Doffing device for spinning frame

By designing the adjustment mechanism, polygonal cylinder screen, through-hole and clamping mechanism of the yarn drop device for yarn machine, the problem of poor yarn barrel finishing is solved, uniform arrangement and stable movement of the yarn barrel are achieved, working efficiency is improved and damage risk is reduced.

CN222781745UActive Publication Date: 2025-04-22HEBEI XINSHIDAI TEXTILE CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421551854.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-22
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

The existing yarn dropping device for yarn machines cannot effectively organize the yarn barrel, resulting in chaos in the arrangement of the yarn barrels and affecting the subsequent textile process and work efficiency.

Method used

A yarn drop device for yarn machine is designed, including an adjustment mechanism, a polygonal cylinder screen, a through hole and a clamping mechanism. By adjusting the position of the clamp and the gap between the clamp, the effective finishing and stable movement of the yarn barrel is achieved.

Benefits of technology

The uniform arrangement of the yarn barrels is achieved, the working efficiency is improved, the risk of yarn barrel damage is reduced, and the stability and safety of the yarn barrel during movement is ensured.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222781745U_ABST
    Figure CN222781745U_ABST
Patent Text Reader

Abstract

The utility model discloses a doffing device for a spinning frame, which relates to the technical field of doffing equipment and comprises a box body, a plurality of supporting columns are arranged at the top end of the box body, an adjusting mechanism is arranged at the top ends of the supporting columns, a polygonal drum screen matched with the supporting columns is arranged at one end of the adjusting mechanism, and through holes are formed in the surface of the polygonal drum screen. A clamping mechanism is arranged at the end, away from the polygonal drum screen, of the adjusting mechanism, a clamping plate is arranged on one side of the clamping mechanism, a spool is arranged at the bottom of the clamping plate, and a connecting column is arranged at the bottom end of the spool. According to the utility model, bobbins can be effectively arranged, so that the bobbins are uniformly arranged on the polygonal roller, subsequent spinning is facilitated, and the working efficiency is improved; under the action of the adjusting mechanism, the stability of the spool in the moving process is ensured, and the working efficiency is improved; under the action of the clamping mechanism, the gap between the clamping plates is adjusted to adapt to bobbins of different sizes and effectively clamp the bobbins, and stable movement of the bobbins is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of doffing equipment, in particular to a doffing device for a spinning frame. Background Art

[0002] Spinning frame is an important equipment in textile machinery, which is mainly used to wind roving or sliver into spinning bobbin after drafting, twisting and other processes. Spinning frame plays a vital role in textile technology and is a key equipment to achieve the control of yarn fineness, strength and uniformity. Doffing is to remove all full bobbins on the spinning frame. In order to improve production efficiency and product quality, most existing factories use doffing machines for doffing.

[0003] For example, a Chinese patent with authorization announcement CN218969468U discloses a doffing device for a spinning machine, including a doffing box, one side of which is against the yarn tube liner column of the spinning machine, the interior of the doffing box is connected to a hydraulic electric push rod, the output end of the hydraulic electric push rod is connected to a support plate, the top of the support plate is connected to a plurality of lifting plates, the lifting plates are matched with the yarn tube liner column, the end of the lifting plates close to the yarn tube liner column is U-shaped, and the lifting plates are against the yarn tube liner column.

[0004] Although this type of yarn dropping device for a spinning frame can prevent the yarn tubes from falling to the ground, it is often unable to effectively arrange the yarn tubes during the collection process, resulting in a chaotic arrangement of the yarn tubes, which will have an adverse effect on subsequent textile processes and reduce work efficiency.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes a doffing device for a spinning frame to overcome the above technical problems existing in the existing related technology.

[0007] To this end, the specific technical solutions adopted by the utility model are as follows:

[0008] A doffing device for a spinning machine comprises a box body, a plurality of supporting columns are arranged on the top of the box body, an adjusting mechanism is arranged on the top of the supporting columns, a polygonal cylinder screen matching with the supporting columns is arranged at one end of the adjusting mechanism, and through holes are opened on the surface of the polygonal cylinder screen; a clamping mechanism is arranged at one end of the adjusting mechanism away from the polygonal cylinder screen, a splint is arranged on one side of the clamping mechanism, a yarn tube is arranged at the bottom of the splint, and a connecting column is arranged at the bottom of the yarn tube.

[0009] Furthermore, in order to enable the yarn tube to be smoothly placed in the through hole after being clamped by the clamping plate and improve the placement efficiency, an annular groove matching the through hole and the clamping plate is provided on the outer surface of the top end of the yarn tube.

[0010] Furthermore, in order to be able to adjust the position of the clamping plate so as to move the yarn bobbin from the spinning frame into the through hole, ensure the stability of the yarn bobbin movement process, reduce the risk of damage to the yarn bobbin during the yarn dropping process, and improve work efficiency, the adjusting mechanism includes a double-headed motor arranged on one side of the support column, one end of the output shaft of the double-headed motor passes through the support column and is provided with a rotating disk, one side of the rotating disk is provided with a connecting rod 1, the end of the connecting rod 1 is interspersed with an adjusting rod, and one side of the adjusting rod cooperates with the rotating assembly; a connecting rod group is provided at the end of the output shaft of the double-headed motor away from the rotating disk, and a movable frame cooperating with the clamping mechanism is symmetrically provided at one end of the connecting rod group, and a movable frame is provided at the end of the movable frame away from the clamping mechanism. A sliding block is provided, and a fixed rod matching with the supporting column is provided at the other end of the sliding block; and a rotating shaft matching with the fixed rod is provided on one side of the sliding block; the rotating assembly includes a turntable arranged on one side of the polygonal drum screen and penetrating the supporting column, and a number of arc grooves matching with the rotating disk are evenly arranged on the outer side of the turntable; a U-shaped groove matching with the adjusting rod is arranged between adjacent arc grooves; the connecting rod group includes a connecting rod 2 arranged at one end of the output shaft of the double-headed motor away from the rotating disk, a connecting rod 3 is arranged at the other end of the connecting rod 2 away from the double-headed motor, a connecting rod 4 is arranged at the other end of the connecting rod 3 away from the other end of the connecting rod 2, the other end of the connecting rod 4 passes through the supporting column and is provided with a rotating rod, and connecting rods 5 are symmetrically arranged at both ends of the rotating rod.

[0011] Furthermore, in order to be able to adapt the gap between the clamping plates to yarn tubes of different sizes and effectively clamp them, ensure the stability and safety of the yarn tubes during movement, and avoid damage to the yarn tubes due to instability, the clamping mechanism includes a long plate arranged on one side of the movable frame, sliding plates are symmetrically arranged on both sides of the long plate, and a number of clamping plates are evenly arranged on the bottom of the sliding plate; the clamping mechanism also includes an electric push rod arranged at the top of the long plate, and a fixed plate matching the sliding plate is arranged at the output end of the electric push rod; the clamping mechanism also includes a gear arranged at the top of the long plate, and racks matching the sliding plate are meshed on both sides of the gear; convex strips are symmetrically arranged on both sides of the long plate; and a groove matching the convex strip is arranged on one side of the sliding plate.

[0012] The beneficial effects of the utility model are:

[0013] 1) The utility model can effectively arrange the yarn bobbins under the cooperation of the adjustment mechanism, the polygonal roller, the through hole, the clamping mechanism and the clamping plate, so that the yarn bobbins are evenly arranged on the polygonal roller, which is convenient for subsequent spinning and improves work efficiency.

[0014] 2) Under the action of the adjustment mechanism, the position of the clamp is adjusted so that the yarn tube can be moved from the spinning frame to the through hole, ensuring the stability of the yarn tube movement process, reducing the risk of damage to the yarn tube during the yarn dropping process, and improving work efficiency.

[0015] 3) Under the action of the clamping mechanism, the gap between the clamping plates is adjusted to adapt to yarn bobbins of different sizes and effectively clamp them, ensuring the stability and safety of the yarn bobbins during movement and avoiding damage to the yarn bobbins caused by instability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a doffing device for a spinning frame according to an embodiment of the utility model;

[0018] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0019] Figure 3 It is a structural schematic diagram of another angle of a doffing device for a spinning frame according to an embodiment of the utility model;

[0020] Figure 4 yes Figure 3 A partial enlarged view of point B in the middle;

[0021] Figure 5 It is a structural schematic diagram of an adjusting mechanism in a doffing device for a spinning frame according to an embodiment of the utility model;

[0022] Figure 6 It is a structural schematic diagram of a clamping mechanism in a doffing device for a spinning frame according to an embodiment of the utility model;

[0023] Figure 7 It is a structural schematic diagram from another angle of a clamping mechanism in a doffing device for a spinning frame according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. Box; 2. Support column; 3. Adjustment mechanism; 301. Double-head motor; 302. Rotating plate; 303. Connecting rod 1; 304. Adjustment rod; 305. Rotating assembly; 3051. Rotating plate; 3052. Arc groove; 3053. U-shaped groove; 306. Connecting rod group; 3061. Connecting rod 2; 3062. Connecting rod 3; 3063. Connecting rod 4; 3064. Rotating rod; 3065. Connecting rod 5 ; 307, movable frame; 308, sliding block; 309, fixed rod; 310, rotating shaft; 4, polygonal drum screen; 5, through hole; 6, clamping mechanism; 601, long plate; 6011, convex strip; 602, sliding plate; 6021, groove; 603, electric push rod; 604, fixed plate; 605, gear; 606, rack; 7, clamping plate; 8, yarn tube; 801, annular groove; 9, connecting column. DETAILED DESCRIPTION

[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0027] According to an embodiment of the utility model, a doffing device for a spinning frame is provided.

[0028] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-Figure 7 As shown, a cleaning device for a jet loom according to an embodiment of the utility model comprises a box body 1, a plurality of support columns 2 are arranged at the top of the box body 1, an adjusting mechanism 3 is arranged at the top of the support columns, a polygonal cylinder screen 4 matched with the support columns 2 is arranged at one end of the adjusting mechanism 3, and a through hole 5 is opened on the surface of the polygonal cylinder screen 4; a clamping mechanism 6 is arranged at one end of the adjusting mechanism 3 away from the polygonal cylinder screen 4, a splint 7 is arranged on one side of the clamping mechanism 6, a yarn tube 8 is arranged at the bottom of the splint 7, and a connecting column 9 is arranged at the bottom of the yarn tube 8.

[0029] With the help of the above-mentioned technical scheme, the utility model can effectively arrange the yarn tube 8 under the cooperation of the adjusting mechanism 3, the polygonal tube screen 4, the through hole 5, the clamping mechanism 6 and the splint 7, so that the yarn tube 8 is evenly arranged on the polygonal tube screen 4, which is convenient for subsequent weaving and improves work efficiency; under the action of the adjusting mechanism 3, the position of the splint 7 is adjusted so as to move the yarn tube 8 from the connecting column 9 to the through hole 5, thereby ensuring the stability of the yarn tube 8 during the movement process, reducing the risk of damage to the yarn tube 8 during the yarn dropping process, and improving work efficiency; under the action of the clamping mechanism 6, the gap between the splints 7 is adjusted to adapt to yarn tubes 8 of different sizes and effectively clamp them, thereby ensuring the stability and safety of the yarn tube 8 during the movement process and avoiding damage to the yarn tube 8 caused by instability.

