CN110976546A - Thermal treatment post-processing technology of extrusion die - Google Patents
Thermal treatment post-processing technology of extrusion die Download PDFInfo
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- CN110976546A CN110976546A CN201911189412.3A CN201911189412A CN110976546A CN 110976546 A CN110976546 A CN 110976546A CN 201911189412 A CN201911189412 A CN 201911189412A CN 110976546 A CN110976546 A CN 110976546A
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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
- B21C25/10—Making tools by operations not covered by a single other subclass
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- Extrusion Of Metal (AREA)
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Abstract
The invention discloses a heat treatment post-processing technology of an extrusion die, which is characterized by comprising the following steps of: a. roughly milling an upper die and a lower die; b. carrying out heat treatment on the die; c. integrating and processing an upper die; d. integrating and processing the lower die; e. and (6) polishing and deburring. The invention shortens the processing procedure and greatly improves the production efficiency by integrating the processing technology after the heat treatment of the die.
Description
Technical Field
The invention relates to the field of die processing, in particular to a post-heat treatment processing technology of an extrusion die.
Background
In the prior art, an extrusion die generally processes an upper die and a lower die according to the sequence of rough milling of the upper die and the lower die, heat treatment, finish milling of the upper die and the lower die and polishing, and the finish milling of the upper die and the lower die and the polishing process after the heat treatment usually comprise finish machining, tool grinding and polishing of a male working tape, drilling of a pin hole, polishing of a plane, tool grinding and finish grinding, manual milling of a welding chamber black skin, upper and lower blank cutters, polishing of the welding chamber black skin and the like, and the processes of turning, milling, grinding, drilling and the like are required to be combined for processing, so that the process is more complicated, and the production efficiency is not high.
Disclosure of Invention
The invention aims to provide a post-heat treatment processing technology of an extrusion die aiming at the defects in the prior art.
In order to achieve the purpose of the invention, the invention adopts the following technical scheme:
a heat treatment post-processing technology of an extrusion die is characterized by comprising the following steps:
a. roughly milling an upper die and a lower die;
b. carrying out heat treatment on the die;
c. integrating and processing an upper die;
d. integrating and processing the lower die;
e. and (6) polishing and deburring.
In addition, the invention also comprises the following auxiliary technical scheme:
in the step a, the upper die and the lower die are roughly milled to process the required die structure and reserve allowance.
In the step b, the heat treatment process of the die comprises vacuum quenching and multiple tempering.
In the step c, the upper die integration processing comprises the following procedures: finish milling a male head surface, finish milling an assembly spigot, finish milling a pin hole and finish milling a lower blank cutter, and synchronously completing one-time clamping through a CNC (computer numerical control) machining center.
In the step d, the lower die integration processing comprises the following procedures: finish milling assembly spigot and spigot surface, finish milling pin hole, finish milling welding chamber bottom and welding chamber side wall, and synchronously completing through one-time clamping of a CNC machining center.
And e, grinding and deburring the die through a tool grinder.
Compared with the prior art, the invention has the advantages that: by integrating the processing technology after the heat treatment of the die, the processing procedure is shortened, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a flow chart of the processing technique of the present invention.
Detailed Description
The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings.
As shown in FIG. 1, the extrusion mold heat treatment post-processing technology of the invention comprises the following steps: a. roughly milling an upper die and a lower die; b. carrying out heat treatment on the die; c. integrating and processing an upper die; d. integrating and processing the lower die; e. and (6) polishing and deburring.
In the step a, firstly clamping the steel block in a CNC for rough milling, and processing a cavity, a spigot and other structures required by the die and reserving allowance.
In the step b, the heat treatment process of the die comprises vacuum quenching and multiple tempering, and is used for improving the strength of the die.
In the step c, the upper die integration processing comprises the following procedures: finish milling a male head surface, finish milling an assembly spigot, finish milling a pin hole and finish milling a lower blank cutter, and synchronously completing one-time clamping through a CNC (computer numerical control) machining center. In the step d, the lower die integration processing comprises the following procedures: finish milling assembly spigot and spigot surface, finish milling pin hole, finish milling welding chamber bottom and welding chamber side wall. Specifically, a disc cutter with the diameter of 63mm is used for finish milling of the assembly surface, the rotation speed of a finish-machined spindle is 1300r/min, the feed rate is 600mm/min, and the cutter feeding amount is 0.2 mm/r. When the spigot is assembled by finish milling, a tungsten steel cutter with the diameter of 12mm is used, the finish milling is carried out in place at the spindle speed of 4000r/min, the feed rate of 2000mm/min and the feed rate of 0.2mm/r, a 0.05mm allowance is left for a rough cutter, and then at the spindle speed of 4000r/min, the feed rate of 2000mm/min and the feed rate of 0.15 mm/r. When pin holes are finely milled, a tungsten steel cutter with the diameter of 8mm is used, the main shaft speed is 4000r/min, the feed rate is 2000mm/min, the feed amount is 0.2mm/r, rough turning is carried out, a 0.05mm allowance is left, and then the main shaft speed is 4000r/min, the feed rate is 2000mm/min, and the feed amount is 0.15 mm/r. The finish milling lower blank cutter uses a T-shaped cutter, the speed of a main shaft is 2500r/min, and the feed rate is 500 mm/min. When the welding chamber is finely milled, firstly, the bottom of the welding chamber is finely milled by using tool particles with the diameter of 16mm, then, a tungsten steel tool with the diameter of 12mm is used, the speed of a main shaft is 3500R/min, the feed rate is 500mm/min, three tools are used for machining the side wall of the welding chamber, and then, a round nose tool with the diameter of 20mm is used for machining a welding R angle by two tools with the speed of the main shaft of 3000R/min and the feed rate of 2000 mm/min. And synchronously clamping and finishing the workpiece at one time through a CNC machining center. And step c and step d only need to disassemble and assemble the upper die and the lower die once respectively, so that repeated disassembly and assembly of the die caused by machining by different processes such as turning, milling, polishing, drilling and the like are avoided, the machining process is shortened, and the production efficiency is improved.
And e, polishing the processed die by using a tool grinder to remove burrs on the die, so that the surface of the die is smooth, and the product quality is improved.
The invention shortens the processing procedure and greatly improves the production efficiency by integrating the processing technology after the heat treatment of the die.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. A heat treatment post-processing technology of an extrusion die is characterized by comprising the following steps:
a. roughly milling an upper die and a lower die;
b. carrying out heat treatment on the die;
c. integrating and processing an upper die;
d. integrating and processing the lower die;
e. and (6) polishing and deburring.
2. The post-heat treatment processing process for an extrusion die according to claim 1, characterized in that: in the step a, the upper die and the lower die are roughly milled to process the required die structure and reserve allowance.
3. The post-heat treatment processing process for an extrusion die according to claim 1, characterized in that: in the step b, the heat treatment process of the die comprises vacuum quenching and multiple tempering.
4. The post-heat treatment processing process for an extrusion die according to claim 1, characterized in that: in the step c, the upper die integration processing comprises the following procedures: finish milling a male head surface, finish milling an assembly spigot, finish milling a pin hole and finish milling a lower blank cutter, and synchronously completing one-time clamping through a CNC (computer numerical control) machining center.
5. The post-heat treatment processing process for an extrusion die according to claim 1, characterized in that: in the step d, the lower die integration processing comprises the following procedures: finish milling assembly spigot and spigot surface, finish milling pin hole, finish milling welding chamber bottom and welding chamber side wall, and synchronously completing through one-time clamping of a CNC machining center.
6. The post-heat treatment processing process for an extrusion die according to claim 1, characterized in that: and e, grinding and deburring the die through a tool grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189412.3A CN110976546A (en) | 2019-11-28 | 2019-11-28 | Thermal treatment post-processing technology of extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189412.3A CN110976546A (en) | 2019-11-28 | 2019-11-28 | Thermal treatment post-processing technology of extrusion die |
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| Publication Number | Publication Date |
|---|---|
| CN110976546A true CN110976546A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911189412.3A Pending CN110976546A (en) | 2019-11-28 | 2019-11-28 | Thermal treatment post-processing technology of extrusion die |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1390929A (en) * | 1971-09-21 | 1975-04-16 | Simon Eng Dudley Ltd | Pelleting dies |
| CN104004966A (en) * | 2014-05-20 | 2014-08-27 | 滁州迪蒙德模具制造有限公司 | Manufacturing method of stamping die |
| CN106584042A (en) * | 2017-02-07 | 2017-04-26 | 广东坚美铝型材厂（集团）有限公司 | Manufacturing process for extrusion die |
| CN109277786A (en) * | 2017-07-19 | 2019-01-29 | 富鼎电子科技(嘉善)有限公司 | A kind of cutting die processing method |
-
2019
- 2019-11-28 CN CN201911189412.3A patent/CN110976546A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1390929A (en) * | 1971-09-21 | 1975-04-16 | Simon Eng Dudley Ltd | Pelleting dies |
| CN104004966A (en) * | 2014-05-20 | 2014-08-27 | 滁州迪蒙德模具制造有限公司 | Manufacturing method of stamping die |
| CN106584042A (en) * | 2017-02-07 | 2017-04-26 | 广东坚美铝型材厂（集团）有限公司 | Manufacturing process for extrusion die |
| CN109277786A (en) * | 2017-07-19 | 2019-01-29 | 富鼎电子科技(嘉善)有限公司 | A kind of cutting die processing method |
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Application publication date: 20200410 |
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| RJ01 | Rejection of invention patent application after publication |