CN110512470A - A kind of the mold constant temperature coil heating apparatus and preparation method of paper pulp moulding product - Google Patents
A kind of the mold constant temperature coil heating apparatus and preparation method of paper pulp moulding product Download PDFInfo
- Publication number
- CN110512470A CN110512470A CN201910727224.5A CN201910727224A CN110512470A CN 110512470 A CN110512470 A CN 110512470A CN 201910727224 A CN201910727224 A CN 201910727224A CN 110512470 A CN110512470 A CN 110512470A
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- Prior art keywords
- mold
- temperature
- paper pulp
- moulding product
- heating
- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 238000000465 moulding Methods 0.000 title claims abstract description 49
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 6
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000007731 hot pressing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of mold constant temperature coil heating apparatus of paper pulp moulding product, including mold heating coil and temperature control device, the mold heating coil is installed on the positive and negative two sides of mold, slots around die cavity and mold heating coil is placed in slot.Mold fever circle circuit design need to defer to thermal balance requirement, border temperature deviation controls within +/- 2 degrees Celsius, core temperature is uniform, guarantee that paper mould shaping mould surface temperature is consistent, to ensure that paper pulp moulding product dimensional stability, product breach, broken etc. are reduced, paper pulp moulding product yield rate is improved.
Description
Technical field
The present invention relates to paper mould technical fields, and in particular to a kind of mold constant temperature coil heats of paper pulp moulding product
Device and heating means.
Background technique
The hot-forming station of current tradition paper, be the workbench heating by molding machine (board is convertible) itself
And it is passed to die end.At present there are two types of the major ways of transmitting heat source: one is conducted for high temperature heat conductive oil by workbench oil circuit
Heat to mold, two for by 12 or 24 Resistant heating sticks for being distributed workbench side come heating mould, both heating sides
Formula is all more mature and is all verified in volume production.
Above-mentioned traditional heating mode, temperature derive from board side, are to first pass through heat conducting element heating and then be transmitted to again
On paper pulp model formation machine mold, in heat exchange, there are the notable defects of several aspects: the damage in 1. heat conductive process
It loses seriously, energy consumption is big, and energy waste directly contributes factory cost increase；2. energy exchange processes large deviations value is larger, heating is not
Uniformly (10 degrees Celsius or more are up to by identifying deviation), so as to cause product because temperature difference heating degree is different, receive
Shrinkage is different, and product wrinkles, is broken, it is more to deform, and yield rate is lower；3. the mold heating-up time is long, or even is unable to reach technique
Temperature causes trimmer working efficiency low.How to overcome these defects is the emphasis that this patent needs to discuss.
Summary of the invention
For existing above-mentioned the deficiencies in the prior art, the present invention provides a kind of for existing paper pulp moulding product
The transformation and optimization of molding equipment, the mold constant temperature coil heating apparatus of specially a kind of paper pulp moulding product, can accurately control
Temperature, temperature deviation control within +/- 2 degrees Celsius, reduce energy consumption, the heating-up time is short, long service life.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of mold constant temperature coil heating apparatus of paper pulp moulding product, including mold heating coil and temperature control device, it is described
Mold heating coil is installed on the positive and negative two sides of mold, slots around die cavity and/or mold core and mold heating coil is placed in slot.
The temperature control device is connect with mold heating coil, is installed on board side, plays the function of temperature setting and monitoring.
Molding machine controls the heating temperature of workbench by temperature control element, and heating coil is integrated into on the inside of board by the connection of line group.
The mold heating coil basic structure is heating tube, and specific structure is prior art, such as: electricity is put into metal tube
Thermal element is exported with eduction rod, in the tightly packed crystal magnesium oxide for having good heat resistance, thermal conductivity and insulating properties in gap section
Powder, and screw shell and sealing porcelain head in tail portion addition for fixed installation.
Further, the mold heating coil is placed in slot, and top half adds a U-shaped copper press strip fitting die surface to lead
Heat seal effect.
Further, mold core is packed into template or non-mosaic integral mould core template by mosaic mode, and fever circle is in template
It slots around upper mold core, is placed in heating resistance wire, then using heat insulator filling (such as epoxy resin).
Working principle: heating temperature is set by temperature control box, electric current makes its temperature by the tube resistor that generates heat in mold heating coil
Degree is increased to set temperature while being transmitted to mold core periphery, cuts under the detection of thermocouple when temperature is more than the setting value upper limit
Power-off source or temperature restore power supply lower than the setting value lower limit time again.Fever circle is placed in slot around template upper mold core
It is filled after heating resistance wire using heat insulator, heat can be made to conduct to mold core, without being conducted to die surface, avoided
Heat losses.
Molding equipment connects temperature control box, fever circle and mold, and operation (Fig. 4) real-time display is controlled by PLC and is being formed
Machine controls on screen.
(1) the circuit design of mold fever circle need to defer to thermal balance requirement, and mold cavity/mold core border temperature deviation control exists
+/- 2 degrees Celsius.Circuit design needed for different mold cavities/mold core arrangement is also different, therefore need to do thermal equilibrium analysis.As far as possible
It ensures that core temperature is uniform, precisely can achieve +/- 0.5 degree Celsius.
(2) hot pressing station bolster design general power is 84kw, and most time saving power saving at this time, the present apparatus is according to maximum power
The designed coil of value, it can be ensured that mold from room temperature rise to operating temperature (130 degrees Celsius) needed for time control in 10min
Within, the design of heat-generating pipe and resistance wire size need to be considered according to maximum power value to calculate.
(3) operating temperature of patent device is at 90-150 degrees Celsius, temperature control box can set temperature deviation allowable value, thermoelectricity
It is even that real time temperature detection is provided.
A kind of paper pulp moulding product molding die is also claimed in the present invention, uses above-mentioned constant temperature coil heating apparatus, In
Multiple temperature detecting units are set on mold.The temperature detecting unit is thermocouple.
A kind of paper pulp moulding product molding equipment is also claimed in the present invention, and the molding equipment connects temperature control box, control
Above-mentioned mold constant temperature coil heating apparatus, operation is controlled by PLC control unit, and real-time display controls screen in molding machine
On.
A kind of preparation method of paper pulp moulding product molding die, comprising the following steps:
(1) it slots around die cavity and/or mold core and mold heating coil is placed in slot, the mold heating coil can pacify
Loaded on the positive and negative two sides of mold；
Further, the mold heating coil is placed in slot, and top half adds a U-shaped copper press strip fitting die surface to lead
Heat seal effect；
Further, mold core is packed into template entirety or by way of inlaying, and fever circle is slotted around template upper mold core,
It is placed in heating resistance wire, then using heat insulator filling (such as epoxy resin)；
(2) multiple thermocouples, Measurement die temperature are set on mold；
(3) temperature control box is set, is connect with mold heating coil and thermocouple, temperature setting and monitoring are carried out.
Further include thermal equilibrium analysis step before step (1), requires progress mold fever circle circuit to set according to thermal balance
Meter.It is bribed as shown in Figure 1, the adjacent position of two mold heating coils needs to be designed according to thermal equilibrium analysis, mold core is avoided to have
Site absorption heat is big, and some site absorption heats are small causes core temperature uneven.
Heating temperature is set by temperature control box, electric current makes its temperature be increased to set temperature while passing by the tube resistor that generates heat
Mold periphery is led, cuts off the power under the detection of thermocouple when temperature is more than the setting value upper limit or temperature is lower than setting
The value lower limit time restores power supply again.As far as possible ensure core temperature it is uniform, border temperature deviation control +/- 2 degrees Celsius with
It is interior, it precisely can achieve within +/- 0.5 degree Celsius.
The beneficial effect of technical solution of the present invention
The mold constant temperature coil heating apparatus of paper pulp moulding product designed by the invention, conventional heating device are compared,
It has the advantage that
1, accurate temperature control: mold fever circle circuit design need to defer to thermal balance requirement, and border temperature deviation is controlled +/- 2
Within degree Celsius, core temperature is uniform, precisely can achieve +/- 0.5 degree Celsius.Thermal insulation material is used after being placed in heating resistance wire
Material filling, can be such that heat conducts to mold core, without conducting to die surface, avoid heat losses；Temperature control is accurate in real time, protects
It is consistent to demonstrate,prove paper mould shaping mould surface temperature, thus ensure that paper pulp moulding product dimensional stability, reduction product breach,
It is crushed, improves paper pulp moulding product yield rate.
2, power consumption, conventional table heating method design power 108kw (upper 24 heat-generating pipes of lower table), heating are reduced
To target temperature time 30min, heating device design power 84kw of the present invention is heated to target temperature time 10min, the design
Energy-efficient 300% or more economize on electricity.
3, heating device of the present invention is according to coil designed by maximum power value, it can be ensured that mold rises to work from room temperature
Time needed for temperature (130 degrees Celsius) controls in 10min.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is die face heating coil structural schematic diagram of the invention；
Fig. 2 is mold reverse side heating coil structural schematic diagram of the invention；
Fig. 3 (1) is heating coil structural schematic diagram of the present invention；
Fig. 3 (2) is heating-pipe structure schematic diagram；
Fig. 4 is molding equipment structural schematic diagram of the present invention；
Fig. 5 is heating coil scene photograph figure after present invention filling.
Description of symbols:
1- hot pressing lower die, 2- mold heating coil, 3- thermocouple, 4- interface, 5- mold core, 6-U type copper press strip, 7- resistance wire,
8- Stainless Steel Shell, 9- mold, 10- thermocouple wiring, 11- temperature control box, 12- operator control panel, 13- molding machine, 14- termination,
15- fastener, 16- Stainless Steel Shell, 17- insulation magnesium chloride, 18- heating tube resistance wire, the non-hot zone 19-, the hot zone 20-,
21- line group 1,2；22- line group 3,4,5,6.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Constant temperature coil heating apparatus is arranged in 1 front and back sides of hot pressing lower die of Fig. 1 and paper pulp moulding product shown in Fig. 2, including
Mold heating coil 2 and temperature control device, mold heating coil 2 are installed on the positive and negative two sides of mold, add mold around 5 surrounding of die cavity fluting
Gas ket 2 is placed in slot, and mold heating coil 2 is connected to power supply by the ambilateral interface of mould, and multiple thermoelectricity are arranged in hot pressing lower die 1
Even 3 measure the temperature around mold core 5.The circuit of the mold heating coil 2 of the positive and negative two sides of mold may be the same or different.This
The circuit of the positive and negative two sides of mold is different according to the structure of mold core in embodiment.Mold heating coil 2 is placed in slot, and top half adds one
U-shaped copper press strip 6 is bonded die surface (as shown in Figure 3).Mold core 5 is packed into the mould of hot pressing lower die 1 entirety or by way of inlaying
Plate, to slot around template upper mold core 5, heating resistance wire 7 is fitted into Stainless Steel Shell 8 and is placed in around mold core 5 fever circle 2
Fluting, top half adds a U-shaped copper press strip 6 to be bonded die surface, then using heat insulator filling (as shown in Figure 5).No
The circuit design that same mold cavity/mold core 5 is arranged required is also different, therefore needs to do thermal equilibrium analysis before fluting.Mold fever circle 2
Thermal balance requirement is deferred in circuit design, and 5 border temperature deviation of mold cavity/mold core controls within +/- 2 degrees Celsius.
Temperature control box 11 is connect with mold heating coil 2, is installed on board side, plays the function of temperature setting and monitoring.Molding
Machine 13 controls the heating temperature of workbench by temperature control element, and heating coil 2 passes through line group 1,2 21 and line group 3,4,5,6 22
Connection is integrated into the temperature control box 11 on the inside of board, and thermocouple 3 is integrated into temperature control box 11 by the connection of thermocouple wiring 10 respectively,
Operator control panel 12 is connect with temperature control box 11.
Fig. 4 is paper pulp model formation machine 13, connects temperature control box 11, and the mold 9 for being equipped with fever circle 2 and thermocouple 3 is arranged
In on molding machine 13, controlling operation by PLC control system, real-time display is in molding machine operator control panel 12.
When work, it is 84kw that 13 hot pressing station bolster of paper pulp model formation machine, which designs general power, at this time most time saving province
Electricity, it can be ensured that mold rises to required time control in 10min or so from room temperature, sets heating temperature by temperature control box 11
(the present embodiment sets operating temperature as 130 degrees Celsius), electric current make its temperature liter by fever tube resistor 7 in mold heating coil 2
Up to set temperature is transmitted to 5 periphery of mold core simultaneously, cuts off under the detection of thermocouple 3 when temperature is more than the setting value upper limit
Power supply or temperature restore power supply lower than the setting value lower limit time again.The present invention ensures that core temperature is uniform, border temperature deviation
Control precisely can achieve within +/- 0.5 degree Celsius within +/- 2 degrees Celsius.Temperature control of the present invention is accurate in real time, guarantees paper pulp
It is consistent to mold shaping mould surface temperature, to ensure that paper pulp moulding product dimensional stability, reduces product breach, be crushed
Deng raising paper pulp moulding product yield rate.Reduce power consumption, energy-efficient 300% or more economize on electricity.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of mold constant temperature coil heating apparatus of paper pulp moulding product, including mold heating coil and temperature control device, feature
It is, the mold heating coil is installed on the positive and negative two sides of mold, slots around die cavity and/or mold core and sets mold heating coil
In in slot.
2. the mold constant temperature coil heating apparatus of paper pulp moulding product according to claim 1, which is characterized in that the mould
Tool heating coil is heating tube.
3. the mold constant temperature coil heating apparatus of paper pulp moulding product according to claim 1 or 2, which is characterized in that institute
It states mold heating coil to be placed in slot, top half adds a U-shaped copper press strip fitting die surface.
4. the mold constant temperature coil heating apparatus of paper pulp moulding product according to claim 3, which is characterized in that the temperature
Device is controlled, is connect with mold heating coil, the heating temperature of workbench is controlled by temperature control element, heating coil is connected by line group
It is integrated into on the inside of board.
5. a kind of paper pulp moulding product molding die, which is characterized in that use the described in any item constant temperature coils of claim 1-4
Multiple temperature detecting units are arranged in heating device on mold.
6. paper pulp moulding product molding die according to claim 5, which is characterized in that the temperature detecting unit is heat
Galvanic couple.
7. a kind of paper pulp moulding product molding equipment, which is characterized in that the molding equipment connects temperature control box, controls claim
The described in any item mold constant temperature coil heating apparatus of 1-4, operation is controlled by PLC control unit, and real-time display is forming
Machine controls on screen.
8. a kind of preparation method of paper pulp moulding product molding die, which comprises the following steps:
(1) it slots around die cavity and/or mold core and mold heating coil is placed in slot, the mold heating coil can be installed on
The positive and negative two sides of mold；
(2) multiple thermocouples, Measurement die temperature are set on mold；
(3) temperature control box is set, is connect with mold heating coil and thermocouple, temperature setting and monitoring are carried out.
9. the preparation method of paper pulp moulding product molding die according to claim 8, which is characterized in that in step (1)
Before further include thermal equilibrium analysis step, is required to carry out mold fever circle circuit design according to thermal balance.
10. the preparation method of paper pulp moulding product molding die according to claim 8, which is characterized in that pass through temperature control
Case sets heating temperature, and electric current makes its temperature be increased to set temperature while being transmitted to mold periphery by the tube resistor that generates heat, In
It cuts off the power under the detection of thermocouple when temperature is more than the setting value upper limit or temperature is again extensive lower than the setting value lower limit time
Telegram in reply source.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727224.5A CN110512470A (en) | 2019-08-07 | 2019-08-07 | A kind of the mold constant temperature coil heating apparatus and preparation method of paper pulp moulding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727224.5A CN110512470A (en) | 2019-08-07 | 2019-08-07 | A kind of the mold constant temperature coil heating apparatus and preparation method of paper pulp moulding product |
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| CN110512470A true CN110512470A (en) | 2019-11-29 |
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ID=68623902
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| CN201910727224.5A Pending CN110512470A (en) | 2019-08-07 | 2019-08-07 | A kind of the mold constant temperature coil heating apparatus and preparation method of paper pulp moulding product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134761A (en) * | 2021-12-31 | 2022-03-04 | 珠海格力智能装备有限公司 | Forming mechanism and molding equipment with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2672148Y (en) * | 2003-07-10 | 2005-01-19 | 林志明 | Paper plastic forming structure |
| CN1623022A (en) * | 2002-02-26 | 2005-06-01 | 绿谷科技有限公司 | Improved molded fiber manufacturing |
| TW200702144A (en) * | 2005-07-07 | 2007-01-16 | Chien Hui Chuan | Built-in induction heating apparatus and method for mold |
| CN202644310U (en) * | 2012-05-11 | 2013-01-02 | 广州华工环源模具有限公司 | Drying device of pulp molding products manufacturing system |
| CN203282590U (en) * | 2013-05-27 | 2013-11-13 | 宿迁市长城机械密封制造有限公司 | Heating devices for hot-press graphite die |
| CN211256494U (en) * | 2019-08-07 | 2020-08-14 | 永发（江苏）模塑包装科技有限公司 | Paper pulp molding die constant temperature coil heating device and forming die and equipment thereof |
-
2019
- 2019-08-07 CN CN201910727224.5A patent/CN110512470A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1623022A (en) * | 2002-02-26 | 2005-06-01 | 绿谷科技有限公司 | Improved molded fiber manufacturing |
| CN2672148Y (en) * | 2003-07-10 | 2005-01-19 | 林志明 | Paper plastic forming structure |
| TW200702144A (en) * | 2005-07-07 | 2007-01-16 | Chien Hui Chuan | Built-in induction heating apparatus and method for mold |
| CN202644310U (en) * | 2012-05-11 | 2013-01-02 | 广州华工环源模具有限公司 | Drying device of pulp molding products manufacturing system |
| CN203282590U (en) * | 2013-05-27 | 2013-11-13 | 宿迁市长城机械密封制造有限公司 | Heating devices for hot-press graphite die |
| CN211256494U (en) * | 2019-08-07 | 2020-08-14 | 永发（江苏）模塑包装科技有限公司 | Paper pulp molding die constant temperature coil heating device and forming die and equipment thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134761A (en) * | 2021-12-31 | 2022-03-04 | 珠海格力智能装备有限公司 | Forming mechanism and molding equipment with same |
| CN114134761B (en) * | 2021-12-31 | 2024-02-27 | 珠海格力智能装备有限公司 | Forming mechanism and molding equipment with same |
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