Panel surface color jet printing device

Abstract

The utility model discloses a panel surface color jet printing device, and relates to the technical field of panel surface printing, the panel surface color jet printing device comprises a conveyor frame, a plurality of conveying rollers are arranged in the conveyor frame, a support frame is arranged below the conveyor frame, and a plurality of conveying rollers are arranged on the support frame. The silk-screen printing mechanism is installed above the front end of the conveyor frame, the ink-jet printing mechanism is arranged behind the silk-screen printing mechanism and comprises a transmission frame, an ink box and an ink-jet head, the ink box is installed at the rear end of the transmission frame, belt wheels are installed in the two ends of the transmission frame, and the ink-jet head is installed at the rear end of the transmission frame. According to the scheme, the problems that an existing device is limited by the silk-screen printing technology, and printing of complex patterns and gradient colors is difficult to achieve are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to panel surface printing technical field, concretely to a panel surface color spray printing device. BACKGROUND

[0002] Screen printing refers to using a silk screen as a plate base and making a silk screen printing plate with graphics by a photosensitive method. Screen printing is composed of five elements, a silk screen printing plate, a squeegee, ink, a printing table and a printing material. It uses the basic principle that the graphic part of the silk screen printing plate can pass through ink, and the non-graphic part cannot pass through ink to print. When printing, ink is poured into one end of the silk screen printing plate, and a squeegee applies pressure to the ink part of the silk screen printing plate while moving at a constant speed to the other end of the silk screen printing plate. The ink is squeezed from the graphic part of the screen printing plate to the printing material by the squeegee. It is mainly used for printing various patterns on the surface of panels.

[0003] The existing panel printing device, such as the network equipment panel printing device with the announcement number CN210851660U, includes a rack, a table plate and a silk screen printing plate. The table plate is installed on the upper end face of the rack. The left end of the silk screen printing plate is hingedly installed on the left end face of the table plate. A handle is installed on the right end face of the silk screen printing plate. A guide rail is installed on the right end face of the table plate. A T-shaped rod is inserted into the guide rail. A connecting plate is installed on the right end of the T-shaped rod. A fastening bolt one is installed on the lower side of the right end face of the connecting plate. A sleeve is installed on the upper side of the left end face of the connecting plate. An extension rod is inserted into the sleeve. A fastening bolt two is installed on the upper side of the outer surface of the left end of the sleeve. A right-angle positioning frame is installed on the left end of the extension rod. A partition plate is installed on the upper end face of the table plate. Four insertion rods are installed on the lower end face of the partition plate. Blind holes are formed on the four corners of the upper end face of the table plate.

[0004] However, the existing device is limited by the screen printing process, making it difficult to achieve printing of complex patterns and gradual color changes. Therefore, we propose a panel surface color spray printing device to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a panel surface color spray printing device to solve the problem of the existing device being limited by the screen printing process and being difficult to achieve printing of complex patterns and gradual color changes.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a panel surface color spray printing device, the panel surface color spray printing device, including conveyer frame, the inside installation of conveyer frame has the conveying roller, and the conveying roller is provided with a plurality of, the below of conveyer frame is installed with support frame, the above of conveyer frame front end is installed with screen printing mechanism, the rear of screen printing mechanism is provided with inkjet printing mechanism, inkjet printing mechanism includes transmission frame, ink tank and inkjet head, the rear end of ink tank is installed in transmission frame, the inside of both ends of transmission frame is installed with pulley, and the both ends pulley is connected through transmission belt, the below of transmission frame one end is installed with step motor, and the output of step motor is connected with the pulley transmission of one end, transmission belt is installed with transmission block, the front end of inkjet head is installed in transmission block, and inkjet head is provided with four.

[0007] Preferably, the inkjet head bottom is provided with a plurality of conical orifices, and a high sensitivity resistor is installed at each conical orifice.

[0008] Preferably, the ink tank is provided with four ink cavities of cyan, magenta, yellow and black, and the four ink cavities are connected with the four inkjet heads through the ink supply mechanism and the hose respectively.

