CN215904114U - Solder paste printing device suitable for frameless solder paste steel mesh - Google Patents
Solder paste printing device suitable for frameless solder paste steel mesh Download PDFInfo
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- CN215904114U CN215904114U CN202122207563.6U CN202122207563U CN215904114U CN 215904114 U CN215904114 U CN 215904114U CN 202122207563 U CN202122207563 U CN 202122207563U CN 215904114 U CN215904114 U CN 215904114U
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- steel mesh
- solder paste
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- frameless
- circuit board
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Abstract
The utility model discloses a solder paste printing device suitable for a frameless solder paste steel mesh, which comprises a platform main body, wherein a plurality of positioning holes are fixedly arranged at the lower end in the platform main body, a plurality of steel mesh positioning columns are fixedly arranged on one side of the upper end of the platform main body, a steel mesh pressing plate is fixedly arranged on one side of the platform main body close to the steel mesh positioning columns, a plurality of threaded holes are fixedly arranged on one side of the platform main body close to the steel mesh positioning columns, and a steel mesh is fixedly arranged at the upper end of the platform main body. The utility model discloses a solder paste printing device suitable for a frameless solder paste steel mesh, which can print repeatedly by only lifting the steel mesh and placing a new circuit board when printing is finished, solves the problem that whether the steel mesh corresponds to the circuit board or not by naked eyes, improves the production efficiency of the device, is simple to operate, and reduces the working difficulty of workers.
Description
Technical Field
The utility model relates to the technical field of solder paste printing devices, in particular to a solder paste printing device suitable for a frameless solder paste steel mesh.
Background
Solder paste printing is an important link in an SMT (surface mount technology) manufacturing process, the quality of solder paste printing is directly related to the yield of products after reflow soldering is completed, nowadays, along with the gradual miniaturization of chip components, the area of a PCB (printed circuit board) is smaller and smaller, several sample plates (development versions before product volume production) are welded in the development process of electronic products to check the reasonability and reliability of product design, the sample plate is commonly called as a sample printing, the sample printing is 5 circuit boards, if only several sample plates are welded, a conventional solder paste steel mesh (the area is 37 cm by 47 cm, and an aluminum frame) is opened for several times, and waste is difficult to avoid.
The prior patent (application number: CN202020317613.9) discloses a steel mesh and a device for solder paste printing, which comprises a steel mesh body and a plurality of printing units, the printing unit comprises a plurality of hollow areas which are not communicated with each other, the printing unit corresponds to the welding area of the power device module, the area of the printing unit is 0.95 to 1.05 times of the area of the corresponding welding area, a plurality of hollow-out areas which are not communicated with each other are arranged on the printing unit of the steel mesh, and as the hollow-out areas correspond to the printing areas of the solder paste, therefore, the hollow areas which are not communicated with each other can print the solder pastes which are not communicated with each other, so that channels appear among the solder pastes, and then make solvent and scaling powder gas in the solder paste can be discharged through the passageway in the in-process of reflow soldering, has alleviated the chip removal or the skew that solvent and scaling powder gas lead to a certain extent. But the device can not be fine fixed to the printing member, needs to judge the precision with naked eyes, and complex operation, production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a solder paste printing device suitable for a frameless solder paste steel mesh.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a tin cream printing device suitable for frameless tin cream steel mesh, includes the platform main part, the fixed a plurality of location caves that are provided with of the inside lower extreme of platform main part, platform main part upper end one side is fixed and is provided with a plurality of steel mesh reference columns, one side that the platform main part is close to the steel mesh reference column is fixed and is provided with the steel mesh clamp plate, one side that the platform main part is close to the steel mesh reference column is fixed and is provided with a plurality of screw holes, the fixed steel mesh that is provided with in platform main part upper end.
As a further description of the above technical solution:
the platform main part is inside to be provided with a plurality of circuit board reference columns, and is a plurality of circuit board reference column joint is inside the location cave.
As a further description of the above technical solution:
a circuit board edge limiting step is fixedly arranged on one circle of the upper end of the platform main body.
