CN221250015U - Automatic cloth cutting machine for ton bags - Google Patents

Abstract

The utility model relates to an automatic cloth cutting machine for ton bags, which comprises an unreeling mechanism, a buffering mechanism and a cutting mechanism, wherein the buffering mechanism is arranged between the unreeling mechanism and the cutting mechanism, the unreeling mechanism is used for unreeling plastic woven cloth coiled materials, the buffering mechanism is used for buffering the unreeled plastic woven cloth, and the cutting mechanism is used for conveying the plastic woven cloth and cutting and forming mouth cloth.

Description

Automatic cloth cutting machine for ton bags

Technical Field

The utility model relates to the technical field of ton bag production equipment, in particular to an automatic ton bag slitting machine.

Background

The ton bag is a flexible transport packaging container, is widely used for packaging various powdery, granular and blocky articles such as chemical industry, building materials, plastics, mineral products and the like, and is usually provided with a feed inlet and a discharge outlet at the mouth part, so that the raw materials are conveniently filled; at present, a port cloth is adopted for sewing at the mouth of a ton bag to form the port, the production of the port cloth mainly depends on manual work to cut and obtain the plastic woven cloth, and the cutting is divided into two steps: firstly, cutting out base cloth with specified length; and secondly, cutting the base cloth pair into two strip cloth belts with the same size, wherein the strip cloth belts are opening cloth, the rear opening cloth is sewn at the opening part of the ton bag, and the production efficiency and cutting precision of manual cutting cannot meet the requirements in the batch production of the ton bag.

Disclosure of utility model

The utility model provides an automatic cloth cutting machine for ton bags, which aims at the defects existing in the prior art, and the specific technical scheme is as follows:

The automatic cloth cutting machine for the ton bags comprises an unreeling mechanism, a buffering mechanism and a cutting mechanism, wherein the buffering mechanism is arranged between the unreeling mechanism and the cutting mechanism, the unreeling mechanism is used for unreeling plastic woven cloth coiled materials, the buffering mechanism is used for buffering the unreeled plastic woven cloth, and the cutting mechanism is used for conveying the plastic woven cloth and cutting and forming mouth cloth; the utility model provides a cutting mechanism, including first frame, be provided with conveying subassembly, transversely cut the subassembly, compress tightly the subassembly, tiling subassembly and vertically cut off the subassembly in the first frame, transversely cut the subassembly setting and be in conveying subassembly input's the place ahead, compress tightly the subassembly setting and be in conveying subassembly output's rear, vertically cut off the subassembly setting and be in compress tightly the below of subassembly, tiling subassembly sets up compress tightly the rear of subassembly, conveying subassembly is used for carrying the plastics of settlement length and weaves cloth, transversely cut the subassembly and be used for transversely cutting the plastics of input and weave cloth, tiling subassembly is used for the plastics of centre gripping output to weave cloth and makes its horizontal tiling expand, it is fixed that the plastics of being close to the output to compress tightly the subassembly and weave cloth after the tiling expansion, vertically cut off the subassembly and be used for vertically cutting off the shaping mouth cloth to the plastics of weaving cloth after fixing.

As an improvement of the technical scheme, a first cross beam is arranged at the front end part of the first rack, which is close to the buffer mechanism, and the transverse slitting assembly is arranged on the first cross beam; the first frame is provided with the conveying assembly at the rear of the transverse slitting assembly, the first frame is provided with a transition platform at the rear of the conveying assembly, a second cross beam is arranged above the transition platform, the pressing assembly is arranged on the second cross beam, a third cross beam is arranged below the transition platform on the first frame, the longitudinal cutting assembly is arranged on the third cross beam, the longitudinal cutting assembly comprises a cutting fly cutter capable of longitudinally moving, and working gaps for avoiding the cutting fly cutter are respectively arranged on the pressing assembly and the transition platform; the first frame is in the rear of transition platform still is provided with the tiling stand, tiling subassembly sets up on the tiling stand.

As an improvement of the above technical solution, the transverse slitting assembly is disposed in the middle of the first beam.

