CN219599719U

CN219599719U - Novel paper cutter

Info

Publication number: CN219599719U
Application number: CN202320797002.2U
Authority: CN
Inventors: 唐振; 唐春凡
Original assignee: HUNAN WUQIANGXI SPECIAL PAPER CO Ltd
Current assignee: HUNAN WUQIANGXI SPECIAL PAPER CO Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-29
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the technical field of paper industry production, and particularly discloses a novel paper cutter which comprises a lifting mechanism, a horizontal conveying mechanism, a paper cutter mechanism and a blanking mechanism which are sequentially connected from front to back along a conveying direction; the paper cutting mechanism comprises a cutting platform, lifting cutting knives and trimming cutting assemblies, wherein the trimming cutting assemblies are two groups and are respectively positioned at two outer sides of the cutting platform, and the lifting cutting knives transversely span the cutting platform; the blanking mechanism is positioned behind the conveying of the cutting platform. According to the utility model, feeding to the cutting platform is realized through the lifting mechanism, the horizontal conveying mechanism and the like, and automatic receiving and conveying to the next process of the cut stacked paper are realized through the blanking mechanism, so that the working efficiency is greatly improved, and the labor intensity is reduced.

Description

Novel paper cutter

Technical Field

The utility model relates to the technical field of paper industry production, in particular to a novel paper cutter.

Background

In the prior art, a plurality of stacked papers to be cut are generally moved to a cutting table by manpower, are cut after being adjusted and aligned on four sides by manpower, and are still required to be taken off from the cutting table by manpower after the cutting is completed. The mode has high labor intensity and low working efficiency, and the cutting operation is completed and then the cutting operation is manually transferred to the next working procedure.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a novel paper cutter with reasonable structural design and good use effect.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the novel paper cutter is characterized by comprising a lifting mechanism, a horizontal conveying mechanism, a paper cutter mechanism and a blanking mechanism which are sequentially connected from front to back along the conveying direction; the paper cutting mechanism comprises a cutting platform, lifting cutting knives and trimming cutting assemblies, wherein the trimming cutting assemblies are two groups and are respectively positioned at two outer sides of the cutting platform, and the lifting cutting knives transversely span the cutting platform; the blanking mechanism is located the transport rear of cutting platform, and the blanking mechanism includes receiving box, elevating platform, conveyer belt, and receiving box is full open in the side that is close to cutting platform, and receiving box supports on elevating platform or conveyer belt, and the elevating platform holds up and carries out the unloading when receiving box to rise to the parallel and level state with cutting platform, and elevating platform holds up and receives the receiving box to descend to the conveyer belt on making receiving box bear on the conveyer belt and realize conveying by the conveyer belt.

Preferably, the trimming cutting assembly comprises a portal frame, a multistage telescopic cylinder, a multistage lifting cylinder, trimming cutting knives and a waste collecting box, wherein the portal frame is fixedly connected to the corresponding side of the cutting platform, two multistage telescopic cylinders are fixedly connected to the portal frame, the piston rod of each multistage telescopic cylinder horizontally extends towards the inner side of the cutting platform and is fixedly connected with the same cross beam at the free end of the minimum piston rod of the two multistage telescopic cylinders, two multistage lifting cylinders are fixedly connected to the cross beam, the piston rod of each multistage lifting cylinder vertically extends downwards and is fixedly connected with the same trimming cutting knives at the free end parts of the piston rods of the two multistage lifting cylinders, and the waste collecting box is fixedly connected to the inside of the portal frame. The edges of the multiple pieces of overlapped paper to be cut in the width direction are cut in a trimming cutting knife, and under the action of the multi-stage telescopic cylinder and the multi-stage lifting cylinder, the cut waste is pushed into the corresponding waste collecting box, so that the scattered waste is prevented from influencing the neatness of the operation environment.

Preferably, the lifting type cutting knife is fixed on another portal frame, the portal frame spans and is fixed above the cutting platform, two groups of secondary lifting cylinders are fixedly connected to the bottom of the transverse portion, each group of secondary lifting cylinders consists of two secondary lifting cylinders, the piston rod end of one group of secondary lifting cylinders is fixedly connected with the same cutting knife, and the piston rod end of the other group of secondary lifting cylinders is fixedly connected with the same pressing plate. The cutter cuts in the paper feeding direction in a conventional manner, and the pressing plate is used for pressing stacked paper sheets when cutting.

Preferably, the lifting rack comprises two portal frames, two groups of lifting cylinders, two groups of telescopic cylinders and four fork blocks, wherein the two portal frames are spanned above two conveying belts, a group of lifting cylinders is fixedly connected to the bottom of the horizontal part of each portal frame, each group of lifting cylinders consists of more than two lifting cylinders, a telescopic cylinder is fixedly connected to the bottom of a piston rod of each lifting cylinder, more than two telescopic cylinders in each group of lifting cylinders form a group of telescopic cylinders, the piston rods of the two groups of telescopic cylinders horizontally extend in the direction of being close to each other, the free end of the piston rod of each telescopic cylinder is fixedly connected with one fork block, and the two groups of lifting cylinders, the two groups of telescopic cylinders and the four fork blocks are all positioned between the two conveying belts.

Compared with the prior art, the utility model has the following beneficial effects:

feeding to the cutting platform is realized through a lifting mechanism, a horizontal conveying mechanism and the like, automatic material receiving and conveying to the next process are realized through a blanking mechanism, the working efficiency is greatly improved, the labor intensity is reduced, the cut stacked paper can be limited through the arrangement of a material receiving box, and the working intensity of trimming and straightening of the next process is reduced; through the arrangement of the trimming cutting assembly, a small amount of edge cutting can be carried out on the stacked paper to be cut, so that the edges of the paper are tidied, and the trimming cutting assembly is very suitable for cutting stacked paper with heavy gram weight and relatively long length, because the stacked paper cannot be manually subjected to peripheral trimming operation.

Drawings

FIG. 1 is a schematic top view of the structure of the present utility model;

FIG. 2 is a schematic side view of the paper cutting mechanism of the present utility model;

FIG. 3 is a schematic view illustrating the installation of the lifting type cutter according to the present utility model;

FIG. 4 is a schematic view of the positional relationship among the lifting frame, the conveyor belt, the cutting platform, etc. according to the present utility model;

the device comprises a lifting mechanism, 2, a horizontal conveying mechanism, 3, a paper cutting mechanism, 3.1, a cutting platform, 3.2, a lifting cutting knife, 3.21, a cutting knife, 3.3, a trimming cutting assembly, 3.31, a second portal frame, 3.32, a first multi-stage telescopic cylinder, 3.33, a first multi-stage lifting cylinder, 3.34, a trimming cutting knife, 3.35, a waste collecting box, 3.4, a first portal frame, 3.5, a second lifting cylinder, 3.6, a pressing plate, 4, a blanking mechanism, 4.1, a receiving box, 4.11, a bearing part, 4.12, a vertical baffle, 4.2, a lifting rack, 4.21, a third portal frame, 4.22, a second multi-stage lifting cylinder, 4.23, a second multi-stage telescopic cylinder, 4.24, a fork block, 4.3 and a conveying belt.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Herein, terms concerning the connection relationship, such as "fixedly attached", "attached" are all carried out in a conventional manner, such as specifically bolting or welding, etc.

As shown in figures 1-4, the novel paper cutter comprises a lifting mechanism 1, a horizontal conveying mechanism 2, a paper cutting mechanism 3 and a blanking mechanism 4 which are sequentially connected from front to back along the conveying direction.

The lifting mechanism 1 is a belt conveyor obliquely arranged in the prior art, and the lifting mechanism 1 is supported on the ground at the low end and is leveled with the horizontal conveying mechanism 2 at the high end in a conventional manner; the horizontal conveying mechanism 2 is a belt conveyor horizontally arranged in the prior art, the lifting mechanism 1 and the horizontal conveying mechanism 2 are tightly connected under the condition of not influencing respective actions, and vertical baffles are fixedly connected to two sides of the lifting mechanism 1 and the horizontal conveying mechanism 2 in the width direction. In addition, the surface of the belt of the lifting mechanism 1 can be provided with barrier strips, the distance between two adjacent barrier strips is larger than the length of paper to be cut, and the barrier strips can prevent the paper from slipping when the paper is conveyed obliquely upwards.

The paper cutting mechanism 3 comprises a cutting platform 3.1, lifting cutting knives 3.2 and trimming cutting components 3.3, wherein the cutting platform 3.1 can be a stainless steel platform and is flush with the belt surface of the horizontal conveying mechanism 2, a first portal frame 3.4 is fixed at the top of the feeding end of the cutting platform 3.1, the bottoms of the first portal frame 3.4 are fixed on two sides of the width direction of the cutting platform 3.1, two groups of two secondary lifting air cylinders 3.5 are fixedly connected on the first portal frame 3.4 from front to back along the conveying direction, each group of two secondary lifting air cylinders 3.5 is formed by two secondary lifting air cylinders, piston rod free ends in the group of two secondary lifting air cylinders 3.5 positioned on the front side are fixedly connected with the same cutting knives 3.21, the cutters 3.21 and the corresponding group of two secondary lifting air cylinders 3.5 form lifting cutting knives 3.2, the fixed connection of the group of two secondary lifting air cylinders 3.5 positioned on the rear side is identical to a pressing plate 3.6, and the piston rods of the two secondary lifting air cylinders 3.21 are fixedly connected with the pressing plate 3.6 in the length direction (the pressing plate is used for pressing paper cutting in the conventional paper cutting direction) when the pressing plate 3 is stacked in the length direction.

The trimming cutting assemblies 3.3 are provided with two groups and are respectively positioned at two outer sides of the width direction of the cutting platform 3.1. The trimming cutting assembly 3.3 comprises a second portal frame 3.31, a first multistage telescopic cylinder 3.32, a first multistage lifting cylinder 3.33, trimming cutting knives 3.34 and a waste collection box 3.35, wherein the second portal frame 3.31 is fixedly connected to the corresponding outer side of the cutting platform 3.1, two first multistage telescopic cylinders 3.32 are fixedly connected to each second portal frame 3.31, a piston rod of each first multistage telescopic cylinder 3.32 horizontally extends towards the inner side of the cutting platform 3.1 and is fixedly connected with the same cross beam at the free end of the smallest piston rod of the corresponding two first multistage telescopic cylinders 3.32, two first multistage lifting cylinders 3.33 are fixedly connected to each cross beam, the piston rod of each first multistage lifting cylinder 3.33 vertically extends downwards and is fixedly connected with the same trimming cutting knives 3.34 at the free end of the piston rod of each corresponding two first multistage lifting cylinders 3.33, and waste collection boxes are fixedly connected to each second portal frame 3.31 in the two outer sides of the cutting platform 3.1. Trimming cutting knife 3.34 cuts the edges of the width direction of the plurality of pieces of overlapped paper to be cut, and under the action of first multistage telescopic cylinder 3.32 and first multistage lifting cylinder 3.33, the cut waste is pushed into corresponding waste collection box 3.35, so that the scattered on the ground is prevented from affecting the neatness of the operation environment.

A discharging mechanism 4 is arranged behind the conveying of the cutting platform 3.1, and the discharging mechanism 4 comprises a receiving box 4.1, a lifting platform 4.2 and a conveying belt 4.3. The receiving box 4.1 is mainly formed by enclosing a bearing part 4.11 at the bottom and three vertical baffles 4.12, wherein the three vertical baffles 4.12 are respectively and fixedly connected to three sides (front and back in the conveying direction, left side, front side and back side in fig. 1) at the left side, right side and front side of the bearing part 4.11, the bearing part 4.11 can be a flat plate with a smooth upper surface or a belt conveyor with a smooth surface in the prior art, and when the bearing part 4.11 is a belt conveyor, a frame, a belt roller and the like are made into hollow so as to reduce the weight of the bearing part 4.11. The two parallel conveyor belts 4.3 are arranged in a way that the conveying direction of the conveyor belts 4.3 is orthogonal to the conveying direction of the horizontal conveying mechanism 2, the two conveyor belts 4.3 are fixed in a conventional way, the distance between the two conveyor belts 4.3 is smaller than the vertical distance between the front side and the rear side of the receiving box 4.1 (the direction is determined by the front side and the rear side of the conveying direction), and the conveyor belts 4.3 are positioned below one side of the cutting platform 3.1 and have lower height from the ground. The lifting rack 4.2 comprises two third portal frames 4.21, two groups of second multistage lifting cylinders 4.22, two groups of second multistage telescopic cylinders 4.23 and four fork blocks 4.24, wherein the two third portal frames 4.21 are spanned above the width direction of the two conveying belts 4.3, a group of second multistage lifting cylinders 4.22 are fixedly connected to the bottom of the horizontal part of each third portal frame 4.21, each group of second multistage lifting cylinders 4.22 is composed of more than two second multistage lifting cylinders 4.22, a second multistage telescopic cylinder 4.23 is fixedly connected to the bottom of a piston rod of each second multistage lifting cylinder 4.22, the piston rods of the two groups of second multistage telescopic cylinders 4.23 are horizontally stretched towards the direction close to each other, the piston rod free ends of the second multistage telescopic cylinders are connected with the fork blocks 4.24, and the two groups of second multistage lifting cylinders 4.23 are positioned between the two groups of second multistage lifting cylinders 4.22 and the two fork blocks 4.24.

In operation, the stacked paper to be cut is placed on the lower end of the lifting mechanism 1, and is conveyed to the cutting platform 3.1 under the action of the lifting mechanism 1 and the horizontal conveying mechanism 2, and in practice, whether to cut off the front end of the stacked paper is determined according to whether the front ends of the stacked paper are aligned, whether burrs exist or not, and the like (the front end cutting is realized by the lifting type cutting knife). During normal slitting, the lifting type cutting knife cuts the stacked paper in the length direction, in the cutting process, the pressing plate 6 presses down the stacked paper, and meanwhile, the trimming cutting knife cuts the two side edges of the stacked paper in the width direction, and after trimming cutting is completed, the cut waste is pushed into the waste collection box 3.35 under the action of the corresponding telescopic cylinder. In the paper cutting process, the blanking mechanism is in a preparation state, namely, the receiving box is conveyed between two groups of fork blocks 4.24 of the lifting rack 4.2 by a conveyor belt in advance, the fork blocks 4.24 extend into the bottom of the receiving box 4.1 under the action of a second multistage telescopic cylinder 4.23, the supporting work of the receiving box 4.1 is completed, and then the receiving box 4.1 is lifted to a state that the inner bottom of the receiving box is flush with the surface of the cutting platform 3.1 under the action of two groups of second multistage lifting cylinders (synchronous action). The cut stacked paper enters the receiving box 4.1 under the pushing of the subsequent stacked paper or in other conventional modes, and the lifting rack 4.2 supports the receiving box 4.1 to descend onto the two conveying belts 4.3, so that the receiving box 4.1 is borne on the conveying belts 4.1 and the conveying of the next process is realized by the conveying belts 4.1.

Claims

1. The novel paper cutter is characterized by comprising a lifting mechanism, a horizontal conveying mechanism, a paper cutter mechanism and a blanking mechanism which are sequentially connected from front to back along the conveying direction; the paper cutting mechanism comprises a cutting platform, lifting cutting knives and trimming cutting assemblies, wherein the trimming cutting assemblies are two groups and are respectively positioned at two outer sides of the cutting platform, and the lifting cutting knives transversely span the cutting platform; the blanking mechanism is located the transport rear of cutting platform, and the blanking mechanism includes receiving box, elevating platform, conveyer belt, and receiving box is full open in the side that is close to cutting platform, and receiving box supports on elevating platform or conveyer belt, and the elevating platform holds up and carries out the unloading when receiving box to rise to the parallel and level state with cutting platform, and elevating platform holds up and receives the receiving box to descend to the conveyer belt on making receiving box bear on the conveyer belt and realize conveying by the conveyer belt.

2. The novel paper cutter according to claim 1, wherein the trimming cutting assembly comprises a portal frame, a plurality of telescopic cylinders, a plurality of lifting cylinders, trimming cutting knives and a waste collecting box, wherein the portal frame is fixedly connected to the corresponding side of the cutting platform, two multi-stage telescopic cylinders are fixedly connected to the portal frame, a piston rod of each multi-stage telescopic cylinder horizontally extends towards the inner side of the cutting platform and is fixedly connected to the same cross beam at the free end of the smallest piston rod of the two multi-stage telescopic cylinders, two multi-stage lifting cylinders are fixedly connected to the cross beam, and a piston rod of each multi-stage lifting cylinder vertically extends downwards and is fixedly connected to the same trimming cutting knives at the free end parts of the piston rods of the two multi-stage lifting cylinders, and the waste collecting box is fixedly connected to the inside of the portal frame.

3. A novel paper cutter according to claim 1 or 2, wherein the lifting cutting knife is fixed on another portal frame which spans over the cutting platform and is fixed above the cutting platform, two sets of secondary lifting cylinders are fixedly connected to the bottom of the transverse portion of the portal frame, each set of secondary lifting cylinders is composed of two secondary lifting cylinders, the piston rod end of one set of secondary lifting cylinders is fixedly connected with the same cutting knife, and the piston rod end of the other set of secondary lifting cylinders is fixedly connected with the same pressing plate.

4. The novel paper cutter according to claim 3, wherein the lifting rack comprises two portal frames, two groups of lifting cylinders, two groups of telescopic cylinders and four fork blocks, wherein the two portal frames are spanned above the two conveying belts, a group of lifting cylinders is fixedly connected to the bottom of the horizontal part of each portal frame, each group of lifting cylinders consists of more than two lifting cylinders and is fixedly connected with a telescopic cylinder at the bottom of a piston rod of each lifting cylinder, the more than two telescopic cylinders in each group of lifting cylinders form a group of telescopic cylinders, the piston rods of the two groups of telescopic cylinders horizontally extend in the direction of being mutually closed, a fork block is fixedly connected to the free end of the piston rod of each telescopic cylinder, and the two groups of lifting cylinders, the two groups of telescopic cylinders and the four fork blocks are all positioned between the two conveying belts.