CN220112962U

CN220112962U - Polishing mechanism

Info

Publication number: CN220112962U
Application number: CN202321229796.9U
Authority: CN
Inventors: 周洪军; 徐洪生; 徐于平; 陈宗柏
Original assignee: Yancheng Rexin Valve Manufacturing Co ltd
Current assignee: Yancheng Rexin Valve Manufacturing Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-12-01
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the technical field of polishing mechanisms, in particular to a polishing mechanism, which comprises: the abrasive paper is characterized in that a valve rod is arranged at the top end of the abrasive paper, threads are formed at one end of the valve rod, two groups of clamping plates are movably connected to the top end of the abrasive paper, diamond nails and supporting rods are fixed at the bottom ends of the clamping plates and movably inserted into the top ends of the supporting plates, and a motor is arranged at one end of the abrasive paper; the beneficial effects are as follows: according to the polishing mechanism provided by the utility model, the valve rod is connected with the rotating shaft with the other end connected with the motor through threaded connection, the abrasive paper is clamped on the surface of the supporting plate through the clamping plate, and then the motor is used for driving the valve rod to rotate on the abrasive paper at a high speed for polishing, so that the efficiency is extremely high; machining, and ensuring the yield; the top of the operating table is provided with the protective cover for shielding splashed scraps, so that the working environment of workers is improved.

Description

Polishing mechanism

Technical Field

The utility model relates to the field of polishing mechanisms, in particular to a polishing mechanism.

Background

The valve rod is one of important parts of the valve, the valve rod is used for transmission, the upper part is connected with an actuating mechanism or a handle, the lower part directly drives the valve core to move or rotate so as to realize the valve opening and closing or adjusting function, the valve rod needs to be in friction contact with the filler and the valve body in the working state, and the valve rod is a sealing part, so that the valve rod body has higher requirements on the smoothness.

In the prior art, the valve rod is generally polished by clamping the valve rod on a bench vice and then polishing the valve rod by a worker through sand paper, so that the rod body of the valve rod has good smoothness.

However, in the prior art, the bench vice needs to be loosened to turn over every grinding surface, so that the efficiency is extremely low; the polishing effect is uneven, and the proficiency of workers is completely seen; the large amount of scraps generated by polishing are scattered and splashed, so that the working environment of workers is poor.

Disclosure of Invention

The present utility model is directed to a polishing mechanism, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a grinding mechanism comprising: sand paper, the top of sand paper is provided with the valve rod, and the screw thread has been seted up to the one end of valve rod, the top swing joint of sand paper has two sets of splint, and the bottom mounting of splint has diamond nail and bracing piece, and diamond nail and bracing piece activity are pegged graft on the top of layer board, and the one end of sand paper is provided with the motor.

Preferably, the bottom end fixing of layer board and motor is at the top of operation panel, and the top of operation panel still is fixed with the baffle, has seted up the locating hole on the top surface of operation panel, and the top swing joint of operation panel has the protection casing, and the bottom of protection casing is provided with the locating pin, and the locating pin activity of protection casing is pegged graft in the locating hole, and the protection casing adopts transparent plastic material to make.

Preferably, the surface of the baffle is provided with a shaft hole, a sliding bearing outer ring is movably inserted in the shaft hole, the sliding bearing outer ring is of an annular cylinder structure, the sliding bearing outer ring is sleeved on the surface of a sliding bearing inner ring, the sliding bearing inner ring is of an annular cylinder structure, and the sliding bearing inner ring is sleeved on the surface of the rotating shaft.

Preferably, a motor shaft groove is formed in one end of the rotating shaft, a transmission shaft of the motor is movably inserted into the motor shaft groove, screw holes are formed in the surfaces of the transmission shaft of the motor and the rotating shaft, the same screw is rotatably connected in the screw holes of the transmission shaft of the motor and the rotating shaft, a screw hole is formed in the other end of the rotating shaft, threads are formed in the arc-shaped side wall of the screw hole, and one end of the valve rod, provided with the threads, is rotatably inserted into the screw hole.

Preferably, the surface of the supporting plate is provided with a sand paper clamp mounting hole and a nail hole, the supporting rod is movably inserted into the sand paper clamp mounting hole, a spring is fixed on the surface of one end of the supporting rod inserted into the sand paper clamp mounting hole, the other end of the spring is fixed at the position of the top end of the operating table corresponding to the sand paper clamp mounting hole, and the diamond nail penetrates through the sand paper and is movably inserted into the nail hole.

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

according to the polishing mechanism provided by the utility model, the valve rod is connected with the rotating shaft with the other end connected with the motor through threaded connection, the abrasive paper is clamped on the surface of the supporting plate through the clamping plate, and then the motor is used for driving the valve rod to rotate on the abrasive paper at a high speed for polishing, so that the efficiency is extremely high; machining, and ensuring the yield; the top of the operating table is provided with the protective cover for shielding splashed scraps, so that the working environment of workers is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model in a non-shielded state;

FIG. 3 is a schematic view of the structures on the console;

FIG. 4 is a schematic diagram of the valve stem, shaft and motor;

FIG. 5 is a schematic view of the structures of the sandpaper clip;

FIG. 6 is a schematic view of a cross-sectional structure of a mounting hole of a sandpaper clip;

fig. 7 is an enlarged schematic view of the structure at a in fig. 6.

In the figure: the device comprises an operation table 1, a protective cover 2, a positioning hole 3, a motor 4, a baffle 5, a shaft hole 6, a supporting plate 7, a sand paper clamp mounting hole 8, a nail hole 9, a motor shaft groove 10, a sliding bearing outer ring 11, a sliding bearing inner ring 12, a rotating shaft 13, a wire hole 14, a valve rod 15, a clamping plate 16, diamond nails 17, a supporting rod 18, a spring 19 and sand paper 20.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Example 1

Referring to fig. 1 to 7, the present utility model provides a technical solution: a grinding mechanism comprising: sandpaper 20, the top of sandpaper 20 is provided with valve rod 15, its characterized in that: two groups of clamping plates 16 are movably connected to the top end of the sand paper 20, diamond nails 17 and supporting rods 18 are fixed to the bottom ends of the clamping plates 16, the diamond nails 17 and the supporting rods 18 are movably inserted into the top ends of the supporting plates 7, and a motor 4 is arranged at one end of the sand paper 20.

Example two

On the basis of the first embodiment, in order to clamp the sand paper on the surface of the supporting plate, a sand paper clamp mounting hole 8 and a nail hole 9 are formed in the surface of the supporting plate 7, a supporting rod 18 is movably inserted into the sand paper clamp mounting hole 8, a spring 19 is fixed on one end surface of the supporting rod 18 inserted into the sand paper clamp mounting hole 8, the other end of the spring 19 is fixed on the top end of the operating platform 1 at a position corresponding to the sand paper clamp mounting hole 8, and diamond nails 17 penetrate through sand paper 20 and are movably inserted into the nail hole 9.

Example III

On the basis of the second embodiment, in order to limit the valve rod to the rotating shaft, the other end of the rotating shaft 13 is provided with a threaded hole 14, the arc-shaped side wall of the threaded hole 14 is provided with threads, one end of the valve rod 15 is provided with threads, and one end of the valve rod 15 provided with the threads is rotationally inserted into the threaded hole 14.

Example IV

On the basis of the third embodiment, in order to prevent splashed scrap iron from damaging the motor and not affecting the motor to transmit power to the valve rod, the top end of the operating platform 1 is also fixed with the baffle 5, the surface of the baffle 5 is provided with the shaft hole 6, the shaft hole 6 is movably inserted with the outer ring 11 of the sliding bearing, the outer ring 11 of the sliding bearing is in an annular cylinder structure, the outer ring 11 of the sliding bearing is sleeved on the surface of the inner ring 12 of the sliding bearing, the inner ring 12 of the sliding bearing is in an annular cylinder structure, the inner ring 12 of the sliding bearing is sleeved on the surface of the rotating shaft 13, one end of the rotating shaft 13 is provided with the motor shaft groove 10, the transmission shaft of the motor 4 is movably inserted in the motor shaft groove 10, the transmission shaft of the motor 4 and the surface of the rotating shaft 13 are provided with screw holes, the other end of the rotating shaft 13 is provided with the screw hole 14, the arc-shaped side wall of the screw hole 14 is provided with screw threads, and one end of the valve rod 15 is provided with screw threads to be rotatably inserted in the screw hole 14.

In actual use, the first step is to mount the sand paper 20, pull up one group of clamping plates 16, at this time, the supporting rod 18 stretches out from the sand paper clamp mounting hole 8, the spring 19 is stretched, then place the sand paper 20 on the top end of the supporting plate 7, one end of the sand paper 20 is placed between the clamping plates 16 and the supporting plate 7 which are pulled up, then slowly lower the clamping plates 16 until the bottom ends of the diamond nails 17 are abutted against the top ends of the sand paper 20, the hand pulling up the clamping plates 16 is pressed down with force instead to make the diamond nails 17 penetrate the sand paper 20 and insert into the nail holes 9, the other end of the sand paper 20 is clamped between the other group of clamping plates 16 and the supporting plate 7 according to the method, so as to ensure the flatness of the sand paper 20, namely, the mounting of the sand paper 20 is finished, the spring 19 is arranged because the condition that the sand paper 20 is finally separated due to the vibration of the motor after the clamping plates 16 start due to the vibration and the like is avoided; secondly, the valve rod 15 is installed, one hand of a worker clamps the nut-shaped part arranged on the surface of the rotating shaft 13 by using pliers to prevent the nut-shaped part from rotating, and the other hand of the worker screws one end of the valve rod 15 provided with threads into the threaded hole 14 and tightens the threaded hole, so that the valve rod 15 can be installed; thirdly, installing the protective cover 2, aligning a positioning pin at the bottom end of the protective cover 2 with a positioning hole 3 formed at the top end of the operation table 1, inserting the positioning pin into the positioning hole 3, and covering the protective cover 2 at the top end of the operation table 1 to finish the installation of the protective cover 2; the fourth part starts polishing, the motor 4 is electrified and started, the transmission shaft of the motor 4 is inserted into a motor shaft groove 10 formed in the surface of a rotating shaft 13, under the action of a screw, the torque of the motor 4 is transmitted to the motor shaft groove 10, the rotation of the motor shaft groove 10 drives a sliding bearing inner ring 12, the sliding bearing inner ring 12 slides and rotates in an inner ring of a sliding bearing outer ring 11, the sliding bearing outer ring 11 is inserted into a shaft hole 6 and does not rotate along with the sliding bearing inner ring 12, the sliding bearing formed by the sliding bearing outer ring 11 and the sliding bearing inner ring 12 bears the gravity of the rotating shaft 13 and a valve rod 15, and the gravity is directly transmitted to an operation table 1 through a baffle 5, so that the transmission shaft of the motor 4 is not subjected to radial force, the motor 4 is protected, and meanwhile, splashed fragments are shielded by the baffle 5, and the motor 4 is protected from being influenced by fragments.

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

1. A grinding mechanism comprising: the abrasive paper (20), the top of abrasive paper (20) is provided with valve rod (15), and the screw thread is seted up to the one end of valve rod (15), its characterized in that: two groups of clamping plates (16) are movably connected to the top end of the sand paper (20), diamond nails (17) and supporting rods (18) are fixed to the bottom ends of the clamping plates (16), the diamond nails (17) and the supporting rods (18) are movably inserted into the top ends of the supporting plates (7), and a motor (4) is arranged at one end of the sand paper (20).

2. A grinding mechanism according to claim 1, wherein: the bottom of layer board (7) and motor (4) is fixed on the top of operation panel (1), and baffle (5) have still been fixed with on the top of operation panel (1), and locating hole (3) have been seted up on the top surface of operation panel (1), and the top swing joint of operation panel (1) has protection casing (2), and the bottom of protection casing (2) is provided with the locating pin, and the locating pin activity of protection casing (2) is pegged graft in locating hole (3), and protection casing (2) adopt transparent plastic material to make.

3. A grinding mechanism as claimed in claim 2, wherein: the surface of baffle (5) has seted up shaft hole (6), and the activity has pegged graft in shaft hole (6) slide bearing outer ring (11), and slide bearing outer ring (11) are annular cylinder structure, and slide bearing outer ring (11) cover is established on the surface of slide bearing inner ring (12), and slide bearing inner ring (12) are annular cylinder structure, and slide bearing inner ring (12) cover is established on the surface of pivot (13).

4. A grinding mechanism according to claim 3, wherein: the motor shaft groove (10) has been seted up to one end of pivot (13), the transmission shaft activity of motor (4) is pegged graft in motor shaft groove (10), the screw has all been seted up on the transmission shaft of motor (4) and the surface of pivot (13), the same screw of swivelling joint has in the screw of transmission shaft of motor (4) and pivot (13), screw hole (14) have been seted up to the other end of pivot (13), set up the screw thread on the arc lateral wall of screw hole (14), screw thread one end rotatory grafting is seted up in screw hole (14) in valve rod (15).

5. A grinding mechanism according to claim 1, wherein: sand paper clamp mounting holes (8) and nail holes (9) are formed in the surface of the supporting plate (7), the supporting rods (18) are movably inserted into the sand paper clamp mounting holes (8), springs (19) are fixed on the surface of one end of each supporting rod (18) inserted into each sand paper clamp mounting hole (8), the other ends of the springs (19) are fixed on positions, corresponding to the sand paper clamp mounting holes (8), of the top end of the operating table (1), and the diamond nails (17) penetrate through sand paper (20) to be movably inserted into the nail holes (9).