CN114370744B - Printed circuit board drying device - Google Patents
Printed circuit board drying device Download PDFInfo
- Publication number
- CN114370744B CN114370744B CN202210071584.6A CN202210071584A CN114370744B CN 114370744 B CN114370744 B CN 114370744B CN 202210071584 A CN202210071584 A CN 202210071584A CN 114370744 B CN114370744 B CN 114370744B
- Authority
- CN
- China
- Prior art keywords
- air guide
- air
- pipe
- roller
- push rod
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
Abstract
The invention discloses a printed circuit board drying device, which belongs to the field of printed circuit board processing and comprises a rack main body and a heating assembly, wherein the heating assembly is arranged above the rack main body, a left push rod and a right push rod are respectively arranged on the left side and the right side of the rack main body, the heating assembly comprises a heating box, an air guide shaft is fixedly inserted in the heating box, an air guide plate is movably sleeved on the outer side of the air guide shaft, a dewatering pipe is arranged below the air guide plate, an air conveying mechanism is arranged at the lower end part of the heating box and comprises an air guide pipe, an air guide cover is communicated with the upper end part of the air guide pipe, an air inlet pipe is communicated with the upper end part of the air guide cover, a support pocket is fixedly arranged at a communication port of the air guide pipe and the air guide cover, an air outlet pipe is communicated with the right end part of the air guide pipe, a support frame is arranged in the inner cavity of the air outlet pipe, hole grooves are uniformly formed in an annular shape, a suspension belt is movably inserted in the hole grooves, and a wiping ball is arranged at the lower end part of the suspension belt. The invention not only can improve the drying effect of the printed circuit board, but also can be repeatedly used, thereby obviously reducing the use cost.
Description
Technical Field
The invention relates to the technical field of printed circuit board processing, in particular to a printed circuit board drying device.
Background
With the increasing demand of people for electronic products, the printed circuit board is used as a necessary carrier of the electronic products, and the production quality of the printed circuit board determines the performance of the electronic products, so that the production quality of the printed circuit board is guaranteed to be very important.
The existing printed circuit board is dry, water absorption sponge or water absorption rollers are usually adopted to absorb residual liquid on the surface of the printed circuit board, but the water absorption sponge is easy to absorb water and is saturated, so that the drying performance is reduced, the drying effect is poor, the water absorption sponge needs to be frequently replaced, and the relative cost is high. And the gap moisture between the packaging protrusions on the printed circuit board is difficult to clean, resulting in poor drying effect of the printed circuit board. To this end, we propose a printed circuit board drying apparatus.
Disclosure of Invention
1. Technical problem to be solved
The technical problem to be solved by the invention is to provide a printed circuit board drying device, which can effectively solve the problems that the drying performance is reduced, the drying effect is poor, the water absorption sponge needs to be frequently replaced, and the relative cost is high because the water absorption sponge is easy to absorb water and saturate. And the gap moisture between the packaging bulges on the printed circuit board is difficult to clean, which causes the problem of poor drying effect of the printed circuit board.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme: a printed circuit board drying device comprises a rack main body and a heating assembly, wherein the heating assembly is arranged above the rack main body, a left push rod and a right push rod are respectively arranged on the left side and the right side of the rack main body, ball heads are movably connected to the upper end portions of the left push rod and the right push rod, a second oil cavity is communicated between the left push rod and the right push rod, a first oil cavity is communicated below the second oil cavity, the first oil cavity is driven by an air cylinder, a second roller and a first roller are respectively transversely arranged at the front end portion and the rear end portion of the rack main body, corresponding to the left push rod and the right push rod, and a wiping belt is wound in the middle portions of the first roller and the second roller;
the heating assembly comprises a heating box, a wind guide shaft is fixedly inserted in the heating box, a wind guide plate is movably sleeved on the outer side of the wind guide shaft, a plurality of groups of first wind guide nets are uniformly arranged on the outer side surface of the wind guide plate in an annular shape, a dewatering pipe is arranged below the wind guide plate, a water outlet is formed in the end part of the dewatering pipe, a filter screen is arranged at the upper end part of the dewatering pipe, a second wind guide net is arranged at the lower end part of the wind guide shaft, the first wind guide net and the second wind guide net are arranged in the same pore groove arrangement, the wind guide plate is driven by a motor, and a wind conveying mechanism is arranged at the lower end part of the heating box;
the air conveying mechanism comprises an air guide pipe, the upper end of the air guide pipe is communicated with an air guide cover, the upper end of the air guide cover is communicated with an air inlet pipe, the air guide cover and the air inlet pipe are both arranged inside the heating box, a supporting pocket plate is fixedly arranged at a communication port of the air guide pipe and the air guide cover, the upper end of the supporting pocket plate is connected with a rotating shaft through a bearing, an air wheel assembly and a rotating sleeve are fixedly sleeved on the rotating shaft from bottom to top in sequence, the rotating sleeve is annularly provided with an air guide opening, the right end of the air guide pipe is communicated with an air outlet pipe, a supporting frame is arranged in the inner cavity of the air outlet pipe, hole grooves are uniformly formed in the supporting frame in an annular shape, a suspension belt is movably inserted in the hole grooves, a wiping ball is arranged at the lower end of the suspension belt, and the suspension belt is arranged on the air guide pipe.
Preferably, the air outlet pipe is further provided with a ventilation pipe, and an inner cavity of the ventilation pipe is communicated with the inside of the support frame.
Preferably, the first roller and the second roller are respectively arranged on two sides of the heating assembly, and the first roller and the second roller are parallel to each other.
Preferably, the inner side surface of the frame main body is provided with a photoelectric switch, and the photoelectric switch is connected with the cylinder through a lead.
Preferably, the end parts of the first roller and the second roller are respectively provided with a driving motor for connection.
Preferably, the air guide shaft and the air inlet pipe are both connected with air supply equipment, and holes communicated with the heating box are locally arranged on the outer side surface of the air inlet pipe.
Preferably, the longitudinal section of the air deflector is hexagonal, and the corresponding hexagonal surfaces are provided with first air guiding nets.
3. Advantageous effects
(1) According to the invention, by installing the structures of the air deflector, the air guide shaft, the dewatering pipe, the wiping belt, the first roller, the second roller and the like, the wiping belt is wound on the second roller, after the printed circuit board enters the drying device through the conveying line body, the motor on the first roller drives the first roller to rotate, the wiping belt is wound on the first roller from the second roller, in the process of winding the wiping belt, the air deflector is driven to rotate by the motor, on one hand, the wiping belt is continuously extruded at the corner of the air deflector to be in close contact with the filter screen, the moisture on the wiping belt is extruded into the inner cavity of the dewatering pipe, and the water entering the dewatering pipe is discharged through the water outlet arranged on the dewatering pipe; on the other hand, the rotation of the air guide plate continuously enables the first air guide net arranged on the air guide plate to be communicated with the second air guide net arranged on the air guide shaft, hot air in the air guide shaft is conveyed downwards from inside, the wiping belt is directly heated and dried without being replaced, the use cost is reduced, heat is sent into the heating box, the heat utilization rate is improved, and meanwhile the wiping effect of the printed circuit board is guaranteed.
(2) The invention is provided with the air delivery mechanism, when the heat supply equipment introduces hot air into the air inlet pipe, a part of hot air enters the air guide cover through the guiding function of the air inlet pipe, and a small part of hot air enters the heating box through the air inlet pipe and the communication hole of the heating box, so that the moisture on the wiping strip can be evaporated more quickly, the hot air enters the air guide cover to enable the air wheel set to rotate automatically, the rotation of the air wheel set can drive the rotating shaft and the rotating sleeve to rotate, when the air guide opening arranged on the rotating sleeve corresponds to the upper and lower positions of the opening on the supporting pocket plate, the hot air can be quickly guided into the air guide pipe through the communicated opening, and is blown to the air outlet pipe through the air guide pipe, at the moment, the ventilation quantity of the hot air is larger, the disturbance amplitude on the suspension strip is large, so that the suspension strip can move in the radial direction, the vertical distance of the suspension strip is shortened, and the wiping ball is further sucked into the hole groove on the supporting frame, the entered hot air is used for drying the wiping ball; and when the wind-guiding mouth on the rotary sleeve and the notch on the support pocket board position about mutually wrong, at this moment, the ventilation only can be through the through-hole wind-guiding that sets up on rotary sleeve and the support pocket board, wind-guiding speed when corresponding with the notch on the support pocket board position about for the wind-guiding mouth on the rotary sleeve is slow, disturbance range to the suspension area is little, the suspension area can fall perpendicularly and contact with printed circuit board, can assist and wipe the area and be difficult for wiping the cleaning of the department on the printed circuit board, under the condition that does not influence hot-blast stoving to the circuit board, can also clean remaining moisture once more through the ball of cleaning that sets up, the clearance of difficult wiping department on the printed circuit board has been made things convenient for.
(3) According to the invention, the first oil cavity, the second oil cavity, the left push rod, the right push rod and the ball head are arranged, the oil balance in the first oil cavity, the second oil cavity, the left push rod and the right push rod is controlled through the air cylinder, the oil in the left push rod and the oil in the right push rod can be automatically balanced along with the winding of the wiping tape, so that the ball head always touches the printed circuit board, and the effect of automatically fixing the printed circuit board is achieved.
Drawings
FIG. 1 is a schematic main sectional view of a first embodiment of the present invention;
FIG. 2 is a schematic top view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of a position M according to a first embodiment of the present invention;
fig. 4 is a schematic view illustrating an air guide shaft of an air guide plate according to a first embodiment of the present invention;
FIG. 5 is a schematic top view of a rotating sleeve and a rotating shaft according to a first embodiment of the present invention;
FIG. 6 is a schematic top view of a supporting frame according to a first embodiment of the present invention;
FIG. 7 is a schematic view of a second air duct according to an embodiment of the present invention.
Reference numerals are as follows: 1. a rack main body; 2. a cylinder; 3. a first oil chamber; 4. a second oil chamber; 5. a left push rod; 6. a right push rod; 7. a ball head; 8. a heating assembly; 80. a heating box; 81. a dewatering pipe; 82. filtering with a screen; 83. an air deflector; 830. a first air guide net; 84. a wind guide shaft; 840. a second wind guide net; 9. a wind delivery mechanism; 90. a support frame; 901. a hole groove; 91. an air guide pipe; 92. a wind scooper; 93. a wind wheel assembly; 94. a rotating shaft; 95. a support pocket plate; 96. a rotating sleeve; 960. a wind guide opening; 97. an air outlet pipe; 98. an air inlet pipe; 99. a suspension belt; 990. wiping the ball; 10. a first roller; 11. a second roller; 12. a photoelectric switch; 13. a vent pipe; 14. and (5) wiping the belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-6, an embodiment of the present invention is shown: a printed circuit board drying device comprises a rack main body 1 and a heating assembly 8, wherein conveying line bodies are arranged at two end parts of the rack main body 1, and can convey printed circuit boards to the rack main body 1 and then output the printed circuit boards from the rack main body 1 after the printed circuit boards are dried. Wherein the heating assembly 8 is disposed above the rack body 1. The left side and the right side of the rack main body 1 are respectively provided with a left push rod 5 and a right push rod 6, wherein the left push rod 5 and the right push rod 6 are both hydraulically driven push rods, after hydraulic oil enters the cavity of the left push rod 5 and the cavity of the right push rod 6, the output shaft at the upper end of the left push rod 5 can move upwards, the upper ends of the left push rod 5 and the right push rod 6 are movably connected with a ball head 7, and the ball head 7 is connected with the output shafts of the left push rod 5 and the right push rod 6. A second oil cavity 4 is communicated between the left push rod 5 and the right push rod 6, a first oil cavity 3 is communicated below the second oil cavity 4, the first oil cavity 3 is driven by the cylinder 2, a photoelectric switch 12 is installed on the inner side face of the machine frame main body 1, and the photoelectric switch 12 is connected with the cylinder 2 through a lead. The front end and the rear end of the rack body 1 correspond to the left push rod 5 and the right push rod 6, and are respectively and transversely provided with a second roller 11 and a first roller 10, the first roller 10 and the second roller 11 are respectively arranged on two sides of the heating component 8, and the first roller 10 and the second roller 11 are parallel to each other. The wiping belt 14 is wound in the middle of the first roller 10 and the second roller 11, the wiping belt 14 is made of textile fabric, can automatically contact with the wiping belt 14 in the conveying process of the printed circuit board, and can automatically take away moisture on the printed circuit board through the arrangement of the wiping belt 14, and due to the rolling of the wiping belt 14, the wiping belt 14 is provided with a moisture part, so that the printed circuit board cannot be wiped again, and the wiping effect of the printed circuit board is guaranteed.
Wherein, the photoelectric switch 12 is arranged below the printed circuit board. After the upper part of the photoelectric switch 12 is shielded by the printed circuit board, the photoelectric switch 12 controls the cylinder 2 to be opened, under the action of the cylinder 2, oil in the first oil cavity 3 is pushed into the second oil cavity 4, at the moment, the oil in the left push rod 5 and the right push rod 6 is in balance, as shown in the state of figure 1, the distance between the right push rod 6 and the first roller 10 is increased, at the moment, more oil enters the inner cavity of the right push rod 6, the same principle is opposite, the oil entering the left push rod 5 is relatively less, along with the continuous reduction of the distance between the right push rod 6 and the first roller 10, the oil can be gradually squeezed into the left push rod 5, so that the output shaft of the left push rod 5 gradually extends upwards, the effect of fixing the printed circuit board is automatically achieved, in the process of placing the printed circuit board from left to right, the upper part of the photoelectric switch 12 is not shielded, at the moment, the cylinder 2 is not pushed out, and part of the oil in the second oil cavity 4 enters the first oil cavity 3, the output shafts of the left push rod 5 and the right push rod 6 are not pushed out upwards, so that the printed circuit board can be placed conveniently, and the printed circuit board cannot be damaged.
Referring to fig. 1 and 4, the heating assembly 8 includes a heating box 80, a wind guiding shaft 84 is fixedly inserted into the heating box 80, the wind guiding shaft 84 is fixedly installed on the heating box 80, a front end of the wind guiding shaft 84 is communicated with a heating device, and a second wind guiding net 840 is arranged at a lower end of the wind guiding shaft 84, and the heating device supplies heat to the wind guiding shaft 84, so that hot wind is generated in the wind guiding shaft 84. An air deflector 83 is movably sleeved on the outer side of the air guide shaft 84, and the air deflector 83 is driven by a motor. A dewatering pipe 81 is arranged below the air deflector 83, a filter screen 82 is arranged at the upper end part of the dewatering pipe 81, and the pore grooves of the first air guide net 830 and the second air guide net 840 are arranged in the same way. Wherein, the outer side surface of the air deflector 83 is annularly and uniformly provided with a plurality of groups of first air guiding nets 830, the longitudinal section of the air deflector 83 is hexagonal, and the corresponding hexagonal surface is provided with the first air guiding nets 830. The arrangement of the first air guiding nets 830 can play a role in guiding air, and in the process that the air deflector 83 is driven to rotate by the motor, the 6 first air guiding nets 830 arranged on the air deflector 83 are continuously communicated with the second air guiding nets 840 on the air guiding shaft 84, so that hot air in the air guiding shaft 84 is conveyed from inside to outside, and the wiping belt 14 is directly heated and dried. And in the process of the rotation of the air deflector 83, the corners of the air deflector 83 continuously squeeze the wiping belt 14 to be in close contact with the filter screen 82, so that the water on the wiping belt 14 is squeezed to enter the inner cavity of the dewatering pipe 81, the end part of the dewatering pipe 81 is provided with a water outlet, the water is discharged through the water outlet on the dewatering pipe 81, and the water discharged through the dewatering pipe 81 is collected, so that the utilization rate of water resources can also be improved.
Referring to fig. 1 and fig. 3, an air transportation mechanism 9 is disposed at a lower end of the heating box 80, the air transportation mechanism 9 includes an air guiding pipe 91, an upper end of the air guiding pipe 91 is communicated with an air guiding cover 92, and the air guiding cover 92 is fixedly mounted inside the heating box 80. An air inlet pipe 98 is communicated with the upper end part of the air guiding cover 92, the air inlet pipe 98 is directly connected with heating equipment, and holes communicated with the heating box 80 are arranged on the outer side surface of the air inlet pipe 98. When hot air is introduced into the air inlet pipe 98 through the heating equipment, a part of hot air enters the air guide cover 92 through the guiding function of the air inlet pipe 98, and a small part of hot air enters the heating box 80 through the air inlet pipe 98 and the communication hole of the heating box 80, so that the heating box 80 is filled with hot air, the moisture on the wiping belt 14 is more convenient to evaporate, and the wiping effect of the printed circuit board is better.
The air guide cover 92 and the air inlet pipe 98 are arranged inside the heating box 80, the communicating port of the air guide pipe 91 and the air guide cover 92 is fixedly provided with a supporting pocket plate 95, the supporting pocket plate 95 is fixedly arranged on the air guide pipe 91, the upper end of the supporting pocket plate 95 is connected with a rotating shaft 94 through a bearing, and the rotating shaft 94 is fixedly sleeved with an air wheel assembly 93 and a rotating sleeve 96 from bottom to top in sequence. Wherein, a plurality of through holes are arranged on the rotary sleeve 96 and the supporting pocket plate 95. The rotary sleeve 96 is annularly provided with an air guide opening 960, the support pocket plate 95 is provided with a notch corresponding to the air guide opening 960, and the arrangement of the air guide opening 960 can enable the wind power inside the air guide pipe 91 to change slightly under the condition of not influencing the hot air transmission. An air outlet pipe 97 is communicated with the right end of the air guide pipe 91, the air outlet pipe 97 and the air guide pipe 91 are arranged in an L shape, and the air outlet pipe 97 is communicated with the inside of the air guide pipe 91.
Referring to fig. 6, a supporting frame 90 is disposed in the inner cavity of the air outlet pipe 97, the supporting frame 90 is fixedly mounted on the air outlet pipe 97, the supporting frame 90 is uniformly provided with annular holes 901, a suspension belt 99 is movably inserted into the holes 901, and the suspension belt 99 is disposed on the air guide pipe 91. A wiping ball 990 is provided at a lower end of the floating belt 99, wherein the wiping ball 990 may be a ball body woven with wool, and when the wiping ball 990 continuously swings to contact the printed circuit board, it can automatically absorb moisture on the printed circuit board. The suspension belt 99 may be made of a polyethylene film, and the suspension belt 99 made of the polyethylene film is light in weight and can generate a large disturbance by blowing air lightly. When hot air is introduced into the air guiding cover 92 through the air inlet pipe 98, the wind force can rotate the air wheel set 93, so as to drive the rotating shaft 94 and the rotating sleeve 96 to rotate, when the air guiding port 960 arranged on the rotating sleeve 96 corresponds to the upper and lower positions of the notch on the supporting pocket plate 95, the hot air can be rapidly introduced into the air guiding pipe 91 through the communicated notch and blown to the air outlet pipe 97 through the air guiding pipe 91, at the moment, the ventilation amount of the hot air is large, the disturbance amplitude to the suspension belt 99 is large, so that the suspension belt 99 can generate radial movement, the vertical distance of the suspension belt 99 is shortened, the wiping ball 990 is further sucked into the hole grooves 901 on the supporting frame 90, the introduced hot air is used for drying the wiping ball 990, the suspension belts 99 are not arranged between adjacent holes in the hole grooves 901 arranged on the supporting frame 90, when the wiping ball 990 blocks the hole grooves 901, the adjacent hole grooves 901 can be directly introduced with the hot air, the hot air drying of the printed circuit board by the air outlet pipe 97 is not affected. When the air guide port 960 of the rotary sleeve 96 is staggered with the upper and lower positions of the notch of the support pocket plate 95, the ventilation can be achieved only through the through holes of the rotary sleeve 96 and the support pocket plate 95, the air guide speed is low when the air guide port 960 of the rotary sleeve 96 corresponds to the upper and lower positions of the notch of the support pocket plate 95, and the disturbance amplitude of the suspension belt 99 is small. The suspension belt 99 can vertically fall and contact with the printed circuit board, and can assist the wiping belt 14 in wiping the hard-to-wipe part of the printed circuit board, and the wiping ball 990 is in rolling contact with the printed circuit board, so that the wiping efficiency is high.
Example 2
The present embodiment is different from embodiment 1 in that:
referring to fig. 6, the air outlet pipe 97 is further provided with a ventilation pipe 13, wherein the ventilation pipe 13 is communicated with a ventilation device, under the action of the ventilation device, the inside of the ventilation pipe 13 can be ventilated, and as the inner cavity of the ventilation pipe 13 is communicated with the inside of the support frame 90, the radial blowing force can be provided for the inside of the support frame 90 through the ventilation pipe 13, so that the swing effect of the suspension belt 99 is better.
Otherwise, the same procedure as in example 1 was repeated.
The working principle is as follows: in an initial state, the wiping belt 14 is wound on the second roller 11, when the drying device is used, the printed circuit board enters the drying device from left to right through the conveying line body, and after the upper part of the photoelectric switch 12 is shielded by the printed circuit board, the photoelectric switch 12 controls the cylinder 2 to be started. Under the effect of cylinder 2, fluid in first oil pocket 3 is pushed inside second oil pocket 4, at this moment, left push rod 5 and the inside fluid of right push rod 6 are in balance, as the state shown in fig. 1, the interval between right push rod 6 and the first roller 10 increases, at this moment, the fluid that gets into the inner chamber of right push rod 6 is more, the same principle is opposite, fluid that gets into in left push rod 5 is less relatively, with the interval of right push rod 6 and first roller 10 constantly reduces, can the fluid be crowded into inside left push rod 5 gradually, make the output shaft of left push rod 5 upwards stretch out gradually, reach automatically to printed circuit board, meanwhile, the first roller 10 of motor drive on the first roller 10 is rotatory, will wipe area 14 and twine on the first roller 10 from second roller 11. In the winding process of the wiping belt 14, the air deflector 83 is driven to rotate by the motor, on one hand, the corners of the air deflector 83 continuously squeeze the wiping belt 14 to enable the wiping belt to be in close contact with the filter screen 82, water on the wiping belt 14 is squeezed into the inner cavity of the dewatering pipe 81, and the water entering the dewatering pipe 81 is discharged through a water outlet formed in the dewatering pipe 81; on the other hand, the rotation of the air deflector 83 continuously connects the 6 first air guiding nets 830 arranged on the air deflector 83 with the second air guiding net 840 on the air guiding shaft 84, and the hot air in the air guiding shaft 84 is conveyed from inside to outside, so as to directly heat and dry the wiping belt 14, and then the heat is sent into the heating box 80. When hot air is introduced into the air inlet pipe 98 by the heating equipment, a part of the hot air enters the air guiding cover 92 through the guiding function of the air inlet pipe 98, a small part of the hot air enters the heating box 80 through the air inlet pipe 98 and the communication hole of the heating box 80, the hot air entering the heating box 80 can evaporate moisture on the wiping belt 14 more quickly, the air wheel set 93 can rotate by entering the air guiding cover, the rotation of the air wheel set 93 can drive the rotating shaft 94 and the rotating sleeve 96 to rotate, when the air guiding hole 960 formed in the rotating sleeve 96 corresponds to the upper and lower positions of the notch on the supporting pocket plate 95, the hot air can be quickly introduced into the air guiding pipe 91 through the communication notch, and is blown to the air outlet pipe 97 through the air guiding pipe 91, at the moment, the ventilation amount of the hot air is large, the disturbance amplitude of the suspension belt 99 is large, so that the suspension belt 99 can move radially, and the vertical distance of the suspension belt 99 is shortened, then the wiping ball 990 is sucked into the hole groove 901 of the support frame 90, and the entered hot air is used for drying the wiping ball 990; when the air guide hole 960 of the rotary sleeve 96 is staggered with the upper and lower positions of the notch of the support pocket plate 95, the ventilation can only guide air through the through holes arranged on the rotary sleeve 96 and the support pocket plate 95, the air guide speed is low when the air guide hole 960 of the rotary sleeve 96 corresponds to the upper and lower positions of the notch of the support pocket plate 95, the disturbance amplitude of the suspension belt 99 is small, and the suspension belt 99 can vertically fall and contact with the printed circuit board and wipe the printed circuit board.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments may fall within the scope of the appended claims within the spirit of the present invention.
