CN111270401A - Novel scissors device and working control method thereof - Google Patents

Novel scissors device and working control method thereof Download PDF

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Publication number
CN111270401A
CN111270401A CN202010175076.3A CN202010175076A CN111270401A CN 111270401 A CN111270401 A CN 111270401A CN 202010175076 A CN202010175076 A CN 202010175076A CN 111270401 A CN111270401 A CN 111270401A
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China
Prior art keywords
scissors
pressing
movable
rod
yarn
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CN202010175076.3A
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Chinese (zh)
Inventor
兰永亮
陶春明
兰永强
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Zhejiang Ruifeng Intelligent Technology Co ltd
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Zhejiang Ruifeng Intelligent Technology Co ltd
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Application filed by Zhejiang Ruifeng Intelligent Technology Co ltd filed Critical Zhejiang Ruifeng Intelligent Technology Co ltd
Priority to CN202010175076.3A priority Critical patent/CN111270401A/en
Publication of CN111270401A publication Critical patent/CN111270401A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B15/00Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54Thread guides
    • D04B15/56Thread guides for flat-bed knitting machines
    • D04B15/565Associated thread-clamping or thread-severing devices

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention mainly relates to a novel scissor device which comprises a scissor frame, wherein a rotating shaft is movably arranged on the scissor frame, scissors, a movable sheet and a pressing sheet are sequentially arranged on the rotating shaft, and the rotating shaft can drive the scissors to rotate; the movable piece is movably arranged between the pressing piece and the scissors, an opening is formed in the end part of the pressing piece, the opening is a wire pressing opening, and the movable piece can rotate relative to the pressing piece; the movable sheet is connected with a first connecting rod mechanism and is connected with a first driving shaft through the first connecting rod mechanism; two sides of the movable sheet are respectively matched with the yarn pressing ports, so that the independent yarn pressing control of various yarns is realized; the rotating shaft is connected with a second connecting rod mechanism, and the rotating shaft is connected with a second driving shaft through the second connecting rod mechanism; a hook knife is slidably arranged on the side edge of the scissor rack; the second driving shaft can simultaneously control and drive the scissors and the hook knife to move and work. This design simple structure, ingenious, control is stable, can carry out line ball control alone to multiple yarn, when multiple yarn switches, need not work a telephone switchboard again, improves work efficiency.

Description

Novel scissors device and working control method thereof
Technical Field
The invention relates to a novel scissors device and a working control method thereof, belonging to the technical field of knitting machinery.
Background
The flat knitting machine is used for knitting articles such as gloves and socks, a scissors device is arranged in the flat knitting machine and used for cutting yarns, the scissors device comprises scissors and a hook knife, the scissors and the hook knife need to be matched with each other to complete the work, and the existing scissors device is complex in control structure and unstable in control; when the scissors and the hook knife work in a matching way, the scissors and the hook knife also need to be assisted by a thread pressing mechanism, the thread pressing mechanism is used for pressing the yarns to prevent the yarns from jumping after being cut, and if the yarns jump, the yarns need to be connected in series again, which is very troublesome; when the yarn pressing mechanism works, the yarn is pressed by the yarn pressing mechanism firstly, then the yarn is cut by the scissors, and the yarn is still pressed by the yarn pressing mechanism after being cut, so that the yarn can be continuously woven for use subsequently.
The existing line pressing mechanism has a complex structure, and the line pressing mechanism can only press one kind of yarn or can only press and release a plurality of kinds of yarns at the same time, and cannot be controlled independently; when subsequent weaving, when multiple yarns need to be switched, the yarns can only be switched through rewiring, and the working efficiency is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a novel scissors device and a working control method thereof, the design structure is simple and ingenious, the control is stable, the individual yarn pressing control can be carried out on various yarns, the rewiring is not needed when the various yarns are switched, and the working efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel scissor device comprises a scissor frame, wherein a rotating shaft is movably arranged on the scissor frame, scissors, a movable sheet and a pressing sheet are sequentially arranged on the rotating shaft, and the rotating shaft can drive the scissors to rotate so as to cut yarns; the movable piece is movably arranged between the pressing piece and the scissors, an opening is formed in the end part of the pressing piece, the opening is a wire pressing opening, and the movable piece can rotate relative to the pressing piece; the movable sheet is connected with a first connecting rod mechanism, and the movable sheet is connected with a first driving shaft through the first connecting rod mechanism to realize the rotation control of the movable sheet; when the movable piece rotates, two sides of the movable piece are respectively matched with the yarn pressing ports, so that the independent yarn pressing control of various yarns is realized;
the rotating shaft is connected with a second connecting rod mechanism, and the rotating shaft is connected with a second driving shaft through the second connecting rod mechanism so as to realize the rotation of the scissors; a hook knife is slidably mounted on the side edge of the scissor rack and is in shaft connection fit with the second driving shaft; the second driving shaft can simultaneously control and drive the scissors and the hook knife to move and work.
When the movable sheet rotates leftwards relative to the pressing sheet, the left side of the movable sheet is matched with the line pressing port to realize left line pressing; when the movable sheet rotates rightwards relative to the pressing sheet, the right side of the movable sheet is matched with the line pressing port to realize right-side line pressing; when the movable piece and the line pressing port of the pressing piece are completely covered and overlapped, the two sides of the movable piece can simultaneously press the yarns.
The scissors frame is provided with a positioning pin, the movable sheet is provided with a limiting groove, the limiting groove is matched with the positioning pin, and the limiting groove is used for limiting the rotating movable range of the movable sheet; the pressing sheet is fixedly arranged and is matched with the rotating shaft and the positioning pin respectively to realize fixation.
The two sides of the movable sheet are provided with inner notches, and the inner notches on the two sides of the movable sheet are respectively matched with the line pressing ports to realize line pressing on the two sides of the movable sheet.
The movable plate end part is of an arrow-shaped structure, the opening part of the line pressing port is connected with a V-shaped line inlet channel, and the arrow-shaped structure is vertically matched with the line inlet channel to form two line inlets which can play a role in guiding the line pressing lines on two sides.
Another pressing sheet is arranged between the movable sheet and the scissors.
The first connecting rod mechanism comprises a driving rod and a first control rod, the driving rod is rotatably installed on the scissor holder, one end of the driving rod is connected with the movable piece, the other end of the driving rod is connected with the first control rod, and the first control rod is installed on the first driving shaft.
The scissors comprise an upper blade and a lower blade, the upper blade is a movable blade, the rotating shaft drives the upper blade to move, and the upper blade and the lower blade are matched to realize shearing.
The second connecting rod mechanism comprises a rotating rod, a transmission rod and a second control rod, the transmission rod is rotatably arranged on the scissor rack, the rotating shaft is connected with the rotating rod, the other end of the rotating rod is connected with the transmission rod, the other end of the transmission rod is connected with the second control rod in a matching manner, and the second control rod is arranged on a second driving shaft; one end of the transmission rod connected with the rotating rod is provided with a tension spring, the other end of the tension spring is connected with the shear shank, and the tension spring is used for resetting after the scissors rotate to cut the yarns.
The second control rod is provided with a control groove, a convex rod is arranged on the transmission rod and matched with the second control rod, the convex rod is installed in a matched mode with the control groove, the control groove is used for achieving delayed operation of the scissors, namely the scissors cut yarns when the hooking knives complete hooking yarns, and the hooking knives and the scissors are matched and controlled.
The second driving shaft drives the hooking knife to slide up and down through the scissors torsional spring, and therefore yarn hooking is achieved.
The scissors frame on be equipped with spacing pipe, spacing pipe is used for restricting the home range of scissors torsional spring, and then the restriction colludes the sliding range of sword.
A working control method of a novel scissors device comprises the following steps:
1. the driving device drives a second driving shaft, the second driving shaft drives the hooking cutter to slide upwards through a torsional spring of the scissors to hook yarns, (at the moment, because a certain distance exists between a control groove on the second control rod and the convex rod in the second connecting rod mechanism, the scissors cannot work);
2. after the hook knife hooks the yarn, the second driving shaft drives the hook knife to slide downwards, and the hook knife drives the yarn to pull downwards;
3. when the hooking knife drives the yarn to pull down the hooked yarn, the driving device drives the first driving shaft, and the first driving shaft controls the movable piece to rotate through the first connecting rod mechanism to realize one-side yarn pressing;
4. after the yarn hooking of the hooking knife is finished, the second driving shaft still continues to move, the control groove is in contact with the convex rod at the moment, and through the linkage of the second connecting rod mechanism, when the movable piece finishes yarn pressing, the scissors cut the yarn;
5. the steps are repeated, and the independent yarn pressing control of two kinds of yarns can be realized by utilizing the inner notches on the two sides of the movable sheet;
6. the rotary movable sheet is controlled by the first driving shaft as required, the yarns to be used are released, the yarns can continue to participate in weaving, the yarns which are not used temporarily on the other side are still pressed by the movable sheet, no wire jumping occurs, and the yarn is convenient to use again subsequently.
The invention has the following beneficial effects:
1. a novel scissor device comprises a scissor frame, wherein a rotating shaft is movably arranged on the scissor frame, scissors, a movable sheet and a pressing sheet are sequentially arranged on the rotating shaft, and the rotating shaft can drive the scissors to rotate so as to cut yarns; the movable piece is movably arranged between the pressing piece and the scissors, an opening is formed in the end part of the pressing piece, the opening is a wire pressing opening, and the movable piece can rotate relative to the pressing piece; the movable sheet is connected with a first connecting rod mechanism, and the movable sheet is connected with a first driving shaft through the first connecting rod mechanism to realize the rotation control of the movable sheet; when the movable piece rotates, two sides of the movable piece are respectively matched with the yarn pressing ports, so that the independent yarn pressing control of various yarns is realized;
the rotating shaft is connected with a second connecting rod mechanism, and the rotating shaft is connected with a second driving shaft through the second connecting rod mechanism so as to realize the rotation of the scissors; a hook knife is slidably mounted on the side edge of the scissor rack and is in shaft connection fit with the second driving shaft; the second driving shaft can simultaneously control and drive the scissors and the hook knife to move and work. This design simple structure, ingenious, control is stable, can carry out line ball control alone to multiple yarn, when multiple yarn switches, need not work a telephone switchboard again, improves work efficiency.
2. The movable piece tip is arrow point shape structure, and line ball mouth opening part is connected with the inlet wire passageway of V-arrangement, and arrow point shape structure piles up the cooperation from top to bottom with the inlet wire passageway to form two inlet wire mouths, the inlet wire mouth can play the guide effect for both sides line ball, makes things convenient for the yarn to get into the line ball mouth.
3. Another pressing piece is arranged between the movable piece and the scissors, the pressing piece, the movable piece and the pressing piece are sequentially arranged, so that the pressing line is further guaranteed to be firm.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view from another perspective of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is a perspective view of the wire crimping mechanism of the present invention;
FIG. 5 is an exploded view of FIG. 4 in accordance with the present invention;
fig. 6 is a perspective view of another view of the wire pressing mechanism of the present invention.
Reference numbers in the figures: 1. a scissor rack; 11. a rotating shaft; 12. a first drive shaft; 13. a second drive shaft; 14. positioning pins; 15. a limiting pipe; 16. a tension spring; 2. scissors; 21. an upper blade; 22. a lower blade; 3. a movable plate; 31. a limiting groove; 32. an inner recess; 33. an arrow-shaped structure; 4. tabletting; 41. a wire pressing port; 42. a wire inlet channel; 5. a first link mechanism; 51. a deflector rod; 52. a first control rod; 6. a second link mechanism; 61. a rotating rod; 62. a transmission rod; 621. a nose bar; 63. a second control rod; 631. a control slot; 7. hooking a cutter; 8. a wire inlet; 9. scissors torsional spring.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a novel scissors device comprises a scissors frame 1, a rotating shaft 11 is movably arranged on the scissors frame 1, scissors 2, a movable piece 3 and a pressing piece 4 are sequentially arranged on the rotating shaft 11, and the rotating shaft 11 can drive the scissors 2 to rotate so as to cut yarns; the movable sheet 3 is movably arranged between the pressing sheet 4 and the scissors 2, an opening is arranged at the end part of the pressing sheet 4, the opening is a line pressing port 41, and the movable sheet 3 can rotate relative to the pressing sheet 4; the movable sheet 3 is connected with a first connecting rod mechanism 5, and the movable sheet 3 is connected with a first driving shaft 12 through the first connecting rod mechanism 5 to realize the rotation control of the movable sheet 3; when the movable piece 3 rotates, two sides of the movable piece 3 are respectively matched with the yarn pressing ports 41, so that the independent yarn pressing control of various yarns is realized;
the rotating shaft 11 is connected with a second connecting rod mechanism 6, and the rotating shaft 11 is connected with a second driving shaft 13 through the second connecting rod mechanism 6, so that the scissors 2 can rotate; a hook knife 7 is slidably mounted on the side edge of the scissor rack 1, and the hook knife 7 is connected and matched with a second driving shaft 13; the second driving shaft 13 can simultaneously control the scissors 2 and the hook knife 7 to move and work. This design simple structure, ingenious, control is stable, can carry out line ball control alone to multiple yarn, when multiple yarn switches, need not work a telephone switchboard again, improves work efficiency.
When the movable plate 3 rotates leftwards relative to the pressing plate 4, the left side of the movable plate 3 is matched with the wire pressing port 41 to realize left-side wire pressing; when the movable sheet 3 rotates rightwards relative to the pressing sheet 4, the right side of the movable sheet 3 is matched with the line pressing port 41 to press lines on the right side; when the movable piece 3 and the yarn pressing opening 41 of the pressing piece 4 are completely overlapped, both sides of the movable piece 3 can simultaneously press the yarns.
When the automatic yarn pressing machine works, the hooking knife 7 hooks the yarn A, the movable sheet 3 is controlled to rotate leftwards, the yarn A is pressed in the yarn pressing opening 41 by the left side of the movable sheet 3, the yarn A is cut off by the scissors 2, then the yarn B is hooked by the hooking knife 7, the movable sheet 3 is controlled to rotate rightwards, the yarn B is pressed in the yarn pressing opening 41 by the right side of the movable sheet 3, and the yarn B is cut off by the scissors 2; the movable piece 3 slightly rotates, when the movable piece 3 and the yarn pressing opening 41 are completely covered and overlapped, A, B yarns are respectively pressed on two sides of the movable piece 3, finally the movable piece 3 is controlled to rotate according to needs, the yarns needing to be used are released, knitting work can be continued, the yarns which are not used on the other side temporarily are still pressed, no yarn jumping occurs, and follow-up reuse is facilitated (the yarns A and B are convenient for distinguishing and describing).
Referring to fig. 5, a positioning pin 14 is provided on the scissor holder 1, a limiting groove 31 is provided on the movable blade 3, the limiting groove 31 is installed in cooperation with the positioning pin 14, and the limiting groove 31 is used for limiting the rotation range of the movable blade 3; the pressing sheet 4 is fixedly arranged, and the pressing sheet 4 is matched with the rotating shaft 11 and the positioning pin 14 respectively to realize fixation.
The two sides of the movable piece 3 are provided with inner notches 32, and when the movable piece 3 is rotated, the inner notches 32 on the two sides of the movable piece 3 are respectively matched with the line pressing notches 41, so that line pressing on the two sides of the movable piece 3 is realized.
The tip of the movable plate 3 is an arrow-shaped structure 33, the opening of the line pressing port 41 is connected with a V-shaped line inlet channel 42, the arrow-shaped structure 33 and the line inlet channel 42 are vertically stacked and matched, so that two line inlets 8 are formed, the line inlets 8 can play a role in guiding lines on two sides, and yarns can conveniently enter the line pressing port 41.
As shown in fig. 6, another pressing piece 4 is arranged between the movable piece 3 and the scissors 2, the pressing piece 4, the movable piece 3 and the pressing piece 4 are sequentially installed, so as to further ensure firm pressing of the wire.
As shown in fig. 1, the first link mechanism 5 includes a shift lever 51 and a first control lever 52, the shift lever 51 is rotatably mounted on the scissor rack 1, one end of the shift lever 51 is connected to the movable plate 3, the other end of the shift lever 51 is connected to the first control lever 52, and the first control lever 52 is mounted on the first driving shaft 12; in operation, the driving device drives the first driving shaft 12 to drive the first control rod 52 to rotate, and the first control rod 52 drives the shift lever 51 to realize rotation control of the movable plate 3 and realize line pressing.
Referring to fig. 6, the scissors 2 include an upper blade 21 and a lower blade 22, the upper blade 21 is a movable blade, the rotating shaft 11 drives the upper blade 21 to move, and the upper blade 21 and the lower blade 22 cooperate to realize cutting.
As shown in fig. 1, the second link mechanism 6 includes a rotating rod 61, a transmission rod 62 and a second control rod 63, the transmission rod 62 is rotatably mounted on the scissor rack 1, the rotating shaft 11 is connected with the rotating rod 61, the other end of the rotating rod 61 is connected with the transmission rod 62, the other end of the transmission rod 62 is connected with the second control rod 63 in a matching manner, and the second control rod 63 is mounted on the second driving shaft 13; during operation, the driving device drives the second driving shaft 13 to further drive the second control rod 63 to rotate, the second control rod 63 drives the transmission rod 62, the transmission rod 62 drives the rotating rod 61 to rotate, and the rotating rod 61 drives the rotating shaft 11 to further realize rotation of the scissors 2.
As shown in fig. 3, a control groove 631 is formed in the second control rod 63, a protruding rod 621 is arranged at the matching end of the second control rod 63 on the transmission rod 62, the protruding rod 621 is installed in cooperation with the control groove 631, the second driving shaft 13 can simultaneously control and drive the scissors 2 and the hook knife 7 to move, and the control groove 631 is used for realizing time-delay work of the scissors 2, that is, the hook knife 7 finishes hooking yarn and the scissors 2 cut yarn at the same time, so that matching control is realized; second drive shaft 13 drives the in-process that colludes 7 colludes the yarn of colluding the sword, has certain contact distance between control groove 631 of two 63 control levers and the nose bar 621, and scissors 2 is in off-working condition, colludes 7 when accomplishing colluding the yarn of sword, and control groove 631 and the contact of nose bar 621, and then control drives scissors 2 and realizes cutting the yarn.
The scissors torsional spring 9 is connected between the hooking knife 7 and the second driving shaft 13, and the second driving shaft 13 drives the hooking knife 7 to slide up and down through the scissors torsional spring 9 to realize yarn hooking.
The scissor rack 1 is provided with a limiting pipe 15, and the limiting pipe 15 is used for limiting the moving range of the scissor torsion spring 9 and further limiting the sliding range of the hook knife 7.
One end of the transmission rod 62 connected with the rotating rod 61 is provided with a tension spring 16, the other end of the tension spring 16 is connected with the scissor rack 1, and the tension spring 16 is used for resetting after the scissors 2 rotate to cut the yarn.
The specific working control method comprises the following steps:
1. the driving device drives the second driving shaft 13, the second driving shaft 13 drives the hooking knife 7 to slide upwards through the scissors torsion spring 9 to hook yarns, (at this time, because a certain distance exists between the control groove 631 on the second control rod 63 and the convex rod 621 in the second link mechanism 6, the scissors 2 cannot work);
2. after the hook knife 7 hooks the yarn, the second driving shaft 13 drives the hook knife 7 to slide downwards, and the hook knife 7 drives the yarn to pull downwards;
3. when the hooking knife 7 drives the yarn to pull down the hooked yarn, the driving device drives the first driving shaft 12, and the first driving shaft 12 controls the movable sheet 3 to rotate through the first connecting rod mechanism 5 to press the yarn on one side;
4. after the yarn hooking of the yarn hooking knife 7 is finished, the second driving shaft 13 still continues to move, at the moment, the control groove 631 is in contact with the convex rod 621, and through the linkage of the second link mechanism 6, when the movable piece 3 finishes yarn pressing, the scissors 2 cut yarn;
5. the steps are repeated, and the independent yarn pressing control of two yarns can be realized by utilizing the inner notches 32 on the two sides of the movable sheet 3;
6. the rotating movable sheet 3 is controlled by the first driving shaft 12 as required, the yarns to be used are released, the yarns can continue to participate in weaving, the yarns which are not used temporarily on the other side are still pressed by the movable sheet 3, and therefore wire jumping is avoided, and subsequent reuse is facilitated.

Claims (13)

1. The utility model provides a novel scissors device, includes the scissors frame, the scissors frame is gone up the activity and is equipped with pivot, its characterized in that: the rotating shaft is sequentially provided with a pair of scissors, a movable piece and a pressing piece, and the rotating shaft can drive the scissors to rotate so as to cut yarns; the movable piece is movably arranged between the pressing piece and the scissors, an opening is formed in the end part of the pressing piece, the opening is a wire pressing opening, and the movable piece can rotate relative to the pressing piece; the movable sheet is connected with a first connecting rod mechanism, and the movable sheet is connected with a first driving shaft through the first connecting rod mechanism to realize the rotation control of the movable sheet; when the movable piece rotates, two sides of the movable piece are respectively matched with the yarn pressing ports, so that the independent yarn pressing control of various yarns is realized;
the rotating shaft is connected with a second connecting rod mechanism, and the rotating shaft is connected with a second driving shaft through the second connecting rod mechanism so as to realize the rotation of the scissors; a hook knife is slidably mounted on the side edge of the scissor rack and is in shaft connection fit with the second driving shaft; the second driving shaft can simultaneously control and drive the scissors and the hook knife to move and work.
2. A novel scissor assembly according to claim 1, wherein: when the movable sheet rotates leftwards relative to the pressing sheet, the left side of the movable sheet is matched with the line pressing port to realize left line pressing; when the movable sheet rotates rightwards relative to the pressing sheet, the right side of the movable sheet is matched with the line pressing port to realize right-side line pressing; when the movable piece and the line pressing port of the pressing piece are completely covered and overlapped, the two sides of the movable piece can simultaneously press the yarns.
3. A novel scissor assembly according to claim 1, wherein: the scissor rack is provided with a positioning pin, the movable sheet is provided with a limiting groove, the limiting groove is matched with the positioning pin, and the limiting groove is used for limiting the rotating movable range of the movable sheet; the pressing sheet is fixedly arranged and is matched with the rotating shaft and the positioning pin respectively to realize fixation.
4. A novel scissors device according to claim 1 or 2, characterised in that: the two sides of the movable piece are provided with inner notches, and the inner notches on the two sides of the movable piece are respectively matched with the line pressing ports to realize line pressing on the two sides of the movable piece.
5. A novel scissors device according to claim 1 or 2, characterised in that: the movable plate end is an arrow-shaped structure, the opening of the line pressing port is connected with a V-shaped line inlet channel, and the arrow-shaped structure is matched with the line inlet channel up and down to form two line inlets which can play a role in guiding the line pressing lines on two sides.
6. A novel scissor assembly according to claim 1, wherein: another pressing sheet is arranged between the movable sheet and the scissors.
7. A novel scissor assembly according to claim 1, wherein: the first connecting rod mechanism comprises a driving rod and a first control rod, the driving rod is rotatably installed on the scissor holder, one end of the driving rod is connected with the movable piece, the other end of the driving rod is connected with the first control rod, and the first control rod is installed on the first driving shaft.
8. A novel scissor assembly according to claim 1, wherein: the scissors comprise an upper blade and a lower blade, the upper blade is a movable blade, the rotating shaft drives the upper blade to move, and the upper blade and the lower blade are matched to realize shearing.
9. A novel scissor assembly according to claim 1, wherein: the second connecting rod mechanism comprises a rotating rod, a transmission rod and a second control rod, the transmission rod is rotatably arranged on the scissor rack, the rotating shaft is connected with the rotating rod, the other end of the rotating rod is connected with the transmission rod, the other end of the transmission rod is connected with the second control rod in a matching manner, and the second control rod is arranged on a second driving shaft; one end of the transmission rod connected with the rotating rod is provided with a tension spring, the other end of the tension spring is connected with the shear shank, and the tension spring is used for resetting after the scissors rotate to cut the yarns.
10. A novel scissor assembly according to claim 9, wherein: and a control groove is formed in the second control rod, a convex rod is arranged on the transmission rod and matched with the second control rod, the convex rod is installed in a matched mode with the control groove, the control groove is used for achieving delayed operation of the scissors, namely the scissors cut yarns when the hooking knives complete hooking yarns, and the hooking knives and the scissors are matched and controlled.
11. A novel scissor assembly according to claim 1, wherein: the scissors torsional spring is connected between the hooking knife and the second driving shaft, and the second driving shaft drives the hooking knife to slide up and down through the scissors torsional spring to realize yarn hooking.
12. A novel scissor assembly according to claim 11, wherein: be equipped with spacing pipe on the scissors frame, spacing pipe is used for restricting the home range of scissors torsional spring, and then the restriction colludes the sliding range of sword.
13. A working control method of a novel scissors device is characterized by comprising the following steps:
1. the driving device drives a second driving shaft, the second driving shaft drives the hooking cutter to slide upwards through a torsional spring of the scissors to hook yarns, (at the moment, because a certain distance exists between a control groove on the second control rod and the convex rod in the second connecting rod mechanism, the scissors cannot work);
2. after the hook knife hooks the yarn, the second driving shaft drives the hook knife to slide downwards, and the hook knife drives the yarn to pull downwards;
3. when the hooking knife drives the yarn to pull down the hooked yarn, the driving device drives the first driving shaft, and the first driving shaft controls the movable piece to rotate through the first connecting rod mechanism to realize one-side yarn pressing;
4. after the yarn hooking of the hooking knife is finished, the second driving shaft still continues to move, the control groove is in contact with the convex rod at the moment, and through the linkage of the second connecting rod mechanism, when the movable piece finishes yarn pressing, the scissors cut the yarn;
5. the steps are repeated, and the independent yarn pressing control of two kinds of yarns can be realized by utilizing the inner notches on the two sides of the movable sheet;
6. the rotary movable sheet is controlled by the first driving shaft as required, the yarns to be used are released, the yarns can continue to participate in weaving, the yarns which are not used temporarily on the other side are still pressed by the movable sheet, no wire jumping occurs, and the yarn is convenient to use again subsequently.
CN202010175076.3A 2020-03-13 2020-03-13 Novel scissors device and working control method thereof Pending CN111270401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010175076.3A CN111270401A (en) 2020-03-13 2020-03-13 Novel scissors device and working control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010175076.3A CN111270401A (en) 2020-03-13 2020-03-13 Novel scissors device and working control method thereof

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Publication Number Publication Date
CN111270401A true CN111270401A (en) 2020-06-12

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Application Number Title Priority Date Filing Date
CN202010175076.3A Pending CN111270401A (en) 2020-03-13 2020-03-13 Novel scissors device and working control method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045033A (en) * 2022-07-04 2022-09-13 汕头市连兴实业有限公司 Thread end hooking and storing processing method for collar knitting machine and collar knitting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115045033A (en) * 2022-07-04 2022-09-13 汕头市连兴实业有限公司 Thread end hooking and storing processing method for collar knitting machine and collar knitting machine
CN115045033B (en) * 2022-07-04 2024-01-23 汕头市连兴实业有限公司 Thread end hooking treatment method for collar knitting machine and collar knitting machine

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