CN220532638U - Hot extrusion die for refining metal and supporting frame thereof - Google Patents
Hot extrusion die for refining metal and supporting frame thereof Download PDFInfo
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- CN220532638U CN220532638U CN202321519894.6U CN202321519894U CN220532638U CN 220532638 U CN220532638 U CN 220532638U CN 202321519894 U CN202321519894 U CN 202321519894U CN 220532638 U CN220532638 U CN 220532638U
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- 238000001192 hot extrusion Methods 0.000 title claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000007670 refining Methods 0.000 title claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The utility model relates to the technical field of material processing, and provides a hot extrusion die for refining metal and a support frame thereof, wherein the hot extrusion die comprises an extrusion unit and a limiting block; the extrusion unit comprises an extrusion column and a die body; the limiting block is provided with a groove matched with the shape and the size of the die body; the die body comprises a left die body and a right die body which are detachably arranged in the groove, and a square cavity with an open side surface and a through up-down is arranged on the left die body; the right die body is detachably connected with the left die body and seals the side face of the die cavity; the extrusion column is inserted into the cavity. When the die is used for hot extrusion of metal, the overall extrusion degree is high, and the problems of cracking and deformation of products are avoided; the supporting frame is not only convenient for moving the high-temperature die, but also can keep the die stressed stably.
Description
Technical Field
The utility model relates to the technical field of material processing, in particular to a hot extrusion die for refining metal and a support frame thereof.
Background
In order to improve the mechanical properties of the metal, hot extrusion of the metal becomes a research hot spot, and the grain size of the metal can be reduced and the grain boundary surface is increased by refining grains through hot extrusion, so that the mechanical properties of the metal, including strength, toughness, plasticity and the like, are improved, and the comprehensive properties of the metal are improved.
The extrusion bar of the hot extrusion process route is gradually developed in recent years in China, and the market application prospect is wide. The material prepared by the hot extrusion process can be applied to: optical communication (5G), medical devices, unmanned, infrared detection, aerospace, military, and high-end equipment fields.
CN202021420831.1 discloses a constant diameter angle hot extrusion die for refining magnesium alloy and aluminum alloy grains, comprising an upper die extrusion cylinder, a lower die holder, an extrusion column and a fixing bolt, wherein the upper die extrusion cylinder and the lower die holder are connected through the fixing bolt, an L-shaped right angle channel is arranged in the upper die extrusion cylinder and the lower die holder, a vertical channel of the L-shaped right angle channel is arranged in the upper die extrusion cylinder, a horizontal channel of the L-shaped right angle channel is arranged on a contact surface of the upper die extrusion cylinder and the lower die holder, and the extrusion column is arranged in the vertical channel of the L-shaped right angle channel. The hot extrusion die is designed for common upper and lower dies, the cavity of the hot extrusion die consists of a vertical channel of the upper die and a horizontal channel of the lower die, extrusion materials are discharged through the disassembly of the simple hot extrusion die, the disassembly and the assembly are simple, the operation is simple and convenient, the discharging of residual materials is easier, however, the upper and lower dies are connected through bolts, the cavity of the hot extrusion die is formed by assembling the upper and lower dies, in practical application, the integral degree of extrusion is influenced due to the fact that the bonding integrity of the cavity is difficult to ensure, and in addition, in the use process, the products are cracked and deformed due to the fact that the pressure and extrusion force applied to the die are large.
Based on the above, the technical problems solved by the scheme are as follows: how to solve the problems of low overall extrusion degree and even cracking and deformation of metal when the metal is hot extruded.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a hot extrusion die for refining metal, which not only ensures high overall extrusion degree, but also avoids the problems of cracking and deformation of products when the die is used for hot extrusion of metal.
The technical scheme of the utility model is as follows:
a hot extrusion die for refining metal comprises an extrusion unit and a limiting block; the extrusion unit comprises an extrusion column and a die body; the limiting block is provided with a groove matched with the shape and the size of the die body; the die body comprises a left die body and a right die body which are detachably arranged in the groove, and a square cavity with an open side surface and a through up-down is arranged on the left die body; the right die body is detachably connected with the left die body and seals the side face of the die cavity; the extrusion column is inserted into the cavity.
In the hot extrusion die, the right die body comprises a first wedge block and a second wedge block; the first wedge-shaped block and the second wedge-shaped block are respectively provided with a first inclined plane and a second inclined plane; the inclination angles of the first inclined plane and the second inclined plane are in a complementary relationship; the first wedge block or the second wedge block is detachably connected with the left die body and seals the side face of the die cavity.
In the hot extrusion die, holes for placing the external heating rods are formed in the left die body and the right die body.
In the hot extrusion die, an extrusion head for keeping the stress balance is arranged at the top end of the extrusion column; the upper surface of the extrusion head is flat and the surface area of the upper surface is larger than the surface area of the upper surface of the extrusion column.
In the hot extrusion die, the limiting block is further provided with a connecting groove.
In the hot extrusion die, corners of the groove and the connecting groove of the limiting block are rounded.
A die support frame for supporting a hot extrusion die as described in any one of the above, comprising a support plate and a frame body; the supporting flat plate is detachably clamped with the connecting groove of the limiting block; the support flat plate is provided with a hollowed-out part for matching with the discharging of the die and a positioning groove for clamping the die; the frame body is clamped with the supporting flat plate.
In the above mold supporting frame, the frame body comprises a bottom plate, a front side plate and a rear side plate; the upper ends of the front side plate and the rear side plate are respectively clamped at two sides of the supporting flat plate, and the lower ends of the front side plate and the rear side plate are respectively fixedly connected at two sides of the bottom plate.
In the above mold supporting frame, handles for lifting the mold and the supporting frame are respectively arranged on the front side plate and the rear side plate.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
the left die body is internally provided with the square die cavity with the open side surface and the vertical through structure, and the side surface of the die cavity is sealed by the right die body, so that the vertical through sealed die cavity is formed, wherein the right die body only plays a role of sealing the side surface of the die cavity, and the whole die cavity is positioned on the left die body, so that the continuity of the die cavity is maintained, and the integral degree of hot extrusion is further improved; in addition, the limiting block provided with the grooves matched with the shape and the size of the die bodies firmly holds and fixes the left die body and the right die body, so that the left die body and the right die body are tightly matched; meanwhile, the assembly steps of the die are simple and convenient.
The support frame is designed by adapting to a hot extrusion die, the purpose of convenient combination is realized through the support platform provided with the positioning groove, the hollowed-out part is arranged by matching with the die body for discharging, and in actual hot extrusion, the stable support body can more effectively keep the direction of hot extrusion force to be vertical to the horizontal plane.
Drawings
Fig. 1 is a schematic perspective view of a hot extrusion die and a supporting frame thereof according to embodiment 1 of the present utility model;
FIG. 2 is a schematic perspective view of a left die body of a hot extrusion die according to embodiment 1 of the present utility model;
FIG. 3 is a schematic perspective view of a first wedge block of a right die body of a hot extrusion die of embodiment 1 of the present utility model;
FIG. 4 is a schematic perspective view of a second wedge block of a right die body of the hot extrusion die of example 1 of the present utility model;
fig. 5 is a schematic perspective view of a stopper of a hot extrusion die according to embodiment 1 of the present utility model;
fig. 6 is a schematic perspective view of a support plate of a hot extrusion die of embodiment 1 of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 6, a hot extrusion die for refining metal comprises an extrusion unit 1 and a limiting block 2; the extrusion unit 1 comprises an extrusion column 11 and a die body 12; the limiting block 2 is provided with a groove matched with the die body 12 in shape and size; the die body 12 includes a left die body 121 and a right die body 122 detachably mounted in the groove; the left die body 121 is provided with a square die cavity 3 with an open side surface and a through upper and lower part; the right die body 122 is detachably connected with the left die body 121 and seals the side surface of the die cavity 3; the extrusion column 11 is inserted into the cavity 3.
The assembly steps before the operation of the die in the embodiment are as follows: the left die body 121 and the right die body 122 are placed in the grooves of the limiting block 2, the limiting block 2 is abutted against the outer walls of the left die body 121 and the right die body 122, and metal to be extruded and thinned is placed in the die cavity 3 and then inserted into the extrusion column 11.
In the embodiment, a square cavity 3 with an open side surface and a vertical through is arranged in a left die body 121, and then the side surface of the cavity 3 is sealed by a right die body 122, so that a vertical through sealed cavity 3 is formed, wherein the right die body 122 only plays a role in sealing the side surface of the cavity 3, and the whole cavity 3 is positioned on the left die body 121, so that the continuity of the cavity 3 is maintained, and the integral degree of hot extrusion is further improved; in addition, the limiting block 2 provided with the grooves matched with the shape and the size of the die body 12 firmly holds and fixes the left die body 121 and the right die body 122, so that the left die body 121 and the right die body 122 are tightly matched; meanwhile, the assembly steps of the die are simple and convenient.
Preferably, the right die body 122 includes a first wedge 1221 and a second wedge 1222; the first wedge block 1221 and the second wedge block 1222 are respectively provided with a first inclined plane 12211 and a second inclined plane 12221; the inclination angles of the first inclined surface 12211 and the second inclined surface 12221 are in a complementary relationship; the first wedge 1221 is detachably connected to the left mold body 121 and closes the side of the cavity 3.
In actual operation, due to the influence of the pressing force, the left die body 121 and the right die body 122 may deviate and loosen, so that the right die body 122 is split into the first wedge block 1221 and the second wedge block 1222; under the design, the assembly steps are as follows: sequentially placing the left die body 121, the second wedge block 1222 and the first wedge block 1221 into the groove of the limiting block 2, enabling the limiting block 2 to abut against the outer walls of the left die body 121 and the second wedge block 1222, placing metal to be extruded and thinned into the die cavity 3, and then inserting the metal into the extrusion column 11; the advantages are that: the inclined surfaces of the first and second wedge blocks 1221 and 1222 can divide the vertical pressing force into a plurality of forces therealong, thereby preventing the occurrence of deviation and looseness.
Specifically, the left die body 121 and the right die body 122 are respectively provided with a hole 4 for placing a peripheral heating rod.
In this embodiment, more preferably, the hole 4 penetrates the left and right mold bodies 121, 122; the number of the holes 4 is 8, four of which are arranged in order on the left die body 121, and the other four of which are arranged in order on the left die body 121.
In the actual hot extrusion process, in order to obtain better effect, the thermal field of each part of extrusion needs to be precisely controlled, so the distribution of the holes 4 should be optimized according to the requirement, and this embodiment provides one of the preferred schemes, the distribution and the penetrating design, and the insertion depth of the heating rod in each direction can be selected according to the requirement.
Specifically, the top end of the extrusion column 11 is provided with an extrusion head 111 for keeping the stress balanced; the upper surface of the pressing head 111 is flat and the surface area of the upper surface is larger than that of the upper surface of the pressing column 11.
The design aims to avoid that the performance of the material is reduced due to the fact that the material receives forces in multiple directions caused by unbalanced extrusion force; the extrusion head 111 increases the area to be stressed, effectively preventing uneven stress.
Preferably, the limiting block 2 is further provided with a connecting groove 21.
Preferably, in this embodiment, corners of the groove of the limiting block 2 and the connecting groove 21 are rounded.
Under the design, the corners of the groove of the limiting block 2 and the connecting groove 21 are rounded, so that the corners of the die body 12 are prevented from being worn due to long-time use, the limiting block 2 can be matched with the die body 12, and the die body 12 can be assembled simply and conveniently.
A die supporting frame for supporting the hot extrusion die as described above, comprising a supporting plate 5 and a frame body 6; the support flat plate 5 is detachably clamped with the connecting groove 21 of the limiting block 2; the supporting flat plate 5 is provided with a hollowed-out part 51 for matching with the discharging of the die and a positioning groove 52 for clamping the die; the frame body 6 is clamped with the support flat plate 5.
The supporting frame can be matched with the die, the die is integrally placed on the supporting frame through the positioning groove 52 of the supporting plate 5 and is tightly matched with the connecting groove 21 of the limiting block 2 of the die, so that the die is more stable, and the supporting frame is not influenced by the design of the hollowed-out part 51.
In the present embodiment, preferably, the frame 6 includes a bottom plate 61, a front side plate 62, and a rear side plate 63; the upper ends of the front side plate 62 and the rear side plate 63 are respectively clamped at two sides of the supporting plate 5, and the lower ends of the front side plate 62 and the rear side plate 63 are respectively fixedly connected at two sides of the bottom plate 61.
In this embodiment, the front and rear side plates 62 and 63 are preferably provided with handles 64 for lifting the mold and the support frame.
Under the above design, referring to fig. 1, the support frame raises the whole die of the frame body 6 through the front side plate 62 and the rear side plate 63, the space between the front side plate 62 and the rear side plate 63 does not obstruct discharging, and the bottom plate 61 fixes the front side plate 62 and the rear side plate 63, so that the frame body 6 is kept stable; the handle 64 is also designed, and in this embodiment, the handle 64 is a separate component that is attached to the front and rear side panels 62, 63 by fasteners.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A hot extrusion die for refining metal comprises an extrusion unit and a limiting block; the extrusion unit comprises an extrusion column and a die body; the limiting block is provided with a groove matched with the shape and the size of the die body; the mold body comprises a left mold body and a right mold body which are detachably arranged in the groove, and is characterized in that a square cavity with an open side surface and a through upper and lower part is arranged on the left mold body; the right die body is detachably connected with the left die body and seals the side face of the die cavity; the extrusion column is inserted into the cavity.
2. The hot extrusion die of claim 1, wherein the right die body comprises a first wedge and a second wedge; the first wedge-shaped block and the second wedge-shaped block are respectively provided with a first inclined plane and a second inclined plane; the inclination angles of the first inclined plane and the second inclined plane are in a complementary relationship; the first wedge block or the second wedge block is detachably connected with the left die body and seals the side face of the die cavity.
3. The hot extrusion die of claim 1, wherein the left die body and the right die body are provided with holes for placing external heating rods.
4. The hot extrusion die of claim 1, wherein the top end of the extrusion column is provided with an extrusion head for keeping the stress balanced; the upper surface of the extrusion head is flat and the surface area of the upper surface is larger than the surface area of the upper surface of the extrusion column.
5. The hot extrusion die of any one of claims 1-4, wherein the stopper is further provided with a connecting groove.
6. The hot extrusion die of claim 5, wherein corners of the slot and the connecting slot of the stopper are rounded.
7. A die support frame for supporting the hot extrusion die according to any one of claims 1 to 6, comprising a support plate and a frame body; the supporting flat plate is detachably clamped with the connecting groove of the limiting block; the support flat plate is provided with a hollowed-out part for matching with the discharging of the die and a positioning groove for clamping the die; the frame body is clamped with the supporting flat plate.
8. The mold support stand of claim 7, wherein the stand body comprises a bottom plate, a front side plate, a rear side plate; the upper ends of the front side plate and the rear side plate are respectively clamped at two sides of the supporting flat plate, and the lower ends of the front side plate and the rear side plate are respectively fixedly connected at two sides of the bottom plate.
9. The mold support frame according to claim 8, wherein handles for lifting the mold and the support frame are provided on the front side plate and the rear side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519894.6U CN220532638U (en) | 2023-06-14 | 2023-06-14 | Hot extrusion die for refining metal and supporting frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519894.6U CN220532638U (en) | 2023-06-14 | 2023-06-14 | Hot extrusion die for refining metal and supporting frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532638U true CN220532638U (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519894.6U Active CN220532638U (en) | 2023-06-14 | 2023-06-14 | Hot extrusion die for refining metal and supporting frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532638U (en) |
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2023
- 2023-06-14 CN CN202321519894.6U patent/CN220532638U/en active Active
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