CN1258245A - Method and apparatus for forming items made of plastic material whereby plastic material is heated by ultrasonic vibrations - Google Patents
Method and apparatus for forming items made of plastic material whereby plastic material is heated by ultrasonic vibrations Download PDFInfo
- Publication number
- CN1258245A CN1258245A CN99800280.1A CN99800280A CN1258245A CN 1258245 A CN1258245 A CN 1258245A CN 99800280 A CN99800280 A CN 99800280A CN 1258245 A CN1258245 A CN 1258245A
- Authority
- CN
- China
- Prior art keywords
- polymeric material
- viscous state
- chamber
- plastic material
- ultrasonic vibration
- 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
- 239000000463 material Substances 0.000 title claims abstract description 89
- 239000004033 plastic Substances 0.000 title claims abstract description 49
- 229920003023 plastic Polymers 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/0261—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/251—Particles, powder or granules
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Method and apparatus for forming items (A) made of polymeric material, comprising the operations of bringing a mass of polymeric material (14) to a pre-set fluid or viscous condition suitable for obtaining the plastic item (A) and of forming into the desired predetermined shape said mass of polymeric material (14). In order to bring said mass into the pre-set viscous condition, the method entails sending ultrasound vibrations on said mass of polymeric material (14).
Description
Technical field
The present invention relates to a kind of production method and device that forms parts by polymer plastic material.
Prior art
Be the parts that obtain forming by polymer plastic material; used device comprises a cavity of depositing polymeric material at present; the polymeric material of delivering in the chamber generally is Powdered or granular; described chamber links to each other with a mold or nozzle to form parts, carries by the compression set that acts on the plastic material after plastic material is reduced to the mecystasis that is suitable for moulding described in the described chamber.
In described make-up machine, for polymer plastic material group is converted to required flow-like or viscous state, generally be to utilize suitable heater, generally utilize resistor and relevant control device, but utilizing this device to obtain required heat by Joule effect need consume too much energy.
It is because for the plastic material that obtains honey shape or viscous state plastic material has been applied excessive pressure that machine of the prior art consumes more energy, changes whole plastic material group into be suitable for the course of work fluid state or mecystasis by the effect of heater like this.
Summary of the invention
Therefore, an object of the present invention is to provide the method and apparatus of the parts that a kind of production is made of polymer plastic material, it is characterized in that utilizing lower energy consumption just can make required plastic material reach fluid state.
In addition, in above-mentioned known resistor heats device, for reaching effective heating to plastic material, described resistor is arranged in and compresses accordingly and deposit on the circumference in chamber of fluid of polymeric material, makes described device volume greatly and baroque defective like this with regard to having caused resistor to take a part of void space.
Another object of the present invention provides the device of the parts that a kind of production is made of polymer plastic material, and described device provides simply, little, the low-cost structure of size.
Method according to claim 1 can achieve the above object.Especially, the step of producing the parts that are made of polymeric material by this method comprises: change polymeric material into be fit to produce plastic components predetermined stickiness attitude, make the polymeric material moulding according to the shape of required parts; The method is characterized in that, need ultrasonic vibration is sent on the plastic material for described polymeric material group being changed into predetermined stickiness attitude.
The invention still further relates to a kind of device that claim 5 provides.
The form of used energy with ultrasonic vibration acted in the plastic material group, change it into required fluidised form or viscous state, its advantage is: with respect to traditional heater, particularly resistor, carry out this heating process, the present invention has reduced energy consumption; Contact the generation high pressure with extruder member and make plastic material liquefaction with respect to utilization in addition, this device has also reduced energy consumption.
Utilize the present invention to operate also plastic material group at ambient temperature and can save big energy.
In addition, the present invention also can save the device that is used to form heating condition in known devices and reach those large volume devices that adopt for the high pressure that obtains acting on the plastic material.Utilize device of the present invention can make structure extremely simplify and reduce installation cost.
Second claim relates to the preferred embodiments of the present invention.
In conjunction with the accompanying drawings, by the following detailed description, other technical characterictic and advantage of the present invention will be clearer and more definite, but the embodiment that is provided is provided in the present invention.
Figure 1 shows that schematic diagram of the present invention, this illustrates applied first kind of preferred device in production of the present invention forms parts by polymer plastic material the method;
Figure 2 shows that schematic diagram of the present invention, the figure illustrates applied second kind of preferred device in production of the present invention forms parts by polymer plastic material the method.
With reference to the accompanying drawings 1, the preferred embodiment of equipment therefor 10 comprises annular seal space 12 in the method for the present invention, the sealing chamber is used for depositing polymeric material 14, and have an opening or nozzle 16 on the sealing chamber at least, describedly be in the polymeric material 14 that viscous state is suitable for forming parts and discharge from chamber 12 by opening or nozzle 16, described parts are represented with generalized reference symbol A in the drawings.
Device provided by the invention also comprises the suitable feed arrangement of plastic material being sent into the chamber of this device, represents with funnel T in figure of the present invention, and wherein the plastic material of depositing in the funnel is granular or powdery 18.
The downstream of described feed arrangement provides device D, this device is used for measuring the quantity that enters the plastic material in described chamber 12 with granular form, then by suitable non-return device 20 and on the outer wall 23 in described chamber, provided insert mouthfuls 22 and the plastic material that will reserve dosage in advance is delivered in the chamber 12 accordingly.
The present invention also provides other to use the proper device that generates described parts in addition; Described building mortion comprises nozzle 16 with suitable shape or real mold (not shown), and the fluid wherein or the plastic material of viscous state are discharged under pressure.
For the plastic material that is in the viscous flow figure is discharged from chamber 12, described fluid attitude plastic material is rolled into a ball and is exerted pressure via suitable compression set, presses shown in the figure, and this compressed action is finished by the piston 24 that can radially slide in chamber 12.If necessary, described piston also can produce vacuum to suck plastic material in the chamber, so just granular plastic material 18 can be added in the chamber.The motion of compression set is driven by appropriate driving device M and finishes.
The device that plastic material is changed into the predetermined viscous state that is suitable for generating plastic components A also is provided in the device of the present invention.
The invention has the advantages that: the described device that changes polymer plastic material into predetermined viscous state comprises a ultrasonic energy source or sonotrode device S, and this device is transported to the form of energy with ultrasonic vibration on the described polymeric material 14.
In addition, ultrasonic vibration source S is arranged on the chamber 12 one side relative with described compression set 24.Obviously, vibration source also has other arrangement, such as expecting it is arranged on the sidewall in chamber 12.
The plastic material of viscous state discharged that used nozzle 16 is arranged on the sidewall in chamber 12 and surperficial adjacent with vibrating mass, nozzle 16 contacts with polymeric material, and polymeric material herein should reach viscous state.
Letter C among the figure is meant the center control device, and this device preferably has the electronic-controlled installation of working procedure, and this device preferably can obtain being positioned at the assistance of the sensing device on the machine appropriate location.
Utilize the control device C just can be, thereby obtain the plastic material product A the intervention time coordination of the drive unit M and the ultrasonic wave emission source S of health-monitoring installation D, driven plunger 24.
In particular cases, thus this device can combine the energy that polymeric material 14 and described ultrasonic vibration are carried on the part plastic material and reaches the stickiness attitude with default pressure state.
Figure 2 shows that second preferred embodiment 100 of apparatus of the present invention, this embodiment is used for understanding method provided by the present invention.The used parts of used most of parts and above-mentioned first embodiment are in full accord among second embodiment, therefore no longer repeat here.
The difference of second embodiment of the present invention 100 and first embodiment is that 12 discharge is by pipeline 160 to plastic material from the chamber, and this pipeline is in the inside of sonotrode S.Can transmit more energy to plastic material from ultrasonic unit by this way, therefore improve the efficient of device.
Used plastic material preferably is made of thermoplastic.Under any circumstance, if other materials is suitable for this production process, device of the present invention also can use other plastic materials.
Method of the present invention is applicable to the production process of any product that is generated by plastic material, as extrusion molding, compression moulding, injection moulding, transfer modling, extruding and blowing and other modes.
Under the situation that does not break away from context of the present invention, the present invention can be by numerous variations and variation pattern, and all details of the present invention in addition can utilize the parts of technical equivalence to replace.
Claims (11)
1. production method that forms parts by polymeric material, this method comprises: polymeric material (14) is changed into the predefined viscous state that is suitable for generating plastic parts, then plastic material (14) is formed required predetermined shape, it is characterized in that, for changing described plastic material (14) into predetermined viscous state, ultrasonic vibration is transported on this plastic material.
2. method according to claim 1 is characterized in that: for polymeric material (14) with act on ultrasonic vibration on the polymeric material and combine and change plastic material into default viscous state, provide pressure to described polymeric material group (14).
3. one of require described method according to aforesaid right, it is characterized in that, the viscous state of described polymeric material be polymeric material be in fluid state fully.
4. according to one of aforesaid right requirement described method, it is characterized in that, the viscous state of polymeric material is to obtain in the chamber of depositing described polymeric material (12), wherein the polymeric material of viscous state is discharged by device (S), and device (S) is delivered to ultrasonic vibration in the described chamber (12).
5. the process units of parts that form by polymeric material, this device comprises: the chamber (12) that is used for depositing polymeric material group (14), be used for polymeric material is changed into the device of the predetermined viscous state that is suitable for generating plastic components, the opening (16) that at least one links to each other with described chamber (12), described opening is used for the polymeric material (14) that is in predetermined viscous state is discharged from chamber (12), device (M, 24) to the polymeric material (14) that is in viscous state in chamber (12) thus exert pressure it discharged from opening (16), it is characterized in that, be used for changing polymeric material (14) into preset viscous state device and comprise ultrasonic energy source (S), this ultrasonic energy source is delivered to the form of energy with ultrasonic vibration on the polymeric material (14).
6. device according to claim 5, it is characterized in that, this device comprises control device (C), for changing described polymeric material into default viscous state, reach in the process of viscous state at polymeric material, described control device (C) combines with energy source (S) and acts on ultrasonic vibration on the described polymeric material and described control device (C) and described pressure apparatus (M, 24) combine to go up to produce in described polymeric material group (14) and give compressive state.
7. according to the described device of one of claim 5 to 6, it is characterized in that: be used for the opening (16) that the polymeric material (14) that is in predetermined viscous state is discharged from chamber (12) is positioned at the described near surface position that is used to transmit the energy source (S) of ultrasonic vibration, contact with polymeric material group (14).
8. according to the described device of one of claim 5 to 7, it is characterized in that, be used for will be in the polymeric material group (14) of the predetermined viscous state pipeline (160) of from chamber (12), discharging be positioned at the described inside that is used for transmitting the ultrasonic vibration source (S) of ultrasonic vibration.
9. according to the described device of one of claim 5 to 8, it is characterized in that this device comprises the direct device (16) that forms described parts of polymeric material that is used for being in viscous state.
10. according to the described device of one of claim 5 to 9, it is characterized in that, energy is positioned on the position relative with described compression set (24), described chamber (12) with the ultrasonic energy source (S) that the form of ultrasonic vibration is delivered in the described polymeric material group (14).
11. require described method and apparatus, it is characterized in that the operation at room temperature of this device according to aforesaid right.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITBO98A000155 | 1998-03-12 | ||
| IT98BO000155A IT1299900B1 (en) | 1998-03-12 | 1998-03-12 | PROCEDURE AND APPARATUS FOR THE FORMING OF PLASTIC MATERIAL ARTICLES WITH THE AID OF ULTRASOUND. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1258245A true CN1258245A (en) | 2000-06-28 |
Family
ID=11343026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99800280.1A Pending CN1258245A (en) | 1998-03-12 | 1999-03-10 | Method and apparatus for forming items made of plastic material whereby plastic material is heated by ultrasonic vibrations |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0981430A1 (en) |
| CN (1) | CN1258245A (en) |
| AU (1) | AU2541599A (en) |
| CA (1) | CA2290099A1 (en) |
| IT (1) | IT1299900B1 (en) |
| WO (1) | WO1999046098A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490301A (en) * | 2011-12-16 | 2012-06-13 | 深圳大学 | Micropart powder compression molding method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2471644A1 (en) * | 2010-12-31 | 2012-07-04 | Fundació Privada Ascamm | System and method for moulding micro and mini plastic parts |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1805090A1 (en) * | 1968-10-25 | 1970-05-21 | Bosch Gmbh Robert | Synthetic materials prodn |
| EP0394958A3 (en) * | 1989-04-25 | 1991-11-13 | Idemitsu Kosan Company Limited | Method of plasticizing molding material and apparatus therefor |
| DE4106645A1 (en) * | 1991-03-02 | 1992-09-03 | Philips Patentverwaltung | DEVICE FOR CONVERTING PLASTIC MEASURES INTO A STATE OF LOW VISCOSITY |
-
1998
- 1998-03-12 IT IT98BO000155A patent/IT1299900B1/en active IP Right Grant
-
1999
- 1999-03-10 EP EP99905130A patent/EP0981430A1/en not_active Withdrawn
- 1999-03-10 CA CA002290099A patent/CA2290099A1/en not_active Abandoned
- 1999-03-10 CN CN99800280.1A patent/CN1258245A/en active Pending
- 1999-03-10 WO PCT/IB1999/000389 patent/WO1999046098A1/en not_active Application Discontinuation
- 1999-03-10 AU AU25415/99A patent/AU2541599A/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490301A (en) * | 2011-12-16 | 2012-06-13 | 深圳大学 | Micropart powder compression molding method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0981430A1 (en) | 2000-03-01 |
| IT1299900B1 (en) | 2000-04-04 |
| WO1999046098A1 (en) | 1999-09-16 |
| CA2290099A1 (en) | 1999-09-16 |
| ITBO980155A1 (en) | 1999-09-12 |
| AU2541599A (en) | 1999-09-27 |
| ITBO980155A0 (en) | 1998-03-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |