CN109881389A - For cutting the mechanism of sewing machine suture - Google Patents

For cutting the mechanism of sewing machine suture Download PDF

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Publication number
CN109881389A
CN109881389A CN201910203818.6A CN201910203818A CN109881389A CN 109881389 A CN109881389 A CN 109881389A CN 201910203818 A CN201910203818 A CN 201910203818A CN 109881389 A CN109881389 A CN 109881389A
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CN
China
Prior art keywords
suture
cutting
moving knife
sewing machine
wire casing
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Pending
Application number
CN201910203818.6A
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Chinese (zh)
Inventor
丁建明
潘建国
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.)
Jack Technology Co Ltd
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Jack Sewing Machine 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 Jack Sewing Machine Co Ltd filed Critical Jack Sewing Machine Co Ltd
Priority to CN201910203818.6A priority Critical patent/CN109881389A/en
Publication of CN109881389A publication Critical patent/CN109881389A/en
Pending legal-status Critical Current

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Abstract

It is of the present invention a kind of for cutting the mechanism of sewing machine suture, a kind of mechanism for cutting sewing machine suture of the invention is when carrying out trimming operation, the appearance wire casing plays guiding function to suture when moving knife rotates forward, and suture is separated and is directed to the suture between moving knife upper side and stationary knife downside and holds in wire casing by the separated time mouth of moving knife;The appearance wire casing plays position-limiting action to suture when moving knife rotates backward, and is limited in the suture held in wire casing and is cut by the second cutting edge in the first cutting edge;It can be seen that of the invention is a kind of for cutting the mechanism of sewing machine suture, suture can be easily and reliably cut.

Description

For cutting the mechanism of sewing machine suture
Technical field
The present invention relates to a kind of for cutting the mechanism of sewing machine suture.
Background technique
Sewing machine needs suture to cut after completing one section of sewing operations to carry out next section of sewing operations.Sewing The upper thread of machine is through in the pin hole of suture needle end, and baseline is drawn by peg or spindle, and when sewing operation, suture needle drives upper thread to be passed down through Cloth is to separate be connected with cloth one section of upper thread from one section of upper thread being connected with suture needle when needing to cut upper thread and baseline, It is cut together with the upper thread and baseline that cloth is connected by thread cutting mechanism.Sewing machine in the prior art is general during trimming The mode for using moving knife to move back and forth carries out separated time and trimming, often there is a situation where cutting not breaking or clamp, And residual the end of a thread is longer after trimming, is unable to satisfy clothing factory's requirement, needs to be additionally carried out trimming, thus will increase manufacture work Sequence increases manufacturing cost.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide one kind for cutting sewing machine suture Mechanism, can easily and reliably cut suture.
To achieve the above object, the present invention provides a kind of for cutting the mechanism of sewing machine suture, including is set to sewing machine Mounting plate above rotating shuttle was equipped with needle plate on mounting plate, crosses needle plate and is equipped with via hole, the via hole is worn for suture and suture needle It crosses;
Stationary knife and moving knife are additionally provided on the mounting plate;The stationary knife is fixed on a mounting board, the downside of the stationary knife Equipped with the first cutting edge, the first cutting edge is located near the via hole;The moving knife is rotatably connected on mounting plate, the moving knife The front and back reciprocating rotation by the driving of the first driving mechanism;The front end of the moving knife has the separated time mouth of beak shape, the moving knife Upper side, which is equipped with, holds wire casing, holds the front end of wire casing close to the front end of separated time mouth, the rear end for holding wire casing extends to the rear end of moving knife Edge;The front edge for holding wire casing protrudes from the upper side of moving knife and forms the second cutting edge of slope surface shape;
In trimming, moving knife rotates forward and so that separated time mouth is separated suture and will be located at moving knife upper side and stationary knife downside Between suture guide to holding in wire casing, moving knife rotates backward and makes the second cutting edge that will hold the suture in wire casing at the first cutting edge It cuts.
Preferably, the front end of stationary knife is arranged in first cutting edge, and the first cutting edge protrudes from the downside of stationary knife.
Preferably, there is the first inclined-plane on the separated time mouth, the first inclined-plane from the downside of separated time mouth front end rearwardly and upwardly Inclination extends to the upper side of separated time mouth.
