CN219310220U

CN219310220U - Broach device for processing inner surface of pipe fitting

Info

Publication number: CN219310220U
Application number: CN202320347390.4U
Authority: CN
Inventors: 刘乖军
Original assignee: Baoji Zhenghe Tiantuo Metal Technology Co ltd
Current assignee: Baoji Zhenghe Tiantuo Metal Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-07
Anticipated expiration: 2033-03-01

Abstract

The utility model provides a broach device for processing of pipe fitting internal surface belongs to machining device technical field. The tool bit is fixedly connected to one end of the tool bit and used for cutting the diameter of the inner hole of the pipe, and the tool bit connecting seat is fixed at a proper position on the tool bit and is fixedly connected with a tool holder on a machine tool to integrally fix the tool bit device. The utility model aims to realize the processing of the inner hole of the ultra-long pipe fitting, has simple structure and simple manufacture, and can rapidly and conveniently realize the processing of the pipe fitting with the nonstandard inner hole.

Description

Broach device for processing inner surface of pipe fitting

Technical Field

The utility model belongs to the technical field of machining devices, and particularly relates to a broach device for machining the inner surface of a pipe fitting.

Background

The pipe parts are internally provided with pipe holes, and the inner diameters of pipe holes of outsourced pipes are generally standard sizes. However, the requirements corresponding to different customers are different, and the inner hole of the standard cone pipe fitting purchased in the market cannot meet the requirements of some customers, and the proper inner hole pipe fitting cannot be purchased, so that the inner hole of the standard cone pipe fitting needs to be machined. The inner bore of the pipe is usually machined by boring, but for longer pipes, the boring cannot be finished due to the long pipe length. The present application thus addresses this problem by providing an apparatus for machining the bore of a tubular member.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a broach device for processing the inner surface of a pipe fitting, and aims to realize the processing of an inner hole of an ultra-long pipe fitting.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a broach device for pipe fitting internal surface processing, including broach pole, broach head and broach connecting seat, the broach pole is used for lining up and passes the pipe fitting hole, broach head fixed connection is in broach pole one end and is used for carrying out cutting process to pipe fitting hole diameter, the broach connecting seat is fixed suitable position on the broach pole and is fixed the broach device whole with blade holder fixed connection on the lathe.

In a preferred mode of the scheme, the broaching tool head comprises a broaching tool head body, a broaching tool blade and a broaching tool head connecting section, wherein the broaching tool blade is arranged on the cylindrical surface of the broaching tool head body, the broaching tool head connecting section is coaxially fixed at one end of the broaching tool head body, and the broaching tool head connecting section is coaxially and fixedly connected with one end of the broaching tool rod; the broach head body and the broach head connecting section are internally provided with a cooling liquid waterway in the tool bit, a cooling liquid outlet is further formed in the cylindrical surface of the broach head body, the cooling liquid outlet is communicated with the cooling liquid waterway in the tool bit, the broach rod is internally provided with the cooling liquid waterway in the tool bit, and the cooling liquid waterway in the tool bit is communicated with the cooling liquid waterway in the tool bit.

In the preferable mode of the scheme, the broach blade is provided with a plurality of cylindrical surfaces which are circumferentially and uniformly distributed on the broach head body.

In the preferable mode of the scheme, the cooling liquid outlets are arranged on the cylindrical surface of the broach head body in a plurality of circumferentially uniformly distributed mode and are communicated with the cooling liquid waterway in the broach head.

For the preferable mode of the scheme, the broach head connecting section on the broach head is fixedly connected with the broach rod through a thread structure, the outer surface of the broach head connecting section is provided with external connecting threads, the corresponding end of the broach rod is provided with internal connecting threads, and a sealing gasket is sleeved when the broach head connecting section and the broach rod are screwed.

In the preferable mode of the scheme, the broach connecting seat comprises a broach rod connecting sleeve, the broach rod connecting sleeve is fixedly sleeved outside the broach rod, and a tool rest connecting plate fixedly connected with a tool rest of the machine tool is fixedly arranged on one side of the broach rod connecting sleeve.

In the preferable mode of the scheme, the broach rod connecting sleeve is fixedly connected with the broach rod top through a top tightening screw.

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

this scheme forms the broach structure that is used for processing pipe fitting internal surface through broach pole, broach head and broach connecting seat combination, because the length of broach pole can be according to the preparation of requirement, during the use, pass the pipe fitting hole with the broach pole, stretch out and fixed connection broach head in broach pole one end, then whole device passes through broach connecting seat and the knife rest fixed connection on the lathe, the work piece is tight through the lathe main shaft, along with the rotation of work piece, and broach device along with the removal of knife rest on the lathe track, realize the processing to overlength pipe fitting hole, this simple structure, manufacturing is simple, can be quick convenient realization to the processing of nonstandard hole pipe fitting.

Drawings

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

FIG. 2 is an enlarged schematic view of the connecting structure of the broaching bit and the broaching rod in the present utility model;

FIG. 3 is a schematic view of a slider according to the present utility model;

fig. 4 is a schematic structural view of a broach attachment seat according to the present utility model.

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.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-4, embodiments of the present utility model are described in detail.

Examples: the broach device for processing the inner surface of a pipe fitting is shown in fig. 1, and comprises a broach rod 1, a broach head 2 and a broach connecting seat 3, wherein the broach rod 1 is used for penetrating through an inner hole of the pipe fitting, the broach head 2 is fixedly connected with one end of the broach rod 1 and is used for cutting the diameter of the inner hole of the pipe fitting, and the broach connecting seat 3 is fixed at a proper position on the broach rod 1 and is fixedly connected with a tool apron on a machine tool to integrally fix the broach device.

In this embodiment, a broach structure for processing the inner surface of a pipe is formed by combining a broach rod 1, a broach head 2 and a broach connecting seat 3, because the length of the broach rod 1 can be manufactured according to needs, when in use, the broach rod 1 penetrates through the inner hole of the pipe, one end of the broach rod 1 stretches out and is fixedly connected with the broach head 2, then the whole device is fixedly connected with a tool rest on a machine tool through the broach connecting seat 3, a workpiece is clamped through a machine tool spindle, and the broach device moves on a machine tool track along with the tool rest along with the rotation of the workpiece, so that the processing of the inner hole of the ultra-long pipe is realized.

In an embodiment, as shown in fig. 2, the broach head 2 includes a broach head body 2-1, a broach blade 2-2 and a broach head connecting section 2-3, the broach blade 2-2 is disposed on a cylindrical surface of the broach head body 2-1, the broach head connecting section 2-3 is coaxially fixed at one end of the broach head body 2-1, and the broach head connecting section 2-3 is coaxially and fixedly connected with one end of the broach rod 1; the broach head body 2-1 and the broach head connecting section 2-3 are internally provided with a cooling liquid waterway 2-5 in the tool bit, a cooling liquid outlet 2-6 is further formed in the cylindrical surface of the broach head body 2-1, the cooling liquid outlet 2-6 is communicated with the cooling liquid waterway 2-5 in the tool bit, the broach rod 1 is internally provided with a cooling liquid waterway in a tool rod, and the cooling liquid waterway in the tool rod is communicated with the cooling liquid waterway 2-5 in the tool bit. The design of coolant water route can guarantee the broach reduce temperature when cutting, prevents to warp.

In one embodiment, as shown in fig. 3, the broaching edge 2-2 is provided with a plurality of broaching edges and is circumferentially distributed on the cylindrical surface of the broaching head body 2-1. The evenly arranged blade structure ensures the stability and uniformity of workpiece processing, and improves the product processing quality.

In an embodiment, as shown in fig. 3, the cooling liquid outlets 2-6 are provided with a plurality of cooling liquid water paths 2-5 which are circumferentially and uniformly distributed on the cylindrical surface of the broach head body 2-1 and are communicated with the cooling liquid water paths in the broach head. The uniformity of the flow of the cooling liquid is guaranteed, and a uniform cooling effect is realized on the processing of the workpiece.

In an embodiment, as shown in fig. 2, a broach head connecting section 2-3 on the broach head 2 is fixedly connected with the broach rod 1 through a threaded structure, an external connecting thread 2-4 is arranged on the outer surface of the broach head connecting section 2-3, an internal connecting thread 1-1 is arranged at the corresponding end of the broach rod 1, and a sealing gasket 4 is sleeved when the broach head connecting section 2-3 is screwed with the broach rod 1. The structure realizes the quick and convenient installation of the broach head, and has simple structure and convenient operation.

In an embodiment, as shown in fig. 4, the broach connecting seat 3 includes a broach rod connecting sleeve 3-1, the broach rod connecting sleeve 3-1 is fixedly sleeved outside the broach rod 1, and a tool rest connecting plate 3-3 fixedly connected with a tool rest of a machine tool is fixedly arranged on one side of the broach rod connecting sleeve 3-1. The device is convenient for stable connection on the tool rest of the machine tool, and convenient for disassembly and assembly.

Preferably, the broach rod connecting sleeve 3-1 is fixedly connected with the broach rod 1 in a jacking manner through the jacking screw 3-2. The broach connecting seat 3 is convenient to mount and dismount on the broach rod 1, and is also convenient to mount the broach rod in a workpiece.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Broach device for processing inner surface of pipe fitting, characterized in that: the novel pipe fitting cutting tool comprises a broach rod (1), a broach head (2) and a broach connecting seat (3), wherein the broach rod (1) is used for penetrating through an inner hole of a pipe fitting, the broach head (2) is fixedly connected with one end of the broach rod (1) and is used for cutting the diameter of the inner hole of the pipe fitting, and the broach connecting seat (3) is fixed at a proper position on the broach rod (1) and is integrally fixed with a tool apron fixed connection on a machine tool.

2. A broaching apparatus for use in the internal surface machining of pipe elements according to claim 1, wherein: the broach head (2) comprises a broach head body (2-1), a broach blade (2-2) and a broach head connecting section (2-3), wherein the broach blade (2-2) is arranged on the cylindrical surface of the broach head body (2-1), the broach head connecting section (2-3) is coaxially fixed at one end of the broach head body (2-1), and the broach head connecting section (2-3) is coaxially and fixedly connected with one end of the broach rod (1); the broach head comprises a broach head body (2-1) and a broach head connecting section (2-3), wherein a cooling liquid waterway (2-5) in the broach head is arranged inside the broach head body, a cooling liquid outlet (2-6) is further formed in the cylindrical surface of the broach head body (2-1), the cooling liquid outlet (2-6) is communicated with the cooling liquid waterway (2-5) in the broach head, a cooling liquid waterway in a cutter rod is arranged inside the broach rod (1), and the cooling liquid waterway in the cutter rod is communicated with the cooling liquid waterway (2-5) in the cutter head.

3. A broaching apparatus for use in the internal surface working of pipe elements according to claim 2, wherein: the broach cutting edge (2-2) is provided with a plurality of cylindrical surfaces which are circumferentially and uniformly distributed on the broach head body (2-1).

4. A broaching apparatus for use in the internal surface working of pipe elements according to claim 2, wherein: the cooling liquid outlets (2-6) are provided with a plurality of cooling liquid waterways (2-5) which are circumferentially and uniformly distributed on the cylindrical surface of the broach head body (2-1) and are communicated with the cooling liquid waterways in the broach head.

5. A broaching apparatus for use in the internal surface working of pipe elements according to claim 2, wherein: the broach head connecting section (2-3) on the broach head (2) is fixedly connected with the broach rod (1) through a threaded structure, external connecting threads (2-4) are arranged on the outer surface of the broach head connecting section (2-3), internal connecting threads (1-1) are arranged at the corresponding end of the broach rod (1), and a sealing gasket (4) is sleeved when the broach head connecting section (2-3) and the broach rod (1) are screwed.

6. A broaching apparatus for use in the internal surface machining of pipe elements according to claim 1, wherein: the broach connecting seat (3) comprises a broach rod connecting sleeve (3-1), the broach rod connecting sleeve (3-1) is fixedly sleeved outside the broach rod (1), and a tool rest connecting plate (3-3) fixedly connected with a tool rest of a machine tool is fixedly arranged on one side of the broach rod connecting sleeve (3-1).

7. A broaching apparatus for use in the internal surface machining of pipe elements according to claim 6, wherein: the broach rod connecting sleeve (3-1) is fixedly connected with the broach rod (1) in a jacking mode through a jacking screw (3-2).