Cutting device for printing
Technical Field
The utility model relates to the field of cutting devices, in particular to a cutting device for printing.
Background
In the production and printing process of printed matters, printed paper is required to be cut into specific required sizes, and at present, the printed paper is cut through a paper cutting device, and a driving mechanism in the cutting device drives a cutting knife to move up and down, so that the paper is separated.
The utility model with the publication number of CN216426261U discloses a paper cutting device for printing, which relates to the technical field of cutting equipment and comprises a frame, a first cylinder and a cutting knife, wherein the first cylinder is symmetrically arranged at the top of the frame, the output end of the first cylinder is connected with the cutting knife, a conveyor belt is arranged below the inside of the frame, a material supporting plate is arranged on the right side inside the frame, a material collecting box is arranged on the right side of the frame, a paving mechanism is arranged above the inside of the frame, and a driving mechanism matched with a gear shaft is arranged on the frame.
However, the above patent suffers from the following disadvantages:
1. In the above patent, the spreading mechanism is arranged above the inside of the frame, the second cylinder in the spreading mechanism drives the roller to move downwards to compress paper before cutting, the motor drives the moving plate to move horizontally through the gear shaft and the rack, so that the roller is driven to move horizontally to roll the surface of the paper, and further the cutting quality of the paper is prevented from being influenced by the folds of the paper, but the paper is compressed and fixed only through the front end of the roller which is stopped at the cut part before cutting of the device, and the paper cannot be fixed stably because the roller can rotate freely and is not limited, so that the paper can slide when the paper is cut, and the cutting precision of the paper is reduced;
2. According to the paper flattening machine, the flattening mechanism is arranged above the inside of the frame, the second cylinder in the flattening mechanism drives the roller to move downwards to compress paper before cutting, the motor drives the movable plate to move horizontally through the gear shaft and the rack, so that the roller is driven to move horizontally to roll the surface of the paper, the cutting quality of the paper is further prevented from being influenced by the folds of the paper, but the roller and the paper contact part of the roller is the bottom of the round roller-shaped part, the area of the roller in actual contact with the paper is small, and therefore, when the roller moves to the paper to compress, the two sides of the paper can be curled, and the flattening quality of the paper can be reduced.
Disclosure of utility model
The utility model aims to provide a cutting device for printing, which can flatten paper placed on the surface of a conveying belt by arranging a flattening component, so that the paper can be kept flat before cutting, and meanwhile, before the paper is required to be cut, a pressing roller and a belt can be fixed by virtue of a fixing component, so that the paper pressed on the bottom of the belt can be fixed, the paper can be prevented from shifting before being cut, and further the cutting precision of the paper can be improved, so that the defects in the technology are overcome.
In order to achieve the aim, the utility model provides the technical scheme that the cutting device for printing comprises a supporting mechanism, a conveying mechanism, a flattening mechanism and a cutting mechanism;
The conveying mechanism is arranged on the inner side of the supporting mechanism and is used for conveying paper;
The flattening mechanism is arranged at the top of the conveying mechanism and is used for flattening and fixing the conveyed paper;
The cutting mechanism is arranged at the top of the conveying mechanism and is used for cutting the flattened paper;
The supporting mechanism comprises a base and a top plate, wherein the top plate is arranged at the top of the base, supporting plates are fixedly connected between the top plate and the base, and the number of the supporting plates is two;
The flattening mechanism comprises a flattening component and a fixing component, wherein the fixing component is arranged inside the flattening component, the flattening component is used for flattening paper, and the fixing component is used for limiting the flattening component.
Preferably, the conveying mechanism comprises a conveying belt, the conveying belt is arranged at the top of the base, baffles are arranged on two sides of the conveying belt, and the bottom of the baffles is fixedly connected with the base;
Paper on the surface of the conveyer belt can be conveyed by starting the conveyer belt, and meanwhile, the paper can be limited by the baffles on two sides, so that the position of the paper is prevented from deviating when the paper is conveyed by the conveyer belt.
