Paper cutting device for printing machine

Abstract

The utility model relates to the technical field of printing machine devices, in particular to a paper cutting device for a printing machine, which comprises a base, the inner wall of the base is rotatably connected with the outer wall of an adjusting part, the outer wall of the adjusting part is slidably connected with the inner wall of the base, and the bottom of the base is fixedly connected with the top end of a driving part. The bottom of the driving piece is fixedly connected with the top of the pressing piece, the hydraulic cylinder is started, the hydraulic cylinder pushes the hydraulic rod to move downwards, the hydraulic rod pushes the connecting block downwards through the connecting rod, the connecting block pushes the sliding cover to move downwards, the sliding cover pushes the pressing block downwards, and the pressing block moves downwards under the limiting effect of the limiting block and abuts against the top of paper. After the pressing block abuts against the paper, the sliding cover moves towards the two sides along the pressing block, the sliding cover pushes the abutting block to slide downwards, after the abutting block moves downwards, the cutting knife is pushed to move downwards to complete cutting of the paper, waste residues generated during cutting can be discharged through the residue outlet, and displacement of the paper during paper cutting is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machine devices, in particular to a paper cutting device for a printing machine. Background Art

[0002] A machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate loading, inking, embossing, and paper feeding. Its working principle is: first, the text and image to be printed are made into a printing plate, which is then installed on the printing press. Then, ink is applied to the places where the text and image are on the printing plate by hand or by the printing press, and then directly or indirectly transferred to the printing paper, thereby replicating the same printed product as the printing plate. Before printing, the staff needs to cut the printing paper to the specified size.

[0003] At present, when most of the paper cutting devices for printing machines on the market are in use, the paper is easily displaced when cutting due to the light weight of the paper, resulting in burrs at the cutting point of the paper or the paper size not meeting the production requirements, which brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the utility model is to provide a paper cutting device for a printing press, so as to solve the problem that the paper is easily displaced when cutting the paper in the above background technology. To achieve the above purpose, the utility model provides the following technical solution: a paper cutting device for a printing press, comprising a base, the inner wall of the base is rotatably connected to the outer wall of the adjusting member, the outer wall of the adjusting member is slidably connected to the inner wall of the base, and the bottom of the base is fixedly connected to the top of the driving member.

[0005] The bottom of the driving member is fixedly connected to the top of the pressing member, the inner wall of the pressing member is slidably plugged into the outer wall of the cutting member, and the top of the cutting member is fixedly connected to the bottom of the base.

[0006] Preferably, the base consists of a support platform, support legs, fixed blocks and a support frame, and the bottom of the support platform is fixedly connected to the top of the support legs, the bottom of the support platform near both sides is fixedly connected to the top of the fixed blocks, and the top of the support platform near the front and back sides is fixedly connected to the bottom of the support frame, the inner wall of the support platform is provided with a sliding groove and a slag outlet, and the inner side wall of the support frame is provided with a limiting groove.

[0007] Preferably, the adjusting member includes an adjusting rod, an adjusting disk, a threaded block and a clamping block, and the outer wall of the adjusting rod is rotatably connected to the inner wall of the fixed block, the outer wall of the adjusting rod away from the two ends is provided with double threads, and the end of the adjusting rod located outside the fixed block is fixedly connected to the inner wall of the adjusting disk, the outer wall of the adjusting rod is threadedly connected to the inner wall of the threaded block, and the top of the threaded block is fixedly connected to the bottom of the clamping block, and the outer wall of the clamping block is slidably connected to the inner wall of the sliding groove.

[0008] Preferably, the driving member is composed of a hydraulic cylinder, a hydraulic rod, a connecting rod and a connecting block, and the top of the hydraulic cylinder is fixedly connected to the bottom of the support frame, the output end of the hydraulic cylinder is fixedly connected to the top of the hydraulic rod, and the bottom end of the hydraulic rod is rotatably connected to the inner wall on one side of the connecting rod through the connecting block, and the inner wall on the other side of the connecting rod is rotatably connected to the outer wall of the connecting block.

[0009] Preferably, the pressing part includes a sliding cover, a pressing block and two limit blocks, and the top of the sliding cover is fixedly connected to the bottom of the connecting block, and the inner wall of the sliding cover is provided with a slider, the outer wall of the slider is slidably connected to the inner wall of the pressing block, and the front and back sides of the pressing block are respectively fixedly connected to the front and back sides of the two limit blocks, the outer wall of the limit block is slidably connected to the inner wall of the limit groove, and the inner wall of the pressing block is provided with a cutting groove.

[0010] Preferably, the cutting member is composed of a tension spring, an abutment block and a cutting knife, and the top of the tension spring is fixedly connected to the bottom of the support frame near the front and back sides, the outer wall of the bottom end of the tension spring is movably sleeved with the inner wall of the abutment block, and the bottom of the abutment block is fixedly connected to the top of the cutting knife, and the outer wall of the cutting knife is slidably inserted into the inner wall of the cutting groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the hydraulic cylinder is started, and the hydraulic cylinder pushes the hydraulic rod to move downward, and the hydraulic rod pushes the connecting block downward through the connecting rod, and the connecting block pushes the sliding cover to move downward, and the sliding cover pushes the pressing block downward, and under the limiting action of the limiting block, the pressing block moves downward and abuts against the top of the paper, and after the pressing block abuts against the paper, the sliding cover moves to both sides along the pressing block, and the sliding cover pushes the abutting block to slide downward, and after the abutting block moves downward, it pushes the cutting knife to move downward to complete the cutting of the paper, and the waste residue generated by the cutting will be discharged through the residue outlet, thereby avoiding displacement of the paper during paper cutting, and bringing convenience to people's use.

[0013] In the utility model, the paper is placed on the support table, and the adjusting disk is grasped and rotated, so that the adjusting disk can drive the adjusting rod to rotate in the fixed block, the adjusting rod drives the threaded block object to move, and the threaded block drives the clamping block object to move, thereby completing the clamping of the support. The staff can make convenient adjustments according to the different types and widths of paper, which brings convenience to people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3It is an exploded view of the utility model.

[0017] In the figure: 1. base; 101. support table; 102. support leg; 103. fixed block; 104. support frame; 2. adjusting member; 201. adjusting rod; 202. adjusting disk; 203. threaded block; 204. clamping block; 3. driving member; 301. hydraulic cylinder; 302. hydraulic rod; 303. connecting rod; 304. connecting block; 4. pressing member; 401. sliding cover; 402. pressing block; 403. limiting block; 5. cutting member; 501. tension spring; 502. abutment block; 503. cutting knife. DETAILED DESCRIPTION

[0018] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3 The utility model provides a technical solution: a paper cutting device for a printing machine, comprising a base 1, the inner wall of the base 1 is rotatably connected to the outer wall of an adjusting member 2, the outer wall of the adjusting member 2 is slidably connected to the inner wall of the base 1, and the bottom of the base 1 is fixedly connected to the top of a driving member 3.

[0020] The bottom of the driving member 3 is fixedly connected to the top of the pressing member 4 , the inner wall of the pressing member 4 is slidably plugged into the outer wall of the cutting member 5 , and the top of the cutting member 5 is fixedly connected to the bottom of the base 1 .

[0021] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the base 1 consists of a support platform 101, support legs 102, a fixed block 103 and a support frame 104, and the bottom of the support platform 101 is fixedly connected to the top of the support leg 102, the bottom of the support platform 101 near both sides is fixedly connected to the top of the fixed block 103, and the top of the support platform 101 near the front and back is fixedly connected to the bottom of the support frame 104, the inner wall of the support platform 101 is provided with a sliding groove and a slag outlet, and the inner side wall of the support frame 104 is provided with a limiting groove to place paper on the support platform 101.

[0022] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, the adjusting member 2 includes an adjusting rod 201, an adjusting disk 202, a threaded block 203 and a clamping block 204, and the outer wall of the adjusting rod 201 is rotatably connected to the inner wall of the fixed block 103, the outer wall of the adjusting rod 201 away from the two ends is provided with a double thread, and the end of the adjusting rod 201 located outside the fixed block 103 is fixedly connected to the inner wall of the adjusting disk 202, the outer wall of the adjusting rod 201 is threadedly connected to the inner wall of the threaded block 203, and the top of the threaded block 203 is fixedly connected to the bottom of the clamping block 204, the outer wall of the clamping block 204 is slidably connected to the inner wall of the sliding groove, by grasping and rotating the adjusting disk 202, the adjusting disk 202 can drive the adjusting rod 201 to rotate in the fixed block 103, the adjusting rod 201 drives the threaded block 203 to move, and the threaded block 203 drives the clamping block 204 to move, thereby completing the clamping of the support.

[0023] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the driving member 3 is composed of a hydraulic cylinder 301, a hydraulic rod 302, a connecting rod 303 and a connecting block 304, and the top of the hydraulic cylinder 301 is fixedly connected to the bottom of the support frame 104, the output end of the hydraulic cylinder 301 is fixedly connected to the top of the hydraulic rod 302, and the bottom end of the hydraulic rod 302 is rotatably connected to the inner wall of one side of the connecting rod 303 through the connecting block, and the inner wall of the other side of the connecting rod 303 is rotatably connected to the outer wall of the connecting block 304. When the hydraulic cylinder 301 is started, the hydraulic cylinder 301 pushes the hydraulic rod 302 to move downward, and the hydraulic rod 302 pushes the connecting block 304 downward through the connecting rod 303.

[0024] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the pressing member 4 includes a sliding cover 401, a pressing block 402 and two limit blocks 403, and the top of the sliding cover 401 is fixedly connected to the bottom of the connecting block 304, and a slider is provided on the inner wall of the sliding cover 401, the outer wall of the slider is slidably connected to the inner wall of the pressing block 402, and the front and back sides of the pressing block 402 are respectively fixedly connected to the front and back sides of the two limit blocks 403, the outer wall of the limit block 403 is slidably connected to the inner wall of the limit groove, and a cutting groove is provided on the inner wall of the pressing block 402, the connecting block 304 pushes the sliding cover 401 to move downward, the sliding cover 401 pushes the pressing block 402 downward, under the limiting action of the limit block 403, the pressing block 402 moves downward and abuts against the top of the paper, and after the pressing block 402 abuts against the paper, the sliding cover 401 moves to both sides along the pressing block 402.

[0025] In this embodiment, Figure 1 , Figure 2 and Figure 3As shown, the cutting member 5 is composed of a tension spring 501, an abutment block 502 and a cutting knife 503, and the top of the tension spring 501 is fixedly connected to the bottom of the support frame 104 near the front and back sides, the outer wall of the bottom end of the tension spring 501 is movably sleeved with the inner wall of the abutment block 502, and the bottom of the abutment block 502 is fixedly connected to the top of the cutting knife 503, the outer wall of the cutting knife 503 is slidably plugged with the inner wall of the cutting groove, the sliding cover 401 pushes the abutment block 502 to slide downward, and after the abutment block 502 moves downward, it pushes the cutting knife 503 to move downward to complete the cutting of the paper, and the waste residue generated by the cutting will be discharged through the residue outlet.

[0026] The use method and advantages of the utility model: When the paper cutting device for the printing machine is working, the working process is as follows:

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, paper is placed on the support platform 101, and by grasping and rotating the adjustment disk 202, the adjustment disk 202 can drive the adjustment rod 201 to rotate in the fixed block 103, and the adjustment rod 201 drives the threaded block 203 to move, and the threaded block 203 drives the clamping block 204 to move, thereby completing the clamping of the support, and starting the hydraulic cylinder 301, the hydraulic cylinder 301 pushes the hydraulic rod 302 to move downward, and the hydraulic rod 302 pushes the connecting block 304 downward through the connecting rod 303, and the connecting block 304 is connected. 04 pushes the sliding cover 401 to move downward, and the sliding cover 401 pushes the pressing block 402 downward. Under the limiting action of the limiting block 403, the pressing block 402 moves downward and abuts against the top of the paper. After the pressing block 402 abuts against the paper, the sliding cover 401 moves to both sides along the pressing block 402. The sliding cover 401 pushes the abutting block 502 to slide downward. After the abutting block 502 moves downward, it pushes the cutting knife 503 to move downward to complete the cutting of the paper. The waste residue generated by the cutting will be discharged through the residue outlet.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A paper cutting device for a printing press, comprising a base (1), characterized in that: The inner wall of the base (1) is rotatably connected to the outer wall of the adjusting member (2), the outer wall of the adjusting member (2) is slidably connected to the inner wall of the base (1), and the bottom of the base (1) is fixedly connected to the top of the driving member (3); The bottom of the driving member (3) is fixedly connected to the top of the pressing member (4), the inner wall of the pressing member (4) is slidably plugged into the outer wall of the cutting member (5), and the top of the cutting member (5) is fixedly connected to the bottom of the base (1).

2. A paper cutting device for a printing press according to claim 1, characterized in that: The base (1) comprises a support platform (101), support legs (102), a fixed block (103) and a support frame (104), wherein the bottom of the support platform (101) is fixedly connected to the top of the support legs (102), the bottom of the support platform (101) near both sides is fixedly connected to the top of the fixed block (103), and the top of the support platform (101) near the front and back sides is fixedly connected to the bottom of the support frame (104), the inner wall of the support platform (101) is provided with a sliding groove and a slag outlet, and the inner side wall of the support frame (104) is provided with a limiting groove.

3. A paper cutting device for a printing press according to claim 2, characterized in that: The adjusting member (2) comprises an adjusting rod (201), an adjusting disk (202), a threaded block (203) and a clamping block (204), and the outer wall of the adjusting rod (201) is rotatably connected to the inner wall of the fixed block (103), the outer wall of the adjusting rod (201) away from the two ends is provided with double threads, and one end of the adjusting rod (201) located outside the fixed block (103) is fixedly connected to the inner wall of the adjusting disk (202), the outer wall of the adjusting rod (201) is threadedly connected to the inner wall of the threaded block (203), and the top of the threaded block (203) is fixedly connected to the bottom of the clamping block (204), and the outer wall of the clamping block (204) is slidably connected to the inner wall of the sliding groove.

4. A paper cutting device for a printing press according to claim 3, characterized in that: The driving member (3) is composed of a hydraulic cylinder (301), a hydraulic rod (302), a connecting rod (303) and a connecting block (304), wherein the top end of the hydraulic cylinder (301) is fixedly connected to the bottom of the support frame (104), the output end of the hydraulic cylinder (301) is fixedly connected to the top end of the hydraulic rod (302), and the bottom end of the hydraulic rod (302) is rotatably connected to the inner wall of one side of the connecting rod (303) through the connecting block, and the inner wall of the other side of the connecting rod (303) is rotatably connected to the outer wall of the connecting block (304).

5. A paper cutting device for a printing press according to claim 4, characterized in that: The pressing piece (4) comprises a sliding cover (401), a pressing block (402) and two limiting blocks (403), and the top of the sliding cover (401) is fixedly connected to the bottom of the connecting block (304), and the inner wall of the sliding cover (401) is provided with a sliding block, the outer wall of the sliding block is slidably connected to the inner wall of the pressing block (402), and the front and back sides of the pressing block (402) are respectively fixedly connected to the front and back sides of the two limiting blocks (403), the outer wall of the limiting block (403) is slidably connected to the inner wall of the limiting groove, and the inner wall of the pressing block (402) is provided with a cutting groove.

6. A paper cutting device for a printing press according to claim 1, characterized in that: The cutting member (5) is composed of a tension spring (501), an abutment block (502) and a cutting knife (503), and the top of the tension spring (501) is fixedly connected to the bottom of the support frame (104) near the front and back sides, the outer wall of the bottom end of the tension spring (501) is movably connected to the inner wall of the abutment block (502), and the bottom of the abutment block (502) is fixedly connected to the top of the cutting knife (503), and the outer wall of the cutting knife (503) is slidably connected to the inner wall of the cutting groove.

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