Efficient cutter pressing device of paper cutter

Abstract

The efficient knife pressing device of the paper cutting machine comprises a machine frame and a supporting frame, the supporting frame is fixedly arranged at the upper end of the machine frame, sliding rails are fixedly connected to the two sides of the top end in the supporting frame, movable blocks are connected to the bottom ends of the sliding rails on the two sides in a sliding mode, and the movable blocks are connected with the movable blocks in a sliding mode. A supporting plate is fixedly connected to the lower portion, close to the bottom end, of the supporting frame, movable rods which penetrate through the supporting plate and extend to the lower portion of the supporting plate are movably connected to the bottom ends of the movable blocks on the two sides, and a paper cutter is fixedly connected between the bottom ends of the movable rods on the two sides. The connecting rod is driven by the air cylinder to drive the movable block to slide along the sliding rail, at the moment, the rolling wheel is in rolling contact with the bottom end of the movable block, when the rolling wheel rolls to the protruding part of the movable block, the movable rod is pushed to penetrate and extend to the bottom end of the supporting plate, the spring is extruded to be compressed and deform, and therefore the paper cutter can be stably pressed downwards; and the paper cutter is close to the paper according to the thickness of the paper for cutting.

Description

Technical Field

[0001] The utility model relates to the technical field of high-efficiency knife pressing of paper cutters, in particular to a high-efficiency knife pressing device of paper cutters. Background Art

[0002] Paper cutter is a kind of cutting machine, which is widely used in paper processing. Since printing, packaging, book binding and other production from cutting materials to printing finished products and cutting rough copies after binding require paper cutters for cutting, paper cutters are important equipment for paper processing and have been widely used in printing plants, binding plants, packaging plants, paper product processing plants, etc.

[0003] Prior art CN202020011076.5, a paper cutter, which uses a transmission rod to push the paper pusher to slide, can effectively ensure the position accuracy of the paper pusher, thereby accurately controlling the cutting position of the paper being cut to improve the cutting quality, and by reducing the rotation speed of the transmission shaft, the transmission rod can be more stable during the transmission process, thereby making the paper pusher more stable during the paper pushing process.

[0004] However, the paper cutter is prone to hard contact during the process of pressing down the paper cutter, which causes the paper cutter to wear out after long-term use, thereby affecting the paper cutting effect; therefore, it does not meet the existing needs. In this regard, we propose an efficient knife pressing device for the paper cutter. Utility Model Content

[0005] The utility model aims to provide an efficient knife pressing device for a paper cutter, so as to solve the problem in the background art that hard contact is easily occurred in the process of pressing down the paper cutter, which causes the paper cutter to be easily worn after long-term use, thereby affecting the paper cutting effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency knife pressing device for a paper cutter, comprising a frame and a support frame, the support frame is fixedly arranged on the upper end of the frame, both sides of the top end of the support frame are fixedly connected with slide rails, the bottom ends of the slide rails on both sides are slidably connected with movable blocks, the support frame is fixedly connected with a support plate below the bottom end, the bottom ends of the movable blocks on both sides are movably connected with movable rods that penetrate the support plate and extend to the bottom of the support plate, a paper cutter is fixedly connected between the bottom ends of the movable rods on both sides, a cutting groove corresponding to the paper cutter is provided below the paper cutter and on the upper end surface of the frame, and clamps are movably connected with both sides of the cutting groove.

[0007] Preferably, grooves are provided at the front and rear of both sides of the upper end of the frame, the interior of the groove on one side is rotatably connected to a threaded rod through a turning handle, and the interior of the groove on the other side is fixedly connected to a sliding rod.

[0008] Preferably, one side of the bottom end of the clamping plate is fixedly connected to a connecting block threadedly connected to the outer surface of the threaded rod, and the other side of the bottom end of the clamping plate is fixedly connected to a connecting block slidably connected to the outer surface of the sliding rod.

[0009] Preferably, a cylinder is fixedly connected to one side of the outer surface of the support frame, a cross plate is fixedly connected to the output end of the cylinder, connecting rods are fixedly connected to both ends of the cross plate close to the support frame, one end of the connecting rod movably extends through the interior of the support frame and is fixedly connected to the corresponding movable block, and the bottom end surface of the movable block is inclined upward.

[0010] Preferably, the top ends of the movable rods on both sides are fixedly connected to limit blocks, the upper ends of the limit blocks are rotatably connected to rollers, and the outer surfaces of the rollers are in rolling contact with the bottom end surfaces of the movable blocks.

[0011] Preferably, a spring is fixedly connected between the upper end of the support plate and the bottom end of the limit block, and the spring is wound around the outer surface of the movable rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model stacks the paper on the upper end of the frame, and then rotates the handle to drive the threaded rod to rotate. When the threaded rod rotates, the connecting block on the other side of the clamping plate slides along the slide rod through the threaded connection of the connecting block, so that the position of the clamping plate can be adjusted and clamped and fixed according to the size of the paper, which is convenient for cutting;

[0014] 2. The utility model drives the connecting rod to move by starting the air cylinder, and drives the movable block to slide along the slide rail under the connection of the connecting rod. At this time, the roller rolls and contacts the bottom end of the movable block. When the roller rolls to the protruding part of the movable block, it pushes the movable rod to extend through the bottom end of the support plate and squeezes the spring to compress and deform, so that the paper cutter can be pressed down smoothly and the paper cutter can cut according to the thickness of the paper, thereby reducing the collision between the paper cutter and the frame, thereby reducing the hard contact with the paper cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the support frame of the utility model;

[0017] Figure 3 It is a top view of the frame of the utility model.

[0018] In the figure: 1, frame; 101, cutting groove; 102, groove; 2, support frame; 201, support plate; 3, paper cutter; 4, slide rail; 5, cylinder; 6, connecting rod; 7, movable block; 8, movable rod; 9, limit block; 10, roller; 11, spring; 12, threaded rod; 13, slide rod; 14, clamp. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figures 1 to 3 The utility model provides an embodiment: a high-efficiency knife pressing device for a paper cutter, comprising a frame 1 and a support frame 2, the support frame 2 is fixedly arranged at the upper end of the frame 1, both sides of the top of the support frame 2 are fixedly connected with slide rails 4, the bottom ends of the slide rails 4 on both sides are slidably connected with movable blocks 7, a support plate 201 is fixedly connected below the support frame 2 near the bottom, the bottom ends of the movable blocks 7 on both sides are movably connected with movable rods 8 that penetrate the support plate 201 and extend to the bottom of the support plate 201, a paper cutter 3 is fixedly connected between the bottom ends of the movable rods 8 on both sides, a cutting groove 101 corresponding to the paper cutter 3 is opened below the paper cutter 3 and on the upper end surface of the frame 1, and clamping plates 14 are movably connected on both sides of the cutting groove 101.

[0021] Grooves 102 are provided at the front and rear of both sides of the upper end of the frame 1. The interior of the groove 102 on one side is connected to a threaded rod 12 by turning a handle, and the interior of the groove 102 on the other side is fixedly connected to a sliding rod 13. One side of the bottom end of the splint 14 is fixedly connected to a connecting block threadedly connected to the outer surface of the threaded rod 12, and the other side of the bottom end of the splint 14 is fixedly connected to a connecting block slidably connected to the outer surface of the sliding rod 13.

[0022] By stacking the paper on the upper end of the frame 1, the handle is turned to drive the threaded rod 12 to rotate. While the threaded rod 12 rotates, the connecting block on the other side of the clamping plate 14 slides along the sliding rod 13 through the threaded connection of the connecting block, so that the position of the clamping plate 14 can be adjusted and clamped and fixed according to the size of the paper, which is convenient for cutting.

[0023] A cylinder 5 is fixedly connected to one side of the outer surface of the support frame 2, and a cross plate is fixedly connected to the output end of the cylinder 5. Connecting rods 6 are fixedly connected to both ends of the cross plate close to the support frame 2. One end of the connecting rod 6 is movably extended through the interior of the support frame 2 and is fixedly connected to the corresponding movable block 7. The bottom end surface of the movable block 7 is inclined upward, and the top ends of the movable rods 8 on both sides are fixedly connected to the limiting blocks 9. The upper ends of the limiting blocks 9 are rotatably connected to the rollers 10, and the outer surfaces of the rollers 10 are in rolling contact with the bottom end surface of the movable block 7. A spring 11 is fixedly connected between the upper end of the support plate 201 and the bottom end of the limiting block 9, and the spring 11 is wound around the outer surface of the movable rod 8.

[0024] The connecting rod 6 is driven to move by starting the air cylinder 5, and the movable block 7 is driven to slide along the slide rail 4 under the connection of the connecting rod 6. At this time, the roller 10 rolls and contacts the bottom end of the movable block 7. When the roller 10 rolls to the protruding part of the movable block 7, the movable rod 8 is pushed to extend through the bottom end of the support plate 201, and the spring 11 is compressed to produce deformation, so that the paper cutter 3 can be pressed down smoothly, and the paper cutter 3 can cut according to the thickness of the paper, thereby reducing the collision between the paper cutter 3 and the frame 1, thereby reducing the hard contact with the paper cutter 3.

[0025] When the paper cutter is in use, the paper is stacked on the upper end of the frame 1, and the handle is turned to drive the threaded rod 12 to rotate. While the threaded rod 12 rotates, the connecting block on the other side of the clamping plate 14 slides along the slide rod 13 through the threaded connection of the connecting block, so that the position of the clamping plate 14 is adjusted and can be clamped and fixed according to the size of the paper, which is convenient for cutting; then the connecting rod 6 is driven to move by starting the cylinder 5, and the movable block 7 is driven to slide along the slide rail 4 under the connection of the connecting rod 6. At this time, the roller 10 rolls and contacts the bottom end of the movable block 7. When the roller 10 rolls to the raised part of the movable block 7, the movable rod 8 is pushed to extend through the bottom end of the support plate 201, and the spring 11 is compressed to produce deformation, so that the paper cutter 3 can be pressed down steadily, and the paper cutter 3 can cut according to the thickness of the paper, reducing the collision between the paper cutter 3 and the frame 1, thereby reducing the hard contact with the paper cutter 3.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-efficiency knife pressing device for a paper cutter, comprising a frame (1) and a support frame (2), wherein the support frame (2) is fixedly arranged at the upper end of the frame (1), and is characterized in that: Both sides of the top of the support frame (2) are fixedly connected with slide rails (4), and the bottom ends of the slide rails (4) on both sides are slidably connected with movable blocks (7). The support frame (2) is fixedly connected with a support plate (201) below the bottom end, and the bottom ends of the movable blocks (7) on both sides are movably connected with movable rods (8) that penetrate the support plate (201) and extend to the bottom of the support plate (201). A paper cutter (3) is fixedly connected between the bottom ends of the movable rods (8) on both sides. A cutting groove (101) corresponding to the paper cutter (3) is provided below the paper cutter (3) and on the upper end surface of the frame (1). Clamps (14) are movably connected to both sides of the cutting groove (101).

2. The high-efficiency knife pressing device for a paper cutter according to claim 1, characterized in that: Grooves (102) are provided at the front and rear of both sides of the upper end of the frame (1); a threaded rod (12) is rotatably connected to the interior of the groove (102) on one side through a turning handle, and a sliding rod (13) is fixedly connected to the interior of the groove (102) on the other side.

3. The high-efficiency knife pressing device for a paper cutter according to claim 2, characterized in that: One side of the bottom end of the clamping plate (14) is fixedly connected to a connection block threadedly connected to the outer surface of the threaded rod (12), and the other side of the bottom end of the clamping plate (14) is fixedly connected to a connection block slidably connected to the outer surface of the sliding rod (13).

4. The high-efficiency knife pressing device for a paper cutter according to claim 1, characterized in that: A cylinder (5) is fixedly connected to one side of the outer surface of the support frame (2), and a horizontal plate is fixedly connected to the output end of the cylinder (5). Connecting rods (6) are fixedly connected to both ends of the horizontal plate on the side close to the support frame (2). One end of the connecting rod (6) movably extends through the interior of the support frame (2) and is fixedly connected to a corresponding movable block (7). The bottom end surface of the movable block (7) is arranged to be inclined upward.

5. The high-efficiency knife pressing device for a paper cutter according to claim 1, characterized in that: The top ends of the movable rods (8) on both sides are fixedly connected to limit blocks (9), the upper ends of the limit blocks (9) are rotatably connected to rollers (10), and the outer surfaces of the rollers (10) are in rolling contact with the bottom end surfaces of the movable blocks (7).

6. The high-efficiency knife pressing device for a paper cutter according to claim 5, characterized in that: A spring (11) is fixedly connected between the upper end of the support plate (201) and the bottom end of the limit block (9), and the spring (11) is wound around the outer surface of the movable rod (8).

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