CN108176898B - Double-sided and progressive relieving machine and progressive relieving method - Google Patents

Double-sided and progressive relieving machine and progressive relieving method Download PDF

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Publication number
CN108176898B
CN108176898B CN201711435893.2A CN201711435893A CN108176898B CN 108176898 B CN108176898 B CN 108176898B CN 201711435893 A CN201711435893 A CN 201711435893A CN 108176898 B CN108176898 B CN 108176898B
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eccentric
shoveling
progressive
power shaft
relieving
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CN108176898A (en
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张广全
柴恩祥
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Zhuhai Dongfang Electric Heating Technology Co.,Ltd.
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SHENZHEN SHANYUAN ELECTRIC APPLIANCE CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Harvester Elements (AREA)

Abstract

The invention discloses a double-sided and progressive relieving machine and a progressive relieving method, wherein the progressive relieving machine comprises a machine base and a relieving head arranged on the machine base, and the relieving head is in sliding connection with a base; the shoveling starting end of the machine base is provided with a stroke control part; the shovel head comprises a slide carriage, and a shoveling part, a crankshaft eccentric part and an eccentric adjusting part which are arranged on the slide carriage, wherein the shoveling part is driven by the crankshaft eccentric part to move, and the eccentric adjusting part realizes the eccentric adjustment of the crankshaft eccentric part under the action of a stroke control part. The double-sided and progressive relieving machine and the progressive relieving method can realize progressive relieving of a processed workpiece, gradually increase the relieving amount of the next working cycle compared with the previous working cycle, form fins, and avoid generating scraps and forming waste materials.

Description

Double-sided and progressive relieving machine and progressive relieving method
Technical Field
The invention relates to the field of scraping machines, in particular to a double-sided and progressive scraping machine and a progressive scraping method.
Background
In terms of materials, most of the domestic existing heat exchange products use Copper (Cu, Copper) or Aluminum (AL, Aluminum) or Copper and Aluminum mutually combined base materials. Heat exchange products generally have a body for heat exchange and a plurality of fins for increasing the heat exchange area. The traditional heat exchange product processing technology generally processes a main body and fins respectively, then uses welding, adopts interference fit or a fit mode to manufacture a heat exchange product, and the common point of the processing technologies is that more than two monomers form a whole body through different processing modes, so that extra combined thermal resistance can be generated at the combined part, the overall thermal resistance is high, and the heat transfer efficiency in the heat exchange process is low; moreover, the processing technology is difficult to ensure the consistency of products, so that the pressure-resistant consistency of the combined part is poor; and the processing technology has complex procedures, so that the processing cost is high and the mass production is difficult to realize.
Therefore, patent No. 200710074270.7 proposes a method for manufacturing a heat exchange series product, in which the manufactured fins and the main body are integrally formed, so that there is no additional thermal bonding resistance therebetween, and the overall thermal resistance of the heat exchange series product is further reduced, thereby further improving the heat exchange efficiency. The scraping processing technology is adopted, so that the material loss is small; the automatic production is convenient, and the processing cost is greatly reduced; the fins manufactured by the scraping process have good consistency, so that the pressure-resistant consistency of heat exchange series products is good, and the product quality is better guaranteed. One group of fins can be formed at one time, and the efficiency is high. Each working cycle is composed of only four or three simple steps, and high-efficiency automation is conveniently realized. The feeding mode can adopt the main body base material to feed, and also can adopt the main body base material to be fixed and then not move, so that the cutter body feeds, and the efficiency can be further improved. The fin pushing and the scraping can be carried out synchronously, and the time of each working cycle is not increased additionally.
In the conventional shoveling method, a certain amount of base material is needed for forming fins, a shovel blade needs to shovel the fins into the base material at a certain depth at a certain angle and is turned upwards to form the fins smoothly, but at the beginning, a part of the base material cannot form the fins, and because the forming condition of the fins cannot be met, at the beginning of shoveling from the end part of the base material, a part of the fins cannot be successfully shoveled, and chips are formed to be separated from the main base material, so that the conventional shoveling method needs to perform head cutting treatment subsequently, which forms waste materials and increases the production cost.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a double-sided and progressive shoveling machine and a progressive shoveling method, so as to solve the technical problem that the shoveling and cutting of scraps in the prior art generate waste.
Therefore, the invention provides a progressive cutting machine which comprises a base and a shovel head arranged on the base, wherein the shovel head is connected with the base in a sliding manner; the shoveling starting end of the machine base is provided with a stroke control part; the shovel head comprises a slide carriage, and a shoveling part, a crankshaft eccentric part and an eccentric adjusting part which are arranged on the slide carriage, wherein the shoveling part is driven to move by the crankshaft eccentric part, and the eccentric adjusting part is used for realizing the eccentric adjustment of the crankshaft eccentric part under the action of the stroke control part.
Preferably, the progressive shovel of the invention may also have the following technical features:
the eccentric portion of the crankshaft comprises a base, an eccentric sleeve, a power shaft and an eccentric wheel, the eccentric wheel is fixedly connected with the eccentric sleeve, the eccentric sleeve is arranged on the base, and the power shaft is eccentrically arranged on the eccentric wheel and the eccentric sleeve.
The stroke control part comprises a fixed mounting plate and a rack arranged on the fixed mounting plate.
The eccentric adjusting part comprises a meshing gear set and a limiting mechanism, and the limiting mechanism is arranged on a rotating shaft of the meshing gear set.
The meshing gear set includes a first gear meshed with the eccentric wheel of the eccentric portion of the crankshaft, and a second gear connected with the rack of the stroke control portion.
The locking mechanism is used for locking the first gear after eccentric adjustment to prevent rotation.
In addition, the invention also provides a double-sided shovel machine, which comprises a machine base and a double-sided shovel head arranged on the machine base, wherein the double-sided shovel head is connected with the base in a sliding manner; the shoveling starting end of the machine base is provided with a stroke control part; the shovel head comprises a slide carriage, and a shoveling part, a crankshaft eccentric part and an eccentric adjusting part which are arranged on the slide carriage, wherein the shoveling part is driven to move by the crankshaft eccentric part, and the eccentric adjusting part is used for realizing the eccentric adjustment of the crankshaft eccentric part under the action of the stroke control part.
Finally, the invention provides a gradual shoveling method, which comprises the steps of forming a main body base material and arranging fins on the main body base material, wherein the shoveling process is adopted for arranging the fins on the main body base material, and the fins are shoveled on the main body base material manufactured in the forming procedure of the main body base material; the shoveling process comprises a plurality of working cycles, and a batch of fins are shoveled out in each working cycle; the working cycle comprises three steps of shoveling, returning and feeding; the shoveling enables the blade of the shovel blade to shovel the fin on the surface to be processed of the main body base material to be processed at a set angle and a set shoveling amount; the cutter body returns after the relieving is finished; the cutter feeding enables the cutter body to feed at a set step pitch to prepare for the next working cycle; and in the initial stage of the end portion of the main body base material to be machined, the shoveling amount of the shoveling is gradual, and the shoveling amount of the next working cycle is larger than that of the previous working cycle.
Preferably, the progressive relief method of the invention may also have the following technical features:
after the start phase, the amount of scraping per work cycle is constant.
The feed step pitch of the feed step of each work cycle is constant at the start phase.
Compared with the prior art, the invention has the advantages that: the double-sided and progressive relieving machine and the progressive relieving method can realize progressive relieving of a processed workpiece, gradually increase the relieving amount of the next working cycle compared with the previous working cycle, form fins, and avoid generating scraps and forming waste materials.
Drawings
FIG. 1 is a schematic view of a stroke control portion and a blade according to an embodiment of the present invention.
Fig. 2 is a schematic bottom view of fig. 1 in accordance with an embodiment of the present invention.
FIG. 3 is a schematic sectional view of the eccentric portion B-B of the crankshaft in accordance with the preferred embodiment of the present invention.
FIG. 4 is a schematic view of a spacing mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic top view of a housing according to an embodiment of the present invention.
FIG. 6 is a schematic view of a full section of a housing according to an embodiment of the present invention.
FIG. 7 is a schematic top view of a dual-sided shovel head according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
In order to avoid generating scraps and waste materials, the embodiment provides a progressive cutting machine, which includes a machine base 6, and a shovel head arranged on the machine base 6, wherein the shovel head is slidably connected with the machine base 6 through a slide rail 61 and a slide block 62, the shovel head is shown in fig. 1, and the machine base is shown in fig. 5 and 6; as shown in fig. 1, a stroke control unit 83 is provided at a cutting start end 81 of a machine base 6, a cutting unit 2, a crank eccentric unit 84, and an eccentric adjustment unit 85 are provided on a chute 1 of a cutting head, the cutting unit is driven by the crank eccentric unit 84, and the eccentric adjustment unit 85 adjusts the eccentricity of the crank eccentric unit 84 by the stroke control unit 83.
The gradual shoveling method can be implemented by shoveling through the gradual shoveling machine, and comprises the steps of forming a main body base material and arranging fins on the main body base material, wherein the fins arranged on the main body base material are shoveled out on the main body base material manufactured in the forming process of the main body base material by adopting a shoveling process; the shoveling process comprises a plurality of working cycles, and a batch of fins are shoveled out in each working cycle; the working cycle comprises three steps of shoveling, returning and feeding; shoveling to enable the blade of the shovel blade to shovel the fin on the surface to be processed of the main body base material to be processed at a set angle and a set shoveling amount; the cutter returning is to return the cutter body after the shoveling is finished; feeding the cutter to feed the cutter body at a set step distance to prepare for the next working cycle; in the beginning stage of the end portion shoveling of the main body base material to be processed, the shoveling amount of the shoveling is gradual, and the shoveling amount of the next working cycle is larger than that of the previous working cycle.
As shown in fig. 1, the cutting portion 2 includes a crankshaft small component 205, a connecting rod small component 206, a blade small component 207, and a blade small component 208, which are connected in this order.
In this embodiment, as shown in fig. 3, the crankshaft eccentric portion 84 includes a base 841, an eccentric sleeve 844, a power shaft 842, and an eccentric 843, the eccentric 843 is fixedly connected to the eccentric sleeve 844, the eccentric sleeve 844 is disposed on the base 841, and the power shaft 842 is eccentrically disposed on the eccentric 843 and the eccentric sleeve 844. The power of the scraping part 2 is provided by the power shaft 842, if the position of the power shaft 842 is not changed, the scraping amount will be determined by the scraping part 2 itself, and the eccentrically arranged power shaft 842 has an eccentric distance, and the scraping amount of the scraping part 2 can be changed by adjusting the eccentric distance.
As shown in fig. 2 and 4, the stroke control portion 83 includes a fixed mounting plate 831, and a rack 832 provided on the fixed mounting plate 831; the eccentric adjusting part 85 comprises a meshing gear set and a limiting mechanism, and the limiting mechanism is arranged on the slide carriage 1; the meshing gear set includes a first gear 851 meshing with the eccentric 843 of the crankshaft eccentric portion 84, and a second gear 852 connected to the rack 832 of the stroke control portion. The limiting mechanism is used for locking the first gear 851 after eccentric adjustment and preventing rotation, the limiting mechanism comprises a lock cylinder 854, the first gear 851 comprises a lock hole 801, when the first gear 851 rotates to a preset position, the lock cylinder 854 can be inserted into the lock hole 801 to lock the first gear 851 and prevent rotation.
When the shovel head is located at the shovel start end 81 of the base at the beginning of the shovel, at this time, the stroke control portion 83 is connected to the eccentric adjustment portion 85, specifically, the rack 832 is engaged with the second gear 852; after the shoveling starts, the screw 72 of the mobile feed drive 7 rotates to drive the shovel head fixed with the nut pair 72 to move and feed to the other side of the base 6, and the power shaft 842 drives the shoveling part 2 to shovel; due to the presence of the progressive cutting device, in the initial phase, the rectilinear motion of the forward movement feed is converted, through the rack 832 and the second gear 852, into a rotary motion of the first and second gear 852, which in turn causes the eccentric 843, which is engaged with the first gear 851, to rotate, the rotation of the eccentric 843, due to the eccentric arrangement of the eccentric 843 with the power shaft 842, causing an eccentric motion of the power shaft 842; one end of the power shaft 842 is connected with a driving device for driving the power shaft 842 to rotate, in the embodiment, the driving device drives the rotating shaft 853 of the power shaft 842; the other end of the crankshaft is connected with a small crankshaft of the shoveling part 2, and the small crankshaft rotates around a central axis of the power shaft 842 as a rotating shaft under the driving of the power shaft 842; the power shaft 842 is eccentrically moved, a rotating shaft with a small crankshaft is changed, an eccentricity is generated, further the moving state of a connecting rod, a shovel plate and a shovel blade is changed, the shoveling amount of the shovel blade is gradually increased within a period of time after the shoveling starts, and in the increasing process, if the shoveling amount of the first working cycle is X1, the shoveling amount X2 of the next working cycle is larger than X1, so that the problem of fin scrap formation in the shoveling in the starting stage can be solved, and even if the shoveling starts to be performed, the generation of waste materials can be reduced, and the material cost is saved.
The shovel head continues to feed forward step by step, the shoveling amount of the shovel blade is gradually increased until the eccentric adjusting part 85 is separated from the stroke control part 83, the gradual progress is stopped, then the feed amount is maintained at a constant value, uniform fins can be shoveled, and the shoveling is stopped when the shovel head moves to the shoveling tail end of the base 6; forming a heat exchange product with double-sided fins.
In some variations of this embodiment, as shown in fig. 7, the shovel head can be replaced by a double-sided shovel head, so as to form a double-sided shovel machine, which can perform both-sided shoveling and progressive shoveling simultaneously. The double-sided shovel head is used for carrying out double-sided shoveling processing on a processed workpiece; the double-sided shovel head includes slide carriage 1 and sets up the double-sided shovel mechanism on slide carriage 1, and double-sided shovel mechanism is including shoveling portion 2 and synchronous drive, shoveling portion 2 includes first and second shoveling portion 21, 22, first and second shoveling portion 21, 22 set up on slide carriage 1, synchronous drive respectively with first shoveling portion 21 with second shoveling portion 22 is connected, with the drive first shoveling portion 21 with second shoveling portion 22 moves in step. The shoveling of the double-sided fins is as follows: firstly, forming a main body base material; then, double-sided fins are arranged on the main body substrate, and the double-sided fins are arranged on the main body substrate by adopting a double-sided shoveling process, and the fins are shoveled out on two opposite surfaces to be processed of the main body substrate manufactured in the main body substrate forming procedure; the shoveling process comprises a plurality of working cycles, and each working cycle shovels a batch of fins on two surfaces to be processed simultaneously.
As shown in fig. 7, the cutting portion of the double-sided cutting machine includes a cutting edge 24 for placing a workpiece, and the first and second cutting portions 21 and 22 are symmetrically disposed on both sides of a center line 25 of the cutting edge 24. When the fins are formed, a main body base material formed by a workpiece penetrates through a shovel port 24 between a first shoveling part 21 and a second shoveling part 22 of the double-sided shovel head; when a working cycle is completed, the first scraping part 21 will complete the forming of the fins on the surface to be processed on one side, and simultaneously, the second scraping part 22 will complete the forming of the fins on the surface to be processed on the other side.
After the feeding and discharging are completed, the double-sided shovel head needs to be driven to return from the shoveling tail end 82 of the base to the shoveling start end 81 quickly, the shoveling speed is slow, but the returning speed needs to be fast, the whole length of a processed workpiece is long, so the distance between the shoveling start end 81 and the shoveling tail end 82 of the base is also long, the returning speed of the double-sided shovel head is driven by the moving feeding mechanism, the driving motor 73 drives the screw rod 72 to rotate reversely quickly, the slide carriage 1 connected with the nut pair 71 can return quickly, in the returning process, the rotating speed of the screw rod 72 is fast, the whole length is long, and the screw rod can generate large vibration, so the quick returning of the double-sided shovel head can be realized through the arranged vibration prevention mechanism 10 in the returning process.
As shown in fig. 5, the anti-vibration mechanism 10 includes an anti-vibration cylinder 101, a link, and a holding gripper 102, and in the return stroke, anti-vibration can be performed by the holding gripper 102 provided around the screw. The shockproof mechanism is characterized in that the shockproof cylinder 101 is arranged on the base, a telescopic rod of the shockproof cylinder 101 is connected with a connecting rod, the connecting rod is connected with the holding grab 102, the shockproof mechanisms are arranged on the base in pairs and are mutually symmetrical, and the holding grab 102 is in sliding connection with the base; during the scraping process, the screw rod is not required to be supported, because the rotating speed is very low, the shockproof cylinder 101 retracts the supporting hand grip 102; during the return stroke, the supporting handhold 102 is extended out through the shockproof air cylinder 101 to prevent the vibration, when the double-sided shovel head needs to pass through the shockproof mechanism, the supporting handhold 102 needs to be retracted, and after the shockproof mechanism that the double-sided shovel head passes through, the lead screw is supported again, so that in order to support the lead screw by at least one shockproof device, the shockproof mechanism is provided with at least two, and the number of the shockproof mechanisms is two in the embodiment.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and thus the examples are intended to describe one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the invention.

Claims (4)

1. A progressive spading machine characterized in that: the shovel head is arranged on the base and is connected with the base in a sliding manner; the shoveling starting end of the machine base is provided with a stroke control part; the shovel head comprises a slide carriage, and a shoveling part, a crankshaft eccentric part and an eccentric adjusting part which are arranged on the slide carriage, wherein the shoveling part is driven by the crankshaft eccentric part to move, the eccentric adjusting part realizes the eccentric adjustment of the crankshaft eccentric part under the action of the stroke control part, the shoveling amount of the shoveling is gradual in the beginning stage of shoveling the end part of the main body substrate to be processed, the shoveling amount of the next working cycle is larger than that of the previous working cycle, the gradual shoveling is stopped until the eccentric adjusting part is separated from the stroke control part, and then the feed amount is maintained at a constant value; the eccentric part of the crankshaft comprises a base, an eccentric sleeve, a power shaft and an eccentric wheel, the eccentric wheel is fixedly connected with the eccentric sleeve, the eccentric sleeve is arranged on the base, and the power shaft is eccentrically arranged on the eccentric wheel and the eccentric sleeve; the eccentrically arranged power shaft has an eccentricity, and the scraping amount of the scraping part can be changed by adjusting the eccentricity; the stroke control part comprises a fixed mounting plate and a rack arranged on the fixed mounting plate, when the shoveling begins, the shovel head is positioned at the shoveling starting end of the base, and at the moment, the stroke control part is connected with the eccentric adjusting part; in the initial stage, the linear motion of the forward moving feed is converted into the rotary motion of the first and second gears through the rack and the second gear, so that the eccentric wheel meshed with the first gear rotates, and the eccentric wheel and the power shaft are arranged eccentrically, so that the rotation of the eccentric wheel causes the eccentric motion of the power shaft; one end of the power shaft is connected with a driving device for driving the power shaft to rotate, the other end of the power shaft is connected with a small crankshaft of the shoveling part, and the small crankshaft rotates around a central axis of the power shaft as a rotating shaft under the driving of the power shaft; due to eccentric motion of the power shaft, a rotating shaft with a small crankshaft changes to generate an eccentric distance, so that the motion states of a connecting rod small component, a shovel plate small component and a shovel blade small component change, the shoveling amount of the shovel blade small component formed in a period of time after the shoveling starts is gradual, and in the increasing process, assuming that the shoveling amount of a first working cycle is X1, the shoveling amount X2 of the next working cycle is larger than X1; the shovel head continues to feed forward by the step pitch, and the shoveling amount of the shovel blade which is small is gradually increased.
2. The progressive addition cutting machine according to claim 1, wherein: the eccentric adjusting part comprises a meshing gear set and a limiting mechanism, and the limiting mechanism is arranged on the slide carriage.
3. The progressive addition cutting machine according to claim 2, wherein: the meshing gear set includes a first gear meshed with the eccentric wheel of the eccentric portion of the crankshaft, and a second gear connected with the rack of the stroke control portion.
4. The progressive addition cutting machine according to claim 3, wherein: the limiting mechanism is used for locking the first gear after eccentric adjustment to prevent rotation; the limiting mechanism comprises a lock cylinder, the first gear comprises a lock hole, and when the first gear rotates to a preset position, the lock cylinder can be inserted into the lock hole to lock the first gear, so that rotation is prevented.
CN201711435893.2A 2017-12-26 2017-12-26 Double-sided and progressive relieving machine and progressive relieving method Active CN108176898B (en)

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Publication number Priority date Publication date Assignee Title
CN109807401B (en) * 2019-02-22 2020-03-27 深圳山源电器股份有限公司 Double-sided continuous relieving equipment and method
CN112548606B (en) * 2020-12-01 2024-09-20 厦门扬森数控设备有限公司 Slice shoveling machine

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Publication number Priority date Publication date Assignee Title
DE10027315B4 (en) * 2000-06-05 2004-02-12 PF Schweißtechnologie GmbH Peeling device for cylindrical objects
CN2573145Y (en) * 2002-09-25 2003-09-17 广州机械科学研究院 Slice finned tube working machine
CN101293319B (en) * 2007-04-29 2011-07-20 深圳山源电器股份有限公司 Method for processing heat change line products
CN101456088B (en) * 2008-12-26 2011-08-10 东莞市比尔电子有限公司 No-scraps slicer
CN203936448U (en) * 2014-06-19 2014-11-12 河北贵鸿能环冷却科技有限公司 Monoblock type fin process units
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CN205967650U (en) * 2016-07-21 2017-02-22 滁州南钢盛达实业有限公司 H shaped steel shovel sediment device

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