CN110405417B - Manufacturing method of liquid accumulator cover body suitable for resistance welding forming - Google Patents
Manufacturing method of liquid accumulator cover body suitable for resistance welding forming Download PDFInfo
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- CN110405417B CN110405417B CN201910640196.3A CN201910640196A CN110405417B CN 110405417 B CN110405417 B CN 110405417B CN 201910640196 A CN201910640196 A CN 201910640196A CN 110405417 B CN110405417 B CN 110405417B
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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
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Abstract
The invention relates to the technical field of production processing, and particularly discloses a method for manufacturing a liquid accumulator cover body suitable for resistance welding forming, wherein a force application area of stamping is determined and stamped, the direction of the stamping force is ensured to form an arch shape, the thickness of a first base part is larger than that of a second base part, the second base part is bent to form a cover body edge part, then the first base part is extruded to ensure that the thickness of the first base part is equal to that of the second base part and a boss part is formed at the cover body edge part, then the boss part is integrated to be arranged at the bottom end of the cover body edge part in a ring shape, the outer diameter of the boss part is ensured to be equal to the inner diameter of a liquid accumulator shell, a welding area is left between the cover body edge part and the shell, so that the boss part is prevented from being formed in a cutting mode, the thickness of the cover body edge is ensured to be consistent with that of a cover body main body, and the problems that And occurs.
Description
Technical Field
The invention relates to the technical field of production processing, and particularly discloses a manufacturing method of a liquid accumulator cover body suitable for resistance welding forming.
Background
The liquid storage device is used as an important part in an air conditioning system, is suitable for the air suction end of the compressor, and has the functions of sucking the refrigerant subjected to the refrigeration cycle of the air conditioner, filtering the refrigerant and then conveying the filtered refrigerant to the compression cavity of the compressor for the next cycle of refrigeration cycle. Because of the refrigeration cycle, a small amount of refrigerating machine oil and impurities are mixed in the refrigerant, and the refrigerant is condensed into small droplets under the influence of the surrounding low-temperature environment. Through the liquid storage pot, filter impurity, with oil liquid drop, refrigerant liquid drop atomizing simultaneously, get into refrigeration cycle once more, avoid impurity to get into the compressor inside and cause the condition emergence of the dead compressor of card and compressed liquid.
The production course of working of reservoir need weld into a complete reservoir to its each part, and present reservoir adopts stove welded mode mostly, and this kind of mode high temperature high energy consumption, and welding speed is slow moreover, is unfavorable for the continuity of operation to lead to making the inefficiency of reservoir, reservoir leakage problem is difficult to control moreover, is unfavorable for guaranteeing product quality.
In order to solve the above-described problems, the present inventors have proposed, in another filed application, a method of manufacturing a cartridge by resistance welding, in which a boss portion is required to be provided to a cap body of the cartridge in order to accommodate the method. At present, a boss part is cut out on the lower edge of the cover body in a cutting mode on the market, the thickness of the edge of the cover body manufactured by the method is inconsistent with that of the main body of the cover body, and the cover body and the shell of the liquid storage device are unstable due to uneven stress in the using process of the liquid storage device. Therefore, there is a need in the industry for a method of manufacturing a reservoir cap that solves the problem of the inconsistency between the thickness of the cap rim and the thickness of the cap body.
Disclosure of Invention
In order to overcome the disadvantages and shortcomings of the prior art, the present invention provides a method for manufacturing a reservoir cap suitable for resistance welding,
in order to achieve the above purpose, the present invention adopts the following scheme.
A method of manufacturing a reservoir cap suitable for resistance welding forming, comprising:
taking a base material for manufacturing the cover body, and selecting a force application area on the base material of the cover body according to the specification and size requirements of the shell of the liquid storage device;
applying stamping force to the force application area to enable the base material to form a first base part and a second base part, enabling the first base part to be arc-shaped, and enabling the second base part to be connected with the first base part to form an arch shape; meanwhile, the force application direction of the stamping force is controlled, and the thickness of the first base part is ensured to be larger than that of the second base part after stamping;
selecting a bending edge on the second base part by taking the first base part as a cover body main body and applying force to bend the bending edge to form a cover body edge part;
extruding the first base material part to make the thickness of the first base part equal to that of the second base part and form a boss part at the edge part of the cover body;
integrating the boss part to enable the boss part to be arranged at the bottom end of the edge part of the cover body in an annular shape, ensuring that the outer diameter of the boss part is equal to the inner diameter of the shell of the liquid storage device, and enabling a welding area to be reserved between the edge part of the cover body and the shell;
and (3) carrying out hole opening treatment on the cover body main body, and enabling the aperture of the cover body main body to be equal to the outer diameter of the liquid storage device pipeline.
Furthermore, before the boss portion is integrated, the boss portion is softened by means of energization heating.
Further, when the first base material portion is pressed, forces in certain directions are applied to the outer side surface and the inner side surface of the first base material portion, and the resultant direction of the inner side force and the outer side force is directed to the position of the preset boss portion.
Further, the deburring processing is carried out on the cover body after the stamping operation and the bending operation are carried out.
Further, when the lid body edge portion is formed by bending, it is necessary to ensure that the formed lid body edge portion is in a horizontal state.
The invention has the beneficial effects that: a method for manufacturing a liquid accumulator cover suitable for resistance welding forming is provided, a force application area of stamping is determined according to specification and dimension requirements of a liquid accumulator shell, stamping is carried out, simultaneously, the direction of the stamping force is ensured to form an arch shape, the thickness of a first base part in an arc shape is ensured to be larger than that of a second base part, the first base part is used as a cover body, the second base part is bent to form a cover edge part, then, the first base part is extruded to enable the thickness of the first base part to be equal to that of the second base part and form a boss part on the cover edge part, then, the boss part is integrated to enable the boss part to be placed at the bottom end of the cover edge part in an annular shape, the outer diameter of the boss part is ensured to be equal to the inner diameter of the liquid accumulator shell, a welding area is left between the cover edge part and the shell, therefore, and guaranteed that the thickness at lid edge is unanimous with the thickness of lid main part, effectively avoided taking place the atress inequality easily in the use of reservoir and leaded to being connected the appearance of unstability scheduling problem between lid and the reservoir casing, provide the quality guarantee.
Drawings
FIG. 1 is a schematic view of a manufacturing process of a cover according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a cover according to an embodiment of the present invention.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
The invention provides a method for manufacturing a liquid accumulator cover body with a boss part 3 in order to adapt to a resistance welding mode, which avoids the traditional cutting method when the boss part 3 is arranged, further adopts an extrusion method to ensure that the thickness of the edge of the cover body is consistent with that of the cover body main body 1, and effectively avoids the problems of unstable connection between the cover body and a liquid accumulator shell and the like caused by uneven stress in the use process of the liquid accumulator.
A method for manufacturing a liquid reservoir cap suitable for resistance welding forming, as shown in fig. 1 and 2, includes the following steps:
firstly, taking a base material for manufacturing a cover body, and selecting a force application area on the base material of the cover body according to the specification and size requirements of the shell of the liquid storage device; the key of this step is the determination of the specification and size, mainly in order to meet the specification of the reservoir housing, but the force application areas selected for reservoir housings of different specifications are different, and are not limited herein.
Applying a stamping force to the force application area to enable the base material to form a first base part and a second base part, enabling the first base part to be in an arc shape, and enabling the second base part and the first base part to be connected to form an arch shape, as shown in a state A in figure 1, so as to form a prototype of the cover body; meanwhile, the direction of the force applied by the stamping force is controlled to ensure that the thickness of the first base part is greater than that of the second base part after stamping, because the boss part 3 is formed in a pressing manner, the thickness of the first base part is ensured to be greater than that of the second base part, so that the thickness of the cover body edge part 2 can be ensured to be consistent with that of the cover body main body 1 after the boss part 3 is formed on the cover body edge part 2 by subsequently pressing the first base part.
Taking the first base part as the cover body main body 1, selecting a bending edge on the second base part and applying force to bend the bending edge to form a cover body edge part 2, as shown in a state B in fig. 1; pressing the first base material part to make the thickness of the first base part equal to that of the second base part and form a boss part 3 on the edge part 2 of the cover body, as shown in a state C in figure 1; because the subsequent welding process for the reservoir production has high requirements on the boss part 3, the boss part 3 is required to be arranged at the bottom end of the edge part 2 of the cover body in a ring shape, the outer diameter of the boss part 3 is equal to the inner diameter of the shell of the reservoir, a welding area is left between the edge part 2 of the cover body and the shell, and the boss part 3 formed at the moment does not necessarily meet the requirements, so that the boss part 3 is required to be integrated, the boss part 3 is required to be arranged at the bottom end of the edge part 2 of the cover body in a ring shape during integration, the outer diameter of the boss part 3 is ensured to be equal to the inner diameter of the shell of the reservoir; meanwhile, the cover body needs to be provided with the hole 4 for the pipeline to be penetrated and welded, so that the hole 4 is processed on the cover body main body 1, the aperture of the hole is equal to the outer diameter of the pipeline of the liquid storage device, and the hole is in a state D in the figure 1, so that the subsequent production process of the liquid storage device is facilitated.
The invention can determine the force application area of the punching and punch according to the specification and size requirements of the reservoir shell, simultaneously ensure that the direction of the punching force forms an arch shape, ensure that the thickness of a first base part in an arc shape is larger than that of a second base part, take the first base part as a cover body main body 1 and bend the second base part to form a cover body edge part 2, then extrude the first base part to ensure that the thickness of the first base part is equal to that of the second base part and form a boss part 3 on the cover body edge part 2, then integrate the boss part 3 to ensure that the boss part 3 is arranged at the bottom end of the cover body edge part 2 in a ring shape, ensure that the outer diameter of the boss part 3 is equal to the inner diameter of the reservoir shell, and leave a welding area between the cover body edge part 2 and the shell, thereby avoiding forming the boss part 3 by adopting a cutting mode, not only providing adaptive conditions for a resistance welding mode, but also ensuring that, effectively avoided taking place the atress inequality easily in the use of reservoir and leaded to being connected the appearance of unstable scheduling problem between lid and the reservoir casing, provided the quality guarantee.
In the present embodiment, the boss portion 3 is softened by the energization heating method before the boss portion 3 is integrated, and if a larger force is required for the integration of the boss portion 3 in a normal state, the softening treatment is performed so as to integrate the boss portion 3 into a predetermined size.
In this embodiment, when the first base material portion is extruded, forces in a certain direction are applied to both the outer side surface and the inner side surface of the first base material portion, and the resultant direction of the inner side force and the outer side force is directed to the position of the predetermined boss portion 3, so that the thickness of the base material having the first base portion larger than the second base portion is shifted in the predetermined direction, thereby forming the boss portion 3 at the predetermined position.
In this embodiment, all carry out burring to the lid after carrying out stamping operation and bending operation, guaranteed the production quality of reservoir lid.
In this embodiment, when the cover edge 2 is formed by bending, it is necessary to ensure that the formed cover edge 2 is in a horizontal state, that is, to ensure that the cover edge 2 does not tilt up by a certain angle or bend down, thereby facilitating resistance welding of the cover and the housing.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (5)
1. A method for manufacturing a liquid storage device cover body suitable for resistance welding forming is characterized by comprising the following steps:
taking a base material for manufacturing the cover body, and selecting a force application area on the base material of the cover body according to the specification and size requirements of the shell of the liquid storage device;
applying stamping force to the force application area to enable the base material to form a first base part and a second base part, enabling the first base part to be arc-shaped, and enabling the second base part to be connected with the first base part to form an arch shape; meanwhile, the force application direction of the stamping force is controlled, and the thickness of the first base part is ensured to be larger than that of the second base part after stamping;
selecting a bending edge on the second base part by taking the first base part as a cover body main body and applying force to bend the bending edge to form a cover body edge part;
extruding the first base material part to make the thickness of the first base part equal to that of the second base part and form a boss part at the edge part of the cover body;
integrating the boss part to enable the boss part to be arranged at the bottom end of the edge part of the cover body in an annular shape, ensuring that the outer diameter of the boss part is equal to the inner diameter of the shell of the liquid storage device, and enabling a welding area to be reserved between the edge part of the cover body and the shell;
and (3) carrying out hole opening treatment on the cover body main body, and enabling the aperture of the cover body main body to be equal to the outer diameter of the liquid storage device pipeline.
2. The method of claim 1, wherein the boss portion is softened by electrically heating before the boss portion is integrated.
3. The method of claim 1, wherein the first base material portion is pressed by applying a force in a predetermined direction to both the outer surface and the inner surface of the first base material portion, and the resultant of the inner force and the outer force is directed to the predetermined boss portion.
4. The method for manufacturing a liquid reservoir cap suitable for resistance welding forming of claim 1, wherein the cap body is deburred after the stamping operation and after the bending operation.
5. The method of manufacturing a reservoir lid body suitable for resistance welding according to claim 1, wherein the lid body edge portion is formed in a horizontal state by bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640196.3A CN110405417B (en) | 2019-07-16 | 2019-07-16 | Manufacturing method of liquid accumulator cover body suitable for resistance welding forming |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910640196.3A CN110405417B (en) | 2019-07-16 | 2019-07-16 | Manufacturing method of liquid accumulator cover body suitable for resistance welding forming |
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| CN110405417A CN110405417A (en) | 2019-11-05 |
| CN110405417B true CN110405417B (en) | 2020-10-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101837544B (en) * | 2009-12-08 | 2011-08-17 | 艾欧史密斯(中国)热水器有限公司 | Manufacturing process method of water-heater bottom-cap heat exchange assembly and special tooling |
| CN103752690B (en) * | 2014-01-23 | 2016-05-18 | 东莞虹日金属科技有限公司 | A kind of clutch case moulding process and former thereof |
| CN104889553A (en) * | 2014-03-05 | 2015-09-09 | 宁波竹之韵食品有限公司 | Production technical process of resistance welding tank |
| CN105478979A (en) * | 2014-09-17 | 2016-04-13 | 大典五金制品（惠州）有限公司 | Resistance welding production process of upper end cover of compressor liquid storage tank |
| CN104815923B (en) * | 2015-04-28 | 2016-08-31 | 中山鑫辉精密技术股份有限公司 | A kind of stamping procedure of automobile sealed lid |
| CN104989628A (en) * | 2015-08-10 | 2015-10-21 | 东莞市金瑞五金制品有限公司 | Compressor shell |
| CN107470857B (en) * | 2017-07-07 | 2019-08-09 | 慈溪市龙山汽配有限公司 | The production technology of shell end cover |
| KR101930287B1 (en) * | 2018-05-25 | 2019-03-11 | 김정우 | Apparatus and method for manufacturing of mounting cover |
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