CN109487413B

CN109487413B - Three-dimensional automatic weaving equipment

Info

Publication number: CN109487413B
Application number: CN201811430619.0A
Authority: CN
Inventors: 李静; 杨桂; 李珊珊; 王京红; 雷同宝
Original assignee: China Textile Academy
Current assignee: China Textile Academy
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-09-11
Anticipated expiration: 2038-11-28
Also published as: CN109487413A

Abstract

The invention discloses three-dimensional automatic weaving equipment which comprises a frame, a plurality of yarn storages and a plurality of weaving stations, wherein the weaving stations are arranged in the hollow interior of the frame and form an array form in the frame; during the knitting process, the knitting station rotates around the axis of the knitting station in the circumferential direction, and each yarn storage device moves around the periphery of the knitting station on the end face, close to the knitting face, of the frame under the clamping action of the knitting station, so that yarns carried by each yarn storage device are knitted with each other, and a three-dimensional knitted fabric is formed at the knitting face. Through the three-dimensional automatic weaving equipment, the yarn storage device moves in a shuttle mode in the track disc of the weaving station, the yarn storage device carries yarns to weave in a staggered mode above the track disc, and the function that each yarn is automatically woven in a three-dimensional mode is achieved. The invention has simple structure and obvious effect and is suitable for popularization and use.

Description

Three-dimensional automatic weaving equipment

Technical Field

The invention belongs to the field of textile machinery, and particularly relates to three-dimensional automatic knitting equipment.

Background

The three-dimensional weaving is a fabric forming process, and the high-performance fibers can support ropes, belts, nets, plates, pipes, special-shaped fabrics and the like through the three-dimensional weaving process, and the braided fabric has unique structure and function and has the characteristics of high strength, high modulus, high reliability, high pressure resistance, wear resistance, accurate and controllable elongation and the like. However, the automatic forming equipment of the fabric is monopolized by Europe, America and Russia for a long time, and the development of the three-dimensional weaving industry in China is severely restricted.

In the aspect of three-dimensional automatic knitting machines, relevant researchers in China have done a lot of work, such as Chinese patents with publication numbers of CN204644597U and CN1312408A, but the disclosed three-dimensional automatic knitting machine is only suitable for knitting a certain specific single-structure three-dimensional knitting fabric, so that the equipment cost of three-dimensional knitting is increased; the development and trial weaving of a new three-dimensional weaving process cannot be carried out, and the development of a three-dimensional weaving technology is not facilitated; the requirements of strong designability and diversified structure of the three-dimensional weaving process cannot be met, and the application of the three-dimensional weaving technology in the field of composite materials is limited.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide three-dimensional automatic knitting equipment, so that a plurality of yarns are driven by corresponding yarn storage devices to move in a shuttling mode in a track disc under the driving of a knitting station, the yarns are staggered, and a three-dimensional knitted fabric is formed at a knitting surface, so that the mechanization and the automation of the three-dimensional knitting equipment are realized, and the purpose of producing the three-dimensional knitted fabric in batches is achieved.

In order to solve the technical problems, the invention adopts the technical scheme that:

a three-dimensional automatic knitting device comprises a frame, a plurality of yarn storages and a plurality of knitting stations, wherein the knitting stations are arranged in the hollow interior of the frame and form an array form in the frame;

during the knitting process, the knitting station rotates around the axis of the knitting station in the circumferential direction, and the yarn storage devices move around the periphery of the knitting station on the end face, close to the knitting face, of the frame under the clamping action of the knitting station, so that yarns carried by the yarn storage devices are knitted with each other, and a three-dimensional knitted fabric is formed at the knitting face.

Furthermore, a supporting plate is arranged at one end, close to the weaving surface, of the frame and used for supporting the yarn storage device, the supporting plate is perpendicular to the axis of the weaving station, and the yarn storage device is placed at one end, close to the weaving surface, of the supporting plate.

Further, the one end that is close to the face of knitting of each weaving station is equipped with the track dish, and the track dish sets up with weaving the station is coaxial, is equipped with the circular fretwork portion that equals with track dish quantity on the backup pad, and the track dish is shelved in the fretwork portion, and the diameter of fretwork portion is greater than the diameter of track dish to form the annular track, store up yarn ware and move in the annular track, around the periphery of track dish.

Preferably, the track dish is the cake form to with the coaxial setting of fretwork portion, the track dish sets up with the supporting disk parallel and level.

Further, adjacent hollowed-out portions are arranged in an intersecting manner to form a shared nest of adjacent weaving stations, and the yarn storage device moves onto the adjacent annular track through the shared nest and moves circumferentially around the track disc of the adjacent weaving station.

Further, the yarn storage device comprises a base plate column and a base, the base and the base plate column both extend along the axial direction of the weaving station, the base plate column is arranged at one end, far away from the weaving surface, of the yarn storage device, the base is arranged at one end, close to the weaving surface, of the yarn storage device, and the base plate column and the base are fixedly arranged; the base is shelved in the backup pad, and base dish post passes in annular rail stretches into the frame, weaves station centre gripping base dish post and circumferential direction to drive yarn storage ware in annular rail, around the periphery removal of track dish.

Preferably, the yarn storage device further comprises a yarn storage tube, a yarn transfer unit for transferring the yarn from the yarn storage tube to the knitting surface, and a tension adjusting unit for adjusting the tension of the yarn during the yarn transfer so that the yarn is unwound under tension.

Further, the weaving station comprises a clamp section, the clamp section is arranged on one side, far away from the weaving surface, of the track disc and can rotate circumferentially around the axis of the weaving station, a clamp is arranged on the clamp section, and the clamp clamps the base disc seat to drive the yarn storage device to move in the annular track and around the periphery of the track disc.

And in the weaving process, the rotary positioning system detects the rotating angle of the weaving station, when the rotary positioning system detects the set rotating angle, the weaving station is judged to drive the yarn storage device to rotate to the designated position, and the three-dimensional automatic weaving equipment controls the weaving station to stop rotating.

The yarn breakage detection system comprises a yarn breakage detection sheet arranged on the yarn storage device and a proximity sensor arranged on the knitting station; in the weaving process, the broken line detection piece leaves the sensing area of the proximity sensor under the action of the yarn, when the yarn storage device breaks, the broken line detection piece falls into the sensing area of the proximity sensor, and the proximity sensor senses the broken line detection piece to judge that the three-dimensional automatic weaving equipment breaks.

Furthermore, the broken line detection piece is arranged on the base of the yarn storage device and positioned on one side, close to the weaving surface, of the supporting plate, and the proximity sensor is arranged on the track disc and positioned at one end, close to the weaving surface, of the track disc.

Further, the weaving device also comprises a motor which is used for driving the weaving station to rotate clockwise and anticlockwise.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. Through the three-dimensional automatic weaving equipment, the yarn storage device moves in a shuttle mode in the track disc of the weaving station, the yarn storage device carries yarns to weave in a staggered mode above the track disc, and the function that each yarn is automatically woven in a three-dimensional mode is achieved. The invention has simple structure and obvious effect and is suitable for popularization and use.

2. The three-dimensional automatic weaving equipment can realize the real-time broken thread detection function by arranging the broken thread detection system on the three-dimensional automatic weaving equipment, and in the weaving process, as long as any one yarn storage device has the broken thread condition, the broken thread detection system can detect the broken thread condition, so that the automatic three-dimensional weaving equipment can stop running and give an alarm.

3. Through set up yarn storage ware position detecting system on three-dimensional automatic weaving equipment, not only realized the function that yarn storage ware position detected, can also learn the current quantity of yarn storage ware and the arrangement position condition of yarn storage ware in arbitrary weaving unit through this detecting system to can implement the whole arrangement condition and the arrangement position of monitoring the yarn storage ware of current three-dimensional automatic weaving equipment.

4. Through setting up yarn transfer unit and tension adjusting unit, the knitting of yarn accessible yarn transfer unit transmission to weaving the face on carrying out the yarn for it is more even to weave tension, and accessible tension adjusting unit carries out tensile regulation at any time weaving in-process, has enlarged tension control range.

5. Through setting up the rotational positioning system, the station is woven to the usable this rotational positioning system realization of three-dimensional automatic equipment of weaving accurate location, realizes then that three-dimensional automatic equipment of weaving stores up the accurate location of yarn ware to realize that three-dimensional automatic equipment of weaving is to the independent control of each fibre or yarn.

6. Through setting up the weaving station including clamp subsection and rotational positioning system, the removal of the usable clamp centre gripping mode area storage yarn ware of weaving station, utilize rotational positioning system control to store up the removal angle of yarn ware, weave the station simultaneously and can arrange the combination wantonly according to the product demand, can satisfy the processing demand of the three-dimensional knitting of multiple structure, save equipment cost.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural diagram of a three-dimensional automatic knitting apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of a yarn storage device in an embodiment of the present invention;

FIG. 3 is a side view of a yarn storage device in an embodiment of the present invention;

FIG. 4 is a rear view of a yarn storage in an embodiment of the present invention;

FIG. 5 is a schematic view of another angle of the yarn storage device in the embodiment of the present invention;

FIG. 6 is a schematic view of a further angle of the yarn storage device in the embodiment of the present invention;

FIG. 7 is a schematic view showing the structure of a tension adjusting unit according to an embodiment of the present invention;

FIG. 8 is a schematic view of another angle of the tension adjusting unit according to the embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a three-dimensional automatic knitting apparatus in a knitting state according to an embodiment of the present invention;

FIG. 10 is a schematic structural view of a three-dimensional automatic knitting apparatus according to an embodiment of the present invention when a yarn breakage occurs;

FIG. 11 is a schematic diagram of a proximity sensor in an embodiment of the present invention;

FIG. 12 is a schematic diagram of a rotational positioning system in accordance with an embodiment of the present invention;

FIG. 13 is a schematic diagram of the internal structure of a rotational positioning system in an embodiment of the present invention;

FIG. 14 is a structural schematic diagram of a positioning code wheel in an embodiment of the invention;

FIG. 15 is a schematic diagram of a count code disk according to an embodiment of the present invention;

FIG. 16 is a schematic diagram of a rotary position sensor in an embodiment of the present invention;

FIG. 17 is a schematic diagram of the construction of a weaving station in an embodiment of the present invention;

FIG. 18 is a schematic structural diagram of a clamp segment in an embodiment of the present invention.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

Example one

As shown in fig. 1, the present embodiment describes a three-dimensional automated knitting apparatus 1000, the three-dimensional automated knitting apparatus 1000 including a frame 900, a plurality of yarn stores 100, and a plurality of knitting stations 800, the knitting stations 800 being disposed within a hollow interior of the frame 900 and organized in an array within the frame 900. During knitting, the knitting station 800 rotates circumferentially around the axis of the knitting station 800, and each yarn storage 100 moves on the end surface of the frame 900 near the knitting surface around the periphery of the knitting station 800 under the clamping action of the knitting station 800, so that the yarns carried by each yarn storage 100 are knitted with each other to form a three-dimensional knit at the knitting surface.

In this embodiment, a supporting plate 901 is disposed at one end of the frame 900 close to the knitting surface, the supporting plate 901 is used for supporting the yarn storage device 100, the supporting plate 901 is perpendicular to the axis of the knitting station 800, and the yarn storage device 100 is placed at one end of the supporting plate 901 close to the knitting surface.

In this embodiment, one end of each knitting station 800 close to the knitting surface is provided with a track disc 200, the track discs 200 and the knitting stations 800 are coaxially arranged, the supporting plate 901 is provided with circular hollowed-out portions 903 equal to the number of the track discs 200, the track discs 200 are placed in the hollowed-out portions 903, the diameter of the hollowed-out portions 903 is larger than that of the track discs 200 to form an annular track 904, and the yarn storage device 100 moves around the periphery of the track discs 200 in the annular track 904.

In this embodiment, the track disc 200 is shaped like a circular cake and is coaxially disposed with the hollow portion 903, and the track disc 200 is disposed flush with the support disc 901.

In this embodiment, adjacent hollows 903 are arranged in an intersecting manner, the intersecting positions form shared nests of adjacent knitting stations 800, each knitting station 800 is provided with 4 shared nests which are spaced at 90 ° angles around the axis of the knitting station 800 and are common to the adjacent knitting stations 800, and the yarn storage 100 moves onto the adjacent endless track 904 through the shared nests and then moves circumferentially around the track disc 200 of the adjacent knitting station 800.

Example two

As shown in fig. 1, in the present embodiment, the yarn storage device 100 includes a base plate column 107 and a base 101, the base 101 and the base plate column 107 both extend along an axial direction of the knitting station 800, the base plate column 107 is disposed at an end of the yarn storage device 100 far away from the knitting surface, the base 101 is disposed at an end of the yarn storage device 100 far away from the knitting surface, the base plate column 107 and the base 101 are fixedly disposed, a diameter of the base 101 is much larger than a diameter of the base plate column 107, and the base plate column 107 and the base 101 are coaxially disposed.

In this embodiment, the base 101 rests on the support plate 901, the base disc column 107 extends into the frame 900 through the circular track 904, and the knitting station 800 grips the base disc column 107 and rotates circumferentially to drive the yarn storage 100 to move around the periphery of the track disc 200 within the circular track 904.

In this embodiment, the knitting station 800 includes a clamp section 801, the clamp section 801 is disposed on a side of the rail disc 200 away from the knitting surface and can rotate circumferentially around an axis of the knitting station 800, a clamp 8011 is disposed on the clamp section 801, and the clamp 8011 clamps the base disc seat 107 to drive the yarn storage device 100 to move around the outer periphery of the rail disc 200 in the annular rail 904.

In this embodiment, the three-dimensional automatic knitting apparatus 1000 further includes a motor 902, and the motor 902 is used for driving the knitting station 800 to rotate clockwise and counterclockwise in the circumferential direction.

In the three-dimensional weaving process, the process of driving the yarn storage device by the weaving station is as follows:

(1) driving a clamp of a certain weaving station to move to the position of a designated yarn storage device;

(2) the clamp extends out to clamp the base plate column of the yarn storage device;

(3) the weaving station rotates, the clamp rotates along with the weaving station, and the yarn storage device clamped by the clamp is driven to rotate;

(4) when the yarn storage device reaches the designated position, the clamp is retracted, and the movement of the yarn storage device is completed.

