CN114012348A - Correction tool that alloy frame deformation - Google Patents

Correction tool that alloy frame deformation Download PDF

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Publication number
CN114012348A
CN114012348A CN202111244793.8A CN202111244793A CN114012348A CN 114012348 A CN114012348 A CN 114012348A CN 202111244793 A CN202111244793 A CN 202111244793A CN 114012348 A CN114012348 A CN 114012348A
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CN
China
Prior art keywords
alloy frame
alloy
die
mold
mould
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Pending
Application number
CN202111244793.8A
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Chinese (zh)
Inventor
胡紫阳
李智德
罗国涛
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Shenzhen Yezhan Electronics Co ltd
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Shenzhen Yezhan Electronics Co ltd
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Application filed by Shenzhen Yezhan Electronics Co ltd filed Critical Shenzhen Yezhan Electronics Co ltd
Priority to CN202111244793.8A priority Critical patent/CN114012348A/en
Publication of CN114012348A publication Critical patent/CN114012348A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a correction jig for alloy frame deformation, which comprises a lower closing die, wherein an upper closing die is arranged on the upper side of the lower closing die, a middle closing die is arranged between the lower closing die and the upper closing die, the upper end of the middle closing die is provided with a limiting groove, a plurality of alloy frames are arranged in the limiting groove, the plurality of alloy frames are arranged in order, one side of each alloy frame is pressed up and down by the lower closing die and the upper closing die, and the upper end of the lower closing die is provided with a cushion bottom groove; the three module mechanisms of the lower die, the upper die and the middle die are utilized to respectively press the alloy frame up and down, so that the position of the alloy frame is limited, the heat-preserving post-curing treatment is carried out, the alloy frame is corrected, the effect of correcting the alloy frame after deformation is realized, the phenomenon that the alloy frame is deformed due to expansion coefficients of different materials in the packaging process is solved, the production yield of products is greatly improved, the productivity is improved, and the economic benefit of enterprises is increased.

Description

Correction tool that alloy frame deformation
Technical Field
The invention relates to the field of correction jigs, in particular to a correction jig for alloy frame deformation.
Background
The alloy chip resistor is made of special alloy which meets high-power electrical characteristics, high purity, high heat conduction, low temperature drift and high temperature resistance, is integrally formed without a cutting structure, greatly reduces the heat dissipation area on a circuit board, and can achieve almost no inductance value. The alloy resistor is used as a current carrier, and has the advantages of accurate resistance, temperature stability, product safety and stability obviously higher than those of a common ceramic resistor. Meanwhile, the thermal conductivity of the metal is a great advantage of other resistors. Particularly, in the application of power supplies and other related products, when instantaneous impulse current, short-circuit current or pulse current is generated, the alloy is taken as a preferred current medium to detect the current.
However, in the existing packaging process of the alloy chip resistor, because the difference between the thermal expansion coefficient of the epoxy resin and the thermal expansion coefficient of the alloy is large, after the plastic package is completed, the alloy frame is laterally bent, so that the production of subsequent processes is affected, the qualification rate of products is seriously affected, large material resource waste is caused, and the operation cost of enterprises is increased.
Disclosure of Invention
The invention mainly aims to provide a correction jig for alloy frame deformation, and aims to solve the problems that in the existing packaging process of an alloy chip resistor, due to the fact that the difference between the thermal expansion coefficient of epoxy resin and the thermal expansion coefficient of alloy is large, after plastic packaging is completed, the alloy frame bends laterally, the production of subsequent processes is affected, the qualified rate of products is seriously affected, large material resource waste is caused, and the operation cost of enterprises is increased.
In order to achieve the purpose, the invention provides a correction jig for alloy frame deformation, which comprises a lower mold, wherein an upper mold is arranged on the upper side of the lower mold, a middle mold is arranged between the lower mold and the upper mold, a limiting groove is formed in the upper end of the middle mold, a plurality of alloy frames are arranged in the limiting groove, the alloy frames are arranged in order, one side of each alloy frame is pressed vertically by the lower mold and the upper mold, a cushion bottom groove is formed in the upper end of the lower mold, and the lower ends of the alloy frames are located in the limiting groove.
Preferably, one side of each alloy frame is provided with a positioning small hole, and the alloy frames are positioned on the same straight line.
Preferably, the four corners of the lower mold, the upper mold and the middle mold are all provided with positioning round holes, and the positioning round holes positioned at the same corner are positioned on the same straight line.
Preferably, the four corners of the lower mold, the upper mold and the middle mold are all provided with second bolt holes, the four second bolt holes are located between the four positioning round holes, the diameter of each second bolt hole is larger than that of each positioning round hole, and the positioning round holes located at the same corner are located on the same straight line.
Preferably, two first bolt holes are formed in the upper end of the upper die and the upper end of the middle die, and the two first bolt holes are located on two sides of the limiting groove.
Preferably, the length of the limiting groove is the same as that of the alloy frame, and the width of the limiting groove is the same as that of the plurality of alloy frames.
The technical scheme of the invention has the beneficial effects that: the three module mechanisms of the lower die, the upper die and the middle die are utilized to respectively press the alloy frame up and down, so that the position of the alloy frame is limited, the heat-preserving post-curing treatment is carried out, the alloy frame is corrected, the effect of correcting the alloy frame after deformation is realized, the phenomenon that the alloy frame is deformed due to expansion coefficients of different materials in the packaging process is solved, the production qualification rate of products is greatly improved, the productivity is improved, and the economic benefit of enterprises is increased.
Drawings
FIG. 1 is a schematic view of an overall structure of a tool for correcting deformation of an alloy frame according to the present invention;
FIG. 2 is an exploded view of a tool for correcting deformation of an alloy frame according to the present invention;
FIG. 3 is a schematic structural diagram of an alloy frame of a tool for correcting deformation of the alloy frame according to the present invention;
fig. 4 is a schematic view of an upper mold structure of a tool for correcting deformation of an alloy frame according to the present invention.
Detailed Description
In the following, the embodiments of the present invention will be described in detail with reference to the drawings in the following, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a correction jig for alloy frame deformation, and particularly relates to a correction jig shown in figures 1-4, which comprises a lower die 1, wherein an upper die 2 is arranged on the upper side of the lower die 1, a middle die 3 is arranged between the lower die 1 and the upper die 2, the upper end of the middle die 3 is provided with a limiting groove 5, a plurality of alloy frames 6 are arranged in the limiting groove 5, the alloy frames 6 are arranged in order, one side of each alloy frame 6 is pressed on the lower die 1 and the upper die 2 up and down, the upper end of the lower die 1 is provided with a cushion bottom groove 4, and the lower ends of the alloy frames 6 are all positioned in the limiting groove 5.
In the embodiment, firstly, a lower die 1 and an upper die 2 are stacked together, after the alloy frames 6 are arranged in order, the positions of a plurality of alloy frames 6 are preliminarily limited by a plastic package mode and are placed in a limiting groove 5, the lower end parts of the plurality of alloy frames 6 are positioned in a padding bottom groove 4, the lower die 1 covers the upper side of a middle die 3, then a metal straight rod penetrates through four positioning round holes 7 to limit the lower die 1, the upper die 2 and the middle die 3, the lower die 1, the upper die 2 and the middle die 3 are ensured to be positioned on the same straight line, then bolts penetrate through four second bolt holes 9 and two first bolt holes 8 to fix the positions of the lower die 1, the upper die 2 and the middle die 3, and three module mechanisms of the lower die 1, the upper die 2 and the middle die 3 are utilized to respectively press the alloy frames 6 up and down, the position of the alloy frame 6 is further limited, heat-preserving post-curing treatment is carried out, the alloy frame 6 is corrected, the effect of correcting the alloy frame 6 after deformation is achieved, the problem that the alloy frame 6 deforms due to expansion coefficients of different materials in the packaging process is solved, the production yield of products is greatly improved, the capacity is improved, and the economic benefit of enterprises is increased.
Specifically, one side of each alloy frame 6 is provided with a positioning small hole 10, and the plurality of alloy frames 6 are positioned on the same straight line.
In this embodiment, each alloy frame 6 is provided with two positioning holes 10 at least, with a plurality of alloy frame 6 parallel arrangement, a plurality of positioning holes 10 are located collinear this moment, utilize the metal straight-bar to pass a plurality of positioning holes 10, can be with the rigidity of a plurality of alloy frame 6, then carry out the plastic envelope, a plurality of alloy frame 6 after the plastic envelope are more firm, can not loosen easily, put into spacing groove 5 more easily.
Specifically, the four corners of the lower mold 1, the upper mold 2 and the middle mold 3 are all provided with positioning round holes 7, and the positioning round holes 7 located at the same corner are located on the same straight line.
In this embodiment, a metal straight rod penetrates through four positioning circular holes 7, so that the lower mold 1, the upper mold 2 and the middle mold 3 are limited, it is ensured that the lower mold 1, the upper mold 2 and the middle mold 3 are located on the same straight line, and the lower mold 1, the upper mold 2 and the middle mold 3 can only slide vertically in a straight line, so that the lower mold 1, the upper mold 2 and the middle mold 3 can be recycled for multiple times, and the service life is prolonged.
Specifically, the second bolt holes 9 are formed in four corners of the lower mold 1, the upper mold 2 and the middle mold 3, the four second bolt holes 9 are located between the four positioning round holes 7, the diameter of each second bolt hole 9 is larger than that of each positioning round hole 7, and the positioning round holes 7 located in the same corner are located on the same straight line.
In this embodiment, the bolts penetrate through the four second bolt holes 9 to fix the lower mold 1, the upper mold 2 and the middle mold 3, so as to enhance the fixing effect, strongly limit the lower mold 1, the upper mold 2 and the middle mold 3 to be in a seamless overlapping state, extrude the alloy frame 6, complete the correction effect, divide the second bolt holes 9 into two parts, wherein the upper part is larger than the lower part in diameter, and the bolts can be completely inserted into the second bolt holes 9.
Specifically, two first bolt holes 8 have all been seted up to the upper end of going up compound die 2 and middle compound die 3, and two first bolt holes 8 are located the both sides of spacing groove 5.
In this embodiment, the bolts are inserted through the two first bolt holes 8 to fix the upper mold 2 and the middle mold 3, so as to keep the positions of the upper mold 2 and the middle mold 3 from lateral deviation, and simultaneously enhance the correction effect on the alloy frame 6, and the upper mold 2 and the middle mold 3 are fixed for the second time, so that the bolts can be inserted into the two first bolt holes 8 first, the upper mold 2 and the middle mold 3 are fixed, and then the bolts are inserted into the second bolt holes 9, so that the secondary split installation is performed, and the secondary correction is facilitated.
Specifically, the length of the limiting groove 5 is the same as that of the alloy frame 6, and the width of the limiting groove 5 is the same as that of the plurality of alloy frames 6.
In this embodiment, the whole limiting groove 5 is rectangular, the length and the width of the limiting groove 5 of the cushion bottom groove 4 are the same, the alloy frame 6 is placed into the limiting groove 5 after plastic package is completed, the alloy frame 6 with a proper number is placed into the cushion bottom groove 4, the lower end portion of the alloy frame 6 is located in the cushion bottom groove 4, and then thermal insulation post-curing treatment is performed, so that the purpose of correcting the alloy frame is achieved, the production yield of products is improved, the productivity is improved, and the economic benefits of enterprises are increased.
The above description is only a part of or preferred embodiments of the present invention, and neither the text nor the drawings should be construed as limiting the scope of the present invention, and all equivalent structural changes, which are made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims (6)

1. The utility model provides a correction tool of alloy frame deformation, includes the lower mould that closes, its characterized in that, the upside that closes the mould down is provided with the mould that closes, it is provided with well mould to close between mould and the last mould down, spacing groove has been seted up to the upper end of well mould, the spacing inslot is provided with a plurality of alloy frame, and is a plurality of alloy frame neatly arranges, every one side of alloy frame, pressfitting about lower mould and the last mould of closing down, the upper end of closing the mould down has seted up the bed hedgehopping kerve, and is a plurality of alloy frame's lower extreme all is located spacing inslot.
2. The tool of claim 1, wherein each alloy frame has a positioning hole on one side, and the alloy frames are aligned in a straight line.
3. The apparatus according to claim 2, wherein the lower mold, the upper mold and the middle mold have positioning holes at four corners, and the positioning holes at the same corner are aligned with each other.
4. The tool of claim 3, wherein second bolt holes are formed in four corners of the lower mold, the upper mold and the middle mold, four of the second bolt holes are located between four positioning circular holes, the diameter of each second bolt hole is larger than that of each positioning circular hole, and the positioning circular holes located in the same corner are located on the same straight line.
5. The tool of claim 4, wherein two first bolt holes are formed in the upper end of each of the upper mold and the middle mold, and the two first bolt holes are located on two sides of the limiting groove.
6. The tool of claim 5, wherein the length of the limiting groove is the same as the length of the alloy frame, and the width of the limiting groove is the same as the width of the plurality of alloy frames.
CN202111244793.8A 2021-10-25 2021-10-25 Correction tool that alloy frame deformation Pending CN114012348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111244793.8A CN114012348A (en) 2021-10-25 2021-10-25 Correction tool that alloy frame deformation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111244793.8A CN114012348A (en) 2021-10-25 2021-10-25 Correction tool that alloy frame deformation

Publications (1)

Publication Number Publication Date
CN114012348A true CN114012348A (en) 2022-02-08

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CN202111244793.8A Pending CN114012348A (en) 2021-10-25 2021-10-25 Correction tool that alloy frame deformation

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CN (1) CN114012348A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115938703A (en) * 2022-11-16 2023-04-07 业展电子(惠州市)有限公司 Plastic package mold applied to alloy chip resistor and used for preventing frame deformation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206351204U (en) * 2016-11-22 2017-07-25 上海德真工贸有限公司 A kind of resistor disc lid progressive die
CN210907699U (en) * 2019-10-24 2020-07-03 无锡星尔宇科技有限公司 Oil tank installation crossbeam inner panel shaping frock
KR102171342B1 (en) * 2020-06-21 2020-10-28 주식회사 신영기업 Shape correction mold of manhole flange
CN216541684U (en) * 2021-10-25 2022-05-17 深圳市业展电子有限公司 Correction tool that alloy frame deformation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206351204U (en) * 2016-11-22 2017-07-25 上海德真工贸有限公司 A kind of resistor disc lid progressive die
CN210907699U (en) * 2019-10-24 2020-07-03 无锡星尔宇科技有限公司 Oil tank installation crossbeam inner panel shaping frock
KR102171342B1 (en) * 2020-06-21 2020-10-28 주식회사 신영기업 Shape correction mold of manhole flange
CN216541684U (en) * 2021-10-25 2022-05-17 深圳市业展电子有限公司 Correction tool that alloy frame deformation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115938703A (en) * 2022-11-16 2023-04-07 业展电子(惠州市)有限公司 Plastic package mold applied to alloy chip resistor and used for preventing frame deformation
CN115938703B (en) * 2022-11-16 2023-06-30 业展电子(惠州市)有限公司 Plastic packaging die applied to alloy chip resistor and capable of preventing frame from deforming

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