CN220127650U - Flange reaming positioning fixture - Google Patents

Abstract

The utility model discloses a flange reaming positioning fixture, which relates to the technical field of machining and comprises a base, wherein a rotary seat is arranged above the base, a fixed block and a movable block are arranged on two sides above the rotary seat, clamping blocks are arranged in front of the fixed block and the movable block, an eccentric block is arranged behind the movable block, a supporting frame is fixed on the side of the base, a positioning plate is arranged above the supporting frame, positioning holes and guide holes are distributed above the positioning plate, and positioning pins penetrate through the positioning holes. The utility model has compact overall design structure and very simple operation, the whole clamp is fixed on a platform of drilling machine equipment through the base, then a workpiece to be processed is placed on the rotary seat, the movable block is extruded by the eccentric block to realize the opposite clamping of the two clamping blocks to the workpiece, then one hole is drilled at will, then indexing positioning is realized by the positioning pin, and the drilling is performed by analogy.

Description

Flange reaming positioning fixture

Technical Field

The utility model relates to the technical field of machining, in particular to a flange reaming positioning clamp.

Background

The Flange (Flange) is also called Flange plate or Flange. A flange is a part that interconnects the pipe with the pipe and with the valve, and is attached to the pipe end. The flanges are provided with holes, the two flanges are tightly connected by bolts, the flanges are sealed by gaskets, and the flanges are connected with the welding flange and the cutting sleeve flange in a threaded manner. The flange drilling or reaming process needs to be processed at the middle shaft of the flange to be processed, but the existing equipment needs to manually support the flange to be processed in the processing process, and the drill bit and the flange have a certain distance and cannot be completely symmetrical with the center point, so that the arrangement is time-consuming and labor-consuming, and can cause the damage and waste of resources, for example, the flange drilling tooling of the patent CN202223355428.7 can solve the problems, but the centering process is always very complicated, and the efficiency can be improved by adopting an indexing interval positioning method, so that the flange reaming positioning clamp is provided.

Disclosure of Invention

The utility model aims to provide a flange reaming positioning clamp for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flange reaming positioning fixture comprises a base, the top of base is equipped with the swivel mount, the top both sides of swivel mount are equipped with fixed block and movable block, the place ahead of fixed block and movable block all is equipped with the clamp block, the rear of movable block is equipped with eccentric block, the side of base is fixed with the support frame, the top of support frame is equipped with the locating plate, locating hole and guide hole have been distributed to the top of locating plate, wear to have the locating pin in the locating hole.

Further: the rotary seat comprises a rotary table, a rotary shaft is arranged below the rotary table and is inserted in the middle of the base, strip-shaped holes are formed in two sides of the movable block, limiting pins are arranged in the strip-shaped holes, the lower portions of the limiting pins are inserted on the rotary table, the eccentric blocks are limited above the rotary table through bolts, and handle bars are inserted on the sides of the eccentric blocks.

Preferably: the head of fixed block and movable block all is equipped with T type groove, the movable block head and tail is V type piece and T type piece respectively, and T type piece can insert T type inslot, and the both sides of fixed block pass through the screw fixation on the swivel mount.

Preferably: the guide sleeve is arranged in the positioning hole and the guide hole.

Preferably: and mounting holes are uniformly distributed on the outer edge of the base.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has compact overall design structure and very simple operation, the whole clamp is fixed on a platform of drilling machine equipment through the base, then a workpiece to be processed is placed on the rotary seat, the movable block is extruded by the eccentric block to realize the opposite clamping of the workpiece by the two clamping blocks, then reaming is carried out, the indexing positioning of the existing hole is realized by the locating pin, and the reaming is carried out by analogy.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of A-A;

FIG. 4 is a bottom view of the present utility model;

FIG. 5 is a schematic diagram of a flange work piece;

FIG. 6 is a diagram illustrating the operation of the present utility model.

In the figure: 1. the device comprises a base, 2, a swivel base, 3, a clamping block, 4, a fixed block, 5, a movable block, 6, an eccentric block, 7, a supporting frame, 8, a positioning plate, 9, a positioning hole, 10, a guide hole, 11, a positioning pin, 12, a guide sleeve, 13, a mounting hole, 21, a turntable, 22, a limiting pin, 23, a rotating shaft, 31, a V-shaped block, 32, a T-shaped block, 51 and a strip-shaped hole.

Detailed Description

The present utility model will be described below based on embodiments with reference to the accompanying drawings in the embodiments of the present utility model, but it should be understood that the present utility model is not limited to these embodiments, and in the following detailed description of the present utility model, some specific details are described in detail, however, for the portions not described in detail, the present utility model will be fully understood by those skilled in the art.

Furthermore, those of ordinary skill in the art will appreciate that the drawings are provided solely for the purposes of illustrating the objects, features, and advantages of the utility model and that the drawings are not necessarily drawn to scale.

Meanwhile, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".

Referring to fig. 1-6, the present utility model provides a technical solution: including base 1, the top of base 1 is equipped with swivel mount 2, the top both sides of swivel mount 2 are equipped with fixed block 4 and movable block 5, the place ahead of fixed block 4 and movable block 3 all is equipped with presss from both sides tight piece 3, the rear of movable block 5 is equipped with eccentric block 6, the side of base 1 is fixed with support frame 7, the top of support frame 7 is equipped with locating plate 8, the top of locating plate 8 distributes and has locating hole 9 and guide hole 10, wear to have locating pin 11 in the locating hole 9.

The rotary seat 2 comprises a rotary table 21, a rotary shaft 23 is arranged below the rotary table 21, the rotary shaft 23 is inserted in the middle of the base 1, strip-shaped holes 51 are formed in two sides of the movable block 5, limiting pins 22 are arranged in the strip-shaped holes 51, the lower portions of the limiting pins 22 are inserted on the rotary table 21, the eccentric blocks 6 are limited above the rotary table 21 through bolts, and handle bars are inserted on the sides of the eccentric blocks 6.

The heads of the fixed block 4 and the movable block 5 are respectively provided with a T-shaped groove, the heads and the tails of the movable block 3 are respectively a V-shaped block 31 and a T-shaped block 32, the T-shaped blocks 32 can be inserted into the T-shaped grooves, and the two sides of the fixed block 4 are fixed on the swivel base 2 through screws.

The positioning hole 9 and the guide hole 10 are internally provided with a guide sleeve 12.

The outer edge of the base 1 is uniformly provided with mounting holes.

When the utility model is used, the utility model firstly needs to be fixed on a platform of drilling machine equipment (rocker arm drill and the like) through bolts and nuts by utilizing the mounting holes 13, which is not repeated in the prior art in the industry, the drill bit is guaranteed to be opposite to the guide hole 10, after the whole clamp is installed, a flange workpiece is placed on the rotary table 21 in a reverse mode, then the eccentric block 6 is utilized to apply force to the movable block 5, the two clamping blocks 3 clamp the workpiece, the drilling work is started, the drill bit expands the first hole of the workpiece through the guide sleeve 12, the positioning pin 11 beside the hole expansion is inserted into the existing hole to rotate the limiting rotary table 21, and the like, so that indexing drilling processing is realized, the positioning plate 8 is provided with a plurality of positioning holes 9 and the guide hole 10 to adapt to workpiece processing with different diameters, the effective clamping is realized by replacing the clamping blocks 3, the handle bar beside the eccentric block 6 is detachable, the whole operation is very simple, the structure is compact, the size is accurate, and the utility model is suitable for most drilling machine equipment, and the universality is strong.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Flange reaming positioning fixture, its characterized in that: including base (1), the top of base (1) is equipped with swivel mount (2), the top both sides of swivel mount (2) are equipped with fixed block (4) and movable block (5), the place ahead of fixed block (4) and movable block (3) all is equipped with presss from both sides tight piece (3), the rear of movable block (5) is equipped with eccentric block (6), the side of base (1) is fixed with support frame (7), the top of support frame (7) is equipped with locating plate (8), the top of locating plate (8) distributes and has locating hole (9) and guide hole (10), wear to have locating pin (11) in locating hole (9).

2. The flange reaming positioning fixture of claim 1, further comprising: the rotary seat (2) comprises a rotary table (21), a rotary shaft (23) is arranged below the rotary table (21), the rotary shaft (23) is inserted in the middle of the base (1), strip-shaped holes (51) are formed in two sides of the movable block (5), a limiting pin (22) is arranged in each strip-shaped hole (51), the lower portion of each limiting pin (22) is inserted on the rotary table (21), the eccentric block (6) is limited above the rotary table (21) through a bolt, and a handle rod is inserted on the side of the eccentric block (6).

3. The flange reaming positioning fixture of claim 1, further comprising: the head of fixed block (4) and movable block (5) all are equipped with T type groove, movable block (3) head and tail are V type piece (31) and T type piece (32) respectively, and T type piece (32) can insert T type inslot, and the both sides of fixed block (4) are fixed on swivel mount (2) through the screw.

4. The flange reaming positioning fixture of claim 1, further comprising: the guide sleeve (12) is arranged in the positioning hole (9) and the guide hole (10).

5. The flange reaming positioning fixture of claim 1, further comprising: the outer edge of the base (1) is uniformly provided with mounting holes.