Burr grinding device for valve metal pressing ring

Abstract

The utility model relates to the technical field of polishing devices, in particular to a burr polishing device for a valve metal pressing ring. The technical problems that an existing burr grinding device mostly adopts a manual or semi-automatic mode, due to the fact that pressing rings are different in size, the grinding device needs to be manually adjusted when fixing the pressing rings, and therefore the working efficiency can be affected are solved. According to the technical scheme, the burr grinding device for the valve metal pressing ring comprises a moving assembly, an operation table, a rotating grinding assembly and a fixing assembly, the metal pressing ring with the inner side being ground is placed outside an arc-shaped rubber pad, meanwhile, two sets of arc-shaped telescopic sleeves are adjusted to be attached, and then the metal pressing ring is driven by a driver to be ground. And a second sliding block drives an arc-shaped telescopic sleeve to slide along a second sliding groove, meanwhile, an arc-shaped telescopic column stretches out and draws back to the appropriate size of the metal pressing ring along the arc-shaped telescopic sleeve to fixedly clamp the metal pressing ring, the outer side of the metal pressing ring can be further ground by a grinding head conveniently, and the operability of the grinding device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a burr grinding device for a metal pressure ring of a valve. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium. They have functions such as shutoff, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief. Some burrs on the metal pressure ring of the valve are caused by plastic deformation during the cutting process, some are flash from casting, die forging and other processes, and some are residual materials from welding extrusion. With the improvement of industrialization and automation, the harmfulness of burrs in the field of mechanical processing is particularly obvious, and has gradually attracted widespread attention. Most of the existing burr grinding devices adopt manual or semi-automatic methods. Due to the different sizes of the pressure rings, the grinding device needs to be manually adjusted when fixing the pressure ring, which will affect the work efficiency. Therefore, we propose a burr grinding device for the metal pressure ring of the valve to solve the above problems. Utility Model Content

[0003] In order to overcome the problem that most existing burr grinding devices adopt manual or semi-automatic methods, due to the different sizes of the pressure rings, the grinding device needs to be manually adjusted when fixing the pressure ring, which affects the work efficiency.

[0004] The technical solution of the utility model is: a burr grinding device for a valve metal pressure ring, comprising a movable assembly, an operating table, a rotating grinding assembly and a fixed assembly; an operating table for performing grinding operations is installed on the upper end of the movable assembly, and rotating grinding assemblies that can slide relatively for grinding burrs on the metal pressure ring are respectively provided on both sides above the operating table, and a fixed assembly for clamping the metal pressure ring and movably connected to the operating table is provided between the two groups of rotating grinding assemblies.

[0005] Preferably, the pulley drives the base plate to move to the desired position, the column stably supports the operating table, increases the stability of the polishing device, the rectangular groove facilitates the square slider to drive the rectangular telescopic column to move horizontally, increases the flexibility of the polishing device, the square slider drives the rectangular telescopic column to move horizontally along the rectangular groove to the appropriate position through the driving of the driver, then the first telescopic sleeve moves up and down along the rectangular telescopic column to the appropriate height through the driving of the first cylinder, according to the position of the metal compression ring, the T-shaped slider drives the U-shaped frame to slide along the T-shaped sliding groove to the appropriate position through the driving of the driver, then the polishing head drives the metal compression ring to polish through the driving of the polishing motor, the connecting shaft drives the metal compression ring to polish at the same time, the polishing head is movably connected with the connecting shaft through the rotating ball, polishes the burrs on the metal compression ring at multiple angles, enhances the flexibility of the polishing device, the circular slider drives the supporting column to slide along the annular groove through the driving of the driver, thereby the disc drives the fixed clamped metal compression ring to rotate, facilitates the metal compression ring to be polished from different directions, then the circular telescopic column moves along the circular telescopic sleeve to drive the fixed metal compression ring to move to the appropriate height through the driving of the second cylinder, facilitates polishing, then places the metal compression ring on the second telescopic sleeve, the first slider drives the second telescopic sleeve to slide along the first sliding groove through the driving of the driver, at the same time, the L-shaped telescopic column is telescoped along the second telescopic sleeve to the appropriate size of the metal compression ring, clamps and fixes it, facilitates the polishing head to polish the inside of the metal compression ring first, increases the operability of the polishing device, according to the size of the metal compression ring, the connecting plate is rotatably connected with the supporting plate through the first rotating shaft through the driving of the driver, then the guide plate is rotatably connected with the connecting plate through the second rotating shaft through the driving of the driver, thereby adjusts the angle to leave a space suitable for placing the metal compression ring, enhances the flexibility of the polishing device, places the metal compression ring polished on the inside on the outside of the arc-shaped rubber pad, at the same time, the two sets of arc-shaped telescopic sleeves are adjusted to be close, then the second slider drives the arc-shaped telescopic sleeve to slide along the second sliding groove through the driving of the driver, at the same time, the arc-shaped telescopic column is telescoped along the arc-shaped telescopic sleeve to the appropriate size of the metal compression ring, clamps and fixes it, facilitates the polishing head to further polish the outside of the metal compression ring, the arc-shaped rubber pad can increase the friction, avoids the metal compression ring from falling in the polishing process, enhances the stability of the polishing device.

[0006] Preferably, the moving assembly comprises the pulley, the base plate and the column, a plurality of groups of pulleys are installed at the lower side edges of the base plate, a column is installed at each upper end corner of the base plate, the pulley drives the base plate to move to the desired position, the column stably supports the operating table, increases the stability of the polishing device.

[0007] As preferred, three groups of rectangular grooves for sliding of the rotating polishing assembly are arranged at the upper two side edges of the operation table, a circular notch for mounting the fixing assembly is arranged at the upper middle part of the operation table, and an annular groove for sliding of the fixing assembly is arranged at the periphery of the circular notch arranged on the operation table, the rectangular grooves facilitate the lateral movement of the rectangular telescopic column driven by the square sliding blocks, and the flexibility of the polishing device is increased.

[0008] As preferred, the rotating polishing assembly comprises a square sliding block, a rectangular telescopic column, a first telescopic sleeve, a first air cylinder, a T-shaped sliding block, a U-shaped frame, a polishing motor, a connecting shaft, a rotating ball and a polishing head, three groups of square sliding blocks are arranged at the lower end of the rectangular telescopic column in lateral intervals, the rectangular telescopic column is externally sleeved with the first telescopic sleeve, the upper end of the first telescopic sleeve is provided with the first air cylinder, a T-shaped sliding groove is arranged below the first telescopic sleeve, the upper end of the U-shaped frame is provided with the T-shaped sliding block, the T-shaped sliding block drives the U-shaped frame to slide with the first telescopic sleeve along the T-shaped sliding groove, the lower end of the U-shaped frame is provided with the connecting shaft, one end of the connecting shaft is provided with the polishing motor, the end of the connecting shaft away from the polishing motor is provided with the rotating ball, the polishing head is movably connected with the connecting shaft through the rotating ball, the square sliding block, the T-shaped sliding block and the rotating ball are internally provided with drivers, under the driving of the drivers, the square sliding block drives the rectangular telescopic column to move laterally along the rectangular groove to a suitable position, then under the driving of the first air cylinder, the first telescopic sleeve moves up and down along the rectangular telescopic column to a suitable height, according to the position of the metal compression ring, under the driving of the drivers, the T-shaped sliding block drives the U-shaped frame to slide along the T-shaped sliding groove to a suitable position, then under the driving of the polishing motor, the connecting shaft drives the polishing head to polish the metal compression ring, at the same time, under the driving of the drivers, the polishing head movably connected with the connecting shaft through the rotating ball polishes the burrs on the metal compression ring at multiple angles, and the flexibility of the polishing device is increased.

[0009] Preferably, the fixed assembly includes a circular slider, a support column, a circular disc, a second cylinder, a circular telescopic sleeve, a circular telescopic column, a first slider, a second telescopic sleeve, an L-shaped telescopic column, a support plate, a first rotating shaft, a connecting plate, a second rotating shaft, a guide plate, a rotating ring sleeve, a rotating column, a circular plate, a second slider, an arc-shaped telescopic column, an arc-shaped telescopic sleeve and an arc-shaped rubber pad. A plurality of groups of support columns are installed around the edge of the lower end of the circular disc, a circular slider is installed at the lower end of the support column, a circular telescopic sleeve is installed in the middle of the circular disc, a second cylinder is installed at the bottom of the circular telescopic sleeve, the second cylinder is fixedly connected to the operating table through a circular groove, a circular telescopic column is installed inside the circular telescopic sleeve, three groups of first sliding grooves are opened around the circular telescopic column, three groups of second telescopic sleeves are arranged around the top of the circular telescopic column, and an L-shaped telescopic column is connected to the middle of every two groups of second telescopic sleeves. The lower end of the second telescopic sleeve is equipped with a first slider, which drives the second telescopic sleeve to slide along the first slide groove and is connected to the circular telescopic column. Driven by the driver, the circular slider drives the supporting column to slide along the annular groove, thereby the disc drives the fixed clamped metal pressure ring to rotate, which is convenient for the metal pressure ring to be polished from different directions. Then, driven by the second cylinder, the circular telescopic column drives the fixed metal pressure ring to move to a suitable height along the circular telescopic sleeve for convenient polishing, and then the metal pressure ring is placed on the second telescopic sleeve. Driven by the driver, the first slider drives the second telescopic sleeve to slide along the first slide groove. At the same time, the L-shaped telescopic column telescopes along the second telescopic sleeve to the appropriate size of the metal pressure ring and fixes it, making it convenient for the polishing head to polish the inner side of the metal pressure ring first, thereby increasing the operability of the polishing device.

[0010] Preferably, two groups of support plates are symmetrically provided at the upper edge of the disc, and the upper end of the support plate is installed with a first rotating shaft, and the connecting plate is rotatably connected to the support plate through the first rotating shaft, and the second rotating shaft is installed at the end of the connecting plate away from the first rotating shaft, and the guide plate is rotatably connected to the connecting plate through the second rotating shaft, and a rotating ring sleeve is installed at the end of the guide plate away from the second rotating shaft, and a rotating column is installed inside the rotating ring sleeve, and a circular plate is installed at one end of the rotating column, and three groups of second sliding grooves are opened around the circular plate. According to the size of the metal pressure ring, the connecting plate is rotatably connected to the support plate through the first rotating shaft through the drive of the driver, and then the guide plate is rotatably connected to the connecting plate through the second rotating shaft through the drive of the driver, thereby adjusting the angle to leave a space suitable for placing the metal pressure ring, thereby enhancing the flexibility of the grinding device.

[0011] The cam is secured to the bottom of the second support bracket and is secured to the bottom of the second support bracket, and the cam is secured to the bottom of the second support bracket.

[0012] Beneficial effects of the utility model:

[0013] 1. The pulley drives the base plate to move to the required position, and the column firmly supports the operating table, increasing the stability of the grinding device. The rectangular groove facilitates the square slider to drive the rectangular telescopic column to move horizontally, increasing the flexibility of the grinding device. Driven by the driver, the square slider drives the rectangular telescopic column to move horizontally along the rectangular groove to the appropriate position, and then driven by the first cylinder, the first telescopic sleeve moves up and down along the rectangular telescopic column to the appropriate height. According to the position of the metal pressure ring, driven by the driver, the T-shaped slider drives the U-shaped frame to slide along the T-shaped slide to the appropriate position, and then driven by the grinding motor, the connecting shaft drives the grinding head to grind the metal pressure ring. At the same time, driven by the driver, the grinding head is movably connected to the connecting shaft through the rotating ball, and the burrs on the metal pressure ring are ground at multiple angles, thereby enhancing the flexibility of the grinding device.

