CN220619104U

CN220619104U - Spraying mechanism of high-precision electroless nickel-gold plating machine

Info

Publication number: CN220619104U
Application number: CN202322174841.1U
Authority: CN
Inventors: 蔡良胜; 曾剑珍; 陈阳; 蔡绪开; 陈健; 肖毓; 陈兴权; 吴昊楠; 梁玲龙
Original assignee: Shenzhen Hongxi Technology Development Co ltd
Current assignee: Shenzhen Hongxi Technology Development Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-19
Anticipated expiration: 2033-08-11

Abstract

The utility model belongs to the technical field of nickel-gold deposition, in particular to a high-precision electroless nickel-gold deposition machine spraying mechanism, which comprises a base; a liquid storage box and a water pump are fixedly connected to one side wall of the base; the other side wall of the base far away from the liquid storage box is fixedly connected with a pair of support rods; the pair of support rods are symmetrically arranged; one end of the supporting rod, which is far away from the base, is fixedly connected with a spray pipeline; the side wall of the spraying pipeline is fixedly connected with a conveying pipeline; the other end of the conveying pipeline is connected with the outlet of the water pump; an inner cavity is formed in the spray pipeline; through being equipped with the multiunit hole that sprays, increased the effect to the omnidirectional multi-angle of circuit board sprays, reduced the circuit board and appear spraying insufficient condition, and then indirectly improved the quality of circuit board production, increased the life of circuit board after spraying simultaneously.

Description

Spraying mechanism of high-precision electroless nickel-gold plating machine

Technical Field

The utility model belongs to the technical field of nickel-gold deposition, and particularly relates to a high-precision spraying mechanism of a chemical nickel-gold deposition machine.

Background

The nickel-gold plating technology is a common technology in the mixed surface treatment of a circuit board in PCB production, and aims to carry out gold plating and nickel plating on the surface of the circuit board, so that the treated circuit board has good solderability and electrical performance.

The spraying mechanism is a liquid spraying method, aims to uniformly cover a layer of liquid on the surface of an object, mainly protects the object, and has the characteristics of large contact area, uniform dispersion and convenient use.

In the prior art, in long-time use observation, the condition that the spraying is not in place easily occurs during spraying because the circuit on the circuit board is intricate and complex and is limited by the spraying angle when the circuit board is sprayed is found, and the service life of the circuit board is influenced.

Therefore, the utility model provides a high-precision electroless nickel-gold plating machine spraying mechanism.

Disclosure of Invention

In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the utility model provides a high-precision electroless nickel-gold plating machine spraying mechanism.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a high-precision electroless nickel-gold plating machine spraying mechanism, which comprises a base; a liquid storage box and a water pump are fixedly connected to one side wall of the base; the other side wall of the base far away from the liquid storage box is fixedly connected with a pair of support rods; the pair of support rods are symmetrically arranged; one end of the supporting rod, which is far away from the base, is fixedly connected with a spray pipeline; the side wall of the spraying pipeline is fixedly connected with a conveying pipeline; the other end of the conveying pipeline is connected with the outlet of the water pump; an inner cavity is formed in the spray pipeline; a plurality of groups of spraying holes are formed in the side wall of the inner cavity; the spray holes are arranged in a circumferential array; the spray holes are arranged in a linear array; the step increases the effect of omnibearing multi-angle spraying on the circuit board by arranging the plurality of groups of spraying holes, reduces the insufficient spraying condition of the circuit board, further indirectly improves the production quality of the circuit board, and simultaneously increases the service life of the circuit board after spraying.

Preferably, the side wall of the inner cavity is fixedly connected with a fixing rod; the side wall of the fixed rod is rotatably connected with a rotating ring; a pair of scraping plates are fixedly connected to the side wall of the rotating ring; the pair of scrapers are symmetrically arranged; the conveying pipeline is obliquely arranged; the conveying pipeline and the scraping plate are correspondingly arranged; this step is the slope setting through pipeline, has increased the rotatory effect of scraper blade drive swivel ring on the dead lever lateral wall, has increased the scraping effect to the inner chamber lateral wall, has reduced piling up of liquid on the inner chamber lateral wall, and then has reduced under long-time use, sprays the condition that the hole appears blocking.

Preferably, a plurality of groups of fixing columns are fixedly connected to the inner side wall of the spray pipeline; the fixed columns are arranged in a circumferential array; a sliding groove is formed in the middle of each fixed column; the side wall of the sliding groove is fixedly connected with a spring; the middle part of the sliding groove is connected with a sliding rod in a sliding way; the other end of the spring is fixedly connected to the side wall of the sliding rod; the side wall of one side of the sliding rod far away from the fixed column is rotationally connected with a rotating rod; the step increases the practicability of spraying the circuit boards with various effect specifications by arranging a plurality of groups of rotating rods.

Preferably, a pair of limit grooves are formed in the side wall of the spraying pipeline; the middle parts of the pair of limit grooves are rotationally connected with a rotating column; a plurality of groups of fan blades are fixedly connected to the side wall of the rotating column; the fan blades are arranged in a circumferential array; a motor is fixedly connected to the side wall of the rotary column; the fan blades are arranged in the step, so that the cooling effect on the surface of the circuit board is improved, and the cooling forming effect on the surface of the circuit board is improved.

Preferably, the side wall of the scraping plate is fixedly connected with a pull rope; an elastic ball is fixedly connected to the end part of the pull rope; the step reduces the adhesive force of the liquid on the side wall of the inner cavity by arranging the pull rope and the elastic ball.

Preferably, the side walls of the fan blades are fixedly connected with the ribbon; the ribbon is arranged in a circumferential array; the step reduces the adhesion of particles in the outside air on the side wall of the circuit board by arranging the ribbon, and the particles cannot be cleaned after cooling and forming.

Preferably, a plurality of groups of bristles are fixedly connected to the side wall of one side of the scraping plate, which is close to the spraying hole; a plurality of groups of bristles are arranged in a circumferential array; by arranging the brush hair, the blocking situation of the spraying holes under long-time use is further reduced.

The beneficial effects of the utility model are as follows:

1. according to the high-precision electroless nickel gold plating machine spraying mechanism, due to the fact that the plurality of groups of spraying holes are formed, the effect of omnibearing multi-angle spraying on the circuit board is improved, the condition that the circuit board is insufficiently sprayed is reduced, the production quality of the circuit board is indirectly improved, and meanwhile the service life of the circuit board after spraying is prolonged.

2. According to the high-precision spraying mechanism of the electroless nickel-gold plating machine, the conveying pipeline is obliquely arranged, so that the effect that the scraping plate drives the rotating ring to rotate on the side wall of the fixed rod is increased, the scraping effect on the side wall of the inner cavity is increased, the accumulation of liquid on the side wall of the inner cavity is reduced, and the situation that the spraying holes are blocked after long-time use is reduced.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

fig. 5 is a partial enlarged view at C in fig. 2.

In the figure: 1. a base; 11. a liquid storage box; 12. a water pump; 13. a delivery conduit; 14. a support rod; 15. a spray pipe; 16. an inner cavity; 17. spraying holes; 2. a fixed rod; 21. a rotating ring; 22. a scraper; 3. fixing the column; 31. a sliding groove; 32. a slide bar; 33. a rotating lever; 4. a spin column; 41. a motor; 42. a fan blade; 43. a limit groove; 5. a pull rope; 51. an elastic ball; 6. a streamer; 7. and (3) brushing.

Detailed Description

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 3, the spraying mechanism of the high-precision electroless nickel-gold plating machine according to the embodiment of the utility model comprises a base 1; a liquid storage box 11 and a water pump 12 are fixedly connected to one side wall of the base 1; the other side wall of the base 1 far away from the liquid storage box 11 is fixedly connected with a pair of support rods 14; a pair of the support rods 14 are symmetrically arranged; a spray pipeline 15 is fixedly connected to the side wall of one side of the support rod 14 far away from the base 1; the side wall of the spraying pipeline 15 is fixedly connected with a conveying pipeline 13; the other end of the conveying pipeline 13 is connected with the outlet of the water pump 12; an inner cavity 16 is formed in the spray pipeline 15; a plurality of groups of spray holes 17 are formed in the side wall of the inner cavity 16; the spray holes 17 are arranged in a circumferential array; a plurality of groups of spraying holes 17 are arranged in a linear array; when drive mechanism makes the circuit board slide at spray pipe 15 middle part, open water pump 12 this moment for liquid inside the liquid containing box 11 passes through pipeline 13 inside entering to interior cavity 16 inside, when the circuit board slides to the position that corresponds with multiunit spray hole 17, the liquid of interior cavity 16 inside can be sprayed from multiunit spray hole 17, this step is through being equipped with multiunit spray hole 17, the effect to the omnidirectional multi-angle of circuit board has been increased, the insufficient condition of spraying appears having reduced the circuit board, and then indirectly improved the quality of circuit board production, the life of circuit board after spraying has been increased simultaneously.

As shown in fig. 2 and 3, the side wall of the inner cavity 16 is fixedly connected with a fixing rod 2; the side wall of the fixed rod 2 is rotatably connected with a rotary ring 21; a pair of scraping plates 22 are fixedly connected to the side wall of the rotary ring 21; a pair of the scrapers 22 are symmetrically arranged; the conveying pipeline 13 is obliquely arranged; the conveying pipeline 13 and the scraping plate 22 are correspondingly arranged; when the inside liquid of liquid containing box 11 passes through pipeline 13 inside, at first carry out direct contact with scraper blade 22 lateral wall, receive the inside liquid flow's of pipeline 13 effect this moment, scraper blade 22 can drive rotatory ring 21 and rotate on dead lever 2 lateral wall to scraper blade 22 scrapes interior cavity 16 lateral wall simultaneously, this step is the slope setting through pipeline 13, increased the effect that scraper blade 22 drove rotatory ring 21 on dead lever 2 lateral wall, increased the scraping effect to interior cavity 16 lateral wall, reduced the accumulation of liquid on the interior cavity 16 lateral wall, and then reduced under long-time use, spray hole 17 appears blocking up the condition.

As shown in fig. 4, the inner side wall of the spraying pipeline 15 is fixedly connected with a plurality of groups of fixing columns 3; the fixed columns 3 are arranged in a circumferential array; a sliding groove 31 is formed in the middle of each fixed column 3; the side wall of the sliding groove 31 is fixedly connected with a spring; the middle part of the sliding groove 31 is connected with a sliding rod 32 in a sliding way; the other end of the spring is fixedly connected to the side wall of the sliding rod 32; a rotating rod 33 is rotatably connected to the side wall of the sliding rod 32, which is far away from the fixed column 3; when the transmission mechanism makes the circuit board slide in the middle of the spraying pipeline 15, firstly the circuit board is contacted with the side wall of the rotating rod 33, and meanwhile, the springs on the side wall of the sliding groove 31 can prop against the sliding rod 32, so that the circuit board is clamped by the plurality of groups of rotating rods 33, and the practicability of spraying the circuit board with various specifications is improved by the aid of the plurality of groups of rotating rods 33.

As shown in fig. 5, a pair of limiting grooves 43 are formed on the side wall of the spraying pipeline 15; the middle parts of the pair of limit grooves 43 are rotatably connected with a rotary column 4; a plurality of groups of fan blades 42 are fixedly connected to the side wall of the rotary column 4; a plurality of groups of the fan blades 42 are arranged in a circumferential array; the side wall of the rotary column 4 is fixedly connected with a motor 41; after the circuit board is sprayed, the motor 41 is turned on, the rotary column 4 on the side wall of the motor 41 drives the fan blades 42 to rotate in the middle of the limiting groove 43, at the moment, when the transmission mechanism drives the circuit board to move to the position corresponding to the fan blades 42, wind generated by rotation of the fan blades 42 can cool the surface of the circuit board, and the cooling effect on the surface of the circuit board is increased and the cooling forming effect on the surface of the circuit board is increased through the fan blades 42.

As shown in fig. 3, the side wall of the scraper 22 is fixedly connected with a pull rope 5; an elastic ball 51 is fixedly connected to the end part of the pull rope 5; when the scraper 22 rotates in the middle of the side wall of the inner cavity 16, the centrifugal force generated by the rotation of the scraper 22 can throw out the pull rope 5, and the elastic ball 51 can strike the side wall of the inner cavity 16, so that the adhesive force of liquid on the side wall of the inner cavity 16 is reduced by arranging the pull rope 5 and the elastic ball 51.

As shown in fig. 5, a plurality of groups of fan blades 42 are fixedly connected with a ribbon 6 on the side wall; the ribbon 6 is arranged in a circumferential array; when the fan blades 42 rotate to cool the circuit board, the ribbon 6 cleans particles on the surface of the circuit board, and the step reduces the condition that the particles in the outside air are attached to the side wall of the circuit board and cannot be cleaned after cooling and forming by arranging the ribbon 6.

As shown in fig. 3, a plurality of groups of bristles 7 are fixedly connected to the side wall of one side of the scraper 22 close to the spray holes 17; a plurality of groups of bristles 7 are arranged in a circumferential array; when the scraping plate 22 scrapes the side wall of the inner cavity 16, the bristles 7 on the side wall of the scraping plate 22 can enter the spraying holes 17 in the scraping process of the scraping plate 22, and the bristles 7 are arranged in the step, so that the situation that the spraying holes 17 are blocked under long-time use is further reduced.

Working principle: when the transmission mechanism makes the circuit board slide in the middle of the spraying pipeline 15, the water pump 12 is turned on at the moment, so that the liquid in the liquid storage box 11 enters the inner cavity 16 through the inner part of the conveying pipeline 13, when the circuit board slides to the position corresponding to the plurality of groups of spraying holes 17, the liquid in the inner cavity 16 is sprayed out from the inner parts of the plurality of groups of spraying holes 17, when the liquid in the liquid storage box 11 passes through the inner part of the conveying pipeline 13, the liquid is firstly in direct contact with the side wall of the scraping plate 22, at the moment, the scraping plate 22 can drive the rotating ring 21 to rotate on the side wall of the fixed rod 2, meanwhile, the scraping plate 22 scrapes the side wall of the inner cavity 16, when the transmission mechanism makes the circuit board slide in the middle of the spraying pipeline 15, firstly, the circuit board contacts with the side wall of the rotating rod 33, and meanwhile, the springs on the side wall of the sliding groove 31 can prop against the sliding rod 32, so that the groups of rotating rods 33 clamp the circuit board, after the circuit board is subjected to spraying operation, the motor 41 is turned on, the rotating column 4 on the side wall of the motor 41 drives the fan blades 42 to rotate in the middle of the limiting groove 43, at the moment, when the transmission mechanism drives the circuit board to move to a position corresponding to the fan blades 42, wind generated by rotation of the fan blades 42 can cool the surface of the circuit board, when the scraper 22 rotates in the middle of the side wall of the inner cavity 16, centrifugal force generated by rotation of the scraper 22 can throw out the pull ropes 5, at the moment, the elastic balls 51 can collide with the side wall of the inner cavity 16, and when the fan blades 42 rotate to cool the circuit board, the ribbon 6 cleans particles on the surface of the circuit board.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A spraying mechanism of a high-precision electroless nickel-gold plating machine comprises a base (1); the method is characterized in that: a liquid storage box (11) and a water pump (12) are fixedly connected to one side wall of the base (1); the other side wall of the base (1) far away from the liquid storage box (11) is fixedly connected with a pair of support rods (14); the pair of support rods (14) are symmetrically arranged; one end of the supporting rod (14) far away from the base (1) is fixedly connected with a spray pipeline (15); the side wall of the spraying pipeline (15) is fixedly connected with a conveying pipeline (13); the other end of the conveying pipeline (13) is connected with an outlet of the water pump (12); an inner cavity (16) is formed in the spray pipeline (15); a plurality of groups of spray holes (17) are formed in the side wall of the inner cavity (16); the spray holes (17) are arranged in a circumferential array; the spray holes (17) are arranged in a linear array.

2. The high-precision electroless nickel-gold plating machine spraying mechanism according to claim 1, wherein: the side wall of the inner cavity (16) is fixedly connected with a fixed rod (2); the side wall of the fixed rod (2) is rotatably connected with a rotary ring (21); a pair of scraping plates (22) are fixedly connected to the side wall of the rotary ring (21); a pair of scrapers (22) are symmetrically arranged; the conveying pipeline (13) is obliquely arranged; the conveying pipeline (13) and the scraping plate (22) are correspondingly arranged.

3. The high-precision electroless nickel plating machine spraying mechanism according to claim 2, wherein: a plurality of groups of fixing columns (3) are fixedly connected to the inner side wall of the spray pipeline (15); the plurality of groups of fixing columns (3) are arranged in a circumferential array; a sliding groove (31) is formed in the middle of each fixed column (3); a spring is fixedly connected to the side wall of the sliding groove (31); the middle part of the sliding groove (31) is connected with a sliding rod (32) in a sliding way; the other end of the spring is fixedly connected to the side wall of the sliding rod (32); the side wall of one side of the sliding rod (32) far away from the fixed column (3) is rotatably connected with a rotating rod (33).

4. The high-precision electroless nickel plating machine spraying mechanism according to claim 3, wherein: a pair of limit grooves (43) are formed in the side wall of the spray pipeline (15); the middle parts of the pair of limit grooves (43) are rotatably connected with a rotary column (4); a plurality of groups of fan blades (42) are fixedly connected to the side wall of the rotary column (4); a plurality of groups of fan blades (42) are arranged in a circumferential array; the side wall of the rotary column (4) is fixedly connected with a motor (41).

5. The high-precision electroless nickel-gold plating machine spraying mechanism according to claim 4, wherein: a pull rope (5) is fixedly connected to the side wall of the scraper (22); an elastic ball (51) is fixedly connected to the end part of the pull rope (5).

6. The high-precision electroless nickel plating machine spraying mechanism according to claim 5, wherein: the side walls of the fan blades (42) are fixedly connected with a ribbon (6); the streamers (6) are arranged in a circumferential array.

7. The high-precision electroless nickel plating machine spray mechanism according to claim 6, wherein: a plurality of groups of bristles (7) are fixedly connected to the side wall of one side of the scraping plate (22) close to the spraying holes (17); the plurality of groups of bristles (7) are arranged in a circumferential array.