CN218574394U

CN218574394U - Reverse impact washing structure of integrated circuit lead frame equipment

Info

Publication number: CN218574394U
Application number: CN202222188235.0U
Authority: CN
Inventors: 苏骞; 王磊
Original assignee: Dongguan Allmerit Technology Co Ltd
Current assignee: Dongguan Allmerit Technology Co Ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-07
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a cleaning structure technical field of lead frame, especially relate to reverse impact washing structure of integrated circuit lead frame equipment, including many spray tubes and the installation component that is used for installing the spray tube, the spray tube installs the nozzle head, and the installation component includes the stock solution chamber, and the stock solution chamber includes a plurality of first intercommunication chambeies and the second intercommunication chamber that is the poroid structure, and two adjacent chucking holes are connected with first intercommunication chamber, and two adjacent first intercommunication chambers are connected with first intercommunication chamber; when water is supplied, the water outlet speed is greatly improved, and the phenomenon that the nozzle head of the lead frame cannot timely discharge water when the lead frame enters a flushing area is avoided; the impact force entering the liquid spraying pipe and the nozzle head is greatly increased, and the washing effect of the lead frame is further improved; all the liquid spraying pipes connected with the mounting seat can quickly feed liquid at the same time, and the nozzle heads arranged on the liquid spraying pipes spray the washed liquid to the passing lead frame at the same time, so that the lead frame cleaning effect is better.

Description

Reverse impact washing structure of integrated circuit lead frame equipment

Technical Field

The utility model relates to a washing technical field of lead frame especially relates to reverse impact washing structure of integrated circuit lead frame equipment.

Background

In the production of integrated circuit components, the integrated circuit lead frame plays an important role in receiving the chip, providing a base, bonding leads or leads for the chip. To achieve solderability between the frame and the chip and gold wire and electrical parametric performance of the device, the integrated circuit lead frame requires a surface treatment, i.e., plating. In the electroplating process, pure water washing and drying are finally required.

Chinese utility model cn202120209663.X discloses a washing device, including base, outlet pipe and nozzle, be equipped with water delivery channel in the base, the outlet pipe install in on the base and its inner chamber with water delivery channel intercommunication, the nozzle install in on the outlet pipe and rather than the inner chamber intercommunication, rivers warp water delivery channel the outlet pipe by the nozzle blowout is in order to form the washing water column. The washing device can be used for washing the surface of an integrated circuit material, special workers are not required to be equipped, the washing device is relatively simple in structure, good in structural stability and high in washing efficiency.

The technical scheme has the following defects that as the lead frame needs larger impact force for washing, the base is provided with a plurality of water pipes, most of the liquid storage cavity of the base is a cavity for supplying water to the plurality of water pipes at the same time, and the whole liquid storage cavity is filled with liquid to form a larger water pressure liquid supply water supply pipe; when the water pressure is high, the liquid storage cavity is easily broken, so that the base is damaged, and normal liquid supply is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated circuit lead frame equipment's reverse impact washing structure to prior art's not enough.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the reverse impact washing structure of the integrated circuit lead frame equipment comprises a plurality of liquid spraying pipes and a mounting assembly used for mounting the liquid spraying pipes, wherein the liquid spraying pipes are provided with a plurality of nozzle heads which spray liquid towards the lead frame in an inclined mode, the mounting assembly comprises a mounting seat, clamping holes used for mounting the liquid spraying pipes are formed in the mounting seat in a penetrating mode, a liquid storage cavity is formed in the mounting seat and comprises a plurality of first communicating cavities and second communicating cavities which are of hole-shaped structures, the first communicating cavities communicate two adjacent clamping holes, and the first communicating cavities communicate two adjacent first communicating cavities; the mounting seat is provided with a joint communicated with the liquid storage cavity.

Further: the tight hole shaping of card has the structure of stopping, and spray tube tip shaping has and stops the structure knob chucking complex stop the piece, and the aperture in first intercommunication chamber and second intercommunication chamber all does not exceed the aperture in card tight hole.

Further: the liquid spraying pipe is formed with a plurality of mounting holes along the length direction for mounting the nozzle head, and the nozzle head is formed with a liquid spraying cavity for liquid to enter from the mounting holes.

Further: the cross-section of hydrojet chamber is oval, and hydrojet chamber tip intercommunication has the liquid outlet, and the liquid outlet terminal surface shaping has the V type groove of indent.

Further: stop block including the shaping in the connector tube head of hydrojet tip, connector tube head coaxial insert in the chucking hole, connector tube head tip shaping have with stop the structure chucking complex knob piece.

Further: the hole wall of the clamping hole is formed with a first flow through hole communicated with the liquid storage cavity, the connector head is formed with a second flow through hole and a third flow through hole, the second flow through hole transversely penetrates through the connector head, the third flow through hole is formed in the hole wall of the second flow through hole, and liquid enters the liquid spraying pipe through the second flow through hole.

