CN204780202U - Computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device - Google Patents
Computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device Download PDFInfo
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- CN204780202U CN204780202U CN201520495431.XU CN201520495431U CN204780202U CN 204780202 U CN204780202 U CN 204780202U CN 201520495431 U CN201520495431 U CN 201520495431U CN 204780202 U CN204780202 U CN 204780202U
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- 244000000626 Daucus carota Species 0.000 title abstract description 5
- 235000005770 birds nest Nutrition 0.000 title abstract description 5
- 235000005765 wild carrot Nutrition 0.000 title abstract description 5
- 238000009958 sewing Methods 0.000 claims description 41
- 238000010008 shearing Methods 0.000 claims description 13
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000000284 extract Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 244000273256 Phragmites communis Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device. The purpose is that the the device who provides should be able to control the upper thread end of a thread below 3mm, has the bird's nest of preventing function again to degree of automation is high, work efficiency is high. Technical scheme is: computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device, including the controller of control each mechanism action, its characterized in that the device still including install tension releasing mechanism on the aircraft nose, install blade on the presser foot board, install the side of presser foot board and with the blade cooperation with cut the end of a thread collude line mechanism and be used for absorbing the end of a thread inhale line mechanism.
Description
Technical field
The utility model relates to a kind of computer flat sewing machine servicing unit, and especially automatic shearing is except the end of a thread and the device eliminating Bird's Nest.
Background technology
Computer flat sewing machine is the sewing device (in the equipment of dress ornament manufacturer, computer flat sewing machine occupies more than 75%) had a large capacity and a wide range; But there are two defects in existing computer flat sewing machine: one is also need after computer flat sewing machine automatic shearing manually again to prune long the end of a thread.Two is computer flat sewing machine withdrawals of needle when making, and because the long meeting of upper thread the end of a thread is wrapped in sewing object reverse side, to occur that the stitching of nest like (or being floating bottom line) affects product attractive in appearance.If by the artificial stitching solving nest like, not only operating efficiency is not high, and waste of manpower again.
Utility model content
The purpose of this utility model is the deficiency overcoming above-mentioned background technology, and provide a kind of automatic shearing except the device of sewing the end of a thread, upper thread the end of a thread should be able to control at below 3mm by this device, has again anti-Bird's Nest function, and automaticity is high, operating efficiency is high.
The technical scheme that the utility model provides is: computer flat sewing machine automatic shearing is except the end of a thread and anti-Bird's Nest device, comprise the controller controlling each mechanism action, it is characterized in that this device also comprise the thread releasing mechanism be arranged on head, the blade be arranged on pressure foot, be arranged on pressure foot side and with blades fit to cut off the string-hooking mechanism of the end of a thread and the suction line mechanism for drawing the end of a thread.
Described string-hooking mechanism comprises the line ball reed that reciprocable hooks the crochet hook getting upper thread the end of a thread, the hook line cylinder driving crochet hook motion and cramping upper thread the end of a thread.
Described suction line mechanism comprise overhang the valve of pressure foot side and by tracheae for valve provides the negative pressure source of negative pressure air.
Described blade is horizontally disposed and be shaped with V-arrangement cutting edge, and the opening direction of V-arrangement cutting edge is contrary with the direction of advance of sewing object, and the sewing point that eedle moves up and down then is positioned at the Delta Region of V-arrangement cutting edge institute envelope.
Described thread releasing mechanism comprise be hinged on rotationally on head with extract fixed length sewing thread thread tension releasing lever and drive thread tension releasing lever motion loose ends cylinder.
