CN214444641U

CN214444641U - Material-saving optimized numerical control knife handle

Info

Publication number: CN214444641U
Application number: CN202120558117.7U
Authority: CN
Inventors: 王勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-10-22
Anticipated expiration: 2031-03-18

Abstract

The utility model provides a economize material optimization type numerical control handle of a knife, includes first connector and second connector, first connector includes conical location portion and assembly portion, assembly portion one end is connected with the great end of location portion diameter, and the other end is connected with the second connector, be equipped with V type groove in the middle of the assembly portion, V type groove and location portion axis coincidence, the second connector is the cylindricality structure, and its axis and location portion axis coincidence, second connector one end adopts the welding of friction pressure welding equipment with assembly portion to be in the same place, and the other end is equipped with the screw hole, screw hole axis and second connector self axis coincidence. This numerical control handle of a knife uses two sections round steel that the size is different, adopts friction pressure welding equipment to weld together earlier, then processes, and material cost and preparation efficiency when effectively having saved numerical control handle of a knife preparation.

Description

Material-saving optimized numerical control knife handle

Technical Field

The utility model relates to a numerical control processing equipment technical field, concretely relates to economize material optimization type numerical control handle of a knife.

Background

The numerical control machine tool is generally provided with a special tool handle, the tool handle is mainly used as a connecting piece of a mechanical main shaft, a tool and other accessory tools, the requirements on the rigidity, the precision, the durability, the dynamic balance performance and the like of the tool are very strict in numerical control machining, the general tool handle is formed by integrally turning a round steel, the size of the connecting part of the tool handle and the machine tool body is much larger than that of the connecting part of the tool handle and the tool, the turning time of the connecting part of the tool handle and the tool is longer during integral turning, and the waste of materials can be caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a economize material optimization type numerical control handle of a knife uses the different round steel of two sections sizes, adopts friction pressure welding equipment welding earlier together, then processes, material cost and preparation efficiency when effectively having saved the preparation of numerical control handle of a knife.

The technical scheme of the utility model as follows:

the utility model provides a numerical control handle of a knife, includes first connector and second connector, first connector includes conical location portion and assembly portion, the tapering scope of location portion is between 20 ~ 30, assembly portion one end is connected with location portion butt end, and the other end adopts friction pressure welding equipment to weld with the second connector together, the second connector is the cylindricality structure, and its diameter size is less than the assembly portion diameter size of being connected with it.

Furthermore, a V-shaped groove is formed in the middle of the assembling portion and is overlapped with the axis of the positioning portion, the axis of the second connecting body is also overlapped with the axis of the positioning portion, a threaded hole is formed in one end, far away from the assembling portion, of the second connecting body, and the axis of the threaded hole is overlapped with the axis of the second connecting body.

Furthermore, the V-shaped groove both sides of assembly portion are equipped with a round platform shape joint platform respectively, joint platform diameter is greater than V type groove bottom diameter, the assembly of the assembly portion of being convenient for and lathe body.

Furthermore, the diameter of the clamping table at one side of the V-shaped groove close to the positioning part is larger than the maximum diameter of the positioning part. The diameter of the clamping table at one side of the V-shaped groove close to the second connector is larger than that of the second connector

Preferably, the diameter of the second connecting body is not larger than 4/5 of the diameter of the clamping table close to one side of the second connecting body, and a welding distance between the second connecting body and the assembling part is reserved.

According to the numerical control knife handle, the assembling part is provided with the fixed key groove which is used for being matched with the driving key on the mechanical main shaft. The shape of the fixed key groove comprises a horseshoe shape, one side of the wide part is close to the positioning part, the clamping platform close to one side of the positioning part extends to the clamping platform close to one side of the second connector, and the tail end position of the fixed key groove does not exceed the clamping platform close to one side of the second connector.

Furthermore, the depth of the fixed key groove is lower than the maximum diameter of the clamping table close to one side of the positioning part.

The utility model discloses for prior art gained beneficial effect lie in: the utility model discloses numerical control handle of a knife no longer adopts the whole lathe work of a round steel, but uses two sections round steel or steel pipes that the size is different, one of them section and the cooperation of assembly portion maximum dimension, another section and the cooperation of the second connector diameter size of connecting the cutter, material cost when effectively having saved the preparation of numerical control handle of a knife. And the fixing mode of the first connecting body and the second connecting body is that the first connecting body and the second connecting body are welded together by friction pressure welding equipment, so that the first connecting body and the second connecting body are on the same straight line, subsequent processing is performed, and the manufacturing efficiency of the numerical control knife handle is improved.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

FIG. 1 is a schematic structural diagram of a numerically controlled tool shank in this embodiment;

the components represented by the reference numerals in the figures are:

1. the first connecting body, 11, location portion, 12, assembly portion, 121, V type groove, 122, joint platform, 13, fixed keyway, 2, second connecting body 21, screw hole.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

The directions mentioned in the present invention, front and back, left and right, etc., are only used to express the relative position relationship, and are not restricted by any specific direction reference in practical application.

Examples

Referring to fig. 1, the numerical control knife handle in the embodiment includes a first connecting body 1 and a second connecting body 2, the first connecting body 1 includes a conical positioning portion 11 and an assembling portion 12, the positioning portion 11 is located behind the assembling portion 12, the closer to the assembling portion 12, the larger the cross-sectional diameter of the positioning portion 11 is, and the taper range of the positioning portion 11 is between 20 ° and 30 °.

Further, 12 one end of assembly portion is connected with 11 thick head ends in location portion, and the other end adopts friction pressure welding equipment to weld together with second connector 2, and before the welding, first connector 1 is the size and is a bit bigger than round steel or the pipe of assembly portion, second connector 2 is the diameter size and is less than round steel or the pipe of assembly portion 12, the specific size of second connector 2 is decided according to the cutter that needs are connected, keeps away from 12 one end processing threaded hole 21 of assembly portion at second connector 2, threaded hole 21 axis and second connector 2 self axis coincidence.

Further, a V-shaped groove 121 is arranged in the middle of the assembling portion 12, the V-shaped groove 121 coincides with the axis of the positioning portion 11, and the axis of the second connecting body 2 also coincides with the axis of the positioning portion 11.

Further, two sides of the V-shaped groove 121 of the assembling portion 12 are respectively provided with a circular truncated cone-shaped clamping table 122, and the diameter of the clamping table 122 is larger than that of the bottom of the V-shaped groove 121, so that the assembling portion 12 and the machine tool body can be assembled conveniently.

Further, the diameter of the clamping table 122 on the side of the V-shaped groove 121 close to the positioning portion 11 is larger than the maximum diameter of the positioning portion 11. The diameter of the clamping table 122 at one side of the V-shaped groove 121 close to the second connector 2 is larger than that of the second connector 2

Preferably, the diameter of the second connecting body 2 is not larger than 4/5 of the diameter of the catching table 122 near the side of the second connecting body 2 to allow a welding distance between the second connecting body 2 and the fitting part 12.

In this embodiment, the fitting portion 12 has a fixed key slot 13 for cooperating with a driving key on the machine spindle. The shape of the fixed key slot 13 is horseshoe, the wider side is close to the positioning portion 11, the clamping table 122 close to one side of the positioning portion 11 extends to the clamping table 122 close to one side of the second connector 2, and the end position of the fixed key slot 13 is not more than the clamping table 122 close to one side of the second connector 2. Of course, the shape of the fixing key slot 13 may also adopt other shapes as long as it can match with the driving key on the machine spindle, and there is no limitation here.

Further, the depth of the fixing key slot 13 is lower than the maximum diameter of the clamping table 122 on the side close to the positioning portion 11.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a economize material optimization type numerical control handle of a knife, its characterized in that, includes first connector (1) and second connector (2), first connector (1) is including conical location portion (11) and assembly portion (12), assembly portion (12) one end is connected with the great end of location portion (11) diameter, and the other end is connected with second connector (2), be equipped with V type groove (121) in the middle of assembly portion (12), V type groove (121) and location portion (11) axis coincidence, second connector (2) are the columnar structure, and its axis and location portion (11) axis coincidence, second connector (2) one end and assembly portion (12) adopt friction pressure welding equipment to weld together, and the other end is equipped with screw hole (21), screw hole (21) axis and second connector (2) self axis coincidence.

2. The material-saving optimized numerical control tool shank according to claim 1, wherein a truncated cone-shaped clamping table (122) is respectively arranged on two sides of the V-shaped groove (121) of the assembling portion (12), and the diameter of the clamping table (122) is larger than that of the bottom of the V-shaped groove (121).

3. The material-saving optimized numerical control tool handle according to claim 2, wherein the diameter of the clamping table (122) on one side of the V-shaped groove (121) close to the positioning part (11) is larger than the maximum diameter of the positioning part (11).

4. The material-saving optimized numerical control tool handle according to claim 2, wherein the diameter of the clamping table (122) on one side of the V-shaped groove (121) close to the second connecting body (2) is larger than that of the second connecting body (2).

5. The material-saving optimized numerical control tool handle according to claim 4, characterized in that the diameter of the second connecting body (2) is not larger than 4/5 of the diameter of the clamping table (122) close to one side of the second connecting body (2).

6. The material-saving optimized numerical control tool shank according to claim 1, characterized in that the taper of the positioning part (11) ranges from 20 degrees to 30 degrees.

7. The material-saving optimized numerical control tool shank according to claim 1, wherein a fixing key groove (13) is formed in the assembling portion (12), and the fixing key groove (13) comprises a horseshoe shape.

8. The material-saving optimized numerical control tool shank according to claim 7, characterized in that the fixing key groove (13) extends from the clamping table (122) on the side close to the positioning part (11) to the clamping table (122) on the side close to the second connecting body (2), and the end position of the fixing key groove (13) does not exceed the clamping table (122) on the side close to the second connecting body (2).

9. The material-saving optimized numerical control tool shank according to claim 8, characterized in that the depth of the fixing key groove (13) is lower than the maximum diameter of the clamping table (122) on the side close to the positioning part (11).