CN220532640U - Square hot extrusion die and support frame thereof - Google Patents
Square hot extrusion die and support frame thereof Download PDFInfo
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- CN220532640U CN220532640U CN202321519981.1U CN202321519981U CN220532640U CN 220532640 U CN220532640 U CN 220532640U CN 202321519981 U CN202321519981 U CN 202321519981U CN 220532640 U CN220532640 U CN 220532640U
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- 238000001192 hot extrusion Methods 0.000 title claims abstract description 45
- 238000001125 extrusion Methods 0.000 claims abstract description 29
- 230000000295 complement effect Effects 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 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
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of material processing, and provides a square hot extrusion die which 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 mounting hole matched with the die body; the die body is cuboid; the die body consists of a left die body and a right die body which are matched and detachably arranged in the mounting hole; the left die body comprises a first wedge-shaped block and a second wedge-shaped block which 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 cavity is formed by matching a right cavity arranged on the right die body with a left cavity arranged on the first wedge-shaped block. When the die is used for hot extrusion, the problems of cracking and deformation of a product are avoided, and the die is reliable and convenient to assemble and has enhanced stress intensity, so that the surface quality of metal is improved; 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 square hot extrusion die 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.
CN201922420133.5 discloses an equal channel angular extrusion die, which comprises an extrusion die and an extrusion pressure head, wherein a vertical extrusion channel and an inclined channel are arranged in the extrusion die, a back pressure barrier strip is arranged in the inclined channel, a gap between the back pressure barrier strip and the inner wall of the inclined channel forms an angular extrusion channel, the tail end of the vertical extrusion channel is communicated with the starting end of the angular extrusion channel, the extrusion pressure head is arranged in the vertical extrusion channel in a sliding manner, and the back pressure barrier strip and the extrusion die are in clearance fit. The purpose is to prevent the lateral surface of metal from being deformed, but its back pressure blend stop is actually very stressed, is easy to bend and deform in actual work, and leads to the deformation of metal.
Based on the above, the technical problems solved by the scheme are as follows: how to solve the problems of cracks and deformation of the product in hot extrusion, and simultaneously, the die assembly is reliable and convenient.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a square hot extrusion die, which not only avoids the problems of cracks and deformation of products during hot extrusion, but also has reliable and convenient die assembly and enhanced stress intensity, thereby improving the surface quality of metal.
The technical scheme of the utility model is as follows:
a square 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 mounting hole matched with the die body; the die body is cuboid; a cavity which is vertically communicated is arranged in the die body; the extrusion column is inserted into the cavity, and the die body consists of a left die body and a right die body which are matched and detachably arranged in the mounting hole; the left die body comprises a first wedge-shaped block and a second wedge-shaped block which 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 cavity is formed by matching a right cavity arranged on the right die body with a left cavity arranged on the first wedge-shaped block.
In the hot extrusion die, the left die body and the right die body are also provided with pin holes with matched positions; the pin holes comprise an upper pin hole arranged at the upper end and a lower pin hole arranged at the lower end; the upper pin hole and the lower pin hole are respectively positioned at two sides of the axis of the die body.
In the hot extrusion die, the left die body and the right die body are respectively provided with holes which penetrate up and down and are used for inserting heating rods arranged outside.
In the hot extrusion die, the limiting block is further provided with a plurality of heat dissipation holes.
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 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, the assembling steps of the die are simple and convenient, and in addition, the limiting block can also play a role in heat preservation. Meanwhile, through the first wedge block and the second wedge block which are complementary, the extrusion force is decomposed along the corresponding inclined planes during hot extrusion, and the integral stress intensity of the die is improved.
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 according to example 1 of the present utility model;
FIG. 2 is a front view schematically showing a hot extrusion die and a supporting frame thereof according to embodiment 1 of the present utility model;
FIG. 3 is a schematic perspective view of a first wedge block of a left die body of a hot extrusion die of embodiment 1 of the present utility model;
FIG. 4 is a schematic perspective view of a right die body of a hot extrusion die according to embodiment 1 of the present utility model;
FIG. 5 is a schematic perspective view of a second wedge block of a left die body of a hot extrusion die of example 1 of the present utility model;
fig. 6 is a schematic perspective view of a stopper of a hot extrusion die according to embodiment 1 of the present utility model;
fig. 7 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. 1-7, a square hot extrusion die 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 mounting hole 21 matched with the die body 12; the die body 12 is a cuboid; a cavity 3 which is vertically communicated is arranged in the die body 12; the extrusion column 11 is inserted into the cavity 3, and the die body 12 is formed by matching a left die body and a right die body 131 and is detachably installed in the installation hole 21; the left die body comprises a first wedge block 121 and a second wedge block 122 which 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 cavity 3 is formed by matching a right cavity 31 arranged on the right die body 131 with a left cavity 32 arranged on the first wedge-shaped block 121.
With the above design, the assembly steps of the present embodiment are: the right die body 131 with the right die cavity 31 is placed in the mounting hole 21 of the limiting block 2, the outer wall of the right die body is close to one side of the mounting hole 21, then the first wedge block 121 with the left die cavity 32 is placed, the left die cavity 32 and the right die cavity 31 are attached, finally the second wedge block 122 is placed, the first inclined plane and the second inclined plane are attached, the outer wall of the right die body abuts against the other side of the mounting hole 21, and after assembly, all components do not slide obviously.
The limiting block 2 provided with the groove matched with the shape and the size of the die body 12 firmly holds and fixes the left die body and the right die body 131, so that the left die body and the right die body 131 are tightly matched, the assembly steps of the die are simple and convenient, and in addition, the limiting block 2 can play a role in heat preservation. Meanwhile, through the first wedge-shaped block 121 and the second wedge-shaped block 122 which are complementary, the extrusion force is decomposed along the corresponding inclined planes during hot extrusion, and the integral stress intensity of the die is improved.
In this embodiment, preferably, the left die body and the right die body 131 are further provided with pin holes 4 with matched positions; the pin holes 4 include an upper pin hole 41 provided at an upper end, and a lower pin hole 42 provided at a lower end; the upper pin hole 41 and the lower pin hole 42 are respectively positioned at two sides of the axis of the die body 12.
Under the above design, the left die body and the right die body 131 are firstly connected through the upper pin hole 41 and the lower pin hole 42 which are matched in position, and then are placed into the mounting hole 21, so that the matching degree of the left die cavity 32 and the right die cavity 31 is further optimized, and further the performance of hot extrusion of metal is improved.
In actual operation, the left die body and the right die body 131 are respectively provided with a hole 5 which penetrates up and down and is used for inserting a heating rod arranged outside. The purpose is to achieve direct heating of the interior of the mould.
In this embodiment, more preferably, the first wedge block 121 of the left die body is provided with four holes 5 arranged in parallel, and the right die body 131 is provided with four holes 5 arranged in parallel. The advantages are that: the uniformly arranged holes 5 can effectively improve the uniform heating of the cavity 3.
Preferably, the limiting block 2 is further provided with a plurality of heat dissipation holes 22. The advantages are that: after the hot extrusion is completed, the heat dissipation holes 22 disposed on the stopper 2 can accelerate the heat dissipation thereof, and the extruded air can be discharged during the hot extrusion.
In the above-mentioned hot extrusion die, the limiting block 2 is further provided with a connecting groove 23.
In the above-mentioned hot extrusion die, corners of the mounting hole 21 and the connecting groove 23 of the limiting block 2 are rounded.
Under the design, the corners of the mounting hole 21 and the connecting groove 23 of the limiting block 2 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 support frame for supporting a hot extrusion die as described in any one of the above, comprising a support plate 6 and a frame body 7; the support flat plate 6 is detachably clamped with the connecting groove 23 of the limiting block 2; the support flat plate 6 is provided with a hollowed-out part 61 for matching with the discharging of the die and a positioning groove 62 for clamping the die; the frame body 7 is clamped with the support flat plate 6.
The support frame can be matched with the die, the die is integrally placed on the support frame through the positioning groove 62 of the support plate 6 and is tightly matched with the connecting groove 23 of the limiting block 2 of the die, so that the die is more stable, and the design of the hollowed-out part 61 enables the support frame not to influence the discharging of the die.
As a preference of the present embodiment, the frame 7 includes a bottom plate 71, a front side plate 72, and a rear side plate 73; the upper ends of the front side plate 72 and the rear side plate 73 are respectively clamped at two sides of the supporting flat plate 6, and the lower ends of the front side plate 72 and the rear side plate 73 are respectively fixedly connected at two sides of the bottom plate 71.
In this embodiment, the front side plate 72 and the rear side plate 73 are each preferably provided with a handle 74 for lifting up the mold and the support frame.
Under the design, the support frame raises the whole die of the frame body 7 through the front side plate 72 and the rear side plate 73, the space between the front side plate 72 and the rear side plate 73 does not obstruct discharging, and the bottom plate 71 fixes the front side plate 72 and the rear side plate 73, so that the frame body 7 is kept stable; the handle 74 is also designed, and in this embodiment, the handle 74 is a separate component that is attached to the front side plate 72 and the rear side plate 73 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 square 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 mounting hole matched with the die body; the die body is cuboid; a cavity which is vertically communicated is arranged in the die body; the extrusion column is inserted into the cavity, and is characterized in that the die body consists of a left die body and a right die body which are matched and detachably arranged in the mounting hole; the left die body comprises a first wedge-shaped block and a second wedge-shaped block which 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 cavity is formed by matching a right cavity arranged on the right die body with a left cavity arranged on the first wedge-shaped block.
2. The hot extrusion die of claim 1, wherein the left die body and the right die body are further provided with pin holes with matched positions; the pin holes comprise an upper pin hole arranged at the upper end and a lower pin hole arranged at the lower end; the upper pin hole and the lower pin hole are respectively positioned at two sides of the axis of the die body.
3. The hot extrusion die of claim 1, wherein the left die body and the right die body are provided with holes penetrating up and down for inserting heating rods of the peripheral devices.
4. The hot extrusion die of claim 1, wherein the stopper is further provided with a plurality of heat dissipation holes.
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 |
|---|---|---|---|
| CN202321519981.1U CN220532640U (en) | 2023-06-14 | 2023-06-14 | Square hot extrusion die and support frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519981.1U CN220532640U (en) | 2023-06-14 | 2023-06-14 | Square hot extrusion die and support frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532640U true CN220532640U (en) | 2024-02-27 |
Family
ID=89962484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519981.1U Active CN220532640U (en) | 2023-06-14 | 2023-06-14 | Square hot extrusion die and support frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532640U (en) |
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2023
- 2023-06-14 CN CN202321519981.1U patent/CN220532640U/en active Active
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