CN111632905A - Single pendulum type cleaning process for PCB - Google Patents
Single pendulum type cleaning process for PCB Download PDFInfo
- Publication number
- CN111632905A CN111632905A CN202010511759.1A CN202010511759A CN111632905A CN 111632905 A CN111632905 A CN 111632905A CN 202010511759 A CN202010511759 A CN 202010511759A CN 111632905 A CN111632905 A CN 111632905A
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- circuit board
- driving mechanism
- cleaning
- clamping
- screw rod
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- 238000004140 cleaning Methods 0.000 title claims abstract description 151
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000007921 spray Substances 0.000 claims abstract description 54
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
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- B08B1/20—
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- B08B1/12—
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- 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
Abstract
The invention provides a single pendulum type cleaning process of a PCB circuit board, which comprises the following steps: firstly, a circuit board is placed between two clamping plates, and a clamping driving mechanism is started to operate and drives the two clamping plates to move close to each other until the clamping plates clamp and clamp the circuit board; then, the lifting driving mechanism starts to move and drives the two cleaning brushes to move close to each other until the cleaning brush positioned above contacts with the upper end face of the circuit board and the cleaning brush positioned below contacts with the lower end face of the circuit board; then, the water pump supplies water to the cleaning brush, the cleaning brush sprays the upper end face/lower end face of the circuit board contacted with the cleaning brush, and the sprayed water falls into the water tank for recycling; meanwhile, the simple pendulum driving mechanism drives the cleaning brush to cling to the circuit board to perform reciprocating swinging and rough cleaning along the front-back direction, the cleaning brush clings to the circuit board to perform reciprocating swinging and is matched with the transverse driving mechanism to drive the circuit board to perform left-right translation movement, and the cleaning brush is enabled to perform comprehensive cleaning treatment on the circuit board.
Description
Technical Field
The invention relates to the technical field of circuit board recovery, in particular to a single pendulum type cleaning process for a PCB.
Background
After the PCB completes the soldering or printing process, the surface of the PCB needs to be cleaned, for example: cleaning impurities such as dust, oil stain, adhesive and the like on the surface of the PCB circuit; at present, the traditional mode adopts manual operation, the efficiency is low, the cleaning is not thorough, and the quality of the PCB is influenced; along with the rapid development of the PCB industry, the requirement on the PCB cleaning machine is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a single-pendulum type full-automatic circuit board cleaning method which is ingenious in structure, simple in principle, high in automation degree and high in cleaning efficiency, and aims to overcome the technical defects that in the prior art, the labor intensity is high, the cleaning efficiency is low, time and labor are wasted, and pins of electronic components are prone to pricking operators.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The single pendulum type cleaning process of the PCB circuit board comprises the following steps:
a clamping stage;
s1: an operator places the circuit board between the clamping plates in the clamping device and aligns the circuit board with the clamping grooves, and the clamping driving mechanism starts to operate and drives the two clamping plates to move close to each other until the clamping plates firmly clamp and clamp the circuit board;
the right end face of the water tank is fixedly provided with an installation frame, the clamping device is fixedly arranged at the bottom of the water tank and extends to the position right above the notch of the water tank, and the cleaning device is fixedly arranged on the installation frame and extends to the position right above the notch of the water tank;
the clamping device comprises clamping plates for clamping the circuit board, a transverse driving mechanism and a clamping driving mechanism, the clamping plates are in a plate strip shape, the length direction of the clamping plates is arranged along the left-right direction, the two clamping plates are arranged along the front-back direction, the clamping plates are arranged at intervals, one end face of each clamping plate, which is close to the other, is provided with a V-shaped clamping groove, the clamping driving mechanism is used for driving the clamping plates to move close to each other and clamping the circuit board placed between the two clamping plates, and the transverse driving mechanism is used for driving the clamping driving mechanism, the clamping plates and the clamped circuit board to integrally translate along the left-;
(II) a cleaning stage;
s2: a lifting driving mechanism in the cleaning device starts to move and drives the two cleaning brushes to move close to each other until the cleaning brush positioned above contacts with the upper end face of the circuit board and the cleaning brush positioned below contacts with the lower end face of the circuit board;
the cleaning device comprises two cleaning brushes, a lifting driving mechanism and a simple pendulum driving mechanism which are arranged up and down, wherein the cleaning brushes are positioned above the upper end surface of the circuit board in an initial state of the cleaning brushes positioned above the cleaning device, the cleaning brushes are positioned below the lower end surface of the circuit board in an initial state of the cleaning brushes positioned below the cleaning device, the lifting driving mechanism is used for driving the cleaning brushes to move close to each other and make the cleaning brushes contact with the circuit board, and the simple pendulum driving mechanism is used for driving the cleaning brushes to swing back and forth;
the clear brush comprises a disc-shaped spray head, the spray head is vertically arranged in the axial direction, a plurality of spray holes communicated with the inner cavity of the spray head are formed in one end face, close to the circuit board, of the spray head, a plurality of needle-shaped bristles are fixedly embedded in the end face, staggered with the spray holes, of the spray head, a brush handle is coaxially and fixedly arranged on one end face, away from the circuit board, of the spray head, the brush handle is hollow and communicated with the inner cavity of the spray head, a miniature vibrator is fixedly arranged on one end face, away from the spray head, of the brush handle, and a swing arm extending horizontally;
the lifting driving mechanism comprises a cylindrical hollow casing which is movably arranged right above the right side surface of the water tank, the axial direction of the casing is vertically arranged and can rotate back and forth around the axis of the casing under the driving of the simple pendulum driving mechanism, vertically arranged movable frames are fixedly arranged on the upper end surface and the lower end surface of the casing, vertical screw rods which are vertically arranged in the axial direction are movably arranged on the movable frames, the end parts of the vertical screw rods are in rotating connection and matching with the movable frames, the vertical screw rods are coaxially arranged with the casing, the right end of a swing arm is matched with the movable frames, the swing arm and the movable frames form sliding guide matching along the vertical direction, the right end of a thin wall is also sleeved on the vertical screw rods and forms threaded connection and matching with the vertical screw rods, the driving end of the vertical screw rods movably extends into the casing, a lifting motor is fixedly arranged in the casing, the axial direction of an output shaft of, a bevel gear transmission component for connecting the output shaft of the lifting motor and the vertical screw rod driving end is arranged between the output shaft of the lifting motor and the vertical screw rod driving end, the bevel gear transmission component comprises a driving bevel gear which is coaxially and fixedly sleeved on the output shaft of the lifting motor and a driven bevel gear which is coaxially and fixedly sleeved on the vertical screw rod driving end, and the driving bevel gear is meshed with the driven bevel gear;
in the working process of the lifting driving mechanism, after the circuit board is clamped and clamped, the lifting motor is started, the bevel gear transmission assembly transmits power on an output shaft of the lifting motor to the vertical screw rod and drives the vertical screw rod to rotate, the vertical screw rod drives the swing arm to slide in the vertical direction along the movable frame and approach the circuit board, and the swing arm drives the cleaning brush to synchronously approach the circuit board to move until the bristles are abutted against the circuit board;
s3: the water pump supplies water to the cleaning brush, the cleaning brush sprays the upper end face/lower end face of the circuit board contacted with the cleaning brush, and the sprayed water falls into the water tank for recycling;
the cleaning device also comprises a water pump fixedly arranged on the cleaning device, the input end of the water pump is communicated with an input pipe, the input end of the input pipe is communicated with the water tank, the output end of the water pump is communicated with an output pipe provided with a tee joint, the output pipe comprises an input end and two output ends, the interior of the swing arm is hollow, the swing arm is communicated with the interior of the brush handle, the two output ends of the output pipe are in one-to-one correspondence with the right ends of the two swing arms, and the output ends of the output pipe are communicated with the;
in the working process of the water pump, the water pump is started, the water pump pumps water out of the water tank, the water enters the spray head through the input pipe, the output pipe, the swing arm and the brush handle in sequence, and then the water is sprayed out of the spray holes to the upper end face and the lower end face of the circuit board;
s4: and 3, in the step, the simple pendulum driving mechanism drives the cleaning brush to cling to the circuit board to perform reciprocating swinging and abuse along the front and back directions, the cleaning brush clings to the circuit board to perform reciprocating swinging and cooperates with the transverse driving mechanism to drive the circuit board to perform left and right translation movement, and the cleaning brush is enabled to perform comprehensive cleaning treatment on the circuit board.
As a further optimization or improvement of the present solution.
The transverse driving mechanism comprises a first guide frame fixedly arranged at the bottom of the water tank, the first guide frame is horizontally arranged along the left-right direction, a first sliding block matched with the first guide frame is movably arranged on the first guide frame, the first sliding block and the first guide frame form sliding guide fit along the left-right direction, a first screw rod is further arranged on the first guide frame, the first screw rod is axially arranged along the left-right direction, the end part of the first screw rod is rotatably connected and matched with the first guide frame, the sliding block is sleeved on the first screw rod and forms threaded connection and matching with the first screw rod, the driving end of the first screw rod movably penetrates out of the water tank, the first screw rod and the water tank form sealed rotary connection and matching, a first motor is fixedly arranged outside the water tank, the output shaft of the first motor is coaxially and fixedly connected with the driving end of the first screw rod, and an inclined frame which is obliquely arranged, the top of the inclined frame extends to the upper part of the notch of the water tank, and the clamping driving mechanism is fixedly arranged at the top of the inclined frame.
As a further optimization or improvement of the present solution.
The clamping driving mechanism comprises a guide frame II which is fixedly arranged on the top of the inclined frame, the guide frame II is horizontally arranged along the front-back direction, a slide block II is movably arranged on the right side surface of the guide frame II, which is close to the cleaning device, the slide block II and the guide frame II form sliding guide fit along the front-back direction, the slide block II is arranged in front of and behind and corresponds to the clamping plates one by one, the left end of each clamping plate is fixedly connected with the corresponding slide block II, a screw rod II is also movably arranged on the guide frame II, the axial direction of the screw rod II is arranged along the front-back direction, the end part of the screw rod II is rotationally connected and matched with the guide frame II, the screw rod II is a bidirectional screw rod and consists of a left-handed thread section and a right-handed thread section which are equal in length, one slide block is sleeved on the left-handed thread section of the screw rod II, one end of the guide frame is fixedly provided with a second motor, and an output shaft of the second motor is coaxially and fixedly connected with a driving end of the second screw rod.
As a further optimization or improvement of the present solution.
The simple pendulum driving mechanism comprises a retainer fixedly arranged on a mounting frame, a casing and the retainer are in rotating connection and matching, the retainer is rotatably provided with a rotating shaft which is vertically arranged in the axial direction, the rotating shaft is positioned on the right side of the casing, the rotating shaft is coaxially fixedly sleeved with a half gear, the casing is coaxially fixedly sleeved with a gear ring, the half gear is always meshed with the gear ring, the half gear is provided with a flat groove which is radially arranged along the half gear, the flat groove penetrates up and down and is positioned at the middle position of the half gear, the retainer is further rotatably provided with a crankshaft which is vertically arranged in the axial direction, the crankshaft is positioned between the casing and the rotating shaft, a crank part of the crankshaft is matched with the flat groove, the retainer is further fixedly provided with a simple pendulum motor, an output shaft of the simple pendulum motor is vertically arranged, and a belt transmission assembly for connecting the output, the belt transmission assembly can transmit power on the output shaft of the single pendulum motor to the crankshaft and drive the crankshaft to rotate.
Compared with the prior art, the cleaning device has the advantages of ingenious structure, simple principle and convenience in operation and use, the two cleaning brushes are enabled to move close to each other and contact with the circuit board through the lifting driving mechanism, the single pendulum driving mechanism enables the cleaning brushes to swing back and forth to perform the cleaning treatment on the circuit board, the transverse driving mechanism enables the circuit board to translate left and right in the horizontal plane, the comprehensive cleaning treatment on the circuit board is realized, the degree of mechanization is high, the cleaning efficiency of the circuit board is greatly improved, and the cleaning device is time-saving and labor-saving.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of the water tank.
FIG. 4 is a view showing the combination of the water tank and the holding means.
Fig. 5 is a schematic structural view of the clamping device.
Fig. 6 is a matching view of the clamping plate and the circuit board.
Fig. 7 is a schematic structural view of the lateral driving mechanism.
Fig. 8 is a schematic structural view of the lateral driving mechanism.
Fig. 9 is a schematic structural view of the clamp driving mechanism.
Fig. 10 is a schematic structural view of the clamp driving mechanism.
FIG. 11 is a view showing the cleaning apparatus in cooperation with a water tank.
Fig. 12 is a schematic structural view of the cleaning apparatus.
Fig. 13 is a diagram showing a combination of the brush and the water pump.
Fig. 14 is a schematic view showing the structure of the washing brush.
Fig. 15 is a partial configuration diagram of the washing brush.
Fig. 16 is a diagram showing a combination of the brush and the water pump.
FIG. 17 is a connection diagram of the swing arm, the cleaning brush and the three-way pipe.
Fig. 18 is a diagram showing the combination of the lifting drive mechanism, the simple pendulum drive mechanism, and the brush.
Fig. 19 is a diagram showing the combination of the lifting drive mechanism and the brush.
Fig. 20 is a diagram showing the combination of the lifting drive mechanism and the brush.
Fig. 21 is a partial structural view of the elevation driving mechanism.
Fig. 22 is a diagram showing the combination of the pendulum driving mechanism and the elevation driving mechanism.
Fig. 23 is a partial configuration diagram of the simple pendulum driving mechanism.
Fig. 24 is a partial configuration diagram of the simple pendulum driving mechanism.
Fig. 25 is a schematic structural view of a crankshaft.
Labeled as:
100. a water tank; 110. a mounting frame;
200. a clamping device; 210. a splint; 211. a card slot; 220. a lateral drive mechanism; 221. a first guide frame; 222. a first sliding block; 223. a first screw rod; 224. a first motor; 225. an inclined frame; 230. a clamping drive mechanism; 231. a second guide frame; 232. a second sliding block; 233. a second screw rod; 234. a second motor;
300. a cleaning device; 310. cleaning brushes; 311. a spray head; 312. a brush handle; 313. brushing; 314. a vibrator; 315. swinging arms; 316. a water pump; 317. an input tube; 318. an output pipe; 320. a lifting drive mechanism; 321. a housing; 322. a movable frame; 323. a vertical screw rod; 324. a lifting motor; 325. a bevel gear drive assembly; 330. a simple pendulum driving mechanism; 331. a holder; 332. a rotating shaft; 333. a half gear; 334. a ring gear; 335. a flat groove; 336. a crankshaft; 337. a simple pendulum motor; 338. a belt drive assembly.
Detailed Description
The single pendulum type cleaning process of the PCB circuit board comprises the following steps:
a clamping stage;
s1: an operator places the circuit board between the clamping plates 210 in the clamping device 200 and aligns with the clamping grooves 211, and the clamping driving mechanism 230 starts to operate and drives the two clamping plates 210 to move close to each other until the clamping plates 210 firmly clamp and clamp the circuit board;
an installation frame 110 is fixedly arranged on the right end face of the water tank 110, the clamping device 200 is fixedly arranged at the bottom of the water tank 100 and extends to the position right above the notch of the water tank 100, and the cleaning device 300 is fixedly arranged on the installation frame 110 and extends to the position right above the notch of the water tank 100;
the clamping device 200 comprises clamping plates 210 for clamping the circuit board, a transverse driving mechanism 220 and a clamping driving mechanism 230, wherein the clamping plates 210 are in a shape of a strip, the length direction of the clamping plates is arranged along the left-right direction, the two clamping plates 210 are arranged along the front-back direction, the clamping plates 210 are arranged at intervals, one end faces, close to each other, of the clamping plates 210 are provided with V-shaped clamping grooves 211, the clamping driving mechanism 230 is used for driving the clamping plates 210 to move close to each other and clamping the circuit board placed between the two clamping plates 210, and the transverse driving mechanism 220 is used for driving the clamping driving mechanism 230, the clamping plates 210 and the clamped circuit board to integrally translate along the left-right;
(II) a cleaning stage;
s2: the lifting drive mechanism 320 in the cleaning apparatus 300 starts the movement and drives the two cleaning brushes 310 to move close to each other until the cleaning brush 310 located above contacts with the upper end surface of the circuit board and the cleaning brush 310 located below contacts with the lower end surface of the circuit board;
the cleaning device 300 includes two cleaning brushes 310 arranged up and down, a lifting driving mechanism 320 and a simple pendulum driving mechanism 330, the cleaning brush 310 located above is located above the upper end surface of the circuit board in an initial state, the cleaning brush 310 located below is located below the lower end surface of the circuit board in an initial state, the lifting driving mechanism 320 is used for driving the cleaning brushes 310 to move close to each other and make the cleaning brushes contact with the circuit board, and the simple pendulum driving mechanism 330 is used for driving the cleaning brushes 310 to swing back and forth in a front-back direction;
the clear brush 310 comprises a disc-shaped spray head 311, the spray head 311 is axially and vertically arranged, a plurality of spray holes communicated with the inner cavity of the spray head 311 are formed in one end face, close to the circuit board, of the spray head 311, a plurality of needle-shaped brush bristles 313 are fixedly embedded in the end face, the needle-shaped brush bristles 313 are arranged in a staggered mode, a brush handle 312 is coaxially and fixedly arranged on one end face, away from the circuit board, of the spray head 311, the brush handle 312 is arranged in a hollow mode and communicated with the inner cavity of the spray head 311, a miniature vibrator 314 is fixedly installed on one end face, away from the spray head 311, of the brush handle 312, and a;
the lifting driving mechanism 320 comprises a cylindrical hollow casing 321 which is movably arranged right above the right side surface of the water tank 100, the casing 321 is axially vertically arranged and can rotate back and forth around the axis of the casing under the driving of the simple pendulum driving mechanism 330, a vertically arranged movable frame 322 is fixedly arranged on the upper end surface and the lower end surface of the casing 321, an axially vertically arranged vertical screw rod 323 is movably arranged on the movable frame 322, the end part of the vertical screw rod 323 is in rotating connection and matching with the movable frame 322, the vertical screw rod 323 is coaxially arranged with the casing 321, the right end of the swing arm 315 is matched with the movable frame 322 and forms sliding guide matching along the vertical direction, the right end of the thin wall 315 is also sleeved on the vertical screw rod 323 and forms threaded connection and matching with the vertical screw rod 323, the driving end of the vertical screw rod 323 movably extends into the casing 321, a lifting motor 324 is fixedly arranged in the casing 321, and the axial direction of the output shaft of, the two lifting motors 324 are mutually independently arranged and correspond to the vertical screw rods 323 one by one, bevel gear transmission components 325 for connecting the two are arranged between the output shaft of the lifting motor 324 and the driving end of the vertical screw rod 323, each bevel gear transmission component 325 comprises a driving bevel gear coaxially and fixedly sleeved on the output shaft of the lifting motor 324 and a driven bevel gear coaxially and fixedly sleeved on the driving end of the vertical screw rod 323, and the driving bevel gears are meshed with the driven bevel gears;
in the working process of the lifting driving mechanism 320, after the circuit board is clamped and clamped, the lifting motor 324 is started, the bevel gear transmission assembly 325 transmits the power on the output shaft of the lifting motor 324 to the vertical screw rod 323 and drives the vertical screw rod 323 to rotate, the vertical screw rod 323 drives the swing arm 315 to slide in the vertical direction along the movable frame 322 and approach the circuit board, and the swing arm 315 drives the cleaning brush 310 to synchronously approach the circuit board to move until the bristles 313 abut against the circuit board;
s3: the water pump 316 supplies water to the washing brush 310 and the washing brush 310 sprays the upper end surface/lower end surface of the circuit board in contact therewith, and the sprayed water falls into the water tank 100 for recycling;
the cleaning device 300 further comprises a water pump 316 fixedly mounted on the water tank 110, an input end of the water pump 316 is communicated with an input pipe 317, the input end of the input pipe 317 is communicated with the water tank 100, an output end of the water pump 316 is communicated with an output pipe 318 provided with a tee joint, the output pipe 318 comprises an input end and two output ends, the swing arm 315 is arranged in a hollow manner, the swing arm 315 is communicated with the interior of the brush handle 312, the two output ends of the output pipe 318 are in one-to-one correspondence with the right ends of the two swing arms 315, and the output end of the output pipe 318 is communicated with the;
in the working process of the water pump 316, the water pump 316 is started, the water pump 316 pumps out water in the water tank 100, the water enters the spray head 311 through the input pipe 317, the output pipe 318, the swing arm 315 and the brush handle 312 in sequence, and then the water is sprayed out of the upper end face and the lower end face of the circuit board through the spray holes;
s4: in step 3, the simple pendulum driving mechanism 330 drives the cleaning brush 310 to closely attach to the circuit board to perform reciprocating swinging and sweeping along the front-back direction, the cleaning brush 310 closely attaches to the circuit board to perform reciprocating swinging back and forth, and the transverse driving mechanism 220 drives the circuit board to perform left-right translational movement in a matching manner, so that the cleaning brush 310 performs comprehensive cleaning treatment on the circuit board.
Referring to fig. 1-25, a full-automatic circuit board cleaning machine of two-sided simple pendulum, it includes square opening ascending basin 100, a clamping device 200 for fixing the circuit board, a belt cleaning device 300 for washing the circuit board, an installation frame 110 is fixedly arranged on the right-hand end face of basin 110, clamping device 200 is fixedly arranged on the tank bottom of basin 100 and extends to directly over the notch of basin 100, belt cleaning device 300 is fixedly arranged on installation frame 110 and extends to directly over the notch of basin 100, belt cleaning device 300 and clamping device 200 cooperate each other to accomplish the two-sided cleaning treatment of basin 100 directly over the notch thereof.
Specifically, clamping device 200 including being used for carrying out the splint 210 that the centre gripping was tight to the circuit board, horizontal actuating mechanism 220 and centre gripping actuating mechanism 230, splint 210 is that lath and length direction arrange along left right direction, splint 210 is provided with two and arranges along fore-and-aft direction, splint 210 interval sets up and splint 210 is close to one end face each other and has seted up V type draw-in groove 211, centre gripping actuating mechanism 230 is used for driving splint 210 and is close to the motion each other and carry out the centre gripping to the circuit board of placing between two splint 210 and press from both sides tightly, horizontal actuating mechanism 220 is used for driving centre gripping actuating mechanism 230, splint 210 and by the centre gripping tight circuit board of centre gripping whole along left right direction translation.
Specifically, the cleaning device 300 includes two cleaning brushes 310 arranged up and down, a lifting driving mechanism 320 and a simple pendulum driving mechanism 330, the cleaning brush 310 located above is located above the upper end surface of the circuit board in the initial state, the cleaning brush 310 located below is located below the lower end surface of the circuit board in the initial state, the lifting driving mechanism 320 is used for driving the cleaning brush 310 to move close to each other and make the cleaning brush contact with the circuit board, the simple pendulum driving mechanism 330 is used for driving the cleaning brush 310 to swing back and forth along the front and back direction, and the front and back reciprocating swing of the cleaning brush 310 attached to the circuit board is matched with the left and right translation motion of the transverse driving mechanism 220 for driving the circuit board, so that the cleaning brush 310.
In the process of cleaning the circuit board, specifically, the operator places the circuit board between the two clamping plates 210 and aligns the circuit board with the clamping groove 211, the clamping driving mechanism 230 starts to operate and drives the two clamping plates 210 to move close to each other until the clamping plates 210 firmly clamp and clamp the circuit board, then, the lifting driving mechanism 320 starts to move and drives the two cleaning brushes 310 to move close to each other until the cleaning brush 310 positioned above contacts with the upper end surface of the circuit board and the cleaning brush 310 positioned below contacts with the lower end surface of the circuit board, at this time, the cleaning brush 310 sucks clean water in the water tank 100 and sprays the clean water toward the upper end surface/lower end surface of the circuit board, the sprayed water falls into the water tank 100 for recycling, and at the same time, the simple pendulum driving mechanism 330 drives the cleaning brush 310 to swing and sweep the circuit board back and forth in a back direction, the cleaning brush 310 is attached to the circuit board to swing back and forth and is matched with the transverse driving mechanism 220 to drive the circuit board to move left and right in a translation manner, so that the cleaning brush 310 can clean the circuit board comprehensively.
In order to drive the circuit board to perform left-right translation movement in a horizontal plane, the transverse driving mechanism 220 comprises a first guide frame 221 fixedly mounted at the bottom of the water tank 100, the first guide frame 221 is horizontally arranged along the left-right direction, a first slider 222 matched with the first guide frame 221 is movably arranged on the first guide frame 221, the first slider 222 and the first guide frame 221 form sliding guiding fit along the left-right direction, a first lead screw 223 is further arranged on the first guide frame 221, the axial direction of the first lead screw 223 is arranged along the left-right direction, the end part of the first lead screw 223 is rotatably connected and matched with the first guide frame 221, the first slider 222 is sleeved on the first lead screw 223 and forms threaded connection and match with the first lead screw, the driving end of the first lead screw 223 movably penetrates out of the water tank 100, the first lead screw 223 forms sealed rotating connection and match with the water tank 100, a first motor 224 is fixedly mounted outside the water tank 100, and the output, the upper end face of the first sliding block 222 is fixedly provided with an inclined rack 225 which is obliquely arranged at an angle of 45 degrees towards the upper left, the top of the inclined rack 225 extends to the upper part of the notch of the water tank 100, the clamping driving mechanism 230 is fixedly arranged at the top of the inclined rack 225, and the first sliding block 222 is driven to slide along the left-right direction, so that the clamping driving mechanism 230 and the clamping plate 210 move along the left-right direction, and the clamped circuit board moves horizontally along the left-right direction.
Specifically, the clamping driving mechanism 230 includes a second guide frame 231 fixedly installed on the top of the inclined frame 225, the second guide frame 231 is horizontally arranged along the front-back direction, a second slider 232 is movably arranged on the right side surface of the second guide frame 231 close to the cleaning device 300, the second slider 232 and the second guide frame 231 form a sliding guide fit along the front-back direction, the two sliders 232 are arranged in the front-back direction and are in one-to-one correspondence with the clamping plate 210, the left end of the clamping plate 210 is fixedly connected with the corresponding second slider 231, in order to drive the two sliders 232 to slide close to each other, the second guide frame 231 is also movably provided with a second lead screw 233, the two lead screws 233 are axially arranged along the front-back direction, the end parts of the two lead screws 233 are rotatably connected and matched with the second guide frame 231, the two lead screws 233 are bidirectional lead screws and are composed of equilong left-handed thread sections and right-handed thread sections, one slider 232 is sleeved on the left-handed, The other second sliding block 232 is sleeved on the right-handed thread section of the second screw rod 233 and is in threaded connection and matching with the right-handed thread section of the second screw rod 233, a second motor 234 is fixedly installed at one end of the guide frame 231, an output shaft of the second motor 234 is coaxially and fixedly connected with a driving end of the second screw rod 233, and the second sliding blocks 232 are enabled to mutually approach and slide by driving the second screw rod 233 to rotate, so that the two clamping plates 210 are driven to mutually approach and move, and clamping of the circuit board are achieved.
In the working process of the clamping driving mechanism 230, when a circuit board placed between the two clamping plates 210 needs to be clamped and fastened, the second motor 234 is started, the second motor 234 drives the second screw rod 233 to rotate, the second screw rod 233 drives the second two sliding blocks 232 to mutually approach and slide, and the second sliding blocks 232 drive the two clamping plates 210 to synchronously mutually approach and move until the circuit board is clamped and clamped; after the circuit board is cleaned, when the circuit board between the two clamping plates 210 needs to be taken down, the second motor 234 is started to rotate reversely, the second motor 234 drives the second screw rod 233 to rotate reversely, the second screw rod 233 drives the second sliding blocks 232 to slide away from each other, the second sliding blocks 232 drive the two clamping plates 210 to synchronously move away from each other, and the clamping plates 210 loosen the clamping and clamping of the circuit board to take down the circuit board.
In the working process of the transverse driving mechanism 220, a first motor 224 is started, the first motor 224 drives a first screw rod 223 to rotate, the first screw rod 223 drives a first slider 222 to slide along the left-right direction, the first slider 222 drives a tilting frame 225 to synchronously move, the tilting frame 225 drives a clamping driving mechanism 230 and a clamping plate 210 to perform translational motion in the left-right direction, so that the circuit board also performs translational motion in the left-right direction, and the cleaning brush 310 is matched with the circuit board to swing back and forth in a manner of clinging to the circuit board, so that the cleaning brush 310 performs comprehensive cleaning treatment on the circuit board.
In order to brush the circuit board and spray the circuit board simultaneously, the clear brush 310 comprises a disk-shaped spray head 311 and the axial vertical arrangement of the spray head 311, the spray head 311 is close to one end face of the circuit board and is provided with a plurality of spray holes communicated with the inner cavity of the spray head 311, a plurality of needle-shaped bristles 313 are fixedly embedded on the end face, the bristles 313 and the spray holes are arranged in a staggered manner, the spray head 311 deviates from one end face of the circuit board and is coaxially and fixedly provided with a brush handle 312, the brush handle 312 is hollow and is communicated with the inner cavity of the spray head 311, the brush handle 312 deviates from one end face of the spray head 311 and is fixedly provided with a miniature vibrator 314, in order to facilitate the front-back swinging of the cleaning brush 310, the right side at the top of the brush handle 312 is fixedly provided.
Specifically, in order to supply water to the spray nozzle 311, the cleaning device 300 further includes a water pump 316 fixedly installed on the water tank 110, an input end of the water pump 316 is communicated with an input pipe 317, an input end of the input pipe 317 is connected and communicated with the water tank 100, an output end of the water pump 316 is communicated with an output pipe 318 provided with a tee joint, the output pipe 318 includes an input end and two output ends, the swing arm 315 is hollow and the swing arm 315 is connected and communicated with the interior of the brush holder 312, the two output ends of the output pipe 318 are in one-to-one correspondence with right ends of the two swing arms 315, and an output end of the output pipe 318 is connected and communicated with the interior of the swing arm 315, so that water in the water tank 100 is pumped out through the water pump 316 and enters the spray nozzle 311 through the output pipe.
In order to drive the cleaning brush 310 to move close to the circuit board, the lifting driving mechanism 320 includes a cylindrical hollow casing 321 movably disposed right above the right side of the water tank 100, the casing 321 is axially vertically disposed and can be driven by the simple pendulum driving mechanism 330 to rotate back and forth around its axis, vertically disposed movable frames 322 are fixedly mounted on the upper end face and the lower end face of the casing 321, an axially vertically disposed vertical screw rod 323 is movably disposed on the movable frames 322, the end portion of the vertical screw rod 323 is in rotating connection and matching with the movable frames 322, the vertical screw rod 323 is coaxially disposed with the casing 321, the right end of the swing arm 315 is matched with the movable frames 322 and forms sliding guide and matching along the vertical direction, the right end of the thin wall 315 is further sleeved on the vertical screw rod 323 and forms threaded connection and matching therewith, in order to drive the vertical screw rod 323 to rotate, the driving end of the vertical screw rod 323 movably extends into the casing 321, the case 321 is internally and fixedly provided with a lifting motor 324, the axial direction of an output shaft of the lifting motor 324 is perpendicular to the axial direction of the vertical screw 323, the lifting motor 324 is mutually and independently provided with two lifting motors and is in one-to-one correspondence with the vertical screw 323, a bevel gear transmission component 325 for connecting the output shaft of the lifting motor 324 and the driving end of the vertical screw 323 is arranged between the output shaft of the lifting motor 324 and the driving end of the vertical screw 323, the bevel gear transmission component 325 comprises a driving bevel gear coaxially and fixedly sleeved on the output shaft of the lifting motor 324 and a driven bevel gear coaxially and fixedly sleeved on the driving end of the vertical screw 323, the driving bevel gear is meshed with the driven bevel gear, the lifting motor 324 drives the vertical screw 323 to rotate, so that the swing arm 315 is close to the circuit board to move, and further the, it is possible to control the washing brush 310 located above to be moved downward to be in contact with the upper end surface of the circuit board and to perform the washing process only on the upper end surface of the circuit board, or the washing brush 310 located below to be moved upward to be in contact with the lower end surface of the circuit board and to perform the washing process only on the lower end surface of the circuit board.
In the working process of the cleaning brush 310, after the circuit board is clamped and clamped, the lifting motor 324 is started, the bevel gear transmission component 325 transmits the power on the output shaft of the lifting motor 324 to the vertical screw rod 323 and drives the vertical screw rod 323 to rotate, the vertical screw rod 323 drives the swing arm 315 to slide along the movable frame 322 in the vertical direction and approach the circuit board, the swing arm 315 drives the cleaning brush 310 to synchronously approach the circuit board to move until the bristles 313 abut against the circuit board, then the water pump 316 is started, the water pump 316 pumps out the water in the water tank 100 and sequentially passes through the input pipe 317, the output pipe 318, the swing arm 315 and the brush holder 312 to enter the spray nozzle 311, and then is sprayed out to the upper end face and the lower end face of the circuit board through the spray holes, finally, the simple pendulum driving mechanism 330 drives the machine shell 321 to perform small-angle reciprocating rotation around the axis thereof, the machine shell 321, the swinging arm 315 and the cleaning brush 310 are reciprocated back and forth in the axial direction of the casing 321, so that the cleaning brush 310 cleans the upper end surface/the lower end surface of the circuit board, the cleaning brush 310 is reciprocated back and forth in the axial direction of the casing 321 in cooperation with the horizontal translation movement of the lateral driving mechanism 220 for driving the circuit board, the contact position of the cleaning brush 310 with the circuit board is switched, and the cleaning brush 310 cleans the circuit board comprehensively.
In order to drive the machine shell 321 to perform small-angle reciprocating rotation around the axial direction of the machine shell, the simple pendulum driving mechanism 330 includes a holder 331 fixedly installed on the mounting frame 110, the machine shell 321 and the holder 331 form a rotating connection and matching, a rotating shaft 332 arranged vertically in the axial direction is rotatably installed on the holder 331 and is located on the right side of the machine shell 321, a half gear 333 is coaxially and fixedly sleeved on the rotating shaft 332, a gear ring 334 is coaxially and fixedly sleeved on the machine shell 321, the half gear 333 is always engaged with the gear ring 334, a flat slot 335 arranged along the radial direction is formed in the half gear 333, the flat slot 335 penetrates up and down and is located in the middle of the half gear 333, a crankshaft 336 arranged vertically in the axial direction is further rotatably installed on the holder 331 and is located between the machine shell 321 and the rotating shaft 332, a handle curve of the crankshaft 336 is matched with the flat slot 335, so as, the holder 331 is also fixedly provided with a simple pendulum motor 337, an output shaft of the simple pendulum motor 337 is vertically arranged, a belt transmission assembly 338 for connecting the output shaft of the simple pendulum motor 337 and a driving end of the crankshaft 336 is arranged between the output shaft of the simple pendulum motor 337 and the driving end of the crankshaft 336, the belt transmission assembly 338 can transmit power on the output shaft of the simple pendulum motor 337 to the crankshaft 336 and drive the crankshaft 336 to rotate, and by driving the crankshaft 336 to rotate, the half gear 333 is reciprocated around the rotating shaft 332, so that the casing 321 is reciprocated around the axial direction thereof at a small angle, and the cleaning brush 310 is further reciprocated around the axial direction of the casing 310.
During the operation of the simple pendulum driving mechanism 330, the simple pendulum motor 337 is started, the belt transmission assembly 337 transmits power from an output shaft of the simple pendulum motor 337 to the crankshaft 336 and drives the driving shaft 336 to rotate continuously around the axial direction thereof, the crankshaft 336 is matched with the flat slot 335, so that the half gear 333 swings back and forth around the rotating shaft 332, the half gear 333 drives the casing 321 to rotate back and forth around the axial direction thereof at a small angle, the casing 321 swings back and forth around the axial direction of the casing 321, and the washing brush 310 swings back and forth to clean the circuit board attached thereto.
Claims (4)
- The single pendulum type cleaning process of the PCB comprises the following steps:a clamping stage;s1: an operator places the circuit board between the clamping plates in the clamping device and aligns the circuit board with the clamping grooves, and the clamping driving mechanism starts to operate and drives the two clamping plates to move close to each other until the clamping plates firmly clamp and clamp the circuit board;the right end face of the water tank is fixedly provided with an installation frame, the clamping device is fixedly arranged at the bottom of the water tank and extends to the position right above the notch of the water tank, and the cleaning device is fixedly arranged on the installation frame and extends to the position right above the notch of the water tank;the clamping device comprises clamping plates for clamping the circuit board, a transverse driving mechanism and a clamping driving mechanism, the clamping plates are in a plate strip shape, the length direction of the clamping plates is arranged along the left-right direction, the two clamping plates are arranged along the front-back direction, the clamping plates are arranged at intervals, one end face of each clamping plate, which is close to the other, is provided with a V-shaped clamping groove, the clamping driving mechanism is used for driving the clamping plates to move close to each other and clamping the circuit board placed between the two clamping plates, and the transverse driving mechanism is used for driving the clamping driving mechanism, the clamping plates and the clamped circuit board to integrally translate along the left-;(II) a cleaning stage;s2: a lifting driving mechanism in the cleaning device starts to move and drives the two cleaning brushes to move close to each other until the cleaning brush positioned above contacts with the upper end face of the circuit board and the cleaning brush positioned below contacts with the lower end face of the circuit board;the cleaning device comprises two cleaning brushes, a lifting driving mechanism and a simple pendulum driving mechanism which are arranged up and down, wherein the cleaning brushes are positioned above the upper end surface of the circuit board in an initial state of the cleaning brushes positioned above the cleaning device, the cleaning brushes are positioned below the lower end surface of the circuit board in an initial state of the cleaning brushes positioned below the cleaning device, the lifting driving mechanism is used for driving the cleaning brushes to move close to each other and make the cleaning brushes contact with the circuit board, and the simple pendulum driving mechanism is used for driving the cleaning brushes to swing back and forth;the clear brush comprises a disc-shaped spray head, the spray head is vertically arranged in the axial direction, a plurality of spray holes communicated with the inner cavity of the spray head are formed in one end face, close to the circuit board, of the spray head, a plurality of needle-shaped bristles are fixedly embedded in the end face, staggered with the spray holes, of the spray head, a brush handle is coaxially and fixedly arranged on one end face, away from the circuit board, of the spray head, the brush handle is hollow and communicated with the inner cavity of the spray head, a miniature vibrator is fixedly arranged on one end face, away from the spray head, of the brush handle, and a swing arm extending horizontally;the lifting driving mechanism comprises a cylindrical hollow casing which is movably arranged right above the right side surface of the water tank, the axial direction of the casing is vertically arranged and can rotate back and forth around the axis of the casing under the driving of the simple pendulum driving mechanism, vertically arranged movable frames are fixedly arranged on the upper end surface and the lower end surface of the casing, vertical screw rods which are vertically arranged in the axial direction are movably arranged on the movable frames, the end parts of the vertical screw rods are in rotating connection and matching with the movable frames, the vertical screw rods are coaxially arranged with the casing, the right end of a swing arm is matched with the movable frames, the swing arm and the movable frames form sliding guide matching along the vertical direction, the right end of a thin wall is also sleeved on the vertical screw rods and forms threaded connection and matching with the vertical screw rods, the driving end of the vertical screw rods movably extends into the casing, a lifting motor is fixedly arranged in the casing, the axial direction of an output shaft of, a bevel gear transmission component for connecting the output shaft of the lifting motor and the vertical screw rod driving end is arranged between the output shaft of the lifting motor and the vertical screw rod driving end, the bevel gear transmission component comprises a driving bevel gear which is coaxially and fixedly sleeved on the output shaft of the lifting motor and a driven bevel gear which is coaxially and fixedly sleeved on the vertical screw rod driving end, and the driving bevel gear is meshed with the driven bevel gear;in the working process of the lifting driving mechanism, after the circuit board is clamped and clamped, the lifting motor is started, the bevel gear transmission assembly transmits power on an output shaft of the lifting motor to the vertical screw rod and drives the vertical screw rod to rotate, the vertical screw rod drives the swing arm to slide in the vertical direction along the movable frame and approach the circuit board, and the swing arm drives the cleaning brush to synchronously approach the circuit board to move until the bristles are abutted against the circuit board;s3: the water pump supplies water to the cleaning brush, the cleaning brush sprays the upper end face/lower end face of the circuit board contacted with the cleaning brush, and the sprayed water falls into the water tank for recycling;the cleaning device also comprises a water pump fixedly arranged on the cleaning device, the input end of the water pump is communicated with an input pipe, the input end of the input pipe is communicated with the water tank, the output end of the water pump is communicated with an output pipe provided with a tee joint, the output pipe comprises an input end and two output ends, the interior of the swing arm is hollow, the swing arm is communicated with the interior of the brush handle, the two output ends of the output pipe are in one-to-one correspondence with the right ends of the two swing arms, and the output ends of the output pipe are communicated with the;in the working process of the water pump, the water pump is started, the water pump pumps water out of the water tank, the water enters the spray head through the input pipe, the output pipe, the swing arm and the brush handle in sequence, and then the water is sprayed out of the spray holes to the upper end face and the lower end face of the circuit board;s4: and 3, in the step, the simple pendulum driving mechanism drives the cleaning brush to cling to the circuit board to perform reciprocating swinging and abuse along the front and back directions, the cleaning brush clings to the circuit board to perform reciprocating swinging and cooperates with the transverse driving mechanism to drive the circuit board to perform left and right translation movement, and the cleaning brush is enabled to perform comprehensive cleaning treatment on the circuit board.
- 2. The single pendulum type cleaning process for PCB circuit board as defined in claim 1, wherein said lateral driving mechanism comprises a first guiding frame fixedly installed at the bottom of the water tank and horizontally arranged along the left-right direction, a first sliding block adapted to the first guiding frame is movably installed on the first guiding frame, the first sliding block and the first guiding frame form a sliding guiding fit along the left-right direction, the first guiding frame is further provided with a first lead screw and the first lead screw is axially arranged along the left-right direction, the end of the first lead screw is rotatably connected and matched with the first guiding frame, the sliding block is sleeved on the first lead screw and forms a threaded connection and matching with the first lead screw, the driving end of the first lead screw is movably penetrated to the outside of the water tank and forms a sealed rotating connection and matching with the water tank, the first motor is fixedly installed on the outside of the water tank and the output shaft of the first motor is coaxially and fixedly connected with the driving end of the first lead screw, the upper end face of the, the top of the inclined frame extends to the upper part of the notch of the water tank, and the clamping driving mechanism is fixedly arranged at the top of the inclined frame.
- 3. The single pendulum type cleaning process for PCB circuit board as defined in claim 1 or 2, said clamping driving mechanism includes a second guiding frame fixedly installed on the top of the tilting frame and horizontally arranged along the front-back direction, a second sliding block movably installed on the right side of the guiding frame near the cleaning device and forming a sliding guiding fit with the second guiding frame along the front-back direction, two sliding blocks are installed on the front and back of the second guiding frame and arranged corresponding to the clamping plates one by one, the left end of the clamping plate is fixedly connected with the corresponding second sliding block, a second screw rod is movably installed on the second guiding frame, the axial direction of the second screw rod is arranged along the front-back direction and the end part of the second screw rod is rotatably connected and matched with the second guiding frame, the second screw rod is a bidirectional screw rod and is composed of a left-handed thread section and a right-handed thread section with equal length, wherein one sliding block is sleeved on the left-handed, The other sliding block is sleeved on the right-hand thread section of the second screw rod and forms threaded connection and matching with the right-hand thread section of the second screw rod, a second motor is fixedly installed at one end of the guide frame, and an output shaft of the second motor is coaxially and fixedly connected with a driving end of the second screw rod.
- 4. The single pendulum type cleaning process for PCB circuit board as defined in claim 3, wherein said single pendulum driving mechanism comprises a retainer fixedly mounted on the mounting frame, the housing and the retainer are rotatably coupled and engaged with each other, the retainer is rotatably provided with a rotating shaft vertically arranged in an axial direction and located at the right side of the housing, the rotating shaft is coaxially fixedly sleeved with a half gear, the housing is coaxially fixedly sleeved with a gear ring and the half gear is always engaged with the gear ring, the half gear is provided with a flat slot radially arranged thereon, the flat slot is vertically penetrated and located at the middle position of the half gear, the retainer is further rotatably provided with a crankshaft vertically arranged in an axial direction and located between the housing and the rotating shaft, the crank portion of the crankshaft is engaged with the flat slot, the retainer is further fixedly provided with a single pendulum motor and the output shaft of the single pendulum motor is vertically arranged, a belt transmission assembly for connecting the output shaft of the single pendulum motor and the driving end of the crankshaft is, the belt transmission assembly can transmit power on the output shaft of the single pendulum motor to the crankshaft and drive the crankshaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511759.1A CN111632905A (en) | 2020-06-08 | 2020-06-08 | Single pendulum type cleaning process for PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511759.1A CN111632905A (en) | 2020-06-08 | 2020-06-08 | Single pendulum type cleaning process for PCB |
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| Publication Number | Publication Date |
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| CN111632905A true CN111632905A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010511759.1A Withdrawn CN111632905A (en) | 2020-06-08 | 2020-06-08 | Single pendulum type cleaning process for PCB |
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| Country | Link |
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| CN (1) | CN111632905A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588645A (en) * | 2021-01-25 | 2021-04-02 | 彭勇 | New energy automobile production accessory recycling and cleaning equipment |
| CN112916461A (en) * | 2021-01-29 | 2021-06-08 | 南京医科大学附属口腔医院 | Fixed bracket cleaning equipment for preventing and treating orthodontic |
| CN114308856A (en) * | 2022-01-10 | 2022-04-12 | 安徽英发德盛科技有限公司 | Chemical cleaning equipment for double-sided battery production based on immersion type disturbance |
| CN117101924A (en) * | 2023-10-25 | 2023-11-24 | 江苏星瑞防务科技有限公司 | Surface boat panel spraying equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588645A (en) * | 2021-01-25 | 2021-04-02 | 彭勇 | New energy automobile production accessory recycling and cleaning equipment |
| CN112916461A (en) * | 2021-01-29 | 2021-06-08 | 南京医科大学附属口腔医院 | Fixed bracket cleaning equipment for preventing and treating orthodontic |
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| CN117101924B (en) * | 2023-10-25 | 2024-02-02 | 江苏星瑞防务科技有限公司 | Surface boat panel spraying equipment |
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Application publication date: 20200908 |