CN207772251U - Roller temperature control device - Google Patents
Roller temperature control device Download PDFInfo
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- CN207772251U CN207772251U CN201820170293.1U CN201820170293U CN207772251U CN 207772251 U CN207772251 U CN 207772251U CN 201820170293 U CN201820170293 U CN 201820170293U CN 207772251 U CN207772251 U CN 207772251U
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- temperature control
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Abstract
The utility model discloses a kind of roller temperature control device, belong to plastic extrusion sheet material production ancillary equipment field, solution is unable to maintain that three-roller roller technique required temperature, the technical problem not high to its roller accuracy of temperature control in the prior art, the utility model is by being arranged mutually independent external water circulation system and roller water circulation system, the circulation waterway of the two is exchanged heat by heat exchanger, realizes that the temperature of pair roller barrel is adjusted；The temperature signal that can be fed back according to temperature element by setting control mainboard, temperature element and the first valve and control mainboard, control the on/off of the first valve, and then realize automatically controlling for pair roller barrel temperature so that the temperature of roller is able to maintain that accuracy of temperature control is higher needed for its technique always.
Description
Technical field
It is the utility model is related to plastic extrusion sheet material production ancillary equipment field, more particularly to a kind of to be used for three-roll press-polishing
The roller temperature control device of machine.
Background technology
In process of production, the temperature accuracy of roller surface is not high for traditional mode of production roller temperature control device at present, usually uses
Manual adjustment roller inlet and outlet pipe ball valve controls the temperature of roll surface, influences production efficiency.The temperature-difference of roller surface is very
Greatly, the low product packet of very big temperature is influenced on product molding and does not note roller, the high product of temperature is easy roll banding, the temperature of roller surface
Precision directly affects the molding of product.
The Chinese utility model patent of Publication No. CN204278495U discloses " a kind of for the efficient of three-roller calendar
Damping roller temperature control device ", the device include external water circulation system and roller cooling water circulation system, pass through external water cyclic system
The water progress heat exchange of the water of system outflow and roller cooling water circulation system outflow, to achieve the purpose that cool down to roller, but this
The structure of sample only plays the role of cooling down to each roller, cannot achieve the temperature needed for automatic and accurate maintenance roller technique,
Accuracy of temperature control is not high.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model, which is to provide one kind, can automatically control roll surface technique institute
Need the higher roller temperature control device of temperature, accuracy of temperature control.
In order to realize the purpose of above-mentioned utility model, the utility model adopts the following technical solution：
A kind of roller temperature control device, including：
External water circulation system includes external water source, the company with water inlet end and water outlet and for providing cooling water
The first valve for being connected on the first circulation water route between the water inlet end and water outlet, being arranged on the first circulation water route；
Roller water circulation system, the roller include with a water inlet and a water outlet, the roller water circulation system
Be connected to the second circulation water route between the inlet and outlet, be arranged on the second circulation water route and with it is described go out
The mouth of a river connected water circulating pump, the electric heater that is arranged on the second circulation water route and is connected with the water inlet, it is described
Heat exchanger is provided between first circulation water route and second circulation water route jointly, the heat exchanger is located at the electric heater
Between the water inlet；
Temperature control system, including a control mainboard, be arranged inside the roller and connect with the control mainboard signal
Temperature element, the valve control element for being arranged on the first circulation water route and being connect with the control mainboard signal, the valve
Control element is connect with first valve signal.
In above-mentioned technical proposal, it is preferred that further include roller water charging system, the roller water charging system includes one for giving
The water tank of the roller inside moisturizing, the pressure measurement for connecting with the control mainboard signal and be used to measure the roller internal pressure
Element is connected with water pipe, small pump is provided on the water pipe between the water tank and the water inlet of the roller
With the second valve, the control mainboard is connect with the small pump and the second valve signal respectively.
In above-mentioned technical proposal, it is preferred that the load cell is electro connecting pressure gauge.
In above-mentioned technical proposal, it is preferred that first and second valve is Pneumatic rotary valve.
In above-mentioned technical proposal, it is preferred that be provided with check-valves on the water pipe.
In above-mentioned technical proposal, it is preferred that the temperature element is thermocouple, and the valve control element is solenoid valve.
In above-mentioned technical proposal, it is preferred that be provided between the heat exchanger and the water inlet described for being discharged
The safety valve of roller internal steam.
In above-mentioned technical proposal, it is preferred that be arranged in parallel Manual pressure relief valve on the safety valve.
In above-mentioned technical proposal, it is preferred that be connected with filter between the water outlet of the roller and the water circulating pump.
The utility model obtains following advantageous effect compared with prior art：The utility model is mutually independent by being arranged
External water circulation system and roller water circulation system, the circulation waterway of the two are exchanged heat by heat exchanger, realize pair roller barrel
Temperature adjust；It can be fed back according to temperature element by setting control mainboard, temperature element and the first valve and control mainboard
Temperature signal, control the on/off of the first valve, and then realize that pair roller barrel temperature automatically controls so that the temperature of roller is always
It is able to maintain that accuracy of temperature control is higher needed for its technique.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model roller temperature control device；
Wherein：100, roller temperature control device；1, external water circulation system；11, external water source；111, water inlet end；112, go out
Water end (W.E.)；12, first circulation water route；13, the first valve；2, roller water circulation system；21, second circulation water route；22, water circulating pump；
23, electric heater；24, heat exchanger；25, safety valve；26, Manual pressure relief valve；27, filter；31, valve control element；4, roller
Cylinder water charging system；41, water tank；42, load cell；43, water pipe；44, small pump；45, the second valve；46, check-valves.
Specific implementation mode
For technology contents, construction feature, institute's reached purpose and effect of utility model is described in detail, below in conjunction with implementation
Example simultaneously coordinates attached drawing to be described in detail.Wherein, being controlled up and down with roller temperature shown in attached drawing 1 described in the present embodiment fills
That sets is corresponding up and down.
The roller temperature control device of the utility model is mainly used for distinguishing temperature control to three rollers of three-roller, maintains it always
Technique required temperature improves its accuracy of temperature control.
With reference to the accompanying drawings shown in 1, which includes external water circulation system 1, roller water circulation system 2, temperature
Control system and roller water charging system 4.Three rollers of three-roller are respectively upper roller, central roll and lower roll, these three rollers have
There are the inlet and outlet of left and right settings, each roller to be equipped with a set of independent roller water circulation system 2, three rollers share
A set of roller water charging system and a set of external water circulation system can also be certainly that each roller is equipped in other embodiments
A set of independent external water circulation system and a set of independent roller water charging system.External water circulation system 1 includes an external water
Source 11 is used to provide the cooling water of heat exchange, which has a water inlet end 111 and a water outlet 112, is intaking
It is connected with first circulation water route 12 between end 111 and water outlet 112, is provided on first circulation water route 12 and is followed for controlling first
First valve 13 of 12 on/off of ring water route.Wherein, the first valve 13 is preferably Pneumatic rotary valve.Often set roller water circulation system 2 includes
It is connected to the second circulation water route 21 between each roller inlet and outlet, is provided on second circulation water route 21 for carrying
For taking out hydrodynamic water circulating pump 22, it is being connected between water circulating pump 21 and roller water inlet on second circulation water route 21
The electric heater 23 of water supply heating.Wherein, in order to enable water and roller water circulation system that external water circulation system 1 flows out
The water of 2 outflows can carry out heat exchange, be provided with heat exchanger 24 between the first and second circulation waterway, and in order to ensure from
The water extracted out inside roller carries out heat exchange, heat exchanger 24 with the water in external water circulation system 1 again after first passing through heating
It is connected between electric heater 23 and roller water inlet.Due to entering the water inside electric heater 23 after heating, there is portion
Divide water evaporation at the vapor of high temperature and pressure, in order to exclude this part vapor, between heat exchanger 24 and roller water inlet
It is provided with safety valve 25, certainly, the damage of safety valve 25 in order to avoid being likely to occur increases safety valve 25 so that the case where failure
Reliability, Manual pressure relief valve 26 has been arranged in parallel on safety valve 25, when safety valve 25 can not work normally, adjustable hand
Pressure-relief valve 26 is moved this part high temperature and high pressure gas is discharged, ensures normal operation and the roller temperature adjustment operation in second circulation water route.
In order to ensure the normal operation of water circulating pump 22 so that the water entered inside water circulating pump 22 will not be mixed with impurity, in roller
Filter 27 is connected between water outlet and water circulating pump 22, filter 27 primarily served the effect of drainage.In three rollers
For the water in portion both from the roller water charging system 4 of an entirety, which includes a water tank 41, water tank 41 with it is each
It is connected with water pipe 43 between the water inlet of a roller, is provided on water pipe 43 and mends hydrodynamic small pump for providing
44 and the second valve 45 for controlling 43 on/off of water pipe.Wherein, the second valve 45 is preferably Pneumatic rotary valve.In order to avoid
The case where adverse current is generated during water tank 5 gives each roller moisturizing, is provided with check-valves 46 on water pipe 43.Temperature control system
System includes a control mainboard, the temperature element that is arranged inside each roller and is connect with control mainboard signal, setting is each
The load cell 42 that connect inside roller and with control mainboard signal, setting on first circulation water route and with control mainboard signal
The valve control element 31 of connection.Wherein, temperature element is preferably thermocouple；Load cell 42 is preferably electro connecting pressure gauge；Valve
Control element 31 is connect with 13 signal of the first valve on first circulation water route 12, is used to control the first valve 13 and then is controlled first
The on/off of circulation waterway 12, and valve control element 31 is preferably solenoid valve.
The operation principle of the roller temperature control device 100 is as follows：Small pump 44 draws water out of water tank 41, and water is filled into each
Inside roller, load cell 42 measures each roller internal pressure, after roller internal pressure reaches setting value, load cell
The pressure value measured is fed back to control mainboard by 42 by signal, and control mainboard controls small pump 44 and stops moisturizing, and second
Valve 45 disconnects.After filling water inside roller, roller water circulation system 2 and external water circulation system 1 are started to work respectively.Specifically
, water circulating pump 22 open, by the water inside roller from water outlet extract out, and successively pass through filter 27, water circulating pump 22,
Electric heater 23 is entered back into be internally heated；At the same time, temperature element measures roller internal temperature and sends out temperature signal
It send to control mainboard, control mainboard control valve control element 31 opens work, and then first on control first circulation water route 12
Valve 13 is opened, and the cooling water that the water flowed out in roller is flowed out with external water circulation system 1 exchanges heat inside heat exchanger 24,
After heat exchange, the water in second circulation water route enters from the water inlet of roller inside roller again, with adjusting roller temperature, always
The technique required temperature for maintaining roller, improves its accuracy of temperature control.Wherein, the temperature of these three rollers can respectively obtain accurate tune
Section, maintains its technique required temperature, accuracy of temperature control higher.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to equivalent change or modification made by the spirit of the present invention, should be covered within the scope of the utility model.
Claims (9)
1. a kind of roller temperature control device, which is characterized in that including：
External water circulation system（1）, including one carry water inlet end（111）The water outlet and（112）And for providing the outer of cooling water
Portion water source（11）, be connected to the water inlet end（111）The water outlet and（112）Between first circulation water route（12）, setting institute
State first circulation water route（12）On the first valve（13）；
Roller water circulation system（2）, the roller is with a water inlet and a water outlet, the roller water circulation system（2）Packet
Include the second circulation water route between being connected to the inlet and outlet（21）, be arranged in the second circulation water route（21）On
And the water circulating pump being connected with the water outlet（22）, be arranged in the second circulation water route（21）It is upper and with the water inlet phase
Electric heater even（23）, the first circulation water route（12）With second circulation water route（21）Between be provided with heat exchanger jointly
（24）, the heat exchanger（24）Positioned at the electric heater（23）Between the water inlet；
Temperature control system, including a control mainboard, the thermometric that is arranged inside the roller and is connect with the control mainboard signal
Element is arranged in the first circulation water route（12）Valve control element that is upper and being connect with the control mainboard signal（31）, institute
State valve control element（31）With first valve（13）Signal connects.
2. roller temperature control device according to claim 1, it is characterised in that：It further include roller water charging system（4）, the roller
Cylinder water charging system（4）Including one for the water tank to moisturizing inside the roller（41）, connect with the control mainboard signal and
Load cell for measuring the roller internal pressure（42）, the water tank（41）It is connected between the water inlet of the roller
There is water pipe（43）, the water pipe（43）On be provided with small pump（44）With the second valve（45）, the control mainboard point
Not with the small pump（44）With the second valve（45）Signal connects.
3. roller temperature control device according to claim 2, it is characterised in that：The load cell（42）For electric contact pressure
Table.
4. roller temperature control device according to claim 2, it is characterised in that：First and second valve is Pneumatic rotary valve.
5. roller temperature control device according to claim 2, it is characterised in that：The water pipe（43）On be provided with non-return
Valve（46）.
6. roller temperature control device according to claim 1, it is characterised in that：The temperature element is thermocouple, the valve
Control element（31）For solenoid valve.
7. roller temperature control device according to claim 1, it is characterised in that：The heat exchanger（24）With the water inlet
Between be provided with safety valve for the roller internal steam to be discharged（25）.
8. roller temperature control device according to claim 7, it is characterised in that：The safety valve（25）On be arranged in parallel hand
Dynamic pressure-relief valve（26）.
9. roller temperature control device according to claim 1, it is characterised in that：The water outlet of the roller and the recirculated water
Pump（22）Between be connected with filter（27）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170293.1U CN207772251U (en) | 2018-01-31 | 2018-01-31 | Roller temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170293.1U CN207772251U (en) | 2018-01-31 | 2018-01-31 | Roller temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772251U true CN207772251U (en) | 2018-08-28 |
Family
ID=63212051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820170293.1U Active CN207772251U (en) | 2018-01-31 | 2018-01-31 | Roller temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207772251U (en) |
-
2018
- 2018-01-31 CN CN201820170293.1U patent/CN207772251U/en active Active
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