Claims (4)
1. The utility model provides a printed circuit board drying device, includes frame main part (1) and heating element (8), frame main part (1) top, its characterized in that are located in heating element (8): the automatic cleaning machine is characterized in that a left push rod (5) and a right push rod (6) are arranged on the left side and the right side of the machine frame main body (1) respectively, the upper end portions of the left push rod (5) and the right push rod (6) are movably connected with a ball head (7), a second oil cavity (4) is communicated between the left push rod (5) and the right push rod (6), a first oil cavity (3) is communicated below the second oil cavity (4), the first oil cavity (3) is driven by an air cylinder (2), a second roller (11) and a first roller (10) are transversely arranged at the positions, corresponding to the left push rod (5) and the right push rod (6), of the front end portion and the rear end portion of the machine frame main body (1) respectively, a wiping belt (14) is wound in the middle portions of the first roller (10) and the second roller (11), and driving motors are arranged at the end portions of the first roller (10) and the second roller (11) for connection;
the heating assembly (8) comprises a heating box (80), an air guide shaft (84) is fixedly inserted in the heating box (80), an air guide plate (83) is movably sleeved on the outer side of the air guide shaft (84), a plurality of groups of first air guide nets (830) are uniformly arranged on the outer side surface of the air guide plate (83) in an annular mode, a dewatering pipe (81) is arranged below the air guide plate (83), a water outlet is formed in the end part of the dewatering pipe (81), a filter screen (82) is arranged at the upper end part of the dewatering pipe (81), a second air guide net (840) is arranged at the lower end part of the air guide shaft (84), the arrangement of the upper hole grooves of the first air guide net (830) and the second air guide net (840) is the same, the air guide plate (83) is driven by a motor, an air conveying mechanism (9) is arranged at the lower end part of the heating box (80), the longitudinal section of the air guide plate (83) is hexagonal, and the corresponding hexagonal surface is provided with the first air guide net (830), when the wiping belt (14) is wound on the first roller (10) from the second roller (11), the corners of the air deflector (83) are driven by the rotation of the motor to continuously squeeze the wiping belt (14), the wiping belt (14) is in close contact with the filter screen (82), and simultaneously, moisture on the wiping belt (14) is squeezed into the inner cavity of the dewatering pipe (81);
the air delivery mechanism (9) comprises an air guide pipe (91), the upper end of the air guide pipe (91) is communicated with an air guide cover (92), the upper end of the air guide cover (92) is communicated with an air inlet pipe (98), an air guide shaft (84) and the air inlet pipe (98) are both connected with air supply equipment, a hole communicated with a heating box (80) is formed in the outer side surface of the air inlet pipe (98), the air guide cover (92) and the air inlet pipe (98) are both arranged in the heating box (80), a supporting pocket plate (95) is fixedly arranged at a communication port of the air guide pipe (91) and the air guide cover (92), the upper end of the supporting pocket plate (95) is connected with a rotating shaft (94) through a bearing, the rotating shaft (94) is sequentially and fixedly sleeved with an air wheel assembly (93) and a rotating sleeve (96) from bottom to top, a plurality of through holes are formed in the rotating sleeve (96) and the supporting pocket plate (95), and an air guide port (960) is annularly formed in the rotating sleeve (96), the supporting pocket plate (95) is provided with a notch corresponding to the air guide port (960), the right end portion of the air guide pipe (91) is communicated with an air outlet pipe (97), a supporting frame (90) is arranged in an inner cavity of the air outlet pipe (97), hole grooves (901) are uniformly formed in the supporting frame (90) in an annular shape, a suspension belt (99) is movably inserted in the hole grooves (901), wiping balls (990) are arranged at the lower end portion of the suspension belt (99), and the suspension belt (99) is arranged on the air guide pipe (91).
2. The printed circuit board drying device according to claim 1, wherein the air outlet pipe (97) is further provided with a ventilation pipe (13), and an inner cavity of the ventilation pipe (13) is communicated with the inside of the support frame (90).
3. A printed circuit board drying apparatus according to claim 1, wherein the first roller (10) and the second roller (11) are respectively disposed on both sides of the heating unit (8), and the first roller (10) and the second roller (11) are parallel to each other.
4. A printed circuit board drying apparatus according to claim 1, wherein a photoelectric switch (12) is mounted on the inner side surface of the frame body (1), and the photoelectric switch (12) is connected to the cylinder (2) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071584.6A CN114370744B (en) | 2022-01-21 | 2022-01-21 | Printed circuit board drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071584.6A CN114370744B (en) | 2022-01-21 | 2022-01-21 | Printed circuit board drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114370744A CN114370744A (en) | 2022-04-19 |
| CN114370744B true CN114370744B (en) | 2022-09-02 |
Family
ID=81145496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210071584.6A Active CN114370744B (en) | 2022-01-21 | 2022-01-21 | Printed circuit board drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114370744B (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3310505B2 (en) * | 1995-09-16 | 2002-08-05 | 澁谷工業株式会社 | Water drop removal device for containers |
| CN100446190C (en) * | 2003-12-19 | 2008-12-24 | 三星钻石工业股份有限公司 | Method of removing deposit from substrate and method of drying substrate, and device for removing deposit from substrate and device of drying substrate using these methods |
| CN101851787B (en) * | 2010-01-22 | 2012-07-04 | 汉麻产业投资控股有限公司 | Bast fiber production line |
| JP5855043B2 (en) * | 2013-03-29 | 2016-02-09 | 三菱電機ビルテクノサービス株式会社 | Filter dewatering device and dewatering method |
| CN203687559U (en) * | 2014-01-01 | 2014-07-02 | 广州市吕顺机电设备有限公司 | Sponge water squeezing mechanism of water removing machine |
| CN105486056B (en) * | 2015-12-09 | 2018-09-28 | 东莞市威力固电路板设备有限公司 | Printed circuit board drying device |
| CN107576182A (en) * | 2017-10-20 | 2018-01-12 | 邱钱勇 | Oscillatory type drying device is used in a kind of sheet material production and processing |
| CN208458446U (en) * | 2018-06-27 | 2019-02-01 | 镇江通达内饰材料有限公司 | A kind of drying equipment of fibre |
| CN209484944U (en) * | 2019-02-17 | 2019-10-11 | 泉州迅捷工业设计服务有限公司 | Drying unit is used in a kind of production and processing of electronic product |
| CN212512339U (en) * | 2020-05-06 | 2021-02-09 | 广德正大电子科技有限公司 | Printed circuit board drying device |
| CN212390788U (en) * | 2020-05-15 | 2021-01-22 | 嘉兴凯隆智能科技股份有限公司 | Surface dehumidifying and drying device for anti-rusting metal pipe |
| CN111603591B (en) * | 2020-06-01 | 2021-08-06 | 佛山市狮美王包装科技有限公司 | System and method for producing, sterilizing and disinfecting antibacterial preservative film |
| CN213713854U (en) * | 2020-10-15 | 2021-07-16 | 天津金泰盛世石化设备有限公司 | Transmission mechanism of casing drying box |
| CN112556383B (en) * | 2021-02-22 | 2021-05-25 | 浙江大胜达包装股份有限公司 | Local fine drying and heating equipment and method in corrugated paper production |
| CN214665816U (en) * | 2021-04-12 | 2021-11-09 | 福建华特合成革有限公司 | Double-sided drying device for synthetic leather |
-
2022
- 2022-01-21 CN CN202210071584.6A patent/CN114370744B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114370744A (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208261493U (en) | A kind of silk printing glass clearing and drying device | |
| CN110864534B (en) | Gauze stoving quick rolling equipment | |
| CN113668158A (en) | Novel cleaning and drying device before dyeing of textile fabric | |
| CN206581012U (en) | A kind of cloth printing and dyeing dryer | |
| CN115387152A (en) | Impregnated paper cooling device and method for impregnation drying production line | |
| CN114370744B (en) | Printed circuit board drying device | |
| CN211772058U (en) | Printing and dyeing cloth cleaning and drying device | |
| CN212451936U (en) | Terylene fabric dehydration padder device | |
| CN219010692U (en) | Textile fabric surface treatment equipment | |
| CN116752301A (en) | Drying and cleaning integrated equipment for printing and dyeing cloth | |
| CN110849119B (en) | Energy-efficient non-woven fabrics drying device | |
| CN211000464U (en) | Printing and drying device for shower curtain production | |
| CN208575014U (en) | A kind of Furniture panel drying unit | |
| CN207901877U (en) | A kind of cleaning processing equipment on roller surface | |
| CN219903777U (en) | Stamp drying device | |
| CN217026368U (en) | Production of electromagnetic shielding membrane base material non-woven fabrics is with soaking drying equipment that inhales | |
| CN215991380U (en) | Antistatic brown oxidation production line | |
| CN220685490U (en) | Interweaving fabric printing and dyeing equipment | |
| CN219508202U (en) | Dust removing device of sizing machine | |
| CN220670083U (en) | Drying and dewatering device for water-jet loom | |
| CN112176576B (en) | Airflow dyeing machine | |
| CN113650413B (en) | Blanking cooling system for printing machine | |
| CN220410001U (en) | Woven bag printing device with double-sided printing | |
| CN220774037U (en) | Quick drying device for cable production | |
| CN219385610U (en) | Yarn cleaning equipment for wool yarn processing |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |