Soldering paste printing equipment

Abstract

The utility model relates to the field of printing equipment, and discloses soldering paste printing equipment which comprises a placing table, the placing table is fixed on the top face of a workbench, two guide rails are fixed on the top face of the workbench, a cleaning plate is fixed between sliding blocks of the two guide rails, an air outlet groove is formed in the bottom face of the cleaning plate, and the air outlet groove is formed in the top face of the workbench. Air outlet holes are formed in the left side and the right side of the cleaning plate respectively, air blowers are fixed to the left side and the right side of the cleaning plate respectively, a dust collection groove is formed in the bottom face of the cleaning plate, dust collection holes are formed in the left side and the right side of the cleaning plate respectively, and dust collectors are fixed to the left side and the right side of the cleaning plate respectively. According to the utility model, the guide rail, the cleaning plate, the blower, the dust collector and the connecting pipe are matched for use, so that floating dust and impurities on the upper surface of the PCB can be cleaned, the subsequent printing quality is improved, the surface of the PCB cannot be damaged at all, and the product integrity is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of printing equipment, specifically to a solder paste printing equipment. BACKGROUND

[0002] Printed circuit board, also known as printed circuit board, printed wiring board, commonly using English abbreviation PCB, is an important electronic component, is the support of electronic components, is the provider of electronic components circuit connection, that is, PCB blank after SMT, or after DIP plug-in whole process, PCBA, because it is made of electronic printing technology, it is called "printed" circuit board, before the appearance of printed circuit board, the interconnection between electronic components is directly connected by wire to form a complete circuit.

[0003] According to the patent with the announcement number CN220935387U, a kind of printing device for PCBA board processing, including device platform, the rear side of the device platform top is fixedly connected with fixed backplate, the top of the fixed backplate is fixedly connected with servo motor on both sides, the output end of the servo motor is fixedly connected with threaded rotating rod that penetrates to the inner chamber of fixed backplate, the surface of the threaded rotating rod is threadedly connected with movable pressing plate, the top of the movable pressing plate is fixedly connected with horizontal shift component, the inner side of the horizontal shift component is fixedly connected with printing mechanism.

[0004] In the above scheme, the surface of the PCB board is cleaned by the driving motor, the second telescopic rod, the swing rod and the cleaning brush plate, which causes the following disadvantages: the cleaning brush plate may damage the surface of the PCB board during use, thereby reducing the product quality. Utility model content

[0005] The utility model aims at providing a kind of solder paste printing equipment, to solve the problem that the cleaning brush plate may damage the surface of the PCB board during use of the printing device, thereby reducing the product quality.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions: a solder paste printing equipment, including placing table, the placing table is fixed on the top surface of workbench, the top surface of workbench is fixed with two guide rails, the slider between two guide rails is fixed with cleaning plate, the bottom surface of cleaning plate is provided with air outlet groove, the left side and the right side of cleaning plate are respectively provided with air outlet hole, two air outlet holes are respectively communicated with air outlet groove, the left side and the right side of cleaning plate are respectively fixed with air blower, the bottom surface of cleaning plate is provided with dust suction groove, the left side and the right side of cleaning plate are respectively provided with dust suction hole, two dust suction holes are respectively communicated with dust suction groove, the left side and the right side of cleaning plate are respectively fixed with dust collector, and the output end of two air blowers is fixed with connecting pipe.

[0007] Preferably, the top surface of the workbench is fixed with two support frames, the inner sides of the two support frames are respectively fixed with a plurality of first electric push rods, a movable pressing plate is movably arranged between the two support frames, one end of the telescopic rod of each first electric push rod is fixedly connected with the top surface of the movable pressing plate, a plurality of through holes are formed in the top surface of the movable pressing plate, two mounting frames are fixed on the top surface of the workbench, a moving frame is movably arranged between the two mounting frames, two support plates are respectively fixed on the top surfaces of the two mounting frames, a lead screw is rotatably arranged between the two support plates on the left side, a threaded hole is formed in the front side of the moving frame, the threaded hole is in threaded connection with the threaded end of the lead screw, a driving motor is fixed on the top surface of the mounting frame on the left side, the output shaft of the driving motor is fixedly connected with the front end of the lead screw, a second electric push rod is fixed on the bottom surface of the moving frame, a brush plate is fixed at one end of the telescopic rod of the second electric push rod, and a plurality of paste outlet pipes are fixed on the rear side of the brush plate.

[0008] Preferably, a limiting column is fixed between the two support plates on the right side, a limiting hole is formed in the front side of the moving frame, and the limiting column is slidably inserted into the limiting hole.

[0009] Preferably, a movable groove is formed in the top surface of the placing table, and two fixed plates are movably arranged in the movable groove.

[0010] Preferably, a third electric push rod is fixed on the front side and the rear side of the placing table respectively, one end of the telescopic rod of each third electric push rod penetrates through the placing table and extends into the movable groove, and the other end of the telescopic rod of each third electric push rod is fixedly connected with the outer side of each fixed plate.

[0011] Preferably, a rubber block is fixed on the inner side of each fixed plate.

[0012] Compared with the prior art, the solder paste printing device has the following beneficial effects:

[0013] One, in use, the worker first places the PCB to be printed on the top surface of the placement table, then starts the air blower to make the airflow pass through the connecting pipe into the air outlet slot, and blows down to the surface of the PCB, at the same time, the guide rail is started, the slider of the guide rail moves forward and backward, and the cleaning plate is adjusted forward and backward, so that the dust and impurities on the surface of the PCB can be blown away, and at the same time, the worker starts the dust collector, so that the blown dust and impurities are sucked into the dust collector through the dust suction slot and the connecting pipe, and collected, ensuring the cleanliness of the surface of the PCB. Through the cooperation of the guide rail, the cleaning plate, the air blower, the dust collector and the connecting pipe, the dust and impurities on the surface of the PCB can be cleaned, the subsequent printing quality is improved, and the surface of the PCB is not damaged, ensuring the integrity of the product;

[0014] Two, in use, through the cooperation of the driving motor and the screw rod, the moving frame moves forward and backward, and the brush paste plate moves forward and backward, extruding the solder paste to the surface of the PCB, completing the printing work of the solder paste, and realizing uniform smearing and accurate printing of the solder paste. Through the cooperation of the limiting column and the limiting hole, the moving frame is limited, preventing the moving frame and the brush paste plate from deviating, thereby improving the stability of the moving frame and the brush paste plate when moving, and ensuring the printing precision;

[0015] Three, in use, the two fixed plates are used to clamp and fix the PCB placed on the placement table by the worker, preventing the PCB from deviating when brushing the paste, thereby improving the stability when brushing the paste. By starting the third electric push rod, the fixed plate can move forward and backward, thereby adjusting the distance between the two fixed plates, so that PCBs of different sizes can be clamped and fixed, improving the flexibility and practicality of the equipment. When the fixed plate clamps the PCB, the rubber block is in close contact with the PCB. The softness and elasticity of the rubber block not only effectively protect the surface of the PCB from being damaged, but also provide better clamping effect and stability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of the embodiment.

[0017] Figure 2 It is an exploded view of the embodiment.

[0018] Figure 3 It is a sectional view of the cleaning plate in the embodiment.

[0019] Figure 4 It is an exploded view of the placement table and the fixed plate in the embodiment.

[0020] In the figure: 1, the placement table; 2, the workbench; 3, the guide rail; 4, the cleaning plate; 5, the air outlet groove; 6, the air outlet hole; 7, the air blower; 8, the dust suction groove; 9, the dust suction hole; 10, the dust collector; 11, the connecting pipe; 12, the support frame; 13, the first electric push rod; 14, the movable pressing plate; 15, the mounting frame; 16, the moving frame; 17, the support plate; 18, the lead screw; 19, the threaded hole; 20, the driving motor; 21, the second electric push rod; 22, the brush paste plate; 23, the paste outlet pipe; 24, the limiting column; 25, the limiting hole; 26, the movable groove; 27, the fixed plate; 28, the third electric push rod; 29, the rubber block. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present application will be described in detail below with reference to the drawings.

[0022] As Figures 1-4 shown, a solder paste printing device comprises a placement table 1 fixed on the top surface of a workbench 2, the top surface of the workbench 2 is fixed with two guide rails 3, the sliding blocks of the two guide rails 3 are fixed with a cleaning plate 4, the bottom surface of the cleaning plate 4 is provided with an air outlet groove 5, the left and right sides of the cleaning plate 4 are respectively provided with air outlet holes 6, the two air outlet holes 6 are respectively connected with the air outlet groove 5, the left and right sides of the cleaning plate 4 are respectively fixed with air blowers 7, the bottom surface of the cleaning plate 4 is provided with a dust suction groove 8, the left and right sides of the cleaning plate 4 are respectively provided with dust suction holes 9, the two dust suction holes 9 are respectively connected with the dust suction groove 8, the left and right sides of the cleaning plate 4 are respectively fixed with dust collectors 10, and the output ends of the two dust collectors 10 and the two air blowers 7 are respectively fixed with connecting pipes 11.

[0023] In use, the staff first places the PCB to be printed on the top surface of the placement table 1, then starts the air blower 7 to send the airflow to the air outlet groove 5 through the connecting pipe 11, and blows it down to the surface of the PCB, at the same time, starts the guide rail 3 to make the sliding blocks of the guide rail 3 move back and forth, thereby driving the cleaning plate 4 to adjust back and forth, so as to blow away the floating dust and impurities on the surface of the PCB, at the same time, the staff starts the dust collector 10 to make the blown floating dust and impurities sucked into the dust collector 10 through the dust suction groove 8 and the connecting pipe 11, and collects them, thereby ensuring the cleanliness of the surface of the PCB. Through the cooperation of the guide rail 3, the cleaning plate 4, the air blower 7, the dust collector 10 and the connecting pipe 11, the floating dust and impurities on the upper surface of the PCB can be cleaned, the subsequent printing quality is improved, and the surface of the PCB will not be damaged, thereby ensuring the product integrity.

[0024] As Figure 1 and Figure 2As shown, the top surface of the workbench 2 is fixed with two support frames 12, the inner side of the two support frames 12 is respectively fixed with a plurality of first electric push rods 13, a movable pressing plate 14 is movably arranged between the two support frames 12, one end of the telescopic rod of the plurality of first electric push rods 13 is respectively fixedly connected with the top surface of the movable pressing plate 14, a plurality of through holes are formed in the top surface of the movable pressing plate 14, two mounting frames 15 are fixed on the top surface of the workbench 2, a moving frame 16 is movably arranged between the two mounting frames 15, two support plates 17 are respectively fixed on the top surface of the two mounting frames 15, a lead screw 18 is rotatably arranged between the two support plates 17 on the left side, a threaded hole 19 is formed in the front side of the moving frame 16, the threaded hole 19 is threadedly connected with the threaded end of the lead screw 18, a driving motor 20 is fixed on the top surface of the mounting frame 15 on the left side, the output shaft of the driving motor 20 is fixedly connected with the front end of the lead screw 18, a second electric push rod 21 is fixed on the bottom surface of the moving frame 16, a paste brushing plate 22 is fixed on one end of the telescopic rod of the second electric push rod 21, a plurality of paste outlet pipes 23 are fixed on the rear side of the paste brushing plate 22.

[0025] In use, when the worker finishes cleaning the PCB board, the movable pressing plate 14 is moved downward by starting the first electric push rod 13, so that the bottom surface is tightly attached to the surface of the PCB board, then the paste brushing plate 22 is moved downward by the second electric push rod 21 to fit the inner cavity of the movable pressing plate 14, at the same time, the solder paste is extruded and falls into the through hole in the inner cavity of the movable pressing plate 14 through the paste outlet pipe 23, the moving frame 16 is moved forward and backward by the cooperation of the driving motor 20 and the lead screw 18, so as to drive the paste brushing plate 22 to move forward and backward, and the solder paste is extruded to the surface of the PCB board, the printing work of the solder paste is completed, and the uniform smearing and accurate printing of the solder paste are realized.

[0026] As shown in Figure 1 , Figure 2 and Figure 4 , the right side of the two support plates 17 is fixed with a limiting column 24, the front side of the moving frame 16 is provided with a limiting hole 25, the limiting column 24 is slidably inserted into the limiting hole 25, the top surface of the placing table 1 is provided with a movable groove 26, and the movable groove 26 is movably provided with two fixed plates 27.

[0027] In use, the cooperation of the limiting column 24 and the limiting hole 25 is beneficial to limiting the moving frame 16, preventing the moving frame 16 and the paste brushing plate 22 from deviating, thereby improving the stability of the moving frame 16 and the paste brushing plate 22 during movement, and ensuring the printing accuracy. The cooperation of the two fixed plates 27 is beneficial to clamping and fixing the PCB board after the worker places the PCB board on the placing table 1, preventing the PCB board from deviating during brushing of the paste, thereby improving the stability during brushing of the paste.

[0028] As shown in Figure 1 , Figure 2 andFigure 4 As shown, the front side and the rear side of the placement table 1 are respectively fixed with third electric push rods 28, one end of the telescopic rods of the two third electric push rods 28 respectively penetrates the placement table 1 and extends into the movable slot 26, and the one end of the telescopic rods of the two third electric push rods 28 is respectively fixedly connected with the outer side of the two fixed plates 27, and the inner side of the two fixed plates 27 is respectively fixed with rubber blocks 29.

[0029] In use, the third electric push rods 28 are started to move the fixed plates 27 forward and backward, thereby adjusting the distance between the two fixed plates 27, so as to clamp and fix the PCB boards of different sizes, improving the flexibility and practicability of the equipment. When the fixed plates 27 clamp the PCB board, the rubber blocks 29 are in close contact with the PCB board, and the softness and elasticity of the rubber blocks 29 can not only effectively protect the surface of the PCB board from being damaged, but also provide better clamping effect and stability.

[0030] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A solder paste printing apparatus comprising a placement stage (1) fixed to the top surface of a table (2), characterized in that, The top surface of the workbench (2) is fixed with two guide rails (3), the sliding blocks of the two guide rails (3) are fixed with a cleaning plate (4), the bottom surface of the cleaning plate (4) is provided with an air outlet groove (5), the left side and the right side of the cleaning plate (4) are respectively provided with an air outlet hole (6), the two air outlet holes (6) are respectively communicated with the air outlet groove (5), the left side and the right side of the cleaning plate (4) are respectively fixed with a hair dryer (7), the bottom surface of the cleaning plate (4) is provided with a dust suction groove (8), the left side and the right side of the cleaning plate (4) are respectively provided with a dust suction hole (9), the two dust suction holes (9) are respectively communicated with the dust suction groove (8), the left side and the right side of the cleaning plate (4) are respectively fixed with a dust collector (10), and the output ends of the two dust collectors (10) and the two hair dryers (7) are fixed with a connecting pipe (11).

2. The solder paste printing apparatus according to claim 1, characterized by: The top surface of the workbench (2) is fixed with two support frames (12), the inner sides of the two support frames (12) are respectively fixed with a plurality of first electric push rods (13), a movable pressing plate (14) is movably arranged between the two support frames (12), one end of the telescopic rod of each of the plurality of first electric push rods (13) is fixedly connected with the top surface of the movable pressing plate (14), a plurality of through holes are formed in the top surface of the movable pressing plate (14), two mounting frames (15) are fixed on the top surface of the workbench (2), a movable frame (16) is movably arranged between the two mounting frames (15), two support plates (17) are respectively fixed on the top surfaces of the two mounting frames (15), a lead screw (18) is rotatably arranged between the two support plates (17) on the left side, a threaded hole (19) is formed in the front side of the movable frame (16), the threaded hole (19) is in threaded connection with the threaded end of the lead screw (18), a driving motor (20) is fixed on the top surface of the mounting frame (15) on the left side, the output shaft of the driving motor (20) is fixedly connected with the front end of the lead screw (18), a second electric push rod (21) is fixed on the bottom surface of the movable frame (16), a plaster brushing plate (22) is fixed at one end of the telescopic rod of the second electric push rod (21), and a plurality of plaster outlet pipes (23) are fixed on the rear side of the plaster brushing plate (22).

3. The paste printing apparatus according to claim 2, characterized by: A limiting column (24) is fixed between the two support plates (17) on the right side, a limiting hole (25) is formed in the front side of the movable frame (16), and the limiting column (24) is slidably inserted into the limiting hole (25).

4. The paste printing apparatus according to claim 3, characterized by: A movable groove (26) is formed in the top surface of the placing table (1), and two fixed plates (27) are movably arranged in the movable groove (26).

5. The paste printing apparatus according to claim 1, characterized by: Third electric push rods (28) are respectively fixed on the front side and the rear side of the placing table (1), one end of the telescopic rod of each of the two third electric push rods (28) penetrates through the placing table (1) and extends into the movable groove (26), and the other end of the telescopic rod of each of the two third electric push rods (28) is fixedly connected with the outer side of each of the two fixed plates (27).

6. The paste printing apparatus according to claim 5, characterized by: Rubber blocks (29) are respectively fixed on the inner sides of the two fixed plates (27).

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