阅读说明：本技术 具有数控线性变换割圈毛绒的编织装置 (Knitting device with digital control linear conversion cut pile ) 是由 林彬彬 林清助 刘明举 于 2021-08-12 设计创作，主要内容包括：本发明涉及具有数控线性变换割圈毛绒的编织装置,包括底座、三角座、三角、针筒、提花片、中间针、刀针、电子选针器以及压毛装置,在中间针上设有片踵,在刀针上设有针踵,在三角上设有用于引导片踵和针踵滑动的轨道,轨道包括第一轨道、第二轨道、第三轨道、第四轨道、第七轨道以及第八轨道,电子选针器对应第四轨道的延伸路径设置,第四轨道对应电子选针器的位置设置为选针部,选针部位于第四轨道的进口端与出口端之间,第八轨道对应选针部设有第一引导入口,第八轨道对应第四轨道的出口端设有第二引导入口,第三轨道的出口端对应第七轨道的进口端设置。本发明无需更换三角即可形成高低割圈毛绒,能够提高工作效率和变换更多织物风格。(The invention relates to a knitting device with numerical control linear conversion cut ring pile, which comprises a base, a triangular seat, a triangle, a needle cylinder, a jacquard sheet, a middle needle, a knife needle, an electronic needle selector and a pile pressing device, the needle selection device comprises a middle needle, a cutter needle, a triangle, a first rail, a second rail, a third rail, a fourth rail, a seventh rail and an eighth rail, wherein the middle needle is provided with a butt, the cutter needle is provided with a butt, the triangle is provided with a rail for guiding the butt and the butt to slide, the rail comprises a first rail, a second rail, a third rail, a fourth rail, a seventh rail and an eighth rail, the electronic needle selector is arranged corresponding to an extension path of the fourth rail, the fourth rail is arranged as a needle selection part corresponding to the electronic needle selector, the needle selection part is arranged between an inlet end and an outlet end of the fourth rail, the eighth rail is provided with a first guide inlet corresponding to the needle selection part, the eighth rail is provided with a second guide inlet corresponding to the outlet end of the fourth rail, and the outlet end of the third rail is arranged corresponding to the inlet end of the seventh rail. The invention can form high-low cut plush without changing the triangle, which can improve the working efficiency and change more fabric styles.)

1. Knitting device with numerical control linear transformation cutting ring pile, which comprises a base, the set triangle seat of setting on the base, the triangle of setting on the set triangle seat, the cylinder, the jacquard card, set the middle needle on the jacquard card, set the sword needle on the middle needle, with jacquard card complex electronic needle selector and with the sword needle cooperation carry out the hair pressing device of cutting ring, be equipped with the butt on the middle needle, be equipped with the butt on the sword needle, be equipped with on the triangle and be used for guiding the gliding track of butt and butt, its characterized in that: the tracks comprise a first track for guiding the upward movement of the needle butt, a second track for guiding the upward movement of the needle butt, a third track for guiding the downward movement of the needle butt, a fourth track for guiding the downward movement of the needle butt, a seventh track for guiding the needle butt and realizing the cutting circle of the knife needle and an eighth track for guiding the needle butt and realizing the cutting circle of the knife needle, the outlet end of the first track is arranged corresponding to the inlet end of the third track, the outlet end of the second track is arranged corresponding to the inlet end of the fourth track, the electronic needle selector is arranged corresponding to the extending path of the fourth track, the position of the fourth track corresponding to the electronic needle selector is arranged to be a needle selecting part, the needle selecting part is arranged between the inlet end and the outlet end of the fourth track, the eighth track is provided with a first guide inlet corresponding to the needle selecting part, the eighth track is provided with a second guide inlet corresponding to the outlet end of the fourth track, and the outlet end of the third track is arranged corresponding to the inlet end of the seventh track.

2. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 1, wherein: the sixth track comprises a sixth upper track and a sixth lower track, the inlet end of the sixth upper track corresponds to the needle selecting portion, the outlet end of the sixth upper track corresponds to the first guide inlet, the outlet end of the sixth lower track corresponds to the second guide inlet, the eighth track comprises an eighth upper track extending obliquely downwards and an eighth lower track extending obliquely upwards, the first guide inlet is arranged on the eighth upper track, and the second guide inlet is arranged on the eighth lower track.

3. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 2, wherein: the sixth track comprises a sixth upper track and a sixth lower track, the inlet end of the sixth upper track is arranged corresponding to the needle selecting part, the outlet end of the sixth upper track is arranged corresponding to the first guide inlet, and the outlet end of the sixth lower track is arranged corresponding to the second guide inlet.

4. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 3, wherein: the first rail and the second rail extend obliquely upward, and the third rail and the fourth rail extend obliquely downward.

5. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 4, wherein: the triangle includes first triangle piece, second triangle piece, third triangle piece, fourth triangle piece, fifth triangle piece, sixth triangle piece, seventh triangle piece and eighth triangle piece, first track sets up on first triangle piece, the second track sets up on the third triangle piece, the third track sets up on the third triangle piece, the fourth track sets up on the fourth triangle piece, the fifth track sets up on the fifth triangle piece, the sixth track sets up on the sixth triangle piece, the seventh track sets up on the seventh triangle piece, the eighth track sets up on the eighth triangle piece.

6. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 5, wherein: the third triangular block is arranged in the triangular seat in a mode of moving up and down, and the third triangular block further comprises a driving device for driving the third triangular block to move up and down.

7. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 6, wherein: the third triangular block is installed on the sliding block, the sliding block is arranged in the triangular seat in a vertically sliding mode, the sliding block is provided with a guide pin, the driving device comprises a motor and a driving block, the driving block is connected to an output shaft of the motor, and the driving block is provided with an Archimedes spiral guide groove used for guiding the guide pin.

8. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 1, wherein: the wool pressing device comprises a first mounting seat and a wool pressing rod arranged on the first mounting seat, the wool pressing rod comprises a first rod body used for pressing yarns and a second rod body used for pressing coils after a retainer is cut, the first rod body extends along the radial direction of the needle cylinder, and the second rod body extends along the circumferential direction of the needle cylinder.

9. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 8, wherein: the hair pressing device further comprises a second mounting seat and a hair pressing wheel arranged on the second mounting seat, the first mounting seat and the second mounting seat are arranged and installed at the upper end of the triangular seat along the circumferential direction of the needle cylinder, and the lowest point of the wheel surface of the hair pressing wheel is higher than the height of the second rod body.

10. The knitting apparatus with digitally controlled linear motion pile cut as recited in claim 9, wherein: the outlet end of the first track is provided with a first sliding chute and a second sliding chute for guiding the needle butts, the first sliding chute is positioned below the second sliding chute, an electronic needle selector for guiding the needle butts to run on the first sliding chute and the second sliding chute is arranged on the running force of the second track, the roughening wheels are arranged corresponding to the seventh track, and the first rod body is arranged corresponding to the first track.

Technical Field

The invention relates to a knitting device with numerical control linear conversion cut loop pile, which is a cut loop pile type of a circular knitting machine.

Background

The cut pile circular knitting machine is understood to be a derivative type of a pile circular knitting machine, also called a pile knitting machine, and the knitting and looping systems of the cut pile circular knitting machine are basically the same, but the actions of cutting the pile loops are changed in some details according to different pile lengths. The fabric with various velvet types can be produced by matching different yarn materials and an after-finishing process, the circular knitting machine for cutting the loop can carry out the loop cutting operation while weaving, and the fabric can form the set wool length; the knitting needle on the loop cutting machine rotates along with the needle cylinder and moves up and down under the limitation of the track on the triangle, so that the composite motion required by knitting is generated, and the knitting function is completed. In order to realize the adjustment of the hair length, in the Chinese utility model patent CN 209975063U, entitled "triangle device of loop cutting machine", a triangle device of loop cutting machine is disclosed, which changes the running track of a knife needle by adjusting the position of a combined triangle mechanism on a saddle, thereby changing the loop structure of knitted fabric and realizing the adjustment of the hair length.

Although the loop pile cutting circular machine disclosed by the patent can be used for manufacturing fabrics with different pile lengths, the circular machine needs to be stopped to adjust the triangular position every time the pile length is adjusted, so that the circular machine wastes time and labor, is limited by errors of manual operation, is relatively low in adjustment precision, and has no function of weaving and cutting high piles and low piles in the same row.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

Disclosure of Invention

The invention aims to provide a numerical control linear conversion cut pile knitting device which can realize the setting of the height and the length of a pile within a set range, can dynamically change the length and improve the production efficiency and the processing quality.

In order to achieve the purpose, the invention adopts the following technical scheme:

the knitting device with numerical control linear conversion cutting ring pile comprises a base, a triangular seat arranged on the base, a triangle arranged on the triangular seat, a needle cylinder, a jacquard, a middle needle arranged on the jacquard, a knife needle arranged on the middle needle, an electronic needle selector matched with the jacquard and a hair pressing device matched with the knife needle for cutting ring, wherein a butt is arranged on the middle needle, a butt is arranged on the knife needle, a track for guiding the butt and the butt to slide is arranged on the triangle, the track comprises a first track for guiding the butt to move upwards, a second track for guiding the butt to move upwards, a third track for guiding the butt to move downwards, a fourth track for guiding the butt to move downwards, a seventh track for guiding the butt and realizing cutting ring of the knife needle and an eighth track for guiding the butt and realizing cutting ring of the knife needle, the outlet end of the first track is arranged corresponding to the inlet end of the third track, the outlet end of the second track is arranged corresponding to the inlet end of the fourth track, the electronic needle selector is arranged corresponding to the extending path of the fourth track, the position of the fourth track corresponding to the electronic needle selector is set as a needle selecting part, the needle selecting part is positioned between the inlet end and the outlet end of the fourth track, the eighth track is provided with a first guide inlet corresponding to the needle selecting part, the eighth track is provided with a second guide inlet corresponding to the outlet end of the fourth track, and the outlet end of the third track is arranged corresponding to the inlet end of the seventh track.

In a preferred embodiment of the present invention, the first rail and the second rail both extend obliquely upward, and the third rail and the fourth rail both extend obliquely downward.

As a preferable mode of the present invention, the triangle is further provided with a fifth track and a sixth track, an inlet end of the fifth track is disposed corresponding to an outlet end of the third track, an outlet end of the fifth track is disposed corresponding to an inlet end of the seventh track, an inlet end of the sixth track is disposed corresponding to the fourth track, and an outlet end of the sixth track is disposed corresponding to an inlet end of the eighth track.

As a preferable mode of the present invention, the sixth rail includes a sixth upper rail and a sixth lower rail, an inlet end of the sixth upper rail is disposed corresponding to the needle selecting portion, an outlet end of the sixth upper rail is disposed corresponding to the first guide inlet, an outlet end of the sixth lower rail is disposed corresponding to the second guide inlet, the eighth rail includes an eighth upper rail extending obliquely downward and an eighth lower rail extending obliquely upward, the first guide inlet is disposed on the eighth upper rail, and the second guide inlet is disposed on the eighth lower rail.

In a preferred aspect of the present invention, the cam includes a first cam block, a second cam block, a third cam block, a fourth cam block, a fifth cam block, a sixth cam block, a seventh cam block, and an eighth cam block, the first rail is provided on the first cam block, the second rail is provided on the third cam block, the third rail is provided on the third cam block, the fourth rail is provided on the fourth cam block, the fifth rail is provided on the fifth cam block, the sixth rail is provided on the sixth cam block, the seventh rail is provided on the seventh cam block, and the eighth rail is provided on the eighth cam block.

In a preferred embodiment of the present invention, the third triangular block is provided in the triangular base so as to be movable up and down, and the third triangular block further includes a driving device for driving the third triangular block to move up and down.

In a preferred embodiment of the present invention, the third triangular block is mounted on a slide block, the slide block is slidably disposed in the triangular seat up and down, the slide block is provided with a guide pin, the driving device includes a motor and a driving block, the driving block is connected to an output shaft of the motor, the driving block is provided with an archimedes spiral guide groove for guiding the guide pin, and the rotary motion of the driving block is converted into the linear up and down motion of the guide pin.

As a preferable mode of the present invention, the wool pressing device includes a first mounting seat and a wool pressing rod disposed on the first mounting seat, the wool pressing rod includes a first rod for pressing the yarn and a second rod for pressing and blocking the loop after the loop is cut, the first rod extends in a radial direction of the needle cylinder, and the second rod extends in a circumferential direction of the needle cylinder.

As a preferable mode of the present invention, the roughening device further includes a second mounting seat and a roughening wheel disposed on the second mounting seat, the first mounting seat and the second mounting seat are arranged at the upper end of the triangular seat along the circumferential direction of the needle cylinder, and the lowest point of the wheel surface of the roughening wheel is higher than the height of the second rod body.

As a preferable mode of the present invention, the outlet end of the first track is provided with a first chute and a second chute for guiding the butt, the first chute is located below the second chute, an electronic needle selector for guiding the butt to travel on the first chute and the second chute is arranged on the traveling force of the second track, the roughening wheel is arranged corresponding to the seventh track, and the first rod body is arranged corresponding to the first track.

After the technical scheme of the invention is adopted, when the butt slides from the inlet end to the outlet end of the fourth track and enters the eighth track, the knitting and cutting of the loop can be carried out to form plush, the butt can slide for a certain distance along the fourth track and then separate from the fourth track through the electronic needle selector, and then the butt enters the eighth track and can be knitted and cut into shorter plush. Furthermore, the third triangular block is arranged on the triangular seat in a vertically movable manner and is driven to move to different positions through the driving device, so that the plush with the linear length change between the plush and the plush with the coil characteristics of the same row is woven, a plurality of fabric appearance forms with high cut loop pile or gradually changed cut loop pile height and numerous multiple recombination number are woven in a set range, the product competitiveness is improved, and the product application field is expanded.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic view of a triangular arrangement structure according to a first embodiment of the present invention.

FIG. 3 is a schematic view of the structure of the knife needle, the middle needle and the pattern piece.

Fig. 4 is a schematic structural diagram of a driving block in the present invention.

FIG. 5 is a schematic view of a partial structure of the present invention.

Fig. 6 is a schematic structural view of a triangular-fitting roughening device according to a second embodiment of the present invention.

Fig. 7 is a schematic view of the installation structure of the hair pressing rod of the present invention.

Fig. 8 is a schematic structural view of the roughening rod of the present invention.

Fig. 9 is a schematic view of the installation structure of the roughening wheel in the invention.

In the figure:

first triangle block 10 first track 11

Exit end 12 of first track second triangular block 20

Second track 21 second track exit end 22

Third triangle block 30 third track 31

Inlet end 32 of third track outlet end 33 of third track

Fourth triangular block 40 of guide portion 34

Fourth track 41 inlet end 42 of fourth track

The outlet end 43 of the fourth track selects the needle 44

Fifth triangle block 50 fifth track 51

Sixth cam 60 sixth rail 61

Sixth upper rail 611 sixth lower rail 612

Seventh triangle block 70 seventh track 71

Eighth triangle block 80 eighth track 81

Eighth Upper track 811 eighth lower track 812

First pilot inlet 813 and second pilot inlet 814

Base 91 of electronic needle selector 90

Triangle seat 92 and triangle 93

Slider 94 needle cylinder 95

Motor 96 drives block 97

Archimedes spiral guide groove 98 guide pin 99

Middle needle 101 heel 102

Knife needle 103 butt 104

Cutting part 105 hook part 106

Jacquard weave sheet 107 roughening wheel 108

Second mount 109 first mount 110

Hair pressing rod 111 first rod 1111

Second rod 1112 first runner 1100

Second chute 1101

Detailed Description

In order to further explain the technical solution of the present invention, the following detailed description is made with reference to the embodiments. Referring to fig. 1 to 9, the knitting device with numerically controlled linear pile changing comprises a base 91, a triangular seat 92 arranged on the base 91, a cam 93 arranged on the triangular seat 92, a needle cylinder 95, a jacquard 107, a middle needle 101 arranged on the jacquard 107, a knife needle 103 arranged on the middle needle 101, an electronic needle selector 90 matched with the jacquard 107 and a wool pressing device matched with the knife needle 103 for cutting a pile, wherein the middle needle 101 is provided with a butt 102, the knife needle 103 is provided with a butt 104, the knife needle 103 is further provided with a cutting part 105 for matching with the wool pressing device for cutting a yarn, the wool pressing device adopts a conventional wool pressing wheel 108, and the knife needle 103 is further provided with a hook 106 for hooking the yarn. The cams 93 are provided with tracks for guiding the sliding of the butts 102 and 104, and as the needle cylinder 95 rotates, the butts 102 and 104 slide on the tracks to realize the lifting of the middle needle 101 and the cutter needle 103, which can adopt the corresponding structure of the prior art loop cutting machine and will not be described in detail herein.

Further, the present invention is such that the track includes a first track 11 for guiding the upward movement of the butt 104, a second track 21 for guiding the upward movement of the butt 102, a third track 31 for guiding the downward movement of the butt 104, a fourth track 41 for guiding the downward movement of the butt 102, a seventh track 71 for guiding the butt 104 and realizing the cutting of the knife 103, and an eighth track 81 for guiding the butt 104 and realizing the cutting of the knife 103, the first track 11 and the second track 21 both extend obliquely upward, the third track 31 and the fourth track 41 both extend obliquely downward, the outlet end 12 of the first track is disposed corresponding to the inlet end 32 of the third track, the outlet end 22 of the second track is disposed corresponding to the inlet end 42 of the fourth track, the electronic selector 90 is disposed corresponding to the extending path of the fourth track 41, the position of the fourth track 41 corresponding to the electronic selector 90 is disposed as the needle selection portion 44, the needle selection portion 44 is disposed between the inlet end 42 and the outlet end of the fourth track, when the electronic needle selector 90 is operated, the electronic needle selector 90 drives the corresponding part of the jacquard 107 to swing, so that the butt 102 of the middle needle 101 and/or the butt 104 of the knife needle 103 are separated from the track, and the knife needle 103 and/or the middle needle 101 rotate along with the needle cylinder 95 in the operation state that the butt 102 of the middle needle 101 and/or the butt 104 of the knife needle 103 are separated from the track.

The eighth rail 81 is provided with a first guide entrance 813 corresponding to the needle selecting portion 44, the eighth rail 81 is provided with a second guide entrance 814 corresponding to the exit end 43 of the fourth rail, the first guide entrance 813 is positioned above the second guide entrance 814, the butt 102 of the middle needle 101 moves in the eighth rail 81 after entering the eighth rail 81 from the first guide entrance 813 or the second guide entrance 814 to move the cutting portion 105 of the knife needle 103 for cutting, the exit end 33 of the third rail is positioned corresponding to the entrance end of the seventh rail 71, and when the butt 102 of the middle needle 101 moves in the eighth rail 81, the butt 104 of the knife needle 103 moves in the seventh rail 71.

In a preferred form of the invention, the cam is further provided with a fifth track 51 and a sixth track 61, the inlet end of the fifth track 51 being arranged in correspondence with the outlet end 33 of the third track, and, in order to better guide the butt, at the outlet end 33 of the third track there is also a guide 34, the guide 34 being arranged in correspondence with the inlet end of the fifth track 51, the outlet end of the fifth track 51 being arranged in correspondence with the inlet end of said seventh track 71, the inlet end of the sixth track 61 being arranged in correspondence with said fourth track 41, a heel 102 coming out of the outlet end of the fourth track 41 or a heel 102 coming off the fourth track 41 being able to enter the sixth track 61, the outlet end of the sixth track 61 being arranged in correspondence with the inlet end of said eighth track 81, the fifth track 51 and the sixth track 61 being arranged in a substantially horizontal direction, for realizing the transition of the butt 102 and the butt 104 to the seventh track 71 and the eighth track 81, respectively.

In a preferred embodiment of the present invention, the sixth rail 61 includes a sixth upper rail 611 and a sixth lower rail 612, an inlet end of the sixth upper rail 611 is disposed corresponding to the needle selecting portion 44, an outlet end of the sixth upper rail 611 is disposed corresponding to the first guide inlet 813, an inlet end of the sixth lower rail 612 is disposed corresponding to the outlet end of the fourth rail 41, an outlet end of the sixth lower rail 612 is disposed corresponding to the second guide inlet 814, the eighth track 81 comprises an eighth upper track 811 extending obliquely downwards and an eighth lower track 812 extending obliquely upwards, a first lead-in 813 is arranged on the eighth upper track 811, a second lead-in 814 is arranged on the eighth lower track 812, the butt 104 can enter the first lead-in 813 along the sixth upper track 611 and into the seventh track 71, the heel 102 may enter the second guide entrance 814 along the sixth lower track 612 and into the eighth track 81.

In a preferred embodiment of the present invention, the cam includes a first cam block 10, a second cam block 20, a third cam block 30, a fourth cam block 40, a fifth cam block 50, a sixth cam block 60, a seventh cam block 70, and an eighth cam block 80, the first rail 11 is provided on the first cam block 10, the second rail 21 is provided on the third cam block 30, the third rail 31 is provided on the third cam block 30, the fourth rail 41 is provided on the fourth cam block 40, the fifth rail 51 is provided on the fifth cam block 50, the sixth rail 61 is provided on the sixth cam block 60, the seventh rail 71 is provided on the seventh cam block 70, and the eighth rail 81 is provided on the eighth cam block 80. The first, third, fifth and seventh triangular blocks 10, 30, 50 and 70 are sequentially arranged on the upper portion of the triangular base 92, and the second, fourth, sixth and sixth triangular blocks 20, 40, 60 and 60 are sequentially arranged on the lower portion of the triangular base 92.