Operation principle of the present utility model is:
1), before sewing starts, sewing object first to insert on flat seam machine platen 10 and is pushed down by pressure foot; Now, in peg or spindle bottom line the end of a thread and through eedle 2 (from after head is drawn through eedle) upper thread 3 the end of a thread lay respectively at bottom surface and the surface of sewing object;
2) the complete beginning trimming of sewing operation, the moment controller that eedle is lifted sends signal makes hook line cylinder start, hooking advance fast under line air cylinder driven, (during advance, line ball reed unclamps upper thread the end of a thread of last clamping to crochet hook in string-hooking mechanism, then siphon away this upper thread the end of a thread by valve and leave in wiring bucket, in order to avoid stick on fabric) and retreat once, pull back after catching on upper thread the end of a thread to original position, by line ball reed, upper thread the end of a thread is clamped; Electromagnetic valve is opened and is made valve air-breathing simultaneously, is sucked by the other end of upper thread the end of a thread; And when eedle peaks, controller sends signal makes loose ends cylinder start, loose ends cylinder action drives thread tension releasing lever reciprocating rotation in thread releasing mechanism once, to extract the upper thread (one end of upper thread is clamped by line ball reed, and thread releasing mechanism extracts the upper thread of certain length and eedle can be avoided to puncture when making by stretch bending or break) of certain length;
3) sewing is carried out, and eedle moves up and down and carries out puncture and make sewing object simultaneously and move forward, and the cutting edge that the other end of upper thread the end of a thread encounters blade is cut off (the end of a thread of cut-out is still clamped by line ball reed);
4) sew complete by computer flat sewing machine automatic shearing section line and bottom line;
Step 2 repeatedly) to step 3), the work of flat seam machine is carried out continuously.
The beneficial effects of the utility model are: the utility model can remove the end of a thread by automatic shearing, the end of a thread stayed in sewing object can be controlled in about 1.8 ~ 3mm (thickness of pressure foot is generally at about 1.8 ~ 3mm) and substantially meets product the end of a thread length legislations, and then completely eliminates a difficult problem for the insurmountable nest like stitching of existing computer flat sewing machine; Not only greatly improve product quality, and without the need to manual operation, saved cost significantly, contribute to the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model is configured on computer flat sewing machine.
Fig. 2 is the A portion structure for amplifying schematic diagram in Fig. 1.
Fig. 3 is duty schematic perspective view of the present utility model.
Fig. 4 is the B portion structure for amplifying schematic diagram in Fig. 3.
Fig. 5 is the C portion structure for amplifying schematic diagram in Fig. 3.
Fig. 6 is one of combining structure schematic diagram of string-hooking mechanism in the utility model and valve.
Fig. 7 is the combining structure schematic diagram two of string-hooking mechanism in the utility model and valve.
Detailed description of the invention
Further illustrate below in conjunction with embodiment shown in the drawings.
Computer flat sewing machine automatic shearing shown in the drawings, except the end of a thread and anti-Bird's Nest device, comprises controller 16 (the recommendation employing single-chip microcomputer being controlled each mechanism action by data wire conveying signal; Act synergistically with controller original in computer flat sewing machine); This device also comprise the thread releasing mechanism S be arranged on head 1, the blade 7 be arranged on pressure foot 6, be arranged on pressure foot side and with blades fit with cut off the end of a thread string-hooking mechanism R, for drawing the suction line mechanism of the end of a thread.
Described string-hooking mechanism is supported by support 4 (support is fixed on head) and overhangs pressure foot side (display is in tilted layout on head in figure); Wherein, crochet hook 11 can along the guide rail movement on support, and the front end of crochet hook and pressure foot keep certain spacing; The piston rod 13-1 hooking line cylinder 13 is fixed by contiguous block and crochet hook, hooks the startup of line cylinder and then can drive crochet hook reciprocating motion; Further, the track that crochet hook moves forward should be interfered with the movement locus of eedle, is beneficial to hook in time get upper thread the end of a thread.
In described suction line mechanism, valve 5 is also supported by support, and keeps certain spacing (concrete spacing can be determined as required) with pressure foot.Visible in Fig. 7: crochet hook is sandwiched in the centre of line ball reed 12 (being that 2 reeds are formed by stacking as seen in figure) and valve, and the suction hole 5-1 of valve abuts in the back side of crochet hook; Like this, when crochet hook hooks line taking head retraction, can exactly the end of a thread be sent in suction hole.Negative pressure source (omitting in figure) then by tracheae for valve provides negative pressure air.
Visible in Fig. 5: blade 7 is positioned at presser feet top; This blade is horizontally disposed and be shaped with V-arrangement cutting edge 7-1, and the opening direction of V-arrangement cutting edge is contrary with the direction of advance of sewing object, and the sewing point that eedle moves up and down then is positioned at the Delta Region of V-arrangement cutting edge institute envelope; Like this, sewing object during sewing just can drive fabric the end of a thread to hit V-arrangement cutting edge, thus obtains the effect of section stockline head.
In described thread releasing mechanism: thread tension releasing lever 8 is hinged on head rotationally, loose ends cylinder 9 moves for driving thread tension releasing lever.Visible in Fig. 4: thread tension releasing lever is hinged on bearing by thread tension releasing lever rod 8-1, thread tension releasing lever rod is fixed a fork 8-2, the contiguous block 8-3 that loose ends cylinder piston rod front end is fixed passes through hinge with fork again; Obviously, loose ends cylinder starts, and thread tension releasing lever is just driven around thread tension releasing lever rod axis oscillating; The sewing thread (upper thread) penetrating thread tension releasing lever bottom air ring 8-5 is naturally stretched and extracts certain length (quantity); Regulate the length of thread tension releasing lever or the traverse of piston rod, just the extraction length of adjustable sewing thread.
Described loose ends cylinder and the compressed air hooked needed for line cylinder are provided by air pump; Described negative pressure source is then formed by vacuum valve (buyable) conversion by compressed air.
The order of work of above-mentioned each mechanism controls by controller; Further, the motor performance of each cylinder is realized by electromagnetic valve switch gas circuit.
The utility model is suitable for all kinds of computer flat sewing machine in Clothing Industry.
Claims (5)
1. computer flat sewing machine automatic shearing is except the end of a thread and anti-Bird's Nest device, comprise the controller controlling each mechanism action, it is characterized in that this device also comprise the thread releasing mechanism (S) be arranged on head (1), the blade (7) be arranged on pressure foot, be arranged on pressure foot (6) side and with blades fit to cut off the string-hooking mechanism (R) of the end of a thread and the suction line mechanism for drawing the end of a thread.
2. computer flat sewing machine automatic shearing according to claim 1 is except the end of a thread and anti-Bird's Nest device, it is characterized in that: described string-hooking mechanism comprises the line ball reed (12) that reciprocable hooks the crochet hook (11) getting upper thread the end of a thread, the hook line cylinder (13) driving crochet hook motion and cramping upper thread the end of a thread.
3. computer flat sewing machine automatic shearing according to claim 1 and 2 is except the end of a thread and anti-Bird's Nest device, it is characterized in that: described suction line mechanism comprise overhang the valve (5) of pressure foot side and by tracheae for valve provides the negative pressure source of negative pressure air.
4. computer flat sewing machine automatic shearing according to claim 3 is except the end of a thread and anti-Bird's Nest device, it is characterized in that: described blade is horizontally disposed and be shaped with V-arrangement cutting edge (7-1), the opening direction of V-arrangement cutting edge is contrary with the direction of advance of sewing object, and the sewing point that eedle moves up and down then is positioned at the Delta Region of V-arrangement cutting edge institute envelope.
5. computer flat sewing machine automatic shearing according to claim 4 is except the end of a thread and anti-Bird's Nest device, it is characterized in that: described thread releasing mechanism comprises and being hinged on rotationally on head with the thread tension releasing lever (8) extracting fixed length sewing thread and the loose ends cylinder (9) driving thread tension releasing lever to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495431.XU CN204780202U (en) | 2015-07-08 | 2015-07-08 | Computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495431.XU CN204780202U (en) | 2015-07-08 | 2015-07-08 | Computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device |
Publications (1)
| Publication Number | Publication Date |
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| CN204780202U true CN204780202U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520495431.XU Expired - Fee Related CN204780202U (en) | 2015-07-08 | 2015-07-08 | Computer flush joint machine is automatic to be cutd off end of a thread and prevents bird's nest device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908398A (en) * | 2016-06-29 | 2016-08-31 | 广东溢达纺织有限公司 | Automatic edge control sewing machine and automatic edge control sewing method |
| CN106120189A (en) * | 2016-08-31 | 2016-11-16 | 苏州市正步机器制造有限公司 | Can automatic shearing and prune the computer long-stitch sew-machine head of the end of a thread and control method thereof |
| CN106283423A (en) * | 2016-08-26 | 2017-01-04 | 杰克缝纫机股份有限公司 | A kind of sewing machine and hook line secant method |
| CN106350949A (en) * | 2016-11-29 | 2017-01-25 | 浙江中捷缝纫科技有限公司 | Upper-thread cutting mechanism of sewing machine |
| CN106400338A (en) * | 2016-11-22 | 2017-02-15 | 潘卫辉 | Crochet device for computerized quilting machine and working method of crochet device |
| CN106436073A (en) * | 2016-11-29 | 2017-02-22 | 浙江中捷缝纫科技有限公司 | Bottom and upper thread shearing structure of sewing machine |
| CN107574590A (en) * | 2017-10-12 | 2018-01-12 | 杰克缝纫机股份有限公司 | A kind of two-needle sewing machine |
| CN108130661A (en) * | 2017-12-26 | 2018-06-08 | 方琳 | The control method of section line apparatus, sewing machine and sewing machine |
| CN108193389A (en) * | 2018-02-01 | 2018-06-22 | 莱州远好机械科技有限公司 | The control method of section line apparatus, sewing machine and sewing machine |
| CN111041717A (en) * | 2019-12-27 | 2020-04-21 | 西安标准工业股份有限公司 | Control method of rear suction type bird-nest-free device |
| WO2021208319A1 (en) * | 2020-04-17 | 2021-10-21 | 浙江沪龙科技股份有限公司 | Air-blowing bird's nest prevention device and use method |
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2015
- 2015-07-08 CN CN201520495431.XU patent/CN204780202U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908398B (en) * | 2016-06-29 | 2019-05-31 | 广东溢达纺织有限公司 | Automatic control bind in sewing machine and automatic control |
| CN105908398A (en) * | 2016-06-29 | 2016-08-31 | 广东溢达纺织有限公司 | Automatic edge control sewing machine and automatic edge control sewing method |
| CN106283423A (en) * | 2016-08-26 | 2017-01-04 | 杰克缝纫机股份有限公司 | A kind of sewing machine and hook line secant method |
| CN106120189A (en) * | 2016-08-31 | 2016-11-16 | 苏州市正步机器制造有限公司 | Can automatic shearing and prune the computer long-stitch sew-machine head of the end of a thread and control method thereof |
| CN106120189B (en) * | 2016-08-31 | 2022-03-04 | 苏州市正步机器制造有限公司 | Computer quilter head capable of automatically cutting thread and trimming thread end and control method thereof |
| CN106400338A (en) * | 2016-11-22 | 2017-02-15 | 潘卫辉 | Crochet device for computerized quilting machine and working method of crochet device |
| CN106350949A (en) * | 2016-11-29 | 2017-01-25 | 浙江中捷缝纫科技有限公司 | Upper-thread cutting mechanism of sewing machine |
| CN106436073A (en) * | 2016-11-29 | 2017-02-22 | 浙江中捷缝纫科技有限公司 | Bottom and upper thread shearing structure of sewing machine |
| CN106436073B (en) * | 2016-11-29 | 2023-02-03 | 浙江中捷缝纫科技有限公司 | Thread cutting structure of bottom thread of sewing machine |
| CN107574590A (en) * | 2017-10-12 | 2018-01-12 | 杰克缝纫机股份有限公司 | A kind of two-needle sewing machine |
| CN107574590B (en) * | 2017-10-12 | 2020-06-12 | 杰克缝纫机股份有限公司 | A double needle sewing machine |
| CN108130661A (en) * | 2017-12-26 | 2018-06-08 | 方琳 | The control method of section line apparatus, sewing machine and sewing machine |
| CN108193389A (en) * | 2018-02-01 | 2018-06-22 | 莱州远好机械科技有限公司 | The control method of section line apparatus, sewing machine and sewing machine |
| CN111041717A (en) * | 2019-12-27 | 2020-04-21 | 西安标准工业股份有限公司 | Control method of rear suction type bird-nest-free device |
| WO2021208319A1 (en) * | 2020-04-17 | 2021-10-21 | 浙江沪龙科技股份有限公司 | Air-blowing bird's nest prevention device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |