CN208528420U - A kind of combustion box welding fixture - Google Patents
A kind of combustion box welding fixture Download PDFInfo
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- CN208528420U CN208528420U CN201821325339.9U CN201821325339U CN208528420U CN 208528420 U CN208528420 U CN 208528420U CN 201821325339 U CN201821325339 U CN 201821325339U CN 208528420 U CN208528420 U CN 208528420U
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- combustion box
- main body
- jig main
- welding fixture
- liftable support
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Abstract
The utility model discloses a kind of combustion box welding fixtures, including jig main body, it is circumferentially arranged on jig main body to have multiple liftable support rods, the lift side of liftable support rod stretches out in jig main body towards on the surface for installing side before combustion box, the top of liftable support rod is used to be engaged with the end face for installing side before combustion box, to limit to the end face for installing side before combustion box；When in use, adjust liftable support rod, guarantee that the upper surface of liftable support rod is generally aligned in the same plane, then combustion box is buckled in jig main body, the end face on side is installed before making combustion box and the upper surface of each liftable support rod is engaged, then it is welded again, support using liftable support rod to preceding installation side end face, it can be avoided the deformation of casing wall, the deformation of installation side in the welding process before inhibiting, guarantee that the end face on preceding installation side and inner hole bounce are met the requirements after welding, and without being corrected, shorten part process cycle.
Description
Technical field
The utility model relates to technical field of mechanical processing, in particular to a kind of combustion box welding fixture.
Background technique
The welding that side and casing wall are installed before combustion box is completed, and is after heat treatment required to meet certain size and is wanted
It asks, as shown in Figure 1, the face A and the face B on preceding installation side require circularity and flatness is 0.3mm, but heat treatment is returned after welding
The face part A and the face B at circularity and flatness be both greater than 1.2mm, commonly reach 1.5mm-2mm, as shown in Figures 2 and 3, figure
In 2 and Fig. 3, dotted line is the position for welding front housing wall and preceding installation side, and solid line is the position for welding rear housing wall and preceding installation side
It sets, this deformation will lead to preceding installation side end face and the bounce of inner hole is larger, it is therefore desirable to which pincers worker is corrected, correction time
Long, every batch of part needs to correct 3 days, and pincers worker corrects 2% that the time it takes has accounted for the entire production cycle, it is such non-plus
It causes the production cycle to extend between working hour, and seriously affects the delivery of product.
Therefore, how to improve combustion box welding fixture, the bounce in installation side end face and inner hole, shortens part before reducing
Process-cycle becomes those skilled in the art's important technological problems urgently to be resolved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of combustion box welding fixture, to reduce preceding installation
Part process cycle is shortened in the bounce in side end face and inner hole.
To achieve the above object, the utility model provides the following technical solutions:
A kind of combustion box welding fixture, including jig main body, on the jig main body it is circumferentially arranged have it is multiple can
Lift supporting rod, the lift side of each liftable support rod stretch out in the jig main body towards installing before combustion box
On the surface on side, the top of each liftable support rod, which is used to contact with the end face for installing side before the combustion box, matches
It closes, to be limited to the end face for installing side before the combustion box.
Preferably, the liftable support rod includes screw rod and lifting nut, and the screw rod is vertically installed in the folder
Have and cooperates in main body towards the surface on installation side before combustion box, the lifting nut and the screw flight.
Preferably, the screw rod is threadedly engaged with the jig main body.
Preferably, the liftable support rod further includes locking nut, and the locking nut and the screw flight cooperate,
The locking nut is used to be locked in the screw rod in the lifting nut, or in place afterwards will be described for adjusting in the screw rod
Screw lock is in the jig main body.
Preferably, elastic rubber pad is provided on surface of the lifting nut far from the jig main body.
Preferably, the jig main body includes:
It is used to support the support base of combustion box, including support plate and the positioning being axially arranged along the support plate
Bar；
At least two limiting sections above the support plate, each limit are axially set in turn in along the locating rod
Portion is used to be engaged with the inner circumferential wall of the combustion box；
The lift side of the liftable support rod extend out to the top of the limiting section positioned at the top, the liftable support
The operating side of bar passes through the lower section that each limiting section is located at the limiting section of bottom.
Preferably, the jig main body further includes being slideably positioned in the gland of the locating rod and being used for the gland
It is lock onto the fastener of the locating rod, is formed with step surface on the gland, before the step surface and the combustion box
The combustion box is pressed in the support plate by the top surface cooperation on installation side, is connected on the gland with the step surface
Path outer peripheral surface and the inner wall of the combustion box be engaged.
Preferably, gas vent is provided on the gland.
Preferably, main air intake is provided in the axial direction in the locating rod, one end of the main air intake is in the positioning
The top or bottom of bar are formed with entrance, and the other end of the main air intake is circumferentially opened in the locating rod with multiple
Air distribution hole connection；Multiple secondary air intake ducts are circumferentially offered at least one described limiting section, described pair air intake duct one end is in institute
It states and forms outlet on the surface that limiting section is contacted with the combustion box, the other end of the pair air intake duct passes through pipeline and institute
State air distribution hole connection.
Preferably, the limiting section includes intermediate mounting portion and multiple work for being circumferentially arranged around the intermediate mounting portion
Dynamic portion, the limiting section is by the cooperation of the movable part and the intermediate mounting portion with radially contracted or expansion.
To achieve the above object, combustion box welding fixture provided by the utility model, including jig main body, fixture master
Circumferentially arranged on body to have multiple liftable support rods, the lift side of each liftable support rod stretches out in jig main body towards combustion
On the surface for installing side before burning room casing, the top of each liftable support rod is used for the end face with installation side before combustion box
It is engaged, to be limited to the end face for installing side before combustion box；When in use, liftable support rod is adjusted, is guaranteed
The upper surface of liftable support rod is in the same plane, and then combustion box is buckled on jig main body, makes combustion chamber machine
The end face on side is installed before casket and the upper surface of each liftable support rod is engaged, is then welded again, using it is above-mentioned can
Support of the lift supporting rod to preceding installation side end face, can be avoided the deformation of casing wall, and install side in welding process before inhibiting
In deformation, guarantee that the end face on preceding installation side and inner hole bounce are met the requirements after welding, without being corrected, shorten part
Process-cycle.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is combustion box structural schematic diagram；
Fig. 2 is a kind of structural schematic diagram of deformation in combustion box welding front and back；
Fig. 3 is the structural schematic diagram of another deformation in combustion box welding front and back；
Fig. 4 is the structural schematic diagram of combustion box welding fixture provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the gland of combustion box welding fixture provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of the locating rod of combustion box welding fixture provided by the embodiment of the utility model；
Fig. 7 is the main view of the limiting section of combustion box welding fixture provided by the embodiment of the utility model；
Fig. 8 is the top view of the limiting section of combustion box welding fixture provided by the embodiment of the utility model.
Wherein:
01 is casing wall；02 is preceding installation side；
10 be liftable support rod；110 be screw rod；120 be lifting nut；20 be support plate；30 be locating rod；301 are
Main air intake；302 be air distribution hole；40 be limiting section；410 be intermediate mounting portion；420 be movable part；401 be secondary air intake duct；50
For pipeline；60 be gland；601 be step surface；602 be path outer peripheral surface；70 be gas vent；80 be pressing device.
Specific embodiment
The purpose of this utility model is to provide a kind of combustion box welding fixture, the combustion box welding fixture
The bounce in installation side end face and inner hole, shortens part process cycle before structure design can be reduced.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of combustion box welding fixture provided by the embodiment of the utility model
A kind of combustion box welding fixture provided by the embodiment of the utility model, including jig main body and multiple rise
Descending branch strut 10.
Wherein, multiple liftable support rods 10 are circumferentially arranged on jig main body, the liter of each liftable support rod 10
Drop end stretches out in jig main body towards on the surface on installation side 02, the top of each liftable support rod 10 is used before combustion box
It is engaged in the end face for installing side 02 before combustion box, to limit the end face for installing side 02 before combustion box
Position.
Compared with prior art, combustion box welding fixture provided by the utility model adjusts liftable when in use
Support rod 10 guarantees that the upper surface of liftable support rod 10 is in the same plane, combustion box is then buckled in fixture master
On body, the end face on side 02 is installed before making combustion box and the upper surface of each liftable support rod 10 is engaged, then again
It is welded, the support using above-mentioned liftable support rod 10 to preceding installation 02 end face of side can be avoided the deformation of casing wall 01,
And the deformation of installation side 02 in the welding process before inhibiting, the end face on preceding installation side 02 and inner hole bounce, which meet, after guarantee welding wants
It asks, without being corrected, shortens part process cycle.
Preferably, as shown in figure 4, liftable support rod 10 includes screw rod 110 and lifting nut 120, screw rod 110
It is vertically installed in towards the surface on installation side 02 before combustion box on jig main body, lifting nut 120 is matched with 110 screw thread of screw rod
It closes, when in use, rotates lifting nut 120, by the straight line elevating movement of lifting nut 120 being converted into along screw rod 110,
To realize the lift adjustment of liftable support rod 10.
Liftable support rod 10 is realized it is understood that can also be threadedly engaged by screw rod 110 and jig main body
Lift adjustment, screw rod 110 can be converted into straight line elevating movement of the screw rod 110 along own axes relative to the rotation of jig main body,
Under such configuration, the end of screw rod 110 can be threaded connection with lifting nut 120, also can be set in immovable nut.
Above-mentioned technical proposal is advanced optimized, in the utility model embodiment, liftable support rod 10 further includes locking
Nut, locking nut are threadedly engaged with screw rod 110, and locking nut is used to be locked in screw rod 110 in lifting nut 120, or is used for
Screw rod 110 is locked in jig main body afterwards in place in the adjusting of screw rod 110.
It is understood that if lifting nut 120 is directly easy to form scratch in piece surface with feature contacts, to avoid
This problem, in the utility model embodiment, lifting nut 120 is far from being provided with elastic rubber pad on the surface of jig main body.
Preferably, in the utility model embodiment, as shown in figure 4, jig main body includes support base and limit
Portion 40, wherein support base is used to support combustion box, and support base includes support plate 20 and is axially arranged along support plate 20
Locating rod 30, limiting section 40 have at least two, and each limiting section 40 is axially set in turn in support plate 20 along locating rod 30
Side, each limiting section 40 are used to be engaged with the inner circumferential wall of combustion box；For convenient for being lowered in the case where clamping parts
Whole liftable support rod 10, the lift side of liftable support rod 10 extend out to the top of the limiting section 40 positioned at the top, can rise
The operating side of descending branch strut 10 passes through the lower section that each limiting section 40 is located at the limiting section 40 of bottom, in this way, can grasp from bottom
Vertical liftable support rod 10 is adjusted, and facilitates operation.
As shown in figure 4, support plate 20 is additionally provided with pressing device 80, pressing device 80 includes U-shaped compressing member and compression
Bolt, the groove with the cooperation of 20 end of support plate is provided on U-shaped compressing member, and U-shaped compressing member a side is located in support plate 20
Side is threadedly engaged for compressing the rear installation side of combustion box, another side and the hold-down bolt of U-shaped compressing member, hold-down bolt
Support plate 20 is connected to across the another side of U-shaped compressing member.
Above-mentioned technical proposal is advanced optimized, as shown in Figure 4 and Figure 5, jig main body further includes being slideably positioned in locating rod
30 gland 60 and fastener for gland 60 to be lock onto locating rod 30 are formed with step surface 601, step on gland 60
Combustion box is pressed in support plate 20 by the top surface cooperation that side 02 is installed before face 601 and combustion box, on gland 60 with
The path outer peripheral surface 602 and the inner wall of combustion box that step surface 601 connects are engaged.
Due to that in the welding process, inert gas must be provided in welding position and continue to protect, to avoid combustion chamber machine
Gas in casket can not be discharged in time, cause air pressure inside excessive and cause security risk, in the utility model embodiment, pressure
Gas vent 70 is provided on lid 60.
In the utility model embodiment, as shown in fig. 6, be provided in the axial direction with main air intake 301 in locating rod 30, it is main into
One end of air flue 301 is formed with entrance at the top of locating rod 30 or bottom, the other end of main air intake 301 and it is multiple circumferentially
The air distribution hole 302 being opened in locating rod 30 is connected to；Multiple secondary air intake ducts are circumferentially offered at least one limiting section 40
401, secondary 401 one end of air intake duct forms outlet on the surface that limiting section 40 is contacted with combustion box, secondary air intake duct 401 it is another
One end is connected to by pipeline with air distribution hole 302.
Above-mentioned technical proposal is advanced optimized, as shown in Figure 7 and Figure 8, in the utility model embodiment, limiting section 40 is wrapped
The multiple movable parts 420 for including intermediate mounting portion 410 and being circumferentially arranged around intermediate mounting portion 410, limiting section 40 pass through activity
The cooperation of portion 420 and intermediate mounting portion 410 is with radially contracted or expansion.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of combustion box welding fixture, which is characterized in that circumferentially arranged on the jig main body including jig main body
There are multiple liftable support rods, the lift side of each liftable support rod stretches out in the jig main body towards combustion chamber machine
On the surface for installing side before casket, the top of each liftable support rod is used for the end with installation side before the combustion box
Face contact cooperation, to be limited to the end face for installing side before the combustion box.
2. combustion box welding fixture according to claim 1, which is characterized in that the liftable support rod includes spiral shell
Bar and lifting nut, the screw rod are vertically installed on the jig main body towards the surface on installation side before combustion box,
The lifting nut and the screw flight cooperate.
3. combustion box welding fixture according to claim 2, which is characterized in that the screw rod and the jig main body
It is threadedly engaged.
4. combustion box welding fixture according to claim 3, which is characterized in that the liftable support rod further includes
Locking nut, the locking nut and the screw flight cooperate, and the locking nut in the lifting nut for being locked in
The screw rod, or for adjusting in the screw rod in place afterwards by the screw lock in the jig main body.
5. according to combustion box welding fixture described in claim 2-4 any one, which is characterized in that the lifting nut
Elastic rubber pad is provided on surface far from the jig main body.
6. combustion box welding fixture according to any one of claims 1-4, which is characterized in that the jig main body
Include:
It is used to support the support base of combustion box, including support plate and the locating rod being axially arranged along the support plate；
At least two limiting sections above the support plate are axially set in turn in along the locating rod, each limiting section is used
It is engaged in the inner circumferential wall with the combustion box；
The lift side of the liftable support rod extend out to the top of the limiting section positioned at the top, the liftable support rod
Operating side passes through the lower section that each limiting section is located at the limiting section of bottom.
7. combustion box welding fixture according to claim 6, which is characterized in that the jig main body further includes sliding
It is set to the gland of the locating rod and the fastener for the gland to be lock onto the locating rod, shape on the gland
At there is step surface, the step surface cooperates with the top surface for installing side before the combustion box is pressed on the combustion box
In the support plate, the path outer peripheral surface and the inner wall of the combustion box to connect on the gland with the step surface is connect
Touching cooperation.
8. combustion box welding fixture according to claim 7, which is characterized in that be provided with exhaust on the gland
Hole.
9. combustion box welding fixture according to claim 6, which is characterized in that opened up in the locating rod along axial direction
There is main air intake, one end of the main air intake is formed with entrance, the main air intake at the top of the locating rod or bottom
The other end be connected to multiple air distribution holes being circumferentially opened in the locating rod；On at least one described limiting section circumferentially
Offer multiple secondary air intake ducts, pair air intake duct one end shape on the surface that the limiting section is contacted with the combustion box
At outlet, the other end of the pair air intake duct is connected to by pipeline with the air distribution hole.
10. combustion box welding fixture according to claim 6, which is characterized in that the limiting section includes intermediate peace
Dress portion and the multiple movable parts being circumferentially arranged around the intermediate mounting portion, the limiting section by the movable part with it is described
The cooperation of intermediate mounting portion is with radially contracted or expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325339.9U CN208528420U (en) | 2018-08-16 | 2018-08-16 | A kind of combustion box welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325339.9U CN208528420U (en) | 2018-08-16 | 2018-08-16 | A kind of combustion box welding fixture |
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| Publication Number | Publication Date |
|---|---|
| CN208528420U true CN208528420U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325339.9U Active CN208528420U (en) | 2018-08-16 | 2018-08-16 | A kind of combustion box welding fixture |
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| CN (1) | CN208528420U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757023A (en) * | 2019-10-28 | 2020-02-07 | 中国航发南方工业有限公司 | Welding repair method and device for cartridge receiver parts |
| CN110893589A (en) * | 2019-11-27 | 2020-03-20 | 中国航发沈阳黎明航空发动机有限责任公司 | Sealing clamp for complex-structure casing parts |
| CN115945927A (en) * | 2022-04-08 | 2023-04-11 | 清华大学 | Floating support-based combustion chamber casing machining clamp and clamping method |
-
2018
- 2018-08-16 CN CN201821325339.9U patent/CN208528420U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757023A (en) * | 2019-10-28 | 2020-02-07 | 中国航发南方工业有限公司 | Welding repair method and device for cartridge receiver parts |
| CN110893589A (en) * | 2019-11-27 | 2020-03-20 | 中国航发沈阳黎明航空发动机有限责任公司 | Sealing clamp for complex-structure casing parts |
| CN115945927A (en) * | 2022-04-08 | 2023-04-11 | 清华大学 | Floating support-based combustion chamber casing machining clamp and clamping method |
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