CN109336722A - A kind of pressing mold preheating device and pre-heating mean - Google Patents
A kind of pressing mold preheating device and pre-heating mean Download PDFInfo
- Publication number
- CN109336722A CN109336722A CN201811416074.8A CN201811416074A CN109336722A CN 109336722 A CN109336722 A CN 109336722A CN 201811416074 A CN201811416074 A CN 201811416074A CN 109336722 A CN109336722 A CN 109336722A
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- China
- Prior art keywords
- pressing mold
- unit
- heating
- power supply
- temperature measuring
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Classifications
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0075—Shaping the mixture by extrusion
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a kind of pressing mold preheating device and pre-heating means, wherein preheating device includes power supply and the heating unit with the power electric connection, heating unit includes bracket and the induction coil by the fixed support of the bracket, and power supply is induction power supply, and power supply is electrically connected with induction coil；It further include control unit, the first temperature measuring unit for measuring pressing mould inner wall temperature, the second temperature measuring unit for measuring pressing outer mold wall temperature, the output end of control unit is electrically connected to a power source, the first temperature measuring unit, the second temperature measuring unit output end be electrically connected with the input terminal of control unit；It further include cooling unit；Induction coil is hollow coil, and cooling unit and induction coil are linked to be cooling circuit.The present invention uses electromagnetic induction heating mode, and heat exchanger effectiveness is high, heating efficiency is high, and energy loss is low, and heating time is short, improves production efficiency and production capacity, good in economic efficiency, easy to operate simple, securely and reliably.
Description
Technical field
The invention belongs to explosive wastewaters to be pressed field, in particular to a kind of pressing mold preheating device and pre-heating mean.
Background technique
Some novel high-energy explosives are needed in advance to preheat pressing mold and explosive, then be passed through before compression moulding
Compacting and pressure maintaining molding, just can depanning after being finally cooled to room temperature with pressing mold.
For the pressing mold being fixed on two-way pressing machine worktable, traditional pre-heating mean is, in pressing mold
It is inserted into 1 resistance-type heating rod in chamber, preheats pressing mold using the heat radiation that resistance-type heating rod self-heating generates.
Gap between resistance-type heating rod heating efficiency and heating rod and pressing mold inner-cavity side wall is inversely proportional, and and heating rod temperature
And heating rate is related.
Existing low using resistance-type heating rod preheating pressing mould profile heating efficiency, heating time is long, energy loss
Height, thus production efficiency is low.
Summary of the invention
It is an object of the present invention in view of the above shortcomings of the prior art, a kind of pressing mold preheating device and pre- is provided
Hot method, using electromagnetic induction heating mode, heat exchanger effectiveness is high, heating efficiency is high, and energy loss is low, and heating time is short, mentions
High production efficiency and production capacity, it is good in economic efficiency.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of pressing mold preheating device, including power supply and with the heating unit of the power electric connection, be structurally characterized in that described
Heating unit includes bracket and the induction coil by the fixed support of the bracket, the power supply are induction power supply, power supply and the sense
Coil is answered to be electrically connected.
By above structure, using electromagnetic induction heating mode, heat exchanger effectiveness is high, heating efficiency is high, and energy loss is low,
Heating time is short, improves production efficiency and production capacity, good in economic efficiency.
It further, further include control unit, the first temperature measuring unit for measuring pressing mould inner wall temperature, for surveying
The second temperature measuring unit of pressing outer mold wall temperature is measured, the output end of control unit is electrically connected to a power source, the first temperature measuring unit, the
The output end of two temperature measuring units is electrically connected with the input terminal of control unit.
By above structure, the first temperature measuring unit and the heating temperature of the second temperature measuring unit acquisition pressing mold and anti-are utilized
It is fed to control unit, control unit controls the output power of power supply according to real time temperature measurement data, to adjust adding for heating unit
Hot temperature and rate, realization are precisely controlled.
It further, further include cooling unit；The induction coil is by hollow coil winding, cooling unit and induction coil
It is linked to be cooling circuit.
During heating, heating unit is cooled down using cooling unit, job security can be improved.
It further, further include the protective case outside bracket and induction coil, which makes induction coil form one
A sealing is whole.
Protective case is added outside induction coil, avoidable explosive dust, which enters inside induction coil, causes shadow to induction coil
It rings, guarantees safety in utilization and device lifetime.
The shape of the induction coil and protective case is consistent with pressing mold inner-cavity as a preferred method,.
By contoured design, the uniformity of heating unit heats can be improved.
Further, frame bottom is equipped with the first support plate, and cradle top is equipped with the second support plate, the first support plate and the
It is connected between two support plates by support rod, structure is simple, and connection is reliable.
Further, it is additionally provided with handle in the second support plate, is easily installed and uses.
Based on the same inventive concept, the present invention also provides a kind of using the pressing mold preheating device to pressing mould
Have the method preheated, comprising:
Pressing mold is fixed on pressing machine worktable and cleans pressing mold by step A.；
Heating unit is placed in pressing mold inner-cavity by step B.；
Step C. startup power supply, induction coil carry out electromagnetic induction heating；
After step D. pressing mold temperature reaches setting value, power supply is closed, takes out heating unit.
As a preferred method, in step D,
Firstly, measuring the temperature of pressing mould inner wall using the first temperature measuring unit and being sent to control unit, in the first thermometric list
When first measured value is equal to or more than setting value T, control unit control reduces the output power of power supply；
Then, the temperature of pressing outer mold wall is measured using the second temperature measuring unit and be sent to control unit, in the first thermometric list
When the measured value of member and the second temperature measuring unit is equal to setting setting value T, control unit control power supply stops working；
Finally, taking out heating unit.
Further, after step c further include:
In step E. heating process, heating unit is cooled down using cooling unit.
Compared with prior art, the present invention uses electromagnetic induction heating mode, and heat exchanger effectiveness is high, heating efficiency is high, energy
Amount loss is low, and heating time is short, improves production efficiency and production capacity, good in economic efficiency, easy to operate simple, safely may be used
It leans on.
Detailed description of the invention
Fig. 1 is pressing mold preheating device structural schematic diagram of the present invention.
Fig. 2 is heating unit structure schematic diagram.
Fig. 3 is that pressing mould side wall temperature transmits schematic diagram.
Wherein, 1 is terminal box；2 be knob；3 be the second support plate；4 be induction coil；5 be bracket；6 be the first thermometric
Unit；7 be protective case；8 be support rod；9 be the first support plate；10 be power supply；11 be control unit；12 be the second thermometric list
Member；13 be cooling unit；14 be pressing machine worktable；15 be pressing mold；16 be handle；17 be heating unit.
Specific embodiment
As shown in Figure 1 to Figure 3, pressing mold preheating device includes power supply 10 and the heating unit that is electrically connected with the power supply 10
17, the heating unit 17 includes bracket 5 and the induction coil 4 by the fixed support of the bracket 5, the power supply 10 are induced electricity
Source, induction power supply are electrically connected with the induction coil 4.
Pressing mold preheating device further includes control unit 11, the first thermometric for measuring 15 inner wall temperature of pressing mold
Unit 6, the second temperature measuring unit 12 for measuring 15 outside wall temperature of pressing mold, 10 electricity of output end and power supply of control unit 11
Connection, the first temperature measuring unit 6, the second temperature measuring unit 12 output end be electrically connected with the input terminal of control unit 11.
Pressing mold preheating device further includes cooling unit 13；The induction coil 4 is by hollow coil winding, cooling unit
13 are linked to be cooling circuit with induction coil 4.
Pressing mold preheating device further includes the protective case 7 outside bracket 5 and induction coil 4, which makes to incude
It is whole that coil 4 forms a sealing.
The shape of the induction coil 4 and protective case 7 is consistent with 15 inner cavity of pressing mold.
5 bottom of bracket is equipped with the first support plate 9, is equipped with the second support plate 3 at the top of bracket 5, the first support plate 9 and second
It is connected between fagging 3 by support rod 8.
Handle 16 is additionally provided in second support plate 3.Terminal box 1 is additionally provided in second support plate 3.
The induction coil 4 is formed by copper tube coiling.Red copper pipe surface is left no room for manoeuvre edge processing, and inner hollow simultaneously can lead to cooling
Water.
First temperature measuring unit 6 includes two telescopic temperature sensors, and the second temperature measuring unit 12 includes two magnetic
Formula temperature sensor.For wall temperature difference and the uniformity inside and outside real-time monitoring pressing mold 15, and formed between control unit 11
Feedback signal is to realize closed-loop control.Second support plate 3, which is equipped with, stretches out or contracts for controlling telescopic temperature sensor contact
The knob 2 returned.
7 material of insulated enclosure protective case is glass fibre.
Energized state indicator light is arranged in pressing mold preheating device, and blast-resistant door forms interlocking loop, connector between pressing
Locate encapsulation process, to ensure safety.
As shown in figure 3, using the skin effect of induction heating, heating 15 inner surface of pressing mold first, then heat by
Inner surface reaches outer surface, finally tends towards stability.
Control unit 11 is mainly used for seing and displaying for the technological parameters such as heating temperature, heating time, the rate of heat addition.
Power supply 10 is mainly used for exporting intermediate frequency alternating current.
Cooling unit 13 uses Cool-water Machine for Industry, the cooling for induction coil 4.According to 15 material property of pressing mold,
Volume and heating requirements comprehensively consider the heat leakage of use environment, choose the induction heating power 10 of appropriate power and frequency.
