CN114314080B

CN114314080B - Polypropylene flexible container fabric cutting machine with press belt device

Info

Publication number: CN114314080B
Application number: CN202210142074.3A
Authority: CN
Inventors: 朱成刚
Original assignee: Lianyungang Dingchang Plastic Packaging Co ltd
Current assignee: Lianyungang Dingchang Plastic Packaging Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2023-02-03
Anticipated expiration: 2042-02-16
Also published as: CN114314080A

Abstract

The invention discloses a polypropylene container bag fabric cutting machine with a belt pressing device, and relates to the related technical field of textile processing. The driving rotating rollers at the two ends of the main body frame can provide power for the device, so that the conveying belt can be driven to rotate, packaging bag cloth to be cut can be driven to move through the conveying belt, and the power wheel in contact with the conveying belt can be driven to rotate through the conveying belt, so that power transmission can be realized.

Description

Polypropylene flexible container fabric cutting machine with press belt device

Technical Field

The invention relates to the technical field related to textile processing, in particular to a polypropylene container bag fabric cutting machine with a belt pressing device.

Background

The flexible container bag is a flexible container bag, also called big bag and ton bag, and is a flexible and flexible container, which is a large-volume transport bag made of foldable rubberized fabric, resin processing fabric and other flexible materials. Polypropylene is generally used as the main raw material. The package is favorable to raising the loading and unloading efficiency, is especially suitable for packing bulk powder and granular cargo, and has the advantages of being convenient for packing, low in cost, etc. The polypropylene flexible freight bag is particularly suitable for mechanized operation, is an ideal choice for storage, packaging and transportation, can be widely applied to the packaging of highway, railway and sea transportation of bulk materials such as cement, chemical fertilizer, salt, sugar, chemical raw materials, ore and the like, is formed by extrusion film forming, cutting, wire drawing, weaving, cutting and sewing in the production of polypropylene flexible freight bags, and is easy to displace when being cut, thereby causing the dislocation of the cutting position, further causing the damage of the raw materials and increasing the production cost.

In the Chinese patent application number: CN202010222139.6 discloses a convenient fabric cutting machine for textile use, which can meet the requirements of cutting fabrics of various widths by adjusting the distance between the cutting knives compared with the conventional fabric cutting, thereby improving the adaptability of the invention, and on the other hand, the invention can adapt to more widths of raw materials, and can be automatically opened after clamping the raw materials

Therefore, there is a need to provide a polypropylene bulk bag cutting machine with a belt press to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a polypropylene flexible freight bag fabric cutting machine with a belt pressing device, which solves the problems that the fabric is easy to displace and influence the cutting because the conventional convenient fabric cutting machine for spinning has no function of pressing and limiting when the fabric is cut in the using process, the fabric can be cut in one direction, the condition of incomplete cutting is easy to occur, and the cutting effect is poor.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a polypropylene container bag fabric cutting machine with a belt pressing device comprises a main body frame, the belt pressing device and a fabric cutting device shell, wherein driving rotating rollers are fixedly mounted at two ends of the main body frame, a motor is arranged in each driving rotating roller, the outer surfaces of the two driving rotating rollers are made of rubber materials and are tightly attached to the inner side of a conveyor belt, the conveyor belt is movably connected between the two driving rotating rollers and is made of rubber materials, the conveyor belt contains nylon fiber woven fabric, the belt pressing device is symmetrically and fixedly connected to one side of the upper surface of the main body frame, a rotating cavity is formed in one side of the inner part of each belt pressing device, a movable rotating cavity is formed in one side of the middle of the rotating cavity, a first gear is movably connected to the lower end of the inner part of the rotating cavity, and a connecting column is fixedly connected to one side of the first gear, the other end of the connecting column penetrates through the belt pressing device and is fixedly connected with a power wheel, the bottom end of the power wheel is tightly attached to the upper surface of the conveyor belt, the power wheel is made of metal materials, the movable rotating cavity is internally and movably connected with a pull rod, one end of the pull rod is provided with a pull spring hole, one end of the inner part of the pull spring hole is fixedly connected with a tension spring, the other end of the tension spring is fixedly connected with the inner wall of the movable rotating cavity, the middle part of the pull rod penetrates through and is movably connected with a second gear, the bottom end of the second gear is meshed with the first gear, the middle end of the pull rod is arranged in an inverted I shape, the end part of the other end of the pull rod penetrates through the belt pressing device and is arranged in a round ball shape, the upper end of the inner part of the rotating cavity is movably connected with a third gear, and the bottom end of the third gear is meshed with the upper end of the second gear, the third gear and the first gear are uniform in appearance, size and rotation direction, a rotary column is fixedly connected to one side of the third gear, a side cutting surface of the rotary column is in a T shape, a coil spring is fixedly connected to one side of the rotary column, the coil spring is made of metal steel materials, two ends of the coil spring are fixedly connected with the rotary column and the belt pressing device respectively, a connecting rod is fixedly connected to the other side of the rotary column, one end of the connecting rod is in a round table shape, the other end of the connecting rod is in a cuboid rod shape, the end, far away from the round table shape, of the connecting rod is in a semicircular shape, a connecting groove is formed in one end, far away from the round table shape, of the connecting rod, a fixed column is fixedly connected to the inside of the connecting groove, a rotary block penetrates through one side of the fixed column and is movably connected with the rotary block, a pressing plate is fixedly connected to the bottom end of the rotary block, and the pressing plate is made of stainless steel materials, the two ends of the pressing plate are both in an upward bending shape, the edges of the pressing plate are both subjected to fillet treatment, the lower surface of the pressing plate is subjected to polishing treatment, the bottom end of the main body frame is fixedly connected with a plurality of support legs which are distributed in a rectangular array, the two ends of the fabric cutting device shell are both provided with openings, the tops of the openings at the two ends of the inlet and the outlet of the fabric cutting device shell are both fixedly connected with curtains, the curtains are formed by mixing nylon fiber woven fabric materials and plastic materials, the upper surface of the fabric cutting device shell is fixedly provided with a telescopic cylinder, the fabric cutting device shell and the edge of the telescopic cylinder at the top end of the fabric cutting device shell are both subjected to 45-degree chamfering treatment, a telescopic rod is arranged inside the telescopic cylinder, the bottom of the telescopic rod penetrates through the top end of the fabric cutting device shell and is fixedly connected with a first cutter, and the two ends of the first cutter are symmetrically and fixedly connected with movable columns, two the activity post is cuboid form metal block, the activity groove has been seted up to inside one side symmetry of main part frame, two activity groove and two activity post looks adaptations, the recess has been seted up to inside upper end one side of main part frame, the first dead lever of the equal fixedly connected with in opening part both ends of recess, two first dead lever is the symmetric distribution, two one side of first dead lever all runs through and swing joint has first supplementary running roller, and first supplementary running roller is made for the metal steel material, two first supplementary running roller all closely laminates with the inboard of conveyer belt, first cut-off knife comprises the carbon steel material.

Optionally, a fixing block is fixedly arranged inside the groove, a second fixing rod is fixedly connected to the bottom end of the fixing block, a second auxiliary roller wheel penetrates through and is movably connected to one side of the second fixing rod, and the second auxiliary roller wheel is tightly attached to the conveyor belt.

Optionally, a first movable cavity is formed in the fixed block, and a plurality of first springs distributed at equal intervals are fixedly connected to the bottom end of the first movable cavity.

Optionally, a plurality of the upper ends of the first springs are fixedly connected with second cutters, and the second cutters are made of the same material as the first cutters and are matched with the first cutters.

Optionally, a tooth socket is formed in one side of the second cutter, a fourth gear is movably connected to one side of the inside of the main body frame, one side of the fourth gear is meshed with the tooth socket, and a second movable cavity is formed in the other side of the fourth gear.

Optionally, a rack is slidably connected inside the second movable cavity, and one side of the rack is engaged with the other side of the fourth gear.

Optionally, the top end of the rack penetrates through the main body frame and is matched with the movable column.

Optionally, a third movable cavity is formed in the upper end of the inside of the fixing block, a plurality of second springs are fixedly connected to one side of the inside of the third movable cavity, and the second springs are distributed horizontally at equal intervals.

Optionally, the other end of the second spring is fixedly connected with a guard plate, and the other end of the guard plate is matched with the second cutter.

Optionally, the edges of the whole belt pressing device are chamfered.

(III) advantageous effects

The invention provides a polypropylene container bag fabric cutting machine with a belt pressing device, which has the following beneficial effects:

1. the driving rotating rollers at the two ends of the main body frame can provide power for the device, so that the conveying belt can be driven to rotate, the packaging bag cloth to be cut can be driven to move through the conveying belt, the power wheel in contact with the conveying belt can be driven to rotate through the conveying belt, power transmission can be achieved, the power wheel can drive the first gear to rotate in the rotating cavity through the connecting column and is meshed with the second gear, the rotating column on one side of the third gear can be driven to rotate after overcoming the elasticity of the coil spring through the meshing of the second gear and the third gear, the connecting rod is driven to swing through the rotating column, the pressing plate can be driven to press downwards through the connecting rod, and the packaging bag cloth at the upper end of the conveying belt can be pressed through the pressing plate to prevent displacement during movement.

2. According to the invention, the edges of the pressing plates are subjected to fillet treatment so as to prevent the packaging bag cloth from being scraped during use, the pull rod can be moved in the tension spring hole after the elasticity of the tension spring is overcome by pulling the pull rod, so that the second gear can be driven to move to one side in the movable rotating cavity, the meshing of the second gear and the first gear and the third gear can be disconnected, the third gear can lose a power source, the rotating column can be returned under the action of the coil spring, and the pressing plates on one side of the fixed column are driven by the connecting rod to move upwards, so that the pressing limit of the packaging bag cloth is released, the packaging bag cloth is more convenient to operate and use.

3. The first cutting knife can be driven to move downwards through the telescopic cylinder, so that cloth can be cut, the user can be warned through the shielding curtains at the two ends of the shell of the cloth cutting device, internal dangers can be explained, the cloth cutting device is safer to use, the situation that a cutter hurts a person can be avoided, the movable column can be driven to move in the movable groove through the downward movement of the first cutting knife, the rack is pressed downwards, the power transmission can be realized, the mechanical transmission is realized during the use, a plurality of power sources are not needed, and the use is more energy-saving.

4. The rack moves downwards to be meshed with the fourth gear, and the fourth gear drives the second cutter to move upwards in the first movable cavity after overcoming the elastic force of the first spring, so that the second cutter is matched with the first cutter, and the cloth cutting effect is better than the one-way cutting effect.

5. According to the invention, the guard plate can be retracted into the third movable cavity after overcoming the elastic force of the second spring by the upward movement of the second cut-off knife through the inclined surface, and can be automatically ejected after the second cut-off knife is retracted, so that the second cut-off knife can be prevented from scratching the cloth moving at the upper end, and meanwhile, the second cut-off knife can be protected, and the effect is better when the guard plate is used.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a first schematic cross-sectional perspective view of the inventive structure;

FIG. 3 is a second schematic cross-sectional perspective view of the inventive structure;

FIG. 4 is a third schematic perspective cross-sectional view of the inventive structure;

FIG. 5 is an enlarged view of a portion of the belt press assembly of the present invention;

FIG. 6 is an enlarged view of a portion of the fabric cutting device according to the present invention;

FIG. 7 is a schematic view of the connection between a second cutter and a guard plate according to the present invention;

FIG. 8 is an enlarged schematic view of the conveyor belt structure of the present invention;

FIG. 9 is a schematic view of the connection of the first, second and third gears of the present invention;

FIG. 10 is an enlarged schematic view of the drawbar configuration according to the present invention;

FIG. 11 is an enlarged schematic view of the tension spring configuration of the present invention;

fig. 12 is an enlarged schematic view of the coil spring structure of the present invention.

