Paper cutting machine with protection mechanism

Abstract

The utility model discloses a paper cutting machine with a protection mechanism. The paper cutting machine comprises a paper pushing mechanism. The paper cutting mechanism comprises a cutter capable of moving up and down, an operation opening used for exposing the cutter when the cutter moves downwards is formed in the front portion of the machine box, and an operation table which penetrates through the bottom of the operation opening, protrudes out of the front portion of the machine box and is used for placing paper to be cut is horizontally arranged on the machine box. Fixed protective covers which stretch across the upper area of the rear portion, close to the operation opening, of the operation table and stretch out towards the front lower portion are fixedly arranged on the two sides of the front portion of the machine case, and movable protective covers which stretch across the upper portion of the operation table and are matched with the fixed protective covers to cover the operation table and the operation table are further rotationally arranged on the two sides of the front portion of the machine case. Through the arrangement of the fixed protective cover and the movable protective cover, the operating table and the operating cover can be covered, so that limbs of a person are prevented from entering a dangerous area of the cutter, the person is prevented from being injured, the safety performance is improved, production is facilitated, and use is convenient and fast.

Description

Technical Field

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

[0002] The paper cutter is used to handle the paper cutting needs in the later stage of printing. It has developed from a mechanical paper cutter to a tape-controlled paper cutter, and then to a cutting system with microcomputer program control, color display, full image operation-guided visual processing and computer-aided cutting, external programming and editing of production data. It includes a chassis, a paper cutting mechanism, a paper pressing mechanism, a paper pushing mechanism and a control system, among which the paper cutting mechanism, paper pressing mechanism, paper pushing mechanism and control system are all arranged inside the chassis.

[0003] The movement of the cutter of the existing paper cutting mechanism is mostly achieved by controlling the control system to control the cylinder piston rod to extend and retract to drive the cutter, thereby completing the cutting or trimming of the paper.

[0004] However, the existing paper cutters do not have adequate protection measures for operators, and it is easy for people to put their limbs into the dangerous area of ​​the cutter, causing accidents of personal injury. The safety performance is low and is not conducive to production. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a paper cutter with a protection mechanism to solve the problem raised in the background technology.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0007] A paper cutter with a protective mechanism comprises a paper pushing mechanism; the paper cutting mechanism comprises a cutter that can move up and down, and the front part of the chassis is provided with an operating opening for exposing the cutter when the cutter moves downward, wherein an operating table is horizontally provided on the chassis, passing through the bottom of the operating opening and protruding from the front part of the chassis, and is used to place paper to be cut; fixed protective covers are fixedly provided on both sides of the front of the chassis, spanning the upper rear area of ​​the operating table close to the operating opening and extending forward and downward, and movable protective covers are also rotatably provided on both sides of the front of the chassis, spanning the top of the operating table and cooperating with the fixed protective covers to cover the operating table and the operating cover.

[0008] Preferably, the fixed protective cover comprises two fixed fan-shaped side panels which are respectively fixedly connected to the two sides of the front of the chassis and extend forward and downward, and a fixed arc-shaped top panel which is arranged between the two fixed fan-shaped side panels.

[0009] Preferably, the movable protective cover includes two movable fan-shaped side panels which are rotatably connected to the chassis through mounting shafts installed on both sides of the front of the chassis and are located outside the fixed fan-shaped side panels, and a movable fan-shaped top panel which is arranged between the two movable fan-shaped side panels and is located outside the fixed arc-shaped top panel.

[0010] Preferably, the inner side surface of the movable fan-shaped side panel and the outer side surface of the fixed fan-shaped side panel are slidably assembled through the provided protrusions and grooves.

[0011] Preferably, a lower pressure strip is provided on the bottom edge of the movable fan-shaped top plate; a groove for accommodating the lower pressure strip is provided at the front end of the upper surface of the operating table, a pressure sensor for detecting the pressure of the movable protective cover is provided in the groove, and the output end of the pressure sensor is connected to the input end of the controller.

[0012] Preferably, a handle is provided on the lower portion of the outer surface of the movable fan-shaped top plate for facilitating opening and closing of the movable protective cover.

[0013] Preferably, the fixed protective cover and the movable protective cover are both transparent covers.

[0014] Preferably, a control panel electrically connected to the controller to achieve human-computer interaction is provided on the top front box panel of the chassis.

[0015] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0016] The utility model can not only cover the operating table and the operating cover by arranging the fixed protective cover and the movable protective cover, thereby preventing people from putting their limbs into the dangerous area of ​​the cutter and avoiding injuries to people, but also improves the safety performance, is beneficial to production, and is convenient and quick to use.

[0017] The utility model provides a pressure sensor connected to the controller for detecting the opening and closing of the movable protective cover, so that the controller can cut off the circuit driving the paper cutting mechanism after the movable protective cover is opened, thereby preventing the operator from accidentally starting the paper cutter and causing personal injury due to the cutting of the cutter, thereby further improving the safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is a side view of the movable protective cover of the utility model after being closed;

[0020] Figure 3 It is a side view of the movable protective cover of the utility model after opening.

[0021] Among them: 1. chassis, 2. operating table, 3. control panel, 4. operating port, 5. cutter, 6. fixed protective cover, 61. fixed fan-shaped side panel, 62. fixed arc-shaped top panel, 7. mounting shaft, 8. movable protective cover, 81. movable fan-shaped side panel, 82. movable fan-shaped top panel, 83. lower pressure strip, 84. handle. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] A paper cutter with a protective mechanism, combined Figures 1 to 3 As shown, it includes a chassis 1, and the chassis 1 is provided with a controller, a paper cutting mechanism, a paper pressing mechanism and a paper pushing mechanism, wherein the paper cutting mechanism is used to cut paper; the paper pressing mechanism is used to press the paper during the paper cutting mechanism cutting process; the paper pushing mechanism is used to push the paper after the paper is cut once, so as to achieve continuous paper cutting by the cutting mechanism; the controller is electrically connected to the paper cutting mechanism, the paper pressing mechanism and the paper pushing mechanism, respectively, so as to achieve automatic control of the paper cutter. Specifically, the specific structures of the paper cutting mechanism, the paper pressing mechanism and the paper pushing mechanism are all prior art, and are not limited or elaborated here.

[0024] The paper cutting mechanism comprises a cutter 5, and the cutter 5 can move up and down to cut the paper.

[0025] A control panel 3 is provided on the top front panel of the chassis 1. The control panel 3 is electrically connected to the controller and is used to realize human-computer interaction. An operation port 4 is provided at the front of the chassis 1. The operation port 4 is used to expose the cutter 5 when the cutter 5 moves downward. An operation table 2 is horizontally provided on the chassis 1. The operation table 2 passes through the bottom of the operation port 4 and protrudes from the front of the chassis 1. The operation table 2 is used to place the paper to be cut, so that the paper can be cut after the cutter 5 falls. In order to prevent people from putting their limbs into the dangerous area of ​​the cutter and avoid injuries, a protective mechanism is provided on the chassis 1. The protective mechanism includes a fixed protective cover 6 and a movable protective cover 8.

[0026] The fixed protective cover 6 is fixedly arranged on both sides of the front of the chassis 1 and spans the upper rear area of ​​the operating table 2 near the operating port 4 and extends forward and downward. Specifically, the fixed protective cover 6 includes two fixed fan-shaped side panels 61 and a fixed arc-shaped top panel 62, wherein the two fixed fan-shaped side panels 61 are respectively fixedly connected to both sides of the front of the chassis 1 and extend forward and downward; a fixed arc-shaped top panel 62 is arranged between the two fixed fan-shaped side panels 61. The fixed protective cover 6 can cover the rear of the operating table 2 from the upper rear of the operating table 2 near the operating port 4.

[0027] The movable protective cover 8 is rotatably arranged on both sides of the front of the chassis 1 and spans over the operating table 2 and can cooperate with the fixed protective cover 6 to cover the operating table 2 and the operating port 4. The specific movable protective cover 8 includes two movable fan-shaped side panels 81 and a movable fan-shaped top panel 82, wherein the two movable protective covers 8 are rotatably connected to the chassis 1 through the mounting shafts 7 installed on both sides of the front of the chassis 1, and the two movable protective covers 8 are respectively located on the outside of the connected fixed fan-shaped side panels 61; a movable fan-shaped top panel 82 is arranged between the two movable fan-shaped side panels 81 and on the outside of the fixed arc-shaped top panel 62. When the movable protective cover 8 is rotated downward, the top end of the movable protective cover 8 is located outside the bottom end of the fixed protective cover 6, the bottom of the movable protective cover 8 abuts against the front end of the operating table 2, and the movable protective cover 8 is closed, thereby covering the operating table 2 and the operating port 4 to prevent people from putting their limbs into the dangerous area of ​​the cutter and avoiding personal injury; when the movable protective cover 8 is rotated upward, the bottom end of the movable protective cover 8 is located outside the bottom end of the fixed protective cover 6, and the movable protective cover 8 is opened, thereby exposing the operating table 2 and the operating port 4, making it convenient for operators to take and put paper.

[0028] In order to prevent the operator's arm from being injured by the paper cutting mechanism being mistakenly activated when placing paper under the cutter 5 or taking out the cut paper on the operating table 2 from under the cutter 5 through the operating table 2 and the operating port 4, a lower pressure strip 83 is provided at the bottom edge of the movable fan-shaped top plate 82. A groove is provided at the front end of the upper surface of the operating table 2, and the groove is used to accommodate the lower pressure strip 83 when the movable protective cover 8 is closed. A pressure sensor is provided inside the groove. When the movable protective cover 8 is closed, the lower pressure strip 83 will generate pressure on the pressure sensor, so that the pressure sensor detects the pressure signal generated by the closing of the movable protective cover 8, and the output end of the pressure sensor is connected to the input end of the controller. When the controller receives the pressure signal detected by the pressure sensor, it means that the operator's arm has left the operating table 2. At this time, the controller will control the paper cutting mechanism to control the movement of the cutter 5, thereby preventing the paper cutting mechanism from being mistakenly activated and causing harm to the operator. When the movable protective cover 8 is opened, the pressure sensor will not detect the pressure signal generated by the movable protective cover 8, and the controller will drive the paper cutting mechanism to lift the cutter 5 and cut off the circuit driving the paper cutting mechanism to prevent the operator from accidentally starting the paper cutter and causing personal injury due to the cutter 4 cutting down.

[0029] A handle 84 is provided at the lower portion of the outer surface of the movable sector-shaped top plate 82 , and the handle 84 can be used to facilitate opening and closing of the movable protective cover 8 , thereby facilitating the taking and placing of paper.

[0030] The inner side surface of the movable sector-shaped side plate 81 and the outer side surface of the fixed sector-shaped side plate 61 are slidably assembled through the provided protrusions and grooves, thereby ensuring the stability of the movable protective cover 8 during the opening and closing process.

[0031] Both the fixed protective cover 6 and the movable protective cover 8 are transparent covers, so that the cutting condition of the paper can be observed easily.

[0032] When the utility model is in use, the fixed protective cover 6 and the movable protective cover 8 are provided to cover the operating table 2 and the operating port 4, so as to prevent people from putting their limbs into the dangerous area of ​​the cutter 5. When the operator opens the movable protective cover 8 to take or put paper, the pressure sensor provided in the groove will not detect the pressure signal generated by the movable protective cover 8, and the controller will drive the paper cutting mechanism to lift the cutter 5 and cut off the circuit driving the paper cutting mechanism to prevent the operator from accidentally starting the paper cutter and causing the cutter 4 to cut down and cause personal injury. When the operator puts the paper and closes the movable protective cover 8, the pressure sensor provided in the groove will send the detected pressure information to the controller, and the controller will connect the circuit driving the paper cutting mechanism and drive the paper cutting mechanism to control the movement of the cutter 5 to complete the paper cutting.

Claims

1. A paper cutter with a protective mechanism, comprising a chassis (1), wherein a controller and a paper cutting mechanism, a paper pressing mechanism and a paper pushing mechanism connected to the controller are arranged inside the chassis (1); the paper cutting mechanism comprises a cutter (5) that can move up and down, and an operating opening (4) for exposing the cutter (5) when the cutter (5) moves downward is opened at the front of the chassis (1), characterized in that: The chassis (1) is horizontally provided with an operating table (2) which passes through the bottom of the operating opening (4) and protrudes from the front of the chassis (1) and is used to place paper to be cut; fixed protective covers (6) are fixedly provided on both sides of the front of the chassis (1) and are arranged to cross the upper rear area of ​​the operating table (2) near the operating opening (4) and protrude forward and downward; and movable protective covers (8) are also rotatably provided on both sides of the front of the chassis (1) and are arranged to cross the upper part of the operating table (2) and cooperate with the fixed protective covers (6) to cover the operating table (2) and the operating opening (4).

2. A paper cutter with a protective mechanism according to claim 1, characterized in that: The fixed protective cover (6) comprises two fixed sector-shaped side panels (61) respectively fixedly connected to the front sides of the chassis (1) and extending forward and downward, and a fixed arc-shaped top panel (62) arranged between the two fixed sector-shaped side panels (61).

3. A paper cutter with a protective mechanism according to claim 2, characterized in that: The movable protective cover (8) comprises two movable fan-shaped side panels (81) which are rotatably connected to the chassis (1) via mounting shafts (7) respectively mounted on both sides of the front of the chassis (1) and are located outside the fixed fan-shaped side panels (61), and a movable fan-shaped top panel (82) which is arranged between the two movable fan-shaped side panels (81) and is located outside the fixed arc-shaped top panel (62).

4. A paper cutter with a protective mechanism according to claim 3, characterized in that: The inner side surface of the movable sector-shaped side plate (81) and the outer side surface of the fixed sector-shaped side plate (61) are slidably assembled via the provided protrusions and grooves.

5. A paper cutter with a protective mechanism according to claim 3, characterized in that: A lower pressing strip (83) is arranged at the bottom edge of the movable fan-shaped top plate (82); a groove for accommodating the lower pressing strip (83) is provided at the front end of the upper surface of the operating table (2); a pressure sensor for detecting the pressure of the movable protective cover (8) is arranged in the groove; and an output end of the pressure sensor is connected to an input end of the controller.

6. A paper cutter with a protective mechanism according to claim 3, characterized in that: A handle (84) is provided at the lower portion of the outer surface of the movable sector-shaped top plate (82) for facilitating opening and closing of the movable protective cover (8).

7. A paper cutter with a protective mechanism according to claim 1, characterized in that: The fixed protective cover (6) and the movable protective cover (8) are both transparent covers.

8. A paper cutter with a protective mechanism according to claim 1, characterized in that: A control panel (3) electrically connected to the controller to achieve human-machine interaction is arranged on the top front box panel of the box (1).

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