CN201799773U - Copper liner mesh type electrode device for projection welding positioning honeycomb cellular structure - Google Patents
Copper liner mesh type electrode device for projection welding positioning honeycomb cellular structure Download PDFInfo
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- CN201799773U CN201799773U CN2010205369931U CN201020536993U CN201799773U CN 201799773 U CN201799773 U CN 201799773U CN 2010205369931 U CN2010205369931 U CN 2010205369931U CN 201020536993 U CN201020536993 U CN 201020536993U CN 201799773 U CN201799773 U CN 201799773U
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- red copper
- honeycomb
- projection welding
- type electrode
- welding positioning
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Abstract
The utility model discloses a copper liner mesh type electrode device for a projection welding positioning honeycomb cellular structure, which comprises an electrode main body, two pressure plates, a copper mesh block body and a copper thin belt, wherein the lower surface of the copper mesh block is arranged on the copper thin belt; the upper surface of the copper mesh block is attached to the lower surface of the electrode main body together; the copper thin belt is arranged between the pressure plate and the electrode main body; and two ends of the copper thin belt are attached to the electrode main body. The copper liner mesh type electrode device for the projection welding positioning honeycomb cellular structure not only can ensure that a honeycomb cannot be crushed and thereby the depth of the indentation on the surface of the honeycomb is not more than 0.2mm, but also can ensure the honeycomb is firmly positioned with the casing. The gap between brazing surfaces is less than 0.05mm; and when the brazing is carried out in the furnace, the excellence and the stability of the brazing quality can be ensured without being fixed by a clamp.
Description
Technical field
The utility model relates to the design of engine honeycomb electrode assembly, and a kind of pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure is provided especially.
Background technology
Honeycomb has been widely used on the gas densification device of rotatable parts in the products such as aero-engine, gas turbine and stationary parts, honeycomb is to be that 0.05～0.08mm is pressed into a series of 1/2 orthohexagonal band and connects with spot welding or Laser Welding with wall thickness, be combined into that the manufacturing of a series of regular hexagon core lattice forms, honeycomb shape has ring-type, and fan-shaped section is also arranged.Honeycomb then is the member of honeycomb and shell combination, and honeycomb ring or honeycomb fan-shaped section and shell combination soldering form honeycomb.
The assembling of honeycomb and housing is located with projection welding, not only saved brazing jig, and guarantee the joint clearance of brazing easily, created good condition for obtaining good stable brazing quality, but with general projection welding keeper electrode device honeycomb being carried out assembling and positioning not only damages honeycomb by pressure easily, and can form bigger impression on the honeycomb surface, the honeycomb that damages can not reuse, caused the very big wasting of resources, therefore, the utility model provides a kind of special electrode assembly especially, avoids aborning honeycomb being damaged by pressure, and can not stay bigger impression on the honeycomb surface.
The utility model content
The pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, can guarantee not damage by pressure honeycomb, make behind the tack welding in the lip-deep depth of cup of honeycomb less than 0.2mm, can guarantee honeycomb and housing firm position again, gap between its faying face is less than 0.05mm, when carrying out furnace brazing, do not use anchor clamps to fix and just can guarantee the good and stable of brazing quality.
The pad red copper net type electrode assembly of projection welding positioning honeycomb structure that is used for described in the utility model is by electrode body (1), two pressing plates (2), red copper net block (3), red copper strip (4) is formed, wherein, the lower surface of red copper net block (3) places on the red copper strip (4), the lower surface of the upper surface of red copper net block (3) and electrode body (1) fits together, two stiff ends of red copper strip (4) are clamped between pressing plate (2) and electrode body (1) side by pressing plate (2) respectively, two pressing plates (2) of two ends boring are connected and fixed by two little hex bolts of M8, and then the red copper strip is fixedly clamped, red copper strip two ends are fitted on the electrode body (1).
The mesh specification of the red copper net block (3) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 100～160 orders.
Total number of plies of the red copper net block (3) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 15～20 layers.
The thickness of the red copper strip (4) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 0.2～0.3mm.。
The electrode body (1) that is used for the pad red copper net type electrode assembly of projection welding positioning honeycomb structure described in the utility model is made by the red copper material, main as being connected with the electrode welder head, be used for conductive electric current, and be used for the fixing of other component part, pressing plate (2) material is a red copper, be mainly used to clamping red copper strip, the little hex bolts of M8 is used for clamping red copper strip (4) and pressing plate (2), the main effect of red copper net block (3) is on the one hand electrode pressure to be played certain cushioning effect, avoid only having the honeycomb of 0.05～0.08mm to damage by pressure wall thickness, can enlarge the contact area of electrode assembly and honeycomb on the other hand, make by the CURRENT DISTRIBUTION of electrode more even, prevent because electric current focuses on certain point or the too much heat of certain local generation burns out honeycomb, or cause impression dark excessively, red copper strip (4) is connected and fixed red copper net block with electrode body (1), and conductive electric current.
Adopt the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, can satisfy the needs of honeycomb soldered into position, make the brazing quality of honeycomb meet relevant criterion, in addition, use the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, can avoid the use of a large amount of high temperature alloy brazing jigs, the saving cost is remarkable, simultaneously, increases batch, obviously increase work efficiency, reduced the processing cost of soldering.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the front view that is used for the pad red copper net type electrode assembly of projection welding positioning honeycomb structure;
Fig. 2 is a projection welding positioning honeycomb arrangement works front view.
Wherein, 5-pad red copper net type electrode assembly among Fig. 2,6-electrode tip, 7-operating circuit, 8-honeycomb, 9-assembly housing, 10-bottom electrode, 11-workbench.
The specific embodiment
The described pad red copper net type electrode assembly of projection welding positioning honeycomb structure that is used for of present embodiment is by electrode body (1), two pressing plates (2), red copper net block (3), red copper strip (4) is formed, wherein, the lower surface of red copper net block (3) places on the red copper strip (4), the lower surface of the upper surface of red copper net block (3) and electrode body (1) fits together, two stiff ends of red copper strip (4) are clamped between pressing plate (2) and electrode body (1) side by pressing plate (2) respectively, it is that two pressing plates (2) in Φ 8.2mm hole are connected and fixed by two little hex bolts of M8 that two ends are drilled with diameter, and then the red copper strip is fixedly clamped, red copper strip two ends are fitted tightly on electrode body (1).
The mesh specification of the red copper net block (3) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 100 orders.
Total number of plies of the red copper net block (3) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 20 layers.
The thickness of the red copper strip (4) of the pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 0.2mm.。
Embodiment 1
The red copper net type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, on 500～2000 joules reserve energy spot welding machine, carry out the projection welding location to honeycomb, concrete parameter such as following table 1:
Table 1
| The electric capacity charging voltage | 250～350V |
| Electrode pressure | 250～1000N |
| Positioning space | 10～20mm |
Wherein, charging voltage and electrode pressure are regulated according to the contact area size of electrode and honeycomb.
Test result: honeycomb and housing firm position, the gap of honeycomb and housing contact surface are 0.04mm (less than 0.05mm), and the depth of cup that electrode is produced on the honeycomb surface is 0.1mm (less than 0.2mm); Assembly behind the location is through vacuum brazing, and its brazing quality meets relevant criterion, and welding quality stable.
Claims (4)
1. pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure, it is characterized in that: described red copper net type electrode assembly is made up of electrode body (1), two pressing plates (2), red copper net block (3), red copper strip (4), wherein, the lower surface of red copper net block (3) places on the red copper strip (4), the lower surface of the upper surface of red copper net block (3) and electrode body (1) fits together, the two ends of red copper strip (4) place between pressing plate (2) and the electrode body, and the two ends of red copper strip (4) are fitted on the electrode body (1).
2. according to the described pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure of claim 1, it is characterized in that: the mesh specification of described red copper net block (3) is 100～160 orders.
3. according to the described pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure of claim 1, it is characterized in that: total number of plies of described red copper net block (3) is 15～20 layers.
4. according to the described pad red copper net type electrode assembly that is used for projection welding positioning honeycomb structure of claim 1, it is characterized in that: the thickness of described red copper strip (4) is 0.2～0.3mm.。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369931U CN201799773U (en) | 2010-09-21 | 2010-09-21 | Copper liner mesh type electrode device for projection welding positioning honeycomb cellular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369931U CN201799773U (en) | 2010-09-21 | 2010-09-21 | Copper liner mesh type electrode device for projection welding positioning honeycomb cellular structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201799773U true CN201799773U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205369931U Expired - Lifetime CN201799773U (en) | 2010-09-21 | 2010-09-21 | Copper liner mesh type electrode device for projection welding positioning honeycomb cellular structure |
Country Status (1)
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| CN (1) | CN201799773U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974946A (en) * | 2012-11-12 | 2013-03-20 | 西安航空动力股份有限公司 | Method for controlling deformation of sheet bar honeycomb during vacuum soldering and brazing |
| CN105855684A (en) * | 2016-06-06 | 2016-08-17 | 中国南方航空工业(集团)有限公司 | Aero-engine honeycomb-type sealing part energy storage and spot welding electrode |
| CN106041237A (en) * | 2016-06-06 | 2016-10-26 | 中国南方航空工业(集团)有限公司 | Positioning method for honeycomb type tight seal pieces of aircraft engine |
-
2010
- 2010-09-21 CN CN2010205369931U patent/CN201799773U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974946A (en) * | 2012-11-12 | 2013-03-20 | 西安航空动力股份有限公司 | Method for controlling deformation of sheet bar honeycomb during vacuum soldering and brazing |
| CN102974946B (en) * | 2012-11-12 | 2015-03-18 | 西安航空动力股份有限公司 | Method for controlling deformation of sheet bar honeycomb during vacuum soldering and brazing |
| CN105855684A (en) * | 2016-06-06 | 2016-08-17 | 中国南方航空工业(集团)有限公司 | Aero-engine honeycomb-type sealing part energy storage and spot welding electrode |
| CN106041237A (en) * | 2016-06-06 | 2016-10-26 | 中国南方航空工业(集团)有限公司 | Positioning method for honeycomb type tight seal pieces of aircraft engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |
|
| CX01 | Expiry of patent term |