CN108796860A - A kind of thread shearing device of sewing machine - Google Patents

A kind of thread shearing device of sewing machine Download PDF

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Publication number
CN108796860A
CN108796860A CN201810996812.4A CN201810996812A CN108796860A CN 108796860 A CN108796860 A CN 108796860A CN 201810996812 A CN201810996812 A CN 201810996812A CN 108796860 A CN108796860 A CN 108796860A
Authority
CN
China
Prior art keywords
thread
plate
sewing machine
shearing device
threaded 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.)
Withdrawn
Application number
CN201810996812.4A
Other languages
Chinese (zh)
Inventor
季锴
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.)
Suzhou Kai Cheng Sewing Device Co Ltd
Original Assignee
Suzhou Kai Cheng Sewing Device 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 Suzhou Kai Cheng Sewing Device Co Ltd filed Critical Suzhou Kai Cheng Sewing Device Co Ltd
Priority to CN201810996812.4A priority Critical patent/CN108796860A/en
Publication of CN108796860A publication Critical patent/CN108796860A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • D05B65/06Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B75/00Frames, stands, tables, or other furniture adapted to carry sewing machines

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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 thread shearing device of sewing machine,Including telescopic outrigger,It is fixed with bottom plate at the top of the telescopic outrigger,The bottom base plate is symmetrically installed with two groups of variable-frequency motors,The first threaded rod is connected with by transmission shaft at the top of the variable-frequency motor,It is connected through a screw thread nut on the outside of first threaded rod,Level is fixedly welded with pressing plate between two nut,The pressing plate bottom is installed with moving knife,Trimming plate is equipped with below the moving knife,Open variable-frequency motor,Variable-frequency motor drives the first threaded rod to rotate clockwise or counter-clockwise,Lift nut can be controlled,And then pressing plate can be controlled and lifted with moving knife,The cutting force generated using moving knife and the touching of quiet knife,The end of a thread is wiped out,The end of a thread cuts convenient,Save labour,By laterally equidistantly digging guide groove in guide plate top surface,It can be overlapped to avoid the end of a thread,It is at random,Influence the effect of the end of a thread cutting,Cause the end of a thread of cutting uneven,To influence beauty.

Description

A kind of thread shearing device of sewing machine
Technical field
The present invention relates to a kind of thread shearing device of sewing machine, belong to sewing machine technique field.
Background technology
Conventional sewing machine is one and connects a ground and connect by the suture not yet cut off and string when operating sewing workpiece, Equal sewings are completed certain amount and then are one by one cut off the sewed product that bunchiness is connected with scissors one by one, this operation Method is since operating personnel still has in addition pick up scissors again and cut one by one, therefore more time-consuming work consuming, it is therefore desirable to one Kind thread shearing device of sewing machine, however existing thread shearing device of sewing machine only has the function of trimming, is cut to sewed cloth After line, the end of a thread can remain on the table, can only by being manually purged to the end of a thread on workbench using sweep-up pipe, if It wipes out and just carries out cleaning work after going offline head, then need just carry out after first stopping sewing work, sewing efficiency is caused to reduce, if It is not carry out clearing up the end of a thread wiped out at the first time, then sewing work can be impacted, and eventually affect sewing matter, Therefore, it is necessary to be further improved.
Invention content
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of thread shearing device of sewing machine, simple in structure, Trimming is efficient, can be adjusted to the height of bottom plate by the way that telescopic outrigger is arranged, can meet different requirements, led to It crosses and digs mounting hole on backing plate, it is convenient that installation is fixed to bottom plate, variable-frequency motor is opened, variable-frequency motor drives the first screw thread Bar rotates clockwise or counter-clockwise, and can control lift nut, and then can control pressing plate and moving knife and lift, using moving knife with The cutting force that quiet knife touching generates, wipes out the end of a thread, and it is convenient that the end of a thread is cut, and labour is saved, by the top of guide plate Surface laterally equidistantly digs guide groove, can be overlapped to avoid the end of a thread, is at random, influencing the effect of the end of a thread cutting, causing the line of cutting It is uneven, to influence beauty, sucktion fan is opened, air-suction cover can suck the end of a thread of cutting at the end of a thread and collect box cavity, line Head cleaning is convenient, can be intercepted to the end of a thread by the way that filter screen is arranged, prevents the end of a thread from winding sucktion fan, influencing equipment makes With can effectively solve the problems in background technology.
In order to solve the above technical problem, the present invention provides the following technical solutions:
A kind of thread shearing device of sewing machine, including telescopic outrigger, the telescopic outrigger top are fixed with bottom plate, the bottom base plate Two groups of variable-frequency motors are symmetrically installed with, the variable-frequency motor top is connected with the first threaded rod, first spiral shell by transmission shaft It is connected through a screw thread nut on the outside of rasp bar, level is fixedly welded with pressing plate between two nut, and the pressing plate bottom is fixed Moving knife is installed, trimming plate is equipped with below the moving knife, and the trimming plate is fixed at the top of bottom plate, the trimming plate one Side is fixed with guide plate, and the guide plate top surface has laterally equidistantly dug guide groove, and peace is fixed in the guide plate side Equipped with air-suction cover, the air-suction cover side is connected with the end of a thread collecting box by inhaling spool perforation, and the end of a thread collecting box is fixed At the top of bottom plate, the end of a thread collecting box side is installed with sucktion fan.
Furthermore, described the end of a thread collects box cavity and is vertically fixed with filter screen close to the side of sucktion fan.
Furthermore, longitudinal at the top of the trimming plate to have dug cutting groove, the cutting groove inner cavity is installed with quiet Knife.
Furthermore, the telescopic outrigger includes thread drum, and the thread drum bottom has been connected through a screw thread Two threaded rods, second threaded rod bottom are fixedly welded with backing plate.
Furthermore, mounting hole has equidistantly been dug on the backing plate, and the mounting hole is equipped with three groups.
Furthermore, the height of the trimming plate be equal to guide groove intracavity bottom to bottom plate top surface it is vertical away from From.
Advantageous effect of the present invention:A kind of thread shearing device of sewing machine according to the present invention, it is simple in structure, trimming is efficient, The height of bottom plate can be adjusted by the way that telescopic outrigger is arranged, different requirements can be met, by backing plate Dig mounting hole, it is convenient that installation is fixed to bottom plate, open variable-frequency motor, variable-frequency motor drive the first threaded rod clockwise or Person rotates counterclockwise, can control lift nut, and then can control pressing plate and be lifted with moving knife, is produced using moving knife and the touching of quiet knife Raw cutting force, wipes out the end of a thread, and it is convenient that the end of a thread is cut, and saves labour, by lateral etc. in guide plate top surface Away from guide groove is dug, it can be overlapped to avoid the end of a thread, is at random, influencing the effect of the end of a thread cutting, causing the end of a thread of cutting uneven, to Beautiful, opening sucktion fan is influenced, air-suction cover can suck the end of a thread of cutting at the end of a thread and collect box cavity, and the end of a thread cleaning is convenient, The end of a thread can be intercepted by the way that filter screen is arranged, prevent the end of a thread from winding sucktion fan, influences equipment use.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is a kind of thread shearing device of sewing machine front view of the present invention.
Fig. 2 is a kind of thread shearing device of sewing machine side view of the present invention.
Fig. 3 is a kind of the end of a thread collecting box sectional view of thread shearing device of sewing machine of the present invention.
Fig. 4 is a kind of trimming plate vertical view of thread shearing device of sewing machine of the present invention.
Fig. 5 is a kind of backing plate vertical view of thread shearing device of sewing machine of the present invention.
Figure label:1, telescopic outrigger;2, bottom plate;3, variable-frequency motor;4, the first threaded rod;5, nut;6, pressing plate;7, it moves Knife;8, trimming plate;9, guide plate;10, guide groove;11, air-suction cover;12, the end of a thread collecting box;13, sucktion fan;14, filter screen; 15, cutting groove;16, thread drum;17, the second threaded rod;18, backing plate;19, mounting hole;20, quiet knife.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As Figure 1-Figure 5, a kind of thread shearing device of sewing machine, including telescopic outrigger 1,1 top of the telescopic outrigger are fixed Equipped with bottom plate 2, the bottom plate 2 has been symmetrically mounted at the bottom of two groups of variable-frequency motors 3, and variable-frequency motor 3 can control the rotation of the first threaded rod 4 Turn, 3 top of the variable-frequency motor is connected with the first threaded rod 4 by transmission shaft, and first threaded rod, 4 outside is connected by screw thread It is connected to nut 5, the rotation of the first threaded rod 4 can control the lifting of nut 5, and level is fixedly welded with pressing plate between two nut 5 6,6 bottom of the pressing plate is installed with moving knife 7, and 7 lower section of the moving knife is equipped with trimming plate 8, and the trimming plate 8 is fixedly installed At 2 top of bottom plate, 8 side of trimming plate is fixed with guide plate 9, and 9 top surface of the guide plate has laterally equidistantly been dug Guide groove 10, setting guide groove 10 can be overlapped to avoid the end of a thread, are at random, influence the effect of the end of a thread cutting, cause the end of a thread of cutting Uneven, 9 side of the guide plate is installed with air-suction cover 11, and 11 side of the air-suction cover is wired by inhaling spool perforation connection Head collecting box 12, and the end of a thread collecting box 12 is fixedly mounted on 2 top of bottom plate, 12 side of the end of a thread collecting box is fixedly mounted There is sucktion fan 13, open sucktion fan 13, air-suction cover 11 can suck the end of a thread of cutting at 12 inner cavity of the end of a thread collecting box, the end of a thread Cleaning is convenient.
12 inner cavity of the end of a thread collecting box is vertically fixed with filter screen 14 close to the side of sucktion fan 13, passes through setting Filter screen 14 can intercept the end of a thread, prevent the end of a thread from winding sucktion fan 13, influence equipment use, and the trimming plate 8 pushes up Portion has longitudinally dug cutting groove 15, and 15 inner cavity of the cutting groove is installed with quiet knife 20, is produced using moving knife 7 and the touching of quiet knife 20 Raw cutting force, wipes out the end of a thread, and it is convenient that the end of a thread is cut, and the telescopic outrigger 1 includes thread drum 16, the screw thread rolling 16 bottoms of cylinder have been connected through a screw thread the second threaded rod 17, and 17 bottom of the second threaded rod is fixedly welded with backing plate 18, rotation The length of telescopic outrigger 1 can be adjusted in second threaded rod 17, and mounting hole 19, and institute have equidistantly been dug on the backing plate 18 It states mounting hole 19 and is equipped with three groups, convenient that installation is fixed to bottom plate 2, the height of the trimming plate 8 is equal to 10 inner cavity of guide groove Bottom can make the end of a thread be in horizontality to the vertical range of 2 top surface of bottom plate, convenient for shearing.
Operation principle of the present invention:The height of bottom plate 2 can be adjusted, can be met not by the way that telescopic outrigger 1 is arranged Same requirement, it is convenient that installation is fixed to bottom plate 2 by digging mounting hole 19 on backing plate 18, open variable-frequency motor 3, variable-frequency motor 3 drives the first threaded rod 4 to rotate clockwise or counter-clockwise, and can control the lifting of nut 5, and then can control Pressing plate 6 is lifted with moving knife 7, and the cutting force generated using moving knife 7 and the touching of quiet knife 20 is wiped out the end of a thread, by being oriented to 9 top surface of plate laterally equidistantly digs guide groove 9, can be overlapped to avoid the end of a thread, is at random, influenced the effect of the end of a thread cutting, cause The end of a thread of cutting is uneven, to influence beauty, opens sucktion fan 13, air-suction cover 11 can suck the end of a thread of cutting the end of a thread receipts 12 inner cavity of header, the end of a thread cleaning is convenient, can be intercepted to the end of a thread by the way that filter screen 14 is arranged, prevents the end of a thread from winding suction air Machine 13 influences equipment use.
It is the preferable embodiment of the present invention above, those skilled in the art in the invention can also be to above-mentioned embodiment party Formula is changed and is changed, and therefore, the invention is not limited in above-mentioned specific implementation mode, every those skilled in the art exist Any conspicuously improved, replacement or modification made by the basis of the present invention all belongs to the scope of protection of the present invention.

Claims (6)

1. a kind of thread shearing device of sewing machine, including telescopic outrigger(1), it is characterised in that:The telescopic outrigger(1)Top is fixed and is set There is bottom plate(2), the bottom plate(2)It has been symmetrically mounted at the bottom of two groups of variable-frequency motors(3), the variable-frequency motor(3)Top passes through biography Moving axis is connected with the first threaded rod(4), first threaded rod(4)Outside has been connected through a screw thread nut(5), two nut (5)Between level be fixedly welded with pressing plate(6), the pressing plate(6)Bottom is installed with moving knife(7), the moving knife(7)Lower section Equipped with trimming plate(8), and the trimming plate(8)It is fixed at bottom plate(2)Top, the trimming plate(8)Side is fixed with Guide plate(9), the guide plate(9)Top surface has laterally equidistantly dug guide groove(10), the guide plate(9)Side is fixed Air-suction cover is installed(11), the air-suction cover(11)Side is connected with the end of a thread collecting box by inhaling spool perforation(12), and it is described The end of a thread collecting box(12)It is fixedly mounted on bottom plate(2)Top, the end of a thread collecting box(12)Side is installed with sucktion fan (13).
2. a kind of thread shearing device of sewing machine according to claim 1, it is characterised in that:The end of a thread collecting box(12)Inner cavity Close to sucktion fan(13)Side be vertically fixed with filter screen(14).
3. a kind of thread shearing device of sewing machine according to claim 1, it is characterised in that:The trimming plate(8)Top is longitudinal Cutting groove is dug(15), the cutting groove(15)Inner cavity is installed with quiet knife(20).
4. a kind of thread shearing device of sewing machine according to claim 1, it is characterised in that:The telescopic outrigger(1)Including spiral shell Line roller(16), the thread drum(16)Bottom has been connected through a screw thread the second threaded rod(17), second threaded rod (17)Bottom is fixedly welded with backing plate(18).
5. a kind of thread shearing device of sewing machine according to claim 1, it is characterised in that:The backing plate(18)On equidistantly dig There is mounting hole(19), and the mounting hole(19)Equipped with three groups.
6. a kind of thread shearing device of sewing machine according to claim 1, it is characterised in that:The trimming plate(8)Height etc. In guide groove(10)Intracavity bottom is to bottom plate(2)The vertical range of top surface.
CN201810996812.4A 2018-08-29 2018-08-29 A kind of thread shearing device of sewing machine Withdrawn CN108796860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810996812.4A CN108796860A (en) 2018-08-29 2018-08-29 A kind of thread shearing device of sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810996812.4A CN108796860A (en) 2018-08-29 2018-08-29 A kind of thread shearing device of sewing machine

Publications (1)

Publication Number Publication Date
CN108796860A true CN108796860A (en) 2018-11-13

Family

ID=64081478

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810996812.4A Withdrawn CN108796860A (en) 2018-08-29 2018-08-29 A kind of thread shearing device of sewing machine

Country Status (1)

Country Link
CN (1) CN108796860A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318175A (en) * 2019-06-29 2019-10-11 沛县谦和纺织有限公司 A kind of clamp cutter device of cotton sewing thread

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110318175A (en) * 2019-06-29 2019-10-11 沛县谦和纺织有限公司 A kind of clamp cutter device of cotton sewing thread

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WW01 Invention patent application withdrawn after publication
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Application publication date: 20181113