Clamping mechanism for valve machining

Abstract

The utility model relates to the technical field of clamping mechanisms, in particular to a clamping mechanism for valve machining, which comprises a supporting piece, a clamping piece and an abutting piece, the supporting piece comprises a support, the bottom surface of the support is vertically and fixedly assembled through a fixing screw, the clamping piece is arranged on the top surface of the support, the clamping piece comprises a rotating rod plate, and the rotating rod plate is fixedly connected with the supporting piece. The rotating rod plate is horizontally assembled on the top face of the support, clamping rotating plates are symmetrically and rotationally connected to a rotating rod of the rotating rod plate, an abutting piece is vertically arranged on the top face of the support and comprises a support, the support is vertically fixed to the top face of the support, and a rod base is vertically assembled on the top face of the support in a sliding mode. The valve body stress clamping point of the arc-shaped structure comprises the two clamping rotating plates and the rod base, the valve body is clamped through three-point extrusion, a grinding piece is not stopped from entering the valve body during polishing and grinding, the inner wall of the valve body is ground, and the polishing stability of the valve body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping mechanism technical field, especially in valve machining clamping mechanism. BACKGROUND

[0002] Valve is used for fluid conveying system control component, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief, and the valve body in valve usually needs to carry out inner wall polishing processing, needs to be clamped to the valve body in valve when polishing, guarantee the stability of the valve body in valve when polishing.

[0003] The utility model discloses a kind of quick clamping mechanisms for valve machining, belong to valve machining technical field, including processing support table and rotatingly installed rotating disc table in processing support table, rotating disc table can rotate in the inside of processing support table, in turn can drive the valve on rotating disc table to rotate to the angle position required for processing, valve support backing plate is installed on the top surface of rotating disc table, two stroke sliding grooves are symmetrically opened in the top surface of rotating disc table and located at the both sides of valve support backing plate, two stroke sliding grooves are transversely connected with rotating shaft, rotating shaft is transversely penetrated in two stroke sliding grooves, and light pole end is equipped on the both ends of rotating shaft, two light pole end are rotatably connected with stroke sliding groove by bearing. The quick clamping mechanism for valve machining not only is convenient for clamping valve, but also has the structure of rotation, so that the machining of different positions of valve can be met.

[0004] But the above-mentioned clamping device, when clamping the valve body of outer wall arc structure, valve support backing plate blocks the both ends of valve body, the valve body of arc structure is less stressed clamping point, and the inner wall of valve body cannot be polished during polishing and grinding, which affects the stability of valve body polishing. UTILITY MODEL CONTENTS

[0005] The utility model solves the problem in relevant technology, and proposes a kind of clamping mechanism for valve machining.

[0006] To solve the above technical problem, the utility model is realized by the following technical scheme: a kind of clamping mechanism for valve machining, including support piece, clamping piece and pressure piece, support piece includes support base, support base bottom is vertically fixed assembly by fixed screw, and the top surface of support base is provided with clamping piece, clamping piece includes rotating lever plate, rotating lever plate is horizontally assembled on the top surface of support base, and the rotating lever of rotating lever plate is symmetrically rotatably connected with clamping plate, the top surface of support base is vertically provided with pressure piece, and the pressure piece includes support frame, support frame is vertically fixed on the top surface of support base, and the top surface of support frame is vertically slidably assembled with rod seat.

[0007] As preferred scheme, the bottom of rod seat is horizontally fixed with pressure column, and the outside of pressure column is provided with rubber pad.

[0008] As a preferred scheme, the hydraulic rod is vertically fixed on the top surface of the support, and the output end of the hydraulic rod is fixed on the top surface of the rod base.

[0009] As a preferred scheme, a plurality of locking screws are vertically and threadedly assembled on the top surface of the rotating rod plate, and the plurality of locking screws are threadedly assembled on the top surface of the support.

[0010] As a preferred scheme, the spring is vertically fixed on the outer bottom of the clamping and rotating plate, and the bottom end of the spring is fixed on the top surface of the rotating rod plate.

[0011] As a preferred scheme, the rotating frame is horizontally fixed on the two end surfaces of the rotating rod plate, and the electric telescopic rod is rotatably connected to the rotating frame.

[0012] As a preferred scheme, the output end of the electric telescopic rod is rotatably connected to the outer wall of the clamping and rotating plate.

[0013] Compared with the prior art, the valve body polishing device has the beneficial effects that: in use, the support bottom surface is fixed and kept in a vertical state through the fixing screws, then the rotating rod plate on the clamping member is fixed on the top surface of the support through the locking screws, then the valve body needing polishing treatment is placed on the top surface of the rotating rod plate, the electric telescopic rod on the rotating frame is started to extend and push the clamping and rotating plate to deflect on the rotating rod plate, so that the clamping and rotating plate extrudes and clamps the valve body needing polishing treatment to keep stable, and similarly, in order to ensure the stability of the valve body needing polishing treatment, the rod base is started to vertically move downward on the support to push and press the valve body needing polishing treatment to keep clamped and stable on the rotating rod plate, the stress clamping points of the arc-shaped valve body include the two clamping and rotating plates and the rod base, the valve body is extruded and clamped by three points, and when polishing and grinding, the grinding member can enter the valve body interior without being blocked, the valve body inner wall is ground and treated, and the polishing treatment stability of the valve body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a whole structure schematic view of the utility model;

[0015] Figure 2 is an exploded structure schematic view of the utility model;

[0016] Figure 3 is a structure schematic view of the support in the disassembled state in the utility model embodiment;

[0017] Figure 4 is a structure schematic view of the clamping member in the disassembled state in the utility model embodiment;

[0018] Figure 5 is a structure schematic view of the pressing member in the disassembled state in the utility model embodiment.

[0019] In the figure: 1, support; 11, support; 12, fixing screw; 2, clamping piece; 21, rotating rod plate; 22, locking screw; 23, clamping rotating plate; 24, spring; 25, rotating frame; 26, electric telescopic rod; 3, pressing piece; 31, support; 32, hydraulic rod; 33, rod base; 34, pressing column. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is merely illustrative in nature and in no way should be taken as a limitation of the present application and applications or uses thereof. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0021] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless specifically stated otherwise, the relative arrangements of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not limiting. Also, it should be understood that the various parts shown in the drawings are not necessarily drawn to scale. Techniques, methods, and devices known to those of ordinary skill can not be discussed in detail herein. However, the techniques, methods, and devices are considered to be part of the state of the art and are deemed to be within the scope of the present application. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative and not as a limitation. Thus, other examples of exemplary embodiments can have different values. It should be noted that like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0023] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship is usually based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0024] For the convenience of description, spatial relative terms can be used here, such as '' above '' '' above '' '' upper surface '' '' upper '' and the like, to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures. Thus, the exemplary term '' above '' can include both '' above '' and '' below '' orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0025] In addition, it should be noted that the use of '' first '' '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore can not be understood as the restriction of the protection scope of the utility model.

[0026] As Figures 1 to 5As shown in the valve machining clamping mechanism, including support 1, clamping piece 2 and pressure piece 3, support 1 includes support 11, the bottom surface of support 11 is vertically fixed and assembled through fixing screw 12, and the top surface of support 11 is provided with clamping piece 2, clamping piece 2 includes rotating lever plate 21, rotating lever plate 21 is horizontally assembled on the top surface of support 11, and the rotating lever of rotating lever plate 21 is symmetrically connected with clamping plate 23, the top surface of support 11 is vertically provided with pressure piece 3, pressure piece 3 includes support 31, support 31 is vertically fixed on the top surface of support 11, and the top surface of support 31 is vertically slidably assembled with rod seat 33, the top surface of rotating lever plate 21 is vertically threadedly penetrated and assembled with a plurality of locking screws 22, and the plurality of locking screws 22 are threadedly assembled on the top surface of support 31, in use, the bottom surface of support 11 is fixed and kept vertical through fixing screw 12, then the rotating lever plate 21 on clamping piece 2 is fixed on the top surface of support 11 through locking screw 22, then the valve body needing polishing treatment is placed on the top surface of rotating lever plate 21, the electric telescopic rod 26 on the rotating frame 25 is started to extend and push the clamping plate 23 to deflect on the rotating lever plate 21, which drives the clamping plate 23 to extrude and hold the valve body needing polishing treatment stably, and the rod seat 33 is started to vertically move downward on the support 31 to push the valve body needing polishing treatment to hold stably on the rotating lever plate 21, the force clamping points of the arc-shaped valve body include two clamping plates 23 and rod seat 33, three points extrude and hold the valve body, and the polishing and grinding does not block the grinding piece from entering the inside of the valve body, so that the polishing treatment stability of the valve body is improved.

[0027] In one embodiment, as shown in Figure 2 and 5 the bottom surface of rod seat 33 is horizontally fixed with pressure column 34, and the outside of pressure column 34 is provided with rubber pad, the top surface of support 31 is vertically fixed with hydraulic rod 32, and the output end of hydraulic rod 32 is fixed on the top surface of rod seat 33, the hydraulic rod 32 is started to extend and push the rod seat 33 to vertically slide on the support 31, which drives the pressure column 34 to press on the outer wall of the valve body.

[0028] In one embodiment, as shown in Figure 3 and 4 the outside bottom of clamping plate 23 is vertically fixed with spring 24, and the bottom end of spring 24 is fixed on the top surface of rotating lever plate 21, the two end surfaces of rotating lever plate 21 are both horizontally fixed with rotating frame 25, and rotating frame 25 is rotatably connected with electric telescopic rod 26, the output end of electric telescopic rod 26 is rotatably connected with the outer wall of clamping plate 23, in use, the electric telescopic rod 26 on rotating frame 25 is started to extend and push clamping plate 23 to deflect on rotating lever plate 21, which drives clamping plate 23 to extrude and hold the valve body needing polishing treatment stably.

[0029] In the embodiment, the bottom surface of the support 11 is fixed and kept vertical by the fixing screw 12, then the rotating lever plate 21 on the clamping piece 2 is fixed on the top surface of the support 11 by the locking screw 22, then the valve body to be polished is placed on the top surface of the rotating lever plate 21, the electric telescopic rod 26 on the rotating frame 25 is started to extend and push the clamping rotating plate 23 to deflect on the rotating lever plate 21, which drives the clamping rotating plate 23 to press and hold the valve body to be polished stably, and the lever seat 33 on the support 31 is started to move vertically downward to push the valve body to be polished to hold stably on the rotating lever plate 21, the force clamping points of the arc-shaped valve body include the two clamping rotating plates 23 and the lever seat 33, and the valve body is clamped by three points.

[0030] The above is the preferred embodiment of the present application, and the person skilled in the art of the present application can also change and modify the above embodiment, therefore, the present application is not limited to the above specific embodiments, and any obvious improvement, replacement or modification made by the person skilled in the art on the basis of the present application belongs to the protection scope of the present application.

Claims

1. A clamping mechanism for valve processing, characterized in that, The utility model provides a support (1), clamping piece (2) and press against piece (3) are included, the support (1) includes support (11), the bottom surface of support (11) is fixedly assembled vertically, and the top surface of support (11) is provided with clamping piece (2), clamping piece (2) includes the rotation lever plate (21), and the rotation lever plate (21) is assembled on the top surface of support (11) horizontally, and the rotation lever of rotation lever plate (21) is connected with the clamping of symmetry rotation plate (23), and the top surface of support (11) is provided with press against piece (3) vertically, and press against piece (3) includes support (31), and support (31) is fixed on the top surface of support (11) vertically, and the top surface of support (31) is vertically slidably assembled with the rod seat (33).

2. The valve machining clamping mechanism according to claim 1, characterized in that: The bottom surface of the rod seat (33) is horizontally fixed with a pressing column (34), and the outside of the pressing column (34) is sleeved with a rubber pad.

3. The valve machining clamping mechanism according to claim 2, characterized in that: The top surface of the support (31) is vertically fixed with a hydraulic rod (32), and the output end of the hydraulic rod (32) is fixed on the top surface of the rod seat (33).

4. The valve machining clamping mechanism according to claim 1, characterized in that: The top surface of the rotation lever plate (21) is vertically and threadedly penetrated with a plurality of locking screws (22), and the plurality of locking screws (22) are threadedly assembled on the top surface of the support (31).

5. The valve machining clamping mechanism according to claim 1, characterized in that: The outside bottom of the clamping plate (23) is vertically fixed with a spring (24), and the bottom end of the spring (24) is fixed on the top surface of the rotation lever plate (21).

6. The valve machining clamping mechanism according to claim 5, characterized in that: The both end surfaces of the rotation lever plate (21) are horizontally fixed with a rotation frame (25), and the rotation frame (25) is rotatably connected with an electric telescopic rod (26).

7. The valve machining chucking mechanism according to claim 6, characterized in that: The output end of the electric telescopic rod (26) is rotatably connected on the outer wall of the clamping plate (23).

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