Grinding device for ball valve production

Abstract

The grinding device for ball valve production comprises a ball valve and further comprises an operation table, a motor, a grinder and a screw rod, the motor is fixedly connected to the operation table, a rotating seat is fixedly connected to an output shaft of the motor, electric telescopic rods are symmetrically and fixedly connected to the inner walls of a left side plate and a right side plate of the operation table, and the grinder is fixedly connected to the telescopic ends of the electric telescopic rods. The device has the advantages that the ball valve is placed on the supporting plate, the handle is rotated, the pressing plate gradually moves downwards, the supporting plate drives the ball valve to move downwards, the ball valve is matched with the rotating seat, meanwhile, the pressing plate compresses the spring, the pressing head downwards presses the ball valve, the electric telescopic rod switch is turned on, and the ball valve is driven to rotate. The telescopic end of the electric telescopic rod drives the grinders on the left side and the right side to move towards the middle, the motor works, the rotating seat drives the ball valve to rotate and open the valve, grinding liquid drops on the surface of the ball valve, grinding of the ball valve is achieved, and therefore the grinding effect of the ball valve and the performance of the ball valve are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve production, in particular to a grinding device for ball valve production. Background Art

[0002] As a type of valve, the working principle of a ball valve is that the rotation of the valve stem drives the ball to rotate around its axis, thereby realizing the opening, closing or adjustment of the fluid. During the production process of the ball valve, the grinding device is responsible for improving the smoothness of the ball surface through friction to ensure the sealing performance and smooth operation of the ball valve.

[0003] As Figure 1 shown, the top of the existing ball valve A is provided with a flat surface, a through hole B is opened in the ball valve A, and a square processing hole C is opened at the bottom of the ball valve A. Although the existing grinding devices for ball valve production on the market can already meet the basic production requirements, when grinding, the grinding tool needs to be manually assembled on the grinding device. Due to the influence of human factors, the assembly accuracy may not be high enough, affecting the subsequent grinding effect and the performance of the ball valve, and it is difficult to ensure consistent product quality. Summary of the Utility Model

[0004] To solve the above problems, the utility model provides a grinding device for ball valve production, and the utility model is realized through the following technical solutions.

[0005] A grinding device for ball valve production includes a ball valve. The top of the ball valve is provided with a flat surface, a through hole is opened in the ball valve, and a square processing hole is opened at the bottom of the ball valve. It is characterized in that it further includes an operating table, a motor, a grinder and a screw rod; the motor is fixedly connected to the operating table, and the top of the output shaft of the motor is fixedly connected with a square rotating seat, and the rotating seat is adapted to the processing hole; symmetrically fixed on the inner walls of the left and right side plates of the operating table are electric telescopic rods, the grinder is fixedly connected to the telescopic ends of the electric telescopic rods, and an arc-shaped groove is opened on the side of the grinder close to each other; the top of the screw rod is rotatably connected to the top plate of the operating table, the bottom of the screw rod is fixedly connected with a handle, a pressing plate is engaged with the screw rod, a baffle is fixedly connected inside the operating table, a first opening is opened on the baffle, the pressing plate is slidably connected in the first opening, a guide rod is fixedly connected to the front side of the baffle, the pressing plate is slidably connected to the guide rod, the front end of the pressing plate is slidably connected with a sliding rod, limiting blocks and a pressing head are respectively fixedly connected to the upper and lower ends of the sliding rod, and a spring is sleeved on the sliding rod between the pressing head and the pressing plate.

[0006] Preferably, the bottom of the screw rod is fixedly connected with a handle.

[0007] Preferably, a threaded sleeve is fixedly connected inside the pressing plate, and the screw rod is engaged in the threaded sleeve.

[0008] Preferably, a connecting plate is fixedly connected to the lower surface of the pressing plate, a supporting plate is fixedly connected to the bottom of the connecting plate, and a second opening is formed in the supporting plate, and the second opening is matched with the ball valve.

[0009] Preferably, a liquid storage bucket is fixedly connected to the operating table, a hose is fixedly connected to the lower side of the liquid storage bucket, the other end of the hose is fixedly connected in the installation bucket, a valve is installed on the hose, and liquid outlet ports are densely distributed on the front and rear sides of the installation bucket.

[0010] The beneficial effects of the present utility model are as follows:

[0011] The beneficial effect of the present utility model is that the ball valve is placed on the supporting plate, the grinding hole is embedded in the grinding device, the handle is rotated, the pressing plate is driven to move downward by the screw rod, the supporting plate drives the ball valve to move downward, so that the grinding hole is completely embedded in the rotating seat, and at the same time, the pressing head moves downward to limit the ball valve. The switch of the electric telescopic rod is pressed, the telescopic end of the electric telescopic rod gradually extends, driving the grinding device to move towards the middle, the motor works, the rotating seat drives the ball valve to rotate, the valve is opened, the grinding liquid flows into the installation bucket, and then flows to the surface of the ball valve from the liquid outlet ports, making the spherical surface of the ball valve smoother and more uniform. Thus, the rotating seat drives the ball valve to rotate and grind between the two grinding devices, reducing the workload of workers and improving the grinding effect and performance of the ball valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0013] Figure 1 : Schematic diagram of a ball valve in the prior art;

[0014] Figure 2 : Three-dimensional schematic diagram of a grinding device for manufacturing a ball valve according to the present utility model;

[0015] Figure 3 : Cross-sectional view of a grinding device for manufacturing a ball valve according to the present utility model;

[0016] Figure 4 : Front view of a grinding device for manufacturing a ball valve according to the present utility model;

[0017] Figure 5 : Rear view of a grinding device for manufacturing a ball valve according to the present utility model;

[0018] Figure 6 : The present utility model Figure 3 The enlarged view of the partial area Ⅰ shown in the figure;

[0019] Figure 7 : The present utility model Figure 4 The partial enlarged view at the position marked Ⅱ as shown in the figure.

[0020] The reference numerals are as follows:

[0021] A - ball valve, B - through hole, C - machining hole, 1 - operating table, 11 - liquid storage barrel, 12 - hose, 13 - installation barrel, 14 - valve, 15 - liquid outlet, 2 - motor, 21 - rotating seat, 3 - grinder, 31 - electric telescopic rod, 32 - arc groove, 4 - screw rod, 41 - pressing plate, 42 - baffle plate, 43 - first opening, 44 - guide rod, 45 - sliding rod, 46 - limiting block, 47 - pressing head, 48 - spring, 49 - handle, 410 - threaded sleeve, 411 - connecting plate, 412 - supporting plate, 413 - second opening. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0023] As Figures 1-7 shown, a grinding device for the production of ball valves includes a ball valve A. The top of the ball valve A is provided with a flat surface. A through hole B is opened in the ball valve A, and a square machining hole C is opened at the bottom of the ball valve A. The device further includes an operating table 1, a motor 2, a grinder 3, and a screw rod 4. The motor 2 is fixedly connected to the operating table 1. The top of the output shaft of the motor 2 is fixedly connected with a square rotating seat 21, and the rotating seat 21 is adapted to the machining hole C. The inner walls of the left and right side plates of the operating table 1 are symmetrically and fixedly connected with electric telescopic rods 31. The grinder 3 is fixedly connected to the telescopic ends of the electric telescopic rods 31. An arc groove 32 is opened on the side of the grinder 3 close to each other. The top of the screw rod 4 is rotatably connected to the top plate of the operating table 1. A pressing plate 41 is engaged with the screw rod 4. A baffle plate 42 is fixedly connected inside the operating table 4. A first opening 43 is opened on the baffle plate 42. The pressing plate 41 is slidably connected in the first opening 43. A guide rod 44 is fixedly connected to the front side of the baffle plate 42. The pressing plate 41 is slidably connected to the guide rod 44. A sliding rod 45 is slidably connected to the front end of the pressing plate 41. Limiting blocks 46 and a pressing head 47 are respectively fixedly connected to the upper and lower ends of the sliding rod 45. A spring 48 is sleeved on the sliding rod 45 between the pressing head 47 and the pressing plate 41.

[0024] The spring 48 is sleeved on the sliding rod 45 between the pressing plate 41 and the pressing head 47. During grinding, the pressing head 47 is pressed by the pressing plate 41 to press the ball valve A, and the spring 48 can achieve the effect of shock absorption and buffering.

[0025] A handle 49 is fixedly connected to the bottom of the screw rod 4.

[0026] A threaded sleeve 410 is fixedly connected inside the pressing plate 41, and the screw rod 4 is engaged in the threaded sleeve 410.

[0027] A connecting plate 411 is fixedly connected to the lower surface of the pressing plate 41, a supporting plate 412 is fixedly connected to the bottom of the connecting plate 411, and a second opening 413 is formed in the supporting plate 412, and the second opening 413 matches the ball valve A.

[0028] A liquid storage barrel 11 is fixedly connected to the workbench 1, a hose 12 is fixedly connected to the lower side of the liquid storage barrel 11, the other end of the hose 12 is fixedly connected in an installation barrel 13, a valve 14 is installed on the hose 12, and liquid outlet ports 15 are densely arranged on the front and rear sides of the installation barrel 13.

[0029] By opening the valve 14, the grinding liquid flows into the installation barrel 13 and then flows from the liquid outlet ports 15 to the spherical surface of the ball valve A, so that the grinding of the ball valve A is more uniform.

[0030] A specific embodiment of the present utility model is as follows:

[0031] As Figure 1 and 2 shown, the motor 2 is fixedly connected to the workbench 1, the rotating seat 21 is fixedly connected to the output shaft of the motor 2, the electric telescopic rods 31 are symmetrically and fixedly connected to the left and right sides of the workbench 1, the grinding device 3 is fixedly connected to the telescopic ends of the electric telescopic rods 31, the top of the screw rod 4 is rotatably connected to the top plate of the workbench 1, the pressing plate 41 is engaged with the screw rod 4, the baffle plate 42 is fixedly connected in the workbench 4, a first opening 43 is formed in the baffle plate 42, the pressing plate 41 is slidably connected in the first opening 43, a guide rod 44 is fixedly connected to the front side of the baffle plate 42, the pressing plate 41 is slidably connected to the guide rod 44, a sliding rod 45 is slidably connected to the front end of the pressing plate 41, a limiting block 46 and a pressing head 47 are respectively fixedly connected to the upper and lower ends of the sliding rod 45, a spring 48 is sleeved on the sliding rod 45 between the pressing head 47 and the pressing plate 41, the liquid storage barrel 11 is fixedly connected to the workbench 1, the hose 12 is fixedly connected to the lower side of the liquid storage barrel 11, the other end of the hose 12 is fixedly connected in the installation barrel 13, the valve 14 is installed on the hose 12, and the liquid outlet ports 15 are densely arranged on the front and rear sides of the installation barrel 13.

[0032] Place the ball valve A on the support plate 412, turn the handle 49 to drive the pressing plate 41 to move downward, the support plate 412 drives the ball valve A to move downward, so that the ball valve A is placed on the rotating seat 21. At the same time, the pressing head 47 moves downward, compresses the spring 48 to press down on the ball valve A. Press the switch of the electric telescopic rod 31, and the telescopic end of the electric telescopic rod 31 gradually extends, driving the grinder 3 to move towards the middle. The motor 2 starts to work, drives the ball valve A to rotate through the rotating seat 21 and is ground by the two grinders 3. At the same time, open the valve 14 to make the grinding liquid flow into the installation barrel 13 and then flow out from the liquid outlet 15 to the surface of the ball valve A, making the grinding of the ball valve A more uniform. After grinding, close the valve 14, press the switch of the electric telescopic rod 31, and the telescopic end 32 gradually retracts. Turn the handle 43 to drive the pressing plate 41 to move upward, thereby driving the support plate 412 to gradually rise. The support plate 412 rises to lift the ball valve A, and the ball valve A is removed, thus realizing the grinding of the ball valve.

[0033] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to only the specific embodiments. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A grinding device for ball valve production, comprising a ball valve A, wherein the top of the ball valve A is provided with a plane, a through hole B is provided in the ball valve A, and a square processing hole C is provided at the bottom of the ball valve A, characterized in that: The machine also comprises an operating table (1), a motor (2), a grinder (3) and a screw (4); the motor (2) is fixedly connected to the operating table (1), a square rotating seat (21) is fixedly connected to the top of the output shaft of the motor (2), and the rotating seat (21) is adapted to the processing hole C; the inner walls of the left and right side panels of the operating table (1) are symmetrically fixedly connected with electric telescopic rods (31), the grinder (3) is fixedly connected to the telescopic end of the electric telescopic rod (31), and an arc groove (32) is provided on the side of the grinder (3) close to each other; the top of the screw (4) is rotatably connected to the top plate of the operating table (1), and the screw (4) A pressure plate (41) is meshed on the upper surface, a baffle (42) is fixedly connected inside the operating table (1), a first opening (43) is opened on the baffle (42), the pressure plate (41) is slidably connected in the first opening (43), a guide rod (44) is fixedly connected to the front side of the baffle (42), the pressure plate (41) and the guide rod (44) are slidably connected, a sliding rod (45) is slidably connected to the front end of the pressure plate (41), the upper and lower ends of the sliding rod (45) are respectively fixedly connected to a limit block (46) and a pressure head (47), and a spring (48) is sleeved on the sliding rod (45) between the pressure head (47) and the pressure plate (41).

2. A grinding device for ball valve production according to claim 1, characterized in that: A handle (49) is fixedly connected to the bottom of the screw rod (4).

3. A grinding device for ball valve production according to claim 1, characterized in that: A threaded sleeve (410) is fixedly connected inside the pressing plate (41), and the screw rod (4) is meshed in the threaded sleeve (410).

4. A grinding device for ball valve production according to claim 1, characterized in that: A connecting plate (411) is fixedly connected to the lower surface of the pressing plate (41), a supporting plate (412) is fixedly connected to the bottom of the connecting plate (411), a second opening (413) is provided on the supporting plate (412), and the second opening (413) matches the ball valve A.

5. A grinding device for ball valve production according to claim 1, characterized in that: A liquid storage barrel (11) is fixedly connected to the operating table (1), a hose (12) is fixedly connected to the lower side of the liquid storage barrel (11), the other end of the hose (12) is fixedly connected to a mounting barrel (13), a valve (14) is installed on the hose (12), and liquid outlets (15) are densely distributed on the front and rear sides of the mounting barrel (13).

Images