CN201913872U - A fully automatic solder paste printing machine - Google Patents

Abstract

The utility model discloses a fully automatic solder paste printing machine, which comprises a frame, a plate feeding device arranged on the frame, a working platform lifted in a vertical direction, an adjustable screen frame arranged above the working platform and an adjusting device for adjusting the position of the adjustable screen frame, wherein the adjusting device connects the adjustable screen frame and the frame. The utility model has the advantages of simple structure, low cost, low difficulty in aligning plates, fast adjustment speed and high precision.

Description

A fully automatic solder paste printing machine

technical field

The utility model relates to the technical field of solder paste printing equipment for PCB boards, in particular to a fully automatic solder paste printing machine.

Background technique

In the prior art, the solder paste printing equipment for PCB board (printed circuit board) includes a working platform and a screen frame. Board alignment is required. At present, solder paste printing equipment realizes board alignment by adjusting the position of the working platform in the X and Y directions. The volume and weight of the working platform are large, and the driving force required to drive the working platform is relatively large. The board is more difficult, the precision is lower, the speed is slower, the structure is complicated, and the cost is higher. Therefore, the prior art solder paste printing equipment needs to be improved.

Contents of the invention

The purpose of this utility model is to provide a fully automatic solder paste printing machine for the deficiencies of the prior art, which has a simple structure, low cost, low difficulty in board alignment, fast adjustment speed and high precision.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

A fully automatic solder paste printing machine, including a frame body, a plate feeding device arranged on the frame body, a working platform that lifts in the vertical direction, an adjustable screen frame set above the working platform, and a position for adjusting the adjustable screen frame The adjustment device, the adjustment device is connected to the adjustable screen frame and the frame body.

The first side of the adjustable screen frame is provided with two adjustment devices, and the second side is provided with at least one adjustment device. The X direction and the inclination angle can be adjusted through the two adjustment devices on the first side. The side adjustment device adjusts the Y direction.

The adjustment device includes a linear motor, the main body of the linear motor is fixed on the frame body, and the output shaft of the linear motor is connected to the adjustable screen frame.

The adjusting device includes a linear motor and a spring. The adjustable screen frame is provided with a baffle plate. The main body of the linear motor is fixed on the frame body. The output shaft of the linear motor is against the baffle plate of the adjustable screen frame. The first end of the spring is connected to the The baffle plate and the second end are connected to the frame body or the linear motor.

The automatic solder paste printing machine also includes a free floating device for carrying the adjustable screen frame, and the free floating device connects the adjustable screen frame and the frame body.

The free-floating device includes recesses on the frame, balls and a support plate fixed on the adjustable screen frame. The balls are accommodated in the recesses, and the top of the balls protrudes from the opening of the recesses. The support plate presses Place on top of the ball.

The bottom of the working platform is provided with a lifting platform, the lifting platform is fixed on the frame body, the working platform is fixed on the top of the lifting platform, the inside of the working platform is provided with a vacuum chamber, and the upper surface of the working platform is provided with a vacuum suction hole. The suction hole communicates with the vacuum chamber, and the vacuum chamber of the working platform is provided with a vacuum cover for connecting the vacuum device.

The plate feeding device includes a moving guide rail and a static guide rail arranged in parallel, and the static guide rail and the moving guide rail are respectively provided with a board feeding conveyor belt, a board stopping conveyor belt and a board discharging conveyor belt in sequence along the board feeding direction, and the moving guide rail and the static guide rail are respectively provided with a board feeding conveyor belt. The motor, the board-stop conveying motor and the board-out conveying motor, the board-feeding conveyor belt is connected with the board-feeding motor, the board-stopping conveyor belt is connected with the board-stopping motor, and the board-out conveyor belt is connected with the board-out conveying motor.

The frame body is fixed with a moving guide rail slide rail, the moving guide rail slide rail is perpendicular to the moving guide rail, the moving guide rail is overlapped with the moving guide rail slide rail, the frame body is provided with a motor, a timing belt, a screw rod and a screw socket, and the motor is fixed on the frame body, the screw base is fixed on the moving guide rail, the motor is connected to the timing belt, the timing belt is connected to the screw rod, and the screw rod and the screw base are driven in cooperation.

Beneficial effects of the utility model: the utility model includes a frame body, a plate-feeding device arranged on the frame body, a working platform lifting in the vertical direction, an adjustable screen frame arranged above the working platform, and a frame for adjusting the adjustable screen frame. The position adjustment device is connected with the adjustable screen frame and the frame body. The utility model has the advantages of simple structure, low cost, low difficulty in board alignment, fast adjustment speed and high precision.

Description of drawings

Fig. 1 is a structural schematic diagram of a fully automatic solder paste printing machine of the present invention.

Fig. 2 is a structural schematic diagram of the working platform and the lifting platform of the present invention.

Fig. 3 is an exploded schematic view of the working platform of the present invention.

Fig. 4 is a structural schematic diagram of the adjustable screen frame arranged on the frame body of the present invention.

Fig. 5 is a structural schematic diagram of the board feeding device of the present invention.

In the figure: 1—frame, 2—working platform, 3—adjustable screen frame, 4—linear motor, 5—baffle, 6—support plate, 7—lifting platform, 8— Vacuum suction hole, 9—vacuum cover, 10—moving guide rail, 11—moving guide rail slide rail, 12—static guide rail, 13—infeed board conveyor belt, 14—stop board conveyor belt, 15—outboard board conveyor belt , 16——Incoming plate conveying motor, 17——Stop plate conveying motor, 18——Outboard conveying motor.

Detailed ways

The embodiment of a fully automatic solder paste printing machine of the present utility model is shown in Figures 1 to 5, including a frame body 1, a plate feeding device arranged on the frame body 1, a working platform 2 that moves up and down in the An adjustable screen frame 3 above the platform 2 and an adjustment device for adjusting the position of the adjustable screen frame 3 , the adjustment device connects the adjustable screen frame 3 and the frame body 1 .

During board alignment, the utility model adjusts the position of the adjustable screen frame 3 in the X direction and the Y direction and the inclination angle of the adjustable screen frame 3 through the adjustment device, and does not need to adjust the working platform 2 in the X direction and Y direction when the board is aligned. The position of the direction and the inclination angle of the adjustable screen frame 3, the volume and weight of the adjustable screen frame 3 are small, the volume and weight of the working platform 2 are large, and the driving force required to drive the adjustable screen frame 3 is much smaller than that of the working platform 2 The required driving force, the utility model not only has a simple structure and reduces equipment cost, but also requires a small driving force when aligning the boards, and the adjustment speed is fast and the adjustment accuracy is high.

The first side of the adjustable screen frame 3 is provided with two adjustment devices, and the second side is provided with at least one adjustment device. The X direction and the inclination angle can be adjusted through the two adjustment devices on the first side. The adjustment device adjusts the Y direction.

In a preferred embodiment, the first side of the adjustable screen frame 3 is provided with two adjustment devices, and the second side is provided with one adjustment device.

In another preferred embodiment, the first side of the adjustable screen frame 3 is provided with two adjustment devices, and the second side is provided with two adjustment devices.

In a preferred embodiment, the adjustment device includes a linear motor 4 and a spring. The adjustable screen frame 3 is provided with a baffle 5. The main body of the linear motor 4 is fixed on the frame body 1, and the output shaft of the linear motor 4 is against the adjustable screen. The baffle 5 of the frame 3 , the first end of the spring is connected to the baffle 5 , and the second end is connected to the frame body 1 or the linear motor 4 .

The utility model adjusts the position of the adjustable screen frame 3 in the X direction by adjusting the output shafts of the two linear motors 4 on the first side of the adjustable screen frame 3 to have the same amount of extension.

The utility model adjusts the inclination angle of the adjustable screen frame 3 by adjusting the output different output shafts of the two linear motors 4 on the first side of the adjustable screen frame 3 .

The utility model adjusts the position of the adjustable screen frame 3 in the Y direction by adjusting the extension of the output shaft of the linear motor 4 on the second side of the adjustable screen frame 3 .

The utility model adjusts the adjustable screen frame 3 by adjusting the extension of the output shafts of the two linear motors 4 on the first side of the adjustable screen frame 3 and the output shaft of the linear motor 4 on the second side. The position in the X direction and the Y direction and the inclination angle of the screen frame 3 can be adjusted.

The automatic solder paste printing machine also includes a free floating device for carrying the adjustable screen frame 3 , the free floating device is arranged on the side of the adjustable screen frame 3 , and the free floating device connects the adjustable screen frame 3 and the frame body 1 . In a preferred embodiment, free floating devices are provided on two opposite sides of the adjustable screen frame 3, and two free floating devices are provided on each side.

The free-floating device includes a cavity set on the frame body 1, balls and a support plate 6 fixed on the adjustable screen frame 3, the balls are accommodated in the cavity, and the top of the ball protrudes from the opening of the cavity, and the support plate 6 Press on top of the ball. The adjustable screen frame 3 is carried by the free floating device, so that the adjustable screen frame 3 floats at a set horizontal position, the structure is simple, the driving force required for adjusting the position of the adjustable screen frame 3 is small, and the adjustment speed is fast.

In another preferred embodiment, the adjustment device includes a linear motor 4 , the main body of the linear motor 4 is fixed on the frame body 1 , and the output shaft of the linear motor 4 is connected to the adjustable screen frame 3 .

The bottom of the working platform 2 is provided with a lifting platform 7, the lifting platform 7 is fixed on the frame body 1, the working platform 2 is fixed on the top of the lifting platform 7, the inside of the working platform 2 is provided with a vacuum chamber, and the upper surface of the working platform 2 is opened There are vacuum suction holes 8, which are connected to the vacuum chamber, and the vacuum chamber of the working platform 2 is provided with a vacuum cover 9 for connecting a vacuum device. The workbench has the function of absorbing the PCB board, and there is no need to set up an independent vacuum adsorption device. The structure is simple, the action is reliable, and the equipment cost is reduced.

The plate feeding device includes a moving guide rail 10 and a static guide rail 12 arranged in parallel, and the static guide rail 12 and the moving guide rail 10 are respectively provided with a board feeding conveyor belt 13, a board stopping conveyor belt 14 and a board feeding conveyor belt 15 along the board feeding direction, and the moving guide rail 10 and the static guide rail 12 is respectively provided with the plate-feeding conveying motor 16, the plate-stopping conveying motor 17 and the plate-out conveying motor 18, the plate-feeding conveyor belt 13 is connected with the plate-feeding motor 16, the plate-stopping conveyor belt 14 is connected with the plate-stopping conveying motor 17, and the plate-out conveyor belt 15 is connected with the plate-out conveying motor 17. Plate transport motor 18 . The board feeding device is a three-stage design, which controls the board feeding, stopping and board output of the PCB board separately to improve production efficiency.

The frame body 1 is fixed with a moving guide rail slide rail 11, the moving guide rail slide rail 11 is perpendicular to the moving guide rail 10, the moving guide rail 10 is overlapped with the moving guide rail slide rail 11, and the frame body 1 is provided with a motor, a timing belt, a screw rod and a screw nut seat , the motor is fixed on the frame body 1, the screw nut seat is fixed on the moving guide rail 10, the motor is connected to the timing belt, the timing belt is connected to the screw mandrel, and the screw mandrel and the screw nut seat are driven and matched. The static guide rail 12 is stationary, and the movable guide rail 10 slides along the movable guide rail slide rail 11 to adapt to PCB boards of different widths.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (9)

1. full-automatic stencil printing machine, comprise support body (1), be arranged at the workbench (2) that advances panel assembly and vertically lifting of support body (1), it is characterized in that: the adjusting device that also comprises the adjustable screen frame (3) that is arranged at workbench (2) top and be used to regulate the position of adjustable screen frame (3), adjusting device connects adjustable screen frame (3) and support body (1).

2. a kind of full-automatic stencil printing machine according to claim 1, it is characterized in that: the first side of described adjustable screen frame (3) is provided with two adjusting devices, second sides and is provided with at least one adjusting device, two adjusting devices by the first side are regulated directions X, inclination angle, regulate the Y direction by the adjusting device of second side.

3. a kind of full-automatic stencil printing machine according to claim 2 is characterized in that: described adjusting device comprises line motor (4), and the main body of line motor (4) is fixed in support body (1), and the output shaft of line motor (4) connects adjustable screen frame (3).

4. a kind of full-automatic stencil printing machine according to claim 2, it is characterized in that: described adjusting device comprises line motor (4) and spring, adjustable screen frame (3) is provided with baffle plate (5), the main body of line motor (4) is fixed in support body (1), the output shaft of line motor (4) is resisted against the baffle plate (5) of adjustable screen frame (3), and first end of spring connects baffle plate (5), second end connects support body (1) or line motor (4).

5. according to the described a kind of full-automatic stencil printing machine of one of claim 1 to 4, it is characterized in that: described full-automatic stencil printing machine also comprises the free floating device that is used to carry adjustable screen frame (3), and the free floating device connects adjustable screen frame (3) and support body (1).

6. a kind of full-automatic stencil printing machine according to claim 5, it is characterized in that: described free floating device comprises the gripper shoe (6) that is opened in depression, the ball on the support body (1) and is fixed in adjustable screen frame (3), ball is placed in the depression, and stretch out from the opening part of depression at the top of ball, and gripper shoe (6) is pressed on the top of ball.

7. a kind of full-automatic stencil printing machine according to claim 6, it is characterized in that: the below of described workbench (2) is provided with lifting platform (7), lifting platform (7) is fixed in support body (1), workbench (2) is fixed in the top of lifting platform (7), the inside of workbench (2) is provided with and vacuumizes inner chamber, the upper surface of workbench (2) offers vacuum and inhales hole (8), vacuum is inhaled hole (8) connection and is vacuumized inner chamber, and vacuumizing of workbench (2) is provided with the vacuum (-tight) housing (9) that is used to connect vacuum extractor in the inner chamber.

8. a kind of full-automatic stencil printing machine according to claim 7, it is characterized in that: describedly advance panel assembly and comprise moving guide rail (10) and the quiet guide rail (12) that be arranged in parallel, quiet guide rail (12) and moving guide rail (10) set gradually into plate conveyer belt (13) along advancing the plate direction respectively, trading halt conveyer belt (14) and ejecting plate conveyer belt (15), moving guide rail (10) and quiet guide rail (12) are respectively arranged with into, and plate transmits motor (16), trading halt transmits motor (17) and ejecting plate transmits motor (18), advance plate conveyer belt (13) and connect to advance plate transmission motor (16), trading halt conveyer belt (14) connects trading halt and transmits motor (17), and ejecting plate conveyer belt (15) connects ejecting plate and transmits motor (18).

9. a kind of full-automatic stencil printing machine according to claim 8, it is characterized in that: described support body (1) is fixed with moving guide rail slide rail (11), moving guide rail slide rail (11) is perpendicular to moving guide rail (10), moving guide rail (10) is overlapped in moving guide rail slide rail (11), and support body (1) is provided with motor, synchronous band, screw mandrel and nut seat, and motor is fixed in support body (1), nut seat is fixed in moving guide rail (10), motor connects band synchronously, and band connects screw mandrel synchronously, and screw mandrel cooperates with the nut seat transmission.

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