CN111014427A - Side punching mechanism with movable guide block - Google Patents
Side punching mechanism with movable guide block Download PDFInfo
- Publication number
- CN111014427A CN111014427A CN201911299300.3A CN201911299300A CN111014427A CN 111014427 A CN111014427 A CN 111014427A CN 201911299300 A CN201911299300 A CN 201911299300A CN 111014427 A CN111014427 A CN 111014427A
- Authority
- CN
- China
- Prior art keywords
- guide block
- boss
- movable base
- movable guide
- punch
- 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
- 238000004080 punching Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
-
- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
- B21D45/006—Stripping-off devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention provides a side punching mechanism with a movable guide block, which comprises a sliding block seat arranged in a lower die, wherein a sliding block is arranged on the sliding block seat, a side cutting punch is arranged at the front end of the sliding block, a movable guide block which is in sliding fit connection with the sliding block seat is arranged in front of the sliding block, the movable guide block comprises a concave movable base and a boss arranged on the movable base, the front end of the boss is convexly arranged forwards to extend out of the movable base, the front end of the boss is in an inwards concave arc shape, the boss is arranged at the center of the movable base, a through hole is formed in the boss, and the sliding block slides on the sliding block seat along the concave space of the movable base to drive the side cutting punch to move in the through hole. The invention has the beneficial effects that: the punching strength of the punch and the stability of side punching are improved by providing a protection section for the head of the punch; meanwhile, the side wall of the product around the small hole is locally pressed, so that the defect of outward turning deformation of the small hole when no material is pressed can be effectively overcome.
Description
Technical Field
The invention belongs to the technical field of die processing, and particularly relates to a side punching mechanism with a movable guide block for a product with a small side hole and a small number of flanges at a mouth part.
Background
For deep-drawing products with side holes produced on a multi-station deep-drawing punch, particularly for the products with a small hole on the side wall and a small amount of flanges at the opening part. A side punching structure is generally adopted for forming the side holes, as shown in figure 1, a die core knife edge 1 is fixed in the middle of a lower fixing plate, and a product 4 is pressed into the die core knife edge 1 by an upper ejector rod to realize product positioning. The slider is assembled into the slider seat 2 in a sliding fit state after being assembled into a spring, the punch guide block 21 is tightly matched and fixed in the dovetail groove of the slider seat, the punch 3 is fixed in the slider, and the punch guide block 21 guides the head of the punch. When the die is closed, the oblique punch of the sliding block is pushed down along with the buoyancy lifting plate and then contacts the inclined plane of the sliding block, so that the punch 3 is driven to move forward and enter the die core knife edge 1 to complete the lateral punching.
However, since the product mouth has a small number of flanges 41, in order to avoid interference between the product flanges 41 and the guide blocks 21, the guide blocks 21 must be spaced apart from the outer edges of the product flanges 41 to make room for the product to be smoothly ejected and enter the lower mold. That is to say, the head is unsettled when punching the hole of punch 3 and releases the state, simultaneously, because the product side opening is less, very easily breaks apart when the punch head is unprotected, in addition because the wall is thin and can't press the material to the product from the outside, the hole edge has the deformation tendency of turning up after punching the hole.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a side punching mechanism with a movable guide block, so that the head of a punch is protected, the outer part of a product can be pressed, and side punching is better performed.
The purpose of the invention is realized by the following technical scheme:
side blow mechanism with movable guide block, including setting up the take-up housing in the lower mould, be provided with a slider on the take-up housing, the slider front end is provided with the side and cuts the punching pin, the place ahead of slider be provided with one with the movable guide block that the take-up housing sliding fit is connected, the activity guide block is including being concave movable base and setting up the boss on movable base, the front end of boss is protruding to be established forward and is extended movable base, the front end of boss is indent arc form, indent arc with the surface arc cooperation of product, the boss is arranged in movable base center, set up a through-hole that is used for the side to cut the punching pin to get into on the boss, the slider is in the take-up on the take-up slide housing slide in movable base's spill space, drive the side is cut the punching pin and is in the through-hole internal motion.
Preferably, the movable base comprises two L-shaped bent side wings arranged at the bottoms of the bosses, and the side wings are bent towards the direction of the sliding block to form an L-shaped surrounding concave space.
Preferably, the rear end of the movable base is provided with an inclined plane.
Preferably, a reset through hole is formed in the movable base, a spring is arranged in the reset through hole, one end of the spring is abutted to the mold insert knife edge, the abutted end of the spring and the mold insert knife edge is located below the product flange, and the other end of the spring is arranged in the sliding block and used for being matched with the sliding block to reset.
Preferably, the reset through hole is arranged right below the boss.
Preferably, the inclined plane on the movable base is matched with the inclined plane of the side thrust inclined punch fixed on the floating plate, and the side thrust inclined punch is arranged in an inner-outer split mode and comprises an inner side thrust inclined punch and an outer side thrust inclined punch coated on the outer side of the inner side thrust inclined punch.
Preferably, the inclined plane of the outer side oblique pushing punch is matched with the inclined plane of the movable base.
Preferably, the inclined surface of the inner side oblique pushing punch is matched with the inclined surface of the sliding block.
Preferably, the distance that the boss extends out of the movable base is greater than the width of the flange of the product.
Preferably, the side wings are provided with counter bores, and linear springs are arranged in the counter bores.
The invention has the beneficial effects that: the protection section is provided for the head of the punch, so that the punching strength of the punch and the stability of side punching are improved, and meanwhile, the defect of outward turning deformation of the small hole when no material is pressed can be effectively overcome by locally pressing the side wall of a product around the small hole.
Drawings
FIG. 1: the invention discloses a schematic diagram of a side punching structure in the prior art.
FIG. 2: the invention has a schematic structure.
FIG. 3: the invention is a schematic three-dimensional structure.
FIG. 4: the invention also discloses a three-dimensional structure diagram of another visual angle.
FIG. 5: the invention is used in the die with a schematic structure.
Detailed Description
The technical solution of the present invention is described in detail with reference to the following embodiments, and the present invention discloses a side punching mechanism with a movable guide block, which is shown in fig. 2-3, and includes a slider seat 14 disposed in a lower die, a slider 13 is disposed on the slider seat 14, and a side cutting punch 12 is disposed at a front end of the slider 13. The side cutting punch 12 can adopt a split type side cutting punch to be better suitable for punching of products. During assembly, the slider 13 is assembled from the rear end thereof.
The sliding block seat 14 is also provided with a movable guide block 15 in a sliding fit mode, and the movable guide block 15 is arranged in front of the sliding block 13. The movable guide block 15 comprises a concave movable base 151 and a boss 152 arranged on the movable base 151, the front end of the boss 152 is protruded forwards to extend out of the movable base 151, the front end of the boss 152 is in an inward concave arc shape, and the inward concave arc is matched with the arc shape of the outer surface of the product 10, so that when the product 10 is punched, the front end of the boss 152 can press the punching area of the product 10, and the outward turning deformation of the material is avoided when the product is punched. In order not to affect the placement of the product, the boss 152 extends beyond the movable base 151 by a distance greater than the width of the flange of the product.
The boss 152 is arranged in the center of the movable base 151, the movable base 151 comprises two L-shaped bent side wings arranged at the bottom of the boss 152, and the side wings are bent towards the direction of the sliding block to form a concave space in an L shape. The boss 152 is provided with a through hole for the side cutting punch 12 to enter, and the slider 13 slides in the concave space of the movable base 151 on the slider seat 14 to drive the side cutting punch 12 to move in the through hole.
An inclined plane is arranged at the upper part of the rear end of the movable base 151, a reset through hole 153 is formed in the movable base 151, and the reset through hole 153 is arranged under the boss. A spring is arranged in the reset through hole 153, and one end of the spring is abutted against the die core knife edge 9. In order to avoid interference with a flange of a product, the abutting end of the spring and the die core knife edge is positioned below the flange of the product. The other end of the spring is arranged in the sliding block 13 and is used for matching with the resetting of the sliding block 13. In order to provide the restoring force for the movable guide block 15, a counter bore 154 is formed in the side wing, and a linear spring is disposed in the counter bore.
The inclined plane on the movable base 151 is matched with the inclined plane of the side-pushing inclined punch 11 fixed on the floating plate 4. The buoyancy lifting plate 4 is arranged on the lower die base 2 through a buoyancy lifting bolt assembly 17. The side thrust inclined punch 11 is provided in an inner and outer split type, and includes an inner side thrust inclined punch 111 and an outer side thrust inclined punch 112 covering the outer side of the inner side thrust inclined punch 111. The inclined plane of the outer side oblique pushing punch 112 is matched with the inclined plane of the movable base, and the inclined plane of the inner side oblique pushing punch 111 is matched with the inclined plane of the sliding block. The side push inclined punch 11 is connected with the floating plate 4, namely the side push inclined punch 11 is pressed and locked by a screw plug locked into the side surface of the floating plate 4.
The following description, in conjunction with fig. 5, illustrates the principle of the present invention in practical use in a mold:
and a product 10 is fed into the die core knife edge 9 through the feeding split clamp 5, and the top of the product is pressed through the upper ejector rod 6 fixed on the upper fixed block 7 during die assembly. Go up fixed block 7 contact buoyancy lift plate 4, buoyancy lift plate 4 drives the side and pushes away inclined punch 11 and push down, the inclined plane contact slider 13 and the inclined plane of activity guide block 15 of side thrust inclined punch 11 promote both to be in to product 10 direction slider seat 14 removes, works as behind the boss 152 contact product, because the effect of activity base 151 restricts it and continues to move ahead, the terminal surface is pressed before the blanking department of treating of product 10 is by the arc of boss 152 this moment. The slide block 13 continues to move forward under the action of the side-push inclined punch 11, and drives the side-cutting punch 12 to penetrate into the product 10 to complete side punching.
When the mold is opened, the floating plate 4 and the upper fixed block 7 return to the original position to drive the side thrust inclined punch 11 to move upwards, and the sliding block 13 and the movable guide block 15 retreat and return to the original position successively under the action of the spring until the movable guide block completely lets the product open. And ejecting the product after the side punching through a lower ejector rod 1 of the die.
The invention has simple and compact structure, realizes independent movement of the two sliding parts without interference, has no influence on the leading-in and the ejecting of the product, achieves the elastic material pressing effect of the progressive die by a simple and practical structure, and improves the product quality.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
There are, of course, many other specific embodiments of the invention and these are not to be considered as limiting. All technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the claimed invention.
Claims (10)
1. Side blow mechanism with movable guide block, its characterized in that: including setting up the take-up housing in the lower mould, be provided with a slider on the take-up housing, the slider front end is provided with the side and cuts the punching press, the place ahead of slider be provided with one with the movable guide block that the take-up housing sliding fit is connected, the movable guide block is including being concave movable base and setting up the boss on movable base, the front end of boss is protruding to be established forward and is extended movable base, the front end of boss is indent arc form, indent arc with the surface arc cooperation of product, the boss is arranged in movable base center, set up a through-hole that is used for the side to cut the punching press and gets into on the boss, the slider is in follow on the take-up housing slide in movable base's spill space, drive the side is cut the punching press and is in the through-hole internal motion.
2. The sidepunch mechanism having a movable guide block according to claim 1, wherein: the movable base comprises two L-shaped bent side wings arranged at the bottom of the boss, and the side wings are bent towards the direction of the sliding block to form an L-shaped surrounding concave space.
3. The sidepunch mechanism having a movable guide block according to claim 1, wherein: the rear end of the movable base is provided with an inclined plane.
4. The sidepunch mechanism having a movable guide block according to claim 1, wherein: the movable base is provided with a reset through hole, a spring is arranged in the reset through hole, one end of the spring is abutted to the mold insert knife edge, the abutted end of the spring and the mold insert knife edge is located below the product flange, and the other end of the spring is arranged in the sliding block and used for being matched with the sliding block to reset.
5. The sidepunch mechanism having a movable guide block according to claim 4, wherein: the reset through hole is arranged right below the boss.
6. The sidepunch mechanism having a movable guide block according to claim 3, wherein: the inclined plane on the movable base is matched with the inclined plane of the side thrust inclined punch fixed on the floating plate, and the side thrust inclined punch is arranged in an inner-outer split mode and comprises an inner side thrust inclined punch and an outer side thrust inclined punch coated on the outer side of the inner side thrust inclined punch.
7. The sidepunch mechanism having a movable guide block according to claim 6, wherein: the inclined plane of the outer side pushing inclined punch is matched with the inclined plane of the movable base.
8. The sidepunch mechanism having a movable guide block according to claim 7, wherein: the inclined plane of the inner side pushing inclined punch is matched with the inclined plane of the sliding block.
9. The sidepunch mechanism having a movable guide block according to claim 1, wherein: the distance that the lug boss extends out of the movable base is larger than the width of the flange of the product.
10. The sidepunch mechanism having a movable guide block according to claim 2, wherein: the side wings are provided with counter bores, and linear springs are arranged in the counter bores.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299300.3A CN111014427A (en) | 2019-12-17 | 2019-12-17 | Side punching mechanism with movable guide block |
| PCT/CN2020/110250 WO2021120657A1 (en) | 2019-12-17 | 2020-08-20 | Side punching mechanism having movable guide block |
| US17/481,241 US20220001437A1 (en) | 2019-12-17 | 2021-09-21 | Side punching mechanism with movable guide block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911299300.3A CN111014427A (en) | 2019-12-17 | 2019-12-17 | Side punching mechanism with movable guide block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111014427A true CN111014427A (en) | 2020-04-17 |
Family
ID=70209680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911299300.3A Pending CN111014427A (en) | 2019-12-17 | 2019-12-17 | Side punching mechanism with movable guide block |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20220001437A1 (en) |
| CN (1) | CN111014427A (en) |
| WO (1) | WO2021120657A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229052A (en) * | 2022-06-16 | 2022-10-25 | 上海工程技术大学 | Stainless steel long circular blanking, deep drawing, side punching and forming multi-station progressive die |
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| CN113369366A (en) * | 2021-07-21 | 2021-09-10 | 宁波继峰科技有限公司 | Notching device for automobile armrest framework |
| CN113664111B (en) * | 2021-08-13 | 2023-09-08 | 深圳市创益通技术股份有限公司 | Bending forming die with high precision, high stability and high convenience and process |
| CN113617921B (en) * | 2021-08-17 | 2023-08-29 | 重庆神缘智能科技有限公司 | Intelligent gas meter shell side punching equipment of thing networking |
| CN118143148B (en) * | 2024-05-10 | 2024-07-16 | 广东益家管业有限公司 | Forming tool for thin-wall stainless steel water pipe connecting piece |
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| CN202779384U (en) * | 2012-07-17 | 2013-03-13 | 四川奥格科技有限公司 | Punching die with convex dies capable of moving horizontally |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229052A (en) * | 2022-06-16 | 2022-10-25 | 上海工程技术大学 | Stainless steel long circular blanking, deep drawing, side punching and forming multi-station progressive die |
| CN115229052B (en) * | 2022-06-16 | 2024-02-13 | 上海工程技术大学 | Stainless steel oblong blanking, deep drawing, side punching and forming multi-station progressive die |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021120657A1 (en) | 2021-06-24 |
| US20220001437A1 (en) | 2022-01-06 |
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| CB02 | Change of applicant information |
Address after: 215000 Emei Mountain Road, 80 hi tech Zone, Jiangsu, Suzhou Applicant after: Suzhou Helin Micro Technology Co., Ltd Address before: 215163 No. 80 Emeishan Road, Suzhou High-tech Zone, Jiangsu Province Applicant before: SUZHOU UIGREEN MICRO&NANO TECHNOLOGY Co.,Ltd. |
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