CN201792482U - Intermediate cooling water tank for high-speed extrusion die - Google Patents
Intermediate cooling water tank for high-speed extrusion die Download PDFInfo
- Publication number
- CN201792482U CN201792482U CN2010205394280U CN201020539428U CN201792482U CN 201792482 U CN201792482 U CN 201792482U CN 2010205394280 U CN2010205394280 U CN 2010205394280U CN 201020539428 U CN201020539428 U CN 201020539428U CN 201792482 U CN201792482 U CN 201792482U
- Authority
- CN
- China
- Prior art keywords
- shaped block
- block assembly
- cooling water
- bosh
- casing
- 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.)
- Expired - Fee Related
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Classifications
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- 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
- B29C48/90—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
- B29C48/90—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
- B29C48/905—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 wet calibration, i.e. in a quenching tank
-
- 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
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
Abstract
The utility model relates to an intermediate cooling water tank for a high-speed extrusion die. The intermediate cooling water tank comprises a sealed tank body; two ends of the tank body are provided with a profile inlet and a profile outlet; the tank body is provided with a water outlet and an evacuating interface; a plurality of shaping block assemblies are arranged at intervals in the tank body along the profile moving direction; the inner wall of the die cavity of each shaping block assembly is provided with a cooling trough encircling the die cavity wall; the shaping block assembly is provided with a water inlet passage, a water outlet passage, a water inlet and a water outlet communicated with the cooling trough; and the tank body is provided with an outer water inlet for supplying cooling water to each shaping block assembly. The shaping block assemblies of the cooling troughs are placed in the die cavity wall, so the number of the shaping block assemblies is reduced, the processing precision is lowered and the assembly is more accurate.
Description
Technical field
The utility model relates to a kind of cooling water tank that can be used for the high speed extrusion die.
Background technology
Plastic material is by the extrusion die extrusion modling.Extrusion die commonly used at present mainly is made up of die head, dry type stock mould, wet vacuum water tank three parts.After the molten base that obtains definite shape by die head enters into the typing of dry type stock mould, enter the wet vacuum water tank again and further cool off.Since bigger at interval between the shaped block of the support section bar of arranging in the wet vacuum water tank, can not fully be cooled off in stock mould as fruit product, and under the water tank vacuum action, goods can be because interior heat deforms its gap location between shaped block.Therefore, have only when 90% of parison outer wall thickness to reach vitrification point when following, just can be incorporated in the wet vacuum water tank, directly to its further cooling and typing, obtain the goods of required form and length at last by cutting by cooling water.Because the heat that parison is removed in the unit interval during by the dry type stock mould is limited, makes the speed of production of section bar suffer restraints.If improve the section bar hauling speed, certainly will will increase the length of dry type stock mould, and the length of stock mould can not prolong unrestrictedly.After the stock mould length overall surpasses 100cm, the increase of stock mould length is comparatively slow to the raising influence of hauling speed: be on the one hand because there is vacuum adsorption force in stock mould to goods, increase stock mould length is detained goods in stock mould time lengthening, cause the resistance of goods in distraction procedure to strengthen.Owing to the restriction of process equipment, every joint stock mould can not design oversize on the other hand.The stock mould segmentation can cause rigging error again, and segmentation causes cumulative errors to strengthen too much, influences the shape and the size of end article.And the processing cost height of stock mould, the stock mould part of lengthening is very big to the die cost influence.Therefore, produce the stock mould total length that is adopted at present and generally be no more than 135cm, normal hauling speed is at 2.5～3.5 meters/minute, and hauling speed generally is not higher than 4.0 meters/minute.For the section bar speed of production can be provided, adapt to the needs that the high speed extrusion die is produced, Chinese patent literature C N 101306577 A disclose a kind of intercooler unit between dry type stock mould and the wet vacuum water tank that is used for, strengthen typing by dwindling interval between the stereotype plate to section bar, utilize the interval between the stereotype plate that section bar is carried out the water-bath cooling simultaneously, to improve the cooling velocity of section bar, to satisfy the needs of vacuum cooled water tank to section bar intensity, thereby can under the situation that does not increase dry type stock mould length, improve the section bar hauling speed of mould, reach the purpose of extruding at a high speed.The intercooler unit advantage of this structure is that shaped block is little at interval, typing to section bar is effective, shortcoming is that the cooling chamber between the shaped block is because width is narrower, the cooling water finite volume that single cooling chamber held causes cooling effectiveness not high, need to use a plurality of cooling chambers just can reach the cooling requirement, thereby used shaped block quantity is more, and assembling is complicated, assembly precision is required high.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art part, a kind of middle cooling water tank between dry type stock mould and the wet vacuum water tank of being used for that can be used for the high speed extrusion die is provided, effective to the section bar typing, need not increase the needs that the dry type stock mould can satisfy the high speed extrusion die.
For achieving the above object, the utility model has adopted following technical scheme: the casing that comprises sealing, tank ends is provided with section bar and advances, outlet, casing is provided with delivery port and vacuumizes interface, along the section bar moving direction several shaped block assemblies are set at interval in the casing, the cavity surface of each shaped block assembly cooperates with the section bar spaced surface, have bosh on the die cavity inwall of each shaped block assembly around the die cavity wall, have advancing of communicating with bosh on the shaped block assembly, exhalant canal and advancing, delivery port, casing are provided with by the outer water inlet of pipeline to each shaped block assembly cooling water supply.
Because the shaped block component thickness is bigger, section bar by the time not only play a supporting role, more important role is effective to the section bar typing.And section bar is subjected to dual-cooled in water tank, promptly is subjected to water quench and the interior water quench of shaped block assembly in the casing.Wherein when section bar passes through the shaped block assembly, not only there is the cooling water in the bosh that section bar is carried out the water-bath cooling; Simultaneously, also have shaped block assembly self that the section bar by cavity surface is directly contacted the heat that absorbs, because the shaped block assembly is immersed in the interior cooling water of casing, the shaped block assembly also can be taken away by the cooling water in the casing in time by the heat that cavity surface absorbs, make the shaped block assembly temperature lower all the time, improved endothermic effect.Owing to also be provided with bosh in the shaped block assembly, formed interior cooling chamber, can substitute the outer cooling chamber between the shaped block assembly, thereby can reduce the typing assembly quantity, requirement to shaped block assembly machining accuracy can reduce, assemble simplyr, can improve assembly precision, improve the quality of section bar product.
The utility model can be at the water inlet that is provided with cooling water supply in casing on the casing, and the out outlet that is communicated with delivery port on each shaped block assembly by pipeline.Cooling water in the water tank is all by the water inlet supply; And the cooling water in each shaped block assembly is discharged to the casing outside by pipeline and out outlet.
In order to improve assembly precision, convenient for assembly, the box bottom top is provided with positioning guide rail along the section bar moving direction, and each shaped block assembly bottom is provided with the gathering sill that cooperates with positioning guide rail.Simultaneously, by the guide rail location, the spacing distance between the adjacent shaped block assembly is also regulated easily.
Have the bosh of some roads on the die cavity inwall of each shaped block assembly around the die cavity wall, the water-in and water-out passage is arranged on shaped block assembly two ends and communicates with the bosh of an end respectively, has the cooling-water duct that connects two boshes on the wall between the adjacent twice bosh.Owing to the multiple tracks bosh is arranged in each shaped block assembly, promptly have a plurality of in cooling chambers, thereby the used shaped block assembly of whole device is less, only needs 4 to 5 and get final product, make assemble easier.
The cooling-water duct that each shaped block assembly connects two boshes is provided with to die cavity wall lopsidedness along water (flow) direction, when cooling water enters down one bosh, current directly wash away the section bar surface, make the lower cooling water of temperature fully contact with the section bar surface, and the cooling water that has absorbed heat in the bosh extruded, thereby can improve cooling effect.
Each shaped block assembly is provided with air flue and the air supply opening that communicates with bosh, and casing is provided with the outer air supply opening to the bosh air feed of each shaped block assembly, and outer air supply opening communication conduits communicates with air supply opening on each shaped block assembly.By in the bosh of shaped block assembly, inflating, can improve the flowing velocity of cooling water in bosh, to improve its cooling effect.
As shown from the above technical solution, the utility model adopts the shaped block assembly of the built-in bosh of die cavity wall, reduced the quantity of shaped block assembly, can reduce shaped block assembly machining accuracy, make that by the guide rail location assembling is more accurate, improve the quality of section bar product, and distance is adjustable between the adjacent shaped block assembly.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is along A-A line cutaway view among Fig. 1;
Fig. 3 is along B-B line cutaway view among Fig. 1;
Fig. 4 is the local structure for amplifying schematic diagram in C place among Fig. 3.
