CN207509707U - Cross-head and mold preheating system - Google Patents
Cross-head and mold preheating system Download PDFInfo
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- CN207509707U CN207509707U CN201721573724.0U CN201721573724U CN207509707U CN 207509707 U CN207509707 U CN 207509707U CN 201721573724 U CN201721573724 U CN 201721573724U CN 207509707 U CN207509707 U CN 207509707U
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- switch board
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- electric heating
- heating coil
- head
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Abstract
The utility model discloses cross-head and mold preheating systems, are related to polyvinyl piping materials production equipment field.Cross-head preheating system, it includes switch board, multiple temperature controllers are equipped with outside switch board, temperature survey interface, electric heating coil power interface and a switch board power switch, switch board is internally provided with switch board main circuit, temperature control circuit, heater circuit, and switch board main circuit is electrically connected with temperature control circuit, heater circuit；The inside of temperature survey interface is electrically connected with the temperature controller in temperature control circuit, and the outside of temperature survey interface is used to connect with the hot spot to be added of cross-head；The inside of electric heating coil power interface is electrically connected with the electric heating coil in heater circuit, and the outside of electric heating coil power interface is used to be electrically connected with the electric heating coil of cross-head.By heating cold head in advance, the mode directly replaced can save or so 8 hours of time for waiting for heating in the past, improve production efficiency, reduce production cost.
Description
Technical field
The embodiment of the utility model is related to polyvinyl piping materials production equipment field, more specifically, the utility model
Embodiment is related to cross-head and mold preheating system.
Background technology
Polyvinyl piping materials color has the colors such as black, orange, yellow.Due to different colours mixed ingredients dyeability not
Together, other colors such as orange, yellow with orange when colors mixed ingredients top black mixed ingredients, need big easily by black-dyeing
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, generally using Double-head, a head produces other color heads with pipes-black, another head is produced.
When producing different colours tubing, original head is dismantled and changes another head.
Tradition replaces head mode：When producing different colours tubing in process of production, cross-head is needed replacing.
When replacing head, need etc. after the tubing production of production, could to shut down replacement head, after the replacement of cold head, then
Head is started to warm up.Since head volume is big, warming temperature is high, and head temperature is raised to set temperature and generally requires 8 hours
Left and right, in temperature-rise period, production equipment cannot be produced, and reduce the service efficiency of equipment, increase be produced into without reason
This.
Utility model content
The purpose of this utility model is for the technological deficiency in above-mentioned background, provides a kind of cross-head and mold is pre-
Heating system, it is expected to solve existing equipment in temperature-rise period, production equipment cannot be produced, and reduce the use of equipment
Efficiency, the problems such as increasing production cost without reason.
In order to solve the above-mentioned technical problem, the utility model takes following technical scheme：Cross-head preheating system,
It includes switch board, and multiple temperature controllers, temperature survey interface, electric heating coil power interface and one are equipped with outside the switch board
A switch board power switch, the switch board are internally provided with switch board main circuit, temperature control circuit, heater circuit, the switch board
Main circuit is electrically connected with temperature control circuit, heater circuit；Temperature control in the inside and temperature control circuit of the temperature survey interface
Instrument is electrically connected, and the outside of the temperature survey interface is used to connect with the hot spot to be added of cross-head；The electric heating coil electricity
The inside of source interface is electrically connected with the electric heating coil in heater circuit, and the outside of the electric heating coil power interface is used for and extruder machine
The electric heating coil electrical connection of head；The switch board power switch starts, and switch board powers on, and switch board main circuit switch is closed,
Temperature control circuit measures heating spot temperature, when measuring temperature of the temperature less than temperature controller setting, the temperature controller control
Heater circuit processed 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 power-off processed.
Further technical solution is：The switch board is additionally provided with emergency stop switch, stops heating during for accident to occur.
Further technical solution is：The switch board is additionally provided with wind turbine, for drying into switch board, prevents temperature
It is excessively high.
Further technical solution is：Fuse is equipped in the heater circuit.
