CN213445308U

CN213445308U - Non-stop paper tape replacing and discharging mechanism of printing machine

Info

Publication number: CN213445308U
Application number: CN202022519516.0U
Authority: CN
Inventors: 袁千峰
Original assignee: Dongguan Xiangzhentong Printing Machinery Co ltd
Current assignee: Dongguan Xiangzhentong Printing Machinery Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-06-15
Anticipated expiration: 2030-11-04

Abstract

The utility model provides a non-stop paper tape replacing and discharging mechanism of a printing machine, which comprises a wallboard, two groups of discharging rollers arranged on the wallboard, a bidirectional paper receiving device, a cutting device, a paper pasting device and a storage tension device; the bidirectional paper receiving device comprises two groups of paper tape fixing assemblies which are arranged at an included angle and hinged on the wall board, and a paper receiving driving assembly for driving the paper tape fixing assemblies to rotate, wherein each paper tape fixing assembly comprises a bearing plate, a pressing roller and a press belt driving assembly for driving the pressing roller to abut against the bearing plate; the paper pasting device comprises a first compression roller and a second compression roller which are parallel to each other, and a compression roller driving assembly for driving the first compression roller and the second compression roller to abut against each other, a gear transmission assembly for driving the first compression roller and the second compression roller to rotate relatively is further arranged between the first compression roller and the second compression roller, and a negative pressure adsorption hole is formed in the surface of one compression roller. The two sets of discharging rollers and the two sets of paper tape fixing assemblies are arranged, when one set of paper tape is used up, the paper tape fixing assemblies are cut off by the cutting device and rotate around the shaft, the other set of paper tape is butted, the whole process does not need to be stopped, and the printing production efficiency is improved.

Description

Non-stop paper tape replacing and discharging mechanism of printing machine

Technical Field

The utility model relates to a lithography apparatus technical field specifically indicates a not shut down of printing machine trades paper tape drop feed mechanism.

Background

In lithography apparatus, for example runner type label printing machine needs set up drop feed mechanism before printing mechanism, sets up receiving agencies behind printing mechanism, and traditional drop feed mechanism only includes blowing roller and tension adjustment mechanism usually, rolls up the back at the paper tape material, need shut down and connect the material, debugs production again, and this process has not only reduced production efficiency, extravagant paper tape material moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a need not to shut down and can accomplish the printing machine drop feed mechanism who trades the paper tape automatically.

In order to achieve the above object, the utility model adopts the following technical scheme:

a non-stop paper tape replacing and discharging mechanism of a printing machine comprises a wallboard, two groups of discharging rollers arranged on the wallboard, a bidirectional paper receiving device used for receiving a material tape, a cutting device used for cutting the paper tape, a paper pasting device used for adhering the paper tape and a storage tension device used for caching the paper tape; the bidirectional paper receiving device comprises two groups of paper tape fixing assemblies which are arranged at an included angle and hinged to the wall board, and a paper receiving driving assembly which drives the paper tape fixing assemblies to rotate around a hinged point so as to enable the paper tape fixing assemblies to be in butt joint with the cutting device, wherein each paper tape fixing assembly comprises a bearing plate, a pressing roller which is arranged in parallel to the bearing plate, and a belt pressing driving assembly which drives the pressing roller to abut against the bearing plate; the cutting device comprises a cutting knife and a cutting knife driving assembly for driving the cutting knife to cut transversely; the sticker device includes locate parallelly first compression roller and the second compression roller at cutting device rear, and the drive first compression roller supports and props up the compression roller drive assembly of second compression roller, first compression roller reaches still be equipped with its relative pivoted gear drive subassembly of drive between the second compression roller, just first compression roller and/or negative pressure adsorption hole has evenly been laid on the surface of second compression roller.

The beneficial effect of above-mentioned scheme lies in: the paper tape splicing device is characterized in that two sets of discharging rollers are arranged and correspond to two sets of paper tape fixing assemblies of the bidirectional paper tape splicing device respectively, when one set of paper tape is used up, the paper tape is cut off through the cutting device, meanwhile, the paper tape fixing assemblies are driven to rotate around a shaft by the paper tape splicing driving assembly, the other set of paper tape is enabled to complete butt joint, in the butt joint and sticking process, the paper tape on the storage tension device is gradually released, and after the butt joint is completed, the storage tension device is gradually reset, the whole process is not required to be stopped.

