Ball valve ball surface machining equipment

Abstract

The utility model discloses ball valve ball surface machining equipment, which belongs to the technical field of valve machining and comprises a bottom plate and a placing seat, the placing seat is fixedly mounted on the top surface of the bottom plate through bolts, a top plate is mounted above the bottom plate through a support rod, a hydraulic cylinder is mounted on the top surface of the top plate, and the hydraulic cylinder is mounted on the top surface of the top plate. The telescopic end of the hydraulic cylinder slidably extends to the position below the top plate and is fixedly provided with a motor, the tail end of a rotating shaft of the motor is fixedly connected with a rotating disc, a limiting barrel is fixedly installed on the bottom face of the rotating disc, a connecting rod is slidably connected into the limiting barrel, a spring is welded into the limiting barrel, and the tail end of the spring is fixedly connected with the connecting rod. The bottom of the connecting rod is fixedly connected with an arc-shaped plate, and a polishing plate is installed in the arc-shaped plate. Compared with the prior art, the device can buffer the extrusion of the arc-shaped plate and the polishing plate on the surface of the ball of the ball valve, so that the situation that the qualified rate of the ball is low due to the fact that the extrusion force of the polishing plate on the ball is too large is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve processing technical field, especially a ball valve ball body surface processing equipment. BACKGROUND

[0002] Ball valve, ball body is driven by valve stem, and rotates around ball valve axis. It can also be used for fluid regulation and control, wherein hard sealing V type ball valve has strong shearing force between V type ball core and hard alloy built-up metal valve seat, and is especially suitable for medium containing fiber and small solid particles.

[0003] The existing ball valve ball body surface needs to be polished after processing, but the existing ball valve ball body surface polishing device is mostly driven by a driving structure to rotate the ball valve ball body, and then a hydraulic cylinder directly drives an arc-shaped polishing block to extrude the ball valve, and the polishing is realized by the rotation of the ball valve body. However, this polishing method may cause the hydraulic cylinder to press the arc-shaped polishing block too hard, which may cause the polishing block to extrude the ball valve body too hard and cause the ball valve surface to be polished too much, thereby affecting the production quality of the ball valve and even affecting the qualification rate of the ball valve. Therefore, a ball valve ball body surface processing equipment is needed to solve this problem. INNOVATION CONTENT

[0004] The utility model aims at providing a ball valve ball body surface processing equipment to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a ball valve ball body surface processing equipment, comprising a ball valve ball body processing bottom plate and a ball valve ball body processing placing seat, the placing seat is fixedly installed on the top surface of the bottom plate through bolts, a top plate is installed above the bottom plate through a supporting rod, an arc-shaped groove is formed in the top surface of the placing seat, a traction roller is installed at the bottom of the arc-shaped groove, a hydraulic cylinder is installed on the top surface of the top plate, the telescopic end of the hydraulic cylinder extends to the lower side of the top plate and is fixedly installed with a motor, and the rotating shaft end of the motor is fixedly connected with a turntable.

[0006] A limiting cylinder is fixedly installed on the bottom surface of the turntable, a connecting rod is slidably connected in the limiting cylinder, a spring is welded in the limiting cylinder, the end of the spring is fixedly connected with the connecting rod, an arc-shaped plate is fixedly connected at the bottom of the connecting rod, and a ball valve ball body surface polishing plate is installed in the arc-shaped plate.

[0007] Preferably, limiting grooves are symmetrically formed in the inner wall of the limiting cylinder, and two limiting blocks are fixedly connected to the outer wall of the connecting rod.

[0008] Preferably, the two limiting blocks fixedly connected to the outer wall of the connecting rod are respectively slidably connected in the two limiting grooves formed in the inner wall of the limiting cylinder.

[0009] Preferably, the side wall of the arc-shaped plate is symmetrically fixedly connected with two fixed plates, and the top surface of each of the two fixed plates is fixedly welded with a limiting rod.

[0010] Preferably, the top surface of the rotating disc is longitudinally symmetrically provided with two through holes, and the two limiting rods are respectively slidably arranged through the two through holes.

[0011] Preferably, the inner wall of the arc-shaped plate is fixedly welded with a convex block, and the outer side of the polishing plate is provided with a concave groove.

[0012] Preferably, the convex block fixedly welded on the inner wall of the arc-shaped plate is slidably connected to the inside of the concave groove provided on the outer wall of the polishing plate.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0014] The ball valve ball surface machining equipment places the ball of the ball valve in the inside of the arc-shaped groove, drives the ball to rotate through the traction roller, pushes the motor, the rotating disc, the limiting cylinder and the connecting rod and the arc-shaped plate to the surface of the ball through the hydraulic cylinder, and when the arc-shaped plate and the polishing plate in the arc-shaped plate contact with the surface of the ball, the arc-shaped plate moves upward relatively, drives the connecting rod to shrink into the inside of the limiting cylinder and compresses the spring in the inside of the limiting cylinder, so that the extrusion of the arc-shaped plate and the polishing plate on the surface of the ball is prevented from being too large. Compared with the prior art, the device can buffer the extrusion of the arc-shaped plate and the polishing plate on the surface of the ball of the ball valve, so that the extrusion of the polishing plate on the ball is prevented from being too large and the qualified rate of the ball is low. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a position schematic view of the traction roller in the utility model;

[0018] Figure 3 It is a structural schematic view of the hydraulic cylinder, the motor and the arc-shaped plate in the utility model;

[0019] Figure 4 It is a plane sectional view of the limiting cylinder in the utility model;

[0020] Figure 5 The utility model discloses Figure 3 The structure of part A is enlarged.

[0021] Mark explanation:

[0022] In the figure: 1, bottom plate; 2, top plate; 3, placing seat; 4, arc-shaped groove; 5, traction roller; 6, hydraulic cylinder; 7, motor; 8, turntable; 9, limiting cylinder; 10, connecting rod; 11, arc-shaped plate; 12, polishing plate; 13, spring; 14, fixed plate; 15, limiting rod; 16, limiting block; 17, convex block. Specific implementation

[0023] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, some technical features known in the art are not described to avoid confusion with the utility model.

[0024] Unless the direction defined separately is indicated, the up, down, left, right, front, back, inner and outer directions involved in this paper are based on the up, down, left, right, front, back, inner and outer directions in the figure shown by the utility model, which is explained here.

[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0026] As Figures 1 to 5 The main body structure of the ball valve ball surface processing equipment is a ball valve ball processing bottom plate 1 and a ball valve ball processing placing seat 3. The placing seat 3 is fixedly installed on the top surface of the bottom plate 1 through bolts. Thanks to the placing seat 3 being installed on the top surface of the bottom plate 1 through bolts, the placing seat 3 can be conveniently disassembled, replaced or repaired, and therefore can be suitable for processing ball valves of different specifications.

[0027] A top plate 2 is installed on the upper side of the bottom plate 1 through a support rod. The top plate 2 has a certain distance from the bottom plate 1, so that the mechanical structure at the bottom of the top plate 2 can be conveniently installed.

[0028] An arc-shaped groove 4 is formed in the top surface of the placing seat 3. A traction roller 5 is installed at the bottom of the arc-shaped groove 4. A hydraulic cylinder 6 is installed on the top surface of the top plate 2. The telescopic end of the hydraulic cylinder 6 extends to the lower side of the top plate 2 and is fixedly installed with a motor 7. The rotating shaft end of the motor 7 is fixedly connected with a turntable 8. The motor 7 can drive the rotating shaft end fixedly connected with the turntable 8 and the plurality of mechanical components fixedly installed at the bottom of the turntable 8 to rotate.

[0029] The bottom surface of the rotating disc 8 is fixedly provided with a limiting cylinder 9, a connecting rod 10 is slidably connected in the limiting cylinder 9, and a spring 13 is welded in the limiting cylinder 9, and the spring 13 in the limiting cylinder 9 is provided with damping;

[0030] The end of the spring 13 is fixedly connected with the connecting rod 10, the bottom of the connecting rod 10 is fixedly connected with an arc-shaped plate 11, the arc-shaped plate 11 is provided with a polishing plate 12, when the polishing plate 12 is in contact with the outer side of the ball body and the hydraulic cylinder 6 continues to press downward, at this time, the arc-shaped plate 11 will move upward in the opposite direction, and at the same time, the arc-shaped plate 11 pushes the connecting rod 10 fixedly connected with the top surface of the arc-shaped plate 11 to shrink into the limiting cylinder 9, and the spring 13 in the limiting cylinder 9 is compressed, so as to buffer the extrusion of the polishing plate 12 and the arc-shaped plate 11 to the ball body.

[0031] The inner wall of the limiting cylinder 9 is symmetrically provided with a limiting groove, the outer wall of the connecting rod 10 is fixedly connected with two limiting blocks 16, the two limiting blocks 16 fixedly connected with the outer wall of the connecting rod 10 are respectively slidably connected in the two limiting grooves in the inner wall of the limiting cylinder 9, and the two limiting blocks 16 fixedly connected with the outer wall of the connecting rod 10 are respectively slidably connected in the two limiting grooves in the inner wall of the limiting cylinder 9, so as to limit the sliding direction of the connecting rod 10, and further improve the stability of the connecting rod 10 when sliding.

[0032] The side wall of the arc-shaped plate 11 is fixedly connected with two fixed plates 14, the top surface of each of the two fixed plates 14 is fixedly welded with a limiting rod 15, the top surface of the rotating disc 8 is longitudinally provided with two through holes, and the two limiting rods 15 are respectively slidably connected through the two through holes, and the two limiting rods 15 are provided, so as to limit the longitudinal sliding direction of the arc-shaped plate 11, thereby further improving the stability of the arc-shaped plate 11 when sliding.

[0033] The inner wall of the arc-shaped plate 11 is fixedly welded with a convex block 17, the outer side of the polishing plate 12 is provided with a concave groove, and the convex block 17 fixedly welded with the inner wall of the arc-shaped plate 11 is slidably connected in the concave groove in the outer wall of the polishing plate 12, the convex block 17 fixedly connected with the inner wall of the arc-shaped plate 11 is slidably connected in the concave groove in the outer wall of the polishing plate 12, so as to install the polishing plate 12, thereby facilitating the replacement of the polishing plate 12, so as to replace the polishing plate 12 according to the specifications of the ball valve ball body to be processed according to the processing requirements, thereby improving the application range of the device.

[0034] Working principle

[0035] The ball valve ball body surface processing equipment, in use, first place the ball valve ball body in the arc-shaped groove 4 inside the top surface of the placing seat 3 and contact with the traction roller 5 at the bottom of the arc-shaped groove 4, then drive the ball body to rotate by starting the traction roller 5, then slide the convex block 17 fixedly connected in the arc-shaped plate 11 into the recessed groove outside the polishing plate 12, thereby installing the polishing plate 12, then start the hydraulic cylinder 6 to drive the motor 7 fixedly connected at the telescopic end to move downward and simultaneously drive the rotating disc 8 fixedly connected at the bottom of the rotating disc 8, the connecting rod 10, the arc-shaped plate 11 and the polishing plate 12 to move downward until the inner wall of the polishing plate 12 contacts with the outer wall of the ball valve ball body, when the polishing plate 12 contacts with the outer side of the ball body and the hydraulic cylinder 6 continues to press down, at this time the arc-shaped plate 11 will move upward in the opposite direction, at the same time, the arc-shaped plate 11 pushes the connecting rod 10 fixedly connected at the top surface to shrink into the inside of the limiting cylinder 9 and compress the spring 13 in the inside of the limiting cylinder 9, thereby buffering the extrusion of the polishing plate 12 and the arc-shaped plate 11 to the ball body.

[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that are not specifically enumerated herein. Numerous such embodiments have been provided for a thorough description of the embodiments and the scope of the present application. No limitation is intended to the scope of the appended claims with regard to the contents of the description or the drawings.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A ball valve sphere surface processing device, comprising a ball valve sphere processing base plate (1) and a ball valve sphere processing placement seat (3), characterized in that: The placement seat (3) is fixedly mounted on the top surface of the base plate (1) by means of bolts, a top plate (2) is mounted above the base plate (1) via a support rod, an arc-shaped groove (4) is provided on the top surface of the placement seat (3), a traction roller (5) is mounted at the bottom of the arc-shaped groove (4), a hydraulic cylinder (6) is mounted on the top surface of the top plate (2), a telescopic end of the hydraulic cylinder (6) slides and extends to the bottom of the top plate (2) and is fixedly mounted with a motor (7), and a rotating disk (8) is fixedly connected to the end of the rotating shaft of the motor (7); A limiting cylinder (9) is fixedly installed on the bottom surface of the turntable (8), a connecting rod (10) is slidably connected in the limiting cylinder (9), a spring (13) is welded in the limiting cylinder (9), the end of the spring (13) is fixedly connected to the connecting rod (10), and an arc plate (11) is fixedly connected to the bottom of the connecting rod (10), and a polishing plate (12) for processing the surface of the ball valve ball is installed in the arc plate (11).

2. The ball valve surface processing equipment according to claim 1, characterized in that: The inner wall of the limiting cylinder (9) is symmetrically provided with limiting grooves, and the outer wall of the connecting rod (10) is symmetrically fixedly connected with two limiting blocks (16).

3. The ball valve surface processing equipment according to claim 2, characterized in that: The two limiting blocks (16) fixedly connected to the outer wall of the connecting rod (10) are respectively slidably connected to the inside of two limiting grooves opened on the inner wall of the limiting cylinder (9).

4. The ball valve surface processing equipment according to claim 1, characterized in that: Two fixing plates (14) are symmetrically fixedly connected to the side walls of the arc-shaped plate (11), and limiting rods (15) are fixedly welded to the top surfaces of the two fixing plates (14).

5. The ball valve surface processing equipment according to claim 4, characterized in that: Two through holes are longitudinally and symmetrically formed on the top surface of the rotating disk (8), and the two limiting rods (15) slide through the two through holes respectively.

6. The ball valve surface processing equipment according to claim 1, characterized in that: A convex block (17) is fixedly welded to the inner wall of the arc-shaped plate (11), and a concave groove is provided on the outer side of the polishing plate (12).

7. The ball valve surface processing equipment according to claim 6, characterized in that: The convex block (17) fixedly welded to the inner wall of the arc-shaped plate (11) is slidably connected to the inside of the concave groove opened on the outer wall of the polishing plate (12).

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