Cotton yarn strip cutting device for cotton yarn processing

Abstract

A cotton yarn strip cutting device for cotton yarn processing comprises a working table, a first sliding groove is formed in the front portion of the upper side wall of the working table, a first sliding block is arranged in the first sliding groove in a sliding mode, a first screw is rotationally connected between the two side walls of the first sliding groove, and one end of the first screw penetrates through the working table, extends to the outer side of the working table and is fixedly connected with a hand wheel. The first sliding block is in threaded connection with the first screw rod, and a movable supporting plate is fixedly connected to the upper side wall of the first sliding block. Compared with the prior art, the device has the advantages that the arc-shaped tight supporting plate can tightly support cotton cloth strip rolls with different inner diameters through the tight supporting assembly, unwinding is convenient, applicability is greatly improved, and when cotton cloth strips with the fixed length are produced, the length is determined through a distance scale and a graduated scale through the arranged material pulling assembly, and therefore the cotton cloth strips with the fixed length can be produced conveniently. And the cutting length can be quickly determined only by enabling the end part of the cotton cloth strip to abut against the rear side wall of the placing groove before each time of cutting, and the cutting length does not need to be measured before each time of cutting, so that the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cotton yarn processing, in particular to a cotton yarn strip cutting device used for cotton yarn processing. Background Art

[0002] Cotton yarn is yarn made from cotton fiber through a spinning process. After removing impurities from the cotton fiber, it needs to be processed using a crimping machine. The crimping machine is the most critical equipment on the cotton fiber processing production line. According to the principle of mechanical crimping, it is a device that curls and deforms the cotton fiber bundles in processing. It can process the clumped cotton fibers into cotton yarn strips, and then collect the cotton yarn strips. After the cotton yarn strips are collected to a certain length, they need to be cut for subsequent plying processing.

[0003] The Chinese patent with publication number CN217195530U is retrieved, and a cotton yarn cutting device for cotton yarn processing is disclosed, comprising a bottom plate, two second extension plates are fixedly connected to the rear side of the top end of the bottom plate, the top of the inner end of the second extension plate is respectively rotatably connected to the two ends of the heating rod group, the left side of the bottom end of the bottom plate is connected with a support rod through a fixed plate, the middle part of the top end of the support rod is fixedly connected to the second electric telescopic rod, the middle part of the top end of the second electric telescopic rod is fixedly connected to the middle part of the bottom end of the second clamp, the middle part of the right end of the second clamp is threadedly connected with a top plate, the middle part of the lower side of the top plate is fixedly connected with an air bar, the middle part of the top end of the air bar, the left and right ends of the bottom plate are provided with a slide groove, the inside of the slide groove is slidably connected with a slider, the top of the slider is respectively fixedly connected to the two sides of the bottom end of the limit plate, the two sides of the rear end of the limit plate near the middle are fixed with a round tube, the rear end of the round tube is fixedly connected to the first clamp, and the inner top of the first clamp is fixedly connected with the first electric telescopic rod.

[0004] The above-mentioned prior art solutions have the following deficiencies: the inner diameters of the cotton strip rolls are of different sizes, so the round roller in the above-mentioned device cannot be used for cotton strip rolls of various specifications, and has low applicability. Moreover, when producing cotton strips of fixed length, workers are required to use a tape measure to measure the cutting length before each cutting, which greatly reduces production efficiency. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a cotton yarn cutting device for cotton yarn processing to solve the problems raised in the above-mentioned background technology.

[0006] The cam is an assembly made of a plurality of movable parts, each of which is connected with a plurality of movable parts in a plurality of movable parts.

[0007] As an improvement: the tightening assembly includes a ring, a first motor, a bidirectional screw, a limit rod, an arc-shaped tightening plate and a hinged rod, the unwinding roller is slidably sleeved with two symmetrically distributed rings, a first motor is installed on one side outer wall of the unwinding roller, the output shaft end of the first motor passes through one side wall of the unwinding roller and is fixedly connected with a bidirectional screw, the other end of the bidirectional screw is threaded through two rings and is rotatably connected to the other side inner wall of the unwinding roller, the limit rod is fixedly connected between the two side inner walls of the unwinding roller, the ring is slidably connected to the limit rod, a plurality of arc-shaped tightening plates are arranged around the unwinding roller, and a hinged rod is hinged between the ring and the arc-shaped tightening plate.

[0008] As an improvement: the material pulling assembly includes a second slide groove, a second screw, a guide rod, a second slider, a material pulling block, a placement groove, a pressure plate, an electric telescopic rod, a second motor, a scale and a distance mark. Two symmetrically distributed second slide grooves are opened on the upper rear of the upper side wall of the workbench. A second slider is slidably arranged in the second slide groove. A second screw is rotatably arranged between the front and rear side walls of one of the second slide grooves and a guide rod is fixedly connected between the front and rear side walls of the other second slide groove. One of the second sliders is threadedly connected to the second screw and the other second slider is slidably connected to the guide rod A pulling block is fixedly connected between the upper side walls of the two second sliding blocks, a placement groove is opened on the front side wall of the pulling block, a pressure plate is slidably provided in the placement groove, an electric telescopic rod is installed on the upper side wall of the placement groove, the telescopic end of the electric telescopic rod is fixedly connected to the pressure plate, a second motor is installed on the rear side wall of the workbench, the output shaft end of the second motor extends into one of the second sliding grooves and is fixedly connected to one end of the second screw, a scale is embedded and installed on one side wall of the workbench, and a distance mark matching the scale is fixedly connected to one side wall of the pulling block.

[0009] As an improvement: a first bracket is fixedly connected to the upper side wall of the workbench, a third sliding groove is opened on both side walls of the first bracket, a moving block is slidably connected in the third sliding groove, a clamping spring is provided between the upper side wall of the moving block and the upper side wall of the third sliding groove, a pressing roller is rotatably provided between the two moving blocks, and a feeding roller is rotatably provided between the two side inner walls of the first bracket and below the pressing roller.

[0010] As an improvement: a cutting table is fixedly connected to the upper side wall of the workbench, a second bracket is fixedly connected to the upper side wall of the cutting table, a cylinder is installed on the upper outer wall of the second bracket, the telescopic end of the cylinder passes through the upper side wall of the second bracket and is fixedly connected to a mounting plate, and a cutting knife is installed on the mounting plate.

[0011] As an improvement: one end of one of the rotating shafts close to the unwinding roller is fixedly connected with a plug-in block, and a slot for inserting the plug-in block is provided on an outer wall of one side of the unwinding roller.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By setting up the tightening component, the arc-shaped tightening plate can tighten the cotton strips with different inner diameters to facilitate unwinding, which greatly improves applicability. By setting up the pulling component, when producing cotton strips of fixed length, after determining the length through the distance mark and the ruler, before each cutting, it is only necessary to press the end of the cotton strip against the rear side wall of the placement groove to quickly determine the cutting length. There is no need to measure the cutting length before each cutting, which greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a cotton yarn cutting device for cotton yarn processing according to the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of a tightening component of a cotton yarn cutting device for cotton yarn processing according to the utility model;

[0016] Figure 3 This is a schematic structural diagram of a second slider of a cotton yarn cutting device for cotton yarn processing according to the utility model;

[0017] Figure 4 This is a schematic diagram of the placement slot structure of a cotton yarn strip cutting device used for cotton yarn processing according to the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the first bracket structure of a cotton yarn cutting device used for cotton yarn processing.

[0019] As shown in the figure:

