CN221191094U - Automatic yarn cutting machine - Google Patents

Abstract

The utility model discloses an automatic yarn cutting machine, which comprises a base, a fixed plate arranged on the upper surface of the base, a tensioning mechanism arranged on the fixed plate, an unreeling mechanism arranged on the input end of the tensioning mechanism, and a cutting mechanism arranged on the output end of the tensioning mechanism, wherein the tensioning mechanism comprises tensioning brackets which are symmetrically arranged left and right, a first tensioning unit and a second tensioning unit are respectively arranged on the two tensioning brackets, the first tensioning unit and the second tensioning unit are the same in structure and comprise a tensioning cylinder and a moving block, the tensioning cylinder is positioned at the top of the tensioning brackets, a mounting groove is formed in the tensioning brackets, the moving block is positioned in the mounting groove, a cylinder shaft of the tensioning cylinder penetrates through the tensioning brackets and is fixedly connected with the moving block, the two moving blocks are connected through tensioning rollers, and a conveying roller is arranged below the tensioning rollers. The utility model is provided with the tensioning mechanism which comprises the tensioning roller, and the yarn can be tensioned through the tensioning roller, so that the length of the cut yarn is ensured to be neat and consistent.

Description

Automatic yarn cutting machine

Technical Field

The utility model relates to the technical field of yarn cutting, in particular to an automatic yarn cutting machine.

Background

Cotton yarn is yarn that cotton fiber processed through spinning technology, after removing impurity with cotton fiber, need use crimping machine to process, according to the principle of mechanical crimping, carry out the crimp deformation to the cotton fiber silk bundle of processing, can process into cotton sliver with the cotton fiber of group, then beat the roll of cotton sliver and collect, after collecting certain length with cotton sliver, need cut it, be convenient for subsequent processing.

In the prior art, the application number is: the chinese patent document of CN202123332071.6 discloses a two-for-one twister yarn breaking device, including crossing the line seat, the top fixed mounting who crosses the line seat has the pneumatic cylinder, the top that crosses the line seat is close to the equal fixed mounting in both sides of pneumatic cylinder has the air supply pipe, there is the clamp plate bottom of pneumatic cylinder through output shaft fixed mounting, the bottom fixed mounting of clamp plate has the cutting knife, the bottom of clamp plate is close to the equal fixed mounting in both sides of cutting knife has the flame spray nozzle, the bottom fixed mounting of flame spray nozzle has the flame gathering pipe, the bottom of clamp plate is kept away from the equal fixed mounting in both sides of cutting knife and is had a fixed cylinder.

As can be seen from the above, the existing two-for-one twisting machine yarn breaking device lacks the tensioning mechanism 3, cannot tension the yarn, and has ductility, so that the yarn is not cut neatly when being cut, and cannot be cut at one time. Accordingly, there is a need for an improved structure for an automatic yarn cutting machine that overcomes the above-described drawbacks.

Disclosure of utility model

The utility model aims to provide an automatic yarn cutting machine which is used for solving the problems that an existing two-for-one twister yarn breaking device lacks a tensioning mechanism, yarn cannot be tensioned, the yarn has ductility, and the cutting is not neat and cannot be completed at one time when the yarn is cut.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides an automatic cutting machine of yarn, its includes the base, sets up the fixed plate at the base upper surface, still including setting up the straining device on the fixed plate, setting up the unwinding mechanism on straining device input to and set up the cutting mechanism on straining device output, straining device includes the tensioning support that bilateral symmetry set up, two be equipped with the workstation between the tensioning support, two be equipped with first tensioning unit and second tensioning unit on the tensioning support respectively, the structure of first tensioning unit and second tensioning unit is the same all includes tensioning cylinder and movable block, tensioning cylinder is located the top of tensioning support, it has the mounting groove to open on the tensioning support, the movable block is located the mounting groove, tensioning cylinder's cylinder axle passes tensioning support and movable block fixed connection, two through tensioning roller connection between the movable block, can drive the movable block along the length direction of mounting groove through the tensioning cylinder, and then drive tensioning roller to take up tension, the below of tensioning roller is equipped with the conveying roller, the one end of conveying roller is through being connected with the tensioning roller of output shaft and tensioning support, driving of motor and conveying roller.

The utility model is further provided with: the driving motor adopts a stepping motor.

The utility model is further provided with: the utility model provides a cutting mechanism, including stand, mounting panel, cut seat, cut the cylinder, cut cutter, connecting plate and guide bar, two the stand symmetry sets up on the fixed plate, the bottom of stand is installed on the fixed plate, the top and the lower fixed surface of mounting panel of stand are connected, it is located between two stands to cut the seat, and the bottom of cutting the cylinder is fixed to be set up on the mounting panel, the cylinder axle of cutting the cylinder passes mounting panel and connecting plate fixed connection, the one end and the upper surface fixed connection of connecting plate of guide bar, the other end of guide bar passes the mounting panel and extends to outside, cut the cutter setting just above cutting the seat, be equipped with the portion of cutting on the lower surface of cutter, the upper surface fixed mounting of cutting the cutter is in the bottom of connecting plate, cut the upper surface of seat open have with cut portion assorted cutting groove.

The utility model is further provided with: unreeling mechanism includes unreel support, unreel axle and unreel the reel, one of them end fixed mounting of unreel support is on the lateral wall of tensioning support, unreel the axle and install on the one end that the tensioning support was kept away from to the unreel support, unreel the reel cover and establish on unreeling axle and can rotate around unreeling axle.

The utility model is further provided with: the guide rods are arranged in two and are used for limiting the movement of the connecting plate in the vertical direction.

The utility model is further provided with: two installing brackets are symmetrically arranged on the base, connecting shafts are arranged on the inner sides of the installing brackets, a discharging hopper is arranged between the connecting shafts and connected with the installing brackets through a rotating shaft, and one end of the discharging hopper is located below the cutting knife.

The utility model is further provided with: the tensioning support is further provided with a guide support, two ends of the guide support are respectively fixed on the tensioning support, and the guide support is provided with a plurality of through holes for yarns to pass through.

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

The tensioning mechanism comprises tensioning brackets which are arranged in a bilateral symmetry mode, a first tensioning unit and a second tensioning unit are respectively arranged on the two tensioning brackets, the first tensioning unit and the second tensioning unit are identical in structure and comprise tensioning cylinders and moving blocks, the tensioning cylinders are located at the tops of the tensioning brackets, mounting grooves are formed in the tensioning brackets, the moving blocks are located in the mounting grooves, cylinder shafts of the tensioning cylinders penetrate through the tensioning brackets and are fixedly connected with the moving blocks, the two moving blocks are connected through tensioning rollers, conveying rollers are arranged below the tensioning rollers, during use, the tensioning cylinders are started to drive the moving blocks to move along the mounting grooves, the tensioning rollers are driven to move to tension yarns, then the conveying rollers are started to rotate, the yarns are driven to move through cutting mechanisms, and the cutting mechanisms are started to cut yarns after being cut, so that the lengths of the cut yarns are tidy and consistent.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a front view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a side view of the present utility model.

Fig. 5 is a schematic structural view of the cutting mechanism of the present utility model.

Fig. 6 is a schematic structural view of the tensioning mechanism of the present utility model.

Number labels: base 1, fixed plate 2, tensioning mechanism 3, unreeling mechanism 4, cutting mechanism 5, tensioning support 6, workbench 7, tensioning cylinder 8, moving block 9, mounting groove 10, tensioning roller 11, conveying roller 12, driving motor 13, upright 14, mounting plate 15, cutting seat 16, cutting cylinder 17, cutting knife 18, connecting plate 19, guide rod 20, unreeling support 21, unreeling shaft 22, unreeling reel 23, mounting support 24, discharging hopper 25, guide support 26

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, the automatic yarn cutting machine provided by the utility model comprises a base 1, a fixed plate 2 arranged on the upper surface of the base 1, a tensioning mechanism 3 arranged on the fixed plate 2, an unreeling mechanism 4 arranged on the input end of the tensioning mechanism 3, and a cutting mechanism 5 arranged on the output end of the tensioning mechanism 3, wherein the tensioning mechanism 3 comprises tensioning brackets 6 which are arranged in bilateral symmetry, a workbench 7 is arranged between the two tensioning brackets 6, a first tensioning unit and a second tensioning unit are respectively arranged on the two tensioning brackets 6, the first tensioning unit and the second tensioning unit are structurally the same and comprise a tensioning cylinder 8 and a moving block 9, the tensioning cylinder 8 is positioned at the top of the tensioning brackets 6, a mounting groove 10 for accommodating the moving block 9 is formed in the tensioning brackets 6, a cylinder shaft of the tensioning cylinder 8 passes through the tensioning brackets 6 and is fixedly connected with the moving block 9, the moving block 9 can be driven by the tensioning cylinder 8 to move along the length direction of the mounting groove 10, the tensioning cylinder 11 is connected between the two moving blocks 9, a conveying roller 11 is arranged below the tensioning roller 11, a conveying roller 12 is arranged below the tensioning roller 12 and is driven by the tensioning cylinder 12, and then the yarn is cut by the driving motor 13, and the yarn is cut off by the driving motor 13 and the other end is enabled to move along the length direction of the mounting groove 10 after the tensioning roller is driven to be in order, and the length of the yarn is cut by the conveying roller is driven to move uniformly by the conveying roller 12.

In this embodiment, the cutting mechanism 5 includes upright posts 14, mounting plate 15, cutting seat 16, cutting cylinder 17, cutting knife 18, connecting plate 19 and guide bar 20, two upright posts 14 symmetry sets up on fixed plate 2, the bottom of upright post 14 is installed on fixed plate 2, the top and the lower surface fixed connection of mounting plate 15 of upright post 14, cutting seat 16 is located between two upright posts 14, the bottom fixed setting of cutting cylinder 17 is on mounting plate 15, the cylinder axle of cutting cylinder 17 passes mounting plate 15 and connecting plate 19 fixed connection, the one end and the upper surface fixed connection of connecting plate 19 of guide bar 20, the other end of guide bar 20 passes mounting plate 15 and extends to outside, cutting knife 18 sets up directly over cutting seat 16, be equipped with the cutting part on the lower surface of cutting knife 18, the upper surface fixed mounting of cutting knife 18 is in the bottom of connecting plate 19, the upper surface of cutting seat 16 opens and cuts the incision that matches with the cutting part, during the use, start cutting cylinder 17, drive connecting plate 19 and cutting knife 18 that sets up in the bottom of connecting plate 19 move downwards, cut into the cutting part, cut yarn.

In this embodiment, the driving motor 13 is optionally a stepper motor or a servo motor to provide better accuracy.

In this embodiment, the unreeling mechanism 4 comprises an unreeling support 21, an unreeling shaft 22 and an unreeling reel 23, one end of the unreeling support 21 is fixedly mounted on the outer side wall of the tensioning support 6, the unreeling shaft 22 is mounted on one end of the unreeling support 21 far away from the tensioning support 6, the unreeling reel 23 is sleeved on the unreeling shaft 22 and can rotate around the unreeling shaft 22, in use, yarns are wound on the unreeling reel 23, and one end of each yarn sequentially passes through the guiding support 26, the tensioning mechanism 3 and the cutting mechanism 5.

In the present embodiment, two guide bars 20 are provided, and the guide bars 20 are used to restrict the movement of the connection plate 19 in the vertical direction.

In this embodiment, two mounting brackets 24 are symmetrically arranged on the base 1, a connecting shaft is arranged on the inner side of each mounting bracket 24, a discharging hopper 25 is connected with each mounting bracket 24 through a rotating shaft, one end of each discharging hopper 25 is located below the corresponding cutting knife 18, and cut yarns fall into the corresponding discharging hopper 25 and slide from the corresponding discharging hopper 25.

In this embodiment, the tensioning bracket 6 is further provided with a guiding bracket 26, two ends of the guiding bracket 26 are respectively fixed on the tensioning bracket 6, and a plurality of through holes for the yarn to pass through are formed in the guiding bracket 26.

The application process and principle of the utility model are as follows: during the use, will need cut yarn one end setting on unreeling reel 23, the other end of yarn passes the through-hole on the guide support 26, pass conveying roller 12 and come to cut on the seat 16, start tensioning cylinder 8 afterwards, drive movable block 9 removes along mounting groove 10, and then drive tensioning roller 11 removes and take up tension to the yarn, then start driving motor 13, drive conveying roller 12 and rotate, drive the yarn and remove through cutting mechanism 5, start cutting cylinder 17, drive connecting plate 19 and the cutting knife 18 that sets up in the connecting plate 19 bottom remove downwards, the cutting part cuts into the cutting groove, cut yarn can fall into hopper 25, and slide from hopper 25.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an automatic cutting machine of yarn, its includes the base, sets up the fixed plate at the base upper surface, its characterized in that still includes the straining device who sets up on the fixed plate, sets up unreeling mechanism on straining device input to and set up the cutting mechanism on straining device output, straining device includes the tensioning support that bilateral symmetry set up, two be equipped with the workstation between the tensioning support, two be equipped with first tensioning unit and second tensioning unit on the tensioning support respectively, the structure of first tensioning unit and second tensioning unit is the same all includes tensioning cylinder and movable block, tensioning cylinder is located the top of tensioning support, it has the mounting groove to open on the tensioning support, the movable block is located the mounting groove, tensioning cylinder's cylinder axle passes tensioning support and movable block fixed connection, two through tensioning roller connection between the movable block, can drive the movable block along the length direction of mounting groove through tensioning cylinder and remove, and then drive the tensioning roller to the yarn tensioning, the below of tensioning roller is equipped with the conveying roller, the one end of conveying roller is through with the output shaft of tensioning roller connection, the other end and the driving roller of motor are connected.

2. The automatic yarn cutting machine as in claim 1, wherein said drive motor is a stepper motor.

3. The automatic yarn cutting machine according to claim 1, wherein the cutting mechanism comprises a column, a mounting plate, a cutting seat, a cutting cylinder, a cutting knife, a connecting plate and a guide rod, the two columns are symmetrically arranged on the fixing plate, the bottom ends of the columns are arranged on the fixing plate, the top ends of the columns are fixedly connected with the lower surface of the mounting plate, the cutting seat is arranged between the two columns, the bottom of the cutting cylinder is fixedly arranged on the mounting plate, a cylinder shaft of the cutting cylinder penetrates through the mounting plate and is fixedly connected with the connecting plate, one end of the guide rod is fixedly connected with the upper surface of the connecting plate, the other end of the guide rod penetrates through the mounting plate and extends to the outside, the cutting knife is arranged right above the cutting seat, a cutting part is arranged on the lower surface of the cutting knife, the upper surface of the cutting knife is fixedly arranged at the bottom of the connecting plate, and a cutting groove matched with the cutting part is formed in the upper surface of the cutting seat.

4. The automatic yarn cutting machine as in claim 1, wherein the unwinding mechanism comprises an unwinding bracket, an unwinding shaft and an unwinding reel, one end of the unwinding bracket is fixedly arranged on the outer side wall of the tensioning bracket, the unwinding shaft is arranged on one end of the unwinding bracket far away from the tensioning bracket, and the unwinding reel is sleeved on the unwinding shaft and can rotate around the unwinding shaft.

5. A yarn automatic cutting machine as in claim 3, wherein there are two guide bars for limiting movement of the web in the vertical direction.

6. The automatic yarn cutting machine according to claim 1, wherein two mounting brackets are symmetrically arranged on the base, connecting shafts are arranged on the inner sides of the mounting brackets, a discharging hopper is arranged between the connecting shafts and is connected with the mounting brackets through a rotating shaft, and one end of the discharging hopper is located below the cutting knife.

7. The automatic yarn cutting machine as in claim 1, wherein the tension bracket is further provided with a guide bracket, both ends of the guide bracket are respectively fixed on the tension bracket, and the guide bracket is provided with a plurality of through holes for the yarn to pass through.