Paper cutting machine

Abstract

The utility model discloses a paper cutting machine which comprises a bottom plate and a fixing frame installed above the bottom plate, the top of the bottom plate is fixedly connected with a workbench, a movable plate capable of ascending and descending is arranged in the fixing frame, and a paper cutting knife is installed at the bottom of the movable plate in an inserting and pulling mode. Through mutual cooperation of the bottom plate, the fixing frame, the workbench, the moving plate, the paper cutter, a stabilizing groove, a stabilizing rod, a hydraulic cylinder, a driving frame, a mounting plate, an inserting block, a rotating groove, a rotating rod, a clamping groove, a clamping block, a shifting rod, a positioning rod, a pulling plate and a spring, the paper cutter is convenient to disassemble and assemble, and a worker can disassemble and assemble the paper cutter by manually operating the pulling plate and the shifting rod; according to the paper cutter, the working load of workers is relieved, the paper cutter can be conveniently maintained, repaired or replaced, in the up-and-down movement process of the paper cutter, the movement track is supported and stabilized by the stabilizing groove and the stabilizing rod, the paper cutter is effectively prevented from being bent, and the cutting precision is high.

Description

Technical Field

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

[0002] A paper cutter, as the name implies, is a machine used to cut paper. In the prior art, the blades of paper cutters are mostly fixed, which is not convenient for disassembly and assembly. The staff needs to spend a lot of time and energy to complete the disassembly of the blades, which greatly increases the workload of the staff, makes it inconvenient for the staff to maintain, repair or replace the blades, and is inconvenient to use.

[0003] For example, a paper cutter with publication number CN108162021A includes a base, a support base fixed on the base, a rotating rod rotatably connected to the support base via a rotating shaft, a handle is provided at one end of the rotating rod, and a cutting knife is provided on the lower side of the rotating rod. This technical solution also has the technical problems mentioned above. Utility Model Content

[0004] The purpose of the utility model is to provide a paper cutter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a paper cutter, comprising a base plate and a fixed frame installed above the base plate, the top of the base plate is fixedly connected to a workbench, a movable plate that can be raised and lowered is arranged inside the fixed frame, a paper cutter is plugged and installed at the bottom of the movable plate, stabilizing grooves are provided on the front and rear sides of the paper cutter, and stabilizing bars are fixedly connected to the front and rear sides of the inner wall of the fixed frame.

[0006] Optionally, a hydraulic cylinder is installed on the top of the fixed frame, and the output shaft at the bottom of the hydraulic cylinder is extended to the inside of the fixed frame and connected to a driving frame, and the bottom of the driving frame is fixedly connected to the top of the moving board.

[0007] Optionally, both left and right sides of the paper cutter are fixedly connected with mounting plates, the top of the mounting plate is fixedly connected with an insert block, and the top of the insert block is movably plugged into the bottom of the moving plate.

[0008] Optionally, a rotating groove is provided on the top of the paper cutter, a rotating rod is rotatably installed on the top of the moving plate, the left and right sides of the inner wall of the rotating groove are fixedly connected with card slots, the left and right sides of the rotating rod are fixedly connected with card blocks, and the card blocks are adapted to the card slots.

[0009] Optionally, a lever is fixedly connected to the side of the rotating rod, a positioning rod is movably connected to the top of the driving frame, and the bottom end of the positioning rod passes through the driving frame, the lever and the moving plate in sequence and is movably plugged into the moving plate.

[0010] Optionally, a pull plate is fixedly connected to the top end of the positioning rod, and a spring is sleeved on the surface of the positioning rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model makes it convenient to disassemble and assemble the paper cutter through the mutual cooperation of a bottom plate, a fixing frame, a workbench, a moving plate, a paper cutter, a stabilizing groove, a stabilizing rod, a hydraulic cylinder, a driving frame, a mounting plate, an insert block, a rotating groove, a rotating rod, a clamping groove, a clamping block, a lever, a positioning rod, a pulling plate and a spring. The staff can complete the disassembly and assembly of the paper cutter by manually operating the pulling plate and the lever, which reduces the staff's workload and facilitates the maintenance, repair or replacement of the paper cutter. In addition, in the process of the paper cutter moving up and down, the movement trajectory is supported and stabilized by the stabilizing groove and the stabilizing rod, which effectively prevents the paper cutter from bending and achieves high cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural cross-sectional view of the front view of the utility model;

[0014] Figure 2 For this utility model Figure 1 A partial enlarged view of the middle AA;

[0015] Figure 3 It is a structural section of the right view of the bottom plate, fixed frame, workbench, moving plate, paper cutter, stabilizing groove, stabilizing rod, hydraulic cylinder, driving frame and telescopic rod of the utility model;

[0016] Figure 4 It is a structural cross-sectional view of the top view of the paper cutter, rotating groove, rotating rod, clamping groove and clamping block of the utility model;

[0017] Figure 5 It is a structural schematic diagram of a paper cutter and a three-dimensional diagram of a stabilizing groove of the utility model.

[0018] In the figure: 1 bottom plate, 2 fixed frame, 3 workbench, 4 moving plate, 5 paper cutter, 6 stabilizing groove, 7 stabilizing rod, 8 hydraulic cylinder, 9 driving frame, 10 mounting plate, 11 plug block, 12 rotating groove, 13 rotating rod, 14 card slot, 15 card block, 16 lever, 17 positioning rod, 18 pull plate, 19 spring, 20 telescopic rod, 21 bearing. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 A paper cutter comprises a base plate 1 and a fixed frame 2 installed above the base plate 1, a workbench 3 is fixedly connected to the top of the base plate 1, a movable plate 4 which can be raised and lowered is arranged inside the fixed frame 2, a paper cutter 5 is plugged and installed at the bottom of the movable plate 4, a stabilizing groove 6 is provided on the front and rear sides of the paper cutter 5, and a stabilizing rod 7 is fixedly connected to the front and rear sides of the inner wall of the fixed frame 2.

[0021] See also Figure 1-5 A hydraulic cylinder 8 is installed on the top of the fixed frame 2, and the output shaft at the bottom of the hydraulic cylinder 8 is extended to the inside of the fixed frame 2 and connected to a driving frame 9. The driving frame 9 is opened front and back. The bottom of the driving frame 9 is fixedly connected to the top of the moving plate 4. The top of the moving plate 4 is fixedly connected to a telescopic rod 20, and the top of the telescopic rod 20 is fixedly connected to the top of the inner wall of the fixed frame 2. The setting of the telescopic rod 20 limits the movement trajectory of the moving plate 4, so that the moving plate 4 can only perform a linear lifting movement.

[0022] See also Figure 1-5 The left and right sides of the paper cutter 5 are fixedly connected with a mounting plate 10, the top of the mounting plate 10 is fixedly connected with an insert block 11, and the top of the insert block 11 is movably plugged into the bottom of the moving plate 4.

[0023] See also Figure 1-5 A rotating groove 12 is provided at the top of the paper cutter 5, a rotating rod 13 is rotatably installed at the top of the moving plate 4, and the left and right sides of the inner wall of the rotating groove 12 are fixedly connected with a card slot 14, and the left and right sides of the rotating rod 13 are fixedly connected with a card block 15, and the card block 15 is adapted to the card slot 14. A bearing 21 is provided in the groove at the top of the moving plate 4, and the surface of the outer ring of the bearing 21 is fixedly connected to the moving plate 4, and the inner wall of the inner ring of the bearing 21 is fixedly connected to the surface of the rotating rod 13.

[0024] See also Figure 1-5 The side of the rotating rod 13 is fixedly connected with a lever 16, and the top of the driving frame 9 is movably connected with a positioning rod 17. The bottom end of the positioning rod 17 passes through the driving frame 9, the lever 16 and the moving plate 4 in sequence and is movably plugged into the moving plate 4.

[0025] See also Figure 1-5The top end of the positioning rod 17 is fixedly connected with a pull plate 18 , and the surface of the positioning rod 17 is sleeved with a spring 19 , one end of the spring 19 is fixedly connected to the driving frame 9 , and the other end of the spring 19 is fixedly connected to the pull plate 18 .

[0026] When in use, paper is placed on the top of the workbench 3, and the hydraulic cylinder 8 works to make the paper cutter 5 move downward, and the paper cutter 5 can cut the paper, and in the process of the paper cutter 5 moving downward, the stabilizing rod 7 will enter the stabilizing groove 6, which can well stabilize the shape of the paper cutter 5 and prevent the paper cutter 5 from bending due to force. When it is necessary to disassemble the paper cutter 5, the staff pulls the positioning rod 17 upward through the pull plate 18, the spring 19 will extend, the positioning rod 17 will be disengaged from the lever 16, and the lever 16 is operated from the front, back or rear side of the driving frame 9, and the rotating rod 13 is rotated by the lever 16. The rotating rod 13 will drive the block 15 to rotate, and the block 15 will be disengaged from the slot 14, so that the paper cutter 5 will move downward, and the paper cutter 5 will drive the plug block 11 to be disengaged from the moving plate 4 through the mounting plate 10, so that the paper cutter 5 can be disassembled.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paper cutter, comprising a bottom plate (1), and a fixing frame (2) mounted above the bottom plate (1), characterized in that: A workbench (3) is fixedly connected to the top of the bottom plate (1), a movable plate (4) which can be raised and lowered is arranged inside the fixed frame (2), a paper cutter (5) is pluggably installed at the bottom of the movable plate (4), stabilizing grooves (6) are provided on both the front and rear sides of the paper cutter (5), and stabilizing rods (7) are fixedly connected to both the front and rear sides of the inner wall of the fixed frame (2).

2. A paper cutter according to claim 1, characterized in that: A hydraulic cylinder (8) is installed on the top of the fixed frame (2), and the output shaft at the bottom of the hydraulic cylinder (8) is extended to the inside of the fixed frame (2) and connected to a driving frame (9), and the bottom of the driving frame (9) is fixedly connected to the top of the moving plate (4).

3. A paper cutter according to claim 2, characterized in that: The left and right sides of the paper cutter (5) are fixedly connected to mounting plates (10), the top of the mounting plate (10) is fixedly connected to an insert block (11), and the top of the insert block (11) is movably inserted into the bottom of the moving plate (4).

4. A paper cutter according to claim 3, characterized in that: The top of the paper cutter (5) is provided with a rotation groove (12), the top of the moving plate (4) is rotatably mounted with a rotation rod (13), the left and right sides of the inner wall of the rotation groove (12) are fixedly connected with a clamping groove (14), the left and right sides of the rotation rod (13) are fixedly connected with a clamping block (15), and the clamping block (15) is adapted to the clamping groove (14).

5. A paper cutter according to claim 4, characterized in that: A lever (16) is fixedly connected to the side of the rotating rod (13), a positioning rod (17) is movably connected to the top of the driving frame (9), and the bottom end of the positioning rod (17) passes through the driving frame (9), the lever (16) and the moving plate (4) in sequence and is movably plugged onto the moving plate (4).

6. A paper cutter according to claim 5, characterized in that: A pull plate (18) is fixedly connected to the top end of the positioning rod (17), and a spring (19) is sleeved on the surface of the positioning rod (17).

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