CN107839190A - Cross-head and mould preheating system - Google Patents
Cross-head and mould preheating system Download PDFInfo
- Publication number
- CN107839190A CN107839190A CN201711175432.6A CN201711175432A CN107839190A CN 107839190 A CN107839190 A CN 107839190A CN 201711175432 A CN201711175432 A CN 201711175432A CN 107839190 A CN107839190 A CN 107839190A
- Authority
- CN
- China
- Prior art keywords
- temperature
- switch board
- circuit
- electric heating
- heating coil
- 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.)
- Pending
Links
- 238000005485 electric heating Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000005259 measurement Methods 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 6
- 229920002554 vinyl polymer Polymers 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000003086 colorant Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001754 anti-pyretic effect Effects 0.000 description 1
- 239000002221 antipyretic Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/865—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses cross-head and mould preheating system, it is related to polyvinyl piping materials production equipment field.Cross-head preheating system, it includes switch board, multiple temperature controllers are provided with outside switch board, temperature survey interface, electric heating coil power interface and a switch board power switch, switch board main circuit, temperature control circuit, heater circuit are provided with inside switch board, switch board main circuit electrically connects with temperature control circuit, heater circuit；The inside of temperature survey interface electrically connects with the temperature controller in temperature control circuit, and the outside of temperature survey interface is used to be connected with the hot spot to be added of cross-head；The inside of electric heating coil power interface electrically connects with the electric heating coil in heater circuit, and the outside of electric heating coil power interface is used to electrically connect with the electric heating coil of cross-head.By heating cold head in advance, the mode directly changed, it can save and wait or so 8 hours of time of heating in the past, improve production efficiency, reduce production cost.
Description
Technical field
Embodiments of the present invention are related to polyvinyl piping materials production equipment field, more specifically, embodiments of the present invention
It is related to cross-head and mould preheating system.
Background technology
Polyvinyl piping materials color has the color such as black, orange, yellow.Due to different colours mixed ingredients dyeability not
Together, other colors such as orange, yellow easily by black-dyeing, with during the color mixed ingredients top black mixed ingredients such as orange, it is necessary to big
The raw material of amount could be clean by the black material top in head, causes unnecessary loss.In order to reduce loss, different face are being produced
During colour tube material, other color heads are typically produced using Double-head, head production pipes-black, another head.
When producing different colours tubing, original head is dismantled and changes another head.
Tradition changes head mode：, it is necessary to change cross-head when producing different colours tubing in process of production.
, it is necessary to wait after the tubing production of production when changing head, it could shut down and change head, after cold head is changed, then
Head is started to warm up.Because head volume is big, warming temperature is high, and head temperature, which is raised to, sets temperature to generally require 8 hours
Left and right, in temperature-rise period, production equipment can not be produced, and reduce the service efficiency of equipment, add be produced into without reason
This.
The content of the invention
The purpose of the present invention is the technological deficiency being directed in above-mentioned background, there is provided a kind of cross-head and mould preheating
System, it is expected to solve existing equipment in temperature-rise period, production equipment can not be produced, and reduce the use effect of equipment
Rate, the problems such as adding production cost without reason.
In order to solve the above-mentioned technical problem, the present invention takes following technical scheme：Cross-head preheating system, it is wrapped
Switch board is included, multiple temperature controllers, temperature survey interface, electric heating coil power interface and a control are provided with outside the switch board
Cabinet power switch processed, the switch board inside are provided with switch board main circuit, temperature control circuit, heater circuit, the main electricity of switch board
Road electrically connects with temperature control circuit, heater circuit；Temperature controller electricity in the inside and temperature control circuit of the temperature survey interface
Connection, the outside of the temperature survey interface are used to be connected with the hot spot to be added of cross-head；The electric heating coil power supply connects
The inside of mouth electrically connects with the electric heating coil in heater circuit, and the outside of the electric heating coil power interface is used for and cross-head
Electric heating coil electrically connects；The switch board power switch starts, and switch board switches on power, switch board main circuit switch closure, temperature control
Circuit measuring heats spot temperature, and when measurement temperature is less than the temperature that temperature controller is set, the temperature controller control adds
Heater circuit is powered, and begins to warm up electric heating coil, when measurement temperature reaches the temperature of temperature controller setting, the temperature controller
Control heater circuit power-off.
Further technical scheme is：The switch board is additionally provided with emergency stop switch, stops heating during for accident to occur.
Further technical scheme is：The switch board is additionally provided with blower fan, for being dried into switch board, prevents temperature
It is too high.
Further technical scheme is：Fuse is provided with the heater circuit.
In addition, the present invention also provides extruding machine mold preheating system, it includes switch board and heater box, the heater box
For placing extruding machine mold to be heated, multiple temperature controllers, temperature survey interface, electric heating are provided with outside the switch board
Power interface and a switch board power switch are enclosed, switch board main circuit, temperature control circuit, heating electricity are provided with inside the switch board
Road, the switch board main circuit electrically connect with temperature control circuit, heater circuit；The inside of the temperature survey interface and temperature control circuit
In temperature controller electrical connection, the outside of the temperature survey interface is used to be connected with the hot spot to be added of heater box；It is described
The inside of electric heating coil power interface electrically connects with the electric heating coil in heater circuit, the outside of the electric heating coil power interface be used for
The electric heating coil electrical connection of heater box；The switch board power switch starts, and switch board switches on power, and switch board main circuit switch closes
Close, temperature control circuit measurement heating spot temperature, when measurement temperature is less than the temperature that temperature controller is set, the temperature controller
Control heater circuit to be powered, begin to warm up electric heating coil, when measurement temperature reaches the temperature of temperature controller setting, the temperature
Controller control heater circuit power-off.
Further technical scheme is：The switch board is additionally provided with emergency stop switch, stops heating during for accident to occur.
Further technical scheme is：The switch board is additionally provided with blower fan, for being dried into switch board, prevents temperature
It is too high.
Further technical scheme is：The heater box bottom is provided with roller.
Further technical scheme is：Fuse is provided with the heater circuit.
The present invention compared with prior art, has following beneficial effect：In process of production, the pipe of different colours is produced
, it is necessary to change head during material, before production terminates, the production end time is calculated, before the end in the regular hour, just with logical
Preheating system is crossed to heat up to cold head.After tubing has produced, the temperature of cold head also reaches the temperature of setting, can be straight
Connecing will dismantle in the head used, change another head.By heating cold head in advance, the mode directly changed, can save
Or so 8 hours of time of heating are waited before about, production efficiency is improved, reduces production cost.
Cross-head and mould pre-heating system can be additionally used in the heating of cold mold.When being heated to cold mold, by cold mold
It is placed in heater box and heats.Heater box is all risk insurance warm type casing, and heater box can place die sleeve and core rod inside while heat,
Maximum specification is 315mm moulds.Heater box is mounted below wheel hub, can move.Mould is heated to set in heater box
After temperature, it can directly shift onto at head and be lifted.Cold mold can be preheated in advance by extruder preheating system,
2-4 hour of time can be saved.
Brief description of the drawings
Fig. 1-3 is the main circuit diagram of switch board of the present invention；
Fig. 4 is the heater circuit figure of switch board of the present invention；
Fig. 5 is the temperature control circuit figure of switch board of the present invention；
Fig. 6 is cross-head pre-heating system of the present invention and cross-head connection diagram；
Fig. 7 is the connection diagram of extruding machine mold pre-heating system of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
Cross-head preheating system, it includes switch board, multiple temperature controllers is provided with outside the switch board, temperature
Degree measurement interface, electric heating coil power interface and a switch board power switch, be provided with inside the switch board switch board main circuit,
Temperature control circuit, heater circuit, the switch board main circuit electrically connect with temperature control circuit, heater circuit；The temperature survey interface
Inside electrically connected with the temperature controller in temperature control circuit, the outside of the temperature survey interface is used for and cross-head
Hot spot connection to be added；The inside of the electric heating coil power interface electrically connects with the electric heating coil in heater circuit, the electric heating coil
The outside of power interface is used to electrically connect with the electric heating coil of cross-head；The switch board power switch starts, and switch board connects
Energization source, switch board main circuit switch closure, temperature control circuit measurement heating spot temperature, measurement temperature are set less than temperature controller
During the temperature put, the temperature controller control heater circuit is powered, and electric heating coil is begun to warm up, when measurement temperature reaches temperature control
During the temperature that instrument processed is set, the temperature controller control heater circuit power-off.
More preferably, switch board described in the present embodiment is additionally provided with emergency stop switch and blower fan, and the emergency stop switch is used to occur
Stop heating when unexpected.Blower fan is used to dry into switch board, prevents that temperature is too high.Fuse is provided with the heater circuit,
For the protection to circuit.
Specifically, in the present embodiment, the long 80cm of switch board, wide 40cm, high 120cm.There are 14 temperature controls in switch board front
14 regions or mould can be at most controlled heating by instrument processed, and right side upper end is temperature survey interface, interface and TEMP
Device connects.Right side lower end is electric heating coil power interface, and interface is connected with electric heating coil.Left side is switch board power switch, and the above is
Emergency stop switch.
Embodiment 2
In addition, the present invention also provides extruding machine mold preheating system, it includes switch board and heater box, the heater box
For placing extruding machine mold to be heated, multiple temperature controllers, temperature survey interface, electric heating are provided with outside the switch board
Power interface and a switch board power switch are enclosed, switch board main circuit, temperature control circuit, heating electricity are provided with inside the switch board
Road, the switch board main circuit electrically connect with temperature control circuit, heater circuit；The inside of the temperature survey interface and temperature control circuit
In temperature controller electrical connection, the outside of the temperature survey interface is used to be connected with the hot spot to be added of heater box；It is described
The inside of electric heating coil power interface electrically connects with the electric heating coil in heater circuit, the outside of the electric heating coil power interface be used for
The electric heating coil electrical connection of heater box；The switch board power switch starts, and switch board switches on power, and switch board main circuit switch closes
Close, temperature control circuit measurement heating spot temperature, when measurement temperature is less than the temperature that temperature controller is set, the temperature controller
Control heater circuit to be powered, begin to warm up electric heating coil, when measurement temperature reaches the temperature of temperature controller setting, the temperature
Controller control heater circuit power-off.
More preferably, switch board described in the present embodiment is additionally provided with emergency stop switch and blower fan, and the emergency stop switch is used to occur
Stop heating when unexpected.Blower fan is used to dry into switch board, prevents that temperature is too high.Fuse is provided with the heater circuit,
For the protection to circuit.Heater box bottom is provided with roller, is moved easily.
The operation principle of embodiment 1 and embodiment 2 is described further below：
With reference to figure 1-3, in switch board main circuit diagram 1, Q1 is switch board power switch, when closure switch board power switch
When, Q1 is closed, and controls the power supply of switch board.In main circuit diagram 2, when closing starting switch, relay KA1 is powered, main circuit diagram 3
Repeat circuit KA1 is closed, and A.C. contactor KM1 is powered, and A.C. contactor KM is closed in main circuit diagram 1, starts heating.Jerk is opened
Close and stop heating when occurring unexpected for control system.Switch board blower fan M, dries into switch board, plays a part of cooling.
With reference to figure 4, switch board switch on power after after electric heating coil circuit connects, temperature controller detect heating position temperature
After degree is lower than setting value, thyratron transistor K is powered, and coil electricity is antipyretic, after reaching design temperature, thyratron transistor K power-off, and line
Circle stops heating.In heater circuit, R1-R13 be heating head heating coil, other be heater box heating coil, F4-
F19 is fuse, for the protection to circuit.
With reference to figure 5, in temperature control circuit, the temperature signal of measurement passes through input 1,2 input temp controllers and setting value
Compare, when measurement temperature is less than setting value, temperature controller control thyratron transistor K is powered, and is set when measurement temperature reaches
When constant temperature is spent, temperature controller control thyratron transistor K power-off.Fed back by collection of the temperature controller to temperature, to control
Heating to electric heating coil.
With reference to figure 6, in embodiment 1, it is necessary to which the head that will first change preheats in advance when changing cross-head, extrusion
Machine head is connected with switch board, and electric heating coil heating interface is connected by power line with electric heating coil, according to being actually needed, is extruded
Machine head has several positions for needing to heat, and just connects several heating collars.Simultaneously corresponding temperature survey interface and heating part
Position connection.
With reference to figure 7, in embodiment 2, when heater box is connected with switch board, electric heating coil heating interface passes through power line and electric heating
Circle is connected, and temperature survey interface is connected with heating position.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, however, it is to be understood that ability
Field technique personnel can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in the application public affairs
Within the spirit and spirit opened.More specifically, can be to the group of theme combination layout in the range of disclosure
A variety of variations and modifications are carried out into part and/or layout.In addition to the variations and modifications carried out to building block and/or layout,
To those skilled in the art, other purposes also will be apparent.
Claims (9)
1. cross-head preheating system, it is characterised in that：It includes switch board, and multiple temperature are provided with outside the switch board
Controller, temperature survey interface, electric heating coil power interface and a switch board power switch, the switch board inside are provided with control
Cabinet main circuit, temperature control circuit, heater circuit, the switch board main circuit electrically connect with temperature control circuit, heater circuit；The temperature
The inside of measurement interface electrically connects with the temperature controller in temperature control circuit, and the outside of the temperature survey interface is used for and extrusion
The hot spot to be added connection of machine head；The inside of the electric heating coil power interface electrically connects with the electric heating coil in heater circuit, institute
The outside for stating electric heating coil power interface is used to electrically connect with the electric heating coil of cross-head；The switch board power switch starts,
Switch board switches on power, switch board main circuit switch closure, and temperature control circuit measurement heating spot temperature, measurement temperature is less than temperature
During the temperature that controller is set, the temperature controller control heater circuit is powered, and electric heating coil is begun to warm up, when measurement temperature reaches
During the temperature set to temperature controller, temperature controller control heater circuit power-off.
2. cross-head preheating system according to claim 1, it is characterised in that：The switch board is additionally provided with urgency
Guard's valve, stop heating during for accident to occur.
3. cross-head preheating system according to claim 1, it is characterised in that：The switch board is additionally provided with wind
Machine, for being dried into switch board, prevent that temperature is too high.
4. cross-head preheating system according to claim 1, it is characterised in that：It is provided with the heater circuit molten
Disconnected device.
5. extruding machine mold preheating system, it is characterised in that：It includes switch board and heater box, and the heater box is used to place
Extruding machine mold to be heated, the switch board outside are provided with multiple temperature controllers, temperature survey interface, and electric heating coil power supply connects
Mouth and a switch board power switch, the switch board inside is provided with switch board main circuit, temperature control circuit, heater circuit, described
Switch board main circuit electrically connects with temperature control circuit, heater circuit；Temperature in the inside and temperature control circuit of the temperature survey interface
Controller electrical connection is spent, the outside of the temperature survey interface is used to be connected with the hot spot to be added of heater box；The electric heating coil
The inside of power interface electrically connects with the electric heating coil in heater circuit, and the outside of the electric heating coil power interface is used for and heater box
Electric heating coil electrical connection；The switch board power switch starts, and switch board switches on power, switch board main circuit switch closure, temperature
Circuit measuring heating spot temperature is controlled, when measurement temperature is less than the temperature that temperature controller is set, the temperature controller control
Heater circuit is powered, and begins to warm up electric heating coil, when measurement temperature reaches the temperature of temperature controller setting, the temperature control
Instrument control heater circuit powers off.
6. extruding machine mold preheating system according to claim 5, it is characterised in that：The switch board is additionally provided with urgency
Guard's valve, stop heating during for accident to occur.
7. extruding machine mold preheating system according to claim 5, it is characterised in that：The switch board is additionally provided with wind
Machine, for being dried into switch board, prevent that temperature is too high.
8. extruding machine mold preheating system according to claim 5, it is characterised in that：The heater box bottom is provided with
Roller.
9. extruding machine mold preheating system according to claim 5, it is characterised in that：It is provided with the heater circuit molten
Disconnected device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175432.6A CN107839190A (en) | 2017-11-22 | 2017-11-22 | Cross-head and mould preheating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175432.6A CN107839190A (en) | 2017-11-22 | 2017-11-22 | Cross-head and mould preheating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107839190A true CN107839190A (en) | 2018-03-27 |
Family
ID=61680159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711175432.6A Pending CN107839190A (en) | 2017-11-22 | 2017-11-22 | Cross-head and mould preheating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107839190A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202986062U (en) * | 2012-11-26 | 2013-06-12 | 深圳市沃尔核材股份有限公司 | Heating ring and extrusion head comprising same |
| CN103481495A (en) * | 2013-09-17 | 2014-01-01 | 北京亨通斯博通讯科技有限公司 | Heating device and plastifying device used for improving cable inner end plastifying quality |
| CN204894475U (en) * | 2015-08-31 | 2015-12-23 | 广东吉青电缆实业有限公司 | Cable is extruded with quick heating device of mould |
| CN207509707U (en) * | 2017-11-22 | 2018-06-19 | 四川亚大塑料制品有限公司 | Cross-head and mold preheating system |
-
2017
- 2017-11-22 CN CN201711175432.6A patent/CN107839190A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202986062U (en) * | 2012-11-26 | 2013-06-12 | 深圳市沃尔核材股份有限公司 | Heating ring and extrusion head comprising same |
| CN103481495A (en) * | 2013-09-17 | 2014-01-01 | 北京亨通斯博通讯科技有限公司 | Heating device and plastifying device used for improving cable inner end plastifying quality |
| CN204894475U (en) * | 2015-08-31 | 2015-12-23 | 广东吉青电缆实业有限公司 | Cable is extruded with quick heating device of mould |
| CN207509707U (en) * | 2017-11-22 | 2018-06-19 | 四川亚大塑料制品有限公司 | Cross-head and mold preheating system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180327 |