CN201042108Y

CN201042108Y - Water knife component structure for printed circuit board humid device

Info

Publication number: CN201042108Y
Application number: CNU2007201474833U
Authority: CN
Inventors: 黄金龙
Original assignee: CHENGXIN SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: CHENGXIN SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2007-05-31
Filing date: 2007-05-31
Publication date: 2008-03-26
Anticipated expiration: 2017-05-31

Abstract

The utility model relates to a wet equipment water jet scalpel component structure of a printed circuit board, which comprises essentially a fixing seat, a draft tube and a water jet scalpel component. The fixing seat is a seat body that can include a draft tube and a water jet scalpel component, wherein, perforations are previously arranged in the seat body for traversing by the interface of the draft tube, a peristome on the top of the seat body is used for the water jet scalpel component to insert in; the draft tube is a tube body that is previously provided with a plurality of diversion bottom outlets and is used for leading chemical agent to the inside of the water jet scalpel component; the water jet scalpel component is a tube body that is provided with a reverse V-shaped groove in a spraying opening, wherein, the spraying angle of the reverse V-shaped groove is 45 degrees to 55 degrees, the reverse V-shaped groove is provided with a plurality of spray-holes in a centerline, thus the chemical agent can spray from the spray-holes to form a fan shape by passing through the reverse V-shaped groove, thereby having the advantages of increasing the spraying intensity of the chemical agent and increasing the chemical reaction rate.

Description

Printed circuit board (PCB) wet equipment water knife assembly structure

Technical field

The utility model relates to a kind of printed circuit board (PCB) wet equipment water knife assembly structure, especially the sprinkling special construction that refers to a kind of water knife assembly, can increase the chemical agent intensity of spray irrigation, make chemical agent and printed circuit board (PCB) (PCB) contact surface reaction rate accelerates, to promote printed circuit board (PCB) (PCB) workmanship.

Background technology

General printed circuit board (PCB) (PCB) processing procedure, in wet equipment, continue to carry to arrange rotating shaft and roller up and down via conveying device, carry out operations such as video picture, etching .., the intensity of spray irrigation of its chemical agent has decisive influence for printed circuit board (PCB) (PCB) quality.

See also Figure 11 to shown in Figure 13, known to No. 093211242 " circuit board process water knife assembly device " novel patent of TaiWan, China, it is by a top mozzle 6 and a below jet pipe 7 and closes to join and constitute; This mozzle 6 has a water inlet 61 and a relative closure end 62; This jet pipe 7 contains top inlet 71 and blind end 72, is provided with spray-hole 73 in a row along its bottom; Above-mentioned mozzle 6 utilizes relative populations bolt 8 to run through with jet pipe 7, makes fixedly jet pipe 7 of mozzle 6 combinations, and above-mentioned member can assembly and disassembly, and carrying out maintenance of clean-up, and jet cleaning effect and other relevant surfaces processing quality.

Yet, " the circuit board process water knife assembly device " that this is known, when printed circuit board (PCB) (PCB) when conveying is carried out, chemical agent concentration is higher at the beginning, chemical reaction rate is very fast, in carrying out video picture, etching operation condition shape is good, after a segment distance is carried out in conveying, its chemical agent concentration step-down after reaction a period of time, printed circuit board (PCB) (PCB) is subjected to chemical agent to corrode the difficult and chemical agent action-reaction in the institute chase depths that produces again, so cause the slack-off uniform inadequately phenomenon of chemical reaction that causes of chemical reaction rate, make printed circuit board (PCB) (PCB) should have workmanship and speed to be affected, prior art does not have solution to the problems referred to above.

The utility model content

Main purpose of the present utility model is: a kind of improvement of water knife assembly structure is provided, being beneficial to the video picture, etching of printed circuit board (PCB) or other need make chemical liquid and soak operation procedure, reach the speed that average chemical reaction is arranged with the perforation that strengthens in the hole on the plate face, with the quality of guaranteeing that printed circuit board (PCB) is made.

To achieve these goals, the utility model provides a kind of printed circuit board (PCB) wet equipment water knife assembly structure, it is need in the equipment to apply to the immersion treatment program, it mainly is made up of a holder, a mozzle and a water knife assembly, and it is characterized in that: the spray opening of this water knife assembly is made as the inverted v-shaped groove shape;

By above-mentioned default water knife assembly, can allow immersion liquid see through this inverted v-shaped groove and spray fan shape by this spray-hole, removing to increase spray liquid intensity, and the effect that the immersion liquid chemical reaction rate is speeded.

In other words, the utility model provides a kind of printed circuit board (PCB) wet equipment water knife assembly structure, it comprises a holder, a mozzle and a water knife assembly, wherein, holder, being meant can ccontaining mozzle and the pedestal of water knife assembly, and being preset with perforation in this pedestal can wear for the interface of mozzle, and this pedestal top peristome knife assembly that can supply water is inserted; Mozzle is meant the body of presetting many pod apertures, can be for water conservancy diversion liquid to the water knife assembly; The water knife assembly, be meant that spray opening is made as the body of inverted v-shaped groove, this inverted v-shaped groove spray angle is 50 ° ± 5 °, and arrange in the inverted v-shaped groove position of center line and to be provided with several vertical spray-holes, impel liquid to see through inverted v-shaped groove and spray fan shape by spray-hole, have the spray liquid of increasing intensity, the effect that chemical reaction rate is speeded, groove around this body below can be sheathed for packing ring, and insert the peristome internal fixation of holder.

Learn by above explanation, the utility model is compared prior art, can reach following effect: water knife assembly structure of the present utility model, utilize the special construction of inverted v-shaped groove to spray fan-shaped, to add the intensity of spray irrigation that increases chemical agent, chemical reaction rate is accelerated, and its forming quality can be stablized and equipment infusion rate is promoted, and has economic use value.

Description of drawings

Fig. 1 is the utility model isometric exploded view;

Fig. 2 is the utility model water knife assembly stereoscopic view;

Fig. 3 is the utility model combination schematic diagram;

Fig. 4 is the utility model generalized section;

Fig. 5 is that the utility model water knife assembly inverted v-shaped groove opening spraying agent is implemented schematic diagram along the a-a cross section of Fig. 4;

Fig. 6 is installed in pickling machine combination schematic diagram for the utility model water knife assembly structure;

Fig. 7 is that the water knife assembly spraying agent of the utility model pickling machine is implemented schematic diagram;

Fig. 8 is the water knife assembly structural profile schematic diagram of the utility model pickling machine;

Fig. 9 is the local enlarged diagram of the spray-hole of another inverted v-shaped groove of the utility model;

Figure 10 is that the spray-hole spraying agent of another inverted v-shaped groove of the utility model is implemented schematic diagram along the a-a cross section of Fig. 4;

Figure 11 is the isometric exploded view of known structure;

Figure 12 is the combination schematic diagram of known structure;

Figure 13 is the generalized section of known structure.

Description of reference numerals

11 perforation of 1 holder

12 peristomes, 13 base plates

14 shroudings, 15 fixed blocks

2 mozzles, 21 pod apertures

22 lateral plates, 23 interfaces

24 packing rings, 3 water knife assemblies

31 inverted v-shaped grooves, 32 spray-holes

33 grooves, 34 packing rings

35 spray-holes, 4 wet equipments

41 conveying devices, 42 work nests

43 feed pipes, 5 printed circuit board (PCB)s

6 mozzles, 61 water inlets

62 blind ends, 7 jet pipes

71 inlets, 72 blind ends

73 spray-holes, 8 bolts

Embodiment

See also shown in Fig. 1,2 and 3, the utility model relates to a kind of printed circuit board (PCB) wet equipment water knife assembly structure, and it is to be used in to be made for the soaked with liquid handling procedure in this treatment facility, and its primary structure includes:

One holder 1, being meant can a ccontaining mozzle 2 and the pedestal of a water knife assembly 3, being preset with perforation 11 in this pedestal can wear for the interface 23 of mozzle 2, peristome 12 knife assembly 3 that can supply water in pedestal top is inserted, and utilize fixation kit that two base plates 13 and water knife assembly 3 are fixing, this pedestal dual-side is provided with shrouding 14, and is equipped with fixed block 15 in shrouding 14 outsides, can be for being fixed in wet equipment 4 predeterminated positions;

Mozzle 2 is meant the body of presetting many pod apertures 21, can be to water knife assembly 3 for water conservancy diversion liquid, and these body both sides are provided with lateral plate 22, and the body below is provided with interface 23, in interface 23 sheathed packing rings 24, and connects feed pipe 43;

Water knife assembly 3, be meant that spray opening is provided with the body of inverted v-shaped groove 31, these inverted v-shaped groove 31 spray angles are 50 ° ± 5 °, be provided with several vertical spray-holes 32 in the arrangement of inverted v-shaped groove 31 position of center line, see also Fig. 5, make liquid see through inverted v-shaped groove 31 and spray fan-shaped by spray-hole 32, has the effect that increases spray liquid intensity, groove 33 around this body below can be sheathed for packing ring 34, and insert peristome 12 internal fixation of holder 1.

See also shown in Fig. 1 and 2 again, when Yu Zushe implements, at first with two lateral plates 22 in conjunction with mozzle 2 both sides, and with packing ring 24 sheathed interfaces 23, again mozzle 2 is inserted in the holder 1, and interface 23 is worn the perforation 11 of holder 1, then, with the groove 33 of packing ring 34 sheathed water knife assemblies 3 and insert peristome 12 inner edges of holder 1, utilize fixation kit to wear two base plates 13 and water knife assembly 3 is fixed, then, shrouding 14 is established fixed block 15 in conjunction with holder 1 dual-side and in outer side joint, at this moment, water knife assembly textural association is finished, shown in Fig. 3,4 and 5.

See also again shown in Fig. 6,7 and 8, when making water knife assembly structure, earlier water knife assembly 3 is utilized two outside fixed blocks 15, as shown in Figure 8, be installed in the conveying device 41 and the work nest 4 of wet equipment 4

In 2, and the interface 23 of mozzle 2 connect establish feed pipe 43, printed circuit board (PCB) 5 is placed the work nest 42 of wet equipment 4, as shown in Figure 6, via conveying device 41 printed circuit board (PCB) 5 is transported to carry out chemical liquids reaction operation, after transporting a segment distance, as shown in Figure 7, its chemical agent is the concentration step-down after reaction after a while, at this moment, chemical agent sees through the pod apertures 21 of mozzle 2 via feed pipe 43, as shown in Figure 8, spray-hole 32 by water knife assembly 3 sprays to replenish work nest 42 chemical agent concentration again, and to utilize water knife assembly 3 inverted v-shaped grooves 31 openings be 50 ° ± 5 ° special construction, see also shown in Figure 5, can spray fan-shaped and increase chemical agent intensity, make and speeded by the chase depths chemical reaction rate that chemical agent corrodes, be beneficial to printed circuit board (PCB) 5 and carry out video picture, the etching operation, to promote the quality of printed circuit board (PCB) 5 processing procedures, in addition, as shown in Figures 9 and 10, spray-hole 35 shapes of water knife assembly 3 can be made as an approximate ellipsoidal or ellipse, make it be set in left and right sides edge and be and be staggered front to back shape, allow chemical agent eject fan shape, with enhancing chemical agent intensity of spray irrigation, and chase depths chemical reaction rate is speeded, to promote the quality of printed circuit board (PCB) 5 processing procedures.

Water knife assembly structure described in the utility model in addition is to can be applicable to respectively to form various need in the wet equipment of PCB do to use in the distinct program equipment of soaked with liquid handling procedure.

In sum, the utility model wet equipment water knife assembly structure is meant a kind of water knife assembly formula sprinkling special construction, and removing to increase the chemical agent intensity of spray irrigation, chemical agent and printed circuit board (PCB) chemical reaction rate are speeded, to promote the printed circuit board (PCB) workmanship.

Need to prove, the above is the know-why that concrete enforcement of the present utility model is used, when if the change of doing according to conception of the present utility model, the function that it produced do not exceed spiritual that specification and accompanying drawing contain yet, all should be in scope of the present utility model.

Claims

1. a printed circuit board (PCB) wet equipment water knife assembly structure is used for equipment need immersion treatment program, and it mainly is made up of a holder, a mozzle and a water knife assembly, and it is characterized in that: the spray opening of this water knife assembly is made as the inverted v-shaped groove shape.

2. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 1 is characterized in that this inverted v-shaped groove spray angle is 50 ° ± 5 °

3. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 1 is characterized in that this inverted v-shaped groove position of center line is provided with several spray-holes.

4. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 3 is characterized in that, the spray-hole of this inverted v-shaped groove is to arrange to be arranged at center line and to be vertical.

5. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 1 is characterized in that, is provided with around this water knife assembly below and can supplies the sheathed groove of packing ring, and insert the holder internal fixation.

6. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 1 is characterized in that the spray-hole of this water knife assembly is to be arranged in left and right sides edge and to be to be staggered front to back shape.

7. printed circuit board (PCB) wet equipment water knife assembly structure according to claim 6 is characterized in that the spray-hole shape of this water knife assembly is made as oval in shape.