Cloth stretching machine

Abstract

The utility model relates to the technical field of cloth stretching machines, and discloses a cloth stretching machine which comprises a base, a supporting table and two supporting frames, the supporting frames are fixedly installed at the top end of the base, a first motor, a second motor and a third motor are fixedly installed at the top end of the base, a fifth lead screw is fixedly installed at the output end of the third motor, and a second lead screw is fixedly installed at the output end of the fifth lead screw. The bottom end of the supporting table is fixedly provided with a threaded sleeve, and the threaded sleeve is arranged on the outer wall of the fifth lead screw in a threaded sleeving mode. According to the cloth tightening machine, cloth tightening is completed through motor control, high-precision and stable control can be achieved through motor control, accurate positioning and stable conveying of cloth in the cloth tightening process are ensured, and therefore the efficiency of the whole cloth tightening and printing process is improved; the labor intensity of operators is reduced, the operation convenience and the production efficiency are improved, the four edges of the cloth are fixed through the clamping plates, damage generated when the cloth is tightened can be reduced, and the utilization rate of the cloth is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of cloth stretching machines, in particular to a cloth stretching machine. Background Technique

[0002] A cloth stretching machine is a device used to stretch and fix the cloth, usually used for stretching fabrics, textiles or embroideries; the cloth stretching machine is widely used in the textile industry and embroidery processing, and can effectively stretch the fabric or cloth flat for subsequent production processing or decorative treatment;

[0003] When the existing cloth stretching machine tightens the cloth, most of them use manual control to realize the straightening and tightening of the cloth in the front and back, left and right, and up and down directions, resulting in low efficiency, large labor intensity of personnel, and inconvenience for personnel to operate. For this reason, we propose a cloth stretching machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cloth stretching machine, which solves the problems in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A cloth stretching machine, including a base, a support table and a support frame, the support frame is fixedly installed at the top of the base, the number of the support frames is two, a first motor, a second motor and a third motor are fixedly installed at the top of the base, a fifth lead screw is fixedly installed at the output end of the third motor, a threaded sleeve is fixedly installed at the bottom end of the support table, the threaded sleeve is threadedly sleeved on the outer wall of the fifth lead screw, a limiting column is fixedly installed at the bottom end of the support table, the limiting column movably penetrates through the support frame, fixed frames one are arranged on both sides of the support table, fixed frames one are fixedly installed on the front and back sides of the inner sides of the two support frames, a first bidirectional lead screw is rotatably connected to the inner wall of the fixed frame one, a first slider and a second slider are fixedly installed at the bottom ends of the two fixed frames one, the two first sliders are threadedly sleeved on the outer wall of the first bidirectional lead screw, a first short rotating shaft is fixedly installed at the output end of the first motor, a first sprocket transmission assembly is connected between the first short rotating shaft and the first bidirectional lead screw, a second bidirectional lead screw is rotatably connected to the inner wall of the other fixed frame one, the two second sliders are threadedly sleeved on the outer wall of the second bidirectional lead screw, and a second sprocket transmission assembly is connected between the first bidirectional lead screw and the second bidirectional lead screw;

[0006] A fixing frame 2 is provided at the front and rear of the support platform, and a fixing frame 2 is fixedly installed on opposite sides of the two support frames, and a bidirectional screw rod 3 is rotatably connected to the inner wall of the fixing frame 2, and a slider 3 and a slider 4 are fixedly installed at the bottom ends of the two fixing frames 2, and the two sliders 3 are threadedly sleeved on the outer wall of the bidirectional screw rod 3, and a short rotating shaft 2 is fixedly installed at the output end of the motor 2, and a sprocket transmission assembly 3 is connected between the short rotating shaft 2 and the bidirectional screw rod 3, and a bidirectional screw rod 4 is rotatably connected to the inner wall of the other fixing frame 2, and the two sliders 4 are threadedly sleeved on the outer wall of the bidirectional screw rod 4, and a sprocket transmission assembly 4 is connected between the bidirectional screw rod 3 and the bidirectional screw rod 4;

[0007] The sprocket transmission assembly 1, sprocket transmission assembly 2, sprocket transmission assembly 3 and sprocket transmission assembly 4 all include a driving sprocket, a chain and a driven sprocket, and the driving sprocket is connected to the driven sprocket through the chain.

[0008] Preferably, the number of the limiting columns is four. By providing the limiting columns, a limiting effect can be exerted on the support platform, thereby improving the stability of the support platform during lifting and lowering.

[0009] Preferably, the outer sides of the two fixing frames 1 and 2 are provided with plate holes, a U-shaped connecting plate movably passes through the plate hole, and the insides of the two fixing frames 1 and 2 are provided with clamping plates, and the clamping plates are fixedly connected to both ends of the U-shaped connecting plate. The outer sides of the two fixing frames 1 and 2 are rotatably connected with threaded rods, and the threaded rods are threadedly connected to the threaded holes provided on the U-shaped connecting plate. A rotating plate is fixedly installed at one end of the threaded rod, and a tooth groove is provided on the inner side of the clamping plate.

[0010] Preferably, there are several tooth grooves. By providing the tooth grooves, the friction between the clamping plate and the cloth can be increased, thereby improving the stability of fixing the cloth.

[0011] Preferably, the number of plate holes on the two fixing frames 1 and 2 is two, and the U-shaped connecting plate is adapted to the plate holes. By setting the plate holes, the U-shaped connecting plate can be limited.

[0012] Preferably, grooves are provided on all four sides of the support platform, the inner wall of the groove is rotatably connected with a long rotating shaft, and the outer wall of the long rotating shaft is fixedly sleeved with a supporting roller.

[0013] The utility model provides a cloth stretching machine. The cloth stretching machine has the following beneficial effects:

[0014] (1)The cloth stretching machine controls the stretching of the fabric through a motor. The motor control can achieve high-precision and stable control, ensuring the accurate positioning and stable transmission of the fabric during the stretching process, thereby improving the efficiency of the entire cloth stretching and printing processes, reducing the labor intensity of the operators, enhancing the simplicity of operation and production efficiency, and fixing the four sides of the fabric through clamping plates, which can reduce the damage to the fabric during stretching and improve the utilization rate of the fabric.

[0015] (2)The cloth stretching machine can reduce the friction between the fabric and the support table by setting grooves, long rotating shafts and support rollers, reduce the wear of the fabric during the stretching process, play a certain protective role for the fabric, and has a simple structure and strong practicability. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the front sectional structure of the present utility model;

[0018] Figure 3 is a schematic diagram of the side sectional structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the rear sectional structure of the present utility model;

[0020] Figure 5 is a schematic diagram of the sprocket transmission component structure of the present utility model;

[0021] Figure 6 is the present utility model Figure 2 is an enlarged schematic diagram of part A in the present utility model;

[0022] Figure 7 is the present utility model Figure 2 is an enlarged schematic diagram of part B in the present utility model;

[0023] Figure 8 is the present utility model Figure 3 is an enlarged schematic diagram of part C in the present utility model.

[0024] In the figure: 1, base; 2, support platform; 3, first fixed frame; 4, first slider; 5, first fixed bracket; 6, first bidirectional lead screw; 7, first short rotating shaft; 8, support frame; 9, first sprocket drive assembly; 10, second slider; 11, first motor; 12, second bidirectional lead screw; 13, second sprocket drive assembly; 14, second fixed frame; 15, third slider; 16, second fixed bracket; 17, second motor; 18, second short rotating shaft; 19, third sprocket drive assembly; 20, third bidirectional lead screw; 21, fourth sprocket drive assembly; 22, fourth bidirectional lead screw; 23, fourth slider; 24, third motor; 25, fifth lead screw; 26, threaded sleeve; 27, limit post; 28, support roller; 29, groove; 30, long rotating shaft; 31, U-shaped connecting plate; 32, plate hole; 33, clamping plate; 34, tooth groove; 35, threaded rod; 36, rotating plate; 37, driven sprocket; 38, chain; 39, driving sprocket. Specific embodiments

[0025] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] In the description of the present utility model, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Embodiment 1:

