CN111128486A - Roundness control method for pressed glass insulator - Google Patents
Roundness control method for pressed glass insulator Download PDFInfo
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- CN111128486A CN111128486A CN201911311256.3A CN201911311256A CN111128486A CN 111128486 A CN111128486 A CN 111128486A CN 201911311256 A CN201911311256 A CN 201911311256A CN 111128486 A CN111128486 A CN 111128486A
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- Prior art keywords
- glass insulator
- screening
- screen
- roundness
- temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Joining Of Glass To Other Materials (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a roundness control method of a pressed glass insulator, which is used for controlling the roundness of the glass insulator discharged by glue discharging and vitrifying equipment and comprises the following steps: the method comprises the following steps: the glue discharging and vitrifying equipment discharges glue in an effective temperature area with a uniform temperature field and generates a glass insulator; step two: the heat insulation device is used as a glue discharging carrier to bear the glass insulator; step three: removing unqualified glass insulators by using shaking removing equipment; by controlling the temperature uniformity degree of the effective temperature area of the production equipment, the screen tray is used for bearing the glass insulator, so that the glass insulator is not easy to deform after glue discharging and vitrification, the glass insulator with the standard size is screened out through screening equipment, and the roundness of the product is ensured.
Description
Technical Field
The invention relates to the technical field of packaging shells, in particular to a roundness control method for a pressed glass insulator.
Background
In the field of electronic components, the metal shell is not only a coat for packaging the chip, but also an important component of the electronic component.
The metal shell is formed by sintering three parts, namely a chassis, a pressed glass insulator and a lead at high temperature, and the pressed glass insulator is a key part of the metal shell and plays roles in pressure resistance, insulation, sealing and the like.
During preparation, the glass powder is pressed into a blank, then the binder is removed through a binder removal process, and the blank is vitrified into a glass insulator with certain size and strength and consistent surface color.
In the prior art, the medium-pressure glass insulator is easy to deform after glue discharge and vitrification and can not meet the requirements of assembly and sealing processes.
Disclosure of Invention
In order to solve the technical problems, the invention provides a roundness control method for a pressed glass insulator, which improves the dimensional stability and the roundness of the glass insulator by controlling the temperature uniformity of an effective temperature zone of production equipment.
In order to solve the technical problems, the invention adopts the following technical scheme:
a roundness control method of a pressed glass insulator is used for controlling the roundness of the glass insulator discharged by glue discharging and vitrifying equipment and comprises the following steps:
the method comprises the following steps: the glue discharging and vitrifying equipment discharges glue in an effective temperature area with a uniform temperature field and generates a glass insulator;
step two: the heat insulation device is used as a glue discharging carrier to bear the glass insulator;
step three: and using shaking type removing equipment to remove unqualified glass insulators.
Further, in the first step, the specific implementation manner of the effective temperature zone having a uniform temperature field is as follows: and collecting temperature values of multiple points in the effective temperature area, and adjusting the air inlet speed and the air exhaust speed in the effective temperature area to uniformly distribute the temperature field of the effective temperature area.
Further, the effective temperature will beThe horizontal plane when the glass insulator in the region is generated is used as a glue discharging and vitrifying plane, and the temperature values T of three points on the glue discharging and vitrifying plane are collected1、T2、T3(ii) a And calculate T1、T2、T3The absolute value of the difference value between the maximum value and the minimum value is used as a temperature uniformity difference value, and the temperature uniformity difference value is less than or equal to 3-5 ℃ by controlling the exhaust speed and the air inlet speed, so that the temperature fields of the effective temperature area are uniformly distributed.
Further, the heat insulation device is a screen tray, and the screen tray comprises a tray base and a screen which are horizontally arranged; the tray base is rectangular, and four corners of the tray base are respectively and fixedly provided with a vertically arranged bracket; the screen is rectangular, four corners of the screen are fixedly connected with the middle part of the bracket respectively, a first space is reserved between the screen and the tray base, and a second space is reserved at the upper part of the screen; the first space and the second space are both communicated with the outer space of the screen tray.
