CN201120712Y - Engineering plastic special-shaped section bar extruding-forming device - Google Patents
Engineering plastic special-shaped section bar extruding-forming device Download PDFInfo
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- CN201120712Y CN201120712Y CNU2007200590057U CN200720059005U CN201120712Y CN 201120712 Y CN201120712 Y CN 201120712Y CN U2007200590057 U CNU2007200590057 U CN U2007200590057U CN 200720059005 U CN200720059005 U CN 200720059005U CN 201120712 Y CN201120712 Y CN 201120712Y
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- divergent die
- extrusion molding
- engineering plastics
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Abstract
The utility model discloses an engineering plastic profile extrusion forming device, which comprises a mouth die and a forming die, and also comprises a flow splitting die, and the mouth die, the forming die and the flow splitting die are tightly butt jointed together in a mechanical connection way; the number of the material splitting opening of the flow splitting die and the forming opening of the forming die respectively are two or more than two, and the material splitting openings and the forming openings are mutually correspondent. The engineering plastic profile extrusion forming device adopts the structure that the flow splitting die is arranged between the mouth die and the forming die, therefore, the emptying section is eliminated, the one die and multi-output production method is realized, not only the consistency and the stability of the production process are guaranteed, the quality and performance of products are improved, but also the disassembly is convenient, the manpower and the material resources are reduced, and the production efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of production equipment of engineering plastics profile shapes, relates in particular to the horizontal directly to extrusion molding apparatus of a kind of engineering plastics profile shapes.
Background technology
Extrusion technology is a kind of method that plastics are made processing industry.Develop rapidly under the situation that production increases with novel polymer material in plastics industry,, promoted the development of extrusion technology more in conjunction with the computer monitoring The Application of Technology.In plastic processing industry total output, the extrusion molding process technology is occupied crucial position, and its product has been widely used in industries such as machinery, chemical industry, automobile, post and telecommunications, building, household electrical appliance, toy.
In the extrusion molding production process, the heat that heater is produced by heat conduction is passed to the material in the barrel, and temperature rises and reaches melt temperature, and the screw rod in the machine run, barrel rotates, thereby material is fed forward.Material in the process of motion with screw rod, barrel and material and material between mutual friction mutually, shearing, thereby produce a large amount of heat, add the acting in conjunction of heater, the feasible continuous fusion of material that adds, the material of fusion continuously, stably are transported in the mouth mould with definite shape.The material through port mould that is in flow regime enters stock mould, enters the cooling and shaping device at last again, thereby material is simultaneously solidified, and one side keeps set shape.
At present, by extrusion technology production be base-material, glass fibre heat insulating strip with nylon 66 as strengthening material, mainly use on aluminum alloy doors and windows.Because its energy conservation characteristic and other performances are remarkable, thereby become heat insulation section ideal and well sold and in short supply on the present construction market.And in process of production, how implement its transversely arranged in extrusion forming process according to the lateral stressed direction of heat insulating strip, be the important measures that improve the heat insulating strip transverse strength.If ignore this important step, the glass fibre of leaving is vertically arranged naturally along the direction of extrusion, has so just strengthened intensity longitudinally, and lateral stressed just can not get of heat insulating strip key guarantees.
In addition, at processing thermal sensitivity engineering plastics, particularly during nylon 66, because it is very responsive to temperature, and in process, generally need adding glass fibre or unclassified stores with improved characteristics, mobile very poor because of material, abrasiveness is also very big, so this product to the requirement of processing technology than higher.With regard to present production technology, as Fig. 1, Fig. 2 and shown in Figure 3, a mouthful mould 1 separates with stock mould 3, has an emptying section " D " between the two.Like this, melt flows out from mouth mould 1 and through behind the segment distance, enters stock mould 3 under the effect of tractive force.Because the unexpected variation of extraneous factor, materials flow in emptying section " D " will inevitably be too much or very few, add some material uneven thickness, have bubble or the like, the amplitude of its expansion is also different, thereby causes melt after traction enters the stock mould typing, the product density inequality of coming out, the density deficiency, shrink the rear surface poor quality, dimensional accuracy is not high yet, and transverse strength is not enough.In addition, the product that comes out after stock mould is finalized the design directly cools off water, causes product suction back deliquescing and influences quality.Therefore, the existing manufacturing technique technology is difficult to guarantee quality and every performance requirement of product.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of rational in infrastructure, convenient disassembly is provided, can guarantees the engineering plastics profile shapes extruding-out and shape-fixating machine of continuity with the stability of production process, to improve the quality and the performance of product, reduce human and material resources, enhance productivity.
The purpose of this utility model is achieved by the following technical programs:
A kind of engineering plastics profile shapes extrusion molding apparatus that the utility model provides comprises mouthful mould and stock mould, comprises divergent die in addition, and described mouthful of mould, divergent die are in the same place with the closed butt joint of mechanical connection form successively with stock mould; The sub-material mouth of described divergent die and the typing mouth of stock mould are more than two or two, and corresponding mutually.The utility model is provided with divergent die between mouth mould and stock mould, thereby has cancelled the emptying section, and has realized the mode of production that a mould has more, and has not only guaranteed the continuity and the stability of production process, also can increase substantially production efficiency.
The utility model also can be taked following further measure: the discharging opening of described mouthful of mould is positioned at mouthful both sides of mould charging hole feedstock direction, and it is elongated, make melt in the mouth mould, be split evenly, and mouthful mould discharging opening has the effect of pressure regulation break-in, melt is turned to and dispersive pressure; The plup inlet of described divergent die is corresponding with the discharging opening of mouthful mould; The plup inlet of divergent die is more than two or two, and each plup inlet has at least two sub-material mouths corresponding with its connection respectively, thereby realizes the further shunting of melt, does last preparation for entering stock mould.
For better adjusting the trend of raw material melt, to change raw-material inherent physical property, the discharging opening of described in the utility model mouthful of mould can be horizontal strip; Be communicated with corresponding sub-material mouth with same plup inlet in the described divergent die and go to upper and lower arrangement.Thereby glass is more reasonably evenly distributed, help improving the density and the lateral pull of product.
The utility model also comprises cooling system, and this cooling system is enclosed within the outside of described stock mould, with the uniformity of raising cooling, thus performance indications such as the linearity of raising extruded product, physical dimension, intensity, hardness.Specifically can take following measure: described cooling system comprises fixed slot frame, cooling water pipe and vacuum orifice; Described stock mould has more than two or two and is inserted in side by side in the fixed slot frame, and cooling water pipe is around the outside of stock mould, and vacuum orifice is positioned at an end of cooling water pipe; Described each stock mould is independent, detachable individuality.The method that the utility model vacuumizes by utilization is cooling water moment product in the cooling and shaping mould equably, avoided directly cooling and cause the phenomenon of product suction back deliquescing in water of product, helps improving the quality of product.Because stock mould is independent, detachable individuality, therefore when producing different products, change corresponding stock mould and get final product, and when defectiveness in the die cavity of certain shaper or wear and tear than greatly the time, can change separately and be unlikely to the whole series and scrap.
Because the thermal sensitivity engineering plastics are very sensitive to temperature, between divergent die described in the utility model for this reason and the stock mould with heat insulation and reduce heat conducting mode and contact and be connected, to reduce the contact area between stock mould and the divergent die as far as possible, reduce the purpose that heat conducts thereby reach.At this moment, the profiling boss structure can be adopted in the junction of described divergent die and stock mould.Described profiling boss can be positioned on the end face of described divergent die sub-material mouth, is an integral body with divergent die; Also can be positioned on the contact end face of described stock mould.
For making things convenient for the loading and unloading between each parts and fixing, described in the utility model mouthful of mould, divergent die and stock mould are independently individuality, connect with removably.
The utlity model has following beneficial effect:
(1) all mould closed butt joints have been cancelled the emptying section together, have reduced the unexpected rate of change of extraneous factor, have guaranteed the continuity and the stability of production process, help improving the quality of products.The workman is simple to operate, and energy consumption is low.
(2) one times patrix can be produced many products simultaneously, has realized that a mould has more, and has increased substantially production efficiency.When defectiveness in the die cavity of certain stock mould or wearing and tearing are big, can change separately and be unlikely to the whole series and scrap.Greatly reduce the complexity of producing, reduced production cost.
(3) contact-making surface of stock mould and divergent die adopts the profiling boss structure, can reduce both contacts area as far as possible, reduces the heat conduction between divergent die and the stock mould greatly, helps improving the stability of production and the performance and the quality of product.
(4) reasonably that product and water is isolated in when cooling, solve product that existing manufacturing technique brings fully and when cooling off, be immersed in drawback in the water.
(5) solved density deficiency, the lateral pull performance substandard problem of existing manufacturing technique to product.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail:
Fig. 1 is the sectional view of mouthful mould in the prior art;
Fig. 2 is the sectional view of stock mould in the prior art;
Fig. 3 is A-A, the B-B profile among Fig. 1 and Fig. 2;
Fig. 4 is the assembling schematic diagram of each parts of the utility model embodiment;
Fig. 5 is the end view drawing of mouthful mould exit side among the utility model embodiment;
Fig. 6 is the end view drawing of divergent die feed side among the utility model embodiment;
Fig. 7 is the C-C profile of Fig. 6;
Fig. 8 is the end view drawing of stock mould among the utility model embodiment;
Fig. 9 is the structural representation of cooling system among the utility model embodiment.
Among the figure: mouthful mould 1, charging hole 11, discharging opening 12, divergent die 2, plup inlet 21, sub-material mouth 22, stock mould 3, typing mouth 31, cooling system 4, fixed slot frame 41, cooling water pipe 42, vacuum orifice 43, profiling boss 5, bolting hole 6, emptying section D
The specific embodiment
Fig. 4～Figure 9 shows that embodiment of the present utility model.As shown in Figure 4, comprise mouthful mould 1, divergent die 2, stock mould 3 and cooling system 4.
As shown in Figure 5, the discharging opening 12 of mouthful mould 1 has two, and symmetry is positioned at the both sides of its charging hole 11 feedstock directions, and all is horizontal strip.
Divergent die 2 has two or more, respectively the discharging opening 12 of corresponding mouthful mould 1.As shown in Figure 6, divergent die 2 has 2-160 plup inlet 21, and docks with the discharging opening 12 of mouth mould 1.As shown in Figure 7, each plup inlet 21 of divergent die 2 all has upper and lower two sub-material mouths 22 corresponding with its connection, and the end face of sub-material mouth 22 is provided with profiling boss 5, is an integral body (profiling boss 5 also can be positioned at contacting on the end face of stock mould 3) with divergent die.
As shown in Figure 8, stock mould 3 has upper and lower two typing mouths 31, and is corresponding with the sub-material mouth 22 of divergent die 2, and by 5 butt joints of profiling boss.
As shown in Figure 9, cooling system 4 comprises fixed slot frame 41, cooling water pipe 42 and vacuum orifice 43.Each stock mould 3 is independent, detachable individuality, is plugged in side by side in the fixed slot frame 41.Cooling water pipe 42 is around the outside of stock mould 3, and vacuum orifice 43 is positioned at the upper end of cooling water pipe 42.
During assembling, mouth mould 1 is alignd with divergent die 2, tighten by bolting hole 6 usefulness bolts.Stock mould 3 is inserted in 4 li of cooling systems side by side, is contained in together then on the divergent die 2, cooling system 4 and divergent die 2 usefulness bolts are connected and fixed by bolting hole 6; Contact and dock with profiling boss 5 between stock mould 3 and the divergent die 2, with proof strength and effectively reduce the heat conduction.Like this, mouthful mould 1, divergent die 2, stock mould 3 and cooling system 4 just closed butt joint are in the same place, thereby realize stable continuous production.
Claims (10)
1, a kind of engineering plastics profile shapes extrusion molding apparatus comprises a mouthful mould (1) and stock mould (3), it is characterized in that: also comprise divergent die (2), described mouthful of mould (1), divergent die (2) and stock mould (3) are successively with the closed butt joint of mechanical connection form together; The sub-material mouth (22) of described divergent die (2) and the typing mouth (31) of stock mould (3) are more than two or two, and corresponding mutually.
2, engineering plastics profile shapes extrusion molding apparatus according to claim 1 is characterized in that: the discharging opening (12) of described mouthful of mould (1) is positioned at mouthful both sides of mould charging hole (11) feedstock direction, and elongated; The plup inlet (21) of described divergent die (2) is corresponding with the discharging opening (12) of mouthful mould; The plup inlet (21) of divergent die (2) is more than two or two, and each plup inlet (21) has at least two sub-material mouths (22) corresponding with its connection respectively.
