CN107891275B - H-shaped fin production assembly - Google Patents
H-shaped fin production assembly Download PDFInfo
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- CN107891275B CN107891275B CN201711275177.2A CN201711275177A CN107891275B CN 107891275 B CN107891275 B CN 107891275B CN 201711275177 A CN201711275177 A CN 201711275177A CN 107891275 B CN107891275 B CN 107891275B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 103
- 238000010008 shearing Methods 0.000 claims abstract description 99
- 238000003466 welding Methods 0.000 claims abstract description 68
- 238000005520 cutting process Methods 0.000 claims description 42
- 230000006698 induction Effects 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 36
- 239000000872 buffer Substances 0.000 claims description 32
- 238000003860 storage Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012536 storage buffer Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Metal Rolling (AREA)
Abstract
The application discloses an H-shaped fin production assembly, which comprises a feeding pair roller, a shearing pair roller, a tooth shifting pair roller and a conveying pair roller which are sequentially arranged along the flow production direction, wherein a material belt is input from the feeding pair roller and is sequentially processed on the shearing pair roller and the tooth shifting pair roller and then output from the conveying pair roller; by using the tooth punching device, the tooth sheet can be cut out from the heat exchange side edge of the material belt by shearing the pair of rollers, then the upper poking teeth and the lower poking teeth are formed by the poking teeth pair rollers, so that the tooth sheet is provided with the upper poking teeth which are bent upwards and the lower poking teeth which are bent downwards relative to the welding side edge of the material belt, the tooth sheet and the welding side edge of the material belt are not in the same plane, and after the subsequent welding, the tooth sheet is bent to form a roundabout heat exchange path between the adjacent material belts, so that the heat exchange effect can be improved.
Description
Technical Field
The application relates to an H-shaped fin production assembly.
Background
The existing coal-fired boiler of the power station uses H-shaped fin pipes for heat exchange, so that the utilization rate of fire coal is improved, and waste heat is recovered. The existing H-shaped fin tube is required to be welded on the tube body after the H-shaped fins are produced, and mainly comprises a heat exchange sheet body and a welding notch formed on one side of the heat exchange sheet body. The prior art is urgently required to produce an H-shaped fin production assembly capable of improving the heat exchange effect.
Disclosure of Invention
The application aims to overcome the defects in the prior art and provides an H-shaped fin production assembly capable of improving the heat exchange effect.
In order to achieve the above purpose, the technical scheme of the application is to provide an H-shaped fin production assembly, which comprises a feeding pair roller, a shearing pair roller, a tooth shifting pair roller, a conveying pair roller, a welding notch blanking die and a cutting knife which are sequentially arranged along the flow operation direction, wherein a material belt is input from the feeding pair roller and is sequentially processed and output after the shearing pair roller, the tooth shifting pair roller, the welding notch blanking die and the cutting knife; the material belt comprises a material belt welding side edge and a material belt heat exchange side edge;
the shearing pair roller comprises a shearing roller and a matched shearing roller matched with the shearing roller, shearing blades are uniformly distributed on the surface of the shearing roller and are arranged in parallel with a roller shaft of the shearing roller, each shearing blade comprises a long shearing blade and a short shearing blade, the short shearing blade is matched with the surface of the matched shearing roller to cut out a tooth piece from the heat exchange side edge of the material strip, the long shearing blade is matched with the surface of the matched shearing roller to cut out a fin edge on the material strip, and the fin edge extends from the edge of the heat exchange side edge of the material strip to the inner side of the welding side edge of the material strip;
the gear shifting pair roller comprises an upper gear shifting roller and a lower gear shifting roller, wherein upper gear teeth are uniformly distributed on the surface of the upper gear shifting roller, upper concave parts are arranged between the upper gear teeth, lower gear teeth are uniformly distributed on the surface of the lower gear shifting roller, lower concave parts are arranged between the lower gear teeth, the upper gear shifting roller and the lower gear shifting roller synchronously rotate, the upper gear teeth are matched with the lower concave parts, and the lower gear teeth are matched with the upper concave parts; the tooth piece is contacted with the lower gear teeth and the lower gear teeth in a matched manner to stir, and upper poking teeth and lower poking teeth are correspondingly formed;
the welding notch blanking die comprises a lower die and an upper die matched with the lower die for blanking, a semicircular blanking blade is arranged on the upper die and matched with the middle part of the material belt, and a semicircular welding notch is cut in the middle of the material belt; the cutting position of the cutting knife is arranged on the inner side of the edge of the welding side edge of the material belt, and the cutting path is intersected with the fin edge and the welding notch.
By using the production assembly provided by the application, the upper shifting teeth and the lower shifting teeth can be formed on the outer sides of the H-shaped fins, the heat exchange surface is set to be a curved surface, and after the heat exchange surface is welded on the main pipe body, heat exchange gas forms a roundabout heat exchange path between the H-shaped fins, so that the heat exchange effect can be improved.
Preferably, the long shearing blade is formed by extending part of the short shearing blade, and the long shearing blade is uniformly distributed around the shearing roller at equal intervals. The design obtains the fin edge through the short shearing blade and the fin edge through the long shearing blade at the same time, and part of the fin edge also plays a role of the fin or the fin.
Preferably, the upper gear teeth and the lower gear comprise a gear tooth frame and a poking gear rotatably connected to the outer end part of the gear tooth frame, and the poking gear is poked in a matched mode with the gear piece. By the aid of the design, the poking gear is in rolling fit with the surface of the tooth piece, abrasion is reduced, and the poking gear pair roller and the service life are prolonged.
Preferably, a high-frequency magnetic induction wire heating coil is further arranged between the shearing pair roller and the tooth shifting pair roller, the high-frequency magnetic induction wire heating coil comprises an upper high-frequency magnetic induction wire heating coil and a lower high-frequency magnetic induction wire heating coil which are oppositely arranged, the material belt passes through the space between the upper high-frequency magnetic induction wire heating coil and the lower high-frequency magnetic induction wire heating coil, and the material belt heat exchange side edge and the high-frequency magnetic induction wire heating coil are heated into a plastic state in an induction way; the high-frequency magnetic induction wire heating coil is arranged at a position close to the heat exchange side of the material belt. The design is that the tooth sheet on the heat exchange side of the material belt is heated to a plastic state by the high-frequency magnetic induction wire heating coil before tooth pulling, tooth pulling action is finished by the tooth pulling pair roller, the resistance of tooth pulling is reduced, and tooth pulling efficiency is improved.
Preferably, a cooling assembly is further arranged between the shifting tooth pair roller and the conveying pair roller, the cooling assembly comprises an upper cooling plate and a lower collecting plate, a plurality of cooling water spray heads are uniformly distributed on the upper cooling plate, a cooling water recovery water tank is arranged on the lower collecting plate, and the cooling assembly is arranged at a position close to the heat exchange side edge of the material belt. The design is favorable for cooling the heat exchange side edges after the tooth is shifted, and is convenient for later welding processing.
Preferably, the cutting knife is a cutting water knife or a cutting flame knife. Such a design is an optimization of the cutting pattern.
Preferably, convex welding corners are uniformly distributed on the arc-shaped edges of the welding notch. The design is favorable for the matching melting or the near plastic state of the welding angle and the main pipe body in the later-stage daring welding, and the combination is realized under the action of upsetting force.
Preferably, a stock buffer mechanism is arranged between the conveying pair roller and the welding notch blanking die and/or between the welding notch blanking die and the cutting knife, the stock buffer mechanism comprises a buffer feeding pair roller, a stock guide wheel set, a discharge guide wheel set and a buffer discharging pair roller, and the buffer feeding pair roller and the buffer discharging pair roller are connected with a private clothes motor in a control driving control manner; the storage guide wheel set consists of two rows of guide wheels, and a guide path which is bent upwards is formed between the two rows of guide wheels; the discharging guide wheel set consists of two rows of guide wheels, and a bent downward guide path is formed between the two rows of guide wheels; a storage space is formed between the storage guide wheel set and the discharge guide wheel set, and the material belt forms a parabolic storage form under the guiding actions of the storage guide wheel set, the storage space and the discharge guide wheel set. By the design, the material belt is buffered through the material storage buffering mechanism, and continuous operation and intermittent operation are connected and matched.
Preferably, a protective limiting cover is further arranged on the upper portion of the storage space. The design is beneficial to protecting and limiting the material belt.
The application has the advantages and beneficial effects that: by using the production assembly provided by the application, the upper shifting teeth and the lower shifting teeth can be formed on the outer sides of the H-shaped fins, the heat exchange surface is set to be a curved surface, and after the heat exchange surface is welded on the main pipe body, heat exchange gas forms a roundabout heat exchange path between the H-shaped fins, so that the heat exchange effect can be improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application (side view);
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the structure of the present application (top view);
FIG. 5 is a schematic view of the processing of the material belt according to the present application;
FIG. 6 is a schematic diagram of a stock buffer mechanism according to the present application;
fig. 7 is a schematic view of a formed H-fin structure.
In the figure: 1. a feeding pair roller; 2. conveying a pair of rollers; 3. a material belt; 4. a shearing roller; 5. matching with a shearing roller; 7. a tooth plate; 8. an upper tooth pulling roller; 9. a lower tooth pulling roller; 10. a high-frequency magnetic induction wire heating coil is arranged; 11. a lower high-frequency magnetic induction wire heating coil; 12. a heat exchange side of the material belt; 13. welding the side edges of the material strips; 15. an upper cooling plate; 16. a lower collection plate; 17. a cooling water spray header; 18. the gear teeth are arranged; 19. an upper depression; 20. a lower gear tooth; 21. a lower depression; 22. an upper shifting tooth; 23. a lower shifting tooth; 24. a gear tooth frame; 25. a shifting gear; 26. a cutting knife; 27. a long shearing blade; 28. a short shear blade; 29. fin edges; 30. a lower die; 31. an upper die; 32. welding the notch; 33. welding angles; 34. buffering feeding rollers; 35. a stock guide wheel set; 36. a discharging guide wheel set; 37. buffering the discharging pair roller; 38. a storage space; 39. a protective limit cover; 40. a sheet body; 41. and a stock buffer storage mechanism.
Detailed Description
The following describes the embodiments of the present application further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present application, and are not intended to limit the scope of the present application.
As shown in fig. 1 to 7, an H-shaped fin production assembly comprises a feeding pair roller 1, a shearing pair roller, a tooth poking pair roller, a conveying pair roller 2, a welding notch 32 blanking die and a cutting knife 26 which are sequentially arranged along the flow production direction, wherein a material belt 3 is input from the feeding pair roller 1 and is sequentially processed and output after the shearing pair roller, the tooth poking pair roller, the welding notch 32 blanking die and the cutting knife 26; the material belt 3 comprises a material belt welding side edge 13 and a material belt heat exchanging side edge 12;
the shearing pair roller comprises a shearing roller 4 and a matched shearing roller 5 matched with the shearing roller 4, shearing blades are uniformly distributed on the surface of the shearing roller 4 and are arranged in parallel with a roller shaft of the shearing roller 4, each shearing blade comprises a long shearing blade 27 and a short shearing blade 28, the short shearing blade 28 is matched with the surface of the matched shearing roller 5 to cut out a tooth sheet 7 from a material strip heat exchange side edge 12, the long shearing blade 27 is matched with the surface of the matched shearing roller 5 to cut out a fin edge 29 on a material strip 3, and the fin edge 29 extends from the edge of the material strip heat exchange side edge 12 to the inner side of the material strip welding side edge 13;
the gear shifting pair roller comprises an upper gear shifting roller 8 and a lower gear shifting roller 9, wherein upper gear teeth 18 are uniformly distributed on the surface of the upper gear shifting roller 8, upper concave grooves 19 are formed between the upper gear teeth 18, lower gear teeth 20 are uniformly distributed on the surface of the lower gear shifting roller 9, lower concave grooves 21 are formed between the lower gear teeth 20, the upper gear shifting roller 8 and the lower gear shifting roller 9 synchronously rotate, the upper gear teeth 18 are matched with the lower concave grooves 21 in position, and the lower gear teeth 20 are matched with the upper concave grooves 19 in position; the tooth piece 7 is contacted with the lower gear teeth 20 and the lower gear teeth 20 in a matched manner to stir, and an upper stirring tooth 22 and a lower stirring tooth 23 are correspondingly formed;
the welding notch 32 blanking die comprises a lower die 30 and an upper die 31 matched with the lower die 30 for blanking, a semicircular blanking blade is arranged on the upper die 31 and matched with the middle part of the material belt 3, and a semicircular welding notch 32 is cut in the middle part of the material belt 3; the cutting position of the cutting knife 26 is arranged on the inner side of the edge of the welding side edge 13 of the material belt, and the cutting path is intersected with the fin edge 29 and the welding notch 32.
The long shearing blade 27 is formed by extending part of the short shearing blade 28, and the long shearing blades 27 are uniformly distributed around the shearing roller 4 at equal intervals.
The upper gear teeth 18 and the lower gear comprise a gear tooth frame 24 and a poking gear 25 rotatably connected to the outer end part of the gear tooth frame 24, and the poking gear 25 is poked in a matched mode with the gear piece 7.
A high-frequency magnetic induction wire heating coil is further arranged between the shearing pair roller and the tooth shifting pair roller, the high-frequency magnetic induction wire heating coil comprises an upper high-frequency magnetic induction wire heating coil 10 and a lower high-frequency magnetic induction wire heating coil 11 which are oppositely arranged, the material belt 3 passes through the space between the upper high-frequency magnetic induction wire heating coil 10 and the lower high-frequency magnetic induction wire heating coil 11, and the material belt heat exchange side 12 and the high-frequency magnetic induction wire heating coil are heated into a plastic state in an induction way; the high-frequency magnetic induction wire heating coil is arranged at a position close to the material belt heat exchange side 12.
The cooling assembly comprises an upper cooling plate 15 and a lower collecting plate 16, a plurality of cooling water spray heads 17 are uniformly distributed on the upper cooling plate 15, a cooling water recovery water tank is arranged on the lower collecting plate 16, and the cooling assembly is arranged at a position close to the material belt heat exchange side 12.
The cutting blade 26 is a water cutting blade or a flame cutting blade.
The arc edge of the welding notch 32 is uniformly provided with a convex welding angle 33.
A stock buffer mechanism 41 is arranged between the conveying pair roller 2 and the welding notch 32 blanking die and/or between the welding notch 32 blanking die and the cutting knife 26, the stock buffer mechanism 41 comprises a buffer feeding pair roller 34, a stock guide wheel set 35, a discharge guide wheel set 36 and a buffer discharging pair roller 37, and the buffer feeding pair roller 34 and the buffer discharging pair roller 37 are connected with a private clothes motor in a control driving control manner; the stock guide wheel set 35 is composed of two rows of guide wheels, and a guide path which is bent upwards is formed between the two rows of guide wheels; the discharging guide wheel set 36 consists of two rows of guide wheels, and a bent downward guide path is formed between the two rows of guide wheels; a stock space 38 is arranged between the stock guide wheel set 35 and the discharge guide wheel set 36, and the material belt 3 forms a parabolic stock form under the guiding actions of the stock guide wheel set 35, the stock space 38 and the discharge guide wheel set 36.
The upper part of the stock space 38 is also provided with a protective limit cover 39.
Example 1
An H-shaped fin production assembly comprises a feeding pair roller 1, a shearing pair roller, a tooth shifting pair roller, a conveying pair roller 2, a welding notch 32 blanking die and a cutting knife 26 which are sequentially arranged along the flow production direction, wherein a material belt 3 is input from the feeding pair roller 1 and is sequentially processed and output after the shearing pair roller, the tooth shifting pair roller, the welding notch 32 blanking die and the cutting knife 26; the material belt 3 comprises a material belt welding side edge 13 and a material belt heat exchanging side edge 12;
the shearing pair roller comprises a shearing roller 4 and a matched shearing roller 5 matched with the shearing roller 4, shearing blades are uniformly distributed on the surface of the shearing roller 4 and are arranged in parallel with a roller shaft of the shearing roller 4, each shearing blade comprises a long shearing blade 27 and a short shearing blade 28, the short shearing blade 28 is matched with the surface of the matched shearing roller 5 to cut out a tooth sheet 7 from a material strip heat exchange side edge 12, the long shearing blade 27 is matched with the surface of the matched shearing roller 5 to cut out a fin edge 29 on a material strip 3, and the fin edge 29 extends from the edge of the material strip heat exchange side edge 12 to the inner side of the material strip welding side edge 13;
the gear shifting pair roller comprises an upper gear shifting roller 8 and a lower gear shifting roller 9, wherein upper gear teeth 18 are uniformly distributed on the surface of the upper gear shifting roller 8, upper concave grooves 19 are formed between the upper gear teeth 18, lower gear teeth 20 are uniformly distributed on the surface of the lower gear shifting roller 9, lower concave grooves 21 are formed between the lower gear teeth 20, the upper gear shifting roller 8 and the lower gear shifting roller 9 synchronously rotate, the upper gear teeth 18 are matched with the lower concave grooves 21 in position, and the lower gear teeth 20 are matched with the upper concave grooves 19 in position; the tooth piece 7 is contacted with the lower gear teeth 20 and the lower gear teeth 20 in a matched manner to stir, and an upper stirring tooth 22 and a lower stirring tooth 23 are correspondingly formed;
the welding notch 32 blanking die comprises a lower die 30 and an upper die 31 matched with the lower die 30 for blanking, a semicircular blanking blade is arranged on the upper die 31 and matched with the middle part of the material belt 3, and a semicircular welding notch 32 is cut in the middle part of the material belt 3; the cutting position of the cutting knife 26 is arranged on the inner side of the edge of the welding side edge 13 of the material belt, and the cutting path is intersected with the fin edge 29 and the welding notch 32.
The long shearing blade 27 is formed by extending part of the short shearing blade 28, and the long shearing blades 27 are uniformly distributed around the shearing roller 4 at equal intervals.
The upper gear teeth 18 and the lower gear comprise a gear tooth frame 24 and a poking gear 25 rotatably connected to the outer end part of the gear tooth frame 24, and the poking gear 25 is poked in a matched mode with the gear piece 7.
When the feeding device is used, the material belt 3 is input under the driving of the feeding pair roller 1, when the material belt 3 passes through the shearing pair roller, under the cooperation of the shearing blade and the cooperation shearing roller 5, the material belt 3 is sheared into slits, the short shearing blade 28 cooperates with the surface of the cooperation shearing roller 5 to cut the heat exchange side edge 12 of the material belt into short slits, tooth sheets 7 are arranged between the short slits, the long shearing blade 27 cooperates with the surface of the cooperation shearing roller 5 to cut the heat exchange side edge 12 of the material belt into long slits, and the long slits become fin edges 29 after being cut by the rear cutting blade 26; since the long cutting edge 27 is extended by a portion of the short cutting edge 28, the long slits are also extended by a portion of the short slits.
The material belt 3 is continuously conveyed to a tooth shifting pair roller; the upper tooth shifting roller 8 and the lower tooth shifting roller 9 synchronously rotate, the upper gear teeth 18 are matched with the lower concave 21 in position, the lower gear teeth 20 are matched with the upper concave 19 in position, through reasonable size design, when one gear piece 7n is matched with the upper gear teeth 18 and the lower concave 21 in position, the lower concave 21 is bent under the stirring of the upper gear teeth 18 to finish the stirring of one gear piece 7n to form a lower tooth shifting 23, the subsequent next gear piece 7n+1 is matched with the lower gear teeth 20 and the upper concave 19 in position, the lower concave 19 is bent under the stirring of the lower gear teeth 20 to finish the stirring of the next gear piece 7n+1 to form an upper tooth shifting 22, and the lower tooth shifting 23 and the upper tooth shifting 22 which are arranged at continuous intervals are reserved on the coiled piece material belt heat exchange side 12 in a circulating way;
the material belt 3 is continuously conveyed under the action of the conveying counter roller 2, and a semicircular welding notch 32 is cut in the middle of the material belt 3 under the action of the lower die 30 and the upper die 31; the material belt 3 is continuously conveyed and cut by the cutter 26, the cutter 26 is arranged at the inner side of the edge of the material belt welding side edge 13, the cutting path is intersected with the fin edge 29 and the welding notch 32, and finally, part of the material belt welding side edge 13 and the welding notch 32 are cut to form the final H-shaped fin. The H-shaped fin comprises a sheet body 40, a welding notch 32 on one side of the sheet body 40, a lower poking tooth 23 and an upper poking tooth 22 on the other side of the sheet body 40.
Example 2
Further optimizing the embodiment 1, a high-frequency magnetic induction wire heating coil is further arranged between the shearing pair roller and the tooth shifting pair roller, the high-frequency magnetic induction wire heating coil comprises an upper high-frequency magnetic induction wire heating coil 10 and a lower high-frequency magnetic induction wire heating coil 11 which are oppositely arranged, the material belt 3 passes through the space between the upper high-frequency magnetic induction wire heating coil 10 and the lower high-frequency magnetic induction wire heating coil 11, and the material belt heat exchange side 12 and the high-frequency magnetic induction wire heating coil are heated to be in a plastic state in an induction way; the high-frequency magnetic induction wire heating coil is arranged at a position close to the material belt heat exchange side 12. The tooth sheet 7 of the material belt heat exchange side 12 is heated to a plastic state in an induction way through the high-frequency magnetic induction wire heating coil before tooth shifting, tooth shifting actions are conveniently completed through tooth shifting pair rollers, the resistance of tooth shifting is reduced, and tooth shifting efficiency is conveniently improved.
The cooling assembly comprises an upper cooling plate 15 and a lower collecting plate 16, a plurality of cooling water spray heads 17 are uniformly distributed on the upper cooling plate 15, a cooling water recovery water tank is arranged on the lower collecting plate 16, and the cooling assembly is arranged at a position close to the material belt heat exchange side 12. The design is favorable for cooling the heat exchange side edges after the tooth is shifted, and is convenient for later welding processing.
The cutting blade 26 is a water cutting blade or a flame cutting blade.
The arc edge of the welding notch 32 is uniformly provided with a convex welding angle 33, and the welding angle 33 and the main pipe body are matched to be melted or are in a plastic state in the later-stage dare-to-splice welding, so that the combination is realized under the action of upsetting force.
Example 3
For optimizing the embodiment 1 or 2, a stock buffer mechanism 41 is arranged between the conveying pair roller 2 and the blanking die of the welding notch 32 and/or between the blanking die of the welding notch 32 and the cutting knife 26, the stock buffer mechanism 41 comprises a buffer feeding pair roller 34, a stock guide wheel set 35, a discharge guide wheel set 36 and a buffer discharging pair roller 37, and the buffer feeding pair roller 34 and the buffer discharging pair roller 37 are connected with a private clothes motor in a driving control manner; the stock guide wheel set 35 is composed of two rows of guide wheels, and a guide path which is bent upwards is formed between the two rows of guide wheels; the discharging guide wheel set 36 consists of two rows of guide wheels, and a bent downward guide path is formed between the two rows of guide wheels; a stock space 38 is arranged between the stock guide wheel set 35 and the discharge guide wheel set 36, and the material belt 3 forms a parabolic stock form under the guiding actions of the stock guide wheel set 35, the stock space 38 and the discharge guide wheel set 36.
The upper part of the stock space 38 is also provided with a protective limit cover 39.
Before the material belt 3 enters the welding notch 32 to blanking the die and the cutter 26, a material storage buffer mechanism 41 is preferably arranged, the material belt 3 is fed through the buffer feeding pair roller 34, then fed upwards through the material storage guide wheel set 35, and is bent into the material discharge guide wheel set 36 after being output from the upper end of the material storage guide wheel set 35, the bent material belt 3 is stored between the material storage guide wheel set 35 and the material discharge guide wheel set 36, when the back of the material storage buffer mechanism 41 stops, the buffer discharging pair roller 37 stops outputting, the buffer feeding pair roller 34 keeps being fed, and the material belt 3 is bent upwards in the material storage space 38; when the stock buffer mechanism 41 is operated later, the buffer discharging pair roller 37 starts to output, and the tape 3 stored in the stock space 38 is discharged, so that the continuous operation and the intermittent operation can be engaged by the stock buffer mechanism 41.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be regarded as the scope of the application.
Claims (9)
1. An H-fin production assembly, characterized in that: the device comprises a feeding pair roller, a shearing pair roller, a tooth shifting pair roller, a conveying pair roller, a welding notch blanking die and a cutting knife which are sequentially arranged along the flow production direction, wherein a material belt is input from the feeding pair roller and is sequentially processed and output after the shearing pair roller, the tooth shifting pair roller, the welding notch blanking die and the cutting knife; the material belt comprises a material belt welding side edge and a material belt heat exchange side edge;
the shearing pair roller comprises a shearing roller and a matched shearing roller matched with the shearing roller, shearing blades are uniformly distributed on the surface of the shearing roller and are arranged in parallel with a roller shaft of the shearing roller, each shearing blade comprises a long shearing blade and a short shearing blade, the short shearing blade is matched with the surface of the matched shearing roller to cut out a tooth piece from the heat exchange side edge of the material strip, the long shearing blade is matched with the surface of the matched shearing roller to cut out a fin edge on the material strip, and the fin edge extends from the edge of the heat exchange side edge of the material strip to the inner side of the welding side edge of the material strip;
the gear shifting pair roller comprises an upper gear shifting roller and a lower gear shifting roller, wherein upper gear teeth are uniformly distributed on the surface of the upper gear shifting roller, upper concave parts are arranged between the upper gear teeth, lower gear teeth are uniformly distributed on the surface of the lower gear shifting roller, lower concave parts are arranged between the lower gear teeth, the upper gear shifting roller and the lower gear shifting roller synchronously rotate, the upper gear teeth are matched with the lower concave parts, and the lower gear teeth are matched with the upper concave parts; the tooth piece is contacted with the lower gear teeth and the lower gear teeth in a matched manner to stir, and upper poking teeth and lower poking teeth are correspondingly formed;
the welding notch blanking die comprises a lower die and an upper die matched with the lower die for blanking, a semicircular blanking blade is arranged on the upper die and matched with the middle part of the material belt, and a semicircular welding notch is cut in the middle of the material belt; the cutting position of the cutting knife is arranged on the inner side of the edge of the welding side edge of the material belt, and the cutting path is intersected with the fin edge and the welding notch.
2. An H-fin production assembly as claimed in claim 1, wherein: the long shearing blades are formed by extending part of the short shearing blades, and the long shearing blades are uniformly distributed around the shearing roller at equal intervals.
3. An H-fin production assembly as claimed in claim 2, wherein: the upper gear teeth and the lower gear teeth comprise a gear tooth frame and a poking gear rotationally connected to the outer end part of the gear tooth frame, and the poking gear is poked in cooperation with the gear piece.
4. An H-fin production assembly as claimed in claim 3, wherein: a high-frequency magnetic induction wire heating coil is further arranged between the shearing pair roller and the tooth shifting pair roller, the high-frequency magnetic induction wire heating coil comprises an upper high-frequency magnetic induction wire heating coil and a lower high-frequency magnetic induction wire heating coil which are oppositely arranged, the material belt passes through the space between the upper high-frequency magnetic induction wire heating coil and the lower high-frequency magnetic induction wire heating coil, and the material belt heat exchange side edge and the high-frequency magnetic induction wire heating coil are heated into a plastic state in an induction way; the high-frequency magnetic induction wire heating coil is arranged at a position close to the heat exchange side of the material belt.
5. An H-fin production assembly as claimed in claim 4, wherein: the cooling assembly comprises an upper cooling plate and a lower collecting plate, a plurality of cooling water spray heads are uniformly distributed on the upper cooling plate, a cooling water recovery water tank is arranged on the lower collecting plate, and the cooling assembly is arranged at a position close to the heat exchange side of the material belt.
6. An H-fin production assembly according to claim 1 or 5, wherein: the cutting knife is a water cutting knife or a flame cutting knife.
7. An H-fin production assembly as claimed in claim 6, wherein: convex welding corners are uniformly distributed on the arc-shaped edges of the welding notch.
8. An H-fin production assembly as claimed in claim 7, wherein: a stock buffer mechanism is arranged between the conveying pair roller and the welding notch blanking die and/or between the welding notch blanking die and the cutting knife, the stock buffer mechanism comprises a buffer feeding pair roller, a stock guide wheel set, a discharge guide wheel set and a buffer discharging pair roller, and the buffer feeding pair roller and the buffer discharging pair roller are connected with a servo motor in a driving control manner; the storage guide wheel set consists of two rows of guide wheels, and a guide path which is bent upwards is formed between the two rows of guide wheels; the discharging guide wheel set consists of two rows of guide wheels, and a bent downward guide path is formed between the two rows of guide wheels; a storage space is formed between the storage guide wheel set and the discharge guide wheel set, and the material belt forms a parabolic storage form under the guiding actions of the storage guide wheel set, the storage space and the discharge guide wheel set.
9. An H-fin production assembly as claimed in claim 8, wherein: the upper part of the material storage space is also provided with a protection limiting cover.
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| CN201711275177.2A CN107891275B (en) | 2017-12-06 | 2017-12-06 | H-shaped fin production assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114290011B (en) * | 2021-12-31 | 2024-04-09 | 江苏金荣森制冷科技有限公司 | Forming device |
| CN114353577B (en) * | 2021-12-31 | 2024-04-09 | 江苏金荣森制冷科技有限公司 | Production method of heat exchange coil pipe with heat conduction profile with auxiliary fins |
| CN114273875B (en) * | 2021-12-31 | 2024-04-09 | 江苏金荣森制冷科技有限公司 | Method for producing a molding device |
| CN114322631B (en) * | 2021-12-31 | 2024-01-26 | 江苏金荣森制冷科技有限公司 | Production method of heat exchange coil pipe with heat conduction profile with special-shaped fins |
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| CN107891275A (en) | 2018-04-10 |
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