Polishing device for casting valve

Abstract

The utility model discloses a casting valve polishing device which comprises an operation table, a clamping mechanism is arranged at the top of a base, two sets of sliding rods are arranged at the top of the operation table, the two sets of sliding rods are connected with a movable seat in a sliding mode, a fixing frame is arranged at the top of the movable seat, and a lifting mechanism facilitating vertical adjustment of a lifting plate on the inner side of the fixing frame is installed at the top of the fixing frame. According to the valve polishing device, a valve can be conveniently clamped and fixed through the clamping mechanism, the position of the polishing assembly can be conveniently adjusted through the lifting mechanism, one end of the polishing assembly can be driven to penetrate through the inner side of the valve through the moving seat, and the polishing assembly can be conveniently adjusted through the lifting mechanism. And the inner wall of the valve can be ground and polished through the grinding assembly, then manual grinding and polishing operation on an inner cavity of the valve can be replaced through arrangement, the operation efficiency is greatly improved, and meanwhile harm to workers is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of valve processing, in particular to a polishing device for casting valves. Background Art

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems come in a wide variety of varieties and specifications, from the simplest shut-off valves to the various valves used in extremely complex automatic control systems.

[0003] During the valve processing, the inner cavity of the valve needs to be ground and polished, and then painted to avoid oxidation and rust in the inner cavity of the valve body, so as to increase the service life of the valve. However, there is currently no professional equipment for grinding the inner cavity of the valve body. Therefore, the grinding and polishing of the inner cavity of the valve body is mostly done by workers with handheld grinders. However, this grinding method is very inefficient and prone to safety accidents, causing harm to workers.

[0004] Therefore, a polishing device for a casting valve is needed to solve the problems raised in the above background technology. Utility Model Content

[0005] In view of the above problems, the utility model provides a polishing device for a casting valve.

[0006] The utility model provides the following technical solutions: a polishing device for casting valves, comprising an operating table, a base is provided on the top of the operating table, a clamping mechanism for conveniently clamping and fixing the valve is provided on the top of the base, sliding rods are provided on both sides of the top of the operating table located on the base, two groups of sliding rods are slidably connected with a moving seat, a handle for facilitating its movement is installed on one side of the moving seat, a fixing frame is provided on the top of the moving seat, a lifting mechanism for facilitating the lifting plate to adjust up and down on the inner side of the fixing frame is installed on the top of the fixing frame, and a grinding component for facilitating the valve polishing operation is provided on one side of the lifting plate;

[0007] The grinding assembly includes a grinding plate, an adjusting mechanism and a driving mechanism. The adjusting mechanism includes a rotating cylinder rotatably connected to the lifting plate, a cavity and a mounting groove are opened on the inner side of the rotating cylinder, a fixing rod is provided at one end of the rotating cylinder, one end of the fixing rod is sleeved with two groups of fixing rings, the two groups of fixing rings are respectively hinged to the bottom of the two groups of grinding plates through two groups of hinge rods, the fixing rod is slidably connected to a movable ring on the side away from the fixing ring, the movable ring is respectively hinged to the bottom of the two groups of grinding plates through the two groups of hinge rods, two groups of connecting rods are provided on one side of the movable ring, the other ends of the two groups of connecting rods are connected to one side of a slide plate slidably connected to the inside of the cavity, the other side of the slide plate is connected to one end of a second electric telescopic rod installed on the inner side of the mounting groove, and the other end of the rotating cylinder is connected to a driving mechanism for facilitating its rotation.

[0008] In a further technical solution, the driving mechanism includes a motor installed on one side of the lifting plate, the output end of the motor is connected to a driving gear, and the driving gear is meshed with a driven gear connected to one end of the rotating drum.

[0009] In a further technical solution, the lifting mechanism includes a screw rod arranged at the top of the lifting plate, the screw rod is threadedly connected with a rotating seat rotatably connected to the top of the fixed frame, a turning handle is installed on the outer ring of the rotating seat near the top, limiting grooves are provided on the inner walls on both sides of the fixed frame, and limiting rods are provided on the inner sides of the two groups of limiting grooves, and the two ends of the lifting plate respectively pass through the inner sides of the two groups of limiting grooves and are respectively slidably connected to the two groups of limiting rods.

[0010] In a further technical solution, the clamping mechanism includes two groups of clamping blocks, the inner side of the base is rotatably connected to a bidirectional screw, the bidirectional screw is threadedly connected to two groups of movable plates, the clamping blocks are installed on the top of the two groups of movable plates, one end of the bidirectional screw extends to the outside of the base and is connected to a driving gear, the driving gear is meshed with a rack plate, and one end of the rack plate is connected to one end of a first electric telescopic rod installed on the top of the operating table.

[0011] In a further technical solution, sliding grooves are provided on both sides of the base, and the two ends of the two groups of movable plates are respectively slidably connected to the two groups of sliding grooves.

[0012] In a further technical solution, one side of the two groups of clamping blocks are both arranged in a V-shape and are both bonded with anti-slip pads.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model can conveniently adjust the position of the grinding assembly to adapt to the height of the fixed valve through the lifting mechanism provided. By pushing the handle, the movable seat can be driven to move to one side of the valve, and the movable seat can drive one end of the grinding assembly to penetrate the inner side of the valve. Then, by starting the second electric telescopic rod, the second electric telescopic rod can drive the slide plate to slide to one side along the cavity. At the same time, the slide plate can drive the two sets of connecting rods to move to one side, and the two sets of connecting rods can drive the movable ring to move to one side. The movable ring can drive one end of the two sets of hinged rods to move to one side of the two sets of fixed rings. Through the movement of the movable ring, the two sets of hinged grinding plates can be driven to expand outwards under the joint action of the two sets of fixed rings and multiple sets of hinged rods, so that the two sets of grinding plates can be fitted with the inner wall of the valve. Then, the driving mechanism provided can drive the rotating drum to rotate, so that the two sets of grinding plates can be driven to rotate and grind and polish the inner wall of the valve. Then, through the setting, the inner cavity of the valve can be polished and polished instead of manual operation, which greatly improves the working efficiency and effectively avoids the harm to the workers.

[0015] 2. The utility model starts the first electric telescopic rod, which can drive the rack plate to move to one side. The rack plate can drive the driving gear to rotate through the meshing action with the driving gear. The driving gear can drive the bidirectional screw to rotate. The bidirectional screw can drive the two groups of moving plates to move inward through the threaded connection with the two groups of moving plates. The two groups of moving plates can drive the two groups of clamping blocks to move inward. The valve can be conveniently clamped and fixed by the two groups of clamping blocks. The valve can be disassembled by reverse operation. Furthermore, the convenience of valve clamping is greatly improved through the setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a bottom view of the utility model;

[0018] Figure 3 This is a side view of the utility model;

[0019] Figure 4 It is a side sectional view of the utility model;

[0020] Figure 5 for Figure 2 A magnified view of part A in FIG.

[0021] Figure 6 for Figure 4 Enlarged view of part B in .

[0022] In the figure: 1, operating table, 2, base, 3, bidirectional screw, 4, driving gear, 5, first electric telescopic rod, 6, rack plate, 7, moving plate, 8, slide groove, 9, clamping block, 10, slide rod, 11, moving seat, 12, handle, 13, fixed frame, 14, limit groove, 15, limit rod, 16, lifting plate, 17, screw, 18, rotating seat, 19, turning handle, 20, rotating drum, 21, cavity, 22, mounting groove, 23, fixing rod, 24, fixing ring, 25, hinged rod, 26, grinding plate, 27, movable ring, 28, connecting rod, 29, slide plate, 30, second electric telescopic rod, 31, driven gear, 32, driving gear, 33, motor. DETAILED DESCRIPTION

[0023] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0024] Example:

[0025] Reference Figure 1-Figure 6 A polishing device for casting valves, comprising an operating table 1, a base 2 is provided on the top of the operating table 1, a clamping mechanism for conveniently clamping and fixing the valve is provided on the top of the base 2, slide bars 10 are provided on both sides of the top of the operating table 1 located on the base 2, two sets of slide bars 10 are slidably connected with a moving seat 11, a handle 12 for convenient movement of the moving seat 11 is installed on one side, a fixing frame 13 is provided on the top of the moving seat 11, a lifting mechanism for conveniently adjusting a lifting plate 16 up and down on the inner side of the fixing frame 13 is installed on the top of the fixing frame 13, and a grinding component for convenient valve polishing operation is provided on one side of the lifting plate 16;

[0026] The grinding assembly includes a grinding plate 26, an adjusting mechanism and a driving mechanism. The adjusting mechanism includes a rotating drum 20 rotatably connected to the lifting plate 16, a cavity 21 and a mounting groove 22 are opened on the inner side of the rotating drum 20, a fixing rod 23 is provided at one end of the rotating drum 20, two groups of fixing rings 24 are sleeved on one end of the fixing rod 23, and the two groups of fixing rings 24 are respectively hinged to the bottom of the two groups of grinding plates 26 through two groups of hinged rods 25, and a movable ring 27 is slidably connected to the side of the fixing rod 23 away from the fixing ring 24. The movable ring 27 is respectively hinged to the bottom of the two groups of grinding plates 26 through two groups of hinged rods 25, and two groups of connecting rods 28 are provided on one side of the movable ring 27. The other ends of the two groups of connecting rods 28 are connected to one side of a slide plate 29 slidably connected to the inside of the cavity 21, and the other side of the slide plate 29 is connected to one end of a second electric telescopic rod 30 installed on the inner side of the mounting groove 22, and the other end of the rotating drum 20 is connected to a driving mechanism for facilitating its rotation.

[0027] Specifically, the operating table 1 can provide a stable working platform for the polishing operation of the valve, the clamping mechanism can be used to conveniently clamp and fix the valve, and the lifting mechanism can be used to conveniently adjust the position of the polishing assembly to adapt to the height of the fixed valve. By pushing the handle 12, the movable seat 11 can be driven to move to one side of the valve, and the movable seat 11 can drive one end of the polishing assembly to penetrate the inner side of the valve. Then, by starting the second electric telescopic rod 30, the second electric telescopic rod 30 can drive the slide plate 29 to slide to one side along the cavity 21, and at the same time, the slide plate 29 can drive the two sets of connecting rods 28 to move to one side, and the two sets of connecting rods 28 can drive the movable ring 27 to move to one side, and the movable ring 27 can drive the two sets of connecting rods 28 to move to one side. One end of the hinged rod 25 moves toward one side of the two sets of fixed rings 24. Through the movement of the movable ring 24, the two sets of fixed rings 24 and the multiple sets of hinged rods 25 can drive the two hinged grinding plates 26 to expand outward, so that the two sets of grinding plates 26 can fit the inner wall of the valve. Then, through the set driving mechanism, the rotating drum 20 can be driven to rotate, thereby driving the two sets of grinding plates 26 to rotate and grind and polish the inner wall of the valve. Finally, by pushing the movable seat 11, the inner wall of the valve can be continuously reciprocated and polished. Then, through the above structure, the inner cavity of the valve can be polished and polished instead of manual labor, which greatly improves the working efficiency and effectively avoids injuries to workers.

[0028] Among them, the driving mechanism includes a motor 33 installed on one side of the lifting plate 16, and the output end of the motor 33 is connected to a driving gear 32, and the driving gear 32 is meshed with a driven gear 31 connected to one end of the rotating drum 20. By starting the motor 33, the motor 33 can drive the driving gear 32 to rotate, and the driving gear 32 can drive the driven gear 31 to rotate through the meshing action with the driven gear 31, and the driven gear 31 can drive the rotating drum 20 to rotate, so that through the action of the rotating drum 20, the two sets of grinding plates 26 can be driven to rotate and grind and polish the inner wall of the valve.

[0029] Among them, the lifting mechanism includes a screw 17 arranged at the top of the lifting plate 16, and the screw 17 is threadedly connected with a rotating seat 18 rotatably connected to the top of the fixed frame 13, and a turning handle 19 is installed on the outer ring of the rotating seat 18 near the top. The inner walls of both sides of the fixed frame 13 are provided with limiting grooves 14, and the inner sides of the two groups of limiting grooves 14 are provided with limiting rods 15. The two ends of the lifting plate 16 respectively penetrate the inner sides of the two groups of limiting grooves 14, and are respectively slidably connected with the two groups of limiting rods 15. By rotating the turning handle 19, the turning handle 19 can drive the rotating seat 18 to rotate. The rotating seat 18 can drive the screw 17 and the lifting plate 16 to move up and down under the action of the threaded connection with the screw 17, and the limit groove 14 and the limit rod 15 are provided. Therefore, the lifting plate 16 can drive the grinding assembly to be adjusted up and down to a suitable height to facilitate the grinding and polishing operation of the valve.

[0030] Wherein, the clamping mechanism includes two groups of clamping blocks 9, the inner side of the base 2 is rotatably connected with a bidirectional screw rod 3, and the bidirectional screw rod 3 is threadedly connected with two groups of movable plates 7, and clamping blocks 9 are installed on the top of the two groups of movable plates 7, one end of the bidirectional screw rod 3 extends to the outer side of the base 2 and is connected with a driving gear 4, and the driving gear 4 is meshed with a rack plate 6, and one end of the rack plate 6 is connected with one end of a first electric telescopic rod 5 installed on the top of the operating table 1. By starting the first electric telescopic rod 5, the first electric telescopic rod 5 can drive the rack plate 6 to move to one side, and the rack plate 6 can drive the driving gear 4 to rotate under the meshing action with the driving gear 4, and the driving gear 4 can drive the bidirectional screw rod 3 to rotate, and the bidirectional screw rod 3 can drive the two groups of movable plates 7 to move inwardly under the threaded connection with the two groups of movable plates 7, and the two groups of movable plates 7 can drive the two groups of clamping blocks 9 to move inwardly, and the valve can be conveniently clamped and fixed by the two groups of clamping blocks 9, and the valve can be disassembled by reverse operation, and then through the setting, the convenience of valve clamping is greatly improved.

[0031] Among them, slide grooves 8 are opened on both sides of the base 2, and the two ends of the two groups of movable plates 7 are respectively slidably connected to the two groups of slide grooves 8. Through the set slide grooves 8, the movement of the movable plate 7 can be limited, so that the movable plate 7 can drive the clamping block 9 to move more stably. One side of the two groups of clamping blocks 9 is set in a V shape and anti-slip pads are bonded to them. The V-shaped clamping block 9 and the anti-slip pad can improve the stability of valve clamping and fixing.

[0032] Working principle: First, by starting the first electric telescopic rod 5, the first electric telescopic rod 5 can drive the rack plate 6 to move to one side, the rack plate 6 can drive the driving gear 4 to rotate, the driving gear 4 can drive the bidirectional screw 3 to rotate, the bidirectional screw 3 can drive the two sets of movable plates 7 to move inward, the two sets of movable plates 7 can drive the two sets of clamping blocks 9 to move inward and clamp the valve, then, by turning the turning handle 19, the turning handle 19 can drive the rotating seat 18 to rotate, the rotating seat 18 can drive the screw 17 and the lifting plate 16 to move up and down, the lifting plate 16 can drive the grinding assembly to adjust up and down to a suitable height, and then by pushing the handle 12, the moving seat 11 can be driven to move to one side of the valve, the moving seat 11 can drive one end of the grinding assembly to penetrate the inner side of the valve, and then, by starting the first electric telescopic rod 5, the first electric telescopic rod 5 can drive the rack plate 6 to move to one side of the valve, the moving seat 11 can drive one end of the grinding assembly to penetrate the inner side of the valve, and then, by starting the second electric telescopic rod 5 Second electric telescopic rod 30, the second electric telescopic rod 30 can drive the slide plate 29 to slide along the cavity 21 to one side, and the slide plate 29 can drive the two groups of connecting rods 28 and the movable ring 27 to move to one side. Through the movement of the movable ring 24, the two groups of fixed rings 24 and the multiple groups of hinged rods 25 can be used together to drive the two groups of hinged grinding plates 26 to expand outward, so that the two groups of grinding plates 26 can fit the inner wall of the valve. Finally, by starting the motor 33, the motor 33 can drive the driving gear 32 to rotate, the driving gear 32 can drive the driven gear 31 to rotate, and the driven gear 31 can drive the rotating drum 20 to rotate, so that under the action of the rotating drum 20, the two groups of grinding plates 26 can be driven to rotate and grind and polish the inner wall of the valve, thereby completing the entire operation process.

[0033] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A polishing device for a cast valve, comprising an operating table, characterized in that: The top of the operating table is provided with a base, the top of the base is provided with a clamping mechanism for conveniently clamping and fixing the valve, the top of the operating table is provided with sliding rods on both sides of the base, two groups of sliding rods are slidably connected with a moving seat, one side of the moving seat is provided with a handle for convenient movement, the top of the moving seat is provided with a fixed frame, the top of the fixed frame is provided with a lifting mechanism for conveniently adjusting the lifting plate up and down on the inner side of the fixed frame, and one side of the lifting plate is provided with a grinding component for convenient valve polishing operation; The grinding assembly includes a grinding plate, an adjusting mechanism and a driving mechanism. The adjusting mechanism includes a rotating cylinder rotatably connected to the lifting plate, a cavity and a mounting groove are opened on the inner side of the rotating cylinder, a fixing rod is provided at one end of the rotating cylinder, one end of the fixing rod is sleeved with two groups of fixing rings, the two groups of fixing rings are respectively hinged to the bottom of the two groups of grinding plates through two groups of hinge rods, the fixing rod is slidably connected to a movable ring on the side away from the fixing ring, the movable ring is respectively hinged to the bottom of the two groups of grinding plates through the two groups of hinge rods, two groups of connecting rods are provided on one side of the movable ring, the other ends of the two groups of connecting rods are connected to one side of a slide plate slidably connected to the inside of the cavity, the other side of the slide plate is connected to one end of a second electric telescopic rod installed on the inner side of the mounting groove, and the other end of the rotating cylinder is connected to a driving mechanism for facilitating its rotation.

2. A polishing device for a casting valve according to claim 1, characterized in that: The driving mechanism comprises a motor installed on one side of the lifting plate, the output end of the motor is connected to a driving gear, and the driving gear is meshed with a driven gear connected to one end of the rotating drum.

3. A polishing device for a casting valve according to claim 2, characterized in that: The lifting mechanism includes a screw rod arranged at the top of the lifting plate, the screw rod is threadedly connected with a rotating seat rotatably connected to the top of the fixing frame, a turning handle is installed on the outer ring of the rotating seat near the top, limiting grooves are provided on the inner walls of both sides of the fixing frame, and limiting rods are provided on the inner sides of the two groups of limiting grooves, and the two ends of the lifting plate respectively penetrate the inner sides of the two groups of limiting grooves and are slidably connected to the two groups of limiting rods respectively.

4. A polishing device for a casting valve according to claim 1, characterized in that: The clamping mechanism includes two groups of clamping blocks, the inner side of the base is rotatably connected with a bidirectional screw, the bidirectional screw is threadedly connected with two groups of movable plates, the clamping blocks are installed on the top of the two groups of movable plates, one end of the bidirectional screw extends to the outside of the base and is connected to a driving gear, the driving gear is meshed with a rack plate, and one end of the rack plate is connected to one end of a first electric telescopic rod installed on the top of the operating table.

5. A polishing device for a casting valve according to claim 4, characterized in that: Slide grooves are provided on both sides of the base, and the two ends of the two groups of movable plates are respectively slidably connected to the two groups of slide grooves.

6. A polishing device for a casting valve according to claim 4, characterized in that: One side of the two groups of clamping blocks is arranged in a V shape and is bonded with an anti-skid pad.

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