CN209551010U - The device of metal pipe material inner wall welding metal thin slice - Google Patents
The device of metal pipe material inner wall welding metal thin slice Download PDFInfo
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- CN209551010U CN209551010U CN201822227265.1U CN201822227265U CN209551010U CN 209551010 U CN209551010 U CN 209551010U CN 201822227265 U CN201822227265 U CN 201822227265U CN 209551010 U CN209551010 U CN 209551010U
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- pipe material
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- metal pipe
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- expansion
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Abstract
A kind of device of metal pipe material inner wall welding metal thin slice, including expansion jig and bolt, the expansion jig includes base portion, the bulge extended to form from the base portion and the through-hole through the base portion and bulge, it is isolated on the bulge and is formed with several independent expansion pieces, the bolt is inserted into the through-hole, the sheet metal is placed in the lumen of the metal pipe material and is bonded with the inner wall of lumen, the expansion jig is inserted into the lumen of the metal pipe material, the bolt squeeze the expansion piece make expansion piece expand outwardly squeeze the metal pipe material and or the sheet metal inner wall so that the sheet metal is close to the inner wall of the metal pipe material；The utility model can effectively prevent forming welding slag bonding protrusion on metal pipe material inner wall.
Description
Technical field
The utility model relates to the field of metal processing, espespecially a kind of device of metal pipe material inner wall welding metal thin slice.
Background technique
Currently, tablet computer can generally configure electronic pen, and electronic pen would generally using a metal pipe material as matrix,
The metal pipe material is limited to electronic pen dimensional problem, and usual tube wall and caliber are smaller.Such as, the tube wall of certain electronic pen product
With a thickness of 0.2mm, and for fixed or assembling other assemblies, it is also necessary to which the sheet metal that a piece of wall thickness is 0.05mm to be welded in
On the pipe material inner wall face, and have to fitting cannot closely have the problems such as gap.It generally requires institute through spot-welding technology
It states thin slice to be fixed on the pipe material inner wall face, spot welding is generally required by carrying out tubing described in spot-welded from outer pipe wall face
With sheet metal.The sheet metal is in welding, if spot welding energy is inadequate, it will cause the welding is not firm, tube wall occurs
It is layered with sheet metal and is bonded untight problem, if spot welding energy is enough, it is viscous that sheet metal formation welding slag can be burnt
Knot protrusion will affect the assembly of rear process on metal pipe material inner wall.
Utility model content
In consideration of it, can effectively solve it is necessary to provide a kind of device of metal pipe material inner wall welding metal thin slice because of point
Weld energy problem and caused by metal pipe material inner wall and sheet metal lamination problem or welding slag bond protrusion problem.
In order to solve the above technical problems, the utility model provides a kind of dress of metal pipe material inner wall welding metal thin slice
It sets, including expansion jig and bolt, the expansion jig includes base portion, the bulge extended to form from the base portion and through institute
The through-hole of base portion and bulge is stated, is isolated on the bulge and is formed with several independent expansion pieces, described in the bolt insertion
In through-hole, the sheet metal is placed in the lumen of the metal pipe material and is bonded with the inner wall of lumen, the expansion jig
It is inserted into the lumen of the metal pipe material, the bolt, which squeezes the expansion piece, makes expansion piece expand outwardly the extruding metal tube
Material and or the sheet metal inner wall so that the sheet metal is close to the inner wall of the metal pipe material.
Preferably, the internal diameter that the through-hole is located at the expansion piece is directed towards the expansion piece end direction and gradually becomes
It is small.
Preferably, the bolt includes the interconnecting piece for being inserted into handle, press section and the connection insertion handle and the press section,
The press section correspondence expands outwardly the expansion piece.
Preferably, the outer diameter of the end of the press section is less than the extruded parts in the outer diameter of described interconnecting piece one end,
Outer diameter of the press section outer end diameter to the extruded parts in described interconnecting piece one end uniformly becomes larger.
Preferably, the metal pipe material includes tube wall, lumen, the first positioning hole being opened on the tube wall and is formed in
Flat part on tube wall at a position, the first positioning hole are located on the flat part, and the bulge of the expansion jig is set
There is second location hole.
Preferably, described device further includes pilot pin, and the pilot pin is inserted into first, second positioning hole to position
The relative position of the metal pipe material and the expansion jig.
Preferably, the sheet metal has been stamped and formed out open loop arcuate structure, the gold before being placed in the lumen
The outer diameter for belonging to the open loop arcuate structure of thin slice is greater than or equal to the internal diameter of the lumen.
Preferably, when the sheet metal is placed in the lumen, the outer of the sheet metal open loop arcuate structure is compressed
Diameter, the elastic force using the open loop arcuate structure of the sheet metal are tightly attached to the sheet metal on the lumen wall.
Preferably, before being inserted into the expansion jig, between the sheet metal and the inner wall of the metal pipe material
It is positioned by pre- spot welding.
Preferably, the outer diameter variation of the press section is adapted with the internal diameter variation at expansion piece.
The device of the utility model metal pipe material inner wall welding metal thin slice is inserted into the expansion jig by bolt
To expand the expansion piece, it is close to expansion piece on the metal pipe material of the stitch bond location or the inner wall of sheet metal, it can
It effectively prevent forming welding slag bonding protrusion on the inner wall of the metal pipe material or sheet metal.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.
Fig. 1 is the perspective view of the utility model metal pipe material；
Fig. 2 is the cross-sectional view along A-A dotted line shown in Fig. 1；
Fig. 3 is the perspective view of the utility model metal pipe material inner wall welding metal chip device；
Fig. 4 is three-dimensional group for expanding jig and bolt of the utility model metal pipe material inner wall welding metal chip device
Close figure；
Fig. 5 is the expansion jig of the utility model metal pipe material inner wall welding metal chip device and the solid point of bolt
Xie Tu；
Fig. 6 is the cross-sectional view along B-B dotted line shown in Fig. 4.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
It please refers to shown in Fig. 1, Fig. 2, the metal pipe material 10 of the utility model is the base structure part of electronic pen, including tube wall
11, it lumen 12, the first positioning hole (not shown) that is opened on the tube wall 11 and is formed on tube wall 11 flat at a position
Smooth portion 110.12 inner wall of lumen of the metal pipe material 10 is welded with a sheet metal 13.The metal pipe material 10 and institute
It states sheet metal 13 and one is welded in by spot-welding technology.The first positioning hole is located on the flat part 110.
Please continue to refer to shown in Fig. 3 to Fig. 6, the utility model metal pipe material inner wall welding metal chip device includes portion
Make the expansion jig 20 in expansion jig 20, the insertion expansion jig 20 in point insertion 10 lumen 12 of metal pipe material
The bolt 30 and pilot pin 40 of expansion.
The expansion jig 20 include base portion 21, from before the base portion 21 to the bulge 22 extended to form, through described
The through-hole 23 of base portion 21 and 22 center of bulge.If the bulge 22 is provided at corresponding 13 position of sheet metal
The independent expansion piece 221 of dry plate, 221 shape of expansion piece be imitated structure, under the extruding of the bolt 30 with the pipe
The inner wall of chamber 12 is bonded.The internal diameter that the through-hole 23 is located at the expansion piece 221 is directed towards the 221 end side of expansion piece
To what is gradually become smaller.It is additionally provided with the second location hole 24 of the corresponding first positioning hole on the expansion jig 20, described second
Expansion piece 221 at 24 position of location hole is the imitated structure of the relatively described flat part 110.
The bolt 30 includes the connection of insertion handle 31, press section 33 and the connection insertion handle 31 and the press section 33
Portion 32.The tapered structure of the press section 33, i.e., the outer diameter of the end of the described press section 33 are less than the press section 33 and are located at institute
The outer diameter of 32 one end of interconnecting piece is stated, i.e., described 33 outer end diameter of press section is located at described 32 one end of interconnecting piece to the press section 33
Outer diameter uniformly become larger.
