CN209684880U - The accurate feeding device of PVC foam production line extrusion unit - Google Patents
The accurate feeding device of PVC foam production line extrusion unit Download PDFInfo
- Publication number
- CN209684880U CN209684880U CN201920356928.1U CN201920356928U CN209684880U CN 209684880 U CN209684880 U CN 209684880U CN 201920356928 U CN201920356928 U CN 201920356928U CN 209684880 U CN209684880 U CN 209684880U
- Authority
- CN
- China
- Prior art keywords
- gravity sensor
- control centre
- feed bin
- out unit
- feeding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses the accurate feeding devices that PVC foam production line squeezes out unit, it is characterised in that: further includes gravity sensor (8) and control centre (9) in the device；Gravity sensor (8) is mounted between feed bin (5) and silo support (7), for monitoring the weight of raw material in feed bin；Control centre (9) is connected by signal wire with frequency converter (1) and gravity sensor (8) respectively；Control centre (9) calculates feeding speed according to the real time data of gravity sensor (8), when the feeding speed for squeezing out unit deviates setting value, frequency converter (1) is adjusted by control centre (9), to change the revolving speed of motor (2) and the revolving speed of discharge screw rod (4), and the feeding speed for squeezing out unit is made to revert to setting value.
Description
Technical field
The utility model relates to PVC foam plate process units technical fields, and in particular to PVC foam production line squeezes out unit
Accurate feeding device.
Background technique
PVC foam plate adds various processing aids and foaming agent is prepared using polyvinyl chloride as primary raw material, has excellent
Good chemical stability, corrosion-resistant, hardness is big, and intensity is high, is widely used in the fields such as building materials, Outdoor Design.
Existing PVC foam board assembly line, which mostly uses, squeezes out the production of unit extrusion technology.During extrusion molding, institute
The raw material of use is generally particulate material, passes through feeding device feeding and enters among the barrel of extruder group；Feeding device feeding
In the process, when by a large amount of particulate materials being added instantaneously to realize auto feed in certain time into feed bin, due to instantaneously adding
It is larger to enter amount, feeding chamber is be easy to cause to block, and uses up the phenomenon that having little time charging in the presence of the excessive roof fall of charging or raw material；To
Cause the interior charging of the barrel for squeezing out unit unbalanced or discontinuous, influences the PVC board quality squeezed out.
Utility model content
Purpose of utility model: in view of the deficiencies of the prior art, the utility model provides a kind of PVC foam production line extruder
The accurate feeding device of group, improves the degree of automation of system；Concrete scheme is:
PVC foam production line squeezes out the accurate feeding device of unit, including feed bin, screw feeding component, squeezes out unit
Barrel；Raw material is entered from feed bin by screw feeding component among the barrel for squeezing out unit；Wherein, screw feeding component includes
Frequency converter, motor and transmission parts and discharge screw rod, motor are connect by transmission parts with discharge screw rod, and the rotation of discharge screw rod is driven
Turn, frequency converter is connected to motor, and controls the revolving speed of motor；
It is characterized by: further including gravity sensor and control centre in the device；
Gravity sensor is mounted between feed bin and silo support, for monitoring the weight of raw material in feed bin；
Control centre passes through signal wire respectively and is connected with frequency converter and gravity sensor 8；
Control centre calculates feeding speed according to the real time data of gravity sensor, when the feeding speed for squeezing out unit deviates
When setting value, frequency converter is adjusted by control centre, to change the revolving speed of motor and the revolving speed of discharge screw rod, and is made
The feeding speed for squeezing out unit reverts to setting value.
The utility model has the advantages that
1, when feeding to feed bin, by the quantity of gravity sensor measuring and calculating charging, it can terminate and feed after enough chargings
Journey prevents overfeeding or insufficient happen that feed；
2, according to the monitoring data of gravity sensor, the accurate revolving speed for adjusting discharge screw rod makes the feeding speed for squeezing out unit
Degree is kept constant.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present apparatus.
Specific embodiment
Technical solutions of the utility model are described in detail below by attached drawing, but the protection scope of the utility model
It is not limited to the embodiment.
