CN212019533U

CN212019533U - Turbine generator coil tip fishtail joint mills mould

Info

Publication number: CN212019533U
Application number: CN202020624198.1U
Authority: CN
Inventors: 鲁嘉琪; 安华; 王子林; 郭智全
Original assignee: Harbin Electric Machinery Co Ltd
Current assignee: Harbin Electric Machinery Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-27
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a turbine generator coil end fishtail joint milling clamping fixture, which consists of a taper pin, a milling matrix, an upper middle filler strip, a cylindrical pin, a left lower cushion block, a left through hole, a left-direction heart-shaped groove, a right lower cushion block, a right through hole, a right-direction heart-shaped groove, a compression screw, a positioning key, a cylindrical head screw and a right-angle scribing block; the testing device can reflect real data of convex-concave welding quality of the right-angle corner part of the coil, can judge the conductivity and the current stability of the whole rotor through the data, also plays a role in pre-judging the effect after the whole assembly, and provides reference basis for the accuracy of the data of the whole unit test.

Description

Turbine generator coil tip fishtail joint mills mould

Technical Field

The utility model relates to a mill the mould, especially relate to a turbo generator coil end fish tail joint mills mould.

Background

Along with newly-developed motor kind is more and more, and every kind of turbo generator all can use the coil, because coil itself can not directly turn the quarter bend, just so need two coils to carry out weld forming at the right angle position, in order to guarantee the quality after the coil welding, selects to mill the fish tail shape in the right angle department, a protruding concave going on, this kind of increase welding area of contact strengthens life. The convex fishtail can be directly milled, while the concave fishtail has to be milled by a forming cutter, and the shape and the angle are completely consistent. The convex-concave matched welding is firm, good in stability and long in service life. Under the background, the turbine generator coil fishtail joint milling clamping fixture is invented, the utility model discloses a turbine generator coil fishtail joint milling clamping fixture, the whole quality of the coil is a process of inspection in advance, and the rotor coil achieves the effect of stabilizing the current in the process of forming the current, the risk of re-welding is reduced, and the adoption of the compression screw compression structure ensures that the installation, the disassembly and the use are very convenient; all the data obtained show that the structure meets the use requirements.

Disclosure of Invention

The utility model aims at disclosing a turbine generator coil tip fish tail joint mills mould of simple structure, easy operation, technical scheme is: the milling fixture is composed of a conical pin (1), a milling fixture body (2), an upper middle pad strip (3), a cylindrical pin (4), a left lower cushion block (5), a left through hole (6), a left centripetal waist-shaped groove (7), a right lower cushion block (8), a right through hole (9), a right centripetal waist-shaped groove (10), a compression screw (11), a positioning key (12), a cylindrical head screw (13) and a right-angle type scribing block (14); the taper pin (1) penetrates through a cross center line position of a milling matrix (2) to fix an upper padding strip (3), the cylindrical pin (4) penetrates through a left through hole (6) of a left lower cushion block (5), the cylindrical pin is inserted into a left centripetal kidney-shaped groove (7) of the milling matrix (2) to fix the left lower cushion block (5), the cylindrical pin (4) penetrates through a right through hole (9) of a right lower cushion block (8), the cylindrical pin is inserted into a right centripetal kidney-shaped groove (10) of the milling matrix (2) to fix the right lower cushion block (8), a compression screw (11) penetrates through the milling matrix (2) to centripetally compress the left lower cushion block (5), a positioning key (12) is fixed at the bottom of the milling matrix (2) by a cylindrical head screw (13), and two inner side faces of a right-angle type scribing block (14) are respectively close to the side face and the upper plane of the milling matrix (2).

Principle of operation

The utility model discloses by: the milling fixture is composed of a conical pin (1), a milling fixture body (2), an upper middle pad strip (3), a cylindrical pin (4), a left lower cushion block (5), a left through hole (6), a left centripetal waist-shaped groove (7), a right lower cushion block (8), a right through hole (9), a right centripetal waist-shaped groove (10), a compression screw (11), a positioning key (12), a cylindrical head screw (13) and a right-angle type scribing block (14); the taper pin (1) penetrates through a cross center line position of a milling matrix (2) to fix the upper middle cushion strip (3), the front end of the taper pin (1) cannot leak out of the end surface of the upper middle cushion strip (3) with a difference of 1 mm, the cylindrical pin (4) penetrates through a left through hole (6) of a left lower cushion block (5) and is inserted into a left centripetal kidney-shaped groove (7) of the milling matrix (2) to fix the left lower cushion block (5), the cylindrical pin (4) and the left through hole (6) are in interference fit, the right through hole (9) is ensured not to be loosened and fall off in the left through hole (6) and the right through hole (9), the width sizes of the left centripetal kidney-shaped groove (7) and the right centripetal kidney-shaped groove (10) of the milling matrix (2) are 0.2mm larger than the outer diameter of the cylindrical pin (4), the cylindrical pin (4) is convenient to slide centripetally, the adjustment is flexible and convenient and has a small adjustment amount, and a gap is reserved between the left, in order to avoid interference during centripetal movement, a cylindrical pin (4) penetrates through a right through hole (9) of a right lower cushion block (8) and is inserted into a right centripetal kidney-shaped groove (10) of a milled tire body (2) to fix the right lower cushion block (8), a compression screw (11) penetrates through the milled tire body (2) to centripetally compress a left lower cushion block (5), the front end of the compression screw (11) adopts a spherical structure, the direction is adjusted when the compression is slightly deviated, a steel quenching piece is adopted, the compression screw (11) penetrates through the milled tire body (2) to centripetally compress the right lower cushion block (8), a positioning key (12) is fixed at the bottom of the milled tire body (2) by a cylindrical head screw (13), the positioning key (12) is used as a reference, the radial position is centripetally moved and adjusted, the selected material is a forged piece and is quenched, so that the forged piece is wear-resistant, the tolerance is unchanged after long-term use, two inner side surfaces of a right, can move in the centripetal direction to check whether the allowance left by milling the edge of the tire body (2) is correct.

Technical effects

The utility model discloses simple structure, simple to operate, workman easily operates, and this kind of device has the commonality simultaneously, and the commonality is present as long as coil arc is in certain within range, through changing under left cushion and the right cushion and add new filler strip and just can realize the whole general under the unchangeable condition of child size of milling, and this kind of connection and fixed mode have guaranteed the uniformity when milling concave fish tail moreover. The tool has the advantages of reasonable design structure, material saving, excellent effect after use, easiness in manufacturing, continuous updating of types along with continuous increase of products, strong universality in production under the condition that the tool cost requirement is sharply reduced, high standardization requirement, capability of meeting the 6S requirement of production management and improvement of production efficiency.

Drawings

FIG. 1 is a cross-sectional view of the coil fishtail joint milling clamping fixture of the utility model

FIG. 2 is a front view of the coil fishtail joint milling fixture of the utility model

The specific implementation mode is as follows:

the present invention will be further described with reference to the following schematic drawings and specific embodiments:

as shown in fig. 1 and 2, a taper pin 1 penetrates through a cross center line position of a milling tire body 2 to fix an upper padding strip 3, a cylindrical pin 4 penetrates through a left through hole 6 of a left lower padding block 5, is inserted into a left direction center kidney-shaped groove 7 of the milling tire body 2 to fix the left lower padding block 5, the cylindrical pin 4 penetrates through a right through hole 9 of a right lower padding block 8, is inserted into a right direction center kidney-shaped groove 10 of the milling tire body 2 to fix the right lower padding block 8, a compression screw 11 penetrates through the milling tire body 2 to centripetally compress the left lower padding block 5, the compression screw 11 penetrates through the milling tire body 2 to centripetally compress the right lower padding block 8, a positioning key 12 is fixed at the bottom of the milling tire body 2 by a cylindrical head screw 13, and two inner side surfaces of a right.

Claims

1. The utility model provides a turbo generator coil tip fishtail joint mills mould which characterized by: the milling fixture is composed of a conical pin (1), a milling fixture body (2), an upper middle pad strip (3), a cylindrical pin (4), a left lower cushion block (5), a left through hole (6), a left centripetal waist-shaped groove (7), a right lower cushion block (8), a right through hole (9), a right centripetal waist-shaped groove (10), a compression screw (11), a positioning key (12), a cylindrical head screw (13) and a right-angle type scribing block (14); the taper pin (1) penetrates through a cross center line position of a milling matrix (2) to fix an upper padding strip (3), the cylindrical pin (4) penetrates through a left through hole (6) of a left lower cushion block (5), the cylindrical pin is inserted into a left centripetal kidney-shaped groove (7) of the milling matrix (2) to fix the left lower cushion block (5), the cylindrical pin (4) penetrates through a right through hole (9) of a right lower cushion block (8), the cylindrical pin is inserted into a right centripetal kidney-shaped groove (10) of the milling matrix (2) to fix the right lower cushion block (8), a compression screw (11) penetrates through the milling matrix (2) to centripetally compress the left lower cushion block (5), a positioning key (12) is fixed at the bottom of the milling matrix (2) by a cylindrical head screw (13), and two inner side faces of a right-angle type scribing block (14) are respectively close to the side face and the upper plane of the milling matrix (2).