CN108790105B - Plastic pipe sizing cooling production device - Google Patents
Plastic pipe sizing cooling production device Download PDFInfo
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- CN108790105B CN108790105B CN201710311371.5A CN201710311371A CN108790105B CN 108790105 B CN108790105 B CN 108790105B CN 201710311371 A CN201710311371 A CN 201710311371A CN 108790105 B CN108790105 B CN 108790105B
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- sizing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention provides a plastic pipe sizing cooling production device which comprises a circular sizing core and a circular sizing shell, wherein the circular sizing core comprises an inlet and an outlet of a plastic pipe and is concentrically fixed in an inner cavity of the circular sizing shell, and two ends of the circular sizing core and two ends of the circular sizing shell are flush; the annular space between the circular sizing inner core and the circular sizing outer shell is generally divided into a sizing area and a primary cooling area, the sizing area is used for sizing the plastic pipe, and the primary cooling area is used for rapidly cooling the plastic pipe. This plastic tubing sizing cooling apparatus for producing adopts the design of integration with sizing district and cooling space for equipment's more intensive, the field space who occupies is littleer, and installation and dismantlement etc. are all more convenient, can control the deformation degree after the plastic tubing is extruded, make its cooling more even, can finally control the diameter requirement that wants to reach with the body that warp easily, have increased substantially the quality and the lumber recovery of product.
Description
Technical Field
The invention belongs to the field of plastic pipe manufacturing, and particularly relates to a plastic pipe sizing and cooling production device for sizing and cooling a plastic pipe fitting.
Background
At present, some raw materials in a production workshop of the plastic pipe have the characteristics of strong fluidity, poor shaping capability and the like after being plasticized at high temperature. When the materials are used for producing plastic pipe bodies, adhesion deformation can occur in a high-temperature state, and the materials are hard after being cooled by the conventional cooling process and device, but most of the materials do not meet the use requirements and related product standards, so that the smooth production, the product quality and the yield are seriously influenced.
Disclosure of Invention
The invention aims to: aiming at the problems, the method can control the deformation degree of the extruded plastic pipe, so that the plastic pipe is cooled more uniformly, and finally, the easily-deformed pipe body can be controlled to meet the diameter requirement, and the quality and yield of the product are greatly improved.
The technical scheme of the invention is realized as follows: a sizing cooling production device for a plastic pipe comprises a circular sizing core and a circular sizing shell, wherein the circular sizing core comprises a feeding port and a discharging port of the plastic pipe and is concentrically fixed in an inner cavity of the circular sizing shell, and two ends of the circular sizing core and two ends of the circular sizing shell are flush; the annular space between the circular sizing inner core and the circular sizing outer shell is generally divided into a sizing area and a primary cooling area, the sizing area is used for sizing the plastic pipe, and the primary cooling area is used for rapidly and uniformly cooling the plastic pipe. This plastic tubing sizing cooling apparatus for producing adopts the design of integration with sizing district and cooling space for equipment's more intensive, the on-the-spot space that occupies is littleer, and it is all more convenient to install and dismantle etc..
According to the plastic pipe sizing cooling production device, the inlet end and the outlet end of the plastic pipe in the annular space are respectively provided with the inlet sealing end plate and the outlet sealing end plate, the middle part of the annular space is provided with the boundary sealing plate, a sizing area is arranged between the inlet sealing end plate and the boundary sealing plate, and a primary cooling area is arranged between the outlet sealing end plate and the boundary sealing plate. The inlet sealing end plate, the outlet sealing end plate and the dividing sealing plate are plate-shaped sealing separators, an annular space between the circular sizing inner core and the circular sizing outer shell is sealed and divided into a sizing area and a primary cooling area. While a plate-like partition seal is generally preferred, other configurations may be used to the same effect.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the inlet sealing end plate, the outlet sealing end plate and the boundary sealing plate are fixedly arranged at two ends and the middle part of the circular sizing inner core, and the circular sizing inner core is concentrically and hermetically fixed in an inner cavity of the circular sizing shell in a detachable mode. In actual production, in order to adapt to the change of a production plan and facilitate scheduling and equipment adjustment, the inner diameter of a circular sizing shell can be generally fixed and matched with a series of circular sizing cores with different calibers, and an inlet sealing end plate, an outlet sealing end plate and a boundary sealing plate are fixedly arranged at the two ends and the middle part of the circular sizing core to form a whole; therefore, the series circular sizing inner core and the circular sizing outer shell can be assembled and disassembled at will according to the caliber and the wall thickness of the plastic pipe to be produced. By adopting the combination mode, the spare part cost of the equipment can be reduced to a great extent, and the manufacturing cost is further reduced.
According to the plastic pipe sizing and cooling production device, the outer edges of the inlet sealing end plate, the outlet sealing end plate and the boundary sealing plate are provided with the annular sealing rings.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the circular sizing inner core on one side of the sizing area is provided with uniform and regular air extraction holes, and the circular sizing shell on one side of the sizing area is provided with an air extraction opening. When the production is started, the thermoplastic pipe coming out of the plastic extruding machine enters from the inlet of the circular sizing inner core, and the air extractor is started to continuously extract air from the air extraction opening, so that a negative pressure environment is formed in the sizing area, the thermoplastic pipe tightly clings to the inner wall of the circular sizing inner core and moves forwards, and the sizing effect is achieved.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the sizing shell on one side of the primary cooling area is provided with a water inlet and a water outlet. Thus, the cooling water in the primary cooling area is continuously circulated, and the cooling effect is enhanced.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the sizing inner core on one side of the primary cooling area is also provided with N (N is more than or equal to 1) cutting sealing plates for cutting the primary cooling area into N +1 secondary cooling areas, and a water inlet and a water outlet are respectively arranged on the sizing shell of each secondary cooling area. The cooling process can be adjusted according to the material, the thickness and the like of the produced plastic pipe, the cooling speed can be controlled by adjusting the water inlet temperature and the circulating flow rate of the cooling water of different secondary cooling areas according to actual requirements, the forming quality of the plastic pipe is facilitated, and the service life of the plastic pipe at the later stage can be prolonged.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the forced cooling water tank comprises a water tank feeding port and a water tank discharging port, and the water tank feeding port is communicated with a discharging port of the circular sizing inner core. Thus, the cooling is more thorough, and the development of subsequent production procedures is facilitated.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: the circular sizing shell is provided with a flange plate at one end of a sizing outlet, bolt holes are uniformly formed in the circumferential direction of the flange plate, and the circular sizing shell is in sealing connection with the forced cooling water tank through the flange plate. The connection by means of a flange is a preferred way and not completely restricted thereto.
The invention relates to a plastic pipe sizing and cooling production device, which is characterized in that: and a water tank discharge port of the forced cooling water tank is connected with a plastic pipe discharge pipe.
The beneficial effects of the invention include: this plastic tubing sizing cooling apparatus for producing adopts the design of integration with sizing district and cooling space for equipment's more intensive, the field space who occupies is littleer, and installation and dismantlement etc. are all more convenient, can control the deformation degree after the plastic tubing is extruded, make its cooling more even, can finally control the diameter requirement that wants to reach with the body that warp easily, have increased substantially the quality and the lumber recovery of product.
Drawings
Fig. 1 is a schematic structural diagram of a sizing core according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a sizing core with an annular packing seal ring according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of an annular sizing housing according to embodiment 1 of the present invention.
Fig. 4 is an assembled perspective view of the annular sizing inner core and the annular sizing outer shell according to embodiment 1 of the invention.
Fig. 5 is an overall assembly schematic diagram of a sizing-cooling production apparatus for a plastic pipe according to embodiment 1 of the present invention.
The labels in the figure are: the device comprises a circular sizing inner core 1, a circular sizing outer shell 2, a forced cooling water tank 3, a plastic pipe discharging pipe 4, an inlet sealing end plate 11, an outlet sealing end plate 12, a boundary sealing plate 13, an air suction hole 14, an air suction opening 21, a water inlet 22, a water outlet 23, a flange 24 and a bolt hole 241.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention with reference to the accompanying drawings and embodiments will be made in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
the plastic pipe sizing cooling production device comprises a copper round sizing core (1) and a stainless steel round sizing shell (2), wherein the round sizing core (1) comprises an inlet and an outlet of a plastic pipe, and an inlet sealing end plate (11), an outlet sealing end plate (12) and a boundary sealing plate (13) are fixedly arranged at two ends and the middle part of the round sizing core (1) respectively; the outer edges of the inlet sealing end plate (11), the outlet sealing end plate (12) and the boundary sealing plate (13) are provided with annular sealing strips; the two ends of the circular sizing inner core (1) and the two ends of the circular sizing outer shell (2) are flush, and the circular sizing inner core (1) is concentrically and hermetically fixed in an inner cavity of the circular sizing outer shell (2) in a detachable mode.
A sizing area is arranged between the inlet sealing end plate (11) and the boundary sealing plate (13), and a primary cooling area is arranged between the outlet sealing end plate (12) and the boundary sealing plate (13); the sizing area is used for sizing the plastic pipe, and the primary cooling area is used for carrying out initial rapid cooling on the plastic pipe.
The sizing inner core (1) at one side of the sizing area is provided with uniform and regular air extraction holes (14), and the sizing outer shell (2) at one side of the sizing area is provided with an air extraction opening (21); the sizing shell (2) on one side of the primary cooling area is provided with a water inlet (22) and a water outlet (23).
The plastic pipe sizing and cooling production device further comprises a forced cooling water tank (3), wherein the forced cooling water tank (3) comprises a water tank feeding port (31) and a water tank discharging port (32), and the water tank feeding port (31) is communicated with a discharging port of the circular sizing inner core (1); a flange plate (24) is mounted at one end of a sizing outlet of the circular sizing shell (2), bolt holes (241) are uniformly formed in the circumferential direction of the flange plate (24), and the circular sizing shell (2) is in sealing connection with the forced cooling water tank (3) through the flange plate (24); and a water tank discharge hole (32) of the forced cooling water tank (3) is connected with a plastic pipe discharge pipe (4).
Example 2:
the present example differs from example 1 in that: the circular sizing core (1) and the circular sizing shell (2) are made of copper materials, and the circular sizing core (1) and the circular sizing shell (2) are fixedly connected through an inlet sealing end plate (11), an outlet sealing end plate (12) and a boundary sealing plate (13) in a welding mode. 2 dividing sealing plates (not shown in the drawing) are added in the primary cooling area between the outlet sealing end plate (12) and the boundary sealing plate (13) to divide the primary cooling area into 3 secondary cooling areas, and the shapes and the materials of the dividing sealing plates and the boundary sealing plate (13) are the same as those of the circular sizing inner core (1) and the circular sizing outer shell (2). The circular sizing shells (2) of the 3 secondary cooling zones are provided with a water inlet (22) and a water outlet (23). Different from the embodiment 1, the circular sizing inner core (1) and the circular sizing outer shell (2) in the embodiment are not detachable and are integrated, and when plastic pipes with different calibers are produced, the whole equipment needs to be adjusted and replaced. However, because 2 dividing sealing plates are added, the primary cooling area is divided into 3 sections, so that the adjustability of the cooling process can be increased according to the actual condition in the cold area by adopting a sectional cooling mode, the cooling is more uniform, and the quality and the service life of the product are increased.
Example 3:
the present example differs from example 1 in that: in the embodiment 1, the split sealing plates are additionally arranged, namely the split sealing plates are welded on the circular sizing core (1) of the primary cooling area, the shapes and the materials of the split sealing plates and the boundary sealing plates (13) are still the same, and the same ring-mounted sealing strips are arranged on the edges of the split sealing plates and the boundary sealing plates (13).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A plastic tubing sizing cooling apparatus for producing which characterized in that: the sizing device comprises a circular sizing core (1) and a circular sizing shell (2), wherein the circular sizing core (1) comprises a feeding port and a discharging port of a plastic pipe and is concentrically fixed in an inner cavity of the circular sizing shell (2), and two ends of the circular sizing core (1) and two ends of the circular sizing shell (2) are flush; an annular space between the circular sizing core (1) and the circular sizing shell (2) is divided into a sizing area and an initial cooling area, the sizing area is used for sizing the plastic pipe, and the initial cooling area is used for rapidly and uniformly cooling the plastic pipe;
an inlet sealing end plate (11) and an outlet sealing end plate (12) are respectively arranged at the inlet end and the outlet end of the plastic pipe in the annular space, a boundary sealing plate (13) is arranged in the middle of the annular space, a sizing area is arranged between the inlet sealing end plate (11) and the boundary sealing plate (13), and a primary cooling area is arranged between the outlet sealing end plate (12) and the boundary sealing plate (13);
the inlet sealing end plate (11), the outlet sealing end plate (12) and the boundary sealing plate (13) are fixedly arranged at the two ends and the middle part of the circular sizing inner core (1), and the circular sizing inner core (1) is concentrically and hermetically fixed in the inner cavity of the circular sizing shell (2) in a detachable mode; the circular sizing inner core (1) at one side of the sizing area is provided with uniform and regular air extraction holes (14), and the circular sizing outer shell (2) at one side of the sizing area is provided with an air extraction opening (21); the circular sizing core (1) on one side of the primary cooling area is also provided with more than 1 cutting sealing plate to cut the primary cooling area into a plurality of secondary cooling areas, and a water inlet (22) and a water outlet (23) are respectively arranged on the circular sizing shell (2) of each secondary cooling area.
