CN103785891B - A kind of Novel rotary cut bead cutter - Google Patents
A kind of Novel rotary cut bead cutter Download PDFInfo
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- CN103785891B CN103785891B CN201410010931.XA CN201410010931A CN103785891B CN 103785891 B CN103785891 B CN 103785891B CN 201410010931 A CN201410010931 A CN 201410010931A CN 103785891 B CN103785891 B CN 103785891B
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- rotary cut
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- 239000011324 bead Substances 0.000 title claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000009966 trimming Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000002360 explosive Substances 0.000 description 3
- 241000274582 Pycnanthus angolensis Species 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
<b> the present invention relates to sheet metal part manufacture field, be specifically related to a kind of Novel rotary cut bead cutter, this Novel rotary cut bead cutter passes through the first transmission device by power transmission to eccentric shaft, by the slipper push working table movement on eccentric shaft, owing to there is blind spot when slide block moves on the table, cannot make that workbench is complete to rotate a circle.Fixed head is provided with skewback and promotes cylinder, when slide block movement, skewback promotes cylinder and movable workbench skewback is inserted slider bore and slide block gap location between the two, workbench can be made to stablize and rotate complete one week, its service behaviour is more stable, and operating efficiency is higher.</b>
Description
Technical field
the present invention relates to sheet metal part manufacture field, particularly a kind of Novel rotary cut bead cutter.
Background technology
no matter be the lid series products of metal, plastics or other material, the product after stamping, due to edge out-of-flatness, often all needs the product with clout to carry out trimming.Generally speaking, trimming is carried out for metal stretching part, utilize common punch press to complete shear operation, need the step through trimming, finishing.Need the shape according to this tensioning member, feature, punch press needs a point process for the trimming of several, and this trimming operation Problems existing is: complex procedures, inefficiency, production cost are high.In addition, because operation common punch press works repeatedly, and rely on manual operations, labour intensity is larger, and because metal stretching part is through the out-of-flatness of trimming processing back edge, needs to cut unnecessary rim charge and repair.
at present, for the technique of trimming, finishing, major part method is all that employing internal mold and an external mold are by four direction, point four trimmings on punch press, this trimming Problems existing is that complex procedures, inefficiency, mould are fragile, particularly when clout height in edge is inconsistent, or with the product of the tensioning members such as circular arc, trimming operation is more complicated, existing bead cutter connects driving wheel, centre wheel and four cams successively by power set and rotates, but when four cams rotarily drive workbench work, performance is stable not, and production efficiency is lower.
Summary of the invention
for solving the problem, namely object of the present invention is the Novel rotary cut bead cutter providing a kind of service behaviour more stable.
the object of the invention is to be achieved through the following technical solutions:
a kind of Novel rotary cut bead cutter of the present invention, its outside combinationally uses with set of molds, described set of molds comprises the patrix and counterdie that carry out pressing trimming, described Novel rotary cut bead cutter mainly comprises: frame, guide pillar, controls electronic box, drive disk assembly, for by power transmission to the first power set of drive disk assembly, cope match-plate pattern, for controlling second power set moved up and down of described cope match-plate pattern;
described drive disk assembly comprises: eccentric shaft, fixed head, workbench; Described fixed head is fixedly mounted on guide pillar, described fixed head offers hole, axle position; Described workbench is arranged on fixed head top, for installing described counterdie; An axle position of described eccentric shaft is arranged in hole, described axle position, and described another axle position eccentric is arranged with slide block; Described workbench bottom offers slider bore, for installing described slide block; Described eccentric shaft moves for the powered workbench transmitting the first power set; The skewback described fixed head is provided with by controlling electronic box control promotes cylinder, and described skewback promotes cylinder and is connected with movable workbench skewback; Described movable workbench skewback is used for when slide block movement, fill the gap that described slide block and slider bore produce.
further, described drive disk assembly also includes: driving shaft, central shaft; Described first power set, driving shaft, central shaft, eccentric shaft connect successively; described driving shaft is arranged with driving shaft gear; described central shaft is arranged with the central shaft gear engaged with driving shaft gear, described eccentric shaft is arranged with the eccentric shaft gear with central shaft gears meshing; Described slide block is eccentric wheel axle sleeve.
further, the quantity of described eccentric shaft is one to four, is uniformly distributed centered by central shaft; Described control electronic box is for controlling the first power set and the second power set carry out power transmission; Described first power set are arranged on frame lower, and described cope match-plate pattern is set on guide pillar, for installing described patrix; Described second power set are arranged on guide pillar top.
further; described frame is provided with correcting cylinder; described correcting cylinder is connected with pilot pin, described workbench offers the correcting pin-and-hole for inserting described pilot pin, is also provided with the eccentric wheel axle sleeve copper sheathing for the protection of eccentric shaft in described eccentric wheel axle sleeve.
further, described first power set are motor, and described second power set are cylinder apparatus or air cylinder device.
further, the described first power set oil hydraulic system that is hydraulic motor and is connected with this hydraulic motor; Described second power set are the cylinder apparatus be connected with this oil hydraulic system, and described cylinder apparatus comprises oil cylinder and oil cylinder connector, described oil cylinder are provided with the first magnetic valve controlling described oil cylinder speed.
further, described cope match-plate pattern includes: the second cope match-plate pattern being socketed in the first cope match-plate pattern on frame guide pillar successively and being fixedly connected with this first cope match-plate pattern; Described second cope match-plate pattern middle position is provided with through hole, and described through hole arranges the patrix of described set of molds for installing, and described first cope match-plate pattern is used for the top of fixing described patrix, and described second power set control described first cope match-plate pattern and move up and down.
further, the guide pillar of described frame is disposed with the first inductor and the second inductor that are connected alternately with described control electronic box, described first inductor and the second inductor respond to the motion of described patrix and counterdie respectively; The guide pillar of described frame is also provided with the infrared ray dividing level signal to be connected alternately with described first inductor and the second inductor and protects inductor, the bottom of described frame is provided with the initial point inductor for responding to the first power set homing.
further, described fixed head is provided with the spacing set screw assembly for reducing patrix and counterdie contact area; Described frame lower is provided with the reset detection assembly whether resetted for testing platform, and described reset detection assembly is made up of reset detection cylinder and connected reset detection pin.
wherein, the bottom of described counterdie is provided with buoyant oil cylinder or cylinder, the buoyant pin that described buoyant oil cylinder or cylinder are provided with buoyant plate and are connected with this buoyant plate, described buoyant oil cylinder or cylinder is provided with the second magnetic valve for controlling described buoyant oil cylinder or cylinder speed; Being provided with between described workbench and fixed head for reducing the ball dish rubbed, in described ball dish, being provided with ball.
a kind of Novel rotary cut bead cutter provided by the invention, by the first transmission device by power transmission to eccentric shaft, by the slipper push working table movement on eccentric shaft, owing to there is blind spot when slide block moves on the table, cannot make that workbench is complete to rotate a circle.Fixed head is provided with skewback and promotes cylinder, when slide block movement, skewback promotes cylinder and movable workbench skewback is inserted slider bore and slide block gap location between the two, workbench can be made to stablize and rotate complete one week, its service behaviour is more stable, and operating efficiency is higher.
Accompanying drawing explanation
for ease of illustrating, the present invention is described in detail by following preferred embodiment and accompanying drawing.
fig. 1 is a kind of Novel rotary cut of the present invention bead cutter front schematic view;
fig. 2 is a kind of angle explosive view of a kind of Novel rotary cut of the present invention bead cutter;
fig. 3 is the another kind of angle explosive view of a kind of Novel rotary cut of the present invention bead cutter;
fig. 4 is drive disk assembly explosive view in a kind of Novel rotary cut of the present invention bead cutter;
fig. 5 is the non-insert state figure of movable workbench skewback in a kind of Novel rotary cut of the present invention bead cutter;
fig. 6 is movable workbench skewback insert state figure in a kind of Novel rotary cut of the present invention bead cutter;
fig. 7 is the structure chart of spacing set screw assembly in a kind of Novel rotary of the present invention cut bead cutter;
fig. 8 is the structure chart of reset detection assembly in a kind of Novel rotary cut of the present invention bead cutter.
Detailed description of the invention
in order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
refer to Fig. 1-5 and Fig. 8, a kind of Novel rotary cut bead cutter of the present invention, its outside combinationally uses with set of molds, this set of molds comprises the patrix and counterdie 21 that carry out pressing trimming, this Novel rotary cut bead cutter mainly comprises: frame 1, control electronic box 2, first power set, be arranged in frame 1 and be connected with these first power set, the power of these the first power set carried out the drive disk assembly that transmits, being set on the guide pillar 12 of frame 1, for installing the cope match-plate pattern of patrix, being arranged on frame 1 top, controlling the second power set of moving up and down of cope match-plate pattern.This drive disk assembly comprises driving shaft 32, central shaft 37, the eccentric shaft 34 of power transmission successively, in this frame 1, fixed cover is provided with fixed head 43, this fixed head 43 offers hole, axle position, this fixed head 43 is provided with the workbench 29 for installing this counterdie 21, this workbench 29 bottom offers slider bore.The quantity of this eccentric shaft 34 can be one to four, and as preferably, the quantity of this eccentric shaft 34 is set to two, is uniformly distributed centered by central shaft 37.
this frame 1 is provided with correcting cylinder 26, this correcting cylinder 26 is connected with pilot pin, this workbench 29 offering the correcting pin-and-hole 56 for inserting this pilot pin, pilot pin being socketed correcting guide 54 through correcting pin-and-hole 56, for resetting to the workbench 29 after rotating a circle.An axle position of this eccentric shaft 34 is arranged in this hole, axle position, another axle position of this eccentric wheel 34 is socketed with eccentric wheel axle sleeve copper sheathing 36 successively, eccentric wheel axle sleeve 35, the eccentric wheel axle sleeve 35 that its size is less than this slider bore is installed in this slider bore, when eccentric wheel axle sleeve 35 moves in slider bore, a blind spot can be there is in start bit, workbench 29 cannot move, trimming cannot completely be carried out, , therefore the skewback controlled by control electronic box 2 is installed on this fixed head 43 and promotes cylinder 25, this skewback promotes cylinder 25 and is connected with movable workbench skewback 30, concrete as Fig. 5-6, when eccentric wheel axle sleeve 35 move to produce gap with slider bore time, cylinder 25 push work platform of promoting skewback moves skewback 30 and is inserted into by movable workbench skewback 30 in the gap that slider bore and eccentric wheel axle sleeve 35 produce, due to the filling of movable workbench skewback 30, the position that cannot move to before namely workbench 29 can move to by the motion of eccentric wheel axle sleeve 35, workbench 29 can completely be rotated a circle.As preferably, this push work platform moves when skewback 30 can select eccentric wheel axle sleeve 35 and slider bore to produce maximal clearance and inserts.After trimming completes, when the gap that slider bore and eccentric wheel axle sleeve 35 produce is less times greater than movable workbench skewback 30, the control that movable workbench skewback 30 promotes cylinder 25 by skewback is extracted out rapidly from gap, and pass through the effect of correcting cylinder 26, workbench 29 is carried out initial point reset, for trimming is prepared next time.
wherein, this driving shaft 32 is arranged with driving shaft gear 39, this central shaft 37 is arranged with the central shaft gear 38 engaged with driving shaft gear 39, this eccentric shaft 34 is arranged with the eccentric shaft gear 40 engaged with central shaft gear 38.Driving shaft 32 upper end is provided with driving shaft upper bearing (metal) 31, and lower end is provided with driving shaft lower bearing 42.Eccentric shaft 34 upper end is provided with eccentric shaft upper bearing (metal) 33, and lower end is provided with eccentric shaft lower bearing 41.Central shaft 37 lower end is provided with central shaft lower bearing 55.Being provided with between this workbench 29 and fixed head 43 for reducing the ball dish rubbed, in this ball dish, being provided with ball.
further, these first power set are motor, and these second power set are cylinder apparatus or air cylinder device.As preferably, the oil hydraulic system 3 that these first power set are hydraulic motor 4 and are connected by oil pipe 5 with this hydraulic motor 4, the power transmission shaft on this hydraulic motor 4 connects driving shaft 32 by hydraulic motor mounting flange 49, driving sleeve 27 and propeller shaft tube 48; These second power set are the cylinder apparatus be connected by oil pipe 6 with this oil hydraulic system 3, and this cylinder apparatus comprises oil cylinder 7 and oil cylinder connector 10, this oil cylinder 7 are provided with the first magnetic valve controlling this oil cylinder speed.This cope match-plate pattern includes: the second cope match-plate pattern 15 being socketed in the first cope match-plate pattern 11 on guide pillar 12 successively and being fixedly connected with by joint pin 14 with this first cope match-plate pattern 11; This second cope match-plate pattern 15 middle position is provided with through hole, this through hole arranges the patrix of this set of molds for installing, this first cope match-plate pattern 11 is for fixing the top of this patrix, this oil cylinder 7 controls this first cope match-plate pattern 11 and moves up and down, and this first cope match-plate pattern 11 and the second cope match-plate pattern 15 are moved up and down on guide pillar 12 by guide pin bushing 13.This patrix offers the edge of a knife 17, counterdie 21 offers the lower edge of a knife 22, on this, the edge of a knife 17 and the pressing of the lower edge of a knife 22 carry out trimming to product 19.Counterdie 21 bottom connects lower edge of a knife backing plate 23, and fixed head 43 surrounds a space for holding the gear on driving shaft 32, central shaft 37, eccentric shaft 34 with machine tool gears boxboard 45 and lathe underframe 44.Oil cylinder 7 is arranged on the machine top board 9 in frame 1, and the upper end of guide pillar 12 is fixed by guide pillar nut 8 and machine top board 9, and lower end is fixed on the bottom of machine tool gears boxboard 45 by guide pillar nut collar 53, guide pillar nut 8.
further, the guide pillar 12 of this frame 1 is disposed with the first inductor 16 and the second inductor 20 be connected alternately with this control electronic box 2, this first inductor 16 and the second inductor 20 respond to the motion of this patrix and counterdie 21 respectively; The guide pillar 12 of this frame 1 is also provided with the infrared ray be connected alternately with this first inductor 16 and the second inductor 20 points of level signals and protects inductor 18, the bottom of this frame 1 is provided with the initial point inductor 28 for responding to hydraulic motor 4 homing.
this fixed head 43 is provided with the spacing set screw assembly 24 for reducing patrix and counterdie 21 contact area, this spacing set screw assembly 24 is for limiting the depth of parallelism of bolster and reducing the contact area of mould upper/lower die in trimming process, thus reach resistance that mould produces when weakening trimming, the wearing and tearing that this spacing set screw assembly 24 can make lathe produce because of resistance after installing reduce, machine stability can be higher, and concrete structure as shown in Figure 7.This frame 1 bottom is provided with the reset detection assembly 47 whether resetted for testing platform, and this reset detection assembly 47 is made up of reset detection cylinder and connected reset detection pin, and concrete structure as shown in Figure 8.The bottom of this counterdie 21 is provided with buoyant oil cylinder or cylinder, and be preferably buoyant cylinder, the buoyant pin this buoyant cylinder 46 being provided with buoyant plate and being connected with this buoyant plate, this buoyant cylinder 46 is provided with the second magnetic valve for controlling this buoyant cylinder 46 speed.
this Novel rotary cut bead cutter major part adopts standard component, and mounting or dismounting are convenient, when the open end of workpiece requires to be parallel to bottom, rotary cutting process must be adopted.Because its stamping-out direction is transverse horizontal motion, trimming is neat, so otch is attractive in appearance, through the finished metal stretching part of this Novel rotary cut bead cutter, otch is smooth, does not have burr.This Novel rotary cut bead cutter is safe and reliable, for the personal safety to operator, is provided with multiple inductor, built-in infrared line safety device, when lathe works, in stretching out one's hand if any operator, then inductor sends warning signal, thus quits work, and avoids workman and security incident occurs.
the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a Novel rotary cut bead cutter, its outside combinationally uses with set of molds, described set of molds comprises the patrix and counterdie that carry out pressing trimming, described Novel rotary cut bead cutter mainly comprises: frame, guide pillar, controls electronic box, drive disk assembly, for by power transmission to the first power set of drive disk assembly, cope match-plate pattern, for controlling second power set moved up and down of described cope match-plate pattern; It is characterized in that,
Described drive disk assembly comprises: eccentric shaft, fixed head, workbench; Described fixed head is fixedly mounted on guide pillar, described fixed head offers hole, axle position; Described workbench is arranged on fixed head top, for installing described counterdie; An axle position of described eccentric shaft is arranged in hole, described axle position, and described another axle position eccentric is arranged with slide block; Described workbench bottom offers slider bore, for installing described slide block; Described eccentric shaft moves for the powered workbench transmitting the first power set; The skewback described fixed head is provided with by controlling electronic box control promotes cylinder, and described skewback promotes cylinder and is connected with movable workbench skewback; Described movable workbench skewback is used for when slide block movement, fill the gap that described slide block and slider bore produce.
2.
a kind of Novel rotary cut bead cutter according to claim 1, it is characterized in that, described drive disk assembly also includes: driving shaft, central shaft; Described first power set, driving shaft, central shaft, eccentric shaft connect successively; described driving shaft is arranged with driving shaft gear; described central shaft is arranged with the central shaft gear engaged with driving shaft gear, described eccentric shaft is arranged with the eccentric shaft gear with central shaft gears meshing; Described slide block is eccentric wheel axle sleeve.
3.
a kind of Novel rotary cut bead cutter according to claim 2, it is characterized in that, the quantity of described eccentric shaft is one to four, is uniformly distributed centered by central shaft; Described control electronic box is for controlling the first power set and the second power set carry out power transmission; Described first power set are arranged on frame lower, and described cope match-plate pattern is set on guide pillar, for installing described patrix; Described second power set are arranged on guide pillar top.
4.
a kind of Novel rotary cut bead cutter according to claim 3; it is characterized in that; described frame is provided with correcting cylinder; described correcting cylinder is connected with pilot pin; described workbench offering the correcting pin-and-hole for inserting described pilot pin, in described eccentric wheel axle sleeve, being also provided with the eccentric wheel axle sleeve copper sheathing for the protection of eccentric shaft.
5.
a kind of Novel rotary cut bead cutter according to claim 4, it is characterized in that, described first power set are motor, and described second power set are cylinder apparatus or air cylinder device.
6.
a kind of Novel rotary cut bead cutter according to claim 4, is characterized in that, the oil hydraulic system that described first power set are hydraulic motor and are connected with this hydraulic motor; Described second power set are the cylinder apparatus be connected with this oil hydraulic system, and described cylinder apparatus comprises oil cylinder and oil cylinder connector, described oil cylinder are provided with the first magnetic valve controlling described oil cylinder speed.
7.
a kind of Novel rotary cut bead cutter according to claim 6, it is characterized in that, described cope match-plate pattern includes: the second cope match-plate pattern being socketed in the first cope match-plate pattern on frame guide pillar successively and being fixedly connected with this first cope match-plate pattern; Described second cope match-plate pattern middle position is provided with through hole, and described through hole arranges the patrix of described set of molds for installing, and described first cope match-plate pattern is used for the top of fixing described patrix, and described second power set control described first cope match-plate pattern and move up and down.
8.
a kind of Novel rotary cut bead cutter according to claim 7, it is characterized in that, the guide pillar of described frame is disposed with the first inductor and the second inductor that are connected alternately with described control electronic box, described first inductor and the second inductor respond to the motion of described patrix and counterdie respectively; The guide pillar of described frame is also provided with the infrared ray dividing level signal to be connected alternately with described first inductor and the second inductor and protects inductor, the bottom of described frame is provided with the initial point inductor for responding to the first power set homing.
9.
a kind of Novel rotary cut bead cutter according to claim 8, is characterized in that, described fixed head is provided with the spacing set screw assembly for reducing patrix and counterdie contact area; Described frame lower is provided with the reset detection assembly whether resetted for testing platform, and described reset detection assembly is made up of reset detection cylinder and connected reset detection pin.
10.
a kind of Novel rotary cut bead cutter according to claim 9, it is characterized in that, the bottom of described counterdie is provided with buoyant oil cylinder or cylinder, the buoyant pin that described buoyant oil cylinder or cylinder are provided with buoyant plate and are connected with this buoyant plate, described buoyant oil cylinder or cylinder is provided with the second magnetic valve for controlling described buoyant oil cylinder or cylinder speed; Being provided with between described workbench and fixed head for reducing the ball dish rubbed, in described ball dish, being provided with ball.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010931.XA CN103785891B (en) | 2014-01-10 | 2014-01-10 | A kind of Novel rotary cut bead cutter |
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| CN201410010931.XA CN103785891B (en) | 2014-01-10 | 2014-01-10 | A kind of Novel rotary cut bead cutter |
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| CN103785891A CN103785891A (en) | 2014-05-14 |
| CN103785891B true CN103785891B (en) | 2016-04-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028610A (en) * | 2014-06-09 | 2014-09-10 | 黄开强 | Swing type edge trimmer |
| CN112128238B (en) * | 2020-09-25 | 2022-02-22 | 无锡优尼福科技有限公司 | Joint bearing and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871801U (en) * | 2010-11-04 | 2011-06-22 | 杭州博达设计咨询有限公司 | Pipe cutting machine |
| CN102513589A (en) * | 2011-12-28 | 2012-06-27 | 二重集团（德阳）重型装备股份有限公司 | Eccentric regulating mechanism and eccentric shear blade opening degree regulating mechanism |
| CN202845914U (en) * | 2012-10-29 | 2013-04-03 | 深圳市科达利实业股份有限公司 | Double-eccentric-shaft-structured power battery shell shearing device |
| CN203664808U (en) * | 2014-01-10 | 2014-06-25 | 黄开强 | Novel rotary cut type edge trimmer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04279232A (en) * | 1991-02-08 | 1992-10-05 | Yukiro Iwazumi | Method for working sheet metal |
| KR101034852B1 (en) * | 2008-07-10 | 2011-05-17 | 원신기계공업 주식회사 | a plate side trimmer |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201871801U (en) * | 2010-11-04 | 2011-06-22 | 杭州博达设计咨询有限公司 | Pipe cutting machine |
| CN102513589A (en) * | 2011-12-28 | 2012-06-27 | 二重集团（德阳）重型装备股份有限公司 | Eccentric regulating mechanism and eccentric shear blade opening degree regulating mechanism |
| CN202845914U (en) * | 2012-10-29 | 2013-04-03 | 深圳市科达利实业股份有限公司 | Double-eccentric-shaft-structured power battery shell shearing device |
| CN203664808U (en) * | 2014-01-10 | 2014-06-25 | 黄开强 | Novel rotary cut type edge trimmer |
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Effective date of registration: 20180110 Address after: No. 9, Fucheng lane, Sifang Po community, Pingdi street, Longgang District, Shenzhen, Guangdong Patentee after: Shenzhen strong wave Machinery Equipment Co., Ltd. Address before: Zhen Jun Tang Cun Wei Heshui Guangdong province 529600 Yangjiang City cowboy Village No. 16 Co-patentee before: Liu Quangui Patentee before: Huang Kaiqiang |