EXAMPLE III

As shown in fig. 2 to 8, the present embodiment describes a large-capacity yarn storage 100 for a three-dimensional knitting apparatus 1000, the large-capacity yarn storage 100 includes a yarn storage tube 108, a yarn transfer unit 500, and a tension adjusting unit 600, the yarn transfer unit 500 is used for transferring the yarn on the yarn storage tube 100 from the yarn storage tube 100 to a knitting surface, and the tension adjusting unit 600 is used for adjusting the tension of the yarn during the yarn transfer process, so that the yarn is unwound under tension. By providing a yarn transfer unit and a tension adjustment unit,

in this embodiment, the yarn transfer unit 500 includes an upper yarn passing wheel 104 and a lower yarn passing wheel 105, the upper yarn passing wheel 104 is disposed at one end of the yarn storage 100 close to the knitting surface, the lower yarn passing wheel 105 is disposed at one end of the yarn storage 100 far from the knitting surface, and the yarn is transferred from the yarn storage tube 108 to the knitting surface through the upper yarn passing wheel 104 and the lower yarn passing wheel 105.

In this embodiment, the yarn storage device 100 further includes a base 101 for fixedly mounting the yarn storage tube 108, the yarn transmission unit 500 and the tension adjustment unit 600, the base 101 extends towards two ends along the axial direction of the yarn storage device 100, the interior of the base 101 is hollow to form a hollow interior 110, the yarn storage tube 108 is disposed in the hollow interior 110 of the base 101 and is coaxial with the base 101, the upper yarn passing wheel 104 is disposed at one end, close to the weaving surface, of the hollow interior 110 of the base 101, and the lower yarn passing wheel 105 is disposed at one end, far away from the weaving surface, of the hollow interior 110 of the base 101.

In this embodiment, the base 101 is cylindrical, the hollow interior 110 of the base 101 penetrates through the first side 111 and the corresponding second side of the base 101 and is communicated with the external space of the yarn storage 100 to form a penetrating part 1111 on the first side 111, the penetrating part 1111 is a rectangular bent smooth curved surface, and the upper yarn guide wheel 104 is arranged on the penetrating part 1111 on the first side 111 of the base 101 and is located at one end close to the knitting surface; the lower wire guide wheel 105 is disposed on the penetrating portion 1111 of the first side surface 111 of the base 101.

In this embodiment, an upper yarn passing wheel fixing block 1041 is fixedly disposed at one end of the hollow interior 110 of the base 101, which is close to the weaving surface, one end of the upper yarn passing wheel fixing block 1041 is fixedly connected with one end of the hollow interior 110 of the base 101, which is close to the weaving surface, the other end of the upper yarn passing wheel fixing block 1041 extends towards one end far away from the weaving surface along the axial direction of the base 101, and the upper yarn passing wheel 104 is mounted on one side of the upper yarn passing wheel fixing block 1041, which faces the outside of the yarn storage 100, so as.

In this embodiment, a slider 1051 and a slider linear bearing 106 matching with the slider 1-51 are fixedly disposed at one end of the hollow interior 110 of the base 101, which is far from the woven surface, the slider 1051 and the slider linear bearing 106 are both disposed on the penetrating portion 1111 of the first side 111 of the base 101, and both extend along the circumferential direction of the base 101 and are in smooth transition with the part which is not penetrated on the first side surface of the base 101, a slide block 1051 is fixedly connected with one end of a slide block linear bearing 106 close to the weaving surface, a lower wire guide wheel 104 is arranged on the slide block 1051, a lower wire guide wheel 105 can slide towards one end of the weaving surface under the action of yarn tension, because the lower thread guide wheel 105, the sliding block 1051 and the sliding block linear bearing 106 are fixedly connected with each other, when the lower thread guide wheel 105 slides towards one end of the weaving surface under the action of yarn tension, the slider 1051 and the slider linear bearing 106 also slide together toward one end of the woven surface.

Example four

As shown in fig. 2 to 8, in the present embodiment, the yarn transfer unit 500 includes a plurality of upper yarn guide wheels 104 and a plurality of lower yarn guide wheels 105, each upper yarn guide wheel 104 is distributed at intervals along the circumferential direction of the base 101 at an end of the hollow interior 110 of the base 101 close to the knitting surface, each lower yarn guide wheel 105 is distributed at intervals along the circumferential direction of the base 101 at an end of the hollow interior 110 of the base 101 far from the knitting surface, and projections of each upper yarn guide wheel 104 and each lower yarn guide wheel 105 on the central axis surface are arranged at intervals in a staggered manner.

In this embodiment, the upper wire guide wheels 104 are distributed at intervals along the circumferential direction of the base 101 on the penetrating portion 1111 of the first side surface 111 of the base 101, and the upper wire guide wheels 104 are located on the same radial surface and located on the same smooth curved surface as the non-penetrating portion of the first side surface 111.

In this embodiment, the lower wire guide wheels 105 are distributed at intervals along the circumferential direction of the base 101 on the penetrating portions 1111 of the first side surface 111 of the base 101, and the lower wire guide wheels 105 are located on the same radial surface and located on the same smooth curved surface as the non-penetrating portions of the first side surface 111.

In this embodiment, the yarn passes from the yarn storage tube 108 to each of the upper and lower

yarn guide wheels

104 and 105, where the yarn forms a serpentine pattern.

EXAMPLE five

As shown in fig. 2 to 8, in this embodiment, the yarn transfer unit 500 further includes a cylindrical yarn outgoing wheel 1091, the cylindrical yarn outgoing wheel 1091 is disposed at one end of the base 101 close to the knitting surface, and the yarn is transferred from the yarn storage tube 108 to the cylindrical yarn outgoing wheel 1091 through the upper and lower

yarn guide wheels

104 and 105, and then transferred to the knitting surface through the cylindrical yarn outgoing wheel 1091.

In this embodiment, an outlet post fixing block 1092 is disposed at one end of the base 101 close to the knitting surface, one end of the outlet post fixing block 1092, which is far away from the knitting surface, is fixedly connected to one end of the base 101 close to the knitting surface, and the other end extends toward one end of the knitting surface along the axial direction of the base 101, an outlet post 109 extending along the axial direction of the base 101 is disposed at one end of the outlet post fixing block 1092 close to the knitting surface, the outlet post wheel 1091 is fixedly mounted on the outlet post 109, and the outlet post wheel 1091 is designed as a universal wheel. Through set up universal wheeled leading-out post line wheel in the base near the face one end of knitting, along with the continuous change of yarn storage device direction in the knitting process, the yarn can not receive wearing and tearing under the protection of universal wheeled leading-out post line wheel.

In this embodiment, the yarn transfer unit 500 includes a plurality of post pulleys 1091, and the post pulleys 1091 are spaced apart from each other in the axial direction of the base 101 and fixed to the post 109.

In this embodiment, the hollow interior 110 of the base 101 penetrates through a part of the end surface of the base 101 near the woven surface, the outlet post fixing block 1092 extends along the circumferential direction of the base 101 and is matched and fixedly connected with the non-penetrated end surface of the base 101 near the woven surface, and the outer periphery of the outlet post fixing block 1092 does not exceed the outer periphery of the non-penetrated end surface of the base 101 near the woven surface.

In this embodiment, the penetrating end surface of the base 101 near the end of the knitted surface is near the second side surface of the base 101, and the column fixing block 1092 is located at the end of the first side surface 111 of the base 101 near the knitted surface. An inner threading wheel 1093 is arranged on one side of the outlet post fixing block 1092 close to the axis of the base 101, and the axis of the yarn storage tube 108 passes through one end of the base 101 close to the knitting surface through the upper threading wheel 104 and the lower threading wheel 105, is transmitted to the outlet post wire wheel 1091 through the inner threading wheel 1093, and is then transmitted to the knitting surface through the outlet post wire wheel 1091.

