CN220744973U - Yarn cutting machine - Google Patents

Abstract

The utility model discloses a yarn cutting machine, which comprises a frame, wherein a rotating unit, a cutting unit, a clamp unit and a yarn sucking unit are arranged on the frame; a cutting station is arranged around the rotating unit, and the cutting unit, the yarn sucking unit and the clamp unit are positioned at the cutting station; the rotating unit comprises a rotating plate, and a plurality of groups of yarn cylinder placing frames are arranged on the rotating plate in a surrounding manner; the cutting unit comprises a cutting machine, a heat flow gun, a first moving pair and a second moving pair, wherein the cutting machine and the heat flow gun are connected with the second moving pair, the second moving pair is arranged along the feeding direction of the cutting machine, and the second moving pair is connected with the first moving pair. The yarn cutting machine has the characteristics of rapid cutting, guaranteeing the non-destructive cutting of the yarn cylinder to be reusable and improving the processing efficiency.

Description

Yarn cutting machine

Technical Field

The utility model relates to the field of textile machinery, in particular to a yarn cutting machine.

Background

Spinning is divided into two processes of spinning and braiding, wherein raw material fibers are spun into yarns and wound on bobbins in the spinning process, and the yarns on different bobbins are pulled out by a spinning machine to be braided into cloth in the braiding process. In the existing industrial production, an automatic textile machine is adopted for textile, a large number of bobbins are needed in the production process, but the last two layers of tail yarns wound on the bobbins cannot be completely used in the spinning or weaving process, and the rest yarns on the bobbins have to be cut off in order to recycle the bobbins.

At present, the traditional method for processing residual yarn tubes (yarn tubes with residual yarns) in the textile industry is mainly finished by manually operating and sequentially cutting the residual yarns on the yarn tubes by means of a grinding wheel or a blade. However, the traditional cutting process has low efficiency, high labor intensity and low safety coefficient, the cut yarn is easy to scatter everywhere, the yarn tube is easy to cut, the production requirement is difficult to meet, and the economic benefit of enterprises is influenced.

The related manufacturer designs an automatic yarn cutting machine, such as a yarn cutting machine for a yarn tube with the application number of 202121571005.1, the yarn cutting machine for the yarn tube has the input mechanism in the form of a ramp, the yarn tube is directly input to the yarn cutting mechanism along the ramp, then feeding positioning, yarn cutting and tube withdrawal actions are carried out at the station, and the three actions have continuous properties, so that when the yarn tube is processed, after the previous yarn tube is required to sequentially complete the three actions, the next yarn tube can be processed, the processing of each yarn tube is respectively carried out, and the whole processing is long in time consumption and low in efficiency. In addition, the yarn cutting machine adopts a hot-flow gun which fuses yarns in a hot-melting mode, so that the yarns can be cut after the temperature reaches a certain value (the melting point of the yarns), and instantaneous cutting cannot be achieved; and the heat gun can loose a large amount of heat in the yarn melting process, the thicker yarn layer can not be fused once, and the overall cutting efficiency is lower.

In view of the above, the present utility model provides a yarn cutting machine.

Disclosure of Invention

The utility model provides a yarn cutting machine, which has the characteristics of rapid cutting, guaranteeing the non-destructive cutting and recycling of a yarn cylinder and improving the processing efficiency; specifically, the utility model is realized by the following technical scheme:

a yarn cutting machine comprises a frame, wherein a rotating unit, a cutting unit, a clamp unit and a yarn sucking unit are arranged on the frame; a cutting station is arranged around the rotating unit, and the cutting unit, the yarn sucking unit and the clamp unit are positioned at the cutting station; the rotating unit comprises a rotating plate, and a plurality of groups of yarn cylinder placing frames are arranged on the rotating plate in a surrounding manner; the cutting unit comprises a cutting machine, a heat flow gun, a first moving pair and a second moving pair, wherein the cutting machine and the heat flow gun are connected with the second moving pair, the second moving pair is arranged along the feeding direction of the cutting machine, and the second moving pair is connected with the first moving pair.

Further, the yarn cutting machine also comprises a tube withdrawing unit; a cylinder withdrawing station is arranged around the rotating unit, and the cylinder withdrawing unit is positioned at the cylinder withdrawing station; the cylinder withdrawing unit comprises a fifth driving piece.

Further, the yarn cutting machine further comprises a yarn tube detecting unit arranged on the frame and used for detecting whether a yarn tube is placed in the yarn tube placing frame rotating to the cutting station.

Further, the yarn cutting machine also comprises an upper cylinder withdrawing unit; a cylinder loading station is arranged around the rotating unit, and the cylinder loading unit is positioned at the cylinder loading station; the upper cylinder unit comprises a sixth driving piece and a feeding push rod, which are connected.

Further, the yarn cylinder placing frame comprises a loop bar, a first baffle, a bracket and a third movable pair; the third sliding pair setting direction is parallel with the second sliding pair setting direction, and the third sliding pair includes third slide rail, third slider, and support mounting is on the rotor plate, and third slide rail and leg joint, third slider and third slide rail assembly, first baffle are connected with the third slider, and the one end and the first baffle of loop bar are connected.

Further, a nut is arranged on the support, an adjusting bolt is arranged in the nut, the axis of the adjusting bolt is consistent with the arrangement direction of the third sliding rail, and the end part of the adjusting bolt is used for determining the initial position of the third sliding block.

The position of the yarn cylinder can be adjusted by adjusting bolts according to the outer diameter of the yarn cylinder.

Further, a first gear is arranged at the bottom of the rotating plate, the first gear is meshed with a second gear, and the second gear is connected with the motor in a linkage mode.

Further, the first moving pair comprises a first sliding rail and a corresponding first sliding block, and the second moving pair comprises a second sliding rail and a corresponding second sliding block; the cutting machine and the hot runner are connected with the second sliding block; the first driving piece is connected with the first sliding block, and the second driving piece is connected with the second sliding block.

Further, the first driving piece is a synchronous belt, the first sliding rail is connected with the truss, the first sliding block is connected with the synchronous belt, the synchronous belt is sleeved on a belt wheel, and the belt wheel is connected with the motor in a linkage way; the second driving piece is a screw rod, the second sliding rail is connected with the first sliding block, and the second sliding block is connected with the screw rod.

Further, the clamp unit comprises a second baffle plate and a fourth driving piece; the second baffle is connected with a fourth driving piece, and the setting direction of the fourth driving piece is parallel to the setting direction of the first moving pair.

The clamp can limit the axial direction of the yarn cylinder, so that the condition that the yarn cylinder moves in the axial direction when cutting yarns is avoided.

Further, the third moving pair is driven by a third driving piece arranged at the cutting station, and the arrangement direction of the third driving piece is parallel to the arrangement mode of the third moving pair.

The third moving pair and the third driving piece are used for feeding the yarn cylinder to be close to the cutting machine, and limiting the yarn cylinder in the feeding direction of the cutting machine.

Further, the upper cylinder unit further comprises a ramp plate and a sixth moving pair, and the sixth moving pair comprises a sixth sliding rail and a sixth sliding block; the sixth driving piece is located ramp board low side department, and the drive end of sixth driving piece is connected with the material loading push rod, and the sixth slider is connected with the material loading push rod, and the sixth slide rail is connected with the frame.

The beneficial effects of this application lie in:

the setting of rotary unit accomplishes three actions of material loading, yarn cutting, unloading respectively in three stations, therefore first yarn section of thick bamboo is when carrying out the unloading, and the yarn cutting can be carried out to the second yarn section of thick bamboo, and the material loading can be carried out to the third yarn section of thick bamboo, and the process time between the adjacent yarn section of thick bamboo can overlap, and whole process time shortens, and work efficiency has obtained the improvement.

The heat flow gun cuts off yarns in a hot melting mode, the cutter cuts off yarns in a blade cutting mode, the cutter and the cutter synchronously work, the feeding depth of the cutter is controlled, so that the cutter can rapidly cut off a large number of yarn layers, and the rest yarns are cut in an auxiliary mode by the heat flow gun, so that the cutter cannot damage the surface of a yarn barrel, the yarn barrel is not damaged and can be recycled, the defect of the heat flow gun is overcome, and simultaneously, thicker yarns can be rapidly cut.

Drawings

FIG. 1 is a perspective view of an embodiment of a yarn cutting machine according to the present utility model;

FIG. 2 is a perspective view of an embodiment of a rotary unit according to the present utility model;

FIG. 3 is a top view of an embodiment of a rotary unit according to the present utility model;

FIG. 4 is another perspective view of an embodiment of a rotary unit according to the present utility model;

FIG. 5 is a perspective view of an embodiment of a rotary unit with a base plate removed according to the present utility model;

FIG. 6 is a perspective view of a third drive member engaged with a yarn bobbin holder according to the present utility model;

FIG. 7 is a perspective view of a yarn bobbin holder according to the present utility model;

fig. 8 is a perspective view of a cutting unit according to the present utility model;

FIG. 9 is an enlarged view of a portion of FIG. 8;

fig. 10 is a perspective view of a clamp unit provided by the present utility model;

FIG. 11 is a perspective view of another embodiment of a yarn cutting machine according to the present utility model;

fig. 12 is a partial enlarged view of fig. 11.

Wherein: 1. a frame; 2. a rotating unit; 21. a rotating plate; 211. positioning holes; 22. yarn cylinder placing rack; 221. a loop bar; 222. a first baffle; 223. a bracket; 224. a third mobile pair; 2241. a third slide rail; 2242. a third slider; 225. an elastic sheet; 227. a spring; 228. a bottom plate; 229. an adjusting bolt; 23. a first gear; 24. a second gear; 25. a motor; 26. a sixth driving member; 27. a positioning pin; 3. a cutting unit; 31. a cutting machine; 32. a heat flow gun; 33. a first mobile pair; 331. a first slide rail; 332. a first slider; 34. a second mobile pair; 341. a second slide rail; 342. a second slider; 35. a first driving member; 36. a second driving member; 37. a knife sharpener; 38. a bracket; 4. a clamp unit; 41. a second baffle; 42. a fourth driving member; 43. a fourth moving pair; 431. a fourth slider; 432. a fourth slide rail; 44. a third baffle; 5. a yarn sucking unit; 51. an air suction port; 6. a cylinder withdrawal unit; 61. a fifth driving member; 7. a cartridge detecting unit; 71. a sensor; 8. a third driving member; 9. an upper cylinder unit; 91. a ramp plate; 92. a sixth driving member; 93. a feeding push rod; 94. a sixth moving pair; 941. a sixth slider; 942. a sixth slide rail; 10. a yarn cylinder.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In the following description, for the purposes of explanation of various inventive embodiments, certain specific details are set forth in order to provide a thorough understanding of the various inventive embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with the present disclosure may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

Reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the terms first, second and the like in the description and in the claims, are used for descriptive purposes only and not for limiting the size or other order of the objects described.

As shown in fig. 1, a yarn cutting machine comprises a frame 1, and a rotating unit 2, a cutting unit 3, a clamp unit 4, a yarn sucking unit 5 and a yarn withdrawal unit 6 are arranged on the frame 1. Around the rotating unit 2, there are provided a cutting station at which the cutting unit 3, the yarn sucking unit 5 and the clamp unit 4 are located, and a withdrawal station at which the withdrawal unit 6 is located. The rotating unit 2 is used for placing the yarn cylinder, and the rotating unit 2 drives the yarn cylinder to rotate; when a certain yarn cylinder on the rotating unit 2 rotates to a cutting station, the clamp unit 4 limits and fixes the yarn cylinder at the station, the cutting unit 3 cuts the yarn on the clamped yarn cylinder, and the yarn sucking unit 5 is used for sucking the cut yarn; the yarn-cut yarn tube is rotated by the rotating unit 2 to the yarn-withdrawal station, and the yarn tube is separated from the rotating unit 2 by the yarn-withdrawal unit 6.

For convenience of description, the moving direction of the cutter unit 3 is regarded as a straight line direction a, and the feeding direction of the cutter 31 in the cutter unit 3 is regarded as a straight line direction B; when a certain yarn cylinder on the rotating unit 2 rotates to the cutting station, the axial direction of the yarn cylinder is parallel to the A straight line direction, and one radial direction of the yarn cylinder is parallel to the B straight line direction.

1. A rotation unit 2.

As shown in fig. 2, 3, 4 and 5, the rotating unit 2 includes a rotating plate 21, a plurality of sets of yarn tube holders 22 are provided on the rotating plate 21, and the plurality of sets of yarn tube holders 22 are circularly arranged around. As shown in fig. 4, the rotary plate 21 is annular, a bottom plate 228 is directly or indirectly provided on the frame 1, the bottom plate 228 is located at the center of the annular rotary plate 21, and the annular rotary plate 21 is rotatable around the bottom plate 228.

The power transmission mode between the motor 25 and the rotary plate 21 is gear engagement transmission, specifically: a first gear 23 is provided at the bottom of the rotary plate 21, the first gear 23 is meshed with a second gear 24, the second gear 24 is connected with a motor 25 in a linkage manner, and the rotary plate 21 is driven to rotate by the motor 25.

The power transmission between the motor 5 and the rotary plate 21 may be a pulley transmission (not shown), in which a first pulley is provided on the output shaft of the motor 5, a second pulley is provided on the bottom of the rotary plate 21, and a belt connects the first pulley and the second pulley.

As shown in fig. 2 and 5, a plurality of positioning holes 211 which are circularly surrounded are uniformly formed on the rotating plate 21, the number of the positioning holes 211 is identical to that of the yarn tube placing frames 22, a sixth driving piece 26 is arranged on a bottom plate 228 of the frame 1 and is connected with the positioning pin 27, and the sixth driving piece 26 drives the positioning pin 27 to pass through the bottom plate 228 and fall into a certain positioning hole 211 on the rotating plate 21. When the rotating plate 21 rotates by a certain angle and then stops, the sixth driving piece 26 drives the positioning pin 27 to fall into a certain positioning hole 211 on the rotating plate 21, at this time, the rotating plate 21 and the bottom plate 228 are connected through the positioning pin 27, the rotating plate 21 and the bottom plate 228 cannot rotate relatively, and when the gear drives the rotating plate 21 to rotate in place, and when a certain deviation occurs in angle, the rotating plate 21 can be further driven to rotate in place through the action that the positioning pin 27 falls into the positioning hole 211 of the rotating plate 21.

As shown in fig. 6 and 7, the yarn bobbin holder 22 includes a sleeve rod 221, a first baffle 222, a bracket 223, and a third moving pair 224, the third moving pair 224 is disposed along the B-line direction, the third moving pair 224 includes a third slide 2241 and a third slide 2242, the bracket 223 is mounted on the rotating plate 21, the third slide 2241 is connected with the bracket 223, the third slide 2241 is disposed along the B-line direction, the third slide 2242 is assembled with the third slide 2241, the first baffle 222 is connected with the third slide 2242, and one end of the sleeve rod 221 is connected with the first baffle 222. The sleeve rod 221 is used for sleeving a yarn cylinder, the splayed elastic piece 225 is arranged on the side surface of the sleeve rod 221, the elastic piece 225 is spread, the inner wall of the yarn cylinder is clamped, and the yarn cylinder does not shake. The yarn cylinder holder 22 is driven by the rotating plate 21 to rotate to the cutting station, and the third slider 2242 is driven by the third driving member 8 arranged at the cutting station of the frame 1 to move along the third sliding rail 2241 in the direction of the line B. The third slider 2242 is also connected with a spring 227, the direction of the elastic force of the spring 227 being parallel to the direction of the line B.

