CN210586619U - Mold closing device for forming viscous medium of inclined flange part - Google Patents
Mold closing device for forming viscous medium of inclined flange part Download PDFInfo
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- CN210586619U CN210586619U CN201921307917.0U CN201921307917U CN210586619U CN 210586619 U CN210586619 U CN 210586619U CN 201921307917 U CN201921307917 U CN 201921307917U CN 210586619 U CN210586619 U CN 210586619U
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Abstract
The utility model discloses a mold closing device for forming viscous medium of an inclined flange part, which comprises an upper mold and a lower mold which are matched with each other, wherein 2-3 guide grooves are arranged at the peripheral edge of the lower mold, and a guide boss matched with the guide grooves of the lower mold is arranged at the lower part of the upper mold; the guide groove is inclined plane with direction boss contact surface, the direction boss can slide in the guide groove through the inclined plane. The guide boss and the guide groove of the die closing device of the utility model are respectively designed into an integral structure with the upper die and the lower die, the strength is high, and the die closing device can bear large lateral shear load; when in processing and manufacturing, the guide groove and the guide boss are both mainly characterized by planes, and the processing and the manufacturing are convenient; when the mold closing device is used, the guide boss, the guide groove positioning surface and the bottom surface have certain inclination and are approximately conical, the mold is automatically guided and corrected through the guide boss, the guide groove positioning surface and the shape of the molded surface of a part, and the mold is convenient and efficient to use.
Description
Technical Field
The utility model relates to a mechanical equipment processing technology field specifically indicates a MOLD CLAMPING APPARATUS that oblique flange part viscous medium takes shape.
Background
The viscous medium pressure forming is used as a flexible half-die forming process mode, has the advantages of difficult wrinkling of parts, good surface quality and the like, and has good application prospect in forming of thin-wall sheet metal parts with complex structures. The forming die body is composed of an upper die with a cavity and a lower die containing a viscous medium injection opening. During forming, a viscous medium serving as a flexible male die applies pressure to the blank through a lower die injection opening under the action of a hydraulic press ejection cylinder, and the blank is attached to the upper die concave cavity under the extrusion of the viscous medium. And in the later forming stage, the filling pressure of the viscous medium is increased, and in order to prevent the leakage of the viscous medium at the flange area, the pressure of the machine tool slide block acting on the upper die and the lower die is increased sharply. When an inclined flange part (as shown in figure 1) is formed, as the die closing surfaces of the upper die and the lower die and the bottom plane of the die have an inclined angle, the die closing can generate a large unilateral lateral force, and a die closing device is subjected to a strong shearing action. In the prior art, the upper die and the lower die mainly use a conventional die closing mode such as a guide post, a guide sleeve or a guide pin (as shown in fig. 2 and 3). However, conventional clamp structures may result in structural damage and even breakage when subjected to strong shear loads. In conclusion, the prior art not only seriously affects the forming efficiency of the process, but also has potential safety hazard, and seriously affects the popularization and application of the process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assemble simple and easy, the simple operation is high-efficient, can bear viscous medium forming die closing device of strong shear load effect.
The utility model discloses a following technical scheme realizes: a mold closing device for forming viscous media of an inclined flange part comprises an upper mold and a lower mold which are matched with each other, wherein 2-3 guide grooves are formed in the edge of the periphery of the lower mold, and a guide boss matched with the guide grooves of the lower mold is arranged at the lower part of the upper mold; the guide groove is inclined plane with direction boss contact surface, the direction boss can slide in the guide groove through the inclined plane.
The working principle of the technical scheme is that the guide boss and the guide groove are additionally arranged on the die closing device, so that the guide groove and the guide boss are respectively integrated with the lower die and the upper die, the guide strength is improved, the die can bear large lateral shear load, and the die cannot be easily deformed; and through the structure of optimal design guide way and direction boss for during the compound die, the direction boss can slide into the guide way through the inclined plane, when going up mould and lower mould compound die like this, has certain guide effect to probably not having the mould and the lower mould that correspond completely, makes the mould more convenient in the use.
In order to better realize the utility model discloses, furtherly, the quantity of guide way is two, and the position lower mould face edge department of protruding one side slightly.
In order to better realize the utility model discloses, furtherly, the guiding groove mainly comprises the guiding groove locating surface an of two sides and the guiding groove locating surface c of guiding groove locating surface b and bottom surface, the position face angle of guiding groove locating surface an and guiding groove locating surface b is 92~105, the position face angle of guiding groove locating surface an and guiding groove locating surface c is 100~105, the position face angle of guiding groove locating surface b and guiding groove locating surface c is 100~ 105.
In order to better realize the utility model discloses, furtherly, the size of the position face angle of guide way locating surface an and guide way locating surface c is the same with the position face angle of guide way locating surface b and guide way locating surface c.
In order to realize better the utility model discloses, furtherly, the toper boss that the direction boss mainly comprises the direction boss locating surface an of two sides and the direction boss locating surface c of direction boss locating surface b and bottom surface, the bit plane angle of direction boss locating surface an and direction boss locating surface b is 92~105, direction boss locating surface an is 100~105 with the bit plane angle of direction boss locating surface c, direction boss locating surface b is 100~105 with the bit plane angle of direction boss locating surface c.
In order to realize better the utility model discloses, furtherly, direction boss locating surface an is the same with the size of direction boss locating surface b and the position face angle of direction boss locating surface c with the position face angle of direction boss locating surface c.
In order to realize better the utility model discloses, furtherly, when going up mould and lower mould compound die, there is the clearance between guide way locating surface c and the boss locating surface c, the width in clearance is 2~5 mm.
In order to better realize the utility model discloses, furtherly, the material of going up mould and lower mould is nickel alloy.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the guide boss and the guide groove of the die closing device of the utility model are respectively designed into an integral structure with the upper die and the lower die, the strength is high, and the die closing device can bear large lateral shear load;
(2) when the utility model is processed and manufactured, the guide groove and the guide boss are both characterized by planes, and the processing and the manufacturing are convenient;
(3) the utility model discloses when the MOLD CLAMPING APPARATUS applied, direction boss, guide way locating surface and bottom surface have certain inclination to be approximate toper, lead through direction boss, guide way locating surface and the profile shape of part own is automatic just, and mould convenient to use is high-efficient.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of a part of a bevel flange formed by closing dies;
FIG. 2 is a schematic structural diagram of a conventional inclined flange part mold closing device;
FIG. 3 is a schematic cross-sectional structure view of a guide device in a conventional inclined flange part mold closing device;
fig. 4 is a schematic structural view of the inclined flange part mold closing device of the present invention;
FIG. 5 is a schematic view of the structure of the guide groove of the present invention;
FIG. 6 is a schematic view of the structure of the middle guiding boss of the present invention;
FIG. 7 is an assembly front view of the guide groove and the guide boss of the present invention;
fig. 8 is a top view of the assembly of the guide groove and the guide boss of the present invention.
Wherein: 1-upper die, 2-lower die, 3-guide way, 31-guide way locating surface a, 32-guide way locating surface b, 33-guide way locating surface c, 4-guide boss, 41-guide boss locating surface a, 42-guide boss locating surface b, 43-guide boss locating surface c.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the embodiment, as shown in fig. 4, includes an upper die 1 and a lower die 2 which are matched with each other, 2-3 guide grooves 3 are arranged at the edge of the periphery of the lower die 2, and a guide boss 4 matched with the guide grooves 3 of the lower die 2 is arranged at the lower part of the upper die 1; the contact surface of the guide groove 3 and the guide boss 4 is an inclined surface, and the guide boss 4 can slide into the guide groove 3 through the inclined surface.
The specific implementation mode is that the material for manufacturing the inclined flange part is placed on the die surface of the lower die 2, then the upper die 1 is attached to the lower die 2, the material is pressed and formed, meanwhile, the guide boss 4 formed by the upper die 1 slides into the guide groove of the lower die 2, when the inclined flange part is formed, the viscous medium serving as a flexible male die applies pressure to the blank through the injection opening of the lower die under the action of the ejection cylinder of the hydraulic press, the blank is attached to the cavity of the upper die under the extrusion of the viscous medium, and finally, the upper die 1 is opened, and the formed inclined flange part is taken down.
Example 2:
the present embodiment further defines the number and the position of the guide grooves 3 on the basis of the above embodiment, and as shown in fig. 4, the number of the guide grooves 3 is two, and the guide grooves are positioned at the corner of the side where the surface of the lower die 2 slightly protrudes. Because the pressed inclined flange part has a curved surface, the positioning of the upper die 1 and the lower die 2 can be realized only by arranging two guide grooves 3 at the corner of the side of the lower die 2 slightly protruding. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in the present embodiment, the structure of the guide groove 3 is further defined, as shown in fig. 5, 7 and 8, the guide groove 3 is mainly a tapered groove formed by two side guide groove positioning surfaces a31 and b32, and a bottom guide groove positioning surface c33, the positioning surface angle of the guide groove positioning surface a31 and b32 is 92 to 105 °, the positioning surface angle of the guide groove positioning surface a31 and c33 is 100 to 105 °, and the positioning surface angle of the guide groove positioning surface b32 and c33 is 100 to 105 °. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in the present embodiment, the structure of the guide groove 3 is further defined in addition to the above-described embodiments, and as shown in fig. 5, 7, and 8, the surface angle between the guide groove positioning surface a31 and the guide groove positioning surface c33 is the same as the surface angle between the guide groove positioning surface b32 and the guide groove positioning surface c 33. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
the present embodiment further defines the structure of the guide boss 5, as shown in fig. 6, 7 and 8, the guide boss 4 is a tapered boss mainly composed of a guide boss positioning surface a41 and a guide boss positioning surface b42 on both side edges and a guide boss positioning surface c43 on the bottom surface, the positioning surface angle of the guide boss positioning surface a41 and the guide boss positioning surface b42 is 92 to 105 °, the positioning surface angle of the guide boss positioning surface a41 and the guide boss positioning surface c43 is 100 to 105 °, and the positioning surface angle of the guide boss positioning surface b42 and the guide boss positioning surface c43 is 100 to 105 °. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
in the present embodiment, the structure of the guide boss 5 is further defined on the basis of the above embodiments, and as shown in fig. 6, 7 and 8, the bit plane angle between the guide boss positioning surface a41 and the guide boss positioning surface c43 is the same as the bit plane angle between the guide boss positioning surface b42 and the guide boss positioning surface c 43. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
in the present embodiment, in addition to the above-described embodiments, the positional relationship when the upper mold 1 and the lower mold 2 are clamped is further defined, and as shown in fig. 7, when the upper mold 1 and the lower mold 2 are clamped, a gap is present between the guide groove positioning surface c33 and the boss positioning surface c43, and the width of the gap is 2 to 5 mm. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
in the present embodiment, in addition to the above-described embodiments, the materials of the upper die 1 and the lower die 2 are further defined, and the materials of the upper die 1 and the lower die 2 are both nickel alloy. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It is to be understood that the working principle and the working process of the parts such as the upper mold 1 and the lower mold 2 according to the structure of the mold clamping apparatus according to an embodiment of the present invention are well known to those skilled in the art and will not be described in detail herein.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A mold closing device for forming viscous media of inclined flange parts is characterized by comprising an upper mold (1) and a lower mold (2) which are matched with each other, wherein 2-3 guide grooves (3) are formed in the peripheral edge of the lower mold (2), and a guide boss (4) matched with the guide grooves (3) of the lower mold (2) is arranged at the lower part of the upper mold (1); the contact surface of the guide groove (3) and the guide boss (4) is an inclined surface, and the guide boss (4) can slide into the guide groove (3) through the inclined surface.
2. A die assembly apparatus for viscous medium forming of inclined flange parts according to claim 1, characterized in that the number of the guide grooves (3) is two, and the guide grooves are positioned at the corner of the side where the surface of the lower die (2) slightly protrudes.
3. A mold clamping apparatus for viscous medium molding of an inclined flange part according to claim 2, characterized in that the guide groove (3) is a tapered groove mainly composed of a guide groove positioning surface a (31) and a guide groove positioning surface b (32) on both side edges and a guide groove positioning surface c (33) on the bottom surface, the positioning surface angle of the guide groove positioning surface a (31) and the guide groove positioning surface b (32) is 92 to 105 °, the positioning surface angle of the guide groove positioning surface a (31) and the guide groove positioning surface c (33) is 100 to 105 °, and the positioning surface angle of the guide groove positioning surface b (32) and the guide groove positioning surface c (33) is 100 to 105 °.
4. A clamping apparatus for viscous medium molding of a slant flange part according to claim 3, wherein the azimuth angles of the guide groove positioning surface a (31) and the guide groove positioning surface c (33) are the same as the azimuth angles of the guide groove positioning surface b (32) and the guide groove positioning surface c (33).
5. A die assembly device for forming an inclined flange part by using a viscous medium according to any one of claims 2 to 4, wherein the guide boss (4) is a tapered boss mainly composed of a guide boss positioning surface a (41) and a guide boss positioning surface b (42) on two side edges and a guide boss positioning surface c (43) on a bottom surface, the positioning surface angle of the guide boss positioning surface a (41) and the guide boss positioning surface b (42) is 92 to 105 degrees, the positioning surface angle of the guide boss positioning surface a (41) and the guide boss positioning surface c (43) is 100 to 105 degrees, and the positioning surface angle of the guide boss positioning surface b (42) and the guide boss positioning surface c (43) is 100 to 105 degrees.
6. A die assembly apparatus for forming an inclined flange part by using a viscous medium according to claim 5, wherein the orientation angle between the guide boss positioning surface a (41) and the guide boss positioning surface c (43) is the same as the orientation angle between the guide boss positioning surface b (42) and the guide boss positioning surface c (43).
7. A die assembly device for forming an inclined flange part by using a viscous medium as claimed in claim 6, wherein when the upper die (1) and the lower die (2) are assembled, a gap exists between the guide groove positioning surface c (33) and the boss positioning surface c (43), and the width of the gap is 2-5 mm.
8. A die assembly device for forming an inclined flange part by a viscous medium according to claim 3, characterized in that the upper die (1) and the lower die (2) are both made of nickel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307917.0U CN210586619U (en) | 2019-08-13 | 2019-08-13 | Mold closing device for forming viscous medium of inclined flange part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307917.0U CN210586619U (en) | 2019-08-13 | 2019-08-13 | Mold closing device for forming viscous medium of inclined flange part |
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| Publication Number | Publication Date |
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| CN210586619U true CN210586619U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921307917.0U Active CN210586619U (en) | 2019-08-13 | 2019-08-13 | Mold closing device for forming viscous medium of inclined flange part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642940A (en) * | 2020-12-24 | 2021-04-13 | 航天海鹰(哈尔滨)钛业有限公司 | Sheet metal part forming die with guide structure and automatic alignment method thereof |
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2019
- 2019-08-13 CN CN201921307917.0U patent/CN210586619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112642940A (en) * | 2020-12-24 | 2021-04-13 | 航天海鹰(哈尔滨)钛业有限公司 | Sheet metal part forming die with guide structure and automatic alignment method thereof |
| CN112642940B (en) * | 2020-12-24 | 2024-09-10 | 航天海鹰(哈尔滨)钛业有限公司 | Sheet metal part forming die with guide structure and automatic alignment method thereof |
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