Efficient PCB screen printing tool

Abstract

The utility model relates to the technical field of PCB production, in particular to an efficient PCB screen printing tool which comprises a rectangular box, a clamping groove is formed in the inner wall of the upper portion of the rectangular box, a template frame is placed in the clamping groove, and round hole grooves are formed in the front portions and the rear portions of the left ends of the rectangular box and the template frame. A fixing structure is fixedly clamped in the two sets of round hole grooves jointly, a forward and reverse motor is fixedly connected to the left portion of the front end of the rectangular box, a rotating rod is fixedly connected to the output end of the forward and reverse motor, and a plurality of sets of rotating rods are movably connected to the middle of the rectangular box at equal intervals in an inserted mode; the rear ends of the multiple sets of rotating rods are fixedly connected with a front connecting rotary disc and a rear connecting rotary disc in a penetrating and inserting mode, and a connecting belt is jointly connected between every two adjacent connecting rotary discs located on the same horizontal line in a penetrating and sleeving mode. According to the efficient PCB screen printing tool, the template frame can be conveniently mounted and dismounted, meanwhile, automatic printing can be achieved, and a brush plate does not need to be manually held by hand for printing.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB board production, in particular to an efficient PCB silk-screen printing tool. Background Art

[0002] PCB, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connections of electronic components. In the process of circuit board production, special silk screen printing technology is required to print some logos on the surface of the circuit board. There are at least the following disadvantages in the use of existing silk screen tooling: 1. The existing silk screen tooling needs to fix the template when in use. The traditional template frame needs to be fixed with several sets of screws, which will cause some inconvenience in the installation and removal of the template frame; 2. The existing silk screen tooling needs to use manual handheld brush printing when in use, which increases the labor of workers. Therefore, we have introduced a new and efficient PCB silk screen tooling. Utility Model Content

[0003] The main purpose of the utility model is to provide an efficient PCB screen printing tooling, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A highly efficient PCB screen printing tooling comprises a rectangular box, wherein the upper inner wall of the rectangular box is provided with a snap-in groove, a template frame is placed inside the snap-in groove, the left front end and the left rear end of the rectangular box and the template frame are both provided with round hole grooves, a fixing structure is fixedly connected to the two groups of the round hole grooves, a forward and reverse motor is fixedly connected to the left front end of the rectangular box, a rotating rod is fixedly connected to the output end of the forward and reverse motor, a plurality of groups of rotating rods are equidistantly inserted and movably connected to the middle of the rectangular box, a plurality of groups of rotating rods are fixedly connected to the front and rear connecting turntables at the rear ends of the plurality of groups of rotating rods, a connecting belt is inserted and sleeved between two adjacent connecting turntables located on the same horizontal line, a plurality of groups of rotating rods are fixedly connected to transport shafts, a plurality of groups of rubber bumps are fixedly connected to the outer surfaces of the plurality of transport shafts at equal distances, a pressing structure is fixedly connected to the upper part of the rectangular box, and an operating disk is fixedly connected to the lower middle part of the front end of the rectangular box.

[0006] Preferably, the pressing structure includes a driving motor and a sliding rod, the output end of the driving motor is fixedly connected with a screw rod, the screw rod and the sliding rod are commonly interspersed with a displacement plate threadedly clamped, the lower end of the displacement plate is equidistantly fixedly connected with several groups of hollow cylinders, the inner walls of several groups of the hollow cylinders are fixedly connected with No. 1 springs, the lower ends of several groups of the No. 1 springs are fixedly connected with small round rods, and the lower ends of several groups of the small round rods are fixedly connected with pressing plates.

[0007] Preferably, the driving motor is fixedly connected to the front right end of the rectangular box, the sliding rod is fixedly connected to the left inner wall and the right inner wall of the rectangular box, and the pressing plate is in contact with the template frame but not fixed.

[0008] Preferably, the fixed structure includes a rectangular block, the front and rear ends of the rectangular block are fixedly connected to folding plates, the two folding plates are movably connected with telescopic fixing rods, the ends away from the two telescopic fixing rods are fixedly connected to connecting circular plates, and the two connecting circular plates are commonly fixedly connected to a No. 2 spring between the two adjacent folding plates.

[0009] Preferably, the rectangular block is clamped in the clamping groove, the telescopic fixing rod is movably clamped with the circular hole groove, and the telescopic fixing rod is located inside the adjacent No. 2 spring.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. By setting the clamping slot and the fixing structure, the clamping slot can be used to accommodate and place the template frame. At the same time, the rectangular block on the fixing structure is inserted into the left end of the clamping slot. After the template frame is pressed, the telescopic fixing rod is passed through the round hole slot on the rectangular box and clamped with the round hole slot on the template frame to fix the position of the template frame. Conversely, the template frame can be pulled out by pulling out the telescopic fixing rod on the fixing structure. The operation is simple and convenient for replacement.

