Cloth fixed-length cutting device

Abstract

The invention discloses a cloth fixed-length cutting device which comprises a cutting table, a clamping mechanism and a cutting mechanism, the clamping mechanism comprises a first clamping set and a second clamping set, the cutting mechanism is arranged between the first clamping set and the second clamping set, and the cutting mechanism comprises a lifting rod and a first air cylinder; the first air cylinder drives the lifting rod to move up and down relative to the mounting plate, and an electric heating wire is fixedly arranged on the lifting rod and arranged in the width direction of the cutting table. Cloth is fixed through the first clamping set and the second clamping set, the first air cylinder drives the lifting rod to move upwards, the electric heating wire arranged on the lifting rod cuts the cloth, the electric heating wire can conduct edge sealing on the cut end face of the cloth, and therefore the situation that follow-up use is affected due to loosening of the ends of the cloth can be avoided. And meanwhile, the first clamping set and the second clamping set can tension the cloth towards the two sides, so that the cloth cutting stability and accuracy are guaranteed, and the situation that skew wrinkles appear in the cutting process, and the cutting precision is affected is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cloth processing, and in particular relates to a cloth fixed-length cutting device. BACKGROUND

[0002] In the cloth processing process, the cloth roll needs to be cut into fixed-length cloth pieces. The traditional process mostly uses manual cutting, which requires multiple people to cooperate - two people to pull the cloth and one person to cut, which not only greatly reduces the processing efficiency, but also easily causes the cloth pieces to have different lengths due to insufficient cutting accuracy, thereby causing cloth waste.

[0003] To solve the above problems, cloth automatic cutting machines have appeared on the market. For example, a cloth fixed-length cutting device disclosed in a Chinese utility model patent (authorized publication number: CN216739006U) includes a workbench, an arch-shaped support, a horizontal movement driving mechanism, a telescopic cylinder, a cutting knife, and a pulling mechanism on both sides of the workbench. The pulling mechanism is composed of a pulling cylinder, a pulling plate, and a clamping device, which can fix both sides of the cloth and slightly tighten the cloth to both sides through the pulling cylinder, ensuring the stability and accuracy during cutting, without the need for manual or heavy object fixation, and has the advantages of simple structure, convenience, practicality, and low cost.

[0004] However, the cloth fixed-length cutting device disclosed in the above prior art cuts the cloth with a cutting knife, which easily causes the cut cloth end to have loose burrs, which adversely affects the subsequent use of the cloth.

[0005] Therefore, it is necessary to improve the prior art. SUMMARY

[0006] The purpose of the present application is to solve the problem of the cloth automatic cutting machine in the prior art, which cuts the cloth with a cutting knife, easily causes the cut cloth end to have loose burrs, and adversely affects the subsequent use of the cloth, and to propose a cloth fixed-length cutting device.

[0007] To achieve the above purpose, the present application adopts the following technical solutions: The application discloses a cloth fixed-length cutting device which comprises a cutting table and a gantry support arranged at the end of the cutting table, two mounting plates are arranged at the two sides of the gantry support, and a mounting frame is arranged between the two mounting plates; a clamping mechanism is arranged on the gantry support and comprises a first clamping group and a second clamping group arranged on the mounting frame, and the first clamping group and the second clamping group are used for tensioning and fixing the cloth; a cutting mechanism is arranged between the first clamping group and the second clamping group, the cutting mechanism comprises a lifting rod and a first cylinder, the first cylinder drives the lifting rod to move up and down relative to the mounting plate, an electric heating wire is fixedly arranged on the lifting rod, and the electric heating wire is arranged along the width direction of the cutting table; a reciprocating traction mechanism comprises a moving mechanism and a traction mechanism, the moving mechanism comprises a motor, a belt and a frame, the belt is in transmission connection with the output shaft of the motor, the frame is fixedly connected with the belt, and the traction mechanism is arranged on the frame; the traction mechanism comprises a plurality of driving cylinders, a clamping jaw is arranged on each of the driving cylinders, and the frame drives the clamping jaw to reciprocate along the length direction of the cutting table; the first cylinder, the driving cylinders and the motor are connected with the control signal of a control system.

