CN109440296B

CN109440296B - Weaving station for three-dimensional automatic weaving equipment

Info

Publication number: CN109440296B
Application number: CN201811430669.9A
Authority: CN
Inventors: 李静; 李姗姗; 王京红; 杨桂
Original assignee: China Textile Academy
Current assignee: China Textile Academy
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-06-19
Anticipated expiration: 2038-11-28
Also published as: CN109440296A

Abstract

The invention discloses a knitting station for three-dimensional automatic knitting equipment, which comprises a clamp section, wherein a clamp for clamping a yarn storage device of the three-dimensional automatic knitting equipment is arranged on the clamp section, and the clamp can rotate circumferentially around the axis of the knitting station along with the clamp section; a rotational positioning system for controlling rotation of the clip segments to a specified position. 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, utilizes rotational positioning system control storage yarn ware's removal angle, and the weaving station can arrange the combination according to the product demand wantonly simultaneously, can satisfy the processing demand of the three-dimensional knitting of multiple structure, saves equipment cost.

Description

Weaving station for three-dimensional automatic weaving equipment

Technical Field

The invention belongs to the field of textile machinery, and particularly relates to a knitting station for 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 fabrics have unique structures and functions and have 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.

The three-dimensional automatic knitting machine is a three-dimensional knitting fabric processing device, and a knitting station is a core driving part of the device. More typical three-dimensional automatic knitting machines have two types, namely a stepping type and a rotating type, such as chinese patents CN1312408A and CN107780042A, wherein the driving mode of the stepping type three-dimensional automatic knitting machine mostly adopts pneumatic driving, and each row and each column has a group of driving sources; the driving mode of the rotary three-dimensional automatic braiding machine is mainly that a motor of a braiding station capable of reducing speed drives a driving plate to rotate through a series of gear transmissions, and the rotating driving plate drives spindles in a driving plate groove to run in a staggered mode in a track.

The two driving modes are single in operation, are only suitable for knitting of a certain three-dimensional knitted fabric, limit the wide use of the three-dimensional automatic knitting machine, cannot carry out the development and trial knitting of a new process on the knitting machine, and cannot meet the development requirement of a three-dimensional knitting technology.

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 a knitting station for three-dimensional automatic knitting equipment so as to realize the control of whether the knitting station participates in knitting, the rotating direction and the rotating angle.

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

a knitting station for a three-dimensional automatic knitting apparatus, comprising:

the clamp section is provided with a clamp for clamping a yarn storage device of the three-dimensional automatic weaving equipment, and the clamp can rotate circumferentially around the axis of the weaving station along with the clamp section;

a rotational positioning system for controlling rotation of the clip segments to a specified position.

Further, the clamp section, the rotary positioning system and the weaving station are coaxially arranged, the clamp clamps the yarn storage device to rotate in the circumferential direction in the weaving process, and when the rotary positioning system judges that the clamp rotates to the appointed position, the clamp stops rotating.

The weaving machine further comprises a rotating shaft, the rotating shaft is located in the center of the weaving station and extends to two ends along the axial direction of the weaving station, the rotating shaft penetrates through the clamp sections and the rotary positioning system respectively, the rotating shaft can rotate clockwise in the circumferential direction, rotate anticlockwise and stop rotating, and the rotating shaft drives the clamp sections and the rotary positioning system to rotate in the circumferential direction.

Preferably, the rotating shaft sequentially penetrates through the clamp section and the rotary positioning system from one end close to the weaving surface to one end far away from the weaving surface, and the rotating shaft drives the clamp and the rotary positioning system to rotate circumferentially.

Further, the clamp is arranged along the radial direction of the weaving station and can stretch and retract along the radial direction of the weaving station, when the clamp extends outwards along the radial direction of the weaving station, the clamp clamps the yarn storage device and carries the yarn storage device to rotate around the circumferential direction of the weaving station together, and when the clamp retracts inwards along the radial direction of the weaving station, the yarn storage device is loosened and stops rotating.

Preferably, one end of the clamp section, which is far away from the knitting surface, is provided with a knitting station motor, the clamp is provided with a rack which extends along the radial direction of the knitting station, the clamp section is also provided with a clamp gear which is matched with the rack, and the knitting station motor controls the radial expansion of the clamp by controlling the clamp gear.

