Heat absorption device of circuit board drying oven

Abstract

The utility model relates to the technical field of circuit boards, in particular to a circuit board drying oven heat absorption device which comprises a heat absorption assembly, an exhaust fan is arranged above the heat absorption assembly, the output end of the exhaust fan is fixedly communicated with an exhaust pipe, a side suction assembly is arranged on the inner wall of the heat absorption assembly, a sealing plug is arranged in the heat absorption assembly, and the exhaust pipe is fixedly communicated with the side suction assembly. The heat absorption assembly comprises a heat absorption box body, and a set of first heat absorption holes are formed in the bottom face of the heat absorption box body. According to the device, the exhaust fan is arranged to cooperate with the heat absorption box body, the air pressure in the heat absorption box body can be reduced, then the first heat absorption holes can absorb hot air below through the air pressure difference, and by means of through holes, the air pressure in the heat absorption square pipes and the air pressure in the heat absorption box body can be synchronously reduced; the second heat absorption holes can absorb heat on the side edge of the oven door, hot air is effectively prevented from gushing out from the side when the oven door is opened during use, the absorption efficiency of the hot air is guaranteed, and the risk that workers are scalded by the hot air is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board technical field especially a circuit board oven heat absorption device. BACKGROUND

[0002] The circuit board is mainly composed of insulating bottom plate, copper foil circuit and mounting hole, solder pad and the like of various electronic components, and its basic principle is to etch the copper foil circuit on the substrate of insulating material, which is used to connect various electronic components such as integrated circuit chip, resistor, capacitor and the like, just like the pre-laid road network in city planning, and the electronic components are like buildings in the city, and the signal transmission and power supply between them are realized through these 'roads' (circuit), and the oven is needed to be used for heat absorption in the process of processing the circuit board.

[0003] Through the search, the China patent with publication number CN217715683U discloses a kind of circuit board oven heat absorption device, including: oven, door, position sensor, exhaust fan, gas collecting hood, exhaust pipe and controller;The front side of the oven is provided with entrance and exit, and the inner cavity of the oven is used to place circuit board;The door is hinged with the entrance and exit, and the position sensor is fixed on the front side of the oven, for detecting the position of the door;The gas collecting hood is fixedly connected with the oven, and located above the door plate;The inlet of the exhaust fan is communicated with the gas collecting hood, and the outlet of the exhaust fan is communicated with the exhaust pipe;The controller is electrically connected with the position sensor, exhaust fan.This utility model has the advantages that when the position sensor detects that the door is opened, the controller controls to start the exhaust fan, quickly absorbs the hot gas from the oven, and the hot gas is discharged outward by the gas collecting hood through the exhaust pipe, effectively reduces the waiting time of staff, and improves production efficiency.

[0004] The above scheme can absorb hot gas when used, but there are still some deficiencies in actual use, for example, when the oven door is opened, it is generally opened from one side, and the hot gas in the oven is quickly discharged from the opened side when opened, but the above scheme only inhales air above the door, which leads to a large amount of hot gas being discharged to the side when the door is opened, so that the absorption effect of hot gas is poor.

[0005] Therefore, we propose a kind of circuit board oven heat absorption device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of circuit board oven heat absorption device to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A circuit board oven heat absorption device, including heat absorption assembly, the top of heat absorption assembly is provided with exhaust fan, the output end of exhaust fan is fixedly connected with exhaust pipe, the inner wall of heat absorption assembly is equipped with side suction assembly, the inside of heat absorption assembly is equipped with sealing plug.

[0009] In further embodiments, the heat absorption assembly includes a heat absorption box, a group of first heat absorption holes are opened in the bottom surface of the heat absorption box, two T-shaped grooves are opened in the bottom surface of the heat absorption box, a through hole is opened in the inner top wall of each T-shaped groove, the sealing plug extends into one of the through holes, and the input end of the exhaust fan is fixedly connected with the upper surface of the heat absorption box.

[0010] In further embodiments, the side suction assembly includes a heat absorption square tube arranged below the heat absorption assembly, the heat absorption square tube is located in one of the T-shaped grooves, a group of second heat absorption holes are opened in the right side surface of the heat absorption square tube, baffles are fixedly connected to the left and right side surfaces of the heat absorption square tube, two first hole positioning blocks are fixedly connected to the bottom surface of the heat absorption box, a second hole positioning block is fixedly connected to the left side surface of the heat absorption square tube, and the inner walls of the second hole positioning block and one of the first hole positioning blocks are threadedly connected with a threaded rod.

[0011] In further embodiments, the left and right side surfaces of the heat absorption box are fixedly connected with mounting side plates, and two mounting holes are opened in the front surface of each mounting side plate.

[0012] In further embodiments, a group of air suction covers are arranged below the heat absorption box, the output ends of a group of first heat absorption holes are fixedly connected with a group of air suction covers, and two L-shaped limiting plates are fixedly connected to the bottom surface of the heat absorption box.

[0013] In further embodiments, a groove is opened in the upper surface of the heat absorption square tube, and a sealing ring is fixedly installed in the inner wall of the groove.

[0014] Compared with the prior art, the device has the following advantages:

[0015] The device can reduce the air pressure in the heat absorption box by cooperating the exhaust fan with the heat absorption box, so that the first heat absorption holes can absorb the hot air below by the pressure difference, and the air pressure in the heat absorption square tube will decrease synchronously with the air pressure in the heat absorption box by the through hole, which enables the second heat absorption holes to absorb the heat on the side of the oven door, effectively preventing the hot air from flowing out from the side when the oven door is opened, effectively ensuring the heat absorption efficiency of the hot air and reducing the risk of hot air burns for the workers.

[0016] The device can flexibly adjust the position of the heat absorption square tube according to the opening direction of the oven door, effectively guarantee the full absorption of hot air, and close the idle through hole by means of the sealing plug, so that the internal pressure of the heat absorption square tube and the internal pressure of the heat absorption box body are consistent. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the heat absorption device for the circuit board oven.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the heat absorption device for the circuit board oven.

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the heat absorption device for the circuit board oven.

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the heat absorption device for the circuit board oven.

[0021] In the figure: 1, heat absorption assembly; 101, heat absorption box body; 102, T-shaped groove; 103, mounting side plate; 104, first heat absorption hole; 105, through hole; 2, air extractor; 3, exhaust pipe; 4, side suction assembly; 401, heat absorption square tube; 402, second heat absorption hole; 403, second hole positioning block; 404, threaded rod; 405, first hole positioning block; 406, baffle; 407, groove; 408, sealing ring; 5, air suction cover; 6, sealing plug; 7, L-shaped limiting plate. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 In the present application, a heat absorption device for a circuit board oven comprises a heat absorption assembly 1, an air extractor 2 is arranged above the heat absorption assembly 1, an exhaust pipe 3 is fixedly connected to the output end of the air extractor 2, a side suction assembly 4 is arranged on the inner wall of the heat absorption assembly 1, and a sealing plug 6 is arranged inside the heat absorption assembly 1.

[0024] As Figure 1 , Figure 2 and Figure 3As shown, the heat absorption assembly 1 includes a heat absorption box 101, a group of first heat absorption holes 104 are opened on the bottom surface of the heat absorption box 101, two T-shaped grooves 102 are opened on the bottom surface of the heat absorption box 101, a through hole 105 is opened on the inner top wall of each T-shaped groove 102, the sealing plug 6 extends to the inside of one of the through holes 105, the input end of the air extractor 2 is fixedly communicated with the upper surface of the heat absorption box 101, the idle through hole 105 can be sealed through the sealing plug 6, and the heat absorption box 101 can be air extracted inside by using the air extractor 2, so that the first heat absorption hole 104 can absorb the hot gas below.

[0025] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the side suction assembly 4 includes a heat absorption square tube 401 arranged below the heat absorption assembly 1, the heat absorption square tube 401 is located inside one of the T-shaped grooves 102, a group of second heat absorption holes 402 are opened on the right side surface of the heat absorption square tube 401, the left and right side surfaces of the heat absorption square tube 401 are fixedly connected with baffles 406, the bottom surface of the heat absorption box 101 is fixedly connected with two first hole positioning blocks 405, the left side surface of the heat absorption square tube 401 is fixedly connected with a second hole positioning block 403, and the inner walls of the second hole positioning block 403 and one of the first hole positioning blocks 405 are threadedly connected with a threaded rod 404. Through the cooperation of the first hole positioning block 405, the threaded rod 404 and the second hole positioning block 403, the heat absorption square tube 401 can be positioned, and the heat absorption square tube 401 can be positioned in cooperation with the T-shaped groove 102 and the baffle 406 to prevent the heat absorption square tube 401 from shaking

[0026] As shown in Figure 1 , the left and right side surfaces of the heat absorption box 101 are fixedly connected with mounting side plates 103, and the front surface of each mounting side plate 103 is provided with two mounting holes. The heat absorption box 101 can be mounted on the oven door through the mounting side plate 103 to prevent the heat absorption box 101 from loosening.

[0027] As shown in Figure 2 , a group of air suction covers 5 are arranged below the heat absorption box 101, and the group of air suction covers 5 are fixedly communicated with the output ends of the group of first heat absorption holes 104, respectively. The bottom surface of the heat absorption box 101 is fixedly connected with two L-shaped limiting plates 7. The first heat absorption hole 104 can assist in absorbing gas through the air suction cover 5, and the L-shaped limiting plate 7 can position the heat absorption square tube 401 to prevent the heat absorption square tube 401 from shaking.

[0028] As shown in Figure 4As shown, the upper surface of the heat absorption square tube 401 is provided with a groove 407, and the inner wall of the groove 407 is fixedly installed with a sealing ring 408, and the sealing effect of the connection between the heat absorption square tube 401 and the heat absorption box body 101 can be increased through the groove 407 and the sealing ring 408.

[0029] The working principle of the utility model is:

[0030] In use, first, the device is first installed on the upper side of the line board oven door, then according to the opening direction of the door, the heat absorption square tube 401 is clamped into the T-shaped groove 102 through the baffle 406, ensuring that the heat absorption square tube 401 is accurately connected with the through hole 105, then the threaded rod 404 is rotated, and the threaded connection characteristics of the second hole positioning block 403 are utilized to make the threaded rod 404 enter the first hole positioning block 405, thereby realizing the stable positioning of the heat absorption square tube 401, then the sealing plug 6 is inserted into the idle through hole 105, and the through hole 105 is effectively sealed, then the exhaust fan 2 is started, and the exhaust fan 2 can extract the gas in the heat absorption box body 101, so that the internal pressure of the heat absorption box body 101 is reduced, thereby the first heat absorption hole 104 can absorb the hot gas below, and the internal pressure of the heat absorption square tube 401 is also reduced through the through hole 105, thereby when the door is opened, the heat absorption square tube 401 can effectively absorb the hot gas flowing out from the side of the door, and the hot gas is timely absorbed, and the hot gas is effectively prevented from causing burns to the workers.

[0031] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A line board oven heat sink apparatus, characterized by: Including heat absorption assembly (1), the upper portion of heat absorption assembly (1) is provided with exhaust fan (2), the output end of exhaust fan (2) is fixedly communicated with exhaust pipe (3), the inner wall of heat absorption assembly (1) is equipped with side suction assembly (4), the inside of heat absorption assembly (1) is equipped with sealing plug (6).

2. The line oven heat sink apparatus of claim 1, wherein: The heat absorption assembly (1) includes a heat absorption box (101), a group of first heat absorption holes (104) are formed in the bottom surface of the heat absorption box (101), two T-shaped grooves (102) are formed in the bottom surface of the heat absorption box (101), a through hole (105) is formed in the inner top wall of each T-shaped groove (102), the sealing plug (6) extends into the interior of one of the through holes (105), and the input end of the exhaust fan (2) is fixedly communicated with the upper surface of the heat absorption box (101).

3. The line oven heat sink apparatus of claim 2, wherein: The side suction assembly (4) includes a heat absorption square tube (401) arranged below the heat absorption assembly (1), the heat absorption square tube (401) is located in one of the T-shaped grooves (102), a group of second heat absorption holes (402) are formed in the right side surface of the heat absorption square tube (401), the left and right side surfaces of the heat absorption square tube (401) are fixedly connected with baffle plates (406), the bottom surface of the heat absorption box (101) is fixedly connected with two first hole positioning blocks (405), the left side surface of the heat absorption square tube (401) is fixedly connected with a second hole positioning block (403), and the inner walls of the second hole positioning block (403) and one of the first hole positioning blocks (405) are threadedly connected with a threaded rod (404).

4. The line oven heat sink apparatus of claim 2, wherein: The left and right side surfaces of the heat absorption box (101) are fixedly connected with mounting side plates (103), and the front surface of each mounting side plate (103) is provided with two mounting holes.

5. The line oven heat sink apparatus of claim 2, wherein: A group of air suction covers (5) are arranged below the heat absorption box (101), and the output ends of the first heat absorption holes (104) are fixedly communicated with the air suction covers (5), respectively.

6. The line oven heat sink apparatus of claim 3, wherein: The upper surface of the heat absorption square tube (401) is provided with a groove (407), and the inner wall of the groove (407) is fixedly installed with a sealing ring (408).

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