CN108251925B - Bobbin head retaining device and method - Google Patents
Bobbin head retaining device and method Download PDFInfo
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- CN108251925B CN108251925B CN201810230680.4A CN201810230680A CN108251925B CN 108251925 B CN108251925 B CN 108251925B CN 201810230680 A CN201810230680 A CN 201810230680A CN 108251925 B CN108251925 B CN 108251925B
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- yarn
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/38—Arrangements for winding reserve lengths of yarn on take-up packages or spindles, e.g. transfer tails
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention relates to a bobbin head retaining device and a method, wherein the bobbin head retaining device comprises a fixing frame, a head retaining rotary table, a shearing clamp holder and a shearing clamp driving device; the mount has fixed platform, fixed platform is equipped with first trompil and second trompil, stay first carousel setting and be located first trompil below on fixed platform, it is cyclic annular structure to stay first carousel, it is equipped with the hole of threading, the hole of threading runs through the lower terminal surface and the hole side of staying first carousel, the spool of waiting to stay the head can put into simultaneously in first trompil and the hole of staying first carousel, the shearing holder passes the second trompil and penetrates in the hole of staying first carousel, the shearing holder drive arrangement is connected with the upper end of shearing holder, the lower extreme of shearing holder is close to the hole of threading, the shearing holder can shear and the centre gripping yarn. The bobbin head retaining device and the bobbin head retaining method can effectively improve the automation degree and the production efficiency of hollow bobbin head retaining work in the spinning production process, and reduce the working strength of spinning operation staff.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a yarn tube head retaining device and a yarn tube head retaining method.
Background
In the spinning process of the spinning frame, the fully-wound bobbin needs to be taken down after the bobbin is fully wound, and the empty bobbin needs to be replaced. The yarn variety is replaced by winding the base yarn on the empty bobbin, and then guiding the yarn by using the yarn end of the base yarn to realize the joint. The hollow tube end-retaining operation is an indispensable operation in the whole spinning process, however, the traditional spinning production process needs to be manually wound to finish the end-retaining operation, so that the labor intensity of workers is high and the production efficiency is low.
Disclosure of Invention
Based on the problems, such as high labor intensity and low production efficiency, of the traditional yarn winding process, the yarn winding is needed to finish the yarn retaining operation, and the yarn spool yarn retaining device and the yarn spool yarn retaining method are provided.
A yarn tube head retaining device comprises a fixing frame, a head retaining rotary table, a shearing clamp holder and a shearing clamp driving device; the fixing frame is provided with a fixing platform, the fixing platform is provided with a first opening and a second opening, the head retaining rotary table is arranged on the fixing platform and located below the first opening, the head retaining rotary table is of an annular structure with an inner hole, the head retaining rotary table is provided with a yarn through hole, the yarn through hole penetrates through the lower end face of the head retaining rotary table and the side face of the inner hole, a bobbin to be retained can be simultaneously placed in the first opening and the inner hole of the head retaining rotary table, the shearing clamp penetrates through the second opening and penetrates into the inner hole of the head retaining rotary table, the shearing clamp driving device is connected with the upper end of the shearing clamp, the lower end of the shearing clamp is close to the yarn through hole, and the shearing clamp can shear and clamp yarns.
In one embodiment, the bobbin head retaining device further comprises a turntable driving device, the turntable driving device comprises a motor and a transmission turntable, an output shaft of the motor is connected with the center of the transmission turntable, and the transmission turntable is in transmission connection with the head retaining turntable.
In one embodiment, the head-retaining turntable is of a rolling bearing structure, an inner ring of the head-retaining turntable is fixed on the fixing frame, and an outer ring of the head-retaining turntable can rotate relative to the inner ring.
In one embodiment, the lower end surface of the head-remaining rotary disk is a concave cambered surface.
In one embodiment, the yarn tube retaining device further comprises a yarn grabbing device, wherein the yarn grabbing device is used for grabbing a yarn tube to be retained and placing the grabbed yarn tube into an inner hole of the retaining head rotating disc and fixing the yarn tube.
In one embodiment, the shearing clamp holder is a cuboid winding and unwinding rod with a hook-shaped part at the lower end, a first side surface of the hook-shaped part is an elastic rubber surface or is provided with a round corner edge, a second side surface opposite to the first side surface is provided with a sharp edge, the shearing clamp holder is driven by the shearing clamp holder to move in a telescopic mode, when the hook-shaped part is retracted to the second open hole, the first side surface can be matched with the hole wall of the second open hole to clamp and fix yarns wound on the shearing clamp holder, and the second side surface can be matched with the hole wall of the second open hole to cut yarns wound on the shearing clamp holder.
In one embodiment, the shearing clamp comprises a control rod and a shearing clamp mechanism, one end of the control rod is connected with the shearing clamp driving device, the shearing clamp mechanism is arranged at the other end of the control rod, the shearing clamp mechanism is provided with a shearing clamp groove, a shearing clamp plate capable of controlling movement is arranged in the shearing clamp groove, the shearing clamp plate moves to a first groove wall and can clamp yarns, and the shearing clamp plate moves to a second groove wall opposite to the first groove wall and can shear yarns.
In one embodiment, the shearing clamping plate is provided with a first engagement portion at a side opposite to the second groove wall, the second groove wall is provided with a second engagement portion, and when the shearing clamping plate moves to the second groove wall, the first engagement portion and the second engagement portion can be engaged with each other.
In one embodiment, the yarn tube yarn retaining device further comprises a yarn guide hook, a yarn tube yarn retaining positioning mechanism is arranged on the fixing frame, and the yarn guide hook is arranged above the yarn tube yarn retaining positioning mechanism.
A bobbin thread-retaining method using the bobbin thread-retaining device according to any one of the above embodiments, the bobbin thread-retaining method comprising the steps of:
the yarn retaining yarn passes through the yarn threading hole and is led into an inner hole of the yarn retaining rotary table, so that the shearing clamping driving device drives the shearing clamping device to clamp the yarn end of the yarn retaining yarn;
putting the bobbin to be left into the inner hole of the head-leaving rotary table through the first opening and fixing the position;
rotating the yarn-retaining rotary table to enable the yarn-retaining yarn to be wound on the yarn tube;
and driving the shearing clamping driving device to release the yarn end of the leftover yarn by the shearing clamping device and cutting off the leftover yarn between the yarn through hole and the yarn tube.
Compared with the prior art, the invention has the following beneficial effects:
according to the yarn tube head-retaining device and the yarn tube head-retaining method, the head-retaining yarn passes through the yarn threading hole and is led into the inner hole of the head-retaining rotary table, the shearing clamping driving device drives the shearing clamp to clamp the yarn head of the head-retaining yarn, the yarn tube to be held passes through the first opening and is put into the inner hole of the head-retaining rotary table and is fixed, the head-retaining rotary table rotates to enable the head-retaining yarn to be wound on the yarn tube, the shearing clamp driving device drives the shearing clamp to release the yarn head of the head-retaining yarn and cut off the yarn threading hole and the head-retaining yarn on the yarn tube, so that head-retaining work is completed, the automation degree and the production efficiency of hollow tube head-retaining work in the spinning production process can be effectively improved, and the work intensity of spinning operation staff is reduced.
Drawings
Fig. 1 is a schematic structural view of a yarn tube retaining device according to an embodiment;
FIG. 2 is a schematic view of the structure of a shear holder according to an embodiment;
FIG. 3 is a schematic view of the structure of a shear holder of another embodiment;
FIG. 4 is a schematic view of the positional relationship among the head-retaining turntable, turntable driving device, shear gripper and shear gripper driving device in FIG. 1;
fig. 5 is a schematic structural diagram of a head-retaining turntable according to an embodiment.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, a bobbin retaining device 100 according to an embodiment includes a fixing frame 110, a retaining turntable 120, a cutting clamp 130, and a cutting clamp driving device 140.
The fixing frame 110 has a fixing platform provided with a first opening and a second opening. The end-holding rotary table 120 is disposed on the fixed platform and below the first opening, and the end-holding rotary table 120 has an annular structure with an inner hole 122, and the bobbin 200 to be held can be simultaneously placed into the first opening and the inner hole 122 of the end-holding rotary table 120. The head-holding rotary table 120 is provided with a yarn penetrating hole 124, and the yarn penetrating hole 124 penetrates through the lower end surface of the head-holding rotary table 120 and the side surface of the inner hole 122. The second aperture is disposed adjacent the first aperture, and the shear holder passes through the second aperture and into the bore 122 of the retention knob 120. The cutting clamp driving device 140 is connected to the upper end of the cutting clamp, the lower end of which is close to the yarn through hole 124, and the cutting clamp can cut and clamp the yarn.
Referring to fig. 1 and 2, in an alternative embodiment, the cutting holder 131 is a cuboid receiving rod 132 with a hook 133 at a lower end, a first side 1332 of the hook 133 is an elastic rubber surface or has a rounded edge, a second side 1334 opposite to the first side 1332 has a sharp edge, the cutting holder 131 is driven to move in a telescopic manner by the cutting holder driving device 140, and when the hook 133 is retracted to the second opening, the hook 133 can cut and hold the yarn wound on the cutting holder 131 by matching with a hole wall of the second opening. The first side 1332 and the second side 1334 refer to planes on both sides of the hook head. It will be appreciated that in this embodiment, the shape and size of the second aperture is compatible with the cuboid shaped retraction lever 132, and in particular with the hook 133. Specifically, when the hook 133 is retracted to the second opening, the first side 1332 can clamp and fix the yarn wound around the shear holder 131 with the wall of the second opening, and the second side 1334 can cut the yarn wound around the shear holder 131 with the wall of the second opening. In this embodiment, the shear grip driving device 140 may be a cylinder.
Referring to fig. 1 and 3, in another alternative embodiment, the shear gripper 135 includes a lever 136 and a shear gripping mechanism, one end of the lever 136 is connected to a shear gripping driving device 140, the shear gripping mechanism is disposed at the other end of the lever 136, the shear gripping mechanism has a shear gripping slot 137, a shear gripping plate 138 capable of controlling movement is disposed in the shear gripping slot 137, the shear gripping plate 138 moves to a first slot wall to grip the yarn, the shear gripping plate 138 moves to a second slot wall opposite to the first slot wall to shear the yarn, and a sharp member 1382 may be disposed on the shear gripping plate 138 and/or the slot wall to achieve the shearing.
Further, in an alternative embodiment, the shear clamping plate 138 is provided with a first engagement portion 1384 on a side opposite to the second groove wall, and a second engagement portion 1386 is provided on the second groove wall, and when the shear clamping plate 138 moves to the second groove wall, the first engagement portion 1384 and the second engagement portion 1386 can engage with each other, so that the yarn can be clamped while the yarn is cut.
Further, in an alternative embodiment, the shear grip drive 140 has a logic controller (not shown), and the shear grip drive 140 is electrically connected to the lever 136 and the shear grip plate 138 to control actuation of the lever 136 and the shear grip plate 138, respectively.
Referring to fig. 1 and 4, in an alternative embodiment, the bobbin thread retaining device 100 further includes a turntable driving device 150, where the turntable driving device 150 is configured to drive the thread retaining turntable 120 to rotate. In a specific embodiment, the turntable driving device 150 includes a motor 152 and a transmission turntable 154, an output shaft of the motor 152 is connected to a central portion of the transmission turntable 154, the transmission turntable 154 is in transmission connection with the head leaving turntable 120, and rotation of the transmission turntable 154 can drive the head leaving turntable 120 to rotate. In this embodiment, the motor 152 and the transmission turntable 154 can rotate synchronously, so that the number of turns of the head-leaving turntable 120 can be conveniently controlled.
Referring to fig. 1 and 5, in an alternative embodiment, the head-retaining turntable 120 is a rolling bearing structure, the inner ring 126 of the head-retaining turntable 120 is fixed on the fixed frame 110, and the outer ring 128 of the head-retaining turntable 120 can rotate relative to the inner ring 126.
Preferably, the lower end surface of the head-leaving rotary disc 120 is a concave arc surface, so that the head-leaving yarn is prevented from being wound on the head-leaving rotary disc 120.
In an alternative embodiment, the bobbin-retaining device 100 further comprises a yarn-grabbing device 160, wherein the yarn-grabbing device 160 is used for grabbing the bobbin 200 with the bag-retaining head, placing the grabbed bobbin into the inner hole 122 of the retaining-head turntable 120, and fixing the position of the bobbin 200. Specifically, the yarn grasping device 160 fixes the bobbin 200 such that the lowermost end position of the bobbin 200 is higher than the entrance of the yarn passing hole 124 at the lower end face of the headpiece 120 and lower than the exit of the yarn passing hole 124 at the side face of the inner hole 122. When the bobbin 200 finishes the end-retaining operation, the yarn grabbing device 160 can also transfer the bobbin 200 for the next process. In one particular embodiment, the yarn gripping device 160 is a robotic arm.
In an alternative embodiment, a yarn tube positioning mechanism (not shown) is provided on the holder 110. In a specific embodiment, the yarn-retaining bobbin positioning mechanism includes a chassis and a rod disposed in the center of the chassis, the yarn-retaining bobbin 300 can be inserted into the rod, and the chassis can rotate to drive the yarn-retaining bobbin 300 to rotate. In this embodiment, the yarn bobbin yarn retaining device 100 further includes a yarn guiding hook 170, the yarn guiding hook 170 is disposed above the yarn retaining bobbin positioning mechanism, and the yarn guiding hook 170 can guide and unwind the yarn retaining yarn conveniently.
Further, the present embodiment also provides a yarn tube yarn end retaining method, using the yarn tube yarn end retaining device 100 of any one of the above embodiments, the yarn tube yarn end retaining method comprising the steps of:
firstly, the leftover yarn passes through the yarn through hole 124 and is led into the inner hole 122 of the leftover rotating disc 120, so that the shearing clamping driving device 140 drives the shearing clamp to clamp the yarn end of the leftover yarn;
(II) putting the bobbin 200 to be left with the head into the inner hole 122 of the left head rotating disc 120 through the first opening and fixing the position;
(III) rotating the topping rotor 120 to wind the topping yarn around the bobbin 200;
and (IV) the cutting clamp driving device 140 drives the cutting clamp to release the yarn end of the leftover yarn and cut off the leftover yarn between the yarn through hole 124 and the yarn tube 200.
Specifically, in step (one), a draw needle may be used to draw the leftover yarn through the yarn threading hole 124 and into the inner bore 122 of the leftover rotating disc 120.
In the embodiment of the above-mentioned rectangular parallelepiped retracting rod 132 with the hook 133 at the lower end of the cutting holder 131, in the step (a) of the yarn bobbin yarn-retaining method, after the yarn-retaining yarn passes through the yarn-passing hole 124 and is introduced into the inner hole 122 of the yarn-retaining turntable 120, the yarn end of the yarn-retaining yarn is wound around the cutting holder 131, so that the cutting holder 131 is driven to retract by the cutting holder driving device 140, the hook 133 is retracted to the second opening, and at this time, the first side 1332 cooperates with the wall of the second opening to clamp and fix the yarn wound around the cutting holder 131; in the fourth step, the driving device of the cutting holder 131 drives the cutting holder 131 to extend out of the second opening, so as to release the yarn end of the yarn with the head, and then the head-holding turntable 120 is rotated to wind the yarn on the cutting holder 131, so that the cutting holder 131 is driven by the cutting holder driving device 140 to retract, the hook 133 is retracted to the second opening, and at this time, the second side 1334 cooperates with the wall of the second opening to cut the yarn wound on the cutting holder 131, thus completing the head-holding work.
In the embodiment of the foregoing shear gripper 135 including the lever 136 and the shear gripping mechanism, in the bobbin yarn-leaving method step (one), after the yarn-leaving yarn passes through the yarn-threading hole 124 and is introduced into the inner hole 122 of the yarn-leaving rotary table 120, the shear gripping driving device 140 drives the shear gripping plate 138 to move to the first groove wall to grip and fix the yarn-leaving yarn; in the fourth step, the cutting and clamping driving device 140 drives the plate to move away from the first groove wall, so as to release the yarn end of the yarn end, and then the cutting and clamping driving device 140 drives the plate to move to the second groove wall so as to cut off the yarn through hole 124 and the yarn end on the yarn tube 200, thus completing the yarn end retaining work.
In the yarn tube yarn-retaining device 100 and the method, the yarn-retaining yarn passes through the yarn-threading hole 124 and is led into the inner hole 122 of the yarn-retaining rotary table 120, so that the shearing and clamping driving device 140 drives the shearing and clamping device to clamp the yarn end of the yarn-retaining yarn and cut off the redundant yarn end; placing the bobbin to be left in the inner hole 122 of the head-leaving rotary table 120 through the first opening and fixing the position, specifically, the yarn grabbing device 160 fixes the bobbin 200 such that the lowest end position of the bobbin 200 is higher than the entrance of the yarn through hole 124 at the lower end surface of the head-leaving rotary table 120 and lower than the exit of the yarn through hole 124 at the side surface of the inner hole 122; the head-retaining rotary table 120 is rotated to enable the head-retaining yarn to be wound on the yarn tube, the shearing clamping driving device 140 is used for driving the shearing clamping device to release the yarn head of the head-retaining yarn and cut off the yarn threading hole 124 and the head-retaining yarn on the yarn tube, so that the head-retaining work is completed, the automation degree and the production efficiency of the hollow tube head-retaining work in the spinning production process can be effectively improved, and the working intensity of spinning operation staff is reduced.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The yarn tube head retaining device is characterized by comprising a fixing frame, a head retaining rotary table, a shearing clamp holder, a shearing clamp driving device and a yarn grabbing device; the fixing frame is provided with a fixing platform, the fixing platform is provided with a first opening and a second opening, the head-retaining rotary table is arranged on the fixing platform and is positioned below the first opening, the head-retaining rotary table is of an annular structure with an inner hole, the head-retaining rotary table is provided with a yarn through hole, the yarn through hole penetrates through the lower end face of the head-retaining rotary table and the side face of the inner hole, a bobbin to be retained can be simultaneously placed in the first opening and the inner hole of the head-retaining rotary table, the shearing clamp holder penetrates through the second opening and penetrates into the inner hole of the head-retaining rotary table, the shearing clamp driving device is connected with the upper end of the shearing clamp holder, the lower end of the shearing clamp holder is close to the yarn through hole, and the shearing clamp holder can shear and clamp yarns; the cutting clamp comprises a cutting clamp body, a cutting clamp and a cutting clamp, wherein the cutting clamp body is a cuboid winding and unwinding rod, the lower end of the cuboid winding and unwinding rod is provided with a hook-shaped part, a first side face of the hook-shaped part is an elastic rubber face or is provided with a round corner edge, a second side face opposite to the first side face is provided with a sharp edge, the cutting clamp body is driven by a cutting clamp driving device to move in a telescopic mode, when the hook-shaped part is retracted to the second open hole, the first side face can be matched with the hole wall of the second open hole to clamp and fix yarns wound on the cutting clamp body, and the second side face can be matched with the hole wall of the second open hole to cut yarns wound on the cutting clamp body; the yarn grabbing device is used for grabbing a yarn tube with a to-be-left head and placing the grabbed yarn tube into an inner hole of the head-left rotary table and fixing the yarn tube.
2. The bobbin thread-retaining device according to claim 1, further comprising a turntable drive, wherein the turntable drive comprises a motor and a transmission turntable, wherein an output shaft of the motor is connected to a central portion of the transmission turntable, and wherein the transmission turntable is in transmission connection with the thread-retaining turntable.
3. The yarn tube end-retaining device according to claim 1, wherein the end-retaining turntable is of a rolling bearing structure, an inner ring of the end-retaining turntable is fixed on the fixing frame, and an outer ring of the end-retaining turntable can rotate relative to the inner ring.
4. The yarn tube end retaining device according to claim 1, wherein the lower end surface of the end retaining rotary disc is an inward concave cambered surface.
5. A yarn bobbin yarn end retaining device as in any one of claims 1-4 further comprising a yarn guide hook, wherein said retaining frame is provided with an end retaining yarn bobbin positioning mechanism, and said yarn guide hook is disposed above said end retaining yarn bobbin positioning mechanism.
6. A bobbin thread-retaining method, characterized in that a bobbin thread-retaining device according to any one of claims 1 to 5 is used, the bobbin thread-retaining method comprising the steps of:
the yarn retaining yarn passes through the yarn threading hole and is led into an inner hole of the yarn retaining rotary table, so that the shearing clamping driving device drives the shearing clamping device to clamp the yarn end of the yarn retaining yarn;
putting the bobbin to be left into the inner hole of the head-leaving rotary table through the first opening and fixing the position;
rotating the yarn-retaining rotary table to enable the yarn-retaining yarn to be wound on the yarn tube;
and driving the shearing clamping driving device to release the yarn end of the leftover yarn by the shearing clamping device and cutting off the leftover yarn between the yarn through hole and the yarn tube.
7. The yarn tube head retaining device is characterized by comprising a fixing frame, a head retaining rotary table, a shearing clamp holder, a shearing clamp driving device and a yarn grabbing device; the fixing frame is provided with a fixing platform, the fixing platform is provided with a first opening and a second opening, the head-retaining rotary table is arranged on the fixing platform and is positioned below the first opening, the head-retaining rotary table is of an annular structure with an inner hole, the head-retaining rotary table is provided with a yarn through hole, the yarn through hole penetrates through the lower end face of the head-retaining rotary table and the side face of the inner hole, a bobbin to be retained can be simultaneously placed in the first opening and the inner hole of the head-retaining rotary table, the shearing clamp holder penetrates through the second opening and penetrates into the inner hole of the head-retaining rotary table, the shearing clamp driving device is connected with the upper end of the shearing clamp holder, the lower end of the shearing clamp holder is close to the yarn through hole, and the shearing clamp holder can shear and clamp yarns; the shearing clamp holder comprises an operating rod and a shearing clamp mechanism, one end of the operating rod is connected with the shearing clamp driving device, the shearing clamp mechanism is arranged at the other end of the operating rod, the shearing clamp mechanism is provided with a shearing clamp groove, a shearing clamp plate capable of controlling movement is arranged in the shearing clamp groove, the shearing clamp plate moves to a first groove wall and can clamp yarns, and the shearing clamp plate moves to a second groove wall opposite to the first groove wall and can shear yarns; the yarn grabbing device is used for grabbing a yarn tube with a to-be-left head and placing the grabbed yarn tube into an inner hole of the head-left rotary table and fixing the yarn tube.
8. The bobbin thread retaining device according to claim 7, wherein the shear clamping plate is provided with a first engagement portion on a side opposite to the second groove wall, the second groove wall being provided with a second engagement portion, the first engagement portion and the second engagement portion being engageable with each other when the shear clamping plate is moved to the second groove wall.
9. Yarn tube end retaining device according to claim 7 or 8, further comprising a yarn guide hook, wherein the end retaining yarn tube positioning mechanism is arranged on the fixing frame, and wherein the yarn guide hook is arranged above the end retaining yarn tube positioning mechanism.
10. A bobbin thread-retaining method, characterized in that a bobbin thread-retaining device according to any one of claims 7 to 9 is used, the bobbin thread-retaining method comprising the steps of:
the yarn retaining yarn passes through the yarn threading hole and is led into an inner hole of the yarn retaining rotary table, so that the shearing clamping driving device drives the shearing clamping device to clamp the yarn end of the yarn retaining yarn;
putting the bobbin to be left into the inner hole of the head-leaving rotary table through the first opening and fixing the position;
rotating the yarn-retaining rotary table to enable the yarn-retaining yarn to be wound on the yarn tube;
and driving the shearing clamping driving device to release the yarn end of the leftover yarn by the shearing clamping device and cutting off the leftover yarn between the yarn through hole and the yarn tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810230680.4A CN108251925B (en) | 2018-03-20 | 2018-03-20 | Bobbin head retaining device and method |
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| CN201810230680.4A CN108251925B (en) | 2018-03-20 | 2018-03-20 | Bobbin head retaining device and method |
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| CN108251925B true CN108251925B (en) | 2023-05-02 |
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| CN206606853U (en) * | 2017-03-02 | 2017-11-03 | 铜陵精迅特种漆包线有限责任公司 | The automatic end retaining device of Wire winding shaft for low speed horizontal enameling machine |
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