CN219464839U - Tooling for processing fish-eye pits of flange bolt holes - Google Patents

Abstract

The utility model discloses a flange bolt hole fish hole pit processing tool, which belongs to the field of flange bolt hole fish hole pit processing and comprises a radial drilling machine main body, wherein a tool handle is arranged at the driving end of the radial drilling machine main body through a clamp, a tool bit is arranged on the outer wall of one end of the tool handle, a first rest block is fixedly arranged at the top end of a construction table of the radial drilling machine main body, a second rest block is fixedly arranged at the top end of the radial drilling machine main body, a flange body is arranged at the top end of the first rest block, a screw is fixedly arranged at the top end of the radial drilling machine main body, and a clamping block is sleeved on the outer side of the screw.

Description

Tooling for processing fish-eye pits of flange bolt holes

Technical Field

The utility model relates to the field of flange bolt hole fish-eye pit processing, in particular to a flange bolt hole fish-eye pit processing tool.

Background

Flanges, also known as flange collars or lugs. The flange is a part for connecting the shafts and is used for connecting the pipe ends; there are also flanges for use on the equipment access ports for connection between two equipment, such as speed reducer flanges. The flange connection or the flange joint refers to detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange refers to a flange for a piping in a pipeline device, and is used on equipment to refer to an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected by bolts. The flanges are sealed by gaskets. The flange is divided into a threaded connection (screw connection) flange, a welding flange and a clamping flange, wherein the back of a bolt hole of the flange is provided with a fish eye pit with the depth of 0.8-3mm and the bottom of the fish eye pit is in a regular cylinder shape in the current standard of petrochemical engineering steel pipe flange SH/T3406-2013 in China.

Based on the above, the present inventors found that: in general, a common cylindrical milling cutter is adopted on a boring machine or a milling machine for flange processing, and the milling machine or the boring machine needs to be aligned with a bolt hole during processing, is concentric with the bolt hole, has complex processing technology and lower efficiency, such as higher batch processing production cost and longer period, so that research and improvement are carried out on the existing structure in view of the fact, and the purpose of more practical value is achieved.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide a tooling for processing the fish-eye pits of the flange bolt holes, which can be directly arranged on a manual rocker arm drilling machine, control the outer diameter of a cutter handle extending out of the lower part of a cutter head, form clearance fit with a flange bolt, effectively perform concentric circle alignment, and can be used for cutting after the cutter head contacts with a flange plate, thereby improving the processing efficiency and reducing the processing cost.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a flange bolt hole fish hole processing frock, includes the radial drill main part, the handle of a knife is installed through anchor clamps to the drive end of radial drill main part, the outer wall of handle of a knife one end is provided with the tool bit, the top fixed mounting of radial drill main part construction table has a pair of piece one of shelving, the top fixed mounting of radial drill main part has a piece two of shelving, a pair of place the top of piece one and install the flange body, the top fixed mounting of radial drill main part has the screw rod, the grip block has been cup jointed in the outside of screw rod, the one end of screw rod has fastening nut through threaded connection, the screw hole has evenly been seted up in the outside of flange body.

Further, the first and second placing blocks are symmetrical in position, and the screw is located between the first and second placing blocks.

Further, the outer wall of clamping block one end closely laminates with the outer wall of flange body, just the one end of fastening nut closely laminates with the outer wall of clamping block.

Further, one end of the tool shank is inserted and mounted in the flange body, and the tool bit is attached to the edge of the opening of the threaded hole.

Further, the outer wall of the tool handle is provided with a mounting groove, and the tool bit is inserted into the mounting groove.

Further, the fixed slot has been seted up to the one end of mounting groove inner wall, the inside block in fixed slot is connected with the connecting block, just the one end of connecting block and the one end fixed welding of tool bit.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the scheme, through setting up the handle of a knife, tool bit and grip block, generally, adopt ordinary cylindrical milling cutter to carry out the method of processing on boring machine or the milling machine, complicated processes such as alignment and tool setting are needed before processing, and boring machine or milling machine machining efficiency is lower, use cost is high, through radial drill main part as the carrier, manual operation, only need penetrate the screw hole on the lower extreme alignment flange body of handle of a knife during processing, need not the tool setting, need not the marking off, simultaneously the device simple structure, the preparation is convenient, the usability is strong, the fisheye pit of multiple specification flange body is processed to the length of accessible regulation tool bit simultaneously, thereby great improvement the machining efficiency of structure, the cost is reduced.

Drawings

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

FIG. 2 is a perspective exploded view of a clamping structure according to the present utility model;

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

fig. 4 is an enlarged schematic view of a partial structure at a in fig. 3 according to the present utility model.

The reference numerals in the figures illustrate:

1. a radial drilling machine main body; 2. a knife handle; 3. a cutter head; 4. the first shelving block is arranged; 5. a second placing block; 6. a flange body; 7. a screw; 8. a clamping block; 9. a fastening nut; 10. a threaded hole; 11. a mounting groove; 12. a fixing groove; 13. and (5) connecting a block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a flange bolt hole fish hole pit processing tool comprises a radial drilling machine main body 1, a tool holder 2 is installed at the driving end of the radial drilling machine main body 1 through a clamp, a tool bit 3 is arranged on the outer wall of one end of the tool holder 2, a pair of first shelving blocks 4 are fixedly installed at the top end of a construction table of the radial drilling machine main body 1, a second shelving block 5 is fixedly installed at the top end of the radial drilling machine main body 1, a flange body 6 is installed at the top end of the first shelving block 4 in a placing mode, a screw rod 7 is fixedly installed at the top end of the radial drilling machine main body 1, a clamping block 8 is sleeved on the outer side of the screw rod 7, a fastening nut 9 is connected to one end of the screw rod 7 through threads, threaded holes 10 are evenly formed in the outer side of the flange body 6, the fish hole pit can be processed through the flange body 6 according to the extending length of the tool bit 3 adjusted according to the diameter of the fish hole pit, processing efficiency is greatly improved, and cost is reduced.

Referring to fig. 1 and 2, the positions of a pair of first shelving block 4 and second shelving block 5 are symmetrical to each other, and a screw 7 is positioned between the first shelving block 4 and the second shelving block 5; the outer wall of grip block 8 one end closely laminates with the outer wall of flange body 6, and the one end of fastening nut 9 closely laminates with the outer wall of grip block 8, utilizes grip block 8 can be with the firm top of being fixed in radial drill main part 1 construction table of flange body 6.

Referring to fig. 3 and 4, one end of the tool shank 2 is inserted and mounted into the flange body 6, and the tool bit 3 is attached to the edge of the opening of the threaded hole 10; the outer wall of the cutter handle 2 is provided with a mounting groove 11, and the cutter head 3 is inserted into the mounting groove 11; the fixed slot 12 has been seted up to the one end of mounting groove 11 inner wall, and the inside block of fixed slot 12 is connected with connecting block 13, and the one end of connecting block 13 and the one end fixed welding of tool bit 3 for tool bit 3 can remove in the inside of mounting groove 11 through pulling tool bit 3, thereby can adjust the length of tool bit 3.

When in use: firstly, assembling a cutter handle 2 and a cutter head 3, then clamping the upper end of the cutter handle 2 on a clamp of a radial drilling machine main body 1, then placing a flange body 6 with a fish eye with an upward pit on the top end of a first placing block 4, sleeving a clamping block 8 on a screw rod 7, simultaneously tightly attaching the bottom end of the clamping block 8 to the top end of the flange body 6, then screwing a fastening nut 9, firmly fixing the flange body 6 on the top end of the first placing block 4 by the clamping block 8, then extending the lower end of the cutter handle 2 into a threaded hole 10 on the flange body 6 after the radial drilling machine main body 1 is started by a worker, ensuring that the cutter head 3 is concentric with the threaded hole 10, controlling the rotating speed and the feeding amount according to the processing requirement, and retracting the cutter with the size meeting the requirements.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a flange bolt hole fish eye hole processing frock, includes radial drill main part (1), its characterized in that: the utility model discloses a radial drilling machine, including radial drilling machine main part (1), handle of a knife (2) is installed through anchor clamps to the drive end of radial drilling machine main part (1), the outer wall of handle of a knife (2) one end is provided with tool bit (3), the top fixed mounting of radial drilling machine main part (1) construction table has a pair of first (4) of shelving, the top fixed mounting of radial drilling machine main part (1) has shelved piece two (5), a pair of the top of shelving piece one (4) is placed and is installed flange body (6), the top fixed mounting of radial drilling machine main part (1) has screw rod (7), grip block (8) have been cup jointed in the outside of screw rod (7), the one end of screw rod (7) has fastening nut (9) through threaded connection, screw hole (10) have evenly been seted up in the outside of flange body (6).

2. The tooling for machining the fish-eye pits of the flange bolt holes, according to claim 1, is characterized in that: the first shelving block (4) and the second shelving block (5) are symmetrically positioned, and the screw (7) is positioned between the second shelving block (5) and the first shelving block (4).

3. The tooling for machining the fish-eye pits of the flange bolt holes, according to claim 1, is characterized in that: the outer wall of clamping block (8) one end closely laminates with the outer wall of flange body (6), just the one end of fastening nut (9) closely laminates with the outer wall of clamping block (8).

4. The tooling for machining the fish-eye pits of the flange bolt holes, according to claim 1, is characterized in that: one end of the knife handle (2) is inserted and mounted in the flange body (6), and the knife head (3) is attached to the edge of the opening of the threaded hole (10).

5. The tooling for machining the fish-eye pits of the flange bolt holes, according to claim 1, is characterized in that: the outer wall of the knife handle (2) is provided with a mounting groove (11), and the knife head (3) is inserted into the mounting groove (11).

6. The tooling for machining the fish-eye pits of the flange bolt holes, disclosed by claim 5, is characterized in that: a fixing groove (12) is formed in one end of the inner wall of the mounting groove (11), a connecting block (13) is connected in a clamping mode in the fixing groove (12), and one end of the connecting block (13) is fixedly welded with one end of the cutter head (3).