CN209633754U - A kind of air return pipeline with edge grinding film clearing function - Google Patents
A kind of air return pipeline with edge grinding film clearing function Download PDFInfo
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- CN209633754U CN209633754U CN201920211121.9U CN201920211121U CN209633754U CN 209633754 U CN209633754 U CN 209633754U CN 201920211121 U CN201920211121 U CN 201920211121U CN 209633754 U CN209633754 U CN 209633754U
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- return
- air duct
- return air
- return pipeline
- wicket
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Abstract
A kind of air return pipeline with edge grinding film clearing function is connected to the return air duct on chain pincers box including one end, and the other end of return air duct is equipped with return air fan, and return air duct is equipped with wicket, filter screen, is additionally provided with sensor in return air duct.This air return pipeline has the advantages that troubleshooting time is short, equipment use cost is low.
Description
Technical field
The utility model relates to film stretching technique fields, more particularly, to a kind of return air with edge grinding film clearing function
Pipeline.
Background technique
For the purpose for reaching film stretching, film drawer is typically provided the chain pincers that can be run on two circular orbits, warp
The pincers mouth of chain pincers clamps film, by the way that the variation of spacing is drawn between two pairs of side chain pincers with the transverse direction for realizing film on two circular orbits
It stretches, the longitudinal stretching of film is realized by the variation of spacing between adjacent chain pincers.In the prior art, it not can avoid brokenly in horizontal drawing
Film phenomenon, edge grinding mould will enter in chain pincers box, if being equipped with filter screen between chain pincers box and chain pincers return air duct, giving up film will be
It is deposited in chain pincers box, and blocks return air duct population in turn, if largely useless film will enter the cooling return air of chain pincers without strainer
Pipeline, and then enter in blower.To avoid influencing the normal operation of chain pincers, timing cleaning in time is needed to enter useless in chain pincers box
Useless film in side film or pipeline, and since film stretching needs certain temperature (probably between 80-140 DEG C), therefore be cleaning
Useless film, need to shut down could dismantle chain pincers box or return air duct after cooling down, complete the cleaning of edge grinding film.Therefore in the prior art
Air return pipeline have the shortcomings that the cleaning of edge grinding film is difficult, maintenance cost is high, production efficiency is low.
Summary of the invention
The purpose of the utility model is to overcome disadvantages existing in the prior art, provide a kind of with edge grinding film cleaning function
Can air return pipeline, set the wicket that can facilitate unlatching on the air return pipeline, after sensor issues signal, open wicket to realize
The edge grinding film accumulated in cleaning pipeline in time, the technical solution adopted is that: a kind of air return pipeline with edge grinding film clearing function,
The return air duct on chain pincers box is connected to including one end, it is characterised in that: the other end of the return air duct is equipped with blower, described
Return air duct is equipped with wicket, is additionally provided with sensor in the return air duct.
Wicket is opened to be convenient, the wicket is hinged on return air duct through hinge.
To complete being locked for wicket, the wicket is additionally provided with the lock for locking wicket.
Convenient for air circulation and to reach the relatively fixed purpose in certain space of edge grinding film, in the return air duct
Inside close to chain pincers box side is equipped with filter screen.
By obtaining pressure value size in pipeline space, to judge whether to need to clear up the blocking in pipeline, the sensing
Device is pressure sensor.
By obtaining air velocity size in pipeline space, to judge whether to need to clear up the blocking in pipeline, the biography
Sensor is flow sensor.
The utility model has the beneficial effects that: this air return pipeline using sensor to the relevant parameter in pipeline space into
Row real time monitoring, to judge whether that line clogging occurs in time；This air return pipeline can find the blocking of edge grinding film in pipeline in time
Situation, and processing in time is prompted, blocking extrusion damage caused by equipment of edge grinding film is avoided, chain pincers and chain pincers axis can be extended
The service life held saves equipment cost；This air return pipeline can reduce equipment downtime, film can be drawn not cool down premise vertical
Under, complete the cleaning of edge grinding film；This air return pipeline has the advantages that troubleshooting time is short, equipment use cost is low.
Detailed description of the invention
Attached drawing 1 is the utility model structure diagram, and attached drawing 2 is filter screen schematic diagram, 1. chain pincers boxes, 2. return air ducts,
3. hinge, 4. wickets, 6. filter screens, 7. return air fans, 8. sensors, 9. return air ducts, 10. chain pincers.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is illustrated.The utility model discloses one kind
Air return pipeline with edge grinding film clearing function, the air return pipeline include the return air duct 2 that one end is connected on chain pincers box 1, are returned
Inside in air piping 2 close to 1 side of chain pincers box is equipped with filter screen 6, and the other end of return air duct 2 is equipped with return air fan 7, returns
Air piping 2 is equipped with the wicket 4 hinged through hinge 3, and the lock of locking is set on wicket 3, is additionally provided with sensor 8 in return air duct 2.
In the present embodiment, optional sensor 8 is pressure sensor or flow sensor, and pressure sensor can obtain return air
Pressure value in pipeline 2, after the pressure value increases to certain value suddenly, the control system connecting with pressure sensor issues report
Signal is warned, at this time the openable wicket 4 of operator, rapidly removing faults source.When sensor is flow sensor, flow sensing
Device can perceive the air mass flow in return air duct, when air mass flow is rapidly decreased to certain value, the control that is connect with flow sensor
System processed issues alarm signal, prompts operator's debugging source.
The working principle of the utility model are as follows:
After sensor issues alarm signal by control system, operator opens wicket 4, cleans out through wicket 4 stifled
The edge grinding film in return air duct 2 is filled in, wicket 4 is locked after the completion of cleaning, then restarts control system, one time edge grinding film is clear
Reason is completed.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (6)
1. a kind of air return pipeline with edge grinding film clearing function is connected to the return air duct on chain pincers box including one end, special
Sign is: the other end of the return air duct is equipped with return air fan, and the return air duct is equipped with wicket, in the return air duct
It is additionally provided with sensor.
2. air return pipeline described in accordance with the claim 1, it is characterised in that: the wicket is hinged on return air duct through hinge.
3. air return pipeline according to claim 2, it is characterised in that: the wicket is additionally provided with the lock for locking wicket.
4. air return pipeline described in accordance with the claim 1, it is characterised in that: close to the interior of chain pincers box side in the return air duct
Portion is equipped with filter screen.
5. air return pipeline described in accordance with the claim 1, it is characterised in that: the sensor is pressure sensor.
6. air return pipeline described in accordance with the claim 1, it is characterised in that: the sensor is flow sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920211121.9U CN209633754U (en) | 2019-02-18 | 2019-02-18 | A kind of air return pipeline with edge grinding film clearing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920211121.9U CN209633754U (en) | 2019-02-18 | 2019-02-18 | A kind of air return pipeline with edge grinding film clearing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209633754U true CN209633754U (en) | 2019-11-15 |
Family
ID=68493808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920211121.9U Active CN209633754U (en) | 2019-02-18 | 2019-02-18 | A kind of air return pipeline with edge grinding film clearing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209633754U (en) |
-
2019
- 2019-02-18 CN CN201920211121.9U patent/CN209633754U/en active Active
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