CN216115182U

CN216115182U - Drying device is used in processing of PCB board

Info

Publication number: CN216115182U
Application number: CN202121875381.XU
Authority: CN
Inventors: 方虎
Original assignee: Xinjinxin Tianjin Electronic Technology Co ltd
Current assignee: Xinjinxin Tianjin Electronic Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-03-22
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a drying device for processing a PCB (printed circuit board), which comprises a workbench, wherein a lower disc and a porous upper disc are arranged on the workbench, and a drying cylinder is fixed between the lower disc and the porous upper disc; the drying cylinder is internally provided with an air heater, the outer wall of the drying cylinder is provided with a first slot, the lower disc is provided with a second slot, and air outlet holes are formed in the drying cylinder on two sides of the first slot; and the lower disc is provided with a water absorbing mechanism, the water absorbing mechanism comprises water absorbing rollers positioned on two sides of the second slot, and the outer sides of the water absorbing rollers are connected with a lifting frame. According to the drying device, the PCB is fixed through the first slot and the second slot, water drops in the holes are absorbed by the water absorption roller, the water absorption roller which moves up and down is combined with the lifting frame to absorb the water drops at each position of the surface of the PCB, so that moisture is prevented from remaining, and the drying efficiency is improved by arranging the drying cylinder and accelerating the drying of the PCB through hot air generated by the hot air blower.

Description

Drying device is used in processing of PCB board

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a drying device for PCB processing.

Background

After the PCB is drilled, the surface of the PCB is cleaned from adhering debris, and the PCB is then subjected to wet film processing, which causes water on the surface of the PCB and generally requires concentrated drying. However, the pores for welding the micro elements on the PCB also have water drops, and in the prior art, the water drops in the pores cannot be completely absorbed, which not only affects the subsequent processing, but also has a bad effect on the quality of the PCB. Therefore, a drying device for processing the PCB is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drying device for processing a PCB (printed circuit board), which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a drying device for processing a PCB is designed, and comprises a workbench erected through a stand column, wherein a lower disc and a porous upper disc are coaxially arranged on the workbench, and a drying cylinder is fixed between the lower disc and the porous upper disc;

the drying cylinder is internally provided with a hot air blower, the outer wall of the drying cylinder is provided with a first slot, a second slot communicated with the first slot is radially arranged on the lower disc, and air outlet holes are uniformly formed in the drying cylinder on two sides of the first slot;

the lower disc is provided with a water absorbing mechanism, the water absorbing mechanism comprises water absorbing rollers positioned at two sides of the second slot, and the outer sides of the water absorbing rollers are connected with driven lifting frames;

the bottom of the workbench is provided with a driving shaft connected with the lower disc, the bottom of the workbench is provided with a motor through a support, a first synchronizing wheel and a second synchronizing wheel are respectively arranged on the driving shaft and a motor output shaft, and the first synchronizing wheel and the second synchronizing wheel are connected through a synchronizing belt.

Preferably, the top end of the drying cylinder is open and penetrates through the porous upper disc, and the top end of the drying cylinder is in threaded connection with a porous cover.

Preferably, be equipped with the base on the workstation, the base passes through the spliced pole and is fixed with the lower wall, the vertical lead screw that is fixed with in base both sides, the lead screw top is fixed with porous hanging wall, and the screw of lead screw is fixed with the crane, and the equidistance is equipped with the guide bar between the lead screw, the guide bar both ends are fixed with porous hanging wall, base respectively, the crane slip cap is established on the guide bar.

Preferably, one end of the water suction roller, which is far away from the lifting frame, is connected with a guide groove in a sliding manner, the guide groove is vertically arranged, and two ends of the guide groove are respectively fixed with the porous upper disc and the base.

Preferably, the lifting frame is arranged in a ring shape, and the radius of the lifting frame is larger than that of the lower disc.

Preferably, the first slots are arranged along the outer wall of the drying cylinder at equal intervals, and the number of the first slots is at least three.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a will treat dry PCB board through first slot and second slot and fix, utilize the roller that absorbs water that sets up in second slot both sides to extrude and then produce the friction PCB board surface, thereby will hide the drop of water in the hole of PCB board and absorb, combine together with the crane again, make the roller that absorbs water of round trip movement from top to bottom absorb the drop of water in PCB board surface hole everywhere, prevent that moisture from remaining, through setting up a stoving section of thick bamboo, utilize the hot-blast surface of drying PCB board with higher speed that produces of air heater, not only guaranteed drying effect and still promoted drying efficiency.

Drawings

Fig. 1 is a front view of a drying device for PCB processing according to the present invention;

fig. 2 is a bottom view of a drying device for processing a PCB according to the present invention;

fig. 3 is a schematic structural diagram of a drying drum of the drying device for processing the PCB according to the present invention.

In the figure: the drying device comprises a workbench 1, a stand column 2, a lower disc 3, a porous upper disc 4, a drying cylinder 5, an air outlet 6, a first slot 7, a second slot 8, a hot air blower 9, a porous cover 10, a lifting frame 11, a water suction roller 12, a screw rod 13, a screw nut 131, a guide rod 14, a guide groove 15, a base 16, a driving shaft 17, a first synchronizing wheel 18, a motor 19, a second synchronizing wheel 20 and a connecting column 21.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a drying device for processing a PCB comprises a workbench 1 erected through a stand column 2, wherein a lower disc 3 and a porous upper disc 4 are coaxially arranged on the workbench 1, a drying cylinder 5 is fixed between the lower disc 3 and the porous upper disc 4, and the drying cylinder 5, the lower disc 3 and the porous upper disc 4 form a connecting body;

an air heater 9 is installed in the drying cylinder 5, a first slot 7 is arranged on the outer wall of the drying cylinder 5, a second slot 8 communicated with the first slot 7 is radially arranged on the lower disc 3, and air outlet holes 6 are uniformly formed in the drying cylinder 5 on two sides of the first slot 7;

specifically, air heater 9 is connected with the power through the wire, and the wire is worn out from drying cylinder 5, starts air heater 9 back, and hot-blast opposite face to adjacent PCB board of blowing from exhaust vent 6 is wrapped up in the drop of water on PCB board surface and is being carried the porous hanging wall 4 from the top and flow to the external world with hot-blast.

Furthermore, the first slots 7 are arranged along the outer wall of the drying cylinder 5 at equal intervals, and at least three first slots 7 are arranged; the number of the PCB boards to be dried in unit time is increased, the drying times are reduced, and the drying efficiency is improved.

Furthermore, the top end of the drying cylinder 5 is opened and penetrates through the porous upper disc 4, and the top end of the drying cylinder 5 is in threaded connection with a porous cover 10; on the one hand, because air heater 9 lasts work and can produce a large amount of heat and save in drying cylinder 5, make air heater 9's operational environment more abominable, utilize porous lid 10 to be convenient for drying cylinder 5 to dispel the heat, the heat can flow to the external world from the hole naturally to reduce drying cylinder 5's inside temperature, guarantee that air heater 9 normally works.

Specifically, through setting up a stoving section of thick bamboo 5, utilize the hot-blast surface of drying the PCB board with higher speed that the air heater 9 produced, not only guaranteed drying effect but also promoted drying efficiency.

The lower disc 3 is provided with a water absorbing mechanism, the water absorbing mechanism comprises water absorbing rollers 12 positioned at two sides of the second slot 8, and the outer sides of the water absorbing rollers 12 are connected with driven lifting frames 11;

further, a base 16 is arranged on the workbench 1, the base 16 is fixed with the lower disc 3 through a connecting column 21, lead screws 13 are vertically fixed on two sides of the base 16, the top ends of the lead screws 13 are fixed with the porous upper disc 4, nuts 131 of the lead screws 13 are fixed with the lifting frames 11, guide rods 14 are arranged between the lead screws 13 at equal intervals, two ends of each guide rod 14 are respectively fixed with the porous upper disc 4 and the base 16, the lifting frames 11 are slidably sleeved on the guide rods 14, and the guide rods 14 are provided with sliding sleeves which are fixed with the lifting frames 11 through bolts;

specifically, the screw 13 is driven by a motor, the lifting frame 11 is lifted by utilizing the up-and-down sliding of the screw 131, the water suction roller 12 is driven to move up and down on the surface of the PCB, and the lifting frame 11 is more stable in movement by utilizing the guide rod 14.

Furthermore, the lifting frame 11 is arranged in a ring shape, and the radius of the lifting frame 11 is larger than that of the lower disc 3; when the lifting frame 11 moves up and down, the PCB is prevented from being damaged due to collision with the PCB inserted on the lower disc 3.

Further, one end of the water suction roller 12, which is far away from the lifting frame 11, is connected with a guide groove 15 in a sliding manner, the guide groove 15 is vertically arranged, and two ends of the guide groove 15 are respectively fixed with the porous upper disc 4 and the base 16; when the water suction roll 12 moves up and down along with the lifting frame 11, the other end of the water suction roll 12 loses support, the structure is unstable, and the guide groove 15 is in sliding fit with the water suction roll 12, so that the other end of the water suction roll 12 is matched with the lifting frame 11 to move.

Specifically, the PCB to be dried is fixed through the first slot 7 and the second slot 8, the water suction rollers 12 arranged at the two sides of the second slot 8 are utilized to extrude the surface of the PCB so as to generate friction, thereby absorbing water drops hidden in the holes of the PCB, and then the water suction rollers 12 moving up and down back and forth are combined with the lifting frame 11 to absorb the water drops in the holes at each position of the surface of the PCB so as to prevent water from remaining,

a driving shaft 17 connected with the lower disc 3 is arranged at the bottom of the workbench 1, the driving shaft 17 penetrates through the base 16 and is fixedly connected with the lower disc 3, a motor 19 is arranged at the bottom of the workbench 1 through a support, a first synchronizing wheel 18 and a second synchronizing wheel 20 are respectively arranged on output shafts of the driving shaft 17 and the motor 19, and the first synchronizing wheel 18 and the second synchronizing wheel 20 are connected through a synchronizing belt; the output shaft of the motor 19 rotates the second synchronizing wheel 20 first, and then rotates the first synchronizing wheel 18 and the driving shaft 17 coaxially fixed to the first synchronizing wheel 18 by means of the timing belt.

Specifically, motor 19 passes through the wire and is connected with power supply, behind the starter motor 19, drive shaft 17 can drive base 16, lower wall 3, porous hanging wall 4 and the connector that the section of thick bamboo 5 formed of drying rotate together for insert the PCB board of establishing on lower wall 3 and will the moisture on its surface under the effect of centrifugal force throws away between porous hanging wall 4 and the lower wall 3, make drying speed obtain promoting by a wide margin, cooperate absorbing mechanism and a section of thick bamboo 5 of drying again, make whole practicality reinforcing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drying device is used in processing of PCB board, includes workstation (1) that stands through stand (2), its characterized in that: a lower disc (3) and a porous upper disc (4) are coaxially arranged on the workbench (1), and a drying cylinder (5) is fixed between the lower disc (3) and the porous upper disc (4);

an air heater (9) is installed in the drying cylinder (5), a first slot (7) is formed in the outer wall of the drying cylinder (5), a second slot (8) communicated with the first slot (7) is radially formed in the lower disc (3), and air outlet holes (6) are uniformly formed in the drying cylinder (5) on the two sides of the first slot (7);

a water absorbing mechanism is arranged on the lower disc (3), the water absorbing mechanism comprises water absorbing rollers (12) positioned at two sides of the second slot (8), and the outer sides of the water absorbing rollers (12) are connected with a driven lifting frame (11);

the automatic feeding device is characterized in that a driving shaft (17) connected with the lower disc (3) is arranged at the bottom of the working table (1), a motor (19) is installed at the bottom of the working table (1) through a support, a first synchronizing wheel (18) and a second synchronizing wheel (20) are installed on output shafts of the driving shaft (17) and the motor (19) respectively, and the first synchronizing wheel (18) and the second synchronizing wheel (20) are connected through a synchronous belt.

2. The drying device for PCB processing as claimed in claim 1, wherein: the top end of the drying cylinder (5) is opened and penetrates through the porous upper disc (4), and the top end of the drying cylinder (5) is in threaded connection with a porous cover (10).

3. The drying device for PCB processing as claimed in claim 1, wherein: be equipped with base (16) on workstation (1), base (16) are fixed through spliced pole (21) and lower wall (3), base (16) both sides are vertical to be fixed with lead screw (13), and lead screw (13) top is fixed with porous hanging wall (4), and screw (131) and crane (11) of lead screw (13) are fixed, and the equidistance is equipped with guide bar (14) between lead screw (13), guide bar (14) both ends are fixed with porous hanging wall (4), base (16) respectively, crane (11) slip cover is established on guide bar (14).

4. The drying device for PCB processing as claimed in claim 1, wherein: one end, far away from the lifting frame (11), of the water suction roller (12) is connected with a guide groove (15) in a sliding mode, the guide groove (15) is vertically arranged, and two ends of the guide groove are fixed with the porous upper disc (4) and the base (16) respectively.

5. The drying device for PCB processing as claimed in claim 1, wherein: the lifting frame (11) is annular, and the radius of the lifting frame (11) is larger than that of the lower disc (3).

6. The drying device for PCB processing as claimed in claim 1, wherein: first slot (7) set up along drying cylinder (5) outer wall equidistance, and first slot (7) set up three at least.