CN210042441U - Multilayer circulation baffle type circuit board drying box - Google Patents

Abstract

The utility model discloses a multilayer circulating clapboard type circuit board drying box, which comprises a drying box body and a stainless steel pushing frame; the drying push frame is arranged in the drying box body; the drying pushing frame comprises a frame and a plate placing groove frame, the plate placing groove frame is fixedly connected with the frame and inclines downwards, at least one group of plate placing groove frame groups are fixedly arranged on the inner side of the drying pushing frame, and each group of plate placing groove frame groups are provided with at least two plate placing groove frames at intervals. The number of circuit boards to be dried in one time of the drying box is increased through at least one group of board placing groove frame groups arranged on the drying push frame, so that the drying efficiency of the drying box is improved; in addition, the plate placing groove frames are arranged at intervals and are fixedly connected with the frame, and the plate placing groove frames are inclined downwards so as to facilitate heated air circulation and improve the space utilization rate of the drying push frame; the interval that sets up between putting the board cell-rack is convenient for the heat circulation, and then fully heats the object of being arranged on it and until the stoving, further improves drying efficiency.

Description

Multilayer circulation baffle type circuit board drying box

[ technical field ] A method for producing a semiconductor device

The utility model relates to a printed wiring board technical field specifically is a multilayer circulation iris type circuit board stoving case.

[ background of the invention ]

Printed circuit boards have been widely used in the field of electronic components as carriers of electronic components to realize electrical connection between the electronic components. In reality, in the production process of the printed circuit board, a dryer is needed to dry and dehumidify the printed circuit board; the circuit board drying-machine that has in the past is used for placing the objective table low-usage of circuit board, the circuit board contact takes place easily, if need dry a plurality of circuit boards simultaneously, a plurality of circuit boards stack together usually, not only the face collides very easily and scrapes the flower, and the heating is inhomogeneous moreover, and it is not enough to dry, and is more consuming time power, and the stoving speed is slow, and is inefficient, need wait for a period of time after the stoving, and stoving incasement portion temperature after drying is often higher otherwise, takes place the scald accident very easily, and the security is poor.

[ Utility model ] content

An object of the utility model is to provide a multilayer circulation iris type circuit board stoving case solves current drying equipment drying efficiency low, the easy collision scrapes the flower, the heating is inhomogeneous, dry insufficient problem.

In order to solve the above problem, the utility model provides a technical scheme as follows: a multilayer circulating clapboard type circuit board drying box comprises a drying box body and a drying pushing frame; the drying push frame is arranged in the drying box body; the drying pushing frame comprises a frame and plate placing groove frames, the plate placing groove frames are fixedly connected with the frame and incline downwards, at least one plate placing groove frame groove group is fixedly arranged on the inner side of the drying pushing frame, and at least two plate placing groove frames are arranged in each plate placing groove frame group at intervals.

The plate placing groove frames are arranged on the drying pushing frame, and the plate placing groove frames are arranged on the drying pushing frame.

The separation bracket is made of a flexible steel plate.

The plate placing groove frame set is provided with six groups, each group of the plate placing groove frame set is provided with eight plate placing groove frames, and each plate placing groove frame is internally provided with two separating supports.

The plurality of separating supports and the plate placing groove frame form a plurality of separating grooves, and the tail ends of the separating grooves, which are far away from the carrying platform, are notches which are gradually enlarged outwards.

The plate placing groove frame and the frame form an included angle of 30-50 degrees, and a plurality of air exchange ports are arranged on the frame.

The drying box is also provided with an air heating box which is used for heating air and conveying the air to the drying box body, and the air heating box is connected with the inside of the drying box body through an air inlet pipe.

The air heating box and the drying box body are fixedly connected to the upper portion of the drying box body.

Handles are respectively arranged on two sides of the drying push frame, or holding holes are respectively arranged in the front and the back of two sides of the drying push frame.

The drying box body is further provided with a door for sealing the drying box body, and heat-resistant transparent glass is arranged on the door.

Compared with the prior art, the utility model discloses a multilayer circulation iris type circuit board stoving case has following advantage:

the multi-layer circulating clapboard type circuit board drying box increases the number of circuit boards to be dried by a single drying box through at least one group of board placing groove frame groups arranged on the drying pushing frame, so as to improve the drying efficiency of the drying box; in addition, the plate placing groove frames are arranged at intervals and fixedly connected with the frame, and the plate placing groove frames are inclined downwards, so that heated air can circulate conveniently, and the space utilization rate of the drying push frame can be improved; the interval that sets up between putting the board cell-rack is convenient for the heat circulation, and then fully heats the object of being arranged on it and until the stoving, further improves drying efficiency.

[ description of the drawings ]

Fig. 1 is a perspective view of embodiment 1 of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic structural view of a slab-placing slot frame according to embodiment 1 of the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 3.

Fig. 5 is a front view of the drying pushing frame of embodiment 1 of the present invention.

Fig. 6 is a left side view of the drying rack according to embodiment 2 of the present invention.

[ detailed description ] embodiments

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1 to 5, the present embodiment provides a multi-layer circulation partition board type circuit board drying box, which includes a drying box body 1 and a drying pushing frame 2; the drying box body 1 is further provided with a door 11 for sealing the drying box, in the embodiment, the door 11 has two leaves, and the two leaves are respectively hinged on the drying box body 1 and can be opened in opposite directions, so that the drying box body 1 is sealed; two heat-resistant transparent glass 111 are respectively arranged on the two doors 11, in the embodiment, the two heat-resistant transparent glass 111 are symmetrically arranged, see fig. 1, and the drying condition of the circuit board 3 in the drying box can be observed through the heat-resistant transparent glass. Of course, the door 11 may be provided as one piece, which only needs to play a role of closing the drying box body without affecting the drying operation. Still be equipped with temperature display dish 12 and switch 13 on the outer wall of stoving case body 1, switch 13 is used for control opening of air heating case 16 stops, temperature display dish 12 is used for showing air heating case 16 is with the real-time temperature of air heating, is convenient for look over the temperature of stoving case or whether the temperature by heated air reaches predetermined temperature at any time. The air heating box is connected with an external power supply through a power line 14, and supplies power to the air heating box. Preferably, two grooves 15 are further formed in the bottom end of the drying box body 1, the grooves 15 are close to the two doors, an arc surface 17 is arranged at one end of each of the two opposite doors, and the arc surface 17 is arranged on the drying box body 1.

The drying pushing frame 2 is arranged in the drying box body 1, the drying pushing frame 2 comprises a frame 21 and a plate placing groove frame 23, the plate placing groove frame 23 is fixedly connected with the frame 21 and inclines downwards, the plate placing groove frame 23 and the frame 21 form an included angle of 30-50 degrees, heated air can flow circularly, and meanwhile the space utilization rate of the drying pushing frame can be improved. At least one group of plate placing groove frame groups 24 are fixedly arranged on the inner side of the drying push frame 2, at least two plate placing groove frames 23 are arranged on each group of plate placing groove frame groups 24 at intervals, namely, a certain distance is formed between every two adjacent plate placing groove frames 23 of each group, for example, the distance is 5 cm, 3 cm, 7 cm and the like, so that the circulation and the circulation of hot air are facilitated, and the specific distance can be set according to the requirement of air circulation and the utilization rate of the inner space of the drying box body; through locating at least a set of board groove frame group of putting on the stoving pushing away frame increases the quantity of stoving case single stoving circuit board 3 to improve the drying efficiency of stoving case.

The drying pushing frame 2 further comprises a roller 22 arranged at the lower part of the frame 21, the drying pushing frame 2 is convenient to move, particularly, the cambered surface 17 is convenient for the drying pushing frame 2 to be pushed into the groove 15 on the drying box body 1 through the roller 22, and the groove 15 plays a role in limiting the drying pushing frame to move in the drying box body. Every put the inside of board cell frame 23 and be equipped with a plurality of separation support 231, every put the inside of board cell frame 23 and separate and form the space of size etc. with a plurality of separation supports 231, through putting the certain distance that sets up between the board cell frame and separate between the support, the better circulation of hot-air of being convenient for, the circuit board 3 that will place wherein is separated to the separation support that sets up the certain distance simultaneously, is difficult for piling up collision scratch together, see fig. 3 and fig. 4. The partition bracket 231 may limit a moving space of the circuit board 3 placed therebetween, and the partition bracket 231 is made of a flexible steel plate that allows the partition bracket 231 to slightly swing with the movement of the circuit board 3 without colliding the circuit board 3 with an adjacent circuit board. The plurality of separating brackets 231 and the board placing groove frame 23 form a plurality of separating grooves 235, the tail ends of the separating grooves 235 far away from the placing table 232 are notches which are gradually enlarged outwards, so that the circuit boards 3 can be placed on the board placing groove frame conveniently, specifically, when the circuit boards 3 are placed, one ends of the circuit boards 3 close to the placing table are firstly contacted with the separating brackets with larger notches and then slide along one sides of the separating brackets, the circuit boards 3 slide to the innermost notches along with the gradual reduction of the notches at the ends of the separating brackets close to the placing table, then the circuit boards 3 are descended and contacted with the bracket, the circuit boards 3 are placed on the board placing groove, and at the moment, the function of limiting the excessive movement of the circuit boards 3 is achieved, the moving range of the circuit boards 3 is reduced, and the drawing 4 is referred.

The tail end of the board placing groove frame 23 is provided with a placing platform 232, the placing platform 232 is provided with a tightening handle 232a, the lower end face of the placing platform 232 is provided with a bent bracket 232b, the bracket 232b is bent towards one end of the drying push frame 2, and when a circuit board is placed on the board placing groove frame, the bracket at the lower end of the placing platform bears the gravity of the circuit board and supports the circuit board to prevent the circuit board from falling. In this embodiment, the plate placing slot frame 23 and the frame 21 form an included angle of 30 ° so as to maximize the utilization of the space inside the drying box body; of course, put board cell rack 23 with drying push away can also form more than 30 and be less than 50 contained angles between the frame 2, the air circulation of being convenient for to be heated, improve drying and push away the space utilization of frame, increase drying efficiency and conveniently put the board can. The board placing groove frame groups 24 are provided with six groups, namely the drying push frame 2 is provided with six groups of board placing groove frame groups 24 which are oppositely arranged on the drying push frame from bottom to top, as shown in the attached figure 5, each group of board placing groove frame groups 24 is provided with eight board placing groove frames 23, and the number of circuit boards dried by the drying box at one time is increased through the six groups of board placing groove frame groups arranged on the drying push frame so as to improve the drying efficiency of the drying box; through a certain distance between the board placing groove frames and the separating supports, hot air can circulate better, so that the circuit board is heated uniformly and dried fully; two separating brackets 231 are arranged inside each board placing groove frame 23 to separate the circuit boards placed therein, so that the circuit boards are not easy to stack together and are not easy to collide and scrape, and the separating brackets are shown in figures 1, 3, 4 and 5.

The stoving case still is equipped with and is used for heated air and carries it the air heating case 16 in the stoving case body 1, the air heating case is used for the temperature that heated air to stoving circuit board needs, air heating case 16 through intake pipe 161 with the internal connection of stoving case body 1, through intake pipe 161 air to the stoving case body 1 of carrying to be heated, the hot-air homodisperse of incessantly circulating is inside the stoving case body, makes the object surface of being arranged in wherein be heated more fully, even.

In this embodiment, the air heating box 16 and the drying box body 1 are fixedly connected to the upper portion of the drying box body 1, specifically, the air heating box is disposed at the rear end of the top of the drying box body 1, so that the distance from the heated air to the drying box body is shortened, and the loss of heat in the conveying process is reduced, as shown in fig. 1. Of course, the air heating box can also be arranged beside the drying box body 1, so that the air heating box can heat air and then convey the air into the drying box body. The circuit board 3 is arranged in the object, and as shown in the attached figures 3 and 4, the heat is transferred through air molecules which are heated to the set temperature and do not stop thermal motion, and the circuit board arranged in the object is heated until being dried, so that the aim of dehumidification is fulfilled; the frame 21 is provided with the plurality of ventilation ports 211, the ventilation ports 211 are convenient for the further circulation flow of hot air in the drying box body 1, after drying is completed, hot air in the drying box can be quickly discharged, then the drying box is quickly cooled, and the temperature of the drying box body can be reduced by needing a long cooling time unlike the drying box with a heating device arranged in the drying box body, so that the cooling time of the drying box body is reduced, and the drying efficiency of the drying box is improved. Handles 233 are respectively disposed at both sides of the drying rack 2 to facilitate pushing or pulling the drying rack during drying, as shown in fig. 5.

In the embodiment, the number of the circuit boards for single drying is increased by arranging six groups of opposite board placing frame slot resistors on the drying pushing frame in the sequence from bottom to top, so that the utilization efficiency of the drying box is improved; the air is heated by the heating box, then the heated air is input into the drying box body through the air inlet pipe connected with the inside of the drying box body, and the continuously circulating hot air is uniformly dispersed in the drying box body, so that the surface of the circuit board arranged on the drying push frame is heated more fully and uniformly, and the heated object is uniformly heated and fully dried; after the stoving is accomplished, the inside hot-air of stoving incasement portion can discharge very fast, then stoving case rapid cooling, need not like heating device sets up the cooling time that needs very of a specified duration at this internal stoving case of stoving case, has reduced the cooling time of stoving case itself to improve the drying efficiency of stoving case. A certain distance is arranged between the plate placing groove frames and between the separating brackets of the plate placing groove frames to form a fixed interval, so that heated air can be circulated better; meanwhile, the circuit boards placed in the separation bracket are separated by the separation bracket with a certain distance, so that the circuit boards are not easy to stack together and collide to scrape flowers. The plate placing groove frame on the drying pushing frame and the hot air drying mode are combined together, and the drying efficiency of the drying box is further improved.

Example 2: this embodiment is basically the same as embodiment 1, and for the sake of convenience, only the difference between the main structure thereof and embodiment 1 will be described. The parts not described in this example are the same as example 1, except that: as shown in fig. 6, the structure of the drying pushing rack for pushing or pulling the drying pushing rack during the drying process is that the front and the back of the two sides of the drying pushing rack 2 are respectively provided with a holding hole 234, so that the drying pushing rack is convenient to push or pull in the front and the back directions, and simultaneously, the material for manufacturing the drying pushing rack is saved.

The multi-layer circulating clapboard type circuit board drying box increases the number of circuit boards to be dried at a single time through one or more groups of board placing frame grooves arranged on the drying pushing frame, and improves the utilization efficiency of the drying box; the air is heated by the air heating box, then the heated air is input into the drying box body through the air inlet pipe connected with the inside of the drying box body, and the continuously circulating hot air is uniformly dispersed in the drying box body, so that the surface of an object placed in the drying box body is heated more fully and uniformly, and the heated object is uniformly heated and fully dried; after the stoving is accomplished, the inside hot-air of stoving incasement portion can discharge very fast, then stoving case rapid cooling, need not like heating device sets up the cooling time that needs very much of a specified duration at this internal stoving case of stoving case, has reduced the cooling time of stoving case itself to further improve the drying efficiency of stoving case. A certain distance is arranged between the plate placing groove frames and between the separating brackets of the plate placing groove frames to form a fixed small space, so that heated air can be circulated better; meanwhile, the circuit boards placed in the separating bracket are separated by the separating bracket with a certain distance, so that the circuit boards are not easy to stack together and collide to scrape flowers; the plate placing groove frame on the drying pushing frame is combined with the hot air drying mode, the time required by the drying process is shortened while the single drying quantity is improved, and the drying efficiency of the drying box is further improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A multilayer circulating clapboard type circuit board drying box comprises a drying box body (1) and a drying push frame (2); the drying push frame (2) is arranged in the drying box body (1); the method is characterized in that: stoving pushes away frame (2) and includes frame (21) and puts board truss (23), put board truss (23) with frame (21) fixed connection and downward sloping, stoving pushes away frame (2) inboard fixed being equipped with at least a group and puts board truss group (24), every group put board truss group (24) interval and set up two at least put board truss (23).

2. A multi-layer circulation baffle type circuit board drying box as claimed in claim 1, wherein: a plurality of separating supports (231) are arranged inside each plate placing groove frame (23), a carrying table (232) is arranged at the tail end of each plate placing groove frame (23), an elastic handle (232a) is arranged on the carrying table (232), a bent bracket (232b) is arranged on the lower end face of the carrying table (232), and the bracket (232b) is bent towards one end of the drying push frame (2).

3. A multi-layer circulation baffle type circuit board drying box as claimed in claim 2, wherein: the partition bracket (231) is made of a flexible steel plate.

4. A multi-layer circulation baffle type circuit board drying box as claimed in claim 2, wherein: put board cell frame group (24) and be equipped with six groups, every group put board cell frame group (24) and be equipped with eight put board cell frame (23), every it is equipped with two to put board cell frame (23) inside separate support (231).

5. A multi-layer circulation baffle type circuit board drying box as claimed in claim 2, wherein: the plurality of separating brackets (231) and the plate placing groove frame (23) form a plurality of separating grooves (235), and the tail ends of the separating grooves (235) far away from the carrying platform (232) are notches which are gradually enlarged outwards.

6. A multi-layer circulation baffle type circuit board drying box as claimed in claim 1, wherein: the plate placing groove frame (23) and the frame (21) form an included angle of 30-50 degrees, and a plurality of air exchange ports (211) are arranged on the frame (21).

7. A multi-layer circulation baffle type circuit board drying box as claimed in claim 1, wherein: the drying box is also provided with an air heating box (16) used for heating air and conveying the air into the drying box body (1), and the air heating box (16) is connected with the inside of the drying box body (1) through an air inlet pipe (161).

8. A multi-layer circulation baffle type circuit board drying box according to claim 7, characterized in that: the air heating box (16) and the drying box body (1) are fixedly connected to the upper part of the drying box body (1).

9. The drying box for the multi-layer circulating partition plate type circuit board as claimed in any one of claims 1 to 8, wherein: handles (233) are respectively arranged on two sides of the drying push frame (2) or holding holes (234) are respectively arranged in the front and at the back of two sides of the drying push frame (2).

10. A multi-layer circulation baffle type circuit board drying box according to claim 9, wherein: the drying box is characterized in that a door (11) used for sealing the drying box is further arranged on the drying box body (1), and heat-resistant transparent glass (111) is arranged on the door (11).

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