Preferably, the flattening component comprises a fixed frame, a first stepping motor and a mounting frame, a sliding rod is arranged in the fixed frame in a sliding manner, a threaded rod is connected with the middle of the sliding rod in a threaded manner, two ends of the threaded rod are rotationally connected with the inner wall of the fixed frame, the first stepping motor is arranged on the side wall of the fixed frame, an output shaft of the first stepping motor is fixedly connected with the threaded rod, the mounting frame is arranged at the bottom of the sliding rod, the mounting frame is of an inverted U shape, an electric push rod is arranged between the mounting frame and the sliding rod, the top of the electric push rod is fixedly connected with the sliding rod, the output end of the electric push rod is fixedly connected with the mounting frame, two compression rollers are rotationally arranged on the inner side of the mounting frame, and a belt is sleeved between the two compression rollers;
Can drive the installation frame downwardly moving through starting electric putter, the belt in the installation frame drives the compression roller outside offsets with the paper on conveyer belt surface simultaneously, can drive the threaded rod rotation through starting first step motor this moment to drive the slide bar with threaded rod threaded connection from right side to left side in the installation frame, drive the belt in installation frame and compression roller outside through electric putter simultaneously and remove from right side to left side on the paper surface, thereby flatten the paper.
Preferably, the fixing component comprises a mounting frame and fixing sleeves, the side wall of the mounting frame is fixedly connected with the inner wall of the mounting frame, a second stepping motor is fixedly connected to the inner side of the mounting frame, a rotating disc is fixedly connected to an output shaft of the second stepping motor, two driving shafts are fixedly connected to the surface of the rotating disc, the number of the fixing sleeves is two, the two fixing sleeves are respectively arranged on two sides of the rotating disc, the side wall of the fixing sleeve is fixedly connected with the inner wall of the mounting frame, a supporting rod is slidably arranged in the middle of the fixing sleeve, one end of the supporting rod is fixedly connected with a friction block, the other end of the supporting rod is fixedly connected with a driving sleeve, the friction block is matched with the compression roller, and the driving sleeve is arranged on the outer side of the adjacent driving shaft;
Can drive the rolling disc through starting the second step motor and rotate, the rolling disc can drive two drive sleeves respectively through two drive shafts and the butt pole that is connected with it slides in fixed cover this moment to drive the friction block through the butt pole and offset with the compression roller, and then fix the compression roller, cup joint the belt that sets up in the compression roller outside this moment and also can't remove yet, and then can fix the paper of pressing in the belt bottom, thereby make things convenient for follow-up cutting to the paper.
Preferably, the cutting mechanism comprises a pneumatic cylinder and a supporting frame, the pneumatic cylinder is arranged at the bottom of the top plate, the bottom of an output shaft of the pneumatic cylinder penetrates through the top plate, the output shaft of the pneumatic cylinder is fixedly connected with a cutting knife, the supporting frame is arranged at the top of the base, the supporting frame is in an inverted U shape, two ends of the supporting frame are fixedly connected with the base, cutting grooves are formed in the top of the supporting frame, and the cutting grooves are matched with the cutting knife;
Can drive through pneumatic cylinder and cut the cutter downwardly moving, and then can cut the paper after fixing through cutting the cutter, can hold the tool bit that cuts the cutter when cutting the cutter downwardly cutting paper to the matched cutting groove through setting up in cutting the cutter simultaneously to avoid cutting cutter and supporting frame direct contact, and then can avoid cutting the cutter impaired.
Preferably, auxiliary rollers are arranged between the two compression rollers, two ends of each auxiliary roller are rotatably connected with the inner wall of the mounting frame, the bottoms of the auxiliary rollers are propped against the belt, the number of the auxiliary rollers is multiple, and the auxiliary rollers are distributed in a linear array;
The bottom of the belt between the two compression rollers can be supported by the aid of the auxiliary rollers, and the problem that the flattening effect on paper is reduced due to the fact that the middle of the belt is not pressed downwards can be avoided.
In the technical scheme, the utility model has the technical effects and advantages that:
1. the paper placed on the surface of the conveying belt can be flattened through the flattening component, so that the paper can be kept flat before being cut, meanwhile, before the paper is needed to be cut, the pressing roller and the belt can be fixed through the fixing component, the paper pressed on the bottom of the belt can be fixed, deviation of the paper before being cut can be avoided, and further cutting precision of the paper is improved;
2. through the cover is equipped with the belt between two compression rollers, can improve the area of contact of flattening part bottom and paper to the circumstances that its both sides wane takes place when can avoiding the paper middle part to be extruded, and then is favorable to improving the flattening effect to the paper.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of a first portion of the construction of the flattening component of the present utility model;
FIG. 3 is a schematic view of a second portion of the flattening component of the present utility model;
fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.
Reference numerals illustrate:
1. A support mechanism; 11, a base, 12, a top plate, 13 and a supporting plate;
2. The conveying mechanism, the conveying belt, the baffle plate and the conveying belt are arranged in sequence;
3. A flattening mechanism;
31. flattening component 311, fixing frame 312, first stepping motor 313, mounting frame 314, sliding rod 315, threaded rod 316, electric push rod 317, press roller 318 and belt;
32. The device comprises a fixed part 321, a mounting rack 322, a fixed sleeve 323, a second stepping motor 324, a rotating disc 325, a driving shaft 326, a supporting rod 327, a friction block 328 and a driving sleeve;
4. cutting mechanism, 41, pneumatic cylinder, 42, supporting frame, 43, cutting knife, 44 and cutting slot;
5. Auxiliary rollers.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a cutting device for printing, which is shown in figures 1-4, and comprises a supporting mechanism 1, a conveying mechanism 2, a flattening mechanism 3 and a cutting mechanism 4;
The conveying mechanism 2 is arranged on the inner side of the supporting mechanism 1, and the conveying mechanism 2 is used for conveying paper;
The flattening mechanism 3 is arranged at the top of the conveying mechanism 2, and the flattening mechanism 3 is used for flattening and fixing the conveyed paper;
The cutting mechanism 4 is arranged at the top of the conveying mechanism 2, and the cutting mechanism 4 is used for cutting flattened paper;
The supporting mechanism 1 comprises a base 11 and a top plate 12, wherein the top plate 12 is arranged at the top of the base 11, a supporting plate 13 is fixedly connected between the top plate 12 and the base 11, and the number of the supporting plates 13 is two;
the flattening mechanism 3 comprises a flattening component 31 and a fixing component 32, wherein the fixing component 32 is arranged inside the flattening component 31, the flattening component 31 is used for flattening paper, and the fixing component 32 is used for limiting the flattening component 31.
Further, in the above technical scheme, the conveying mechanism 2 includes a conveying belt 21, the conveying belt 21 is disposed at the top of the base 11, two sides of the conveying belt 21 are respectively provided with a baffle 22, and the bottom of the baffle 22 is fixedly connected with the base 11.
Further, in the above technical scheme, the flattening component 31 includes the fixed frame 311, the first step motor 312 and the installation frame 313, the inside slip of fixed frame 311 is provided with slide bar 314, slide bar 314 middle part threaded connection has threaded rod 315, threaded rod 315 both ends all rotate with fixed frame 311 inner wall and be connected, first step motor 312 sets up in fixed frame 311 lateral wall, first step motor 312 output shaft and threaded rod 315 fixed connection, the installation frame 313 sets up in slide bar 314 bottom, the installation frame 313 is set up to the shape of falling U, be equipped with electric putter 316 between installation frame 313 and the slide bar 314, electric putter 316 top and slide bar 314 fixed connection, electric putter 316 output and installation frame 313 fixed connection, the inboard rotation of installation frame 313 is provided with two compression rollers 317, cup joints between two compression rollers 317 and is provided with belt 318.
Further, in the above technical scheme, the fixing component 32 includes the mounting bracket 321 and the fixed cover 322, mounting bracket 321 lateral wall and mounting frame 313 inner wall fixed connection, mounting bracket 321 inboard fixedly connected with second step motor 323, second step motor 323 output shaft fixedly connected with rolling disc 324, rolling disc 324 fixed surface is connected with two drive shafts 325, fixed cover 322 quantity is established to two, two fixed cover 322 set up respectively in rolling disc 324 both sides, fixed cover 322 lateral wall and mounting frame 313 inner wall fixed connection, fixed cover 322 middle part slides and is provided with the butt pole 326, butt pole 326 one end fixedly connected with friction disc 327, butt pole 326 other end fixedly connected with drive cover 328, friction disc 327 and compression roller 317 assorted, adjacent drive shaft 325 outside is located to drive cover 328.
Further, in the above technical scheme, the cutting mechanism 4 includes a pneumatic cylinder 41 and a supporting frame 42, the pneumatic cylinder 41 is disposed at the bottom of the top plate 12, the bottom of the output shaft of the pneumatic cylinder 41 is disposed through the top plate 12, the output shaft of the pneumatic cylinder 41 is fixedly connected with a cutting knife 43, the supporting frame 42 is disposed at the top of the base 11, the supporting frame 42 is in an inverted U shape, two ends of the supporting frame 42 are fixedly connected with the base 11, a cutting groove 44 is formed at the top of the supporting frame 42, and the cutting groove 44 is matched with the cutting knife 43.
Further, in the above technical solution, an auxiliary roller 5 is disposed between two of the pressing rollers 317, two ends of the auxiliary roller 5 are rotatably connected with the inner wall of the mounting frame 313, the bottom of the auxiliary roller 5 abuts against the belt 318, the number of the auxiliary rollers 5 is multiple, and a plurality of the auxiliary rollers 5 are distributed in a linear array.
The working principle of the utility model is as follows:
Referring to fig. 1-4 of the specification, when the device is used, firstly, paper is placed on the surface of a conveying belt 21, then the conveying belt 21 is started to convey the paper on the surface to the bottom of a flattening mechanism 3, then an electric push rod 316 is started to drive a mounting frame 313 to move downwards, meanwhile, the mounting frame 313 drives a belt outside a press roller 317 to abut against the paper on the surface of the conveying belt 21, at the moment, a first stepping motor 312 is started to drive a threaded rod 315 to rotate, so that a slide rod 314 in threaded connection with the threaded rod 315 is driven to move from right to left in the mounting frame 313, and meanwhile, the electric push rod 316 drives the mounting frame 313 and the belt outside the press roller 317 to move from right to left to fig. 1 on the surface of the paper, so that the paper is flattened;
When the paper needs to be fixed so as to facilitate subsequent cutting, the second stepping motor 323 is started to drive the rotating disc 324 to rotate, at this time, the rotating disc 324 respectively drives the two driving sleeves 328 and the supporting rods 326 connected with the two driving sleeves 328 to slide in the fixed sleeve 322 through the two driving shafts 325, so that the supporting rods 326 drive the friction blocks 327 to support against the press roller 317, and further the press roller 317 is fixed, and at this time, the belt 318 sleeved on the outer side of the press roller 317 cannot move, and further the paper pressed at the bottom of the belt 318 can be fixed;
Finally, the pneumatic cylinder 41 can drive the cutting knife 43 to move downwards, so that the fixed paper can be cut by the cutting knife 43, and meanwhile, when the cutting knife 43 cuts the paper downwards, the cutter head of the cutting knife 43 can be contained by arranging the cutting groove 44 which is arranged on the cutting knife 43 and is matched with the cutting knife 43, so that the cutting knife 43 is prevented from being in direct contact with the supporting frame 42, and the damage of the cutting knife 43 can be avoided;
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.