Screen printing machine

Abstract

The utility model is suitable for the technical field of silk-screen printing, and provides a silk-screen printing machine which comprises a workbench, a silk-screen printing mechanism is arranged at the top end of the workbench, a printing arm mechanism is installed on the workbench, and a sliding scraper mechanism is installed on the printing arm mechanism. A PLC is arranged on the side, located on the screen printing mechanism, of the workbench and used for controlling all the mechanisms to work. The sliding scraping plate mechanism is installed on the printing arm mechanism, the printing arm mechanism can swing back and forth on the workbench to drive the sliding scraping plate mechanism on the upper portion to press downwards and conduct ink scraping operation on the screen printing plate mechanism on the lower portion, manual scraping is not needed, the labor intensity of workers is greatly reduced, automatic printing is achieved, and the printing efficiency is greatly improved; and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to screen printing, in particular to a screen printing machine. Background Art

[0002] Screen printing technology refers to the use of a silk screen as a base and the use of a photosensitive platemaking method to make a silk screen printing plate with images and texts. A silk screen printer is a device that can print text or patterns on the surface of a substrate. According to its printing method, it can be divided into flat screen printers, curved screen printers, rotary screen printers and electrostatic screen printers.

[0003] In existing screen printing machines, in order to ensure uniform ink scraping during scraping, manual scraping is usually required, which has high labor intensity and low automation. Utility Model Content

[0004] The utility model provides a screen printing machine, aiming to solve the problems of the existing screen printing machine that manual ink scraping is usually required to ensure uniform ink scraping during scraping by a scraper, the manual labor intensity is high and the automation degree is low.

[0005] The utility model is implemented as follows: a screen printing machine comprises a workbench, a screen printing mechanism is arranged on the top of the workbench, a printing arm mechanism is installed on the workbench, a sliding scraper mechanism is installed on the printing arm mechanism, a PLC controller is arranged on one side of the workbench located at the screen printing mechanism, and the PLC controller is used to control the operation of each mechanism.

[0006] The beneficial effect of adopting the above further solution is: no manual scraper is required, which greatly reduces the labor intensity of manual labor and also improves the printing effect and printing efficiency.

[0007] Preferably, the screen printing mechanism includes: a screen frame, one end of which is rotatably connected to the workbench via a bearing, a screen fixedly connected to the screen frame, a printing plate arranged directly below the screen, and a plurality of groups of limit bolts installed around the printing plate.

[0008] The beneficial effect of adopting the above further solution is that it is convenient to replace the printed part on the brushing plate below, wherein the limit bolts around the printed part can fix the printed part, greatly improving the printing effect.

[0009] Preferably, the printing arm mechanism includes: a motor, which is installed at the bottom of the workbench, a reducer is provided at the output end of the motor, a rocker is fixedly connected to the output end of the reducer, a connecting rod is connected to one end of the rocker facing away from the reducer, and the other end of the connecting rod is connected to the printing arm.

[0010] The beneficial effect of adopting the above further solution is that no manual scraping is required, which greatly reduces the labor intensity of manual labor.

[0011] Preferably, the printing arm is in an inverted L-shape, and the workbench is provided with brackets on both sides of the printing arm, and the top ends of the brackets are rotatably connected to the printing arm through bearings.

[0012] The beneficial effect of adopting the above further solution is that it is convenient to perform ink scraping operation on the bottom.

[0013] Preferably, the sliding scraper mechanism includes: a rodless cylinder, the rodless cylinder is installed at the top of the printing arm, a scraper mounting frame is installed on the output end of the rodless cylinder, two groups of scrapers are obliquely installed on the scraper mounting frame, and the two groups of scrapers are fixed by fixing bolts respectively.

[0014] The beneficial effect of adopting the above further solution is that the ink can be scraped back and forth, which greatly improves the printing effect.

[0015] Preferably, both ends of the rodless cylinder are respectively fixedly connected with a baffle.

[0016] The beneficial effect of adopting the above further solution is that it can shield the ink when the scraper is scraping the ink back and forth.

[0017] Preferably, feet are arranged around the bottom of the workbench.

[0018] The beneficial effect of adopting the above further solution is that it is convenient to improve the stability of the device.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: a screen printing machine of the utility model installs a sliding scraper mechanism on a printing arm mechanism, wherein the printing arm mechanism can swing back and forth on the workbench, driving the sliding scraper mechanism above to press down, and performing ink scraping operation on the screen printing mechanism below, without the need for manual scraping, greatly reducing the labor intensity of manual labor, and automatically printing, greatly improving printing efficiency, and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 for Figure 1 A side view structural schematic diagram of;

[0022] Figure 3 for Figure 1 Schematic diagram of the front view structure.

[0023] In the figure: 1. workbench; 2. screen printing mechanism; 21. screen frame; 22. screen; 23. printing plate; 24. limit bolt; 3. printing arm mechanism; 31. motor; 32. reducer; 33. rocker arm; 34. connecting rod; 35. printing arm; 4. sliding scraper mechanism; 41. rodless cylinder; 42. scraper mounting bracket; 43. scraper; 5. baffle; 6. PLC controller; 7. foot pad. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution for a screen printing machine: a screen printing machine, comprising a workbench 1, a screen printing mechanism 2 is arranged on the top of the workbench 1, a printing arm mechanism 3 is installed on the workbench 1, a sliding scraper mechanism 4 is installed on the printing arm mechanism 3, and a PLC controller 6 is arranged on one side of the workbench 1 located at the screen printing mechanism 2, and the PLC controller 6 is used to control the operation of each mechanism.

[0026] In this embodiment, a screen printing mechanism 2 is installed on the workbench 1 to perform screen printing on the printed part placed at the bottom, wherein the electrical appliances of each mechanism are electrically connected to the PLC controller 6, and the PLC controller 6 controls the normal operation of each mechanism. The sliding scraper mechanism 4 is installed on the printing arm mechanism 3, wherein the printing arm mechanism 3 can swing back and forth on the workbench 1, driving the sliding scraper mechanism 4 above to press down, and perform ink scraping operation on the screen printing mechanism 2 below, without the need for manual scraping, which greatly reduces the labor intensity of manual labor, and also improves the printing effect and printing efficiency.

[0027] Furthermore, the screen printing mechanism 2 comprises: a screen frame 21, one end of the screen frame 21 is rotatably connected to the workbench 1 through a bearing, a screen 22 is fixedly connected to the screen frame 21, a printing plate 23 is arranged directly below the screen 22, and a plurality of groups of limit bolts 24 are respectively installed around the printing plate 23.

[0028] In this embodiment, the screen printing mechanism 2 includes a screen frame 21, wherein the screen 22 is installed on the screen frame 21, and one end of the screen frame 21 is rotatably connected to the workbench 1 through a bearing. When the printed part needs to be replaced, the screen frame 21 can be lifted to replace the printed part on the brush plate 23 below, wherein the limit bolts 24 around the printed part 23 can fix the printed part, thereby greatly improving the printing effect.

[0029] Typically, the printing arm mechanism 3 includes a motor 31, which is installed at the bottom of the workbench 1. A reducer 32 is provided at the output end of the motor 31, a rocker 33 is fixedly connected to the output end of the reducer 32, a connecting rod 34 is connected to the end of the rocker 33 facing away from the reducer 32, and a printing arm 35 is connected to the other end of the connecting rod 34.

[0030] In this embodiment, the printing arm mechanism 3 includes: a motor 31, which is installed at the bottom of the workbench 1, wherein under the drive of the motor 31, the output end of the reducer 32 can drive the rocker arm 33 to rotate, thereby driving the connecting rod 34 to transmit, wherein the two ends of the connecting rod 34 are respectively mounted on the rocker arm 33 and one end of the printing arm 35, and the bottom of the printing arm 35 rotates inwardly under the drive of the connecting rod 35, driving the top of the printing arm 35 to press down, so that the sliding scraper mechanism 4 installed on the printing arm 35 can scrape ink from the screen printing mechanism 2 below, without the need for manual scraping, which greatly reduces the labor intensity of manual labor.

[0031] Specifically, the printing arm 35 is in an inverted L-shape, and the workbench 1 is provided with brackets on both sides of the printing arm 35, and the top of the bracket is rotatably connected to the printing arm 35 through a bearing.

[0032] In this embodiment, an inverted L-shaped printing arm 35 is provided, wherein both sides of the printing arm 35 are rotatably connected via bearings on a bracket, so that when the bottom connecting rod 34 abuts, the top end of the printing arm 35 is pressed downward, thereby facilitating ink scraping operations below.

[0033] In addition, the sliding scraper mechanism 4 includes: a rodless cylinder 41, which is installed at the top of the printing arm 35, and a scraper mounting frame 42 is installed on the output end of the rodless cylinder 41, on which two groups of scrapers 43 are obliquely installed, and the two groups of scrapers 43 are fixed by fixing bolts respectively.

[0034] In this embodiment, a rodless cylinder 41 is installed on the top of the printing arm 35, and a scraper mounting bracket 42 is installed on the output end of the rodless cylinder 41. After the printing arm 35 is pressed down, it can be driven by the rodless cylinder 41 to drive the scraper 43 on the scraper mounting bracket 42 to scrape the ink on the screen 22 below. The ink can be scraped back and forth, which greatly improves the printing effect.

[0035] In addition, a baffle 5 is fixedly connected to both ends of the rodless cylinder 41.

[0036] In this embodiment, a baffle 5 is installed at both ends of the rodless cylinder 41, so as to shield the ink when the scraper 43 scrapes the ink back and forth.

[0037] It should be noted that feet 7 are arranged around the bottom of the workbench 1 .

[0038] In this embodiment, by installing feet 7 around the bottom of the workbench 1, the stability of the device can be improved.

[0039] The working principle and use process of the utility model: After the utility model is installed, an external power supply is connected to power the device, and the PLC controller 6 is used to control the normal operation of each mechanism to ensure the normal operation of the device. By lifting the screen frame 21, the printed part on the brush plate 23 below is replaced, wherein the limit bolts 24 around the printed part 23 can fix the printed part, and under the drive of the motor 31, the output end of the reducer 32 can drive the rocker arm 33 to rotate, thereby driving the connecting rod 34 to transmit, wherein the two ends of the connecting rod 34 are respectively mounted on one end of the rocker arm 33 and the printing arm 35, and the bottom of the printing arm 35 rotates inwardly driven by the connecting rod 35, driving the top end of the printing arm 35 to press down, and can be driven by the rodless cylinder 41 to drive the scraper 43 on the scraper mounting frame 42 to scrape the ink on the screen 22 below, and the above completes a use process of a screen printing machine.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A screen printing machine, characterized in that: The invention comprises a workbench (1), wherein a screen printing mechanism (2) is arranged at the top of the workbench (1), a printing arm mechanism (3) is installed on the workbench (1), a sliding scraper mechanism (4) is installed on the printing arm mechanism (3), and a PLC controller (6) is arranged on one side of the workbench (1) located on the screen printing mechanism (2), and the PLC controller (6) is used to control the operation of each mechanism; The printing arm mechanism (3) comprises: a motor (31), the motor (31) being mounted at the bottom of the workbench (1), a reducer (32) being arranged at the output end of the motor (31), a swing rod (33) being fixedly connected to the output end of the reducer (32), a connecting rod (34) being connected to one end of the swing rod (33) away from the reducer (32), and a printing arm (35) being connected to the other end of the connecting rod (34); The printing arm (35) is in an inverted L-shape, and the workbench (1) is provided with brackets on both sides of the printing arm (35), and the top end of the brackets is rotatably connected to the printing arm (35) via bearings.

2. A screen printing machine according to claim 1, characterized in that: The screen printing mechanism (2) comprises: a screen frame (21), one end of the screen frame (21) is rotatably connected to the workbench (1) via a bearing, a screen (22) is fixedly connected to the screen frame (21), a printing plate (23) is arranged directly below the screen (22), and a plurality of groups of limit bolts (24) are respectively installed around the printing plate (23).

3. A screen printing machine according to claim 1, characterized in that: The sliding scraper mechanism (4) comprises: a rodless cylinder (41), the rodless cylinder (41) is installed at the top end of the printing arm (35), a scraper mounting frame (42) is installed on the output end of the rodless cylinder (41), two groups of scrapers (43) are obliquely installed on the scraper mounting frame (42), and the two groups of scrapers (43) are respectively fixed by fixing bolts.

4. A screen printing machine according to claim 3, characterized in that: Both ends of the rodless cylinder (41) are fixedly connected to a baffle (5).

5. The screen printing machine according to claim 1, characterized in that: The bottom of the workbench (1) is provided with feet (7) around it.

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