CN207619637U - A kind of drive mechanism of sewing machine for knitting - Google Patents
A kind of drive mechanism of sewing machine for knitting Download PDFInfo
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- CN207619637U CN207619637U CN201721616334.7U CN201721616334U CN207619637U CN 207619637 U CN207619637 U CN 207619637U CN 201721616334 U CN201721616334 U CN 201721616334U CN 207619637 U CN207619637 U CN 207619637U
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- cams
- transmission mechanism
- rocking bar
- sewing machine
- trundle
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Abstract
The utility model is related to Linking machines technical field more particularly to a kind of drive mechanism of sewing machine for knitting.Including fixing bracket, main rotary shaft, swing up and down transmission mechanism and the transmission mechanism that swings, main rotary shaft swings up and down transmission mechanism and the transmission mechanism that swings is separately mounted on fixing bracket, swings up and down transmission mechanism and is connected respectively with main rotary shaft with the transmission mechanism that swings.Pass through double cam active drive and the passive matrix of 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 utility model uses Open architecture, and adjustment bolt is arranged in double cam so that the utility model 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, can garment piece suture work efficient, that sweater is rapidly completed by Linking machines for suturing sweater running-on
Make, the efficiency than manual suture greatly improves.And existing Linking machines is generally used bar-link drive in the market, in high speed
When operation, easy to produce prodigious noise, and the time is grown, connecting rod is easily deformed so that Linking machines is uneven to needle, suture too
Pine, is easily damaged the problems such as fabric at striker.
Chinese invention CN202968955U discloses a kind of Linking machines mandril transmission mechanism comprising：One pedestal, installation
The mandril in pedestal is equipped with one first carriage, the top in the mandril for one end inconsistent with the cam of Linking machines
One second carriage is installed for inconsistent one end of centering block with Linking machines in bar, first carriage and the second sliding
Device is in vertical distribution.Although the invention also discloses that cam drive, but the mandril of the invention directly connects with cam surface
It touches, with the rotation of cam, the curved surface of different location and the contact angle of mandril are different so that mandril is easy card in operation
Tightly, frictional force is larger in operation, and equipment is easily damaged.
Invention content
To solve the above-mentioned problems and and propose a kind of drive mechanism of sewing machine for knitting that stable structure is more efficient.
A kind of drive mechanism of sewing machine for knitting, including fixing bracket, 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 fixing bracket, swings up and down transmission mechanism and connected respectively with main rotary shaft with the transmission mechanism that swings, its main feature is that,
The transmission mechanism that swings up and down includes a driving mechanisms, the first rocker device, the second rocker device and a execution units；Described
The transmission mechanism that swings includes b driving mechanisms, third rocker device, the 4th rocker device and b execution units.
Preferably, a driving mechanisms are a cams, and a cams are mounted 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
Cam curved surface tangent connection is 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, the circular hole with
Fixing bracket carries out axis 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 lower part of lower push rod connects, and the other end is fixedly connected with a execution units, there is circular hole in the middle part of upper and lower rocking bar, the circular hole and
Step carries out axis pin connection.
Preferably, the b driving mechanisms are b cams, and b cams are mounted on one end of main rotary shaft.
Preferably, there is the short waist hole of arc-shaped on a cams, there is screw hole, bolt to pass through the circle on a cams on b cams
Screw hole in the short waist hole of arcuation and b cams makes b cams and a cams even be integral；Wherein a cams and b cams be all
There is a chimb that one end is high, when installation, the chimb of a cams and b cams all on the outside, constitutes the overall structure that middle part is in groove.
Preferably, the third rocker device includes trundle device and left and right mandril, and wherein trundle device is by small rolling
Wheel support and two trundle compositions, two trundles are vertically installed on trundle holder, have circle in the middle part of trundle holder
Hole, the circular hole are connected with fixing bracket axis pin, the tangent connection of curved surface of the trundle and b cams of lower part, the small rolling on top
Wheel withstands the rear end face of left and right mandril.
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 connect with third rocker device；One end of left and right extension spring is connected with fixing bracket, 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 connects up-down stretch spring；There is through-hole in upper and lower rocker bracket side, has circular hole in the middle part of the through-hole and upper and lower rocking bar
It is connected by pin, fluting in the middle part of upper and lower rocker bracket, upper and lower rocking bar is placed in the slot.
The beneficial effects of the invention are as follows：Pass through double cam active drive and the passive matrix of 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
Adjustment bolt is arranged in structure in double cam so that structure of the invention is compact, and adjustment is easy to maintenance.
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 the A-A views of Fig. 2.
Fig. 5 is the B-B views of Fig. 2.
Fig. 6 is cam structure figure of the present invention.
Fig. 7 is step front view of the present invention.
Fig. 8 is the upward view of Fig. 7.
Wherein：1- fixing brackets；2- main 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；38- or more 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；362- or more rocker brackets；The 363- supports of bearing.
Specific implementation mode
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 the side view of Fig. 2.The present invention
Be related to a kind of drive mechanism of sewing machine for knitting, including fixing bracket 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 fixing bracket 1, swings up and down transmission mechanism 3 and the transmission mechanism 4 that swings connects with main rotary shaft 2 respectively
It connects, wherein the transmission mechanism 3 that swings up and down includes a driving mechanisms, the first rocker device, the second rocker device and a enforcement divisions
Part；The transmission mechanism 4 that swings includes b driving mechanisms, third rocker device, the 4th rocker device and b execution units.
When main rotary shaft 2 rotates, drives swing up and down transmission mechanism 3 and the movement of transmission mechanism 4 that swings respectively.Oil groove 6 is used for
Lubricating oil is stored, the collective effect of oil cover 5 and oil groove 6 avoids lubricating oil splash outgoing.
If Fig. 4 is the A-A views of Fig. 2, the structure chart of transmission mechanism 3, including a driving mechanisms, are mainly swung up and down
One rocker device, the second rocker device and a execution units；The wherein described a driving mechanisms are a cams 311, and a cams 311 are mounted 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 to be connected with 33 top of upper lower push rod 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 axis pin with fixing bracket 1 and connects.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 lower part of upper lower push rod 33, and the other end is fixedly connected with a execution units, upper and lower rocking bar
38 middle part has circular hole, the circular hole to carry out axis pin with step 36 and connect.When main rotary shaft 2 rotates, a cams are driven
311 rotations, 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 releases, and under the effect of up-down stretch spring 37, upper and lower rocking bar 38 is swung up, while being withstood up and down
Mandril 33 moves upwards, and then upper lower push rod 33 withstands 32 right side of lower shake-changing arm 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 equipment being caused to be easily damaged.
If Fig. 5 is the B-B views of Fig. 2, the structure chart for the transmission mechanism 4 that mainly swings, including, including b driving machines
Structure, third rocker device, the 4th rocker device and b execution units.
The wherein described b driving mechanisms are b cams 312, and b cams 312 are mounted on one end of main rotary shaft 2；Third rocking bar machine
Structure includes trundle device 42 and left and right mandril 43, and wherein trundle device 42 is made of trundle holder and two trundles,
Two trundles are vertically installed on trundle holder, there is circular hole, the circular hole and fixing bracket 1 in the middle part of trundle holder
Axis pin connects, the tangent connection of curved surface of the trundle and b cams 312 of lower part, after the trundle on top withstands left and right mandril 43
End face passes through 42 connection function of trundle device so that left and right mandril 43 is avoided cam from directly driving a left side by the power of left and right directions
Right mandril 43 so that left and right mandril 43 by upper and lower directions power, to increase the abrasion of left and right mandril 43 and holder.In addition,
The position of the intermediate pin hole of trundle device 42 can be arranged as required to, according to lever principle, by the way that reduction and cam is arranged
While the intermediate pin hole distance for the trundle device 42 being in contact, the high points of b cams 312 can do it is smaller, so as to
The size for reducing b cams 312, so that more compact structure.4th rocker device includes top chock 34, left and right extension spring
44, upper lower push rod 33, bearing bracket 35 and step 36, top chock 34 and step 36 are separately mounted to bearing block
35 both ends of holder have rocking bar, 43 front end face of left and right mandril to withstand the rocking bar on top chock 34 on top chock 34；It is left
One end of right extension spring 44 and fixing bracket 1 connect, and the other end is connected with the rocking bar on top chock 34, top chock
34, upper lower push rod 33 and step 36 are successively to connection.Main shaft 2 rotates, and b cams 312 is driven to rotate.When b cams 312
When turning to high point, 312 curved surface of b cams withstands the lower part trundle on trundle device 42, then 42 up time of trundle device
Needle direction rotates, and the top trundle of trundle device 42 withstands left and right mandril 43 and moves right, the left side on third rocker device
Right mandril 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 fixing bracket 1 between install left and right extension spring 44, then the rocking bar on top chock 34 make left and right extension spring
44 are in tensional state.Top chock 34 drives step 36 to turn right together 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 left and right under the action of 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 mandril 43 and is moved to the left.To entirely swing, transmission mechanism 4 completes swinging for a cycle.It is whole
B cams 312, trundle device 42, left and right mandril 43, top chock 34 all keep closely connecting during a, prevent frequent
Separately contact causes impact damage.
It if Fig. 6 is cam structure figure of the present invention, designs through the invention 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 has one end in a cams 311 and b cams 312
High chimb, when installation, the chimb of a cams 311 and b cams 312 all on the outside, constitutes the overall structure that middle part is in groove.A is convex
The chimb of 311 and b of wheel cams 312 is borne by power transmission effect.Sometimes transmission mechanism 3 is swung up and down and the driver that swings
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 a cams 311
Waist hole has screw hole, bolt 313 to make by the screw hole in the short waist hole of arc-shaped and b cams 312 on a cams 311 on b cams 312
It obtains b cams 312 and a cams 311 is even integral.
If Fig. 7 is step front view of the present invention, Fig. 8 is the upward view of Fig. 7.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, are had on spring support 361
Two through hole, connection up-down stretch spring 37；There is a through-hole in upper and lower 362 side of rocker bracket, the through-hole and upper and lower rocking bar 38
Middle part has circular hole to be connected by pin, and 362 middle part fluting of upper and lower rocker bracket, upper and lower rocking bar 38 is placed in the slot.This hair
36 structure of bright step is simplified, and swinging up and down for upper and lower rocking bar 38 and swinging for upper and lower rocking bar 38 have been gathered.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to 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 fixing bracket（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 fixing bracket（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）It is driven including a
Mechanism, the first rocker device, the second rocker device and a execution units；The transmission mechanism that swings（4）It is driven including b
Mechanism, third rocker device, the 4th rocker device and b execution units.
2. a kind of drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：The a driving mechanisms are a cams
（311）, a cams（311）Mounted on main rotary shaft（2）One end.
3. a kind of drive mechanism of sewing machine for knitting according to claim 2, 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, the circular hole and fixing bracket（1）Into marketing
Axis connection.
4. a kind of drive mechanism of sewing machine for knitting according to claim 3, 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）Lower part connection, it is another
End is fixedly connected with a execution units, upper and lower rocking bar（38）Middle part have circular hole, the circular hole and step（36）Into marketing
Axis connection.
5. a kind of drive mechanism of sewing machine for knitting according to claim 2, it is characterised in that：The b driving mechanisms are b cams
（312）, b cams（312）Mounted on main rotary shaft（2）One end.
6. a kind of drive mechanism of sewing machine for knitting according to claim 5, it is characterised in that：The a cams（311）On have circle
The short waist hole of arcuation, b cams（312）On have screw hole, bolt（313）Pass through a cams（311）On the short waist hole of arc-shaped and b cams
（312）On screw hole make b cams（312）With a cams（311）Company is integral；Wherein a cams（311）With b cams
（312）There is a chimb that one end is high, when installation, a cams（311）With b cams（312）Chimb all on the outside, constitute middle part be in
The overall structure of groove.
7. a kind of drive mechanism of sewing machine for knitting according to claim 1, it is characterised in that：The third rocker device includes small
Roller devices（42）With left and right mandril（43）, wherein trundle device（42）It is made of trundle holder and two trundles, two
A trundle is vertically installed on trundle holder, there is circular hole, the circular hole and fixing bracket in the middle part of trundle holder（1）
Axis pin connects, the trundle and b cams of lower part（312）The tangent connection of curved surface, the trundle on top withstands left and right mandril（43）
Rear end face.
8. a kind of 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 connect with third rocker device；Left and right extension spring（44）One end and fixing bracket（1）Even
It connects, 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.
9. a kind of drive mechanism of sewing machine for knitting according to claim 4 or 8, it is characterised in that：The step（36）Packet
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, the 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 the slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616334.7U CN207619637U (en) | 2017-11-28 | 2017-11-28 | A kind of drive mechanism of sewing machine for knitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721616334.7U CN207619637U (en) | 2017-11-28 | 2017-11-28 | A kind of drive mechanism of sewing machine for knitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207619637U true CN207619637U (en) | 2018-07-17 |
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ID=62824654
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721616334.7U Active CN207619637U (en) | 2017-11-28 | 2017-11-28 | A kind of drive mechanism of sewing machine for knitting |
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| CN (1) | CN207619637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780069A (en) * | 2017-11-28 | 2018-03-09 | 何雪松 | A kind of drive mechanism of sewing machine for knitting |
-
2017
- 2017-11-28 CN CN201721616334.7U patent/CN207619637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780069A (en) * | 2017-11-28 | 2018-03-09 | 何雪松 | A kind of drive mechanism of sewing machine for knitting |
| CN107780069B (en) * | 2017-11-28 | 2023-02-28 | 何雪松 | Transmission mechanism of linking machine |
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