A tool for turning and milling flange parts with angular recognition capability

Abstract

A tooling for turning and milling composite machining of flange parts with angular recognition capability belongs to the technical field of aerospace engine parts manufacturing, and includes a fixture body, a first angular transmission mechanism, and a second angular transmission mechanism; the fixture body is fixedly clamped and matched with a three-jaw chuck of a turning and milling machining center; the first angular transmission mechanism is arranged on the back of the fixture body, and the first angular transmission mechanism is automatically clamped and matched with one of the jaws of the three-jaw chuck as an angular recognition jaw; the second angular transmission mechanism is arranged on the front of the fixture body, and the second angular transmission mechanism is angularly positioned and clamped with the part. The present invention is particularly suitable for turning and milling composite machining of forged and cast parts with complex flange structures, meets the quantitative transmission of the angular zero point of the equipment to the part, and can merge multiple processes into a CNC one-time turning and milling composite machining process, thereby improving the processing quality of parts, reducing the number of processes, the number of tooling and processing costs, shortening the processing cycle, and improving processing efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of aerospace engine parts manufacturing, and in particular relates to a tool for turning and milling composite processing of flange parts with angular recognition capability. Background Art

[0002] Among the external pipe connectors of aircraft engines, there are many complex flange-type forged parts. These parts usually have angular requirements in the structural space, such as Figure 8 The parts shown in the figure also require multiple processes such as turning, milling, and drilling during the parts processing process.

[0003] However, multiple processes such as turning, milling, and drilling generally require separate production of special tooling. Not only are there many processes, but the number of tooling required is also large, and it is greatly affected by the raw material state of forging and casting parts. It will also lead to problems such as long overall processing cycle of parts, low processing efficiency, high processing costs, and low processing quality. Summary of the Invention

[0004] In response to the problems existing in the prior art, the present invention provides a tooling for turning and milling composite processing of flange parts with angular recognition capability, which is particularly suitable for turning and milling composite processing of forged and cast parts with complex flange structures. It can meet the quantitative transmission of the angular zero point of the equipment to the parts, and can merge multiple processes into a CNC one-time turning and milling composite processing process. While improving the processing quality of parts, it effectively reduces the number of processes, the number of tooling and processing costs, further shortens the processing cycle, and thus effectively improves the processing efficiency.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a tooling for turning and milling composite processing of flange parts with angular recognition capability, comprising a fixture main body, a first angular transmission mechanism and a second angular transmission mechanism; the fixture main body is fixedly clamped and matched with the three-jaw chuck of the turning and milling machining center equipment; the first angular transmission mechanism is arranged on the back of the fixture main body, and the first angular transmission mechanism is automatically centering and clamped with one of the jaws of the three-jaw chuck serving as the angular recognition jaw; the second angular transmission mechanism is arranged on the front of the fixture main body, and the second angular transmission mechanism is angularly positioned and clamped with the part.

[0006] The fixture body includes a disc body and a clamping column; the disc body adopts a disc structure; the clamping column adopts a cylindrical structure, and the clamping column is coaxially fixed at the center of the back of the disc body; the clamping column is fixedly clamped on the three-jaw chuck of the turning and milling machining center equipment.

[0007] The first chuck jaw clamping head is provided with a first chuck jaw clamping head, a second chuck jaw clamping head, a first forward and reverse threaded screw and a first clamping head guide slot; the first clamping head guide slot is arranged on the back of the disk body, and the first bearing seat is fixedly installed in the middle of the first clamping head guide slot; the center of the first forward and reverse threaded screw is rotatably connected to the first bearing seat; the first chuck jaw clamping head is arranged in the first clamping head guide slot and is threadedly connected to the forward thread section of the first forward and reverse threaded screw, and the first clamping head limit baffle is fixedly installed between the first chuck jaw clamping head and the disk body; the second chuck jaw clamping head is arranged in the first clamping head guide slot and is threadedly connected to the reverse thread section of the first forward and reverse threaded screw, the second chuck jaw clamping head and the first chuck jaw clamping head are mirror-symmetrically distributed relative to the first bearing seat, and the second clamping head limit baffle is fixedly installed between the second chuck jaw clamping head and the disk body.

[0008] The angular identification jaws are automatically centeringly clamped between the first chuck jaw clamping head and the second chuck jaw clamping head.

