CN102350762A - Pre-expansion machine of foam - Google Patents
Pre-expansion machine of foam Download PDFInfo
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- CN102350762A CN102350762A CN2011102842975A CN201110284297A CN102350762A CN 102350762 A CN102350762 A CN 102350762A CN 2011102842975 A CN2011102842975 A CN 2011102842975A CN 201110284297 A CN201110284297 A CN 201110284297A CN 102350762 A CN102350762 A CN 102350762A
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Abstract
The invention relates to a pre-expansion machine of foam, which is mainly used for producing plastic foam. The pre-expansion machine of the foam with a reasonable structural design and reliable performances is not existed at present. The pre-expansion machine of the foam comprises a machine frame, a material loading device, a barrel body, a material door device, a material level control device, a scraper device, a sewage discharge device, a stirring device, an electrical box, a steam pipeline and a compressed air pipeline; the barrel body and the electrical box are both arranged on the machine frame; the material loading device, the material door device and the material level control device are all arranged on the barrel body; the scraper device is arranged at the bottom of the stirring device; the stirring device is arranged in the barrel body; and the sewage discharge device, the steam pipeline and the compressed air pipeline are all connected with the barrel body. The invention is characterized in that the scraper device comprises a scraper base, a left long scraper, a right long scraper, a front short scraper and a back short scraper; and the left long scraper and the right long scraper are both fixedly arranged on the scraper base, and the front short scraper and the back short scraper are both fixedly arranged on the scraper base. As the pre-expansion machine of the foam has the reasonable structural design, the materials cannot be collected at the bottom of a barrel, and a material leakage phenomenon cannot be generated on a material door.
Description
Technical field
The present invention relates to a kind of foam prefoaming machine, be mainly used in the production plastic foam, belong to a kind of plant equipment of making plastic foam.
Background technology
Foam material sending machine is mainly used in the production plastic foam, in the plastic foam production technology, can foam to the plastic foam raw material according to product demand, thus the product after obtaining expanding.Plastic foam is every, and its volume will increase through one step foaming, and especially the plastic foam raw material is behind the process one step foaming, and the multiple that its volume increases is maximum.
The structural design of conventional foam prefoaming machine is reasonable inadequately at present; Generally there is the gap about 0.16mm between bin gate and the cylindrical shell; Because the particle diameter of plastic foam raw material is very tiny; The particle diameter of this plastic foam raw material is usually about 0.01mm; Make the foam prefoaming machine in fill process, the plastic foam raw material can spill from the gap location of bin gate, has not only wasted raw material; And bring greater inconvenience for the cleaning and the maintenance of foam prefoaming machine, reduced the overall performance of foam prefoaming machine.In addition; Doctor blade device design in the existing foam prefoaming machine is reasonable inadequately, and the ramming material that causes being positioned at foam prefoaming machine cylindrical shell bottom is difficult to scrape totally, makes the ramming material of cylindrical shell bottom tie thicker and thicker; The situation that scraper deflects even ruptures finally occurs, what influence was produced normally carries out.Also have, the structural design of the charge level control device in the foam prefoaming machine is reasonable inadequately at present, is difficult to conveniently, effectively detect the material level of barrel, thereby has reduced the quality of product.
