CN115570838B

CN115570838B - Adjustable automatic paper cutter

Info

Publication number: CN115570838B
Application number: CN202211576680.2A
Authority: CN
Inventors: 姬强; 冯学龄; 田玲乐; 王志朋; 朱伟
Original assignee: Henan Baijia New Energy Saving Material Co ltd
Current assignee: Henan Baijia New Energy Saving Material Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-07
Anticipated expiration: 2042-12-09
Also published as: CN115570838A

Abstract

The invention discloses an adjustable automatic paper cutter, which comprises a rack, a transmission roller set arranged at one end of the rack, a pair of support frames arranged at two sides of the middle part of the rack, a cutting rack arranged between the transmission roller set and the support frames, and a second hydraulic rod arranged on each support frame, wherein a first hydraulic rod is arranged at the top of the cutting rack, a chopper is arranged at one side of the cutting rack, mounting holes are formed at two ends of the chopper, and a cutting device used for cutting the edge of a paper bag to form sawteeth is arranged at one side of the chopper.

Description

Adjustable automatic paper cutter

Technical Field

The invention relates to the technical field of paper bag cutting equipment, in particular to an adjustable automatic paper cutter.

Background

The cutting machine is a processing device for cutting and punching the sewing material into a required shape by using the modes of motor band knife operation, laser beam, high-pressure water jet and die punching, and comprises an electric cutting knife, a punching machine, an automatic cutting machine and the like.

The paper packaging bag is also required to be cut by a cutting machine in the production of the paper packaging bag, the special packaging bag has an easy-tearing function, the packaging bag is manufactured simply, namely, the packaging bag is processed into a saw-toothed shape from the edge of the packaging bag, and the packaging paper needs to be subjected to punching processing in some equipment when the saw-toothed shape is formed.

Present punching press formula is tailor and is generally made by frame and die-cut tool bit, owing to do not set up the area exclusive mechanism and adhere to the paper, the sawtooth rim charge after the die-cut that can lead to when the paper cuts scatters in the frame, and these rim charges can influence the continuous die-cut that the paper is in for the paper is difficult by the processing, need get rid of the rim charge specially, makes production efficiency receive the influence, gets rid of the rim charge and still need drop into the cost of labor. In addition, after the cut bag body exits the cutting machine through the conveyor belt, the bag body needs to be manually stacked according to the front and back surfaces, and the next collection procedure is also influenced. Therefore, an adjustable automatic paper cutter is provided.

Disclosure of Invention

The invention aims to provide an adjustable automatic paper cutter to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the adjustable automatic paper cutter comprises a rack, a transmission roller set arranged at one end of the rack, a pair of support frames arranged at two sides of the middle of the rack, a cutting rack arranged between the transmission roller set and the support frames, and a second hydraulic rod arranged on each support frame, wherein a first hydraulic rod is arranged at the top of the cutting rack, a chopper is arranged at one side of the cutting rack, mounting holes are formed in two ends of the chopper, a cutting device used for cutting edges of paper bags to form sawteeth is arranged at one side of the chopper, a locking device used for locking the cutting device is arranged at the other side of the chopper, a sawtooth cutting die is arranged at the bottom of the chopper, the cutting device comprises a corresponding component matched with the sawtooth cutting die, a transmission component arranged at one end of the corresponding component and used for driving the corresponding component to turn over, and a negative pressure component arranged at the top of the corresponding component and used for generating negative pressure to adsorb paper scraps, the corresponding component is rotated through the transmission component and communicated with the negative pressure component, and the paper scraps are sucked into the negative pressure component through the corresponding component.

Preferably, the corresponding assembly comprises a sawtooth inverse knife mold frame arranged on one side of the chopper, a rotating shaft arranged at the bottom of the sawtooth inverse knife mold frame, and a plurality of sawtooth inverse knife mold first models fixed on the rotating shaft at equal intervals, wherein a through groove is formed in the sawtooth inverse knife mold frame above each sawtooth inverse knife mold first model; the transmission assembly comprises a gear arranged at one end of the sawtooth reverse-cutting die frame and connected with the rotating shaft, a transmission gear arranged at one end of the chopper and meshed with the gear, and a transmission roller arranged at the top of one end of the chopper.

Preferably, the negative pressure assembly comprises a cleaning assembly arranged at the top inside the chopper for cleaning the scrap paper and an air cavity arranged at the top of one side of the chopper, the top inside the chopper is provided with a feeding groove communicated with the through groove, the cleaning assembly comprises a spiral sheet arranged inside the feeding groove and connected with the conveying roller and a blanking groove arranged at the other end of the chopper and communicated with the feeding groove, and the bottom of the blanking groove is butted with the cutting rack.

Preferably, the rotating shaft is provided with two sawtooth counter-knife models at two ends of the bottom of the chopping knife, switching components for controlling the reciprocating switching of the upper cutting knife and the first sawtooth counter-knife model are installed inside two ends of the sawtooth counter-knife model, the switching components are in locking sliding contact with nuts, excitation components for controlling the reciprocating switching of the chopping knife and the first sawtooth counter-knife model are installed on the cutting machine frame, and connecting blocks are installed at two sides of the bottom of the chopping knife; the excitation assembly comprises springs arranged in the bottoms of the two sides of the chopping knife and a pair of switches arranged at the bottom of the cutting rack, the bottom of the connecting block extends to the bottom of the chopping knife to be contacted with the springs, and the connecting block and the switches are corresponding to each other in the vertical direction.

Preferably, the sliding chutes are formed in two ends of the sawtooth reverse-cutting die frame, the locking device comprises a driving block which is connected to each sliding chute in a sliding mode, and a mounting plate which is arranged between the two driving blocks, and the two driving blocks are locked through nuts.

Preferably, the switching component comprises a pair of electromagnets arranged inside two ends of the sawtooth counterknife mold base and sliding iron blocks sliding on each sliding groove, and the sliding iron blocks and the driving block are in sliding and abutting contact.

Preferably, the leveling components are arranged on two sides of the rack and between the first hydraulic rod and the cutting rack and comprise a pair of motors arranged on two sides of the rack, a first leveling plate arranged on an output shaft of the motor, a second leveling plate arranged on two sides of the rack and the first leveling plate and vertically corresponding to each other, a pair of sliding frames arranged between each motor and the cutting rack and a middle roller arranged in the middle of each sliding frame.

Preferably, the cutting machine frame is provided with an inclined plate at the bottom of the sawtooth cutting die, the middle of the machine frame is provided with a flat frame, the flat frame is provided with a plurality of rotating frames, the bottom of the machine frame is provided with a transmission belt, and a pulling assembly is arranged between the machine frame and the transmission belt.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the sawtooth reverse cutting die frame is arranged on the cutting rack, the sawtooth reverse cutting die frame is descended to coincide with the sawtooth cutting die when the paper sawtooth is cut, the cut sawtooth waste is absorbed by the bottom of the sawtooth reverse cutting die I, the paper is not easy to fall and slide before and after cutting by adopting a negative pressure technology, the negative pressure technology has very high service performance, then the absorbed paper fragments are rotated by the sawtooth reverse cutting die I, and are conveyed and transferred to the ground by the rotating spiral sheet through the channel, so that the paper fragments are prevented from staying on equipment to influence the paper processing, the whole process does not need manual intervention cleaning, and the labor cost is reduced;

2. in order to realize compact design and facilitate the acceleration of the paper circulation cutting production period, the scheme adopts an electromagnet technology, so that the cutting machine has certain controllability, when the electromagnet adsorbs the sliding iron block, the first sawtooth reverse cutting die and the second sawtooth reverse cutting die can be lifted up due to the operation of the chopping knife, so that the chopping knife can conveniently cut the sawtooth-shaped paper, the paper does not need to be cut by other processes, and the operation cost on the equipment is reduced.

Drawings

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

FIG. 2 is a schematic view of the construction of the cutting frame assembly of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a schematic view of the leveling assembly of the present invention;

FIG. 5 is a schematic view of a disassembled structure of the cutting frame assembly of the present invention;

FIG. 6 is a schematic view of an alternative perspective of a cutting frame assembly of the present invention;

FIG. 7 is a schematic view of a cutting device according to the present invention;

FIG. 8 is an enlarged view of the portion A of FIG. 5;

FIG. 9 is an enlarged view of the structure at B in FIG. 7 according to the present invention;

FIG. 10 is a schematic view of a cutting frame according to the present invention;

FIG. 11 is an enlarged view of the structure of FIG. 10 at C;

FIG. 12 is a schematic side plan view of the sawtooth counterknife mold frame of the present invention;

FIG. 13 is a schematic view of the structure of the rotating frame of the present invention.

In the figure: 1-a frame; 2-a drive roller set; 3-a first hydraulic lever; 4-cutting the frame; 5-leveling component; 501-a motor; 502-a first leveling plate; 503-a carriage; 504-center roller; 505-a second flattening plate; 6-a pulling assembly; 7-a support frame; 8-a second hydraulic rod; 9-driving the belt; 10-pairs of flat racks; 11-a chopper; 1201-mounting holes; 1202-connecting block; 13-a sloping plate; 14-a serrated cutting die; 15-sawtooth reverse cutting die frame; 1501-an air cavity; 1503-conveying rollers; 1504-gear; 16-a mounting plate; 17-a chute; 18-sawtooth reverse cutting die I type; 1801-sawtooth reverse cutting die type II; 19-through groove; 20-a spiral sheet; 2001-a feed chute; 21-a charging chute; 22-a rotating shaft; 23-an electromagnet; 24-a slider; 25-a spring; 26-a switch; 27-rotating frame.

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.

Example 1: referring to fig. 1-13, the present invention provides a technical solution: the utility model provides an automatic trimmer that can regulate and control, includes frame 1, and drive roll group 2 sets up near 1 one end of frame, need with 1 tip of frame align can, a pair of support frame 7 of locating 1 middle part both sides of frame, locate the cutting machine frame 4 between drive roll group 2 and the support frame 7 to and locate the second hydraulic stem 8 on every support frame 7, first hydraulic stem 3 is installed at cutting machine frame 4 top, and first hydraulic stem 3 is used for the output source of tailorring, (the inside mechanism that accords with the paper-cut that includes below of writing in this paper, these mechanisms can not be said to be lost, need jointly use together, make the device reach fine use prospect) this writing as follows:

a cutting die 11 is mounted on one side of the cutting frame 4, mounting holes 1201 are formed in two ends of the cutting die 11, a cutting device for cutting the edge of a paper bag to form sawteeth is mounted on one side of the cutting die 11, a locking device for the cutting device is mounted on the other side of the cutting die 11, the bottom of the cutting die 11 is arranged on a serrated knife die 14, the cutting device comprises a corresponding component matched with the serrated knife die 14, a transmission component arranged at one end of the corresponding component and used for driving the corresponding component to turn over, and a negative pressure component arranged at the top of the corresponding component and used for generating negative pressure to adsorb paper scraps, the corresponding component rotates through the transmission component and is communicated with the negative pressure component, the paper scraps are sucked into the negative pressure component through the corresponding component, the serrated knife die 14 and the corresponding component used for paper in the internal part correspond to each other and punch the paper to enable the paper to be cut into sawteeth, then the scraps after the paper is cut in a centralized mode, in the negative pressure component is used for sucking air in the corresponding component, the paper is positioned between the corresponding component and the serrated knife die 14, after the paper is sucked, the scraps are discharged outside of the corresponding component through a transmission component, and the transmission component is discharged outside of the cutting machine frame through a 180 degrees, and the corresponding component, and the paper is finally discharged after the paper is overturned;

in order to specially enable the paper to be not changed in position before and after cutting, the paper is cut after adsorption in the technical scheme, so that the paper is not easy to fall off and slide after being cut.

In the scheme, the corresponding assembly comprises a sawtooth counter-knife mould frame 15 arranged on one side of a chopper 11, a rotating shaft 22 arranged at the bottom of the sawtooth counter-knife mould frame 15 and a plurality of sawtooth counter-knife mould first models 18 fixed on the rotating shaft 22 at equal intervals, a through groove 19 is formed in the sawtooth counter-knife mould frame 15 above each sawtooth counter-knife mould first model 18, the sawtooth counter-knife mould frame 15 corresponds to the sawtooth knife mould 14, and then the sawtooth counter-knife mould first models 18 and the sawtooth knife mould 14 at the bottom of the sawtooth counter-knife mould frame 15 are matched in a concave-convex fit manner, so that sawteeth of paper can be smoothly cut off, and scraps are adsorbed at the bottom of the sawtooth counter-knife mould first models 18;

next, the transmission assembly comprises a gear 1504 arranged at one end of the sawtooth inverse knife mold frame 15 and connected with a rotating shaft 22, a transmission gear arranged at one end of the chopping knife 11 and meshed with the gear 1504, and a transmission roller 1503 arranged at the top of one end of the chopping knife 11, wherein a motor is arranged at one end of the rotating shaft 22 connected with the gear 1504 during installation of the equipment, the motor is started after the sawtooth inverse knife mold 18 corresponds to the sawtooth knife mold 14, an output shaft of the motor drives the rotating shaft 22 to rotate, then the sawtooth inverse knife mold 18 is turned over for 180 degrees in the sawtooth inverse knife mold frame 15, at the moment, the bottom of the sawtooth inverse knife mold 18 faces the interior of the sawtooth inverse knife mold frame 15 and is communicated with the through groove 19, and because the turning process is fast, the chipped paper cannot fall down during turning, and then the paper chippings are brought to the position above the interior of the sawtooth inverse knife mold frame 15 by a negative pressure assembly communicated with the through groove 19 for storage;

in order to clean the broken paper scraps, the negative pressure assembly comprises a cleaning assembly arranged at the top inside the chopper 11 and used for cleaning broken paper and an air cavity 1501 arranged at the top of one side of the chopper 11, a feed groove 2001 is formed in the top inside the chopper 11 and communicated with the through groove 19, the cleaning assembly comprises a spiral plate 20 arranged inside the feed groove 2001 and connected with a conveying roller 1503, and a blanking groove 21 arranged at the other end of the chopper 11 and communicated with the feed groove 2001, the bottom of the blanking groove 21 is butted with the cutting rack 4, the air cavity 1501 is firstly externally connected with a pipeline and connected with an air suction pump, then under the condition that negative pressure is generated inside the air cavity 1501, the broken paper scraps located above the through groove 19 are continuously adsorbed, then the broken paper scraps 35434is easily adsorbed out of the top of the through groove 19, and because the conveying roller 1503, the gear 1504 and the transmission gear are mutually connected and meshed, the sawtooth falls into the through groove 1504 in the sawtooth counter knife die mold 18 in the process of overturning the saw tooth die at 180 degrees, and the spiral plate 20 falls into the through groove 21, so that the hollow paper scraps 21 conveniently fall into the hollow blanking groove 21 in the hollow die seat of the paper mold 2001.

The two ends of the rotating shaft 22 at the bottom of the chopping knife 11 are provided with a sawtooth reverse cutting die II 1801 (the shape and the size of the sawtooth reverse cutting die I18 are equal, so that the purpose is to realize compact design, and ensure that a large area of paper passes through the cutting frame 4 to the greatest extent);

the sawtooth reverse cutting die carrier 15 both ends have all been seted up spout 17, locking device includes the drive block of sliding connection on every spout 17 to and locate the mounting panel 16 between two drive blocks, and two the drive block passes through the nut locking.

Example 2: under normal conditions, the equipment needs to perform quick response, that is, the equipment needs to cut paper when the paper is cut with teeth, the paper is in a connected state, only teeth exist between two pieces of paper, at this time, the paper needs to be cut again at the teeth layer, in order to enable the equipment to cut paper quickly and achieve higher efficiency, a switching component for controlling and controlling the back-and-forth switching between the cutting knife on the chopping knife 11 and the saw teeth reverse knife mold type 18 is installed inside each of two ends of the saw teeth reverse knife mold frame 15, the switching component comprises a pair of electromagnets 23 installed inside each of two ends of the saw teeth reverse knife mold frame 15, and a sliding iron block 24 sliding on each sliding chute 17 (the magnetism is the same as that of the electromagnets 23 after being electrified, but a spring needs to be installed between the sliding iron block 24 and the sliding iron block 24 when the installation is performed, which is not shown in the figure and aims at resetting of the sliding iron block 24, and the sliding iron block 24 and the driving block slide and abut against each other. The switching component is in locking sliding contact with the nut, an excitation component for controlling the back and forth switching of a cutting knife 11 and a first sawtooth counterknife model 18 is installed on the cutting rack 4, connecting blocks 1202 are installed on two sides of the bottom of the cutting knife 11, when a first hydraulic rod 3 drives the sawtooth counterknife model frame 15 to descend so that the first sawtooth counterknife model 18 and the second sawtooth counterknife model 1801 contact with the sawtooth knife model 14, at the moment, paper is subjected to sawtooth processing, and then the sawtooth counterknife model frame 15 continuously presses downwards, the sawtooth counterknife model frame 15 firstly extrudes the excitation component to integrally descend and then touches the excitation component, so that the electromagnet 23 is electrified, the electromagnet 23 generates magnetism after being electrified and is used for adsorbing a slider block 24, so that the inner part of a sliding groove 17 on the cutting knife 11 is not supported and shielded, then driving blocks at two ends of the mounting plate 16 slide downwards along the groove wall of the sliding groove 17, and when the mounting plate 16 slides downwards, the sawtooth back knife mold frame 15 is supported by the exciting assembly when the sawtooth back knife mold frame 15 is driven to integrally slide downwards, the driving block on the mounting plate 16 can drive the sawtooth back knife mold frame 15 to ascend along the sliding groove 17 again, so that the chopping knife 11 descends at the original position of the sawtooth knife mold 14, the position of the sawtooth back knife mold frame 15 after the chopping knife 11 descends is higher than that of the chopping knife 11, the chopping knife 11 can punch the paper which is positioned on the sawtooth knife mold 14 and has been cut into sawtooth shapes, then the output rod of the first hydraulic rod 3 is quickly reset when the equipment cuts next paper again, the chopping knife 11 leaves, the exciting assembly quickly rebounds back the chopping knife 11, the driving blocks at the two ends of the mounting plate 16 abut against the sliding groove 17 when the chopping knife 11 ascends, then the electromagnet 23 is not electrified, the sliding iron block 24 is pushed again by the spring between the electromagnet 23 and the sliding iron block 24, and the bottom of the driving block abut against each other, completing one complete cutting work;

the exciting assembly comprises springs 25 arranged in the bottoms of two sides of the chopping knife 11 and a pair of switches 26 arranged at the bottom of the cutting rack 4, the bottom of the connecting block 1202 extends to the bottom of the chopping knife 11 to be contacted with the springs 25, the connecting block 1202 and the switches 26 correspond in the vertical direction, and as can be seen from fig. 11, the spring 25 is compressed by descending the whole chopping knife 11, so that the connecting block 1202 and the switches 26 are contacted, and the electromagnet 23 is electrified.

In order to keep the paper in a stable state before and after processing, leveling assemblies 5 are respectively arranged between the first hydraulic rod 3 and the cutting rack 4 on two sides of the rack 1, each leveling assembly 5 comprises a pair of motors 501 arranged on two sides of the rack 1, a first leveling plate 502 arranged on an output shaft of each motor 501, second leveling plates 505 arranged on two sides of the rack 1 and corresponding to the first leveling plates 502 up and down, a pair of sliding frames 503 arranged between each motor 501 and the cutting rack 4, and a middle roller 504 arranged in the middle of each sliding frame 503, a paper roll is conveyed to the transmission roller group 2 manually, then is drawn between the first leveling plates 502 and the second leveling plates 505 and then passes through the cutting rack 4, when the paper is processed and cut, the output shafts of the motors 501 drive the first leveling plates 502 to descend, the first leveling plates 502 and the output shafts of the motors 501 are in a threaded connection relationship, the two ends of the paper are leveled, then the middle of the paper is leveled by the rollers 504, and the stability of the paper during transportation is ensured.

The cutting machine frame 4 is characterized in that an inclined plate 13 is arranged at the bottom of a sawtooth cutting die 14, a leveling frame 10 is arranged in the middle of the machine frame 1, a plurality of rotary frames 27 are arranged on the leveling frame 10, a transmission conveying belt 9 is arranged at the bottom of the machine frame 1, paper is smoothly cut and then falls on the inclined plate 13, and then slides onto the rotary frames 27, each rotary frame 27 is provided with a plurality of branch rods, each branch rod automatically rotates for a certain angle after being impacted, and then the paper falls onto the transmission conveying belt 9 from the rotary frame 27 due to the gravity of the paper;

as can be seen from fig. 1-3, a baffle (not shown) is arranged above the transmission belt 9, and is used for sorting the end part of the dropped paper, so as to facilitate the later sewing and edge sealing treatment;

a pulling assembly 6 is installed between the rack 1 and the transmission belt 9, wherein the pulling assembly 6 can be seen from fig. 1 and other drawings, the motor drives the lead screw to rotate, so that the pulling assembly 6 moves back and forth on the rack 1 to pull the baffle to translate along the sliding rail above the transmission belt 9 (the sliding rail is not marked), paper is conveyed from one end of the transmission belt 9 to the other end, the whole work flow is completed, a connecting wire is arranged between the baffle and the pulling assembly 6, and the mechanism of the pulling assembly 6 is common in a real plant, and therefore is not described in detail in the invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic trimmer that can regulate and control, includes frame (1), locates drive roll group (2) of frame (1) one end, a pair of support frame (7) of locating frame (1) middle part both sides, locates cutting frame (4) between drive roll group (2) and support frame (7) to and locate second hydraulic stem (8) on every support frame (7), its characterized in that: the cutting device comprises a cutting frame (4), a first hydraulic rod (3) and a chopping knife (11), wherein the top of the cutting frame (4) is provided with the first hydraulic rod, one side of the cutting frame (4) is provided with the chopping knife (11), two ends of the chopping knife (11) are respectively provided with a mounting hole (1201), one side of the chopping knife (11) is provided with a cutting device for cutting the edge of a paper bag to form sawteeth, the other side of the chopping knife (11) is provided with a locking device for the cutting device, the bottom of the chopping knife (11) is arranged on a sawtooth knife die (14), the cutting device comprises a corresponding component matched with the sawtooth knife die (14), a transmission component arranged at one end of the corresponding component and used for driving the corresponding component to turn over, and a negative pressure component arranged at the top of the corresponding component and used for generating negative pressure to adsorb paper scraps, the corresponding component rotates and is communicated with the negative pressure component, and the paper scraps are sucked into the negative pressure component through the corresponding component;

the corresponding assembly comprises a sawtooth reverse cutting die frame (15) arranged on one side of the chopping knife (11), a rotating shaft (22) arranged at the bottom of the sawtooth reverse cutting die frame (15), and a plurality of sawtooth reverse cutting die I-shaped dies (18) fixed on the rotating shaft (22) at equal intervals, wherein a through groove (19) is formed in the sawtooth reverse cutting die frame (15) above each corresponding sawtooth reverse cutting die I-shaped die (18);

the transmission assembly comprises a gear (1504) arranged at one end of the sawtooth reverse knife mold frame (15) and connected with the rotating shaft (22), a transmission gear arranged at one end of the chopping knife (11) and meshed with the gear (1504), and a transmission roller (1503) arranged at the top of one end of the chopping knife (11);

the negative pressure assembly comprises a cleaning assembly arranged at the top inside the chopping knife (11) and used for cleaning scrap paper and an air cavity (1501) arranged at the top of one side of the chopping knife (11), the top inside the chopping knife (11) is provided with a feeding groove (2001) communicated with a through groove (19), the cleaning assembly comprises a spiral sheet (20) arranged inside the feeding groove (2001) and connected with a conveying roller (1503), and a blanking groove (21) arranged at the other end of the chopping knife (11) and communicated with the feeding groove (2001), and the bottom of the blanking groove (21) is butted with the cutting rack (4);

cut out frame (4) and install swash plate (13) in sawtooth cutting die (14) bottom, frame (1) mid-mounting has to flat frame (10), be equipped with a plurality of rungs (27) on flat frame (10), frame (1) bottom is installed the transmission and is sent area (9), frame (1) and transmission are sent and are installed pulling subassembly (6) between area (9).

2. The adjustable automatic paper cutter according to claim 1, characterized in that: the two ends of the bottom of the chopping knife (11) of the rotating shaft (22) are provided with sawtooth reverse cutting die two types (1801), switching components for controlling the positions of the chopping knife (11) and the sawtooth reverse cutting die one type (18) to be switched back and forth are installed inside the two ends of the sawtooth reverse cutting die frame (15), an exciting component for controlling the switching components to work is installed on the cutting rack (4), and connecting blocks (1202) are installed on the two sides of the bottom of the chopping knife (11);

the excitation assembly comprises springs (25) arranged in the bottoms of the two sides of the chopping knife (11) and a pair of switches (26) arranged at the bottom of the cutting frame (4), the bottom of the connecting block (1202) extends to the bottom of the chopping knife (11) to be contacted with the springs (25), and the connecting block (1202) and the switches (26) correspond to each other in the vertical direction.

3. The adjustable automatic paper cutter according to claim 2, characterized in that: switching module and locking device sliding contact, spout (17) have all been seted up at sawtooth counterknife die carrier (15) both ends, locking device includes the driving block of sliding connection on every spout (17) to and locate mounting panel (16) between two driving blocks, and two the driving block passes through the nut locking.

4. A controllable automatic paper cutter according to claim 3, characterized in that: the switching assembly comprises a pair of electromagnets (23) arranged inside two ends of the sawtooth reverse knife mold frame (15) and sliding iron blocks (24) sliding on each sliding groove (17), and the sliding iron blocks (24) are in sliding and abutting contact with the driving block.

5. The adjustable automatic paper cutter according to claim 1, characterized in that: frame (1) both sides are in all install flattening subassembly (5) between first hydraulic stem (3) and cutting machine frame (4), flattening subassembly (5) are including a pair of motor (501) of locating frame (1) both sides, locate first flattening board (502) on motor (501) output shaft, locate frame (1) both sides and first flattening board (502) second flattening board (505) that correspond from top to bottom together, a pair of balladeur train (503) of locating between every motor (501) and cutting machine frame (4) to and locate balladeur train (503) middle-mounted roller (504) in middle part.