CN212620250U - Duplex heat exchanger - Google Patents
Duplex heat exchanger Download PDFInfo
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- CN212620250U CN212620250U CN202021203367.0U CN202021203367U CN212620250U CN 212620250 U CN212620250 U CN 212620250U CN 202021203367 U CN202021203367 U CN 202021203367U CN 212620250 U CN212620250 U CN 212620250U
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Abstract
The utility model discloses a duplex heat exchanger, which comprises a first sleeve, a second sleeve, a connecting pipe plate component and a heat exchange pipe; cooling oil for cooling the hydraulic system is cooled in the first sleeve pipe cavity, and cold water for cooling the driver and the servo motor is cooled in the second sleeve pipe cavity; the cooling water enters the heat exchange tube through the cooling water inlet on the front water cover, and sequentially passes through the first sheathed tube cavity and the second sheathed tube cavity along the heat exchange tube communicated with the cooling water inlet and flows into the backwater cavity, and then flows back into the heat exchange tube communicated with the cooling water outlet, so that the cooling oil and the cold water can be simultaneously cooled by a single heat exchanger, the good cooling effect is provided for the driver and the servo motor by utilizing the good fluidity of the cold water, and the service lives of the driver and the servo motor are prolonged.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a duplex heat exchanger.
Background
The working systems of an injection molding machine, a die casting machine and a high-speed forming machine comprise a hydraulic system, a servo system and the like, cooling oil is pumped into the hydraulic system from an oil pool in the existing equipment to cool the hydraulic system, after cooling is completed, the cooling oil enters a cooler to carry out heat exchange cooling, the cooling oil after cooling is completed returns to the oil pool again, and the cooling oil is pumped into the hydraulic system again to be cooled, and circulation is formed.
Servo includes driver and servo motor, driver and servo motor are after long-time heavy load work, can produce a large amount of heats, influence driver and servo motor's life, consequently in prior art, usually can cool off in the cooling tube that has the pump income driver in the oil bath and servo motor, but it is not obvious to driver and servo motor's cooling effect, the cooling tube pipe diameter in driver and the servo motor is less simultaneously, the cooling oil is because the stickness is great, need powerful pump body to adopt to make the coolant liquid flow in the cooling tube in the motor, consequently, need improve above-mentioned problem.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a duplex heat exchanger which can provide heat dissipation for a hydraulic system and a servo system at the same time.
According to the embodiment of the invention, the duplex heat exchanger comprises a first sleeve, a second sleeve, a connecting pipe plate assembly and a heat exchange pipe; the front end of the first sleeve is provided with a front sealing cover assembly, the front sealing cover assembly is provided with a cooling water inlet and a cooling water outlet, and the first sleeve is respectively provided with an oil inlet and an oil outlet; a rear sealing cover assembly is arranged at the rear end of the second sleeve, a water return cavity is arranged in the rear sealing cover assembly, and a water inlet and a water outlet are respectively formed in the second sleeve; the connecting pipe plate component is used for connecting the rear end of the first sleeve with the front end of the second sleeve and enabling the inner cavity of the first sleeve and the inner cavity of the second sleeve to be independent; the heat exchange tubes are arranged between the front cover assembly and the rear cover assembly and penetrate through the connecting tube plate assembly, at least two heat exchange tubes are adopted, and the cooling water inlet, the water return cavity and the cooling water outlet are connected into a loop through the heat exchange tubes.
According to some embodiments of the present invention, the front cover assembly includes a front water cover and a first tube plate, the front water cover is fixed on the first tube plate, the first tube plate is connected to the front end of the first sleeve, the cooling water inlet and the cooling water outlet are respectively disposed on the front water cover, and the first tube plate is provided with a first tube hole for inserting the heat exchange tube.
According to some embodiments of the invention, the front water cover is provided inside with a first dividing rib located between the cooling water inlet and the cooling water outlet.
According to some embodiments of the invention, the first tube plate is provided with a first sealing annular groove and a first mounting annular groove.
According to some embodiments of the present invention, the rear cover assembly includes a rear water cover and a second tube plate, the rear water cover is fixed on the second tube plate, the second tube plate is connected to the rear end of the second sleeve, the water return chamber is located between the rear water cover and the second tube plate, and the second tube plate is provided with a second tube hole for inserting the heat exchange tube.
According to some embodiments of the invention, the second tube plate is provided with a second sealing annular groove and a second mounting annular groove.
According to some embodiments of the present invention, the connection tube plate assembly includes two connection tube plates, and a connection gasket, wherein one of the connection tube plates is connected to the rear end of the first sleeve, the other of the connection tube plates is connected to the front end of the second sleeve, the connection gasket is interposed between the two connection tube plates, and each of the two connection tube plates is provided with a third tube hole for inserting the heat exchange tube.
According to some embodiments of the invention, the connecting gasket is provided with a second dividing rib.
According to some embodiments of the invention, a connecting annular groove is provided on both of the connecting tube plates.
According to the embodiment of the invention, the duplex heat exchanger has at least the following beneficial effects:
cooling oil for cooling the hydraulic system is cooled in the first sleeve pipe cavity, and cold water for cooling the driver and the servo motor is cooled in the second sleeve pipe cavity; the cooling water enters the heat exchange tube through the cooling water inlet on the front water cover, and sequentially passes through the first sheathed tube cavity and the second sheathed tube cavity along the heat exchange tube communicated with the cooling water inlet and flows into the backwater cavity, and then flows back into the heat exchange tube communicated with the cooling water outlet, so that the cooling oil and the cold water can be simultaneously cooled by a single heat exchanger, the good cooling effect is provided for the driver and the servo motor by utilizing the good fluidity of the cold water, and the service lives of the driver and the servo motor are prolonged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the front water cover shown in FIG. 1;
FIG. 4 is a schematic view of the back side of the front water cover shown in FIG. 1;
FIG. 5 is a schematic view of the front water cover and the first tube sheet shown in FIG. 1;
FIG. 6 is a schematic view of the connecting gasket shown in FIG. 1;
FIG. 7 is a schematic view of the first connecting tube plate, one connecting gasket, and the second connecting tube plate shown in FIG. 1.
A first sleeve 100, an oil inlet 110 and an oil outlet 120; a second sleeve 200, a water inlet 210 and a water outlet 220; the front sealing cover assembly 300, a cooling water inlet 301, a cooling water outlet 302, a front water cover 310, a first dividing rib 311, a first tube plate 320, a first tube hole 321, a first sealing annular groove 322 and a first mounting annular groove 323; the rear sealing cover assembly 400, the water return chamber 401, the rear water cover 410, the second tube plate 420, the second tube hole 421, the second sealing annular groove 422 and the second mounting annular groove 423; a connecting tube plate assembly 500, a connecting tube plate 510, a third tube hole 511, a connecting ring groove 512, a connecting gasket 520 and a second dividing rib 521; the heat exchange pipe 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1 and 2, a duplex heat exchanger cools a hydraulic system by using cooling oil, a driver and a servo motor cool by using cold water, a first sleeve 100 is provided with an oil inlet 110 and an oil outlet 120, respectively, so that the cooling oil enters a tube cavity of the first sleeve 100 through the oil inlet 110 to be cooled and flows out of the oil outlet 120 to an oil pool, and a second sleeve 200 is provided with a water inlet 210 and a water outlet 220, respectively, so that the cold water enters the tube cavity of the second sleeve 200 through the water inlet 210 to be cooled and flows out of the water outlet 220 to the cold water pool.
The rear end of the first sleeve 100 is connected with the front end of the second sleeve 200 through a connecting pipe plate assembly 500, and the inner cavity of the first sleeve 100 is independent from the inner cavity of the second sleeve 200; the front end of the first sleeve 100 is provided with a front cover assembly 300, the front cover assembly 300 is provided with a cooling water inlet 301 and a cooling water outlet 302, the rear end of the second sleeve 200 is provided with a rear cover assembly 400, the heat exchange tube 600 is arranged between the front cover assembly 300 and the rear cover assembly 400 and penetrates through the connecting tube plate assembly 500, at least two heat exchange tubes 600 are adopted, cooling water enters the heat exchange tube 600 through the cooling water inlet 301 on the front water cover 310, and passes through the tube cavity of the first sleeve 100 and the tube cavity of the second sleeve 200 in turn along the heat exchange tube 600 communicated with the cooling water inlet 301, and flows into the backwater chamber 401, the cooling water flows back into the heat exchange tube 600 communicated with the cooling water outlet 302, the cooling oil and the cold water are simultaneously cooled by a single heat exchanger, and the good fluidity of cold water is utilized, a good cooling effect is provided for the driver and the servo motor, and the service lives of the driver and the servo motor are prolonged.
Referring to fig. 2 to 4 and 5, the front cover assembly 300 includes a front water cover 310 and a first tube plate 320, the front water cover 310 is fixed on the first tube plate 320, the first tube plate 320 is connected to the front end of the first sleeve 100, the cooling water inlet 301 and the cooling water outlet 302 are respectively disposed on the front water cover 310, and the first tube plate 320 is provided with a first tube hole 321 for inserting the heat exchange tube 600.
The first tube plate 320 is provided with a first sealing annular groove 322, a sealing ring is arranged in the sealing annular groove to increase the sealing performance between the front water cover 310 and the first tube plate 320, and the first mounting annular groove 323 is used for being clamped into the first sleeve 100 to ensure the stability of connection.
Referring to fig. 2, the rear cap assembly 400 includes a rear water cap 410 and a second tube plate 420, the rear water cap 410 is fixed to the second tube plate 420, the second tube plate 420 is connected to the rear end of the second casing 200, the water return chamber 401 is located between the rear water cap 410 and the second tube plate 420, and the second tube plate 420 is provided with a second tube hole 421 for inserting the heat exchange tube 600.
The second tube plate 420 is provided with a second sealing annular groove 422, a sealing ring is arranged in the second sealing annular groove 422 to increase the sealing performance between the rear water cover 410 and the second tube plate 420, and the second mounting annular groove 423 is used for being clamped into the second sleeve 200 to ensure the stability of connection.
Referring to fig. 6 and 7, the connection tube plate assembly 500 includes two connection tube plates 510 and a connection gasket 520, wherein one of the connection tube plates 510 is connected to the rear end of the first casing 100, the other connection tube plate 510 is connected to the front end of the second casing 200, the connection gasket 520 is interposed between the two connection tube plates 510, and each of the two connection tube plates 510 is provided with a third tube hole 511 for inserting the heat exchange tube 600.
The two connecting tube plates 510 are respectively provided with a connecting ring groove 512, and the two connecting ring grooves 512 are respectively used for being clamped into the rear end of the first sleeve 100 and the front end of the second sleeve 200 to ensure the stability of connection.
In this embodiment, ten heat exchange tubes 600 are adopted, a first dividing rib 311 is arranged on the inner side of the front water cover 310, the first dividing rib 311 is located between the cooling water inlet 301 and the cooling water outlet 302, after the front water cover 310 is connected with the first tube plate 320, the ten first tube holes 321 on the first tube plate 320 are divided into two groups by the first dividing rib 311, and the two groups of first tube holes 321 correspond to the cooling water inlet 301 and the cooling water outlet 302 respectively; the connecting gasket 520 is provided with a second dividing rib 521, the second dividing rib 521 is parallel to the first dividing rib 311, the second dividing rib 521 divides ten third pipe holes 511 on the two connecting pipe plates 510 into two groups, and the two groups of third pipe holes 511 correspond to the two groups of first pipe holes 321 in position, so that ten heat exchange pipes 600 are divided into two groups for cooling water inlet and cooling water outlet, and good circulation of the cooling water is ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A duplex heat exchanger, comprising:
the cooling water cooling system comprises a first sleeve pipe (100), wherein a front sealing cover component (300) is installed at the front end of the first sleeve pipe (100), a cooling water inlet (301) and a cooling water outlet (302) are formed in the front sealing cover component (300), and an oil inlet (110) and an oil outlet (120) are respectively formed in the first sleeve pipe (100);
the rear end of the second sleeve (200) is provided with a rear cover assembly (400), a water return chamber (401) is arranged in the rear cover assembly (400), and the second sleeve (200) is provided with a water inlet (210) and a water outlet (220) respectively;
a connection pipe plate assembly (500), wherein the connection pipe plate assembly (500) is used for connecting the rear end of the first sleeve (100) and the front end of the second sleeve (200) and making the inner cavity of the first sleeve (100) and the inner cavity of the second sleeve (200) independent;
the heat exchange tubes (600) are arranged between the front cover assembly (300) and the rear cover assembly (400) and penetrate through the connecting tube plate assembly (500), at least two heat exchange tubes (600) are adopted, and the cooling water inlet (301), the water return cavity (401) and the cooling water outlet (302) are connected into a loop through the heat exchange tubes (600).
2. The duplex heat exchanger according to claim 1, wherein the front cover assembly (300) comprises a front water cover (310) and a first tube plate (320), the front water cover (310) is fixed on the first tube plate (320), the first tube plate (320) is connected with the front end of the first sleeve (100), the cooling water inlet (301) and the cooling water outlet (302) are respectively arranged on the front water cover (310), and a first tube hole (321) for inserting the heat exchange tube (600) is arranged on the first tube plate (320).
3. The twin heat exchanger according to claim 2, wherein the inside of the front water cover (310) is provided with a first dividing rib (311) between the cooling water inlet (301) and the cooling water outlet (302).
4. The double heat exchanger according to claim 2, wherein the first tube sheet (320) is provided with a first sealing annular groove (322) and a first mounting annular groove (323).
5. The double heat exchanger according to claim 1, wherein the rear cover assembly (400) comprises a rear water cover (410) and a second tube plate (420), the rear water cover (410) is fixed on the second tube plate (420), the second tube plate (420) is connected with the rear end of the second sleeve (200), the water return chamber (401) is located between the rear water cover (410) and the second tube plate (420), and a second tube hole (421) for inserting the heat exchange tube (600) is formed in the second tube plate (420).
6. The double heat exchanger according to claim 5, wherein the second tube plate (420) is provided with a second sealing annular groove (422) and a second mounting annular groove (423).
7. The double heat exchanger according to claim 1, wherein the connection tube plate assembly (500) comprises two connection tube plates (510) and a connection gasket (520), wherein one of the connection tube plates (510) is connected to the rear end of the first sleeve (100), the other of the connection tube plates (510) is connected to the front end of the second sleeve (200), the connection gasket (520) is interposed between the two connection tube plates (510), and third tube holes (511) for inserting the heat exchange tubes (600) are formed in the two connection tube plates (510).
8. The double heat exchanger according to claim 7, wherein the connecting gasket (520) is provided with second dividing ribs (521).
9. The twin heat exchanger according to claim 7, wherein a connecting annular groove (512) is provided on both of the connecting tube sheets (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203367.0U CN212620250U (en) | 2020-06-24 | 2020-06-24 | Duplex heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021203367.0U CN212620250U (en) | 2020-06-24 | 2020-06-24 | Duplex heat exchanger |
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| Publication Number | Publication Date |
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| CN212620250U true CN212620250U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021203367.0U Active CN212620250U (en) | 2020-06-24 | 2020-06-24 | Duplex heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707112A (en) * | 2020-06-24 | 2020-09-25 | 广东盈威流体控制技术股份有限公司 | Duplex heat exchanger |
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2020
- 2020-06-24 CN CN202021203367.0U patent/CN212620250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707112A (en) * | 2020-06-24 | 2020-09-25 | 广东盈威流体控制技术股份有限公司 | Duplex heat exchanger |
| CN111707112B (en) * | 2020-06-24 | 2024-07-30 | 广东盈威流体控制技术股份有限公司 | Duplex heat exchanger |
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