CN112958756A - Connecting method of conductive mesh contact piece - Google Patents
Connecting method of conductive mesh contact piece Download PDFInfo
- Publication number
- CN112958756A CN112958756A CN202110166285.6A CN202110166285A CN112958756A CN 112958756 A CN112958756 A CN 112958756A CN 202110166285 A CN202110166285 A CN 202110166285A CN 112958756 A CN112958756 A CN 112958756A
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- CN
- China
- Prior art keywords
- heating
- conductive
- mould
- mesh contact
- oil
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
Abstract
A method for connecting conductive mesh contact pieces comprises the following steps: placing a mould on a conductive net, and placing conductive metal into a cavity of the mould; filling heating oil which exceeds the melting temperature of the conductive metal into a heat exchange cavity at the periphery of the mold cavity, and heating the conductive metal to a molten state; defoaming the molten metal by ultrasonic waves; and (3) leading out the heating oil in the mould, and injecting cooling oil into the mould to solidify the conductive metal in a molten state to form the conductive mesh contact piece. According to the invention, the heating temperature can be well controlled and the fluctuation of the temperature is small by injecting the heating oil into the heat exchange cavity, and the cooling oil can be injected by guiding out the heating oil, so that the conversion speed of heating and cooling is high, and the production rate is improved.
Description
Technical Field
The invention relates to the technical field of conductive mesh production, in particular to a method for connecting conductive mesh contact pieces.
Background
The conductive net is also called a conductive gauze and is used for balancing potential, and in practical use, the conductive net needs to be externally connected with a lead by using a conductive net contact piece to remove charges on the conductive net.
The existing processing method comprises the steps of arranging a heating wire in a mold, heating a conductive metal block by the heating wire to a molten state, and then cooling the conductive metal block to room temperature, wherein three defects exist in the method, one is that the temperature generated by the heating wire is not controllable, and the other one is that the molten conductive metal liquid is mixed with bubbles to cause the surface of a contact piece to form defects.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
Disclosure of Invention
The present invention is directed to a method for connecting a conductive mesh contact sheet, which can effectively solve the above-mentioned problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
a method for connecting conductive mesh contact pieces comprises the following steps:
step S1: placing a mould on a conductive net, and placing conductive metal into a cavity of the mould;
step S2: filling heating oil which exceeds the melting temperature of the conductive metal into a heat exchange cavity at the periphery of the mold cavity, and heating the conductive metal to a molten state;
step S3: defoaming the molten metal by ultrasonic waves;
step S4: and (3) leading out the heating oil in the mould, and injecting cooling oil into the mould to solidify the conductive metal in a molten state to form the conductive mesh contact piece.
Further: the conductive metal is tin or tin-copper alloy, and heating oil at the temperature of 280-300 ℃ is filled into the die.
Further: the heating oil was charged for 2 minutes.
Further: the ultrasonic waves have a frequency of 15 to 25 kilohertz and an energy of 2500 to 3000 joules.
Further: the cooling oil fill time is 0.5 to 1 minute.
Further: and a liquid inlet pipe and a liquid discharge pipe are arranged on the mold, and heating oil or cooling oil enters the heat exchange cavity through the liquid inlet pipe and is discharged from the liquid discharge pipe.
Compared with the prior art, the invention has the following beneficial effects:
according to the connecting method of the conductive mesh contact piece, the heating oil is injected into the heat exchange cavity, so that the heating temperature can be well controlled, the temperature fluctuation is small, the heating oil is led out, the cooling oil can be injected, the heating and cooling conversion speed is high, and the production rate is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic view of a conductive mesh contact sheet in the present invention.
Fig. 2 is a top view of the mold of the present invention.
Fig. 3 is a sectional view of the mold in the present invention.
In the figure: 1 is a conductive net, 2 is a contact piece, 3 is a mould, 31 is a cavity, 32 is a heat exchange cavity, 33 is a liquid inlet pipe, and 34 is a liquid outlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in fig. 1 to 3, the method for connecting the conductive mesh contact sheet of the present invention comprises the following steps:
step S1: placing a mould on a conductive net, and placing conductive metal into a cavity of the mould;
step S2: filling heating oil which exceeds the melting temperature of the conductive metal into a heat exchange cavity on the periphery of a mold cavity, heating the conductive metal to a molten state, and injecting the heating oil into the heat exchange cavity to well control the heating temperature, wherein the temperature fluctuation is small, and the heating oil is preferably mineral oil;
step S3: defoaming the molten metal by ultrasonic waves;
step S4: the heating oil in the die is led out, the cooling oil is injected into the die, the conductive metal in the molten state is solidified to form a conductive mesh contact piece, the cooling oil is injected into the heat exchange cavity to cool the conductive metal in the molten state, the conductive metal is rapidly cooled, the production rate is improved, and the cooling oil is preferably mineral oil.
Through the control heating temperature that injects the heating oil that the heat transfer intracavity can be fine on the one hand, the fluctuation of temperature is little, and on the other hand exports the heating oil and can injects the cooling oil, and heating and refrigerated slew velocity are fast, improve production rate.
The conductive metal is tin or tin-copper alloy, the cost of the tin or tin-copper alloy is low, and heating oil at the temperature of 280-300 ℃ is filled into the die.
The filling time of the heating oil is 2 minutes, and the conductive metal is guaranteed to be molten.
The frequency of the ultrasonic wave is 15 to 25 kilohertz, the energy is 2500 to 3000 joules, and the defoaming effect is good.
The filling time of the cooling oil is 0.5 to 1 minute, and the cooling speed is high.
And a liquid inlet pipe and a liquid discharge pipe are arranged on the mold, and heating oil or cooling oil enters the heat exchange cavity through the liquid inlet pipe and is discharged from the liquid discharge pipe.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (6)
1. A method for connecting a conductive mesh contact piece is characterized in that: the method comprises the following steps:
step S1: placing a mould on a conductive net, and placing conductive metal into a cavity of the mould;
step S2: filling heating oil which exceeds the melting temperature of the conductive metal into a heat exchange cavity at the periphery of the mold cavity, and heating the conductive metal to a molten state;
step S3: defoaming the molten metal by ultrasonic waves;
step S4: and (3) leading out the heating oil in the mould, and injecting cooling oil into the mould to solidify the conductive metal in a molten state to form the conductive mesh contact piece.
2. The method of connecting conductive mesh contact sheets according to claim 1, wherein: the conductive metal is tin or tin-copper alloy, and heating oil at the temperature of 280-300 ℃ is filled into the die.
3. The method of connecting conductive mesh contact sheets according to claim 2, wherein: the heating oil was charged for 2 minutes.
4. The method of connecting conductive mesh contact sheets according to claim 1, wherein: the ultrasonic waves have a frequency of 15 to 25 kilohertz and an energy of 2500 to 3000 joules.
5. The method of connecting conductive mesh contact sheets according to claim 1, wherein: the cooling oil fill time is 0.5 to 1 minute.
6. The method of connecting conductive mesh contact sheets according to claim 1, wherein: and a liquid inlet pipe and a liquid discharge pipe are arranged on the mold, and heating oil or cooling oil enters the heat exchange cavity through the liquid inlet pipe and is discharged from the liquid discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166285.6A CN112958756A (en) | 2021-02-04 | 2021-02-04 | Connecting method of conductive mesh contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110166285.6A CN112958756A (en) | 2021-02-04 | 2021-02-04 | Connecting method of conductive mesh contact piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112958756A true CN112958756A (en) | 2021-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110166285.6A Pending CN112958756A (en) | 2021-02-04 | 2021-02-04 | Connecting method of conductive mesh contact piece |
Country Status (1)
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| CN (1) | CN112958756A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832981A (en) * | 1997-03-19 | 1998-11-10 | Metallamics, Inc. | Construction and method of making heat-exchanging cast metal forming tool |
| CN106238848A (en) * | 2016-08-22 | 2016-12-21 | 京信通信技术(广州)有限公司 | Hardware and PCB non-contact thermal Sn-coupled SSBR method |
| CN109301513A (en) * | 2018-10-24 | 2019-02-01 | 云南电网有限责任公司电力科学研究院 | A kind of haptoreaction formula cable connecting arrangement and connection method |
| CN109434232A (en) * | 2018-12-12 | 2019-03-08 | 云南电网有限责任公司电力科学研究院 | A kind of cable connecting arrangement and connection method with heating refrigerating function |
| CN208872089U (en) * | 2018-09-05 | 2019-05-17 | 东莞市申德机械配件有限公司 | It is a kind of for melting the smelting furnace of block tin |
-
2021
- 2021-02-04 CN CN202110166285.6A patent/CN112958756A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5832981A (en) * | 1997-03-19 | 1998-11-10 | Metallamics, Inc. | Construction and method of making heat-exchanging cast metal forming tool |
| CN106238848A (en) * | 2016-08-22 | 2016-12-21 | 京信通信技术(广州)有限公司 | Hardware and PCB non-contact thermal Sn-coupled SSBR method |
| CN208872089U (en) * | 2018-09-05 | 2019-05-17 | 东莞市申德机械配件有限公司 | It is a kind of for melting the smelting furnace of block tin |
| CN109301513A (en) * | 2018-10-24 | 2019-02-01 | 云南电网有限责任公司电力科学研究院 | A kind of haptoreaction formula cable connecting arrangement and connection method |
| CN109434232A (en) * | 2018-12-12 | 2019-03-08 | 云南电网有限责任公司电力科学研究院 | A kind of cable connecting arrangement and connection method with heating refrigerating function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210615 |
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| RJ01 | Rejection of invention patent application after publication |