CN221089608U - Atmosphere protection device - Google Patents
Atmosphere protection device Download PDFInfo
- Publication number
- CN221089608U CN221089608U CN202323029587.2U CN202323029587U CN221089608U CN 221089608 U CN221089608 U CN 221089608U CN 202323029587 U CN202323029587 U CN 202323029587U CN 221089608 U CN221089608 U CN 221089608U
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- CN
- China
- Prior art keywords
- box body
- protection device
- opening
- atmosphere protection
- gas
- 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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- 239000000463 material Substances 0.000 claims abstract description 53
- 239000007789 gas Substances 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000001301 oxygen Substances 0.000 claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Manipulator (AREA)
Abstract
The application discloses an atmosphere protection device, which is used for banburying equipment and comprises: the shell type box body is provided with a connecting opening at one side, the box body is used for covering a charging part of the banburying device through the connecting opening, and the connecting opening is used for forming sealing connection with the periphery of a charging opening of the charging part; the gas inlet is used for enabling protective gas to enter the box body, and the gas outlet is used for discharging the gas in the box body; the oxygen detection device is arranged on the box body, and one end of the oxygen detection device is communicated into the box body and used for detecting the oxygen content of gas in the box body; an operating glove, wherein the glove opening is in sealing connection with the perforated edge on the box body, and the hand of an operator can operate in the box body through the glove; and the material inlet is arranged on the box body and can be sealed in an openable way by the material door for putting in and taking out materials. The application can ensure that the charging link is not affected by oxygen, can improve the quality of banburying products of the easily oxidized powder, and is convenient for the transformation of the existing equipment.
Description
Technical Field
The utility model relates to an atmosphere protection device. In particular to an atmosphere protection device for banburying equipment.
Background
The banburying device is totally called a sealed plasticating device, also called a plasticating device, and is mainly used for mixing plastics and rubber. In the powder metallurgy injection molding manufacturing industry, injection molding feeds are also prepared by kneading and kneading polymers such as powder and plastics by a banburying device.
In recent years, with the rapid development of injection molding technology, the market demand for active metal feeds such as titanium, magnesium, aluminum and the like has been increasing. The existing banburying equipment lacks protection to powder, so the metal powder with high chemical activity and easy moisture absorption and oxygen absorption has poor banburying effect, especially superfine active metal powder. And because the superfine active metal powder is oxidized to generate a large amount of heat, spontaneous combustion can even occur, and fire and explosion can be caused, the potential safety hazard exists.
Therefore, this type of powder should be used in a closed inert gas atmosphere, and improvements to existing equipment are required.
Disclosure of utility model
The object of the present utility model is to solve or at least partially alleviate the above problems by providing an atmosphere protection device.
According to the present utility model, there is provided an atmosphere protection device for an internal mixing apparatus, comprising:
The shell type box body is provided with a connecting opening at one side, the box body is used for covering a charging part of the banburying device through the connecting opening, and the connecting opening is used for forming sealing connection with the periphery of a charging opening of the charging part;
The gas inlet is used for enabling protective gas to enter the box body, and the gas outlet is used for discharging the gas in the box body;
the oxygen detection device is arranged on the box body, and one end of the oxygen detection device is communicated into the box body and used for detecting the oxygen content of gas in the box body;
An operating glove, wherein the glove opening is in sealing connection with the perforated edge on the box body, and the hand of an operator can operate in the box body through the glove; and
The material inlet is formed in the box body and can be sealed in an openable mode through the material door and used for placing and taking out materials.
Preferably, the box body is suitable for observing the feed inlet and also comprises an observation window, and a transparent glass plate is arranged on the observation window.
Preferably, the observation window is arranged on the material door, and the operation glove is arranged on the transparent glass plate of the observation window.
Preferably, the box is a rectangular box, the connecting opening is arranged at the bottom of the rectangular box, and the material inlet and the material door are arranged on one side surface of the rectangular box.
Preferably, the oxygen detecting means includes at least two, and an end of each oxygen detecting means opposite to an end opening into the inside of the case is connected to the oxygen content display means.
Preferably, the tank further comprises a filter through which the protective gas is filtered prior to being introduced into the gas inlet.
Preferably, the banburying device can be used for banburying titanium alloy powder, and the protective gas is argon.
Preferably, the connecting opening is connected around the charging port of the charging portion by welding and sealing.
Preferably, a sealing strip is arranged at the joint of the material door and the material inlet, and the material door is connected to the box body through a hinge.
Preferably, the box body is close to the connecting opening, and is also provided with an illuminating lamp.
The atmosphere protection device can ensure that the charging link is not affected by oxygen, can improve the quality of banburying products of easily oxidized powder, is convenient for the transformation of the existing equipment, and is simple and feasible.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic view showing an internal mixing apparatus including an atmosphere protecting device of the present utility model;
FIG. 2 is a schematic view of the mill apparatus including the atmosphere protection device of FIG. 1 with the material door of the atmosphere protection device removed;
FIG. 3 is a perspective view of an atmosphere protection device according to one embodiment of the present utility model;
FIG. 4 is a rear view of the atmosphere protective device shown in FIG. 3 and a protective gas system connected thereto;
FIG. 5 is an enlarged partial view of the tank section of FIG. 4 including the air inlet and the air outlet;
fig. 6 is a bottom view of the atmosphere protection device shown in fig. 3.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings. Moreover, the drawings are not necessarily to scale, and related parts may be exaggerated in order to facilitate understanding.
FIG. 1 is a schematic view showing an internal mixing apparatus including an atmosphere protecting device of the present utility model; fig. 2 is a schematic view of the mill apparatus including the atmosphere protection device of fig. 1 after removal of the material door of the atmosphere protection device. Referring also to fig. 1 and 2, the mixing apparatus is generally indicated by reference numeral 300 and includes a frame 301, and a mixing chamber 303, a pelletization chamber 302, a mixing drive and atmosphere adjustment device 304 for the mixing chamber 303 and a control screen 305 supported on the frame. The banburying apparatus 300 is generally provided with a charging port 308, a pressing lump 307 for pressing the material, and an air pressure driving device 306 for driving the pressing lump above the banburying chamber 303.
The charging port 308 of the mixing chamber 303 of the existing mixing apparatus is open, and the material is charged into the mixing chamber 303 through the charging port 308 under the atmospheric environment. Then the pressure lump 308 is driven by the air pressure adjusting device 306, the added materials are compacted, the charging hole 308 of the banburying chamber 303 is sealed by the pressure lump 308, and banburying is performed under the control of the controller 305. The materials in the internal mixing chamber 303 can be mixed by driving and atmosphere adjusting device 304, so that the added materials are mixed uniformly, and the atmosphere during internal mixing is adjusted. After the internal mixing is completed, granulation is performed again via the granulator 302.
However, the existing banburying equipment cannot meet the protection requirement of active metals such as titanium, magnesium, aluminum and the like which are easy to oxidize in the atmospheric environment because the charging port 308 is in the atmospheric environment.
The atmosphere protection device 100 provided by the utility model is an improvement on the existing banburying equipment, is used for sealing and sealing the charging part of the existing banburying equipment 300, is connected with the protective gas system 200, and is filled with protective gas in the atmosphere protection device 100, so that the protection of the added materials in the charging process of the banburying equipment can be realized, the oxidation of the materials in the charging process is avoided, the existing equipment can be modified in a simple, feasible and low-cost manner, the production requirement of protecting the easily oxidized active metal powder of titanium, magnesium, aluminum and the like in the atmospheric environment is met, and the product quality is improved.
Fig. 3 is a perspective view of an atmosphere protecting apparatus according to an embodiment of the present utility model, fig. 4 is a rear view of the atmosphere protecting apparatus shown in fig. 3 and a protective gas system connected thereto, fig. 5 is a partially enlarged view of a portion of the case including the gas inlet and the gas outlet in fig. 4, and fig. 6 is a bottom view of the atmosphere protecting apparatus shown in fig. 3. The specific structure and function of the atmosphere protecting apparatus of the present utility model will be described below with reference to fig. 3 to 6.
Referring to fig. 3-6, the atmosphere protecting apparatus 100 comprises a shell-type casing 101, the bottom of which is provided with a connection opening 111 (see fig. 6), the casing 101 being adapted to house a charging portion of the mixing apparatus 300, in particular a charging port 308 (see fig. 1 and 2) of the mixing apparatus 300, via the connection opening 101. The connection opening 101 is used to form a sealed connection with the periphery of the charging port 308 of the internal mixing apparatus 300, for example, by welding, or by sealing with a sealant.
With further reference to fig. 4 and 5, the housing 101 is shown with an air inlet 108 and an air outlet 109. The gas inlet 108 is used to allow the protective gas to be filled into the tank 101 by the protective gas system 200, filling the interior of the tank 101. The exhaust port 109 is used to exhaust the gas in the casing 101. Preferably, a one-way valve is provided at the exhaust port 109 to ensure that air within the housing 101 is exhausted by the charged protective gas, while air outside the housing 101 cannot enter the housing. Preferably, the number of air inlets 108 and air outlets 109 may be provided in plurality so that air within the enclosure 101 is rapidly exhausted from the enclosure 101 to achieve a low concentration of oxygen within the enclosure, such as less than 200ppm, to meet the protection requirements for the reactive metal powder.
The protective gas system 200 includes a protective gas bottle 201 and a gas line 202. A flow control valve may be provided in the gas line 202 to control the flow rate of the protective gas outputted from the protective gas bottle 201.
The box 101 is further provided with an oxygen detecting device 107, one end of the oxygen detecting device 107 is led into the box 101 for detecting the oxygen content of the gas in the box 101, and the other end is preferably extended out of the box 101 and connected to an oxygen content display device 106 so as to provide oxygen content data in the box 101. The oxygen detecting means 107 preferably includes at least two to be able to more accurately detect the oxygen content of the respective portions inside the tank 101. The oxygen detecting device 107 and the oxygen content display device 106 are connected by, for example, a signal transmission line.
An operating glove 104 is also provided on the case 101. The glove opening of the operating glove 104 is sealingly connected to the perforated edge of the housing, and the operator's hand can operate inside the housing via the glove and the perforations while keeping the interior of the housing isolated from the exterior. The operation glove 104 is, for example, a nitrile rubber glove.
Referring back to fig. 3, the box 101 is further provided with a material inlet 112 (see fig. 2) and a material door 102. A material inlet 112 is provided in the housing and is openably sealed by the material door 102 for the insertion or removal of various materials to be banburying. Preferably, the junction of the material door 102 and the material inlet 112 is provided with a sealing strip, the material door 102 being connected to the box 101 by means of a hinge 105.
Preferably, a viewing window 103 is further included on the box body at a position suitable for viewing the charging port, and a transparent glass plate is arranged on the viewing window 103. The transparent glass plate is preferably a high-definition explosion-proof glass plate. In the embodiment shown in fig. 3-5, the viewing window 103 is provided on the material door 102 and the operating glove 104 is provided on a transparent glass plate of the viewing window 103. However, the present utility model is not limited thereto, and the observation window 103 may be provided in the immediate vicinity of the material door 102, for example, with the operation glove 104 still provided on the material door 102.
The case 101 of the atmosphere protecting apparatus 100 of the present utility model shown in fig. 3 to 5 is a rectangular case, the connection opening 111 is provided at the bottom of the rectangular case 101, and the material inlet 112 and the material door 102 are provided on one side of the rectangular case, but the present utility model is not limited thereto, and the case 101 may be any shape suitable for practical use, and the connection opening 111 may be provided at any portion of the case that is convenient to connect with the charging portion of the banburying device 300. Likewise, the material inlet 112 and the material gate 102 may be located anywhere on the housing that facilitates the addition of material.
With continued reference to fig. 4, it can be seen that the case 101 may further include a filter 110, and the protective gas is filtered by the filter 110 before being introduced into the air inlet 108, so as to remove impurities such as water vapor or oil contained in the protective gas, thereby further reducing the influence of the active metal powder during use.
The protective gas is preferably argon for titanium powder, and argon, helium, hydrogen or the like for other active metal powder.
For the convenience of observation, an illumination lamp (not shown) is further provided inside the case 101 near the connection opening 111. The illumination lamp is preferably a light emitting diode, more preferably an explosion-proof light emitting diode.
The production process of the internal mixing equipment incorporating the atmosphere protection device of the present utility model will be described below by taking the internal mixing production of titanium powder feed as an example.
In the internal mixing production of the titanium powder feed, the material door 102 is opened first, and the titanium powder and the plastic or resin material to be used for internal mixing and stored in a sealed state are placed in the case 101 of the atmosphere protection device 100. The material door 102 is closed, and the atmosphere protection system 200 is opened, so that, for example, argon gas as a protective gas is filled into the inside of the case 101. When the oxygen content in the box 101 is detected by the oxygen detecting device 107 and the oxygen content is lower than a certain value, for example, the oxygen content is lower than 200ppm, the operator opens the titanium powder held in the seal placed in the box 101 via the operation glove, and adds the titanium powder together with the plastic or resin material into the internal mixing chamber 303 via the charging port 308 of the internal mixing apparatus 300, and then activates the air pressure driving device 306 to drive the pressing lump 307 to compact the material added into the internal mixing chamber 303 and close the charging port 308. The mix drive and atmosphere adjustment device 304 is then activated to mix the materials fed into the mixing chamber 303 uniformly and the mixing is started under the control of the controller 305. After the banburying is completed, the banburying material is conveyed to a granulator 302 for granulation, and finally, the feed for titanium powder injection molding is obtained.
In the whole production process, the titanium powder is not exposed to air, so that continuous and stable production can be ensured. Because the titanium powder is not oxidized all the time, the product quality is improved, and the enterprise safety is ensured.
The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (10)
1. An atmosphere protection device for an internal mixing apparatus, comprising:
The shell type box body is provided with a connecting opening at one side, the box body is used for covering a charging part of the banburying device through the connecting opening, and the connecting opening is used for forming sealing connection with the periphery of a charging opening of the charging part;
The gas inlet is used for enabling protective gas to enter the box body, and the gas outlet is used for discharging the gas in the box body;
the oxygen detection device is arranged on the box body, and one end of the oxygen detection device is communicated into the box body and used for detecting the oxygen content of gas in the box body;
An operating glove, wherein the glove opening is in sealing connection with the perforated edge on the box body, and the hand of an operator can operate in the box body through the glove; and
The material inlet is formed in the box body and can be sealed in an openable mode through the material door and used for placing and taking out materials.
2. The atmosphere protection device according to claim 1, wherein the box body is suitable for observing the charging port and further comprises an observation window, and a transparent glass plate is arranged on the observation window.
3. The atmosphere protection device according to claim 2, wherein the viewing window is provided on a material door and the operating glove is provided on a transparent glass plate of the viewing window.
4. An atmosphere protection device according to any one of claims 1-3, wherein the housing is a rectangular housing, the connection opening is provided at the bottom of the rectangular housing, and the material inlet and the material gate are provided on one side of the rectangular housing.
5. An atmosphere protection device according to any one of claims 1 to 3, wherein the oxygen detection devices comprise at least two and an end of each oxygen detection device opposite to the end opening into the interior of the cabinet is connected to an oxygen content display device.
6. An atmosphere protection device according to any one of claims 1 to 3, wherein the housing further comprises a filter through which the protective gas is filtered prior to being introduced into the inlet.
7. An atmosphere protection device according to any one of claims 1 to 3, wherein the banburying device is operable for banburying titanium alloy powder, and the protective gas is argon.
8. An atmosphere protecting device according to any one of claims 1-3, wherein the connection opening is sealingly connected to the periphery of the charging opening of the charging portion by welding.
9. An atmosphere protection device according to any one of claims 1-3, wherein the junction of the material door and the material inlet is provided with a sealing strip, the material door being connected to the housing by a hinge.
10. An atmosphere protection device according to any one of claims 1-3, wherein a lighting lamp is provided inside the housing adjacent to the connection opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029587.2U CN221089608U (en) | 2023-11-09 | 2023-11-09 | Atmosphere protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029587.2U CN221089608U (en) | 2023-11-09 | 2023-11-09 | Atmosphere protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221089608U true CN221089608U (en) | 2024-06-07 |
Family
ID=91301724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323029587.2U Active CN221089608U (en) | 2023-11-09 | 2023-11-09 | Atmosphere protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221089608U (en) |
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2023
- 2023-11-09 CN CN202323029587.2U patent/CN221089608U/en active Active
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| GR01 | Patent grant |