3, engineering plastics profile shapes extrusion molding apparatus according to claim 2 is characterized in that: the discharging opening (12) of described mouthful of mould (1) is horizontal strip; Be communicated with corresponding sub-material mouth (22) with same plup inlet (21) in the described divergent die (2) and go to upper and lower arrangement.
4, according to claim 1 or 2 or 3 described engineering plastics profile shapes extrusion molding apparatus, it is characterized in that: also comprise cooling system (4), this cooling system is enclosed within the outside of described stock mould (3).
5, engineering plastics profile shapes extrusion molding apparatus according to claim 4 is characterized in that: described cooling system (4) comprises fixed slot frame (41), cooling water pipe (42) and vacuum orifice (43); Described stock mould (3) has more than two or two and is inserted in fixed slot frame (41) lining side by side, and cooling water pipe (42) is around the outside of stock mould (3), and vacuum orifice (43) is positioned at an end of cooling water pipe (42); Described each stock mould (3) is independent, detachable individuality.
6, according to claim 1 or 2 or 3 or 5 described engineering plastics profile shapes extrusion molding apparatus, it is characterized in that: between described divergent die (2) and the stock mould (3) with heat insulation and reduce heat conducting mode and contact and be connected.
7, engineering plastics profile shapes extrusion molding apparatus according to claim 6 is characterized in that: described divergent die (2) is profiling boss (a 5) structure with both junctions of stock mould (3).
8, engineering plastics profile shapes extrusion molding apparatus according to claim 7 is characterized in that: it is characterized in that: described profiling boss (5) is positioned on the end face of described divergent die sub-material mouth (22), is an integral body with divergent die (2).
9, engineering plastics profile shapes extrusion molding apparatus according to claim 7, it is characterized in that: described profiling boss (5) is positioned on the contact end face of described stock mould (3).
10, engineering plastics profile shapes extrusion molding apparatus according to claim 1 is characterized in that: described mouthful of mould (1), divergent die (2) and stock mould (3) are independently individuality, connect with removably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200590057U CN201120712Y (en) | 2007-10-31 | 2007-10-31 | Engineering plastic special-shaped section bar extruding-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200590057U CN201120712Y (en) | 2007-10-31 | 2007-10-31 | Engineering plastic special-shaped section bar extruding-forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201120712Y true CN201120712Y (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200590057U Expired - Fee Related CN201120712Y (en) | 2007-10-31 | 2007-10-31 | Engineering plastic special-shaped section bar extruding-forming device |
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| CN (1) | CN201120712Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601969A (en) * | 2012-03-14 | 2012-07-25 | 天津中财型材有限责任公司 | Mould and process for one-mould-double-output forming of polypropylene random copolymer pipes |
| CN102601974A (en) * | 2012-03-29 | 2012-07-25 | 常州盛达伯乐马塑料型材有限公司 | Forming method for engineering plastic profile and special tool |
-
2007
- 2007-10-31 CN CNU2007200590057U patent/CN201120712Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601969A (en) * | 2012-03-14 | 2012-07-25 | 天津中财型材有限责任公司 | Mould and process for one-mould-double-output forming of polypropylene random copolymer pipes |
| CN102601974A (en) * | 2012-03-29 | 2012-07-25 | 常州盛达伯乐马塑料型材有限公司 | Forming method for engineering plastic profile and special tool |
| CN102601974B (en) * | 2012-03-29 | 2013-12-25 | 常州盛达伯乐马塑料型材有限公司 | Forming method for engineering plastic profile and special tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: BAIYUN CHEMICAL INDUSTRY CO., LTD., GUANGZHOU CITY Effective date: 20121224 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121224 Address after: Water kiho Industrial Zone Nanhai District 528244 Guangdong city of Foshan province No. 1 Patentee after: Foshan Nanhai Yile Engineering Plastic Co., Ltd. Address before: Water town, Nanhai District 528244 Guangdong Qiming grassland group of city of Foshan Province Patentee before: Foshan Nanhai Yile Engineering Plastic Co., Ltd. Patentee before: Baiyun Chemical Industry Co., Ltd., Guangzhou City |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20161031 |