CN221369999U - Pipe dropping mechanism of full-automatic bobbin winder - Google Patents

Pipe dropping mechanism of full-automatic bobbin winder Download PDF

Info

Publication number
CN221369999U
CN221369999U CN202323441523.3U CN202323441523U CN221369999U CN 221369999 U CN221369999 U CN 221369999U CN 202323441523 U CN202323441523 U CN 202323441523U CN 221369999 U CN221369999 U CN 221369999U
Authority
CN
China
Prior art keywords
straight pipe
straight
receiving hopper
material receiving
movable frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202323441523.3U
Other languages
Chinese (zh)
Inventor
徐属斌
王伟军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wanshifa Textile Machinery Co ltd
Original Assignee
Zhejiang Wanshifa Textile Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Wanshifa Textile Machinery Co ltd filed Critical Zhejiang Wanshifa Textile Machinery Co ltd
Priority to CN202323441523.3U priority Critical patent/CN221369999U/en
Application granted granted Critical
Publication of CN221369999U publication Critical patent/CN221369999U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Abstract

The utility model discloses a pipe dropping mechanism of a full-automatic bobbin winder, which comprises a placing frame and a winding mechanism, wherein the placing frame is obliquely arranged, a straight pipe outlet is formed at the lower end of the placing frame, a material receiving mechanism is arranged at the straight pipe outlet and comprises a material receiving hopper and a driving piece, the material receiving hopper is arranged at the lower part of the driving piece, the material receiving hopper is used for carrying out the bearing of a straight pipe at the straight pipe outlet, and the driving piece is used for driving the material receiving hopper to lift and further transport the straight pipe downwards; the winding mechanism comprises a fixed frame, a movable frame and a pair of clamping tube seats, wherein the movable frame is rotatably arranged on the fixed frame, the movable frame is provided with a left swinging arm and a right swinging arm, the pair of clamping tube seats are respectively rotatably arranged on the two swinging arms and correspond to each other, and the pair of clamping tube seats are used for clamping and further transferring the straight tube when reaching the descending receiving hopper through rotating and adjusting the position. The utility model realizes automatic and mechanical straight pipe conveying and transferring, saves space, improves conveying efficiency, and improves the use efficiency and the use convenience of the bobbin winder.

