CN107227560A - A kind of new microcephaly's sewing machine - Google Patents
A kind of new microcephaly's sewing machine Download PDFInfo
- Publication number
- CN107227560A CN107227560A CN201710668185.7A CN201710668185A CN107227560A CN 107227560 A CN107227560 A CN 107227560A CN 201710668185 A CN201710668185 A CN 201710668185A CN 107227560 A CN107227560 A CN 107227560A
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- sewing
- pendulum
- feed
- feeding
- drive
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of new microcephaly's sewing machine, its drip irrigation device is to include casing, and casing is provided with assembly wall and sewing platform, assembly wall and is respectively provided with main presser feet, feed mechanism, thrust mechanism, the hoisting mechanism for compressing cloth to be sewed；Feed mechanism includes sewing needle, drives pin portion, pendulum presser feet, pendulum depression bar, puts and fulcrum and driving point are respectively equipped with depression bar；Pusher, thread cutting mechanism are installed, pusher includes pusher drive division, the feed dog relative with pendulum presser feet in sewing platform；Thrust mechanism forces in driving point, and pendulum depression bar is carried out left and right reciprocally swinging around fulcrum with sewing needle；Hoisting mechanism forces in pendulum depression bar, thread cutting mechanism is used to cut the sewing thread through sewing needle, set by three synchronous feeding mechanisms, overcome pinprick in the synchronous compound feeding seamer course of work of traditional two and be easily sewed the drawbacks of pin pulls out elongated slot, the stitching stitched out is beautiful, sewing quality is significantly lifted, compact overall structure, and kinetic stability is high.
Description
Technical field
The present invention relates to robotic suturing device technical field, more particularly to a kind of new microcephaly's sewing machine.
Background technology
Traditional sewing machine structure such as notification number is sewed for a kind of CN201952618U new microcephaly of Chinese utility model
Machine, its agent structure includes being provided with drive division, sewing needle on head, the head, and the sewing needle is made by the driving of drive division
With and produce pump vertically, bottom plate also is provided with below head；Cloth to be sewed is positioned over head and bottom plate
Between, sewing thread passes through the head of sewing needle, and sewing needle is reciprocated through cloth, and then completes the sewing action to cloth.
In addition, in the technical foundation of above-mentioned patent, similarly there is the synchronous compound feeding seamer of relatively conventional two,
Operation relation during feeding between presser feet and sewing needle is：Sewing needle insertion sewing enters while presser feet compresses sewing with presser feet
Row hook bottom line, after the completion of hook line, sewing needle lifting is exited, and presser feet is lifted during sewing, and feed dog compresses sewing with presser feet and started
Work feed completes pin action.
But existing two synchronous compound feeding seamers are in the thick material of seam, it may appear that sewing needle does not completely disengage from seam also
Material, feed dog and presser feet just start feeding, therefore, and the pinprick on sewing can be sewed pin and pull out elongated slot, cause sewing quality not
It is good.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of new microcephaly's sewing machine, it is sewed
The product quality gone out is preferable.
The present invention above-mentioned technical purpose technical scheme is that：A kind of new microcephaly's sewing machine,
Including casing, the casing is provided with assembly wall and platform of sewing, and being respectively provided with compression on the assembly wall treats sewing cloth
Main presser feet, feed mechanism, thrust mechanism, the hoisting mechanism of material；
The feed mechanism includes sewing needle, drives pin portion, pendulum presser feet, the pendulum depression bar being connected with pendulum presser feet end, the sewing needle
The syringe needle of pendulum depression bar and sewing needle is installed on through pendulum presser feet, the drive pin portion is used to drive sewing needle up and down reciprocatingly to be transported
It is dynamic, fulcrum and driving point are respectively equipped with the pendulum depression bar；
Pusher, thread cutting mechanism are installed, the pusher includes pusher drive division, with putting presser feet phase in the sewing platform
To feed dog, the pusher drive division be used for drive feed dog or so reciprocally swinging；
The thrust mechanism forces in driving point, and pendulum depression bar is carried out left and right reciprocally swinging around fulcrum with sewing needle；
The hoisting mechanism forces in pendulum depression bar, and drives feed mechanism integrally to pump；
The thread cutting mechanism is used to cut the sewing thread through sewing needle.
By above-mentioned technical proposal, in actual sewing process, cloth to be sewed can be pressed on sewing by main presser feet first
On platform, feed mechanism, thrust mechanism, hoisting mechanism common action, thrust mechanism can promote whole pendulum depression bar before fulcrum progress
After swing, and hoisting mechanism can also drive whole pendulum depression bar to be pumped, and pusher drive division can also correspond to driving
Feed dog carries out left and right reciprocally swinging, and thrust mechanism is acted with hoisting mechanism mutual cooperation, so that pendulum presser feet constantly occurs
Contact or separate two states with feed dog, and two states carry out left and right reciprocally swinging while be alternately present, and then
The purpose for promoting cloth motion simulation is reached, because sewing needle is installed on pendulum depression bar, pendulum depression bar is in swing process, sewing needle, pendulum pressure
Bar, pendulum presser feet synchronize swings, it is to avoid pinprick easily quilt occur in traditional two synchronizations compound feeding seamer courses of work
The drawbacks of sewing needle pulls out elongated slot, sewing quality is significantly lifted, and also constantly sewing needle can be driven to move up and down in addition, driving pin portion
Complete sewing action.