[0020] 1. Workbench; 1.1. First slide; 1.2. First slider; 1.3. First screw; 1.4. Hand wheel; 1.5. Movable support plate; 1.6. Fixed support plate; 1.7. Rotating shaft; 1.8. Unwinding roller; 2. Tightening assembly; 3. Pulling assembly; 2.1. Ring; 2.2. First motor; 2.3. Bidirectional screw; 2.4. Limit rod; 2.5. Arc-shaped tightening plate; 2.6. Articulated rod; 3.1. Second slide; 3.2. Second screw; 3.3. Guide rod; 3.4. Second slide block; 3.5, pulling block; 3.51, placing slot; 3.52, pressing plate; 3.53, electric telescopic rod; 3.6, second motor; 3.7, scale; 3.8, distance mark; 4, first bracket; 4.1, third slide slot; 4.2, moving block; 4.3, pressing spring; 4.4, pressing roller; 4.5, feeding roller; 5, cutting table; 5.1, second bracket; 5.2, cylinder; 5.3, mounting plate; 5.4, cutting knife; 1.71, plug-in block; 1.81, slot. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features and purpose effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both sides", "one side", "the other side" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1As shown, a cotton yarn cutting device for cotton yarn processing comprises a workbench 1, a first slide groove 1.1 is provided on the front of the upper side wall of the workbench 1, a first slider 1.2 is slidably provided in the first slide groove 1.1, a first screw rod 1.3 is rotatably connected between the two side walls of the first slide groove 1.1, one end of the first screw rod 1.3 passes through the workbench 1 and extends to the outside thereof and is fixedly connected with a hand wheel 1.4, the first slider 1.2 is threadedly connected with the first screw rod 1.3, a movable support plate 1.5 is fixedly connected to the upper side wall of the first slider 1.2, and the first screw rod 1.3 can be driven to rotate by rotating the hand wheel 1.4, and the first screw rod 1.3 can be driven to rotate by rotating the hand wheel 1.4. The first slider 1.2 drives the movable support plate 1.5 to move along the first slide groove 1.1 to achieve the purpose of controlling the position of the movable support plate 1.5. When installing the cotton cloth strip roll, the movable support plate 1.5 is kept away from the unwinding roller 1.8 to facilitate the installation of the cotton cloth strip roll. A fixed support plate 1.6 is fixedly connected to the front side of the upper side wall of the workbench 1, away from the movable support plate 1.5. A rotating shaft 1.7 is rotatably connected to the side wall where the movable support plate 1.5 and the fixed support plate 1.6 are close to each other. An unwinding roller 1.8 is provided between the two rotating shafts 1.7, and a tightening component 2 is provided on the unwinding roller 1.8. A material pulling component 3 is also provided on the upper side wall of the workbench 1.

[0025] Specifically, Figure 2 As shown, a cotton yarn cutting device for cotton yarn processing, the tensioning assembly 2 includes a collar 2.1, a first motor 2.2, a bidirectional screw 2.3, a limit rod 2.4, an arc-shaped tensioning plate 2.5 and a hinge rod 2.6, and the unwinding roller 1.8 is slidably sleeved with two symmetrically distributed collars 2.1, and the first motor 2.2 is installed on the outer wall of one side of the unwinding roller 1.8. The output shaft end of the first motor 2.2 passes through one side wall of the unwinding roller 1.8 and is fixedly connected with the bidirectional screw 2.3. The other end of the bidirectional screw 2.3 is threaded through the two collars 2.1 and is rotatably connected to the inner wall of the other side of the unwinding roller 1.8. .8, a limit rod 2.4 is fixedly connected between the inner walls on both sides, the ring 2.1 is slidably connected to the limit rod 2.4, a plurality of arc-shaped tightening plates 2.5 are arranged around the unwinding roller 1.8, a hinged rod 2.6 is hinged between the ring 2.1 and the arc-shaped tightening plates 2.5, the output shaft of the first motor 2.2 can drive the bidirectional screw 2.3 to rotate, and when the bidirectional screw 2.3 rotates, the two rings 2.1 can be made to approach each other along the limit rod 2.4, and under the action of the hinged rod 2.6, the plurality of arc-shaped tightening plates 2.5 will tighten the cotton strip roll to facilitate unwinding, and is suitable for cotton strip rolls with various inner diameters, which greatly improves the applicability.

[0026] Specifically, Figure 1 , Figure 3 and Figure 4As shown, a cotton yarn cutting device for cotton yarn processing, the material pulling component 3 includes a second slide 3.1, a second screw 3.2, a guide rod 3.3, a second slider 3.4, a material pulling block 3.5, a placement groove 3.51, a pressure plate 3.52, an electric telescopic rod 3.53, a second motor 3.6, a scale 3.7 and a distance mark 3.8, two symmetrically distributed second slides 3.1 are opened on the upper rear of the upper side wall of the workbench 1, and a second slider 3.4 is slidably arranged in the second slide 3.1, a second screw 3.2 is rotatably arranged between the front and rear side walls of one of the second slides 3.1, and the other second slide 3 A guide rod 3.3 is fixedly connected between the front and rear side walls of the workbench 1, one of the second sliders 3.4 is threadedly connected to the second screw rod 3.2 and the other second slider 3.4 is slidably connected to the guide rod 3.3, a pulling block 3.5 is fixedly connected between the upper side walls of the two second sliders 3.4, a placement groove 3.51 is provided on the front side wall of the pulling block 3.5, a pressing plate 3.52 is slidably provided in the placement groove 3.51, an electric telescopic rod 3.53 is installed on the upper side wall of the placement groove 3.51, the telescopic end of the electric telescopic rod 3.53 is fixedly connected to the pressing plate 3.52, and a second electric The output shaft end of the second motor 3.6 extends into one of the second slide grooves 3.1 and is fixedly connected to one end of the second screw 3.2. A scale 3.7 is embedded and installed on one side wall of the workbench 1. A distance mark 3.8 matching the scale 3.7 is fixedly connected to one side wall of the pulling block 3.5. The output shaft of the second motor 3.6 can drive the second screw 3.2 to rotate. When the second screw 3.2 rotates, the second slider 3.4 can drive the pulling block 3.5 to move forward and backward. At the same time, the other second slider 3.4 will follow and move along the guide rod 3.3. When the pulling block 3.5 moves, The cutting length is determined according to the scale on the ruler 3.7 indicated by the distance mark 3.8. When cutting, one end of the cotton strip is pressed against the rear side wall of the placement groove 3.51, and the telescopic end of the electric telescopic rod 3.53 pushes the pressing plate 3.52 downward so that the pressing plate 3.52 presses the cotton strip, and then cutting can be carried out. When producing cotton strips of fixed length, after determining the cutting length by the distance mark 3.8 and the ruler 3.7, before each cutting, the cutting length can be quickly determined by pressing the end of the cotton strip against the rear side wall of the placement groove 3.51, and there is no need to measure the cutting length before each cutting, which greatly improves production efficiency.

[0027] Specifically, Figure 5As shown, a cotton yarn cutting device for cotton yarn processing is provided, wherein a first bracket 4 is fixedly connected to the upper side wall of the workbench 1, and a third slide groove 4.1 is provided on both side walls of the first bracket 4, a moving block 4.2 is slidably connected in the third slide groove 4.1, a clamping spring 4.3 is provided between the upper side wall of the moving block 4.2 and the upper side wall of the third slide groove 4.1, a pressing roller 4.4 is rotatably provided between the two moving blocks 4.2, and a feeding roller 4.5 is rotatably provided between the inner walls on both sides of the first bracket 4 and below the pressing roller 4.4, under the action of the clamping spring 4.3, the moving block 4.2 continuously drives the pressing roller 4.4 to press down, so that the pressing roller 4.4 can press the cotton strip against the feeding roller 4.5, so that the cotton strip is in a straight state when cutting, thereby avoiding errors after cutting.

[0028] Specifically, Figure 3 As shown, a cotton yarn strip cutting device for cotton yarn processing, a cutting table 5 is fixedly connected to the upper side wall of the workbench 1, a second bracket 5.1 is fixedly connected to the upper side wall of the cutting table 5, a cylinder 5.2 is installed on the upper outer wall of the second bracket 5.1, the telescopic end of the cylinder 5.2 passes through the upper side wall of the second bracket 5.1 and is fixedly connected to a mounting plate 5.3, a cutting knife 5.4 is installed on the mounting plate 5.3, the telescopic end of the cylinder 5.2 can push the mounting plate 5.3 to drive the cutting knife 5.4 to move downward, so that the cutting knife 5.4 cuts the cotton strips.

