CN110814075A - Machining tool and machining method of aluminum extrusion die - Google Patents
Machining tool and machining method of aluminum extrusion die Download PDFInfo
- Publication number
- CN110814075A CN110814075A CN201911164804.4A CN201911164804A CN110814075A CN 110814075 A CN110814075 A CN 110814075A CN 201911164804 A CN201911164804 A CN 201911164804A CN 110814075 A CN110814075 A CN 110814075A
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- China
- Prior art keywords
- section
- cutter
- blank
- cutter body
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003754 machining Methods 0.000 title claims description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000003801 milling Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 15
- 239000010937 tungsten Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000003672 processing method Methods 0.000 claims abstract 2
- 229910000746 Structural steel Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010892 electric spark Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B21C25/025—Selection of materials therefor
-
- 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
- B21C25/10—Making tools by operations not covered by a single other subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a processing cutter, comprising: the cutter comprises a cutter body, a cutter body and a cutter body, wherein the cutter body comprises a first section in a circular truncated cone shape and a second section in a cylindrical shape, and the larger end part of the first section is connected with the second section; the first section is made of tungsten steel. A processing method of an aluminum extrusion die comprises the following steps: preparing a blank; milling the blank by a milling cutter to process a first-stage blank cutter, a second-stage blank cutter, a third-stage blank cutter and a feeding chamber; die holes are cut by wire cutting. According to the technical scheme, the cutter body mills the second-stage blank cutter and the third-stage blank cutter through the first section, and the second section is used as a support, so that the bending strength of the cutter body can be improved, and the occurrence of the fracture phenomenon of the cutter body during milling is reduced; the tungsten steel material is adopted in the first section, so that the service life of the first section can be prolonged, and the overall strength of the cutter body can be increased.
Description
Technical Field
The invention relates to the technical field of extrusion dies, in particular to a machining tool and a machining method of an aluminum extrusion die.
Background
Referring to fig. 2 and 3, in the process of processing and manufacturing the aluminum extrusion die, the die 4' for extruding the special-shaped aluminum profile comprises a first-stage blank cutter 1', a second-stage blank cutter 2', a third-stage blank cutter 3' and a feeding chamber 6 '; the first-stage blank cutter 1 'is milled by a CNC (computerized numerical control) machining center machine tool, and the positions of the second-stage blank cutter 2' and the third-stage blank cutter 3 'are deep and narrow, so that the second-stage blank cutter 2' and the third-stage blank cutter 3 'of the special-shaped aluminum profile extrusion die cannot be milled by a conventional cutter of the CNC machining center, the second-stage blank cutter 2' and the third-stage blank cutter 3 'are machined by electric spark discharge, and in order to perform the electric spark discharge machining, a die hole 5' is cut by a slow-moving wire; the processing efficiency of the electric spark discharge processing is low, the processing time of the whole die is half, the materials used for the electrodes of the second-level blank cutter 2 'and the third-level blank cutter 3' are red copper, the electrode forming needs a wire cutting machine and an engraving and milling machine to process, and the manufacturing cost of the electrodes is high, so that the adoption of the electric spark processing of the second-level blank cutter 2 'and the third-level blank cutter 3' always restricts the bottleneck of improving the production efficiency of the aluminum extrusion special-shaped die and reducing the production cost of the aluminum extrusion special-shaped die.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the prior art, and provides a machining tool and a machining method of an aluminum extrusion die, which can simplify the machining process of the aluminum extrusion special-shaped die and improve the production efficiency.
According to a first aspect of the present invention, there is provided a machining tool comprising: the cutter comprises a cutter body, a cutter body and a cutter body, wherein the cutter body comprises a first section in a circular truncated cone shape and a second section in a cylindrical shape, and the larger end part of the first section is connected with the second section; the first section is made of tungsten steel.
In some embodiments, the first section and the second section are integrally formed.
In some embodiments, the second section is made of structural steel, and the first section and the second section are fixed by welding.
In some technical schemes, the tool also comprises a tool handle, wherein the tool handle is provided with a connecting part in a round table shape, the end part of the connecting part is provided with a mounting hole, and the second section is fixed in the mounting hole through hot embedding.
In certain embodiments, the first section has a minimum cross-sectional diameter of 1.9mm to 2.1mm and the second section has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm.
Any one of the technical schemes at least has the following beneficial effects: in the technical scheme, the second-stage blank cutter and the third-stage blank cutter are milled by the cutter body through the first section, and the second section is used as a support, so that the bending strength of the cutter body can be improved, and the occurrence of the fracture phenomenon of the cutter body during milling is reduced; the tungsten steel material is adopted in the first section, so that the service life of the first section can be prolonged, and the overall strength of the cutter body can be increased.
According to a second aspect of the present invention, there is provided a method of processing an aluminum extrusion die, comprising the steps of:
preparing a blank;
milling the blank by a milling cutter to process a first-stage blank cutter, a second-stage blank cutter, a third-stage blank cutter and a feeding chamber;
die holes are cut by wire cutting.
In certain embodiments, a milling cutter for machining secondary and tertiary blank cutters includes: the cutter comprises a cutter body, a cutter body and a cutter body, wherein the cutter body comprises a first section in a circular truncated cone shape and a second section in a cylindrical shape, and the larger end part of the first section is connected with the second section; the first section is made of tungsten steel.
In some embodiments, the first section and the second section are integrally formed.
In some embodiments, the second section is made of structural steel, and the first section and the second section are fixed by welding.
In some technical schemes, the tool also comprises a tool handle, wherein the tool handle is provided with a connecting part in a round table shape, the end part of the connecting part is provided with a mounting hole, and the second section is fixed in the mounting hole through hot embedding.
In certain embodiments, the first section has a minimum cross-sectional diameter of 1.9mm to 2.1mm and the second section has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm.
Any one of the technical schemes at least has the following beneficial effects: one-level blank, second grade blank, tertiary blank and feed space are directly processed out through milling cutter, and traditional spark-erosion discharge machining work efficiency promotes by a wide margin relatively to can reduce the degree of depth through the wire-electrode cutting processing play nib, and then practice thrift the electrode copper line that the wire-electrode cutting used, improve work efficiency simultaneously.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a schematic view of an embodiment of a tool body according to the present invention.
FIG. 2 is a schematic view of an aluminum extrusion die;
fig. 3 is a side view of fig. 2.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a machining tool includes: the cutting tool comprises a cutting tool body, wherein the cutting tool body comprises a first section 1 in a circular truncated cone shape and a second section 2 in a cylindrical shape, and the larger end part of the first section 1 is connected with the second section 2; the first section 1 is made of tungsten steel. In the embodiment, the second-stage blank cutter and the third-stage blank cutter are milled by the cutter body through the first section 1, and the second section 2 is used as a support, so that the bending strength of the cutter body can be improved (a cylindrical mode is adopted relative to the first section 1), and the occurrence of the fracture phenomenon of the cutter body during milling is reduced; the tungsten steel material adopted by the first section 1 can prolong the service life of the first section 1 and increase the overall strength of the cutter body.
As shown in FIG. 1, in some embodiments, the first section 1 and the second section 2 are integrally formed, and made of tungsten steel, so that the structural strength is high and the service life is long. It will also be understood by those skilled in the art that other embodiments can be used for the first section 1 and the second section 2, for example, the second section 2 is made of structural steel material, and the first section 1 and the second section 2 are fixed by welding for the second section 2 to participate in cutting, so that the structural steel material is enough to support the first section 1, the amount of tungsten steel material can be reduced, and the cost can be reduced.
As shown in fig. 1, in some embodiments, the wire cutting tool further includes a tool shank 3, a connecting portion 4 in a circular truncated cone shape is disposed on the tool shank 3, a mounting hole is disposed at an end of the connecting portion 4, the second section 2 is fixed in the mounting hole by hot-setting, the tool shank 3 is heated by wire induction heating, so that an inner diameter of the mounting hole is increased, the second section 2 is placed into the mounting hole, and when the tool shank 3 is cooled to a normal temperature, the second section 2 and the mounting hole are tightly connected.
As shown in FIG. 1, in certain embodiments, the first section 1 has a minimum cross-sectional diameter of 1.9mm to 2.1mm and the second section 2 has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm. The cutter body of the embodiment is mainly applied to an aluminum extrusion die with the narrowest dimension of the three-level blank cutter being 3-4 mm, and has the advantages of high working efficiency and long service life.
Referring to fig. 1 to 3, according to a second aspect of the present invention, there is provided a method of processing an aluminum extrusion die, including the steps of: preparing a blank; milling the blank by a milling cutter to process a first-stage blank cutter, a second-stage blank cutter, a third-stage blank cutter and a feeding chamber; die holes are cut by wire cutting. In the embodiment, the first-stage blank cutter, the second-stage blank cutter, the third-stage blank cutter and the feeding chamber are directly machined by the milling cutter, so that the working efficiency is greatly improved compared with that of the traditional electric spark discharge machining, and the depth of the die hole machined by the wire cutting can be reduced (in the traditional electric spark discharge machining mode, the die hole is machined by the wire cutting firstly, and the depth of the die hole to be machined is the sum of the depth of the second-stage blank cutter, the third-stage blank cutter and the depth of the die hole), only the depth of the die hole is required to be machined, electrode copper wires for wire cutting are saved, and the working efficiency is improved; after the first-stage blank cutter, the second-stage blank cutter, the third-stage blank cutter and the feeding chamber are added, the die is subjected to heat treatment, internal stress is eliminated, and the service life is prolonged.
As shown in fig. 1, in some embodiments, a milling cutter for machining secondary and tertiary blank cutters includes: the cutting tool comprises a cutting tool body, wherein the cutting tool body comprises a first section 1 in a circular truncated cone shape and a second section 2 in a cylindrical shape, and the larger end part of the first section 1 is connected with the second section 2; the first section 1 is made of tungsten steel. In the embodiment, the second-stage blank cutter and the third-stage blank cutter are milled by the cutter body through the first section 1, and the second section 2 is used as a support, so that the bending strength of the cutter body can be improved (the first section 1 in the conventional cutter adopts a cylindrical mode), and the occurrence of the fracture phenomenon of the cutter body during milling is reduced; the tungsten steel material adopted by the first section 1 can prolong the service life of the first section 1 and increase the overall strength of the cutter body.
As shown in FIG. 1, in some embodiments, the first section 1 and the second section 2 are integrally formed, and made of tungsten steel, so that the structural strength is high and the service life is long. It will also be understood by those skilled in the art that other embodiments can be used for the first section 1 and the second section 2, for example, the second section 2 is made of structural steel material, and the first section 1 and the second section 2 are fixed by welding for the second section 2 to participate in cutting, so that the structural steel material is enough to support the first section 1, the amount of tungsten steel material can be reduced, and the cost can be reduced.
As shown in fig. 1, in some embodiments, the wire cutting tool further includes a tool shank 3, a connecting portion 4 in a circular truncated cone shape is disposed on the tool shank 3, a mounting hole is disposed at an end of the connecting portion 4, the second section 2 is fixed in the mounting hole by hot-setting, the tool shank 3 is heated by wire induction heating, so that an inner diameter of the mounting hole is increased, the second section 2 is placed into the mounting hole, and when the tool shank 3 is cooled to a normal temperature, the second section 2 and the mounting hole are tightly connected.
As shown in FIG. 1, in certain embodiments, the first section 1 has a minimum cross-sectional diameter of 1.9mm to 2.1mm and the second section 2 has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm. The cutter body of the embodiment is mainly applied to an aluminum extrusion die with the narrowest dimension of the three-level blank cutter being 3-4 mm, and has the advantages of high working efficiency and long service life.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A machine tool, comprising: the cutter comprises a cutter body, a cutter body and a cutter body, wherein the cutter body comprises a first section in a circular truncated cone shape and a second section in a cylindrical shape, and the larger end part of the first section is connected with the second section; the first section is made of tungsten steel.
2. The machine tool of claim 1 wherein said first segment and said second segment are integrally formed.
3. The machine tool of claim 1 wherein said second section is constructed of a structural steel material and said first section and said second section are secured by welding.
4. The machining tool according to claim 1, further comprising a shank, wherein the shank is provided with a connecting portion in a circular truncated cone shape, a mounting hole is provided at an end of the connecting portion, and the second section is fixed in the mounting hole by thermal insert.
5. The machine tool of claim 4 wherein the first section has a minimum cross-sectional diameter of 1.9mm to 2.1mm and the second section has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm.
6. The processing method of the aluminum extrusion die is characterized by comprising the following steps of:
preparing a blank;
milling the blank by a milling cutter to process a first-stage blank cutter, a second-stage blank cutter, a third-stage blank cutter and a feeding chamber;
die holes are cut by wire cutting.
7. The method of claim 6, wherein the milling cutter for machining the secondary blank cutter and the tertiary blank cutter comprises a cutter body including a first segment having a circular truncated cone shape and a second segment having a cylindrical shape, and a larger end of the first segment is connected to the second segment; the first section is made of tungsten steel.
8. The method of manufacturing an aluminum extrusion die as set forth in claim 7, wherein said second section is made of a structural steel material, and said first section and said second section are fixed by welding.
9. The method for manufacturing an aluminum extrusion die as recited in claim 7, further comprising a shank, wherein the shank is provided with a connecting portion in a circular truncated cone shape, an end portion of the connecting portion is provided with a mounting hole, and the second section is fixed in the mounting hole by thermal insert.
10. The method of claim 9, wherein the first section has a minimum cross-sectional diameter of 1.9mm to 2.1mm, and the second section has a diameter of 2.9mm to 3.1 mm; the diameter of the mounting hole is 2.85mm-3.05 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164804.4A CN110814075A (en) | 2019-11-25 | 2019-11-25 | Machining tool and machining method of aluminum extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164804.4A CN110814075A (en) | 2019-11-25 | 2019-11-25 | Machining tool and machining method of aluminum extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814075A true CN110814075A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911164804.4A Pending CN110814075A (en) | 2019-11-25 | 2019-11-25 | Machining tool and machining method of aluminum extrusion die |
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| CN (1) | CN110814075A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04111918A (en) * | 1990-09-03 | 1992-04-13 | Toyama Keikinzoku Kogyo Kk | Dies for extruding light metal |
| CN202845814U (en) * | 2012-09-23 | 2013-04-03 | 常州市恒祥泵业工具制造有限公司 | Tungsten steel molding knife |
| CN103252376A (en) * | 2013-04-22 | 2013-08-21 | 福建省南平铝业有限公司 | Double-mold reshaping mold for extrusion metal and preparation method thereof |
| CN104551176A (en) * | 2013-10-29 | 2015-04-29 | 常州市海力工具有限公司 | Trapezoidal stepped hole forming milling cutter |
| CN105562796A (en) * | 2016-03-18 | 2016-05-11 | 沈阳飞机工业（集团）有限公司 | Step-type layered milling method for narrow-deep slot |
| CN107971360A (en) * | 2017-12-22 | 2018-05-01 | 福建省南平铝业股份有限公司 | A kind of hot extrusion aluminium section die |
| CN208743779U (en) * | 2018-06-12 | 2019-04-16 | 江苏俊云机械科技有限公司 | A kind of slotting cutter |
| CN211588008U (en) * | 2019-11-25 | 2020-09-29 | 广东和胜工业铝材股份有限公司 | Machining cutter |
-
2019
- 2019-11-25 CN CN201911164804.4A patent/CN110814075A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04111918A (en) * | 1990-09-03 | 1992-04-13 | Toyama Keikinzoku Kogyo Kk | Dies for extruding light metal |
| CN202845814U (en) * | 2012-09-23 | 2013-04-03 | 常州市恒祥泵业工具制造有限公司 | Tungsten steel molding knife |
| CN103252376A (en) * | 2013-04-22 | 2013-08-21 | 福建省南平铝业有限公司 | Double-mold reshaping mold for extrusion metal and preparation method thereof |
| CN104551176A (en) * | 2013-10-29 | 2015-04-29 | 常州市海力工具有限公司 | Trapezoidal stepped hole forming milling cutter |
| CN105562796A (en) * | 2016-03-18 | 2016-05-11 | 沈阳飞机工业（集团）有限公司 | Step-type layered milling method for narrow-deep slot |
| CN107971360A (en) * | 2017-12-22 | 2018-05-01 | 福建省南平铝业股份有限公司 | A kind of hot extrusion aluminium section die |
| CN208743779U (en) * | 2018-06-12 | 2019-04-16 | 江苏俊云机械科技有限公司 | A kind of slotting cutter |
| CN211588008U (en) * | 2019-11-25 | 2020-09-29 | 广东和胜工业铝材股份有限公司 | Machining cutter |
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