In the figure: 1. a main body frame; 2. actively rotating the roller; 3. a conveyor belt; 4. a belt pressing device; 5. a rotation chamber; 6. a movable rotating cavity; 7. a first gear; 8. connecting columns; 9. a power wheel; 10. a pull rod; 11. a tension spring hole; 12. a tension spring; 13. a second gear; 14. a third gear; 15. turning the column; 16. a coil spring; 17. A connecting rod; 18. fixing the column; 19. pressing a plate; 20. a fabric cutting device shell; 21. a blind; 22. a telescopic cylinder; 23. a first cut-off knife; 24. a movable post; 25. a movable groove; 26. a groove; 27. a first fixing rod; 28. a first auxiliary roller; 29. a fixed block; 30. a second fixing bar; 31. a second auxiliary roller; 32. a first movable chamber; 33. a first spring; 34. a second cutter; 35. a tooth socket; 36. a fourth gear; 37. a second movable chamber; 38. a rack; 39. a third active lumen; 40. a second spring; 41. and (4) protecting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

According to the present invention, as shown in fig. 1-12, there is provided a technical solution:

a polypropylene flexible freight bag fabric cutting machine with a belt pressing device comprises a main body frame 1, a belt pressing device 4 and a fabric cutting device shell 20, wherein driving rotating rollers 2 are fixedly installed at two ends of the main body frame 1, a motor is arranged inside the driving rotating rollers 2, the outer surfaces of the two driving rotating rollers 2 are made of rubber materials and are tightly attached to the inner side of a conveying belt 3, the conveying belt 3 is movably connected between the two driving rotating rollers 2 and is made of rubber materials, nylon fiber woven cloth is contained inside the conveying belt 3, the belt pressing device 4 is symmetrically and fixedly connected to one side of the upper surface of the main body frame 1, rotating cavities 5 are formed in one side of the inner parts of the two belt pressing devices 4, a movable rotating cavity 6 is formed in one side of the middle part of the rotating cavity 5, a first gear 7 is movably connected to the lower end of the rotating cavity 5, a connecting column 8 is fixedly connected to one side of the first gear 7, the other end of the connecting column 8 penetrates through the belt pressing device 4 and is fixedly connected with a power wheel 9, the bottom end of the power wheel 9 is tightly attached to the upper surface of the conveying belt 3, the power wheel 9 is made of metal material, the movable rotating cavity 6, a pull rod 10 is movably connected to a pull rod 14, one end of a tension spring 14 is connected to the middle part of a third gear, a tension spring 14, and a tension spring 14 is connected to the inner end of a tension spring 14, the tension spring 14, the shape, size and rotating direction of the third gear 14 and the first gear 7 are consistent, one side of the third gear 14 is fixedly connected with a rotating column 15, the side cutting surface of the rotating column 15 is a T-shaped rotating column 15, one side of the rotating column 15 is fixedly connected with a coil spring 16, the coil spring 16 is made of metal steel material, two ends of the coil spring 16 are respectively fixedly connected with the rotating column 15 and the belt pressing device 4, the other side of the rotating column 15 is fixedly connected with a connecting rod 17, the connecting rod 17 is a metal rod with one end in a circular truncated cone shape and the other end in a cuboid rod shape, the end part of the connecting rod 17, far away from the circular truncated cone shape, is semicircular, one end of the connecting rod 17, far away from the circular truncated cone shape, is provided with a connecting groove, the inside of the connecting groove is fixedly connected with a fixed column 18, one side of the fixed column 18 is penetrated and movably connected with a rotating block, the bottom end of the rotating block is fixedly connected with a pressing plate 19, and the pressing plate 19 is made of stainless steel material, both ends of a pressing plate 19 are bent upwards, the edges of the pressing plate are both subjected to fillet treatment, the lower surface of the pressing plate 19 is subjected to polishing treatment, the bottom end of a main body frame 1 is fixedly connected with a plurality of supporting legs which are distributed in a rectangular array, both ends of a fabric cutting device shell 20 are provided with openings, the tops of the openings at both ends of an inlet and an outlet of the fabric cutting device shell 20 are fixedly connected with shielding curtains 21, the shielding curtains 21 are formed by mixing nylon fiber woven fabric materials and plastic materials, the upper surface of the fabric cutting device shell 20 is fixedly provided with a telescopic cylinder 22, the fabric cutting device shell 20 and the telescopic cylinder 22 at the top end of the fabric cutting device shell 20 are subjected to 45-degree chamfering treatment, a telescopic rod is arranged inside the telescopic cylinder 22, the bottom of the telescopic rod penetrates through the top end of the fabric cutting device shell 20 and is fixedly connected with a first cutting knife 23, both ends of the first cutting knife 23 are symmetrically and fixedly connected with movable columns 24, two activity posts 24 are cuboid form metal block, activity groove 25 has been seted up to inside one side symmetry of main part frame 1, two activity grooves 25 and two activity post 24 looks adaptations, groove 26 has been seted up to inside upper end one side of main part frame 1, the first dead lever 27 of the equal fixedly connected with in opening part both ends of groove 26, two first dead lever 27 are the symmetric distribution, one side of two first dead levers 27 all runs through and swing joint has first supplementary running roller 28, first supplementary running roller 28 is made for the metal steel material, two first supplementary running rollers 28 all closely laminate with the inboard of conveyer belt 3, first cut-off knife 23 comprises the carbon steel material.

As an optional technical scheme of the invention: the fixed block 29 that is equipped with in the inside of recess 26, the bottom fixedly connected with second dead lever 30 of fixed block 29, one side of second dead lever 30 is run through and swing joint has the supplementary running roller 31 of second, and the supplementary running roller 31 of second closely laminates with conveyer belt 3.

As an optional technical scheme of the invention: first activity chamber 32 has been seted up to the inside of fixed block 29, and the inside bottom fixedly connected with in first activity chamber 32 is a plurality of first springs 33 that are equidistant distribution.

As an optional technical scheme of the invention: the upper ends of the first springs 33 are fixedly connected with a second cutter 34, and the second cutter 34 is made of the same material as the first cutter 23 and is matched with the first cutter.

As an optional technical scheme of the invention: tooth socket 35 is seted up to one side of second cut-off knife 34, and inside one side swing joint of main part frame 1 has fourth gear 36, and one side and the tooth socket 35 of fourth gear 36 mesh mutually, and second activity chamber 37 has been seted up to the other side of fourth gear 36.

As an optional technical scheme of the invention: a rack 38 is slidably connected to the inside of the second movable chamber 37, and one side of the rack 38 is engaged with the other side of the fourth gear 36.

As an optional technical scheme of the invention: the top end of the rack 38 penetrates the main body frame 1 and is matched with the movable column 24.

As an optional technical scheme of the invention: a third movable cavity 39 is formed in the upper end of the inside of the fixing block 29, a plurality of second springs 40 are fixedly connected to one side of the inside of the third movable cavity 39, and the second springs 40 are horizontally distributed at equal intervals.

As an optional technical scheme of the invention: the other ends of the second springs 40 are fixedly connected with a guard plate 41, and the other end of the guard plate 41 is matched with the second cutter 34.

As an optional technical scheme of the invention: the edges of the whole device are chamfered.

In summary, the present invention provides power for the device through the driving rollers 2 at the two ends of the main body frame 1, so as to drive the conveyor belt 3 to rotate, so that the packaging bag cloth to be cut can be driven by the conveyor belt 3 to move, the power wheel 9 in contact with the conveyor belt 3 can be driven by the conveyor belt 3 to rotate, so as to realize power transmission, the power wheel 9 can be driven by the connecting column 8 to drive the first gear 7 to rotate in the rotating cavity 5 and be meshed with the second gear 13, and the second gear 13 is meshed with the third gear 14, so as to drive the rotating column 15 at one side of the third gear 14 to rotate after overcoming the elasticity of the coil spring 16, and further drive the connecting rod 17 to swing through the rotating column 15, so as to drive the pressing plate 19 to press the packaging bag cloth at the upper end of the conveyor belt 3 downward through the connecting rod 17, so as to press the packaging bag cloth at the upper end of the conveyor belt 3 through the pressing plate 19, prevent it from moving, thus can prevent to scrape bad to the packaging bag cloth while using through processing the edge of the pressing plate 19 with the fillet, can make the tie rod 10 move in the hole 11 of the extension spring after overcoming the elasticity of the extension spring 12 through pulling the tie rod 10, thus can drive the second gear 13 to move to one side in the activity rotates the chamber 6, thus can break off the engagement of the second gear 13 and first gear 7 and third gear 14, so can make the third gear 14 lose the power supply, and then can make the rotary column 15 return under the influence of the coil spring 16, and then make the tie rod 17 drive the pressing plate 19 of the fixed column 18 side to move upwards, thus relieve the pressing spacing to the packaging bag cloth, can make it more favorable to operate, use more conveniently, can drive the first cut-off knife 23 to move downwards through the telescopic cylinder 22, the cloth can be cut, the user can be warned through the shielding curtains 21 at the two ends of the shell 20 of the cloth cutting device, internal danger can be described, the cloth cutting device is safer to use, the condition that a cutter hurts people can be avoided, the movable column 24 can be driven to move in the movable groove 25 through downward movement of the first cutter 23, the rack 38 is pressed downwards, power transmission can be achieved, mechanical transmission is achieved during use, multiple power sources are not needed, the cloth cutting device is more energy-saving to use, the rack 38 can be moved downwards to be meshed with the fourth gear 36, the fourth gear 36 drives the second cutter 34 to move upwards in the first movable cavity 32 after the elasticity of the first spring 33 is overcome, the second cutter 34 can be matched with the first cutter 23 in a scratching mode, the cloth cutting effect is better than the one-way cutting effect when the cloth is cut, the guard plate 41 can be ejected in the third movable cavity 39 after the elasticity of the second spring 40 is overcome through upward movement of the second cutter 34, the upper end of the second cutter 34 can be automatically ejected so as to protect the cloth, and the second cutter 34 can be used for use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalent substitutions and modifications may be made to some features of the embodiments described above, and any modifications, equivalents, improvements, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a polypropylene flexible freight bag fabric cutting machine with press belt assembly, includes main part frame (1), presses belt assembly (4) and fabric cutting device shell (20), the equal fixed mounting in both ends of main part frame (1) has initiative roller (2), the inside of initiative roller (2) is equipped with the motor, two the surface of initiative roller (2) is constituteed by the rubber material to closely laminate with the inboard of conveyer belt (3), two swing joint has conveyer belt (3) between initiative roller (2), conveyer belt (3) comprise the rubber material, the inside of conveyer belt (3) contains nylon fiber woven cloth, the symmetry fixed connection presses belt assembly (4) on one side of the upper surface of main part frame (1), its characterized in that: two the inside one side of belt pressing device (4) has all seted up rotation chamber (5), the activity of having seted up in middle part one side of rotation chamber (5) rotates chamber (6), the inside lower extreme swing joint in rotation chamber (5) has first gear (7), one side fixedly connected with spliced pole (8) of first gear (7), the other end of spliced pole (8) runs through belt pressing device (4) and fixedly connected with power wheel (9), the bottom of power wheel (9) closely laminates with the upper surface of conveyer belt (3), power wheel (9) comprise the metal material, the inside swing joint in activity rotation chamber (6) has pull rod (10), draw spring hole (11) has been seted up to the one end of pull rod (10), the inside one end fixedly connected with extension spring (12) of draw spring hole (11), the other end and the activity of extension spring (12) rotate the inner wall fixed connection in chamber (6), the middle part of pull rod (10) runs through and movably connected with second gear (13), the bottom of second gear (13) meshes with first gear (7), the other end of extension spring (12) meshes mutually, the belt pressing device (4) is the interior swing joint of ball form of pull rod (10) and is the ball end and sets up the ball pressing device (5), the bottom end of the third gear (14) is meshed with the upper end of the second gear (13), the shape, size and rotating direction of the third gear (14) and the first gear (7) are consistent, one side of the third gear (14) is fixedly connected with a rotary column (15), the lateral tangent plane of the rotary column (15) is in a T shape, one side of the rotary column (15) is fixedly connected with a coil spring (16), the coil spring (16) is made of a metal steel material, two ends of the coil spring (16) are respectively fixedly connected with the rotary column (15) and a belt pressing device (4), the other side of the rotary column (15) is fixedly connected with a connecting rod (17), the connecting rod (17) is a metal rod with one end in a round table shape and the other end in a cuboid rod shape, the end part of the connecting rod (17) far away from the round table shape is in a semicircular shape, one end of the connecting rod (17) far away from the connecting groove is provided with a connecting groove, the inside of the rectangle is fixedly connected with a fixing column (18), one side of the fixing column (18) penetrates through and is movably connected with a rotary block, the bottom end of the rotary block is connected with a pressing plate (19), the pressing plate (19) is arranged on the lower surface of the pressing plate (1) and the stainless steel processing rack, and the pressing plate is in a plurality of the polishing stand bar array, the stainless steel processing stand bar, the stainless steel processing rack, the polishing stand bar is distributed on the lower surface of the polishing stand, and the polishing stand, the stainless steel processing stand bar is in a plurality of the polishing stand bar array, the stand is in a plurality of the stand bar processing stand bar (19), both ends of cutting device shell (20) all are equipped with the opening, the equal fixedly connected with in exit both ends opening part top of cutting device shell (20) hides curtain (21), hide curtain (21) and weave cloth material and plastic material mixture for nylon fibre and form, the last fixed surface of cutting device shell (20) installs telescopic cylinder (22), cutting device shell (20) all handles through 45 chamfers rather than telescopic cylinder (22) edge on top, the inside of telescopic cylinder (22) is equipped with the telescopic link, the bottom of telescopic link runs through the top and the first cut-off knife (23) of cutting device shell (20), the both ends symmetry fixedly connected with activity post (24) of first cut-off knife (23), two activity post (24) are the cuboid form metal block, the inside one side symmetry of main part frame (1) has seted up movable groove (25), two activity groove (25) and two activity post (24) looks adaptation, the inside upper end one side of main part frame (1) has seted up recess (26), the recess fixed slot (26) all is equipped with the first dead lever (27) and the first dead lever (27) is equipped with the first dead lever (27) and the second dead lever (27) is the auxiliary roller wheel (27) distribution, the two first auxiliary rollers (28) are tightly attached to the inner side of the conveyor belt (3), and the first cut-off knife (23) is made of carbon steel material; the fixed block (29) that is equipped with in inside of recess (26), the bottom fixedly connected with second dead lever (30) of fixed block (29), one side of second dead lever (30) is run through and swing joint has supplementary running roller of second (31), supplementary running roller of second (31) and conveyer belt (3) closely laminate.

2. The polypropylene bulk bag cutter with a belt press device according to claim 1, wherein: first activity chamber (32) have been seted up to the inside of fixed block (29), the inside bottom fixedly connected with in first activity chamber (32) a plurality of first springs (33) that are the equidistant distribution.

3. The polypropylene bulk bag cutter with a belt press device according to claim 2, wherein: a plurality of the upper end fixedly connected with second cut-off knife (34) of first spring (33), second cut-off knife (34) is the same with first cut-off knife (23) material and looks adaptation.

4. The polypropylene bulk bag cutter with a belt press device according to claim 3, wherein: tooth's socket (35) have been seted up to one side of second cut-off knife (34), inside one side swing joint of main part frame (1) has fourth gear (36), one side and tooth's socket (35) of fourth gear (36) mesh mutually, second activity chamber (37) have been seted up to the opposite side of fourth gear (36).

5. The polypropylene bulk bag cutter with a belt press device according to claim 4, wherein: a rack (38) is connected inside the second movable cavity (37) in a sliding mode, and one side of the rack (38) is meshed with the other side of the fourth gear (36).

6. The polypropylene bulk bag cutter with a belt press device according to claim 5, wherein: the top end of the rack (38) penetrates through the main body frame (1) and is matched with the movable column (24).

7. The polypropylene bulk bag cutter with a belt press device according to claim 1, wherein: the third activity chamber (39) have been seted up to the inside upper end of fixed block (29), the inside one side fixedly connected with of third activity chamber (39) is a plurality of second springs (40), and is a plurality of second spring (40) are the equidistant distribution of level.

8. The polypropylene bulk bag cutter with a belt press device according to claim 7, wherein: the other end of the second springs (40) is fixedly connected with a guard plate (41), and the other end of the guard plate (41) is matched with the second cutter (34).

9. The polypropylene bulk bag cutter with a belt press device according to claim 1, wherein: the edges of the whole belt pressing device are subjected to chamfering treatment.