Description

Pipe dropping mechanism of full-automatic bobbin winder
Technical Field
The utility model relates to a textile machine, in particular to a tube falling mechanism of a full-automatic bobbin winder.
Background
The winder winds the cone yarns and the hank yarns with larger capacity into small cone yarns with smaller capacity and more orderly through outward conveying, thereby being convenient for the use of weaving machinery or sewing machinery. The traditional cone winder needs to be subjected to the blanking and the feeding of the straight cone by staff after the cone yarn is wound, the empty straight cone and the straight cone after the cone winding are all required to be manually operated, the storage of the empty straight cone occupies on-site space, the arrangement and the management of the machine and the storage are inconvenient, and the efficiency is low due to the delay of the manual operation. Therefore, it is necessary to automatically design the transportation and transfer of the bobbins to improve the use efficiency and convenience of the winder.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a pipe dropping mechanism of a full-automatic winder, which can store and transport empty straight pipes through the cooperation of a placing frame and a receiving mechanism and the structural design of a winding mechanism, effectively utilizes the space to finish the orderly conveying and processing of the straight pipes and improves the automation level.
The utility model adopts the following technical scheme: the pipe dropping mechanism of the full-automatic bobbin winder comprises a placing frame and a winding mechanism, wherein the placing frame is obliquely arranged, a straight pipe outlet is formed at the lower end of the placing frame, a material receiving mechanism is arranged at the position of the straight pipe outlet and comprises a material receiving hopper and a driving piece, the material receiving hopper is arranged at the lower part of the driving piece, the material receiving hopper is used for carrying out the bearing of the straight pipe at the position of the straight pipe outlet, and the driving piece is used for driving the material receiving hopper to lift and further transport the straight pipe downwards; the winding mechanism comprises a fixed frame, a movable frame and a pair of clamping tube seats, wherein the movable frame is rotatably arranged on the fixed frame, the movable frame is provided with a left swinging arm and a right swinging arm, the pair of clamping tube seats are respectively rotatably arranged on the two swinging arms and correspond to each other, and the pair of clamping tube seats are used for clamping and further transferring the straight tube when reaching the descending receiving hopper through rotating and adjusting the position.
As an improvement, at least one part of the pair of clamping tube seats is of an axially movable structure, and is driven by an external power source to axially move, so that the distance between the pair of clamping tube seats is adjusted, the straight tube is accommodated when the distance is increased, and the straight tube is clamped when the distance is reduced.
As an improvement, a first driving motor is also arranged on the movable frame and is connected to the clamping tube seat through a transmission piece, so that power is provided for driving the clamping tube seat to rotate.
As an improvement, a second driving motor is also arranged on the fixed frame and is connected to the movable frame through a transmission piece, so that power is provided for driving the movable frame to rotate.
As an improvement, the upper part of the receiving hopper is also provided with a baffle plate, and when the receiving hopper is driven by the driving piece to descend to leave the straight pipe outlet, the baffle plate moves to the straight pipe outlet to block the straight pipe.
As an improvement, the driving member is a cylinder.
As an improvement, the rack comprises supporting frames arranged on the left side and the right side, the straight pipes are supported on the supporting frames on the two sides, the middle of the straight pipes are suspended, a placing cavity matched with the size of the straight pipes is formed between the supporting frames on the two sides, and the upper ends of the placing cavity are opened to form a straight pipe inlet.
As an improvement, the supporting frame is provided with a limiting plate above the outlet of the straight pipe, the straight pipe forms left and right limiting on the upper part when reaching the limiting plate, and the upper space is in an open state before reaching the limiting plate.
As an improvement, connect the hopper including the bottom plate that is located the lower part, be located the side fender spare at rear portion and be located the rotor plate on upper portion, bottom plate and side fender spare form the L shape structure that is used for supporting the straight tube, and the rear end of rotor plate supplies the straight tube to contradict when initial position to make the rotor plate rotatory when the straight tube is contradicted, make front end downward swing stop back straight tube.
As an improvement, the rotating plate is connected with an elastic piece, when the straight pipe is abutted against the rotating plate, the elastic piece deforms to store force, and when the straight pipe leaves, the elastic piece drives the rotating plate to return to an initial position.
The utility model has the beneficial effects that: the storage rack is used for orderly storing the straight pipes above, so that the space is saved, the conveying efficiency is improved, the vertical conveying of single straight pipes is realized through the material receiving mechanism, and the straight pipes are transported by matching with the station change of the clamping pipe seat. By means of the structural design of the winding mechanism, the straight pipe is subjected to multi-station position adjustment, the space of the winder is fully utilized, and the use efficiency and the use convenience of the winder are improved as a whole.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the winding mechanism of the present utility model.
Fig. 3 is a schematic perspective view of a winding mechanism according to the present utility model.
Fig. 4 is a schematic view showing a structure of the winding mechanism according to the present utility model.
Fig. 5 is a schematic perspective view of a rack and a receiving mechanism according to the present utility model.
Fig. 6 is a schematic perspective view of a receiving mechanism according to the present utility model.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5 and 6, a tube dropping mechanism of the full-automatic winder is an embodiment of the utility model. The embodiment comprises a placing frame 1 and a winding mechanism 0, wherein the placing frame 1 is obliquely arranged, a straight pipe outlet 13 is formed at the lower end of the placing frame, a receiving mechanism 2 of a receiving mechanism 2 is arranged at the position of the straight pipe outlet 13, the receiving mechanism 2 comprises a receiving hopper 21 and a driving piece 22, the receiving hopper 21 is arranged at the lower part of the driving piece 22, the receiving hopper 21 receives a straight pipe at the position of the straight pipe outlet 13, and the driving piece 22 is used for driving the receiving hopper 21 to lift and further transport the straight pipe downwards; the winding mechanism 0 comprises a fixed frame 01, a movable frame 02 and a pair of clamping tube seats 03, wherein the movable frame 02 is rotatably arranged on the fixed frame 01, the movable frame 02 is provided with a left swinging arm 021 and a right swinging arm 021, the pair of clamping tube seats 03 are respectively rotatably arranged on the two swinging arms 021 and correspond to each other, and the pair of clamping tube seats 03 are used for clamping and further transferring a straight tube when reaching a descending receiving hopper 21 through rotating and adjusting positions.
When the yarn feeding device is used, yarn is conveyed from the lower direction, passes through a tension adjusting mechanism, a yarn cleaning mechanism, a oiling mechanism and the like to be matched with a yarn guiding structure (realized by the prior art), then passes through a yarn guiding head to a position between a straight pipe on a clamping tube seat 03 and an abutting wheel, and is uniformly wound on the straight pipe along with the rotation of the straight pipe on the clamping tube seat 03 and the axial sliding of the yarn guiding head along the abutting wheel; along with the thickening of the yarn on the straight tube, the swinging arm 021 rotates to increase the gap between the straight tube and the contact wheel. The position where the straight pipe stays above is a winding station, after winding is completed, the pipe clamping seat 03 is adjusted to the rear straight pipe blanking station through the rotation of the movable frame 02, the pipe clamping seat 03 can finish the blanking of the straight pipe after loosening the straight pipe, the corresponding straight pipe blanking station can be directly provided with a collecting bin for directly collecting and carrying by staff or can be provided with a conveying belt for outward transportation, the rear blanking effectively utilizes the space behind a winder, the factory building space management of the staff is facilitated, and the daily operation and maintenance of the winder are not influenced.
The rack 1 can be used for placing a certain number of straight pipes in advance by staff, so that the straight pipes can be supplied for a period of time, the upper space is effectively utilized, and the original space is not occupied. The straight pipes are stacked by gravity rolling in the inclined placing frame 1, and the straight pipe outlet 13 is used for receiving one straight pipe by the material receiving mechanism 2 and limiting the positions of all the straight pipes. When the straight pipe is required to be conveyed, a signal is fed back to the driving piece 22 to start, so that the receiving hopper 21 drives one straight pipe to descend to a straight pipe taking station below; the blanking clamp base 03 is adjusted to a straight pipe taking station by the rotation of the movable frame 02, at the moment, the clamp bases 03 on two sides are opposite to the straight pipe, the clamp bases 03 are folded to clamp the straight pipe, then the straight pipe is rotated to a winding station, and the next straight pipe yarn winding process is carried out. The receiving hopper 21 is lifted, reset and received with another straight pipe.
According to the utility model, the straight pipes are orderly stored above by virtue of the placing frame 1, the space is saved, the conveying efficiency is improved, the up-and-down conveying of single straight pipes is realized by virtue of the receiving mechanism 2, and the transfer of the straight pipes is realized by matching with the station change of the clamping seat 03. By means of the structural design of the winding mechanism 0, the position of the straight pipe is adjusted, namely the winding station, the straight pipe taking station and the straight pipe blanking station are switched, the space of the winder is fully utilized, the straight pipe is blanked from the rear, the front space is not required to be occupied, and the use efficiency and the use convenience of the winder are integrally improved.
As an improved specific embodiment, at least one part of the pair of clamping tube seats 03 is in an axially movable structure and is driven by an external power source to axially move, so that the distance between the pair of clamping tube seats 03 is adjusted, the straight tube is accommodated when the distance is increased, and the straight tube is clamped when the distance is reduced.
As shown in fig. 1, 2 and 3, in the specific implementation, the clamping tube seat 03 can adopt a pneumatic or electromagnetic driving mode, and when the power source is started, the clamping tube seat 03 is driven to axially separate, so that a space is left for accommodating a straight tube, and when the power source drives the clamping tube seat 03 to axially approach, the straight tube is clamped, so that the follow-up conveying and rotary winding can be realized.
As a modified specific embodiment, the movable frame 02 is also provided with a first driving motor 022, and the first driving motor 022 is connected to the position of the clamp tube seat 03 through a transmission piece, so that power is provided to drive the clamp tube seat 03 to rotate.
As shown in fig. 1, 2 and 4, the first driving motor 022 provides power for the rotation of the clamp holder 03, and then enables the straight tube to actively wind yarn during starting. The transmission part can be arranged in the form of matching a chain wheel with a chain or matching a belt wheel with a belt, and the like, so that an orderly and stable driving function is realized.
As an improved specific embodiment, a second driving motor 011 is further installed on the fixed frame 01, and the second driving motor 011 is connected to the movable frame 02 through a transmission member, so as to provide power to drive the movable frame 02 to rotate.
As shown in fig. 2, 3 and 4, the second driving motor 011 provides power for the rotation of the movable frame 02, the swing arm 021 and the clamping tube seat 03, so that the winding station, the straight tube taking station and the straight tube blanking station can be directly switched when the device is started. The transmission part can be arranged in the form of matching a chain wheel with a chain or matching a belt wheel with a belt, and the like, so that an orderly and stable driving function is realized.
As an improved specific embodiment, a baffle plate 23 is further arranged at the upper part of the receiving hopper 21, and when the receiving hopper 21 is driven by the driving piece 22 to descend to leave the straight pipe outlet 13, the baffle plate 23 moves to the position of the straight pipe outlet 13 to block the straight pipe.
As shown in fig. 1, 5 and 6, by means of the arrangement of the baffle plate 23, after the receiving hopper 21 leaves the straight pipe outlet 13, the baffle plate 23 moves downwards to block the straight pipe outlet 13, for example, a wall, so that the straight pipe in the rack 1 is kept stable; when the receiving hopper 21 resets the corresponding straight pipe outlet 13, the lowest straight pipe can be dropped into the receiving hopper 21.
As a modified embodiment, the driving member 22 is a cylinder.
As shown in fig. 5 and 6, the cylinder has a stable stroke, and the ascending and descending stop positions can be accurately and stably controlled by debugging, so that the upper and lower positions of the receiving hopper 21 are ensured to be accurate.
As an improved specific embodiment, the placement frame 1 comprises support frames 101 arranged on the left side and the right side, a straight pipe is supported on the support frames 101 on the two sides, the middle part of the straight pipe is suspended, a placement cavity 11 matched with the straight pipe in size is formed between the support frames 101 on the two sides, and the upper end of the placement cavity 11 is opened to form a straight pipe inlet 12.
As shown in fig. 1 and 5, the supporting frames 101 on two sides drag the straight pipes from two sides, so that the ordered placement and arrangement of the straight pipes can be ensured, the middle part is suspended, the structural friction force is reduced, the rolling and falling of the straight pipes are smooth, and the situation that the straight pipes are blocked in the rack 1 is avoided; even if the condition needing to be debugged occurs, the suspended state is convenient for the hand of the staff to stretch into for adjustment.
As an improved embodiment, the supporting frame 101 is provided with a limiting plate 102 above the outlet 13 of the straight pipe, the straight pipe forms upper left and right limiting when reaching the limiting plate 102, and the upper space is opened before reaching the limiting plate 102.
As shown in fig. 1 and 5, the space for placing is divided into a front section and a rear section, and a limiting plate 102 is additionally arranged at the rear section, so that the upper position of the straight pipe is limited, and the straight pipe is ensured to correspond to the receiving hopper 21 of the straight pipe outlet 13; the upper space of the front section is in an open state, so that a worker can conveniently and quickly place the supplementary straight pipe from the side of the straight pipe inlet 12.
As an improved embodiment, the receiving hopper 21 comprises a bottom plate 211 positioned at the lower part, a side blocking piece 212 positioned at the rear part and a rotating plate 213 positioned at the upper part, wherein the bottom plate 211 and the side blocking piece 212 form an L-shaped structure for supporting a straight pipe, the rear end of the rotating plate 213 is used for abutting against the straight pipe when the straight pipe abuts against, and the rotating plate 213 is rotated when the straight pipe abuts against, so that the front end swings downwards to block the rear straight pipe.
As shown in fig. 5 and 6, the bottom plate 211 and the side blocking member 212 form an L-shaped structure to well support the straight pipe, and the rear end of the upper rotating plate 213 is rotated after being abutted against the straight pipe, so that the front end is rotated and lowered to block the rear straight pipe, and then the situation that the rear straight pipe is blocked when the receiving hopper 21 is lowered is not easy to happen, and the blocked straight pipe can be blocked by the descending baffle plate 23, so that the storage and transportation of the straight pipe are orderly. After the straight pipe in the receiving hopper 21 is transferred, the rotating plate 213 is reset to receive the next straight pipe.
As an improved embodiment, the rotating plate 213 is connected with an elastic member 214, when the straight tube abuts against the rotating plate 213, the elastic member 214 deforms and stores force, and when the straight tube leaves, the elastic member 214 drives the rotating plate 213 to return to the initial position.
As shown in fig. 5 and 6, after the straight pipe in the receiving hopper 21 is transferred away, the rotating plate 213 is reset by the elastic force of the elastic member 214, and the front end of the rotating plate 213 can be limited by the elastic force, so that the entry of the next straight pipe is not affected.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a full-automatic cone winder's doff mechanism, includes rack (1) and winding mechanism (0), its characterized in that: the storage rack (1) is obliquely arranged, a straight pipe outlet (13) is formed at the lower end of the storage rack, a material receiving mechanism (2) is arranged at the straight pipe outlet (13), the material receiving mechanism (2) comprises a material receiving hopper (21) and a driving piece (22), the material receiving hopper (21) is arranged at the lower part of the driving piece (22), the material receiving hopper (21) is used for carrying out bearing of a straight pipe at the straight pipe outlet (13), and the driving piece (22) is used for driving the material receiving hopper (21) to lift so as to transport the straight pipe downwards; the winding mechanism (0) comprises a fixed frame (01), a movable frame (02) and a pair of clamping tube seats (03), wherein the movable frame (02) is rotatably arranged on the fixed frame (01), the movable frame (02) is provided with a left swinging arm (021) and a right swinging arm (021), the pair of clamping tube seats (03) are rotatably arranged on the two swinging arms (021) respectively and correspond to each other, and the pair of clamping tube seats (03) are used for clamping and transferring straight tubes when reaching a descending receiving hopper (21) through rotating and adjusting positions.
2. The doffing mechanism of a fully automatic winder as claimed in claim 1, wherein: at least one part of the pair of clamping tube seats (03) is of an axially movable structure, and is driven by an external power source to axially move, so that the distance between the pair of clamping tube seats (03) is adjusted, the straight tube is accommodated when the distance is increased, and the straight tube is clamped when the distance is reduced.
3. The doffing mechanism of a full-automatic winder as claimed in claim 1 or 2, wherein: the movable frame (02) is also provided with a first driving motor (022), and the first driving motor (022) is connected to the clamping tube seat (03) through a transmission piece, so that power is provided for driving the clamping tube seat (03) to rotate.
4. The doffing mechanism of a full-automatic winder as claimed in claim 1 or 2, wherein: the fixed frame (01) is also provided with a second driving motor (011), and the second driving motor (011) is connected to the movable frame (02) through a transmission piece, so as to provide power to drive the movable frame (02) to rotate.
5. The doffing mechanism of a fully automatic winder as claimed in claim 1, wherein: the upper part of the receiving hopper (21) is also provided with a baffle plate (23), and when the receiving hopper (21) is driven by the driving piece (22) to descend to leave the straight pipe outlet (13), the baffle plate (23) moves to the straight pipe outlet (13) to block the straight pipe.
6. The doffing mechanism of a fully automatic winder of claim 5, wherein: the driving piece (22) is a cylinder.
7. The doffing mechanism of a fully automatic winder as claimed in claim 1, wherein: the rack (1) comprises supporting frames (101) arranged on the left side and the right side, the straight pipes are supported on the supporting frames (101) on the two sides, the middle of each straight pipe is suspended, a placing cavity (11) matched with the size of the straight pipe is formed between the supporting frames (101) on the two sides, and the upper ends of the placing cavities (11) are opened to form a straight pipe inlet (12).
8. The doffing mechanism of a fully automatic winder as claimed in claim 7, wherein: the supporting frame (101) is provided with a limiting plate (102) above the outlet (13) of the straight pipe, the straight pipe forms left and right limiting on the upper part when reaching the limiting plate (102), and the upper space is in an open state before reaching the limiting plate (102).
9. The doffing mechanism of a fully automatic winder as claimed in claim 1, wherein: the receiving hopper (21) comprises a bottom plate (211) positioned at the lower part, a side baffle (212) positioned at the rear part and a rotating plate (213) positioned at the upper part, wherein the bottom plate (211) and the side baffle (212) form an L-shaped structure for supporting a straight pipe, the rear end of the rotating plate (213) is provided with the straight pipe to be abutted when the straight pipe is abutted, and the rotating plate (213) is rotated when the straight pipe is abutted, so that the front end swings downwards to block the rear straight pipe.
10. The doffing mechanism of a fully automatic winder as claimed in claim 9, wherein: the rotating plate (213) is connected with an elastic piece (214), when the straight pipe abuts against the rotating plate (213), the elastic piece (214) deforms and stores force, and when the straight pipe leaves, the elastic piece (214) drives the rotating plate (213) to return to an initial position.
CN202323441523.3U 2023-12-15 2023-12-15 Pipe dropping mechanism of full-automatic bobbin winder Active CN221369999U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323441523.3U CN221369999U (en) 2023-12-15 2023-12-15 Pipe dropping mechanism of full-automatic bobbin winder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323441523.3U CN221369999U (en) 2023-12-15 2023-12-15 Pipe dropping mechanism of full-automatic bobbin winder

Publications (1)

Publication Number Publication Date
CN221369999U true CN221369999U (en) 2024-07-19

Family

ID=91894227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323441523.3U Active CN221369999U (en) 2023-12-15 2023-12-15 Pipe dropping mechanism of full-automatic bobbin winder

Country Status (1)

Country Link
CN (1) CN221369999U (en)

Similar Documents

Publication Publication Date Title
CN111996627B (en) Automatic yarn feeding system for twisting machine
CN101850920B (en) Yarn feeding device for automatic winder
CN109137166A (en) Textile machine with Automatic doffing devices
CN213357850U (en) Automatic yarn feeding device
CN114671303B (en) Intelligent textile system for full-automatic yarn feeding and tube changing
CN205675782U (en) A kind of for automatic rotor spinning machine doffing system paper tube conveyer device
CN212476995U (en) Automatic yarn feeding creel
US4598881A (en) Bobbin inserting device
CN108892003A (en) Automatic tube ejector and using the device rotor spinning machine and its change pipe method
CN110316593B (en) Automatic paper tube replacing device for plastic film winding roller
CN208948572U (en) It is a kind of can automatic yarn grabbing bobbin-winding machine
EP0205958A2 (en) Yarn guiding device
CN221369999U (en) Pipe dropping mechanism of full-automatic bobbin winder
CN109678004A (en) A kind of automatic winder tube sorting and packing machine
CN111039095B (en) Chemical fiber cone yarn continuous guiding and feeding mechanism
CN111017651B (en) Fine-vein system
CN208948573U (en) A kind of automatic yarn grabbing device for bobbin-winding machine
CN114476855B (en) Automatic yarn cylinder replacement device
CN221370000U (en) Straight pipe conveying mechanism of full-automatic cone winder
CN213011322U (en) Yarn section of thick bamboo charging mechanism
CN212688302U (en) Automatic bobbin replacing system
CN204369303U (en) Feedway on bobbin-winding machine
CN212923948U (en) Yarn section of thick bamboo transfer mechanism
CN211171011U (en) Bobbin conveying device
CN221274888U (en) Automatic empty ingot supply warehouse

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant