CN204108013U - Heronsbill aluminium alloy extrusion mould - Google Patents
Heronsbill aluminium alloy extrusion mould Download PDFInfo
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- CN204108013U CN204108013U CN201420516377.8U CN201420516377U CN204108013U CN 204108013 U CN204108013 U CN 204108013U CN 201420516377 U CN201420516377 U CN 201420516377U CN 204108013 U CN204108013 U CN 204108013U
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Abstract
The utility model discloses a kind of heronsbill aluminium alloy extrusion mould, comprise upper die and lower die, patrix is provided with first and enters charge level, and with first enter that charge level is oppositely arranged first go out charge level, first goes out charge level is arranged with bonding container, first enters charge level is provided with multiple shunting bridge, periphery tap hole is circumferentially formed between shunting bridge, first enters charge level center is provided with center tap hole, periphery tap hole is all communicated with bonding container with center tap hole, the length of periphery tap hole is less than the length of center tap hole, counterdie be provided with to go out with first that charge level coordinates second enter charge level, second enters charge level is provided with the work strip be communicated with bonding container, work strip is provided with centre bore, and with the center of circle of the centre bore helically radial multiple tooth nibs arranged that distribute.This mould strength is good, not easily pressure collapse and fracture, and low cost of manufacture, ensure the quality of product.
Description
Technical field
The utility model relates to a kind of extrusion die, particularly relates to a kind of heronsbill aluminium alloy extrusion mould.
Background technology
Aluminium alloy is because of light weight, good thermal conductivity and be easily processed into responsible shape, is usually used in manufacturing radiator.At present, Application comparison has heronsbill aluminium alloy heat radiator widely, and this radiator has the feature of high density, high multiple, and fin is close and elongated, and radially, therefore radiating effect is very good.But this radiator due to the spacing of fin short, the flute profile depth-to-width ratio between abutting fins is large, Wall-Thickness Difference is large, and fin is thin, and the base plate thickness of root is large, brings very large difficulty therefore to the design of mould, manufacture and production.Use mould to produce in heronsbill aluminium alloy heat radiator process, because metal is uneven by the flow control of nib, produces tension, easily cause mould to fracture; And mould often uses the steel production mould of import at present, therefore the manufacturing cost of mould is high.
Summary of the invention
The purpose of this utility model is to provide a kind of heronsbill aluminium alloy extrusion mould, can reach mould not frangibility and the object reducing die manufacturing cost.
For realizing the purpose of this utility model, the technical scheme taked is:
A kind of heronsbill aluminium alloy extrusion mould, comprise upper die and lower die, patrix is provided with first and enters charge level, and with first enter that charge level is oppositely arranged first go out charge level, first goes out charge level is arranged with bonding container, first enters charge level is provided with multiple shunting bridge, periphery tap hole is circumferentially formed between shunting bridge, first enters charge level center is provided with center tap hole, periphery tap hole is all communicated with bonding container with center tap hole, the length of periphery tap hole is less than the length of center tap hole, counterdie be provided with to go out with first that charge level coordinates second enter charge level, second enters charge level is provided with the work strip be communicated with bonding container, work strip is provided with centre bore, and with the center of circle of the centre bore helically radial multiple tooth nibs arranged that distribute.
Bonding container all designs at patrix, counterdie adopts without bonding container design, and second of counterdie enters charge level and obtains by grinding or finish turning processing, ensures the consistent of each tooth mold hole work belt benchmark, the error of land length is reduced, prevents from fractureing because of flow rate of metal difference between tooth nib; Decrease the production cycle of counterdie and the difficulty reducing to repair a die, save the use of die steel simultaneously, reduce die manufacturing cost.The length of center tap hole is greater than the length of periphery tap hole, increase the frictional resistance of metal fluid and center tap hole, the metal fluid that slows down flows into centre bore speed after entering work strip, reduce the speed difference that metal fluid flows into centre bore and flows into tooth nib, the position preventing tooth nib to be connected with centre bore produces tension, cause work strip to produce flexural deformation, make mould not frangibility.
Below technical scheme is further illustrated:
Further, the area of section of center tap hole is 1/2 ~ 3/4 of periphery tap hole minimum cross-sectional area.The area of section of center tap hole is less than periphery tap hole minimum cross-sectional area, the amount of metal that center tap hole is distributed is less than the amount of metal that periphery tap hole distributes, the metal fluid that slows down flows into centre bore speed after entering work strip, further minimizing metal fluid flows into centre bore and flows into the speed difference of tooth nib, the position preventing tooth nib to be connected with centre bore produces tension, cause work strip to produce flexural deformation, make mould not frangibility.
Further, periphery tap hole is provided with relief, and relief goes out towards first charge level direction enters charge level gradually center away from first by the first pan feeding, and the angle that relief and first goes out charge level formation is 9 °.Periphery tap hole arranges relief, make the metal fluid of inflow periphery tap hole go out charge level from the first pan feeding towards first to expand at an angle, reduce the resistance of metal fluid, accelerate the speed flowing into tooth nib after metal fluid enters work strip, further minimizing metal fluid flows into centre bore and flows into the speed difference of tooth nib, the position preventing tooth nib to be connected with centre bore produces tension, causes work strip to produce flexural deformation, makes mould not frangibility.
Further, shunting bridge is radially evenly arranged with the center that first enters charge level, forms 8 described periphery tap holes circumferentially between shunting bridge, and the width of shunting bridge is less than 14mm.First enters that charge level is circumferentially uniform arranges periphery tap hole, the flow velocity of budget metals fluid, when shunting bridge width is less than 14mm, when the quantity of periphery tap hole is 8, be in metal fluid under shunting bridge and metal fluid under periphery tap hole does not exist current difference, work strip flow velocity on same pressure circle is agreed, prevents from fractureing because of flow rate of metal difference between tooth nib, make mould not frangibility.Multiple tooth nibs of counterdie are with the helically radial distribution setting of the center of circle of centre bore, and the tap hole of patrix circumferentially, makes tap hole and work strip keep geometric similarity, ensures that the metal Procurement Allocation of each nib is even, improves the quality of product.
Be further, core rod is formed between periphery tap hole, shunting Qiao He center tap hole, the cross section of core rod is rounded, the radius of core rod is greater than the radius of centre bore, form cantilever between tooth nib, the length of cantilever is L, and the radius of periphery tap hole is R, the radius of centre bore is r, and meets following relation: R-r=(1/4 ~ 1/3) × L.The radius of core rod is greater than the radius of centre bore, makes cantilever cover under core rod near the part of centre bore, and when reducing to extrude, metal pair cantilever is near the normal pressure of center hole part, prevents cantilever from being collapsed by pressure, improves the intensity of mould.
Further, the degree of depth of cantilever is 50 ~ 60mm, ensures the smooth depanning of metal fluid, and ensures the intensity of work strip.
Further, the land length of tooth nib is reduced gradually by the end of centre bore to tooth nib, and the work strip width of tooth nib end is 0.4 ~ 0.7mm.Because work strip plays inhibition to metal flow, increase land length and can increase frictional resistance, flowing extruding force is increased, force metal to the little partial-flow of resistance.During extruding, the flow behavior of metal is fast near the metal flow of centre bore, slack-off gradually away from center, therefore the land length of tooth nib is reduced gradually by the end of centre bore to tooth nib, when making metal flow into tooth mold hole work belt, ensure that first metal is full of the end of tooth nib, avoid, because metal supply distribution is improper, causing the quality problems that product wall unevenness is even.
Further, the height of bonding container is 30 ~ 35mm, makes metal fluid obtain sufficient seam at bonding container, improves welding quality.
Further, first goes out charge level edge is convexly equipped with the first seam, and second enters charge level is arranged with the second seam coordinated with the first seam.By the cooperation of the first seam and the second seam, make upper die and lower die snug fit, ensure upper die and lower die centering, improve the assembly precision of mould.
Compared with prior art, the utility model has following beneficial effect:
By the cooperation of the first seam and the second seam, the assembly precision of upper die and lower die is high.Bonding container all designs at patrix, counterdie adopts and designs without bonding container, second of counterdie enters charge level and is designed to plane, and the width of shunting bridge is less than 14mm, patrix is circumferentially evenly arranged 8 periphery tap holes, work strip flow velocity on same pressure circle is agreed, prevents from fractureing because of flow rate of metal difference between tooth nib, make mould not frangibility.The length of periphery tap hole is less than the length of center tap hole, the area of section of center tap hole is less than periphery tap hole minimum cross-sectional area, and periphery tap hole is provided with relief, budget metals fluid enters the speed of centre bore and tooth nib, avoid work strip to produce flexural deformation, make mould not frangibility.The land length of tooth nib is reduced gradually by the end of centre bore to tooth nib, ensures that first metal fluid is full of the end of tooth nib, makes metal supply distributed uniform.Cantilevered head covers under the core rod of patrix, prevents cantilever from being collapsed by pressure, improves the intensity of mould.Because this mould strength is high, mould can adopt conventional domestic steel to manufacture, and greatly reduces the manufacturing cost of mould.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment heronsbill aluminium alloy extrusion mould;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment patrix;
Fig. 4 is the structural representation of the utility model embodiment counterdie;
Fig. 5 is the structural representation of the utility model embodiment work strip.
Description of reference numerals:
100. patrixes, 110. first enter charge level, and 120. first go out charge level, 130. bonding container, 140. shunting bridges, 150. periphery tap holes, 160. center tap holes, 170. first seams, 180. core rods, 200. counterdies, 210. second enter charge level, 220. work strip, 230. centre bores, 240. tooth nibs, 241. tooth nib roots, 242. tooth nib tips, 250. second seams, 260. cantilevers, 261. cantilevered heads.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As shown in Figure 1 and Figure 2, a kind of heronsbill aluminium alloy extrusion mould, comprise patrix 100 and counterdie 200, patrix 100 is provided with first and enters charge level 110 and enter that charge level 110 is oppositely arranged with first, first goes out charge level 120 is arranged with bonding container 130, counterdie 200 be provided with to go out with first that charge level 120 coordinates second enter charge level 210, second enters charge level 210 is provided with the work strip 220 be communicated with bonding container 130.Bonding container 130 all designs at patrix 100, counterdie 200 adopts and designs without bonding container 130, second enters charge level 210 can be designed to plane, second enters charge level 210 obtains by grinding or finish turning processing, ensure the consistent of work strip 220 each position benchmark, the error of work strip 220 length is reduced, prevents from because of flow rate of metal difference, work strip 220 being damaged; Decrease the production cycle of counterdie 200 and the difficulty reducing to repair a die, save the use of die steel simultaneously, reduce die manufacturing cost.
In the present embodiment, the height of bonding container 130 is 30mm, and the height of bonding container 130 also can be set to 30 ~ 35mm, makes metal fluid obtain sufficient seam at bonding container 130, improves welding quality.
As shown in Figure 1, Figure 3, first enters charge level 110 is provided with 8 shunting bridges 140, shunting bridge 140 is radially evenly arranged with the center that first enters charge level 110,8 periphery tap holes 150 are circumferentially formed between shunting bridge 140, first enters charge level 110 center is provided with center tap hole 160, and periphery tap hole 150 is all communicated with bonding container 130 with center tap hole 160.First enters that charge level 110 is circumferentially uniform arranges periphery tap hole 150, and center tap hole 160 is positioned at center, the flow velocity of budget metals fluid, reduces extruding force, promotes that metal fluid is in the seam again of bonding container 130.
As shown in Figure 2 and Figure 3, in the present embodiment, the width of shunting bridge 140 is 12mm, and the width of shunting bridge 140 can also be set to be less than 14mm.When shunting bridge 140 width is less than 14mm, when the quantity of periphery tap hole 150 is 8, be in metal fluid under shunting bridge 140 and metal fluid under periphery tap hole 150 does not exist current difference, work strip 220 flow velocity on same pressure circle under periphery tap hole 150 is agreed, prevents from damaging work strip 220 because of flow rate of metal difference.
As shown in Figure 4, the second work strip 220 entering charge level 210 is provided with centre bore 230 and is located at multiple tooth nibs 240 of centre bore 230 periphery, multiple tooth nib 240 be all communicated with centre bore 230 and with the center of circle of centre bore 230 helically radial distribution arrange.After patrix 100 and counterdie 200 centering, center tap hole 160 is positioned at directly over centre bore 230, periphery tap hole 150 circumference is evenly arranged in directly over tooth nib 240, tap hole and work strip 220 is made to keep geometric similarity, ensure the metal supply distributed uniform at each position of work strip 220, avoid, because metal supply distribution is improper, causing the quality problems that product wall unevenness is even.
As shown in Figure 1, first goes out charge level 120 edge and is convexly equipped with the first seam 170, the second and enters charge level 210 and be arranged with the second seam 250 coordinated with the first seam 170.By the cooperation of the first seam 170 and the second seam 250, make patrix 100 and counterdie 200 snug fit, ensure patrix 100 and counterdie 200 centering, improve the assembly precision of mould.
As Figure 1 and Figure 4, in the present embodiment, the length 15mm longer than the length of center tap hole 160 of periphery tap hole 150, the length of periphery tap hole 150 can also 15 ~ 20mm longer than the length of center tap hole 160.After metal fluid flows into work strip 220, because the area of centre bore 230 is large, resistance is little, metal fluid flow velocity is fast, and the area of tooth nib 240 is little, and resistance is large, metal fluid flow velocity is slow, tooth nib root 241 very easily can be caused like this to produce tension, make work strip 220 produce flexural deformation.The length of center tap hole 160 is greater than the length of periphery tap hole 150, increase the frictional resistance of metal fluid and center tap hole 160, the metal fluid that slows down flows into centre bore 230 speed after entering work strip 220, reduce the speed difference that metal fluid flows into centre bore 230 and flows into tooth nib 240, prevent tooth nib root 241 from producing tension, make work strip 220 produce flexural deformation.
As shown in Figure 2 and Figure 3, periphery tap hole 150 is provided with relief 151 away from the side of center tap hole 160, relief 151 enters charge level 110 by first and goes out to first charge level 120 direction enters charge level 110 gradually center away from first, and the angle that relief 151 and first goes out charge level 120 formation is 9 °.Periphery tap hole 150 arranges relief 151, make the metal fluid of inflow periphery tap hole 150 enter charge level 110 from first to go out charge level 120 to first and expand at an angle, reduce the resistance of metal fluid, accelerate the speed flowing into tooth nib 240 after metal fluid enters work strip 220, further minimizing metal fluid flows into centre bore 230 and flows into the speed difference of tooth nib 240, prevent tooth nib root 241 from producing tension, make work strip 220 produce flexural deformation.
As shown in Figure 2 and Figure 3, in the present embodiment, it is minimum that periphery tap hole 150 enters the area of section of charge level first, the area of section of center tap hole 160 is 5/8 of periphery tap hole 150 minimum cross-sectional area, and the area of section of center tap hole 160 also can be 1/2 ~ 3/4 of periphery tap hole 150 minimum cross-sectional area.The area of section of center tap hole 160 is less than periphery tap hole 150 minimum cross-sectional area, the amount of metal that center tap hole 160 is distributed is less than the amount of metal that periphery tap hole 150 distributes, the metal fluid that slows down flows into centre bore 230 speed after entering work strip 220, further minimizing metal fluid flows into centre bore 230 and flows into the speed difference of tooth nib 240, prevent tooth nib root 241 from producing tension, make work strip 220 produce flexural deformation.
As shown in Figure 1, Figure 4 and Figure 5, core rod 180 is formed between periphery tap hole 150, shunting Qiao140He center tap hole 160, cantilever 260 is formed between tooth nib 240, core rod 180 is positioned at the top of cantilevered head 261, cantilever 260 length be positioned at below core rod 180 is 1/4 of cantilever 260 total length, and the jib-length be positioned at below core rod 180 also can be set to 1/4 ~ 1/3 of cantilever 260 total length.Cantilevered head 261 covers core rod 180 times, and when reducing extruding, the normal pressure of metal pair cantilevered head 261, prevents cantilever 260 from being collapsed by pressure, improve the intensity of mould.
In the present embodiment, the degree of depth of cantilever 260 is 50mm, and the degree of depth of cantilever 260 also can be set to 50 ~ 60mm, ensures the smooth depanning of metal fluid, ensures the intensity of work strip 220 simultaneously.
As shown in Figure 5, the land length of tooth nib 240 is reduced to tooth nib tip 242 gradually by centre bore 230, and the land length of tooth nib tip 242 is 0.4mm, and the land length of tooth nib tip 242 also can be set to 0.4 ~ 0.7mm.Because work strip 220 pairs of metal flow play inhibition, increase work strip 220 length and can increase frictional resistance, flowing plus-pressure is increased, force metal to the little partial-flow of resistance.During extruding, the flow behavior of metal is fast near the metal flow of centre bore 230, slack-off gradually away from centre bore 230, therefore the land length of tooth nib 240 is reduced to tooth nib tip 242 gradually by centre bore 230, when making metal flow into tooth nib 240, ensure that first metal is full of tooth nib tip 242, avoid, because metal supply distribution is improper, causing the quality problems that product wall unevenness is even.
In the present embodiment, mould adopts conventional domestic steel to manufacture, and greatly reduces the manufacturing cost of mould.
Below the operation principle of the utility model embodiment is described:
As shown in Figure 1, before work, coordinated by the first seam 170 and the second seam 250, make patrix 100 and counterdie 200 centering, ensure the precision that patrix 100 and counterdie 200 assemble.
During work, metal fluid flows into from the center tap hole 160 and 8 periphery tap holes 150 be evenly arranged entering charge level 110 for the first time, enters bonding container 130, and converges at bonding container 130, metal fluid is after the seam again of bonding container 130, metal fluid uniformity of temperature profile, because metal is constantly assembled, static pressure constantly increases, until extrude first to go out charge level 120, enter second immediately and enter charge level 210, finally flow into work strip 220, metal fluid seam in centre bore 230 and tooth nib 240.
As shown in Figure 1, Figure 2 and Figure 3, bonding container 130 all designs at patrix 100, counterdie 200 adopts and designs without bonding container 130, second of counterdie 200 enters charge level 210 and is designed to plane, and the width of shunting bridge 140 is less than 14mm, patrix 100 is circumferentially evenly arranged 8 periphery tap holes 150, and work strip 220 flow velocity on same pressure circle is agreed, and prevents from fractureing because of flow rate of metal difference between tooth nib 240.The length of periphery tap hole 150 is less than the length of center tap hole 160, the area of section of center tap hole 160 is less than periphery tap hole 150 minimum cross-sectional area, and periphery tap hole 150 is provided with relief 151, budget metals fluid enters the speed of centre bore 230 and tooth nib 240, avoids work strip 220 to produce flexural deformation.As shown in Figure 5, the land length of tooth nib 240 is reduced to tooth nib tip 242 gradually by centre bore 230, ensures that first metal fluid is full of tooth nib tip 242, makes metal supply distributed uniform.As shown in Fig. 2, Fig. 5, cantilevered head 261 covers the core rod 180 times at patrix 100, prevents cantilever 260 from being collapsed by pressure, improves the intensity of mould.Because this mould strength is high, mould can adopt conventional domestic steel to manufacture, and greatly reduces the manufacturing cost of mould.
The above embodiment only have expressed detailed description of the invention of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. a heronsbill aluminium alloy extrusion mould, comprise upper die and lower die, it is characterized in that, described patrix is provided with first and enters charge level, and with described first enter that charge level is oppositely arranged first go out charge level, described first goes out charge level is arranged with bonding container, described first enters charge level is provided with multiple shunting bridge, periphery tap hole is formed between described shunting bridge, described first enters charge level center is provided with center tap hole, described periphery tap hole is all communicated with described bonding container with described center tap hole, the length of described periphery tap hole is less than the length of described center tap hole, described counterdie be provided with to go out with described first that charge level coordinates second enter charge level, described second enters charge level is provided with the work strip be communicated with described bonding container, described work strip is provided with centre bore, and with the center of circle of the described centre bore helically radial multiple tooth nibs arranged that distribute.
2. heronsbill aluminium alloy extrusion mould according to claim 1, is characterized in that, the length 15 ~ 20mm longer than the length of described periphery tap hole of described center tap hole.
3. heronsbill aluminium alloy extrusion mould according to claim 1, is characterized in that, the area of section of described center tap hole is 1/2 ~ 3/4 of described periphery tap hole minimum cross-sectional area.
4. heronsbill aluminium alloy extrusion mould according to claim 1, it is characterized in that, described periphery tap hole is provided with relief, described relief goes out towards described first charge level direction enters charge level gradually center away from described first by described first pan feeding, and the angle that described relief and described first goes out charge level formation is 9 °.
5. heronsbill aluminium alloy extrusion mould according to any one of claim 1 to 4, it is characterized in that, described shunting bridge is radially evenly arranged with described first center entering charge level, form 8 described periphery tap holes circumferentially between described shunting bridge, the width of described shunting bridge is less than 14mm.
6. heronsbill aluminium alloy extrusion mould according to any one of claim 1 to 4, it is characterized in that, described periphery tap hole, between described shunting bridge and described center tap hole, form core rod, the cross section of described core rod is rounded, the radius of described core rod is greater than the radius of described centre bore, cantilever is formed between described tooth nib, the length of described cantilever is L, the radius of described periphery tap hole is R, the radius of described centre bore is r, and meets following relation: R-r=(1/4 ~ 1/3) × L.
7. heronsbill aluminium alloy extrusion mould according to claim 6, is characterized in that, the degree of depth of described cantilever is 50 ~ 60mm.
8. heronsbill aluminium alloy extrusion mould according to any one of claim 1 to 4, it is characterized in that, the land length of described tooth nib is reduced gradually by the end of described centre bore to described tooth nib, and the work strip width of described tooth nib end is 0.4 ~ 0.7mm.
9. heronsbill aluminium alloy extrusion mould according to any one of claim 1 to 4, is characterized in that, the height of described bonding container is 30 ~ 35mm.
10. heronsbill aluminium alloy extrusion mould according to any one of claim 1 to 4, is characterized in that, described first goes out charge level edge is convexly equipped with the first seam, and described second enters charge level is arranged with the second seam coordinated with the first seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516377.8U CN204108013U (en) | 2014-09-09 | 2014-09-09 | Heronsbill aluminium alloy extrusion mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516377.8U CN204108013U (en) | 2014-09-09 | 2014-09-09 | Heronsbill aluminium alloy extrusion mould |
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| Publication Number | Publication Date |
|---|---|
| CN204108013U true CN204108013U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516377.8U Expired - Fee Related CN204108013U (en) | 2014-09-09 | 2014-09-09 | Heronsbill aluminium alloy extrusion mould |
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| Country | Link |
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| CN (1) | CN204108013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923581A (en) * | 2015-07-13 | 2015-09-23 | 广州科技职业技术学院 | Four-hole extrusion mold for aluminum profiles |
-
2014
- 2014-09-09 CN CN201420516377.8U patent/CN204108013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923581A (en) * | 2015-07-13 | 2015-09-23 | 广州科技职业技术学院 | Four-hole extrusion mold for aluminum profiles |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20200909 |