CN1376573A - Combined extruding-out and shape-fixating machine of plastic products and its application - Google Patents
Combined extruding-out and shape-fixating machine of plastic products and its application Download PDFInfo
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- CN1376573A CN1376573A CN 01109916 CN01109916A CN1376573A CN 1376573 A CN1376573 A CN 1376573A CN 01109916 CN01109916 CN 01109916 CN 01109916 A CN01109916 A CN 01109916A CN 1376573 A CN1376573 A CN 1376573A
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Abstract
A combined extruding-out and shape-fixating apparatus for plastic product is composed of the moulding head, which is a mould with detachable heater, the chilling-type shape-fixating mould sleeve and the spray-type directly cooled shape-fixating mould sleeve. The resultant plastic product has high surface finish quality. Its advantages are simple and compact structure, high efficiency and less consumption of raw material.
Description
The present invention relates to extruding-out and shape-fixating machine used in a kind of study of plastic extrusion molding process and application thereof, say further, the present invention relates to extruding-out and shape-fixating machine and application thereof that a kind of Wood-plastic material is used.
Wood-plastic material is to utilize lignocellulose material modification plastics and get, and is a kind of novel modified plastics.Wood-plastic material intensity and good rigidly have withstand voltage and advantage such as load-bearing, but the melt fluidity of itself is poor, melt strength is low, and processing characteristics is bad, has especially brought very big difficulty in the extrusioning shaping process of section bar.Present employed plastics extrusioning shaping equipment is that a kind of being placed in passed through movably vacuum sizing device of track on the typing platform.When extrusion profile, the calibrator on the typing platform is moved the die orifice of close mould.After section bar was extruded from the extruder mould, being pulled into, vacuum sizing device carried out Vacuum shaping.Concerning Wood-plastic material, the adding of wood fibre filler makes that the Wood-plastic material flowability is poor, sticking higher, the surface is crude easily.When Wood-plastic profiles passed through existing vacuum sizing device, resistance was very big, need bigger traction power and extrusioning power, and extruded velocity was slow.Simultaneously,, when it directly is pulled into vacuum sizing device under melt state, be easy to disconnected bar, make that the material consumption is big and influence production efficiency because the melt strength of Wood-plastic material is low.When the extrusioning shaping, these defectives of existing calibrator are more outstanding for the higher material of wood fibre content.In addition, existing vacuum sizing device is longer, take up an area of greatly, and complicated operation, equipment cost is also higher.
The purpose of this invention is to provide a kind of combined extruding-out and shape-fixating machine that Wood-plastic material is extruded that is mainly used in.This apparatus structure is simply compact, easy to operate.Utilize the Wood-plastic profiles surface smoothness of this device extrusioning shaping higher, also fine for the extrusioning shaping effect of the high Wood-plastic material of wood powder fiber content, and the material in the extrusion molding process consumes less, the efficient height.
Combined extruding-out and shape-fixating machine of plastic products of the present invention comprises die head, partition chilling-type shaper and spray direct-cooling type shaper.Die head and partition chilling-type shaper are connected in turn with spray direct-cooling type shaper and detachably.When the three was connected, the center line of each parts inner chamber all on an axis.
Die head is the outside mould that has heater.Heater is heating jacket, cartridge heater or heating plate, dismounting flexibly.The die cavity of die head is processed to required shape of products, and will have certain fineness according to the required die cavity inner surface of goods.The axial length of die head is decided according to the concrete condition of extruded product, and then die head is longer for the goods of difficult typing.General die head length is preferably more than the 50mm.
Partition chilling-type shaper is a cylindrical shell, and the inner chamber of cylindrical shell is a through hole, and the cavity shape on the cross section of its planform and die head is consistent.Be made as the jacket type cooling layer of hollow between the inner chamber of this die sleeve cylindrical shell and the shell, the cooling medium of cooling layer is imported and exported and is located on the shell of die sleeve.The type of cooling can be disposable cooling or circulating cooling.Cooling medium is water or the general material that is used to cool off.Extrude for little section bar, can obstructed cooling medium.The thermoformed articles of extruding from die head passes through partition chilling-type shaper by surface cool and surperficial troweling.The axial length of partition chilling-type shaper is decided according to the concrete condition of extruded product, and then die sleeve is longer for the goods of difficult cooling and typing.General partition chilling-type shaper length is preferably more than the 50mm.
