CN110605324A - Rotary stretching mechanism of stretching die - Google Patents
Rotary stretching mechanism of stretching die Download PDFInfo
- Publication number
- CN110605324A CN110605324A CN201910879949.6A CN201910879949A CN110605324A CN 110605324 A CN110605324 A CN 110605324A CN 201910879949 A CN201910879949 A CN 201910879949A CN 110605324 A CN110605324 A CN 110605324A
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- CN
- China
- Prior art keywords
- die
- rotary
- rotating shaft
- base
- stretching
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/01—Selection of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention relates to the technical field of stretching film structures, in particular to a rotary stretching mechanism of a stretching die; the device comprises a base, a male die, a platform, a spring, a rotating shaft, a female die and a hydraulic cylinder; the blank to be stretched is placed on the platform, the female die is controlled to be pressed downwards through the hydraulic cylinder, the blank and the platform are conveyed downwards together in a pressing mode, the spring is elastically deformed, meanwhile, the driving device drives the rotating shaft to rotate, the male die is driven to rotate, the blank is stretched into a cylindrical shape through a gap between the female die and the male die, and the male die at the lower portion is in a rotating state in the pressing process, so that the uniformity of the gap in the stretching process can be guaranteed, the roundness of a product is guaranteed, strain on the surface of the product is reduced, and the smoothness of the appearance of the product is guaranteed.
Description
Technical Field
The invention relates to the technical field of stretching film structures, in particular to a rotary stretching mechanism of a stretching die.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".
The molding of many products can be accomplished with the help of a mold, and plastic parts and metal parts are arranged in the mold. And for some occasions with higher requirements on precision, the precision can be finished only by using a special die with high precision. There are also some special requirements for special products. For example, in the process of machining a metal workpiece, some customers have high requirements on the appearance, and the appearance cannot be strained too much. Particularly round metal workpieces. For this reason, special means are required to ensure that strain during product processing is controlled as much as possible.
For the stretch forming process of a cylindrical product, upper and lower dies are generally required to be pressed and stretch formed, and the traditional stretch forming process is easy to cause product strain, so that the quality of the product is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a rotatory drawing mechanism of drawing die, solves current drawing die and causes the problem that the product was strained easily to cylindric product stretch forming in-process.
In order to solve the technical problems, the invention adopts the technical scheme that:
a rotary stretching mechanism of a stretching die comprises a base, a male die, a platform, a spring, a rotating shaft, a female die and a hydraulic cylinder;
the middle part of the base is provided with a cylindrical through hole in the vertical direction, the rotating shaft penetrates through the cylindrical through hole and is connected to the base through a bearing, and the rotating shaft is in transmission connection with the driving mechanism;
the terrace die is cylindrical, the terrace die is coaxially connected to the upper end of the rotating shaft, the platform is connected to the upper part of the base through a spring, and the upper surface of the platform is flush with the upper surface of the terrace die in a free state of the spring;
the lower part of the female die is provided with a cylindrical groove, the female die is arranged above the male die and coaxial with the male die, and the hydraulic cylinder is connected to the upper end of the female die in the vertical direction.
The invention has the beneficial effects that: according to the rotary stretching mechanism of the stretching die, the blank to be stretched is placed on the platform, the female die is controlled to be pressed downwards through the hydraulic cylinder, the blank and the platform are conveyed downwards together in a pressing mode, the spring is elastically deformed, meanwhile, the driving device drives the rotating shaft to rotate, the male die is driven to rotate, the blank is stretched into a cylindrical shape through the gap between the female die and the male die, and the uniformity of the gap in the stretching process can be guaranteed because the male die at the lower part is in a rotating state in the pressing process, so that the roundness of a product is guaranteed, the strain on the surface of the product is reduced, and the smoothness of the appearance of the product is guaranteed.
Drawings
FIG. 1 is a cross-sectional view of a rotary die preferred drawing mechanism according to an embodiment of the present invention;
description of reference numerals:
1. a base; 2. a male die; 21. a groove; 3. a platform; 4. a spring; 5. a rotating shaft; 6. a female die; 7. a hydraulic cylinder; 8. a bearing; 9. a dust collection device; 10. a pipeline; 11. a motor; 12. a drive belt; 13. a base.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: because the male die at the lower part is in a self-rotating state in the die pressing process, the uniformity of gaps in the stretching process can be ensured, so that the roundness of a product is ensured, the strain on the surface of the product is reduced, and the smoothness of the appearance of the product is ensured.
Referring to fig. 1, the invention relates to a rotary stretching mechanism of a stretching die, which comprises a base 1, a male die 2, a platform 3, a spring 4, a rotating shaft 5, a female die 6 and a hydraulic cylinder 7;
a cylindrical through hole in the vertical direction is formed in the middle of the base 1, the rotating shaft 5 penetrates through the cylindrical through hole and is connected to the base 1 through a bearing 8, and the rotating shaft 5 is in transmission connection with a driving mechanism;
the terrace die 2 is cylindrical, the terrace die 2 is coaxially connected to the upper end of a rotating shaft 5, the platform 3 is connected to the upper part of the base 1 through a spring 4, and the upper surface of the platform 3 is flush with the upper surface of the terrace die 2 in a free state of the spring 4;
the lower part of the female die 6 is provided with a cylindrical groove 21, the female die 6 is arranged above the male die 2, the female die 6 is coaxial with the male die 2, and the hydraulic cylinder 7 is connected to the upper end of the female die 6 in the vertical direction.
In the rotary stretching mechanism of the stretching die, the blank to be stretched is placed on the platform 3, the female die 6 is controlled to be pressed downwards through the hydraulic cylinder 7, the blank and the platform 3 are pressed downwards together to enable the spring 4 to generate elastic deformation, meanwhile, the driving device drives the rotating shaft 5 to rotate, and further drives the male die 2 to rotate, the blank is stretched into a cylindrical shape through a gap between the female die 6 and the male die 2, and because the male die 2 at the lower part is in a rotating state in the process of die pressing, the uniformity of the gap in the stretching process can be ensured, so that the roundness of a product is ensured, the strain on the surface of the product is reduced, and the smoothness of the appearance of the product is ensured.
Further, among the rotatory tension mechanism of above-mentioned drawing die, still include dust extraction 9, dust extraction 9 sets up the below at pivot 5, be equipped with the recess 21 of vertical direction on the arcwall face of terrace die 2, the axial region of terrace die 2 is equipped with pipeline 10, recess 21 and pipeline 10 intercommunication, pipeline 10 extends along the axial region of pivot 5, connects in dust extraction 9 through rotary joint.
From the above description, through set up the recess 21 of vertical direction on the arcwall face of terrace die 2, through set up pipeline 10 and recess 21 intercommunication at the axial region of terrace die 2 to connect dust extraction 9 through pipeline 10, make terrace die 2 rotate and carry out tensile in-process to the work piece, can absorb the piece simultaneously, avoid the piece to the wearing and tearing of work piece, avoid causing the strain.
Furthermore, in the rotary stretching mechanism of the stretching die, the driving mechanism comprises a motor 11, driving wheels and a transmission belt 12, the driving wheels are arranged on the rotating shaft 5 and the output shaft of the motor 11, and the two driving wheels are in transmission connection through the belt.
Furthermore, the rotary stretching mechanism of the stretching die further comprises a base 13, and the dust suction device 9 is fixed on the base 13.
Further, the rotary drawing mechanism for a drawing die further includes a base 13, and the motor 11 is provided on the base 13.
Further, in the rotary drawing mechanism of the drawing die, a chamfer is arranged on the upper edge of the male die 2.
Further, in the above rotary drawing mechanism for a drawing die, the material of the convex die 2 is polycrystalline diamond.
Further, in the rotary drawing mechanism of the drawing die, the material of the male die 2 is hard alloy, and the surface of the hard alloy is coated with the polycrystalline diamond film layer.
Example 1
A rotary stretching mechanism of a stretching die comprises a base 1, a male die 2, a platform 3, a spring 4, a rotating shaft 5, a female die 6 and a hydraulic cylinder 7; a cylindrical through hole in the vertical direction is formed in the middle of the base 1, the rotating shaft 5 penetrates through the cylindrical through hole and is connected to the base 1 through a bearing 8, and the rotating shaft 5 is in transmission connection with a driving mechanism; the terrace die 2 is cylindrical, the terrace die 2 is coaxially connected to the upper end of a rotating shaft 5, the platform 3 is connected to the upper part of the base 1 through a spring 4, and the upper surface of the platform 3 is flush with the upper surface of the terrace die 2 in a free state of the spring 4; the lower part of the female die 6 is provided with a cylindrical groove 21, the female die 6 is arranged above the male die 2, the female die 6 is coaxial with the male die 2, and the hydraulic cylinder 7 is connected to the upper end of the female die 6 in the vertical direction. The dust collection device 9 is arranged below the rotating shaft 5, a groove 21 in the vertical direction is formed in the arc-shaped surface of the male die 2, a pipeline 10 is arranged on the shaft portion of the male die 2, the groove 21 is communicated with the pipeline 10, the pipeline 10 extends along the shaft portion of the rotating shaft 5 and is connected to the dust collection device 9 through a rotary joint; the driving mechanism comprises a motor 11, driving wheels and a driving belt 12, the driving wheels are arranged on the output shafts of the rotating shaft 5 and the motor 11, and the two driving wheels are in transmission connection through the belt. The dust collector further comprises a base 13, and the dust collecting device 9 is fixed on the base 13. The motor 11 is defined in a base 13. And a chamfer is arranged on the upper edge of the male die 2. The material of the convex die 2 is polycrystalline diamond.
Example 2
The rotary drawing mechanism of the drawing die in embodiment 1 is characterized in that the male die 2 is made of hard alloy, and a polycrystalline diamond film layer is coated on the surface of the hard alloy.
In summary, in the rotary stretching mechanism of the stretching die provided by the invention, the blank to be stretched is placed on the platform, the female die is controlled to be pressed downwards by the hydraulic cylinder, so that the blank and the platform are pressed downwards together, the spring is elastically deformed, meanwhile, the driving device drives the rotating shaft to rotate, and further the male die is driven to rotate, and the blank is stretched into a cylindrical shape through the gap between the female die and the male die. Through the recess that sets up vertical direction on the arcwall face at the terrace die, set up pipeline and recess intercommunication through the axial region at the terrace die to through pipe connection dust extraction, make the terrace die rotate and carry out tensile in-process to the work piece, can absorb the piece simultaneously, avoid the piece to the wearing and tearing of work piece, avoid causing the strain.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. A rotary stretching mechanism of a stretching die is characterized by comprising a base, a male die, a platform, a spring, a rotating shaft, a female die and a hydraulic cylinder;
the middle part of the base is provided with a cylindrical through hole in the vertical direction, the rotating shaft penetrates through the cylindrical through hole and is connected to the base through a bearing, and the rotating shaft is in transmission connection with the driving mechanism;
the terrace die is cylindrical, the terrace die is coaxially connected to the upper end of the rotating shaft, the platform is connected to the upper part of the base through a spring, and the upper surface of the platform is flush with the upper surface of the terrace die in a free state of the spring;
the lower part of the female die is provided with a cylindrical groove, the female die is arranged above the male die and coaxial with the male die, and the hydraulic cylinder is connected to the upper end of the female die in the vertical direction.
2. The rotary stretching mechanism of stretching die of claim 1, further comprising a dust collector, wherein said dust collector is disposed under the rotating shaft, a vertical groove is disposed on the arc surface of the male die, a pipe is disposed on the shaft of the male die, said groove is communicated with the pipe, said pipe extends along the shaft of the rotating shaft, and is connected to the dust collector through a rotary joint.
3. The rotary drawing mechanism of drawing die according to claim 1, wherein said driving mechanism comprises a motor, driving wheels and a driving belt, the output shafts of said rotating shaft and motor are provided with driving wheels, and the two driving wheels are connected by belt driving.
4. The rotary drawing mechanism of drawing die as claimed in claim 2, further comprising a base, wherein said dust suction device is fixed to the base.
5. The rotary drawing mechanism of drawing die of claim 3, further comprising a base, said motor being defined in said base.
6. The rotary drawing mechanism of drawing die according to claim 1, wherein the upper edge of the male die is provided with a chamfer.
7. The rotary drawing mechanism of drawing die according to claim 1, wherein the material of the male die is polycrystalline diamond.
8. The rotary drawing mechanism of drawing die according to claim 1, wherein the material of the male die is cemented carbide, and the surface of the cemented carbide is coated with a polycrystalline diamond film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879949.6A CN110605324B (en) | 2019-09-18 | 2019-09-18 | Rotary stretching mechanism of stretching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910879949.6A CN110605324B (en) | 2019-09-18 | 2019-09-18 | Rotary stretching mechanism of stretching die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110605324A true CN110605324A (en) | 2019-12-24 |
| CN110605324B CN110605324B (en) | 2021-11-05 |
Family
ID=68891605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910879949.6A Active CN110605324B (en) | 2019-09-18 | 2019-09-18 | Rotary stretching mechanism of stretching die |
Country Status (1)
| Country | Link |
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| CN (1) | CN110605324B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641954A (en) * | 2012-04-23 | 2012-08-22 | 上海工程技术大学 | Drawing mould |
| CN202715715U (en) * | 2012-06-15 | 2013-02-06 | 昆山联德精密机械有限公司 | Gear shaving type rotary cutting mechanism in punching die |
| JP2013081979A (en) * | 2011-10-07 | 2013-05-09 | Ihi Corp | Press machine and method for estimating wrinkle suppressing force |
| CN203184447U (en) * | 2013-04-25 | 2013-09-11 | 侯兵 | Rotating stretching stamping die |
| CN105149459A (en) * | 2015-10-27 | 2015-12-16 | 中国南方航空工业(集团)有限公司 | Conical piece mold |
| JP2016117080A (en) * | 2014-12-21 | 2016-06-30 | 株式会社キヤマ | Curve surface molding machine press die and curve surface molding method using the press die |
| CN109396244A (en) * | 2018-10-26 | 2019-03-01 | 江门市锐丰金属制品有限公司 | A kind of rotation bead cutter for tensioning member |
-
2019
- 2019-09-18 CN CN201910879949.6A patent/CN110605324B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013081979A (en) * | 2011-10-07 | 2013-05-09 | Ihi Corp | Press machine and method for estimating wrinkle suppressing force |
| CN102641954A (en) * | 2012-04-23 | 2012-08-22 | 上海工程技术大学 | Drawing mould |
| CN202715715U (en) * | 2012-06-15 | 2013-02-06 | 昆山联德精密机械有限公司 | Gear shaving type rotary cutting mechanism in punching die |
| CN203184447U (en) * | 2013-04-25 | 2013-09-11 | 侯兵 | Rotating stretching stamping die |
| JP2016117080A (en) * | 2014-12-21 | 2016-06-30 | 株式会社キヤマ | Curve surface molding machine press die and curve surface molding method using the press die |
| CN105149459A (en) * | 2015-10-27 | 2015-12-16 | 中国南方航空工业(集团)有限公司 | Conical piece mold |
| CN109396244A (en) * | 2018-10-26 | 2019-03-01 | 江门市锐丰金属制品有限公司 | A kind of rotation bead cutter for tensioning member |
Non-Patent Citations (1)
| Title |
|---|
| 王秀凤 等: "《冷冲压模具设计与制造（第4版）》", 31 October 2016, 北京航空航天大学出版社 * |
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| Publication number | Publication date |
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| CN110605324B (en) | 2021-11-05 |
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