An automatic grinding device for the exhaust valve of a pressure cooker

Abstract

The present invention discloses a fully automatic grinding device for an exhaust valve of a pressure cooker, which relates to the technical field of grinding devices. The fully automatic grinding device for the exhaust valve of the pressure cooker includes a first motor, a grinding cylinder, a first fixing plate, a spring, a fixing ring, a fixing rod, a pressing ring, a water tank and a water pipe. The first motor is fixedly installed at the top of the lifting frame, the grinding cylinder is slidably installed at the output end of the first motor, the first fixing plate is fixedly installed on the circumferential surface of the grinding cylinder, and the spring is fixedly installed at the top of the grinding cylinder. The clamping device includes a second motor, a first L-shaped plate, a second L-shaped plate, a sliding plate, a telescopic clamping plate, a baffle plate, a telescopic clamping rod, a first telescopic elastic rod and a second fixing plate. In this fully automatic grinding device for the exhaust valve of the pressure cooker, dripping water can effectively reduce the temperature of the workpiece and the grinding tool, prevent the workpiece from deforming due to overheating or the grinding tool from wearing out quickly, and an appropriate amount of moisture can reduce the flying of dust and metal chips.

Description

Technical Field

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

[0002] The main function of a fully automatic grinding device for a pressure cooker exhaust valve is to precisely process and grind the pressure cooker exhaust valve to ensure the quality and performance of the valve.

[0003] The patent with the patent publication number CN215433098U relates to a fully automatic grinding device for a pressure cooker exhaust valve, including a moving device, a clamping device, a grinding device, a jetting device, a polishing device, a cleaning device and a sewage discharging device. The moving device is horizontally arranged on the ground, the clamping device is horizontally arranged on the top of the moving device, the grinding device is vertically arranged on the top of the moving device, the jetting device is vertically arranged on the top of the moving device, and the sewage discharging device is horizontally arranged on the bottom of the moving device. This patent polishes the inner and outer sides of the exhaust valve simultaneously through the polishing device, and processes the dust on the exhaust valve through the jetting device and the cleaning device.

[0004] In the above patent, the inner and outer sides of the exhaust valve are polished simultaneously through the cooperation of the moving device, the clamping device, the grinding device, the jetting device, the polishing device, the cleaning device and the sewage discharging device. However, a large amount of dust and debris will be generated during the grinding process, which needs to be cleaned manually, taking time and effort and affecting work efficiency. Therefore, a fully automatic grinding device for a pressure cooker exhaust valve with a better dust reduction effect is designed. Summary of the Invention

[0005] Aiming at the deficiencies of the prior art, the present invention provides a fully automatic grinding device for a pressure cooker exhaust valve, which solves the problems put forward in the above background art.

[0006] To achieve the above purposes, the present invention is realized through the following technical solutions: A fully automatic grinding device for a pressure cooker exhaust valve.

[0007] According to the above technical solution, it includes a workbench, including a grinding device. A slide rail is fixedly installed on the top of the workbench, a waste drawer is fixedly installed at the bottom of the workbench, and a lifting frame is fixedly installed on the top of the workbench. The grinding device includes a first motor, a grinding cylinder, a first fixing plate, a spring, a fixing ring, a fixing rod, a pressing ring, a water tank and a water pipe. The first motor is fixedly installed on the top of the lifting frame, the grinding cylinder is fixedly installed at the output end of the first motor, the first fixing plate is fixedly installed on the circumferential surface of the grinding cylinder, the spring is fixedly installed on the top of the grinding cylinder, the fixing ring is fixedly installed on the circumferential surface of the output end of the first motor, the fixing rod is fixedly installed on the top of the grinding cylinder, the pressing ring is slidably installed on the circumferential surface of the output end of the first motor, the water tank is fixedly installed at the bottom of the lifting frame, and the water pipe fixedly penetrates through the surface of the water tank. The water flow is blocked by the pressing ring. When the fixing rod pushes the pressing ring upward to release the limit on the water outlet of the water tank, the water flow can flow down through the water pipe at this time.

[0008] According to the above technical solution, a spring is arranged between the fixing ring and the grinding cylinder. A semi-circular opening is formed at the top of the grinding cylinder. A first sliding groove is formed on the surface of the workbench, and brush heads are installed on both the upper and lower parts, which can perform grinding work better.

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

[0010] According to the above technical solution, it further includes a clamping device and a cleaning device. The clamping device includes 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. The second motor is fixedly installed on the surface of the workbench, the first L-shaped plate is slidably installed on the inner wall of the first sliding groove, the second L-shaped plate is slidably installed on the inner wall of the first sliding groove, the sliding plate is slidably installed at 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 first telescopic elastic rod is fixedly installed on the circumferential surface of the telescopic clamping rod, and the second fixing plate is fixedly installed on the inner wall of the telescopic clamping plate. When the second motor drives the first L-shaped plate and the second L-shaped plate to move, the first L-shaped plate and the second L-shaped plate move towards each other, thereby driving the sliding plate to move, so as to achieve clamping.

[0011] According to the above technical solution, a first tooth block is formed at the output end of the second motor, a second tooth block is formed on the surface of the first L-shaped plate, and a third tooth block is formed on the surface of the second L-shaped plate. The second tooth block formed on the surface of the first L-shaped plate meshes with the first tooth block formed at the output end of the second motor, and they are mutually meshed in the groove at the top of the output end of the second motor. When the second motor drives the first L-shaped plate and the second L-shaped plate to move, it will be closer and more stable.

[0012] According to the above technical solution, the first L-shaped plate fixedly penetrates through the sliding plate, and the second L-shaped plate fixedly penetrates through the sliding plate. The first telescopic elastic rod is fixedly connected to the second fixing plate.

[0013] According to the above technical solution, 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 at 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 the first L-shaped plate. A T-shaped groove is formed in the inner wall of the processing box. The T-shaped convex plate is slidably installed on the inner wall of the T-shaped groove. The telescopic push rod fixedly penetrates through the inner wall of the processing box. The receiving rod is fixedly installed on the top of the processing box. The guide plate fixedly penetrates through the surface of the waste drawer. 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 and penetrates through the surface of the connecting rod. An outlet is formed in the surface of the waste box. The opening formed in the surface of the waste box is used for conveying waste. The guide plate fixedly penetrates through the waste box. The upper part of the receiving rod is provided with an inclined plane. The waste slides down from the guide plate and falls into the fertilizer box.

[0015] The present invention provides a fully automatic polishing device for an exhaust valve of a pressure cooker, which has the following beneficial effects:

[0016] (1) For the fully automatic polishing device for the exhaust valve of the pressure cooker, when the first motor is started, the lifting table moves downward, driving the polishing device to move downward. At the same time, the cleaning cylinder squeezes the spring and moves upward, and the fixed rod moves upward to contact and squeeze the pressure ring. Under the action of the fixed rod, the pressure ring moves upward. At the same time, when the pressure ring moves upward, the limit on the water outlet of the water tank is released. Without the restriction of the pressure ring, the water inside the water tank flows through the water outlet into the water pipe, flows through the water pipe into the polishing cylinder, and drips water through the extrusion linkage water pipe, achieving the effects of dust reduction, chip reduction and temperature reduction in the polishing area, preventing workpiece deformation caused by overheating or accelerated wear of the polishing tool, and moreover, an appropriate amount of water can reduce the flying of dust and metal chips.

[0017] (2) For the fully automatic polishing device for the exhaust valve of the pressure cooker, when the second motor is started, the output end of the second motor rotates to drive the first L-shaped plate to move towards the second L-shaped plate. 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 to move. The movement of the baffle pushes the debris scattered on the workbench down. The polishing cylinder starts to rotate and polish the material. At the same time, the first telescopic elastic rod supports the telescopic clamping rod under the support of the second fixing plate, so that the telescopic clamping rod is not prone to vibration during the polishing process, achieving a fixing effect. Strengthening the fixing can reduce the processing error caused by vibration and displacement of the workpiece during the polishing process, thereby improving the polishing accuracy and surface quality.

[0018] (3) For the full-automatic grinding device of the exhaust valve of this pressure cooker, when the sliding plate moves towards 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 towards the end close to the receiving rod. At the same time, the first L-shaped plate and the second L-shaped plate move towards the middle and drive the push rod to move closer inward. At the same time, without the limitation of the T-shaped convex plate, the telescopic push rod moves towards the direction close to the receiving rod, pushing the debris and water that have been pushed towards the middle by the push rod towards the guide plate. The debris and water slide towards the direction of the waste drawer along the guide plate, keeping the working surface clean. At the same time, the clean working surface can prevent waste, debris, etc. from contaminating the surface of the workpiece, ensuring the quality of the workpiece after grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic semi-sectional view of the grinding device structure of the present invention;

[0021] Figure 3 For the present invention Figure 2 Enlarged schematic diagram of Structure A;

[0022] Figure 4 It is a schematic diagram of the position structure of the pressure ring and the water pipe of the present invention;

[0023] Figure 5 It is a schematic diagram of the clamping structure of the present invention;

[0024] Figure 6 For the present invention Figure 4 Enlarged schematic diagram of Structure B;

[0025] Figure 7 It is a schematic diagram of the positional structure relationship between the baffle plate and the receiving rod of the present invention;

[0026] Figure 8 It is a schematic diagram of the relationship structure between the first L-shaped plate and the second L-shaped plate of the present invention;

[0027] Figure 9 For the present invention Figure 7 Enlarged schematic diagram of Structure C;

[0028] Figure 10 It is a schematic diagram of the cleaning device structure of the present invention.

[0029] In the figure: 11, workbench; 12, slide rail; 13, waste drawer; 21, lifting frame; 31, first motor; 32, grinding cylinder; 33, first fixing plate; 34, spring; 35, fixing ring; 36, fixing rod; 37, pressing ring; 38, water tank; 39, water pipe; 41, second motor; 42, first L-shaped plate; 43, second L-shaped plate; 44, sliding plate; 45, telescopic clamping plate; 46, baffle; 47, telescopic clamping rod; 48, first telescopic elastic rod; 49, second fixing plate; 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 implementation mode

[0030] 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.

[0031] Please refer to Figures 1-9 , an embodiment of the present invention is: A fully automatic grinding device for the exhaust valve of a pressure cooker includes a workbench 11, including a grinding device. A slide rail 12 is fixedly installed on the top of the workbench 11, a waste drawer 13 is fixedly installed at the bottom of the workbench 11, and a lifting frame 21 is fixedly installed on the top of the workbench 11. The grinding device includes a first motor 31, a grinding cylinder 32, a first fixing plate 33, a spring 34, a fixing ring 35, a fixing rod 36, a pressing ring 37, a water tank 38 and a water pipe 39. The first motor 31 is fixedly installed on the top of the lifting frame 21, the grinding cylinder 32 is fixedly installed at the output end of the first motor 31, the first fixing plate 33 is fixedly installed on the circumferential surface of the grinding 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 first motor 31, the fixing rod 36 is fixedly installed on the top of the grinding cylinder 32, the pressing ring 37 is slidably installed on the circumferential surface of the output end of the first motor 31, the water tank 38 is fixedly installed at 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, water is dripped for cooling, which can effectively reduce the temperature of the workpiece and the grinding tool, prevent the workpiece from deforming or the grinding tool from wearing out quickly due to overheating, and moreover, an appropriate amount of water can reduce the flying of dust and metal chips and keep the working environment clean.

[0032] A spring 34 is arranged between the fixing ring 35 and the grinding cylinder 32. A semi-circular opening is opened at the top of the grinding cylinder 32, and a first chute is opened on the surface of the workbench 11. When the spring 34 moves upward, it squeezes the fixing ring 35 to move upward, and at the same time, through the reaction force, the grinding cylinder 32 pushes the fixing rod 36 to move upward.

[0033] The fixed rod 36 is fixedly penetrated through the fixed ring 35. The fixed rod 36 is fixedly connected to the pressing ring 37. There is a protrusion at the bottom of the pressing ring 37 for blocking the water outlet of the water tank 38. When the pressing ring 37 moves upward, the limit on the water outlet of the water tank 38 is released. Without the restriction of the pressing ring 37, the water inside the water tank 38 flows through the water outlet into the water pipe 39.

[0034] During the operation of this embodiment: The lifting frame 21 moves downward to drive the first motor 31. The output end of the first motor 31 moves downward until the first fixing plate 33 contacts and presses the sliding rail 12, indicating that the grinding cylinder 32 has reached the working area at this time. At the same time, the cleaning cylinder 32 presses the spring 34 to move upward. The spring 34 moves upward to press the fixed ring 35 to move upward. At the same time, through the reaction force, the grinding cylinder 32 pushes the fixed rod 36 to move upward. The fixed rod 36 moves upward to contact and press the pressing ring 37. The pressing ring 37 moves upward under the action of the fixed rod 36. At the same time, the upward movement of the pressing ring 37 releases 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 through the water outlet into the water pipe 39, and flows through the water pipe 39 into the grinding cylinder, cleaning the flying debris generated during the grinding process. It can accurately spray water on the grinding part, effectively reduce the consumption of water, save resources, meet the environmental protection requirements. And during the grinding process, due to friction, a large amount of heat will be generated. Dripping water can effectively reduce the temperature of the workpiece and the grinding tool, prevent the workpiece from deforming or the grinding tool from wearing faster due to overheating. Moreover, an appropriate 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.

[0035] Please refer to Figures 1-9 , on the basis of the above embodiment, in another embodiment of the present invention, it further includes a clamping device and a cleaning device. The clamping device includes a second motor 41, an L-shaped plate one 42, an L-shaped plate two 43, a sliding plate 44, a telescopic clamping plate 45, a baffle 46, a telescopic clamping rod 47, a telescopic elastic rod one 48 and a second fixing plate 49. The second motor 41 is fixedly installed on the surface of the workbench 11. The L-shaped plate one 42 is slidably installed on the inner wall of the first chute. The L-shaped plate two 43 is slidably installed on the inner wall of the first chute. The sliding plate 44 is slidably installed at the bottom of the sliding rail 12. The telescopic clamping plate 45 is fixedly installed on the surface of the sliding plate 44. The baffle 46 is fixedly installed on the surface of the telescopic clamping plate 45. The telescopic clamping rod 47 is slidably installed on the surface of the telescopic clamping plate 45. The free end of the telescopic elastic rod one 48 is fixedly installed on the circumferential surface of the telescopic clamping rod 47. The second fixing plate 49 is fixedly installed on the inner wall of the telescopic clamping plate 45. Since the telescopic clamping rod 47 is slidably connected to the telescopic clamping plate 45, when grinding the material, the telescopic clamping rod 47 will adaptively slide downward according to the grinding force, maintaining the stability of the material during the grinding process.

[0036] The output end of the second motor 41 is provided with a first toothed block. The surface of the first L-shaped plate 42 is provided with a second toothed block. The surface of the second L-shaped plate 43 is provided with a third toothed block. The second toothed block provided on the surface of the first L-shaped plate 42 meshes with the first toothed block provided at the output end of the second motor 41. The rotation of the output end of the second motor 41 drives the first L-shaped plate 42 to move towards the second L-shaped plate 43, and at the same time, the rotation of the output end of the second motor 41 drives the second L-shaped plate 43 to move towards the first L-shaped plate 42.

[0037] The first L-shaped plate 42 fixedly penetrates through the sliding plate 44, and the second L-shaped plate 43 fixedly penetrates through the sliding plate 44. The first telescopic elastic rod 48 is fixedly connected to the second fixing plate 49. At the same time, the first telescopic elastic rod 48 supports the telescopic clamping rod 47 under the support of the second fixing plate 49, so that the telescopic clamping rod 47 is not prone to vibration during its grinding process.

[0038] 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 first L-shaped plate 42. A T-shaped groove is provided on the inner wall of the processing box 52. The T-shaped convex plate 54 is slidably installed on the inner wall of the T-shaped groove. The telescopic push rod 55 fixedly penetrates 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 fixedly penetrates through the surface of the waste drawer 13. The handle 59 is fixedly installed on the surface of the waste box 58. The debris and water that have been pushed towards the middle by the push rod 53 are pushed towards the guide plate 57. The debris and water slide towards the waste drawer 13 along the guide plate 57 and then fall into the waste box 58.

[0039] The push rod 53 slides on the surface of the processing box 52. The push rod 53 slides through the surface of the connecting rod 51. An outlet is provided on the surface of the waste box 58. The guide plate 57 fixedly penetrates through the waste box 58. The upper part of the receiving rod 56 is provided with an inclined plane. The receiving rod 56 moves downward and squeezes the processing box 52 to incline towards the end close to the receiving rod 56. At the same time, the first L-shaped plate 42 and the second L-shaped plate 43 move towards the middle and drive the push rod 53 to move inwards.

[0040] During the operation of this embodiment: Start the second motor 41. The rotation of the output end of the second motor 41 drives the first L-shaped plate 42 to move towards the second L-shaped plate 43, and at the same time, the rotation of the output end of the second motor 41 drives the second L-shaped plate 43 to move towards the first L-shaped plate 42. The first L-shaped plate 42 and the second L-shaped plate 43 respectively drive the sliding plate 44 to move. The movement of the sliding plate 44 drives the telescopic clamping plate 45 to move. At the same time, the movement of the telescopic clamping plate 45 drives the baffle 46 to move. The movement of the baffle 46 pushes the debris scattered on the workbench 11 down and falls through the material opening provided on the workbench 11. When the sliding plate 44 moves to clamp and fix the material, the first motor 31 is started, and the grinding cylinder 32 starts to rotate and grind the material. Since the telescopic clamping rod 47 is slidably connected to the telescopic clamping plate 45, the telescopic clamping rod 47 will slide downward adaptively according to the grinding force during the grinding of the material to maintain the stability of the material during the grinding process, further improving the grinding accuracy during the clamping process. At the same time, the first telescopic elastic rod 48 supports the telescopic clamping rod 47 under the support of the second fixing plate 49, so that the telescopic clamping rod 47 is not prone to vibration during its grinding process, reducing the processing error caused by vibration and displacement of the workpiece during the grinding process when strengthening the fixation, 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 the sudden slipping or movement of the workpiece, thereby improving work safety. Through the support of the fixing device, it is possible to avoid scratches and collisions caused by the instability of the workpiece during grinding, reduce the risk of workpiece damage, and maintain the integrity of the workpiece.

