CN206764403U - The special auxiliary machining clamp of airplane parts - Google Patents
The special auxiliary machining clamp of airplane parts Download PDFInfo
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- CN206764403U CN206764403U CN201720691104.0U CN201720691104U CN206764403U CN 206764403 U CN206764403 U CN 206764403U CN 201720691104 U CN201720691104 U CN 201720691104U CN 206764403 U CN206764403 U CN 206764403U
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- auxiliary clamp
- auxiliary
- clamp head
- groove
- annular groove
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Abstract
The special auxiliary machining clamp of airplane parts, belong to airplane parts Computerized Numerical Control processing technology field.The cylinder of auxiliary clamp is vertically arranged, the auxiliary clamp head upper surface middle part of auxiliary clamp is provided with venthole, the air flue communicated with venthole and auxiliary clamp head lateral surface is provided with auxiliary clamp head, it is vacuum pump interface on the outside of air flue, vacuum pump interface is connected by connecting tube with vavuum pump, the upper surface of auxiliary clamp head is provided with multigroup annular groove from the inside to the outside, positioned at outermost annular groove it is closure gasket groove in every group of annular groove, the upper surface of auxiliary clamp head is provided with an annular seal groove close to neighboring, annular seal groove or any one closure gasket groove are sealed by sealing joint strip, the outside that the upper surface of auxiliary clamp head is located at annular seal groove is provided with pressure relief opening, pressure relief opening is connected by air flue with venthole, pressure release screw is threadedly coupled with pressure relief opening, the upper surface of auxiliary clamp head is provided with multiple cruciform shape grooves.The clamping that the utility model is used to process aircraft thin-wall part is fixed.
Description
Technical field
A kind of airplane parts special fixture is the utility model is related to, belongs to airplane parts Computerized Numerical Control processing technology field.
Background technology
Airplane parts include many thin-wall parts, following problems be present when processing thin-wall part：
1st, because thin-wall part intensity is small, difficulty not only is brought to clamping, while returns processing and brings very big difficulty, especially
It is the thin-wall part that wall thickness is less than 2mm, it is difficult to ensure that processing dimension, often because after processing, wall thickness dimension is not in process
Phenomena such as uniformly or thickness is overproof causes scrapping for part.And the intensity of control and part of the aviation part for wall thickness
It is required that it is very strict, thus, add the scrappage of this kind of part.
2nd, limited by thin-wall part size, it is necessary to match different clamp for machining, add production cost.
The content of the invention
The purpose of this utility model is to provide a kind of special auxiliary machining clamp of airplane parts, and this auxiliary machining clamp can have
Effect solves the inaccurate problem of thin-wall part processing thickness of the wall thickness less than 2mm, and is applicable to the processing of different size thin-wall part
Clamping.
The utility model, which solves the above problems, to be adopted the technical scheme that：
The special auxiliary machining clamp of airplane parts, its composition include auxiliary clamp main body, vavuum pump, sealing joint strip, connection
Pipe and pressure release screw；Described auxiliary clamp main body is made up of cylinder and auxiliary clamp head, and described cylinder is vertically arranged,
With being connected to one in the middle part of auxiliary clamp head lower surface, the upper surface middle part of described auxiliary clamp head is set for cylinder upper end
There is vacuum line passage, be provided with auxiliary clamp head and communicated with described vacuum line passage and auxiliary clamp head lateral surface
Air flue, described air flue outer end connected by connecting tube with the air inlet of vavuum pump, the upper surface of auxiliary clamp head by it is inner extremely
It is externally provided with multigroup annular groove, every group of annular groove includes multiple annular grooves, is positioned at outermost annular groove in every group of annular groove
Closure gasket groove, the upper surface of auxiliary clamp head are provided with an annular seal groove close to neighboring, described annular seal groove or appoint
Closure gasket groove described in meaning one is sealed by sealing joint strip, and the upper surface of auxiliary clamp head is located at described annular seal groove
Outside is provided with pressure relief opening, and described pressure relief opening is connected by air flue with vacuum line passage, and pressure relief opening inwall is provided with internal thread,
Described pressure release screw is connected with pressure relief opening thread seal, and the upper surface of auxiliary clamp head is provided with multiple cruciform shape grooves,
Described multiple cruciform shape grooves communicate setting in intersection.
The utility model is relative to the beneficial effect of prior art：
1st, the utility model seals the annular seal groove of auxiliary machining clamp or corresponding closure gasket groove with sealing joint strip, from
And the gap of annular seal groove or corresponding closure gasket groove and thin-wall part contact surface to be processed is sealed up, utilize vacuum pumping negative pressure
0.1MPa fixes clamping thin-wall part to be processed, reaches and is less than 2mm thin-wall parts guarantee thickness public affairs with Digit Control Machine Tool processing planar thickness
Purpose poor and in uniform thickness.
2nd, the utility model can effectively solve the inaccurate problem of thin-wall part processing thickness of the wall thickness less than 2mm, it is ensured that
The stability of batch production, and Fast Installation can be realized on lathe, reduce the man-hour of early-stage preparations, so as to save life
Cost is produced, and can realize that plurality of specifications thin-wall part is installed on this fixture, reduces the usage quantity of fixture, versatility is good.
Brief description of the drawings
Fig. 1 is the top view of the special auxiliary machining clamp of airplane parts of the present utility model；
Fig. 2 is the axonometric drawing of the special auxiliary machining clamp of airplane parts of the present utility model；
Fig. 3 is the enlarged drawing of the auxiliary clamp main body in Fig. 1；
Fig. 4 is the enlarged drawing of the auxiliary clamp main body in Fig. 2；
Fig. 5 is partial enlarged drawing at Fig. 4 A.
The component names and label being related in above-mentioned figure are respectively：
Sealing joint strip 1, auxiliary clamp main body 2, cylinder 2-1, auxiliary clamp head 2-2, horizontal annular groove 2-3, vacuum
Pipeline passage 2-4, annular seal groove 2-5, cruciform shape groove 2-6, annular groove 2-7, valve 3, vavuum pump 4, pressing plate 5,
Elongated hole 5-1, lathe bed surface 6, bolt 7, connecting tube 8, pressure release screw 9.
Embodiment
Embodiment one：As Figure 1-Figure 5, present embodiment discloses a kind of special secondary process of airplane parts
Fixture, its composition include auxiliary clamp main body 2, vavuum pump 4, sealing joint strip 1, connecting tube 8 and pressure release screw 9；Described auxiliary
Jig main body 2 is made up of cylinder 2-1 and auxiliary clamp head 2-2, and described cylinder 2-1 is vertically arranged, cylinder 2-1 upper ends
With being connected to one in the middle part of auxiliary clamp head 2-2 lower surfaces, described auxiliary clamp head 2-2 upper surface middle part is provided with very
Be provided with blank pipe road passage 2-4, auxiliary clamp head 2-2 with outside described vacuum line passage 2-4 and auxiliary clamp head 2-2
The air flue that side communicates, described air flue outer end are connected by connecting tube 8 with the air inlet of vavuum pump 4, auxiliary clamp head 2-2's
Upper surface is provided with multigroup annular groove from the inside to the outside, and every group of annular groove includes multiple annular groove 2-7, be located at outermost in every group of annular groove
The annular groove 2-7 of side is closure gasket groove, and auxiliary clamp head 2-2 upper surface is provided with an annular seal groove 2-5 close to neighboring,
Described annular seal groove 2-5 or any one of closure gasket groove are sealed by sealing joint strip 1, auxiliary clamp head 2-2
Upper surface be located at described annular seal groove 2-5 outside and be provided with pressure relief opening, described pressure relief opening passes through air flue and vacuum tube
Road passage 2-4 is connected, and pressure relief opening inwall is provided with internal thread, and described pressure release screw 9 is connected with pressure relief opening thread seal, auxiliary
Clamp head 2-2 upper surface is provided with multiple cruciform shape groove 2-6, and described multiple cruciform shape groove 2-6 are intersecting
Place communicates setting；Pressure release screw ensures negative-pressure sealing with O-ring seal.
Embodiment two：As Figure 1-Figure 4, present embodiment be embodiment one is made it is further
Illustrate, described multigroup annular groove is arranged concentrically.
Embodiment three：As Figure 1-Figure 4, present embodiment is entering of being made to embodiment one or two
One step illustrates that the group number of described multigroup annular groove is 3-5 groups.
Embodiment four：As Figure 1-Figure 4, present embodiment be embodiment one is made it is further
Illustrate, described multiple cruciform shape groove 2-6 communicate setting with described multigroup annular groove.
Embodiment five：As shown in Figure 1 and Figure 2, present embodiment be embodiment one is made it is further
Illustrate, the special auxiliary machining clamp of described airplane parts also includes two pressing plates 5, on described cylinder 2-1 periphery
Provided with a horizontal annular groove 2-3, elongated hole 5-1, two pressing plates are provided with along respective length direction on described two pressing plates 5
The matching of 5 one end is arranged in cylinder 2-1 horizontal annular groove 2-3, and two other ends of pressing plate 5 are arranged on lathe bed surface 6,
A bolt 7, the screwed hole that the lower end of each bolt 7 and lathe bed surface 6 are provided with are penetrated in the elongated hole 5-1 of two pressing plates 5
Closely spin.
