CN220839008U - Processing tool for thin-wall metal parts - Google Patents

Abstract

The utility model belongs to the field of machine manufacturing, and relates to a processing tool for a thin-wall metal part, which specifically comprises a tool inner support, a blocking cover and a fastening bolt, wherein the tool inner support comprises a clamping end clamped on a lathe and a second tool end used for installing the part to be processed; through the expansion joint design at the second frock end, make the second frock end have elastic deformation's ability, fixing bolt makes the second frock end produce elastic deformation through the blanking cover of axial pretension installation at the second frock end terminal surface to it is fixed wait to process the part. The tool can effectively solve the problems of difficult clamping and processing deformation of small thin-wall metal parts in the processing process, can realize one-time alignment for mass production products, does not need repeated tool setting in the processing process, and remarkably improves the production efficiency; in addition, the tool is low in processing cost, good in stability, simple in design and convenient to install.

Description

Processing tool for thin-wall metal parts

Technical Field

The utility model belongs to the field of machine manufacturing, and relates to a processing tool for a thin-wall metal part.

Background

The metal thin-wall part is often low in surface machining quality and easy to damage during machining. For small-size and thin-wall metal parts, if the metal parts are directly clamped on a machine tool in the machining process, the problems of difficult clamping, deformation and the like easily occur, and the coaxiality and the dimensional accuracy of the parts are difficult to ensure. In view of this, the present utility model has been made.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a processing tool for thin-wall metal parts, which solves the problems that the thin-wall metal parts are difficult to clamp and deform and the coaxiality and dimensional accuracy of the parts are difficult to guarantee in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A processing tool for a thin-wall metal part comprises: the tool inner support and the blanking cover are detachably connected, and the tool inner support is integrally formed;

The frock internal stay includes: the clamping end is clamped on the lathe, the first tooling end and the second tooling end is used for mounting a part to be processed, and an expansion joint is arranged on the end face of the second tooling end;

The part to be processed is sleeved outside the second tool end and is fixedly connected with the second tool end through a plug cover matched fastening bolt.

Further, the expansion joint is at least one.

Further, the depth of the expansion joint is the same as the axial length of the second tool end.

Further, the first tooling end is located between the clamping end and the second tooling end.

Further, the second tool end is provided with an inner cavity matched with the blanking cover, the inner cavity is communicated with a through hole through which the fastening bolt passes conveniently, the depth of the inner cavity is identical to the axial length of the second tool end after being overlapped with the depth of the through hole, and a threaded blind hole matched with the fastening bolt is further formed in one end, close to the second tool end, of the first tool end.

Further, the blanking cover is a conical block with a round hole in the center, and the round hole is used for facilitating the fastening bolt to pass through.

Further, the round hole is smaller than the head diameter of the fastening bolt.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

According to the processing tool for the thin-wall metal part, the expansion joint is utilized to enable the second tool end to have elastic deformation capacity, and the thin-wall metal part is fixed in advance by utilizing the axial direction of the blanking cover, so that the problem that the small thin-wall metal part is difficult to clamp and deform in the processing process can be effectively solved. The dimension consistency of the parts processed by the processing tool is good, and the processing requirements can be met; the one-time alignment can be realized for mass production products, repeated tool setting is not needed in the processing process, and the production efficiency is obviously improved; in addition, the processing tool is low in processing cost, good in stability, simple in design and convenient to install.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate principles of the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of an inner support structure of a tooling for processing thin-wall metal parts;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic diagram of a blanking cover of a tooling for processing thin-walled metal parts of the present utility model;

FIG. 4 is a schematic diagram of a bolt of a tooling for machining thin-walled metal parts according to the present utility model;

Fig. 5 is an assembly schematic diagram of a tooling for processing a thin-walled metal part according to the present utility model.

Wherein: 1 is a clamping end; 2 is a second tooling end; 3 is a first tooling end; 4 is an expansion joint; 5 is a blanking cover; 6 is a fastening bolt; and 7, a part to be processed.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of devices that are consistent with aspects of the utility model that are set forth in the following claims.

The present utility model will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present utility model to those skilled in the art.

Example 1

The embodiment provides a processing frock of thin wall metal part, includes: the tool inner support and the blanking cover 5 are detachably connected, and the tool inner support is integrally formed;

The frock internal stay includes: the clamping end 1 clamped on the lathe, the first tooling end 3 and the second tooling end 2 for mounting the part 7 to be processed are arranged, and an expansion joint 4 is arranged on the end face of the second tooling end 2;

The part 7 to be processed is sleeved outside the second tooling end 2 and is fixedly connected through the blanking cover 5 matched with the fastening bolt 6.

Further, the expansion joint 4 is at least one; preferably, the number of the expansion joints 4 is two, and the expansion joints are arranged in a staggered manner.

Further, the depth of the expansion joint 4 is the same as the axial length of the second tool end 2.

Further, the first tooling end 3 is located between the clamping end 1 and the second tooling end 2.

Further, the second tooling end 2 is provided with an inner cavity matched with the blanking cover 5, the inner cavity is communicated with a through hole through which the fastening bolt 6 passes conveniently, the depth of the inner cavity is the same as the axial length of the second tooling end 2 after being overlapped with the depth of the through hole, and a threaded blind hole matched with the fastening bolt 6 is further formed in one end, close to the second tooling end 2, of the first tooling end 3.

Further, the blanking cover 5 is a conical block with a round hole in the center, and the round hole is used for facilitating the fastening bolt 6 to pass through.

Further, the circular hole is smaller than the head diameter of the fastening bolt 6.

Example 2

On the basis of embodiment 1, this embodiment also provides a processing method of a processing tool for thin-wall metal parts, as shown in fig. 1-4, and the specific method is as follows:

1) Manufacturing an inner support of a tool:

a. Adopting a steel bar as a blank, machining one end of the steel bar into a second tool end 2 with the same size as the inner cavity of the thin-wall metal part, machining the other end of the steel bar into a lathe clamping end 1, and machining a first tool end 3 between the clamping end 1 and the second tool end 2; the first tooling end 3 is formed by turning steel materials with a certain depth on a steel rod between the lathe clamping end 1 and the second tooling end 2;

b. The expansion joint 4 is cut in a linear cutting and staggered mode (as shown in fig. 2) on the machined second tool end 2, and the depth of the expansion joint 4 is the axial length of the second tool end 2, so that the second tool end 2 has certain elastic deformation capability when being used as an inner support;

d. The end face of the second tooling end 2 is provided with an inner cavity matched with the front end of the blanking cover 5; then processing a through hole which can allow the screw rod of the fastening bolt to pass through at the inner cavity of the second tooling end 2;

c. And a threaded blind hole matched with the fastening bolt 6 is processed at one end of the first tool end 3, which is close to the second tool end 2, and the depth and the size of the processed threaded hole can be determined according to practical conditions.

2) Manufacturing a blanking cover:

a. Machining the blanking cover 5 by adopting a steel rod (shown in figure 3);

b. a round hole is processed in the center of the blanking cover 5, and the round hole needs to ensure that the fastening bolt 6 can pass through;

c. The front end of the blanking cover 5 is a conical block with a certain inclination, and the second tooling end 2 can be elastically deformed to a certain extent through axial pre-tightening of the blanking cover 5, so that an inner cavity of the part 7 to be processed can be supported, and the part 7 to be processed is fixed at the second tooling end.

3) Manufacturing a fastening bolt:

a. the fastening bolt 6 is made of a steel rod (shown in fig. 4), the fastening bolt 6 can penetrate through a central round hole of the blanking cover 5, and threads are machined at the front end of the fastening bolt 6;

b. The threads on the fastening bolt 6 are matched with the threaded blind holes formed in the first tool end 3, so that the fastening bolt 6 can be screwed into the threaded blind holes formed in the first tool end 3.

The processing method of the thin-wall metal part is shown in fig. 5, and the specific processing steps are as follows:

1) Machining the inner cavity of the part 7 to be machined to the size required by the drawing;

2) Clamping the clamping end 1 of the tool inner support on a lathe;

3) Loading a part 7 (thin-wall part) to be processed into the second tooling end 2;

4) Placing a blanking cover 5 in an inner cavity on the end face of the second tooling end 2;

5) Penetrating the fastening bolt 6 through a round hole in the middle of the blanking cover 5, and screwing the fastening bolt 6 to realize the fixed connection between the part 7 to be processed and the second tooling end 2;

6) The machining of the outer circumferential portion of the part 7 to be machined is started.

The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

It will be understood that the utility model is not limited to what has been described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims (7)

1. The utility model provides a processing frock of thin wall metal part which characterized in that includes: the tool inner support and the blanking cover (5) are detachably connected, and the tool inner support is integrally formed;

The frock internal stay includes: the clamping end (1) is clamped on the lathe, the first tooling end (3) and the second tooling end (2) is used for mounting a part (7) to be processed, and an expansion joint (4) is arranged on the end face of the second tooling end (2);

The part to be processed (7) is sleeved outside the second tool end (2) and is fixedly connected with the second tool end through a plug cover (5) matched with a fastening bolt (6).

2. The tooling for machining thin-wall metal parts according to claim 1, wherein the expansion joint (4) is at least one.

3. Machining tool for thin-walled metal parts according to claim 2 characterized in that the depth of the expansion joint (4) is the same as the axial length of the second tool end (2).

4. Machining tool for thin-walled metal parts according to claim 1 characterized in that the first tool end (3) is located between the clamping end (1) and the second tool end (2).

5. The tooling for machining thin-wall metal parts according to claim 4, wherein the second tooling end (2) is provided with an inner cavity matched with the blanking cover (5), the inner cavity is communicated with a through hole through which a fastening bolt (6) conveniently passes, and the depth of the inner cavity is the same as the axial length of the second tooling end (2) after being overlapped with the depth of the through hole; and a threaded blind hole matched with the fastening bolt (6) is further formed in one end, close to the second tool end (2), of the first tool end (3).

6. The processing tool for the thin-wall metal part according to claim 1, wherein the blanking cover (5) is a conical block with a round hole in the center, and the round hole is used for facilitating the passing of the fastening bolt (6).

7. The tooling for machining thin-walled metal parts according to claim 6, characterized in that the circular hole is smaller than the head diameter of the fastening bolt (6).