[0041] The sliding plate 44 moves towards the middle. 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 towards the end close to the receiving rod 56. At the same time, the first L-shaped plate 42 and the second L-shaped plate 43 move towards the middle and drive the push rod 53 to move closer inward. The push rod 53 moves to push the debris and water on the surface of the processing box 52 towards the middle. The push rod 53 moves to contact and squeeze both ends of the T-shaped convex plate 54. Under the extrusion of the push rod 53, the T-shaped convex plate 54 moves downward. The downward movement of the T-shaped convex plate 54 releases the limit on the telescopic push rod 55. At the same time, without the limit of the T-shaped convex plate 54, the telescopic push rod 55 moves towards the direction close to the receiving rod 56, and pushes the debris and water that have been pushed towards the middle by the push rod 53 towards the guide plate 57. The debris and water slide along the guide plate 57 towards the direction of the waste drawer 13, and then fall into the waste box 58. Subsequently, the operator pulls out the waste box 58 through the handle 59 and pours out the waste and water. This keeps the workbench 11 clean. At the same time, the clean workbench 11 can prevent the waste, debris, etc. from contaminating the surface of the workpiece, ensuring the quality of the polished workpiece. Regularly cleaning and collecting the waste can reduce the wear of the equipment, lower the frequency of maintenance and replacement of parts, save costs. The cleaning and collecting device can process the waste in real time, reduce the time for workers to clean the environment, improve the overall production efficiency, and timely cleaning the waste can reduce the accumulation in the equipment, lower the equipment failure rate, and improve the working efficiency and service life of the equipment.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. 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, characterized in that: It also includes a grinding device, a clamping device and a cleaning device; Wherein, a slide rail is fixedly installed on the top of the workbench, a waste drawer is fixedly installed on the bottom of the workbench, and a lifting frame is fixedly installed on the top of the workbench; Wherein, the grinding device comprises a motor 1, a grinding cylinder, a fixing plate 1, a spring, a fixing ring, a fixing rod, a pressure ring, a water tank and a water pipe, wherein the motor 1 is fixedly mounted on the top of the lifting frame, the grinding cylinder is fixedly mounted on the output end of the motor 1, the fixing plate 1 is fixedly mounted on the circumferential surface of the grinding cylinder, the spring is fixedly mounted on the top of the grinding cylinder, the fixing ring is fixedly mounted on the circumferential surface of the output end of the motor 1, the fixing rod is fixedly mounted on the top of the grinding cylinder, the pressure ring is slidably mounted on the circumferential surface of the output end of the motor 1, the water tank is fixedly mounted on the bottom of the lifting frame, and the water pipe is fixedly penetrated through the surface of the water tank; 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 fixed plate, wherein the second motor is fixedly mounted on the surface of the workbench, the first L-shaped plate is slidably mounted on the inner wall of the first slideway, the second L-shaped plate is slidably mounted on the inner wall of the first slideway, the sliding plate is slidably mounted on the bottom of the slide rail, the telescopic clamping plate is fixedly mounted on the surface of the sliding plate, the baffle is fixedly mounted on the surface of the telescopic clamping plate, the telescopic clamping rod is slidably mounted on the surface of the telescopic clamping plate, the free end of the first telescopic elastic rod is fixedly mounted on the circumferential surface of the telescopic clamping rod, and the second fixed plate is fixedly mounted on the inner wall of the telescopic clamping plate; 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.

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

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

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

5. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 4, characterized in that: The first L-shaped plate is fixedly passed through the sliding plate, the second L-shaped plate is fixedly passed through the sliding plate, and the first telescopic elastic rod is fixedly connected to the second fixed plate.

6. The fully automatic grinding device for the exhaust valve of a pressure cooker according to claim 5, characterized in that: 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 guide plate is fixed and passes through the waste box, and the upper part of the receiving rod is set as a beveled surface.

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