CN112916495A - PCBA cleaning machine - Google Patents
PCBA cleaning machine Download PDFInfo
- Publication number
- CN112916495A CN112916495A CN202110446881.XA CN202110446881A CN112916495A CN 112916495 A CN112916495 A CN 112916495A CN 202110446881 A CN202110446881 A CN 202110446881A CN 112916495 A CN112916495 A CN 112916495A
- Authority
- CN
- China
- Prior art keywords
- chamber
- rinsing
- main
- cleaning
- conveyor belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 135
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 title claims abstract 13
- 238000002955 isolation Methods 0.000 claims abstract description 51
- 239000000126 substance Substances 0.000 claims abstract description 49
- 238000005520 cutting process Methods 0.000 claims abstract description 35
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 105
- 239000007921 spray Substances 0.000 claims description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 80
- 239000008237 rinsing water Substances 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000008367 deionised water Substances 0.000 claims description 17
- 229910021641 deionized water Inorganic materials 0.000 claims description 17
- 238000012806 monitoring device Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 5
- 238000009434 installation Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 48
- 238000005406 washing Methods 0.000 description 27
- 238000010926 purge Methods 0.000 description 19
- 238000001035 drying Methods 0.000 description 12
- 238000005485 electric heating Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000006072 paste Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention is suitable for the field of cleaning of semiconductor equipment, and provides a PCBA cleaning machine, which comprises: the system comprises a plate inlet, a chemical cleaning chamber, a chemical isolation chamber, a rinsing chamber, a spraying chamber, a wind cutting chamber, a hot air chamber, a plate outlet, a wet-type mesh conveyor belt and a dry-type mesh conveyor belt; the wet mesh conveyor belt and the dry mesh conveyor belt are arranged at a right angle in the horizontal direction, and the second end of the wet mesh conveyor belt and the first end of the dry mesh conveyor belt are arranged at intervals; the wet mesh conveyor belt runs on the first conveying channel, and the dry mesh conveyor belt runs on the second conveying channel. Compared with an in-line PCBA cleaning machine, the wet-type mesh conveyor belt cleaning machine has the advantages that the requirement on the length of an installation space is low, the transmission efficiency of workers is improved, meanwhile, the wet-type mesh conveyor belt and the dry-type mesh conveyor belt can be separated in a dry-wet mode, the service life of the conveyor belt is prolonged, and the replacement cost of the conveyor belt is reduced.
Description
Technical Field
The invention belongs to the field of semiconductor equipment cleaning, and particularly relates to a PCBA cleaning machine.
Background
PCBA (Printed Circuit Board + Assembly) refers to a PCB Board after multiple processes such as SMT loading, deionization P-plug-in and subsequent reflow soldering. In the manufacturing and using processes of the PCBA, the pollutants such as flux residue, solder balls, solder paste, dust, impurity oil stains and the like on the surface often exist, and the pollutants are difficult to clean and can directly cause the problem of poor printing, so that the PCBA cleaning is particularly important. The existing online PCBA cleaning machine is composed of a cleaning chamber and a conveyor belt, wherein a PCBA plate is flatly placed at an entrance, and the PCBA plate is cleaned and dried sequentially through the cleaning chamber, a rinsing chamber, a wind cutting chamber and a drying chamber through the conveyor belt. The in-line type online PCBA cleaning machine has the following defects: 1. the straight-line distribution of the cleaning chamber, the rinsing chamber, the wind cutting chamber and the drying chamber leads to higher requirements on the length of an installation space, and is not beneficial to information transmission of workers at two ends and observation of working conditions in the cleaning chamber, the rinsing chamber, the wind cutting chamber and the drying chamber by the workers when the plate feeding and the plate discharging are carried out manually; 2. because the conveyer belt that online PCBA cleaning machine adopted can pass through the district such as purge chamber, rinsing room, wind cutting room, drying chamber, the conveyer belt can be stained with the scaling powder and remain, pollutants such as tin ball, soldering paste, dust, impurity greasy dirt in washing, rinsing process unavoidably, long-term washing and rinsing back are directly carried out wind again and are cut and dry also can reduce the life of conveyer belt, when changing the conveyer belt, need whole change, the cost is higher.
Disclosure of Invention
The invention provides a PCBA cleaning machine, and aims to solve the problems that the length requirement of an installation space of the existing online PCBA cleaning machine is too high, the service life of a conveying belt is shortened due to long-term cleaning and rinsing, the conveying belt needs to be integrally replaced when replaced, and the cost is high.
The present invention is thus achieved, providing a PCBA cleaning machine, comprising: the system comprises a plate inlet, a chemical cleaning chamber, a chemical isolation chamber, a rinsing chamber, a spraying chamber, a wind cutting chamber, a hot air chamber, a plate outlet, a wet-type mesh conveyor belt and a dry-type mesh conveyor belt;
the plate inlet is connected with an inlet of the chemical cleaning chamber, an outlet of the chemical cleaning chamber is connected with an inlet of the chemical isolation chamber, an outlet of the chemical isolation chamber is connected with an inlet of the rinsing chamber, and an outlet of the rinsing chamber is connected with an inlet of the spray chamber to form a horizontally through first conveying channel;
the outlet of the spray chamber is connected with the inlet of the air cutting chamber, the outlet of the air cutting chamber is connected with the inlet of the hot air chamber, and the outlet of the hot air chamber is connected with the plate outlet to form a second horizontally-through conveying channel;
the wet mesh conveyor belt and the dry mesh conveyor belt are arranged at a right angle in the horizontal direction, a first end of the wet mesh conveyor belt is positioned at the plate inlet, a second end of the wet mesh conveyor belt and the first end of the dry mesh conveyor belt are arranged at an interval, and a second end of the dry mesh conveyor belt is positioned at the plate outlet;
the wet mesh conveyor belt runs on the first conveying channel, and the dry mesh conveyor belt runs on the second conveying channel.
Further, chemistry purge chamber is including wasing room and main purge chamber in advance, a washing liquid case of wasing room and main purge chamber sharing in advance, correspond in the purge chamber in advance and set up washing water pump in advance, wash water pump's pump export in advance with wash spray piping connection in advance in the purge chamber in advance the first washing of presetting quantity in advance, correspond in the main purge chamber and set up main washing water pump, main washing water pump's pump export with the main washing spray piping connection of the second of presetting quantity in the main purge chamber, the second is preset quantity and is greater than first preset quantity.
Furthermore, a first filtering device is arranged at a pump inlet of the pre-cleaning water pump, a second filtering device is arranged at a pump inlet of the main cleaning water pump, and the filtering precision of the second filtering device is higher than that of the first filtering device by a first preset value.
Furthermore, a cleaning liquid heating device and a cleaning liquid temperature monitoring device are arranged in the cleaning liquid tank.
Furthermore, the rinsing room is including rinsing room and the main chamber of rinsing of first main and second in advance, wash room and main chamber of rinsing of advance a first rinsing liquid case, the main chamber of rinsing of second uses a second rinsing liquid case alone, it sets up in advance the rinsing water pump to correspond in the chamber of rinsing in advance, the pump export of rinsing water pump in advance with the rinsing spray piping connection in advance of the third in the rinsing room in advance of predetermineeing quantity, correspond in the first main chamber of rinsing and set up first main rinsing water pump, the pump export of first main rinsing water pump with the first main rinsing spray piping connection of the fourth in the first main chamber of rinsing of predetermineeing quantity, correspond in the main chamber of rinsing of second and set up the main rinsing water pump of second, the pump export of main rinsing water pump of second with the main rinsing spray piping connection of the second of the fifth in the main chamber of second of predetermineeing quantity, the fourth predetermineeing quantity and be greater than the third predetermineeing quantity, the fifth preset number is greater than the second preset number and less than the fourth preset number.
Furthermore, a third filtering device is arranged at a pump inlet of the pre-rinsing water pump, a fourth filtering device is arranged at a pump inlet of the first main rinsing water pump, a fifth filtering device is arranged at a pump inlet of the second main rinsing water pump, the filtering precision of the fourth filtering device is higher than a second preset value of the filtering precision of the third filtering device, and the filtering precision of the fifth filtering device is higher than a third preset value of the filtering precision of the fourth filtering device.
Furthermore, a first rinsing liquid heating device and a first rinsing liquid temperature monitoring device are arranged in the first rinsing liquid tank, and a second rinsing liquid heating device and a second rinsing liquid temperature monitoring device are arranged in the second rinsing liquid tank.
Furthermore, the first rinsing liquid tank and the second rinsing liquid tank are used for containing deionized water, a first resistivity monitoring device is arranged in the first rinsing liquid tank, and a second resistivity monitoring device is arranged in the second rinsing liquid tank.
Furthermore, chemistry isolation room includes cold isolation room and thermal isolation room, the entry of thermal isolation room with main purge chamber exit linkage, the export of thermal isolation room with the entry linkage of cold isolation room, the export of cold isolation room with the entry linkage of rinsing room in advance.
Furthermore, the thermal isolation chamber and the chemical cleaning chamber share one cleaning liquid tank, and the cold isolation chamber uses one waste liquid collecting tank alone.
The invention achieves the following beneficial effects: the invention comprises the following steps: the system comprises a plate inlet, a chemical cleaning chamber, a chemical isolation chamber, a rinsing chamber, a spraying chamber, a wind cutting chamber, a hot air chamber, a plate outlet, a wet-type mesh conveyor belt and a dry-type mesh conveyor belt; the plate inlet is connected with an inlet of the chemical cleaning chamber, an outlet of the chemical cleaning chamber is connected with an inlet of the chemical isolation chamber, an outlet of the chemical isolation chamber is connected with an inlet of the rinsing chamber, and an outlet of the rinsing chamber is connected with an inlet of the spray chamber to form a horizontally through first conveying channel; the outlet of the spray chamber is connected with the inlet of the air cutting chamber, the outlet of the air cutting chamber is connected with the inlet of the hot air chamber, and the outlet of the hot air chamber is connected with the plate outlet to form a second horizontally-through conveying channel; the wet mesh conveyor belt and the dry mesh conveyor belt are arranged at a right angle in the horizontal direction, a first end of the wet mesh conveyor belt is positioned at the plate inlet, a second end of the wet mesh conveyor belt and the first end of the dry mesh conveyor belt are arranged at an interval, and a second end of the dry mesh conveyor belt is positioned at the plate outlet; the wet mesh conveyor belt runs on the first conveying channel, and the dry mesh conveyor belt runs on the second conveying channel. The conveying belt is divided into a wet-type mesh conveying belt and a dry-type mesh conveying belt, the wet-type mesh conveying belt and the dry-type mesh conveying belt are arranged at a right angle in the horizontal direction, so that a plate inlet, a chemical cleaning chamber, a chemical isolation chamber, a rinsing chamber, a spraying chamber, a wind cutting chamber, a hot air chamber and a plate outlet are sequentially arranged in an L shape, compared with an in-line mode, the requirement on the length of an installation space is lower, the conveying efficiency of workers is improved, meanwhile, the conveying belt is divided into the wet-type mesh conveying belt and the dry-type mesh conveying belt, the wet-type mesh conveying belt runs in the first conveying channel, the dry-type mesh conveying belt runs in the second conveying channel, the wet-type mesh conveying belt and the dry-type mesh conveying belt are separated in a dry-wet mode, the service.
Drawings
FIG. 1 is an overall structure diagram of a PCBA cleaning machine in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an L-shaped conveyor belt according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a T-belt in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a multi-stage overflow structure of a rinse solution tank according to an embodiment of the present invention.
Wherein: 10. a plate inlet; 20. a chemical cleaning chamber; 21. a pre-cleaning chamber; 22 a main cleaning chamber; 30. a chemical isolation chamber; 31. a water pump for isolation; 40. a rinsing chamber; 41. a pre-rinsing chamber; 411. pre-rinsing a water pump; 42. a first main rinsing chamber; 421. a first main rinsing water pump; 43. a second main rinsing chamber; 431. a second main rinsing water pump; 50. a spray chamber; 60. a wind cutting chamber; 61. a first wind cutting chamber; 62. a second wind cutting chamber; 70. a hot air chamber; 80. a plate outlet; 90. a wet mesh conveyor belt; 100. a dry mesh conveyor belt; 110. a transfer table; 120. a first rinse solution tank; 130. a second rinse solution tank; 140. a deionized water tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The existing online PCBA cleaning machine is in-line distribution of a cleaning chamber, a rinsing chamber, a wind cutting chamber and a drying chamber, so that higher requirements are provided for the length of an installation space, when both plate feeding and plate discharging need manual work, information transmission of workers at two ends is not facilitated, and observation of working conditions in the cleaning chamber, the rinsing chamber, the wind cutting chamber and the drying chamber by the workers is also not facilitated; in addition, because the conveyer belt that online PCBA cleaning machine adopted can pass through regions such as purge chamber, rinsing room, wind cutting room, drying chamber, the conveyer belt can stick to scaling powder residue, pollutants such as tin ball, soldering paste, dust, impurity greasy dirt in washing, rinsing process unavoidably, long-term washing and rinsing back is directly carried out wind cutting and drying again and also can reduce the life of conveyer belt, when changing the conveyer belt, need whole change, the cost is higher. The invention has the advantages that the conveying belts are divided into the wet-type mesh conveying belt and the dry-type mesh conveying belt which are arranged at a right angle in the horizontal direction, so that the plate inlet, the chemical cleaning chamber, the chemical isolation chamber, the rinsing chamber, the spraying chamber, the wind cutting chamber, the hot air chamber and the plate outlet are sequentially arranged in an L shape, compared with the straight-line type, the requirement on the length of an installation space is lower, and the conveying efficiency of workers is improved.
Example one
Referring to fig. 1 to 4, fig. 1 is an overall structural diagram of a PCBA cleaning machine according to an embodiment of the present invention, and as shown in fig. 1, an embodiment of the present invention provides a PCBA cleaning machine, including: a plate inlet 10, a chemical cleaning chamber 20, a chemical isolation chamber 30, a rinsing chamber 40, a spraying chamber 50, a wind cutting chamber 60, a hot air chamber 70, a plate outlet 80, a wet-type mesh conveyor belt 90 and a dry-type mesh conveyor belt 100; the plate inlet 10 is connected with an inlet of the chemical cleaning chamber 20, an outlet of the chemical cleaning chamber 20 is connected with an inlet of the chemical isolation chamber 30, an outlet of the chemical isolation chamber 30 is connected with an inlet of the rinsing chamber 40, and an outlet of the rinsing chamber 40 is connected with an inlet of the spray chamber 50 to form a first horizontally-through conveying channel; the outlet of the spray chamber 50 is connected with the inlet of the wind cutting chamber 60, the outlet of the wind cutting chamber 60 is connected with the inlet of the hot air chamber 70, and the outlet of the hot air chamber 70 is connected with the plate outlet 80 to form a second horizontally-penetrating conveying channel; wherein the wet mesh conveyor 90 and the dry mesh conveyor 100 are arranged at a right angle in the horizontal direction, a first end of the wet mesh conveyor 90 is located at the plate inlet 10, a second end of the wet mesh conveyor 90 is arranged at a distance from the first end of the dry mesh conveyor 100, and a second end of the dry mesh conveyor 100 is located at the plate outlet 80; the wet mesh conveyor 90 runs on the first conveying path, and the dry mesh conveyor 100 runs on the second conveying path.
In the embodiment of the present invention, the conveyor belts are divided into a wet mesh conveyor belt 90 and a dry mesh conveyor belt 100, and the wet mesh conveyor belt 90 and the dry mesh conveyor belt 100 are arranged at right angles in the horizontal direction, so that the plate inlet 10, the chemical cleaning chamber 20, the chemical isolation chamber 30, the rinsing chamber, the shower chamber 50, the wind cutting chamber, the hot air chamber 70, and the plate outlet 80 are arranged in an L shape in sequence, and compared with the in-line type, the requirement for the length of the installation space is low, and the transmission efficiency of the worker is improved, and meanwhile, because the conveyor belts are divided into the wet mesh conveyor belt 90 and the dry mesh conveyor belt 100, the wet mesh conveyor belt 90 runs in the first conveying passage, and the dry mesh conveyor belt 100 runs in the second conveying passage, so that the wet mesh conveyor belt 90 and the dry mesh conveyor belt 100 form dry-wet separation, and the service life, the replacement cost of the conveyor belt is reduced.
Further, the height of the conveying surface of the wet mesh conveyor 90 from the ground is 900 ± 50mm, and the height of the conveying surface of the dry mesh conveyor 100 is about 10mm lower than the conveying surface of the wet mesh conveyor 90, so that a gap is formed by which the PCBA board is conveyed from the conveying surface of the wet mesh conveyor 90 to the conveying surface of the dry mesh conveyor 100 when the PCBA board is conveyed from the conveying surface of the wet mesh conveyor 90 to the dry mesh conveyor 100.
In one possible embodiment, the second end of the wet web conveyor 90 is spaced from the first end of the dry web conveyor 100 by a transfer table 110, the wet web conveyor 90 conveying PCBA boards to the transfer table 110, and the operator sorting PCBA boards from the transfer table 110 onto the dry web conveyor 100, as shown in FIG. 2.
In another possible embodiment, PCBA boards of different sizes may be cleaned, the second end of the wet-type mesh conveyor 90 is spaced from the first end of the dry-type mesh conveyor 100 by a transfer table 110, the wet-type mesh conveyor 90 conveys PCBA boards to the transfer table 110, the PCBA boards are sorted from the transfer table 110 by the operator onto the dry-type mesh conveyor 100, the dry-type mesh conveyor 100 comprises two dry-type mesh conveyors 100, such that the wet-type mesh conveyor 90 and the dry-type mesh conveyor 100 are arranged in a T-shape, the two dry-type mesh conveyors 100 may be arranged at different conveying speeds, the operator sorts PCBA boards of larger sizes onto the dry-type mesh conveyor 100 of slower speed to ensure an extended drying time and to reduce the length of the drying chamber, the operator sorts PCBA boards of smaller sizes onto the dry-type mesh conveyor 100 of faster speed, to ensure that the smaller size PCBA board is not overly dried, as shown in fig. 3.
Further, the wet mesh conveyor belt 90 is made of a metal material having good acid resistance and alkali resistance, and may further have a metal surface treatment for further improving the acid resistance and alkali resistance of the wet mesh conveyor belt 90, such as a ceramic coating or a titanium coating. The metallic material may be iron or aluminum. The dry mesh conveyor belt 100 is made of iron or aluminum, which can endure the temperature of a drying zone due to long-time operation in the drying zone, and there is no fear of acid resistance and alkali resistance, and the conveyor belt is low in cost.
Further, the transmission speeds of the wet mesh conveyor 90 and the dry mesh conveyor 100 are both adjustable within a range of 10cm to 150cm/min, and the transmission speeds of the wet mesh conveyor 90 and the dry mesh conveyor 100 are adjusted by controlling the rotation speeds of the motors of the wet mesh conveyor 90 and the dry mesh conveyor 100.
Furthermore, the whole frame of the chemical cleaning chamber 20, the chemical isolation chamber 30, the rinsing chamber, the spraying chamber 50, the wind cutting chamber and the hot air chamber 70 is made of stainless steel, so that the firmness and the durability are improved, and the chemical cleaning chamber also has higher acid resistance and alkali resistance.
Further, chemistry purge chamber 20 is including wasing room 21 and main purge chamber 22 in advance, wash room 21 and main purge chamber 22 a shared cleaning solution case in advance, it sets up the washing water pump in advance to correspond in the purge chamber 21, the pump export of wasing the water pump in advance with wash spray pipe in advance in the purge chamber 21 first in advance of predetermineeing the quantity and connect, it sets up main washing water pump to correspond in the main purge chamber 22, the pump export of main washing water pump with the main washing spray pipe that the quantity was predetermine to the second in the main purge chamber 22 is connected, the quantity is predetermine to the second and is greater than first in advance. The cleaning solution tank is made of stainless steel, so that the firmness and the durability are improved, and the cleaning solution tank also has higher acid resistance and alkali resistance. In chemical purge chamber 20, adopt to wash water pump and main washing water pump in advance respectively and wash and main chemical cleaning, can provide different spray pressure for chemical cleaning's pressure range is more nimble. The first preset number can be two in the upper direction and the second preset number can be an integer from four to seven in the upper direction and the lower direction, the second preset number is preferably five in the upper direction and the lower direction, the pre-cleaning water pump pumps out cleaning liquid from the cleaning liquid tank, the pump outlet of the pre-cleaning water pump is connected with the pre-cleaning spraying pipelines of the two in the pre-cleaning chamber 21 in the upper direction and the lower direction, and the PCBA on the conveyor belt is sprayed, so that the PCBA is pre-cleaned. The washing liquid is taken out from the washing liquid case to main washing water pump, through the pump export of main washing water pump with each five roots in the upper and lower of main purge chamber 22 are washd spray piping in advance and are connected, spray the PCBA board on the conveyer belt to the realization is to the main chemical cleaning of PCBA board. The cleaning solution tank is arranged right below the wet mesh conveyor belt 90 and is used for collecting cleaning solution sprayed by the spray pipeline during pre-cleaning and main chemical cleaning for reuse. The pre-cleaning water pump is arranged under the wet-type mesh conveyor belt 90, the main cleaning water pump is arranged under the wet-type mesh conveyor belt 90, and a pump inlet of the pre-cleaning water pump and a pump inlet of the main cleaning water pump are both arranged under the liquid level of the cleaning liquid in the cleaning liquid tank. The cleaning liquid is water-based cleaning liquid.
The upper and lower two pre-cleaning spray pipes are arranged right above the conveying surface, the two pre-cleaning spray pipes are arranged right below the conveying surface, the two pre-cleaning spray pipes arranged right above the conveying surface spray downwards, and the two pre-cleaning spray pipes arranged right below the conveying surface spray upwards. Similarly, the upper part and the lower part of the conveying surface are respectively provided with five main cleaning spray pipelines, the lower part of the conveying surface is provided with five main cleaning spray pipelines, the five main cleaning spray pipelines arranged right above downwards spray, and the five main cleaning spray pipelines arranged right below spray upwards.
In a possible embodiment, the pre-cleaning spray pipe and the main cleaning spray pipe are pressure-adjustable spray pipes, so that the spray pressure of downward spraying right above can be set higher than the spray pressure of upward spraying right below during pre-cleaning and main chemical cleaning, and thus the PCBA board can be prevented from jumping.
Furthermore, a first filtering device is arranged at a pump inlet of the pre-cleaning water pump, a second filtering device is arranged at a pump inlet of the main cleaning water pump, and the filtering precision of the second filtering device is higher than that of the first filtering device by a first preset value. Impurities in the cleaning liquid tank can be filtered by the first filtering device and the second filtering device, the first preset value can be 0.02mm, the filtering precision of the first filtering device can be 0.22mm, and the filtering precision of the second filtering device can be 0.20 mm.
Furthermore, a cleaning liquid heating device and a cleaning liquid temperature monitoring device are arranged in the cleaning liquid tank. The cleaning liquid heating device can be an electric heating wire arranged on the wall of the cleaning liquid tank, an electric heating wire arranged in an interlayer of the wall of the cleaning liquid tank, and an electric heating patch arranged on the outer wall of the cleaning liquid tank. The cleaning liquid temperature monitoring device is a liquid temperature monitoring sensor (also called a liquid temperature detection sensor or a liquid thermometer).
Further, the rinsing chamber 40 includes a pre-rinsing chamber 41 and a first main rinsing chamber 42 and a second main rinsing chamber 43, the pre-rinsing chamber 21 and the main rinsing chamber 22 share a first rinsing liquid tank 120, the second main rinsing chamber 43 uses a second rinsing liquid tank 130 alone, a pre-rinsing water pump 411 is correspondingly disposed in the pre-rinsing chamber 41, an outlet of the pre-rinsing water pump 411 is connected with a third pre-rinsing spraying pipeline of a preset number in the pre-rinsing chamber 41, a first main rinsing water pump 421 is correspondingly disposed in the first main rinsing chamber 42, an outlet of the first main rinsing water pump 421 is connected with a fourth main rinsing spraying pipeline of a preset number in the first main rinsing chamber 42, a second main rinsing water pump 431 is correspondingly disposed in the second main rinsing chamber 43, an outlet of the second main rinsing water pump 431 is connected with a fifth main rinsing spraying pipeline of a preset number in the second main rinsing chamber 43, the fourth preset number is larger than the third preset number, and the fifth preset number is larger than the second preset number and smaller than the fourth preset number.
In the rinsing chamber 40, the pre-rinsing water pump 411 and the first main rinsing water pump 421 are used for pre-rinsing and first rinsing, respectively, so that different spraying pressures can be provided, and the pressure range of rinsing is more flexible. The third preset number may be two from top to bottom, and the fourth preset number may be an integer from four to seven from top to bottom, and the fourth preset number in the embodiment of the present invention is preferably five from top to bottom, and the pre-rinsing water pump 411 pumps out the rinsing liquid from the first rinsing liquid tank 120, and the pump outlet of the pre-rinsing water pump 411 is connected to the pre-rinsing spraying pipes of two from top to bottom in the pre-rinsing chamber 41, so as to spray the PCBA board on the conveyor belt, so as to pre-rinse the PCBA board. Rinse liquid is taken out from first rinse liquid case 120 to first main rinse water pump 421, through the pump export of first main rinse water pump 421 with each five first main rinse spray piping connection about in the first main rinse room 42 sprays the PCBA board on the conveyer belt to the realization is to the first main rinsing of PCBA board. The first rinse liquid tank 120 is disposed right below the wet mesh conveyor belt 90, and is used for collecting rinse liquid sprayed from the spray pipes for pre-rinsing and first rinsing for reuse. The fifth preset number may be an integer of four to seven from top to bottom, and is preferably five from top to bottom, the second main rinsing water pump 431 pumps the rinsing liquid from the second rinsing liquid tank 130, and the pump outlet of the second main rinsing water pump 431 is connected with five second main rinsing spraying pipes from top to bottom in the second main rinsing chamber 43, so as to spray the PCBA plate on the conveyor belt, so as to implement the second main rinsing of the PCBA plate. The pre-rinse water pump 411 is disposed right below the wet mesh conveyor belt 90, the first main rinse water pump 421 is disposed right below the wet mesh conveyor belt 90, and a pump inlet of the pre-rinse water pump 411 and a pump inlet of the first main rinse water pump 421 are both disposed below a liquid level of the rinse liquid in the first rinse liquid tank 120. The second main rinse water pump 431 is disposed just below the wet mesh conveyor 90, and a pump inlet of the second main rinse water pump 431 is disposed below the level of the rinse liquid in the second rinse liquid tank 130. The rinsing liquid is deionized water.
Wherein, can set up two in advance rinsing spray piping directly over the conveying face, set up two in advance rinsing spray piping directly below conveying simultaneously, spray downwards at two in advance rinsing spray piping that directly over set up, spray upwards at two in advance rinsing spray piping that directly below set up. Similarly, five first main rinsing spray pipelines can be arranged right above the conveying surface, five first main rinsing spray pipelines can be arranged right below the conveying surface, the five first main rinsing spray pipelines arranged right above spray downwards spray, and the five first main rinsing spray pipelines arranged right below spray upwards spray. Similarly, five second main rinsing spray pipelines can be arranged right above the conveying surface, five second main rinsing spray pipelines can be arranged right below the conveying surface, the five second main rinsing spray pipelines arranged right above spray downwards spray, and the five second main rinsing spray pipelines arranged right below spray upwards spray.
In a possible embodiment, the pre-rinsing spray pipe and the first main cleaning spray pipe are both pressure-adjustable spray pipes, so that the spray pressure of downward spraying from the top can be set higher than the spray pressure of upward spraying from the bottom during pre-rinsing and first rinsing, and thus the PCBA board can be prevented from jumping. Similarly, the second main cleaning spray pipeline is also a pressure-adjustable spray pipeline, and the spray pressure of downward spraying right above can be set higher than the spray pressure of upward spraying right below during second rinsing, so that the PCBA board springboard can be prevented.
The second main rinsing chamber 43 may be a spare main rinsing chamber, and when the first main rinsing chamber 42 is not in use, the PCBA board is rinsed by the second main rinsing chamber 43.
The pre-rinsing water pump 411 is provided with a third filter device at a pump inlet, the first main rinsing water pump 421 is provided with a fourth filter device at a pump inlet, the second main rinsing water pump 431 is provided with a fifth filter device at a pump inlet, the filter precision of the fourth filter device is higher than the filter precision of the third filter device by a second preset value, and the filter precision of the fifth filter device is higher than the filter precision of the fourth filter device by a third preset value. The impurities in the first rinsing liquid tank 120 may be filtered by the third filtering device and the fourth filtering device, the second preset value may be 0.02mm, the filtering accuracy of the third filtering device may be 0.22mm, the filtering accuracy of the fourth filtering device may be 0.20mm, the third preset value may be 0.02mm, and the filtering accuracy of the fifth filtering device may be 0.18 mm.
