Blade angle adjusting device of computer paper cutter

The blade angle adjustment device, driven by a worm gear and servo motor, solves the problem of the inability to adjust the blades of existing computer paper cutters, and realizes flexible adjustment of the blade angle and precise cutting.

CN224224060UActive Publication Date: 2026-05-12DONGGUAN JIASUI PACKAGING PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN JIASUI PACKAGING PROD CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The blades of existing computer paper cutters are fixed with bolts, which prevents flexible angle adjustment and fails to meet the cutting needs of different types of paper, thus limiting the application range of paper cutters.

Method used

The worm gear transmission system, combined with a servo motor drive, enables electric adjustment and stable fixing of the blade angle. The horizontal movement and position adjustment of the blade are achieved in conjunction with the slider and screw transmission.

Benefits of technology

It enables flexible adjustment of the blade angle to adapt to the cutting needs of different types of paper, thereby improving the working efficiency and cutting accuracy of the paper cutter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a blade angle adjusting device of a computer paper cutter, and belongs to the technical field of paper cutters. The blade angle adjusting device of the computer paper cutter comprises a placing mechanism and an adjusting mechanism, the placing mechanism comprises a box body, and a cutting bottom plate is installed at the upper end of the box body; the adjusting mechanism comprises a pair of sliding sleeves, the sliding sleeves are arranged at the two ends of the box body correspondingly, moving blocks are slidably installed in the sliding sleeves correspondingly, a moving box is fixedly installed between the moving blocks, a movable seat is slidably installed at the bottom end of the moving box, a blade is rotationally connected into the movable seat, and a transmission box is fixedly installed on one side of the movable seat. A first electric telescopic rod is arranged in each sliding sleeve, the top ends of the pair of first electric telescopic rods are connected with the bottom ends of the pair of moving blocks respectively, and the bottom ends of the pair of first electric telescopic rods are connected with the two sides of the box body respectively, the practicability of the blade angle adjusting device can be effectively improved, and the blade angle adjusting device has high practical value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting machine technical field, concretely is a computer paper cutting machine blade angle adjusting device. BACKGROUND

[0002] At present, along with the development of printing technology, printing equipment includes paper cutting machine, and the paper cutting machine is used to handle the paper cutting demand in the later printing period, develops from mechanical paper cutting machine to magnetic tape control type paper cutting machine, and develops to microcomputer program control, color display, full image operation guide visual processing, computer aided cutting external programming and editing production data cutting system.

[0003] Based on the above, the inventor finds that there are the following problems: most of the computer paper cutting machines on the current market adopt the way of fixing the blade by bolts, and the blades are tightly fixed on the blade holder by multiple groups of bolts. Although this fixing structure can ensure the stability of the blade during normal cutting, the relative position between the blade and the blade holder is completely locked, and the angle cannot be flexibly adjusted. Different types of paper, such as art paper, corrugated paper, and rice paper, have significant differences in material hardness and toughness, and the angle requirements of the cutting blade are also different. The existing bolt-fixed blade cannot meet these diversified needs, which greatly limits the application range of the paper cutting machine.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a computer paper cutting machine blade angle adjusting device is provided to achieve a more practical value. INVENTION CONTENTS

[0005] The utility model aims at providing a computer paper cutting machine blade angle adjusting device to solve the problem that the existing bolt-fixed blade cannot meet these diversified needs and greatly limits the application range of the paper cutting machine as proposed in the background technology.

[0006] In view of the above problems, the technical scheme provided by the utility model is:

[0007] A computer paper cutting machine blade angle adjusting device, comprising a placing mechanism and an adjusting mechanism, the placing mechanism comprises a box body, and a cutting bottom plate is installed at the upper end of the box body; the adjusting mechanism comprises a pair of sliding sleeves, a pair of sliding sleeves are arranged at both ends of the box body, a moving block is slidably installed in each sliding sleeve, a moving box is fixedly installed between a pair of moving blocks, an activity seat is slidably installed at the bottom end of the moving box, a blade is rotatably connected in the activity seat, a transmission box is fixedly installed on one side of the activity seat, a first electric telescopic rod is arranged in each sliding sleeve, the top ends of a pair of first electric telescopic rods are connected with the bottom ends of a pair of moving blocks respectively, and the bottom ends of a pair of first electric telescopic rods are connected with the two sides of the box body respectively.

