Circuit board screen printing device

Abstract

The utility model discloses a circuit board silk-screen printing device which comprises a workbench, a first motor is fixedly connected to the lower end of the workbench, a containing disc is fixedly connected to an output shaft of the first motor, a plurality of containing grooves are formed in the surface of the containing disc, and a first electric push rod is fixedly connected to the lower end of the workbench. A top plate is fixedly connected to the upper end of the first electric push rod, a mounting frame is fixedly connected to the upper end of the workbench, a copper paste box is fixedly connected to the upper end of the mounting frame, a copper paste pump is fixedly connected to one side of the copper paste box, and a telescopic pipe is fixedly connected to one end of the copper paste pump; the upper end of the mounting frame is fixedly connected with a second electric push rod, and the lower end of the second electric push rod is fixedly connected with a mounting rod. And through the first motor, the containing disc and the multiple containing grooves, after circuit board printing is completed, the containing disc can be rotated, other circuit boards are rotated to the position below the sealing frame for printing treatment, the taking and placing time is saved, and the printing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board screen printing technical field, concretely is a kind of circuit board screen printing device. BACKGROUND

[0002] Technically requires printing a layer of copper paste on the top surface of the solder resist layer of substrate, after copper paste is dried, copper paste becomes conductive layer, and the conductive layer is an important component in circuit board.The screen printing device for printing copper paste on printed circuit board with application number "CN202122625239.6" can adjust the thickness of copper paste layer, improve the manufacturing efficiency of conductive layer, and is simple to operate for printing copper paste on printed circuit board.

[0003] But the above scheme when using, after printing is completed, the circuit board is taken down, and the circuit board to be printed is reinstalled to continue printing, the taking and placing process is time-consuming and laborious, and the printing efficiency is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of circuit board screen printing device, can be rotated placing disc by first motor, placing groove and several, after circuit board printing is completed, another circuit board is rotated to the sealing frame below, printing is handled, save taking and placing time, improve printing efficiency.

[0005] To achieve the above object, provide a kind of circuit board screen printing device, including workbench, the lower end of the workbench is fixedly connected with first motor, the output shaft of the first motor is fixedly connected with placing disc, the surface of the placing disc is equipped with several placing grooves, the lower end of the workbench is fixedly connected with first electric push rod, the upper end of the first electric push rod is fixedly connected with top plate;

[0006] The upper end of the workbench is fixedly connected with mounting bracket, the upper end of the mounting bracket is fixedly connected with copper paste tank, one side of the copper paste tank is fixedly connected with copper paste pump, one end of the copper paste pump is fixedly connected with telescopic pipe, the upper end of the mounting bracket is fixedly connected with second electric push rod, the lower end of the second electric push rod is fixedly connected with mounting rod, the lower surface of the mounting rod is equipped with mounting groove, the inside of the mounting groove is fixedly connected with second motor, the output shaft of the second motor is fixedly connected with threaded rod, the outer surface of the threaded rod is fixedly connected with threaded block, the lower end of the threaded block is fixedly connected with scraper, the lower end of the mounting rod is fixedly connected with sealing frame, the inside of the sealing frame is fixedly connected with screen.

[0007] According to the circuit board screen printing device, the mounting bracket is "L-shaped bracket".

[0008] According to the circuit board screen printing device, a bearing is fixedly connected to one side of the threaded rod, and the bearing is fixed to the side wall of the mounting groove.

[0009] According to the circuit board screen printing device, the upper end of the threaded block is slidably connected to the top wall of the mounting groove.

[0010] According to the circuit board screen printing device, the scraper is located above the screen.

[0011] According to the circuit board screen printing device, support legs are fixedly connected to the four corners of the lower end of the workbench.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. This circuit board screen printing device is equipped with a first motor, a placement plate and a plurality of placement slots. After the circuit board printing is completed, the placement plate can be rotated to rotate another circuit board to the bottom of the sealing frame for printing, thereby saving the placement time and improving the printing efficiency.

[0014] 2. This circuit board screen printing device is convenient for lifting the circuit board by providing a first electric push rod and a top plate, thereby making it convenient to take the circuit board.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a three-dimensional diagram of a circuit board screen printing device according to the present invention;

[0018] Figure 2 This is a cross-sectional view of a workbench and a placement tray of a circuit board screen printing device according to the present invention;

[0019] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of the structure at A in the middle;

[0020] Figure 4 This is a cross-sectional view of a mounting rod of a circuit board screen printing device according to the present invention.

[0021] In the figure: 1, workbench; 2, first motor; 3, placing disc; 4, first electric push rod; 5, top plate; 6, placing groove; 7, mounting frame; 8, copper paste box; 9, paste pump; 10, telescopic pipe; 11, second electric push rod; 12, mounting rod; 13, mounting groove; 14, second motor; 15, threaded rod; 16, threaded block; 17, bearing; 18, scraper; 19, sealing frame; 20, wire mesh; 21, supporting leg. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model embodiment provides a kind of technical scheme: a kind of circuit board screen printing device, including workbench 1, the lower end of workbench 1 is fixedly connected with first motor 2, first motor 2 is stepper motor, the output shaft of first motor 2 is fixedly connected with placing disc 3, the surface of placing disc 3 is equipped with several placing grooves 6, by being provided with first motor 2, placing disc 3 and several placing grooves 6, after circuit board printing is completed, it can rotate placing disc 3, so that another circuit board rotates to the below of sealing frame 19, is handled to print, save to take time, improve printing efficiency, the lower end of workbench 1 is fixedly connected with first electric push rod 4, the upper end of first electric push rod 4 is fixedly connected with top plate 5, by being provided with first electric push rod 4, top plate 5, it is convenient to lift circuit board, to further facilitate to take circuit board;

[0024] The upper end of workbench 1 is fixedly connected with mounting frame 7, the upper end of mounting frame 7 is fixedly connected with copper paste box 8, one side of copper paste box 8 is fixedly connected with copper paste pump 9, one end of copper paste pump 9 is fixedly connected with telescopic pipe 10, by being provided with copper paste pump 9, copper paste box 8, telescopic pipe 10, it is convenient to pour copper paste into the below of placing frame 19, the upper end of mounting frame 7 is fixedly connected with second electric push rod 11, the lower end of second electric push rod 11 is fixedly connected with mounting rod 12, the lower surface of mounting rod 12 is equipped with mounting groove 13, the inside of mounting groove 13 is fixedly connected with second motor 14, the output shaft of second motor 14 is fixedly connected with threaded rod 15, the outer surface of threaded rod 15 is threadedly connected with threaded block 16, the lower end of threaded block 16 is fixedly connected with scraper 18, the lower end of mounting rod 12 is fixedly connected with sealing frame 19, the inside of sealing frame 19 is fixedly connected with wire mesh 20, by being provided with second motor 14, threaded rod 15, threaded block 16, drive scraper 18 to move, and copper paste is closely printed on circuit board.

[0025] The mounting frame 7 is an "L-shaped frame", one side of the threaded rod 15 is fixedly connected with a bearing 17, facilitating rotation of the threaded rod 15, the bearing 17 is fixed to the side wall of the mounting groove 13, the upper end of the threaded block 16 is in sliding connection with the top wall of the mounting groove 13, the scraper 18 is above the wire mesh 20, and the lower end of the workbench 1 is fixedly connected with supporting legs 21 at four corners.

[0026] Working principle: in use, the power is turned on, the circuit board is placed in the placing groove 6, the first motor 2 is started, the first motor 2 drives the placing disc 3 to rotate, and then the circuit board is rotated to be below the sealing frame 19, the second electric push rod 11 is started, the second electric push rod 11 drives the mounting rod 12 to descend, and then drives the sealing frame 19 to descend, so that the sealing frame 19 descends above the placing disc 3, the sealing frame 19 contacts the placing disc 3 to realize sealing, the slurry pump 9 is started, the copper slurry in the copper slurry box 8 is quantitatively extracted and flows into the sealing frame 19 through the telescopic pipe 10, the second motor 14 is started, the second motor 14 drives the threaded rod 15 to rotate, the threaded rod 15 drives the threaded block 16 to move, the threaded block 16 drives the scraper 18 to move, and the copper slurry is closely printed on the circuit board, when printing, the circuit board in another placing groove 6 can be placed, so that the taking and placing time is saved, after printing, the first motor 2 is started to realize continuous printing, the first electric push rod 4 is started, the first electric push rod 4 drives the top plate 5 to rise, and the printed board is lifted for taking.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A circuit board screen printing apparatus comprising a table (1), characterized in that, The lower end of the workbench (1) is fixedly connected with a first motor (2), the output shaft of the first motor (2) is fixedly connected with a placing disc (3), the surface of the placing disc (3) is provided with a plurality of placing grooves (6), the lower end of the workbench (1) is fixedly connected with a first electric push rod (4), and the upper end of the first electric push rod (4) is fixedly connected with a top plate (5). The upper end of the workbench (1) is fixedly connected with a mounting frame (7), the upper end of the mounting frame (7) is fixedly connected with a copper paste box (8), one side of the copper paste box (8) is fixedly connected with a copper paste pump (9), one end of the copper paste pump (9) is fixedly connected with a telescopic pipe (10), the upper end of the mounting frame (7) is fixedly connected with a second electric push rod (11), the lower end of the second electric push rod (11) is fixedly connected with a mounting rod (12), the lower surface of the mounting rod (12) is provided with a mounting groove (13), the inside of the mounting groove (13) is fixedly connected with a second motor (14), the output shaft of the second motor (14) is fixedly connected with a threaded rod (15), the outer surface of the threaded rod (15) is threadedly connected with a threaded block (16), the lower end of the threaded block (16) is fixedly connected with a scraper (18), the lower end of the mounting rod (12) is fixedly connected with a sealing frame (19), and the inside of the sealing frame (19) is fixedly connected with a wire mesh (20).

2. A circuit board screen printing apparatus as claimed in claim 1, wherein: The mounting frame (7) is an "L-shaped frame".

3. A circuit board screen printing apparatus as claimed in claim 1, wherein: One side of the threaded rod (15) is fixedly connected with a bearing (17), and the bearing (17) is fixed to the side wall of the mounting groove (13).

4. A circuit board screen printing apparatus as claimed in claim 1, wherein: The upper end of the threaded block (16) is in sliding connection with the top wall of the mounting groove (13).

5. A circuit board screen printing apparatus as claimed in claim 1, wherein: The scraper (18) is located above the wire mesh (20).

6. A circuit board screen printing apparatus as claimed in claim 1, wherein: The lower end of the workbench (1) is fixedly connected with supporting feet (21) at four corners.

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