PCB immersion gold hanging basket

Abstract

The utility model discloses a PCB gold sinking hanging basket, including a frame, a hook assembly, a first positioning comb and a second positioning comb. The frame is made of polypropylene material, the hook assembly is detachably connected to the top of the frame, the first positioning comb is arranged at the bottom of the frame to support the circuit board, the first positioning comb is provided with a plurality of first sawtooth portions arranged at intervals, a first positioning groove is formed between two adjacent first sawtooth portions, the second positioning comb is located on one side of the frame along the horizontal direction, the second positioning comb is provided with a plurality of second sawtooth portions arranged at intervals, a second positioning groove is formed between two adjacent second sawtooth portions, and the extension direction of the second positioning comb is the same as that of the first positioning comb. The PCB gold sinking hanging basket of the utility model does not need to be provided with rubber coating, can avoid the defects caused by the rubber coating, and improve the service life.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB hanging baskets, in particular to a PCB immersion gold hanging basket. Background Art

[0002] When making PCB boards, there is a surface treatment process called immersion gold process. During the immersion gold process, the PCB board needs to be placed in a hanging basket, and then the hanging basket is placed in a chemical solution pool for immersion gold. The purpose of immersion gold is to use chemical principles to deposit a uniform layer of nickel gold on the components on the PCB board that are not covered with green oil to protect the original copper surface. In the production process of PCB boards, the immersion gold process is a key link in the production of PCB boards, and the quality of immersion gold is directly related to the performance of the PCB board.

[0003] The existing PCB gold sinking basket is generally made of stainless steel, and the stainless steel is covered with rubber. The disadvantages of this kind of basket are: the rubber skin is easy to be damaged and needs to be replaced every half a month; after the rubber is aged and damaged, the medicine will be hidden in the rubber skin, and the basket is easy to cross-contaminate the medicine when passing through different medicine tanks, affecting the quality; after the rubber is damaged, nickel and gold will be deposited on the stainless steel material, resulting in excessive consumption of precious metals and cost loss; the rubber-covered basket must be transported and handled with special care, as the rubber is easily worn out. In addition, the existing gold sinking basket fails to separate the PCB boards well, resulting in the two adjacent PCB boards being easily adhered together, making it difficult for the medicine to contact the adhered surfaces of the PCB boards, affecting the quality of gold sinking. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a PCB immersion gold hanging basket, the frame body is made of polypropylene material, no rubber coating is required, defects caused by rubber coating can be avoided, and the service life can be improved.

[0005] According to the embodiment of the utility model, the PCB immersion gold hanging basket includes: a frame body, which is made of polypropylene material; a hook assembly, which is detachably connected to the top of the frame body; a first positioning comb, which is arranged at the bottom of the frame body to support the circuit board, and the first positioning comb is provided with a plurality of first sawtooth portions arranged at intervals, and a first positioning groove is formed between two adjacent first sawtooth portions; a second positioning comb, which is located on one side of the frame body along the horizontal direction, and the second positioning comb is provided with a plurality of second sawtooth portions arranged at intervals, and a second positioning groove is formed between two adjacent second sawtooth portions, and the extension direction of the second positioning comb is the same as the extension direction of the first positioning comb.

[0006] The PCB gold sinking hanging basket according to the embodiment of the utility model has at least the following beneficial effects: the frame is made of polypropylene material, does not react with most chemicals, has corrosion resistance, and has good heat resistance. There is no need to set a rubber bag outside the frame, which can avoid the defects caused by the rubber bag, improve the quality of the gold sinking process, and has good durability, can be used for a long time and many times, and the polypropylene material has good mechanical properties and is very impact-resistant. Slight collisions during use have no effect and have a long service life. In addition, by arranging the first positioning comb and the second positioning comb, the first positioning comb and the second positioning comb can support the circuit board, and the first serration portion on the first positioning comb and the second serration portion on the second positioning comb can separate the circuit board to ensure that the medicine can contact the surface of the circuit board, thereby improving the quality of gold sinking.

[0007] According to some embodiments of the utility model, the PCB immersion gold hanging basket includes a third positioning comb, the third positioning comb is located above the first positioning comb, the third positioning comb is provided with a plurality of third serrations arranged at intervals, and the extension direction of the third positioning comb is the same as the extension direction of the first positioning comb.

[0008] According to some embodiments of the utility model, the frame includes a first mounting portion extending in the up-down direction, the first mounting portion is provided with a first adjustment hole extending in the up-down direction, the third positioning comb is detachably connected to the first mounting portion through a fastener, and the fastener is passed through the first adjustment hole.

[0009] According to some embodiments of the utility model, the first mounting portion is provided with a mounting hole, the mounting hole is located above the first adjustment hole, the mounting hole is connected to the first adjustment hole, the width of the mounting hole is greater than the width of the first adjustment hole, and the third positioning comb can pass through the mounting hole.

[0010] According to some embodiments of the utility model, the frame includes a second mounting portion extending in the up-down direction, the second mounting portion is provided with a second adjustment hole extending in the horizontal direction, the third positioning comb is detachably connected to the second mounting portion through a fastener, and the fastener is passed through the second adjustment hole.

[0011] According to some embodiments of the present invention, there are multiple first positioning combs, and the multiple first positioning combs are arranged at intervals in the up and down direction; there are multiple second positioning combs, and the multiple second positioning combs are arranged at intervals in the horizontal direction.

[0012] According to some embodiments of the utility model, the hook assembly is made of stainless steel material, and the hook assembly includes a hook body, a mounting rod, a first plate, a second plate and a reinforcing plate. The mounting rod and the first plate both extend in a horizontal direction, the lower end of the first plate is welded to the mounting rod, and the two ends of the mounting rod are connected to the frame body through fasteners. The second plate extends in an up and down direction, and the lower end of the second plate is connected to the middle part of the first plate. The reinforcing plate is inclined, the upper end of the reinforcing plate is connected to the second plate, and the lower end of the reinforcing plate is connected to the first plate, and the hook body is arranged at the upper end of the second plate.

[0013] According to some embodiments of the present invention, the first plate, the second plate and the reinforcing plate form a triangular structure.

[0014] According to some embodiments of the utility model, the hook body includes a spring sheet portion and an inverted concave-shaped hook portion, the hook portion and the first plate are an integral structure, the lower end of the spring sheet portion is connected to the lower end of the hook portion, the spring sheet portion is located inside the hook portion, the hook portion is threaded with a bolt extending in a horizontal direction, and the end of the bolt is connected to the spring sheet portion.

[0015] According to some embodiments of the present invention, a fin portion is provided at one end of the bolt away from the hook body.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the structure of a PCB immersion gold hanging basket in some embodiments of the utility model;

[0019] Figure 2 It is a front view of a PCB immersion gold hanging basket according to some embodiments of the utility model;

[0020] Figure 3 It is a left view of a PCB immersion gold hanging basket according to some embodiments of the utility model;

[0021] Figure 4 This is a schematic structural diagram of the first positioning comb of the PCB immersion gold hanging basket in some embodiments of the utility model.

[0022] Reference numerals:

[0023] PCB immersion gold hanging basket 1000;

[0024] The frame 100, the first mounting portion 110, the first adjustment hole 111, the mounting hole 112, the second mounting portion 120, and the second adjustment hole 121;

[0025] The hook assembly 200, the hook body 210, the spring portion 211, the hook portion 212, the bolt 213, the fin portion 214, the mounting rod 220, the first plate 230, the second plate 240, and the reinforcing plate 250;

[0026] A first positioning comb 300, a first sawtooth portion 310, and a first positioning groove 311;

[0027] The second positioning comb 400 . DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] Reference Figure 1 As shown in the figure, the PCB immersion gold hanging basket 1000 of the embodiment of the utility model includes a frame 100, a hook assembly 200, a first positioning comb 300 and a second positioning comb 400. The frame 100 is made of polypropylene material (PP material). The hook assembly 200 is detachably connected to the top of the frame 100, and the hook assembly 200 hangs the entire frame 100. The first positioning comb 300 is arranged at the bottom of the frame 100, and the first positioning comb 300 is used to support the circuit board. Figure 4 As shown, the first positioning comb 300 is provided with a plurality of first sawtooth portions 310 arranged at intervals, and the first sawtooth portions 310 may be a trapezoidal structure or a triangular structure, and the first sawtooth portions 310 are arranged upward, and a first positioning groove 311 is formed between two adjacent first sawtooth portions 310. The structure of the second positioning comb 400 is substantially the same as that of the first positioning comb 300, and the second positioning comb 400 is located on one side of the frame 100 along the left-right direction, and the second positioning comb 400 is provided with a plurality of second sawtooth portions arranged at intervals, and the second sawtooth portions are arranged to the left or right, depending on whether the second positioning comb 400 is located on the left or right side of the frame 100, and a second positioning groove is formed between two adjacent second sawtooth portions, and the extension direction of the second positioning comb 400 is the same as that of the first positioning comb 300, and both extend along the front-back direction.

[0030] For the PCB immersion gold hanging basket 1000 of this embodiment, when the immersion gold process is carried out, the circuit board is placed in the frame 100. The frame 100 is made of polypropylene material, which does not react with most chemicals, has corrosion resistance, and has good heat resistance. The continuous use temperature can reach 110-120 degrees Celsius. The polypropylene material also has good electrical insulation and environmental protection characteristics. It is a non-toxic and odorless material. There is no need to set a rubber package outside the frame 100, which can avoid the defects caused by the rubber package, improve the quality of the immersion gold process, and has good durability. It can be used for a long time and many times. In addition, the polypropylene material has good mechanical properties and is very impact-resistant. Slight collisions during use have no effect and have a long service life. In addition, by arranging the first positioning comb 300 and the second positioning comb 400, the first positioning comb 300 and the second positioning comb 400 can support the circuit board. The first serration portion 310 on the first positioning comb 300 and the second serration portion on the second positioning comb 400 can separate the circuit board to ensure that the liquid medicine can contact the surface of the circuit board and improve the immersion gold quality.

[0031] According to some embodiments of the present invention, the corners of the frame 100 are rounded. When the PCB immersion gold hanging basket 1000 is lifted after the immersion gold process is completed, the frame 100 is separated from the solution, which can speed up the dripping of the solution on the frame 100, reduce the carrying out of precious solutions such as gold salt, and save costs.

[0032] According to some embodiments of the utility model, the PCB immersion gold hanging basket 1000 includes a third positioning comb, the third positioning comb is located above the first positioning comb 300, the third positioning comb is provided with a plurality of third sawtooth portions arranged at intervals, and the extension direction of the third positioning comb is the same as the extension direction of the first positioning comb 300. The structure of the third positioning comb is substantially the same as that of the first positioning comb 300.

[0033] Reference Figure 1 and Figure 2 As shown, according to some embodiments of the utility model, the frame 100 includes a first mounting portion 110 extending in the up-down direction, the first mounting portion 110 is provided with a first adjustment hole 111 extending in the up-down direction, and the third positioning comb is detachably connected to the first mounting portion 110 through a fastener, the fastener is made of polypropylene material, and the fastener is passed through the first adjustment hole 111. The height position of the third positioning comb can be adjusted, and it should be noted that the third serration portion of the third positioning comb can be set downward. After the third positioning comb is set in this embodiment, the upper end of the circuit board can also be positioned to improve the positioning effect and avoid the upper ends of the two circuit boards from sticking together. When in use, the circuit board can be placed first, and then the third positioning comb can be installed.

[0034] It should be noted that when fasteners, such as studs, are provided on both sides of the third positioning comb, when the third positioning comb is installed, the first mounting portion 110 may touch the fasteners and hinder the installation. Figure 1 and Figure 2 As shown, according to some embodiments of the utility model, the first mounting portion 110 is provided with a mounting hole 112, the mounting hole 112 is located above the first adjustment hole 111, the mounting hole 112 is connected to the first adjustment hole 111, and in the left-right direction, the width of the mounting hole 112 is greater than the width of the first adjustment hole 111, and the third positioning comb can pass through the mounting hole 112. When installing the third positioning comb, the third positioning comb can be horizontally inserted into the mounting hole 112, and then the third positioning comb is moved downward, so that the fasteners on both sides of the third positioning comb enter the first adjustment hole 111, and then the nuts are screwed on, which can facilitate installation.

[0035] Reference Figure 1 and Figure 2 As shown, according to some embodiments of the utility model, the frame 100 includes a second mounting portion 120 extending in the up-down direction, the second mounting portion 120 is provided with a second adjustment hole 121 extending in the horizontal direction, and the third positioning comb is detachably connected to the second mounting portion 120 through fasteners, the fasteners are located at both ends of the third positioning comb, the fasteners are made of polypropylene material, and the fasteners are passed through the second adjustment hole 121. The fasteners can be removed, and the third positioning comb can be adjusted in the extension direction of the second adjustment hole 121, so that the third positioning comb can be adjusted in the left-right direction. The second mounting portion 120 can be tilted, and when the immersion gold process is completed, when the PCB immersion gold hanging basket 1000 is lifted, the dripping of the medicine on the frame 100 can be accelerated.

[0036] In some embodiments, there are multiple third positioning combs, and the multiple third positioning combs can be installed on the first mounting portion 110 and the second mounting portion 120 .

[0037] Reference Figure 1 and Figure 2 As shown, according to some embodiments of the present invention, there are multiple first positioning combs 300, which are arranged at intervals in the vertical direction, and there are multiple second positioning combs 400, which are arranged at intervals in the horizontal direction. The positioning effect can be improved.

[0038] It should be noted that since the circuit board has a certain weight, when the number of circuit boards is large, the hook component 200 needs to bear a large weight. Therefore, it is necessary to consider how to set the structure of the hook component 200 to increase the structural strength and avoid the hook component 200 from breaking, so that the frame 100 can load more circuit boards at a time and improve the efficiency of gold plating.

[0039] According to some embodiments of the present invention, since the hook assembly 200 does not come into contact with the medicine, the hook assembly 200 is made of stainless steel material, which can improve the structural strength and prevent rust.

[0040] Reference Figure 2 and Figure 3 As shown, according to some embodiments of the utility model, the hook assembly 200 includes a hook body 210, a mounting rod 220, a first plate 230, a second plate 240 and a reinforcing plate 250. The mounting rod 220 and the first plate 230 both extend in the horizontal direction, the lower end of the first plate 230 is welded to the mounting rod 220, and both ends of the mounting rod 220 are connected to the frame 100 through fasteners. The second plate 240 extends in the up and down directions, and the lower end of the second plate 240 is connected to the middle of the first plate 230. The reinforcing plate 250 is tilted, the upper end of the reinforcing plate 250 is connected to the second plate 240, and the lower end of the reinforcing plate 250 is connected to the first plate 230. The hook body 210 is arranged at the upper end of the second plate 240. The reinforcing plate 250 can play a role in strengthening the structural strength, so that the hook assembly 200 can withstand a larger weight, so that the frame 100 can load more circuit boards at a time, thereby improving the efficiency of gold sinking. It can be understood that the first plate 230, the second plate 240 and the reinforcing plate 250 form a triangular structure, which can improve the structural strength.

[0041] It should be noted that the hook body 210 is generally hung on a hanging rod, and it is necessary to consider how to set the fastening structure of the hook body 210 so that the hook body 210 will not swing around the hanging rod.

[0042] Reference Figure 2 and Figure 3 As shown, according to some embodiments of the utility model, the hook body 210 includes a spring piece portion 211 and a hook portion 212 in an inverted concave shape, the hook portion 212 and the first plate 230 are an integral structure, the lower end of the spring piece portion 211 is connected to the lower end of the hook portion 212, the spring piece portion 211 is located inside the hook portion 212, the hook portion 212 is screwed with a bolt 213 extending in the horizontal direction, and the end of the bolt 213 is connected to the spring piece portion 211. The spring piece portion 211 is elastic and can produce a certain deformation. After tightening the bolt 213, the bolt 213 presses the spring piece portion 211, so that the spring piece portion 211 is pressed against the suspension rod, which can improve the fixing effect.

[0043] Reference Figure 3 As shown, according to some embodiments of the present invention, a fin portion 214 is provided at one end of the bolt 213 away from the hook body 210 , and the fin portion 214 can facilitate the rotation of the bolt 213 , thereby adjusting the tightness of the spring portion 211 .

[0044] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, inside, outside, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0045] In the description of the utility model, if there is a description of first or second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0046] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0047] The embodiments of the utility model are described in detail above in conjunction with the accompanying drawings. Finally, it should be explained that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. PCB immersion gold hanging basket, characterized in that: include: The frame is made of polypropylene material; A hook assembly, detachably connected to the top of the frame; A first positioning comb, disposed at the bottom of the frame body, for supporting the circuit board, the first positioning comb having a plurality of first sawtooth portions arranged at intervals, and a first positioning groove formed between two adjacent first sawtooth portions; The second positioning comb is located on one side of the frame along the horizontal direction. The second positioning comb is provided with a plurality of second serrations arranged at intervals. A second positioning groove is formed between two adjacent second serrations. The extension direction of the second positioning comb is the same as that of the first positioning comb.

2. The PCB immersion gold hanging basket according to claim 1, characterized in that: The PCB immersion gold hanging basket includes a third positioning comb, which is located above the first positioning comb. The third positioning comb is provided with a plurality of third serrations arranged at intervals, and the extension direction of the third positioning comb is the same as that of the first positioning comb.

3. The PCB immersion gold hanging basket according to claim 2, characterized in that: The frame includes a first mounting portion extending in the up-down direction, the first mounting portion is provided with a first adjustment hole extending in the up-down direction, the third positioning comb is detachably connected to the first mounting portion via a fastener, and the fastener is passed through the first adjustment hole.

4. The PCB immersion gold hanging basket according to claim 3, characterized in that: The first mounting portion is provided with a mounting hole, the mounting hole is located above the first adjusting hole, the mounting hole is connected to the first adjusting hole, the width of the mounting hole is greater than the width of the first adjusting hole, and the third positioning comb can pass through the mounting hole.

5. The PCB immersion gold hanging basket according to claim 2, characterized in that: The frame includes a second mounting portion extending in the up-down direction, the second mounting portion is provided with a second adjustment hole extending in the horizontal direction, the third positioning comb is detachably connected to the second mounting portion via a fastener, and the fastener is passed through the second adjustment hole.

6. The PCB immersion gold hanging basket according to claim 1, characterized in that: There are multiple first positioning combs, and the multiple first positioning combs are arranged at intervals in the vertical direction. There are multiple second positioning combs, and the multiple second positioning combs are arranged at intervals in the horizontal direction.

7. The PCB immersion gold hanging basket according to claim 1, characterized in that: The hook assembly is made of stainless steel material, and includes a hook body, a mounting rod, a first plate, a second plate and a reinforcing plate. The mounting rod and the first plate both extend in a horizontal direction, the lower end of the first plate is welded to the mounting rod, and the two ends of the mounting rod are connected to the frame body through fasteners. The second plate extends in an up-down direction, the lower end of the second plate is connected to the middle part of the first plate, the reinforcing plate is inclined, the upper end of the reinforcing plate is connected to the second plate, and the lower end of the reinforcing plate is connected to the first plate, and the hook body is arranged at the upper end of the second plate.

8. The PCB immersion gold hanging basket according to claim 7, characterized in that: The first plate, the second plate and the reinforcing plate form a triangular structure.

9. The PCB immersion gold hanging basket according to claim 7, characterized in that: The hook body includes a spring piece portion and an inverted concave-shaped hook portion, the hook portion and the first plate are an integral structure, the lower end of the spring piece portion is connected to the lower end of the hook portion, the spring piece portion is located inside the hook portion, the hook portion is screwed with a bolt extending in a horizontal direction, and the end of the bolt is connected to the spring piece portion.

10. The PCB immersion gold hanging basket according to claim 9, characterized in that: A fin portion is provided at one end of the bolt away from the hook body.

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