CN219683613U - Rim section extrusion forming die - Google Patents
Rim section extrusion forming die Download PDFInfo
- Publication number
- CN219683613U CN219683613U CN202321361641.0U CN202321361641U CN219683613U CN 219683613 U CN219683613 U CN 219683613U CN 202321361641 U CN202321361641 U CN 202321361641U CN 219683613 U CN219683613 U CN 219683613U
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- China
- Prior art keywords
- die
- hole
- upper die
- feed port
- feeding
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- 238000001125 extrusion Methods 0.000 title claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 230000004075 alteration Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 14
- 238000009825 accumulation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The utility model relates to a rim profile extrusion forming die which comprises an upper die and a lower die matched with the upper die, wherein a plurality of feeding holes penetrating through the upper die are formed in the upper die, the feeding holes are symmetrically arranged by taking the axis of the upper die as the center, one side, close to the outer wall of the upper die, of each feeding hole is provided with an inclined surface which is inclined outwards in the direction of the lower die, one side, close to the center of the upper die, of each feeding hole is parallel to the axis of the upper die, and a forming hole communicated with the feeding holes and a discharging hole communicated with the forming hole are formed in the lower die. The utility model has the characteristics of ensuring that the feeding holes are consistent in feeding all the positions, realizing feeding uniformity, avoiding the generation of larger chromatic aberration on the surface of the profile, and the like.
Description
Technical Field
The utility model relates to a rim profile extrusion forming die, and belongs to the technical field of dies.
Background
The existing mould for producing aluminum profiles mainly comprises an upper mould and a lower mould, when the profiles are extruded, materials flow into a welding chamber in the lower mould after being shunted through a shunt hole in the upper mould, flow is gathered after entering the welding chamber, then the materials enter a forming space formed by a mould core and the mould hole for extrusion forming, and finally the materials are discharged from the mould hole.
An aluminum profile extrusion die is disclosed in chinese patent application publication No. CN115318864 a. This aluminium alloy extrusion die includes cope match-plate pattern and lower bolster, the cope match-plate pattern is located one side of lower bolster, the discharge gate has been seted up at one side middle part of cope match-plate pattern, the feed port has been seted up at the one end middle part of lower bolster, the feed port is parallel arrangement with the discharge gate, one side that the discharge gate was kept away from to the feed port is provided with the cutting piece, the cutting piece is annular setting, the diameter that the cutting piece encloses is greater than the diameter of feed port, the tip of cutting piece is the platykurtic setting.
The middle part of the extrusion die is provided with a feeding hole, a single section bar is extruded and molded for a single time, the single output of the section bar is low, and an oxide layer on the surface of the section bar is easy to generate chromatic aberration.
Disclosure of Invention
The utility model aims to provide a rim profile extrusion forming die, which solves the problems of lower profile output, easy chromatic aberration on the profile surface and the like in the prior art.
The technical aim of the utility model is mainly solved by the following technical scheme: the rim profile extrusion forming die comprises an upper die and a lower die matched with the upper die, wherein a plurality of feeding holes penetrating through the upper die are formed in the upper die, the feeding holes are symmetrically arranged by taking the axis of the upper die as the center, one side, close to the outer wall of the upper die, of each feeding hole is provided with an inclined surface which faces the direction of the corresponding die and inclines outwards, one side, close to the center of the upper die, of each feeding hole is parallel to the axis of the upper die, and a forming hole communicated with the feeding holes and a discharging hole communicated with the forming hole are formed in the lower die; above-mentioned go up mould and bed die mutually support and form forming die, and the feed port sets up a plurality of mutual central symmetry, realizes the shaping ejection of compact of single many section bar, effectively improves section bar output, and the inclined plane sets up, and the feeding in the multiplicable feed port outside, and through the parallel setting of the axis of one side and last mould that is close to the upper die center on the feed port, guarantees that the feed port everywhere feeds keep unanimously, realizes the homogeneity of feeding to avoid section bar surface to produce great colour difference, and influence section bar production quality.
Preferably, a first cambered surface parallel to the axis of the upper die is arranged at the position of the top end of the inclined surface corresponding to the inlet of the feeding hole, and a second cambered surface parallel to the first cambered surface is arranged at the position of the bottom end of the inclined surface corresponding to the outlet of the feeding hole; above-mentioned setting of first cambered surface can keep the stability of feeding, increases the guide effect to the feeding, avoids raw materials flow direction disorder and influences the velocity of flow, and the setting of second cambered surface can avoid part raw materials to accumulate and can't flow in dead angle department and cause extravagant and increase the clearance degree of difficulty.
Preferably, a filling table top is arranged between the edge of the outlet of the feeding hole and the edge of the forming hole; the arrangement of the filling table top can increase the accumulation space of raw materials, so that the raw materials enter the forming holes more fully, and partial loss of the surface of the profile during forming is avoided.
Preferably, a working belt is arranged in the middle of the forming hole, and the circumferential thickness of the working belt is consistent everywhere; the working belt is used for forming the profile, the circumferential thickness of the working belt is kept consistent everywhere, the additional groove is not required to be arranged to change the flow speed, the consistency of the extrusion speed of the profile can be ensured, the surface of the profile is prevented from generating partial defects, and the surface of the profile is prevented from generating larger chromatic aberration.
Preferably, a counter bore is formed between the end face of the working belt and the end face of the lower die; the counter bore can enhance the accumulation effect of raw materials, ensure the full filling of the raw materials and avoid the generation of flaws.
Preferably, the working belt is enclosed to form a forming cavity, and the size of the cavity formed by enclosing the discharge hole is larger than that of the forming cavity; the size of the cavity formed by surrounding the discharge hole is larger than that of the forming cavity, so that the influence of scratch on the surface of the formed profile caused by the side wall of the discharge hole on the forming quality of the surface of the profile can be avoided, and the integrity of discharge is ensured.
Preferably, an annular convex part is arranged at the edge of the lower die, and an annular limiting part which is positioned at the inner side of the annular convex part and matched with the annular convex part is arranged at the bottom of the upper die; the annular protruding part and the annular limiting part are arranged so as to form guiding limiting on the composition of the upper die and the lower die, position the assembly of the upper die and the lower die and ensure that the forming hole and the feeding hole are aligned without errors.
Therefore, the utility model has the characteristics of ensuring that the feeding holes are consistent in feeding all the places, realizing feeding uniformity, avoiding the generation of larger chromatic aberration on the surface of the profile, and the like.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a cross-sectional view of the structure of fig. 1.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
As shown in fig. 1-2, an extrusion forming die for rim section bar comprises an upper die 1 and a lower die 2 matched with the upper die 1, wherein a plurality of feeding holes 11 penetrating through the upper die 1 are arranged on the upper die 1, the feeding holes 11 are symmetrically arranged by taking the axis of the upper die 1 as the center, one side, close to the outer wall of the upper die 1, of each feeding hole 11 is provided with an inclined surface 111 which is inclined outwards in the direction of the lower die 2, one side, close to the center of the upper die 1, of each feeding hole 11 is parallel to the axis of the upper die 1, a forming hole 21 communicated with the feeding holes 11 and a discharging hole 22 communicated with the forming hole 21 are arranged on the lower die 2, a first cambered surface 112 parallel to the axis of the upper die 1 is arranged at the position, corresponding to the inlet of the feeding holes 11, a second cambered surface 113 parallel to the first cambered surface 112 is arranged at the position, corresponding to the outlet of the feeding holes 11, a filling table surface 23 is arranged between the edge of the outlet of the feeding holes 11 and the edge of the forming holes 21, an annular convex part 24 is arranged at the edge of the lower die 2, and an annular limiting part 12 which is matched with the annular convex part 24 is arranged at the bottom of the upper die 1.
The upper die is clamped on the inner side of the annular protruding portion of the lower die through the annular limiting portion, the complete die is assembled and formed, the feeding holes are symmetrically arranged by taking the axis of the die above as the center, two symmetrical feeding holes are formed in the embodiment, the two feeding holes are identical in structure and are respectively communicated with one forming hole independently, each feeding hole is independently fed and formed, but single raw materials are adopted, the inner diameter of each feeding hole is gradually enlarged from an inlet to the direction where the lower die is located, one side, close to the center of the upper die, of each feeding hole is unchanged, and one side, close to the outer wall of the upper die 1, of each feeding hole 11 is gradually inclined outwards.
When the raw materials are extruded into the forming hole from the feeding hole, the raw materials enter the horizontal position of the inclined plane from the horizontal position of the first cambered surface and reach the horizontal position of the second cambered surface, the raw materials fill the included angle between the second cambered surface and the upper end surface of the lower die and simultaneously pour into the forming hole, and the extruded raw materials are shaped through the working belt, so that the formed profile extends from the forming hole to the discharging hole and is sent out.
As shown in fig. 2, a working belt 211 is arranged in the middle of the forming hole 21, the circumferential thickness of the working belt 211 is kept consistent everywhere, a counter bore 212 is formed between the end face of the working belt 211 and the end face of the lower die 2, the working belt 211 is enclosed to form a forming cavity 213, and the size of the cavity formed by enclosing the discharging hole 22 is larger than that of the forming cavity 213; the final profile appearance of the working belt is formed, the thickness of each position on the working belt is consistent, and the stability of raw materials flowing through the working belt can be maintained, so that the uniformity of profile forming is ensured, and when the raw materials are poured into forming holes, a certain amount of accumulation is formed at counter bores, so that the raw materials are kept to be fully poured into the forming holes.
Claims (7)
1. The utility model provides a rim section bar extrusion die which characterized in that: including last mould (1) and with last mould (1) complex bed die (2), be equipped with a plurality of feed port (11) of going up mould (1) of running through on last mould (1), the axis that mould (1) were gone up to feed port (11) is the central symmetry setting, one side that feed port (11) are close to the outer wall of last mould (1) is equipped with down mould (2) place orientation and inclined plane (111) of outside slope, one side that is close to last mould (1) center on feed port (11) is parallel with the axis of last mould (1), be equipped with on bed die (2) with feed port (11) shaping hole (21) and discharge port (22) with shaping hole (21) intercommunication.
2. The rim profile extrusion die of claim 1, wherein: the top of inclined plane (111) corresponds import place that feed port (11) is equipped with first cambered surface (112) parallel with last mould (1) axis, the place that the export place that feed port (11) was located in inclined plane (111) bottom corresponds to is equipped with second cambered surface (113) parallel with first cambered surface (112).
3. The rim profile extrusion die of claim 1, wherein: a filling table-board (23) is arranged between the edge of the outlet of the feeding hole (11) and the edge of the forming hole (21).
4. The rim profile extrusion die of claim 1, wherein: the middle part of the forming hole (21) is provided with a working belt (211), and the circumferential thickness of the working belt (211) is consistent everywhere.
5. The rim profile extrusion die of claim 4, wherein: a counter bore (212) is formed between the end face of the working belt (211) and the end face of the lower die (2).
6. The rim profile extrusion die as in claim 4 or 5, wherein: the working belt (211) is enclosed to form a forming cavity (213), and the size of the cavity formed by enclosed discharge holes (22) is larger than that of the forming cavity (213).
7. The rim profile extrusion die of claim 1, wherein: the edge of the lower die (2) is provided with an annular convex part (24), and the bottom of the upper die (1) is provided with an annular limiting part (12) which is positioned at the inner side of the annular convex part (24) and matched with the annular convex part (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361641.0U CN219683613U (en) | 2023-05-31 | 2023-05-31 | Rim section extrusion forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321361641.0U CN219683613U (en) | 2023-05-31 | 2023-05-31 | Rim section extrusion forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219683613U true CN219683613U (en) | 2023-09-15 |
Family
ID=87967898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321361641.0U Active CN219683613U (en) | 2023-05-31 | 2023-05-31 | Rim section extrusion forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219683613U (en) |
-
2023
- 2023-05-31 CN CN202321361641.0U patent/CN219683613U/en active Active
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