CN215788282U

CN215788282U - Large-scale two switching of leading blade milling of taking hat are connect out and are used centre gripping frock

Info

Publication number: CN215788282U
Application number: CN202121611098.6U
Authority: CN
Inventors: 吉鲲跃; 陈凯严
Original assignee: Nantong Zhongneng Machinery Co ltd
Current assignee: Nantong Zhongneng Machinery Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-02-11
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to a clamping tool for switching out two milling heads of a large shrouded guide blade, which is characterized in that: comprises a connecting chassis, a guide table, a caliper group, an adjusting screw and a three-pin frame; according to the utility model, the T-shaped guide groove is arranged on the guide table to guide the caliper units, the adjusting screw rods drive the caliper units to move oppositely to clamp the blades or move back to loosen the blades, in addition, the three thimble frames are arranged on the upper surface of the guide table and between the caliper units, and the three thimble holes are arranged in the three thimble frames, so that the crown or the root of the clamped blade can be effectively supported, the displacement phenomenon of a single clamping structure in the clamping processing process is avoided, the clamping stability is improved, and the blade positioning precision is improved.

Description

Large-scale two switching of leading blade milling of taking hat are connect out and are used centre gripping frock

Technical Field

The utility model relates to the technical field of blade machining clamping tools, in particular to a clamping tool for two-end switching-out of a large-scale shrouded guide blade mill.

Background

The general large-scale guide vane with the crown not only has long vane, but also has the characteristics of extremely deep crown and extremely large inclination; the conventional processing method aims at the deep slope switching part of the crown part of the blade and needs to make a plurality of sets of tools, an approximate surface is milled firstly, and the polishing and processing are carried out by matching a polishing grinder and a sample plate, so that the processing mode has a plurality of tools and complex and redundant process; the five-axis machining center is adopted, and the machining can be finished by clamping the five-axis machining center through a single tool; therefore, the clamping tool needs to be reliable in clamping, good in strength and accurate in positioning; so as to ensure the processing of the bending and twisting line and the deep slope switching of the blade.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a clamping tool for milling two-head switching-out of a large-scale shrouded guide blade, which can solve the problems of poor processing precision and complex and redundant process caused by repeated positioning due to the adoption of a plurality of sets of tools for processing the deep slope of the switching part of the general large-scale shrouded guide blade.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a large-scale two switching of leading blade milling of taking hat is taken out and is used centre gripping frock, its innovation point lies in: comprises a connecting chassis, a guide table, a caliper group, an adjusting screw and a three-pin frame;

the connecting base plate is of a cylindrical structure, and a plurality of bolt connecting holes are formed in the connecting base plate along the circumferential direction, so that the tool is installed on a milling machine; the guide table is of a cylindrical structure and is coaxially arranged with the connecting chassis; a T-shaped guide groove penetrating through the axis is arranged on the guide table and is perpendicular to the axis direction;

the caliper group is arranged on the upper surface of the guide table; the clamping jaw set comprises a pair of clamping jaw units, the pair of clamping jaw units are symmetrically arranged relative to the axis of the guide table, and clamping bayonets are formed between the clamping jaw units; the bottom end of the caliper unit is provided with a guide block matched with the T-shaped guide groove on the guide table, the guide block is embedded in the T-shaped guide groove of the guide table, and the guide block can move along the extending direction of the T-shaped guide groove; the guide blocks of the pair of clamping jaw units are respectively provided with a thread through hole, and the axial direction of the thread through holes of the guide blocks of the pair of clamping jaw units is vertical to the axial direction of the guide table;

the adjusting screw rod is matched with a thread through hole of a guide block of the caliper unit, the threads on the adjusting screw rod are opposite in spiral direction from the center to two ends, and the caliper unit arranged on the adjusting screw rod can move oppositely or back to back along the direction of the T-shaped guide groove by driving the adjusting screw rod;

the three-thimble frame is arranged on the upper surface of the guide table, is vertical to the extending direction of the T-shaped guide groove and is positioned at the middle part position of the T-shaped guide groove; the three-thimble frame is arranged between the two caliper units, a central thimble hole is formed in the center of the upper surface of the three-thimble frame, and side thimble holes are formed in two sides of the central thimble hole respectively.

Furthermore, the end part of the adjusting screw is provided with a hexagonal hole, and the adjusting screw is driven to rotate by a hexagonal wrench.

The utility model has the advantages that:

1) according to the utility model, the T-shaped guide groove is arranged on the guide table to guide the caliper units, the adjusting screw rods drive the caliper units to move oppositely to clamp the blades or move back to loosen the blades, in addition, the three thimble frames are arranged on the upper surface of the guide table and between the caliper units, and the three thimble holes are arranged in the three thimble frames, so that the crown or the root of the clamped blade can be effectively supported, the displacement phenomenon of a single clamping structure in the clamping processing process is avoided, the clamping stability is improved, and the blade positioning precision is improved.

Drawings

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

Fig. 1 is a schematic front view of a clamping tool for turning out two ends of a large shrouded guide blade mill according to the utility model.

Fig. 2 is a schematic top view of the clamping tool for turning out two ends of a large shrouded guide blade mill according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The clamping tool for switching out two ends of a large shrouded guide blade mill shown in fig. 1 and 2 comprises a connecting chassis 1, a guide table 2, a caliper group 3, an adjusting screw rod 4 and a three-thimble frame 5.

The connecting base plate 1 is of a cylindrical structure, and a plurality of bolt connecting holes are formed in the connecting base plate 1 along the circumferential direction, so that the tool is installed on a milling machine; the guide table 2 is of a cylindrical structure, and the guide table 2 and the connecting chassis are coaxially arranged; a T-shaped guide groove 21 which penetrates through the axis is arranged on the guide table 2 and is perpendicular to the axis direction.

The caliper group 3 is arranged on the upper surface of the guide table; the caliper group 3 comprises a pair of caliper units 31, the pair of caliper units 31 are symmetrically arranged about the axis of the guide table 2, and a clamping bayonet is formed between the caliper units 31; the bottom end of the caliper unit 31 is provided with a guide block which is matched with the T-shaped guide groove 21 on the guide table 2, the guide block is embedded in the T-shaped guide groove 21 of the guide table, and the guide block can move along the extending direction of the T-shaped guide groove 21; the guide blocks of the pair of caliper units 31 are all provided with a threaded through hole, and the axial direction of the threaded through hole of the guide block of the pair of caliper units 31 is perpendicular to the axial direction of the guide table 2.

The adjusting screw rod 4 is matched with the thread through hole of the guide block of the caliper unit 31, and the threads on the adjusting screw rod 4 are opposite in spiral direction from the center to the two ends, and the caliper unit 31 mounted on the adjusting screw rod 4 can move towards each other or move away from each other along the direction of the T-shaped guide groove by driving the adjusting screw rod 4.

The three-thimble frame 5 is arranged on the upper surface of the guide table 2, and the three-thimble frame 5 is vertical to the extending direction of the T-shaped guide groove 21 and is positioned at the middle part position of the T-shaped guide groove 21; the three-thimble frame 5 is located between the two caliper units 31, a central thimble hole is formed in the center of the upper surface of the three-thimble frame 5, and side thimble holes are formed in two sides of the central thimble hole respectively.

The end part of the adjusting screw rod 4 is provided with a hexagonal hole, and the adjusting screw rod is driven to rotate by a hexagonal wrench.

The working principle of the utility model is as follows: through set up the direction that the T type guide way carried out the calliper unit on the direction platform, drive the calliper unit through adjusting screw and carry out the removal in opposite directions and grasp the blade or remove the blade of loosening dorsad, in addition, through being located on the direction platform upper surface and set up three thimble framves between the calliper unit, set up three thimble holes through three thimble in the frame and can realize carrying out effectual support to the blade crown or the root after the centre gripping, avoid single clamping structure displacement phenomenon to appear in-process of centre gripping processing, the stability of centre gripping has been improved, the precision of blade location has been increaseed.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large-scale two switching of leading blade milling of taking hat goes out and uses centre gripping frock which characterized in that: comprises a connecting chassis, a guide table, a caliper group, an adjusting screw and a three-pin frame;

2. The large-scale shrouded guide blade milling two-end switching-out clamping tool according to claim 1, characterized in that: the end part of the adjusting screw rod is provided with a hexagonal hole, and the adjusting screw rod is driven to rotate by a hexagonal wrench.