CN113414277A - Multi-link scissors device - Google Patents
Multi-link scissors device Download PDFInfo
- Publication number
- CN113414277A CN113414277A CN202110776885.4A CN202110776885A CN113414277A CN 113414277 A CN113414277 A CN 113414277A CN 202110776885 A CN202110776885 A CN 202110776885A CN 113414277 A CN113414277 A CN 113414277A
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- base
- oil pressure
- cutting die
- fixed
- link
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- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000010008 shearing Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 21
- 238000004080 punching Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013070 direct material Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a multi-connecting-rod scissor device which comprises a base and a fixed seat arranged above the base; the two sides between the base and the fixed seat are symmetrically provided with a guide connecting mechanism for connecting the base and the fixed seat; still including setting up in the below of fixing base and being located the oil pressure that is used for shearing the coil stock between base and the fixing base and shearing the mechanism, thereby set up in the base top and be located the below that oil pressure shearing mechanism is used for controlling the oil pressure and shears the mechanism lift and carry out the supporting mechanism that shears to the coil stock, thereby, the oil pressure is sheared mechanism top and is equipped with down cutting die fixed plate, be equipped with the draw-in groove on the cutting die fixed plate down and be used for installing cutting die down, the fixing base below is equipped with cutting die fixed plate, it is used for installing the cutting die to be equipped with the draw-in groove on the cutting die fixed plate. The invention has the advantages that the process of punching and feeding the coil stock is reduced, the coil stock can be directly conveyed, the coil stock can also be cut into sheets with fixed sizes for conveying, the working efficiency is high, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of coil stock cutting, in particular to a multi-connecting-rod scissors device.
Background
In the punching industry, when a part of punching machines punch, the feeding generally has two forms, namely sheet material and coil material, when the coil material is conveyed, a common die continuously feeds the material, but sometimes the sheet material needs to be cut and the material is fed in sections so as to facilitate the punching of the punching machines, and at the moment, a cutting device needs to be used; but the existing cutting device and the coil stock are separately carried out during feeding, the efficiency is lower, and the coil stock needs to be adjusted again during conveying the coil stock, so that the subsequent punching of the coil stock is facilitated.
In view of the above, there is a need for an improved cutting device that can accommodate the needs of the present, staged roll-feed cutting applications.
Disclosure of Invention
Some punches need tailor the coil stock into the tablet of fixed dimension when carrying the coil stock to the punch press carries out the punching press, just need be with tailorring the device this moment, but the needs that we used can not be satisfied to the current device of tailorring, therefore we have designed a scissors device on the basis of prior art defect, can reduce the process before the coil stock material loading, but direct material loading, then cut, fill the pressure again, efficiency improves greatly, and the people of being convenient for use.
The multi-connecting-rod scissor device comprises a base and a fixed seat arranged above the base; the two sides between the base and the fixed seat are symmetrically provided with a guide connecting mechanism for connecting the base and the fixed seat; further comprising:
the oil pressure shearing mechanism is arranged below the fixed seat and positioned between the base and the fixed seat and is used for shearing the coil stock;
the supporting mechanism is arranged above the base and positioned below the oil pressure shearing mechanism and used for controlling the oil pressure shearing mechanism to lift so as to shear the coiled material;
the oil pressure shearing mechanism is characterized in that a lower cutting die fixing plate is arranged above the oil pressure shearing mechanism, a clamping groove is formed in the lower cutting die fixing plate and used for mounting a lower cutting die, an upper cutting die fixing plate is arranged below the fixing seat, and a clamping groove is formed in the upper cutting die fixing plate and used for mounting an upper cutting die.
In addition to the technical scheme, pin holes and via holes are respectively formed above and below the pilot connection mechanism; the base is provided with a tooth hole and a pin hole; the fixed seat is provided with a through hole and a pin hole; the guide connecting mechanism is fixedly connected with the base and the fixed seat through pins and lead screws.
The technical scheme is further supplemented, and the supporting mechanism comprises a telescopic oil cylinder, a jacking plate arranged above the telescopic oil cylinder and link mechanisms symmetrically arranged at two sides of the jacking plate; the telescopic oil cylinder is fixedly arranged on the base, and the jacking plate is connected with the telescopic oil cylinder; the base is symmetrically provided with fixed blocks at two sides of the jacking plate, and the fixed blocks are fixedly arranged on the base; the connecting rod mechanism is respectively connected with the fixed block, the jacking plate and the oil pressure shearing mechanism through the fixed shaft.