As a further description of the above technical solution:
the steel mesh pressing plate is fixedly provided with a plurality of pressing plate positioning holes inside, and the pressing plate positioning holes are fixedly sleeved on the outer walls of the corresponding steel mesh positioning columns.
As a further description of the above technical solution:
the steel mesh clamp plate upper end is fixed and is provided with a plurality of clamp plate fastening screws, and is a plurality of the equal threaded connection of clamp plate fastening screw is inside the screw hole that corresponds.
As a further description of the above technical solution:
the fixed circuit board that is provided with in platform main part upper end, the circuit board is through the equal fixed joint of a plurality of constant head tanks at circuit board reference column outer wall.
As a further description of the above technical solution:
a plurality of steel mesh positioning holes are fixedly formed in one side of the steel mesh and are all sleeved on the outer walls of the corresponding steel mesh positioning columns.
As a further description of the above technical solution:
and a pad window is fixedly arranged on the front end face of the steel mesh.
The utility model has the following beneficial effects:
1. according to the solder paste printing device suitable for the frameless solder paste steel mesh, the plurality of positioning holes and the circuit board positioning columns are arranged in the platform main body, the circuit board can be accurately positioned through the circuit board positioning columns and the circuit board edge limiting steps, and meanwhile the problem of low printing precision caused by shaking in the operation process is solved.
2. According to the solder paste printing device suitable for the frameless solder paste steel mesh, the steel mesh is precisely aligned with the circuit board through the steel mesh positioning column, so that the pad windowing corresponds to the pad on the circuit board precisely, the printing precision is high, and the production efficiency of the device is improved.
3. According to the solder paste printing device suitable for the frameless solder paste steel mesh, when printing is completed, the steel mesh is only required to be lifted, and a new circuit board is placed, so that repeated printing can be realized, the problem that whether the steel mesh corresponds to the circuit board or not is judged by naked eyes in the prior art is solved, the production efficiency of the device is improved, the operation is simple, and the working difficulty of workers is reduced.
Drawings
Fig. 1 is a perspective view of a solder paste printing apparatus for a frameless solder paste steel mesh according to the present invention;
FIG. 2 is a schematic view of a solder paste printing apparatus for a frameless solder paste steel mesh according to the present invention;
FIG. 3 is a schematic view of a main structure of a platform of a solder paste printing apparatus for a frameless solder paste steel mesh according to the present invention;
fig. 4 is a schematic diagram of a steel mesh structure of a solder paste printing apparatus suitable for a frameless solder paste steel mesh according to the present invention.
Illustration of the drawings:
1. a platform body; 2. positioning the acupuncture points; 3. a circuit board positioning column; 4. a circuit board edge limiting step; 5. a steel mesh positioning column; 6. a steel mesh pressing plate; 7. a press plate positioning hole; 8. a threaded hole; 9. a pressing plate fastening screw; 10. a circuit board; 11. a steel mesh; 12. a steel mesh positioning hole; 13. and windowing the bonding pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: a solder paste printing device suitable for a frameless solder paste steel mesh comprises a platform main body 1, wherein a plurality of positioning holes 2 are fixedly arranged at the lower end in the platform main body 1, a plurality of steel mesh positioning columns 5 are fixedly arranged on one side of the upper end of the platform main body 1, the steel mesh positioning columns 5 are clamped in the positioning holes 2, a steel mesh pressing plate 6 is fixedly arranged on one side, close to the steel mesh positioning columns 5, of the platform main body 1, a plurality of threaded holes 8 are fixedly arranged on one side, close to the steel mesh positioning columns 5, of the platform main body 1, and a steel mesh 11 is fixedly arranged at the upper end of the platform main body 1;
a plurality of circuit board positioning columns 3 are arranged in the platform main body 1, a plurality of circuit board positioning columns 3 are clamped in the positioning holes 2, a circuit board edge limiting step 4 is fixedly arranged on the periphery of the upper end of the platform main body 1 to limit a circuit board 10 at the circuit board edge limiting step 4, a plurality of press plate positioning holes 7 are fixedly arranged in the steel mesh press plate 6, a plurality of press plate positioning holes 7 are fixedly sleeved on the outer wall of the corresponding steel mesh positioning columns 5, a plurality of press plate fastening screws 9 are fixedly arranged at the upper end of the steel mesh press plate 6, a plurality of press plate fastening screws 9 are all in threaded connection with the corresponding threaded holes 8, a circuit board 10 is fixedly arranged at the upper end of the platform main body 1, the circuit board 10 is fixedly clamped on the outer wall of the circuit board positioning columns 3 through a plurality of positioning grooves, a plurality of steel mesh positioning holes 12 are fixedly arranged at one side of the steel mesh 11, the steel mesh positioning holes 12 are all sleeved on the outer walls of the corresponding steel mesh positioning columns 5, the front end faces of the steel meshes 11 are fixedly provided with pad windows 13, and the pad windows 13 are precisely corresponding to pads on the circuit board 10.