[0012] 2. By setting up a pressing structure, the displacement plate on the pressing structure can move left and right under the drive of the driving motor and the screw. The lower end of the hollow cylinder at the lower point of the displacement plate drives the pressing plate to move left and right through a No. 1 spring and a small cylinder, and the template frame is pressed and silk-screened to achieve automatic silk-screen printing and reduce the labor of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a partial structural schematic diagram of an efficient PCB screen printing tooling of the utility model;

[0014] Figure 2 This is a partial structural schematic diagram of an efficient PCB screen printing tooling of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of a pressing structure of an efficient PCB screen printing tooling of the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the overall structure of a fixing structure of an efficient PCB screen printing tooling.

[0017] In the figure: 1. rectangular box; 2. snap-on slot; 3. template frame; 4. round hole slot; 5. fixing structure; 6. forward and reverse motor; 7. rotating rod; 8. connecting turntable; 9. connecting belt; 10. transport shaft; 11. rubber bump; 12. pressing structure; 13. operating panel; 14. driving motor; 15. screw rod; 16. sliding rod; 17. displacement plate; 18. hollow cylinder; 19. No. 1 spring; 20. small round rod; 21. pressing plate; 22. rectangular block; 23. folding plate; 24. telescopic fixing rod; 25. connecting round plate; 26. No. 2 spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-4 , the utility model provides a technical solution:

[0022] A highly efficient PCB screen printing tool comprises a rectangular box 1, wherein a clamping groove 2 is formed on the upper inner wall of the rectangular box 1, a template frame 3 is placed inside the clamping groove 2, a round hole groove 4 is formed on the left front and left rear ends of the rectangular box 1 and the template frame 3, a fixing structure 5 is fixedly clamped inside two groups of round hole grooves 4, a forward and reverse motor 6 is fixedly connected to the left front end of the rectangular box 1, a rotating rod 7 is fixedly connected to the output end of the forward and reverse motor 6, a plurality of groups of rotating rods 7 are movably connected and inserted at equal distances in the middle of the rectangular box 1, a plurality of groups of rotating rods 7 are fixedly connected to the rear ends of the plurality of groups of connecting turntables 8, a connecting belt 9 is inserted and sleeved between two adjacent connecting turntables 8 located on the same horizontal line, a plurality of groups of rotating rods 7 are fixedly connected to transport shafts 10, a plurality of groups of rubber bumps 11 are fixedly connected to the outer surfaces of the plurality of groups of transport shafts 10 at equal distances, a pressing structure 12 is fixedly connected to the upper part of the rectangular box 1, and an operating panel 13 is fixedly connected to the lower middle part of the front end of the rectangular box 1.

[0023] In this embodiment, the pressing structure 12 includes a driving motor 14 and a sliding rod 16, the output end of the driving motor 14 is fixedly connected with a screw rod 15, the screw rod 15 and the sliding rod 16 are threadedly connected with a displacement plate 17, the lower end of the displacement plate 17 is fixedly connected with a plurality of groups of hollow cylinders 18 at equal distances, the inner walls of the upper walls of the plurality of groups of hollow cylinders 18 are fixedly connected with a No. 1 spring 19, the lower ends of the plurality of groups of No. 1 springs 19 are fixedly connected with a small round rod 20, and the lower ends of the plurality of groups of small round rods 20 are fixedly connected with a pressing plate 21, the driving The motor 14 is fixedly connected to the front right end of the rectangular box 1, the sliding rod 16 is fixedly connected to the left inner wall and the right inner wall of the rectangular box 1, the pressing plate 21 is in contact with the template frame 3 but not fixed, and can drive several groups of rotating rods 7 to rotate together by connecting the turntable 8 and the connecting belt 9. The rubber bumps 11 fixedly connected to the outer surface of the transport shaft 10 can increase the friction between the metal sheet, the screw 15 is movably connected to the inner wall of the rectangular box 1 through the bearing, and the No. 1 spring 19 can increase the contact between the pressing plate 21 and the template frame 3 to facilitate silk screen printing.

[0024] In this embodiment, the fixed structure 5 includes a rectangular block 22, and the front and rear ends of the rectangular block 22 are fixedly connected to a folding plate 23, and the two folding plates 23 are interspersed with telescopic fixing rods 24 that are movably connected. The ends of the two telescopic fixing rods 24 that are away from each other are fixedly connected to a connecting circular plate 25, and the two connecting circular plates 25 are commonly fixedly connected to the adjacent folding plates 23 with a No. 2 spring 26. The rectangular block 22 is clamped in the clamping groove 2, and the telescopic fixing rod 24 is movably clamped with the circular hole groove 4. The telescopic fixing rod 24 is located in the adjacent No. 2 spring 26. The position of the template frame 3 can be fixed by the telescopic fixing rod 24, and the No. 2 spring 26 can keep the telescopic fixing rod 24 unchanged when not subject to external force.

[0025] It should be noted that the utility model is an efficient PCB screen printing tooling. During use, first insert the template frame 3 into the card slot 2, push it to the right, and move the pressing plate 21 upward after encountering the pressing structure 12. After reaching the rightmost position, use the fixing structure 5 to stretch the telescopic fixing rod 24 on the folding plate 23 on the fixing structure 5 outward, and then insert the rectangular block 22 into the left part of the card slot 2. After insertion, insert the telescopic fixing rod 24 into the circular hole slot 4 on the rectangular box 1, pass through the circular hole slot 4 on the rectangular box 1, and then insert it into the circular hole slot 4 on the template frame 3 to fix the position of the template frame 3. Otherwise, it is disassembled. The operation is simple, and then drive the forward and reverse motor 6, which can drive several groups of rotations by connecting the turntable 8 and the connecting belt 9. Rod 7 drives several groups of transport shafts 10 with rubber bumps 11 to transport metal plates. The metal plates are inserted from the left and driven by the transport shafts 10 to reach the inside of the rectangular box 1. The drive motor 14 is started. The drive motor 14 drives the screw 15 to rotate. The displacement plate 17 threaded on the screw 15 can move left and right. The hollow cylinder 18 at the lower end of the displacement plate 17 is fixedly connected to the pressing plate 21 by a spring 19 and a small round rod 20. The template frame 3 can be pressed and screen-printed. The metal sheet at the bottom keeps accelerating to the right under the friction of the rubber bumps 11, but is blocked by the inner wall of the rectangular box 1. Therefore, the metal plate does not move during screen printing. After the screen printing is completed, the forward and reverse motors 6 rotate in the opposite direction to spit out the metal plate from the left end.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An efficient PCB screen printing tool, comprising a rectangular box (1), characterized in that: The upper inner wall of the rectangular box (1) is provided with a snap-in groove (2), a template frame (3) is placed inside the snap-in groove (2), the left front end and the left rear end of the rectangular box (1) and the template frame (3) are both provided with round hole grooves (4), two groups of round hole grooves (4) are fixedly snap-connected with a fixing structure (5) inside, the front left part of the rectangular box (1) is fixedly connected with a forward and reverse motor (6), the output end of the forward and reverse motor (6) is fixedly connected with a rotating rod (7), and a plurality of groups of rotating rods (7) are equidistantly interlaced and movably connected in the middle of the rectangular box (1), if The rear ends of the rotating rods (7) of the dry group are interlaced and fixedly connected with two front and rear connecting turntables (8); a connecting belt (9) is interlaced and sleeved between two adjacent connecting turntables (8) located on the same horizontal line; a plurality of groups of the rotating rods (7) are interlaced and fixedly connected with transport shafts (10); the outer surfaces of the plurality of groups of the transport shafts (10) are evenly and fixedly connected with a plurality of groups of rubber protrusions (11); a pressing structure (12) is fixedly connected to the upper part of the rectangular box (1); and an operating panel (13) is fixedly connected to the lower middle part of the front end of the rectangular box (1).

2. The efficient PCB screen printing tool according to claim 1, characterized in that: The pressing structure (12) comprises a driving motor (14) and a sliding rod (16); the output end of the driving motor (14) is fixedly connected with a screw rod (15); a displacement plate (17) is interlaced and clamped on the screw rod (15) and the sliding rod (16); a plurality of groups of hollow cylinders (18) are fixedly connected at equal distances at the lower end of the displacement plate (17); the inner walls of the upper walls of the plurality of groups of hollow cylinders (18) are fixedly connected with a No. 1 spring (19); the lower ends of the plurality of groups of the No. 1 springs (19) are fixedly connected with a small round rod (20); and the lower ends of the plurality of groups of the small round rods (20) are fixedly connected with a pressing plate (21).

3. The efficient PCB screen printing tool according to claim 2, characterized in that: The driving motor (14) is fixedly connected to the front right end of the rectangular box (1), the sliding rod (16) is fixedly connected to the left inner wall and the right inner wall of the rectangular box (1), and the pressing plate (21) is in contact with the template frame (3) but not fixed.

4. The efficient PCB screen printing tool according to claim 1, characterized in that: The fixed structure (5) comprises a rectangular block (22), the front end and the rear end of the rectangular block (22) are fixedly connected to a folding plate (23), the two folding plates (23) are movably connected with a telescopic fixed rod (24), the ends of the two telescopic fixed rods (24) away from each other are fixedly connected to a connecting circular plate (25), and the two connecting circular plates (25) are fixedly connected to the adjacent folding plate (23) with a No. 2 spring (26).

5. The efficient PCB screen printing tool according to claim 4, characterized in that: The rectangular block (22) is clamped inside the clamping groove (2), the telescopic fixing rod (24) is movably clamped with the circular hole groove (4), and the telescopic fixing rod (24) is located inside the adjacent No. 2 spring (26).

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