The technical scheme is further supplemented, the connecting rod mechanism comprises three connecting rods, the end parts of the three connecting rods are respectively connected with the fixed block, the jacking plate and the oil pressure shearing mechanism through fixed shafts, and the three connecting rods are arranged in a herringbone mode.
In addition to the technical scheme, the fixed shaft is further provided with a shaft sleeve.
In addition to the technical scheme, the surface of the fixed shaft is provided with an oil filling hole.
To further supplement the technical scheme, two ends of the fixed shaft are respectively provided with an oil hole.
According to the technical scheme, the guide shafts are arranged on two sides below the jacking plate.
To this technical scheme's further replenishment, be located oil pressure shearing mechanism both sides lead still vertical installation in the coupling mechanism and lead positive piece, lead positive piece and oil pressure shearing mechanism and pass through the fastener and be connected, the oil pressure is cut and is located the front and back side of leading positive piece in the mechanism and still is equipped with supplementary piece, supplementary piece and oil pressure shearing mechanism pass through the fastener and are connected, the oil pressure is cut and is equipped with no oily bush in the mechanism.
In addition to the technical scheme, an included angle of 0.3 degrees is formed between the clamping groove on the upper cutting die fixing plate and the horizontal plane.
The automatic coil feeding device has the beneficial effects that the process of punching and feeding the coil is reduced, the coil can be directly conveyed, the coil can be cut into sheets with fixed sizes to be conveyed, the working efficiency is high, and the application range is wide.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structural installation of the present invention;
in the figure, 1, a base; 2. a fixed seat; 3. an oil pressure shearing mechanism; 4. a support mechanism; 5. a lower cutting die fixing plate; 6. a cutting die is arranged; 7. an upper cutting die fixing plate; 8. feeding a cutting die; 9. a screw rod; 10. a pin; 11. a telescopic oil cylinder; 12. a jacking plate; 13. a link mechanism; 14. a fixed block; 15. a fixed shaft; 16. a pilot shaft; 17. a guide block; 18. a fastener; 19. an auxiliary block; 20. an oilless bushing; 21. a pilot connection mechanism.
Detailed Description
In the punching industry, when a part of punching machines punch, the material sheets are divided into sheet materials and coil materials, when some punching machines transmit the coil materials, the coil materials need to be cut into the material sheets with fixed sizes so as to facilitate the punching of the punching machines, and at the moment, a cutting device is needed; the invention mainly aims to enable a punch press to directly convey coil materials when conveying and punching the coil materials and also to cut the coil materials into pieces with fixed sizes for conveying; the application range of automatic feeding is increased, and the efficiency is greatly improved.
Firstly, the invention comprises a base 1 which plays a supporting role and a fixed seat 2 arranged above the base 1; the two sides between the base 1 and the fixed seat 2 are symmetrically provided with a pilot connection mechanism 21 for connecting the base 1 and the fixed seat 2; the oil pressure shearing mechanism 3 for shearing the coil stock is arranged between the base 1 and the fixed seat 2, the guide connecting mechanism 21 can limit two sides of the oil pressure shearing mechanism 3 to a certain extent, the lower cutting die fixing plate 5 is arranged above the oil pressure shearing mechanism 3, the lower cutting die fixing plate 5 is provided with a clamping groove for mounting the lower cutting die 6, the lower fixing seat 2 is provided with the upper cutting die fixing plate 7, the upper cutting die fixing plate 7 is provided with a clamping groove for mounting the upper cutting die 8, the coil stock can be sheared by matching the upper cutting die 8 and the lower cutting die 6, the use is convenient, furthermore, an included angle of 0.3 degrees is formed between the clamping groove on the upper cutting die fixing plate 7 and the horizontal plane, and the cutting die can be conveniently mounted in the oil pressure shearing mechanism to better shear the coil stock; the device for adjusting the upper cutting die 8 and the lower cutting die 6 before the working of the device.
Because the roll stock has two working states, one is normal conveying, the other is conveying after cutting the material sheet with fixed size, but during conveying, the related positions of the upper cutting die 8 and the lower cutting die 6 may affect the conveying of the roll stock, therefore, a supporting mechanism 4 is arranged above the base 1 and below the oil pressure shearing mechanism 3 to control the height of the oil pressure shearing mechanism 3, and further adjust the height between the lower cutting die 6 and the upper cutting die 8, so as to facilitate the normal conveying of the roll stock or the conveying after cutting the roll stock, and the supporting mechanism 4 comprises a telescopic oil cylinder 11, a lifting plate 12 arranged above the telescopic oil cylinder 11 and link mechanisms 13 symmetrically arranged at two sides of the lifting plate 12; the telescopic oil cylinder 11 is fixedly arranged on the base 1, and the jacking plate 12 is connected with the telescopic oil cylinder 11; the telescopic rod on the telescopic oil cylinder 11 can drive the jacking plate 12 to move up and down, the jacking plate 12 can drive the link mechanism 13 to move up and down along with the jacking plate when moving up and down, the fixed seats 2 are symmetrically arranged on the two sides of the jacking plate 12 on the base 1, and the fixed seats 2 are fixedly arranged on the base 1; the link mechanism 13 is connected with the fixed seat 2, the jacking plate 12 and the oil pressure shearing mechanism 3 through the fixed shaft 15, the link mechanism 13 comprises three connecting rods, the end parts of the three connecting rods are connected with the fixed seat 2, the jacking plate 12 and the oil pressure shearing mechanism 3 through the fixed shaft 15, the arrangement of the three connecting rods is in a herringbone shape, and therefore when the link mechanism 13 moves up and down, the oil pressure shearing mechanism 3 can be driven to move up and down within a certain range.
Because the related mechanisms are damaged possibly in the using process and need to be maintained, in order to facilitate disassembly, pin holes and through holes are respectively formed above and below the guide connecting mechanism 21; the base 1 is provided with a tooth hole and a pin hole; the fixed seat 2 is provided with a through hole and a pin hole; the guide connecting mechanism 21 is fixedly connected with the base 1 and the fixed seat 2 through the pin 10 and the screw rod 9, and is convenient to detach and use.
In the using process, the contact time and the contact range of the fixed shaft 15 and the link mechanism 13, the fixed seat 2, the jacking plate 12 and the oil pressure shearing mechanism 3 are also relatively long, so that relatively large friction force is easily generated to influence the work of the device, in order to reduce the friction force caused by direct contact, a shaft sleeve (not shown) is further arranged on the fixed shaft 15, in order to avoid excessive mechanical abrasion caused by long-time use, an oil filling hole is formed in the surface of the fixed shaft 15, and in order to facilitate regular maintenance of the link, oil filling holes are respectively formed in two ends of the fixed shaft 15.
In order to better position and guide the material sheet, guide blocks 17 are vertically arranged in guide connecting mechanisms 21 at two sides of an oil pressure shearing mechanism 3, the guide blocks 17 are connected with the oil pressure shearing mechanism 3 through fasteners 18, auxiliary blocks 19 are arranged at the front side and the rear side of the guide blocks 17 on the oil pressure shearing mechanism 3, the auxiliary blocks 19 are connected with the oil pressure shearing mechanism 3 through fasteners 18, guide shafts 16 are arranged at two sides below a jacking plate 12 and are matched with the guide blocks 17 and the auxiliary blocks 19 at two sides, so that the positioning precision is improved to a greater extent, the mechanical loss is reduced, and an oilless bushing 20 is arranged on the oil pressure shearing mechanism 3; used for lubricating the guide shaft 16, the lower cutting die 6 and the fixed end of the connecting rod.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The multi-connecting-rod scissor device is characterized by comprising a base (1) and a fixed seat (2) arranged above the base (1); two sides between the base (1) and the fixed seat (2) are symmetrically provided with a pilot connection mechanism (21) for connecting the base (1) and the fixed seat (2); further comprising:
the oil pressure shearing mechanism (3) is arranged below the fixed seat (2) and positioned between the base (1) and the fixed seat (2) and is used for shearing the coiled materials;
the supporting mechanism (4) is arranged above the base (1) and below the oil pressure shearing mechanism (3) and used for controlling the oil pressure shearing mechanism (3) to lift so as to shear the coiled material;
wherein, mechanism (3) top is sheared to oil pressure is equipped with down cutting die fixed plate (5), be equipped with the draw-in groove on cutting die fixed plate (5) down and be used for installing cutting die (6) down, fixing base (2) below is equipped with cutting die fixed plate (7), it is used for installing cutting die (8) to be equipped with the draw-in groove on cutting die fixed plate (7).
2. The multi-link scissors device according to claim 1, wherein pin holes and through holes are respectively formed above and below the pilot connection mechanism (21); the base (1) is provided with a tooth hole and a pin hole; the fixed seat (2) is provided with a through hole and a pin hole; the guide connecting mechanism (21) is fixedly connected with the base (1) and the fixed seat (2) through a pin (10) and a screw rod (9).
3. The multi-link scissors device according to claim 2, wherein the supporting mechanism (4) comprises a telescopic cylinder (11), a lifting plate (12) disposed above the telescopic cylinder (11), and link mechanisms (13) symmetrically disposed at both sides of the lifting plate (12); the telescopic oil cylinder (11) is fixedly arranged on the base (1), and the jacking plate (12) is connected with the telescopic oil cylinder (11); the base (1) is symmetrically provided with fixed blocks (14) at two sides of the jacking plate (12), and the fixed blocks (14) are fixedly arranged on the base (1); the connecting rod mechanism (13) is respectively connected with the fixed block (14), the jacking plate (12) and the oil pressure shearing mechanism (3) through a fixed shaft (15).
4. A multi-link scissor device according to claim 3, wherein the link mechanism (13) comprises three links, the ends of the three links are connected with the fixed block (14), the lifting plate (12) and the oil pressure shearing mechanism (3) respectively through a fixed shaft (15), and the three links are arranged in a herringbone shape.
5. A multi-link scissor arrangement according to claim 4, wherein a bushing is further provided on the stationary shaft (15).
6. A multi-link scissor arrangement according to any of claims 1 to 5, wherein the surface of the stationary shaft (15) is provided with oil filling holes.
7. A multi-link scissor arrangement according to claim 6, wherein both ends of the stationary shaft (15) are provided with oil holes, respectively.
8. A multi-link scissor apparatus according to claim 3 wherein a centering shaft (16) is provided on both sides below the lift plate (12).
9. The multi-link scissors device according to claim 8, wherein a pilot block (17) is vertically installed in the pilot connecting mechanism (21) on both sides of the oil pressure shearing mechanism (3), the pilot block (17) is connected with the oil pressure shearing mechanism (3) through a fastener (18), an auxiliary block (19) is further arranged on the oil pressure shearing mechanism (3) on the front side and the rear side of the pilot block (17), the auxiliary block (19) is connected with the oil pressure shearing mechanism (3) through the fastener (18), and an oil-free bushing (20) is arranged on the oil pressure shearing mechanism (3).
10. The multi-link scissors device according to claim 1, wherein the slot on the upper blade die fixing plate (7) has an angle of 0.3 ° with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776885.4A CN113414277A (en) | 2021-07-09 | 2021-07-09 | Multi-link scissors device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776885.4A CN113414277A (en) | 2021-07-09 | 2021-07-09 | Multi-link scissors device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113414277A true CN113414277A (en) | 2021-09-21 |
Family
ID=77720572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110776885.4A Pending CN113414277A (en) | 2021-07-09 | 2021-07-09 | Multi-link scissors device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113414277A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334190A (en) * | 2000-07-21 | 2002-02-06 | 爱达工程株式会社 | Slide block connecting-rod type press |
| DE102007024710A1 (en) * | 2007-05-25 | 2008-11-27 | Zahoransky Ag | Blister-pack machine has a punch-out station with a blanking/punching die for punching blisters out of a foil strip and a driving mechanism for moving blanking-/punching-die parts |
| CN201907210U (en) * | 2010-12-07 | 2011-07-27 | 重庆市蔡氏液压设备有限公司 | Novel guide system for hydraulic machine |
| CN202242027U (en) * | 2011-09-01 | 2012-05-30 | 苏州市越海拉伸机械有限公司 | Hydraulic thin plate blanking machine |
| DE102012003839A1 (en) * | 2012-02-29 | 2013-08-29 | Zahoransky Ag | Blister packaging system, has control computer monitoring force absorption of lifting unit and calculating tolerance value, where toggle lever movement is influenced during excess of cut-off threshold |
| CN103302890A (en) * | 2013-06-26 | 2013-09-18 | 合肥海德数控液压设备有限公司 | Slide block guide adjusting device of framework hydraulic press |
| CN104384592A (en) * | 2014-09-22 | 2015-03-04 | 南通恒鼎重型机床有限公司 | Hydraulic knuckle-lever transmission gate type plate shearing machine |
| CN204248067U (en) * | 2014-11-26 | 2015-04-08 | 武汉钢铁(集团)公司 | A kind of lower cut hydraulic plate shears |
| CN104741682A (en) * | 2015-04-10 | 2015-07-01 | 康凤明 | Novel hydraulic connecting rod plate shearing machine |
| CN105729870A (en) * | 2016-05-04 | 2016-07-06 | 东莞市国一精密机械有限公司 | Punching machine sliding block mechanism |
| CN106142626A (en) * | 2016-08-11 | 2016-11-23 | 沃得精机(中国)有限公司 | Plate fine blanking hydraulic press |
| CN208020800U (en) * | 2018-03-24 | 2018-10-30 | 高丽元 | A kind of die mould cutting integration machine |
| CN111790837A (en) * | 2020-09-09 | 2020-10-20 | 苏州青林自动化科技有限公司 | Novel metal feeder |
-
2021
- 2021-07-09 CN CN202110776885.4A patent/CN113414277A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334190A (en) * | 2000-07-21 | 2002-02-06 | 爱达工程株式会社 | Slide block connecting-rod type press |
| DE102007024710A1 (en) * | 2007-05-25 | 2008-11-27 | Zahoransky Ag | Blister-pack machine has a punch-out station with a blanking/punching die for punching blisters out of a foil strip and a driving mechanism for moving blanking-/punching-die parts |
| CN201907210U (en) * | 2010-12-07 | 2011-07-27 | 重庆市蔡氏液压设备有限公司 | Novel guide system for hydraulic machine |
| CN202242027U (en) * | 2011-09-01 | 2012-05-30 | 苏州市越海拉伸机械有限公司 | Hydraulic thin plate blanking machine |
| DE102012003839A1 (en) * | 2012-02-29 | 2013-08-29 | Zahoransky Ag | Blister packaging system, has control computer monitoring force absorption of lifting unit and calculating tolerance value, where toggle lever movement is influenced during excess of cut-off threshold |
| CN103302890A (en) * | 2013-06-26 | 2013-09-18 | 合肥海德数控液压设备有限公司 | Slide block guide adjusting device of framework hydraulic press |
| CN104384592A (en) * | 2014-09-22 | 2015-03-04 | 南通恒鼎重型机床有限公司 | Hydraulic knuckle-lever transmission gate type plate shearing machine |
| WO2016045166A1 (en) * | 2014-09-22 | 2016-03-31 | 南通恒鼎重型机床有限公司 | Hydraulic toggle lever transmission brake type plate shearing machine |
| CN204248067U (en) * | 2014-11-26 | 2015-04-08 | 武汉钢铁(集团)公司 | A kind of lower cut hydraulic plate shears |
| CN104741682A (en) * | 2015-04-10 | 2015-07-01 | 康凤明 | Novel hydraulic connecting rod plate shearing machine |
| CN105729870A (en) * | 2016-05-04 | 2016-07-06 | 东莞市国一精密机械有限公司 | Punching machine sliding block mechanism |
| CN106142626A (en) * | 2016-08-11 | 2016-11-23 | 沃得精机(中国)有限公司 | Plate fine blanking hydraulic press |
| CN208020800U (en) * | 2018-03-24 | 2018-10-30 | 高丽元 | A kind of die mould cutting integration machine |
| CN111790837A (en) * | 2020-09-09 | 2020-10-20 | 苏州青林自动化科技有限公司 | Novel metal feeder |
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Application publication date: 20210921 |
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