CN208600091U - A kind of coater oven end cooling system - Google Patents
A kind of coater oven end cooling system Download PDFInfo
- Publication number
- CN208600091U CN208600091U CN201821007039.6U CN201821007039U CN208600091U CN 208600091 U CN208600091 U CN 208600091U CN 201821007039 U CN201821007039 U CN 201821007039U CN 208600091 U CN208600091 U CN 208600091U
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- CN
- China
- Prior art keywords
- circulating air
- cooling chamber
- air pipeline
- air inlet
- baking oven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of coater oven end cooling systems, including cooling chamber baking oven, new admission line, circulating air pipeline, steam heater；The circulating air pipeline is connected to cooling chamber baking oven, and the new admission line is connected to the air inlet section of circulating air pipeline；The steam heater is arranged in the air inlet section of circulating air pipeline.The utility model avoids prior art gluing grease stain problem, to effectively reduce product defect rate so that volatile matter is not easy to condense by providing stable, suitable temperature to cooling chamber.
Description
Technical field
The utility model relates to PCB production technical field more particularly to a kind of coater oven end cooling systems.
Background technique
In photoresist dry film production process, by high-temperature baking, then photoresist layer needs after being coated on pet vector layer
It is cooled down.In cooling procedure, need to implement cooling chamber baking oven heating measures to improve and equilibrium temperature, if temperature is not
Glue condensation that is sufficient then being easy to make volatilization forms oil dripping and drips to and causes grease stain on glue film, bad so as to cause product.Current
In production, air-flow is provided for cooling chamber baking oven by new admission line and circulating air pipeline, steam heater is arranged in new air inlet pipe
To improve intake air temperature on road, and the steam valve that uses of steam heater be can only standard-sized sheet or the switch valve that closes entirely, flow is only
Energy is maximum or minimum, does not have intermediate state.There is following technological deficiencies for current this mode:
(1) steam heater is arranged on new admission line, and circulating air, without heating, is be easy to cause before entering baking oven
Temperature controlled stability and accuracy be not high.
(2) temperature is easy to be started moment impact by switch valve, causes temperature to fly up, the hand-operated valve bypassed thus can not
Standard-sized sheet, to keep heating system heats ability limited, and temperature fluctuation is larger.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of coater oven end cooling system,
By providing stable, suitable temperature to cooling chamber, to avoid gluing grease stain problem, and then product defect rate is reduced.
The purpose of this utility model is achieved by the following technical programs:
A kind of coater oven end cooling system provided by the utility model, including cooling chamber baking oven, new admission line, follow
Ring feed channel, steam heater；The circulating air pipeline is connected to cooling chamber baking oven, and the new admission line is connected to circulating air
The air inlet section of pipeline；The steam heater is arranged in the air inlet section of circulating air pipeline.
Further, the utility model further includes proportioning valve, temperature controller；The proportioning valve is arranged in steam heater
Steam inlet pipe road on, the temperature controller is arranged in the air inlet section of circulating air pipeline, at the air inlet of cooling chamber baking oven, and
Connection control proportioning valve.
The utility model has the following beneficial effects:
(1) the utility model steam heater is arranged in the air inlet section of circulating air pipeline, and circulating air and new air inlet are equal
Enter cooling chamber baking oven by heating, so as to steadily control the temperature of cooling chamber.
(2) the steam inlet amount of steam heater is controlled to adjust, by proportioning valve and temperature controller so as to more
Precisely, the temperature of cooling chamber is steadily controlled, temperature fluctuation is down to 1 DEG C by 10 DEG C, without manually adjusting.
(3) the utility model effectively increases the stability of cooling room temperature, so that volatile matter is not easy to condense, avoids existing
There is technology gluing grease stain problem, to effectively reduce product defect rate.
Detailed description of the invention
The utility model is described in further detail below in conjunction with embodiment and attached drawing:
Fig. 1 is the principle schematic diagram of the utility model embodiment.
In figure: cooling chamber baking oven 1, new admission line 2, circulating air pipeline 3, air inlet section 3a, steam heater 4, steam inlet pipe
Road 4a, proportioning valve 5, temperature controller 6
Specific embodiment
Fig. 1 show a kind of embodiment of coater oven end cooling system of the utility model, including cooling chamber baking oven 1,
New admission line 2, circulating air pipeline 3, steam heater 4, proportioning valve 5, temperature controller 6.
As shown in Figure 1, circulating air pipeline 3 is connected to cooling chamber baking oven 1, new admission line 2 is connected to circulating air pipeline 3
Air inlet section 3a；The heat exchange area of steam heater 4 is 24m2, it is arranged on the air inlet section 3a of circulating air pipeline 3.Proportioning valve 5 is set
It sets on the steam inlet pipe road 4a of steam heater 4, temperature controller 6 is arranged on the air inlet section 3a of circulating air pipeline 3, cooling chamber
At the air inlet of baking oven 1, and connect control proportioning valve 5.
Claims (2)
1. a kind of coater oven end cooling system, including cooling chamber baking oven (1), new admission line (2), circulating air pipeline (3),
Steam heater (4)；The circulating air pipeline (3) is connected to cooling chamber baking oven (1), and the new admission line (2), which is connected to, follows
The air inlet section (3a) of ring feed channel (3)；It is characterized by: air inlet of steam heater (4) setting in circulating air pipeline (3)
In section (3a).
2. coater oven end according to claim 1 cooling system, it is characterised in that: further include proportioning valve (5), temperature
Controller (6)；The proportioning valve (5) is arranged on the steam inlet pipe road (4a) of steam heater (4), the temperature controller (6)
It is arranged in the air inlet section (3a) of circulating air pipeline (3), at the air inlet of cooling chamber baking oven (1), and connects control proportioning valve
(5)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007039.6U CN208600091U (en) | 2018-06-28 | 2018-06-28 | A kind of coater oven end cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821007039.6U CN208600091U (en) | 2018-06-28 | 2018-06-28 | A kind of coater oven end cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208600091U true CN208600091U (en) | 2019-03-15 |
Family
ID=65667345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821007039.6U Active CN208600091U (en) | 2018-06-28 | 2018-06-28 | A kind of coater oven end cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208600091U (en) |
-
2018
- 2018-06-28 CN CN201821007039.6U patent/CN208600091U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |