CN219617167U

CN219617167U - Quick clamping device for processing round plug type workpieces

Info

Publication number: CN219617167U
Application number: CN202321154047.4U
Authority: CN
Inventors: 刘甲正
Original assignee: Shanghai Haifei Aviation Equipment Manufacturing Co ltd
Current assignee: Shanghai Haifei Aviation Equipment Manufacturing Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-09-01
Anticipated expiration: 2033-05-15

Abstract

The utility model provides a quick clamping device for processing round plug workpieces, which comprises: the mounting base is provided with a cylindrical base with external threads at the center, a through hole which coincides with the central axis of the mounting base is formed in the center of the base, and mounting holes which penetrate through the mounting base are formed in two sides of the base; the clamp body is a cylinder-like body with a circular inclined plane opening, a cavity is formed in the cylinder-like body, an inner thread matched with the outer thread is formed in the inner wall of the cavity, a ring-shaped positioning seat is arranged on the top surface of the cavity, and the ring-shaped positioning seat is parallel to the mounting base and forms an inclined angle with the plane where the inclined plane opening is located; the utility model has simple structure, can ensure the roundness and coaxiality of the workpiece to be processed, and avoids deformation in the clamping and turning processes.

Description

Quick clamping device for processing round plug type workpieces

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a rapid clamping device for machining a round plug type workpiece.

Background

The thin-wall round plug parts occupy the important position in the fields of aerospace and the like due to the advantages of small net weight, compact structure and the like, and the wall thickness of certain round plug parts is generally between 0.3 and 3mm, so that the rigidity is poor, and deformation is very easy to occur in the processing process. The traditional processing technology of the round plug parts is to directly clamp the round plug parts on a main shaft chuck, so that the problems are as follows: the chuck is positioned to facilitate the deformation of the parts in the radial direction and the thermal deformation caused by the excessive feed during the machining process. Based on this kind of circumstances, in order to fix round stopper class spare part and avoid directly producing the fastening atress effect to the work piece radially, when designing round stopper class spare part processing frock, not radially with it fixed, but adopt through auxiliary fixture at the axial of round stopper class spare part with it location, can avoid effectively because of the work piece receives the radial size deformation of work piece that the jack catch presss from both sides tight atress produced, guarantee round stopper class spare part's machining precision, improve work piece processing qualification rate.

Disclosure of Invention

The utility model aims to solve the technical problem that in the prior art, the clamping processing of round plug parts is easy to deform.

In order to solve the technical problems, the utility model discloses a rapid clamping device for processing a round plug type workpiece, which comprises the following components: the mounting base is provided with a cylindrical base with external threads at the center, a through hole which coincides with the central axis of the mounting base is formed in the center of the base, and mounting holes which penetrate through the mounting base are formed in two sides of the base; the fixture body is a cylinder-like body with a circular inclined plane opening, a cavity is formed in the cylinder-like body, an inner thread matched with the outer thread is arranged on the inner wall of the cavity, a ring-shaped positioning seat is arranged on the top surface of the cavity, and the ring-shaped positioning seat is parallel to the mounting base and forms an inclined angle with the plane where the inclined plane opening is located. The size and the shape of the annular positioning seat are matched with those of the round plug type workpiece to be processed, and the through hole in the center of the round plug type workpiece is positioned on the same axis with the through hole of the base after the round plug type workpiece is horizontally placed on the annular positioning seat.

According to an embodiment of the utility model, the outside of the open top end of the bevel is provided with a hollow protrusion.

According to the embodiment of the utility model, the round plug workpiece passes through the through hole of the round plug workpiece and the through hole of the base through the compression bolt, so that the round plug workpiece is fixed on the clamp body.

According to the embodiment of the utility model, the mounting base is mounted on the triaxial milling machine by adopting the compression bolt to penetrate through the mounting hole.

According to the embodiment of the utility model, the top of the compression bolt is provided with an inner hexagonal screw head.

According to the embodiment of the utility model, when the bottom surface of the outer edge of the round plug type workpiece to be processed is provided with the flange and/or the groove, the upper surface of the annular positioning seat is correspondingly provided with the accommodating groove for accommodating the flange and/or the flange structure extending into the groove; the accommodating groove is tightly attached to the flange surface of the round plug type workpiece to be processed, and the flange structure is tightly attached to the groove of the round plug type workpiece to be processed.

According to the embodiment of the utility model, the radial dimension of the inner diameter of the round plug type workpiece to be processed is 0.1-0.2mm smaller than the radial dimension of the inner diameter of the round ring of the ring type positioning seat.

According to the embodiment of the utility model, the mounting base is in a hollowed-out design.

According to the embodiment of the utility model, the mounting base and the clamp body are made of stainless steel or aluminum alloy materials.

According to an embodiment of the utility model, the mounting base is rectangular.

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

1. in the utility model, the shape of the inner cavity of the clamp body is matched with the cylindrical part of the round plug type workpiece to be processed, and the annular seat at the top of the clamp body is matched with and well contacted with the annular part at the top of the round plug type workpiece, so that the radial stress of the annular part is very small, the whole round plug type workpiece is stably supported and fixed in the axial direction, the deformation of the round plug type workpiece can be ensured to be acceptable in the clamping process, and the qualification of a final product is ensured.

2. The bottom of anchor clamps body is through the external screw thread base threaded connection with installation base axial core, and the annular plane of the coaxial design with the base of anchor clamps body top is placed to round stopper class spare part, has guaranteed the axiality between round stopper class spare part, anchor clamps body and the installation base, fixes a position round stopper class spare part from the axial, has guaranteed the circularity of work piece.

3. The annular seat is provided with the accommodating groove and/or the flange structure, so that the annular seat and the annular part of the round plug type workpiece can be guaranteed to be in full contact, the deformation of the round plug type workpiece is reduced or prevented, and the progress of machining size is influenced.

4. The mounting base is integrally formed by the base, can be directly mounted on a milling machine, does not need complex auxiliary tools, and realizes quick clamping.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

FIG. 1 is a schematic view of a clamping device and a workpiece to be processed according to an exemplary embodiment of the present utility model;

fig. 2 is an exploded view of fig. 1.

The reference numerals are explained as follows:

1. the device comprises a round plug type workpiece, a compression bolt, a mounting base, a clamp body, a ring-shaped positioning seat and a clamp body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1 and 2, the quick clamping device for processing a round plug type workpiece comprises a mounting base 10 and a clamp body arranged in the middle of the mounting base 10. Compared with the radial clamping jaw commonly used in the prior art, the rapid clamping device is axially fixed, and is more suitable for round plug type workpieces.

In this embodiment, a cylindrical base 11 with external threads is provided at the center of the mounting base 10, a through hole overlapping with the central axis of the mounting base 10 is provided at the center of the base 11, and mounting holes penetrating through are provided at both sides of the base 11 of the mounting base 10. The base 11 is designed coaxially with the mounting base 10, and the components mounted on the base 11 can be kept coaxially.

Further, the base 11 is integrally formed with the mounting base 10.

Further, the mounting base 10 is mounted on the triaxial milling machine through the mounting hole using the compression bolt 2.

Further, the mounting base 10 is preferably a cuboid, and the bottom surface is rectangular and more stable.

Further, the mounting base 10 may be designed to be hollowed out, so as to reduce manufacturing cost.

In this embodiment, the clamp body is a cylinder-like body with a circular bevel opening, and the circular bevel enlarges the inlet surface of the clamp body, so that the circular plug-type workpiece can be conveniently placed in the clamp body. The inside of the cylinder is a cavity, the inner wall of the cavity is provided with an internal thread matched with the external thread, and the cylinder is rotatably connected to the base 11. The top surface of the cavity is provided with a ring-shaped positioning seat 21 which is parallel to the mounting base 10 and forms an oblique angle with the plane where the inclined plane opening is located, the ring-shaped positioning seat 21 is positioned at the bottom of the oblique angle, and the oblique angle is based on one side of the circular disc at the top of the round plug-shaped workpiece. It can be understood that the size and shape of the annular positioning seat 21 are identical to those of the round plug workpiece 1 to be processed, the through hole in the center of the round plug workpiece 1 is positioned on the same axis with the through hole of the base 11 after the round plug workpiece 1 is horizontally placed on the annular positioning seat 21, and the round plug workpiece 1 to be processed can be conveniently placed from the bevel opening and aligned with the axis of the annular positioning seat 21.

Further, the outside at inclined plane opening top is equipped with hollow arch, is convenient for take in the practical application.

Further, the annular positioning seat and the cylinder-like body are integrally formed.

Further, the round plug type workpiece 1 is preferably passed through the through hole thereof and the through hole of the base 11 by the hold-down bolt 2, thereby fixing the round plug type workpiece 1 to the jig body.

It should be noted that, the top of the compression bolt 2 is provided with an inner hexagonal screw head, so as to be convenient for tightening and reinforcing.

In this embodiment, when the bottom surface of the outer edge of the round plug workpiece 1 to be processed has a flange and/or a groove, the upper surface of the annular positioning seat 21 is correspondingly provided with a receiving groove for receiving the flange and/or a flange structure extending into the groove; the accommodating groove is tightly attached to the flange surface of the round plug type workpiece 1 to be processed, and the flange structure is tightly attached to the groove of the round plug type workpiece 1 to be processed.

In this embodiment, the radial dimension of the inner diameter of the round plug type workpiece 1 to be processed is 0.1-0.2mm smaller than the radial dimension of the inner diameter of the ring-shaped positioning seat 21.

In this embodiment, the mounting base 10 and the fixture body may be made of stainless steel or aluminum alloy, and has soft texture, light weight, no damage to the surface of the material, and easy disassembly and transportation.

The implementation principle of the embodiment is as follows: the clamp main body 20, namely a cylinder, is fixed on the mounting base 10, the round plug type workpiece 1 to be processed is horizontally placed on the annular positioning seat 21, the round plug type workpiece is fixed by adopting the compression bolt 2 to downwards adjust along the central axis of the round plug type workpiece, the annular positioning seat 21 plays a stable supporting role on the round plug type workpiece, the fixing role on the round plug type workpiece is enhanced, and therefore the surface milling precision of the round plug type workpiece is improved.

In summary, the utility model has the following beneficial effects:

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims

1. A quick clamping device for processing round plug workpieces is characterized by comprising:

the mounting base is provided with a cylindrical base with external threads at the center, a through hole which is coincident with the central axis of the mounting base is formed in the center of the base, and mounting holes which penetrate through are formed in two sides of the base;

the clamp comprises a clamp body, a clamp body and a clamp, wherein the clamp body is a cylinder-like body with a circular inclined plane opening, a cavity is formed in the cylinder-like body, an inner thread matched with the outer thread is arranged on the inner wall of the cavity, a ring-shaped positioning seat is arranged on the top surface of the cavity, and the ring-shaped positioning seat is parallel to the mounting base and forms an inclined angle with a plane where the inclined plane opening is located;

the size and the shape of the annular positioning seat are matched with those of a round plug type workpiece to be processed, and the through hole in the center of the round plug type workpiece after being horizontally placed on the annular positioning seat is positioned on the same axis with the through hole of the base.

2. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein a hollow protrusion is arranged on the outer side of the top end of the inclined surface opening.

3. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein the round plug type workpiece is fixed to the clamp body by a press bolt passing through the through hole thereof and the through hole of the base.

4. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein the mounting base is mounted on a triaxial milling machine by means of a compression bolt penetrating through the mounting hole.

5. The rapid clamping device for processing round plug type workpieces according to any one of claims 3 and 4, wherein the top of the compression bolt is provided with an inner hexagonal screw head.

6. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein when a flange and/or a groove is formed on the bottom surface of the outer edge of the round plug type workpiece to be machined, a containing groove for containing the flange and/or a flange structure extending into the groove are correspondingly formed on the upper surface of the annular positioning seat; the accommodating groove is tightly attached to the flange surface of the round plug type workpiece to be processed, and the flange structure is tightly attached to the groove of the round plug type workpiece to be processed.

7. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein the radial dimension of the inner diameter of the round plug type workpiece to be machined is 0.1-0.2mm smaller than the radial dimension of the inner diameter of the ring-shaped positioning seat.

8. The rapid clamping device for machining round plug workpieces according to claim 1, wherein the mounting base is of a hollowed-out design.

9. The rapid clamping device for machining round plug workpieces according to claim 1, wherein the mounting base and the clamp body are made of stainless steel or aluminum alloy materials.

10. The quick clamping device for machining a round plug type workpiece according to claim 1, wherein the mounting base is rectangular.