As shown in fig. 6, the third driving member 8 is configured to drive the third slider 2242 in the rotating unit 2 to move along the third slide 2241 in the direction of the line B, so that the yarn bobbin sleeved on the loop bar 221 approaches the cutting unit 3. The third driving member 8 is disposed on a bottom plate 228, the bottom plate 228 is disposed at the center of the circular rotary plate 21, the bottom plate 228 is directly or indirectly connected to the frame 1, and the circular rotary plate 21 is rotatable around the bottom plate 228.

The third driving member 8 may be an air cylinder, after the end of the push rod of the third driving member 8 contacts with the third slider 2242 at the initial position in the B-line direction, the third slider 2242 is pushed to move forward in the B-line direction, and the spring 227 stretches correspondingly in the B-line direction until the third slider 2242 is at the cutting point in the B-line direction, and then the subsequent cutting unit 3 cuts yarn; after the yarn is cut, the cylinder is retracted, and the third slider 2242 is pulled by the tension spring 227 to move back to the original position.

Further, in order to determine the initial position of the third slider 2242 on the third slide 2241 in the B-direction, a nut is provided on the bracket 223, and an adjusting bolt 229 is installed in the nut, and the adjusting bolt 229 is provided along the B-direction, and when the third slider 2242 contacts with the end of the adjusting bolt 229, the third slider 2242 is at the initial position, so that the position of the third slider 2242 in the B-direction can be adjusted by rotating the adjusting bolt 229.

2. And a cutting unit 3.

As shown in fig. 8 and 9, the cutting unit 3 includes a cutter 31, a heat gun 32, a first pair of movers 33, a second pair of movers 34, a first driver 35, and a second driver 36; the first moving pair 33 is disposed along the a-line direction, the first driving member 35 is connected to the first moving pair 33, the second moving pair 34 is disposed along the B-line direction, and the second driving member 36 is connected to the second moving pair 34. The cutting machine 31 and the heat flow gun 32 are arranged on a bracket 38, the bracket 38 is arranged on a second moving pair 34, the second moving pair 34 is arranged on a first moving pair 33, the first moving pair 33 is arranged on a truss, and the truss is connected with the frame 1.

The first sliding pair 33 includes a first sliding rail 331 and a corresponding first sliding block 332, and the first sliding rail 331 is disposed along the a-straight direction. The second sliding pair 34 includes a second sliding rail 341 and a corresponding second slider 342, and the second sliding rail 341 is disposed along the B-straight direction. The first drive member 35 is selected to be a timing belt. The second drive 36 is selected as a lead screw. The first sliding rail 331 is connected with the truss, the first sliding block 332 is fixedly connected with a certain section of area on the synchronous belt, the synchronous belt is sleeved on a belt wheel, and the belt wheel is connected with the motor in a linkage way; the second slide 341 is connected to the first slider 332, and the second slider 342 is connected to the screw. The cutter 31 and the heat gun 32 are connected to the second slider 342. The cutter 31 and the hot runner 32 can be driven to move in the direction of the line A by driving the synchronous belt. By rotating the screw, the positions of the cutter 31 and the heat gun 32 in the direction of line B are adjusted, and thus the feed depth of the cutter 31 and the gun nozzle position of the heat gun 32 can be adjusted accordingly.

The cutting machine 31 and the heat flow gun 32 are respectively connected with second moving pairs 34 of different groups, and at the moment, the positions of the heat flow gun 32 and the cutting machine 31 in the direction of the line B can be respectively adjusted; or the cutting machine 31 and the heat flow gun 32 are connected with a second moving pair 34 of the same group, and the positions of the heat flow gun 32 and the cutting machine 31 in the direction of the line B can be synchronously adjusted.

The cutting machine 31 is arranged in a straight line parallel to the a-straight line with the cutting machine 31 being provided with two sets and the heat flow gun 32 being provided with two sets, the heat flow gun 32 being located between the two sets of cutting machines 31. When the cutting unit 3 starts from the initial position and moves in the direction of line a, the cutter 31 cuts the yarn outside the yarn cylinder first, and the heat gun 32 cuts the yarn thereafter.

The cutting machine 31 is connected with the second slider 342 through a connecting plate, the cutting machine 31 is mounted on the connecting plate, and a knife sharpener 37 is further arranged on the connecting plate, so that the blade of the cutting machine 31 can be sharpened.

The cutting principle and the driving part of the cutting machine 31 are the prior art, and the hot melting principle and the driving part of the hot runner 32 are the prior art. The cutting unit 3 is used for cutting the yarn on the yarn packages at the cutting station. When the cutting unit 3 works, the cutting machine 31 rotates, the heat flow gun 32 heats, the cutting machine 31 and the heat flow gun 32 integrally move forward along the direction of the line A, the cutting machine 31 cuts most yarns on the yarn cylinder, and the heat flow gun 32 melts the residual yarns on the yarn cylinder; the whole of the cutter 31 and the hot-air gun 32 moves reversely along the direction of the line A, and the cutter 31 and the hot-air gun 32 cut the yarn which is not completely cut in the yarn cylinder again.

The cutter 31 is not fed too deeply to damage the yarn cylinder, so that the remaining yarn can be removed by the heat gun 32 after the cutter 31 is cut.

3. A clamp unit 4.

As shown in fig. 10, the clamp unit 4 is used for clamping and fixing the yarn bobbin at the cutting station, so as to facilitate cutting. The clamp unit 4 includes a second shutter 41 and a fourth driver 42. Wherein the second shutter 41 is connected to a fourth driving member 42, and the fourth driving member 42 pushes the second shutter 41 in the a-straight direction. When a certain yarn cylinder is driven by the rotating unit 2 to rotate to the cutting station, the axis of the sleeve rod 221 at the cutting station is in the direction of A straight line, at the moment, the first baffle plate 222 and the second baffle plate 41 are positioned at the two axial ends of the sleeve rod 221, and the fourth driving piece 42 pushes the first baffle plate 222, so that the two axial ends of the yarn cylinder are clamped and blocked by the first baffle plate 222 and the second baffle plate 41, and the limit of the yarn cylinder in the direction of A straight line is realized.

In order to adjust the position of the fourth driving member 42 in the a-straight direction, the fourth moving pair 43 is disposed along the a-straight direction, the fourth driving member 42 is mounted on the fourth moving pair 43, the fourth moving pair 43 includes a fourth slider 431 and a fourth slide rail 432, and the fourth slider 431 is connected to the fourth driving member 42.

As shown in fig. 1 and 10, the fixture unit 4 further includes a third baffle 44, the third baffle 44 is disposed in the B-line direction, and the third driving member 8 drives the third slider 2242 in the rotating unit 2 to move along the B-line direction until the third slider 2242 hits the third baffle 44, so that the third slider 2242 slides in the B-line direction to limit the yarn tube in the B-line direction when cutting is avoided.

The fourth driving member 42 described above may be selected as a cylinder.

4. And a yarn sucking unit 5.

As shown in fig. 1, the yarn sucking unit 5 is used for sucking the cut yarn, and includes a suction fan, and a suction inlet 51 of the suction fan is disposed at the cutting station.

5. And a cylinder withdrawal unit 6.

As shown in fig. 3 and 5, the yarn-withdrawal unit 6 includes a fifth driving member 61, where the fifth driving member 61 is fixed on the bottom plate 228, and when the rotating unit 2 drives the yarn-cut yarn tube to rotate to the yarn-withdrawal station, the fifth driving member 61 pushes one end of the yarn tube in the axial direction, and pushes the yarn tube out of the sleeve rod 221, so as to complete the yarn-withdrawal operation. The fifth driving member 61 may be selected as a cylinder.

6. And a cartridge unit 7.

As shown in fig. 1, on the basis of the above unit mechanism, the yarn cutting machine further includes a yarn detecting unit 7 for detecting whether a yarn tube is placed in the yarn tube placing frame 22 rotated to the cutting station, and if the yarn tube is detected to be placed, the clamp unit 4 and the cutting unit 3 operate; if it is detected that the yarn bobbin is not placed, the clamp unit 4 and the cutter unit 3 are not operated.

As shown in fig. 3, the cartridge unit 7 includes a sensor 71, where the sensor 71 may be a photoelectric sensor 71, and the sensor 71 is disposed on the frame 1, and the specific detection manner is as follows: since the length of the stem 221 is shorter than the length of the yarn bobbin, the yarn bobbin is sleeved on the stem 221, and a length of the bobbin is longer than the stem 221, and the sensor 71 detects the length of the bobbin.

7. An upper cylinder unit 9.

As shown in fig. 11 and 12, the yarn cutting machine further includes, on the basis of the above unit mechanism, an in-feed upper cylinder unit 9 for sheathing the yarn cylinders 10 one by one into a sleeve bar 221 on a yarn cylinder holder 22 of the rotating unit 2. Around the rotating unit 2, there is provided a loading station around which the loading unit 9 is located, the loading unit 9 being provided on the frame 1.

The upper cartridge unit 9 includes a ramp plate 91 and a sixth driver 92 at the lower end of the ramp plate 91; the sixth drive member 92 is driven in a direction parallel to the axial direction of the stem 221 on the yarn package holder 22 at the upper package station. The driving end of the sixth driving member 92 is connected with a feeding push rod 93, the feeding push rod 93 is connected with a sixth moving pair 94, and the moving direction of the sixth moving pair 94 is parallel to the moving direction of the sixth driving member 92; the sixth sliding pair 94 includes a sixth slider 941 and a sixth slide 942, the sixth slide 942 is connected to the frame 1, and the sixth slider 941 is connected to the feeding pushrod 93. Two parallel sixth sliding pairs 94 are separately disposed, so that the two corresponding sixth sliding rails 942 are kept parallel and separated, and at this time, the two sixth sliding rails 942 serve to guide the sixth slider 941 and limit the position of the yarn tube 10. The sixth driver 92 may alternatively be a pneumatic cylinder.

The upper cylinder unit 9 is used in the following process: the yarn packages 10 sliding down from the ramp plate 91 fall between the two sixth slide rails 942, and then the sixth driving member 92 drives the feeding push rod 93 to push the yarn packages 10 into the sleeve bars 221 on the corresponding placing frames 22 of the yarn packages 10, so as to complete feeding.

The working process of the yarn cutting machine is as follows:

starting the yarn cutting machine, rotating the rotating unit 2, placing the yarn barrels one by one in the sleeve rod 221 on the yarn barrel placing frame 22 of the rotating unit 2 by the upper barrel unit 9, sleeving the sleeve rod 221 and the elastic piece 225 into the yarn barrels, and limiting the rotation of the yarn barrels around the shaft; then the rotating plate 21 drives a certain yarn cylinder placing frame 22 to rotate to a cutting station, and the yarn cylinder detecting unit 7 detects that a yarn cylinder is placed in the yarn cylinder placing frame 22 at the cutting station, and then the clamp unit 4 is started; the clamp unit 4 limits the linear direction a (the axial direction of the yarn tube) and the linear direction B (the radial direction of the yarn tube); starting the cutting unit 3, feeding the cutter 31 in the linear direction B (radial direction of the yarn barrel), moving the cutter 31 in the linear direction A (axial direction of the yarn barrel), synchronously moving the heat flow gun 32 in the linear direction A (axial direction of the yarn barrel), cutting most of yarns wound on the yarn barrel by the cutter 31, fusing the rest yarns by the heat flow gun 32, and returning the cutting unit 3 to the original position in a reciprocating manner in the linear direction A; the yarn-cut yarn bobbin holder 22 is rotated by the rotating plate 21 to the bobbin-returning station, and the bobbin-returning unit 6 separates the yarn-cut yarn bobbin from the stem 221.

The description of the present utility model is not particularly limited, but is conventional in the art.

The foregoing is a preferred embodiment of the present utility model, and several other simple substitutions and modifications made under the circumstances of the inventive concept should be considered as falling within the scope of the present utility model.

Claims (12)

1. A yarn cutting machine, characterized in that: comprises a frame, wherein a rotating unit, a cutting unit, a clamp unit and a yarn sucking unit are arranged on the frame; a cutting station is arranged around the rotating unit, and the cutting unit, the yarn sucking unit and the clamp unit are positioned at the cutting station; the rotating unit comprises a rotating plate, and a plurality of groups of yarn cylinder placing frames are arranged on the rotating plate in a surrounding manner; the cutting unit comprises a cutting machine, a heat flow gun, a first moving pair and a second moving pair, wherein the cutting machine and the heat flow gun are connected with the second moving pair, the second moving pair is arranged along the feeding direction of the cutting machine, and the second moving pair is connected with the first moving pair.

2. A yarn cutting machine as in claim 1, wherein: the yarn cutting machine also comprises a cylinder withdrawing unit; a cylinder withdrawing station is arranged around the rotating unit, and the cylinder withdrawing unit is positioned at the cylinder withdrawing station; the cylinder withdrawing unit comprises a fifth driving piece.

3. A yarn cutting machine as in claim 2, wherein: the yarn cutting machine further comprises a yarn tube detecting unit arranged on the frame and used for detecting whether a yarn tube is placed in the yarn tube placing frame rotating to the cutting station.

4. A yarn cutting machine as claimed in claim 3, wherein: the yarn cutting machine also comprises an upper cylinder withdrawing unit; a cylinder loading station is arranged around the rotating unit, and the cylinder loading unit is positioned at the cylinder loading station; the upper cylinder unit comprises a sixth driving piece and a feeding push rod, which are connected.

5. A yarn cutting machine as in claim 1, 2, 3 or 4, wherein: the yarn cylinder placing frame comprises a loop bar, a first baffle, a bracket and a third movable pair; the third sliding pair setting direction is parallel with the second sliding pair setting direction, and the third sliding pair includes third slide rail, third slider, and support mounting is on the rotor plate, and third slide rail and leg joint, third slider and third slide rail assembly, first baffle are connected with the third slider, and the one end and the first baffle of loop bar are connected.

6. A yarn cutting machine as in claim 5 wherein: the nut is arranged on the bracket, the adjusting bolt is arranged in the nut, the axis of the adjusting bolt is consistent with the setting direction of the third sliding rail, and the end part of the adjusting bolt is used for determining the initial position of the third sliding block.

7. A yarn cutting machine as in claim 5 wherein: the bottom of rotor plate is provided with a gear, no. one gear and No. two gear engagement, no. two gears and motor linkage are connected.

8. A yarn cutting machine as in claim 1, 2, 3 or 4, wherein: the first moving pair comprises a first sliding rail and a corresponding first sliding block, and the second moving pair comprises a second sliding rail and a corresponding second sliding block; the cutting machine and the hot runner are connected with the second sliding block; the first driving piece is connected with the first sliding block, and the second driving piece is connected with the second sliding block.

9. A yarn cutting machine as in claim 8 wherein: the first driving piece is a synchronous belt, the first sliding rail is connected with the truss, the first sliding block is connected with the synchronous belt, the synchronous belt is sleeved on a belt wheel, and the belt wheel is connected with the motor in a linkage way; the second driving piece is a screw rod, the second sliding rail is connected with the first sliding block, and the second sliding block is connected with the screw rod.

10. A yarn cutting machine as in claim 1, 2, 3 or 4, wherein: the clamp unit comprises a second baffle and a fourth driving piece; the second baffle is connected with a fourth driving piece, and the setting direction of the fourth driving piece is parallel to the setting direction of the first moving pair.

11. A yarn cutting machine as in claim 5 wherein: the third moving pair is driven by a third driving piece arranged at the cutting station, and the arrangement direction of the third driving piece is parallel to the arrangement mode of the third moving pair.

12. A yarn cutting machine as in claim 4 wherein: the upper cylinder unit further comprises a ramp plate and a sixth moving pair, and the sixth moving pair comprises a sixth sliding rail and a sixth sliding block; the sixth driving piece is located ramp board low side department, and the drive end of sixth driving piece is connected with the material loading push rod, and the sixth slider is connected with the material loading push rod, and the sixth slide rail is connected with the frame.