[0008] Further, the transmission box is internally rotatably connected with a worm gear, and a side central shaft of the worm gear is connected with a side central shaft of the blade.

[0009] The beneficial effect of the above further scheme is that the worm gear is connected with the blade central shaft to provide transmission basis for the angle adjustment of the blade, and the rotation of the worm gear can drive the blade to rotate synchronously, so as to realize the adjustment of the blade angle to adapt to different cutting angle requirements.

[0010] Further, the transmission box is internally rotatably connected with a worm gear, and a side of the worm gear is rotatably connected with a worm gear, and the worm gear and the worm gear are meshed with each other.

[0011] The beneficial effect of the above further scheme is that the worm gear and the worm gear are meshed with each other, and the rotation of the worm gear is converted into the rotation of the worm gear by using the characteristics of the worm gear and the worm gear transmission, and then the blade is driven to rotate; at the same time, the worm gear and the worm gear transmission have self-locking function, and the stable fixation of the blade angle can be realized to ensure the accuracy of the cutting angle.

[0012] Further, the transmission box is internally rotatably connected with a worm gear, and a worm gear is rotatably connected with a worm gear, and the worm gear and the worm are meshed with each other.

[0013] The beneficial effect of the above further scheme is that the first servo motor provides power for the worm gear, and drives the worm gear to rotate through the transmission device, so as to drive the worm gear and the blade to rotate, realize the electric adjustment of the blade angle, and the operation is convenient and fast, the blade angle can be quickly adjusted according to the cutting requirement, and the working efficiency is improved.

[0014] Further, the transmission box is internally rotatably connected with a worm gear, and a screw is rotatably connected with a worm gear, and the screw is rotatably connected with a worm gear, and the worm gear and the worm are mesh with each other.

[0015] The beneficial effect of the above further scheme is that the screw is threadedly connected with the sliding block, and when the screw is rotated, the sliding block can move along the axial direction of the screw, so as to drive the movable seat and the blade to slide horizontally in the moving box, and the paper can be cut by the blade.

[0016] Further, the transmission box is internally rotatably connected with a worm gear, and a second bevel gear is rotatably connected with a first bevel gear on one side of the first bevel gear on the top end of the moving box, and the first bevel gear and the second bevel gear are meshed with each other.

[0017] The beneficial effect of the above further scheme is that the first bevel gear and the second bevel gear are meshed with each other, the transmission direction can be changed, the power of the second servo motor is transmitted to the screw, the screw is rotated, and the adjustment of the position of the sliding block and the blade is realized.

[0018] Further, the upper end of the moving box is fixedly provided with a second servo motor, and the output end of the second servo motor is in transmission connection with a second bevel gear.

[0019] The second servo motor provides power for the reciprocating movement of the blade, and through the transmission with the second bevel gear, the first bevel gear and the screw rod are driven to rotate, so that the horizontal movement of the sliding block and the blade is realized.

[0020] Further, the upper end of the moving box is fixedly provided with a second servo motor, the output end of the second servo motor is in transmission connection with a second bevel gear. The second servo motor provides power for the reciprocating movement of the blade, and through the second bevel gear, the first bevel gear and the screw rod are driven to rotate.

[0021] The second electric telescopic rod can drive the pressing plate to ascend and descend, and when the paper needs to be cut, the second electric telescopic rod works to make the pressing plate press down and tightly fix the paper on the cutting bottom plate, so that the movement or deviation of the paper during the cutting process is prevented, and the accuracy and quality of the cutting are ensured.

[0022] Further, the side of the sliding sleeve is fixedly provided with a control panel.

[0023] The control panel is used for controlling the operation of the electric telescopic rods and the servo motor, so that the control of the entire blade angle adjusting device of the computerized paper cutting machine is realized, the operation is simple and intuitive, and the working efficiency and the use convenience are improved.

[0024] Compared with the prior art, the beneficial effects of the computerized paper cutting machine blade angle adjusting device are as follows: the box body of the placing mechanism and the cutting bottom plate provide a basic platform for paper placing and cutting; in the adjusting mechanism, the first electric telescopic rod can drive the moving block and the moving box to ascend and descend along the sliding sleeve, so that the height of the blade is adjusted; the sliding connection between the moving box and the movable seat cooperates with the screw transmission to drive the reciprocating movement of the blade, and then the paper is cut; the blade in the movable seat realizes angle adjustment through the transmission box, and the components work cooperatively, so that different cutting requirements can be met, accurate cutting is realized, the worm and the worm wheel are meshed with each other, the rotation of the worm is converted into the rotation of the worm wheel through the characteristics of the worm and worm wheel transmission, and then the blade is rotated; at the same time, the worm and worm wheel transmission has a self-locking function, so that the stability and fixation of the blade angle can be realized, and the cutting angle is ensured to be accurate and correct. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The computerized paper cutting machine blade angle adjusting device disclosed in the embodiments of the utility model is a three-dimensional structure schematic view;

[0026] Figure 2 The adjusting mechanism three-dimensional structure schematic view of the computerized paper cutting machine blade angle adjusting device disclosed in the embodiments of the utility model is a schematic view of the adjusting mechanism three-dimensional structure of the computerized paper cutting machine blade angle adjusting device.

[0027] Figure 3 The utility model discloses a computer paper cutting machine blade angle adjusting device's transmission case positive section view schematic drawing is disclosed for the embodiment of the utility model;

[0028] Figure 4 The utility model discloses a computer paper cutting machine blade angle adjusting device's moving box horizontal section view schematic drawing is disclosed for the embodiment of the utility model.

[0029] In the drawing: 1, placing mechanism;101, box body;102, cutting base plate;103, second electric telescopic link;104, pressing plate;2, adjusting mechanism;201, sliding sleeve;202, first electric telescopic link;203, moving block;204, moving box;205, second servo motor;206, movable seat;207, transmission case;208, blade;209, control panel;210, worm wheel;211, worm;212, first servo motor;213, screw;214, sliding block;215, second bevel gear;216, first bevel gear. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0031] Please refer to Figures 1-4The utility model provides a technical scheme: a computer paper cutting machine blade angle adjusting device, including placing mechanism 1, adjusting mechanism 2, placing mechanism 1 includes box 101, the upper end of box 101 is installed with cutting base plate 102, adjusting mechanism 2 includes a pair of sliding sleeves 201, a pair of sliding sleeves 201 are arranged respectively in the both ends of box 101, the inside of sliding sleeve 201 all slidingly installs moving block 203, a pair of moving block 203 between fixed mounting has moving box 204, the bottom of moving box 204 slidingly installs movable seat 206, the inside rotationally connected with blade 208 of movable seat 206, the one side fixed mounting of movable seat 206 has transmission box 207, the inside of sliding sleeve 201 all is equipped with first electric telescopic handle 202, a pair of first electric telescopic handle 202 top respectively with a pair of moving block 203 bottom connection, a pair of first electric telescopic handle 202 bottom respectively with the both sides of box 101 connection, the box 101 of placing mechanism 1 and cutting base plate 102 provide the basic platform of paper placement and cutting, in adjusting mechanism 2, first electric telescopic handle 202 can drive moving block 203 and moving box 204 along sliding sleeve 201 and lift, adjust the height of blade 208, moving box 204 and movable seat 206's sliding connection cooperation screw rod 213 transmission, drive blade 208 reciprocating movement, and then cut paper, the blade 208 in movable seat 206 realizes angle adjustment through transmission box 207, and each component cooperates and works, can satisfy different cutting needs, realizes accurate cutting.

[0032] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Please refer to Figures 1-4The inside of the transmission box 207 is rotatably connected with a worm wheel 210, one side of the central shaft of the worm wheel 210 is connected with one side of the central shaft of the blade 208, the inside of the transmission box 207 is rotatably connected with a worm gear 211 on one side of the worm wheel 210, the worm gear 211 and the worm wheel 210 are in mesh with each other, the upper end of the transmission box 207 is fixedly installed with a first servo motor 212, the output end of the first servo motor 212 is in transmission connection with the worm gear 211, the inside of the moving box 204 is rotatably connected with a screw rod 213, the screw rod 213 is threadedly connected with a sliding block 214, the bottom end of the sliding block 214 is fixedly connected with the top end of the movable seat 206, one end of the screw rod 213 is sleeved with a first bevel gear 216, the inside of the moving box 204 is rotatably connected with a second bevel gear 215 on the top end on one side of the first bevel gear 216, the first bevel gear 216 and the second bevel gear 215 are in mesh with each other, the upper end of the moving box 204 is fixedly installed on one side with a second servo motor 205, the output end of the second servo motor 205 is in transmission connection with the second bevel gear 215, the worm wheel 210 is connected with the central shaft of the blade 208, which provides a transmission basis for the angle adjustment of the blade 208, the rotation of the worm wheel 210 can drive the blade 208 to rotate synchronously, so as to realize the adjustment of the angle of the blade 208 to adapt to different cutting angle requirements, the worm gear 211 and the worm wheel 210 are in mesh with each other, the characteristics of the worm gear transmission are utilized to convert the rotation of the worm gear 211 into the rotation of the worm wheel 210, and then drive the blade 208 to rotate; at the same time, the worm gear transmission has a self-locking function, which can realize the stable fixing of the angle of the blade 208 and ensure the accuracy of the cutting angle, the first servo motor 212 provides power for the worm gear 211, drives the worm gear 211 to rotate through the transmission device, and then drives the worm wheel 210 and the blade 208 to rotate, realizes the electric adjustment of the angle of the blade 208, is convenient and fast to operate, can quickly adjust the angle of the blade 208 according to the cutting requirements, improves the work efficiency, the screw rod 213 is threadedly connected with the sliding block 214, when the screw rod 213 rotates, the sliding block 214 can move along the axis direction of the screw rod 213, so as to drive the movable seat 206 and the blade 208 to slide horizontally in the moving box 204, which is convenient for cutting paper by using the blade 208, the first bevel gear 216 and the second bevel gear 215 are in mesh, the transmission direction can be changed, the power of the second servo motor 205 is transmitted to the screw rod 213, so that the screw rod 213 rotates, and then the adjustment of the positions of the sliding block 214 and the blade 208 is realized, the second servo motor 205 provides power for the reciprocating movement of the blade 208, drives the first bevel gear 216 and the screw rod 213 to rotate through the transmission with the second bevel gear 215, realizes the horizontal movement of the sliding block 214 and the blade 208, the electric adjustment mode is simple and convenient to operate, improves the work efficiency and cutting precision of the paper cutting machine.

[0034] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0035] Please refer to Figures 1-4 The upper end of the cutting base plate 102 is provided with a second electric telescopic rod 103 on both sides, a pressing plate 104 is fixedly installed between the top ends of the pair of second electric telescopic rods 103, one side of the sliding sleeve 201 is fixedly installed with a control panel 209, the second electric telescopic rod 103 can drive the pressing plate 104 to lift, when the paper needs to be cut, the second electric telescopic rod 103 works, the pressing plate 104 is pressed down, the paper is tightly fixed on the cutting base plate 102, the paper is prevented from moving or deviating during the cutting process, the accuracy and quality of the cutting are ensured, the control panel 209 is used for controlling the operation of each electric telescopic rod and servo motor, the control of the whole paper cutter blade angle adjusting device is realized, the operation is simple and intuitive, the work efficiency and the use convenience are improved.

[0036] Specifically, the working principle of the computer paper cutter blade angle adjusting device is as follows: when in use, the paper is placed on the cutting base plate 102 on the box body 101, the second electric telescopic rod 103 is started through the control panel 209, and the pressing plate 104 is driven to press down and fix the paper; if the angle of the blade 208 needs to be adjusted, the first servo motor 212 is operated, the blade 208 is rotated to the appropriate angle through the meshing transmission of the worm 211 and the worm wheel 210, then the first electric telescopic rod 202 is controlled to extend and retract through the control panel 209, the moving block 203 and the moving box 204 are driven to lift along the sliding sleeve 201, so that the bottom end of the blade 208 abuts against the surface of the paper; then, the second servo motor 205 is started, the sliding block 214 is moved through the transmission of the second bevel gear 215 and the first bevel gear 216, the movable seat 206 and the blade 208 are driven to slide horizontally in the moving box 204, so that the blade 208 in contact with the paper slides on the surface of the paper, and then the cutting of the paper is completed, the components are cooperated to realize the accurate cutting of the paper.

[0037] It should be noted that the standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming by the person skilled in the art, which belongs to the common knowledge in the art, and the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

Claims

1. A blade angle adjustment device for a computer-controlled paper cutter, characterized in that, The system includes a placement mechanism (1) and an adjustment mechanism (2). The placement mechanism (1) includes a housing (101), and a cutting base plate (102) is installed on the upper end of the housing (101). The adjustment mechanism (2) includes a pair of sliding sleeves (201), which are respectively disposed at both ends of the housing (101). A moving block (203) is slidably installed inside each sliding sleeve (201). A moving box (204) is fixedly installed between the pair of moving blocks (203). 4) A movable seat (206) is slidably installed at the bottom end. A blade (208) is rotatably connected inside the movable seat (206). A transmission box (207) is fixedly installed on one side of the movable seat (206). The sliding sleeve (201) is provided with a first electric telescopic rod (202). The top ends of a pair of first electric telescopic rods (202) are respectively connected to the bottom ends of a pair of moving blocks (203). The bottom ends of a pair of first electric telescopic rods (202) are respectively connected to the two sides of the box body (101).

2. The computer paper cutter blade angle adjustment device according to claim 1, characterized in that, The transmission box (207) is rotatably connected to a worm gear (210), and one side of the central axis of the worm gear (210) is connected to one side of the central axis of the blade (208).

3. The computer paper cutter blade angle adjustment device according to claim 2, characterized in that, The transmission box (207) is rotatably connected to a worm (211) on one side of the worm wheel (210), and the worm (211) meshes with the worm wheel (210).

4. The computer paper cutter blade angle adjustment device according to claim 3, characterized in that, The upper end of the transmission box (207) is fixedly installed with a first servo motor (212), and the output end of the first servo motor (212) is connected to the worm gear (211) for transmission.

5. The computer-controlled paper cutter blade angle adjustment device according to claim 1, characterized in that, The movable box (204) is rotatably connected to a screw (213), and a slider (214) is threaded onto the screw (213). The bottom end of the slider (214) is fixedly connected to the top end of the movable seat (206).

6. The computer paper cutter blade angle adjustment device according to claim 5, characterized in that, One end of the screw (213) is fitted with a first bevel gear (216), and the top of the inside of the movable box (204) is rotatably connected to a second bevel gear (215) on one side of the first bevel gear (216). The first bevel gear (216) and the second bevel gear (215) mesh with each other.

7. The computer paper cutter blade angle adjustment device according to claim 6, characterized in that, A second servo motor (205) is fixedly installed on one side of the upper end of the mobile box (204), and the output end of the second servo motor (205) is connected to the second bevel gear (215) for transmission.

8. The computer paper cutter blade angle adjustment device according to claim 1, characterized in that, The upper ends of the cutting base plate (102) are each provided with a second electric telescopic rod (103), and a pressure plate (104) is fixedly installed between the top ends of a pair of second electric telescopic rods (103).

9. The computer paper cutter blade angle adjustment device according to claim 1, characterized in that, A control panel (209) is fixedly mounted on one side of one of the slides (201).