CN210336659U - Magnetism-attracting source shell and manufacturing equipment thereof - Google Patents
Magnetism-attracting source shell and manufacturing equipment thereof Download PDFInfo
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- CN210336659U CN210336659U CN201920917076.9U CN201920917076U CN210336659U CN 210336659 U CN210336659 U CN 210336659U CN 201920917076 U CN201920917076 U CN 201920917076U CN 210336659 U CN210336659 U CN 210336659U
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- rubber sleeve
- magnetic rubber
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- source shell
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Abstract
The utility model discloses a parent's magnetism source shell and manufacture equipment thereof, manufacture equipment includes: the glue injection molding die is provided with an accommodating cavity, the shape of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve of the magnetism-attracting source shell, and the size of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve; the accommodating cavity is provided with a colloid injection port; the stirring machine is provided with a stirring cavity, and the stirring cavity is provided with a colloid output port corresponding to the colloid injection port; and the heating unit capable of heating the stirring cavity is arranged on the stirrer. Adopt the utility model discloses, through the fashioned mode of injecting glue directly obtain with the magnetism source shell assorted magnetic rubber cover of parent, for general casing rubber coating mode, the utility model discloses make the production of parent's magnetism source shell more convenient, promoted the production efficiency of parent's magnetism source shell and reduction in production cost.
Description
Technical Field
The utility model relates to a neutron source, specifically speaking relates to a parent's magnetism source shell and manufacture equipment thereof.
Background
When drilling petroleum, the well must be measured after reaching the well depth, and the purpose of measuring the well is to obtain the effective thickness, porosity, hydrocarbon saturation, permeability and the like of the oil layer.
Logging techniques typically employ LWD (Logging While Drilling), which includes measurement parameters of MWD (measurement While Drilling, and measurement of borehole trajectory parameters including inclination angle, azimuth angle, tool face angle, and auxiliary parameters such as temperature, etc.), and also includes geological parameters (such as resistivity While Drilling, gamma While Drilling, density While Drilling, porosity While Drilling, etc.) and Drilling engineering parameters (Drilling tool torque, vibration While Drilling, pressure While Drilling, etc.), and may be said to be an upgrade to MWD.
As the radioactive source is loaded and unloaded in the well logging process, the radioactive source has the risk of falling into the well, and once the radioactive source falls into the well, the radioactive source needs to be salvaged. The well falling salvage mode is divided into magnetic salvage and grabbing salvage, and the most reliable mode at present is magnetic salvage, so that the source shell has certain magnetism and becomes a rigid requirement of oil field well logging. The conventional neutron source shell for well logging adopts austenitic stainless steel, does not have enough magnetism, is difficult to salvage in a magnetic adsorption mode, and can only be salvaged by grabbing in the conventional salvage mode, so that the radioactive source shell is easily damaged, even the internal structure of a source core is influenced, and the normal operation of well logging is influenced.
Therefore, the structure of the existing neutron source for well logging is changed, the magnetism-loving source shell is adopted, the neutron source for well logging can adopt a magnetic fishing mode, the technology which needs to be adopted is one of the technologies, but in the production of the magnetism-loving source shell, magnetic colloid is directly coated manually, the production efficiency of the mode is low, the cost is high, the production efficiency of the magnetism-loving source shell is improved, the production cost is reduced, and the problem to be solved is solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a parent's magnetism source shell and manufacture equipment thereof solves the technical problem that prior art's parent's magnetism source shell production efficiency is low, the cost is higher.
In order to achieve the above object, the present invention provides a manufacturing apparatus of a magnetism-philic source shell, comprising:
the glue injection molding die is provided with an accommodating cavity, the shape of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve of the magnetism-attracting source shell, and the size of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve; the accommodating cavity is provided with a colloid injection port;
the stirring machine is provided with a stirring cavity, and the stirring cavity is provided with a colloid output port corresponding to the colloid injection port;
and the heating unit capable of heating the stirring cavity is arranged on the stirrer.
In one embodiment of the above-described manufacturing apparatus,
the shape of the outer surface of the magnetic rubber sleeve is consistent with the shape of the inner surface of the outer wrapping shell of the magnetism-philic source shell; the size of the outer surface of the magnetic rubber sleeve is consistent with that of the inner surface of the outer casing;
the inner surface of the magnetic rubber sleeve is in the same shape as the outer surface of the inner cladding of the magnetism-attracting source shell, and the size of the inner surface of the magnetic rubber sleeve is smaller than that of the outer surface of the inner cladding.
In an embodiment of the above manufacturing apparatus, the stirring chamber has a magnetic powder inlet and a liquid rubber inlet; the ratio of the input flow of the magnetic powder inlet to the input flow of the liquid rubber inlet was 4: 1.
In an embodiment of the above manufacturing apparatus, the heating unit is disposed outside the stirring chamber.
In order to better achieve the above object, the present invention further provides a magnetic source casing manufactured by the above manufacturing apparatus, comprising:
an inner envelope;
the magnetic rubber sleeve is sleeved on the outer surface of the inner cladding;
and the outer casing is sleeved on the outer surface of the magnetic rubber sleeve.
In an embodiment of the above-mentioned magnetism-philic source housing, an outer surface of the inner housing shell is cylindrical, and an inner surface of the magnetic rubber sleeve is also cylindrical.
In an embodiment of the above-described magnetically-philic source housing, in an unassembled state in which the magnetic rubber sleeve is detached from the inner casing, a diameter of an inner surface of the magnetic rubber sleeve is smaller than a diameter of an outer surface of the inner casing.
In one embodiment of the above-mentioned magnetism-philic source housing, the difference between the diameter of the inner surface of the magnetic rubber sleeve and the diameter of the outer surface of the inner cladding is 0.3-0.8 mm.
In an embodiment of the above-mentioned magnetic-philic source shell, the difference is 0.5 mm.
Adopt the utility model discloses, through the fashioned mode of injecting glue directly obtain with the magnetism source shell assorted magnetic rubber cover of parent, for general casing rubber coating mode, the utility model discloses make the production of parent's magnetism source shell more convenient, promoted the production efficiency of parent's magnetism source shell and reduction in production cost.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a sectional view of a structure of a glue injection mold of a manufacturing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a mixer of a manufacturing apparatus according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of the structure of the magnetic source-compatible housing according to an embodiment of the present invention.
Wherein the reference numerals are described below
The utility model discloses in:
110 injecting glue to form the mould;
111 an accommodating cavity;
112 a colloid injection port;
120 stirrer;
121 a stirring cavity;
122 a colloid output port;
123 a magnetic powder inlet;
124 a liquid rubber inlet;
130 a heating unit;
210 an outer envelope;
220 magnetic rubber sleeve;
230 are encased.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and specific embodiments for further understanding the objects, aspects and functions of the present invention, but not for limiting the scope of the appended claims.
Fig. 1 is the utility model discloses an injecting glue forming die's of manufacture equipment's of embodiment structural section, fig. 2 is the utility model discloses a structural schematic diagram of the mixer of manufacture equipment of embodiment, as shown in fig. 1, fig. 2, the utility model provides a manufacture equipment of parent's magnetism source shell, include:
the glue injection molding die 110 is provided with an accommodating cavity 111, the shape of the inner space of the accommodating cavity 111 is consistent with that of the magnetic rubber sleeve of the magnetism-attracting source shell, and the size of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve; the accommodating cavity 111 is provided with a colloid injection port 112;
a mixer 120 having a mixing chamber 121, wherein the mixing chamber 121 has a colloid outlet 122 corresponding to the colloid inlet 112;
a heating unit 130 capable of heating the stirring chamber is provided in the stirrer 120.
It can be seen that, in the embodiment of the present invention, the magnetic rubber after being heated is obtained through the stirring machine 120 and the heating unit 130, and the magnetic rubber is received through the glue injection molding mold 110, and the magnetic rubber directly obtains the magnetic rubber sleeve with the predetermined shape after being cooled. Therefore, the utility model discloses a fashioned mode of injecting glue directly obtained with the magnetism source shell assorted magnetic rubber cover of parent, for common casing rubber coating mode, the utility model discloses make the production of parent's magnetism source shell more convenient, promoted the production efficiency of parent's magnetism source shell and reduction in production cost.
As shown in fig. 2, in an embodiment of the present invention, the stirring chamber 121 has a magnetic powder inlet 123 and a liquid rubber inlet 124; the ratio of the input flow of the magnetic powder inlet to the input flow of the liquid rubber inlet was 4: 1.
As shown in fig. 2, in an embodiment of the present invention, the heating unit 130 is disposed outside the stirring chamber 121.
Fig. 3 is a cross-sectional view of the structure of the magnetism-philic source shell according to an embodiment of the present invention, as shown in fig. 3, in an embodiment of the present invention, the outer surface shape of the magnetic rubber sleeve 220 is consistent with the inner surface shape of the outer envelope 210 of the magnetism-philic source shell; the size of the outer surface of the magnetic rubber sleeve 220 is consistent with the size of the inner surface of the outer casing 210;
the inner surface of the magnetic rubber sleeve 220 is shaped to conform to the outer surface of the inner envelope 230 of the magnetism-attracting source envelope, and the inner surface of the magnetic rubber sleeve 220 is smaller in size than the outer surface of the inner envelope 230.
That is, the magnetic rubber sleeve 220 is attached to the inner surface of the outer envelope 210 and has a consistent size. The inner surface of the magnetic rubber sleeve 220 is smaller than the outer surface of the inner sheath 230, and although the inner sheath 230 is located inside the magnetic rubber sleeve 220, the inner sheath 230 can be accommodated because the magnetic rubber sleeve 220 has a certain elasticity, which is to ensure that the inner sheath 230 and the magnetic rubber sleeve 220 can be tightly fitted and fixed.
As shown in fig. 3, the embodiment of the present invention also provides a magnetism-philic source shell manufactured by using the above manufacturing apparatus, including:
an inner enclosure 230;
a magnetic rubber sleeve 220 sleeved on the outer surface of the inner cladding 230;
and the outer casing 210 is sleeved on the outer surface of the magnetic rubber sleeve 220.
In one embodiment of the present invention, the outer surface of the inner casing 230 is cylindrical, and the inner surface of the magnetic rubber sleeve 220 is also cylindrical.
In an embodiment of the present invention, in an unassembled state where the magnetic rubber sleeve 220 is separated from the inner cladding 230, a diameter of an inner surface of the magnetic rubber sleeve 220 is smaller than a diameter of an outer surface of the inner cladding 230.
Although the inner pack 230 is located inside the magnetic rubber sleeve 220 after assembly, the magnetic rubber sleeve 220 has a certain elasticity to accommodate the inner pack 230, which is to ensure a tight fit between the inner pack 230 and the magnetic rubber sleeve 220.
In one embodiment of the invention, the difference between the diameter of the inner surface of the magnetic rubber sleeve and the diameter of the outer surface of the inner cladding is 0.3-0.8 mm. For example, the difference is 0.5 mm.
An embodiment of the utility model also provides a manufacturing approach that adopts above manufacture equipment to make the parent's magnetism source shell, and the parent's magnetism source shell of neutron source adopts the three-layer source shell structure of two in-layer claddings, the outer cladding of one deck that argon arc welds the seal welding. The manufacturing method comprises the following steps:
the first step is as follows: and customizing a die, wherein the wall thickness is the size of a gap between the inner cladding and the outer cladding, the inner diameter is 0.5mm smaller than the outer diameter of the inner cladding, and the die is in a thin-wall cylindrical shape.
The second step is that: fully mixing magnetic reduced graphene oxide powder and liquid rubber, wherein the ratio of the magnetic powder to the liquid rubber is 4:1, adding a compounding agent, quickly stirring by using a stirrer, heating in the stirring process to ensure that a crosslinking reaction is completely generated, pouring the stirred liquid into a mold, cooling and solidifying, and standing for more than 24 hours.
The third step: and taking out the thin-wall cylindrical rubber sleeve after the curing is finished from the die, sleeving the thin-wall cylindrical rubber sleeve outside the inner envelope to ensure that the rubber sleeve is tightly attached to the outer wall of the outer envelope without a gap, and finally sleeving the outer envelope to finish the assembly to integrally form the source shell structure with magnetism.
After the rubber is radiated by gamma rays, the mechanical property of the rubber is reduced by more than half. However, the corrosion resistance of the material can be improved by adding the magnetic reduced graphene oxide powder instead of the magnetic graphene oxide powder. Thereby reducing the probability of radiation aging degradation occurring.
From the above, the utility model discloses have following advantage:
1) the utility model discloses a fashioned mode of injecting glue directly obtained with the magnetism of parent's magnetism source shell assorted magnetic rubber cover, for general casing rubber coating mode, the utility model discloses make the production of parent's magnetism source shell more convenient, promoted the production efficiency of parent's magnetism source shell and reduction in production cost.
2) The utility model discloses in, the internal surface of magnetic rubber sleeve will be less than the surface of interior cladding, though interior cladding is located inside the magnetic rubber sleeve, that because the magnetic rubber sleeve has certain elasticity and just can hold interior cladding, this kind of mode is fixed for the inseparable cooperation of ability between interior cladding and the magnetic rubber sleeve.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (9)
1. An apparatus for manufacturing a magnetically attractable source shell, comprising:
the glue injection molding die is provided with an accommodating cavity, the shape of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve of the magnetism-attracting source shell, and the size of the inner space of the accommodating cavity is consistent with that of the magnetic rubber sleeve; the accommodating cavity is provided with a colloid injection port;
the stirring machine is provided with a stirring cavity, and the stirring cavity is provided with a colloid output port corresponding to the colloid injection port;
and the heating unit capable of heating the stirring cavity is arranged on the stirrer.
2. The manufacturing apparatus according to claim 1,
the shape of the outer surface of the magnetic rubber sleeve is consistent with the shape of the inner surface of the outer wrapping shell of the magnetism-philic source shell; the size of the outer surface of the magnetic rubber sleeve is consistent with that of the inner surface of the outer casing;
the inner surface of the magnetic rubber sleeve is in the same shape as the outer surface of the inner cladding of the magnetism-attracting source shell, and the size of the inner surface of the magnetic rubber sleeve is smaller than that of the outer surface of the inner cladding.
3. The manufacturing apparatus according to claim 1,
the stirring cavity is provided with a magnetic powder inlet and a liquid rubber inlet; the ratio of the input flow of the magnetic powder inlet to the input flow of the liquid rubber inlet was 4: 1.
4. The manufacturing apparatus according to claim 1, wherein the heating unit is disposed outside the stirring chamber.
5. A magnetically-philic source shell fabricated using the fabrication apparatus of claim 1, comprising:
an inner envelope;
the magnetic rubber sleeve is sleeved on the outer surface of the inner cladding;
and the outer casing is sleeved on the outer surface of the magnetic rubber sleeve.
6. The magnetically attractable source housing as claimed in claim 5, wherein the outer surface of the inner enclosure is cylindrical and the inner surface of the magnetic rubber sleeve is also cylindrical.
7. The magnetically-philic source housing as claimed in claim 6, wherein in an unassembled state with the magnetic rubber sleeve disengaged from the inner casing, the diameter of the inner surface of the magnetic rubber sleeve is less than the diameter of the outer surface of the inner casing.
8. The magnetically attractable source housing as claimed in claim 7, wherein the difference between the diameter of the inner surface of the magnetic rubber sleeve and the diameter of the outer surface of the inner containment shell is 0.3-0.8 mm.
9. The magnetically attractable source shell of claim 8, wherein the difference is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917076.9U CN210336659U (en) | 2019-06-18 | 2019-06-18 | Magnetism-attracting source shell and manufacturing equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917076.9U CN210336659U (en) | 2019-06-18 | 2019-06-18 | Magnetism-attracting source shell and manufacturing equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210336659U true CN210336659U (en) | 2020-04-17 |
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ID=70186430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917076.9U Active CN210336659U (en) | 2019-06-18 | 2019-06-18 | Magnetism-attracting source shell and manufacturing equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210336659U (en) |
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2019
- 2019-06-18 CN CN201920917076.9U patent/CN210336659U/en active Active
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