CN211889262U

CN211889262U - Inner-cooling step reamer

Info

Publication number: CN211889262U
Application number: CN201922378026.0U
Authority: CN
Inventors: 蒋利君; 王练; 郑常盖
Original assignee: Changzhou Fulte Tools Co ltd
Current assignee: Changzhou Fulte Tools Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-10
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an interior cold step reamer, including first reamer post, first pair of interface, second to interface, oil groove, second reamer post, butt joint post, reamer sword, bayonet socket, first oil-out and second oil-out. The utility model has the advantages that: first reamer post, the second reamer post, the butt joint post, the reamer sword constitutes this interior cold step reamer's major structure jointly, and the total length is 170mm, specific length through the combination formula, reach the service length standard of step reamer, the gradient of bayonet socket is 70 degrees, through specific precision, guarantee cutting accuracy, the diameter of reaming cutting edge is 8.5mm, reach the cutting hole diameter of standard, first reamer post, the second reamer post, the inside of butt joint post is provided with the cavity pipeline, and on a straight line, guarantee having a perfect understanding of fluid smoothly, first oil-out and second oil-out all link up with the oil groove through the cavity pipeline, guarantee that fluid can be smooth when this step reamer during operation overflows.

Description

Inner-cooling step reamer

Technical Field

The utility model relates to a step reamer specifically is an interior cold step reamer belongs to cutting tool technical field.

Background

The reamer is a rotary tool with one or more cutter teeth for cutting off a thin layer of metal on the surface of a processed hole, the reamer is a rotary finish machining tool with a straight edge or a spiral edge and is used for reaming or repairing the hole, the machining precision of the reamer is generally higher than that of a drill bit due to less cutting amount, the reamer can be manually operated or mounted on a drill machine to work, the reamer is used for reaming the drilled (or reamed) processed hole on a workpiece, the reamer is mainly used for improving the machining precision of the hole and reducing the roughness of the surface of the hole, the reamer is a tool for finish machining and semi-finish machining of the hole, the machining allowance is generally small, the reamer used for machining a cylindrical hole is commonly used, the reamer used for machining the tapered hole is a tapered reamer and is less used, a manual reamer and a machine reamer are seen according to the use condition, the machine reamer can be divided into a straight shank reamer and a tapered shank reamer, and the hand reamer is of a.

Therefore, an inner-cooling step reamer is needed to meet the requirements on the market at present, and although various step reamers are produced on the market at present, a lot of common defects still exist in the market at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior cold step reamer in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an inner-cooling step reamer comprises a first reamer column, a first pair of interfaces, a second pair of interfaces, an oil groove, a second reamer column, a butt joint column, a reamer blade, a bayonet, a first oil outlet and a second oil outlet; the first reamer column is located at a right side port of the second reamer column, the first pair of interfaces are fixed at the tail end of the first reamer column, the second pair of interfaces are located below the first pair of interfaces, the oil groove is located at the tail end of the first reamer column, the oil groove is located between the first pair of interfaces and the second pair of interfaces, the second reamer column is located between the first reamer column and the docking column, the docking column is fixed at the left end of the second reamer column, the reamer blade is located at a left side end point of the docking column, the bayonet is arranged on the docking column, the first oil outlet is arranged on a blade side wall above the reamer blade, and the second oil outlet is arranged on a blade side wall below the reamer blade.

Preferably, in order to reach the standard of the used length of the step reamer, the first reamer column, the second reamer column, the butt joint column and the reamer blade jointly form the main structure of the internal-cooling step reamer, and the total length is 170 mm.

Preferably, in order to ensure cutting accuracy, the inclination of the bayonet is 70 degrees.

Preferably, the diameter of the reamer blade is 8.5mm in order to achieve a standard cutting hole diameter.

Preferably, in order to ensure smooth penetration of oil, hollow pipelines are arranged inside the first reamer column, the second reamer column and the butt joint column and are on the same straight line.

Preferably, in order to ensure that oil can smoothly overflow when the step reamer works, the first oil outlet and the second oil outlet are communicated with the oil groove through hollow pipelines.

The utility model has the advantages that: this step reamer reasonable in design, first reamer post, second reamer post, docking post, the reamer sword constitutes the major structure of this interior cold step reamer jointly, and total length is 170mm, specific length through the combination formula, reach the service length standard of step reamer, the gradient of bayonet socket is 70 degrees, through specific precision, guarantee cutting accuracy, the diameter of reamer sword is 8.5mm, reach the cutting hole diameter of standard, first reamer post, second reamer post, the inside of docking post is provided with the cavity pipeline, and on a straight line, guarantee smooth lining up of fluid, first oil-out and second oil-out all are through cavity pipeline and oil groove through connection, guarantee that fluid can be smooth overflowing when this step reamer during operation.

Drawings

Fig. 1 is an overall three-dimensional schematic diagram of the present invention;

FIG. 2 is a schematic view of a portion A of the present invention;

FIG. 3 is a schematic view of a portion B of the present invention;

FIG. 4 is a top sectional view of the present invention, section C-C;

fig. 5 is a bottom schematic view of the present invention.

In the figure: 1. first reamer post, 2, first to interface, 3, second to interface, 4, oil groove, 5, second reamer post, 6, butt joint post, 7, reamer sword, 8, bayonet socket, 9, first oil-out and 10, second oil-out.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, an internal-cooling step reamer includes a first reamer column 1, a first pair of connectors 2, a second pair of connectors 3, an oil groove 4, a second reamer column 5, a docking column 6, a reamer blade 7, a bayonet 8, a first oil outlet 9 and a second oil outlet 10; the first reamer column 1 is located at a right side port of a second reamer column 5, the first pair of interfaces 2 is fixed at the tail end of the first reamer column 1, the second pair of interfaces 3 is located below the first pair of interfaces 2, the oil groove 4 is located at the tail end of the first reamer column 1, the oil groove 4 is located between the first pair of interfaces 2 and the second pair of interfaces 3, the second reamer column 5 is located between the first reamer column 1 and the docking column 6, the docking column 6 is fixed at the left end of the second reamer column 5, the reamer blade 7 is located at a left side end point of the docking column 6, the bayonet 8 is arranged on the docking column 6, the first oil outlet 9 is arranged on a blade side wall above the reamer blade 7, and the second oil outlet 10 is arranged on a lower side wall of the reamer blade 7.

First reamer post 1, second reamer post 5, docking post 6, reamer edge 7 constitute this interior cold step reamer's major structure jointly, and the total length is 170mm, through the specific length of combination formula, reaches the use length standard of step reamer, bayonet socket 8's gradient is 70 degrees, through specific precision, guarantees cutting accuracy, reamer edge 7's diameter is 8.5mm, reaches the cutting hole diameter of standard, the inside of first reamer post 1, second reamer post 5, docking post 6 is provided with the cavity pipeline, and on a straight line, guarantees smooth the lining up of fluid, first oil-out 9 and second oil-out 10 all link up with oil groove 4 through the cavity pipeline, guarantee that fluid can be smooth when this step reamer during operation overflows.

The working principle is as follows: when the step reamer is used, the external oil groove connecting pipe orifice and the oil groove 4 are buckled and butted through the first pair of interfaces 2 and the second pair of interfaces 3, the first reamer column 1 and the external connecting rotating rod are fixed, and when the step reamer works, the first oil outlet 9 and the second oil outlet 10 discharge liquid through the oil groove 4 to be cleaned and the step reamer is cooled.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an interior cold step reamer which characterized in that: the oil groove type reamer comprises a first reamer column (1), a first pair of interfaces (2), a second pair of interfaces (3), an oil groove (4), a second reamer column (5), a butt joint column (6), a reamer blade (7), a bayonet (8), a first oil outlet (9) and a second oil outlet (10); the first reamer column (1) is located at a right side port of a second reamer column (5), the first pair of interfaces (2) is fixed at the tail end of the first reamer column (1), the second pair of interfaces (3) is located below the first pair of interfaces (2), the oil groove (4) is located at the tail end of the first reamer column (1), the oil groove (4) is located between the first pair of interfaces (2) and the second pair of interfaces (3), the second reamer column (5) is located between the first reamer column (1) and the butt joint column (6), the butt joint column (6) is fixed at the left end of the second reamer column (5), the reamer blade (7) is located at a left side end point of the butt joint column (6), the bayonet (8) is arranged on the butt joint column (6), and the first oil outlet (9) is arranged on a side wall above the reamer blade (7), the second oil outlet (10) is arranged on the side wall of the cutting edge below the hinged cutting edge (7).

2. The internally cooled stepped reamer of claim 1, wherein: the first reamer column (1), the second reamer column (5), the butt joint column (6) and the reamer blade (7) jointly form a main body structure of the internal cooling step reamer, and the total length is 170 mm.

3. The internally cooled stepped reamer of claim 1, wherein: the inclination of the bayonet (8) is 70 degrees.

4. The internally cooled stepped reamer of claim 1, wherein: the diameter of the reaming blade (7) is 8.5 mm.

5. The internally cooled stepped reamer of claim 1, wherein: the interior of the first reamer column (1), the second reamer column (5) and the butt joint column (6) is provided with hollow pipelines which are on the same straight line.

6. The internally cooled stepped reamer of claim 1, wherein: the first oil outlet (9) and the second oil outlet (10) are communicated with the oil groove (4) through hollow pipelines.