In this embodiment, a plurality of inner wire passing wheels 1093 are disposed on one side of the outlet post fixing block 1092 close to the axis of the base 101, and the inner wire passing wheels 1093 are circumferentially spaced along the base 101; one side of the outlet post fixing block 1092 close to the axis of the base 101 is recessed inwards, and each inner wire wheel 1093 is arranged at the recessed position of the outlet post fixing block 1092.

EXAMPLE six

As shown in fig. 2 to 8, in the present embodiment, the yarn transferring unit 500 further includes a bobbin 112, the bobbin 112 is disposed in the hollow interior of the base 101, one end of the bobbin 112 is fixedly connected to one end of the hollow interior 110 of the base 101 close to the knitting surface, and the other corresponding end extends along the axial direction of the base 101 and is fixedly connected to one end of the hollow interior 110 of the base 101 far from the knitting surface.

In this embodiment, the yarn is transferred from the yarn storage tube 108 to the yarn passing tube 112, and after being wound several turns on the yarn passing tube 112, the yarn is transferred to the upper yarn passing wheel 104 or the lower yarn passing wheel 105, and is sequentially transferred to each upper yarn passing wheel 104 and each lower yarn passing wheel 105, and the yarn runs in a serpentine shape on each upper yarn passing wheel 104 and each lower yarn passing wheel 105; then, the yarn passes through the penetrating part of the end face of the base 101 close to the knitting face end, and is transmitted to the inner wire wheel 1093, and is transmitted to the outgoing pillar wire wheel 1091 through the inner wire wheel 1093, and then is transmitted to the knitting face through the outgoing pillar wire wheel 1091.

EXAMPLE seven

As shown in fig. 2 to 8, in the present embodiment, the tension adjusting unit 600 includes a shifting fork 602, a yarn storage tube shaft 603 and a yarn conduit top rod 604, the yarn storage tube shaft 603 is sleeved in the yarn storage tube 108, extends along the axis of the yarn storage 100, and is coaxially disposed with the yarn storage tube 108, the shifting fork 602 is respectively connected to the yarn storage tube shaft 603 and the yarn conduit top rod 604, one end of the yarn conduit top rod 604, which is far away from the knitting surface, is provided with a yarn conduit spring 605, and the yarn conduit spring 605 can extend and retract along the axial direction of the yarn storage 100; when the yarn tension is too high, the shifting fork 602 is lifted under the action of the yarn, the spool spring 605 is stretched to drive the spool top rod 604 to retract, and then the yarn storage pipe shaft 603 is driven to rotate.

In this embodiment, the tension adjustment unit 600 further comprises a shift fork rod 601, the shift fork rod 601 and the conduit rod 604 are both disposed in the hollow interior 110 of the base 101, and both extend along the axial direction of the base 101, the shifting fork pull rod 601 and the spool rod 604 are respectively arranged at two sides of the yarn storage pipe shaft 603, the shifting fork pull rod 601, the spool rod 604 and the yarn storage pipe shaft 603 are positioned on the same straight line, one end of the shifting fork pull rod 601 is fixedly connected with one end of the hollow interior 110 of the base 101 close to the weaving surface, the other end extends along the axial direction of the base 101, the extending end is fixedly connected with the shifting fork 602, the shifting fork 602 extends along the radial direction of the base 101, and is fixedly connected with a yarn storage pipe shaft 603 and a yarn pipe top rod 604 in turn, one end of the yarn pipe top rod 604 far away from the knitting surface is fixedly connected with the base 101 through a yarn pipe spring 605, the corresponding other end extends axially along the base 101, and the spool spring 605 extends and retracts axially along the base 101.

In this embodiment, a shifting fork switch 608 for controlling the shifting fork 602 to lift is disposed on the shifting fork rod 601.

In this embodiment, the shift fork rod 601 is disposed on the penetrating portion 1111 of the first side surface 111, one end of the shift fork rod 601 is fixedly connected to one end of the hollow interior 110 of the base 101, which is close to the knitting surface, and the other end extends along the axial direction of the base 101 and passes through the slider 1051 and the slider linear bearing 106, and the distance from the shift fork switch 608 to the knitting surface is shorter than the distance from the slider 1051 to the knitting surface.

In this embodiment, the yarn storage device 100 further includes a yarn breakage detecting piece 301 for detecting yarn breakage of the yarn storage device 100, the yarn breakage detecting piece 301 is fixedly connected with one end, far away from the knitting surface, of the slider linear bearing 106, the shifting fork pull rod 601 extends axially along the base 101 and penetrates through the slider 1051, the slider linear bearing 106 and the yarn breakage detecting piece 301, and an inward concave groove is formed in the inner side of the yarn breakage detecting piece 301 so as to mount the shifting fork 602.

In this embodiment, in the knitting process, the lower yarn wheel 105 is driven by the yarn to move towards one end of the knitting surface, when the lower yarn wheel 105 moves to the position of the shift fork switch 608, the yarn tension is too large at this time, the lower yarn wheel 105 continues to move towards one end of the knitting surface and the shift fork switch 608 is turned on, the shift fork switch 608 controls the shift fork 602 to lift towards one end of the knitting surface, the spool spring 605 is driven by the shift fork 602 to stretch towards one end of the knitting surface, and then the spool rod 604 is driven to retract towards the end far away from the knitting surface, at this moment, the shift fork 602 on one side of the shift fork pull rod 601 lifts towards one end of the knitting surface, the spool rod 604 retracts towards the end far away from the knitting surface, the yarn storage shaft 603 rotates under the action of the high end and the low end, and the.

Example eight

As shown in fig. 2 to 7, in the present embodiment, the tension adjusting unit 600 further includes a support 606, one end of the support 606 is fixedly connected to the sliding block 1051, the other end of the support 606 extends along the axial direction of the base 101 and is fixedly connected to one end of the hollow interior 110 of the base 101 near the weaving surface through a support spring 607, and the support spring 607 can extend and retract along the axial direction of the base 101.

In this embodiment, the tension adjusting unit 600 includes at least two support posts 606, and each support post 606 is symmetrically disposed about the shift rod 601.

In this embodiment, when the yarn tension is too small, the lower yarn wheel 105 moves to the side far away from the knitting surface, and the strut spring 607 stretches to drive the strut 606 to move to the end close to the knitting surface, so as to increase the yarn tension.

Example nine

As shown in fig. 9 to 11, the present embodiment describes a yarn breakage detecting system 300 for a three-dimensional automatic knitting apparatus 1000, the yarn breakage detecting system 300 includes a yarn breakage detecting piece 301 and a proximity sensor 302, the yarn breakage detecting piece 301 is disposed on a yarn storage 100 of the three-dimensional automatic knitting apparatus 1000, and the proximity sensor 302 is disposed on a track plate 200 of the three-dimensional automatic knitting apparatus 1000; during the knitting process, the broken yarn detection piece 301 leaves the sensing area of the proximity sensor 302 under the action of the yarn, when the yarn storage device 100 is broken, the broken yarn detection piece 301 falls into the sensing area of the proximity sensor 302, the proximity sensor 302 senses the broken yarn detection piece 301, and the three-dimensional automatic knitting equipment 1000 is judged to be broken. The three-dimensional automatic weaving equipment can realize the real-time broken thread detection function by arranging the broken thread detection system on the three-dimensional automatic weaving equipment, and in the weaving process, as long as any one yarn storage device has the broken thread condition, the broken thread detection system can detect the broken thread condition, so that the automatic three-dimensional weaving equipment can stop running and give an alarm.

In this embodiment, in the knitting process, the yarn storage 100 can move along the periphery of the track disc 200 under the action of the motor, and meanwhile, the broken yarn detection piece 301 can be lifted to one side of the knitting surface along the axial direction of the yarn storage 100 under the action of the yarn, and the broken yarn detection piece 301 and the proximity sensor 302 are located on the same side of the track disc 302; in the normal weaving process, the broken yarn detection piece 301 is lifted to one side of the weaving surface under the action of the yarn and completely leaves the sensing area of the proximity sensor 302, at the moment, the proximity sensor 302 cannot detect the broken yarn detection piece 301, and the three-dimensional automatic weaving equipment 1000 normally runs; when the yarn storage device 100 is broken, the broken yarn detection sheet 301 falls back to the original position under the action of self gravity and falls into the sensing area of the proximity sensor 302, and at the moment, the proximity sensor 302 senses the broken yarn detection sheet 301 and judges that the three-dimensional automatic knitting equipment 1000 is broken.

In this embodiment, the yarn storage device 100 includes a base 101 and a base lower disc 103, the base 101 extends to two ends along the axial direction of the yarn storage device 100, and is hollow to form a supporting framework of the yarn storage device 100, so as to fix the yarn storage tube 108, the upper yarn passing wheel 104, the lower yarn passing wheel 105, and the like of the yarn storage device 100, the base lower disc 103 is disposed on one side of the base 101, which is far away from the weaving surface, the base disc column 107 vertically passes through the base lower disc 103, and one end of the end portion of the base 101, which is far away from the weaving surface, is fixedly connected to fix the base lower disc 103.

In this embodiment, the track disc 200 is partially clamped between the base 101 and the base lower disc 103, the yarn storage device 100 can rotate around the periphery of the track disc 200, the broken yarn detection sheet 301 is arranged inside the base 101 of the yarn storage device 100 and located at one end of the base 101 far away from the weaving surface, and the proximity sensor 302 is arranged in an unclamped area of the track disc 200 and located at one end of the track disc 200 close to the weaving surface.

In this embodiment, a base plate 102 is arranged at one end of the base plate 101, which is far away from the weaving surface, the base plate 102 is used for supporting and fixing the base plate 101, the base plate 102 and the base plate 101 are fixedly connected and coaxially arranged, the base plate 101 is in a hollow cylindrical shape, the base plate 102, the base lower plate 103 and the track plate 200 are all in a circular cake shape, the diameters of the base plate 101 and the base plate 102 are equal, the base plate 101, the base plate 102, the track plate 200 and the base lower plate 103 are arranged in parallel, the base plate 101 and the base lower plate 103 are respectively arranged at two sides of the base plate 102, the base plate column 107 vertically penetrates through the center of the base lower plate 103 and is fixed with one end of the base plate 102, which is far away from the weaving surface, and one end of the base plate 102, which is; the rail plate 200 is partially sandwiched between the base plate 102 and the base lower plate 103.

Example ten

As shown in fig. 9 to 11, in this embodiment, the yarn storage 100 further includes an upper yarn passing wheel 104 and a lower yarn passing wheel 105, the upper yarn passing wheel 104 and the lower yarn passing wheel 105 are used for transmitting the yarn in the yarn storage 100 to the knitting surface under the driving of the motor 109, both the upper yarn passing wheel 104 and the lower yarn passing wheel 105 are disposed inside the hollow portion of the base 101, the upper yarn passing wheel 104 is disposed inside the base 101 at an end close to the knitting surface, the lower yarn passing wheel 105 is disposed inside the base 101 at an end far from the knitting surface, and the yarn is respectively wound on each upper yarn passing wheel 104 and each lower yarn passing wheel 105 in a wavy manner, so that the yarn can be unwound under the action of tension.

In this embodiment, the thread breakage detecting piece 301 is disposed inside the hollow portion of the base 101 and located at one end of the base 101 far from the knitting surface, and is located at one side of the upper thread passing wheel 104 far from the knitting surface, the lower thread passing wheel 105 is fixed at one end of the thread breakage detecting piece 301 close to the knitting surface, the lower thread passing wheel 301 is disposed at one end of the thread breakage detecting piece 301 close to the knitting surface, and one end correspondingly far from the knitting surface contacts with the inside of the base 101; in the normal knitting process, the breakage detecting piece 301 is lifted up to the upper yarn passing wheel 104 side, that is, to the knitting surface side along the axial direction of the yarn storage by the yarn wound around the upper yarn passing wheel 104 and the lower yarn passing wheel 105 in this order.

In this embodiment, the wire breakage detecting piece 301, the upper wire passing wheel 104, and the lower wire passing wheel 105 are all located on the peripheral curved surface of the base 101, smoothly transition with the peripheral curved surface of the base 101, and extend along the circumferential direction of the base 101.

In this embodiment, the yarn breakage detecting piece 301 and the upper yarn guide wheel 104 may be disposed on different sides of the outer peripheral curved surface of the base 101, and preferably, the yarn breakage detecting piece 301, the upper yarn guide wheel 104 and the lower yarn guide wheel 105 are disposed coaxially, and the axis thereof is parallel to the axis of the yarn storage 1000.

In this embodiment, one end of the broken line detection piece 301 close to the weaving surface is provided with a slider linear bearing 106 for fixedly mounting the lower wire passing wheel 105, one end of the slider linear bearing 106 far away from the weaving surface is fixedly connected with the broken line detection piece 301, and the end corresponding to the end close to the weaving surface is fixedly connected with the lower wire passing wheel 105; the broken line detection piece 301, the slider linear bearing 106, the upper wire passing wheel 104 and the lower wire passing wheel 105 are all positioned on the peripheral curved surface of the base 101 and extend along the circumferential direction of the base 101; preferably, the thread breakage detecting piece 301, the slider linear bearing 106, the upper thread guiding wheel 104 and the lower thread guiding wheel 105 are coaxially arranged, and the axis of the thread breakage detecting piece is parallel to the axis of the yarn storage 1000.

EXAMPLE eleven

As shown in fig. 9 to 11, in the present embodiment, the proximity sensor 302 is disposed in the unclamped region of the track plate 200, one end of the proximity sensor 302 is fixedly connected to the track plate 200, the other end extends toward the weaving surface side in the direction perpendicular to the track plate 200, the proximity sensor 302 is provided with a working surface 3021 for detecting the disconnection detecting piece 301 toward one end of the disconnection detecting piece 301, and the working surface 3021 is disposed perpendicular to the track plate 200.

In this embodiment, one end of the working surface 3021, which is away from the knitting surface, is flush with one end of the broken line detection sheet 301, which is away from the knitting surface, and the linear distance between the working surface 3021 and the broken line detection sheet 301 is within the sensing range of the working surface 3021; during the normal knitting process, the broken thread detection piece 301 is lifted towards one side of the knitting surface under the action of the yarn, and one end, far away from the knitting surface, of the broken thread detection piece 301 is higher than one end, close to the knitting surface, of the working surface 3021.

In this embodiment, a plurality of proximity sensors 302 are disposed on the track disk 200, and each proximity sensor 302 is disposed around the periphery of the track disk 200 and symmetrically disposed about the center of the track disk 200.