Further, a first rinsing liquid heating device and a first rinsing liquid temperature monitoring device are disposed in the first rinsing liquid tank 120, and a second rinsing liquid heating device and a second rinsing liquid temperature monitoring device are disposed in the second rinsing liquid tank 130. The first rinsing liquid heating device may be an electric heating wire disposed on the wall of the first rinsing liquid tank 120, an electric heating wire disposed in an interlayer of the wall of the first rinsing liquid tank 120, or an electric heating patch disposed on the outer wall of the first rinsing liquid tank 120. The first rinsing liquid temperature monitoring device is a liquid temperature monitoring sensor (also called a liquid temperature detection sensor or a liquid temperature sensor). The second rinsing liquid heating device may be an electric heating wire disposed on the wall of the second rinsing liquid tank 130, an electric heating wire disposed in an interlayer of the wall of the second rinsing liquid tank 130, or an electric heating patch disposed on the outer wall of the second rinsing liquid tank 130. The second rinsing liquid temperature monitoring device is a liquid temperature monitoring sensor (also called a liquid temperature detection sensor or a liquid temperature sensor).
Wherein the first filtering device, the second filtering device, the third filtering device, the fourth filtering device and the fifth filtering device are all filtering devices based on filtering membranes, and the filtering precision is related to the filtering pore size of the filtering membranes.
The power of above-mentioned precleaning water pump and the power of main washing water pump are 7.5KW, at the adjustable output that corresponds of precleaning water pump and main washing water pump operation process, the power of rinsing water pump 411 in advance the power of first main rinsing water pump 421 and the power of rinsing water pump 431 is 5.5KW is in advance rinsing water pump 411 first main rinsing water pump 421 and the adjustable output that corresponds of rinsing water pump 431 operation process is owner to the second. Above-mentioned washing liquid heating device's total power satisfies 27KW, and heating output is adjustable, and above-mentioned first rinsing liquid heating device can generally satisfy 36KW, and heating output is adjustable, and above-mentioned second rinsing liquid heating device can generally satisfy 36KW, and heating output is adjustable.
Further, the first rinsing liquid tank 120 and the second rinsing liquid tank 130 are used for containing deionized water, a first resistivity monitoring device is disposed in the first rinsing liquid tank 120, and a second resistivity monitoring device is disposed in the second rinsing liquid tank 130. The rinsing liquid is monitored through resistivity, and the cleanliness of the product is guaranteed.
Further, the chemical isolation chamber 30 comprises a cold isolation chamber and a hot isolation chamber, an inlet of the hot isolation chamber is connected with an outlet of the main cleaning chamber 22, an outlet of the hot isolation chamber is connected with an inlet of the cold isolation chamber, and an outlet of the cold isolation chamber is connected with an inlet of the pre-rinsing chamber 41. The thermal isolation chamber and the chemical cleaning chamber 20 share a cleaning solution tank, and the cold isolation chamber uses a waste solution collection tank alone.
The hot isolation room is the wind isolation room of cutting, the wind isolation room of cutting includes first high pressure positive blower, first high pressure positive blower's delivery outlet and first air knife pipeline are connected, and the high-pressure air that has the uniform temperature that first high pressure positive blower produced produces the air curtain (also called the air knife) through first air knife pipeline, blows off the washing liquid on the PCBA board, makes the washing liquid fall into the washing liquid case of below.
The cold isolation room sprays the isolation room for the deionized water, the deionized water sprays the isolation room and includes that 5.5KW keeps apart and uses water pump 31, 5.5KW keeps apart and sets up under the deionized water liquid level of second rinsing liquid case 130 with water pump 31's pump inlet, 5.5KW keeps apart and is connected with spray piping with pump outlet and isolation, keeps apart and uses spray piping including setting up two directly over the transfer face to and set up two in the positive text of transfer face. The 5.5KW is kept apart and is taken out deionized water with water pump 31 and spray PCBA board through keeping apart with the shower pipeline, further gets rid of the washing liquid on, makes washing liquid and deionized water fall into the waste liquid collecting box of below jointly. The pump inlet of the 5.5KW isolating water pump 31 is provided with a sixth filtering device, and the filtering accuracy of the sixth filtering device may be 0.18 mm.
The spray chamber 50 is correspondingly provided with a spray water pump, the spray chamber 50 is provided with a deionized water tank 140, and a pump inlet of the spray water pump is arranged below the deionized water level in the deionized water tank 140.
In one possible embodiment, the pump inlet of the spray water pump is provided with a seventh filter device, the filter fineness of which can be 0.16 mm. As shown in fig. 4, the deionized water tank 140 is disposed at a higher position than the second rinse solution tank 130, the second rinse solution tank 130 is positioned higher than the first rinse solution tank 120, the ion water tank is pipe-connected to the second rinse solution tank 130 through a first overflow pipe, the second rinse solution tank 130 is pipe-connected to the first rinse solution tank 120 through a second overflow pipe, when the amount of water and the pressure of water in the ionized water tank reach preset values, the ionized water in the ionized water tank flows into the second rinsing liquid tank 130 from the first overflow pipe, when the water volume and the water pressure of the second rinse solution tank 130 reach preset values, the ionized water in the second rinse solution tank 130 flows into the first rinse solution tank 120 through the second overflow pipe, so that the ions are used as the rinse solution in a multi-stage overflow manner, and the usage amount of deionized water is saved.
The wind cutting chamber 60 comprises a first wind cutting chamber 61 and a second wind cutting chamber 62, the first wind cutting chamber 61 comprises a second high-pressure fan, an output port of the second high-pressure fan is connected with a second wind knife pipeline, high-pressure air generated by the second high-pressure fan generates an air curtain (also called an air knife) through the second wind knife pipeline, and rinsing liquid (deionized water) on the PCBA plate is blown off. The second wind cutting chamber 62 includes a third high-pressure fan, an output port of the third high-pressure fan is connected to a third wind knife pipeline, and high-pressure air generated by the third high-pressure fan generates an air curtain through the third wind knife pipeline.
The hot air chamber 70 comprises an air heater, the heating power of the air heater is 15KW, hot air generated by the air heater circulates in the hot air chamber 70 to heat and convectively dry the PCBA, so that the PCBA is dried quickly and stably.
