CN109440295B - A broken string detecting system for three-dimensional automatic equipment of weaving - Google Patents
A broken string detecting system for three-dimensional automatic equipment of weaving Download PDFInfo
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- CN109440295B CN109440295B CN201811430595.9A CN201811430595A CN109440295B CN 109440295 B CN109440295 B CN 109440295B CN 201811430595 A CN201811430595 A CN 201811430595A CN 109440295 B CN109440295 B CN 109440295B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
- D04C3/48—Auxiliary devices
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Abstract
The invention discloses a broken wire detection system for three-dimensional automatic weaving equipment, which comprises: the yarn breakage detection piece is arranged on a yarn storage device of the three-dimensional automatic knitting equipment; the proximity sensor is arranged on a track disc of the three-dimensional automatic weaving equipment; 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 broken line occurs, 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 has broken lines. 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.
Description
Technical Field
The invention belongs to the technical field of three-dimensional automatic weaving equipment, particularly relates to a broken wire detection system for the three-dimensional automatic weaving equipment, and particularly relates to a broken wire detection system for a large-capacity yarn storage device suitable for the three-dimensional automatic weaving 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 weaving equipment often takes place the broken string accident in the course of the work, if the broken string accident takes place and the machine continues to work, must produce the defective goods. The three-dimensional weaving equipment is provided with the broken line detection device, when the equipment is subjected to broken line production, the detection device can detect and send out an alarm, and meanwhile, a shutdown command is sent out to the three-dimensional weaving equipment, so that the production problem can be solved.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a broken thread detection system for three-dimensional automatic knitting equipment, so as to realize the purpose of real-time broken thread detection.
In order to solve the technical problems, the invention adopts the technical scheme that:
a broken yarn detection system for a three-dimensional automatic knitting apparatus, comprising:
the yarn breakage detection piece is arranged on a yarn storage device of the three-dimensional automatic knitting equipment;
the proximity sensor is arranged on a track disc of the three-dimensional automatic weaving equipment;
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.
Further, the yarn storage device can move along the periphery of the track disc, the broken yarn detection piece can be lifted to one side of the weaving surface along the axial direction of the yarn storage device under the action of the yarns, and the broken yarn detection piece and the proximity sensor are located on the same side of the track disc; in the normal weaving process, the broken line detection piece 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, and when the broken line occurs, the broken line detection piece falls back to the original position and falls into the sensing area of the proximity sensor.
Further, store up the yarn ware and include base and base lower wall, the base extends to both ends along the axial of storing up the yarn ware, is the fretwork form, and the base lower wall is located keeping away from of base and weaves face one side, and track dish part centre gripping is between base and base lower wall, and the broken string detects the piece setting inside the base, is located keeping away from of base and weaves face one end, and proximity sensor sets up the face one end of weaving that is close to at the track dish.
Preferably, the one end of keeping away from the face of weaving of base is equipped with the bed plate, bed plate and base looks fixed connection to coaxial setting, the base is the cylindric of fretwork, and bed plate, base lower wall, track dish are the cake form, bed plate, base lower wall and track dish three parallel arrangement, and track dish part centre gripping is between bed plate and base lower wall.
Further, yarn storage device still includes and goes up line wheel and lower line wheel, goes up line wheel and lower line wheel and all sets up the inside at the base, goes up the line wheel setting and weaves a one end near inside being close to of base, and the broken string detects the piece and sets up the face one side of weaving of keeping away from of last line wheel, the face one end is woven in the inside keeping away from of base, and lower line wheel is fixed and is being close to the one end of weaving the face at the broken string detection piece, normally weave the in-process, the broken string detects the piece and upwards crosses line wheel one side promotion along the axial of yarn storage device under the effect of the yarn of last, lower line wheel is crossed in proper order in the winding.
Furthermore, the broken line detection piece, the upper wire passing wheel and the lower wire passing wheel are positioned on the periphery of the base, are in smooth transition with the peripheral curved surface of the base and extend along the circumferential direction of the base.
Furthermore, one end of the broken line detection piece, which is close to the weaving surface, is provided with a slider linear bearing, one end of the slider linear bearing, which is far away from the weaving surface, is fixedly connected with the broken line detection piece, and the other end of the slider linear bearing, which corresponds to the broken line detection piece, is connected with the lower line passing wheel.
Further, proximity sensor sets up in the track dish by the clamping area in, proximity sensor's one end and track dish looks fixed connection, and the other end extends to weaving face one side along with track dish looks vertical direction, and proximity sensor is equipped with the working face that is used for detecting the broken string and detects the piece towards broken string detection piece one end.
Furthermore, one end of the working surface, which is far away from the weaving surface, is flush with one end of the broken line detection piece, which is far away from the weaving surface, and the linear distance between the working surface and the broken line detection piece is in the sensing range of the working surface; in the normal course of weaving, the broken string detects the piece and promotes to weaving face one side under the effect of yarn, and the broken string detects the one end of keeping away from of piece and weaves face one end that is higher than the working face and is close to and weaves face one end.
Furthermore, a plurality of proximity sensors are arranged on the track disc, and each proximity sensor is arranged around the circumference of the track disc.
Preferably, the proximity sensors are disposed on the track disc at equal angular intervals.
Furthermore, in the normal weaving process, the broken line detection piece is lifted to one side of the weaving surface under the action of the yarn, one end, far away from the weaving surface, of the broken line detection piece is higher than one end, close to the weaving surface, of the working surface of the proximity sensor, and the broken line detection piece leaves the sensing area of the proximity sensor; under the condition of wire breakage, the wire breakage detection piece falls into the sensing area of the proximity sensor, the proximity sensor senses the wire breakage detection piece to generate a wire breakage signal, the single chip microcomputer of the three-dimensional automatic weaving equipment collects the wire breakage signal and sends the wire breakage signal to the upper computer of the three-dimensional automatic weaving equipment, and the upper computer stops sending a weaving instruction and gives an alarm to prompt the three-dimensional automatic weaving equipment to generate wire breakage.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. 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.
2. The broken line detection system has the characteristics of simple structure, small volume, stable and reliable detection, insensitivity to dust, economy, practicability and easiness in maintenance.
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 view of the distribution of proximity sensors in an embodiment of the present invention;
FIG. 13 is a schematic view of the distribution of proximity sensors in another embodiment of the present invention;
fig. 14 is a schematic view of the distribution of proximity sensors in a further 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 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 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, so as to fixedly install the upper yarn passing wheel 104.
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 8, 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. 2 to 8, in this embodiment, the yarn transfer unit 500 further includes a cylindrical exit pulley 1091, the cylindrical exit pulley 1091 is disposed at one end of the base 101 close to the knitting surface, and the yarn is transferred from the yarn storage 108 to the cylindrical exit pulley 1091 through the upper and lower pulleys 104 and 105, and then transferred to the knitting surface through the cylindrical exit pulley 1091.
In this embodiment, an outlet pillar fixing block 1092 is disposed at one end of the base 101 close to the knitting surface, one end of the outlet pillar fixing block 1092 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 to one end of the knitting surface along the axial direction of the base 101, an outlet pillar 109 extending along the axial direction of the base 101 is disposed at one end of the outlet pillar fixing block 1092 close to the knitting surface, the outlet pillar pulley 1091 is fixedly mounted on the outlet pillar 109, and the outlet pillar pulley 1091 is designed as a universal wheel. Through set up universal wheeled leading-out post line wheel in the base near weaving one end, along with the constantly change of yarn storage ware direction at the weaving in-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 exit pillar wheels 1091, and the exit pillar wheels 1091 are fixed to the exit pillar 109 at intervals along the axial direction of the base 101.
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 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 periphery of the post fixing block 1092 does not exceed the 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 woven surface is near the second side surface of the base 101, and the post fixing block 1092 is located at the end of the first side surface 111 of the base 101 near the woven surface. An inner wire wheel 1093 is arranged on one side, close to the axis of the base 101, of the wire outgoing column fixing block 1092, the axis of the yarn storage tube 108 passes through one end, close to the weaving surface, of the base 101 through the upper wire wheel 104 and the lower wire wheel 105, is transmitted to the wire outgoing column wire wheel 1091 through the inner wire wheel 1093, and then is transmitted to the weaving surface through the wire outgoing column 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 line wheel 105 is driven by the yarn to move towards one end of the knitting surface, when the lower line wheel 105 moves to the position of the shift fork switch 608, the yarn tension is too large at this time, the lower line wheel 105 continues to move towards one end of the knitting surface and the shift fork switch 608 is opened, 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 ejector 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 ejector rod 604 retracts towards the end far away from the knitting surface, the yarn storage shaft 603 rotates under the action of one end high and one end low, the unwinding of the yarn is accelerated, and the yarn tension is adjusted.
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 detection system 300 for a three-dimensional automatic knitting apparatus 1000, the yarn breakage detection system 300 includes a yarn breakage detection piece 301 and a proximity sensor 302, the yarn breakage detection 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 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 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 close to the weaving surface, is fixed with the base plate 101; 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 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 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 woven 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 broken-line detection piece 301 toward one end of the broken-line detection 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 twelve
As shown in fig. 12, in the present embodiment, two proximity sensors 302 are disposed on the track disc 200, and the two proximity sensors 302 are disposed on the same diameter of the track disc 200 and are symmetrical with respect to the center of the track disc 200.
EXAMPLE thirteen
As shown in fig. 13, in the present embodiment, three proximity sensors 302 are disposed on the track disk 200, and the proximity sensors 302 are disposed at an interval of 120 ° and are symmetrical with respect to the center of the track disk 200.
Example fourteen
As shown in fig. 14, in the present embodiment, four proximity sensors 302 are disposed on the track disk 200, and the sensors 302 are disposed at 90 ° intervals and are symmetrical with respect to the center of the track disk 200.
Example fifteen
As shown in fig. 9 to 14, 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 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 operates normally.
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.
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 (10)
1. A broken wire detection system for a three-dimensional automatic knitting device, comprising: store up yarn ware, store up yarn ware and include: storing the bobbin; a yarn transfer unit for transferring the yarn from the yarn storage tube to the knitting surface; a tension adjusting unit for adjusting the tension of the yarn in the yarn transferring process so as to unwind the yarn under the action of the tension; the base is used for fixedly mounting the yarn storage tube, the yarn transfer unit and the tension adjusting unit;
the yarn transmission unit comprises a plurality of upper yarn passing wheels and a plurality of lower yarn passing wheels, wherein the upper yarn passing wheels are distributed at intervals along the circumferential direction of the base at one end, close to the weaving surface, in the hollow interior of the base, and the lower yarn passing wheels are distributed at intervals along the circumferential direction of the base at one end, far away from the weaving surface, in the hollow interior of the base; the projections of the upper wire passing wheels and the lower wire passing wheels on the middle shaft surface are arranged at intervals in a staggered manner; the yarns are transferred from the yarn storage tube to each upper yarn passing wheel and each lower yarn passing wheel, and the yarns form a snake-shaped trend on each upper yarn passing wheel and each lower yarn passing wheel;
the yarn breakage detection piece is arranged on a yarn storage device of the three-dimensional automatic knitting equipment; the broken line detection piece is positioned on the periphery of the base, is in smooth transition with the peripheral curved surface of the base and extends along the circumferential direction of the base;
the proximity sensor is arranged on a track disc of the three-dimensional automatic weaving equipment; the track disc is provided with a plurality of proximity sensors, and each proximity sensor is arranged around the circumference of the track disc and is symmetrically arranged around the center of the track disc;
in the knitting process, the yarn storage device can move along the periphery of the track disc, one end, close to the knitting surface, of the broken line detection piece is provided with a slider linear bearing, one end, far away from the knitting surface, of the slider linear bearing is fixedly connected with the broken line detection piece, and the other corresponding end of the slider linear bearing is connected with a lower yarn passing wheel on the yarn storage device; the broken thread detection piece leaves the induction area of the proximity sensor under the action of the yarn, when the yarn storage device breaks, the broken thread detection piece falls into the induction area of the proximity sensor, the proximity sensor senses the broken thread detection piece, and the three-dimensional automatic weaving equipment is judged to break.
2. The thread breakage detecting system for the three-dimensional automatic knitting equipment as claimed in claim 1, wherein the thread breakage detecting piece is lifted to one side of the knitting surface along the axial direction of the yarn storage under the action of the yarn, and the thread breakage detecting piece and the proximity sensor are located on the same side of the track disc; in the normal weaving process, the broken line detection piece 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, and when the broken line occurs, the broken line detection piece falls back to the original position and falls into the sensing area of the proximity sensor.
3. The system of claim 2, wherein the yarn storage device comprises a base and a lower base plate, the base extends towards two ends along the axial direction of the yarn storage device and is hollow, the lower base plate is located on one side, away from the knitting surface, of the base, the track plate is clamped between the base and the lower base plate, the yarn breakage detection piece is arranged inside the base and located at one end, away from the knitting surface, of the base, and the proximity sensor is arranged at one end, close to the knitting surface, of the track plate.
4. The system of claim 3, wherein a base plate is disposed at an end of the base away from the knitting surface, the base plate is fixedly connected to the base and coaxially disposed, the base is hollow cylindrical, the base plate, the lower base plate and the track plate are disc-shaped, the base plate, the lower base plate and the track plate are disposed in parallel, and the track plate is partially sandwiched between the base plate and the lower base plate.
5. The broken thread detection system for the three-dimensional automatic knitting equipment as claimed in any one of claims 1 to 4, characterized in that the yarn storage device further comprises an upper yarn passing wheel and a lower yarn passing wheel, the upper yarn passing wheel and the lower yarn passing wheel are both arranged inside the base, the upper yarn passing wheel is arranged at one end, close to the knitting surface, inside the base, the broken thread detection piece is arranged at one side, far away from the knitting surface, of the upper yarn passing wheel, one end, far away from the knitting surface, inside the base, of the lower yarn passing wheel is fixed at one end, close to the knitting surface, of the broken thread detection piece, and in the normal knitting process, the broken thread detection piece is lifted up to one side of the yarn passing wheel along the axial direction of the yarn storage device under the action of yarns sequentially wound on the upper yarn passing wheel and the lower yarn passing wheel.
6. The system of claim 5, wherein the upper and lower wire guide wheels are located on the outer periphery of the base, smoothly transition with the curved surface of the outer periphery of the base, and extend along the circumferential direction of the base.
7. The thread breakage detecting system for the three-dimensional automatic knitting equipment as claimed in any one of claims 1 to 4, wherein the proximity sensor is provided in an unclamped region of the rail plate, one end of the proximity sensor is fixedly connected to the rail plate, the other end of the proximity sensor extends toward the knitting surface side in a direction perpendicular to the rail plate, and a working surface for detecting the thread breakage detecting piece is provided at an end of the proximity sensor facing the thread breakage detecting piece.
8. The broken line detection system for the three-dimensional automatic weaving equipment as claimed in claim 7, characterized in that one end of the working surface far away from the weaving surface is flush with one end of the broken line detection piece far away from the weaving surface, and the linear distance between the working surface and the broken line detection piece is within the sensing range of the working surface; in the normal course of weaving, the broken string detects the piece and promotes to weaving face one side under the effect of yarn, and the broken string detects the one end of keeping away from of piece and weaves face one end that is higher than the working face and is close to and weaves face one end.
9. The thread breakage detecting system for the three-dimensional automatic knitting equipment as claimed in any one of claims 1 to 4, wherein a plurality of proximity sensors are provided on the rail disc, each proximity sensor being provided circumferentially around the rail disc; the proximity sensors are arranged on the track disc at equal angular intervals.
10. The broken yarn detection system for the three-dimensional automatic weaving equipment as claimed in any one of claims 1 to 4, wherein during normal weaving, the broken yarn detection piece is lifted to one side of the weaving surface under the action of the yarn, one end of the broken yarn detection piece, which is far away from the weaving surface, is higher than one end, which is close to the weaving surface, of the working surface of the proximity sensor, and the broken yarn detection piece is away from the sensing area of the proximity sensor; under the condition of wire breakage, the wire breakage detection piece falls into the sensing area of the proximity sensor, the proximity sensor senses the wire breakage detection piece to generate a wire breakage signal, the single chip microcomputer of the three-dimensional automatic weaving equipment collects the wire breakage signal and sends the wire breakage signal to the upper computer of the three-dimensional automatic weaving equipment, and the upper computer stops sending a weaving instruction and gives an alarm to prompt the three-dimensional automatic weaving equipment to generate wire breakage.
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| CN201811430595.9A CN109440295B (en) | 2018-11-28 | 2018-11-28 | A broken string detecting system for three-dimensional automatic equipment of weaving |
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| CN201811430595.9A CN109440295B (en) | 2018-11-28 | 2018-11-28 | A broken string detecting system for three-dimensional automatic equipment of weaving |
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| CN113897731B (en) * | 2021-10-13 | 2023-08-15 | 江苏高倍智能装备有限公司 | Yarn breakage detection method for horizontal braiding machine and horizontal braiding machine |
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| CN107557976A (en) * | 2017-10-25 | 2018-01-09 | 湖州新思电子商务有限公司 | A kind of silk textiles process broken thread detector |
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| JPH09119047A (en) * | 1995-10-20 | 1997-05-06 | Nippon Mayer Kk | Knitting monitoring in torchon lace machine |
| CN101654845A (en) * | 2009-09-02 | 2010-02-24 | 韩百峰 | Line-breaking stoppage electronic controller of knitting machine |
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