[0014] 2. Driven by the driver, the circular slider drives the supporting column to slide along the annular groove, thereby driving the fixed and clamped metal pressure ring to rotate, so that the metal pressure ring is conveniently polished from different directions. Then, driven by the second cylinder, the circular telescopic column drives the fixed metal pressure ring along the circular telescopic sleeve to move to a suitable height for convenient polishing. Then the metal pressure ring is placed on the second telescopic sleeve. Driven by the driver, the first slider drives the second telescopic sleeve to slide along the first slide groove. At the same time, the L-shaped telescopic column telescopes along the second telescopic sleeve to the appropriate size of the metal pressure ring, and fixes and clamps it, so that the polishing head can polish the inner side of the metal pressure ring first, thereby increasing the operability of the polishing device. According to the size of the metal pressure ring, the driver drives The connecting plate is rotatably connected to the supporting plate through the first rotating shaft, and then the guide plate is rotatably connected to the connecting plate through the second rotating shaft through the driving of the driver, thereby adjusting the angle to leave a space suitable for placing the metal pressure ring, thereby enhancing the flexibility of the grinding device, and placing the metal pressure ring whose inner side has been polished on the outside of the arc-shaped rubber pad, and at the same time, the two sets of arc-shaped telescopic sleeves are adjusted to fit, and then driven by the driver, the second slider drives the arc-shaped telescopic sleeve to slide along the second slide groove, and at the same time, the arc-shaped telescopic column is telescoped along the arc-shaped telescopic sleeve to a suitable size of the metal pressure ring, and is fixed and clamped to facilitate the grinding head to further polish the outer side of the metal pressure ring, and the arc-shaped rubber pad can increase friction to prevent the metal pressure ring from slipping during the grinding process, thereby enhancing the stability of the grinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the mobile component of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the rotary grinding assembly of the present utility model;

[0018] Figure 4 This is a schematic diagram of the disc structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the L-shaped telescopic column structure of the present utility model;

[0020] Figure 6 This is a schematic diagram of the guide plate structure of the present utility model;

[0021] Figure 7 This is a structural schematic diagram of the arc-shaped telescopic sleeve of the present utility model.

[0022] Explanation of reference numerals: 1. moving assembly; 2. operating table; 3. rotating grinding assembly; 4. fixed assembly; 101. pulley; 102. bottom plate; 103. column; 201. rectangular groove; 202. circular notch; 203. annular groove; 301. square slider; 302. rectangular telescopic column; 303. first telescopic sleeve; 304. first cylinder; 305. T-shaped slide; 306. T-shaped slider; 307. U-shaped frame; 308. grinding motor; 309. connecting shaft; 310. rotating ball; 311. grinding head; 401. circular slider; 402. Support column; 403, disc; 404, second cylinder; 405, circular telescopic sleeve; 406, circular telescopic column; 407, first slide groove; 408, first slider; 409, second telescopic sleeve; 410, L-shaped telescopic column; 411, support plate; 412, first rotating shaft; 413, connecting plate; 414, second rotating shaft; 415, guide plate; 416, rotating ring sleeve; 417, rotating column; 418, circular plate; 419, second slide groove; 420, second slider; 421, arc-shaped telescopic column; 422, arc-shaped telescopic sleeve; 423, arc-shaped rubber pad. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1-3The utility model provides an embodiment: a burr grinding device for a valve metal pressure ring, comprising a moving assembly 1, an operating table 2, a rotating grinding assembly 3 and a fixed assembly 4; an operating table 2 for performing a grinding operation is installed on the upper end of the moving assembly 1, and a rotating grinding assembly 3 that can slide relatively on both sides above the operating table 2 for grinding the burrs of the metal pressure ring is provided, and a fixed assembly 4 for clamping the metal pressure ring and movably connected to the operating table 2 is provided between the two sets of rotating grinding assemblies 3, and the moving assembly 1 comprises a pulley 101, a bottom plate 102 and a vertical Column 103, multiple sets of pulleys 101 are installed on the lower two side edges of the bottom plate 102, and columns 103 are installed on the upper corners of the bottom plate 102. Three sets of rectangular grooves 201 for sliding the rotating grinding assembly 3 are arranged at intervals on the upper two side edges of the operating table 2. A circular groove 202 for installing the fixed assembly 4 is opened in the middle of the upper part of the operating table 2. The operating table 2 is provided with a circular groove 203 for sliding the fixed assembly 4 around the circular groove 202. The rotating grinding assembly 3 includes a square slider 301, a rectangular telescopic column 3 02, the first telescopic sleeve 303, the first cylinder 304, the T-shaped slider 306, the U-shaped frame 307, the grinding motor 308, the connecting shaft 309, the rotating ball 310 and the grinding head 311. The lower end of the rectangular telescopic column 302 is laterally installed with three sets of square sliders 301. The outer sleeve of the rectangular telescopic column 302 is provided with a first telescopic sleeve 303. The upper end of the first telescopic sleeve 303 is installed with the first cylinder 304. The lower part of the first telescopic sleeve 303 is provided with a T-shaped slide 305. The upper end of the U-shaped frame 307 is installed with a T-shaped slider 306. The T-shaped slider 306 drives the U-shaped frame 307 to slide along the T-shaped slide 305 and connect with the first telescopic sleeve 303. The lower end of the U-shaped frame 307 is installed with a connecting shaft 309, one end of the connecting shaft 309 is installed with a grinding motor 308, and the end of the connecting shaft 309 away from the grinding motor 308 is installed with a rotating ball 310. The grinding head 311 is movably connected to the connecting shaft 309 through the rotating ball 310. A driver (the driver model is AQMD6030BLS-E3) is installed inside the square slider 301, the T-shaped slider 306 and the rotating ball 310.

[0025] See also Figure 4-7In this embodiment, the fixing assembly 4 includes a circular slider 401, a support column 402, a disc 403, a second cylinder 404, a circular telescopic sleeve 405, a circular telescopic column 406, a first slider 408, a second telescopic sleeve 409, an L-shaped telescopic column 410, a support plate 411, a first rotating shaft 412, a connecting plate 413, a second rotating shaft 414, a guide plate 415, a rotating ring sleeve 416, a rotating column 417, a circular plate 418, a second slider 420, an arc-shaped telescopic column 421, an arc-shaped telescopic sleeve 422 and an arc-shaped rubber pad 423. Multiple groups of support columns 402 are installed around the lower edge of the disc 403. The lower end of the support column 402 is provided with a plurality of support columns 402. A circular slider 401 is installed, a circular telescopic sleeve 405 is installed in the middle of the disc 403, a second cylinder 404 is installed at the bottom of the circular telescopic sleeve 405, the second cylinder 404 is fixedly connected to the operating table 2 through the circular notch 202, a circular telescopic column 406 is installed inside the circular telescopic sleeve 405, three groups of first slide grooves 407 are opened around the circular telescopic column 406, three groups of second telescopic sleeves 409 are arranged around the top of the circular telescopic column 406, an L-shaped telescopic column 410 is connected to the middle of every two groups of second telescopic sleeves 409, a first slider 408 is installed at the lower end of the second telescopic sleeve 409, and the first slider 408 drives the second telescopic sleeve 409 along The first slide 407 is slidably connected to the circular telescopic column 406, and two groups of support plates 411 are symmetrically provided at the upper edge of the disc 403. The upper end of the support plate 411 is installed with a first rotating shaft 412, and the connecting plate 413 is rotatably connected to the support plate 411 through the first rotating shaft 412. The end of the connecting plate 413 away from the first rotating shaft 412 is installed with a second rotating shaft 414, and the guide plate 415 is rotatably connected to the connecting plate 413 through the second rotating shaft 414. The end of the guide plate 415 away from the second rotating shaft 414 is installed with a rotating ring 416, and a rotating column 417 is installed inside the rotating ring 416. A circular plate 418 is installed at one end of the rotating column 417. Three groups of second sliding grooves 419 are arranged around the plate 418, and three groups of arc-shaped telescopic sleeves 422 are arranged around the top of the circular plate 418. An arc-shaped telescopic column 421 is connected between every two groups of arc-shaped telescopic sleeves 422. A second slider 420 is installed at the lower end of the arc-shaped telescopic sleeve 422. The second slider 420 drives the arc-shaped telescopic sleeve 422 to slide along the second sliding groove 419 and connect with the circular plate 418. An arc-shaped rubber pad 423 is installed on the outside of the arc-shaped telescopic sleeve 422. Drivers are installed inside the circular slider 401, the first slider 408, the rotating column 417 and the second slider 420, and a driver is installed on each side of the first rotating shaft 412 and the second rotating shaft 414.

[0026] During operation, the pulley 101 is used to drive the bottom plate 102 to the required position, and then the metal pressure ring to be polished is taken out. The circular telescopic column 406 is driven by the second cylinder 404 to move the fixed metal pressure ring along the circular telescopic sleeve 405 to a suitable height for easy polishing. The metal pressure ring is then placed on the second telescopic sleeve 409. The first slider 408 is driven by the driver to drive the second telescopic sleeve 409 to slide along the first slide groove 407. At the same time, the L-shaped telescopic column 410 is extended and retracted along the second telescopic sleeve 409 to a suitable size for the metal pressure ring to be fixed and clamped.

[0027] After the fixation is completed, the inner side of the metal pressure ring is first polished. Driven by the driver, the square slider 301 drives the rectangular telescopic column 302 to move horizontally along the rectangular groove 201 to a suitable position. Then, driven by the first cylinder 304, the first telescopic sleeve 303 moves up and down along the rectangular telescopic column 302 to a suitable height. According to the position of the metal pressure ring, driven by the driver, the T-shaped slider 306 drives the U-shaped frame 307 to slide along the T-shaped slide groove 305 to a suitable position. Then, driven by the polishing motor 308, the connecting shaft 309 drives the polishing head 311 to polish the metal pressure ring. At the same time, driven by the driver, the polishing head 311 is movably connected to the connecting shaft 309 through the rotating ball 310, so as to polish the burrs on the metal pressure ring at multiple angles.

[0028] After the inner side of the metal pressure ring is polished, according to the size of the metal pressure ring, the connecting plate 413 is rotated and connected to the support plate 411 through the first rotating shaft 412 by the driving of the driver, and then the guide plate 415 is rotated and connected to the connecting plate 413 through the second rotating shaft 414 by the driving of the driver, thereby adjusting the angle to leave a space suitable for placing the metal pressure ring, and then the metal pressure ring with the polished inner side is placed on the outside of the arc-shaped rubber pad 423, and the two sets of arc-shaped telescopic sleeves 422 are adjusted to fit together, and then driven by the driver, the second slider 420 drives the arc-shaped telescopic sleeve 422 to slide along the second slide groove 419, and at the same time, the arc-shaped telescopic column 421 is telescoped along the arc-shaped telescopic sleeve 422 to the appropriate size of the metal pressure ring, and is fixed and clamped. Finally, the grinding head 311 can repeat the operation to grind the outer side of the metal pressure ring, and the arc-shaped rubber pad 423 can increase friction to prevent the metal pressure ring from slipping during the grinding process. After grinding is completed, each fixing structure can be loosened and the next metal pressure ring can be polished.

[0029] Through the above steps, the pulley 101 drives the base plate 102 to move to the required position, the column 103 firmly supports the operating table 2, and increases the stability of the grinding device. The rectangular groove 201 facilitates the square slider 301 to drive the rectangular telescopic column 302 to move horizontally, increasing the flexibility of the grinding device. Driven by the driver, the square slider 301 drives the rectangular telescopic column 302 to move horizontally along the rectangular groove 201 to a suitable position, and then driven by the first cylinder 304, the first telescopic sleeve 303 moves up and down along the rectangular telescopic column 302 to a suitable height. According to the position of the metal pressure ring, driven by the driver, the T-shaped slider 306 drives the U-shaped frame 307 to slide along the T-shaped slide groove 305 The grinding head 311 is driven by the grinding motor 308 to grind the metal pressure ring. At the same time, the grinding head 311 is movably connected to the connecting shaft 309 through the rotating ball 310 by the driver, and the burrs on the metal pressure ring are ground at multiple angles to enhance the flexibility of the grinding device. The circular slider 401 drives the supporting column 402 to slide along the annular groove 203 by the driver, so that the disc 403 drives the fixed clamped metal pressure ring to rotate, so that the metal pressure ring is ground from different directions. Then, the circular telescopic column 406 drives the fixed metal pressure ring to move along the circular telescopic sleeve 405 by the drive of the second cylinder 404. The first telescopic sleeve 409 is driven by the driver, and the second telescopic sleeve 409 is driven by the driver to slide along the first slide groove 407. At the same time, the L-shaped telescopic column 410 is extended and retracted along the second telescopic sleeve 409 to the appropriate size of the metal pressure ring, and is fixed and clamped, so that the grinding head 311 can grind the inner side of the metal pressure ring first, thereby increasing the operability of the grinding device. According to the size of the metal pressure ring, the connecting plate 413 is rotatably connected to the support plate 411 through the first rotating shaft 412 through the driving of the driver, and then the guide plate 415 is connected to the connecting plate 413 through the second rotating shaft 414 through the driving of the driver. The connection is rotated to adjust the angle to leave a space suitable for placing the metal pressure ring, thereby enhancing the flexibility of the grinding device, and the metal pressure ring with the inner side polished is placed on the outside of the arc-shaped rubber pad 423. At the same time, the two sets of arc-shaped telescopic sleeves 422 are adjusted to fit together, and then driven by the driver, the second slider 420 drives the arc-shaped telescopic sleeve 422 to slide along the second slide groove 419. At the same time, the arc-shaped telescopic column 421 is telescoped along the arc-shaped telescopic sleeve 422 to a suitable size for the metal pressure ring, and is fixed and clamped to facilitate the grinding head 311 to further grind the outer side of the metal pressure ring. The arc-shaped rubber pad 423 can increase friction, prevent the metal pressure ring from slipping during the grinding process, and enhance the stability of the grinding device.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A burr grinding device for a metal pressure ring of a valve, comprising a moving component (1); characterized in that: The invention also comprises an operating table (2), a rotating grinding assembly (3) and a fixed assembly (4); an operating table (2) for performing grinding operations is installed on the upper end of the movable assembly (1); rotating grinding assemblies (3) which can slide relatively for grinding burrs of a metal pressure ring are respectively provided on both sides above the operating table (2); and a fixed assembly (4) for clamping the metal pressure ring and movably connected to the operating table (2) is provided between the two sets of rotating grinding assemblies (3).

2. The burr grinding device for a valve metal pressure ring according to claim 1, characterized in that: The moving assembly (1) comprises a pulley (101), a base plate (102) and a column (103). A plurality of pulleys (101) are respectively installed at the two side edges below the base plate (102), and a column (103) is respectively installed at the upper corner of the base plate (102).

3. The burr grinding device for a valve metal pressure ring according to claim 1, characterized in that: Three groups of rectangular grooves (201) for sliding the rotating grinding assembly (3) are provided at intervals on both side edges above the operating table (2). A circular notch (202) for installing the fixing assembly (4) is provided in the middle of the upper part of the operating table (2). An annular groove (203) for sliding the fixing assembly (4) is provided on the periphery of the circular notch (202) provided on the operating table (2).

4. The burr grinding device for a valve metal pressure ring according to claim 1, characterized in that: The rotary grinding assembly (3) comprises a square slider (301), a rectangular telescopic column (302), a first telescopic sleeve (303), a first cylinder (304), a T-shaped slider (306), a U-shaped frame (307), a grinding motor (308), a connecting shaft (309), a rotating ball (310) and a grinding head (311). Three groups of square sliders (301) are installed at intervals on the lower end of the rectangular telescopic column (302). The outer sleeve of the rectangular telescopic column (302) is provided with a first telescopic sleeve (303). The upper end of the first telescopic sleeve (303) is provided with a first cylinder (304). A T-shaped slide groove (305) is provided below the first telescopic sleeve (303). A T-shaped slider (306) is installed at the upper end of the U-shaped frame (307). The T-shaped slider (306) drives the U-shaped frame (307) to slide along the T-shaped slot (305) and connect with the first telescopic sleeve (303). A connecting shaft (309) is installed at the lower end of the U-shaped frame (307). A grinding motor (308) is installed at one end of the connecting shaft (309). A rotating ball (310) is installed at the end of the connecting shaft (309) away from the grinding motor (308). A grinding head (311) is movably connected to the connecting shaft (309) through the rotating ball (310). Drivers are installed inside the square slider (301), the T-shaped slider (306) and the rotating ball (310).

5. The burr grinding device for a valve metal pressure ring according to claim 1, characterized in that: The fixing assembly (4) includes a circular slider (401), a support column (402), a circular disc (403), a second cylinder (404), a circular telescopic sleeve (405), a circular telescopic column (406), a first slider (408), a second telescopic sleeve (409), an L-shaped telescopic column (410), a support plate (411), a first rotating shaft (412), a connecting plate (413), a second rotating shaft (414), a guide plate (415), a rotating ring sleeve (416), a rotating column (417), a circular plate (418), a second slider (420), an arc-shaped telescopic column (421), an arc-shaped telescopic sleeve (422) and an arc-shaped rubber pad (423). A plurality of groups of support columns (402) are installed around the lower edge of the circular disc (403). The lower end of the support column (402) is equipped with a circular slider (401). A circular telescopic sleeve (405) is installed in the middle of the disc (403), a second cylinder (404) is installed at the bottom of the circular telescopic sleeve (405), the second cylinder (404) is fixedly connected to the operating table (2) through a circular notch (202), a circular telescopic column (406) is installed inside the circular telescopic sleeve (405), three groups of first sliding grooves (407) are arranged around the circular telescopic column (406), three groups of second telescopic sleeves (409) are arranged around the top of the circular telescopic column (406), an L-shaped telescopic column (410) is sleeved and connected between every two groups of second telescopic sleeves (409), a first slider (408) is installed at the lower end of the second telescopic sleeve (409), and the first slider (408) drives the second telescopic sleeve (409) to slide along the first sliding groove (407) and the circular telescopic column (406).

6. The burr grinding device for a valve metal pressure ring according to claim 5, characterized in that: Two groups of support plates (411) are symmetrically provided at the upper edge of the disc (403), a first rotating shaft (412) is installed on the upper end of the support plate (411), a connecting plate (413) is rotatably connected to the support plate (411) through the first rotating shaft (412), a second rotating shaft (414) is installed at one end of the connecting plate (413) away from the first rotating shaft (412), a guide plate (415) is rotatably connected to the connecting plate (413) through the second rotating shaft (414), a rotating ring sleeve (416) is installed at one end of the guide plate (415) away from the second rotating shaft (414), a rotating column (417) is installed inside the rotating ring sleeve (416), a circular plate (418) is installed at one end of the rotating column (417), and three groups of second sliding grooves (419) are arranged around the circular plate (418).

7. The burr grinding device for a valve metal pressure ring according to claim 5, characterized in that: Three groups of arc-shaped telescopic sleeves (422) are arranged around the top of the circular plate (418), and an arc-shaped telescopic column (421) is arranged between each two groups of arc-shaped telescopic sleeves (422). A second slider (420) is installed at the lower end of the arc-shaped telescopic sleeve (422). The second slider (420) drives the arc-shaped telescopic sleeve (422) to slide along the second sliding groove (419) and connect with the circular plate (418). An arc-shaped rubber pad (423) is installed on the outside of the arc-shaped telescopic sleeve (422). Drivers are installed inside the circular slider (401), the first slider (408), the rotating column (417) and the second slider (420), and a driver is installed on one side of the first rotating shaft (412) and the second rotating shaft (414).

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