CN223075731U - Vacuum pump with cold air cooling effect - Google Patents
Vacuum pump with cold air cooling effect Download PDFInfo
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- CN223075731U CN223075731U CN202422195684.7U CN202422195684U CN223075731U CN 223075731 U CN223075731 U CN 223075731U CN 202422195684 U CN202422195684 U CN 202422195684U CN 223075731 U CN223075731 U CN 223075731U
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Abstract
The utility model relates to a vacuum pump with a cold air heat dissipation effect, which belongs to the field of vacuum pumps, and comprises a chassis, a pump body and a driving part, wherein the pump body is arranged in the chassis through a support frame, an inner cavity is formed in the pump body, a controller is connected to the side surface of the chassis, a cooling oil tank communicated with the pump body is arranged in the chassis, a fan is connected to the support frame, an air flow conveying pipeline is connected to the fan, an air inlet valve communicated with the inner cavity of the pump body is connected to the pump body, one end of the air flow conveying pipeline is connected with the air inlet valve in a matched mode, cold air flow is generated by driving of the fan, and is transmitted to the inner cavity of the pump body through the air flow conveying pipeline.
Description
Technical Field
The utility model relates to the field of vacuum pumps, in particular to a vacuum pump with a cold air heat dissipation effect.
Background
Along with the continuous development of science and technology, the vacuum pump is increasingly widely applied in various industries, especially in the fields requiring high vacuum degree, high efficiency and stable operation, and the oil-cooled oil-free screw vacuum pump is used as one of the fields, has the characteristics of simple structure, high air extraction efficiency, high vacuum degree, stable operation and the like, and is widely applied to the fields of electronic industry, medical treatment, chemical industry and the like.
The oil-cooled oil-free screw vacuum pump adopts the screw working principle, extracts gas through the rotary motion of screws and compresses the gas, the core part of the oil-cooled oil-free screw vacuum pump mainly comprises a pair of intermeshing screws, the screws rotate in the pump body, gas is sucked from an air inlet and is discharged after being compressed through gaps between the screws, meanwhile, the pump body is cooled through an oil cooling system, the stable operation of the vacuum pump is ensured, and the oil-cooled oil-free screw vacuum pump is widely applied to the fields of enterprises with higher requirements on clean vacuum, such as domestic pharmacy, chemical industry, semiconductors and the like.
However, the existing oil-cooled oil-free screw vacuum pump still has some defects, the existing oil-cooled oil-free screw vacuum pump generally performs cooling by injecting cooling oil into the pump body, but in the long-time operation process, due to lubrication of the cooling oil and flow of the pump body and a circulating oil way, the cooling oil is easy to generate a large amount of loss, so that an oil cooling system is required to be maintained and managed at fixed time, and the cooling oil under the loss has poor cooling and heat dissipation effects on the pump body when the pump body is used for a long time by absorbing heat in the pump body, so that the working efficiency of the pump body is reduced, the vacuum degree is insufficient, the normal operation of equipment is influenced, and in addition, the inside of the pump body is overheated, so that the performance and the service life of the equipment are influenced, and the stable use is not facilitated.
Disclosure of utility model
The utility model aims to solve the defects and provide the vacuum pump with the cold air heat dissipation effect, so as to solve the technical problems that the cooling oil of the vacuum pump is easy to lose under the long-time cooling use of the cooling oil in the background art, the cooling heat dissipation effect of the vacuum pump is poor, and the stable operation of the vacuum pump is affected.
The object of the utility model is achieved by:
The utility model provides a take vacuum pump of cold wind radiating effect, includes quick-witted case, pump body and driving piece, and the pump body passes through the support frame to be installed in quick-witted incasement, and the inside of pump body is formed with the inner chamber, and driving piece is connected with the one end of pump body, and the side of machine case is connected with the controller, and the inside of machine case is equipped with the cooling oil tank with the pump body intercommunication, be connected with the fan on the support frame, be connected with air current pipeline on the fan, be connected with the admission valve with the pump body inner chamber intercommunication on the pump body, an end of air current pipeline extends to the pump body to mate with the admission valve on the pump body and be connected, produce cold wind air current and pass air current pipeline and transmit the inner chamber of the pump body to by the fan drive, the both ends of pump body are connected with air inlet and the gas vent of pump body inner chamber intercommunication respectively on air inlet and the gas vent.
In the above description, further, be provided with air intake and air outlet on the fan respectively, the tip of air intake and air outlet all exposes in the lateral surface of fan, and the tip and the air current pipeline intercommunication installation of air outlet make the air current that its fan operation produced through the air outlet on the fan guide into the inner chamber of the pump body through the air current pipeline, further strengthen the cooling effect to the heat dissipation of the pump body to improve the stability of pump body operation.
In the above description, further, the fan comprises casing, driving motor and impeller, the casing is installed on the support frame, the inside of casing is formed with the cavity that all communicates with air intake and air outlet, the impeller is installed in the cavity, driving motor installs on the casing, and driving motor's output shaft is connected with impeller coaxial, when rotatory by driving motor drive impeller, the air is forced through the gap between the blade that is equipped with on the impeller, receive the impeller promote and accelerate, because the rotational velocity of impeller is very high, the air also can follow the impeller high-speed rotation, thereby increase kinetic energy and the pressure of air, make it can follow the gas outlet discharge and pass the inner chamber that air current pipeline got into the pump body, thereby carry out cold wind heat dissipation to the pump body and the inside screw rod of the pump body, original paper such as bearing, improve the stability of pump body operation.
In the above description, the side surface of the cooling oil tank is connected with a heat exchanger through a cooling oil pipe, the heat exchanger is connected with the bottom of the pump body through a first oil injection pipe, the side surface of the pump body is provided with a gear box, the cooling oil tank is connected with the gear box through a second oil injection pipe, the pump body is provided with an oil return pipe connected with the cooling oil tank through a liquid pump, and the cooling oil in the pump body can be subjected to heat exchange and cooling through the heat exchanger through the arranged cooling oil tank, so that the cooled cooling oil is injected into the pump body through the first oil injection pipe and the second oil injection pipe, and a circulating cooling oil path is formed by connecting the oil return pipe with the cooling oil tank;
when cooling oil enters the inner cavity of the pump body, cold air of the fan is led in through the air inlet valve, so that the cooling heat dissipation effect on the pump body is further enhanced, and the cold air forms certain pressure under the driving of the fan, so that the cooling oil in the pump body is reduced in adhesion residues in the inner cavity, and the utilization rate of the cooling oil is improved.
In the above description, further, the bottom of heat exchanger is connected with the cooler bin, and the top of cooler bin and the bottom contact of heat exchanger, and the internally mounted of cooler bin has cooling fan, sets up the cooler bin and carries out the forced air cooling heat dissipation to the heat exchanger, further strengthens the cooling effect to the cooling oil, prevents the cooling effect that the cooling oil temperature is too high to influence the pump body.
In the above description, one end of the air inlet pipe is communicated with the air inlet, and the other end of the air inlet pipe extends outwards of the case and is connected with a filter.
In the above description, one end of the exhaust pipe is communicated with the exhaust port, the other end of the exhaust pipe is connected with a silencing pipe, one end of the silencing pipe extends outwards of the case, and noise of operation of the vacuum pump is reduced through the connected silencing pipe.
The cooling oil tank has the beneficial effects that through the cooling oil tank, part of heat generated by the pump body can be absorbed and taken away by cooling liquid in the cooling oil tank, the cooling liquid generates certain use loss in the long-time use process of the vacuum pump, the fan is communicated with the inner cavity of the pump body through the air flow conveying pipeline, cold air flow is generated when the fan is driven, the cold air flow is directly transmitted to the inner cavity of the pump body through the air flow conveying pipeline, and the original part in the inner cavity of the pump body is subjected to air cooling and heat dissipation through the cold air, so that the working temperature in the pump body is effectively reduced, the heat dissipation effect of the vacuum pump is further improved by combining the cold air heat dissipation and the cooling liquid heat dissipation mode of the cooling oil tank, the stable performance and efficiency of the vacuum pump can be ensured under the long-time and high-strength working state, the service life of the vacuum pump is prolonged, and the air inlet and the air outlet which are arranged at two ends of the pump body and are communicated with the inner cavity can smoothly enter and exit the pump body, so that the heat dissipation effect and the working efficiency of the vacuum pump are enhanced.
Drawings
Fig. 1 is a perspective view of the present embodiment;
Fig. 2 is a schematic diagram of a connection structure of a blower in the present embodiment;
FIG. 3 is an enlarged schematic view of a portion of FIG. 2A;
FIG. 4 is a schematic view of the connection structure of the pump body in the present embodiment;
Fig. 5 is a sectional view of the present embodiment;
FIG. 6 is a schematic view of the internal structure of the present embodiment;
fig. 7 is a schematic diagram of a connection structure of the cooling tank in the present embodiment;
The reference numerals in the figure are respectively 1-machine case, 2-pump body, 3-driving piece, 4-supporting frame, 5-controller, 6-cooling oil tank, 7-fan, 71-shell, 72-driving motor, 73-impeller, 8-air flow conveying pipeline, 9-air inlet valve, 10-air inlet, 11-air outlet, 12-air inlet pipeline, 13-air outlet pipeline, 14-air inlet, 15-air outlet, 16-cooling oil pipe, 17-heat exchanger, 18-first oil injection pipe, 19-gear box, 20-second oil injection pipe, 21-cooling box, 22-cooling fan, 23-filter, 24-silencing pipe and 25-oil return pipe.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1-7, a vacuum pump with a cold air heat dissipation effect in a specific implementation manner comprises a case 1, a pump body 2 and a driving part 3, wherein the pump body 2 is installed in the case 1 through a supporting frame 4, an inner cavity is formed in the pump body 2, the driving part 3 is connected with one end of the pump body 2, a controller 5 is connected to the side face of the case 1, a cooling oil tank 6 communicated with the pump body 2 is arranged in the case 1, a fan 7 is connected to the supporting frame 4, an air flow conveying pipeline 8 is connected to the fan 7, an air inlet valve 9 communicated with the inner cavity of the pump body 2 is connected to the pump body 2, one end of the air flow conveying pipeline 8 extends to the pump body 2 and is connected with the air inlet valve 9 on the pump body 2 in a matched mode, cold air flow generated by driving of the fan 7 passes through the air flow conveying pipeline 8 and is transmitted to the inner cavity of the pump body 2, an air inlet 10 and an air outlet 11 communicated with the inner cavity of the pump body 2 are respectively connected to the two ends of the pump body 2, and an air inlet pipe 12 and an air outlet 13 are respectively connected to the air inlet 10 and the air outlet 11.
In this embodiment, be provided with air intake 14 and air outlet 15 on the fan 7 respectively, the tip of air intake 14 and air outlet 15 all exposes in the lateral surface of fan 7, and the tip and the air current pipeline 8 intercommunication installation of air outlet 15 make the air current that its fan 7 operation produced through air outlet 15 on the fan 7 guide into the inner chamber of the pump body 2 through air current pipeline 8, further strengthen the cooling effect of dispelling the heat to the pump body 2 to improve the stability of pump body 2 operation.
In this embodiment, the fan 7 is composed of a casing 71, a driving motor 72 and an impeller 73, the casing 71 is mounted on the support frame 4, a cavity communicated with both the air inlet 14 and the air outlet 15 is formed inside the casing 71, the impeller 73 is mounted in the cavity, the driving motor 72 is mounted on the casing 71, and an output shaft of the driving motor 72 is connected with the impeller 73 coaxially;
When the impeller 73 is driven to rotate by the driving motor 72, air is forced to pass through gaps among blades arranged on the impeller 73 and is accelerated by the pushing of the impeller 73, and because the rotating speed of the impeller 73 is very high, the air also can rotate at a high speed along with the impeller 73, so that the kinetic energy and the pressure of the air are increased, the air can be discharged from the air outlet and pass through the air flow conveying pipeline 8 to enter the inner cavity of the pump body 2, cold air heat dissipation is carried out on the pump body 2 and original elements such as a screw rod, a bearing and the like in the pump body 2, and the running stability of the pump body 2 is improved.
In this embodiment, a heat exchanger 17 is connected to the side surface of the cooling oil tank 6 through a cooling oil pipe 16, the heat exchanger 17 is connected to the bottom of the pump body 2 through a first oil injection pipe 18, a gear box 19 is arranged on the side surface of the pump body 2, the cooling oil tank 6 is connected to the gear box 19 through a second oil injection pipe 20, an oil return pipe 25 is connected to the cooling oil tank 6 through an oil pump on the pump body 2, and cooling oil in the cooling oil tank 6 can be subjected to heat exchange cooling through the heat exchanger 17, so that the cooled cooling oil is injected into the pump body 2 through the first oil injection pipe 18 and the second oil injection pipe 20, and a circulating cooling oil path is formed by connecting the oil return pipe 25 and the cooling oil tank 6;
When cooling oil enters the inner cavity of the pump body 2, cold air of the fan 7 is led in through the air inlet valve 9, so that the cooling and heat dissipation effects on the pump body 2 are further enhanced, and the cold air forms certain pressure under the driving of the fan 7, so that the cooling oil in the pump body 2 is reduced in adhesion residues in the inner cavity, and the utilization rate of the cooling oil is improved.
In this embodiment, the bottom of heat exchanger 17 is connected with cooling tank 21, and cooling tank 21's radiating end and the bottom contact of heat exchanger 17, and cooling tank 21's internally mounted has cooling fan 22, sets up cooling tank 21 and carries out the forced air cooling heat dissipation to heat exchanger 17, further strengthens the cooling effect to the cooling oil, prevents that the cooling oil temperature from influencing the cooling effect of pump body 2 too high.
In this embodiment, one end of the air intake duct 12 communicates with the air intake 10, and the other end of the air intake duct 12 extends outside the casing 1 and is connected with a filter 23.
In this embodiment, one end of the exhaust pipe 13 is communicated with the exhaust port 11, the other end of the exhaust pipe 13 is connected with a silencing pipe 24, one end of the silencing pipe 24 extends to the outside of the chassis 1, and noise of the vacuum pump is reduced by the connected silencing pipe 24.
The blower 7 in this embodiment is a high-pressure blower.
The concrete use principle in the embodiment is that an oil return pipe 25 is used for connecting the pump body 2 with the cooling oil tank 6, the bottom of the pump body 2 is connected with an output port of the heat exchanger 17 through a first oil injection pipe 18, the side surface of the cooling oil tank 6 is connected with an input end of the heat exchanger 17 through a cooling oil pipe 16 to form a circulating cooling oil path, when a liquid pump is connected to enable cooling oil in the cooling oil tank 6 to enter the heat exchanger 17 through the cooling oil pipe 16 for cooling, the cooling oil is injected into the pump body 2 through the first oil injection pipe 18 at the output port of the heat exchanger 17, so that the cooling oil enters the pump body 2 to absorb and take away part of heat generated by the pump body 2;
Install fan 7 on support frame 4 to make the air outlet 15 of fan 7 communicate with the admission valve 9 of pump body 2 through air current pipeline 8, produce cold wind air current when the motor drive impeller 73 on fan 7 is rotatory, make it directly transmit to the inner chamber of pump body 2 through air current pipeline 8, effectively reduce the inside operating temperature of pump body 2, and can make the cooling oil of inner chamber extrude the discharge under the air current of carrying pressure, thereby through combining cold wind heat dissipation and the coolant liquid radiating mode of cooling oil tank 6 further improve the radiating effect of vacuum pump, can ensure that the vacuum pump keeps stable performance and efficiency under long-time, high strength operating condition, the life of extension equipment, in order to strengthen the radiating effect and the work efficiency of vacuum pump.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that the present utility model is not limited thereto, and that the utility model is not limited thereto, but is intended to be limited thereto, when the technical content disclosed above is utilized to make a little change or modification into equivalent embodiments of equivalent changes, but the technical content of the utility model is not deviated from, any simple modification, equivalent changes and modification of the above embodiments are all within the scope of the technical solution of the utility model.
Claims (7)
1. The vacuum pump with the cold air heat dissipation effect comprises a machine case, a pump body and a driving piece, wherein the pump body is arranged in the machine case through a supporting frame, an inner cavity is formed in the pump body, the driving piece is connected with one end of the pump body, a controller is connected to the side face of the machine case, a cooling oil tank communicated with the pump body is arranged in the machine case, the vacuum pump is characterized in that a fan is connected to the supporting frame, an air flow conveying pipeline is connected to the fan, an air inlet valve communicated with the inner cavity of the pump body is connected to the pump body, one end of the air flow conveying pipeline extends to the pump body and is connected with the air inlet valve in a matched mode, cold air flow is generated by driving of the fan to pass through the air flow conveying pipeline and is transmitted to the inner cavity of the pump body, two ends of the pump body are respectively connected with an air inlet and an air outlet communicated with the inner cavity of the pump body, and an air inlet pipeline and an air outlet pipeline are respectively connected to the air inlet and the air outlet.
2. The vacuum pump with the cold air heat dissipation effect according to claim 1, wherein the fan is provided with an air inlet and an air outlet respectively, the end parts of the air inlet and the air outlet are exposed on the outer side surface of the fan, and the end part of the air outlet is communicated with the air flow conveying pipeline.
3. The vacuum pump with the cold air heat dissipation effect according to claim 2, wherein the fan is composed of a shell, a driving motor and an impeller, the shell is mounted on the support frame, a cavity communicated with the air inlet and the air outlet is formed in the shell, the impeller is mounted in the cavity, the driving motor is mounted on the shell, and an output shaft of the driving motor is connected with the impeller coaxially.
4. The vacuum pump with cold air heat dissipation effect according to claim 1, wherein the side face of the cooling oil tank is connected with a heat exchanger through a cooling oil pipe, the heat exchanger is connected with the bottom of the pump body through a first oil injection pipe, the side face of the pump body is provided with a gear box, the cooling oil tank is connected with the gear box through a second oil injection pipe, and the pump body is connected with the cooling oil tank through an oil return pipe.
5. The vacuum pump with cold air heat dissipation effect according to claim 4, wherein the bottom of the heat exchanger is connected with a cooling box, the cooling box is in contact with the heat exchanger, and a cooling fan is arranged in the cooling box.
6. The vacuum pump with cold air heat dissipation effect according to any one of claims 1-5, wherein one end of the air inlet pipeline is communicated with the air inlet, and the other end of the air inlet pipeline extends outwards of the case and is connected with a filter.
7. The vacuum pump with cold air heat dissipation effect according to any one of claims 1-5, wherein one end of the exhaust pipe is communicated with the exhaust port, the other end of the exhaust pipe is connected with a silencing pipe, and one end of the silencing pipe extends outwards of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422195684.7U CN223075731U (en) | 2024-09-06 | 2024-09-06 | Vacuum pump with cold air cooling effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422195684.7U CN223075731U (en) | 2024-09-06 | 2024-09-06 | Vacuum pump with cold air cooling effect |
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| Publication Number | Publication Date |
|---|---|
| CN223075731U true CN223075731U (en) | 2025-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422195684.7U Active CN223075731U (en) | 2024-09-06 | 2024-09-06 | Vacuum pump with cold air cooling effect |
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| CN (1) | CN223075731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120845307A (en) * | 2025-09-22 | 2025-10-28 | 淄博华舜耐腐蚀真空泵有限公司 | A carbon fiber corrosion-resistant vacuum pump that is easy to dissipate heat |
-
2024
- 2024-09-06 CN CN202422195684.7U patent/CN223075731U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120845307A (en) * | 2025-09-22 | 2025-10-28 | 淄博华舜耐腐蚀真空泵有限公司 | A carbon fiber corrosion-resistant vacuum pump that is easy to dissipate heat |
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