CN107780069A - A kind of drive mechanism of sewing machine for knitting - Google Patents
A kind of drive mechanism of sewing machine for knitting Download PDFInfo
- Publication number
- CN107780069A CN107780069A CN201711214543.3A CN201711214543A CN107780069A CN 107780069 A CN107780069 A CN 107780069A CN 201711214543 A CN201711214543 A CN 201711214543A CN 107780069 A CN107780069 A CN 107780069A
- Authority
- CN
- China
- Prior art keywords
- cams
- transmission mechanism
- push rod
- rocking bar
- sewing machine
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- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B7/00—Linking machines, e.g. for joining knitted fabrics
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to Linking machines technical field, more particularly to a kind of drive mechanism of sewing machine for knitting.Including fixed support, main rotary shaft, swing up and down transmission mechanism and the transmission mechanism that swings, main rotary shaft, swing up and down transmission mechanism and the transmission mechanism that swings is separately mounted on fixed support, swing up and down transmission mechanism and connected respectively with main rotary shaft with the transmission mechanism that swings.Pass through the passive matrix of double cam active drive, and spring so that swing up and down transmission mechanism and the transmission mechanism that swings makees periodic oscillations back and forth respectively, motion process is steady.The present invention uses Open architecture, and adjustment bolt is set in double cam so that the present invention is compact-sized, and adjustment is easy to maintenance.
Description
Technical field
The present invention relates to Linking machines technical field, more particularly to a kind of drive mechanism of sewing machine for knitting.
Background technology
Linking machines is used to suture sweater running-on, by Linking machines, can efficiently, the garment piece that is rapidly completed sweater suture work
Make, the efficiency than manual suture greatly improves.And the existing Linking machines of in the market typically all uses bar-link drive, at a high speed
During operation, easily produce very big noise, and the time is grown, connecting rod is easily deformed so that Linking machines is uneven to pin, suture too
Pine, striker, it is easily damaged the problems such as fabric.
Chinese invention CN202968955U discloses a kind of Linking machines push rod transmission mechanism, and it includes：One pedestal, installation
The push rod in pedestal, one first carriage, the top are installed for one end inconsistent with the cam of Linking machines in the push rod
It is used to one second carriage be installed with inconsistent one end of centering block of Linking machines in bar, first carriage and second slides
Device is in vertical distribution.Although the invention also discloses that cam drive, but the push rod of the invention directly connects with cam surface
Touch, with the rotation of cam, the curved surface of diverse location and the contact angle of push rod are different so that push rod easily blocks in operation
Tightly, frictional force is larger in operation, and equipment is easily damaged.
The content of the invention
In order to solve the above problems and and propose a kind of more efficient drive mechanism of sewing machine for knitting of Stability Analysis of Structures.
A kind of drive mechanism of sewing machine for knitting, including fixed support, main rotary shaft, swing up and down transmission mechanism, swing biography
Motivation structure, oil cover and oil groove, main rotary shaft, swing up and down transmission mechanism, the transmission mechanism that swings, oil cover and oil groove pacify respectively
On fixed support, swing up and down transmission mechanism and connected respectively with main rotary shaft with the transmission mechanism that swings, is characterized in,
The transmission mechanism that swings up and down includes a drive mechanisms, the first rocker device, the second rocker device and a execution units；Described
The transmission mechanism that swings includes b drive mechanisms, the 3rd rocker device, the 4th rocker device and b execution units.
Preferably, a drive mechanisms are a cams, and a cams are arranged on one end of main rotary shaft.
Preferably, first rocker device includes upper lower shake-changing arm and upper lower push rod, show under one end of upper lower shake-changing arm and
The tangent connection of cam curved surface, be connected at the top of other end and upper lower push rod, there is circular hole in the middle part of upper lower shake-changing arm, described circular hole with
Fixed support carries out bearing pin connection.
Preferably, second rocker device includes up-down stretch spring and upper and lower rocking bar, one end of upper and lower rocking bar and upper
The bottom connection of lower push rod, the other end is fixedly connected with a execution units, there is circular hole in the middle part of upper and lower rocking bar, described circular hole and
Step carries out bearing pin connection.
Preferably, the b drive mechanisms are b cams, and b cams are arranged on one end of main rotary shaft.
Preferably, there is the short waist hole of arc-shaped on described a cams, there is screw on b cams, bolt passes through the circle on a cams
Screw in the short waist hole of arcuation and b cams causes b cams and described a cams to be even integral；Wherein a cams and b cams be all
There is a chimb that one end is high, during installation, the chimb of a cams and b cams forms the overall structure that middle part is in groove all in outside.
Preferably, the 3rd rocker device includes trundle device and left and right push rod, and wherein trundle device is by small rolling
Wheel support and two trundle compositions, two trundles are vertically installed on trundle support, have circle in the middle part of trundle support
Hole, described circular hole connect with fixed support bearing pin, the tangent connection of curved surface of the trundle and b cams of bottom, the small rolling on top
Wheel withstands the rear end face of left and right push rod.
Preferably, the 4th rocker device includes top chock, left and right extension spring, upper lower push rod, bearing bracket
And step, top chock and step are separately mounted to bearing bracket both ends, there is rocking bar on top chock, described
Rocking bar on top chock is connected with the 3rd rocker device；One end of left and right extension spring connects with fixed support, the other end and
Rocking bar on top chock is connected, and top chock, upper lower push rod and step are successively to connection.
Preferably, the step includes spring support, upper and lower rocker bracket and the support of bearing, has two on spring support
Through hole, connect up-down stretch spring；There is through hole upper and lower rocker bracket side, has circular hole in the middle part of described through hole and upper and lower rocking bar
Connected by pin, slotted in the middle part of upper and lower rocker bracket, upper and lower rocking bar is placed in described groove.
The beneficial effects of the invention are as follows：Pass through the passive matrix of double cam active drive, and spring so that swing up and down
Transmission mechanism and the transmission mechanism that swings make periodic oscillations back and forth respectively, and motion process is steady.The present invention uses open knot
Structure, adjustment bolt is set in double cam so that the present invention is compact-sized, and adjustment is easy to maintenance.
Brief description of the drawings
Fig. 1 is present system structure chart.
Fig. 2 is present system front view.
Fig. 3 is drive mechanism figure of the present invention.
Fig. 4 is Fig. 2 A-A views.
Fig. 5 is Fig. 2 B-B views.
Fig. 6 is cam structure figure of the present invention.
Fig. 7 is step front view of the present invention.
Fig. 8 is Fig. 7 upward view.
Wherein：1- fixed supports；2- final drive shafts；3- swings up and down transmission device；4- swings transmission device；5- oil
Cover；6- oil grooves；311-a cams；The upper lower shake-changing arms of 32-；The upper lower push rods of 33-；34- top chocks；35- bearing brackets；36- lower axles
Bearing；37- up-down stretch springs；Above and below 38- rocking bars；312-b cams；313- bolts；42- trundle devices；43- or so is pushed up
Bar；44- or so extension springs；361- spring supports；Above and below 362- rocker brackets；The 363- supports of bearing.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
If Fig. 1 is present system structure chart, Fig. 2 is present system front view, and Fig. 3 is Fig. 2 side view.The present invention
Be related to a kind of drive mechanism of sewing machine for knitting, including fixed support 1, main rotary shaft 2, swing up and down transmission mechanism 3, swing transmission
Mechanism 4, oil cover 5 and oil groove 6, main rotary shaft 2, swing up and down transmission mechanism 3, the transmission mechanism 4 that swings, oil cover 5 and oil groove 6
It is separately mounted on fixed support 1, swings up and down transmission mechanism 3 and the transmission mechanism 4 that swings connects with main rotary shaft 2 respectively
Connect, wherein the transmission mechanism 3 that swings up and down includes a drive mechanisms, the first rocker device, the second rocker device and a enforcement divisions
Part；The described transmission mechanism 4 that swings includes b drive mechanisms, the 3rd rocker device, the 4th rocker device and b execution units.
When main rotary shaft 2 rotates, drive swings up and down transmission mechanism 3 respectively and the transmission mechanism 4 that swings moves.Oil groove 6 is used for
The collective effect of lubricating oil, oil cover 5 and oil groove 6 is stored, avoids lubricating oil splash from going out.
If Fig. 4 is Fig. 2 A-A views, the structure chart of transmission mechanism 3, including a drive mechanisms, are mainly swung up and down
One rocker device, the second rocker device and a execution units；Wherein described a drive mechanisms are a cams 311, and a cams 311 are arranged on
One end of main rotary shaft 2.First rocker device includes upper lower shake-changing arm 32 and upper lower push rod 33, under one end of upper lower shake-changing arm 32
Show with the upper top of lower push rod 33 to be connected with the tangent connection of cam curved surface, other end, there is circular hole at the middle part of upper lower shake-changing arm 32, institute
The circular hole stated carries out bearing pin with fixed support 1 and connected.Second rocker device includes up-down stretch spring 37 and upper and lower rocking bar
38, one end of upper and lower rocking bar 38 is connected with the bottom of upper lower push rod 33, and the other end is fixedly connected with a execution units, upper and lower rocking bar
There is circular hole at 38 middle part, and described circular hole carries out bearing pin with step 36 and connected.When main rotary shaft 2 rotates, a cams are driven
311 rotate, the curved surface of a cams 311 connects with the lower surface on the left side of upper lower shake-changing arm 32, due to the different height of a cams 311
Surface, when a cams 311 go to high point, the left end of upper lower shake-changing arm 32 is jacked up upwards, at the same time, the right side of upper lower shake-changing arm 32
Push down lower push rod 33 in side lower surface so that upper lower push rod 33 moves downward, and rocking bar 38 up and down is withstood in the lower end of upper lower push rod 33,
Upper and lower rocking bar 38 is to lower swing.At the same time, up-down stretch spring 37 is elongated by upper and lower rocking bar 38；When a cams 311 go to low spot
When, the thrust of a cams 311 is released, and under the effect of up-down stretch spring 37, upper and lower rocking bar 38 is swung up, while is withstood up and down
Push rod 33 moves upwards, and then upper lower push rod 33 withstands the right side of lower shake-changing arm 32 and is swung up, to the bottom on the left of upper lower shake-changing arm 32
It is dynamic.So that the swing that transmission mechanism 3 completes a cycle is swung up and down, a cams 311, upper lower shake-changing arm 32 in whole process
It is in close contact with upper lower push rod 33, prevents frequent impact from causing equipment to be easily damaged.
If Fig. 5 is Fig. 2 B-B views, the structure chart for the transmission mechanism 4 that mainly swings, including, including b driving machines
Structure, the 3rd rocker device, the 4th rocker device and b execution units.
Wherein described b drive mechanisms are b cams 312, and b cams 312 are arranged on one end of main rotary shaft 2；3rd rocking bar machine
Structure includes trundle device 42 and left and right push rod 43, and wherein trundle device 42 is made up of trundle support and two trundles,
Two trundles are vertically installed on trundle support, there is circular hole, described circular hole and fixed support 1 in the middle part of trundle support
Bearing pin connects, the tangent connection of curved surface of the trundle and b cams 312 of bottom, after the trundle on top withstands left and right push rod 43
End face, pass through the connection function of trundle device 42 so that left and right push rod 43 is avoided cam direct drive left by the power of left and right directions
Right push rod 43 so that left and right push rod 43 by above-below direction power, so as to increase the abrasion of left and right push rod 43 and support.In addition,
The position of the middle pin-and-hole of trundle device 42 can be arranged as required to, according to lever principle, by setting reduction and cam
While the intermediate pin pitch-row for the trundle device 42 being in contact can be done from the high point position of, b cams 312 it is less, so as to
Reduce the size of b cams 312, so that more compact structure.4th rocker device includes top chock 34, left and right extension spring
44th, upper lower push rod 33, bearing bracket 35 and step 36, top chock 34 and step 36 are separately mounted to bearing block
The both ends of support 35, there is rocking bar on top chock 34, the described front end face of left and right push rod 43 withstands the rocking bar on top chock 34；It is left
One end of right extension spring 44 and fixed support 1 connect, and the other end is connected with the rocking bar on top chock 34, top chock
34th, upper lower push rod 33 and step 36 are successively to connection.Final drive shaft 2 rotates, and drives b cams 312 to rotate.When b cams 312
When turning to high point, the curved surface of b cams 312 withstands the bottom trundle on trundle device 42, then the up time of trundle device 42
Pin direction rotates, and the top trundle of trundle device 42 withstands left and right push rod 43 and moved right, the left side on the 3rd rocker device
Right push rod 43 withstands the rocking bar on top chock 34 so that the rocking bar on top chock 34 turns right.On top chock 34
Rocking bar and fixed support 1 between install left and right extension spring 44, then the rocking bar on top chock 34 cause left and right extension spring
44 are in extended state.Top chock 34 drives step 36 together to turn right by upper lower push rod 33 simultaneously, then lower axle
Bearing 36 drives upper and lower rocking bar 38 to swing to the right.When b cams 312 turn to low spot, b cams 312 are released to trundle device
42 active forces, in the presence of left and right extension spring 44, top chock 34 is swung to the left.Top chock 34 drives top up and down simultaneously
36 1 pieces of bar 33 and step turn left, and step 36 drives upper and lower rocking bar 38 to swing to the left；On top chock 34
Rocking bar withstands left and right push rod 43 and is moved to the left.So as to entirely swing, transmission mechanism 4 completes swinging for a cycle.It is whole
B cams 312, trundle device 42, left and right push rod 43, top chock 34 all keep close connection during individual, prevent frequently
Separately contact causes impact damage.
If Fig. 6 is cam structure figure of the present invention, pass through present invention design so that drive mechanism is compact, and a cams 311 and b are convex
Wheel 312 is respectively as the driving structure for swinging up and down transmission mechanism 3 and the transmission mechanism 4 that swings, in order to avoid as upper and lower
Influencing each other between swinging transmission mechanism 3 and the transmission mechanism 4 that swings, there is one end in a cams 311 and b cams 312
High chimb, during installation, the chimb of a cams 311 and b cams 312 forms the overall structure that middle part is in groove all in outside.A is convex
The chimb of 311 and b of wheel cams 312 is borne by power transmission effect.Sometimes transmission mechanism 3 and the driver that swings are swung up and down
Have that run duration is poor between structure 4, in order to adjust the time for swinging up and down transmission mechanism 3 between the transmission mechanism 4 that swings
Difference, it usually needs the differential seat angle between adjustment a cams 311 and b cams 312.Therefore there is arc-shaped short on described a cams 311
Waist hole, there is screw on b cams 312, bolt 313 is made by the screw in the short waist hole of arc-shaped and b cams 312 on a cams 311
Obtain b cams 312 and described a cams 311 are even integral.
If Fig. 7 is step front view of the present invention, Fig. 8 is Fig. 7 upward view.The structure of main description step 36
Figure, the step 36 include spring support 361, upper and lower rocker bracket 362 and the support of bearing 363, had on spring support 361
Two through hole, connection up-down stretch spring 37；There is a through hole the upper and lower side of rocker bracket 362, described through hole and upper and lower rocking bar 38
Middle part has circular hole to be connected by pin, and the upper and lower middle part of rocker bracket 362 is slotted, and upper and lower rocking bar 38 is placed in described groove.This hair
The bright structure of step 36 is simplified, and has gathered swinging up and down for upper and lower rocking bar 38 and swinging for upper and lower rocking bar 38.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification, thus it is all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (9)
1. a kind of drive mechanism of sewing machine for knitting, including fixed support（1）, main rotary shaft（2）, swing up and down transmission mechanism（3）, or so
Swinging transmission mechanism（4）, oil cover（5）And oil groove（6）, main rotary shaft（2）, swing up and down transmission mechanism（3）, swing transmission
Mechanism（4）, oil cover（5）And oil groove（6）It is separately mounted to fixed support（1）On, swing up and down transmission mechanism（3）With swing
Transmission mechanism（4）Respectively and main rotary shaft（2）Connection, it is characterised in that：It is described to swing up and down transmission mechanism（3）Driven including a
Mechanism, the first rocker device, the second rocker device and a execution units；The described transmission mechanism that swings（4）Driven including b
Mechanism, the 3rd rocker device, the 4th rocker device and b execution units.
A kind of 2. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：The a drive mechanisms are a cams
（311）, a cams（311）Installed in main rotary shaft（2）One end.
A kind of 3. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：First rocker device includes upper
Lower shake-changing arm（32）With upper lower push rod（33）, upper lower shake-changing arm（32）One end under show and the tangent connection of cam curved surface, other end
With upper lower push rod（33）Top is connected, upper lower shake-changing arm（32）Middle part have circular hole, described circular hole and fixed support（1）Enter marketing
Axis connection.
A kind of 4. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：Second rocker device includes upper
Lower extension spring（37）With upper and lower rocking bar（38）, upper and lower rocking bar（38）One end and upper lower push rod（33）Bottom connection, it is another
End is fixedly connected with a execution units, upper and lower rocking bar（38）Middle part have circular hole, described circular hole and step（36）Enter marketing
Axis connection.
A kind of 5. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：The b drive mechanisms are b cams
（312）, b cams（312）Installed in main rotary shaft（2）One end.
A kind of 6. drive mechanism of sewing machine for knitting according to claim 1 or 5, it is characterised in that：Described a cams（311）On
There are the short waist hole of arc-shaped, b cams（312）On have screw, bolt（313）Pass through a cams（311）On the short waist hole of arc-shaped and b
Cam（312）On screw cause b cams（312）With described a cams（311）Company is integral；Wherein a cams（311）And b
Cam（312）There is a chimb that one end is high, during installation, a cams（311）With b cams（312）Chimb all in outside, composition
Portion is in the overall structure of groove.
A kind of 7. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：3rd rocker device includes small
Roller devices（42）With left and right push rod（43）, wherein trundle device（42）It is made up of trundle support and two trundles, two
Individual trundle is vertically installed on trundle support, there is circular hole, described circular hole and fixed support in the middle part of trundle support（1）
Bearing pin connects, the trundle and b cams of bottom（312）The tangent connection of curved surface, the trundle on top withstands left and right push rod（43）
Rear end face.
A kind of 8. drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：4th rocker device includes upper
Bearing block（34）, left and right extension spring（44）, upper lower push rod（33）, bearing bracket（35）And step（36）, upper bearing (metal)
Seat（34）And step（36）It is separately mounted to bearing bracket（35）Both ends, top chock（34）On have rocking bar, it is described
Top chock（34）On rocking bar be connected with the 3rd rocker device；Left and right extension spring（44）One end and fixed support（1）Even
Connect, the other end and top chock（34）On rocking bar be connected, top chock（34）, upper lower push rod（33）And step（36）
Successively to connection.
A kind of 9. drive mechanism of sewing machine for knitting according to claim 4 or 8, it is characterised in that：The step（36）Bag
Include spring support（361）, upper and lower rocker bracket（362）And the support of bearing（363）, spring support（361）On have two through hole, connect
Up-down stretch spring（37）；Upper and lower rocker bracket（362）There are through hole, described through hole and upper and lower rocking bar in side（38）Middle part have
Circular hole is connected by pin, upper and lower rocker bracket（362）Middle part is slotted, upper and lower rocking bar（38）It is placed in described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214543.3A CN107780069B (en) | 2017-11-28 | 2017-11-28 | Transmission mechanism of linking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214543.3A CN107780069B (en) | 2017-11-28 | 2017-11-28 | Transmission mechanism of linking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780069A true CN107780069A (en) | 2018-03-09 |
| CN107780069B CN107780069B (en) | 2023-02-28 |
Family
ID=61430671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214543.3A Active CN107780069B (en) | 2017-11-28 | 2017-11-28 | Transmission mechanism of linking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780069B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722803A (en) * | 2019-01-03 | 2019-05-07 | 王贤虎 | A kind of various dimensions amplification noise reduction mechanism |
| CN110644146A (en) * | 2019-10-31 | 2020-01-03 | 东莞市缝神机械有限公司 | High-speed synchronous belt linking machine |
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|---|---|---|---|---|
| US5606876A (en) * | 1994-04-26 | 1997-03-04 | Sangiacomo S.P.A. | Device for handling knitted products manufactured on circular stocking knitting machines |
| CN2501892Y (en) * | 2001-10-31 | 2002-07-24 | 汕头经济特区意润机器厂有限公司 | Driving apparatus for disc sewing machine |
| CN2512795Y (en) * | 2001-08-31 | 2002-09-25 | 李木吉 | Novel rotary hook straight needle table type sewing disc machine |
| CN201785601U (en) * | 2010-04-27 | 2011-04-06 | 敖鸥平 | Linking machine piece hitting transmission mechanism |
| CN202968955U (en) * | 2012-11-01 | 2013-06-05 | 东莞市缝神机械有限公司 | Push rod transmission mechanism for linking machine |
| CN203700702U (en) * | 2013-12-17 | 2014-07-09 | 连云港至和服饰有限公司 | Dial linking machine |
| CN205329294U (en) * | 2016-01-28 | 2016-06-22 | 东莞市缝神机械有限公司 | Linking machine's main shaft bearing structure |
| CN106012280A (en) * | 2016-08-08 | 2016-10-12 | 何雪松 | Transmission system for dial linking machine |
| CN207619637U (en) * | 2017-11-28 | 2018-07-17 | 何雪松 | A kind of drive mechanism of sewing machine for knitting |
-
2017
- 2017-11-28 CN CN201711214543.3A patent/CN107780069B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606876A (en) * | 1994-04-26 | 1997-03-04 | Sangiacomo S.P.A. | Device for handling knitted products manufactured on circular stocking knitting machines |
| CN2512795Y (en) * | 2001-08-31 | 2002-09-25 | 李木吉 | Novel rotary hook straight needle table type sewing disc machine |
| CN2501892Y (en) * | 2001-10-31 | 2002-07-24 | 汕头经济特区意润机器厂有限公司 | Driving apparatus for disc sewing machine |
| CN201785601U (en) * | 2010-04-27 | 2011-04-06 | 敖鸥平 | Linking machine piece hitting transmission mechanism |
| CN202968955U (en) * | 2012-11-01 | 2013-06-05 | 东莞市缝神机械有限公司 | Push rod transmission mechanism for linking machine |
| CN203700702U (en) * | 2013-12-17 | 2014-07-09 | 连云港至和服饰有限公司 | Dial linking machine |
| CN205329294U (en) * | 2016-01-28 | 2016-06-22 | 东莞市缝神机械有限公司 | Linking machine's main shaft bearing structure |
| CN106012280A (en) * | 2016-08-08 | 2016-10-12 | 何雪松 | Transmission system for dial linking machine |
| CN207619637U (en) * | 2017-11-28 | 2018-07-17 | 何雪松 | A kind of drive mechanism of sewing machine for knitting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722803A (en) * | 2019-01-03 | 2019-05-07 | 王贤虎 | A kind of various dimensions amplification noise reduction mechanism |
| CN110644146A (en) * | 2019-10-31 | 2020-01-03 | 东莞市缝神机械有限公司 | High-speed synchronous belt linking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107780069B (en) | 2023-02-28 |
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