Lifting silk screen assembly of printing machine

Abstract

The utility model discloses a lifting silk screen assembly of a printing machine, which comprises a silk screen mounting seat and two side edge supports, lifting servo motors are mounted at the upper ends of the side edge supports, the driving ends of the lifting servo motors are connected with lifting screw rods, lifting plates are connected to two sides of the silk screen mounting seat, lifting nuts are fixed on the outer sides of the lifting plates, and lifting screws are fixed on the lifting screw rods. The lifting lead screw is in threaded transmission connection with the lifting screw nut, and the lifting plate slides on the side support in the vertical direction. According to the lifting silk screen assembly of the printing machine, lifting motion is controlled on the two sides of the silk screen installation base at the same time in the mode that the servo motor drives the lead screw, the lifting structure of an existing large supporting assembly is changed, space is saved, the manufacturing cost is reduced, and the lifting control efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screen lifting, in particular to a lifting screen component of a printing press. Background Art

[0002] When screen printing is performed, after the silicon wafer is under the screen, it is necessary to control the screen mounting seat with the screen to move downward and press the scraper on the screen to perform printing. The conventional structure for controlling the lifting of the screen is installed under the large platform, and the splines (or sleeves) at the four corners are driven to lift and lower by the horizontal synchronous wheel, such as a double-wafer and double-printing silicon wafer printer with application number 202121833936.4, paragraphs 74-76 of the specification; a laser transfer machine and its transfer method with application number 202310529512.6, paragraph 60 of the specification. This type of structure occupies a large space and takes a long time to lift and lower, which is not convenient for fast and efficient production. Utility Model Content

[0003] One purpose of the utility model is to provide a lifting screen assembly for a printing press, wherein side brackets are installed on both sides of a screen mounting seat, and a synchronous servo motor drives a lead screw to control the rapid up and down movement of the screen, thereby saving space for the overall equipment.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A lifting screen assembly of a printing press comprises a screen mounting seat and two side brackets, a lifting servo motor is mounted on the upper end of the side bracket, a lifting screw is connected to the driving end of the lifting servo motor, lifting plates are connected on both sides of the screen mounting seat, a lifting nut is fixed to the outer side of the lifting plate, the lifting screw is threadedly connected to the lifting nut, and the lifting plate slides on the side brackets along the vertical direction.

[0006] As a preferred technical solution, a lifting rail is installed on the side bracket, a lifting slider is fixed on the outer side of the lifting plate, and the lifting slider slides on the lifting rail.

[0007] As a preferred technical solution, L-shaped support seats are fixed to the lower ends of both sides of the wire mesh mounting seat, and the outer sides of the L-shaped support seats are fixedly connected to the lifting plate.

[0008] As a preferred technical solution, reinforcing ribs are integrally formed on the inner side of the L-shaped support seat.

[0009] As a preferred technical solution, a supporting bolt is provided at the lower end of the lifting plate, and the supporting bolt passes through the lower end of the lifting plate and is threadedly connected to the lower end of the L-shaped supporting seat.

[0010] As a preferred technical solution, a sensing sheet is fixed on one side of the lifting plate, a signal sensor is fixed on the side bracket, and the signal sensor is connected to the sensing sheet signal.

[0011] As a preferred technical solution, the upper end of the side bracket and the lower end of the side bracket are both installed with screw bearings, and the two ends of the lifting screw are connected to the screw bearings.

[0012] As a preferred technical solution, it includes a marble platform, and the two side brackets are respectively installed on both sides of the marble platform.

[0013] The beneficial effects of the utility model are: providing a lifting screen assembly of a printing machine, which controls the lifting movement on both sides of the screen mounting seat at the same time by means of a servo motor driving a lead screw, thereby changing the lifting structure of the existing large support assembly, saving space, reducing manufacturing costs, and improving the efficiency of lifting control. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described in detail below based on the drawings and embodiments.

[0015] Figure 1 It is a combined structural diagram of the wire mesh mounting base and the side bracket described in the embodiment;

[0016] Figure 2 It is a combined structural diagram of the side bracket and the marble platform described in the embodiment;

[0017] Figure 3 It is a first structural diagram of the side bracket described in the embodiment;

[0018] Figure 4 This is a second structural diagram of the side bracket described in the embodiment.

[0019] Figures 1 to 4 middle:

[0020] 1. Wire mesh mounting seat; 2. Side bracket; 3. Lifting servo motor; 4. Lifting screw; 5. Lifting plate; 6. Lifting slide rail; 7. Lifting slider; 8. L-shaped support seat; 9. Reinforcement rib; 10. Support bolt; 11. Induction sheet; 12. Signal sensor; 13. Screw bearing; 14. Marble platform. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0022] like Figures 1 to 4As shown, in this embodiment, a lifting screen assembly of a printing machine includes a screen mounting seat 1, two side brackets 2 and a marble platform 14, the two side brackets 2 are respectively installed on both sides of the marble platform 14, a lifting servo motor 3 is installed on the upper end of the side bracket 2, and the driving end of the lifting servo motor 3 is connected to a lifting screw 4, the upper end of the side bracket 2 and the lower end of the side bracket 2 are both installed with screw bearings 13, the two ends of the lifting screw 4 are connected to the screw bearings 13, both sides of the screen mounting seat 1 are connected with lifting plates 5, the outer side of the lifting plate 5 is fixed with a lifting gong nut, the lifting screw 4 is threadedly connected to the lifting gong nut, the lifting plate 5 slides on the side bracket 2 along the vertical direction, the side bracket 2 is installed with a lifting slide rail 6, the outer side of the lifting plate 5 is fixed with a lifting slider 7, and the lifting slider 7 slides on the lifting slide rail 6.

[0023] There is a position for placing silicon wafers on the marble platform 14. After the silicon wafers are positioned, the side bracket 2 starts working, and the lifting servo motor 3 starts to control the lifting screw 4 to rotate on the upper and lower screw bearings 13, driving the lifting plate 5 with the lifting gong nut to slide up and down along the lifting slide rail 6, thereby driving the screen mounting seat 1 to move down to the position of the silicon wafer for printing operation.

[0024] L-shaped support seats 8 are fixed to the lower ends of both sides of the wire mesh mounting seat 1, the outer side of the L-shaped support seat 8 is fixedly connected to the lifting plate 5, and the inner side of the L-shaped support seat 8 is integrally formed with reinforcing ribs 9. The wire mesh mounting seat 1 and the lifting plate 5 are connected by relying on the L-shaped support seat 8, so that the wire mesh mounting seat 1 moves with the lifting plate 5, and the reinforcing ribs 9 enhance the structural stability of the linkage.

[0025] A support bolt 10 is provided at the lower end of the lifting plate 5. The support bolt 10 passes through the lower end of the lifting plate 5 and is threadedly connected to the lower end of the L-shaped support seat 8. The connection through the support bolt 10 further stabilizes the fixing structure between the lifting plate 5 and the L-shaped support seat 8.

[0026] A sensing sheet 11 is fixed on one side of the lifting plate 5, and a signal sensor 12 is fixed on the side bracket 2. The signal sensor 12 is connected to the sensing sheet 11 by signal. When the wire mesh mounting base 1 is lifted or lowered, in order to control the lifting position, the signal sensor 12 is added to sense the position of the sensing sheet 11, so as to achieve the function of signal detection of the current height.

[0027] It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present utility model and the technical principles used. Within the technical scope disclosed by the present utility model, any changes or substitutions that can be easily thought of by technicians familiar with this technical field should be included in the protection scope of the present utility model.

Claims

1. A lifting screen assembly for a printing press, characterized in that: It includes a wire mesh mounting seat and two side brackets, a lifting servo motor is installed on the upper end of the side bracket, a lifting screw is connected to the driving end of the lifting servo motor, lifting plates are connected on both sides of the wire mesh mounting seat, a lifting nut is fixed on the outer side of the lifting plate, the lifting screw is threadedly connected to the lifting nut, and the lifting plate slides on the side bracket along the vertical direction.

2. A lifting screen assembly for a printing press according to claim 1, characterized in that: A lifting rail is installed on the side bracket, and a lifting slider is fixed on the outer side of the lifting plate, and the lifting slider slides on the lifting rail.

3. The lifting screen assembly of a printing press according to claim 1, characterized in that: L-shaped support seats are fixed to the lower ends of both sides of the wire mesh mounting seat, and the outer sides of the L-shaped support seats are fixedly connected to the lifting plate.

4. A lifting screen assembly for a printing press according to claim 3, characterized in that: The inner side of the L-shaped support seat is integrally formed with reinforcing ribs.

5. The lifting screen assembly of a printing press according to claim 3, characterized in that: A supporting bolt is arranged at the lower end of the lifting plate, and the supporting bolt passes through the lower end of the lifting plate and is threadedly connected to the lower end of the L-shaped supporting seat.

6. The lifting screen assembly of a printing press according to claim 1, characterized in that: A sensing sheet is fixed on one side of the lifting plate, a signal sensor is fixed on the side bracket, and the signal sensor is connected with the sensing sheet by signal.

7. The lifting screen assembly of a printing press according to claim 1, characterized in that: The upper end of the side bracket and the lower end of the side bracket are both equipped with screw bearings, and the two ends of the lifting screw are connected to the screw bearings.

8. The lifting screen assembly of a printing press according to claim 1, characterized in that: It comprises a marble platform, and the two side brackets are respectively installed on both sides of the marble platform.

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