CN218254061U

CN218254061U - Nut processing auxiliary fixtures

Info

Publication number: CN218254061U
Application number: CN202222921105.3U
Authority: CN
Inventors: 胥宏俊; 付成; 杨兴凯
Original assignee: Luoyang Chengjiu Electronic Material Co ltd
Current assignee: Luoyang Chengjiu Electronic Material Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-10
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a nut processing auxiliary fixtures, including the axis body, the axis body terminal surface is provided with the chamber of placing that is used for placing the cubic nut, the axis body is close to the outer disc of placing the chamber and is provided with the fastener for press from both sides the fastening with the cubic nut and fix and place intracavity portion. Has the advantages that: fix the cubic nut through the fastener and place intracavity portion, the axis body can be pressed from both sides tightly fixedly by the three-jaw chuck, need not to change the four-jaw chuck and carries out the internal screw thread lathe work of cubic nut, can adapt to the processing of small batch volume product.

Description

Nut processing auxiliary fixtures

Technical Field

The utility model relates to a nut processing technology field, concretely relates to nut processing auxiliary fixtures.

Background

The nut is a nut, and is a part which is screwed together with the bolt or the screw rod and is used for fastening. The square nut is one kind of nut, and its whole is square structure, adopts the cambered surface transition between its square four sides. In the processing process of the square nut, the processing of the internal thread is an important process, and in the processing of the internal thread of the square nut, two types of turning processing and tapping processing are mainly adopted, wherein the tapping processing is mainly suitable for the processing of the internal thread of the small-size square nut, and the turning processing is mainly suitable for the processing of the internal thread of the large-size square nut. In the internal thread machining process of the square nut, the three-jaw chuck of the lathe needs to be replaced by the four-jaw chuck, and in the production process of small-batch products, in order to meet the machining requirements of different products, the three-jaw chuck and the four-jaw chuck need to be disassembled and replaced, so that time and labor are wasted, and the production efficiency is influenced. Therefore, a nut machining auxiliary tool applicable to the three-jaw chuck is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nut processing auxiliary fixtures for solving above-mentioned problem, see the explanation below for details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of nut processing auxiliary fixtures, including the axis body, the axis body terminal surface is provided with the chamber of placing that is used for placing the cubic nut, the axis body is close to the outer disc of placing the chamber and is provided with the fastener for press from both sides the fastening with the cubic nut and fix and place intracavity portion.

By adopting the nut processing auxiliary tool, when the internal thread of the square nut is turned, the shaft body is clamped and fixed through the three-jaw chuck, the placing cavity is exposed, the square nut to be processed is placed in the placing cavity, the square nut is clamped and fixed in the placing cavity through the fastener, and the machine tool spindle drives the shaft body to rotate through the three-jaw chuck, so that the internal thread of the square nut is turned conveniently; through this frock can utilize the supplementary interior threaded lathe work that realizes the cubic nut of three-jaw chuck, need not to change four-jaw chuck, practice thrift equipment cost, help improving production efficiency simultaneously, can adapt to the processing of small batch volume product.

Preferably, an avoiding cavity is arranged on the inner bottom surface of the placing cavity, and the avoiding cavity is coaxial with the placing cavity.

Preferably, the fasteners are arranged in two groups and are symmetrically distributed by taking the axis of the placing cavity as a reference.

Preferably, a threaded hole is formed in the outer circular surface of the shaft body, the threaded hole is communicated with the placing cavity, the fastening piece is a clamping bolt, and the clamping bolt is in threaded connection with the inside of the threaded hole.

Preferably, the depth dimension of the placing cavity is matched with the thickness dimension of the square nut, and the axis of the threaded hole is collinear with the perpendicular bisector of the axis of the placing cavity.

Preferably, the placing cavity is a circular cavity and is matched with the transition arc surface of the square nut.

Preferably, the shaft body is provided with a step part away from the excircle of the end face of the placing cavity.

Preferably, the shaft body terminal surface is provided with the recess, the recess with place the chamber and be linked together, the recess is provided with two, and uses the axis of placing the chamber as the benchmark symmetric distribution.

Has the advantages that: the square nut is fixed inside the placing cavity through the fastener, the shaft body can be clamped and fixed by the three-jaw chuck, the four-jaw chuck does not need to be replaced to perform turning processing on the internal thread of the square nut, and the square nut placing fixture can adapt to processing of small-batch products.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a schematic perspective view of a second embodiment of the present invention;

fig. 4 is a schematic structural view of a square nut.

The reference numerals are explained below:

1. a shaft body; 101. a threaded hole; 2. a placement chamber; 3. a fastener; 301. clamping the bolt; 4. an avoidance cavity; 5. a step portion; 6. and (4) a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, the utility model provides a nut processing auxiliary fixtures, including

axis body

1, 1 terminal surface of axis body is provided with the chamber 2 of placing that is used for placing the cubic nut, and axis body 1 is close to the outer disc of placing chamber 2 and is provided with fastener 3 for press from both sides the fastening and fix in placing 2 insides of chamber with the cubic nut.

As an optional implementation mode, an avoiding cavity 4 is formed in the bottom surface of the placing cavity 2, the avoiding cavity 4 is coaxial with the placing cavity 2, and the turning tool is avoided through the avoiding cavity 4, so that complete processing of the internal thread of the square nut is guaranteed, and safety of the tool is guaranteed.

Fastener 3 is provided with two sets ofly, and uses the axis of placing chamber 2 as the benchmark symmetric distribution, sets up like this, can guarantee the cubic nut and placing the inside steadiness in chamber 2, guarantees the internal thread machining precision.

The threaded hole 101 is formed in the outer circular surface of the shaft body 1, the threaded hole 101 is communicated with the placing cavity 2, the fastener 3 is the clamping bolt 301, the clamping bolt 301 is in threaded connection with the inside of the threaded hole 101, the square nut is placed into the placing cavity 2, the square edge of the square nut corresponds to the clamping bolt 301, and the square nut is clamped and fixed inside the placing cavity 2 by screwing the clamping bolt 301.

The depth dimension who places chamber 2 and the thickness dimension looks adaptation of cubic nut, and the axis of screw hole 101 and the perpendicular bisector collineation of placing 2 axes in chamber set up like this, can guarantee that clamp bolt 301 accuracy presss from both sides the fastening with cubic nut and fixes inside placing chamber 2, guarantees the steadiness of cubic nut.

Place chamber 2 and be circular chamber, and with the transition cambered surface looks adaptation of cubic nut, set up like this, can improve the cubic nut and be placing the inside steadiness in chamber 2, guarantee internal thread machining precision.

Shaft body 1 is kept away from the terminal surface excircle of placing chamber 2 and is provided with step portion 5, sets up like this, through the step portion 5 tight location of clamp of the three-jaw chuck of being convenient for, can avoid the three-jaw chuck to influence simultaneously and twist soon of clamp bolt 301.

By adopting the structure, when the internal thread of the square nut is turned, the shaft body 1 is clamped and fixed through the three-jaw chuck, the placing cavity 2 is exposed, the square nut to be processed is placed in the placing cavity 2, the square nut is clamped and fixed in the placing cavity 2 through the fastening piece 3, and the machine tool spindle drives the shaft body 1 to rotate through the three-jaw chuck, so that the internal thread of the square nut is turned conveniently; through this frock can utilize the supplementary interior threaded lathe work that realizes the cubic nut of three-jaw chuck, need not to change four-jaw chuck, practice thrift equipment cost, help improving production efficiency simultaneously, can adapt to the processing of small batch volume product.

Example two:

referring to fig. 3, the second embodiment differs from the first embodiment in that: the 1 terminal surface of axis body is provided with recess 6, and recess 6 with place chamber 2 and be linked together, recess 6 is provided with two, and uses the axis of placing chamber 2 as benchmark symmetric distribution, sets up like this, is convenient for realize getting of cubic nut through recess 6 and puts.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of 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 nut processing auxiliary fixtures which characterized in that: including axis body (1), axis body (1) terminal surface is provided with places chamber (2) that are used for placing the cubic nut, axis body (1) is close to the excircle face of placing chamber (2) and is provided with fastener (3) for press from both sides the fastening and fix inside placing chamber (2) with the cubic nut.

2. The nut machining auxiliary tool according to claim 1, characterized in that: the bottom surface in the placing cavity (2) is provided with an avoiding cavity (4), and the avoiding cavity (4) is coaxial with the placing cavity (2).

3. The nut machining auxiliary tool according to claim 1, characterized in that: the fasteners (3) are arranged in two groups and are symmetrically distributed by taking the axis of the placing cavity (2) as a reference.

4. The nut machining auxiliary tool according to claim 1, characterized in that: the outer disc of axis body (1) is provided with screw hole (101), screw hole (101) with place chamber (2) and be linked together, fastener (3) are clamping bolt (301), clamping bolt (301) threaded connection in inside screw hole (101).

5. The nut machining auxiliary tool according to claim 4, characterized in that: the depth dimension of the placing cavity (2) is matched with the thickness dimension of the square nut, and the axis of the threaded hole (101) is collinear with the perpendicular bisector of the axis of the placing cavity (2).

6. The nut machining auxiliary tool according to claim 1, characterized in that: the placing cavity (2) is a circular cavity and is matched with the transition arc surface of the square nut.

7. The nut machining auxiliary tool according to claim 1, characterized in that: and a step part (5) is arranged on the excircle of the end face of the shaft body (1) far away from the placing cavity (2).

8. The nut machining auxiliary tool according to claim 1, characterized in that: the shaft body (1) end face is provided with a groove (6), the groove (6) is communicated with the placing cavity (2), and the two grooves (6) are symmetrically distributed by taking the axis of the placing cavity (2) as a reference.