CN113376771B - Preparation device and process of pipe cap - Google Patents

Preparation device and process of pipe cap Download PDF

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Publication number
CN113376771B
CN113376771B CN202110696385.XA CN202110696385A CN113376771B CN 113376771 B CN113376771 B CN 113376771B CN 202110696385 A CN202110696385 A CN 202110696385A CN 113376771 B CN113376771 B CN 113376771B
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CN
China
Prior art keywords
jig
lens
solder
groove
metal tube
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CN202110696385.XA
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Chinese (zh)
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CN113376771A (en
Inventor
毛召召
陈刚
周游
李志涛
杜立华
熊良明
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Yangtze Optical Fibre and Cable Co Ltd
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Yangtze Optical Fibre and Cable Co Ltd
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Priority to CN202110696385.XA priority Critical patent/CN113376771B/en
Publication of CN113376771A publication Critical patent/CN113376771A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4237—Welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/4244—Mounting of the optical elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation

Abstract

The invention discloses a device and a process for preparing a pipe cap, which comprise a lower jig, a middle jig and an upper jig, wherein a plurality of solder grooves are arrayed on the lower jig; a lens groove is coaxially arranged below each solder groove, and the diameter of each lens groove is smaller than that of each solder groove; the middle jig is provided with metal pipe shell grooves in an array manner, lower through holes are coaxially arranged below each metal pipe shell groove, and the diameter of each lower through hole is smaller than that of each metal pipe shell groove; a plurality of bosses are arranged on the upper jig in an array manner; when lower tool, well tool and last tool are by lower supreme superpose in proper order, solder groove, tubular metal resonator shell groove and boss one-to-one coaxial arrangement, the below through-hole and the solder groove intercommunication in tubular metal resonator shell groove, the upper end in tubular metal resonator shell groove is embedded to the boss. The invention has simple structure, good stability and rapid and convenient material placement; the jig is arranged in an array mode, the precision requirement is low, mass production is facilitated, and the production efficiency is high; does not need complex and expensive automation equipment, has low cost and is convenient to popularize.

Description

Preparation device and process of pipe cap
Technical Field
The invention relates to the technical field of optical communication, in particular to a device and a process for preparing a pipe cap.
Background
The TO pipe cap is an important optical device and is widely applied TO various optical modules, and a lens in the TO pipe cap is used as a window element for receiving and transmitting light and plays roles of collimation, coupling and the like; the metal tube shell plays a role in supporting and fixing, and the tube cap is matched with other devices to form a closed cavity, so that the photoelectric element in the cavity is protected, the stability of the photoelectric element is enhanced, and the service life of the photoelectric element is prolonged. The optical window sealing technology refers to the connecting technology between a metal tube shell and a lens, plays a crucial role in the normal operation of an optoelectronic device, and is mainly a point glue welding method and a solder ring welding method at present.
In patent CN108002716B, an adhesive is used TO seal the lens and the tube shell, the tube shell is mounted on the boss, a lens is placed in the through hole of the tube shell, and a pressing head of a machine table is used TO press and fix the upper end of the lens, so that the bottom of the lens is fully contacted with the boss.
In patent CN111807721A, a metal cap is sleeved on a mold, a lens is embedded in a positioning hole of the metal cap, and a microcrystalline glass solder in a ring shape is placed at the upper end of the metal cap. Although the use of annular glass solder can reduce process complexity, the glass is embedded in the cap and is in direct contact with the metal portion of the cap, and the metal cap has a higher coefficient of thermal expansion than glass, which is detrimental to sealing.
Although the above and other similar patents propose a method for manufacturing a tube cap, there are many problems in that whether mass production is feasible or not, and it is important to study the mass and low-cost production process of the tube cap to reduce the cost of the 5G optical device.
Disclosure of Invention
The invention aims to solve the technical problems that aiming at the defects in the prior art, the invention provides a device and a process for preparing a pipe cap, which have the advantages of simple structure, good stability and quick and convenient material placement; the jig is arranged in an array mode, the precision requirement is low, mass production is facilitated, and the production efficiency is high; does not need complex and expensive automation equipment, has low cost and is convenient to popularize.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a device for preparing a pipe cap comprises a lower jig, a middle jig and an upper jig, wherein a plurality of solder grooves are arrayed on the lower jig; a lens groove is coaxially arranged below each solder groove, and the diameter of each lens groove is smaller than that of each solder groove; the middle jig is provided with metal pipe shell grooves in an array manner, lower through holes are coaxially arranged below each metal pipe shell groove, and the diameter of each lower through hole is smaller than that of each metal pipe shell groove; a plurality of bosses are arranged on the upper jig in an array manner;
when lower tool, well tool and last tool are by lower supreme superpose in proper order, solder groove, tubular metal resonator shell groove and boss one-to-one coaxial arrangement, the below through-hole and the solder groove intercommunication in tubular metal resonator shell groove, the upper end in tubular metal resonator shell groove is embedded to the boss.
According to the technical scheme, the lower jig is a lens and solder ring jig or a lens jig and a solder ring jig which are mutually independent, the middle jig is a metal tube shell jig, and the upper jig is a boss welding jig;
when the lower jig is a lens and solder ring jig, the lower jig is of a layer structure, the lens groove and the solder groove are integrally arranged on the lens and solder ring jig, and the lens groove and the solder groove are coaxially arranged on the lens and solder ring jig;
when the lower jig is a lens jig and a solder ring jig which are mutually independent, the lower jig is of a double-layer structure, a plurality of solder groove arrays are arranged on the solder ring jig, a plurality of lens groove arrays are arranged on the lens jig, and the solder grooves and the lens grooves are arranged in one-to-one correspondence.
