CN221018703U

CN221018703U - Anti-deformation clamp

Info

Publication number: CN221018703U
Application number: CN202322633960.9U
Authority: CN
Inventors: 于艳勋; 张德鹏
Original assignee: Wafangdian Aiguo Bearing Research Institute Co ltd
Current assignee: Wafangdian Aiguo Bearing Research Institute Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-28
Anticipated expiration: 2033-09-27

Abstract

The utility model belongs to the technical field of lathe machining tools, and particularly relates to an anti-deformation clamp which comprises a positioning disc, wherein a plurality of slide ways are arranged on the positioning disc along the radial direction, clamping mechanisms are connected in the slide ways in a sliding manner, locking rings are arranged at the centers of the clamping mechanisms, the locking rings are of C-shaped structures with gaps, one end of an annular workpiece is assembled to the inner diameter side of the locking rings, the clamping mechanisms are tightly propped against the outer wall of the locking rings, and the annular workpiece is clamped by tightening the locking rings. According to the utility model, the annular workpiece is clamped by the locking ring, the locking ring disperses the stress effect of the clamping mechanism, so that the protection is provided for the annular workpiece, the clamping force is ensured, the deformation of the annular workpiece is avoided, and the quality of the workpiece is ensured.

Description

Anti-deformation clamp

Technical Field

The utility model belongs to the technical field of lathe machining tools, and particularly relates to a deformation-preventing c-shaped clamp for a thin-wall part turning product.

Background

When the annular workpiece is machined, the workpiece is required to be clamped and positioned through the clamping jaw, the thin-wall workpiece and the workpiece with soft materials, such as a resin retainer, are easy to deform due to the influence of the clamping force of the clamping jaw during clamping and positioning, and the quality of the workpiece can be seriously influenced.

Disclosure of Invention

According to the defects of the prior art, the utility model aims to provide the deformation-preventing clamp which has a protective effect on a workpiece when clamping the workpiece and ensures the quality of the workpiece.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an anti-deformation clamp, includes the positioning disk, be provided with a plurality of slides along radial on the positioning disk, sliding connection has fixture in the slide, a plurality of fixture center is provided with the locking ring, the locking ring is for having the C structure of breach, and the one end of annular work piece is assembled to the internal diameter side of locking ring, a plurality of fixture top is tight at the outer wall of locking ring, and the annular work piece is tightly pressed from both sides through the locking ring receipts bundle.

Further, the clamping mechanism comprises a sliding seat in sliding connection with the positioning disc and clamping jaws for clamping the locking ring, and the surface of each clamping jaw, which is in contact with the outer wall of the locking ring, is an arc-shaped surface.

Further, the sliding seat is provided with a step surface with a height difference, and the lower step surface of the sliding seat supports the end surface of the locking ring.

Further, the clamping mechanism is driven by the air cylinder to tightly prop against the outer wall of the locking ring.

Further, a locking bolt is arranged on the clamping mechanism, and the relative position of the clamping mechanism and the positioning disc is fixed through the locking bolt.

Further, the three groups of clamping mechanisms are distributed on the positioning disc at intervals of 120 degrees.

Further, the inner diameter surface of the locking ring is provided with a gasket.

The beneficial effects of the utility model are as follows: according to the utility model, the annular workpiece is clamped by the locking ring, the locking ring disperses the stress effect of the clamping mechanism, so that the protection is provided for the annular workpiece, the clamping force is ensured, the deformation of the annular workpiece is avoided, and the quality of the workpiece is ensured.

Drawings

FIG. 1 is a schematic view of a clamp according to the present utility model;

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

In the figure: 1. the device comprises a positioning disc, 2, a slideway, 3, a clamping mechanism, 4, a locking ring, 5, a locking bolt, 6 and an annular workpiece.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1-2, an anti-deformation clamp comprises a positioning plate 1, wherein a plurality of slide ways 2 are arranged on the positioning plate 1 along the radial direction, clamping mechanisms 3 are connected in a sliding manner in the slide ways 2, a plurality of clamping mechanisms 3 are provided with locking rings 4 at the centers, the locking rings 4 are of C-shaped structures with gaps, one ends of annular workpieces are assembled on the inner diameter side of the locking rings 4, and the clamping mechanisms 3 are tightly propped against the outer wall of the locking rings 4 and clamp the annular workpieces 6 by means of the locking rings 4.

Further, the clamping mechanism comprises a sliding seat in sliding connection with the positioning disc and clamping jaws for clamping the locking ring 4, and the surfaces of the clamping jaws, which are in contact with the outer wall of the locking ring, are arc-shaped surfaces. The arc surface is matched with the outer wall of the locking ring 4, so that the contact area between the clamping jaw and the locking ring is increased.

Further, the sliding seat is provided with a step surface with a height difference, and the lower step surface of the sliding seat supports the end surface of the locking ring 4. The clamping jaw is positioned on the high-position step surface of the sliding seat and is in contact locking with the outer wall of the locking ring 4.

Further, the clamping mechanism 3 is driven by an air cylinder to tightly press against the outer wall of the locking ring 4. The cylinder drives the clamping mechanism 3, so that the three groups of clamping mechanisms can synchronously act while the jacking force is ensured, and the uniform stress of the locking ring 4 is ensured.

Further, a locking bolt 5 is arranged on the clamping mechanism 3, and the relative position of the clamping mechanism 3 and the positioning disc 1 is fixed through the locking bolt 5.

Further, the three groups of clamping mechanisms 3 are distributed on the positioning disc 1 at intervals of 120 degrees.

Further, the inner diameter surface of the locking ring 4 is provided with a spacer. The gasket can increase the friction force with the workpiece, and the stability of clamping is maintained.

It should be noted that the detailed portions of the present utility model are not described in the prior art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims

1. An anti-deformation clamp, which is characterized in that: the clamping mechanism is connected with a clamping mechanism in a sliding mode, a locking ring is arranged in the center of the clamping mechanism, the locking ring is of a C-shaped structure with an opening, one end of an annular workpiece is assembled to the inner diameter side of the locking ring, and the clamping mechanism is tightly propped against the outer wall of the locking ring and is clamped with the annular workpiece through the clamping ring.

2. A deformation-preventing jig according to claim 1, wherein: the clamping mechanism comprises a sliding seat which is in sliding connection with the positioning disc and clamping jaws for clamping the locking ring, and the surface of each clamping jaw, which is in contact with the outer wall of the locking ring, is an arc-shaped surface.

3. A deformation-preventing jig according to claim 2, wherein: the sliding seat is provided with a step surface with a height difference, and the lower step surface of the sliding seat supports the end surface of the locking ring.

4. A deformation-preventing jig according to claim 1, wherein: the clamping mechanism is driven by the air cylinder to tightly prop against the outer wall of the locking ring.

5. A deformation-preventing jig according to claim 1, wherein: the clamping mechanism is provided with a locking bolt, and the relative position of the clamping mechanism and the positioning disc is fixed through the locking bolt.

6. A deformation-preventing jig according to claim 1, wherein: the three groups of clamping mechanisms are distributed on the positioning disc at intervals of 120 degrees.

7. A deformation-preventing jig according to claim 1, wherein: the inner diameter surface of the locking ring is provided with a gasket.