CN213905802U - Sintering mold for single-needle pressure-bearing connector - Google Patents
Sintering mold for single-needle pressure-bearing connector Download PDFInfo
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- CN213905802U CN213905802U CN202023219113.0U CN202023219113U CN213905802U CN 213905802 U CN213905802 U CN 213905802U CN 202023219113 U CN202023219113 U CN 202023219113U CN 213905802 U CN213905802 U CN 213905802U
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Abstract
The utility model relates to a connector sintering mould technical field, concretely relates to single needle pressure-bearing connector sintering mould. The sintering die for the single-needle pressure-bearing connector comprises a lower die plate and an upper die plate, wherein an upper step positioning hole and a lower step positioning hole which are subjected to milling processing and matched with an upper positioning table and a lower positioning table are formed in the upper die plate and the lower die plate respectively; the upper positioning table is provided with a first through hole, the diameters of multiple sections of the inner wall of the first through hole are different, the lower positioning table is provided with a second through hole, the diameters of multiple sections of the inner wall of the second through hole are different, a connector to be sintered is arranged in the first through hole and the second through hole in the upper positioning table and the lower positioning table, the upper portion of the connector is provided with an upper positioning pipe, the upper positioning pipe is clamped in the upper positioning table, the lower portion of the connector is provided with a lower positioning pipe, and the lower positioning pipe is clamped in the lower positioning table.
Description
Technical Field
The utility model relates to a connector sintering mould technical field, concretely relates to single needle pressure-bearing connector sintering mould.
Background
The single-needle pressure-bearing connector is widely applied to logging instruments for oil exploration, and the environment of the single-needle pressure-bearing connector is often extremely severe environments such as high temperature, high pressure and the like. Electrical connectors used in oil logging instruments are therefore typically required to withstand the pressure of the mud in the outer well. The inner cavity of the logging instrument is usually filled with silicone oil to balance the internal and external pressures, so the electrical connector should have good sealing and bearing functions.
At present, a graphite mold is usually adopted for sintering the connector, because the graphite mold has excellent heat conduction and electric conduction performance, low linear expansion coefficient, good thermal stability and heating impact resistance, chemical corrosion resistance and difficult reaction of most metals, strength is increased along with temperature rise at high temperature (at the sintering temperature of more than 800 ℃ of most copper-based tire bodies), the processing is easy, the mechanical processing performance is good, and the graphite mold can be manufactured into a mold with complex shape and high precision.
However, because the expansion coefficient of the graphite mold is small, the expansion coefficient of the connector is large due to the selection of materials, so that the size of a sintered product is shortened due to the asynchronous expansion coefficient in the sintering process, the batch scrapping of the product is caused, and the yield of the product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough among the above-mentioned prior art, provide a single needle pressure-bearing connector sintering mould, its simple structure and use convenient operation can effectual support and fixed connector sintering to can be along with connector sintering process volume expansion and free expansion, improve the yield of product.
A sintering die for a single-needle pressure-bearing connector comprises a lower die plate and an upper die plate, wherein an upper step positioning hole and a lower step positioning hole which are subjected to milling processing and matched with an upper positioning table and a lower positioning table are formed in the upper die plate and the lower die plate respectively; the upper positioning table is provided with a first through hole, the diameters of multiple sections of the inner wall of the first through hole are different, the lower positioning table is provided with a second through hole, the diameters of multiple sections of the inner wall of the second through hole are different, a connector to be sintered is arranged in the first through hole and the second through hole in the upper positioning table and the lower positioning table, the upper portion of the connector is provided with an upper positioning pipe, the upper positioning pipe is clamped in the upper positioning table, the lower portion of the connector is provided with a lower positioning pipe, and the lower positioning pipe is clamped in the lower positioning table.
Further, the first through hole and the second through hole are coaxially arranged.
Furthermore, a third through hole is formed in the upper positioning pipe, the upper end of the connector is inserted into the third through hole, a fourth through hole is formed in the lower positioning pipe, and the lower end of the connector is inserted into the fourth through hole.
Furthermore, the first through hole and the second through hole are three-stage steps with four different diameters.
The utility model discloses the beneficial effect who brings is:
1. simple structure and convenient use and operation.
2. The expansion of the connector can be freely realized in the sintering process, and the yield of the product is improved.
3. Convenient disassembly and easy loading and unloading.
4. The high-temperature insulating property and the pressure-bearing property of the product can be effectively improved.
5. The two materials are matched, so that the size requirement of the product can be ensured, and the cost is saved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of a connector according to the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the lower template of the present invention;
fig. 4 is a cross-sectional view of the upper plate of the present invention;
fig. 5 is a cross-sectional view of the lower positioning table of the present invention;
fig. 6 is a sectional view of the upper positioning table of the present invention;
fig. 7 is a cross-sectional view of the lower positioning tube of the present invention;
fig. 8 is a sectional view of the upper positioning tube of the present invention.
