CN208020587U - A kind of powdery paints tablet press machine nip drum Anti-adhering device - Google Patents
A kind of powdery paints tablet press machine nip drum Anti-adhering device Download PDFInfo
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- CN208020587U CN208020587U CN201820149118.4U CN201820149118U CN208020587U CN 208020587 U CN208020587 U CN 208020587U CN 201820149118 U CN201820149118 U CN 201820149118U CN 208020587 U CN208020587 U CN 208020587U
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- pipe
- pressure roller
- hollow pressure
- coolant
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Abstract
The utility model is related to a kind of powdery paints tablet press machine nip drum Anti-adhering devices, hollow pressure roller is spliced by half roller of two mirror symmetries, it is fixed by clip between two and half rollers, heat exchanger tube is equipped in hollow pressure roller, heat exchange plate includes integrally formed first pipe, second pipe and third pipeline, second pipe helically plate-like, and in the inner cavity of hollow pressure roller, first pipe and third pipeline are rotatably connected on hollow pressure roller both ends respectively, first pipe and third pipeline are by hollow Platen support, and water inlet pipe and outlet pipe have been respectively communicated with it, water inlet pipe and outlet pipe are also communicated with tank for coolant, coolant liquid is loaded in tank for coolant, water inlet pipe, heat exchanger tube, outlet pipe and tank for coolant constitute coolant liquid circulation loop, it is connected with circulating pump on the circulation loop.The utility model can be such that hollow sheeting roll surface temperature maintains in stable range, it is therefore prevented that material causes material to twine the generation of rolling phenomenon because there is viscous rolling, ensure that the normal operation of production line.
Description
Technical field
The utility model is related to tablet press machine field more particularly to a kind of powdery paints tablet press machine nip drum Anti-adhering devices.
Background technology
In powdery paints production link, there are one tablettings to cool down link.This process is to squeeze out melting material in extruder
Mouthful, material can pass through the cooled tabletting of tablet press machine, particle sheet semi-finished product be formed, to facilitate the crushing grinding in later stage.Tabletting
The nip drum of machine is that there are two the circle rollings of the steel in built-in water route to form, in process of production cooling water circulation, to make material cool down
In flakes.Since the production time is long in this link, the continuous blanking of high-temperature material will produce roller heated or coolant water temperature for a long time
Control the factors such as stability is poor and the viscosity of different material influences, it may appear that the viscous rolling of material causes material to twine rolling phenomenon, influences
Normally production and tablet press machine are damaged and material waste phenomenon assembly line.
Utility model content
The utility model is exactly in view of the deficienciess of the prior art, to provide a kind of powdery paints tablet press machine nip drum anti-sticking
Even device.
To solve the above problems, technical solution adopted in the utility model is as follows：
A kind of powdery paints tablet press machine nip drum Anti-adhering device includes two hollow pressures below extruder discharging mouth
Roller, the hollow pressure roller by driving device drive rotate, two hollow pressure roller rotation directions on the contrary, and axis be mutually parallel, institute
It states hollow pressure roller to be spliced by half roller of two mirror symmetries, be fixed by clip between two and half rollers, the hollow pressure roller
Interior to be equipped with heat exchanger tube, the heat exchange plate includes integrally formed first pipe, second pipe and third pipeline, the second pipe
Helically plate-like, and in the inner cavity of the hollow pressure roller, the first pipe and third pipeline are rotatably connected on institute respectively
Hollow pressure roller both ends, the first pipe and third pipeline are stated by the hollow Platen support, and be respectively communicated with water inlet pipe and
Outlet pipe, the water inlet pipe and outlet pipe are also communicated with tank for coolant, and coolant liquid, the water inlet are loaded in the tank for coolant
Pipe, heat exchanger tube, outlet pipe and tank for coolant constitute coolant liquid circulation loop, and circulating pump is connected on the circulation loop.
Preferably, liquid nitrogen vaporizer is connected in the tank for coolant, the liquid nitrogen vaporizer is connected by the first liquid nitrogen pipe
It is connected with liquid nitrogen storage tank, the first control valve is connected in first liquid nitrogen pipe, exhaust pipe is also associated on the liquid nitrogen vaporizer,
The outlet of the exhaust pipe is located at outside the tank for coolant.
Preferably, which further includes two material scraping plates respectively close to the hollow pressure roller setting.
Preferably, which further includes two material scraping plates respectively close to the hollow pressure roller setting, the material scraping plate to
On extend to form pipe clamp, the second liquid nitrogen pipe is installed on the pipe clamp, second liquid nitrogen pipe is connected to the liquid nitrogen storage tank, institute
It states and is connected with the second control valve in the second liquid nitrogen pipe.
Preferably, temperature sensor is equipped in the tank for coolant, first control valve and the second control valve are electricity
Valve is controlled, the temperature sensor is electrically connected with controller input terminal, and first control valve and the second control valve are and controller
Output end is electrically connected.
Preferably, it is linked together by the structure of protrusion and card slot between two and half rollers of the hollow pressure roller.
Preferably, the controller is preset with the first temperature threshold, second temperature threshold value, coolant liquid temperature less than the
When one temperature threshold, controller controls the first control valve and the second control valve and closes, coolant liquid temperature between the first temperature
When between threshold value and second temperature threshold value, controller controls the first control valve and opens, and the second control valve is closed, in coolant temperature
When more than second temperature threshold value, controller controls the first control valve and the second control valve is opened.
Compared with prior art, the implementation result of the utility model is as follows：
The material of melting is fallen by the discharge port of extruder in gap between two hollow pressure rollers, due to hollow pressure roller
Interior to be equipped with heat exchanger tube, material understands cooled and solidified when by hollow pressure roller and is pressed into sheet.By constantly being recycled in heat exchanger tube
The cooling water of flowing can hollow pressure roller carry out continue heat dissipation, prevent hollow sheeting roll surface temperature mistake in long-time tableting processes
Height ensure that the normal operation of production line to prevent material to cause material to twine the generation of rolling phenomenon because there is viscous rolling；By
It is rotatably connected in hollow pressure roller in heat exchanger tube, when driving device drives hollow pressure roller to be rotated, heat exchanger tube is relatively hollow
Pressure roller is static, this, which allows for coolant liquid, to apply resistance to hollow pressure roller in the rotation process of hollow pressure roller, and driving is hollow
The required power of pressure roller is effectively reduced, energy saving to contribute to；Hollow pressure roller is spliced by two and half rollers, heat exchanger tube
Enhanced convenience is dismounted, the maintenance difficulty of heat exchanger tube is reduced；The both ends of heat exchanger tube are rotatably connected in hollow pressure roller, and by sky
Heart Platen support, this design reduces the frictional force between heat exchanger tube and hollow pressure roller, and enables hollow pressure roller steady
Carry out rotate；Helically disk turns at the middle part of heat exchanger tube, extends flowing time of the coolant liquid in hollow pressure roller, improves cold
But the heat exchange efficiency of liquid and hollow pressure roller, and keep hollow roller temperature distribution more uniform, it ensure that the product matter after tabletting
Amount.
Description of the drawings
Fig. 1 be the utility model proposes powdery paints tablet press machine nip drum Anti-adhering device structural schematic diagram.
Fig. 2 makes the principles of the present invention schematic diagram.
Specific implementation mode
Illustrate the content of the utility model below in conjunction with specific embodiments.
As shown in Fig. 1~2, Fig. 1 be the utility model proposes a kind of powdery paints tablet press machine nip drum Anti-adhering device
Structural schematic diagram；Fig. 2 makes the principles of the present invention schematic diagram.
Referring to Figures 1 and 2, the utility model proposes a kind of powdery paints tablet press machine nip drum Anti-adhering device, including position
Two hollow pressure rollers 1 below 14 discharge port of extruder, the hollow pressure roller 1 are driven by driving device and are rotated, and two hollow
1 rotation direction of pressure roller on the contrary, and axis be mutually parallel, the hollow pressure roller 1 is spliced by half roller of two mirror symmetries, two
It is fixed by clip between a half roller, heat exchanger tube is equipped in the hollow pressure roller 1, the heat exchange plate includes integrally formed first
Pipeline 3, second pipe 2 and third pipeline 4, the helically plate-like of the second pipe 2, and positioned at the inner cavity of the hollow pressure roller 1
In, the first pipe 3 and third pipeline 4 are rotatably connected on 1 both ends of hollow pressure roller, the first pipe 3 and respectively
Three pipelines 4 are supported by the hollow pressure roller 1, and have been respectively communicated with water inlet pipe and outlet pipe, and the water inlet pipe and outlet pipe also connect
It is connected with tank for coolant 6, coolant liquid, the water inlet pipe, heat exchanger tube, outlet pipe and coolant liquid are loaded in the tank for coolant 6
Case 6 constitutes coolant liquid circulation loop, and circulating pump 5 is connected on the circulation loop.
The material of melting is fallen by the discharge port of extruder 14 in gap between two hollow pressure rollers 1, due to hollow
Heat exchanger tube is equipped in pressure roller 1, material understands cooled and solidified when by hollow pressure roller 1 and is pressed into sheet.By in heat exchanger tube not
The disconnected cooling water circulated can hollow pressure roller 1 carry out continuing heat dissipation, prevent 1 surface of hollow pressure roller in long-time tableting processes
Temperature is excessively high, to prevent material to cause material to twine the generation of rolling phenomenon because there is viscous rolling, ensure that the normal of production line
Operation.
Since heat exchanger tube is rotatably connected in hollow pressure roller 1, when driving device drives hollow pressure roller 1 to be rotated, change
The relatively hollow pressure roller 1 of heat pipe is static, this, which allows for coolant liquid, to apply hollow pressure roller 1 in the rotation process of hollow pressure roller 1
Add resistance, 1 required power of hollow pressure roller is driven to be effectively reduced, it is energy saving to contribute to.
Hollow pressure roller 1 is spliced by two and half rollers, the dismounting enhanced convenience of heat exchanger tube.
Reduce the maintenance difficulty of heat exchanger tube；The both ends of heat exchanger tube are rotatably connected in hollow pressure roller 1, and by hollow pressure roller
1 support, this design reduce frictional force between heat exchanger tube and hollow pressure roller 1, and enable hollow pressure roller 1 smoothly into
Row rotation.
Helically disk turns at the middle part of heat exchanger tube, extends flowing time of the coolant liquid in hollow pressure roller 1, improves cooling
The heat exchange efficiency of liquid and hollow pressure roller 1, and keep 1 Temperature Distribution of hollow pressure roller more uniform, it ensure that the product matter after tabletting
Amount.
To prevent hollow pressure roller 1 in rotation process, axial displacement occurs for two and half rollers, to ensure that the pressure to material
Piece effect is connected to one between two and half rollers of the hollow pressure roller 1 in the embodiment having by the structure of protrusion and card slot
It rises.
In the embodiment having, liquid nitrogen vaporizer 7 is connected in the tank for coolant 6, the liquid nitrogen vaporizer 7 passes through
One liquid nitrogen pipe 9 is communicated with liquid nitrogen storage tank 8, and the first control valve 10, the liquid nitrogen vaporizer 7 are connected in first liquid nitrogen pipe 9
On be also associated with exhaust pipe, the outlet of the exhaust pipe is located at outside the tank for coolant 6.
With the lasting progress of tableting processes, the temperature of coolant liquid constantly increases, gradual to the cooling effect of hollow pressure roller 1
Weaken.By opening the first control valve 10, the liquid nitrogen in liquefied ammonia storage pipe can be made to flow into liquid nitrogen vaporizer 7, gas is converted into liquid nitrogen
During state, liquid nitrogen vaporizer 7 absorbs a large amount of heat, causes the temperature of coolant liquid to reduce, to ensure that coolant liquid pair
The cooling effect of hollow pressure roller 1.
In the embodiment having, which further includes two material scraping plates 13 being arranged respectively close to the hollow pressure roller 1, is led to
Crossing material scraping plate 13 can further prevent material to be bonded on 1 surface of hollow pressure roller, to ensure that the quality of product after tabletting.
In the embodiment having, which further includes two material scraping plates 13 being arranged respectively close to the hollow pressure roller 1, institute
It states material scraping plate 13 to upwardly extend to form pipe clamp, the second liquid nitrogen pipe 11, second liquid nitrogen pipe 11 and institute is installed on the pipe clamp
The connection of liquid nitrogen storage tank 8 is stated, the second control valve 12 is connected in second liquid nitrogen pipe 11.
When 1 surface temperature of hollow pressure roller is excessively high, coolant liquid can not significantly drop the temperature of hollow pressure roller 1 in the short time
It is low, at this point, the second control valve 12 can be opened, so that the liquid nitrogen in liquefied ammonia storage pipe is flowed into the second liquid nitrogen pipe 11, gas is converted into liquid nitrogen
The a large amount of heat in 1 surface of hollow pressure roller is absorbed during state, to reduce rapidly the temperature of hollow pressure roller 1.
In the embodiment having, temperature sensor is equipped in the tank for coolant 6, first control valve 10 and second is controlled
Valve 12 processed is electrically-controlled valve, and the temperature sensor is electrically connected with controller input terminal, and first control valve 10 and second is controlled
Valve 12 processed is electrically connected with controller output end.
The temperature of coolant liquid can be acquired by temperature sensor, and the first temperature threshold, the second temperature are preset in controller
Threshold value is spent, when the temperature of coolant liquid is less than the first temperature threshold, controller controls the first control valve 10 and the second control valve 12
It closes, when the temperature of coolant liquid is between the first temperature threshold and second temperature threshold value, controller controls the first control valve
10 open, and the second control valve 12 is closed, and when coolant temperature is more than second temperature threshold value, controller controls the first control valve 10
It is opened with the second control valve 12.This process realizes the automatic cooling to hollow pressure roller 1, improves the automation journey of the device
Degree, even if after long-time tabletting, the surface temperature of hollow pressure roller 1 can also maintain in a stable range, to shut out
The generation that material causes material to twine rolling phenomenon because there is viscous rolling due to absolutely.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (7)
1. a kind of powdery paints tablet press machine nip drum Anti-adhering device includes two hollow pressures below extruder discharging mouth
Roller, the hollow pressure roller by driving device drive rotate, two hollow pressure roller rotation directions on the contrary, and axis be mutually parallel,
It is characterized in that, the hollow pressure roller is spliced by half roller of two mirror symmetries, is fixed by clip between two and half rollers, institute
It states and is equipped with heat exchanger tube in hollow pressure roller, the heat exchange plate includes integrally formed first pipe, second pipe and third pipeline, institute
Second pipe helically plate-like is stated, and in the inner cavity of the hollow pressure roller, the first pipe and third pipeline turn respectively
Dynamic to be connected to the hollow pressure roller both ends, the first pipe and third pipeline are respectively communicated with by the hollow Platen support
There are water inlet pipe and outlet pipe, the water inlet pipe and outlet pipe to be also communicated with tank for coolant, cooling is loaded in the tank for coolant
Liquid, the water inlet pipe, heat exchanger tube, outlet pipe and tank for coolant constitute coolant liquid circulation loop, are connected on the circulation loop
There is circulating pump.
2. powdery paints tablet press machine nip drum Anti-adhering device according to claim 1, which is characterized in that the tank for coolant
It is inside connected with liquid nitrogen vaporizer, the liquid nitrogen vaporizer is communicated with liquid nitrogen storage tank, first liquid nitrogen pipe by the first liquid nitrogen pipe
On be connected with the first control valve, be also associated with exhaust pipe on the liquid nitrogen vaporizer, the outlet of the exhaust pipe is located at described cold
But outside liquid case.
3. powdery paints tablet press machine nip drum Anti-adhering device according to claim 1, which is characterized in that the device further includes
Two material scraping plates respectively close to the hollow pressure roller setting.
4. powdery paints tablet press machine nip drum Anti-adhering device according to claim 2, which is characterized in that the device further includes
Two material scraping plates respectively close to the hollow pressure roller setting, the material scraping plate upwardly extend to form pipe clamp, block on the pipe clamp
Equipped with the second liquid nitrogen pipe, second liquid nitrogen pipe is connected to the liquid nitrogen storage tank, and the second control is connected in second liquid nitrogen pipe
Valve processed.
5. powdery paints tablet press machine nip drum Anti-adhering device according to claim 4, which is characterized in that the tank for coolant
Interior to be equipped with temperature sensor, first control valve and the second control valve are electrically-controlled valve, the temperature sensor and controller
Input terminal is electrically connected, and first control valve and the second control valve are electrically connected with controller output end.
6. powdery paints tablet press machine nip drum Anti-adhering device according to claim 1, which is characterized in that the hollow pressure roller
Two and half rollers between linked together by protrusion and the structure of card slot.
7. powdery paints tablet press machine nip drum Anti-adhering device according to claim 5, which is characterized in that the controller is pre-
Equipped with the first temperature threshold, second temperature threshold value, when the temperature of coolant liquid is less than the first temperature threshold, controller control first
Control valve and the second control valve are closed, when the temperature of coolant liquid is between the first temperature threshold and second temperature threshold value, control
Device processed controls the first control valve and opens, and the second control valve is closed, when coolant temperature is more than second temperature threshold value, controller control
It makes the first control valve and the second control valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149118.4U CN208020587U (en) | 2018-01-30 | 2018-01-30 | A kind of powdery paints tablet press machine nip drum Anti-adhering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149118.4U CN208020587U (en) | 2018-01-30 | 2018-01-30 | A kind of powdery paints tablet press machine nip drum Anti-adhering device |
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| Publication Number | Publication Date |
|---|---|
| CN208020587U true CN208020587U (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820149118.4U Active CN208020587U (en) | 2018-01-30 | 2018-01-30 | A kind of powdery paints tablet press machine nip drum Anti-adhering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247933A (en) * | 2018-01-30 | 2018-07-06 | 霸州市金昌环保材料有限公司 | A kind of powdery paints tablet press machine nip drum Anti-adhering device |
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2018
- 2018-01-30 CN CN201820149118.4U patent/CN208020587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108247933A (en) * | 2018-01-30 | 2018-07-06 | 霸州市金昌环保材料有限公司 | A kind of powdery paints tablet press machine nip drum Anti-adhering device |
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