CN106881562A - The manufacture method and manufacture system of inner container of electric water heater - Google Patents
The manufacture method and manufacture system of inner container of electric water heater Download PDFInfo
- Publication number
- CN106881562A CN106881562A CN201510940722.XA CN201510940722A CN106881562A CN 106881562 A CN106881562 A CN 106881562A CN 201510940722 A CN201510940722 A CN 201510940722A CN 106881562 A CN106881562 A CN 106881562A
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- China
- Prior art keywords
- weld
- welding
- upper shell
- water heater
- inner container
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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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
Abstract
The present invention relates to electric heater manufacturing technology field, and in particular to the manufacture method and manufacture system of a kind of inner container of electric water heater.The following operation of manufacture method of the inner container of electric water heater：Upper shell molding procedure；Lower shell molding procedure；Welding sequence.First quick and back slow, cylinder wall thickness are uniform for the speed of service of the manufacture method of inner container of electric water heater of the invention drift in drawing process；Upper shell and lower shell use submerged arc welding in manufacture method of the invention, and the simple efficiency high of operation, welding quality is good.
Description
Technical field
The present invention relates to electric heater manufacturing technology field, and in particular to the manufacture method and manufacture system of a kind of inner container of electric water heater.
Background technology
Square metal plate is processed into the upper shell and lower shell of one end open using punching stretch mostly when inner container of electric water heater of the prior art is manufactured, upper shell and lower shell are carried out into girth welding again, drift speed is too fast during punching stretch or impulse force excessive to easily cause barrel wall excessively thin.
In consideration of it, overcoming above defect of the prior art, there is provided the manufacture method and manufacture system of a kind of new inner container of electric water heater turn into this area technical problem urgently to be resolved hurrily.
The content of the invention
Drawbacks described above it is an object of the invention to be directed to prior art, there is provided the manufacture method and manufacture system of a kind of inner container of electric water heater.
The purpose of the present invention can be realized by following technical measures：
A kind of manufacture method of inner container of electric water heater, first by flat board square metal plate punch process into the upper shell and lower shell for being one end open, upper shell and lower shell are welded again, stack shell length of the stack shell length of the upper shell more than the lower shell, the stack shell edge of the upper shell open at one end is provided with the first weld metal zone, and the stack shell edge of the lower shell open at one end is provided with the second weld zone corresponding with the first weld zone；The manufacture method includes following operation：
Upper shell molding procedure, flat board square metal plate is carried out into punching circle, for the first time stretching successively, is stretched for second and excision flange, more than the speed of service of drift in second drawing process, the speed of service of drift is gradually reduced the speed of service of drift in the first time stretching and second drawing process in the first time drawing process；
Lower shell molding procedure, punching circle, stretching and excision flange are carried out by flat board square metal plate successively, and the speed of service of drift is gradually reduced in the drawing process；And
Welding sequence, upper shell and lower shell are welded.
Preferably, submerged-arc welding is used in welding sequence, the first weld zone of upper shell is carried out into enlarging treatment to form weld socket part first, the second weld zone of lower shell is interior weld part；Then upper shell with lower shell is carried out into grafting so that weld socket part is corresponding with interior weld part, weld socket part and interior weld part form outer ring weld and interior girth joint；Submerged arc welding finally is carried out to upper shell and lower shell.
Preferably, monocyclic seam welding is used in welding sequence, upper shell and lower shell are docked first so that the first weld zone and the second weld zone are docked and to form weld seam, then the commissure that a circumferential interior lining panel is placed in inner barrel is carried out into monocyclic seam welding, the circumferential interior lining panel is a strip metal plate circular through bending.
Preferably, in upper shell molding procedure, carry out rushing side opening and hanger welding successively after flange is cut off.
Preferably, in lower shell molding procedure, the hole that carries out rushing to summit successively after flange is cut off, apical pore, riveting flange is turned over, side opening and flange welding is rushed.
Preferably, the step of carrying out submerged arc welding to upper shell and lower shell in welding sequence specifically includes：
Cylinder to be welded is placed horizontally on a tumbler, tumbler drives cylinder rotation, and interior girth joint and outer ring weld to cylinder carry out soldering respectively；First welding machine is stretched into cylinder and is docked with inner ring commissure, the second welding machine being located at outside cylinder is docked with outer ring weld, as cylinder rotates the welding for completing interior girth joint and outer ring weld around its own rotation axis.
Present invention also offers a kind of manufacture system of inner container of electric water heater, including：First decompressor, the second decompressor and welder；Wherein,
First decompressor and the second decompressor include that at least one servo hydraulic press, at least one have punch body, at least one connecting gear of drift, the servo hydraulic press is used for the friction speed and stamping press of the drift for providing plunger mechanism in punching course in real time, and connecting gear is used to for flat board square metal plate to be sent to punch body.
Preferably, the welder includes operating platform, is used to clamp on operating platform and drives cylinder to rotate about the electronic clamping device of axle rotation, to stretch into be used in cylinder by a manipulator and weld the first welding machine of interior girth joint, the second welding machine for welding outer ring weld and the welding machine automatics for fixing the second welding machine, wherein, the welding machine automatics includes that the base with slide rail being fixed on immediately below cylinder and bottom are slidably matched for the fixed mount for fixing the second welding machine with the slide rail.
Preferably, first decompressor is provided with two servo hydraulic presses and two punch bodies, is respectively used to the first time stretching of upper shell and stretches for second；First decompressor is provided with two connecting gears, is respectively used to for flat board square metal plate to be sent to first punch body and the semi-finished product of first time stretching are sent into second punch body.
Preferably, the welder is used to clamp cylinder clamping device and the welding machine for carrying out interior girth welding including operating platform, on operating platform.
First quick and back slow, cylinder wall thickness are uniform for the speed of service of the manufacture method of inner container of electric water heater of the invention drift in drawing process, it is to avoid wall thickness at cylinder punching circle occur excessively thin.
Upper shell and lower shell use submerged arc welding in one preferred embodiment of manufacture method of the invention, and the simple efficiency high of operation, welding quality is good.
Brief description of the drawings
Fig. 1 is the structural representation of upper shell in the present invention.
Fig. 2 is the structural representation of lower shell in the present invention.
Fig. 3 is the structural representation of the inner pipe assembly of the first preferred embodiment in the present invention.
Fig. 4 is the structural representation of the second decompressor in system of the invention.
Fig. 5 is the structural representation of the welder of the first preferred embodiment in system of the invention.
Fig. 6 is upper shell punching press schematic diagram in manufacture method of the invention.
Fig. 7 is lower shell punching press schematic diagram in manufacture method of the invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Refer to shown in Fig. 1 to Fig. 3, inner container of electric water heater 10 is by upper shell 101 and lower shell 102 is welded is formed.
In the manufacture method of the inner container of electric water heater of the first preferred embodiment that the present invention is provided, first by flat board square metal plate punch process into the upper shell 101 and lower shell 102 for being one end open, upper shell 101 and lower shell 102 are welded again, in order to coordinate manufacture method of the invention, stack shell length of the stack shell length of the upper shell 101 in the present invention more than lower shell 102, the first weld metal zone 101a is provided with the stack shell edge of the open at one end of upper shell 101, same, the stack shell edge of the open at one end of lower shell 102 is provided with second weld zone 102a corresponding with the first weld zone 101a.Wherein, side opening 101b and hanger 101c is additionally provided with upper shell 101.Apical pore 102b and flange 102c is additionally provided with lower shell 102.
The manufacture method of inner container of electric water heater of the invention specifically includes following operation：
S1, upper shell molding procedure, flat board square metal plate is carried out into punching circle, for the first time stretching successively, is stretched for second and excision flange,, more than the speed of service of drift in second drawing process, the speed of service of drift is first quick and back slow in the first time stretching and second drawing process for the speed of service of drift in the first time drawing process.
S2, lower shell molding procedure, punching circle, stretching and excision flange are carried out by flat board square metal plate successively, and the speed of service of drift is first quick and back slow in the drawing process.
S3, welding sequence, carry out enlarging treatment to form weld socket part by the first weld zone of upper shell first, and the second weld zone of lower shell is interior weld part；Then upper shell with lower shell is carried out into grafting so that weld socket part is corresponding with interior weld part, weld socket part and interior weld part form outer ring weld and interior girth joint；Submerged arc welding finally is carried out to upper shell and lower shell.
In step sl, in upper shell molding procedure, carry out rushing side opening and hanger welding successively after flange is cut off.Using thickness for the metallic plate of 1.8mm is stretched twice, when the circular portion of cylinder is stretched, speed slows down or pauses 1~2 second so that metallic sheet material has buffering, the wall thickness of circular portion draws thin probability low, and the wall thickness of circular portion is 1.6mm~1.8mm after stretching.
In step s 2, in lower shell molding procedure, the hole that carries out rushing to summit successively after flange is cut off, apical pore, riveting flange is turned over, side opening and flange welding is rushed.
In step s3, the step of carrying out submerged arc welding to upper shell and lower shell in welding sequence specifically includes：Cylinder to be welded is placed horizontally on a tumbler, tumbler drives cylinder rotation, and interior girth joint and outer ring weld to cylinder carry out soldering respectively；First welding machine is stretched into cylinder and is docked with inner ring commissure, the second welding machine being located at outside cylinder is docked with outer ring weld, as cylinder rotates the welding for completing interior girth joint and outer ring weld around its own rotation axis.
Correspondingly, present invention also offers the manufacture system of inner container of electric water heater, refer to shown in Fig. 4 and Fig. 5, the system includes：First decompressor, the second decompressor and welder.Cylinder is the to-be-welded pieces of formation after upper shell and lower shell grafting.
First decompressor and the second decompressor are respectively used to the punch process of upper shell and lower shell, refer to shown in Fig. 4, second decompressor includes servo hydraulic press 1, the punch body 2 with drift 21, connecting gear 3, servo hydraulic press 1 is used for the friction speed and stamping press of the drift 21 for providing plunger mechanism 2 in punching course in real time, and connecting gear 3 is used to for flat board square metal plate to be sent to punch body 2.
First decompressor is roughly the same with the structure of the second decompressor, it also includes servo hydraulic press 1, the punch body 2 with drift 21, connecting gear 3, difference is, it is provided with two servo hydraulic presses and two punch bodies, is respectively used to the first time stretching of upper shell and stretches for second；First decompressor is provided with two connecting gears, is respectively used to for flat board square metal plate to be sent to first punch body and the semi-finished product of first time stretching are sent into second punch body.
Refer to shown in Fig. 5, welder includes operating platform 4, is used to clamp on operating platform 4 and drives cylinder to rotate about the electronic clamping device 5 of axle rotation, to stretch into be used in cylinder by a manipulator and weld the first welding machine, the second welding machine 6 for welding outer ring weld and the conveying arrangement 7 for transporting cylinder of interior girth joint.
Electric arc burns the welding method welded under welding flux layer, and solder flux buries electric arc as sand, and submerged-arc welding is one of current production efficiency automatic weld method higher.Advantage：1., production efficiency is high（One side welding wire conductive lengths shorten, electric current and current density are improved, therefore the fusion penetration and welding wire deposition efficiency of electric arc are all greatly improved, on the other hand due to solder flux and the heat-blocking action of slag, scattered and disappeared without radiation of heat substantially on electric arc, splash also few, although the thermal losses for melting solder flux has increased, but total thermal efficiency is still greatly increased）；2., weldquality is high（The protecting effect of slag isolation air is good, and welding parameter can keep stabilization by automatically adjusting, and less demanding to welder's technical merit, composition of weld line stabilization, mechanical performance is relatively good）；3., working condition is good（In addition to mitigating the labour intensity of manual welding operation, it does not have arc light radiate and flue dust it is few this be submerged-arc welding particular advantages）.
In the manufacture method of the inner container of electric water heater of second preferred embodiment that the present invention is provided, first by flat board square metal plate punch process into the upper shell 101 and lower shell 102 for being one end open, upper shell 101 and lower shell 102 are welded again, in order to coordinate manufacture method of the invention, stack shell length of the stack shell length of the upper shell 101 in the present invention more than lower shell 102, the first weld metal zone 101a is provided with the stack shell edge of the open at one end of upper shell 101, same, the stack shell edge of the open at one end of lower shell 102 is provided with second weld zone 102a corresponding with the first weld zone 101a.
Compared with the first preferred embodiment, difference essentially consists in welding manner difference, and the first scheme uses submerged-arc welding, and the monocyclic seam weld that second scheme is used, the manufacture method of inner container of electric water heater of the invention specifically includes following operation：
S1, upper shell molding procedure, flat board square metal plate is carried out into punching circle, for the first time stretching successively, is stretched for second and excision flange,, more than the speed of service of drift in second drawing process, the speed of service of drift is first quick and back slow in the first time stretching and second drawing process for the speed of service of drift in the first time drawing process.
S2, lower shell molding procedure, punching circle, stretching and excision flange are carried out by flat board square metal plate successively, and the speed of service of drift is first quick and back slow in the drawing process.
S3 ', welding sequence, using monocyclic seam welding, upper shell and lower shell are docked first so that the first weld zone 101a and the second weld zone 102a dock to form weld seam, then the commissure that a circumferential interior lining panel is placed in inner barrel is carried out into monocyclic seam welding again, the circumferential interior lining panel is a strip metal plate circular through bending.
In step sl, in upper shell molding procedure, carry out rushing side opening and hanger welding successively after flange is cut off.
In step s 2, in lower shell molding procedure, the hole that carries out rushing to summit successively after flange is cut off, apical pore, riveting flange is turned over, side opening and flange welding is rushed.
Correspondingly, in second embodiment, the manufacture system of inner container of electric water heater is compared with the first scheme, the structure of only welder is different, do not repeated one by one herein with the first scheme identical part, in this scheme, welder is used to clamp cylinder clamping device and the welding machine for carrying out interior girth welding including operating platform, on operating platform.
It should be noted that, in the present invention, such as first and second or the like relational terms are used merely to make a distinction an entity or operation with another entity or operation, and not necessarily require or imply these entities or there is any this actual relation or order between operating.And, term " including ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that process, method, article or terminal device including a series of key elements not only include those key elements, but also other key elements including being not expressly set out, or it is this process, method, article or the intrinsic key element of terminal device also to include.In the absence of more restrictions, the key element limited by sentence " including ... " or " including ... ", it is not excluded that also there is other key element in the process including above-mentioned key element, method, article or terminal device.Additionally, herein, " being more than ", " being less than ", " exceeding " etc. are interpreted as not including this number；" more than ", " below ", " within " etc. be interpreted as including this number.
Although being described to the various embodiments described above; but those skilled in the art once know basic creative concept; other change and modification can be then made to these embodiments; so above are only the embodiment of type of the present invention above; not thereby scope of patent protection of the invention is limited; equivalent structure or equivalent flow conversion that every utilization description of the invention and accompanying drawing content are made; or other related technical fields are directly or indirectly used in, similarly it is included within scope of patent protection of the invention.
Claims (10)
1. a kind of manufacture method of inner container of electric water heater, it is characterized in that, first by flat board square metal plate punch process into the upper shell and lower shell for being one end open, upper shell and lower shell are welded again, stack shell length of the stack shell length of the upper shell more than the lower shell, the stack shell edge of the upper shell open at one end is provided with the first weld metal zone, and the stack shell edge of the lower shell open at one end is provided with the second weld zone corresponding with the first weld zone；The manufacture method includes following operation：
Upper shell molding procedure, flat board square metal plate is carried out into punching circle, for the first time stretching successively, is stretched for second and excision flange, more than the speed of service of drift in second drawing process, the speed of service of drift is gradually reduced the speed of service of drift in the first time stretching and second drawing process in the first time drawing process；
Lower shell molding procedure, punching circle, stretching and excision flange are carried out by flat board square metal plate successively, and the speed of service of drift is gradually reduced in the drawing process；And
Welding sequence, upper shell and lower shell are welded.
2. the manufacture method of inner container of electric water heater according to claim 1, it is characterised in that submerged-arc welding is used in welding sequence, carries out enlarging treatment to form weld socket part by the first weld zone of upper shell first, and the second weld zone of lower shell is interior weld part；Then upper shell with lower shell is carried out into grafting so that weld socket part is corresponding with interior weld part, weld socket part and interior weld part form outer ring weld and interior girth joint；Submerged arc welding finally is carried out to upper shell and lower shell.
3. the manufacture method of inner container of electric water heater according to claim 1, it is characterized in that, monocyclic seam welding is used in welding sequence, upper shell and lower shell are docked first so that the first weld zone and the second weld zone are docked and to form weld seam, then the commissure that a circumferential interior lining panel is placed in inner barrel is carried out into monocyclic seam welding, the circumferential interior lining panel is a strip metal plate circular through bending.
4. the manufacture method of the inner container of electric water heater according to any one of claims 1 to 3, it is characterised in that in upper shell molding procedure, carries out rushing side opening and hanger welding successively after flange is cut off.
5. the manufacture method of the inner container of electric water heater according to any one of claims 1 to 3, it is characterised in that in lower shell molding procedure, the hole that carries out rushing to summit successively after flange is cut off, turns over apical pore, riveting flange, rushes side opening and flange welding.
6. the manufacture method of inner container of electric water heater according to claim 3, it is characterised in that the step of carrying out submerged arc welding to upper shell and lower shell in welding sequence specifically includes：
Cylinder to be welded is placed horizontally on a tumbler, tumbler drives cylinder rotation, and interior girth joint and outer ring weld to cylinder carry out soldering respectively；First welding machine is stretched into cylinder and is docked with inner ring commissure, the second welding machine being located at outside cylinder is docked with outer ring weld, as cylinder rotates the welding for completing interior girth joint and outer ring weld around its own rotation axis.
7. a kind of manufacture system of inner container of electric water heater, it is characterised in that the system includes：First decompressor, the second decompressor and welder；Wherein,
First decompressor and the second decompressor include that at least one servo hydraulic press, at least one have punch body, at least one connecting gear of drift, the servo hydraulic press is used for the friction speed and stamping press of the drift for providing plunger mechanism in punching course in real time, and connecting gear is used to for flat board square metal plate to be sent to punch body.
8. the manufacture system of inner container of electric water heater according to claim 7, characterized in that, the welder includes operating platform, is used to clamp on operating platform and drives cylinder to rotate about the electronic clamping device of axle rotation, to stretch into be used in cylinder by a manipulator and weld the first welding machine, the second welding machine for welding outer ring weld and the conveying arrangement for transporting cylinder of interior girth joint.
9. the manufacture system of inner container of electric water heater according to claim 7, it is characterised in that first decompressor is provided with two servo hydraulic presses and two punch bodies, is respectively used to the first time stretching of upper shell and stretches for second；First decompressor is provided with two connecting gears, is respectively used to for flat board square metal plate to be sent to first punch body and the semi-finished product of first time stretching are sent into second punch body.
10. the manufacture system of inner container of electric water heater according to claim 7, it is characterised in that the welder includes operating platform, is used on operating platform to clamp cylinder clamping device and the welding machine for carrying out interior girth welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510940722.XA CN106881562A (en) | 2015-12-16 | 2015-12-16 | The manufacture method and manufacture system of inner container of electric water heater |
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| CN201510940722.XA CN106881562A (en) | 2015-12-16 | 2015-12-16 | The manufacture method and manufacture system of inner container of electric water heater |
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| CN106881562A true CN106881562A (en) | 2017-06-23 |
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| CN111531058A (en) * | 2020-05-09 | 2020-08-14 | 上海理工大学 | Simple pressure container manufacturing method based on deep drawing forming |
| CN112113338A (en) * | 2019-06-19 | 2020-12-22 | 青岛经济技术开发区海尔热水器有限公司 | Water heater inner container processing equipment and water heater inner container |
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