[0008] Further, the first clamping group comprises a first clamping plate, a second clamping plate and a second cylinder, the first clamping plate is fixedly connected with the gantry support, the second cylinder is used for driving the second clamping plate to move up and down relative to the gantry support, so that the second clamping plate is clamped and matched with the first clamping plate; the second clamping group comprises a third clamping plate, a fourth clamping plate, a third cylinder and a fourth cylinder, the third cylinder drives the third clamping plate to move up and down relative to the mounting plate, the fourth cylinder drives the fourth clamping plate to move up and down relative to the mounting plate, and the third clamping plate is clamped and matched with the fourth clamping plate; the second cylinder, the third cylinder and the fourth cylinder are connected with the control signal of the control system.

[0009] Further, the first cylinder is fixedly connected with the cutting table, and the telescopic end of the first cylinder is fixedly connected with the lifting rod.

[0010] Further, the second cylinder is fixedly connected with the gantry support, and the telescopic end of the second cylinder is fixedly connected with the second clamping plate.

[0011] Further, the third cylinder is fixedly connected with the mounting frame, and the telescopic end of the third cylinder is fixedly connected with the third clamping plate; the fourth cylinder is fixedly connected with the cutting table, and the telescopic end of the fourth cylinder is fixedly connected with the fourth clamping plate.

[0012] Further, one end of the first clamping plate, which faces the clamping jaw, is provided with a plurality of first grooves matched with the clamping jaw, one end of the second clamping plate, which faces the clamping jaw, is provided with a plurality of second grooves matched with the clamping jaw, and the first grooves and the second grooves are correspondingly arranged in the vertical direction.

[0013] Further, the mounting plate is provided with a receiving opening, and the lifting rod, the third clamping plate and the fourth clamping plate are all accommodated in the receiving opening.

[0014] Further, the lifting rod is attached to a first vertical side wall of the receiving opening, and the third clamping plate and the fourth clamping plate are both attached to a second vertical side wall of the receiving opening.

[0015] Further, the belt is provided with two belts, which are arranged on the left and right sides of the cutting table respectively; the cutting table is provided with a first transmission shaft and a second transmission shaft at the front end and the rear end respectively, the first transmission shaft is in transmission connection with the output shaft of the motor, and the two ends of the second transmission shaft are in transmission connection with the first transmission shaft through the belts.

[0016] Further, the frame includes two connecting arms, and the frame is fixedly connected with the belt through the two connecting arms.

[0017] After the above structure is adopted, the application has the following beneficial effects: (1) The cloth fixed-length cutting device comprises a cutting table, a clamping mechanism and a cutting mechanism, and comprises a first clamping group and a second clamping group. The cutting mechanism is arranged between the first clamping group and the second clamping group. The cutting mechanism comprises a lifting rod and a first cylinder. The first cylinder drives the lifting rod to move up and down relative to the mounting plate. An electric heating wire is fixedly arranged on the lifting rod and arranged along the width direction of the cutting table. The cloth is fixed by the first clamping group and the second clamping group. The first cylinder drives the lifting rod to move upwards. The electric heating wire arranged on the lifting rod cuts the cloth. The electric heating wire can seal the end face of the cloth, thereby avoiding the loosening of the cloth end to affect the subsequent use. At the same time, the first clamping group and the second clamping group can pull the cloth tightly to the two sides, thereby ensuring the stability and accuracy of the cloth cutting, avoiding the occurrence of skew and wrinkles in the cutting process, and affecting the cutting precision.

[0018] (2) The cloth fixed-length cutting device comprises a reciprocating traction mechanism, which comprises a moving mechanism and a traction mechanism. The cloth is clamped by the traction mechanism, and then the moving mechanism drives the traction mechanism to move backward along the length direction of the cutting table, thereby automatically straightening the cloth and laying the cloth flat. After the cloth is laid flat, the first cylinder is started to drive the electric heating wire to move upward, and the cloth fixed by the first clamping group and the second clamping group is cut. After cutting, the traction mechanism drives the cut cloth piece to continue to move backward by a certain distance, and then the traction mechanism lays the cloth. After laying the cloth, the moving mechanism drives the traction mechanism to move forward again to grab the cloth. The above steps are repeated to realize the efficient fixed-length cutting of the cloth. The cutting device does not need to be manually pulled to position the cloth throughout the process, has high working efficiency, strong practicality, convenient operation, and is suitable for wide application and use. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of the present invention, the accompanying drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram showing the connection between the cutting table, the cutting mechanism, and the mounting plate of the present invention. Figure 3 This is a schematic diagram showing the connection between the cutting table, the gantry bracket, and the first clamping assembly of the present invention. Figure 4 This is a schematic diagram showing the connection between the cutting table, mounting frame, and second clamping assembly of the present invention. Figure 5 This is a schematic diagram showing the connection between the cutting table and the reciprocating traction mechanism of the present invention. Figure 6 This is a cross-sectional view of the overall structure of the present invention; Figure 7 This is the invention Figure 6 An enlarged schematic diagram of the structure at point A.

[0021] Figures 1 to 7 The winning number is: 1. Cutting table; 2. Gantry bracket; 21. Mounting plate; 211. Receiving opening; 2111. First vertical side wall; 2112. Second vertical side wall; 22. Mounting frame; 3. Clamping mechanism; 31. First clamping group; 311. First clamping plate; 3111. First groove; 312. Second clamping plate; 3121. Second groove; 313. Second cylinder; 32. Second clamping group; 321. Third clamping plate; 322. Four-ply plate; 323, third cylinder; 324, fourth cylinder; 4, cutting mechanism; 41, lifting rod; 42, first cylinder; 43, heating wire; 5, reciprocating traction mechanism; 51, moving mechanism; 511, motor; 512, belt; 513, frame; 5131, connecting arm; 514, first drive shaft; 515, second drive shaft; 52, traction mechanism; 521, drive cylinder; 522, gripper. Detailed Implementation

[0022] In order to make the above objectives, features and advantages of the present application more clear and comprehensible, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways without being limited to the embodiments described herein. It is, therefore, to be understood that it is not intended to limit the present application to the specific examples disclosed below, and that the specific examples are included in order to adequately disclose the present application.

[0023] In the description of the present application, it should be understood that, if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "a plurality of" appears, the meaning of the term "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0025] In the present application, unless otherwise specifically defined and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, unless otherwise explicitly specified and limited, if there is a description such as "on" or "under" or the like between a first feature and a second feature, it can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, "over", "above" and "on" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. "Under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0027] It should be noted that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or there can be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be an intermediate element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not mean the only implementation.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] As shown in Figures 1 to 7 A cloth fixed-length cutting device, comprising a cutting table 1, further comprising: a gantry support 2 arranged at the end of the cutting table 1, two sides of the gantry support 2 are respectively provided with mounting plates 21, and a mounting frame 22 is arranged between the two mounting plates 21; a clamping mechanism 3 comprising a first clamping group 31 arranged on the gantry support 2 and a second clamping group 32 arranged on the mounting frame 22, the first clamping group 31 and the second clamping group 32 are respectively used for tensioning and fixing the cloth; a cutting mechanism 4 arranged between the first clamping group 31 and the second clamping group 32, the cutting mechanism 4 comprises a lifting rod 41 and a first cylinder 42, the first cylinder 42 drives the lifting rod 41 to move up and down relative to the mounting plate 21, an electric heating wire 43 is fixedly arranged on the lifting rod 41, and the electric heating wire 43 is arranged along the width direction of the cutting table 1; a reciprocating traction mechanism 5 comprising a moving mechanism 51 and a traction mechanism 52, the moving mechanism 51 comprises a motor 511, a belt 512 and a frame 513, the belt 512 is in transmission connection with the output shaft of the motor 511, the frame 513 is fixedly connected with the belt 512, and the traction mechanism 52 is arranged on the frame 513; the traction mechanism 52 comprises a plurality of driving cylinders 521, a clamping jaw 522 is arranged on each driving cylinder 521, and the frame 513 drives the clamping jaw 522 to reciprocate along the length direction of the cutting table 1.

[0030] Based on the above embodiment, the application provides a cloth fixed-length cutting device, which comprises a cutting table 1, a clamping mechanism 3 and a cutting mechanism 4, the clamping mechanism 3 comprises a first clamping group 31 and a second clamping group 32, the cutting mechanism 4 is arranged between the first clamping group 31 and the second clamping group 32, the cutting mechanism 4 comprises a lifting rod 41 and a first cylinder 42, the first cylinder 42 drives the lifting rod 41 to move up and down relative to a mounting plate 21, an electric heating wire 43 is fixedly arranged on the lifting rod 41, and the electric heating wire 43 is arranged along the width direction of the cutting table 1. The two sides of the cloth are fixed by the first clamping group 31 and the second clamping group 32, the first cylinder 42 drives the lifting rod 41 to move upward, the electric heating wire 43 arranged on the lifting rod 41 cuts the cloth, and the electric heating wire 43 can edge seal the cutting end face of the cloth, so that the loosening of the cloth end can be avoided to affect the subsequent use. At the same time, the first clamping group 31 and the second clamping group 32 can pull the cloth tight to both sides, so as to ensure the stability and accuracy of cloth cutting, avoid the occurrence of skew and wrinkles in the cutting process, and affect the cutting precision.

[0031] In the embodiment, the cloth is clamped by the traction mechanism 52, the traction mechanism 52 is driven by the moving mechanism 51 to move backward along the length direction of the cutting table 1, so as to automatically straighten the cloth and lay the cloth flat, after the cloth is laid flat, the first cylinder 42 is started to drive the electric heating wire 43 to move upward, the cloth fixed by the first clamping group 31 and the second clamping group 32 is cut, after the cutting is completed, the traction mechanism 52 drives the cut cloth piece to continue to move backward by a distance, then the traction mechanism 52 lays the cloth, after the laying is completed, the moving mechanism 51 drives the traction mechanism 52 to move forward again to grab the cloth, the above steps are repeated, the fixed-length cutting of the cloth is realized, the cutting device does not need to manually pull the cloth for positioning in the whole process, the working efficiency is high, the practicability is strong, the operation is convenient, and the cutting device is suitable for being widely used.

[0032] As another preferred scheme of the present application, the first clamping group 31 comprises a first clamping plate 311, a second clamping plate 312 and a second cylinder 313, the first clamping plate 311 is fixedly connected with the gantry 2, the second cylinder 313 is used to drive the second clamping plate 312 to move up and down relative to the gantry 2, so as to realize the clamping cooperation of the second clamping plate 312 and the first clamping plate 311; the second clamping group 32 comprises a third clamping plate 321, a fourth clamping plate 322, a third cylinder 323 and a fourth cylinder 324, the third cylinder 323 drives the third clamping plate 321 to move up and down relative to the mounting plate 21, the fourth cylinder 324 drives the fourth clamping plate 322 to move up and down relative to the mounting plate 21, and the third clamping plate 321 is clamped with the fourth clamping plate 322; the first cylinder 42 is fixedly connected with the cutting table 1, and the telescopic end of the first cylinder 42 is fixedly connected with the lifting rod 41. The second cylinder 313 is fixedly connected with the gantry 2, and the telescopic end of the second cylinder 313 is fixedly connected with the second clamping plate 312. The third cylinder 323 is fixedly connected with the mounting frame 22, and the telescopic end of the third cylinder 323 is fixedly connected with the third clamping plate 321; the fourth cylinder 324 is fixedly connected with the cutting table 1, and the telescopic end of the fourth cylinder 324 is fixedly connected with the fourth clamping plate 322. The second cylinder 313, the third cylinder 323 and the fourth cylinder 324 are all connected with the control system control signal; the first cylinder 42, the driving cylinder 521 and the motor 511 are all connected with the control system control signal. In this embodiment, as shown in Figures 2 to 4 and Figure 7 illustrated, in operation, the second cylinder 313 drives the second clamping plate 312 to move downward, and the cloth is clamped by the cooperation of the first clamping plate 311 and the second clamping plate 312; the moving mechanism 51 drives the traction mechanism 52 to move to the direction close to the clamping mechanism 3, the clamping jaw 522 clamps the cloth under the drive of the driving cylinder 521, the second cylinder 313 drives the second clamping plate 312 to move upward, and the clamping force on the cloth is released; the moving mechanism 51 drives the traction mechanism 52 to move to the direction away from the clamping mechanism 3, when it moves to a predetermined length, the second cylinder 313 drives the second clamping plate 312 to move downward, so that the second clamping plate 312 clamps the cloth in cooperation with the first clamping plate 311; at the same time, the third cylinder 323 drives the third clamping plate 321 to move downward, and the fourth cylinder 324 drives the fourth clamping plate 322 to move upward, so that the third clamping plate 321 clamps the cloth in cooperation with the fourth clamping plate 322, thereby realizing the tensioning and fixing of the cloth by the first clamping group 31 and the second clamping group 32; then, the first cylinder 42 drives the lifting rod 41 to move upward, and the lifting rod 41 drives the electric heating wire 43 to cut the cloth.

[0033] In the embodiment, the first cylinder 42, the second cylinder 313, the third cylinder 323, the fourth cylinder 324, the driving cylinder 521 and the motor 511 are connected with the control system control signal, and accurate cooperation between the first cylinder 42, the second cylinder 313, the third cylinder 323, the fourth cylinder 324, the driving cylinder 521 and the motor 511 is realized through the control system. In a further preferred embodiment, the control system is specifically a PLC programming system, and accurate cooperation between the first cylinder 42, the second cylinder 313, the third cylinder 323, the fourth cylinder 324, the driving cylinder 521 and the motor 511 is realized through the control system. The control system can accurately coordinate the actions of the first cylinder 42, the second cylinder 313, the third cylinder 323, the fourth cylinder 324, the driving cylinder 521 and the motor 511, and ensure the stability and reliability of the cutting device. The PLC programming system has high reliability, flexible programming capability and good expansibility, and can better meet the control requirements under complex working conditions.

[0034] As another preferred scheme of the application, one end of the first clamping plate 311 facing the clamping jaw 522 is provided with a plurality of first grooves 3111 matched with the clamping jaw 522, one end of the second clamping plate 312 facing the clamping jaw 522 is provided with a plurality of second grooves 3121 matched with the clamping jaw 522, and the first grooves 3111 and the second grooves 3121 are correspondingly arranged in the vertical direction. In the embodiment, as shown in Figure 3 and Figure 5 When the first clamping plate 311 and the second clamping plate 312 of the first clamping group 31 are clamped and matched to realize clamping and fixing of the cloth, the first grooves 3111 and the second grooves 3121 are correspondingly matched, the clamping jaw 522 extends into the first grooves 3111 and the second grooves 3121 to clamp the cloth, and the clamping jaw 522 is engaged and matched with the first grooves 3111 and the second grooves 3121. This structural design can avoid the end of the cloth from drooping and facilitate the clamping jaw 522 to clamp the cloth.

[0035] As another preferred scheme of the application, the mounting plate 21 is provided with a receiving opening 211, and the lifting rod 41, the third clamping plate 321 and the fourth clamping plate 322 are all accommodated in the receiving opening 211. The lifting rod 41 is attached to a first vertical side wall 2111 of the receiving opening 211, and the third clamping plate 321 and the fourth clamping plate 322 are both attached to a second vertical side wall 2112 of the receiving opening 211. In the embodiment, as shown in Figure 2 and Figure 4As shown, the lifting rod 41 moves up and down along the first vertical sidewall 2111 of the receiving opening 211, and the third clamping plate 321 and the fourth clamping plate 322 move up and down along the second vertical sidewall 2112 of the receiving opening 211. The first vertical sidewall 2111 provides lateral support to the lifting rod 41, making the movement of the lifting rod 41 more stable and improving the accuracy of cutting the heating wire 43; the second vertical sidewall 2112 provides lateral support to the third clamping plate 321 and the fourth clamping plate 322, making the movement of the third clamping plate 321 and the fourth clamping plate 322 more stable and improving the stability of the second clamping assembly 32.

[0036] In another preferred embodiment of the present invention, two belts 512 are provided, and the two belts 512 are respectively provided on the left and right sides of the cutting table 1; a first drive shaft 514 and a second drive shaft 515 are respectively provided at the front and rear ends of the cutting table 1, the first drive shaft 514 is drivenly connected to the output shaft of the motor 511, and the two ends of the second drive shaft 515 are drivenly connected to the first drive shaft 514 through the belts 512. The frame 513 includes two connecting arms 5131, and the frame 513 is fixedly connected to the belts 512 through the two connecting arms 5131. In this embodiment, as Figure 5 As shown, two belts 512 are provided, respectively located on the left and right sides of the cutting table 1. This structural design ensures smooth operation of the moving mechanism 51, thereby driving the traction mechanism 52 to move smoothly. Furthermore, the elasticity of the belts 512 helps to mitigate impact and reduce vibration, resulting in smooth transmission. The belt-driven transmission is simple, cost-effective, easy to maintain, and convenient to replace. When the moving mechanism 51 is working, the motor 511 drives the first transmission shaft 514 to rotate. The first transmission shaft 514, in conjunction with the second transmission shaft 515, drives the belts 512 on both sides to move. The belts 512, through the connecting arm 5131, drive the frame 513 to move, thereby driving the traction mechanism 52 mounted on the frame 513 to move.

[0037] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A cloth length cutting device comprising a cutting table, characterized in that, Also include: Gantry, set in the end of cutting table, both sides of the gantry are provided with mounting plate, two mounting plate are provided with mounting frame; Clamping mechanism, including the first clamping group provided on the gantry and the second clamping group provided on the mounting frame, the first clamping group and the second clamping group are used for tensioning and fixing cloth respectively; Cutting mechanism, set between the first clamping group and the second clamping group, the cutting mechanism includes lifting rod and first cylinder, the first cylinder drives the lifting rod to move up and down relative to the mounting plate, the lifting rod is fixedly provided with heating wire, the heating wire is arranged along the width direction of the cutting table; Reciprocating traction mechanism, including moving mechanism and traction mechanism, the moving mechanism includes motor, belt and frame, the belt is in transmission connection with the output shaft of the motor, the frame is fixedly connected with the belt, and the traction mechanism is arranged on the frame; the traction mechanism includes a plurality of drive cylinders, each drive cylinder is provided with a clamping jaw, and the frame drives the clamping jaw to reciprocate along the length direction of the cutting table; The first cylinder, the drive cylinder and the motor are connected with the control signal of the control system.

2. The cloth fixed-length cutting device according to claim 1, characterized in that: The first clamping group includes first clamping plate, second clamping plate and second cylinder, the first clamping plate is fixedly connected with the gantry, the second cylinder is used for driving the second clamping plate to move up and down relative to the gantry, so as to realize the clamping cooperation of the second clamping plate and the first clamping plate; the second clamping group includes third clamping plate, fourth clamping plate, third cylinder and fourth cylinder, the third cylinder drives the third clamping plate to move up and down relative to the mounting plate, the fourth cylinder drives the fourth clamping plate to move up and down relative to the mounting plate, and the third clamping plate is clamped with the fourth clamping plate; the second cylinder, the third cylinder and the fourth cylinder are connected with the control signal of the control system.

3. The apparatus according to claim 1, wherein: The first cylinder is fixedly connected with the cutting table, and the telescopic end of the first cylinder is fixedly connected with the lifting rod.

4. The apparatus according to claim 2, wherein: The second cylinder is fixedly connected with the gantry, and the telescopic end of the second cylinder is fixedly connected with the second clamping plate.

5. The apparatus of claim 2 wherein: The third cylinder is fixedly connected with the mounting frame, and the telescopic end of the third cylinder is fixedly connected with the third clamping plate; the fourth cylinder is fixedly connected with the cutting table, and the telescopic end of the fourth cylinder is fixedly connected with the fourth clamping plate.

6. The apparatus of claim 1 wherein: One end of the first clamping plate towards the clamping jaw is provided with a plurality of first grooves matched with the clamping jaw, one end of the second clamping plate towards the clamping jaw is provided with a plurality of second grooves matched with the clamping jaw, and the first grooves and the second grooves are correspondingly arranged in the vertical direction.

7. The apparatus of claim 1 wherein: The mounting plate is provided with a receiving opening, and the lifting rod, the third clamping plate and the fourth clamping plate are accommodated in the receiving opening.

8. A cloth length cutting device according to claim 7, wherein: The lifting rod is attached to the first vertical side wall of the receiving opening, and the third clamping plate and the fourth clamping plate are attached to the second vertical side wall of the receiving opening.

9. The apparatus of claim 1 wherein: The belt is provided with two, two belts are arranged on the left and right sides of the cutting table; the cutting table is provided with first transmission shaft and second transmission shaft at the front and rear ends respectively, the first transmission shaft is in transmission connection with the output shaft of the motor, and the two ends of the second transmission shaft are in transmission connection with the first transmission shaft through the belt.

10. The apparatus of claim 9, wherein: The frame comprises two connecting arms, and the frame is fixedly connected with the belt through the two connecting arms.

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