CN217061927U - Mark braid all-in-one is beaten in SMD fuse detection with six visual detection - Google Patents

Abstract

The utility model provides a have six visual detection SMD fuse and detect mark braid all-in-one of beating, which comprises a bod, the organism is equipped with carousel mechanism, carousel mechanism periphery is equipped with the feed mechanism that is used for the feed, is used for detecting the product bottom surface, controls the first detection mechanism of side and front and back side, is used for carrying out the resistance test mechanism of impedance test to the product, is used for carving into the marking mechanism that produces the property index on the product surface, is used for detecting whether the product beats mark whether complete and product surface outward appearance second detection mechanism, is used for carrying out the braid mechanism of braid packing and be used for detecting the third detection mechanism whether lack of material in the carrier tape to the product. The utility model discloses a mechanism can effectively improve production efficiency, and can all detect the outward appearance of six faces of SMD fuse product, effectively reduces the defective rate of product, improves product quality.

Description

Mark braid all-in-one is beaten in SMD fuse detection with six visual detection

Technical Field

The utility model relates to the field of mechanical equipment, in particular to have six visual detection SMD fuses and detect and beat mark braid all-in-one.

Background

The SMD fuse is required to be braided and packaged in the production process, and the procedures of marking product performance indexes, resistance detection, appearance detection and the like of the product are carried out before the production process. The existing fuse can only carry out appearance detection on the surface and the bottom surface of a product before braiding, cannot detect the front side surface, the rear side surface, the left side surface and the right side surface of the product, cannot ensure whether the appearance around the product is good or not, and is easy to cause the condition of increasing the defective rate. In addition, the existing SMD fuse marking, resistance detection, appearance detection and braid are independently carried out through each device, the processes are dispersed, the process action time is longer, the production efficiency is low and the like.

SUMMERY OF THE UTILITY MODEL

To the low problem that can't detect product outside outward appearance all around of current SMD fuse product production efficiency, the utility model provides a beat mark braid all-in-one has six visual detection SMD fuse to detect.

For realizing the purpose of the utility model, the utility model adopts the technical proposal that:

the utility model provides a have six visual detection SMD fuse and detect mark braid all-in-one, includes the organism, the organism is equipped with carousel mechanism, carousel mechanism periphery is equipped with the feed mechanism that is used for the feed, is used for detecting the product bottom surface, controls the first detection mechanism of side and side around, is used for carrying out the resistance test mechanism of impedance test to the product, is used for carving into the marking mechanism that produces the property index on the product surface, is used for detecting whether complete and product surface outward appearance's second detection mechanism of product marking, is used for carrying out the braid mechanism of braid packing to the product and is used for detecting the third detection mechanism whether lack of material in the carrier tape.

Preferably, the turntable mechanism comprises a divider, a turntable body mounted on the divider, and a plurality of vacuum suction nozzles uniformly arranged on the periphery of the turntable body at intervals, and the vacuum suction nozzles are connected with a vacuum pump.

Preferably, feed mechanism is including expecting device and vibration dish, expect the device and include the hopper and set up the guide passageway of hopper bottom, the guide passageway is connected the vibration dish, the vibration dish is equipped with discharging channel, discharging channel with carousel mechanism periphery butt joint, the guide passageway is equipped with the vibration electro-magnet and is used for detecting whether there is the photoelectric switch of material in the vibration dish, the vibration electro-magnet is connected photoelectric switch.

Preferably, first detection mechanism is including the prism box that is used for shining four sides around the projection product about, be used for the reflection the image of prism box and the spectroscope of shining the projection product bottom surface, be used for the shooting the first camera of the image on the spectroscope, the slope frame is equipped with four prism pieces in the prism box, the spectroscope be 45 slope set up in prism box below, first camera with the spectroscope is located same water flat line, be equipped with first camera lens on the first camera.

Preferably, a first light source box used for supplementing light to a product is arranged between the prism box and the spectroscope, light source pieces in one-to-one correspondence with the prism sheet are arranged in the first light source box, and a second light source box used for supplementing light to the spectroscope is arranged at the bottom of the spectroscope.

