CN109537195A - A kind of high trolley flat cutter thread cutting mechanism - Google Patents
A kind of high trolley flat cutter thread cutting mechanism Download PDFInfo
- Publication number
- CN109537195A CN109537195A CN201910028639.3A CN201910028639A CN109537195A CN 109537195 A CN109537195 A CN 109537195A CN 201910028639 A CN201910028639 A CN 201910028639A CN 109537195 A CN109537195 A CN 109537195A
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- needle plate
- trimming
- knife
- cover board
- tension disc
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of high trolley flat cutter thread cutting mechanisms, including combining needle plate, combination needle plate is made of needle plate shell and needle plate cover board, needle plate cover board and needle plate shell detachable connection, needle plate shell left lower is equipped with thread tension disc, elastic piece is fixed on the inner cavity concave surface of needle plate cover board, elastic piece lower part is equipped with stationary knife, stationary knife is fixed on tool apron lower right-hand side, pendulum tooth is equipped on tool apron on the left of plane and joins seat, the longitudinal string for putting tooth connection seat is equipped with swinging axle, swinging axle lower part is equipped with pendulum tooth, it puts tooth engagement and connects transmission gear, moving knife is fixed at the top of swinging axle, transmission gear root connects trimming pull rod, the connection of the trimming pull rod other end swings joining beam, swing joining beam mating connection trimming cam, trimming cam is connect with the output end of trimming electromagnet；It is more convenient that the invention enables installation and debugging, realizes the scissors effect of short-term head, overcomes the prior art to the defect of thread cutting mechanism mounting and adjusting inconvenience, avoids bouncing pilotage phenomenon, ensure that sewing performance.
Description
[technical field]
The invention belongs to sewing device technical field, specifically a kind of shoe industry that is suitable for is for all kinds of shoes sewing work
The high trolley flat cutter thread cutting mechanism of skill.
[background technique]
Currently, being used for the high trolley of sewing device of shoe industry, trimming mode mostly uses dise knife cold cut mode to implement to sew
Technique, this trimming structure are located at the inside of big needle plate, are specifically equipped with one trimming stationary knife in the upper plane of a stationary knife seat,
Left side is equipped with separated time piece, the knife-edge positions of stationary knife × to the distance with y Xiang Yu little pin hole be respectively 10mm or so, due to by this knot
The limitation of structure, so that the baseline and upper thread remaining lengths after trimming are at least in 8mm or more.
Occurs a kind of flat cutter cold cut thread cutting mechanism in the art recently, big needle plate is an integral structure, this flat cutter formula
Cold cut thread cutting mechanism, in the left part inner cavity of big needle plate, setting one is stationary knife, the edge of a knife in needle mouth center X to for 0, y 3mm, due to
It is limited by the hardened conformational space of large needle, so that the position of setting and installation stationary knife is difficult.
There is technology that stationary knife installation site is located at below big needle plate again later, the bending of the stationary knife edge of a knife extends in needle plate
Chamber, the technology eliminate thread clamping mechanism, moving knife hooking is arranged instead of clamp.Bottom surface line is residual although the technology solves trimming after
The short problem of Liu length, but due to being limited by structure in the presence of obvious deficiency, major defect is: first is that the installation tune of stationary knife
Examination is inconvenient, second is that will appear wire jumper phenomenon often due to eliminating clamping-line structure, often bouncing pilotage occurs in the first needle of starting,
And then influence sewing performance.
[summary of the invention]
A kind of high trolley flat cutter thread cutting mechanism is provided present invention aim to solve above-mentioned deficiency, so that installation
Scissors effect that is more convenient, and realizing short-term head is debugged, overcomes the prior art to thread cutting mechanism mounting and adjusting inconvenience
Defect avoids bouncing pilotage phenomenon, and then ensure that sewing performance.
A kind of high trolley flat cutter thread cutting mechanism, including combination needle plate, stationary knife 3, moving knife 14, institute are designed to achieve the above object
It states combination needle plate to be made of needle plate shell 1 and needle plate cover board 2, the needle plate cover board 2 passes through needle plate cover screw with needle plate shell 1
7 detachable connections, 1 left lower of needle plate shell are equipped with thread tension disc 5, fix on the inner cavity concave surface of the needle plate cover board 2
Flexible 3A, the lower part the elastic piece 3A are equipped with stationary knife 3, and the stationary knife 3 is fixed on 9 lower right-hand side of tool apron, on the tool apron 9
It is equipped with pendulum tooth on the left of plane and joins seat 11, longitudinal string of the pendulum tooth connection seat 11 is equipped with swinging axle 12,12 lower part of the swinging axle peace
Equipped with pendulum tooth 13, the engagement of pendulum tooth 13 connects transmission gear 10, is fixed with moving knife 14, the moving knife at the top of the swinging axle 12
14 cutting edges and 3 cutting edge of stationary knife are positioned opposite, and the thread tension disc 5 is located at 14 lower section of moving knife, and 10 root of the transmission gear connection is cut
Line pull rod 16,16 other end of the trimming pull rod connection swing joining beam 17, the 17 mating connection trimming cam 18 of swing joining beam,
The trimming pull rod 16 swings joining beam 17, the formation transmission chain of trimming cam 18, the trimming cam 18 and trimming electromagnet 19
Output end connection, and drive the side oscillation to the right of moving knife 14 to do the linkage of trimming clamp by the movement of trimming electromagnet 19.
Further, the left lower of the needle plate shell 1 is set there are two thread tension disc mounting hole, and the thread tension disc 5 is by pressing from both sides
Line piece screw 6 is fixed at thread tension disc mounting hole, and the thread tension disc mounting hole is waist-shaped hole, and the thread tension disc 5 passes through thread tension disc
Mounting hole makees upper and lower position fine tuning.
Further, the elastic piece 3A is fixed on the right outside in 2 inner cavity of needle plate cover board, 3 lower part of stationary knife by rivet
If two kidney-shaped screw holes, the stationary knife 3 is fixed on 9 lower right-hand side of tool apron by kidney-shaped screw hole and stationary knife screw 4, and passes through
Kidney-shaped screw hole does upper and lower position fine tuning.
Further, the tool apron 9 is arranged on the outside of the middle part of shuttle race frame, and the transmission gear 10 is arranged outside shuttle race frame
On casing, it is equipped with driving sleeve 15 in the middle part of the transmission gear 10, is equipped with screw hole, the moving knife 14 at the top of the swinging axle 12
It is fixed by screws at screw hole.
Further, the inner cavity of the needle plate shell 1 is equipped with the location hook slot 20 of limitation rotating shuttle, on the needle plate shell 1
It is rising as high as the banks for 3.5mm that width is offered between 2 lower plane of plane and needle plate cover board, described to rise as high as the banks for the activity as moving knife 14
Space.
Further, the upper in-plane of the needle plate cover board 2 is equipped with a waist type needle plate hole 8, the waist type needle plate hole 8 with
The installation site x of 3 cutting edge of stationary knife is to for 3mm, and y is to for 4mm.
Further, the moving knife 14 is in hook shape, and 14 left front of moving knife is equipped with one section of extension hook 22, described dynamic
Front position is equipped with an aperture 23 in 14 left side of knife, is tangent line cutting edge 24 on the left of the aperture 23, and the tangent line cutting edge 24 is semicircle
Shape convex surface, the tangent line cutting edge 24 are higher by plane on knife spine, the separated time crossed beam trunking 21 of spill are opened up on the right side of the tangent line cutting edge 24,
It is equipped with tangent line on the outside of 21 right end of separated time crossed beam trunking and hooks 25,25 right side of tangent line hook sets the second separated time and hooks 26.
The present invention is compared with the existing technology, structure novel, simple, and rationally, the high trolley flat cutter of the operation is stable is cut for design
Line mechanism is arranged one stationary knife and a thread tension disc by the way that a set of combination needle plate is arranged, in the inner cavity of combination needle plate, and by setting
The cold cut trimming that a moving knife realizes short-term head is set, and existing integral type needle plate is replaced using split type combination needle plate, is made
It is more convenient to obtain installation and debugging, and realizes the scissors effect of short-term head, overcomes the prior art to thread cutting mechanism mounting and adjusting
Inconvenient defect；Meanwhile the present invention avoids starting bouncing pilotage phenomenon, and then ensure that sewing performance by adding thread clamping mechanism,
It is worthy of popularization.
[Detailed description of the invention]
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of needle plate shell in the present invention；
Fig. 3 is the structural schematic diagram of stationary knife in the present invention；
Fig. 4 is the structural schematic diagram of thread tension disc in the present invention；
Fig. 5 is the structural schematic diagram of moving knife in the present invention；
In figure: 1, needle plate shell 2, needle plate cover board 3, stationary knife 3A, elastic piece 4,5, thread tension disc 6,7, needle plate cover board spiral shell
Nail 8,9, tool apron 10, transmission gear 11, pendulum tooth connection seat 12, swinging axle 13, pendulum tooth 14, moving knife 15,16, trimming pull rod
17, it swings joining beam 18, trimming cam 19, trimming electromagnet 20, location hook slot 21, separated time crossed beam trunking 22, extend hook
23, aperture 24, tangent line cutting edge 25, tangent line hook the 26, second separated time and hook.
[specific embodiment]
The present invention is made with reference to the accompanying drawing further explained below:
As shown in Fig. 1, the present invention includes the combination needle plate being arranged on plateau sewing platform, combines needle plate by needle plate
Shell 1 and needle plate cover board 2 form, and needle plate cover board 2 and needle plate shell 1 pass through 7 detachable connection of needle plate cover screw, i.e. needle plate
Cover board 2 is fixed with needle plate shell 1 by two needle plate cover screws 7 and can be dismounted at any time, and the left lower of needle plate shell 1 is set
There are two thread tension disc mounting hole, inner wall sets a thread tension disc 5 and is fixed on thread tension disc mounting hole by two thread tension disc screws 6
Place, thread tension disc mounting hole are waist-shaped hole, and thread tension disc 5 makees the micro adjustment of upper and lower position by thread tension disc mounting hole；Needle plate cover board 2
Upper in-plane be equipped with a waist type needle plate hole 8, the right outside in inner cavity is equipped with an elastic piece 3A and to be consolidated with a rivet
It is scheduled on 2 inner cavity concave surface of needle plate cover board, the lower part of elastic piece 3A is equipped with one stationary knife 3, and the lower part of stationary knife 3 sets two kidney-shaped screws
Hole, stationary knife 3 are fixed on the lower right-hand side of tool apron 9 by kidney-shaped screw hole and two stationary knife screws 4, and stationary knife 3 passes through kidney-shaped screw
Hole can do upper and lower micro adjustment；The installation site x of the needle plate hole 8 of needle plate cover board 2 and 3 edge of a knife of stationary knife to for 3mm, y to for
4mm, to realize that the remaining lengths of bottom surface line after trimming are shorter than 4mm；Tool apron 9 is arranged on the outside of the middle part of shuttle race frame, i.e., in shuttle race
A tool apron 9 is equipped on the outside of the middle part of frame, in the middle part of shuttle race frame outer tube be equipped with a transmission gear 10, put down on tool apron 9
Left side of face joins seat 11 equipped with the pendulum tooth of a tool apron 9, and longitudinal go here and there of pendulum tooth connection seat 11 is equipped with a swinging axle 12, under swinging axle 12
Portion is equipped with a pendulum tooth 13, and pendulum tooth 13 engages with transmission gear 10, screw hole is equipped at the top of swinging axle 12, passes through a screw
A moving knife 14 is fixed, 14 cutting edge of moving knife and 3 cutting edge of stationary knife are positioned opposite, and thread tension disc 5 is located at 14 lower section of moving knife, transmission gear 10
Middle part set driving sleeve 15, its root connects a trimming pull rod 16, and 16 other end of trimming pull rod connects swings and joins
Bar 17 swings 17 mating connection trimming cam 18 of joining beam, and trimming pull rod 16 swings joining beam 17, the formation transmission chain of trimming cam 18,
Trimming cam 18 is connect with the output end of trimming electromagnet 19, and by the movement of trimming electromagnet 19 finally realize moving knife 14 to
Right side, which is swung, does the linkage of trimming clamp.
As shown in Fig. 2, the location hook slot 20 of limitation rotating shuttle is equipped in the inner cavity of needle plate shell 1, thereon plane and needle plate
It is rising as high as the banks for 3.5mm, the activity space to moving knife that width is offered between the lower plane of cover board.
As shown in attached drawing 3 and attached drawing 4, the installation hole location of stationary knife 3 and separated time piece 5 sets kidney slot, to facilitate progress up and down micro-
Amount adjustment, with guarantee moving knife 14 to the right side oscillation moving knife cutting edge when above 3 cutting edge of stationary knife touch broken string, while moving knife 14 under
The thread tension disc 5 of side clamps the baseline of cutting, not bouncing pilotage when guaranteeing the secondary starting of eedle.The right outside in 2 inner cavity of needle plate cover board is set
There is an elastic piece 3A and be fixed on 2 inner cavity concave surface of needle plate cover board with a rivet, the lower part of elastic piece 3A sets one and determines
Knife 3, the lower part of stationary knife 3 set two kidney-shaped screw holes, and the lower right-hand side of tool apron 9 is fixed in by two screws, and stationary knife 3 can be done
Upper and lower micro adjustment.
As shown in Fig. 5, moving knife 14 is in hook shape, and the left front of moving knife 14 is equipped with the extension hook 22 of one section of 15mm, is used
Way is baseline to be first pressed in the lower section of moving knife, to guarantee that trimming action is not made mistakes when rotating shuttle work；Before in the left side of moving knife 14
Position is equipped with an aperture 23, and the left side of aperture 23 is tangent line cutting edge 24, and tangent line cutting edge 24 is semicircle convex surface, and tangent line cutting edge 24 omits
It is higher by plane 0.3mm on knife spine, the right side of tangent line cutting edge 24 opens up the separated time crossed beam trunking 21 of spill, the right end of separated time crossed beam trunking 21
Outside is equipped with a tangent line and hooks 25, and the right side X that tangent line hooks 25 sets the second separated time to 8.5mm and hook 26, cut to moving knife to 10mm, y
Line revolution first separates the upper thread of rotating shuttle looper, then catches on a foundation by previous tangent line and a upper thread realizes trimming.
The present invention is simultaneously not limited to the embodiments described above, other any without departing from spiritual essence and principle of the invention
Changes, modifications, substitutions, combinations, simplifications made by lower, should be equivalent substitute mode, are included in protection model of the invention
Within enclosing.
Claims (7)
1. a kind of high trolley flat cutter thread cutting mechanism, it is characterised in that: including combine needle plate, stationary knife (3), moving knife (14), described group
It closes needle plate to be made of needle plate shell (1) and needle plate cover board (2), the needle plate cover board (2) and needle plate shell (1) pass through needle plate cover board
Screw (7) detachable connection, needle plate shell (1) left lower be equipped with thread tension disc (5), the needle plate cover board (2) it is interior
It is fixed on chamber concave surface elastic piece (3A), the elastic piece lower part (3A) is equipped with stationary knife (3), and the stationary knife (3) is fixed on tool apron
(9) lower right-hand side, pendulum tooth connection seat (11) is equipped on the tool apron (9) on the left of plane, longitudinal string of pendulum tooth connection seat (11) is set
Have swinging axle (12), swinging axle (12) lower part is equipped with pendulum tooth (13), pendulum tooth (13) the engagement connection transmission gear
(10), it being fixed with moving knife (14) at the top of the swinging axle (12), moving knife (14) cutting edge and stationary knife (3) cutting edge are positioned opposite,
The thread tension disc (5) is located at below moving knife (14), and transmission gear (10) root connects trimming pull rod (16), and the trimming is drawn
The connection of bar (16) other end swings joining beam (17), and swing joining beam (17) the mating connection trimming cam (18), the trimming is drawn
Bar (16), swing joining beam (17), trimming cam (18) forms transmission chain, the trimming cam (18) and trimming electromagnet (19)
Output end connection, and drive moving knife (14) side oscillation to the right to do the linkage of trimming clamp by the movement of trimming electromagnet (19).
2. high trolley flat cutter thread cutting mechanism as described in claim 1, it is characterised in that: under the left side of the needle plate shell (1)
Portion is set there are two thread tension disc mounting hole, and the thread tension disc (5) is fixed on thread tension disc mounting hole by thread tension disc screw (6), described
Thread tension disc mounting hole is waist-shaped hole, and the thread tension disc (5) makees upper and lower position fine tuning by thread tension disc mounting hole.
3. high trolley flat cutter thread cutting mechanism as claimed in claim 1 or 2, it is characterised in that: the elastic piece (3A) passes through riveting
Nail is fixed on needle plate cover board (2) right outside in inner cavity, and stationary knife (3) lower part sets two kidney-shaped screw holes, and the stationary knife (3) passes through
Kidney-shaped screw hole and stationary knife screw (4) are fixed on tool apron (9) lower right-hand side, and do upper and lower position fine tuning by kidney-shaped screw hole.
4. high trolley flat cutter thread cutting mechanism as claimed in claim 3, it is characterised in that: the tool apron (9) is arranged in shuttle race frame
Middle part on the outside of, the transmission gear (10) is arranged on shuttle race frame outer tube, and transmission is equipped in the middle part of the transmission gear (10)
Axle sleeve (15), swinging axle (12) top are equipped with screw hole, and the moving knife (14) is fixed by screws at screw hole.
5. high trolley flat cutter thread cutting mechanism as claimed in claim 4, it is characterised in that: the inner cavity of the needle plate shell (1) is set
The location hook slot (20) of restricted rotating shuttle offers width between plane and needle plate cover board (2) lower plane on the needle plate shell (1)
Degree is rising as high as the banks for 3.5mm, described to rise as high as the banks for the activity space as moving knife (14).
6. high trolley flat cutter thread cutting mechanism as claimed in claim 5, it is characterised in that: the upper plane of the needle plate cover board (2)
Middle part is equipped with a waist type needle plate hole (8), the installation site x of the waist type needle plate hole (8) and stationary knife (3) cutting edge to for 3mm, y to
For 4mm.
7. high trolley flat cutter thread cutting mechanism as claimed in claim 6, it is characterised in that: the moving knife (14) is in hook shape, institute
It states moving knife (14) left front and is equipped with one section of extension hook (22), front position is equipped with an aperture (23) in moving knife (14) left side,
It is tangent line cutting edge (24) that the tangent line cutting edge (24) is semicircle convex surface, the tangent line cutting edge (24) on the left of the aperture (23)
It is higher by plane on knife spine, the separated time crossed beam trunking (21) of spill, the separated time crossed beam trunking are opened up on the right side of the tangent line cutting edge (24)
(21) it is equipped with tangent line on the outside of right end and hooks (25), set the second separated time on the right side of the tangent line hook (25) and hook (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028639.3A CN109537195A (en) | 2019-01-11 | 2019-01-11 | A kind of high trolley flat cutter thread cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910028639.3A CN109537195A (en) | 2019-01-11 | 2019-01-11 | A kind of high trolley flat cutter thread cutting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109537195A true CN109537195A (en) | 2019-03-29 |
Family
ID=65834987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910028639.3A Pending CN109537195A (en) | 2019-01-11 | 2019-01-11 | A kind of high trolley flat cutter thread cutting mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN109537195A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042580A (en) * | 2019-06-04 | 2019-07-23 | 上海博岙机电制造有限公司 | A kind of movable cutter mechanism of the high trolley flat cutter trimming of modified |
| 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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| CN2505499Y (en) * | 2001-11-19 | 2002-08-14 | 卓瑞荣 | Bottom cutter automatic impeller for 'Sanben' transverse cylinder type sewing machine |
| CN202925285U (en) * | 2012-11-21 | 2013-05-08 | 上海富山精密机械科技有限公司 | Industrial-electronic lockstitch-sewing thread cutter structure |
| CN203393433U (en) * | 2013-04-27 | 2014-01-15 | 精机机械厂股份有限公司 | Thread-cutting device of straight cylinder type sewing machine |
| CN107523944A (en) * | 2016-06-20 | 2017-12-29 | 启翔股份有限公司 | Automatic thread cutting device of sewing machine |
| EP3301212A2 (en) * | 2016-09-30 | 2018-04-04 | Chee Siang Industrial Co., Ltd. | Thread trimmer of post-bed sewing machine |
| CN107916506A (en) * | 2016-10-11 | 2018-04-17 | 启翔股份有限公司 | The thread cutter of column type sewing machine |
| CN108866847A (en) * | 2018-09-04 | 2018-11-23 | 上海博岙机电制造有限公司 | A kind of roller sewing machine hot-cutting device |
| CN209568221U (en) * | 2019-01-11 | 2019-11-01 | 上海博岙机电制造有限公司 | A kind of high trolley flat cutter thread cutting mechanism |
-
2019
- 2019-01-11 CN CN201910028639.3A patent/CN109537195A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505499Y (en) * | 2001-11-19 | 2002-08-14 | 卓瑞荣 | Bottom cutter automatic impeller for 'Sanben' transverse cylinder type sewing machine |
| CN202925285U (en) * | 2012-11-21 | 2013-05-08 | 上海富山精密机械科技有限公司 | Industrial-electronic lockstitch-sewing thread cutter structure |
| CN203393433U (en) * | 2013-04-27 | 2014-01-15 | 精机机械厂股份有限公司 | Thread-cutting device of straight cylinder type sewing machine |
| CN107523944A (en) * | 2016-06-20 | 2017-12-29 | 启翔股份有限公司 | Automatic thread cutting device of sewing machine |
| EP3301212A2 (en) * | 2016-09-30 | 2018-04-04 | Chee Siang Industrial Co., Ltd. | Thread trimmer of post-bed sewing machine |
| CN107916506A (en) * | 2016-10-11 | 2018-04-17 | 启翔股份有限公司 | The thread cutter of column type sewing machine |
| CN108866847A (en) * | 2018-09-04 | 2018-11-23 | 上海博岙机电制造有限公司 | A kind of roller sewing machine hot-cutting device |
| CN209568221U (en) * | 2019-01-11 | 2019-11-01 | 上海博岙机电制造有限公司 | A kind of high trolley flat cutter thread cutting mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042580A (en) * | 2019-06-04 | 2019-07-23 | 上海博岙机电制造有限公司 | A kind of movable cutter mechanism of the high trolley flat cutter trimming of modified |
| CN110042580B (en) * | 2019-06-04 | 2023-12-22 | 上海博岙机电制造有限公司 | Improved generation high platform truck flat knife cuts line's movable knife mechanism |
| 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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