CN221005868U

CN221005868U - Circuit board oven

Info

Publication number: CN221005868U
Application number: CN202322624342.8U
Authority: CN
Inventors: 范小强; 吕万军; 郭洪浩; 聂运峰; 阮明洋; 孙国良; 李豪
Original assignee: Hubei Yongchuangxin Electronics Co ltd
Current assignee: Hubei Yongchuangxin Electronics Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-24
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a circuit board oven which comprises a drying oven body, a supporting plate, an air heater and an air duct, wherein one end of the air duct is fixedly provided with a hot air outlet head, the right side of the drying oven body is fixedly provided with a protective shell, the inner wall of the protective shell is welded with a limiting plate, the upper side of the limiting plate is fixedly provided with a servo motor, the inside of the drying oven body is provided with an inner oven, the left side of the inner wall of the inner oven is rotationally connected with a first telescopic rod, the right end of the first telescopic rod is fixedly provided with a first clamping mechanism, and the right side of the inner wall of the inner oven is rotationally connected with a second telescopic rod. According to the utility model, the hot air is blown into the inner box through the hot air blower to dry the circuit board, the servo motor drives the circuit board to rotate, so that the circuit board is heated uniformly, the drying efficiency is high, scraps can fall into the scraps collecting box to be collected, the baking oven does not need to be cleaned manually, and the practicability of the baking oven for the circuit board is greatly improved.

Description

Circuit board oven

Technical Field

The utility model relates to the technical field of circuit board ovens, in particular to a circuit board oven.

Background

The circuit board is also called a circuit board, a PCB board and a PCB, is an indispensable component in the electronic equipment in the current technological age, has a plurality of functions for electronic products and enables circuit integration, and mainly comprises a bonding pad, a via hole, a mounting hole, a wire, a component, a connector, filling, an electric boundary and the like, and the circuit board needs punching, cutting, printing, exposure, acid cleaning, baking and other procedures in the manufacturing process, wherein the circuit board is generally baked by adopting an oven.

The existing circuit board oven has the following defects in the daily use process:

1. when the existing circuit board oven dries the circuit board, the circuit board is placed at a fixed position, and a heating source of the oven is fixed, so that one surface of the circuit board, which is close to the heating source, is heated faster, and the surface, which is opposite to the heating source, is heated slower, so that the two sides of the circuit board are heated unevenly, and the drying efficiency is low;

2. existing stoving case is at stoving circuit board in-process, has some piece to break away from the circuit board, and the piece that wafts can drop in the stoving case, leads to the fact certain influence to the follow-up use of oven, needs the manual work to clear up the piece of oven bottom, greatly reduced the practicality of circuit board oven, consequently, we propose a neotype circuit board oven.

Disclosure of utility model

The utility model provides a circuit board oven for solving the problems in the background art.

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

the utility model provides a circuit board oven, includes stoving case body, the left side fixed mounting of stoving case body has the backup pad, the upside fixed mounting of backup pad has the air heater, the output fixedly connected with air duct of air heater, the one end fixed mounting of air duct has the steam to go out the mouth, the right side fixed mounting of stoving case body has the protective housing, the inner wall welding of protective housing has the limiting plate, the upside fixed mounting of limiting plate has servo motor, the inside of stoving case body is provided with the inner box, the left side of inner box inner wall rotates and is connected with first telescopic link, the right-hand member fixed mounting of first telescopic link has first fixture, the right side of inner box inner wall rotates and is connected with the second telescopic link, the left end fixed mounting of second telescopic link has second fixture, the front hinged joint of stoving case body has the chamber door, the center department fixed mounting at stoving case body top has the exhaust mouth, the bottom sliding connection of inner box inner wall has the piece to collect the box.

As a further improvement scheme of the technical scheme: foot seats are welded at four corners of the bottom of the drying box body.

As a further improvement scheme of the technical scheme: the downside of backup pad fixed mounting has the oblique bracing piece.

As a further improvement scheme of the technical scheme: the air outlet end of the air duct is provided with three air outlet ports, wherein each air outlet port is fixedly provided with a hot air outlet head, and the hot air outlet heads are arranged in the inner box.

As a further improvement scheme of the technical scheme: the top of the inner box is provided with exhaust ports which are uniformly distributed.

As a further improvement scheme of the technical scheme: the first clamping mechanism and the second clamping mechanism are both composed of a concave limiting frame and a fastening knob, wherein the fastening knob is in threaded connection with the concave limiting frame, and an extrusion backing plate is fixedly arranged at the lower end of the fastening knob.

As a further improvement scheme of the technical scheme: the outside of first telescopic link and second telescopic link all threaded connection has length adjustment knob, and wherein servo motor's output fixed mounting has the second telescopic link, and the one end fixed mounting of first telescopic link has the bearing.

As a further improvement scheme of the technical scheme: and a dust filter screen is fixedly arranged in the exhaust pipe orifice.

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

1. The hot air blower 3 blows hot air into the inner box 9, the circuit board is dried by the hot air, and the servo motor 8 drives the circuit board to rotate and dry, so that the circuit board is heated uniformly, and the drying efficiency is high;

2. In the process of drying the circuit board, the scraps on the circuit board fall, the flying scraps can fall into the scraps collecting box 16, unified collection of scraps is carried out, a manual cleaning oven is not needed, only scraps in the box need to be poured, and the practicability of the circuit board oven is greatly improved.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

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

FIG. 2 is a schematic view of a servo motor structure of the present utility model;

fig. 3 is a schematic view of the structure of the airway tube of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. A drying box body; 2. a support plate; 3. an air heater; 4. an air duct; 5. a hot gas outlet head; 6. a protective shell; 7. a limiting plate; 8. a servo motor; 9. an inner box; 10. a first telescopic rod; 11. a first clamping mechanism; 12. a second telescopic rod; 13. a second clamping mechanism; 14. a door; 15. an exhaust pipe orifice; 16. and a debris collection box.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, in an embodiment of the present utility model, a circuit board oven includes a drying box body 1, a support plate 2 is fixedly installed on the left side of the drying box body 1, an air heater 3 is fixedly installed on the upper side of the support plate 2, an air duct 4 is fixedly connected to the output end of the air heater 3, a hot air outlet head 5 is fixedly installed at one end of the air duct 4, a protective shell 6 is fixedly installed on the right side of the drying box body 1, a limiting plate 7 is welded on the inner wall of the protective shell 6, a servo motor 8 is fixedly installed on the upper side of the limiting plate 7, an inner box 9 is arranged in the drying box body 1, a first telescopic rod 10 is rotatably connected to the left side of the inner wall of the inner box 9, a first clamping mechanism 11 is fixedly installed on the right side of the first telescopic rod 10, a second clamping mechanism 13 is fixedly installed on the left side of the second telescopic rod 12, a box door 14 is hinged to the front side of the drying box body 1, an exhaust pipe orifice 15 is fixedly installed at the center of the top of the drying box body 1, and a debris collecting box 16 is slidably connected to the bottom of the inner wall of the inner box 9.

Referring to fig. 1 to 3, feet are welded at four corners of the bottom of the drying box body 1, and the drying box body 1 is supported by the feet.

Referring to fig. 1-3, the lower side of the support plate 2 is fixedly provided with an inclined support rod, and the bearing capacity of the support plate 2 is enhanced by the inclined support rod, so that the support plate is more durable.

Referring to fig. 3, the air outlet end of the air duct 4 is provided with three air outlet ports, wherein each air outlet port is fixedly provided with a hot air outlet head 5, the hot air outlet head 5 is arranged in the inner box 9, and hot air is introduced through the hot air outlet head 5, so that the circuit board is dried conveniently.

Referring to fig. 2-3, the top of the inner box 9 is provided with uniformly distributed exhaust ports, through which water vapor on the circuit board is conveniently discharged.

Referring to fig. 2-3, the first clamping mechanism 11 and the second clamping mechanism 13 are both composed of a concave limiting frame and a fastening knob, wherein the fastening knob is in threaded connection with the concave limiting frame, an extrusion pad is fixedly arranged at the lower end of the fastening knob, and the circuit board is clamped and fixed through the cooperation of the concave limiting frame and the fastening knob.

Referring to fig. 2-3, the outer sides of the first telescopic rod 10 and the second telescopic rod 12 are both in threaded connection with a length adjusting knob, wherein the second telescopic rod 12 is fixedly installed at the output end of the servo motor 8, a bearing is fixedly installed at one end of the first telescopic rod 10, and the servo motor 8 drives the second telescopic rod 12 to rotate by enabling the first telescopic rod 10 to rotate under the action of the bearing.

Referring to fig. 1 to 3, a dust filter screen is fixedly installed in the exhaust nozzle 15, and external dust can be prevented from entering the drying box body 1 through the dust filter screen.

The working principle of the utility model is as follows: when using this oven to dry the circuit board, at first open chamber door 14, adjust the length of first telescopic link 10 and second telescopic link 12 according to the circuit board size, after length adjustment is accomplished, rotate length adjustment knob and fix the length, place first fixture 11 and inside second fixture 13 respectively to the both ends about the circuit board again, rotate fastening knob and fix the circuit board on first fixture 11 and second fixture 13, close chamber door 14, start air heater 3, the hot-blast transportation of air heater 3 through air duct 4, it is discharged into inner box 9 to transport hot gas outlet mouth 5, utilize hot-blast to dry the circuit board, start servo motor 8 again simultaneously, servo motor 8 rotates and drives second telescopic link 12 and rotate simultaneously, and first telescopic link 10 rotates in step, and then drive the circuit board and rotate and dry, make the circuit board heated evenly, drying efficiency is high, the vapor in the stoving process can inner box 9 the exhaust port at top, discharge port 15 from the exhaust pipe orifice 15 to the external world, in the circuit board in-process of drying, the piece that drops on the circuit board, the piece that drops on the circuit board that drops, the piece that drops can not drop in the box 16 need to dry the box, the piece is collected in order to collect the piece that the manual piece is just need to dry the box, the box is removed after the piece is well, the piece is collected in order to dry the box is finished, the piece is well, the piece is just need to be removed in the oven to be well, and the piece is well-dried.

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; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a circuit board oven, its characterized in that, including stoving case body (1), the left side fixed mounting of stoving case body (1) has backup pad (2), the upside fixed mounting of backup pad (2) has air heater (3), the output fixedly connected with air duct (4) of air heater (3), the one end fixed mounting of air duct (4) has steam outlet mouth (5), the right side fixed mounting of stoving case body (1) has protective housing (6), the inner wall welding of protective housing (6) has limiting plate (7), the upside fixed mounting of limiting plate (7) has servo motor (8), the inside of stoving case body (1) is provided with inner box (9), the left side rotation of inner wall of inner box (9) is connected with first telescopic link (10), the right side fixed mounting of first telescopic link (10) has first fixture (11), the right side rotation of inner wall of inner box (9) is connected with second telescopic link (12), the right side fixed mounting of second telescopic link (12) has protective housing (6), the upside fixed mounting of second left side (7) has servo motor (8), the front of stoving case body (14) is connected with positive centre of drying box (1), the bottom of the inner wall of the inner box (9) is connected with a scrap collecting box (16) in a sliding way.

2. A circuit board oven according to claim 1, characterized in that feet are welded at four corners of the bottom of the oven body (1).

3. A circuit board oven according to claim 1, characterized in that the underside of the support plate (2) is fixedly provided with oblique support bars.

4. A circuit board oven according to claim 1, characterized in that the air outlet end of the air duct (4) is provided with three air outlet ports, wherein each air outlet port is fixedly provided with a hot air outlet head (5), and the hot air outlet head (5) is arranged in the inner box (9).

5. A circuit board oven according to claim 1, characterized in that the top of the inner box (9) is provided with evenly distributed exhaust openings.

6. A circuit board oven according to claim 1, characterized in that the first clamping mechanism (11) and the second clamping mechanism (13) are both composed of a concave limiting frame and a fastening knob, wherein the fastening knob is in threaded connection with the concave limiting frame, and an extrusion pad is fixedly arranged at the lower end of the fastening knob.

7. A circuit board oven according to claim 1, characterized in that the outer sides of the first telescopic rod (10) and the second telescopic rod (12) are both in threaded connection with a length adjusting knob, wherein the second telescopic rod (12) is fixedly arranged at the output end of the servo motor (8), and a bearing is fixedly arranged at one end of the first telescopic rod (10).

8. A circuit board oven according to claim 1, characterized in that the inside of the exhaust nozzle (15) is fixedly fitted with a dust filter screen.