Steel mesh pressing device of SMT (Surface Mount Technology) printing machine

Abstract

The SMT printing machine steel mesh pressing device comprises a base plate, adjusting plates are connected to the two ends of the top of the base plate in a sliding mode, L-shaped mounting plates are connected to the two ends of the sides, close to each other, of the two adjusting plates in a sliding mode, a containing plate is fixedly connected to the bottom of the inner side of each L-shaped mounting plate, and an end pressing plate is connected to the top of the inner side of each L-shaped mounting plate in a sliding mode. The steel mesh pressing device has the advantages that under the transmission of the corresponding driving mechanisms through the adjusting plate and the L-shaped mounting plate, adjustment can be effectively carried out according to steel meshes of different sizes and models, the adaptability and flexibility of equipment pressing are effectively improved, and the practicability is high. By limiting and pressing the four corners of the steel mesh, the stability of the steel mesh during pressing can be effectively guaranteed, deviation of the steel mesh is avoided, meanwhile, the middle of the side edge of the steel mesh can be effectively limited and clamped through the side plates and the auxiliary clamping plates, the stability of the steel mesh during pressing is further improved, and the using effect of equipment is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel mesh clamping equipment, in particular to a steel mesh pressing device for an SMT printer. Background Art

[0002] The SMT printer is applicable to the patch processing process, printing solder paste on the pads of the bare PCB board, facilitating the soldering of components to the PCB pads in the next process, and forming a firm soldering after reflow soldering. The steel mesh is a special SMT mold. Its main function is to assist the deposition of solder paste; the purpose is to transfer an accurate amount of solder paste to the accurate position on the empty PCB.

[0003] When traditional equipment is in use, according to the different models of PCB boards, different models and sizes of steel meshes are required. However, most traditional equipment uses screws to limit and fix the steel mesh, and it is impossible to quickly and effectively adjust according to steel meshes of different models and sizes, with poor applicability and flexibility, affecting the use effect of the equipment.

[0004] Therefore, a steel mesh pressing device for an SMT printer is proposed to solve the above problems. Summary of the Utility Model

[0005] The technical solution adopted by the utility model to solve the technical problems is: a steel mesh pressing device for an SMT printer, including a substrate. Both ends of the top of the substrate are slidably connected with adjusting plates. Both ends of the mutually close sides of the two adjusting plates are slidably connected with L-shaped mounting plates. The bottom of the inner side of each L-shaped mounting plate is fixedly connected with a placing plate. The top of the inner side of each L-shaped mounting plate is slidably connected with an end pressing plate. A protective pad is fixedly connected to the bottom of each end pressing plate. Both middle parts of the two sides of the substrate are fixedly connected with vertical plates. A cross plate is fixedly connected to the middle of the two vertical plates. Both sides of the bottom of the cross plate are slidably connected with sliding plates. An electric telescopic rod is fixedly connected to the bottom of each sliding plate. A side plate is fixedly connected to the output end of each electric telescopic rod. An auxiliary clamping plate is slidably connected to the mutually close sides of the two side plates.

[0006] As a preferred technical solution of the utility model, a first double-headed motor is fixedly connected to the middle of the inner wall of each adjusting plate. Both ends of each first double-headed motor are fixedly connected with a first screw rod. The end of each first screw rod is rotatably connected to the inner wall of the corresponding adjusting plate. A slider is threadedly connected to the middle of each first screw rod. Each slider penetrates through the side wall chute of the corresponding adjusting plate and is fixedly connected with the corresponding L-shaped mounting plate.

[0007] As a preferred technical solution of the present utility model, a second double-headed motor is fixedly connected to the middle of the inner wall of the cross plate. Both ends of the second double-headed motor are fixedly connected with second screw rods. One end of each second screw rod away from the second double-headed motor is rotatably connected to the inner wall of the cross plate. A guide block is threadedly connected to the middle of each second screw rod. The bottom end of each guide block penetrates through the bottom chute of the cross plate and is fixedly connected to the corresponding sliding plate.

[0008] As a preferred technical solution of the present utility model, a driving motor is fixedly connected to the end of the inner wall of the base plate. The output end of the driving motor is fixedly connected with a bidirectional screw rod. The end of the bidirectional screw rod is rotatably connected to the inner wall of the base plate. Both ends of the bidirectional screw rod are threadedly connected with transmission blocks. Each transmission block penetrates through the top chute of the base plate and is fixedly connected to the bottom of the corresponding adjusting plate.

[0009] As a preferred technical solution of the present utility model, each L-shaped mounting plate and side plate are provided with a driving mechanism, and each driving mechanism drives the corresponding end pressing plate and auxiliary clamping plate to move respectively.

[0010] The present utility model has the following advantages: Through the transmission of the adjusting plate and the L-shaped mounting plate by the corresponding driving mechanisms, the present utility model can effectively adjust according to steel meshes of different sizes and models, effectively improving the adaptability and flexibility of the equipment for pressing. By limiting and pressing the four corners of the steel mesh, the stability during pressing can be effectively guaranteed, preventing it from shifting. At the same time, through the side plate and the auxiliary clamping plate, the middle part of the side of the steel mesh can be effectively limited and clamped, further improving the stability during pressing and ensuring the use effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic top sectional structure view of a preferred embodiment of the present utility model;

[0012] Figure 2 is a schematic three-dimensional structure view of the L-shaped mounting plate of a preferred embodiment of the present utility model;

[0013] Figure 3 is a schematic front sectional structure view of the cross plate of a preferred embodiment of the present utility model;

[0014] Figure 4 is a schematic side sectional structure view of the base plate of a preferred embodiment of the present utility model.

[0015] Description of reference numerals: 1, substrate; 2, adjusting plate; 3, L-shaped mounting plate; 4, placing plate; 5, end pressing plate; 6, vertical plate; 7, horizontal plate; 8, sliding plate; 9, electric telescopic rod; 10, side plate; 11, protective pad; 12, auxiliary clamping plate; 13, first double-headed motor; 14, first screw rod; 15, slider; 16, second double-headed motor; 17, second screw rod; 18, guide block; 19, driving motor; 20, bidirectional screw rod; 21, transmission block. Detailed implementation manners

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "mounting", "connecting", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Embodiment

[0019] Please refer to Figures 1-4 , a steel mesh pressing device for an SMT printer of the present invention, includes a substrate 1. Both ends of the top of the substrate 1 are slidably connected with adjusting plates 2. Both ends of the sides of the two adjusting plates 2 close to each other are slidably connected with L-shaped mounting plates 3. The bottom of the inner side of each L-shaped mounting plate 3 is fixedly connected with a placing plate 4. The top of the inner side of each L-shaped mounting plate 3 is slidably connected with an end pressing plate 5. The bottom of each end pressing plate 5 is fixedly connected with a protective pad 11. The middle parts of both sides of the substrate 1 are fixedly connected with vertical plates 6. The middle parts of the two vertical plates 6 are fixedly connected with a horizontal plate 7. Both sides of the bottom of the horizontal plate 7 are slidably connected with sliding plates 8. The bottom of each sliding plate 8 is fixedly connected with an electric telescopic rod 9. The output end of each electric telescopic rod 9 is fixedly connected with a side plate 10. The sides of the two side plates 10 close to each other are slidably connected with auxiliary clamping plates 12.

[0020] Wherein, the middle part of the inner wall of each adjusting plate 2 is fixedly connected with a first double-headed motor 13. Both ends of each first double-headed motor 13 are fixedly connected with a first screw rod 14. The end of each first screw rod 14 is rotatably connected with the inner wall of the corresponding adjusting plate 2. The middle part of each first screw rod 14 is threadedly connected with a slider 15. Each slider 15 passes through the side wall chute of the corresponding adjusting plate 2 and is fixedly connected with the corresponding L-shaped mounting plate 3.

[0021] Among them, a second double-headed motor 16 is fixedly connected to the middle of the inner wall of the transverse plate 7. Both ends of the second double-headed motor 16 are fixedly connected with second screw rods 17. One end of each second screw rod 17 away from the second double-headed motor 16 is rotatably connected to the inner wall of the transverse plate 7. A guide block 18 is threadedly connected to the middle of each second screw rod 17. The bottom end of each guide block 18 penetrates through the bottom chute of the transverse plate 7 and is fixedly connected to the corresponding sliding plate 8.

[0022] Among them, a driving motor 19 is fixedly connected to the end of the inner wall of the base plate 1. The output end of the driving motor 19 is fixedly connected with a bidirectional screw rod 20. The end of the bidirectional screw rod 20 is rotatably connected to the inner wall of the base plate 1. Both ends of the bidirectional screw rod 20 are threadedly connected with transmission blocks 21. Each transmission block 21 penetrates through the top chute of the base plate 1 and is fixedly connected to the bottom of the corresponding adjusting plate 2.

[0023] Among them, each L-shaped mounting plate 3 and side plate 10 are provided with a driving mechanism, and each driving mechanism drives the corresponding end pressing plate 5 and auxiliary clamping plate 12 to move respectively.

[0024] Specifically, when the utility model is in use, the driving motor 19 is started to drive the bidirectional screw rod 20 to rotate, so that the transmission block 21 drives the corresponding adjusting plate 2 to move, and then the distance between the two adjusting plates 2 is adjusted according to the steel mesh of different lengths. By starting the first double-headed motor 13 to drive the corresponding first screw rod 14 to rotate, the corresponding L-shaped mounting plates 3 approach or move away from each other according to the width of the steel mesh until the appropriate width is adjusted. Then, the steel mesh is supported by the four placing plates 4. After that, the driving mechanism in each L-shaped mounting plate 3 drives the corresponding end pressing plate 5 to move downward to press and fix the four corners of the steel mesh. Then, the electric telescopic rod 9 is started to extend its output end to drive the corresponding side plate 10 to move downward. At the same time, the second double-headed motor 16 is started to drive the corresponding second screw rod 17 to rotate, so that the top plate of the side plate 10 fits against the top of the side of the steel mesh. Then, the driving mechanism on the side plate 10 drives the auxiliary clamping plate 12 to move upward to clamp and fix the side of the steel mesh, further limiting and clamping the steel mesh, effectively ensuring its stability.

[0025] The above is only the preferred embodiment of the utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the utility model.

Claims

1. A steel mesh pressing device for an SMT printer, comprising a substrate (1), characterized in that: Both ends of the top of the base plate (1) are slidably connected to adjustment plates (2), both ends of the two adjustment plates (2) are slidably connected to L-shaped mounting plates (3) on one side close to each other, each L-shaped mounting plate (3) is fixedly connected to a placement plate (4) on the inner bottom, each L-shaped mounting plate (3) is slidably connected to an end pressure plate (5) on the inner top, each end pressure plate (5) is fixedly connected to a protective pad (11) on the bottom, both sides of the base plate (1) are fixedly connected to vertical plates (6), the middle of the two vertical plates (6) are fixedly connected to a horizontal plate (7), both sides of the bottom of the horizontal plate (7) are slidably connected to sliding plates (8), each sliding plate (8) is fixedly connected to an electric telescopic rod (9) on the bottom, each electric telescopic rod (9) is fixedly connected to a side plate (10) at its output end, and both sides of the two side plates (10) are slidably connected to an auxiliary clamping plate (12) on one side close to each other.

2. The SMT printing machine steel mesh pressing device according to claim 1, characterized in that: A No. 1 double-headed motor (13) is fixedly connected to the middle of the inner wall of each adjustment plate (2); each No. 1 double-headed motor (13) and each No. 1 double-headed motor (13) are fixedly connected to a No. 1 screw rod (14) at both ends; each end of the No. 1 screw rod (14) is rotatably connected to the inner wall of the corresponding adjustment plate (2); a slider (15) is threadedly connected to the middle of each No. 1 screw rod (14); each slider (15) passes through the corresponding adjustment plate (2) side wall slide groove and is fixedly connected to the corresponding L-shaped mounting plate (3).

3. The SMT printing machine steel mesh pressing device according to claim 1, characterized in that: A No. 2 double-headed motor (16) is fixedly connected to the middle of the inner wall of the transverse plate (7), and No. 2 screws (17) are fixedly connected to both ends of the No. 2 double-headed motor (16). One end of each No. 2 screw (17) away from the No. 2 double-headed motor (16) is rotatably connected to the inner wall of the transverse plate (7), and a guide block (18) is threadedly connected to the middle of each No. 2 screw (17), and the bottom end of each guide block (18) passes through the bottom slide groove of the transverse plate (7) and is fixedly connected to the corresponding sliding plate (8).

4. The SMT printing machine steel mesh pressing device according to claim 1, characterized in that: The inner wall end of the base plate (1) is fixedly connected to a driving motor (19), the output end of the driving motor (19) is fixedly connected to a bidirectional screw (20), the end of the bidirectional screw (20) is rotatably connected to the inner wall of the base plate (1), both ends of the bidirectional screw (20) are threadedly connected to transmission blocks (21), and each transmission block (21) passes through the top slide groove of the base plate (1) and is fixedly connected to the bottom of the corresponding adjustment plate (2).

5. The SMT printing machine steel mesh pressing device according to claim 1, characterized in that: Each of the L-shaped mounting plates (3) and the side plates (10) is provided with a driving mechanism, and each driving mechanism drives the corresponding end pressure plate (5) and auxiliary clamping plate (12) to move.

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