[0028] The preferred embodiment of the cloth stretching machine provided by the present utility model is as Figures 1 to 8As shown: A cloth stretching machine, including a base 1, a support platform 2 and a support frame 8. The support frame 8 is fixedly installed at the top of the base 1. The number of support frames 8 is two. At the top of the base 1, a first motor 11, a second motor 17 and a third motor 24 are fixedly installed. At the output end of the third motor 24, a fifth lead screw 25 is fixedly installed. At the bottom end of the support platform 2, a threaded sleeve 26 is fixedly installed. The threaded sleeve 26 is arranged on the outer wall of the fifth lead screw 25. At the bottom end of the support platform 2, a limit post 27 is fixedly installed. The limit post 27 movably penetrates through the support frame 8. On both sides of the support platform 2, a first fixed frame 3 is provided. On the front and back of the inner sides of the two support frames 8, a first fixed bracket 5 is fixedly installed. Inside the inner wall of the first fixed bracket 5, a first bidirectional lead screw 6 is rotatably connected. At the bottom ends of the two first fixed frames 3, a first slider 4 and a second slider 10 are fixedly installed. The two first sliders 4 are arranged on the outer wall of the first bidirectional lead screw 6. At the output end of the first motor 11, a first short rotating shaft 7 is fixedly installed. Between the first short rotating shaft 7 and the first bidirectional lead screw 6, a first chain drive assembly 9 is connected. Inside the inner wall of the other first fixed bracket 5, a second bidirectional lead screw 12 is rotatably connected. The two second sliders 10 are arranged on the outer wall of the second bidirectional lead screw 12. Between the first bidirectional lead screw 6 and the second bidirectional lead screw 12, a second chain drive assembly 13 is connected;

[0029] In front of and behind the support platform 2, a second fixed frame 14 is provided. On the opposite sides of the two support frames 8, a second fixed bracket 16 is fixedly installed. Inside the inner wall of the second fixed bracket 16, a third bidirectional lead screw 20 is rotatably connected. At the bottom ends of the two second fixed frames 14, a third slider 15 and a fourth slider 23 are fixedly installed. The two third sliders 15 are arranged on the outer wall of the third bidirectional lead screw 20. At the output end of the second motor 17, a second short rotating shaft 18 is fixedly installed. Between the second short rotating shaft 18 and the third bidirectional lead screw 20, a third chain drive assembly 19 is connected. Inside the inner wall of the other second fixed bracket 16, a fourth bidirectional lead screw 22 is rotatably connected. The two fourth sliders 23 are arranged on the outer wall of the fourth bidirectional lead screw 22. Between the third bidirectional lead screw 20 and the fourth bidirectional lead screw 22, a fourth chain drive assembly 21 is connected;

[0030] The first chain drive assembly 9, the second chain drive assembly 13, the third chain drive assembly 19 and the fourth chain drive assembly 21 all include a driving sprocket 39, a chain 38 and a driven sprocket 37. The driving sprocket 39 is drivingly connected to the driven sprocket 37 through the chain 38.

[0031] Specifically in the above technical solution, the first motor 11 starts the second motor 17 and the third motor 24. The first motor 11 drives the first short rotating shaft 7 to rotate. The first short rotating shaft 7 drives the first bidirectional lead screw 6 to rotate through the first sprocket transmission assembly 9. The first bidirectional lead screw 6 drives the second bidirectional lead screw to rotate through the second sprocket transmission assembly 13. The first bidirectional lead screw 6 and the second bidirectional lead screw 12 drive the two first sliders 4 and the two second sliders 10 thereon to move away from each other respectively. The two first sliders 4 and the second sliders 10 drive the two first fixed frames 3 connected thereto to move to both sides respectively, so as to tighten the fabric to both sides. The second motor 17 drives the second short rotating shaft 18 to rotate. The second short rotating shaft 18 drives the third bidirectional lead screw 20 to rotate through the third sprocket transmission assembly 19. The third bidirectional lead screw 20 drives the fourth bidirectional lead screw 22 to rotate through the fourth sprocket transmission assembly 21. The third bidirectional lead screw 20 and the fourth bidirectional lead screw 22 drive the two third sliders 15 and the two fourth sliders 23 thereon to move away from each other respectively. The two third sliders 15 and the fourth sliders 23 drive the two second fixed frames 14 connected thereto to move forward and backward respectively, so as to tighten the fabric forward and backward. The third motor 24 drives the fifth lead screw 25 to rotate. The fifth lead screw 25 drives the threaded sleeve 26 to move upward. The threaded sleeve 26 drives the support table 2 to move upward, so as to tighten the fabric upward. Through the above structure, the machine can complete the tensioning of the fabric through motor control. The motor control can achieve high-precision and stable control, ensure the accurate positioning and stable transmission of the fabric during the fabric tensioning process, thereby improving the efficiency of the entire fabric tensioning and printing process, reducing the labor intensity of the operator, and improving the simplicity and production efficiency of the operation.

[0032] Further, the number of the limit posts 27 is four;

[0033] Among them, by arranging the limit posts 27, the support table 2 can be limited, and the stability of the support table 2 during lifting can be improved.

[0034] Further, plate holes 32 are formed in the outer sides of the two first fixed frames 3 and the second fixed frames 14. A U-shaped connecting plate 31 penetrates through the plate holes 32 movably. Clamping plates 33 are arranged inside the two first fixed frames 3 and the second fixed frames 14. The clamping plates 33 are fixedly connected to both ends of the U-shaped connecting plate 31. Threaded rods 35 are rotatably connected to the outer sides of the two first fixed frames 3 and the second fixed frames 14. The threaded rods 35 are in threaded connection with the threaded holes formed in the U-shaped connecting plate 31. A rotating plate 36 is fixedly installed at one end of the threaded rod 35. Tooth grooves 34 are formed in the inner sides of the clamping plates 33;

[0035] Among them, the fabric is placed on the support table 2, and then the four sides of the fabric are respectively inserted into the two fixing frames one 3 and the two fixing frames two 14. The rotating plate 36 is rotated, the rotating plate 36 drives the threaded rod 35 to rotate, the threaded rod 35 drives the U-shaped connecting plate 31 to move inward, and the U-shaped connecting plate 31 drives the clamping plate 33 to clamp the fabric, completing the fixing of the fabric. By using the clamping plate 33 to fix the four sides of the fabric, the damage caused to the fabric during tensioning can be reduced, and the utilization rate of the fabric can be improved.

[0036] Further, the number of the tooth grooves 34 is several;

[0037] Among them, by setting the tooth grooves 34, the friction between the clamping plate 33 and the fabric can be increased, and the stability of fixing the fabric can be improved.

[0038] Further, the number of the upper plate holes 32 on both the two fixing frames one 3 and the fixing frame two 14 is two, and the U-shaped connecting plate 31 is adapted to the plate holes 32;

[0039] Among them, by setting the plate holes 32, the U-shaped connecting plate 31 can be limited. Embodiment Two:

[0040] On the basis of Embodiment One, the preferred embodiment of the fabric tensioning machine provided by the present utility model is as Figures 1 to 8 shown: Grooves 29 are provided on all four sides of the support table 2, a long rotating shaft 30 is rotatably connected to the inner wall of the groove 29, and a support roller 28 is fixedly sleeved on the outer wall of the long rotating shaft 30.

[0041] Specifically, in the above technical solution, by setting the groove 29, the long rotating shaft 30 and the support roller 28, the friction between the fabric and the support table 2 can be reduced, the wear generated during the tensioning process of the fabric can be reduced, and a certain protection effect on the fabric can be achieved. The structure is simple and the practicability is strong.

[0042] The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A fabric stretching machine, comprising a base (1), a support platform (2) and a support frame (8), characterized in that: The support frame (8) is fixedly mounted on the top of the base (1), the number of the support frames (8) is two, the top of the base (1) is fixedly mounted with a motor 1 (11), a motor 2 (17) and a motor 3 (24), the output end of the motor 3 (24) is fixedly mounted with a screw rod 5 (25), the bottom end of the support platform (2) is fixedly mounted with a threaded sleeve (26), the threaded sleeve (26) is arranged on the outer wall of the screw rod 5 (25), the bottom end of the support platform (2) is fixedly mounted with a limit column (27), the limit column (27) movably passes through the support frame (8), the two sides of the support platform (2) are provided with a fixed frame 1 (3), and the front and back sides of the inner sides of the two support frames (8) are fixedly mounted with a fixed frame 1 (5). , the inner wall of the fixed frame 1 (5) is rotatably connected to a bidirectional screw rod 1 (6), the bottom ends of the two fixed frames 1 (3) are fixedly installed with a slider 1 (4) and a slider 2 (10), the two sliders 1 (4) are threadedly sleeved on the outer wall of the bidirectional screw rod 1 (6), the output end of the motor 1 (11) is fixedly installed with a short rotating shaft 1 (7), a sprocket transmission component 1 (9) is connected between the short rotating shaft 1 (7) and the bidirectional screw rod 1 (6), the inner wall of the other fixed frame 1 (5) is rotatably connected to a bidirectional screw rod 2 (12), the two sliders 2 (10) are threadedly sleeved on the outer wall of the bidirectional screw rod 2 (12), and a sprocket transmission component 2 (13) is connected between the bidirectional screw rod 1 (6) and the bidirectional screw rod 2 (12); The support platform (2) is provided with a fixing frame 2 (14) at the front and rear, and a fixing frame 2 (16) is fixedly installed on opposite sides of the two support frames (8), and the inner wall of the fixing frame 2 (16) is rotatably connected with a bidirectional screw rod 3 (20), and the bottom ends of the two fixing frames 2 (14) are fixedly installed with a slider 3 (15) and a slider 4 (23), and the two sliders 3 (15) are both threadedly sleeved on the outer wall of the bidirectional screw rod 3 (20), and the output end of the motor 2 (17) is fixedly installed with a short rotating shaft 2 (18), and a sprocket transmission component 3 (19) is connected between the short rotating shaft 2 (18) and the bidirectional screw rod 3 (20), and the inner wall of the other fixing frame 2 (16) is rotatably connected with a bidirectional screw rod 4 (22), and the two sliders 4 (23) are both threadedly sleeved on the outer wall of the bidirectional screw rod 4 (22), and a sprocket transmission component 4 (21) is connected between the bidirectional screw rod 3 (20) and the bidirectional screw rod 4 (22); The sprocket transmission assembly 1 (9), the sprocket transmission assembly 2 (13), the sprocket transmission assembly 3 (19) and the sprocket transmission assembly 4 (21) all comprise a driving sprocket (39), a chain (38) and a driven sprocket (37); the driving sprocket (39) is connected to the driven sprocket (37) through the chain (38).

2. A stretching machine according to claim 1, characterized in that: The number of the limiting columns (27) is four.

3. A stretching machine according to claim 1, characterized in that: The two fixing frames 1 (3) and 2 (14) are provided with plate holes (32) on their outer sides, a U-shaped connecting plate (31) is movably inserted into the plate holes (32), a clamping plate (33) is provided inside the two fixing frames 1 (3) and 2 (14), the clamping plate (33) is fixedly connected to both ends of the U-shaped connecting plate (31), the two fixing frames 1 (3) and 2 (14) are rotatably connected with threaded rods (35) on their outer sides, the threaded rods (35) are threadedly connected to the threaded holes provided on the U-shaped connecting plate (31), a rotating plate (36) is fixedly installed on one end of the threaded rod (35), and a tooth groove (34) is provided on the inner side of the clamping plate (33).

4. A stretching machine according to claim 3, characterized in that: The number of the tooth grooves (34) is multiple.

5. A stretching machine according to claim 3, characterized in that: The number of plate holes (32) on the two fixing frames 1 (3) and 2 (14) is two, and the U-shaped connecting plate (31) is matched with the plate holes (32).

6. A stretching machine according to claim 1, characterized in that: The support platform (2) is provided with grooves (29) on all four sides, the inner wall of the groove (29) is rotatably connected to a long rotating shaft (30), and the outer wall of the long rotating shaft (30) is fixedly sleeved with a supporting roller (28).

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