CN104999637A - Large-section hollow profile extrusion forming method and device with small-opening die utilized - Google Patents
Large-section hollow profile extrusion forming method and device with small-opening die utilized Download PDFInfo
- Publication number
- CN104999637A CN104999637A CN201510334779.5A CN201510334779A CN104999637A CN 104999637 A CN104999637 A CN 104999637A CN 201510334779 A CN201510334779 A CN 201510334779A CN 104999637 A CN104999637 A CN 104999637A
- Authority
- CN
- China
- Prior art keywords
- plug
- brace summer
- heavy
- hollow material
- wall thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a large-scale hollow profile extrusion forming method and device with a small-opening die utilized. The method includes the steps that inflation is conducted on a blank piece extruded from a die head through compressed air, a layer of narrow-seam-shaped air cushion with the same shape as the hollow shape of a product is formed in the blank piece, the blank piece is tightly attached to the inner wall of a vacuum shaping sleeve under further expansion of the air cushion, the hollow pipe product is formed under the synergistic effect of the air cushion and vacuum shaping, and the purpose that large-section hollow profiles are prepared continuously through the small-opening die is achieved. The device comprises an extrusion machine, the die head and a vacuum cooling shaping device which are sequentially connected. An inflation device is arranged in the die head and comprises a core rod, an air inlet pipe and an inner cold-air plug. The air inlet pipe is arranged in the middle of the core rod. The rod portion of the inner cold-air plug is arranged in the air inlet pipe. The head portion of the inner cold-air plug is arranged in a space between the die and the vacuum cooling shaping device. A blank forming runner is formed between the outer wall of the core rod and the die head. The method and device are simple in principle and easy to operate and control, and meanwhile the obtained product is wide in use range.
Description
Technical field
The present invention relates to hollow material extrusion technology field, particularly a kind of heavy in section hollow material extruding forming method and equipment utilizing osculum mould.
Background technology
Hollow material is distinguished according to disconnected cross section, is generally divided into pipe and shape tube, and wherein shape tube comprises oval shape tube, square tube, triangular pipe, semicircle shape tube, the quincunx shape tube of five lobes etc.Plastic hollow section bar have lightweight, intensity is large, the feature such as corrosion-resistant, is widely used in the different field such as construction timber, electric appliance and electronic, fluid transport, furniture.Along with growth of the national economic, the market demand of hollow material product especially heavy in section hollow material is huge.
The conventional production methods of hollow material is: to break the shape in cross section, product material, dimensional accuracy and shaping speed according to hollow material, select suitable machine head port mould and cooling and shaping method.Fused materials is extruded from machine head port mould and is formed preliminary parison, then carries out cooling and shaping to ensure outward appearance and the dimensional accuracy of goods to parison in time.In actual production, there is following shortcoming in the conventional production equipment of hollow material: the hollow material cross section that (1) extrudes and die head exit cross section are approximate in shape, but dimensionally, the size in die head exit cross section is greater than the size extruding hollow material cross section; Due to the difference in above-mentioned size, when extruding the larger hollow material of sectional dimension, the design size of die head also must become large according to respective cross-section, namely can only occur that osculum mould produces small bore hollow material, the situation of large mouth mould production heavy in section hollow material; When production heavy in section hollow material, the volume and weight of die head is excessive unavoidably, is unfavorable for that precision controlling and equipment cost control; (2) to produce complex-shaped goods, corresponding plug and mouth mould difficulty of processing increase; (3) die head exit section shape and size determines the hollow material type of production, which has limited the production scope of equipment; (4) hollow material of produced in conventional processes easily occurs that internal stress is large, the situation of buckling deformation.
Application number is that the utility model patent of 200920109219.X discloses a kind of auxiliary expanding equipment, utilize the die head with tapering, make to be expanded by the blank of die head, expanded blank by the die head that utilizes protruding annulus and groove and agree with mutually and clamping rod, be fastened on clamping rod with fastening annulus by expansion blank, apply external force and move clamping rod to hauling machine place, thus realize continuous seepage heavy in section hollow material.Although this device structure is simple, need to increase extra drive unit and move clamping rod, add equipment cost, expansion parameters is non-adjustable, can not adjust according to practical condition and material.
The problems such as the equipment complexity existed for current heavy in section hollow material processing method and equipment is heavy, equipment difficulty of processing is large, the scope of application is little, properties of product are undesirable, develop a kind of heavy in section hollow material extruding forming method of osculum mould and equipment of utilizing and are significant.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of heavy in section hollow material extruding forming method utilizing osculum mould, the method principle is simple, be easy to operation and realize controlling, the scope of application of product is also wider simultaneously.
Another object of the present invention is to provide a kind of heavy in section hollow material extrusion molding apparatus utilizing osculum mould for realizing said method.
Technical scheme of the present invention is: a kind of heavy in section hollow material extruding forming method utilizing osculum mould, from the compressed air inflation of blank that die head is extruded, one deck narrow slit shape air cushion identical with goods hollow shape is formed in blank inside, by the further expansion of air cushion, blank is made to be closely attached on vacuum sizing sleeve inwall, under the synergy of air cushion and Vacuum shaping, shaping hollow tubular product goods, realize utilizing osculum mould continuous production heavy in section hollow material.
Described hollow tubular product goods are pipe or shape tube.
Described shape tube is square tube, triangular pipe, oval shape tube, semicircle shape tube or the quincunx shape tube of five lobes.
A kind of heavy in section hollow material extrusion equipment utilizing osculum mould of the present invention, comprise the extruder, die head and the vacuum cooled shaping equipment that connect successively, huffing device is provided with in die head, huffing device comprises plug, blast pipe and interior cold air plug, blast pipe is located in the middle part of plug, the bar portion of interior cold air plug is located in blast pipe, and the head of interior cold air plug is located in the space between die head and vacuum cooled shaping equipment, is the runner of shaping blank between the outer wall of plug and die head.
Described interior cold air plug is hollow structure, and comprise the bar portion and head that are connected, bar portion is straight tube-like, head is taper, and the sidewall of head is provided with through hole, and bar portion is through in whole blast pipe, bar portion arranges head near one end of vacuum cooled shaping equipment, and the other end in bar portion is provided with gas outlet.Most of gas in blast pipe enters interior cold air plug and gets rid of from through hole, the space of portion gas between blank and interior cold air plug is discharged, and forms air cushion.
Described blast pipe is the pipeline configuration that one end opens, and the outer wall of blast pipe is embedded in plug, and blast pipe is open end near one end of interior cold air plug head, and the sidewall of blast pipe is provided with air inlet.
The outside of described huffing device is also provided with device for adjusting wall thickness, device for adjusting wall thickness comprises vent plug brace summer, vent plug locking cap, wall thickness adjusting handle, wall thickness adjusting rod, calibration sleeve brace summer and cross supporting frame, cross hang is set up in blast pipe periphery, vent plug brace summer and calibration sleeve brace summer are located at the periphery of interior cold air plug respectively, the outside of cross supporting frame sets gradually calibration sleeve brace summer and vent plug brace summer, connected by wall thickness adjusting rod between calibration sleeve brace summer and vent plug brace summer, wall thickness adjusting rod one end is provided with wall thickness adjusting handle, one end that interior cold air plug is provided with gas outlet is fixedly connected with vent plug brace summer by vent plug locking cap.Device for adjusting wall thickness for regulating the distance between the head of interior cold air plug and vacuum cooled shaping equipment, to control the wall thickness of hollow material.When interior cold air plug head enters vacuum cooled shaping equipment, air cushion disappears, and the gap between the head of interior cold air plug and vacuum shaping sleeve is that blank exports.
Described vent plug brace summer and calibration sleeve brace summer are equipped with screwed hole, and the threaded portion of wall thickness adjusting rod is connected with the screwed hole of vent plug brace summer and the screwed hole of calibration sleeve brace summer respectively, and adopts double nut to lock.
Described wall thickness adjusting handle is connected with the end winding support of key with wall thickness adjusting rod by screw.
The outside of described vacuum cooled shaping equipment is also provided with draw-gear, and the guiding for shaping rear hollow material is drawn.
When the above-mentioned heavy in section hollow material extrusion equipment utilizing osculum mould uses, its principle is: the material melt that the plasticizing provided by extruder is good enters the runner in die head, melt is extruded from die head exit cross section, obtain preliminary hollow material shape (i.e. blank), the high pressure cold air entered from blast pipe and blank contact internal walls, its temperature is made to be reduced between vitrification point and flow temperature, and making to there is pressure differential inside and outside blank, high pressure cold air makes blank expand until internal and external pressure balance; The blank of temperature between vitrification point and flow temperature is in elastomeric state, flexible blank forms gas channel under the effect of high pressure cold air and between interior cold air plug, a part of cold air from then on passage discharge in blank, and form one deck narrow slit air cushion identical with goods hollow shape, remaining cold air is discharged from the through hole of interior cold air plug head, air cushion has dilating effect to blank, make blank inner surface bright and clean, and air cushion make blank expand the vacuum sizing sleeve inwall being adjacent to vacuum cooled shaping equipment; Air cushion expansion and the synergy of vacuum sizing, realize utilizing osculum mould continuous production heavy in section hollow material.Due to the dilating effect of air cushion, the position of mobile air cushion, namely rotates the distance that wall thickness adjusting handle regulates interior cold air plug and vacuum cooled shaping equipment, or regulates hauling speed, can reach the effect regulating hollow material wall thickness; Cooling length when regulating blank to expand by regulating the relative position of vacuum cooled shaping equipment and die head; Change the air pressure size of blast pipe mesohigh cold air, blank maximum gauge can be changed, namely change radial drawing ratio.Hollow material size can be made controlled by regulating above, performance is controlled.
The present invention, relative to prior art, has following beneficial effect:
This utilize the heavy in section hollow material extruding forming method of osculum mould and equipment principle simple, be easy to operation and realize controlling.Be embodied in:
(1) expand in the chien shih blank of die head body and vacuum cooled shaping equipment, realize, with osculum mould continuous seepage heavy in section hollow material, effectively simplifying the structure of equipment;
(2) by the synergy of pipe embryo air cushion expansion with vacuum sizing, improve hollow material surfaces externally and internally quality simultaneously;
(3) by the position of mobile air cushion, namely rotate the distance that wall thickness adjusting handle regulates interior cold air plug and vacuum cooled shaping equipment, or regulate hauling speed, the effect regulating hollow material wall thickness can be reached; Cooling length when regulating blank to expand by regulating the relative position of vacuum cooled shaping equipment and die head.The air pressure size of blast pipe mesohigh cold air can be changed, blank maximum gauge can be changed, namely change radial drawing ratio.Hollow material size can be made controlled by regulating above, performance is controlled, can adapt to the processing of different material;
(4) this equipment is by changing the parts such as interior cold air plug and vacuum sizing sleeve, and carry out the continuous seepage of different cross section hollow material, easy to use, the scope of application is wider.
Accompanying drawing explanation
Fig. 1 is that this utilizes the structural representation of the heavy in section hollow material extrusion equipment of osculum mould.
The schematic cross-section that Fig. 2 a is hollow tubular product goods when being pipe.
The schematic cross-section that Fig. 2 b is hollow tubular product goods when being square tube.
The schematic cross-section that Fig. 2 c is hollow tubular product goods when being triangular pipe.
The schematic cross-section that Fig. 2 d is hollow tubular product goods when being oval shape tube.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
A kind of heavy in section hollow material extruding forming method utilizing osculum mould of the present embodiment, from the compressed air inflation of blank that die head is extruded, one deck narrow slit shape air cushion identical with goods hollow shape is formed in blank inside, by the further expansion of air cushion, blank is made to be closely attached on vacuum sizing sleeve inwall, under the synergy of air cushion and Vacuum shaping, shaping hollow tubular product goods, realize utilizing osculum mould continuous production heavy in section hollow material.
Utilize the shape tube of the plastic pipe of the method (as shown in Figure 2 a), square tube (as shown in Figure 2 b), triangular pipe (as shown in Figure 2 c), oval shape tube (as shown in Figure 2 d) or other shape.
Embodiment 2
A kind of heavy in section hollow material extrusion equipment utilizing osculum mould of the present embodiment, as shown in Figure 2, comprises the extruder 1, die head 12 and the vacuum cooled shaping equipment 13 that connect successively.
Huffing device is provided with in die head, huffing device comprises plug 9, blast pipe 2 and interior cold air plug 3, blast pipe is located in the middle part of plug, the bar portion of interior cold air plug is located in blast pipe, the head of interior cold air plug is located in the space between die head and vacuum cooled shaping equipment, is the runner of shaping blank between the outer wall of plug and die head.Wherein, interior cold air plug is hollow structure, comprise the bar portion 3-1 and head 3-2 that are connected, bar portion is straight tube-like, head is taper, and the sidewall of head is provided with through hole 3-3, and bar portion is through in whole blast pipe, bar portion arranges head near one end of vacuum cooled shaping equipment, and the other end in bar portion is provided with gas outlet.Most of gas in blast pipe enters interior cold air plug and gets rid of from through hole, the space of portion gas between blank and interior cold air plug is discharged, and forms air cushion.Blast pipe is the pipeline configuration that one end opens, and the outer wall of blast pipe is embedded in plug, and blast pipe is open end near one end of interior cold air plug head, and the sidewall of blast pipe is provided with air inlet.
The outside of huffing device is also provided with device for adjusting wall thickness, device for adjusting wall thickness comprises vent plug brace summer 4, vent plug locking cap 5, wall thickness adjusting handle 6, wall thickness adjusting rod 7, calibration sleeve brace summer 8 and cross supporting frame 10, cross hang is set up in blast pipe periphery, vent plug brace summer and calibration sleeve brace summer are located at the periphery of interior cold air plug respectively, the outside of cross supporting frame sets gradually calibration sleeve brace summer and vent plug brace summer, connected by wall thickness adjusting rod between calibration sleeve brace summer and vent plug brace summer, wall thickness adjusting rod one end is provided with wall thickness adjusting handle, one end that interior cold air plug is provided with gas outlet is fixedly connected with vent plug brace summer by vent plug locking cap.Device for adjusting wall thickness for regulating the distance between the head of interior cold air plug and vacuum cooled shaping equipment, to control the wall thickness of hollow material.When interior cold air plug head enters vacuum cooled shaping equipment, air cushion disappears, and the gap between the head of interior cold air plug and vacuum shaping sleeve is that blank exports.Vent plug brace summer and calibration sleeve brace summer are equipped with screwed hole, and the threaded portion of wall thickness adjusting rod is connected with the screwed hole of vent plug brace summer and the screwed hole of calibration sleeve brace summer respectively, and adopts double nut to lock.Wall thickness adjusting handle is connected with the end winding support of key with wall thickness adjusting rod by screw.
The outside of vacuum cooled shaping equipment 13 is also provided with draw-gear 14, and the guiding for shaping rear hollow material is drawn.In the present embodiment, vacuum cooled shaping equipment and draw-gear all adopt vacuum cooled shaping equipment in traditional hollow material production equipment and draw-gear.
When the above-mentioned heavy in section hollow material extrusion equipment utilizing osculum mould uses, its principle is: the material melt that the plasticizing provided by extruder is good enters the runner 11 in die head, melt is extruded from die head exit cross section, obtain preliminary hollow material shape (i.e. blank), the high pressure cold air entered from blast pipe and blank contact internal walls, its temperature is made to be reduced between vitrification point and flow temperature, and making to there is pressure differential inside and outside blank, high pressure cold air makes blank expand until internal and external pressure balance; The blank of temperature between vitrification point and flow temperature is in elastomeric state, flexible blank forms gas channel under the effect of high pressure cold air and between interior cold air plug, a part of cold air from then on passage discharge in blank, and form one deck narrow slit air cushion identical with goods hollow shape, remaining cold air is discharged from the through hole of interior cold air plug head, air cushion has dilating effect to blank, make blank inner surface bright and clean, and air cushion make blank expand the vacuum sizing sleeve inwall being adjacent to vacuum cooled shaping equipment; Air cushion expansion and the synergy of vacuum sizing, realize utilizing osculum mould continuous production heavy in section hollow material (in this process, the flow direction of gas as illustrated by the arrows in fig. 1).Due to the dilating effect of air cushion, the position of mobile air cushion, namely rotates the distance that wall thickness adjusting handle regulates interior cold air plug and vacuum cooled shaping equipment, or regulates hauling speed, can reach the effect regulating hollow material wall thickness; Cooling length when regulating blank to expand by regulating the relative position of vacuum cooled shaping equipment and die head; Change the air pressure size of blast pipe mesohigh cold air, blank maximum gauge can be changed, namely change radial drawing ratio.Hollow material size can be made controlled by regulating above, performance is controlled.
As mentioned above, just can realize the present invention preferably, above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Namely all equalizations done according to content of the present invention change and modify, all by the claims in the present invention scope required for protection is contained.
Claims (10)
1. one kind utilizes the heavy in section hollow material extruding forming method of osculum mould, it is characterized in that, from the compressed air inflation of blank that die head is extruded, one deck narrow slit shape air cushion identical with goods hollow shape is formed in blank inside, by the further expansion of air cushion, blank is made to be closely attached on vacuum sizing sleeve inwall, under the synergy of air cushion and Vacuum shaping, shaping hollow tubular product goods, realize utilizing osculum mould continuous production heavy in section hollow material.
2. a kind of heavy in section hollow material extruding forming method utilizing osculum mould according to claim 1, it is characterized in that, described hollow tubular product goods are pipe or shape tube.
3. a kind of heavy in section hollow material extruding forming method utilizing osculum mould according to claim 2, it is characterized in that, described shape tube is square tube, triangular pipe, oval shape tube, semicircle shape tube or the quincunx shape tube of five lobes.
4. one kind utilizes the heavy in section hollow material extrusion equipment of osculum mould, it is characterized in that, comprise the extruder, die head and the vacuum cooled shaping equipment that connect successively, huffing device is provided with in die head, huffing device comprises plug, blast pipe and interior cold air plug, and blast pipe is located in the middle part of plug, and the bar portion of interior cold air plug is located in blast pipe, the head of interior cold air plug is located in the space between die head and vacuum cooled shaping equipment, is the runner of shaping blank between the outer wall of plug and die head.
5. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 4, it is characterized in that, described interior cold air plug is hollow structure, comprise the bar portion and head that are connected, bar portion is straight tube-like, and head is taper, the sidewall of head is provided with through hole, bar portion is through in whole blast pipe, and bar portion arranges head near one end of vacuum cooled shaping equipment, and the other end in bar portion is provided with gas outlet.
6. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 5, it is characterized in that, described blast pipe is the pipeline configuration that one end opens, the outer wall of blast pipe is embedded in plug, blast pipe is open end near one end of interior cold air plug head, and the sidewall of blast pipe is provided with air inlet.
7. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 5, it is characterized in that, the outside of described huffing device is also provided with device for adjusting wall thickness, device for adjusting wall thickness comprises vent plug brace summer, vent plug locking cap, wall thickness adjusting handle, wall thickness adjusting rod, calibration sleeve brace summer and cross supporting frame, cross hang is set up in blast pipe periphery, vent plug brace summer and calibration sleeve brace summer are located at the periphery of interior cold air plug respectively, the outside of cross supporting frame sets gradually calibration sleeve brace summer and vent plug brace summer, connected by wall thickness adjusting rod between calibration sleeve brace summer and vent plug brace summer, wall thickness adjusting rod one end is provided with wall thickness adjusting handle, one end that interior cold air plug is provided with gas outlet is fixedly connected with vent plug brace summer by vent plug locking cap.
8. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 7, it is characterized in that, described vent plug brace summer and calibration sleeve brace summer are equipped with screwed hole, the threaded portion of wall thickness adjusting rod is connected with the screwed hole of vent plug brace summer and the screwed hole of calibration sleeve brace summer respectively, and adopts double nut to lock.
9. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 7, it is characterized in that, described wall thickness adjusting handle is connected with the end winding support of key with wall thickness adjusting rod by screw.
10. a kind of heavy in section hollow material extrusion equipment utilizing osculum mould according to claim 4, it is characterized in that, the outside of described vacuum cooled shaping equipment is also provided with draw-gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334779.5A CN104999637B (en) | 2015-06-16 | 2015-06-16 | A kind of heavy in section hollow material extruding forming method and equipment using small mouth mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510334779.5A CN104999637B (en) | 2015-06-16 | 2015-06-16 | A kind of heavy in section hollow material extruding forming method and equipment using small mouth mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104999637A true CN104999637A (en) | 2015-10-28 |
| CN104999637B CN104999637B (en) | 2017-09-26 |
Family
ID=54372621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510334779.5A Active CN104999637B (en) | 2015-06-16 | 2015-06-16 | A kind of heavy in section hollow material extruding forming method and equipment using small mouth mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104999637B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175805A (en) * | 2016-06-15 | 2017-09-19 | 浙江驰讯管业有限公司 | A kind of PVC self-reinforcings extrusion molding mould |
| CN111231384A (en) * | 2020-01-20 | 2020-06-05 | 东南大学泰州生物医药与医疗器械研究院 | Dynamic forming method of thin-wall circular tube for degradable vascular stent |
| CN116494496A (en) * | 2023-06-26 | 2023-07-28 | 河北汇东管道股份有限公司 | Vacuum forming seamless outer protection bent pipe production equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06339982A (en) * | 1990-10-20 | 1994-12-13 | Sulzer Escher Wyss Gmbh | Cooling machine for blow molding machine |
| US20060115549A1 (en) * | 2003-09-29 | 2006-06-01 | Eric Hatfield | Internal bubble cooling unit for extruded thin wall thermoplastic sheet |
| CN103231502A (en) * | 2013-04-28 | 2013-08-07 | 福建连众智惠实业有限公司 | Multi-layer coextrusion water-cooling blown film unit |
| CN104002465A (en) * | 2014-05-15 | 2014-08-27 | 华南理工大学 | Expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment |
-
2015
- 2015-06-16 CN CN201510334779.5A patent/CN104999637B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06339982A (en) * | 1990-10-20 | 1994-12-13 | Sulzer Escher Wyss Gmbh | Cooling machine for blow molding machine |
| US20060115549A1 (en) * | 2003-09-29 | 2006-06-01 | Eric Hatfield | Internal bubble cooling unit for extruded thin wall thermoplastic sheet |
| CN103231502A (en) * | 2013-04-28 | 2013-08-07 | 福建连众智惠实业有限公司 | Multi-layer coextrusion water-cooling blown film unit |
| CN104002465A (en) * | 2014-05-15 | 2014-08-27 | 华南理工大学 | Expanding-microshrinking biaxially-stretched pipe continuous molding method and equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175805A (en) * | 2016-06-15 | 2017-09-19 | 浙江驰讯管业有限公司 | A kind of PVC self-reinforcings extrusion molding mould |
| CN107175805B (en) * | 2016-06-15 | 2024-02-02 | 浙江驰讯管业有限公司 | PVC self-reinforcing extrusion molding die |
| CN111231384A (en) * | 2020-01-20 | 2020-06-05 | 东南大学泰州生物医药与医疗器械研究院 | Dynamic forming method of thin-wall circular tube for degradable vascular stent |
| CN116494496A (en) * | 2023-06-26 | 2023-07-28 | 河北汇东管道股份有限公司 | Vacuum forming seamless outer protection bent pipe production equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104999637B (en) | 2017-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203863998U (en) | Expansion-micro-shrinkage type biaxial stretching pipe continuous molding device | |
| CN104002465B (en) | A kind of swollen-micro formula biaxial stretching pipe continuous shaping method and equipment | |
| CN203400953U (en) | High-yield hot extrusion die for thin-wall small round tube type aluminum section bars | |
| CN105235228A (en) | Technological method and device for preparing biaxial orientation plastic pipe through one-step method | |
| CN104999637A (en) | Large-section hollow profile extrusion forming method and device with small-opening die utilized | |
| CN106426864B (en) | A kind of fast stepless adjusts the extruding forming method and device of tube wall thickness | |
| CN105196514B (en) | A kind of extrusion molding mould of online biaxial orientation plastics heavy caliber pipe | |
| CN105172097B (en) | A kind of extrusion molding mould of online biaxial orientation plastics minor caliber pipe | |
| CN103568241A (en) | Composite tube molding extrusion equipment and method | |
| CN205033555U (en) | Extrusion moulding mould of online biaxial orientation plastics heavy -calibre tubular product | |
| CN205628951U (en) | Compound extrusion tooling of aluminium alloy | |
| CN205033611U (en) | Process and equipment of one -step method preparation biaxial orientation plastics tubular product | |
| CN204074769U (en) | The expansion plane of symmetry of large of die cavity and the continuous extruder of squeegee roller axes normal | |
| CN204074772U (en) | A kind of cold extrusion molding mould of aluminium matter easy broken rod | |
| CN206351540U (en) | A kind of blow moulding machine | |
| CN214214693U (en) | Breadth automatically regulated multilayer is crowded inflation film manufacturing machine altogether | |
| CN213002408U (en) | Large-scale flange production is with ring rolling machine assembly jig | |
| CN206446086U (en) | A kind of high speed PVC mould with double split flow tatting structure | |
| CN203557668U (en) | Pneumatic control mechanism of inner rubber tube coreless extruder | |
| CN204977370U (en) | Extrusion moulding mould of online small -bore tubular product of biaxial orientation plastics | |
| CN108407256B (en) | Nylon rod extrusion die with stock mould structure | |
| CN202156018U (en) | Helical head of plastic extrusion production equipment | |
| CN202668842U (en) | Double-air-inflation structure of rotational molding machine working arm | |
| CN206106317U (en) | Extrude calender at a high speed suitable for rubber | |
| CN204773474U (en) | American plastic profile's extrusion tooling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |