CN110090873B - Extrusion forming device for aluminum part stamping parts - Google Patents
Extrusion forming device for aluminum part stamping parts Download PDFInfo
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- CN110090873B CN110090873B CN201910440977.8A CN201910440977A CN110090873B CN 110090873 B CN110090873 B CN 110090873B CN 201910440977 A CN201910440977 A CN 201910440977A CN 110090873 B CN110090873 B CN 110090873B
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- die
- lower die
- punch
- hole
- cylindrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses an extrusion forming device of an aluminum part stamping part, which comprises supporting legs, a lower die holder arranged on the supporting legs, an upper die holder, a guide pillar connecting the upper die holder and the lower die holder, a guide sleeve arranged outside the guide pillar and a lower die sleeve arranged on the lower die holder, wherein a female die is arranged in the lower die sleeve, a lower die is arranged in the female die, a die cavity is formed by the lower die and the female die, a punch head penetrates through the upper die holder, an upper die is fixed on the punch head, the upper die is matched with the die cavity, a punch head hole matched with the punch head is arranged in the lower die, and a lifting column is; the extrusion forming device can rapidly form nut semi-finished products of various types, does not generate waste materials, and reduces the cost.
Description
Technical Field
The invention belongs to the field of punch forming, and particularly relates to an extrusion forming device for an aluminum part stamping part.
Background
Metal extrusion is an important method for pressure processing by utilizing the principle of metal plastic forming, and metal ingots are processed into sections such as pipes, rods, T-shaped sections, L-shaped sections and the like at one time through extrusion. The metal extruder is the most main equipment for realizing metal extrusion processing, and has the advantages of less waste material generation, quick forming, capability of forming metal parts with complex outer surface structures, and the like.
In the prior art, certain leftover waste materials can be generated during nut production for a long time in the using process of a punching machine, so that the cost of raw materials is high, and stamping parts generally have more than 30% of waste materials according to incomplete statistics. The invention provides extrusion forming equipment for stamping parts aiming at the defects, and the extrusion technology is adopted after the technology is used, so that the use amount of leftover materials can be reduced, no waste is generated, the processing speed is greatly increased, and the cost is obviously reduced.
Disclosure of Invention
The invention aims to provide an extrusion molding device for an aluminum stamping part, which is used for molding fasteners such as nuts and the like, is quick in molding and does not have waste materials.
The invention relates to an extrusion forming device of an aluminum part stamping part, which comprises supporting legs, a lower die holder arranged on the supporting legs, an upper die holder, a guide pillar connecting the upper die holder and the lower die holder, a guide sleeve arranged outside the guide pillar and a lower die sleeve arranged on the lower die holder, wherein a female die is arranged in the lower die sleeve, a lower die is arranged in the female die, the lower die and the female die form a die cavity, a punch head penetrates through the upper die holder, an upper die is fixed on the punch head, the upper die is adaptive to the die cavity, a punch head hole adaptive to the punch head is arranged in the lower die, and a lifting column is arranged in the punch head hole.
Preferably, the lower die sleeve is provided with a cylindrical groove, the outer diameter of the female die is matched with the inner diameter of the cylindrical groove and coaxially arranged in the cylindrical groove, the female die is provided with a cylindrical cavity, the outer diameter of the lower die is matched with the inner diameter of the cylindrical cavity and coaxially arranged in the cylindrical cavity, and the outer diameter of the lifting column is matched with the aperture of the punch hole and coaxially arranged with the punch hole.
Preferably, the upper die comprises a cylindrical plate, the diameter of the cylindrical plate is adapted to the diameter of the die cavity, the cylindrical plate is arranged coaxially with the punch, and the axis of the punch coincides with the axis of the die cavity.
Preferably, a cylindrical hole with two coincident axes is formed in the inner wall of the punch hole, the axis of the cylindrical hole is perpendicular to the axis of the punch hole, a spring and a limiting column are sequentially arranged in the cylindrical hole from inside to outside, a vertical hole is formed in the axial position of the upper end face of the lifting column, the spring is arranged at the bottom of the vertical hole, a transverse through hole penetrating through the vertical hole is formed in the side face of the lifting column along the radial direction of the lifting column, two sections of moving columns are arranged in the transverse through hole, a column dividing pressure head is arranged in the vertical hole and is arranged between the two moving columns, and the bottom of the column dividing pressure head is conical.
Preferably, the bottom of the punch is provided with a conical shape.
Preferably, the extrusion device still includes material loading positioner and discharge apparatus, material loading positioner sets up two material loading limiting plates in the die case outside down including the symmetry, material loading limiting plate position is higher than the die upper surface, and material loading limiting plate rear portion is connected with the material loading cylinder, discharge apparatus includes lifting push rod, the push pedal and stock guide of unloading, lifting push rod uses the lower mould axis to be provided with three as the central symmetry of axle, and lifting push rod passes die holder, lower die case and lower mould, and the lifting push rod upper surface flushes with the lower mould upper surface, and the lower extreme is connected with the lift cylinder, the push pedal position of unloading is higher than the die upper surface and sets up in the die case outside down, and the push pedal rear portion of unloading is connected with the cylinder of unloading, the stock guide sets up and extends outward by the die case surface with the push pedal of unloading relatively.
The technical scheme of the invention has the beneficial effects that:
the extrusion forming device for the aluminum part stamping part, provided by the technical scheme of the invention, can be used for quickly forming nuts of various types, no waste is generated, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural view of an extrusion molding apparatus for aluminum stamping parts according to the present invention,
3 figure 3 2 3 is 3 a 3 top 3 view 3 a 3- 3 a 3 of 3 figure 3 1 3, 3
Figure 3 is an enlarged view at B in figure 1,
FIG. 4 is a state diagram of an extrusion molding device for aluminum stamping parts according to the present invention after loading,
figure 5 is a top view of C-C of figure 4,
FIG. 6 is a schematic view of an extrusion molding apparatus for aluminum stamping parts according to the present invention after extrusion molding,
figure 7 is a top view D-D of figure 6,
fig. 8 is an enlarged view of fig. 6 at E.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
As shown in fig. 1 to 3, an extrusion molding device for an aluminum stamping part comprises a supporting foot 1, a lower die holder 2 arranged on the supporting foot 1, an upper die holder 7, a guide pillar 3 connecting the upper die holder 7 with the lower die holder 2, a guide sleeve 4 arranged outside the guide pillar 3, and a lower die sleeve 10 arranged on the lower die holder 2, wherein a female die 11 is arranged in the lower die sleeve 10, a lower die 12 is arranged in the female die 11, the lower die 12 and the female die 11 form a die cavity 16, a punch 8 penetrates through the upper die holder 7, an upper die 9 is fixed on the punch 8, the upper die 9 is adapted to the die cavity 16, a punch hole adapted to the punch 8 is arranged in the lower die 12, and an ascending and descending pillar 13 is arranged in the punch hole; by adopting the device, the blank is placed in the die cavity 16, the punch 8 is used for extruding the blank downwards and outwards, and the cylindrical blank is extruded into the shape of the nut.
As shown in fig. 1 to 3 and 8, a cylindrical groove is formed in the lower die sleeve 10, the outer diameter of the female die 11 is adapted to the inner diameter of the cylindrical groove and is coaxially arranged in the cylindrical groove, a cylindrical cavity is formed in the female die 11, the outer diameter of the lower die 12 is adapted to the inner diameter of the cylindrical cavity and is coaxially arranged in the cylindrical cavity, and the outer diameter of the lifting column 13 is adapted to the aperture of the punch hole 18 and is coaxially arranged with the same; the lower die sleeve 10, the female die 11, the lower die 12, the punch hole 18 and the lifting column 13 are in clearance fit, so that the components can be conveniently and quickly mounted, dismounted and matched.
As shown in fig. 1, the upper die 9 includes a cylindrical plate, the diameter of the cylindrical plate is adapted to the diameter of the die cavity 16, the cylindrical plate is coaxially disposed with the punch 8, the axis of the punch 8 coincides with the axis of the die cavity 16, and the upper die 9 and the punch 8 are in interference fit to keep the upper die 9 and the punch 8 moving synchronously.
As shown in fig. 1 to 3 and 8, a cylindrical hole 29 with two coincident axes is arranged on the inner wall of the punch hole 18, the axial line of the cylindrical hole 29 is vertical to the axial line of the punch hole 18, a spring 19 and a limit column 20 are sequentially arranged in the cylindrical hole 29 from inside to outside, a vertical hole 24 is arranged on the axial line position of the upper end surface of the lifting column 13, a spring 22 is arranged at the bottom of the vertical hole 24, the lifting column 13 is provided at its side surface in the radial direction with a lateral through-hole 23 passing through a vertical hole 24, two sections of moving columns 21 are arranged in the transverse through hole 23, a column separation pressure head 25 is arranged in the vertical hole 24, the column separating pressure head 25 is arranged between the two movable columns 21, the bottom of the column separating pressure head 25 is arranged to be conical, the bottom of the punch 8 is conical, and the front part of the conical tip of the punch 8 is adaptive to the shape of the pillar separating press head 25 and is adaptive to the vertical hole 24; the technical characteristics and the design of the technical scheme are that on one hand, the bottom of the blank is fixed and supported, on the other hand, the punch can continuously move downwards after penetrating through the blank, so that the blank is completely extruded, and meanwhile, a space capable of being accommodated is provided for the punch 8, so that the conical part of the punch can completely penetrate through the blank; the arrangement of the column separating press head 25, the limiting column 20 and the like is mainly used for realizing the fixation of the bottom of the blank by the lifting column 13 and the lower die 12 which are integrated when the punch does not penetrate through the blank, and avoiding the bottom of the blank from deforming downwards due to the action of the extrusion force applied downwards by the punch.
As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the extrusion molding apparatus further comprises a feeding positioning device and a discharging device, the feeding positioning device comprises two feeding limiting plates 6 which are symmetrically arranged at the outer side of the lower die sleeve 10, the position of the feeding limit plate 6 is higher than the upper surface of the female die 11, the rear part of the feeding limit plate 6 is connected with a feeding cylinder 5, the discharging device comprises three lifting push rods 14, a discharging push plate 26 and a material guide plate 28, the lifting push rods 14 are symmetrically arranged by taking the axis of the lower die 12 as the axis center, the lifting push rods 14 penetrate through the lower die base 2, the lower die sleeve 10 and the lower die 12, the upper surface of each lifting push rod 14 is flush with the upper surface of the lower die 12, the lower end of each lifting push rod is connected with a lifting cylinder 15, the discharging push plate 26 is higher than the upper surface of the female die 11 and is arranged outside the lower die sleeve 10, the rear part of the discharging push plate 26 is connected with a discharging cylinder 27, the material guide plate 28 is arranged opposite to the discharging push plate 26 and extends outwards from the outer surface of the lower die sleeve 10; the two feeding limit plates 6 limit the fed blank 100 from two sides, the axis of the fed blank 100 is ensured to be coincident with the axis of the female die 11, the quality of an extrusion-molded product is ensured, the lifting push rod 14 pushes the molded finished product 200 out of the die cavity 16, and the discharging push plate 26 and the material guide plate 28 are used for pushing the finished product out of the device, so that discharging is realized.
As shown in fig. 4, 5, 6, 7 and 8, the extrusion molding apparatus for aluminum stamping parts according to the present invention operates by first placing a blank 100 to be extruded into a die cavity 16. And starting the two feeding air cylinders 5, so that the two feeding limit plates 6 position the blank from two sides of the blank 100, and ensuring that the axis of the blank 100 is coincident with the axis of the die cavity 16. The blanks of one type correspond to one set of feeding limiting plate 6, the side surface of the feeding limiting plate 6 is set to be in an arc shape matched with the side surface of the blank, and the positioning of two side arc surfaces is realized instead of two points or two lines, so that the positioning is more accurate.
Then, the feeding limit plate 6 is withdrawn, and the press connected with the punch 8 is started, so that the press drives the punch 8 and the upper die 9 mounted on the punch 8 to move downwards. The conical part of the front part of the punch 8 first effects a pressing of the blank 100 downwards and outwards. After the punch 8 penetrates through the blank 100, the punch 8 is in contact with the column dividing press head 25, the column dividing press head 25 is pressed downwards, the column dividing press head 25 separates two sections of moving columns 21 arranged on two sides of the lower portion of the column dividing press head, and the two sections of moving columns 21 respectively move towards two sides and push the limiting columns 20. After the limiting column 20 completely moves into the cylindrical hole 29, the punch 8 pushes the lifting column 13 to move downwards through the column separating pressure head 25. At this time, the punch 8 enters the punch hole 18, after the conical part in front of the punch 8 completely enters the punch hole 18, the lower surface of the upper die 9 enters the die cavity 16 and compresses the finished product 200, and after the shoulder of the upper die 9 contacts the female die 11, the punch 8 stops downward, and the extrusion molding is completed. The limiting column 20 in the original state spans the cylindrical hole 29 and the transverse through hole 23, so that the limiting of the lifting column 13 is realized, the lifting column 13 is prevented from moving downwards under the pressure of the blank, the blank is prevented from deforming towards the punch hole 18, and the shape and the quality of the finished product 200 are ensured.
Finally, the press machine and the punch 8 are reset, the lifting cylinder 15 is started, the lifting cylinder 15 pushes the lifting push rod 14 to push the finished product 200 out of the die cavity 16, and then the finished product 200 is descended under the action of the discharging cylinder 27 and the discharging push plate 26 to be pushed out of the material guide plate 28, so that discharging is completed.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.
Claims (5)
1. An extrusion forming device for aluminum part stamping parts comprises supporting legs, a lower die holder arranged on the supporting legs, an upper die holder, a guide pillar connecting the upper die holder with the lower die holder, a guide sleeve arranged outside the guide pillar and a lower die sleeve arranged on the lower die holder, and is characterized in that a female die is arranged in the lower die sleeve, a lower die is arranged in the female die, the lower die and the female die form a die cavity, a punch passes through the upper die holder, an upper die is fixed on the punch, the upper die is adaptive to the die cavity, a punch hole adaptive to the punch is arranged in the lower die, and a lifting column is arranged in the punch hole;
the punch is characterized in that a cylindrical hole with two coincident axes is formed in the inner wall of the punch hole, the axis of the cylindrical hole is perpendicular to the axis of the punch hole, a spring and a limiting column are sequentially arranged in the cylindrical hole from inside to outside, a vertical hole is formed in the axial position of the upper end face of the lifting column, the spring is arranged at the bottom of the vertical hole, a transverse through hole which penetrates through the vertical hole is formed in the side face of the lifting column in the radial direction of the lifting column, two sections of moving columns are arranged in the transverse through hole, a column dividing pressure head is arranged in the vertical hole and is arranged between the two moving columns, and the bottom of the column dividing pressure head is conical.
2. An extrusion molding apparatus as claimed in claim 1, wherein the lower die sleeve has a cylindrical groove, the outer diameter of the female die is adapted to the inner diameter of the cylindrical groove and coaxially disposed in the cylindrical groove, the female die has a cylindrical cavity, the outer diameter of the lower die is adapted to the inner diameter of the cylindrical cavity and coaxially disposed in the cylindrical cavity, and the outer diameter of the lifting column is adapted to the diameter of the punch hole and coaxially disposed therewith.
3. An extrusion molding apparatus as claimed in claim 1, wherein said upper die includes a cylindrical plate having a diameter corresponding to the diameter of the die cavity, the cylindrical plate being disposed coaxially with the punch, the axis of the punch being coincident with the axis of the die cavity.
4. An extrusion molding apparatus as claimed in claim 1, wherein said punch base is tapered.
5. An extrusion molding apparatus as claimed in claim 1, wherein, the extrusion forming device also comprises a feeding positioning device and a discharging device, the feeding positioning device comprises two feeding limiting plates which are symmetrically arranged at the outer side of the lower die sleeve, the feeding limit plate is higher than the upper surface of the female die, the rear part of the feeding limit plate is connected with a feeding cylinder, the discharging device comprises three lifting push rods, a discharging push plate and a material guide plate, the three lifting push rods are symmetrically arranged by taking the axis of the lower die as an axis center, the lifting push rods penetrate through the lower die base, the lower die sleeve and the lower die, the upper surfaces of the lifting push rods are flush with the upper surface of the lower die, the lower ends of the lifting push rods are connected with a lifting cylinder, the discharging push plate is higher than the upper surface of the female die and is arranged on the outer side of the lower die sleeve, the rear part of the discharging push plate is connected with a discharging cylinder, and the material guide plate and the discharging push plate are arranged oppositely and extend outwards from the outer surface of the lower die sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440977.8A CN110090873B (en) | 2019-05-24 | 2019-05-24 | Extrusion forming device for aluminum part stamping parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440977.8A CN110090873B (en) | 2019-05-24 | 2019-05-24 | Extrusion forming device for aluminum part stamping parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090873A CN110090873A (en) | 2019-08-06 |
| CN110090873B true CN110090873B (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910440977.8A Active CN110090873B (en) | 2019-05-24 | 2019-05-24 | Extrusion forming device for aluminum part stamping parts |
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| Country | Link |
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| CN (1) | CN110090873B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764512Y (en) * | 2004-12-22 | 2006-03-15 | 郑州机械研究所 | Extrusion mold for inside and outside toothed member |
| CN1986096A (en) * | 2006-11-10 | 2007-06-27 | 钱宗富 | Extrusion process and cold extruder for extruding rod material into pipe |
| CN201008901Y (en) * | 2007-03-30 | 2008-01-23 | 南京工业职业技术学院 | Primary molding mould with special-shaped hole stepped gear wheel |
| CN103785701A (en) * | 2014-02-19 | 2014-05-14 | 盐城工业职业技术学院 | Warm extrusion die of switch panel |
| CN105665712A (en) * | 2016-04-11 | 2016-06-15 | 哈尔滨建成集团有限公司 | Bidirectional warm-hot extrusion mold |
| CN206613933U (en) * | 2017-04-18 | 2017-11-07 | 邵东县玉柴曲轴制造有限公司 | Convenient mould is fast cleared up in a kind of discharging |
| CN107838214A (en) * | 2017-11-24 | 2018-03-27 | 芜湖禾田汽车工业有限公司 | It is easy to the auto parts and components cold extrusion die of pickup |
-
2019
- 2019-05-24 CN CN201910440977.8A patent/CN110090873B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764512Y (en) * | 2004-12-22 | 2006-03-15 | 郑州机械研究所 | Extrusion mold for inside and outside toothed member |
| CN1986096A (en) * | 2006-11-10 | 2007-06-27 | 钱宗富 | Extrusion process and cold extruder for extruding rod material into pipe |
| CN201008901Y (en) * | 2007-03-30 | 2008-01-23 | 南京工业职业技术学院 | Primary molding mould with special-shaped hole stepped gear wheel |
| CN103785701A (en) * | 2014-02-19 | 2014-05-14 | 盐城工业职业技术学院 | Warm extrusion die of switch panel |
| CN105665712A (en) * | 2016-04-11 | 2016-06-15 | 哈尔滨建成集团有限公司 | Bidirectional warm-hot extrusion mold |
| CN206613933U (en) * | 2017-04-18 | 2017-11-07 | 邵东县玉柴曲轴制造有限公司 | Convenient mould is fast cleared up in a kind of discharging |
| CN107838214A (en) * | 2017-11-24 | 2018-03-27 | 芜湖禾田汽车工业有限公司 | It is easy to the auto parts and components cold extrusion die of pickup |
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| Publication number | Publication date |
|---|---|
| CN110090873A (en) | 2019-08-06 |
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