Full-automatic grinding device for exhaust valve for pressure cooker

Abstract

The invention discloses a full-automatic grinding device for an exhaust valve for a pressure cooker, and relates to the technical field of grinding devices.The full-automatic grinding device for the exhaust valve for the pressure cooker comprises a first motor, a grinding barrel, a first fixing plate, a spring, a fixing ring, a fixing rod, a pressing ring, a water tank and a water pipe; the grinding cylinder is slidably mounted at the output end of the first motor, the first fixing plate is fixedly mounted on the circumferential surface of the grinding cylinder, the spring is fixedly mounted at the top of the grinding cylinder, and the clamping device comprises a second motor, a first L-shaped plate, a second L-shaped plate, a sliding plate, a telescopic clamping plate, a baffle, a telescopic clamping rod, a first telescopic elastic rod and a second fixing plate. According to the full-automatic grinding device for the exhaust valve for the pressure cooker, the temperature of a workpiece and a grinding tool can be effectively reduced through dripping water, workpiece deformation or grinding tool abrasion acceleration caused by overheating is prevented, and flying of dust and metal filings can be reduced through a proper amount of water.

Description

Technical Field

[0001] The invention relates to the technical field of grinding devices, in particular to a fully automatic grinding device for an exhaust valve of a pressure cooker. Background Art

[0002] The main function of a fully automatic grinding device for an exhaust valve of a pressure cooker is to perform precision machining and grinding on the exhaust valve of the pressure cooker to ensure the quality and performance of the valve.

[0003] The patent with the patent announcement number CN215433098U relates to a fully automatic polishing device for an exhaust valve of a pressure cooker, which includes a moving device, a clamping device, a polishing device, an air jet device, a polishing device, a cleaning device and a sewage discharge device. The moving device is horizontally arranged on the ground, the clamping device is horizontally arranged on the top of the moving device, the polishing device is vertically arranged on the top of the moving device, the air jet device is vertically arranged on the top of the moving device, and the sewage discharge device is horizontally arranged at the bottom of the moving device. The patent uses the polishing device to polish the inner and outer sides of the exhaust valve at the same time, and uses the air jet device and the cleaning device to treat the dust on the exhaust valve.

[0004] In the above patent, the inner and outer sides of the exhaust valve of the polishing device are polished simultaneously by the cooperation of a moving device, a clamping device, a grinding device, an air jet device, a polishing device, a cleaning device and a sewage discharge device. However, a large amount of dust debris will be generated in the process of grinding, which needs to be cleaned manually, which is time-consuming and labor-intensive and affects work efficiency. Therefore, a fully automatic grinding device for the exhaust valve of a pressure cooker with better dust reduction effect is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fully automatic grinding device for an exhaust valve of a pressure cooker, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fully automatic grinding device for an exhaust valve of a pressure cooker.

[0007] According to the above technical scheme, it includes a workbench and a grinding device, a slide rail is fixedly installed on the top of the workbench, a waste bin is fixedly installed on the bottom of the workbench, and a lifting frame is fixedly installed on the top of the workbench. The grinding device includes a motor 1, a grinding cylinder, a fixed plate 1, a spring, a fixed ring, a fixed rod, a pressure ring, a water tank and a water pipe. The motor 1 is fixedly installed on the top of the lifting frame, the grinding cylinder is fixedly installed on the output end of the motor 1, the fixed plate 1 is fixedly installed on the circumferential surface of the grinding cylinder, the spring is fixedly installed on the top of the grinding cylinder, the fixed ring is fixedly installed on the circumferential surface of the output end of the motor 1, the fixed rod is fixedly installed on the top of the grinding cylinder, the pressure ring is slidably installed on the circumferential surface of the output end of the motor 1, the water tank is fixedly installed on the bottom of the lifting frame, the water pipe is fixedly penetrated through the surface of the water tank, the water flow is blocked by the pressure ring, and when the fixed rod pushes the pressure ring to move upward, the limit on the water outlet of the water tank is released, and the water flow can flow down through the water pipe.

[0008] According to the above technical solution, a spring is arranged between the fixing ring and the grinding cylinder, a semicircular opening is provided on the top of the grinding cylinder, a slide groove is provided on the surface of the workbench, and brush heads are installed on the upper and lower parts, so that the grinding work can be better performed.

[0009] According to the above technical solution, the fixing rod is fixedly passed through the fixing ring, and the fixing rod is fixedly connected to the pressure ring. The bottom of the pressure ring has a protrusion for blocking the water outlet of the water tank, and the limit on the water outlet of the water tank is released by moving the extension plates at both ends of the pressure plate.

[0010] According to the above technical scheme, it also includes a clamping device and a cleaning device, wherein the clamping device includes motor 2, L-shaped plate 1, L-shaped plate 2, a sliding plate, a telescopic clamping plate, a baffle, a telescopic clamping rod, a telescopic elastic rod 1 and a fixed plate 2, wherein the motor 2 is fixedly installed on the surface of the workbench, the L-shaped plate 1 is slidably installed on the inner wall of the slide groove 1, the L-shaped plate 2 is slidably installed on the inner wall of the slide groove 1, the sliding plate is slidably installed on the bottom of the slide rail, the telescopic clamping plate is fixedly installed on the surface of the sliding plate, the baffle is fixedly installed on the surface of the telescopic clamping plate, the telescopic clamping rod is slidably installed on the surface of the telescopic clamping plate, the free end of the telescopic elastic rod 1 is fixedly installed on the circumferential surface of the telescopic clamping rod, and the fixed plate 2 is fixedly installed on the inner wall of the telescopic clamping plate. When the motor 2 drives the L-shaped plates 1 and 2 to move, the L-shaped plates 1 and 2 move in a direction close to each other, thereby driving the sliding plate to move, thereby achieving clamping.

[0011] According to the above technical solution, a tooth block 1 is provided at the output end of the motor 2, a tooth block 2 is provided on the surface of the L-shaped plate 1, and a tooth block 3 is provided on the surface of the L-shaped plate 2. The tooth block 2 provided on the surface of the L-shaped plate 1 is meshed with the tooth block 1 provided at the output end of the motor 2, and are meshed with each other in the groove at the top of the output end of the motor 2. When the motor 2 drives the L-shaped plates 1 and 2 to move, it will be tighter and more stable.

[0012] According to the above technical solution, the L-shaped plate 1 is fixedly passed through the sliding plate, the L-shaped plate 2 is fixedly passed through the sliding plate, and the telescopic elastic rod 1 is fixedly connected to the fixed plate 2.

[0013] According to the above technical scheme, the cleaning device includes a connecting rod, a processing box, a push rod, a T-shaped convex plate, a telescopic push rod, a receiving rod, a guide plate, a waste box and a handle. The connecting rod is fixedly installed on the bottom of the workbench, the processing box is fixedly installed on the surface of the connecting rod, the push rod is fixedly installed on the circumferential surface of an L-shaped plate, the inner wall of the processing box is provided with a T-shaped groove, the T-shaped convex plate is slidably installed on the inner wall of the T-shaped groove, the telescopic push rod is fixedly installed through the inner wall of the processing box, the receiving rod is fixedly installed on the top of the processing box, the guide plate is fixedly installed through the surface of the waste drawer, and the handle is fixedly installed on the surface of the waste box.

[0014] According to the above technical solution, the push rod slides on the surface of the processing box, the push rod slides through the surface of the connecting rod, the surface of the waste box is provided with a discharge port, the port opened on the surface of the waste box is used to transport waste, the guide plate is fixed through the waste box, and the top of the receiving rod is set as a bevel surface, and the waste slides from the guide plate and falls into the fertilizer box.

[0015] The present invention provides a fully automatic grinding device for an exhaust valve of a pressure cooker, which has the following beneficial effects: (1) The exhaust valve fully automatic grinding device for the pressure cooker starts the motor 1, the lifting platform moves downward, driving the grinding device to move downward, and at the same time, the cleaning cylinder extrusion spring moves upward, the fixed rod moves upward to contact and squeeze the pressure ring, and the pressure ring moves upward under the action of the fixed rod. At the same time, the pressure ring moves upward to release the limit on the water outlet of the water tank. Without the restriction of the pressure ring, the water in the water tank flows through the water outlet to the water pipe, and flows into the grinding cylinder through the water pipe. By squeezing the linkage water pipe to drip water, the grinding area is dusted, chipped and cooled, so as to prevent the deformation of the workpiece or the accelerated wear of the grinding tool caused by overheating. In addition, an appropriate amount of water can reduce the flying of dust and metal chips.

[0016] (2) The fully automatic grinding device for the exhaust valve of the pressure cooker starts the motor 2, and the output end of the motor 2 rotates to drive the L-shaped plate 1 to move in the direction close to the L-shaped plate 2. The movement of the sliding plate drives the telescopic clamping plate to move. At the same time, the movement of the telescopic clamping plate drives the baffle plate to move. The movement of the baffle plate pushes down the debris scattered on the workbench, and the grinding cylinder starts to rotate and grinds the material. At the same time, the telescopic spring rod 1 supports the telescopic clamping rod under the support of the fixed plate 2, so that the telescopic clamping rod is not easy to vibrate during the grinding process, thereby achieving a fixing effect. Strengthening the fixation can reduce the processing error caused by vibration and displacement of the workpiece during the grinding process, thereby improving the grinding accuracy and surface quality.

[0017] (3) In the fully automatic grinding device for the exhaust valve of the pressure cooker, the sliding plate moves toward the middle, the movement of the sliding plate drives the telescopic clamping plate to move, the movement of the telescopic clamping plate drives the baffle plate to move, the receiving rod moves downward and squeezes the processing box to tilt toward the end close to the receiving rod, and at the same time, the L-shaped plate 1 and the L-shaped plate 2 move toward the middle and drive the push rod to move inward. At the same time, the telescopic push rod is no longer limited by the T-shaped convex plate and moves toward the receiving rod, pushing the debris and water pushed to the middle by the push rod toward the guide plate, and the debris and water slide along the guide plate toward the waste drawer, keeping a clean work surface. At the same time, the clean work surface can prevent waste, debris, etc. from contaminating the surface of the workpiece, thereby ensuring the quality of the workpiece after grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 A half-section schematic diagram of the grinding device structure of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the enlarged structure in the middle; Figure 4 This is a schematic diagram of the position structure of the pressure ring and the water pipe of the present invention; Figure 5 It is a schematic diagram of the clamping structure of the present invention; Figure 6 For the present invention Figure 4 Middle B is an enlarged schematic diagram of the structure; Figure 7 It is a schematic diagram of the position structure relationship between the baffle and the receiving rod of the present invention; Figure 8 This is a schematic diagram of the relationship between the L-shaped plate 1 and the L-shaped plate 2 of the present invention; Fig. 9 For the present invention Figure 7 A magnified schematic diagram of the C structure; Fig.10 It is a schematic diagram of the structure of the cleaning device of the present invention.

[0019] In the figure: 11, workbench; 12, slide rail; 13, waste drawer; 21, lifting frame; 31, motor 1; 32, grinding cylinder; 33, fixed plate 1; 34, spring; 35, fixed ring; 36, fixed rod; 37, pressure ring; 38, water tank; 39, water pipe; 41, motor 2; 42, L-shaped plate 1; 43, L-shaped plate 2; 44, sliding plate; 45, telescopic clamping plate; 46, baffle; 47, telescopic clamping rod; 48, telescopic elastic rod 1; 49, fixed plate 2; 51, connecting rod; 52, processing box; 53, push rod; 54, T-shaped convex plate; 55, telescopic push rod; 56, receiving rod; 57, guide plate; 58, waste box; 59, handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 9 One embodiment of the present invention is as follows: a fully automatic grinding device for an exhaust valve for a pressure cooker includes a workbench 11, a grinding device, a slide rail 12 is fixedly installed on the top of the workbench 11, a waste drawer 13 is fixedly installed on the bottom of the workbench 11, a lifting frame 21 is fixedly installed on the top of the workbench 11, and the grinding device includes a motor 31, a grinding cylinder 32, a fixing plate 33, a spring 34, a fixing ring 35, a fixing rod 36, a pressure ring 37, a water tank 38 and a water pipe 39, the motor 31 is fixedly installed on the top of the lifting frame 21, the grinding cylinder 32 is fixedly installed on the output end of the motor 31, and the fixing plate 33 is fixedly installed on the grinding cylinder 35. The circumferential surface of the cylinder 32, the spring 34 is fixedly installed on the top of the grinding cylinder 32, the fixing ring 35 is fixedly installed on the circumferential surface of the output end of the motor 31, the fixing rod 36 is fixedly installed on the top of the grinding cylinder 32, the pressure ring 37 is slidably installed on the circumferential surface of the output end of the motor 31, the water tank 38 is fixedly installed on the bottom of the lifting frame 21, and the water pipe 39 is fixedly penetrated through the surface of the water tank 38. During the grinding process, dripping water is used for cooling, which can effectively reduce the temperature of the workpiece and the grinding tool, prevent deformation of the workpiece due to overheating or accelerated wear of the grinding tool, and an appropriate amount of water can reduce the flying of dust and metal chips, and keep the working environment clean.

[0022] A spring 34 is arranged between the fixing ring 35 and the grinding cylinder 32. A semicircular opening is provided on the top of the grinding cylinder 32. A slide groove 1 is provided on the surface of the workbench 11. The spring 34 moves upward to squeeze the fixing ring 35 to move upward. At the same time, the grinding cylinder 32 pushes the fixing rod 36 to move upward through the reaction force.

[0023] The fixing rod 36 is fixedly passed through the fixing ring 35, and the fixing rod 36 is fixedly connected to the pressing ring 37. The bottom of the pressing ring 37 has a protrusion for blocking the water outlet of the water tank 38. The pressing ring 37 moves upward to release the limit on the water outlet of the water tank 38. Without the restriction of the pressing ring 37, the water inside the water tank 38 flows to the water pipe 39 through the water outlet.

[0024] When the present embodiment is working, the lifting frame 21 moves downward to drive the motor 131, and the output end of the motor 131 moves downward until the fixing plate 133 contacts and squeezes the slide rail 12, indicating that the grinding cylinder 32 has reached the working area at this time, and the cleaning cylinder 32 squeezes the spring 34 to move upward, and the spring 34 moves upward to squeeze the fixing ring 35 to move upward, and at the same time, the grinding cylinder 32 pushes the fixing rod 36 to move upward through the reaction force, and the fixing rod 36 moves upward to contact and squeeze the pressing ring 37, and the pressing ring 37 moves upward under the action of the fixing rod 36, and at the same time, the pressing ring 37 moves upward to release the limit on the water outlet of the water tank 38. Due to the restriction of the pressure ring 37, the water in the water tank 38 flows through the water outlet to the water pipe 39, and then flows into the grinding tube through the water pipe 39 to clean up the flying chips generated in the grinding process. The water can be sprayed accurately on the grinding part, which effectively reduces the water consumption, saves resources and meets the environmental protection requirements. In the grinding process, a large amount of heat will be generated due to friction. The dripping water can effectively reduce the temperature of the workpiece and the grinding tool, prevent the deformation of the workpiece caused by overheating or the accelerated wear of the grinding tool, and the right amount of water can reduce the flying of dust and metal chips, keep the working environment clean, thereby enhancing the grinding accuracy and ensuring the surface quality.

[0025] See also Figure 1-Figure 9 On the basis of the above embodiment, another embodiment of the present invention further includes a clamping device and a cleaning device, the clamping device includes a motor 2 41, an L-shaped plate 1 42, an L-shaped plate 2 43, a sliding plate 44, a telescopic clamping plate 45, a baffle 46, a telescopic clamping rod 47, a telescopic spring rod 1 48 and a fixed plate 2 49, the motor 2 41 is fixedly mounted on the surface of the workbench 11, the L-shaped plate 1 42 is slidably mounted on the inner wall of the slide groove 1, the L-shaped plate 2 43 is slidably mounted on the inner wall of the slide groove 1, and the sliding plate 44 is slidably mounted on the bottom of the slide rail 12, The telescopic clamping plate 45 is fixedly mounted on the surface of the sliding plate 44, the baffle 46 is fixedly mounted on the surface of the telescopic clamping plate 45, the telescopic clamping rod 47 is slidably mounted on the surface of the telescopic clamping plate 45, the free end of the telescopic elastic rod 1 48 is fixedly mounted on the circumferential surface of the telescopic clamping rod 47, and the fixed plate 2 49 is fixedly mounted on the inner wall of the telescopic clamping plate 45. Because the telescopic clamping rod 47 and the telescopic clamping plate 45 are slidably connected, when grinding the material, the telescopic clamping rod 47 will adaptively slide downward according to the grinding force to maintain the material stability during the grinding process.

[0026] A tooth block 1 is provided at the output end of the motor 2 41, a tooth block 2 is provided on the surface of the L-shaped plate 1 42, and a tooth block 3 is provided on the surface of the L-shaped plate 2 43. The tooth block 2 provided on the surface of the L-shaped plate 1 42 is meshed with the tooth block 1 provided at the output end of the motor 2 41. The output end of the motor 2 41 rotates to drive the L-shaped plate 1 42 to move toward the direction of the L-shaped plate 2 43. At the same time, the output end of the motor 2 41 rotates to drive the L-shaped plate 2 43 to move toward the direction of the L-shaped plate 1 42.

[0027] L-shaped plate 1 42 is fixedly passed through the sliding plate 44, L-shaped plate 2 43 is fixedly passed through the sliding plate 44, telescopic spring rod 1 48 is fixedly connected to fixed plate 2 49, and telescopic spring rod 1 48 supports telescopic clamping rod 47 under the support of fixed plate 2 49, so that telescopic clamping rod 47 is not easy to vibrate during its grinding process.

[0028] The cleaning device includes a connecting rod 51, a processing box 52, a push rod 53, a T-shaped convex plate 54, a telescopic push rod 55, a receiving rod 56, a guide plate 57, a waste box 58 and a handle 59. The connecting rod 51 is fixedly installed at the bottom of the workbench 11, the processing box 52 is fixedly installed on the surface of the connecting rod 51, the push rod 53 is fixedly installed on the circumferential surface of the L-shaped plate 42, the inner wall of the processing box 52 is provided with a T-shaped groove, the T-shaped convex plate 54 is slidably installed on the inner wall of the T-shaped groove, the telescopic push rod 55 is fixedly passed through the inner wall of the processing box 52, the receiving rod 56 is fixedly installed on the top of the processing box 52, the guide plate 57 is fixedly passed through the surface of the waste bin 13, and the handle 59 is fixedly installed on the surface of the waste bin 58, which pushes the debris and water pushed to the middle by the push rod 53 to the guide plate 57, and the debris and water slide along the guide plate 57 toward the direction of the waste bin 13 and then fall into the waste box 58.

[0029] The push rod 53 slides on the surface of the processing box 52, and the push rod 53 slides through the surface of the connecting rod 51. A discharge port is opened on the surface of the waste box 58, and the guide plate 57 is fixedly penetrated through the waste box 58. The upper part of the receiving rod 56 is set as an oblique surface. The receiving rod 56 moves downward and squeezes the processing box 52 to tilt toward one end close to the receiving rod 56. At the same time, the L-shaped plate 1 42 and the L-shaped plate 2 43 move toward the middle and drive the push rod 53 to move inward.

[0030] When the present embodiment is working: start the motor 2 41, the output end of the motor 2 41 rotates to drive the L-shaped plate 1 42 to move in the direction close to the L-shaped plate 2 43, and at the same time, the output end of the motor 2 41 rotates to drive the L-shaped plate 2 43 to move in the direction close to the L-shaped plate 1 42, the L-shaped plate 1 42 and the L-shaped plate 2 43 respectively drive the sliding plate 44 to move, the movement of the sliding plate 44 drives the telescopic clamping plate 45 to move, and at the same time, the movement of the telescopic clamping plate 45 drives the baffle plate 46 to move, and the movement of the baffle plate 46 pushes down the debris scattered on the workbench 11, and as the material opening opened on the workbench 11 falls, when the sliding plate 44 moves to clamp the material and fix it, the motor 1 31 starts, and the grinding cylinder 32 starts to rotate and grind the material. Because the telescopic clamping rod 47 is slidably connected to the telescopic clamping plate 45, when grinding the material, the telescopic clamping rod 47 will move according to its The grinding force is adaptively slid downward to maintain the material stability during the grinding process, and the grinding accuracy during the clamping process is further improved. At the same time, the telescopic spring rod 48 supports the telescopic clamp rod 47 under the support of the fixed plate 49, so that the telescopic clamp rod 47 is not easy to vibrate during the grinding process. Strengthening the fixation can reduce the processing error caused by vibration and displacement of the workpiece during the grinding process, thereby improving the grinding accuracy and surface quality. At the same time, fixing the workpiece can reduce the possibility of accidents for the operator during the grinding process, such as injuries caused by sudden slipping or movement of the workpiece, thereby improving work safety. Through the support of the fixing device, scratches and collisions caused by instability of the workpiece during grinding can be avoided, the risk of damage to the workpiece can be reduced, and the integrity of the workpiece can be maintained.

[0031] The sliding plate 44 moves toward the middle, and the movement of the sliding plate 44 drives the telescopic clamping plate 45 to move. The movement of the telescopic clamping plate 45 drives the baffle plate 46 to move. The baffle plate 46 moves to contact and squeeze the receiving rod 56. The receiving rod 56 moves downward under its reaction force. The receiving rod 56 moves downward and squeezes the processing box 52 to tilt toward one end close to the receiving rod 56. At the same time, the L-shaped plate 1 42 and the L-shaped plate 2 43 move toward the middle and drive the push rod 53 to move inward. The push rod 53 moves to push the debris that falls on the surface of the processing box 52 to move closer to the middle of the underwater. The push rod 53 moves to contact and squeeze the two ends of the T-shaped convex plate 54. Under the pressure of the push rod 53, the T-shaped convex plate 54 moves downward. The T-shaped convex plate 54 moves downward to release the limit on the telescopic push rod 55. At the same time, the telescopic push rod 55 is no longer limited by the T-shaped convex plate 54 and moves closer to the receiving rod. The push rod 53 moves in the direction of 56, pushing the debris and water pushed to the middle by the push rod 53 toward the guide plate 57, and the debris and water slide along the guide plate 57 toward the waste drawer 13, and then fall into the waste box 58. Then the operator pulls out the waste box 58 through the handle 59, pours out the waste and water, and keeps a clean workbench 11. At the same time, a clean workbench 11 can prevent waste, debris, etc. from polluting the surface of the workpiece, ensuring the quality of the workpiece after grinding. Regular cleaning and collection of waste can reduce equipment wear, reduce the frequency of maintenance and replacement of parts, and save costs. The cleaning and collection device can process waste in real time, reduce the time for workers to clean the environment, and improve overall production efficiency. Timely cleaning of waste can reduce accumulation in the equipment, reduce equipment failure rate, and improve equipment work efficiency and service life.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic grinding device for an exhaust valve of a pressure cooker, comprising a workbench (11), characterized in that: It also includes a grinding device, a clamping device and a cleaning device; Wherein, a slide rail (12) is fixedly mounted on the top of the workbench (11), a waste drawer (13) is fixedly mounted on the bottom of the workbench (11), and a lifting frame (21) is fixedly mounted on the top of the workbench (11); The grinding device comprises a motor (31), a grinding cylinder (32), a fixing plate (33), a spring (34), a fixing ring (35), a fixing rod (36), a pressure ring (37), a water tank (38) and a water pipe (39); the motor (31) is fixedly mounted on the top of the lifting frame (21); the grinding cylinder (32) is fixedly mounted on the output end of the motor (31); the fixing plate (33) is fixedly mounted on the circumferential surface of the grinding cylinder (32); the spring (34) is fixedly mounted on the top of the grinding cylinder (32); the fixing ring (35) is fixedly mounted on the circumferential surface of the output end of the motor (31); the fixing rod (36) is fixedly mounted on the top of the grinding cylinder (32); the pressure ring (37) is slidably mounted on the circumferential surface of the output end of the motor (31); the water tank (38) is fixedly mounted on the bottom of the lifting frame (21); and the water pipe (39) is fixedly mounted through the surface of the water tank (38).

2. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 1, characterized in that: A spring (34) is provided between the fixing ring (35) and the grinding cylinder (32); a semicircular opening is provided on the top of the grinding cylinder (32); and a sliding groove 1 is provided on the surface of the workbench (11).

3. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 2, characterized in that: The fixing rod (36) is fixedly passed through the fixing ring (35), and the fixing rod (36) is fixedly connected to the pressing ring (37). The bottom of the pressing ring (37) has a protrusion for blocking the water outlet of the water tank (38).

4. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 3, characterized in that: The clamping device comprises a second motor (41), an L-shaped plate (42), a second L-shaped plate (43), a sliding plate (44), a telescopic clamping plate (45), a baffle (46), a telescopic clamping rod (47), a telescopic elastic rod (48) and a second fixed plate (49), wherein the second motor (41) is fixedly mounted on the surface of the workbench (11), the first L-shaped plate (42) is slidably mounted on the inner wall of the first slide groove, the second L-shaped plate (43) is slidably mounted on the inner wall of the first slide groove, the sliding plate (44) is slidably mounted on the bottom of the slide rail (12), the telescopic clamping plate (45) is fixedly mounted on the surface of the sliding plate (44), the baffle (46) is fixedly mounted on the surface of the telescopic clamping plate (45), the telescopic clamping rod (47) is slidably mounted on the surface of the telescopic clamping plate (45), the free end of the telescopic elastic rod (48) is fixedly mounted on the circumferential surface of the telescopic clamping rod (47), and the second fixed plate (49) is fixedly mounted on the inner wall of the telescopic clamping plate (45).

5. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 4, characterized in that: The output end of the second motor (41) is provided with a tooth block 1, the surface of the first L-shaped plate (42) is provided with a tooth block 2, and the surface of the second L-shaped plate (43) is provided with a tooth block 3. The tooth block 2 provided on the surface of the first L-shaped plate (42) is meshed with the tooth block 1 provided on the output end of the second motor (41).

6. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 5, characterized in that: The L-shaped plate 1 (42) is fixedly passed through the sliding plate (44), the L-shaped plate 2 (43) is fixedly passed through the sliding plate (44), and the telescopic elastic rod 1 (48) is fixedly connected to the fixed plate 2 (49).

7. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 6, characterized in that: The cleaning device comprises a connecting rod (51), a processing box (52), a push rod (53), a T-shaped convex plate (54), a telescopic push rod (55), a receiving rod (56), a guide plate (57), a waste box (58) and a handle (59), wherein the connecting rod (51) is fixedly mounted on the bottom of the workbench (11), the processing box (52) is fixedly mounted on the surface of the connecting rod (51), the push rod (53) is fixedly mounted on the circumferential surface of the L-shaped plate 1 (42), the inner wall of the processing box (52) is provided with a T-shaped groove, the T-shaped convex plate (54) is slidably mounted on the inner wall of the T-shaped groove, the telescopic push rod (55) is fixedly penetrated through the inner wall of the processing box (52), the receiving rod (56) is fixedly mounted on the top of the processing box (52), the guide plate (57) is fixedly penetrated through the surface of the waste drawer (13), and the handle (59) is fixedly mounted on the surface of the waste box (58).

8. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 7, characterized in that: The push rod (53) slides on the surface of the processing box (52), and the push rod (53) slides through the surface of the connecting rod (51). The surface of the waste box (58) is provided with a discharge port, and the guide plate (57) is fixedly passed through the waste box (58). The upper part of the receiving rod (56) is set as a beveled surface.

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