It is preferred that, the feed mechanism also includes fixed support, connecting bracket, and described fixed support one end is fixedly connected on
Assembly wall, and the other end is articulated with connecting bracket end, the connecting bracket is articulated with pendulum depression bar away from support bracket fastened end,
The fulcrum is located at connecting bracket and support bracket fastened pin joint.
By above-mentioned technical proposal, when there is swing and lifts two kinds of motion states up and down in pendulum depression bar simultaneously,
The motion that support bracket fastened connecting bracket can guide pendulum depression bar away from the end of pendulum presser feet is articulated with, to lift the entirety of pendulum depression bar
Kinetic stability.
It is preferred that, the pendulum depression bar side, which is connected with main support, the main support, is convexly equipped with grip slipper, the sewing needle
Including shank and it is connected to the eedle of shank end, the shank is connected to grip slipper, the eedle is through pendulum presser feet.
By above-mentioned technical proposal, main support is located at the side of pendulum depression bar, and sewing needle is installed on the folder for being convexly equipped in main support
Hold on seat, on the premise of ensureing that sewing needle installs stabilization, be similarly easy to the installation of sewing needle.
It is preferred that, the pusher drive division include cloth pushing shaft, feed lifting rock shaft, retainer drive handle, cardinal teeth frame, feed lifting fork, for driving
The work feed actuator of the dynamic positive and negative reciprocating rotary of cloth pushing shaft, the cloth pushing shaft, feed lifting rock shaft are rotatably connected in sewing platform and mutually respectively
Between be arranged in parallel, the retainer drives handle one end and is installed on cloth pushing shaft, and the feed lifting fork is connected to feed lifting rock shaft, the cardinal teeth frame one
End is articulated with retainer and drives handle away from the end of cloth pushing shaft, and sliding block is hinged with the other end, and the sliding block sliding is connected to lift tooth
In fork, the feed dog is installed on cardinal teeth frame.
By above-mentioned technical proposal, work feed actuator can drive cloth pushing shaft to carry out positive and negative rotation, and cloth pushing shaft drives retainer to drive
Pommel portion carries out reciprocally swinging, and retainer, which drives handle, can also drive cardinal teeth frame to carry out reciprocally swinging, and the sliding block in cardinal teeth frame end portion can be in lift
Reciprocatingly slided in tooth fork, and feed lifting fork can also give retainer drive pommel portion with support force, thus ensure cardinal teeth frame and
Steady swing between feed dog.
It is preferred that, the sewing platform includes setting on body frame portion and the small head below pendulum presser feet, the cardinal teeth frame
There is the extension retainer extended in small head, the feed dog is connected to the end that extension retainer deviates from cardinal teeth frame.
By above-mentioned technical proposal, because extension retainer is to extend to small head side from cardinal teeth frame side, i.e., except prolonging
The end for stretching retainer is located at outside small head, and remainder is entirely located in inside body frame portion, can significantly reduce positioned at pendulum presser feet
The mechanism of bottom is taken up space, to lift the mobile convenience for being positioned over pendulum presser feet bottom sewing cloth.
It is preferred that, the work feed actuator includes upper axle, the upper driving source that the upper axle of driving rotates in a circumferential direction, feeding and drives and tie
Structure, the feeding driving structure is connected between axle and cloth pushing shaft to drive the positive and negative reciprocating rotary of cloth pushing shaft.
By above-mentioned technical proposal, the upper upper axle of driving source driving is rotated in a circumferential direction, and the rotary power of upper axle passes through feeding
Driving structure is transferred on cloth pushing shaft, so that positive and negative reciprocating rotary occurs for cloth pushing shaft；Upper axle carries out split setting with cloth pushing shaft, has
Other mechanism kinematics are supplied in beneficial to the rotary driving force for preferably distributing upper axle.
It is preferred that, the feeding driving structure includes feeding connecting rod, is rotatably connected in the swing of falling feeding of sewing platform side wall
Seat, the feeding drive handle for being installed on cloth pushing shaft, the upper axle are provided with work feed eccentric wheel, and described feeding connecting rod one end is connected to work feed
Eccentric wheel, the other end is articulated with the swing seat of falling feeding, and the swing seat of falling feeding is articulated with feeding and drives handle.
By above-mentioned technical proposal, upper axle constantly rotates in a circumferential direction, and upper axle drives work feed eccentric wheel to rotate in a circumferential direction,
The swing seat of falling feeding is driven to carry out reciprocally swinging by feeding connecting rod, the swing seat of falling feeding can also drive feeding to drive handle and carry out back and forth
Swing, handle is driven in feeding can also drive cloth pushing shaft to carry out reciprocal positive and negative rotation；Above-mentioned transmission mechanism is simple in construction, transmission stability
It is high.
It is preferred that, the lift tooth that the work feed actuator also includes being connected to feed lifting rock shaft drives handle, lift tooth connecting rod, the upper axle peace
Equipped with lift tooth eccentric wheel, described lift tooth connecting rod one end is fixedly connected on lift tooth eccentric wheel, and the other end is articulated with lift tooth and drives handle.
By above-mentioned technical proposal, while upper axle rotation, it can also drive lift tooth eccentric wheel to rotate, lift tooth eccentric wheel
Lift tooth connecting rod is driven to be moved, lift tooth connecting rod can also drive lift tooth to drive motion of handle.
It is preferred that, the thread cutting mechanism includes being located at the trimming chamber sewed in platform, lower axle, moving knife component, stationary knife component, drive
Dynamic component, the lower axle end extends to trimming intracavitary, and the moving knife component is located at trimming intracavitary, and the moving knife component includes set
Axle sleeve located at lower axle, the cutting blade for being connected to side wall of shaft sleeve, the stationary knife component are installed on trimming chamber cavity wall, the driving group
Part rotates in a circumferential direction for propeller shaft sleeve and makes cutting blade be meshed with stationary knife component to cut off corresponding sewing thread.
It is normal in use, sewing thread is through moving knife component and stationary knife component and through stitching by above-mentioned technical proposal
Swage end, is constantly extracted out outward；When needing cut operation to sewing thread, drive component propeller shaft sleeve carries out circumferential
Rotation, axle sleeve can be rotated in a circumferential direction around the axle center of lower axle, and being connected to the cutting blade of side wall of shaft sleeve can mutually nibble with stationary knife component
Close to cut off correspondence sewing thread, realize automatic shearing function, overcome the drawbacks of needing manual trimming in traditional sewing process, carry
The sewing efficiency of entirety is risen.
It is preferred that, the stationary knife component includes ledger-plate, separated time piece, and the two ends of the ledger-plate are respectively to be connected to trimming
The connection end of chamber cavity wall and the stationary knife blade end for being meshed with cutting blade blade, are stayed between the separated time piece and ledger-plate
There is trimming gap, the trimming gap enters for cutting blade.
By above-mentioned technical proposal, first, separated time piece can guide sewing thread to enter between ledger-plate and cutting blade, and then
Lift the trimming degree of accuracy between cutting blade and ledger-plate；Secondly, cutting blade can be entered directly into trimming gap, sewing thread according to
It is secondary to be squeezed between ledger-plate, cutting blade, separated time piece three, the bending hop count of sewing thread is added, is conducive to lifting sewing thread
Cutting probability.
In summary, having the beneficial effect that in contrast to prior art of the invention：
（1）Set by three synchronous feeding mechanisms, overcome pinprick in the synchronous compound feeding seamer course of work of traditional two
The drawbacks of pin pulls out elongated slot is easily sewed, the stitching stitched out is beautiful, and sewing quality is significantly lifted, compact overall structure, fortune
Dynamic stability is high；
（2）Being connected to the cutting blade of side wall of shaft sleeve can be meshed to cut off corresponding sewing thread with stationary knife component, realize automatic shearing
Function, overcomes the drawbacks of needing manual trimming in traditional sewing process, improves overall sewing efficiency, action sensitivity
It is high；
（3）The internal structure of feeder of sewing machine is improved, and the mechanism that can significantly reduce positioned at presser feet bottom is taken up space,
To lift the mobile convenience for being positioned over presser feet bottom sewing cloth, and structural reliability is high, the feeding degree of accuracy is high, part is resistance to
With, noise is low, use cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment, and the overall structure of embodiment is shown for emphasis；
Fig. 2 is feed mechanism, hoisting mechanism, the structural representation of thrust mechanism, for emphasis displaying feed mechanism, elevator
Structure, the connection of thrust mechanism three and position relationship；
Fig. 3 is the structural representation of feed mechanism, and position and annexation between main support and pendulum depression bar are shown for emphasis；
Fig. 4 is the structural representation of pusher, and the overall structure of pusher is shown for emphasis；
Fig. 5 is the present invention looks up structural representation of pushing structure, and the inside annexation of pushing structure is shown for emphasis；
Fig. 6 is the structural representation of work feed actuator, and the Integral connection structure of work feed actuator is shown for emphasis；
Fig. 7 is the structural representation of thread cutting mechanism, and the internal structure of trimming structure is shown for emphasis；
Fig. 8 is Fig. 7 A portions enlarged drawing；
Fig. 9 is the first state structural representation of drive component, for emphasis displaying cutting blade with being driven under ledger-plate released state
The overall structure of dynamic component；
Figure 10 is the second status architecture schematic diagram of drive component, for emphasis displaying cutting blade with being driven under ledger-plate engagement
The overall structure of dynamic component；
Figure 11 is the overlooking the structure diagram of sewing machine.