Following patent all exists above-mentioned one or the defective more than two; As open day was on 05 12nd, 2010; Publication number is in the Chinese patent of CN201456322U; A kind of batch (-type) prefoaming machine is disclosed; This batch (-type) prefoaming machine comprises frame; The computer control cabinet; Feeding device; The foaming cylindrical shell; Steam pipework; Electronic weighing device and fluidizing drying bed; Feeding device is connected with electronic weighing device; Electronic weighing device is connected with the foaming cylindrical shell; The foaming cylindrical shell is connected with fluidizing drying bed; Steam pipework is positioned at outside the foaming cylindrical shell; There is pipeline to be connected with the foaming cylindrical shell; On steam pipework, be provided with angle pedestal valve and guide's pressure-reducing valve; Also can there be the situation of leaking material in this batch (-type) prefoaming machine, does not also relate in this patent the ramming material at the bottom of being positioned at barrel to be scraped clean doctor blade device.And for example open day is on 05 18th, 2011; Publication number is in the Chinese patent of CN201832950U; A kind of full-automatic clearance-type prefoaming machine is disclosed; This full-automatic clearance-type prefoaming machine comprises housing; Heat-conducting medium; Steam pipework; Discharge pipe line; Screen cloth; The chassis; Agitating device; Decelerator and variable-frequency motor; Housing is a sandwich; Enclosure interior is filled with heat-conducting medium; The chassis of housing is that hollow structure is connected with steam pipework respectively; Right compression conduit and discharge pipe line; The housing inner surface on chassis is evenly distributed with screen cloth; The top arrangement of housing has variable-frequency motor; Connect with agitating device in the housing through decelerator; Machinery in this full-automatic clearance-type prefoaming machine adopts PLC Programmable Logic Controller and touch-screen; Automatic charging; Electronic-weighing; Temp autocontrolled and the control of photoelectricity material level etc. realize fully-automatic production, still; Can have the situation of leaking material in this patent, it does not relate to yet and the ramming material at the bottom of being positioned at barrel can be scraped clean doctor blade device yet.Open for another example day is on 05 24th, 2006; Publication number is in the Chinese patent of CN1775500; A kind of batch type pre-frothing machine is disclosed; Connection second time of foaming proportioning device and raw material are brought in the circle tube of sealing on the foaming barrel of this batch type pre-frothing machine; Realize the feed appliance of total head feeding again with blower fan; The ventilation bar that is arranged between the air chamber sheet frame is small top and big bottom " wedge shape "; Can have the situation of leaking material in this patent, it does not relate to yet and the ramming material at the bottom of being positioned at barrel can be scraped clean doctor blade device yet.
In sum, also there is not a kind of reasonable in design at present, dependable performance, the bucket end, can ramming material, and the foam prefoaming machine of material phenomenon can not appear leaking in bin gate.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency that exists in the prior art, and a kind of reasonable in design is provided, dependable performance, the bucket end, can ramming material, and the foam prefoaming machine of material phenomenon can not appear leaking in bin gate.
The present invention addresses the above problem the technical scheme that is adopted: this foam prefoaming machine comprises frame; Feeding device; Cylindrical shell; Bin-gate device; Charge level control device; Doctor blade device; Blowdown apparatus; Agitating device; Electric box; Steam pipework and compressed air line; Said cylindrical shell and electric box are installed on the frame; Said feeding device; Bin-gate device and charge level control device are installed on the cylindrical shell; Said doctor blade device is installed in the bottom of agitating device; This agitating device is installed in the cylindrical shell; Said doctor blade device matches with cylindrical shell; Said blowdown apparatus; Steam pipework all is connected with cylindrical shell with compressed air line; Its characteristics are: said doctor blade device comprises scrapes tool rest; The long scraper in a left side; Right long scraper; Preceding short scraper and the short scraper in back; The long scraper in a said left side all is fixed on right long scraper and scrapes on the tool rest, and said preceding short scraper all is fixed on the short scraper in back and scrapes on the tool rest.
Bin-gate device according to the invention comprises bin gate support, bin gate pull bar, bin gate body and high-pressure steam pipe; There is the gap between said bin gate body and the cylindrical shell; Said bin gate pull bar is installed on the bin gate support; Said bin gate body-fixed is on the bin gate pull bar; Be provided with the gas outlet in the said bin gate body; This gas outlet is connected with the gap; One end of said high-pressure steam pipe is connected on the bin gate body; This high-pressure steam pipe is connected with the gas outlet, and the other end of said high-pressure steam pipe is connected on the compressed air line.
Charge level control device according to the invention comprises sensor, No. two sensors and support body, and a said sensor and No. two sensors are installed on the support body, and the position at this sensor and No. two sensor places is positioned at sustained height.
The long scraper in a left side in the doctor blade device according to the invention, the short scraper in back, right long scraper and preceding short scraper are sequentially arranged in to be scraped on the tool rest, and the long scraper in this left side, the short scraper in back, right long scraper and preceding short scraper form " ten " font structure.
Have several preceding breach on the edge of a knife of the preceding short scraper in the doctor blade device according to the invention, have several back breach on the edge of a knife of the short scraper in said back.
