Numerical control compound tool special for nuclear industry tube plate

Abstract

The utility model discloses a special numerical control compound cutter for a nuclear industry tube plate, which comprises a connector, one end of the connector is fixedly connected with a counter bit body, one end of the counter bit body is fixedly connected with a numerical control U drill body, and the connector, the counter bit body and the numerical control U drill body are integrally cast. The numerical control U-shaped drill body is used for punching a workpiece, the counter bit body is used for counter sinking according to drawing requirements on the basis of drilling, the counter bit body belongs to the field of forming cutters, the counter bit body and the counter bit body complement each other, the counter bit body and the counter bit body are integrated into a composite cutter, the side face angle of the counter bit body is 45 degrees, and the counter bit body is 33 mm long. The compound tool is mainly composed of two parts. According to the numerical control compound cutter special for the nuclear industry tube plate, drilling and counter sinking are integrally formed, machining of two steps is directly completed, repeated movement of a machine tool is reduced, and the numerical control compound cutter has the technical effects of improving product machining quality, improving machining efficiency, saving cost and reducing waste.

Description

TECHNICAL FIELD

[0001] The utility model relates to drill bit technical field especially relates to a nuclear industry pipe plate special numerical control compound cutter. BACKGROUND

[0002] The reamer is also called as the countersink drill, chamfering cutter, chamfering drill, dimple drill, chamfering device, and is a kind of drill used for reaming conical countersunk hole.It can process hole mouth deburring, chamfering, digging countersunk hole, and the precondition is that it must have guide hole, and subsequent processing can be carried out on conical hole, and large upper small lower conical hole is formed.Placing conical flat head screw requires processing countersunk hole and conical hole dimple.Hole mouth trimming deburring is light trimming hole edge, and removes hole edge bevel angle.

[0003] The existing numerical control reamer first drills hole, then reams hole, workpiece is relatively large, hole number is relatively more, machine tool moves frequently, lead to processing process is very inconvenient, and the original processing mode processes hole diameter roughness, and due to the poor flatness of pipe plate, hole diameter is unstable, and therefore a kind of numerical control reamer compound cutter is proposed. INVENTION CONTENTS

[0004] The utility model discloses a kind of nuclear industry pipe plate special numerical control compound cutters, to solve the existing numerical control reamer first drills hole, then reams hole, workpiece is relatively large, hole number is relatively more, machine tool moves frequently, lead to processing process is very inconvenient, and the original processing mode processes hole diameter roughness, and due to the poor flatness of pipe plate, hole diameter is unstable technical problem.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of nuclear industry pipe plate special numerical control compound cutter, including connector, the one end of the connector is fixedly connected with reamer body, and the one end of reamer body is fixedly connected with numerical control U drill body, the connector, reamer body and numerical control U drill body, three integrally cast, the function of numerical control U drill body is to punch on workpiece, reamer body is according to drawing requirement on the basis of drilling reaming hole, reamer body belongs to the category of forming tool, two complement each other's merits and drawbacks, and integrate as a compound cutter.

[0007] In one preferred scheme, the side angle of the reamer body is forty-five degrees.

[0008] In one preferred scheme, the length of the numerical control U drill body is 26 millimeters.

[0009] In one preferred scheme, the length of the reamer body is 33 millimeters.

[0010] In a preferred scheme, the composite cutter mainly has two parts, the front end is a numerical control U drill body, and the rear end is a counter sink drill body, and the helix angle, chip space, length, blade selection and blade groove type of each part are adjusted.

[0011] In a preferred scheme, the length of the connector is 69mm.

[0012] The drilling and counter sinking are integrally formed, machining time is saved, machine tool running stroke is shortened, and machining efficiency is improved.

[0013] As can be seen from the above, the nuclear industry pipe plate special numerical control composite cutter provided by the utility model integrally forms drilling and counter sinking, directly completes two-step machining, reduces repeated movement of the machine tool, has the technical effects of improving product machining quality, improving machining efficiency, saving cost and reducing waste. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The drawings show a structure diagram of the nuclear industry pipe plate special numerical control composite cutter.

[0015] Fig. 2 The drawings show a structure diagram of the nuclear industry pipe plate special numerical control composite cutter.

[0016] In the drawings: 1, connector; 2, counter sink drill body; 3, numerical control U drill body. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0018] The nuclear industry pipe plate special numerical control composite cutter disclosed by the utility model is mainly applied to the existing numerical control counter sink drill, drilling first and then counter sinking, the workpiece is relatively large, the number of holes is relatively large, the machine tool moves frequently, the machining process is very inconvenient, and the original machining method has poor hole roughness.

[0019] Referring to Figs. 1-2The utility model provides a special numerical control compound cutter of nuclear industry pipe plate, including connector 1, one end of connector 1 is fixedly connected with tapper drill body 2, and one end of tapper drill body 2 is fixedly connected with numerical control U drill body 3, connector 1, tapper drill body 2 and numerical control U drill body 3 are integrally cast, the function of numerical control U drill body 3 is to punch on workpiece, tapper drill body 2 is to tapper hole according to drawing requirement on the basis of drilling, tapper drill body 2 belongs to the category of forming tool, and the two complement each other, and are integrated into a compound cutter.

[0020] In a preferred embodiment, the side angle of the tapper drill body 2 is forty-five degrees.

[0021] In a preferred embodiment, the length of the numerical control U drill body 3 is 26 mm.

[0022] In a preferred embodiment, the length of the tapper drill body 2 is 33 mm.

[0023] In a preferred embodiment, the compound cutter mainly consists of two parts, the front end is the numerical control U drill body 3, and the rear end is the tapper drill body 2. The helix angle, chip space, length, blade selection, and blade groove type of each part are adjusted.

[0024] In a preferred embodiment, the length of the connector 1 is 69 mm, and the tapper drill body 2 and the numerical control U drill body 3 are integrally formed, which saves processing time, shortens the machine tool running stroke, improves processing efficiency, and optimizes the parameters of each component to improve the accuracy of processing and the practicality of the product.

[0025] Working principle: when in use, the tapper drill body 2 and the numerical control U drill body 3 are integrally formed, which saves processing time, shortens the machine tool running stroke, improves processing efficiency, and optimizes the parameters of each component to improve the accuracy of processing and the practicality of the product.

[0026] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. The substitution can be a substitution of part of the structure, device, method step, or a complete technical solution. According to the technical solution of the present application and the inventive concept, equivalent substitution or change should be covered in the protection scope of the present application.

Claims

1. A special numerical control combined tool for nuclear industry tube sheet, comprising a connector (1), characterized in that, One end of the connector (1) is fixedly connected with a counterbore body (2), and one end of the counterbore body (2) is fixedly connected with a numerical control U drill body (3), the connector (1), the counterbore body (2) and the numerical control U drill body (3) are integrally cast, the numerical control U drill body (3) is used for punching on a workpiece, the counterbore body (2) is used for counterboring on the basis of drilling according to drawing requirements, the counterbore body (2) belongs to the category of forming tools, and the two are complementary to each other and integrated into a composite tool.

2. The special NC combined cutter for nuclear industry pipe plate according to claim 1, characterized in that, The side angle of the counterbore body (2) is 45 degrees.

3. The special NC combined cutter for nuclear industry pipe plate according to claim 2, characterized in that, The length of the numerical control U drill body (3) is 26 mm.

4. The special NC combined cutter for nuclear industry pipe plate according to claim 1, characterized in that, The length of the counterbore body (2) is 33 mm.

5. The special NC combined cutter for nuclear industry pipe plate according to claim 1, characterized in that, The composite tool mainly has two parts, the front end is the numerical control U drill body (3), and the rear end is the counterbore body (2), and each part is adjusted in terms of helix angle, chip space, length, blade selection and blade groove type.

6. The special NC combined cutter for nuclear industry pipe plate according to claim 1, characterized in that, The length of the connector (1) is 69 mm.

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