Preferably, the resistance testing mechanism comprises at least one group of testing seat, the testing seat is provided with a resistance testing head which is in contact fit with two ends of the SMD fuse and a resistance instrument which is connected with the resistance testing head, and the resistance testing head is a laser probe.

Preferably, marking mechanism is in including the laser marking ware that is used for transporting the marking disc of product and sets up marking disc top, marking disc is last to be equipped with a plurality of product standing grooves that are used for preventing the product, marking disc one side is equipped with the pipe of discharging fume that is used for getting rid of unnecessary lime-ash and exhaust fume, second detection mechanism is including erectting in marking disc top the second camera with set up in the first annular light source of second camera below, the second camera is equipped with the second camera lens.

Preferably, braid mechanism is equipped with carrier band dish, carrier band conveying component, packaging film heating seal subassembly and the cutting tape subassembly that is used for placing the carrier band, carrier band conveying component's entrance with carousel mechanism meets, be equipped with the optical fiber sensor who is used for the count on the carrier band conveying component, third detection mechanism is for setting up in the third camera of carrier band conveying component top, the third camera is equipped with the third camera lens, the third camera with be equipped with the second annular light source that is used for the light filling between the carrier band conveying component.

Preferably, a correcting mechanism for correcting and adjusting the position of the product is arranged between the feeding mechanism and the first detection mechanism, between the resistance testing mechanism and the marking mechanism and between the second detection mechanism and the braiding mechanism.

Preferably, the rear end of the first detection mechanism, the rear end of the resistance testing mechanism and the rear end of the braiding mechanism are provided with defective product collecting barrels.

The beneficial effects of the utility model are as follows:

the utility model integrates the procedures of SMD fuse such as appearance detection, resistance test, marking and braiding into a machine, and the layout of each mechanism is reasonable, so that the time of the procedures of each mechanism can be effectively planned, the equipment production is smoother and faster, and the production efficiency is improved; and can detect six outward appearances of product appearance, effectively reduce the defective index of product, improve product quality.

Drawings

FIG. 1: the three-dimensional structure of the utility model is shown schematically;

FIG. 2: the utility model discloses a schematic overlooking structure;

FIG. 3: the structure schematic diagram of the turntable mechanism of the utility model is shown;

FIG. 4 is a schematic view of: the structure schematic diagram of the feeding mechanism of the utility model;

FIG. 5 is a schematic view of: the utility model discloses an overall structure schematic diagram of a first detection mechanism;

FIG. 6: the utility model discloses an internal structure schematic diagram of a first detection mechanism;

FIG. 7: the utility model discloses a schematic structural diagram of a prism box;

FIG. 8: the structure schematic diagram of the first light source box of the utility model;

FIG. 9: the structure schematic diagram of the marking mechanism of the utility model;

FIG. 10: the structure schematic diagram of the braid structure of the utility model;

FIG. 11: the position relation schematic diagram among the mechanisms of the utility model;

in the figure: 10. a body; 20. a turntable mechanism; 21. a divider; 22. a turntable body; 23. a vacuum suction nozzle; 30. a feeding mechanism; 31. a anticipation device; 311. a hopper; 312. a material guide channel 32 and a vibration disc; 321. a discharge channel; 40. a first detection mechanism; 41. a support; 42. a housing; 43. A prism case; 431. a prism sheet; 44. a beam splitter; 45. a first camera; 46. a first light source box; 461. a light source sheet; 47. a second light source box; 50. a resistance testing mechanism; 60. a marking mechanism; 61. Marking a plate; 62. a laser marker; 63. a smoke exhaust pipe; 70. a second detection mechanism; 71. a second camera; 72. a first annular light source; 80. a braiding mechanism; 81. a carrier tape spool; 82. a carrier tape transport assembly; 83. heating and sealing the assembly by the packaging film; 84. cutting the belt assembly; 90. a third detection mechanism; 91. A third camera; 92. a second annular light source; 100. a correction mechanism; 110. defective product collecting cylinder.

