CN108788465B - Ultraviolet tube electrode welding device and welding method thereof - Google Patents
Ultraviolet tube electrode welding device and welding method thereof Download PDFInfo
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- CN108788465B CN108788465B CN201810750327.9A CN201810750327A CN108788465B CN 108788465 B CN108788465 B CN 108788465B CN 201810750327 A CN201810750327 A CN 201810750327A CN 108788465 B CN108788465 B CN 108788465B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
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Abstract
The invention discloses a purple light tube electrode welding device and a welding method thereof, and relates to the technical field of ultraviolet photoelectric tube manufacturing. The invention ensures that the spacing between the positive electrode and the negative electrode is consistent after welding, and the parallelism and the flatness are high; the relative positions of the welding angles of the anode sheet and the core column are consistent; when discharging between the cathode and the anode, the discharge is uniform, and the performance and the quality of the purple light tube are improved.
Description
Technical Field
The invention relates to the technical field of ultraviolet phototube manufacturing, in particular to a purple light tube electrode welding device and a welding method thereof.
Background
The ultraviolet photoelectric tube comprises a core column, an anode sheet and a cathode sheet. The anode sheet and the cathode sheet are made of nickel, the material is soft and easy to deform, and the parallelism and the flatness between the electrodes are not easy to guarantee. At present, the welding method between the electrode plate and the core column is a fixed positioning welding method, namely, the cathode plate and the anode plate are respectively placed on a fixing piece and are separated by a partition plate of the fixing piece. The welding method has the following defects: the electrode plates are not tightly attached, so that the distance between the electrodes is different, and the parallelism and the flatness are poor; the relative positions of the welding angles of the anode electrode plate and the core column are different; uneven discharge and even no discharge can occur when the discharge is carried out between the cathode and the anode, and the performance and the quality of the ultraviolet tube are influenced; the method is difficult to operate, cannot accurately position, has low manufacturing efficiency and cannot carry out batch manufacturing.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a welding apparatus for a violet ray tube electrode and a welding method thereof.
The invention realizes the purpose through the following technical scheme:
a purple light tube electrode welding device comprises an upper base and a lower base, wherein a mounting groove is formed in the center of the upper base, mounting holes are formed in two sides of the mounting groove, mounting holes are formed in the positions, corresponding to the upper base, of the lower base, a guide post is arranged between the upper base and the lower base, and the guide post is mounted in the mounting holes of the upper base and the lower base; an upper die is arranged at the bottom of the upper base and is installed in the installation groove, cathode sheet limiting grooves for placing cathode sheets are formed in two sides of the upper die, and anode sheet limiting grooves for placing anode sheets are formed in the bottom of the upper die; the upper portion that lower base is close to one side is equipped with the fixed block, and the processing has the guide way on the lower base of fixed block below, and lower base opposite side and guide way are corresponding is equipped with the spout, are equipped with the inserted block in spout and the guide way, and lower base central point puts and is equipped with the cavity of placing the stem.
Preferably, the upper die is provided with a mounting cavity close to the bottom, and a magnet is arranged in the mounting cavity.
Preferably, a base plate is arranged between the anode sheet limiting groove and the insert block.
Preferably, the insert block is provided with a limiting column for fixing the welding angle and position of the core column.
The welding method of the ultraviolet tube electrode welding device comprises the following steps:
(1) separating the upper die from the lower base, and then placing the anode sheet in the anode sheet limiting groove of the upper die;
(2) placing a base plate at the bottom of the anode sheet limiting groove;
(3) placing the cathode plate in the cathode plate limiting groove of the upper die;
(4) the core column is placed in a cavity of the lower base, and the welding angle of the core column and the relative positions of the core column, the anode sheet and the cathode sheet are adjusted by sliding the insert block in the sliding chute and the guide groove;
(5) the upper die is contacted with the insert block and is pressed tightly under the guiding action of the guide post;
(6) welding the anode sheet and the cathode sheet on a welding angle in contact with the core column through laser spot welding;
(7) and slowly lifting the upper die by hand, taking down the backing plate by using tweezers, taking down the insert block, and finally taking out the core column welded with the upper anode piece and the cathode piece.
The invention has the beneficial effects that: the invention solves the problems of the existing welding method between the electrode plate and the core column, ensures the consistent distance between the positive electrode and the negative electrode after welding, and has high parallelism and flatness; the relative positions of the welding angles of the anode sheet and the core column are consistent; when discharging between the cathode and the anode, the discharge is uniform, and the performance and the quality of the purple light tube are improved; the welding method is simple to operate, accurate in positioning and high in welding efficiency, and can be manufactured in batches.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a bottom view of the upper base of the present invention;
FIG. 3 is a perspective view of the upper die of the present invention;
FIG. 4 is a perspective view of an insert block of the present invention;
FIG. 5 is a top view of the insert of the present invention;
FIG. 6 is a perspective view of the sub-base of the present invention;
fig. 7 is a perspective view of a stem of the present invention;
fig. 8 is a perspective view of the whole structure of the invention with a stem.
Wherein: 1. mounting grooves; 2. an upper base; 3. a guide post; 4. a fixed block; 5. a cavity; 6. a lower base; 7. inserting a block; 8. a base plate; 9. an anode sheet limiting groove; 10. a mounting cavity; 11. a cathode plate limiting groove; 12. mounting holes; 13. a limiting column; 14. a chute; 15. a guide groove; 16. a stem; 17. an anode sheet; 18. a cathode plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, 2 and 8, the welding device of the present invention comprises an upper base 2 and a lower base 6, wherein the upper base 2 is provided with a mounting groove 1 at the center, mounting holes 12 are provided at two sides of the mounting groove 1, and the lower base 6 is provided with mounting holes 12 at the corresponding positions of the upper base 2. A guide post 3 is arranged between the upper base 2 and the lower base 6, and the guide post 3 is installed in a mounting hole 12 of the upper base 2 and the lower base 6. As shown in fig. 3, 7 and 8, the bottom of the upper base 2 is provided with an upper die, the upper die is installed in the installation groove 1, the two sides of the upper die are provided with cathode slice limiting grooves 11 for placing cathode slices 18, and the bottom of the upper die is provided with anode slice limiting grooves 9 for placing anode slices 17. As shown in fig. 3, the upper die is provided with a mounting cavity 10 near the bottom, a magnet is arranged in the mounting cavity 10, and the cathode plate 18 is fixed by the attraction of the magnet. As shown in fig. 4, 6 and 8, a fixing block 4 is disposed on an upper portion of one side of the lower base 6, the fixing block 4 has a function of keeping stability of the insertion block 7, a guide slot 15 is processed on the lower base 6 below the fixing block 4, a sliding slot 14 is disposed on the other side of the lower base 6 corresponding to the guide slot 15, the insertion block 7 is disposed in the sliding slot 14 and the guide slot 15, and a cavity 5 for placing the stem 16 is disposed in a center position of the lower base 6. As shown in fig. 5, the insert 7 is provided with a position-limiting post 13 for fixing the welding angle and position of the stem 16. As shown in fig. 8, a backing plate 8 is provided between the anode sheet limiting groove 9 and the insert block 7. The backing plate 8 has a function of separating the anode sheet 17 and the cathode sheet 18, and the position of the cathode sheet 18 and the anode sheet 17 can be limited by the cooperation of the backing plate 8 and the upper mold.
The welding method comprises the following steps: as shown in fig. 8, (1) the upper die is separated from the lower base 6, and then the anode sheet 17 is placed in the anode sheet limiting groove 9 of the upper die; (2) placing the base plate 8 at the bottom of the anode sheet limiting groove 9; (3) placing the cathode plate 18 in the cathode plate limiting groove 11 of the upper die; (4) the core column 16 is placed in the cavity 5 of the lower base 6 and fixed, and the welding angle of the core column 16 and the relative positions of the core column 16, the anode sheet 17 and the cathode sheet 18 are adjusted by the sliding of the insert block 7 in the sliding groove 14 and the guide groove 15; (5) the upper die is contacted with the insert block 7 and is pressed tightly under the guiding action of the guide column 3; (6) welding the anode sheet 17 and the cathode sheet 18 on the welding corners in contact with the stem 16 by laser spot welding; (7) the upper die is slowly lifted by hand, the backing plate 8 is taken down by tweezers, then the insert block 7 is taken down, and finally the core column 16 on which the anode piece and the cathode piece are welded is taken out. The welding method has short welding period between the cathode and anode electrode plates and the core column, and can be used for batch production.
The detection proves that the parallelism between the cathode and the anode of the electrode core column manufactured by the welding method is high, the parallelism can be ensured within 0.02mm, the discharge is uniform, and the performance of the electrode core column manufactured by the welding method for the later-stage manufacture of the ultraviolet tube is greatly improved.
The invention solves the problems of difficult operation, non-uniform electrode plate spacing after welding, poor parallelism and flatness, incapability of accurate positioning, low manufacturing efficiency and batch manufacturing in the existing welding method, and provides the welding device and the welding method thereof with high-accuracy positioning and simple operation between the discharge electrode of the ultraviolet photoelectric tube and the core column angle. The invention has the advantages of accurate and convenient positioning, simple operation and high efficiency, and ensures the spacing, the parallelism and the flatness between the electrodes after welding.
The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention. Those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention. The scope of the invention is defined by the claims and their equivalents.
