CN114210796A - Small flanging ejector - Google Patents
Small flanging ejector Download PDFInfo
- Publication number
- CN114210796A CN114210796A CN202111240934.9A CN202111240934A CN114210796A CN 114210796 A CN114210796 A CN 114210796A CN 202111240934 A CN202111240934 A CN 202111240934A CN 114210796 A CN114210796 A CN 114210796A
- Authority
- CN
- China
- Prior art keywords
- flanging
- block
- ejection
- hole
- piece
- 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
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/12—Edge-curling
-
- 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
-
- 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
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a small flanging ejector, wherein the top of a flanging piece is placed on the top of an installation block and the top of a supporting block, the middle part of the flanging piece is attached to the left side of the supporting block, the bottom of the flanging piece is placed on a step block, a pressing block moves right to press the flanging piece, a flanging punching column moves right to drive a flanging punch to extend into a hole of the flanging piece for flanging, the flanging punch finally contacts with an ejection block to press an ejection spring, and after the pressing block and the flanging punching column return stroke, the ejection block is driven to eject the flanging piece under the action of the ejection spring, so that the small flanging ejector is convenient to operate and does not need additional parts.
Description
Technical Field
The invention relates to the field of cold stamping, in particular to a small flanging ejector.
Background
The steel plate cold punching die is the die with highest requirement, the largest processing difficulty and the largest processing amount in the automobile body manufacturing, and the hole flanging ejector accounts for about 10% of the die, wherein the hole flanging ejector is involved, so that the die manufacturing cost is greatly increased. Prior art patent CN103240354B turn-ups ejecting device and turn-ups plastic mould, turn-ups ejecting device is applicable to in the turn-ups plastic mould, can be fit for different turn-ups forms. Therefore, the existing flanging is mostly flanged by adopting a flanging die, and the flanging die is complex in structure and high in cost. The prior art patent CN112620441A discloses a hole flanging ejector, through fixing standard screw on the mould body, removes the ejecting piece of hole flanging and makes standard screw ejecting upwards, simple structure improves production efficiency, reduction in production cost, has improved the subassembly reliability. However, in the patent, the hole flanging is carried out, the hole of the steel plate piece needs to be flanged again, and a mechanism capable of being ejected immediately after the hole flanging is needed. Therefore, it is necessary to solve this problem.
Disclosure of Invention
In order to solve the problems, the invention provides a small flanging ejector, the top of a mounting block and the top of a supporting block are arranged on the top of a flanging piece, the middle of the flanging piece is attached to the left side of the supporting block, the bottom of the flanging piece is arranged on a step block, a material pressing block moves right to press the flanging piece, a flanging punching column moves right to drive a flanging punch to extend into a hole of the flanging piece for flanging, the flanging punch finally contacts with an ejection block to press an ejection spring, and after the material pressing block and the flanging punching column return stroke, the ejection block is driven to eject the flanging piece under the action of the ejection spring.
The invention aims to provide a small flanging ejector, which comprises a mounting block, wherein a supporting block is arranged on the side surface of the mounting block;
a step block protrudes from the left side of the supporting block; the flanging piece is Z-shaped, the top of the flanging piece is positioned at the tops of the mounting block and the supporting block, the middle of the flanging piece is attached to the left side of the supporting block, and the bottom of the flanging piece is positioned on the step block;
a through hole which is transversely communicated is formed in the middle of the supporting block, a mounting groove which is communicated with the through hole is formed in the mounting block and is positioned at the through hole, an ejection spring is arranged in the mounting groove, the left side of the ejection spring is connected with an ejection block, and the ejection block extends into the through hole;
a pressing block is arranged on the left side of the supporting block, a flanging punching column transversely penetrates through the middle of the pressing block at the through hole, and the pressing block and the flanging punching column are respectively connected with a power source to drive movement;
and the right end of the flanging punching column is provided with a detachable flanging punch.
The further improvement lies in that: the right end of the through hole is a limiting groove, the diameter of the limiting groove is larger than that of the through hole main body, the through hole main body is step-shaped, and the right end of the ejection block is a step part matched with the limiting groove.
The further improvement lies in that: the thickness of step portion is less than the thickness of spacing groove to the step portion can move in the spacing inslot, and the spacing groove left end is spacing.
The further improvement lies in that: when the left end of the step part abuts against the left end of the limiting groove, the spring is in a normal telescopic state, and the left end of the ejection block is in contact with the flanging piece for ejection.
The further improvement lies in that: the middle part of the left side of the ejection block is a hollow groove.
The further improvement lies in that: a threaded rod protrudes from the right end of the flanging punching column, a flanging punch is mounted on the threaded rod in a threaded manner, and a threaded cavity matched with the threaded rod is formed in the left part of the flanging punch; the flanging punch comprises a plurality of flanging punches with different sizes.
The invention has the beneficial effects that: according to the flanging die, the top of the mounting block and the top of the supporting block are placed on the top of the flanging piece, the middle of the flanging piece is attached to the left side of the supporting block, the bottom of the flanging piece is placed on the step block, the pressing block moves rightwards to press the flanging piece, the flanging punching column moves rightwards to drive the flanging punching head to extend into a hole of the flanging piece for flanging, the flanging punching head finally contacts with the ejection block to press the ejection spring, and after the pressing block and the flanging punching column return, the ejection block is driven to eject the flanging piece under the action of the ejection spring, so that the flanging die is convenient to operate and does not need additional parts; the step part of the ejection block moves in the limiting groove of the through hole, so that the ejection block is limited; the ejecting block is provided with a hollow groove to reduce the weight; the flanging punching column is provided with the flanging punching head through the threaded rod, so that the flanging punching head can replace convenient punching heads with different sizes according to the size of the hole and the size of the flanging of the actual flanging piece, and the adaptability is good.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a front cross-sectional view of the present flanging punch.
Wherein: 1-mounting block, 2-supporting block, 3-step block, 4-through hole, 5-mounting groove, 6-ejection spring, 7-ejection block, 8-pressing block, 9-flanging punching column, 10-limiting groove, 11-step portion, 12-hollowed groove, 13-threaded rod, 14-flanging punching head, 15-threaded cavity and 16-flanging piece.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-3, the present embodiment provides a small-sized flanging ejector, which includes a mounting block 1, a supporting block 2 is disposed on a side surface of the mounting block 1; a step block 3 protrudes from the left side of the supporting block 2; the flanging piece 16 is Z-shaped, the top of the flanging piece 16 is positioned at the tops of the mounting block 1 and the supporting block 2, the middle of the flanging piece 16 is attached to the left side of the supporting block 2, and the bottom of the flanging piece 16 is positioned on the step block 3; a material pressing block 8 is arranged on the left side of the supporting block 2, and the material pressing block 8 is connected with a power source to drive the movement; thus, the top of the flanging element 16 is placed at the tops of the mounting block 1 and the supporting block 2, the middle of the flanging element 16 is attached to the left side of the supporting block 2, the bottom of the flanging element 16 is placed on the step block 3, and the pressing block 8 moves to the right to press the flanging element 16.
A through hole 4 which is transversely penetrated is formed in the middle of the supporting block 2, a mounting groove 5 which is penetrated through the through hole 4 is formed in the mounting block 1 at the position of the through hole 4, an ejection spring 6 is arranged in the mounting groove 5, the left side of the ejection spring 6 is connected with an ejection block 7, and the ejection block 7 extends into the through hole 4; the middle part of the material pressing block 8 is positioned at the through hole 4 and transversely penetrates through the flanging punching column 9, the flanging punching column 9 is connected with a power source to drive the movement, and the right end of the flanging punching column 9 is provided with a detachable flanging punch 14; therefore, the flanging punch 9 moves rightwards to drive the flanging punch 14 to extend into a hole of the flanging piece 16 for flanging, the flanging punch 14 finally contacts with the ejection block 7 to compress the ejection spring 6, and after the return stroke of the material pressing block and the flanging punch, the ejection block is driven to eject the flanging piece 16 under the action of the ejection spring, so that the operation is convenient, and no additional part is needed.
The right end of the through hole 4 is provided with a limiting groove 10, the diameter of the limiting groove 10 is larger than that of the main body of the through hole 4, the limiting groove is step-shaped, and the right end of the ejection block 7 is provided with a step part 11 matched with the limiting groove 10; the thickness of the step part 11 is smaller than that of the limiting groove 10, so that the step part 11 can move in the limiting groove 10, and the left end of the limiting groove 10 is limited; when the left end of the step part 11 abuts against the left end of the limiting groove 10, the spring is in a normal telescopic state, and the left end of the ejection block 7 is in contact with the flanging piece 16 for ejection.
The middle part of the left side of the ejection block 7 is provided with a hollow groove 12. The step part 11 of the ejection block 7 moves in the limiting groove 10 of the through hole 4, so that the ejection block 7 is limited, and the ejection block is provided with a hollow groove 12 to reduce the weight.
A threaded rod 13 protrudes from the right end of the flanging punching column 9, a flanging punch 14 is installed on the threaded rod 13 in a threaded mode, and a threaded cavity 15 matched with the threaded rod 13 is formed in the left portion of the flanging punch 14; the flanging punch 14 comprises a plurality of flanging punches 14 with different sizes; the flanging punch post 9 is provided with the flanging punch 14 through the threaded rod 13 in a threaded manner, so that the flanging punch 14 can replace convenient punches with different sizes according to the size of the hole of the practical flanging piece 16 and the size of the flanging, and the adaptability is good.
In actual use: firstly, according to the size of a hole needing flanging of a flanging piece 16 and the size of the hole needing flanging, an adaptive flanging punch 14 is arranged on a flanging punch 9, then the top of the flanging piece 16 is placed on the tops of a mounting block 1 and a supporting block 2, the middle part of the flanging piece 16 is attached to the left side of the supporting block 2, the bottom of the flanging piece 16 is placed on a step block 3, the hole needing flanging of the flanging piece 16 faces to a through hole, a pressing block 8 moves right to press the flanging piece 16, the flanging punch 9 performs flanging on the hole of the flanging piece 16 to the right, finally, the flanging punch 14 is contacted with the left end of an ejection block 7, the ejection punch 14 moves right to compress the ejection spring 6, the edge turned by the hole of the flanging piece 16 is positioned in the through hole 4, after the flanging is finished, the flanging punch 9 and the pressing block 8 move left, the ejection spring 6 stretches out, the ejection block 7 pushes left end to the left, the left end of the ejection block 7 is contacted with the edge turned by the edge of the hole of the flanging piece 16 to eject the flanging piece 16, and finally, the left end of the ejection block 7 is limited by the step part 11 and the limiting groove 10.
Claims (6)
1. A small flanging ejector comprises a mounting block (1), wherein a supporting block (2) is arranged on the side surface of the mounting block (1);
the method is characterized in that: a step block (3) protrudes from the left side of the supporting block (2); the flanging piece is Z-shaped, the top of the flanging piece is positioned at the tops of the mounting block (1) and the supporting block (2), the middle of the flanging piece is attached to the left side of the supporting block (2), and the bottom of the flanging piece is positioned on the step block (3);
a through hole (4) which is transversely communicated is formed in the middle in the supporting block (2), a mounting groove (5) which is communicated with the through hole (4) is formed in the mounting block (1) and is positioned in the through hole (4), an ejection spring (6) is arranged in the mounting groove (5), the left side of the ejection spring (6) is connected with an ejection block (7), and the ejection block (7) extends into the through hole (4);
a pressing block (8) is arranged on the left side of the supporting block (2), the middle part of the pressing block (8) is positioned at the through hole (4) and transversely penetrates through the flanging punching column (9), and the pressing block (8) and the flanging punching column (9) are respectively connected with a power source to drive movement;
the right end of the flanging punching column (9) is provided with a detachable flanging punching head (14).
2. The small flange ejector according to claim 1, characterized in that: the right end of the through hole (4) is provided with a limiting groove (10), the diameter of the limiting groove (10) is larger than that of the main body of the through hole (4) and is step-shaped, and the right end of the ejection block (7) is provided with a step part (11) matched with the limiting groove (10).
3. The small flange knockout of claim 2, characterized in that: the thickness of step portion (11) is less than the thickness of spacing groove (10) to step portion (11) can move in spacing groove (10), and spacing groove (10) left end is spacing.
4. The small flange knockout of claim 3, characterized in that: when the left end of the step part (11) abuts against the left end of the limiting groove (10), the spring is in a normal telescopic state, and the left end of the ejection block (7) is in contact with the flanging piece for ejection.
5. The small flange ejector according to claim 1, characterized in that: the middle part of the left side of the ejection block (7) is provided with a hollow groove (12).
6. The small flange ejector according to claim 1, characterized in that: a threaded rod (13) protrudes from the right end of the flanging punching column (9), a flanging punch (14) is installed on the threaded rod (13) in a threaded mode, and a threaded cavity (15) matched with the threaded rod (13) is formed in the left portion of the flanging punch (14); the flanging punch (14) comprises a plurality of flanging punches (14) with different sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240934.9A CN114210796A (en) | 2021-10-25 | 2021-10-25 | Small flanging ejector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240934.9A CN114210796A (en) | 2021-10-25 | 2021-10-25 | Small flanging ejector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114210796A true CN114210796A (en) | 2022-03-22 |
Family
ID=80696081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111240934.9A Pending CN114210796A (en) | 2021-10-25 | 2021-10-25 | Small flanging ejector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114210796A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200441A (en) * | 1992-01-28 | 1993-08-10 | Amada Metrecs Co Ltd | Burring die |
| CN201267850Y (en) * | 2008-07-18 | 2009-07-08 | 重庆长安汽车股份有限公司 | Workpiece hole flanging and discharging mechanism of die |
| CN203875244U (en) * | 2014-03-31 | 2014-10-15 | 武汉华滋东江汽车零部件有限公司 | Flanging ejecting device in automobile punching part flanging process |
| CN105710251A (en) * | 2014-12-03 | 2016-06-29 | 天津汽车模具股份有限公司 | Hole flanging ejector |
| CN108097805A (en) * | 2017-12-11 | 2018-06-01 | 郑州诚合信息技术有限公司 | A kind of flanging die with automatic material jacking mechanism |
| CN112620441A (en) * | 2020-12-07 | 2021-04-09 | 芜湖普威技研有限公司 | Hole flanging ejector |
-
2021
- 2021-10-25 CN CN202111240934.9A patent/CN114210796A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05200441A (en) * | 1992-01-28 | 1993-08-10 | Amada Metrecs Co Ltd | Burring die |
| CN201267850Y (en) * | 2008-07-18 | 2009-07-08 | 重庆长安汽车股份有限公司 | Workpiece hole flanging and discharging mechanism of die |
| CN203875244U (en) * | 2014-03-31 | 2014-10-15 | 武汉华滋东江汽车零部件有限公司 | Flanging ejecting device in automobile punching part flanging process |
| CN105710251A (en) * | 2014-12-03 | 2016-06-29 | 天津汽车模具股份有限公司 | Hole flanging ejector |
| CN108097805A (en) * | 2017-12-11 | 2018-06-01 | 郑州诚合信息技术有限公司 | A kind of flanging die with automatic material jacking mechanism |
| CN112620441A (en) * | 2020-12-07 | 2021-04-09 | 芜湖普威技研有限公司 | Hole flanging ejector |
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