CN102179459B - Mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment - Google Patents
Mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment Download PDFInfo
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- CN102179459B CN102179459B CN201110071958A CN201110071958A CN102179459B CN 102179459 B CN102179459 B CN 102179459B CN 201110071958 A CN201110071958 A CN 201110071958A CN 201110071958 A CN201110071958 A CN 201110071958A CN 102179459 B CN102179459 B CN 102179459B
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Abstract
The invention discloses a mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment. The mechanical safety device comprises a swinging mechanism and a pushing mechanism used for driving the swinging mechanism to swing to and fro; the swinging mechanism comprises an adjustable support plate which is arranged on equipment body, a curved swinging rod of which one end is rotatably connected with the adjustable support plate through a linkage shaft, and a U-shaped block which is arranged at the other end of the curved swinging rod; the adjustable support plate is provided with an adjustable tension spring seat; the adjustable tension spring seat is connected with the curved swinging rod through a tension spring; the pushing mechanism comprises an adjustable roller frame which is arranged on a rotation prevention clamp plate, and a roller which is rotatably arranged at the lower end of the adjustable roller frame; and the roller synchronously drives the curved swinging rod to swing to and fro by taking the linkage shaft as a revolving shaft while a lengthening bar of a working piston is pressed downward or lifted upward.
Description
Technical field
Present technique relates to a kind of safety device of pressing equipment configuration of airdraulic actuator driving, relates in particular to a kind of being used for through the direct conducting pressure of pressure cylinder working piston bar, acts on the mechanical safety device of the pressing equipment configuration use of miniature workpiece.
Background technology
At present; In the pressing equipment classification, relate in particular to a kind of security protection of being equipped with through the punching press of pressure cylinder working piston bar conducting pressure formula of being used for, because pressure cylinder working piston bar conducting pressure formula pressing equipment body contour structures is succinct; Compare with the machine driving pressing equipment; Under equal operating pressure condition, working range is big, and overall volume is little.Mini-type punching equipment particularly remains the main production equipments of medium-sized and small enterprises widespread usage in the punching press industry.This equipment is flexible, adapts to produce to change transition.Yet because this pressing equipment is when the small workpiece of punching press volume; All the time be unable to do without simple manual feeding operation; The operator often thin for ease, the raising speed of awareness of safety, pursue performance, abandon the safety operation mode that handheld tool picks and places workpiece indirectly, directly pick and place the workpiece zero distance contact mould punching press center that pinches with hand; Repeating to be easy to generate fatigue under the situation of operation simply, frequently, continuously.In case operate miss causes the accident of severed digit, wound finger thing of common occurrence.The permanent disability of limbs is brought misery to individual and family, and enterprise is brought harmful effect and economic loss.How to stop this dangerous phenomenon, perplexing the punch process industry always.Especially to the pressing equipment of this working piston pressure cylinder type, the working region is limited, contour structures is limited, stroke distances is limited, how to have on the potential safety hazard defective pressing equipment at this, under limited condition configuration structure simple,
The practical and reliable safety device is the emphasis that pressing equipment manufacturing and punch process industry are paid close attention to, thought deeply, research and develop, solve.
The applicant patent " safety device of mini-type punching equipment " patent No. in the prior art: 200910115760.6 have solved this potential safety hazard, and this technological characteristics of principle mainly is:
1, adopt lever construction, utilize the reciprocating mode of working piston of cylinder cleverly, on the working piston adapting rod, be provided with a switching piece, the switching piece is provided with in the crank slot that the ditch sheave is stuck in the crank slot sliding bar and slides.
2, the crank slot sliding bar is gone into the swing of back upper place to front lower place arching trajectory, is also driven the protection push and block by the mould back upper place with the working piston reciprocating motion, to the inferoanterior promotion of mould.
3, this related, interlock mode is no matter under any environmental condition, as long as patrix is descending will to produce interlocking action, in the safe distance before mould closes through the mould outside or up and down between the mould outside handle or the finger launch mode, reliable and stable assurance safety.
