CN218193791U

CN218193791U - Milling machine fixture for processing curved surface mould pressing piece

Info

Publication number: CN218193791U
Application number: CN202222009798.9U
Authority: CN
Inventors: 敖晓晖; 曾剑辉; 龚仲斌; 石鑫; 苏校峰
Original assignee: Nanchang Xinbaolu Aviation Technology Co ltd
Current assignee: Nanchang Xinbaolu Aviation Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-03
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to the field of aviation manufacturing machining, in particular to a milling machine fixture for machining curved surface molded parts, which comprises a base, a compression bolt, an upper fixture block and parts; a lower clamping block and a pressing block are arranged on the base, the lower clamping block, the pressing block and the base form a clamping groove, and a part is inserted into the clamping groove; a locking nut is arranged on the right side of the pressing block; the compression bolt is matched with the locking nut, penetrates through the locking nut and is rotationally connected with the compression block; the upper clamping block is positioned above the lower clamping block and the part, a processing groove is formed in the upper clamping block, the edge of the processing groove abuts against the stepped transition section of the part, and the base, the lower clamping block and the upper clamping block are connected through a bolt a and a positioning pin. When the milling tool fixture is used for machining a local cavity of a part, the milling tool fixture can accurately position and quickly clamp the part, and the requirement on the dimensional precision of the part to be machined is effectively met; the clamping device is simple in structure and convenient to clamp, simplifies the machining process, saves the machining cost of batch parts, and improves the qualified rate of the parts.

Description

Milling machine fixture for processing curved surface mould pressing piece

Technical Field

The utility model relates to an aeronautical manufacturing machinery processing field especially relates to a milling machine fixture of processing curved surface moulded piece.

Background

In the field of machining, molded parts are an important, special type of machining blanks. The mould pressing piece has high strength, can provide accurate and complex overall dimension, can reduce the machining allowance and improve the production efficiency. However, the parts are difficult to clamp due to the complex appearance, the numerous curved surfaces and the lack of reference planes. Such as a counterweight-like component with a curved profile in an aircraft structural member, etc. The appearance of the parts is mostly curved surface, and only one reference plane for opening the die is needed, so that the clamping is not good. In order to effectively solve the problems, a set of auxiliary tool fixture suitable for being used by a milling machine needs to be designed to ensure the dimensional precision requirement of the die pressing type parts and ensure the quality of the parts.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is to the problem that exists among the background art, provides a milling machine fixture of processing curved surface moulded piece that can pinpoint, quick clamping.

The technical scheme of the utility model: a milling machine fixture for processing a curved surface die-pressed part comprises a milling machine fixture for processing a curved surface die-pressed part, wherein the milling machine fixture comprises a base, a compression bolt, an upper fixture block and a part; a lower clamping block and a pressing block are arranged on the base, the lower clamping block, the pressing block and the base form a clamping groove, and a part is inserted into the clamping groove; a locking nut is arranged on the right side of the pressing block; the compression bolt is matched with the locking nut, penetrates through the locking nut and is rotationally connected with the compression block; the upper clamping block is positioned above the lower clamping block and the part, a processing groove is formed in the upper clamping block, the edge of the processing groove abuts against the stepped transition section of the part, and the base, the lower clamping block and the upper clamping block are connected through a bolt a and a positioning pin.

Preferably, the two sets of positioning pins are arranged diagonally, and the two sets of bolts a are arranged diagonally.

Preferably, the pressing block is matched with the shape of the part.

Preferably, the curved surface of the part is attached to the upper fixture block of the lower fixture block.

Preferably, the base and the locking nut are connected by a plurality of sets of bolts b.

Compared with the prior art, the utility model discloses following profitable technological effect has: when the milling tool fixture is used for machining a local cavity of a part, the milling tool fixture can be accurately positioned, quickly clamp the part and effectively ensure the requirement on the dimensional precision of the part to be machined; the clamping device is simple in structure and convenient to clamp, simplifies the machining process, saves the machining cost of batch parts, and improves the qualified rate of the parts.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural view of a part.

Reference numerals: 1. a base; 2. a lower clamping block; 3. an upper clamping block; 4. locking the nut; 5. a compression block; 6. a hold-down bolt; 7. a bolt a; 8. positioning pins; 9. a part; 10. and (b) a bolt.

Detailed Description

As shown in fig. 1-3, the milling machine fixture for processing curved surface molded parts provided by the present invention comprises a base 1, a hold-down bolt 6, an upper fixture block 3 and a part 9; the lower fixture block 2 and the pressing block 5 are arranged on the base 1, the lower fixture block 2, the pressing block 5 and the base 1 form a clamping groove, the part 9 is inserted into the clamping groove, the curved surface of the part 9 is attached to the lower fixture block 2 and the upper fixture block 3, and the pressing block 5 is matched with the part 9 in shape; a locking nut 4 is arranged on the right side of the pressing block 5, and the base 1 and the locking nut 4 are connected through a plurality of groups of bolts b 10; the compression bolt 6 is matched with the locking nut 4, and the compression bolt 6 penetrates through the locking nut 4 and is rotationally connected with the compression block 5; go up fixture block 3 and be located fixture block 2 and part 9 top down, go up and set up the processing groove on fixture block 3, the processing groove edge supports and leans on part 9 ladder changeover portion, and base 1, lower fixture block 2 and last fixture block 3 are connected through bolt a7 and locating pin 8, and two sets of locating pins 8 diagonal angle set up, and two sets of bolt a7 diagonal angle set up.

The working principle is as follows: base 1, fixture block 2 down, compact heap 5 constitutes the draw-in groove, part 9 inserts the draw-in groove, it is fixed with part 9 simultaneously to go up fixture block 3 lid on fixture block 2 down, two sets of bolt a7 and locating pin 8 are with base 1, fixture block 2 and last fixture block 3 link into an integrated entity and fix down, through clamp bolt 6, lock nut 4 drives compact heap 5 and makes fixture block 2 down, the curved surface appearance of going up fixture block 3 and part 9 agrees with mutually, locking, alright processing groove through seting up on last fixture block 3 is to the local die cavity milling process of part 9 excircle afterwards.

In the utility model, when the milling tool fixture is used for processing the local cavity of the part 9, the milling tool fixture can accurately position and quickly clamp the part, thereby effectively ensuring the requirement of the size precision of the part 9 to be processed; the clamping device is simple in structure and convenient to clamp, simplifies the machining process, saves the machining cost of batch parts, and improves the qualified rate of the parts.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A milling machine fixture for processing curved surface die-pressed parts is characterized by comprising a base (1), a compression bolt (6), an upper fixture block (3) and a part (9); a lower clamping block (2) and a pressing block (5) are arranged on the base (1), the lower clamping block (2), the pressing block (5) and the base (1) form a clamping groove, and a part (9) is inserted into the clamping groove; a locking nut (4) is arranged on the right side of the pressing block (5); the compression bolt (6) is matched with the locking nut (4), and the compression bolt (6) penetrates through the locking nut (4) and is rotatably connected with the compression block (5); go up fixture block (3) and be located fixture block (2) and part (9) top down, go up and set up the processing groove on fixture block (3), the processing groove edge supports and leans on part (9) ladder changeover portion, and base (1), fixture block (2) and last fixture block (3) are connected through bolt a (7) and locating pin (8) down.

2. The milling machine jig for processing curved surface moldings as claimed in claim 1, wherein two sets of positioning pins (8) are provided diagonally and two sets of bolts a (7) are provided diagonally.

3. A milling machine fixture for processing curved die presses according to claim 1, characterized in that the pressing block (5) is matched with the shape of the part (9).

4. A milling machine fixture for curved die stamping parts according to claim 1, wherein the curved surface of the part (9) is attached to the lower fixture block (2) and the upper fixture block (3).

5. A milling jig for curved die moldings as claimed in claim 1, wherein the base (1) and the lock nut (4) are connected by means of plural sets of bolts b (10).