Detailed Description

The problem that the existing SMD fuse product is low in production efficiency and cannot detect the appearance around the outer side of the product is solved. Therefore, the present invention provides a new solution, and for a clearer representation, the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, the SMD fuse detecting, marking and taping all-in-one machine with six visual detection comprises a machine body 10, wherein the machine body 10 is provided with a turntable mechanism 20, a feeding mechanism 30 for feeding, a first detecting mechanism 40 for detecting the bottom surface, the left side surface, the right side surface, the front side surface and the rear side surface of a product, a resistance testing mechanism 50 for performing impedance testing on the product, a marking mechanism 60 for etching product performance indexes into the surface of the product, a second detecting mechanism 70 for detecting whether the marking of the product is complete and the surface appearance of the product, a taping mechanism 80 for taping and packaging the product, and a third detecting mechanism 90 for detecting whether the material is lacking in a carrier tape are arranged on the periphery of the turntable mechanism 20.

The bottom of the machine body 10 is provided with retractable and retractable support legs and universal wheels for facilitating the movement of the machine body 10.

Referring to fig. 3, the turntable mechanism 20 includes a divider 21, a turntable body 22 mounted on the divider 21, and a plurality of vacuum suction nozzles 23 uniformly spaced at an outer periphery of the turntable body 22, and the vacuum suction nozzles 23 are connected to a vacuum pump.

In this embodiment, the turntable is mounted on the main shaft of the divider 21, 16 vacuum air nozzles are arranged on the periphery of the turntable, and the divider 21 can realize intermittent up-and-down movement and intermittent circumferential movement of each air nozzle. The vacuum nozzle 23 is thus rotated for a play of one over the other during operation. So that the vacuum nozzle 2383 can suck the product and blow it out according to different mechanisms.

Referring to fig. 4, the feeding mechanism 30 includes a pre-feeding device 31 and a vibrating tray 32, the pre-feeding device 31 includes a hopper 311 and a material guiding channel 312 disposed at the bottom of the hopper 311, the material guiding channel 312 is connected to the vibrating tray 32, the vibrating tray 32 is provided with a material discharging channel 321, and the material discharging channel 321 is abutted with the periphery of the rotating tray mechanism 20 (i.e. the product at the end of the material discharging channel 321 can be sucked by the vacuum suction nozzle 23 on the passing transfer device).

The material guiding channel 312 is provided with a vibration electromagnet and a photoelectric switch for detecting whether the vibration disk 32 has material, and the vibration electromagnet is connected with the photoelectric switch.

Because the production efficiency of the embodiment can reach about 120 products per minute, the production speed is high, the vibrating tray 32 is blackened for preventing product friction, the material in the tray surface is limited to about 300-500, the anticipating device 31 is added to realize continuous material supply in the embodiment, the product is firstly put into the hopper 311 on the anticipating device 31, the product in the hopper 311 is transferred into the vibrating tray 32 through the vibrating electromagnet, whether the material exists in the vibrating tray 32 is detected through the photoelectric switch, when no material is detected, the vibrating electromagnet vibrates the anticipating device 31, and the product on the hopper 311 vibrates to enter the material guide channel 312 and enter the vibrating tray 32 until the photoelectric switch is turned off. The times of manual filling can be reduced by additionally arranging the anticipating device 31, and the requirement of quick production of equipment is met.

Referring to fig. 5 to 8, the first detecting mechanism 40 includes a supporting base 41, the supporting base 41 includes a base and a support, the top of the support is provided with a prism box 43 for irradiating four side surfaces of the projection product, a beam splitter 44 for reflecting an image of the prism box 43 and irradiating a bottom surface of the projection product and a first camera 45 for taking an image of the beam splitter 44 are arranged in the base, and the beam splitter 44 is arranged below the prism box 43 in an inclined manner of 45 °.

The prism box 43 is provided with a slotted hole for a product to extend into, four slots are arranged in the prism box 43, the slots are arranged in the circumferential direction, the slots are arranged in a downward inclined mode, the inclination angle of each slot is 45 degrees, a prism sheet 431 is arranged in each slot, and the prism sheets 431 are respectively used for projecting the left side face, the right side face, the front side face and the rear side face of an SMD fuse.

And a cover 42 is arranged outside the first detection mechanism 40.

The first camera 45 and the spectroscope 44 are located on the same horizontal line, a sliding groove is formed in the base, and the first camera 45 is arranged in the sliding groove in a sliding mode through a sliding seat and is locked and fixed through a fixing piece. A first lens is arranged on the first camera 45. The machine body 10 is further provided with a display screen for displaying an appearance image of a product, and the first camera 45 is connected with the display screen.

A first light source box 46 for supplementing light to the product is erected between the prism box 43 and the spectroscope 44, light source pieces 461 corresponding to the prism sheet 431 one to one are arranged in the first light source box 46, the light source pieces are obliquely and upwardly arranged and are circumferentially arranged, and the light source pieces are used for supplementing light to four side faces of the SMD fuse product, so that the definition of influence is improved. The bottom of the spectroscope 44 is provided with a second light source box 47 for supplementing light to the spectroscope 44. The second light source box 47 supplements light to the spectroscope to improve the definition of images on the bottom surface and each side surface, so that the first camera 45 can shoot clearly.

The vacuum suction nozzle 23 on the turntable body 22 sucks the SMD fuse into the prism box 43, and since the first light source box 46 and the second light source box 47 are set to be in a working state after the device is turned on, the SMD fuse enters the prism box 43 and reaches the center position of the prism, the four sets of prism sheets 431 around reflect the images of the left, right, front and rear four side surfaces of the SMD fuse onto the beam splitter 44 at the same time, and the bottom surface appearance image of the SMD fuse is projected on the beam splitter 44. The first camera 45 carries out image acquisition shooting on the spectroscope 44 through the first lens, the image acquisition part receives analog video signals and digitalizes the analog video signals through A/D, the image acquisition part stores digital images in a memory of the visual processor, the processor processes, analyzes and identifies the images, the obtained measurement results are compared with the set values of a system control interface on a display screen, and whether the SMD fuse appearance is deformed or dirty or not and whether the copper cap has a tin overflow phenomenon or not are judged. If the detection result has errors, the SMD fuse NG is judged and directly screened into the defective product collecting cylinder 110.

Referring to fig. 1, 2 and 11, the resistance testing mechanism 50 includes at least one group of testing seats, and the testing seats are provided with resistance testing heads in contact fit with two ends of the SMD fuse and a resistance meter connected to the resistance testing heads, and the resistance testing heads are laser probes. The laser probe is used for carrying out impedance test on the product, so that the test precision can be improved, and the product quality is ensured.

Referring to fig. 9, the marking mechanism 60 comprises a marking disc 61 for transferring products and a laser marking device 62 erected above the marking disc 61, a plurality of product placing grooves for preventing the products are formed in the marking disc 61, a smoke exhaust pipe 63 is arranged on one side of the marking disc 61 and used for exhausting redundant ash and waste smoke, and therefore it is guaranteed that the subsequent products are carved with characters in a neat and integral manner. The marking plate 61 is also provided with an optical fiber sensor for detecting whether the marking plate is installed in place.

With continued reference to fig. 9, the second detecting mechanism 70 includes a second camera 71 mounted above the marking plate 61 and a first annular light source 72 disposed below the second camera 71, the second camera 71 is provided with a second lens, and the second camera 71 is connected to the display screen.

Referring to fig. 10, the taping mechanism 80 is provided with a carrier tape tray 81 for placing a carrier tape, a carrier tape transport component 82, a packaging film heat sealing component 83 and a tape cutting component 84, an inlet of the carrier tape transport component 82 is connected with the turntable mechanism 20, and the carrier tape transport component 82 is provided with an optical fiber sensor for counting.

With reference to fig. 10, the third detecting mechanism 90 is a third camera 91 erected above the carrier tape conveying assembly 82, the third camera 91 is provided with a third lens, a second annular light source 92 for light supplement is arranged between the third camera 91 and the carrier tape conveying assembly 82, and the third camera 91 is connected to the display screen.

Referring to fig. 11, a calibration mechanism 100 for calibrating the position of the product is disposed between the feeding mechanism 30 and the first detection mechanism 40, between the resistance testing mechanism 50 and the marking mechanism 60, and between the second detection mechanism 70 and the taping mechanism 80. The correcting device can correct the direction of the product so as to facilitate the subsequent processes.

With continued reference to fig. 11, the defective collecting canister 110 is disposed at the rear end of the first detecting mechanism 40, the rear end of the resistance testing mechanism 50, and the rear end of the braiding mechanism 80. The defective product collecting cylinder 110 can collect products with unqualified front, back, left and right side surfaces and bottom surfaces, products with unqualified impedance and products with unqualified surfaces, so that the yield of the braid products is improved.

It should be noted that the rear end in the present embodiment refers to one end of the subsequent process, i.e., the rear end in the rotation direction of the turntable body 22.

Referring to fig. 1-2, the machine body 10 is provided with a main control mechanism and a key panel, and each mechanism is connected to the main control mechanism. The key panel comprises a start button, a stop button, an emergency stop button, an air source switch and the like.

The utility model discloses a complete machine theory of operation as follows:

the product firstly enters the prediction device 31 from the hopper 311, after the photoelectric detection switch on the prediction device 31 detects that the inside of the vibration disc 32 is short of material, the vibration feeding is carried out to the vibration disc 32, and the product vibrates in the vibration disc 32 and spirally rotates to enter the discharging channel 321.

The product reaches the right end of the discharge channel 321, the upper end surface of the product is sucked up and down by the vacuum suction nozzle 23 on the turntable body 22, due to the particularity of the divider 21, the product can move up and down and simultaneously rotate clockwise to perform indexing motion, the vacuum suction nozzle 23 sucks the product, then the product enters the first group of product position correcting devices to perform position correction, then the product enters the first detection mechanism 40, the front side, the rear side, the left side, the right side and the bottom of the product are photographed and detected, the unqualified product enters the rear end defective product collecting cylinder 110, and the qualified product enters the resistance testing mechanism 50.

The resistance testing mechanism 50 can be provided with two groups for accurate alternate measurement, and can also be provided with one group for measurement, the resistance testing is carried out on the product after parameter setting is carried out according to the technical requirements of the product, if the test is unqualified, the product enters the rear-end defective product collecting cylinder 110, and the qualified product enters the marking mechanism 60.

The product enters the marking disc 61 after being corrected by the correcting mechanism 100, whether the product is installed in place is detected by optical fibers, after the marking disc 61 rotates clockwise to an angle position and the existence of materials is confirmed through secondary optical fiber detection, the laser marker 62 installed above the marking disc 61 performs laser lettering work on the product, lettering parameters can be set in the display screen, the rotation degree of the marking disc 61 reaches the second detecting mechanism 70 after lettering, the upper end surface of the product is shot and detected, whether the lettering meets the technical requirements or not is detected, the laser device parameter setting and the visual detection device parameter setting can be debugged on the display screen, a VGA converter is installed on a laser device mounting column behind the display screen, and a functional interface can be freely switched to perform parameter setting. The defective products are sucked into the rear end defective product collecting cylinder 110 by the vacuum suction nozzle 23 after the defective products are detected.

After the product is detected to be qualified, the marking disc 61 rotates to an initial position, the product is sucked and transferred to a correcting device through a vacuum suction nozzle 23 on the rotary disc body 22, the position of the product is corrected for the last time through the correcting device, the product enters the braiding mechanism 80 after being corrected, the carrier tape enters the carrier tape from an inlet on the left side of a braiding inlet turning plate, the upper end face of the carrier tape is pasted with a glue film and then enters a glue film sealing area, whether the material shortage exists in the carrier tape is detected through a third detection mechanism 90 in the braiding process, the SMD fuse braiding integrity is guaranteed, then the packaging film heating and sealing assembly 83 is used for heating and sealing the film, the carrier tape enters the tape cutting assembly 84 after being sealed with the film, the carrier tape with the empty front end is cut after the carrier tape is trimmed and then enters the tape collecting area, the clamp tape is placed in the tape collecting area, the carrier tape with the braided completed is placed in the clamp tape until the braiding is completed, the rear end of the carrier tape is cut, the clamp tape is packaged, and the work is completed.

The utility model integrates the procedures of SMD fuse appearance detection, resistance test, marking, braiding and the like into one machine, and the layout of each mechanism is reasonable, so that the time of the procedure action of each mechanism can be effectively planned, the equipment production is smoother and faster, and the production efficiency is improved; and can detect six outward appearances of product appearance, effectively reduce the defective index of product, improve product quality.

Although the above embodiments have been described in detail, it should be understood by those skilled in the art that various changes, modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be encompassed by the appended claims.

Claims (10)

1. The utility model provides a have six visual detection SMD fuse and detect marking braid all-in-one, includes the organism, its characterized in that: the organism is equipped with carousel mechanism, carousel mechanism periphery is equipped with the feed mechanism that is used for the feed, is used for detecting the product bottom surface, controls the side and around with the first detection mechanism of side, is used for carrying out the resistance test mechanism of impedance test to the product, is used for carving into product property index's marking mechanism on the product surface, is used for detecting whether the product is beaten the mark complete and product surface outward appearance's second detection mechanism, is used for carrying out the braid mechanism of braid packing to the product and is used for detecting the interior third detection mechanism who lacks the material of carrier band.

2. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 1, wherein: the rotary table mechanism comprises a divider, a rotary table body arranged on the divider and a plurality of vacuum suction nozzles uniformly arranged on the periphery of the rotary table body at intervals, and the vacuum suction nozzles are connected with a vacuum pump.

3. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 1, wherein: feed mechanism is including expecting device and vibration dish, expect the device and include the hopper and set up the guide passageway of hopper bottom, the guide passageway is connected the vibration dish, the vibration dish is equipped with discharging channel, discharging channel with carousel mechanism periphery butt joint, the guide passageway is equipped with the vibration electro-magnet and is used for detecting whether there is the photoelectric switch of material in the vibration dish, the vibration electro-magnet is connected photoelectric switch.

4. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 1, wherein: first detection mechanism is including the prism box that is used for shining four sides around the projection product about, be used for the reflection the image of prism box and shine the spectroscope of projection product bottom surface, be used for the shooting the first camera of the image on the spectroscope, the slope frame is equipped with four prism pieces in the prism box, the spectroscope be 45 slope set up in prism box below, first camera with the spectroscope is located same water flat line, be equipped with first camera lens on the first camera.

5. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 4, wherein: the prism box with be equipped with the first light source box that is used for carrying out the light filling to the product between the spectroscope, be equipped with in the first light source box with the light source piece of prism piece one-to-one, the spectroscope bottom is equipped with the second light source box that is used for carrying out the light filling to the spectroscope.

6. The SMD fuse detection, marking and taping all-in-one machine with six-sided visual detection function as claimed in claim 1, wherein: the resistance testing mechanism comprises at least one group of testing seat, the testing seat is provided with a resistance testing head which is in contact fit with two ends of the SMD fuse and a resistance instrument which is connected with the resistance testing head, and the resistance testing head is a laser probe.

7. The SMD fuse detection, marking and taping all-in-one machine with six-sided visual detection function as claimed in claim 1, wherein: marking mechanism is in including the radium-shine marker of laser that is used for transporting the mark dish of beating of product and sets up beat the mark dish top, beat and be equipped with a plurality of product standing grooves that are used for preventing the product on the mark dish, beat mark dish one side and be equipped with the pipe of discharging fume that is used for getting rid of unnecessary lime-ash and exhaust fume, second detection mechanism is including erectting in beat the second camera of mark dish top with set up in the first annular light source of second camera below, the second camera is equipped with the second camera lens.

8. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 1, wherein: braid mechanism is equipped with carrier band dish, carrier band conveying component, packaging film heating seal subassembly and the cutting tape subassembly that is used for placing the carrier band, carrier band conveying component's entrance with carousel mechanism meets, be equipped with the optical fiber sensor who is used for the count on the carrier band conveying component, third detection mechanism is for setting up the third camera in carrier band conveying component top, the third camera is equipped with the third camera lens, the third camera with be equipped with the second annular light source that is used for the light filling between the carrier band conveying component.

9. The SMD fuse detection, marking and taping all-in-one machine with six-sided visual detection function as claimed in claim 1, wherein: the correcting mechanisms for correcting and adjusting the positions of the products are arranged between the feeding mechanism and the first detection mechanism, between the resistance testing mechanism and the marking mechanism and between the second detection mechanism and the braiding mechanism.

10. The integrated machine for fuse detection, marking and taping with six-sided visual detection SMD according to claim 1, wherein: and the rear end of the first detection mechanism, the rear end of the resistance testing mechanism and the rear end of the braiding mechanism are provided with defective product collecting barrels.

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