Yarn trimming device of knitting machine
By designing a yarn-cutting device consisting of a rotating roller, guide rod, moving plate, and cutting blade, the problem of yarn ejection and entanglement was solved, achieving stable yarn cutting and cleaning effects and ensuring the normal operation of the knitting machine.
Patent Information
- Application Number
- CN202520091968.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing yarn-cutting devices on knitting machines have the problem that when the yarn is cut, the yarn pops out instantly, causing tangling and affecting the normal operation of the knitting machine.
A yarn cutting device was designed, comprising a rotating roller, a guide rod, a moving plate, a cutting blade, and a pressure plate. The moving plate is driven to press down by an electric telescopic rod, and the pressure plate and the elastic telescopic rod are used to press the yarn firmly against the worktable surface to prevent the yarn from popping out. At the same time, a soft brush and a spring are used to clean the yarn ends, improving the cleaning effect.
It effectively avoids yarn and component entanglement, improves the stability of yarn cutting and cleaning effect, and ensures the normal operation of the knitting machine.
Smart Images
Figure CN223907079U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of knitting machine, specifically a kind of knitting machine thread trimming device. BACKGROUND
[0002] Knitting machine: the machine of "knitted fabric" is woven, 1589 year British pastor William Lee invented first hand knitting machine, 19th century 70s with the invention of motor, hand knitting machine is replaced by high-speed running electric knitting machine, the classification of knitting machine has according to process category: weft knitting machine, warp knitting machine, according to needle bed number: single needle bed knitting machine, double needle bed knitting machine, according to needle bed form: flat knitting machine, circular knitting machine.
[0003] In prior art, when the existing knitting machine thread trimming device is trimming, since yarn is in taut state when knitting machine works, when yarn is cut, the yarn at both ends will be ejected to all around instantaneously, not only yarn is easily entangled mutually, but also it can be entangled on the parts of knitting machine, thereby affecting the normal operation of knitting machine, for this reason, the utility model provides a kind of knitting machine thread trimming device. UTILITY MODEL CONTENT
[0004] In order to make up for the deficiency of prior art, solve the problem that, in prior art, when the existing knitting machine thread trimming device is trimming, since yarn is in taut state when knitting machine works, when yarn is cut, the yarn at both ends will be ejected to all around instantaneously, not only yarn is easily entangled mutually, but also it can be entangled on the parts of knitting machine, thereby affecting the normal operation of knitting machine, the utility model proposes a kind of knitting machine thread trimming device.
[0005] The utility model solves technical scheme that it adopts: a kind of knitting machine thread trimming device described in the utility model, including bottom plate, the both sides of bottom plate top wall are stably connected with a pair of first support plate;Two pairs of first support plate side wall are rotatably connected with rotating roller between;The both sides of bottom plate top wall are stably connected with second support plate;A pair of second support plate side wall is stably connected with workbench between;The top wall of a pair of second support plate is stably connected with guide rod;A pair of guide rod top wall is equipped with fixed plate, and fixed plate bottom wall is stably connected with guide rod top wall;A pair of guide rod outer circular wall is slidably connected with moving plate, and moving plate is located just below fixed plate;The bottom wall of moving plate is stably connected with cutting knife;The both sides of moving plate bottom wall are equipped with pressing plate, and the top wall of two pressing plates is stably connected with moving plate top wall by a pair of elastic telescopic rod.
[0006] Preferably, the outer circular wall of a pair of rotating rollers is uniformly stably connected with several pairs of circular baffle;The top wall of workbench is equipped with rectangular through slot, and rectangular through slot is located just below cutting knife.
[0007] Preferably, the workbench top wall is uniformly provided with a group of semicircular grooves, and the semicircular grooves are located correspondingly to the circular baffle; the bottom wall of the pair of pressing plates is fixedly connected with a group of arc-shaped rubber blocks, and the arc-shaped rubber blocks are located correspondingly to the semicircular grooves.
[0008] Preferably, the two side walls of the rectangular through groove are provided with soft brushes, and the soft brushes are connected with the side walls of the rectangular through groove through elastic components.
[0009] Preferably, the elastic component comprises a sliding groove, and the two sides of the pair of rectangular through grooves are provided with the sliding grooves, and the inner side walls of the sliding grooves are slidably connected with the soft brushes; the inner walls of the pair of sliding grooves are fixedly connected with a group of springs, and the other ends of the springs are fixedly connected with the side walls of the soft brushes.
[0010] Preferably, the top wall of the bottom plate is fixedly connected with a collecting box, and the collecting box is located directly below the rectangular through groove.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1. The utility model relates to a thread cutting device of a knitting machine, yarn is guided to the workbench surface through two pairs of rotating rollers, the electric telescopic rod is controlled to drive the moving plate to move downwards, the moving plate moves downwards along the guide rod to make the moving plate press downwards more stably, the cutting knife on the bottom wall of the moving plate cuts the yarn on the workbench surface, the pressing plate on the two sides of the bottom wall of the moving plate is used, the elastic telescopic rod is used to make the pressing plate press the yarn on the workbench surface before the cutting knife contacts the yarn, so that the yarn at both ends is still pressed on the workbench surface when cutting, the situation that the yarn at both ends is instantaneously bounced to all directions when the yarn is cut when the yarn is in the taut state during the operation of the knitting machine is avoided, the yarn is easily entangled with each other, and the yarn can be entangled on the parts of the knitting machine to affect the normal operation of the knitting machine.
[0013] 2. The utility model relates to a thread cutting device of a knitting machine, when the cutting knife is driven to move upwards through the electric telescopic rod, the soft brush on the two side walls of the rectangular through groove is used to clean the thread ends and impurities adhered to the two side surfaces of the cutting knife, the spring in the two sliding grooves is used, the spring generates elastic force to make the soft brush closely adhere to the surface of the cutting knife, so that the cleaning effect is better, and the practicability is further improved. ACCURATE DRAWINGS
[0014] The utility model will be further described below in combination with the drawings.
[0015] Figure 1 It is the perspective view of the utility model;
[0016] Figure 2 It is the local schematic view of the utility model;
[0017] Figure 3 is a partial sectional view in the utility model;
[0018] Figure 4 is Figure 3 the local enlarged view of A in the utility model.
[0019] In the figure: 1, bottom plate; 2, first support plate; 3, rotating roller; 4, second support plate; 5, workbench; 6, guide rod; 7, fixed plate; 8, moving plate; 9, electric telescopic rod; 10, cutting knife; 11, pressing plate; 12, circular baffle; 13, rectangular through slot; 14, semicircular groove; 15, arc-shaped rubber block; 16, soft brush; 17, sliding groove; 18, spring; 19, collection box. DETAILED DESCRIPTION
[0020] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] As Figures 1 to 4 shown, the utility model discloses a knitting machine thread trimming device, including bottom plate 1, one pair of first support plate 2 is fixedly connected to the both sides of the top wall of bottom plate 1;Rotating roller 3 is rotatably connected between the side wall of two pairs of first support plate 2;Second support plate 4 is fixedly connected to the both sides of the top wall of bottom plate 1;Workbench 5 is fixedly connected between the side wall of one pair of second support plate 4;Guide rod 6 is fixedly connected to the top wall of one pair of second support plate 4;Fixed plate 7 is equipped on the top wall of one pair of guide rod 6, and the bottom wall of fixed plate 7 is fixedly connected with the top wall of guide rod 6;Moving plate 8 is slidably connected to the outer circular wall of one pair of guide rod 6, and moving plate 8 is located directly below fixed plate 7;Electric telescopic rod 9 is fixedly connected to the bottom wall of fixed plate 7, and the bottom end of electric telescopic rod 9 is fixedly connected with the top wall of moving plate 8;Cutting knife 10 is fixedly connected to the bottom wall of moving plate 8;Pressing plate 11 is equipped on the both sides of the bottom wall of moving plate 8, and the top wall of two pressing plates 11 is fixedly connected with the top wall of moving plate 8 through a pair of elastic telescopic rods;When working, yarn is guided to the surface of workbench 5 through two rotating rollers 3, electric telescopic rod 9 is controlled, and electric telescopic rod 9 drives moving plate 8 to move downwards, moving plate 8 moves downwards along guide rod 6 to make moving plate 8 press downwards more stably, the yarn on the surface of workbench 5 is cut off by cutting knife on the bottom wall of moving plate 8, the yarn on the surface of workbench 5 is pressed tightly by pressing plate 11 on the both sides of the bottom wall of moving plate 8 before cutting knife contacts the yarn through the elastic force of elastic telescopic rod, so that the yarn at both ends is still pressed tightly on the surface of workbench 5 when cutting, which avoids the situation that the yarn at both ends is instantaneously bounced to all directions when the yarn is cut off due to the fact that the yarn is in a taut state when the knitting machine works, which not only easily leads to the mutual entanglement of yarn, but also may entangle the parts of knitting machine to affect the normal operation of knitting machine.
[0022] A pair of said outer wall of the roller 3 is uniformly connected with a plurality of pairs of circular baffle 12, the top wall of the workbench 5 is provided with a rectangular through slot 13, and the rectangular through slot 13 is located directly below the cutting knife 10; during operation, by placing a plurality of yarns between a plurality of pairs of circular baffle 12, the direct mutual entanglement of different yarns is further avoided; through the rectangular through slot 13 opened on the top wall of the workbench 5, the collision between the cutting knife 10 and the top wall of the workbench 5 is avoided, so as to affect the service life of the cutting knife 10.
[0023] The top wall of the workbench 5 is uniformly provided with a group of semicircular grooves 14, and the position of the semicircular groove 14 corresponds to the position of the circular baffle 12; a pair of said bottom wall of the pressing plate 11 is uniformly connected with a group of arc-shaped rubber blocks 15, and the position of the arc-shaped rubber block 15 corresponds to the position of the semicircular groove 14; during operation, by uniformly opening a group of semicircular grooves 14 on the top wall of the workbench 5, and the position of the semicircular groove 14 corresponds to the position of the circular baffle 12, the mutual entanglement of the yarns during cutting is further avoided, and by connecting a group of arc-shaped rubber blocks 15 on the bottom wall of the pressing plate 11, and the position of the arc-shaped rubber block 15 corresponds to the position of the semicircular groove 14, when the moving plate 8 moves downward, the bottom of the arc-shaped rubber block 15 tightly presses the yarn on the surface of the semicircular groove 14, so that the pressing effect is better.
[0024] The both side walls of the rectangular through slot 13 are provided with soft brushes 16, and the soft brushes 16 are connected with the side walls of the rectangular through slot 13 through elastic components; during operation, when the cutting knife 10 is moved upward by the electric telescopic rod 9, the soft brushes 16 on the both side walls of the rectangular through slot 13 clean the thread ends and other impurities adhered to the both side surfaces of the cutting knife 10, further improving the practicability.
[0025] The elastic component includes a sliding groove 17, a pair of said rectangular through slot 13 is provided with a sliding groove 17 on both sides, and the inner side wall of the sliding groove 17 is slidably connected with a soft brush 16; a pair of said sliding groove 17 inner wall is uniformly connected with a group of springs 18, and the other end of the spring 18 is connected with the side wall of the soft brush 16; during operation, the elastic force of the spring 18 in the two sliding grooves 17 makes the soft brush 16 tightly adhere to the surface of the cutting knife 10, so that the cleaning effect is better, and the practicability is further improved.
[0026] The top wall of the bottom plate 1 is connected with a collecting box 19, and the collecting box 19 is located directly below the rectangular through slot 13; during operation, the top wall of the bottom plate 1 is connected with a collecting box 19, and the collecting box 19 is located directly below the rectangular through slot 13, which is convenient for collecting the thread ends and other impurities falling off, and is convenient for centralized treatment.
[0027] Working principle: through two pairs of rotating roller 3, the yarn is guided to the surface of the workbench 5, through the control of electric telescopic rod 9, electric telescopic rod 9 drives the moving plate 8 to move down, through the moving plate 8 along the guide rod 6 to move down and make the moving plate 8 press down more stably, through the cutting knife of the bottom wall of the moving plate 8, the yarn on the surface of the workbench 5 is cut off, through the pressing plate 11 on both sides of the bottom wall of the moving plate 8, through the elastic force of the elastic telescopic rod, the pressing plate 11 makes the yarn be pressed on the surface of the workbench 5 before the cutting knife contacts the yarn, so that the yarn at both ends is still pressed on the surface of the workbench 5 when cutting, which can avoid the situation that the yarn is instantaneously ejected to the surrounding when the yarn is cut off due to the tension of the yarn during the operation of the knitting machine, which can easily lead to the mutual entanglement of the yarn, and the yarn may be entangled on the parts of the knitting machine, thereby affecting the normal operation of the knitting machine; by placing a plurality of yarns between a plurality of pairs of circular baffles 12, the direct mutual entanglement of different yarns is further avoided; by the rectangular through slot 13 opened on the top wall of the workbench 5, the collision between the cutting knife 10 and the top wall of the workbench 5 is avoided, thereby affecting the service life of the cutting knife 10; by a group of semicircular grooves 14 evenly provided on the top wall of the workbench 5, and the positions of the semicircular grooves 14 correspond to the positions of the circular baffles 12, the mutual entanglement of the yarns during cutting is further avoided, by a group of arc-shaped rubber blocks 15 fixed on the bottom wall of the pressing plate 11, and the positions of the arc-shaped rubber blocks 15 correspond to the positions of the semicircular grooves 14, when the moving plate 8 moves down, the bottom of the arc-shaped rubber block 15 presses the yarn on the surface of the semicircular groove 14, so that the pressing effect is better; when the cutting knife 10 is driven upward by the electric telescopic rod 9, the soft brush 16 on both sides of the rectangular through slot 13 cleans the adhered thread ends and other impurities on the surface of the cutting knife 10, the spring 18 in the inner wall of the two sliding grooves 17 generates elastic force to make the soft brush 16 adhere to the surface of the cutting knife 10, thereby the cleaning effect is better, and the practicability is further improved; the collecting box 19 is fixed on the top wall of the bottom plate 1, and the collecting box 19 is located directly below the rectangular through slot 13, which facilitates the collection of the thread ends and other impurities brushed off, and facilitates centralized treatment.
[0028] The above front, back, left, right, up and down are based on the drawings of the specification Figure 1 As the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like.
[0029] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the utility model.
[0030] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A thread trimming device for a knitting machine, characterized in that, The utility model relates to a cutting device for cutting machine, including bottom plate (1), one pair of first support plate (2) are fixed to both sides of the top wall of bottom plate (1), two pairs of first support plate (2) are rotatably connected between the side wall, the top wall of both sides of bottom plate (1) is fixed with second support plate (4), a pair of second support plate (4) side wall is fixed with work table (5), a pair of second support plate (4) top wall is fixed with guide rod (6), a pair of guide rod (6) top wall is equipped with fixed plate (7), and fixed plate (7) bottom wall is fixed with guide rod (6) top wall, a pair of guide rod (6) outer circular wall is slidably connected with moving plate (8), and moving plate (8) is located in the right below fixed plate (7), the bottom wall of fixed plate (7) is fixed with electric telescopic rod (9), and the bottom end of electric telescopic rod (9) is fixed with moving plate (8) top wall, the bottom wall of moving plate (8) is fixed with cutting knife (10), the bottom wall of moving plate (8) both sides is equipped with pressing plate (11), and the top wall of two pressing plates (11) is fixed with moving plate (8) top wall through a pair of elastic telescopic rod, A pair of the outer circular wall of roller (3) is uniformly fixed with a plurality of pairs of circular baffle (12), the top wall of work table (5) is equipped with rectangular through slot (13), and rectangular through slot (13) is located in the right below cutting knife (10), The top wall of work table (5) is uniformly equipped with a group of semicircular grooves (14), and the position of semicircular groove (14) corresponds with the position of circular baffle (12), a pair of the bottom wall of pressing plate (11) is fixed with a group of arc rubber blocks (15), and the position of arc rubber block (15) corresponds with semicircular groove (14).
2. A thread-trimming device for a knitting machine according to claim 1, characterized in that, The both sides of rectangular through slot (13) are equipped with soft brush (16), and soft brush (16) is connected with the side wall of rectangular through slot (13) through elastic component.
3. A thread-trimming device for a knitting machine according to claim 2, characterized in that, The elastic component includes sliding groove (17), a pair of the both sides of rectangular through slot (13) are equipped with sliding groove (17), and the inner side wall of sliding groove (17) is slidably connected with soft brush (16), a pair of the inner wall of sliding groove (17) is fixed with a group of springs (18), and the other end of spring (18) is fixed with the side wall of soft brush (16).
4. A thread-trimming device for a knitting machine according to claim 3, characterized in that, The top wall of bottom plate (1) is fixed with collecting box (19), and collecting box (19) is located in the right below rectangular through slot (13).