Printing tool

Abstract

The utility model discloses a printing tool, and belongs to the field of printing tools, the printing tool comprises a printing bottom support, the printing bottom support is internally provided with a limiting mechanism, the limiting mechanism comprises a first motor, the first motor is fixedly connected with the printing bottom support, and the output end of the first motor is fixedly connected with a first threaded rod; a second threaded rod is fixedly connected to one side of the first threaded rod, the second threaded rod and the first threaded rod are integrated, the first motor, the first threaded rod, the baffle, the second threaded rod and the limiting rod are arranged, the first threaded rod is driven to rotate through rotation of the output end of the first motor, and the first threaded rod is driven to rotate through rotation of the limiting rod. The first threaded rod rotates to drive the second threaded rod to rotate, the second threaded rod and the first threaded rod rotate to drive the baffle to move, the baffle is limited by the limiting rod, the PCB is clamped by the baffle, the problem that a traditional printing tool cannot limit PCBs of different sizes is solved, and practicability is improved.

Description

Technical Field

[0001] This application relates to the technical field of printing tooling, and particularly to a printing tooling. Background Art

[0002] Printing tooling is mainly used in the surface mount technology of electronic components, especially in the process of printing solder paste. Solder paste is a paste formed by mixing solder powder and flux, and is used to connect electronic components to the PCB.

[0003] Currently, when the size of the PCB exceeds the maximum size used by existing equipment, it is usually printed manually by workers using printing tooling. However, traditional printing tooling cannot limit the position of PCB boards of different sizes. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present utility model provides a printing tooling, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0005] To achieve the above object, this application adopts the following technical solution: A printing tooling includes a printing base. A limiting mechanism is provided inside the printing base. The limiting mechanism includes a first motor, which is fixedly connected to the printing base. The output end of the first motor is fixedly connected to a first threaded rod. A second threaded rod is fixedly connected to one side of the first threaded rod. The second threaded rod and the first threaded rod are an integral body, and the thread directions of the second threaded rod and the first threaded rod are opposite. The end of the second threaded rod away from the first threaded rod is rotatably connected to the printing base. Both the outer parts of the second threaded rod and the first threaded rod are threadedly connected with baffles. A limiting rod is slidably connected inside the baffle. The limiting rod is fixedly connected to the printing base. A positioning frame is provided on the top of the printing base. A limiting block is provided on one side of the positioning frame. The limiting block is fixedly connected to the printing base. A rotating mechanism is provided inside the limiting block. A clamping mechanism is provided inside the positioning frame. A fixed frame is slidably connected to one side of the clamping mechanism. A steel mesh is slidably connected inside the fixed frame. A connecting mechanism is provided between the steel mesh and the fixed frame.

[0006] As a preferred embodiment, the rotating mechanism includes a second motor, which is fixedly connected to the limiting block. The output end of the second motor is fixedly connected to a rotating rod. The rotating rod is rotatably connected to the limiting block. A rotating block is fixedly connected to the outer part of the rotating rod. The rotating block is fixedly connected to the positioning frame.

[0007] By adopting the above technical solution, the rotation of the output end of the second motor drives the rotation of the rotating rod, then the rotation of the rotating rod drives the rotation of the rotating block, and then the rotation of the rotating block drives the movement of the positioning frame, which can better move the positioning frame.

[0008] As a preferred embodiment, the clamping mechanism includes an electric push rod, the electric push rod is fixedly connected to the positioning frame, the output end of the electric push rod is fixedly connected with a clamping plate, a limiting groove is formed on the surface of the positioning frame, the limiting groove is adapted to the clamping plate, and the clamping plate is slidably connected to the positioning frame.

[0009] By adopting the above technical solution, the telescopic end of the electric push rod drives the clamping plate to move on the surface of the positioning frame, and then the clamping plate is limited by the limiting groove, and then the clamping plate abuts against the fixing frame to clamp the fixing frame, so that the fixing frame can be clamped better.

[0010] As a preferred embodiment, the connecting mechanism includes a mounting frame, the mounting frame is fixedly connected to the fixing frame, a spring is fixedly connected inside the mounting frame, one side of the spring is fixedly connected with a positioning block, the positioning block is slidably connected to the mounting frame, and an external part of the positioning block is slidably connected with a fixing block, and the fixing block is fixedly connected to the steel mesh.

[0011] By adopting the above technical solution, the steel mesh is protected by the fixing frame, the spring is fixed by the mounting frame, the positioning block is supported by the spring, and then the positioning block is inserted into the fixing block on the surface of the steel mesh to connect the fixing frame and the steel mesh, so that the fixing frame and the steel mesh can be connected better.

[0012] As a preferred embodiment, a receiving groove is formed inside the mounting frame, and the receiving groove is adapted to the positioning block.

[0013] By adopting the above technical solution, the positioning block is pressed to disengage from the fixing block and enter the inside of the receiving groove, and then the steel mesh is pulled to disassemble the steel mesh, so that the steel mesh can be disassembled better.

[0014] As a preferred embodiment, four anti-slip pads are fixedly connected to the bottom of the printing base, and the four anti-slip pads are symmetrically distributed at the bottom of the printing base.

[0015] By adopting the above technical solution, the four anti-slip pads are symmetrically distributed at the bottom of the printing base, and the anti-slip pads enhance the anti-slip property of the printing base, so that the anti-slip property of the printing base can be enhanced better.

[0016] As a preferred embodiment, a controller is fixedly connected to the top of the printing base, and the controller is electrically connected to the first motor.

[0017] By adopting the above technical solution, the controller is electrically connected to the first motor, and the controller controls the switch of the first motor, so that the switch of the first motor can be controlled better.

[0018] As a preferred embodiment, rubber pads are fixedly connected to the sides of the two baffles close to each other.

[0019] By adopting the above technical solution, since rubber pads are fixedly connected to the sides of the baffles close to each other, and the rubber pads protect the PCB board, the PCB board can be better protected.

[0020] Advantages of the present application:

[0021] 1. For this printing tooling, by setting a first motor, a first threaded rod, a baffle, a second threaded rod and a limiting rod, the output end of the first motor rotates to drive the first threaded rod to rotate, then the first threaded rod rotates to drive the second threaded rod to rotate, then the second threaded rod and the first threaded rod rotate to drive the baffle to move, then the limiting rod limits the baffle, and then the baffle clamps the PCB board, avoiding the problem that the traditional printing tooling cannot limit PCB boards of different sizes, and improving the practicability.

[0022] 2. For this printing tooling, by setting an installation frame, a spring, a positioning block and a fixing block, the spring is fixed by the installation frame, then the spring supports the positioning block, then the positioning block is inserted into the fixing block on the surface of the steel mesh to connect the fixing frame and the steel mesh, then by pressing the positioning block, the positioning block disengages from the fixing block and enters the internal accommodation groove, and then by pulling the steel mesh, the steel mesh is disassembled, avoiding the problem that the traditional printing tooling cannot disassemble the steel mesh alone, and improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a front structural schematic diagram of the present application;

[0024] Figure 2 is a sectional view of the printing base structure of the present application;

[0025] Figure 3 is a structural schematic diagram of the clamping mechanism of the present application;

[0026] Figure 4 of the present application Figure 3 is an enlarged schematic diagram of the structure at A.

[0027] Reference numerals in the figure: 1, printing base; 2, limiting mechanism; 21, first motor; 22, first threaded rod; 23, baffle; 24, second threaded rod; 25, limiting rod; 3, rotating mechanism; 31, second motor; 32, rotating rod; 33, rotating block; 4, clamping mechanism; 41, electric push rod; 42, clamping plate; 43, limiting groove; 5, connecting mechanism; 51, mounting bracket; 52, spring; 53, positioning block; 54, fixed block; 6, receiving groove; 7, fixing frame; 8, steel mesh; 9, limiting block; 10, controller; 11, anti-slip pad; 12, positioning frame. Detailed implementation

[0028] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments.

[0029] Refer to Figures 1 - 3 , a printing tooling, including a printing base 1. A limiting mechanism 2 is provided inside the printing base 1. The limiting mechanism 2 includes a first motor 21. The first motor 21 is fixedly connected to the printing base 1. The output end of the first motor 21 is fixedly connected to a first threaded rod 22. A second threaded rod 24 is fixedly connected to one side of the first threaded rod 22. The second threaded rod 24 and the first threaded rod 22 are an integral body, and the thread directions of the second threaded rod 24 and the first threaded rod 22 are opposite. The end of the second threaded rod 24 away from the first threaded rod 22 is rotatably connected to the printing base 1. Baffles 23 are threadedly connected to the exteriors of both the second threaded rod 24 and the first threaded rod 22. A limiting rod 25 is slidably connected inside the baffle 23. The limiting rod 25 is fixedly connected to the printing base 1. A positioning frame 12 is provided on the top of the printing base 1. A limiting block 9 is provided on one side of the positioning frame 12. The limiting block 9 is fixedly connected to the printing base 1. A rotating mechanism 3 is provided inside the limiting block 9. The rotating mechanism 3 includes a second motor 31. The second motor 31 is fixedly connected to the limiting block 9. The output end of the second motor 31 is fixedly connected to a rotating rod 32. The rotating rod 32 is rotatably connected to the limiting block 9. A rotating block 33 is fixedly connected to the exterior of the rotating rod 32. The rotating block 33 is fixedly connected to the positioning frame 12; by the rotation of the output end of the second motor 31 to drive the rotating rod 32 to rotate, and then the rotation of the rotating rod 32 drives the rotating block 33 to rotate, and then the rotation of the rotating block 33 drives the positioning frame 12 to move, which can better move the positioning frame 12.

[0030] Refer to Figures 1 - 3, a clamping mechanism 4 is provided inside the positioning frame 12. A fixed frame 7 is slidably connected to one side of the clamping mechanism 4. The clamping mechanism 4 includes an electric push rod 41, and the electric push rod 41 is fixedly connected to the positioning frame 12. The output end of the electric push rod 41 is fixedly connected to a clamping plate 42. A limiting groove 43 is formed on the surface of the positioning frame 12, and the limiting groove 43 is adapted to the clamping plate 42. The clamping plate 42 is slidably connected to the positioning frame 12; by the telescopic movement of the telescopic end of the electric push rod 41 to drive the clamping plate 42 to move on the surface of the positioning frame 12, and then the limiting groove 43 limits the clamping plate 42, and then the clamping plate 42 abuts against the fixed frame 7 to clamp the fixed frame 7, so that the fixed frame 7 can be clamped better.

[0031] Refer to Figures 3 - 4 , a steel mesh 8 is slidably connected inside the fixed frame 7. A connecting mechanism 5 is provided between the steel mesh 8 and the fixed frame 7. The connecting mechanism 5 includes a mounting frame 51, and the mounting frame 51 is fixedly connected to the fixed frame 7. A spring 52 is fixedly connected inside the mounting frame 51. One side of the spring 52 is fixedly connected to a positioning block 53. The positioning block 53 is slidably connected to the mounting frame 51. An outer portion of the positioning block 53 is slidably connected to a fixing block 54, and the fixing block 54 is fixedly connected to the steel mesh 8; by the fixed frame 7 protecting the steel mesh 8, then the mounting frame 51 fixing the spring 52, then the spring 52 supporting the positioning block 53, and then the positioning block 53 being inserted into the fixing block 54 on the surface of the steel mesh 8 to connect the fixed frame 7 and the steel mesh 8, the fixed frame 7 and the steel mesh 8 can be connected better.

[0032] Refer to Figure 4 , a receiving groove 6 is formed inside the mounting frame 51, and the receiving groove 6 is adapted to the positioning block 53; by pressing the positioning block 53 to make the positioning block 53 disengage from the fixing block 54 and enter the inside of the receiving groove 6, and then pulling the steel mesh 8 to disassemble the steel mesh 8, the steel mesh 8 can be disassembled better.

[0033] Refer to Figure 1 , four anti-slip pads 11 are fixedly connected to the bottom of the printing base 1, and the four anti-slip pads 11 are symmetrically distributed at the bottom of the printing base 1; by the four anti-slip pads 11 being symmetrically distributed at the bottom of the printing base 1, and then the anti-slip pads 11 enhancing the anti-slip property of the printing base 1, the anti-slip property of the printing base 1 can be enhanced better.

[0034] Refer to Figure 1 , a controller 10 is fixedly connected to the top of the printing base 1, and the controller 10 is electrically connected to the first motor 21; by the controller 10 being electrically connected to the first motor 21, and then the controller 10 controlling the switch of the first motor 21, the switch of the first motor 21 can be controlled better.

[0035] Refer to Figures 1 - 2, on one side where the two baffles 23 are close to each other, there is a rubber pad fixedly connected; by fixedly connecting a rubber pad on one side where the baffles 23 are close to each other, and then protecting the PCB board with the rubber pad, the PCB board can be better protected.

[0036] Working principle: Place the board card on the surface of the printing base 1, and then the output end of the first motor 21 rotates to drive the first threaded rod 22 to rotate. Then, the rotation of the first threaded rod 22 drives the second threaded rod 24 to rotate. Then, the rotation of the second threaded rod 24 and the first threaded rod 22 drives the baffle 23 to move. Then, the limiting rod 25 limits the baffle 23. Then, the baffle 23 limits the board card. Then, the telescopic end of the electric push rod 41 extends and retracts to drive the clamping plate 42 to move on the surface of the positioning frame 12. Then, the limiting groove 43 limits the clamping plate 42. Then, the clamping plate 42 abuts against the fixing frame 7 to clamp the fixing frame 7. Then, the fixing frame 7 protects the stencil 8. Then, the mounting frame 51 fixes the spring 52. Then, the spring 52 supports the positioning block 53. Then, the positioning block 53 is inserted into the fixing block 54 on the surface of the stencil 8 to connect the fixing frame 7 and the stencil 8. Then, the output end of the second motor 31 rotates to drive the rotating rod 32 to rotate. Then, the rotation of the rotating rod 32 drives the rotating block 33 to rotate. Then, the rotation of the rotating block 33 drives the positioning frame 12 to move. Then, the movement of the positioning frame 12 drives the stencil 8 to move so that the stencil 8 fits the surface of the board card. Confirm whether the stencil and the pads of the board card are consistent, and then apply solder paste. After applying the solder paste, the output end of the second motor 31 rotates to make the stencil 8 separate from the surface of the board card. Press the positioning block 53 to make the positioning block 53 separate from the fixing block 54 and enter the accommodating groove 6. Then, pull the stencil 8 to disassemble the stencil 8, which is convenient for cleaning the solder paste on the surface of the stencil 8.

[0037] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "equipped with", "connection", etc. should be understood in a broad sense. For example, "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] The present utility model has been described above in conjunction with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and not a limitation on the protection scope of the present utility model. Those skilled in the art can make various variations and modifications to the present utility model according to the spirit and principle of the present utility model, and these variations and modifications are also within the scope of the present utility model.

Claims

1. A printing tooling, comprising a printing base (1), characterized in that, The interior of the printing base (1) is provided with a limiting mechanism (2). The limiting mechanism (2) includes a first motor (21), which is fixedly connected to the printing base (1). The output end of the first motor (21) is fixedly connected to a first threaded rod (22). One side of the first threaded rod (22) is fixedly connected to a second threaded rod (24). The second threaded rod (24) and the first threaded rod (22) are an integral body, and the thread directions of the second threaded rod (24) and the first threaded rod (22) are opposite. The end of the second threaded rod (24) away from the first threaded rod (22) is rotatably connected to the printing base (1). The outer parts of both the second threaded rod (24) and the first threaded rod (22) are threadedly connected with a baffle (23). The interior of the baffle (23) is slidably connected with a limiting rod (25), and the limiting rod (25) is fixedly connected to the printing base (1). The top of the printing base (1) is provided with a positioning frame (12). One side of the positioning frame (12) is provided with a limiting block (9), which is fixedly connected to the printing base (1). The interior of the limiting block (9) is provided with a rotating mechanism (3). The interior of the positioning frame (12) is provided with a clamping mechanism (4). One side of the clamping mechanism (4) is slidably connected with a fixing frame (7). The interior of the fixing frame (7) is slidably connected with a steel mesh (8). A connecting mechanism (5) is arranged between the steel mesh (8) and the fixing frame (7).

2. The printing tooling according to claim 1, characterized in that The rotating mechanism (3) includes a second motor (31), which is fixedly connected to the limiting block (9). The output end of the second motor (31) is fixedly connected to a rotating rod (32), which is rotatably connected to the limiting block (9). The outer part of the rotating rod (32) is fixedly connected with a rotating block (33), and the rotating block (33) is fixedly connected to the positioning frame (12).

3. A printing tooling according to claim 1, characterized in that, The clamping mechanism (4) includes an electric push rod (41), which is fixedly connected to the positioning frame (12). The output end of the electric push rod (41) is fixedly connected to a clamping plate (42). A limiting groove (43) is formed on the surface of the positioning frame (12), which is adapted to the clamping plate (42), and the clamping plate (42) is slidably connected to the positioning frame (12).

4. A printing tooling according to claim 1, characterized in that, The connecting mechanism (5) includes a mounting frame (51), which is fixedly connected to the fixing frame (7). A spring (52) is fixedly connected to the interior of the mounting frame (51). One side of the spring (52) is fixedly connected to a positioning block (53), which is slidably connected to the mounting frame (51). The outer part of the positioning block (53) is slidably connected with a fixing block (54), and the fixing block (54) is fixedly connected to the steel mesh (8).

5. A printing tooling according to claim 4, characterized in that, A receiving groove (6) is formed in the interior of the mounting frame (51), which is adapted to the positioning block (53).

6. The printing tooling according to claim 1, characterized in that, Four anti-slip pads (11) are fixedly connected to the bottom of the printing base (1), and the four anti-slip pads (11) are symmetrically distributed at the bottom of the printing base (1).

7. A printing tooling according to claim 1, characterized in that, A controller (10) is fixedly connected to the top of the printing base (1), and the controller (10) is electrically connected to the first motor (21).

8. A printing tooling according to claim 1, characterized in that, Rubber pads are fixedly connected to the sides of the two baffles (23) close to each other.

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