CN106535487B - Novel PCB oven - Google Patents
Novel PCB oven Download PDFInfo
- Publication number
- CN106535487B CN106535487B CN201710017529.8A CN201710017529A CN106535487B CN 106535487 B CN106535487 B CN 106535487B CN 201710017529 A CN201710017529 A CN 201710017529A CN 106535487 B CN106535487 B CN 106535487B
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- Prior art keywords
- belt
- feeding
- oven body
- material supporting
- rotate
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- 239000000463 material Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/11—Treatments characterised by their effect, e.g. heating, cooling, roughening
- H05K2203/1105—Heating or thermal processing not related to soldering, firing, curing or laminating, e.g. for shaping the substrate or during finish plating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Baking, Grill, Roasting (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a novel PCB oven, wherein a vertical inclined backward inclined plane is arranged in front of an oven body, a feeding hole is formed in the inclined plane, a feeding mechanism is arranged below the feeding hole, a feeding roller mechanism is arranged outside the feeding hole, a material supporting and conveying mechanism is arranged in the oven body, the material supporting and conveying mechanism comprises a first conveying group obliquely arranged at the left side in the oven body, a second conveying group obliquely arranged at the right side in the oven body and a third conveying group obliquely arranged at the rear side in the oven body, and the first conveying group and the second conveying group are oppositely arranged in parallel; the heating pipes are respectively arranged in the back of the oven body; the back of oven body is provided with the discharge gate, and the slope is provided with the blown down tank in the discharge gate, and feed mechanism sets up at the blown down tank rear. According to the invention, the PCB is automatically transported into the oven body and automatically transported out of the oven body only by manually placing the PCB on the feeding plate, so that the processing efficiency is greatly improved, and the labor intensity of workers is reduced.
Description
Technical Field
The invention relates to an auxiliary PCB production device, in particular to a novel PCB oven.
Background
PCB (Printed Circuit Board) the Chinese name is printed circuit board, also called printed circuit board, is an important electronic component, is a support for electronic components, is a carrier for electrical connection of electronic components, and the printed board is developed from single layer to double-sided, multi-layer and flexible, and still maintains respective development trend. In the existing technology for baking and manufacturing the PCB, manual operation is mainly used during baking, if the PCB is put into the test box to be placed manually, meanwhile, the PCB needs to be manually taken out after being baked, so that the processing efficiency is low, and the labor intensity of operators is high. The existing PCB oven heating tube is usually arranged at the top of the oven, heat is easy to radiate from the feed inlet, the temperature of the top of the oven is high during baking, the temperature of the bottom of the oven is low, and thus the baking of the PCB is quite uneven.
Disclosure of Invention
The invention aims to provide a novel PCB oven with high processing efficiency, low labor intensity of operators and uniform baking.
In order to achieve the above object, the present invention provides the following technical solutions:
the novel PCB oven comprises an oven body, a feeding mechanism, a feeding roller mechanism, a material supporting and conveying mechanism, a heating pipe and a discharging mechanism, wherein a vertical inclined backward inclined plane is arranged in front of the oven body, a feeding port is formed in the inclined plane, the feeding mechanism is arranged below the feeding port, the feeding mechanism comprises a feeding frame arranged on the inclined plane, a first motor and a first screw rod arranged on the feeding frame, a feeding push plate arranged on the first screw rod and inclined backward and downward horizontally, and a baffle plate arranged on the inclined plane, and the feeding push plate is driven by the first motor and the first screw rod to move up and down; the feeding roller mechanism is arranged outside the feeding port and comprises a feeding roller and a first driving device for driving the feeding roller to rotate; the material supporting and conveying mechanism is arranged in the oven body and comprises a first conveying group obliquely arranged at the inner left side of the oven body, a second conveying group obliquely arranged at the inner right side of the oven body and a third conveying group obliquely arranged at the inner rear side of the oven body, and the first conveying group and the second conveying group are oppositely arranged in parallel; the heating pipes are respectively arranged in the back of the oven body, and a blower is arranged behind the heating pipes; the back of oven body is provided with the discharge gate, the slope is provided with the blown down tank in the discharge gate, feed mechanism sets up at the blown down tank rear, feed mechanism includes mount pad, two relative first rotation axis of installing on the mount pad, a plurality of driving rolls of installing on first rotation axis, installs conveyer belt and the second motor on the driving roll, the second motor drives the driving roll rotation through the rotation of driving first rotation axis, the driving roll rotation drives the conveyer belt and is rotary motion.
Further, the first driving device comprises a third motor, a first belt and a gear, the feeding roller comprises an upper feeding roller and a lower feeding roller, the gear is respectively arranged on the upper feeding roller and the lower feeding roller, the third motor drives the lower feeding roller to rotate through the first belt, and the lower feeding roller drives the upper feeding roller to rotate through the gear.
Further, the first conveying group comprises a fourth motor, a second rotating shaft, a second belt and a first material supporting strip, the first material supporting strip is arranged on the second belt, the fourth motor drives the second rotating shaft to rotate and drives the second belt to rotate, and the second belt drives the first material supporting strip to do up-down lifting and circulating motion while rotating.
Further, the second conveying group comprises a fifth motor, a third rotating shaft, a third belt and a second material supporting strip, the second material supporting strip is arranged on the third belt, the fifth motor drives the third rotating shaft to rotate and drives the third belt to rotate, and the third belt drives the second material supporting strip to do up-down lifting and circulating movement while rotating.
Further, the third conveying group comprises a sixth motor, a fourth rotating shaft, a fourth belt and a third material supporting strip, the third material supporting strip is arranged on the fourth belt, the sixth motor drives the fourth rotating shaft to rotate and drives the fourth belt to rotate, and the fourth belt drives the third material supporting strip to do up-down lifting and circulating movement while rotating.
The beneficial effects of the invention are as follows:
1. the front of the oven body is set to be a vertical inclined backward inclined plane, and the inclined plane is provided with the feeding mechanism and the feeding roller mechanism, so that the PCB is only required to be placed on the feeding push plate of the feeding mechanism manually during feeding, the PCB is obliquely placed and moves upwards under the blocking of the baffle plate, when the PCB rises to the feeding roller, the PCB automatically slides downwards at the feeding roller without being blocked by the baffle plate, enters the oven body under the driving of the feeding roller and is then conveyed to the discharge hole under the driving of the material supporting and conveying mechanism, and the PCB is conveyed out of the oven body under the driving of the discharging mechanism after being discharged from the discharge hole.
2. According to the invention, the heating tube is arranged at the back of the inner part of the oven body, the blower is arranged at the back of the heating tube, and after the heating tube heats, the heat flows in the oven body more uniformly after being blown by the blower, so that the baking of the PCB is more uniform, and the PCB can be baked at the bottom and also at the two sides, so that the baking of the PCB is quite uniform.
3. The material supporting and conveying mechanism is provided with the first conveying group, the second conveying group and the third conveying group on the same plane, the first conveying group is used for supporting the left side of the PCB, the second conveying group is used for supporting the right side of the PCB, and the third conveying group is used for supporting the rear side of the PCB, so that the PCB can be prevented from being deformed at the left side or the right side in the baking process, and can drop downwards, the PCB can be further supported by the third conveying group, even if the left side or the right side is deformed, the third conveying group is used for supporting the rear side of the PCB, and therefore the PCB cannot drop downwards.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a feeding mechanism of the present invention;
FIG. 3 is a schematic view of the construction of the feed roll of the present invention;
FIG. 4 is a pallet of the invention a structural schematic diagram of the conveying mechanism;
fig. 5 is a schematic structural diagram of the blanking structure of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the novel PCB oven as shown in figures 1 to 5 comprises an oven body 1, a feeding mechanism 4, a feeding roller mechanism 5, a material supporting and conveying mechanism 6, a heating tube and a discharging mechanism 10, wherein a vertical inclined backward inclined plane 2 is arranged in front of the oven body 1, a feeding opening 3 is formed in the inclined plane 2, the feeding mechanism 4 is arranged below the feeding opening 3, the feeding mechanism 4 comprises a feeding frame 41 arranged on the inclined plane, a first motor 42 and a first screw rod 43 arranged on the feeding frame 41, a feeding push plate 44 arranged on the first screw rod 43 and inclined horizontally backwards and downwards, and a baffle plate 45 arranged on the inclined plane 2, and the feeding push plate 44 moves up and down under the driving of the first motor 42 and the first screw rod 43.
