CN218749237U - Cooling air ring for polyethylene pipe mouth mold - Google Patents
Cooling air ring for polyethylene pipe mouth mold Download PDFInfo
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- CN218749237U CN218749237U CN202223264102.3U CN202223264102U CN218749237U CN 218749237 U CN218749237 U CN 218749237U CN 202223264102 U CN202223264102 U CN 202223264102U CN 218749237 U CN218749237 U CN 218749237U
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- dryer
- cooling air
- cooling
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Abstract
The application provides a polyethylene pipe bush cooling air ring, including pipe box and air-blower, the pipe box cup joints and fixes on the bush, the one end of pipe box is fixed with the dryer, the tubular product that bush department extruded passes from the center of dryer, be fixed with a plurality of air-supply lines on the outer wall of dryer, a plurality of air-supply lines are the mode distribution of circumference array around the dryer, the air-supply line passes through the exhaust pipe intercommunication on connecting pipe and the air-blower, the air-supply line inserts in the dryer along the tangential of tubular product cross-section, the air-supply line is located and is equipped with the air outlet on the inner wall of dryer, the air outlet gets into the cooling air along the tangential. The utility model provides a polyethylene tubular product bush cooling air ring, tubular product carry out the forced air cooling in the dryer. The cooling air gets into the toroidal cavity between tubular product and the dryer along tangential direction, forms the whirl wind ring in the toroidal cavity, and then forms the heliciform air current, and the spiral air current encircles tubular product flow can effectual reduction discharge with higher speed around flowing for the velocity of flow in the dryer effectively improves air-cooled effect.
Description
Technical Field
The application relates to a polyethylene pipe cooling technology, in particular to a cooling air ring for a polyethylene pipe neck mold.
Background
When the polyethylene pipe is produced, the raw materials are firstly plasticized at high temperature and then extruded from the neck mold to form the pipe, and the pipe needs to be cooled rapidly after being extruded from the neck mold to play a role in plasticity.
The cooling is usually carried out in a water cooling mode or an air cooling mode, the structure of a water cooling nozzle is easy to block, frequent maintenance and replacement are needed, and the utilization rate is low; the air cooling is realized by adopting a cooling air ring to blow cooling air to the tubular product in an annular manner.
The existing cooling air ring is fixed at a mouth mold, and cooling air is directly blown to the pipe by an air blower to cool the pipe. The cooling mode of directly blowing, cooling air can mutual interference form the stream of detouring around tubular product, influences the velocity of flow, and does not do benefit to the flow of cooling air, can't reach the refrigerated better effect of rapid cooling.
SUMMERY OF THE UTILITY MODEL
The application provides a polyethylene pipe bush cooling air ring for solve the cooling air and produce the problem that flows around influencing the velocity of flow, unable rapid cooling around tubular product.
The application provides a polyethylene pipe bush cooling air ring, including pipe box and air-blower, the pipe box cup joints and fixes on the bush, the one end of pipe box is fixed with the dryer, the tubular product that bush department extruded passes from the center of dryer, be fixed with a plurality of air-supply lines on the outer wall of dryer, it is a plurality of the air-supply line is the mode distribution of circumference array around the dryer, the air-supply line passes through the exhaust pipe intercommunication on connecting pipe and the air-blower, the air-supply line inserts in the dryer along the tangential of tubular product cross-section, the air-supply line is located and is equipped with the air outlet on the inner wall of dryer, the air outlet gets into the cooling air along the tangential.
Optionally, a guide plate for spirally discharging the cooling air along the rotational flow direction is fixed on the inner wall of the air duct.
Optionally, the upper end and the lower end of the pipe sleeve are respectively inserted with a clamp, the clamps are tightly pressed and fixed with the mouth mold, an elastic pressing block is arranged between the clamps in the pipe sleeve, the elastic pressing block is fixed with the pipe sleeve, and the elastic pressing block is tightly pressed and attached to the outer wall of the mouth mold.
Optionally, a limiting ring for installation and positioning is fixed on the inner wall of the pipe sleeve, and the inner diameter of the limiting ring is smaller than the outer diameter of the die.
Optionally, the air blower is installed in the dust filtering box, the air blower is fixed to the dust filtering box through a fixing member, and an air inlet of the air blower faces the filtering structure on the dust filtering box.
Optionally, the filtering structure on the dust filtering box is a filtering cylinder, the filtering cylinder is detachably connected with the dust filtering box, and a filtering core is fixed in the filtering cylinder.
Optionally, the tail end of the air duct is provided with a dust cover which is detachably connected.
Compared with the prior art, the beneficial effect of the polyethylene pipe bush cooling air ring that this application provided is:
when the pipe extruded from the neck mold and the inner core passes through the air duct, cooling air is blown into the air duct through the air inlet pipe to perform air cooling. The cooling air blows in from the air outlet that the air-supply line is located the dryer, and the cooling air gets into the toroidal cavity between tubular product and the dryer along tangential direction, forms the whirl wind ring in tubular product annular cavity all around, forms the heliciform air current under the continuous promotion of cooling air, and the outer wall along tubular product of spiral air current is from the dryer opening part rapid outflow. The cooling wind that gets into along tangential direction can form the spiral air current, and the spiral air current encircles the production that the effectual reduction of tubular product flowing ability was flowed around, makes the faster discharge of steam that the cooling wind carried for the velocity of flow in the dryer effectively improves air-cooled effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a sectional front view of a cooling air ring of a polyethylene pipe die according to an embodiment of the present disclosure;
FIG. 2 is a right sectional view of a cooling air ring of a polyethylene pipe die according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a dust filter box of a cooling air ring of a polyethylene pipe die according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a cooling air ring of a polyethylene pipe die according to an embodiment of the present disclosure;
fig. 5 is a cross-sectional view at E-E of a cooling air ring of a polyethylene tube die provided in an embodiment of the present application.
Description of reference numerals:
a pipe sleeve 1; a blower 2; a clamp 3; a neck ring mold 4; an inner core 5; a tube 6; an air duct 7; an air inlet pipe 8; an air outlet 9; a connecting pipe 10; an exhaust duct 11; a baffle 12; a stop collar 13; a spring pressing block 14; a dust filtration box 15; a fixing member 16; a filter cartridge 17; a filter element 18; a dust cover 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-5, an embodiment of the present application provides a cooling air ring for a polyethylene pipe neck mold, including pipe sleeve 1 and air-blower 2, pipe sleeve 1 cup joints and fixes on neck mold 4, the one end of pipe sleeve 1 is fixed with dryer 7, pipe 6 that neck mold 4 department extruded passes from the center of dryer 7, be fixed with a plurality of air-supply lines 8 on the outer wall of dryer 7, it is a plurality of air-supply lines 8 distribute around the mode that dryer 7 is the circumference array, air-supply line 8 passes through connecting pipe 10 and air exhaust pipe 11 intercommunication on the air-blower 2, air-supply line 8 inserts in dryer 7 along the tangential of 6 cross-sections of tubular product, air-supply line 8 is located and is equipped with air outlet 9 on the inner wall of dryer 7, air outlet 9 gets into the cooling air along the tangential.
When the wind barrel is used, the wind barrel 7 is fixed on the mouth mold 4 through the pipe sleeve 1, the polyethylene material is extruded from the space between the mouth mold 4 and the inner core 5, and the pipe 6 formed by the polyethylene material penetrates out of the center of the wind barrel 7. The pipe 6 is cooled in the wind barrel 7, the air blower 2 discharges cooling air from the exhaust pipe 11, and the cooling air is blown into the wind barrel 7 from the air outlet 9 of the air inlet pipe 8 along the connecting pipe 10. Because the air inlet pipe 8 is inserted into the air duct 7 along the tangential direction of the section of the pipe 6, after cooling air enters along the tangential direction of the air duct 7, a rotational flow air ring is formed around the pipe 6, the cooling air is blown out from the opening of the air duct 7 along the outer wall of the pipe 6 in a spiral shape, and air cooling is carried out on the extruded pipe 6.
In this embodiment, when the pipe 6 extruded from the die 4 and the inner core 5 passes through the air duct 7, the cooling air blown into the air duct 7 through the air inlet pipe 8 is cooled by air cooling. Cooling air is blown in from an air outlet 9 of an air inlet pipe 8 in an air duct 7, the cooling air enters an annular cavity between a pipe 6 and the air duct 7 along the tangential direction, a rotational flow air ring is formed in the annular cavity around the pipe 6, a spiral air flow is formed under the continuous pushing of the cooling air, and the spiral air flow flows out from an opening of the air duct 7 along the outer wall of the pipe 6 quickly. The cooling wind that gets into along tangential direction can form the spiral air current, and the spiral air current encircles the production that 6 flows of tubular product can effectual reduction flows, makes the faster discharge of steam that the cooling wind carried for the velocity of flow in the dryer 7 effectively improves air-cooled effect.
In a possible embodiment, a deflector 12 for discharging cooling air spirally in the direction of the swirling flow is fixed to the inner wall of the air duct 7.
The guide plate 12 can further keep the air flow in the air duct 7 to be spirally discharged from the opening.
In a possible implementation manner, the clamps 3 are respectively inserted into the upper end and the lower end of the pipe sleeve 1, the clamps 3 are tightly pressed and fixed with the mouth mold 4, the elastic pressing block 14 is arranged between the clamps 3 in the pipe sleeve 1, the elastic pressing block 14 is fixed with the pipe sleeve 1, and the elastic pressing block 14 is tightly pressed and attached to the outer wall of the mouth mold 4.
Can fix the centre gripping of pipe box 1 on bush 4 through anchor clamps 3, make things convenient for the dismouting location, through the laminating that compresses tightly of elastic pressing block 14, can increase the fixed area of centre gripping and make pipe box 1 keep more stable state.
In a possible realization, a limiting ring 13 for installation and positioning is fixed on the inner wall of the pipe sleeve 1, and the inner diameter of the limiting ring 13 is smaller than the outer diameter of the die 4.
The limiting ring 13 is used for limiting the pipe sleeve 1 when inserted into the mouth mold 4, so that the installation is convenient, and the mouth mold 4 is prevented from extending into the air duct 7.
In a possible implementation, the blower 2 is installed in the dust filter box 15, the blower 2 is fixed to the dust filter box 15 by a fixing member 16, and an air inlet of the blower 2 faces the filtering structure on the dust filter box 15.
Lead to and filter dirt case 15 and can play the filtering action to the cooling air that blows in dryer 7, filter impurity and avoid the small dirt particle in the air to adhere to on the outer wall of tubular product 6, also avoid simultaneously that the dirt particle receives accelerating of cooling air to produce the impact to the tubular product outer wall, influence the surperficial smooth degree of tubular product.
In a possible implementation manner, the filtering structure on the dust filtering box 15 is a filtering cylinder 17, the filtering cylinder 17 is detachably connected with the dust filtering box 15, and a filtering core 18 is fixed in the filtering cylinder 17.
The filter cartridge 17 can be detached from the dust box 15 to facilitate replacement of the filter cartridge 18.
In a possible realization mode, the tail end of the air duct 7 is provided with a dust cover 19 which is detachably connected.
When the fan is not in production, the dustproof cover 19 covers the opening of the air duct 7, so that external dust is prevented from entering the air duct 7, and a dustproof effect is achieved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (7)
1. The utility model provides a polyethylene pipe bush cooling air ring which characterized in that: the cooling air pipe comprises a pipe sleeve (1) and an air blower (2), wherein the pipe sleeve (1) is fixedly sleeved on a mouth mold (4), an air duct (7) is fixed at one end of the pipe sleeve (1), a pipe (6) extruded from the mouth mold (4) penetrates through the center of the air duct (7), a plurality of air inlet pipes (8) are fixed on the outer wall of the air duct (7), the air inlet pipes (8) are distributed in a circumferential array mode around the air duct (7), the air inlet pipes (8) are communicated with an air exhaust pipe (11) on the air blower (2) through connecting pipes (10), the air inlet pipes (8) are inserted into the air duct (7) along the tangential direction of the section of the pipe (6), the air inlet pipes (8) are positioned on the inner wall of the air duct (7) and are provided with air outlets (9), and the air outlets (9) enter cooling air along the tangential direction.
2. The cooling air ring of polyethylene pipe die according to claim 1, characterized in that: and a guide plate (12) for spirally discharging cooling air along the rotational flow direction is fixed on the inner wall of the air duct (7).
3. The cooling air ring of polyethylene pipe die according to claim 1, characterized in that: the clamp (3) is inserted into the upper end and the lower end of the pipe sleeve (1) respectively, the clamp (3) is tightly pressed and fixed with the mouth mold (4), an elastic pressing block (14) is arranged between the clamps (3) in the pipe sleeve (1), the elastic pressing block (14) is fixed with the pipe sleeve (1), and the elastic pressing block (14) is tightly pressed and attached to the outer wall of the mouth mold (4).
4. The cooling air ring of polyethylene pipe die according to claim 3, characterized in that: a limiting ring (13) for mounting and positioning is fixed on the inner wall of the pipe sleeve (1), and the inner diameter of the limiting ring (13) is smaller than the outer diameter of the mouth mold (4).
5. The cooling air ring of polyethylene pipe die according to claim 1, characterized in that: the air blower (2) is installed in the dust filtering box (15), the air blower (2) is fixed with the dust filtering box (15) through a fixing piece (16), and an air inlet of the air blower (2) faces towards a filtering structure on the dust filtering box (15).
6. The cooling air ring of polyethylene pipe die according to claim 5, characterized in that: the last filtration of straining dirt case (15) is cartridge filter (17), cartridge filter (17) and straining dirt case (15) can dismantle the connection, cartridge filter (17) internal fixation has filter core (18).
7. The polyethylene pipe die cooling air ring according to any one of claims 1 to 6, characterized in that: the tail end of the air duct (7) is provided with a dust cover (19) which is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223264102.3U CN218749237U (en) | 2022-12-07 | 2022-12-07 | Cooling air ring for polyethylene pipe mouth mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223264102.3U CN218749237U (en) | 2022-12-07 | 2022-12-07 | Cooling air ring for polyethylene pipe mouth mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218749237U true CN218749237U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223264102.3U Active CN218749237U (en) | 2022-12-07 | 2022-12-07 | Cooling air ring for polyethylene pipe mouth mold |
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| CN (1) | CN218749237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116141636A (en) * | 2023-04-19 | 2023-05-23 | 沧州华祥塑业有限公司 | Cooling equipment for continuous extrusion molding of PVDF (polyvinylidene fluoride) pipe |
-
2022
- 2022-12-07 CN CN202223264102.3U patent/CN218749237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116141636A (en) * | 2023-04-19 | 2023-05-23 | 沧州华祥塑业有限公司 | Cooling equipment for continuous extrusion molding of PVDF (polyvinylidene fluoride) pipe |
| CN116141636B (en) * | 2023-04-19 | 2023-06-20 | 沧州华祥塑业有限公司 | Cooling equipment for continuous extrusion molding of PVDF (polyvinylidene fluoride) pipe |
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