CN204611318U - Doubling sheet metal part - Google Patents
Doubling sheet metal part Download PDFInfo
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- CN204611318U CN204611318U CN201520292205.1U CN201520292205U CN204611318U CN 204611318 U CN204611318 U CN 204611318U CN 201520292205 U CN201520292205 U CN 201520292205U CN 204611318 U CN204611318 U CN 204611318U
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Abstract
The utility model discloses a kind of doubling sheet metal part, its drip irrigation device is a kind of doubling sheet metal part, comprises plate body, and described plate body comprises bending part, and described bending part is used for being provided with fillet with the seamed edge of contacting dies.The utility model has the advantage of and be provided with fillet by the seamed edge of bending part on plate body and contacting dies, when mould contacts with the bending part of plate body, because seamed edge is radiussed, so when bending part presses down by mould, linear contact lay between mould and seamed edge is rounding off, avoid the pressure jump that mould produces the seamed edge in acute angle, stable pressure decreases the distortion of mould at seamed edge place, thus reduces at seamed edge place generation iron filings and burr.
Description
Technical field
The utility model relates to sheetmetal working field, and in particular, it relates to a kind of doubling sheet metal part.
Background technique
In modern assembling field, high medium-and-large-sized equipment is required for some outer cover intensities, plastic casing cannot meet the requirement of its outer cover intensity, so these medium-and-large-sized equipment generally adopt the shell after sheet metal, such as refrigerator, washing ball, detecting instrument etc., therefore the sheet metal part of structural strength has become the needs of social production.
In prior art, in order to strengthen the intensity of sheet metal part, simultaneously in order to avoid the seamed edge of sheet metal part is too sharp-pointed, the mode of general employing doubling bending, make the sheet metal part of one deck become two-layer even multilayer, the sheet metal part becoming multilayer makes the structural strength of sheet metal part increase, and the side bending that sheet metal part is had seamed edge by the mode of simultaneously doubling bending is returned on sheet metal part, prevent the seamed edge of sheet metal part from protruding from sheet metal part, add the Security of sheet metal part.
In the process of doubling bending, generally sheet metal part is first bent to 90 degree, is then bent to 135 degree, last doubling completely.But in the process of actual bending, when the thickness of sheet metal part is more than 2.5 millimeters, after sheet metal part carries out bending, there is space between sheet metal part and bending part cannot fit completely, and the reduction of sheet metal component structure intensity will be caused in the space of existence; Space also can cause the out-of-flatness on sheet metal part surface to affect sheet metal part quality; If the thickness of sheet metal part is blocked up, the flexural stress of the bending part of sheet metal part is excessive, can cause the fracture of sheet metal part; Simultaneously, by bender by sheet metal part bending, bender by mould just active force act on bending part, make bending part bending, mould is at bending part from 135 degree of bendings to the process of complete doubling, and mould directly contacts with the seamed edge of bending part, and mould can make the seamed edge generation extrusion-deformation of bending part, produce iron filings and burr after seamed edge distortion, affect the quality of sheet metal part.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of minimizing to produce the doubling sheet metal part of iron filings and burr at pressurized seamed edge place.
For achieving the above object, the utility model provides following technological scheme: a kind of doubling sheet metal part, comprises plate body, and described plate body comprises bending part, and described bending part is used for being provided with fillet with the seamed edge of contacting dies.
As preferably, described plate body is also provided with the bending groove being convenient to bending.
As preferably, when the thickness of plate body be greater than 2.5 millimeters be less than 5 millimeters time, the sectional shape of described bending groove is triangular in shape, and the degree of depth of described bending groove is 1/3rd of plate body thickness.
As preferably, the sectional shape of described bending groove is isosceles trapezoid, when the thickness of plate body be greater than 5 millimeters be less than 10 millimeters time, the sectional shape of described bending groove is isosceles trapezoid, the degree of depth of described bending groove is 1/3rd of plate body thickness, and the width of the bottom land of described bending groove is 1/3rd of plate body thickness.
As preferably, the sectional shape of described bending groove is curved, and when the thickness of plate body is greater than 10 millimeters, the sectional shape of described bending groove is curved, and the degree of depth of described bending groove is 1/2nd of plate body thickness.
Compared with prior art the utility model has following advantage: be provided with fillet by the seamed edge of bending part on plate body and contacting dies, when mould contacts with the bending part of plate body, because seamed edge is radiussed, so when bending part presses down by mould, linear contact lay between mould and seamed edge is rounding off, avoid the pressure jump that mould produces the seamed edge in acute angle, stable pressure decreases the distortion of mould at seamed edge place, thus reduces at seamed edge place generation iron filings and burr.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model;
Fig. 2 is structural representation two of the present utility model;
Fig. 3 is structural representation three of the present utility model.
In figure: 1, plate body; 2, bending groove; 3, fillet; 4, bending part.
Embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, bending part 4 is for being provided with fillet with the seamed edge of contacting dies, fillet 3 is arranged on the side relative to bending groove 2 on plate body 1, the bending of sheet metal part generally adopts stamping press, when the mould on stamping press contacts with the bending part 4 of plate body 1 time, seamed edge due to bending part 4 is sharp-pointed, when active force acts on seamed edge time, seamed edge can be crushed and produce iron filings and burr, affect the quality of product of sheet metal part, by being provided with fillet 3 at seamed edge place, when the mould of stamping press contacts with bending part 4, in the process that bending part 4 times is curved, mould contacts with the arc limit of fillet 3 all the time, avoid producing iron filings and burr, because when stamping press bending, the forced position of bending part 4 is the sides relative to bending groove 2, so fillet 3 is arranged on the side relative to bending groove 2, if fillet 3 is arranged on the homonymy of bending groove 2, the effect of the bending part 4 scratch plate body 1 after preventing doubling can be played.
As shown in Figure 1, plate body 1 needs the position of bending to be provided with bending groove 2, bending groove 2 extends along the position of bending, bending groove 2 facilitates plate body 1 to carry out bending, and bending groove 2 decreases the thickness of the bending of plate body 1, and plate body 1 is in the minimizing of the thickness of bending part, sheet metal part is made to need bending deformation quantity to reduce, the deformation quantity that sheet metal part is bending reduces makes flexural stress needed for sheet metal part bending reduce, and when power needed for the ductile fracture that flexural stress is less than sheet metal part, sheet metal part can not rupture at bending part; Meanwhile, when plate body 1 is overlapped with bending part 4, bending groove 2 adds the degree of crook of the bending part of sheet metal part, plate body 1 and bending part 4 are fitted more, decrease plate body 1 and the space of bending part 4, strengthen the structural strength of plate body 1, strengthen the surface smoothness of sheet metal part simultaneously.
As shown in Figure 1, plate body 1 also comprises bending part 4, bending groove 2 is arranged on bending part 4 needs to carry out doubling position relative to plate body 1, when the thickness of plate body 1 be greater than 2.5 millimeters be less than 5 millimeters time, the sectional shape of bending groove 2 is preferably triangle, the leg-of-mutton height of bending groove 2 is 1/3rd of plate body 1 thickness, when leg-of-mutton tall and big in plate body 1 thickness three/for the moment, after plate body 1 bending, because plate body 1 is provided with the thinner thickness of bending groove 2 position, plate body 1 is less than 2/3rds or less of plate body 1 thickness at the thickness at bending groove 2 place, easily cause the deformation force of the plate body 1 after doubling after the thickness of bending part cannot resist bending, cause the fracture of plate body 1, the height of the groove of bending simultaneously 2 is less than 1/3rd of body thickness, can cause bending the insufficient of distortion, bending part 4 is finally caused to there is space with the collapsed position of plate body 1, affect surface quality and the structural strength of product, when the height of bending groove 2 be plate body 1 thickness three/for the moment, after plate body 1 doubling, decrease the space between bending part 4 and plate body 1, bending groove 2 is arranged to triangle simultaneously, in order to after doubling, the both sides wall energy of bending groove 2 triangular in shape is bonded to each other, thus plate body 1 and bending part 4 can not make plate body 1 produce is out of shape due to space, add the surface quality of sheet metal part, bending part 4 is bonded to each other with plate body 1 simultaneously, define double-deck plate body 1 structure, strengthen the structural strength of plate body 1, simultaneously when the thickness of plate body 1 is less than 2.5 millimeters, bending groove 2 only needs to be completed by the mode of groove, due to the thinner thickness of plate body 1, so after bending part 4 bends, can directly and plate body 1 fit, without the need to increasing the degree of depth of bending groove 2.
As shown in Figure 2, when the thickness of plate body 1 be greater than 5 millimeters be less than 10 millimeters time, the sectional shape of bending groove 2 is preferably isosceles trapezoid, the height of isosceles trapezoid is 1/3rd of plate body 1 thickness, the slot bottom width of bending groove 2 is 1/3rd of plate body 1 thickness, when isosceles trapezoid tall and big in plate body 1 thickness three/for the moment, after plate body 1 bending, because plate body 1 is provided with the thinner thickness of bending groove 2 position, plate body 1 is less than 2/3rds or less of plate body 1 thickness at the thickness at bending groove 2 place, easily cause the deformation force of the plate body 1 after doubling after the thickness of bending part cannot resist bending, cause the fracture of plate body 1, the height of the groove of bending simultaneously 2 is less than 1/3rd of body thickness, can cause bending the insufficient of distortion, bending part 4 is finally caused to there is space with the collapsed position of plate body 1, affect surface quality and the structural strength of product, when the height of bending groove 2 be plate body 1 thickness three/for the moment, after plate body 1 doubling, if the shape of bending groove 2 is triangular in shape, and the thickness of plate body 1 is greater than 5 millimeters and is less than 10 millimeters, after the two side of bending groove 2 triangular in shape is bonded to each other, plate body 1 is not bonded to each other with bending part 4, between plate body 1 and bending part 4 also at an angle, when curved under continuing, a fixed gap is there is between plate body 1 and bending part 4, have impact on the quality of sheet metal part, so bending groove 2 adopts isosceles trapezoid, the width of the bottom land of bending groove 2 is 1/3rd of body thickness, when the bottom land of bending groove 2 provides contact space bottom two side and bending groove 2, decrease the space between bending part 4 and plate body 1, thus plate body 1 and bending part 4 can not make plate body 1 produce is out of shape due to space, add the surface quality of sheet metal part, bending part 4 is bonded to each other with plate body 1 simultaneously, define double-deck plate body 1 structure, strengthen the structural strength of plate body 1.
As shown in Figure 3, when the thickness of plate body 1 is greater than 10 millimeters, the thickness of plate body 1 is thicker, general panel beating doubling method can make to form larger space between bending part 4 and plate body 1, excessive if exerted a force, the slightly poor metal of toughness to make on plate body 1 wrap direction dorsad rupture, and adopt the effects of the bending groove 2 of isosceles trapezoid also not good, concentrate because stress occurs the sharp edge branch in bending groove 2, thus cause the fracture of plate body 1, so the shape of bending groove 2 is preferably arc, the bending groove 2 of arc can effectively avoid stress to concentrate, flexural stress between bending part 4 and plate body 1 is evenly released in the bending groove 2 of arc, prevent bending groove 2 from rupturing to a certain extent, the degree of depth of bending groove 2 is 1/2nd of plate body 1 thickness, by such setting, the thickness of the crooked place of plate body 1 is the half of original thickness, after plate body 1 doubling, bending groove 2 can not be excessive due to bending position distortion after doubling, thus ensure the precision of bending or prevent plate to be out of shape seriously.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a doubling sheet metal part, comprises plate body, and described plate body comprises bending part, it is characterized in that: described bending part is used for being provided with fillet with the seamed edge of contacting dies.
2. doubling sheet metal part according to claim 1, is characterized in that: described plate body is also provided with the bending groove being convenient to bending.
3. doubling sheet metal part according to claim 2, is characterized in that: when the thickness of plate body be greater than 2.5 millimeters be less than 5 millimeters time, the sectional shape of described bending groove is triangular in shape, and the degree of depth of described bending groove is 1/3rd of plate body thickness.
4. doubling sheet metal part according to claim 2, it is characterized in that: when the thickness of plate body be greater than 5 millimeters be less than 10 millimeters time, the sectional shape of described bending groove is isosceles trapezoid, the degree of depth of described bending groove is 1/3rd of plate body thickness, and the width of the bottom land of described bending groove is 1/3rd of plate body thickness.
5. doubling sheet metal part according to claim 2, is characterized in that: when the thickness of plate body is greater than 10 millimeters, and the sectional shape of described bending groove is curved, and the degree of depth of described bending groove is 1/2nd of plate body thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292205.1U CN204611318U (en) | 2015-05-08 | 2015-05-08 | Doubling sheet metal part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520292205.1U CN204611318U (en) | 2015-05-08 | 2015-05-08 | Doubling sheet metal part |
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| CN204611318U true CN204611318U (en) | 2015-09-02 |
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| CN201520292205.1U Active CN204611318U (en) | 2015-05-08 | 2015-05-08 | Doubling sheet metal part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316548A (en) * | 2017-12-30 | 2018-07-24 | 浙江亚厦装饰股份有限公司 | Keel assembly, spine support device and installation method |
| CN108772447A (en) * | 2018-06-20 | 2018-11-09 | 浙江新宝汽车电器有限公司 | Acid cleaning process is exempted from a kind of doubling for the processing of steering indicating light contact chip |
| CN111120469A (en) * | 2019-12-20 | 2020-05-08 | 王叶君 | High-strength connecting piece and machining method thereof |
| CN112517681A (en) * | 2020-11-06 | 2021-03-19 | 湖南金海钢结构有限公司 | Steel plate bending process |
-
2015
- 2015-05-08 CN CN201520292205.1U patent/CN204611318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108316548A (en) * | 2017-12-30 | 2018-07-24 | 浙江亚厦装饰股份有限公司 | Keel assembly, spine support device and installation method |
| CN108772447A (en) * | 2018-06-20 | 2018-11-09 | 浙江新宝汽车电器有限公司 | Acid cleaning process is exempted from a kind of doubling for the processing of steering indicating light contact chip |
| CN111120469A (en) * | 2019-12-20 | 2020-05-08 | 王叶君 | High-strength connecting piece and machining method thereof |
| CN112517681A (en) * | 2020-11-06 | 2021-03-19 | 湖南金海钢结构有限公司 | Steel plate bending process |
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