The pilot pin 40 cooperates the location hole 14 on 10 tube wall 11 of metal pipe material to realize to the gold by jig
Belong to the determination of 10 position of tubing.
The method of the metal pipe material inner wall welding metal thin slice of the utility model includes the following steps:
S1, metal pipe material and sheet metal are provided, and the sheet metal is placed in the intraluminal of the metal pipe material
Commitment positions；
In this step, the sheet metal 13 be stamped and formed out before being placed in the lumen 12 arcuate structure in order to
It is placed in the lumen 12.The arcuate structure of the sheet metal 13 is open loop structure, i.e., the described sheet metal 13 is not closure
Ring structure.The outer diameter of the open loop arcuate structure of the sheet metal 13 is greater than or equal to the internal diameter of the lumen 12.It is described
When sheet metal 13 is placed in the lumen 12, the outer diameter of the 13 open loop arcuate structure of sheet metal is compressed, the gold is utilized
The elastic force for belonging to the open loop arcuate structure of thin slice 13 is tightly attached to the sheet metal 13 on 12 inner wall of lumen.Simultaneously in institute
The tube wall 11 for stating metal pipe material 10, which carries out pre- spot welding outside, fixes the sheet metal 13 and the position of the metal pipe material 10.In advance
A point is only welded in spot welding.
S2, expansion jig is inserted into the lumen；
The bulge 22 for expanding jig 20 is inserted by this step from one end of the metal pipe material 10, makes the bulge 22
Corresponding to needing at the position of sheet metal 13 described in spot welding, i.e., the described bulge 22 is located at 13 ring structure of sheet metal
It is interior.
S3, the confirmation expansion jig are at set position；
In this step by the pilot pin 40 be inserted into the metal pipe material 10 first positioning hole and the expansion jig
Suitable position is in the determination expansion jig 20 in 20 second location hole 24.The fixed metal of the pilot pin 40
The relative position of tubing 10 and the expansion jig 20.
S4, bolt is provided, the bolt, which is inserted into, to be opened the expansion piece in the through-hole of the expansion jig and be close to
On the inner wall of the metal pipe material or the sheet metal；
In this step, the structure of the bolt 30 and expansion jig 20 is as previously mentioned, details are not described herein again.The bolt 30
Press section 33 be inserted between the expansion piece 221 and the outside elastic dilatation of the expansion piece 221 made to be tightly attached to the metal tube
On 13 inner wall of material 10 or the sheet metal.
S5, the pilot pin is exited, the metal pipe material is clamped by jig.
S6, spot welding operation, by the sheet metal complete solder on the metal pipe material inner wall；
In this step, need after the completion of spot welding, to remove bolt 30 to operation is blowed outside at spot welding by blower mechanism
And expansion jig 20, complete welding.
The method and device of the utility model metal pipe material inner wall welding metal thin slice is inserted into described swollen by bolt 30
To expand the expansion piece 221 in swollen jig 20, expansion piece 221 is made to be close to the metal pipe material 10 or metal of the stitch bond location
On the inner wall of thin slice 13, it can effectively prevent forming welding slag bonding on the inner wall of the metal pipe material 10 or sheet metal 13
Protrusion.
The above description is only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.All institutes within the spirit and principle of the utility model
Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of the claims of the utility model.
Claims (10)
1. a kind of device of metal pipe material inner wall welding metal thin slice, which is characterized in that described including expansion jig and bolt
Expansion jig includes base portion, the bulge extended to form from the base portion and through the through-hole of the base portion and bulge, described
It is isolated on bulge and is formed with several independent expansion pieces, the bolt is inserted into the through-hole, and the sheet metal is placed in institute
It states in the lumen of metal pipe material and is bonded with the inner wall of lumen, the expansion jig is inserted into the lumen of the metal pipe material,
The bolt squeeze the expansion piece make expansion piece expand outwardly squeeze the metal pipe material and or the sheet metal inner wall
Face is so that the sheet metal is close to the inner wall of the metal pipe material.
2. the device of metal pipe material inner wall welding metal thin slice as described in claim 1, which is characterized in that the through-hole position
Internal diameter at the expansion piece is directed towards the expansion piece end direction and gradually becomes smaller.
3. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 2, which is characterized in that the bolt packet
The interconnecting piece of insertion handle, press section and the connection insertion handle and the press section is included, the press section correspondence expands outwardly institute
State expansion piece.
4. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 3, which is characterized in that the press section
The outer diameter of end be less than the extruded parts in the outer diameter of described interconnecting piece one end, the press section outer end diameter is squeezed to described
The outer diameter that splenium is located at described interconnecting piece one end uniformly becomes larger.
5. the device of metal pipe material inner wall welding metal thin slice as described in claim 1, which is characterized in that the metal tube
Material includes tube wall, lumen, the first positioning hole being opened on the tube wall and is formed in flat part on tube wall at a position, institute
It states first positioning hole to be located on the flat part, the bulge of the expansion jig is equipped with second location hole.
6. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 5, which is characterized in that described device is also
Including pilot pin, the pilot pin is inserted into first, second positioning hole to position the metal pipe material with the expansion and control
The relative position of tool.
7. the device of metal pipe material inner wall welding metal thin slice as described in claim 1, which is characterized in that the metal foil
Piece has been stamped and formed out open loop arcuate structure, the outer diameter of the open loop arcuate structure of the sheet metal before being placed in the lumen
More than or equal to the internal diameter of the lumen.
8. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 7, which is characterized in that the metal foil
When piece is placed in the lumen, the outer diameter of the sheet metal open loop arcuate structure is compressed, the open loop of the sheet metal is utilized
The elastic force of arcuate structure is tightly attached to the sheet metal on the lumen wall.
9. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 8, which is characterized in that described in insertion
Before expanding jig, positioned between the sheet metal and the inner wall of the metal pipe material by pre- spot welding.
10. the device of metal pipe material inner wall welding metal thin slice as claimed in claim 4, which is characterized in that the extruding
The outer diameter variation in portion is adapted with the internal diameter variation at expansion piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227265.1U CN209551010U (en) | 2018-12-26 | 2018-12-26 | The device of metal pipe material inner wall welding metal thin slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227265.1U CN209551010U (en) | 2018-12-26 | 2018-12-26 | The device of metal pipe material inner wall welding metal thin slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209551010U true CN209551010U (en) | 2019-10-29 |
Family
ID=68304921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227265.1U Active CN209551010U (en) | 2018-12-26 | 2018-12-26 | The device of metal pipe material inner wall welding metal thin slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209551010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514166A (en) * | 2018-12-26 | 2019-03-26 | 深圳市长盈精密技术股份有限公司 | The device of metal pipe material inner wall welding metal thin slice |
-
2018
- 2018-12-26 CN CN201822227265.1U patent/CN209551010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514166A (en) * | 2018-12-26 | 2019-03-26 | 深圳市长盈精密技术股份有限公司 | The device of metal pipe material inner wall welding metal thin slice |
| CN109514166B (en) * | 2018-12-26 | 2024-04-19 | 东莞市新美洋技术有限公司 | Device for welding metal sheet on inner wall surface of metal pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200317 Address after: 523750 Building 2, No. 3, Jingcheng Second Road, Huangjiang Town, Dongguan City, Guangdong Province Patentee after: Dongguan xinmeiyang Technology Co., Ltd Address before: 518000, Guangdong, Shenzhen province Fuyong town Baoan District Qiaotou Fu Bridge Industrial 3 District No. 3 factory Patentee before: SHENZHEN EVERWIN PRECISION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |