CN109594208A - A kind of needle gage of sewing machine adjusts and falls automatically feeding structure - Google Patents

A kind of needle gage of sewing machine adjusts and falls automatically feeding structure Download PDF

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Publication number
CN109594208A
CN109594208A CN201910030556.8A CN201910030556A CN109594208A CN 109594208 A CN109594208 A CN 109594208A CN 201910030556 A CN201910030556 A CN 201910030556A CN 109594208 A CN109594208 A CN 109594208A
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CN
China
Prior art keywords
feeding
needle gage
sewing machine
adjusts
connecting rod
Prior art date
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.)
Pending
Application number
CN201910030556.8A
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Chinese (zh)
Inventor
何明金
张友友
郑吉�
郏彬辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jieyu Shoemaking Machinery Technology Co Ltd
Original Assignee
Anhui Jieyu Shoemaking Machinery Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jieyu Shoemaking Machinery Technology Co Ltd filed Critical Anhui Jieyu Shoemaking Machinery Technology Co Ltd
Priority to CN201910030556.8A priority Critical patent/CN109594208A/en
Publication of CN109594208A publication Critical patent/CN109594208A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B27/00Work-feeding means
    • D05B27/22Work-feeding means with means for setting length of stitch
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B27/00Work-feeding means
    • D05B27/24Feed-dog lifting and lowering devices
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B69/00Driving-gear; Control devices
    • D05B69/14Devices for changing speed or for reversing direction of rotation
    • D05B69/16Devices for changing speed or for reversing direction of rotation mechanical
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B69/00Driving-gear; Control devices
    • D05B69/30Details

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The present invention provides a kind of adjustings of the needle gage of sewing machine and automatic feeding structure, belong to clothes manufacturing equipment technical field.The technical problems such as the needle gage that it solves existing sewing machine is adjusted and automatic feeding structure is prone to wear.It includes feeding connecting rod, lifts tooth connecting rod, the work feed eccentric wheel and tooth lifting cam being installed on axis, work feed eccentric disc is arranged on upper axis, adjusting eccentric wheel is arranged with outside work feed eccentric disc, it adjusts eccentric wheel and work feed eccentric wheel passes through the circumferentially fixed connection of small eccentricity wheel, the upper end of feeding connecting rod, which is set in, to be adjusted on eccentric wheel, and the needle gage that being additionally provided on work feed eccentric disc can move up and down adjusts claw;The upper end of lift tooth connecting rod is set on one end outer peripheral surface of tooth lifting cam, is had on the other end outer peripheral surface of tooth lifting cam and is adjusted the teeth that claw is meshed with needle gage, the casing of sewing machine, which is equipped with, can push the needle gage regulation button moved down.Structure in the present invention eliminates feed regulator and adjusts the gouging abrasion of stud.

Description

A kind of needle gage of sewing machine adjusts and falls automatically feeding structure
Technical field
The invention belongs to clothes manufacturing equipment technical fields, are related to a kind of sewing machine, especially a kind of needle gage of sewing machine It adjusts and automatic feeding structure.
Background technique
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread The machine that material interweaves or unites by a seam.Fabrics and leather, plastics, the paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre Equal products, the stitching neat appearance stitched out, it is smooth securely, sewing velocity is fast, uses simplicity.Sewing machine is generally all filled by feeding It sets, base, transmission and four part of attachment composition, is reasonably cooperated by the movement of each mechanism, cycle operation sutures sewing Come.Sewing machine uses needle gage to adjust and fall automatically feeding sometimes in sewing process;Such as the flat seam machine in sewing machine exists In the starting and ending stage of suture, reinforce sewing using backstitching when sewing.Needle gage adjustment structure in the prior art and automatic Feeding structure will appear more serious parts depreciation and needle gage distortion situation after prolonged use, and send automatically Biggish noise can be generated when material switching, brings puzzlement to sewing operation work.
Chinese patent (notification number: CN108611769A, publication date: 2018-10-02) discloses a kind of sewing machine, including Needle gage adjusts stud, regulator shaft and the needle gage adjuster being fixed on regulator shaft, the upper end for the connecting rod of falling feeding and is connected to needle Away from adjuster, the lower end for the connecting rod of falling feeding is connected in swing seat, and swing seat is swung by two positioning pins to be arranged on bottom plate, It is provided with sliding slot in the middle part of the connecting rod of falling feeding, backstitches one end of spanner crank and sliding slot is slidably connected, the other end is pulled with backstitching Hand axis connection backstitches wrench shaft and is connect by backstitching electromagnet crank with electromagnet is backstitched, and backstitched by backstitching solenoid actuated Wrench shaft rotation, the middle part for the connecting rod of falling feeding or the middle part for backstitching spanner crank are connect by reset tension spring with bottom plate.
Change the angle of swing seat in above patent document in feeding distance in the front-back direction by adjusting stud, thus Realize the change of needle gage;It drives swing seat to be rocked to certain angle realization by the group of falling feeding rod automatically to backstitch, due to backstitching needle Away from limit be realized by the work cambered surface of feed regulator and the head impact of stud, so for a long time use will cause tune Noise will necessarily be brought when saving stud and feed regulator contact site sharp wear, and just backstitching switching.
Summary of the invention
The present invention addresses the above problems in the prior art, and the needle gage for providing a kind of sewing machine is adjusted and sent automatically Expect structure, the technical problems to be solved by the present invention are: how to eliminate when just backstitching switching feed regulator and adjust stud it Between gouging abrasion to promote the service life of components, reduce the noise of the automatic when of falling feeding.
Object of the invention can be realized by the following technical scheme:
A kind of needle gage of sewing machine adjusts and falls automatically feeding structure, and sewing machine includes upper axis, feed lifting rock shaft and feed spool, Be characterized in that, the needle gage adjust and automatic feeding structure include the work feed component being installed on the upper axis and with it is described The feeding connecting rod and lift tooth connecting rod that the both ends of work feed component are separately connected;The work feed component includes the work feed being installed on axis Eccentric wheel and tooth lifting cam are arranged with work feed eccentric disc on the upper axis, are arranged with adjusting eccentric wheel outside the work feed eccentric disc, By the circumferentially fixed connection of small eccentricity wheel, the upper end of the feeding connecting rod is arranged for the adjusting eccentric wheel and the work feed eccentric wheel On the adjusting eccentric wheel, the needle gage that being additionally provided on the work feed eccentric disc can move up and down adjusts claw;The lift tooth The upper end of connecting rod is set on one end outer peripheral surface of the tooth lifting cam, on the other end outer peripheral surface of the tooth lifting cam have with The needle gage adjusts the teeth that claw is meshed, and the casing of the sewing machine, which is equipped with, can push the needle gage moved down Regulation button;It is fixed with lift on the feed lifting rock shaft to buckle handle, the lower end of the lift tooth connecting rod and the handle of buckling of lifting are hinged, institute It states feed spool and is installed with feeding crank, the lower end of the feeding connecting rod is connected by swing seat with the feeding crank;It is described Needle gage is adjusted and automatic feeding structure further includes the actuator that the swing seat can be driven to swing.
The principle is as follows: when need metering needle away from when, needle gage regulation button is pressed manually, drive needle gage adjust claw with Teeth separation on tooth lifting cam, is rotated further by axis to changing practical eccentricity, achieve the purpose that metering needle away from.This technology side The angle swinging range of swing seat is fixed value in case, i.e., is fixed angle when just stitching and backstitch, not by the shadow of needle gage size It rings.And the angle limit of the positive gap-like state of swing seat is controlled by the movement of actuator and is realized.Structure needle gage tune in the present invention Section part and automatic feed section are unaffected, are just backstitching the collision for eliminating feed regulator when switching and adjusting stud, Do not need to carry out the position of swing seat differing needles away from limitation, thoroughly solve the problems, such as the rigid collision in existing structure, can Substantially reduce the noise and vibration of structure;Improve the service life of components.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, is offered on the work feed eccentric disc vertical Run through slot, the needle gage adjusts claw in rectangular box and is set on the upper axis, and the needle gage adjusts the two sides of claw Run through slot across described, the lower end that the needle gage adjusts claw has outwardly projecting extension, has on the upside of the extension The cat's paw matched with the teeth on the tooth lifting cam.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, the eccentric position tool for adjusting eccentric wheel There is mounting hole, one end of the small eccentricity wheel plugs in the mounting hole, and the other end of the small eccentricity wheel has axial hole, There is protrusion, the protrusion is plugged in the axial hole of the small eccentricity wheel on the work feed eccentric wheel.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, and sewing is hinged in the middle part of the swing seat On the casing of machine, one end of the swing seat is connected with the lever pin of falling feeding by the connecting plate of falling feeding;The swing seat it is another End is connected by short oscillating deck and long oscillating deck with the feeding crank;The middle part of the swing seat, which has, to be extended downwardly Extension arm is connected with the connection component of falling feeding, the output shaft of the actuator and the connection of the falling feeding group in the swing seat One end of part is connected, and the other end of the connection component of falling feeding and the outer end of the extension arm are hinged.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, and the actuator is electromagnet;It is described fall Feeding connection component include the pull rod of falling feeding, the connecting rod of falling feeding and the crank of falling feeding, the crank of falling feeding be in bending and in Portion is hinged on the casing of sewing machine, and one end of the connecting rod of falling feeding and the iron core of electromagnet are hinged, the company of falling feeding The other end of bar and one end of the crank of falling feeding are hinged, the other end of the crank of falling feeding and the pull rod of falling feeding One end be hinged, the other end of the pull rod of falling feeding and the outer end of the extension arm are hinged.Further, electromagnet Core ends are additionally provided with cushion.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, and welding is installed on the casing of sewing machine Block, the welding block are equipped with the return unit that the swing seat can be made to reset.
Needle gage in above-mentioned sewing machine is adjusted and is fallen automatically in feeding structure, and the welding block is bolted with limit screw, The return unit is to reset cushion block, and the return unit is arranged on limit screw.It can be to return unit by limit screw Position is adjusted.
Compared with prior art, mid-cut of the present invention adjusts part and to fall feed section automatically unaffected, does not need pair The position of swing seat carry out differing needles away from limitation, eliminate the rigid collision problem in existing structure, and then be converted into electromagnetism The flexible impact of iron shell and cushion can substantially reduce the noise and vibration of structure;Improve the service life of components.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the adjusting of this needle gage and automatic feeding structure.
Fig. 2 is the configuration schematic diagram that this needle gage adjusted and fell automatically work feed component in feeding structure.
Fig. 3 is the broken section structural schematic diagram that this needle gage adjusted and fell automatically work feed component in feeding structure.
The driving structure schematic diagram of swing seat when Fig. 4 is positive gap-like state.
Fig. 5 is the driving structure schematic diagram of swing seat when backstitching state.
Fig. 6 is the principle analysis schematic diagram of work feed component.
In figure, 1, upper axis;2, feed lifting rock shaft;3, feed spool;4, work feed component;41, work feed eccentric wheel;42, tooth lifting cam; 42a, teeth;43, work feed eccentric disc;43a, run through slot;44, eccentric wheel is adjusted;44a, mounting hole;45, small eccentricity wheel;46, needle Away from adjusting claw;46a, extension;46b, cat's paw;5, feeding connecting rod;6, tooth connecting rod is lifted;7, needle gage regulation button;8, lift is buckled Handle;9, feeding crank;10, swing seat;10a, extension arm;12, the connecting plate of falling feeding;13, the lever pin of falling feeding;14, short oscillating deck; 15, long oscillating deck;16, the connection component of falling feeding;16a, the pull rod of falling feeding;16b, the connecting rod of falling feeding;16c, the crank of falling feeding; 17, welding block;18, limit screw;19, return unit;20, actuator.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
As shown in Figures 1 to 5, sewing machine includes upper axis 1, feed lifting rock shaft 2 and feed spool 3, which is characterized in that needle gage adjust and It is automatic fall the feeding structure feeding that includes the work feed component 4 being installed on axis 1 and be separately connected with the both ends of work feed component 4 Connecting rod 5 and lift tooth connecting rod 6;Work feed component 4 includes the work feed eccentric wheel 41 and tooth lifting cam 42 that are installed on axis 1, on upper axis 1 It is arranged with work feed eccentric disc 43, is arranged with outside work feed eccentric disc 43 and adjusts eccentric wheel 44, adjusts eccentric wheel 44 and work feed eccentric wheel 41 by the circumferentially fixed connection of small eccentricity wheel 45, and the upper end of feeding connecting rod 5, which is set in, to be adjusted on eccentric wheel 44, work feed eccentric disc 43 On be additionally provided with the needle gage that can move up and down and adjust claw 46;The upper end of lift tooth connecting rod 6 is set in outside one end of tooth lifting cam 42 On circumferential surface, has on the other end outer peripheral surface of tooth lifting cam 42 and adjust the teeth 42a that claw 46 is meshed with needle gage, sewing machine Casing, which is equipped with, can push the needle gage regulation button 7 moved down;It is fixed with lift on feed lifting rock shaft 2 to buckle handle 8, lifts tooth connecting rod 6 Lower end and lift handle 8 of buckling be hinged, feed spool 3 is installed with feeding crank 9, the lower end of feeding connecting rod 5 by swing seat 10 with Feeding crank 9 is connected;Needle gage is adjusted and automatic feeding structure further includes the actuator 20 that swing seat 10 can be driven to swing.
As shown in connection with fig. 6, OA is the bias being arranged on work feed eccentric wheel 41, and AB is the bias being arranged on small eccentricity wheel 45, BCD is the eccentricity adjusted on eccentric wheel 44, and OC is the eccentricity on work feed eccentric disc 43, and OD is practical eccentricity: working as needs Metering needle away from when, needle gage regulation button 7 is pressed manually, needle gage is driven to adjust the teeth 42a on claw 46 and tooth lifting cam 42 Separation is rotated further by axis 1 to changing practical eccentricity OD, achieve the purpose that metering needle away from.Swing seat 10 in the technical program Angle swinging range be fixed value, i.e., positive seam be fixed angle when backstitching, do not influenced by needle gage size.And swing seat The angle limit of 10 positive gap-like states is controlled by the movement of actuator 20 and is realized.Structure needle gage in the present invention adjust part with Automatically the feed section that falls is unaffected, is just backstitching the collision for eliminating feed regulator when switching and adjusting stud, is not needing pair The position of swing seat 10 carry out differing needles away from limitation, thoroughly solve the problems, such as the rigid collision in existing structure, can drop significantly The noise and vibration of low structure;Improve the service life of components.
Further, as shown in Figures 2 and 3, offer vertical through slot 43a on work feed eccentric disc 43, needle gage is adjusted Claw 46 is in rectangular box and is set on axis 1, and the two sides that needle gage adjusts claw 46, which pass through, runs through slot 43a, and needle gage adjusts card The lower end of pawl 46 has outwardly projecting extension 46a, has and the teeth 42a phase on tooth lifting cam 42 on the upside of extension 46a The cat's paw 46b of cooperation;The eccentric position for adjusting eccentric wheel 44 has mounting hole 44a, and one end of small eccentricity wheel 45 is plugged in installation In the 44a of hole, the other end of small eccentricity wheel 45 has axial hole, has protrusion on work feed eccentric wheel 41, protrusion is plugged in small eccentricity In the axial hole of wheel 45.
As shown in Figure 1, Figure 4 and Figure 5, the middle part of swing seat 10 is hinged on the casing of sewing machine, one end of swing seat 10 The lever pin of falling feeding 13 is connected with by the connecting plate of falling feeding 12;The other end of swing seat 10 passes through short oscillating deck 14 and long swing Plate 15 is connected with feeding crank 9;The middle part of swing seat 10 has the extension arm 10a extended downwardly, is connected in swing seat 10 The output shaft of the connection component of falling feeding 16, actuator 20 is connected with one end of the connection component of falling feeding 16, the connection of falling feeding group The other end of part 16 and the outer end of extension arm 10a are hinged;It is installed with welding block 17 on the casing of sewing machine, is set on welding block 17 There is the return unit 19 that swing seat 10 can be made to reset;Welding block 17 is bolted with limit screw 18, and return unit 19 is to reset cushion Block, return unit 19 are arranged on limit screw 18.19 position of return unit can be adjusted by limit screw 18.
Actuator 20 is electromagnet in the present embodiment;The connection component of falling feeding 16 includes the pull rod of falling feeding 16a, the company of falling feeding The bar 16b and crank of falling feeding 16c, the crank of falling feeding 16c are hinged on the casing of sewing machine in bending and middle part, the company of falling feeding One end of bar 16b and the iron core of electromagnet are hinged, one end phase of the other end and the crank of falling feeding 16c of the connecting rod of falling feeding 16b Hingedly, the other end of the crank of falling feeding 16c and one end of the pull rod of falling feeding 16a are hinged, the other end of the pull rod of falling feeding 16a with The outer end of extension arm 10a is hinged.Further, the core ends of electromagnet are additionally provided with cushion.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, upper axis is used more herein;2, feed lifting rock shaft;3, feed spool;4, work feed component;41, work feed is eccentric Wheel;42, tooth lifting cam;42a, teeth;43, work feed eccentric disc;43a, run through slot;44, eccentric wheel is adjusted;44a, mounting hole;45, Small eccentricity wheel;46, needle gage adjusts claw;46a, extension;46b, cat's paw;5, feeding connecting rod;6, tooth connecting rod is lifted;7, needle gage is adjusted Button;8, handle of buckling is lifted;9, feeding crank;10, swing seat;10a, extension arm;12, the connecting plate of falling feeding;13, fall feeding rod Pin;14, short oscillating deck;15, long oscillating deck;16, the connection component of falling feeding;16a, the pull rod of falling feeding;16b, the connecting rod of falling feeding; 16c, the crank of falling feeding;17, welding block;18, limit screw;19, return unit;20, the terms such as actuator, but use is not precluded A possibility that other terms.The use of these items is only for be more convenient to describe and explain essence of the invention;Them Being construed to any additional limitation is disagreed with spirit of that invention.

Claims (7)

1. a kind of needle gage of sewing machine adjusts and fall automatically feeding structure, sewing machine includes upper axis (1), feed lifting rock shaft (2) and feeding Axis (3), which is characterized in that the needle gage is adjusted and automatic feeding structure includes the work feed group being installed on the upper axis (1) Part (4) and the feeding connecting rod (5) being separately connected with the both ends of the work feed component (4) and lift tooth connecting rod (6);The work feed group Part (4) includes the work feed eccentric wheel (41) and tooth lifting cam (42) being installed on axis (1), is arranged with and send on the upper axis (1) Cloth eccentric disc (43), the work feed eccentric disc (43) is arranged with outside adjusts eccentric wheel (44), the adjusting eccentric wheel (44) and institute Work feed eccentric wheel (41) are stated by small eccentricity wheel (45) circumferentially fixed connection, the upper end of the feeding connecting rod (5) is set in described It adjusts on eccentric wheel (44), the needle gage that being additionally provided on the work feed eccentric disc (43) can move up and down adjusts claw (46);Institute State lift tooth connecting rod (6) upper end be set on one end outer peripheral surface of the tooth lifting cam (42), the tooth lifting cam (42) it is another Have on the outer peripheral surface of one end and adjust the teeth (42a) that claw (46) are meshed with the needle gage, is set on the casing of the sewing machine The needle gage regulation button (7) moved down can be pushed by having;Lift is fixed on the feed lifting rock shaft (2) to buckle handle (8), it is described The lower end and the handle (8) of buckling of lifting for lifting tooth connecting rod (6) are hinged, and the feed spool (3) is installed with feeding crank (9), described The lower end of feeding connecting rod (5) is connected by swing seat (10) with the feeding crank (9);The needle gage is adjusted and is sent automatically Material structure further includes the actuator (20) that the swing seat (10) can be driven to swing.
2. the needle gage of sewing machine according to claim 1 adjusts and falls automatically feeding structure, which is characterized in that the work feed Offer vertical through slot (43a) on eccentric disc (43), the needle gage adjusts claw (46) in rectangular box and is set in institute It states on axis (1), the two sides that the needle gage adjusts claw (46) pass through described through slot (43a), the needle gage adjusting claw (46) lower end has outwardly projecting extension (46a), has and the tooth lifting cam (42) on the upside of the extension (46a) On the cat's paw (46b) that matches of teeth (42a).
3. the needle gage of sewing machine according to claim 2 adjusts and falls automatically feeding structure, which is characterized in that the adjusting The eccentric position of eccentric wheel (44) has mounting hole (44a), and one end of the small eccentricity wheel (45) is plugged in the mounting hole In (44a), the other end of the small eccentricity wheel (45) has axial hole, has protrusion on the work feed eccentric wheel (41), described Protrusion is plugged in the axial hole of the small eccentricity wheel (45).
4. the needle gage of sewing machine according to claim 1 or 2 or 3 adjusts and falls automatically feeding structure, which is characterized in that institute It states and is hinged on the casing of sewing machine in the middle part of swing seat (10), one end of the swing seat (10) passes through the connecting plate of falling feeding (12) lever pin of falling feeding (13) are connected with;The other end of the swing seat (10) passes through short oscillating deck (14) and long oscillating deck (15) it is connected with the feeding crank (9);The middle part of the swing seat (10) has the extension arm (10a) extended downwardly, institute It states and is connected on swing seat (10) connection component of falling feeding (16), the output shaft of the actuator (20) is connect with the feeding One end of component (16) is connected, the outer end phase of the other end and the extension arm (10a) of the connection component of falling feeding (16) Hingedly.
5. the needle gage of sewing machine according to claim 4 adjusts and falls automatically feeding structure, which is characterized in that the driving Part (20) is electromagnet;The connection component of falling feeding (16) includes the pull rod of falling feeding (16a), the connecting rod of falling feeding (16b) and falls Feeding crank (16c), the crank of falling feeding (16c) is hinged on the casing of sewing machine in bending and middle part, described to send The iron core of one end and electromagnet for expecting connecting rod (16b) is hinged, the other end of the connecting rod of falling feeding (16b) and the feeding One end of crank (16c) is hinged, the other end of the crank of falling feeding (16c) and the one end of the pull rod of falling feeding (16a) It is hinged, the outer end of the other end and the extension arm (10a) of the pull rod of falling feeding (16a) is hinged.
6. the needle gage of sewing machine according to claim 5 adjusts and falls automatically feeding structure, which is characterized in that sewing machine It is installed on casing welding block (17), the welding block (17) is equipped with the return unit that the swing seat (10) can be made to reset (19)。
7. the needle gage of sewing machine according to claim 6 adjusts and falls automatically feeding structure, which is characterized in that the welding Block (17) is bolted with limit screw (18), and the return unit (19) is to reset cushion block, and return unit (19) setting is only On dynamic screw (18).
CN201910030556.8A 2019-01-14 2019-01-14 A kind of needle gage of sewing machine adjusts and falls automatically feeding structure Pending CN109594208A (en)

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Cited By (8)

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CN109989184A (en) * 2019-04-25 2019-07-09 杰克缝纫机股份有限公司 Backstitch regulating mechanism and the sewing machine using the mechanism
CN110699867A (en) * 2019-11-08 2020-01-17 杰克缝纫机股份有限公司 Sewing machine and adjustable feeding mechanism thereof
CN112626725A (en) * 2019-09-24 2021-04-09 杰克缝纫机股份有限公司 Feed dog feed lifting tooth height adjustable mechanism and sewing machine
CN112626733A (en) * 2019-09-24 2021-04-09 杰克缝纫机股份有限公司 Feed lifting height adjusting method for sewing machine
CN112853633A (en) * 2019-11-28 2021-05-28 杰克缝纫机股份有限公司 Feed lifting mechanism with adjustable feed lifting height and flat seaming machine
CN112952526A (en) * 2021-04-02 2021-06-11 深圳市宇安泰电子有限公司 Breaking device for breaking off terminal and material belt inserted on socket
CN112981738A (en) * 2019-12-13 2021-06-18 杰克缝纫机股份有限公司 Lifting tooth height adjusting mechanism and overedger
WO2021135199A1 (en) * 2019-12-30 2021-07-08 杰克缝纫机股份有限公司 Sewing machine feeding mechanism and sewing machine having sewing machine feeding mechanism

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CN109989184A (en) * 2019-04-25 2019-07-09 杰克缝纫机股份有限公司 Backstitch regulating mechanism and the sewing machine using the mechanism
CN112626725A (en) * 2019-09-24 2021-04-09 杰克缝纫机股份有限公司 Feed dog feed lifting tooth height adjustable mechanism and sewing machine
CN112626733A (en) * 2019-09-24 2021-04-09 杰克缝纫机股份有限公司 Feed lifting height adjusting method for sewing machine
CN112626725B (en) * 2019-09-24 2022-08-23 杰克科技股份有限公司 Feeding tooth lifting tooth height adjustable mechanism and sewing machine
CN112626733B (en) * 2019-09-24 2022-11-22 杰克科技股份有限公司 Feed lifting height adjusting method for sewing machine
CN110699867A (en) * 2019-11-08 2020-01-17 杰克缝纫机股份有限公司 Sewing machine and adjustable feeding mechanism thereof
CN112853633A (en) * 2019-11-28 2021-05-28 杰克缝纫机股份有限公司 Feed lifting mechanism with adjustable feed lifting height and flat seaming machine
CN112981738A (en) * 2019-12-13 2021-06-18 杰克缝纫机股份有限公司 Lifting tooth height adjusting mechanism and overedger
CN112981738B (en) * 2019-12-13 2022-07-05 杰克科技股份有限公司 Lifting tooth height adjusting mechanism and overedger
WO2021135199A1 (en) * 2019-12-30 2021-07-08 杰克缝纫机股份有限公司 Sewing machine feeding mechanism and sewing machine having sewing machine feeding mechanism
CN112952526A (en) * 2021-04-02 2021-06-11 深圳市宇安泰电子有限公司 Breaking device for breaking off terminal and material belt inserted on socket

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