Soldering paste printing device for mainboard production

Abstract

The utility model discloses a soldering paste printing device for mainboard production, and relates to the technical field of mainboard production and processing. Comprising a machine table, a containing groove for limiting a mainboard is formed in the top of the machine table, a vertically-arranged U-shaped mounting frame is fixedly connected to one side of the top of the machine table, a horizontally-arranged U-shaped frame is arranged on the mounting frame in a liftable mode, a second lead screw driven by a motor is rotationally connected to an inner cavity of the U-shaped frame, and a displacement block is connected to the second lead screw in a threaded mode; and the bottom ends of the two sides of the U-shaped frame are fixedly connected with connecting rods, the connecting rods are connected with a lifting plate located at the bottom of the scraping plate, and a silk screen frame is installed on the lifting plate in an embedded mode. According to the soldering paste printing device for mainboard production, by arranging the containing groove matched with the mainboard, the mainboard can be placed in the containing groove, the limiting effect on the mainboard can be achieved, and when the lifting plate descends, the bottom of the silk screen frame is attached to the mainboard, soldering paste is arranged on the silk screen frame, and a scraping plate moves to evenly scrape the soldering paste, the mainboard is not prone to deviating.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mainboard production processing technical field, concretely is a kind of solder paste printing device for mainboard production. BACKGROUND

[0002] Mainboard, also called mainboard, system board or motherboard, is one of the most basic and important components of computer. Mainboard is generally rectangular circuit board, and it is installed with main circuit system of computer, generally including BIOS chip, I / O control chip, keyboard and panel control switch interface, indicator lamp plug-in component, expansion slot, mainboard and plug-in DC power supply power connector and other elements.

[0003] Mainboard needs to be solder paste printed during production to form permanent connection welding point, but the printing position deviates when using existing printing equipment, so that the welding performance of part of mainboard position is poor. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of solder paste printing device for mainboard production to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of solder paste printing device for mainboard production, including machine table, the top of the machine table is equipped with the placement slot for limiting mainboard, the top of the machine table is fixedly connected with the vertically arranged U-shaped mounting bracket, the U-shaped mounting bracket is provided with the horizontally arranged U-shaped frame that can be lifted, the inner chamber of the U-shaped frame is rotatably connected with the second screw rod driven by motor, the displacement block is threadedly connected on the second screw rod, the scraper is installed on the displacement block, the bottom of the two sides of the U-shaped frame is fixedly connected with connecting rod, the connecting rod is connected with the lifting plate located at the bottom of the scraper, the silk screen frame is embedded and installed on the lifting plate.

[0006] Further, the inner chamber of the mounting bracket is rotatably connected with the first screw rod driven by motor, and the nut seat is threadedly connected with the first screw rod on the U-shaped frame.

[0007] Further, the top of the machine table is fixedly connected with the vertical guide rod on the two sides of the mounting bracket, and the sliding block is fixedly connected on the U-shaped frame and sleeved on the vertical guide rod.

[0008] Further, the horizontal guide rod is fixedly connected between the two inner walls of the U-shaped frame, and the displacement block is slidably sleeved on the horizontal guide rod.

[0009] Further, the placement slot is provided with the lifting plate for ejecting the mainboard placed in the placement slot.

[0010] Further, the inside of the machine table is formed with a cavity, the bottom inner wall of the cavity is provided with an electric push rod, the top end of the electric push rod is movably extended into the placing groove and connected with the bottom of the top plate, and the bottom inner wall of the cavity is provided with telescopic rods on both sides of the electric push rod, the top end of the telescopic rod is movably extended into the placing groove and connected with the bottom of the top plate.

[0011] Compared with the prior art, the welding paste printing device for mainboard production has the following beneficial effects: the welding paste printing device for mainboard production is provided with a placing groove matched with the mainboard, the mainboard can be placed in the placing groove, the mainboard can be limited, when the lifting plate is lowered, the bottom of the screen frame is attached to the mainboard, and the welding paste is arranged on the screen frame, and the mainboard is not easy to deviate during the process of uniformly scraping the welding paste by the scraper displacement. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural schematic view of the scraper of the utility model;

[0014] Figure 3 It is a structural schematic view of the machine table of the utility model;

[0015] Figure 4 It is a structural schematic view of the lifting plate of the utility model;

[0016] Figure 5 It is a structural schematic view of the inside of the machine table of the utility model.

[0017] In the drawing: 1, machine table; 2, placing groove; 3, mounting frame; 4, U-shaped frame; 5, first lead screw; 6, second lead screw; 7, displacement block; 8, scraper; 9, connecting rod; 10, lifting plate; 11, screen frame; 12, horizontal guide rod; 13, sliding block; 14, vertical guide rod; 15, cavity; 16, electric push rod; 17, telescopic rod; 18, top plate. DETAILED DESCRIPTION

[0018] 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.

[0019] Please refer to Figures 1-5The utility model discloses a solder paste printing device for mainboard production, including the machine table 1, the top of machine table 1 is established and is placed the limit groove 2 of mainboard, the top one side of machine table 1 is fixedly connected with the mounting bracket 3 of vertical setting U, the U-shaped frame 4 of horizontal setting can be lifted and lowered and is established on the mounting bracket 3, the inner chamber rotation of U-shaped frame 4 is connected with the second screw rod 6 driven by motor, the displacement block 7 is screwed on the second screw rod 6, the scraper 8 is installed on the displacement block 7, the both sides bottom of U-shaped frame 4 are fixedly connected with the connecting rod 9, the connecting rod 9 is connected with the lifting plate 10 located the bottom of scraper 8, the silk screen frame 11 is embedded and installed on the lifting plate 10.

[0020] The size of the placement groove 2 matches the size of the mainboard to be soldered, and when the mainboard is placed in the placement groove 2, the top of the mainboard is flush with the top of the placement groove 2.

[0021] The scraper 8 can move horizontally with the displacement block 7, and the bottom of the scraper 8 is attached to the top of the silk screen frame 11. When the lifting plate 10 moves downward, the silk screen frame 11 can attach to the top of the mainboard. The solder paste is placed on the silk screen frame 11. The second screw rod 6 is driven to rotate, and the displacement block 7 can drive the scraper 8 to evenly scrape the solder paste.

[0022] Specifically, the inner cavity of the mounting bracket 3 is rotationally connected with a first screw rod 5 driven by a motor, and a nut seat is screwed onto the first screw rod 5 and mounted on the U-shaped frame 4.

[0023] The top of the machine table 1 is fixedly connected with a vertical guide rod 14 on both sides of the mounting bracket 3, and a sliding block 13 is fixedly connected to the U-shaped frame 4 and slidably fitted on the vertical guide rod 14.

[0024] In this embodiment, the first screw rod 5 cooperates with the nut seat on the U-shaped frame 4 to drive the U-shaped frame 4, the lifting plate 10, and the silk screen frame 11 to lift as a whole.

[0025] The vertical guide rod 14 cooperates with the sliding block 13 to guide the lifting of the U-shaped frame 4.

[0026] Specifically, a horizontal guide rod 12 is fixedly connected between the inner walls of the U-shaped frame 4, and the displacement block 7 is slidably fitted on the horizontal guide rod 12.

[0027] In this embodiment, when the second screw rod 6 rotates to drive the displacement block 7 to move, the horizontal guide rod 12 can guide the movement of the displacement block 7.

[0028] Specifically, a lifting plate 18 is provided in the placement groove 2 for ejecting the mainboard placed in the placement groove 2.

[0029] The machine table 1 is internally formed with a cavity 15, the bottom inner wall of the cavity 15 is provided with an electric push rod 16, the top end of the electric push rod 16 is movably extended into the placing groove 2 and is connected with the bottom of a top plate 18, the bottom inner wall of the cavity 15 is further provided with telescopic rods 17 on both sides of the electric push rod 16, the top end of the telescopic rods 17 is movably extended into the placing groove 2 and is connected with the bottom of the top plate 18.

[0030] In the embodiment, the top of the machine table 1 is provided with a cover plate covering the cavity 15, the top of the cover plate is the top horizontal surface of the machine table 1, the placing groove 2 is formed in the cover plate, and the cover plate is bolted on the machine table 1 and can be disassembled and replaced.

[0031] When the main board is placed in the placing groove 2, the top plate 18 supports the main board, after the main board is printed with solder paste, the output shaft of the electric push rod 16 is elongated, so that the top plate 18 moves upward to push the main board out of the placing groove 2, facilitating the taking out of the main board from the placing groove 2.

[0032] In summary, the solder paste printing device for main board production can place the main board in the placing groove 2 matched with the main board, can limit the main board, when the lifting plate 10 is lowered, the bottom of the screen frame 11 is attached to the main board, and the solder paste is arranged on the screen frame 11, and in the process of displacement of the scraper 8 for scraping the solder paste evenly, the main board is not easy to deviate.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A solder paste printing device for motherboard production, comprising a machine table (1), characterized in that: The top of the machine (1) is provided with a limiting mainboard placing groove (2), one side of the top of the machine (1) is fixedly connected with a vertically arranged U-shaped mounting frame (3), the mounting frame (3) is provided with a horizontally arranged U-shaped frame (4) which can be lifted, the inner cavity of the U-shaped frame (4) is rotatably connected with a second screw rod (6) driven by a motor, the second screw rod (6) is threadedly connected with a displacement block (7), the displacement block (7) is installed with a scraper (8), both sides of the bottom of the U-shaped frame (4) are fixedly connected with a connecting rod (9), the connecting rod (9) is connected with a lifting plate (10) located at the bottom of the scraper (8), the lifting plate (10) is embeddedly installed with a wire mesh frame (11).

2. The solder paste printing device for a motherboard production according to claim 1, characterized in that: The inner cavity of the mounting frame (3) is rotatably connected with a first screw rod (5) driven by a motor, and the U-shaped frame (4) is installed with a nut seat which is threadedly connected with the first screw rod (5).

3. The solder paste printing device for a motherboard production according to claim 2, characterized in that: The top of the machine (1) is fixedly connected with a vertical guide rod (14) on both sides of the mounting frame (3), and the U-shaped frame (4) is fixedly connected with a sliding block (13) which is sleeved on the vertical guide rod (14).

4. The solder paste printing device for a motherboard production according to claim 1, characterized in that: The horizontal guide rod (12) is fixedly connected between the inner walls of the two sides of the U-shaped frame (4), and the displacement block (7) is sleeved on the horizontal guide rod (12).

5. The solder paste printing device for a motherboard production according to claim 1, characterized in that: The placing groove (2) is provided with a lifting plate (18) for ejecting the mainboard placed in the placing groove (2).

6. The solder paste printing device for a motherboard production according to claim 5, characterized in that: The machine (1) is internally formed with a cavity (15), the bottom inner wall of the cavity (15) is installed with an electric push rod (16), the top end of the electric push rod (16) is movably extended into the placing groove (2) and connected with the bottom of the lifting plate (18), and the bottom inner wall of the cavity (15) is further installed with a telescopic rod (17) on both sides of the electric push rod (16), the top end of the telescopic rod (17) is movably extended into the placing groove (2) and connected with the bottom of the lifting plate (18).

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