CN211840488U - Vacuum sealing device for powder tubulation - Google Patents
Vacuum sealing device for powder tubulation Download PDFInfo
- Publication number
- CN211840488U CN211840488U CN201922268693.3U CN201922268693U CN211840488U CN 211840488 U CN211840488 U CN 211840488U CN 201922268693 U CN201922268693 U CN 201922268693U CN 211840488 U CN211840488 U CN 211840488U
- Authority
- CN
- China
- Prior art keywords
- plug
- powder
- clamping
- vacuum sealing
- clamping mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
A vacuum sealing device for powder tube loading comprises a vacuum chamber, wherein a movable rod, a plug clamping device, a seal welding plug, a metal tube pre-filled with degassing powder, a clamping mechanism and a movable platform are sequentially arranged in the vacuum chamber from top to bottom; the metal pipe is fixed on the clamping mechanism, and the clamping mechanism is fixed on the moving platform to move up and down; the moving platform is realized through an air cylinder or an electric push rod; the sealing and welding plug is clamped by a plug clamping device, and the plug clamping device is fixed on a movable rod and can move up and down; the plug clamping mechanism is realized by adopting an electric or pneumatic clamping jaw; an induction heating device is arranged between the sealing welding plug and the metal pipe; the whole set of powder tubulation vacuum sealing method adopts an induction heating mode to melt the solder embedded in the welding plug spreading flower girls, and the efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of powder metallurgy, especially, relate to a powder tubulation vacuum seal device.
Background
The powder tubulation vacuum seal technology is mainly used in the powder metallurgy field, and vacuum seal is carried out through the tubular metal resonator to pre-installation degasification powder to keep vacuum state throughout in the tubular metal resonator, for next step manufacturing procedure, for example hot isostatic pressing, provide the guarantee. If the sealing is unreliable, gas enters the metal tube, and gas bulges can occur in the subsequent processing technology, so that the product fails.
At present, the vacuum sealing of powder tube filling is mainly realized by the way that the end part of a metal tube is compacted by a jaw and then argon arc welding is carried out on the end surface. The method has a plurality of hidden dangers, firstly, welding is carried out after the end part of the metal pipe is pressed tightly by the jaw, the pressing is not reliable, the hidden danger of air leakage exists, and the danger of fracturing exists for the thin-wall pipe. Secondly, degree of automation is low, relies on workman's operation level to decide the welding seam reliability completely, and efficiency and quality can not guarantee.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a powder tubulation vacuum seal device, its vacuum seal who has solved pre-installation degasification powder metal pipeline badly leads to the problem that follow-up processing technology appears gaseous swell.
The purpose of the utility model is realized through the following technical scheme:
a vacuum sealing device for powder tube loading comprises a vacuum chamber, wherein a moving rod, a plug clamping device, a sealing and welding plug, a metal tube pre-filled with degassing powder, a clamping mechanism and a moving platform are sequentially arranged in the vacuum chamber from top to bottom;
the metal pipe is fixed on a clamping mechanism, and the clamping mechanism is fixed on the moving platform;
the sealing and welding plug is clamped by a plug clamping device, and the plug clamping device is fixed on the movable rod;
an induction heating device is arranged between the sealing and welding plug and the metal pipe.
Further: the upper end of the movable rod is connected with an up-and-down moving driving device, and the lower end of the movable rod is connected with the clamping mechanism.
Further: the plug clamping device comprises a clamping main structural part and an action driving part, and the driving part is realized in a pneumatic or electric mode.
Further: the sealing plug comprises a body and annular solder;
the outer wall of the body is fixedly connected with the annular welding flux.
Further: the body is made of copper or silver.
Further: the ring-shaped solder is made of copper alloy or silver alloy which is lower than the melting point of copper or silver.
Further: the metal tube is made of stainless steel.
Further: the clamping mechanism comprises a clamping part main body and a clamping action driving part, and the driving part adopts a pneumatic mode.
Further: the induction heating device comprises a heating coil and a heating power supply, and the heating coil is connected with the heating power supply through a conductive copper bar.
A sealing method of a vacuum sealing device for powder tubulation specifically comprises the following steps:
fixing the metal pipe pre-filled with degassing powder on a clamping mechanism in a vacuum chamber;
the plug clamping device clamps the sealing plug, and the annular solder is embedded on the sealing plug in advance;
moving the sealing plug downwards to an effective area of the induction heating device through the moving rod;
the induction heating device is started to heat the annular solder embedded on the sealing and welding plugging head to a molten state;
moving the sealing plug downwards again through the moving rod, and starting the moving platform to move the metal pipe upwards;
and the sealing plug and the metal pipe move oppositely at the same time to be butted in an effective area of the induction heating device, and the sealing is finished after the molten annular welding flux permeates into the sealing plug and the metal pipe.
Compared with the prior art, the beneficial effect that this application has is: the whole set of powder tube loading vacuum sealing method is carried out in a vacuum environment, the solder embedded on the sealing and welding plug is melted in an induction heating mode, the final vacuum sealing is realized by utilizing the relative movement of the sealing and welding plug and a metal pipeline pre-filled with degassed powder, the welding quality is guaranteed, and the sealing is reliable;
the whole set of powder tubulation vacuum sealing method adopts an induction heating mode to melt the solder embedded in the welding plug spreading flower girls, and the efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the sealing device of the present invention;
FIG. 2 is a schematic structural view of the seal plug of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the final sealing state of the powder tubulation of the present invention.
Wherein: 1. a vacuum chamber; 2. a travel bar; 3. a plug clamping device; 4. sealing and welding the plugs; 41. A body; 42. annular solder; 5. a heating device; 6. a metal tube; 7. degassing the powder; 8. a clamping mechanism; 9. and (4) moving the platform.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1-3, a vacuum sealing device for powder tube filling comprises a vacuum chamber 1, wherein a moving rod 2, a plug clamping device 3, a seal welding plug 4, a metal tube 6 pre-filled with degassing powder 7, a clamping mechanism 8 and a moving platform 9 are sequentially arranged in the vacuum chamber 1 from top to bottom.
The metal tube 6 is fixed on a clamping mechanism 8, and the clamping mechanism 8 is fixed on a moving platform 9 to move up and down.
The moving platform 9 is realized by an air cylinder or an electric push rod.
The seal welding plug 4 is clamped by a plug clamping device 3, and the plug clamping device 3 is fixed on the moving rod 2 and can move up and down.
The plug clamping mechanism 8 is realized by an electric or pneumatic clamping jaw.
An induction heating device 5 is arranged between the sealing welding plug 4 and the metal pipe 6, the induction heating device 5 comprises a heating coil and a heating power supply, and the heating coil is connected with the heating power supply through a conductive copper bar.
The sealing plug 4 includes a body 41 and a ring-shaped solder 42, and the ring-shaped solder 42 is embedded on the outer wall of the body 41.
The body 41 is made of copper or silver, and the ring-shaped solder 42 is made of a copper alloy or a silver alloy lower than the melting point of copper or silver.
The upper end of the moving rod 2 is connected with an up-down moving driving device, and the lower end of the moving rod 2 is connected with a clamping mechanism 8.
The clamping mechanism 8 comprises a clamping part main body and a clamping action driving part, and the driving part adopts a pneumatic or manual connection mode.
A sealing method of a vacuum sealing device for powder tubulation specifically comprises the following steps:
the metal tube 6, which is pre-loaded with the degassed powder 7, is fixed to a holding mechanism 8 within the vacuum chamber 1.
The plug clamping device 3 clamps the sealing plug, and the annular welding flux 42 is embedded on the sealing plug 4 in advance.
The sealing plug 4 is moved downwards to the effective area of the induction heating device 5 by the moving rod 2.
The induction heating device 5 is started to heat the annular solder 42 embedded in the sealing plug 4 to a molten state.
The welding plug 4 is moved downwards again by the moving rod 2, and the moving platform 9 is started to move the metal tube 6 upwards.
The sealing plug 4 and the metal tube 6 move oppositely at the same time to be butted in an effective area of the induction heating device 5, and the sealing is completed after the molten annular welding flux 42 permeates into the sealing plug 4 and the metal tube 6.
The whole powder tube-loading vacuum sealing method is carried out in a vacuum environment through the embodiment, the solder embedded on the sealing plug 4 is melted in an induction heating mode, the final vacuum sealing is realized by the relative movement of the sealing plug 4 and the metal tube 6 pre-filled with the degassed powder 7, the welding quality is guaranteed, and the sealing is reliable.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It is to be understood that the present application is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (9)
1. The vacuum sealing device for the powder tube loading is characterized by comprising a vacuum chamber (1), wherein a moving rod (2), a plug clamping device (3), a sealing and welding plug (4), a metal tube (6) pre-filled with degassing powder (7), a clamping mechanism (8) and a moving platform (9) are sequentially arranged in the vacuum chamber (1) from top to bottom;
the metal pipe (6) is fixed on a clamping mechanism (8), and the clamping mechanism (8) is fixed on a movable platform (9);
the sealing and welding plug (4) is clamped by a plug clamping device (3), and the plug clamping device (3) is fixed on the movable rod (2);
an induction heating device (5) is arranged between the sealing and welding plug (4) and the metal pipe (6).
2. The vacuum sealing device for powder tubulation according to claim 1, wherein the upper end of the moving rod (2) is connected with an up-and-down moving driving device, and the lower end of the moving rod (2) is connected with the clamping mechanism (8).
3. The vacuum sealing device for powder tubulation according to claim 1, wherein said plug holding device (3) comprises a main body structure and an actuating driving member, and the actuating driving member is realized in a pneumatic or electric manner.
4. The vacuum sealing device for powder tubes according to claim 1, wherein the sealing plug (4) comprises a body (41) and a ring-shaped solder (42);
the outer wall of the body (41) is fixedly connected with an annular welding flux (42).
5. A powder tubulation vacuum sealing device according to claim 4, wherein said body (41) is made of copper or silver.
6. The vacuum sealing device for powder tubulation according to claim 4, wherein said annular solder (42) is made of copper alloy or silver alloy having melting point lower than that of copper or silver.
7. The vacuum sealing device for powder tubulation according to claim 1, wherein said metal tube (6) is made of stainless steel.
8. The vacuum sealing device for powder tubulation of claim 1, wherein said clamping mechanism comprises a main body of clamping member and a driving member for clamping action, and the driving member is pneumatically operated.
9. The vacuum sealing device for powder tubulation according to claim 1, wherein said induction heating device (5) comprises a heating coil and a heating power supply, and the heating coil is connected with the heating power supply through a conductive copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268693.3U CN211840488U (en) | 2019-12-17 | 2019-12-17 | Vacuum sealing device for powder tubulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268693.3U CN211840488U (en) | 2019-12-17 | 2019-12-17 | Vacuum sealing device for powder tubulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840488U true CN211840488U (en) | 2020-11-03 |
Family
ID=73215288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922268693.3U Active CN211840488U (en) | 2019-12-17 | 2019-12-17 | Vacuum sealing device for powder tubulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211840488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014865A (en) * | 2019-12-17 | 2020-04-17 | 西安聚能装备技术有限公司 | Vacuum sealing device and sealing method for powder tube filling |
-
2019
- 2019-12-17 CN CN201922268693.3U patent/CN211840488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014865A (en) * | 2019-12-17 | 2020-04-17 | 西安聚能装备技术有限公司 | Vacuum sealing device and sealing method for powder tube filling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111014865A (en) | Vacuum sealing device and sealing method for powder tube filling | |
| CN211840488U (en) | Vacuum sealing device for powder tubulation | |
| JP5220449B2 (en) | Method and apparatus for joining metal members | |
| US2914371A (en) | Method of making miniature lamps | |
| CN101022913A (en) | Resistance welding method | |
| US7423232B2 (en) | Method for resistance welding/brazing a tube to a member | |
| CN110936042A (en) | Copper pipe welding device and welding method thereof | |
| CN103862175A (en) | Laser welding method of copper-based amorphous alloy | |
| CN103894795B (en) | The method of one species complex jacket degasification exhaust tube hydraulic tongs envelope | |
| CN107538095B (en) | Induction brazing equipment and copper pipe rapid induction brazing process method | |
| US6875944B2 (en) | Method for resistance welding/brazing a tube to a container | |
| CN105643043A (en) | Tool and processing method used for precise induction brazing of annular thin-walled part | |
| CN109121237B (en) | Dust-free and material-saving electric heating tube processing technology | |
| CN106352724A (en) | Ultrathin heat pipe and end opening sealing method thereof | |
| CN109365944B (en) | Induction brazing device for bent pipe joint and welding method thereof | |
| CN101607341B (en) | Heat exchanger cooling tube and tube plate bimetal welding technology | |
| US2441841A (en) | Exhaust tube assembly | |
| TWI650192B (en) | Apparatus and method of degasing and sealing for heat pipe | |
| CN1605424A (en) | Copper wire welding method used for welding torch tube of carbon dioxide welding device and welding torch tube structure welded thereby | |
| JP2018187685A (en) | Molding system and molding method | |
| CN113725689B (en) | Connection method of wire harness terminal | |
| CA2020579C (en) | Method of manufacturing gas sealed discharge tube | |
| CN108296368B (en) | A kind of plastic joining device and method of non-equal wall thickness metal pipe material | |
| CN211052420U (en) | Vacuum hot forging forming die for metal material | |
| CN106181014A (en) | A kind of metal tube pressure welding technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |