CN211964886U - Quick drying device after circuit board point is glued - Google Patents
Quick drying device after circuit board point is glued Download PDFInfo
- Publication number
- CN211964886U CN211964886U CN201922343953.9U CN201922343953U CN211964886U CN 211964886 U CN211964886 U CN 211964886U CN 201922343953 U CN201922343953 U CN 201922343953U CN 211964886 U CN211964886 U CN 211964886U
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- Prior art keywords
- circuit board
- shell
- air
- casing
- heating chamber
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Abstract
The utility model discloses a back quick drying device is glued to circuit board point, including the casing that passes through for the circuit board, the last lateral wall of casing is the arcuation of upwards arching, and the last lateral wall inner wall of casing is provided with the fin of arcuation, and the position that the both sides of conveyer top correspond the casing all is provided with the heating chamber, and the heating chamber is provided with the gas blow pipe. Heating equipment is arranged in the heating chamber and used for heating air in the air inlet pipe, then the air blowing pipes are sprayed out, the heating chambers on the two sides simultaneously carry out drying of air blowing modes on the two sides of the circuit board through the air blowing pipes, finally, the air with water vapor is prevented from being detained in the shell, and the evaporation drying rate of glue water of the circuit board is improved.
Description
Technical Field
The utility model belongs to the technical field of circuit board point is glued the back and is dried, especially relate to a quick drying device after circuit board point is glued.
Background
Glue dispensing is a process, also called glue applying, gluing, glue pouring, glue dripping and the like, electronic glue, oil or other liquid is smeared, encapsulated and dripped on a product, so that the product plays roles of sticking, encapsulating, insulating, fixing, surface smoothing and the like, when glue is dispensed on a needed product, in the glue dispensing process, glue cannot be immediately solidified after glue dispensing, so that the glue is easily stained with dust on a circuit board, the glue easily flows to other places due to the fluidity of the glue, and the circuit board after glue dispensing cannot be immediately processed next step.
The device that current glue on the back circuit board was dried to point is glued can't be quick carries out the drying solidification to glue, especially to the glue that solid-liquid mixes, because the water content of glue is big, and moisture leads to the steam in the stoving chamber too heavy in the evaporation at the in-process that subsequently solidifies, reaches saturated condition even, and influences further drying efficiency. The product installation is insecure under too few circumstances appears easily, appears the pine phenomenon easily under long-time trial, causes the product to need the maintenance, increases extra cost. Therefore, the utility model discloses the main problem of solving is because circuit board point is glued the back, can't accomplish fast and dry, and the due effect of the unable performance of glue leads to the problem that drying efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back quick drying device is glued to circuit board point, the problem of main solution is because circuit board point is glued the back, can't accomplish fast and dry, leads to drying efficiency low, the problem of the due efficiency of the unable performance of glue.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a fast drying device for a circuit board after dispensing,
the circuit board comprises a shell for a circuit board to pass through, wherein the upper side wall of the shell is in an arc shape which is arched upwards, and arc-shaped fins are arranged on the inner wall of the upper side wall of the shell;
the improved PCB heating device is characterized in that a conveying belt for placing the circuit board to move is arranged inside the shell, heating chambers are arranged at the positions, corresponding to the shell, of the two sides above the conveying belt, the heating chambers are provided with air blowing pipes right facing one side of the conveying belt, air inlet pipes are arranged on the other sides of the heating chambers, and air outlet pipes are arranged on the side walls of the shell.
Further, a quick drying device after circuit board point is glued, intake pipe and outlet duct all are provided with the fan for the other end tip of casing.
Furthermore, the heating chambers are correspondingly provided with a plurality of air blowing pipes which are sequentially and uniformly arranged.
Further, the quick drying device for the circuit board after dispensing is characterized in that an air flow groove is formed in the communicating position of the upper side wall of the shell and the air outlet pipe.
Further, a quick drying device after circuit board point is glued, conveyer's downside corresponds the inside transition roller that is provided with of casing.
Further, a quick drying device after circuit board point is glued, be provided with a plurality of electric heating wire in the heating chamber.
The utility model discloses following beneficial effect has:
(1) heating equipment is arranged in the heating chamber and used for heating air in the air inlet pipe, the air is sprayed out of the air blowing pipes, the heated air is favorable for quick drying of glue, the heating chambers on the two sides simultaneously perform air blowing type drying on the circuit board through the air blowing pipes, after air convection impact, the flow speed is slowed down and the circuit board moves upwards, the air flow with water vapor after glue evaporation rises along the arc-shaped upper side wall of the upper side of the shell, finally, the air with water vapor is gathered in the center of the upper side wall of the shell, the air is prevented from being detained in the shell, and the glue evaporation drying speed of the circuit.
(2) The upper side wall of the shell is also provided with fins, the fins improve the contact area of heated air and the shell, the cooling is improved, the airflow containing a large amount of water vapor is rapidly cooled along with the heat absorption of the fins in the process of flowing upwards, part of small droplets are formed and flow downwards along the arc-shaped upper side wall of the shell in a strand mode, the other part of small droplets is discharged out of the shell under the action of the air outlet pipe, and the temperature of the airflow discharged into the air is reduced compared with the existing drying equipment due to the fact that the airflow is properly cooled when being discharged out of the shell.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the utility model discloses structural schematic diagram elevation.
FIG. 2: the utility model discloses the structure chart.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a shell 1, fins 11, a conveying belt 12, a heating chamber 2, an air blowing pipe 21, an air inlet pipe 13, an air outlet pipe 14, a fan 3, an airflow groove 15, a transition roller 16 and an electric heating wire 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 and 2: a quick drying device for a circuit board after dispensing comprises a shell 1 for the circuit board to pass through, wherein the shell is stably placed on a platform, two sides of the shell are open and are respectively used for entering and moving out the circuit board, and a device for drying is arranged in the shell; the upper side wall of the shell 1 is in an arc shape which is arched upwards, and the inner wall of the upper side wall of the shell 1 is provided with an arc-shaped fin 11; the cross section of the upper side wall of the shell is similar to a semicircle, the upper sides of the fins are fixedly connected with the upper side wall of the shell, the fins are arc-shaped and are in arc-shaped transition with the upper side wall of the shell, and the fins extend from the inlet end of the shell to the outlet end of the shell.
The inside conveyer 12 that is provided with the circuit board removal of laying of casing 1, the conveyer corresponds the entering side of casing and the side that shifts out of casing and sets up the carry over pinch rolls respectively, and conveyer cup joints on the carry over pinch rolls, becomes a conveying circulation, and the circuit board is laid on the conveyer, through the inside stoving procedure of casing, accomplishes a whole stoving step, the both sides of conveyer 12 top correspond the position of casing 1 and all are provided with heating chamber 2, heating chamber 2 is just being provided with gas blow pipe 21 to one side of conveyer 12, the opposite side of heating chamber 2 is provided with intake pipe 13, the lateral wall is provided with outlet duct 14 on the casing 1. Be provided with firing equipment in the heating chamber and be arranged in heating the air in the intake pipe, then spout at the gas blow pipe, the air of heating is favorable to the rapid draing of glue, it needs to notice that the bore of intake pipe is greater than the gas blow pipe, because the bore is by big to little, the pressure of air improves, and the air that blows off by the gas blow pipe has certain initial velocity, and the air that flows with higher speed is favorable to the evaporation effect of moisture in the glue.
In the utility model, the heating chambers on both sides simultaneously carry out the drying of both sides air blowing type through the gas blowing pipe to the circuit board, and the gas blowing pipe bilateral symmetry of both sides, in the in-process of blowing, the air current that blows out forms the convection current on the circuit board, the air flow accelerates, the drying efficiency is improved, after the air convection strikes, the velocity of flow slows down and moves upwards, the air current that has the vapor after the glue evaporation rises along the arcuation upper side wall of casing upside, finally gather in the central authorities of casing upper side wall, the casing upper side wall still is provided with the fin, the fin has improved the area of contact of heated air and casing, improve the cooling, the air current that contains a large amount of vapor is in the in-process of flowing upwards, along with the heat absorption rapid cooling of fin, part forms the dribble and flows down along the arcuation upper side wall of casing, and another part is then outside the casing under the effect of outlet duct, the temperature of the air stream discharged into the air is reduced relative to prior drying apparatus.
Through the circulating cooling mode of air inlet at two sides and air outlet at last, air with water vapor is prevented from being detained in the shell, and the evaporation drying rate of the circuit board glue is improved.
As shown in fig. 1: the air inlet pipe 13 and the air outlet pipe 14 are provided with a fan 3 at the other end relative to the casing 1.
The fan communicated with the air inlet pipe is a power device for air inlet to the shell, and the fan of the air outlet pipe is a power device for exhausting gas in the shell, so that air circulation in the shell is realized.
As shown in fig. 2: a plurality of air blowing pipes 21 are correspondingly arranged in the heating chamber 2 and are sequentially and uniformly arranged.
The air blowing pipes blow air heated in the heating chamber to the circuit board, the circuit board completely passes through the inside of the shell to complete the whole drying procedure due to the fact that the heating channel of the shell has a certain length, the air blowing pipes are multiple, air flow heated by the heating chamber is enabled to dry glue on the circuit board in different stages all the time, and drying uniformity is achieved.
As shown in fig. 2: an airflow groove 15 is arranged at the communication position of the upper side wall of the shell 1 and the air outlet pipe 14.
The air flow groove is convenient for concentrating the ascending air flow in the shell and uniformly discharged by the air outlet pipe, so that the air flow is more programmed, the air flow is prevented from touching the upper side wall of the shell, and then the convection phenomenon with the ascending air flow is generated.
As shown in fig. 2: the lower side of the conveyor belt 12 is provided with a transition roller 16 corresponding to the inside of the housing 1.
The filter roll is a plurality of, and arranges in proper order along the moving direction of circuit board in the casing, and the transition roller plays the supporting role to conveyer belt.
As shown in fig. 1: a plurality of electric heating wires 22 are provided in the heating chamber 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a quick drying device after circuit board point is glued which characterized in that:
the circuit board comprises a shell (1) for a circuit board to pass through, wherein the upper side wall of the shell (1) is in an arc shape which is arched upwards, and arc-shaped fins (11) are arranged on the inner wall of the upper side wall of the shell (1);
the utility model discloses a heating device, including casing (1), heating chamber (2) just are provided with gas blow pipe (21) to one side of conveying belt (12), the opposite side of heating chamber (2) is provided with intake pipe (13), the lateral wall is provided with outlet duct (14) on casing (1), conveying belt (12) that the circuit board removed is laid to inside being provided with of casing (1), the position that the both sides of conveying belt (12) top correspond casing (1) all is provided with heating chamber (2).
2. The post-dispensing fast drying device for the circuit board according to claim 1, characterized in that: the air inlet pipe (13) and the air outlet pipe (14) are both provided with a fan (3) relative to the end part of the other end of the shell (1).
3. The post-dispensing fast drying device for the circuit board according to claim 1, characterized in that: the heating chamber (2) is provided with a plurality of air blowing pipes (21) which are correspondingly arranged and are evenly arranged in sequence.
4. The device for rapidly drying the circuit board after dispensing according to any one of claims 1 to 3, wherein: an airflow groove (15) is arranged at the communication position of the upper side wall of the shell (1) and the air outlet pipe (14).
5. The device for rapidly drying the circuit board after dispensing according to any one of claims 1 to 3, wherein: and a transition roller (16) is arranged at the lower side of the conveying belt (12) corresponding to the inside of the shell (1).
6. The post-dispensing fast drying device for the circuit board according to claim 1, characterized in that: a plurality of electric heating wires (22) are arranged in the heating chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343953.9U CN211964886U (en) | 2019-12-22 | 2019-12-22 | Quick drying device after circuit board point is glued |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922343953.9U CN211964886U (en) | 2019-12-22 | 2019-12-22 | Quick drying device after circuit board point is glued |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211964886U true CN211964886U (en) | 2020-11-20 |
Family
ID=73379423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922343953.9U Expired - Fee Related CN211964886U (en) | 2019-12-22 | 2019-12-22 | Quick drying device after circuit board point is glued |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211964886U (en) |
-
2019
- 2019-12-22 CN CN201922343953.9U patent/CN211964886U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20211222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |