CN102501342B - Cooling jacket for double-wall corrugated pipe - Google Patents

Cooling jacket for double-wall corrugated pipe Download PDF

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Publication number
CN102501342B
CN102501342B CN201110311146.4A CN201110311146A CN102501342B CN 102501342 B CN102501342 B CN 102501342B CN 201110311146 A CN201110311146 A CN 201110311146A CN 102501342 B CN102501342 B CN 102501342B
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China
Prior art keywords
annular groove
fluid hole
cooling
distributor
double
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Expired - Fee Related
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CN201110311146.4A
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Chinese (zh)
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CN102501342A (en
Inventor
何海潮
王淳德
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SUZHOU JWELL PRECISION MACHINERY CO Ltd
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SUZHOU JWELL PRECISION MACHINERY CO Ltd
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Priority to CN201110311146.4A priority Critical patent/CN102501342B/en
Publication of CN102501342A publication Critical patent/CN102501342A/en
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Publication of CN102501342B publication Critical patent/CN102501342B/en
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Abstract

The invention provides a cooling jacket for a double-wall corrugated pipe. The cooling jacket comprises an inner jacket, an outer jacket coaxially sleeved on the outer side of the inner jacket, a distributor located at one end part of the inner jacket, a cooling liquid inlet pipe mounted on the distributor, and a cooling liquid outlet pipe mounted at the other end part of the inner jacket. A cooling cavity for a cooling liquid to flow is formed between the outer jacket and the inner jacket. A first annular groove and a second annular groove are arranged along the circumference of the distributor. The first annular groove is communicated with the cooling liquid inlet pipe. The distributor is further provided with a plurality of primary liquid outlets which are communicated with the first annular groove and the second annular groove, and with a plurality of secondary liquid outlets which are communicated with the second annular groove and the cooling cavity. The primary liquid outlets and the secondary liquid outlets are separately and uniformly distributed on the distributor along the circumference of the distributor.

Description

The coolant jacket of double-wall corrugated pipe
Technical field
the present invention relates to a kind of coolant jacket of double-wall corrugated pipe, in double-wall corrugated pipe forming process for cooling bellows inwall.
Background technology
in process of production, the shape of its outer wall is decided by crest shape and the distributing position of forming module inwall double-wall corrugated pipe.The inner surface of its inwall is formed on the outer surface of coolant jacket, and the outer surface of inwall is the inside and outside wall that forms double-wall corrugated pipe together with the trough of the inner surface of the outer wall of forming module is extrusion bonded.And existing inwall cooling means is to adopt simple water-cooling pattern to carry out cooling, water collar wherein generally includes jacket and inner sleeve, between inner sleeve and overcoat, form annular waterway, one end of inner sleeve is provided with cooling fluid entrance, by the helicla flute being arranged between inner sleeve and overcoat, cooling fluid is upwards uniformly distributed in week.But because cooling fluid entrance only has one, therefore researcher tends to find, local inwall cooling velocity near cooling fluid entrance is fast, and it is slow away from the local cooling velocity of cooling fluid entrance, from looking up in week, the inwall of double-wall corrugated pipe everywhere cooling velocity is inhomogeneous, and therefore the ring stiffness of bellows and ring flexibility are poor.
for overcoming the problem of above-mentioned inhomogeneous cooling, conventional art is mainly that flow velocity and the effective contact area of increase by strengthening cooling water improved homogeneity question, but still there is drawback in it, cooling liquid speed strengthens, cause on the one hand the waste of cooling fluid, on the other hand along with the increase of fluid pressure will cause the demand that improves system sealing, and the water-tight equipment of high request has not only increased equipment cost but also realize difficulty.Therefore cause traditional cooling means to there is weak effect, inefficient shortcoming, and the inner surface quality heterogeneity of goods, had a strong impact on the ring stiffness ring flexibility of goods.
Summary of the invention
the object of the invention is for above-mentioned the deficiencies in the prior art, the coolant jacket of the cooling bellows inwall of a kind of energy Quick uniform is provided.
for achieving the above object, the present invention adopts following technical scheme: a kind of coolant jacket of double-wall corrugated pipe, comprise inner sleeve, coaxial sleeve is located at the overcoat in described inner sleeve outside, be positioned at the distributor of an end of described inner sleeve, be arranged on the cooling fluid feed tube on described distributor, be positioned at the cooling fluid drain pipe of the other end of described inner sleeve, between described jacket and inner sleeve, form the cooling chamber for coolant flow, on described distributor, edge circumferentially offers the first annular groove and the second annular groove, the first described annular groove is connected with described feed tube, on described distributor, also have and be communicated with the first described annular groove and multiple one-level fluid holes of the second annular groove, and be communicated with multiple secondary fluid holes of the second described annular groove and described cooling chamber, multiple described one-level fluid holes and multiple described secondary fluid hole are uniformly distributed circumferentially respectively on described distributor.
preferably, on the perspective plane of the axial line of the coolant jacket perpendicular to described, multiple described one-level fluid holes and multiple described secondary fluid hole stagger mutually.
preferably, the quantity of described secondary fluid hole is the integral multiple of the quantity of described one-level fluid hole.
preferably, the quantity of described one-level fluid hole is 8, and the quantity of described secondary fluid hole is 16.
preferably, the aperture of described secondary fluid hole is less than the aperture of described one-level fluid hole.
preferably, secondary fluid hole adjacent with described one-level fluid hole and that lay respectively at described in two of described one-level fluid hole both sides equates to the distance of this one-level fluid hole.
preferably, the first described annular groove is positioned at one end of described distributor, and the second described annular groove is positioned at other one end of described distributor.
preferably, on the outer surface of described inner sleeve, be also provided with the raised line extending along the hand of spiral, described raised line forms cold the anhydrating of extending along the hand of spiral by described cooling chamber isolation, and described secondary fluid hole is communicated with the second described annular groove and described cooling water channel.
principle of the present invention is: distributor adopts cirque structure, by offering the first annular groove, the second annular groove, one-level fluid hole, secondary fluid hole, described the first annular groove is connected with cooling fluid feed tube, first the water of coming in from feed tube be full of whole the first annular groove, after the shunting of one-level fluid hole, cooling fluid enters the second annular groove, by multiple described secondary fluid holes, entered in cooling chamber again, thereby the cooling fluid that enters distributor can be disperseed at the circumferencial direction of distributor through one-level fluid hole and secondary fluid hole, reach evenly cooling order.By multiple described a fluid hole and the second fluid holes, make the second annular groove inside everywhere water velocity and pressure all very even, and enter equably in spirality cooling water channel.
due to the existence of distributor, when cooling fluid enters distributor from feed tube, first cooling water is full of first annular groove on right side, because feed tube only has one, the inside that makes the first annular groove at a distance can be different with flow velocity with water flow pressure more nearby from feed tube, but along with current enter by the uniform distribution of multiple one-level fluid hole after second annular groove in left side, in the second annular groove, water velocity and pressure everywhere will tend to be steady, finally by multiple circumferential equally distributed secondary fluid holes, enter after spirality cooling water channel again, the speed of cooling fluid and pressure can reach further balance, and then raising cooling effect and efficiency.
the present invention compared with prior art has fast, the circumferential cooling uniform advantage of cooling velocity, even if do not increase flow velocity and the pressure of cooling fluid, still can guarantee good cooling effect, the double-wall corrugated pipe of manufacturing by this coolant jacket has good ring stiffness and ring flexibility, and product quality homogeneity can well be guaranteed.
Accompanying drawing explanation
accompanying drawing 1 is profile of the present invention;
the front view that accompanying drawing 2 is distributor of the present invention;
accompanying drawing 3 is the cutaway view along A-A in accompanying drawing 2;
wherein: 1, distributor; 2, overcoat; 3, inner sleeve; 4, feed tube; 5, drain pipe; 6, cooling water channel; 7, the second annular groove; 8, the first annular groove; 9, secondary fluid hole; 10, one-level fluid hole; 11, right side shrouding; 12, body; 13, cooling fluid entrance; 14, raised line.
The specific embodiment
below by accompanying drawing, embodiment is described, it is clear and easier to understand that advantage of the present invention will become.
as shown in Figure 1, the coolant jacket of this double-wall corrugated pipe comprises body 12 and is installed on the distributor 1 of body 12 one end, this body 12 comprises that inner sleeve 3, raised line 14, coaxial sleeve are located at the overcoat 2 in described inner sleeve 3 outsides, on distributor 1, be connected with cooling fluid feed tube 4, the other end of body 12 is provided with cooling fluid drain pipe 5, between described overcoat 2 and inner sleeve 3, form the cooling chamber for coolant flow, drain pipe 5 is connected with this cooling chamber.Cooling fluid enters distributor 1 through feed tube 4, and distributor 1 makes cooling fluid dispersed in a circumferential direction, and enters in cooling chamber, finally by drain pipe 5, flows out.
as shown in accompanying drawing 2, accompanying drawing 3, the position that distributor 1 is connected with feed tube 4 offers a cooling fluid entrance 13, on described distributor 1, edge circumferentially offers the first annular groove 8 and the second annular groove 7, this cooling fluid entrance 13 leads to the first annular groove 8, the first annular groove 8 is opened in one end of distributor 1, thereby notch is blocked the cavity that forms a sealing by right side shrouding 11.The first annular groove 8 is circumferentially evenly connected with multiple one-level fluid holes 10, and multiple one-level fluid holes 10 extend axially along distributor 1, connects the first annular groove 8 and the second annular groove 7.The end face that the notch of the second annular groove 7 extends internally by overcoat 2 is shut sealing, on the circumference of the second annular groove 7, be uniform-distribution with multiple secondary fluid holes 9, in inner sleeve 3, be provided with the multiple raised lines 14 that extend along the hand of spiral, this raised line 14 forms multiple cooling water channels that extend spirally 6 by cooling chamber isolation, and multiple secondary fluid hole 9 is communicated with this second annular groove 7 and cooling water channel 6.Spiral helicine cooling water channel 6 is surrounded on body 12, makes the left end cooling surface of body 12 take away as far as possible soon and uniformly heat.
for guaranteeing the along the circumferential direction homogeneity of cooling velocity and effect of double-wall corrugated pipe, multiple described one-level fluid holes 10 and multiple described secondary fluid hole 9 are uniformly distributed circumferentially respectively on described distributor 1.Preferably, on the perspective plane of the axial line of the coolant jacket perpendicular to described, as shown in Figure 2, multiple described one-level fluid holes 10 and multiple described secondary fluid hole 9 stagger mutually, can more be of value to like this dispersion of cooling fluid.
the aperture of secondary fluid hole 9 is less than the aperture of one-level fluid hole 10, and the quantity of described secondary fluid hole 9 is integral multiples of the quantity of described one-level fluid hole 10, can farthest guarantee that like this cooling fluid can be in a circumferential direction by each secondary fluid hole 9 uniform distributions.In the present embodiment, the quantity of secondary fluid hole 9 is twices of one-level fluid hole 10 quantity, and the quantity of one-level fluid hole is 8, and the quantity of secondary fluid hole is 16.
preferably, secondary fluid hole 9 adjacent with described one-level fluid hole 10 and that lay respectively at described in two of described one-level fluid hole 10 both sides equates to the distance of this one-level fluid hole 10, the a pair of secondary fluid hole 9 that is to say each one-level fluid hole 10 both sides equates to the linear distance of this one-level fluid hole 10, and therefore cooling fluid can be distributed in above-mentioned a pair of secondary fluid hole 9 equably.
set forth the course of work of this coolant jacket below:
when cooling fluid enters the water inlet 13 of distributor 1 by feed tube 4, first cooling fluid is full of whole the first annular groove 8, now interior hydraulic pressure and the water velocity apart from water inlet 13 different distance places of the first annular groove 8 is unstable, then cooling fluid enters in the second annular groove 7 through the multiple one-level fluid holes 10 that are evenly distributed on above the first annular groove 8 annulus, now the second interior edge of annular groove 7 circumferentially hydraulic pressure everywhere and water velocity because through the even elicitation effect of multiple one-level fluid holes 10 than more steady in the first annular groove 8, then cooling fluid enters in cooling water channel 6 uniformly by the shunting that is evenly distributed on the circumferential secondary fluid hole 9 of the second annular groove 7 again, cooling fluid along cooling water channel 6 spirals advance make coolant jacket week cooling effect upwards more even, final cooling fluid is through cooling chamber, be drained in drain pipe 5.
distributor of the present invention carries out two sub-distribution by cooling fluid, thereby make the fluid pressure at each secondary fluid hole place being connected with cooling water channel close, in general two-stage annular groove is set all presses buffering just can reach good effect, large-scale or precise corrugated pipe formers for some, also can adopt tertiary circulation groove or level Four groove structure, principle is identical with the present invention.
above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.

Claims (8)

1. the coolant jacket of a double-wall corrugated pipe, comprise inner sleeve, coaxial sleeve is located at the overcoat in described inner sleeve outside, be positioned at the distributor of an end of described inner sleeve, be arranged on the cooling fluid feed tube on described distributor, be positioned at the cooling fluid drain pipe of the other end of described inner sleeve, between described jacket and inner sleeve, form the cooling chamber for coolant flow, it is characterized in that: on described distributor, edge circumferentially offers the first annular groove and the second annular groove, the first described annular groove is connected with described feed tube, on described distributor, also have and be communicated with the first described annular groove and multiple one-level fluid holes of the second annular groove, and be communicated with multiple secondary fluid holes of the second described annular groove and described cooling chamber, multiple described one-level fluid holes and multiple described secondary fluid hole are uniformly distributed circumferentially respectively on described distributor.
2. the coolant jacket of double-wall corrugated pipe according to claim 1, is characterized in that: on the perspective plane of the axial line of the coolant jacket perpendicular to described, multiple described one-level fluid holes and multiple described secondary fluid hole stagger mutually.
3. the coolant jacket of double-wall corrugated pipe according to claim 1, is characterized in that: the quantity of described secondary fluid hole is the integral multiple of the quantity of described one-level fluid hole.
4. the coolant jacket of double-wall corrugated pipe according to claim 3, is characterized in that: the quantity of described one-level fluid hole is 8, and the quantity of described secondary fluid hole is 16.
5. the coolant jacket of double-wall corrugated pipe according to claim 3, is characterized in that: the aperture of described secondary fluid hole is less than the aperture of described one-level fluid hole.
6. the coolant jacket of double-wall corrugated pipe according to claim 3, is characterized in that: secondary fluid hole adjacent with described one-level fluid hole and that lay respectively at described in two of described one-level fluid hole both sides equates to the distance of this one-level fluid hole.
7. the coolant jacket of double-wall corrugated pipe according to claim 1, is characterized in that: the first described annular groove is positioned at one end of described distributor, and the second described annular groove is positioned at other one end of described distributor.
8. the coolant jacket of double-wall corrugated pipe according to claim 1, it is characterized in that: on the outer surface of described inner sleeve, be also provided with the raised line extending along the hand of spiral, described raised line forms by described cooling chamber isolation the cooling water channel extending along the hand of spiral, and described secondary fluid hole is communicated with the second described annular groove and described cooling water channel.
CN201110311146.4A 2011-10-14 2011-10-14 Cooling jacket for double-wall corrugated pipe Expired - Fee Related CN102501342B (en)

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CN201110311146.4A CN102501342B (en) 2011-10-14 2011-10-14 Cooling jacket for double-wall corrugated pipe

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CN102501342B true CN102501342B (en) 2014-05-07

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103935017B (en) * 2014-03-10 2016-03-09 苏州杰威尔精密机械有限公司 Straight trough cooling jacket

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0621120A2 (en) * 1993-04-15 1994-10-26 CULLOM MACHINE TOOL & DIE, INC. Plastic tube corrugator and mold blocks
DE10023291A1 (en) * 2000-05-15 2001-11-22 Bhs Corr Masch & Anlagenbau Heated/cooled roller for processing a corrugated cardboard web has inner and outer swivel bearings to support the hollow mantle at the axis end with the medium inflow/outflow and a sealing head
CN2496576Y (en) * 2001-07-21 2002-06-26 安徽国通高新管业股份有限公司 Water distributor sliding apparatus for two-wall corrugated pipe forming machine
CN2650972Y (en) * 2003-11-27 2004-10-27 甘国工 Plastic double-wall bellows shaping module enhanced cooler
CN101570053A (en) * 2009-06-11 2009-11-04 潍坊中云科研有限公司 Novel cooling device for manufacturing plastic double-wall corrugated pipe
CN202241741U (en) * 2011-10-14 2012-05-30 苏州杰威尔精密机械有限公司 Cooling jacket of double-wall corrugated pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0621120A2 (en) * 1993-04-15 1994-10-26 CULLOM MACHINE TOOL & DIE, INC. Plastic tube corrugator and mold blocks
DE10023291A1 (en) * 2000-05-15 2001-11-22 Bhs Corr Masch & Anlagenbau Heated/cooled roller for processing a corrugated cardboard web has inner and outer swivel bearings to support the hollow mantle at the axis end with the medium inflow/outflow and a sealing head
CN2496576Y (en) * 2001-07-21 2002-06-26 安徽国通高新管业股份有限公司 Water distributor sliding apparatus for two-wall corrugated pipe forming machine
CN2650972Y (en) * 2003-11-27 2004-10-27 甘国工 Plastic double-wall bellows shaping module enhanced cooler
CN101570053A (en) * 2009-06-11 2009-11-04 潍坊中云科研有限公司 Novel cooling device for manufacturing plastic double-wall corrugated pipe
CN202241741U (en) * 2011-10-14 2012-05-30 苏州杰威尔精密机械有限公司 Cooling jacket of double-wall corrugated pipe

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