2. Sizing and cooling production device for plastic tubes according to claim 1, characterised in that: and the outer edges of the inlet sealing end plate (11), the outlet sealing end plate (12) and the boundary sealing plate (13) are provided with annular sealing rings (15).
3. Sizing and cooling production device for plastic tubes according to claim 1, characterised in that: the circular sizing shell (2) on one side of the primary cooling area is provided with a water inlet (22) and a water outlet (23).
4. Sizing and cooling production device for plastic tubes according to claim 1, characterised in that: the sizing device is characterized by further comprising a forced cooling water tank (3), wherein the forced cooling water tank (3) comprises a water tank feeding port (31) and a water tank discharging port (32), and the water tank feeding port (31) is communicated with a discharging port of the circular sizing inner core (1).
5. Sizing and cooling production device for plastic tubes according to claim 4, characterised in that: a flange plate (24) is installed at one end of a sizing outlet of the circular sizing shell (2), bolt holes (241) are evenly formed in the circumferential direction of the flange plate (24), and the circular sizing shell (2) is in sealing connection with the forced cooling water tank (3) through the flange plate (24).
6. Sizing and cooling production device for plastic tubes according to claim 5, characterised in that: and a water tank discharge hole (32) of the forced cooling water tank (3) is connected with a plastic pipe discharge pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311371.5A CN108790105B (en) | 2017-05-05 | 2017-05-05 | Plastic pipe sizing cooling production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311371.5A CN108790105B (en) | 2017-05-05 | 2017-05-05 | Plastic pipe sizing cooling production device |
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| Publication Number | Publication Date |
|---|---|
| CN108790105A CN108790105A (en) | 2018-11-13 |
| CN108790105B true CN108790105B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710311371.5A Active CN108790105B (en) | 2017-05-05 | 2017-05-05 | Plastic pipe sizing cooling production device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659113A (en) * | 2009-09-08 | 2010-03-03 | 上海清远管业科技有限公司 | Vacuum sizing device for producing tube with plastic winding structural wall |
| CN203945654U (en) * | 2014-07-04 | 2014-11-19 | 芜湖中源赛特管业有限公司 | Tubing diameter-setting equipment |
| CN204547044U (en) * | 2015-04-15 | 2015-08-12 | 倪传华 | A kind of pipe with small pipe diameter diameter-setting equipment |
| CN105751478A (en) * | 2014-12-13 | 2016-07-13 | 天津满华管材有限公司 | Sizing casing pipe cover for PE-pipe cooling water tank |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843339B4 (en) * | 1998-09-22 | 2007-08-02 | Egeplast Werner Strumann Gmbh & Co.Kg | Method and device for producing plastic pipes |
| CN205058565U (en) * | 2015-10-13 | 2016-03-02 | 四川中航超高分子量管业有限公司 | Plastics tubular product vacuum design case |
-
2017
- 2017-05-05 CN CN201710311371.5A patent/CN108790105B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659113A (en) * | 2009-09-08 | 2010-03-03 | 上海清远管业科技有限公司 | Vacuum sizing device for producing tube with plastic winding structural wall |
| CN203945654U (en) * | 2014-07-04 | 2014-11-19 | 芜湖中源赛特管业有限公司 | Tubing diameter-setting equipment |
| CN105751478A (en) * | 2014-12-13 | 2016-07-13 | 天津满华管材有限公司 | Sizing casing pipe cover for PE-pipe cooling water tank |
| CN204547044U (en) * | 2015-04-15 | 2015-08-12 | 倪传华 | A kind of pipe with small pipe diameter diameter-setting equipment |
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| CN108790105A (en) | 2018-11-13 |
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