Further, equipment is rejected to rocking formula includes bobbing machine and screening mould, the screening mould includes first screening mould and second screening mould, be provided with first screening hole on the first screening mould, be provided with the second screening hole on the second screening mould, the aperture in first screening hole equals the size lower limit of glass insulator external diameter, the aperture in second screening hole equals the size upper limit of glass insulator external diameter, and the vibration through the bobbing machine screens the less glass insulator of size in the first screening hole to on putting remaining glass insulator the second screening mould, the vibration through the bobbing machine will accord with size standard's glass insulator screening to the second screening hole in, realize the screening of glass insulator.
Compared with the prior art, the invention has the beneficial technical effects that:
1. by controlling the temperature uniformity degree of the effective temperature area of the production equipment, the screen tray is used for bearing the glass insulator, so that the glass insulator is not easy to deform after glue discharging and vitrifying, the glass insulator with the standard size is screened out by the screening equipment, and the roundness of the glass insulator is improved.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a schematic view of the structure of the glass insulator of the present invention;
FIG. 3 is a schematic diagram of the construction of a sieve tray according to the invention;
fig. 4 is a schematic structural diagram of the screening mold of the present invention.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a roundness control method for a pressed glass insulator, which is used for controlling the roundness of a glass insulator 10 discharged by a glue discharging and vitrifying device, comprises the following steps:
s1: the glue discharging and vitrifying equipment discharges glue in an effective temperature area with a uniform temperature field and generates a glass insulator;
s2: the heat insulation device is used as a glue discharging carrier to bear the glass insulator;
s3: and using shaking type removing equipment to remove unqualified glass insulators.
The pressed glass insulator is formed by firing a pressed glass powder blank through vitrification and binder removal.
In the initial stage of binder removal and vitrification, the glass powder binder is decomposed and volatilized to be removed from the body of the blank, in the rear stage of binder removal and vitrification, the glass powder gradually necks down from point contact to line and surface contact, and blank gaps are removed to form a closed glass insulator; the glass is inorganic nonmetal, has no fixed melting point, and the viscosity of the glass changes along with the change of temperature. In the process of glass powder glue discharging and vitrifying, the temperature uniformity and the local temperature change affect the viscosity of the green body glass, cause different local glass surface tensions, directly affect the local shrinkage rate of the green body, and further affect the roundness of the glass insulator.
The glass insulator is finished in the effective temperature area of the glue discharging and vitrifying equipment, a plurality of thermocouples are adopted to monitor and collect temperature values of multiple points in the effective temperature area, the air inlet speed and the air exhaust speed in the effective temperature area are adjusted, and the uniform distribution of the temperature field of the effective temperature area is ensured.
Specifically, a horizontal plane generated by the glass insulator in the effective temperature zone is used as a glue discharging and vitrifying plane, and temperature values T of three points on the glue discharging and vitrifying plane are collected1、T2、T3(ii) a And calculate T1、T2、T3The absolute value of the difference value between the medium maximum value and the minimum value is used as a temperature uniformity difference value, in order to control the temperature in the effective temperature zone, air is fed at the lower part of the effective temperature zone and exhausted at the upper part, the temperature uniformity difference value is less than or equal to 3-5 ℃ by controlling the exhaust speed and the air feeding speed, and the temperature field in the effective temperature zone is uniformly distributed; the control of the exhaust speed belongs to active control, the control of the air inlet speed belongs to passive control, and as the sealing performance of the glue discharging and vitrifying equipment is better, the air inlet speed is equal to the exhaust speed, the temperature field distribution uniformity of an effective temperature area is controlled by controlling the size of the exhaust speed, and the roundness of the glass insulator can be effectively improved; the specific exhaust and intake speeds vary from device model to device model.
In the prior art, a ceramic tray or a stainless steel tray is used as a carrier of a glass insulator, and the temperature field in an effective temperature zone can be influenced by heat absorption or heat release of the ceramic tray or the stainless steel tray.
The invention adopts a screen tray as a glue discharging vitrification carrier, as shown in fig. 2 and 3, the heat insulation device is a screen tray 20, and the screen tray comprises a tray base 21 and a screen 23 which are horizontally arranged; the tray base is rectangular, and four corners of the tray base are respectively and fixedly provided with a vertically arranged bracket 22; the screen 23 is rectangular, four corners of the screen are fixedly connected with the middle part of the bracket 22 respectively, a first space 24 is reserved between the screen and the tray base, and a second space 25 is reserved at the upper part of the screen 23; the first space and the second space are both communicated with the external space of the screen tray; the screen mesh is woven by steel wires and provided with screen meshes smaller than the glass insulator in size; the second space on the upper portion of the screen and the first space on the lower portion of the screen are communicated with the outer space of the screen tray, and the first space and the second space can be communicated through the screen meshes, so that a temperature field around the glass insulator can be subjected to heat exchange with temperature fields of other portions in the effective temperature area fully and rapidly, the uniformity of the temperature field around the glass insulator is improved, the deformation of the glass insulator is reduced, and the roundness of the glass insulator is improved.
In order to avoid that the pressed glass insulator which is deformed and unqualified flows into a production field to influence the assembly and the quality of the metal shell, a special die and equipment are used, and a small amount of unqualified pressed glass insulator is removed by utilizing the vibration and the left-right swinging of the equipment.
As shown in fig. 2 and 4, equipment is rejected to rocking formula includes bobbing machine and screening mould 30, the screening mould includes first screening mould and second screening mould, be provided with first screening hole on the first screening mould, be provided with the second screening hole on the second screening mould, the aperture in first screening hole equals the size lower limit of glass insulator 10 external diameter, the aperture in second screening hole equals the size upper limit of glass insulator 10 external diameter, through the vibration of bobbing machine with the less glass insulator of size sieve in the first screening hole to on putting the second screening mould with remaining glass insulator, through the vibration of bobbing machine with accord with the glass insulator of size standard sieve in the second screening hole, realize the screening of glass insulator.
The glass insulator with smaller size is left in the first screening hole, the glass insulator with larger size is left in the second screening hole, and the glass insulator with larger size is left on the second screening die, so that the separation of the qualified glass insulator and the unqualified glass insulator is completed, and the size stability of the product is improved; in the screening process, the glass insulator with qualified outer diameter and unqualified roundness cannot enter the second screening hole, so that the roundness of the glass insulator in the second screening hole meets the requirement.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A roundness control method of a pressed glass insulator is used for controlling the roundness of the glass insulator (10) discharged by glue discharging and vitrifying equipment, and comprises the following steps:
the method comprises the following steps: the glue discharging and vitrifying equipment discharges glue in an effective temperature area with a uniform temperature field and generates a glass insulator;
step two: the heat insulation device is used as a glue discharging carrier to bear the glass insulator;
step three: and using shaking type removing equipment to remove unqualified glass insulators.
2. The roundness control method for a pressed glass insulator according to claim 1, wherein: in the first step, the specific implementation manner of the effective temperature zone with the uniform temperature field is as follows: and collecting temperature values of multiple points in the effective temperature area, and adjusting the air inlet speed and the air exhaust speed in the effective temperature area to uniformly distribute the temperature field of the effective temperature area.
3. The roundness control method for a pressed glass insulator according to claim 2, wherein: taking a horizontal plane generated by the glass insulator in the effective temperature zone as a glue discharging and vitrifying plane, and collecting temperature values T of three points on the glue discharging and vitrifying plane1、T2、T3(ii) a And calculate T1、T2、T3The absolute value of the difference between the maximum value and the minimum value is used as the temperature uniformity difference value, and the exhaust speed and the intake speed are controlledThe temperature is controlled to be uniform and the difference value of the temperatures is less than or equal to 3-5 ℃, so that the temperature fields of the effective temperature areas are uniformly distributed.
4. The roundness control method for a pressed glass insulator according to claim 1, wherein: the heat insulation device is a screen tray (20), and the screen tray comprises a tray base (21) and a screen (23) which are horizontally arranged; the tray base is rectangular, and four corners of the tray base are respectively and fixedly provided with a vertically arranged bracket (22); the screen (23) is rectangular, four corners of the screen are fixedly connected with the middle part of the bracket (22), a first space (24) is reserved between the screen and the tray base, and a second space (25) is reserved at the upper part of the screen (23); the first space and the second space are both communicated with the outer space of the screen tray.
5. The roundness control method for a pressed glass insulator according to claim 1, wherein: the equipment is rejected to rocking formula includes bobbing machine and screening mould (30), the screening mould includes first screening mould and second screening mould, be provided with first screening hole on the first screening mould, be provided with the second screening hole on the second screening mould, the aperture in first screening hole equals the size lower limit of glass insulator (10) external diameter, the aperture in second screening hole equals the size upper limit of glass insulator (10) external diameter, and the vibration through the bobbing machine screens the less glass insulator of size in the first screening hole to on putting the second screening mould with remaining glass insulator, the vibration through the bobbing machine will accord with the glass insulator screening of size standard to the second screening hole in, realize the screening of glass insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311256.3A CN111128486B (en) | 2019-12-18 | 2019-12-18 | Roundness control method for pressed glass insulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311256.3A CN111128486B (en) | 2019-12-18 | 2019-12-18 | Roundness control method for pressed glass insulator |
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| CN111128486A true CN111128486A (en) | 2020-05-08 |
| CN111128486B CN111128486B (en) | 2021-12-17 |
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| CN201911311256.3A Active CN111128486B (en) | 2019-12-18 | 2019-12-18 | Roundness control method for pressed glass insulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823928A (en) * | 2022-04-26 | 2022-07-29 | 中国电子科技集团公司第四十三研究所 | Photoelectric packaging shell and manufacturing process thereof |
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| CN105470047A (en) * | 2014-09-10 | 2016-04-06 | 贵州天义电器有限责任公司 | Contactor connecting terminal glass sintering method |
| CN105859144A (en) * | 2016-03-29 | 2016-08-17 | 西安赛尔电子材料科技有限公司 | Sealing glass powder for electric connectors, preparation method for sealing glass powder and sealing process of sealing glass powder |
| CN107958874A (en) * | 2017-11-28 | 2018-04-24 | 合肥圣达电子科技实业有限公司 | Multilayer insulation, the press device and preparation method for being used to prepare multilayer insulation |
| CN207641864U (en) * | 2017-07-31 | 2018-07-24 | 广州市再生宝玻璃回收处理有限公司 | Glass glue-removing equipment |
| US20190013467A1 (en) * | 2005-08-30 | 2019-01-10 | Ovonyx Memory Technology, Llc | Resistance variable memory device with nanoparticle electrode and method of fabrication |
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2019
- 2019-12-18 CN CN201911311256.3A patent/CN111128486B/en active Active
Patent Citations (6)
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| US20190013467A1 (en) * | 2005-08-30 | 2019-01-10 | Ovonyx Memory Technology, Llc | Resistance variable memory device with nanoparticle electrode and method of fabrication |
| CN204063978U (en) * | 2014-08-26 | 2014-12-31 | 贵州正业工程技术投资有限公司 | A kind of Zinc-Oxide Arrester valve block binder removal saggar |
| CN105470047A (en) * | 2014-09-10 | 2016-04-06 | 贵州天义电器有限责任公司 | Contactor connecting terminal glass sintering method |
| CN105859144A (en) * | 2016-03-29 | 2016-08-17 | 西安赛尔电子材料科技有限公司 | Sealing glass powder for electric connectors, preparation method for sealing glass powder and sealing process of sealing glass powder |
| CN207641864U (en) * | 2017-07-31 | 2018-07-24 | 广州市再生宝玻璃回收处理有限公司 | Glass glue-removing equipment |
| CN107958874A (en) * | 2017-11-28 | 2018-04-24 | 合肥圣达电子科技实业有限公司 | Multilayer insulation, the press device and preparation method for being used to prepare multilayer insulation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114823928A (en) * | 2022-04-26 | 2022-07-29 | 中国电子科技集团公司第四十三研究所 | Photoelectric packaging shell and manufacturing process thereof |
| CN114823928B (en) * | 2022-04-26 | 2024-02-20 | 中国电子科技集团公司第四十三研究所 | Photoelectric packaging shell and manufacturing process thereof |
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| CN111128486B (en) | 2021-12-17 |
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