[0009] The second angular transmission mechanism includes a first part angular positioning clamping head, a second part angular positioning clamping head, a second forward and reverse threaded screw and a second clamping head guide slot; the second clamping head guide slot is arranged on the front side of the disc body, the second clamping head guide slot is parallel to the first clamping head guide slot, and a second bearing seat is fixedly installed in the middle of the second clamping head guide slot; the center of the second forward and reverse threaded screw is rotatably connected to the second bearing seat, and the second forward and reverse threaded screw is parallel to the first forward and reverse threaded screw; the first part angular positioning clamping head is arranged The second clamping head is in the guide groove of the second clamping head and is threadedly connected to the positive thread section of the second forward and reverse threaded screw. A third clamping head limit baffle is fixedly installed between the first part angular positioning clamping head and the disk body; the second part angular positioning clamping head is arranged in the second clamping head guide groove and is threadedly connected to the reverse thread section of the second forward and reverse threaded screw. The second part angular positioning clamping head and the first part angular positioning clamping head are mirror-symmetrically distributed relative to the second bearing seat, and a fourth clamping head limit baffle is fixedly installed between the second part angular positioning clamping head and the disk body.

[0010] The part angular positioning clamp is clamped between a first part angular positioning clamping head and a second part angular positioning clamping head.

[0011] The structures of the first part angular positioning clamping head and the second part angular positioning clamping head are designed to be adapted to the structures of the parts.

[0012] A first part auxiliary clamping bolt is provided between the first part angular positioning clamping head and the part, and the first part auxiliary clamping bolt is distributed in parallel with the second forward and reverse threaded lead screw.

[0013] A second part auxiliary clamping bolt is provided between the second part angular positioning clamping head and the part, and the second part auxiliary clamping bolt is distributed in parallel with the second forward and reverse threaded lead screw.

[0014] Beneficial effects of the present invention:

[0015] The tooling for turning and milling composite processing of flange parts with angular recognition capability of the present invention is particularly suitable for turning and milling composite processing of forged and cast parts with complex flange structures. It can meet the quantitative transmission of the angular zero point of the equipment to the parts, and can merge multiple processes into a CNC one-time turning and milling composite processing process. While improving the processing quality of parts, it effectively reduces the number of processes, the number of tooling and processing costs, further shortens the processing cycle, and thus effectively improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a tooling for turning and milling a flange-type part with angular recognition capability according to the present invention (viewing angle 1);

[0017] Figure 2 A schematic structural diagram of a tooling for turning and milling flange parts with angular recognition capability according to the present invention (viewpoint 2);

[0018] Figure 3 A schematic structural diagram of a tooling for turning and milling flange parts with angular recognition capability according to the present invention (viewpoint three);

[0019] Figure 4 A schematic diagram of the structure of the tooling for turning and milling composite machining of flange parts with angular recognition capability of the present invention when clamped with the chuck jaws (viewpoint one);

[0020] Figure 5 A schematic diagram of the structure of the tooling for turning and milling composite machining of flange parts with angular recognition capability of the present invention when clamped with the chuck jaws (viewpoint four);

[0021] Figure 6 A schematic diagram of the structure of the tooling for turning and milling composite machining of flange parts with angular recognition capability of the present invention when clamped with the chuck jaws (viewpoint three);

[0022] Figure 7 A schematic diagram of the structure of the tooling for turning and milling composite machining of flange parts with angular recognition capability of the present invention when clamped with the chuck jaws (viewing angle 5);

[0023] Figure 8 This is a schematic diagram of the structure of flange-type forged and cast parts;

[0024] In the figure, 1—angular identification claw, 2—part, 3—disc body, 4—clamping column, 5—first chuck jaw clamping head, 6—second chuck jaw clamping head, 7—first positive and negative thread screw, 8—first clamping head guide slide, 9—first bearing seat, 10—first clamping head limit baffle, 11—second clamping head limit baffle, 12—first part angular positioning clamping head, 13—second part angular positioning clamping head, 14—second positive and negative thread screw, 15—second clamping head guide slide, 16—second bearing seat, 17—third clamping head limit baffle, 18—fourth clamping head limit baffle, 19—first part auxiliary clamping bolt, 20—second part auxiliary clamping bolt. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] like Figures 1 to 7 As shown, a tooling for turning and milling composite processing of flange parts with angular recognition capability comprises a fixture body, a first angular transmission mechanism and a second angular transmission mechanism; the fixture body is fixedly clamped and matched with a three-jaw chuck of a turning and milling machining center device; the first angular transmission mechanism is arranged on the back of the fixture body, and the first angular transmission mechanism is automatically centering and clamped with one of the jaws of the three-jaw chuck serving as the angular recognition jaw 1; the second angular transmission mechanism is arranged on the front of the fixture body, and the second angular transmission mechanism is angularly positioned and clamped with the part 2.

[0027] The fixture body includes a disc body 3 and a clamping column 4; the disc body 3 adopts a disc structure; the clamping column 4 adopts a cylindrical structure, and the clamping column 4 is coaxially fixed at the center of the back of the disc body 3; the clamping column 4 is fixedly clamped on the three-jaw chuck of the turning and milling machining center equipment.

[0028] The first angular transmission mechanism includes a first chuck jaw clamping head 5, a second chuck jaw clamping head 6, a first forward and reverse threaded screw 7 and a first clamping head guide slot 8; the first clamping head guide slot 8 is arranged on the back of the disk body 3, and a first bearing seat 9 is fixedly installed in the middle of the first clamping head guide slot 8; the center of the first forward and reverse threaded screw 7 is rotatably connected to the first bearing seat 9; the first chuck jaw clamping head 5 is arranged in the first clamping head guide slot 8 and is threadedly connected to the positive thread section of the first forward and reverse threaded screw 7, and a first clamping head limit baffle 10 is fixedly installed between the first chuck jaw clamping head 5 and the disk body 3; the second chuck jaw clamping head 6 is arranged in the first clamping head guide slot 8 and is threadedly connected to the reverse thread section of the first forward and reverse threaded screw 7, the second chuck jaw clamping head 6 and the first chuck jaw clamping head 5 are mirror-symmetrically distributed relative to the first bearing seat 9, and a second clamping head limit baffle 11 is fixedly installed between the second chuck jaw clamping head 6 and the disk body 3.

[0029] The angular recognition jaws 1 are automatically centeringly clamped between the first chuck jaw clamping head 5 and the second chuck jaw clamping head 6 .

[0030] The second angular transmission mechanism includes a first part angular positioning clamping head 12, a second part angular positioning clamping head 13, a second forward and reverse threaded screw 14 and a second clamping head guide slot 15; the second clamping head guide slot 15 is arranged on the front of the disc body 3, the second clamping head guide slot 15 is parallel to the first clamping head guide slot 8, and a second bearing seat 16 is fixedly installed in the middle of the second clamping head guide slot 15; the center of the second forward and reverse threaded screw 14 is rotatably connected to the second bearing seat 16, and the second forward and reverse threaded screw 14 is parallel to the first forward and reverse threaded screw 7; the first part angular positioning clamping head 12 is arranged A third clamping head limit baffle 17 is fixedly installed between the first part angular positioning clamping head 12 and the disk body 3 in the second clamping head guide groove 15 and is threadedly connected to the positive thread section of the second positive and negative thread screw 14; the second part angular positioning clamping head 13 is arranged in the second clamping head guide groove 15 and is threadedly connected to the negative thread section of the second positive and negative thread screw 14, the second part angular positioning clamping head 13 and the first part angular positioning clamping head 12 are mirror-symmetrically distributed relative to the second bearing seat 16, and a fourth clamping head limit baffle 18 is fixedly installed between the second part angular positioning clamping head 13 and the disk body 3.

[0031] The part 2 is angularly positioned and clamped between a first part angular positioning clamping head 12 and a second part angular positioning clamping head 13 .

[0032] The structures of the first part angular positioning clamping head 12 and the second part angular positioning clamping head 13 are designed to be adapted to the structure of the part 2 .

[0033] A first part auxiliary clamping bolt 19 is provided between the first part angular positioning clamping head 12 and the part 2 , and the first part auxiliary clamping bolt 19 is distributed parallel to the second forward and reverse threaded screw 14 .

[0034] A second part auxiliary clamping bolt 20 is provided between the second part angular positioning clamping head 13 and the part 2 . The second part auxiliary clamping bolt 20 is distributed parallel to the second forward and reverse threaded screw 14 .

[0035] The following describes a one-time use process of the present invention in conjunction with the accompanying drawings:

[0036] First, the angular zero point of the equipment in the turning and milling machining center is reset, and one of the jaws of the three-jaw chuck is used as the angular identification jaw 1. The angular identification jaw 1 is clearly fixed relative to the angular zero point of the equipment. Then, the tooling of the present invention is fixed together with the three-jaw chuck through the clamping column 4, and the first positive and negative threaded screw 7 is screwed at the same time to control the first chuck jaw clamping head 5 and the second chuck jaw clamping head 6 to automatically center and clamp the angular identification jaw 1. At this time, the angular identification jaw 1 completes the transmission of the quantitative angular relationship with the fixture body through the first angular transmission mechanism.

[0037] Next, place part 2 between the first part angular positioning clamping head 12 and the second part angular positioning clamping head 13, and then screw the second forward and reverse threaded screw 14 to control the first part angular positioning clamping head 12 and the second part angular positioning clamping head 13 to angularly position and clamp part 2. Then, use the first part auxiliary clamping bolt 19 and the second part auxiliary clamping bolt 20 to auxiliary clamp part 2. At this time, the angular identification claw 1 completes the transmission of the quantitative angular relationship with part 2 through the first angular transmission mechanism, the fixture body and the second angular transmission mechanism in turn, and finally achieves the purpose of transmitting the angular zero point of the equipment to the angular end of part 2 in a fixed manner. The turning and milling processing based on the angular zero point of the equipment is equivalent to the turning and milling processing based on the angular end of part 2. Then, the part 2 can be subjected to CNC one-time turning and milling composite processing through the turning and milling machining center.

[0038] The solutions in the embodiments are not intended to limit the scope of protection of the present invention. All equivalent implementations or modifications that do not depart from the scope of protection of the present invention are included in the scope of protection of the present invention.

Claims

1. A tool for turning and milling flange parts with angular recognition capability, characterized by: It includes a fixture body, a first angular transmission mechanism and a second angular transmission mechanism; the fixture body is fixedly clamped with a three-jaw chuck of a turning and milling machining center; the first angular transmission mechanism is arranged on the back of the fixture body, and the first angular transmission mechanism is automatically centering and clamped with one of the jaws of the three-jaw chuck serving as an angular identification jaw; the second angular transmission mechanism is arranged on the front of the fixture body, and the second angular transmission mechanism is angularly positioned and clamped with the part.

2. The tooling for turning and milling flange parts with angular recognition capability according to claim 1, characterized in that: The fixture body includes a disc body and a clamping column; the disc body adopts a disc structure; the clamping column adopts a cylindrical structure, and the clamping column is coaxially fixed at the center of the back of the disc body; the clamping column is fixedly clamped on the three-jaw chuck of the turning and milling machining center equipment.

3. The tooling for turning and milling flange parts with angular recognition capability according to claim 2, characterized in that: The first chuck jaw clamping head is provided with a first chuck jaw clamping head, a second chuck jaw clamping head, a first forward and reverse threaded screw and a first clamping head guide slot; the first clamping head guide slot is arranged on the back of the disk body, and the first bearing seat is fixedly installed in the middle of the first clamping head guide slot; the center of the first forward and reverse threaded screw is rotatably connected to the first bearing seat; the first chuck jaw clamping head is arranged in the first clamping head guide slot and is threadedly connected to the positive thread section of the first forward and reverse threaded screw, and the first clamping head limit baffle is fixedly installed between the first chuck jaw clamping head and the disk body; the second chuck jaw clamping head is arranged in the first clamping head guide slot and is threadedly connected to the reverse thread section of the first forward and reverse threaded screw, the second chuck jaw clamping head and the first chuck jaw clamping head are mirror-symmetrically distributed relative to the first bearing seat, and the second clamping head limit baffle is fixedly installed between the second chuck jaw clamping head and the disk body.

4. The tooling for turning and milling flange parts with angular recognition capability according to claim 3, characterized in that: The angular identification jaws are automatically centeringly clamped between the first chuck jaw clamping head and the second chuck jaw clamping head.

5. The tooling for turning and milling flange parts with angular recognition capability according to claim 3, characterized in that: The second angular transmission mechanism includes a first part angular positioning clamping head, a second part angular positioning clamping head, a second forward and reverse threaded screw and a second clamping head guide slot; the second clamping head guide slot is arranged on the front side of the disc body, the second clamping head guide slot is parallel to the first clamping head guide slot, and a second bearing seat is fixedly installed in the middle of the second clamping head guide slot; the center of the second forward and reverse threaded screw is rotatably connected to the second bearing seat, and the second forward and reverse threaded screw is parallel to the first forward and reverse threaded screw; the first part angular positioning clamping head is arranged The second clamping head is in the guide groove of the second clamping head and is threadedly connected to the positive thread section of the second forward and reverse threaded screw. A third clamping head limit baffle is fixedly installed between the first part angular positioning clamping head and the disk body; the second part angular positioning clamping head is arranged in the second clamping head guide groove and is threadedly connected to the reverse thread section of the second forward and reverse threaded screw. The second part angular positioning clamping head and the first part angular positioning clamping head are mirror-symmetrically distributed relative to the second bearing seat, and a fourth clamping head limit baffle is fixedly installed between the second part angular positioning clamping head and the disk body.

6. The tooling for turning and milling flange parts with angular recognition capability according to claim 5, characterized in that: The part angular positioning clamp is clamped between a first part angular positioning clamping head and a second part angular positioning clamping head.

7. The tooling for turning and milling flange parts with angular recognition capability according to claim 5, characterized in that: The structures of the first part angular positioning clamping head and the second part angular positioning clamping head are designed to be adapted to the structures of the parts.

8. The tooling for turning and milling flange parts with angular recognition capability according to claim 5, characterized in that: A first part auxiliary clamping bolt is provided between the first part angular positioning clamping head and the part, and the first part auxiliary clamping bolt is distributed in parallel with the second forward and reverse threaded lead screw.

9. The tooling for turning and milling flange parts with angular recognition capability according to claim 5, characterized in that: A second part auxiliary clamping bolt is provided between the second part angular positioning clamping head and the part, and the second part auxiliary clamping bolt is distributed in parallel with the second forward and reverse threaded lead screw.

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