CN209811720U - Cooling device suitable for compressor hot jacket assembly - Google Patents
Cooling device suitable for compressor hot jacket assembly Download PDFInfo
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- CN209811720U CN209811720U CN201920294634.0U CN201920294634U CN209811720U CN 209811720 U CN209811720 U CN 209811720U CN 201920294634 U CN201920294634 U CN 201920294634U CN 209811720 U CN209811720 U CN 209811720U
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Abstract
The utility model relates to a hot jacket assembly technical field of compressor specifically is a cooling device suitable for assembly of compressor hot jacket, this compressor includes stator and casing, the casing is the pipe column, the stator outside is located to the coaxial ground cover of casing, the length of casing is greater than the length of stator, casing top-down includes the head space section in proper order, assembly middle section and end space section, assembly middle section and stator outside interference fit, this cooling device includes interior shower nozzle and 2 at least outer shower nozzles, interior shower nozzle is located head space section top, interior shower nozzle includes a plurality of lower nozzles, a plurality of lower nozzles are jet-propelled towards the inner wall of head space section. The outer spray head comprises a plurality of side nozzles, and the side nozzles spray air towards the outer walls of the assembly middle section and the bottom hollow section. The cooling device has high cooling efficiency, can realize synchronous cooling of different parts of the shell and is easy to implement.
Description
Technical Field
The utility model relates to a hot jacket assembly technical field of compressor specifically is a cooling device suitable for assembly of compressor hot jacket.
Background
The existing compressor hot jacket assembly process is that a cylindrical shell is heated to about 240 ℃ from normal temperature in a high-frequency induction heating mode and sleeved outside a stator, and then compressed air is sprayed towards the inner wall and the outer wall of the shell through an air gun to integrally cool the shell to below 120 ℃, so that interference assembly of the stator and the shell is realized. In the cooling link, because the action areas of the air gun and the shell are small, the height and the orientation of the air gun are required to be continuously adjusted to cool different parts of the shell, the cooling efficiency is low, the production rhythm can be slowed, the heating temperature sometimes has to be reduced to ensure the production rhythm, and adverse effects are caused on the assembly quality. In addition, the synchronous cooling of different parts of the shell is difficult to realize by adopting the cooling mode, so that the local deformation of the shell is easy to cause and the product quality is influenced.
Disclosure of Invention
The utility model mainly aims at providing a cooling device suitable for assembly of compressor heat jacket that cooling efficiency is higher and can realize the synchronous cooling in different positions of casing.
In order to realize the above object, the utility model provides a cooling device suitable for assembly of compressor heat jacket, this compressor includes stator and casing, the casing is the pipe column, the stator outside is located to the coaxial ground cover of casing, the length of casing is greater than the length of stator, casing top-down includes the headspace section in proper order, assembly middle section and end vacancy section, assembly middle section and stator outside interference fit, its special character lies in, this cooling device includes interior shower nozzle and 2 at least outer shower nozzles, interior shower nozzle is located headspace section top, interior shower nozzle includes a plurality of lower nozzles, a plurality of lower nozzles are jet-propelled towards the inner wall of headspace section. The outer spray head is located on the outer side of the assembly middle section and comprises a plurality of side spray nozzles, and the plurality of side spray nozzles spray air towards the outer walls of the assembly middle section and the bottom hollow section.
Because the inside cavity of headspace, through setting up arrangement position and injection angle on the interior shower nozzle of nozzle down rationally, can make by interior shower nozzle spun compressed air at the inside convection current that produces of headspace to play better cooling effect to the headspace. The stator is equipped with in the assembly middle section, and the end void section endotheca has the location frock that is used for fixed stator, consequently can not set up the shower nozzle that acts on the casing inside all, through set up a plurality of outer shower nozzles and to its spray angle who arranges position and side nozzle in the casing outside also can play better cooling effect to assembly middle section and end void section after optimizing. The synchronous cooling of the top hollow section, the assembly middle section and the bottom hollow section of the shell can be realized by pertinently arranging the inner spray head and the outer spray head.
The further proposal is that the inner spray head comprises a hollow air guide disc, and a plurality of lower spray nozzles are arranged at the bottom of the air guide disc and communicated with the air guide disc.
The further proposal is that the air guide disc is in a round cake shape, the outer diameter of the air guide disc is smaller than the inner diameter of the shell, and the air guide disc is coaxial with the shell.
The air guide disc is arranged to be in a round cake shape with the outer diameter smaller than that of the shell and coaxial with the shell, so that the volume of the air guide disc is reduced, the equipment cost is reduced, and the structure of the inner spray head is more compact. The air guide disc can uniformly guide out the compressed air inside from the lower part by virtue of a plurality of lower nozzles at the bottom and directly act on the inner wall of the headspace section.
The air guide plate is provided with a plurality of lower nozzles, and the lower nozzles are symmetrically arranged on the outer edge of the bottom surface of the air guide plate and are symmetrically distributed around the axis of the shell.
Therefore, the plurality of lower nozzles which are symmetrically distributed about the axis of the shell and have the lower ends outwards inclined can enable the sprayed compressed air to uniformly act on the inner wall of the headspace section in the circumferential direction, convection is generated inside the headspace section, and the improvement of the cooling effect of the headspace section is facilitated.
According to a preferable scheme, the inner spray head further comprises a first air inlet joint arranged at the top of the air guide disc, and air can be conveniently supplied by connecting an air compressor through an air conveying pipe with a corresponding connector.
Further, at least 2 outer nozzles are positioned at the same height outside the assembly middle section and are symmetrically distributed relative to the shell.
The outer spray heads which are at the same height and are symmetrically distributed relative to the shell can ensure uniform cooling of the assembly middle section and the bottom hollow section in the circumferential direction.
Further, the number of the outer spray heads is 2, and the minimum distance between the 2 outer spray heads is larger than the outer diameter of the shell.
The cooling device adopting the layout mode is convenient for arranging an assembly line between the outer spray heads, and a workpiece can horizontally pass through the gap between the end parts with the minimum distance between the two outer spray heads in the advancing process and cannot interfere with the two outer spray heads and the inner spray head.
The further proposal is that the outer spray head comprises a circular arc-shaped air duct with a closed end, and a plurality of side nozzles are arranged on the tube wall of the air duct facing one side of the shell and communicated with the air duct.
In a further proposal, a plurality of side nozzles are evenly distributed on the air duct, and the end part of each side nozzle is inclined downwards.
The side nozzles which are uniformly distributed and have downdip air outlet have larger action area with the outer wall of the shell, and can play a better cooling effect on the assembly middle section and the bottom hollow section.
According to a preferable scheme, the outer spray head further comprises a second air inlet connector arranged at the top of the air guide pipe, and air supply of the air compressor is facilitated by means of an air conveying pipe with a corresponding connector.
Drawings
Fig. 1 is a block diagram of an embodiment of a cooling device suitable for a compressor shrink fit assembly.
Fig. 2 is a top view of an embodiment of the cooling device suitable for use in a compressor shrink fit assembly.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
Fig. 4 is a bottom view of the inner nozzle in an embodiment of a cooling apparatus for a compressor shrink fit assembly of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 4, the utility model provides a cooling device suitable for assembly of compressor heat jacket, this compressor include stator 3 and casing 4, and casing 4 is the pipe column, and the stator 3 outside is located to the coaxial ground cover of casing 4, and casing 4's length is greater than the length of stator 3, and casing 4 top-down includes sky section 41, assembly middle section 42 and end sky section 43 in proper order, assembly middle section 42 and the 3 outside interference fit of stator. The cooling device comprises an inner spray head 1 and at least 2 outer spray heads 2, wherein the inner spray head 1 is positioned above a headspace section 41, the inner spray head 1 comprises a plurality of lower spray nozzles 11, and the plurality of lower spray nozzles 11 spray air towards the inner wall of the headspace section 41. The outer nozzle 2 is located outside the middle assembly section 42, the outer nozzle 2 includes a plurality of side nozzles 21, and the plurality of side nozzles 21 spray air toward the middle assembly section 42 and the outer wall of the bottom hollow section 43.
Because the headspace 41 is hollow, the arrangement position and the injection angle of the lower nozzle 11 on the inner nozzle 1 can cause the compressed air sprayed by the inner nozzle 1 to generate convection inside the headspace 41, thereby having a good cooling effect on the headspace 41. Stator 3 is equipped with in assembly middle section 42, and end vacant section 43 inner cover has the location frock (not marked in the figure) that is used for fixed stator 3, therefore all can't set up the shower nozzle that acts on the inside of casing 4, also can play better cooling effect to assembly middle section 42 and end vacant section 43 after setting up a plurality of outer shower nozzles 2 and optimizing its position of arranging and the injection angle of side nozzle 21 in the casing 4 outside. The targeted arrangement of the inner and outer spray heads 1, 2 enables the top hollow section 41, the assembly middle section 42 and the bottom hollow section 43 of the housing 4 to be cooled synchronously.
The inner spray head 1 comprises a hollow air guide disc 12, and a plurality of lower spray nozzles 11 are arranged at the bottom of the air guide disc 12 and communicated with the air guide disc 12. The air guide disc 12 is in a round cake shape, the outer diameter of the air guide disc 12 is smaller than the inner diameter of the shell 4, and the air guide disc 12 is coaxial with the shell 4.
The provision of the air guide plate 12 in a discoid shape having an outer diameter smaller than that of the housing 4 and coaxial with the housing 4 contributes to reduction in the volume of the air guide plate 12, reduction in the cost of equipment, and further compactness of the inner spray head 1. The air guide plate 12 can uniformly guide out the compressed air from the inside from the bottom by the plurality of lower nozzles 11 at the bottom, and directly acts on the inner wall of the headspace 41.
The plurality of lower nozzles 11 are symmetrically arranged on the outer edge of the bottom surface of the air guide disc 12, and the plurality of lower nozzles 11 are symmetrically distributed about the axis of the shell 4.
The plurality of lower nozzles 11, which are symmetrically distributed about the axis of the casing 4 and have their lower ends tilted outward, can cause the ejected compressed air to uniformly act on the inner wall of the headspace section 41 in the circumferential direction, and generate convection inside the headspace section 41, contributing to an improvement in the cooling effect of the headspace section 41.
The inner spray head 1 further comprises a first air inlet joint 13 arranged at the top of the air guide disc 12, and air supply of the air compressor is facilitated by means of an air conveying pipe with a corresponding joint.
At least 2 outer spraying heads 2 are located at the same height outside the assembly mid-section 41 and are symmetrically distributed about the casing 4.
The outer spraying heads 2, which are at the same height and are symmetrically distributed with respect to the housing 4, ensure uniform cooling of the assembly central section 42 and the bottom hollow section 43 in the circumferential direction.
The number of the outer spray heads 2 is 2, and the minimum distance between the 2 outer spray heads 2 is larger than the outer diameter of the housing 4.
The cooling device adopting the layout mode is convenient for arranging an assembly line between the outer spray heads 2, and a workpiece can horizontally pass through the gap between the end parts with the minimum distance between the two outer spray heads 2 in the advancing process and cannot interfere with the two outer spray heads 2 and the inner spray head 1. As shown in FIG. 2, the minimum distance between the two outer nozzles 2 in the embodiment is L between the ends of the two air ducts 22, the outer diameter of the housing 4 is D, and L > D.
In addition, in the whole cooling process, the cooling effect can be ensured only by keeping the workpiece and the inner spray head 1 and the outer spray head 2 relatively static for a certain time, and a complex moving mechanism is not required to be arranged for the inner spray head 1 and the outer spray head 2, so that the scheme is integrally easier to implement. Corresponding gallows or support through reasonable setting can provide effective support for interior shower nozzle 1 and outer shower nozzle 2 to guarantee that two outer shower nozzle 2's interval is invariable.
Referring to fig. 1 to 4, the outer nozzle 2 includes a closed-end circular arc-shaped air duct 22, and a plurality of side nozzles 21 are disposed on a wall of the air duct 22 facing the side of the housing 4 and are communicated with the air duct 22.
The plurality of side nozzles 21 are uniformly distributed on the air duct 22, and the end of each side nozzle 21 is inclined downward.
The action areas of the side nozzles 21 which are uniformly distributed and have downward inclined air outlet and the outer wall of the shell 4 are large, and a good cooling effect can be achieved on the assembly middle section 42 and the bottom hollow section 43.
The outer nozzle 2 further comprises a second air inlet connector 23 arranged at the top of the air duct 22, so that air can be conveniently supplied by connecting an air compressor through an air conveying pipe with a corresponding connector.
In the embodiment, the cross section of the air duct 22 is a rectangle with the inner side of the long side declining, the inner cavity of the air duct 22 is also a rectangle, the side nozzle 21 is vertically arranged on the side wall of the air duct 22, the second air inlet joint 23 is vertically arranged on the top wall of the air duct 22, and the first air inlet joint 13 is arranged at the center of the circle on the top surface of the air guiding disc 12. The air guide plate 12 and the air guide tube 22 can be made of cut metal plates according to the designed size by tailor welding. The first air inlet joint 13 and the second air inlet joint 23 are both in a circular tube shape and are provided with internal threads. The first air inlet joint 13, the second air inlet joint 23, the lower nozzle 11 and the side nozzle 21 can adopt corresponding standard parts and are fixedly assembled by welding to corresponding holes reserved on a metal plate.
Claims (10)
1. The utility model provides a cooling device suitable for assembly of compressor heat jacket, the compressor includes stator and casing, the casing is the pipe column, the casing is located coaxially the cover the stator outside, the length of casing is greater than the length of stator, casing top-down includes sky section, assembly middle section and end sky section in proper order, the assembly middle section with stator outside interference fit, its characterized in that:
the cooling device comprises an inner spray head and at least 2 outer spray heads, the inner spray head is positioned above the headspace section, the inner spray head comprises a plurality of lower spray nozzles, and the plurality of lower spray nozzles spray air towards the inner wall of the headspace section; the outer sprayer is located the outside of assembly middle section, outer sprayer includes a plurality of side nozzle, and is a plurality of the side nozzle orientation assembly middle section reaches the outer wall jet-propelled of end vacant section.
2. The cooling device for a compressor shrink fit assembly as set forth in claim 1, wherein:
the inner spray head comprises a hollow air guide disc, and the lower spray nozzles are arranged at the bottom of the air guide disc and communicated with the air guide disc.
3. The cooling device for a compressor shrink fit assembly as set forth in claim 2, wherein:
the air guide disc is in a round cake shape, the outer diameter of the air guide disc is smaller than the inner diameter of the shell, and the air guide disc is coaxial with the shell.
4. A cooling device adapted for use in a compressor shrink fit assembly as set forth in claim 3, wherein:
the lower nozzles are symmetrically arranged on the outer edge of the bottom surface of the air guide disc, and the lower nozzles are symmetrically distributed around the axis of the shell.
5. The cooling device for compressor hot jacket assembly according to any one of claims 2 to 4, wherein:
the inner spray head further comprises a first air inlet joint arranged at the top of the air guide disc.
6. The cooling device for a compressor shrink fit assembly as set forth in claim 1, wherein:
at least 2 outer shower nozzles are located the same height department and be symmetrical about the casing outside the assembly middle section.
7. The cooling device for a compressor shrink fit assembly of claim 6, wherein:
the number of the outer spray heads is 2, and the minimum distance between the 2 outer spray heads is larger than the outer diameter of the shell.
8. The cooling device for a compressor shrink fit assembly of claim 6, wherein:
the outer spray head comprises an arc-shaped air guide pipe with a closed end, and the plurality of side nozzles are arranged on the pipe wall of the air guide pipe facing one side of the shell and communicated with the air guide pipe.
9. The cooling device for a compressor shrink fit as set forth in claim 8, wherein:
the plurality of side nozzles are uniformly distributed on the gas guide pipe, and the end part of each side nozzle is inclined downwards.
10. A cooling device suitable for a compressor shrink fit assembly as claimed in claim 8 or 9, wherein:
the outer spray head further comprises a second air inlet connector arranged at the top of the air guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294634.0U CN209811720U (en) | 2019-03-08 | 2019-03-08 | Cooling device suitable for compressor hot jacket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294634.0U CN209811720U (en) | 2019-03-08 | 2019-03-08 | Cooling device suitable for compressor hot jacket assembly |
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| Publication Number | Publication Date |
|---|---|
| CN209811720U true CN209811720U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920294634.0U Active CN209811720U (en) | 2019-03-08 | 2019-03-08 | Cooling device suitable for compressor hot jacket assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822937A (en) * | 2020-07-17 | 2020-10-27 | 广东韶钢松山股份有限公司 | Cooling device and cooling method for hot charging equipment |
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2019
- 2019-03-08 CN CN201920294634.0U patent/CN209811720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822937A (en) * | 2020-07-17 | 2020-10-27 | 广东韶钢松山股份有限公司 | Cooling device and cooling method for hot charging equipment |
| CN111822937B (en) * | 2020-07-17 | 2022-10-14 | 广东韶钢松山股份有限公司 | Cooling device and cooling method for hot charging equipment |
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