Automatic drafting machine

Abstract

The utility model discloses an automatic drafting machine which comprises a bottom plate, a U-shaped frame, a warp beam, a drafting machine, a lifting assembly and a drying assembly, the U-shaped frame is fixedly installed on the top of the bottom plate, the lifting assembly is arranged on the U-shaped frame, the warp beam is arranged on the lifting assembly, the lifting assembly is used for controlling the warp beam to move up and down, the drafting machine is fixedly installed on the U-shaped frame, and the drying assembly is used for drying the drafting machine. The drying assembly is arranged on the U-shaped frame and used for drying the warp. The warp yarn drafting device is reasonable in design, can heat, dry and blow passing warp yarns, prevents the warp yarns from being bonded together due to moisture, facilitates drafting operation, drives the ventilation pipe to rotate under the combined action of the first motor, the main belt pulley, the auxiliary belt pulley and the belt, reduces friction between the warp yarns and the ventilation pipe, and improves drafting efficiency. According to the spinning device, the probability of static electricity generation is reduced, warp yarns can be tensioned after warp yarns are drafted, the warp yarns are prevented from being bonded and wound together, and the spinning quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heddle drawing-in machine equipment, in particular to an automatic heddle drawing-in machine. Background Art

[0002] Drawing in the heald is the process of passing the warp yarns through the heald eyelets and the reed tooth gaps one by one in a certain order. The operator first passes hundreds of sizing equal-length warp yarns through the healds one by one in order, and then holds the reed knife and passes it through hundreds of narrow slits on the reed in order, passing hundreds of yarns through the reed gaps one by one in order.

[0003] An automatic drawing-in machine is found in the Chinese patent announcement with the search announcement number CN216738764U, and its technical highlights are: it includes a weaving shaft, a rear beam, a frame and a drawing-in machine body, the weaving shaft is detachably connected to the frame, the rear beam is rotatably connected to the frame, the weaving shaft is wound with sizing warp yarn, an operation box is slidably arranged on the frame, a lifting assembly for driving the operation box to rise and fall is arranged between the operation box and the frame, the rear beam is rotatably connected to the operation box, and an adjusting mechanism for adjusting the height of the rear beam is arranged between the rear beam and the operation box.

[0004] In actual operation, it is found that the above scheme still has at least the following defects: the device is not provided with a component for drying the warp yarns, which easily causes the warp yarns to stick together due to moisture, affecting the warp yarns from being drawn in. Therefore, we propose an automatic drawing-in machine to solve the above problem. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an automatic heddle drawing-in machine, which solves the problem that the device has no component for drying the warp yarns, which easily causes the warp yarns to stick together due to moisture, thus affecting the drawing-in of the warp yarns.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic drawing-in machine, comprising a base plate, a U-shaped frame, a loom shaft, a drawing-in machine, a lifting assembly and a drying assembly, the U-shaped frame is fixedly mounted on the top of the base plate, the lifting assembly is arranged on the U-shaped frame, the loom shaft is arranged on the lifting assembly, the lifting assembly is used to control the loom shaft to move up and down, the drawing-in machine is fixedly mounted on the U-shaped frame, the drying assembly is arranged on the U-shaped frame, and the drying assembly is used to dry the warp yarn.

[0009] Preferably, the drying component includes two turntables, a ventilation duct, an exhaust fan, an air suction duct and an electric heating block. The two turntables are rotatably mounted on the front and rear inner walls of the U-shaped frame and are symmetrically distributed. The ventilation duct is rotatably mounted on the side where the two turntables are close to each other. The ventilation duct is provided with a plurality of air inlet holes distributed in a circular array. The exhaust fan is fixedly mounted on the front side of the U-shaped frame, the air suction duct is fixedly mounted on the suction end of the exhaust fan, one end of the air suction duct away from the exhaust fan extends into the ventilation duct and is rotatably connected to the corresponding turntable, and the electric heating block is fixedly mounted on the inner wall of the ventilation duct.

[0010] Preferably, the drying component also includes a first motor, a main pulley, a secondary pulley and a belt. The first motor is fixedly mounted on the rear inner wall of the U-shaped frame, the main pulley is fixedly sleeved on the output shaft end of the first motor, the secondary pulley is fixedly mounted on the ventilation duct, and the belt is wound around the main pulley and the secondary pulley.