And further: the second through hole and the third through hole are mutually vertical, and the connecting pipe head is nested with waterproof collars which are respectively positioned at two sides of the second through hole along the axial direction.

And further: the connecting pipe head is axially formed with a limit ring block which limits and installs the waterproof ring sleeve.

And further: an end cover is formed at the end part of the knob block, an inner hole for the knob block to rotate and an outer hole for the end cover to rotate are formed at the end part of the clamping hole, and the inner end face of the end cover is in stop fit with the outer end face of the inner hole in the axial direction.

And further: the aperture of the outer hole is larger than that of the inner hole, the end cover is larger than the knob block, and the end cover is matched with the shape of the inner hole.

The utility model has the advantages that: the liquid spraying pipe is tightly clamped and connected with the clamping structure of the mounting seat through the clamping and stopping piece, so that the liquid spraying pipe can be quickly disassembled and replaced, and the operation is convenient; the liquid enters the first communicating cavity and the second communicating cavity, under the same water pressure condition, the first communicating cavity and the second communicating cavity which are in hole-shaped structures can increase the flowing speed, the impact force entering the liquid spraying pipe and the nozzle head is greatly increased, and the washing effect of the lead frame is further improved; in addition, the first communicating cavity and the second communicating cavity are small in volume, so that the mounting seat is not easy to break, the service life is long, liquid can quickly enter the liquid spraying pipe and the nozzle head when water is supplied, the water outlet speed is greatly improved, and the phenomenon that the nozzle head cannot timely discharge water when the lead frame enters a flushing area is avoided; first intercommunication chamber and second intercommunication chamber communicate each other, and when liquid let in first intercommunication chamber or second intercommunication chamber, liquid can fill in at each cavity rapidly, and all spray tubes of being connected with the mount pad can lead to liquid at the same time fast basically, installs the nozzle head at spray tube at the same time to the lead frame blowout liquid that washes that passes through, and is better to the cleaning performance of lead frame.

Drawings

FIG. 1 is a schematic structural view of a reverse impact water washing structure.

Fig. 2 is a schematic structural view of the liquid spray tube.

Fig. 3 is a schematic structural view of the liquid spraying tube when the liquid spraying tube is separated from the mounting seat.

Fig. 4 is a schematic cross-sectional view of the mounting seat.

The reference numerals include:

1-a liquid spraying tube,

10-nozzle head, 11-mounting hole, 12-liquid spraying cavity, 13-liquid outlet, 14-V-shaped groove,

2-mounting the component,

21-mounting seat, 22-joint, 23-first through hole, 24-clamping hole,

25-inner hole, 26-outer hole,

3-a clamping structure,

31-connector head, 32-knob block, 33-end cover, 34-second through hole, 35-third through hole,

36-limit ring block, 37-limit ring groove and 38-waterproof ring sleeve.

4-a liquid storage cavity,

41-the first communicating chamber, 42-the second communicating chamber.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the reverse impact washing structure of the integrated circuit lead frame device comprises a plurality of spray tubes 1 with hollow structures and a mounting assembly 2 for rotatably mounting the spray tubes 1, wherein the mounting assembly 2 comprises a mounting seat 21, a clamping hole 24 is formed in the mounting seat 21, a connector head 31 is formed at the end of the spray tube 1, and the clamping hole 24 is in knob clamping fit with the connector head 31 to mount the spray tube 1 on the mounting seat 21; a plurality of mounting holes 11 are formed in the liquid spraying pipe 1 at equal intervals along the length direction, the nozzle head 10 is mounted on the liquid spraying pipe 1 at equal intervals through the mounting holes 11, a liquid spraying cavity 12 for liquid to enter from the mounting holes 11 is formed in the nozzle head 10, a liquid outlet 13 is communicated with the end portion of the liquid spraying cavity 12, the liquid outlet 13 of the nozzle head 10 is inclined downwards, the spraying direction of the sprayed liquid is opposite to the advancing direction of the lead frame, and the liquid forms a reverse impact effect; the liquid impact force is great, can clear up its surface spot fast to the lead frame of process, has higher washing efficiency when can the water economy resource.

In addition, the cross-section of hydrojet chamber 12 is oval, and the shaping of liquid outlet 13 terminal surface has V type groove 14 of indent, and oval hydrojet chamber 12 can reduce the flow of liquid circulation, but the water economy resource on the one hand reduces the waste, and on the other hand, the water pressure of formation is great, can form the hydrojet shape of triangle-shaped on the liquid outlet 13 that is V type groove 14, and the impact force that the liquid that sprays formed is comparatively even, and the impact force that the face of lead frame received is comparatively even, washes comparatively cleanly.

The mounting base 21 is formed with a liquid storage cavity 4, a clamping hole 24 penetrates through the mounting base 21, a connector head 31 coaxially inserted into the clamping hole 24 is formed at the end part of the liquid spraying tube 1, a first through hole 23 communicated with the liquid storage cavity 4 is formed in the hole wall of the clamping hole 24, a second through hole 34 and a third through hole 35 which are perpendicular to each other are formed in the connector head 31, the second through hole 34 transversely penetrates through the connector head 31, the third through hole 35 is formed in the hole wall of the second through hole 34, the second through hole 34 allows liquid to enter the liquid spraying tube 1, after the connector head 31 is inserted into the clamping hole 24, the second through hole 34 is just aligned with the first through hole 23 in the axial direction, the liquid in the liquid storage cavity 4 flows into the second through hole 34 through the first through hole 23 and then flows into the third through hole 35 to communicate the liquid into the liquid spraying tube 1, and the liquid spraying tube 1 is supplied.

In order to ensure the waterproof performance when the connector 31 is connected with the clamping hole 24, the connector 31 is nested with the waterproof collars 38 respectively positioned at two sides of the second through hole 34 along the axial direction, after the connector 31 is inserted, the waterproof collars 38 are positioned at two sides of the first through hole 23 simultaneously, so that liquid can be prevented from overflowing outwards along the hole wall of the clamping hole 24, the connector 31 is axially formed with the limiting ring block 36 for limiting and mounting the waterproof collars 38, the limiting ring block 36 is formed with the limiting ring groove 37 for nesting the waterproof collars 38, the waterproof collars 38 are sleeved in the limiting ring groove 37, the waterproof collars 38 cannot shift on the connector 31 along the axial line, and the better waterproof performance can be kept all the time.

The outer tip shaping of connector tube head 31 has the knob piece 32 that can turn the knob card into chucking hole 24, knob piece 32 tip shaping has end cover 33, end cover 33 is greater than knob piece 32, form the stair structure, the cross-section of knob piece 32 and end cover 33 is anomalous ellipse, knob piece 32 shaping has the arc limit, chucking hole 24 shaping has chucking structure 3, chucking structure 3 is including shaping in the hole 25 and the outer hole 26 of chucking hole 24 tip, hole 25 supplies knob piece 32 to rotate, outer hole 26 supplies end cover 33 to rotate, the aperture of outer hole 26 is greater than the aperture of hole 25, hole 25 and end cover 33's shape looks adaptation, can supply end cover 33 to pass through when hole 25 and end cover 33 align.

When the end cover is disassembled and assembled, the edge of the end cover 33 is aligned with the inner hole 25, the end cover 33 can enter the outer hole 26 through the inner hole 25, the end cover 33 rotates on the outer hole 26, so that the end cover 33 and the inner hole 25 deviate, and the inner end face of the end cover 33 and the outer end face of the inner hole 25 form stop matching; the outer diameter of the limiting ring block 36 formed on the connector head 31 is larger than the diameter of the inner hole 25, when the end cover 33 is positioned in the outer hole 26, the end surface of the limiting ring block 36 is matched with the stop of the inner end surface of the inner hole 25, and the connector head 31 formed on the end part of the liquid spraying pipe 1 is clamped on the clamping hole 24 to realize installation; when the end cover 33 is separated, the end cover 33 is rotated to be aligned with the inner hole 25, and the end cover 33 can be separated from the clamping hole 24 through the inner hole 25, so that the end cover can be detached; need not to adopt bolted connection when guaranteeing waterproof performance, it is higher to dismantle efficiency.

After clamping, the end cover 33 can be continuously turned, when the end cover 33 is not aligned with the inner hole 25, the connecting pipe head 31 and the clamping hole 24 can be clamped and matched, and therefore the mounting angle of the liquid spraying pipe 1 can be finely adjusted, the position of the liquid sprayed by the nozzle head 10 is changed, and dirt can be better washed on a passing lead frame.

The liquid storage cavity 4 comprises a plurality of first communicating cavities 41 and second communicating cavities 42 which are in a hole-shaped structure, the first communicating cavities 41 are transversely arranged, the second communicating cavities 42 are vertically arranged, the first communicating cavities 41 and the second communicating cavities 42 are perpendicular to each other and are communicated with each other, the first communicating cavities 41 communicate two adjacent clamping holes 24, and the first communicating cavities 41 communicate two adjacent first communicating cavities 41; joint 22 is installed to one of them side tip of mount pad, and the inner port of joint 22 communicates with the intersection of first intercommunication chamber 41 and second intercommunication chamber 42 simultaneously just, and the inner port of joint 22 communicates with first intercommunication chamber 41 and second intercommunication chamber 42 simultaneously promptly, and after logical water, liquid can get into first intercommunication chamber 41 and second intercommunication chamber 42 simultaneously fast, and stock solution chamber 4 can fill up liquid fast, and water supply efficiency promotes greatly. The adapter 22 feeds the liquid into the reservoir chamber 4 and is branched off into the spray tube 1 via the circular lumen of the tubular construction.

The liquid enters the first communicating cavity 41 and the second communicating cavity 42, under the same water pressure condition, the first communicating cavity 41 and the second communicating cavity 42 which are in the hole-shaped structure can increase the flowing speed, the impact force entering the liquid spraying pipe 1 and the nozzle head 10 is greatly increased, and the washing effect on the lead frame is further improved; in addition, because the volumes of the first communicating cavity 41 and the second communicating cavity 42 are small, the mounting seat is not easy to break when water is introduced, the service life is long, liquid can rapidly enter the liquid spraying pipe 1 and the nozzle head 10, the water outlet speed is greatly improved, and the phenomenon that the nozzle head 10 cannot timely discharge water when a lead frame enters a flushing area is avoided.

The first communicating cavity 41 and the second communicating cavity 42 are communicated with each other, when liquid connected from the connector 22 is introduced into the first communicating cavity 41 and the second communicating cavity 42, the liquid can be filled in each cavity rapidly, all the liquid spraying pipes connected with the mounting base can be communicated rapidly at the same time, the nozzle head 10 mounted on the liquid spraying pipes can spray the flushed liquid to the passing lead frame at the same time, and the cleaning effect on the lead frame is better.

In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The reverse impact water washing structure of the integrated circuit lead frame equipment is characterized in that: the mounting assembly comprises a mounting seat, the mounting seat is formed by penetrating and forming clamping holes for mounting the liquid spraying pipe, a liquid storage cavity is formed in the mounting seat and comprises a plurality of first communicating cavities and a plurality of second communicating cavities which are in a hole-shaped structure, the first communicating cavities communicate two adjacent clamping holes, and the first communicating cavities communicate two adjacent first communicating cavities; the mounting seat is provided with a joint communicated with the liquid storage cavity.

2. The reverse bump rinse structure for integrated circuit lead frame devices of claim 1 wherein: the tight hole shaping of card has the structure of stopping, and the spray tube tip shaping has and stops structure knob chucking complex to stop the piece, and the aperture in first intercommunication chamber and second intercommunication chamber all does not exceed the aperture in card tight hole.

3. The reverse impact water wash structure for integrated circuit lead frame devices of claim 2, wherein: the liquid spraying pipe is provided with a plurality of mounting holes for mounting a nozzle head along the length direction, and the nozzle head is provided with a liquid spraying cavity for liquid to enter from the mounting holes.

4. The reverse bump rinse structure for integrated circuit lead frame devices of claim 3 wherein: the cross-section of hydrojet chamber is oval, and hydrojet chamber tip intercommunication has the liquid outlet, and the shaping of liquid outlet terminal surface has the V type groove of indent.

5. The reverse impact water wash structure for integrated circuit lead frame devices of claim 4, wherein: stop block including the shaping in the connector tube head of hydrojet tip, connector tube head coaxial insert in the chucking hole, connector tube head tip shaping have with stop structure chucking complex knob piece.

6. The reverse impact water wash structure for integrated circuit lead frame devices of claim 5, wherein: the hole wall of the clamping hole is formed with a first flow through hole communicated with the liquid storage cavity, the connector head is formed with a second flow through hole and a third flow through hole, the second flow through hole transversely penetrates through the connector head, the third flow through hole is formed in the hole wall of the second flow through hole, and the second flow through hole is used for liquid to enter the liquid spraying pipe.

7. The reverse bump rinse structure for integrated circuit lead frame devices of claim 6 wherein: the second through hole and the third through hole are perpendicular to each other, and the connecting pipe head is nested with waterproof collars which are respectively positioned on two sides of the second through hole along the axial direction.

8. The reverse impact water wash structure for integrated circuit lead frame devices of claim 7 further comprising: and the connecting pipe head is axially formed with a limiting ring block which is used for limiting and installing the waterproof ring sleeve.

9. The reverse impact water wash structure for integrated circuit lead frame devices of claim 8, wherein: an end cover is formed at the end part of the knob block, an inner hole for the knob block to rotate and an outer hole for the end cover to rotate are formed at the end part of the clamping hole, and the inner end face of the end cover is matched with the outer end face of the inner hole in a stop manner in the axial direction.

10. The reverse impact water wash structure for integrated circuit lead frame devices of claim 9, wherein: the aperture of the outer hole is larger than that of the inner hole, the end cover is larger than the knob block, and the end cover is matched with the shape of the inner hole.