CN115055599A - Mechanical stretching time-delay mechanism - Google Patents
Mechanical stretching time-delay mechanism Download PDFInfo
- Publication number
- CN115055599A CN115055599A CN202210720688.5A CN202210720688A CN115055599A CN 115055599 A CN115055599 A CN 115055599A CN 202210720688 A CN202210720688 A CN 202210720688A CN 115055599 A CN115055599 A CN 115055599A
- Authority
- CN
- China
- Prior art keywords
- stripper plate
- plate insert
- insert
- die
- elastic nail
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000007723 die pressing method Methods 0.000 description 5
- 230000001934 delay Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/10—Combined ejecting and stripping-off devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a mechanical stretching delay mechanism, which can enable a lower die to float and rise later than an upper die forming punch to jack up when a die is opened, avoids secondary deformation of a part in the die opening process, and improves the product quality and the stability of part stretching, and is characterized in that: the mechanism comprises a stripper plate insert, the stripper plate insert is rotatably mounted on a stripper plate through a rotating shaft, an ejector rod is arranged at the upper end of the outer side of the stripper plate insert, a nitrogen spring is arranged at the upper end of the ejector rod, the nitrogen spring is mounted on an upper die base, the ejector rod is arranged between the stripper plate insert and the nitrogen spring, a reset elastic nail is arranged at the upper end of the inner side of the stripper plate insert, a rectangular spring is arranged at the upper end of the reset elastic nail, and the reset elastic nail and the rectangular spring are mounted on the stripper plate.
Description
Technical Field
The invention relates to the technical field of processing dies of automobile parts, in particular to a mechanical stretching delay mechanism.
Background
In a single-step drawing die for part forming, a float is generally provided. And the floating is a forming part used for ejecting the part to be separated from the lower die base after the die is opened. Generally, after the die is opened, the single-process drawing die rises to lift the part from the periphery along with the upward ejection of the upper die forming punch, and at the moment, the upper die pressing plate still does not move upwards under the action of nitrogen force and still presses the middle of the part, so that the part is easy to deform secondarily in the die opening process.
Disclosure of Invention
In order to solve the problems mentioned in the above, the invention provides a mechanical stretching delay mechanism, which enables a lower die floating block to follow an upper die pressing plate together when a die is opened and to be later than an upper die forming punch to jack up, so that secondary deformation of a part in the die opening process is avoided, and the product quality and the stability of part stretching are improved.
The technical scheme is as follows:
a tensile delay mechanism of mechanical type which characterized in that: the mechanism comprises a stripper plate insert, the stripper plate insert is rotatably mounted on a stripper plate through a rotating shaft, the upper end of the outer side of the stripper plate insert is provided with a mandril, the upper end of the mandril is provided with a nitrogen spring, the nitrogen spring is mounted on an upper die base, the mandril is arranged between the stripper plate insert and the nitrogen spring, the upper end of the inner side of the stripper plate insert is provided with a reset elastic nail, the upper end of the reset elastic nail is provided with a rectangular spring, and the reset elastic nail and the rectangular spring are mounted on the stripper plate; the stripper plate insert is used for abutting against the floating lift of the lower die base after rotating through the rotating shaft under the action of the ejector rod, and the stripper plate insert is reset under the action of the reset elastic nail and separated from the floating lift of the lower die base to return to an initial state.
Furthermore, the stripper plate inserts are L-shaped, and the quantity of the stripper plate inserts is 2.
Furthermore, the outer side of the floating is provided with a step surface, and the step surface is provided with a floating insert matched with the stripper plate insert.
The invention has the beneficial effects that:
when the die is closed, an ejector rod of the mechanism is abutted against the upper end of the outer side of the stripper plate insert under the action of a nitrogen spring, and the stripper plate insert rotates around a rotating shaft under the action of the ejector rod until the lower end of the stripper plate insert is abutted against a floating insert of the lower die, so that the condition that a part is jacked from the periphery by moving and jacking along with an upper die forming punch immediately after the die is opened and floating; at the beginning of die opening of the die, an upper die forming punch moves upwards, at the moment, an upper die pressure plate still does not move upwards under the action of nitrogen force, a stripper plate also does not move upwards, and a lower die floats and is propped by a stripper plate insert and also does not move upwards; when the upper die is separated from the lower die by a certain distance, the upper die pressing plate starts to move upwards after the stroke is finished, the stroke of the nitrogen spring is finished, the ejector rod is separated from the upper end of the outer side of the stripper plate insert, the reset elastic nail abuts against the upper end of the inner side of the stripper plate insert under the action of the rectangular spring, the stripper plate insert rotates around the rotating shaft to reset under the combined action of the reset elastic nail and the self gravity, the lower end of the stripper plate insert is separated from the floating lift, the floating lift also starts to move upwards to jack the part, the function of jacking the part after the floating lift delays for a period of time in the die opening is further achieved, the problems that the part can be immediately jacked from the periphery in the floating lift in the die opening process, the middle of the part is still pressed by the upper die pressing plate to be immobile and secondary deformation occurs are solved, and the product quality and the stability of part stretching are improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1, the mechanical stretching delay mechanism includes a stripper plate insert 1, the stripper plate insert 1 is rotatably mounted on a stripper plate 11 through a rotating shaft 2, an ejector rod 4 is arranged at the upper end of the outer side of the stripper plate insert 1, a nitrogen spring 5 is arranged at the upper end of the ejector rod 4, the nitrogen spring 5 is mounted on an upper die base 6, the ejector rod 4 is arranged between the stripper plate insert 1 and the nitrogen spring 5, a reset elastic nail 7 is arranged at the upper end of the inner side of the stripper plate insert 1, a rectangular spring 8 is arranged at the upper end of the reset elastic nail 7, and the reset elastic nail 7 and the rectangular spring 8 are mounted on the stripper plate 11; the stripper plate insert 1 is used in a state A that the lower end of the stripper plate insert 1 abuts against the floating lift 9 of the lower die holder 3 after being rotated by the rotating shaft 2 under the action of the ejector rod 4, and the stripper plate insert 1 is also used in a state B that the lower end of the stripper plate insert 1 is separated from the floating lift 9 of the lower die holder 3 after being reset under the action of the reset elastic nail 7 and returns to an initial state B. The stripper plate inserts 1 are L-shaped, and the quantity of the stripper plate inserts 1 is 2, so that the floating lift 9 is ensured to be balanced. The outer side of the buoyancy lift 9 is provided with a step surface, and the step surface is provided with a buoyancy lift insert 10 matched with the stripper plate insert 1.
The working principle of the mechanism is as follows: when the die is closed, an ejector rod 4 of the mechanism is abutted against the upper end of the outer side of a stripper plate insert 1 under the action of a nitrogen spring 5, the stripper plate insert 1 rotates around a rotating shaft 2 under the action of the ejector rod 4 until the lower end of the stripper plate insert 1 is abutted against a floating insert 10 of a lower die 3, so that the condition that a die opening floating lift 9 moves along with an upper die forming punch to lift up to jack a part from the periphery is avoided; at the beginning of die opening of the die, an upper die forming punch moves upwards, at the moment, an upper die pressure plate still does not move upwards under the action of nitrogen force, a stripper plate 11 also does not move upwards, and a lower die floating lift 9 is still supported by the stripper plate insert 1 and also does not move upwards; when the upper die base and the lower die base are separated by a certain distance, the upper die pressing plate starts to move upwards after the stroke is finished, the stroke of the nitrogen spring 5 is finished, the ejector rod 4 is separated from the upper end of the outer side of the stripper plate insert 1, the reset elastic nail 7 is abutted against the upper end of the inner side of the stripper plate insert 1 under the action of the rectangular spring 8, the stripper plate insert 1 rotates around the rotating shaft 2 to reset under the combined action of the reset elastic nail 7 and the self gravity, the lower end of the stripper plate insert 1 is separated from the buoyancy lift 9, the buoyancy lift 9 also starts to move upwards to lift the part, and the function of lifting the part after the buoyancy lift delays for a period of time when the die is opened is further achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A tensile delay mechanism of mechanical type which characterized in that: the mechanism comprises a stripper plate insert, the stripper plate insert is rotatably mounted on a stripper plate through a rotating shaft, the upper end of the outer side of the stripper plate insert is provided with a mandril, the upper end of the mandril is provided with a nitrogen spring, the nitrogen spring is mounted on an upper die base, the mandril is arranged between the stripper plate insert and the nitrogen spring, the upper end of the inner side of the stripper plate insert is provided with a reset elastic nail, the upper end of the reset elastic nail is provided with a rectangular spring, and the reset elastic nail and the rectangular spring are mounted on the stripper plate; the stripper plate insert is used for abutting against the floating lift of the lower die base after rotating through the rotating shaft under the action of the ejector rod, and is also used for returning to an initial state after resetting under the action of the resetting elastic nail and separating the lower end of the stripper plate insert from the floating lift of the lower die base.
2. A mechanical stretch delay mechanism as claimed in claim 1, wherein: the stripper plate inserts are L-shaped, and the quantity of the stripper plate inserts is 2.
3. A mechanical stretch delay mechanism as claimed in claim 1, wherein: the outer side of the floating lift is provided with a step surface, and the step surface is provided with a floating lift insert matched with the stripper plate insert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210720688.5A CN115055599A (en) | 2022-06-24 | 2022-06-24 | Mechanical stretching time-delay mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210720688.5A CN115055599A (en) | 2022-06-24 | 2022-06-24 | Mechanical stretching time-delay mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115055599A true CN115055599A (en) | 2022-09-16 |
Family
ID=83201705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210720688.5A Pending CN115055599A (en) | 2022-06-24 | 2022-06-24 | Mechanical stretching time-delay mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115055599A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205763487U (en) * | 2016-07-05 | 2016-12-07 | 东莞虹日金属科技有限公司 | A kind of stretched film time delay mould emptier |
| CN205851682U (en) * | 2016-06-17 | 2017-01-04 | 吉安市瑞鹏飞精密科技有限公司 | A kind of automobile continuous drawing die time delay pressure adjusting structure assembly |
| CN205949659U (en) * | 2016-07-28 | 2017-02-15 | 东莞勤奋金属科技有限公司 | Take off material delayed stamping die |
| CN206296373U (en) * | 2016-12-23 | 2017-07-04 | 无锡龙筠模具制造有限公司 | A kind of time-delay mechanism for stamping mold |
| CN207508091U (en) * | 2017-07-24 | 2018-06-19 | 东莞致嘉金属科技有限公司 | One kind returns back to top time-delay mechanism |
| CN207756779U (en) * | 2017-12-19 | 2018-08-24 | 祥鑫科技股份有限公司 | A kind of mechanical time-delay structure of stamping die |
| CN209109999U (en) * | 2018-11-14 | 2019-07-16 | 青岛宇森精密工业有限公司 | A kind of double acting binder forming die structure |
| CN111774483A (en) * | 2020-07-08 | 2020-10-16 | 格致汽车科技股份有限公司 | Mechanical time delay mechanism of drawing die |
| CN212976478U (en) * | 2020-04-28 | 2021-04-16 | 广东天倬智能装备科技有限公司 | Drawing die capable of controlling time-delay reset of blank holder |
-
2022
- 2022-06-24 CN CN202210720688.5A patent/CN115055599A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205851682U (en) * | 2016-06-17 | 2017-01-04 | 吉安市瑞鹏飞精密科技有限公司 | A kind of automobile continuous drawing die time delay pressure adjusting structure assembly |
| CN205763487U (en) * | 2016-07-05 | 2016-12-07 | 东莞虹日金属科技有限公司 | A kind of stretched film time delay mould emptier |
| CN205949659U (en) * | 2016-07-28 | 2017-02-15 | 东莞勤奋金属科技有限公司 | Take off material delayed stamping die |
| CN206296373U (en) * | 2016-12-23 | 2017-07-04 | 无锡龙筠模具制造有限公司 | A kind of time-delay mechanism for stamping mold |
| CN207508091U (en) * | 2017-07-24 | 2018-06-19 | 东莞致嘉金属科技有限公司 | One kind returns back to top time-delay mechanism |
| CN207756779U (en) * | 2017-12-19 | 2018-08-24 | 祥鑫科技股份有限公司 | A kind of mechanical time-delay structure of stamping die |
| CN209109999U (en) * | 2018-11-14 | 2019-07-16 | 青岛宇森精密工业有限公司 | A kind of double acting binder forming die structure |
| CN212976478U (en) * | 2020-04-28 | 2021-04-16 | 广东天倬智能装备科技有限公司 | Drawing die capable of controlling time-delay reset of blank holder |
| CN111774483A (en) * | 2020-07-08 | 2020-10-16 | 格致汽车科技股份有限公司 | Mechanical time delay mechanism of drawing die |
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