Detailed Description
The present invention is further described in detail below by way of examples:
as an embodiment of the sintering mold for the single-needle pressure-bearing connector of the present invention, as shown in fig. 1 to 8, a sintering mold for the single-needle pressure-bearing connector includes a lower template 1 and an upper template 2, wherein the upper template 2 and the lower template 1 are respectively provided with an upper step positioning hole 9 and a lower step positioning hole 8 which are milled and matched with an upper positioning stage 4 and a lower positioning stage 3, the upper positioning stage 4 is embedded in the upper step positioning hole 9, the lower positioning stage 3 is embedded in the lower step positioning hole 8, and the upper positioning stage 4 and the lower positioning stage 3 are coaxially arranged; last locating platform 4 is last to be equipped with first through-hole 11, first through-hole 11 inner wall multistage diameter is different, be equipped with second through-hole 10 down on the locating platform 3, second through-hole 10 inner wall multistage diameter is different, and the connector 7 that will sinter is arranged in last locating platform 4 and the inside first through-hole 11 of lower locating platform and second through-hole 10, sets up registration arm 6 on the upper portion of connector 7, and 6 cards of last registration arm are in last locating platform 4, and registration arm 5 is down set up to the lower part of connector 7, and 5 cards of registration arm are down in locating platform 3.
In this embodiment, the first through hole 11 and the second through hole 10 are coaxially disposed.
In this embodiment, the upper positioning tube 6 is provided with a third through hole 13, the upper end of the connector 7 is inserted into the third through hole 13, the lower positioning tube 5 is provided with a fourth through hole 12, and the lower end of the connector 7 is inserted into the fourth through hole 12.
In the embodiment, the lower template 1 and the upper template 2 are made of IG70 graphite plates with compact materials and uniform thickness, an upper step positioning hole 9 and a lower step positioning hole 8 which are matched with the upper positioning table 4 and the lower positioning table 3 are milled between the lower template 1 and the upper template 2, the tolerance of the upper step positioning hole and the lower step positioning hole is 0- +0.05 of the hole size, and the step height is 10 mm. The material of the lower positioning table 3 of the lower template 1 and the material of the upper positioning table 4 of the upper template 2 are the same as the material of the connector, an Inconel X750 or an Inconel 728 bar is generally selected, the outer diameter of the Inconel X750 or the Inconel 728 bar is processed into a step shape to be matched with the lower template 1 and the upper template 2, the tolerance of the Inconel X728 bar is-0.08 to-0.03 of the outer diameter size, the first through hole 11 and the second through hole 10 are three-stage steps, the third through hole 13 and the fourth through hole 14 are matched with the lower positioning tube 5 and the upper positioning tube 6, and the wall thickness of the cavity of the lower positioning table 3 and the upper positioning table 4 is ensured to be larger than 1mm so as to ensure the strength requirement of the materials. The upper positioning pipe 5 and the lower positioning pipe 6 are made of graphite IG70 bar materials, the outer diameter of the upper positioning pipe is in a step shape and is matched with the lower positioning table 3 and the upper positioning table 4, the tolerance of the outer diameter is-0.08 to-0.03 of the outer diameter, the inner diameter of the upper positioning pipe is matched with the contact pin of the connector 7, and the tolerance of the size is +0.02 to +0.04 of the outer diameter of the contact pin. When the connector 7 is used, the lower template 1 and the lower positioning table 3 are assembled, the lower positioning pipe 5 is placed in the lower positioning table 3, then the connector 7 is assembled, after the connector 7 is assembled, the upper template 2 is installed, the upper positioning table 4 is installed, the upper positioning pipe 6 is installed, and then the sintering furnace can be placed for sintering.
In the utility model, the principle and the implementation mode of the utility model are explained by applying the specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the utility model; for those skilled in the art, the invention can be modified in various embodiments and applications without departing from the spirit and scope of the invention, and therefore the scope of the present invention should not be limited by the claims.
Claims (4)
1. A sintering die for a single-needle pressure-bearing connector is characterized by comprising a lower die plate and an upper die plate, wherein an upper step positioning hole and a lower step positioning hole which are subjected to milling processing and matched with an upper positioning table and a lower positioning table are formed in the upper die plate and the lower die plate respectively; the upper positioning table is provided with a first through hole, the diameters of multiple sections of the inner wall of the first through hole are different, the lower positioning table is provided with a second through hole, the diameters of multiple sections of the inner wall of the second through hole are different, a connector to be sintered is arranged in the first through hole and the second through hole in the upper positioning table and the lower positioning table, the upper portion of the connector is provided with an upper positioning pipe, the upper positioning pipe is clamped in the upper positioning table, the lower portion of the connector is provided with a lower positioning pipe, and the lower positioning pipe is clamped in the lower positioning table.
2. The sintering die for a single-pin pressure-bearing connector according to claim 1, wherein the first through-hole and the second through-hole are coaxially arranged.
3. The sintering mold for a single-needle pressure-bearing connector according to claim 1, wherein a third through hole is provided on the upper positioning tube, the upper end of the connector is inserted into the third through hole, a fourth through hole is provided on the lower positioning tube, and the lower end of the connector is inserted into the fourth through hole.
4. The sintering die for a single-pin pressure-bearing connector according to claim 1, wherein the first through hole and the second through hole are three steps of four different diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023219113.0U CN213905802U (en) | 2020-12-28 | 2020-12-28 | Sintering mold for single-needle pressure-bearing connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023219113.0U CN213905802U (en) | 2020-12-28 | 2020-12-28 | Sintering mold for single-needle pressure-bearing connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213905802U true CN213905802U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023219113.0U Active CN213905802U (en) | 2020-12-28 | 2020-12-28 | Sintering mold for single-needle pressure-bearing connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213905802U (en) |
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2020
- 2020-12-28 CN CN202023219113.0U patent/CN213905802U/en active Active
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