CN213820014U - Gauze mask point earphone - Google Patents

Abstract

The utility model relates to a gauze mask point earphone, in this gauze mask point earphone, ear area loading attachment locates on the workstation and the processing position on the neighbouring workstation arranges, backing sheet along guide rail removal in the material transporting device, carry the gauze mask piece of treating on the backing sheet to processing position department, buckle the ear area through ear area loading attachment and tailor and carry equally to processing position department, through the cooperation of material transporting device and ear area loading attachment like this, need not manual operation, can combine required raw material mouth cover piece of gauze mask point ear processing and ear area in processing position department automatically, the completion of the action of conveniently processing, and simultaneously, in the in-process of gauze mask piece material transporting, the shaping device can carry out the plastic to the gauze mask piece, and make the gauze mask piece retrain on the backing sheet all the time, guaranteed that the gauze mask is keeping the exact gesture before processing all the time.

Description

Gauze mask point earphone

Technical Field

The utility model relates to a gauze mask machine field especially relates to a gauze mask point earphone.

Background

The mask is a sanitary protective article, and is usually worn at the mouth and nose part for filtering air entering the mouth and nose and blocking substances such as spray, dust, pollen and the like in the air. The mask is generally hung and buckled on ears by adopting ear belts, so that the mask body can be attached to the face of a person and aligned to the mouth and nose parts.

In the production process of the mask, one step is to bend a strip-shaped ear belt into a semicircular shape, and then weld the two ends of the ear belt on the mask body. In prior art, the manufacturing of gauze mask ear area is through the manual work earlier cut out a segment, then the manual work is bent into the semicircle form to the ear area of shearing to the both ends of handing the ear area are fixed the ear area on the gauze mask body, adopt the welding ware to weld the ear area at last. Although the welding of ear belt can be realized to artifical bending welding's mode, production efficiency is lower, and working strength is big, the repeated work of mechanical type does not keep the mind a little and has quality problems such as wrong welding, hourglass to weld, consequently can't satisfy the actual production demand of enterprise, especially under the nervous condition of current gauze mask supply, the efficiency of this production mode can not be applicable to the urgent demand in market under present. Therefore, the full-automatic mask machine is produced at the present time, and can replace manual work to realize automatic welding of the ear bands of the masks, but the existing automatic mask machine only has an ear-touching function, cannot realize automatic processing of feeding and feeding, and does not have a special device to position the masks in the whole ear-touching process, and the automation degree is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem to provide an automatic realize gauze mask point earphone of gauze mask material loading and fortune material to prior art's current situation.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides one kind and need not to tailor alone and can realize the automatic gauze mask point earphone of buckling of ear zone.

The utility model aims to solve the third technical problem be to prior art's current situation, provide a carry out the plastic and can maintain the gauze mask point earphone of correct processing gesture to the gauze mask piece before processing.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a mask lug machine comprises a frame and a workbench, wherein the workbench is provided with a processing position for welding a mask lug;

also includes:

the ear belt feeding device is used for bending, cutting and conveying the ear belt to a processing position, is arranged on the workbench and is arranged close to the processing position;

the conveying device is used for conveying the mask sheet to a processing position, is arranged on the workbench, and comprises a guide rail arranged on the workbench and a support sheet used for supporting the mask sheet, the support sheet is slidably constrained in the guide rail, and the processing position is arranged on a moving path of the support sheet; and

the shaping mechanism is used for shaping the mask sheet and enabling the mask sheet to be always constrained on the support sheet in the process of synchronously sliding along with the support sheet.

In order to ensure that the supporting sheet can repeat the material conveying process again after a batch of mask sheets are conveyed, the guide track comprises a horizontal section arranged on the workbench and two bending sections which are positioned at two ends of the horizontal section and respectively connected with the horizontal section, and openings of the two bending sections are oppositely arranged; the design of guide rail like this, through the effect of bending segment, the backing sheet transports the material above the workstation, gets back to initial position from the workstation below through the bending segment after transporting the material, and then realizes the circulation of material loading action.

In order to ensure that the supporting sheet is restrained in the guide track, the horizontal section and the bending section respectively comprise two guide plates arranged side by side, and a first gap for the supporting sheet to pass through is formed between the two guide plates.

