CN212499434U

CN212499434U - Paper cutting device of printing machine

Info

Publication number: CN212499434U
Application number: CN202020472837.7U
Authority: CN
Inventors: 苏生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2021-02-09
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a paper cutting device of printing machinery, which comprises a bearing plate, wherein a plurality of supporting legs are uniformly distributed at the bottom of the bearing plate, supporting plates are vertically arranged at two sides of the top of the bearing plate, a connecting plate is welded between the two supporting plates, two hydraulic rods are connected to the bottom of the connecting plate in a flange manner, a knife rest structure for cutting paper is connected to the bottom of the two hydraulic rods in a flange manner, a groove is arranged at the bottom of the bearing plate, the opening part of the groove corresponds to the knife rest structure, a movable plate is matched in the groove, fixing rods are arranged at two sides of the bottom of the movable plate, a spring is sleeved on each fixing rod, the bottom of the spring acts at the bottom of the groove, two abdicating holes which are matched with the fixing rods to move downwards are arranged at the bottom of the groove, the utility model discloses a cutter point of a cutter cuts into the groove, the problem that paper is not thoroughly cut is effectively solved, and the paper cutting device is simple in structure and suitable for popularization.

Description

Paper cutting device of printing machine

Technical Field

The utility model relates to a printing machine paper cutting device.

Background

Printing machines are a general term for machines such as printing machines, bookbinding machines, plate-making machines, and other auxiliary machines, which have different properties and uses, and therefore, the mechanical forms of their components are not completely the same.

In the printing, the paper cutter has obtained extensive use, current paper cutter is when cutting the pile of paper, can not cut off the paper of pile bottom completely, the situation of intermittent connection appears in the paper that makes pile bottom, thereby lead to the relatively poor problem of cut paper effect to appear in the paper cutter, need follow the cutter of trading when needing to cut off the not unidimensional pile of paper, the process is comparatively complicated when following the cutter of trading among the prior art, greatly reduced the practicality of paper cutter, the work efficiency of paper cutter has been reduced.

The problem is solved by providing a paper cutting device of a printing machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a printing machine paper cutting device is provided.

The utility model discloses a realize through following technical scheme:

a printing machine paper cutting device which characterized in that: the paper cutting device comprises a bearing plate, wherein a plurality of supporting legs are uniformly distributed at the bottom of the bearing plate, supporting plates are vertically arranged on two sides of the top of the bearing plate, a connecting plate is welded between the two supporting plates, two hydraulic rods are connected to the bottom of the connecting plate in a flange manner, a knife rest structure for cutting paper is connected to the bottom of the two hydraulic rods in a flange manner, a groove is formed in the bottom of the bearing plate, the opening of the groove corresponds to the knife rest structure, a movable plate is matched in the groove, fixing rods are arranged on two sides of the bottom of the movable plate, a spring is sleeved on each fixing rod, the bottom of the spring acts on the bottom of the groove, two abdicating holes matched with the fixing rods to move downwards are formed in the bottom of the groove, and limiting strips are arranged at the top positions of the inner walls on the, and the top of the movable plate is provided with a matching groove matched with the limiting strip.

Preferably, the tool rest structure comprises a placing seat, a placing groove is transversely arranged at the bottom of the front end face of the placing seat, a plurality of positioning rods are vertically arranged on the front end face of the placing groove, a cutter for cutting paper is matched on the plurality of positioning rods, a baffle is arranged on the front end face of the cutter, a threaded portion is machined at one end, away from the placing groove, of each positioning rod, and a nut is matched at the threaded portion.

Preferably, a rubber sheet is fixed at one end of the baffle close to the cutter by gluing.

Preferably, a stopper washer is provided at a position where each of the positioning rods is located between the baffle and the nut.

Preferably, two fixed plates are arranged on the inner sides of the supporting plates in an up-and-down parallel mode, a movable rod penetrates through the two fixed plates and is located between the two fixed plates, a first spring is sleeved between the two fixed plates, a limiting ring is arranged on the outer wall of the two fixed plates, one end of the first spring acts on the bottom of the limiting ring, and the other end of the first spring acts on the fixed plate at the lower end.

Preferably, the bottom of the movable rod is provided with a rubber pad.

Preferably, positioning plates are arranged on two sides of the placing seat, and positioning blocks are arranged at the bottoms of the positioning plates.

Preferably, a non-slip washer is provided at the bottom of each of the support legs.

The utility model has the advantages that: compared with a traditional paper cutting device, the paper cutting device has the advantages that the cutter point of the cutter can enter the groove in the bearing plate, the paper stack is guaranteed to be completely cut off, the cutter point part of the cutter is in contact with the bearing plate, the sharpness of the cutter point is effectively guaranteed, and the paper cutting device is simple in structure, convenient to operate and suitable for popularization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the tool holder configuration of the present invention;

FIG. 3 is a cross-sectional view of the groove of the present invention;

fig. 4 is an enlarged view of the present invention from a.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, 2, 3 and 4, the paper cutting device for the printing machine comprises a supporting plate 1, wherein a plurality of supporting legs 101 are uniformly distributed at the bottom of the supporting plate 1, supporting plates 102 are vertically arranged at two sides of the top of the supporting plate 1, a connecting plate 103 is welded between the two supporting plates 102, two hydraulic rods 104 are flanged to the bottom of the connecting plate 103, a cutter frame structure 2 for cutting paper is flanged to the bottom of the two hydraulic rods 104, a groove 105 is arranged at the bottom of the supporting plate 1, the opening of the groove 105 corresponds to the cutter frame structure 2, the cutter point part of the cutter frame structure 2 can contact the inside of the groove 105 to ensure that the paper stack is completely cut off, a movable plate 106 is matched in the groove 105, fixing rods 107 are arranged at two sides of the bottom of the movable plate 106, and a spring 108 is sleeved on each fixing rod 107, the bottom of spring 108 is used in the bottom of recess 105 is provided with two cooperations the hole 109 of stepping down of dead lever 107 the inner wall top position department of both sides is provided with spacing 110 around the recess 105 the top of fly leaf 106 is provided with the cooperation spacing groove 111 of 110.

The utility model discloses in the embodiment of a preferred, knife rest structure 2 includes one and places seat 201 place the bottom of the preceding terminal surface of seat 201 and transversely be provided with a standing groove 202 the preceding terminal surface of standing groove 202 is provided with a plurality of locating levers 203 perpendicularly, and is a plurality of the cooperation has a cutter 204 that cut paper was used on the locating lever 203 the preceding terminal surface of cutter 204 is provided with baffle 205, at every the locating lever is kept away from that one end processing of standing groove 202 has threaded part 206 department cooperation has nut 207.

In a preferred embodiment of the present invention, a rubber sheet 208 is glued and fixed to the end of the baffle 205 close to the cutter 204.

In a preferred embodiment of the present invention, a stop washer 209 is disposed at a position between the stop plate 205 and the nut 207 of each positioning rod 203.

The utility model discloses in the embodiment of a preferred, two the inboard of backup pad 102 all is provided with two fixed plates 3, two fixed plate 3 is one-on-one parallel arrangement, two run through between the fixed plate 3 has a movable rod 301 is located two the cover is equipped with first spring 302 between the fixed plate 3 movable rod 301 is located two outer wall between the fixed plate 3 is provided with a spacing ring 303, the one end of first spring 302 is used in the bottom of spacing ring 303, the other end is used in the lower extreme on the fixed plate 3.

In a preferred embodiment of the present invention, a rubber pad 304 is disposed at the bottom of the movable rod 301.

The utility model discloses in the embodiment of a preferred place the both sides of seat 201 and be provided with locating plate 4 the bottom of locating plate 4 is provided with locating piece 401, locating piece 401 corresponds movable rod 301 top.

In a preferred embodiment of the present invention, an anti-slip washer 112 is disposed at the bottom of each of the support legs 101.

The working principle of the utility model is as follows; during operation, the cutter that is fit for the paper pile size is being selected, the hydraulic stem promotes knife rest structure downstream, knife rest structure's the locating plate motion of driving both sides, when the locating plate downstream, locating piece contact movable rod top, the movable rod downstream, movable rod bottom and fly leaf contact, the fly leaf is pushed down this moment, in the knife tip entering recess of cutter, and contactless fly leaf, the effectual sharpness that keeps the knife tip, when knife rest structure upward movement, the fly leaf passes through the effect upward movement of spring, and cooperate with spacing.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A printing machine paper cutting device which characterized in that: the paper cutting device comprises a bearing plate, wherein a plurality of supporting legs are uniformly distributed at the bottom of the bearing plate, supporting plates are vertically arranged on two sides of the top of the bearing plate, a connecting plate is welded between the two supporting plates, two hydraulic rods are connected to the bottom of the connecting plate in a flange manner, a knife rest structure for cutting paper is connected to the bottom of the two hydraulic rods in a flange manner, a groove is formed in the bottom of the bearing plate, the opening of the groove corresponds to the knife rest structure, a movable plate is matched in the groove, fixing rods are arranged on two sides of the bottom of the movable plate, a spring is sleeved on each fixing rod, the bottom of the spring acts on the bottom of the groove, two abdicating holes matched with the fixing rods to move downwards are formed in the bottom of the groove, and limiting strips are arranged at the top positions of the inner walls on the, and the top of the movable plate is provided with a matching groove matched with the limiting strip.

2. The printing machine cutting device of claim 1, wherein: the cutter frame structure comprises a placing seat, a placing groove is transversely arranged at the bottom of the front end face of the placing seat, a plurality of positioning rods are vertically arranged on the front end face of the placing groove, a cutter for cutting paper is matched on the positioning rods, a baffle is arranged on the front end face of the cutter, a threaded part is machined at one end, away from the placing groove, of each positioning rod, and a nut is matched at the threaded part.

3. The printing machine cutting device of claim 2, wherein: and a rubber sheet is glued and fixed at one end of the baffle close to the cutter.

4. The printing machine cutting device of claim 2, wherein: a stop washer is provided at a position between the baffle and the nut at each of the positioning rods.

5. The printing machine cutting device of claim 1, wherein: the inner sides of the two supporting plates are provided with two fixing plates which are arranged in parallel one on top of the other, a movable rod penetrates through the two fixing plates and is located in two, a first spring is sleeved between the two fixing plates, the movable rod is located in two, a limiting ring is arranged on the outer wall between the two fixing plates, one end of the first spring acts on the bottom of the limiting ring, and the other end of the first spring acts on the lower end of the fixing plate.

6. The printing machine cutting device of claim 5, wherein: the bottom of the movable rod is provided with a rubber pad.

7. The printing machine cutting device of claim 2, wherein: positioning plates are arranged on two sides of the placing seat, and positioning blocks are arranged at the bottoms of the positioning plates.

8. The printing machine cutting device of claim 1, wherein: and the bottom of each supporting leg is provided with an anti-skid gasket.