CN220776164U

CN220776164U - Baking device for PCB

Info

Publication number: CN220776164U
Application number: CN202322241750.5U
Authority: CN
Inventors: 李宏; 江北
Original assignee: Guangdong Caixiang High Tech Precision Technology Co ltd
Current assignee: Guangdong Caixiang High Tech Precision Technology Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-12
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a baking device for a PCB (printed circuit board), which relates to the technical field of PCB processing, wherein the inner wall of the bottom end of a baking box is fixedly connected with a plurality of groups of supporting legs, the upper ends of the supporting legs are fixedly connected with a U-shaped plate, the left side of the U-shaped plate is provided with a heating mechanism, the right side of the U-shaped plate is provided with a cooling mechanism, the inside of the U-shaped plate is provided with a plurality of groups of clamping mechanisms, the rear side of the U-shaped plate is provided with a transmission mechanism, the top end of the U-shaped plate is provided with a plurality of groups of sliding grooves, and the sliding grooves are used for inserting a drying agent supporting plate; the device is provided with temperature sensor, can last to detect the temperature in the stoving case, surpass the predetermined value when the temperature, opens cooling body, carries out the cooling treatment to the PCB circuit board of clamp, and protection PCB circuit board can not be bad because of the too high roast of temperature, has placed disposable drier on the drier holds in the palm the board simultaneously, can absorb the vapor that toasts out and can not be toasted out by the high temperature, guarantees the drying in the stoving case.

Description

Baking device for PCB

Technical Field

The utility model relates to the technical field of PCB (printed circuit board) processing, in particular to a baking device for a PCB.

Background

The PCB board is a printed circuit board, also called a printed circuit board, and is a provider for electric connection of electronic components, and in the production process of the PCB board, the PCB board needs to be baked, so that the excessive moisture absorbed by the PCB board from the external environment is removed, and the welding effect of the PCB board during processing is improved.

Through searching, the utility model discovers that the PCB circuit board batch even baking equipment with the application number of CN202221458096.2 can enable air in a baking oven to flow through the matching of all parts in a baking structure, so that the baking effect is ensured; be provided with revolution mechanic, can toast the PCB board in batches through the cooperation of each spare part in the revolution mechanic, realize that the PCB board rotates when toasting, guarantee the even heating of PCB board, guarantee the effect of toasting.

However, the temperature of the PCB circuit board needs to be ensured to be in a proper range in the baking process, the temperature in the baking oven is not monitored, the temperature in the baking oven is possibly too high or too low, dehumidification is easy to be incomplete due to too low temperature, the PCB circuit board is easy to be baked due to too high temperature, and the baked water vapor is not treated, so that the humidity in the baking oven is increased due to phase change.

Disclosure of Invention

In order to solve the technical problem, the technical scheme provides a baking device for a PCB circuit board, which solves the problems that the temperature of a baking box is not monitored, the temperature in the baking box is possibly too high or too low, the effect of the PCB baking board is affected, the baked water vapor is not treated, and the humidity in the baking box is increased instead.

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

the baking device for the PCB comprises a baking oven, wherein a plurality of groups of supporting legs are fixedly connected to the inner wall of the bottom end of the baking oven, a U-shaped plate is fixedly connected to the upper ends of the supporting legs, a heating mechanism is arranged on the left side of the U-shaped plate, a cooling mechanism is arranged on the right side of the U-shaped plate, a plurality of groups of clamping mechanisms are arranged in the U-shaped plate, a transmission mechanism is arranged on the rear side of the U-shaped plate, a plurality of groups of sliding grooves are formed in the top end of the U-shaped plate, and the sliding grooves are used for inserting a drying agent supporting plate; the cooling mechanism comprises a mounting frame, the mounting frame is fixedly connected to the surface of the right side plate of the baking box, the filter plate and the fan are mounted on the inner wall of the mounting frame, the fan is located on the left side of the filter plate, an electric gate is arranged on the left side of the fan, and the electric gate is mounted on the right side plate of the baking box and located on the same axis with the fan.

Preferably, the heating mechanism comprises a heating wire, both ends of the heating wire are fixedly connected to the inner side of the fixing frame, the left side of the fixing frame is fixedly connected with the inner wall of the baking oven, and a protective shell fixedly mounted on the inner wall of the baking oven is arranged on the outer side of the heating wire.

Preferably, the clamping mechanism comprises a mounting frame, the front end and the rear end of the mounting frame are rotationally connected with the U-shaped plate through rotating shafts, the inner walls of the left end and the right end of the mounting frame are fixedly connected with telescopic rods, the clamping plates are fixedly connected with the other ends of the telescopic rods, the upper ends of the clamping plates are inclined planes, springs are sleeved on the outer sides of the telescopic rods, and the two ends of each spring are fixedly connected with the inner walls of the mounting frame and the clamping plates respectively.

Preferably, the transmission mechanism comprises a transmission shaft, the right side of the transmission shaft is rotationally connected with the baking box and extends out to be fixedly connected with the output end of the driving motor, the driving motor is fixedly installed on the right side of the baking box, the left side of the transmission shaft is rotationally connected with the inside of the fixing plate, the fixing plate is fixedly connected with the inner wall of the baking box, a plurality of groups of first bevel gears are fixedly installed on the surface of the transmission shaft, the first bevel gears are meshed with the second bevel gears and are connected with a rotating shaft which extends out of the U-shaped plate.

Preferably, a temperature sensor is fixedly arranged at the upper end of the rear side plate of the baking box.

Preferably, a pair of fans are arranged between the U-shaped plate and the heating mechanism, and air outlets of the two fans are opposite to the clamping mechanism.

Preferably, the front end of the baking oven is provided with a double door, and the surface of the double door is provided with an observation window.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a baking device for a PCB (printed Circuit Board). The device is provided with a temperature sensor, so that the temperature in a baking box can be continuously detected, and when the detected temperature exceeds a preset value, a cooling mechanism and an electric gate are opened to cool the clamped PCB, so that the PCB is protected from being baked due to overhigh temperature.

The drying agent supporting plate is arranged, quick lime or similar disposable drying agents are placed on the drying agent supporting plate, so that water vapor baked by the PCB circuit board can be absorbed and cannot be baked out at high temperature, and drying in the baking oven is ensured.

According to the utility model, the clamping mechanism can rotate through the transmission mechanism and is matched with the fan to perform air flow, so that the PCB circuit board can be uniformly heated, and the baking effect is ensured.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model in a left side view;

FIG. 3 is a schematic view of the internal structure of the present utility model from the right side;

FIG. 4 is a schematic view of the internal structure of the present utility model from a top view;

FIG. 5 is a schematic view of the clamping mechanism of the present utility model;

the reference numerals in the figures are:

1. a baking oven; 101. double door; 102. an electric gate; 2. a U-shaped plate; 3. a heating wire; 4. a protective shell; 5. a fan; 6. a clamping mechanism; 601. a mounting frame; 602. a spring; 603. a telescopic rod; 604. a clamping plate; 7. a transmission mechanism; 701. a driving motor; 702. a fixing plate; 703. a transmission shaft; 704. a first bevel gear; 705. a second bevel gear; 8. a temperature sensor; 9. a desiccant tray; 10. a cooling mechanism; 1001. a filter plate; 1002. a blower.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, a baking device for a PCB circuit board comprises a baking oven 1, wherein the inner wall of the bottom end of the baking oven 1 is fixedly connected with a plurality of groups of supporting legs, the upper ends of the supporting legs are fixedly connected with a U-shaped board 2, the left side of the U-shaped board 2 is provided with a heating mechanism, the heating mechanism is electrified to heat for baking the PCB circuit board, the right side of the U-shaped board 2 is provided with a cooling mechanism 10, the temperature of the PCB circuit board needs to be ensured to be in a proper range in the baking process, the cooling mechanism can effectively ensure that the PCB circuit board cannot be baked out due to overhigh temperature, the inside of the U-shaped board 2 is provided with a plurality of groups of clamping mechanisms 6, the rear side of the U-shaped board 2 is provided with a transmission mechanism 7, the PCB circuit board is placed in the clamping mechanism 6, the U-shaped board can rotate through the transmission mechanism 7, the even heating of the PCB circuit board can be ensured, the baking effect is ensured, the top end of the U-shaped board 2 is provided with a plurality of groups of sliding grooves, and the sliding grooves are used for inserting a drying agent supporting board 9; quick lime or similar disposable drier has been placed to drier holds in palm and puts board 9, can toast out vapor absorption and can not be toasted out by the high temperature with the PCB circuit board, guarantee the drying in the stoving case 1, wherein cooling body 10 includes the mounting bracket, mounting bracket fixed connection is in the right side board surface of stoving case 1, filter 1001 and fan 1002 are installed to the inner wall of mounting bracket, filter 1001 can absorb the moisture in the air, guarantee that the wind that fan 1002 blows is dry cooling wind, fan 1002 is located the left side of filter 1001, the left side of fan 1002 is provided with electric gate 102, be in the closed condition under normal condition, will open when inside high temperature, electric gate 102 installs in the right side board of stoving case 1 and is in the same axis with fan 1002, the rear side board upper end fixed mounting of stoving case 1 has temperature sensor 8, detect through setting up temperature sensor 8, detect the temperature in the stoving case 1 continuously, detect the temperature and surpass the predetermined value, open cooling body 10 and electric gate 102, cool down the processing to the PCB circuit board that presss from both sides tightly, the protection circuit board can not be bad because of the high temperature.

Referring to FIG. 2, the heating mechanism includes heater strip 3, the inboard of the equal fixed connection in mount in both ends of heater strip 3, the left side of mount and the inner wall fixed connection of oven 1, the exothermic after the heater strip 3 circular telegram makes the temperature in the oven 1 rise, the outside of heater strip 3 is provided with the protective housing 4 of fixed mounting on the inner wall of oven 1, the protection staff can not scalded by heater strip 3, be provided with a pair of fan 5 between U template 2 and the heating mechanism, the air outlet of two fans 5 just faces clamping mechanism 6, fan 5 carries out the air flow to oven 1, guarantee the even heating of PCB circuit board, guarantee the stoving effect.

Referring to fig. 3-5, the clamping mechanism 6 includes a mounting frame 601, the front and rear ends of the mounting frame 601 are rotatably connected with the U-shaped board 2 through a rotating shaft, the inner walls of the left and right ends of the mounting frame 601 are fixedly connected with a telescopic rod 603, the other end of the telescopic rod 603 is fixedly connected with a clamping plate 604, the upper end of the clamping plate 604 is an inclined plane, a worker can conveniently insert a PCB circuit board into the clamping mechanism 6, springs 602 are sleeved on the outer side of the telescopic rod 603, two ends of each spring 602 are fixedly connected with the inner wall of the mounting frame 601 and the clamping plate 604 respectively, after the PCB circuit board is inserted into the clamping mechanism 6, the springs 602 on two sides are extruded, and meanwhile force is applied to the clamping plate 604, so that the PCB circuit board is clamped between the clamping plates 604.

Referring to fig. 4, the transmission mechanism 7 includes a transmission shaft 703, the right side of the transmission shaft 703 is rotationally connected with the oven 1 and extends out to be fixedly connected with the output end of the driving motor 701, the driving motor 701 is fixedly installed on the right side of the oven 1, the left side of the transmission shaft 703 is rotationally connected with the inside of a fixing plate 702, the fixing plate 702 is fixedly connected with the inner wall of the oven 1, a plurality of groups of first bevel gears 704 are fixedly installed on the surface of the transmission shaft 703, the first bevel gears 704 are in meshed connection with the second bevel gears 705, the second bevel gears 705 are fixedly connected with a rotating shaft extending out of the inside of the U-shaped plate 2, and after the driving motor 701 is started, the clamping mechanism 6 is driven to start rotating through the cooperation of the transmission shaft 703, the first bevel gears 704 and the second bevel gears 705.