The invention can be used for cleaning assembly parts and semiconductor soldering flux residues in the electronic industry, and a water-based cleaning machine is used for spraying and cleaning, so that pollutants such as soldering flux residues, solder balls, soldering paste, dust, impurity oil stains and the like on the surface can be removed. The deionized water is used for rinsing, so that the product reaches 100% cleanliness, has no potential safety hazard, and is harmless to human bodies and the environment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A PCBA cleaning machine, comprising: the system comprises a plate inlet, a chemical cleaning chamber, a chemical isolation chamber, a rinsing chamber, a spraying chamber, a wind cutting chamber, a hot air chamber, a plate outlet, a wet-type mesh conveyor belt and a dry-type mesh conveyor belt;
the plate inlet is connected with an inlet of the chemical cleaning chamber, an outlet of the chemical cleaning chamber is connected with an inlet of the chemical isolation chamber, an outlet of the chemical isolation chamber is connected with an inlet of the rinsing chamber, and an outlet of the rinsing chamber is connected with an inlet of the spray chamber to form a horizontally through first conveying channel;
the outlet of the spray chamber is connected with the inlet of the air cutting chamber, the outlet of the air cutting chamber is connected with the inlet of the hot air chamber, and the outlet of the hot air chamber is connected with the plate outlet to form a second horizontally-through conveying channel;
the wet mesh conveyor belt and the dry mesh conveyor belt are arranged at a right angle in the horizontal direction, a first end of the wet mesh conveyor belt is positioned at the plate inlet, a second end of the wet mesh conveyor belt and the first end of the dry mesh conveyor belt are arranged at an interval, and a second end of the dry mesh conveyor belt is positioned at the plate outlet;
the wet mesh conveyor belt runs on the first conveying channel, and the dry mesh conveyor belt runs on the second conveying channel.
2. The PCBA cleaning machine as recited in claim 1, wherein the chemical cleaning chamber comprises a pre-cleaning chamber and a main cleaning chamber, the pre-cleaning chamber and the main cleaning chamber share a cleaning liquid tank, a pre-cleaning water pump is correspondingly arranged in the pre-cleaning chamber, pump outlets of the pre-cleaning water pump are connected with a first preset number of pre-cleaning spray pipes in the pre-cleaning chamber, a main cleaning water pump is correspondingly arranged in the main cleaning chamber, pump outlets of the main cleaning water pump are connected with a second preset number of main cleaning spray pipes in the main cleaning chamber, and the second preset number is larger than the first preset number.
3. The PCBA washer according to claim 2, wherein the pump inlet of the pre-wash water pump is provided with a first filter device, and the pump inlet of the main wash water pump is provided with a second filter device, the second filter device having a filter fineness higher than the filter fineness of the first filter device by a first predetermined value.
4. A PCBA washer according to claim 3, wherein a washer fluid heating means and a washer fluid temperature monitoring means are provided in the washer fluid tank.
5. The PCBA cleaning machine as recited in claim 4, wherein the rinsing chamber comprises a pre-rinsing chamber and a first main rinsing chamber and a second main rinsing chamber, the pre-rinsing chamber and the main rinsing chamber share a first rinsing liquid tank, the second main rinsing chamber uses a second rinsing liquid tank alone, a pre-rinsing water pump is correspondingly disposed in the pre-rinsing chamber, a pump outlet of the pre-rinsing water pump is connected with a third preset number of pre-rinsing spray pipes in the pre-rinsing chamber, a first main rinsing water pump is correspondingly disposed in the first main rinsing chamber, a pump outlet of the first main rinsing water pump is connected with a fourth preset number of first main rinsing spray pipes in the first main rinsing chamber, a second main rinsing water pump is correspondingly disposed in the second main rinsing chamber, a pump outlet of the second main rinsing water pump is connected with a fifth preset number of second main rinsing spray pipes in the second main rinsing chamber, the fourth preset number is larger than the third preset number, and the fifth preset number is larger than the second preset number and smaller than the fourth preset number.
6. The PCBA cleaning machine as recited in claim 5, wherein the pump inlet of the pre-rinse water pump is provided with a third filter device, the pump inlet of the first main rinse water pump is provided with a fourth filter device, the pump inlet of the second main rinse water pump is provided with a fifth filter device, the filter fineness of the fourth filter device is higher than the filter fineness of the third filter device by a second preset value, and the filter fineness of the fifth filter device is higher than the filter fineness of the fourth filter device by a third preset value.
7. The PCBA cleaning machine as recited in claim 6, wherein a first rinse liquid heating device and a first rinse liquid temperature monitoring device are disposed in the first rinse liquid tank, and a second rinse liquid heating device and a second rinse liquid temperature monitoring device are disposed in the second rinse liquid tank.
8. The PCBA cleaning machine as recited in claim 7 wherein the first and second rinse tanks are adapted to contain deionized water, the first rinse tank having a first resistivity monitoring device disposed therein, the second rinse tank having a second resistivity monitoring device disposed therein.
9. The PCBA washer as recited in claim 8, wherein the chemical isolation chamber includes a cold isolation chamber and a thermal isolation chamber, an inlet of the thermal isolation chamber being connected to the main wash chamber outlet, an outlet of the thermal isolation chamber being connected to the inlet of the cold isolation chamber, and an outlet of the cold isolation chamber being connected to the inlet of the pre-rinse chamber.
10. The PCBA cleaning machine of claim 9, wherein the thermally isolated chamber shares a cleaning fluid tank with the chemical cleaning chamber, and the cold isolated chamber uses a waste fluid collection tank alone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446881.XA CN112916495A (en) | 2021-04-25 | 2021-04-25 | PCBA cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110446881.XA CN112916495A (en) | 2021-04-25 | 2021-04-25 | PCBA cleaning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112916495A true CN112916495A (en) | 2021-06-08 |
Family
ID=76174701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110446881.XA Pending CN112916495A (en) | 2021-04-25 | 2021-04-25 | PCBA cleaning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112916495A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057768A (en) * | 1990-06-28 | 1992-01-15 | 王冠藩 | Foldable combing derice for convenient carrying in travelling |
| CN201399449Y (en) * | 2009-03-26 | 2010-02-10 | 重庆凌达实业有限公司 | Control device of the rotation speed of ultrasonic cleaner conveyor-belt electromotor |
| CN201751780U (en) * | 2010-06-01 | 2011-02-23 | 李武波 | Conveying belt type grain dryer |
| CN202700866U (en) * | 2012-07-26 | 2013-01-30 | 江阴迪林生物电子技术有限公司 | Chip cleaning and drying line |
| CN102989709A (en) * | 2012-12-28 | 2013-03-27 | 深圳市凯尔迪光电科技有限公司 | Printed circuit board assembly (PCBA) on-line cleaning machine |
| CN203061476U (en) * | 2012-12-28 | 2013-07-17 | 深圳市凯尔迪光电科技有限公司 | Printed circuit board assembly (PCBA) on-line washing machine |
| CN105499188A (en) * | 2016-01-06 | 2016-04-20 | 凤城市时代龙增压器制造有限公司 | Full-automatic ultrasonic integrated washing machine of shell part of double-layered type turbocharger |
| CN208312971U (en) * | 2018-06-01 | 2019-01-01 | 山东富祥动力股份有限公司 | A kind of high-pressure wash vacuum drying system |
| CN209077285U (en) * | 2018-10-31 | 2019-07-09 | 威克迈动力***部件（廊坊）有限公司 | Oil removing cleaning equipment is sprayed by formula |
| CN209318290U (en) * | 2018-12-25 | 2019-08-30 | 苏州新锐合金工具股份有限公司 | Hard alloy pole on-line cleaning device |
| CN111228039A (en) * | 2019-09-30 | 2020-06-05 | 绍兴联德机械设备有限公司 | Production line for washing belly pad |
-
2021
- 2021-04-25 CN CN202110446881.XA patent/CN112916495A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057768A (en) * | 1990-06-28 | 1992-01-15 | 王冠藩 | Foldable combing derice for convenient carrying in travelling |
| CN201399449Y (en) * | 2009-03-26 | 2010-02-10 | 重庆凌达实业有限公司 | Control device of the rotation speed of ultrasonic cleaner conveyor-belt electromotor |
| CN201751780U (en) * | 2010-06-01 | 2011-02-23 | 李武波 | Conveying belt type grain dryer |
| CN202700866U (en) * | 2012-07-26 | 2013-01-30 | 江阴迪林生物电子技术有限公司 | Chip cleaning and drying line |
| CN102989709A (en) * | 2012-12-28 | 2013-03-27 | 深圳市凯尔迪光电科技有限公司 | Printed circuit board assembly (PCBA) on-line cleaning machine |
| CN203061476U (en) * | 2012-12-28 | 2013-07-17 | 深圳市凯尔迪光电科技有限公司 | Printed circuit board assembly (PCBA) on-line washing machine |
| CN105499188A (en) * | 2016-01-06 | 2016-04-20 | 凤城市时代龙增压器制造有限公司 | Full-automatic ultrasonic integrated washing machine of shell part of double-layered type turbocharger |
| CN208312971U (en) * | 2018-06-01 | 2019-01-01 | 山东富祥动力股份有限公司 | A kind of high-pressure wash vacuum drying system |
| CN209077285U (en) * | 2018-10-31 | 2019-07-09 | 威克迈动力***部件（廊坊）有限公司 | Oil removing cleaning equipment is sprayed by formula |
| CN209318290U (en) * | 2018-12-25 | 2019-08-30 | 苏州新锐合金工具股份有限公司 | Hard alloy pole on-line cleaning device |
| CN111228039A (en) * | 2019-09-30 | 2020-06-05 | 绍兴联德机械设备有限公司 | Production line for washing belly pad |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100539932C (en) | Conveyor type dish cleaning machine and operation method thereof | |
| CN100563545C (en) | Conveyor type dish cleaning machine and operation method thereof | |
| CN103909079B (en) | Transit type cleaning machine and cleaning method thereof | |
| US4635666A (en) | Batch cleaning apparatus | |
| CN109261601A (en) | A kind of eight station-rotary types fixed point Spray-cleaning Machine | |
| CN1972623A (en) | Conveyor-type dishwasher and method for operating it | |
| CN105220235B (en) | A kind of single polycrystalline etching method | |
| JP2009279496A (en) | Oil mist remover and machining system equipped with the same | |
| CN112916495A (en) | PCBA cleaning machine | |
| CN109047152B (en) | A through-type ultrasonic cleaning line for rinsing valve body case | |
| CN207413879U (en) | A kind of stainless steel electric kettle body automatic Cleaning Line | |
| CN203695538U (en) | Pass-type cleaning machine | |
| CN1972620A (en) | Conveyor-type dishwasher and method for operating it | |
| CN107571624A (en) | Web plate automatic spray cleaning machine | |
| CN217491853U (en) | Compressor body and part through type cleaning machine | |
| KR101824628B1 (en) | Surface cleaning apparatus | |
| CN215613553U (en) | Full automatic spray belt cleaning device of ring formula chain | |
| CN212856910U (en) | Bubbling ultrasonic cleaning machine | |
| CN205326098U (en) | PVC gloves production line that feature of environmental protection is good | |
| CN112222069A (en) | Condensation recovery unit and online PCBA cleaning machine of PCBA cleaning machine | |
| CN214052825U (en) | Full-automatic through type twelve-groove high-pressure water cleaning machine | |
| CN202700656U (en) | Cleaning-free electrostatic lampblack purification equipment | |
| CN213944078U (en) | Condensation recovery unit and online PCBA cleaning machine of PCBA cleaning machine | |
| WO2020222163A1 (en) | Multistation apparatus for cleaning inner and outside surfaces of cylinder halves | |
| CN220970141U (en) | Modularized automatic cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |