Paper cutter

Abstract

The utility model discloses a paper cutting machine which comprises a base, two fourth side frame bodies are arranged on one side of the top end of the base, an upper pressing roller is rotationally installed on the inner wall of the upper end between the fourth side frame bodies, a lower pressing roller is rotationally installed on the inner wall of the fourth side frame bodies below the upper pressing roller, and one end of the lower pressing roller penetrates through the fourth side frame bodies and is provided with a limiting wheel. A cutting table is arranged at the top end of the base on one side of the fourth side frame body, two third side frame bodies are arranged at the top end of the base on one side of the cutting table, two second side frame bodies are arranged at the top end of the base on one side of the third side frame bodies, a belt transmission mechanism is arranged on the inner wall between the second side frame bodies and the third side frame bodies, and a rocking handle is installed on the outer wall of one second side frame body. According to the paper cutting machine, the cutting length of paper can be positioned, the paper can be cut into the specified width, the cutting precision and effect of the paper can be guaranteed when the paper cutting machine is used, and the phenomenon that the paper is located on the outer wall of the unwinding roller and loosens and falls off is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting machine technical field, concretely is paper cutting machine. BACKGROUND

[0002] Paper is a kind of widely used material, mainly by plant fiber, these plant fibers are made into sheet through pulping, modulation, making, processing etc. Process flow, for writing, printing, packaging, hygiene etc. Other purposes, and the paper used on the book belongs to the paper of a kind, when producing and processing this kind of paper, paper is cut into specified specification, thus it is particularly important to develop a kind of paper cutting machine.

[0003] Referring to the announcement No. CN2394768Y table type paper cutting machine, it is composed of medium fiber plate, cutting knife hinged with medium fiber plate and PVC skin printed with square grid closely connected on medium fiber plate through suction plastic process, the table type paper cutting machine is very beautiful, scale is clear, durable, very convenient to use and simple manufacturing process, according to the above, the paper cutting machine can be better applied, but usually inconvenient for the accurate positioning of paper cutting length, can only rely on subjective judgment of personnel, and thus the cutting precision of the paper cutting machine for paper is difficult to reach the intended expectation, often perplexing users. UTILITY MODEL CONTENT

[0004] The utility model aims at providing paper cutting machine to solve the above background art that the paper cutting machine can be better applied, but usually inconvenient for the accurate positioning of paper cutting length, can only rely on subjective judgment of personnel, and thus the cutting precision of the paper cutting machine for paper is difficult to reach the intended expectation.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: Paper cutter, including base, the one side of base top is equipped with two fourth side frame body, the upper end inner wall between fourth side frame body is equipped with the upper pressure roller of rotation installation, the lower pressure roller is equipped with the rotation installation on the inner wall of fourth side frame body below the upper pressure roller, one end of lower pressure roller penetrates fourth side frame body and is equipped with limit wheel, the top of base of fourth side frame body one side is equipped with cutting station, the top of base of cutting station one side is equipped with two third side frame body, the top of base of third side frame body one side is equipped with two second side frame body, the inner wall between second side frame body and third side frame body is equipped with belt transmission mechanism, the outer wall of one second side frame body is installed with crank handle, one end of crank handle penetrates second side frame body and is connected with one end of belt transmission mechanism, the end away from crank handle of belt transmission mechanism is equipped with pivot, one end of pivot penetrates third side frame body and is equipped with linkage arm, the inner wall of lower end of linkage arm is equipped with limit block, the end away from linkage arm of limit block extends to the inside of limit wheel, the outer wall of cutting station away from fourth side frame body one side is installed with control panel, the outer wall of cutting station above control panel is equipped with the first cutting knife of rotation installation.

[0006] Preferably, the top of base of fourth side frame body away from cutting station side is equipped with two first side frame body, the inner wall between first side frame body is equipped with unwinding roller of rotation installation, through the setting of unwinding roller, in order to carry out unwinding treatment to paper.

[0007] Preferably, the outer wall of first side frame body is installed with reduction motor, one end of reduction motor is connected with one end of unwinding roller, the input end of reduction motor and the output end of single-chip microcomputer inside control panel are electrically connected, through the setting of reduction motor, in order to drive unwinding roller to rotate.

[0008] Preferably, the top of base of cutting station away from third side frame body side is equipped with two support frames, the top of support frame is equipped with first rotary drive, the input end of first rotary drive and the output end of single-chip microcomputer inside control panel are electrically connected, through the setting of first rotary drive, in order to drive first lead screw to rotate.

[0009] Preferably, one end of first rotary drive is equipped with first lead screw, the outer wall of first lead screw is all equipped with nut seat of screw thread installation, the inner wall between nut seat is equipped with second lead screw of rotation installation, through the setting of second lead screw, in order to carry out the installation treatment to lifting frame.

[0010] Preferably, guiding rods are fixed on the inner walls of the nut seats on both sides of the second screw rod, a lifting frame is threadedly installed on the outer wall of the second screw rod, the lifting frame is movably connected with the guiding rods, a second rotary driving element is installed on the outer wall of one of the nut seats, one end of the second rotary driving element is connected with one end of the second screw rod, and the input end of the second rotary driving element is electrically connected with the output end of the single-chip microcomputer in the control panel.

[0011] Preferably, a third rotary driving element is installed at the top end of the lifting frame, the bottom end of the third rotary driving element extends to the inside of the lifting frame and is provided with a third screw rod, the input end of the third rotary driving element is electrically connected with the output end of the single-chip microcomputer in the control panel, and guiding columns are fixed in the lifting frame on both sides of the third screw rod.

[0012] Preferably, a knife holder is threadedly installed on the outer wall of the third screw rod, the knife holder is movably connected with the guiding columns, and a second cutter is installed at the bottom end of the knife holder, so that the paper can be cut to a specified width.

[0013] Compared with the prior art, the paper cutting machine has the advantages that the cutting length of the paper can be positioned, the paper can be cut to a specified width, the cutting precision and effect of the paper cutting machine are ensured, and the phenomenon that the paper on the outer wall of the unwinding roller is loosened and falls off is reduced.

[0014] (1) By penetrating one end of the paper wound on the outer wall of the unwinding roller through the upper and lower pressing rollers and pulling it above the cutting table, the outer walls of the lower and upper pressing rollers are attached to the outer wall of the paper, so that the paper being pulled and transferred is driven by the lower pressing roller to rotate the limiting wheel by a corresponding amplitude, so that the groove on the outer wall of the limiting wheel is correspondingly rotated, then the handle is rotated, which drives the rotating shaft to rotate through the belt transmission mechanism, and the rotating shaft drives the limiting block to rotate and insert into one of the grooves on the outer wall of the limiting wheel through the linkage arm, so as to limit the continuous rotation of the lower pressing roller and the movement of the paper, thereby positioning the cutting length of the paper, and ensuring the cutting precision of the paper cutting machine during use.

[0015] (2) through two first rotation driving piece drive first screw rod synchronous rotation, make the nut seat located first screw rod outer wall slip, to adjust the position of second cutting knife before and after, again through the third rotation driving piece drive third screw rod rotation, make the knife rest located third screw rod and guide column outer wall slip, above and below adjust the position of second cutting knife, and make second cutting knife lower and contact the top end of cutting table, when second rotation driving piece drive second screw rod rotation, lifting frame located second screw rod and guide rod outer wall slip, to adjust the position of second cutting knife left and right, that is, the second cutting knife can cut the paper into specified width, thereby further guarantee the cutting effect of paper cutter to paper;

[0016] (3) through the slow rotation of the unwinding roller driven by the speed reducer motor, the paper wound on the outer wall of the unwinding roller is unwound, when the unwinding roller stops rotating, the paper is no longer continuously pulled and transferred, and the upper pressing roller cooperates with the lower pressing roller to ensure the tension of the paper, thereby reducing the phenomenon that the paper on the outer wall of the unwinding roller is loose and falls off. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0019] Figure 3 It is a lower pressing roller side view structure schematic diagram of the utility model;

[0020] Figure 4 It is a limiting block structure schematic diagram of the utility model;

[0021] Figure 5 It is a lifting frame bottom view structure schematic diagram of the utility model.

[0022] In the drawing: 1, base; 2, first side frame body; 3, unwinding roller; 4, speed reducer motor; 5, second side frame body; 6, third side frame body; 7, belt transmission mechanism; 8, rocking handle; 9, rotating shaft; 10, linkage arm; 11, fourth side frame body; 12, upper pressing roller; 13, cutting table; 14, first cutting knife; 15, control panel; 16, support frame; 17, first rotation driving piece; 18, first screw rod; 19, nut seat; 20, second screw rod; 21, guide rod; 22, second rotation driving piece; 23, lifting frame; 24, third rotation driving piece; 25, third screw rod; 26, guide column; 27, knife rest; 28, second cutting knife; 29, lower pressing roller; 30, limiting wheel; 31, limiting block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: paper cutting machine, including base 1, one side of base 1 top end is equipped with two fourth side frame body 11, the top end of base 1 away from cutting table 13 one side of fourth side frame body 11 is equipped with two first side frame body 2, the inner wall between first side frame body 2 is rotatably installed with unwinding roller 3;

[0025] When using, the setting of unwinding roller 3 is convenient for unwinding paper;

[0026] The outer wall of first side frame body 2 is installed with reduction motor 4, and one end of reduction motor 4 is connected with one end of unwinding roller 3, and the input end of reduction motor 4 is electrically connected with the output end of single-chip microcomputer inside control panel 15;

[0027] When using, the setting of reduction motor 4 is convenient for driving unwinding roller 3 to rotate;

[0028] The upper end inner wall between fourth side frame body 11 is rotatably installed with upper compression roller 12, and the inner wall of fourth side frame body 11 below upper compression roller 12 is rotatably installed with lower compression roller 29, one end of lower compression roller 29 penetrates fourth side frame body 11 and is equipped with limit wheel 30, and the top end of base 1 on one side of fourth side frame body 11 is equipped with cutting table 13, and the top end of base 1 on the side away from third side frame body 6 of cutting table 13 is equipped with two support frames 16, and the top end of support frame 16 is equipped with first rotary drive 17, and the input end of first rotary drive 17 is electrically connected with the output end of single-chip microcomputer inside control panel 15;

[0029] When using, the setting of first rotary drive 17 is convenient for driving first lead screw 18 to rotate;

[0030] One end of first rotary drive 17 is equipped with first lead screw 18, and the outer wall of first lead screw 18 is all screw-mounted with nut seat 19, and the inner wall between nut seat 19 is rotatably installed with second lead screw 20;

[0031] When using, the setting of second lead screw 20 is convenient for disposing lifting frame 23;

[0032] The inner wall of the nut seat 19 on both sides of the second screw rod 20 is fixed with a guide rod 21, the outer wall of the second screw rod 20 is threadedly installed with a lifting frame 23, the lifting frame 23 is movably connected with the guide rod 21, the outer wall of one nut seat 19 is installed with a second rotary driving part 22, one end of the second rotary driving part 22 is connected with one end of the second screw rod 20, and the input end of the second rotary driving part 22 is electrically connected with the output end of the single-chip microcomputer in the control panel 15.

[0033] In use, the second screw rod 20 is driven to rotate through the second rotary driving part 22.

[0034] The top end of the lifting frame 23 is installed with a third rotary driving part 24, the bottom end of the third rotary driving part 24 extends to the inside of the lifting frame 23 and is provided with a third screw rod 25, the input end of the third rotary driving part 24 is electrically connected with the output end of the single-chip microcomputer in the control panel 15, and the inside of the lifting frame 23 on both sides of the third screw rod 25 is fixed with a guide column 26.

[0035] In use, the third screw rod 25 is driven to rotate through the third rotary driving part 24.

[0036] The outer wall of the third screw rod 25 is threadedly installed with a tool rest 27, the tool rest 27 is movably connected with the guide column 26, and the bottom end of the tool rest 27 is installed with a second cutter 28.

[0037] In use, the second cutter 28 is arranged to cut the paper into a specified width.

[0038] The top end of the base 1 on one side of the cutting table 13 is provided with two third side frame bodies 6, the top end of the base 1 on one side of the third side frame body 6 is provided with two second side frame bodies 5, the inner wall between the second side frame body 5 and the third side frame body 6 is provided with a belt transmission mechanism 7, the outer wall of one second side frame body 5 is installed with a handle 8, one end of the handle 8 penetrates through the second side frame body 5 and is connected with one end of the belt transmission mechanism 7, the end of the belt transmission mechanism 7 away from the handle 8 is provided with a rotating shaft 9, one end of the rotating shaft 9 penetrates through the third side frame body 6 and is provided with a linkage arm 10, the inner wall of the lower end of the linkage arm 10 is provided with a limiting block 31, one end of the limiting block 31 away from the linkage arm 10 extends to the inner side of the limiting wheel 30, the outer wall of the cutting table 13 away from the fourth side frame body 11 is installed with a control panel 15, and the outer wall of the cutting table 13 above the control panel 15 is rotatably installed with a first cutter 14.

[0039] In use, the embodiment of the application first pulls the paper wound on the outer wall of the unwinding roller 3 above the upper cutting table 13 after penetrating the upper and lower pressure rollers 12 and 29, and then rotates the limiting wheel 30 by the outer wall of the lower pressure roller 29 and the upper pressure roller 12 abutting the outer wall of the paper, so that the recess of the outer wall of the limiting wheel 30 rotates correspondingly, and then rotates the handle 8 to drive the rotating shaft 9 to rotate through the belt transmission mechanism 7, and the rotating shaft 9 drives the limiting block 31 to rotate and insert into a recess in the outer wall of the limiting wheel 30 through the connecting arm 10, so as to limit the continuous rotation of the lower pressure roller 29 and the movement of the paper, and the cutting length of the paper can be positioned. At this time, the cutting area of the paper is below the first cutter 14, and the first cutter 14 can cut the paper by pressing downward. Then, the first screw rod 18 is driven to rotate synchronously by the two first rotary driving members 17, so that the nut seat 19 on the outer wall of the first screw rod 18 slides to adjust the position of the second cutter 28 forward and backward. Then, the third screw rod 25 is driven to rotate by the third rotary driving member 24, so that the knife holder 27 on the outer wall of the third screw rod 25 and the guide column 26 slides to adjust the position of the second cutter 28 upward and downward, and the second cutter 28 moves downward to abut the top end of the cutting table 13. When the second screw rod 20 is driven to rotate by the second rotary driving member 22, the lifting frame 23 on the outer wall of the second screw rod 20 and the guide rod 21 slides to adjust the position of the second cutter 28 left and right, so that the second cutter 28 can cut the paper to the specified width as needed. Finally, the unwinding roller 3 is driven to rotate slowly by the speed reducer motor 4 to unwind the paper wound on the outer wall of the unwinding roller 3. When the unwinding roller 3 stops rotating, the paper no longer continues to move and transfer, and the upper pressure roller 12 cooperates with the lower pressure roller 29 to ensure the tension of the paper, thereby effectively reducing the phenomenon of loosening and falling of the paper on the outer wall of the unwinding roller 3, thereby completing the use of the paper cutting machine.

Claims

1. A paper cutter, characterized in that: The system includes a base (1), with two fourth side frames (11) on one side of the top of the base (1). An upper pressure roller (12) is rotatably mounted on the upper inner wall between the fourth side frames (11). A lower pressure roller (29) is rotatably mounted on the inner wall of the fourth side frame (11) below the upper pressure roller (12). One end of the lower pressure roller (29) passes through the fourth side frame (11) and is provided with a limiting wheel (30). A cutting table (13) is provided at the top of the base (1) on one side of the fourth side frame (11). Two third side frames (6) are provided at the top of the base (1) on one side of the cutting table (13). Two second side frames (5) are provided at the top of the base (1) on one side of the third side frames (6). A belt drive is provided on the inner wall between the second side frames (5) and the third side frames (6). The mechanism (7) has a crank (8) installed on the outer wall of the second side frame (5). One end of the crank (8) passes through the second side frame (5) and is connected to one end of the belt drive mechanism (7). The belt drive mechanism (7) has a rotating shaft (9) at the end away from the crank (8). One end of the rotating shaft (9) passes through the third side frame (6) and has a linkage arm (10). A limit block (31) is provided on the inner wall of the lower end of the linkage arm (10). The end of the limit block (31) away from the linkage arm (10) extends to the inner side of the limit wheel (30). A control panel (15) is installed on the outer wall of the cutting table (13) away from the fourth side frame (11). A first cutter (14) is rotatably installed on the outer wall of the cutting table (13) above the control panel (15).

2. The paper cutter according to claim 1, characterized in that: The base (1) of the fourth side frame (11) away from the cutting table (13) has two first side frames (2) at its top, and a unwinding roller (3) is rotatably installed on the inner wall between the first side frames (2).

3. The paper cutter according to claim 2, characterized in that: A geared motor (4) is installed on the outer wall of the first side frame (2). One end of the geared motor (4) is connected to one end of the unwinding roller (3). The input end of the geared motor (4) is electrically connected to the output end of the microcontroller inside the control panel (15).

4. The paper cutter according to claim 1, characterized in that: The cutting table (13) has two support frames (16) at the top of the base (1) on the side away from the third side frame (6). The top of each support frame (16) is provided with a first rotary drive (17). The input end of the first rotary drive (17) is electrically connected to the output end of the microcontroller inside the control panel (15).

5. The paper cutter according to claim 4, characterized in that: One end of the first rotary drive (17) is provided with a first lead screw (18), and a nut seat (19) is threadedly installed on the outer wall of the first lead screw (18). A second lead screw (20) is rotatably installed on the inner wall between the nut seats (19).

6. The paper cutter according to claim 5, characterized in that: Guide rods (21) are fixed on the inner walls of the nut seats (19) on both sides of the second lead screw (20). A lifting frame (23) is threaded on the outer wall of the second lead screw (20). The lifting frame (23) is movably connected to the guide rod (21). A second rotary drive (22) is installed on the outer wall of one of the nut seats (19). One end of the second rotary drive (22) is connected to one end of the second lead screw (20). The input end of the second rotary drive (22) is electrically connected to the output end of the microcontroller inside the control panel (15).

7. The paper cutter according to claim 6, characterized in that: The top of the lifting frame (23) is equipped with a third rotary drive (24), the bottom end of the third rotary drive (24) extends into the interior of the lifting frame (23) and is provided with a third lead screw (25), the input end of the third rotary drive (24) is electrically connected to the output end of the microcontroller inside the control panel (15), and guide columns (26) are fixed inside the lifting frame (23) on both sides of the third lead screw (25).

8. The paper cutter according to claim 7, characterized in that: A tool holder (27) is threaded onto the outer wall of the third lead screw (25). The tool holder (27) is movably connected to the guide post (26). A second cutter (28) is installed at the bottom end of the tool holder (27).

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