CN101121288A - Method for promoting plastic additive distributing precision and device thereof - Google Patents
Method for promoting plastic additive distributing precision and device thereof Download PDFInfo
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- CN101121288A CN101121288A CNA2007100441057A CN200710044105A CN101121288A CN 101121288 A CN101121288 A CN 101121288A CN A2007100441057 A CNA2007100441057 A CN A2007100441057A CN 200710044105 A CN200710044105 A CN 200710044105A CN 101121288 A CN101121288 A CN 101121288A
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- constant volume
- feeding mouth
- additive
- reclaimed materials
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Abstract
The present invention relates to a method and a device for improving the plastic additive proportion precision; constant volume gages are taken as the chief gage for proportioning mixture material and volumetric meters are taken as the metering gage of additive; the side wall of the volumetric meter is equipped with an additive special feeding port which is equipped with the volumetric gage and the side wall of the mixer is equipped with a return feeding port which is equipped with the constant volume gage; additives participating in proportioning are delivered to the chief gage after being measured by the volumetric gage and then the chief gage is filled with the main material; the reclaimed materials which do not participate in proportioning is directly delivered to the mixer cavity to mix with the main materials containing additives; materials are put into use after the materials are evenly mixed. The part near top and bottom of every constant volume gage is designed of the inclined structure which is convenient for filling and discharging and the present invention can ensure the accurate addition and repeated proportioning each time; the present invention boasts of high-precision proportion and even mixing which is beneficial to ensuring the quality of processed products and promoting the product qualification rate and total productivity.
Description
Technical field
The present invention relates to a kind of technical field of plastic, the method and the device thereof of particularly a kind of raising plastic additive (comprising the look mother) distributing precision.
Background technology
At present in the processing and manufacturing of plastic products, it is a daily job task that multiple feed particulate material is carried out re-using after the proportioning.Need be when in a certain major ingredient, adding one or several additive auxiliary materials usually by metering device, volumetric meter is because its low price, and is practical and obtain widely-used.Existing volumetric meter uses with following two kinds of working methods morely:
First kind) be that volumetric meter directly is mounted on device of plastic processing (as injection machine, extruder etc.) on the feeding mouth, normally earlier reclaimed materials (the pulverizing material after product or leftover pieces are pulverized) passing ratio valve is added in the major ingredient by expense, and then look mother or other additives are joined in the major ingredient that is mixed with reclaimed materials by volumetric meter.Because volumetric meter need be connected work with the injection machine communication, therefore the rotation of volume type metering screw is that rotation with screw in injection molding machine starts simultaneously and stops when measuring, there is the transition stage of acceleration and deceleration in the screw rod of volume type instrument when metering simultaneously, cause its metering especially inaccurate in the acceleration and deceleration stage, simultaneously because the measuring accuracy of volumetric meter itself is not high, and there is not the stirring facility, therefore not only distributing precision is low, and mixed raw material layering is obvious, batching promptly directly drops into without full and uniform mixing and uses, and converted products one by one, will certainly influence the actual proportional quantity of each component in the product to a certain extent, thereby influence the stability of product quality.
Second kind) be to be provided with mixer (or claiming batch mixer) increasing below the volumetric meter and between the feeding mouth of process equipment, earlier reclaimed materials passing ratio valve is added in the major ingredient by rated capacity, again look mother or other additives are added in the major ingredient passage after volumetric meter is by the rated capacity metering, drop to simultaneously and mixed the back in the mixer chamber for the process equipment application, though efficiently solve the mixed problem between look mother or additive and major ingredient and reclaimed materials, but owing to adopt proportioning valve to add reclaimed materials, raw material and reclaimed materials are to enter in the mixer in batches, and because what adopt is the instant mode of operation that direct blanking is used that stirs, therefore also exist and mix uneven problem, the inconsistent situation of content ratio of reclaimed materials in each product very easily takes place, especially in precise injection molding, tending to cause certain product may be based on the virgin material composition, and certain product is based on the reclaimed materials composition, thereby cause the physical property difference between product very big, cause product quality to be difficult to guarantee.
In a word, employed distribution is not quite reasonable in plastics are made at present, and the lack of homogeneity of mix, distributing precision are very low, therefore can not satisfy the product quality requirement of the plastic products that improve day by day.
Summary of the invention
The objective of the invention is to provide a kind of method and device thereof that helps to guarantee plastic products quality stability and improve the raising plastic additive distributing precision of finished product rate.
The method of raising plastic additive distributing precision of the present invention is to be total metering container of proportioning compound with the constant volume type meter with rated capacity function, with the volumetric meter is the metrical instrument of limiting the quantity of of additive, by on the sidewall of constant volume type meter according to the kind quantity of additive, corresponding special-purpose feeding mouth is set, and on described special-purpose feeding mouth, install respectively volumetric meter is set, the reclaimed materials feeding mouth is set on the nearly upper position of mixer sidewall of the following charged control pumping board that is provided with between the feeding mouth of the discharging opening of constant volume type meter and process equipment, increasing, and installation setting has the method for the reclaimed materials constant volume device of rated capacity on described this reclaimed materials feeding mouth, the additive that need to participate in proportioning is added in the constant volume type meter after with specified limiting the quantity of by special-purpose separately volumetric meter respectively earlier, in the constant volume type meter, add major ingredient then till be full of whole constant volume device, the reclaimed materials that does not need to participate in proportioning directly adds in the mixer chamber by the specified back of limiting the quantity of of reclaimed materials constant volume device, mix with the major ingredient that includes additive, after mixer is mixed all, supply again to come into operation.
Apparatus main body based on the raising plastic additive distributing precision of the inventive method is made up of constant volume type meter and mixer, be characterised in that the sidewall of constant volume type meter is provided with the special-purpose feeding mouth of various plastic additives, and described each special-purpose feeding mouth is provided with volumetric meter; Be provided with reclaimed materials inlet on the nearly upper portion side wall of described mixer as required, and described reclaimed materials inlet is provided with reclaimed materials constant volume device, exterior side wall is provided with material acquisition sensor and electric controller.Wherein: also be provided with electric-controlled type discharging pumping board on the bottom feed opening of described constant volume type meter, also be provided with electric-controlled type charging pumping board on the feeding mouth of top, feeding mouth top, top also is provided with the major ingredient storage warehouse, and the chamber wall setting of interior nearly top of cavity and nearly bottom is to be convenient to fully fill up expects and the skewed of material of thoroughly unstowing; Comprise on the described volumetric meter and be provided with additive storage warehouse and discharge controller; Comprise on the described reclaimed materials constant volume device and be provided with the electric-controlled type discharging pumping board that is positioned at the bottom, be positioned at the electric-controlled type blowing pumping board on the feeding mouth of top and be positioned at the reclaimed materials storage warehouse of top feeding mouth top, the chamber wall setting of nearly top and nearly bottom is and is convenient to fully fill up the material and the skewed of material of thoroughly unstowing in the cavity.
In addition, described constant volume type meter can be rated capacity selective specification series product, the special-purpose feeding mouth that is provided with on its sidewall both can be provided with by the actual kind quantity of additive is corresponding, also can be provided with can be a plurality of for what select for use, an additive that is connected with the additive formulations mouth of a plurality of volumetric meters respectively still can only be set on sidewall gather feeding mouth; Described reclaimed materials constant volume device both can be arranged to volume adjustable, also can be arranged to the specification series product that can Gong select for use; Described volumetric meter also can replace with weighing formula gauge.
During work, cooperate the coordination according to the order of sequence of each object of control by material acquisition sensor and electric controller: close top electric-controlled type charging pumping board on the constant volume type meter and the electric-controlled type discharging pumping board on the bottom earlier, additive in the various additive storage warehouses is added in the constant volume type meter chamber by special-purpose feeding mouth by rated capacity by the control of the discharge controller on the volumetric meter, open the top electric-controlled type charging pumping board of major ingredient constant volume type meter then, this moment major ingredient freely fall into, till being full of whole constant volume device; Close the electric-controlled type discharging pumping board on the reclaimed materials constant volume device bottom again, open the electric-controlled type blowing pumping board on the top feeding mouth on the reclaimed materials constant volume device, the reclaimed materials free-falling is till be full of whole constant volume device, close the electric-controlled type blowing pumping board on the feeding mouth of top then, open the electric-controlled type discharging pumping board on the bottom, reclaimed materials enters in the mixer chamber; Open the electric-controlled type discharging pumping board on the constant volume type meter bottom then, all materials in the constant volume type meter all fall in the mixer chamber, and mixer is carried out the blowing action of stirring with thereafter according to control instruction.
Improve the method and the device thereof of plastic additive distributing precision based on the present invention of above-mentioned design, owing to adopted various plastic additives to store the method for adding respectively with independent measure control, constant volume device inner chamber is arranged for ease of the ramp-like configuration form of fully filling up with thorough discharging, and all the batching all after stirring for uses such as injection machine or extruders, can guarantee accuracy and each repeatability of preparing burden of addition separately, thereby distributing precision height, help guaranteeing the quality of later process product processed, simultaneously also help improving the qualification rate and the overall manufacturing efficient of product, can effectively avoid taking place such as often have in the prior art because the less economical undesirable condition of wasting manpower and material resources such as low unstable product quality that causes of material proportion imbalance or distributing precision and percent defective height and financial resources, thereby has significant technical advance and the practicality of working, and apparatus structure is simple, method is effective, have very strong operability, will have wide market application prospect.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the embodiment of the invention;
Fig. 2 is the internal structure schematic diagram of constant volume device in the embodiment of the invention.
Among the figure:
1. constant volume type measuring container 2. mixers 3. sidewalls 4. special-purpose feeding mouths
5. volumetric meter 6. nearly upper portion side wall 7. reclaimed materials 8. reclaimed materials constant volume devices that enter the mouth
9. material-height exploring sensor 10. electric controllers 11. additive storage warehouses 12. discharge controllers
13. reclaimed materials bottom feed opening 14. electric-controlled type discharging pumping boards 15. reclaimed materials top feeding mouths
16. electric-controlled type blowing pumping board 17. reclaimed materials storage warehouses 18. constant volume devices bottom feed opening
19. electric-controlled type discharging pumping board 20. constant volume device top feeding mouths 21. electric-controlled type charging pumping boards
22. major ingredient storage warehouse 23. is skewed
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and exemplary embodiments.
In Fig. 1 and Fig. 2, the apparatus main body of raising plastic additive distributing precision of the present invention is made up of constant volume type meter 1 with rated capacity and mixer 2, be characterised in that: the 3 special-purpose feeding mouths 4 that are provided with plastic additive on the sidewall of constant volume type meter 1, and described special-purpose feeding mouth 4 is provided with volumetric meter 5; Be provided with reclaimed materials inlet 7 on the nearly upper portion side wall 6 of described mixer 2 as required, and described reclaimed materials inlet 7 is provided with reclaimed materials constant volume device 8, also is provided with material-height exploring sensor 9 on the exterior side wall 6.Electric controller 10 is arranged on the side of mixer.Wherein: comprise on the described volumetric meter 5 and be provided with additive storage warehouse 11 and discharge controller 12; Comprise on the described reclaimed materials constant volume device 8 and be provided with the electric-controlled type discharging pumping board 14 that is positioned on the feed opening 13 of bottom, be positioned at electric-controlled type blowing pumping board 16 and the reclaimed materials storage warehouse 17 that is arranged on top feeding mouth 15 tops on the top feeding mouth 15, the chamber wall setting on every side that is positioned at nearly top feeding mouth 15 and nearly bottom feed opening 13 is to be convenient to fully fill up expects and skewed 23 of the material of thoroughly unstowing; The bottom blanking 18 of described constant volume type meter 1 is provided with electric-controlled type discharging pumping board 19, top feeding mouth 20 is provided with electric-controlled type charging pumping board 21, feeding mouth 20 tops in top also are provided with major ingredient storage warehouse 22, and the chamber wall setting on every side of the interior nearly top of cavity feeding mouth 20 and nearly bottom feed opening 18 is is convenient to fully fill up the material and skewed 23 of the material of thoroughly unstowing.
During work, close electric-controlled type discharging pumping board 14 and electric-controlled type charging pumping board 21 on the constant volume type meter 1 earlier, additive in the various additive storage warehouses 11 adds in the chamber of constant volume type meter 1 by 12 controls of discharge controller by rated capacity, open the top electric-controlled type charging pumping board 21 of constant volume type meter 1 then, major ingredient free-falling this moment, until being full of entire container.Because chamber wall setting is skewed 23 around the top feeding mouth 20 of constant volume type meter 1 and the bottom feed opening, can guarantee always to add the uniformity and the reliability of the amount of coming into operation at every turn of the cumulative volume of pan feeding at every turn.Close the electric-controlled type discharging pumping board 19 of reclaimed materials constant volume device 8 belows earlier with same method, open the electric-controlled type blowing pumping board 16 on the top feeding mouth 15, reclaimed materials freely falls in the chamber of reclaimed materials constant volume device 8 and is full of entire container, close electric-controlled type blowing pumping board 16 again, open electric-controlled type discharging pumping board 19, reclaimed materials promptly falls in the chamber of mixer 2; Open electric-controlled type discharging pumping board 14 at last, the whole compounds in the constant volume type meter 1 fall in the chamber of mixer 2 naturally, and mixer is carried out by instruction and stirred and to the action of device of plastic processing feed.
Representative instance is introduced
During concrete the application, the kind quantity of the volumetric meter quantity that is provided with on the sidewall of constant volume type meter 1 used additive during with production is relevant.For example: a certain plastics factory need process a cosmetics plastic bottle closure, the material composition of bottle cap comprises: talcum powder (a, additive, bulk density position 0.8kg/L), ABS plastic particle (b, major ingredient, bulk density is 0.65kg/L), Masterbatch (c, additive, bulk density is 0.7kg/L), pulverize reclaimed materials (d, bulk density is approximately 0.3-0.5kg/L, bulk density can be because varying in size of pulverized particles and difference), mass percent is: a: b: c=3: 95: 2, product weight was 100 grams.(remarks: talcum powder is in order to increase the light of product surface, ABS is a major ingredient, Masterbatch is that dyeing is used to product, reclaimed materials is meant the material after leftover pieces and a part of underproof product are pulverized, therefore the adding proportion of reclaimed materials can not have influence on a in the product, b, the mass percent of c), according to design of the present invention, special-purpose feeding mouth 4 and two volumetric meters 5 of two plastic additives should be set on the sidewall 3 of constant volume type meter 1, use for being metered into talcum powder and Masterbatch respectively.Reclaimed materials constant volume device 8 can be provided with as required, and whether whether concrete setting be and use reclaimed materials relevant.
Claims (5)
1. method that improves plastic additive distributing precision, it is characterized in that with constant volume type meter being total metering container of proportioning compound with rated capacity, with the volumetric meter is the metrical instrument of limiting the quantity of of additive, by on the sidewall of constant volume type meter according to the kind quantity of additive, corresponding special-purpose feeding mouth is set, and on described special-purpose feeding mouth, install respectively volumetric meter is set, the reclaimed materials feeding mouth is set on the nearly upper position of mixer sidewall of the following charged control pumping board that is provided with between the feeding mouth of the discharging opening of constant volume type meter and process equipment, increasing, and installation setting has the method for the reclaimed materials constant volume device of rated capacity on described this reclaimed materials feeding mouth, after being limited the quantity of with specified dosage by special-purpose separately volumetric meter respectively earlier, the additive that needs the participation proportioning is added in the constant volume type meter, in the constant volume type meter, add major ingredient then till be full of whole constant volume device, the reclaimed materials that does not need to participate in proportioning directly adds in the mixer chamber by the specified back of limiting the quantity of of reclaimed materials constant volume device, mix with the major ingredient that includes additive, after mixer is mixed all, supply again to come into operation.
2. device that improves plastic additive distributing precision, form by constant volume type meter (1) with rated capacity function and mixer (2), it is characterized in that: (3) are provided with the special-purpose feeding mouth (4) of the plastic additive of the long-pending formula gauge (5) of upper belt body on the sidewall of described constant volume type meter (1), bottom feed opening (18) is provided with electric-controlled type discharging pumping board (19), top feeding mouth (20) is provided with electric-controlled type charging pumping board (21) and major ingredient storage warehouse (22), and the chamber wall setting of interior nearly top feeding mouth (20) of cavity and nearly bottom feed opening (18) is skewed (23) of being convenient to fully fill up the material and the material of thoroughly unstowing; Be provided with reclaimed materials inlet (7) and material-height exploring sensor (9) and the electric controller (10) of taking back rewinding constant volume device (8) on the nearly upper portion side wall (6) of described mixer (2) as required.
3. the device of raising plastic additive distributing precision according to claim 2 is characterized in that comprising on the described volumetric meter (5) and is provided with additive storage warehouse (11) and discharge controller (12).
4. the device of raising plastic additive distributing precision according to claim 2, it is characterized in that comprising on the described reclaimed materials constant volume device (8) and be provided with the electric-controlled type discharging pumping board (14) that is positioned on bottom feed opening (13), be positioned at the electric-controlled type blowing pumping board (16) on the top feeding mouth (15) and be arranged on the reclaimed materials storage warehouse (17) of top feeding mouth (15) top, be positioned at nearly top feeding mouth (15) and nearly bottom feed opening (13) around chamber wall setting be and be convenient to skewed (23) fully filling up material and thoroughly unstow and expect.
5. the device of raising plastic additive distributing precision according to claim 2 is characterized in that described volumetric meter (5) replaces with the meterage in weighting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100441057A CN100509331C (en) | 2007-07-23 | 2007-07-23 | Method for promoting plastic additive distributing precision and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100441057A CN100509331C (en) | 2007-07-23 | 2007-07-23 | Method for promoting plastic additive distributing precision and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101121288A true CN101121288A (en) | 2008-02-13 |
| CN100509331C CN100509331C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100441057A Expired - Fee Related CN100509331C (en) | 2007-07-23 | 2007-07-23 | Method for promoting plastic additive distributing precision and device thereof |
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| Country | Link |
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| CN (1) | CN100509331C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063262A (en) * | 2013-01-06 | 2013-04-24 | 江苏建华新型墙材有限公司 | Equipment and method for measuring volume of solid raw materials in wall materials |
| CN106113304A (en) * | 2016-07-11 | 2016-11-16 | 松源机械制造有限公司 | A kind of bottle particle automatic Weighing batch mixer processed |
| CN106669485A (en) * | 2017-02-09 | 2017-05-17 | 安徽菲扬农业科技有限公司 | Manger capable of distributing feed |
| CN112643917A (en) * | 2020-12-20 | 2021-04-13 | 宜昌华悦光电科技有限公司 | Agitating unit is used in resin lens production of according to ratio continuous feed |
-
2007
- 2007-07-23 CN CNB2007100441057A patent/CN100509331C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063262A (en) * | 2013-01-06 | 2013-04-24 | 江苏建华新型墙材有限公司 | Equipment and method for measuring volume of solid raw materials in wall materials |
| CN106113304A (en) * | 2016-07-11 | 2016-11-16 | 松源机械制造有限公司 | A kind of bottle particle automatic Weighing batch mixer processed |
| CN106669485A (en) * | 2017-02-09 | 2017-05-17 | 安徽菲扬农业科技有限公司 | Manger capable of distributing feed |
| CN112643917A (en) * | 2020-12-20 | 2021-04-13 | 宜昌华悦光电科技有限公司 | Agitating unit is used in resin lens production of according to ratio continuous feed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100509331C (en) | 2009-07-08 |
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