CN220532639U - Cylindrical hot extrusion die and supporting frame thereof - Google Patents
Cylindrical hot extrusion die and supporting frame thereof Download PDFInfo
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- CN220532639U CN220532639U CN202321519927.7U CN202321519927U CN220532639U CN 220532639 U CN220532639 U CN 220532639U CN 202321519927 U CN202321519927 U CN 202321519927U CN 220532639 U CN220532639 U CN 220532639U
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- 238000001192 hot extrusion Methods 0.000 title claims abstract description 53
- 230000037228 dieting effect Effects 0.000 title description 2
- 238000001125 extrusion Methods 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000007670 refining Methods 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method 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
- 238000003475 lamination Methods 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
- 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 cylindrical hot extrusion die and a support frame thereof, wherein the 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 a cylinder with the upper bottom surface area unequal to the lower bottom surface area; the die body is detachably arranged in the mounting hole; a cavity which is vertically communicated is arranged in the die body; the extrusion column is inserted into the cavity and used for extruding and refining metal; the die body is provided with holes which penetrate through the die body up and down and are used for inserting heating rods arranged outside. The die can be simply and stably installed, and the temperature of hot extrusion is kept uniform when metal is hot extruded; 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 cylindrical hot extrusion die and a supporting 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 cavity of the hot extrusion die is formed by assembling the upper and lower dies, the upper and lower dies are connected only by bolts, in practical application, the lamination stability of the cavity is difficult to ensure, and a plurality of pin holes are required to be aligned during the assembly, so that the hot extrusion die is more troublesome.
Based on the above, the technical problems solved by the scheme are as follows: how to provide a hot extrusion die which can be easily and stably installed and further maintain the temperature of hot extrusion uniform.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a cylindrical hot extrusion die which can be simply and stably installed, and can keep the temperature of hot extrusion uniform when metal is hot extruded; meanwhile, a supporting frame for further fixing and moving the die is provided, and the supporting frame is convenient for moving the die at high temperature and can keep the die stressed stably.
The technical scheme of the utility model is as follows:
a cylindrical 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 a cylinder with the upper bottom surface area unequal to the lower bottom surface area; the die body is detachably arranged in the mounting hole; a cavity which is vertically communicated is arranged in the die body; the extrusion column is inserted into the cavity and used for extruding and refining metal; the die body is provided with holes which penetrate through the die body up and down and are used for inserting heating rods arranged outside.
In the cylindrical hot extrusion die, the upper bottom surface area of the die body is larger than the lower bottom surface area; the top of die body is equipped with the cutting part of the separation mould of being convenient for.
In the above-described cylindrical hot extrusion die, the mounting hole includes an upper portion, a middle portion, and a lower portion, wherein the upper and lower portions are coplanar, and the middle portion is kept to be widened outwardly in parallel with the upper and lower portions.
In the cylindrical hot extrusion die, the die body is formed by combining a left die body and a right die body which are of symmetrical structures; the left die body and the right die body are mutually matched and detachably arranged in the mounting hole; the left die body and the right die body are respectively provided with a left die cavity and a right die cavity; the left cavity and the right cavity are matched with each other to form a cavity; the left die body and the right die body are symmetrically provided with holes which penetrate through the die body up and down and are used for inserting heating rods arranged outside.
In the cylindrical 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 cylindrical hot extrusion die, the limiting block is further provided with a plurality of heat dissipation holes.
The cylindrical hot extrusion die further comprises a guide sleeve fixed at the lower end of the die body, wherein the guide sleeve is provided with a guide groove matched with and connected with the die cavity.
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 support flat plate is detachably clamped with 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 fixedly connected with the support flat plate.
In the above mold supporting frame, the frame body comprises a supporting bottom plate, a pair of supporting side plates arranged oppositely, and a pair of closed side plates arranged oppositely; the upper ends of the pair of support side plates are fixedly connected with the support flat plate, and the lower ends of the pair of support side plates are fixedly connected with the support bottom plate; the closed side plates are fixed on the pair of support side plates and are provided with observation openings.
In the above mold supporting frame, the supporting side plate is provided with a handle for lifting the mold and the supporting frame.
One of the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:
the die body in the hot extrusion die is a cylinder with the upper bottom surface area unequal to the lower bottom surface area, and the cylinder can effectively keep the uniform heating of all parts in actual work; meanwhile, the die body is stably fixed in the limiting block and tightly wrapped by the limiting block through the mounting holes matched with the limiting block, so that the temperature stability of the die body can be further kept, and the die body is convenient to mount and dismount.
