CN111593446A - Automatic collective doffing system - Google Patents
Automatic collective doffing system Download PDFInfo
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- CN111593446A CN111593446A CN202010600369.1A CN202010600369A CN111593446A CN 111593446 A CN111593446 A CN 111593446A CN 202010600369 A CN202010600369 A CN 202010600369A CN 111593446 A CN111593446 A CN 111593446A
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- doffing
- full
- value
- box body
- transmission
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/08—Doffing arrangements independent of spinning or twisting machines
- D01H9/10—Doffing carriages ; Loading carriages with cores
Abstract
The invention provides an automatic collective doffing system, belonging to the technical field of doffing, comprising a strip-shaped supporting base, wherein the edge side of the top surface of the supporting base is also fixedly provided with an electric hydraulic cylinder, the top end of the electric hydraulic cylinder is fixedly provided with a collecting box for receiving and taking doffing, the edge side of the top surface of the collecting box is provided with a discharging open slot, the surface of the discharging open slot is fixedly provided with a discharging electromagnetic valve, the edge side of a bottom plate of the collecting box is fixedly provided with a rotating motor, one end of the rotating motor is fixedly hinged with a rotating pin shaft, the invention utilizes the supporting base to stably support and fix a doffing transmission box body, the selecting roller is rotatably installed and fixed through the rotating bearing, and a plurality of baffle plates arranged on the device are convenient to use through the baffle plates, the falling objects are picked up, and the picked objects can be divided and conveyed through the arranged baffle plates.
Description
Technical Field
The invention belongs to the technical field of doffing, and particularly relates to an automatic collective doffing system.
Background
The collective doffing device automatically takes off all the full bobbin yarns from the spinning machine, and simultaneously replaces empty bobbins and grows heads. The full-automatic doffing is realized. The method combines electrical, mechanical and pneumatic methods to complete all doffing actions, including yarn pulling, tube inserting and tube conveying. Yarn pulling and inserting are mainly completed by a yarn holding cup arranged on a beam penetrating through the whole machine. The beam moves up and down and back and forth according to the requirement; the yarn holding cup has one size, the inner layer is provided with a rubber bag, and the yarn bobbin and the hollow tube can be held tightly after inflation. When the bobbin is pulled out, the large yarn holding cup ascends to align with the bobbin, then descends to inflate and tightly hold the bobbin, and ascends to finish the yarn pulling action. The insertion is carried out after the drawing-off, and is carried out in a similar movement by a small holding cup. The device has high automation degree and small occupied area, can reduce the labor intensity of workers and improve the labor productivity, is a necessary device for realizing fine network connection, and has higher investment and operation cost.
1) The device is inconvenient to collect and process in the existing doffing processing process, and the traditional doffing is inconvenient to integrate, automatically take off and convey after the processing is finished, so that the conveying and collecting efficiency of the doffing cannot be improved;
2) the existing doffing is inconvenient to extrude and convey the doffing after the processing is finished, and the traditional doffing is inconvenient to operate and control the device in the daily use process.
Disclosure of Invention
The invention aims to provide an automatic collective doffing system, and aims to solve the problems that the device is inconvenient to collect and process in the existing doffing processing process, the traditional doffing is inconvenient to integrate and automatically take off and convey the doffed yarn after the processing is finished, and the conveying and collecting efficiency of the doffed yarn cannot be improved.
In order to achieve the purpose, the invention provides the following technical scheme: the automatic doffing machine comprises a strip-shaped supporting base, wherein an electric hydraulic cylinder is fixedly mounted on the side of the top surface of the supporting base, a collecting box for receiving and taking doffing is fixedly mounted at the top end of the electric hydraulic cylinder, a discharging groove is formed in the side of the top surface of the collecting box, a discharging electromagnetic valve is fixedly mounted on the surface of the discharging groove, a rotating motor is fixedly mounted on the side of a bottom plate of the collecting box, one end of the rotating motor is fixedly hinged with a rotating pin shaft, a pin shaft mounting seat is fixedly mounted at one end of the rotating pin shaft, conveying workbins are fixedly mounted on the surfaces of the side walls of the two pin shaft mounting seats, the conveying workbins are square in shape, a conveying crawler belt is fixedly mounted in the conveying workbins, the conveying crawler belt consists of two conveying crawler rollers and a crawler belt, the two conveying crawler rollers are respectively and fixedly, one of the conveying crawler rollers is connected with a crawler conveying motor in a transmission mode, and the surface of an outer shell of the crawler conveying motor is fixedly connected with the back of the conveying material box.
In order to make the doffing conveying box body stably supported and fixed by using the supporting base, it is preferable that: carry the back fixed mounting of workbin to have a support base, the top fixed surface of support base installs doffing transmission box, circular fluting has been seted up at the middle part of doffing transmission box, the fixed scarf joint in circular slotted inside is equipped with rolling bearing, two it selects the roller to rotate to be connected with between the rolling bearing, the surface of selecting the roller is provided with a plurality of baffle.
In order to enable the conveyed material to be conveyed and guided out through the arrangement of the doffing conveying box, the invention is preferably as follows: the back middle part of doffing transmission case has seted up the discharge gate, the horizontal fixed surface of discharge gate installs the delivery box, the spout has been seted up at the middle part of delivery box, the fixed surface of spout installs the slider, the top fixed surface of slider installs the support bracket, the bottom plate fixed surface of support bracket installs a plurality of compression roller.
In order to convey the material, it is preferable as one of the present invention that: the one end fixed mounting of support bracket has the rotation support, rotate to connect between the support and be equipped with the rotation delivery wheel, the back fixed mounting of delivery wheel has driving motor, driving motor's shell portion supports fixedly with the back that rotates the support.
In order to make the operation control of the apparatus, it is preferable as one of the present invention that: the side wall fixed surface of doffing transmission case installs the PLC controller, electric hydraulic cylinder, ejection of compact solenoid valve, rotation motor track conveying motor and driving motor all with PLC controller electric connection, PLC controller and external power supply electric connection.
As a preferable aspect of the present invention, the present invention further includes: a passive mechanism;
the passive mechanism is arranged at the front end of the doffing transmission box body (11), and a gravity sensor, a three-point pressure sensor, a high-definition camera and a cut-off controller are arranged on the passive mechanism;
the cutoff controller is connected with the gravity sensor, the three-point pressure sensor and the high-definition camera;
the gravity sensor is used for detecting the weight of the yarn tube placed in the doffing transmission box body;
the three-point pressure sensor is used for detecting the pressure of the front end, the middle end and the rear end of a bobbin placed in the doffing transmission box body;
the high-definition camera is used for carrying out image detection on the bobbin placed in the doffing transmission box body;
the cut-off controller is used for verifying whether the full cop to be detected is qualified or not according to the detection result of the gravity sensor, the pressure detection result of the three-point pressure sensor and the image detection result of the high-definition camera, and comprises the following steps:
the truncation controller is used for calculating the weight qualified value G of all the full cop yarns to be detected according to the detection result of the gravity sensor;
wherein N represents the total number of full cop yarns in each batch in the doffing transmission box body; l is the length of the internal space of the doffing transmission box body, w is the width of the internal space of the doffing transmission box body, and r is the standard fullThe inner diameter length of the bobbin of the cop, d is the doffing thickness of the standard full bobbin, G0For a predetermined standard weight value, G, of the standard full copnG, calculating the weight qualified value of all the full cop yarns to be detected for detecting the actual weight of each full cop yarn by the gravity sensor;
the cut-off controller is used for calculating an appearance qualified value Q of the to-be-detected full bobbin according to a pressure detection result of the three-point pressure sensor and an image detection result of the high-definition camera;
wherein, P0A preset standard pressure value, P, received by the three-point pressure sensor probe when the three-point pressure sensor probe touches the full bobbin yarn1Is the pressure value, P, received by the three-point pressure sensor probe when the probe touches the front end of the full cop2The pressure value P of the three-point pressure sensor probe when touching the middle end of the full bobbin yarn1The pressure value of the three-point pressure sensor probe when the probe touches the rear end of the full cop is determined, y is the number of defects detected after the high-definition camera collects the image of each full cop, the number of the defects is qualified when the number of the defects is less than 2, and Q is an appearance qualified value for calculating the full cop to be detected;
the cut-off controller is used for calculating to obtain a weight qualified value G of the full bobbin to be detected according to a gravity detection result of the gravity sensor;
the truncation controller is used for obtaining a comprehensive value of the to-be-detected full bobbin according to the weight qualified value G and the appearance qualified value Q;
and when the comprehensive value is equal to a preset value, based on a cut-off device arranged on the passive mechanism, performing a qualified full-through yarn stage in the doffing transmission box body so as to automatically take off qualified full cop from a spinning frame, and simultaneously replacing an empty bobbin and producing a head.
Compared with the prior art, the invention has the beneficial effects that:
1) the supporting base is used for stably supporting and fixing the doffing transmission box body, the selecting roller is rotatably installed and fixed through the rotating bearing, the baffles are convenient to be arranged on the device, so that the fallen objects can be picked up when the device is used, the picked objects can be cut and conveyed through the baffles, and the conveying efficiency of the device is improved;
2) can transmit the derivation to the material of this transport through being equipped with doffing transmission case, adjust through the position that adopts spout and slider so that the support bracket that the side connection that sets up slider fixed surface set up was equipped with, can extrude the transport with the doffing material of deriving from discharge gate department through utilizing a plurality of compression roller, avoid artifical manual carrying.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a picker roll according to the present invention;
FIG. 4 is a schematic view of a support bracket according to the present invention;
FIG. 5 is a schematic diagram of the circuit structure of the present invention.
In the figure: 1. a support base; 2. an electric hydraulic cylinder; 3. a collection box; 4. discharging and grooving; 5. a discharge electromagnetic valve; 6. rotating the motor; 7. rotating the pin shaft; 8. a conveying material box; 10. a support base; 11. a doffing transmission box; 12. a rotating bearing; 13. selecting a roller; 14. a chute; 15. a support bracket; 16. a compression roller; 17. rotating the bracket; 18. a delivery wheel; 19. the motor is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the present invention provides the following technical solutions: an automatic collective doffing system comprises a strip-shaped supporting base 1, an electric hydraulic cylinder 2 is fixedly installed on the top surface side of the supporting base 1, a collecting box 3 used for receiving and taking doffing is fixedly installed at the top end of the electric hydraulic cylinder 2, a discharging slot 4 is formed in the top surface side of the collecting box 3, a discharging electromagnetic valve 5 is fixedly installed on the surface of the discharging slot 4, a rotating motor 6 is fixedly installed on the bottom plate side of the collecting box 3, a rotating pin shaft 7 is fixedly hinged to one end of the rotating motor 6, a pin shaft installing seat is fixedly installed at one end of the rotating pin shaft 7, conveying workbins 8 are fixedly installed on the side wall surfaces of the two pin shaft installing seats, the appearance of each conveying workbin 8 is square, conveying crawlers are fixedly installed inside the conveying workbins 8, each conveying crawler is composed of two conveying crawler rollers and a crawler belt, the two conveying crawler belts are respectively and fixedly installed on the side of each conveying, one of the conveying crawler rollers is connected with a crawler conveying motor in a transmission manner, and the surface of an outer shell of the crawler conveying motor is fixedly connected with the back of the conveying bin 8.
In this embodiment: carry the back fixed mounting of workbin 8 to have a support base 10, the top fixed surface of support base 10 installs doffing transmission box 11, and circular fluting has been seted up at the middle part of doffing transmission box 11, and the fixed scarf joint in circular slotted inside is equipped with rolling bearing 12, rotates between two rolling bearing 12 to be connected with and selects roller 13, and the surface of selecting roller 13 is provided with a plurality of baffle.
Specifically, when daily use, the usable support pedestal 10 of user of service personnel is firm for doffing transmission box 11 and is supported fixedly, and the rolling bearing 12 that is equipped with so that will select roller 13 and rotate the installation fixed to conveniently with the help of the baffle with a plurality of baffle that sets up on the device so that when using, the article that will fall is accepted and is got, can cut apart the transport to the article after accepting through the baffle that sets up, improve the conveying efficiency to the device.
In this embodiment: the discharge gate has been seted up at the back middle part of doffing transmission case 11, and the horizontal fixed surface of discharge gate installs the delivery box, and spout 14 has been seted up at the middle part of delivery box, and the fixed surface of spout 14 installs the slider, and the top fixed surface of slider installs support bracket 15, and the bottom plate fixed surface of support bracket 15 installs a plurality of compression roller 16.
Specifically, when daily use, the user of service accessible is equipped with doffing transmission case 11 and can transmits the derivation to the material of this transport, adjusts through the position that adopts spout 14 and slider so that connect the support bracket 15 that is equipped with the side that slider fixed surface set up, can extrude the transport from the doffing material of discharge gate department derivation through utilizing a plurality of compression roller 16, avoids artifical manual the transport.
In this embodiment: one end of the supporting bracket 15 is fixedly provided with a rotating bracket 17, a rotating conveying wheel 18 is rotatably connected between the rotating brackets 17, the back of the conveying wheel 18 is fixedly provided with a driving motor 19, and the shell part of the driving motor 19 is fixedly supported with the back of the rotating bracket 17.
In particular, during daily use, the material can be conveyed by using the rotating bracket 17 and the conveying wheel 18.
In this embodiment: the side wall fixed surface of doffing transmission case 11 installs the PLC controller, and electric cylinder 2, ejection of compact solenoid valve 5, 6 track conveying motor of rotation motor and driving motor 19 all with PLC controller electric connection, PLC controller and external power supply electric connection.
Particularly, the device is convenient to operate and control through a PLC (programmable logic controller).
In this embodiment: also comprises a passive mechanism;
the passive mechanism is arranged at the front end of the doffing transmission box body (11), and a gravity sensor, a three-point pressure sensor, a high-definition camera and a cut-off controller are arranged on the passive mechanism;
the cutoff controller is connected with the gravity sensor, the three-point pressure sensor and the high-definition camera;
the gravity sensor is used for detecting the weight of the yarn tube placed in the doffing transmission box body;
the three-point pressure sensor is used for detecting the pressure of the front end, the middle end and the rear end of a bobbin placed in the doffing transmission box body;
the high-definition camera is used for carrying out image detection on the bobbin placed in the doffing transmission box body;
the cut-off controller is used for verifying whether the full cop to be detected is qualified or not according to the detection result of the gravity sensor, the pressure detection result of the three-point pressure sensor and the image detection result of the high-definition camera, and comprises the following steps:
the truncation controller is used for calculating the weight qualified value G of all the full cop yarns to be detected according to the detection result of the gravity sensor;
wherein N represents the total number of full cop yarns in each batch in the doffing transmission box body; l is the length of the internal space of the box body of the doffing transmission box body, w is the width of the internal space of the box body of the doffing transmission box body, r is the length of the inner diameter of a yarn cylinder of the standard full cop, d is the doffing thickness of the standard full cop, and G0For a predetermined standard weight value, G, of the standard full copnG, calculating the weight qualified value of all the full cop yarns to be detected for detecting the actual weight of each full cop yarn by the gravity sensor;
the cut-off controller is used for calculating an appearance qualified value Q of the to-be-detected full bobbin according to a pressure detection result of the three-point pressure sensor and an image detection result of the high-definition camera;
wherein, P0A preset standard pressure value, P, received by the three-point pressure sensor probe when the three-point pressure sensor probe touches the full bobbin yarn1Is the pressure value, P, received by the three-point pressure sensor probe when the probe touches the front end of the full cop2The pressure value P of the three-point pressure sensor probe when touching the middle end of the full bobbin yarn1The pressure value of the three-point pressure sensor probe when the probe touches the rear end of the full cop is determined, y is the number of defects detected after the high-definition camera collects the image of each full cop, the number of the defects is qualified when the number of the defects is less than 2, and Q is an appearance qualified value for calculating the full cop to be detected;
the cut-off controller is used for calculating to obtain a weight qualified value G of the full bobbin to be detected according to a gravity detection result of the gravity sensor;
the truncation controller is used for obtaining a comprehensive value of the to-be-detected full bobbin according to the weight qualified value G and the appearance qualified value Q;
and when the comprehensive value is equal to a preset value, based on a cut-off device arranged on the passive mechanism, performing a qualified full-through yarn stage in the doffing transmission box body so as to automatically take off qualified full cop from a spinning frame, and simultaneously replacing an empty bobbin and producing a head.
The beneficial effects of the above technical scheme are: the technical scheme can support real-time dynamic monitoring of the weight of each full cop in the doffing transmission box body, the extrusion value of the probe and the like, when the monitoring parameters are consistent with preset standard parameters, the full cop can be cut off through the passive device, qualified full cop can be automatically taken down from a spinning frame, meanwhile, an empty bobbin is replaced, and the operation of good head is carried out, external interference is not needed when the operation is triggered, energy consumption is saved, and the robustness of the automatic collective doffing system is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An automatic collective doffing system comprises a strip-shaped supporting base (1) and is characterized in that an electric hydraulic cylinder (2) is fixedly mounted on the top surface side of the supporting base (1), a collecting box (3) used for receiving and taking doffing is fixedly mounted at the top end of the electric hydraulic cylinder (2), a discharging slot (4) is formed in the top surface side of the collecting box (3), a discharging electromagnetic valve (5) is fixedly mounted on the surface of the discharging slot (4), a rotating motor (6) is fixedly mounted on the bottom plate side of the collecting box (3), a rotating pin shaft (7) is fixedly hinged to one end of the rotating motor (6), a pin shaft mounting seat is fixedly mounted at one end of the rotating pin shaft (7), a conveying material box (8) is fixedly mounted on the surface of the side wall of the pin shaft mounting seat, and the appearance of the conveying material box (8) is square, and carry the inside fixed mounting of workbin (8) and have the transmission track, the transmission track comprises two transmission track rollers and track, two the transmission track roller is fixed mounting respectively and has set up and cup jointed the track between the avris of carrying workbin (8) and wherein one the transmission of transmission track roller is connected with track conveyor motor, track conveyor motor's outside casing surface all with the back fixed connection who carries workbin (8).
2. An automated collective doffing system according to claim 1 wherein: carry the back fixed mounting of workbin (8) to have support base (10), the top fixed surface of support base (10) installs doffing transmission box (11), circular fluting has been seted up at the middle part of doffing transmission box (11), circular grooved inside fixed scarf joint is equipped with rolling bearing (12), two rotate between rolling bearing (12) and be connected with and select roller (13), the surface of selecting roller (13) is provided with a plurality of baffle.
3. An automated collective doffing system according to claim 2 wherein: the back middle part of doffing transmission case (11) has seted up the discharge gate, the horizontal fixed mounting in surface of discharge gate has the delivery box, spout (14) have been seted up at the middle part of delivery box, the fixed surface of spout (14) installs the slider, the top fixed surface of slider installs support bracket (15), the bottom plate fixed surface of support bracket (15) installs a plurality of compression roller (16).
4. An automated collective doffing system according to claim 3 wherein: one end fixed mounting of support bracket (15) has rotating support (17), it is equipped with rotation delivery wheel (18) to rotate to connect between rotating support (17), the back fixed mounting of delivery wheel (18) has driving motor (19), the shell portion of driving motor (19) supports fixedly with the back that rotates support (17).
5. An automated collective doffing system according to claim 4 wherein: the automatic doffing device is characterized in that a PLC (programmable logic controller) is fixedly installed on the surface of the side wall of the doffing transmission box (11), the electric hydraulic cylinder (2), the discharging electromagnetic valve (5), the rotating motor (6), the track conveying motor and the driving motor (19) are electrically connected with the PLC, and the PLC is electrically connected with an external power supply.
6. An automated collective doffing system according to claim 2 and further comprising: a passive mechanism;
the passive mechanism is arranged at the front end of the doffing transmission box body (11), and a gravity sensor, a three-point pressure sensor, a high-definition camera and a cut-off controller are arranged on the passive mechanism;
the cutoff controller is connected with the gravity sensor, the three-point pressure sensor and the high-definition camera;
the gravity sensor is used for detecting the weight of the yarn tube placed in the doffing transmission box body;
the three-point pressure sensor is used for detecting the pressure of the front end, the middle end and the rear end of a bobbin placed in the doffing transmission box body;
the high-definition camera is used for carrying out image detection on the bobbin placed in the doffing transmission box body;
the cut-off controller is used for verifying whether the full cop to be detected is qualified or not according to the detection result of the gravity sensor, the pressure detection result of the three-point pressure sensor and the image detection result of the high-definition camera, and comprises the following steps:
the truncation controller is used for calculating the weight qualified value G of all the full cop yarns to be detected according to the detection result of the gravity sensor;
wherein N represents the total number of full cop yarns in each batch in the doffing transmission box body; l is the length of the internal space of the box body of the doffing transmission box body, w is the width of the internal space of the box body of the doffing transmission box body, r is the length of the inner diameter of a yarn cylinder of the standard full cop, d is the doffing thickness of the standard full cop, and G0For a predetermined standard weight value, G, of the standard full copnG, calculating the weight qualified value of all the full cop yarns to be detected for the actual weight of the nth full cop yarn detected by the gravity sensor;
the cut-off controller is used for calculating an appearance qualified value Q of the to-be-detected full bobbin according to a pressure detection result of the three-point pressure sensor and an image detection result of the high-definition camera;
wherein, P0A preset standard pressure value, P, received by the three-point pressure sensor probe when the three-point pressure sensor probe touches the full bobbin yarn1Is the pressure value, P, received by the three-point pressure sensor probe when the probe touches the front end of the full cop2Is the three pointsPressure value, p, received by the probe of the pressure sensor when it touches the middle end of the full bobbin3The pressure value of the three-point pressure sensor probe when the probe touches the rear end of the full cop is determined, y is the number of defects detected after the high-definition camera collects the image of each full cop, the number of the defects is qualified when the number of the defects is less than 2, and Q is an appearance qualified value for calculating the full cop to be detected;
the cut-off controller is used for calculating to obtain a weight qualified value G of the full bobbin to be detected according to a gravity detection result of the gravity sensor;
the truncation controller is used for obtaining a comprehensive value of the to-be-detected full bobbin according to the weight qualified value G and the appearance qualified value Q;
and when the comprehensive value is equal to a preset value, based on a cut-off device arranged on the passive mechanism, performing a qualified full-through yarn stage in the doffing transmission box body so as to automatically take off qualified full cop from a spinning frame, and simultaneously replacing an empty bobbin and producing a head.
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| CN204918911U (en) * | 2015-09-08 | 2015-12-30 | 福建省长乐市金鑫纺织有限公司 | Spinning frame |
| CN205635935U (en) * | 2016-05-06 | 2016-10-12 | 广东溢达纺织有限公司 | Automatic doffing system |
| CN206266780U (en) * | 2016-11-15 | 2017-06-20 | 晋中经纬天盈机械有限公司 | A kind of spool intelligent detection device |
| CN206570464U (en) * | 2017-02-20 | 2017-10-20 | 高安市伟欣纺织有限公司 | A kind of bobbin conveyer of improvement |
| CN107142574A (en) * | 2017-05-27 | 2017-09-08 | 宁夏如意科技时尚产业有限公司 | A kind of spool automatic carriage |
| CN207845872U (en) * | 2017-11-13 | 2018-09-11 | 保山恒丰纺织科技有限公司 | Spinning frame doffer |
| CN208379089U (en) * | 2018-05-25 | 2019-01-15 | 经纬纺织机械股份有限公司 | Efficiently reason falls pipe machine |
| CN208743084U (en) * | 2018-08-06 | 2019-04-16 | 广东邮差商电子商务有限公司 | A kind of e-commerce sorter |
| CN209066070U (en) * | 2018-09-13 | 2019-07-05 | 杭州永信纺织有限公司 | A kind of material collecting device and its yarn of spinning frame |
| CN109518321A (en) * | 2018-10-22 | 2019-03-26 | 武汉纺织大学 | A kind of ring bobbin automatic loading and unloading device and its control method |
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| CN111593446B (en) | 2021-07-13 |
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