Flat valve polishing device capable of automatically adjusting polishing precision

Abstract

The invention discloses a flat valve polishing device capable of automatically adjusting polishing precision, an empty groove is formed in a polishing table, a first gear is mounted in the empty groove, the first gear is connected with a first motor arranged at the bottom of the outer side of the polishing table, and the first gear is engaged with second gears arranged on the two sides; a first threaded rod is connected to the inner side of the second gear, one end of the first threaded rod penetrates through the outer side of the grinding table to be connected with moving blocks, the moving blocks move in moving vertical grooves symmetrically formed in the top of the grinding table, and the moving blocks are connected through a dustproof limiting precision adjusting grinding box. According to the flat valve polishing device capable of automatically adjusting the polishing precision, the problems that the polishing precision of part of existing flat valve polishing devices cannot be adjusted, corresponding clamps need to be matched for matched polishing, and meanwhile the quality of the surrounding environment is reduced in the polishing process are solved. The movable blocks are connected through a dustproof limiting precision adjusting grinding box.

Description

Technical Field

[0001] The present invention relates to the technical field of flat valves, and specifically to a flat valve grinding device capable of automatically adjusting grinding precision. Background Technique

[0002] With the development of the gate valve industry in China, the variety of gate valves has been continuously increasing, and the application of gate valves has become more and more extensive. The flat gate valve is a sliding valve with a parallel gate plate as the closing member and is one of the commonly used valves in engineering and technical fields such as petrochemical industry, natural gas, and urban pipe networks. Existing flat valves are driven in various ways, such as by hydraulic cylinders, piston drives, etc. During the manufacturing process of flat valves, grinding devices are required. Some existing flat valve grinding devices cannot adjust the grinding precision and also need to cooperate with corresponding jigs for grinding. At the same time, the quality of the surrounding environment deteriorates during the grinding process. Therefore, a flat valve grinding device capable of automatically adjusting grinding precision is proposed. Summary of the Invention

[0003] The purpose of the present invention is to provide a flat valve grinding device capable of automatically adjusting grinding precision, so as to solve the problems in the above-mentioned background technique that some existing flat valve grinding devices cannot adjust the grinding precision, need to cooperate with corresponding jigs for grinding, and at the same time, the quality of the surrounding environment deteriorates during the grinding process.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a flat valve grinding device capable of automatically adjusting the grinding accuracy, comprising a grinding table, an empty groove is arranged inside the grinding table, and a first gear is installed inside the empty groove, the first gear is connected to a first motor arranged at the bottom of the outer side of the grinding table, and the first gear is meshed with second gears arranged on both sides, a first threaded rod is connected to the inner side of the second gear, and one end of the first threaded rod passes through the outer side of the grinding table and is connected to a moving block, the moving block moves in a moving vertical groove symmetrically arranged on the top of the grinding table, and the moving blocks are connected through a dust-proof limit precision adjustment grinding box, a placing table used in conjunction with the dust-proof limit precision adjustment grinding box is installed on the top of the grinding table, and a placing groove matching the flat valve is provided on the placing table; the dust-proof limit precision adjustment grinding box comprises a box body, and a second motor is installed on one side of the box body, the output end of the second motor is connected to the rotating rod, and the rotating rod Two groups of bevel gears are arranged on the outside, the bevel gears are meshed with the rack, and the bottom of the rack is connected to the top of the symmetrically arranged mounting groove, a synchronous threaded drive mechanism is arranged inside the mounting groove, and the synchronous threaded drive mechanism is connected to the drive block arranged on the inner side of the mounting groove, the bottom of the drive block is connected through an adjusting plate, and the bottom of the adjusting plate is connected to the top of the mounting plate through a symmetrically arranged pressure detection sensor, side plates are symmetrically arranged at the bottom of the mounting plate, and grinding rollers are rotatably connected between the side plates, one end of the grinding roller passes through the outside of the side plate and is connected to the third motor, a limit stop plate used in conjunction with a flat valve is symmetrically arranged inside the box body, the limit stop plate includes a fourth motor, and the fourth motor is installed in the placement groove symmetrically opened in the box body, the output end of the fourth motor is connected to the second threaded rod, and the outside of the second threaded rod is connected to the threaded sleeve, the outer end of the threaded sleeve is equipped with a stop plate, and the outside of the stop plate is covered with a layer of anti-slip layer.

[0005] Preferably, the box body comprises an inner box body, and a sound insulation layer, a sound absorption layer and an outer box body are sequentially bonded and fixed to the outer side of the inner box body.

[0006] Through the above technical solution: reduce the impact of noise on the outside world.

[0007] Preferably, the sound insulation layer includes a sound insulation damping felt and a plurality of hollow sound absorbing balls wrapped in the sound insulation damping felt.

[0008] Through the above technical solution: reduce the impact of noise on the outside world.

[0009] Preferably, the sound-absorbing layer comprises a wooden board layer, a rubber-plastic sound-absorbing cotton layer and a sound-absorbing sponge layer which are laminated and fixed in sequence from the inside to the outside.

[0010] Through the above technical solution: reduce the impact of noise on the outside world.

[0011] Preferably, the synchronous thread driving mechanism includes a protective box, and the protective box is connected to one end of two installation grooves. A double-groove driving wheel is installed inside the protective box, and the inner side of the double-groove driving wheel is connected to a driving motor arranged on the outer side of the protective box. The double-groove driving wheel is connected to driven wheels arranged on both sides through a transmission belt, and a third threaded rod is connected to the inner side of the driven wheel. One end of the third threaded rod penetrates to the outer side of the protective box and is connected to a driving block inside the installation groove.

[0012] Through the above technical solution, it is convenient to drive the grinding roller to move.

[0013] Preferably, the other end of the installation groove is connected through a support block.

[0014] Through the above technical solution, the stability of the installation groove is improved.

[0015] Preferably, sliders are installed on the outer sides of the support block and the protective box, and vertical sliding grooves matching the sliders are arranged inside the box body.

[0016] Through the above technical solution, it is convenient for the installation groove to move.

[0017] Preferably, limiting U-shaped plates slidably connected to the threaded sleeves are symmetrically arranged inside the box body.

[0018] Through the above technical solution, the moving direction of the threaded sleeve is limited.

[0019] Preferably, a control panel is installed on the outer side of the grinding table, and the control panel is connected to the first motor, the second motor, the driving motor, the third motor, the fourth motor and the pressure detection sensor.

[0020] Through the above technical solution, it is convenient to control the equipment.

[0021] Compared with the prior art, the beneficial effect of the present invention is that this flat valve grinding device capable of automatically adjusting the grinding precision

[0022] (1) This device is designed to solve the problems of existing partial flat valve grinding devices, such as the inability to adjust the grinding precision, the need to cooperate with corresponding fixtures for grinding, and the decline in the surrounding environmental quality during the grinding process. By connecting the moving blocks through a dust-proof limit precision adjustment grinding box, the dust-proof limit precision adjustment grinding box includes a box body. A second motor is installed on one side inside the box body, the output end of the second motor is connected to a rotating rod, and two groups of bevel gears are arranged on the outer side of the rotating rod. The bevel gears are engaged with a rack, and the bottom of the rack is connected to the top of symmetrically arranged installation grooves. A synchronous thread drive mechanism is arranged inside the installation grooves, and the synchronous thread drive mechanism is connected to a drive block arranged on the inner side of the installation grooves. The bottom of the drive block is connected through an adjustment plate, and the bottom of the adjustment plate is connected to the top of an installation plate through symmetrically arranged pressure detection sensors. Symmetrically arranged side plates are provided at the bottom of the installation plate, and a grinding roller is rotatably connected between the side plates. One end of the grinding roller penetrates to the outside of the side plate and is connected to a third motor. Limit abutting plates for cooperating with the flat valve are symmetrically arranged inside the box body. During use, place the flat valve above the placement table, turn on the first motor, and under the action of the first motor, the box body descends, so that the flat valve is ground inside the box body later to reduce the impact of the dust generated by grinding on the environment. After turning on the second motor and making the grinding roller contact the top of the flat valve, the pressure detection sensors will receive a certain reaction force. The pressure detection sensors send the detected pressure data values to the control panel, and the staff can understand the pressure at the contact between the grinding roller and the flat valve through the control panel, and thus adjust the height of the grinding roller according to the contact pressure to change the depth of grinding of the flat valve. At the same time, the two limit abutting plates are tightened against both sides of the flat valve to limit the position of the flat valve.

[0023] (2) This device is designed to solve the problem that the noise during grinding has a greater impact on the outside world. By adhesively fixing a sound insulation layer, a sound absorption layer, and an outer box body in sequence on the outside of the inner box body, the sound insulation layer and the sound absorption layer can isolate and absorb the noise generated by grinding, thereby reducing the impact of the noise on the outside world. Brief Description of the Drawings

[0024] Figure 1 It is a front view sectional structure schematic diagram of the whole of the present invention;

[0025] Figure 2 It is a structure schematic diagram of the dust-proof limit precision adjustment grinding box of the present invention;

[0026] Figure 3 It is a structure schematic diagram of the box body of the present invention;

[0027] Figure 4 It is a structure schematic diagram of the sound absorption layer of the present invention;

[0028] Figure 5 It is a structure schematic diagram of the dust-proof limit precision adjustment grinding box of the present invention;

[0029] Figure 6 Schematic diagram of the connection relationship of the installation groove of the present invention;

[0030] Figure 7 Schematic diagram of the structure of the limit abutting plate of the present invention;

[0031] Figure 8 Schematic diagram of the positional relationship structure of the anti-slip layer of the present invention.

[0032] In the figure: 1. Grinding table; 101. Empty groove; 102. First gear; 103. Second gear; 104. First threaded rod; 105. Moving block; 106. Moving vertical groove; 107. Placing table; 2. First motor; 3. Dust-proof limit precision adjustment grinding box; 301. Box body; 3011. Inner box body; 3012. Sound insulation layer; 3013. Sound absorption layer; 3014. Outer box body; 3015. Sound insulation damping felt; 3016. Hollow sound absorption ball; 3017. Wood board layer; 3018. Rubber and plastic sound absorption cotton layer; 3019. Sound absorption sponge layer; 302. Second motor; 303. Rotating rod; 304. Bevel gear; 305. Rack; 306. Installation groove; 3061. Support block; 307. Driving block; 308. Adjusting plate; 309. Pressure detection sensor; 310. Installation plate; 311. Side plate; 312. Grinding roller; 313. Third motor; 4. Synchronous thread driving mechanism; 401. Protection box; 402. Double-groove driving wheel; 403. Driving motor; 404. Transmission belt; 405. Driven wheel; 406. Third threaded rod; 5. Limit abutting plate; 501. Fourth motor; 502. Second threaded rod; 503. Thread sleeve; 5031. Limit U-shaped plate; 504. Abutting plate; 505. Anti-slip layer; 6. Control panel. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to Figure 1-8 , the present invention provides a technical solution: a flat valve grinding device capable of automatically adjusting the grinding precision. According to Figure 1-8 as shown, an empty groove 101 is provided inside the grinding table 1, the moving blocks 105 move in the moving vertical grooves 106 symmetrically arranged on the top of the grinding table 1, and the moving blocks 105 are connected by a dust-proof limit precision adjustment grinding box 3.

[0035] Specifically, a first gear 102 is installed inside the empty slot 101, the first gear 102 is connected to the first motor 2 arranged at the bottom of the outer side of the grinding table 1, and the first gear 102 is meshed with the second gears 103 arranged on both sides, a first threaded rod 104 is connected to the inner side of the second gear 103, and one end of the first threaded rod 104 passes through the outer side of the grinding table 1 and is connected to the moving block 105.

[0036] In a further embodiment, a placement table 107 used in conjunction with the dust-proof limit precision adjustment polishing box 3 is installed on the top of the polishing table 1, and a placement groove matching the flat valve is opened on the placement table 107.

[0037] Specifically, the dust-proof limit precision adjustment polishing box 3 includes a box body 301, and a second motor 302 is installed on one side of the box body 301, the output end of the second motor 302 is connected to the rotating rod 303, and two sets of bevel gears 304 are arranged on the outside of the rotating rod 303, the bevel gear 304 is meshed with the rack 305, and the bottom of the rack 305 is connected to the top of the symmetrically arranged mounting groove 306, a synchronous thread drive mechanism 4 is arranged inside the mounting groove 306, and the synchronous thread drive mechanism 4 is connected to the driving block 307 arranged on the inner side of the mounting groove 306, the bottom of the driving block 307 is connected through the adjusting plate 308, and the bottom of the adjusting plate 308 is connected to the mounting plate through the symmetrically arranged pressure detection sensor 309. 310 is connected at the top, and side plates 311 are symmetrically arranged at the bottom of the mounting plate 310, and grinding rollers 312 are rotatably connected between the side plates 311, one end of the grinding roller 312 passes through the outside of the side plate 311 and is connected to the third motor 313, and a limit plate 5 used in conjunction with the flat valve is symmetrically arranged inside the box body 301, the limit plate 5 includes a fourth motor 501, and the fourth motor 501 is installed in the placement groove symmetrically opened in the box body 301, the output end of the fourth motor 501 is connected to the second threaded rod 502, and the outer side of the second threaded rod 502 is connected to the threaded sleeve 503, the outer end of the threaded sleeve 503 is installed with a plate 504, and the outer side of the plate 504 is coated with a non-slip layer 505.

[0038] Specifically, the box body 301 includes an inner box body 3011 , and a sound insulation layer 3012 , a sound absorption layer 3013 and an outer box body 3014 are sequentially adhered and fixed to the outer side of the inner box body 3011 .

[0039] In a further embodiment, the sound insulation layer 3012 includes a sound insulation damping felt 3015 and a plurality of hollow sound absorbing balls 3016 wrapped in the sound insulation damping felt 3015, and the sound absorbing layer 3013 includes a wooden board layer 3017, a rubber and plastic sound absorbing cotton layer 3018 and a sound absorbing sponge layer 3019 which are sequentially stacked and glued from the inside to the outside.

[0040] In a further embodiment, the noise generated during the grinding process passes through the sound insulation layer 3012, and is absorbed and reflected by a plurality of hollow sound-absorbing balls 3016 to weaken the sound. The remaining sound then passes through the sound insulation damping felt 3015 and enters the interior of the sound absorption layer 3013. The wooden board layer 3017, the rubber and plastic sound absorption cotton layer 3018, and the sound absorption sponge layer 3019 can further absorb the noise, thereby reducing the impact of the noise on the outside world.

[0041] Specifically, the synchronous thread driving mechanism 4 includes a protective box 401, and the protective box 401 is connected to one end of two mounting grooves 306. A double-groove driving wheel 402 is installed inside the protective box 401, and the inner side of the double-groove driving wheel 402 is connected to a driving motor 403 provided on the outer side of the protective box 401. The double-groove driving wheel 402 is connected to driven wheels 405 provided on both sides through a transmission belt 404, and a third threaded rod 406 is connected to the inner side of the driven wheel 405. One end of the third threaded rod 406 penetrates to the outside of the protective box 401 and is connected to a driving block 307 inside the mounting groove 306.

[0042] In a further embodiment, the other end of the mounting groove 306 is connected through a support block 3061. Sliders are installed on the support block 3061 and the outer side of the protective box 401, and vertical sliding grooves matching the sliders are provided inside the box body 301.

[0043] In a further embodiment, limiting U-shaped plates 5031 slidably connected to the threaded sleeves 503 are symmetrically provided inside the box body 301.

[0044] In a further embodiment, a control panel 6 is installed on the outside of the grinding table 1, and the control panel 6 is connected to the first motor 2, the second motor 302, the driving motor 403, the third motor 313, the fourth motor 501, and the pressure detection sensor 309.

[0045] During use, place the flat valve inside the placement groove formed in the placement table 107. After placement, turn on the first motor 2. Under the action of the first motor 2, the first threaded rod 104 rotates, thereby driving the box body 301 to descend through the moving block 105, so that the flat valve is in a relatively sealed space during later grinding, thereby reducing the impact of the dust generated by grinding on the outside. After the above operations are completed, turn on the fourth motor 501. Under the action of the fourth motor 501, the second threaded rod 502 rotates, thereby driving the threaded sleeve 503 and the pressing plate 504 to move, so that the two pressing plates 504 are in close contact with the outside of the flat valve, thereby limiting the position of the flat valve. After the above operations are completed, turn on the second motor 302. Under the action of the second motor 302, the rack 305 is driven to descend through the bevel gear 304, so that the grinding roller 312 moves synchronously. When the grinding roller 312 contacts the top of the flat valve, the pressure detection sensor 309 will receive a certain reaction force. The pressure detection sensor 309 sends the detected pressure data value to the control panel 6. The staff can understand the pressure of contact between the grinding roller 312 and the flat valve at this time through the control panel 6, and thus adjust the height of the grinding roller 312 according to the contact pressure, so that the grinding accuracy of the flat valve changes. When the grinding accuracy is adjusted, turn on the third motor 313 to drive the grinding roller 312 to rotate. When the grinding position needs to be adjusted, turn on the drive motor 403. Under the action of the drive motor 403, the double-groove driving wheel 402 rotates, thereby driving the driven wheel 405 and the third threaded rod 406 to rotate through the transmission belt 404. Under the rotation of the third threaded rod 406, the driving block 307 is driven to move, thereby driving the grinding roller 312 to perform synchronous displacement.

[0046] The orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only a simplified description for facilitating the description of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the protection scope of the present invention.

[0047] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flat valve grinding device capable of automatically adjusting grinding accuracy, comprising a grinding table (1), characterized in that: The inside of the grinding table (1) is provided with an empty slot (101), and a first gear (102) is installed inside the empty slot (101). The first gear (102) is connected to a first motor (2) arranged at the bottom outside the grinding table (1), and the first gear (102) meshes with second gears (103) arranged on both sides. The inner side of the second gear (103) is connected to a first threaded rod (104), and one end of the first threaded rod (104) penetrates to the outside of the grinding table (1) and is connected to a moving block (105). The moving block (105) moves in moving vertical slots (106) symmetrically arranged at the top of the grinding table (1), and the moving blocks (105) are connected by a dust-proof limit precision adjustment grinding box (3). A placing table (107) which is used in cooperation with the dust-proof limit precision adjustment grinding box (3) is installed at the top of the grinding table (1), and a placing groove matching with a flat valve is formed in the placing table (107). The dust-proof limit precision adjustment grinding box (3) includes a box body (301), and a second motor (302) is installed on one side inside the box body (301). The output end of the second motor (302) is connected to a rotating rod (303), and two groups of bevel gears (304) are arranged on the outside of the rotating rod (303). The bevel gears (304) mesh with racks (305), and the bottom of the rack (305) is connected to the top of symmetrically arranged installation slots (306). A synchronous threaded driving mechanism (4) is arranged inside the installation slots (306), and the synchronous threaded driving mechanism (4) is connected to a driving block (307) arranged on the inner side of the installation slots (306). The bottom of the driving block (307) is connected by an adjusting plate (308), and the bottom of the adjusting plate (308) is connected to the top of a mounting plate (310) through symmetrically arranged pressure detection sensors (309). Side plates (311) are symmetrically arranged at the bottom of the mounting plate (310), and a grinding roller (312) is rotatably connected between the side plates (311). One end of the grinding roller (312) penetrates to the outside of the side plate (311) and is connected to a third motor (313). Limit abutting plates (5) which are used in cooperation with the flat valve are symmetrically arranged inside the box body (301). The limit abutting plate (5) includes a fourth motor (501), and the fourth motor (501) is installed inside a placing groove symmetrically formed in the box body (301). The output end of the fourth motor (501) is connected to a second threaded rod (502), and the outside of the second threaded rod (502) is connected to a threaded sleeve (503). An abutting plate (504) is installed at the outer end of the threaded sleeve (503), and an anti-slip layer (505) is coated on the outside of the abutting plate (504).

2. The automatic precision-adjustable flat valve grinding device according to claim 1, characterized in that: The box body (301) includes an inner box body (3011), and a sound insulation layer (3012), a sound absorption layer (3013) and an outer box body (3014) are sequentially adhesively fixed on the outside of the inner box body (3011).

3. The automatic grinding precision adjustable flat valve grinding device according to claim 2, wherein: The sound insulation layer (3012) includes a sound insulation damping felt (3015) and a plurality of hollow sound absorption balls (3016) wrapped in the sound insulation damping felt (3015).

4. A flat valve grinding device capable of automatically adjusting grinding accuracy according to claim 2, characterized in that: The sound-absorbing layer (3013) includes a wooden board layer (3017), a rubber and plastic sound-absorbing cotton layer (3018), and a sound-absorbing sponge layer (3019) that are laminated and fixed in sequence from the inside to the outside.

5. The automatic grinding precision adjustable flat valve grinding device according to claim 1, wherein: The synchronous thread driving mechanism (4) includes a protective box (401), and the protective box (401) is connected to one end of two installation grooves (306). A double-groove driving wheel (402) is installed inside the protective box (401), and the inner side of the double-groove driving wheel (402) is connected to a driving motor (403) arranged on the outer side of the protective box (401). The double-groove driving wheel (402) is connected to driven wheels (405) arranged on both sides through a transmission belt (404), and a third threaded rod (406) is connected to the inner side of the driven wheel (405). One end of the third threaded rod (406) penetrates to the outside of the protective box (401) and is connected to a driving block (307) inside the installation groove (306).

6. The automatic grinding precision adjustable flat valve grinding device according to claim 1, wherein: The other end of the installation groove (306) is connected through a support block (3061).

7. An automatic grinding precision adjustable flat valve grinding device according to claim 6, characterized in that: Sliders are installed on the outer sides of the support block (3061) and the protective box (401), and vertical sliding grooves matching the sliders are arranged inside the box body (301).

8. A flat valve grinding device capable of automatically adjusting grinding precision according to claim 1, characterized in that: Limit U-shaped plates (5031) that are slidably connected to the threaded sleeves (503) are symmetrically arranged inside the box body (301).

9. A flat valve grinding device capable of automatically adjusting grinding precision according to claim 1, characterized in that: A control panel (6) is installed on the outer side of the grinding table (1), and the control panel (6) is connected to the first motor (2), the second motor (302), the driving motor (403), the third motor (313), the fourth motor (501), and the pressure detection sensor (309).

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