CN216473781U

CN216473781U - Yarn guide device for warp knitting machine

Info

Publication number: CN216473781U
Application number: CN202122316472.6U
Authority: CN
Inventors: 王占洪; 徐敏平; 何凯; 赵红霞
Original assignee: Changzhou Runfengyuan Textile Machinery Manufacturing Co ltd
Current assignee: Changzhou Runfengyuan Textile Machinery Manufacturing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-10
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of warp knitting machines, in particular to a yarn guide device of a warp knitting machine, wherein the warp knitting machine comprises a spindle seat, groove needles, a groove needle frame, a beam, a traction mechanism, a jacquard guide bar and a ground guide bar, wherein the jacquard guide bar and the ground guide bar are respectively provided with a guide needle, the guide device comprises a guide rod, the guide rod is arranged between the guide needle and the traction mechanism and arranged along the length direction of the spindle seat, the yarn is guided by the guide needle and then is pulled by the traction mechanism, the guide rod is positioned above the yarn and is in contact with the yarn, the straight line where the connecting line of a needle hole of the guide needle and the inlet end of the traction mechanism is positioned is L, the guide rod is positioned below the straight line L, and the lowest point of the guide rod is positioned below a hook groove of the groove needle; the guide rod is positioned in front of the grooved needle and is not contacted with the grooved needle. The utility model adjusts the drawing angle of the drawing device to the yarn through the guide device, so that the grooved needle can weave the yarn, and the thread cutting technical fabric can be produced.

Description

Yarn guide device for warp knitting machine

Technical Field

The utility model relates to the technical field of warp knitting machines, in particular to a yarn guide device of a warp knitting machine.

Background

At present, the warp knitted fabric comprises a technical front side and a technical back side, wherein the technical front side is a circle column side, the technical back side is an extension line side, and a jacquard side with a multi-comb Raschel trimming lace is the technical back side. The floating lines are formed in the trimming line transverse row area by the pattern comb, and trimming line broken ends are left at the initial transverse row and the finishing transverse row of the floating lines after the floating lines are trimmed. When the floating line formed by the pattern comb is covered by the ground net and floats on the front surface of the process, the broken ends of the trimming line are positioned on the front surface of the process to form the trimming line on the front surface of the process; when the floating thread formed by the pattern comb is positioned on the back side of the process, the cut thread ends are formed on the front side of the jacquard, namely the cut thread on the back side of the process, and the cut thread on the front side of the process and the cut thread on the back side of the process can form cut thread laces with different styles.

Due to the limitation of the drawing mode of the existing tricot machine, when the trimming process fabric needs to be produced, the groove needle cannot weave the yarn due to the drawing angle of the yarn by the drawing device, and the machine cannot produce the trimming process fabric.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the technical problem that a tricot machine in the prior art cannot produce the trimming process fabric, the utility model provides the yarn guide device of the tricot machine.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a yarn guiding device of a warp knitting machine comprises a main shaft seat, groove needles, a groove needle frame, a cross beam and a traction mechanism; the guide device comprises a guide rod, the guide rod is arranged between the guide needle and the traction mechanism, the guide rod is arranged along the length direction of the spindle seat, the yarn is guided by the guide needle and then is pulled by the traction mechanism, the guide rod is positioned above the yarn and is in contact with the yarn, a straight line where a connecting line of a needle hole of the guide needle and a wire inlet end of the traction mechanism is positioned is L, the guide rod is positioned below the straight line L, and the lowest point of the guide rod is positioned below a hook groove of the grooved needle; the guide rod is positioned in front of the grooved needle and is not in contact with the grooved needle.

The yarn drawing mechanism is characterized by further comprising an adjusting mechanism, wherein the adjusting mechanism is arranged on the main shaft seat and connected with the guide rod so as to adjust the vertical position of the yarn between the yarn guide needle and the drawing mechanism.

Furthermore, the adjusting mechanism is a horizontal movement mechanism, the horizontal movement mechanism comprises an air cylinder, the air cylinder is horizontally arranged, a piston rod of the air cylinder moves horizontally, and the piston rod of the air cylinder is connected with the guide rod. When the horizontal movement mechanism drives the guide rod to move in the horizontal direction, the front and back positions of the guide rod can be adjusted, and when the guide rod moves backwards, yarns between the guide rod and the yarn guide needles swing backwards by taking needle holes of the yarn guide needles as circle centers, so that the positions of the yarns are adjusted downwards.

Further, the cylinder is provided with a plurality ofly, and is a plurality of the cylinder is evenly arranged along the length direction of guide bar and is set up. The cylinders are arranged to be multiple, so that the guide rods can be supported, and meanwhile, the guide rods are driven to move by the cylinders simultaneously, so that the stability of the guide rods is enhanced.

Furthermore, the adjusting mechanism is a vertical movement mechanism, the vertical movement mechanism comprises an air cylinder, the air cylinder is vertically arranged, a piston rod of the air cylinder vertically moves, and the piston rod of the air cylinder is connected with the guide rod. The vertical movement mechanism drives the guide rod to move up and down, so that the upper position and the lower position of the guide rod are convenient to adjust, and the upper position and the lower position of yarn between the guide rod and the yarn guide needle can be adjusted by adjusting the upper position and the lower position of the guide rod, so that the grooved needle can better weave the yarn.

Further, the cylinder is provided with a plurality ofly, and is a plurality of the cylinder is evenly arranged along the length direction of guide bar and is set up.

Furthermore, the side surface of the side, which is in contact with the yarn, of the guide rod is a smooth curved surface, and the surface of the side surface is smooth. The friction between the yarns and the guide rods can be reduced, so that the yarns are protected, and the edges and corners on the guide rods can be prevented from damaging the yarns by the smooth curved surfaces.

Further, the guide bar is a cylindrical bar, and the circumferential side surface of the guide bar is smooth.

Further, an assembly groove for assembling the jacquard guide bar is formed in the guide bar rocking frame, the assembly groove is formed in the side face of the guide bar rocking frame, the assembly groove is formed in the length direction of the cross beam, an insertion part matched with the assembly groove is formed in the jacquard guide bar, a part of the insertion part is inserted into the assembly groove so as to position the jacquard guide bar, and the jacquard guide bar is detachably and fixedly connected with the guide bar rocking frame;

the lower end of the assembling groove comprises a first groove surface and a second groove surface, an included angle between the first groove surface and the second groove surface is a, the range of the a is larger than 0 degree and smaller than 90 degrees, a hook-shaped plate is arranged on the inserting part and comprises a straight plate and a bending plate, the angle between the straight plate and the bending plate is the same as the angle a, and two side surfaces of the bending plate are respectively attached to the first groove surface and the second groove surface.

The jacquard guide bar is convenient to mount and position through the matching of the assembling groove and the inserting part, so that the mounting error is reduced, and the jacquard guide bar is more accurate in position mounting. Through the cooperation of hook-like board and assembly groove, conveniently carry out fore-and-aft direction and upper and lower direction spacing to the merchant card sley to the convenience is installed the merchant card sley.

Furthermore, a pressing block is arranged on the guide bar cradle, the pressing block is abutted against the side face, away from the bottom face of the assembling groove, of the insertion part so as to press the insertion part tightly, and the pressing block is detachably and fixedly connected with the guide bar cradle;

one end, far away from the hook-shaped plate, of the plug-in part is provided with a first limiting surface, the pressing block is provided with a second limiting surface, and the second limiting surface is attached to the first limiting surface to limit the plug-in part.

The utility model has the beneficial effects that by arranging the guide rod, when the tricot machine produces the trimming technical fabric, the guide rod adjusts the traction angle of the traction mechanism, so that when the yarn slides from the lower end of the guide rod, the yarn can be hooked by the hook groove of the grooved needle, and can be knitted to produce the trimming technical fabric, the function of the tricot machine is increased, the tricot machine has the function of producing the trimming technical fabric, the utilization rate of equipment is improved, and the cost is saved;

the adjusting mechanism can adjust the upper position and the lower position or the left position and the right position of the guide rod, so that the tension of the yarn pulled by the traction mechanism can be adjusted, the upper position and the lower position of the yarn between the guide rod and the yarn guide needle can also be adjusted, and the grooved needle can be used for better knitting the yarn.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic configuration diagram of a yarn guide device of a warp knitting machine in embodiment 1 of the present invention.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a schematic configuration diagram of a yarn guide device of a warp knitting machine in embodiment 2 of the present invention.

Fig. 5 is an enlarged view at C in fig. 4.