[0009] Preferably, the inside of the front end of the transmission frame is installed with a second guide column, and the transmission block is slidably connected with the second guide column.

[0010] Preferably, the screen printing mechanism comprises a support, a top plate, a hydraulic cylinder, a printing screen plate and a feeding seat, the support is installed at the four corners of the lower end of the top plate, and the top plate is connected with the conveyer frame through the support, the upper end of the top plate is installed with the hydraulic cylinder, the output end of the hydraulic cylinder penetrates and extends to the lower end of the top plate, and a connecting frame is installed, the printing screen plate is installed at the lower end of the connecting frame, one side of the upper end of the printing screen plate is installed with an electric guide rail, a scraper is installed on the sliding block of the electric guide rail, the feeding seat is installed at the rear of the connecting frame, a plurality of nozzles are installed on the lower surface of the front end of the feeding seat, and a feeding connector is installed on the upper end of the feeding seat.

[0011] Preferably, the other side of the upper end of the printing screen plate is installed with a first guide column, and the end of the scraper is slidably connected with the first guide column.

[0012] Preferably, the end of the conveying roller is drivingly connected through a chain wheel and chain belt mechanism, one side of the conveyer frame is installed with a belt drive mechanism, a servo motor is installed on the inner wall of one end of the belt drive mechanism, the output end of the servo motor is drivingly connected with one of the conveying rollers through the belt drive mechanism, and a plurality of shock-absorbing foot supports are installed at the lower end of the support frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1), the utility model discloses when printing, first through silk screen printing mechanism to print the base color or local character icon, utilize color inkjet printing to print the complex pattern and the gradual color after finishing, to ensure that pattern is fine, color is rich, and compared with the conventional silk screen printing, high flexibility, the device of existing solution is limited to silk screen printing process, and the printing of complex pattern and the gradual color is difficult to realize the problem.

[0015] (2), when silk screen printing, by roller conveyor to be delivered to the panel below the printing screen plate, to the hydraulic cylinder control connection frame and the printing screen plate after in place and move down, cover in the panel, after by feed pump to feed the pigment in the tank to the feed seat, rely on the nozzle on the feed seat and spray the appropriate pigment to the printing screen plate surface, again by electric guide rail control the scraper moves forward and backward, and the pigment is evenly scraped on the surface of the printing screen plate, thereby automatically complete silk screen printing work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the back structure schematic diagram of the utility model;

[0018] Figure 3 It is the silk screen printing mechanism structure schematic diagram of the utility model;

[0019] Figure 4 It is the inkjet printing mechanism structure schematic diagram of the utility model;

[0020] In the drawing: 1, conveyor frame;2, conveying roller;3, support frame;4, shock foot;5, belt drive mechanism;6, servo motor;7, silk screen printing mechanism;701, support;702, top plate;703, hydraulic cylinder;704, connection frame;705, printing screen plate;706, electric guide rail;707, first guide column;708, scraper;709, feed seat;710, feed connector;8, inkjet printing mechanism;801, transmission frame;802, stepper motor;803, ink cartridge;804, pulley;805, transmission belt;806, transmission block;807, inkjet head;808, second guide column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: a panel surface color spray printing device, the panel surface color spray printing device, including conveyer frame 1, the inside installation of conveyer frame 1 has conveying roller 2, and conveying roller 2 is provided with a plurality of, the below of conveyer frame 1 is installed with support frame 3, the above of conveyer frame 1 front end is installed with screen printing mechanism 7, the rear of screen printing mechanism 7 is provided with inkjet printing mechanism 8, inkjet printing mechanism 8 includes transmission frame 801, ink cartridge 803 and inkjet head 807, ink cartridge 803 is installed at the rear end of transmission frame 801, the inside of both ends of transmission frame 801 is installed with pulley 804, and both ends pulley 804 is connected through transmission belt 805, the below of transmission frame 801 one end is installed with step motor 802, and the output of step motor 802 is connected with the transmission of one end pulley 804, transmission belt 805 is installed with transmission block 806, inkjet head 807 is installed at the front end of transmission block 806, and inkjet head 807 is provided with four, the inside of transmission frame 801 front end is installed with second guide pillar 808, and transmission block 806 is connected with second guide pillar 808 slidingly, the end of conveying roller 2 is connected through sprocket chain drive mechanism, one side of conveyer frame 1 is installed with belt drive mechanism 5, the inner wall of belt drive mechanism 5 one end is installed with servo motor 6, and the output of servo motor 6 is connected with one conveying roller 2 through belt drive mechanism 5, and the below of support frame 3 is installed with a plurality of shock absorbing foot 4;

[0023] before use, the head end and the tail end of the conveyer frame 1 are respectively connected with the panel feeding conveying line and the panel discharging conveying line, the panel feeding conveying line is used to convey the panel to be processed to the conveyer frame 1, the conveying roller 2 is used to convey the panel to the screen printing mechanism 7 first, the screen printing mechanism 7 is used to print the base color or local text icon, after the printing is completed, the conveying roller 2 is used to convey the panel to the inkjet printing mechanism 8, the color inkjet printing is used to print the complex pattern and the gradient color, so that the pattern is fine and the color is rich, the screen printing mechanism 7 is not limited to the number shown in the figure, after the color inkjet printing, the screen printing mechanism 7 can be further arranged to perform the printing work of local color enhancement or functional coating, and the panel after the printing is completed is sent out by the panel discharging conveying line.

[0024] Further, the inkjet head 807 is provided with a plurality of conical nozzles, a high-sensitivity resistor is arranged at each conical nozzle, four ink cavities of cyan, magenta, yellow and black are arranged in the ink cartridge 803, and the four ink cavities are respectively connected with the four inkjet heads 807 through the ink supply mechanism and the hose, the cyan, the magenta and the yellow are complementary colors generated by mixing three primary colors, the three colors are matched with the black to adjust the color depth, so that the printing requirements of most colors can be met.

[0025] When ink needs to be jetted, the high-sensitivity resistor in the conical nozzle generates heat, causing the ink around the nozzle to evaporate and form a bubble, which is used to jet the ink out of the nozzle by the bubble's extrusion force, thus realizing ink jetting. During the ink jetting process, the ink jet head 807 is moved horizontally under the action of the stepping motor 802, the pulley 804 and the transmission belt 805, so as to adjust the horizontal position of the ink jetting, and the panel is stepped forward under the control of the conveying roller 2, so as to adjust the vertical position of the ink jetting, thus jetting the desired pattern. The color of the ink jetting is adjusted by the on-demand superposition of three complementary colors, for example, if a green pattern needs to be jetted, the superposition of cyan and yellow ink is used to realize the green pattern, and the depth of the green can be further adjusted by black.

[0026] Please refer to Figure 2 and Figure 3 The screen printing mechanism 7 comprises a support 701, a top plate 702, a hydraulic cylinder 703, a printing screen plate 705 and a supply seat 709. The support 701 is installed at the four corners of the lower end of the top plate 702, and the top plate 702 is connected with the conveying machine frame 1 through the support 701. The upper end of the top plate 702 is provided with the hydraulic cylinder 703, the output end of the hydraulic cylinder 703 penetrates and extends to the lower end of the top plate 702, and a connecting frame 704 is installed. The printing screen plate 705 is installed at the lower end of the connecting frame 704. The side of the upper end of the printing screen plate 705 is provided with an electric guide rail 706. The sliding block of the electric guide rail 706 is provided with a scraper 708. The supply seat 709 is installed at the rear of the connecting frame 704. The lower surface of the front end of the supply seat 709 is provided with a plurality of nozzles. The upper end of the supply seat 709 is provided with a supply joint 710. The other side of the upper end of the printing screen plate 705 is provided with a first guide column 707. The end of the scraper 708 is slidably connected with the first guide column 707.

[0027] During the screen printing, the panel waits to be moved to the lower side of the printing screen plate 705. The connecting frame 704 and the printing screen plate 705 are controlled to move downward by the hydraulic cylinder 703, and are pressed on the panel. Then, the pigment in the tank is supplied to the supply seat 709 by the supply pump. The nozzles on the supply seat 709 spray the appropriate amount of pigment to the surface of the printing screen plate 705. The electric guide rail 706 controls the forward and backward movement of the scraper 708, so that the pigment is uniformly scraped on the surface of the printing screen plate 705, and the screen printing work is automatically completed.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A device for surface painting of panels, comprising a conveyor frame (1), characterized in that: The inside of the conveyor frame (1) is mounted with conveying rollers (2), and the conveying rollers (2) are provided with a plurality of conveying rollers (2), the lower part of the conveyor frame (1) is mounted with a support frame (3), the upper part of the front end of the conveyor frame (1) is mounted with a screen printing mechanism (7), the rear part of the screen printing mechanism (7) is provided with an inkjet printing mechanism (8), the inkjet printing mechanism (8) comprises a transmission frame (801), a ink cartridge (803) and an inkjet head (807), the ink cartridge (803) is mounted at the rear end of the transmission frame (801), the inside of both ends of the transmission frame (801) is mounted with a belt pulley (804), the belt pulley (804) at both ends is connected through a transmission belt (805), the lower part of one end of the transmission frame (801) is mounted with a stepping motor (802), and the output end of the stepping motor (802) is in transmission connection with the belt pulley (804) at one end, the transmission belt (805) is mounted with a transmission block (806), the inkjet head (807) is mounted at the front end of the transmission block (806), and the inkjet head (807) is provided with four inkjet heads (807).

2. A device for printing a surface of a panel according to claim 1, characterized in that: The bottom of the inkjet head (807) is provided with a plurality of conical nozzles, and each conical nozzle is mounted with a high-sensitivity resistor.

3. A device for printing on the surface of a panel according to claim 1, characterized in that: The ink cartridge (803) is provided with four ink cavities of cyan, magenta, yellow and black, and the four ink cavities are connected with the four inkjet heads (807) through the ink supply mechanism and the hose respectively.

4. A device for printing on the surface of a panel according to claim 1, characterized in that: The inside of the front end of the transmission frame (801) is mounted with a second guide column (808), and the transmission block (806) is in sliding connection with the second guide column (808).

5. A device for printing on the surface of a panel according to claim 1, characterized in that: The screen printing mechanism (7) comprises a support (701), a top plate (702), a hydraulic cylinder (703), a printing screen (705) and a feeding seat (709), the support (701) is mounted at the four corners of the lower end of the top plate (702), and the top plate (702) is connected with the conveyor frame (1) through the support (701), the upper end of the top plate (702) is mounted with the hydraulic cylinder (703), the output end of the hydraulic cylinder (703) penetrates and extends to the lower end of the top plate (702), and is mounted with a connecting frame (704), the printing screen (705) is mounted at the lower end of the connecting frame (704), one side of the upper end of the printing screen (705) is mounted with an electric guide rail (706), the sliding block of the electric guide rail (706) is mounted with a scraper (708), the feeding seat (709) is mounted at the rear of the connecting frame (704), the lower surface of the front end of the feeding seat (709) is provided with a plurality of nozzles, and the upper end of the feeding seat (709) is mounted with a feeding connector (710).

6. A device for printing a surface of a panel according to claim 5, characterized in that: The other side of the upper end of the printing screen (705) is mounted with a first guide column (707), and the end of the scraper (708) is in sliding connection with the first guide column (707).

7. A device for printing on the surface of a panel according to claim 1, characterized in that: The end parts of the adjacent conveying rollers (2) are connected by a chain wheel chain belt mechanism, one side of the conveyor frame (1) is provided with a belt drive mechanism (5), a servo motor (6) is installed on the inner wall of one end of the belt drive mechanism (5), and the output end of the servo motor (6) is connected with one of the conveying rollers (2) through the belt drive mechanism (5), and a plurality of damping foot supports (4) are installed at the lower end of the support frame (3).

Images