PCB coating film fixing structure

Abstract

The utility model relates to the technical field of Parylene coating, and discloses a PCB coating fixing structure, which comprises a product left and right fulcrum plate, a PCB body, a bottom mounting plate, three short fixing columns and three long fixing columns, the product left and right fulcrum plate is triangular and is provided with accommodating grooves, the middle part of the upper end surface of the product left and right fulcrum plate is provided with a square groove, and the bottom mounting plate is provided with three long fixing columns. A plurality of second annular grooves are annularly formed in the upper end face of the product left-right fulcrum plate, a round hole is formed in the middle of the upper end face of the bottom mounting plate, a plurality of fan holes are annularly formed in the upper end face of the bottom mounting plate, and a plurality of first annular grooves are annularly formed in the upper end face of the bottom mounting plate. According to the utility model, the products to be processed can be orderly and stably fixed for coating, the space of the coating cavity can be utilized to the greatest extent in space, and the compartments between the products are consistent, so that the film layer is more uniform and better in consistency when acting on the products, the safety is higher, the reliability is higher, and the risk that the products fall off is completely eradicated.

Description

Technical Field

[0001] The utility model relates to the technical field of parylene coating, in particular to a PCB coating fixing structure. Background Art

[0002] Parylene is a coating process that is mainly used for the surface treatment of metal products to provide a protective coating and improve the appearance. Parylene coating is widely used in the surface treatment of metal products, including automotive parts, household items and industrial equipment. Parylene coating forms a protective film through chemical reactions to improve the corrosion resistance and appearance quality of metal products. It is a commonly used metal surface treatment method.

[0003] Circuit boards and display light boards often require Parylene coating process because of their large area and usually rectangular size, while the coating cavity space is extremely limited. The traditional arrangement of the plates cannot meet the required requirements in terms of quantity, efficiency and quality control.

[0004] Therefore, the utility model provides a PCB coating fixing structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a PCB coating fixing structure is proposed, which can quickly fix the product on a plate, improve production efficiency, make the intervals consistent so that the film thickness can be consistent, have a certain degree of safety, and avoid the possibility of falling products and collisions between them.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB coating fixing structure, comprising left and right fulcrum plates, a PCB body, a bottom mounting plate, three short fixing columns and three long fixing columns, the left and right fulcrum plates of the product are triangular in shape and are provided with accommodating grooves, the middle of the upper end surfaces of the left and right fulcrum plates of the product are provided with square grooves, and the upper end surfaces of the left and right fulcrum plates of the product are annular in shape and are provided with a plurality of second annular grooves;

[0007] A circular hole is provided in the middle of the upper surface of the bottom mounting plate, a plurality of fan holes are provided in an annular shape on the upper surface of the bottom mounting plate, a plurality of first annular grooves are provided in an annular shape on the upper surface of the bottom mounting plate, an outer ring lower fulcrum plate is fixedly provided on the upper surface of the bottom mounting plate outside the plurality of first annular grooves, and an inner ring lower fulcrum plate is fixedly provided on the upper surface of the bottom mounting plate between the plurality of first annular grooves and the plurality of fan holes;

[0008] Through the above technical scheme, by providing a square groove in the middle of the upper end of the left and right fulcrum plates of the product, and a second ring groove in a ring shape on the upper end surface, it is convenient to accommodate the PCB body, and by providing a circular hole in the upper end of the bottom mounting plate, and a fan hole and a first ring groove in a ring shape, it is convenient to accommodate the bottom of the PCB body, and by providing an outer ring lower fulcrum plate fixedly provided on the upper end surface of the bottom mounting plate outside the multiple first ring grooves and an inner ring lower fulcrum plate fixedly provided between the multiple first ring grooves and the multiple fan holes, it is convenient to support the bottom of the PCB body and prevent the PCB body from shaking during installation.

[0009] Furthermore, the three short fixing columns are fixedly arranged between the left and right fulcrum plates of the product and the bottom mounting plate to form a triangle;

[0010] Through the above technical solution, short fixing columns are fixedly arranged in a triangular shape between the left and right fulcrum plates of the product and the bottom mounting plate, so that the left and right fulcrum plates of the product are fixedly connected with the bottom mounting plate.

[0011] Furthermore, the three long fixing columns are fixedly arranged inside the three receiving grooves and above the bottom mounting plate;

[0012] Through the above technical solution, the long fixing columns are fixed inside the three accommodating grooves and above the bottom mounting plate, so that the PCB body can be limited in three directions during installation, so that the PCB body can be upright and fixed on this structure.

[0013] Furthermore, a plurality of characteristic grooves are provided on the inner sides of the plurality of second annular grooves;

[0014] Through the above technical solution, by setting the characteristic groove opened on the inner side of the second annular groove, it is convenient to limit and fix the PCB body around the characteristic groove so that the PCB body can be clamped.

[0015] Furthermore, the PCB body is clamped inside a plurality of characteristic grooves and is clamped at the upper ends of the outer circle fulcrum plate and the inner circle fulcrum plate;

[0016] Through the above technical solution, the PCB body is clamped around the characteristic groove and the upper ends of the outer circle fulcrum plate and the inner circle fulcrum plate, so that the PCB body is limited during installation and prevented from shaking, and the PCB body can be installed and disassembled.

[0017] The utility model has the following beneficial effects:

[0018] The utility model proposes a PCB coating fixing structure, which fixes the left and right fulcrum plates of the product and the bottom mounting plate by short fixing piles arranged between the two, and makes the second ring groove annularly provided on the upper end surfaces of the left and right fulcrum plates of the product so that the second ring groove is convenient for clamping the circumference of the PCB body into a characteristic groove provided on the inner side of the second ring groove for position limiting and fixing, and supports the PCB body by the outer circle lower fulcrum plate and the inner circle lower fulcrum plate at the upper end of the bottom mounting plate to form a lower supporting fulcrum, so that the PCB body forms a cage-shaped distribution pattern, can quickly fix the product on a plate, improve production efficiency, make the intervals consistent so that the thickness of the film layer is consistent, has a certain degree of safety, and avoids the possibility of falling products and collisions between them. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0020] Figure 2 It is an explosion diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the axial side of the PCB body of the utility model;

[0022] Figure 4 It is a schematic diagram of the axial side of the left and right fulcrum plates of the product of the utility model.

[0023] Legend:

[0024] 1. Long fixed column; 2. Product left and right fulcrum plates; 3. Short fixed column; 4. Bottom mounting plate; 5. Outer circle lower fulcrum plate; 6. Inner circle lower fulcrum plate; 7. Fan hole; 8. Round hole; 9. First ring groove; 10. Square groove; 11. Feature groove; 12. Second ring groove; 13. PCB body; 14. Accommodating groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-4The utility model provides an embodiment: a PCB coating fixing structure, including left and right fulcrum plates 2 of the product, a PCB body 13, a bottom mounting plate 4, three short fixing columns 3 and three long fixing columns 1. The left and right fulcrum plates 2 of the product are triangular in shape and are provided with accommodating grooves 14. The middle part of the upper end surface of the left and right fulcrum plates 2 of the product is provided with a square groove 10. The upper end surface of the left and right fulcrum plates 2 of the product is annular and is provided with a plurality of second annular grooves 12. The PCB body 13 to be processed can be fixed in an orderly and stable manner for coating. From the perspective of space, the coating cavity space can be utilized to the maximum extent and the compartments between the products are consistent, so that the film layer can act on the product more evenly and with better consistency. In terms of safety, compared with traditional hooks, it is more reliable and eliminates the risk of product falling.

[0027] A circular hole 8 is provided in the middle of the upper end surface of the bottom mounting plate 4, a plurality of fan holes 7 are provided in an annular shape on the upper end surface of the bottom mounting plate 4, a plurality of first annular grooves 9 are provided in an annular shape on the upper end surface of the bottom mounting plate 4, an outer ring lower fulcrum plate 5 is fixedly provided on the upper end surface of the bottom mounting plate 4 outside the plurality of first annular grooves 9, an inner ring lower fulcrum plate 6 is fixedly provided on the upper end surface of the bottom mounting plate 4 between the plurality of first annular grooves 9 and the plurality of fan holes 7, and a square groove 10 is provided in the middle of the upper end of the left and right fulcrum plates 2 of the product, and a second annular groove 1 is provided in an annular shape on the upper end surface. 2. It is convenient to accommodate the PCB body 13. The circular hole 8 opened at the upper end of the bottom mounting plate 4 and the annular fan hole 7 and the first ring groove 9 are convenient to accommodate the bottom of the PCB body 13. The outer circle lower fulcrum plate 5 is fixedly arranged on the upper end surface of the bottom mounting plate 4 outside the multiple first ring grooves 9 and the inner circle lower fulcrum plate 6 is fixedly arranged between the multiple first ring grooves 9 and the multiple fan holes 7. It is convenient to support the bottom step of the PCB body 13 to prevent the PCB body 13 from shaking during installation.

