CN220312986U - Grinding tool for ball valve sphere machining - Google Patents

Abstract

The utility model belongs to the field of grinding tools for ball valve ball body processing, and particularly relates to a grinding tool for ball valve ball body processing, which comprises a base, wherein the upper end of the base is connected with a clamping frame in a sliding manner, a clamping shaft is arranged in the clamping frame through a bearing, the outer side of the clamping shaft is contacted with a ball body, a rotation limiting mechanism is arranged on the clamping frame, a positive and negative screw rod is arranged in the base through the bearing, and the outer side of the positive and negative screw rod is connected with a threaded frame through threads. According to the ball clamping device, the structure of the positive and negative screw, the clamping frame, the hand wheel and the like is additionally arranged on the base, the clamping frame can be driven to move through threaded fit between the positive and negative screw and the threaded frame in the clamping process, and the ball body can be extruded and limited through the clamping shaft, so that the ball body can be clamped in various types, and the ball body can be inserted into the ball body through the positioning column, so that the stability of ball body clamping is further improved.

Description

Grinding tool for ball valve sphere machining

Technical Field

The utility model relates to the technical field of grinding tools for ball valve sphere machining, in particular to a grinding tool for ball valve sphere machining.

Background

And the ball valve (ball) is driven by the valve rod and rotates around the axis of the ball valve. The ball valve can also be used for fluid regulation and control, wherein a strong shearing force is arranged between a V-shaped ball core of a hard seal V-shaped ball valve and a metal valve seat of a surfacing hard alloy, the ball valve is particularly suitable for mediums containing fibers, tiny solid particles and the like, the main component in the ball valve is a ball body, the surface roughness of the ball body determines the tightness of the valve body, polishing, grinding, polishing and other procedures are needed in the process of processing the ball body, the ball valve is fixed through a tool in the process of grinding, but in the process of using the tool in the prior art, the ball body of the ball valve is different in size, the clamping range of the tool is limited, so that the tool is inconvenient to clamp the ball body, and the grinding surface of the ball valve is inconvenient to convert in the process of grinding, thereby affecting the practicability of the tool. Accordingly, improvements in the art are needed.

Disclosure of Invention

The utility model aims to provide a grinding tool for ball valve ball body processing, which solves the problems that the grinding tool is inconvenient to clamp various types of balls and the grinding surface is inconvenient to replace after the balls are clamped.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ball valve spheroid processing is with grinding frock, includes the base, the upper end sliding connection of base has the clamping frame, the clamping axle is installed through the bearing to the inside of clamping frame, the outside contact of clamping axle has the spheroid, be provided with rotation stop gear on the clamping frame, the positive and negative screw rod is installed through the bearing to the inside of base, the outside of positive and negative screw rod has the screw frame through threaded connection, the one end fixedly connected with hand wheel of positive and negative screw rod, the screw frame with clamping frame fixed connection, screw frame and base sliding connection.

Preferably, the outside fixedly connected with reference column of clamping axle, the reference column with spheroid sliding connection, the reference column can insert the processing hole inside of spheroid and carry out spacingly to the spheroid.

Preferably, the outer side of the hand wheel is fixedly connected with a rubber ring, the rubber ring is in contact with the base, and the rubber ring can increase the rotation resistance of the hand wheel.

Preferably, the rotation limiting mechanism comprises tooth grooves, guide rods, sliding plates, connecting strips, tooth blocks, springs and pull rings, the tooth grooves are formed in the outer sides of the clamping shafts, the guide rods are fixedly connected to the inner sides of the clamping frames, the sliding plates are slidably connected to the outer sides of the guide rods, the connecting strips are fixedly connected to the outer sides of the connecting strips, the tooth blocks are fixedly connected to the outer sides of the connecting strips, the springs are arranged on the outer sides of the guide rods, the connecting strips are in sliding connection with the clamping frames, the sliding plates are in sliding connection with the clamping frames, and the tooth blocks can limit the clamping shafts through the tooth grooves.

Preferably, the tooth piece with tooth's socket sliding connection, the tooth piece with clamping frame sliding connection, the outside fixedly connected with pull ring of tooth piece, the pull ring can drive the tooth piece and remove.

Preferably, one end of the spring is fixedly connected with the clamping frame, the other end of the spring is fixedly connected with the sliding plate, and the spring can drive the sliding plate to automatically reset through elasticity.

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

1. according to the ball clamping device, the structure of the positive and negative screw, the clamping frame, the hand wheel and the like is additionally arranged on the base, the clamping frame can be driven to move through threaded fit between the positive and negative screw and the threaded frame in the clamping process, and the ball body can be extruded and limited through the clamping shaft, so that the ball body can be clamped in various types, and the ball body can be inserted into the ball body through the positioning column, so that the stability of ball body clamping is further improved.

2. According to the utility model, the clamping shaft, the tooth block, the spring and other structures are additionally arranged on the clamping frame, and the tooth block can be inserted into the tooth groove on the clamping shaft to limit the clamping shaft in the using process, so that the grinding surface can be replaced by rotating the ball body only by separating the tooth block from the tooth groove when the grinding surface needs to be replaced, and the device is more convenient to use.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a clamping frame; 3. clamping the shaft; 4. a sphere; 5. a rotation limiting mechanism; 6. positioning columns; 7. a positive and negative screw; 8. a screw thread rack; 9. a hand wheel; 10. a rubber ring; 51. tooth slots; 52. a guide rod; 53. a sliding plate; 54. a connecting strip; 55. tooth blocks; 56. a spring; 57. and (5) a pull ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a grinding tool for ball valve ball processing comprises a base 1, wherein the upper end of the base 1 is slidably connected with a clamping frame 2, a clamping shaft 3 is installed in the clamping frame 2 through a bearing, a ball 4 is contacted with the outer side of the clamping shaft 3, and a rotation limiting mechanism 5 is arranged on the clamping frame 2.

Referring to fig. 1 and 2, a forward and reverse screw rod 7 is installed in the base 1 through a bearing, a threaded frame 8 is connected to the outer side of the forward and reverse screw rod 7 through threads, a hand wheel 9 is fixedly connected to one end of the forward and reverse screw rod 7, the threaded frame 8 is fixedly connected with a clamping frame 2, the threaded frame 8 is slidably connected with the base 1, a positioning column 6 is fixedly connected to the outer side of a clamping shaft 3, the positioning column 6 is slidably connected with a ball 4, the positioning column 6 can be inserted into a processing hole of the ball 4 to limit the ball 4, a rubber ring 10 is fixedly connected to the outer side of the hand wheel 9, the rubber ring 10 is in contact with the base 1, and the rotation resistance of the hand wheel 9 can be increased by the rubber ring 10.

Referring to fig. 1, 2 and 3, the rotation limiting mechanism 5 includes a tooth slot 51, a guide rod 52, a sliding plate 53, a connecting bar 54, a tooth block 55, a spring 56 and a pull ring 57, the tooth slot 51 is opened at the outer side of the clamping shaft 3, the guide rod 52 is fixedly connected with the inner side of the clamping frame 2, the sliding plate 53 is fixedly connected with the outer side of the guide rod 52, the connecting bar 54 is fixedly connected with the outer side of the sliding plate 53, the tooth block 55 is fixedly connected with the outer side of the connecting bar 54, the spring 56 is arranged at the outer side of the guide rod 52, the connecting bar 54 is slidably connected with the clamping frame 2, the sliding plate 53 is slidably connected with the clamping frame 2, the tooth block 55 can limit the clamping shaft 3 through the tooth slot 51, the tooth block 55 is slidably connected with the tooth slot 51, the pull ring 57 is fixedly connected with the outer side of the tooth block 55, the pull ring 57 can drive the tooth block 55 to move, one end of the spring 56 is fixedly connected with the clamping frame 2, the other end of the spring 56 is fixedly connected with the sliding plate 53, and the spring 56 can drive the sliding plate 53 to automatically reset through elasticity.

The specific implementation process of the utility model is as follows: when the ball body 4 is used, the ball body 4 is placed between the two clamping shafts 3, then the hand wheel 9 is rotated, when the force of the hand wheel 9 is larger than the friction force between the rubber ring 10 and the base 1, the hand wheel 9 drives the positive and negative screw rod 7 to rotate, the positive and negative screw rod 7 can drive the clamping frame 2 on the screw frame 8 to move through the threaded fit between the positive and negative screw rod 7 and the screw frame 8 in the rotating process, and when the clamping shafts 3 are in contact with the ball body 4, the positioning column 6 can be inserted into the ball body 4, so that the ball body 4 is clamped;

the surface of the sphere 4 subjected to clamping is ground through a grinder, after the grinding of the current end face is finished, the pull ring 57 is pulled, the pull ring 57 drives the tooth block 55 to move downwards, the spring 56 is compressed, when the tooth block 55 is separated from the tooth groove 51, the sphere 4 can be rotated, after the rotation is finished, the pull ring 57 is loosened, the spring 56 is reset, and the spring 56 can drive the tooth block 55 to slide into the adjusted tooth groove 51 through elasticity, so that the practicability of the device is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a ball valve spheroid processing is with grinding frock, includes base (1), its characterized in that: the novel clamping device is characterized in that the upper end of the base (1) is slidably connected with a clamping frame (2), a clamping shaft (3) is arranged inside the clamping frame (2) through a bearing, a ball body (4) is arranged on the outer side of the clamping shaft (3) in a contact mode, a rotation limiting mechanism (5) is arranged on the clamping frame (2), a positive and negative screw (7) is arranged inside the base (1) through the bearing, a threaded frame (8) is arranged on the outer side of the positive and negative screw (7) through threaded connection, a hand wheel (9) is fixedly connected with one end of the positive and negative screw (7), the threaded frame (8) is fixedly connected with the clamping frame (2), and the threaded frame (8) is slidably connected with the base (1).

2. The grinding tool for machining a ball of a ball valve according to claim 1, wherein: the outer side of the clamping shaft (3) is fixedly connected with a positioning column (6), and the positioning column (6) is in sliding connection with the ball body (4).

3. The grinding tool for machining a ball of a ball valve according to claim 1, wherein: the outer side of the hand wheel (9) is fixedly connected with a rubber ring (10), and the rubber ring (10) is in contact with the base (1).

4. The grinding tool for machining a ball of a ball valve according to claim 1, wherein: the rotation limiting mechanism (5) comprises tooth grooves (51), guide rods (52), sliding plates (53), connecting strips (54), tooth blocks (55), springs (56) and pull rings (57), the tooth grooves (51) are formed in the outer side of a clamping shaft (3), the guide rods (52) are fixedly connected to the inner side of the clamping frame (2), the sliding plates (53) are slidably connected to the outer sides of the guide rods (52), the connecting strips (54) are fixedly connected to the outer sides of the connecting strips (54), the tooth blocks (55) are fixedly connected to the outer sides of the guide rods (52), the springs (56) are arranged on the outer sides of the guide rods (52), the connecting strips (54) are slidably connected to the clamping frame (2), and the sliding plates (53) are slidably connected to the clamping frame (2).

5. The grinding tool for ball valve sphere machining according to claim 4, wherein: the tooth block (55) is in sliding connection with the tooth groove (51), the tooth block (55) is in sliding connection with the clamping frame (2), and a pull ring (57) is fixedly connected to the outer side of the tooth block (55).

6. The grinding tool for ball valve sphere machining according to claim 4, wherein: one end of the spring (56) is fixedly connected with the clamping frame (2), and the other end of the spring (56) is fixedly connected with the sliding plate (53).