Spray direct-cooling type shaper also is a cylindrical shell.One end of this die sleeve cylindrical shell is uncovered, and the sidewall of the other end is provided with section bar inlet.This inlet is consistent with the shape and structure of die head cross section mold die cavity, and the section bar of extruding enters spray direct-cooling type shaper by this inlet.The inner barrel of this die sleeve is equipped with a trumpet-shaped circular cone tube near the section bar arrival end.Form the cooling sandwith layer of a hollow between the barrel of horn-like circular cone tube and die sleeve cylindrical shell.The osculum of horn-like circular cone tube is near the sidewall of section bar arrival end, and and sidewall between form an annular space.All radiuses arrive the longest distance of this ingress edge in the circular cone tube osculum greater than the center line of this die sleeve sidewall upper sectional material inlet.Big mouthful of outer rim of horn-like circular cone tube fixedlyed connected for the hoop of sealing with the tubular structure inwall.Position corresponding to cooling sandwith layer on the barrel of this die sleeve cylindrical shell is provided with cooling medium inlet, cooling medium enters cooling sandwith layer in the die sleeve from this inlet, and spray from annular space, directly be sprayed onto on the surface of the section bar that enters from the section bar porch, thereby the heat of section bar is taken away, it is fully cooled off, reach direct-cooled effect, make the typing rapidly of section bar surface.Wherein the slit width of annular space is decided according to the complexity of goods cooling, is preferably 1～5mm.
At the cylinder lumen of spray direct-cooling type shaper, the position that is lower than die sleeve side wall profile inlet lower edge is provided with a sieve plate, and the both sides and the barrel of sieve plate are tightly connected.The cooling medium that sprays into the die sleeve inner chamber can be leaked down from the sieve aperture on the sieve plate by sieve plate, and reach the buffering cooling medium prevent the purpose that cooling medium splashes.Sieve aperture on the sieve plate preferably can evenly gather on flat board.The barrel that corresponds to the sieve plate below is provided with cooling medium outlet, can be from this mouthful outflow from the cooling medium that sieve plate leaks down.
The section bar of extruding from partition chilling-type shaper carries out the cooling of section bar through spray direct-cooling type shaper, with further to the section bar cooling and shaping.The axial length of spray direct-cooling type shaper can be decided according to the concrete condition of extruded product, and then die sleeve is longer for the goods of difficult cooling and typing.General spray direct-cooling type shaper length is preferably more than the 100mm.
Between the die head of above-described extruding-out and shape-fixating machine and partition chilling-type shaper and the spray direct-cooling type shaper is detachable tight connection.The profile of die head is indefinite, can justify.The profile of two shapers and die head profile are consistent.
Combined extruding-out and shape-fixating machine of plastic products of the present invention is mainly used in the extrusion molding of Wood-plastic material.Wood-plastic material enters die head of the present invention by cross-head in extrusion, form the section bar of required form by the die cavity of die head.And then section bar enters partition chilling-type shaper again and carries out Quench, makes typing of section bar surface cool and surperficial troweling.Section bar is again by spray direct-cooling type shaper then, section bar carried out direct-cooled rapidly, makes the further cooling and shaping of section bar.Thereby obtain required Wood-plastic profiles finished product.
In addition, extrude or shape product surface requirements when very high, the vacuum sizing device of combined extruding-out and shape-fixating machine of the present invention in conjunction with prior art can also be used together, to reach better typing effect when the lower section bar of wood fibre content.When section bar through having had certain intensity and surface smoothness preferably behind the calibrator cooling and shaping of the present invention, fracture no longer easily when vacuum sizing device is advanced in traction, help to improve rate of extrusion, but also be beneficial to the surface quality of further raising section bar.
Further describe technical scheme of the present invention below in conjunction with accompanying drawing.
Fig. 1 is that die head cooperates schematic diagram with partition chilling-type shaper and being connected of spray direct-cooling type shaper.
Fig. 2 is the die head schematic diagram.
Fig. 3 is a partition chilling-type shaper structural representation.
Fig. 4 is spray direct-cooling type shaper structural representation.
As shown in Figure 1, combined extruding-out and shape-fixating machine of plastic products of the present invention comprises die head 1, partition chilling-type shaper 2 and spray direct-cooling type shaper 3.Die head 1 and partition chilling-type shaper 2 are connected in turn with spray direct-cooling type shaper 3 and detachably.When the three was connected, the center line of each parts inner chamber all on an axis.
Die head 1 is the outside mould that has heater 5 as shown in Figure 2.Heater 5 is heating jacket, cartridge heater or heating plate, dismounting flexibly.The die cavity 6 of die head 1 is processed to required shape of products, and will have certain fineness according to the required die cavity inner surface of goods.The axial length of die head 1 is decided according to goods are required, is preferably more than the 50mm.Die head 1 is connected with shaper and detachably.
Partition chilling-type shaper 2 is a cylindrical shell as shown in Figure 3, and the inner chamber 9 of cylindrical shell is a through hole, and die cavity 6 shapes on the cross section of its planform and die head are consistent.Be made as the jacket type cooling layer 7 of hollow between the inner chamber of this die sleeve cylindrical shell and the shell, the cooling medium of cooling layer is imported and exported 10,8 and is located on the shell of die sleeve.The type of cooling can be disposable cooling or circulating cooling.Cooling medium is water or the general material that is used to cool off.Extrude for little section bar, can obstructed cooling medium.The thermoformed articles of extruding from die head 1 passes through partition chilling-type shaper 2 by surface cool and surperficial troweling.The axial length of partition chilling-type shaper 2 is decided according to goods are required, is preferably more than the 50mm.
Spraying direct-cooling type shaper 3 as shown in Figure 4 also is a cylindrical shell.One end of this die sleeve cylindrical shell is uncovered, and the sidewall of the other end is provided with section bar inlet 15.This inlet 15 is consistent with the shape and structure of die head cross section mold die cavity 6, and the section bar of extruding enters spray direct-cooling type shaper by this inlet.The inner barrel of this die sleeve is equipped with a trumpet-shaped circular cone tube 13 near the section bar arrival end.Form the cooling sandwith layer 17 of a hollow between the barrel of horn-like circular cone tube 13 and die sleeve cylindrical shell.The osculum of horn-like circular cone tube 13 is near the sidewall of section bar arrival end, and and sidewall between form an annular space 16.All radiuses arrive the longest distance of this ingress edge in circular cone tube 13 osculums greater than the center line of this die sleeve sidewall upper sectional material inlet 15.Big mouthful of outer rim of horn-like circular cone tube fixedlyed connected for the hoop of sealing with the tubular structure inwall.Position corresponding to cooling sandwith layer on the barrel of this die sleeve cylindrical shell is provided with cooling medium inlet 14, cooling medium enters cooling sandwith layer 17 in the die sleeve from this inlet, and from annular space 16 ejections, directly be sprayed onto enter the mouth the surface of 15 section bars that enter from section bar on, thereby the heat of section bar is taken away, it is fully cooled off, reach direct-cooled effect, section bar is finalized the design rapidly.Wherein the slit width of annular space 16 is decided according to the complexity of goods cooling, is preferably 1～5mm.
At the cylinder lumen of spray direct-cooling type shaper 3, be lower than the enter the mouth position of 15 lower edges of die sleeve side wall profile one sieve plate 11 is set, the both sides and the barrel of sieve plate are tightly connected.The cooling medium that sprays into the die sleeve inner chamber can be leaked down from the sieve aperture 12 on the sieve plate by sieve plate 11, and reach the buffering cooling medium prevent the purpose that cooling medium splashes.Sieve aperture 12 on the sieve plate preferably can evenly gather on flat board.The barrel that corresponds to sieve plate 11 belows is provided with cooling medium outlet 18, can be from this mouthful outflow from the cooling medium that sieve plate 11 leaks down.
The section bar of extruding from partition chilling-type shaper 2 carries out the cooling of section bar through spray direct-cooling type shaper 3, with further to the section bar cooling and shaping.The axial length of spray direct-cooling type shaper 3 can be decided according to the concrete condition of extruded product, and then die sleeve is longer for the goods of difficult cooling and typing.General spray direct-cooling type shaper length is preferably more than the 100mm.
Between the die head 1 of above-described extruding-out and shape-fixating machine and partition chilling-type shaper 2 and the spray direct-cooling type shaper 3 is detachable tight connection.The profile of die head 1 is indefinite, can justify.The profile of two shapers and die head profile are consistent.
Combined extruding-out and shape-fixating machine of plastic products of the present invention is mainly used in the extrusion molding of Wood-plastic material.Wood-plastic material enters die head 1 of the present invention by cross-head in extrusion, form the section bar of required form by the die cavity 6 of die head.And then section bar enters partition chilling-type shaper 2 again and carries out Quench, makes typing of section bar surface cool and surperficial troweling.Section bar is again by spray direct-cooling type shaper 3 then, section bar carried out direct-cooled rapidly, makes the further cooling and shaping of section bar.Thereby obtain required Wood-plastic profiles finished product.
In addition, extrude or shape product surface requirements when very high, the vacuum sizing device of combined extruding-out and shape-fixating machine of the present invention in conjunction with prior art can also be used together, to reach better typing effect when the lower section bar of wood fibre content.When section bar through having had certain intensity and surface smoothness preferably behind the calibrator cooling and shaping of the present invention, fracture no longer easily when vacuum sizing device is advanced in traction, help to improve rate of extrusion, but also be beneficial to the surface quality of further raising section bar.
In sum, combined extruding-out and shape-fixating machine of plastic products provided by the present invention has overcome existing dress Many, the defectives such as efficient is low, products surface quality is low, equipment cost height of material consumption of putting. Utilize this device to extrude The Wood-plastic profiles surface smoothness height of typing is moulded also more fine than the extrusioning shaping effect of high material for wood. Material in the extrusion molding process consumes less, the efficient height, and also has simply compactness of apparatus structure, and is easy to operate, Be convenient to the advantages such as dismounting and cleaning.
Claims (7)
1. combined extruding-out and shape-fixating machine of plastic products, comprise die head [1], partition chilling-type shaper [2] and spray direct-cooling type shaper [3], the mould [4] that it is characterized in that described die head [1] removable heater [5] for the outside has, die head [1] and partition chilling-type shaper [2] are connected in turn with spray direct-cooling type shaper [3] and detachably, wherein:
A. partition chilling-type shaper [2]: this die sleeve is a cylindrical shell, cylinder lumen [9] is a through hole, shape and structure is consistent with die cavity [6] shape on the die head cross section, be the jacket type cooling layer [7] of hollow between cylinder lumen [9] and the shell, the cooling medium of cooling layer is imported and exported [10], [8] are located on the shell of this die sleeve cylindrical shell;
B. spray direct-cooling type shaper [3]: this die sleeve is a cylindrical shell, and cylindrical shell one end is uncovered, and the sidewall of the other end is provided with section bar inlet [15], and the shape and structure of this inlet is consistent with die cavity [6] shape on the die head cross section; The inner barrel of this die sleeve is equipped with a trumpet-shaped circular cone tube [13] near the section bar arrival end, forms the cooling sandwith layer [17] of a hollow between the barrel of horn-like circular cone tube [13] and die sleeve cylindrical shell; The osculum of horn-like circular cone tube is near the sidewall of section bar arrival end, and and sidewall between form an annular space [16], all radiuses are greater than the center line of this die sleeve sidewall upper sectional material inlet [15] longest distance to this ingress edge in the circular cone tube osculum; Big mouthful of outer rim of horn-like circular cone tube [13] fixedlyed connected for the hoop of sealing with the tubular structure inwall; Position corresponding to cooling sandwith layer on the barrel of this die sleeve cylindrical shell is provided with cooling medium inlet [14], at cylinder lumen, the position that is lower than die sleeve side wall profile inlet lower edge is provided with a sieve plate [11], the both sides and the barrel of sieve plate [11] are tightly connected, and the barrel that corresponds to the sieve plate below is provided with cooling medium outlet [18].
2. combined extruding-out and shape-fixating machine according to claim 1 is characterized in that the outside dismountable heater of described die head [1] [5] is heating jacket, cartridge heater or heating plate.
3. combined extruding-out and shape-fixating machine according to claim 1, the axial length that it is characterized in that described die head [1] is more than the 50mm.
4. extruding-out and shape-fixating machine according to claim 1, the axial length that it is characterized in that described partition chilling-type shaper [2] is more than the 50mm.
5. extruding-out and shape-fixating machine according to claim 1, the axial length that it is characterized in that described spray direct-cooling type shaper [3] is more than the 100mm.
6. extruding-out and shape-fixating machine according to claim 1 is characterized in that the gap width of the annular space [16] that forms between inner horn-like circular cone tube osculum outer rim of described spray direct-cooling type shaper [3] and sidewall is 1～5mm.
According to each described combined extruding-out and shape-fixating machine of plastic products of claim 1～6 in the application aspect the Wood-plastic material extrusion molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01109916XA CN1149142C (en) | 2001-03-23 | 2001-03-23 | Combined extruding-out and shape-fixating machine of plastic products and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB01109916XA CN1149142C (en) | 2001-03-23 | 2001-03-23 | Combined extruding-out and shape-fixating machine of plastic products and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1376573A true CN1376573A (en) | 2002-10-30 |
| CN1149142C CN1149142C (en) | 2004-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01109916XA Expired - Lifetime CN1149142C (en) | 2001-03-23 | 2001-03-23 | Combined extruding-out and shape-fixating machine of plastic products and its application |
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| Country | Link |
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| CN (1) | CN1149142C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317071C (en) * | 2005-01-07 | 2007-05-23 | 贵研铂业股份有限公司 | Rosin-disproportionating high activity Pd/C catalyst preparing process |
| CN114919153A (en) * | 2022-05-25 | 2022-08-19 | 安徽万方管业集团有限公司 | PE pipe extruder head capable of preventing material from flowing transversely |
-
2001
- 2001-03-23 CN CNB01109916XA patent/CN1149142C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317071C (en) * | 2005-01-07 | 2007-05-23 | 贵研铂业股份有限公司 | Rosin-disproportionating high activity Pd/C catalyst preparing process |
| CN114919153A (en) * | 2022-05-25 | 2022-08-19 | 安徽万方管业集团有限公司 | PE pipe extruder head capable of preventing material from flowing transversely |
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| Publication number | Publication date |
|---|---|
| CN1149142C (en) | 2004-05-12 |
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Granted publication date: 20040512 |