In the figure: 1. a main shaft seat; 2. a groove needle; 3. a needle core; 4. a sinker; 5. a cross beam; 6. a jacquard guide bar; 7. a ground guide bar; 8. a pulling mechanism; 9. a slotted needle frame; 10. a stylet holder; 11. a sinker holder; 12. a guide bar pendulum shaft; 13. a guide bar cradle; 14. a yarn guide needle; 15. a guide bar; 16. an adjustment mechanism; 17. a yarn; 18. assembling a groove; 19. a plug-in part; 20. a first groove surface; 21. a second groove surface; 22. a hook plate; 23. a straight plate; 24. a bending plate; 25. a compression block; 26. a first limiting surface; 27. a second limiting surface.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 3, which are the preferred embodiments of the present invention, a yarn guiding device of a warp knitting machine, the warp knitting machine includes a spindle base 1, a grooved needle 2, a needle core 3 and a sinker 4, a beam 5, a jacquard guide bar 6, a ground guide bar 7 and a pulling mechanism 8, the spindle base 1 is provided with a grooved needle frame 9, a needle core support 10 and a sinker support 11; the grooved needle 2 is arranged on the grooved needle frame 9, the needle core 3 is arranged on the needle core support 10, and the needle core 3 is matched with the grooved needle 2; the sinker 4 is provided on a sinker holder 11, and the drawing mechanism 8 is a drawing mechanism commonly used for a general tricot machine.

The crossbeam 5 is positioned above the spindle seat 1, a guide bar swing shaft 12 is arranged on the crossbeam 5, and a guide bar cradle 13 is arranged on the guide bar swing shaft 12; the jacquard guide bar 6 and the ground guide bar 7 are both arranged on the guide bar cradle 13, the jacquard guide bar 6 and the ground guide bar 7 are both positioned above the spindle seat 1, and the jacquard guide bar 6 and the ground guide bar 7 are both provided with guide needles 14.

The guiding device comprises a guiding rod 15 and an adjusting mechanism 16, the guiding rod 15 is arranged between a yarn guide needle 14 and a traction mechanism 8, the guiding rod 15 is arranged along the length direction of the spindle seat 1, a yarn 17 is guided by the yarn guide needle 14 and then is pulled by the traction mechanism 8, the guiding rod 15 is positioned above the yarn 17 and is in contact with the yarn 17, a straight line where a connecting line of a needle hole of the yarn guide needle 14 and a wire inlet end of the traction mechanism 8 is located is L, the guiding rod 15 is positioned below the straight line L, and the lowest point of the guiding rod 15 is positioned below a hook groove of the grooved needle 2; the guide bar 15 is located in front of the slot needle 2 without contacting the slot needle 2.

An adjusting mechanism 16 is mounted on the spindle stock 1, and the adjusting mechanism 16 is connected with the guide rod 15 to adjust the up-and-down position of the yarn 17 between the yarn guide needle 14 and the drawing mechanism 8. The adjusting mechanism 16 is a horizontal moving mechanism, the horizontal moving mechanism includes a cylinder, the cylinder is horizontally arranged, a piston rod of the cylinder moves horizontally, and the piston rod of the cylinder is connected with the guide rod 15. When the horizontal movement mechanism drives the guide rod 15 to move in the horizontal direction, the front and back positions of the guide rod 15 can be adjusted, and when the guide rod 15 moves backwards, the yarn 17 between the guide rod 15 and the yarn guide needle 14 swings backwards by taking the needle hole of the yarn guide needle 14 as a circle center, so that the position of the yarn 17 is adjusted downwards. The cylinder is provided with a plurality ofly, and a plurality of cylinders evenly arrange the setting along the length direction of guide bar 15. The cylinders are arranged to support the guide rod 15, and simultaneously, the cylinders drive the guide rod 15 to move simultaneously, so that the stability of the movement of the guide rod 15 is enhanced.

The side surface of the guide bar 15 contacting the yarn 17 is smoothly curved and has a smooth surface. The friction force between the yarn 17 and the guide rod 15 can be reduced, so that the yarn 17 is protected, and the smooth curved surface can prevent edges and corners on the guide rod 15 from damaging the yarn 17. The guide rod 15 is a cylindrical rod, and the circumferential side surface of the guide rod 15 is smooth.

An assembly groove 18 for assembling a jacquard guide bar 6 is formed in the guide bar rocking frame 13, the assembly groove 18 is formed in the side face of the guide bar rocking frame 13, the assembly groove 18 is arranged along the length direction of the cross beam 5, an insertion part 19 matched with the assembly groove 18 is arranged on the jacquard guide bar 6, a part of the insertion part 19 is inserted into the assembly groove 18 so as to position the jacquard guide bar 6, and the jacquard guide bar 6 is detachably and fixedly connected with the guide bar rocking frame 13;

the lower end of the assembling groove 18 comprises a first groove surface 20 and a second groove surface 21, the included angle between the first groove surface 20 and the second groove surface 21 is a, the range of the a is more than 0 degree and less than 90 degrees, the inserting part 19 is provided with a hook-shaped plate 22, the hook-shaped plate 22 comprises a straight plate 23 and a bending plate 24, the included angle between the straight plate 23 and the bending plate 24 is the same as the angle a, and two side surfaces of the bending plate 24 are respectively attached to the first groove surface 20 and the second groove surface 21.

The jacquard guide bar 6 is conveniently installed and positioned through the matching of the assembling groove 18 and the inserting part 19, so that the installation error is reduced, and the position installation of the jacquard guide bar 6 is more accurate. Through the cooperation of hook-shaped board 22 with assembly groove 18, conveniently carry out fore-and-aft direction and upper and lower direction spacing to merchant card sley 6 to conveniently install merchant card sley 6.

Be provided with compact heap 25 on sley bar cradle 13, compact heap 25 and plug-in components 19 keep away from the side inconsistent in order to compress tightly plug-in components 19 of assembly groove 18 bottom surface, and fixed connection can be dismantled with sley bar cradle 13 to compact tightly plug-in components 19 through setting up compact heap 25 convenience to conveniently fix merchant card sley bar 6 on sley bar cradle 13. One end of the inserting part 19, which is far away from the hook-shaped plate 22, is provided with a first limiting surface 26, the pressing block 25 is provided with a second limiting surface 27, and the second limiting surface 27 is attached to the first limiting surface 26 to limit the inserting part 19.

The utility model has the beneficial effects that by arranging the guide rod 15, when the tricot machine produces the trimming technical fabric, the guide rod 15 adjusts the traction angle of the traction mechanism 8, so that when the yarn 17 slides from the lower end of the guide rod 15, the yarn 17 can be hooked by the hook groove of the grooved needle 2, and can be knitted to produce the trimming technical fabric, the function of the tricot machine is increased, the tricot machine has the function of producing the trimming technical fabric, the utilization rate of equipment is improved, and the cost is saved;

the adjusting mechanism 16 can adjust the up-down position or the left-right position of the guide rod 15, so as to adjust the tension of the yarn 17 pulled by the pulling mechanism 8, and can also adjust the up-down position of the yarn 17 between the guide rod 15 and the yarn guide needle 14, so as to facilitate the grooved needle 2 to better weave the yarn 17.

Example 2

As shown in fig. 4 and 5, the difference from embodiment 1 is that the adjusting mechanism 16 is a vertical movement mechanism, the vertical movement mechanism includes a plurality of cylinders, the cylinders are vertically arranged, piston rods of the cylinders vertically move, the piston rods of the cylinders are connected to the guide rods 15, and the cylinders are uniformly arranged along the length direction of the guide rods 15.

The vertical movement mechanism drives the guide rod 15 to move up and down, so that the up-and-down position of the guide rod 15 can be adjusted conveniently, and the up-and-down position of the yarn 17 between the guide rod 15 and the yarn guide needle 14 can be adjusted by adjusting the up-and-down position of the guide rod 15, so that the grooved needle 2 can better weave the yarn 17.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined by the scope of the claims.

Claims

1. A yarn guiding device of a warp knitting machine comprises a spindle seat (1), a groove needle (2), a groove needle frame (9), a cross beam (5) and a traction mechanism (8); groove needle frame (9) set up on spindle drum (1), groove needle (2) set up on groove needle frame (9), be provided with sley bar pendulum shaft (12) on crossbeam (5), install sley bar cradle (13) on sley bar pendulum shaft (12), be provided with merchant card sley bar (6) and ground sley bar (7) on sley bar cradle (13), all be provided with guide needle (14), its characterized in that on merchant card sley bar (6) and ground sley bar (7): the guiding device comprises a guiding rod (15), the guiding rod (15) is arranged between the yarn guide needle (14) and the drawing mechanism (8), the guiding rod (15) is arranged along the length direction of the spindle seat (1), the yarn (17) is drawn by the drawing mechanism (8) after being guided by the yarn guide needle (14), the guiding rod (15) is positioned above the yarn (17) and is in contact with the yarn (17), a straight line where a connecting line of a needle hole of the yarn guide needle (14) and a line inlet end of the drawing mechanism (8) is located is a straight line L, the guiding rod (15) is positioned below the straight line L, and the lowest point of the guiding rod (15) is positioned below a hook groove of the grooved needle (2); the guide rod (15) is positioned in front of the grooved needle (2) and is not in contact with the grooved needle (2).

2. The yarn guide device of a warp knitting machine according to claim 1, wherein: the yarn guide device is characterized by further comprising an adjusting mechanism (16), wherein the adjusting mechanism (16) is installed on the spindle seat (1), and the adjusting mechanism (16) is connected with the guide rod (15) so as to adjust the up-and-down position of a yarn (17) between the yarn guide needle (14) and the drawing mechanism (8).

3. The yarn guide device of a warp knitting machine according to claim 2, wherein: the adjusting mechanism (16) is a horizontal movement mechanism, the horizontal movement mechanism comprises an air cylinder, the air cylinder is horizontally arranged, a piston rod of the air cylinder moves horizontally, and the piston rod of the air cylinder is connected with the guide rod (15).

4. The yarn guide device of a warp knitting machine according to claim 3, wherein: the cylinder is provided with a plurality ofly, a plurality ofly the cylinder is evenly arranged along the length direction of guide bar (15) and is set up.

5. The yarn guide device of a warp knitting machine according to claim 2, wherein: the adjusting mechanism (16) is a vertical movement mechanism, the vertical movement mechanism comprises an air cylinder, the air cylinder is vertically arranged, a piston rod of the air cylinder vertically moves, and the piston rod of the air cylinder is connected with the guide rod (15).

6. The yarn guide device of a warp knitting machine according to claim 5, wherein: the cylinder is provided with a plurality ofly, a plurality ofly the cylinder is evenly arranged along the length direction of guide bar (15) and is set up.

7. The yarn guide device of a warp knitting machine according to claim 1, wherein: the side surface of one side of the guide rod (15) contacted with the yarn (17) is a smooth curved surface and the surface is smooth.

8. The yarn guide device of a warp knitting machine according to claim 7, wherein: the guide rod (15) is a cylindrical rod, and the circumferential side surface of the guide rod (15) is smooth.

9. The yarn guide device of a warp knitting machine according to claim 1, wherein: an assembly groove (18) for assembling the jacquard guide bar (6) is formed in the guide bar rocking frame (13), the assembly groove (18) is formed in the side face of the guide bar rocking frame (13), the assembly groove (18) is formed in the length direction of the cross beam (5), an insertion part (19) matched with the assembly groove (18) is formed in the jacquard guide bar (6), one part of the insertion part (19) is inserted into the assembly groove (18) so as to position the jacquard guide bar (6), and the jacquard guide bar (6) is detachably and fixedly connected with the guide bar rocking frame (13);

the lower end of the assembling groove (18) comprises a first groove surface (20) and a second groove surface (21), an included angle a between the first groove surface (20) and the second groove surface (21), the range of the a is larger than 0 degree and smaller than 90 degrees, a hook-shaped plate (22) is arranged on the inserting part (19), the hook-shaped plate (22) comprises a straight plate (23) and a bending plate (24), the angle between the straight plate (23) and the bending plate (24) is the same as the angle a, and two side surfaces of the bending plate (24) are respectively attached to the first groove surface (20) and the second groove surface (21).

10. The yarn guide device of a warp knitting machine according to claim 9, wherein: a pressing block (25) is arranged on the guide bar rocking frame (13), the pressing block (25) is abutted against the side face, far away from the bottom face of the assembling groove (18), of the insertion part (19) so as to press the insertion part (19), and the pressing block (25) is detachably and fixedly connected with the guide bar rocking frame (13);

one end, far away from the hook-shaped plate (22), of the insertion part (19) is provided with a first limiting surface (26), the pressing block (25) is provided with a second limiting surface (27), and the second limiting surface (27) is attached to the first limiting surface (26) to limit the insertion part (19).