In order to further realize that the supporting sheets move along the guide rails, the material conveying device further comprises a plurality of first drivers and a transmission belt, the supporting sheets are arranged on the transmission belt at intervals, and the power output end of each first driver is in driving connection with the transmission belt so as to drive the transmission belt to drive the supporting sheets to synchronously slide along the guide rails.

In order to ensure that the power of the first driver is transmitted to the support sheet and further realize the feeding circulation of the support sheet mentioned above, preferably, the transmission belt comprises two sliding sections arranged side by side, the sliding directions of the two sliding sections are opposite, a driving wheel and a driven wheel are arranged at two ends of the bottom of the workbench, two ends of the transmission belt are wound on the corresponding driving wheel or the driven wheel, and the output end of the first driver is in driving connection with the driving wheel.

In order to further solve the second technical problem and ensure the supply of the ear belt, the utility model provides an adopted technical scheme be: be equipped with vertical arrangement material loading seat on the workstation, this material loading seat is arranged along fortune material direction wherein one side of processing station, be equipped with the material loading mouth that supplies the fag end to wear out in the material loading seat, ear area loading attachment includes:

the pulling mechanism is arranged on the workbench at the same side as the feeding seat and is arranged opposite to the feeding seat, and a first end of the pulling mechanism is provided with a clamping piece which can be close to the feeding hole and pull out a rope end in the feeding hole;

the scissors mechanism is arranged on the workbench, and a cutter head at the output end of the scissors mechanism is arranged close to the feeding port;

the feeding mechanism is used for conveying the cut rope belt to a processing position, is arranged on the workbench and is arranged above the pulling mechanism, and is provided with two clamping jaws which respectively clamp two ends of the rope belt, and the two clamping jaws can rotate towards the processing position so as to bend two ends of the rope belt towards the processing position. Through the holder that draws material mechanism, pull out the fag end of the material loading mouth department of material loading seat, cut the fag end that pulls out through scissors mechanism, and both ends centre gripping that will cut the fag end through two clamping jaws in feeding mechanism, and to processing a position side buckling, carry to processing on the position afterwards, accomplish the action of material loading, make things convenient for follow-up welded to go on, through drawing material mechanism like this, scissors mechanism and feeding mechanism's cooperation, can accomplish the fag end and tailor, a plurality of steps such as buckle and pay-off, a great deal of drawback of artifical material loading has been avoided, and is simple and efficient, therefore, the clothes hanger is strong in practicability, and the clothes hanger is suitable for various uses

In order to ensure that the pulling mechanism can pull the rope belt, preferably, the pulling mechanism further comprises a first driving mechanism, and an output end of the first driving mechanism is connected to the clamping piece so as to drive the clamping piece to be close to or far away from the feeding port.

In order to ensure that the two ends of the rear rope belt can be clamped and cut, preferably, the feeding mechanism comprises a fixed seat and a lifting assembly, the fixed seat is connected to the workbench, the lifting assembly comprises a second driving mechanism and a lifting seat, the two clamping jaws are mounted on the lifting seat, the second driving mechanism is arranged on the fixed seat, the output end of the second driving mechanism is connected to the lifting seat, and the lifting seat and the two clamping jaws can be driven to synchronously move up and down.

In order to ensure that can buckle the both ends of fag end, and then match gauze mask piece both sides, preferably, feeding mechanism is still including being used for driving two clamping jaw pivoted rotating assembly, rotating assembly includes third actuating mechanism and locates two pivots on the lift seat, two the clamping jaw is connected respectively in the bottom that corresponds the clamping jaw, the top in two pivots is connected respectively to third actuating mechanism's output shaft to can drive two pivots and drive two clamping jaws and rotate, and two the rotation direction of clamping jaw is opposite.

In order to further solve the above-mentioned third technical problem, ensure before processing that the gauze mask piece is in suitable gesture the utility model provides an adopted technical scheme be: the plastic mechanism includes:

the pushing mechanism is arranged at the upstream of the moving direction of the support sheet and specifically comprises two push plates which are oppositely arranged and are respectively positioned at two sides of the moving path of the support sheet and two second drivers which are respectively in driving connection with the corresponding push plates, and under the condition that the support sheet moves to be positioned between the two push plates, the two push plates can move oppositely to reshape and position the side edges of the respective corresponding masks under the driving of the second drivers;

the two limiting parts are used for limiting the upper edge of the mask piece, are arranged at the downstream of the material pushing mechanism and are consistent with the extending direction of the material conveying channel, the two limiting parts are arranged above the first gap in the horizontal section side by side, and a second gap for the upper edge of the mask piece to pass through is formed between the two limiting parts; thus, two push plates of the pushing mechanism push and extrude the mask sheets from two sides to perform primary shaping and positioning on the mask sheets on the supporting sheets, so that wrinkles at corresponding welding points before welding the ear bands are avoided; meanwhile, after the initial shaping position is set, the limiting piece which is consistent with the extending direction of the material conveying channel can play a role in restraining the upper edge of the mask, so that the mask piece is kept in a shaped state, and deflection or secondary folding is avoided; like this through the common complex mode of push pedal and locating part, corrected the unusual gesture of gauze mask piece before processing, higher for artifical efficiency, for semi-automatic, reduced the rejection rate, the practicality is strong.

Compared with the prior art, the utility model has the advantages of: in this gauze mask point earphone, the backing sheet that moves along the guide rail in through fortune material device, carry the gauze mask piece of treating on the backing sheet to processing position department, buckle the earlap through earlap loading attachment and tailor and carry equally to processing position department, through fortune material device and earlap loading attachment's cooperation like this, need not manual operation, can combine the required former material mouth cover piece of gauze mask point ear processing and earlap in processing position department automatically, make things convenient for the completion of processing action, and simultaneously, at the in-process of gauze mask piece fortune material, shaping device can carry out the plastic to the gauze mask piece, and make the gauze mask piece retrain all the time on the backing sheet, ensured that the gauze mask is keeping the exact gesture before processing all the time.

Drawings

Fig. 1 is a schematic view of the overall structure of a mask pointing earphone according to an embodiment of the present invention;

FIG. 2 is a schematic view of FIG. 1 with a portion of the structure omitted;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of the positioning and shaping device in the embodiment of the present invention after a workbench is omitted;

FIG. 5 is a schematic view of the structure of FIG. 4 from another angle;

FIG. 6 is a schematic view of the overall structure of the guide rail according to the present embodiment;

FIG. 7 is an enlarged schematic view at A in FIG. 1;

FIG. 8 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 9 is an enlarged schematic view at A of FIG. 8;

FIG. 10 is a schematic view of a feeding mechanism in the present embodiment;

fig. 11 is a schematic view from another angle of fig. 10.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 11, in this embodiment, the mask pointing device comprises a frame, an ear band feeding device, a material transporting device and a shaping mechanism, wherein the frame has a workbench 100, and a processing position 101 for welding the ear band of the mask sheet is arranged on the workbench 100.

Referring to fig. 1 to 5, the above-mentioned material conveying device is used for conveying the mask sheet to the processing position 101, is arranged on the workbench 100, and specifically includes a guide rail 16 arranged on the workbench 100 and a support sheet 7 for supporting the mask sheet, the support sheet 7 is slidably constrained in the guide rail 16, and the processing position 101 is arranged on a moving path of the support sheet 7. Specifically, the guide rail 16 includes a horizontal segment 161 disposed on the worktable and two bent segments 162 located at two ends of the horizontal segment 161 and respectively engaged with the horizontal segment 161, wherein the two bent segments 162 are disposed opposite to each other. Wherein each of the horizontal segment 161 and the bent segment 162 includes two guide plates 16a arranged side by side, and a first gap 16b for passing the support sheet 7 is formed between the two guide plates 16 a. The material conveying device further comprises a first driver 15 and a transmission belt 18, the supporting pieces 7 are multiple and are arranged on the transmission belt 18 at intervals, a power output end of the first driver 15 is in driving connection with the transmission belt 18, and then the transmission belt 18 is driven to drive the supporting pieces to synchronously slide along the guide rail. The transmission belt 18 specifically comprises two sliding sections arranged side by side, the sliding directions of the two sliding sections are opposite, two ends of the bottom of the workbench 100 are provided with a driving wheel 181 and a driven wheel 182, two ends of the transmission belt 18 are wound on the corresponding driving wheel 181 or driven wheel 182, and the output end of the first driver 15 is in driving connection with the driving wheel 181; of course, the first driving mechanism 15 and the transmission belt 18 are not necessarily directly connected, and power transmission can be realized by selecting a gear set or a chain wheel or a chain in many specific transmission modes, which will not be described again.

Referring to fig. 6 to 11, in the present embodiment, the ear band feeding device is used for bending, cutting and conveying an ear band to a processing position 101, and is disposed on a workbench 100 and adjacent to the processing position 101, specifically, a vertically disposed feeding seat 1 is disposed on the workbench 100, the feeding seat 1 is disposed on one side of the processing position 101 along a material conveying direction, and a feeding port 1a through which a rope end passes is disposed in the feeding seat 1. As shown in fig. 8 and 9, the feeding base 1 is vertically disposed on a workbench 100, a feeding table 11 is disposed on one side of the feeding base 1, a guide groove 13 for a rope to pass through is disposed on the feeding table 11, a cover plate 12 capable of covering the guide groove 13 is further disposed above the feeding table 11, a feeding channel for the rope to pass through is formed between the cover plate 12 and the guide groove 13, and a feeding opening 1a is disposed at a tail end of the feeding channel. The size of above-mentioned material loading passageway can be adjusted according to the different thicknesses of ear area, specifically, still is equipped with fourth actuating mechanism 14 on the material loading seat 1, and the power take off end of fourth actuating mechanism 14 is connected on apron 12 to can drive apron 12 and reciprocate relatively the guide way 13, and then adjust material loading passageway's size.

The ear belt feeding device in the embodiment comprises a pulling mechanism 2, a scissor mechanism 4 and a feeding mechanism 3, wherein the pulling mechanism 2 is arranged on the workbench 100 on the same side as the feeding seat 1 and is arranged opposite to the feeding seat 1, and a clamping piece 21 which can be close to the feeding port 1a and pull out a rope end in the feeding port 1a is arranged at the first end of the pulling mechanism 2; the material pulling mechanism 2 further comprises a first driving mechanism 22, and an output end of the first driving mechanism 22 is connected to the clamping member 21, so as to drive the clamping member 21 to be close to or far away from the feeding port 1 a. The output end of the first driving mechanism 22 is specifically connected to the clamping member 21 through the sliding assembly 23, the sliding assembly 23 includes a sliding rail 231 and a sliding seat 232 which are arranged on the worktable 100, the output shaft of the first driving mechanism 22 is connected to the sliding seat 232 and can drive the sliding seat 232 to slide along the sliding rail 231, and the clamping member 21 is a clamping cylinder arranged on the sliding seat 232. The scissors mechanism 4 is used to cut the string at the feeding opening 1a after being pulled out, and the scissors mechanism 4 is provided on the worktable 100 and the cutter head 42 at the output end thereof is arranged adjacent to the feeding opening 1 a.

In this embodiment, the feeding mechanism 3 is used for conveying the cut rope belt to the processing position 101, the feeding mechanism 3 is installed on the workbench 100 and is arranged above the pulling mechanism 2, the feeding mechanism 3 is provided with two clamping jaws 30 respectively clamping two ends of the rope belt, and the two clamping jaws 30 can rotate towards the processing position 101 so as to bend two ends of the rope belt towards the processing position 101.

The feeding mechanism 3 in this embodiment specifically includes a fixing seat 31 and a lifting assembly 32, the fixing seat 31 is connected to the workbench 100, the lifting assembly 32 includes a second driving mechanism 321 and a lifting seat 322, the two clamping jaws 30 are all installed on the lifting seat 322, the second driving mechanism 321 is disposed on the fixing seat 31, and the output end of the second driving mechanism 321 is connected to the lifting seat 322, and can drive the lifting seat 322 and the two clamping jaws 30 to move up and down synchronously. In order to facilitate lifting, a vertically extending guide column 323 is arranged at the top of the lifting seat 322, and correspondingly, a guide sleeve 324 for the guide column 323 to pass through and match with the guide column 323 is arranged on the fixed seat 31; the feeding mechanism 3 further comprises a rotating assembly 33 for driving the two clamping jaws 30 to rotate, the rotating assembly 33 comprises a third driving mechanism 331 and two rotating shafts 332 arranged on the lifting seat 322, the two clamping jaws 30 are respectively connected to the bottoms of the corresponding clamping jaws 30, the output shafts of the third driving mechanism 331 are respectively connected to the tops of the two rotating shafts 332, the two rotating shafts 332 can be driven to drive the two clamping jaws 30 to rotate, and the rotating directions of the two clamping jaws 30 are opposite. The output end of the third driving mechanism 331 is drivingly connected to the two rotating shafts 332 through a transmission member 333, one end of the transmission member 333 is connected to the output shaft of the third driving mechanism 331, the other end of the transmission member 333 is provided with two rack portions 334, and the top of the rotating shaft 332 is correspondingly provided with a gear portion 335 engaged with the rack portions 334.

Before processing, the mask sheet on the supporting sheet 7 is shaped by the shaping mechanism, and is always constrained on the supporting sheet 7 in the process of synchronously sliding along with the supporting sheet 7 under the action of the shaping mechanism. Specifically, the shaping mechanism comprises a pushing mechanism 8 and two limiting parts 9, wherein the pushing mechanism 8 is arranged at the upstream of the support sheet 7 in the moving direction, and specifically comprises two push plates 81 which are arranged oppositely and respectively located at two sides of the moving path of the support sheet 7 and two second drivers 82 which are respectively in driving connection with the corresponding push plates 81, and in the state that the support sheet 7 is moved to be located between the two push plates 81, the two push plates 81 can move oppositely under the driving of the second drivers 82 to shape and position the side edges of the respective corresponding masks; the two limiting pieces 9 are used for limiting the upper edge of the mask, are arranged at the downstream of the material pushing mechanism 8 and are consistent with the extending direction of the material conveying channel 102, the two limiting pieces 9 are arranged above the first gap 16b in the horizontal section 161 side by side, and a second gap 9a for the upper edge of the mask to pass through is formed between the two limiting pieces 9. Specifically, a set of support frames 17 is disposed on each of two sides of the material conveying direction of the workbench 100, each set of support frames 17 includes two support rods 171 extending toward the first gap 16b, the limiting members 9 are connection belts having two ends connected to the corresponding support rods 171, a connection head 172 is disposed on an end portion of the support rod 171 adjacent to the first gap 16b, the corresponding end of the connection belt is wound on the connection head 172, a plurality of support sheets 7 are disposed at intervals along the extending direction of the material conveying channel 102, and each support sheet 7 moves synchronously under the action of the first driving mechanism 15.

Claims (10)

1. A mask earphone comprises

The mask sheet ear band welding machine comprises a machine frame and a welding machine, wherein the machine frame is provided with a workbench (100), and a processing station (101) for welding mask sheet ear bands is arranged on the workbench (100);

it is characterized by also comprising:

the ear belt feeding device is used for bending, cutting and conveying the ear belt to a processing position (101), is arranged on the workbench (100), and is arranged adjacent to the processing position (101);

the conveying device is used for conveying mask sheets to a processing station (101), is arranged on the workbench (100), and comprises a guide rail (16) arranged on the workbench (100) and a support sheet (7) used for supporting the mask sheets, wherein the support sheet (7) is slidably constrained in the guide rail (16), and the processing station (101) is arranged on a moving path of the support sheet (7); and

the shaping mechanism is used for shaping the mask sheet and enabling the mask sheet to be always constrained on the supporting sheet (7) in the process of synchronously sliding along with the supporting sheet (7).

2. The mask point earphone according to claim 1, wherein: the guide rail (16) comprises a horizontal section (161) arranged on the workbench and two bending sections (162) which are positioned at two ends of the horizontal section (161) and respectively connected with the horizontal section (161), and openings of the two bending sections (162) are oppositely arranged.

3. The mask point earphone according to claim 2, wherein: the horizontal section (161) and the bending section (162) comprise two guide plates (16a) arranged side by side, and a first gap (16b) for the support sheet (7) to pass through is formed between the two guide plates (16 a).

4. The mask point earphone according to claim 1, wherein: the conveying device further comprises a first driver (15) and a transmission belt (18), the supporting pieces (7) are arranged on the transmission belt (18) at intervals, the power output end of the first driver (15) is in driving connection with the transmission belt (18), and then the transmission belt (18) is driven to drive the supporting pieces to synchronously slide along the guide rail (16).

5. The mask point earphone according to claim 4, wherein: the transmission belt (18) comprises two sliding sections (18a) which are arranged side by side, the sliding directions of the two sliding sections (18a) are opposite, a driving wheel (181) and a driven wheel (182) are arranged at two ends of the bottom of the workbench (100), two ends of the transmission belt (18) are wound on the corresponding driving wheel (181) or the corresponding driven wheel (182), and the output end of the first driver (15) is in driving connection with the driving wheel (181).

6. The mask point earphone according to any one of claims 1 to 5, wherein: be equipped with vertical arrangement material loading seat (1) on workstation (100), this material loading seat (1) is arranged along fortune material direction wherein one side of processing station (101), be equipped with material loading mouth (1a) that supplies the fag end to wear out in material loading seat (1), ear area loading attachment includes:

the pulling mechanism (2) is arranged on the workbench (100) on the same side as the feeding seat (1) and is arranged opposite to the feeding seat (1), and a clamping piece (21) which can be close to the feeding port (1a) and pull out a rope end in the feeding port (1a) is arranged at the first end of the pulling mechanism (2);

the scissors mechanism (4) is used for cutting off the rope belt at the position of the pulled feeding port (1a), the scissors mechanism (4) is arranged on the workbench (100), and the cutter head (42) at the output end of the scissors mechanism is arranged close to the feeding port (1 a);

the feeding mechanism (3) is used for conveying the cut rope belt to a processing position (101), is mounted on the workbench (100) and is arranged above the pulling mechanism (2), the feeding mechanism (3) is provided with two clamping jaws (30) which respectively clamp two ends of the rope belt, and the two clamping jaws (30) can rotate towards the processing position (101) so that two ends of the rope belt bend towards the processing position (101).

7. The mask point earphone according to claim 6, wherein: the material pulling mechanism (2) further comprises a first driving mechanism (22), the output end of the first driving mechanism (22) is connected to the clamping piece (21), and then the clamping piece (21) is driven to be close to or far away from the feeding hole (1 a).

8. The mask point earphone according to claim 6, wherein: feeding mechanism (3) are including fixing base (31) and lifting unit (32), fixing base (31) are connected on workstation (100), lifting unit (32) are including second actuating mechanism (321) and lift seat (322), two clamping jaw (30) are all installed on lift seat (322), second actuating mechanism (321) are located on fixing base (31), and this second actuating mechanism (321) output is connected on lift seat (322) to can drive lift seat (322) and two clamping jaw (30) and reciprocate in step.

9. The mask point earphone according to claim 8, wherein: feeding mechanism (3) are still including being used for driving two clamping jaw (30) pivoted rotating assembly (33), rotating assembly (33) include third actuating mechanism (331) and locate two pivot (332) on lift seat (322), two clamping jaw (30) are connected respectively in the bottom that corresponds clamping jaw (30), the output shaft of third actuating mechanism (331) is connected respectively at the top of two pivot (332) to can drive two pivot (332) and drive two clamping jaw (30) and rotate, and two the rotation opposite direction of clamping jaw (30).

10. The mask point earphone according to claim 2, wherein: the plastic mechanism includes:

the pushing mechanism (8) is arranged at the upstream of the moving direction of the supporting sheet (7), and specifically comprises two push plates (81) which are oppositely arranged and respectively located at two sides of the moving path of the supporting sheet (7) and two second drivers (82) which are respectively in driving connection with the corresponding push plates (81), and when the supporting sheet (7) moves to a position between the two push plates (81), the two push plates (81) can move oppositely to reshape and position the side edges of the respective corresponding masks under the driving of the second drivers (82);

the mask edge limiting device comprises two limiting pieces (9) used for limiting mask edges, the two limiting pieces (9) are arranged at the downstream of the material pushing mechanism (8) and are consistent with the extending direction of a material conveying channel (102), the two limiting pieces (9) are arranged above a first gap (16b) in the horizontal section (161) side by side, and a second gap (9a) for the mask edges to penetrate is formed between the two limiting pieces (9).

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