CN219462604U - Defoaming device for pouring sealant of circuit board - Google Patents
Defoaming device for pouring sealant of circuit board Download PDFInfo
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- CN219462604U CN219462604U CN202320453995.1U CN202320453995U CN219462604U CN 219462604 U CN219462604 U CN 219462604U CN 202320453995 U CN202320453995 U CN 202320453995U CN 219462604 U CN219462604 U CN 219462604U
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- pouring sealant
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- circuit board
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Abstract
The utility model discloses a defoaming device for pouring sealant of a circuit board, and relates to the field of glue treatment. The utility model provides a circuit board pouring sealant deaeration device, includes the jar body, dismantle on the jar body and be connected with the cover, still include: the heat conducting pipe is wound between the inner wall and the outer wall of the tank body; the filter heating box and the suction pump are fixedly arranged on the tank body, the input end of the suction pump is fixedly communicated with the inner cavity of the filter heating box, and the output end of the suction pump is fixedly communicated with one end of the heat conducting pipe; the mounting plate is connected to the tank cover in a sliding manner, a rotating shaft is connected to the mounting plate in a rotating manner, and a stirring rod is fixedly connected to the outer wall of the rotating shaft; according to the utility model, when the pouring sealant is defoamed, the stirring rod which rotates and reciprocates up and down is used for promoting the mixing effect of the foam remover and the pouring sealant, so that the effect of eliminating the air bubbles in the pouring sealant can be achieved, and the negative vacuum is pumped in the tank body in a matched manner, so that the eliminating effect of the air bubbles in the sealing sealant is further improved.
Description
Technical Field
The utility model belongs to the technical field of glue treatment, and particularly relates to a circuit board pouring sealant defoaming device.
Background
In general, in the assembly stage of the semiconductor display device after the display module is manufactured, the non-display area needs to be encapsulated and coated with pouring sealant to prevent water and oxygen from corroding circuits and devices in the non-display area, and the pouring sealant is usually required to be used after defoaming in a defoaming cavity at present.
The utility model discloses a circuit board pouring sealant centrifugal defoaming device, which is disclosed in the patent application number of CN202022218628.2 and the application date of 2020.09.30. Comprises a centrifuge main body and a buffer device; the centrifugal seat is arranged in a cavity of the centrifugal machine main body through motor driving control; the buffer device comprises a locking buffer piece which is matched with the centrifugal seat, a locking groove is formed in the end part of the centrifugal seat, and a locking lug is correspondingly arranged on the locking buffer piece; the locking buffer piece is placed into the centrifugal seat through the opening, so that isolation buffering and locking of the product and the inner wall of the centrifugal seat are realized. According to the centrifugal defoaming device, in the centrifugal process, the product can not rub with the centrifugal seat due to rotation of the product, the condition that the product is damaged or the service life of the device is influenced easily during centrifugation is avoided, the reliability of the circuit board pouring sealant centrifugal defoaming device is improved, and the input cost of production equipment of enterprises is reduced;
in the above patent, since the pouring sealant itself is a colloid, the viscosity is high and the viscosity is large, so that the pouring sealant is defoamed in a single way through centrifugation, and the defoamation effect is poor.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a circuit board pouring sealant defoaming device which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the utility model provides a circuit board pouring sealant deaeration device, includes the jar body, dismantle on the jar body and be connected with the cover, still include: the heat conducting pipe is wound between the inner wall and the outer wall of the tank body; the filter heating box and the suction pump are fixedly arranged on the tank body, the input end of the suction pump is fixedly communicated with the inner cavity of the filter heating box, and the output end of the suction pump is fixedly communicated with one end of the heat conducting pipe; the mounting plate is connected to the tank cover in a sliding manner, a rotating shaft is connected to the mounting plate in a rotating manner, and a stirring rod is fixedly connected to the outer wall of the rotating shaft; the piston disc is rotationally connected to the rotating shaft, a hollow cavity is arranged above the piston disc in the tank body and fixedly communicated with the inner cavity of the tank body through a first guide pipe, and a driving part for driving the mounting plate to move up and down is arranged on the tank cover; the second conduit is fixedly communicated with the hollow cavity; the pipeline is fixedly connected to the mounting plate, one end of the heat conducting pipe, which is far away from the output end of the suction pump, is fixedly communicated with the pipeline, and an impeller is fixedly mounted at one end of the rotating shaft, which penetrates through the pipeline.
In order to drive the mounting plate to move up and down, preferably, the driving part for driving the mounting plate to move up and down comprises an electric telescopic rod which is symmetrically and fixedly arranged at the top of the tank cover, and the mounting plate is fixedly connected with the output end of the electric telescopic rod.
In order to increase the tightness between the tank cover and the tank body, preferably, the lower side of the tank cover is fixedly connected with a sealing plug, the outer side wall of the sealing plug is fixedly connected with a sealing gasket, the sealing gasket is attached to the inner wall of the tank body, and the tank cover is detached from the tank body through a mounting bolt.
In order to increase the tightness of the pipeline, preferably, a sealing ring is arranged on the pipeline, and the sealing ring is attached to the outer wall of the rotating shaft.
In order to filter and heat the gas passing through the filtering and heating box from the outside, preferably, the inner wall of the filtering and heating box is fixedly connected with a plurality of groups of partition boards which are arranged in a staggered mode, the inner wall of the filtering and heating box is fixedly provided with heating wires, the filtering and heating box is provided with an air inlet, and an activated carbon filter screen is arranged in the air inlet.
In order to be convenient for discharge the pouring sealant after the bubble elimination in the jar body, preferably, jar body bottom is the toper design, jar body bottom fixed intercommunication has row material pipe, it is equipped with valve switch on the material pipe to arrange.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, when the pouring sealant is defoamed, the stirring rod which rotates and reciprocates up and down is used for promoting the mixing effect of the foam remover and the pouring sealant, so that the effect of eliminating the air bubbles in the pouring sealant can be achieved, and the negative vacuum is pumped in the tank body in a matched manner, so that the eliminating effect of the air bubbles in the sealing sealant is further improved.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
In the drawings:
fig. 1 is a schematic diagram of the internal structure of a defoaming device for pouring sealant of a circuit board;
fig. 2 is a schematic diagram of a part of the structure of a defoaming device for pouring sealant of a circuit board;
FIG. 3 is a cross-sectional view of a filtering heating box of the circuit board pouring sealant defoaming device;
FIG. 4 is an enlarged view of the portion A of FIG. 1 of the circuit board pouring sealant deaeration device of the present utility model;
fig. 5 is an enlarged view of part B in fig. 1 of the circuit board pouring sealant defoaming device of the present utility model.
In the figure: 1. a tank body; 101. a can lid; 102. installing a bolt; 103. a sealing plug; 104. a sealing gasket; 105. a discharge pipe; 106. a valve switch; 2. a filtering heating box; 201. a partition plate; 202. a heating wire; 203. an activated carbon filter screen; 204. a getter pump; 205. a heat conduction pipe; 3. an electric telescopic rod; 301. a mounting plate; 302. a pipe; 303. a rotating shaft; 304. a stirring rod; 305. a seal ring; 306. an impeller; 4. a hollow cavity; 401. a piston disc; 402. a first conduit; 403. and a second conduit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Example 1:
referring to fig. 1-5, a defoaming device for pouring sealant of a circuit board, which comprises a tank body 1, wherein a tank cover 101 is detachably connected to the tank body 1, and the defoaming device further comprises: a heat conduction pipe 205 wound around and disposed between the inner and outer walls of the can 1; the filter heating box 2 and the suction pump 204 are fixedly arranged on the tank body 1, the input end of the suction pump 204 is fixedly communicated with the inner cavity of the filter heating box 2, and the output end is fixedly communicated with one end of the heat conducting pipe 205; the mounting plate 301 is connected to the tank cover 101 in a sliding manner, a rotating shaft 303 is connected to the mounting plate 301 in a rotating manner, and a stirring rod 304 is fixedly connected to the outer wall of the rotating shaft 303; the piston disc 401 is rotatably connected to the rotating shaft 303, a hollow cavity 4 is arranged above the piston disc 401 in the tank body 1, the hollow cavity 4 is fixedly communicated with the inner cavity of the tank body 1 through a first guide pipe 402, and a driving part for driving the mounting plate 301 to move up and down is arranged on the tank cover 101; a second conduit 403 fixedly communicated with the hollow cavity 4; the pipeline 302 is fixedly connected to the mounting plate 301, one end, far away from the output end of the suction pump 204, of the heat conducting pipe 205 is fixedly communicated with the pipeline 302, and an impeller 306 is fixedly mounted at one end, penetrating through the pipeline 302, of the rotating shaft 303.
The drive part for driving the mounting plate 301 to move up and down comprises an electric telescopic rod 3, wherein the electric telescopic rod 3 is symmetrically and fixedly arranged at the top of the tank cover 101, and the mounting plate 301 is fixedly connected with the output end of the electric telescopic rod 3.
The filter heating cabinet 2 inner wall fixedly connected with multiunit is baffle 201 that crisscross setting each other, and filter heating cabinet 2 inner wall fixed mounting has heater strip 202, has seted up the air inlet on the filter heating cabinet 2, is equipped with active carbon filter screen 203 in the air inlet.
When the pouring sealant needs to be defoamed, a user firstly pours the pouring sealant to be defoamed into the tank body 1, adds a proper amount of defoaming agent into the tank body 1, covers the tank cover 101 on the tank body 1, then fixes the tank cover 101 and the tank body 1 by means of a spanner and matching with the mounting bolt 102, then starts the suction pump 204, and opens the heating wire 202, at this moment, the suction pump 204 pumps external gas through the air inlet, the gas contacts the activated carbon filter screen 203 through the air inlet, due to the developed gap structure and abundant micropore tissues in the activated carbon, particles in the gas can be adsorbed into micropores when the gas contacts the activated carbon, the effect of filtering gas is further achieved, then the filtered gas enters the filter heating box 2 through the air inlet, and because a plurality of groups of baffle plates 201 are arranged in the filter heating box 2 in a staggered manner, therefore, the gas entering the filter heating box 2 moves in an S-shaped movement trend and is fully contacted with the heating wire 202, so that the filtered gas is heated, then the heated gas enters the heat-conducting pipe 205, and the heat-conducting pipe 205 is made of copper with good heat conductivity, so that the heat gas entering the heat-conducting pipe 205 can heat pouring sealant in the can body 1 through heat conduction, thereby reducing the viscosity of the pouring sealant, and meanwhile, the gas entering the heat-conducting pipe 205 is discharged outside through the pipeline 302, when the gas passes through the pipeline 302, the gas drives the rotating shaft 303 to rotate through the impeller 306, and the rotating shaft 303 drives the stirring rod 304 to synchronously rotate, so that the rotating stirring rod 304 can stir the foam remover in the can body 1 to mix with the pouring sealant, thereby achieving the effect of eliminating the bubbles in the can sealing sealant;
meanwhile, the electric telescopic rod 3 is started, the electric telescopic rod 3 pushes the mounting plate 301 to reciprocate up and down, meanwhile, the mounting plate 301 drives the stirring rod 304 rotating in the can body 1 to synchronously reciprocate up and down, so that the mixing effect of the foam remover and the pouring sealant is improved, meanwhile, when the mounting plate 301 moves downwards, the piston disc 401 synchronously moves downwards along with the mounting plate 301 through the rotating shaft 303, gas in the can body 1 is pumped into the hollow cavity 4 through the first guide pipe 402, then when the mounting plate 301 moves upwards, the piston disc 401 synchronously moves upwards along with the mounting plate 301 through the rotating shaft 303, the gas in the hollow cavity 4 is extruded to be discharged out of the hollow cavity 4 through the second guide pipe 403, one-way valves are arranged on the first guide pipe 402 and the second guide pipe 403, and then the operation steps are repeatedly repeated, so that negative vacuum is pumped in the can body 1, and the eliminating effect of the air bubbles in the can seal adhesive is further improved;
it should be noted that, the first conduit 402 employs a flexible hose, and thus, the first conduit 402 does not interfere with the removal and installation of the can lid 101.
Example 2:
referring to fig. 1-5, a defoaming device for pouring sealant of a circuit board is basically the same as that of embodiment 1, and further, a sealing plug 103 is fixedly connected to the lower side of a can cover 101, a sealing gasket 104 is fixedly connected to the outer side wall of the sealing plug 103, the sealing gasket 104 is attached to the inner wall of the can body 1, and the can cover 101 is detached from the can body 1 through a mounting bolt 102; when the pouring sealant in the tank body 1 is defoamed, the sealing plug 103 is tightly attached to the inner wall of the tank body 1 through the sealing gasket 104, so that the tightness of the tank body 1 is improved, and the heat loss in the tank body 1 is effectively reduced.
Example 3:
referring to fig. 1-5, a defoaming device for pouring sealant of a circuit board is basically the same as that of embodiment 1, and further, a sealing ring 305 is arranged on a pipeline 302, and the sealing ring 305 is attached to the outer wall of a rotating shaft 303; when the gas in the heat conducting pipe 205 is discharged to the outside through the pipeline 302, the sealing ring 305 is attached to the rotating shaft 303, so that the tightness of the pipeline 302 is improved, and the gas is prevented from leaking through a gap between the rotating shaft 303 and the contact surface of the pipeline 302 when passing through the pipeline 302, and the rotating shaft 303 is driven to rotate by the impeller 306.
Example 4:
referring to fig. 1-5, a defoaming device for pouring sealant of a circuit board is basically the same as that of embodiment 1, further, the bottom of a tank body 1 is in a conical design, a discharge pipe 105 is fixedly communicated with the bottom of the tank body 1, and a valve switch 106 is arranged on the discharge pipe 105; when the pouring sealant with the bubbles eliminated in the tank body 1 needs to be discharged, a user can manually open the valve switch 106, at the moment, the pouring sealant with the viscosity reduced after heating is discharged out of the tank body 1 through the discharge pipe 105, and the inner wall of the bottom of the tank body 1 is in a conical design, so that the pouring sealant can be prevented from being remained at the bottom of the tank body 1 when being discharged out of the tank body 1 through the discharge pipe 105, and the pouring sealant is wasted.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, although the present utility model has been described in the preferred embodiments, and is not limited thereto.
Claims (6)
1. The utility model provides a circuit board pouring sealant deaeration device, includes a jar body (1), dismantle on jar body (1) and be connected with cover (101), its characterized in that still includes:
a heat conduction pipe (205) wound and arranged between the inner wall and the outer wall of the tank body (1);
the filter heating box (2) and the suction pump (204) are fixedly arranged on the tank body (1), the input end of the suction pump (204) is fixedly communicated with the inner cavity of the filter heating box (2), and the output end of the suction pump is fixedly communicated with one end of the heat conduction pipe (205);
the mounting plate (301) is connected to the tank cover (101) in a sliding manner, a rotating shaft (303) is connected to the mounting plate (301) in a rotating manner, and a stirring rod (304) is fixedly connected to the outer wall of the rotating shaft (303);
the piston disc (401) is rotationally connected to the rotating shaft (303), a hollow cavity (4) is arranged above the piston disc (401) in the tank body (1), the hollow cavity (4) is fixedly communicated with the inner cavity of the tank body (1) through a first guide pipe (402), and a driving part for driving the mounting plate (301) to move up and down is arranged on the tank cover (101);
a second conduit (403) fixedly communicated with the hollow cavity (4);
the pipeline (302) is fixedly connected to the mounting plate (301), one end, far away from the output end of the suction pump (204), of the heat conducting pipe (205) is fixedly communicated with the pipeline (302), and the rotating shaft (303) penetrates through one end of the pipeline (302) and is fixedly provided with an impeller (306).
2. The circuit board pouring sealant defoaming device according to claim 1, wherein the driving part for driving the mounting plate (301) to move up and down comprises an electric telescopic rod (3), the electric telescopic rod (3) is symmetrically and fixedly arranged at the top of the tank cover (101), and the mounting plate (301) is fixedly connected with the output end of the electric telescopic rod (3).
3. The circuit board pouring sealant defoaming device according to claim 1, wherein a sealing plug (103) is fixedly connected to the lower side of the tank cover (101), a sealing gasket (104) is fixedly connected to the outer side wall of the sealing plug (103), the sealing gasket (104) is attached to the inner wall of the tank body (1), and the tank cover (101) is detached from the tank body (1) through a mounting bolt (102).
4. The defoaming device for the circuit board pouring sealant according to claim 1, wherein a sealing ring (305) is arranged on the connecting pipeline (302), and the sealing ring (305) is attached to the outer wall of the rotating shaft (303).
5. The circuit board pouring sealant defoaming device according to claim 1, wherein a plurality of groups of baffle plates (201) which are arranged in a staggered mode are fixedly connected to the inner wall of the filtering heating box (2), heating wires (202) are fixedly installed on the inner wall of the filtering heating box (2), an air inlet is formed in the filtering heating box (2), and an activated carbon filter screen (203) is arranged in the air inlet.
6. The defoaming device for the pouring sealant of the circuit board according to claim 1, wherein the bottom of the tank body (1) is in a conical design, a discharge pipe (105) is fixedly communicated with the bottom of the tank body (1), and a valve switch (106) is arranged on the discharge pipe (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320453995.1U CN219462604U (en) | 2023-03-08 | 2023-03-08 | Defoaming device for pouring sealant of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320453995.1U CN219462604U (en) | 2023-03-08 | 2023-03-08 | Defoaming device for pouring sealant of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219462604U true CN219462604U (en) | 2023-08-04 |
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ID=87434384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320453995.1U Active CN219462604U (en) | 2023-03-08 | 2023-03-08 | Defoaming device for pouring sealant of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219462604U (en) |
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- 2023-03-08 CN CN202320453995.1U patent/CN219462604U/en active Active
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