Furthermore, the clip section is equipped with a plurality of clips, and each clip is the angular circumference interval distribution such as equal.

Further, the rotary positioning system comprises a rotary coded disc and a rotary positioning sensor, the rotary coded disc and the clip section rotate circumferentially together along with the rotary shaft, the rotary positioning sensor is used for detecting the rotating angle of the rotary coded disc, when the rotary positioning sensor detects that the rotary coded disc rotates by a specified angle, it is judged that the clip section rotates to a specified position, and the rotary shaft stops rotating.

Preferably, the rotary coded disc comprises a counting coded disc and a positioning coded disc, the rotary positioning sensor comprises a counting sensor and a positioning sensor, a plurality of counting holes which are uniformly distributed along the circumferential direction are formed in the counting coded disc, a positioning hole is formed in the positioning coded disc, when the counting sensor detects the counting holes with the set number, the rotation speed of the rotating shaft is reduced until the corresponding positioning sensor detects the positioning hole, and the rotating shaft stops rotating.

Further, a clutch control system is included, the clutch control system being connectable to a motor of the three-dimensional automatic knitting apparatus to control circumferential clockwise rotation and circumferential counterclockwise rotation of the rotary shaft, and the clutch control system being disconnectable from the motor to control the rotary shaft to stop rotating.

Further, the device also comprises a power control system, wherein the power control system controls the rotating shaft to rotate clockwise in the circumferential direction, rotate anticlockwise in the circumferential direction and stop rotating.

And the yarn storage device further comprises a track disc, the track disc is positioned at one end, close to the weaving surface, of the weaving station, a proximity sensor used for detecting the broken line of the yarn storage device is arranged at one end, close to the weaving surface, of the track disc, and a position detection sensor used for detecting the movement of the yarn storage device in place is arranged at one end, far away from the weaving surface, of the track disc.

Preferably, the centre of the rail disc, near the weaving face, is provided with a lifting loop extending in the axial direction of the weaving station for lifting and placing the weaving station.

And one end of the conductive slip ring is fixedly connected with the rotary positioning system, and the other end of the conductive slip ring extends along the axial direction of the weaving station and is used for supplying power to the rotating shaft, the clamping section and the rotary positioning system.

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

1. 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, utilizes rotational positioning system control storage yarn ware's removal angle, and the weaving station can arrange the combination according to the product demand wantonly simultaneously, can satisfy the processing demand of the three-dimensional knitting of multiple structure, saves equipment cost.

2. The weaving station has a modular structure, is convenient to process and reduces the cost; in the three-dimensional weaving process, the start and the stop of the weaving station can be changed or the yarn storers can be increased or decreased according to the process requirements.

3. The weaving station is convenient to maintain and can be integrally replaced and maintained.

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 schematic structural diagram of a three-dimensional automatic knitting device in a knitting state in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a three-dimensional automatic knitting device in an embodiment of the present invention when a yarn break occurs;

FIG. 6 is a schematic diagram of a proximity sensor in an embodiment of the present invention;

FIG. 7 is a schematic view showing the structure of a yarn storage position detecting system in the embodiment of the present invention;

FIG. 8 is a schematic view of the structure of a position detection sensor in the embodiment of the present invention;

FIG. 9 is a schematic diagram of a rotational positioning system in an embodiment of the present invention;

FIG. 10 is a schematic diagram of the internal structure of a rotational positioning system in an embodiment of the present invention;

FIG. 11 is a structural schematic diagram of a positioning code wheel in an embodiment of the invention;

FIG. 12 is a schematic diagram of a count code disk according to an embodiment of the present invention;

FIG. 13 is a schematic diagram of a rotary position sensor in an embodiment of the present invention;

FIG. 14 is a schematic diagram of a distribution of rotational position sensors in an embodiment of the present invention;

FIG. 15 is a schematic view of the distribution of rotational position sensors in another embodiment of the present invention;

FIG. 16 is a schematic view of a rotational position sensor arrangement according to yet another 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 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 3, 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 arranged 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 installed at one side of the upper yarn passing wheel fixing block 1041, which faces the outside of the yarn storage device 100.

In this embodiment, a slider 1051 and a slider linear bearing 106 matched with the sliders 1 to 51 are fixedly disposed at one end of the hollow interior 110 of the base 101, the slider 1051 and the slider linear bearing 106 are both located on the penetrating portion 1111 of the first side surface 111 of the base 101, extend along the circumferential direction of the base 101, and smoothly transition with the non-penetrating portion of the first side surface of the base 101, the slider 1051 is fixedly connected with one end of the slider linear bearing 106 close to the woven surface, the lower wire guide wheel 104 is mounted on the slider 1051, the lower wire guide wheel 105 can slide towards one end of the woven surface under the action of yarn tension, and as the lower wire guide wheel 105, the slider 1051 and the slider linear bearing 106 are fixedly connected with each other, when the lower wire guide wheel 105 slides towards one end of the woven surface under the action of yarn tension, the slider 1051 and the slider linear bearing 106 also slide towards one end of the woven surface together.

Example four

As shown in fig. 2 to 3, in the present embodiment, the yarn transferring unit 500 includes a plurality of upper yarn guiding wheels 104 and a plurality of lower yarn guiding wheels 105, each upper yarn guiding wheel 104 is spaced at an end of the hollow interior 110 of the base 101 close to the weaving surface along the circumferential direction of the base 101, each lower yarn guiding wheel 105 is spaced at an end of the hollow interior 110 of the base 101 far from the weaving surface along the circumferential direction of the base 101, and projections of each upper yarn guiding wheel 104 and each lower yarn guiding 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 portions 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 on the same smooth curved surface as the non-penetrating portions 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 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. 4 to 6, the present embodiment describes a thread breakage detecting system 300 for a three-dimensional automatic knitting apparatus 1000, the thread breakage detecting system 300 includes a thread breakage detecting piece 301 and a proximity sensor 302, the thread 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 disc 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 yarn breakage 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 yarn breakage 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 in a hollow shape, so as to form a supporting framework of the yarn storage device 100, so as to fix a yarn storage tube 108, an upper yarn passing wheel 104, a 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, a 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, so as to fix the base lower.

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; the rail plate 200 is partially sandwiched between the base plate 102 and the base lower plate 103.

EXAMPLE six

As shown in fig. 4 to 6, 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 one end of the thread breakage detecting piece 301 close to the knitting surface is provided with the lower thread passing wheel 301, 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 sequence.

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 thread breakage detecting piece 301 close to the weaving surface is provided with a slider linear bearing 106 for fixedly mounting the lower thread passing wheel 105, one end of the slider linear bearing 106 far away from the weaving surface is fixedly connected with the thread breakage detecting piece 301, and the other end corresponding to the end close to the weaving surface is fixedly connected with the lower thread 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 seven

As shown in fig. 4 to 6, 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; in the normal weaving process, the broken line detection piece 301 is lifted towards one side of the weaving surface under the action of the yarn, and one end, far away from the weaving surface, of the broken line detection piece 301 is higher than one end, close to the weaving 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 eight

As shown in fig. 4 to 6, in the present 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 of the proximity sensor 302 close to the knitting surface, 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 normally operates.

In this embodiment, when yarn storage 100 takes place the broken string condition, broken string detects piece 301 and falls back to the normal position under self action of gravity, fall into proximity sensor 302's induction zone, the one end of weaving the face of keeping away from of broken string detection piece 301 is parallel and level with the working face 3021 of proximity sensor 302's working face one end of keeping away from, proximity sensor 302 senses broken string detection piece 301, produce the broken string signal, this broken string signal is gathered to three-dimensional automatic weaving equipment 1000's singlechip, with this broken string signal transmission to three-dimensional automatic weaving equipment 1000's host computer, the host computer stops to send the instruction of weaving, and send out the police dispatch newspaper, the suggestion three-dimensional automatic weaving equipment 1000 takes place the broken string.

Example nine

As shown in fig. 7 to 8, in the present embodiment, a yarn storage position detecting system 400 for a three-dimensional automatic knitting machine 1000 is introduced, the yarn storage position detecting system 400 includes a signal loop 401 and a position detecting sensor 402, the signal loop 401 is disposed on a yarn storage 100 of the three-dimensional automatic knitting machine 1000, the position detecting sensor 402 is disposed on a track plate 200 of the three-dimensional automatic knitting machine 1000, during knitting, when the signal loop 401 moves to a specified position along with the yarn storage 100, the signal loop 401 enters a sensing area of the position detecting sensor 402, the position detecting sensor 402 detects the signal loop 401, and it is determined that the yarn storage 100 reaches the specified position. Through set up yarn storage device position detecting system on three-dimensional automatic weaving equipment, not only realized storing up yarn device position detection's function, can also learn the quantity of current yarn storage device and the range position condition of yarn storage device in arbitrary weaving unit through this detecting system to can implement the whole range condition and the range position of monitoring current three-dimensional automatic weaving equipment's yarn storage device.

In this embodiment, the signal ring 401 moves around the periphery of the track disc 200 together with the yarn storage 100 under the action of the motor, the signal ring 401 and the position detection sensor 402 are located on the same side of the track disc 200, during the knitting process, when the signal ring 401 moves to a specified position along with the yarn storage 100, the signal ring 401 enters the sensing area of the position detection sensor 402, the position detection sensor 402 detects the signal ring 401, and determines that the yarn storage 100 reaches the specified position, so as to prompt that the three-dimensional automatic knitting device 1000 can perform a next knitting program; when the signal ring 401 moves to a non-specified position along with the position detection sensor 402, the signal ring 401 leaves the sensing area of the position detection sensor 402, and it is determined that the yarn storage 100 does not reach the specified position.

Example ten

As shown in fig. 7, in the present embodiment, the yarn storage device 100 includes a base 101, the base 101 extends to two ends along an axial direction of the yarn storage device 100, the base 101 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 for unwinding the yarn, the signal loop 401 is disposed on a side of the base 101 away from the knitting surface, the track disc 200 is partially clamped between the base 101 and the signal loop 401, the position detection sensor 402 is disposed on a side of the track disc 200 away from the knitting surface, and both the signal loop 401 and the position detection sensor 402 are located on a side of the track disc 200 away from the knitting surface, so that when the yarn storage device 100 is located at the designated position, the signal loop 401 can enter a sensing area of the position detection sensor 402.

In this embodiment, the yarn storage device 100 further includes a base plate column 107, one end of the base plate column 107 is fixedly connected to one end of the base 101 far from the weaving surface, the other end extends along the axial direction of the base 101 and passes through the signal ring 401 to fix the signal ring 401, and the signal ring 401 is fixedly connected to the base plate column 107.

In this embodiment, the base 101 is in a hollow cylindrical shape, the base disc column 107 is in a cylindrical shape, the signal ring 401 is in a circular ring shape, and the base 101, the base disc column 107 and the signal ring 401 are coaxially arranged; preferably, the diameter of the signal ring 401 is no greater than the diameter of the base 101, and the inner diameter of the signal ring 401 matches the diameter of the base plate posts 107.

In this embodiment, a base plate 102 is disposed at an end of the base 101 far from the knitting surface, the base plate 102 is fixedly connected to the base 101 and coaxially disposed to support and fix the base 101, an end of the base plate 102 near the knitting surface is fixedly connected to the base 101, and an end of the base plate 102 far from the knitting surface is fixedly connected to the base plate column 107. The base plate column 107 has one end fixedly connected to the base plate 102 and the other end extending in the axial direction of the base 101 and passing through the signal ring 401. The base plate 102 and the track plate 200 are both in a round cake shape, the base plate 102, the track plate 200 and the signal ring 401 are arranged in parallel, and the track plate 200 is partially clamped between the base plate 102 and the signal ring 401.

In this embodiment, one end of the signal ring 401, which is far away from the knitting surface, is provided with a lower base plate 103 for supporting and fixing the signal ring, the lower base plate 103 is coaxially arranged with the signal ring 401 and is fixedly connected with the signal ring 401, one end of a base plate column 401 is fixedly connected with the base plate 102, and the other end extends along the axial direction of the base 101 and penetrates through the signal ring 401 and the lower base plate 103; the diameter of the base lower plate 103 is equal to the diameter of the signal ring 401.

EXAMPLE eleven

As shown in fig. 7 to 8, in the present embodiment, the position detection sensor 402 is disposed in an unclamped region of the track disk 200 at an end of the track disk 200 far from the woven surface, the position detection sensor 402 extends in a radial direction of the track disk 200, and a detection surface 4021 for detecting the signal loop 401 is provided at an end of the position detection sensor 402 facing the signal loop 401.

In the present embodiment, the position detection sensor 402 may be any sensor of the related art, such as a proximity sensor.

In this embodiment, the end of the detection surface 4021 close to the knitting surface is not lower than the end of the signal loop 401 close to the knitting surface, the end of the detection surface 4021 far from the knitting surface is not higher than the end of the signal loop 401 far from the knitting surface, and the shortest straight-line distance between the detection surface 4021 and the signal loop 200 is within the sensing range of the detection surface 4021.

In this embodiment, the track disk 200 is provided with a plurality of position detection sensors 402, and each position detection sensor 402 is provided at intervals around the track disk 200 in the circumferential direction.

Example twelve

As shown in fig. 7 to 8, in this embodiment, during the knitting process, the yarn storage device 100 moves along the outer periphery of the track disc 200 under the action of the motor of the three-dimensional automatic knitting device 1000, when the yarn storage device 100 moves to a specified position, the signal loop 401 enters the sensing area of the corresponding position detection sensor 402, the corresponding position detection sensor 402 detects the signal loop 402 and generates an arrival signal, the single-chip microcomputer of the three-dimensional automatic knitting device 1000 collects the arrival signal and determines that the yarn storage device 100 arrives at the specified position, and the single-chip microcomputer sends a next knitting program instruction.

In this embodiment, when the corresponding position detection sensor 402 does not detect the signal ring 402, the single chip microcomputer does not acquire an arrival signal, determines that the yarn storage device 100 does not arrive at the designated position, controls the yarn storage device 100 to move continuously until the designated position is reached, or sends out an alarm to prompt a user to maintain the three-dimensional automatic knitting device 1000.

EXAMPLE thirteen

As shown in fig. 9 to 16, the present embodiment describes a rotational positioning system 700 for a three-dimensional automatic knitting apparatus, 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 apparatus, the rotary positioning sensor 706 is fixedly disposed on the knitting station of the three-dimensional automatic knitting apparatus, 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 apparatus 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. 9 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 horizontally faces the positioning code wheel 7051, 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 in the vertical direction, the vertical gap between the two positioning operating portions 7065 forms 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 is disposed 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. 9 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 device controls the speed of rotation 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 rotation speed to decrease.

In this embodiment, count sensor 7062 is the U type structure that the level was placed, U type count sensor 7062's opening level is towards count yardage wheel 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 yardage wheel 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 this embodiment, the counting code disc 7052 is coaxially arranged in the hollow interior of the code disc spacer 702 and 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 portion 7065 of the positioning sensor 7061, and the positioning code disc 7051 is lower than the bottommost end of the counting working portion 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 the code plate bracket 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. 14, in the present embodiment, two positioning sensors 7061 are disposed on the detection base 704, and the two positioning sensors 7061 are disposed on the same diameter of the detection base 704 and are symmetrical with respect to the center of the detection base 704.

In the present embodiment, the count sensor 7062 is disposed between two positioning sensors 7061.

Example seventeen

As shown in fig. 15, in the present embodiment, three positioning sensors 7061 are disposed on the detection substrate 704, and the positioning sensors 7061 are disposed at an interval of 120 ° and are symmetrical with respect to the detection substrate 704.

In the present embodiment, the count sensor 7062 is provided between any two of the positioning sensors 7061.

EXAMPLE eighteen

As shown in fig. 16, in the present embodiment, four positioning sensors 7061 are disposed on the detection substrate 704, and the positioning sensors 7061 are disposed at an interval of 90 ° and are symmetrical with respect to the detection substrate 704.

Example nineteen

As shown in fig. 9 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.

Example twenty

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 device 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 twenty one

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 the clamp 8011 holds the yarn storage 100 while extending outward in the radial direction of the knitting station 800 and rotates around the circumferential direction of the knitting station 800 together with the yarn storage 100; 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 cooperate 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 by 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 twenty two

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 twenty three

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-four

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 weaving station for a three-dimensional automatic weaving device, characterized in that it comprises:

a rotational positioning system for controlling the clip segments to rotate to a specified position;

the rotating shaft is positioned in the center of the weaving station and extends to two ends along the axial direction of the weaving station, the rotating shaft respectively penetrates through the clamp sections and the rotary positioning system, the rotating shaft can rotate clockwise in the circumferential direction, rotate anticlockwise and stop rotating, and the rotating shaft drives the clamp sections and the rotary positioning system to rotate in the circumferential direction;

the rotary positioning system comprises a rotary coded disc and a rotary positioning sensor, the rotary coded disc and the clip section rotate circumferentially together along with the rotary shaft, the rotary positioning sensor is used for detecting the rotating angle of the rotary coded disc, when the rotary positioning sensor detects that the rotary coded disc rotates by a specified angle, it is judged that the clip section rotates to a specified position, and the rotary shaft stops rotating.

2. The knitting station for the three-dimensional automatic knitting equipment as claimed in claim 1, characterized in that the clamp section and the rotary positioning system are arranged coaxially with the knitting station, the clamp clamps the yarn storage device to rotate circumferentially during knitting, and when the rotary positioning system determines that the clamp rotates to a specified position, the clamp stops rotating.

3. The knitting station of claim 1, wherein the rotating shaft passes through the clamp section and the rotational positioning system sequentially from an end near the knitting surface to an end away from the knitting surface, and the rotating shaft drives the clamp and the rotational positioning system to rotate circumferentially.

4. The knitting station for the three-dimensional automatic knitting equipment as claimed in any of claims 1 to 3, characterized in that said clips are arranged in a radial direction of the knitting station and are retractable in the radial direction of the knitting station, the clips, when extended outward in the radial direction of the knitting station, grip the yarn storage and carry the yarn storage together to rotate in the circumferential direction of the knitting station, and when the clips are retracted inward in the radial direction of the knitting station, release the yarn storage and stop rotating;

the clamp section is characterized in that one end of the clamp section, which is far away from the weaving surface, is provided with a weaving station motor, the clamp is provided with a rack which extends along the radial direction of the weaving station, the clamp section is also provided with a clamp gear which is matched with the rack, and the weaving station motor controls the radial expansion of the clamp by controlling the clamp gear.

5. Weaving station for an automatic three-dimensional weaving device according to claim 4, characterized in that the clamp segments are provided with a plurality of clamps, which are equally angularly circumferentially spaced.

6. The knitting station for the three-dimensional automatic knitting equipment as claimed in claim 5, characterized in that the rotary encoder includes a counting encoder and a positioning encoder, the rotary positioning sensor includes a counting sensor and a positioning sensor, the counting encoder is provided with a plurality of counting holes uniformly distributed in the circumferential direction, the positioning encoder is provided with a positioning hole, when the counting sensor detects a set number of counting holes, the rotation speed of the rotary shaft is reduced until the corresponding positioning sensor detects the positioning hole, and the rotary shaft stops rotating.

7. The knitting station for the three-dimensional automatic knitting apparatus as claimed in claim 1, further comprising a clutch control system connectable to a motor of the three-dimensional automatic knitting apparatus to control the circumferential clockwise rotation and the circumferential counterclockwise rotation of the rotary shaft, and disconnectable from the motor to control the rotary shaft to stop rotating.

8. The knitting station for the three-dimensional automatic knitting apparatus as claimed in claim 1, further comprising a power control system that controls the rotation of the rotating shaft in the clockwise direction, in the counterclockwise direction, and stops the rotation.

9. The knitting station for the three-dimensional automatic knitting equipment as claimed in claim 1, characterized by further comprising a rail disc, wherein the rail disc is located at one end of the knitting station close to the knitting surface, a proximity sensor for detecting the broken thread of the yarn storage device is arranged at one end of the rail disc close to the knitting surface, and a position detection sensor for detecting the in-place movement of the yarn storage device is arranged at one end of the rail disc far away from the knitting surface;

the center of the track disc, the end near the weaving surface is provided with a lifting ring, and the lifting ring extends along the axial direction of the weaving station and is used for lifting and placing the weaving station.

10. The braiding station of claim 1, further comprising a conductive slip ring having one end fixedly connected to the rotational positioning system and the other end extending in an axial direction of the braiding station for supplying power to the rotating shaft, the clamp segments, and the rotational positioning system.