[0011] Preferably, a temperature sensor is fixedly installed in the ventilation duct, a temperature display is fixedly installed on the front side of the U-shaped frame, and the temperature sensor is electrically connected to the temperature display.

[0012] Preferably, the lifting assembly includes two upper positioning plates, two lower positioning plates, two screw rods, two lifting blocks, two support plates, a support shaft, two sprockets, a chain and a second motor. The two upper positioning plates are fixedly mounted on the left side of the U-shaped frame and are symmetrically distributed, the two lower positioning plates are fixedly mounted on the left side of the U-shaped frame and are respectively located below the corresponding upper positioning plates, the two screw rods are rotatably mounted on the bottom of the two upper positioning plates, the bottom ends of the two screw rods are rotated to pass through the corresponding lower positioning plates, the two lifting blocks are respectively threaded on the two screw rods, the two support plates are respectively fixedly mounted on the sides of the two lifting blocks close to each other, the support shaft is rotatably mounted on the two support plates, the weaving shaft is fixedly sleeved on the support shaft, the two sprockets are respectively fixedly sleeved on the bottom ends of the two screw rods, the chain is wound around the two sprockets, the second motor is fixedly mounted on the top of the bottom plate, and the output shaft end of the second motor is fixedly connected to the bottom end of one of the screw rods.

[0013] Preferably, two symmetrically distributed guide grooves are provided on the left side of the U-shaped frame, guide blocks are slidably installed in the two guide grooves, and the two lifting blocks are fixedly connected to the two guide blocks respectively.

[0014] Preferably, a transverse plate is fixedly installed in the U-shaped frame, an electric push rod is fixedly installed at the bottom of the transverse plate, a support seat is fixedly installed on the output shaft end of the electric push rod, a rotating shaft is rotatably installed on the support seat, and a tensioning roller is fixedly installed on the rotating shaft.

[0015] Preferably, the tensioning roller is provided with a plurality of evenly distributed diamond-shaped protrusions.

[0016] (III) Beneficial effects

[0017] The utility model provides an automatic heddle drawing machine, which has the following beneficial effects:

[0018] (1) This automatic heddle drawing machine can heat, dry and blow the warp yarns passing through by utilizing the combined action of two turntables, a ventilation duct, an exhaust fan, an air suction duct and an electric heating block, thereby preventing the warp yarns from sticking together due to moisture and facilitating the heddle drawing operation. The ventilation duct is driven to rotate by utilizing the combined action of a first motor, a main pulley, a secondary pulley and a belt, thereby reducing the friction between the warp yarns and the ventilation duct and reducing the probability of static electricity generation.

[0019] (2) This automatic weaving machine can control the up and down movement of the weaving shaft by utilizing a lifting assembly composed of two upper positioning plates, two lower positioning plates, two screws, two lifting blocks, two support plates, a support shaft, two sprockets, a chain and a second motor, so as to facilitate the pulling of the warp yarn for weaving.

[0020] (3) This automatic drawing-in machine, by utilizing the combined action of a horizontal plate, an electric push rod, a support seat, a rotating shaft and a tensioning roller, can tension the warp yarns after drawing them in, thereby preventing the warp yarns from sticking together and entangled, thereby improving the quality of the spinning. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0023] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0024] Figure 4 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0025] In the figure: 1. bottom plate; 2. U-shaped frame; 3. weaving shaft; 4. drawing-in machine; 5. turntable; 6. ventilation pipe; 7. air inlet; 8. exhaust fan; 9. suction pipe; 10. electric heating block; 11. first motor; 12. main pulley; 13. secondary pulley; 14. belt; 15. temperature sensor; 16. temperature display; 17. upper positioning plate; 18. lower positioning plate; 19. screw; 20. lifting block; 21. support plate; 22. support shaft; 23. sprocket; 24. chain; 25. second motor; 26. guide groove; 27. guide block; 28. cross plate; 29. ​​electric push rod; 30. support seat; 31. rotating shaft; 32. tensioning roller. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-4 As shown, the utility model provides a technical solution: an automatic drawing-in machine, comprising a base plate 1, a U-shaped frame 2, a weaving shaft 3, a drawing-in machine 4, a lifting assembly and a drying assembly, the U-shaped frame 2 is fixedly mounted on the top of the base plate 1, the lifting assembly is arranged on the U-shaped frame 2, the weaving shaft 3 is arranged on the lifting assembly, the lifting assembly is used to control the weaving shaft 3 to move up and down, the drawing-in machine 4 is fixedly mounted on the U-shaped frame 2, the drying assembly is arranged on the U-shaped frame 2, and the drying assembly is used to dry the warp yarn.