Claims (3)
1. A welding method of a purple light tube electrode welding device adopts the purple light tube electrode welding device, the welding device comprises an upper base and a lower base, and the welding method is characterized in that: the center of the upper base is provided with a mounting groove, mounting holes are formed in two sides of the mounting groove, mounting holes are formed in the positions, corresponding to the upper base, of the lower base, a guide column is arranged between the upper base and the lower base, and the guide column is mounted in the mounting holes of the upper base and the lower base; an upper die is arranged at the bottom of the upper base and is installed in the installation groove, cathode sheet limiting grooves for placing cathode sheets are formed in two sides of the upper die, and anode sheet limiting grooves for placing anode sheets are formed in the bottom of the upper die; a fixed block is arranged at the upper part of one side of the lower base, a guide groove is processed on the lower base below the fixed block, a sliding groove is arranged at the other side of the lower base corresponding to the guide groove, an insert block is arranged in the sliding groove and the guide groove, a cavity for placing a core column is arranged at the center of the lower base, and a backing plate is arranged between the anode sheet limiting groove and the insert block;
the welding method comprises the following steps:
(1) separating the upper die from the lower base, and then placing the anode sheet in the anode sheet limiting groove of the upper die;
(2) placing a base plate at the bottom of the anode sheet limiting groove;
(3) placing the cathode plate in the cathode plate limiting groove of the upper die;
(4) the core column is placed in a cavity of the lower base, and the welding angle of the core column and the relative positions of the core column, the anode sheet and the cathode sheet are adjusted by sliding the insert block in the sliding chute and the guide groove;
(5) the upper die is contacted with the insert block and is pressed tightly under the guiding action of the guide post;
(6) welding the anode sheet and the cathode sheet on a welding angle in contact with the core column through laser spot welding;
(7) and slowly lifting the upper die by hand, taking down the backing plate by using tweezers, taking down the insert block, and finally taking out the core column welded with the upper anode piece and the cathode piece.
2. The welding method of the purple light pipe electrode welding device according to claim 1, characterized in that: the upper die is provided with a mounting cavity close to the bottom, and a magnet is arranged in the mounting cavity.
3. The welding method of the purple light pipe electrode welding device according to claim 1, characterized in that: and the insert block is provided with a limiting column for fixing the welding angle and position of the core column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750327.9A CN108788465B (en) | 2018-07-10 | 2018-07-10 | Ultraviolet tube electrode welding device and welding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810750327.9A CN108788465B (en) | 2018-07-10 | 2018-07-10 | Ultraviolet tube electrode welding device and welding method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108788465A CN108788465A (en) | 2018-11-13 |
| CN108788465B true CN108788465B (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810750327.9A Active CN108788465B (en) | 2018-07-10 | 2018-07-10 | Ultraviolet tube electrode welding device and welding method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180042A (en) * | 1984-02-27 | 1985-09-13 | Hitachi Ltd | Method of connection lead in structure of electron gun |
| JPH1125856A (en) * | 1997-06-27 | 1999-01-29 | Sony Corp | Fixing jig for electron gun and positioning method using it. |
| JPH11260261A (en) * | 1998-03-09 | 1999-09-24 | Matsushita Electric Ind Co Ltd | Bonding device for gun and stem of crt electronic component |
| CN102672393A (en) * | 2012-05-16 | 2012-09-19 | 安徽华东光电技术研究所 | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof |
| CN204893183U (en) * | 2015-04-08 | 2015-12-23 | 无锡市华庄电光源机械有限公司 | Spot welding device of LED filament lamp |
| CN105290592A (en) * | 2015-11-27 | 2016-02-03 | 镇江晨光焊接设备制造有限公司 | Automatic welding and clamping device of long and short legs of LED lamp strip |
-
2018
- 2018-07-10 CN CN201810750327.9A patent/CN108788465B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180042A (en) * | 1984-02-27 | 1985-09-13 | Hitachi Ltd | Method of connection lead in structure of electron gun |
| JPH1125856A (en) * | 1997-06-27 | 1999-01-29 | Sony Corp | Fixing jig for electron gun and positioning method using it. |
| JPH11260261A (en) * | 1998-03-09 | 1999-09-24 | Matsushita Electric Ind Co Ltd | Bonding device for gun and stem of crt electronic component |
| CN102672393A (en) * | 2012-05-16 | 2012-09-19 | 安徽华东光电技术研究所 | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof |
| CN204893183U (en) * | 2015-04-08 | 2015-12-23 | 无锡市华庄电光源机械有限公司 | Spot welding device of LED filament lamp |
| CN105290592A (en) * | 2015-11-27 | 2016-02-03 | 镇江晨光焊接设备制造有限公司 | Automatic welding and clamping device of long and short legs of LED lamp strip |
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| Publication number | Publication date |
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| CN108788465A (en) | 2018-11-13 |
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Address after: 241000 No.14 henglangshan Road, high tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: Anhui Huaxia photoelectric Co.,Ltd. Address before: 241002 plant 4, high tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee before: ANHUI HUAXIA DISPLAY TECHNOLOGY Co.,Ltd. |