Described two gear wheels are defeated with two servo motors respectively
Shaft is connected, that is, gear wheel 411 is connected with servo motor 21, and gear wheel 421 is connected with servo motor 22；Described two
A pinion gear 412,422 is respectively provided at the inside between two gear wheels 411,412 and is meshed respectively with corresponding gear wheel,
That is, pinion gear 412 is meshed with gear wheel 411, pinion gear 422 is meshed with gear wheel 421；Described two pinion gears respectively with
Two bottle opener shafts are connected, that is, pinion gear 412 is connected with bottle opener shaft 31, and pinion gear 422 is connected with bottle opener shaft 32
It is dynamic, so that two bottle opener shafts 31, the distance between 32 is less than the distance between the output shaft of two servo motors 21,22；It is rising
The front end of sub- shaft is additionally provided with fixing sleeve so that for replacing the bottle opener of different dimensions, the front end of bottle opener shaft 31, which is equipped with, to be fixed
The front end of set 311, bottle opener shaft 32 is equipped with fixing sleeve 321.
Further, further include gear-box 4, the gear-box 4 is fixed in the rack 1, described two gear wheels
411,421 and two pinion gears 412,422 respectively by gear shaft be mounted on the gear-box 4 in, described two gear wheels
411, output shaft of 421 gear shaft respectively with described two servo motors 21,22 is connected；Described two pinion gears 412,
422 gear shaft is connected with described two bottle opener shafts 31,32 respectively；Two gear wheels 411,421 are in the defeated of servo motor
It is in be dislocatedly distributed on the axis direction of shaft.
Further, further include two speed reducers 51,52, two speed reducers 51,52 are mounted side by side in the rack 1；
The output shaft of described two servo motors is connected by corresponding speed reducer with the gear shaft of corresponding gear wheel respectively, that is,
The output shaft of servo motor 21 is connected by speed reducer 51 and the gear shaft of gear wheel 411, and the output shaft for taking motor 22 passes through
Speed reducer 52 and the gear shaft of gear wheel 421 are connected.
The speed reducer 51,52 is planetary reducer.
The speed reducer 51,52 have power intake mouth and power output port, the power intake mouth of speed reducer with
The output shaft of corresponding servo motor is connected, that is, the power intake mouth of speed reducer 51 and the output shaft phase of servo motor 21
Connection, the power intake mouth and the output shaft of servo motor 22 of speed reducer 52 are connected, and the power output port of speed reducer is
Output shaft is also connected by shaft coupling between the output shaft of speed reducer and the gear shaft of corresponding gear wheel, that is, speed reducer 51
Output shaft and the gear shaft of gear wheel 411 between be also connected by shaft coupling 61, the output shaft and gear wheel of speed reducer 52
Also it is connected by shaft coupling 62 between 421 gear shaft.
The inside and outside flower of a pair of matched conjunction is additionally provided between described two bottle opener shafts and the gear shaft of corresponding pinion gear
Key, that is, internal spline 711, the external splines 712 of a pair of matched conjunction are additionally provided between bottle opener shaft 31 and the gear shaft of pinion gear 412；
Internal spline 721, the external splines 722 of a pair of matched conjunction are additionally provided between bottle opener shaft 32 and the gear shaft of pinion gear 422；This implementation
In example, the gear shaft of internal spline 711 and pinion gear 412 is coaxially connected or is provided on the gear shaft of pinion gear 412, external splines
712 is coaxially connected with bottle opener shaft 31, and the gear shaft of internal spline 721 and pinion gear 422 is coaxially connected or is provided in pinion gear
On 422 gear shaft, external splines 722 and bottle opener shaft 32 are coaxially connected.
It is connected by universal joint 81 between external splines 712 and bottle opener shaft 31, between external splines 722 and bottle opener shaft 32
It is connected by universal joint 82.
It is also separately installed with a sliding block 91,92 in described two bottle opener shafts 31,32, and sliding block is made to turn with corresponding bottle opener
It can be along the axis synchronizing moving of bottle opener shaft between axis, that is, sliding block 91 is installed, sliding block 91 turns with bottle opener in bottle opener shaft 31
Sliding block 92 can be installed on the axis synchronizing moving of bottle opener shaft, bottle opener shaft 32, sliding block 92 turns with bottle opener between axis 31
It can be slidably mounted in rack 1 along the axis synchronizing moving of bottle opener shaft, sliding block 91 between axis 32, in sliding block 91 and branch
Bottle opener precompressed buffer spring 911 is also equipped between frame 1, sliding block 92 is slidably mounted in rack 1, in sliding block 92 and holder 1
Between be also equipped with bottle opener precompressed buffer spring 921.
Two guide rails 11,12 are additionally provided in the rack 1, two guide rails 11,12 are respectively along the output shaft with servo motor
Axis direction setting, and matched with corresponding sliding block, sliding block 91 is slidably fitted on guide rail 11, and sliding block 92 is slidably fitted in
On guide rail 12.
The present invention is connect with planetary reducer using servo motor, drives gear-box, gear-box to go out by shaft coupling
Spline pair (internal spline) on power axis band, spline pair (external splines) drive bottle opener shaft, bottle opener shaft to consolidate by Hooks coupling universal coupling
It is fixed that bottle opener is driven to do positive and negative rotation campaign again.
Servo motor works in torque mode, and motor servo driver is connected with controller by communicating, controller control
Servo motor currently runs torque data to controller by the rotating speed and holding torque operation, servo motor real-time Transmission of setting.
Torque arithmetic：
The reduction ratio of the reduction ratio * gear-boxes of servo motor nominal torque * planetary reducers, example：
The nominal torque of servo motor is 1.27Nm,
Planetary reducer is 9:1 (inputting shaft turns 9 circles, and force-output shaft 1 encloses)
Gear-box is：1：3 (inputting shaft turns 1 circle, and output shaft rotation 3 is enclosed)
Bottle opener nominal torque neglects efficiency of transmission, about：1.27* (9/1) * (1/3)=3.81Nm；
Bottle opener distance computation：
Using double reduction ratio, the first order is for increasing torque, and the second pole (gear-box) is for adjusting bottle opener spacing and watching
Take motor spacing.
Therefore, for the screw of different spacing, as long as adjustment A1 (screw spacing), B1 (servo side by side minimum spacing) ruler
It is very little, C1 sizes (centre-to-centre spacing of gear wheel and pinion gear) are obtained by A1, B1, calculate gear wheel and the modulus and tooth of pinion gear
Number, while second level reduction ratio is obtained, further according to the peak torque of screw locking, the nominal torque of servo motor is being multiplied by 1.
Several coefficients (efficiency of transmission), the reduction ratio of the 1st grade of planetary reducer is calculated by formula.
A kind of synchronous electric screw driver of the present invention, uses two gear wheels 411,421 and two pinion gears 412,422；
Output shaft of the described two gear wheels 411,412 respectively with two servo motors 21,22 is connected；Described two pinion gears 412,
422 are respectively provided at the inside between two gear wheels 411,421 and are meshed respectively with corresponding gear wheel 411,421；It is described
Two pinion gears 412,422 are connected with two bottle opener shafts 31,32 respectively, make two bottle opener shafts 31, the distance between 32
The distance between the output shaft of less than two servo motors 21,22；This structure of the present invention, can be smaller than electricity to two
The screw of the outer diameter of dynamic bottle opener itself, which is realized, to be synchronized and tightly, has reached the consistency for closing tight torque of two screws, and then improve
The reliability of technology of product.
A kind of synchronous electric screw driver of the present invention, uses and is also equipped with a sliding block 91,92 in bottle opener shaft 31,32,
And make can be along the axis synchronizing moving of bottle opener shaft between sliding block and bottle opener shaft；The sliding block 91,92 can slidably be installed
In rack 1, bottle opener precompressed buffer spring 911,912 is also equipped between sliding block 91,92 and holder 1；This knot of the present invention
Structure, when can ensure bottle opener to knife using bottle opener precompressed buffer spring 911,912, one, the length of screw differs；Two can ensure
Position is synchronized and be tightened to, keeps preventing lifts when torque.
A kind of synchronous electric screw driver of the present invention, uses the gear shaft in bottle opener shaft 31,32 and pinion gear 412,422
Between be additionally provided with a pair of matched conjunction inside and outside spline, to form a kind of linear motion system, when inner spline housing is sleeved on external splines
When upper linear motion, torque can be transmitted, in addition, spline pair has more compact structure, the load of excess can be transmitted and moved
Power, and have a longer life expectancy.
A kind of synchronous electric screw driver of the present invention uses between the output shaft of speed reducer and the gear shaft of gear wheel also
Equipped with shaft coupling, and internal spline, external splines wherein another shaft with bottle opener between be additionally provided with universal joint, to play axis
When coordinating with axis, the phenomenon that avoiding slight decentraction.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
Disclosed above with preferred embodiment, however, it is not intended to limit the invention.Any technical person familiar with the field is not taking off
In the case of from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, every without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (9)
1. a kind of synchronous electric screw driver, including rack, two servo motors and two bottle opener shafts；Wherein, two servo motors
It is mounted side by side in rack；It is characterized in that：The synchronization electric screw driver further includes two gear wheels and two pinion gears；Described two
Output shaft of a gear wheel respectively with two servo motors is connected；Described two pinion gears are respectively provided between two gear wheels
Inside and be meshed respectively with corresponding gear wheel；Described two pinion gears are connected with two bottle opener shafts respectively, make two
The distance between a bottle opener shaft is less than the distance between the output shaft of two servo motors；It is additionally provided in the front end of bottle opener shaft
Fixing sleeve is with for replacing the bottle opener of different dimensions.
2. synchronous electric screw driver according to claim 1, it is characterised in that：Further, further include gear-box, the tooth
Roller box is fixed in the rack, and described two gear wheels and two pinion gears are mounted on the gear-box by gear shaft respectively
In, the output shaft of the gear shafts of described two gear wheels respectively with described two servo motors is connected；Described two pinion gears
Gear shaft be connected respectively with described two bottle opener shafts；Two gear wheels are on the axis direction of the output shaft of servo motor
In being dislocatedly distributed.
3. synchronous electric screw driver according to claim 1 or 2, it is characterised in that：Further, further include two decelerations
Machine, two speed reducers are mounted side by side in the rack；The output shaft of described two servo motors passes through corresponding deceleration respectively
Machine is connected with the gear shaft of corresponding gear wheel.
4. synchronous electric screw driver according to claim 3, it is characterised in that：The speed reducer is planetary reducer.
5. synchronous electric screw driver according to claim 3, it is characterised in that：The speed reducer have power intake mouth and
The power intake mouth of power output port, speed reducer is connected with the output shaft of corresponding servo motor, the power of speed reducer
Output port is output shaft, is also connected by shaft coupling between the output shaft of speed reducer and the gear shaft of corresponding gear wheel.
6. synchronous electric screw driver according to claim 2, it is characterised in that：Described two bottle opener shafts and corresponding small tooth
The inside and outside spline of a pair of matched conjunction is additionally provided between the gear shaft of wheel；One of internal spline, external splines and corresponding small tooth
The gear shaft of wheel is coaxially connected or is provided on the gear shaft of corresponding pinion gear, internal spline, external splines it is wherein another with
Corresponding bottle opener shaft is coaxially connected.
7. synchronous electric screw driver according to claim 6, it is characterised in that：The internal spline, external splines it is wherein another
It is connected by universal joint between corresponding bottle opener shaft.
8. synchronous electric screw driver according to claim 1, it is characterised in that：It is also installed respectively in described two bottle opener shafts
There is a sliding block, and making can be along the axis synchronizing moving of bottle opener shaft between sliding block and corresponding bottle opener shaft；The sliding block can
It is slidably mounted in rack, bottle opener precompressed buffer spring is also equipped between sliding block and holder.
9. synchronous electric screw driver according to claim 8, it is characterised in that：It is additionally provided with two guide rails in the rack, two
A guide rail is arranged along with the axis direction of the output shaft of servo motor respectively, and is matched with corresponding sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701524.1A CN108789252A (en) | 2018-06-29 | 2018-06-29 | A kind of synchronous electric screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701524.1A CN108789252A (en) | 2018-06-29 | 2018-06-29 | A kind of synchronous electric screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108789252A true CN108789252A (en) | 2018-11-13 |
Family
ID=64072815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810701524.1A Pending CN108789252A (en) | 2018-06-29 | 2018-06-29 | A kind of synchronous electric screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789252A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1901436A (en) * | 1928-03-23 | 1933-03-14 | Chicago Pneumatic Tool Co | Duplex equalizing apparatus |
| KR20070047875A (en) * | 2005-11-03 | 2007-05-08 | (주)명신정류자 | Dual impact electromotion wrench |
| CN202357086U (en) * | 2011-07-21 | 2012-08-01 | 上海汇众汽车制造有限公司 | Multi-head motor-driven tightening device |
| CN203557322U (en) * | 2013-12-02 | 2014-04-23 | 宁波中旺工具有限公司 | Multi-spindle electric screwdriver |
| CN104647262A (en) * | 2013-11-19 | 2015-05-27 | 国网山东齐河县供电公司 | Multi-head electric screwdriver |
| CN207432085U (en) * | 2017-11-28 | 2018-06-01 | 苏州朗斯德工业自动化有限公司 | A kind of screw disassembly mechanism |
| CN207522474U (en) * | 2017-12-08 | 2018-06-22 | 快克智能装备股份有限公司 | For locking the locking machine structure for paying screw |
| CN208391915U (en) * | 2018-06-29 | 2019-01-18 | 厦门顶科电子有限公司 | Synchronous electric screw driver |
-
2018
- 2018-06-29 CN CN201810701524.1A patent/CN108789252A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1901436A (en) * | 1928-03-23 | 1933-03-14 | Chicago Pneumatic Tool Co | Duplex equalizing apparatus |
| KR20070047875A (en) * | 2005-11-03 | 2007-05-08 | (주)명신정류자 | Dual impact electromotion wrench |
| CN202357086U (en) * | 2011-07-21 | 2012-08-01 | 上海汇众汽车制造有限公司 | Multi-head motor-driven tightening device |
| CN104647262A (en) * | 2013-11-19 | 2015-05-27 | 国网山东齐河县供电公司 | Multi-head electric screwdriver |
| CN203557322U (en) * | 2013-12-02 | 2014-04-23 | 宁波中旺工具有限公司 | Multi-spindle electric screwdriver |
| CN207432085U (en) * | 2017-11-28 | 2018-06-01 | 苏州朗斯德工业自动化有限公司 | A kind of screw disassembly mechanism |
| CN207522474U (en) * | 2017-12-08 | 2018-06-22 | 快克智能装备股份有限公司 | For locking the locking machine structure for paying screw |
| CN208391915U (en) * | 2018-06-29 | 2019-01-18 | 厦门顶科电子有限公司 | Synchronous electric screw driver |
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