[0029] Specifically, Figure 2 As shown, a cotton yarn cutting device for cotton yarn processing is shown, in which a plug-in block 1.71 is fixedly connected to one end of a rotating shaft 1.7 close to a reel 1.8, and a slot 1.81 for inserting the plug-in block 1.71 is provided on one side outer wall of the reel 1.8. After the plug-in block 1.71 is inserted into the slot 1.81, when the reel 1.8 rotates, the rotating shaft 1.7 can rotate synchronously, so that the movable support plate 1.5 can support the reel 1.8.

[0030] When the utility model is implemented specifically, the output shaft of the second motor 3.6 can drive the second screw 3.2 to rotate. When the second screw 3.2 rotates, the second slider 3.4 can drive the pulling block 3.5 to move forward and backward. At the same time, the other second slider 3.4 will follow and move along the guide rod 3.3. When the pulling block 3.5 moves, the cutting length is determined according to the scale on the scale ruler 3.7 indicated by the distance mark 3.8. After the cutting length is determined, the cotton cloth strip is rolled onto the arc-shaped tightening plate 2.5, and then the hand wheel 1.4 is turned to drive the first screw 1.3 to rotate. When the first screw 1.3 rotates, the first slider 1.2 can drive the movable support plate 1.5 to move, so that the plug-in block 1.71 on the rotating shaft 1.7 connected to the movable support plate 1.5 is inserted into the slot 1.81 on the unwinding roller 1.8. The output shaft of the first motor 2.2 can drive the bidirectional screw 2.3 to rotate. When the bidirectional screw 2.3 rotates, the two collars 2.1 can be moved along The limit rods 2.4 are close to each other, and under the action of the hinged rod 2.6, the multiple arc-shaped tensioning plates 2.5 will tighten the cotton strip roll to facilitate unwinding, and then one end of the cotton strip will be pulled out, passed between the pressing roller 4.4 and the feeding roller 4.5, and then passed under the cutting knife 5.4 and placed in the placement groove 3.51, so that the end of the cotton strip is pressed against the rear side wall of the placement groove 3.51, and the telescopic end of the electric telescopic rod 3.53 pushes the pressing plate 3.52 downward, so that the pressing plate 3.52 presses the cotton strip, and the telescopic end of the cylinder 5.2 pushes the mounting plate 5.3 to drive the cutting knife 5.4 to move downward, so that the cutting knife 5.4 cuts the cotton strip. After cutting, the cut cotton strip is taken out, and then the cutting end of the cotton strip roll is pulled to make it close to the rear side wall of the placement groove 3.51. The electric telescopic rod 3.53 pushes the pressing plate 3.52 downward, and the cotton strip is fixed and then the cutting can be continued. In this way, equidistant cotton strips can be obtained, and the production efficiency is high.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cotton yarn cutting device for cotton yarn processing, comprising a workbench (1), characterized in that: A first slide groove (1.1) is provided on the front of the upper side wall of the workbench (1), a first slider (1.2) is slidably provided in the first slide groove (1.1), a first screw rod (1.3) is rotatably connected between the two side walls of the first slide groove (1.1), one end of the first screw rod (1.3) passes through the workbench (1) and extends to the outside thereof and is fixedly connected to a hand wheel (1.4), the first slider (1.2) is threadedly connected to the first screw rod (1.3), and the upper side wall of the first slider (1.2) is fixedly connected to the first side wall of the workbench (1.1). A movable support plate (1.5) is fixedly connected thereto; a fixed support plate (1.6) is fixedly connected thereto on the front side of the upper side wall of the workbench (1) away from the movable support plate (1.5); a rotating shaft (1.7) is rotatably connected to the side wall where the movable support plate (1.5) and the fixed support plate (1.6) are close to each other; a reeling roller (1.8) is provided between the two rotating shafts (1.7); a tightening assembly (2) is provided on the reeling roller (1.8); and a material pulling assembly (3) is also provided on the upper side wall of the workbench (1).

2. A cotton yarn cutting device for cotton yarn processing according to claim 1, characterized in that: The tensioning assembly (2) comprises a sleeve (2.1), a first motor (2.2), a bidirectional screw (2.3), a limit rod (2.4), an arc-shaped tensioning plate (2.5) and a hinge rod (2.6); two sleeves (2.1) are slidably sleeved on the unwinding roller (1.8) and are symmetrically distributed; a first motor (2.2) is mounted on an outer wall of one side of the unwinding roller (1.8); an output shaft end of the first motor (2.2) passes through a side wall of the unwinding roller (1.8) and is fixedly connected to the bidirectional screw ( 2.3), the other end of the bidirectional screw (2.3) is threadedly passed through two sleeve rings (2.1) and is rotatably connected to the inner wall of the other side of the unwinding roller (1.8), a limit rod (2.4) is fixedly connected between the inner walls of the two sides of the unwinding roller (1.8), the sleeve ring (2.1) is slidably connected to the limit rod (2.4), a plurality of arc-shaped tightening plates (2.5) are arranged around the unwinding roller (1.8), and a hinged rod (2.6) is hinged between the sleeve ring (2.1) and the arc-shaped tightening plates (2.5).

3. A cotton yarn cutting device for cotton yarn processing according to claim 1, characterized in that: The material pulling assembly (3) comprises a second slide groove (3.1), a second screw rod (3.2), a guide rod (3.3), a second slider (3.4), a material pulling block (3.5), a placement groove (3.51), a pressure plate (3.52), an electric telescopic rod (3.53), a second motor (3.6), a scale (3.7) and a distance mark (3.8). Two symmetrically distributed second slide grooves (3.1) are provided at the upper rear of the upper side wall of the workbench (1). A second slider (3.4) is slidably provided in the second slide groove (3.1). A second screw rod (3.2) is rotatably provided between the front and rear side walls of one of the second slide grooves (3.1) and a guide rod (3.3) is fixedly connected between the front and rear side walls of the other second slide groove (3.1). One of the second sliders (3.4) is threadedly connected to the second screw rod (3.2) and the other second slider (3.4) is threadedly connected to the guide rod (3. 3) Sliding connection, a pulling block (3.5) is fixedly connected between the upper side walls of the two second sliding blocks (3.4), a placement groove (3.51) is opened on the front side wall of the pulling block (3.5), a pressure plate (3.52) is slidably provided in the placement groove (3.51), an electric telescopic rod (3.53) is installed on the upper side wall of the placement groove (3.51), and the telescopic end of the electric telescopic rod (3.53) is fixedly connected to the pressure plate (3.52), a second motor (3.6) is installed on the rear side wall of the workbench (1), the output shaft end of the second motor (3.6) extends into one of the second sliding grooves (3.1) and is fixedly connected to one end of the second screw rod (3.2), a scale (3.7) is embedded and installed on one side wall of the workbench (1), and a distance mark (3.8) matching the scale (3.7) is fixedly connected to one side wall of the pulling block (3.5).

4. A cotton yarn cutting device for cotton yarn processing according to claim 1, characterized in that: A first bracket (4) is fixedly connected to the upper side wall of the workbench (1), and a third slide groove (4.1) is provided on both side walls of the first bracket (4). A moving block (4.2) is slidably connected in the third slide groove (4.1), and a clamping spring (4.3) is provided between the upper side wall of the moving block (4.2) and the upper side wall of the third slide groove (4.1). A pressing roller (4.4) is rotatably provided between the two moving blocks (4.2), and a feeding roller (4.5) is rotatably provided between the inner walls of both sides of the first bracket (4) and below the pressing roller (4.4).

5. The cotton yarn cutting device for cotton yarn processing according to claim 1, characterized in that: A cutting table (5) is fixedly connected to the upper side wall of the workbench (1), a second bracket (5.1) is fixedly connected to the upper side wall of the cutting table (5), a cylinder (5.2) is mounted on the upper outer wall of the second bracket (5.1), a telescopic end of the cylinder (5.2) passes through the upper side wall of the second bracket (5.1) and is fixedly connected to a mounting plate (5.3), and a cutting knife (5.4) is mounted on the mounting plate (5.3).

6. A cotton yarn cutting device for cotton yarn processing according to claim 1, characterized in that: One end of one of the rotating shafts (1.7) close to the unwinding roller (1.8) is fixedly connected to a plug-in block (1.71), and a slot (1.81) for inserting the plug-in block (1.71) is provided on an outer wall of one side of the unwinding roller (1.8).

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