CN216313526U

CN216313526U - Industrial control circuit board surface treatment groove

Info

Publication number: CN216313526U
Application number: CN202122875655.1U
Authority: CN
Inventors: 钟鸿; 朱文峰; 谭龙; 蔡梦霞
Original assignee: Shenzhen China Electronics Co ltd
Current assignee: Shenzhen China Electronics Co ltd
Priority date: 2021-11-20
Filing date: 2021-11-20
Publication date: 2022-04-15
Anticipated expiration: 2031-11-20

Abstract

The application relates to the field of processing, in particular to an industrial control circuit board surface treatment tank, wherein microetching liquid medicine in a first liquid storage part can flow into a liquid storage part of the treatment tank through the driving of a first driving part, and the horizontal cross sectional area of a treatment part is larger than that of the liquid storage part, so that a concave platform can be formed in the treatment tank, an overflow port is arranged at the joint of the treatment part and the liquid storage part, and when the microetching liquid medicine in the liquid storage part is too much, the microetching liquid medicine can flow out of the overflow port to a second liquid storage part; in addition, the mounting panel is detachable to be connected in the installation support body, and the installation support body slides and connects in the inner wall of processing portion, so the mounting panel can be located the juncture of processing portion and stock solution portion to make industrial control circuit board in the course of working, maintain the distance between machined surface and the microetching liquid, improved the stability in use of microetching liquid medicine corrosion process.

Description

Industrial control circuit board surface treatment groove

Technical Field

The application relates to the field of processing, especially, relate to an industrial control circuit board surface treatment groove.

Background

The rapid development of the 21 st century industrial industry, the pushing of the industry by 4.0 and the conventional surface treatment of industrial control circuit boards are divided into: hot air leveling, nickel gold immersion on the surface, tin immersion on the surface, silver surfacing, OSP (organic solderability preservative film, also called copper protection agent), and the operation chips such as IC, BGA, etc. have higher solderability, so OSP is often used as the surface treatment of such products.

In the OSP (organic solderability preservative) production process, the outer surface of an industrial control circuit board needs to be corroded by micro-etching liquid medicine, so that an organic solderability preservative is formed, but in the related technology, the micro-etching liquid medicine is usually dripped on the outer surface of the circuit board in a glue dripping mode, but the micro-etching liquid medicine is likely to be lost or splashed in the falling process and the contact process, so that the control of the micro-etching liquid medicine is not accurate, the thickness of the generated organic protective film is insufficient, and the circuit board loses functions.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability in use problem among the corrosion process of microetching liquid medicine, this application provides an industrial control circuit board surface treatment groove.

The application provides a pair of industrial control circuit board surface treatment groove adopts following technical scheme:

the industrial control circuit board surface treatment tank comprises a storage assembly, a surface treatment device and a driving assembly, wherein the storage assembly comprises a first storage piece and a second storage piece, the first storage piece is connected to one side of the surface treatment device, and the other side of the surface treatment device is connected to the second storage piece;

the surface treatment device comprises a treatment tank, an installation frame body and an installation plate for installing an industrial control circuit board, wherein the treatment tank comprises a treatment part and a liquid storage part, the treatment part is arranged above the liquid storage part in the vertical direction, the horizontal cross sectional area of the treatment part in the horizontal direction is larger than that of the liquid storage part in the horizontal direction, and an overflow port communicated with the second material storage part is arranged on one side of the treatment part close to the liquid storage part; the mounting frame body is connected to the inner wall of the treatment part in a sliding manner, and the mounting plate is detachably connected to the mounting frame body;

the driving assembly comprises a first driving piece, and the first driving piece is connected to the first material storage piece.

By adopting the technical scheme, the microetching liquid medicine in the first liquid storage part can flow into the liquid storage part of the treatment tank by being driven by the first driving part, and the horizontal cross sectional area of the treatment part is larger than that of the liquid storage part, so that a concave platform can be formed in the treatment tank, an overflow gap is arranged at the joint of the treatment part and the liquid storage part, and when the microetching liquid medicine in the liquid storage part is too much, the microetching liquid medicine can flow out of the overflow gap to the second liquid storage part; in addition, the mounting panel is detachable to be connected in the installation support body, and the installation support body slides and connects in the inner wall of processing portion, so the mounting panel can be located the juncture of processing portion and stock solution portion to make industrial control circuit board in the course of working, maintain the distance between machined surface and the microetching liquid, improved the stability in use of microetching liquid medicine corrosion process.

Optionally, the driving assembly further comprises a second driving piece, the second driving piece is set into two groups, the two groups of second driving pieces are connected to the installation frame body, and the two groups of second driving pieces are arranged along the central symmetry of the installation frame body.

By adopting the technical scheme, the second driving piece is connected to the mounting frame body, so that the mounting frame body is more stable in the sliding process compared with the manual operation of a technician, and the mounting plate is not easy to horizontally incline in the sliding process; in addition, the second driving piece is equipped with two sets ofly, and two sets of second driving pieces are along the central symmetry of installation support body for two sets of second driving pieces are at the drive in-process, and the central symmetry both sides atress homoenergetic of installation support body equals, thereby makes installation support body both sides atress the same, makes the mounting panel be difficult for taking place vertical slope at the in-process that slides, thereby maintains the position of industrial control circuit board on the mounting panel in the course of working, improves the stability in use of corrosion of microetching liquid medicine in-process.

Optionally, the mounting frame body comprises at least two groups of vertical limiting rods, and the two groups of vertical limiting rods are centrosymmetric along the center of the mounting frame body; the mounting panel includes spacing portion, spacing portion support press in the lateral wall of vertical gag lever post.

Through adopting above-mentioned technical scheme, the mounting panel is in the installation, and the both sides of mounting panel all receive the limiting displacement of gag lever post for the position of mounting panel is difficult for removing its position at the corrosion of the liquid medicine of declining corrosion in-process, thereby maintains the stability of the position of mounting panel, thereby improves the stability in use of corroding the liquid medicine corrosion in-process a little. In addition, spacing portion supports and presses in the lateral wall of vertical gag lever post, therefore vertical gag lever post still has the effect of location for the mounting panel is changeed and is installed on the installation support body.

Optionally, the first storage member is connected to the liquid storage portion through a first connecting pipe, the first connecting pipe has a vertical included angle with the outer surface side wall of the liquid storage portion, and the included angle is smaller than 90 °.

Through adopting above-mentioned technical scheme, because the microetching liquid reaches the stock solution portion through first connecting pipe, so the liquid can probably have the phenomenon of wall built-up on the pipe wall of first connecting pipe, make partial microetching liquid remain, thereby it is unsatisfactory to lead to the corrosion effects of industrial control circuit board in corrosion process, and first connecting pipe has the vertical contained angle that is less than 90 with the outside lateral wall of stock solution portion, make the liquid of wall built-up drop in intraductal rethread first driving piece drive to stock solution portion owing to self gravity influence, the waste of liquid medicine has been reduced, the use accuracy of liquid medicine has been improved, thereby improve the stability in use of microetching liquid medicine corrosion process.

Optionally, be equipped with the mounting groove that is used for installing industrial control circuit board on the mounting panel, the mounting groove is followed the center of mounting panel is central symmetry, and follows and keep away from the direction evenly distributed at mounting panel center.

By adopting the technical scheme, the installation grooves enable a plurality of groups of industrial control circuit boards to be arranged to carry out a corrosion process simultaneously, and the corrosion efficiency of the whole treatment groove is improved; and, be central symmetry along the center of mounting panel between a plurality of mounting grooves for industrial control circuit board is in corrosion process, and the atress of whole mounting panel is along central balance, thereby reduces the condition that the mounting panel takes place vertical slope and takes place, is arranged in improving the stability in use of micro-etching liquid medicine corrosion process.

Optionally, the mounting frame body further comprises a mounting rod, and the mounting rod abuts against the inner wall of the processing portion.

Through adopting above-mentioned technical scheme, because the installation pole supports and presses in the inner wall of processing portion, thereby the installation pole can support and press in the upper wall of the vertical top of stock solution portion so that the installation support body receives the holding power higher to it is too big and lead to the condition emergence of industrial control circuit board from the mounting panel to reduce the mounting panel to receive pressure.

Optionally, the middle part on the installation pole is equipped with sunkenly, sunken breach orientation is kept away from the direction of installation support body, the processing portion is close to sunken position is equipped with the dismantlement groove, the notch orientation in dismantlement groove keeps away from the direction of handling groove.

Through adopting above-mentioned technical scheme, there is the sunken in middle part of installation pole to make at the in-process of dismantling the mounting panel, can stretch into the disassembly piece from the notch of dismantling the groove, dismantle the mounting panel through the disassembly piece, such design makes the process of dismantling the mounting panel simple and easy convenient more, and the installation pole has two sets ofly, so at the dismantlement in-process, can control the both sides atress of mounting panel the same to it takes place to reduce the condition that vertical slope takes place to lead to industrial control circuit board to drop to reduce the mounting panel.

Optionally, one end of the first material storage part connected to the liquid storage part is provided with a water outlet valve, and one end of the liquid storage part connected to the second material storage part is also provided with a water outlet valve.

Through adopting above-mentioned technical scheme, all be provided with the outlet valve between first storage spare and stock solution portion, between second storage spare and stock solution portion, the advantage that sets up like this lies in, can control the use amount of microetching liquid to make the corrosion process, reduce the too big or too little and lead to the not good condition of corrosion effect of use amount, thereby improve the stability in use of microetching liquid medicine corrosion process.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the use stability of the micro-etching liquid medicine in the corrosion process is improved.

2. The installation stability of industrial control circuit board has been improved.

3. The corrosion efficiency of the industrial control circuit board is improved.

4. The industrial control circuit board is more convenient to disassemble.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of the surface treatment device according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a mounting frame body according to an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a mounting plate according to an embodiment of the present application.

Description of reference numerals: 1. a material storage assembly; 11. a first material storage member; 12. a second material storage member; 2. a surface treatment device; 21. installing a frame body; 211. a transverse mounting bar; 212. longitudinally mounting a rod; 2121. recessing; 213. a vertical limiting rod; 22. a treatment tank; 221. a liquid storage part; 2211. an overflow port; 222. a processing unit; 2221. disassembling the groove; 23. mounting a plate; 231. an installation part; 232. a limiting part; 233. mounting grooves; 3. a drive assembly; 31. a first driving member; 32. a second driving member; 321. a servo motor; 322. a transmission rod; 4. a first connecting pipe; 5. a second connecting pipe; 6. a first valve; 7. a second valve; 8. and a cushion block.

Detailed Description

The present application is described in further detail below with reference to fig. 1-4.

The application example discloses an industrial control circuit board surface treatment groove for improving the stability in use in the corrosion process of micro-etching liquid medicine.

Referring to fig. 1, an industrial control circuit board surface treatment tank includes a material storage assembly 1, a surface treatment device 2 and a driving assembly 3, in this embodiment, the material storage assembly 1 includes a first material storage member 11 and a second material storage member 12, where the first material storage member 11 is used for storing microetching solution, and the second material storage member 12 is used for storing waste solution; the first storage member 11 is connected to the surface treatment device 2, and the second storage member 12 is connected to the surface treatment device 2; the driving assembly 3 comprises a first driving member 31 and a second driving member 32, wherein the output end of the first driving member 31 is connected to the first magazine 11, and the second driving member 32 is connected to the surface treatment device 2.

Referring to fig. 1, in the present embodiment, the first material storage 11 is a material storage barrel, the inner wall of the material storage barrel is made of an anti-corrosion material, the first driving member 31 is an air compressor, the output end of the air compressor is connected to the material storage barrel, and the air compressor makes the micro-etching liquid medicine in the material storage barrel enter the surface treatment device 2 by compressing air; in addition, a liquid level sensor can be arranged in the storage vat and can detect the liquid level height of the micro-etching liquid medicine in the storage vat. The advantage that sets up like this lies in, air compressor orders about the microetching liquid medicine and gets into surface treatment device 2, and liquid level sensor detects the surplus material liquid measure in the storage vat to the feasible feed liquid use amount that can control.

Referring to fig. 1 and 2, the surface treatment apparatus 2 includes a mounting frame body 21, a treatment bath 22 and a mounting plate 23, wherein, the mounting frame body 21 is connected with the processing groove 22 in a sliding way, the mounting plate 23 is detachably connected with the mounting frame body 21, the industrial control circuit board is arranged in the mounting groove 233 on the mounting plate 23, specifically, the opening of the processing groove 22 faces to the vertical upper part, the processing tank 22 comprises a liquid storage part 221 and a processing part 222, the mounting frame body 21 is connected with the processing part 222 in a sliding way, wherein the liquid storage part 221 is positioned below the processing part 222, the liquid storage part 221 is used for placing micro-etching liquid medicine, the processing part 222 is used for processing the industrial control circuit board, furthermore, the horizontal cross-sectional area of the reservoir 221 is smaller than the horizontal cross-sectional area of the treatment portion 222, so that during the sliding of the mounting frame body 21, when the mounting frame body 21 is pressed against the outer surface above the liquid storage part 221, the mounting frame body 21 stops moving, and at the moment, the opening of the mounting groove 233 on the mounting plate 23 is just contacted with the upper surface of the liquid in the liquid storage part 221; in addition, in this embodiment, the sidewall of the connection between the liquid storage part 221 and the processing part 222 is provided with an overflow port 2211 leading to the second material storage 12, and when the liquid level in the liquid storage part 221 is too high, i.e. the liquid level exceeds the height of the liquid storage part 221, the liquid will flow out of the second material storage 12 from the overflow port 2211, so as to maintain the contact between the industrial control circuit board and the microetching solution, thereby maintaining the stability of the processing of the industrial control circuit board. Here, the weirs 2211 may be circular, semicircular, rectangular, or the like, one side of the side walls of the weirs 2211 is connected to the side walls of the reservoir 221, and the other side of the side walls of the weirs 2211 is connected to the side walls of the treatment portion 222.

Referring to fig. 1 and 2, in this embodiment, one side of the liquid storage portion 221 is connected to the first material storage member 11, and the other side of the liquid storage portion 221 is connected to the second material storage member 12, wherein the first material storage member 11 is connected to the liquid storage portion 221 through the first connection pipe 4, and the first material storage member 11 is placed on the cushion block 8, so that the first connection pipe 4 and the outer surface side wall of the processing portion 222 have a vertical included angle, and the included angle is smaller than 90 °, so that the condition that the feed liquid in the first connection pipe 4 is attached to the pipe wall of the first connection pipe 4 is reduced, and the feed liquid amount entering the liquid storage portion 221 is more accurate. And a first valve is arranged between the first connecting pipe 4 and the inner wall of the processing part 222, and the first valve 6 can control the feed liquid to enter the liquid storage part 221. The liquid storage part 221 is connected to the second storage tank through the second connecting pipe 5, a second valve 7 is arranged between the second connecting pipe 5 and the liquid storage part 221, and the second valve 7 can control the feed liquid in the liquid storage part 221 to enter the second storage member 12.

Referring to fig. 2 and 3, the mounting frame body 21 is slidably coupled to a sidewall of the processing portion 222, and an output end of the second driving member 32 is coupled to the mounting frame body 21, therefore, the second driving member 32 can drive the mounting frame body 21 to slide on the side wall of the processing portion 222, and in this embodiment, the mounting frame body 21 includes two sets of transverse mounting rods 211, two sets of longitudinal mounting rods 212 and four sets of vertical limiting rods 213, wherein both ends of any one group of transverse mounting rods 211 are fixedly connected with two groups of longitudinal mounting rods 212, and a recess 2121 is provided at the middle portion of any one set of the longitudinal mounting rods 212, the recess 2121 notch points away from the mounting frame body 21, and in addition, a dismounting groove 2221 is provided at one side of the processing portion 222 close to the mounting rods, so that the mounting plate 23 can be more easily taken out of the mounting bracket body 21 through the disassembly slot 2221 by using the disassembly member, and both sides are all stressed in the taking-out process, so that the industrial control circuit board is not easy to incline and fall off from the mounting plate 23. In addition, one end of the vertical stopper rod 213 is fixedly connected to the set of horizontal mounting rods 211 and the set of vertical mounting rods 212. Moreover, second driving piece 32 is equipped with two sets ofly, and two sets of second driving pieces 32 are connected respectively in a set of vertical installation pole 212, consequently, installation support body 21 is at the in-process both sides stress balance that slides for the mounting panel 23 is difficult for taking place the slope, thereby maintains the stability of the corrosion surface of industrial control circuit board, thereby improves the precision that the product was corroded by liquid medicine.

Referring to fig. 3 and 4, the mounting plate 23 includes a mounting portion 231 and a limiting portion 232, wherein the mounting portion 231 includes a plurality of sets of mounting grooves for mounting the industrial control circuit board; spacing portion 232 sets up in the corner all around of mounting panel 23, and in this embodiment, spacing portion 232 includes four sets of arc breachs, and when mounting panel 23 connected in the installation support body 21, vertical gag lever post 213 was connected in the lateral wall of arc breach for mounting panel 23 is difficult to take place the displacement of horizontal direction, thereby improves the stability of industrial control circuit board in the surface treatment process. And the limiting rod has a positioning function, so that the mounting plate 23 is not easy to incline in the mounting process to cause the situation that the corrosion part on the surface of the circuit board is not enough.

Referring to fig. 2 and 3, when the mounting frame body 21 abuts against the upper wall of the liquid storage portion 221, the lower surface of the industrial control circuit board contacts the microetching solution in the liquid storage portion 221, so that the outer surface of the industrial control circuit is microetched.

Referring to fig. 3, in the present embodiment, the second driving member 32 employs a servo motor 321 and a transmission rod 322, wherein an output end of the servo motor 321 is connected to one end of the transmission rod 322, and the other end of the transmission rod 322 is connected to the transverse mounting rod 211.

In another embodiment, in order to improve the corrosion accuracy of the microetching solution, a control module and a detection module may be further provided in the industrial control circuit surface treatment tank 22, wherein the control module is electrically connected to the detection module, and the detection module includes a plurality of detection units, such as: stock solution portion 221 liquid medicine height detecting element, stock solution portion 221 liquid medicine concentration detecting element for industrial control circuit board can detect the height of liquid medicine in stock solution portion 221 in the corrosion process, thereby control industrial control circuit board's corrosion depth size, in addition, can detect the concentration of liquid medicine in stock solution portion 221, thereby control industrial control circuit receives the corrosivity ability to maintain a definite value all the time, has improved the stability in use of microetching liquid medicine corrosion process. The control module can control the output end of the air compressor to enable the pressure of the output end to just enable the micro-etching liquid in the first liquid storage part to meet the etching usage amount of the industrial control circuit board; the control module can also be adopted to control the water outlet valve to enter and exit liquid, so that the concentration or the dosage of the microetching liquid medicine in the liquid storage part 221 is in a fixed value; the control module may also be used to control the second drive member 32 to slide the mounting plate 23 to start or end the corrosion process.

The implementation principle of the embodiment is as follows: the microetching liquid medicine in the first liquid storage part can flow into the liquid storage part 221 of the processing tank 22 by the driving of the first driving part 31, and the horizontal cross-sectional area of the processing part 222 is larger than that of the liquid storage part 221, so that the inside of the processing tank 22 can present a concave platform, a spillway port 2211 is arranged at the joint of the processing part 222 and the liquid storage part 221, and when the microetching liquid medicine in the liquid storage part 221 is excessive, the microetching liquid medicine can flow out from the spillway port 2211 to the second liquid storage part; in addition, the mounting plate 23 is detachably connected to the mounting frame body 21, and the mounting frame body 21 is slidably connected to the inner wall of the processing portion 222, so that the mounting plate 23 can be located at the junction of the processing portion 222 and the liquid storage portion 221, thereby maintaining the distance between the processing surface and the micro-etching liquid in the processing process of the industrial control circuit board, and improving the use stability in the corrosion process of the micro-etching liquid.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The industrial control circuit board surface treatment tank is characterized by comprising a storage assembly (1), a surface treatment device (2) and a driving assembly (3), wherein the storage assembly (1) comprises a first storage piece (11) and a second storage piece (12), the first storage piece (11) is connected to one side of the surface treatment device (2), and the other side of the surface treatment device (2) is connected to the second storage piece (12);

the surface treatment device (2) comprises a treatment tank (22), an installation frame body (21) and an installation plate (23) for installing an industrial control circuit board, wherein the treatment tank (22) comprises a treatment part (222) and a liquid storage part (221), the treatment part (222) is arranged above the liquid storage part (221) in the vertical direction, the horizontal cross-sectional area of the treatment part (222) is larger than that of the liquid storage part (221), and one side, close to the liquid storage part (221), of the treatment part (222) is provided with an overflow port (2211) communicated with the second material storage part (12); the mounting frame body (21) is connected to the inner wall of the processing part (222) in a sliding manner, and the mounting plate (23) is detachably connected to the mounting frame body (21);

the drive assembly (3) comprises a first drive member (31), the first drive member (31) being connected to the first magazine (11).

2. The industrial control circuit board surface treatment tank is characterized in that the driving assembly (3) further comprises two second driving members (32), the second driving members (32) are arranged in two groups, the two groups of second driving members (32) are connected to the mounting frame body (21), and the two groups of second driving members (32) are symmetrical along the center of the mounting frame body (21).

3. The industrial control circuit board surface treatment tank is characterized in that the mounting frame body (21) comprises at least two groups of vertical limiting rods (213), and the two groups of vertical limiting rods (213) are centrosymmetric along the center of the mounting frame body (21); the mounting plate (23) comprises a limiting part (232), and the limiting part (232) is pressed against the side wall of the vertical limiting rod (213).

4. The industrial control circuit board surface treatment tank according to claim 1, wherein the first storage member (11) is connected to the liquid storage portion (221) through a first connection pipe (4), the first connection pipe (4) and the outer surface side wall of the liquid storage portion (221) form a vertical included angle, and the included angle is smaller than 90 °.

5. The industrial control circuit board surface treatment tank is characterized in that the mounting plate (23) is provided with mounting grooves (233) for mounting the industrial control circuit board, and the mounting grooves (233) are centrosymmetric along the center of the mounting plate (23) and are uniformly distributed along the direction far away from the center of the mounting plate (23).

6. The industrial control circuit board surface treatment tank is characterized in that the mounting frame body (21) further comprises a mounting rod, and the mounting rod is pressed against the inner wall of the treatment part (222).

7. The industrial control circuit board surface processing groove as claimed in claim 6, wherein a recess (2121) is formed in the middle of the mounting rod, the notch of the recess (2121) faces away from the mounting frame body (21), a removal groove (2221) is formed in the position of the processing portion (222) close to the recess (2121), and the notch of the removal groove (2221) faces away from the processing groove (22).

8. The industrial control circuit board surface treatment tank is characterized in that a first valve (6) is arranged at one end of the first storage part (11) connected to the liquid storage part (221), and a second valve (7) is arranged at one end of the liquid storage part (221) connected to the second storage part (12).