[0028] The three short fixing columns 3 are fixedly arranged in a triangle shape between the left and right fulcrum plates 2 of the product and the bottom mounting plate 4. The short fixing columns 3 are fixedly arranged in a triangle shape between the left and right fulcrum plates 2 of the product and the bottom mounting plate 4, so that the left and right fulcrum plates 2 of the product are fixedly connected with the bottom mounting plate 4. The three long fixing columns 1 are fixedly arranged inside the three accommodating grooves 14 and above the bottom mounting plate 4. The long fixing columns 1 are fixedly arranged inside the three accommodating grooves 14 and above the bottom mounting plate 4, so that the PCB body 13 can be limited in three directions during installation, so that the PCB body 13 can be upright fixed on this structure.

[0029] A plurality of characteristic grooves 11 are provided on the inner sides of the plurality of second annular grooves 12. The characteristic grooves 11 provided on the inner sides of the second annular grooves 12 facilitate the PCB body 13 to be fixed around the PCB body 13 at the positions of the characteristic grooves 11, so that the PCB body 13 is snapped in. The PCB body 13 is snapped in the plurality of characteristic grooves 11 and is snapped on the upper ends of the outer circle fulcrum plate and the inner circle fulcrum plate. The PCB body 13 is snapped in the characteristic grooves 11 and the upper ends of the outer circle fulcrum plate and the inner circle fulcrum plate, so that the PCB body 13 is limited during installation and prevented from shaking, and the PCB body 13 can be installed and disassembled.

[0030] Working principle: insert the PCB body 13 into the product according to the characteristic groove 11 inside the second ring groove 12 on the left and right fulcrum plates 2. The left and right sides of the PCB body 13 will be limited and fixed by the characteristic groove 11. After the PCB body 13 is inserted, the inner circle lower fulcrum plate 6 and the outer circle lower fulcrum plate 5 form a lower support fulcrum, and form a three-way limited space with the left and right fulcrum plates 2 of the product, so that the PCB body 13 can be upright and fixed on this structure. After the PCB body 13 is loaded in sequence, a cage-shaped distribution pattern is formed. The whole set can be placed in the coating cavity. After the coating of the PCB body 13 is completed, the carrier board is taken out of the coating cavity as a whole set, and the coated products are pulled out in sequence.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A PCB coating fixing structure, comprising left and right fulcrum plates (2), a PCB body (13), a bottom mounting plate (4), three short fixing columns (3) and three long fixing columns (1), characterized in that: The left and right fulcrum plates (2) of the product are triangular in shape and are provided with receiving grooves (14); the middle of the upper end surfaces of the left and right fulcrum plates (2) of the product are provided with square grooves (10); the upper end surfaces of the left and right fulcrum plates (2) of the product are annular in shape and are provided with a plurality of second annular grooves (12); A circular hole (8) is provided in the middle of the upper end surface of the bottom mounting plate (4), a plurality of fan holes (7) are provided in an annular shape on the upper end surface of the bottom mounting plate (4), a plurality of first annular grooves (9) are provided in an annular shape on the upper end surface of the bottom mounting plate (4), an outer ring lower fulcrum plate (5) is fixedly provided on the upper end surface of the bottom mounting plate (4) outside the plurality of first annular grooves (9), and an inner ring lower fulcrum plate (6) is fixedly provided on the upper end surface of the bottom mounting plate (4) between the plurality of first annular grooves (9) and the plurality of fan holes (7).

2. A PCB coating fixing structure according to claim 1, characterized in that: The three short fixing columns (3) are fixedly arranged between the left and right supporting plates (2) of the product and the bottom mounting plate (4) to form a triangle.

3. The PCB coating fixing structure according to claim 1, characterized in that: The three long fixing columns (1) are fixedly arranged inside the three containing grooves (14) and above the bottom mounting plate (4).

4. The PCB coating fixing structure according to claim 1, characterized in that: A plurality of characteristic grooves (11) are formed on the inner sides of each of the plurality of second annular grooves (12).

5. A PCB coating fixing structure according to claim 4, characterized in that: The PCB body (13) is clamped and arranged inside a plurality of characteristic grooves (11) and is clamped and arranged on the upper ends of the outer circle fulcrum plate and the inner circle fulcrum plate.

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