Water cooling structure of vacuum pump shell

Abstract

The utility model discloses a vacuum pump casing water cooling structure which comprises a pump casing body, a plurality of spaced longitudinal partition plates are arranged on the pump casing body in the length direction of the pump casing body, the outer wall of the pump casing body is divided into a plurality of cooling areas by the longitudinal partition plates, and a top plate and a bottom plate are arranged at the top and the bottom of each longitudinal partition plate respectively. A first transverse partition plate for blocking the lower portions of the cooling areas is arranged between the bottom plate and the pump shell body, the bottom plate is provided with a liquid inlet and a liquid outlet which are located in the front of the first transverse partition plate, a baffle for sealing and covering the cooling areas is arranged outside the longitudinal partition plate, and a notch is formed in the longitudinal partition plate in the middle and penetrates through all the cooling areas. The vacuum pump can be cyclically cooled by the cooling liquid in a multi-time shunting and uniform coating manner, and the cooling efficiency is high; under the condition that the cooling area is sealed, the vacuum pump can be completely sealed, dust is prevented from entering the vacuum pump, and efficient and stable work is kept.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum pumps, and in particular relates to a water cooling structure for a vacuum pump casing. Background Art

[0002] Vacuum pumps are usually used in the fields of science, industry and manufacturing to evacuate the container to obtain a vacuum. Generally speaking, a vacuum pump is a device that improves, generates and maintains a vacuum in a closed space to ensure the production and processing of high-quality products.

[0003] When the vacuum pump is working, a lot of heat will be generated inside, and the temperature inside the cavity will rise rapidly, seriously affecting the normal operation of the pump.

[0004] In order to keep the vacuum pump working at high efficiency for a long time, it is necessary to cool the pump to reduce the working temperature of the pump. At present, air cooling is mainly used to cool the vacuum pump. Not only is the cooling efficiency average, but it also causes the vacuum pump to lack effective sealing, which in turn causes dust to enter the interior and affect its normal operation. Utility Model Content

[0005] The utility model provides a water-cooling structure for a vacuum pump casing, which can complete the circulation cooling of the vacuum pump by multiple diversions of coolant and uniform covering, and has high cooling efficiency. When the cooling area is sealed, the vacuum pump can be completely sealed to avoid the entry of dust, and maintain high-efficiency and stable operation, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-cooling structure of a vacuum pump casing, comprising a pump casing body, wherein the pump casing body is provided with a plurality of spaced longitudinal partitions along its length direction, the longitudinal partitions divide the outer wall of the pump casing body into a plurality of cooling areas, the longitudinal partitions are provided with a top plate and a bottom plate at the top and bottom respectively, a first transverse partition is provided between the bottom plate and the pump casing body to seal the lower part of the cooling area, the bottom plate is provided with a liquid inlet and a liquid outlet located in front of the first transverse partition, the longitudinal partition is provided with a baffle sealingly covering the cooling area, the middle longitudinal partition is provided with a notch, and the notch passes through all the cooling areas.

[0007] Preferably, the notch is close to the bottom plate and located at the rear of the first transverse partition.

[0008] Preferably, a plurality of second transverse partitions for sealing the cooling area are provided between the longitudinal partitions, and a row of liquid-permeable holes is provided on the second transverse partitions.

[0009] Preferably, a connecting pipe is provided above the rear portion of the pump casing body, and the connecting pipe passes through the interior of the pump casing body.

[0010] Preferably, the pump casing body, the longitudinal partition, the top plate, the bottom plate and the first transverse partition are integrally formed.

[0011] Preferably, a connecting flange and a mounting hole are provided at the end of the pump casing body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. It can complete the circulation cooling of the coolant to the vacuum pump in multiple diversions and uniform covering, with high cooling efficiency.

[0014] 2. When the cooling area is sealed, the vacuum pump can be completely sealed to prevent dust from entering and maintain high efficiency and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 3 It is a rear view structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the baffle structure of the utility model.

[0019] In the figure: 1. pump casing body; 2. longitudinal partition; 3. cooling area; 4. top plate; 5. bottom plate; 6. first transverse partition; 7. liquid inlet; 8. liquid outlet; 9. baffle; 10. notch; 11. second transverse partition; 12. liquid permeable hole; 13. connecting pipe; 14. connecting flange. DETAILED DESCRIPTION

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

[0021] See also Figure 1-4The utility model provides a water-cooling structure for a vacuum pump casing, comprising a pump casing body 1, wherein the pump casing body 1 is provided with a plurality of spaced longitudinal partitions 2 along its length direction, wherein the longitudinal partitions 2 divide the outer wall of the pump casing body 1 into a plurality of cooling areas 3, wherein the longitudinal partitions 2 are provided with a top plate 4 and a bottom plate 5 at the top and the bottom respectively, wherein a first transverse partition 6 for blocking the lower part of the cooling area 3 is provided between the bottom plate 5 and the pump casing body 1, wherein the bottom plate 5 is provided with a liquid inlet 7 and a liquid outlet 8 located in front of the first transverse partition 6, wherein a baffle 9 for sealingly covering the cooling area 3 is provided on the outside of the longitudinal partition 2, wherein a notch 10 is provided on the middle part of the longitudinal partition 2, wherein the notch 10 passes through all the cooling areas 3; during operation, taking the case of providing a longitudinal partition 2 in the middle part as an example, the coolant enters the cooling area between the corresponding longitudinal partitions 2 from the liquid inlet 7. 3, after entering, it will be blocked by the longitudinal partition 2 and will not directly enter the adjacent cooling area 3, but will enter the upper cooling area 3 from bottom to top, and then enter the upper part of the back cooling area 3 through the gap between the pump casing body 1 and the top plate 4; then enter the bottom of the back cooling area 3 from top to bottom, and then enter the lower back of the adjacent cooling area 3 through the gap 10 of the back longitudinal partition 2, and then enter the upper cooling area 3 upward, and then enter the front cooling area 3 through the gap between the pump casing body 1 and the top plate 4, enter the bottom, and then be discharged from the liquid outlet 8. When multiple longitudinal partitions 2 are arranged in the middle, the principle is the same, and the coolant completes the multiple diversion and uniform covering circulation cooling of the vacuum pump, and when the top plate 4, the bottom plate 5, and the baffle 9 seal the cooling area 3, the vacuum pump can be completely sealed to avoid the entry of dust and maintain high efficiency and stable operation.

[0022] Specifically, the notch 10 is close to the bottom plate 5 and is located at the rear of the first transverse partition 6. In this embodiment, the coolant can fully bypass the pump casing body 1 and then be diverted from the notch 10, avoiding resistance caused by diversion in the upward and downward directions at the notch 10, which is conducive to circulation.

[0023] Specifically, a plurality of second transverse partitions 11 are provided between the longitudinal partitions 2 to block the cooling area 3, and a row of liquid permeable holes 12 are provided on the second transverse partitions 11; in this embodiment, the passing coolant can be diverted multiple times to complete the multiple diversion and uniform wrapping circulation cooling of the vacuum pump by the coolant.

[0024] Specifically, a connecting pipe 13 is provided on the upper rear portion of the pump casing body 1, and the connecting pipe 13 passes through the interior of the pump casing body 1; in this embodiment, the connecting pipe 13 is used to connect to an external control unit, and passes through the interior of the pump casing body 1 to be used as an internal line outlet.

[0025] Specifically, the pump casing body 1, the longitudinal partition 2, the top plate 4, the bottom plate 5 and the first transverse partition 6 are integrally formed; in this embodiment, integral casting can improve the overall processing efficiency, while also improving the sealing and stability of the joints between the parts.

[0026] Specifically, a connecting flange 14 and a mounting hole on the connecting flange 14 are provided at the end of the pump casing body 1 ; in this embodiment, the pump casing body 1 is conveniently fixedly connected to other components of the vacuum pump via the connecting flange 14 .

[0027] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0028] Working principle: During operation, taking a longitudinal partition 2 in the middle as an example, the coolant enters the lower front part of the cooling area 3 between the corresponding longitudinal partitions 2 from the liquid inlet 7. After entering, it will be blocked by the longitudinal partition 2 and will not directly enter the adjacent cooling area 3. It will be diverted from bottom to top through the liquid permeable holes 12 of the second transverse partition 11, and evenly enter the upper cooling area 3, and then enter the upper part of the back cooling area 3 through the gap between the pump housing body 1 and the top plate 4; then it will be diverted again from top to bottom through the liquid permeable holes 12 of the second transverse partition 11 on the back, enter the lower part of the back cooling area 3, and then enter the adjacent The coolant flows downward to the bottom of the back of the cooling area 3, then upwards into the liquid permeable hole 12 of the second transverse partition 11 to be diverted again, enters the cooling area 3 above, and then passes through the gap between the pump casing body 1 and the top plate 4 to enter the cooling area 3 in the front, and then downwards into the liquid permeable hole 12 of the second transverse partition 11 to be diverted again, enter the bottom, and then be discharged from the liquid outlet 8. When multiple longitudinal partitions 2 are arranged in the middle, the principle is the same, and the coolant completes multiple diversions of the vacuum pump for uniformly wrapped circulating cooling. When the top plate 4, the bottom plate 5, and the baffle 9 seal the cooling area 3, the vacuum pump can be completely sealed to avoid the entry of dust and maintain high efficiency and stable operation.

[0029] 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 vacuum pump casing water cooling structure, comprising a pump casing body (1), characterized in that: The pump casing body (1) is provided with a plurality of spaced longitudinal partitions (2) along its length direction, and the longitudinal partitions (2) divide the outer wall of the pump casing body (1) into a plurality of cooling areas (3). The longitudinal partitions (2) are provided with a top plate (4) and a bottom plate (5) at the top and bottom, respectively. A first transverse partition (6) is provided between the bottom plate (5) and the pump casing body (1) to block the lower part of the cooling area (3). The bottom plate (5) is provided with a liquid inlet (7) and a liquid outlet (8) located in front of the first transverse partition (6). The longitudinal partition (2) is provided with a baffle (9) to seal the cooling area (3). The longitudinal partition (2) is provided with a notch (10) in the middle, and the notch (10) passes through all the cooling areas (3).

2. A vacuum pump casing water cooling structure according to claim 1, characterized in that: The notch (10) is close to the bottom plate (5) and is located at the rear of the first transverse partition (6).

3. The water cooling structure of a vacuum pump casing according to claim 1, characterized in that: A plurality of second transverse partitions (11) for sealing the cooling area (3) are arranged between the longitudinal partitions (2), and a row of liquid permeable holes (12) are arranged on the second transverse partitions (11).

4. A vacuum pump casing water cooling structure according to claim 1, characterized in that: A connecting pipe (13) is provided on the upper rear portion of the pump casing body (1), and the connecting pipe (13) passes through the interior of the pump casing body (1).

5. The vacuum pump casing water cooling structure according to claim 1, characterized in that: The pump casing body (1), the longitudinal partition plate (2), the top plate (4), the bottom plate (5) and the first transverse partition plate (6) are integrally formed.

6. A vacuum pump casing water cooling structure according to claim 1, characterized in that: The end of the pump casing body (1) is provided with a connecting flange (14) and a mounting hole located on the connecting flange (14).

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