Fabric cutting method

Abstract

The invention relates to a fabric cutting method which comprises the specific steps that a film roll is supported on a film covering frame, in the process that a material to be cut is conveyed towards a discharging conveying belt through a feeding conveying belt, a film on the film roll is opened and covers the material to be cut to form a film covering material, the film covering material is cut into material blocks with the set size after reaching a cutting knife, and the material blocks are placed in a film covering frame. Material blocks reach the discharging conveying belt to be output, and materials to be cut are vacuumized by the hollow compression mechanism to be flattened when passing through the cutting knife, so that notches are neat during cutting. The fluffy fabric cutting bed has the advantage of being high in precision when cutting fluffy fabric, and the problem that an existing cutting bed is low in precision when cutting fluffy fabric is solved.

Description

Technical Field

[0001] The invention relates to the technical field of cloth cutting, in particular to a fabric cutting method with a pressure-maintaining mechanism. Background Art

[0002] In production and life, fluffy fabrics need to be cut. When cutting fluffy fabrics, due to their fluffiness, there is a disadvantage of poor cutting accuracy. In addition, in existing equipment, the drive motor and the operating table are arranged on both sides of the frame, and it is not possible to operate on any side as needed. Summary of the invention

[0003] The invention provides a fabric cutting method with high precision when cutting fluffy fabrics, which solves the problem of low precision when cutting fluffy fabrics on an existing cutting table.

[0004] The above technical problems are solved by the following technical solutions: a fabric cutting method, characterized in that it is implemented by a cutting bed, the cutting includes a frame, the frame is provided with a loading conveyor belt, a unloading conveyor belt docked at the unloading end of the loading conveyor belt, a film covering frame arranged at the loading end of the loading conveyor belt, a cutting knife for cutting the material covered with a film on the loading conveyor belt, a pressure maintaining structure for maintaining pressure on the parts of the material located on both sides of the cutting knife along the material conveying direction, and an adsorption system for vacuuming the material located on the loading conveyor belt, the adsorption system includes an exhaust fan, an air intake structure connected to the inlet end of the exhaust fan and an exhaust main pipe connected to the outlet end of the exhaust fan, the air intake structure includes an upper end closed by the feeding end conveyor belt The air inlet chamber and the air inlet pipe connecting the air inlet chamber and the inlet end of the exhaust fan, the pressure-maintaining structure includes a front sealing plate for sealing the part of the material on the feeding conveyor belt located in front of the cutting knife and a rear sealing plate for sealing the part of the material on the feeding conveyor belt located behind the cutting knife; the cutting process is as follows: the film roll is supported on the film-covering frame, and the film on the film roll is opened and covers the material to be cut to form a film-covered material during the process of the material to be cut from the feeding conveyor belt to the unloading conveyor belt. After the film-covered material reaches the cutting knife, it is cut into material blocks of a set size, and the material blocks reach the unloading conveyor belt and are output. When the material to be cut passes through the cutting knife, it is vacuumed and flattened by the hollow compression mechanism, so that the incision is neat during cutting. The maintenance structure is set so that the leakage area is large after being cut, resulting in poor vacuum compression effect.

[0005] Preferably, the front sealing plate comprises a front left connecting frame, a front right connecting frame, a front transverse pressing shaft whose two ends are respectively connected to the front left connecting frame and the front right connecting frame in the front-back direction, and a front annular flexible sealing sleeve which is simultaneously sleeved on the two front transverse pressing shafts, the front annular flexible sealing sleeve is pressed by the front transverse pressing shaft on the material on the feeding conveyor belt to seal the material, and the front left connecting frame and the front right connecting frame are connected together with the cutting knife; the rear sealing plate comprises a rear left connecting frame, a rear right connecting frame, a rear transverse pressing shaft whose two ends are respectively connected to the rear left connecting frame and the rear right connecting frame in the front-back direction, and a rear annular flexible sealing sleeve which is simultaneously sleeved on the two rear transverse pressing shafts, the rear annular flexible sealing sleeve is pressed by the rear transverse pressing shaft on the material on the feeding conveyor belt to seal the material, and the rear left connecting frame and the rear right connecting frame are connected together with the cutting knife. When in use, the front and rear annular winding sealing sleeves are pressed on the material to be cut to prevent air leakage and maintain pressure. It is convenient to maintain pressure.

[0006] Preferably, the front transverse pressing shaft tensions the front annular flexible sealing sleeve, and the rear transverse pressing shaft tensions the rear annular flexible sealing sleeve, so that the sealing effect is good.

[0007] Preferably, the rear annular flexible sealing sleeve and the front annular flexible sealing sleeve are both membrane structures, which are flexible and light.

[0008] Preferably, the film is a plastic film with good strength.

[0009] Preferably, the rear left connecting frame and the front left connecting frame are connected to the cutting knife through a left lifting mechanism, and the rear right connecting frame and the front right connecting frame are connected to the cutting knife through a right lifting mechanism. When in use, the height of the pressing plate is adjusted according to the thickness of the material to be cut, so that the sealing and pressure maintenance can be performed reliably.

[0010] Preferably, the two ends of the front horizontal pressing shaft are rotatably connected to the front left connecting frame and the front right connecting frame, and the two ends of the rear horizontal pressing shaft are rotatably connected to the rear left connecting frame and the rear right connecting frame, which can further reduce the resistance of the pressure-maintaining mechanism to the material when it moves forward.

[0011] Preferably, the front pressing shaft comprises a front roller and two front axle heads rotatably connected to the two ends of the front roller, and the two front axle heads are fixed to the front left connecting frame and the front right connecting frame in a one-to-one correspondence; the rear pressing shaft comprises a rear roller and two rear axle heads rotatably connected to the two ends of the rear roller, and the two rear axle heads are fixed to the rear left connecting frame and the rear right connecting frame in a one-to-one correspondence. A technical solution for rotatably connecting the horizontal pressing shaft to the connecting frame is provided.

[0012] Preferably, it also includes a control console, both sides of the width of the rack are provided with control console interfaces for connecting to the control console, the control console is detachably connected to one of the control console interfaces, the exhaust manifold includes an air inlet section and an air outlet section, the air outlet section extends from one end of the width direction of the rack to the other end, the air inlet section is connected to the middle of the air outlet section, both ends of the air outlet section can be detachably connected to the air outlet pipe cover plate or the exhaust pipe, the air outlet pipe cover plate and the exhaust pipe are each connected to one end of the air outlet section, the motor driving the loading conveyor belt, the motor driving the unloading conveyor belt and the exhaust fan are all located below the rack. It is possible to selectively use both sides of the rack as the operating side. The existing one can only be used on one side, and the motor will interfere with the operating table when it is used on both sides.

[0013] Preferably, the air outlet section includes an air outlet section end ring, an air outlet section outer tube and an air outlet section inner tube inserted in the air outlet section outer tube, an air outlet section filling channel is formed between the air outlet section outer tube and the air outlet section inner tube, the air outlet section filling channel is filled with air outlet section suction cotton, the air outlet section inner tube is provided with a plurality of air outlet section inner tube meshes, there are two air outlet section end rings, the two air outlet section end rings are correspondingly closed at both ends of the air outlet section filling channel, an air inlet is provided in the middle of the air outlet section inner tube, the air inlet section passes through the air outlet section inner tube and outer tube and is docked with the air inlet. The noise generated during vacuum exhaust can be reduced, and the exhaust pipe can be connected to one end of the air outlet section and the other end can be closed as needed, so that the cutting bed with the present invention can better adapt to the use of different spaces without interfering with the installation of the exhaust pipe.

[0014] Preferably, the outer circumferential surface of the inner tube of the air outlet section is provided with a plurality of inner tube reflection rings distributed along the extension direction of the inner tube of the air outlet section, the inner tube reflection rings of the air outlet section extend along the circumferential direction of the inner tube of the air outlet section, the inner tube reflection rings of the air outlet section are provided with a plurality of inner tube sound transmission holes of the air outlet section, and the inner tube sound transmission holes of the air outlet section pass through the inner tube reflection rings of the air outlet section, so as to increase the noise rebound area and improve the silencing effect.

[0015] Preferably, the two end faces of the reflection ring of the inner tube of the air outlet section are both conical faces with one end larger and the other end smaller towards the air inlet, so as to achieve better silencing effect.

[0016] Preferably, the outlet section inner tube and the outlet section outer tube are both circular tubes, and the outlet section inner tube sound transmission holes on adjacent outlet section inner tube reflection rings are staggered along the radial direction of the outlet section inner tube. When the wave crest and trough arching direction of the sound wave is the circumferential direction of the outlet section inner tube, it can be interrupted and disturbed by the outlet section tube wall; when the wave crest and trough arching direction of the sound wave is the radial direction of the outlet section inner tube, it is disturbed by the outlet section inner tube sound transmission holes, thereby improving the noise reduction effect.

[0017] Preferably, an isolation plate is provided in the air inlet chamber, the isolation plate isolates the air inlet cavity in the air inlet chamber, the isolation plate is provided with an isolation plate filter hole, the inlet end of the air inlet pipe is located in the air inlet cavity, the air inlet cavity is provided with a filter cover connected to the inlet end of the air inlet pipe, the filter cover is provided with a filter hole of the filter cover, the aperture of the filter hole of the filter cover is smaller than the aperture of the filter hole of the isolation plate, the filter cover is a tubular structure, one end of the filter cover is provided with an end cap, and the other end is connected to the inlet end of the air inlet pipe. When in use, the material delivered by the feeding end is vacuumed and compressed, and the vacuumed airflow flows through the air inlet chamber, the air inlet cavity, and the filter cover in turn to reach the air inlet pipe, and the chips generated by cutting on the cutting table that are sucked in during hollowing are filtered and blocked by the isolation plate filter holes and the filter cover filter holes in turn, thereby avoiding entering the exhaust fan and being discharged to damage the equipment and pollute the air.

[0018] Preferably, a filter cover disassembly hole is provided on the wall of the air inlet cavity, and the end cover is detachably connected to the filter cover disassembly hole to close the isolation cover disassembly hole. When the filter cover needs to be cleaned, the end cover is detached from the filter cover disassembly hole, and then the filter cover is removed. It is convenient to maintain the filter cover.

[0019] Preferably, the air inlet cavity is provided with a tubular section, one end of which forms the filter cover disassembly hole, and the filter cover is inserted into the tubular section, so that the airflow can be gathered into the air inlet pipe.

[0020] Preferably, the feeding conveyor belt includes a driven drive shaft arranged on a frame, an active drive shaft, a power assembly driving the active drive shaft to rotate, two annular drive cables connected at both ends of the driven drive shaft and the active drive shaft, a felt connecting beam with both ends connected to the two drive cables, and a plurality of bed felts detachably suspended on the felt connecting beam, the bed felts on the same felt connecting beam are distributed along the extension direction of the felt connecting beam, the felt connecting beams are distributed along the extension direction of the drive cables, and all the bed felts are spliced ​​together to form a supporting surface for supporting the material to be cut. The bed felt is detachably connected and can be easily replaced.

[0021] Preferably, the felt connecting beam is provided with two hanging grooves distributed along the width direction of the felt connecting beam, and the bed felt is provided with hanging hooks correspondingly hung in the two hanging grooves, and the hanging grooves pass through the end surface of the felt connecting beam. By hooking the hanging hooks in the hanging grooves, the bed felt is detachably connected to the felt connecting beam, which is convenient for connection.

[0022] Preferably, the felt connecting beam is provided with a plurality of air holes to improve air permeability.

[0023] Preferably, a ventilation groove is provided on the surface of the bed felt on the side where the hanging hook is arranged, corresponding to the position of the hanging hook, so as to further improve the air permeability.

[0024] Preferably, both ends of the felt connecting beam are detachably connected with connecting beam block for preventing the bed felt from falling off the felt connecting beam, so the connection reliability is good.

[0025] Preferably, the felt connecting beam is a profile structure, which is convenient for batch production.

[0026] Preferably, the felt connecting beam comprises a connecting beam top plate, the connecting beam top plate is provided with connecting beam lower flanges on both sides, the lower end of the connecting beam lower flange is provided with a connecting beam outer flange, the end of the connecting beam outer flange away from the connecting beam lower flange is provided with a connecting beam upper flange, the upper end of the connecting beam upper flange is provided with a connecting beam inner flange, the connecting beam inner flange and the connecting beam lower flange form the notch of the hanging groove, which saves materials and has good structural strength.

[0027] Preferably, both ends of the felt connecting beam are connected with connecting beam blocks that prevent the bed felt from falling off the felt connecting beam. The connecting beam blocks include a block support base plate and a block baffle connected to the upper surface of the block support base plate facing one end of the bed felt. The block support base plate is provided with two baffle support feet that are correspondingly inserted into the notches of the two suspension grooves and supported on the outer flange of the connecting beam. The block base plate is threadedly connected to the outer flange of the block base plate and fixed to the felt connecting beam after the baffle bolts pass through the notches of the block base plate and the suspension groove.

[0028] The two ends of the felt connecting beam are connected to a connecting beam part block to prevent the bed body felt from falling off the felt connecting beam. The connecting beam part block comprises a block part supporting base plate and a block part baffle connected to the upper surface of the block part supporting base plate facing the bed body felt. The block part supporting base plate is provided with two baffle part supporting feet which are respectively passed through the notches of the two hanging grooves and supported on the outer flange of the connecting beam part. The driving rope is a chain, and the driven driving shaft and the active driving shaft are both provided with a sprocket of the driving chain. The two ends of the felt connecting beam are provided with connecting beam fixing blocks, and the block part bottom plate is threadedly connected to the connecting beam fixing block after passing through the block part bottom plate, the notch of the hanging groove and the outer flange of the block part by baffle part bolts and is fixed together with the felt connecting beam, and the two link joints of the chain are passed through the connecting beam fixing block to realize the connection between the chain and the connecting beam fixing block.

[0029] Preferably, the driving rope is a chain, the driven driving shaft and the active driving shaft are both provided with sprockets for driving the chain, both ends of the felt connecting beam are connected to connecting beam fixing blocks, and the two links of the chain are passed through the connecting beam fixing blocks to realize the connection between the chain and the connecting beam fixing blocks.

[0030] The present invention has the following beneficial effects: it can seal and maintain pressure after the fabric is cut to maintain the adsorption and flattening effect, thereby avoiding explosion and improving the precision of subsequent cutting; it can be done on both sides; and the felt is convenient to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the three-dimensional structure of the cutting table from one perspective; Figure 2 for Figure 1 A local enlarged schematic diagram of point A; Figure 3 for Figure 2 A local enlarged schematic diagram of point B; Figure 4 It is a schematic diagram of the three-dimensional structure when the bottom of the cutting table is facing upward; Figure 5 is a schematic diagram of an exhaust manifold; Figure 6 It is a schematic diagram of the inner tube of the air outlet section; Figure 7 for Figure 6 A local enlarged schematic diagram of D; Figure 8 is a schematic diagram of a filter cover; Fig. 9 This is a schematic diagram of the cutting machine when part of the wall of the air intake chamber is removed to open the air intake chamber; Fig.10 for Fig. 9 A local enlarged schematic diagram of point E; Fig.11 This is a schematic diagram of the three-dimensional structure of the cutting table from another angle; Fig.12 for Fig.11 A local enlarged schematic diagram of F; Fig.13 for Fig.11 A local enlarged schematic diagram of G; Fig.14 It is a schematic diagram of the three-dimensional structure of the bed felt.

[0032] In the figure: frame 1, feeding conveyor belt 2, cutting knife 3, front sealing plate 4, rear sealing plate 5, front right connecting frame 6, front horizontal pressing shaft 7, front annular flexible sealing sleeve 8, front roller 9, front shaft head 10, rear left connecting frame 11, rear right connecting frame 12, rear horizontal pressing shaft 13, rear annular flexible sealing sleeve 14, rear roller 15, rear shaft head 16, left lifting mechanism 17, right lifting mechanism 18, laminating frame 19, control console 20, exhaust pipe 31, unloading conveyor belt 32, exhaust fan 33, exhaust main pipe 34, air inlet main chamber 35, air inlet pipe 36, air inlet section 37, air outlet section 38, air outlet section outer pipe 39, air outlet section inner pipe 40, air outlet section filling channel 41, air outlet section inner pipe mesh 52, air inlet hole 42, air outlet section inner pipe Reflection ring 43, sound transmission hole 44 in the inner tube of the air outlet section, isolation plate 45, air inlet chamber 46, filter hole 47 in the isolation plate, filter cover 48, filter hole 49 in the filter cover, end cover 50, tubular section 51, driven drive shaft 51, active drive shaft 52, annular drive cable 53, felt connecting beam 54, bed felt 55, hanging groove 56, hanging hook 57, air hole 58, air groove 59, connecting beam block 60, connecting beam top plate 61, connecting beam lower flange 62, connecting beam outer flange 63, connecting beam upper flange 64, connecting beam inner flange 65, notch 66 of hanging groove, block support bottom plate 67, block block baffle 68, baffle support foot 69, baffle bolt 70, sprocket 71, connecting beam fixing block 72. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 14 A fabric cutting method is completed by a cutting bed, which includes a frame 1. The frame is provided with a feeding conveyor belt 2, a feeding conveyor belt 32 docked at the feeding end of the feeding conveyor belt, a film covering frame 19 arranged at the feeding end of the feeding conveyor belt, a cutting knife 3 for cutting the material covered with a film on the feeding conveyor belt, a pressure-maintaining structure for maintaining pressure on the parts of the material located on both sides of the cutting knife along the material conveying direction, and an adsorption system for vacuuming the material on the feeding conveyor belt.

[0035] The pressure-maintaining structure includes a front sealing plate 4 for sealing the portion of the material on the feeding conveyor belt located in front of the cutting blade and a rear sealing plate 5 for sealing the portion of the material on the feeding conveyor belt located behind the cutting blade. When in use, the material to be cut is vacuumed and flattened by the hollow compression mechanism when passing through the cutting blade, so that the cut is neat. Setting the pressure-maintaining structure can improve the poor vacuum compression effect caused by the large leakage area after cutting.

[0036] The front sealing plate includes a front left connecting frame, a front right connecting frame 6, two front transverse pressing shafts 7 whose two ends are respectively connected to the front left connecting frame and the front right connecting frame along the front-back direction, and a front annular flexible sealing sleeve 8 which is simultaneously sleeved on the two front transverse pressing shafts. The front annular flexible sealing sleeve is pressed by the front transverse pressing shafts on the material on the feeding conveyor belt to seal the material. The front left connecting frame and the front right connecting frame are connected to the cutting knife. The two front transverse pressing shafts tension the front annular flexible sealing sleeve. The front annular flexible sealing sleeve is a membrane structure, specifically a plastic film. The front pressing shaft includes a front roller 9 and two front shaft heads 10 which are rotatably connected to the two ends of the front roller. The two front shaft heads are fixed to the front left connecting frame and the front right connecting frame one by one, so that the two ends of the front transverse pressing shaft are rotatably connected to the front left connecting frame and the front right connecting frame. The rear sealing plate includes a rear left connecting frame 11, a rear right connecting frame 12, two rear transverse pressing shafts 13 whose two ends are respectively connected to the rear left connecting frame and the rear right connecting frame in the front-back direction, and a rear annular flexible sealing sleeve 14 which is simultaneously sleeved on the two rear transverse pressing shafts. The rear annular flexible sealing sleeve is pressed on the material on the feeding conveyor belt by the two rear transverse pressing shafts to seal the material. The rear left connecting frame and the rear right connecting frame are connected to the cutting knife. The two rear transverse pressing shafts tension the rear annular flexible sealing sleeve. Both the rear annular flexible sealing sleeve and the front annular flexible sealing sleeve are membrane structures, specifically plastic films. The rear pressing shaft includes a rear roller 15 and two rear axle heads 16 which are rotatably connected to the two ends of the rear roller. The two rear axle heads are fixed to the rear left connecting frame and the rear right connecting frame one by one, so that the two ends of the rear transverse pressing shaft are rotatably connected to the rear left connecting frame and the rear right connecting frame. The rear left connecting frame and the front left connecting frame are connected to the cutting knife through a left lifting mechanism 17 (specifically a cylinder), and the rear right connecting frame and the front right connecting frame are connected to the cutting knife through a right lifting mechanism 18 (specifically a cylinder).

[0037] When in use, the front and rear annular winding sealing sleeves are pressed onto the material to be cut to prevent air leakage and maintain pressure.

[0038] The adsorption system includes an exhaust fan 33, an air intake structure connected to the inlet end of the exhaust fan, and an exhaust main pipe 34 connected to the outlet end of the exhaust fan. The exhaust fan is located below the frame. The air intake structure includes an air intake chamber 35 whose upper end is closed by a conveyor belt at the feeding end, and an air intake pipe 36 connecting the air intake chamber and the inlet end of the exhaust fan. The exhaust main pipe includes an air intake section 37 and an air outlet section 38, and the air outlet section extends from one end to the other end in the width direction of the frame. The air intake section is connected to the middle of the air outlet section, and the air intake section connects the outlet end of the exhaust fan and the air outlet section. Both ends of the air outlet section can be detachably connected to the air outlet pipe cover plate or the exhaust pipe 31, and the air outlet pipe cover plate and the exhaust pipe are respectively connected to one end of the air outlet section, so that the exhaust pipe can be selectively connected to one side in the width direction of the frame. It can vacuum adsorb and flatten the material, so that the cut is neat during cutting. The exhaust pipe can be connected to either side of the frame according to the installation site to avoid interference.

[0039] The air outlet section includes an air outlet section end ring, an air outlet section outer tube 39 and an air outlet section inner tube 40 inserted in the air outlet section outer tube, and an air outlet section filling channel 41 is formed between the air outlet section outer tube and the air outlet section inner tube. The air outlet section filling channel is filled with air outlet section suction cotton. The air outlet section inner tube is provided with a plurality of air outlet section inner tube meshes 52, and there are two air outlet section end rings, and the two air outlet section end rings are closed at both ends of the air outlet section filling channel one by one. An air inlet hole 42 is provided in the middle of the air outlet section inner tube, and the air inlet section is connected to the air inlet hole after passing through the air outlet section inner tube outer tube. A plurality of outlet section inner tube reflection rings 43 are provided on the outer circumferential surface of the outlet section inner tube, which are distributed along the extension direction of the outlet section inner tube. The outlet section inner tube reflection rings extend along the circumference of the outlet section inner tube. A plurality of outlet section inner tube sound transmission holes 44 are provided on the outlet section inner tube reflection rings, which penetrate the outlet section inner tube sound transmission holes. Both end faces of the outlet section inner tube reflection rings are conical surfaces with one end larger and the other end smaller facing the air inlet. The outlet section inner tube and the outlet section outer tube are both circular tubes, and the outlet section inner tube sound transmission holes on adjacent outlet section inner tube reflection rings are staggered along the radial direction of the outlet section inner tube.

[0040] An isolation plate 45 is provided in the air inlet chamber, and the isolation plate isolates an air inlet cavity 46 in the air inlet chamber. The isolation plate is provided with an isolation plate filter hole 47. The inlet end of the air inlet pipe is located in the air inlet cavity. The air inlet cavity is provided with a filter cover 48 connected to the inlet end of the air inlet pipe. The filter cover is provided with a filter cover filter hole 49. The aperture of the filter cover filter hole is smaller than the aperture of the isolation plate filter hole. The filter cover is a tubular structure. One end of the filter cover is provided with an end cap 50, and the other end is connected to the inlet end of the air inlet pipe. When in use, the material delivered by the feeding end is vacuumed and compressed. The vacuumed airflow flows through the air inlet chamber, the air inlet cavity, and the filter cover in turn to reach the air inlet pipe. The scraps generated by the cutting of the cutting bed sucked in during the hollowing are filtered and blocked by the isolation plate filter hole and the filter cover filter hole in turn, thereby avoiding entering the exhaust fan and being discharged to damage the equipment and pollute the air.

[0041] The wall of the air inlet cavity is provided with a filter cover disassembly hole, and the end cover is detachably connected to the filter cover disassembly hole to close the isolation cover disassembly hole. The air inlet cavity is provided with a pipe section 51, one end of which forms the filter cover disassembly hole, and the filter cover is inserted into the pipe section.

[0042] It also includes a console 20. Both sides of the width of the frame are provided with console interfaces for connecting to the console. The console is detachably connected to one of the console interfaces. The air outlet pipe cover and the exhaust pipe are respectively connected to one end of the air outlet section. The motor driving the loading conveyor belt, the motor driving the unloading conveyor belt and the exhaust fan are all located below the frame.

[0043] The feeding conveyor belt includes a driven drive shaft 51 arranged on a frame, an active drive shaft 52, a power assembly for driving the active drive shaft to rotate, two annular drive cables 53 connected at both ends of the driven drive shaft and the active drive shaft, a felt connecting beam 54 connected at both ends to the two drive cables, and a plurality of bed felts 55 detachably suspended on the felt connecting beam, and the bed felts on the same felt connecting beam are distributed along the extension direction of the felt connecting beam. The felt connecting beam is distributed along the extension direction of the drive cable, and all the bed felts are spliced ​​together to form a supporting surface for supporting the material to be cut. The felt connecting beam is provided with two hanging grooves 56 distributed along the width direction of the felt connecting beam, and the bed felt is provided with hanging hooks 57 correspondingly suspended in the two hanging grooves, and the hanging grooves pass through the end face of the felt connecting beam. The felt connecting beam is provided with a plurality of air holes 58. A ventilation groove 59 is provided on the surface of the bed felt on the side where the hanging hook is set at the position corresponding to the hanging hook. The two ends of the felt connecting beam are detachably connected with connecting beam block 60 for preventing the bed felt from falling off the felt connecting beam. The felt connecting beam is a profile structure. The felt connecting beam comprises a connecting beam top plate 61, two sides of the connecting beam top plate are provided with connecting beam lower flanges 62, the lower end of the connecting beam lower flange is provided with a connecting beam outer flange 63, the end of the connecting beam outer flange away from the connecting beam lower flange is provided with a connecting beam upper flange 64, the upper end of the connecting beam upper flange is provided with a connecting beam inner flange 65, and the connecting beam inner flange and the connecting beam lower flange form a notch 66 of the hanging groove. The connecting beam block includes a block support base plate 67 and a block baffle 68 connected to the upper surface of the block support base plate facing the felt end of the bed. The block support base plate is provided with two baffle support feet 69 which are arranged in the notches of the two hanging grooves and supported on the outer flange of the connecting beam. The block base plate is threadedly connected to the outer flange of the block after passing through the notches of the block base plate and the hanging groove by a baffle bolt 70 and is fixed to the felt connecting beam. The driving cable is a chain, and a sprocket 71 of the driving chain is arranged on the driven driving shaft and the active driving shaft. Connecting beam fixing blocks 72 are arranged at both ends of the felt connecting beam. The block base plate is threadedly connected to the connecting beam fixing block after passing through the notches of the block base plate, the hanging groove and the outer flange of the block by a baffle bolt and is fixed to the felt connecting beam. The two links of the chain are arranged on the connecting beam fixing block to realize the connection between the chain and the connecting beam fixing block. Two links of the chain are passed through the connecting beam fixing block to realize the connection between the chain and the connecting beam fixing block.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fabric cutting method, characterized in that: The cutting is achieved by a cutting bed, and the cutting includes a frame, the frame is provided with a loading conveyor belt, a unloading conveyor belt docked at the unloading end of the loading conveyor belt, a film covering frame arranged at the loading end of the loading conveyor belt, a cutting knife for cutting the material covered with a film on the loading conveyor belt, a pressure maintaining structure for maintaining pressure on the parts of the material located on both sides of the cutting knife along the material conveying direction, and an adsorption system for vacuuming the material located on the loading conveyor belt, the adsorption system includes an exhaust fan, an air intake structure connected to the inlet end of the exhaust fan and an exhaust main pipe connected to the outlet end of the exhaust fan, the air intake structure includes an air intake chamber whose upper end is closed by the loading end conveyor belt and a connecting air intake chamber and the exhaust fan. The air inlet pipe at the inlet end, the pressure-maintaining structure includes a front sealing plate for sealing the part of the material on the feeding conveyor belt located in front of the cutting knife and a rear sealing plate for sealing the part of the material on the feeding conveyor belt located behind the cutting knife; the cutting process is as follows: the film roll is supported on the film coating frame, and the film on the film roll is opened and covered on the material to be cut to form a coated material during the process of the material to be cut through the feeding conveyor belt to the unloading conveyor belt. After the coated material reaches the cutting knife, it is cut into material blocks of a set size, and the material blocks reach the unloading conveyor belt and are output. When the material to be cut passes through the cutting knife, it is vacuumed by the hollow compression mechanism and flattened, so that the incision is neat during cutting.

2. A fabric cutting method according to claim 1, characterized in that: The front sealing plate comprises a front left connecting frame, a front right connecting frame, two front transverse pressing shafts at two ends distributed along the front and rear directions respectively connected to the front left connecting frame and the front right connecting frame, and a front annular flexible sealing sleeve simultaneously sleeved on the two front transverse pressing shafts, the front annular flexible sealing sleeve is pressed on the material on the feeding conveyor belt by the front transverse pressing shaft to seal the material, the front left connecting frame and the front right connecting frame are connected together with the cutting knife; the rear sealing plate comprises a rear left connecting frame, a rear right connecting frame, two rear transverse pressing shafts at two ends distributed along the front and rear directions respectively connected to the rear left connecting frame and the rear right connecting frame, and a rear annular flexible sealing sleeve simultaneously sleeved on the two rear transverse pressing shafts, the rear annular flexible sealing sleeve is pressed on the material on the feeding conveyor belt by the rear transverse pressing shaft to seal the material, the rear left connecting frame and the rear right connecting frame are connected together with the cutting knife, the front transverse pressing shaft tensions the front annular flexible sealing sleeve, and the rear transverse pressing shaft tensions the rear annular flexible sealing sleeve.

3. A fabric cutting method according to claim 2, characterized in that: The rear left connecting frame and the front left connecting frame are connected to the cutting knife through a left lifting mechanism, and the rear right connecting frame and the front right connecting frame are connected to the cutting knife through a right lifting mechanism.

4. A fabric cutting method according to claim 1, characterized in that: It also includes a console, and console interfaces for connecting to the console are provided on both sides of the width of the frame, and the console is detachably connected to one of the console interfaces. The exhaust manifold includes an air inlet section and an air outlet section, and the air outlet section extends from one end of the width direction of the frame to the other end, and the air inlet section is connected to the middle of the air outlet section. Both ends of the air outlet section can be detachably connected to the air outlet pipe cover plate or the exhaust pipe, and the air outlet pipe cover plate and the exhaust pipe are respectively connected to one end of the air outlet section, and the motor for driving the loading conveyor belt, the motor for driving the unloading conveyor belt, and the exhaust fan are all located below the frame.

5. A fabric cutting method according to claim 4, characterized in that: The air outlet section includes an air outlet section end ring, an air outlet section outer tube and an air outlet section inner tube inserted in the air outlet section outer tube, an air outlet section filling channel is formed between the air outlet section outer tube and the air outlet section inner tube, the air outlet section filling channel is filled with air outlet section suction cotton, the air outlet section inner tube is provided with a plurality of air outlet section inner tube meshes, there are two air outlet section end rings, the two air outlet section end rings are closed at both ends of the air outlet section filling channel one by one, an air inlet hole is provided in the middle of the air outlet section inner tube, and the air inlet section is connected to the air inlet hole after passing through the inner and outer tubes of the air outlet section.

6. A fabric cutting method according to claim 5, characterized in that: A plurality of air outlet section inner tube reflection rings are provided on the outer circumferential surface of the inner tube of the air outlet section and are distributed along the extension direction of the inner tube of the air outlet section. The air outlet section inner tube reflection rings extend along the circumferential direction of the inner tube of the air outlet section. A plurality of air outlet section inner tube sound transmission holes are provided on the air outlet section inner tube reflection rings. The air outlet section inner tube sound transmission holes penetrate the air outlet section inner tube reflection rings.

7. A fabric cutting method according to claim 6, characterized in that: The two end surfaces of the reflection ring of the inner tube of the air outlet section are both conical surfaces with one end facing the air inlet being larger and the other end being smaller.

8. A fabric cutting method according to claim 4 or 5 or 6 or 7, characterized in that: An isolation plate is provided in the air inlet chamber, the isolation plate isolates the air inlet cavity in the air inlet chamber, the isolation plate is provided with an isolation plate filter hole, the inlet end of the air inlet pipe is located in the air inlet cavity, a filter cover connected to the inlet end of the air inlet pipe is provided in the air inlet cavity, the filter cover is provided with filter holes of the filter cover, the aperture of the filter holes of the filter cover is smaller than the aperture of the filter holes of the isolation plate, the filter cover is a tubular structure, one end of the filter cover is provided with an end cap, and the other end is connected to the inlet end of the air inlet pipe.

9. A fabric cutting method according to claim 1, characterized in that: The loading conveyor belt includes a driven drive shaft arranged on a frame, an active drive shaft, a power assembly for driving the active drive shaft to rotate, two annular drive cables connected at both ends of the driven drive shaft and the active drive shaft, a felt connecting beam with both ends connected to the two drive cables, and a plurality of bed felts detachably suspended on the felt connecting beam, the bed felts on the same felt connecting beam are distributed along the extension direction of the felt connecting beam, the felt connecting beams are distributed along the extension direction of the drive cables, and all of the bed felts are spliced ​​together to form a supporting surface for supporting the material to be cut.

10. A fabric cutting method according to claim 9, characterized in that: The felt connecting beam is provided with two hanging grooves distributed along the width direction of the felt connecting beam, and the bed felt is provided with hanging hooks hung in the two hanging grooves one by one, and the hanging grooves pass through the end faces of the felt connecting beam. Both ends of the felt connecting beam are detachably connected with connecting beam block to prevent the bed felt from falling off the felt connecting beam.

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