The working principle of the utility model is as follows: firstly, a PCB circuit board is placed between two clamping plates, and a worker is enabled to put the PCB circuit board into the clamping plates through extrusion by using the inclined plane at the top of the clamping plates

And then the heating wire is electrified, so that the temperature in the baking oven starts to rise, after the temperature reaches a preset value, the PCB circuit board starts to be baked, the fan and the driving motor are started, and the driving motor starts to rotate through the cooperation of the transmission shaft, the first bevel gear and the second bevel gear, so that the clamping mechanism starts to rotate, the uniform heating of the PCB circuit board is ensured, and the baking effect is ensured.

When the temperature is detected to be too high, the heating wire 3 is closed, the electric gate 102 is opened, the cooling mechanism 10 is started, the PCB circuit board is cooled, and the PCB circuit board is protected from being damaged due to too high temperature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a baking equipment for PCB circuit board, its characterized in that, including baking box (1), the bottom inner wall fixedly connected with of baking box (1) a plurality of groups supporting legs, the upper end fixedly connected with U template (2) of supporting leg, the left side of U template (2) is provided with heating mechanism, the right side of U template (2) is provided with cooling mechanism (10), the internally mounted of U template (2) has a plurality of clamping mechanism (6), the rear side of U template (2) is provided with drive mechanism (7), a plurality of groups spouts have been seted up on the top of U template (2), the spout is used for inserting and establishes drier and holds in palm puts board (9); wherein cooling body (10) include the mounting bracket, mounting bracket fixed connection is in the right side board surface of toasting case (1), filter (1001) and fan (1002) are installed to the inner wall of mounting bracket, fan (1002) are located the left side of filter (1001), the left side of fan (1002) is provided with electric gate (102), electric gate (102) are installed in the right side board of toasting case (1) and are in the same axis with fan (1002).

2. The baking device for a PCB panel of claim 1, wherein: the heating mechanism comprises a heating wire (3), both ends of the heating wire (3) are fixedly connected to the inner side of a fixing frame, the left side of the fixing frame is fixedly connected with the inner wall of a baking box (1), and a protective shell (4) fixedly installed on the inner wall of the baking box (1) is arranged on the outer side of the heating wire (3).

3. The baking device for a PCB panel of claim 1, wherein: clamping mechanism (6) are including installing frame (601), both ends are rotated through pivot and U template (2) and are connected around installing frame (601), both ends inner wall fixed connection in telescopic link (603) about installing frame (601), the other end fixedly connected with clamping plate (604) of telescopic link (603), the upper end of clamping plate (604) is the inclined plane, the outside cover of telescopic link (603) is equipped with spring (602), the both ends of spring (602) are respectively with the inner wall and clamping plate (604) fixed connection of installing frame (601).

4. The baking device for a PCB panel of claim 1, wherein: the driving mechanism (7) comprises a driving shaft (703), the right side of the driving shaft (703) is rotationally connected with the baking box (1) and is fixedly connected with the output end of the driving motor (701), the driving motor (701) is fixedly installed on the right side of the baking box (1), the left side of the driving shaft (703) is rotationally connected with the inside of the fixing plate (702), the fixing plate (702) is fixedly connected with the inner wall of the baking box (1), a plurality of groups of first bevel gears (704) are fixedly installed on the surface of the driving shaft (703), the first bevel gears (704) are meshed with the second bevel gears (705), and the second bevel gears (705) are fixedly connected with rotating shafts extending out of the inside of the U-shaped plates (2).

5. The baking device for a PCB panel of claim 1, wherein: and a temperature sensor (8) is fixedly arranged at the upper end of the rear side plate of the baking box (1).

6. The baking device for a PCB panel of claim 1, wherein: a pair of fans (5) is arranged between the U-shaped plate (2) and the heating mechanism, and air outlets of the two fans (5) are opposite to the clamping mechanism (6).

7. A baking apparatus for a PCB panel according to claim 3, wherein: the front end of the baking box (1) is provided with a double door (101), and an observation window is formed in the surface of the double door (101).