[0030] In one embodiment, the outer surface of the top end of the yarn tube 8 is provided with an annular groove 801 that matches the through hole 5 and the clamping plate 7, so that the yarn tube 8 can be smoothly placed in the through hole 8 after being clamped by the clamping plate 7, thereby improving the placement efficiency.

[0031] In one embodiment, for the above-mentioned adjustment mechanism 3, the adjustment mechanism 3 includes a double-headed motor 301 arranged on one side of the support column 2, one end of the output shaft of the double-headed motor 301 passes through the support column 2 and is provided with a rotating disk 302, one side of the rotating disk 302 is provided with a connecting rod 303, the end of the connecting rod 303 is interspersed with an adjusting rod 304, and one side of the adjusting rod 304 cooperates with the rotating component 305; the output shaft of the double-headed motor 301 is provided with a connecting rod group 306 at one end away from the rotating disk 302, and one end of the connecting rod group 306 is symmetrically provided with a movable frame 307 that cooperates with the clamping mechanism 6, and the end of the movable frame 307 that is away from the clamping mechanism 6 is provided with a sliding block 308, and the other end of the sliding block 308 is provided with a fixed rod 309 that cooperates with the support column 2; and one side of the sliding block 308 is provided with a rotating shaft 310 that cooperates with the fixed rod 309; the rotating component 305 includes a connecting rod group 306 arranged at one side of the polygonal drum screen 4 and passing through the support column 2, a turntable 3051, a plurality of arc grooves 3052 matching with the rotating disk 302 are evenly provided on the outer side of the turntable 3051; a U-shaped groove 3053 matching with the adjusting rod 304 is arranged between adjacent arc grooves 3052; the connecting rod group 306 includes a connecting rod 2 3061 arranged at one end of the output shaft of the double-headed motor 301 away from the rotating disk 302, a connecting rod 3 3062 is arranged at the other end of the connecting rod 2 3061 away from the double-headed motor 301, a connecting rod 4 3063 is arranged at the other end of the connecting rod 3062 away from the other end of the connecting rod 2 3061, and a rotating rod 3064 is arranged at the other end of the connecting rod 3062 away from the other end of the connecting rod 2 3061, and a rotating rod 3064 is arranged on the other end of the connecting rod 4 3063 passing through the support column 2, and connecting rods 5 3065 are symmetrically arranged at both ends of the rotating rod 3064, so that the position of the clamping plate 7 can be adjusted to move the yarn tube 8 from the connecting column 9 to the through hole 5, thereby ensuring the stability of the movement process of the yarn tube 8, reducing the risk of damage to the yarn tube 8 during the yarn dropping process, and improving work efficiency.

[0032] The working principle of the regulating mechanism 3 is as follows: under the control of an external controller, the double-headed motor 301 is controlled and started, and under the action of the output shafts at both ends of the double-headed motor 301, the connecting rod group 306 and the rotating disk 302 are driven to rotate respectively. During the rotation of the rotating disk 302, the connecting rod 1 303 drives the regulating rod 304 to rotate in the rotating assembly 305, and during the rotation of the rotating assembly 305, the polygonal drum screen 4 is driven to rotate; under the action of the connecting rod group 306, the movable frame 307 is driven to swing, and the sliding block 308 is driven to rotate in the movable frame 307 through the rotating shaft 310;

[0033] The working principle of the connecting rod group 306 is as follows: under the action of the output shafts at both ends of the double-headed motor 301, the connecting rod 2 3061 is driven to rotate, and the connecting rod 3 3062 is driven to rotate through the connecting rod 2 3061, and the connecting rod 4 3063 is driven to rotate through the connecting rod 3 3062, and the connecting rod 4 3063 is driven to rotate, and the movable frame 307 is driven to swing during the driving process of the connecting rod 5 3065;

[0034] The working principle of the rotating component 305 is as follows: when the adjusting rod 304 rotates in the U-shaped groove 3053 of the rotating component 305, it will drive the turntable 3051 to rotate. During the rotation of the turntable 3051, the arc groove 3052 and the rotating disk 302 cooperate with each other, so that the adjusting rod 304 enters the next U-shaped groove 3053 and drives the polygonal drum screen 4 to rotate, and the cycle is repeated in sequence to achieve uniform rotation of the polygonal drum screen 4.

[0035] In one embodiment, for the above-mentioned clamping mechanism 6, the clamping mechanism 6 includes a long plate 601 arranged on one side of the movable frame 307, and sliding plates 602 are symmetrically arranged on both sides of the long plate 601, and a plurality of clamping plates 7 are evenly arranged on the bottom of the sliding plate 602; the clamping mechanism 6 also includes an electric push rod 603 arranged at the top of the long plate 601, and a fixed plate 604 matching the sliding plate 602 is arranged at the output end of the electric push rod 603; the clamping mechanism 6 also includes a gear 605 arranged at the top of the long plate 601, and racks 606 matching the sliding plate 602 are meshed on both sides of the gear 605; convex strips 6011 are symmetrically arranged on both sides of the long plate 601; a groove 6021 matching the convex strip 6011 is arranged on one side of the sliding plate 602, so that the gap between the clamping plates 7 can be adjusted to adapt to yarn tubes 8 of different sizes and effectively clamp them, thereby ensuring the stability and safety of the yarn tube 8 during movement and avoiding damage to the yarn tube caused by instability.

[0036] The working principle of the clamping mechanism 6 is as follows: under the control of an external controller, the electric push rod 603 is controlled and started. During the extension of the output end of the electric push rod 603, the fixed plate 604 is driven to move to the left in the horizontal direction of the long plate 601, and the sliding plate 602 on the same side is driven to move to the left in the horizontal direction, and at the same time, the rack 606 on the same side is driven to move to the left, and the meshing gear 605 is driven to rotate, and the rack 606 on the other side is driven to move to the right, and the sliding plate 602 on the other side is driven to move to the right, thereby realizing the separation of the clamping plate 7. Conversely, during the contraction of the output end of the electric push rod 603, the clamping plate 7 is brought close to cooperate with the annular groove 801 in the top of the yarn tube 8 to complete the clamping of the yarn tube 8.

[0037] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0038] In practical application, first of all, according to the needs, the distance of the clamping plate 7 is adjusted by the clamping mechanism 6, and the yarn tube 8 is fixedly clamped by the clamping plate 7. After the fixed clamping, the fixed yarn tube 8 is placed inside the through hole 5 on the polygonal tube screen 4 by the adjusting mechanism 3, thereby completing the collection of the yarn tube 8.

[0039] The working principles of the adjusting mechanism 3 and the clamping mechanism 6 are as described above.

[0040] To sum up, with the help of the above-mentioned technical scheme of the utility model, the utility model can effectively arrange the yarn tube 8 under the cooperation of the adjusting mechanism 3, the polygonal tube screen 4, the through hole 5, the clamping mechanism 6 and the clamping plate 7, so that the yarn tube 8 is evenly arranged on the polygonal tube screen 4, which is convenient for subsequent weaving and improves work efficiency; under the action of the adjusting mechanism 3, the position of the clamping plate 7 is adjusted so as to move the yarn tube 8 from the connecting column 9 to the through hole 5, thereby ensuring the stability of the movement process of the yarn tube 8, reducing the risk of damage to the yarn tube 8 during the yarn dropping process, and improving work efficiency; under the action of the clamping mechanism 6, the gap between the clamping plates 7 is adjusted to adapt to yarn tubes 8 of different sizes and effectively clamp them, thereby ensuring the stability and safety of the yarn tube during movement and avoiding damage to the yarn tube caused by instability.

[0041] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A doffing device for a spinning frame, comprising a box (1), characterized in that: A plurality of support columns (2) are arranged at the top of the box body (1), an adjustment mechanism (3) is arranged at the top of the support column, a polygonal drum screen (4) matching with the support column (2) is arranged at one end of the adjustment mechanism (3), and a through hole (5) is opened on the surface of the polygonal drum screen (4); A clamping mechanism (6) is provided at one end of the adjusting mechanism (3) away from the polygonal drum screen (4), a clamping plate (7) is provided on one side of the clamping mechanism (6), a yarn drum (8) is provided at the bottom of the clamping plate (7), and a connecting column (9) is provided at the bottom end of the yarn drum (8).

2. A doffing device for a spinning frame according to claim 1, characterized in that: The outer surface of the top end of the yarn tube (8) is provided with an annular groove (801) that matches the through hole (5) and the clamping plate (7).

3. A doffing device for a spinning frame according to claim 1, characterized in that The adjustment mechanism (3) comprises a double-headed motor (301) arranged on one side of the support column (2); one end of the output shaft of the double-headed motor (301) passes through the support column (2) and is provided with a rotating disk (302); one side of the rotating disk (302) is provided with a connecting rod (303); an adjustment rod (304) is inserted through the end of the connecting rod (303); one side of the adjustment rod (304) cooperates with the rotating component (305); A connecting rod group (306) is arranged at one end of the output shaft of the double-headed motor (301) away from the rotating disk (302), a movable frame (307) cooperating with the clamping mechanism (6) is symmetrically arranged at one end of the connecting rod group (306), a sliding block (308) is arranged at one end of the movable frame (307) away from the clamping mechanism (6), and a fixing rod (309) cooperating with the support column (2) is arranged at the other end of the sliding block (308); A rotating shaft (310) matched with the fixing rod (309) is provided on one side of the sliding block (308).

4. A doffing device for a spinning frame according to claim 3, characterized in that: The rotating assembly (305) comprises a rotating disk (3051) arranged on one side of the polygonal drum screen (4) and penetrating the supporting column (2), and a plurality of arc-shaped grooves (3052) matching with the rotating disk (302) are evenly arranged on the outer side of the rotating disk (3051); A U-shaped groove (3053) matched with the adjustment rod (304) is provided between adjacent arc-shaped grooves (3052).

5. A doffing device for a spinning frame according to claim 3, characterized in that: The connecting rod group (306) comprises a second connecting rod (3061) arranged at one end of the output shaft of the double-headed motor (301) away from the rotating disk (302), a third connecting rod (3062) is arranged at the other end of the second connecting rod (3061) away from the double-headed motor (301), a fourth connecting rod (3063) is arranged at the other end of the third connecting rod (3062) away from the second connecting rod (3061), the other end of the fourth connecting rod (3063) passes through the support column (2) and is provided with a rotating rod (3064), and connecting rods (3065) are symmetrically arranged at both ends of the rotating rod (3064).

6. A doffing device for a spinning frame according to claim 5, characterized in that: The clamping mechanism (6) comprises a long plate (601) arranged on one side of the movable frame (307), sliding plates (602) are symmetrically arranged on both sides of the long plate (601), and a plurality of clamping plates (7) are evenly arranged on the bottom of the sliding plate (602); The clamping mechanism (6) further comprises an electric push rod (603) arranged at the top end of the long plate (601), and a fixed plate (604) matching with the sliding plate (602) is arranged at the output end of the electric push rod (603); The clamping mechanism (6) further comprises a gear (605) arranged at the top end of the long plate (601), and racks (606) matching with the sliding plate (602) are meshedly arranged on both sides of the gear (605).

7. A doffing device for a spinning frame according to claim 6, characterized in that: The long plate (601) is symmetrically provided with convex strips (6011) on both sides.

8. A doffing device for a spinning frame according to claim 7, characterized in that: A groove (6021) matching with the convex strip (6011) is provided on one side of the sliding plate (602).

Citation Information

Patent Citations

  • Doffing device for spinning frame

    CN218969468U