CN218397055U

CN218397055U - Flexible fixture of milling machine for forging type thin-wall parts

Info

Publication number: CN218397055U
Application number: CN202222689103.6U
Authority: CN
Inventors: 徐航; 郑伟; 周金磊; 刘腾飞
Original assignee: Shenyang Aircraft Industry Group Co Ltd
Current assignee: Shenyang Aircraft Industry Group Co Ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-31
Anticipated expiration: 2032-10-12

Abstract

The utility model belongs to the technical field of forging class thin wall part mills worker, a forge class thin wall part milling machine flexible fixture is related to. The utility model discloses a quick accurate location thinking, with the help of dedicated milling machine fixture attachment, quick accurate location need not the alignment installation, and even packing force connects sword trace phenomenon and deformation problem when having improved processing thin wall part by a wide margin has promoted processingquality, has improved machining efficiency. By adopting the clamp, the two sides of the same part can be machined at the same time, the turnover frequency is reduced, and the working efficiency is improved. The utility model discloses not only be suitable for this parts machining, be applicable to the part of the equal circular arc in both ends simultaneously, realized a special multipurpose, reduced product manufacturing cost.

Description

Flexible fixture of milling machine for forging type thin-wall parts

Technical Field

The utility model belongs to the technical field of forging class thin wall part mills worker, a forge class thin wall part milling machine flexible fixture is related to.

Background

The current aircraft design needs to be subjected to weight reduction design, and the design wall thickness of a certain titanium alloy part is only 2mm. A certain titanium alloy part is always in a working environment with high vibration frequency and high load and is used for carrying a finished actuator cylinder, so the overall dimensional precision of the part directly influences the product performance, and in the conventional machining, machining defects such as uneven wall thickness, poor hole position, poor surface roughness and the like often occur.

The traditional milling and clamping method for the thin-wall parts such as the forgings comprises the following steps: and positioning and aligning by using the V-shaped block, pressing one side of the scribing line, milling the other side of the scribing line according to the scribing size, pressing the other side of the scribing line, and milling the other side of the scribing line according to the scribing size. Milling is carried out according to the clamping mode, vibration is easy to generate due to uneven stress on two sides, milling amount is uneven, deformation is easy to occur, machining accuracy is difficult to guarantee, side changing and pressing are carried out, tool catching marks are easy to occur, and surface roughness of products is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a forging class thin wall part milling machine fixture, this anchor clamps have improved conventional clamping mode in the past, provide a simple efficient positioning method, play quick accurate location, simple easy operation promotes machining efficiency's effect.

The technical scheme of the utility model is that:

the utility model provides a forge type thin wall part milling machine flexible fixture, includes: the positioning device comprises a bottom plate 1, a holed V-shaped block 2, an inner hexagon bolt 3, a cylindrical pin 4, a hexagon bolt 5, a hexagon nut 6, a pressure plate 7, a headless bolt 8, a stud 9, a holed V-shaped block 10, a part bottom plate 11, a holed positioning pin 12 and a positioning pin 13.

The bottom plate 1 is arranged on the processing platform to provide a stable base for part processing.

The V-shaped block 2 with holes and the V-shaped block 10 without holes are arranged on the right side of the bottom plate 1, the V-shaped block 10 without holes is arranged in a corresponding track groove of the bottom plate 1 and is matched with the V-shaped block 2 with holes to provide positioning and pressing force for the processed part; the V-shaped block 2 with the hole is fixed on the bottom plate 1 through the inner hexagon bolt 3 and the cylindrical pin 4; the stud bolts 9 are coupled to the cylinder assembly and the holeless V-block 10 is free to move in the track grooves of the base plate 1.

The part bottom plate 11 and the pressing plate 7 are arranged on the left side of the bottom plate 1; the positioning pin 12 with the hole and the positioning pin 13 fix the part bottom plate 11 on the bottom plate 1 and provide stable positioning for the processed part; the hexagon bolt 5 and the headless bolt 8 respectively penetrate through the pressing plate 7 and are fixed on the bottom plate 1, and the hexagon nut 6 is installed on the headless bolt 8 and provides pressing force for the pressing plate 7.

Furthermore, three groups of pressing plates 7, hexagon bolts 5, headless bolts 8 and hexagon nuts 6 are arranged to provide pressing force for the processed parts.

Further, the clamp clamps and fixes a single forging type thin-wall part on one side or clamps and fixes two forging type thin-wall parts simultaneously.

The utility model discloses the advantage:

(1) The utility model discloses a quick accurate location thinking, with the help of dedicated milling machine fixture attachment, simple structure, easy operation, the use of this anchor clamps has replaced traditional marking off alignment, methods such as clamping many times, and quick accurate location need not the alignment installation, and even packing force has increased substantially the cutter mark phenomenon and the deformation problem that connect when processing thin wall part, has promoted processingquality, has improved machining efficiency.

(2) By adopting the clamp, the two sides of the same part can be machined at the same time, the turnover frequency is reduced, and the working efficiency is improved.

(3) The utility model discloses not only be suitable for this parts machining, be applicable to the part of the equal circular arc in both ends simultaneously, realized a special multipurpose, reduced product manufacturing cost.

Drawings

Figure 1 is the utility model discloses forge type thin wall part milling machine flexible fixture axonometric drawing.

Fig. 2 (a) is the left side plan view of the flexible fixture of the milling machine for forging thin-wall parts of the present invention, and fig. 2 (b) is the right side plan view.

In the figure: 1, a bottom plate; 2 a V-shaped block with holes; 3, a hexagon socket head cap screw; 4, cylindrical pins; 5, a hexagon bolt; 6, a hexagonal nut; 7, pressing a plate; 8, a headless bolt; 9 stud bolts; 10 holeless V-shaped blocks; 11 a component base plate; 12 a locating pin with a hole; 13 positioning pins.

Detailed Description

The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings and technical solutions.

A flexible fixture of a milling machine for forging thin-wall parts is shown in the figure, and the specific implementation and operation steps are as follows:

(1) The bottom plate 1 is placed on a processing platform, the bottom plate 1 is guaranteed to be in a horizontal position, and the V-shaped block 2 with the holes is fixed on the bottom plate 1 through the two hexagon socket head bolts 3 and the two cylindrical pins 4.

(2) The holeless V-block 10 is mounted in the rail groove of the base plate 1, and the holeless V-block 10 is coupled to the cylinder assembly using the stud bolts 9.

(3) The component base plate 11 is fixed to the base plate 1 by a positioning pin 12 with a hole and a positioning pin 13.

(4) The hexagonal bolts 5 and the hexagonal nuts 6 are installed on the three groups of pressing plates 7, and then the three groups of pressing plates 7 are installed on the bottom plate 1 through the headless bolts 8.

(5) The rough parts are arranged between the holey V-shaped block 2 and the holeless V-shaped block 10, and the holeless V-shaped block 10 is used for quickly positioning the rough parts and applying pressing force by using pneumatic power.

(6) And (3) aligning two smooth surface holes of the rough part with the processed back surface with a positioning pin 12 with a hole and a positioning pin 13 on the part bottom plate 11 to finish the installation of the part.

(7) And adjusting the hexagon bolts 5 and the hexagon nuts 6 to enable the pressing plate 7 to tightly press the part.

(8) After the machining is finished, the hexagonal nut 6 is unscrewed, the pressing force of the imperforate V-shaped block 10 is relieved through pneumatics, and the two parts are taken out to finish the machining.

(9) And (5), repeating the steps (5), (6), (7) and (8) when the next product is re-processed.

(10) After all products are processed, the stud bolts 9 are disconnected from the air cylinder assembly, and the milling machine fixture is directly stored in a warehouse for oil seal storage.

Claims

1. The utility model provides a forge type thin wall part milling machine flexible fixture which characterized in that: the device comprises a bottom plate (1), a V-shaped block (2) with holes, an inner hexagon bolt (3), a cylindrical pin (4), a hexagon bolt (5), a hexagon nut (6), a pressure plate (7), a headless bolt (8), a stud bolt (9), a V-shaped block (10) without holes, a part bottom plate (11), a positioning pin (12) with holes and a positioning pin (13);

the bottom plate (1) is arranged on the processing platform to provide a stable base for part processing;

the V-shaped block (2) with the holes and the V-shaped block (10) without the holes are arranged on the right side of the bottom plate (1); the imperforate V-shaped block (10) is arranged in a corresponding track groove of the bottom plate (1) and is matched with the perforate V-shaped block (2) to provide positioning and pressing force for the processed part; the stud (9) is connected with the cylinder component, and the imperforate V-shaped block (10) freely moves in the track groove of the bottom plate (1); the V-shaped block (2) with the hole is fixed on the bottom plate (1) through the inner hexagon bolt (3) and the cylindrical pin (4);

the part bottom plate (11) and the pressing plate (7) are arranged on the left side of the bottom plate (1); the positioning pin (12) with the hole and the positioning pin (13) fix the part bottom plate (11) on the bottom plate (1) to provide stable positioning for the processed part; the hexagon bolts (5) and the headless bolts (8) respectively penetrate through the pressing plate (7) and are fixed on the bottom plate (1), and the hexagon nuts (6) are installed on the headless bolts (8) and provide pressing force for the pressing plate (7).

2. The flexible fixture of the milling machine for forging thin-wall parts according to claim 1, wherein: the pressing plate (7), the hexagon bolts (5), the headless bolts (8) and the hexagon nuts (6) are all provided with three groups to provide pressing force for the processed parts.

3. The flexible fixture of the milling machine for forging type thin-wall parts according to claim 1 or 2, wherein: the clamp clamps and fixes a single forging type thin-wall part on one side or clamps and fixes two forging type thin-wall parts at the same time.