[0028] In this embodiment, a horizontal plate 28 is fixedly installed in the above-mentioned U-shaped frame 2, an electric push rod 29 is fixedly installed at the bottom of the horizontal plate 28, a support seat 30 is fixedly installed on the output shaft end of the electric push rod 29, a rotating shaft 31 is rotatably installed on the support seat 30, a tensioning roller 32 is fixedly installed on the rotating shaft 31, and a plurality of evenly distributed diamond-shaped protrusions are provided on the tensioning roller 32. The diamond-shaped protrusions can separate the warp yarns to avoid adhesion and entanglement of the warp yarns.

[0029] In the present embodiment, the above-mentioned drying component includes two turntables 5, a ventilation pipe 6, an exhaust fan 8, an air suction pipe 9 and an electric heating block 10. The two turntables 5 are rotatably mounted on the inner walls of the front and rear sides of the U-shaped frame 2 and are symmetrically distributed. The ventilation pipe 6 is rotatably mounted on the side where the two turntables 5 are close to each other. A plurality of air inlet holes 7 distributed in a circular array are opened on the ventilation pipe 6. The exhaust fan 8 is fixedly mounted on the front side of the U-shaped frame 2. The air flow is used to dry the warp yarn by suction of the exhaust fan 8. The air suction pipe 9 is fixedly mounted on the suction end of the exhaust fan 8. The end of the air suction pipe 9 away from the exhaust fan 8 extends into the ventilation pipe 6 and is rotatably connected to the corresponding turntable 5. The electric heating block 10 is fixedly mounted on the inner wall of the ventilation pipe 6. The ventilation pipe 6 can be heated by the electric heating block 10, thereby drying and heating the warp yarn passing through. The drying component also includes a first motor 11, A main pulley 12, a secondary pulley 13 and a belt 14, and a first motor 11 are fixedly mounted on the rear inner wall of the U-shaped frame 2. It should be noted that the first motor 11 is a low-speed motor, and the main pulley 12 is fixedly sleeved on the output shaft end of the first motor 11, and the secondary pulley 13 is fixedly mounted on the ventilation pipe 6. The belt 14 is wound around the main pulley 12 and the secondary pulley 13. By utilizing the combined action of the main pulley 12, the secondary pulley 13 and the belt 14, the ventilation pipe 6 can be driven to rotate, reducing the friction between the warp yarn and the ventilation pipe 6, and reducing the probability of static electricity generation. A temperature sensor 15 is fixedly installed in the ventilation pipe 6, and a temperature display 16 is fixedly installed on the front side of the U-shaped frame 2. The temperature sensor 15 is electrically connected to the temperature display 16. By utilizing the temperature display 16, the real-time temperature of the ventilation pipe 6 can be conveniently connected, and the temperature can be adjusted.

[0030] In this embodiment, the lifting assembly includes two upper positioning plates 17, two lower positioning plates 18, two screw rods 19, two lifting blocks 20, two support plates 21, a support shaft 22, two sprocket wheels 23, a chain 24 and a second motor 25. The two upper positioning plates 17 are fixedly mounted on the left side of the U-shaped frame 2 and are symmetrically distributed. The two lower positioning plates 18 are fixedly mounted on the left side of the U-shaped frame 2 and are respectively located below the corresponding upper positioning plates 17. The two screw rods 19 are respectively rotatably mounted on the bottom of the two upper positioning plates 17. The bottom ends of the two screw rods 19 are rotated to penetrate the corresponding lower positioning plates 18. The two lifting blocks 20 are respectively threadedly mounted on the two screw rods 19. The two support plates 21 are respectively fixedly mounted on the side of the two lifting blocks 20 close to each other. The support The shaft 22 is rotatably mounted on the two support plates 21, the weaving shaft 3 is fixedly sleeved on the support shaft 22, the two sprockets 23 are respectively fixedly sleeved on the bottom ends of the two screws 19, the chain 24 is wound around the two sprockets 23, and the second motor 25 is fixedly mounted on the top of the base plate 1. It should be noted that the second motor 25 is a forward and reverse motor, and the output shaft end of the second motor 25 is fixedly connected to the bottom end of one of the screws 19. By utilizing the meshing rotation of the two sprockets 23 and the chain 24, the two screws 19 can be driven to rotate, thereby controlling the weaving shaft 3 to adjust up and down. Two symmetrically distributed guide grooves 26 are opened on the left side of the U-shaped frame 2, and guide blocks 27 are slidably installed in the two guide grooves 26, and the two lifting blocks 20 are fixedly connected to the two guide blocks 27 respectively.

[0031] In the present embodiment, it should be noted that a control switch is provided at a suitable position on the U-shaped frame 2 or beside the U-shaped frame 2, and the exhaust fan 8, the electric heating block 10, the first motor 11, the temperature sensor 15, the temperature display 16, the second motor 25, the electric push rod 29 and the control switch are electrically connected through wires, and the control switch can be used to control the exhaust fan 8, the electric heating block 10, the first motor 11, the temperature sensor 15, the temperature display 16, the second motor 25 and the electric push rod 29 to power on and operate respectively.

[0032] Through the above structure, the automatic weft drawing machine provided by the utility model can heat, dry and blow the warp yarns that have passed through, so as to prevent the warp yarns from sticking together due to moisture, and facilitate the weft drawing operation. The ventilation pipe 6 is driven to rotate by utilizing the joint action of the first motor 11, the main pulley 12, the auxiliary pulley 13 and the belt 14, so as to reduce the friction between the warp yarns and the ventilation pipe 6, and reduce the probability of static electricity generation. The warp yarns can also be tensioned after being drawn through the weft to prevent the warp yarns from sticking together and entangled, thereby improving the quality of the spinning. When used specifically, the second motor 25 is controlled to rotate forward, and the second motor 25 drives the corresponding screw 19 to rotate. Through the joint action of the two sprockets 23 and the chain 24, the two screws 19 can be controlled to rotate at the same speed and in the same direction at the same time, thereby controlling the weaving shaft 3 to move upward, so that the warp yarns are loose and not tight, and it is convenient to draw the warp yarns through the weft drawing operation. After the weft drawing is completed, the second motor 25 is controlled to reverse, and the weaving shaft 3 is controlled to move downward. The warp yarn is initially tightened, and the electric push rod 29 is controlled to extend. The electric push rod 29 pushes the tensioning roller 32 to move downward to tension the warp yarn, and the warp yarns are dispersed one by one through a plurality of diamond-shaped protrusions to avoid sticking together. The exhaust fan 8, the electric heating block 10, the first motor 11, the temperature sensor 15 and the temperature display 16 are controlled to operate. The electric heating block 10 heats the ventilation pipe 6, and the air flow drawn by the exhaust fan 8 blows the warp yarn when passing through the air inlet 7, thereby accelerating the drying efficiency of the warp yarn and effectively avoiding the warp yarn from sticking together due to moisture. The first motor 11 drives the main pulley 12 to rotate, and the ventilation pipe 6 is controlled to rotate by utilizing the combined action of the main pulley 12, the secondary pulley 13 and the belt 14, thereby effectively reducing the friction between the warp yarn and the ventilation pipe 6 and reducing the probability of static electricity generation. The real-time temperature of the ventilation pipe 6 is promptly paid attention to through the temperature display 16 to avoid excessive temperature of the ventilation pipe 6 and damage to the warp yarn.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope recorded in the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An automatic drawing-in machine, characterized in that: The invention comprises a bottom plate (1), a U-shaped frame (2), a weaving shaft (3), a drawing-in machine (4), a lifting assembly and a drying assembly, wherein the U-shaped frame (2) is fixedly mounted on the top of the bottom plate (1), the lifting assembly is arranged on the U-shaped frame (2), the weaving shaft (3) is arranged on the lifting assembly, the lifting assembly is used to control the weaving shaft (3) to move up and down, the drawing-in machine (4) is fixedly mounted on the U-shaped frame (2), the drying assembly is arranged on the U-shaped frame (2), and the drying assembly is used to dry the warp yarn; The drying assembly comprises two turntables (5), a ventilation pipe (6), an exhaust fan (8), an air suction pipe (9) and an electric heating block (10); the two turntables (5) are rotatably mounted on the inner walls of the front and rear sides of the U-shaped frame (2) and are symmetrically distributed; the ventilation pipe (6) is rotatably mounted on the side where the two turntables (5) are close to each other; a plurality of air inlet holes (7) distributed in a circular array are provided on the ventilation pipe (6); the exhaust fan (8) is fixedly mounted on the front side of the U-shaped frame (2); the air suction pipe (9) is fixedly mounted on the suction end of the exhaust fan (8); one end of the air suction pipe (9) away from the exhaust fan (8) extends into the ventilation pipe (6) and is rotatably connected to the corresponding turntable (5); and the electric heating block (10) is fixedly mounted on the inner wall of the ventilation pipe (6).

2. The automatic heald drawing machine according to claim 1, characterized in that: The drying component further comprises a first motor (11), a main pulley (12), a secondary pulley (13) and a belt (14); the first motor (11) is fixedly mounted on the rear inner wall of the U-shaped frame (2); the main pulley (12) is fixedly sleeved on the output shaft end of the first motor (11); the secondary pulley (13) is fixedly mounted on the ventilation pipe (6); and the belt (14) is wound around the main pulley (12) and the secondary pulley (13).

3. The automatic heald drawing machine according to claim 1, characterized in that: A temperature sensor (15) is fixedly installed in the ventilation pipe (6), and a temperature display (16) is fixedly installed on the front side of the U-shaped frame (2). The temperature sensor (15) is electrically connected to the temperature display (16).

4. The automatic heald drawing machine according to claim 1, characterized in that: The lifting assembly comprises two upper positioning plates (17), two lower positioning plates (18), two screw rods (19), two lifting blocks (20), two support plates (21), a support shaft (22), two sprocket wheels (23), a chain (24) and a second motor (25). The two upper positioning plates (17) are fixedly mounted on the left side of the U-shaped frame (2) and are symmetrically distributed. The two lower positioning plates (18) are fixedly mounted on the left side of the U-shaped frame (2) and are respectively located below the corresponding upper positioning plates (17). The two screw rods (19) are respectively rotatably mounted on the bottom of the two upper positioning plates (17). The bottom ends of the two screw rods (19) are rotatably penetrated through the corresponding lower positioning plates. The base plate (18) is provided with a plurality of lifting blocks (20) which are respectively threadedly mounted on the two screw rods (19); the two support plates (21) are respectively fixedly mounted on the sides of the two lifting blocks (20) which are close to each other; the support shaft (22) is rotatably mounted on the two support plates (21); the weaving shaft (3) is fixedly sleeved on the support shaft (22); the two sprocket wheels (23) are respectively fixedly sleeved on the bottom ends of the two screw rods (19); the chain (24) is wound around the two sprocket wheels (23); the second motor (25) is fixedly mounted on the top of the base plate (1); and the output shaft end of the second motor (25) is fixedly connected to the bottom end of one of the screw rods (19).

5. The automatic heald drawing machine according to claim 4, characterized in that: The left side of the U-shaped frame (2) is provided with two symmetrically distributed guide grooves (26), guide blocks (27) are slidably installed in the two guide grooves (26), and the two lifting blocks (20) are fixedly connected to the two guide blocks (27) respectively.

6. The automatic heald drawing machine according to claim 1, characterized in that: A transverse plate (28) is fixedly installed inside the U-shaped frame (2), an electric push rod (29) is fixedly installed at the bottom of the transverse plate (28), a support seat (30) is fixedly installed at the output shaft end of the electric push rod (29), a rotating shaft (31) is rotatably installed on the support seat (30), and a tensioning roller (32) is fixedly installed on the rotating shaft (31).

7. The automatic heald drawing machine according to claim 6, characterized in that: The tensioning roller (32) is provided with a plurality of evenly distributed rhombus-shaped protrusions.

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