CN220179661U - Non-contact demoulding device for quartz crucible - Google Patents
Non-contact demoulding device for quartz crucible Download PDFInfo
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- CN220179661U CN220179661U CN202321125431.1U CN202321125431U CN220179661U CN 220179661 U CN220179661 U CN 220179661U CN 202321125431 U CN202321125431 U CN 202321125431U CN 220179661 U CN220179661 U CN 220179661U
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- Prior art keywords
- electromagnetic valve
- quartz crucible
- plc
- mold
- contact
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000010453 quartz Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000006004 Quartz sand Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
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- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The utility model discloses a non-contact demoulding device for a quartz crucible, which comprises an air compressor and a PLC controller, wherein the air compressor is connected with the PLC controller; the air outlet of the air compressor is communicated with a process pipeline of the quartz crucible mold through a compressed air pipeline, and a first electromagnetic valve is arranged on the compressed air pipeline; the first electromagnetic valve is electrically connected with the PLC, and the PLC controls the first electromagnetic valve to supply pulse airflow with fixed frequency; and a second electromagnetic valve is arranged on a process pipeline of the quartz crucible mold and is electrically connected with the PLC. The advantages are that: the PLC is used for controlling the first electromagnetic valve to output pulse air flow with fixed frequency to impact quartz sand between the quartz crucible and the mold, so that non-contact demolding is realized; the demolding device can not cause mechanical damage to the mold and crucible products, the service life of the mold is prolonged, and the rejection rate of the products is reduced; meanwhile, the working time of staff in a high-temperature environment is effectively reduced, and the working environment is improved.
Description
Technical field:
the utility model relates to the technical field of quartz crucible production, in particular to a non-contact demoulding device for a quartz crucible.
The background technology is as follows:
the quartz crucible is an essential basic material for drawing large-diameter monocrystalline silicon and developing large-scale integrated circuits, and the production process flow is as follows: placing high-purity quartz sand into a quartz crucible mold, vacuumizing a process pipeline of the quartz crucible mold, carrying out vacuum charging molding and vacuum arc melting molding, and then keeping the process pipeline of the quartz crucible mold communicated with outdoor air to naturally cool the crucible and demolding by a demolding tool. At present, the quartz crucible demolding mainly depends on an operator to knock an upper opening of a mold by holding a wooden stick, and quartz sand between the mold and the quartz crucible is scattered by vibration in the knocking process to realize demolding, but the demolding mode has the following problems: (1) The knocking time in the demolding process is long, and the labor intensity of staff is high; (2) The temperature is high when the crucible melting is completed and the mold stripping is finished, staff needs to use high-temperature-resistant cloth to grip, and scalding risks exist; (3) Mechanical knocking of the die can lead to deformation of the die and influence of service life, and knocking force is not easy to control and risks of damaging products exist.
The patent with publication number CN 216039238U discloses a demoulding device used during the melting of a quartz crucible, which comprises an air compressor and a track, wherein an air outlet of the air compressor is communicated with a vacuum pipeline of a quartz crucible mould through an electromagnetic control valve; the track is arranged on one side of the quartz crucible mold, the chassis is slidably connected with the track, the pan receiving supporting plate is arranged above the chassis, one end of the pan receiving supporting plate, which is far away from the quartz crucible mold, is vertically fixed with the baffle, the top of the pan receiving supporting plate is vertically provided with the top plate, a guide rod is arranged between the top plate and the baffle, one end of the guide rod is fixed with the top plate, the baffle is penetrated by the other end of the guide rod, the guide rod is sleeved with the buffer spring, and the two ends of the buffer spring are respectively fixed with the top plate and the baffle. Compressed air in the demolding device is in a direct blowing mode, a quartz crucible product is ejected out of a mold by means of strong air pressure, impact on the product is large, and part of the product can be broken in the actual demolding process.
The utility model comprises the following steps:
the utility model aims to provide a quartz crucible non-contact demoulding device which does not damage products and moulds, has high demoulding efficiency and effectively reduces the working intensity of staff.
The utility model is implemented by the following technical scheme: a non-contact demoulding device for a quartz crucible comprises an air compressor and a PLC controller; the air outlet of the air compressor is communicated with a process pipeline of the quartz crucible mold through a compressed air pipeline, and a first electromagnetic valve is arranged on the compressed air pipeline; the first electromagnetic valve is electrically connected with the PLC; the PLC controls the first electromagnetic valve to supply pulse airflow with fixed frequency; and a second electromagnetic valve is arranged on a process pipeline of the quartz crucible mold and is electrically connected with the PLC.
Preferably, the first electromagnetic valve is a normally closed electromagnetic valve, and the second electromagnetic valve is a normally open electromagnetic valve.
Preferably, the PLC controller is a station PLC.
Preferably, the frequency of the pulsed air flow is emitted once for a pulse interval of 3s, a single pulse duration of 2s.
The utility model has the advantages that: the PLC is used for controlling the first electromagnetic valve to output pulse air flow with fixed frequency to impact quartz sand between the quartz crucible and the mold, so that non-contact demolding is realized; the demolding device can not cause mechanical damage to the mold and crucible products, the service life of the mold is prolonged, and the rejection rate of the products is reduced; meanwhile, the working time of staff in a high-temperature environment is effectively reduced, and the working environment is improved.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing a structure of a mold releasing apparatus according to example 1 of the present utility model.
An air compressor 1, a PLC 2, a process pipeline 3 of a quartz crucible mold, a compressed air pipeline 4, a first electromagnetic valve 5, a second electromagnetic valve 6, a quartz crucible mold end 7, a quartz crucible 7.1 and a mold 7.2.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
the non-contact demoulding device of the quartz crucible shown in fig. 1 comprises an air compressor 1 and a PLC controller 2; wherein, the air outlet of the air compressor 1 is communicated with the process pipeline 3 of the quartz crucible mold through a compressed air pipeline 4, and a first electromagnetic valve 5 is arranged on the compressed air pipeline 4; the first electromagnetic valve 5 is electrically connected with the PLC 2; the process pipeline 3 of the quartz crucible mold is provided with a second electromagnetic valve 6, and the second electromagnetic valve 6 is electrically connected with the PLC 2.
In this embodiment, the first electromagnetic valve 5 is a normally closed electromagnetic valve, and the second electromagnetic valve 6 is a normally open electromagnetic valve. The PLC controller 2 is a station PLC. The frequency of the pulsed air flow is transmitted once for a pulse interval of 3s, a single pulse duration of 2s.
The PLC 2 supplies pulse air flow with fixed frequency to the quartz crucible mold end 7 by controlling the opening and closing of the first electromagnetic valve 5, and the pulse air flow impacts quartz sand between the quartz crucible 7.1 and the mold 7.2, so that the quartz sand is dispersed in a vibration mode to realize demolding.
Working principle: when the quartz crucible is in the melting stage, the PLC controller 2 controls the first electromagnetic valve 5 to be in a normally closed state and the second electromagnetic valve 6 to be in a normally open state, so that the normal operation of the process pipeline 3 is ensured. When the quartz crucible melting is completed and the demolding is needed, the air compressor 1 is started to generate compressed air, the PLC controller 2 controls the second electromagnetic valve 6 to be closed, the first electromagnetic valve 5 to be controlled to be opened once every 3 seconds and to be opened once for 2 seconds, in this state, the compressed air pipeline 4 end outputs stable pulse air flow to impact the quartz crucible mold end 7, compact quartz sand between the mold 7.2 and the quartz crucible 7.1 is vibrated, and accordingly the quartz crucible 7.2 is demolded from the inside of the mold 7.1.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The non-contact demoulding device for the quartz crucible is characterized by comprising an air compressor and a PLC;
the air outlet of the air compressor is communicated with a process pipeline of the quartz crucible mold through a compressed air pipeline, and a first electromagnetic valve is arranged on the compressed air pipeline;
the first electromagnetic valve is electrically connected with the PLC, and the PLC controls the first electromagnetic valve to supply pulse airflow with fixed frequency;
and a second electromagnetic valve is arranged on a process pipeline of the quartz crucible mold and is electrically connected with the PLC.
2. The quartz crucible non-contact demolding device according to claim 1, wherein the first electromagnetic valve is a normally closed electromagnetic valve and the second electromagnetic valve is a normally open electromagnetic valve.
3. The quartz crucible non-contact demolding device according to any one of claims 1 or 2, wherein the PLC controller is a stand PLC.
4. A non-contact demoulding device for a quartz crucible according to claim 3, characterized in that the frequency of the pulsed gas flow is emitted once at a pulse interval of 3s, a single pulse having a duration of 2s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125431.1U CN220179661U (en) | 2023-05-10 | 2023-05-10 | Non-contact demoulding device for quartz crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125431.1U CN220179661U (en) | 2023-05-10 | 2023-05-10 | Non-contact demoulding device for quartz crucible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220179661U true CN220179661U (en) | 2023-12-15 |
Family
ID=89114304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321125431.1U Active CN220179661U (en) | 2023-05-10 | 2023-05-10 | Non-contact demoulding device for quartz crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220179661U (en) |
-
2023
- 2023-05-10 CN CN202321125431.1U patent/CN220179661U/en active Active
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