The specific embodiment
As shown in Figures 1 to 4, cooling water tank is the casing 1 of a sealing in the middle of the utility model, tank ends 12,14 is provided with section bar 4 and imports and exports 121,141, casing 1 is provided with the water inlet 8 of cooling water supply in casing on two sidewalls 16,17 of section bar arrival end, on the sidewall 17 of the port of export, be provided with delivery port 9, case lid 11 is provided with and vacuumizes interface 113, Pressure gauge 111 and regulate the control valve 112 of vacuum in the casing, along section bar 4 moving directions several shaped block assemblies 2 are set at interval in the casing 1, shaped block assembly 2 has four in this example.Box bottom 13 tops are provided with two positioning guide rails that are arranged in parallel 5 along the section bar moving direction, each shaped block assembly 2 bottom is provided with the gathering sill that cooperates with positioning guide rail 5, shaped block assembly 2 cooperates support by the gathering sill below it and is fixed on the positioning guide rail 5 with positioning guide rail 5, shaped block assembly at casing section bar arrival end is close on the casing end wall 12, each shaped block assembly 2 around and casing 1 between gapped, so that the flow of cooling water in the casing, the gap between the adjacent shaped block assembly is outer cooling chamber 3.
The cavity surface of each shaped block assembly 2 cooperates with section bar 4 spaced surfaces, have bosh 27 on the die cavity inwall of each shaped block assembly 2 around the die cavity wall, have four roads that be arranged in parallel bosh 27 in this example on the die cavity inwall of each shaped block assembly 2 around the die cavity wall, the cooling-water duct 26 that connects two boshes is provided with to die cavity wall lopsidedness along water (flow) direction, make the current that enter bosh 27 directly wash away the section bar surface, make the lower cooling water of temperature fully contact, to improve cooling effect with the section bar surface.The first road bosh, 271 front ends of each shaped block assembly 2 are provided with a sealing hydroecium 25 around the die cavity wall, also are provided with the cooling water channel 261 that is provided with to die cavity wall lopsidedness along water (flow) direction between the sealing hydroecium 25 and the first road bosh 271.
Have the water inlet 29 of the cooling water intake tunnel 28 that sealing hydroecium 25 communicates in shaped block assembly 2 both sides, have at the top of shaped block assembly 2 and seal air flue 24 and the air supply opening 23 that hydroecium 25 communicates, in shaped block assembly 2 both sides and the top have exhalant canal 21 and the delivery port 22 that communicates with last bosh 272, casing 1 sidewall 16,17 are provided with the outer water inlet 6 to each shaped block assembly cooling water supply, casing 1 sidewall 17 is provided with the outer air supply opening of inflating 7 in each shaped block assembly, and respectively by flexible pipe 61,71 with shaped block assembly 2 on water inlet 29, air supply opening 23 is connected.
When section bar 4 passes through shaped block assembly 2, cooling water is entered in the sealing hydroecium 25 by the outer water inlet 6 on casing 1 sidewall and flexible pipe 61, water inlet 23 and intake tunnel 28 on shaped block assembly sidewall, cooling-water duct 261 through tilting enters in the first road bosh 271 again, the water-bath cooling is carried out on the section bar surface, enter next bosh 27 more successively, until one bosh 272, be expelled in the casing 1 by exhalant canal 21 and delivery port 22 again; Inflate to sealing hydroecium 25 by air supply opening 23 on the outer air supply opening 7, flexible pipe 71 and the shaped block assembly sidewall that are located at wall box and air flue 24 simultaneously, to improve the flowability of cooling water in the shaped block assembly.When section bar during, it is carried out the water-bath cooling by the cooling water in the water tank 1 through the outer cooling chamber 3 between the shaped block assembly.Cooling water in the water tank 1 is extracted out outside the water tank by delivery port 9.
In order to improve the cooling effectiveness of outer cooling chamber 3, the cooling water in each shaped block assembly 2 is expelled to water tank 1, a part of cooling water is by water inlet 8 supplies to water tank 1 direct cooling water supply.
The utility model also can be provided with the out outlet that is connected with each delivery port 22 of each shaped block assembly 2 on water tank 1 sidewall, the cooling water in the shaped block assembly 2 can directly be derived water tank 1 outside by the out outlet by flexible pipe; And the cooling water in the water tank 1 is all by water inlet 8 supplies.
Claims (6)
1. the middle cooling water tank that can be used for the high speed extrusion die, the casing (1) that comprises sealing, tank ends is provided with section bar (4) and advances, outlet (121,141), casing (1) is provided with delivery port (9) and vacuumizes interface (113), along the section bar moving direction several shaped block assemblies (2) are set at interval in the casing (1), it is characterized in that: the cavity surface of each shaped block assembly (2) cooperates with section bar (4) spaced surface, have bosh (27) on the die cavity inwall of each shaped block assembly (2) around the die cavity wall, have on the shaped block assembly (2) and advancing that bosh (27) communicates, exhalant canal (28,21) and advance, delivery port (29,22), casing (1) is provided with by the outer water inlet (6) of pipeline (61) to each shaped block assembly (2) cooling water supply.
2. the middle cooling water tank that can be used for the high speed extrusion die according to claim 1, it is characterized in that: casing (1) is provided with the water inlet (8) of cooling water supply in casing, and the out outlet that is communicated with delivery port (22) on each shaped block assembly (2) by pipeline.
3. the middle cooling water tank that can be used for the high speed extrusion die according to claim 1, it is characterized in that: box bottom (13) top is provided with positioning guide rail (5) along section bar (4) moving direction, and each shaped block assembly (2) bottom is provided with the gathering sill that cooperates with positioning guide rail (5).
4. the middle cooling water tank that can be used for the high speed extrusion die according to claim 1, it is characterized in that: have the bosh (27) of some roads on the die cavity inwall of each shaped block assembly (2) around the die cavity wall, water-in and water-out passage (28,21) is arranged on shaped block assembly (2) two ends and communicates with the bosh of an end respectively, has the cooling-water duct (26) that connects two boshes on the wall between the adjacent twice bosh (27).
5. the middle cooling water tank that can be used for the high speed extrusion die according to claim 4 is characterized in that: the cooling-water duct (26) that each shaped block assembly (2) connects two boshes is provided with to die cavity wall lopsidedness along water (flow) direction.
6. according to claim 1 or 2 or 3 or the 4 or 5 described middle cooling water tanks that can be used for the high speed extrusion die, it is characterized in that: each shaped block assembly (2) is provided with air flue (24) and the air supply opening (23) that communicates with bosh (27), casing (1) is provided with the outer air supply opening (7) to bosh (27) air feed of each shaped block assembly (2), and outer air supply opening (7) communicates with air supply opening (23) on each shaped block assembly by pipeline (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205394280U CN201792482U (en) | 2010-09-19 | 2010-09-19 | Intermediate cooling water tank for high-speed extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205394280U CN201792482U (en) | 2010-09-19 | 2010-09-19 | Intermediate cooling water tank for high-speed extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201792482U true CN201792482U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205394280U Expired - Fee Related CN201792482U (en) | 2010-09-19 | 2010-09-19 | Intermediate cooling water tank for high-speed extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201792482U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947850A (en) * | 2010-09-19 | 2011-01-19 | 铜陵格瑞特挤出技术有限公司 | Intermediate cooling water tank capable of being used for high-speed extrusion mold |
| CN102975351A (en) * | 2012-12-03 | 2013-03-20 | 安徽耐科挤出科技股份有限公司 | Anti-reversing device in plastic profile extrusion die water tank |
| CN104842543A (en) * | 2015-05-20 | 2015-08-19 | 铜陵格瑞特挤出技术有限公司 | Dry type shaping die capable of eliminating profile surface splicing traces |
| CN113954329A (en) * | 2021-11-10 | 2022-01-21 | 重庆金山洋生管道有限公司 | Large-diameter ribbed pipe processing equipment |
-
2010
- 2010-09-19 CN CN2010205394280U patent/CN201792482U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947850A (en) * | 2010-09-19 | 2011-01-19 | 铜陵格瑞特挤出技术有限公司 | Intermediate cooling water tank capable of being used for high-speed extrusion mold |
| CN101947850B (en) * | 2010-09-19 | 2012-10-03 | 铜陵格瑞特挤出技术有限公司 | Intermediate cooling water tank capable of being used for high-speed extrusion mold |
| CN102975351A (en) * | 2012-12-03 | 2013-03-20 | 安徽耐科挤出科技股份有限公司 | Anti-reversing device in plastic profile extrusion die water tank |
| CN104842543A (en) * | 2015-05-20 | 2015-08-19 | 铜陵格瑞特挤出技术有限公司 | Dry type shaping die capable of eliminating profile surface splicing traces |
| CN113954329A (en) * | 2021-11-10 | 2022-01-21 | 重庆金山洋生管道有限公司 | Large-diameter ribbed pipe processing equipment |
| CN113954329B (en) * | 2021-11-10 | 2023-12-15 | 重庆金山洋生管道有限公司 | Processing equipment for large-caliber reinforced pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |