CN105537830A - Automatic spot welding device for car body board - Google Patents
Automatic spot welding device for car body board Download PDFInfo
- Publication number
- CN105537830A CN105537830A CN201511007146.XA CN201511007146A CN105537830A CN 105537830 A CN105537830 A CN 105537830A CN 201511007146 A CN201511007146 A CN 201511007146A CN 105537830 A CN105537830 A CN 105537830A
- Authority
- CN
- China
- Prior art keywords
- bracing frame
- support
- upper electrode
- sheet material
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses an automatic spot welding device for a car body board, comprising a support frame, wherein a board front end positioning mechanism and a board front part clamping mechanism are arranged at the front part of the support frame, lateral positioning and rear clamping mechanisms which are oppositely arranged and are respectively used for carrying out width positioning on two lateral parts of the board are arranged at the rear part of the support frame, upper electrode stands driven to swing up and down by an upper electrode power mechanism are arranged on the support frame, a plurality of upper electrodes connected with a main welding machine are respectively arranged on the upper electrode stands, a plurality of lower electrode driving cylinders which are located below the upper electrodes and are arranged corresponding to the upper electrodes in position are arranged on the support frame, lower electrodes which are connected with the main welding machine and matched with the upper electrodes to carry out spot welding are arranged on the lower electrode driving cylinders, and a middle positioning and tightening mechanism which can prop against a board is arranged in the middle of the support frame. According to the invention, the car body board can be clamped, automatic spot welding can be carried out on the car body board, and the device has the advantages of being high in spot welding quality and improving the appearances of large-batch car bodies.
Description
Technical field
The present invention relates to a kind of wagon sheet automatic spot-welding device.
Background technology
The application of welding tooling is directly connected to the efficiency of welding procedure, precision and quality.Vehicle development is maked rapid progress, complicated vehicle body metal plate part causes very large difficulty to the clamping and positioning of fixture and spot welding work, body in white adopts the welding tooling of different structure to carry out spot welding after needing special clamping positioning mechanism to carry out clamping and positioning to it in welding process, along with increasing of vehicle, need on welding platform, arrange the clamping and positioning that many cover clamping positioning mechanisms carry out different automobile types body in white, and need the welding tooling that different structure form is set that the welding gun of different azimuth just can be provided to carry out spot welding, thus the very huge and complex structure of above-mentioned welding tooling, production cost is high.In addition, as according to artificial spot welding, the presentation quality of vehicle body is difficult to batch and ensures and production efficiency is low, is badly in need of now occurring that a kind of structure is simple, production cost is low and can carry out the welding tooling of body in white spot welding in batches.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned defect, provides the wagon sheet automatic spot-welding device that a kind of structure is simple, can carry out automatic spot in batches to body in white.
In order to solve the problems of the technologies described above, the wagon sheet automatic spot-welding device provided comprises bracing frame, its design feature is: sheet material front end positioning mechanism and sheet material front clamp mechanism are equipped with in the front portion of support frame as described above, the rear portion of bracing frame be equipped be oppositely arranged and respectively to sheet material both sides carry out width location sidepiece location rear clamp mechanism, support frame as described above is equipped with and drives by upper electrode actuating unit the upper electrode frame swung up and down, the multiple upper electrodes be connected with main welding machine respectively upper electrode frame are equipped with, bracing frame is equipped be positioned at below upper electrode and position respectively the multiple lower electrodes that arrange corresponding to upper electrode drive cylinder, lower electrode drives cylinder is equipped with and to be connected with main welding machine and to coordinate the lower electrode carrying out spot welding with upper electrode, location, the middle part jacking mechanism that can lean sheet material is equipped with at the middle part of bracing frame.
After adopting said structure, wagon sheet to be welded is transported to the top of bracing frame, when the front end of wagon sheet touches sheet material front end positioning mechanism, can ensure that the lengthwise position of wagon sheet is fixed, the lateral attitude of wagon sheet is limited by sidepiece location rear clamp mechanism, respectively the front-end and back-end of wagon sheet are clamped by above-mentioned sheet material front clamp mechanism and sidepiece location rear clamp mechanism after putting in place, simultaneously, location, middle part jacking mechanism withstands in the middle part of sheet material, prevent from pinpoint welding procedure, occurring trembling of sheet material, thus affect body in white point quality, the inner of being ordered about upper electrode frame by upper electrode actuating unit is pressed down, the upper surface of upper electrode contact body in white sheet material, cylinder is driven to order about the lower surface that lower electrode contacts body in white sheet material gradually by lower electrode again, thus complete pinpoint welding procedure.Can be found out by foregoing description, this apparatus structure is simple, production cost is low, this device can substitute the robot loaded down with trivial details with structure that involve great expense completely, body in white sheet material can be carried out automatic spot by this device, and has the high advantage with improving batch vehicle body outward appearance of point quality.
Described sheet material front end positioning mechanism comprises the front end locating support be connected on bracing frame, front end locating support is connected with the bottom plate of support sheet material front portion and is positioned at the standing baffle in bottom plate front.
Described sheet material front clamp mechanism comprise be connected on bracing frame and left and right correspondence arrange two front clamp supports, front clamp support is hinged with by the anterior pressure arm of the sheet material of front clamp air cylinder driven, corresponding between front clamp support with the anterior pressure arm of sheet material clamp is housed.
As improvement of the present invention, described upper electrode frame comprises the top connecting lever support cutting with scissors and be contained on bracing frame and self-supporting frame side and extend internally, described upper electrode actuating unit comprises the upper electrode actuating cylinder that hinge is contained in bracing frame outside portion, one support arm of top connecting lever support is connected with the piston rod power of upper electrode actuating cylinder, another support arm is connected with upper electrode installing rack, support frame as described above is connected with the swing arm hold-down mechanism positioned by top connecting lever support.Adopt said structure that top connecting lever support can be facilitated to open the feeding of rear sheet material, and by swing arm hold-down mechanism, upper electrode installing rack is pressed solidly stable, ensure that upper electrode is close to the upper surface of wagon sheet, thus ensure body in white point quality.
Described swing arm hold-down mechanism comprises hinge and is contained in bracing frame and the swing pressure arm extended internally outside self-supporting frame, swing the overhanging end of pressure arm by cutting with scissors the swing arm compression cylinder power drive be contained on bracing frame, the inner extending end swinging pressure arm is equipped with the compact heap that can be pressed against on the connecting lever support of top.
Described sidepiece location rear clamp mechanism comprises hinge and is contained in bracing frame rear portion and be symmetrical set two sidepiece positioning compression arms, the side of two sidepiece positioning compression arms is respectively equipped with registration arm, bracing frame drives the sidepiece positioning compression cylinder of sidepiece positioning compression arm, between described sidepiece positioning compression arm and bracing frame, correspondence is equipped with compact heap, support frame as described above is also equipped with the bracket being positioned at sidepiece positioning compression arm rear and the location-plate be connected on bracket.
Location, described middle part jacking mechanism comprises the Support bracket be connected in the middle part of bracing frame, Support bracket is equipped with the location, middle part be obliquely installed and holds out against cylinder, the piston rod that location, middle part holds out against cylinder is equipped with grip block, grip block is connected with and can slides along grip block and by bolt by locating rack fixing for its position, locating rack be bolted with at least one positioning pin column.
As a further improvement on the present invention, road wheel is equipped with in the bottom of support frame as described above, and the bottom of bracing frame is also equipped with the parking cylinder that piston rod is arranged down, and the lower extending end of the piston rod of parking cylinder is equipped with parking seat.By road wheel, this device is moved to suitable location, and under being stretched by the piston rod of parking cylinder, play the effect of stable support.
In sum, body in white sheet material can carry out clamping and automatic spot by the present invention, has the high advantage with improving batch vehicle body outward appearance of point quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the schematic diagram that in Fig. 1, embodiment is overlooked;
Fig. 3 is the schematic diagram of the left apparent direction of embodiment in Fig. 1;
Fig. 4 is the schematic perspective view of embodiment in Fig. 1;
Fig. 5 is the structural representation of embodiment using state in Fig. 1.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, The present invention gives a kind of embodiment of wagon sheet automatic spot-welding device, the present embodiment is used for the spot welding of car door sheet material, it comprises bracing frame 1, road wheel 31 is equipped with in the bottom of support frame as described above 1, the bottom of bracing frame 1 is also equipped with the parking cylinder 32 that piston rod is arranged down, the lower extending end of the piston rod of parking cylinder 32 is equipped with parking seat 33, sheet material front end positioning mechanism and sheet material front clamp mechanism are equipped with in the front portion of bracing frame 1, the rear portion of bracing frame 1 be equipped be oppositely arranged and respectively to sheet material both sides carry out width location sidepiece location rear clamp mechanism, that is sidepiece location rear clamp mechanism can locate the both sides of car door sheet material and can clamp the rear portion of car door sheet material, bracing frame 1 is equipped with and drives by upper electrode actuating unit the upper electrode frame 2 swung up and down, the multiple upper electrodes 3 be connected with main welding machine respectively upper electrode frame 2 are equipped with, bracing frame 1 is equipped be positioned at below upper electrode 3 and position respectively the multiple lower electrodes that arrange corresponding to upper electrode 3 drive cylinder 4, lower electrode drives cylinder 4 is equipped with and to be connected with main welding machine and to coordinate the lower electrode 5 carrying out spot welding with upper electrode 3, location, the middle part jacking mechanism that can lean sheet material is equipped with at the middle part of bracing frame 1.
As shown in Figures 1 to 5, sheet material front end positioning mechanism comprises the front end locating support 30 be connected on bracing frame 1, front end locating support 30 be connected with the bottom plate 6 of support sheet material front portion and be positioned at the standing baffle 7 in bottom plate 6 front, car door sheet material moves to after above bracing frame, its front portion is dropped on bottom plate 6, its front end leans on standing baffle 7, thus its front end is located, this set both can ensure that the height of car door sheet material, also the front end of car door sheet material is located simultaneously, thus improve positioning precision.
As shown in Figures 1 to 5, sheet material front clamp mechanism comprise be connected on bracing frame 1 and left and right correspondence arrange two front clamp supports 8, in the present embodiment, the middle part of front clamp support 8 is contained on bracing frame 1 by stretching plate hinge under affixed, front clamp support 8 is hinged with the anterior pressure arm 9 of the sheet material driven by front clamp cylinder 40, front clamp cylinder 40 is positioned at the front of front clamp support 8 and its hinge is contained on bracing frame, the piston rod of front clamp cylinder 40 is stretched and cuts with scissors with the front end of the anterior pressure arm 9 of sheet material and fill, when anterior clamping cylinder 40 orders about after the anterior pressure arm 9 of sheet material opens, can easily unload car door sheet material, corresponding between the rear portion of the rear portion of front clamp support 8 and the anterior pressure arm 9 of sheet material clamp is housed, by the driving of front clamp cylinder 40, two clamps are drawn close relatively, thus car door sheet material front end is clamped, in addition, the anterior pressure arm 9 of sheet material has vertical portion, the leading section of car door sheet material can lean on the rear surface of vertical portion, thus the lengthwise position of further accurately positioning car door-plate material.
As shown in Figures 1 to 5, described upper electrode frame 2 comprises the top connecting lever support 21 cutting with scissors and be contained on bracing frame 1 and self-supporting frame side and extend internally, described upper electrode actuating unit comprises the upper electrode actuating cylinder 10 that hinge is contained in bracing frame 1 outside portion, one support arm of top connecting lever support 21 is connected with the piston rod power of upper electrode actuating cylinder 10, another support arm is connected with upper electrode installing rack 22, support frame as described above 1 is connected with the swing arm hold-down mechanism positioned by top connecting lever support 21, described swing arm hold-down mechanism comprises hinge and is contained in bracing frame 1 and the swing pressure arm 11 extended internally outside self-supporting frame 1, swing the overhanging end of pressure arm 11 by cutting with scissors swing arm compression cylinder 12 power drive be contained on bracing frame 1, the inner extending end swinging pressure arm 11 is equipped with the compact heap 13 that can be pressed against on top connecting lever support 21, in the present embodiment, owing to being welding tractor door-plate material, according to the design feature of car door sheet material, which is provided with the installing hole for mounting glass, thus above-mentioned swing arm compression cylinder 12 can be arranged in above-mentioned installing hole, swing pressure arm and stretch to above-mentioned upper electrode installing rack 22 from the installing hole direction of glass, thus make structure compacter, and after swing pressure arm 11 is opened, above-mentioned setting facilitates opening of top connecting lever support 21.Certainly, when welding other wagon sheets if necessary, this swing arm compression cylinder 12 can be arranged on the sidepiece of bracing frame 1, its inner extending end is made to stretch to above-mentioned upper electrode installing rack 22, its objective is and upper electrode installing rack 22 is pushed down, thus impel upper electrode 3 to be close to lean against on the upper surface of wagon sheet.
As shown in Figures 1 to 5, described sidepiece location rear clamp mechanism comprises hinge and is contained in bracing frame 1 rear portion and be symmetrical set two sidepiece positioning compression arms 14, in the present embodiment, owing to being welding tractor door-plate material, according to the design feature of car door sheet material, which is provided with the installing hole for mounting glass, thus this sidepiece positioning compression arm 14 is positioned at inside installing hole, the lateral surface of two sidepiece positioning compression arms 14 is respectively equipped with registration arm, the hole wall of the installing hole of car door sheet material is resisted against in above-mentioned registration arm, by the abutment action of two registration arm, the lateral attitude of car door sheet material is accurately located, that is, in the present embodiment, two sidepiece positioning compression arms 14 are positioned at the middle part of car door sheet material, certainly, if weld other wagon sheets, two sidepiece positioning compression arms 14 can be symmetricly set on the both sides of wagon sheet, the side of wagon sheet is encountered the medial surface of sidepiece positioning compression arm 14 thus makes it located lateral.Bracing frame 1 drives the sidepiece positioning compression cylinder 15 of sidepiece positioning compression arm 14, between described sidepiece positioning compression arm 14 and bracing frame 1, correspondence is equipped with compact heap, the bracket 34 being positioned at sidepiece positioning compression arm 14 rear and the location-plate 35 connected on the carrier 34 support frame as described above 1 be also equipped with, car door sheet material is placed on after above bracing frame 1, thereafter clan is on above-mentioned bracket, location-plate can arrange multiple locating dowel, thus the rear portion of car door sheet material positions, the position of car door sheet material is located more accurate.
As shown in Figures 1 to 5, location, described middle part jacking mechanism comprises the Support bracket 16 be connected in the middle part of bracing frame, Support bracket 16 is equipped with the location, middle part be obliquely installed and holds out against cylinder 17, the piston rod that location, middle part holds out against cylinder 17 is equipped with grip block 18, grip block 18 is connected with and can slides along grip block 18 and the locating rack 19 its position fixed by bolt, locating rack 19 is bolted with at least one positioning pin column 20, in the present embodiment, two positioning pin columns 20 are set, when after the clamping of car door sheet material front-end and back-end, because sheet material is thinner, easy generation is trembled, thus the clamping more stable of car door sheet material is made by the supporting and location effect of the positioning pin column 20 being positioned at middle part, be conducive to the point quality improving car door sheet material.Certainly according to the wagon sheet of different wagon sheet and different model, by adjusting the position of locating rack 19, thus positioning pin column 20 is accurately located.
Certainly, the present invention is not restricted to the described embodiments, and the art personnel, replaces all in protection scope of the present invention based on the equivalent variations of concrete structure in the present invention and parts.
Claims (8)
1. a wagon sheet automatic spot-welding device, comprise bracing frame (1), it is characterized in that: sheet material front end positioning mechanism and sheet material front clamp mechanism are equipped with in the front portion of support frame as described above (1), the rear portion of bracing frame (1) be equipped be oppositely arranged and respectively to sheet material both sides carry out width location sidepiece location rear clamp mechanism, support frame as described above (1) is equipped with and drives by upper electrode actuating unit the upper electrode frame (2) swung up and down, the multiple upper electrodes (3) be connected with main welding machine respectively upper electrode frame (2) are equipped with, bracing frame (1) is equipped be positioned at upper electrode (3) below and position respectively the multiple lower electrodes that arrange corresponding to upper electrode (3) drive cylinder (4), lower electrode drives cylinder (4) be equipped with and to be connected with main welding machine and to coordinate the lower electrode (5) carrying out spot welding with upper electrode (3), location, the middle part jacking mechanism that can lean sheet material is equipped with at the middle part of bracing frame (1).
2. wagon sheet automatic spot-welding device according to claim 1, it is characterized in that: described sheet material front end positioning mechanism comprises the front end locating support (30) be connected on bracing frame (1), front end locating support (30) be connected with the bottom plate (6) of support sheet material front portion and be positioned at the standing baffle (7) in bottom plate (6) front.
3. wagon sheet automatic spot-welding device according to claim 1, it is characterized in that: described sheet material front clamp mechanism comprises two the front clamp supports (8) being connected to the upper and left and right correspondence of bracing frame (1) and arranging, front clamp support (8) is hinged with by the anterior pressure arm (9) of the sheet material of front clamp air cylinder driven, corresponding between front clamp support (8) with sheet material front portion pressure arm (9) clamp is housed.
4. the wagon sheet automatic spot-welding device according to any one of claim 1-3, it is characterized in that: described upper electrode frame (2) comprises hinge and is contained in top connecting lever support (21) that the upper and self-supporting frame side of bracing frame (1) extends internally, described upper electrode actuating unit comprises the upper electrode actuating cylinder (10) that hinge is contained in bracing frame (1) outside portion, one support arm on top connecting lever support (21) is connected with the piston rod power of upper electrode actuating cylinder (10), another support arm is connected with upper electrode installing rack (22), support frame as described above (1) is connected with the swing arm hold-down mechanism positioned on top connecting lever support (21).
5. wagon sheet automatic spot-welding device according to claim 4, it is characterized in that: described swing arm hold-down mechanism comprises hinge and is contained in bracing frame (1) and the swing pressure arm (11) extended internally outside self-supporting frame (1), the overhanging end of swing pressure arm (11) is contained in swing arm compression cylinder (12) power drive on bracing frame (1) by hinge, the inner extending end swinging pressure arm (11) is equipped with the compact heap (13) that can be pressed against on top connecting lever support (21).
6. the wagon sheet automatic spot-welding device according to any one of claim 1-3, it is characterized in that: described sidepiece location rear clamp mechanism comprises hinge and is contained in bracing frame (1) rear portion and be symmetrical set two sidepiece positioning compression arms (14), the side of two sidepiece positioning compression arms (14) is respectively equipped with registration arm, the upper sidepiece positioning compression cylinder (15) driving sidepiece positioning compression arm (14) of bracing frame (1), between described sidepiece positioning compression arm (14) and bracing frame (1), correspondence is equipped with compact heap, the bracket being positioned at sidepiece positioning compression arm (14) rear and the location-plate be connected on bracket support frame as described above (1) be also equipped with.
7. the wagon sheet automatic spot-welding device according to any one of claim 1-3, it is characterized in that: location, described middle part jacking mechanism comprises the Support bracket (16) be connected in the middle part of bracing frame, Support bracket (16) is equipped with the location, middle part be obliquely installed and holds out against cylinder (17), the piston rod that location, middle part holds out against cylinder (17) is equipped with grip block (18), grip block (18) is connected with and can slides along grip block (18) and by bolt by locating rack (19) fixing for its position, locating rack (19) be bolted with at least one positioning pin column (20).
8. the wagon sheet automatic spot-welding device according to any one of claim 1-3, it is characterized in that: road wheel (31) is equipped with in the bottom of support frame as described above (1), the bottom of bracing frame (1) is also equipped with the parking cylinder (32) that piston rod is arranged down, and the lower extending end of the piston rod of parking cylinder (32) is equipped with parking seat (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007146.XA CN105537830B (en) | 2015-12-30 | 2015-12-30 | Wagon sheet automatic spot-welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007146.XA CN105537830B (en) | 2015-12-30 | 2015-12-30 | Wagon sheet automatic spot-welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105537830A true CN105537830A (en) | 2016-05-04 |
| CN105537830B CN105537830B (en) | 2017-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007146.XA Active CN105537830B (en) | 2015-12-30 | 2015-12-30 | Wagon sheet automatic spot-welding device |
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| Country | Link |
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| CN (1) | CN105537830B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581261A (en) * | 2018-05-16 | 2018-09-28 | 大汉汽车集团有限公司 | A kind of car lightweight automobile body welding support platform |
| CN110091044A (en) * | 2019-05-05 | 2019-08-06 | 合肥职业技术学院 | A kind of body of a motor car spot welding device |
| CN111604572A (en) * | 2020-04-20 | 2020-09-01 | 吴中武 | Full-automatic electric welding mechanical equipment suitable for large-scale workshop |
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| CN205271276U (en) * | 2015-12-30 | 2016-06-01 | 迈赫机器人自动化股份有限公司 | Automatic spot welding device of automotive body panel |
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| Publication number | Publication date |
|---|---|
| CN105537830B (en) | 2017-08-25 |
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