In addition, the utility model also provides extruding machine mold preheating system, it includes switch board and heater box, described to add
Hot tank is equipped with multiple temperature controllers for placing extruding machine mold to be heated outside the switch board, temperature survey interface,
Electric heating coil power interface and a switch board power switch, the switch board are internally provided with switch board main circuit, temperature control circuit, add
Heater circuit, the switch board main circuit are electrically connected with temperature control circuit, heater circuit；The inside of the temperature survey interface and temperature control
Temperature controller electrical connection in circuit, the outside of the temperature survey interface are used to connect with the hot spot to be added of heater box；
The inside of the electric heating coil power interface is electrically connected with the electric heating coil in heater circuit, and the external of the electric heating coil power interface is used
It is electrically connected in the electric heating coil with heater box；The switch board power switch starts, and switch board powers on, and switch board main circuit is opened
It closes and closes, temperature control circuit measures heating spot temperature, when measurement temperature is less than the temperature of temperature controller setting, the temperature control
Instrument control heater circuit processed is powered, and begins to warm up electric heating coil, described when measurement temperature reaches the temperature of temperature controller setting
Temperature controller control heater circuit power-off.
Further technical solution is：The switch board is additionally provided with emergency stop switch, stops heating during for accident to occur.
Further technical solution is：The switch board is additionally provided with wind turbine, for drying into switch board, prevents temperature
It is excessively high.
Further technical solution is：The heater box bottom is equipped with idler wheel.
Further technical solution is：Fuse is equipped in the heater circuit.
The utility model compared with prior art, has following advantageous effect：In process of production, different colours are produced
Tubing when, need replacing head, before production terminates, calculate production the end time, before the end in the regular hour, just
It is heated up with by preheating system to cold head.After tubing has produced, the temperature of cold head also reaches the temperature of setting,
It will directly can dismantle in the head used, replace another head.By heating cold head in advance, the mode directly replaced,
Or so 8 hours of time for waiting for heating in the past can be saved, production efficiency is improved, reduces production cost.
Cross-head and mold 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 babinet, and heater box can place die sleeve and mold core inside while heat,
Maximum specification is 315mm molds.Heater box is mounted below wheel hub, can move.Mold 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.
Description of the drawings
Fig. 1-3 is the main circuit diagram of the utility model switch board；
Fig. 4 is the heater circuit figure of the utility model switch board；
Fig. 5 is the temperature control circuit figure of the utility model switch board；
Fig. 6 is the utility model cross-head pre-heating system and cross-head connection diagram；
Fig. 7 is the connection diagram of the utility model extruding machine mold pre-heating system.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this practicality
It is novel, it is not used to limit the utility model.
Embodiment 1
Cross-head preheating system, it includes switch board, multiple temperature controllers, temperature is equipped with outside the switch board
Degree measures interface, electric heating coil power interface and a switch board power switch, the switch board be internally provided with switch board main circuit,
Temperature control circuit, heater circuit, the switch board main circuit are electrically connected with temperature control circuit, heater circuit；The temperature survey interface
Inside be 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 is electrically connected with the electric heating coil in heater circuit, the electric heating coil
The outside of power interface is used to be electrically connected 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 are closed, and temperature control circuit measures heating spot temperature, are measured temperature and are set less than temperature controller
During the temperature put, the temperature controller control heater circuit is powered, and begins to warm up electric heating coil, reaches temperature control when measuring temperature
During the temperature of instrument setting processed, 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 wind turbine, and the emergency stop switch is used to occur
Stop heating when unexpected.Wind turbine prevents temperature excessively high for drying into switch board.Fuse is equipped in the heater circuit,
For the protection to circuit.
Specifically, in the present embodiment, the long 80cm of switch board, width 40cm, high 120cm.There are 14 temperature controls in switch board front
Instrument processed, can at most carry out 14 regions or mold control heating, and right side upper end is temperature survey interface, interface and temperature sensing
Device connects.Right side lower end is electric heating coil power interface, and interface is connect with electric heating coil.Cabinet power switch, the above are in order to control in left side
Emergency stop switch.
Embodiment 2
In addition, the utility model also provides extruding machine mold preheating system, it includes switch board and heater box, described to add
Hot tank is equipped with multiple temperature controllers for placing extruding machine mold to be heated outside the switch board, temperature survey interface,
Electric heating coil power interface and a switch board power switch, the switch board are internally provided with switch board main circuit, temperature control circuit, add
Heater circuit, the switch board main circuit are electrically connected with temperature control circuit, heater circuit；The inside of the temperature survey interface and temperature control
Temperature controller electrical connection in circuit, the outside of the temperature survey interface are used to connect with the hot spot to be added of heater box；
The inside of the electric heating coil power interface is electrically connected with the electric heating coil in heater circuit, and the external of the electric heating coil power interface is used
It is electrically connected in the electric heating coil with heater box；The switch board power switch starts, and switch board powers on, and switch board main circuit is opened
It closes and closes, temperature control circuit measures heating spot temperature, when measurement temperature is less than the temperature of temperature controller setting, the temperature control
Instrument control heater circuit processed is powered, and begins to warm up electric heating coil, described when measurement temperature reaches the temperature of temperature controller setting
Temperature controller control heater circuit power-off.
More preferably, switch board described in the present embodiment is additionally provided with emergency stop switch and wind turbine, and the emergency stop switch is used to occur
Stop heating when unexpected.Wind turbine prevents temperature excessively high for drying into switch board.Fuse is equipped in the heater circuit,
For the protection to circuit.Heater box bottom is equipped with idler wheel, 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 cabinet power switches in order to control, when being closed switch board power switch
When, Q1 is closed, and controls the power supply of switch board.In main circuit diagram 2, when being closed 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.Emergency stop is opened
It closes and stops heating when accident occurs for control system.Switch board wind turbine M, dries into switch board, plays the role of cooling.
With reference to figure 4, switch board power on 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 energization is antipyretic, after reaching set temperature, thyratron transistor K power-off, and line
Circle stops heating.In heater circuit, R1-R13 be heat 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 terminal 1,2 input temp controllers and setting value
It compares, when measuring temperature 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.The acquisition of temperature is fed back by temperature controller, to control
Heating to electric heating coil.
With reference to figure 6, in embodiment 1, when replacing cross-head, the head that will first replace is needed to preheat in advance, squeezed out
Machine head is connected with switch board, and electric heating coil heating interface is connected by power cord with electric heating coil, according to actual needs, is squeezed out
Machine head has several positions for needing to heat, and just connects several heating collars.Corresponding temperature survey interface and heating part simultaneously
Position connection.
With reference to figure 7, in embodiment 2, when heater box is connect with switch board, electric heating coil heating interface passes through power cord and electric heating
Circle is connected, and temperature survey interface is connect with heating position.
Although reference be made herein to the utility model is described in the explanatory embodiment of the utility model, however, it should
Understand, those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment will be fallen
Within spirit disclosed in the present application and spirit.It more specifically, can be to theme group in range disclosed in the present application
The building block and/or layout for closing layout carry out a variety of variations and modifications.In addition to the modification carried out to building block and/or layout
Outer with improving, 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 equipped with outside the switch board
Controller, temperature survey interface, electric heating coil power interface and a switch board power switch, the switch board are internally provided with control
Cabinet main circuit, temperature control circuit, heater circuit, the switch board main circuit are electrically connected with temperature control circuit, heater circuit；The temperature
The inside for measuring interface is electrically connected 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 is electrically connected with the electric heating coil in heater circuit, institute
The outside of electric heating coil power interface is stated for being electrically connected with the electric heating coil of cross-head.
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 stops 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 drying into switch board, prevents temperature excessively high.
4. cross-head preheating system according to claim 1, it is characterised in that：It is equipped in 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 equipped with multiple temperature controllers, temperature survey interface, and electric heating coil power supply connects
Mouth and a switch board power switch, the switch board is internally provided with switch board main circuit, temperature control circuit, heater circuit, described
Switch board main circuit is electrically connected 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 connect with the hot spot to be added of heater box；The electric heating coil
The inside of power interface is electrically connected 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.
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 stops 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 drying into switch board, prevents temperature excessively high.
8. extruding machine mold preheating system according to claim 5, it is characterised in that：The heater box bottom is equipped with
Idler wheel.
9. extruding machine mold preheating system according to claim 5, it is characterised in that：It is equipped in the heater circuit molten
Disconnected device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573724.0U CN207509707U (en) | 2017-11-22 | 2017-11-22 | Cross-head and mold preheating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573724.0U CN207509707U (en) | 2017-11-22 | 2017-11-22 | Cross-head and mold preheating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207509707U true CN207509707U (en) | 2018-06-19 |
Family
ID=62539778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721573724.0U Active CN207509707U (en) | 2017-11-22 | 2017-11-22 | Cross-head and mold preheating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207509707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839190A (en) * | 2017-11-22 | 2018-03-27 | 四川亚大塑料制品有限公司 | Cross-head and mould preheating system |
-
2017
- 2017-11-22 CN CN201721573724.0U patent/CN207509707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839190A (en) * | 2017-11-22 | 2018-03-27 | 四川亚大塑料制品有限公司 | Cross-head and mould preheating system |
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