Vacuum pump self-cleaning device

Abstract

The utility model relates to the technical field of self-cleaning equipment, in particular to a vacuum pump self-cleaning device. Comprising a vacuum pump body and an auxiliary device, the air inlet end of the vacuum pump body is provided with an adjusting device, the adjusting device comprises an electromagnetic valve, the electromagnetic valve is fixedly communicated with the air inlet end of the vacuum pump body, a liquid inlet of the electromagnetic valve is fixedly communicated with a connecting pipe, and the connecting pipe is a stainless steel pipe. The end, away from the electromagnetic valve, of the connecting pipe fixedly communicates with a storage box, a water inlet of the storage box is in threaded connection with a sealing cover, and the side, away from the sealing cover, of the storage box is slidably connected with a supporting plate. The self-cleaning device of the vacuum pump has the advantages that when the interior of the pump cavity of the vacuum pump needs to be cleaned, the pump cavity of the vacuum pump can be cleaned through the adjusting device, the efficiency of cleaning the vacuum pump can be improved through the adjusting device, and the labor effect of cleaning the pump cavity is reduced; and the labor cost for cleaning the pump cavity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self-cleaning equipment technical field especially relates to a vacuum pump self-cleaning device. BACKGROUND

[0002] The vacuum pump self-cleaning equipment is a kind of cleaning equipment, can be used to clean the impurities, oil dirt or sediment in the interior of vacuum pump automatically, to ensure the performance stability of vacuum pump in running, reduce maintenance workload, prolong the service life of equipment.

[0003] The utility model discloses a kind of dry screw vacuum pump online cleaning devices, its technical scheme points are as follows: including dry screw vacuum pump, the suction inlet of the dry screw vacuum pump is connected with material gas pipeline, suction control valve is equipped on the material gas pipeline, the suction inlet of the dry screw vacuum pump is also connected with cleaning liquid pipeline, cleaning control valve is equipped on the cleaning liquid pipeline, the dry screw vacuum pump is connected with frequency converter controller.The dry screw vacuum pump online cleaning device of the utility model under the premise of not changing original mechanical equipment structure, installation position and process pipeline configuration, only frequency conversion controller is added in different place on electrical main circuit, when needing to clean pump cavity in running, only need to switch electric control switch, switch frequency converter to low frequency, open cleaning control valve under low speed, pump cavity is pumped into cleaning liquid by pump self-negative pressure under low speed, brush washing to screw and cylinder wall is completed under low speed, and cleaning efficiency is greatly improved.

[0004] For the above-mentioned related content, there are the following technical defects: the vacuum pump is a kind of equipment that creates and maintains vacuum state by removing gas or air, and the existing vacuum pump needs to clean the pump cavity every half year, and two people need to cooperate to disassemble the inlet pipe during cleaning the pump cavity, and then install the pipe after cleaning, which needs half an hour, and foreign matter falls into the pump cavity during the ash cleaning process, which will directly cause the vacuum pump to be damaged.

[0005] Therefore, it is necessary to provide a new kind of vacuum pump self-cleaning device to solve the above technical problems. Utility model content

[0006] The utility model aims at solving the defects in the prior art that the vacuum pump needs to clean the pump cavity every half year, two people need to cooperate to disassemble the inlet pipe during cleaning the pump cavity, and then install the pipe after cleaning, which needs half an hour, and foreign matter falls into the pump cavity during the ash cleaning process, which will directly cause the vacuum pump to be damaged.

[0007] In order to solve the above technical problems, the utility model provides a vacuum pump self -cleaning device, include: vacuum pump body and auxiliary device, the air inlet end of vacuum pump body is equipped with adjusting device, adjusting device includes electromagnetic valve, the air inlet end fixed communication of electromagnetic valve and vacuum pump body, the liquid inlet of electromagnetic valve is fixedly connected with the connecting pipe, the connecting pipe is stainless steel pipe, the one end fixedly connected with storage tank of connecting pipe away from electromagnetic valve, the water inlet of storage tank is screwd with sealing cover, the side of storage tank away from sealing cover is connected with the slide of supporting plate, the side of supporting plate away from storage tank is fixedly connected with support seat, support seat and vacuum pump body fixed connection, the side of vacuum pump body close to electromagnetic valve is fixedly connected with the assembly board through auxiliary device, the side of assembly board is fixedly connected with electromagnetic switch, the side of assembly board close to time relay is fixedly connected with central controller.

[0008] The effect of the above components is that: the vacuum pump body is a device for creating and maintaining a vacuum state by removing gas or air. The existing vacuum pump body needs to be cleaned every half year. Two people need to cooperate to disassemble the air inlet pipe and then reinstall the pipe after cleaning. This process takes half an hour, and foreign matter falling into the pump cavity during the cleaning process can directly cause damage to the vacuum pump. At this time, the adjusting device can quickly clean the pump cavity of the vacuum pump body without disassembling the pipe, which greatly shortens the maintenance time of the vacuum pump body and reduces labor costs.

[0009] Preferably, the side of the supporting plate close to the storage tank is fixedly connected with a fixing block at both ends, and the inner wall of the fixing block is threaded through with a rotating rod. The arc surface of the two rotating rods close to each other is fixedly connected with a contact block at one end.

[0010] The effect of the above components is that: when the storage tank and the supporting plate come into contact, the rotating rod can be rotated on the fixing block, and the contact block can be driven into contact with the storage tank through the rotating rod, thereby improving the stability of the storage tank and the supporting plate when they come into contact through the rotating rod and the contact block.

[0011] Preferably, the side of the contact block away from the rotating rod is fixedly connected with a connecting pad, and the cross-sectional size of the connecting pad is the same as that of the contact block.

[0012] The effect of the above components is that: when the contact block and the storage tank come into contact, the connecting pad installed on the contact block can improve the stability of the contact block and the storage tank when they come into contact, thereby improving the stability of the contact block and the storage tank through the connecting pad.

[0013] Preferably, the arc surface of the sealing cover is provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are uniformly distributed on the arc surface of the sealing cover.

[0014] The anti-skid groove formed on the sealing cover can improve the friction of the surface of the sealing cover, so that the speed and efficiency of rotating the sealing cover can be improved through the anti-skid groove.

[0015] Preferably, the vacuum pump body is provided with an auxiliary device on one side close to the assembly plate, the auxiliary device comprises an assembly frame fixedly connected with the vacuum pump body, one inner wall of the assembly frame is slidably connected with a bottom plate fixedly connected with the assembly plate, the other inner wall of the assembly frame is fixedly connected with the same movable rod on both sides, the arc surface of the movable rod is rotatably connected with a moving plate, the arc surface of the movable rod is slidably connected with a coil spring at both ends, the two ends of the coil spring are fixedly connected with the side wall of the assembly frame and the moving plate respectively, the inner wall of the moving plate is slidably penetrated by a limiting rod, the arc surface of one end of the limiting rod is slidably connected with the inner wall of the bottom plate, the arc surface of the other end of the limiting rod is sleeved with a spring, the two ends of the spring are fixedly connected with the limiting rod and the moving plate respectively, and the arc surface of one end of the two limiting rods close to the spring is fixedly connected with the same connecting plate.

[0016] When the control element installed on the assembly plate needs to be repaired, the assembly plate can be disassembled from the vacuum pump body through the auxiliary device, so that the control unit on the assembly plate can be repaired by the maintenance personnel through the auxiliary device, and the repair efficiency and speed are improved.

[0017] Preferably, the arc surface of one end of the limiting rod away from the connecting plate is fixedly connected with a guide block, and the guide block is funnel-shaped.

[0018] When the limiting rod is driven by the spring and comes into contact with the inner wall of the bottom plate, the guide block installed on the limiting rod can improve the efficiency when the limiting rod comes into contact with the inner wall of the bottom plate.

[0019] Preferably, the limiting rod is a titanium alloy rod.

[0020] The rod body surface of the titanium alloy limiting rod is relatively hard, so that the rod body of the titanium alloy limiting rod is less likely to be deformed for a long time, and the service life is relatively long.

[0021] Compared with the related art, the vacuum pump self-cleaning device has the following beneficial effects:

[0022] This utility model provides a vacuum pump self-cleaning device. By setting an adjustment device, when it is necessary to clean the inside of the vacuum pump cavity, the pump cavity can be cleaned by adjusting the device. The adjustment device can improve the efficiency of cleaning the vacuum pump, reduce the manual labor required for cleaning the pump cavity, and reduce the labor cost of cleaning the pump cavity.

[0023] By setting up an auxiliary device, when the control unit installed on the assembly board malfunctions, the assembly board can be quickly removed from the vacuum pump. This auxiliary device improves the convenience of maintenance of the control unit installed on the assembly board, thereby increasing maintenance efficiency and speed. Attached Figure Description

[0024] Figure 1 A schematic diagram of the structure of a vacuum pump self-cleaning device provided by this utility model;

[0025] Figure 2 for Figure 1 The diagram shows the structure of the regulating device.

[0026] Figure 3 for Figure 1 A partial structural schematic diagram of the adjustment device shown;

[0027] Figure 4 for Figure 1 A partially enlarged schematic diagram of the adjustment device shown;

[0028] Figure 5 for Figure 1 The diagram shows the structure of the auxiliary device.

[0029] Figure 6 for Figure 1 A partially enlarged schematic diagram of the auxiliary device shown;

[0030] Figure 7 for Figure 1 The flowchart.

[0031] The following are the labeling elements in the diagram: 1. Vacuum pump body; 2. Adjustment device; 201. Solenoid valve; 202. Connecting pipe; 203. Storage box; 204. Sealing cover; 205. Tray; 206. Support base; 207. Assembly plate; 208. Electromagnetic switch; 209. Time relay; 210. Central controller; 211. Anti-slip groove; 212. Fixing block; 213. Rotating rod; 214. Contact block; 215. Connecting pad; 3. Auxiliary device; 31. Assembly frame; 32. Moving plate; 33. Movable rod; 34. Coil spring; 35. Limiting rod; 36. Base plate; 37. Spring; 38. Connecting plate; 39. Guide block. Detailed Implementation

[0032] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0033] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0034] Please refer to Figures 1 to 7 , the utility model example provides a vacuum pump self-cleaning device, it includes: vacuum pump body 1 and auxiliary device 3, the air inlet end of vacuum pump body 1 is equipped with adjusting device 2, and the side of vacuum pump body 1 close to assembly plate 207 is equipped with auxiliary device 3.

[0035] In the embodiment of the utility model, please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 7The adjusting device 2 comprises an electromagnetic valve 201 fixedly communicated with the air inlet end of the vacuum pump body 1, a connecting pipe 202 fixedly communicated with the liquid inlet of the electromagnetic valve 201, the connecting pipe 202 being a stainless steel pipe, a storage tank 203 fixedly communicated with one end of the connecting pipe 202 away from the electromagnetic valve 201, a sealing cover 204 threadedly connected with the water inlet of the storage tank 203, a supporting plate 205 slidably connected with one side of the storage tank 203 away from the sealing cover 204, a supporting seat 206 fixedly connected with one side of the supporting plate 205 away from the storage tank 203, the supporting seat 206 being fixedly connected with the vacuum pump body 1, an assembling plate 207 fixedly connected with one side of the vacuum pump body 1 close to the electromagnetic valve 201, an electromagnetic switch 208 fixedly connected with one side of the assembling plate 207, a time relay 209 fixedly connected with one side of the assembling plate 207 close to the electromagnetic switch 208, a central controller 210 fixedly connected with one side of the assembling plate 207 close to the time relay 209, the vacuum pump body 1 being a device for creating and maintaining a vacuum state by removing gas or air, the existing vacuum pump body 1 needs to be cleaned once every half a year, and two people need to cooperate to disassemble the air inlet pipe during the cleaning, and the pipe needs to be installed again after cleaning, and the process needs half an hour, and foreign matters in the pump cavity during the cleaning process will directly cause damage to the vacuum pump, at this time, the adjusting device 2 can be used for quickly cleaning the pump cavity of the vacuum pump body 1, and the adjusting device 2 does not need to disassemble the pipe during the cleaning of the pump cavity, which greatly shortens the maintenance time of the vacuum pump body 1 and reduces the labor cost, and the fixed blocks 212 are fixedly connected with the two ends of the side surface of the supporting plate 205 close to the storage tank 203, the rotating rods 213 are threadedly penetrated into the inner walls of the fixed blocks 212, the contact blocks 214 are fixedly connected with the arc surfaces of the two rotating rods 213 close to each other, the rotating rods 213 can be rotated on the fixed blocks 212 when the storage tank 203 contacts with the supporting plate 205, the contact blocks 214 can be driven to contact with the storage tank 203 through the rotating rods 213, and thus the stability of the contact between the storage tank 203 and the supporting plate 205 can be improved through the rotating rods 213 and the contact blocks 214, the connecting pads 215 are fixedly connected with one side of the contact blocks 214 away from the rotating rods 213, the cross-sectional size of the connecting pads 215 is same as that of the contact blocks 214, the connecting pads 215 installed on the contact blocks 214 can improve the stability of the contact between the contact blocks 214 and the storage tank 203 when the contact blocks 214 contact with the storage tank 203, and thus the stability of the contact between the contact blocks 214 and the storage tank 203 can be improved through the connecting pads 215, the arc surface of the sealing cover 204 is provided with a plurality of anti-skid grooves 211, the plurality of anti-skid grooves 211 are uniformly distributed on the arc surface of the sealing cover 204, and the anti-skid grooves 211 provided on the sealing cover 204 can improve the friction force of the surface of the sealing cover 204 when the sealing cover 204 is rotated at the water inlet of the storage tank 203, and thus the speed and efficiency of the rotating sealing cover 204 can be improved through the anti-skid grooves 211;

[0036] In the embodiment of the utility model, please refer to Figure 5 And Figure 6 , the auxiliary device 3 includes the assembly frame 31, the assembly frame 31 is fixedly connected with the vacuum pump body 1, one of the inner walls of the assembly frame 31 is slidably connected with the bottom plate 36, the bottom plate 36 is fixedly connected with the assembly plate 207, the other inner wall of the assembly frame 31 is fixedly connected with the same movable rod 33 on both sides, the arc surface of the movable rod 33 is rotatably connected with the moving plate 32, the arc surface of the movable rod 33 is slidably connected with the coil spring 34 at both ends, the both ends of the coil spring 34 are fixedly connected with the side wall of the assembly frame 31 and the moving plate 32 respectively, the inner wall of the moving plate 32 is slidably penetrated by the limiting rod 35, the arc surface of the limiting rod 35 is slidably connected with the inner wall of the bottom plate 36 at one end, the arc surface of the other end of the limiting rod 35 is sleeved with the spring 37, the both ends of the spring 37 are fixedly connected with the limiting rod 35 and the moving plate 32 respectively, the arc surface of one end of the two limiting rods 35 close to the spring 37 is fixedly connected with the same connecting plate 38, when the control element installed on the assembly plate 207 needs to be repaired, the assembly plate 207 can be disassembled from the vacuum pump body 1 through the auxiliary device 3, so that the assembly plate 207 is disassembled through the auxiliary device 3, to facilitate the maintenance personnel to repair the control unit on the assembly plate 207, improve the repair efficiency and speed, the arc surface of the other end of the limiting rod 35 away from the connecting plate 38 is fixedly connected with the guide block 39, the guide block 39 is funnel-shaped, when the limiting rod 35 is driven by the spring 37 and contacts with the inner wall of the bottom plate 36, the guide block 39 installed on the limiting rod 35 can improve the efficiency when the limiting rod 35 contacts with the inner wall of the bottom plate 36, the limiting rod 35 is a titanium alloy rod, the rod body surface of the limiting rod 35 made of titanium alloy is relatively hard, which also makes the limiting rod 35 made of titanium alloy difficult to deform for a long time, and has a long service life;

[0037] The working principle of the vacuum pump self-cleaning device is as follows: the sealing cover 204 is opened, alcohol or other cleaning agent is added into the storage tank 203 in advance, the central controller 210 is started, the central controller 210 transmits a signal to the time relay 209, the time relay 209 comprises an electronic control timing circuit, and the time relay 209 can be continuously opened in a specific time; after the time relay 209 receives the control signal at the input end, the time relay 209 starts timing; after a set delay time, the output end of the time relay 209 changes state; the time relay 209 transmits the signal to the electromagnetic switch 208; the electromagnetic switch 208 can make the current contact with the electromagnetic coil in the electromagnetic switch 208; the electromagnetic coil generates a magnetic field and pushes the contact point, so that the electromagnetic switch 208 is in circuit communication with the electromagnetic valve 201; when the current passes through the electromagnetic coil of the electromagnetic valve 201, the coil generates a magnetic field, and the valve core of the electromagnetic valve 201 is attracted to move, so that the switch state of the fluid passage is changed; at this time, the electromagnetic switch 208 activates the electromagnetic valve 201 and opens the fluid passage; the electromagnetic valve 201 adjusts the fluid flow through the electromagnetic force; at this time, the vacuum pump body 1 can be started; when the vacuum pump body 1 runs, negative pressure is generated, the cleaning agent is sucked into the pump cavity, and the dirt cleaned is discharged from the exhaust port; the cleaning task of the pump cavity of the vacuum pump body 1 is completed.

[0038] The connecting plate 38 is pulled upward, the movement of the connecting plate 38 drives the limiting rod 35 to move, the movement of the limiting rod 35 drives the spring 37 to stretch, at this time, the limiting rod 35 can be taken out of the bottom plate 36, at this time, the limiting effect of the limiting rod 35 on the bottom plate 36 is released, the reset of the coil spring 34 drives the moving plate 32 to move away from the bottom plate 36, at this time, the connecting plate 38 and the limiting rod 35 are driven to move, and the bottom plate 36 together with the assembly plate 207 can be taken out of the assembly frame 31.

[0039] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0040] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A vacuum pump self-cleaning device, characterized in that, The utility model relates to a kind of vacuum pump and auxiliary device, comprising: Vacuum pump body (1) and auxiliary device (3), the air inlet end of the vacuum pump body (1) is equipped with adjusting device (2), the adjusting device (2) includes electromagnetic valve (201), the electromagnetic valve (201) is fixedly communicated with vacuum pump body (1) air inlet end, the liquid inlet of the electromagnetic valve (201) is fixedly communicated with connecting pipe (202), the connecting pipe (202) is stainless steel pipe, the end of the connecting pipe (202) away from electromagnetic valve (201) is fixedly communicated with storage tank (203), the water inlet of the storage tank (203) is threadedly connected with sealing cover (204), the side of the storage tank (203) away from sealing cover (204) is slidably connected with supporting plate (205), the side of the supporting plate (205) away from storage tank (203) is fixedly connected with support seat (206), the support seat (206) is fixedly connected with vacuum pump body (1), the side of the vacuum pump body (1) close to electromagnetic valve (201) is fixedly connected with assembly plate (207) by auxiliary device (3), the side of the assembly plate (207) is fixedly connected with electromagnetic switch (208), the side of the assembly plate (207) close to electromagnetic switch (208) is fixedly connected with time relay (209), the side of the assembly plate (207) close to time relay (209) is fixedly connected with central controller (210).

2. A self-cleaning device for a vacuum pump according to claim 1, characterized in that The side of the supporting plate (205) close to storage tank (203) is fixedly connected with fixed block (212) at both ends, the inner wall of the fixed block (212) is screwed and penetrated with rotating rod (213), the end of the arc surface of the two rotating rods (213) close to each other is fixedly connected with contact block (214).

3. A self-cleaning device for a vacuum pump according to claim 2, characterized in that The side of the contact block (214) away from rotating rod (213) is fixedly connected with connecting pad (215), the cross-sectional dimension of the connecting pad (215) is same with the cross-sectional dimension of contact block (214).

4. A self-cleaning device for a vacuum pump according to claim 1, characterized in that, The arc surface of the sealing cover (204) is provided with a plurality of anti-skid grooves (211), and a plurality of the anti-skid grooves (211) are evenly distributed on the arc surface of the sealing cover (204).

5. A self-cleaning device for a vacuum pump according to claim 1, characterized in that, The vacuum pump body (1) is provided with an auxiliary device (3) near one side of the assembling plate (207), the auxiliary device (3) comprises an assembling frame (31), the assembling frame (31) is fixedly connected with the vacuum pump body (1), one inner wall of the assembling frame (31) is slidably connected with a bottom plate (36), the bottom plate (36) is fixedly connected with the assembling plate (207), the other inner wall of the assembling frame (31) is fixedly connected with the same movable rod (33) on both sides, the circular arc surface of the movable rod (33) is rotatably connected with a moving plate (32), the circular arc surface of the movable rod (33) is slidably connected with a coil spring (34) at both ends, the both ends of the coil spring (34) are fixedly connected with the side wall of the assembling frame (31) and the moving plate (32) respectively, the inner wall of the moving plate (32) is slidably penetrated by a limiting rod (35), the circular arc surface of the limiting rod (35) is slidably connected with the inner wall of the bottom plate (36) at one end, the circular arc surface of the limiting rod (35) is sleeved with a spring (37) at the other end, the both ends of the spring (37) are fixedly connected with the limiting rod (35) and the moving plate (32) respectively, the circular arc surface of the two limiting rods (35) is fixedly connected with the same connecting plate (38) at one end close to the spring (37).

6. A self-cleaning device for a vacuum pump according to claim 5, characterized in that The circular arc surface of the limiting rod (35) is fixedly connected with a guide block (39) at the other end away from the connecting plate (38), the guide block (39) is funnel-shaped.

7. A self-cleaning device for a vacuum pump according to claim 5, characterized in that The limiting rod (35) is a titanium alloy rod.

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