CN109262246A - One based on face gear transmission drags N circumferentially Micro screw feeder and feeding method - Google Patents
One based on face gear transmission drags N circumferentially Micro screw feeder and feeding method Download PDFInfo
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- CN109262246A CN109262246A CN201811098026.9A CN201811098026A CN109262246A CN 109262246 A CN109262246 A CN 109262246A CN 201811098026 A CN201811098026 A CN 201811098026A CN 109262246 A CN109262246 A CN 109262246A
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- type sub
- vacuum adsorption
- adsorption type
- material module
- circumferentially
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/007—Picking-up and placing mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of one based on face gear transmission to drag N circumferentially Micro screw feeder and feeding method.The feeder includes: outer cover；Vacuum adsorption type sub-material module, several vacuum adsorption type sub-material modules are set in the circumferentially space structure along the circumferencial direction of outer cover；Power is distributed to each vacuum adsorption type sub-material module by servo motor-face gear-spur gear wheel by servo motor output power by motor gear transmission mechanism, including servo motor, face gear and spur gear wheel, the circumferentially Micro screw feeder.The present invention realizes multiple power transmissions for inhaling nail system by a servo motor, to reduce the quantity of the transmission logarithm and motor of gear；Realize that the one-stop Micro screw of multistation send nail；Each discharge port can realize data exchange with/without the information or data of screw with work station or assembly wire body, can reduce the time for waiting screw to greatest extent；Significantly reduce bulk demand.
Description
Technical field
The present invention relates to a kind of Micro screw feeder, in particular to a kind of circumferentially Micro screw feeder and feeding side
Method.
Background technique
Micro screw feed system is common in manual/autoization Product Assembly work station or assembly line, and major function is
By the small part being packed together according to certain rule ordered arrangement, and part is delivered to designated position one by one, then
Micro screw is delivered to by suction nail system and wants nail system.There is relative maturity for M1.2 primary screw below at present
Vacuum adsorption type Micro screw send nail system, basic principle are as follows: the screw in feed bin is stirred by turntable, in addition disk peripheral
On with vacuum adsorption force and with the matched hole of screw size, by screw adsorb and be located in hole, then pass through rotation
It walks around disk, screw is rotated to designated position, is equipped with vacuum degree measurement sensor in specific bit, when reaching certain vacuum values,
Illustrate that there are screws in designated position, does not such as reach certain vacuum value, illustrate there is no screw in designated position.The type it is true
The attached type screw conveying nail system that declines of suction, which exists, send the disadvantages of efficiency is unstable, adjusting is complicated, at high cost.
Face gear is a kind of new gear invented in recent years, is mainly characterized by directly engaging biography with spur gear wheel
It is dynamic, and the transmission shaft of face gear and spur gear wheel angle in 90 °, this drive mechanism especially suitable for need large transmission ratio,
The limited occasion of multiaxis dynamic branch and space.
Summary of the invention
The purpose of the invention is to: (1) in the case where guaranteeing feed system volume minimization, realize that multistation is one-stop
Micro screw send nail；(2) it improves and send nail stability；(3) system cost is reduced.
To solve the above-mentioned problems, the invention adopts the following technical scheme:
The present invention, which provides, a kind of one drags N circumferentially Micro screw feeder, including vacuum suction based on face gear transmission
Formula sub-material module, the vacuum adsorption type sub-material module include power input shaft and discharge port, and the circumferentially Micro screw is sent
Material machine includes:
Outer cover, including mounting seat, outer framework and cover board, three encloses jointly is set as a circumferentially space structure, the lid
Plate is placed on the feed bin of vacuum adsorption type sub-material module, and the opening for screw output is provided on the cover board；
Vacuum adsorption type sub-material module, several vacuum adsorption type sub-material modules are set to described along the circumferencial direction of outer cover
Circumferentially in space structure, the setting corresponding with the opening on cover board of the discharge port of the vacuum adsorption type sub-material module is described
Vacuum adsorption type sub-material module is fixed in mounting seat；
Motor gear transmission mechanism, including servo motor, face gear and spur gear wheel, the servo motor fixed setting
In mounting seat between vacuum adsorption type sub-material module, the face gear is fixed on the output shaft of servo motor, described
Spur gear wheel is connected with the power input shaft of vacuum adsorption type sub-material module, on the gear teeth and face gear of the spur gear wheel
Tooth engagement；
The circumferentially Micro screw feeder passes through servo motor-face gear-cylinder by servo motor output power
Power is distributed to each vacuum adsorption type sub-material module by spur gear.
Further, the quantity of the vacuum adsorption type sub-material module is 6,6 spur gear wheels and face gear group
At the gear train assembly being circumferentially distributed.
Further, each vacuum adsorption type sub-material module has independent control device, is separately mounted to respective
On control panel.
Further, the vacuum adsorption type sub-material module includes feed bin, internal rotating mechanism, automatically controlled universal clutch
Device, transmission shaft, vacuum generator, controller, B/P EGR Back Pressure Transducer EGR, the vacuum adsorption type sub-material module have power input shaft,
One end of the power input shaft is connected with automatically controlled universal clutch one end, and the other end is connected with transmission shaft, the transmission shaft
The other end is connected with spur gear wheel, and the vacuum generator, controller, B/P EGR Back Pressure Transducer EGR are mounted in sub-material module, control
Panel is for providing power connection needed for inside, outbound data exchange and running LED.
Further, the automatically controlled universal clutch can be driven along different angle and can be realized that it is dynamic in a manner of automatically controlled
The on-off of power transmission.
Further, the transmission shaft is mounted in the support being made of bearing and the support of bearing.
Further, the vacuum adsorption type sub-material module is fixed in mounting seat by support base.
The present invention also provides the feeding method that a kind of one based on face gear transmission drags N circumferentially Micro screw feeder,
Include:
Start servo motor, drive surface gear drives spur gear wheel rotation, to drive vacuum adsorption type sub-material module
It starts to work, when having detected that screw is in place in the i-th road vacuum adsorption type sub-material module, No. i-th controller receives signal,
Two paths of signals is issued, first via signal issues automatically controlled universal clutch, controls it and cuts off power, so that the i-th road vacuum adsorption type
Transmission system is stopped rotating in sub-material module, and second road signal issues work station/assembly line General controller, notifies its i-th road point
It is ready to expect that the material in module is ready for, in feeding state；
After the item to get material in the i-th road vacuum adsorption type sub-material module is removed, after controller receives signal, hair
The number of delivering letters notifies it to start to engage power, starts to rotate, carry out next step feeding action to internal automatically controlled universal clutch；
When multichannel sub-material module needs feeding part, according to part Queue sequence feeding to be taken.
Beneficial effects of the present invention are as follows:
(1) due to being utilized based on motor-spur gear wheel-face gear power transmission solution, so that system dynamic can
To realize multiple power transmissions for inhaling nail system by a servo motor with deceleration, to reduce the transmission pair of gear
Several and motor quantity, to significantly reduce the cost of system；
(2) it realizes that the one-stop Micro screw of multistation send nail system, can be simultaneously multiple work stations or annular assembly
Line provides Micro screw；
(3) circumferentially one N formula is dragged to send nail due to realizing, so that each discharge port can be with with/without the information or data of screw
Work station or assembly wire body realize data exchange, can reduce the time for waiting screw to greatest extent, send the steady of nail to realize
Qualitative and high efficiency；
(4) multiple spur gear wheels are driven due to using face gear, space needed for significantly reducing gear drive with
And the bulk demand on automatic production line.
Detailed description of the invention
Fig. 1 is that the present invention is based on the outside drawings that the one of face gear driving drags N circumferentially Micro screw feeder；
Fig. 2 is that the present invention is based on the internal structure charts that the one of face gear driving drags N circumferentially Micro screw feeder；
Fig. 3 is that the present invention is based on the top views (no outer cover) that the one of face gear driving drags N Micro screw feeder；
Fig. 4 is the schematic enlarged-scale view of part A in Fig. 3；
Fig. 5 is internal structure exploded view of the invention；
Fig. 6 is the structural exploded view of single vacuum absorption type sub-material module.
In figure: 101, outer cover；102, mounting seat；2, vacuum adsorption type sub-material module；201, control panel；202, it discharges
Mouthful；203, cover board；204, automatically controlled universal clutch；205, transmission shaft；206, bearing；207, the support of bearing；208, vacuum occurs
Device；209, controller；210, screw is installed；211, hexagonal copper post；212, B/P EGR Back Pressure Transducer EGR；213, side plate；214, screw；215,
Feed bin；216, power input shaft；3, motor gear transmission mechanism；301, servo motor；302, face gear；303, cylindrical straight gear
Wheel.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1-2 be the present invention is based on the structural schematic diagram that face gear is driven one drags N circumferentially Micro screw feeder,
Middle Fig. 1 is outside drawing, wherein illustrate by taking six mutually indepedent vacuum adsorption type sub-material modules 2 of shared power source again as an example,
This six vacuum adsorption type sub-material modules 2 share unified outer cover 101, mounting seat 102 and power source.But it is each individually true
Empty absorption type sub-material module has independent control device, is separately mounted on respective control panel 201.Fig. 2 is the present invention
The internal structure chart of feeder, by six vacuum adsorption type sub-material module compositions circumferentially tripper.Fig. 3 is feeder of the present invention
Inside overall structure top view, Fig. 4 be Fig. 3 in part A (i.e. discharge port 202) schematic enlarged-scale view, as seen from the figure,
Power source is located at the middle position of whole system, is distributed to power by intermediate motor-face gear-spur gear wheel each
Sub-component module.
Fig. 5 is the present invention is based on the structural exploded view that face gear is driven one drags N circumferentially Micro screw feeder, this send
Material machine includes that vacuum adsorption type sub-material module 2, mounting seat 102, face gear 302, servo motor 301, cover board 203 and cylinder are straight
Gear 303 forms.Wherein, the basic principle of vacuum adsorption type sub-material module 2 has been widely used for Micro screw suction nail equipment,
It is mounted in mounting seat 102, and spur gear wheel 303 is mounted on its input shaft, and is fixed on input by marking closely screw
On axis.Face gear 302 is mounted on the output shaft of servo motor 301, is equally fixed on axis by marking closely screw, and six herein
Spur gear wheel 303 and face gear 302 form the gear train assembly being circumferentially distributed.In addition, servo motor 301 passes through screw
It is mounted in mounting seat 102.
Fig. 6 is the structural exploded view of single vacuum absorption type sub-material module, and vacuum adsorption type sub-material module 2 is by feed bin 215
It is formed with internal rotating mechanism, there is a power input shaft 216, as shown in Figure 6.Power input shaft 216 with it is automatically controlled universal
204 one end of clutch is installed together, and other end links together with transmission shaft 205, and automatically controlled universal clutch 204 has herein
There is different angle to be driven and can realize the on-off of its power transmission in a manner of automatically controlled.Transmission shaft 205 is mounted on by 206 He of bearing
In the support that the support of bearing 207 forms.The other end of transmission shaft 205 is installed with spur gear wheel 303, the spur gear wheel
303, which form one group with face gear 302, engages pair, for transmitting the power from servo motor 301.Support base 203 is used to support
Vacuum adsorption type sub-material module 2, vacuum needed for vacuum generator 208 is used to generate vacuum adsorption type sub-material module 2.Controller
209 are mounted in vacuum adsorption type sub-material module 2 by installation screw 210 and hexagonal copper post 211, are used to according to external signal control
Make the on-off and the output of relevant signal of automatically controlled universal clutch 204.B/P EGR Back Pressure Transducer EGR 212 is also mounted at vacuum adsorption type point
Expect in module 2, for detecting the internal negative pressure value of vacuum adsorption type sub-material module 2, to output signal to controller 209.Control
Panel 201 (it is installed on side plate 213) processed is mounted on vacuum adsorption type sub-material module 2 and support base 203 by screw 214
On, main function includes: power connection needed for providing inside, outbound data exchange and running LED.
Circumferentially Micro screw feed system workflow based on face gear transmission is as follows:
(1) starting motor starts to rotate, driving face gear rotation, so that vacuum adsorption type sub-material module be driven to start work
Make, when having detected that screw is in place in the i-th tunnel sub-material module, No. i-th controller receives signal, two paths of signals is provided, the
Signal issues automatically controlled Hooks coupling universal coupling all the way, controls it and cuts off power, so that transmission system stops rotation in the i-th tunnel sub-material module
Turn.Second road signal issues work station/assembly line General controller, and it is ready to notify that the material in its i-th tunnel sub-material module is ready for,
In to feeding state；
(2) after the item to get material in the i-th tunnel sub-material module is removed, after controller receives signal, signal is sent
To internal automatically controlled Hooks coupling universal coupling, notifies it to start to engage power, start to rotate, carry out next step feeding action；
(3) when multichannel sub-material module needs feeding part, start part queuing routine to be taken automatically, so that system is pressed
According to sequentially carrying out feeding, it is ensured that system is not at mix.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. one based on face gear transmission drags N circumferentially Micro screw feeder, including vacuum adsorption type sub-material module, described true
Empty absorption type sub-material module includes power input shaft and discharge port, which is characterized in that the circumferentially Micro screw feeder packet
It includes:
Outer cover, including mounting seat, outer framework and cover board, three encloses jointly is set as a circumferentially space structure, the cover plate lid
In on the feed bin of vacuum adsorption type sub-material module, be provided on the cover board for screw output opening；
Vacuum adsorption type sub-material module, several vacuum adsorption type sub-material modules are set to the circumference along the circumferencial direction of outer cover
In formula space structure, the setting corresponding with the opening on cover board of the discharge port of the vacuum adsorption type sub-material module, the vacuum
Absorption type sub-material module is fixed in mounting seat；
Motor gear transmission mechanism, including servo motor, face gear and spur gear wheel, the servo motor are fixedly installed on very
In mounting seat between empty absorption type sub-material module, the face gear is fixed on the output shaft of servo motor, the cylinder
Spur gear is connected with the power input shaft of vacuum adsorption type sub-material module, the tooth on the gear teeth and face gear of the spur gear wheel
Engagement；
The circumferentially Micro screw feeder passes through servo motor-face gear-cylindrical straight gear by servo motor output power
Power is distributed to each vacuum adsorption type sub-material module by wheel.
2. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In the quantity of the vacuum adsorption type sub-material module is 6, and 6 spur gear wheels and face gear form the tooth being circumferentially distributed
Take turns transmission system.
3. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In each vacuum adsorption type sub-material module has independent control device, is separately mounted on respective control panel.
4. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In the vacuum adsorption type sub-material module includes feed bin, internal rotating mechanism, automatically controlled universal clutch, transmission shaft, vacuum generation
Device, controller, B/P EGR Back Pressure Transducer EGR, the vacuum adsorption type sub-material module have power input shaft, the one of the power input shaft
End is connected with automatically controlled universal clutch one end, and the other end is connected with transmission shaft, the other end and spur gear wheel of the transmission shaft
It is connected, the vacuum generator, controller, B/P EGR Back Pressure Transducer EGR are mounted in sub-material module, and control panel is for providing internal institute
Need power connection, outbound data exchange and running LED.
5. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In the automatically controlled universal clutch can be driven along different angle and can realize in a manner of automatically controlled the on-off of its power transmission.
6. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In the transmission shaft is mounted in the support being made of bearing and the support of bearing.
7. one based on face gear transmission according to claim 1 drags N circumferentially Micro screw feeder, feature exists
In the vacuum adsorption type sub-material module is fixed in mounting seat by support base.
8. one based on face gear transmission drags the feeding method of N circumferentially Micro screw feeder characterized by comprising
Start servo motor, drive surface gear drives spur gear wheel rotation, so that vacuum adsorption type sub-material module be driven to start
Work, when having detected that screw is in place in the i-th road vacuum adsorption type sub-material module, No. i-th controller receives signal, issues
Two paths of signals, first via signal issue automatically controlled universal clutch, control it and cut off power, so that the i-th road vacuum adsorption type sub-material
Transmission system is stopped rotating in module, and second road signal issues work station/assembly line General controller, notifies its i-th tunnel sub-material mould
Material in block be ready for it is ready, in feeding state；
After the item to get material in the i-th road vacuum adsorption type sub-material module is removed, after controller receives signal, letter is sent
Number to internal automatically controlled universal clutch, notifies it to start to engage power, start to rotate, carry out next step feeding action；
When multichannel sub-material module needs feeding part, according to part Queue sequence feeding to be taken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811098026.9A CN109262246B (en) | 2018-09-20 | 2018-09-20 | one-driving-N circumferential type micro screw feeder based on face gear transmission and feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811098026.9A CN109262246B (en) | 2018-09-20 | 2018-09-20 | one-driving-N circumferential type micro screw feeder based on face gear transmission and feeding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109262246A true CN109262246A (en) | 2019-01-25 |
| CN109262246B CN109262246B (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811098026.9A Active CN109262246B (en) | 2018-09-20 | 2018-09-20 | one-driving-N circumferential type micro screw feeder based on face gear transmission and feeding method |
Country Status (1)
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| CN (1) | CN109262246B (en) |
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| GB841093A (en) * | 1957-07-04 | 1960-07-13 | Pfaff Ag G M | Improvements in or relating to orientating devices for the button feeding mechanisms of button sewers |
| CN203593410U (en) * | 2013-11-14 | 2014-05-14 | 深圳市思榕科技有限公司 | Screw feeder |
| CN104493472A (en) * | 2014-12-17 | 2015-04-08 | 东莞市精心自动化设备科技有限公司 | Screw distributor |
| CN104500654A (en) * | 2014-11-26 | 2015-04-08 | 燕山大学 | Deceleration and speed change integrated face gear pair and processing method thereof |
| CN104564833A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | Guide vane component, centrifugal compressor and air conditioner |
| CN204615565U (en) * | 2015-03-14 | 2015-09-02 | 石泰山 | A kind of New type water pump motor drives assembly |
| CN205097109U (en) * | 2015-11-09 | 2016-03-23 | 无锡丹尼克尔自动化科技有限公司 | Vacuum carousel declines type screw and arranges material machine and inhale nailing machine and construct |
| CN205802401U (en) * | 2016-05-28 | 2016-12-14 | 苏州龙雨电子设备有限公司 | Rotating disk screw pay-off |
| CN206084306U (en) * | 2016-10-14 | 2017-04-12 | 苏州杰锐思自动化设备有限公司 | Two real empty tray formula feeders |
| CN106743544A (en) * | 2016-12-02 | 2017-05-31 | 芜湖市元山机械制造有限公司 | A kind of electric motor car suspended rack assembly machines feed mechanism |
| KR101776668B1 (en) * | 2016-03-16 | 2017-09-13 | 주식회사 씨케이엘 | Apparatus for laminating at least two products |
| CN107322256A (en) * | 2017-07-17 | 2017-11-07 | 常州工学院 | It is a kind of to drag N trippers based on cylinder is promoted one |
| CN207087309U (en) * | 2017-08-18 | 2018-03-13 | 上海克来机电自动化工程股份有限公司 | One kind concentrates feeding system |
| CN108098287A (en) * | 2017-12-14 | 2018-06-01 | 常州工学院 | One based on electrical machine belt pulley transmission drags more trippers |
| CN108341261A (en) * | 2018-02-02 | 2018-07-31 | 嘉兴和新精冲科技有限公司 | Tooth machining unit automatic charging device |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB841093A (en) * | 1957-07-04 | 1960-07-13 | Pfaff Ag G M | Improvements in or relating to orientating devices for the button feeding mechanisms of button sewers |
| CN203593410U (en) * | 2013-11-14 | 2014-05-14 | 深圳市思榕科技有限公司 | Screw feeder |
| CN104500654A (en) * | 2014-11-26 | 2015-04-08 | 燕山大学 | Deceleration and speed change integrated face gear pair and processing method thereof |
| CN104493472A (en) * | 2014-12-17 | 2015-04-08 | 东莞市精心自动化设备科技有限公司 | Screw distributor |
| CN104564833A (en) * | 2014-12-26 | 2015-04-29 | 珠海格力电器股份有限公司 | Guide vane component, centrifugal compressor and air conditioner |
| CN204615565U (en) * | 2015-03-14 | 2015-09-02 | 石泰山 | A kind of New type water pump motor drives assembly |
| CN205097109U (en) * | 2015-11-09 | 2016-03-23 | 无锡丹尼克尔自动化科技有限公司 | Vacuum carousel declines type screw and arranges material machine and inhale nailing machine and construct |
| KR101776668B1 (en) * | 2016-03-16 | 2017-09-13 | 주식회사 씨케이엘 | Apparatus for laminating at least two products |
| CN205802401U (en) * | 2016-05-28 | 2016-12-14 | 苏州龙雨电子设备有限公司 | Rotating disk screw pay-off |
| CN206084306U (en) * | 2016-10-14 | 2017-04-12 | 苏州杰锐思自动化设备有限公司 | Two real empty tray formula feeders |
| CN106743544A (en) * | 2016-12-02 | 2017-05-31 | 芜湖市元山机械制造有限公司 | A kind of electric motor car suspended rack assembly machines feed mechanism |
| CN107322256A (en) * | 2017-07-17 | 2017-11-07 | 常州工学院 | It is a kind of to drag N trippers based on cylinder is promoted one |
| CN207087309U (en) * | 2017-08-18 | 2018-03-13 | 上海克来机电自动化工程股份有限公司 | One kind concentrates feeding system |
| CN108098287A (en) * | 2017-12-14 | 2018-06-01 | 常州工学院 | One based on electrical machine belt pulley transmission drags more trippers |
| CN108341261A (en) * | 2018-02-02 | 2018-07-31 | 嘉兴和新精冲科技有限公司 | Tooth machining unit automatic charging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109262246B (en) | 2020-08-14 |
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