According to the technical scheme, the lens jig comprises an upper plate and a lower plate, wherein the upper plate is arranged on the lower plate and is in sliding connection with the lower plate, a plurality of upper lens through holes are arranged on the upper plate in an array mode, a plurality of lower lens through holes are arranged on the lower plate in an array mode, each upper lens through hole and each lower lens through hole are arranged in a staggered mode in the initial position, each upper lens through hole forms a lens groove, each upper lens through hole and each lower lens through hole are arranged in a one-to-one corresponding communication mode when the upper plate and the lower plate move to the sliding position relatively, and each lower lens through hole forms a lens channel; when the lens jig is overlapped with the middle jig, the lens channels are coaxially arranged in a one-to-one correspondence manner with the metal tube grooves on the middle jig.
According to the technical scheme, the guardrail is arranged around the upper end face of the lower jig, and the guardrail is provided with the first discharge hole.
According to the technical scheme, the guardrail is arranged around the upper end face of the middle jig, and the second discharge hole is formed in the guardrail.
According to the technical scheme, the jigs are made of any one of plastics, graphite, aluminum alloy and stainless steel.
When the lower jig is a lens and solder ring jig, the lower jig is of a layer structure, a lens groove and a solder groove are integrally arranged on the lens and solder ring jig, and the lens groove and the solder groove are coaxially arranged on the lens and solder ring jig;
the preparation process of the pipe cap comprises the following steps:
1) stacking the lenses to the upper end surface of the lower jig, shaking and/or vibrating the lower jig to enable each lens groove to have one lens, and moving out the redundant lenses which do not enter the lens grooves on the upper end surface of the lower jig;
2) stacking the solder rings to the upper end surface of the lower jig, fully shaking and/or vibrating the lower jig to enable each solder groove to have one solder ring, and removing the redundant solder rings which are not in the solder grooves on the upper end surface of the lower jig;
3) stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove to have one metal tube shell, and removing redundant metal tube shells which do not enter the metal tube shell grooves on the upper end face of the middle jig;
4) placing the middle jig loaded with the metal tube shell on the lower jig, enabling the solder grooves and the metal tube shell grooves to be coaxially arranged in a one-to-one correspondence mode, then placing the upper jig on the middle jig, and enabling the bosses of the upper jig to be downwards embedded into the inner holes of the metal tube shell in the metal tube shell grooves;
5) integrally turning the lower jig, the middle jig and the upper jig after being overlapped to enable the upper jig to be positioned at the lowest layer and the boss to be upward, enabling the solder ring and the lens to enter a designated position through the lower through hole, enabling the solder ring to be positioned at the upper end of the metal tube shell, embedding the lens into an inner hole at the upper end of the metal tube shell, enabling the bottom end of the lens to be in contact with the top surface of the boss, and sequentially taking the lower jig and the middle jig away;
6) and moving the upper jig loaded with the metal tube shell, the solder ring and the lens into a heating device, and heating and sintering to form a tube cap.
According to the technical scheme, in the step 6), the heating temperature is controlled to be 300-500 ℃, and the sintering time is 5-30 min.
According to the technical scheme, in the step 6), the heating device is a kiln, and the kiln is a mesh belt furnace or a muffle furnace.
When the lower jig is a lens jig and a solder ring jig which are mutually independent, the lower jig is of a double-layer structure, a plurality of solder groove arrays are arranged on the solder ring jig, a plurality of lens groove arrays are arranged on the lens jig, and the solder grooves and the lens grooves are arranged in one-to-one correspondence;
the lens jig comprises an upper plate and a lower plate, wherein the upper plate is arranged on the lower plate and is in sliding connection with the lower plate, a plurality of upper lens through holes are arranged on the upper plate in an array manner, a plurality of lower lens through holes are arranged on the lower plate in an array manner, each upper lens through hole and each lower lens through hole are arranged in a staggered manner in the initial position, the upper lens through holes form lens grooves, each upper lens through hole and each lower lens through hole are in one-to-one correspondence and communicated arrangement when the upper plate and the lower plate relatively move to the sliding position, and the lower lens through holes form lens channels; when the lens jig is superposed with the middle jig, the lens channels and the metal tube shell grooves on the middle jig are coaxially arranged in a one-to-one correspondence manner;
the preparation process of the pipe cap comprises the following steps:
1) stacking the solder rings on the upper end surfaces of the solder ring jigs, fully shaking and/or vibrating the solder ring jigs to enable each solder groove to have one solder ring, and removing the redundant solder rings which are not in the solder grooves on the upper end surfaces of the solder ring jigs;
2) stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove to have one metal tube shell, and removing redundant metal tube shells which do not enter the metal tube shell grooves on the upper end face of the middle jig;
3) placing the middle jig loaded with the metal tube shell on the solder ring jig, enabling the solder grooves and the metal tube shell grooves to be coaxially arranged in a one-to-one correspondence mode, then placing the upper jig on the middle jig, and enabling the bosses of the upper jig to be downwards embedded into the inner holes of the metal tube shell in the metal tube shell grooves;
4) the stacked solder ring jig, the middle jig and the upper jig are integrally turned over, the upper jig is located at the lowest layer, the boss faces upwards, the solder ring enters an appointed position through the lower through hole, the solder ring is located at the upper end of the metal tube shell, and the solder ring jig and the middle jig are sequentially taken away;
5) keeping the upper plate and the lower plate of the lens jig at initial positions, stacking the lenses on the upper end surface of the upper plate, fully shaking and/or vibrating the lens jig to enable each lens groove to contain one lens, and moving out redundant lenses which do not enter the lens grooves on the upper end surface of the lens jig;
6) placing the lens jig on an upper jig loaded with a metal tube shell and a solder ring, and enabling the through holes of the lower lenses and the bosses to be coaxially arranged in a one-to-one correspondence manner;
7) the upper plate and the lower plate of the lens jig are relatively moved to sliding positions, and the upper lens through holes and the lower lens through holes are correspondingly communicated one by one to form a lens channel together;
8) the lens in the lens groove falls into the inner hole at the upper end of the corresponding metal tube shell through the lens channel, and the lens jig is taken away;
9) and moving the upper jig loaded with the metal tube shell, the solder ring and the lens into a heating device, and heating and sintering to form a tube cap.
The invention has the following beneficial effects:
according to the invention, by using the multilayer array type jig structure, the jig for loading materials is in a sieve shape, the lens, the solder ring, the metal tube shell and the jig group are coaxially arranged in an inverted manner from bottom to top in sequence, and all materials are stacked on the boss welding jig in sequence, so that the materials can be conveniently placed into a subsequent heating device for sintering to form a finished tube cap; the invention has simple structure, good stability and rapid and convenient material placement; the jig is arranged in an array mode, the precision requirement is low, mass production is facilitated, and the production efficiency is high; the method has the advantages of no need of complex and expensive automation equipment, low cost, convenience for popularization and particular suitability for preparing the TO pipe cap.
Drawings
FIG. 1 is a schematic structural diagram of a lens and solder ring fixture according to an embodiment of the invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a metal tube fixture according to an embodiment of the invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic structural diagram of a projection welding jig according to an embodiment of the invention;
FIG. 6 is a schematic view showing an apparatus for preparing a cap according to an embodiment of the present invention;
FIG. 7 is a partial K view of FIG. 6;
FIG. 8 is a schematic structural diagram of a solder ring fixture according to a second embodiment of the present invention;
FIG. 9 is a cross-sectional view C-C of FIG. 8;
FIG. 10 is a schematic structural diagram of a lens jig with a loaded lens in an initial position according to a second embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a lens jig according to a second embodiment of the invention when a transmission lens is at a sliding position;
FIG. 12 is a schematic view showing the operation of an apparatus for producing a cap according to a second embodiment of the present invention;
FIG. 13 is a partial M view of FIG. 12;
FIG. 14 is a schematic view of a welded TO cap in an embodiment of the present invention;
in the figure, 10-lens and solder ring jig, 11-solder groove, 12-lens groove, 13-lens, 14-solder ring, 15-first discharge port, 20-metal tube shell jig, 21-metal tube shell groove, 22-metal tube shell upper end, 23-metal tube shell lower end, 24-lower through hole, 25-metal tube shell upper end inner hole, 26-discharge port, 27-metal tube shell, 30-boss welding jig, 31-boss, 40-solder ring jig, 42-second discharge port, 50-lens jig, 52-lens channel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 14, a device for manufacturing a pipe cap according to an embodiment of the present invention includes a lower jig, a middle jig, and an upper jig, wherein a plurality of solder grooves 11 are arranged on the lower jig in an array manner; a lens groove 12 is coaxially arranged below each solder groove 11, the diameter of the lens groove 12 is smaller than that of the solder groove 11, and the upper end of the lens groove 12 is communicated with the solder groove 11 and arranged on the lower jig; the middle jig is provided with metal pipe shell grooves 21 in an array manner, lower through holes are coaxially arranged below each metal pipe shell groove 21 and are arranged on the middle jig, and the diameter of each lower through hole is smaller than that of each metal pipe shell groove 21; a plurality of bosses 31 are arranged on the upper jig in an array manner;
when lower tool, well tool and last tool are from lower supreme in proper order the coincide, solder groove 11, metal tube shell groove 21 and boss 31 one-to-one coaxial arrangement, the below through-hole of metal tube shell groove 21 and solder groove 11 intercommunication, the upper end in metal tube shell groove 21 is embedded into to boss 31.
Further, the lower jig is a lens and solder ring jig 10 or a lens jig 50 and a solder ring jig 40 which are independent of each other, the middle jig is a metal tube shell jig 20, and the upper jig is a boss welding jig 30;
when the lower jig is the lens and solder ring jig 10, that is, as shown in the first embodiment, the lower jig is a one-layer structure, the lens groove 12 and the solder groove are integrally disposed on the lens and solder ring jig 10, and the lens groove 12 and the solder groove are coaxially disposed on the lens and solder ring jig 10; the preparation device of the pipe cap forms a three-layer structure;
when the lower jig is the lens jig 50 and the solder ring jig 40 which are independent from each other, that is, the second embodiment, the lower jig is a double-layer structure, the plurality of solder grooves 11 are arranged on the solder ring jig in an array manner, the plurality of lens grooves 12 are arranged on the lens jig 50 in an array manner, and the solder grooves 11 and the lens grooves 12 are arranged in a one-to-one correspondence manner; the preparation device of the pipe cap forms a four-layer structure.
Further, the lens fixture 50 includes an upper plate and a lower plate, the upper plate is disposed on the lower plate and slidably connected to the lower plate, a plurality of upper lens through holes are arranged in an array on the upper plate, a plurality of lower lens through holes are arranged in an array on the lower plate, each upper lens through hole and each lower lens through hole are arranged in a staggered manner in an initial position, the upper lens through holes form lens grooves 12, and when the upper plate and the lower plate relatively move to a sliding position, each upper lens through hole and each lower lens through hole are in one-to-one correspondence and communicated arrangement to form a lens channel together; when the lens jig 50 is overlapped with the middle jig, the lens channels are coaxially arranged in one-to-one correspondence with the metal tube housing grooves 21 on the middle jig.
Further, the guardrail has been arranged around the up end of tool down, is equipped with first discharge gate 15 on the guardrail.
Further, a notch is arranged on the guardrail of the lower jig to form a first discharge hole 15.
When the lower jig is the lens and solder ring jig 10, the guardrail is arranged around the upper end surface of the lens and solder ring jig 10, and the lens and solder ring jig 10 is provided with a discharge hole on the guardrail.
When the lower jig is the lens jig 50 and the solder ring jig 40 which are independent from each other, the periphery of the upper end surface of the solder ring jig is provided with a guardrail, and a discharge hole is formed in the guardrail of the solder ring jig; the upper end face of the upper plate is provided with a guardrail, and a discharge hole is formed in the guardrail of the upper plate.
Furthermore, the guardrail is arranged around the upper end face of the middle jig, and a second discharge hole is formed in the guardrail.
Furthermore, a notch is arranged on the guardrail of the middle jig to form a second discharge hole.
Furthermore, the material of each tool is any one of plastics, graphite, aluminum alloy and stainless steel.
When the lower jig is a lens and solder ring jig, the lower jig is of a layer structure, a lens groove and a solder groove are integrally arranged on the lens and solder ring jig, and the lens groove and the solder groove are coaxially arranged on the lens and solder ring jig;
the preparation process of the pipe cap comprises the following steps:
1) sealing a first discharge port 15 of the lower jig, stacking the lenses to the upper end surface of the lower jig, fully shaking and/or vibrating the lower jig to enable each lens groove 12 to have one lens, and removing redundant lenses which do not enter the lens grooves 12 on the upper end surface of the lower jig through the first discharge port 15;
2) sealing the first discharge hole 15 of the lower jig, stacking the solder rings to the upper end surface of the lower jig, fully shaking and/or vibrating the lower jig to ensure that each solder groove 11 is provided with one solder ring, and removing the redundant solder rings on the upper end surface of the lower jig, which do not enter the solder grooves 11, through the first discharge hole 15;
3) sealing a second discharge hole of the middle jig, stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove 21 to have one metal tube shell, and removing the redundant metal tube shells on the upper end face of the middle jig, which do not enter the metal tube shell grooves 21, out through the second discharge hole;
4) placing the middle jig loaded with the metal tube shells on the lower jig, arranging the solder grooves 11 and the metal tube shell grooves 21 in a one-to-one coaxial manner, then placing the upper jig on the middle jig, and embedding the bosses 31 of the upper jig into the inner holes of the metal tube shells in the metal tube shell grooves 21 downwards to be completely and tightly attached;
5) the lower jig, the middle jig and the upper jig which are overlapped are integrally turned over for 180 degrees and are placed on a workbench, the upper jig is located at the lowest layer, the boss 31 faces upwards, the jig group is tapped, the solder ring and the lens enter a designated position through the lower through hole, the solder ring is located at the upper end of the metal tube shell, the lens is embedded into the inner hole at the upper end of the metal tube shell, the bottom end of the lens is in contact with the top surface of the boss 31, the jigs and the middle jig are sequentially taken down, and the tube cap material assembly is completed;
6) and moving the upper jig loaded with the metal tube shell, the welding material ring and the lens to a heating device kiln, and heating and sintering to form a tube cap.
Further, in the step 6), the heating temperature is controlled to be 300-500 ℃, and the sintering time is 5-30 min.
Further, in the step 6), the heating device is a kiln, and the kiln is a mesh belt furnace or a muffle furnace.
Further, after the step 6), the following steps are also included: and after sintering, testing the geometric dimension, the air tightness, the aging performance, the optical performance and the like of the pipe cap.
When the lower jig is the lens jig 50 and the solder ring jig 40 which are independent from each other, namely, the lower jig is a double-layer structure as shown in the second embodiment, a plurality of solder grooves 11 are arrayed and distributed on the solder ring jig, a plurality of lens grooves 12 are arrayed and distributed on the lens jig 50, and the solder grooves 11 and the lens grooves 12 are arranged in a one-to-one correspondence manner; the preparation device of the pipe cap forms a four-layer structure;
the lens jig 50 comprises an upper plate and a lower plate, wherein the upper plate is arranged on the lower plate and is in sliding connection with the lower plate, a plurality of upper lens through holes are arranged on the upper plate in an array manner, a plurality of lower lens through holes are arranged on the lower plate in an array manner, each upper lens through hole and each lower lens through hole are arranged in a staggered manner in the initial position, the upper lens through holes form lens grooves 12, and when the upper plate and the lower plate relatively move to the sliding position, each upper lens through hole and each lower lens through hole are in one-to-one correspondence and are communicated with each other to form a lens channel together; when the lens jig 50 is superposed with the middle jig, the lens channels are coaxially arranged in a one-to-one correspondence with the metal tube shell grooves 21 on the middle jig;
the preparation process of the pipe cap comprises the following steps:
1) sealing the discharge hole of the solder ring jig, stacking the solder rings to the upper end surface of the solder ring jig, fully shaking and/or vibrating the solder ring jig to enable each solder tank 11 to have one solder ring, and removing the redundant solder rings which do not enter the solder tanks 11 on the upper end surface of the solder ring jig through the first discharge hole 15;
2) sealing a second discharge hole of the middle jig, stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove 21 to have one metal tube shell, and removing the redundant metal tube shells on the upper end face of the middle jig, which do not enter the metal tube shell grooves 21, out through the second discharge hole;
3) placing the middle jig loaded with the metal tube shells on the solder ring jig, coaxially arranging the solder grooves 11 and the metal tube shell grooves 21 in a one-to-one correspondence manner, then placing the upper jig on the middle jig, and embedding the bosses 31 of the upper jig downwards into the inner holes of the metal tube shells in the metal tube shell grooves 21 to be tightly attached;
4) the stacked solder ring jig, the middle jig and the upper jig are turned over by 180 degrees integrally and placed on a workbench, the upper jig is located at the lowest layer, the boss 31 faces upwards, the jig group is tapped, the solder ring enters a designated position through the lower through hole and is located at the upper end of the metal tube shell, and the solder ring jig and the middle jig are taken down in sequence;
5) keeping the upper plate and the lower plate of the lens jig 50 at initial positions, stacking the lenses on the upper end surface of the upper plate, sufficiently shaking and/or vibrating the lens jig 50 to enable each lens groove 12 to have one lens, and removing the redundant lenses which do not enter the lens grooves 12 on the upper end surface of the lens jig 50 through a discharge hole;
6) placing the lens jig 50 on an upper jig loaded with a metal tube shell and a solder ring so that the lower lens through holes and the bosses 31 are coaxially arranged in a one-to-one correspondence manner;
7) the upper plate and the lower plate of the lens jig 50 are relatively moved to the sliding position, and the upper lens through holes and the lower lens through holes are correspondingly communicated one by one to form a lens channel together;
8) the lens in the lens groove 12 falls into the inner hole at the upper end of the corresponding metal tube shell through the lens channel, and the lens jig 50 is taken away to complete the assembly of the tube cap material;
9) and moving the upper jig loaded with the metal tube shell, the welding material ring and the lens to a heating device kiln, and heating and sintering to form a tube cap.
The jig is of a multi-layer array structure and consists of three layers or four layers to form a plurality of material cavities, the materials are placed in an inverted mode, after the combination is completed, the jig is turned over, the materials are placed on the boss welding jig 30 in the forward direction, and the pipe caps are sintered.
Further, the diameter of the upper end of the metal pipe shell is smaller than the inner diameter of the metal pipe shell groove 21, and the inner diameter of the metal pipe shell groove 21 is smaller than the diameter of the lower end of the metal pipe shell.
In the first embodiment of the present invention, the structure is a three-layer structure, when materials are combined, the bottom layer is the lens and solder ring fixture 10, the middle layer is the metal tube case fixture 20, and the upper layer is the boss welding fixture 30.
The lower jig is a lens and solder ring jig 10, and the solder groove 11 is positioned above the lens groove 12, and the two are coaxial and arranged on the jig in an array manner. The lens groove 12 has a diameter D and a depth H, and the lens 13 has a diameter DL and DL<D<1.5DL，0.5DL<H<1.5DLThe diameter of the solder groove 11 is D1, the depth is H1, and the outer diameter of the solder ring 14 is DhThickness of Hh，Dh<D1<1.2DL，0.5Hh<H1<1.5Hh. If H1<HhThen H is not less than DL(ii) a If H is<DLThen H1 is not less than Hh. Preference is given to DL≤H<1.5DL，Hh≤H1<1.5Hh. The whole jig is in a shape similar to a sieve, and guardrails are arranged around the jig to prevent the materials from falling. Only one material is ensured to exist in the solder groove 11 and the lens groove 12, and the redundant material is led out from the jig corner discharge hole 15 through vibrating the inclined jig or scraping the jig disc surface.
The middle jig is a metal tube case jig 20, the diameter of a metal tube case groove 21 is larger than the outer diameter of the upper portion 22 of the metal tube case and smaller than the outer diameter of the lower portion 23 of the metal tube case, the groove depth is larger than the height of the upper portion 22 of the metal tube case, the difference value does not exceed the thickness Hh of the solder ring, and a chamfer is arranged on the upper edge of the groove, so that the metal tube case is more easily hung upside down in the groove.
The diameter of the lower through hole 24 is not less than the outer diameter of the solder groove 11 of the lower jig, so that when the outer wall of the solder ring 14 contacts with the inner wall of the through hole 24, the solder ring 14 does not pass through the area above the upper hole 25 of the metal tube shell, and the preferred diameters are the same. The metal pipe shell grooves 21 are coaxial with the through holes 24 and are arranged on the jig in an array mode. The whole jig is in a shape similar to a sieve, and guardrails are arranged around the jig to prevent the materials from falling. The edge of the jig is provided with a discharge hole 26 for moving out the metal tube shell.
Go up the tool and be boss welding tool 30, boss 31 diameter is less than the metal tube internal diameter, highly require according to the welding to set for, below 5um of height precision, boss upper surface roughness Ra <0.8, boss upper surface and the regional bottom surface depth of parallelism of tube external diameter are less than 0.01mm, and the boss is arranged on the tool in an array.
The material groove, the through hole and the welding boss of the three-layer jig are coaxial and are arranged in the same array. The middle jig can be embedded into the lower jig, so that the slotted holes of the two layers of jigs are coaxial, and the eccentricity is less than 0.1 mm. The upper jig is embedded into the middle jig, and all the array bosses 31 can be embedded into the tube shell.
The jig is made of plastic, graphite, gold alloy or stainless steel.
The three-layer jig is corresponding to the pipe cap preparation process, and in the scheme of the three-layer structure, if H1 is adopted<Hh, then H is not less than DLIf the solder groove 11 is shallow, the lens 13 needs to be placed first; if H is<DLH1 is greater than or equal to Hh, which indicates that the lens groove 12 is shallow and the solder ring 14 needs to be discharged first.
Sealing a discharge port 15 of the lower jig 10, placing the lenses 13, fully shaking and vibrating the jig to enable the lenses 13 to be arranged in each lens groove 12, opening the discharge port 15, inclining the jig, slightly vibrating the jig to enable the redundant lenses 13 to be completely moved out, and finally ensuring that only one lens 13 is arranged in each lens groove 12. Sealing the discharge hole 15 again, adding the solder rings 14, fully shaking and vibrating the jig to enable each solder groove 11 to be provided with the solder rings 14, opening the discharge hole 15, inclining the jig, slightly vibrating the jig to completely remove the redundant solder rings 14, and ensuring that only one solder ring 14 is arranged in each solder groove 11 finally. The order of addition of the lens 13 and the solder ring 14 can be reversed, or excess material can be removed by scraping, as is practical.
Sealing the discharge hole 26 of the middle jig 20, adding the metal tube shells, fully shaking and vibrating the jigs to enable each metal tube shell groove 21 to fall into one metal tube shell, opening the discharge hole 26, inclining the jigs, slightly vibrating or scraping the jigs, and completely moving out the redundant metal tube shells.
According to the array direction, the middle jig 20 is embedded into the lower jig 10, the material grooves are ensured to be coaxial and corresponding, the upper jig 30 is embedded into the middle jig 20, and each boss 31 is completely embedded into the metal tube shell downwards.
And turning the assembled jig group by 180 degrees integrally to enable the boss to face upwards, and placing the jig group on a horizontal workbench. Tapping the jig group to enable the metal tube shell, the solder ring 14 and the lens 13 to be separated from the jig, falling onto the boss 31 of the upper jig 30, sleeving the metal tube shell on the boss 31, enabling the solder ring 14 to be located above the metal tube shell, enabling the lens 13 to be embedded into the upper hole 25 of the metal tube shell, and enabling the bottom end to be in contact with the top surface of the boss 31. And taking down the lower jig 10 and the middle jig 20, transferring the upper jig 30 loaded with the materials into a kiln, setting the temperature control range of the kiln to be 300-500 ℃ according to the melting temperature of the solder ring 14, and sintering for 20-50 min. The diameter of the lens 13 is slightly smaller than that of the hole 25 on the metal tube shell, the solder ring 14 can penetrate into the gap after being melted to form a glass buffer layer, and the lens can be pulled to the central position of the hole 25 on the metal tube shell under the action of the surface tension of the glass buffer layer to meet the coaxiality requirement.
In the second embodiment of the present invention, the solder ring jig 40 is separated from the lens jig 50, the solder ring jig 40, the metal tube jig 20 and the boss welding jig 30 form a jig set, the lowest layer is the solder ring jig 40, the middle layer is the metal tube jig 20, the uppermost layer is the boss welding jig 30, the jig set is turned over, the metal tube is placed on the boss 31, and the solder ring 14 is disposed above the metal tube. Lens tool 50 is bilayer structure, and two-layer slip, lens 13 can drop from the tool groove, gets into the metal tube upper hole, lens lower extreme and boss upper surface contact. In this solution, the lens 13 and the solder ring 14 are assembled separately, so as to avoid the lens from possibly damaging the solder ring when the two fall down simultaneously, but also increase the structural complexity.
In the four-layer structure scheme, the metal tube case jig 20 and the boss welding jig 30 are the same as the three-layer structure scheme, and in the solder ring jig 40, the diameter of the solder groove 41 is D2, the depth is H2, the outer diameter of the solder ring 14 is Dh, and the thickness is Hh，Dh<D2<1.2DL，0.5Hh<H2<1.5 Hh. The diameter of the solder groove 41 is not larger than the diameter of the through hole 24 below the metal tube jig, so that when the outer wall of the solder ring 14 is in contact with the inner wall of the through hole 24 below, the solder ring 14 does not pass through the area above the inner hole 25 at the upper end of the metal tube, and the preferred diameters are the same. The whole jig is in a shape similar to a sieve, and guardrails are arranged around the jig to prevent the materials from falling. The edge of the jig is provided with a second discharge port 42 for moving out the metal tube shell.
Lens tool 50 is the bilayer structure that can slide, and two-layer through-hole dislocation is sealed, and the top through-hole is lens groove 12, and the tool looks like the sieve form, is the guardrail all around, prevents that the material from dropping. The lower through holes are lens channels 52 arranged in the same array. The diameter of the lens groove is D, the depth is H, and the diameter of the lens is DL，DL<D<1.5DL，0.5DL<H<1.5DL。
The material grooves, the through holes and the welding bosses of the four-layer jig are coaxial and are arranged according to the same array, and the eccentricity is smaller than 0.1mm when the four-layer jig is matched with the material grooves.
A pipe cap preparation process corresponding to a four-layer jig is characterized in that in the structural scheme of the four-layer jig, a solder ring jig 40, a metal pipe shell jig 20 and a boss welding jig 30 form a jig group, the implementation methods of the three jigs are the same as those in the first embodiment, a solder ring 14 and a metal pipe shell are placed, so that a material is arranged in each material groove, the metal pipe shell jig is embedded into the solder ring jig 40, the boss welding jig 30 is placed at the top, all bosses 31 are embedded into inner holes of the metal pipe shell, the jig group is turned over, so that the metal pipe shell falls on the bosses 31, and the solder ring 14 falls on the metal pipe shell.
Adding lens 13 into lens tool 50, each lens groove 12 is provided with a lens 13, the lower layer of lens tool 50 is fixed relative to boss welding tool 30, the lower layer through hole 52 corresponds to the boss 31 array, namely corresponds to the metal tube upper hole array, the upper layer tool slides horizontally, lens 13 falls into inner hole 25 at the upper end of the metal tube through the lower layer through hole 52, forming complete material combination, and boss welding tool 30 is transferred to the kiln for sintering.
According to the preparation process of the pipe cap, a three-layer or four-layer jig structure is adopted, materials are placed in an inverted mode, the material jig is in a sieve shape, the materials can be conveniently placed, and the operation is simple; the array type is arranged, the stability is good, the requirement on the precision of the jig is low, the mass production is convenient, and the production efficiency is high. Does not need complex and expensive automation equipment, has low cost and is convenient to popularize.
In the third embodiment provided by the invention, the lens of the large-ball TO56 tube cap preparation process is a glass sphere with the diameter of 2mm, the size of a solder ring is phi 2.85 phi 2.15 H0.3mm, the tube shell is a standard TO56 metal tube shell, the total height is 2.75mm, the aperture is 3.3mm, the upper height is 2.5-2.6 mm, the upper outer diameter is 3.55mm, and the upper aperture is 2.0-2.2 mm.
In the three-layer jig structure, the diameter of a lens groove of a lower jig is 2.1mm, the depth of the lens groove is 2.1mm, the diameter of a solder groove is 3mm, and the depth of the solder groove is 0.4 mm; the diameter of the metal tube shell groove of the middle jig is 3.8mm, the depth is 2.7mm, the upper fillet R is 0.2, the diameter of the through hole is 3mm, and the depth of the through hole is 1.3 mm; go up tool boss diameter 3.2mm, height 1.7 mm. The material grooves, the through holes and the bosses form a surface array at the same interval to ensure that the jig assembly can be coaxial when assembled. Lower tool, well tool are similar to the screen form, are the guardrail all around, and the guardrail height is 5mm, and the tool corner has the discharge gate, and width is 10 mm. All the material grooves, the through holes and the bosses are arranged in a staggered mode in the same mode, so that the spatial layout is more reasonable. The array pitch in the X-axis direction is 6mm, and the array pitch in the Y-axis direction is 10 mm.
(1) Sealing the discharge port of the lower jig, adding enough spherical lenses into the screen-shaped jig, fully shaking the jig to enable one lens to be arranged in each lens groove, scraping the lens by adopting a scraper, or putting the lens into an empty lens groove by using a suction pen and tweezers, and leading out redundant lenses from the discharge port.
(2) Seal down the tool discharge gate, add capacity solder ring again, fully rock the tool for there is a solder ring in every solder groove, adopt the scraper blade to scrape the solder ring, or put into empty solder groove with suction pen, tweezers with the solder ring, unnecessary solder ring is derived from the discharge gate.
(3) Sealing the discharge port of the middle jig, adding a sufficient metal tube shell into the screen-shaped jig, fully shaking the jig to enable each metal tube shell groove to be internally provided with a lens, scraping the metal tube shell by adopting a scraper, or putting the metal tube shell into the empty metal tube shell groove by using a suction pen and tweezers, and leading out the redundant metal tube shell from the discharge port.
(4) And aligning the boss of the upper jig downwards to the inner hole of the metal tube shell of the middle jig, and slightly putting the upper jig into the metal tube shell to completely and tightly attach the upper jig and the metal tube shell.
(5) The jig group is turned over for 180 degrees, the boss faces upwards, the jig group is placed on the workbench, the solder ring and the lens enter the designated position through the through hole, namely the solder ring is located above the metal tube shell, the lens is embedded into the upper hole of the metal tube shell, the bottom end of the jig group is in contact with the top surface of the boss, the jig and the middle jig are taken out gently, and material assembly is completed.
(6) And transferring the upper jig carrying the materials into a kiln, setting the control range of the kiln to be 300-400 ℃ according to the melting temperature of the solder ring, and sintering for 20-30 min.
(7) And after sintering, testing the geometric dimension, the air tightness, the aging performance, the optical performance and the like of the pipe cap.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.

Claims (10)

1. The device for preparing the pipe cap is characterized by comprising a lower jig, a middle jig and an upper jig, wherein a plurality of solder grooves are arrayed on the lower jig; a lens groove is coaxially arranged below each solder groove, and the diameter of each lens groove is smaller than that of each solder groove; the middle jig is provided with metal pipe shell grooves in an array manner, lower through holes are coaxially arranged below each metal pipe shell groove, and the diameter of each lower through hole is smaller than that of each metal pipe shell groove; a plurality of bosses are arranged on the upper jig in an array manner;
when lower tool, well tool and last tool are by lower supreme superpose in proper order, solder groove, tubular metal resonator shell groove and boss one-to-one coaxial arrangement, the below through-hole and the solder groove intercommunication in tubular metal resonator shell groove, the upper end in tubular metal resonator shell groove is embedded to the boss.
2. The apparatus for manufacturing a pipe cap according to claim 1, wherein the lower jig is a lens and solder ring jig or a lens jig and a solder ring jig which are independent of each other, the middle jig is a metal pipe case jig, and the upper jig is a boss welding jig;
when the lower jig is a lens and solder ring jig, the lower jig is of a layer structure, the lens groove and the solder groove are integrally arranged on the lens and solder ring jig, and the lens groove and the solder groove are coaxially arranged on the lens and solder ring jig;
when the lower jig is a lens jig and a solder ring jig which are mutually independent, the lower jig is of a double-layer structure, a plurality of solder groove arrays are arranged on the solder ring jig, a plurality of lens groove arrays are arranged on the lens jig, and the solder grooves and the lens grooves are arranged in one-to-one correspondence.
3. The apparatus for manufacturing a pipe cap according to claim 2, wherein the lens jig comprises an upper plate and a lower plate, the upper plate is disposed on the lower plate and slidably connected to the lower plate, a plurality of upper lens through holes are formed in the upper plate, a plurality of lower lens through holes are formed in the lower plate, each upper lens through hole is staggered from each lower lens through hole in an initial position, the upper lens through holes form lens grooves, the upper plate and the lower plate are relatively moved to a sliding position, the upper lens through holes and the lower lens through holes are in one-to-one correspondence and are communicated with each other, and the lower lens through holes form lens passages; when the lens jig is overlapped with the middle jig, the lens channels are coaxially arranged in a one-to-one correspondence manner with the metal tube grooves on the middle jig.
4. The apparatus for preparing pipe cap of claim 1, wherein a guardrail is disposed around the upper end surface of the lower fixture, and the guardrail has a first discharge hole.
5. The apparatus for preparing pipe cap of claim 1, wherein the middle fixture has a guardrail disposed around the upper end surface, and the guardrail has a second outlet.
6. The apparatus for preparing a pipe cap according to claim 1, wherein each jig is made of any one of plastic, graphite, aluminum alloy and stainless steel.
7. A process for preparing a pipe cap by using the apparatus for preparing a pipe cap according to claim 1, wherein when the lower jig is a lens and solder ring jig, the lower jig has a one-layer structure, the lens groove and the solder groove are integrally formed on the lens and solder ring jig, and the lens groove and the solder groove are coaxially formed on the lens and solder ring jig;
the preparation process of the pipe cap comprises the following steps:
1) stacking the lenses to the upper end surface of the lower jig, shaking and/or vibrating the lower jig to enable each lens groove to have one lens, and moving out the redundant lenses which do not enter the lens grooves on the upper end surface of the lower jig;
2) stacking the solder rings to the upper end surface of the lower jig, fully shaking and/or vibrating the lower jig to enable each solder groove to have one solder ring, and removing the redundant solder rings which are not in the solder grooves on the upper end surface of the lower jig;
3) stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove to have one metal tube shell, and removing redundant metal tube shells which do not enter the metal tube shell grooves on the upper end face of the middle jig;
4) placing the middle jig loaded with the metal tube shell on the lower jig, enabling the solder grooves and the metal tube shell grooves to be coaxially arranged in a one-to-one correspondence mode, then placing the upper jig on the middle jig, and enabling the bosses of the upper jig to be downwards embedded into the inner holes of the metal tube shell in the metal tube shell grooves;
5) integrally turning the lower jig, the middle jig and the upper jig after being overlapped to enable the upper jig to be positioned at the lowest layer and the boss to be upward, enabling the solder ring and the lens to enter a designated position through the lower through hole, enabling the solder ring to be positioned at the upper end of the metal tube shell, embedding the lens into an inner hole at the upper end of the metal tube shell, enabling the bottom end of the lens to be in contact with the top surface of the boss, and sequentially taking the lower jig and the middle jig away;
6) and moving the upper jig loaded with the metal tube shell, the solder ring and the lens into a heating device, and heating and sintering to form a tube cap.
8. The process for preparing the pipe cap according to claim 7, wherein in the step 6), the heating temperature is controlled to be 300-500 ℃ and the sintering time is 5-30 min.
9. The process of claim 7, wherein in step 6), the heating device is a mesh belt furnace or a muffle furnace.
10. A process for preparing a tube cap by using the apparatus for preparing a tube cap according to claim 1, wherein the lower jig has a double-layer structure when the lower jig is a lens jig and a solder ring jig which are independent from each other, the plurality of solder groove arrays are arranged on the solder ring jig, the plurality of lens groove arrays are arranged on the lens jig, and the solder grooves and the lens grooves are arranged in one-to-one correspondence;
the lens jig comprises an upper plate and a lower plate, wherein the upper plate is arranged on the lower plate and is in sliding connection with the lower plate, a plurality of upper lens through holes are arranged on the upper plate in an array manner, a plurality of lower lens through holes are arranged on the lower plate in an array manner, each upper lens through hole and each lower lens through hole are arranged in a staggered manner in the initial position, the upper lens through holes form lens grooves, each upper lens through hole and each lower lens through hole are in one-to-one correspondence and communicated arrangement when the upper plate and the lower plate relatively move to the sliding position, and the lower lens through holes form lens channels; when the lens jig is superposed with the middle jig, the lens channels and the metal tube shell grooves on the middle jig are coaxially arranged in a one-to-one correspondence manner;
the preparation process of the pipe cap comprises the following steps:
1) stacking the solder rings on the upper end surfaces of the solder ring jigs, fully shaking and/or vibrating the solder ring jigs to enable each solder groove to have one solder ring, and removing the redundant solder rings which are not in the solder grooves on the upper end surfaces of the solder ring jigs;
2) stacking the metal tube shells to the upper end face of the middle jig, fully shaking and/or vibrating the middle jig to enable each metal tube shell groove to have one metal tube shell, and removing redundant metal tube shells which do not enter the metal tube shell grooves on the upper end face of the middle jig;
3) placing the middle jig loaded with the metal tube shell on the solder ring jig, enabling the solder grooves and the metal tube shell grooves to be coaxially arranged in a one-to-one correspondence mode, then placing the upper jig on the middle jig, and enabling the bosses of the upper jig to be downwards embedded into the inner holes of the metal tube shell in the metal tube shell grooves;
4) the stacked solder ring jig, the middle jig and the upper jig are integrally turned over, the upper jig is located at the lowest layer, the boss faces upwards, the solder ring enters an appointed position through the lower through hole, the solder ring is located at the upper end of the metal tube shell, and the solder ring jig and the middle jig are sequentially taken away;
5) keeping the upper plate and the lower plate of the lens jig at initial positions, stacking the lenses on the upper end surface of the upper plate, fully shaking and/or vibrating the lens jig to enable each lens groove to contain one lens, and moving out redundant lenses which do not enter the lens grooves on the upper end surface of the lens jig;
6) placing the lens jig on an upper jig loaded with a metal tube shell and a solder ring, and enabling the through holes of the lower lenses and the bosses to be coaxially arranged in a one-to-one correspondence manner;
7) the upper plate and the lower plate of the lens jig are relatively moved to sliding positions, and the upper lens through holes and the lower lens through holes are correspondingly communicated one by one to form a lens channel together;
8) the lens in the lens groove falls into the inner hole at the upper end of the corresponding metal tube shell through the lens channel, and the lens jig is taken away;
9) and moving the upper jig loaded with the metal tube shell, the solder ring and the lens into a heating device, and heating and sintering to form a tube cap.
CN202110696385.XA 2021-06-23 2021-06-23 Preparation device and process of pipe cap Active CN113376771B (en)

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KR20130134625A (en) * 2012-05-31 2013-12-10 군장대학산학협력단 Optical lens and optical lens manufacturing method of metal holder
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CN207303042U (en) * 2017-11-01 2018-05-01 广东瑞谷光网通信股份有限公司 A kind of full-automatic tiltedly window laser diode sealing cap equipment
JP2019012161A (en) * 2017-06-30 2019-01-24 日本電産コパル株式会社 Lens position adjustment device and manufacturing method for camera module
CN110676687A (en) * 2018-07-02 2020-01-10 潍坊华光光电子有限公司 Cap mounting device and method for welding semiconductor laser tube cap

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007108425A (en) * 2005-10-13 2007-04-26 Nippon Electric Glass Co Ltd Method and device of manufacturing optical component, and the optical component
CN101101941A (en) * 2006-07-05 2008-01-09 肖特股份公司 Method for the packaging of optical or optoelectronic components, and optical or optoelectronic package element producible according to the method
KR20130134625A (en) * 2012-05-31 2013-12-10 군장대학산학협력단 Optical lens and optical lens manufacturing method of metal holder
JP2019012161A (en) * 2017-06-30 2019-01-24 日本電産コパル株式会社 Lens position adjustment device and manufacturing method for camera module
CN207180359U (en) * 2017-09-12 2018-04-03 格莱特（天津）光电科技有限公司 A kind of microballoon pipe cap sinters tool
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