CN219212302U

CN219212302U - Fine machining clamp for front section of bearing casing

Info

Publication number: CN219212302U
Application number: CN202222910935.6U
Authority: CN
Inventors: 刘杰; 黎明; 彭龙; 张武志
Original assignee: Zhuzhou Fengfa Precision Industrial Co ltd
Current assignee: Zhuzhou Fengfa Precision Industrial Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-06-20
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a fine machining clamp for the front section of a bearing casing, which comprises a clamp main body and a groove, wherein a chute and a limiting groove are formed in the clamp main body, the limiting groove and the chute are distributed alternately, holes are formed in two sides of an auxiliary movable positioning block, a hole is formed in a supporting column, a part is arranged on one side of a pressing plate, and a fixing bolt is arranged on one side of a fixing groove; this smart processing anchor clamps of bearing box anterior segment is provided with the anchor clamps main part that adopts the welding to assemble, guarantee to have enough intensity and can effectively alleviate this frock weight and be convenient for install, the frock adopts M16 bolted connection lathe chuck or ring flange, can be applicable to the lathe of different models, the clamp plate adopts the Z style of calligraphy clamp plate, can avoid the cutter to interfere and guarantee sufficient clamp force, adopt movable three-point location to be convenient for adjust in the middle, this frock can use repeatedly for a long time through the thermal treatment, can guarantee product quality completely, clamp plate and auxiliary activity locating piece make this frock can be convenient for adjust the centre gripping fixed to the part.

Description

Fine machining clamp for front section of bearing casing

Technical Field

The utility model relates to the technical field of casing tools, in particular to a finishing clamp for a front section of a bearing casing.

Background

The utility model provides a device that bearing housing anterior segment finish machining anchor clamps carry out centre gripping processing to aeroengine bearing housing, aeroengine's housing is the accurate mounting base of important parts such as bent axle, camshaft, cylinder, it has crucial effect in aeroengine, aeroengine bearing housing belongs to medium-sized part, the material is the difficult material of K423A, cutting force is big, the precision is high, to the frock requirement height, bearing housing anterior segment finish machining anchor clamps generally adopt traditional clamping mode to carry out centre gripping fixed to the housing, the influence of the mode difference of clamping also differs to machining efficiency, current bearing housing anterior segment finish machining anchor clamps find some problems in the use:

1. the clamping and positioning of the case in the current industry are the traditional clamping mode, such as applying downward force to the case through a screw rod, a nut and a pressing plate, and the mounting tool is required to be adjusted for many times during processing, so that unnecessary position interference is easy to generate, the clamping, positioning, debugging and alignment are extremely troublesome, the operation is complex, the positioning is inconvenient, the use efficiency is low, the adjustment and positioning of the existing aeroengine bearing case are troublesome, and the processing quality of the case is affected;

2. the existing finishing clamp for the front section of the bearing casing generally clamps and fixes the casing through various clamps, but because the processing difficulty of the bearing casing of the aeroengine is high, the clamping force of the traditional clamp is insufficient during processing, so that the clamping of the casing during processing is not stable enough, and the processing quality of the casing is affected.

We have therefore proposed a finishing jig for the front section of the bearing casing in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a finishing clamp for the front section of a bearing casing, which solves the problems that the existing aeroengine bearing casing in the market is troublesome to adjust and position and the clamping is not stable enough in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the front section finish machining clamp of the bearing casing comprises a clamp main body and a groove, wherein a sliding groove and a limiting groove are formed in the clamp main body, the limiting groove and the sliding groove are distributed at intervals, an auxiliary movable positioning block is mounted on the limiting groove, holes are formed in two sides of the auxiliary movable positioning block, and a fixing hole is formed in the auxiliary movable positioning block;

be equipped with the support column in the spout, set up the entrance to a cave on the support column, and support column upper surface one side department sets up flutedly, and the clamp plate is installed at the support column top simultaneously, clamp plate one side is equipped with the part, and has seted up the fixed slot on the clamp plate, fixed slot one side is equipped with fixing bolt.

Preferably, the fixed groove is elliptical, and the inner surface of the fixed groove is coated with a layer of rust-proof coating.

The fixed slot is oval-shaped, so that the attractive appearance of the tool is improved, and meanwhile, the pressing plate can be conveniently adjusted and positioned.

Preferably, the pressing plate adopts a Z-shaped structural design, and four corners of the pressing plate adopt a chamfer structure.

The clamp plate adopts Z font structural design for this frock can avoid the cutter to interfere and guarantee sufficient clamp force.

Preferably, the clamp main body adopts an M16 bolt to be connected with a machine tool chuck or a flange plate, and is of a circular structural design, meanwhile, the clamp main body is manufactured by adopting a heat treatment process, and in addition, all parts of the clamp main body are assembled in a welding assembly mode.

The fixture main body is connected with the machine tool chuck or the flange plate through the M16 bolts, and the fixture main body is of a circular structural design, so that the fixture can be suitable for installation of different machine tools, and the applicability of the fixture is improved.

Preferably, the support column adopts rectangular structure, and the support column adopts hollow structural design, and the width of support column is slightly less than the width of spout simultaneously.

The support column adopts rectangular structure, and the support column adopts hollow structural design to improve the pleasing to the eye of this frock, can alleviate the structure dead weight simultaneously and be convenient for install.

Preferably, the hole adopts a rectangular shape, the corners of the hole adopt a chamfer structural design, and the hole adopts three groups to be respectively distributed on the front surface and the two side surfaces of the support column.

The entrance to a cave adopts rectangular, and entrance to a cave corner adopts chamfer structural design to improve the security of this frock.

Preferably, the auxiliary movable positioning block is rectangular, and the surface of the auxiliary movable positioning block is coated with a layer of rust-proof coating.

The auxiliary movable positioning block adopts a rectangular shape and can be used for adjusting the position in the limiting groove, so that the clamping and fixing stability of the part is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixture body is arranged on the front section of the bearing casing, the fixture body is welded and assembled, the sufficient strength is ensured, the weight of the fixture can be effectively reduced, the fixture is convenient to install, the fixture is connected with a machine tool chuck or a flange plate through M16 bolts, the fixture is applicable to machine tools of different models, the pressing plate is a Z-shaped pressing plate, the interference of a cutter can be avoided, the sufficient pressing force is ensured, the movable three-point positioning is convenient to adjust, the fixture can be repeatedly used for a long time through heat treatment, the product quality can be completely ensured, and the clamping and fixing of parts can be conveniently adjusted by the pressing plate and an auxiliary movable positioning block;

2. the Z-shaped pressing plate and the support column arranged on the front section finish machining clamp of the bearing casing can clamp parts, the groove formed in the support column can support and clamp the parts, stability of the parts in clamping and fixing is improved, displacement and movement of the parts during machining are avoided, and machining quality is affected.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is a schematic diagram of a front view of a platen according to the present utility model;

fig. 5 is a schematic top view of the auxiliary movable positioning block according to the present utility model.

In the figure: 1. a clamp body; 2. an auxiliary movable positioning block; 3. a limit groove; 4. a hole; 5. an opening; 6. a chute; 7. a fixing groove; 8. a pressing plate; 9. a part; 10. a support column; 11. a fixing bolt; 12. a fixing hole; 13. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the front-section finish machining clamp of the bearing casing comprises a clamp main body 1, an auxiliary movable positioning block 2, a limiting groove 3, a hole 4, a hole opening 5, a sliding groove 6, a fixing groove 7, a pressing plate 8, a part 9, a supporting column 10, a fixing bolt 11, a fixing hole 12 and a groove 13, wherein the sliding groove 6 and the limiting groove 3 are formed in the clamp main body 1, the clamp main body 1 is connected with a machine chuck or a flange plate through an M16 bolt, the clamp main body 1 is of a circular structural design, meanwhile, the clamp main body 1 is manufactured through a heat treatment process, in addition, the parts of the clamp main body 1 are assembled through a welding assembly mode, so that the tool has enough strength, meanwhile, the weight of the tool can be effectively reduced, the tool is convenient to install, the limiting groove 3 and the sliding groove 6 are distributed alternately, the auxiliary movable positioning block 2 is arranged on the limiting groove 3, the holes 4 are formed in two sides of the auxiliary movable positioning block 2, the fixing hole 12 is formed in the auxiliary movable positioning block 2, a rectangular shape is coated on the surface of the auxiliary movable positioning block 2, and the auxiliary movable positioning block 2 is coated with a rust-proof coating layer, and the service life of the auxiliary movable positioning block 2 is prolonged;

the support column 10 is arranged in the chute 6, the opening 5 is formed in the support column 10, the groove 13 is formed in one side of the upper surface of the support column 10, meanwhile, the pressing plate 8 is mounted at the top of the support column 10, the support column 10 is of a rectangular structure, the support column 10 is of a hollow structural design, meanwhile, the width of the support column 10 is slightly smaller than that of the chute 6, the support column 10 can slide in the chute 6 due to the fact that the width of the support column 10 is slightly smaller than that of the chute 6, the opening 5 is of a rectangular shape, corners of the opening 5 are of a chamfer structural design, three groups of openings 5 are respectively distributed on the front face and two side faces of the support column 10, the opening 5 is respectively distributed on the front face and the two side faces of the support column 10, structural dead weight is reduced, accordingly, parts 9 are arranged on one side of the pressing plate 8, fixing grooves 7 are formed in the pressing plate 8, the four corners of the pressing plate 8 are of a Z-shaped structural design, the four corners of the pressing plate 8 are of a chamfer structure, the fixing bolts 11 are arranged on one side of the fixing grooves 7, the fixing grooves 7 are of the four corners, the fixing grooves 7 are of the inner surfaces of the fixing grooves 7 are of the chamfering structure, the fixing grooves are coated with a chamfer 7, the inner surfaces of the fixing grooves 7 are coated, the inner surfaces of the fixing grooves are coated with the rust-resistant layers, and the service life of the rust-resistant surfaces are prolonged, and the service lives of the fixing grooves are prolonged.

Working principle: when the bearing case front section finish machining clamp is used, firstly, a part 9 is placed in the middle of a clamp main body 1, then a groove 13 on a support column 10 is formed by adjusting a support column 10 to clamp the edge of the part 9, then the position of a pressing plate 8 is adjusted to enable the pressing plate 8 to press the part 9, then the pressing plate 8 is fixed on the support column 10 through a fixing bolt 11, then the support column 10 is fixed in a sliding groove 6 through a bolt, then an auxiliary movable positioning block 2 is adjusted to enable the auxiliary movable positioning block 2 to carry out auxiliary clamping on the part 9, and then the auxiliary movable positioning block 2 is fixed through a fixing hole 12 through a bolt.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a load-carrying case anterior segment finish machining anchor clamps, includes anchor clamps main part (1) and recess (13), its characterized in that: the fixture is characterized in that a sliding groove (6) and a limiting groove (3) are formed in the fixture main body (1), the limiting groove (3) and the sliding groove (6) are distributed at intervals, an auxiliary movable positioning block (2) is mounted on the limiting groove (3), holes (4) are formed in two sides of the auxiliary movable positioning block (2), and a fixing hole (12) is formed in the auxiliary movable positioning block (2);

be equipped with support column (10) in spout (6), set up opening (5) on support column (10), and support column (10) upper surface one side department sets up fluted (13), clamp plate (8) are installed at support column (10) top simultaneously, clamp plate (8) one side is equipped with part (9), and has seted up fixed slot (7) on clamp plate (8), fixed slot (7) one side is equipped with fixing bolt (11).

2. The force receiver front end finishing clamp of claim 1, wherein: the fixing groove (7) is elliptical, and the inner surface of the fixing groove (7) is coated with a layer of rust-proof coating.

3. The force receiver front end finishing clamp of claim 1, wherein: the pressing plate (8) adopts a Z-shaped structural design, and four corners of the pressing plate (8) adopt a chamfer structure.

4. The force receiver front end finishing clamp of claim 1, wherein: the fixture body (1) is connected with a machine tool chuck or a flange plate by adopting an M16 bolt, the fixture body (1) is of a circular structural design, meanwhile, the fixture body (1) is manufactured by adopting a heat treatment process, and in addition, all parts of the fixture body (1) are assembled by adopting a welding assembly mode.

5. The force receiver front end finishing clamp of claim 1, wherein: the support column (10) adopts a rectangular structure, the support column (10) adopts a hollow structural design, and meanwhile, the width of the support column (10) is slightly smaller than that of the chute (6).

6. The force receiver front end finishing clamp of claim 1, wherein: the hole (5) is rectangular, the corners of the hole (5) are designed to be of a chamfer structure, and the hole (5) is distributed on the front face and the two side faces of the support column (10) respectively.

7. The force receiver front end finishing clamp of claim 1, wherein: the auxiliary movable positioning block (2) is rectangular, and a layer of rust-proof coating is coated on the surface of the auxiliary movable positioning block (2).