CN114322631B - Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins - Google Patents
Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins Download PDFInfo
- Publication number
- CN114322631B CN114322631B CN202111665583.6A CN202111665583A CN114322631B CN 114322631 B CN114322631 B CN 114322631B CN 202111665583 A CN202111665583 A CN 202111665583A CN 114322631 B CN114322631 B CN 114322631B
- Authority
- CN
- China
- Prior art keywords
- profile
- sleeve
- die
- section bar
- fin
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000005096 rolling process Methods 0.000 claims description 73
- 238000005520 cutting process Methods 0.000 claims description 44
- 238000004049 embossing Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 11
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 210000004400 mucous membrane Anatomy 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a heat exchange coil of a heat conduction profile with special-shaped fins, which is characterized by comprising a heat exchange coil body, wherein the heat exchange coil body comprises a straight pipe section and a bent pipe section, the heat conduction profile of the special-shaped fins is arranged in the straight pipe section of the heat exchange coil body, the heat conduction profile of the special-shaped fins comprises round core rods arranged along the direction of the heat exchange coil body, main fins are arranged outside the core rods and uniformly divergently arranged along the center of the core rods, the outer ends of the main fins are in contact with the inner wall of the heat exchange coil body, and special-shaped structures are arranged on the main fins. The fluid in the heat exchange coil with the heat conducting section with the special-shaped fins can be conducted to the heat exchange coil body through the heat conducting section with the excellent heat conduction and arranged inside the heat conducting section, so that the heat exchange quantity and the heat exchange speed are greatly increased.
Description
Technical Field
The invention relates to a heat exchange coil of a heat conduction profile with special-shaped fins.
Background
Heat exchange coils are widely used for heat exchange of various fluids. The fluid flows in the tube, especially some liquid with viscosity, which can generate a layer of mucous membrane on the inner tube wall to prevent the heat conduction of the fluid heat to the heat exchange coil, thereby greatly reducing the heat exchange of the fluid to the heat exchange coil.
Disclosure of Invention
The invention aims to overcome the defects and provide the heat exchange coil pipe of the heat conduction profile with the special-shaped fins, which has good heat exchange effect.
The purpose of the invention is realized in the following way:
the utility model provides a heat exchange coil of heat conduction section bar with dysmorphism fin, its characterized in that includes the heat exchange coil main part, and the heat exchange coil main part includes straight pipe section and curved pipe section, be provided with the heat conduction section bar of dysmorphism fin in the straight pipe section of heat exchange coil main part, the heat conduction section bar of dysmorphism fin includes the circular shape plug that sets up along heat exchange coil main part direction, is provided with main fin outside the plug, and main fin evenly diverges along the plug center and arranges, the outer end of main fin contacts with the inner wall of heat exchange coil main part, is provided with special-shaped structure on the main fin, special-shaped structure is wave line, turn-ups or is the hole that runs through.
Preferably, the first fin groups and the second fin groups are staggered on the mandrel along the length direction, the lengths of the first fin groups and the second fin groups are equal, a fin group gap is formed between the first fin groups and the second fin groups, forty-five degree dislocation angles are formed between the first fin groups and the second fin groups, and the first fin groups and the second fin groups have the same structure except forty-five degrees of dislocation along the axial direction of the mandrel.
Preferably, the primary fins are four, and three holes are formed in the primary fin of each fin group.
As a preferred method for producing a heat exchange coil of a heat conducting profile with profiled fins, the following is used:
firstly, extruding and molding a through long section bar which is matched with the section shape of the fin group by adopting a die, and additionally producing a through long sleeve which is consistent with the main caliber of the heat exchange coil pipe;
step two, molding the through long section bar;
thirdly, twisting the through long section bar into a heat conduction section bar of the special-shaped fin, and arranging the heat conduction section bar in the through long sleeve to form a straight pipe section;
and step four, connecting the straight pipe section and the bent pipe section to form the heat exchange coil of the heat conduction profile with the special-shaped fins.
Preferably, the second step adopts a forming device to perform operation,
the forming device comprises a rolling wheel set, the rolling wheel set comprises a rolling cam set and a rolling concave die set which are arranged up and down, a rolling gap is reserved between the rolling cam set and the rolling concave die set which are arranged up and down, the rolling gap is matched with the thickness of a main fin, the rolling cam set comprises a front rolling cam set and a rear rolling cam set which are synchronously connected through a connecting wheel shaft, fin gaps are reserved between the two rolling cam sets and between the rolling concave die sets, the fin gaps are matched with the thickness of the main fin, the rolling cam set and the rolling concave die set are of cylindrical structures which are longitudinally arranged, protrusions matched with the special-shaped structures are arranged on the rolling convex die set along the circumferential interval, the protrusions of the rolling convex die set are corresponding to the concave positions of the rolling concave die set, and a first profile positioning wheel set and a second profile positioning wheel set are respectively arranged on the left side and the right side of the rolling convex die set and are of the second profile positioning wheel set, and the first profile positioning wheel set and the second profile positioning wheel set are of the same structure.
Preferably, the embossing die is connected to the embossing die via a first timing belt on the front side, and the embossing die or the embossing die is connected to the output of a motor via a second timing belt.
As one preferable, the first section positioning wheel set includes a first section upper positioning wheel set and a first section lower positioning wheel set, the first section upper positioning wheel set includes a front section upper positioning wheel and a rear section upper positioning wheel set which are synchronously connected through a connecting wheel shaft, the first section lower positioning wheel set includes a front section lower positioning wheel and a rear section lower positioning wheel set which are synchronously connected through a connecting wheel shaft, the second section positioning wheel set includes a second section upper positioning wheel set and a second section lower positioning wheel set, the second section upper positioning wheel set includes a front section upper positioning wheel and a rear section upper positioning wheel set which are synchronously connected through a connecting wheel shaft, the second section lower positioning wheel set includes a front section lower positioning wheel and a rear section lower positioning wheel set which are synchronously connected through a connecting wheel shaft, and the first section positioning wheel set and the second section positioning wheel set are approximately the same as the rolling wheel set and have corresponding gaps, the difference is that the surface of the positioning wheels of the first section positioning wheel set and the second section positioning wheel set is a smooth surface.
Preferably, the molding device comprises the following steps:
the long section bar is from one end of forming device to the other end, vertical main fin is located the fin clearance, horizontal main fin is located between upper positioning wheel and the lower positioning wheel, when long section bar is through the roll-in wheelset, horizontal main fin is rolled into special-shaped structure by the roll-in wheelset in the roll-in clearance, and half one-half special-shaped structure cycle is accomplished to above-mentioned step, then rotates ninety degrees long section bar, walks once again from long section bar, accomplishes the special-shaped structure of two other main fins, accomplishes the special-shaped structure of four main fins on the long section bar of leading to the end.
9. A heat exchange coil having a heat transfer profile with profiled fins as defined in claim 4, wherein step three is operated with a twist top extension device,
the torsion pushing and stretching device comprises a push rod which is transversely arranged leftwards, the push rod is arranged in a push rod sliding groove which is transversely arranged, a push rod gear strip which is arranged along the length direction of the push rod is arranged at the top of the push rod, a push rod motor is arranged above the push rod, a push rod motor gear is arranged at the output end of the push rod motor, and the push rod motor gear is mutually matched with the push rod gear strip;
the left side of the push rod is provided with a transverse profile outer sleeve, the profile outer sleeve comprises a profile outer sleeve base, a profile outer sleeve bottom semicircular tube is fixedly arranged on the profile outer sleeve base, an openable profile outer sleeve top semicircular tube is arranged on the profile outer sleeve bottom semicircular tube, and the profile outer sleeve bottom semicircular tube is fixedly connected with the profile outer sleeve top semicircular tube through a semicircular tube fixing pin;
the left side of the profile outer sleeve is provided with a profile sleeve die, the outer part of the profile sleeve die is provided with an electromagnetic brake, the electromagnetic brake can be used for limiting the rotation of the profile sleeve die, the profile sleeve die comprises an annular profile sleeve die sleeve and an inner profile sleeve die core, a die core cavity is arranged in the profile sleeve die core and is used for allowing a heat conduction profile to transversely pass through, and the shape of the die core cavity is matched with the solid shape formed by compounding the first fin group and the second fin group;
a cutting gap is reserved between the profile sleeve die and the profile outer sleeve, a cutting motor piece is arranged in the cutting gap, the cutting motor piece is fixed on the output end of the cutting motor, and the cutting motor is arranged on a height lifting device;
the left side of the profile gear sleeve die is provided with a profile gear sleeve die, a torsion gap is formed between the profile gear sleeve die and the profile gear sleeve die, the profile gear sleeve die comprises an annular profile gear sleeve die sleeve and an internal profile gear sleeve die core, a circle of external gear is arranged outside the profile gear sleeve die sleeve, the profile gear sleeve die core is the same as the profile sleeve die core in shape and has the same die core cavity, the channel straightness of the die core cavity is consistent, a rotary motor is arranged below the profile gear sleeve die, the output end of the rotary motor is connected with a rotary driving gear through a transmission, and the rotary driving gear is meshed with the external gear; the rotating motor can drive the profile gear sleeve die to rotate through action;
the left side of the section bar sleeve mold is provided with a sleeve rotating seat, the sleeve rotating seat comprises a fixed support, the right side of the fixed support is provided with a sleeve rotating fixed support, the sleeve rotating fixed support is connected with a sleeve rotating movable clamping mold through a bearing, the right end of the sleeve rotating movable clamping mold is provided with a bayonet matched with the inner diameter of a through length sleeve, and the distance between the sleeve rotating movable clamping mold and the section bar sleeve mold is equal to the length of the through length sleeve to be installed;
preferably, the specific working steps of the torsion jacking device are as follows:
step one, feeding
Opening a semicircular tube at the top of the profile jacket, putting a through long profile into the semicircular tube, closing the semicircular tube at the top of the profile jacket, locking a semicircular tube fixing pin, placing a through long sleeve on a sleeve rotating seat, fixing the left end of the through long sleeve on a sleeve rotating movable clamping die, and enabling the right end of the through long sleeve to be close to the left side of the profile gear sleeve die;
step two, first jacking and extending
Starting a push rod motor, and pushing the push rod to move leftwards along a push rod sliding groove to push the through long section bar in the section bar outer sleeve to enter the section bar sleeve die and the section bar gear sleeve die, wherein the solid part of the through long section bar passes through the die core cavities in the section bar sleeve die core and the section bar gear sleeve die core, and pushing by the push rod motor enables the push rod to push the length of the through long section bar in a cutting gap to be equal to the set process length or the length of a fin group;
step three, cutting
The push rod motor stops acting, the cutting motor is started to cut the main fins and the auxiliary fins of the through long section bar, the cutting motor descends, meanwhile, the rotary motor is started to enable the section bar gear sleeve die to rotate for one circle, at the moment, the electromagnetic brake loosens the section bar sleeve die, and accordingly the section bar sleeve die also rotates for one circle along with the section bar gear sleeve die, the through long section bar is cut for one circle until only the core rod is left to be uncut, and a fin group gap is formed at the cut part;
step four, second jacking
After the cutting is finished, the push rod motor continues to act, and the push rod continues to push the through long section bar leftwards until a fin group gap formed on the through long section bar in the previous step is positioned at a torsion gap between the section bar sleeve die and the section bar gear sleeve die;
step five, twisting
The push rod motor stops acting, the electromagnetic brake holds the profile sleeve die and limits the rotation of the profile sleeve die, the rotary motor is started to enable the profile gear sleeve die to rotate forty-five degrees, the through long profile forms torsion at the fin group gaps, and the fin group at the left side of the fin group gaps and the uncut through long profile at the right side of the fin group gaps are axially staggered by forty-five degrees;
repeating the steps two to five to finish the cutting of gaps of the multi-section fin groups and the torsion between the adjacent fin groups, enabling the section which is jacked to the left side of the section gear sleeve die and is subjected to cutting torsion to enter the through long sleeve until the whole through long section is subjected to cutting torsion and enters the through long sleeve, and performing spot welding on the heat conducting section of the special-shaped fins and the through long sleeve to form a straight pipe section after blanking.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat conduction profile in the straight pipe section is provided with the main fins, the main fins are provided with the special-shaped structures, the heat exchange area of fluid in the pipe is increased by the special-shaped structures, and the fluid generates turbulence when passing through wave lines, flanging or penetrating holes of the special-shaped structures in a flowing state, so that liquid mucous membranes which obstruct heat conduction on the inner pipe wall can be continuously broken.
2. The first fin groups and the second fin groups are staggered on the core rod in the straight pipe section along the length direction of the core rod, so that fluid flowing from the front can be continuously split, heat conduction of the fluid is more sufficient and uniform, the flow direction of the fluid in the pipe can be changed, the blocking of heat conduction on the mucous membrane of the inner pipe wall is facilitated to be broken, and the fluid in the heat exchange coil can be thermally conducted to the heat exchange coil body through the heat conduction profile arranged in the pipe with excellent heat conduction, so that the heat exchange quantity and the heat exchange speed are greatly accelerated.
Drawings
Fig. 1 is a schematic view of a heat exchange coil of a heat conducting profile with profiled fins.
Fig. 2 is a perspective partial sectional view of a straight pipe section of embodiment 1.
Fig. 3 is a cross-sectional view of the straight tube section of example 1.
Fig. 4 is a schematic view of a heat conductive profile of a special-shaped fin of example 1.
Fig. 5 is a schematic view of a heat conductive profile without a shaped structure.
Fig. 6 is a perspective partial sectional view of a straight pipe section of example 2.
Fig. 7 is a cross-sectional view of the straight tube section of example 2.
Fig. 8 is a schematic view of a heat conductive profile of a special-shaped fin of example 2.
Fig. 9 is a front view of the molding apparatus.
Fig. 10 is a schematic view of the roll embossing die and the roll female die in examples 1 and 2.
Fig. 11 is a top view of the molding apparatus.
Fig. 12 is a schematic view of a twist top extension device.
Fig. 13 is a schematic view of the corresponding profile sleeve in examples 1 and 2.
Fig. 14 is a schematic view of the corresponding profile gear sleeve in examples 1 and 2.
Fig. 15 is a schematic view of a sleeve rotating seat.
Fig. 16 is a schematic view of a heat conductive profile of a special-shaped fin of example 3.
Fig. 17 is a schematic view of a heat conductive profile of a special-shaped fin of example 4.
Fig. 18 is a front view of a second molding apparatus.
Fig. 19 is a top view of a second molding apparatus.
Fig. 20 is a schematic diagram of a roll embossing die and a roll embossing die corresponding to example 3.
Fig. 21 is a schematic diagram of a roll embossing die and a roll embossing die corresponding to example 4.
Fig. 22 is a schematic view of the corresponding profile sleeve in example 3.
Fig. 23 is a schematic view of a profile gear sleeve corresponding to embodiment 3.
Fig. 24 is a schematic view of the corresponding profile sleeve in example 4.
Fig. 25 is a schematic view of a profile gear bushing corresponding to embodiment 4.
Fig. 26 is a schematic view of a molded twist top extension device.
Wherein:
heat exchange coil 8, heat exchange coil body 800, straight tube section 800.1, bent tube section 800.2, heat conducting section 801, core rod 801.1, main fin 801.2, hole 801.3 of heat conducting section with special-shaped fins
Molding device 500, roll embossing die 501, roll embossing die 502, first timing belt 503, motor 504, second timing belt 505, first profile positioning wheel set 506, second profile positioning wheel set 507, third timing belt 508, fourth timing belt 509
The torque jack 900, push rod 901, push rod gear 901.1, push rod sliding groove 901.2, electromagnetic brake 902, push rod motor 903, push rod motor gear 903.1, profile outer sleeve 904, profile outer sleeve base 904.1, profile outer sleeve bottom half tube 904.2, profile outer sleeve top half tube 904.3, half tube securing pin 904.4, profile sleeve 905, profile sleeve die 905.1, profile sleeve die core 905.2, cutting motor 906, cutting motor blade 906.1, height lifter 906.2, profile gear sleeve 907, profile gear sleeve die sleeve 907.1, profile gear sleeve die core 907.2, outer gear 907.3, rotary motor 907.4, transmission 907.5, rotary drive gear 907.6, sleeve rotational mount 908, fixed mount 908.1, sleeve rotary mount 908.2, bearing 908.3, sleeve rotary movable clamp 908.4, through sleeve 909, through length profile 910.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to the drawings in the specification, the heat exchange coil 8 with the heat conduction profile with the special-shaped fins comprises a heat exchange coil main body 800, wherein the heat exchange coil main body 800 comprises a straight pipe section 800.1 and a bent pipe section 800.2, the heat conduction profile 801 with the special-shaped fins is arranged in the straight pipe section of the heat exchange coil main body 800, the heat conduction profile 801 with the special-shaped fins comprises a round core rod 801.1 arranged along the direction of the heat exchange coil main body 800, a main fin 801.2 is arranged outside the core rod 801.1, a special-shaped structure 801.3 is arranged on the main fin 801.2, and the special-shaped structure 801.3 can be wave lines, turned edges or a plurality of holes mutually communicated in the thickness direction.
As one preferable mode, the mandrel 801.1 is provided with first fin groups and second fin groups staggered along the length direction thereof, the lengths of the first fin groups and the second fin groups are equal, a fin group gap is formed between the first fin groups and the second fin groups, forty-five degree offset angles are formed between the first fin groups and the second fin groups, and the first fin groups and the second fin groups have the same structure except for being axially offset by forty-five degrees along the mandrel 801.1. The first fin group and the second fin group are collectively referred to as fin groups, the fin groups include primary fins 801.2 uniformly divergently arranged along the center of the mandrel 801.1, and the outer ends of the primary fins 801.2 are in contact with the inner wall of the heat exchange coil body 800.
In embodiment 1 and fig. 2-5, the number of main fins 801.2 of fin groups on the heat conduction profile 801 of the special-shaped fins is four, the main fins 801.2 are arranged to penetrate through the length of the whole core rod 801.1, no first fin group and no second fin group which are staggered exist, and the special-shaped structure is a hole;
in embodiment 2 and fig. 6 to 8, the heat conducting profile 801 of the special-shaped fins has four main fins 801.2 of the fin groups, forty-five degrees of dislocation angles are formed between the first fin group and the second fin group, the special-shaped structure is holes, and three holes are formed in the main fins 801.2 of each fin group.
The special-shaped structures on the fin groups in embodiment 3 and fig. 16 are wave lines.
The special-shaped structures provided on the fin groups in example 4 and fig. 17 are turned-ups.
The production method of the heat exchange coil pipe of the heat conduction profile with the special-shaped fins comprises the following steps:
firstly, extruding and molding a through long section bar 910 which is matched with the section shape of the fin group by adopting a die, and additionally producing a through long sleeve 909 which is matched with the main caliber of the heat exchange coil;
step two, forming the special-shaped structure of the through long section bar;
thirdly, twisting the through long section bar into a heat conduction section bar of the special-shaped fin, and arranging the heat conduction section bar in the through long sleeve to form a straight pipe section;
and step four, connecting the straight pipe section and the bent pipe section to form the heat exchange coil of the heat conduction profile with the special-shaped fins.
And step two, performing operation by adopting a forming device 500.
The forming device 500 comprises a rolling wheel set, the rolling wheel set comprises a rolling convex die set and a rolling concave die set which are arranged up and down (the upper position and the lower position of the rolling convex die set and the rolling concave die set can be exchanged), a rolling gap is reserved between the rolling convex die set and the rolling concave die set which are arranged up and down, the rolling gap is matched with the thickness of a main fin, the rolling convex die set comprises a front rolling convex die 501 and a rear rolling convex die 501 which are synchronously connected through connecting wheel shafts, the rolling concave die set comprises a front rolling concave die 502 and a rear rolling concave die 502 which are synchronously connected through connecting wheel shafts, fin gaps are reserved between the two rolling convex dies 501 and between the rolling concave dies 502, the fin gaps are matched with the thickness of the main fin, the rolling convex die 501 and the rolling concave dies 502 are of a cylindrical structure which are longitudinally arranged, the rolling convex die 501 is provided with a bulge matched with the special-shaped structure 801.3 in size along the circumferential interval, the rolling concave die 502 is provided with concave recesses which are matched with the special-shaped structure 801.3 in size along the circumferential direction at intervals, the convex protrusions of the rolling concave die 501 correspond to the concave positions of the rolling concave die 502, the rolling concave die 501 and the rolling concave die 502 are connected through a first synchronous belt 503 at the front side, the rolling concave die 501 or the rolling concave die 502 is connected with the output end of a motor 504 through a second synchronous belt 505, a first profile positioning wheel set 506 and a second profile positioning wheel set 507 are respectively arranged at the left side and the right side of the rolling concave die set, the first profile positioning wheel set and the second profile positioning wheel set have the same structure, the first profile positioning wheel set 506 comprises a first profile upper positioning wheel set and a first profile lower positioning wheel set, the first section bar upper positioning wheel group comprises a front first section bar upper positioning wheel and a rear first section bar upper positioning wheel which are synchronously connected through connecting wheel shafts, the first section bar lower positioning wheel group comprises a front first section bar lower positioning wheel and a rear first section bar lower positioning wheel which are synchronously connected through connecting wheel shafts, the second section bar positioning wheel group 507 comprises a second section bar upper positioning wheel group and a second section bar lower positioning wheel group, the second section bar upper positioning wheel group comprises a front second section bar lower positioning wheel and a rear second section bar lower positioning wheel which are synchronously connected through connecting wheel shafts, and the first section bar positioning wheel group and the second section bar positioning wheel group are approximately the same as the rolling wheel group and have corresponding gaps.
The steps of the molding device 500 are as follows:
the through long section bar 910 goes from one end of the forming device 500 to the other end, the vertical main fins are located in the fin gaps, the horizontal main fins are located between the upper locating wheels and the lower locating wheels, when the through long section bar 910 passes through the rolling wheel sets, the horizontal main fins are rolled into a special-shaped structure in the rolling wheel sets in the rolling gap, the above steps are completed for half of a forming period, then the through long section bar 910 is rotated ninety degrees, and the forming device 500 is further internally provided with a special-shaped structure of the other two main fins, and finally the forming of the special-shaped structure of the four main fins on the through long section bar 910 is completed.
As a preferred alternative, there is a second form of forming device, see fig. 18-19, in which the forming device 500 is further provided with a second roller set at its left section, the second roller set being different from the first roller set by a rotation of 90 degrees, so that it can be used for forming a profiled structure of the longitudinal primary fins, the second roller set being driven by a synchronous transducer with the first roller set. In this way, the steps of the forming device 500 only need to run the through-length section bar 910 from one end of the forming device 500 to the other.
And step three, adopting a torsion stretching device 900 to perform operation.
The torsion pushing device 900 includes a push rod 901 disposed laterally and leftward, the push rod 901 is disposed in a push rod sliding groove 901.2 disposed laterally, a push rod gear 901.1 disposed along a length direction of the push rod 901 is disposed at a top of the push rod 901, a push rod motor 903 is disposed above the push rod 901, a push rod motor gear 903.1 is disposed at an output end of the push rod motor 903, and the push rod motor gear 903.1 is matched with the push rod gear 901.1, so that a forward rotation and a reverse rotation of the push rod motor 903 can realize a left-right lateral movement of the push rod 901;
a profile outer sleeve 904 which is transversely arranged is arranged at the left side of the push rod 901, the profile outer sleeve 904 comprises a profile outer sleeve base 904.1, a profile outer sleeve bottom semicircular tube 904.2 is fixedly arranged on the profile outer sleeve base 904.1, an openable profile outer sleeve top semicircular tube 904.3 is arranged on a profile outer sleeve bottom semicircular tube 904.2, and a profile outer sleeve bottom semicircular tube 904.2 is fixedly connected with a profile outer sleeve top semicircular tube 904.3 through a semicircular tube fixing pin 904.4;
a section sleeve mold 905 is arranged at the left side of the section outer sleeve 904, an electromagnetic brake 902 is arranged at the outer part of the section sleeve mold 905, the electromagnetic brake 902 can be used for limiting the rotation of the section sleeve mold 905, the section sleeve mold 905 comprises an annular section sleeve mold sleeve 905.1 and an inner section sleeve mold core 905.2, a mold core cavity is arranged in the section sleeve mold core 905.2 and is used for transversely passing a heat conducting section, the shape of the mold core cavity is matched with the solid shape formed by compounding the first fin group and the second fin group, for example, the mold core cavity matched with the embodiment 1 is provided with four channels for passing a main fin, for example, the mold core cavity matched with the embodiment 2 is provided with eight channels for passing the main fin;
a cutting gap is reserved between the profile sleeve mold 905 and the profile outer sleeve 904, a cutting motor piece 906.1 is arranged in the cutting gap, the cutting motor piece 906.1 is fixed on the output end of the cutting motor 906, and the cutting motor 906 is arranged on a height lifting device 906.2;
the left side of the profile sleeve mold 905 is provided with a profile gear sleeve mold 907, a torsion gap is formed between the profile sleeve mold 905 and the profile gear sleeve mold 907, the profile gear sleeve mold 907 comprises an annular profile gear sleeve mold sleeve 907.1 and an inner profile gear sleeve mold core 907.2, a circle of external gear 907.3 is arranged outside the profile gear sleeve mold sleeve 907.1, the profile gear sleeve mold core 907.2 has the same mold core cavity as the profile sleeve mold core 905.2, the straightness of the channels of the mold core cavities are consistent, a rotary motor 907.4 is arranged below the profile gear sleeve mold 907, the output end of the rotary motor 907.4 is connected with a rotary driving gear 907.6 through a transmission 907.5, and the rotary driving gear 907.6 is meshed with the external gear 907.3; the action of the rotary motor 907.4 can drive the profile gear sleeve mold 907 to rotate;
the left side of section bar cover die 905 is provided with a sleeve pipe rotation seat 908, sleeve pipe rotation seat 908 includes fixing support 908.1, the right side of fixing support 908.1 is provided with sleeve pipe rotation fixed bolster 908.2, be connected with sleeve pipe rotation movable card die 908.4 on the sleeve pipe rotation fixed bolster 908.2 through bearing 908.3, the right-hand member of sleeve pipe rotation movable card die 908.4 is provided with the bayonet socket with logical long sleeve pipe 909 internal diameter assorted, the distance between sleeve pipe rotation movable card die 908.4 and the section bar cover die 905 equals the logical long sleeve pipe length of waiting to install.
The specific working steps of the torsion stretching device 900 are as follows:
step one, feeding
Opening a semicircular tube 904.3 at the top of the profile jacket, putting a through long profile, closing the semicircular tube 904.3 at the top of the profile jacket, locking a semicircular tube fixing pin 904.4, placing a through long sleeve on a sleeve rotating seat 908, fixing the left end of the through long sleeve on a sleeve rotating movable clamping die 908.4, and enabling the right end of the through long sleeve to be close to the left side of a profile gear sleeve die 907;
step two, first jacking and extending
Starting a push rod motor 903, and moving the push rod 901 leftwards along a push rod sliding groove 901.2 to push the through long section bar in the section bar outer sleeve 904 to enter a section bar sleeve die 905 and a section bar gear sleeve die 907, wherein the solid part of the through long section bar passes through die core cavities in a section bar sleeve die core 905.2 and a section bar gear sleeve die core 907.2, and pushing of the push rod motor 903 enables the push rod 901 to push the length of the through long section bar in a cutting gap to be equal to a set process length or equal to the length of a fin group;
step three, cutting
The push rod motor 903 stops acting, the cutting motor 906 is started to cut the main fins and the auxiliary fins of the through-length profile, the cutting motor 906 descends, meanwhile, the rotating motor 907.4 is started to enable the profile gear sleeve mold 907 to rotate for one circle, at the moment, the electromagnetic brake 902 releases the profile sleeve mold 905, so that the profile sleeve mold 905 also rotates for one circle along with the profile gear sleeve mold 907, the through-length profile is cut for one circle until only the core rod 801.1 is left to be uncut, and a fin group gap is formed at the cut part;
step four, second jacking
After the cutting is finished, the push rod motor 903 continues to act, and the push rod 901 continues to push the through long section bar leftwards until the fin group gap formed on the through long section bar in the previous step is positioned at the torsion gap between the section bar sleeve mold 905 and the section bar gear sleeve mold 907;
step five, twisting
The push rod motor 903 stops acting, the electromagnetic brake 902 holds the profile sleeve mold 905 and limits the rotation of the profile sleeve mold 905, the rotary motor 907.4 is started to enable the profile gear sleeve mold 907 to rotate forty-five degrees, the through long profile forms torsion at the fin group gap, and the fin group at the left side of the fin group gap is axially staggered with the uncut through long profile at the right side of the fin group gap by forty-five degrees;
repeating the steps two to five to finish the cutting of gaps of the multi-section fin groups and the torsion between the adjacent fin groups, enabling the section which is jacked to the left side of the section gear sleeve mold 907 and is subjected to cutting torsion to enter the through long sleeve until the whole through long section is subjected to cutting torsion and enters the through long sleeve, and performing spot welding on the heat conduction section 801 of the special-shaped fins and the through long sleeve to form a straight pipe section after blanking.
As a preferred aspect, there is a forming torsion ejection device 300 having the functions of the forming device 500 and the torsion ejection device 900, the portion of the torsion ejection device 900 excluding the push rod 901, the push rod motor 903 and the profile outer sleeve 904 being referred to as a torsion ejection device body, the forming torsion ejection device 300 including a torsion ejection device body, the torsion ejection device body being provided with the second form of the forming device 500 on the right so that the through-long profile 910 can be directly entered into the body of the torsion ejection device 300 for torsion ejection after being formed from the forming device 500.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (8)
1. The production method is characterized in that the production method produces a product comprising a heat exchange coil body, the heat exchange coil body comprises a straight pipe section and a bent pipe section, the straight pipe section of the heat exchange coil body is internally provided with a heat conduction section of the special-shaped fins, the heat conduction section of the special-shaped fins comprises a round core rod arranged along the direction of the heat exchange coil body, main fins are arranged outside the core rod and uniformly divergently arranged along the center of the core rod, the outer ends of the main fins are in contact with the inner wall of the heat exchange coil body, and the main fins are provided with special-shaped structures which are wave lines, flanging or penetrating holes;
the specific production arrangement of the production method is as follows:
firstly, extruding and molding a through long section bar which is matched with the section shape of the fin group by adopting a die, and additionally producing a through long sleeve which is consistent with the main caliber of the heat exchange coil pipe;
step two, molding the through long section bar;
thirdly, twisting the through long section bar into a heat conduction section bar of the special-shaped fin, and arranging the heat conduction section bar in the through long sleeve to form a straight pipe section;
step four, connecting the straight pipe section and the bent pipe section to form a heat exchange coil of the heat conduction profile with the special-shaped fins;
wherein the third step adopts a torsion stretching device to perform operation,
the torsion pushing and stretching device comprises a push rod which is transversely arranged leftwards, the push rod is arranged in a push rod sliding groove which is transversely arranged, a push rod gear strip which is arranged along the length direction of the push rod is arranged at the top of the push rod, a push rod motor is arranged above the push rod, a push rod motor gear is arranged at the output end of the push rod motor, and the push rod motor gear is mutually matched with the push rod gear strip;
the left side of the push rod is provided with a transverse profile outer sleeve, the profile outer sleeve comprises a profile outer sleeve base, a profile outer sleeve bottom semicircular tube is fixedly arranged on the profile outer sleeve base, an openable profile outer sleeve top semicircular tube is arranged on the profile outer sleeve bottom semicircular tube, and the profile outer sleeve bottom semicircular tube is fixedly connected with the profile outer sleeve top semicircular tube through a semicircular tube fixing pin;
the left side of the profile outer sleeve is provided with a profile sleeve die, the outer part of the profile sleeve die is provided with an electromagnetic brake, the electromagnetic brake can be used for limiting the rotation of the profile sleeve die, the profile sleeve die comprises an annular profile sleeve die sleeve and an inner profile sleeve die core, a die core cavity is arranged in the profile sleeve die core and is used for allowing a heat conduction profile to transversely pass through, and the shape of the die core cavity is matched with the solid shape formed by compounding the first fin group and the second fin group;
a cutting gap is reserved between the profile sleeve die and the profile outer sleeve, a cutting motor piece is arranged in the cutting gap, the cutting motor piece is fixed on the output end of the cutting motor, and the cutting motor is arranged on a height lifting device;
the left side of the profile gear sleeve die is provided with a profile gear sleeve die, a torsion gap is formed between the profile gear sleeve die and the profile gear sleeve die, the profile gear sleeve die comprises an annular profile gear sleeve die sleeve and an internal profile gear sleeve die core, a circle of external gear is arranged outside the profile gear sleeve die sleeve, the profile gear sleeve die core is the same as the profile sleeve die core in shape and has the same die core cavity, the channel straightness of the die core cavity is consistent, a rotary motor is arranged below the profile gear sleeve die, the output end of the rotary motor is connected with a rotary driving gear through a transmission, and the rotary driving gear is meshed with the external gear; the rotating motor can drive the profile gear sleeve die to rotate through action;
the left side of section bar cover die is provided with a sleeve pipe and rotates the seat, the sleeve pipe rotates the seat and includes the fixed bolster, the right side of fixed bolster is provided with the rotatory fixed bolster of sleeve pipe, be connected with the rotatory movable card mould of sleeve pipe on the rotatory fixed bolster of sleeve pipe through the bearing, the right-hand member of the rotatory movable card mould of sleeve pipe is provided with and leads to long sleeve pipe internal diameter assorted bayonet socket, and the distance between rotatory movable card mould of sleeve pipe and the section bar cover die equals the length of the long sheathed tube that leads to be installed.
2. The method for producing a heat exchange coil with a heat conducting profile with special-shaped fins according to claim 1, wherein the product produced by the production method comprises the steps that first fin groups and second fin groups are staggered on the mandrel along the length direction of the mandrel, the lengths of the first fin groups and the second fin groups are equal, a fin group gap is formed between the first fin groups and the second fin groups, forty-five degree dislocation angles are formed between the first fin groups and the second fin groups, and the first fin groups and the second fin groups are of the same structure except for being staggered by forty-five degrees along the axial direction of the mandrel.
3. The method for producing a heat exchange coil with heat conducting profile with special-shaped fins according to claim 1, wherein the production method produces four main fins, and three holes are arranged on the main fins of each fin group.
4. The method for producing a heat exchange coil having a heat conductive profile with a special-shaped fin as claimed in claim 1, wherein the second step is performed by using a molding device,
the forming device comprises a rolling wheel set, the rolling wheel set comprises a rolling cam set and a rolling concave die set which are arranged up and down, a rolling gap is reserved between the rolling cam set and the rolling concave die set which are arranged up and down, the rolling gap is matched with the thickness of a main fin, the rolling cam set comprises a front rolling cam set and a rear rolling cam set which are synchronously connected through a connecting wheel shaft, fin gaps are reserved between the two rolling cam sets and between the rolling concave die sets, the fin gaps are matched with the thickness of the main fin, the rolling cam set and the rolling concave die set are of cylindrical structures which are longitudinally arranged, protrusions matched with the special-shaped structures are arranged on the rolling convex die set along the circumferential interval, the protrusions of the rolling convex die set are corresponding to the concave positions of the rolling concave die set, and a first profile positioning wheel set and a second profile positioning wheel set are respectively arranged on the left side and the right side of the rolling convex die set and are of the second profile positioning wheel set, and the first profile positioning wheel set and the second profile positioning wheel set are of the same structure.
5. The method for producing a heat exchanging coil of a heat conductive profile having a special-shaped fin as claimed in claim 4, wherein the roll embossing mold is connected to the roll embossing mold by a first timing belt on the front side, and the roll embossing mold or the roll embossing mold is connected to an output end of a motor by a second timing belt.
6. The method according to claim 4, wherein the first profile positioning wheel set comprises a first profile upper positioning wheel set and a first profile lower positioning wheel set, the first profile upper positioning wheel set comprises a front profile upper positioning wheel and a rear profile upper positioning wheel which are synchronously connected through connecting wheel shafts, the first profile lower positioning wheel set comprises a front profile lower positioning wheel and a rear profile lower positioning wheel which are synchronously connected through connecting wheel shafts, the second profile positioning wheel set comprises a second profile upper positioning wheel set and a second profile lower positioning wheel set, the second profile upper positioning wheel set comprises a front profile upper positioning wheel and a rear profile upper positioning wheel which are synchronously connected through connecting wheel shafts, the second profile lower positioning wheel set comprises a front profile lower positioning wheel and a rear profile lower positioning wheel which are synchronously connected through connecting wheel shafts, and the first profile positioning wheel set and the second profile positioning wheel set are the same as the rolling wheel set and have corresponding gaps, and the difference is that the surfaces of the positioning wheels of the first profile positioning wheel set and the second profile positioning wheel set are smooth surfaces.
7. The method for producing a heat exchange coil with heat conducting profile with special-shaped fins according to claim 4, characterized by the following steps of working with the forming device:
the long section bar is from one end of forming device to the other end, vertical main fin is located the fin clearance, horizontal main fin is located between upper positioning wheel and the lower positioning wheel, when long section bar is through the roll-in wheelset, horizontal main fin is rolled into special-shaped structure by the roll-in wheelset in the roll-in wheelset, the half one-half special-shaped structure cycle of above-mentioned step completion, then rotate ninety degrees long section bar, walk once again from forming device, accomplish the shaping of the special-shaped structure of two other main fins, finally accomplish the shaping of the special-shaped structure of four main fins on the long section bar.
8. The method for producing a heat exchange coil of a heat conducting profile with profiled fins according to claim 1, characterized by the specific working steps of the torsion and ejection device:
step one, feeding
Opening a semicircular tube at the top of the profile jacket, putting a through long profile into the semicircular tube, closing the semicircular tube at the top of the profile jacket, locking a semicircular tube fixing pin, placing a through long sleeve on a sleeve rotating seat, fixing the left end of the through long sleeve on a sleeve rotating movable clamping die, and enabling the right end of the through long sleeve to be close to the left side of the profile gear sleeve die;
step two, first jacking and extending
Starting a push rod motor, and pushing the push rod to move leftwards along a push rod sliding groove to push the through long section bar in the section bar outer sleeve to enter the section bar sleeve die and the section bar gear sleeve die, wherein the solid part of the through long section bar passes through the die core cavities in the section bar sleeve die core and the section bar gear sleeve die core, and pushing by the push rod motor enables the push rod to push the length of the through long section bar in a cutting gap to be equal to the set process length or the length of a fin group;
step three, cutting
The push rod motor stops acting, the cutting motor is started to cut the main fins and the auxiliary fins of the through long section bar, the cutting motor descends, meanwhile, the rotary motor is started to enable the section bar gear sleeve die to rotate for one circle, at the moment, the electromagnetic brake loosens the section bar sleeve die, and accordingly the section bar sleeve die also rotates for one circle along with the section bar gear sleeve die, the through long section bar is cut for one circle until only the core rod is left to be uncut, and a fin group gap is formed at the cut part;
step four, second jacking
After the cutting is finished, the push rod motor continues to act, and the push rod continues to push the through long section bar leftwards until a fin group gap formed on the through long section bar in the previous step is positioned at a torsion gap between the section bar sleeve die and the section bar gear sleeve die;
step five, twisting
The push rod motor stops acting, the electromagnetic brake holds the profile sleeve die and limits the rotation of the profile sleeve die, the rotary motor is started to enable the profile gear sleeve die to rotate forty-five degrees, the through long profile forms torsion at the fin group gaps, and the fin group at the left side of the fin group gaps and the uncut through long profile at the right side of the fin group gaps are axially staggered by forty-five degrees;
repeating the steps two to five to finish the cutting of gaps of the multi-section fin groups and the torsion between the adjacent fin groups, enabling the section which is jacked to the left side of the section gear sleeve die and is subjected to cutting torsion to enter the through long sleeve until the whole through long section is subjected to cutting torsion and enters the through long sleeve, and spot welding the heat conducting section of the special-shaped fins and the through long sleeve to form a straight pipe section after blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665583.6A CN114322631B (en) | 2021-12-31 | 2021-12-31 | Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665583.6A CN114322631B (en) | 2021-12-31 | 2021-12-31 | Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114322631A CN114322631A (en) | 2022-04-12 |
| CN114322631B true CN114322631B (en) | 2024-01-26 |
Family
ID=81021824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111665583.6A Active CN114322631B (en) | 2021-12-31 | 2021-12-31 | Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114322631B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3294162A (en) * | 1963-12-23 | 1966-12-27 | Reynolds Metals Co | Heat exchanger construction and method for making the same |
| JP2007003115A (en) * | 2005-06-24 | 2007-01-11 | Mitsubishi Electric Corp | Heat exchanger and manufacturing method of the same |
| CN201772801U (en) * | 2010-08-03 | 2011-03-23 | 广东美的电器股份有限公司 | Tube fin heat exchanger |
| CN103629952A (en) * | 2012-08-29 | 2014-03-12 | 洛阳麦达斯铝业有限公司 | Tubular heat exchanger, method for manufacturing tubular heat exchanger and heat exchange equipment |
| CN107891275A (en) * | 2017-12-06 | 2018-04-10 | 江阴戴勒姆动力设备有限公司 | A kind of H types fin produces component |
| CN110793016A (en) * | 2019-10-25 | 2020-02-14 | 西安交通大学 | Axially-through elliptical finned tube |
| CN111322899A (en) * | 2020-03-05 | 2020-06-23 | 香港環能有限公司 | External fin heat exchange tube with spiral inner core and manufacturing method thereof |
| CN111947499A (en) * | 2020-08-26 | 2020-11-17 | 珠海格力电器股份有限公司 | Super-cooled pipe and air conditioning unit |
| CN212747459U (en) * | 2020-06-15 | 2021-03-19 | 无锡麦克威装备科技有限公司 | High-efficiency energy-saving laser welding spiral finned tube |
-
2021
- 2021-12-31 CN CN202111665583.6A patent/CN114322631B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3294162A (en) * | 1963-12-23 | 1966-12-27 | Reynolds Metals Co | Heat exchanger construction and method for making the same |
| JP2007003115A (en) * | 2005-06-24 | 2007-01-11 | Mitsubishi Electric Corp | Heat exchanger and manufacturing method of the same |
| CN201772801U (en) * | 2010-08-03 | 2011-03-23 | 广东美的电器股份有限公司 | Tube fin heat exchanger |
| CN103629952A (en) * | 2012-08-29 | 2014-03-12 | 洛阳麦达斯铝业有限公司 | Tubular heat exchanger, method for manufacturing tubular heat exchanger and heat exchange equipment |
| CN107891275A (en) * | 2017-12-06 | 2018-04-10 | 江阴戴勒姆动力设备有限公司 | A kind of H types fin produces component |
| CN110793016A (en) * | 2019-10-25 | 2020-02-14 | 西安交通大学 | Axially-through elliptical finned tube |
| CN111322899A (en) * | 2020-03-05 | 2020-06-23 | 香港環能有限公司 | External fin heat exchange tube with spiral inner core and manufacturing method thereof |
| CN212747459U (en) * | 2020-06-15 | 2021-03-19 | 无锡麦克威装备科技有限公司 | High-efficiency energy-saving laser welding spiral finned tube |
| CN111947499A (en) * | 2020-08-26 | 2020-11-17 | 珠海格力电器股份有限公司 | Super-cooled pipe and air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114322631A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114290007B (en) | Production method of torsion top extension device | |
| CN103350346A (en) | Power takeoff transmission shaft cold precision forging plastic forming process | |
| CN203140531U (en) | Eccentric spinning equipment | |
| CN114322631B (en) | Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins | |
| CN110802374A (en) | Manufacturing method of variable cross-section automobile driving axle housing | |
| CN114309328B (en) | Production method of heat exchange coil pipe of heat conduction profile with special-shaped fins | |
| CN114290011B (en) | Forming device | |
| CN114273875B (en) | Method for producing a molding device | |
| CN114290008B (en) | Automatic forming device for forming torsion and top extension | |
| CN114290010B (en) | Twisting and pushing device | |
| CN114290009B (en) | Production method of automatic forming device for forming torsion and top extension | |
| CN104043711B (en) | A kind of eccentric spinning machine | |
| CN1055034C (en) | Working method and device for external spiral tendon metal tube | |
| CN113909425B (en) | Processing method and device for butterfly nut | |
| CN106238609A (en) | A kind of manufacture method of flat spiral coil pipe | |
| CN114353577B (en) | Production method of heat exchange coil pipe with heat conduction profile with auxiliary fins | |
| CN114273876B (en) | Production method of heat exchange coil pipe with heat conduction profile with auxiliary fins | |
| CN212682166U (en) | Vertical spinning system for processing hollow shaft with oil groove | |
| JP2001121241A (en) | Hollow shaft and producting method thereof | |
| CN210647734U (en) | Wedge cross rolling mill for rolling and forming semi-axis sleeve capable of preventing rolled piece from deviating and rolling inside and outside | |
| CN110722004B (en) | Rolling method of metal pipe | |
| CN109676068B (en) | Roll forging equipment for V L type ball cage inner side parting structure product and forming method thereof | |
| CN211613867U (en) | Integral type spiral finned tube rolling mill | |
| JP2003126916A (en) | Production method and equipment for pipe with helical groove | |
| CN217675418U (en) | Full-automatic production cutting registrates material feeding unit of lead screw transmission capsule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |