CN201799774U - Silicone rubber padding electrode device for projection welding and positioning honey comb structure - Google Patents

Silicone rubber padding electrode device for projection welding and positioning honey comb structure Download PDF

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Publication number
CN201799774U
CN201799774U CN2010205370144U CN201020537014U CN201799774U CN 201799774 U CN201799774 U CN 201799774U CN 2010205370144 U CN2010205370144 U CN 2010205370144U CN 201020537014 U CN201020537014 U CN 201020537014U CN 201799774 U CN201799774 U CN 201799774U
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CN
China
Prior art keywords
silicon rubber
projection welding
silicone rubber
red copper
honeycomb
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Expired - Lifetime
Application number
CN2010205370144U
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Chinese (zh)
Inventor
孔庆吉
杜静
桓恒
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AECC Shenyang Liming Aero Engine Co Ltd
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Shenyang Liming Aero Engine Group Co Ltd
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Filing date
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Priority to CN2010205370144U priority Critical patent/CN201799774U/en
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Publication of CN201799774U publication Critical patent/CN201799774U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a silicone rubber padding electrode device for projection welding and positioning a honey comb structure, which comprises an electrode main body, a silicone rubber block, and a red copper thin strip, wherein the lower surface of the silicone rubber block is arranged on the red copper thin strip, the upper surface of the silicone rubber block is attached on the lower surface of the electrode main body, and the two ends of the red copper thin strip are attached on the electrode main body. The silicone rubber padding electrode device for projection welding and positioning the honey comb structure not only can guarantee that the honey comb is not crushed, ensures that the depth of indentation on the surface of the honey comb is not more than 0.2mm after being positioned and welded, but also can guarantee that the honey comb and a shell are positioned firmly and the clearance between braze welding surfaces is less than 0.05mm, and can guarantee that the braze welding quality is excellent and stable without being fixed by clamps when furnace brazing is carried out.

Description

A kind of pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure
Technical field
The utility model relates to the design of engine honeycomb electrode assembly, and a kind of pad silicon rubber 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 silicon rubber 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 silicon rubber type electrode assembly of projection welding positioning honeycomb structure that is used for described in the utility model is by electrode body (1), silicon rubber piece (2), red copper strip (3) is formed, wherein the lower surface of silicon rubber piece (2) places on the red copper strip (3), the upper surface of silicon rubber piece (2) and electrode body (1) lower surface are fitted, two stiff ends of red copper strip (3) are drilled with a hole respectively, and it is corresponding with the hole on the electrode body (1), pass hole on red copper strip (3) and the electrode body (1) with the screw rod of the little hex bolts of M8, nut is installed then and is screwed, the two ends of red copper strip (3) are fitted on the electrode body (1).
The thickness that is used for the described silicon rubber piece of pad silicon rubber type electrode assembly (2) of projection welding positioning honeycomb structure described in the utility model is 8~12mm.
The thickness of the red copper strip (3) of the pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model is 0.2~0.3mm.
The pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, the width of red copper strip (3) is 11-15mm.
The electrode body (1) that is used for the pad silicon rubber 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, the main effect of silicon rubber piece (2) is on the one hand electrode pressure to be played bigger 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 (3) is connected and fixed silicon rubber piece (2) with electrode body (1), and conductive electric current.
Adopt the pad silicon rubber 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 silicon rubber 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 silicon rubber type electrode assembly of projection welding positioning honeycomb structure;
Fig. 2 is a projection welding positioning honeycomb arrangement works front view.
Wherein, 4-pad silicon rubber type electrode assembly among Fig. 2,5-electrode tip, 6-operating circuit, 7-honeycomb, 8-assembly housing, 9-bottom electrode, 10-workbench.
The specific embodiment
The described pad silicon rubber type electrode assembly of projection welding positioning honeycomb structure that is used for of present embodiment is by electrode body (1), silicon rubber piece (2), red copper strip (3) is formed, wherein the lower surface of silicon rubber piece (2) places on the red copper strip (3), the upper surface of silicon rubber piece (2) and electrode body (1) lower surface are fitted, two stiff ends of red copper strip (3) are drilled with the hole of a diameter of phi 8.2mm respectively, and it is corresponding with the hole on the electrode body (1), pass hole on red copper strip (3) and the electrode body (1) with the screw rod of the little hex bolts of M8, nut is installed then and is screwed, the two ends of red copper strip (3) are fitted on the electrode body (1).
The thickness of silicon rubber piece (2) that present embodiment is described to be used for the pad silicon rubber type electrode assembly of projection welding positioning honeycomb structure is 10mm.
The thickness of red copper strip (3) that present embodiment is described to be used for the pad silicon rubber type electrode assembly of projection welding positioning honeycomb structure is 0.2mm.
The described pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure of present embodiment, the width of red copper strip (3) is 13mm.
Embodiment 1
The pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure described in the utility model, on 500 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 300~360V
Electrode pressure 250~350N
Positioning space 10~40mm
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 is 0.03mm (less than 0.05mm), the depth of cup that electrode is produced on the honeycomb surface is 0.08mm (less than 0.02mm), assembly behind the location is through vacuum brazing, its brazing quality meets relevant criterion, welding quality stable.

Claims (4)

1. pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure, it is characterized in that: the described pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure is made up of electrode body (1), silicon rubber piece (2), red copper strip (3), wherein the lower surface of silicon rubber piece (2) places on the red copper strip (3), the upper surface of silicon rubber piece (2) and electrode body (1) lower surface are fitted, and the two ends of red copper strip (3) are fitted on the electrode body (1).
2. according to the described pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure of claim 1, it is characterized in that: the thickness of described silicon rubber piece (2) is 8~12mm.
3. according to the described pad silicon rubber 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 (3) is 0.2~0.3mm.
4. according to the described pad silicon rubber type electrode assembly that is used for projection welding positioning honeycomb structure of claim 1, it is characterized in that: the width of described red copper strip (3) is 11-15mm.
CN2010205370144U 2010-09-21 2010-09-21 Silicone rubber padding electrode device for projection welding and positioning honey comb structure Expired - Lifetime CN201799774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205370144U CN201799774U (en) 2010-09-21 2010-09-21 Silicone rubber padding electrode device for projection welding and positioning honey comb structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205370144U CN201799774U (en) 2010-09-21 2010-09-21 Silicone rubber padding electrode device for projection welding and positioning honey comb structure

Publications (1)

Publication Number Publication Date
CN201799774U true CN201799774U (en) 2011-04-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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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