Automatic cloth cutting device

Abstract

The invention relates to the technical field of cutting equipment, in particular to an automatic cloth cutting device. The automatic cloth cutting device comprises a rack, an unwinding mechanism and a transverse cutting mechanism, the unwinding mechanism is arranged on the rack and used for installing and unwinding coiled cloth, the transverse cutting mechanism is used for transversely cutting off the cloth, the automatic cloth cutting device comprises a movable type material collecting table and a material collecting rewinding mechanism, and the movable type material collecting table is independent of the rack. The material receiving and rewinding mechanism is installed on the machine frame and provided with a winding roller, and the movable type material receiving table has a moving-away state that the movable type material receiving table moves away relative to the machine frame and leaves away from the material receiving and rewinding mechanism so that the material receiving and rewinding mechanism can wind and cut cloth with the length larger than the set length through the winding roller. The removable material receiving table further has a material receiving state which is close to the machine frame and used for receiving the cloth with the cutting length smaller than the set length. The corresponding material receiving mechanism is adaptively selected and used according to the cut section length of the cloth, and the flatness of the cloth can be guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting equipment, and in particular to an automatic cloth cutting device. Background Art

[0002] Insulating rods are components used for support, disconnection, and electrical insulation in GIS equipment. They are hollow tubes, primarily reinforced with fiberglass cloth. The cloth is cut to the specified size, wound around a mold mandrel, impregnated with epoxy resin, cured, and demolded to create the finished tube. The fiberglass cloth comes in rolls of fixed width and needs to be cut to length and width. Since insulating rods come in different specifications, the length and width of the cloth required for each product vary. Traditional manual cutting can easily lead to uneven edges, requiring secondary trimming and is time-consuming.

[0003] There is an automatic cutting machine in the prior art, whose basic structure can be found in a coil cutting machine disclosed in the Chinese utility model patent with authorization announcement number CN217807653U, which includes a coil loading module, an intermediate storage module, a coil cross-cutting module and a discharge module. The coil loading module constitutes an unwinding mechanism, the coil loading module is used to load coil raw materials and unwind, the intermediate storage module is used to pre-store the coils unwound from the coil loading module, the coil cross-cutting module constitutes a cross-cutting cutting mechanism, the coil cross-cutting module includes a thin cutter and uses the thin cutter to cut the coil flowing into the intermediate storage module into a preset size, and the discharge module is used to store the plates that have completed the cross-cutting work, thereby realizing the automatic cross-cutting function of the coil.

[0004] The unloading module of the above-mentioned cutting machine adopts a receiving table to receive the cut materials. After the coil is cut crosswise, it is transported backward and stacked on the receiving table. This form of receiving can be applicable to materials with shorter lengths. However, for the glass fiber cloth used to make insulating pull rods, some single sections of glass fiber cloth are very long, and the receiving table needs to be set up very long accordingly, which takes up space. Moreover, when a long section of glass fiber cloth moves on the receiving table, the friction is large, and the glass fiber cloth is prone to wrinkles, which affects its subsequent use. Summary of the Invention

[0005] The object of the present invention is to provide an automatic cloth cutting device to solve the problem that the current automatic cutting device adopts a receiving table to receive the cloth, which is prone to wrinkles when receiving long pieces of cloth and affects subsequent use.

[0006] The technical solution of the automatic cloth cutting device of the present invention is: The invention relates to an automatic cloth cutting device, comprising a frame, an unwinding mechanism arranged on the frame for installing rolled cloth and unwinding it, and a cross-cutting mechanism for cutting the cloth transversely. The automatic cloth cutting device comprises a removable material receiving table and a material receiving and rewinding mechanism. The removable material receiving table is independently arranged on the frame, the material receiving and rewinding mechanism is installed on the frame and has a rewinding roller. The removable material receiving table has a removed state in which it is moved away from the frame to allow the material receiving and rewinding mechanism to be rewound and cut into cloth with a length greater than a set length through the rewinding roller. The removable material receiving table also has a material receiving state close to the frame for receiving cloth with a cutting length less than a set length.

[0007] Furthermore, the removable material receiving platform includes a platform, a conveyor belt installed on the top of the platform, and a receiving tray located on the side of the conveyor belt discharge end. The conveyor belt is used to receive the fabric and send the fabric to the receiving tray when the removable material receiving platform is in the material receiving state.

[0008] Furthermore, the bottom of the removable material receiving table is provided with rollers and height-adjustable supporting feet.

[0009] Furthermore, the transverse cutting mechanism includes a transverse cutting knife and a cloth pressing structure located on both sides of the transverse cutting knife along the cloth conveying direction, and the cloth pressing structure is used to press the cloth when cutting the cloth transversely.

[0010] Furthermore, the automatic cloth cutting device includes a longitudinal cutting mechanism for cutting the cloth along the length direction, and the longitudinal cutting mechanism is located upstream of the transverse cutting mechanism along the cloth conveying direction.

[0011] Furthermore, the automatic cloth cutting device includes a traction mechanism, which includes a front traction roller group and a rear traction roller group. Each traction roller group has a pair of pressure rollers for clamping and driving the cloth to move. The longitudinal slitting mechanism includes a slitting knife located between the front traction roller group and the rear traction roller group.

[0012] Furthermore, the automatic cloth cutting device includes a traction roller group, which has a pair of pressure rollers for clamping and driving the cloth to move, and the surface of the pressure rollers is made of elastic material.

[0013] Furthermore, the automatic cloth cutting device includes a buffer mechanism, which includes two or more buffer rollers for winding the cloth, the unwinding mechanism is located upstream of the buffer mechanism, and the cross-cutting mechanism is located downstream of the buffer mechanism.

[0014] Furthermore, at least one buffer roller is a floating roller capable of floating radially.

[0015] Furthermore, the unwinding mechanism includes an unwinding roller and an unwinding motor for driving the unwinding roller to rotate.

[0016] Beneficial effect: The present invention is improved on the basis of the automatic cutting device in the prior art, so that the automatic cloth cutting device is equipped with two material receiving mechanisms, one is a removable material receiving table, and the other is a material receiving and rewinding mechanism. The removable material receiving table is independent of the frame, and the material receiving and rewinding mechanism is installed on the frame. The rolled cloth is unwound by the unwinding mechanism, and is cut into sections of equal length by the cross-cutting cutting mechanism. The section length of the cut cloth is the cutting length, and the cutting length is consistent with the set distance. According to different needs, the cutting length is different. When the cutting length is less than the set length, the single section of cloth is shorter. At this time, the removable material receiving table is used to receive the cloth. The removable material receiving table When the machine is close to the frame and enters the material-receiving state, it can take on shorter fabrics, and the short fabric sections are stacked on the material-receiving table, which is convenient for taking and placing. When the cutting length is greater than the set length, the single fabric section is longer. At this time, the material-receiving and rewinding mechanism is used for material rewinding, and the removable material-receiving table is moved away from the frame and enters the removed state. At this time, the removable material-receiving table does not block the material-receiving and rewinding mechanism, so that the material-receiving and rewinding mechanism can be used to rewind long fabric sections. The corresponding set length is not less than the stroke of the fabric from the horizontal cutting position to the winding roller. The corresponding material-receiving mechanism is selected according to the length of the fabric section cut, which can ensure the flatness of the fabric, prevent wrinkles, and does not take up too much space, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the automatic cloth cutting device according to an embodiment of the present invention from a front side perspective; Figure 2 2 is a schematic structural diagram of an automatic cloth cutting device from a rear side perspective according to an embodiment of the present invention.

[0018] In the figure: 100, fabric roll; 200, frame; 11, unwinding roller; 12, unwinding motor; 21, buffer roller; 31, front pressure roller; 32, rear pressure roller; 33, pressure roller drive cylinder; 41, slitting knife; 51, cross-cutting knife; 52, pressure plate; 61, anti-static rod; 70, receiving platform; 71, conveyor belt; 72, platform; 73, conveying motor; 74, roller; 75, support leg; 81, winding roller; 82, winding motor; 90, controller. DETAILED DESCRIPTION

[0019] The basic concept of the automatic cloth cutting device of the present invention is to use a removable material receiving table to receive short pieces of cloth, remove the removable material receiving table and use a material receiving and rewinding mechanism to receive long pieces of cloth. The material receiving mechanism is selected according to the length of the cut cloth segment, which can ensure the flatness of the cloth, prevent wrinkles from occurring, and does not take up too much space, reducing manual operation and making it easy to use.

[0020] The technical solution of the present invention is described in detail below with reference to the embodiments.

[0021] Embodiments of the automatic cloth cutting device of the present invention: like Figure 1 、 Figure 2 As shown, the automatic fabric cutting device includes a frame 200, an unwinding mechanism, a buffer mechanism, a traction mechanism, a longitudinal slitting mechanism, a transverse cutting mechanism, an anti-static device, a material receiving platform 70, a material rewinding mechanism, and a controller 90. A fabric roll 100 is unwound by the unwinding mechanism, bypasses the buffer mechanism, and is transported backward by the traction force of the traction mechanism. It is then cut into fabric sections of a predetermined length and width by the longitudinal slitting mechanism and the transverse cutting mechanism, and then received and stored by the material receiving platform 70 or the material rewinding mechanism. The direction of fabric transport from the fabric roll 100 to the material receiving platform 70 or the rewinding roller 81 is the conveying direction, which is consistent with the length of the fabric. The controller 90 is used to control the corresponding mechanisms, such as the cylinder, motor, and anti-static device, to achieve the fabric cutting process.

[0022] The retractable material receiving platform 70 is independent of the frame 200 and can be moved away from or near the frame 200. A retracting and rewinding mechanism is mounted on the frame 200 and includes a rewinding roller 81 and a rewinding motor 82 for rotating the rewinding roller 81. The retractable material receiving platform 70 can be moved away from the frame 200, clearing the rewinding mechanism. This allows the retracting and rewinding mechanism to rewind fabric that has been cut to a length greater than a set length. The retractable material receiving platform 70 can also be positioned near the frame 200 to receive fabric that has been cut to a length less than a set length.

[0023] The automatic fabric cutting device is equipped with two material receiving mechanisms, one is a removable material receiving platform 70, and the other is a material receiving and rewinding mechanism. When in use, the rolled fabric is unwound by the unwinding mechanism and cut into equal length segments by the cross-cutting mechanism. The cross-cutting mechanism cuts once for each segment. The segment length of the cut fabric is the cutting length. The cutting length is consistent with the set distance. The cutting length varies according to different needs. When the cutting length is less than the set length, the single segment of fabric is short. At this time, the removable material receiving platform 70 is used for receiving the fabric. The removable material receiving platform 70 is close to the frame 200 and enters the material receiving state, which can take on shorter fabrics. Short lengths of fabric are stacked on the receiving platform 70, making them easy to take and put. When the cutting length is greater than the set length, the single length of fabric is longer, and a receiving and rewinding mechanism is used to receive the fabric. The removable receiving platform 70 is moved away from the frame 200 and enters a removed state. At this time, the removable receiving platform 70 does not block the receiving and rewinding mechanism, so that the long length of fabric can be rewound using the receiving and rewinding mechanism. The corresponding set length is not less than the distance from the transverse cutting position of the fabric to the rewinding roller 81. The corresponding receiving mechanism is selected based on the length of the fabric cut. Short lengths of fabric are directly received by the receiving platform 70, and the frictional resistance of the fabric relative to the receiving platform 70 is small, so it will not wrinkle. Long lengths of fabric are rewound using the rewinding roller 81, which can ensure the flatness of the fabric and is not prone to wrinkles. It also reduces the length of the receiving platform 70, does not take up too much space, and is easy to use.

[0024] The removable material receiving platform 70 includes a frame 72, a conveyor belt 71 mounted atop the frame 72, and a receiving tray located on the discharge side of the conveyor belt 71. The receiving tray is not shown in the figure and is shorter than the height of the conveyor belt 71. The discharge end of the conveyor belt 71 is also the end away from the frame 200. The conveyor belt 71 is used to receive fabric when the removable material receiving platform 70 is in the receiving state and deliver it to the receiving tray. A conveyor motor 73 is mounted atop the frame 72 to drive the conveyor belt 71 back and forth. After being cut, short sections of fabric can fall onto the conveyor belt 71 and be transported by the conveyor belt 71 to the receiving tray. This allows for the automatic collection and delivery of short sections of fabric. The conveyor belt 71 provides traction for the short sections, helping to smooth the fabric. In other embodiments, the conveyor belt can be omitted, and the receiving tray of the material receiving platform can be used to directly receive the cut fabric.

[0025] The removable material receiving platform 70 has a frame 72 with rollers 74 and height-adjustable feet 75 at its base. When the feet 75 are raised, the rollers 74 support the ground, facilitating movement. When the feet 75 are lowered, the feet 75 rest on the ground, preventing the receiving platform 70 from rocking. This allows for quick switching between platform receiving and rewinding modes. In other embodiments, the feet may be omitted and rollers with locking features may be used instead.

[0026] The material rewinding mechanism is used to rewind long lengths of fabric after cutting. The rewinding roller 81 is an inflatable shaft. After inflation, the fabric can be fixed on the rewinding roller 81. The direction, speed and rewinding tension of the rewinding motor 82 are all adjustable and controllable, which can achieve smooth rewinding of long lengths of fabric.

[0027] The unwinding mechanism is mounted on the frame 200 and includes an unwinding roller 11 and an unwinding motor 12. The unwinding roller 11 is used to receive the rolled fabric, namely the fabric roll 100. The unwinding roller 11 rotates to unwind the fabric roll 100. The unwinding motor 12 is mounted on the frame 200 and can drive the unwinding roller 11 to rotate. The unwinding roller 11 is an inflatable shaft. After being inflated, the fabric roll 100 is fixed to the unwinding roller 11. The unwinding motor 12 drives the unwinding roller 11 to rotate the fabric roll 100 to unwind the fabric. This allows the unwinding roller 11 to be actively rotated by the unwinding motor 12, preventing the fabric from being overstretched.

[0028] A buffer mechanism is located behind the unwinding mechanism and includes two or more buffer rollers 21 around which the fabric is wound. The unwinding mechanism is located upstream of the buffer mechanism, with the fabric conveying direction along the cutting mechanism as the upstream and downstream directions. In this embodiment, there are six buffer rollers 21: three on the upper side and three on the lower side. As the fabric passes around each buffer roller 21, some of the fabric is stored. This also allows for smoother unwinding of the fabric roll 100, preventing deformation or damage caused by uneven tension. In other embodiments, a different number of buffer rollers may be provided as needed.

[0029] In this embodiment, one of the buffer rollers is a radially floating roller, which can adapt to adjusting the tension and adapting to changes in the cloth conveying process, which is beneficial to stability. In other embodiments, the buffer rollers can also be fixed or there can be more than two floating rollers.

[0030] The traction mechanism is located behind the buffer mechanism and consists of a front traction roller set and a rear traction roller set. Each traction roller set has a pair of pressure rollers for clamping and moving the fabric. The front traction roller set has a front pressure roller 31, while the rear traction roller set has a rear pressure roller 32. The upper front pressure roller 31 and the upper rear pressure roller 32 are movable. The movable pressure rollers are equipped with pressure roller drive cylinders 33, which drive the pressure rollers downward to press the fabric. The cylinder pressure is adjustable. After passing through each buffer roller 21, the fabric enters between the pair of front pressure rollers 31 and then between the pair of rear pressure rollers 32, where the pressure rollers compress the fabric. The traction mechanism includes a motor to drive the pressure rollers, which rotate to pull the fabric backward.

[0031] The surfaces of the pressure rollers are made of an elastic material. Specifically, the surfaces of the front and rear pressure rollers 31 and 32 are made of rubber. The rubber pressure rollers evenly distribute pressure during compaction, while compensating for errors caused by uneven fabric thickness or machine vibration, ensuring the smoothness and precision of the cut edges. In other embodiments, the surfaces of the front and rear pressure rollers can also be rigid.

[0032] The longitudinal slitting mechanism is used to cut the fabric along the length direction, so that the fabric is divided into strips in the width direction. The longitudinal slitting mechanism includes a slitting knife 41 and a pneumatic drive device. The number of slitting knives 41 can be set as needed, and the slitting knives 41 are spaced apart from each other along the width direction of the fabric. The longitudinal slitting can be achieved by adjusting the switch of the pneumatic drive device to press down or lift the slitting knife 41. The position of the slitting knife 41 can be adjusted according to the required width of the fabric section. The slitting knife 41 is located between the front traction roller group and the rear traction roller group, and cuts the fabric between the front traction roller group and the rear traction roller group. The fabric tension here is large and flat, which is conducive to cutting and makes the cut edge of the fabric flat. In other embodiments, only one traction roller group can be provided.

[0033] The cross-cutting mechanism is located downstream of the buffer mechanism, the longitudinal slitting mechanism is located upstream of the cross-cutting mechanism along the fabric conveying direction, the cross-cutting mechanism is located on the rear side of the rear pressure roller 32, and the fabric enters the cross-cutting mechanism after passing through the rear pressure roller 32. The material rewinding mechanism is located below the cross-cutting mechanism, and the height of the rewinding roller of the material rewinding mechanism is lower than the material receiving table. When the material receiving table is in use, it is blocked at the rear side of the material rewinding mechanism, and the material receiving table is lower than the cross-cutting mechanism.

[0034] The crosscutting mechanism comprises a crosscutting blade 51, a pressure plate 52, a support plate, a cylinder, and a motor. The pressure plate 52 and the support plate face each other vertically, with the fabric passing between them. Pressure plates 52 and support plates are located on either side of the crosscutting blade 51 along the fabric feed direction, forming a cloth-holding structure. A passage is formed between the two sides of the cloth-holding structure to avoid the crosscutting blade 51. After the fabric is unwound to the set length, the cylinder drives the pressure plate 52 downward, cooperating with the support plate to press the fabric. The motor drives the crosscutting blade 51 to move along the width of the fabric to cut the fabric transversely. The crosscutting mechanism is activated to cut the fabric transversely at every set length.

[0035] The static electricity removal device is used to remove static electricity from the surface of the cloth. The static electricity removal device is equipped with multiple static electricity removal bars 61 on the entire frame 200. A static electricity removal bar is provided between the front pressure roller 31 and the buffer roller 21, and a static electricity removal bar is provided between the rear pressure roller 32 and the pressure plate 52. A static electricity removal bar is provided downstream of the pressure plate 52. The cloth bypasses the static electricity removal bars to avoid accumulation of the cloth due to electrostatic adsorption.

[0036] When in use, connect the external power supply and compressed air, install the cloth roll 100 on the unwinding roller 11, then start the unwinding motor 12, manually draw out the cloth and pull it up and down along each buffer roller 21. Then, lift the front and rear pressure rollers 32 to drive the cylinder, lift the slitting knife 41, lift the pressure plate 52, and pull the cloth smoothly through the front pressure roller 31, the rear pressure roller 32 and the pressure plate 52, and then lower the pressure rollers.

[0037] The desired fabric length is set on controller 90, the position of slitting blade 41 is adjusted, the desired fabric width is determined, and slitting blade 41 is pressed downward. Cutting is initiated, and unwinding motor 12 begins to convey the fabric forward. The buffer mechanism controls the tension during unwinding by sliding buffer roller 21 up and down. The front and rear pressure rollers activate, pulling the fabric forward to begin unwinding, while slitting blade 41 simultaneously cuts the fabric. Once the fabric has been unwound to the desired length, pressure plate 52 automatically presses down, compressing the fabric. This automatically activates crosscutting blade 51, which begins sliding and crosscutting the fabric. Short sections of fabric, after crosscutting, fall onto receiving platform 70 and move backward along conveyor belt 71 for automatic rewinding. Longer sections of fabric can be manually pulled onto rewinding roller 81, which activates rewinding motor 82 and initiates automatic rewinding. After crosscutting, the next section of fabric is automatically conveyed forward, enabling continuous operation.

[0038] The receiving platform 70 automatically collects and transfers short lengths of fabric, eliminating the need for manual assistance. The take-up roller 81 automatically rewinds long lengths of fabric, improving rewinding efficiency. Long lengths of fabric must be long enough to fit between the cross-cutting position and the take-up roller 81, ensuring rewinding. Shorter lengths of fabric that are not long enough to fit between the cross-cutting position and the take-up roller 81 are received by the receiving platform 70.

[0039] By integrating the buffer mechanism with the traction mechanism, longitudinal slitting mechanism, and transverse cutting mechanism, automatic fabric deviation correction and counting are achieved, ensuring the precise size of the cut fabric. This system automatically conveys, secures, and cuts the fabric, making it suitable for cutting fiberglass cloth. This ensures a smooth cutting process and precise dimensions, avoiding uneven cutting caused by stretching or deformation of the fabric during the cutting process.

[0040] The slitting blade 41 and cross-cutting blade 51 are characterized by high strength, high hardness, and high wear resistance. The unwinding motor 12 works in conjunction with the buffer mechanism to ensure the continuity of the fabric cutting operation. The unwinding and rewinding tensions are adjustable and controllable, ensuring consistent fabric tension during the cutting process and avoiding wrinkles caused by the rewinding process. An anti-static rod 61 is installed before the traction roller and after the cross-cutting blade 51 to remove static electricity generated by friction between the fiberglass cloth and the traction roller, preventing problems such as wrinkles and foreign matter absorption caused by static electricity in the fiberglass cloth.

[0041] This automatic fabric cutting device is a horizontal slitting device with unwinding, buffering, slitting, cross-cutting, rewinding, and rewinding functions. The unwinding mechanism can bear a load of over 1 ton and can automatically unwind larger fabrics. It can simultaneously perform slitting and cross-cutting operations, rewind longer fabrics, and automatically rewind shorter fabrics, reducing labor intensity, improving cutting efficiency, and minimizing fabric waste.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments without inventive effort, or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An automatic cloth cutting device, comprising a frame, an unwinding mechanism for mounting and unwinding rolled cloth, and a cross-cutting mechanism for cutting the cloth transversely, wherein: The automatic cloth cutting device includes a removable material receiving table and a material receiving and rewinding mechanism. The removable material receiving table is independently arranged on the frame. The material receiving and rewinding mechanism is installed on the frame and has a rewinding roller. The removable material receiving table has a removed state in which it is moved away from the frame to allow the material receiving and rewinding mechanism to rewind the cloth whose cutting length is greater than the set length through the rewinding roller. The removable material receiving table also has a material receiving state close to the frame for receiving the cloth whose cutting length is less than the set length.

2. The automatic cloth cutting device according to claim 1, characterized in that: The removable material receiving platform includes a platform, a conveyor belt installed on the top of the platform, and a receiving tray located on the side of the conveyor belt discharge end. The conveyor belt is used to receive the fabric and send the fabric to the receiving tray when the removable material receiving platform is in the material receiving state.

3. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The bottom of the removable material receiving table is equipped with rollers and height-adjustable feet.

4. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The cross-cutting mechanism includes a cross-cutting knife and a cloth pressing structure located on both sides of the cross-cutting knife along the cloth conveying direction. The cloth pressing structure is used to press the cloth when cutting the cloth transversely.

5. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The automatic cloth cutting device comprises a longitudinal cutting mechanism for cutting the cloth along the length direction, and the longitudinal cutting mechanism is located upstream of the transverse cutting mechanism along the cloth conveying direction.

6. The automatic cloth cutting device according to claim 5, characterized in that: The automatic cloth cutting device includes a traction mechanism, which includes a front traction roller group and a rear traction roller group. Each traction roller group has a pair of pressure rollers for clamping and driving the cloth to move. The longitudinal slitting mechanism includes a slitting knife located between the front traction roller group and the rear traction roller group.

7. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The automatic cloth cutting device comprises a traction roller group, which has a pair of pressure rollers for clamping and driving the cloth to move, and the surfaces of the pressure rollers are made of elastic material.

8. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The automatic cloth cutting device comprises a buffer mechanism, which comprises two or more buffer rollers for winding cloth, an unwinding mechanism is located upstream of the buffer mechanism, and a transverse cutting mechanism is located downstream of the buffer mechanism.

9. The automatic cloth cutting device according to claim 8, characterized in that: At least one buffer roller is a radially floating roller.

10. The automatic cloth cutting device according to claim 1 or 2, characterized in that: The unwinding mechanism includes an unwinding roller and an unwinding motor for driving the unwinding roller to rotate.

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