CN207554466U - The hydraulic oil cooling device of hydraulic press - Google Patents
The hydraulic oil cooling device of hydraulic press Download PDFInfo
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- CN207554466U CN207554466U CN201721641776.7U CN201721641776U CN207554466U CN 207554466 U CN207554466 U CN 207554466U CN 201721641776 U CN201721641776 U CN 201721641776U CN 207554466 U CN207554466 U CN 207554466U
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- oil
- pipe
- cooling water
- water tank
- heat exchange
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Abstract
The utility model discloses a kind of hydraulic oil cooling devices of hydraulic press, filter is equipped between oil return pipe and oil inlet pipe, it is parallel in cooling water tank that more heat exchange oil pipes are installed, the left end of every heat exchange oil pipe is connect after being connected by vertical pipeline with oil inlet pipe, the right end of every heat exchange oil pipe is connect after being connected by vertical pipeline with flowline, one end that flowline stretches out cooling water tank is connect with three-way pipe, the Single port of three-way pipe is connect by pipeline with petrol station, and the another port of three-way pipe is connect by return duct with oil inlet pipe；The inner wall of flowline is equipped with temperature sensor, pipeline between three-way pipe and petrol station is equipped with solenoid valve, temperature sensor is electrically connected with the solenoid valve by microcontroller, and return duct is equipped with reflux pump, and temperature sensor is electrically connected by pump switch controller with the switch of reflux pump；The utility model is simple in structure, extends the contact area of residence time of the cold water in cooling water tank, increase heat exchange oil pipe and cold water, improves cooling efficiency.
Description
Technical field
The utility model belongs to technical field of hydraulic mechanical equipment, is related to a kind of hydraulic oil cooling device of hydraulic press.
Background technology
The hydraulic oil of hydraulic press is easily heated at work so that hydraulic oil is thinning, and viscosity reduces, and density reduces, greatly
Its hydraulic coupling is influenced, so as to cause hydraulic press job insecurity, shortens the working life of hydraulic press；Therefore need to hydraulic oil into
Row cooling, but existing hydraulic oil cooling device mechanism is complicated, residence time of the cold water in cooling water tank is short, and heat exchange is not filled
Point, cooling efficiency is low.
Utility model content
In order to achieve the above object, the utility model provides a kind of hydraulic oil cooling device of hydraulic press, simple in structure, prolongs
The contact area of residence time of the long cold water in cooling water tank, increase heat exchange oil pipe and cold water, solves liquid in the prior art
The problem of pressure oil cooling device cooling efficiency is low.
The utility model is the technical scheme adopted is that a kind of hydraulic oil cooling device of hydraulic press, oil return pipe and oil inlet
One end connection of pipe, is equipped with filter, the other end of oil inlet pipe is stretched into cooling water tank, cooling water between oil return pipe and oil inlet pipe
In case it is parallel be equipped with more heat exchange oil pipes, every heat exchange oil pipe left end connected by vertical pipeline after connect with oil inlet pipe,
Every heat exchange oil pipe right end connected by vertical pipeline after connect with flowline, lowermost end heat exchange oil pipe height less than into
The setting height of oil pipe, flowline, the heat exchange oil pipe of lowermost end and the vertical pipeline composition U-tube of left and right ends, every heat exchange
The even tube wall of oil pipe is equipped with multiple heat bulges, and the surface of heat bulge is arc；Flowline stretches out one end of cooling water tank
Connect with three-way pipe, the Single port of three-way pipe is connect by pipeline with petrol station, the another port of three-way pipe by return duct with into
Oil pipe connects；The inner wall of flowline is equipped with temperature sensor, and the pipeline between three-way pipe and petrol station is equipped with solenoid valve, and temperature passes
Sensor is electrically connected with the solenoid valve by microcontroller, and return duct is equipped with reflux pump, and temperature sensor is controlled by pump switch
Device is electrically connected with the switch of reflux pump；On return duct, check valve is equipped at oil inlet pipe；The cooling water tank is tubular knot
Structure, the bottom of cooling water tank, close to oil inlet pipe one end be equipped with water inlet, the top of cooling water tank, close to flowline one end
Equipped with water outlet, the inner wall of cooling water tank is equipped with spiral diversion trench, and diversion trench is connected with water inlet, the bottom of cooling water tank
Be uniformly provided with multiple baffles, baffle is tilted to water inlet, and lower end and the cooling water tank of baffle are detachably connected, the upper end of baffle to
Lower bending.
The utility model is further characterized in that, further, the model XZJ2-JCQ- of the pump switch controller
500。
Further, the microcontroller uses the microcontroller of model C8051F020.
Further, the temperature sensor uses DS18B20 digital temperature sensors.
Further, the angle of the bottom of the baffle and cooling water tank is 45-50 °.
The beneficial effects of the utility model are：Cold water is injected from water inlet in the utility model, along diversion trench in cooling water
It is flowed in case, under the action of heat bulge, generates turbulent flow, extend residence time of the cold water in cooling water tank, improved heat and hand over
Change efficiency；Heat bulge increases the contact area of heat exchange oil pipe and cold water simultaneously, further improves heat exchanger effectiveness；Water flows through
When crossing baffle, turbulent flow locally occurs, extends residence time of the cold water in cooling water tank, improves heat exchanger effectiveness；It cools down simultaneously
Sundries in water tank falls to the bottom of cooling water tank under the effect of gravity, and baffle can prevent settled sundries general again
It rises, reduces influence of the sundries to heat exchanger effectiveness.
The heat exchange oil pipe of lowermost end and the vertical pipeline composition U-tube of left and right ends, the height of the heat exchange oil pipe of lowermost end
Less than the setting height of oil inlet pipe, flowline, the oil that uses of last time is reserved in U-tube, oil temperature is relatively low under environmental activity, with this
The secondary high temperature oil mixing most started, can quickly reduce oil temperature and reach requirement, solve incipient high temperature oil and cooling down afterwards
The problem of residence time in water tank is short, and heat exchange is insufficient；The utility model is simple in structure, good cooling results.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment.
In figure, 1. oil return pipes, 2. filters, 3. oil inlet pipes, 4. cooling water tanks, 5. diversion trenches, 6. water inlets, 7. heat exchange oil
Pipe, 8. heat bulges, 9. water outlets, 10. flowlines, 11. three-way pipes, 12. return ducts, 13. reflux pumps, 14. check valves, 15.
Temperature sensor, 16. solenoid valves, 17. baffles, 18. petrol stations.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The structure of the utility model embodiment, as shown in Figure 1, oil return pipe 1 is connect with one end of oil inlet pipe 3, oil return pipe 1 with
Filter 2 is equipped between oil inlet pipe 3, the other end of oil inlet pipe 3 stretched into cooling water tank 4, in cooling water tank 4 it is parallel be equipped with it is more
Root exchange heat oil pipe 7, every heat exchange oil pipe 7 left end connected by vertical pipeline after connect with oil inlet pipe 3, every heat exchange oil pipe 7
Right end connected by vertical pipeline after connect with flowline 10, the height of the heat exchange oil pipe 7 of lowermost end less than oil inlet pipe 3, go out
The setting height of oil pipe 10, the heat exchange oil pipe 7 of lowermost end and the vertical pipeline composition U-tube of left and right ends, every heat exchange oil pipe 7
Even tube wall be equipped with multiple heat bulges 8, the surface of heat bulge 8 is arc；Flowline 10 stretches out one end of cooling water tank 4
It is connect with three-way pipe 11, the Single port of three-way pipe 11 is connect by pipeline with petrol station 18, and the another port of three-way pipe 11 is by returning
Flow tube 12 is connect with oil inlet pipe 3；The inner wall of flowline 10 is equipped with temperature sensor 15, the pipeline between three-way pipe 11 and petrol station 18
Solenoid valve 16 is equipped with, temperature sensor 15 is electrically connected by microcontroller with solenoid valve 16, and return duct 12 is equipped with reflux pump
13, temperature sensor 15 is electrically connected by pump switch controller with the switch of reflux pump 13；On return duct 12, close to oil inlet pipe
Check valve 14 is equipped at 3, for preventing the oil stream in oil inlet pipe 3 to return duct 12.
Wherein, cooling water tank 4 is tubular structure, and the inner wall of cooling water tank 4 is equipped with spiral diversion trench 5, cooling water tank 4
Bottom, close to one end of oil inlet pipe 3 be equipped with water inlet 6, water inlet 6 connects with diversion trench 5, the top of cooling water tank 4, close
One end of flowline 10 is equipped with water outlet 9, and the bottom of cooling water tank 4 is uniformly provided with multiple baffles 17, and baffle 17 inclines to water inlet 6
Tiltedly, baffle 17 and the angle of the bottom of cooling water tank 4 are 45-50 °, and lower end and the cooling water tank 4 of baffle 17 are detachably connected, gear
The upper end of plate 17 is bent downwardly.
The model XZJ2-JCQ-500 of pump switch controller, microcontroller use the monolithic of model C8051F020
Machine, the speed of service are fast；Temperature sensor 15 uses DS18B20 digital temperature sensors, small, strong antijamming capability.
The operation principle of the utility model embodiment：High temperature oil after cylinder efficient flows into oil return pipe 1, by 2 mistake of filter
Heat exchange occurs for filter, the cold water inputted in heat exchange oil pipe 7, with cooling water tank 4 by oil inlet pipe 3, and the bottom of cooling water tank 4 is leaned on
One end of nearly oil inlet pipe 3 is equipped with water inlet 6, and the top of cooling water tank 4 is equipped with water outlet 9, heat exchange close to one end of flowline 10
In oil pipe 7 in oily flow direction and cooling water tank 4 flow direction of water on the contrary, enhancing convection current；Cold water is along diversion trench 5 in cooling water tank 4
Flowing under the action of heat bulge 8, generates turbulent flow, extends residence time of the cold water in cooling water tank 4, improves heat exchange
Efficiency；Heat bulge 8 increases the contact area of heat exchange oil pipe 7 and cold water simultaneously, further improves heat exchanger effectiveness；Water flows through
When crossing baffle 17, turbulent flow locally occurs, extends residence time of the cold water in cooling water tank 4, improves heat exchanger effectiveness；It is cold simultaneously
But the sundries in water tank 4 falls to the bottom of cooling water tank 4 under the effect of gravity, and baffle 17 can prevent settled sundries again
It is secondary to rise, reduce influence of the sundries to heat exchanger effectiveness；The heat exchange oil pipe 7 of lowermost end and the vertical pipeline composition U of left and right ends
Type pipe, less than the setting height of oil inlet pipe 3, flowline 10, reserving last time in U-tube makes for the height of the heat exchange oil pipe 7 of lowermost end
Oil, oil temperature is relatively low under environmental activity, is mixed with the high temperature oil that this most starts, and can quickly reduce oil temperature afterwards and reach use
It is required that avoid the problem of residence time of the incipient high temperature oil in cooling water tank 4 is short, and heat exchange is insufficient；Temperature reduces
Oil flowed out through flowline 10, the oil temperature signal detected is respectively sent to microcontroller and pump switch by temperature sensor 15
Controller, when oil temperature is less than requirement, microcontroller starts solenoid valve 16, while pump switch controller closing volume pumps
13, low-temperature oil is used through pipeline to petrol station 18 for oil cylinder；When oil temperature is higher than requirement, microcontroller closes electromagnetism
Valve 16, while pump switch controller starts reflux pump 13, oil flows into oil inlet pipe 3 through return duct 12, continues heat exchange drop
Temperature.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or equipment institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of element that also there are other identical elements.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principles of the present invention, are all contained in this reality
With in novel protection domain.
Claims (5)
1. a kind of hydraulic oil cooling device of hydraulic press, which is characterized in that oil return pipe (1) is connect with one end of oil inlet pipe (3), is returned
Filter (2) is equipped between oil pipe (1) and oil inlet pipe (3), the other end of oil inlet pipe (3) is stretched into cooling water tank (4), cooling water
In case (4) it is parallel be equipped with more heat exchange oil pipes (7), every heat exchange oil pipe (7) left end connected by vertical pipeline after with into
Oil pipe (3) connect, every heat exchange oil pipe (7) right end connected by vertical pipeline after connect with flowline (10), lowermost end
The height of heat exchange oil pipe (7) is less than the setting height of oil inlet pipe (3), flowline (10), heat exchange oil pipe (7) and the left and right of lowermost end
The vertical pipeline composition U-tube at both ends, the even tube wall of every heat exchange oil pipe (7) are equipped with multiple heat bulges (8), heat bulge
(8) surface is arc；One end that flowline (10) stretches out cooling water tank (4) is connect with three-way pipe (11), three-way pipe (11)
Single port is connect by pipeline with petrol station (18), and the another port of three-way pipe (11) is connected by return duct (12) and oil inlet pipe (3)
It connects；The inner wall of flowline (10) is equipped with temperature sensor (15), and the pipeline between three-way pipe (11) and petrol station (18) is equipped with electricity
Magnet valve (16), temperature sensor (15) are electrically connected by microcontroller with solenoid valve (16), and return duct (12) is equipped with reflux pump
(13), temperature sensor (15) is electrically connected by pump switch controller with the switch of reflux pump (13)；On return duct (12), lean on
Check valve (14) is equipped at nearly oil inlet pipe (3)；The cooling water tank (4) is tubular structure, the bottom of cooling water tank (4), close
One end of oil inlet pipe (3) is equipped with water inlet (6), and the top of cooling water tank (4) is equipped with water outlet close to one end of flowline (10)
(9), the inner wall of cooling water tank (4) is equipped with spiral diversion trench (5), and diversion trench (5) is connected with water inlet (6), cooling water tank
(4) bottom is uniformly provided with multiple baffles (17), and baffle (17) is tilted to water inlet (6), the lower end of baffle (17) and cooling water
Case (4) is detachably connected, and the upper end of baffle (17) is bent downwardly.
A kind of 2. hydraulic oil cooling device of hydraulic press according to claim 1, which is characterized in that the pump switch control
The model XZJ2-JCQ-500 of device processed.
3. the hydraulic oil cooling device of a kind of hydraulic press according to claim 1, which is characterized in that the microcontroller is adopted
With the microcontroller of model C8051F020.
A kind of 4. hydraulic oil cooling device of hydraulic press according to claim 1, which is characterized in that the temperature sensor
(15) using DS18B20 digital temperature sensors.
5. a kind of hydraulic oil cooling device of hydraulic press according to claim 1, which is characterized in that the baffle (17) with
The angle of the bottom of cooling water tank (4) is 45-50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641776.7U CN207554466U (en) | 2017-11-30 | 2017-11-30 | The hydraulic oil cooling device of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641776.7U CN207554466U (en) | 2017-11-30 | 2017-11-30 | The hydraulic oil cooling device of hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554466U true CN207554466U (en) | 2018-06-29 |
Family
ID=62678502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641776.7U Active CN207554466U (en) | 2017-11-30 | 2017-11-30 | The hydraulic oil cooling device of hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869496A (en) * | 2017-11-30 | 2018-04-03 | 宝鸡市金盛源钛业有限公司 | The hydraulic oil cooling device of hydraulic press |
-
2017
- 2017-11-30 CN CN201721641776.7U patent/CN207554466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869496A (en) * | 2017-11-30 | 2018-04-03 | 宝鸡市金盛源钛业有限公司 | The hydraulic oil cooling device of hydraulic press |
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