CN213971347U

CN213971347U - Paper cutting machine

Info

Publication number: CN213971347U
Application number: CN202023123771.XU
Authority: CN
Inventors: 刘春林; 汤志林; 胡红卫
Original assignee: Zhejiang Lin'an Shuguang Printing Co ltd
Current assignee: Zhejiang Lin'an Shuguang Printing Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-17
Anticipated expiration: 2030-12-22

Abstract

The application relates to a paper cutter, and relates to the technical field of printing and processing. Before the piled and stacked paper is cut, metal hard objects may be mixed between the paper, and the cutter of the paper cutter contacts the metal hard objects in the cutting process, so that the cutter is damaged and loses efficacy, and the normal operation of the paper cutting process is influenced. This application includes the frame, installs cutter, workstation and metal detection mechanism in the frame. The metal detection mechanism comprises a detection platform, a support arranged on the detection platform, a metal detector and an audible and visual alarm arranged on the support, wherein the metal detector is electrically connected with the audible and visual alarm. The metal detector is a common electromagnetic sensor and can detect metal by utilizing electromagnetic induction. After the metal detector detects metal, the audible and visual alarm gives an alarm, and an operator further finds out a hard metal object mixed between the paper, so that the cutter is prevented from being damaged by the hard metal object as much as possible, and the cutting process is promoted to be normally carried out.

Description

Paper cutting machine

Technical Field

The application relates to the field of printing processing, in particular to a paper cutter.

Background

Before the paper prints, after printing and bind, all need generally to cut the paper, the cutting process is accomplished by the paper cutter, therefore the paper cutter is essential processing equipment in the printing and processing production.

The sheets are typically stacked together in a stack before being cut, and there may be metallic hardwares between the sheets, such as iron pieces that are inadvertently rested during stacking. If the operator does not find the metal hard before cutting, the cutter may contact the metal hard while cutting, resulting in damage to the cutter and failure.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the hard thing of contact metal leads to damaging when the cutter cuts, improve the life of cutter, this application provides a paper cutter.

The application provides a paper cutter adopts following technical scheme:

the utility model provides a paper cutter, includes frame, workstation and installs the cutter in the frame, still including setting up in the metal detection mechanism of workstation one side, metal detection mechanism includes testing platform, installs support on testing platform, installs metal detector and audible-visual annunciator on the support, and testing platform is the same with the height of workstation, and metal detector is located testing platform's top and orientation testing platform, and metal detector is connected with audible-visual annunciator electricity.

By adopting the technical scheme, before the stacked paper is cut, the paper needs to be placed on the detection platform to detect whether metal hard objects exist in the paper or not, so that the condition that the cutter is damaged due to the contact with the hard objects is avoided as much as possible, the service life of the cutter is prolonged, and the paper cutting process is promoted to be carried out smoothly; if the metal detects that the metal piece is clamped in the paper, the metal detector transmits an electric signal to the audible and visual alarm, so that the audible and visual alarm is controlled to give an alarm, and an operator is prompted to search and remove the metal hard object.

Optionally, the support is including connecting in detection platform's fixed part and swing joint in the movable part of fixed part, and the metal detector is installed in the movable part, and the fixed part is seted up along the groove that slides of vertical direction extension, and the movable part slides and sets up in the groove that slides.

Through adopting above-mentioned technical scheme, the movable part is along vertical direction sliding connection in fixed part, and the operating personnel of being convenient for adjusts the height of metal detector according to the thickness that the paper was stacked, makes metal detector be close to the paper as far as possible, improves the detection effect.

Optionally, a graduated scale parallel to the sliding groove is arranged on one side of the sliding groove.

Through adopting above-mentioned technical scheme, set up the scale beside the groove that slides, the operating personnel of being convenient for highly takes notes metal detector, is favorable to improving work efficiency.

Optionally, a screw rod extending in the vertical direction is arranged in the sliding groove, the movable portion is connected to the screw rod in a threaded manner, and a motor used for driving the screw rod to rotate is arranged at one end of the screw rod.

Through adopting above-mentioned technical scheme, motor drive lead screw rotates, and the lead screw drives the movable part and reciprocates, replaces the mode of manual regulation, is favorable to using manpower sparingly, reduces operating personnel's working strength.

Optionally, a distance sensor facing the detection platform is arranged above the detection platform, the distance sensor is located on one side, away from the workbench, of the metal detector, and the distance sensor is electrically connected with the motor.

By adopting the technical scheme, when the paper moves to the workbench from one end of the detection platform, which is far away from the workbench, the distance sensor can detect the height of the paper, the distance sensor transmits an electric signal to the motor, the motor is started, and the running time of the motor refers to the height of the paper, so that the height of the metal detector is automatically adjusted; the whole height adjusting process of the metal detector basically does not need human participation, the automation degree is high, manpower is saved, and the working intensity of operators is reduced.

Optionally, the outer surfaces of the bracket and the detection platform are provided with electromagnetic shielding layers.

By adopting the technical scheme, the electromagnetic shielding layers are arranged on the outer surfaces of the support and the detection platform, so that the interference of the metal material of the equipment to the metal detector is reduced, and the accuracy of the metal detector is improved.

Optionally, the detection platform includes that the conveying belt in the backing roll outside is located to the backing roll and the cover of pedestal, a plurality of horizontal settings, and the backing roll rotates around self axis and connects in the pedestal, and all backing rolls are arranged along the equidistant direction of detection platform to workstation, and the rotation axis perpendicular to backing roll's the direction of arranging.

Through adopting above-mentioned technical scheme, the paper is placed in conveyor belt's upper end, and operating personnel promotes the paper, makes the paper pass through metal detector and remove to the workstation, sets up backing roll and conveyor belt after, and operating personnel promotes the paper and gos forward more laborsavingly.

Optionally, the outer circumferential surface of the conveying belt is provided with anti-slip lines.

Through adopting above-mentioned technical scheme, conveyor belt's the outside is equipped with anti-skidding line, is favorable to improving the frictional force between conveyor belt and the paper, reduces the condition that skids to appear, is favorable to making the testing process go on smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the metal detection mechanism is arranged to detect whether a hard metal object exists in the paper, so that the condition that the cutter is damaged due to the fact that the cutter contacts the hard object is avoided as much as possible, and the service life of the cutter is prolonged;

2. by arranging the sliding groove, the movable part is connected to the fixed part in a sliding manner, so that the height of the metal detector can be adjusted, the metal detector is enabled to be close to paper as much as possible, and the detection effect is improved;

3. through setting up distance sensor, distance sensor can detect the height of paper, then adjusts metal detector's height automatically, is favorable to using manpower sparingly, alleviates operating personnel's working strength.

Drawings

Fig. 1 is a partial sectional view of a paper cutter according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a cutter; 2. a work table; 3. a metal detection mechanism; 31. a detection platform; 311. a pedestal; 312. a support roller; 313. a conveyor belt; 314. mounting grooves; 315. anti-skid lines; 32. a support; 321. a fixed part; 3213. a sliding groove; 322. a movable portion; 323. a graduated scale; 324. a screw rod; 325. a motor; 33. a metal detector; 34. an audible and visual alarm; 35. a mounting frame; 36. a distance sensor; 37. and an electromagnetic shielding layer.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a paper cutter. Referring to fig. 1, a paper cutter includes a frame 1, a cutter 11 mounted on the frame 1, a table 2 horizontally disposed, and a metal detection mechanism 3 disposed on one side of the table 2. Metal detection mechanism 3 includes testing platform 31, installs support 32 on testing platform 31, installs metal detector 33 and audible-visual annunciator 34 on support 32, and testing platform 31 is close to workstation 2 and sets up, and testing platform 31 flushes with the up end of workstation 2, and metal detector 33 is connected with audible-visual annunciator 34 electricity. The metal detector 33 is a commonly used electromagnetic sensor for detecting metal by electromagnetic induction.

The detection platform 31 includes a pedestal 311 disposed on the ground, a plurality of support rollers 312, and a conveying belt 313 sleeved outside the support rollers, wherein the support rollers 312 and the conveying belt 313 are made of rubber. The upper end of pedestal 311 is seted up downwards and is seted up the mounting groove 314 that the cross-section is the rectangle, and mounting groove 314 extends the setting to workstation 2 from one side that workstation 2 was kept away from to pedestal 311, and whole pedestal 311 is run through along self length direction's both ends to mounting groove 314. All the supporting rollers 312 are arranged at equal intervals along the length direction of the mounting groove 314, the two ends of the supporting rollers 312 are rotatably connected to the side wall of the mounting groove 314 through bearings, the supporting rollers 312 are horizontally arranged, and the rotating axes are the axes of the supporting rollers. The upper end of the conveyor belt 313 is flush with the upper end of the table 2, and the outer peripheral surface of the conveyor belt 313 is provided with an anti-slip pattern 315 for increasing the frictional force.

The bracket 32 includes two fixing portions 321 mounted on the side surface of the pedestal 311 and a movable portion 322 disposed between the two fixing portions 321, and the two fixing portions 321 are disposed opposite to each other and arranged along the width direction of the mounting groove 314. The fixed part 321 is the rectangle post of vertical setting, and the fixed part 321 has seted up the groove 3213 that slides near one side of activity portion 322, and the groove 3213 that slides is the T-slot, and the length direction in groove 3213 that slides is vertical direction. The movable portion 322 is a rectangular flat plate, and two ends of the movable portion 322 are disposed in the sliding groove 3213 in a sliding manner along a vertical direction. A graduated scale 323 is fixedly mounted on the vertical plate 3212, the graduated scale 323 is arranged close to one long edge of the sliding groove 3213, and the length direction of the graduated scale 323 is along the vertical direction. The metal detector 33 is fixedly installed at the lower end of the movable part 322 and is positioned at the center of the movable part 322, the detecting head of the metal detector 33 points to the conveying belt 313 downwards, and the audible and visual alarm 34 is installed at the upper end of the movable part 322.

An operator first places the paper to be cut at an end of the conveyor belt 313 away from the table 2, pushes the paper, and the paper rotates the support roller 312 due to static friction between itself and the conveyor belt 313, and the conveyor belt 313 conveys the paper toward the table 2. When the paper passes below the metal detector 33, if metal hard objects are mixed in the paper, after the metal detector 33 detects the metal hard objects, the metal detector 33 transmits electric signals to the audible and visual alarm 34, so that the audible and visual alarm 34 is electrified to send out alarm squeaking and flashing light, an operator can pay attention to the alarm, and the metal hard objects in the paper can be searched and removed.

A vertically arranged screw rod 324 is installed in each sliding groove 3213, the upper end of the screw rod 324 is rotatably connected to the top wall of the sliding groove 3213 through a bearing, and the lower end of the screw rod 324 penetrates through the fixing part 321 and extends to the lower part of the fixing part 321. A motor 325 is fixedly mounted below the fixing portion 321, and an output shaft of the motor 325 is clamped to the lower end of the screw rod 324. The screw 324 penetrates the end of the movable portion 322 and is screw-coupled to the movable portion 322.

The motor 325 is started, the motor 325 drives the screw rod 324 to rotate around the axis of the motor, and the movable part 322 moves up and down along the sliding groove 3213 under the driving of the screw rod 324, so that the height of the metal detector 33 can be adjusted. The detection range of the metal detector 33 is usually limited, and the height of the metal detector 33 is adjusted so that the metal detector 33 is as close as possible to the upper surface of the paper, thereby improving the detection accuracy.

One side that workstation 2 was kept away from to metal detector 33 is equipped with mounting bracket 35, and the fixed setting in the side of pedestal 311 is laminated to the mounting bracket 35 lower extreme, and the upper end of mounting bracket 35 extends to conveyor belt 313 directly over along the horizontal direction. A distance sensor 36 facing downwards vertically is arranged above the conveying belt 313, the distance sensor 36 is mounted on the mounting frame 35, the distance sensor 36 is a common infrared sensor, and the distance sensor 36 is electrically connected with a motor 325. Mounting bracket 35, support 32 and pedestal 311 are the metalwork, and the surface of three all is equipped with electromagnetic shield layer 37, and electromagnetic shield layer 37's main material is conductive rubber, and conductive rubber generally comprises adhesives such as silicone, silicone fluoride and electrically conductive filler such as pure silver, silvered copper, silvered aluminium, can obstruct or attenuate electromagnetic energy and propagate to reduce the interference to metal detector 33.

When the sheet is conveyed on the conveyor belt 313, it first passes through the distance sensor 36, the distance sensor 36 can detect the total thickness of the sheet, and then the distance sensor 36 transmits the thickness value of the sheet to the motor 325. The motor 325 is operated for a corresponding time according to the thickness value of the paper such that the lower end of the metal detector 33 is close to the upper surface of the paper. Before the height of the metal detector 33 is automatically adjusted by the distance sensor 36, the motor 325 needs to be driven to make the metal detector 33 located at the same height, so as to ensure that the initial moving positions of the movable portions 322 are consistent.

The implementation principle of the embodiment is as follows: by arranging the metal detection mechanism 3, whether a hard metal object is mixed in the paper is detected before the paper is cut, an operator removes the hard metal object according to a detection result, and the condition that the cutter 11 is damaged by the hard metal object during cutting is avoided as much as possible; through setting up lead screw 324, motor 325 and distance sensor 36 etc. automatically, adjust metal detector 33's height, be favorable to using manpower sparingly, alleviate operating personnel's working strength.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A paper cutter, includes frame (1), workstation (2) and install in cutter (11) in frame (1), its characterized in that: still including set up in metal detection mechanism (3) of workstation (2) one side, metal detection mechanism (3) including detection platform (31), install in support (32) on detection platform (31), install in metal detector (33) and audible-visual annunciator (34) on support (32), detection platform (31) with the height of workstation (2) is the same, metal detector (33) are located the top and the orientation of detection platform (31) detect platform (31), metal detector (33) with audible-visual annunciator (34) electricity is connected.

2. The paper cutter of claim 1, wherein: support (32) including connect in fixed part (321) of detection platform (31) and swing joint in movable part (322) of fixed part (321), metal detector (33) install in movable part (322), fixed part (321) are seted up along vertical direction extension's groove (3213) that slides, movable part (322) slide set up in the groove (3213) that slides.

3. The paper cutter of claim 2, wherein: a graduated scale (323) parallel to the sliding groove (3213) is arranged on one side of the sliding groove (3213).

4. The paper cutter of claim 2, wherein: a screw rod (324) extending in the vertical direction is arranged in the sliding groove (3213), the movable part (322) is in threaded connection with the screw rod (324), and one end of the screw rod (324) is provided with a motor (325) for driving the screw rod (324) to rotate.

5. The paper cutter of claim 4, wherein: the top of detecting platform (31) is equipped with the orientation detect platform (31) distance sensor (36), distance sensor (36) are located metal detector (33) are kept away from one side of workstation (2), distance sensor (36) with motor (325) electricity is connected.

6. The paper cutter of claim 1, wherein: and electromagnetic shielding layers (37) are arranged on the outer surfaces of the bracket (32) and the detection platform (31).

7. The paper cutter of claim 1, wherein: detection platform (31) are located including backing roll (312) and the cover that pedestal (311), a plurality of levels set up conveyor belt (313) in the backing roll (312) outside, backing roll (312) rotate around self axis connect in pedestal (311), all backing roll (312) are followed detection platform (31) extremely the direction of workstation (2) is equidistant arranges, the axis of rotation perpendicular to of backing roll (312) the direction of arranging of backing roll (312).

8. The paper cutter of claim 7, wherein: the outer circumferential surface of the conveying belt (313) is provided with anti-skid grains (315).