CN217507269U - Automatic cleaning device for diode chip after welding - Google Patents

Abstract

The utility model relates to a diode chip welding back self-cleaning device, it includes first immersion bath, ultrasonic cleaning groove, second immersion bath and evaporates the washtrough, first immersion bath, ultrasonic cleaning groove, second immersion bath and evaporate the washtrough and in proper order from the right side to left side the design install together, it has first baffle to design between second immersion bath and the ultrasonic cleaning groove, the design has the second baffle between first immersion bath and the ultrasonic cleaning groove, the second immersion bath also designs the third baffle with evaporating between the washtrough, first baffle and second baffle upper end all design have the height that highly is higher than the second baffle of overflow clearance and first baffle, belt cleaning device still includes recovery mechanism, and recovery mechanism includes condensing box, collection box, branch liquid case, circulating pump. The advantage is design benefit, and is rational in infrastructure, retrieves the moisture in the heating treatment mode through the overflow and gets rid of the cleaner, gets rid of impurity through the circulating filtration mode, guarantees that the cleaner can cyclic utilization, energy saving and emission reduction.

Description

Automatic cleaning device for diode chip after welding

Technical Field

The utility model relates to a semiconductor production field, concretely relates to diode chip welds back self-cleaning device.

Background

At present, a plurality of redundant foreign matters such as soldering paste and the like can be remained on diode chips after the welding, the chips need to be cleaned in a later period, in order to be cleaned quickly, cleaning agents (normal propyl bromide and isopropanol solution) are adopted to soak and clean the chips, ultrasonic cleaning is combined to clean the chips, related automatic cleaning devices are also arranged on the market at present, a plurality of diode chips are fixed through a fixed die set by workers manually and are conveyed into the cleaning devices through a net basket, some automatic devices are provided with a conveying belt and are automatically conveyed to a feeding position, the net basket is grabbed by a mechanical hand and is moved left and right through a truss, the net basket is placed into a soaking tank, ultrasonic cleaning is carried out again, soaking and cleaning are carried out again, steam cleaning and drying are carried out finally, the mechanical hand is taken out and conveyed to a conveying belt for discharging, but is cleaned for a long time, impurities in the cleaning agents are increased, and water and solid residues exist in the cleaning agents, the using effect of the cleaning agent is influenced, the cost is high when the cleaning agent is replaced, and the waste liquid discharge needs to be treated, so that the cleaning agent is more inconvenient.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a diode chip welds back self-cleaning device, design benefit, convenient to use can guarantee that the cleaner recycles.

The technical scheme of the utility model:

automatic cleaning device after diode chip welding, it includes first leaching tank, ultrasonic cleaning tank, second leaching tank and evaporates the washing tank, first leaching tank, ultrasonic cleaning tank, second leaching tank and evaporate the washing tank in proper order from right side to left side design and install together, the design has first baffle between second leaching tank and the ultrasonic cleaning tank, it has the second baffle to design between first leaching tank and the ultrasonic cleaning tank, it has the third baffle also to design between second leaching tank and the washing tank, first baffle and second baffle upper end all design have overflow clearance and the height of first baffle is higher than the height of second baffle, cleaning device still includes recovery mechanism, recovery mechanism includes condensing box, collection box, liquid distribution box, circulating pump, first leaching tank one side upper end is connected collection box one side upper end through an overflow pipe, the condensing box is installed to the upper end of collection box, the lower part UNICOM of collection box upper portion and condensing box, the lower end of one side of the condensing box is provided with a liquid separating box; the lower end of one side of the liquid separation box is connected with the inlet end of a circulating pump through a pipeline, the outlet end of the circulating pump is connected with one side of the second leaching tank through a pipeline, the outlet end pipeline of the circulating pump is also connected with one side of the steaming and washing tank through a bypass, and the lower end of the interior of the recovery box is provided with a heating pipe; the condensing box comprises a box body, a condensing coil, condensing guide plates and a converging tank, wherein the condensing coil is designed in the box body, two condensing guide plates are designed at the upper end in the box body, the two condensing guide plates are in a herringbone shape, the lower ends of the two condensing guide plates are connected to the inner walls of the two sides of the box body, the converging tank is designed at the lower end around the inside of the box body, a flow guide pipe is installed on the outer side of the lower end of the box body, and the lower end of the flow guide pipe is connected to the liquid separation box; the bottom of the box body is provided with an evaporation gas inlet, the upper part of the recovery box is provided with an evaporation gas outlet, and the evaporation gas outlet is connected with the evaporation gas inlet.

The liquid separation box is designed into a rectangular box body, an upper partition plate, a lower partition plate and a drain pipe are designed in the liquid separation box, the upper end of the upper partition plate is arranged at the upper end in the liquid separation box, a gap is reserved between the lower end of the upper partition plate and the lower end in the liquid separation box, the lower end of the lower partition plate is arranged at the lower end in the liquid separation box, a gap is reserved between the upper end of the lower partition plate and the upper end in the liquid separation box, a first layered cabinet is formed between the upper partition plate and the side wall of the adjacent liquid separation box, a second layered cabinet is formed between the upper partition plate and the lower partition plate, and a third layered cabinet is formed between the lower partition plate and the side wall of the adjacent liquid separation box, the lower end of the draft tube is connected with the upper part of the first layered cabinet and extends into the first layered cabinet for a certain distance, the upper end of the drain pipe is arranged on the outer side of the lower end of the first layered cabinet, the upper end of the drain pipe extends into the first layered cabinet for a section of height, and one end of the circulating pump is connected to the position, close to the bottom, on the outer side of the third layered cabinet; the lower end of the flow guide pipe extends into the first layered cabinet for a certain distance, and the outlet height of the lower end of the flow guide pipe is lower than that of the lower partition plate; the upper end of the drain pipe extends into the first hierarchical cabinet, and the inlet at the upper end of the drain pipe is higher than the lower partition plate.

And cooling coils are arranged at positions close to the outlets on the inner sides of the first soaking tank, the ultrasonic cleaning tank, the second soaking tank and the steaming and washing tank.

Cover plates are designed on the opening parts of the first soaking tank, the ultrasonic cleaning tank, the second soaking tank and the steaming and washing tank, one side of each cover plate is respectively provided with an air cylinder, and the front end of each air cylinder is respectively and rotatably connected to the middle position of the corresponding cover plate.

The bottoms of the first immersion cleaning tank, the ultrasonic cleaning tank, the second immersion cleaning tank and the steam cleaning tank are all designed to be inclined bottoms, and a slag discharge valve is designed at the lowest position of each inclined bottom; the outlet of each slag discharge valve is respectively connected with the inlet of one filter, the outlet of each filter is connected with one circulating water pump, and the outlet of each circulating water pump is connected with the middle upper position of one side of the corresponding cleaning tank.

Evaporate the washtrough including heating the chamber, evaporate and wash chamber and cooling chamber, heating chamber upper end design has evaporates and washes the chamber, heats the chamber and evaporates and wash and install net frame between the chamber, evaporate and wash chamber upper end oral area and design into the cooling chamber, cooling coil is installed to cooling chamber a week, the bottom design in heating chamber has the heating pipe, heats the intracavity and is equipped with the cleaner, the design of heating intracavity portion one side has high low level sensor.

The utility model has the advantages of design benefit, it is rational in infrastructure, retrieve through the overflow and add moisture among the thermal treatment mode and detach the cleaner, get rid of impurity through the circulating filtration mode, guarantee but cleaner cyclic utilization, energy saving and emission reduction.

Drawings

Fig. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic view of the recovery mechanism of the present invention.

Fig. 3 is a side view of the steam washing tank of the present invention.

Figure 4 is a side view of the second digester of the invention.