Preferably, the downside for crossing needle plate is equipped with a downward projection of boss, and the via hole is set in boss Heart position;The boss lower end is equipped with raised head face and the second inclined-plane, and the raised head face is located at the rear side of via hole, and described second Inclined-plane extends to the edge of boss from the front side edge forward upward inclination of raised head face.
It is further preferable that the boss lower end is additionally provided with third inclined-plane, the setting of third inclined-plane is rotated in via hole close to moving knife The side of axis, third inclined-plane tilt the edge for extending to boss from the edge of raised head face upward.
It is further preferable that the boss is cylindrical, limited on mounting plate with one section of arc around boss front along setting Position wall.
It is further preferable that the raised head face than the first cutting edge closer to cross needle plate downside.
It is further preferable that the rear portion of the boss is equipped with step-like escape groove, first cutting edge is extended in escape groove And close to via hole.
Preferably, the appearance wire casing is in bell shape, and inswept, the rear end for holding wire casing are wide.
Preferably, further include the brake bar driven by the second driving mechanism, drive the moving knife dynamic in the first driving mechanism Before work, the second driving mechanism drives the brake bar to be buckled on the peg or spindle of rotating shuttle and peg or spindle is made to stop operating.
As described above, it is of the present invention a kind of for cutting the mechanism of sewing machine suture, have the advantages that this When carrying out trimming operation, the appearance wire casing is when moving knife rotates forward for a kind of mechanism for cutting sewing machine suture of invention Guiding function is played to suture, suture is separated and makes the seam between moving knife upper side and stationary knife downside by the separated time mouth of moving knife Line, which is directed to, to be held in wire casing;The appearance wire casing plays position-limiting action to suture when moving knife rotates backward, and is limited in appearance wire casing In suture cut by the second cutting edge in the first cutting edge;It can be seen that of the invention is a kind of for cutting sewing machine suture Mechanism can easily and reliably cut suture, so that the end of a thread after trimming is shortened, reach customer requirement, without trimming the end of a thread.
Detailed description of the invention
Fig. 1 is shown as the eedle of sewing machine and suture passes through cloth and crosses the schematic diagram of needle plate.
Fig. 2 is shown as a kind of structural schematic diagram of the mechanism of cutting sewing machine suture of the invention.
Fig. 3 is shown as the mounting structure schematic diagram of the components such as the first driving mechanism, moving knife and stationary knife, viewing angle be from It is observed upward below mounting plate.
Fig. 4 is shown as the connection schematic diagram of the components such as the second driving mechanism, brake bar and the rotating shuttle from side from.
Fig. 5 is shown as the connection schematic diagram of moving knife, stationary knife and needle plate on a mounting board, and viewing angle is below mounting plate It observes upward.
Fig. 6 is shown as the enlarged structure schematic diagram of moving knife, stationary knife and needle plate on a mounting board, and viewing angle is from mounting plate It observes upward lower section.
Fig. 7 is shown as the connection schematic diagram of moving knife, stationary knife and needle plate on a mounting board, and viewing angle is below mounting plate It observes upward.
Fig. 8 is shown as the structural schematic diagram of moving knife, and viewing angle is from the upper side of moving knife.
Fig. 9 was shown as the structural schematic diagram of needle plate, and viewing angle is from crossing needle plate downside.
Component label instructions
1 pedestal
2 rotating shuttles
3 mounting plates
4 cross needle plate
5 via holes
6 peg or spindles
7 suture needles
8 upper threads
9 baselines
10 clothes
11 stationary knifes
12 moving knife
13 first cutting edges
14 separated time mouths
15 hold wire casing
16 second cutting edges
17 first inclined-planes
18 boss
19 raised head faces
20 second inclined-planes
21 third inclined-planes
22 arc-shaped limit walls
23 connecting pins
24 escape groove
25 brake bars
26 first driving mechanisms
27 first cylinders
28 first sliding pins
29 levers
30 first sliding grooves
31 second sliding slots
32 second sliding pins
33 first connecting levers
34 first connecting rods
35 second driving mechanisms
36 second cylinders
37 third sliding pins
38 second connecting levers
39 first arms
40 third sliding slots
41 second arms
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, upper thread 8 is installed with when sewing machine carries out sewing operation, in the pin hole of suture needle 7, in the peg or spindle 6 of rotating shuttle 2 Baseline 9 is led to, when piercing under suture needle 7, the upper thread 8 close to 7 end of suture needle is driven at peg or spindle 6 by suture needle 7, the pin hole two of suture needle 7 One section of upper thread 8 is drawn in side respectively, and the upper thread 8 in 7 left side of suture needle is connected with cloth 10 in Fig. 1, the upper thread 8 on 7 right side of suture needle and sewing Machine head is connected for drum, and thread cutting mechanism needs the one section of upper thread 8 and baseline 9 being connected with cloth 10 in 3 downside of mounting plate It cuts (upper thread 8 and baseline 9 can be referred to as suture).
As shown in Fig. 2, it is of the invention a kind of for cutting the mechanism of sewing machine suture, including be set on sewing-machine rotating shuttle 2 The mounting plate 3 of side is equipped with pedestal 1 below mounting plate 3, is connected with the first driving mechanism 26 and the second driving mechanism 35 on pedestal 1, First driving mechanism 26 cuts suture for driving the movement of moving knife 12, and the second driving mechanism 35 is for driving brake bar 25 dynamic Rotating shuttle 2 is blocked, so that rotating shuttle 2 is not able to rotate, in order to trimming operation;As shown in Fig. 3, Fig. 5, Fig. 6 and Fig. 7, installation Needle plate 4 was installed on plate 3, needle plate 4 is crossed and is equipped with via hole 5, the via hole 5 is passed through for suture and suture needle 7;The mounting plate 3 On be additionally provided with stationary knife 11 and moving knife 12;The stationary knife 11 is fixed on mounting plate 3, and the downside of the stationary knife 11 is equipped with the first sword Mouth 13, the first cutting edge 13 is located near the via hole 5;The moving knife 12 is rotatably connected on mounting plate 3, the moving knife 12 The front and back reciprocating rotation by the driving of the first driving mechanism 26;The front end of the moving knife 12 has the separated time mouth 14 of beak shape, described The upper side of moving knife 12, which is equipped with, holds wire casing 15, holds the front end of wire casing 15 close to the front end of separated time mouth 14, holds the rear end of wire casing 15 Extend to the rear edge of moving knife 12;The front edge for holding wire casing 15 protrudes from the upper side of moving knife 12 and forms the of slope surface shape Two cutting edges 16;In trimming, moving knife 12 rotates forward and so that separated time mouth 14 is separated suture and will be located at 12 upper side of moving knife and determine Suture between 11 downside of knife guides that (incorporated by reference to reference Fig. 1 and Fig. 5, separated time mouth 14 is from eedle two sides to holding in wire casing 15 It is passed through between upper thread 8 and one section of upper thread 8 being connected with cloth 10 and one section of baseline 9 being connected with cloth 10 guidance is extremely held into wire casing In 15), when the second 16 inswept via hole 5 of cutting edge, suture is first in the front side of the second cutting edge 16, and moving knife 12 continues forward, seam Line crosses the second cutting edge 16 for protruding from 12 upper side of moving knife and is in the rear side of the second cutting edge 16;When moving knife 12 rotates backward When, the second cutting edge 16 will hold the suture in wire casing 15 at the first cutting edge 13 and cut.It can be seen that one kind of the invention is for cutting The mechanism of disconnected sewing machine suture, can easily and reliably cut suture.Moreover, because the first cutting edge 13 is close to via hole 5, trimming it Afterwards, the end of a thread stayed on cloth 10 is shorter.
In a kind of mechanism for cutting sewing machine suture of the invention, suture is by stationary knife 11 and moving knife 12 in order to prevent It clamps, as shown in Figures 5 to 7, the front end of stationary knife 11 is arranged in first cutting edge 13, and the first cutting edge 13 protrudes from stationary knife 11 Downside, in this way, having certain gap between the downside of stationary knife 11 and the upper side of moving knife 12 to accommodate suture, suture is not It can be clamped by stationary knife 11 and moving knife 12.
In a kind of mechanism for cutting sewing machine suture of the invention, in order to enable the separated time mouth 14 of moving knife 12 can Upper thread 8 is reliably separated, as shown in fig. 7, having the first inclined-plane 17 on the separated time mouth 14, the first inclined-plane 17 is before separated time mouth 14 The downside at end tilts the upper side for extending to separated time mouth 14 rearwardly and upwardly.In this way, the front end of separated time mouth 14 is cut very much, can penetrate Small gaps between the upper thread 8 of 7 two sides of suture needle, thus reliably separated time.Fig. 6, Fig. 7 and Fig. 9 are please referred to, it is described to cross needle plate 4 Downside be equipped with a downward projection of boss 18, the via hole 5 is set to the center of boss 18;18 lower end of boss Equipped with raised head face 19 and the second inclined-plane 20, the raised head face 19 is located at the rear side of via hole 5, and second inclined-plane 20 is from boss The front side edge forward upward inclination of end face 19 extends to the edge of boss 18, and the boss 18 is cylindrical, has on mounting plate 3 One section around 18 front of boss along the arc-shaped limit wall 22 of setting.In this way, the second cutting edge 16 is inswept described when moving knife 12 rotates forward When via hole 5, baseline 9 and the front side of the second cutting edge 16 is in and by second by the upper thread 8 of the guidance of separated time mouth 14 to the upside of moving knife 12 Cutting edge 16 to being pushed forward, the baseline 9 and upper thread 8 of 16 rear side of the second cutting edge be in moving knife 12 upper side and stationary knife 11 downside it Between and be directed to hold wire casing 15 in, due to the slope shape of 16 camber of the second cutting edge, in the tensile force of baseline 9 and upper thread 8 Under the action of, baseline 9 and upper thread 8 are detached from the second cutting edge 16 and slide to the second inclined-plane 20, and the continuation of moving knife 12 rotates forward, the second sword Mouthfuls 16 will be moved to the front side of baseline 9 and upper thread 8, and baseline 9 and upper thread 8 are due to tensile force and along the second inclined-plane 20 towards close The direction of via hole 5 is slided, and when moving knife 12 rotates backward, baseline 9 and upper thread 8 have been in the rear side of the second cutting edge 16, moving knife 12 It moves backward and makes the second cutting edge 16 that baseline 9 and upper thread 8 be pushed to be moved at the first cutting edge 13 of stationary knife 11 backwards, at this point, bottom Line 9 and upper thread 8 are between the first cutting edge 13 and the second cutting edge 16, and moving knife 12 continues to rotate backward, and the second cutting edge 16 is inswept the One cutting edge 13 and baseline 9 and upper thread 8 between the two are cut.When upper thread 8 and baseline 9 are on the second inclined-plane 20, baseline 9 Have to the direction close to via hole 5 and slide under the action of tensile force with upper thread 8.Due to being provided with the second inclined-plane on boss 18 20, so baseline 9 or upper thread 8 can be prevented to be stuck between boss 18 and moving knife 12.In order to enable baseline 9 and upper thread 8 can It successfully slides backward, it is preferable that 18 lower end of boss is additionally provided with third inclined-plane 21, and the setting of third inclined-plane 21 is leaned in via hole 5 The side of 12 rotation axis of nearly moving knife, third inclined-plane 21 tilts the side for extending to boss 18 from the edge of raised head face 19 upward Edge.In this way, the front side of the boss 18 is in ramped shaped substantially, the obstruction slided backward to baseline 9 and upper thread 8 is smaller.It please refers to Fig. 6 and Fig. 7,19 to the first cutting edge 13 of raised head face closer to cross needle plate 4 downside.In this way, 18 lower end of boss and dynamic Between the upper side of knife 12 have certain interval, when the lower end of the inswept boss 18 of the second cutting edge 16 of moving knife 12, baseline 9 or Upper thread 8 is not easy to be jammed.
In order to enable the end of a thread caused by trimming is shorter, it is preferable that as shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 9, the boss 18 Rear portion be equipped with step-like escape groove 24, first cutting edge 13 extend in escape groove 24 and close to via hole 5.In this way, first For cutting edge 13 closer to via hole 5, the end of a thread caused by trimming is shorter.
Referring to FIG. 8, as a preferred embodiment, the appearance wire casing 15 holds wire casing 15 in bell shape Inswept, rear end are wide, and the front end for holding wire casing 15 is connected with the second cutting edge 16 and most narrow at the second cutting edge 16, the width of appearance wire casing 15 Degree is gradually increased backward from the second cutting edge 16, in this way, suture, which is easier to be imported into, holds wire casing 15.
In a kind of mechanism for cutting sewing machine suture of the invention, first driving mechanism 26 is dynamic for driving Knife 12 rotates and carries out trimming action, please refers to Fig. 2 and Fig. 3, first driving mechanism 26 includes being fixedly connected with pedestal 1 First cylinder 27 is connected with the first sliding pin 28 on the drive rod of first cylinder 27, a lever 29, lever 29 is pivotally connected on mounting plate 3 Middle part be articulated on mounting plate 3 by connecting pin 23, the both ends of lever 29 are respectively equipped with first sliding groove 30 and second sliding slot 31, First sliding pin 28 is inserted in first sliding groove 30, and the first connecting lever 33, the upper connection of the first connecting lever 33 are also connected on mounting plate 3 There is the second sliding pin 32, the second sliding pin 32 is inserted in second sliding slot 31, and first connecting rod 34 is also hinged on the first connecting lever 33, and first connects Bar 34 is hinged on moving knife 12, and moving knife 12 is hinged on mounting plate 3 by pin shaft.The driving cylinder of first cylinder 27 is flexible being capable of band Dynamic lever 29 rotates, and lever 29 drives the first connecting lever 33 to swing, and the first connecting lever 33 drives moving knife 12 to rotate by first connecting rod 34 To carry out trimming operation.
In order to enable trimming operation can stablize progress, when trimming operation, peg or spindle 6 preferably stops operating, so that bottom Line 9 and upper thread 8 be able to maintain it is relatively stable, as a preferred embodiment, as shown in Figure 2 and Figure 4, one kind of the invention Mechanism for cutting sewing machine suture further includes by the second driving mechanism 35, and the second driving mechanism 35 is including cylinder and by gas The brake bar 25 of cylinder driving, before the first driving mechanism 26 drives the moving knife 12 to act, the second driving mechanism 35 drives institute It states brake bar 25 to be buckled on the peg or spindle 6 of rotating shuttle 2 and block rotating shuttle 2, to make peg or spindle 6 stop operating, to improve the steady of trimming It is qualitative.As shown in figure 4, be connected with third sliding pin 37 on the drive rod of the second cylinder, it is hinged with the second connecting lever 38 on pedestal, second Connecting lever 38 includes the first arm 39 and the second arm 41, and the first arm 39 is equipped with third sliding slot 40, and third sliding pin 37 is inserted in third sliding slot In 40, the second arm 41 is connected with brake bar.The drive rod of second cylinder is flexible to be able to drive the rotation of the second connecting lever 38, the second connecting lever 38 rotations are able to drive gear-stopping bar and swing and rotating shuttle is blocked or unclamped.
By verification experimental verification, trimming is carried out using a kind of mechanism for cutting sewing machine suture of the invention, it is produced Residual the end of a thread can control within 3mm, no longer need to be trimmed, and remain the end of a thread after the thread cutting mechanism trimming of the prior art More than 10mm, it is unable to satisfy clothing factory's requirement, needs to be additionally carried out trimming.In addition, kind of the invention is for cutting sewing machine seam The mechanism of line carries out that rotating shuttle 2 is enabled to stall when trimming, improves the stability of trimming.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.

Claims (10)

1. it is a kind of for cutting the mechanism of sewing machine suture, including the mounting plate (3) being set to above sewing-machine rotating shuttle (2), installation It was equipped on plate (3) needle plate (4), and crossed needle plate (4) and be equipped with via hole (5), the via hole (5) passes through for suture and suture needle (7);
Stationary knife (11) and moving knife (12) are additionally provided on the mounting plate (3);The stationary knife (11) is fixed on mounting plate (3), institute The downside for stating stationary knife (11) is equipped with the first cutting edge (13), and the first cutting edge (13) is located near the via hole (5);The moving knife (12) it is rotatably connected on mounting plate (3), the moving knife (12) is driven and front and back reciprocating rotary by the first driving mechanism (26) It is dynamic;The front end of the moving knife (12) has the separated time mouth (14) of beak shape, and the upper side of the moving knife (12), which is equipped with, holds wire casing (15), hold the front end of wire casing (15) close to the front end of separated time mouth (14), after the rear end of appearance wire casing (15) extends to moving knife (12) End edge edge;The front edge for holding wire casing (15) protrudes from the upper side of moving knife (12) and forms the second cutting edge (16) of slope surface shape;
In trimming, moving knife (12) rotates forward and so that separated time mouth (14) is separated suture and will be located at moving knife (12) upper side and determine Suture between knife (11) downside is guided to holding in wire casing (15), and moving knife (12) rotates backward and makes the second cutting edge (16) the The suture in wire casing (15) will be held at one cutting edge (13) to cut.
2. according to claim 1 for cutting the mechanism of sewing machine suture, it is characterised in that: first cutting edge (13) Front end in stationary knife (11) is set, and the first cutting edge (13) protrudes from the downside of stationary knife (11).
3. according to claim 1 for cutting the mechanism of sewing machine suture, it is characterised in that: on the separated time mouth (14) With the first inclined-plane (17), the first inclined-plane (17) tilt rearwardly and upwardly from the downside of separated time mouth (14) front end and extend to separated time mouth (14) upper side.
4. according to claim 1 for cutting the mechanism of sewing machine suture, it is characterised in that: needle plate (4) excessively Downside is equipped with a downward projection of boss (18), and the via hole (5) is set to the center of boss (18);The boss (18) lower end is equipped with raised head face (19) and the second inclined-plane (20), and the raised head face (19) is located at the rear side of via hole (5), described Second inclined-plane (20) extends to the edge of boss (18) from the front side edge forward upward inclination of raised head face (19).
5. according to claim 4 for cutting the mechanism of sewing machine suture, it is characterised in that: boss (18) lower end It is additionally provided with third inclined-plane (21), in via hole (5) close to the side of moving knife (12) rotation axis, third is oblique for third inclined-plane (21) setting The edge of face (21) from raised head face (19) tilts the edge for extending to boss (18) upward.
6. according to claim 4 for cutting the mechanism of sewing machine suture, it is characterised in that: the boss (18) is in circle Cylindricality, on mounting plate (3) with one section around boss (18) front along the arc-shaped limit wall (22) of setting.
7. according to claim 4 for cutting the mechanism of sewing machine suture, it is characterised in that: the raised head face (19) Than the first cutting edge (13) closer to cross needle plate (4) downside.
8. according to claim 4 for cutting the mechanism of sewing machine suture, it is characterised in that: after the boss (18) Portion is equipped with step-like escape groove (24), and first cutting edge (13) extends in escape groove (24) and close to via hole (5).
9. according to claim 1 for cutting the mechanism of sewing machine suture, it is characterised in that: the appearance wire casing (15) is in Bell shape, inswept, the rear end for holding wire casing (15) are wide.
10. according to claim 1 for cutting the mechanism of sewing machine suture, it is characterised in that: further include being driven by second The brake bar (25) of motivation structure (35) driving, before the first driving mechanism (26) drive moving knife (12) movement, second is driven Motivation structure (35) drives the brake bar (25) to be buckled on the peg or spindle (6) of rotating shuttle (2) and peg or spindle (6) is made to stop operating.
CN201910203818.6A 2019-03-18 2019-03-18 For cutting the mechanism of sewing machine suture Pending CN109881389A (en)

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CN112760843A (en) * 2020-12-28 2021-05-07 杰克缝纫机股份有限公司 Roller car and trimming mechanism thereof
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CN112760843A (en) * 2020-12-28 2021-05-07 杰克缝纫机股份有限公司 Roller car and trimming mechanism thereof
CN112760843B (en) * 2020-12-28 2023-08-01 杰克科技股份有限公司 Roller car and thread cutting mechanism thereof
CN114395866A (en) * 2022-01-25 2022-04-26 杰克科技股份有限公司 Thread cutting method of sewing machine and sewing machine

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