Include: using the method that the pressing mold preheating device preheats pressing mold 15
Pressing mold 15 is fixed on pressing machine worktable 14 and cleans pressing mold 15 by step A.；
Step B. is contracted the contact of 6 two telescopic temperature sensors of the first temperature measuring unit by the knob 2 of 4 upper end of induction coil
It returns, after heating unit 17 is placed in 15 inner cavity of pressing mold, then stirs knob 2 for 6 two telescopic temperature of the first temperature measuring unit
The contact of degree sensor is ejected and is contacted with 15 inner wall of pressing mold；By 12 two magnetic-type temperature sensors of the second temperature measuring unit
It is arranged on 15 outer wall of pressing mold, closes explosion proof door；
Step C. presets heating temperature T(in control unit 11 for example, when for suppressing poly- difficult to understand -8 explosive, and T is set as 70~
80 DEG C) and the technological parameters such as heating time, startup power supply 10, induction coil 4 electromagnetic induction heating is carried out to pressing mold 15；
After 15 temperature of step D. pressing mold reaches setting value, power supply 10 is closed, opens explosion proof door, knob 2 is stirred and is surveyed first
The contact of 6 two telescopic temperature sensors of warm unit retracts, and takes out heating unit 17.
It after step c further include being cooled down using cooling unit 13 to heating unit 17 in step E. heating process.
In step D,
Firstly, measuring the temperature of 15 inner wall of pressing mold using the first temperature measuring unit 6 and being sent to control unit 11, surveyed first
When warm 6 measured value of unit is equal to or more than setting value T, the control of control unit 11 reduces the output power of power supply 10；
Then, the temperature of 15 outer wall of pressing mold is measured using the second temperature measuring unit 12 and be sent to control unit 11, first
When the measured value of temperature measuring unit 6 and the second temperature measuring unit 12 is equal to setting setting value T, control unit 11 controls power supply 10 and stops
Work；
Finally, taking out heating unit 17.
After the completion of pressing mold 15 preheats, preheated explosive can be poured into pressing mold 15, start hydraulic press
Pressing is molded, retrogressing mould is formed to powder column and takes powder column.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than limitation, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, within these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of pressing mold preheating device, including power supply (10) and the heating unit (17) being electrically connected with the power supply (10),
It is characterized in that, the heating unit (17) includes bracket (5) and the induction coil (4) by the fixed support of the bracket (5), the electricity
Source (10) is induction power supply, and power supply (10) is electrically connected with the induction coil (4).
2. pressing mold preheating device as described in claim 1, which is characterized in that further include control unit (11), for surveying
Measure first temperature measuring unit (6) of pressing mold (15) inner wall temperature, second for measuring pressing mold (15) outside wall temperature is surveyed
The output end of warm unit (12), control unit (11) is electrically connected with power supply (10), the first temperature measuring unit (6), the second temperature measuring unit
(12) output end is electrically connected with the input terminal of control unit (11).
3. pressing mold preheating device as described in claim 1, which is characterized in that further include cooling unit (13)；The sense
Answer coil (4) by hollow coil winding, cooling unit (13) and induction coil (4) are linked to be cooling circuit.
4. pressing mold preheating device as described in any one of claims 1 to 3, which is characterized in that further include being set to bracket (5)
And the protective case (7) of induction coil (4) outside, it is whole which makes induction coil (4) to form a sealing.
5. pressing mold preheating device as claimed in claim 4, which is characterized in that the induction coil (4) and protective case (7)
Shape it is consistent with pressing mold (15) inner cavity.
6. pressing mold preheating device as described in any one of claims 1 to 3, which is characterized in that bracket (5) bottom is equipped with the
One support plate (9), bracket (5) top are equipped with the second support plate (3), pass through between the first support plate (9) and the second support plate (3)
Support rod (8) is connected.
7. pressing mold preheating device as claimed in claim 6, which is characterized in that the second support plate is additionally provided with handle on (3)
(16).
8. a kind of side preheated using the pressing mold preheating device as described in any one of claim 1 to 7 to pressing mold
Method, comprising:
Pressing mold (15) is fixed on pressing machine worktable (14) and cleans pressing mold (15) by step A.；
Heating unit (17) is placed in pressing mold (15) inner cavity by step B.；
Step C. startup power supply (10), induction coil (4) carry out electromagnetic induction heating；
It after step D. pressing mold (15) temperature reaches setting value, closes power supply (10), takes out heating unit (17).
9. pressing mold pre-heating mean as claimed in claim 8, which is characterized in that
In step D,
Firstly, measure the temperature of pressing mold (15) inner wall using the first temperature measuring unit (6) and be sent to control unit (11),
When first temperature measuring unit (6) measured value is equal to or more than setting value T, control unit (11) control reduces the output work of power supply (10)
Rate；
Then, the temperature of pressing mold (15) outer wall is measured using the second temperature measuring unit (12) and be sent to control unit (11),
When the measured value of the first temperature measuring unit (6) and the second temperature measuring unit (12) is equal to setting setting value T, control unit (11) control
Power supply (10) processed stops working；
Finally, taking out heating unit (17).
10. pressing mold pre-heating mean as claimed in claim 8 or 9, which is characterized in that after step c further include:
In step E. heating process, heating unit (17) is cooled down using cooling unit (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416074.8A CN109336722A (en) | 2018-11-26 | 2018-11-26 | A kind of pressing mold preheating device and pre-heating mean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416074.8A CN109336722A (en) | 2018-11-26 | 2018-11-26 | A kind of pressing mold preheating device and pre-heating mean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109336722A true CN109336722A (en) | 2019-02-15 |
Family
ID=65317812
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811416074.8A Pending CN109336722A (en) | 2018-11-26 | 2018-11-26 | A kind of pressing mold preheating device and pre-heating mean |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09253896A (en) * | 1996-03-21 | 1997-09-30 | Hitachi Powdered Metals Co Ltd | Powder compacting die device |
| JP2000087104A (en) * | 1998-09-04 | 2000-03-28 | Hitachi Powdered Metals Co Ltd | Method for forming green compact |
| JP2006281273A (en) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Pmg Corp | Powder compacting die device, and method for compacting powder compacting |
| CN201224713Y (en) * | 2007-07-26 | 2009-04-22 | 国营第二八二厂 | Heating and cooling integrated apparatus for charging mould |
| CN101570072A (en) * | 2008-04-30 | 2009-11-04 | 宣德兵 | Biomass material hot pressing die |
| CN102110510A (en) * | 2010-12-24 | 2011-06-29 | 中国科学院深圳先进技术研究院 | Coil of magnetic resonance imaging system, and cooling device and method thereof |
| CN203496302U (en) * | 2013-09-25 | 2014-03-26 | 东莞市众赢五金有限公司 | Oil press heated by electromagnetic induction |
| WO2015050337A1 (en) * | 2013-10-02 | 2015-04-09 | 김기종 | System for molding amorphous product and method for molding amorphous product |
| CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
| CN107857466A (en) * | 2017-12-07 | 2018-03-30 | 苏州赛万玉山智能科技有限公司 | Efficient 3D cover-plate glass preheating device, pre-heating mean, hot-bending machine and its processing method |
| CN108088331A (en) * | 2017-12-07 | 2018-05-29 | 江南工业集团有限公司 | For the cooling device of pressing charging mould and powder column forming method |
| CN209226875U (en) * | 2018-11-26 | 2019-08-09 | 江南工业集团有限公司 | A kind of pressing mold preheating device |
-
2018
- 2018-11-26 CN CN201811416074.8A patent/CN109336722A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09253896A (en) * | 1996-03-21 | 1997-09-30 | Hitachi Powdered Metals Co Ltd | Powder compacting die device |
| JP2000087104A (en) * | 1998-09-04 | 2000-03-28 | Hitachi Powdered Metals Co Ltd | Method for forming green compact |
| JP2006281273A (en) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Pmg Corp | Powder compacting die device, and method for compacting powder compacting |
| CN201224713Y (en) * | 2007-07-26 | 2009-04-22 | 国营第二八二厂 | Heating and cooling integrated apparatus for charging mould |
| CN101570072A (en) * | 2008-04-30 | 2009-11-04 | 宣德兵 | Biomass material hot pressing die |
| CN102110510A (en) * | 2010-12-24 | 2011-06-29 | 中国科学院深圳先进技术研究院 | Coil of magnetic resonance imaging system, and cooling device and method thereof |
| CN203496302U (en) * | 2013-09-25 | 2014-03-26 | 东莞市众赢五金有限公司 | Oil press heated by electromagnetic induction |
| WO2015050337A1 (en) * | 2013-10-02 | 2015-04-09 | 김기종 | System for molding amorphous product and method for molding amorphous product |
| CN205553340U (en) * | 2016-05-03 | 2016-09-07 | 林坤 | Hot press heating device and be equipped with this heating device's hot press |
| CN107857466A (en) * | 2017-12-07 | 2018-03-30 | 苏州赛万玉山智能科技有限公司 | Efficient 3D cover-plate glass preheating device, pre-heating mean, hot-bending machine and its processing method |
| CN108088331A (en) * | 2017-12-07 | 2018-05-29 | 江南工业集团有限公司 | For the cooling device of pressing charging mould and powder column forming method |
| CN209226875U (en) * | 2018-11-26 | 2019-08-09 | 江南工业集团有限公司 | A kind of pressing mold preheating device |
Non-Patent Citations (1)
| Title |
|---|
| 赖君平: "一种压药模具的简易加热装置", 科技与企业——企业科技创新与管理学术研讨会论文集（下）, pages 164 * |
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