Valve polishing device

Abstract

According to the valve polishing device, the first rotating shaft and the second rotating shaft are arranged in the water tank, the chain wheels are arranged on the first rotating shaft and the second rotating shaft, the containing tables are installed between the chains on the chain wheels at equal intervals, and after valves are placed in the T-shaped containing grooves in the containing tables, the first motor rotates to drive the first rotating shaft to rotate; when the placing table moves to the position under the positioning assembly, flange end faces at the two ends of the valve correspond to the grinding assemblies, the valve can be clamped between the placing table and the positioning block by starting the positioning assembly, and then the flange end faces at the two ends of the valve can be synchronously ground by synchronously starting the moving assembly and the grinding assemblies. And after polishing is finished, the first motor is started again to drive the polished valve to move, meanwhile, a new valve needing to be polished is driven to move to the position below the positioning assembly, the next valve can be polished, the valve does not need to be placed during polishing every time and taken after polishing, shutdown is avoided, and the efficiency of the valve is higher.

Description

Technical Field

[0001] This utility model relates to a valve grinding device, belonging to the field of valve grinding technology. Background Technology

[0002] Valves are mechanical devices that control the flow rate of fluids and have a wide range of applications. The outer shell of a valve is usually manufactured by casting. After casting, the end faces of the casting need to be ground to ensure surface quality, so as to facilitate a proper fit with the flange of the pipe and prevent leakage.

[0003] Chinese Patent CN220481142U, entitled "A Valve End Face Grinding Device," includes a frame and a self-centering clamping device mounted on the frame. The frame, from top to bottom, includes a driving chamber, a grinding chamber, and a dust collection chamber. The self-centering clamping device is located within the grinding chamber. A sliding through hole connects the driving chamber and the grinding chamber. Grinding slides are symmetrically arranged within the sliding through hole. Grinding devices are mounted on the sidewalls of the grinding slides, and the grinding devices are symmetrically arranged on both sides of the self-centering clamping device. Specifically, this utility model provides a valve end face grinding device that achieves self-centering fixation of the valve through a bidirectional adjustable clamping device, and the symmetrically arranged grinding devices enable synchronous grinding of both valve end faces, significantly improving grinding efficiency.

[0004] However, the aforementioned patent requires that when grinding the flange faces of multiple valves, the equipment must be stopped after grinding one valve, and a new valve to be ground must be replaced before the equipment can be restarted for grinding. This results in poor continuity of grinding multiple valves, leading to low batch grinding efficiency. Therefore, this utility model proposes a valve grinding device. Utility Model Content

[0005] Based on the above background, the purpose of this utility model is to provide a valve grinding device to solve the problems in the background art.

[0006] This utility model provides the following technical solution:

[0007] A valve grinding device includes a machine base. A water tank is located on the top of the machine base. A first rotating shaft is rotatably connected to the left end of the water tank, and a second rotating shaft is rotatably connected to the right end of the water tank. A set of sprockets is mounted on both the first and second rotating shafts, with each set of sprockets corresponding to the other. The two sets of sprockets are connected by a chain drive. Multiple placement platforms are equidistantly mounted on the chain, and each placement platform has a T-shaped placement groove on its top. A first motor is mounted on the left front end of the machine base, and the output shaft of the first motor is connected to the first rotating shaft. Extension platforms, integrated with the machine base, extend from the front and rear surfaces of the center of the machine base. Each extension platform has a sliding groove on its top, and the grooves are symmetrically positioned. A moving component is installed within each groove, and a grinding component is mounted on the moving component. Columns are fixedly connected to both sides of the sliding groove on the top of each extension platform. An inverted U-shaped mounting plate is mounted on the top of each column, and a positioning component is mounted on the U-shaped mounting plate.

[0008] Preferably, the movable component includes a threaded rod rotatably connected to a slide groove, a movable plate threadedly connected to the threaded rod, the movable plate slidingly engaging with the slide groove, a second motor mounted on the end face of the extension platform away from the water tank, the output shaft of the second motor being connected to the threaded rod, and the grinding component being fixedly connected to the top of the movable plate.

[0009] Preferably, the polishing assembly includes an L-shaped follower plate, which is fixedly installed on the top of the movable plate. A third motor is mounted on the L-shaped follower plate, and a polishing wheel is mounted on the output shaft of the third motor. The polishing wheel is close to the water tank.

[0010] Preferably, the positioning component includes a cylinder, which is fixedly installed at the top center of the U-shaped mounting plate. The cylinder output shaft extends through to the bottom of the U-shaped mounting plate, and a positioning block is fixedly installed at the bottom of the cylinder output shaft. A T-shaped slot is provided at the bottom of the positioning block.

[0011] Preferably, a discharge trough is provided on the top right side of the machine platform, and a liquid discharge pipe is provided on the front right side of the machine platform. The liquid discharge pipe extends to the bottom of the water tank, and a control valve is installed on the liquid discharge pipe.

[0012] Preferably, a corrugated pipe is provided on the left side of the extension platform inside the water tank, and a nozzle is provided on the top of the corrugated pipe.

[0013] Preferably, a control panel is provided on the front end surface of the U-shaped mounting plate, and the control panel is electrically connected to the first motor, the second motor and the third motor.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] This utility model discloses a valve grinding device. A first and second rotating shaft are installed in a water tank, with sprockets on both shafts and chains on the sprockets. A placement platform is installed equidistantly between the sprockets and chains. After a valve is placed in a T-shaped slot on the placement platform, a first motor rotates, driving the first rotating shaft to rotate, which in turn moves the placement platform. When the placement platform moves directly below a positioning component, the flange faces at both ends of the valve correspond to the grinding component. The positioning component activates, locking the valve between the placement platform and the positioning block. Then, the moving component and the grinding component are activated simultaneously to grind the flange faces at both ends of the valve. After grinding, the first motor restarts, moving the ground valve to a new position and simultaneously moving a new valve to be ground below the positioning component, allowing for grinding of the next valve. This eliminates the need to place and remove valves for each grinding cycle, avoiding downtime and increasing valve grinding efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 This is a utility model Figure 1 Enlarged schematic diagram of the structure of section A in the middle;

[0019] Figure 3 This is a schematic diagram of the positioning block structure of this utility model.

[0020] In the diagram: 1. Machine base; 2. Water tank; 3. First rotating shaft; 4. Second rotating shaft; 5. Sprocket; 6. Chain; 7. Placement platform; 8. T-shaped placement slot; 9. First motor; 10. Extension platform; 11. Slide groove; 12. Column; 13. U-shaped mounting plate; 14. Threaded rod; 15. Moving plate; 16. Second motor; 17. L-shaped follower plate; 18. Third motor; 19. Grinding wheel; 20. Cylinder; 21. Positioning block; 22. T-shaped slot; 23. Discharge chute; 24. Liquid outlet pipe; 25. Control valve; 26. Corrugated pipe; 27. Nozzle; 28. Control panel. Detailed Implementation

[0021] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. It should be understood that the implementation of this utility model is not limited to the following embodiments, and any modifications and / or alterations made to this utility model will fall within the protection scope of this utility model.

[0022] In this invention, unless otherwise specified, all parts and percentages are by weight, and the equipment and raw materials used are commercially available or commonly used in the field. Unless otherwise specified, the methods in the following embodiments are conventional methods in the field. Unless otherwise specified, the components or equipment in the following embodiments are general standard parts or components known to those skilled in the art, and their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following detailed description, many specific details are set forth to facilitate explanation and provide a comprehensive understanding of the embodiments of the present invention. However, one or more embodiments may be practiced by those skilled in the art without these specific details.

[0024] like Figures 1-3 As shown, a valve grinding device includes a machine base 1. A water tank 2 is provided on the top of the machine base 1. A first rotating shaft 3 is rotatably connected to the left end of the water tank 2, and a second rotating shaft 4 is rotatably connected to the right end of the water tank 2. A set of sprockets 5 is mounted on both the first and second rotating shafts 3 and 4, respectively. The sprockets 5 on the first and second rotating shafts 3 and 4 are respectively aligned. The two sets of sprockets 5 are connected by a chain 6. Multiple placement platforms 7 are equidistantly mounted on the chain 6. A T-shaped placement groove 8 is provided on the top of each placement platform 7. A first motor 9 is installed on the left side of the front end of the platform 1. The output shaft of the first motor 9 is connected to the first rotating shaft 3. An extension platform 10, which is integral with the platform 1, extends from the front and rear surfaces of the center of the platform 1. A sliding groove 11 is opened on the top of each extension platform 10. The sliding grooves 11 are symmetrically positioned. A moving component is installed in the sliding groove 11. A grinding component is installed on the moving component. A column 12 is fixedly connected to both sides of the top sliding groove 11 of the extension platform 10. An inverted U-shaped mounting plate 13 is installed on the top of the column 12. A positioning component is installed on the U-shaped mounting plate 13.

[0025] In the above technical solution, a first rotating shaft 3 and a second rotating shaft 4 are set in the water tank 2, and sprockets 5 are set on the first rotating shaft 3 and the second rotating shaft 4. A placement platform 7 is installed at equal intervals between the chains 6 on the sprockets 5. After the valve is placed in the T-shaped placement groove 8 on the placement platform 7, the first motor 9 rotates to drive the first rotating shaft 3 to rotate, which in turn drives the placement platform 7 to move. When the placement platform 7 moves directly below the positioning component, the flange end faces at both ends of the valve correspond to the grinding component. The positioning component is activated to lock the valve between the placement platform 7 and the positioning block 21. Then, the moving component and the grinding component are activated simultaneously to grind the flange end faces at both ends of the valve. After the grinding is completed, the first motor 9 is activated again to move the valve after grinding to a new position. At the same time, it moves the new valve that needs to be ground to below the positioning component, so that the next valve can be ground. There is no need to place the valve for each grinding and to remove the valve after grinding, avoiding downtime and making the valve operation more efficient.

[0026] In this utility model, the moving component includes a threaded rod 14, which is rotatably connected to a slide groove 11. A moving plate 15 is threadedly connected to the threaded rod 14, and the moving plate 15 slides in conjunction with the slide groove 11. A second motor 16 is installed on the end face of the extension platform 10 away from the water tank 2. The output shaft of the second motor 16 is connected to the threaded rod 14. The grinding component is fixedly connected to the top of the moving plate 15.

[0027] In the above technical solution, by setting a second motor 16, the second motor 16 can drive the threaded rod 14 to rotate when it is started, which in turn can drive the moving plate 15 to move in the slide groove 11, thereby achieving the purpose of driving the grinding assembly to move towards or away from the valve position.

[0028] In this utility model, the grinding assembly includes an L-shaped follower plate 17, which is fixedly installed on the top of the moving plate 15. A third motor 18 is installed on the L-shaped follower plate 17, and a grinding wheel 19 is installed on the output shaft of the third motor 18. The grinding wheel 19 is close to the water tank 2.

[0029] In the above technical solution, by setting a third motor 18, the third motor 18 can drive the grinding wheel 19 to rotate when it starts. When the moving component drives the grinding component to move towards the valve end and come into contact with it, the flange end face of the valve can be ground.

[0030] In this utility model, the positioning component includes a cylinder 20, which is fixedly installed at the top center of the U-shaped mounting plate 13. The output shaft of the cylinder 20 extends through to the bottom of the U-shaped mounting plate 13, and a positioning block 21 is fixedly installed at the bottom of the output shaft of the cylinder 20. A T-shaped slot 22 is provided at the bottom of the positioning block 21.

[0031] In the above technical solution, by setting up a cylinder 20 and installing a positioning block 21 at the bottom of the output end of the cylinder 20, when the valve moves to the lower end of the positioning component, the cylinder 20 takes in air and drives the positioning block 21 to move downward. By using the locking of the T-shaped placement groove 8 and the T-shaped slot 22, the valve can be prevented from rotating during the grinding process, which facilitates the grinding of the valve flange end face.

[0032] In this utility model, a discharge trough 23 is provided on the top right side of the machine base 1, and a liquid discharge pipe 24 is provided on the front right side of the machine base 1. The liquid discharge pipe 24 extends to the bottom of the water tank 2, and a control valve 25 is installed on the liquid discharge pipe 24.

[0033] In the above technical solution, by setting up a discharge trough 23, the valves that have been polished on the placement table 7 can fall out of the discharge trough 23, which makes it convenient to collect the valves after polishing.

[0034] In this invention, a corrugated pipe 26 is provided on the left side of the extension platform 10 inside the water tank 2, and a nozzle 27 is provided on the top of the corrugated pipe 26. A circulation pump is connected to the end of the corrugated pipe 26 away from the nozzle 27. The circulation pump is placed inside the water tank 2 and is electrically connected to the control panel 28.

[0035] In the above technical solution, by setting a bellows 26, the position of the nozzle 27 can be adjusted by utilizing the adjustability of the bellows 26, which facilitates cooling of the grinding position when grinding the valve end face.

[0036] In this utility model, a control panel 28 is provided on the front end surface of the U-shaped mounting plate 13, and the control panel 28 is electrically connected to the first motor 9, the second motor 16 and the third motor 18.

[0037] The working principle of the valve grinding device of this utility model is as follows:

[0038] In use, firstly, place the valve on each of the placement platforms 7 between the chains 6 at the left end of the extension platform 10. Upon activating the device, the first motor 9 rotates, driving the sprocket 5 to rotate, which in turn drives the chain 6 to move, moving the rightmost placement platform 7 containing the valve directly below the positioning assembly. The first motor 9 stops, and the cylinder 20 starts, causing the positioning block 21 to move downwards. The T-shaped slot 22 at the bottom of the positioning block 21 engages with the valve below the positioning assembly, thus positioning the valve. Then, the second motor 16 and the third motor 18 start synchronously. The second motor 16 rotates forward, driving the threaded rod 14 to rotate, thus moving the moving plate 15 towards one end of the water tank 2. The third motor... 18 rotates to drive the grinding wheel 19. After the grinding wheel 19 contacts the valve flange end face, the valve flange end face can be ground. After grinding, the second motor 16 reverses to drive the threaded rod 14 to reverse, which in turn drives the moving plate 15 to move away from the end of the water tank 2, moving the grinding assembly away from the valve flange end face. Then the cylinder 20 releases air, and the output shaft of the cylinder 20 retracts to drive the positioning block 21 to rise, losing its positioning of the valve, thus completing one grinding process. The above actions can be repeated to grind the next valve. After starting the machine, only the valve needs to be placed on the placement table 7 to complete the continuous grinding of multiple valves. There is no need to stop the machine during the grinding interval, and the grinding efficiency is faster.

[0039] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A valve lapping device characterized by: Including machine table (1), the top of machine table (1) is provided with water tank (2), the left end of water tank (2) is rotatably connected with first rotating shaft (3), the right end of water tank (2) is rotatably connected with second rotating shaft (4), a set of chain wheels (5) are installed on first rotating shaft (3) and second rotating shaft (4), a set of chain wheels (5) on first rotating shaft (3) and a set of chain wheels (5) on second rotating shaft (4) are corresponding, two sets of chain wheels (5) are drivingly connected by a set of chains (6), a plurality of placing tables (7) are equidistantly installed on a set of chains (6), T-shaped placing groove (8) is formed in the top of placing table (7), first motor (9) is installed on the left side of the front end of machine table (1), the output shaft of first motor (9) is connected with first rotating shaft (3), the front and back of the center of machine table (1) are extended with extension table (10) integrated with machine table (1), the top of extension table (10) is provided with sliding groove (11), the positions of sliding groove (11) are symmetrical, moving assembly is arranged in sliding groove (11), polishing assembly is arranged on moving assembly, vertical column (12) is fixedly connected on both sides of the top sliding groove (11) of extension table (10), U-shaped mounting plate (13) is arranged on the top of vertical column (12), and positioning assembly is installed on U-shaped mounting plate (13).

2. A valve lapping device according to claim 1, wherein: The moving assembly includes threaded rod (14), the threaded rod (14) is rotatably connected in the sliding groove (11), the moving plate (15) is threadedly connected on the threaded rod (14), the moving plate (15) is slidingly matched with the sliding groove (11), the second motor (16) is installed on the end face of the extension table (10) away from the water tank (2), the output shaft of the second motor (16) is connected with the threaded rod (14), and the polishing assembly is fixedly connected on the top of the moving plate (15).

3. A valve lapping device according to claim 2, wherein: The polishing assembly includes L-shaped follower plate (17), the L-shaped follower plate (17) is fixedly installed on the top of the moving plate (15), the third motor (18) is installed on the L-shaped follower plate (17), the polishing wheel (19) is installed on the output shaft of the third motor (18), and the polishing wheel (19) is close to the water tank (2).

4. A valve lapping device according to claim 3, wherein: The positioning assembly includes air cylinder (20), the air cylinder (20) is fixedly installed on the top of the center of the U-shaped mounting plate (13), the output shaft of the air cylinder (20) penetrates to the bottom of the U-shaped mounting plate (13), the positioning block (21) is fixedly installed on the bottom of the output shaft of the air cylinder (20), and the T-shaped clamping groove (22) is formed in the bottom of the positioning block (21).

5. A valve lapping device according to claim 4, wherein: The discharge groove (23) is arranged on the right side of the top of the machine table (1), the liquid outlet pipe (24) is arranged on the right side of the front end of the machine table (1), the liquid outlet pipe (24) penetrates to the bottom of the water tank (2), and the control valve (25) is installed on the liquid outlet pipe (24).

6. A valve lapping device according to claim 5, wherein: The left side of the extension table (10) in the sink (2) is provided with a corrugated pipe (26), and the top of the corrugated pipe (26) is provided with a spray head (27).

7. A valve lapping device as defined in claim 5, wherein: The front end face of the U-shaped mounting plate (13) is provided with a control panel (28), and the control panel (28) is electrically connected with the first motor (9), the second motor (16) and the third motor (18).

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