4, the protection push and block can be divided into levoform or the installation of right formula by operating habit and actual environment, can be divided into horizontal push and block under the single-column push and block of the mould outside, twin columns push and block or the mould, and are convenient adjustable.
This prior art is having the working piston bar, and gas-liquid power-increasing cylinder, pneumatic cylinder, oil hydraulic cylinder mini-type punching are equipped with under limited condition, and its novelty, original creation, simple Design of Mechanical Structure have broken through the blind spot of this type of device security protection.
But, find that through production practices this prior art still exists some defectives in structure and mechanism not enough:
1, because punching presses such as every gas-liquid power-increasing cylinder that has a working piston bar, pneumatic cylinder, oil hydraulic cylinder are equipped with, the working piston throw of lever distance of its cylinder has the length difference.Working piston pumps length apart from different, makes its related crank slot sliding bar amplitude of fluctuation size also different, and the amplitude of oscillation can not be controlled.
2, owing to Center of Pressure line to the body throat depth Edge Distance that has the working piston bar is limited; When working piston throw of lever distance is longer; Crank slot sliding bar amplitude of oscillation radius is inevitable to be strengthened thereupon, when radius size during greater than the throat depth size movement interference limited, the adjustment difficulty.Cause crank slot sliding bar modification, damage sometimes.
3, working piston bar fixed transfer piece is provided with ditch sheave card and in the crank slot of crank slot sliding bar, slides all the time.The switching piece moves up and down the stroke distances restriction that adjusting all receives the working piston bar in any case.To different working piston rod stroke, the crank slot sliding bar that can only mate different radii satisfies the security protection purpose.
4, owing to working piston helical rotation up-down often in the impulse stroke motion, its torsion can make safety device overall structure torsional deformation greater than mechanism's lateral force resistance load of safety device, and influence is operation normally.
5, no matter be horizontal push and block under single-column push and block, twin columns push and block or the mould, protect singlely, change part trouble and can not play simultaneously protection comprehensively.
Summary of the invention
Not enough in order to overcome the defective that exists in the prior art; Its modular construction is transformed innovation; Its motion is optimized combination, the object of the present invention is to provide a kind of rational in infrastructure, mechanical safety device that airdraulic actuator that intention is novel, simple and practical, convenient, flexible, reliable and stable drives pressing equipment.
In order to reach above purpose; The technical scheme that the present invention adopts is: a kind of airdraulic actuator drives the mechanical safety device of pressing equipment; This pressing equipment comprises the equipment body, be fixedly installed on pressure cylinder on the described equipment body, can vertically be arranged on working piston extension bar in the described pressure cylinder movably, be installed on described working piston extension bar lower end patrix, be positioned at the counterdie of described patrix below; Described equipment body is provided with the anti-rotation slide bar that can vertically move; In described working piston extension bar, the mechanical safety device that described airdraulic actuator drives pressing equipment comprises through anti-rotation clamping plate interlock in the lower end of described anti-rotation slide bar:
Swing mechanism; Described swing mechanism comprises curved fork that the adjustable supports plate, an end and the described adjustable supports plate that are arranged on the described equipment body are rotationally connected through couple axle and the U-shaped push and block that are arranged at the described curved fork other end; Adjustable extension spring seat is installed on the described adjustable supports plate, is connected through extension spring between described adjustable extension spring seat and the described curved fork; Thereby; The adjustable supports plate is fixed on the equipment body after being parallel to working piston extension bar axial line adjustment relevant position; With the couple axle is to rotate centre point, is fulcrum with adjustable extension spring seat, connects through extension spring elasticity and forms swing mechanism to the related U-shaped push and block of curved fork; And
Pushing mechanism; Described pushing mechanism comprises the adjustable roller frame that is arranged at described anti-rotation clamping plate, rotates the roller that is installed on described adjustable roller frame lower end, described roller along with described working piston extension bar press down or on lift that synchronously to drive described curved fork be the rotating shaft reciprocally swinging with described couple axle; Thereby the roller of pushing mechanism is fixed on the anti-rotation clamping plate after through adjustable roller frame adjustment relevant position, and possesses with anti-rotation slide bar, the combination of working piston extension bar and to have with pressure cylinder synchronous operation and prevent the pushing mechanism of rotating function.
According to above scheme, swing mechanism is to rotate centre point with the couple axle, and curved with the outer arc of curved fork is slideway, side retaining and the crosspiece that up and down reciprocatingly promotes to make down the U-shaped push and block at the external diameter of the roller of pushing mechanism by the back upper place of patrix to the front lower place reciprocally swinging.
Of the present invention further the improvement is that the described curved fork other end is set with the little axle that along continuous straight runs extends, and described U-shaped push and block are installed on described little axle through adjustable fixed block.
Of the present invention further the improvement is; Described U-shaped push and block have the U-shaped structure that is surrounded by side retaining and crosspiece; When described U-shaped push and block during with described curved fork reciprocally swinging, described side is kept off inswept described patrix both sides, described crosspiece is inswept described patrix below.
Of the present invention further the improvement is that described adjustable supports plate can be arranged on the described equipment body with vertically adjusting, is used to accomplish the demand position of different pressure cylinder impulse strokes.
Of the present invention further the improvement is; Described adjustable roller frame can be arranged on the described anti-rotation clamping plate with vertically adjusting, the contacting distance and can adjust according to the impulse stroke demand of pressure cylinder of the inactive state that the external diameter of the roller of pushing mechanism and the outer arc of the curved fork of swing mechanism are curved.
Of the present invention further the improvement is that described adjustable extension spring seat is put and is arranged on adjustablely on described adjustable supports plate, and the determining positions extension spring of fixed point is the center of circle and curved fork height and the amplitude of oscillation angle to the pull-up of patrix back upper place with the couple axle.
Owing to adopted above technical scheme, the present invention has the following advantages:
1, present technique is interactional again by two groups of parts separate connection combinations respectively, and its pushing mechanism utilizes the reciprocating mode of the working piston of cylinder, and swing mechanism is contacted, drives, and accomplishes the U-shaped push and block and is moved to the front lower place by the mould back upper place.This method of operation is avoided or has been reduced the interference effect to workpiece and operation in security protection punch process process.
2, present technique adopts swing mechanism and pushing mechanism split combination; The motion mode that leaves or contact in certain scope has adapted to the different condition demand of various pressure cylinder impulse stroke length distances; Under the constant situation of position that swing mechanism is set and amplitude of fluctuation; Pushing mechanism can contact the distance adjustment to swing mechanism according to the different strokes of cylinder, and is simple to operation quick.
3, split is combined in the certain limit disengaging or contacts present technique employing swing mechanism with pushing mechanism, can guarantee the tact of motion Frequency Synchronization all the time, has guaranteed the uniformity that action is accomplished.
4, present technique adopts the U-shaped push and block that the both sides and three of the bottoms of patrix are protected simultaneously; Especially novel unique walking and mode excessively at the patrix lower bottom part; In the minimum safe distance of before mould closes up and down, setting; Accomplish punch process work when directly releasing the hazardous area to finger, played practical, effectively, stable, reliable function of safety protection.
5, present technique adopts this creationary thinking of U-shaped push and block; The push and block that changed mechanical safety device are in order to avoid operative interventions and sight obstruction; Can only be arranged on die side position push and block arm and take the customary model of the dislocation of finger joint out of, especially break through the limited history that the automatic mechanical type safety device can not be set in pressing equipment space that drives at this pressure cylinder from the hazardous area.
6, the swing mechanism of present technique employing and pushing mechanism split combination; It is broken away from or contact in certain limit; All the time can guarantee the tact of motion Frequency Synchronization, guarantee the coherent uniformity that action is accomplished, no matter single-piece production or batch production process have been realized the automatic protection security protection.
7, the swing mechanism that adopts of present technique and pushing mechanism split compound mode and pressing equipment configuration performance reliably show as, and when any parts and operation control system broke down on the power source of machinery or the equipment, its security function still remained unchanged.
8, simple in structure, the stable performance of present technique, safe and reliable, with low cost, assembling easily, Nover practical, can be converted into shaping standard product and corresponding apparatus combination accessory, have economic benefit, more social benefit arranged.
Description of drawings
Accompanying drawing 1 drives the front view of the mechanical safety device of pressing equipment for airdraulic actuator of the present invention;
Accompanying drawing 2 is the left view of accompanying drawing 1;
Accompanying drawing 3 is the vertical view of accompanying drawing 1;
Accompanying drawing 4 drives the mechanical safety device and the pressing equipment combined front view of pressing equipment for airdraulic actuator of the present invention;
Accompanying drawing 5 is the left view of accompanying drawing 4;
Accompanying drawing 6 be safety device at pressing equipment initial or backhaul view;
Accompanying drawing 7 is the enlarged diagram of accompanying drawing 6;
Accompanying drawing 8 is that safety device is at the descending push and block finger of equipment state procedure sketch map;
Accompanying drawing 9 is the enlarged diagram of accompanying drawing 8;
Accompanying drawing 10 is that safety device is accomplished push and block finger view on pressing equipment;
Accompanying drawing 11 is the enlarged diagram of accompanying drawing 10;
Accompanying drawing 12 drives the U type push and block front view of the mechanical safety device of pressing equipment for airdraulic actuator of the present invention;
Accompanying drawing 13 is looked sketch map for the left side of accompanying drawing 12;
Accompanying drawing 14 is the schematic top plan view of accompanying drawing 12;
Wherein: 1, adjustable supports plate; 2, adjustable extension spring seat; 3, extension spring; 4, couple axle; 5, curved fork; 6, little axle; 7, adjustable fixed block; 8, U-shaped push and block; 9, roller; 10, adjustable roller frame; 11, anti-rotation clamping plate; 12, anti-rotation slide bar; 13, working piston extension bar; 14, equipment body; 15, pressure cylinder; 16, patrix; 17, counterdie; 18, workpiece; 19, simulation finger.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Shown in accompanying drawing 1 to accompanying drawing 5; Pressing equipment in the present embodiment comprises equipment body 14, be fixedly installed on pressure cylinder 15 on the equipment body 14, can vertically be arranged on working piston extension bar 13 in the pressure cylinder 15 movably, be installed on working piston extension bar 13 lower ends patrix 16, be positioned at the counterdie 17 of patrix 16 belows; Equipment body 14 is provided with the anti-rotation slide bar 12 that can vertically move, and anti-rotation clamping plate 11 interlocks are passed through in working piston extension bar 13 in the lower end of anti-rotation slide bar 12.
Airdraulic actuator among the figure drives the mechanical safety device of pressing equipment and is made up of swing mechanism and pushing mechanism two parts:
First: swing mechanism comprises curved fork 5 that the adjustable supports plate 1, an end and the adjustable supports plate 1 that are arranged on the equipment body 14 are rotationally connected through couple axle 4 and the U-shaped push and block 8 that are arranged at curved fork 5 other ends; Adjustable extension spring seat 2 is installed on the adjustable supports plate 1; Be connected through extension spring 3 between adjustable extension spring seat 2 and the curved fork 5; One end of the little axle 6 that along continuous straight runs extends is fastened on the lower end of curved fork 5; The thin shaft portion of the other end is equipped with adjustable fixed block 7, and U-shaped push and block 8 intert in the bottom of adjustable fixed block 7, integral body formed with couple axle 4 be the axle center, curved with the outer arc of curved fork 5 be the swing mechanism of slideway.
Second portion: pushing mechanism; Pushing mechanism comprises the adjustable roller frame 10 that is arranged at anti-rotation clamping plate 11, the roller 9 that rotation is installed on adjustable roller frame 10 lower ends; Thereby forming with roller 9 is the pushing mechanism of sliding point; Roller 9 along with working piston extension bar 13 press down or on lift that synchronously to drive curved fork 5 be the rotating shaft reciprocally swinging with couple axle 4, and possess with anti-rotation slide bar 12, working piston extension bar 13,14 combinations of equipment body and to have with pressure cylinder 15 synchronous operations and prevent the promotion assembly of rotating function.
Referring to accompanying drawing 4, accompanying drawing 5; Be fixed on the equipment body 14 after being parallel to the adjustable supports plate 1 of swing mechanism the axial line adjustment relevant position of working piston extension bar 13; Serve as to rotate centre point with couple axle 4 this moment; With adjustable extension spring seat 2 is fulcrum, and the elasticity through extension spring 3 connects curved fork 5 related little 6, adjustable fixed block 7, U-shaped push and block 8, remains certain amplitude in the back upper place of patrix 16 when static and lifts state.Be fixed on the roller 9 of pushing mechanism on the anti-rotation clamping plate 11 after through adjustable roller frame 10 adjustment relevant positions; And possess with 14 combinations of anti-rotation slide bar 12, working piston extension bar 13, equipment body and to have with pressure cylinder 15 synchronous operations and prevent rotating function, be in the backhaul state when static.
Accompanying drawing 6 to 11 Dynamic Display according to the security protection process of mechanical safety device of the present invention: when pressing equipment brings into operation work; Swing mechanism is the static backhaul state (seeing Fig. 6, Fig. 7) that separates separately with pushing mechanism; Working piston extension bar 13, anti-rotation slide bar 12, anti-rotation clamping plate 11, adjustable roller frame 10, roller 9 DL synchronizations (seeing Fig. 8, Fig. 9) under driving under the driving of pressure cylinder 15; Under the situation that goes downwards to certain limit; When the external diameter of roller 9 touches curved fork 5 and lifts state profile upper arc curved surface; It is the axle center with couple axle 4 that slidingtype ground promotes curved fork 5; Drive little axle 6 simultaneously, adjustable fixed block 7, U-shaped push and block 8 are done to front lower place arching trajectory swing (seeing Figure 10, Figure 11) jointly, side shelves 81 and the crosspiece 82 of front portion that makes U-shaped push and block 8 from the both sides of patrix 16 and the bottom through (Figure 12, Figure 13, Figure 14); Forwards release simulation finger 19 in the safe distance before patrix 16 and counterdie 17 pressings, ensure safety and accomplish the purpose of stamped workpieces 18 simultaneously again.
Above embodiment only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the people that is familiar with this technology understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. an airdraulic actuator drives the mechanical safety device of pressing equipment; This pressing equipment comprises equipment body (14), be fixedly installed on pressure cylinder (15) on the described equipment body (14), can vertically be arranged on working piston extension bar (13) in the described pressure cylinder (15) movably, be installed on described working piston extension bar (13) lower end patrix (16), be positioned at the counterdie (17) of described patrix (16) below; Described equipment body (14) is provided with the anti-rotation slide bar (12) that can vertically move; Anti-rotation clamping plate (11) interlock is passed through in described working piston extension bar (13) in the lower end of described anti-rotation slide bar (12); It is characterized in that the mechanical safety device that described airdraulic actuator drives pressing equipment comprises:
Swing mechanism; Described swing mechanism comprises curved fork (5) that the adjustable supports plate (1), an end and the described adjustable supports plate (1) that are arranged on the described equipment body (14) are rotationally connected through couple axle (4) and the U-shaped push and block (8) that are arranged at described curved fork (5) other end; Described U-shaped push and block (8) have the U-shaped structure that is surrounded by side retaining (81) and crosspiece (82); When described U-shaped push and block (8) during with described curved fork (5) reciprocally swinging; Described side retaining (81) and crosspiece (82) be the both sides and the below of inswept described patrix (16) respectively; Adjustable extension spring seat (2) is installed on the described adjustable supports plate (1), is connected through extension spring (3) between described adjustable extension spring seat (2) and the described curved fork (5); And
Pushing mechanism; Described pushing mechanism comprises the adjustable roller frame (10) that is arranged at described anti-rotation clamping plate (11), rotates the roller (9) that is installed on described adjustable roller frame (10) lower end, described roller (9) along with described working piston extension bar (13) press down or on lift that synchronously to drive described curved fork (5) be the rotating shaft reciprocally swinging with described couple axle (4).
2. airdraulic actuator according to claim 1 drives the mechanical safety device of pressing equipment; It is characterized in that: described curved fork (5) other end is set with the little axle (6) that along continuous straight runs extends, and described U-shaped push and block (8) are installed on described little axle (6) through adjustable fixed block (7).
3. airdraulic actuator according to claim 1 drives the mechanical safety device of pressing equipment, and it is characterized in that: described adjustable supports plate (1) can be arranged on the described equipment body (14) with vertically adjusting.
4. airdraulic actuator according to claim 1 drives the mechanical safety device of pressing equipment, and it is characterized in that: described adjustable roller frame (10) can be arranged on the described anti-rotation clamping plate (11) with vertically adjusting.
5. airdraulic actuator according to claim 1 drives the mechanical safety device of pressing equipment, it is characterized in that: be arranged on described adjustable supports plate (1) to described adjustable extension spring seat (2) adjustable positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110071958A CN102179459B (en) | 2011-03-24 | 2011-03-24 | Mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110071958A CN102179459B (en) | 2011-03-24 | 2011-03-24 | Mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment |
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| Publication Number | Publication Date |
|---|---|
| CN102179459A CN102179459A (en) | 2011-09-14 |
| CN102179459B true CN102179459B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110071958A Active CN102179459B (en) | 2011-03-24 | 2011-03-24 | Mechanical safety device for pneumatic hydraulic cylinder driving and stamping equipment |
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| Country | Link |
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| CN (1) | CN102179459B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734727A (en) * | 2016-12-23 | 2017-05-31 | 信宜华宇电子科技有限公司 | A kind of safety protection device for punching press |
| CN109877244A (en) * | 2019-04-28 | 2019-06-14 | 台州半城暖通科技有限公司 | A kind of processing punching machine safety protection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2129661Y (en) * | 1992-07-03 | 1993-04-14 | 刘义平 | Punching safety material releasing device |
| CN2353465Y (en) * | 1998-07-20 | 1999-12-15 | 黄朝琴 | Satety hand-protection device for punch machine |
| US7818985B2 (en) * | 2004-04-06 | 2010-10-26 | Amada Company, Ltd. | Bending apparatus |
| CN202037270U (en) * | 2011-03-24 | 2011-11-16 | 苏州托克斯冲压设备有限公司 | Mechanical safety device of stamping equipment driven by pneumatic and hydraulic cylinder |
-
2011
- 2011-03-24 CN CN201110071958A patent/CN102179459B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2129661Y (en) * | 1992-07-03 | 1993-04-14 | 刘义平 | Punching safety material releasing device |
| CN2353465Y (en) * | 1998-07-20 | 1999-12-15 | 黄朝琴 | Satety hand-protection device for punch machine |
| US7818985B2 (en) * | 2004-04-06 | 2010-10-26 | Amada Company, Ltd. | Bending apparatus |
| CN202037270U (en) * | 2011-03-24 | 2011-11-16 | 苏州托克斯冲压设备有限公司 | Mechanical safety device of stamping equipment driven by pneumatic and hydraulic cylinder |
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| CN102179459A (en) | 2011-09-14 |
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