Detailed Description

Referring to the attached drawings 1-4, the automatic cleaning device after diode chip welding comprises a first immersion cleaning tank 1, an ultrasonic cleaning tank 2, a second immersion cleaning tank 3 and a steaming cleaning tank 4, wherein the first immersion cleaning tank 1, the ultrasonic cleaning tank 2, the second immersion cleaning tank 3 and the steaming cleaning tank 4 are sequentially arranged from right to left, a first partition plate 11 is arranged between the second immersion cleaning tank 3 and the ultrasonic cleaning tank 2, a second partition plate 12 is arranged between the first immersion cleaning tank 1 and the ultrasonic cleaning tank 2, a third partition plate is also arranged between the second immersion cleaning tank 3 and the steaming cleaning tank 4, overflow gaps are arranged at the upper ends of the first partition plate 11 and the second partition plate 12, the height of the first partition plate 11 is higher than that of the second partition plate 12, the cleaning device is characterized by further comprising a recovery mechanism 5, the recovery mechanism 5 comprises a condensation box 51, a recovery box 52, a liquid separation box 54 and a circulating pump 55, the upper end of one side of the first immersion cleaning tank 1 is connected with the upper end of one side of the recovery box 52 through an overflow pipe 10, the upper end of the recovery tank 52 is provided with a condensation tank 51, the upper part of the recovery tank 52 is communicated with the lower part of the condensation tank 51, and the lower end of one side of the condensation tank 51 is provided with a liquid separation tank 54; the lower end of one side of the liquid separation tank 54 is connected with the inlet end of a circulating pump 55 through a pipeline, the outlet end of the circulating pump 55 is connected with one side of the second leaching tank 3 through a pipeline, the pipeline of the outlet end of the circulating pump 55 is also connected with one side of the steaming and washing tank 4 through a bypass, and the lower end of the interior of the recovery tank 52 is provided with a heating pipe 56; the condensing box 51 comprises a box body 511, a condensing coil 512, condensing guide plates 513 and converging tanks 514, the condensing coil 512 is designed in the box body 511, two condensing guide plates 513 are designed at the upper end in the box body 511, the two condensing guide plates 513 are in a herringbone shape, the lower ends of the two condensing guide plates 513 are connected to the inner walls of the two sides of the box body 511, the converging tanks 514 are designed at the lower ends of the periphery in the box body 511, a guide pipe 517 is installed on the outer side of the lower end of the box body 511, and the lower end of the guide pipe 517 is connected to the liquid separating box 54; the bottom 13 of the box body 511 is designed with an evaporation gas inlet, and the upper part of the recycling box 52 is designed with an evaporation gas outlet, which is connected with the evaporation gas inlet.

The liquid separation box 54 is designed into a rectangular box body 511, an upper partition 541, a lower partition 542 and a drain pipe 543 are designed in the liquid separation box 54, the upper end of the upper partition 541 is installed at the upper end inside the liquid separation box 54, a gap is reserved between the lower end of the upper partition 541 and the lower end inside the liquid separation box 54, the lower end of the lower partition 542 is installed at the lower end inside the liquid separation box 54, a gap is reserved between the upper end of the lower partition 542 and the upper end inside the liquid separation box 54, a first layered cabinet is formed between the upper partition 541 and the side wall of the adjacent liquid separation box 54, a second layered cabinet is formed between the upper partition 541 and the lower partition 542, a third layered cabinet is formed between the lower partition 542 and the side wall of the adjacent liquid separation box 54, the lower end of the guide pipe 517 is connected above the first layered cabinet and extends into the first layered cabinet for a distance, the upper end of the drain pipe 543 is installed outside the lower end of the first layered cabinet and the upper end of the drain pipe 543 extends into the first layered cabinet for a height, one end of the circulating pump 55 is connected to the outer side of the third layered cabinet near the bottom; the lower end of the guide pipe 517 extends into the first layered cabinet for a certain distance, and the outlet height of the lower end of the guide pipe 517 is lower than that of the lower partition plate 542; the upper end of the water discharge pipe 543 extends into the first layer cabinet for a section of height, and the inlet at the upper end of the water discharge pipe 543 is higher than the lower partition plate 542.

And cooling coils 6 are arranged at positions close to the outlets on the inner sides of the first immersion cleaning tank 1, the ultrasonic cleaning tank 2, the second immersion cleaning tank 3 and the steam cleaning tank 4. The cooling coil can effectively prevent the cleaning agent from volatilizing to cause waste.

The mouth parts of the first immersion cleaning tank 1, the ultrasonic cleaning tank 2, the second immersion cleaning tank 3 and the steam cleaning tank 4 are all provided with cover plates 7, one side of each cover plate 7 is provided with a cylinder 71, and the front end of each cylinder 71 is respectively and rotatably connected to the middle position of the corresponding cover plate 7. The cover plate plays a role in safety protection and also plays a role in preventing the cleaning liquid from volatilizing. The cylinder controls the cover plate to be opened, and the device is simple, convenient, safe and reliable.

The bottoms of the first immersion cleaning tank 1, the ultrasonic cleaning tank 2, the second immersion cleaning tank 3 and the steam cleaning tank 4 are all designed into inclined bottoms 13, and the lowest position of each inclined bottom 13 is provided with a slag discharge valve; the outlet of each slag discharging valve is respectively connected with the inlet of one filter 8, the outlet of each filter 8 is connected with one circulating water pump 9, and the outlet of each circulating water pump 9 is connected with the middle upper position of one side of the corresponding cleaning tank. The design residue of bottom slope can better collect the position of sediment valve, and the solution in the washing tank that every circulating water pump circulation of rethread extraction corresponds makes solution filter through the filter repeatedly, gets rid of the residue, guarantees cleaner life.

Evaporate washtrough 4 including heating the chamber, evaporate and wash chamber and cooling chamber, heating chamber upper end design has evaporates and washes the chamber, heats the chamber and evaporates and wash and install net frame 41 between the chamber, evaporate and wash chamber upper end oral area and design into the cooling chamber, cooling chamber a week installs cooling coil, the bottom design in heating chamber has heating pipe 42, heats the intracavity and is equipped with the cleaner, the design of heating intracavity portion one side has high low level sensor 43.

When the utility model is used, the cleaning agents are arranged in the first soaking tank 1, the ultrasonic cleaning tank 2, the second soaking tank 3 and the steaming tank 4, the steaming tank is not communicated with the other three cleaning tanks, the cleaning agent in the second soaking tank is added into the ultrasonic cleaning tank to overflow, the cleaning agent in the ultrasonic cleaning tank is added into the first soaking tank to overflow, the cleaning agent in the first soaking tank is added into the recycling tank of the recycling mechanism to overflow, the recycling tank is provided with a heating pipe, the cleaning agent is purified and heated between 80 and 100 ℃, a large amount of solvent and a small amount of water can be evaporated, other impurities are precipitated, the volatilized solvent and water rise and are cooled through a condensing coil pipe, the solvent and the water are changed into liquid to guide flow to two sides after contacting with a condensing guide plate and fall into a converging tank, and finally the liquid is guided into a liquid separating tank through a guide pipe on one side of the converging tank, the water and the solvent are separated, the density of the water is less than the solvent, the solvent is incompatible, the solvent begins to be layered in the first layered cabinet after entering the liquid separation tank, water rises upwards, the solvent falls, the content of the water is very low, most of the solvent is the solvent, the solvent enters the second layered cabinet through a lower end gap, the solvent overflows to the third layered cabinet when the second layered cabinet is full, the solvent is pumped and conveyed into the second leaching tank through an outer side circulating pump in the third layered cabinet, and the impurities and the water floating in the solvent can be effectively removed through the circulation; the solution in the steaming and washing tank is monitored according to a high-low sensor, a solenoid valve on a solution supplementing pipeline is opened when the solution is at a low level, the solenoid valve leading to the second leaching tank is closed, a circulating pump preferentially supplements a cleaning agent in the steaming and washing tank, and the solenoid valve is switched back when the solution is at a high level, so that the overflow effect among the first leaching tank 1, the ultrasonic cleaning tank 2 and the second leaching tank 3 is normally ensured; meanwhile, a circulating water pump of each cleaning tank starts to work, the cleaning tanks are circularly extracted from the position of a slag discharge valve, and after residues are filtered by a filter, the cleaning tanks flow back from the upper part, and the two modes are combined to effectively remove the residues, moisture and other impurities in the cleaning agent, so that the continuous use of the cleaning agent is ensured, and the effects of energy conservation and emission reduction are achieved.

The diode chip of net basket is packed into through the mechanical handle at first and is put into first soaking groove, soaks, closes the apron during soaking, soaks for a certain time, and the manipulator takes out, puts into ultrasonic cleaning tank, puts into a new set of net basket in the first soaking groove simultaneously, closes the apron, and ultrasonic cleaning tank carries out ultrasonic cleaning, send into the second washing tank again after ultrasonic cleaning has been good and soak, then evaporate and wash after soaking, evaporate and wash the completion back, take out, accomplish and wash.

Claims (6)

1. The automatic cleaning device for the welded diode chips comprises a first immersion cleaning tank, an ultrasonic cleaning tank, a second immersion cleaning tank and a steam cleaning tank, wherein the first immersion cleaning tank, the ultrasonic cleaning tank, the second immersion cleaning tank and the steam cleaning tank are sequentially designed and installed together from right to left, a first partition plate is designed between the second immersion cleaning tank and the ultrasonic cleaning tank, a second partition plate is designed between the first immersion cleaning tank and the ultrasonic cleaning tank, a third partition plate is also designed between the second immersion cleaning tank and the steam cleaning tank, overflow gaps are designed at the upper ends of the first partition plate and the second partition plate, the height of the first partition plate is higher than that of the second partition plate, the automatic cleaning device is characterized by further comprising a recovery mechanism, the recovery mechanism comprises a condensation box, a recovery box, a liquid distribution box and a circulating pump, the upper end of one side of the first immersion cleaning tank is connected with the upper end of one side of the recovery box through an overflow pipe, the condensation box is installed at the upper end of the recovery box, the upper part of the recovery tank is communicated with the lower part of the condensing tank, and the lower end of one side of the condensing tank is provided with a liquid separation tank; the lower end of one side of the liquid separation box is connected with the inlet end of a circulating pump through a pipeline, the outlet end of the circulating pump is connected with one side of the second leaching tank through a pipeline, the outlet end pipeline of the circulating pump is also connected with one side of the steaming and washing tank through a bypass, and the lower end of the interior of the recovery box is provided with a heating pipe; the condensing box comprises a box body, a condensing coil, condensing guide plates and a converging tank, wherein the condensing coil is designed in the box body, two condensing guide plates are designed at the upper end in the box body, the two condensing guide plates are in a herringbone shape, the lower ends of the two condensing guide plates are connected to the inner walls of the two sides of the box body, the converging tank is designed at the lower end around the inside of the box body, a flow guide pipe is installed at the outer side of the lower end of the box body, and the lower end of the flow guide pipe is connected to the liquid separation box; the bottom of the box body is provided with an evaporation gas inlet, the upper part of the recovery box is provided with an evaporation gas outlet, and the evaporation gas outlet is connected with the evaporation gas inlet.

2. The automatic cleaning device for the diode chip after welding according to claim 1, wherein the liquid separation box is designed into a rectangular box body, an upper partition plate, a lower partition plate and a drain pipe are designed in the liquid separation box, the upper end of the upper partition plate is arranged at the upper end in the liquid separation box, a gap is reserved between the lower end of the upper partition plate and the lower end in the liquid separation box, the lower end of the lower partition plate is arranged at the lower end in the liquid separation box, a gap is reserved between the upper end of the lower partition plate and the upper end in the liquid separation box, a first layered cabinet is formed between the upper partition plate and the side wall of the adjacent liquid separation box, a second layered cabinet is formed between the upper partition plate and the lower partition plate, a third layered cabinet is formed between the lower partition plate and the side wall of the adjacent liquid separation box, the lower end of the flow guide pipe is connected above the first layered cabinet and extends into the first layered cabinet for a distance, the upper end of the drain pipe is arranged outside the lower end of the first layered cabinet and the upper end of the drain pipe extends into the first layered cabinet for a certain height, the inlet end of the circulating pump is connected to the outer side of the third layered cabinet and is close to the bottom; the lower end of the flow guide pipe extends into the first layered cabinet for a certain distance, and the outlet height of the lower end of the flow guide pipe is lower than that of the lower partition plate; the upper end of the drain pipe extends into the first hierarchical cabinet, and the inlet at the upper end of the drain pipe is higher than the lower partition plate.

3. The automatic cleaning device for the diode chip after welding as claimed in claim 1, wherein the inner sides of the first soaking tank, the ultrasonic cleaning tank, the second soaking tank and the steaming tank are all designed with cooling coils near the outlet.

4. The automatic cleaning device for the diode chip after welding as claimed in claim 1, wherein cover plates are respectively designed on the opening parts of the first soaking tank, the ultrasonic cleaning tank, the second soaking tank and the steaming and washing tank, one side of each cover plate is respectively provided with an air cylinder, and the front end of each air cylinder is respectively and rotatably connected to the middle position on the corresponding cover plate.

5. The automatic cleaning device for the diode chip after welding according to claim 1, wherein the bottoms of the first soaking tank, the ultrasonic cleaning tank, the second soaking tank and the steaming tank are all designed to be inclined bottoms, and a slag discharging valve is designed at the lowest position of each inclined bottom; the outlet of each slag discharging valve is connected with the inlet of one filter, the outlet of each filter is connected with one circulating water pump, and the outlet of each circulating water pump is connected with the middle upper position of one side of the corresponding cleaning groove.

6. The automatic cleaning device for the diode chip after welding according to claim 1, wherein the steaming and washing tank comprises a heating cavity, a steaming and washing cavity and a cooling cavity, the upper end of the heating cavity is provided with the steaming and washing cavity, a grid frame is arranged between the heating cavity and the steaming and washing cavity, the upper end opening of the steaming and washing cavity is designed into the cooling cavity, a cooling coil is arranged around the cooling cavity, the bottom of the heating cavity is provided with a heating pipe, a cleaning agent is arranged in the heating cavity, and one side in the heating cavity is provided with a high-low sensor.

Images