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 right die body of a hot extrusion die according to embodiment 1 of the present utility model;
fig. 4 is a schematic perspective view of a stopper of a hot extrusion die according to embodiment 1 of the present utility model;
FIG. 5 is a schematic cross-sectional view of a stopper of a hot extrusion die of 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;
fig. 7 is a perspective view of a guide block 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 cylindrical 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 cylinder with the upper bottom surface area unequal to the lower bottom surface area; the die body 12 is detachably mounted in the mounting hole 21; a cavity 123 which penetrates up and down is arranged in the die body 12; the extrusion column 11 is inserted into the cavity 123 and used for extruding and refining metal; the mold body 12 is provided with holes 124 penetrating the mold body 12 up and down for inserting external heating rods.
In this embodiment, the cavity 123 is square in projection on a horizontal plane, and it should be noted that the cavity 123 may be circular.
The die body 12 of the embodiment is a cylinder with the upper bottom surface area unequal to the lower bottom surface area, and the cylinder can effectively keep the heated of each part uniform in actual work; meanwhile, the die body 12 is stably fixed in the die body 2 and tightly wraps the die body 12 through the mounting holes 21 matched with the die body 2, so that the temperature stability of the die body 12 can be further kept, and the die is convenient to mount and dismount.
In this embodiment, the upper bottom surface area of the mold body 12 is preferably larger than the lower bottom surface area; the die body 12 is provided at its top end with a cutting portion 125 for facilitating separation of the die.
With the above design, the upper bottom surface of the mold body 12 tapers down along the axis, which is more convenient to install and remove in practical applications.
More preferably, the mounting hole 21 includes an upper portion 211, a middle portion 212, and a lower portion 213, wherein the upper portion 211 and the lower portion 213 are coplanar, and the middle portion 212 is maintained to be widened outwardly in parallel with the upper portion 211 and the lower portion 213. The design reduces the contact area between the die body 12 and the limiting block 2, thereby reducing the mutual friction force between the die body 12 and the limiting block, further facilitating the installation and the disassembly, and prolonging the service life of the die.
Specifically, the mold body 12 is formed by combining a left mold body 121 and a right mold body 122 which are symmetrically structured; the left die body 121 and the right die body 122 are mutually matched and detachably installed in the installation hole 21; the left die body 121 and the right die body 122 are respectively provided with a left die cavity 1211 and a right die cavity 1221; the left cavity 1211 and the right cavity 1221 are matched with each other to form a cavity 123; the left die body 121 and the right die body 122 are symmetrically provided with holes 124 which penetrate through the die body 12 up and down and are used for inserting heating rods arranged outside.
More specifically, the left die body 121 and the right die body 122 are further provided with pin holes 3 with matched positions; the pin hole 3 comprises an upper pin hole 31 arranged at the upper end and a lower pin hole 32 arranged at the lower end; the upper pin hole 31 and the lower pin hole 32 are respectively positioned at two sides of the axis of the die body 12.
Under the design, the die body 12 is divided into the left die body 121 and the right die body 122 and is fixed by the upper pin hole 31 and the lower pin hole 32 which are matched in position, so that the die assembly precision is improved, the integral degree of the die cavity 123 is ensured, and the die can be simply opened after hot extrusion.
In this embodiment, preferably, a recess 1212 is provided at the upper end of the left die body 121. The recess 1212 facilitates both mold opening and closing and may be used to distinguish between the left mold body 121 and the right mold body 122.
In this embodiment, preferably, the limiting block 2 includes 4 groups of heat dissipation holes 22 arranged along the axial array, and a single group of heat dissipation holes 22 is provided with 4 heat dissipation holes 22 arranged vertically. The advantages are that: after the hot extrusion is completed, the heat dissipation holes 22 uniformly arranged on the limiting block 2 enable the heat dissipation rates of all the parts to be uniform.
The embodiment also comprises a guide sleeve 4 fixed at the lower end of the die body 12, wherein the guide sleeve 4 is provided with a guide groove 41 matched with and connected with the die cavity 123; the guide sleeve 4 is fixedly connected with the left die body 121 and the right die body 122 through bolts.
In practice, the guide sleeve 4 is such that the hot extruded metal is held in a vertical discharge direction.
A die supporting frame for supporting the hot extrusion die comprises a supporting flat plate 5 and a frame body 6; the support flat plate 5 is detachably clamped with 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 fixedly connected with the support flat plate 5.
In practical application, the die body is placed in the positioning groove 52, so that the bottom of the die body is abutted against the bottom and the side face of the positioning groove 52, and therefore simple positioning is achieved.
The support frame of this embodiment is designed to adapt to the hot extrusion die, the purpose of convenient combination is realized through the support flat plate 5 provided with the positioning groove 52, the hollowed-out part 51 is arranged in cooperation with the discharging of the die body 12, and in actual hot extrusion, the stable frame body 6 can more effectively keep the direction of the hot extrusion force to be vertical to the horizontal plane.
Specifically, the frame body 6 includes a support bottom plate 61, a pair of support side plates 62 arranged opposite to each other, and a pair of closure side plates 63 arranged opposite to each other; the upper ends of the pair of support side plates 62 are fixedly connected with the support flat plate 5, and the lower ends are fixedly connected with the support bottom plate 61; the closing side plate 63 is fixed to the pair of support side plates 62 and provided with a viewing port 631.
With the above design, the frame 6 is more stable and forms a closed chamber 631, and the metal state extruded by heat can be observed at any time through the observation port.
More specifically, the support side plate 62 is provided with a handle 621 for lifting the mold and the support frame.
In practical applications, the handle 621 is designed to facilitate the taking and placing of the mold.
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 (10)
1. The cylindrical hot extrusion die comprises an extrusion unit and a limiting block, and is characterized in that 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 a cylinder with the upper bottom surface area unequal to the lower bottom surface area; the die body is detachably arranged in the mounting hole; a cavity which is vertically communicated is arranged in the die body; the extrusion column is inserted into the cavity and used for extruding and refining metal; the die body is provided with holes which penetrate through the die body up and down and are used for inserting heating rods arranged outside.
2. The hot extrusion die of claim 1 wherein the die body has an upper bottom surface area that is greater than a lower bottom surface area; the top of die body is equipped with the cutting part of the separation mould of being convenient for.
3. The hot extrusion die of claim 2 wherein the mounting hole comprises an upper portion, a middle portion, and a lower portion, wherein the upper and lower portions are coplanar and the middle portion remains flared parallel to the upper and lower portions.
4. A hot extrusion die according to any one of claims 1 to 3, wherein the die body is composed of a left die body and a right die body which are symmetrically structured; the left die body and the right die body are mutually matched and detachably arranged in the mounting hole; the left die body and the right die body are respectively provided with a left die cavity and a right die cavity; the left cavity and the right cavity are matched with each other to form a cavity; the left die body and the right die body are symmetrically provided with holes which penetrate through the die body up and down and are used for inserting heating rods arranged outside.
5. The hot extrusion die of claim 4 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.
6. The hot extrusion die of claim 1, wherein the stopper is further provided with a plurality of heat dissipation holes.
7. The hot extrusion die of claim 1, further comprising a guide sleeve secured to a lower end of the die body, the guide sleeve having a guide slot that mates with and connects to the die cavity.
8. A die support frame for supporting the hot extrusion die according to any one of claims 1 to 7, comprising a support plate and a frame body; the support flat plate is detachably clamped with 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 fixedly connected with the support flat plate.
9. The mold support stand of claim 8, wherein the stand includes a support base plate, an oppositely disposed pair of support side plates, and an oppositely disposed pair of closure side plates; the upper ends of the pair of support side plates are fixedly connected with the support flat plate, and the lower ends of the pair of support side plates are fixedly connected with the support bottom plate; the closed side plates are fixed on the pair of support side plates and are provided with observation openings.
10. The mold support frame of claim 9, wherein the support side plate is provided with a handle for lifting the mold and the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519927.7U CN220532639U (en) | 2023-06-14 | 2023-06-14 | Cylindrical hot extrusion die and supporting frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321519927.7U CN220532639U (en) | 2023-06-14 | 2023-06-14 | Cylindrical hot extrusion die and supporting frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220532639U true CN220532639U (en) | 2024-02-27 |
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ID=89975879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321519927.7U Active CN220532639U (en) | 2023-06-14 | 2023-06-14 | Cylindrical hot extrusion die and supporting frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220532639U (en) |
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2023
- 2023-06-14 CN CN202321519927.7U patent/CN220532639U/en active Active
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