The feeding roller mechanism 5 is arranged outside the feeding port 3, and the feeding roller mechanism 5 comprises a feeding roller and a first driving device for driving the feeding roller to rotate; the first driving device of the present embodiment includes a third motor 53, a first belt 54 and a gear 55, the feed rollers include an upper feed roller 51 and a lower feed roller 52, the gear 55 is respectively mounted on the upper feed roller 51 and the lower feed roller 52, the third motor 53 drives the lower feed roller 52 to rotate through the first belt 54, and the lower feed roller 52 drives the upper feed roller 51 to rotate through the gear 55.
The material supporting and conveying mechanism 6 is arranged in the oven body 1, the material supporting and conveying mechanism 6 comprises a first conveying group 61 obliquely arranged at the left side in the oven body 1, a second conveying group 62 obliquely arranged at the right side in the oven body and a third conveying group 63 obliquely arranged at the rear side in the oven body, and the first conveying group 61 and the second conveying group 62 are oppositely arranged in parallel; the first conveying set 61 of the embodiment comprises a fourth motor 611, a second rotating shaft 612, a second belt 613 and a first material supporting strip 614, wherein the first material supporting strip 614 is installed on the second belt 613, the fourth motor 611 drives the second rotating shaft 612 to rotate and drives the second belt 613 to rotate, and the second belt 613 drives the first material supporting strip 614 to do up-down lifting circulation movement while rotating; the second conveying set 62 comprises a fifth motor 621, a third rotating shaft 622, a third belt 623 and a second material supporting strip 624, the second material supporting strip 624 is arranged on the third belt 623, the fifth motor 621 drives the third rotating shaft 622 to rotate and drives the third belt 623 to rotate, and the third belt 623 rotates and drives the second material supporting strip 624 to do up-down lifting and circulating movement; the third conveying group 63 includes a sixth motor 631, a fourth rotating shaft 632, a fourth belt 633 and a third material supporting strip 634, the third material supporting strip 634 is mounted on the fourth belt 633, the sixth motor 631 drives the fourth rotating shaft 632 to rotate and drives the fourth belt 633 to rotate, and the fourth belt 633 rotates and drives the third material supporting strip 634 to perform up-down lifting and circulating movement; can prevent like this that the PCB board from taking place to warp in the process left side or the right side of toasting for the PCB board drops downwards, can further hold the PCB board through the third conveying group, even if left side or right side take place to warp, but have the third conveying group to hold the rear side of PCB board, just so the PCB board can not drop downwards.
The inside at oven body back is installed respectively to the heating tube, and the heating tube generates heat after the blowing of air-blower, lets the heat more even flow in the oven body, and is more even to the toasting of PCB board like this, and the PCB board not only is in the bottom like this, but also both sides face can toast for the toasting of PCB board is very even.
The back of oven body 1 is provided with the discharge gate, the slope is provided with the blown down tank in the discharge gate, feed mechanism 10 sets up at the blown down tank rear, feed mechanism 10 includes mount pad 104, two relative first rotation axis 105 of installing on mount pad 104, a plurality of driving roller 103 of installing on first rotation axis 105, installs conveyer belt 102 and the second motor 101 on driving roller 103, second motor 101 drives the driving roller rotation through the rotation of drive first rotation axis 105, the driving roller is rotatory and drives the conveyer belt and do rotary motion.
The working procedure of this embodiment is:
when the automatic feeding device is used, a PCB is placed on the feeding push plate 44 of the feeding mechanism 4 only by manpower, and the PCB is obliquely placed because the feeding plate 44 is obliquely arranged and moves upwards under the blocking of the baffle plate 45, when the PCB rises to the feeding roller, the PCB automatically slides downwards to the feeding roller under the blocking of the baffle plate, enters the oven body 1 under the driving of the feeding roller, is then conveyed to the discharge hole under the driving of the material supporting conveying mechanism 6, and is conveyed out of the oven body 1 under the driving of the discharging mechanism 10 after being discharged from the discharge hole.
The above description does not limit the technical scope of the present invention in any way, any modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (2)
1. A PCB oven, characterized in that: the automatic feeding device comprises an oven body, a feeding mechanism, a feeding roller mechanism, a material supporting conveying mechanism, a heating pipe and a discharging mechanism, wherein a vertical backward inclined plane is arranged in front of the oven body, a feeding port is formed in the inclined plane, the feeding mechanism is arranged below the feeding port, the feeding mechanism comprises a feeding frame arranged on the inclined plane, a first motor and a first screw rod arranged on the feeding frame, a feeding push plate which is arranged on the first screw rod and is inclined horizontally backward and downward, and a baffle plate arranged on the inclined plane, and the feeding push plate is driven by the first motor and the first screw rod to move up and down; the feeding roller mechanism is arranged outside the feeding port and comprises a feeding roller and a first driving device for driving the feeding roller to rotate; the material supporting and conveying mechanism is arranged in the oven body and comprises a first conveying group obliquely arranged at the inner left side of the oven body, a second conveying group obliquely arranged at the inner right side of the oven body and a third conveying group obliquely arranged at the inner rear side of the oven body, and the first conveying group and the second conveying group are oppositely arranged in parallel; the heating pipes are respectively arranged in the back of the oven body, and a blower is arranged behind the heating pipes; the back of the oven body is provided with a discharge hole, a discharge groove is obliquely arranged in the discharge hole, the discharging mechanism is arranged behind the discharge groove, the discharging mechanism comprises a mounting seat, two first rotating shafts which are oppositely arranged on the mounting seat, a plurality of driving rollers which are arranged on the first rotating shafts, a conveyor belt which is arranged on the driving rollers and a second motor, the second motor drives the driving rollers to rotate by driving the rotation of the first rotating shafts, the driving rollers rotate to drive the conveyor belt to do rotary motion, the first driving device comprises a third motor, a first belt and gears, the feeding rollers comprise an upper feeding roller and a lower feeding roller, the gears are respectively arranged on the upper feeding roller and the lower feeding roller, the third motor drives the lower feeding roller to rotate by the first belt, and the lower feeding roller drives the upper feeding roller to rotate by the gears; the first conveying group comprises a fourth motor, a second rotating shaft, a second belt and a first material supporting strip, the first material supporting strip is arranged on the second belt, the fourth motor drives the second rotating shaft to rotate and drives the second belt to rotate, and the second belt drives the first material supporting strip to do up-down lifting and circulating movement while rotating; the third conveying group comprises a sixth motor, a fourth rotating shaft, a fourth belt and a third material supporting strip, wherein the third material supporting strip is arranged on the fourth belt, the sixth motor drives the fourth rotating shaft to rotate and drives the fourth belt to rotate, and the fourth belt drives the third material supporting strip to do up-down lifting and circulating movement while rotating.
2. The PCB oven of claim 1, wherein: the second conveying group comprises a fifth motor, a third rotating shaft, a third belt and a second material supporting strip, the second material supporting strip is arranged on the third belt, the fifth motor drives the third rotating shaft to rotate and drives the third belt to rotate, and the third belt drives the second material supporting strip to do up-down lifting and circulating movement while rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017529.8A CN106535487B (en) | 2017-01-11 | 2017-01-11 | Novel PCB oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017529.8A CN106535487B (en) | 2017-01-11 | 2017-01-11 | Novel PCB oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106535487A CN106535487A (en) | 2017-03-22 |
| CN106535487B true CN106535487B (en) | 2023-12-12 |
Family
ID=58336999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017529.8A Active CN106535487B (en) | 2017-01-11 | 2017-01-11 | Novel PCB oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106535487B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110155599B (en) * | 2019-05-21 | 2020-09-04 | Oppo广东移动通信有限公司 | Flow guiding device |
| CN110395567A (en) * | 2019-08-12 | 2019-11-01 | 深圳市浩宝技术有限公司 | A kind of roasting plant |
| CN113630972B (en) * | 2021-09-13 | 2022-10-11 | 深圳市得鑫自动化设备有限公司 | Printed circuit board baking control method and oven applying same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902881A (en) * | 2010-04-28 | 2010-12-01 | 深圳市永吉泰电子有限公司 | Silicon aluminium foil for isolating multilayer PCB circuit board, and manufacturing method thereof |
| CN101979153A (en) * | 2010-10-11 | 2011-02-23 | 李荣根 | Full-automatic horizontal PCB board double-side coating machine |
| CN102513461A (en) * | 2011-11-23 | 2012-06-27 | 芜湖瑞创叉车有限公司 | Blanking device of plate shearing machine |
| CN204823340U (en) * | 2015-08-18 | 2015-12-02 | 四川海英电子科技有限公司 | Circuit board drying -plate machine material loading snatchs mechanism |
| CN105214919A (en) * | 2015-10-10 | 2016-01-06 | 厦门市英泰尔工贸有限公司 | Efficient industrial baking oven |
| CN105692265A (en) * | 2014-11-23 | 2016-06-22 | 天津市泰河金岸科技有限公司 | Separation and fetching device for PCB pile |
| CN106288712A (en) * | 2016-09-17 | 2017-01-04 | 深圳市得鑫自动化设备有限公司 | Automatic baking equipment and the automatic baking method realized by this automatic baking equipment |
| CN206547217U (en) * | 2017-01-11 | 2017-10-10 | 东莞市准锐自动化设备有限公司 | A kind of Novel PCB board baking box |
-
2017
- 2017-01-11 CN CN201710017529.8A patent/CN106535487B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902881A (en) * | 2010-04-28 | 2010-12-01 | 深圳市永吉泰电子有限公司 | Silicon aluminium foil for isolating multilayer PCB circuit board, and manufacturing method thereof |
| CN101979153A (en) * | 2010-10-11 | 2011-02-23 | 李荣根 | Full-automatic horizontal PCB board double-side coating machine |
| CN102513461A (en) * | 2011-11-23 | 2012-06-27 | 芜湖瑞创叉车有限公司 | Blanking device of plate shearing machine |
| CN105692265A (en) * | 2014-11-23 | 2016-06-22 | 天津市泰河金岸科技有限公司 | Separation and fetching device for PCB pile |
| CN204823340U (en) * | 2015-08-18 | 2015-12-02 | 四川海英电子科技有限公司 | Circuit board drying -plate machine material loading snatchs mechanism |
| CN105214919A (en) * | 2015-10-10 | 2016-01-06 | 厦门市英泰尔工贸有限公司 | Efficient industrial baking oven |
| CN106288712A (en) * | 2016-09-17 | 2017-01-04 | 深圳市得鑫自动化设备有限公司 | Automatic baking equipment and the automatic baking method realized by this automatic baking equipment |
| CN206547217U (en) * | 2017-01-11 | 2017-10-10 | 东莞市准锐自动化设备有限公司 | A kind of Novel PCB board baking box |
Non-Patent Citations (2)
| Title |
|---|
| 林吼潮 ; 陈安资 ; .烤箱内部温度场分布与温度控制仿真优化.工业技术创新.2016,(05),全文. * |
| 贴片机PCB传送机构设计研究;魏云峰;张茂青;李记叶;;电工电气(第05期);全文 * |
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| CN106535487A (en) | 2017-03-22 |
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