Cutting opening deburring mechanism of paper cutting machine

Abstract

The utility model discloses a paper cutter cut burr removing mechanism which comprises a workbench, the upper surface of the workbench is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a first driving air cylinder and a second driving air cylinder, the piston end of the first driving air cylinder is fixedly connected with a U-shaped frame, and the piston end of the second driving air cylinder is fixedly connected with the U-shaped frame. A downward pressing assembly is installed in the U-shaped frame, and side pressing assemblies are installed on the two sides of the U-shaped frame. According to the paper polishing device, the second driving air cylinder is started, the piston end of the second driving air cylinder drives the mounting plate to move downwards, so that the mounting plate drives the cutter to move downwards to cut off redundant parts of paper, then the third driving air cylinder is started, the piston end of the third driving air cylinder drives the polishing plate to be attached to the paper through the connecting plate, and then the servo motor is started; and the output shaft of the servo motor drives the rotating disc to rotate, so that the movable shaft pulls the polishing plate to move in a reciprocating manner, burrs of paper are polished, and the production efficiency is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cutters, in particular to a cutting edge deburring mechanism of a paper cutter. Background Art

[0002] A paper cutter is a large mechanical device used to cut paper. It is commonly found in offices and printing industries. Common paper cutters on the market usually use a cutting mechanism to cut paper. Nowadays, paper cutters are used more and more widely.

[0003] At present, when traditional paper cutters cut paper, the vertical cutting blade cannot completely break the fibers of recycled paper with a high fiber content, leaving burrs on the cut surface of the paper, which needs to be removed later. This not only wastes production resources, but also affects production efficiency. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a cutting edge deburring mechanism for a paper cutter.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a paper cutter cutting edge deburring mechanism comprises a workbench, the upper surface of the workbench is fixedly connected to a fixed frame, the top of the fixed frame is fixedly connected to a first driving cylinder and a second driving cylinder, the piston end of the first driving cylinder is fixedly connected to a U-shaped frame, a downward pressure assembly is installed inside the U-shaped frame, side pressure assemblies are installed on both sides of the U-shaped frame, the piston end of the second driving cylinder is fixedly connected to a mounting plate, the side wall of the mounting plate is fixedly connected to the mounting frame, the side wall of the mounting frame is fixedly connected to a fourth driving cylinder, the piston end of the fourth driving cylinder is fixedly connected to a connecting plate, the side wall of the connecting plate is slidably connected to a grinding plate, the side wall of the mounting frame is installed with a driving assembly for driving the grinding plate to reciprocate, and a cutting assembly is installed at the bottom of the mounting plate.

[0006] As a further description of the above technical solution:

[0007] The downward pressure assembly includes two telescopic rods fixedly connected to the inner top of the U-shaped frame, the ends of the two telescopic rods are commonly fixedly connected to the downward pressure plate, the outer surface of the telescopic rod is sleeved with a connecting spring, one end of the connecting spring is fixedly connected to the inner top of the U-shaped frame, and the other end of the connecting spring is fixedly connected to the upper surface of the downward pressure plate.

[0008] As a further description of the above technical solution:

[0009] The side pressure assembly comprises a third driving cylinder fixedly connected to the side wall of the U-shaped frame, and a piston end of the third driving cylinder is fixedly connected to a side pressure plate.

[0010] As a further description of the above technical solution:

[0011] The driving assembly includes a fixing seat fixedly connected to the side wall of the mounting frame, the side wall of the fixing seat is fixedly connected to a servo motor, the output shaft of the servo motor is fixedly connected to a rotating disk, the outer surface of the rotating disk is rotatably connected to a movable shaft at an eccentric position, and the other end of the movable shaft is rotatably connected to the side wall of the grinding plate.

[0012] As a further description of the above technical solution:

[0013] A sliding bar is fixedly connected to one side of the polishing plate close to the connecting plate, a sliding groove is provided on the side wall of the connecting plate, and the sliding bar is slidably connected inside the sliding groove.

[0014] As a further description of the above technical solution:

[0015] The cutting assembly comprises two mounting shafts fixedly connected to the bottom of the mounting plate, and a cutter is fixedly connected to the bottoms of the two mounting shafts.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the paper cutter's cutting edge deburring mechanism starts the second driving cylinder, and the piston end of the second driving cylinder moves downward with the mounting plate, so that the mounting plate moves downward with the cutter to cut off the excess part of the paper, and then starts the fourth driving cylinder, and the piston end of the fourth driving cylinder brings the grinding plate to fit the paper through the connecting plate, and then starts the servo motor, and the output shaft of the servo motor rotates with the rotating disk, so that the movable shaft pulls the grinding plate to move back and forth, thereby grinding the burrs of the paper and ensuring production efficiency.

[0018] Compared with the prior art, the paper cutter's cutting edge deburring mechanism starts the first driving cylinder, the piston end of the first driving cylinder moves downward with the U-shaped frame, the U-shaped frame moves downward with the lower pressure plate to press the paper, and the connecting spring is compressed, and then the two third driving cylinders are started, so that the piston ends of the third driving cylinders move with the side pressure plates, so that the two side pressure plates press the sides of the paper, thereby improving the fixing effect of the paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of a cutting edge deburring mechanism of a paper cutter proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a lower pressing plate of a cutting edge deburring mechanism of a paper cutter proposed by the utility model;

[0021] Figure 3The utility model is a schematic diagram of the grinding plate structure of the cutting edge deburring mechanism of a paper cutter.

[0022] Legend:

[0023] 1. Workbench; 2. Fixed frame; 3. First driving cylinder; 4. Second driving cylinder; 5. U-shaped frame; 6. Telescopic rod; 7. Lower pressure plate; 8. Connecting spring; 9. Third driving cylinder; 10. Side pressure plate; 11. Mounting plate; 12. Mounting shaft; 13. Cutter; 14. Mounting frame; 15. Fourth driving cylinder; 16. Connecting plate; 17. Sliding bar; 18. Grinding plate; 19. Fixed seat; 20. Servo motor; 21. Rotating disk; 22. Movable shaft. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figures 1 to 3 The utility model provides a paper cutter cutting edge deburring mechanism: comprising a workbench 1, the upper surface of the workbench 1 is fixedly connected with a fixing frame 2, the top of the fixing frame 2 is fixedly connected with a first driving cylinder 3 and a second driving cylinder 4, and the piston end of the first driving cylinder 3 is fixedly connected with a U-shaped frame 5;

[0026] Reference Figure 1 and Figure 2 In order to achieve the purpose of pressing the upper surface of the paper, a pressing assembly is installed inside the U-shaped frame 5, and the pressing assembly includes two telescopic rods 6 fixedly connected to the inner top of the U-shaped frame 5, and the ends of the two telescopic rods 6 are fixedly connected to the lower pressing plate 7. The outer surface of the telescopic rod 6 is sleeved with a connecting spring 8, one end of the connecting spring 8 is fixedly connected to the inner top of the U-shaped frame 5, and the other end of the connecting spring 8 is fixedly connected to the upper surface of the lower pressing plate 7. When the lower pressing plate 7 presses the upper surface of the paper, the lower pressing plate 7 continues to press downward to compress the connecting spring 8, so as to ensure that the bottom of the U-shaped frame 5 can be close to the upper surface of the workbench 1;

[0027] Reference Figure 1 and Figure 2 In order to achieve the purpose of pressing the side edges of the paper, side pressure components are installed on both sides of the U-shaped frame 5, and the side pressure components include a third driving cylinder 9 fixedly connected to the side wall of the U-shaped frame 5, and a side pressure plate 10 is fixedly connected to the piston end of the third driving cylinder 9;

[0028] Reference Figure 1 and Figure 3 In order to achieve the purpose of horizontal and stable movement of the grinding plate 18, the piston end of the second driving cylinder 4 is fixedly connected to the mounting plate 11, the side wall of the mounting plate 11 is fixedly connected to the mounting frame 14, the side wall of the mounting frame 14 is fixedly connected to the fourth driving cylinder 15, the piston end of the fourth driving cylinder 15 is fixedly connected to the connecting plate 16, the side wall of the connecting plate 16 is slidably connected to the grinding plate 18, the side of the grinding plate 18 close to the connecting plate 16 is fixedly connected to the sliding bar 17, the side wall of the connecting plate 16 is provided with a sliding groove, the sliding bar 17 is slidably connected inside the sliding groove, so as to ensure that the grinding plate 18 can move horizontally and stably;

[0029] Reference Figure 1 and Figure 3 In order to achieve the purpose of reciprocating movement of the grinding plate 18, a driving assembly for driving the grinding plate 18 to reciprocate is installed on the side wall of the mounting frame 14, and the driving assembly includes a fixing seat 19 fixedly connected to the side wall of the mounting frame 14, and a servo motor 20 is fixedly connected to the side wall of the fixing seat 19, and the output shaft of the servo motor 20 is fixedly connected to a rotating disk 21, and a movable shaft 22 is rotatably connected to the eccentric part of the outer surface of the rotating disk 21, and the other end of the movable shaft 22 is rotatably connected to the side wall of the grinding plate 18. When the servo motor 20 is started, the output shaft of the servo motor 20 rotates with the rotating disk 21, so that the movable shaft 22 pulls the grinding plate 18 to reciprocate;

[0030] Reference Figure 1 and Figure 3 In order to achieve the purpose of paper cutting, a cutting assembly is installed at the bottom of the mounting plate 11. The cutting assembly includes two mounting shafts 12 fixedly connected to the bottom of the mounting plate 11, and a cutter 13 is fixedly connected to the bottom of the two mounting shafts 12.

[0031] Working principle:

[0032] When in use, the staff puts the paper on the upper surface of the workbench 1, arranges the paper and places it under the lower pressure plate 7, starts the first driving cylinder 3, and the piston end of the first driving cylinder 3 moves downward with the U-shaped frame 5, and the U-shaped frame 5 moves downward with the lower pressure plate 7 to press the paper, and the connecting spring 8 is compressed, and then the two third driving cylinders 9 are started, so that the piston end of the third driving cylinder 9 moves with the side pressure plate 10, so that the two side pressure plates 10 press the side of the paper, thereby improving the fixing effect of the paper;

[0033] The second driving cylinder 4 is started, and the piston end of the second driving cylinder 4 moves downward with the mounting plate 11, so that the mounting plate 11 moves downward with the cutter 13 to cut off the excess part of the paper. After cutting, the cutter 13 is reset, and then the staff takes away the excess part, and then the fourth driving cylinder 15 is started again, and the piston end of the fourth driving cylinder 15 brings the grinding plate 18 to fit with the paper through the connecting plate 16, and then the servo motor 20 is started, and the output shaft of the servo motor 20 rotates with the rotating disk 21, so that the movable shaft 22 pulls the grinding plate 18 to move back and forth, thereby grinding the rough edges of the paper.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A paper cutting machine cutting edge deburring mechanism, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to a fixing frame (2), the top of the fixing frame (2) is fixedly connected to a first driving cylinder (3) and a second driving cylinder (4), the piston end of the first driving cylinder (3) is fixedly connected to a U-shaped frame (5), a downward pressing assembly is installed inside the U-shaped frame (5), and side pressing assemblies are installed on both sides of the U-shaped frame (5), the piston end of the second driving cylinder (4) is fixedly connected to a mounting plate (11), the side wall of the mounting plate (11) is fixedly connected to a mounting frame (14), the side wall of the mounting frame (14) is fixedly connected to a fourth driving cylinder (15), the piston end of the fourth driving cylinder (15) is fixedly connected to a connecting plate (16), the side wall of the connecting plate (16) is slidably connected to a grinding plate (18), the side wall of the mounting frame (14) is installed with a driving assembly for driving the grinding plate (18) to reciprocate, and a cutting assembly is installed at the bottom of the mounting plate (11).

2. A paper cutter cutting edge deburring mechanism according to claim 1, characterized in that: The pressing assembly comprises two telescopic rods (6) fixedly connected to the inner top of the U-shaped frame (5), the ends of the two telescopic rods (6) being fixedly connected to a pressing plate (7), the outer surfaces of the telescopic rods (6) being sleeved with a connecting spring (8), one end of the connecting spring (8) being fixedly connected to the inner top of the U-shaped frame (5), and the other end of the connecting spring (8) being fixedly connected to the upper surface of the pressing plate (7).

3. A paper cutter cutting edge deburring mechanism according to claim 1, characterized in that: The side pressure assembly comprises a third driving cylinder (9) fixedly connected to the side wall of the U-shaped frame (5), and a side pressure plate (10) is fixedly connected to the piston end of the third driving cylinder (9).

4. The paper cutter cutting edge deburring mechanism according to claim 1, characterized in that: The driving assembly comprises a fixing seat (19) fixedly connected to a side wall of the mounting frame (14); a servo motor (20) is fixedly connected to the side wall of the fixing seat (19); an output shaft of the servo motor (20) is fixedly connected to a rotating disk (21); a movable shaft (22) is rotatably connected to an eccentric portion of an outer surface of the rotating disk (21); and the other end of the movable shaft (22) is rotatably connected to the side wall of the grinding plate (18).

5. The paper cutter cutting edge deburring mechanism according to claim 1, characterized in that: A sliding bar (17) is fixedly connected to one side of the grinding plate (18) close to the connecting plate (16); a sliding groove is provided on the side wall of the connecting plate (16); and the sliding bar (17) is slidably connected inside the sliding groove.

6. A paper cutter cutting edge deburring mechanism according to claim 1, characterized in that: The cutting assembly comprises two mounting shafts (12) fixedly connected to the bottom of the mounting plate (11), and a cutter (13) is fixedly connected to the bottoms of the two mounting shafts (12).

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