CN214924722U

CN214924722U - Printer is with fixing a position device of tailorring based on reverse negative pressure principle

Info

Publication number: CN214924722U
Application number: CN202120857480.9U
Authority: CN
Inventors: 陈日健; 田桂生
Original assignee: Yunchang Special Printing Shenzhen Co ltd
Current assignee: Yunchang Special Printing Shenzhen Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-30
Anticipated expiration: 2031-04-23

Abstract

The application discloses a positionable cutting device for a printing machine based on a reverse negative pressure principle, which relates to the technical field of printing machines and solves the problem of low paper cutting quality; the two lifting cylinders are arranged on two sides of the workbench and comprise cylinder bodies and piston rods, the upper end face of the workbench is provided with a mounting frame for fixing the cylinder bodies, and the piston rods penetrate through the workbench in a sliding manner from top to bottom; two ends of the cutting knife are correspondingly and horizontally connected to the outer walls of the two piston rods; the workstation has seted up the piston groove in one side of cutting out the cutter, and the pressure release hole has been seted up to the tank bottom of piston groove, installs the lifter plate that pastes in piston groove week side pore wall in the piston groove, is provided with the connector that drives the lifter plate and reciprocate between lifter plate and two piston rods. The application can effectively improve the cutting quality.

Description

Printer is with fixing a position device of tailorring based on reverse negative pressure principle

Technical Field

The application relates to the technical field of printing machines, in particular to a cutting device capable of being positioned for a printing machine based on a reverse negative pressure principle.

Background

With the development and progress of society, the printing machine becomes an indispensable machine in human civilization transmission. The working principle of the printing machine is that the characters and images to be printed are made into a printing plate, the printing plate is arranged on the printing machine, then ink is coated on the positions, where the characters and images are arranged, of the printing plate by a person or the printing machine, and then the printing plate is directly or indirectly transferred to paper or other printing stocks.

Referring to fig. 4, the printing machine comprises a machine body 9 and a workbench 1 which is arranged on one side of the machine body 9 and used for receiving paper to be cut after printing is finished. The workbench 1 is provided with a mounting rack 4, the two sides of the mounting rack 4 are provided with lifting cylinders 2, and a cutting tool 3 for cutting paper to be cut is fixedly connected between the piston rods 22 of the two lifting cylinders 2.

In view of the above-mentioned related art, the inventors consider that there are the following drawbacks: in the cutting process of the paper to be cut, finished paper is usually manually pressed, and then the cutting knife is driven by the lifting cylinder to cut the paper. Because the paper can not be well positioned in the process of manually pressing the paper, the cut finished paper is easy to deviate, and the cutting quality is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the quality of tailorring to the finished product paper after the printing, this application provides a but cutting device with fixing a position for printing machine based on reverse negative pressure principle.

The application provides a but printing machine location is cut out device based on reverse negative pressure principle adopts following technical scheme:

a positionable cutting device for a printing machine based on a reverse negative pressure principle comprises a workbench, a lifting cylinder and a cutting knife, wherein the workbench is arranged on one side of the printing machine and used for bearing paper to be cut;

the lifting air cylinders are arranged on two sides of the workbench and comprise cylinder bodies and piston rods, the upper end face of the workbench is provided with a mounting frame for fixing the cylinder bodies, and the piston rods are slidably arranged on the workbench in a penetrating manner from top to bottom; two ends of the cutting scissors are correspondingly connected to the outer walls of the two piston rods;

the utility model discloses a cutting tool, including workstation, piston groove, pressure release hole, lifter plate, connecting piece, lifter plate and two piston rods, the workstation has seted up the piston groove in one side of cutting out the cutter, the pressure release hole has been seted up to the tank bottom of piston groove, install the lifter plate that pastes in piston groove week side pore wall in the piston groove, be provided with the connecting piece that drives the lifter plate and reciprocate between lifter plate and the two piston rods.

By adopting the technical scheme, when cutting, paper to be cut is laid and covered above the piston groove, the piston rod moves downwards, the lifting plate is driven to move downwards through the connecting piece, the piston groove forms negative pressure in the space above the lifting plate, and the paper to be cut is adsorbed and fixed to be effectively positioned; the piston rod continues to descend to drive the cutting knife to cut the positioned paper to be cut, so that the cutting quality can be effectively improved.

Optionally, the connecting piece includes lifter and connecting rod, the lifter is provided with two and distributes in the both sides of lifter plate bottom length direction, the connecting rod one-to-one is provided with two with the lifter, the one end of connecting rod is connected on the tip lateral wall of lifter, and the other end is connected on the lower extreme lateral wall of piston rod.

Through adopting above-mentioned technical scheme, through being connected of connecting rod and lifter, the process that reciprocates at the piston rod drives the lifter plate and reciprocates to time control piston groove in the pressure of lifter plate top.

Optionally, the two ends of the connecting rod are provided with reinforcing ribs for reinforcing the connection strength of the two end portions of the connecting rod.

Through adopting above-mentioned technical scheme, the setting of strengthening rib can effectively improve the maximum torque that the connecting rod can bear.

Optionally, a first stabilizer bar is connected between the lower end portions of the two lifting rods, and a second stabilizer bar is connected between the lower end portions of the two piston rods.

Through adopting above-mentioned technical scheme, the setting of first stabilizer bar and second stabilizer bar for the piston rod reciprocates, and drives the in-process that the lifter plate removed, keeps stable.

Optionally, a support net is arranged at the notch of the upper end of the piston groove.

Through adopting above-mentioned technical scheme, through the supporting network with treat the contact of cutting paper-cut, increase area of contact for treating that the easy absorption of cutting paper-cut can not be sunk in the piston groove by lightly.

Optionally, the support net is detachably mounted at the notch of the piston groove, and the support net comprises a net frame and an inner net mounted on the net frame.

Through adopting above-mentioned technical scheme, because debris such as wastepaper drop to the piston inslot from the mesh of intranet easily, through the dismantlement of supporting network, be convenient for clear up the piston inslot, reduce wastepaper debris and block up in lifter plate border department, ensure the normal lift of lifter plate.

Optionally, a stepped groove is formed in the inner wall of the upper end orifice of the piston groove along the circumferential direction, and magnets which attract each other are embedded in the bottom of the stepped groove and the bottom of the net frame along the circumferential direction.

Through adopting above-mentioned technical scheme, through the magnet of inter attraction, make the screen frame be fixed in on the piston groove, it is comparatively convenient to install and dismantle.

Optionally, be provided with sealed the pad on the week side outer wall of screen frame, interference fit between the cell wall in sealed pad and the ladder groove.

Through adopting above-mentioned technical scheme, interference fit between sealed pad and the ladder groove cell wall is passed through to the periphery side of screen frame for the screen frame can further stable installation on the ladder groove.

In summary, the present application includes at least one of the following benefits:

1. when cutting, paper to be cut is laid and covered above the piston groove, the piston rod moves downwards, the lifting plate is driven to move downwards through the connecting piece, the piston groove forms negative pressure in the space above the lifting plate, and the paper to be cut is adsorbed and positioned; the piston rod continues to descend to drive the cutting knife to cut the positioned paper to be cut, so that the cutting quality can be effectively improved;

2. through the setting of supporting network, increase with the area of contact who waits to cut the paper-cut for it can not be easily adsorbed by the paper-cut of waiting to cut and sink in the piston groove.

Drawings

FIG. 1 is a schematic structural diagram of a positioning and cutting device and a printing machine body in the present embodiment;

FIG. 2 is a sectional view of the positioning and cutting device of the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic view of a structure of a printing press in the related art.

Description of reference numerals: 1. a work table; 11. a piston groove; 12. a pressure relief vent; 13. a stepped groove; 2. a lifting cylinder; 21. a cylinder body; 22. a piston rod; 3. a cutting tool; 4. a mounting frame; 5. a lifting plate; 6. a coupling member; 61. a lifting rod; 62. a connecting rod; 63. reinforcing ribs; 64. a first stabilizer bar; 65. a second stabilizer bar; 7. a support net; 71. a screen frame; 72. an inner net; 73. a gasket; 8. a magnet; 9. a body.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses but printing machine location is with cutting device based on reverse negative pressure principle. Referring to fig. 1, the positioning cutting device comprises a workbench 1 arranged on one side of a printer body 9 and used for receiving paper to be cut, a lifting cylinder 2 arranged on the workbench 1, and a cutting knife 3 arranged on the lifting cylinder 2.

Referring to fig. 1, a mounting frame 4 is welded and fixed on the workbench 1, and the mounting frame 4 spans across the workbench 1 and is perpendicular to the moving direction of the paper to be cut. The two lifting cylinders 2 are correspondingly arranged, each lifting cylinder 2 comprises a cylinder body 21 and a piston rod 22, and the two cylinder bodies 21 are correspondingly arranged on two sides of the mounting frame 4 through bolts. The piston rod 22 is always slidably inserted through the table 1. Both ends of the cutting knife 3 are correspondingly welded on the side wall of the piston rod 22, and the cutting knife 3 is located above the workbench 1.

Referring to fig. 2 and 3, a piston groove 11 is vertically formed in one side of the cutting tool 3 on the workbench 1, and a pressure relief hole 12 is formed in the bottom of the groove bottom of the piston groove 11 in a penetrating manner. The piston groove 11 is provided with a lifting plate 5 which slides up and down, and a connecting piece 6 is arranged between the lifting plate 5 and the piston rod 22. When paper to be cut is laid above the piston port and the piston rod 22 of the lifting cylinder 2 moves downwards, the lifting plate 5 is driven to move downwards through the connecting rod, and after the lifting plate 5 descends, the piston groove 11 forms negative pressure at the upper end of the lifting plate 5 to adsorb the paper to be cut; and positioning and cutting are carried out on the template.

Referring to fig. 2, the coupling member 6 includes two lifting rods 61 and two connecting rods 62, and the two lifting rods 61 are correspondingly distributed at two ends of the lifting plate 5 in the length direction. One end of the lifting rod 61 is vertically welded at the bottom of the lifting plate 5, the other end of the lifting rod slides through the bottom of the piston groove 11 and is vertically welded on the end side wall of the connecting rod 62, and the other end of the connecting rod 62 is welded and fixed on the end side wall of the piston rod 22. All welded the strengthening rib 63 on the both ends lateral wall of connecting rod 62, the opposite side of strengthening rib 63 corresponds welds on lifter 61 and piston rod 22 to improve the maximum torque that connecting rod 62 can bear.

Referring to fig. 2, a first stabilizer bar 64 is welded between lower end portions of the two lift rods 61, and a second stabilizer bar 65 is welded between lower end portions of the two piston rods 22. The arrangement of the first stabilizer bar 64 and the second stabilizer bar 65 further improves the stability when the piston rod 22 moves up and down and drives the lifting rod 61 to move.

Referring to fig. 2 and 3, in order that the paper to be cut is not easily absorbed into the piston groove 11, a support net 7 is installed at an upper end orifice of the piston groove 11. When the paper-cut is adsorbed, the contact area of the paper-cut and the supporting net 7 is increased, so that the paper-cut is effectively supported.

Referring to fig. 2 and 3, the support net 7 is detachably mounted to the piston groove 11 in order to facilitate periodic cleaning of the inside of the piston groove 11. The support net 7 includes a net frame 71 and an inner net 72. A stepped groove 13 is formed in the notch of the piston groove 11 along the circumferential direction, and a screen frame 71 is erected on the stepped groove 13. The inner web 72 is welded and fixed to the peripheral inner wall of the screen frame 71. Magnets 8 which attract each other are embedded in the screen frame 71 and the stepped groove 13. The peripheral side outer wall of the net frame 71 is further fixedly bonded with a sealing gasket 73, and the sealing gasket 73 is in interference fit with the peripheral side groove wall of the stepped groove 13, so that the connection stability between the support net 7 and the stepped groove 13 is further improved.

The embodiment of the application provides a but printing machine based on reverse negative pressure principle is with the implementation principle of cutting out the device that fixes a position:

when the paper-cut is cut, the paper-cut is laid on the workbench 1 and covered on the piston groove 11. Starting the lifting cylinder 2, and driving the cutting knife 3 and the lifting plate 5 to descend simultaneously when the piston rod 22 moves downwards; in the process, the piston groove 11 forms negative pressure in the space above the lifting plate 5, and the paper to be cut is adsorbed and fixed. After the cutting knife 3 continues to descend to cut the paper to be cut, the piston rod 22 ascends and drives the lifting plate 5 to ascend, and then the adsorption and fixation of the paper to be cut can be released. The cutting quality can be effectively improved in the cutting process.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A positionable cutting device for a printing machine based on a reverse negative pressure principle comprises a workbench (1) arranged on one side of the printing machine and used for bearing paper to be cut, a lifting cylinder (2) arranged on the workbench (1), and a cutting knife (3) arranged on the lifting cylinder (2);

the method is characterized in that: the lifting air cylinders (2) are arranged on two sides of the workbench (1) and distributed on the two sides of the workbench (1), each lifting air cylinder (2) comprises a cylinder body (21) and a piston rod (22), an installation frame (4) for fixing the cylinder body (21) is installed on the upper end face of the workbench (1), and the piston rods (22) penetrate through the workbench (1) in a sliding mode from top to bottom; two ends of the cutting scissors tool (3) are correspondingly connected to the outer walls of the two piston rods (22);

piston groove (11) have been seted up in one side of cutting out cutter (3) in workstation (1), pressure release hole (12) have been seted up to the tank bottom of piston groove (11), install lifter plate (5) of laminating in piston groove (11) week side pore wall in piston groove (11), be provided with between lifter plate (5) and two piston rods (22) and drive connector (6) that lifter plate (5) reciprocated.

2. The printing machine based on the reverse negative pressure principle can be positioned and cut the device according to claim 1, characterized in that: the connecting piece (6) comprises a lifting rod (61) and a connecting rod (62), wherein the lifting rod (61) is provided with two parts which are distributed on two sides of the length direction of the bottom of the lifting plate (5), the connecting rod (62) corresponds to the lifting rod (61) one by one and is provided with two parts, one end of the connecting rod (62) is connected onto the side wall of the end part of the lifting rod (61), and the other end of the connecting rod is connected onto the side wall of the lower end of the piston rod (22).

3. The printing machine based on the reverse negative pressure principle can be positioned and cut the device according to claim 2, characterized in that: and reinforcing ribs (63) used for reinforcing the connection strength of the two end parts of the connecting rod (62) are arranged at the two ends of the connecting rod (62).

4. The printing machine based on the reverse negative pressure principle can be positioned and cut the device according to claim 2, characterized in that: a first stabilizer bar (64) is connected between the lower end parts of the two lifting rods (61), and a second stabilizer bar (65) is connected between the lower end parts of the two piston rods (22).

5. The printing machine based on the reverse negative pressure principle can be positioned and cut the device according to claim 1, characterized in that: and a supporting net (7) is arranged at the notch of the upper end of the piston groove (11).

6. The positionable cutting device for the printing machine based on the reverse negative pressure principle of claim 5, wherein: the supporting net (7) is detachably arranged at the notch of the piston groove (11), and the supporting net (7) comprises a net frame (71) and an inner net (72) arranged on the net frame (71).

7. The positionable cutting device for the printing machine based on the reverse negative pressure principle of claim 6, wherein: stepped groove (13) have been seted up along circumference to the upper end drill way inner wall of piston groove (11), the bottom of stepped groove (13) and screen frame (71) is inlayed along circumference and is equipped with magnet (8) of inter attraction.

8. The positionable cutting device for the printing machine based on the reverse negative pressure principle of claim 7, wherein: be provided with sealed pad (73) on the week side outer wall of net frame (71), interference fit between the cell wall in sealed pad (73) and ladder groove (13).