阅读说明：本技术 一种方便刮墨的印刷机 (Printing machine convenient for ink scraping ) 是由 戴兰红 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种方便刮墨的印刷机,包括印刷机本体及设置于印刷机本体上的两个侧柱,两个侧柱上通过连接轴与印刷辊连接,印刷机本体上设有储液盒,侧柱上设有驱动储液盒上下移动的位移组件,储液盒上固定连接有导液板,储液盒内设有清洗液、转轴、转筒和驱动组件,转筒上设有空腔、支撑柱、刮墨组件和的清理组件,储液盒侧端设有对空腔进行供热气的供热组件。通过电机驱动转轴转动,带动转轴上的转筒转动,进而通过转筒上的刮墨刀和毛刷对印刷辊表面的墨迹进行清理；且刮墨刀在对印刷辊进行刮墨处理时,导向块中与第一运输通道连通的第二运输通道将空腔中的热气导流至刮墨刀与印刷辊接触处,可防止印刷辊上的大颗粒物对刮墨刀进行磨损。(The invention discloses a printing machine convenient for ink scraping, which comprises a printing machine body and two side columns arranged on the printing machine body, wherein the two side columns are connected with a printing roller through a connecting shaft, a liquid storage box is arranged on the printing machine body, a displacement assembly for driving the liquid storage box to move up and down is arranged on each side column, a liquid guide plate is fixedly connected onto each liquid storage box, cleaning liquid, a rotating shaft, a rotating drum and a driving assembly are arranged in each liquid storage box, a cavity, a supporting column, an ink scraping assembly and a cleaning assembly are arranged on each rotating drum, and a heat supply assembly for supplying hot air to the cavity is arranged at the side end. The rotating shaft is driven to rotate by the motor, the rotating drum on the rotating shaft is driven to rotate, and ink marks on the surface of the printing roller are cleaned by a doctor blade and a brush on the rotating drum; and when the ink scraping knife carries out ink scraping treatment on the printing roller, the second transportation channel communicated with the first transportation channel in the guide block guides hot air in the cavity to the contact position of the ink scraping knife and the printing roller, so that the large particles on the printing roller can be prevented from wearing the ink scraping knife.)

1. The printing machine convenient for ink scraping comprises a printing machine body (1) and two side columns (2) arranged on the printing machine body (1), wherein the two side columns (2) are connected with a printing roller (4) through a connecting shaft (3), the printing machine is characterized in that a liquid storage box (7) is arranged on the printing machine body (1), a displacement assembly for driving the liquid storage box (7) to move up and down is arranged on the side columns (2), a liquid guide plate (8) is fixedly connected onto the liquid storage box (7), cleaning liquid (9) is arranged in the liquid storage box (7), a rotating shaft (11) is rotatably connected into the liquid storage box (7), a rotating drum (12) is arranged on the rotating shaft (11), a driving assembly for driving the rotating shaft (11) to rotate is arranged at the side end of the liquid storage box (7), a cavity (13) is arranged in the rotating drum (12), a plurality of supporting columns (14) are arranged, the even symmetry is equipped with a plurality of scraping components of scraping the china ink to printing roller (4) surface on rotary drum (12) surface, be equipped with the clearance subassembly that cleans printing roller (4) surface on rotary drum (12), stock solution box (7) side is equipped with the heat supply subassembly that supplies steam to cavity (13).

2. The printing machine convenient for scraping ink according to claim 1, wherein the displacement assembly comprises a guide rail (5) and a sliding plate (6), the two guide rails (5) are respectively connected with the two side columns (2), the two guide rails (5) are jointly and slidably connected with the sliding plate (6), and a liquid storage box (7) is fixedly connected to the upper end of the sliding plate (6).

3. The printing machine convenient for scraping ink as claimed in claim 1, wherein said driving assembly comprises a cabinet (15) and a motor (16), said cabinet (15) is fixedly connected with said liquid storage box (7), said motor (16) is arranged in said cabinet (15), and the output end of said motor (16) is fixedly connected with said rotating shaft (11).

4. A machine for facilitating the wiping of ink according to claim 1, characterised in that the reservoir (7) is provided with a drainage port (10).

5. The printing machine convenient for ink scraping according to claim 1, wherein the ink scraping assembly comprises fixed columns (20), connecting blocks (21), guide blocks (22), a first transport channel (23), a second transport channel (24), a doctor blade (25), a vertical block (26), a first bolt (27), a second bolt (28) and a threaded rod (29), a plurality of the fixed columns (20) are fixedly connected to the surface of the rotating drum (12), the connecting blocks (21) are respectively and symmetrically arranged on two sides of the fixed columns (20), the guide blocks (22) are fixedly connected to the upper ends of the two connecting blocks (21), the first transport channels (23) communicated with the cavity (13) are arranged in the fixed columns (20) and the rotating drum (12), the second transport channels (24) communicated with the first transport channels (23) are arranged in the connecting blocks (21) and the guide blocks (22), the ink scraping knife (25) is connected with a vertical block (26) through a first bolt (27), the vertical block (26) is connected with a fixed column (20) through a second bolt (28), and two threaded rods (29) are in threaded connection with the fixed column (20) and the second bolt (28).

6. A machine for facilitating the wiping of ink according to claim 5, characterised in that the extension of the second transport path (24) in both guide blocks (22) coincides with the upper tip of the doctor blade (25).

7. A printing machine facilitating ink scraping according to claim 1, wherein the cleaning assembly comprises long columns (30), brushes (31), chutes (32), springs (33), third transport channels (34), hoses (35) and fourth transport channels (36), wherein a plurality of the long columns (30) are slidably connected with the chutes (32) on the drum (12), a top end of the long column (30) far away from the drum (12) is provided with brushes, a top end of the long column (30) near the drum (12) is connected with the bottom of the chutes (32) through the springs (33), the long column (30) is provided with the third transport channels (34), the drum (12) is provided with the fourth transport channels (36) communicated with the cavity (13), and the fourth transport channels (36) are communicated with the third transport channels (34) through the hoses (35).

8. The printing machine convenient for scraping ink according to claim 1, wherein the heat supply assembly comprises a heat supply box (17), a hot air pump (18) and a transport pipeline (19), the heat supply box (17) is fixedly connected with the liquid storage box (7), the hot air pump (18) is arranged in the heat supply box (17), the output end of the hot air pump (18) is communicated with one end of the transport pipeline (19), and the other end of the transport pipeline (19) penetrates through the liquid storage box (7) and is rotatably connected with the cavity wall of the cavity (13) in the rotary drum (12).

9. A machine facilitating wiping according to any one of claims 1 to 8, characterised in that the liquid-guiding plate (8) is provided with recesses on its upper inner side.

Technical Field

The invention relates to the technical field of printing, in particular to a printing machine convenient for ink scraping.

Background

Screen printers (screen printing machines) are common printing machines for printing characters and images, and generally comprise mechanisms for inking, stamping, conveying and the like. The working principle is as follows: the characters and images to be printed are made into printing plate, the printing plate is mounted on the screen printer, then the printing ink is coated on the position of the printing plate with characters and images by manual work or screen printer, and then the printing plate is directly or indirectly transferred onto the printing stock, so that the printed matter identical to the printing plate can be copied. The roller structure is a common structure of a screen printing machine, and mainly comprises a pair of roller bodies which synchronously rotate in opposite directions, namely a printing roller and a printing cylinder. The traditional printing roller has ink marks remained on the surface after printing, and the printing effect on the lower side of the printing roller is poor if the ink marks are not cleaned.

Disclosure of Invention

The present invention is directed to a printing machine with easy wiping, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a printing machine convenient for scraping ink comprises a printing machine body and two side columns arranged on the printing machine body, wherein the two side columns are connected with a printing roller through a connecting shaft, the printer body is provided with a liquid storage box, the side column is provided with a displacement component for driving the liquid storage box to move up and down, the liquid storage box is fixedly connected with a liquid guide plate, cleaning liquid is arranged in the liquid storage box, a rotating shaft is rotationally connected in the liquid storage box, the rotating shaft is provided with a rotating drum, the side end of the liquid storage box is provided with a driving component for driving the rotating shaft to rotate, a cavity is arranged in the rotary drum, a plurality of support columns are arranged in the cavity, a plurality of ink scraping components for scraping ink on the surface of the printing roller are uniformly and symmetrically arranged on the outer surface of the rotary drum, the rotary drum is provided with a cleaning assembly for cleaning the surface of the printing roller, and the side end of the liquid storage box is provided with a heat supply assembly for supplying hot gas to the cavity.

As a further scheme of the invention: the displacement assembly comprises guide rails and a sliding plate, the two guide rails are respectively connected with the two side columns, the two guide rails are jointly connected with the sliding plate in a sliding mode, and a liquid storage box is fixedly connected to the upper end of the sliding plate.

As a further scheme of the invention: the driving assembly comprises a case and a motor, the case is fixedly connected with the liquid storage box, the motor is arranged in the case, and the output end of the motor is fixedly connected with the rotating shaft.

As a further scheme of the invention: and a liquid drainage interface is arranged on the liquid storage box.

As a further scheme of the invention: the ink scraping assembly comprises a fixing column, connecting blocks, guide blocks, a first conveying channel, a second conveying channel, an ink scraping knife, a vertical block, a first bolt, a second bolt and threaded rods, the fixing columns are fixedly connected to the surface of the rotary drum, the connecting blocks are symmetrically arranged on two sides of each fixing column respectively, the guide blocks are fixedly connected to the upper ends of the two connecting blocks, the first conveying channel communicated with the cavity is arranged in each fixing column and the rotary drum, the second conveying channel communicated with the first conveying channel is arranged in each connecting block and the corresponding guide block, the ink scraping knife is connected with the vertical block through the first bolt, the vertical block is connected with the fixing columns through the second bolts, and the two threaded rods are in threaded connection with the fixing columns and the second bolts.

As a further scheme of the invention: the extension lines of the second transportation channels in the two guide blocks are superposed with the upper top end of the doctor blade.

As a further scheme of the invention: the cleaning assembly comprises a long column, a brush, a sliding groove, a spring, a third transportation channel, a hose and a fourth transportation channel, the long column is connected with the sliding groove on the rotary drum in a sliding mode, the top end, far away from the rotary drum, of the long column is provided with the brush, the top end, close to the rotary drum, of the long column is connected with the bottom of the sliding groove through the spring, the third transportation channel is arranged in the long column, the fourth transportation channel is communicated with the cavity in the rotary drum, and the fourth transportation channel is communicated with the third transportation channel through the hose.

As a further scheme of the invention: the heat supply assembly comprises a heat supply box, a heat pump and a conveying pipeline, the heat supply box is fixedly connected with the liquid storage box, the heat supply box is internally provided with the heat pump, the output end of the heat pump is communicated with one end of the conveying pipeline, and the other end of the conveying pipeline penetrates through the liquid storage box and is rotatably connected with the cavity wall of the cavity in the rotary drum.

As a further scheme of the invention: the inner side of the liquid guide plate is provided with a groove.

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

the rotating shaft is driven to rotate by the motor, the rotating drum on the rotating shaft is driven to rotate, and ink marks on the surface of the printing roller are cleaned by a doctor blade and a brush on the rotating drum; when the doctor blade scrapes the ink on the printing roller, the second transportation channel communicated with the first transportation channel in the guide block guides hot air in the cavity to the contact position of the doctor blade and the printing roller, so that the large particles on the printing roller can be prevented from wearing the doctor blade; the hot air in the third conveying channel in the long column not only dries the hairbrush but also dries the surface of the printing roller; the ink scraping knife and the fixing column can be detachably connected through connection work of the plurality of bolts, the threaded rod and the vertical column, and the worn ink scraping knife can be replaced conveniently.

Drawings

Fig. 1 is a schematic view of a printing press that facilitates wiping.

FIG. 2 is a side cross-sectional view of a reservoir in a printing press that facilitates wiping.

Fig. 3 is a schematic diagram of a driving assembly of a printing machine for facilitating ink scraping.

FIG. 4 is a schematic diagram of a heat supply assembly in a printing press that facilitates ink scraping.

Fig. 5 is a schematic diagram of a wiping assembly in a printing press to facilitate wiping.

FIG. 6 is a schematic diagram of a cleaning assembly for a printing press that facilitates wiping.

Fig. 7 is a three-dimensional schematic view of a reservoir in a printing press facilitating ink scraping.

In the figure: 1-printing machine body, 2-side column, 3-connecting shaft, 4-printing roller, 5-guide rail, 6-sliding plate, 7-liquid storage box, 8-liquid guide plate, 9-cleaning liquid, 10-liquid discharge port, 11-rotating shaft, 12-rotating drum, 13-cavity, 14-supporting column, 15-machine box, 16-motor, 17-heat supply box, 18-hot air pump, 19-conveying pipeline, 20-fixed column, 21-connecting block, 22-guiding block, 23-first conveying channel, 24-second conveying channel, 25-doctor blade, 26-vertical block, 27-first bolt, 28-second bolt, 29-threaded rod, 30-long column, 31-brush, 32-sliding chute, 33-spring, etc, 34-third transport channel, 35-hose, 36-fourth transport channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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.