In this embodiment, the track disc 200 is further provided with a proximity sensor seat, the proximity sensor seat is fixedly connected with the track disc 200 through a screw structure, and the proximity sensor 200 is mounted on the proximity sensor seat and fixedly connected with the proximity sensor seat through a screw structure, so that the proximity sensor 200 is fixed on the track disc 200.

Example twelve

As shown in fig. 9 to 11, in this embodiment, during normal knitting, the broken yarn detecting piece 301 is lifted toward the knitting surface side by the yarn, an end of the broken yarn detecting piece 301 away from the knitting surface is higher than an end of the working surface 3021 close to the knitting surface of the proximity sensor 302, the broken yarn detecting piece 301 is away from the sensing area of the proximity sensor 302, the proximity sensor 302 does not detect the broken yarn detecting piece 301, and the three-dimensional automatic knitting apparatus 1000 operates normally.

In this embodiment, when the yarn storage device 100 breaks, the yarn breakage detection piece 301 falls back to the original position under the action of its own gravity and falls into the sensing area of the proximity sensor 302, one end of the yarn breakage detection piece 301, which is far away from the knitting surface, is flush with one end of the knitting surface, which is far away from the working surface 3021 of the proximity sensor 302, the proximity sensor 302 senses the yarn breakage detection piece 301 and generates a yarn breakage signal, the single chip microcomputer of the three-dimensional automatic knitting device 1000 collects the yarn breakage signal and sends the yarn breakage signal to the upper computer of the three-dimensional automatic knitting device 1000, the upper computer stops sending the knitting instruction and sends an alarm to prompt the three-dimensional automatic knitting device 1000 to break the yarn.

EXAMPLE thirteen

As shown in fig. 12 to 16, the present embodiment describes a rotational positioning system 700 for a three-dimensional automatic knitting machine, the rotational positioning system 700 includes a rotary encoder 705 and a rotary positioning sensor 706, the rotary encoder 705 is circumferentially and rotatably disposed on a knitting station of the three-dimensional automatic knitting machine, the rotary positioning sensor 706 is fixedly disposed on the knitting station of the three-dimensional automatic knitting machine, during knitting, the rotary encoder 705 rotates circumferentially around an axis of the knitting station together with the knitting station, the rotary positioning sensor 706 detects an angle of rotation of the rotary encoder 705 to determine a knitting station rotation angle, and when the rotary positioning sensor 706 detects the set rotation angle, the three-dimensional automatic knitting machine controls the knitting station to stop rotating.

In this embodiment, the rotary encoder 705 is provided with an opening, and the rotary position sensor 706 detects the opening to determine the angle of rotation of the rotary encoder 705 during the rotation of the rotary encoder around the axis of the knitting station, so as to control the knitting station and the rotary encoder 705 to stop rotating. The rotational position sensor 706 may be a photoelectric sensor or other sensor capable of detecting an opening.

Example fourteen

As shown in fig. 12 to 16, in the present embodiment, the rotary encoder 705 includes a ring-shaped positioning encoder 7051, the positioning encoder 7051 is disposed coaxially with the knitting station, the rotary positioning sensor 706 includes a positioning sensor 7061, a positioning hole 7054 is disposed on the positioning encoder 7051, the positioning encoder 7051 rotates circumferentially around the axis of the positioning encoder 7051 together with the knitting station during the knitting process, and the three-dimensional automatic knitting apparatus controls the knitting station to stop rotating when the positioning sensor 7061 detects the positioning hole 7054 of the positioning encoder 7051.

In this embodiment, the positioning sensor 7061 is disposed inside the positioning code wheel 7051, two positioning operating portions 7065 are disposed on the positioning sensor 7061, the two positioning operating portions 7065 are disposed opposite to each other in the vertical direction, the positioning code wheel 7051 is disposed in the vertical gap between the two positioning operating portions 7065, and the two positioning operating portions 7065 are engaged with each other to detect the positioning hole 7054 on the positioning code wheel 7051. When the positioning sensor 7061 detects the positioning hole 7054, the positioning sensor 7061 judges that the knitting station rotates in place, and the three-dimensional automatic knitting equipment controls the knitting station to stop rotating.

In this embodiment, the positioning sensor 7061 is a horizontally disposed U-shaped structure, the opening of the U-shaped positioning sensor 7061 faces the positioning code wheel 7051 horizontally, the two positioning operating portions 7065 are both disposed at the opening end of the U-shaped positioning sensor 7061, the two positioning operating portions 7065 are disposed opposite to each other vertically, an upper gap and a lower gap between the two positioning operating portions 7065 form the opening of the U-shaped positioning sensor 7061, and the positioning code wheel 7051 is disposed in the opening of the U-shaped positioning sensor 7061.

In the embodiment, the length range of the positioning hole 7054 on the positioning code wheel 7051 is 1-4mm, and the width range is 0.5-2 mm.

In this embodiment, the rotational positioning system 700 further includes a detecting bottom plate 704 and a code wheel spacer 702 for fixedly mounting the positioning code wheel 7051 and the positioning sensor 7061, the detecting bottom plate 704 is disposed perpendicular to the axis of the knitting station, the code wheel spacer 702 is cylindrical, the code wheel spacer 702 is hollow and the hollow interior thereof penetrates through the upper and lower side surfaces of the code wheel spacer 702, the code wheel spacer 702 is disposed coaxially with the knitting station and above the detecting bottom plate 704, the positioning code wheel 7051 is disposed in the hollow interior of the code wheel spacer 702, the positioning code wheel 7051 is fixedly connected to the code wheel spacer 702 and coaxially with the code wheel spacer 702, and the bottom of the positioning sensor 7061 is fixedly connected to the detecting bottom plate 704.

In this embodiment, the detection bottom plate 704 is provided with a positioning sensor base 7063, and the positioning sensor base 7063 is respectively and fixedly connected with the detection bottom plate and the positioning sensor 7061, so that the positioning sensor 7063 is fixed on the detection bottom plate 704.

In this embodiment, the axes of the weaving stations are in a vertical orientation with the probe base 704 lying horizontally.

In this embodiment, a code wheel support lower ring 703 with the same diameter is arranged below the code wheel isolation ring 702, the code wheel support lower ring 703 is in a ring shape and is coaxially connected with the code wheel isolation ring 702, and the lower end of the code wheel support lower ring 703 is placed on the detection bottom plate 704.

In the embodiment, a coded disc support upper cover 701 with the same diameter is arranged above the coded disc isolating ring 702, the lower end of the coded disc support upper cover 701 is coaxially connected with the coded disc isolating ring 702, a coded disc support 7053 is further arranged inside the coded disc isolating ring 702, and the coded disc support 7053 is fixedly connected with the inner periphery of the coded disc isolating ring 702 and the positioning coded disc 7051 respectively.

In this embodiment, the upper cover 701 of the code wheel bracket and the detecting bottom plate 704 are respectively provided with a corresponding through hole for installing a rotating shaft, the through holes and the weaving station are coaxially arranged, and the rotating shaft rotates to drive the upper cover 701 of the code wheel bracket, the code wheel isolating ring 702, the lower ring 703 of the code wheel bracket and the positioning code wheel 7051 to rotate together.

Example fifteen

As shown in fig. 12 to 16, in this embodiment, the rotary code disc 705 further includes a circular ring-shaped counting code disc 7052, the rotary positioning sensor 706 further includes a counting sensor 7062, and a plurality of counting holes 7055 uniformly distributed along the circumferential direction are provided on the counting code disc 7052. During weaving, the counting code discs 7052 rotate circumferentially around the axis of the weaving station along with the weaving station, and when the counting sensor 7062 detects a set number of counting holes 7055 of the counting code discs 7052, the three-dimensional automatic weaving equipment controls the rotation speed of the weaving station to be reduced.

In this embodiment, the count sensor 7062 is arranged on the inner side of the count code disc 7052, two count working parts 7066 are arranged on the count sensor 7062, the two count working parts 7066 are arranged up and down relatively, the count code disc 7052 is arranged in an upper gap and a lower gap of the two count working parts 7066, and the two count working parts 7066 are mutually matched to detect the number of the count holes 7055 on the count code disc 7052. When the count sensor 7062 detects the set number of count holes 7055, the count sensor 7062 determines that the knitting station rotates by a specified angle, and the three-dimensional automatic knitting apparatus controls the knitting station to decrease in rotation speed.

In this embodiment, the count sensor 7062 is the U type structure of horizontal placement, the opening level of U type count sensor 7062 is towards count code disc 7052, two count work portions 7066 all set up the open end at U type count sensor 7062, two count work portions 7066 set up relatively from top to bottom, the upper and lower clearance between two count work portions 7066 has constituted U type count sensor 7062's opening, count code disc 7052 is located U type count sensor 7062's opening.

In this embodiment, the counting hole 7055 on the counting code disk 7052 has a length range of 1-4mm and a width range of 0.5-2 mm.

In the embodiment, the counting code disc 7052 is coaxially arranged in the hollow inner part of the code disc isolating ring 702 and is positioned above the positioning code disc 7051, the diameters of the counting code disc 7052 and the positioning code disc 7051 are equal, the counting code disc 7052 is higher than the topmost end of the positioning working part 7065 of the positioning sensor 7061, and the positioning code disc 7051 is lower than the bottommost end of the counting working part 7066 of the positioning sensor 7062.

In this embodiment, the bottom of the counting sensor 7062 is fixedly connected to the detection base plate 704, and the counting code plate 7052 is fixedly connected to the inner periphery of the code plate spacer 702 via a code plate holder 7053.

In this embodiment, the detection base plate 704 is provided with a counting sensor base 7064, and the counting sensor base 7064 is fixedly connected to the detection base plate 704 and the counting sensor 7062, respectively, so as to fix the counting sensor 7062 to the detection base plate 704.

In this embodiment, the rotary position sensor 706 includes a plurality of position sensors 7061 and a count sensor 7062, each position sensor 7061 is circumferentially spaced within the code wheel spacer 702, and the count sensor 7062 can be disposed between any two position sensors 7061.

Example sixteen

As shown in fig. 12 to 16, in the present embodiment, during the knitting process, the knitting station rotates circumferentially around the axis of the knitting station under the control of the clutch control system, and the positioning code wheel 7051 and the counting code wheel 7052 rotate circumferentially around the axis of the knitting station together with the knitting station, and the rotation speeds of the three are the same.

In this embodiment, during the rotation, the counting sensor 7062 detects the counting holes 7055 of the counting dial 7052 passing through the counting operation portion 7065 of the counting sensor 7062, and when the counting sensor 7062 detects a set number of the counting holes 7055, it is determined that the weaving station has rotated by a set angle, the counting sensor 7062 sends a signal to the single chip microcomputer, and the single chip microcomputer controls the rotation speed of the weaving station to be reduced.

In this embodiment, when the rotation speed of the knitting station is reduced, the positioning code wheel 7051 is also reduced in speed, the positioning sensor 7061 detects the positioning hole 7054 of the positioning code wheel 7051 passing through the positioning working portion 7065 of the positioning sensor 7061, and when the set positioning sensor 7061 detects the positioning hole 7054, the positioning sensor 7061 sends a signal to the single chip microcomputer, and the single chip microcomputer determines that the knitting station is rotated in place and controls the knitting station to stop rotating.

As shown in fig. 17 to 18, the present embodiment describes a knitting station 800 for a three-dimensional automatic knitting apparatus 1000, the knitting station 800 includes a clamp section 801 and a rotational positioning system 700, a clamp 8011 for clamping a yarn storage 100 of the three-dimensional automatic knitting apparatus 1000 is provided on the clamp section 801, the clamp 8011 can rotate circumferentially around an axis of the knitting station 800 together with the clamp section 801, and the rotational positioning system 700 is used for controlling the clamp section 801 to rotate to a designated position.

In this embodiment, the clamp section 801 and the rotational positioning system 700 are coaxially disposed with the knitting station 800, the clamp 8011 clamps the yarn storage device 100 to rotate circumferentially during knitting, and when the rotational positioning system 700 determines that the clamp 8011 rotates to a specific position, the clamp 8011 stops rotating.

In this embodiment, the knitting station 800 further includes a rotating shaft 802, the rotating shaft 802 is located at the center of the knitting station 800 and extends to two ends along the axial direction of the knitting station 800, the rotating shaft 802 respectively passes through the clamp section 801 and the rotating positioning system 700, the clutch control system 805 controls the rotating shaft 802 to circumferentially rotate clockwise, counterclockwise and stop rotating, and the rotating shaft 802 drives the clamp section 801 and the rotating positioning system 700 to circumferentially rotate.

In this embodiment, the rotating shaft 802 sequentially passes through the clamp section 801 and the rotational positioning system 700 from the end close to the weaving surface to the end far from the weaving surface, the rotating shaft 802 can circumferentially rotate clockwise, rotate counterclockwise and stop rotating, and the rotating shaft 802 drives the clamp 8011 and the rotational positioning system 700 to circumferentially rotate.

In this embodiment, an umbrella tooth 807 is disposed at an end of the rotating shaft 802 away from the knitting surface.

Example seventeen

As shown in fig. 17 to 18, in the present embodiment, the clip section 801 includes a clip mounting plate 8012, the clip mounting plate 8012 is disposed perpendicular to an axis of the knitting station 800, the clip 8011 is fixedly mounted on the clip mounting plate 8012, and the rotating shaft 802 passes through the center of the clip mounting plate 8012 and drives the clip mounting plate 8012 to rotate clockwise and counterclockwise circumferentially.

In this embodiment, the clamp 8011 is fixed to the clamp mounting plate 8012 in the radial direction of the knitting station 800 and is retractable in the radial direction of the knitting station 800, and when the clamp 8011 extends outward in the radial direction of the knitting station 800, it holds the yarn storage device 100 and rotates together with the yarn storage device 100 in the circumferential direction of the knitting station 800; when clip 8011 is retracted radially inward of knitting station 800, yarn storage 100 is released and circumferential rotation is stopped.

In this embodiment, the rotating shaft 802 drives the clip mounting plate 8012 to rotate, and the clip is fixedly mounted on the clip mounting plate 8012 and rotates together with the clip mounting plate 8012. When the rotating shaft 802 starts to rotate, the clamp 8011 and the clamp mounting plate 8012 rotate together with the rotating shaft 802 in the circumferential direction, and the clamp 8011 extends outwards in the radial direction of the weaving station 800, clamps the yarn storage device 100 and carries the yarn storage device 100 to rotate together in the circumferential direction of the weaving station 800; when the rotation shaft 802 stops rotating, the clip 8011 and the clip mounting plate 8012 stop rotating circumferentially, and the clip 8011 releases the yarn storage 100 and retracts inward in the radial direction of the knitting station 800.

In this embodiment, a knitting station motor 804 is disposed at an end of the clip section 801 away from the knitting surface, and the knitting station motor 804 controls the radial expansion and contraction of the clip 8011. Rack gears 8013 extending along the radial direction of the knitting station 800 are arranged on the clamp 8011, a clamp gear 8014 arranged in cooperation with the rack gears 8013 is further arranged on the clamp mounting plate 8012, the clamp gear 8014 and the rack gears 8013 are matched to control the radial expansion and contraction of the clamp 8011, and the motor 804 of the knitting station controls the radial expansion and contraction of the clamp 8011 through controlling the clamp gear 8014.

In this embodiment, clip section 801 also includes a micro-switch that indicates the end point of extension and retraction of clip 8011.

In this embodiment, the clip section 801 is provided with a plurality of clips 8011, and the clips 8011 are circumferentially distributed at equal angles; preferably, four clips 8011 are disposed on the clip segment 801, and the clips 8011 are disposed at an interval of 90 ° and are symmetrically disposed about the rotation axis 802.

EXAMPLE eighteen

As shown in fig. 17 to 18, in the present embodiment, the knitting station 800 includes a clutch control system 805, and the clutch control system 805 includes the following three states:

(1) is connected with a motor of the three-dimensional automatic weaving device 1000 and controls the rotating shaft 802 to rotate clockwise in the circumferential direction;

(2) is connected with a motor of the three-dimensional automatic weaving device 1000 and controls the rotating shaft 802 to rotate anticlockwise in the circumferential direction;

(3) and is disconnected from the motor of the three-dimensional automatic weaving apparatus 1000, and the rotation shaft 802 is controlled to stop rotating.

Example nineteen

As shown in fig. 17 to 18, in the present embodiment, the knitting station 800 includes a power control system including three states:

(1) controlling the rotating shaft 802 to rotate clockwise in the circumferential direction;

(2) controlling the rotating shaft 802 to rotate circumferentially counterclockwise;

(3) the rotation shaft 802 is controlled to stop rotating.

Example twenty

As shown in fig. 17 to 18, in the present embodiment, the knitting station 800 further includes a track disc 200, the track disc 200 is located at one end of the knitting station 800 close to the knitting surface, one end of the track disc 200 close to the knitting surface is provided with a proximity sensor 302 for detecting the thread breakage of the yarn storage 100, and one end of the track disc 200 far from the knitting surface is provided with a position detection sensor 402 for detecting the in-place movement of the yarn storage 100;

in this embodiment, a lifting ring 803 is provided at the center of the track disk 200 near the knitting surface, and the lifting ring 803 extends along the axial direction of the knitting station 800 for lifting and placing the knitting station 800 during maintenance.

In this embodiment, the braiding station 800 further comprises a conductive slip ring 806, one end of the conductive slip ring 806 is fixedly connected with the rotary positioning system 804, and the other end of the conductive slip ring 806 extends along the axial direction of the braiding station and is fixedly connected with the clutch control system 805, and is used for supplying power to the rotating shaft 802, the clamp section 801 and the rotary positioning system 804.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A three-dimensional automatic knitting apparatus, comprising a frame, a plurality of yarn stores and a plurality of knitting stations, the knitting stations being disposed within a hollow interior of the frame and forming an array within the frame;

in the knitting process, the knitting station rotates around the axis of the knitting station in the circumferential direction, and each yarn storage device moves around the periphery of the knitting station on the end face, close to the knitting face, of the frame under the clamping action of the knitting station, so that yarns carried by each yarn storage device are knitted with each other, and a three-dimensional knitted fabric is formed at the knitting face;

the knitting station further comprises a rotary positioning system, the rotary positioning system detects the rotating angle of the knitting station in the knitting process, when the rotary positioning system detects the set rotating angle, the knitting station is judged to drive the yarn storage device to rotate to the specified position, and the three-dimensional automatic knitting equipment controls the knitting station to stop rotating.

2. Three-dimensional automatic weaving device according to claim 1, characterized in that the frame is provided, at the end close to the weaving surface, with a support plate for supporting the yarn storage, the support plate being arranged perpendicular to the axis of the weaving station, the yarn storage resting on the end of the support plate close to the weaving surface.

3. The three-dimensional automatic knitting equipment as claimed in claim 2, characterized in that one end of each knitting station near the knitting surface is provided with a track disc, the track disc is arranged coaxially with the knitting station, the supporting plate is provided with circular hollows equal in number to the track discs, the track discs are placed in the hollows, the diameters of the hollows are larger than the diameters of the track discs to form an annular track, and the yarn storage device moves around the periphery of the track discs in the annular track.

4. The three-dimensional automatic weaving device of claim 3, characterized in that the track disc is pie-shaped and is coaxially arranged with the hollowed-out portion, and the track disc is flush with the support disc.

5. The apparatus of claim 3, wherein adjacent openings intersect to form shared nests of adjacent knitting stations, the yarn accumulator moving through the shared nests onto adjacent endless tracks circumferentially around the track discs of adjacent knitting stations.

6. The three-dimensional automatic weaving device of any one of claims 1 to 5, characterized in that the yarn storage device comprises a base plate column and a base, the base plate column and the base plate column both extend along the axial direction of the weaving station, the base plate column is arranged at one end of the yarn storage device far away from the weaving surface, the base plate is arranged at one end of the yarn storage device close to the weaving surface, and the base plate column are fixedly arranged; the base is shelved in the backup pad, and base dish post passes in annular rail stretches into the frame, weaves station centre gripping base dish post and circumferential direction to drive yarn storage ware in annular rail, around the periphery removal of track dish.

7. The three-dimensional automatic knitting machine as claimed in claim 6, wherein the yarn storage device further includes a yarn storage tube, a yarn transferring unit for transferring the yarn from the yarn storage tube to the knitting surface, and a tension adjusting unit for adjusting tension of the yarn during the yarn transferring process so that the yarn is unwound under tension.

8. The three-dimensional automatic weaving device according to any one of claims 1 to 5, characterized in that the weaving station comprises a clamp section, the clamp section is arranged on one side of the track disc far away from the weaving surface and can rotate circumferentially around the axis of the weaving station, a clamp is arranged on the clamp section, and the clamp clamps the base disc seat to drive the yarn storage device to move around the periphery of the track disc in the annular track.

9. The three-dimensional automatic knitting equipment as claimed in any one of claims 1 to 5, further comprising a thread breakage detecting system including a thread breakage detecting piece provided on the yarn storage and a proximity sensor provided on the knitting station; in the weaving process, the broken line detection piece leaves the sensing area of the proximity sensor under the action of the yarn, when the yarn storage device breaks, the broken line detection piece falls into the sensing area of the proximity sensor, and the proximity sensor senses the broken line detection piece to judge that the three-dimensional automatic weaving equipment breaks.

10. The three-dimensional automatic knitting machine as claimed in claim 9, characterized in that the thread breakage detecting piece is provided on a base of the yarn storage device on a side of the supporting plate near the knitting surface, and the proximity sensor is provided on the rail plate at an end of the rail plate near the knitting surface.

11. The apparatus according to any one of claims 1 to 5, further comprising a motor for driving the weaving station in a circumferential clockwise rotation and a circumferential counterclockwise rotation.