Bin-gate device according to the invention also comprises guide post, and said guide post is fixed on the bin gate support, and said bin gate body is connected on the guide post.
Support body in the charge level control device according to the invention is " H " font structure.
No. two sensors in the charge level control device according to the invention are the infrared radiation inductor.
The present invention compared with prior art; Have the following advantages and effect: the material level in the foam prefoaming machine cylindrical shell that charge level control device can be accurate and effective detects; Make the degree of accuracy of issuance of materials reduce to the 0.1-0.2 grammes per square metre from per thousand milligrams of original 0.3-0.8 grammes per square metre errors; Improved the degree of accuracy of material grammes per square metre greatly; Effectively guarantee the grammes per square metre uniformity of formed package product and foam board product, improved the quality of product.The present invention detects the material level in the charging basket through a sensor and No. two sensors jointly, has improved the performance of charge level control device greatly, detects more stable.
The present invention can be positioned at the cylindrical shell bottom in rotating shaft ramming material scraped clean on every side easily through the short scraper in preceding short scraper in the doctor blade device and back; Guarantee that cylindrical shell bottom can ramming material; Improved operating efficiency; Guaranteed the normal operation of foam prefoaming machine; Reduce the dead material of foaming, improved the utilization rate of foaming raw material.The reasonable in design of doctor blade device of the present invention, scientific arrangement, dependable performance, the cylindrical shell bottom of effectively having guaranteed the foam prefoaming machine can ramming material, has significantly reduced the phenomenon that occurs dead material in the foaming process, has improved foaming efficient, has promoted the quality of foamed products.
Bin-gate device of the present invention simple in structure; Reasonable in design; Easy to use; Extraneous high steam can get into the bin gate body by high-pressure steam pipe; This high steam gets into the gap between Bin-gate device and the foam prefoaming machine cylindrical shell by the gas outlet in the bin gate body again; Promptly produce a high-pressure area in the gap between Bin-gate device and foam prefoaming machine cylindrical shell; Thereby can prevent effectively that the plastic foam raw material in the cylindrical shell from getting in the gap between Bin-gate device and the foam prefoaming machine cylindrical shell; Prevent that the phenomenon of material from appearring leaking in the foam prefoaming machine, improved the overall performance of foam prefoaming machine.
Description of drawings
Fig. 1 is the structural representation of foam prefoaming machine in the embodiment of the invention.
Fig. 2 is the structural representation of charge level control device in the embodiment of the invention.
Fig. 3 is the structural representation of charge level control device when work in the embodiment of the invention.
Fig. 4 is that the charge level control device in the embodiment of the invention is installed in the structural representation on the cylindrical shell.
Fig. 5 is the perspective view of doctor blade device in the embodiment of the invention.
Fig. 6 is the perspective view at another visual angle of doctor blade device in the embodiment of the invention.
Fig. 7 is that the doctor blade device in the embodiment of the invention is installed in the structural representation on the agitating device.
Fig. 8 is installed in the structural representation in the cylindrical shell with doctor blade device in the embodiment of the invention and agitating device.
Fig. 9 is the structural representation of the Bin-gate device in the embodiment of the invention.
Figure 10 is after the Bin-gate device in the embodiment of the invention is installed on the cylindrical shell, the structural representation when Bin-gate device is closed.
Figure 11 is after the Bin-gate device in the embodiment of the invention is installed on the cylindrical shell, the structural representation when Bin-gate device is opened.
The specific embodiment
Below in conjunction with accompanying drawing and through embodiment the present invention is done further detailed description, following examples are to explanation of the present invention and the present invention is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Figure 11; Foam prefoaming machine in the present embodiment comprises frame 1, feeding device 2, cylindrical shell 3, Bin-gate device 4, charge level control device 5, doctor blade device 6, blowdown apparatus 7, agitating device 8, electric box 91, steam pipework 92 and compressed air line 93; Wherein, cylindrical shell 3 is provided with the door 31 of showing on trial.
The Bin-gate device 4 of present embodiment comprises bin gate support 41, bin gate pull bar 42, bin gate body 43, high-pressure steam pipe 44 and guide post 45, and wherein, high-pressure steam pipe 44 can adopt the stainless steel manufacturing to form.
Bin gate pull bar 42 in the present embodiment is installed on the bin gate support 41, pushes away before this bin gate pull bar 42 can carry out on bin gate support 41 and the back pull action.Bin gate body 43 in the present embodiment is fixed on the bin gate pull bar 42, before can carrying out with bin gate pull bar 42, this bin gate body 43 pushes away and the back pull action, thus the operation of realization bin gate opening and closing.
Be provided with gas outlet 46 in the bin gate body 43 of present embodiment, have the gap between bin gate body 43 and the cylindrical shell 3, gas outlet 46 is connected with the gap.One end of high-pressure steam pipe 44 is connected on the bin gate body 43; This high-pressure steam pipe 44 is connected with gas outlet 46; The other end of high-pressure steam pipe 44 is connected with compressed air line 93; Make the gases at high pressure in the compressed air line 93 to get in the bin gate body 43 by high-pressure steam pipe 44; The gap that these gases at high pressure get between Bin-gate device 4 and the foam prefoaming machine cylindrical shell 3 by the gas outlet in the bin gate body 43 46; Promptly produce a high-pressure area in the gap between Bin-gate device 4 and foam prefoaming machine cylindrical shell 3; Thereby can prevent effectively that the plastic foam raw material in the cylindrical shell 3 from getting in the gap between Bin-gate device 4 and the foam prefoaming machine cylindrical shell 3, prevent that the phenomenon of material from appearring leaking in the foam prefoaming machine.
Guide post 45 in the present embodiment is fixed on the bin gate support 41; Bin gate body 43 is connected on the guide post 45; Make the mobile convenient of bin gate body 43; Bin gate body 43 can push away and the back pull action before guide post 45 carries out, and the coupling that helps between bin gate body 43 and the foam prefoaming machine cylindrical shell 3 is more accurate.
Bin-gate device 4 in the present embodiment is used to be installed in the cylindrical shell 3 of foam prefoaming machine, can effectively prevent to spill the gap of plastic foam raw material between Bin-gate device 4 and foam prefoaming machine cylindrical shell 3.
Charge level control device 5 in the present embodiment comprises sensor 51, No. two sensors 52 and support bodys 53, and wherein, support body 53 is " H " font structure.
A sensor 51 and No. two sensors 52 in the present embodiment are installed on the support body 53; The position at this sensor 51 and No. two sensor 52 places is positioned at sustained height; Promptly a sensor 51 and No. two sensors 52 and come on the sustained height are used to detect the material level of sustained height.
No. two sensors 52 in the present embodiment are for can adopt the infrared radiation inductor.
Charge level control device 5 in the present embodiment is used for the material level that is positioned at cylindrical shell 3 is detected and controls; During use; This charge level control device 5 is installed on the cylindrical shell 3; Jointly the detection thing 5 in the cylindrical shell 3 is detected through a sensor 51 and No. two sensors 52; When sensor 51 and No. two sensors 52 detect when detecting thing 5 jointly; Illustrate that the material level in the cylindrical shell 3 has arrived desired value; At this moment; With coherent signal pass to the foam prefoaming machine the system system; The foam prefoaming machine is out of service, and the detection thing 5 among the present invention is the foam beads of foaming.
Agitating device 8 in the present embodiment comprises rotating shaft 88 and several puddlers 89, and wherein, the radical of puddler 89 can be set according to actual needs, and the radical of this puddler 89 is usually between the 6-30 root.
Puddler 89 in the present embodiment is installed in the rotating shaft 88, and the rotation through rotating shaft 88 can drive puddler 89 and 88 rotate around the shaft, thereby the foamed material that is positioned at cylindrical shell 3 is stirred.
Have two preceding breach 66 on the edge of a knife of short scraper 64 before the present embodiment; Breach 67 after having two on the edge of a knife of the short scraper 65 in back; The short scraper 65 in short scraper 64 and back strikes off the effect of ramming material before helping like this improving; Can on the edge of a knife of preceding short scraper 64, have several preceding breach 66 according to actual needs among the present invention; On the edge of a knife of the short scraper 65 in back, have several back breach 67; Generally, the individual number average of preceding breach 66 and back breach 67 can be between 1-5.
The long scraper 62 in a present embodiment left side all is fixed on right long scraper 63 and scrapes on the tool rest 61; Preceding short scraper 64 also all is fixed on the short scraper 65 in back and scrapes on the tool rest 61; The long scraper in a left side 62, the short scraper 65 in back, right long scraper 63 and preceding short scraper 64 are sequentially arranged in to be scraped on the tool rest 61, the long scraper in this left side 62, back weak point scraper 65, the long scraper 63 in the right side and preceding short scraper 64 formation " ten " font structures.
Agitating device 8 in the present embodiment is used for the foamed material in the cylindrical shell 3 is stirred; Doctor blade device 6 in the present embodiment is used to strike off the ramming material of cylindrical shell 3 bottoms; During use; Puddler 89 carries out rotating with rotating shaft 88 and the foamed materials in the cylindrical shell 3 is stirred; The doctor blade device 6 that is installed in rotating shaft 88 lower ends rotates with rotating shaft 88; Under the effect of preceding short scraper 64 and the short scraper 65 in back; Cylindrical shell 3 bottoms can be positioned at rotating shaft 88 ramming material scraped clean on every side; Under the effect of long scraper 62 in a left side and right long scraper 63; Can be with the ramming material scraped clean of cylindrical shell 3 bottoms; Thereby guarantee that cylindrical shell 3 bottoms can ramming material, improved the overall performance of foam prefoaming machine.
The longer dimension of long scraper 62 in the left side in the doctor blade device 6 of the present invention and right long scraper 63; The long scraper 62 in this left side is mainly used in the ramming material that comprehensively strikes off cylindrical shell 3 bottoms with right long scraper 63; And preceding short scraper 64 is shorter with the size of the short scraper 65 in back, and short scraper 64 and the short scraper 65 in back are mainly used in and strike off cylindrical shell 3 bottoms and be positioned at the ramming material around the rotating shaft 88 before this.The longer dimension of long scraper in the left side among the present invention 62 and right long scraper 63, thus in title titled with " length " word, and preceding short scraper 64 with after the size of weak point scraper 65 shorter, so in title titled with " weak point " word.
In addition, need to prove, the specific embodiment described in this specification, its zero, the shape of parts, institute's title of being named etc. can be different, the above content described in this specification only is to illustrate what structure of the present invention was done.Allly conceive the equivalence that described structure, characteristic and principle do according to patent of the present invention and change or simple change, be included in the protection domain of patent of the present invention.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; Only otherwise depart from structure of the present invention or surmount the defined scope of these claims, all should belong to protection scope of the present invention.
Claims (8)
1. foam prefoaming machine; Comprise frame; Feeding device; Cylindrical shell; Bin-gate device; Charge level control device; Doctor blade device; Blowdown apparatus; Agitating device; Electric box; Steam pipework and compressed air line; Said cylindrical shell and electric box are installed on the frame; Said feeding device; Bin-gate device and charge level control device are installed on the cylindrical shell; Said doctor blade device is installed in the bottom of agitating device; This agitating device is installed in the cylindrical shell; Said doctor blade device matches with cylindrical shell; Said blowdown apparatus; Steam pipework all is connected with cylindrical shell with compressed air line; It is characterized in that: said doctor blade device comprises scrapes tool rest; The long scraper in a left side; Right long scraper; Preceding short scraper and the short scraper in back; The long scraper in a said left side all is fixed on right long scraper and scrapes on the tool rest, and said preceding short scraper all is fixed on the short scraper in back and scrapes on the tool rest.
2. foam prefoaming machine according to claim 1; It is characterized in that: said Bin-gate device comprises the bin gate support; The bin gate pull bar; Bin gate body and high-pressure steam pipe; There is the gap between said bin gate body and the cylindrical shell; Said bin gate pull bar is installed on the bin gate support; Said bin gate body-fixed is on the bin gate pull bar; Be provided with the gas outlet in the said bin gate body; This gas outlet is connected with the gap; One end of said high-pressure steam pipe is connected on the bin gate body; This high-pressure steam pipe is connected with the gas outlet, and the other end of said high-pressure steam pipe is connected on the compressed air line.
3. foam prefoaming machine according to claim 1; It is characterized in that: said charge level control device comprises sensor, No. two sensors and support body; A said sensor and No. two sensors are installed on the support body, and the position at this sensor and No. two sensor places is positioned at sustained height.
4. according to claim 1 or 2 or 3 described foam prefoaming machines; It is characterized in that: the long scraper in the left side in the said doctor blade device, the short scraper in back, right long scraper and preceding short scraper are sequentially arranged in to be scraped on the tool rest, and the long scraper in this left side, the short scraper in back, right long scraper and preceding short scraper form " ten " font structure.
5. according to claim 1 or 2 or 3 described foam prefoaming machines, it is characterized in that: have several preceding breach on the edge of a knife of the preceding short scraper in the said doctor blade device, have several back breach on the edge of a knife of the short scraper in said back.
6. foam prefoaming machine according to claim 2 is characterized in that: said Bin-gate device also comprises guide post, and said guide post is fixed on the bin gate support, and said bin gate body is connected on the guide post.
7. foam prefoaming machine according to claim 3 is characterized in that: the support body in the said charge level control device is " H " font structure.
8. foam prefoaming machine according to claim 3 is characterized in that: No. two sensors in the said charge level control device are the infrared radiation inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284297.5A CN102350762B (en) | 2011-09-23 | 2011-09-23 | Pre-expansion machine of foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284297.5A CN102350762B (en) | 2011-09-23 | 2011-09-23 | Pre-expansion machine of foam |
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| Publication Number | Publication Date |
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| CN102350762A true CN102350762A (en) | 2012-02-15 |
| CN102350762B CN102350762B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110284297.5A Active CN102350762B (en) | 2011-09-23 | 2011-09-23 | Pre-expansion machine of foam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042252A (en) * | 2016-07-04 | 2016-10-26 | 安徽斯威达建材科技有限公司 | Full-automatic foam pre-generating machine |
| CN106113370A (en) * | 2016-08-17 | 2016-11-16 | 重庆市盛塑包装制品有限公司 | EPP pre-foaming machine |
| CN106113372A (en) * | 2016-08-17 | 2016-11-16 | 重庆市盛塑包装制品有限公司 | Foamed pot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749538A (en) * | 1980-09-10 | 1982-03-23 | Yoshihiko Seki | Preliminary expanding device for foamed styrene beads |
| CN101596764A (en) * | 2009-07-02 | 2009-12-09 | 杭州富阳东山塑料机械有限公司 | A kind of intermittent foam material sending machine |
| CN201456322U (en) * | 2009-03-05 | 2010-05-12 | 应惠芬 | Batch pre-foaming machine |
| CN202293160U (en) * | 2011-09-23 | 2012-07-04 | 杭州富阳东山塑料机械有限公司 | Foam pre-expander |
-
2011
- 2011-09-23 CN CN201110284297.5A patent/CN102350762B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749538A (en) * | 1980-09-10 | 1982-03-23 | Yoshihiko Seki | Preliminary expanding device for foamed styrene beads |
| CN201456322U (en) * | 2009-03-05 | 2010-05-12 | 应惠芬 | Batch pre-foaming machine |
| CN101596764A (en) * | 2009-07-02 | 2009-12-09 | 杭州富阳东山塑料机械有限公司 | A kind of intermittent foam material sending machine |
| CN202293160U (en) * | 2011-09-23 | 2012-07-04 | 杭州富阳东山塑料机械有限公司 | Foam pre-expander |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042252A (en) * | 2016-07-04 | 2016-10-26 | 安徽斯威达建材科技有限公司 | Full-automatic foam pre-generating machine |
| CN106113370A (en) * | 2016-08-17 | 2016-11-16 | 重庆市盛塑包装制品有限公司 | EPP pre-foaming machine |
| CN106113372A (en) * | 2016-08-17 | 2016-11-16 | 重庆市盛塑包装制品有限公司 | Foamed pot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102350762B (en) | 2014-07-09 |
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Denomination of invention: Drying system used in pre-foaming machine Effective date of registration: 20170328 Granted publication date: 20140709 Pledgee: Zhejiang Fuyang Rural Commercial Bank branch of the new Limited by Share Ltd Pledgor: Hangzhou Fuyang Dongshan Plastic Machinery Co., Ltd. Registration number: 2017990000247 |