Clamp for aviation thin-wall type machining

Abstract

The utility model relates to the technical field of auxiliary tools, in particular to an aviation thin-wall type machining clamp which comprises a dovetail clamp, an adapter clamp and a workpiece, a mounting plate is fixedly arranged on one side of the dovetail clamp, a plurality of first mounting holes are formed in the mounting plate, and the adapter clamp is detachably connected to the side, away from the mounting plate, of the dovetail clamp. According to the clamp, the number of workpiece machining procedures is reduced, the size is stable, the machining area is increased, the machining time is greatly shortened, all features can be machined, and the workpiece can be taken down conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary tool technical field especially, relates to a kind of clamps for aviation thin-walled machining. BACKGROUND

[0002] At present, aviation thin-walled machining parts, in the production process, first, the workpiece needs to be milled and clamped;Then, the front features and the next sequence positioning and screw hole are processed;Finally, the back features are processed, among them, there is still a locking screw step in the middle.Not only more processes and profile degree are unstable, seriously reduce the efficiency and quality of workpiece processing. SUMMARY

[0003] Therefore, the utility model aims at providing a kind of clamp for aviation thin-walled machining to solve the problems in the above background.

[0004] Based on the above purpose, the utility model provides a kind of clamp for aviation thin-walled machining, comprising:

[0005] Dovetail clamp, one side is fixed with mounting plate, the mounting plate is equipped with a plurality of first installation hole;

[0006] Adapter clamp, detachably connected and arranged at the side of the dovetail clamp away from the mounting plate;

[0007] Workpiece, detachably connected and arranged at the side of the adapter clamp away from the dovetail clamp.

[0008] Preferably, the side of the dovetail clamp away from the mounting plate is equipped with dovetail sliding groove, the side of the adapter clamp close to the dovetail clamp is fixed with dovetail sliding rail, the dovetail sliding rail is inserted in the dovetail sliding groove, and the side of the dovetail clamp is detachably connected with a plurality of locking members for fastening adapter clamp.

[0009] Preferably, the locking member comprises:

[0010] Mounting groove, arranged at the side of the dovetail clamp, one end of the mounting groove is close to the mounting plate, and the other end penetrates the side of the dovetail clamp close to the adapter clamp;

[0011] Second installation hole, one end is arranged in the mounting groove, and the other end penetrates the dovetail clamp;

[0012] Locking block, arranged in the mounting groove, the locking block is equipped with third installation hole matched with the second installation hole, and the second installation hole and the third installation hole are connected by bolt, so that the locking block is fixed in the mounting groove, and the adapter clamp is tightly pressed on the dovetail clamp.

[0013] Preferably, the adapter clamp is provided with a plurality of fourth mounting holes penetrating through the other side near the side of the workpiece, the workpiece is provided with a plurality of threaded holes matched with the fourth mounting holes near the side of the adapter clamp, and the fourth mounting holes and the threaded holes are connected by screws.

[0014] Preferably, the workpiece is provided with at least two first positioning pin holes near the side of the adapter clamp, and the adapter clamp is provided with second positioning pin holes corresponding to the first positioning pin holes.

[0015] Preferably, the dovetail clamp is provided with a right-angled recess at one end away from the mounting plate, and a fifth mounting hole is arranged on a straight side of the right-angled recess.

[0016] The utility model discloses the beneficial effect: process reduction, size stability, improve the processing area, processing time greatly reduces, and can process all characteristics, convenient to take down workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawing needed to be used in the embodiment or the prior art description, and obviously, the drawing in the following description is only the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the structural schematic diagram of the embodiment of the utility model as a whole;

[0019] Figure 2 It is the three-dimensional structural schematic diagram of the dovetail clamp of the embodiment of the utility model;

[0020] Figure 3 It is the overhead structural schematic diagram of the dovetail clamp of the embodiment of the utility model;

[0021] Figure 4 It is the three-dimensional structural schematic diagram of the adapter clamp of the embodiment of the utility model;

[0022] Figure 5 It is the three-dimensional structural schematic diagram of the workpiece of the embodiment of the utility model.

[0023] Marked in the drawing as:

[0024] 1, dovetail clamp;2, mounting plate;3, first mounting hole;4, adapter clamp;5, workpiece;6, dovetail sliding groove;7, dovetail sliding rail;8, mounting groove;9, second mounting hole;10, locking block;11, third mounting hole;12, fourth mounting hole;13, threaded hole;14, first positioning pin hole;15, second positioning pin hole;16, right-angled recess;17, fifth mounting hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further detailed in combination with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] As shown in Figures 1 to 5 An aeronautical thin-walled machining clamp, comprising:

[0028] The dovetail clamp 1 is fixedly provided with a mounting plate 2 on one side, and a plurality of first mounting holes 3 are arranged on the mounting plate 2;

[0029] The adapter clamp 4 is detachably connected to the side of the dovetail clamp 1 away from the mounting plate 2;

[0030] The workpiece 5 is detachably connected to the side of the adapter clamp 4 away from the dovetail clamp 1.

[0031] As an optional embodiment, the side of the dovetail clamp 1 away from the mounting plate 2 is provided with a dovetail sliding groove 6, the side of the adapter clamp 4 close to the dovetail clamp 1 is fixedly provided with a dovetail sliding rail 7, the dovetail sliding rail 7 is inserted into the dovetail sliding groove 6, and a plurality of locking members for fastening the adapter clamp 4 are detachably connected to the side of the dovetail clamp 1.

[0032] As an optional embodiment, the locking member comprises:

[0033] The mounting groove 8 is arranged on one side of the dovetail clamp 1, one end of the mounting groove 8 is arranged close to the mounting plate 2, and the other end penetrates through the side of the dovetail clamp 1 close to the adapter clamp 4;

[0034] The second mounting hole 9 is arranged at one end inside the mounting groove 8, and the other end penetrates through the dovetail clamp 1;

[0035] Locking block 10, provided in the installation groove 8, the third mounting hole 11 is equipped with the second mounting hole 9 adaptation, and the second mounting hole 9 and the third mounting hole 11 are connected by bolt, so that the locking block 10 is fixed in the installation groove 8, and the adapter clamp 4 is tightly pressed on the dovetail clamp 1.

[0036] As an optional embodiment, the adapter clamp 4 is provided with a plurality of fourth mounting holes 12 penetrating the other side near the side of the workpiece 5, the workpiece 5 is provided with a plurality of threaded holes 13 adapted to the fourth mounting hole 12 near the side of the adapter clamp 4, and the fourth mounting hole 12 and the threaded hole 13 are connected by screw.

[0037] As an optional embodiment, the workpiece 5 is provided with at least two first positioning pin holes 14 near the side of the adapter clamp 4, and the adapter clamp 4 is provided with a second positioning pin hole 15 corresponding to the first positioning pin hole 14.

[0038] As an optional embodiment, the dovetail clamp 1 is provided with a right angle groove 16 at one end away from the mounting plate 2, and a fifth mounting hole 17 is provided on a straight side of the right angle groove 16.

[0039] With the aid of the clamp, the thin-walled machining workpiece 5 in the production process only needs to process the drilling and tapping fixing hole first, and then process all the features, leaving a little connection between the workpiece 5 and the remaining blank, and finally the workpiece 5 can be taken down gently; the process is reduced, the size is stable, because the machining area is relatively open, the machining time is saved by 50%; in the case of little excess material, the adapter clamp 4 is fixed to the dovetail clamp 1, which is stable and size stable.

[0040] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary, and is not intended to imply that the scope of the present application is limited to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in detail. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fixture for machining thin-walled aerospace components, characterized in that, The utility model relates to a kind of workpiece clamping device, including: Dovetail clamp (1), one side is fixed with mounting plate (2), the mounting plate (2) is equipped with multiple first installation hole (3); Adapter clamp (4) is detachably connected and is arranged at the side of the dovetail clamp (1) away from mounting plate (2); Workpiece (5) is detachably connected and is arranged at the side of the adapter clamp (4) away from dovetail clamp (1).

2. The jig for machining thin-walled aircraft parts according to claim 1, wherein The side of the dovetail clamp (1) away from the mounting plate (2) is equipped with dovetail slide groove (6), the side of the adapter clamp (4) close to dovetail clamp (1) is fixed with dovetail slide rail (7), the dovetail slide rail (7) is inserted in the dovetail slide groove (6), and the side of the dovetail clamp (1) is detachably connected with multiple locking members for fastening adapter clamp (4).

3. The jig for machining thin-walled aircraft parts according to claim 2, wherein The locking member includes: Mounting groove (8) is arranged at the side of the dovetail clamp (1), one end of the mounting groove (8) is arranged close to the mounting plate (2), and the other end penetrates the side of the dovetail clamp (1) close to the adapter clamp (4); Second installation hole (9) is arranged in the mounting groove (8), and the other end penetrates the dovetail clamp (1); Locking block (10) is arranged in the mounting groove (8), the locking block (10) is equipped with third installation hole (11) matched with the second installation hole (9), and the second installation hole (9) and the third installation hole (11) are connected by bolt, so that the locking block (10) is fixed in the mounting groove (8), and the adapter clamp (4) is tightly pressed on the dovetail clamp (1).

4. The fixture according to claim 1, wherein The side of the adapter clamp (4) close to the workpiece (5) is equipped with multiple fourth installation holes (12) penetrating the other side, and the side of the workpiece (5) close to the adapter clamp (4) is equipped with multiple threaded holes (13) matched with the fourth installation holes (12), and the fourth installation holes (12) and the threaded holes (13) are connected by screw.

5. The fixture according to claim 1, wherein The side of the workpiece (5) close to the adapter clamp (4) is equipped with at least two first positioning pin holes (14), and the adapter clamp (4) is equipped with second positioning pin holes (15) corresponding to the first positioning pin holes (14).

6. The fixture of claim 1 wherein, One end of the side of the dovetail clamp (1) away from the mounting plate (2) is equipped with right-angle recess (16), and the straight edge of the right-angle recess (16) is equipped with fifth installation hole (17).

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