As the improvement of the technical scheme, the transverse slitting assembly comprises a slitting blade, a position adjusting assembly and a slitting blade holder, wherein the slitting blade is arranged on the slitting blade holder, the slitting blade holder is longitudinally movably arranged on the position adjusting assembly, the position adjusting assembly is arranged on the first cross beam, and the position adjusting assembly is used for adjusting the longitudinal position of the slitting blade.

As an improvement of the above technical solution, the position adjusting assembly includes an adjusting hand wheel, a fixing plate, a guiding optical axis and a threaded shaft, wherein two opposite fixing plates are arranged on the first beam, the guiding optical axis is fixed between the two fixing plates, the threaded shaft is rotatably arranged between the two fixing plates and is positioned at one side of the guiding optical axis, and one end of the threaded shaft penetrates out of the fixing plates to be provided with the adjusting hand wheel; be provided with guiding hole and screw hole on cutting the blade holder, the guiding hole is used for cooperating with the direction optical axis, the screw hole is used for cooperating with the screw axis, through adjusting the hand wheel drives the screw axis rotation, makes cutting the blade holder and carrying out longitudinal position adjustment.

As an improvement of the technical scheme, the tiling assembly comprises linear modules, a movable cross beam, grabbing clamp assemblies, connecting shafts and driving pieces, wherein the two linear modules are transversely symmetrically arranged on the tiling exhibition stand, the driving pieces are arranged on one of the linear modules, the two linear modules are in transmission connection through the connecting shafts, two ends of the movable cross beam are respectively fixed on sliding seats arranged at the tops of the two linear modules, and a plurality of grabbing clamp assemblies are arranged on the movable cross beam; the driving piece is used for driving the linear module to work so that the grabbing and clamping assembly transversely moves, and the grabbing and clamping assembly is used for clamping the plastic woven cloth to be flatly spread on the flatly spread exhibition stand.

As the improvement of the technical scheme, the grabbing clamp assembly comprises a third air cylinder, a movable presser foot, a bottom plate, a first mounting seat and a second mounting seat, wherein the first mounting seat is arranged at the front end of the bottom plate, the second mounting seat is arranged at the rear end of the bottom plate, a clamping tongue extending forwards is further arranged at the front end of the bottom plate, the front end of the movable presser foot corresponds to the upper part of the clamping tongue, two hinge points are sequentially arranged at the rear end of the movable presser foot from front to back, the hinge point at the front is used for being hinged with the first mounting seat, the hinge point at the rear is used for being hinged with an output shaft of the third air cylinder, the tail end of the third air cylinder is hinged with the second mounting seat, and the third air cylinder drives the movable presser foot to rotate around the hinge point at the front as a pivot to be matched with the clamping tongue, so that the clamping work of plastic woven cloth is realized.

As an improvement of the technical scheme, the second cross beam is provided with a flexible pressing belt, and the flexible pressing belt is used for pressing the cloth placed on the spreading exhibition stand.

As the improvement of above-mentioned technical scheme, unreel the mechanism and include unreel frame, second frame and position offset detection subassembly, unreel the frame but longitudinally movable sets up the front end of second frame, position offset detection subassembly sets up the second frame is close to buffer memory mechanism's rear end, position offset detection subassembly is used for detecting the longitudinal position of plastics woven cloth, when the deviation appears in the position, position offset detection subassembly will receive information feedback to external control ware, through external control ware control unreel the frame and carry out longitudinal position adjustment in the second frame.

As the improvement of the technical scheme, the buffer mechanism comprises a buffer component, an auxiliary conveying component and a third rack, wherein the auxiliary conveying component is arranged at the front end of the third rack, which is close to the unreeling mechanism, the buffer component is arranged at the rear end of the third rack, which is close to the cutting mechanism, the buffer component is used for buffering the plastic woven cloth, and the auxiliary conveying component is used for assisting in conveying the plastic woven cloth

The utility model has the beneficial effects that:

The plastic woven cloth at the input end is transversely cut through the transverse cutting assembly, the cut plastic woven cloth is flatly laid and unfolded through the flatly laying assembly, and the flatly laid and unfolded plastic woven cloth is cut through the longitudinal cutting assembly to form the cloth, so that the cloth is more convenient and quick to process, the production efficiency is greatly improved, and the consistency of the processing precision is high; the plastic woven cloth is spread by the spreading assembly, so that the phenomenon of folding of the plastic woven cloth when the plastic woven cloth is cut off is prevented, and the forming quality of the cloth is further improved; in addition, the flexible pressing belt presses the formed cloth to prevent the cloth from flying up, so that the development of subsequent cutting work is affected.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is an enlarged view of the structure of the unreeling mechanism of FIG. 1;

FIG. 3 is an enlarged view of the structure of the buffer mechanism of FIG. 1;

FIG. 4 is an enlarged view of the cutting mechanism of FIG. 1;

FIG. 5 is a perspective view of a cutting mechanism;

FIG. 6 is a perspective view of the transverse slitting assembly;

Fig. 7 is a perspective view of the clip assembly.

Reference numerals: the device comprises a1 unreeling mechanism, a 11 unreeling frame, a 12 second rack, a 13 position deviation detecting component, a 2 buffering mechanism, a 21 buffering component, a 22 auxiliary conveying component, a 23 third rack, a 3 cutting mechanism, a 31 first rack, a 311 first beam, a 312 transition platform, a 313 second beam, a 314 flat spreading table, a 32 conveying component, a 321 first driving motor, a 322 main cutting shaft, a 323 first cylinder, a 324 compacting rubber wheel, a 33 transverse cutting component, a 331 cutting blade, a 332 position adjusting component, a 3321 adjusting hand wheel, a 3322 fixing plate, a 3323 guiding optical shaft, a 3324 threaded shaft, a 333 cutting blade holder, a 34 compacting component, a 341 second cylinder, a 342 pressing plate, a 35 flat spreading component, a 351 linear module, a 352 movable beam, a 353 clamping component, a 3531 third cylinder, a 3532 movable pressing foot, a 3533 bottom plate, a 35331 clamping tongue, a 3534 first mounting seat, a 3535 second mounting seat, a 354 connecting shaft, a 355 driving piece, a 36 longitudinal cutting component, a fly cutter, a 4 plastic woven cloth, 41 woven cloth, a 5 working gap and 6 flexible pressing belt.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-7, the present utility model provides an automatic slitting machine for ton bags, comprising an unreeling mechanism 1, a buffer mechanism 2 and a cutting mechanism 3, wherein the buffer mechanism 2 is arranged between the unreeling mechanism 1 and the cutting mechanism 3, the unreeling mechanism 1 is used for unreeling a coiled material 4 of plastic woven cloth, the buffer mechanism 2 is used for buffering the unreeled plastic woven cloth 41, and the cutting mechanism 3 is used for conveying the plastic woven cloth 41 and cutting and forming mouth cloth; the cutting mechanism 3 comprises a first rack 31, a conveying component 32, a transverse slitting component 33, a compressing component 34, a tiling component 35 and a longitudinal cutting component 36 are arranged on the first rack 31, the transverse slitting component 33 is arranged in front of the input end of the conveying component 32, the compressing component 34 is arranged behind the output end of the conveying component 32, the longitudinal cutting component 36 is arranged below the compressing component 34, the tiling component 35 is arranged behind the compressing component 34, the conveying component 32 is used for conveying plastic woven cloth 41 with a set length, the transverse slitting component 33 is used for transversely slitting the plastic woven cloth 41 at the input end, the tiling component 35 is used for clamping the plastic woven cloth 41 at the output end to transversely tile and spread, the compressing component 34 is used for fixing one end of the tiled and spread plastic woven cloth 41 close to the output end, and the longitudinal cutting component 36 is used for longitudinally cutting and forming mouth cloth for the fixed plastic woven cloth 41. Specifically, the first frame 31 is provided with a first beam 311 near the front end of the buffer mechanism 2, and the first beam 311 is provided with a transverse slitting assembly 33; the first frame 31 is provided with a conveying assembly 32 behind the transverse slitting assembly 33, the first frame 31 is provided with a transition platform 312 behind the conveying assembly 32, the first frame 31 is provided with a second cross beam 313 above the transition platform 312, the compacting assembly 34 is arranged on the second cross beam 313, the first frame 31 is provided with a third cross beam 314 below the transition platform 312, the longitudinal cutting assembly 36 is arranged on the third cross beam 314, the longitudinal cutting assembly 36 comprises a cutting fly cutter 361 capable of longitudinally moving, and working gaps 5 for avoiding the cutting fly cutter 361 are respectively arranged on the compacting assembly 34 and the transition platform 312; the first chassis 31 is further provided with a tiling stand 314 behind the transition platform 312, and the tiling assembly 35 is provided on the tiling stand 314. In this embodiment, the transverse slitting assembly 33 is disposed in the middle of the first beam 311, and the transverse slitting assembly 33 divides the plastic woven cloth 41 conveyed in front of the conveying assembly 32 into two parts, which is understood by those skilled in the art that two or more transverse slitting assemblies 33 mounted on the first beam 311 may be provided, specifically, according to the width of the plastic woven cloth 41 and the number of pieces of cloth that can be made.

Further, the conveying assembly 32 includes a first driving motor 321, a main conveying shaft 322, a first air cylinder 323 and a compacting rubber wheel 324, the main conveying shaft 322 is rotatably disposed on the first frame 31, the first driving motor 321 is connected with the main conveying shaft 322 through a transmission belt, the first air cylinders 323 are respectively rotatably disposed at two ends of the compacting rubber wheel 324, the compacting rubber wheel 324 is disposed on the first frame 31 through the first air cylinders 323, and the compacting rubber wheel 324 is located above the main conveying shaft 322, the first air cylinders 323 are used for adjusting the distance between the compacting rubber wheel 324 and the main conveying shaft 322 so as to adapt to clamping of plastic woven fabrics 41 with different thicknesses, and multiple purposes are achieved; the first driving motor 321 drives the main conveying shaft 322 to rotate, and the secondary cloth conveys the plastic woven cloth 41 clamped between the pinch roller 324 and the main conveying shaft 322.

Further, the transverse slitting assembly 33 includes a slitting blade 331, a position adjusting assembly 332 and a slitting blade holder 333, the slitting blade 331 is disposed on the slitting blade holder 333, the slitting blade holder 333 is longitudinally movably disposed on the position adjusting assembly 332, the position adjusting assembly 332 is disposed on the first beam 311, and the position adjusting assembly 332 is used for driving the slitting blade holder 333 to longitudinally move, so as to adjust the position of the slitting blade 331 to adapt to the slitting work of the plastic woven cloth 41 with different widths, and achieve multiple purposes. Specifically, the position adjusting assembly 332 includes an adjusting hand wheel 3321, a fixed plate 3322, a guiding optical axis 3323, and a threaded shaft 3324, two opposite fixed plates 3322 are disposed on the first beam 311, the guiding optical axis 3323 is fixed between the two fixed plates 3322, the threaded shaft 3324 is rotatably disposed between the two fixed plates 3322 and is located at one side of the guiding optical axis 3323, and one end of the threaded shaft 3324 passes through the fixed plates 3322 to be provided with the adjusting hand wheel 3321; the slitting tool holder 333 is provided with a guide hole and a threaded hole, the guide hole is used for being matched with the guide optical axis 3323, the threaded hole is used for being matched with the threaded shaft 3324, and the threaded shaft 3324 is driven to rotate by rotating the adjusting hand wheel 3321, so that the position of the slitting tool holder 333 is adjusted.

Further, the pressing assembly 34 includes a second cylinder 341 and a pressing plate 342, the second cylinder 341 is fixed on the second beam 313, the end of the output shaft of the second cylinder is provided with a mounting plate penetrating through the second beam 313, two pressing plates 342 parallel to each other and provided with a working gap 5 therebetween are fixed on the mounting plate, and the pressing plate 342 is driven to move up and down by the second cylinder 341.

Further, the tiling assembly 35 comprises linear modules 351, a movable beam 352, a grabbing and clamping assembly 353, a connecting shaft 354 and a driving piece 355, wherein the two linear modules 351 are transversely symmetrically arranged on the tiling exhibition stand 314, the driving piece 355 is arranged on one of the linear modules 351, the two linear modules 351 are in transmission connection through the connecting shaft 354, two ends of the movable beam 352 are respectively fixed on sliding seats arranged at the tops of the two linear modules 351, and the movable beam 352 is provided with a plurality of grabbing and clamping assemblies 353; the linear module 351 is driven to work through the driving piece 355, so that the movable beam 352 moves transversely, and the plastic woven cloth 41 is clamped by the clamping component 353 and is flatly laid on the flat-laying exhibition stand 314. Specifically, the grabbing and clamping assembly 353 includes a third cylinder 3531, a movable presser foot 3532, a bottom plate 3533, a first mounting seat 3534 and a second mounting seat 3535, the first mounting seat 3534 is disposed at the front end of the bottom plate 3533, the second mounting seat 3535 is disposed at the rear end of the bottom plate 3533, a front extending clamping tongue 35331 is further disposed at the front end of the bottom plate 3533, the front end of the movable presser foot 3532 is correspondingly disposed above the clamping tongue 35331, two hinge points are sequentially disposed at the rear end of the movable presser foot 3532 from front to rear, the front hinge point is used for being hinged with the first mounting seat 3534, the rear hinge point is used for being hinged with an output shaft of the third cylinder 3531, the tail end of the third cylinder 3531 is hinged with the second mounting seat 3535, and the movable presser foot 3532 is driven to rotate by the third cylinder 3531 with the front hinge point as a pivot to be matched with the clamping tongue 35331, so as to implement clamping and releasing work of the plastic woven cloth 41; the driving member 355 adopts a servo motor, so that the moving position precision is better.

Further, the longitudinal cutting assembly 36 further includes a linear module 351 and a driving member 355, the linear module 351 is longitudinally disposed on the third beam 314, the driving member 355 is used for driving the linear module 351 to work, the cutting fly cutter 361 is disposed on the sliding seat on the top of the linear module 351, and the driving member 355 drives the linear module 351 to work, so that the cutting fly cutter 361 moves longitudinally.

In order to prevent the cloth spread on the spreading table 314 from flying, the spreading assembly 35 in operation is driven to affect the normal development of the longitudinal cutting operation, and the second beam 313 is further provided with a flexible pressing belt 6, wherein the flexible pressing belt 6 is used for pressing the cloth placed on the spreading table 314 to prevent the cloth from flying. In this embodiment, two flexible pressing belts 6 are disposed on the second beam 313, and one flexible pressing belt 6 presses the cloth at a corresponding position.

Further, the unreeling mechanism 1 comprises an unreeling frame 11, a second frame 12 and a position deviation detecting component 13, the unreeling frame 11 is longitudinally movably arranged at the front end of the second frame 12, the position deviation detecting component 13 is arranged at the rear end of the second frame 12 close to the buffer mechanism 2, the position deviation detecting component 13 is used for detecting the longitudinal position of the plastic woven cloth 41, when the position deviation occurs, the position deviation detecting component 13 feeds received information back to an external controller, and the external controller controls the unreeling frame 11 to carry out longitudinal position adjustment on the second frame 12, so that the conveying position of the plastic woven cloth 41 is ensured to be correct and free of deviation. In this embodiment, a magnetic powder tension brake is provided on the unreeling frame 11, and the magnetic powder tension brake controls unreeling tension.

Further, the buffer mechanism 2 comprises a buffer assembly 21, an auxiliary conveying assembly 22 and a third rack 23, the auxiliary conveying assembly 22 is arranged at the front end of the third rack 23 close to the unreeling mechanism 1, the buffer assembly 21 is arranged at the rear end of the third rack 23 close to the cutting mechanism 3, the buffer assembly 21 is used for buffering the plastic woven cloth 41, and the auxiliary conveying assembly 22 is used for conveying the plastic woven cloth 41 in an auxiliary mode. In this embodiment, the structure, the conveying speed and the working action of the auxiliary conveying assembly 22 are the same as those of the conveying assembly 32, and the auxiliary conveying assembly 22 is used for increasing the conveying force, so as to protect the conveying assembly 32 and prolong the service life of the conveying assembly 32.

In operation, the coiled plastic woven cloth 4 is placed on the unreeling mechanism 1, and the end part of the plastic woven cloth 41 passes through the buffer mechanism 2 and is then clamped by the conveying component 32 on the cutting mechanism 3; the external controller controls the operation of the various parts, the transport assembly 32 transports a set length of plastic woven cloth 41,

The transverse slitting assembly 33 slits the plastic woven cloth 41 at the input end, the plastic woven cloth 41 divided into two is output from the output end of the conveying assembly 32, the clamping assembly 353 on the tiling assembly 35 transversely moves to the output end of the conveying assembly 32 to clamp the output plastic woven cloth 41, the rear clamping assembly 353 resets and moves to the initial position, the plastic woven cloth 41 divided into two is tiled and unfolded, the compacting assembly 34 fixes the plastic woven cloth 41 at the corresponding position on the transition platform 312, the cutting fly knife 361 on the lower longitudinal cutting assembly 36 longitudinally cuts the plastic woven cloth 41 to form two pieces of mouth cloth, the clamping assembly 353 releases the mouth cloth, the mouth cloth is tiled on the tiling exhibition stand 314, and the steps are repeated until the mouth cloth with the required number is completed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The automatic cloth cutting machine for the ton bags is characterized by comprising an unreeling mechanism, a buffering mechanism and a cutting mechanism, wherein the buffering mechanism is arranged between the unreeling mechanism and the cutting mechanism, the unreeling mechanism is used for unreeling plastic woven cloth coiled materials, the buffering mechanism is used for buffering the unreeled plastic woven cloth, and the cutting mechanism is used for conveying the plastic woven cloth and cutting and forming mouth cloth; the utility model provides a cutting mechanism, including first frame, be provided with conveying subassembly, transversely cut the subassembly, compress tightly the subassembly, tiling subassembly and vertically cut off the subassembly in the first frame, transversely cut the subassembly setting and be in conveying subassembly input's the place ahead, compress tightly the subassembly setting and be in conveying subassembly output's rear, vertically cut off the subassembly setting and be in compress tightly the below of subassembly, tiling subassembly sets up compress tightly the rear of subassembly, conveying subassembly is used for carrying the plastics of settlement length and weaves cloth, transversely cut the subassembly and be used for transversely cutting the plastics of input and weave cloth, tiling subassembly is used for the plastics of centre gripping output to weave cloth and makes its horizontal tiling expand, it is fixed that the plastics of being close to the output to compress tightly the subassembly and weave cloth after the tiling expansion, vertically cut off the subassembly and be used for vertically cutting off the shaping mouth cloth to the plastics of weaving cloth after fixing.

2. An automatic ton bag slitting machine as defined in claim 1 wherein: the first frame is provided with a first cross beam near the front end part of the buffer mechanism, and the first cross beam is provided with the transverse slitting assembly; the first frame is provided with the conveying assembly at the rear of the transverse slitting assembly, the first frame is provided with a transition platform at the rear of the conveying assembly, a second cross beam is arranged above the transition platform, the pressing assembly is arranged on the second cross beam, a third cross beam is arranged below the transition platform on the first frame, the longitudinal cutting assembly is arranged on the third cross beam, the longitudinal cutting assembly comprises a cutting fly cutter capable of longitudinally moving, and working gaps for avoiding the cutting fly cutter are respectively arranged on the pressing assembly and the transition platform; the first frame is in the rear of transition platform still is provided with the tiling stand, tiling subassembly sets up on the tiling stand.

3. An automatic ton bag slitting machine as defined in claim 2 wherein: the transverse slitting assembly is arranged in the middle of the first cross beam.

4. An automatic ton bag slitting machine as defined in claim 2 wherein: the transverse slitting assembly comprises a slitting blade, a position adjusting assembly and a slitting blade holder, the slitting blade is arranged on the slitting blade holder, the slitting blade holder is longitudinally movably arranged on the position adjusting assembly, the position adjusting assembly is arranged on the first cross beam, and the position adjusting assembly is used for adjusting the longitudinal position of the slitting blade.

5. The automatic ton bag slitting machine according to claim 4, wherein: the position adjusting assembly comprises an adjusting hand wheel, fixing plates, a guide optical axis and a threaded shaft, wherein two opposite fixing plates are arranged on the first cross beam, the guide optical axis is fixed between the two fixing plates, the threaded shaft is rotatably arranged between the two fixing plates and is positioned on one side of the guide optical axis, and one end of the threaded shaft penetrates out of the fixing plates and is provided with the adjusting hand wheel; be provided with guiding hole and screw hole on cutting the blade holder, the guiding hole is used for cooperating with the direction optical axis, the screw hole is used for cooperating with the screw axis, through adjusting the hand wheel drives the screw axis rotation, makes cutting the blade holder and carrying out longitudinal position adjustment.

6. An automatic ton bag slitting machine as defined in claim 2 wherein: the flat-laying assembly comprises linear modules, a movable cross beam, a grabbing clamp assembly, a connecting shaft and a driving piece, wherein the two linear modules are transversely symmetrically arranged on the flat-laying exhibition stand, the driving piece is arranged on one of the linear modules, the two linear modules are in transmission connection through the connecting shaft, two ends of the movable cross beam are respectively fixed on sliding seats arranged at the tops of the two linear modules, and a plurality of grabbing clamp assemblies are arranged on the movable cross beam; the driving piece is used for driving the linear module to work so that the grabbing and clamping assembly transversely moves, and the grabbing and clamping assembly is used for clamping the plastic woven cloth to be flatly spread on the flatly spread exhibition stand.

7. The automatic ton bag slitting machine according to claim 6, wherein: the clamping assembly comprises a third air cylinder, a movable presser foot, a bottom plate, a first mounting seat and a second mounting seat, wherein the first mounting seat is arranged at the front end of the bottom plate, the second mounting seat is arranged at the rear end of the bottom plate, a clamping tongue extending forwards is further arranged at the front end of the bottom plate, the front end of the movable presser foot corresponds to the upper portion of the clamping tongue, two hinge points are sequentially arranged at the rear end of the movable presser foot from front to rear, the hinge point at the front is used for being hinged with the first mounting seat, the hinge point at the rear is used for being hinged with an output shaft of the third air cylinder, the tail end of the third air cylinder is hinged with the second mounting seat, and the third air cylinder drives the movable presser foot to rotate around the hinge point at the front as a pivot to be matched with the clamping tongue, so that the clamping work of plastic woven cloth is realized.

8. An automatic ton bag slitting machine as defined in claim 2 wherein: the second cross beam is provided with a flexible pressing belt, and the flexible pressing belt is used for pressing the cloth placed on the flat exhibition stand.

9. An automatic ton bag slitting machine as defined in claim 1 wherein: the unreeling mechanism comprises an unreeling frame, a second rack and a position deviation detection assembly, wherein the unreeling frame is longitudinally movably arranged at the front end of the second rack, the position deviation detection assembly is arranged at the rear end of the second rack, which is close to the caching mechanism, the position deviation detection assembly is used for detecting the longitudinal position of the plastic woven cloth, and when the position deviates, the position deviation detection assembly feeds received information back to an external controller, and the unreeling frame is controlled by the external controller to carry out longitudinal position adjustment on the second rack.

10. An automatic ton bag slitting machine as defined in claim 1 wherein: the buffer mechanism comprises a buffer assembly, an auxiliary conveying assembly and a third rack, wherein the auxiliary conveying assembly is arranged on the third rack and close to the front end of the unreeling mechanism, the buffer assembly is arranged on the third rack and close to the rear end of the cutting mechanism, the buffer assembly is used for buffering plastic woven cloth, and the auxiliary conveying assembly is used for assisting in conveying the plastic woven cloth.