CN110142330B - Stamping material edge discharging device and method - Google Patents
Stamping material edge discharging device and method Download PDFInfo
- Publication number
- CN110142330B CN110142330B CN201910417939.0A CN201910417939A CN110142330B CN 110142330 B CN110142330 B CN 110142330B CN 201910417939 A CN201910417939 A CN 201910417939A CN 110142330 B CN110142330 B CN 110142330B
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- China
- Prior art keywords
- material edge
- punching
- discharging
- edge
- hole
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- 239000000463 material Substances 0.000 title claims abstract description 112
- 238000007599 discharging Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000004080 punching Methods 0.000 claims abstract description 55
- 238000007790 scraping Methods 0.000 claims abstract description 25
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
Abstract
The invention discloses a punching material edge discharging device and a punching material edge discharging method, wherein the punching material edge discharging device comprises a discharging pipe, the discharging pipe is vertically arranged with a punching rod, an upper hole and a lower hole through which the punching rod passes are arranged on the discharging pipe, the punching rod sequentially passes through the upper hole and the lower hole to cut off the material edge at the opening of a workpiece, at least two unidirectional turning plates are arranged at the lower hole, the two unidirectional turning plates are oppositely arranged to form a clamping hole, and the two unidirectional turning plates can be turned upwards to enable the punching rod carrying the material edge to pass through and enter the discharging pipe. One end of the discharging channel is connected with compressed air, and the material edge scraped by the scraping plate is blown to the other end of the discharging channel by the compressed air and discharged. According to the invention, as the two unidirectional turning plates are arranged in the discharge pipe during the upward movement of the punch rod carrying material, the punch rod is reset immediately after passing through the unidirectional turning plates, and the material edge is prevented from rebounding or falling freely into the die, so that the punch rod has the advantages of reasonable structure, safety, reliability and the like.
Description
Technical Field
The invention discloses a punching material edge discharging device and a punching material edge discharging method, which belong to the technical field of manufacturing of punching equipment according to an International Patent Classification (IPC).
Background
In the punching industry, for a drawn product, the edge of the drawn cylindrical product is often required to be cut off through a convex die so as to ensure the neatness and smoothness of the opening of the cylindrical product, the cut material edge is often attached to a punch rod, a scraper structure is mostly adopted in the industry to separate the material edge from the punch rod, the gravity and the same-direction relation of the machining direction are adopted, the cut material edge rebounds or sometimes falls into a punching die or a punching position under the action of the gravity of the vertical direction, the subsequent machining of the product is influenced, and the problem of falling and discharging of the material edge in the vertical direction is always puzzled. Even a horizontal punching machine is adopted in the industry, the problems are solved by utilizing the vertical mode of gravity and the machining direction, but the horizontal punching machine occupies large volume and is not applicable to some occasions.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a punching material edge discharging device, which prevents the material edge from rebounding or freely falling into a punching die by arranging a one-way turning plate in a discharging pipe.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the punching material edge discharging device comprises a discharging pipe, wherein the discharging pipe is perpendicular to a punching rod, the punching direction of the punching rod is the same as the gravity direction, an upper hole and a lower hole through which the punching rod passes are formed in the discharging pipe, the punching rod sequentially passes through the upper hole and the lower hole to cut off a material edge at an opening of a workpiece, at least two unidirectional turning plates are arranged at the lower hole, and the two unidirectional turning plates are oppositely arranged to form a clamping hole;
wherein the diameter d1 of the upper hole, the diameter d2 of the lower hole, the diameter d3 of the material edge, the diameter d4 of the two one-way turning plate clamping holes and the diameter d5 of the punch rod are as follows: d5< d1 < d4< d3< d2;
the two unidirectional turning plates can be turned upwards to enable the punch rod carrying the material edge to pass through and enter the material discharging pipe.
Further, the upper hole of the discharge pipe is positioned on the scraping plate of the discharge pipe, and the periphery of the upper hole of the scraping plate is used for scraping the material edge from the punch rod.
Further, two unidirectional turning plates are symmetrically arranged, each unidirectional turning plate is connected with a rotating shaft, one end of each rotating shaft is connected with a coil spring, when a punch rod passes with a material edge, the turning plates are opened unidirectionally, and after the punch rod passes, the punch rod immediately resets and covers the lower hole.
Further, the material edge is attached to the punch rod, and the adhesive force between the material edge and the punch rod can drive the unidirectional turning plate to turn upwards.
Further, the material discharging pipe comprises a scraping plate and a bottom plate, the scraping plate is in an inverted U shape, a transverse material discharging channel is formed at the U-shaped opening of the bottom plate, a lower hole is formed in the bottom plate and is correspondingly matched with the upper hole of the scraping plate, one end of the material discharging channel is connected with compressed air, and a material edge scraped by the scraping plate is blown to the other end of the material discharging channel by the compressed air and is discharged.
Further, a coil spring bin is arranged on one side of the material discharging pipe and used for installing a coil spring, the coil spring is connected to one end of a rotating shaft, the rotating shaft penetrates through the material discharging pipe, and the rotating shaft located in the material discharging pipe is connected with a unidirectional turning plate to realize the automatic reset function after turning up under the action of a coil.
The method for discharging the stamping material edge is characterized by comprising the following steps:
s1, a punch rod descends to sequentially pass through an upper hole of a discharge pipe, a one-way turning plate clamping hole and a lower hole of the discharge pipe, and is matched with a female die to cut off a material edge at an opening of a cylindrical workpiece, the cut material edge is attached to the punch rod, and the punch rod carries the material edge to ascend;
s2, when the punching rod carrying edge passes through the discharging pipe lower hole, the material edge carries the unidirectional turning plate, and after the punching rod is attached with the material edge, the unidirectional turning plate is reset;
s3, the punch rod is attached to the material edge to continuously ascend, the material edge is scraped when passing through the upper hole of the material discharging pipe, and the material edge falls into the material discharging pipe due to the fact that the clamping hole of the unidirectional turning plate is smaller than the diameter of the material edge, and meanwhile compressed air blows the material edge out of the material discharging channel.
Further, the control of the one-way turning plate reset is realized by the control of a coil spring at one side of the discharge pipe.
The invention is applied to the vertical punching industry, when the punching rod carries or attaches a material edge, as the two unidirectional turning plates are arranged in the discharge pipe, when the punching rod passes with the waste edge, the punching rod is opened in one direction, and after the punching rod passes, the punching rod is reset immediately, so that the waste edge is prevented from rebounding or falling freely into a die, and the punching rod has the advantages of reasonable structure, safety, reliability and the like.
Drawings
FIG. 1 is a schematic representation of an embodiment of the present invention.
FIG. 2 is a schematic diagram of the interior of an embodiment of the present invention.
Fig. 3 is a side cross-sectional view of an embodiment of the present invention.
Fig. 4 is a flow chart of the operation of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples: referring to fig. 1 to 3, a punching material edge discharging device comprises a discharging pipe 1, wherein the discharging pipe 1 is vertically arranged with a punching rod 2, the punching direction of the punching rod 2 is the same as the gravity direction, an upper hole 101 and a lower hole 102 through which the punching rod passes are arranged on the discharging pipe 1, the punching rod 2 sequentially passes through the upper hole 101 and the lower hole 102 to cut off a material edge W at an opening of a workpiece, at least two unidirectional turning plates 3 are arranged at the lower hole, and the two unidirectional turning plates 3 are oppositely arranged to form a clamping hole; wherein the diameter d1 of the upper hole, the diameter d2 of the lower hole, the diameter d3 of the material edge, the diameter d4 of the two one-way turning plate clamping holes and the diameter d5 of the punch rod are as follows: d5< d1 ∈d4< d3< d2, as shown in fig. 4, the material edge in this example has an upper-size lower structure, and the diameter d3 of the material edge is the maximum outer diameter of the material edge, as shown in fig. 4, and the small diameter of the material edge is attached to the punch rod; the two unidirectional turning plates 3 can be turned upwards to enable the punch rod carrying the material edge to pass through and enter the discharge pipe 1. The upper hole of the discharge pipe 1 is positioned on the scraping plate 11 of the discharge pipe, and the periphery of the upper hole of the scraping plate 11 is used for scraping the material edge from the punch rod. The two unidirectional turning plates 3 are symmetrically arranged, each unidirectional turning plate is connected with a rotating shaft 4, one end of each rotating shaft 4 is connected with a coil spring 5, when the punch rod passes with the material edge, the turning plates are opened unidirectionally, and after the punch rod passes, the punch rod immediately resets and covers the lower hole. The punch rod 2 is attached with a material edge, and the adhesive force between the material edge and the punch rod can drive the unidirectional turning plate to turn upwards. The discharging pipe 1 comprises a scraping plate 11 and a bottom plate 12, the scraping plate is in an inverted U shape, the bottom plate 12 is arranged at the U-shaped opening of the scraping plate to form a transverse discharging channel, a lower hole is arranged on the bottom plate 12 and is correspondingly matched with an upper hole of the scraping plate, one end of the discharging channel is connected with compressed air, and a material edge scraped by the scraping plate is blown to the other end of the discharging channel by the compressed air and discharged. One side of the discharge pipe 1 is provided with a coil spring bin 6 for installing a coil spring 2, the coil spring 2 is connected to one end of a rotating shaft 4, the rotating shaft 4 penetrates through the discharge pipe 1, and the rotating shaft 4 positioned in the discharge pipe is connected with a unidirectional turning plate 3 to realize the automatic reset function after turning up under the action of a coil.
The method for discharging the stamping material edge is characterized by comprising the following steps:
s1, a punch rod descends to sequentially pass through an upper hole of a discharge pipe, a one-way turning plate clamping hole and a lower hole of the discharge pipe, and is matched with a female die to cut off a material edge at an opening of a cylindrical workpiece, the cut material edge is attached to the punch rod, and the punch rod carries the material edge to ascend; the state a in fig. 4 indicates that the plunger is about to pass through the discharge tube;
s2, in the state b in the figure 4, when the punching rod carries the material edge to pass through the discharging pipe discharging hole, the material edge brings up the unidirectional turning plate, and after the punching rod attaches the material edge to pass through, the unidirectional turning plate resets as in the state c in the figure 4; the control of the one-way turning plate reset is realized by controlling a coil spring at one side of the discharge pipe;
s3, the punching rod is attached to the material edge to continuously ascend, the material edge is scraped when passing through the upper hole of the material discharging pipe, the material edge falls into the material discharging pipe due to the fact that the clamping hole of the unidirectional turning plate is smaller than the diameter of the material edge, meanwhile, compressed air blows the material edge out of the material discharging channel, as shown in a d state in fig. 4, no matter how the material edge rolls in the material discharging pipe, the material edge cannot fall into a die.
The components of the invention are described as follows:
the discharging pipe 1 is used for scraping the material edge from the punch rod and keeping compressed air passing through the pipeline.
A coil spring mounting bin (coil spring bin 6) for mounting a coil spring.
And the scraper 11 is used for scraping the scrap edges from the punch.
The one-way turning plate 3 is symmetrically arranged, is one-way opened when the punch rod passes along with the waste edge, and immediately resets after passing, and seals the lower opening, so that the effective path of the lower hole is reduced, and the waste edge is prevented from rebounding or freely falling into the die.
The spring 5 has light strength and long service life, is particularly suitable for applying restoring strength to the turning plate at the position, and can not scrape waste edges when the waste edges do not pass through the turning plate because of too large strength such as torsion springs.
The turning plate rotating shaft 4 is used for transmitting the force of the coil spring to the turning plate.
The invention is characterized in that: designing an integral structure; the pattern of the turning plate; the turning plate is driven by a coil spring; the coil spring is adopted instead of the torsion spring, the strength is small, the service life is long, and the binding force of the coil spring and the material edge attached to the punch rod is matched.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (7)
1. A punching press material limit discharging device, its characterized in that: the punching machine comprises a discharging pipe, wherein the discharging pipe is vertically arranged with a punching rod, the punching direction of the punching rod is the same as the gravity direction, an upper hole and a lower hole through which the punching rod passes are arranged on the discharging pipe, the punching rod sequentially passes through the upper hole and the lower hole to cut off a material edge at an opening of a workpiece, two unidirectional turning plates are arranged at the lower hole and are oppositely arranged to form a clamping hole, when the punching rod passes with the material edge, the material edge enables the unidirectional turning plates to be opened, after the punching rod passes through, the unidirectional turning plates immediately reset and cover the lower hole, the material edge is in a structure with a big upper part and a small lower part, after punching, the material edge is attached to the punching rod, and the adhesive force between the material edge and the punching rod can drive the unidirectional turning plates to turn upwards;
wherein the diameter d1 of the upper hole, the diameter d2 of the lower hole, the diameter d3 of the material edge, the diameter d4 of the two one-way turning plate clamping holes and the diameter d5 of the punch rod are as follows: d5< d1 > is less than or equal to d4< d3< d2, and the diameter d3 of the material edge is the maximum outer diameter of the material edge;
the two unidirectional turning plates can be turned upwards to enable the punch rod carrying the material edge to pass through and enter the material discharging pipe.
2. A stamped edge discharge device according to claim 1, wherein: the discharging pipe comprises a scraping plate and a bottom plate, the scraping plate is in an inverted U shape, a transverse discharging channel is formed at the U-shaped opening of the bottom plate, a lower hole is formed in the bottom plate and is correspondingly matched with the upper hole of the scraping plate, one end of the discharging channel is connected with compressed air, and a material edge scraped by the scraping plate is blown to the other end of the discharging channel by the compressed air and is discharged.
3. A stamped edge discharge device according to claim 1, wherein: the two unidirectional turning plates are symmetrically arranged, each unidirectional turning plate is connected with a rotating shaft, one end of each rotating shaft is connected with a coil spring, when the punch rod passes with the material edge, the unidirectional turning plates are opened unidirectionally, and after the punch rod passes, the punch rod immediately resets and covers the lower hole.
4. A stamped edge discharge device according to claim 2, wherein: the upper hole of the discharge pipe is positioned on the scraping plate of the discharge pipe, and the periphery of the upper hole of the scraping plate is used for scraping the material edge from the punch rod.
5. A stamped edge discharge device according to any one of claims 1 to 4, wherein: one side of the discharging pipe is provided with a coil spring bin for installing a coil spring, the coil spring is connected to one end of a rotating shaft, the rotating shaft penetrates through the discharging pipe, and the rotating shaft positioned in the discharging pipe is connected with a unidirectional turning plate so as to realize the automatic reset function after turning up under the action of the coil spring.
6. A method of discharging a punched blank, characterized by comprising a punched blank discharging apparatus according to any one of claims 1 to 5, the blank discharging step comprising:
s1, a punch rod descends to sequentially pass through an upper hole of a discharge pipe, a one-way turning plate clamping hole and a lower hole of the discharge pipe, and is matched with a female die to cut off a material edge at an opening of a cylindrical workpiece, the cut material edge is attached to the punch rod, and the punch rod carries the material edge to ascend;
s2, when the punching rod carrying edge passes through the discharging pipe lower hole, the material edge carries the unidirectional turning plate, and after the punching rod is attached with the material edge, the unidirectional turning plate is reset;
s3, the punch rod is attached to the material edge to continuously ascend, the material edge is scraped when passing through the upper hole of the material discharging pipe, and the material edge falls into the material discharging pipe due to the fact that the clamping hole of the unidirectional turning plate is smaller than the diameter of the material edge, and meanwhile compressed air blows the material edge out of the material discharging channel.
7. The method for ejecting a punched material edge according to claim 6, wherein: the control of the one-way turning plate reset is realized by controlling a coil spring at one side of the discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417939.0A CN110142330B (en) | 2019-05-20 | 2019-05-20 | Stamping material edge discharging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417939.0A CN110142330B (en) | 2019-05-20 | 2019-05-20 | Stamping material edge discharging device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110142330A CN110142330A (en) | 2019-08-20 |
| CN110142330B true CN110142330B (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417939.0A Active CN110142330B (en) | 2019-05-20 | 2019-05-20 | Stamping material edge discharging device and method |
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| CN (1) | CN110142330B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767143A (en) * | 2009-12-31 | 2010-07-07 | 王瑞峰 | One-off edge cutting device |
| CN102284592A (en) * | 2011-07-22 | 2011-12-21 | 烟台宏林电子模具有限公司 | Continuous die upward blanking method |
| CN102699229A (en) * | 2012-05-25 | 2012-10-03 | 王瑞峰 | Waste detecting and discharging device and punch press with same |
| CN203184393U (en) * | 2013-03-26 | 2013-09-11 | 奇瑞汽车股份有限公司 | Stamping die turnover type waste sliding plate mechanism |
| CN206263124U (en) * | 2016-12-07 | 2017-06-20 | 天津市天之翼金属制品有限责任公司 | Punching machine waste material discharger |
| JP2019010659A (en) * | 2017-06-30 | 2019-01-24 | 日清紡メカトロニクス株式会社 | Hole-opening-processing device for square pipe |
| CN208600547U (en) * | 2018-05-17 | 2019-03-15 | 滁州市博精模具设备制造有限公司 | A kind of billot punching cutting means |
| CN209953594U (en) * | 2019-05-20 | 2020-01-17 | 厦门昭唐机床有限公司 | Punching material edge discharging device |
-
2019
- 2019-05-20 CN CN201910417939.0A patent/CN110142330B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767143A (en) * | 2009-12-31 | 2010-07-07 | 王瑞峰 | One-off edge cutting device |
| CN102284592A (en) * | 2011-07-22 | 2011-12-21 | 烟台宏林电子模具有限公司 | Continuous die upward blanking method |
| CN102699229A (en) * | 2012-05-25 | 2012-10-03 | 王瑞峰 | Waste detecting and discharging device and punch press with same |
| CN203184393U (en) * | 2013-03-26 | 2013-09-11 | 奇瑞汽车股份有限公司 | Stamping die turnover type waste sliding plate mechanism |
| CN206263124U (en) * | 2016-12-07 | 2017-06-20 | 天津市天之翼金属制品有限责任公司 | Punching machine waste material discharger |
| JP2019010659A (en) * | 2017-06-30 | 2019-01-24 | 日清紡メカトロニクス株式会社 | Hole-opening-processing device for square pipe |
| CN208600547U (en) * | 2018-05-17 | 2019-03-15 | 滁州市博精模具设备制造有限公司 | A kind of billot punching cutting means |
| CN209953594U (en) * | 2019-05-20 | 2020-01-17 | 厦门昭唐机床有限公司 | Punching material edge discharging device |
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| Publication number | Publication date |
|---|---|
| CN110142330A (en) | 2019-08-20 |
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