The working principle is as follows: when the solder paste printing device of the frameless solder paste steel mesh is used, the circuit board 10 is fixed at the upper end of the platform main body 1 through the circuit board positioning column 3, the steel mesh positioning hole 12 is sleeved on the outer wall of the steel mesh positioning column 5, the steel mesh 11 is tightly attached to the circuit board 10, meanwhile, the pad windowing 13 is precisely corresponding to a pad on the circuit board 10, the steel mesh pressing plate 6 is fixed at the upper end of the platform main body 1 through the pressing plate fastening screw 9, after tin is brushed, the steel mesh 11 is lifted, and tin brushing can be repeated by replacing a new circuit board 10.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a tin cream printing device suitable for frameless tin cream steel mesh, includes platform main part (1), its characterized in that: the fixed a plurality of location caves (2) that are provided with of inside lower extreme of platform main part (1), platform main part (1) upper end one side is fixed and is provided with a plurality of steel mesh reference columns (5), one side that platform main part (1) is close to steel mesh reference column (5) is fixed and is provided with steel mesh clamp plate (6), one side that platform main part (1) is close to steel mesh reference column (5) is fixed and is provided with a plurality of screw holes (8), fixed steel mesh (11) that are provided with in platform main part (1) upper end.
2. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: the platform is characterized in that a plurality of circuit board positioning columns (3) are arranged inside the platform main body (1), and the circuit board positioning columns (3) are connected inside the positioning holes (2) in a clamped mode.
3. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: a circuit board edge limiting step (4) is fixedly arranged on one circle of the upper end of the platform main body (1).
4. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: the steel mesh pressing plate is characterized in that a plurality of pressing plate positioning holes (7) are fixedly arranged inside the steel mesh pressing plate (6), and the pressing plate positioning holes (7) are fixedly sleeved on the outer walls of the corresponding steel mesh positioning columns (5).
5. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: the steel mesh pressing plate is characterized in that a plurality of pressing plate fastening screws (9) are fixedly arranged at the upper end of the steel mesh pressing plate (6), and the pressing plate fastening screws (9) are connected inside corresponding threaded holes (8) in a threaded mode.
6. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: the fixed circuit board (10) that is provided with in platform main part (1) upper end, circuit board (10) are at circuit board reference column (3) outer wall through the equal fixed joint of a plurality of constant head tanks.
7. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: a plurality of steel mesh positioning holes (12) are fixedly arranged on one side of the steel mesh (11), and the steel mesh positioning holes (12) are all sleeved on the outer walls of the corresponding steel mesh positioning columns (5).
8. The solder paste printing apparatus for a frameless solder paste steel mesh as recited in claim 1, further comprising: and a pad windowing (13) is fixedly arranged on the front end face of the steel mesh (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207563.6U CN215904114U (en) | 2021-09-13 | 2021-09-13 | Solder paste printing device suitable for frameless solder paste steel mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207563.6U CN215904114U (en) | 2021-09-13 | 2021-09-13 | Solder paste printing device suitable for frameless solder paste steel mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215904114U true CN215904114U (en) | 2022-02-25 |
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ID=80294649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122207563.6U Active CN215904114U (en) | 2021-09-13 | 2021-09-13 | Solder paste printing device suitable for frameless solder paste steel mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215904114U (en) |
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2021
- 2021-09-13 CN CN202122207563.6U patent/CN215904114U/en active Active
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