In a preferred embodiment of the present invention, the third triangular block 30 is provided in the triangular base 92 so as to be movable up and down, and further includes a driving device for driving the third triangular block 30 to move up and down.

In a preferred embodiment of the present invention, the third triangular block 30 is mounted on a slide block 94, the slide block 94 is slidably disposed in the triangular seat 92 up and down, a corresponding slide way can be disposed on the triangular seat 92 to guide the slide block 94 to move up and down in the triangular seat 92, the slide block 94 is provided with a guide pin 99, the driving device comprises a motor 96 and a driving block 97, the driving block 97 is connected to an output shaft of the motor 96, the driving block 97 is provided with an archimedes spiral guide groove 98 for guiding the guide pin 99, the guide pin 99 vertically extends into the archimedes spiral guide groove 98, and the rotation of the driving block 97 is converted into the up and down movement of the guide pin 99. In the invention, the rotation angle of the driving block 97 can be accurately controlled by the motor 96, so that the up-and-down movement distance of the guide pin 99 is accurately controlled, the dynamic adjustment of the position of the outlet end 33 of the third track is realized, the position of the coil pulled downwards by the hook part 106 of the knife needle 103 is adjusted, and the adjustment of the length of the pile loop is realized.

As another preferred mode of the present invention, the hair pressing device includes a first mounting seat 110 and a hair pressing rod 111 disposed on the first mounting seat 100, the hair pressing rod 111 includes a first rod 1111 for pressing the yarn and a second rod 1112 for pressing and blocking the loop after the loop is cut, the first rod 1111 and the second rod are integrally formed and extend in a radial direction of the needle cylinder 95, the first rod 1111 is used for pressing the yarn and cutting the loop in cooperation with the ascending and descending of the knife needle 103, the second rod 1112 extends in a circumferential direction of the needle cylinder 95, and the second rod 1112 blocks the cut loop to prevent the knife needle 103 from hooking the loop to affect knitting.

As a preferable mode of the present invention, the roughening device further includes a second mounting seat 109 and a roughening wheel 108 disposed on the second mounting seat 109, the first mounting seat 110 and the second mounting seat 109 are arranged at the upper end of the triangular seat 92 along the circumferential direction of the needle cylinder 95, and the lowest point of the wheel surface of the roughening wheel 108 is higher than the height of the second rod 1112. According to the invention, through the arrangement of the hair pressing wheel 108 and the hair pressing rod 111, the cutting of high and low hairs can be realized in the same way in an auxiliary manner, so that the change of the high and low hairs is more flexible.

As a preferable mode of the present invention, a first sliding groove 1100 and a second sliding groove 1101 for guiding the butt are provided at an outlet end of the first rail 11, the first sliding groove 1100 is located below the second sliding groove 1101, an electronic needle selector for guiding the butt 102 to travel on the first sliding groove 1100 and the second sliding groove 1101 is provided on a traveling stiffness of the second rail 21, the roughening wheel 108 is provided corresponding to the seventh rail 71, and the first rod 1111 is provided corresponding to the first rail 11. When the butt 102 slides on the second track 21, the needle butt 103 slides on the first track 11 and slides to the second chute 1101, and the knife needle 103 performs terry knitting; the butt 102 leaves the second track 21 through the electronic needle selector, the butt 103 slides on the first track 11 and slides to the first chute 1100, the yarn is blocked by the pressed fluff rod 111 and the cutter needle 103 rises to the cutting edge under the tensile force, so that the fluff height sliding (shearing) cutting is realized; when the heel 102 and the butt 104 transition to the seventh track 71 and the eighth track 81 respectively, the knife needle 103 rises, the yarn drives the fuzz pressing wheel 108 to rotate passively, the yarn is prevented from receiving stretching tension to the corresponding motion position, and the knife edge contacts the yarn to realize another fuzz height rolling (rotating) cutting. The invention can realize the cutting of long and short piles in the same complete process tissue, controls the knitting needle and the driving device to control the triangle position through the electronic needle selector, performs numerical control needle selection control, can realize the linear transformation and cutting of pile length, and greatly enriches the style and style of the cut-circle pile fabric.

The product form of the present invention is not limited to the embodiments, and any suitable changes or modifications of the similar ideas by anyone should be considered as not departing from the patent scope of the present invention.