Automatic paper cutting machine
Technical Field
The utility model relates to the technical field of paper cutters, in particular to an automatic paper cutter.
Background
In the paper manufacturing process, manufacturers often produce paper in a large reel shape in order to improve production efficiency and ensure quality standards of paper. These large reel sheets are then cut into wider sheets using a saw apparatus. Then, the wide paper sheets are further cut into the required size by a paper cutter according to the specific requirements of practical application.
The paper cutting machine is a mechanical device specially designed for accurately cutting books, paper and other similar materials, and can meet the requirements of orderly cutting and finishing multi-layer paper cutting at one time when a large number of stacked papers are processed, and is an indispensable link in the paper production process. Although the existing paper cutting machine has been automated in the cutting process, before each cutting operation, the paper to be cut still needs to be manually fed into the cutting system, and the manual feeding mode may not only result in insufficient accuracy of the cutting position, thereby affecting the standardized production of the paper, but also has relatively low production efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide the automatic paper cutter, which can accurately send the paper to the cutting position, thereby ensuring the accuracy of the cutting position and meeting the requirement of standardized production of the paper.
In order to solve the technical problems, the utility model provides an automatic paper cutter, which adopts the following technical scheme:
The utility model provides an automatic change paper cutter, including cutting assembly and frame, cutting assembly fixed mounting still includes feeding mechanism in the frame, feeding mechanism sets up in cutting assembly below, feeding mechanism includes conveyer, carries flitch and setting element, the last fixed a plurality of pushers that are provided with of conveyer, a plurality of pushers set up on same horizontal line, carry flitch fixed mounting in the frame, carry and be provided with a plurality of flutings on the flitch, pushers and fluting sliding fit, the setting element sets up in cutting assembly one side and rotates with carrying the flitch to be connected.
By adopting the structure, the continuous and stable feeding of paper is realized through the integrated feeding mechanism, particularly the conveying device provided with the pushing piece, and the cooperative work of the positioning piece is matched, so that the mechanical feeding mode is favorable for feeding the paper to be cut to a designated position compared with the traditional manual feeding, the cutting accuracy is ensured, the size of the cut paper meets the requirements, and the efficiency of paper cutting operation is improved. In addition, due to the fact that the slotting and the flexibility of the pushing piece and the positioning piece are designed on the material carrying plate, the automatic paper cutting machine can meet the cutting requirements of paper with various sizes and types, and good adaptability and flexibility are achieved.
Further, the cutting assembly comprises a cutting mechanism and a fixing mechanism, and the cutting mechanism and the fixing mechanism are fixed on the frame, so that the fixing mechanism is arranged on one side of the cutting mechanism. The stability of the cut object in the cutting process is ensured by the fixing mechanism, and the cutting error caused by the movement or shaking of the object is avoided, so that the cutting accuracy and the overall operation efficiency are improved. Simultaneously, cutting mechanism and fixed establishment are all fixed in the frame, and fixed establishment sets up in cutting mechanism one side, and this kind of compact overall arrangement design makes whole cutting assembly more clean and tidy orderly, is convenient for maintain and operation.
Preferably, the cutting mechanism comprises a supporting rod, a first cam, a second cam, two connecting rods, a cutter head and a driving motor, wherein the supporting rod is arranged on the frame, the supporting rod is connected with the driving motor, the driving motor can drive the supporting rod to rotate, the first cam and the second cam are respectively and fixedly arranged at two ends of the supporting rod, one ends of the two connecting rods are respectively and fixedly connected with flanges of the first cam and the second cam, the radius of the first cam is larger than that of the second cam, and the cutter head is fixedly connected with the other end of the connecting rod. The movable motor is directly connected with the support rod, so that the rotary power of the motor can be efficiently transmitted to the support rod, and the direct connection reduces energy loss and improves cutting efficiency. The first cams and the second cams with different radiuses can generate different displacement, so that the cutter head and paper have a certain inclination angle in the cutting process, the contact surface between the cutter head and the paper is smaller when the cutter is cut, the pressure of the contact surface is increased, the cutting is smooth, and burrs are not easy to generate on the edge of the cut paper.
Preferably, the fixing mechanism comprises a lifting assembly and a paper pressing plate, and the paper pressing plate can vertically move under the driving of the lifting assembly. Under the accurate control of the lifting component, the paper pressing plate can apply uniform and stable pressure, so that the fixed paper cannot be shifted or loosened due to external factors. Meanwhile, the design flexibility is high, and the paper machine can be suitable for paper materials with different thicknesses or sizes.
Preferably, the bottom of the paper pressing plate is provided with a plurality of bulges which are arranged at intervals along the paper pressing plate. The raised design increases the friction between the paper pressing plate and the fixed paper, so that the paper pressing plate can firmly fix the paper or the material when pressure is applied, and prevent the paper or the material from sliding or shifting.
Preferably, the cutting device further comprises two clamping devices, the two clamping devices are symmetrically arranged on two sides of the cutting assembly and located above the material carrying plate, each clamping device comprises a driving piece and a clamping block fixedly installed on the inner side of the driving piece, and the clamping blocks can horizontally move under the driving of the driving piece. The clamping device drives the clamping block to horizontally move through the driving piece, so that the material can be rapidly and accurately clamped and released, the accurate clamping of paper is realized, the material can be ensured to be stable in the cutting process, the cutting error caused by the movement or shaking of the material is avoided, and the cutting precision is improved.
Preferably, the automatic cutting device further comprises a blank pressing device, wherein the blank pressing device is arranged between the cutting assembly and the feeding mechanism and comprises two flexible plates and a fixing piece, the fixing piece is fixedly connected with the frame, and the two flexible plates are arranged on the fixing piece at intervals. Because the paper is lighter, the circumstances that the edge warp probably appears in the material loading in-process, and the setting of blank holder device is fixed the edge, prevents that the material from leading to cutting error because of removing or rocking in the cutting process. The flexible board can be made of light, thin and tough metal materials, so that a good edge pressing effect can be achieved, and damage to paper can be avoided.
Preferably, the cutter head is provided with a cutter falling groove which is arranged right below the cutter head and is fixed with the material carrying plate. In the cutting process, the cutter head directly acts in the cutter falling groove instead of directly impacting the surface of the material carrying plate, so that the abrasion of the cutter head is reduced, and the paper close to the material carrying plate cannot be subjected to burrs at the cutting edge due to the impact of the cutter head and the material carrying plate
In summary, the automatic paper cutter can accurately feed the paper to the cutting position, so that the accuracy of the cutting position is ensured, and the requirement of standardized production of the paper is met.
Drawings
The utility model is described in further detail below with reference to the drawings and detailed description.
FIG. 1 is a schematic diagram of the general assembly structure of the present utility model;
FIG. 2 is a schematic diagram of the feeding mechanism of the present utility model;
FIG. 3 is a schematic view of the cutting assembly of the present utility model;
FIG. 4 is an enlarged view at A in FIG. 1;
FIG. 5 is an enlarged view at B in FIG. 1;
The cutting mechanism comprises a cutting assembly-1, a cutting mechanism-11, a supporting rod-111, a first cam-112, a second cam-113, a connecting rod-114, a cutter head-115, a driving motor-116, a fixing mechanism-12, a lifting assembly-121, a paper pressing plate-122, a bulge-1221, a frame-2, a feeding mechanism-3, a conveying device-31, a material carrying plate-32, a slot-321, a positioning piece-33, a pushing piece-34, a clamping device-4, a driving piece-41, a clamping block-42, a blank pressing device-5, a flexible plate-51, a fixing piece-52 and a cutter dropping groove-6.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
The automatic paper cutter comprises a cutting assembly 1 and a frame 2, wherein the cutting assembly 1 is fixedly arranged on the frame 2, the automatic paper cutter is further provided with a feeding mechanism 3, the feeding mechanism 3 is arranged below the cutting assembly 1, the feeding mechanism 3 comprises a conveying device 31, a material carrying plate 32 and a positioning piece 33, the conveying device 31 is fixedly provided with a plurality of pushing pieces 34, the pushing pieces 34 are arranged on the same horizontal line, the material carrying plate 32 is fixedly arranged on the frame 2, the material carrying plate 32 is provided with a plurality of grooves 321, the pushing pieces 34 are in sliding fit with the grooves 321, and the positioning piece 33 is arranged on one side of the cutting assembly 1 and is in rotary connection with the material carrying plate 32.
By adopting the structure, the continuous and stable feeding of paper is realized through the integrated feeding mechanism 3, particularly the conveying device 31 provided with the pushing member, and the cooperation of the positioning member 33 is realized at the same time, and compared with the traditional manual feeding, the mechanical feeding mode is favorable for feeding the paper to be cut to a designated position, thereby ensuring the cutting accuracy, ensuring the size of the cut paper to meet the requirements, and improving the efficiency of paper cutting operation. In addition, due to the flexibility of the slot 321 and the pushing member and positioning member 33 designed on the loading plate 32, the automatic paper cutting machine can adapt to the cutting requirements of various sizes and types of paper, and has good adaptability and flexibility.
Further, as shown in fig. 3, the cutting assembly 1 includes a cutting mechanism 11 and a fixing mechanism 12, and the cutting mechanism 11 and the fixing mechanism 12 are both fixed on the frame 2, so that the fixing mechanism 12 is disposed on one side of the cutting mechanism 11. The presence of the fixing mechanism 12 ensures the stability of the cut object during the cutting process, and avoids cutting errors caused by movement or shaking of the object, thereby improving the accuracy of cutting and the overall working efficiency. Simultaneously, cutting mechanism 11 and fixed establishment 12 are all fixed on frame 2, and fixed establishment 12 sets up in cutting mechanism 11 one side, and this kind of compact overall arrangement design makes whole cutting assembly 1 more clean and tidy orderly, is convenient for maintain and operation.
Preferably, as shown in fig. 3, the cutting mechanism 11 includes a supporting rod 111, a first cam 112, a second cam 113, two connecting rods 114, a cutter head 115 and a driving motor 116, the supporting rod 111 is arranged on the frame 2, the supporting rod 111 is connected with the driving motor 116, the driving motor 116 can drive the supporting rod 111 to rotate, the first cam 112 and the second cam 113 are respectively and fixedly installed at two ends of the supporting rod 111, one ends of the two connecting rods 114 are respectively and fixedly connected with flanges of the first cam 112 and the second cam 113, the radius of the first cam 112 is larger than that of the second cam 113, and the cutter head 115 is fixedly connected with the other end of the connecting rod 114. The movable motor is directly connected with the support rod 111, so that the rotary power of the motor can be efficiently transmitted to the support rod 111, and the direct connection reduces energy loss and improves cutting efficiency. The first cam 112 and the second cam 113 with different radiuses can generate different displacement, so that the cutter head 115 and paper have a certain inclination angle in the cutting process, and the contact surface between the cutter head 115 and the paper is smaller when the cutter is cut, so that the pressure of the contact surface is increased, the cutting is smoother, and burrs are not easy to generate on the edge of the cut paper.
Preferably, as shown in fig. 3, the fixing mechanism 12 includes a lifting assembly 121 and a paper pressing plate 122, and the paper pressing plate 122 is vertically movable under the driving of the lifting assembly 121. The paper pressing plate 122 can apply uniform and stable pressure under the precise control of the lifting assembly 121, ensuring that the fixed paper is not shifted or loosened by external factors. Meanwhile, the design flexibility is high, and the paper machine can be suitable for paper materials with different thicknesses or sizes.
Preferably, as shown in fig. 3, the bottom of the paper pressing plate 122 is provided with a plurality of protrusions 1221, and the protrusions 1221 are arranged at intervals along the paper pressing plate 122. The design of the protrusions 1221 increases the friction between the platen 122 and the secured sheet, so that the platen 122 can more firmly secure the sheet or material against slipping or shifting when pressure is applied.
Preferably, as shown in fig. 1 and 2, the cutting device further comprises two clamping devices 4, the two clamping devices 4 are symmetrically arranged on two sides of the cutting assembly 1 and are located above the material carrying plate 32, the clamping devices 4 comprise a driving piece 41 and a clamping block 42 fixedly installed on the inner side of the driving piece 41, and the clamping block 42 can horizontally move under the driving of the driving piece 41. The clamping device 4 drives the clamping block 42 to horizontally move through the driving piece 41, so that materials can be rapidly and accurately clamped and released, and the accurate clamping of paper is realized, so that the materials can be ensured to be stable in the cutting process, the cutting error caused by the movement or shaking of the materials is avoided, and the cutting precision is improved.
Preferably, as shown in fig. 3, the device further comprises a blank holder 5, the blank holder 5 is arranged between the cutting assembly 1 and the feeding mechanism 3, the blank holder 5 comprises two flexible plates 51 and a fixing piece 52, the fixing piece 52 is fixedly connected with the frame 2, and the two flexible plates 51 are arranged on the fixing piece 52 at intervals. Because the paper is lighter, the circumstances that the edge warp probably appears in the material loading in-process, and the setting of blank holder 5 is fixed the edge, prevents that the material from leading to cutting error because of removing or rocking in the cutting process. The flexible board 51 can be made of a light and thin flexible metal material, so that a good edge pressing effect can be achieved, and no damage is caused to paper.
Preferably, as shown in fig. 2, the cutter-falling groove 6 is further included, and the cutter-falling groove 6 is disposed right below the cutter head 115 and fixed with the material-carrying plate 32. During the cutting process, the cutter head 115 directly acts in the cutter falling groove 6 instead of directly impacting the surface of the carrier plate 32, so that abrasion of the cutter head 115 is reduced, and the paper near the carrier plate 32 is not subject to burrs at the cutting edge due to impact of the cutter head 115 and the carrier plate 32.
In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.