CN104048503B - A kind of circuit board tunnel oven - Google Patents
A kind of circuit board tunnel oven Download PDFInfo
- Publication number
- CN104048503B CN104048503B CN201410304010.4A CN201410304010A CN104048503B CN 104048503 B CN104048503 B CN 104048503B CN 201410304010 A CN201410304010 A CN 201410304010A CN 104048503 B CN104048503 B CN 104048503B
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- China
- Prior art keywords
- circuit board
- heater
- conveyer belt
- power drum
- bellows
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Abstract
The invention discloses a kind of circuit board tunnel oven, it comprises body of heater (1), conveying device, extractor fan and heat-generating pipe (9), described conveying device is positioned at the inside of body of heater (1), conveying device comprises motor (11), power drum (8), quiet cylinder (3), conveyer belt (2), described conveyer belt (2) is looped around the periphery of power drum (8) and quiet cylinder (3), described power drum (8) is driven by motor (11) and rotates, described motor (11) is arranged on the inner lower surface of body of heater (1), described extractor fan is across establishing with on body of heater (1), described heat-generating pipe (9) is positioned at conveyer belt (2) and is looped around cavity between power drum (8) and quiet cylinder (3).The invention has the beneficial effects as follows: it has can realize streamline baking, toast the advantage that efficiency is high and baking quality is good.
Description
Technical field
The present invention relates to oven, particularly a kind of circuit board tunnel oven.
Background technology
Circuit board is important electronic unit, is the supporter of electronic devices and components.In circuit board fabrication process, the circuit board after silk-screen completes needs to toast, and is dried by the ink after silk-screen, and makes the stress of substrate fully lax, thus reduces the buckling deformation of substrate in processing procedure.
Current circuit board toasts the baking box adopted and comprises a main box, and the normally inside and outside double-layer plate body structure of main box, is provided with heat pipe between inside and outside double-layer plate, to circuit board toasts after heating to the air in baking box.When toasting circuit board, the circulation cycle of air is very important, therefore air inlet duct and exhausting duct need be offered at the top of main box, the air of coming in from air inlet duct flows after heat pipes heat baking vessel, the circuit board be placed in baking vessel can be toasted, the waste gas produced after overbaking can be discharged through exhausting duct again, when toasting for increasing baking efficiency, often circuit board is placed on multilayer circuit board rack, baking time is about four hours, baking time is longer, is unfavorable for workshop large-scale production and production line balance.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, provide a kind of can continuous productive process, efficiency is high and baking quality is good circuit board tunnel oven.
Object of the present invention is achieved through the following technical solutions: a kind of circuit board tunnel oven, it comprises body of heater, conveying device, extractor fan and heat-generating pipe, described conveying device is positioned at the inside of body of heater, conveying device comprises motor, power drum, quiet cylinder, conveyer belt, described power drum is crossed on body of heater discharge end, described quiet cylinder is crossed on the feed end of body of heater and quiet cylinder and power drum are positioned on same level line, described conveyer belt is looped around the periphery of power drum and quiet cylinder, described power drum is rotated by driven by motor, described motor is arranged on the lower surface of furnace interior, described extractor fan comprises bellows, exhaust duct and air exhauster, described bellows are across establishing with on body of heater, bellows upper end connects exhaust duct, described exhaust duct is connected with air exhauster, described heat-generating pipe is looped around in the cavity between power drum and quiet cylinder at conveyer belt, described sidewall of the furnace body is also provided with a controller, controller controls the operation of motor and air exhauster.
Described conveyer belt is made up of exotic material, and conveyer belt offers multiple equally distributed grid.
Described body of heater feed end two ends are provided with a baffle plate.
Described furnace interior is provided with a temperature control sensor, and temperature control sensor is electrically connected with controller.
The present invention has the following advantages: circuit board oven of the present invention, adopts tunnel type baking, and by tape transport circuit board, achieves the operation of circuit board baking production line; Compared to existing oven cooking cycle, this tunnel oven efficiency is high, and baking time only has three minutes; Control baking temperature by temperature control sensor, ensure that the baking quality of circuit board.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is schematic perspective view of the present invention
In figure, 1-body of heater, 2-conveyer belt, the quiet cylinder of 3-, 4-baffle plate, 5-bellows, 6-exhaust duct, 7-controller, 8-power drum, 9-heat-generating pipe, 10-temperature control sensor, 11-motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As depicted in figs. 1 and 2, a kind of circuit board tunnel oven, it comprises body of heater 1, conveying device, extractor fan and heat-generating pipe 9, described conveying device is positioned at the inside of body of heater 1, conveying device comprises motor 11, power drum 8, quiet cylinder 3, conveyer belt 2, described power drum 8 is crossed on body of heater 1 discharge end, described quiet cylinder 3 is crossed on the feed end of body of heater 1 and quiet cylinder 3 and power drum 8 are positioned on same level line, described conveyer belt 2 is looped around the periphery of power drum 8 and quiet cylinder 30, described power drum 8 drives rotation by motor 11, described motor 11 is arranged on the lower surface of body of heater 1 inside, described extractor fan comprises bellows 5, exhaust duct 6 and air exhauster, described bellows 5 are across establishing with on body of heater 1, bellows 5 upper end connects exhaust duct 6, described exhaust duct 6 is connected with air exhauster, described heat-generating pipe 9 is looped around in the cavity between power drum 8 and quiet cylinder 3 at conveyer belt 2, described body of heater 1 sidewall is also provided with a controller 7, controller 7 controls the operation of motor 11 and air exhauster.
In the present embodiment, described conveyer belt 2 is made up of exotic material, and conveyer belt 2 offers multiple equally distributed grid, conveyer belt 2 adopts exotic material, conveyer belt 2 can be avoided to occur the softening and lost of life that is that cause under the high temperature conditions, the grid that conveyer belt 2 is offered, is conducive to the baking of high temperature air to circuit board surface, improves the efficiency of circuit board baking.
Be improve circuit board baking efficiency further in the present embodiment, body of heater 1 feed end two ends are provided with a baffle plate 4, and circuit board according to the position of baffle plate, can be placed on optimum position by operating personnel, so that circuit board baking evenly.
In the present embodiment, for ensureing that temperature in furnace is constant, described body of heater 1 inside is provided with a temperature control sensor 10, temperature control sensor 10 is electrically connected with controller 7, temperature control sensor 10 can detect body of heater 1 internal temperature, and temperature value is fed back to controller 7, and controller 7 is carrying out the heating temp of regulation heating pipe 9 according to temperature difference, this ensures that there the constant of temperature in body of heater 1, ensure that baking efficiency and the baking quality of circuit board.
The course of work of the present invention is as follows: circuit board is placed on conveyer belt 2 by operating personnel, when placing circuit board, according to the size of baffle plate 4, circuit board is placed on the central authorities of conveyer belt 2, to ensure circuit board baking evenly, then circuit board is transferred band 2 and is sent to below bellows 5 slowly, because heat-generating pipe 9 is positioned at below circuit board, can better toast circuit board, and be provided with air exhauster, air in body of heater 1 is constantly taken away by bellows 5 by air exhauster, thus add the baking efficiency of circuit board, usual one piece of circuit board only needs three minutes just can toast complete, toast rear circuit board by manually picking up plate, circuit board to be taken away, also a transmitting device can be connected at continuous tunnel furnace discharge end, circuit board is flowed into subsequent processing, realizing circuit slat production line is processed.
Claims (3)
1. a circuit board tunnel oven, it is characterized in that: it comprises body of heater (1), conveying device, extractor fan and heat-generating pipe (9), described conveying device is positioned at the inside of body of heater (1), conveying device comprises motor (11), power drum (8), quiet cylinder (3), conveyer belt (2), described power drum (8) is crossed on body of heater (1) discharge end, described quiet cylinder (3) is crossed on the feed end of body of heater (1) and quiet cylinder (3) and power drum (8) are positioned on same level line, described conveyer belt (2) is looped around the periphery of power drum (8) and quiet cylinder (3), described power drum (8) is driven by motor (11) and rotates, described motor (11) is arranged on the inner lower surface of body of heater (1), described extractor fan comprises bellows (5), exhaust duct (6) and air exhauster, described bellows (5) are across establishing with on body of heater (1), bellows (5) upper end connects exhaust duct (6), described exhaust duct (6) is connected with air exhauster, described heat-generating pipe (9) is positioned at conveyer belt (2) and is looped around cavity between power drum (8) and quiet cylinder (3), described body of heater (1) sidewall is also provided with a controller (7), controller (7) controls the operation of motor (11) and air exhauster, described body of heater (1) feed end two ends are provided with a baffle plate (4), circuit board is placed on conveyer belt (2) by operating personnel, when placing circuit board, according to the size of baffle plate (4), circuit board is placed on the central authorities of conveyer belt (2), to ensure circuit board baking evenly, then circuit board is transferred band (2) and is sent to bellows (5) below slowly, because heat-generating pipe (9) is positioned at below circuit board, can better toast circuit board, and be provided with air exhauster, air in body of heater (1) is constantly taken away by bellows (5) by air exhauster.
2. a kind of circuit board tunnel according to claim 1 oven, is characterized in that: described conveyer belt (2) is made up of exotic material, and conveyer belt (2) offers multiple equally distributed grid.
3. a kind of circuit board tunnel according to claim 1 oven, is characterized in that: described body of heater (1) inside is provided with a temperature control sensor (10), and temperature control sensor (10) is electrically connected with controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304010.4A CN104048503B (en) | 2014-06-30 | 2014-06-30 | A kind of circuit board tunnel oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304010.4A CN104048503B (en) | 2014-06-30 | 2014-06-30 | A kind of circuit board tunnel oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104048503A CN104048503A (en) | 2014-09-17 |
| CN104048503B true CN104048503B (en) | 2016-01-20 |
Family
ID=51501673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304010.4A Expired - Fee Related CN104048503B (en) | 2014-06-30 | 2014-06-30 | A kind of circuit board tunnel oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104048503B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643134A (en) * | 2015-10-30 | 2017-05-10 | 无锡市大业电器有限公司 | Roasting and transferring device for control panels of drum washing machines |
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|---|---|---|---|---|
| US4997364A (en) * | 1988-02-22 | 1991-03-05 | Radiant Technology Corporation | Furnace assembly for reflowing solder on printed circuit boards |
| EP0965408A2 (en) * | 1998-06-16 | 1999-12-22 | Heraeus Noblelight GmbH | Continuous furnace |
| CN1300525A (en) * | 1999-04-06 | 2001-06-20 | 八治技术股份有限公司 | Device for heating printed-circuit board |
| JP2001241854A (en) * | 2000-02-29 | 2001-09-07 | Noritake Co Ltd | Baking method of thick-film circuit board and transportation belt |
| CN1447406A (en) * | 2002-03-22 | 2003-10-08 | 精工爱普生株式会社 | Mfg. appts. of electronic device, mfg. method of electronic device and mfg. program of electronic device |
| CN1490585A (en) * | 2002-10-16 | 2004-04-21 | 光洋热系统株式会社 | Continuous heating treating furnaces |
| CN1517962A (en) * | 2003-01-16 | 2004-08-04 | 日本碍子株式会社 | Heat-treating method for substrate and heat treating furnace |
| US6936793B1 (en) * | 2002-04-17 | 2005-08-30 | Novastar Technologiesm Inc. | Oven apparatus and method of use thereof |
| CN2922384Y (en) * | 2006-06-19 | 2007-07-11 | 陈锦秀 | Tunnel circuit board bake machine |
| CN101048042A (en) * | 2006-03-30 | 2007-10-03 | 田村古河机械株式会社 | Reflow oven |
| GB2448501A (en) * | 2007-04-17 | 2008-10-22 | Redford Design Ltd | Aperture cover assembly for a tunnel oven |
-
2014
- 2014-06-30 CN CN201410304010.4A patent/CN104048503B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997364A (en) * | 1988-02-22 | 1991-03-05 | Radiant Technology Corporation | Furnace assembly for reflowing solder on printed circuit boards |
| EP0965408A2 (en) * | 1998-06-16 | 1999-12-22 | Heraeus Noblelight GmbH | Continuous furnace |
| CN1300525A (en) * | 1999-04-06 | 2001-06-20 | 八治技术股份有限公司 | Device for heating printed-circuit board |
| JP2001241854A (en) * | 2000-02-29 | 2001-09-07 | Noritake Co Ltd | Baking method of thick-film circuit board and transportation belt |
| CN1447406A (en) * | 2002-03-22 | 2003-10-08 | 精工爱普生株式会社 | Mfg. appts. of electronic device, mfg. method of electronic device and mfg. program of electronic device |
| US6936793B1 (en) * | 2002-04-17 | 2005-08-30 | Novastar Technologiesm Inc. | Oven apparatus and method of use thereof |
| CN1490585A (en) * | 2002-10-16 | 2004-04-21 | 光洋热系统株式会社 | Continuous heating treating furnaces |
| CN1517962A (en) * | 2003-01-16 | 2004-08-04 | 日本碍子株式会社 | Heat-treating method for substrate and heat treating furnace |
| CN101048042A (en) * | 2006-03-30 | 2007-10-03 | 田村古河机械株式会社 | Reflow oven |
| CN2922384Y (en) * | 2006-06-19 | 2007-07-11 | 陈锦秀 | Tunnel circuit board bake machine |
| GB2448501A (en) * | 2007-04-17 | 2008-10-22 | Redford Design Ltd | Aperture cover assembly for a tunnel oven |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104048503A (en) | 2014-09-17 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20190630 |