CN103252533B - Metal band lateral bending straightening machine - Google Patents
Metal band lateral bending straightening machine Download PDFInfo
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- CN103252533B CN103252533B CN201310172309.4A CN201310172309A CN103252533B CN 103252533 B CN103252533 B CN 103252533B CN 201310172309 A CN201310172309 A CN 201310172309A CN 103252533 B CN103252533 B CN 103252533B
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- trimming
- coarse positioning
- feed spool
- metal tape
- feeding
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Abstract
The invention discloses a metal band lateral bending straightening machine. The metal band lateral bending straightening machine comprises a feeding mechanism, a feeding electromotor, a coarse positioning mechanism, a processing mechanism, a processing mechanism electromotor, a fine positioning mechanism and a rack, wherein the feeding mechanism is connected with the feeding electromotor through a driving belt, the feeding mechanism is fixed on the rack, the coarse positioning mechanism is arranged at the position of a discharge outlet of the feeding mechanism, the processing mechanism is arranged at the position of a discharge outlet of the coarse positioning mechanism, the processing mechanism is fixed on the rack, the processing mechanism is connected with the processing mechanism electromotor through a driving belt, the fine positioning mechanism is arranged at the position of a discharge outlet of the processing mechanism, the fine positioning mechanism is fixed on the rack, and the discharge outlet of the feeding mechanism, the discharge outlet of the coarse positioning mechanism, the discharge outlet of the processing mechanism and the discharge outlet of the fine positioning mechanism are formed in the same horizontal plane. The metal band lateral bending straightening machine is low in cost and is used for improving lateral bending of raw materials of frames, thus high-quality TO-220 plastic package frames can be produced, and vocational level of the semiconductor production industry of out country can be improved.
Description
Technical field
The lateral bending that the present invention relates to a kind of semiconductor plastic package 220 framework raw material metal band repaiies straight device, is specifically related to a kind of metal tape lateral bending straightener.
Background technology
Copper strips is a kind of hardware, and product specification has 0.1 ~ 3 × 50 ~ 250mm various state copper strips product, mainly for the production of electric elements, lamp holder, battery cap, button, seal, connector, main as conduction, heat conduction, anti-corrosion equipment.As the various parts such as electric components, switch, packing ring, pad, electron tube, radiator, conduction mother metal and radiator, fin, cylinder sheet.The semiconductor plastic package 220 shell frame products overwhelming majority qualification rate that present electronics field is produced is not high, 220 particularly high-end products, a very important reason is wherein had to be that framework required for plastic packaging is produced has lateral bending (horizontal curved), reason of searching to the bottom is that the red copper of framework manufacturer is with lateral bending, if and select high-end copper belt producer, just lateral bending problem can be improved greatly, but cost just improves doubly a lot, originally framework manufacturer is exactly to earn meagre profit by amount, if adopt high-end copper belt, just lose more than gain.So, the lateral bending of framework copper strips is improved and just seems imperative.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of metal tape lateral bending straightener is provided, high to semiconductor plastic package framework production cost in prior art to be solved, the problems such as poor product quality.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of metal tape lateral bending straightener, comprises feed mechanism, feeding motor, coarse positioning mechanism, organisation of working, organisation of working motor, precise locating mechanism and frame; Described feed mechanism is connected by driving-belt with described feeding motor; Described feed mechanism is fixed in frame; Described coarse positioning organization establishes is in feed mechanism discharge outlet, and described organisation of working is arranged on coarse positioning mechanism discharge outlet; Described organisation of working is fixed in frame; Described organisation of working is connected by driving-belt with described organisation of working motor; Described precise locating mechanism is arranged on organisation of working discharge outlet, and described precise locating mechanism is fixed in frame; Described feed mechanism discharging opening, described coarse positioning mechanism discharging opening, organisation of working discharging opening, fine positioning charging aperture are in same level.
Further technical scheme is that feed mechanism comprises feeding bottom plate, and described feeding bottom plate is fixedly connected with frame; Described feeding bottom plate is provided with the first feeding back-up block, described first feeding back-up block is provided with lower feed spool holder; Lower feed spool is provided with in described lower feed spool holder; Described lower feed spool holder is connected by lower adjusting screw(rod) with described first feeding back-up block; Described lower feed spool is provided with lower drawing-inroller; Be provided with the second feeding back-up block above described first feeding back-up block, described second feeding back-up block is provided with feed spool holder on second; Be provided with feed spool in described upper feed spool holder, described upper feed spool is provided with drawing-inroller; Described second feeding back-up block top is provided with feeding cover plate; Described upper feed spool holder is connected by upper adjusting screw(rod) with described feeding cover plate; Described upper feeding holder top is provided with adjusting screw(rod) pressing plate; Described upper adjustment screw tip is provided with regulating wheel.
Further technical scheme is that upper feed spool to comprise on first feed spool on feed spool and second; On described second, feed spool is connected with feed spool on described first; Described upper feed spool is step feed spool, and described lower feed spool is all step feed spools.
Further technical scheme is that upper adjusting screw(rod) top is provided with regulating nut.
Further technical scheme is that coarse positioning mechanism comprises: the first coarse positioning base plate, at least one second coarse positioning base plate and at least two coarse positioning guide plates; Described two coarse positioning guide plates are laterally arranged side by side; Described first coarse positioning base plate is fixed in frame; Described second coarse positioning base plate is fixed on described first coarse positioning base plate; Described coarse positioning guide plate is fixed on described second coarse positioning base plate.
Further technical scheme is that the metal tape porch of the second coarse positioning base plate is provided with guiding gradient; The metal tape porch of described coarse positioning guide plate is provided with guiding gradient; Described coarse positioning guide plate is provided with step; Distance between the coarse positioning guide plate that described two transverse directions are arranged side by side is greater than the width of described metal tape.
Further technical scheme is that organisation of working comprises the first trimming base, the second trimming base and the 3rd trimming base; Described first trimming base is fixed in frame, and described second trimming base is fixed in frame, and described 3rd trimming base is fixed in frame; Described 3rd trimming base is arranged between described first trimming base and the second trimming base; Trimming axle is provided with in described first trimming base and the second trimming base; Described first trimming base is provided with the first binder axle holder, described second trimming base is provided with the second binder axle holder; Trimming binder axle is provided with in described first binder axle holder and the second binder axle holder; Described trimming binder axle is positioned at above the 3rd trimming base; Described trimming binder axle is provided with trimming pressure wheel; Described trimming axle is provided with trimming blade; Described 3rd trimming base is provided with blade locating piece.
Further technical scheme is that trimming blade is connected by key with described trimming axle.
Further technical scheme is that precise locating mechanism comprises: the first fine positioning base plate, the second fine positioning base plate and fine positioning guide plate; Described first fine positioning base plate is fixed in frame, and described second fine positioning base plate is fixed on described first fine positioning base plate, and described fine positioning guide plate is fixed on described second fine positioning base plate; Described fine positioning guide plate is detachable connection with described second fine positioning base plate.
Further technical scheme is that the metal tape porch of the second fine positioning base plate is provided with guiding gradient; The metal tape porch of described fine positioning guide plate is provided with guiding gradient.
Compared with prior art, one of beneficial effect of the present invention is: the improvement frame raw material lateral bending equipment that the invention provides a kind of low cost, thus produces the TO-220 plastic packaging framework of high-quality, and then improves the professional skill of China's semiconductor production industry.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of one embodiment of the invention.
Fig. 2 is one embodiment of the invention feeding machine structure schematic diagram.
Fig. 3 is one embodiment of the invention feed mechanism partial structurtes schematic diagrames.
Fig. 4 is one embodiment of the invention coarse positioning mechanism structure schematic diagram.
Fig. 5 is one embodiment of the invention organisation of working structural representation.
Fig. 6 is one embodiment of the invention precise locating mechanism structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, Fig. 1 shows the general structure schematic diagram of one embodiment of the invention.The present embodiment metal tape lateral bending straightener, comprises feed mechanism 6, feeding motor 5, coarse positioning mechanism 7, organisation of working 8, organisation of working motor 4, precise locating mechanism 9 and frame 1; Feed mechanism 6 is connected by driving-belt with feeding motor 5; Feed mechanism 6 is fixed in frame 1; Feed mechanism 6 discharge outlet is provided with coarse positioning mechanism 7, and coarse positioning mechanism 7 discharge outlet is provided with organisation of working 8; Organisation of working 8 is fixed in frame 1; Organisation of working 8 is connected by driving-belt with organisation of working motor 4; Organisation of working 8 discharge outlet is provided with precise locating mechanism 9, and precise locating mechanism 9 is fixed in frame 1; Feed mechanism discharging opening, described coarse positioning mechanism discharging opening, organisation of working discharging opening, fine positioning charging aperture are in same level.Power distribution cabinet 3 is provided with in frame 1.As the embodiment having choosing, in the present embodiment, frame 1 surrounding is closed by corrosion resistant plate 2.
As shown in Fig. 2, Fig. 3, Fig. 2 shows feeding machine structure schematic diagram in the present embodiment, and Fig. 3 shows the partial structurtes schematic diagram of feed mechanism in the present embodiment.Feed mechanism comprises feeding bottom plate 11, and feeding bottom plate 11 is fixedly connected with frame; Feeding bottom plate 11 is provided with the first feeding back-up block, the first feeding back-up block is provided with lower feed spool holder; Lower feed spool is provided with in lower feed spool holder; Lower feed spool holder is connected by lower adjusting screw(rod) with the first feeding back-up block; Lower feed spool is provided with lower drawing-inroller; Metal tape 10 is placed on lower drawing-inroller.Be provided with above first feeding back-up block on the second feeding back-up block 12, second feeding back-up block 12 and be provided with feed spool holder 13 on second; Be provided with feed spool in upper feed spool holder, described upper feed spool is provided with drawing-inroller; Second feeding back-up block top is provided with feeding cover plate 15; Upper feed spool holder 13 is connected by upper adjusting screw(rod) 16 with feeding cover plate 15; Upper adjusting screw(rod) 16 top is provided with regulating nut 17; Upper feeding holder 13 top is provided with adjusting screw(rod) pressing plate 14; Upper adjustment screw tip is provided with regulating wheel, adds regulating wheel on adjusting screw(rod) top, can be regulated the gap of upper and lower drawing-inroller by adjusting screw(rod), and is fixed adjusting screw(rod) position with nut.In the present embodiment, upper feed spool to comprise on first feed spool 21 on feed spool 23 and second; On second, feed spool is connected with feed spool on first; As preferred embodiment, in the present embodiment, upper feed spool is step feed spool, and lower feed spool is all step feed spools, ensures that drawing-inroller is requiring that position can not vibration back and forth.Metal tape 20 is moved by the rotation of drawing-inroller.In the present embodiment, feeding back-up block all adopts pin location up and down, to ensure the status requirement of material strip at fore-and-aft direction, to guarantee the enforcement of follow-up correcting operation.Feeding back-up block thickness direction need ensure requirement, and after guaranteeing assembling feeding bearing baffle 22, bearing to be unlikely in feed spool holder vibration back and forth.Feed spool needs the length ensureing localization part, adopts key to be connected with drawing-inroller mating part.
As shown in Figure 4, Fig. 4 shows the structural representation of coarse positioning mechanism in the present embodiment.Coarse positioning mechanism comprises: the first coarse positioning base plate 31, at least one second coarse positioning base plate 32 and at least two coarse positioning guide plates 33; Two coarse positioning guide plates are laterally arranged side by side; Specific embodiment is provided with eight coarse positioning guide plates and two the second coarse positioning base plates in the present embodiment.First coarse positioning base plate 31 is fixed in frame; Second coarse positioning base plate 32 is fixed on the first coarse positioning base plate 31; Coarse positioning guide plate 33 is fixed on the second coarse positioning base plate 32.As preferred embodiment, in the present embodiment, the metal tape porch of the second coarse positioning base plate is provided with guiding gradient; The metal tape porch of coarse positioning guide plate is provided with guiding gradient, to ensure that metal tape enters smoothly; Metal tape height needs and in epimere operation, feed section matches.The selection of the first coarse positioning base plate and the second coarse positioning floor length is main not to be as the criterion at double swerve with reference to metal tape.Coarse positioning guide plate is provided with step; And the distance between the coarse positioning guide plate that is arranged side by side of two transverse directions is greater than the width of described metal tape.First coarse positioning base plate in the present embodiment, the second coarse positioning base plate, coarse positioning guide plate all adopts pin to locate, and ensures its status requirement.
As shown in Figure 5, Fig. 5 shows the structural representation of organisation of working in the present embodiment.Organisation of working comprises the first trimming base 41, second trimming base 42 and the 3rd trimming base 43; First trimming base 41 is fixed by a pin in frame, and the second trimming base 42 is fixed by a pin in frame, and the 3rd trimming base 43 is fixed by a pin in frame; 3rd trimming base 43 is arranged between described first trimming base 41 and the second trimming base 42; Trimming axle 44 is provided with in first trimming base 41 and the second trimming base 42; Trimming axle is plugged in the first trimming base 41 and the second trimming base 42, and trimming axle 44 is positioned at above the 3rd trimming base 43.First trimming base 41 is provided with on the first binder axle holder 416, second trimming base 42 and is provided with the second binder axle holder 426; Two binder axle holders are all separately fixed on the first trimming base and the second trimming base by pin.Trimming binder axle 45 is provided with in first binder axle holder 416 and the second binder axle holder 426; Trimming binder axle 45 is positioned at above the 3rd trimming base 43; Described trimming binder axle is provided with trimming pressure wheel 49; Trimming axle 44 is provided with trimming blade 47, trimming blade is used for cutting metal band 441; 3rd trimming base is provided with blade locating piece 440.As preferred embodiment, in the present embodiment, limit blade 47 is connected by key with trimming axle 44.According to the total height of leading portion coarse positioning height matching design first trimming base 41, second trimming base 42, highly unanimously.Trimming pressure wheel pushes down material strip, allows cutting edge cutting metal band.As preferred embodiment, in the present embodiment, cutting edge 47 edge of a knife adopts high-speed steel to make.The belt drive trimming axle of organisation of working threephase asynchronous, on trimming axle, trimming blade is connected by key, ensures that blade rotates with the axis, and ensures that cutting does not have burr.The position degree of trimming is determined by Step Shaft and trimming locating piece.The step part of material strip is pushed down by the step of trimming pressure wheel, to ensure to be unlikely to material strip left and right vibration in working angles in working angles.The length of the first trimming base 41 is consistent with the step part of trimming axle, to ensure that Step Shaft is unlikely to vibration in trimming base, thus ensures the position of blank band.The position of the first trimming base is located by pin, and leading portion coarse positioning ensures at a line.3rd trimming base 43 upper surface has metal tape to pass through, and in the present embodiment, the 3rd trimming base adopts high abrasion resisting material, and leading portion pan feeding part is provided with guiding gradient.In the present embodiment, the first trimming base 41 is consistent with the height of the second trimming base 42, and the total height that the first trimming base 41 and the 3rd trimming base 43 are added is consistent with the total height of coarse positioning.In the present embodiment, the second trimming base 42 and the first trimming base 41 add pin to determine the position of binder axle holder.In the present embodiment, trimming pressure wheel 49 two ends are provided with stop collar 48, for the trimming pressure wheel centerlock by centre.
As shown in Figure 6, Fig. 6 shows precise locating mechanism structural representation in the present embodiment.Precise locating mechanism comprises: the first fine positioning base plate 51, second fine positioning base plate 52 and fine positioning guide plate 53; First fine positioning base plate 51 is fixed in frame, and the second fine positioning base plate 52 is fixed on described first fine positioning base plate 51, and fine positioning guide plate 53 is fixed on the second fine positioning base plate 52; Fine positioning guide plate 53 and the second fine positioning base plate are connected by screw.As preferred embodiment, in the present embodiment, the metal tape porch of the second fine positioning base plate 52 is provided with guiding gradient; The metal tape porch of fine positioning guide plate is provided with guiding gradient.Owing to will ensure that the lateral bending of material strip within 2 meters after cutting is in 0.1mm, thus in the present embodiment precise locating mechanism have enough length, thus better ensure the lateral bending of material strip.First fine positioning base plate 51 is consistent with the total height of coarse positioning mechanism before and organisation of working with the total height that the second fine positioning base plate 52 is added.Because metal tape 50 need flow on the second fine positioning base plate 52 and fine positioning guide plate 53, in the present embodiment, the second fine positioning base plate 52 and fine positioning guide plate 53 adopt high abrasion resisting material, and highly polished.Owing to will ensure to comprise feed section, coarse positioning part, chip portion and fine positioning part are on the same line, and the base plate adopted in the present embodiment is all made with pin hole with machining center on the same line, ensure that it is on the same line by another fixture.Be provided with 20 fine positioning guide plates in the present embodiment, fine positioning guide plate becomes two row side by side configuration, and two row gap widths are less than the width of metal tape.In the present embodiment, fine positioning guide plate structure is consistent with coarse positioning guide plate structure.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to the multiple explanatory embodiment of inventing, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of the open claim of the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. a metal tape lateral bending straightener, is characterized in that: comprise feed mechanism, feeding motor, coarse positioning mechanism, organisation of working, organisation of working motor, precise locating mechanism and frame; Described feed mechanism is connected by driving-belt with described feeding motor; Described feed mechanism is fixed in frame; Described coarse positioning organization establishes is in feed mechanism discharge outlet, and described organisation of working is arranged on coarse positioning mechanism discharge outlet; Described organisation of working is fixed in frame; Described organisation of working is connected by driving-belt with described organisation of working motor; Described precise locating mechanism is arranged on organisation of working discharge outlet, and described precise locating mechanism is fixed in frame; Described feed mechanism discharging opening, described coarse positioning mechanism discharging opening, organisation of working discharging opening, fine positioning charging aperture are in same level.
2. metal tape lateral bending straightener according to claim 1, it is characterized in that described feed mechanism comprises feeding bottom plate, described feeding bottom plate is fixedly connected with frame; Described feeding bottom plate is provided with the first feeding back-up block, described first feeding back-up block is provided with lower feed spool holder; Lower feed spool is provided with in described lower feed spool holder; Described lower feed spool holder is connected by lower adjusting screw(rod) with described first feeding back-up block; Described lower feed spool is provided with lower drawing-inroller; Be provided with the second feeding back-up block above described first feeding back-up block, described second feeding back-up block is provided with feed spool holder on second; Be provided with feed spool in described upper feed spool holder, described upper feed spool is provided with drawing-inroller; Described second feeding back-up block top is provided with feeding cover plate; Described upper feed spool holder is connected by upper adjusting screw(rod) with described feeding cover plate; Described upper feeding holder top is provided with adjusting screw(rod) pressing plate; Described upper adjustment screw tip is provided with regulating wheel.
3. metal tape lateral bending straightener according to claim 2, is characterized in that described upper feed spool to comprise on first feed spool on feed spool and second; On described second, feed spool is connected with feed spool on described first; Described upper feed spool is step feed spool, and described lower feed spool is all step feed spools.
4. metal tape lateral bending straightener according to claim 2, is characterized in that described upper adjusting screw(rod) top is provided with regulating nut.
5. metal tape lateral bending straightener according to claim 1, is characterized in that described coarse positioning mechanism comprises: the first coarse positioning base plate, at least one second coarse positioning base plate and at least two coarse positioning guide plates; Described two coarse positioning guide plates are laterally arranged side by side; Described first coarse positioning base plate is fixed in frame; Described second coarse positioning base plate is fixed on described first coarse positioning base plate; Described coarse positioning guide plate is fixed on described second coarse positioning base plate.
6. metal tape lateral bending straightener according to claim 5, is characterized in that the metal tape porch of the second described coarse positioning base plate is provided with guiding gradient; The metal tape porch of described coarse positioning guide plate is provided with guiding gradient; Described coarse positioning guide plate is provided with step; Distance between the coarse positioning guide plate that described two transverse directions are arranged side by side is greater than the width of described metal tape.
7. metal tape lateral bending straightener according to claim 1, is characterized in that described organisation of working comprises the first trimming base, the second trimming base and the 3rd trimming base; Described first trimming base is fixed in frame, and described second trimming base is fixed in frame, and described 3rd trimming base is fixed in frame; Described 3rd trimming base is arranged between described first trimming base and the second trimming base; Trimming axle is provided with in described first trimming base and the second trimming base; Described first trimming base is provided with the first binder axle holder, described second trimming base is provided with the second binder axle holder; Trimming binder axle is provided with in described first binder axle holder and the second binder axle holder; Described trimming binder axle is positioned at above the 3rd trimming base; Described trimming binder axle is provided with trimming pressure wheel; Described trimming axle is provided with trimming blade; Described 3rd trimming base is provided with blade locating piece.
8. metal tape lateral bending straightener according to claim 7, is characterized in that described trimming blade is connected by key with described trimming axle.
9. metal tape lateral bending straightener according to claim 1, is characterized in that described precise locating mechanism comprises: the first fine positioning base plate, the second fine positioning base plate and fine positioning guide plate; Described first fine positioning base plate is fixed in frame, and described second fine positioning base plate is fixed on described first fine positioning base plate, and described fine positioning guide plate is fixed on described second fine positioning base plate; Described fine positioning guide plate is detachable connection with described second fine positioning base plate.
10. metal tape lateral bending straightener according to claim 9, is characterized in that the metal tape porch of the second described fine positioning base plate is provided with guiding gradient; The metal tape porch of described fine positioning guide plate is provided with guiding gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172309.4A CN103252533B (en) | 2013-05-10 | 2013-05-10 | Metal band lateral bending straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172309.4A CN103252533B (en) | 2013-05-10 | 2013-05-10 | Metal band lateral bending straightening machine |
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| Publication Number | Publication Date |
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| CN103252533A CN103252533A (en) | 2013-08-21 |
| CN103252533B true CN103252533B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310172309.4A Active CN103252533B (en) | 2013-05-10 | 2013-05-10 | Metal band lateral bending straightening machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10203447C1 (en) * | 2002-01-30 | 2003-06-26 | Fischer Maschf Karl E | Strip shears for steel strip has multiple section conveyor or steel strip with under supports adjacent to cutting blades |
| CN101579707A (en) * | 2008-05-16 | 2009-11-18 | 矿山机械和轧钢机械制造有限公司 | Method and apparatus for leveling metal strip |
| CN202715881U (en) * | 2012-07-24 | 2013-02-06 | 孙晓东 | Metal strap shearer |
| CN203245437U (en) * | 2013-05-10 | 2013-10-23 | 成都尚明工业有限公司 | Metal strap lateral bending straightening machine |
-
2013
- 2013-05-10 CN CN201310172309.4A patent/CN103252533B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10203447C1 (en) * | 2002-01-30 | 2003-06-26 | Fischer Maschf Karl E | Strip shears for steel strip has multiple section conveyor or steel strip with under supports adjacent to cutting blades |
| CN101579707A (en) * | 2008-05-16 | 2009-11-18 | 矿山机械和轧钢机械制造有限公司 | Method and apparatus for leveling metal strip |
| CN202715881U (en) * | 2012-07-24 | 2013-02-06 | 孙晓东 | Metal strap shearer |
| CN203245437U (en) * | 2013-05-10 | 2013-10-23 | 成都尚明工业有限公司 | Metal strap lateral bending straightening machine |
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| CN103252533A (en) | 2013-08-21 |
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