Grinding device for ball valve machining

By designing a fixing mechanism and a grinding mechanism, the problem of wear on the grinding head connection thread in the ball valve stem grinding device was solved, realizing efficient grinding of the ball valve stem and quick replacement of the grinding ring, thus improving the safety and stability of the device.

CN223802261UActive Publication Date: 2026-01-16SHENZHEN MUYANXIN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520406172.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing ball valve stem grinding device is prone to wear on the connecting threads after multiple grinding head replacements, resulting in unstable fixing and affecting the safe use of the device.

Method used

A grinding device for ball valve processing was designed, comprising a fixing mechanism and a grinding mechanism. Through the combination of a limiting ring, a clamping ring, an electric telescopic rod and a grinding ring, the ball valve stem can be quickly fixed and ground in all directions. The grinding ring can be quickly replaced and installed through the cooperation of a locking column and a fixing screw.

Benefits of technology

This technology enables efficient grinding of the ball valve stem and quick replacement of the grinding ring, preventing loose connections and improving the safety and stability of the device.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a grinding device for ball valve machining, which relates to the technical field of ball valve machining and comprises a base, a first support column and a second support column are arranged at the top end of the base, and the second support column is positioned on one side of the first support column. The grinding mechanism is arranged, an electric telescopic rod is started to drive a mounting block to move, a connecting column is driven to move, a grinding ring is driven to fix a ball valve rod, the grinding ring fixes the ball valve rod to drive the connecting column to push a mounting column to move, the mounting column moves to push a mounting block to move, and the mounting block moves to extrude a telescopic spring; the telescopic spring is stressed and contracted to drive the mounting block to move in the electric telescopic rod, so that the clamping column in the electric telescopic rod moves in the mounting block, the clamping column clamps the fixing screw through the mounting column, and through mutual cooperation of the multiple parts, quick replacement and mounting of the polishing ring can be achieved, and the phenomenon of looseness is not prone to occurring.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve processing technical field, specifically a kind of polishing device for ball valve processing. BACKGROUND

[0002] Ball valve is the opening and closing member (ball) is driven by valve stem, and rotates around the axis of ball valve, and the valve stem in ball valve plays a vital role, when selecting material, it must be guaranteed that it has enough strength, good impact toughness, abrasion resistance, corrosion resistance at specified temperature, while the machining performance and heat treatment performance of material should be paid attention to, therefore, valve stem needs to be polished during processing, to ensure that the air tightness of valve stem is intact.

[0003] The polishing processing device of existing valve stem when in use, in order to guarantee good polishing effect, polishing head needs to be replaced regularly, and the existing polishing head is mostly connected and fixed by thread structure, which leads to the connection thread of polishing head to be easily worn after being replaced for many times, so that the connection stability of polishing head is not good, and it is not conducive to the safe use of device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of polishing device for ball valve processing to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of polishing device for ball valve processing, comprising:

[0007] Base, the top of the base is provided with a support column and a support column No. 2, the support column No. 2 is located on the side of support column No. 1;

[0008] Fixing mechanism, the fixing mechanism is located at the top of support column No. 1, for clamping and rotating operation to ball valve stem;

[0009] Polishing mechanism, the polishing mechanism has two, two the polishing mechanism is located at the top of support column No. 2, for polishing operation to ball valve stem;

[0010] Support column No. 3, the support column No. 3 is located at the top of base, and is located on the side of support column No. 2, the top of the support column No. 3 is provided with a limit ring.

[0011] As a further scheme of the utility model: the fixed mechanism includes fixed plate, motor, connecting block, telescopic column, connecting plate, clamping ring, transmission shaft, sliding screw rod, limiting plate and rotating column, the fixed plate is located at the top of the first support column, the motor is located at one side of the fixed plate, the connecting block is located at the other side of the fixed plate, the transmission shaft is located at one side of the fixed plate and penetrates the fixed plate to the inside of the connecting block, the sliding screw rod is located at one side of the transmission shaft and is located in the inside of the connecting block, the telescopic column is located at one side of the connecting block and penetrates to the inside of the connecting block and the outer wall of the sliding screw rod, the connecting plate is located at one side of the telescopic column, the clamping ring is located at one side of the connecting plate, the limiting plate is located at one side of the telescopic column penetrating the inside of the connecting block, the rotating column is located at one side of the connecting plate and is rotationally connected with the clamping ring and is located in the inside of the telescopic column and penetrates the telescopic column to the inside of the sliding screw rod.

[0012] As a further scheme of the utility model: the polishing mechanism includes fixed column, electric telescopic rod, mounting block, mounting column, connecting column, polishing ring, fixed screw, telescopic spring and clamping column, the fixed column is located at the top of the second support column, the electric telescopic rod is located at one side of the fixed column, the mounting block is located at one side of the electric telescopic rod and penetrates to the inside of the electric telescopic rod, the connecting column is located at one side of the mounting block, the mounting column is located at one side of the connecting column and penetrates to the inside of the mounting block, the polishing ring is located at one side of the connecting column, the fixed screw is located at the top of the mounting block and penetrates to the inside of the mounting block, the telescopic spring is located in the inside, and is located at one side of the mounting block penetrating to the inside of the electric telescopic rod, the clamping column is located at one side of the inside of the electric telescopic rod and is located in the middle of the telescopic spring and penetrates to the inside of the mounting block.

[0013] As a further scheme of the utility model: the inside of the fixed plate is provided with the transmission groove matched with the transmission shaft, the inside of the connecting block is provided with the rotation groove matched with the sliding screw rod, the inside of the connecting block is provided with the movement groove matched with the telescopic column, the inside of the telescopic column is provided with the screw rod groove matched with the sliding screw rod, and the inside of the sliding screw rod and the telescopic column is provided with the telescopic groove matched with the rotating column.

[0014] As a further scheme of the utility model: the number of clamping rings is provided with multiple, multiple clamping rings are annularly distributed and the outer wall is provided with threads.

[0015] As a further scheme of the utility model: one side of the mounting block is provided with the mounting groove matched with the mounting column, the inside of the mounting block is provided with the fixed groove matched with the mounting column, the inside of the electric telescopic rod is provided with the spring groove matched with the telescopic spring, the inside of the mounting block and the mounting column is provided with the connecting groove matched with the clamping column, and one side of the fixed screw is provided with the clamping groove matched with the clamping column.

[0016] As a further scheme of the utility model: the installation block and the top of the installation column are provided with the thread groove matched with the fixed screw, the top surface of the installation column is provided with the clamping block, the inside of the polishing ring is provided with the polishing groove matched with the ball valve rod, and the inside of the limiting ring is provided with the ball valve rod groove matched with the ball valve rod.

[0017] Compared with the prior art, the utility model has the advantages that: 1. by setting the fixed mechanism, the ball valve rod is clamped and fixed by the limiting ring into the clamping ring, the installation block and the connecting column are moved by starting the electric telescopic rod, the outer wall of the polishing ring is contacted with the ball valve rod, the transmission shaft is rotated by starting the motor, the telescopic column is moved by driving the sliding screw rod, the connecting plate is moved by driving, the clamping ring is moved, the clamping ring drives the ball valve rod to move in and out, at the same time, the sliding screw rod is rotated to drive the rotating column inside to rotate, the rotating column is rotated by the connecting plate to drive the clamping ring to rotate, the clamping ring is rotated to drive the ball valve rod to rotate, so that the polishing ring is used for polishing the ball valve rod comprehensively, and the efficient polishing operation of the ball valve rod can be realized through the cooperation of the above multiple parts;

[0018] 2. by setting the polishing mechanism, the installation block is moved by starting the electric telescopic rod, the connecting column is moved, the ball valve rod is fixed by driving the polishing ring, the connecting column is pushed to move the installation column by driving the ball valve rod to be fixed by the polishing ring, the installation column is moved to push the installation block to move, the installation block is extruded to move the telescopic spring, the telescopic spring is contracted under stress to drive the installation block to move inside the electric telescopic rod, the clamping column inside the electric telescopic rod is moved inside the installation block, the clamping column is clamped to the fixed screw through the installation column, the quick replacement and installation of the polishing ring can be realized through the cooperation of the above multiple parts, and the loosening phenomenon is not prone to occurring. ACCURACY OF DRAWINGS

[0019] Fig. 1 It is a structure schematic view of the polishing device for ball valve machining;

[0020] Fig. 2 It is an inside structure sectional view of the fixed plate and the connecting block of the polishing device for ball valve machining;

[0021] Fig. 3 It is a sectional view of the installation block of the polishing device for ball valve machining.

[0022] In the figure: 1, base; 101, No. 1 support column; 102, No. 2 support column; 2, fixing mechanism; 201, fixed plate; 202, motor; 203, connecting block; 204, telescopic column; 205, connecting plate; 206, clamping ring; 207, transmission shaft; 208, sliding screw; 209, limiting plate; 210, rotating column; 3, polishing mechanism; 301, fixed column; 302, electric telescopic rod; 303, mounting block; 304, mounting column; 305, connecting column; 306, polishing ring; 307, fixing screw; 308, telescopic spring; 309, clamping column; 4, No. 3 support column; 401, limiting ring. DETAILED DESCRIPTION

[0023] Please refer to Figs. 1-3 In the embodiment of the utility model, a polishing device for ball valve machining comprises:

[0024] The base 1 is provided with No. 1 support column 101 and No. 2 support column 102 at the top end, and the No. 2 support column 102 is located at one side of the No. 1 support column 101.

[0025] The fixing mechanism 2 is located at the top end of the No. 1 support column 101, and is used for clamping and rotating the ball valve rod;

[0026] The polishing mechanism 3 is two, and the two polishing mechanisms 3 are located at the top end of the No. 2 support column 102, and are used for polishing the ball valve rod;

[0027] The No. 3 support column 4 is located at the top end of the base 1 and at one side of the No. 2 support column 102, and the top end of the No. 3 support column 4 is provided with the limiting ring 401.

[0028] The polishing device for ball valve machining can realize quick fixing and rotating operation of the ball valve rod through the fixing mechanism 2, and can polish the outer wall of the ball valve rod through the polishing mechanism 3.

[0029] In Fig. 2The middle: the fixed mechanism 2 includes fixed plate 201, motor 202, connecting block 203, telescopic column 204, connecting plate 205, clamping ring 206, transmission shaft 207, sliding screw 208, limiting plate 209 and rotating column 210, the fixed plate 201 is located at the top of the first support column 101, the motor 202 is located at one side of the fixed plate 201, the connecting block 203 is located at the other side of the fixed plate 201, the transmission shaft 207 is located at one side of the fixed plate 201 and penetrates the fixed plate 201 to the inside of the connecting block 203, the sliding screw 208 is located at one side of the transmission shaft 207 and is located in the inside of the connecting block 203, the telescopic column 204 is located at one side of the connecting block 203 and penetrates to the inside of the connecting block 203 and the outer wall of the sliding screw 208, the connecting plate 205 is located at one side of the telescopic column 204, the clamping ring 206 is located at one side of the connecting plate 205, the limiting plate 209 is located at one side of the telescopic column 204 penetrating the inside of the connecting block 203, and the rotating column 210 is located at one side of the connecting plate 205 and is rotationally connected with the clamping ring 206, is located in the inside of the telescopic column 204, and penetrates the telescopic column 204 to the inside of the sliding screw 208.

[0030] The ball valve machining polishing device can quickly clamp the ball valve rod through the clamping ring 206 in the fixed mechanism 2, and move the ball valve rod through the telescopic column 204, so as to facilitate the all-round polishing operation of the ball valve rod.

[0031] In Fig. 3 The middle: the fixed mechanism 2 includes fixed plate 201, motor 202, connecting block 203, telescopic column 204, connecting plate 205, clamping ring 206, transmission shaft 207, sliding screw 208, limiting plate 209 and rotating column 210, the fixed plate 201 is located at the top of the first support column 101, the motor 202 is located at one side of the fixed plate 201, the connecting block 203 is located at the other side of the fixed plate 201, the transmission shaft 207 is located at one side of the fixed plate 201 and penetrates the fixed plate 201 to the inside of the connecting block 203, the sliding screw 208 is located at one side of the transmission shaft 207 and is located in the inside of the connecting block 203, the telescopic column 204 is located at one side of the connecting block 203 and penetrates to the inside of the connecting block 203 and the outer wall of the sliding screw 208, the connecting plate 205 is located at one side of the telescopic column 204, the clamping ring 206 is located at one side of the connecting plate 205, the limiting plate 209 is located at one side of the telescopic column 204 penetrating the inside of the connecting block 203, and the rotating column 210 is located at one side of the connecting plate 205 and is rotationally connected with the clamping ring 206, is located in the inside of the telescopic column 204, and penetrates the telescopic column 204 to the inside of the sliding screw 208.

[0032] The ball valve machining polishing device can move the polishing ring 306 through the electric telescopic rod 302, so that the polishing ring 306 is tightly attached to the outer wall of the ball valve rod, thereby realizing the polishing operation of the ball valve rod.

[0033] In Figs. 1-2The interior of the fixed plate 201 is provided with a transmission groove matched with the transmission shaft 207, the interior of the connecting block 203 is provided with a rotating groove matched with the sliding lead screw 208, the interior of the connecting block 203 is provided with a moving groove matched with the telescopic column 204, the interior of the telescopic column 204 is provided with a lead screw groove matched with the sliding lead screw 208, and the interior of the sliding lead screw 208 and the telescopic column 204 is provided with a telescopic groove matched with the rotating column 210.

[0034] The ball valve machining polishing device, the transmission shaft 207 drives the sliding lead screw 208 to rotate, and the telescopic column 204 moves along the outer wall of the sliding lead screw 208 when the sliding lead screw 208 rotates.

[0035] In Figs. 1-2 The plurality of clamping rings 206 are annularly distributed and the outer wall is provided with threads.

[0036] The ball valve machining polishing device, the plurality of clamping rings 206 are provided with a fixed sleeve matched with the outer wall trajectory, the fixed sleeve is provided with an internal thread matched with the outer wall thread of the clamping ring 206, the fixed sleeve is sleeved on the outer wall of the plurality of clamping blocks 206, and the fixed sleeve is connected with the clamping block 206 by rotating, and the plurality of clamping blocks 206 are extruded, so that the gap between the plurality of clamping blocks 206 is deformed, and the ball valve rod between the plurality of clamping blocks 206 is clamped and fixed.

[0037] In Figs. 1-3 The side of the mounting block 303 is provided with a mounting groove matched with the mounting column 304, the interior of the mounting block 303 is provided with a fixed groove matched with the mounting column 304, the interior of the electric telescopic rod 302 is provided with a spring groove matched with the telescopic spring 308, the interior of the mounting block 303 and the mounting column 304 is provided with a connecting groove matched with the clamping column 309, and the side of the fixed screw 307 is provided with a clamping groove matched with the clamping column 309.

[0038] The ball valve machining polishing device, the mounting block 303 and the mounting column 304 are mounted.

[0039] In Fig. 3 The top end of the mounting block 303 and the mounting column 304 is provided with a thread groove matched with the fixed screw 307, the top end surface of the mounting column 304 is provided with a clamping block, the interior of the polishing ring 306 is provided with a polishing groove matched with the ball valve rod, and the interior of the limiting ring 401 is provided with a ball valve rod groove matched with the ball valve rod.

[0040] The ball valve machining polishing device, the fixed screw 307 is used for mounting and fixing the mounting column 304.

[0041] The working principle of the utility model is: when the ball valve rod needs to be polished, the ball valve rod is inserted into the clamping ring 206 through the limiting ring 401 and the external fixed sleeve, then the fixed sleeve is connected with the clamping block 206, the fixed sleeve can extrude the clamping block 206, so that the plurality of clamping blocks 206 tightly adhere to the outer wall of the ball valve rod, thereby realizing the clamping and fixing of the ball valve rod, the electric telescopic rod 302 is started, so that the electric telescopic rod 302 drives the mounting block 303 and the connecting column 305 to move, the connecting column 305 drives the polishing ring 306 to contact the outer wall of the ball valve rod, then the motor 202 is started, so that the motor 202 drives the transmission shaft 207 to rotate, the transmission shaft 207 drives the sliding screw rod 208 to rotate, the sliding screw rod 208 drives the telescopic column 204 to move, so that the telescopic column 204 moves in the connecting block 203, the telescopic column 204 drives the connecting plate 205 to move, the connecting plate 205 drives the clamping ring 206 to move, so that the clamping ring 206 drives the ball valve rod to move in and out, at the same time, the sliding screw rod 208 drives the rotating column 310 in the inside to rotate, the rotating column 310 rotates through the connecting plate 205 to drive the clamping ring 206 to rotate, the clamping ring 206 rotates to drive the ball valve rod to rotate, so that the polishing ring 306 polishes the ball valve rod comprehensively, when the polishing ring 306 needs to be installed and fixed, the fixed column 304 is pushed, so that the fixed column 304 moves into the installation groove in the mounting block 303, the fixed column 304 drives the connecting column 305 to move close to the mounting block 303, the fixed screw 307 is rotated, so that the fixed screw 307 is installed in the mounting block 303, so that the fixed screw 307 fixes the installation column 304 in the mounting block 303, when the ball valve rod is polished, the electric telescopic rod 302 is started, so that the electric telescopic rod 302 drives the mounting block 303 to move, the mounting block 303 drives the connecting column 305 to move, the connecting column 305 drives the polishing ring 306 to fix the ball valve rod, the polishing ring 306 drives the connecting column 305 to push the installation column 304 to move, the installation column 304 drives the mounting block 303 to move, the mounting block 303 extrudes the telescopic spring 308, the telescopic spring 308 is contracted under stress to drive the mounting block 303 to move in the electric telescopic rod 302, so that the clamping column 309 in the electric telescopic rod 302 moves in the mounting block 303, so that the clamping column 309 clamps the fixed screw 307 through the installation column 304, so that the polishing ring 306 can be prevented from falling off when polishing the ball valve rod.

[0042] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A polishing device for ball valve processing, characterized by, Include: Base (1), the top of the base (1) is provided with a support column (101) and a support column (102), the support column (102) is located on one side of the support column (101); Fixing mechanism (2), the fixing mechanism (2) is located at the top of the support column (101), used for clamping and rotating the ball valve rod; Polishing mechanism (3), the polishing mechanism (3) has two, two polishing mechanisms (3) are located at the top of the support column (102), used for polishing the ball valve rod; The third support column (4) is located at the top of the base (1), and is located on one side of the second support column (102), the top of the third support column (4) is provided with a limiting ring (401).

2. The ball valve machining polishing device according to claim 1, characterized in that, The fixing mechanism (2) includes a fixed plate (201), a motor (202), a connecting block (203), a telescopic column (204), a connecting plate (205), a clamping ring (206), a transmission shaft (207), a sliding screw (208), a limiting plate (209) and a rotating column (210), the fixed plate (201) is located at the top of the support column (101), the motor (202) is located on one side of the fixed plate (201), the connecting block (203) is located on the other side of the fixed plate (201), the transmission shaft (207) is located on one side of the fixed plate (201) and penetrates the fixed plate (201) to the inside of the connecting block (203), the sliding screw (208) is located on one side of the transmission shaft (207) and located in the inside of the connecting block (203), the telescopic column (204) is located on one side of the connecting block (203) and penetrates to the inside of the connecting block (203) and the outer wall of the sliding screw (208) is sleeved, the connecting plate (205) is located on one side of the telescopic column (204), the clamping ring (206) is located on one side of the connecting plate (205), the limiting plate (209) is located on one side of the telescopic column (204) penetrating the inside of the connecting block (203), the rotating column (210) is located on one side of the connecting plate (205) and the clamping ring (206) is rotatably connected, and is located in the inside of the telescopic column (204) and penetrates the telescopic column (204) to the inside of the sliding screw (208).

3. The ball valve machining polishing device according to claim 1, characterized in that, The polishing mechanism (3) comprises a fixed column (301), an electric telescopic rod (302), a mounting block (303), a mounting column (304), a connecting column (305), a polishing ring (306), a fixed screw (307), a telescopic spring (308), and a clamping column (309), the fixed column (301) is located at the top of the second supporting column (102), the electric telescopic rod (302) is located at one side of the fixed column (301), the mounting block (303) is located at one side of the electric telescopic rod (302) and penetrates into the inside of the electric telescopic rod (302), the connecting column (305) is located at one side of the mounting block (303), the mounting column (304) is located at one side of the connecting column (305) and penetrates into the inside of the mounting block (303), the polishing ring (306) is located at one side of the connecting column (305), the fixed screw (307) is located at the top of the mounting block (303) and penetrates into the inside of the mounting block (303), the telescopic spring (308) is located in the inside of the electric telescopic rod (302) and at one side of the mounting block (303) penetrating into the inside of the electric telescopic rod (302), and the clamping column (309) is located at one side of the inside of the electric telescopic rod (302) and in the middle of the telescopic spring (308) and penetrates into the inside of the mounting block (303).

4. The ball valve machining polishing device according to claim 2, characterized in that, The inside of the fixed plate (201) is provided with a transmission groove matched with the transmission shaft (207), the inside of the connecting block (203) is provided with a rotating groove matched with the sliding lead screw (208), the inside of the connecting block (203) is provided with a moving groove matched with the telescopic column (204), the inside of the telescopic column (204) is provided with a lead screw groove matched with the sliding lead screw (208), and the inside of the sliding lead screw (208) and the telescopic column (204) is provided with an expansion groove matched with the rotating column (210).

5. The ball valve machining polishing device according to claim 2, characterized in that, A plurality of clamping rings (206) are arranged in an annular distribution and the outer wall of the clamping ring (206) is provided with threads.

6. The ball valve machining polishing device according to claim 3, characterized in that, One side of the mounting block (303) is provided with a mounting groove matched with the mounting column (304), the inside of the mounting block (303) is provided with a fixed groove matched with the mounting column (304), the inside of the electric telescopic rod (302) is provided with a spring groove matched with the telescopic spring (308), the inside of the mounting block (303) and the mounting column (304) is provided with a connecting groove matched with the clamping column (309), and one side of the fixed screw (307) is provided with a clamping groove matched with the clamping column (309).

7. The ball valve machining polishing device according to claim 3, characterized in that, The top of the mounting block (303) and the mounting column (304) is provided with a threaded groove matched with the fixed screw (307), the top surface of the mounting column (304) is provided with a clamping block, the inside of the polishing ring (306) is provided with a polishing groove matched with the ball valve rod, and the inside of the limiting ring (401) is provided with a ball valve rod groove matched with the ball valve rod.