CN218989523U - Winding forming lifting driving device of twisting machine - Google Patents
Winding forming lifting driving device of twisting machine Download PDFInfo
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- CN218989523U CN218989523U CN202223279834.XU CN202223279834U CN218989523U CN 218989523 U CN218989523 U CN 218989523U CN 202223279834 U CN202223279834 U CN 202223279834U CN 218989523 U CN218989523 U CN 218989523U
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Abstract
The utility model discloses a winding forming lifting driving device of a twisting machine, which comprises a left side plate and a right side plate of a frame; an upper slide bar and a lower slide bar are arranged between the two; a screw rod is arranged between the left slide rod and the right slide rod; an upper sliding seat and a lower sliding seat are respectively arranged on the screw rod and the sliding rod; an upper servo motor and a lower servo motor are arranged on one side of the right side plate of the frame; the lower end of the upper sliding seat is provided with a right joint I and a left joint I; the joint is fixed on the second drafting belt; one end of the second drafting belt is connected with the gas ring mechanism, and the other end of the second drafting belt is connected with the counterweight; the upper end of the lower sliding seat is provided with a right joint I and a left joint I; the connector is fixed on the first drafting belt; one end of the drafting belt is connected with the outline mechanism, and the other end is connected with the outer winch; an inner winch is arranged at one side of the outer winch. The screw rod is driven by the upper and lower servo motors to rotate and precisely slide, so that the lifting and the lowering of the ring and the balloon ring are realized; in addition, the spring damping device solves the problem of impact force generated by the steel collar with larger weight, and increases the stability of the up-and-down traction in the twisting process of the steel collar.
Description
Technical Field
The utility model relates to a winding forming lifting driving device of a twisting machine, and belongs to the technical field of textile equipment.
Background
The twisting and forming machine for special fiber (glass fiber and carbon fiber) is provided with a winding, forming and lifting driving device in the current market, and the driving principle of the device is that the connecting rod mechanism is driven by an electric appliance to realize the back and forth and up and down lifting of the ring and the balloon ring, so that the forming of the twisted wire on a bobbin is realized.
The control mode of the prior art is as follows: a transmission belt 111 is arranged between the left driving motor wheel 103 and the right driving motor wheel 104, the driving motor wheel can drive the driver 105 to do left-right reciprocating motion when rotating positively and negatively, the driver 105 and the sliding sleeve I117 are fixed together, the sliding sleeve I117 can be driven to do left-right reciprocating motion on a fixed sliding rail formed by the frame 101 and the sliding rod 102, the sliding sleeve I117 is arranged on the driving plate 120, and can control the ring drafting belt 113 and the counterweight drafting belt 119 to do up-down motion while doing left-right reciprocating motion, and the ring 114 and the balloon ring 115 are driven to do up-down motion, thereby controlling the winding distribution position on the bobbin and controlling the winding forming of the yarn on the vertical bobbin; in the ring lifting speed control part: three connecting rods 107, 108 and 109 are hinged with the sliding sleeve 110 to form a connecting rod type limiting damping device, the traction force of the driving plate 120 for acceleration and deceleration back and forth is restrained, the huge inertia of reversing and sliding back and forth is reduced, and the lifting buffering function is achieved.
In the prior art, lifting power is mainly provided by driving a motor to drive wheels, the wheels are generally subjected to torque transfer by a mechanical gear box, the transmission noise is high, and the transmission control precision is low; the lifting buffer in the twisting winding forming lifting device is of a connecting rod type design, the volume occupies large equipment space, and the reciprocating reversing response speed is low due to a mechanical linkage structure; the device needs to lubricate and maintain the hinge joint of the connecting rod and the gear box of the machine wheel frequently so as to prevent the transmission from being blocked, and has high maintenance time and labor cost.
Disclosure of Invention
The utility model provides a winding and forming lifting driving device of a twisting machine aiming at the problems existing in the prior art, thereby solving the technical problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a winding forming lifting driving device of a twisting machine comprises a left side plate of a machine frame and a right side plate of the machine frame; an upper slide bar and a lower slide bar are arranged between the left side plate and the right side plate of the frame;
a screw rod is respectively arranged between the upper slide rod and the lower slide rod; an upper sliding seat and a lower sliding seat are respectively arranged on the upper group of screw rods and the lower group of screw rods and the sliding rod; the upper sliding seat and the lower sliding seat are provided with transmission nuts matched with the screw rods;
one side of the right side plate of the frame is provided with a mounting fixing plate for mounting a first servo motor and a second servo motor; one side of the servo motor I and one side of the servo motor II are provided with synchronous belts; the upper and lower screw rods respectively transmit the power of the servo motor to a belt wheel on the right side of the screw rod through an upper and lower synchronous belt, and the belt wheel drives the screw rod to rotate clockwise and anticlockwise so as to drive the upper sliding seat and the lower sliding seat to move left and right;
the lower end of the upper sliding seat is provided with a right joint I and a left joint I; the right joint I and the left joint I are fixed on the second drafting belt; the left and right sides of the second drafting belt are respectively provided with pulleys, one end of the second drafting belt is pressed on the pulleys and is connected with the gas ring mechanism, and the other end of the second drafting belt is pressed on the pulleys and is connected with the counterweight; a sliding rail is arranged on one side of the gas ring mechanism and the counterweight for up-and-down movement;
the upper end of the lower sliding seat is provided with a right joint I, a left joint I, a right joint I and a left joint I which are fixed on the first drafting belt; the left side of the first drafting belt is provided with a pulley, one end of the first drafting belt is pressed on the pulley and is connected with the outline mechanism, and the other end of the first drafting belt is connected with the outer winch; one side of the outer winch is provided with a coaxial inner winch.
Further, a bottom plate is connected to one side of the rear end of the left side plate and the right side plate of the frame; one side of the bottom plate, which is close to the left side plate and the right side plate, is connected with a sliding disc and a sliding guide rod; a damping spring is arranged on the sliding guide rod; the damping spring inner cavity is provided with a plurality of fixing seats; the center of the fixing seat is provided with a through hole.
Further, one end of the sliding guide rod is connected with the left side plate of the frame, and the other end of the sliding guide rod is fixed on a baffle plate arranged on the bottom plate; four sliding guide rods are arranged; the sliding disc is sleeved on the sliding guide rod; the sliding guide rod passes through the round hole on the fixed seat
Further, the outer winch is arranged on a rotating shaft of the equipment, an edge slot hole is formed in the outer winch, and a hasp is arranged at the rightmost end of a drafting belt fixedly connected with the outer winch; the first drafting belt is fastened on the edge slot hole of the outer winch through the right end buckle so as to realize fixed connection.
Further, an inner winch is arranged on the rotating shaft; an edge slot hole is formed in the inner winch, and a hasp is arranged at the rightmost end of the damping drafting belt fixedly connected with the edge slot hole; the damping drafting belt is fastened to the edge slotted hole of the inner winch through the right-end buckle so as to realize fixed connection; one end of the damping drafting belt, which is far away from the inner winch, is fixedly connected with the sliding disc, and the damping drafting belt is integrally arranged in the through hole in the center of the fixing seat.
Further, a plurality of position sensors are arranged between the left side plate of the machine frame and the right side plate of the machine frame, and are used for detecting the translation position of the lower sliding seat and transmitting signals to the system terminal, and the system terminal sends out instructions to ascend or descend according to the positions of the system terminal.
The beneficial effects of the utility model are as follows: the device drives the screw rod to rotate and precisely slide through the upper and lower sets of servo motors, so that the lifting and the lowering of the ring and the balloon ring are realized; in addition, the spring damping device solves the impact force problem generated in the rapid rising and falling processes of the steel collar with larger weight, and increases the stability of the up-and-down traction in the twisting process of the steel collar; the transmission structure is more compact in design, the space occupied by the device is smaller, and the whole module type assembly mode is convenient for installation, maintenance and disassembly; because the high-precision screw rod transmission mode is adopted, the positioning precision is better, the up-down drafting speed is more uniform, the starting stopping position is more accurate, and the arrangement of yarns on the bobbin is more uniform and finer; the power transmission in the device system is linear, and especially the spring damping type buffering mechanism has better buffering effect than a connecting rod type buffering mechanism, the linear conduction type spring pressing and springing mode is more direct and effective for absorbing impact force, and the failure rate is low.
Drawings
FIG. 1 is a schematic diagram of a winding and shaping lifting driving device of a twisting machine;
FIG. 2 is a schematic view of the structure of the winding and forming lifting driving device (the outer winch is used for illustration) of the twisting machine;
FIG. 3 is a schematic view of the structure of the winding and forming lifting driving device (schematic view of inner winch) of the twisting machine;
FIG. 4 is a schematic view of the initial equilibrium state structure of the inner and outer winches of the present utility model;
FIG. 5 is a schematic illustration of the outer winch winding and the inner winch unwinding of the present utility model;
FIG. 6 is a schematic drawing of the inner winch of the present utility model being reeled in and the outer winch being unreeled;
fig. 7 is a schematic diagram of a structure of the background art.
In the figure: 1. the device comprises a left side plate of a machine frame, 2, a right side plate of the machine frame, 3, a damping spring, 4, a sliding guide rod, 5, a screw rod, 6, a sliding rod, 7, an inner winch, 8, an outer winch, 9, an upper sliding seat, 10, a position sensor, 11, a right joint, 12, a left joint, 13, a lower sliding seat, 14, a first servo motor, 15, a second servo motor, 16, a synchronous belt, 17, a bottom plate, 18, a pulley, 19, a first drawing belt, 20, a second drawing belt, 21, a ring mechanism, 22, a balloon ring mechanism, 23, a sliding rail, 24, a counterweight, 25, a damping drawing belt, 26 and a right side plate of the machine frame.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
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 utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model.
As shown in fig. 1-6, a winding forming lifting driving device of a twisting machine comprises a left side plate 1 of a machine frame and a right side plate 26 of the machine frame; an upper slide bar 6 and a lower slide bar 6 are arranged between the left side plate 1 and the right side plate 26 of the frame;
a screw rod 5 is respectively arranged between the upper slide rod 6 and the lower slide rod 6; an upper sliding seat 9 and a lower sliding seat 13 are respectively arranged on the upper and lower groups of screw rods 5 and the sliding rod 6; the upper sliding seat 9 and the lower sliding seat 13 are provided with transmission nuts matched with the screw rod 5;
a mounting and fixing plate for mounting the first servo motor 14 and the second servo motor 15 is arranged on one side of the right side plate 26 of the frame; one side of the first servo motor 14 and one side of the second servo motor 15 are provided with synchronous belts 16; the upper and lower screw rods 5 respectively transmit the power of the servo motor to a belt wheel on the right side of the screw rods 5 through an upper and lower synchronous belt 16, and the belt wheel drives the screw rods 5 to rotate clockwise and anticlockwise so as to drive the upper sliding seat 9 and the lower sliding seat 13 to move left and right;
the lower end of the upper sliding seat 9 is provided with a right joint I11 and a left joint I12; the right joint I11 and the left joint I12 are fixed on the second drafting belt 20; the left and right sides of the second drafting belt 20 are respectively provided with a pulley 18, one end of the second drafting belt is pressed on the pulley 18 and is connected with the air ring mechanism 22, and the other end of the second drafting belt is pressed on the pulley 18 and is connected with the counterweight 24; a slide rail 23 is arranged on one side of the air ring mechanism 22 and the counterweight 24 for up-and-down movement;
the upper end of the lower sliding seat 13 is provided with a right joint I11 and a left joint I12, and the right joint I11 and the left joint I12 are fixed on a first drafting belt 19; the left side of the first drafting belt 19 is provided with a pulley 18, one end of which is pressed on the pulley 18 and connected with a compendium mechanism 21, and the other end of which is connected with the outer winch 8; an inner winch 7 is coaxially arranged on one side of the outer winch 8.
In the preferred embodiment, the rear end sides of the left side plate 1 and the right side plate 26 of the frame are connected with a bottom plate 17; one side of the bottom plate 17, which is close to the left side plate and the right side plate, is connected with a sliding disc 2 and a sliding guide rod 4; the sliding guide rod 4 is provided with a damping spring 3; the damping spring 3 is provided with a plurality of fixing seats in the inner cavity; the center of the fixing seat is provided with a through hole, the damping spring 3 is preloaded, one end of the damping spring is pressed on the left side plate 1 of the frame, the other end of the damping spring is propped against the bottom plate 17, the sliding disc 2 is sleeved on the sliding guide rod 4, the damping spring 3 can slide left and right, and the damping spring 3 can be compressed or released in the process of sliding left and right.
In this embodiment, preferably, one end of the sliding guide rod 4 is connected with the left side plate 1 of the frame, and the other end of the sliding guide rod is fixed on a baffle plate arranged on the bottom plate 17; four sliding guide rods 4 are arranged; the sliding disc 2 is sleeved on the sliding guide rod 4; the sliding guide rod 4 passes through the round hole on the fixed seat
In this embodiment, preferably, the outer winch 8 is arranged on the rotating shaft of the device, and is provided with an edge slot, and the rightmost end of the first drafting belt 19 fixedly connected with the outer winch is provided with a hasp; the first drafting belt 19 is fastened on the edge slot of the outer winch 8 through the right end buckle so as to realize fixed connection.
In the preferred embodiment, the rotating shaft is also provided with an inner winch 7; an edge slot hole is arranged in the inner winch 7, and a hasp is arranged at the rightmost end of the damping drafting belt 25 fixedly connected with the edge slot hole; the damping drafting belt 25 is fastened to the edge slotted hole of the inner winch 7 through a right end buckle so as to realize fixed connection; the damping drafting belt 25 is fixedly connected with the sliding disc 2 at one end far away from the inner winch 7, and is integrally arranged in the through hole in the center of the fixing seat.
The outer winch 8 is fixed on a rotating shaft of the equipment, and the rotating shaft can drive the outer winch 8 to flexibly rotate; the right end of the first drafting belt 19 is provided with a hasp characteristic which is buckled in an edge slot of the outer winch 8 to form a fixed fit; therefore, the left and right pulling of the first drawing belt 19 can drive the outer winch 8 to rotate in a small amplitude, and the first drawing belt 19 can be wound and unwound on the outer winch 8; likewise, the inner winch 7 is fixed on the same rotating shaft of the outer winch 8, and the rotating shaft can drive the inner winch 7 and the outer winch 8 to rotate flexibly together; the inner winch 7 is arranged on the inner side of the outer winch 8, the edge slot hole of the inner winch 7 and the edge slot hole of the outer winch 8 form a certain angle (fixed), the inner winch 7 and the damping drafting belt 25 are in the same straight line and parallel, the right end part of the damping drafting belt 25 is provided with a hasp characteristic, and the right end part is buckled in the edge slot hole of the inner winch 7 to form fixed fit; therefore, the left and right pulling of the damping drafting belt ㉕ can drive the inner winch 7 to rotate in a small amplitude, and the damping drafting belt 25 can be wound and unwound on the outer winch 8; but the unreeling on the inner winch 7 is exactly opposite to the outer winch 8.
In this embodiment, a plurality of position sensors 10 are preferably disposed between the left side plate 1 and the right side plate 26 of the frame, and are used for detecting the translational position of the lower slide seat 13 and transmitting signals to the system terminal, and the system terminal sends out instructions to ascend or descend according to the positions.
Working principle:
in the initial state of fig. 1 and 4, the whole lifting driving device is static, and the screw rod 5 and the upper and lower sliding seats are also static; in the drawing configuration corresponding to the first set of upper sliding seats 9: the screw rod 5 is static, and the balloon ring mechanism 22 and the counterweight 24 keep moment balance to be static; in the drafting configuration corresponding to the second set of lower carriages 13: the moment of the dead weight of the ring mechanism 21 to the left of the drafting belt 19 and the moment of the damping spring 3 to the damping drafting belt 25 reach a balance on the inner winch 7 and the outer winch 8; winch state as in fig. 4, fa0=fb 0, the moment on the inner winch 7 and the outer winch 8 being balanced;
wherein A is the stress point of the inner winch hasp, B is the stress point of the outer winch hasp, a0 is the included angle between the A point and the vertical direction, B0 is the included angle between the B point and the vertical direction, fa0 is the drafting moment of the damping spring to the A point, and Fb0 is the drafting moment of the damping spring to the B point;
referring to fig. 2 and 5, when the ring starts to lift, the first servo motor 14 starts to intervene, the screw rod 5 rotates clockwise, the lower sliding seat 13 moves rightward along the sliding rod 6, and at this time, the balancing moment on the traction belt is broken, fa1 > Fb1; the damping spring 3 releases the pretightening force leftwards, the tension Fa1 of the damping drafting belt 25 on the inner winch 7 becomes larger, and the damping drafting belt 25 wound on the inner winch 7 starts to unwind; due to the rightward displacement of the lower slide holder 13, the tension Fb1 of the first 19 of the draft belt acting on the outer capstan 8 is reduced, the first 19 of the draft belt wound on the outer capstan 8 starts winding, and the ring connected to the left end of the first 19 of the draft belt is lifted to a set height; when the lower sliding seat 13 slides to a right appointed position on the screw rod 5, a position sensor 10 at the right appointed position detects a signal, and the system sends out an instruction to prepare for descending reversely after receiving the signal;
wherein A is the stress point of the inner winch hasp, B is the stress point of the outer winch hasp, a1 is the included angle between the A point and the vertical direction, B1 is the included angle between the B point and the vertical direction, fa1 is the drafting moment of the damping spring to the A point, and Fb1 is the drafting moment of the damping spring to the B point;
referring to fig. 2 and 6, when the ring starts to descend, the control manner is similar to the action principle of the lifting of the ring, but the direction is opposite; the first servo motor 14 starts intervention, the screw rod 5 rotates anticlockwise, the lower sliding seat 13 moves leftwards along the sliding rod 6, and the action moment Fa2 is smaller than Fb2; the damping spring 3 is compressed rightward, and the damping drafting belt 25 wound on the inner winch 7 starts to wind; because the lower sliding seat 13 is pulled by left displacement, the pulling force Fb2 of the first 19 of the traction belt acting on the outer winch 8 is increased, the first 19 of the traction belt coiled on the outer winch 8 starts to unreel, the steel collar connected to the left end of the first 19 of the traction belt slides downwards to a set height, the lower sliding seat 13 slides to a left appointed position on the screw rod 5, the position sensor 10 at the left appointed position detects a signal, and after receiving the signal, the system sends out an instruction to prepare to rise upwards, and the process is repeated;
wherein A is the stress point of the inner winch hasp, B is the stress point of the outer winch hasp, a2 is the included angle between the A point and the vertical direction, B2 is the included angle between the B point and the vertical direction, fa2 is the drafting moment of the damping spring to the A point, and Fb2 is the drafting moment of the damping spring to the B point;
referring to fig. 1 to 3, in the draft arrangement corresponding to the upper slide holder 9 of the other first group, since the weight of the balloon ring is much lighter than that of the ring, the draft force balance and impact force absorbing system acting on the second draft belt 20 is mainly controlled by the counter weight 24, and the right and left movement control of the upper slide holder 9 is performed by the second servo motor 15 directly through the forward and reverse rotation of the screw 5, and the up and down pulling operation is performed simultaneously by the balloon ring mechanism 22 and the counter weight 24 connected to the right and left of the upper slide holder 9.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The winding forming lifting driving device of the twisting machine is characterized by comprising a left side plate (1) of a machine frame and a right side plate (26) of the machine frame; an upper slide bar (6) and a lower slide bar (6) are arranged between the left side plate (1) and the right side plate (26) of the frame;
a screw rod (5) is respectively arranged between the upper slide rod (6) and the lower slide rod (6); an upper sliding seat (9) and a lower sliding seat (13) are respectively arranged on the upper and lower groups of screw rods (5) and the sliding rod (6); the upper sliding seat (9) and the lower sliding seat (13) are provided with transmission nuts matched with the screw rods (5);
one side of the right side plate (26) of the frame is provided with a mounting and fixing plate for mounting a first servo motor (14) and a second servo motor (15); one side of the servo motor I (14) and one side of the servo motor II (15) are provided with synchronous belts (16); the upper and lower screw rods (5) respectively transmit the power of the servo motor to a belt wheel on the right side of the screw rods (5) through an upper and lower synchronous belt (16), and the belt wheel drives the screw rods (5) to rotate clockwise and anticlockwise so as to drive the upper sliding seat (9) and the lower sliding seat (13) to move left and right;
the lower end of the upper sliding seat (9) is provided with a right joint I (11) and a left joint I (12); the right joint I (11) and the left joint I (12) are fixed on the drafting belt II (20); the left and right sides of the drafting belt II (20) are respectively provided with a pulley (18), one end of the drafting belt II is pressed on the pulley (18) and is connected with the gas ring mechanism (22), and the other end of the drafting belt II is pressed on the pulley (18) and is connected with the counterweight (24); a slide rail (23) is arranged at one side of the gas ring mechanism (22) and the counterweight (24) for up-and-down movement;
the upper end of the lower sliding seat (13) is provided with a right joint I (11) and a left joint I (12), and the right joint I (11) and the left joint I (12) are fixed on a drafting belt I (19); the left side of the first drafting belt (19) is provided with a pulley (18), one end of the first drafting belt is pressed on the pulley (18) and is connected with a compendium mechanism (21), and the other end of the first drafting belt is connected with an outer winch (8); one side of the outer winch (8) is provided with a coaxial inner winch (7).
2. The winding and shaping lifting driving device of the twisting machine according to claim 1, wherein a bottom plate (17) is connected to one side of the rear ends of a left side plate (1) and a right side plate (26) of the machine frame; one side of the bottom plate (17) close to the left side plate and the right side plate is connected with a sliding disc (2) and a sliding guide rod (4); a damping spring (3) is arranged on the sliding guide rod (4); the damping spring (3) is provided with a plurality of fixing seats in the inner cavity; the center of the fixing seat is provided with a through hole.
3. The winding and shaping lifting driving device of a twisting machine according to claim 2, characterized in that one end of a sliding guide rod (4) is connected with a left side plate (1) of the frame, and the other end of the sliding guide rod is fixed on a baffle plate arranged on a bottom plate (17); four sliding guide rods (4) are arranged; the sliding disc (2) is sleeved on the sliding guide rod (4); the sliding guide rod (4) passes through the round hole on the fixed seat.
4. The winding and shaping lifting driving device of a twisting machine according to claim 1, characterized in that the outer winch (8) is arranged on the rotating shaft of the equipment and is provided with an edge slot, and the rightmost end of the first drafting zone (19) fixedly connected with the outer winch is provided with a hasp; the first drafting belt (19) is fastened on the edge slot hole of the outer winch (8) through the right end buckle so as to realize fixed connection.
5. The winding and shaping lifting driving device of the twisting machine according to claim 4, wherein the rotating shaft is also provided with an inner winch (7); an edge slot hole is arranged in the inner winch (7), and a hasp is arranged at the rightmost end of a damping drafting belt (25) fixedly connected with the edge slot hole; the damping drafting belt (25) is fastened to the edge slotted hole of the inner winch (7) through a right-end buckle so as to realize fixed connection; one end of the damping drafting belt (25) far away from the inner winch (7) is fixedly connected with the sliding disc (2), and the damping drafting belt is integrally arranged in a through hole in the center of the fixing seat.
6. A twisting machine winding up-down driving device according to claim 1, characterized in that a plurality of position sensors (10) are arranged between the left side plate (1) of the frame and the right side plate (26) of the frame, which are used for detecting the translation position of the lower sliding seat (13) and transmitting signals to a system terminal, and the system terminal gives out instructions to rise or fall according to the positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279834.XU CN218989523U (en) | 2022-12-07 | 2022-12-07 | Winding forming lifting driving device of twisting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223279834.XU CN218989523U (en) | 2022-12-07 | 2022-12-07 | Winding forming lifting driving device of twisting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989523U true CN218989523U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223279834.XU Active CN218989523U (en) | 2022-12-07 | 2022-12-07 | Winding forming lifting driving device of twisting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218989523U (en) |
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2022
- 2022-12-07 CN CN202223279834.XU patent/CN218989523U/en active Active
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