CN115214108B - Smoke-removing water ring type precooling device - Google Patents
Smoke-removing water ring type precooling device Download PDFInfo
- Publication number
- CN115214108B CN115214108B CN202210525193.7A CN202210525193A CN115214108B CN 115214108 B CN115214108 B CN 115214108B CN 202210525193 A CN202210525193 A CN 202210525193A CN 115214108 B CN115214108 B CN 115214108B
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- end cover
- channel
- cooling
- intermediate body
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 60
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 description 9
- 239000000155 melt Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B29C48/25—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
- B29C48/901—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 of hollow bodies
-
- 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
- B29C48/27—Cleaning; Purging; Avoiding contamination
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A smoke-removing water ring type precooling device belongs to the technical field of cooling devices for plastic pipeline preparation. The cooling cavity adjusting end cover comprises a negative pressure cavity channel end cover, a middle body and a cooling cavity channel adjusting end cover, wherein the negative pressure cavity channel end cover and the cooling cavity channel adjusting end cover are respectively arranged at two sides of the cooling cavity channel adjusting end cover; a negative pressure cavity is formed between the negative pressure cavity end cover and the intermediate body, and a cooling cavity is formed between the cooling cavity adjusting end cover and the intermediate body; the intermediate body is provided with a negative pressure outlet communicated with the negative pressure cavity and a pressure water flow passage communicated with the cooling cavity. According to the invention, a negative pressure channel and a cooling channel are respectively formed between the negative pressure channel end cover and the intermediate body and between the cooling channel adjusting end cover and the intermediate body, and the negative pressure channel and the cooling channel are matched with an external negative pressure device and a cooling water source, so that the extruded die head melt can be rapidly cooled, and meanwhile, the smoke generated in the cooling process can be discharged, and the smoke is prevented from forming greasy substances and being stained at a water outlet, so that a flow channel is blocked, and the preparation of a plastic pipe is influenced.
Description
Technical Field
The invention belongs to the technical field of cooling devices for plastic pipeline preparation, and particularly relates to a smoke-removing water ring type precooling device.
Background
Plastic pipes are widely used in various fields due to the advantages of good corrosion resistance, light weight, convenient molding, easy processing and the like; in the preparation process of the plastic pipe, the pipe can generate smog in the extrusion process and the cooling process of the die, the smog can be rapidly cooled to form greasy matters in the contact process of the smog and the cooling device, and the greasy matters are stained at a water outlet, so that a flow passage is blocked, a water curtain is split to cause waste, and the production stability is affected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the smoke-removing water ring type precooling device which has good cooling effect, can quickly discharge smoke in time and avoids the blockage of a water ring flow passage.
The invention provides the following technical scheme: the smoke-removing water ring type precooling device comprises a negative pressure cavity channel end cover, an intermediate body and a cooling cavity channel adjusting end cover, wherein the negative pressure cavity channel end cover and the cooling cavity channel adjusting end cover are respectively arranged at two sides of the cooling cavity channel adjusting end cover; a negative pressure cavity is formed between the negative pressure cavity end cover and the intermediate body, and a cooling cavity is formed between the cooling cavity adjusting end cover and the intermediate body; and the intermediate body is provided with a negative pressure outlet communicated with the negative pressure cavity channel and a pressure water channel communicated with the cooling cavity channel.
Furthermore, the main body of the intermediate body is of an annular structure, a cavity partition board is arranged in the main body, and a circular truncated cone-shaped annular partition board is arranged on the cavity partition board; the outer side of the main body is provided with a boss.
Further, the negative pressure outlet and the pressure water flow passage are respectively arranged on the main body and the boss of the intermediate body, and the negative pressure outlet and the pressure water flow passage are both arranged along the radial direction of the main body of the intermediate body; the negative pressure outlet is connected with an external negative pressure device, and the pressurized water flow channel is connected with an external cooling water source.
Furthermore, the negative pressure cavity channel end cover and the cooling cavity channel adjusting end cover are both adjustably arranged on the intermediate body.
Further, the negative pressure cavity end cover is connected with the intermediate in a screwing way, a first screwing structure is arranged on the outer side of the negative pressure cavity end cover, and the first screwing structure is connected with one side of the intermediate in a screwing way; the middle part of the negative pressure cavity end cover is provided with a circular truncated cone-shaped annular negative pressure plate; an inlet of a negative pressure cavity is formed between the outer side wall of the annular negative pressure plate and the inner side wall of the annular partition plate.
Further, a second screwing structure is arranged on the outer side of the cooling cavity channel adjusting end cover, and the second screwing structure is screwed with the other side of the intermediate body; the middle part of the cooling cavity channel adjusting end cover is provided with an inserting block which is inserted into the middle body, and the inserting block is provided with a truncated cone-shaped through hole; and a water outlet of the cooling cavity channel is formed between the inner side wall of the through hole and the outer side wall of the annular partition plate.
Further, the included angle between the bus of the annular negative pressure plate and the bottom surface is larger than the included angle between the bus of the annular partition plate and the bottom surface; the included angle between the bus and the bottom surface of the annular partition plate is smaller than the included angle between the bus and the bottom surface of the annular partition plate.
Further, a sealing structure is arranged between the inner part of the intermediate body and the insert block.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) According to the invention, a negative pressure channel and a cooling channel are respectively formed between the negative pressure channel end cover and the intermediate body and between the cooling channel adjusting end cover and the intermediate body, and the negative pressure channel and the cooling channel are matched with an external negative pressure device and a cooling water source, so that the extruded die head melt can be rapidly cooled, and meanwhile, smoke generated in the cooling process can be discharged, and the smoke is prevented from forming greasy substances and being stained at a water outlet, thereby blocking a flow channel and affecting the preparation of a plastic pipe; the device has simple and compact structure, small temporary space and convenient use;
2) According to the invention, a cooling cavity channel with inclination is formed between the cooling cavity channel adjusting end cover and the intermediate, and cooling water can be uniformly sprayed to the periphery of the pipe along the cooling cavity channel to form a continuous sprayed annular water film; the water film seals the inlet of the sizing sleeve in an annular state before the die head melt enters the sizing sleeve, so that the die head melt is cooled and sized smoothly through the sizing sleeve; a negative pressure cavity with inclination is formed between the negative pressure cavity end cover and the intermediate body, so that smoke generated in the cooling process can be timely extracted through negative pressure;
3) According to the invention, the size of the gap at the inlet of the negative pressure cavity channel can be adjusted by screwing and adjusting the relative position between the end cover of the negative pressure cavity channel and the intermediate body, so that the flow is adjusted; the relative position between the end cover and the intermediate body can be adjusted by screwing the cooling cavity channel adjusting end cover, so that the size of the gap of the water outlet of the cooling cavity channel can be adjusted, and the water yield can be further adjusted.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the negative pressure channel end cap of the present invention;
FIG. 3 is a schematic diagram of the structure of the inventive intermediate;
FIG. 4 is a schematic view of the cooling gallery regulating end cap of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and examples of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
On the contrary, the invention is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the invention as defined by the appended claims. Further, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. The present invention will be fully understood by those skilled in the art without the details described herein.
Referring to fig. 1-4, a smoke-removing water ring type precooling device comprises a negative pressure cavity end cover 1, an intermediate body 2 and a cooling cavity adjusting end cover 3; the negative pressure cavity channel end cover 1 and the cooling cavity channel adjusting end cover 3 are respectively rotatably arranged on two sides of the intermediate body 2, a negative pressure cavity channel 4 is formed between the negative pressure cavity channel end cover 1 and the intermediate body 2, and a cooling cavity channel 5 is formed between the cooling cavity channel adjusting end cover 3 and the intermediate body 2.
Specifically, the main body of the intermediate body 2 is of an annular structure, a cavity partition plate 201 is arranged in the main body, and a circular truncated cone-shaped annular partition plate 202 is arranged on the cavity partition plate 201; the outer side of the main body is provided with a boss 203; the main body is provided with a negative pressure outlet 6 communicated with the negative pressure cavity 4 and connected with an external negative pressure device; the annular partition plate 202 is provided with a group of pressurized water flow passages 7 communicated with the cooling cavity passages 5, and the pressurized water flow passages 7 are uniformly distributed along the radial direction of the main body of the intermediate body 2 and are connected with an external cooling water source.
Specifically, a first screwing structure 101 is arranged on the outer side of the negative pressure cavity end cover 1, and a circular truncated cone-shaped annular negative pressure plate 102 is arranged in the middle; the negative pressure cavity end cover 1 is connected with one side of the intermediate body 2 in a screwing way through a first screwing structure 101. An inlet of the negative pressure cavity 4 is formed between the outer side wall of the annular negative pressure plate 102 and the inner side wall of the annular partition plate 202. According to the actual condition needs, the size of the gap at the inlet of the negative pressure cavity channel 4 can be adjusted by adjusting the screwing position between the negative pressure cavity channel end cover 1 and the intermediate body 2, and then the flow is adjusted.
Specifically, a second screwing structure 301 is arranged at the outer side of the cooling cavity channel adjusting end cover 3, and an inserting block 302 is arranged in the middle; the second screwing structure 301 is screwed with the other side of the intermediate body 2, the insert block 302 is inserted into the intermediate body 2, a truncated cone-shaped through hole 303 is formed in the insert block 302, and a water outlet of the cooling cavity 5 is formed between the inner side wall of the through hole 303 and the outer side wall of the annular partition plate 202. The size of the gap of the water outlet of the cooling cavity channel 5 is adjusted by adjusting the screwing position between the cooling cavity channel adjusting end cover 3 and the intermediate body 2, and then the water yield is adjusted, so that the melt expansion coefficient is achieved.
Specifically, the included angle between the bus of the annular separator 202 and the bottom surface, and the included angle between the bus of the annular negative pressure plate 102 and the bottom surface are preferably designed to sequentially increase.
Specifically, a sealing structure is arranged between the inner part of the main body of the intermediate body 2 and the insert block 302, and a sealing groove is arranged on the inner side wall of the main body of the intermediate body 2.
Specifically, the die, the sizing sleeve and the vacuum box are sequentially arranged, and the device of the embodiment is arranged at the front part of the sizing sleeve.
Before the melt of the pipe enters the sizing sleeve, cooling water flows into the annular cooling cavity channel 5 through the pressurized water channel 7, is uniformly sprayed to the periphery of the pipe through the water outlet of the inclined flow channel with an angle to form a continuously sprayed annular water film, and the annular water film seals the inlet of the sizing sleeve in an annular state before the melt of the pipe enters the sizing sleeve, so that the melt is smoothly cooled and sized through the sizing sleeve, and the expansion coefficient of the melt can be conveniently treated by only adjusting the size of the water outlet gap of the cooling cavity channel 5 while stabilizing the demolding expansion. Meanwhile, the external negative pressure device forms negative pressure in the negative pressure cavity 4, and smoke generated in the cooling process is pumped out to prevent the smoke from polluting the water outlet of the cooling cavity 5.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The utility model provides a smoke abatement water ring type precooling apparatus which characterized in that: the cooling cavity adjusting device comprises a negative pressure cavity channel end cover, an intermediate body and a cooling cavity channel adjusting end cover, wherein the negative pressure cavity channel end cover and the cooling cavity channel adjusting end cover are respectively arranged at two sides of the intermediate body; a negative pressure cavity is formed between the negative pressure cavity end cover and the intermediate body, and a cooling cavity is formed between the cooling cavity adjusting end cover and the intermediate body; the intermediate body is provided with a negative pressure outlet communicated with the negative pressure cavity channel and a pressure water channel communicated with the cooling cavity channel;
the negative pressure cavity channel end cover and the cooling cavity channel adjusting end cover are all adjustably arranged on the intermediate body;
the negative pressure cavity end cover is connected with the intermediate body in a screwing way, a first screwing structure is arranged on the outer side of the negative pressure cavity end cover, and the first screwing structure is connected with one side of the intermediate body in a screwing way; the middle part of the negative pressure cavity end cover is provided with a circular truncated cone-shaped annular negative pressure plate; an inlet of a negative pressure cavity is formed between the outer side wall of the annular negative pressure plate and the inner side wall of the annular partition plate;
the outer side of the cooling cavity channel adjusting end cover is provided with a second screwing structure, and the second screwing structure is screwed with the other side of the intermediate body; the middle part of the cooling cavity channel adjusting end cover is provided with an inserting block which is inserted into the middle body, and the inserting block is provided with a truncated cone-shaped through hole; a water outlet of a cooling cavity channel is formed between the inner side wall of the through hole and the outer side wall of the annular partition plate;
the main body of the intermediate body is of an annular structure, a cavity partition board is arranged in the main body, and a circular truncated cone-shaped annular partition board is arranged on the cavity partition board; the outer side of the main body is provided with a boss;
the negative pressure outlet and the pressure water flow passage are respectively arranged on the main body and the boss of the intermediate body, and are both arranged along the radial direction of the main body of the intermediate body; the negative pressure outlet is connected with an external negative pressure device, and the pressurized water flow channel is connected with an external cooling water source;
and the included angle between the bus of the annular negative pressure plate and the bottom surface is larger than the included angle between the bus of the annular partition plate and the bottom surface.
2. The apparatus of claim 1, wherein a seal is provided between the interior of the intermediate body and the insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525193.7A CN115214108B (en) | 2022-05-15 | 2022-05-15 | Smoke-removing water ring type precooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525193.7A CN115214108B (en) | 2022-05-15 | 2022-05-15 | Smoke-removing water ring type precooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115214108A CN115214108A (en) | 2022-10-21 |
| CN115214108B true CN115214108B (en) | 2024-02-13 |
Family
ID=83607869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210525193.7A Active CN115214108B (en) | 2022-05-15 | 2022-05-15 | Smoke-removing water ring type precooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN115214108B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671968A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active flow field controlling type five-machine-frame cold-rolling continuous-rolling board surface cleaning method |
| CN206692786U (en) * | 2017-04-21 | 2017-12-01 | 潍坊美珂新材料有限公司 | A kind of polyamide composite filaments production suction cooling device |
| CN209111496U (en) * | 2018-11-16 | 2019-07-16 | 武汉金牛经济发展有限公司 | A kind of efficient diameter-setting equipment of novel tubing |
| CN209158735U (en) * | 2018-09-30 | 2019-07-26 | 海宏科技（东莞）有限公司 | A kind of liquid glue cooling device |
| CN210814496U (en) * | 2019-09-19 | 2020-06-23 | 亚曦纺织整理(嘉兴)有限公司 | Waste gas purifying equipment of setting machine |
| CN216320768U (en) * | 2021-10-11 | 2022-04-19 | 长乐力恒锦纶科技有限公司 | Individual smoking system convenient to clean |
-
2022
- 2022-05-15 CN CN202210525193.7A patent/CN115214108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671968A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active flow field controlling type five-machine-frame cold-rolling continuous-rolling board surface cleaning method |
| CN206692786U (en) * | 2017-04-21 | 2017-12-01 | 潍坊美珂新材料有限公司 | A kind of polyamide composite filaments production suction cooling device |
| CN209158735U (en) * | 2018-09-30 | 2019-07-26 | 海宏科技（东莞）有限公司 | A kind of liquid glue cooling device |
| CN209111496U (en) * | 2018-11-16 | 2019-07-16 | 武汉金牛经济发展有限公司 | A kind of efficient diameter-setting equipment of novel tubing |
| CN210814496U (en) * | 2019-09-19 | 2020-06-23 | 亚曦纺织整理(嘉兴)有限公司 | Waste gas purifying equipment of setting machine |
| CN216320768U (en) * | 2021-10-11 | 2022-04-19 | 长乐力恒锦纶科技有限公司 | Individual smoking system convenient to clean |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115214108A (en) | 2022-10-21 |
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