CN219254892U

CN219254892U - Rotary clamp

Info

Publication number: CN219254892U
Application number: CN202222872395.7U
Authority: CN
Inventors: 刘喜军
Original assignee: Fuyuan Gewei Precision Machinery Co ltd
Current assignee: Fuyuan Gewei Precision Machinery Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-06-27
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a rotary clamp, which comprises a bottom plate, wherein a fixed clamping mechanism and a movable clamping mechanism are oppositely arranged at the upper end of the bottom plate, and rotary supporting components for supporting round hole workpieces are arranged on the fixed clamping mechanism and the movable clamping mechanism; the fixed clamping mechanism comprises a fixed frame fixed at the upper end of the bottom plate, and a rotary supporting component is connected to the fixed frame; the movable clamping mechanism comprises a sliding rail fixed on the upper side of the bottom plate, a sliding seat is arranged on the sliding rail, a movable frame is installed at the upper end of the sliding seat, a rotary supporting component is connected to the movable frame, and an air cylinder is connected to one side, away from the fixed frame, of the movable frame. According to the utility model, the rotary supporting component of the fixed clamping mechanism is used for supporting the round hole workpiece, and then the rotary supporting component on the movable clamping mechanism is pushed by the air cylinder to clamp and fix the round hole workpiece, so that the rotary supporting component drives the workpiece to rotate when rotating, the outer surface of the workpiece is convenient to process, and the convenience of use is improved.

Description

Rotary clamp

Technical Field

The utility model relates to the technical field of machining, in particular to a rotary clamp.

Background

Machining is short for machining, and a workpiece is required to be clamped and fixed in the machining process so as to meet the positioning requirement on the workpiece in the machining process; at present, in the outer surface machining process of round hole parts, the round hole parts are mainly clamped and fixed by means of the outer diameter, so that the outer surface cannot be completely treated during machining, the machining efficiency is affected, and machining inconvenience is caused.

Disclosure of Invention

The present utility model aims to solve the above problems by providing a rotary jig.

The utility model realizes the above purpose through the following technical scheme:

the rotary clamp comprises a bottom plate, wherein a fixed clamping mechanism and a movable clamping mechanism are oppositely arranged at the upper end of the bottom plate, and rotary supporting components for supporting a round hole workpiece are arranged on the fixed clamping mechanism and the movable clamping mechanism;

the fixed clamping mechanism comprises a fixed frame fixed at the upper end of the bottom plate, and the fixed frame is connected with the rotary supporting component;

the movable clamping mechanism comprises a sliding rail fixed on the upper side of the bottom plate, a sliding seat is arranged on the sliding rail, a movable frame is installed at the upper end of the sliding seat, a rotary supporting component is connected to the movable frame, the movable frame is far away from one side of the fixing frame and is connected with an air cylinder, the air cylinder is fixed on a supporting plate, and a limiting plate is arranged on one side of the sliding rail, which is close to the fixing frame.

Further set up: the rotary support assembly comprises a support shaft, one end of the support shaft is provided with a connecting nut, two bearings are arranged on the outer diameter of the support shaft, a spacer sleeve is arranged between the bearings, a chuck is arranged on the outer ring of the bearings, support rails are uniformly distributed on opposite faces of the chuck, an adjusting seat is arranged on each support rail, and a top cover is arranged on one end of each chuck, far away from each support rail.

Further set up: the fixing frame is welded with the bottom plate, two parts are symmetrically arranged in front of and behind the sliding rail, the sliding seat is connected with the sliding rail in a sliding mode, and two parts are symmetrically arranged in front of and behind the limiting plate.

Further set up: the support shaft is welded with the connecting nuts, and the connecting nuts on two sides are respectively in threaded connection with the fixed frame and the movable frame.

Further set up: the chuck is rotationally connected with the supporting shaft through the bearing, and the top cover is in bolt connection with the chuck.

Further set up: the support rail is uniformly distributed around the chuck, and the adjusting seat slides on the support rail and is fixed through bolts.

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

the rotary support assembly of the fixed clamping mechanism is used for supporting the round hole workpiece, and then the rotary support assembly on the movable clamping mechanism is pushed by the air cylinder to clamp and fix the round hole workpiece, so that the rotary support assembly drives the workpiece to rotate when rotating, the outer surface of the workpiece is convenient to process, and the use convenience is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is an isometric view of a rotary clamp according to the present utility model in use;

FIG. 2 is a schematic view of the main section of FIG. 1;

FIG. 3 is a schematic view of a rotary clamp according to the present utility model;

FIG. 4 is a schematic diagram of the front view of FIG. 3;

fig. 5 is a schematic view showing a structure of a rotary support assembly of a rotary jig according to the present utility model in an exploded state.

The reference numerals are explained as follows:

1. a bottom plate; 2. fixing a clamping mechanism; 21. a fixing frame; 22. a rotary support assembly; 3. a movable clamping mechanism; 31. a slide rail; 32. a slide; 33. a movable frame; 34. a cylinder; 35. a support plate; 36. a limiting plate; 221. a support shaft; 222. a coupling nut; 223. a bearing; 224. a spacer sleeve; 225. a chuck; 226. a top cover; 227. a support rail; 228. and (5) adjusting the seat.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, a rotary clamp comprises a bottom plate 1, wherein a fixed clamping mechanism 2 and a movable clamping mechanism 3 are oppositely arranged at the upper end of the bottom plate 1, and rotary supporting components 22 for supporting round hole workpieces are respectively arranged on the fixed clamping mechanism 2 and the movable clamping mechanism 3;

in this embodiment: the fixed clamping mechanism 2 comprises a fixed frame 21 fixed at the upper end of the bottom plate 1, and a rotary supporting component 22 is connected to the fixed frame 21;

the movable clamping mechanism 3 comprises a sliding rail 31 fixed on the upper side of the bottom plate 1, a sliding seat 32 is arranged on the sliding rail 31, a movable frame 33 is arranged at the upper end of the sliding seat 32, a rotary supporting component 22 is connected to the movable frame 33, an air cylinder 34 is connected to one side, away from the fixed frame 21, of the movable frame 33, the air cylinder 34 is fixed on a supporting plate 35, and a limiting plate 36 is arranged on one side, close to the fixed frame 21, of the sliding rail 31; the fixing frame 21 is welded with the bottom plate 1, two positions are symmetrically arranged in front and back of the sliding rail 31, the sliding seat 32 is in sliding connection with the sliding rail 31, and two positions are symmetrically arranged in front and back of the limiting plate 36; the telescopic pushing movable frame 33 of the air cylinder 34 moves towards the fixed clamping mechanism 2 under the support of the sliding seat 32 and the sliding rail 31, and clamps and fixes the round hole workpieces between the rotary support assemblies 22.

In this embodiment: the rotary support assembly 22 comprises a support shaft 221, a connecting nut 222 is arranged at one end of the support shaft 221, two bearings 223 are mounted on the outer diameter of the support shaft 221, a spacer sleeve 224 is arranged between the bearings 223, a chuck 225 is mounted on the outer ring of the bearings 223, support rails 227 are uniformly distributed on the opposite surfaces of the chuck 225, an adjusting seat 228 is mounted on the support rails 227, and a top cover 226 is mounted at one end, far away from the support rails 227, of the chuck 225; the support shaft 221 is welded with the connecting nuts 222, and the connecting nuts 222 on two sides are respectively connected with the fixed frame 21 and the movable frame 33 in a threaded manner; the chuck 225 is rotatably connected with the supporting shaft 221 through a bearing 223, and the top cover 226 is connected with the chuck 225 through bolts; the supporting rail 227 is uniformly distributed around the chuck 225, the adjusting seat 228 slides on the supporting rail 227 and is fixed by bolts, and the position of the adjusting seat 228 on the supporting rail 227 is adjusted so as to limit round hole workpieces with different inner diameters, and the bearing 223 supports the rotation of the chuck 225.

The working principle and the use flow of the utility model are as follows: the inner diameter of the round hole workpiece is placed on the outer diameter of the adjusting seat 228 to be supported, the movable frame 33 is pushed by the air cylinder 34 to move to one side of the fixed clamping mechanism 2 under the support of the sliding rail 31 and the sliding seat 32, the rotary supporting components 22 on the fixed clamping mechanism 2 and the movable clamping mechanism 3 are relatively close, the two ends of the round hole workpiece are clamped and fixed, and then the chuck 225 is rotated, so that the workpiece clamped in the middle is rotated.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. Rotary clamp comprising a base plate (1), characterized in that: the upper end of the bottom plate (1) is provided with a fixed clamping mechanism (2) and a movable clamping mechanism (3) relatively, and the fixed clamping mechanism (2) and the movable clamping mechanism (3) are provided with a rotary supporting component (22) for supporting a round hole workpiece;

the fixed clamping mechanism (2) comprises a fixed frame (21) fixed at the upper end of the bottom plate (1), and the fixed frame (21) is connected with the rotary supporting component (22);

the movable clamping mechanism (3) comprises a sliding rail (31) fixed on the upper side of the bottom plate (1), a sliding seat (32) is arranged on the sliding rail (31), a movable frame (33) is arranged at the upper end of the sliding seat (32), a rotary supporting component (22) is connected to the movable frame (33), an air cylinder (34) is connected to one side of the movable frame (33) away from the fixed frame (21), the air cylinder (34) is fixed on a supporting plate (35), and a limiting plate (36) is arranged on one side of the sliding rail (31) close to the fixed frame (21).

2. A rotary clamp according to claim 1, wherein: the rotary support assembly (22) comprises a support shaft (221), a connecting nut (222) is arranged at one end of the support shaft (221), two bearings (223) are arranged on the outer diameter of the support shaft (221), a spacer sleeve (224) is arranged between the bearings (223), a chuck (225) is arranged on the outer ring of each bearing (223), support rails (227) are uniformly distributed on the opposite surfaces of the chuck (225), an adjusting seat (228) is arranged on each support rail (227), and a top cover (226) is arranged at one end of each chuck (225) away from each support rail (227).

3. A rotary clamp according to claim 1, wherein: the fixing frame (21) is welded with the bottom plate (1), two parts are symmetrically arranged on the front and back of the sliding rail (31), the sliding seat (32) is in sliding connection with the sliding rail (31), and two parts are symmetrically arranged on the front and back of the limiting plate (36).

4. A rotary clamp according to claim 2, wherein: the support shaft (221) is welded with the connecting nuts (222), and the connecting nuts (222) on two sides are respectively connected with the fixed frame (21) and the movable frame (33) in a threaded mode.

5. A rotary clamp according to claim 2, wherein: the chuck (225) is rotatably connected with the supporting shaft (221) through the bearing (223), and the top cover (226) is connected with the chuck (225) through bolts.

6. A rotary clamp according to claim 2, wherein: the supporting rail (227) is uniformly distributed around the chuck (225), and the adjusting seat (228) slides on the supporting rail (227) and is fixed through bolts.