Reference：100th, casing；101st, assembly wall；102nd, sewing platform；1021st, body frame portion；1022nd, small head；
200th, feed mechanism；201st, sewing needle；2011st, shank；2012nd, eedle；202nd, pin portion is driven；203rd, presser feet is put；204th, put
Depression bar；2041st, fulcrum；2042nd, point is driven；205th, fixed support；206th, connecting bracket；207th, main support；208th, grip slipper；
300th, pusher；301st, pusher drive division；3011st, cloth pushing shaft；3012nd, feed lifting rock shaft；3013rd, retainer drives handle；3014th, it is main
Retainer；3015th, feed lifting fork；3016th, work feed actuator；30161st, upper axle；30162nd, upper driving source；30163rd, feeding driving knot
Structure；301631st, feeding connecting rod；301632nd, the swing seat of falling feeding；301633rd, handle is driven in feeding；301634th, work feed eccentric wheel；
301635th, lift tooth drives handle；301636th, tooth connecting rod is lifted；301637th, tooth eccentric wheel is lifted；3017th, sliding block；302nd, feed dog；
400th, hoisting mechanism；401st, lift shaft；402nd, link assembly is lifted；
500th, thrust mechanism；501st, swinging axle；502nd, Qian Qubing；503rd, upper connecting rod；504th, swing rod；
600th, thread cutting mechanism；601st, trimming chamber；602nd, lower axle；603rd, moving knife component；6031st, axle sleeve；6032nd, cutting blade；604、
Stationary knife component；6041st, ledger-plate；60411st, connection end；60412nd, stationary knife blade end；6042nd, separated time piece；6043rd, screw；
605th, drive component；6051st, motor；6052nd, linkage；60521st, first connecting rod；60522nd, second connecting rod；60523、
Third connecting rod；6053rd, shear spool；6054th, trimming triggering connector；60541st, the left drive handle of trimming cam；60542nd, trimming cam
Right drive handle；6055th, trimming triggering actuator；60551st, trimming electromagnet；6056th, the first return unit；60561st, first resets bullet
Spring；6057th, the second return unit；60571st, second back-moving spring；6058th, spacer pin；6059th, trimming main cam；60591st, position
Groove；6060th, positioning pin column；
700th, main presser feet；800th, retainer is extended；900th, trimming gap；1000th, balance portion；1001st, square aperture groove；1002nd, pacify
Fill platform；1003rd, mounting groove；
1003rd, lubrication portion；10031st, oil pipe；10032nd, external fueller.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
A kind of new microcephaly's sewing machine, referring to Fig. 1, including casing 100, casing 100 is provided with the installation being vertically arranged
Wall 101, sewing platform 102, assembly wall 101 be located at sewing platform 102 top, be respectively equipped with assembly wall 101 main presser feet 700,
Feed mechanism 200, thrust mechanism 500, hoisting mechanism 400.
Wherein, referring to Fig. 1 and Fig. 2, main presser feet 700 is used for the upper table surface that cloth to be sewed is pressed in sewing platform 102,
Feed mechanism 200 includes sewing needle 201, drives pin portion 202, pendulum presser feet 203, the pendulum depression bar 204 being connected with pendulum presser feet 203 end,
Sewing needle 201 is installed on the syringe needle of pendulum depression bar 204 and sewing needle 201 straight down through pendulum presser feet 203, and driving pin portion 202 is used for
Driving sewing needle 201 is pumped, and fulcrum 2041 and driving point 2042, thrust are respectively equipped with pendulum depression bar 204
Mechanism 500 forces in driving point 2042, and pendulum depression bar 204 is carried out left and right reciprocally swinging around fulcrum 2041 with sewing needle 201, drives
Dynamic point 2042 be located at fulcrum 2041 and pendulum presser feet 203 between, thrust mechanism 500 be mountable to fulcrum 2041 with pendulum presser feet 203 it
Between, integral structure layout is compact, and hoisting mechanism 400 forces in pendulum depression bar 204, and drives feed mechanism 200 overall up and down reciprocatingly
Motion, pusher 300, thread cutting mechanism 600 are provided with sewing platform 102, pusher 300 include pusher drive division 301,
The feed dog 302 relative with pendulum presser feet 203, pusher drive division 301 is used to drive the reciprocally swinging of feed dog 302 or so, thread trimmer
Structure 600 is used to cut the sewing thread through sewing needle 201；Cloth to be sewed is pressed in the upper of sewing platform 102 by main presser feet 700
Table top, hoisting mechanism 400 is with the collective effect of thrust mechanism 500 in pendulum depression bar 204, and sewing needle 201 can also be carried out with pendulum depression bar 204
Synchronous hunting, pendulum presser feet 203 constantly can back and forth fit and reciprocal swing with feed dog 302, reach feeding effect, same with this
When, driving pin portion 202 also can drive sewing needle 201 to pump to reach sewing efficiency.
For feed mechanism 200：Referring to Fig. 1 and Fig. 2, feed mechanism 200 also includes fixed support 205, connection branch
Frame 206, one end of fixed support 205 is fixedly connected on assembly wall 101, and the other end is articulated with the end of connecting bracket 206, connection branch
Frame 206 is articulated with pendulum depression bar 204 away from the end of fixed support 205, and fulcrum 2041 is located at connecting bracket 206 and fixed support
At 205 pin joint.
Referring to Fig. 2 and Fig. 3, main support 207, main support are connected with close to the side of assembly wall 101 in pendulum depression bar 204
207 length direction is consistent with putting the length direction of depression bar 204, and sewing needle 201 includes shank 2011 and is connected to pin
The eedle 2012 of the end of bar 2011, shank 2011 is connected to grip slipper 208, and eedle 2012 is through pendulum presser feet 203, the main support
Grip slipper 208 is convexly equipped with 207, the quantity of grip slipper 208 can be two or two or more, and all grip slippers 208 are equal
Spread configuration is carried out along the length direction of main support 207, to provide shank more than 2011 bite, and then sewing needle is lifted
201 activity stability.
For thrust mechanism 500：Referring to shown in Fig. 1 and Fig. 2, thrust mechanism 500 includes swinging axle 501, Qian Qubing
502nd, upper connecting rod 503, swing rod 504 are constituted, and the middle part of swing rod 504 is articulated with assembly wall 101, and the one end of forerunner's handle 502 is installed on swing
Axle 501, the other end is articulated with upper connecting rod 503, and upper connecting rod 503 is articulated with the end of swing rod 504 away from the end of forerunner's handle 502,
Swing rod 504 away from upper connecting rod 503 end be articulated with driving point 2042, the power of swinging axle 501 pass sequentially through forerunner's handle 502, on
Connecting rod 503, swing rod 504 are transferred to driving point 2042, drive pendulum depression bar 204 to be swung with final.
For hoisting mechanism 400：Referring to Fig. 2, hoisting mechanism 400 includes lift shaft 401 and lifting link assembly
402, the power of lift shaft 401 is transferred to pendulum depression bar 204 to realize the liter up and down of pendulum presser feet 203 by lifting link assembly 402
Drop is acted.
For pusher drive division 301：Referring to Fig. 4 and Fig. 5, pusher drive division 301 includes cloth pushing shaft 3011, feed lifting rock shaft
3012nd, retainer drives handle 3013, cardinal teeth frame 3014, feed lifting fork 3015, the work feed for driving the positive and negative reciprocating rotary of cloth pushing shaft 3011
Actuator 3016, cloth pushing shaft 3011, feed lifting rock shaft 3012 are rotatably connected in sewing platform 102 and be arranged in parallel each other respectively, tooth
Frame drives the one end of handle 3013 and is installed on cloth pushing shaft 3011, and feed lifting fork 3015 is connected to feed lifting rock shaft 3012, and the one end of cardinal teeth frame 3014 is hinged
Handle 3013 is driven in retainer and deviates from the end of cloth pushing shaft 3011, and sliding block 3017, the sliding connection of sliding block 3017 are hinged with the other end
In in feed lifting fork 3015, feed dog 302 is installed on cardinal teeth frame 3014.
Referring to Fig. 4, driven in retainer and be also wholely set balance portion 1000 on handle 3013, balance portion 1000 is relative to cloth pushing shaft
3011 axle center away from the direction of cardinal teeth frame 3014 along being extended, and balance portion 1000 can lift retainer and drive in the rotary course of handle 3013
Balance.
Referring to Fig. 4, feed lifting fork 3015 is provided with square aperture groove 1001, and sliding block 3017 is square block, and sliding block 3017 is located at
Square aperture groove 1001 is interior and can enter line slip along square aperture groove 1001, to lift the sliding stability of sliding block 3017.
Referring to Fig. 5, sewing platform 102 includes body frame portion 1021 and the small head 1022 positioned at the lower section of pendulum presser feet 203, cardinal teeth
Frame 3014 is provided with the extension retainer 800 extended in small head 1022, and feed dog 302 is connected to extension retainer 800 away from master
The end of retainer 3014.
For work feed actuator 3016：Referring to Fig. 6, work feed actuator 3016 includes axle in upper axle 30161, driving
The 30161 upper driving sources 30162 rotated in a circumferential direction, feeding driving structure 30163, the lift tooth drive handle for being connected to feed lifting rock shaft 3012
301635th, lift tooth connecting rod 301636, feeding driving structure 30163 is connected between axle 30161 and cloth pushing shaft 3011 to drive
The positive and negative reciprocating rotary of cloth pushing shaft 3011, wherein feeding driving structure 30163 include feeding connecting rod 301631, are rotatably connected in sewing
The swing seat of falling feeding 301632 of the side wall of platform 102, the feeding drive handle 301633 for being installed on cloth pushing shaft 3011, upper axle 30161 are installed
There is work feed eccentric wheel 301634, the one end of feeding connecting rod 301631 is connected to work feed eccentric wheel 301634, and the other end, which is articulated with, to be sent
Expect swing seat 301632, the swing seat of falling feeding 301632 is articulated with feeding and drives handle 301633, and it is eccentric that upper axle 30161 is provided with lift tooth
Wheel 301637, one end of lift tooth connecting rod 301636 is fixedly connected on lift tooth eccentric wheel 301637, and the other end is articulated with lift tooth and drives handle
301635。
For thread cutting mechanism 600：Referring to Fig. 7, trimming chamber 601 that thread cutting mechanism 600 includes being located in sewing platform 102,
Lower axle 602, moving knife component 603, stationary knife component 604, drive component 605, the end of lower axle 602 are extended in trimming chamber 601, moving knife
Component 603 is located in trimming chamber 601, and moving knife component 603 includes being sheathed on the axle sleeve 6031 of lower axle 602, is connected to axle sleeve 6031
The cutting blade 6032 of side wall, stationary knife component 604 is installed on the cavity wall of trimming chamber 601, and drive component 605 is used for propeller shaft sleeve 6031 weeks
To rotating and cutting blade 6032 is meshed with stationary knife component 604 to cut off corresponding sewing thread.
Wherein, referring to Fig. 7 and Figure 11, drive component 605 includes the trimming main cam 6059 for being installed on lower axle 602, under
Axle 602 is driven by motor 6051 to be rotated, and drive component 605 includes linkage 6052, is rotatably connected in the shear spool of casing 100
6053rd, trimming triggering connector 6054, trimming triggering actuator 6055, the first return unit 6056, the second return unit 6057.
Linkage 6052 is connected between shear spool 6053, axle sleeve 6031, and for transmitting shear spool 6053 and axle sleeve
Power between 6031.
Trimming triggering actuator 6055 is used to promote trimming triggering connector 6054 to be engaged with trimming main cam 6059, and
The rotary power of lower axle 602 is triggered connector 6054 by trimming and be transferred to shear spool 6053.
First return unit 6056 is used to release the cooperation between trimming triggering connector 6054 and trimming main cam 6059；
Second return unit 6057 rotates for propeller shaft sleeve 6031 and cutting blade 6032 is separated with stationary knife component 604.
Referring to Fig. 9 and Figure 10, linkage 6052 includes first connecting rod 60521, second connecting rod 60522, third connecting rod
60523, first connecting rod 60521, second connecting rod 60522, third connecting rod 60523 are hinged and connected successively, and first connecting rod 60521 deviates from
The end of second connecting rod 60522 is fixed in axle sleeve 6031, and third connecting rod 60523 is fixed in away from the end of second connecting rod 60522
Shear spool 6053.
Referring to Fig. 7 and Fig. 8, the second return unit 6057 includes second back-moving spring 60571, second back-moving spring 60571
One end is connected to casing 100, and the other end is connected to third connecting rod 60523, and the cavity wall of trimming chamber 601 is provided with spacer pin 6058, the
Two back-moving springs 60571 are to pull third connecting rod 60523 and third connecting rod 60523 is offseted with spacer pin 6058.
Trimming main cam 6059 is provided with detent 60591, and trimming triggering connector 6054 includes being fixedly connected on cutting
The trimming cam of bobbin 6053 is left to drive the right drive handle 60542 of handle 60541, trimming cam, and the right handle 60542 that drives of trimming cam is slidably socketed
In shear spool 6053, the right handle 60542 that drives of trimming cam is provided with the positioning pin column 6060 that can be inserted into detent 60591, trimming
The left handle 60541 that drives of cam is used to the right power that rotates in a circumferential direction of handle 60542 of driving of trimming cam being transferred to shear spool 6053.
First return unit 6056 includes being sheathed on the (the first back-moving spring 60561 of shear spool 6053, (the first back-moving spring
60561 are used to promote the right handle 60542 that drives of trimming cam to move along the length direction of shear spool 6053 and make positioning pin column 6060
It is separated with detent 60591.
Trimming triggering actuator 6055 includes trimming electromagnet 60551, and trimming electromagnet 60551 is used to promote trimming cam
Right drive handle 60542 overcomes the elastic force of (the first back-moving spring 60561, and positioning pin column 6060 is engaged with detent 60591.
Lubrication portion 1003 is also provided with axle sleeve 6031, lubrication portion 1003 includes oil pipe 10031, the one end of oil pipe 10031
It is connected with external fueller 10032, and the other end is communicated between axle sleeve 6031 and the axial wall of lower axle 602, external fueller
10032 are injected into fluid between axle sleeve 6031 and lower axle 602, to reduce the friction between axle sleeve 6031 and the axial wall of lower axle 602
Power.
Referring to Fig. 9 and Figure 10, stationary knife component 604 includes ledger-plate 6041, separated time piece 6042, screw 6043, ledger-plate
6041 two ends are respectively connection end 60411 and the stationary knife blade end 60412 for being meshed with the blade of cutting blade 6032, are divided
Trimming gap 900 is left between line piece 6042 and ledger-plate 6041, trimming gap 900 enters for cutting blade 6032, trimming chamber 601
Cavity wall be provided with erecting bed 1002 and mounting groove 1003, ledger-plate 6041 through mounting groove 1003 and pass through screw 6043 will
Connection end 60411 is installed on erecting bed 1002.
Actual sewing step：
（1）Binder step：Cloth to be sewed is placed in the upper table surface of sewing platform 102, at the same time, main presser feet 700 will be waited to stitch
The cloth threaded is pressed on the upper table surface of sewing platform 102；
（2）Feeding step：On the one hand, lift shaft 401 by lifted link assembly 402 by power be transferred to pendulum depression bar 204, drive
Whole feed mechanism 200 carries out oscilaltion, and at the same time, the power of swinging axle 501 is transferred to forerunner's handle 502, upper company successively
Bar 503, swing rod 504, and then drive whole feed mechanism 200 to carry out swing around fulcrum 2041；
On the other hand, cloth pushing shaft 3011 drives retainer to drive handle 3013 and swung, and feed lifting rock shaft 3012 drives feed lifting fork 3015 to carry out
Correspondence is swung, and then drives cardinal teeth frame 3014 to carry out swing, pendulum presser feet 203 and the feed dog 302 of final feed mechanism 200
Both sides above and below cloth to be sewed mutually are butted on, to reach feeding purpose, driving pin portion 202 also can constantly drive sewing needle 201 to enter
Row moves up and down, to reach the effect of sewing；
（3）Trimming step：After sewing is completed, the power of shear spool 6053 can pass sequentially through third connecting rod 60523, second connecting rod
60522nd, first connecting rod 60521, drive axle sleeve 6031 to be rotated in a circumferential direction, cutting blade 6032 can be entered in trimming gap 900,
Cutting blade 6032 is meshed with ledger-plate 6041, and sewing thread just can be cut.
Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. a kind of new microcephaly's sewing machine, including casing (100), the casing (100) is provided with assembly wall (101) and sewing
Platform (102), it is characterized in that：It is respectively provided with the assembly wall (101) and compresses the main presser feet (700) of cloth to be sewed, send
Expect mechanism (200), thrust mechanism (500), hoisting mechanism (400)；
The feed mechanism (200) includes sewing needle (201), drives pin portion (202), put presser feet (203), held with pendulum presser feet (203)
The connected pendulum depression bar (204) in portion, the sewing needle (201) is installed on pendulum depression bar (204) and the syringe needle of sewing needle (201) passes through pendulum
Presser feet (203), described drive pin portion (202) are used to drive sewing needle (201) to be pumped, the pendulum depression bar (204)
On be respectively equipped with fulcrum (2041) and driving point (2042)；
Pusher (300), thread cutting mechanism (600) are installed in the sewing platform (102), the pusher (300) includes
Pusher drive division (301), the feed dog (302) relative with pendulum presser feet (203), the pusher drive division (301) are sent for driving
Dog (302) left and right reciprocally swinging；
The thrust mechanism (500) forces in driving point (2042), and makes pendulum depression bar (204) with sewing needle (201) around fulcrum
(2041) left and right reciprocally swinging is carried out；
The hoisting mechanism (400) forces in pendulum depression bar (204), and drives feed mechanism (200) integrally to pump；
The thread cutting mechanism (600) is used to cut the sewing thread through sewing needle (201).
2. a kind of new microcephaly's sewing machine according to claim 1, it is characterized in that：The feed mechanism (200) also includes
Fixed support (205), connecting bracket (206), described fixed support (205) one end are fixedly connected on assembly wall (101), and another
End is articulated with connecting bracket (206) end, and the connecting bracket (206) is articulated with pendulum pressure away from the end of fixed support (205)
Bar (204), the fulcrum (2041) is located at the pin joint of connecting bracket (206) and fixed support (205).
3. a kind of new microcephaly's sewing machine according to claim 1, it is characterized in that：The connection of described pendulum depression bar (204) side
Have and grip slipper (208) is convexly equipped with main support (207), the main support (207), the sewing needle (201) includes shank
(2011) and the eedle (2012) of shank (2011) end is connected to, the shank (2011) is connected to grip slipper (208), institute
Eedle (2012) is stated through pendulum presser feet (203).
4. a kind of new microcephaly's sewing machine according to claim 1, it is characterized in that：The pusher drive division (301) includes
Cloth pushing shaft (3011), feed lifting rock shaft (3012), retainer drive handle (3013), cardinal teeth frame (3014), feed lifting fork (3015), for drive give
The work feed actuator (3016) of cloth beam (3011) positive and negative reciprocating rotary, the cloth pushing shaft (3011), feed lifting rock shaft (3012) revolve respectively
Turn to be connected to sewing platform (102) and be arranged in parallel each other, the retainer drives handle (3013) one end and is installed on cloth pushing shaft
(3011), the feed lifting fork (3015) is connected to feed lifting rock shaft (3012), and described cardinal teeth frame (3014) one end is articulated with retainer and drives handle
(3013) deviate from the end of cloth pushing shaft (3011), and sliding block (3017) is hinged with the other end, sliding block (3017) sliding connects
It is connected in feed lifting fork (3015), the feed dog (302) is installed on cardinal teeth frame (3014).
5. a kind of new microcephaly's sewing machine according to claim 4, it is characterized in that：The sewing platform (102) includes body frame
Portion (1021) and the small head (1022) below pendulum presser feet (203), the cardinal teeth frame (3014) are small provided with extending to
Extension retainer (800) in head (1022), the feed dog (302) is connected to extension retainer (800) and deviates from cardinal teeth frame
(3014) end.
6. a kind of new microcephaly's sewing machine according to claim 4, it is characterized in that：The work feed actuator (3016) includes
Axle (30161) rotates in a circumferential direction on upper axle (30161), driving upper driving source (30162), feeding driving structure (30163), it is described
Feeding driving structure (30163) is connected between axle (30161) and cloth pushing shaft (3011) to drive cloth pushing shaft (3011) positive and negative
Reciprocating rotary.
7. a kind of new microcephaly's sewing machine according to claim 6, it is characterized in that：The feeding driving structure (30163)
Including feeding connecting rod (301631), be rotatably connected in sewing platform (102) side wall the swing seat of falling feeding (301632), be installed on and give
Handle (301633) is driven in the feeding of cloth beam (3011), and the upper axle (30161) is provided with work feed eccentric wheel (301634), the feeding
Connecting rod (301631) one end is connected to work feed eccentric wheel (301634), and the other end is articulated with the swing seat of falling feeding (301632), institute
State the swing seat of falling feeding (301632) and be articulated with feeding drive handle (301633).
8. a kind of new microcephaly's sewing machine according to claim 6 or 7, it is characterized in that：The work feed actuator (3016)
The lift tooth for also including being connected to feed lifting rock shaft (3012) drives handle (301635), lift tooth connecting rod (301636), upper axle (30161) peace
Equipped with lift tooth eccentric wheel (301637), described lift tooth connecting rod (301636) one end is fixedly connected on lift tooth eccentric wheel (301637),
And the other end is articulated with lift tooth and drives handle (301635).
9. a kind of new microcephaly's sewing machine according to claim 1, it is characterized in that：The thread cutting mechanism (600) includes position
In the trimming chamber (601) in sewing platform (102), lower axle (602), moving knife component (603), stationary knife component (604), drive component
(605), lower axle (602) end is extended in trimming chamber (601), and the moving knife component (603) is located at trimming chamber (601)
Interior, the moving knife component (603) includes being sheathed on the axle sleeve (6031) of lower axle (602), is connected to the dynamic of axle sleeve (6031) side wall
Blade (6032), the stationary knife component (604) is installed on trimming chamber (601) cavity wall, and the drive component (605) is used for drive shaft
Set (6031) rotates in a circumferential direction and makes cutting blade (6032) be meshed to cut off corresponding sewing thread with stationary knife component (604).
10. a kind of new microcephaly's sewing machine according to claim 9, it is characterized in that：The stationary knife component (604) includes fixed
Blade (6041), separated time piece (6042), the two ends of the ledger-plate (6041) are respectively the company for being connected to trimming chamber (601) cavity wall
Connect end (60411) and the stationary knife blade end (60412) for being meshed with cutting blade (6032) blade, the separated time piece
(6042) trimming gap (900) is left between ledger-plate (6041), the trimming gap (900) is entered for cutting blade (6032)
Enter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338603A (en) * | 2018-10-24 | 2019-02-15 | 杰克缝纫机股份有限公司 | Sewing machine backstitches mechanism and sewing machine |
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|---|---|
| CN107227560B (en) | 2019-11-01 |
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