CN113459645A

CN113459645A - Letterpress printing machine

Info

Publication number: CN113459645A
Application number: CN202110519542.XA
Authority: CN
Inventors: 吴云卓; 周海波
Original assignee: Individual
Current assignee: Jiangsu Rongwei Industrial Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-10-01
Anticipated expiration: 2041-05-13
Also published as: CN113459645B

Abstract

The invention relates to the technical field of letterpress printing machine devices, in particular to a letterpress printing machine, which comprises a table body, wherein a first baffle is fixedly connected to the position, close to the center, of the outer surface of the front end of the table body, a second baffle is fixedly connected to the position, close to the center, of the outer surface of the rear end of the table body, a groove is formed in the position, close to one side, of the outer surface of the upper end of the first baffle, a fixed block is fixedly connected to the position, close to the center, of the outer surface of the upper end of the groove, a supporting rod is hinged to the outer surface of the upper end of the fixed block, a clamping block is fixedly connected to one end, far away from the fixed block, of the supporting rod, an air cylinder is arranged on the outer surface of the upper end of the supporting rod, a cleaning module is connected to the lower end of the supporting rod, the cleaning module can clean the surface of paper with variable height, so that the printing loss is reduced, the quality is improved, and the well fixed paper which is neatly arranged, the stop caused by the inclination of the paper during printing is prevented, thereby improving the working efficiency.

Description

Letterpress printing machine

Technical Field

The invention relates to the technical field of letterpress printing machines, in particular to a letterpress printing machine.

Background

Letterpress printing machines, machines in which the image-text information on the plate is higher than the blank area. The ink feed of the printing press first distributes the ink evenly and then transfers it to the printing plate via the inking rollers.

1. In the printing process of the conventional letterpress printing machine, paper scraps possibly exist on the surface of paper when the paper is transferred, so that the paper scraps are attached to a roller during printing, the printed finished product image has dirty points, and the finished product cannot be used, so that the loss is improved, and the quality of the finished product is reduced;

2. meanwhile, when the paper is placed, the paper needs to be tidily arranged, and the existing device is not provided with a device for fixing the paper after finishing the arrangement, so that the paper is easy to skew during printing, the machine is stopped, the working efficiency is reduced, and the time is wasted;

for this purpose, a letterpress printing machine is proposed.

Disclosure of Invention

The invention aims to provide a relief printing press, which can clean paper scraps on the surface of paper, reduce printing loss during printing, improve quality, fix neatly arranged paper well, and prevent stop caused by inclination of the paper during printing, thereby improving working efficiency and solving the problems in the background technology:

1. paper dust may be present on the surface of the paper, causing the paper dust to adhere to the cylinder during printing, resulting in dirty spots in the printed finished image.

2. The paper needs to be arranged neatly when being placed, and the existing device does not have a device for fixing the paper after finishing the arrangement, so that the paper is easy to skew during printing, the machine is stopped, the working efficiency is reduced, and the time is wasted.

In order to achieve the purpose, the invention provides the following technical scheme: a relief printing press comprises a table body, wherein a first baffle is fixedly connected to the outer surface of the right end of the table body close to the central position, a second baffle is fixedly connected to the outer surface of the left end of the table body close to the central position, a groove is formed in the position of the outer surface of the upper end of the first baffle close to one side, sensors are mounted on one sides of the first baffle and the second baffle close to the table body, and the sensors can detect the height change of paper; a fixed block is fixedly connected to the outer surface of the upper end of the groove close to the central position, a supporting rod is hinged to the outer surface of the upper end of the fixed block, a clamping block is fixedly connected to one end, away from the fixed block, of the supporting rod, an air cylinder is fixedly mounted on the outer surface of the upper end of the supporting rod through a bolt, the air cylinder is connected with an electromagnetic directional valve through a hose, the electromagnetic directional valve is connected with a high-pressure air storage tank through a hose, and the high-pressure air storage tank is located on the outer surface of the right end of the first baffle; the lower end of the supporting rod is fixedly provided with a cleaning module through a connecting plate, a through hole is formed in the position, close to one side, of the outer surface of the second baffle, a connecting rod is connected inside the through hole in a sliding mode, and a positioning plate is fixedly connected to the outer surface of the right end of the connecting rod; the sensor and the electromagnetic directional valve are electrically connected with the controller.

Preferably, the cleaning module comprises a liquid storage box, a partition plate, a guide pipe, a cooling plate and a brush, a liquid storage cavity is arranged in the liquid storage box, the liquid storage cavity is divided into two cavities by the partition plate, polyvinyl acetate is filled in the cavity at the lower end of the partition plate, an auger rotating shaft is arranged in the cavity, a motor is arranged at the left end of the auger rotating shaft, and the motor is fixedly arranged on the outer surface of the left end of the liquid storage box; a temperature control module is arranged at the position, close to the lower end face, of the left end of the cavity at the lower end of the partition board; the utility model discloses a cooling device, including liquid storage box, brush, cooling plate, the terminal surface is arranged with great ease under the liquid storage box has the through-hole, install the pipe in the through-hole, the brush passes the pipe and extends to the lower extreme of pipe, each row of horizontal guide pipe passes the cooling plate that sets up on the terminal surface under the liquid storage box, the inside U type recess that is provided with of cooling plate, two ports of U type recess pass through the hose and are connected with cooling device.

Preferably, the brush is made of polyvinyl acetate.

Preferably, the interior of the catheter is coated with a non-stick coating.

Preferably, the cooling device comprises a U-shaped groove, semiconductor refrigeration pieces, a heat conducting plate, a circulating pump and a water storage tank, two ports of the U-shaped groove are respectively connected with the circulating pump and the water storage tank through hoses, the water storage tank is positioned on the outer surface of the right end of the liquid storage box, a plurality of groups of semiconductor refrigeration pieces are arranged on the inner wall of the water storage tank, and the heat conducting plates are arranged on the outer sides of the plurality of groups of semiconductor refrigeration pieces; the circulating pump is located the storage water tank lower extreme, circulating pump internally mounted has the acoustical panel.

Preferably, the number of the grooves is two, the grooves are symmetrically arranged on the outer surface of the upper end of the second baffle, the outer surface of the lower end of each groove arranged on the second baffle is provided with a clamping groove, and the clamping blocks are clamped inside the clamping grooves.

Preferably, a rubber pad is arranged in the through hole and matched with the connecting rod.

Preferably, the positioning plate is made of metal and has a smooth surface.

Compared with the prior art, the invention has the beneficial effects that:

1. through add the recess in the device, the fixed block, the bracing piece, the fixture block, a series of structural component such as draw-in groove and type brush, the device is when using, the user is now neat with the paper arrangement then places on the stage body surface, lean on paper one side at the rear end surface of first baffle, then the user promotes the locating plate laminating that makes connecting rod one end fixed connection to the front end at the opposite side position of paper with the connecting rod, thereby can effectual fixed paper, make the paper can not incline, reduce the number of times of shutting down, increase production efficiency, then the user will articulate the bracing piece in the fixed block upper end and put down, utilize bracing piece other end fixed connection's the fixture block card and in the draw-in groove in the second baffle recess, make the bracing piece fix between first baffle and second baffle.

2. The temperature of the polyvinyl acetate filled in the cavity at the lower end of the partition board is controlled to be within the melting point range of the polyvinyl acetate by the temperature control module, the motor drives the auger rotating shaft to stir the polyvinyl acetate to enable the polyvinyl acetate to be melted into a liquid state, when the sensor senses that the height of the paper is lowered, the high-pressure air storage tank inflates the air cylinder, the piston rod drives the partition board to downwards extrude the liquid polyvinyl acetate, the liquid polyvinyl acetate can be guided by the guide pipe and downwards extrude the brush by the liquid polyvinyl acetate, when the liquid polyvinyl acetate passes through the position of the cooling plate, the liquid polyvinyl acetate is cooled by the cooling plate to become a part of the brush, the brush is lengthened to be attached to the outer surface of the upper end of the paper, so that the brush on the outer surface of the upper end of the paper can well clean paper scraps remained on the surface of the paper when the paper is conveyed forwards, the finished product that leads to because of the adhesion of wastepaper is unable to be used when guaranteeing to improve the finished product quality and reduce the loss, realized that the brush carries out the purpose of clearing up to the paper surface of highly constantly changing.

3. Through setting up the sensor, when not having the paper, the sensor signals for the controller, and the switching-over of controller control solenoid directional valve, high-pressure gas holder aerifys the cylinder, and the piston rod drives the baffle up to move together, and the negative pressure that the cavity of baffle lower extreme formed absorbs the brush, and solid-state polyvinyl acetate gets into the cavity of baffle lower extreme, heats the brush under temperature control module's control, and the brush is reduced to liquid polyvinyl acetate, has realized the purpose of cycle recycle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a cleaning module of the present invention;

FIG. 3 is an enlarged view of a portion of the cleaning module of the present invention;

FIG. 4 is a view of the through hole and connecting rod combination of the present invention;

fig. 5 is an enlarged view of the cooling device of the present invention.

In the figure:

1. a table body; 2. a first baffle plate; 3. a second baffle; 4. a groove; 5. a clamping block; 501. a card slot; 6. a cylinder; 7. a partition plate; 8. a U-shaped groove; 9. a screw conveyor rotating shaft; 10. a support bar; 11. a fixed block; 12. a water storage tank; 13. a semiconductor cooling fin; 14. a heat conducting plate; 15. a sound-absorbing panel; 16. a circulation pump; 17. a temperature control module; 18. a motor; 19. a liquid storage box; 20. a connecting plate; 21. a cooling plate; 22. a conduit; 23. a brush; 24. a connecting rod; 25. a through hole; 26. positioning a plate; 27. a sensor; 28. a high-pressure gas storage tank.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution:

as shown in fig. 1 to 5, a letterpress printing machine comprises a table body 1, wherein a first baffle 2 is fixedly connected to the outer surface of the right end of the table body 1 close to the central position, a second baffle 3 is fixedly connected to the outer surface of the left end of the table body 1 close to the central position, a groove 4 is formed in the outer surface of the upper end of the first baffle 2 close to one side, a sensor 27 is mounted on one side of the first baffle 2 and one side of the second baffle 3 close to the table body 1, and the sensor 27 can detect the height change of paper; a fixed block 11 is fixedly connected to the outer surface of the upper end of the groove 4 close to the central position, a supporting rod 10 is hinged to the outer surface of the upper end of the fixed block 11, a fixture block 5 is fixedly connected to one end, far away from the fixed block 11, of the supporting rod 10, an air cylinder 6 is fixedly mounted on the outer surface of the upper end of the supporting rod 10 through a bolt, the air cylinder 6 is connected with an electromagnetic directional valve through a hose, the electromagnetic directional valve is connected with a high-pressure air storage tank 28 through a hose, and the high-pressure air storage tank 28 is located on the outer surface of the right end of the first baffle 2; a cleaning module is fixedly mounted at the lower end of the supporting rod 10 through a connecting plate 20, a through hole 25 is formed in the position, close to one side, of the outer surface of the second baffle plate 3, a connecting rod 24 is slidably connected inside the through hole 25, and a positioning plate 26 is fixedly connected to the outer surface of the right end of the connecting rod 24; the sensor 27 is electrically connected to the electromagnetic directional valve.

Through adopting above-mentioned technical scheme, can clear up the wastepaper on paper surface for reduce the printing loss when the printing, improve the quality, moreover can be fine fixed with the orderly paper of arrangement, prevent the shut down that the slope of paper leads to when the printing, thereby improve work efficiency.

Specifically, as shown in fig. 2, the cleaning module includes a liquid storage box 19, a partition plate 7, a conduit 22, a cooling plate 21 and a brush 23, a liquid storage cavity is arranged inside the liquid storage box 19, the liquid storage cavity is divided into two chambers by the partition plate 7, polyvinyl acetate is filled in the chamber at the lower end of the partition plate 7, an auger rotating shaft 9 is arranged in the chamber, a motor 18 is arranged at the left end of the auger rotating shaft 9, the motor 18 is fixedly arranged on the outer surface of the left end of the liquid storage box 19, and a temperature control module 17 is arranged at the position, close to the lower end face, of the left end of the chamber at the lower end of the partition plate 7; the terminal surface is arranged with great ease under the liquid storage box 19 has the through-hole, install pipe 22 in the through-hole, brush 23 passes the pipe and extends to pipe 22's lower extreme, every row of horizontal pipe 22 passes the cooling plate 21 that sets up on the terminal surface under the liquid storage box 19, the inside U type recess 8 that is provided with of cooling plate 21, two ports of U type recess 8 pass through the hose and are connected with cooling device.

By the technical proposal, the temperature of the polyvinyl acetate filled in the chamber at the lower end of the clapboard 7 is controlled within the melting point range of the polyvinyl acetate by the temperature control module 17, meanwhile, the motor 18 drives the auger rotating shaft 9 to stir the polyvinyl acetate, when the temperature reaches the melting point of the polyvinyl acetate, the polyvinyl acetate is melted into liquid, when the sensor 27 senses that the height of the paper is low, the sensor 27 sends a signal to the controller, the controller controls the electromagnetic directional valve to change the direction, the high-pressure air storage tank 28 charges air to the air cylinder 6, the piston rod drives the partition plate 7 to move downwards together, the partition plate 7 extrudes liquid polyvinyl acetate, the liquid polyvinyl acetate extrudes the brush 23 downwards through the guide pipe 22, when the liquid polyvinyl acetate passes through the position of the cooling plate 21, the liquid polyvinyl acetate is cooled to become a part of the brush 23, so that the brush 23 is lengthened, and the purpose that the brush 23 cleans the paper surface with constantly changing height is realized; when no paper exists, the sensor 27 sends a signal to the controller, the controller controls the electromagnetic reversing valve to change the direction, the high-pressure air storage tank 28 inflates the air cylinder 6, the piston rod drives the partition plate 7 to move upwards, negative pressure formed by the cavity at the lower end of the partition plate 7 absorbs the brush 23, the brush 23 enters the cavity at the lower end of the partition plate 7, the brush 23 is heated under the control of the temperature control module 17, the brush 23 is reduced into liquid polyvinyl acetate, preparation is made for next work, and the purpose of recycling is achieved.

Specifically, the brush 23 is made of polyvinyl acetate.

Through above-mentioned technical scheme, polyvinyl acetate is nontoxic on the one hand, and tough plasticity is good and the melting point is 60 ℃, can easily control the temperature and carry out liquid-solid conversion to polyvinyl acetate in this device, and on the other hand, the polyvinyl acetate material is soft and flexible, can not destroy the surface of paper when clearing up the wastepaper on paper surface.

Specifically, the catheter 22 is coated with a non-stick coating, which may be a nano-coating.

Through above-mentioned technical scheme, the nanometer coating lets the unable bonding of polyvinyl acetate inside pipe 22, can guarantee pipe 22's unobstructed all the time when cylinder 6 extrudees and absorbs the polyvinyl acetate of filling in stock solution box 19 through baffle 7.

Specifically, the cooling device comprises a U-shaped groove 8, semiconductor refrigeration pieces 13, a heat conducting plate 14, a circulating pump 16 and a water storage tank 12, the water storage tank 12 is located on the outer surface of the right end of a liquid storage box 19, two ports of the U-shaped groove 8 are respectively connected with the circulating pump 16 and the water storage tank 12 through hoses, a plurality of groups of semiconductor refrigeration pieces 13 are arranged on the inner wall of the water storage tank 12, and the heat conducting plates 14 are arranged on the outer sides of the plurality of groups of semiconductor refrigeration pieces 13; the circulating pump 16 is positioned at the lower end of the water storage tank 12, and a sound-absorbing plate 15 is arranged inside the circulating pump 16.

Through above-mentioned technical scheme, circulating pump 16 passes through the hose with cold water and pours into U type recess 8 into, and the original hot water of U type recess 8 is crowded into storage water tank 12, and hot water is cooled into cold water by multiunit semiconductor refrigeration piece 13, has realized the purpose of circulative cooling polyvinyl acetate, and acoustical panel 15 can reduce circulating pump 16's noise.

Specifically, the number of the grooves 4 is two, the grooves are symmetrically arranged on the outer surface of the upper end of the second baffle 3, the outer surface of the lower end of the groove 4 arranged on the second baffle 3 is provided with a clamping groove 501, and the clamping block 5 is clamped in the clamping groove 501, so that the supporting rod 10 can be conveniently fixed.

Specifically, the rubber pad is arranged in the through hole 25 and matched with the connecting rod 24, and the resistance is increased by the rubber pad, so that the connecting rod 24 cannot deviate due to smaller vibration.

Specifically, the positioning plate 26 is made of metal and has a smooth surface, and resistance to paper can be reduced by using the smooth surface.

The working principle is as follows: through adding a series of structural component such as recess 4 in the device, fixed block 11, bracing piece 10, fixture block 5, draw-in groove 501 and brush 23, the device is when using, the user is at present neatly with the paper arrangement then place on stage 1 surface, lean on paper one side at the rear end surface of first baffle 2, then the user promotes connecting rod 24 to the front end and makes connecting rod 24 one end fixed connection's locating plate 26 laminate in the other side position of paper, thereby can effectual fixed paper, make the paper can not incline, reduce the number of times of shutting down, increase production efficiency, then the user puts down bracing piece 10 that articulates at the upper end of fixed block 11, utilize fixture block 5 card of bracing piece 10 other end fixed connection and in draw-in groove 501 in second baffle 3 recess 4, make bracing piece 10 fix between first baffle 2 and second baffle 3, then the temperature of the polyvinyl acetate who loads in the cavity of baffle lower extreme is gathering vinegar through temperature control module 17 control In the acid ethylene melting point range, the motor 18 drives the auger rotating shaft 9 to stir the polyvinyl acetate, when the temperature reaches the melting point of the polyvinyl acetate, the polyvinyl acetate is melted into liquid, when the sensor 27 senses that the height of the paper becomes low, the sensor 27 sends a signal to the controller, the controller controls the electromagnetic reversing valve to reverse, the high-pressure air storage tank 28 inflates the air cylinder 6, the piston rod drives the partition plate 7 to move downwards together, the partition plate 7 extrudes the liquid polyvinyl acetate, the liquid polyvinyl acetate extrudes the brush 23 downwards through the guide pipe 22, when the liquid polyvinyl acetate passes through the position of the cooling plate 21, the liquid polyvinyl acetate is cooled to become a part of the brush 23, the brush 23 is lengthened, the brush 23 is attached to the outer surface of the upper end of the paper, and the brush 23 on the outer surface of the upper end of the paper can well clean paper scraps remained on the surface of the paper when the paper is conveyed forwards during printing, the finished product can not be used due to the attachment of paper scraps in the printing process, so that the quality of the finished product is improved, the loss is reduced, and the purpose that the brush 23 cleans the surface of paper with constantly changing height is achieved; when no paper exists, the sensor 27 sends a signal to the controller, the controller controls the electromagnetic reversing valve to change the direction, the high-pressure air storage tank 28 inflates the air cylinder 6, the piston rod drives the partition plate 7 to move upwards, negative pressure formed by the cavity at the lower end of the partition plate 7 absorbs the brush 23, solid polyvinyl acetate enters the cavity at the lower end of the partition plate 7, the brush 23 is heated under the control of the temperature control module 17, the brush 23 is reduced into liquid polyvinyl acetate, preparation is made for next work, and the purpose of recycling is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A letterpress printing machine comprising a table (1), characterized in that: a first baffle (2) is fixedly connected to the outer surface of the right end of the table body (1) close to the central position, a second baffle (3) is fixedly connected to the outer surface of the left end of the table body (1) close to the central position, a groove (4) is formed in the position, close to one side, of the outer surface of the upper end of the first baffle (2), a sensor (27) is installed on one side, close to the table body (1), of the first baffle (2) and the second baffle (3), and the sensor (27) can detect the height change of paper; the outer surface of the upper end of the groove (4) is fixedly connected with a fixed block (11) close to the central position, the outer surface of the upper end of the fixed block (11) is hinged with a supporting rod (10), one end, far away from the fixed block (11), of the supporting rod (10) is fixedly connected with a fixture block (5), the outer surface of the upper end of the supporting rod (10) is fixedly provided with an air cylinder (6) through a bolt, the air cylinder (6) is connected with an electromagnetic reversing valve through a hose, the electromagnetic reversing valve is connected with a high-pressure air storage tank (28) through a hose, and the high-pressure air storage tank (28) is located on the outer surface of the right end of the first baffle (2); the lower end of the supporting rod (10) is fixedly provided with a cleaning module through a connecting plate (20), a through hole (25) is formed in the position, close to one side, of the outer surface of the second baffle plate (3), a connecting rod (24) is connected inside the through hole (25) in a sliding mode, and a positioning plate (26) is fixedly connected to the outer surface of the right end of the connecting rod (24); the sensor (27) and the electromagnetic directional valve are electrically connected with the controller.

2. The letterpress printing press according to claim 1, wherein: the cleaning module comprises a liquid storage box (19), a partition plate (7), a guide pipe (22), a cooling plate (21) and a brush (23), wherein a liquid storage cavity is formed in the liquid storage box (19), the liquid storage cavity is divided into two cavities by the partition plate (7), polyvinyl acetate is filled in the cavity at the lower end of the partition plate (7), an auger rotating shaft (9) is arranged in the cavity, a motor (18) is arranged at the left end of the auger rotating shaft (9), the motor (18) is fixedly arranged on the outer surface of the left end of the liquid storage box (19), and a temperature control module (17) is arranged at the position, close to the lower end face, of the left end of the cavity at the lower end of the partition plate (7); the utility model discloses a cooling device, including stock solution box (19), brush (23), cooling plate (21), the terminal surface is arranged with great ease under stock solution box (19) has the through-hole, install pipe (22) in the through-hole, brush (23) pass pipe (22) and extend to the lower extreme of pipe (22), and every row of horizontal pipe (22) pass the cooling plate (21) that set up on stock solution box (19) lower terminal surface, cooling plate (21) inside is provided with U type recess (8), two ports of U type recess (8) pass through the hose and are connected with cooling device.

3. The letterpress printing press according to claim 2, wherein: the brush (23) is made of polyvinyl acetate.

4. The letterpress printing press according to claim 3, wherein: the interior of the conduit (22) is coated with a non-stick coating.

5. The letterpress printing press according to claim 2, wherein: the cooling device comprises a U-shaped groove (8), semiconductor refrigerating sheets (13), a heat conducting plate (14), a circulating pump (16) and a water storage tank (12), two ports of the U-shaped groove (8) are respectively connected with the circulating pump (16) and the water storage tank (12) through hoses, the water storage tank (12) is positioned on the outer surface of the right end of a liquid storage box (19), a plurality of groups of semiconductor refrigerating sheets (13) are arranged on the inner wall of the water storage tank (12), and the heat conducting plate (14) is arranged on the outer sides of the plurality of groups of semiconductor refrigerating sheets (13); the circulating pump (16) is positioned at the lower end of the water storage tank (12), and a sound-absorbing plate (15) is arranged inside the circulating pump (16).

6. The letterpress printing press according to claim 1, wherein: the number of the grooves (4) is two, the grooves are symmetrically arranged on the outer surface of the upper end of the second baffle (3), the outer surface of the lower end of the groove (4) formed in the second baffle (3) is provided with a clamping groove (501), and the clamping block (5) is clamped in the clamping groove (501).

7. The letterpress printing press according to claim 1, wherein: a rubber pad is arranged in the through hole (25), and the rubber pad is matched with the connecting rod (24).

8. The letterpress printing press according to claim 1, wherein: the positioning plate (26) is made of metal and has a smooth surface.