CN111687301A - Hydraulic press for precision forming of brake pad steel backing - Google Patents

Abstract

The invention provides a brake pad steel backing precision forming hydraulic machine which comprises a rack, a lower die mounting piece, a die assembly driving mechanism, an upper die mounting piece and a multi-station manipulator device, wherein the lower die mounting piece is fixed on the rack, at least two lower stations which are sequentially arranged are arranged on the lower die mounting piece along the conveying direction, and the lower stations are used for mounting a lower die; the die assembly driving mechanism is arranged on the rack, the output end of the die assembly driving mechanism is connected with the upper die mounting piece, the upper die mounting piece is positioned above the lower die mounting piece, the upper die mounting piece is provided with upper stations which correspond to the lower stations one by one, the upper stations are used for mounting an upper die, and the die assembly driving mechanism can drive the upper die mounting piece to move downwards so as to simultaneously stamp workpieces on the lower stations; the multi-station manipulator device is arranged on one side of the lower die mounting part and can simultaneously transfer the workpiece on the lower station to the next lower station adjacent to the lower station along the conveying direction.

Description

Hydraulic press for precision forming of brake pad steel backing

Technical Field

The invention relates to the field of hydraulic presses, in particular to a brake pad steel backing precision forming hydraulic press.

Background

The steel backing is one of the components of the automobile brake pad, and the steel backing is mainly used for fixing friction materials and is convenient to install on a brake system. The production of the traditional steel backing comprises four processes of pressing a bevel edge, pulling a nail, punching and finishing, and the four processes need a plurality of mechanical punching machines or hydraulic machines to produce and process the steel backing step by step to finish, and the production mode has the defects that: firstly, a plurality of hydraulic presses and mechanical punching machines are needed to produce and process the steel backing step by step, the occupied area is large, and the equipment cost is high; secondly, labor cost is high, and each machine of each person is needed to be completed by cooperation of a plurality of machines; thirdly, a plurality of mechanical punching machines or hydraulic machines work simultaneously, the generated noise is large, and the energy consumption is high; when the mechanical punch is used for manufacturing the bevel edge pressing edge of the steel back and in the finishing process, the lower part of the machine cannot lift large-tonnage back pressure, and the forming precision is poor; the fourth hydraulic press used by the manufacturers at present is basically of a four-column upper cylinder type, a single hydraulic oil cylinder is arranged below a workbench to generate a back pressure structure, the eccentric load resistance is poor, the four-column guide sleeve cannot be adjusted after being worn after long-time running, and the precision retentivity is poor.

Therefore, the hydraulic press for precisely forming the steel backing of the brake pad, which can simultaneously complete a plurality of production processes, has small occupied area and low labor cost, is needed to be provided.

Disclosure of Invention

The invention aims to provide a brake pad steel backing precision forming hydraulic machine which can simultaneously complete a plurality of production processes, occupies small area and has low labor cost.

In order to achieve the aim, the invention provides a brake pad steel backing precision forming hydraulic machine which comprises a rack, a lower die mounting piece, a die assembly driving mechanism, an upper die mounting piece and a multi-station manipulator device, wherein the lower die mounting piece is fixed on the rack, at least two lower stations which are sequentially arranged are arranged on the lower die mounting piece along the conveying direction, and the lower stations are used for mounting a lower die; the die assembly driving mechanism is arranged on the rack, the output end of the die assembly driving mechanism is connected with the upper die mounting piece, the upper die mounting piece is positioned above the lower die mounting piece, the upper die mounting piece is provided with upper stations which are in one-to-one correspondence with the lower stations, the upper stations are used for mounting an upper die, and the die assembly driving mechanism can drive the upper die mounting piece to move downwards so as to simultaneously stamp workpieces on the lower stations; the multi-station manipulator device is arranged on one side of the lower die mounting piece and can simultaneously transfer the workpiece on the lower station to the next lower station adjacent to the lower station along the conveying direction.

Preferably, the number of the lower stations is four, and each lower station is used for a beveling process, a nail pulling process, a punching process and a finishing process along the conveying direction in sequence.

Preferably, the lower die further comprises a first abutting device, the first abutting device is arranged below the lower die mounting piece, the lower die mounting piece is provided with a first through hole located at the lower station for the beveling process, and the first abutting device can provide back pressure for the lower die through the first through hole.

Preferably, the lower die mounting part is provided with a second through hole located at the lower station for the punching process, and the second through hole is used for punching and blanking.

Preferably, the lower die mounting piece is provided with a third through hole located at the lower station for the fine trimming process, and the second abutting device can provide back pressure for the lower die mounting piece through the third through hole.

Preferably, the mold closing driving mechanism comprises a mold closing oil cylinder and a sliding block, the mold closing oil cylinder is installed on the rack, the output end of the mold closing oil cylinder is connected with the sliding block, and the sliding block is arranged on the rack in a vertically sliding manner.

Preferably, the rack is provided with a guide rail assembly for the sliding block to slide.

Preferably, the hydraulic system is arranged at the top of the frame and above the die closing oil cylinder, and the hydraulic system is connected with the die closing oil cylinder.

Preferably, the upper die mounting piece comprises a frame body, a screw rod, an inclined plate and a template, the frame body is connected with the die assembly driving mechanism, the template is arranged on the frame body, the screw rod is in threaded connection with the frame body, the screw rod is connected with the inclined plate, the inclined plate is located above the template, the inclined plate is in abutting connection with the template through the inclined surface, the inclined plate is pushed by the screw rod to move, and therefore the inclined surface drives the template to be finely adjusted vertically.

Preferably, the workpiece conveying device further comprises a feeding mechanism and a feeding manipulator, the feeding mechanism is used for providing workpieces, the feeding manipulator is arranged between the feeding mechanism and the rack, and the feeding manipulator can clamp the workpieces on the feeding mechanism to the first lower station located in the conveying direction.

Preferably, the automatic feeding device comprises a material receiving manipulator and a discharging conveying mechanism, wherein the material receiving manipulator is arranged between the rack and the discharging conveying mechanism, the material receiving manipulator can clamp a workpiece positioned on the last lower station in the conveying direction onto the discharging conveying mechanism, and the discharging conveying mechanism is used for conveying the workpiece for discharging.

Preferably, a lifting mechanism is arranged on the rack, the multi-station manipulator device is connected with the lifting mechanism, and the lifting mechanism can drive the multi-station manipulator device to lift.

Compared with the prior art, the brake pad steel backing precision forming hydraulic machine has the advantages that the lower die mounting piece is provided with the plurality of lower stations, the upper die mounting piece is provided with the upper stations which correspond to the lower stations one by one, so that the upper die mounting piece can be driven to move towards the direction of the lower die mounting piece by the die assembly driving mechanism to simultaneously perform die assembly and stamping on the plurality of stations, a plurality of production processes can be simultaneously completed by one piece of equipment, the problem that a plurality of hydraulic machines and mechanical punching machines are required to perform production and processing on a steel backing in the prior art is solved, the occupied area is small, and the labor cost can be reduced.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic press for precision forming of a steel backing of a brake pad of the present invention.

FIG. 2 is a front view of the hydraulic press for precision forming of the steel backing of the brake block of the present invention.

FIG. 3 is a rear view of the hydraulic press for precision forming of the steel backing of the brake block of the present invention.

Fig. 4 is a schematic structural view of the rack of the present invention.

FIG. 5 is a schematic view of the lower station distribution of the lower die mount of the present invention.

FIG. 6 is a schematic view of the lower station distribution of the upper die mounts of the present invention.

FIG. 7 is a front view of the upper die mount of the present invention.

FIG. 8 is a side view of the upper die mount of the present invention.

Fig. 9 is a sectional view of the first abutting means of the present invention.

Fig. 10 is a sectional view of the second resisting apparatus of the present invention.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, the hydraulic press 100 for precisely forming the steel backing of the brake pad of the present invention includes a frame 1, a lower mold mounting member 2, a mold closing driving mechanism 3, an upper mold mounting member 4 and a multi-station manipulator device 5, wherein the lower mold mounting member 2 is fixed on the frame 1, the lower mold mounting member 2 is provided with at least two lower stations 21 arranged in sequence along a conveying direction, the lower stations 21 are used for mounting a lower mold, as shown in fig. 5, X in the drawings represents the conveying direction; the die assembly driving mechanism 3 is arranged on the rack 1, the output end of the die assembly driving mechanism 3 is connected with the upper die mounting piece 4, the upper die mounting piece 4 is positioned above the lower die mounting piece 2, the upper die mounting piece 4 is provided with upper stations 41 which correspond to the lower stations 21 one by one, the upper stations 41 are used for mounting an upper die, and the die assembly driving mechanism 3 can drive the upper die mounting piece 4 to move downwards so as to simultaneously stamp workpieces on the lower stations 21; the multi-station manipulator device 5 is disposed at one side of the lower mold mounting member 2, and the multi-station manipulator device 5 can simultaneously transfer the workpieces on the lower stations 21 to the next lower station 21 adjacent to the lower station 21 along the conveying direction, that is, the multi-station manipulator device 5 can simultaneously transfer the workpieces on the lower stations 21 except the last one to the next lower station 21 adjacent to the lower station 21 along the conveying direction. The multi-station manipulator device 5 is disposed at the rear side of the rack 1, and the multi-station manipulator device 5 may be a three-axis manipulator or a four-axis manipulator, but not limited thereto, and the multi-station manipulator device 5 is a prior art, and therefore will not be described herein again.

Referring to fig. 1, 2 and 5, in the present embodiment, the number of the lower stations 21 is four, each of the lower stations 21 is used for the beveling process, the nail pulling process, the punching process and the finishing process in sequence along the conveying direction, and the number of the upper stations 41 is also four. Specifically, the hydraulic press 100 for precisely forming the steel backing of the brake pad further comprises a first abutting device 61 and a second abutting device 62, wherein the first abutting device 61 is arranged below the lower die mounting piece 2, the lower die mounting piece 2 is provided with a first through hole 22 positioned at a lower station 21 for the beveling process, and the first abutting device 61 can provide back pressure for the lower die through the first through hole 22 so as to provide back pressure for the beveling process; the lower die mounting piece 2 is provided with a second through hole 23 positioned at a lower station 21 for a punching process, and the second through hole 23 is used for punching and blanking; the second abutting device 62 is arranged below the lower die mounting part 2, the lower die mounting part 2 is provided with a third through hole 24 located at a lower station 21 for the fine trimming process, and the second abutting device 62 can provide back pressure for the lower die mounting part 2 through the third through hole 24, so that the back pressure is provided for the fine trimming process. More specifically, a base plate may be disposed on the frame 1, and mounting holes are disposed on left and right sides of the base plate, the mounting hole on the left side is used for mounting the first abutting device 61, and the mounting hole on the right side is used for mounting the second abutting device 62. The first abutting device 61 and the second abutting device 62 both use oil cylinders, but not limited thereto. According to the hydraulic press 100 for precisely forming the steel backing of the brake pad, stations for the beveling process, the nail pulling process, the punching process and the finishing process are arranged at the same time, so that a plurality of brake pad steel backing production processes can be completed by one device, the floor area is greatly reduced, the labor cost is reduced, and the production efficiency is improved.

Referring to fig. 2 and 4, the mold clamping driving mechanism 3 includes a mold clamping cylinder 31 and a slide block 32, the mold clamping cylinder 31 is mounted on the frame 1, an output end of the mold clamping cylinder 31 is connected to the slide block 32, the slide block 32 is slidably disposed on the frame 1 up and down, and the upper mold mounting member 4 is mounted on a lower portion of the slide block 32. Specifically, the frame 1 is provided with a guide rail assembly 11 for sliding the slide block 32. In this embodiment, the left and right sides of the rack 1 are provided with the guide rail assemblies 11, each guide rail assembly 11 includes a first adjusting block 111, a long guide rail 112, a short guide rail 113, a second adjusting block 114 and a guide rail copper plate 115, the first adjusting block 111, the long guide rail 112, the short guide rail 113, the second adjusting block 114 and the guide rail copper plate 115 form a four-corner octahedral guide rail, the rack 1 and the guide rail assemblies 11 form a machine body capable of resisting unbalance loading, and after the precision of the guide rail assemblies 11 is worn due to long-time running or unbalance loading running, the machine body can be repaired back through the first adjusting blocks 111, the long guide rails 112, the short guide rails 113, the second adjusting blocks 114 and the guide rail copper plates 115, so that the guide rail assemblies 11 are repaired and the machine precision is continuous.

Referring to fig. 1 and 3, a lifting mechanism 12 is disposed on the frame 1, the multi-station manipulator device 5 is connected to the lifting mechanism 12, and the lifting mechanism 12 can drive the multi-station manipulator device 5 to lift. Specifically, the lifting mechanism 12 includes a lifting motor 121 and a screw assembly 122, the lifting motor 121 is disposed on the rack 1, the lifting motor 121 is connected to the screw assembly 122, the multi-station manipulator device 5 is connected to the screw assembly 122, and the lifting motor 121 drives the screw assembly 122 to move, so that the screw assembly 122 drives the multi-station manipulator device 5 to ascend, and the space is made for facilitating the assembly and disassembly of the mold.

Referring to fig. 1, 9 and 10, the hydraulic press 100 for precision molding of a steel backing of a brake pad further comprises a hydraulic system 7, wherein the hydraulic system 7 is arranged at the top of the frame 1 and above the mold closing cylinder 31, and the hydraulic system 7 is connected with the mold closing cylinder 31. The hydraulic system 7 comprises a servo motor oil pump set 71, an oil tank 72 and an integrated body 73, wherein the servo motor oil pump set 71, the oil tank 72 and the integrated body 73 are connected through pipelines or lines. The servo motor has the characteristics that the noise and the heat generation of the hydraulic system 7 are reduced, and the hydraulic system 7 is more energy-saving and environment-friendly. The hydraulic system 7 is arranged at the top of the rack 1, so that the floor area of the bottom surface is reduced, and other mechanisms can be placed on the left, right, front and back bottom surfaces of the rack 1. Further, the first abutting device 61 has a first piston rod 611, a first guide sleeve 612 and a first throttle 613, the first guide sleeve 612 is sleeved on the first piston rod 611, the first throttle 613 is sleeved on the first piston rod 611 and is located above the first guide sleeve 612, the first abutting device 61 is matched with the first throttle 613 through the first piston rod 611, the first guide sleeve 612, and the first guide 611, so that when the first piston rod 611 is ejected upwards to the limit position of the first guide sleeve 612, a buffering force is generated in the first guide sleeve 612, and under the low-pressure protection provided by the integrated body 73 and the servo motor oil pump group 71, the first piston rod 611 can be rapidly ejected upwards to the limit position each time without being damaged; the second abutting device 62 has a second piston rod 621, a second guide sleeve 622 and a second throttle 623, the second guide sleeve 622 is sleeved on the second piston rod 621, the second throttle 623 is sleeved on the second piston rod 621 and located above the second guide sleeve 622, the second abutting device 62 is matched with the second piston rod 621, the second guide sleeve 622 and the second throttle 623, when the second piston rod 621 ascends and ejects to a limit position of the second guide sleeve 622, a buffer force is generated in the second guide sleeve 622, and under the low-pressure protection provided by the integration body 73 and the servo motor oil pump group 71, the second piston rod 621 can quickly ascend to the limit position at each time without being damaged. The positions of the first piston rod 611 which is compressed by the back pressure and then ejected and stopped are all the same when the first abutting device 61 works each time, and the positions of the second piston rod 621 which is compressed by the back pressure and then ejected and stopped are all the same when the second abutting device 62 works each time, so that the stability of tight molding of the beveling process and the fine trimming process when the multi-station simultaneous working is ensured.

Referring to fig. 7 and 8, the upper mold mounting member 4 includes a frame 42, a screw 43, an inclined plate 44 and a mold plate 45, the frame 42 is connected to the mold clamping driving mechanism 3, the mold plate 45 is disposed on the frame 42, the screw 43 is screwed to the frame 42, the screw 43 is connected to the inclined plate 44, the inclined plate 44 is located above the mold plate 45, the inclined plate 44 is abutted to the mold plate 45 through an inclined surface, and the inclined surface pushes the inclined plate 44 to move so that the inclined surface drives the mold plate 45 to be finely adjusted up and down. Wherein, the quantity of template 45 is unanimous with the quantity of last station 41, and template 45 is equipped with T type groove, and each template 45 accessible screw rod 43 and swash plate 44 come fine setting from top to bottom to the convenient die-filling.

Referring to fig. 1, the hydraulic press 100 for precisely forming a steel backing of a brake pad of the present invention further includes a feeding mechanism 81, a feeding manipulator 82, a material receiving manipulator 91 and a blanking conveying mechanism 92, wherein the feeding mechanism 81 is disposed on the left side of the frame 1, the feeding mechanism 81 is used for providing a workpiece, the feeding manipulator 82 is disposed between the feeding mechanism 81 and the frame 1, and the feeding manipulator 82 can clamp the workpiece on the feeding mechanism 81 to the first lower station 21 located in the conveying direction. The blanking conveying mechanism 92 is arranged on the right side of the rack 1, the material receiving manipulator 91 is arranged between the rack 1 and the blanking conveying mechanism 92, the material receiving manipulator 91 can clamp a workpiece located on the last lower station 21 in the conveying direction to the blanking conveying mechanism 92, and the blanking conveying mechanism 92 is used for conveying the workpiece to be blanked. The feeding mechanism 81, the feeding manipulator 82, the receiving manipulator 91 and the discharging conveying mechanism 92 are all known in the art, for example, the feeding mechanism 81 may employ a multi-station turntable or a vibrating plate, etc., the feeding manipulator 82 and the receiving manipulator 91 may employ a three-axis manipulator or a four-axis manipulator, and the discharging conveying mechanism 92 may employ a conveying rail or a conveying belt.

With reference to fig. 1 to 10, the specific working principle of the hydraulic press 100 for precision forming of the steel backing of the brake pad of the present invention is as follows:

the upper die mounting piece 4 is driven by the die assembly driving mechanism 3 to move downwards together with the upper die, so that the upper die and the lower die mounted on the lower die mounting piece 2 are matched, and the four lower stations 21 and the corresponding upper stations 41 simultaneously perform a bevel edge pressing process, a nail pulling process, a punching process and a finishing process; after the mold closing is completed, the upper mold mounting part 4 is driven by the mold closing driving mechanism 3 to move upwards together with the upper mold, the workpiece on the last lower station 21 in the conveying direction is clamped to the blanking conveying mechanism 92 by the material receiving manipulator 91, the blanking conveying mechanism 92 conveys the workpiece to be blanked, the workpiece on the lower station 21 is simultaneously transferred to the next lower station 21 adjacent to the lower station 21 by the multi-station manipulator device 5 along the conveying direction, the workpiece on the feeding mechanism 81 is clamped to the first lower station 21 in the conveying direction by the feeding manipulator 82, so that the feeding of the workpiece, the adjustment of the processing station of the workpiece and the blanking of the processed workpiece are completed.

In conclusion, the hydraulic press 100 for precisely forming the steel backing of the brake pad is provided with a plurality of processing stations, can perform die assembly and stamping on the stations at the same time, realizes that one device can complete a plurality of production processes at the same time, solves the problem that a plurality of hydraulic presses and mechanical punching machines are required to perform production and processing on the steel backing step by step in the prior art, occupies small area, and can reduce labor cost. According to the full-automatic feeding device, the feeding mechanism 81, the feeding manipulator 82, the receiving manipulator 91 and the discharging conveying mechanism 92 are arranged, so that a full-automatic operation function is realized, and the labor cost is reduced; the invention adopts the integral frame type frame 1 and the guide rail component 11 with four-corner octahedral guide rail guide type to replace a four-column type machine body guide structure, has stronger anti-unbalance loading capability, can adjust and repair the precision of the guide rail after long-time operation, has good precision maintenance and is more suitable for the working condition of multiple stations. The hydraulic system 7 is arranged at the top of the rack 1, the feeding mechanism 81 and the feeding manipulator 82 are arranged at the left side of the rack 1, the material receiving manipulator 91 and the blanking conveying mechanism 92 are arranged at the right side of the rack 1, and the multi-station manipulator device 5 is arranged at the rear side of the rack 1, so that the whole structure is reasonable and compact in arrangement.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims (12)

1. The hydraulic press for the precise forming of the steel backing of the brake pad is characterized by comprising a rack, a lower die mounting piece, a die assembly driving mechanism, an upper die mounting piece and a multi-station manipulator device, wherein the lower die mounting piece is fixed on the rack, at least two lower stations which are sequentially arranged are arranged on the lower die mounting piece along the conveying direction, and the lower stations are used for mounting a lower die; the die assembly driving mechanism is arranged on the rack, the output end of the die assembly driving mechanism is connected with the upper die mounting piece, the upper die mounting piece is positioned above the lower die mounting piece, the upper die mounting piece is provided with upper stations which are in one-to-one correspondence with the lower stations, the upper stations are used for mounting an upper die, and the die assembly driving mechanism can drive the upper die mounting piece to move downwards so as to simultaneously stamp workpieces on the lower stations; the multi-station manipulator device is arranged on one side of the lower die mounting piece and can simultaneously transfer the workpiece on the lower station to the next lower station adjacent to the lower station along the conveying direction.

2. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, wherein the number of the lower stations is four, and each lower station is sequentially used for a beveling process, a nail pulling process, a punching process and a finishing process along the conveying direction.

3. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 2, further comprising a first abutting device, wherein the first abutting device is arranged below the lower die mounting piece, the lower die mounting piece is provided with a first through hole located at the lower station for the beveling process, and the first abutting device can provide back pressure for the lower die through the first through hole.

4. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 2, wherein the lower die mounting piece is provided with a second through hole at the lower station for the punching process, and the second through hole is used for punching and blanking.

5. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 2, further comprising a second abutting device, wherein the second abutting device is arranged below the lower die mounting piece, the lower die mounting piece is provided with a third through hole located at the lower station for the finishing process, and the second abutting device can provide back pressure for the lower die mounting piece through the third through hole.

6. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, wherein the die assembly driving mechanism comprises a die assembly oil cylinder and a slide block, the die assembly oil cylinder is mounted on the frame, the output end of the die assembly oil cylinder is connected with the slide block, and the slide block is arranged on the frame in a manner of sliding up and down.

7. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 6, wherein a guide rail assembly for the sliding block to slide is arranged on the frame.

8. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 6, further comprising a hydraulic system, wherein the hydraulic system is arranged at the top of the frame and above the die closing oil cylinder, and the hydraulic system is connected with the die closing oil cylinder.

9. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, wherein the upper die mounting part comprises a frame body, a screw, an inclined plate and a die plate, the frame body is connected with the die assembly driving mechanism, the die plate is arranged on the frame body, the screw is in threaded connection with the frame body, the screw is connected with the inclined plate, the inclined plate is located above the die plate, the inclined plate is in abutting connection with the die plate through an inclined surface, and the inclined plate is pushed by the screw to move so that the inclined surface drives the die plate to be finely adjusted up and down.

10. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, further comprising a feeding mechanism and a feeding manipulator, wherein the feeding mechanism is used for providing a workpiece, the feeding manipulator is arranged between the feeding mechanism and the frame, and the feeding manipulator can clamp the workpiece on the feeding mechanism to the first lower station in the conveying direction.

11. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, further comprising a material collecting manipulator and a blanking conveying mechanism, wherein the material collecting manipulator is arranged between the frame and the blanking conveying mechanism, the material collecting manipulator can clamp the workpiece on the last lower station in the conveying direction onto the blanking conveying mechanism, and the blanking conveying mechanism is used for conveying the workpiece for blanking.

12. The hydraulic press for precisely forming the steel backing of the brake pad according to claim 1, wherein a lifting mechanism is arranged on the frame, the multi-station manipulator device is connected with the lifting mechanism, and the lifting mechanism can drive the multi-station manipulator device to lift.

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