Cut-off device for cation modified polyester filament yarn production

Abstract

The utility model discloses a cut-off device for cation modified polyester filament yarn production, which relates to the technical field of polyester filament yarn production, and comprises a bottom plate, a winding mechanism is fixedly arranged at the top of the bottom plate, two symmetrically arranged vertical plates are fixedly arranged at the top of the bottom plate, a cross rod is rotatably arranged between the two vertical plates, and a guide wheel is fixedly sleeved on the rod wall of the cross rod. A buffering frame is fixedly arranged on the outer wall of the winding mechanism through a connecting plate, a buffering assembly is arranged in the buffering frame, a transverse plate is fixedly arranged at the top of the vertical plate, a supporting frame is fixedly arranged at the top of the transverse plate, a rotating rod is fixedly and rotatably arranged on the supporting frame, and a cut-off knife rotatably sleeves the rod wall of the rotating rod. According to the bottom plate, the winding mechanism, the vertical plate, the cross rod, the guide wheel, the cut-off knife, the push cut-off assembly and the buffer assembly, elastic extrusion can be conducted on polyester filaments before winding, the filaments are kept in a stable tightening state after being cut off, the situation that the filaments are loosened due to rapid rebound after being cut off is avoided as much as possible, and the follow-up winding effect of the filaments is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester filament production, in particular to a cutting device for producing cationic modified polyester filament. Background Art

[0002] Cationic modified polyester filament is a new type of polyester product spun by introducing dimethyl isophthalate with a polar group SO3Na into polyester chips. Its appearance is not significantly different from ordinary polyester filament, but its performance has been significantly improved due to the use of ion modification technology. However, it needs to be truncated during the production process of polyester filament.

[0003] After searching, the patent number CN212688268U discloses a cutting device for the production of cationic modified polyester filaments. The cutting device cooperates with the cutting mechanism by setting a limit mechanism, and can quickly cut the cationic modified polyester filaments into a fixed length, so that the equipment can be well used in conjunction with automated production equipment.

[0004] However, since the polyester filaments are in a taut state during the winding process, when the filaments are cut, the taut state disappears easily, causing the filaments on the winding roller to become loose, thereby reducing the subsequent winding effect of the filaments. Utility Model Content

[0005] In view of the above problems existing in the existing cutting device for producing cationic modified polyester filaments, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a cutting device for the production of cationic modified polyester filaments, which solves the problem that the filaments cannot obtain effective elastic buffering during the cutting process, resulting in the filaments becoming loose after the tension state disappears, thus affecting the subsequent winding effect.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A cutting device for producing cationic modified polyester filaments comprises a bottom plate, a winding mechanism is fixedly arranged on the top of the bottom plate, two symmetrically arranged vertical plates are fixedly arranged on the top of the bottom plate, a cross bar is rotatably arranged between the two vertical plates, a guide wheel is fixedly arranged on the rod wall of the cross bar, a buffer frame is fixedly arranged on the outer wall of the winding mechanism through a connecting plate, and a buffer assembly is arranged inside the buffer frame;

[0009] A horizontal plate is fixedly provided on the top of the vertical plate, a support frame is fixedly provided on the top of the horizontal plate, a rotating rod is fixedly provided on the upper end of the support frame, a cutting knife is rotatably sleeved on the rod wall of the rotating rod, the knife head of the cutting knife is matched with the inside of the guide wheel, and a pushing and cutting assembly is provided at the lower end of the cutting knife.

[0010] Preferably, the pushing and cutting assembly includes an electric push rod, which is fixedly connected to the bottom of the cross plate, and the output end passes through the cross plate and extends to the outside. A push plate is fixedly provided at the lower end of the cutting knife, and the output shaft of the electric push rod is in contact with the push plate.

[0011] Preferably, a torsion spring is sleeved on the rod wall of the rotating rod, and two ends of the torsion spring are fixedly connected to the rotating rod and the supporting frame respectively.

[0012] Preferably, the buffer assembly includes a pressure plate, and both sides of the inner wall of the buffer frame are provided with sliding grooves, a sliding plate is slidably provided in the sliding groove, the sliding plate is fixedly connected to the pressure plate, and a spring is fixedly provided between the sliding plate and the bottom of the inner wall of the sliding groove.

[0013] Furthermore, the side portions of the two pressing plates are arranged to be inclined.

[0014] Preferably, a pressing groove is provided at the bottom of the pressing plate.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model can elastically squeeze the polyester filaments before winding through the bottom plate, winding mechanism, vertical plate, cross bar, guide wheel, cutting knife, pushing and cutting assembly and buffer assembly, so as to keep the filaments in a stable and taut state after being cut off, and try to avoid the filaments from rebounding quickly after being cut off and becoming loose, so as to ensure the subsequent winding effect of the filaments.

[0017] 2. The utility model, through the provided pressing plate and pressing groove, can ensure that the filaments can be stably limited and pressed during the transmission process, thereby improving the stability of filament cut-off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application 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 recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a side structural schematic diagram of the vertical plate and guide wheel of the utility model;

[0021] Figure 3 It is a side structural schematic diagram of the buffer frame of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the pressing plate of the utility model.

[0023] Description of reference numerals:

[0024] 1. Bottom plate; 2. Winding mechanism; 3. Vertical plate; 4. Cross bar; 5. Guide wheel; 6. Connecting plate; 7. Buffer frame; 8. Cross plate; 9. Support frame; 10. Rotating rod; 11. Cutting knife; 12. Electric push rod; 13. Push plate; 14. Torsion spring; 15. Pressing plate; 16. Slide plate; 17. Spring; 18. Pressing groove. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model embodiment discloses a cutting device for producing cationic modified polyester filaments.

[0027] Example 1

[0028] The utility model provides Figure 1-4 The cutting device for producing cationic modified polyester filaments shown in the figure comprises a bottom plate 1, a winding mechanism 2 is fixedly provided on the top of the bottom plate 1, two symmetrically arranged vertical plates 3 are fixedly provided on the top of the bottom plate 1, a cross bar 4 is rotatably provided between the two vertical plates 3, a guide wheel 5 is fixedly provided on the rod wall of the cross bar 4, a buffer frame 7 is fixedly provided on the outer wall of the winding mechanism 2 through a connecting plate 6, a cross plate 8 is fixedly provided on the top of the vertical plate 3, a support frame 9 is fixedly provided on the top of the cross plate 8, a rotating rod 10 is fixedly provided on the upper end of the support frame 9, and a rod wall of the rotating rod 10 is rotatably provided on the sleeve A cutting knife 11 is provided, and a torsion spring 14 is provided on the rod wall of the rotating rod 10. The two ends of the torsion spring 14 are respectively fixedly connected to the rotating rod 10 and the support frame 9. The cutter head of the cutting knife 11 is matched with the inside of the guide wheel 5. The lower end of the cutting knife 11 is provided with a pushing and cutting component. The pushing and cutting component includes an electric push rod 12. The electric push rod 12 is fixedly connected to the bottom of the cross plate 8, and the output end passes through the cross plate 8 and extends to the outside. A push plate 13 is fixedly provided at the lower end of the cutting knife 11, and the output shaft of the electric push rod 12 is in contact with the push plate 13.

[0029] During the production process of polyester filament, the filament passes through the guide wheel 5 and enters the buffer frame 7, and is then wound through the winding mechanism 2. During this process, the filament is elastically squeezed in the buffer frame 7. When the polyester filament needs to be cut, the electric push rod 12 is started, so that the electric push rod 12 pushes the push plate 13. At this time, the push plate 13 drives the cutting knife 11 to rotate around the rotating rod 10 and twists the torsion spring 14. When the cutting knife 11 rotates, the blade head of the cutting knife 11 extends into the guide wheel 5 to cut the filament. After cutting, the electric push rod 12 moves back. At this time, under the torsion recovery of the torsion spring 14, the cutting knife 11 returns to its original position. At the same time, under the setting of the buffer frame 7, the rapid rebound of the polyester filament can be avoided as much as possible, which may cause the filament on the outside of the winding mechanism to loosen.

[0030] Example 2

[0031] Example 2 is based on Example 1 in order to be able to stably compress the polyester filaments before and after cutting to ensure the stability of the filaments during transportation. Figure 1 and Figure 3-4 As shown, a buffer assembly is provided inside the buffer frame 7, and the buffer assembly includes a pressure plate 15. The sides of the two pressure plates 15 are inclined, and sliding grooves are provided on both sides of the inner wall of the buffer frame 7. A slide plate 16 is provided to slide in the slide groove. The slide plate 16 is fixedly connected to the pressure plate 15. A spring 17 is fixed between the slide plate 16 and the bottom of the inner wall of the slide groove, and a pressure groove 18 is provided at the bottom of the pressure plate 15.

[0032] During the filament conveying process, when the filament enters the buffer rack 7, the filament can enter the bottom of the pressing plate 15 through the inclined surface of the pressing plate 15 and be located in the pressing groove 18. At this time, under the elastic extrusion of the two springs 17, the filament is elastically compressed, so that the filament can be stably maintained in a taut state before and after cutting, thereby improving the filament winding stability.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A cutting device for producing cationic modified polyester filaments, comprising a bottom plate (1), characterized in that: A winding mechanism (2) is fixedly provided on the top of the bottom plate (1), two symmetrically arranged vertical plates (3) are fixedly provided on the top of the bottom plate (1), a cross bar (4) is rotatably provided between the two vertical plates (3), a guide wheel (5) is fixedly sleeved on the rod wall of the cross bar (4), a buffer frame (7) is fixedly provided on the outer wall of the winding mechanism (2) via a connecting plate (6), and a buffer assembly is provided inside the buffer frame (7); A horizontal plate (8) is fixedly provided on the top of the vertical plate (3), a support frame (9) is fixedly provided on the top of the horizontal plate (8), a rotating rod (10) is fixedly provided on the upper end of the support frame (9), a cutting knife (11) is rotatably sleeved on the rod wall of the rotating rod (10), a knife head of the cutting knife (11) is matched with the inside of the guide wheel (5), and a pushing and cutting assembly is provided at the lower end of the cutting knife (11).

2. The cutting device for producing cationic modified polyester filament according to claim 1, characterized in that: The pushing and cutting assembly comprises an electric push rod (12), the electric push rod (12) is fixedly connected to the bottom of the horizontal plate (8), and the output end passes through the horizontal plate (8) and extends to the outside, and a push plate (13) is fixedly provided at the lower end of the cutting knife (11), and the output shaft of the electric push rod (12) is in contact with the push plate (13).

3. The cutting device for producing cationic modified polyester filament according to claim 1, characterized in that: A torsion spring (14) is sleeved on the rod wall of the rotating rod (10), and two ends of the torsion spring (14) are respectively fixedly connected to the rotating rod (10) and the support frame (9).

4. The cutting device for producing cationic modified polyester filament according to claim 1, characterized in that: The buffer assembly comprises a pressure plate (15), and both sides of the inner wall of the buffer frame (7) are provided with sliding grooves, and a slide plate (16) is slidably arranged in the sliding groove. The slide plate (16) is fixedly connected to the pressure plate (15), and a spring (17) is fixedly arranged between the slide plate (16) and the bottom of the inner wall of the sliding groove.

5. The cutting device for producing cationic modified polyester filament according to claim 4, characterized in that: The side portions of the two pressing plates (15) are arranged to be inclined.

6. The cutting device for producing cationic modified polyester filaments according to claim 4, characterized in that: A pressing groove (18) is provided at the bottom of the pressing plate (15).

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