According to a preferable scheme, the bidirectional paper receiving device further comprises two groups of V-shaped supports which are arranged in parallel, two ends of the bearing plate are clamped and fixed between the two groups of supports, and the two groups of bearing plates are respectively fixed on two arms of the supports; and a gap for passing a paper tape is formed between the two groups of supporting plates, and the paper tape fixing component is hinged on the wall plate through a hinge shaft penetrating through the middle points of the two groups of supports. Further, the press belt driving assembly comprises an air cylinder vertically fixed on the bearing plate, an installation rod driven by the air cylinder to lift, and a guide rod connected to two ends of the installation rod and slidably arranged on the bearing plate in a penetrating manner, and the pressing roller is arranged on the other side of the bearing plate, and two ends of the pressing roller are hinged to the guide rod. Further, the paper receiving driving assembly comprises a linear air cylinder, the driving end of the linear air cylinder is hinged to the support, and the other end of the linear air cylinder is hinged to the wallboard.

In the scheme, when one group of paper tapes penetrate through the paper tape fixing assembly to normally work, the paper tape of the other discharge roller can be clamped and fixed between the other group of pressing rollers and the bearing plate in advance, after the upper group of paper tapes are used up, the paper receiving driving assembly automatically drives the support to rotate, and after the butt joint is completed, the pressing rollers are loosened and can be automatically jointed; only the paper tape is fixed in the working gap, so that the labor is saved; the paper tape passes through the gap between the two groups of bearing plates and is supported by the bearing plates, so that the two groups of paper tapes can be ensured to keep the same angle and flatness when in butt joint, and the tension force before and after paper changing is ensured to be consistent.

The paper pasting device further comprises two groups of side plates which are arranged in parallel, a top plate fixed to the top ends of the side plates is erected at two ends of the paper pasting device, the second pressing roller is hinged between the two groups of side plates, two ends of the first pressing roller are hinged to a sliding block respectively, sliding grooves in sliding fit with the sliding blocks are formed in the side plates, and a pressing roller driving assembly is installed on the top plate and used for driving the sliding blocks to move along the sliding grooves.

The spout is used for the direction of first compression roller with the slider cooperation in this scheme, can guarantee the axiality of first compression roller and second compression roller, avoids the paper tape skew.

According to a preferable scheme, the storage tension device comprises two groups of parallel material roller assemblies and a tension driving assembly for driving the two groups of material roller assemblies to close or separate; the material roller assembly comprises a mounting strip parallel to the wallboard, a hinged shaft for hinging one end of the mounting strip to the wallboard, and a plurality of rollers parallel to the hinged shaft and hinged at one end to the mounting strip; articulated shafts of the two groups of material roller assemblies are respectively arranged at two opposite ends of the mounting strip. Furthermore, the tension driving assembly is arranged on the other side of the wallboard and comprises a rotating block, the middle of the rotating block is fixed with the hinge shaft, the first ends of the two groups of rotating blocks are connected through a hinged connecting rod, the second end of one rotating block is hinged with a linear air cylinder, the other end of the linear air cylinder is hinged on the wallboard, the second end of the other rotating block is hinged with a linear damper, and the second end of the linear damper is hinged on the wallboard.

In the scheme, two groups of multi-roller structures which are arranged oppositely have longer storable paper tapes, so that the operation of replacing the paper tapes is convenient; the two groups of material roller assemblies are driven by the air cylinder, are linked through the connecting rod and are provided with linear damping, so that the speed of material storage and material discharge can be accurately controlled, and the printing precision in the paper tape changing process is ensured.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of a discharge mechanism in the embodiment;

FIG. 2 is a schematic view of a cutting device according to an embodiment;

FIG. 3 is a partial schematic structural diagram of a two-way paper receiving device in an embodiment;

FIG. 4 is a schematic structural diagram of a sticker apparatus according to an embodiment;

fig. 5 is a schematic structural diagram of the stock tension device in the embodiment.

Detailed Description

The invention is further explained below with reference to the drawings:

referring to fig. 1 to 5, a preferred embodiment of an endless paper tape replacing and discharging mechanism of a printing machine comprises a wall board 1, two groups of discharging rollers 2 installed on the wall board 1, a bidirectional paper receiving device 3 used for receiving a material tape, a cutting device 4 used for cutting the paper tape, a paper pasting device 5 used for pasting the paper tape, and a storing tension device 6 used for buffering the paper tape.

The bidirectional paper receiving device 3 comprises two groups of paper tape fixing components 31 which are arranged at an included angle and hinged to the wall plate 1, and a paper receiving driving component 32 which drives the paper tape fixing components 31 to rotate around a hinged point so as to enable the paper tape fixing components 31 to be in butt joint with the cutting device 4, wherein each paper tape fixing component 31 comprises a supporting plate 311, a pressing roller 312 which is arranged in parallel with the supporting plate 311, and a belt pressing driving component 313 which drives the pressing roller 312 to abut against the supporting plate 311; the cutting device 4 comprises a cutting knife 41 and a cutting knife driving component 42 for driving the cutting knife 41 to cut transversely; the paper pasting device 5 comprises a first pressing roller 51 and a second pressing roller 52 which are arranged behind the cutting device 4 in parallel, and a pressing roller driving component 53 for driving the first pressing roller 51 to abut against the second pressing roller 52, a gear transmission component 54 for driving the first pressing roller 51 and the second pressing roller 52 to rotate relatively is further arranged between the first pressing roller 51 and the second pressing roller 52, and negative pressure adsorption holes 55 are uniformly distributed on the surface of the first pressing roller 51 and/or the second pressing roller 52. Wherein the cutting blade drive assembly 42 includes a horizontally mounted linear cylinder. The gear transmission assembly 54 includes gears which are disposed at the ends of the first pressing roller 51 and the second pressing roller 52 and can be engaged with each other, and a servo motor which drives the gears to rotate.

When the paper splicing device works, a first group of paper tapes pass through the first group of discharging rollers 2, one group of paper tape fixing assemblies 31 of the bidirectional paper splicing device 3, the cutting device 4, a position between a first pressing roller 51 and a second pressing roller 52 of the paper splicing device 5 and the material storage tension device 6 and then enter a printing mechanism of a printing machine; after the second group of paper tapes are discharged from the second group of discharging rollers 2 manually, the second group of paper tapes enter the second group of paper tape fixing assemblies 31, are automatically pressed and fixed on the bearing plate 311 by the pressing rollers 312, and are adhered with first gummed paper on one side surface of the end part of the paper tapes, while second gummed paper is adsorbed on the first pressing roller 51 or the second pressing roller 52; when the first group of paper tapes are nearly used up, the first press roller 51 and the second press roller 52 are driven by the press roller driving assembly 53 to press and fix the paper tapes, the paper tapes are cut by the cutting device 4, the paper tape fixing assembly 31 is driven by the paper splicing driving assembly 32 to rotate, the second group of paper tapes are butted at the cut positions and are temporarily fixed by the first gummed paper, at the moment, the press roller 312 of the second group of paper tape fixing assembly 31 is released, the first press roller 51 and the second press roller 52 rotate relatively under the driving of the gear transmission assembly 54, the connection positions of the paper tapes pass through, at the moment, the second gummed paper with the back surface adsorbed on the first press roller 51 or the second press roller 52 is pasted at the connection positions of the paper tapes and is pressed along with the rotation, and the replacement of the paper tapes is finished. In the process of butting and pasting the paper tape, the paper tape on the storage tension device 6 is gradually released until the butting is completed, the storage tension device 6 is gradually reset, the whole process does not need to be stopped, and the printing production efficiency is improved.

Referring to fig. 3, in a preferred embodiment of the bidirectional paper receiving device 3, the bidirectional paper receiving device 3 further includes two sets of V-shaped brackets 33 arranged in parallel, two ends of the supporting plate 311 are clamped and fixed between the two sets of brackets 33, and the two sets of supporting plates 311 are respectively fixed on two arms of the brackets 33; a gap for passing paper tapes is formed between the two groups of supporting plates 311, and the paper tape fixing component 31 is hinged on the wall plate 1 through a hinge shaft 34 penetrating through the middle points of the two groups of brackets 33. The articulated shaft 34 is sleeved with a driven roller, and the upper side and the lower side of the articulated shaft 34 are also provided with rollers which are in abutting contact with the surfaces of the articulated shaft, so that two groups of paper tapes can pass through the rollers, and the smoothness of the transmission of the paper tapes is ensured. Further, the press belt driving assembly 313 includes an air cylinder vertically fixed on the supporting plate 311, an installation rod driven by the air cylinder to ascend and descend, and a guide rod connected to two ends of the installation rod and slidably disposed on the supporting plate 311, the pressing roller 312 is disposed on the other side of the supporting plate 311, and two ends of the pressing roller are hinged to the guide rod. Further, the paper receiving driving assembly 32 includes a linear cylinder, a driving end of the linear cylinder is hinged to the bracket 33, and the other end of the linear cylinder is hinged to the wall board 1. When one group of paper tapes penetrate through the paper tape fixing component 31 to normally work, the paper tape of the other discharge roller 2 can be clamped and fixed between the other group of pressing rollers 312 and the bearing plate 311 in advance, after the upper group of paper tapes are used up, the paper receiving driving component 32 automatically drives the bracket 33 to rotate, and after the butt joint is completed, the pressing rollers 312 are loosened to automatically connect; only the paper tape is fixed in the working gap, so that the labor is saved; the paper tape passes through the gap between the two groups of bearing plates 311 and is supported by the bearing plates 311, so that the two groups of paper tapes can be ensured to keep the same angle and flatness when in butt joint, and the tension force before and after paper changing is ensured to be consistent.

Referring to fig. 4, in a preferred embodiment of the sticker apparatus 5, the sticker apparatus 5 further includes two sets of side plates 56 arranged in parallel, and a top plate 57 having two ends erected and fixed on the top ends of the side plates 56, the second pressing roller 52 is hinged between the two sets of side plates 56, two ends of the first pressing roller 51 are respectively hinged on a sliding block 58, the side plates 56 have sliding grooves 59 in sliding fit with the sliding blocks 58, and the pressing roller driving assembly 53 is mounted on the top plate 57 and is used for driving the sliding blocks 58 to move along the sliding grooves 59. The sliding groove 59 is matched with the sliding block 58 for guiding the first pressing roller 51, so that the coaxiality of the first pressing roller 51 and the second pressing roller 52 can be ensured, and the paper tape is prevented from deviating.

Referring to fig. 5, in a preferred embodiment of the stock tensioning device 6, the stock tensioning device 6 comprises two sets of parallel stock roller assemblies 61 and a tension driving assembly 62 for driving the two sets of stock roller assemblies 61 to close or separate; the material roller assembly 61 comprises a mounting bar 611 parallel to the wall plate 1, a hinge shaft 612 for hinging one end of the mounting bar 611 to the wall plate 1, and a plurality of rollers 613 parallel to the hinge shaft 612 and hinged at one end to the mounting bar 611; the hinge shafts 612 of the two sets of material roller assemblies 61 are respectively arranged at two opposite ends of the mounting bar 611. Further, the tension driving assembly 62 is disposed on the other side of the wall panel 1, and includes a rotating block 621 whose middle portion is fixed to the hinge shaft 612, first ends of the two sets of rotating blocks 621 are connected by a hinged connecting rod 622, a second end of one of the rotating blocks 621 is hinged to a linear air cylinder 623, the other end of the linear air cylinder 623 is hinged to the wall panel 1, and a second end of the other rotating block 621 is hinged to a linear damper 624, and a second end of the linear damper 624 is hinged to the wall panel 1. The two groups of multi-roller 613 structures which are arranged oppositely can buffer longer paper tapes, so that the operation of replacing the paper tapes is convenient; two material roller assembly 61 pass through the cylinder drive, through connecting rod 622 interlock to set up linear damping 624, the speed of ability accurate control storage and blowing, thereby guaranteed the printing precision of paper tape changing in-process.

The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The non-stop paper tape replacing and discharging mechanism of the printing machine is characterized by comprising a wallboard, two groups of discharging rollers arranged on the wallboard, a bidirectional paper receiving device used for receiving a material tape, a cutting device used for cutting the paper tape, a paper pasting device used for adhering the paper tape and a storage tension device used for caching the paper tape; the bidirectional paper receiving device comprises two groups of paper tape fixing assemblies which are arranged at an included angle and hinged to the wall board, and a paper receiving driving assembly which drives the paper tape fixing assemblies to rotate around a hinged point so as to enable the paper tape fixing assemblies to be in butt joint with the cutting device, wherein each paper tape fixing assembly comprises a bearing plate, a pressing roller which is arranged in parallel to the bearing plate, and a belt pressing driving assembly which drives the pressing roller to abut against the bearing plate; the cutting device comprises a cutting knife and a cutting knife driving assembly for driving the cutting knife to cut transversely; the sticker device includes locate parallelly first compression roller and the second compression roller at cutting device rear, and the drive first compression roller supports and props up the compression roller drive assembly of second compression roller, first compression roller reaches still be equipped with its relative pivoted gear drive subassembly of drive between the second compression roller, just first compression roller and/or negative pressure adsorption hole has evenly been laid on the surface of second compression roller.

2. The non-stop paper tape changing and discharging mechanism of the printing machine as claimed in claim 1, wherein the bidirectional paper receiving device further comprises two sets of V-shaped brackets arranged in parallel, two ends of the supporting plate are clamped and fixed between the two sets of brackets, and the two sets of supporting plates are respectively fixed on two arms of the brackets; and a gap for passing a paper tape is formed between the two groups of supporting plates, and the paper tape fixing component is hinged on the wall plate through a hinge shaft penetrating through the middle points of the two groups of supports.

3. The non-stop paper tape replacing and discharging mechanism of the printing machine as claimed in claim 2, wherein the press belt driving assembly comprises a cylinder vertically fixed on the support plate, a mounting rod driven by the cylinder to lift, and guide rods connected to two ends of the mounting rod and slidably penetrating the support plate, the pinch roller is arranged on the other side of the support plate, and two ends of the pinch roller are hinged to the guide rods.

4. The non-stop paper tape replacing and discharging mechanism of the printing machine as claimed in claim 2, wherein the paper receiving driving assembly comprises a linear cylinder, a driving end of the linear cylinder is hinged with the support, and the other end of the linear cylinder is hinged with the wall plate.

5. The non-stop paper tape replacing and discharging mechanism of the printing machine as claimed in claim 1, wherein the paper pasting device further comprises two groups of side plates arranged in parallel, a top plate with two ends erected and fixed at the top ends of the side plates, the second pressing roller is hinged between the two groups of side plates, two ends of the first pressing roller are hinged to a sliding block respectively, sliding grooves in sliding fit with the sliding blocks are formed in the side plates, and the pressing roller driving assembly is mounted on the top plate and used for driving the sliding blocks to move along the sliding grooves.

6. The machine for discharging the paper tape without stopping the machine according to claim 1, wherein the storage tension device comprises two groups of material roller assemblies which are arranged in parallel and a tension driving assembly which drives the two groups of material roller assemblies to close or separate; the material roller assembly comprises a mounting strip parallel to the wallboard, a hinged shaft for hinging one end of the mounting strip to the wallboard, and a plurality of rollers parallel to the hinged shaft and hinged at one end to the mounting strip; articulated shafts of the two groups of material roller assemblies are respectively arranged at two opposite ends of the mounting strip.

7. The non-stop paper tape replacing and discharging mechanism of the printing machine as claimed in claim 6, wherein the tension driving assembly is arranged on the other side of the wall plate and comprises rotating blocks, the middle parts of the rotating blocks are fixed to the hinge shafts, first ends of two groups of the rotating blocks are connected through hinged connecting rods, a second end of one rotating block is hinged to a linear air cylinder, the other end of the linear air cylinder is hinged to the wall plate, a second end of the other rotating block is hinged to a linear damper, and a second end of the linear damper is hinged to the wall plate.