Fixture remains before use, needing to detect flatness and roughness, it is necessary to remove the processing such as deburring with oilstone, ensures flat
Face is smooth, and thin-wall part to be processed is placed in the auxiliary clamp head 2-2 of auxiliary clamp main body 2 upper surface, checks to be processed thin
Wall pieces be bonded with the auxiliary clamp head 2-2 of auxiliary clamp main body 2 upper surface it is whether in good condition, pass through clearance gauge and tap among
Part checks whether fitting good, such as good fit, can to connect vacuum pump interface 2-5 and vavuum pump 4 by connecting tube 8,
The entrance of vavuum pump 4 is provided with valve 3, for closing unlatching control pressure.The MPa of negative pressure 0.1 is taken out, again by clearance gauge and is struck
The mode hit detect thin-wall part to be processed be bonded with the auxiliary clamp head 2-2 of auxiliary clamp main body 2 upper surface it is whether good, such as
No problem can enter finishing to compress thin-wall part outer ledge to be processed using briquetting auxiliary, be detected at any time in process
Negative pressure pressure, ensure continuous negative pressure.After thin-wall part machines, vavuum pump 4 is closed, is arranged on by opening at pressure relief opening 2-6
Pressure release screw 9 lay down pressure, remove the thin-wall part processed.This auxiliary clamp can be by multigroup annular groove clamping size not
One thin-wall part, switching thin-wall part to be processed is realized by switching any one closure gasket groove or annular seal groove 2-5 positions
Size, and the air-tightness between closure gasket groove or annular seal groove 2-5 is increased by the oiling of sealing joint strip 1.
Certainly, it is to be also not limited to the example above to limitation of the present utility model, the utility model that described above, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in essential scope of the present utility model, also should
Belong to the scope of protection of the utility model.
Claims (5)
- A kind of 1. special auxiliary machining clamp of airplane parts, it is characterised in that：Its composition includes auxiliary clamp main body（2）, vacuum Pump（4）, sealing joint strip（1）, connecting tube（8）And pressure release screw（9）；Described auxiliary clamp main body（2）By cylinder（2-1）And Auxiliary clamp head（2-2）Composition, described cylinder（2-1）It is vertically arranged, cylinder（2-1）Upper end and auxiliary clamp head（2- 2）It is connected to one in the middle part of lower surface, described auxiliary clamp head（2-2）Upper surface middle part provided with vacuum line ventilate Hole（2-4）, auxiliary clamp head（2-2）It is interior to be provided with and described vacuum line passage（2-4）And auxiliary clamp head（2-2）Outside The air flue that face communicates, described air flue outer end pass through connecting tube（8）With vavuum pump（4）Air inlet connection, auxiliary clamp head（2- 2）Upper surface be provided with multigroup annular groove from the inside to the outside, every group of annular groove includes multiple annular grooves（2-7）, every group of annular groove middle position In outermost annular groove（2-7）It is closure gasket groove, auxiliary clamp head（2-2）Upper surface close to neighboring be provided with one annular Seal groove（2-5）, described annular seal groove（2-5）Or any one of closure gasket groove passes through sealing joint strip（1）It is close Envelope, auxiliary clamp head（2-2）Upper surface be located at described annular seal groove（2-5）Outside be provided with pressure relief opening, described lets out Pressure mouth passes through air flue and vacuum line passage（2-4）Connection, pressure relief opening inwall are provided with internal thread, described pressure release screw（9） It is connected with pressure relief opening thread seal, auxiliary clamp head（2-2）Upper surface be provided with multiple cruciform shape grooves（2-6）, it is described Multiple cruciform shape grooves（2-6）Setting is communicated in intersection.
- 2. the special auxiliary machining clamp of airplane parts according to claim 1, it is characterised in that：Described multigroup annular groove It is arranged concentrically.
- 3. the special auxiliary machining clamp of airplane parts according to claim 1 or 2, it is characterised in that：Described multigroup ring The group number of shape groove is 3-5 groups.
- 4. the special auxiliary machining clamp of airplane parts according to claim 1, it is characterised in that：Described multiple crosses are handed over Fork-shaped groove（2-6）Setting is communicated with described multigroup annular groove.
- 5. the special auxiliary machining clamp of airplane parts according to claim 1, it is characterised in that：Described airplane parts are special Also include two pressing plates with auxiliary machining clamp（5）, described cylinder（2-1）Periphery be provided with a horizontal annular groove （2-3）, described two pressing plates（5）On be provided with elongated hole along respective length direction（5-1）, two pressing plates（5）One end matches It is arranged on cylinder（2-1）Horizontal annular groove（2-3）It is interior, two pressing plates（5）The other end is arranged on lathe bed surface（6）On, Two pressing plates（5）Elongated hole（5-1）Inside penetrate a bolt（7）, each bolt（7）Lower end and lathe bed surface（6）On set Some screwed holes closely spin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691104.0U CN206764403U (en) | 2017-06-14 | 2017-06-14 | The special auxiliary machining clamp of airplane parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720691104.0U CN206764403U (en) | 2017-06-14 | 2017-06-14 | The special auxiliary machining clamp of airplane parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206764403U true CN206764403U (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720691104.0U Active CN206764403U (en) | 2017-06-14 | 2017-06-14 | The special auxiliary machining clamp of airplane parts |
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| CN (1) | CN206764403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385593A (en) * | 2019-08-07 | 2019-10-29 | 沈阳飞机工业（集团）有限公司 | Numerically-controlled machine tool module-type flexible vacuum fixture and its clamping method |
-
2017
- 2017-06-14 CN CN201720691104.0U patent/CN206764403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385593A (en) * | 2019-08-07 | 2019-10-29 | 沈阳飞机工业（集团）有限公司 | Numerically-controlled machine tool module-type flexible vacuum fixture and its clamping method |
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