Embodiment 1:
As shown in Figure 1, PVC foam production line squeezes out the accurate feeding device of unit, including frequency converter 1, motor 2 and transmission
Component 3, discharge screw rod 4, feed bin 5, barrel 6, silo support 7, gravity sensor 8 and the control centre 9 for squeezing out unit；Wherein:
Gravity sensor 8 is mounted between feed bin 5 and silo support 7, for monitoring the weight of raw material in feed bin；
Industrial control computer, such as PLC controller can be used in control centre 9；PID closed loop feedback can be used in control method
The prior arts such as automatic control technology.
Control centre 9 is connected by signal wire with frequency converter 1 and gravity sensor 8 respectively；
In feeding process, raw material is entered among feed bin 5 by feeding device, and motor 2 passes through transmission parts 3 and discharge spiral shell
The connection of bar 4 drives discharge screw rod 4 to rotate, so that raw material uniformly enters the material for squeezing out unit from feed bin 5 by discharge screw rod 4
Among cylinder 6；Wherein, frequency converter 1 is controlled by control centre 9, and the revolving speed of motor 2 is adjusted.
Control centre 9 calculates feeding speed according to the real time data of gravity sensor 8, when the feeding speed for squeezing out unit is inclined
When from setting value, frequency converter 1 is adjusted by control centre 9,
To change the revolving speed of motor 2 and the revolving speed of discharge screw rod 4, and the feeding speed for squeezing out unit is reverted to and is set
Definite value.
Further, discharge screw rod 4 is two, and the end of two discharge screw rods 4 is engaged by gear set.Pass through twin-screw
Design so that discharge ability is promoted.
Further, control centre 9 is connected with the control module of feeding device, when the data of gravity sensor 8 are shown
In feed bin 5 when insufficient raw material, feeding device start-up operation, the adding raw materials into feed bin 5 are controlled from control centre 9；
During charging, the quantity that control centre 9 is fed by the measuring and calculating of gravity sensor 8, when enough chargings, by controlling
Center 9 processed controls feeding device and stops working, terminates charging process.
As described above, although the utility model has been indicated and described referring to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (3)
1.PVC foaming production line squeezes out the accurate feeding device of unit, including feed bin (5), screw feeding component, squeezes out unit
Barrel (6)；Raw material is entered from feed bin (5) by screw feeding component among the barrel (6) for squeezing out unit；Wherein, screw feeding
Component includes frequency converter (1), motor (2) and transmission parts (3) and discharge screw rod (4), motor (2) by transmission parts (3) with
Discharge screw rod (4) connection drives discharge screw rod (4) rotation, and frequency converter (1) is connect with motor (2), controls the revolving speed of motor (2)；
It is characterized by: further including gravity sensor (8) and control centre (9) in the device；
Gravity sensor (8) is mounted between feed bin (5) and silo support (7), for monitoring the weight of raw material in feed bin；
Control centre (9) is connected by signal wire with frequency converter (1) and gravity sensor (8) respectively；
Control centre (9) calculates feeding speed according to the real time data of gravity sensor (8), when the feeding speed for squeezing out unit is inclined
When from setting value, frequency converter (1) is adjusted by control centre (9), to change the revolving speed and discharge screw rod of motor (2)
(4) revolving speed, and the feeding speed for squeezing out unit is made to revert to setting value.
2. the accurate feeding device that PVC foam production line according to claim 1 squeezes out unit, which is characterized in that discharge
Screw rod (4) is two, and the end of two discharge screw rods (4) is engaged by gear set.
3. the accurate feeding device that PVC foam production line according to claim 1 squeezes out unit, which is characterized in that control
Center (9) is connected with the control module of feeding device, when the data of gravity sensor (8) show insufficient raw material in feed bin (5)
When, it is started to work from control centre (9) control feeding device, the adding raw materials in feed bin (5)；
During charging, the quantity that control centre (9) is fed by gravity sensor (8) measuring and calculating, when enough chargings, by controlling
Center (9) control feeding device processed stops working, terminates charging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356928.1U CN209684880U (en) | 2019-03-20 | 2019-03-20 | The accurate feeding device of PVC foam production line extrusion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356928.1U CN209684880U (en) | 2019-03-20 | 2019-03-20 | The accurate feeding device of PVC foam production line extrusion unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209684880U true CN209684880U (en) | 2019-11-26 |
Family
ID=68605803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356928.1U Expired - Fee Related CN209684880U (en) | 2019-03-20 | 2019-03-20 | The accurate feeding device of PVC foam production line extrusion unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209684880U (en) |
-
2019
- 2019-03-20 CN CN201920356928.1U patent/CN209684880U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20210320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |