Powder particle size on-line monitoring equipment and method thereof

Abstract

The invention belongs to the technical field of particle size detection, and particularly relates to powder particle size on-line monitoring equipment and a method thereof.The powder particle size on-line monitoring equipment comprises a chassis, a discharging piece is arranged above the chassis and comprises a rotatable first rotating rod, the first rotating rod rotates clockwise, a cross plate is installed at the top of the first rotating rod, and a second rotating rod is installed at the bottom of the cross plate; rotating seats are installed at the four ends of the cross plate correspondingly, discharging discs are rotationally connected to the tops of the rotating seats, guide rails are arranged at the positions, located at the bottoms of the discharging discs, of the top of the chassis, the guide rails are used for supporting the discharging discs, and a second notch is formed in the position, located below the discharging disc on the right side, of the top of each guide rail; the discharging disc is used for discharging the detection material after inclining; through motor driving and precise mechanical structure design, automatic conveying and uniform distribution of powder are achieved, and meanwhile the particle size condition of the powder can be monitored in real time in combination with the advanced monitoring technology. Therefore, the monitoring accuracy is improved, the manual intervention is greatly reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of particle size detection, and in particular to an online monitoring device and method for powder particle size. Background Art

[0002] In the asphalt powder industry, the monitoring of powder particle size is a key link to ensure product quality and production efficiency. Traditional powder particle size monitoring methods mostly rely on manual screening and sampling detection. This method is not only time-consuming and labor-intensive, but also easily affected by human factors, resulting in the accuracy and reliability of the monitoring results being questioned. In addition, as the market has increasingly stringent requirements on powder particle size, traditional monitoring methods have been unable to meet production needs, and a more efficient and accurate online monitoring device for powder particle size is urgently needed. However, most of the online monitoring devices for powder particle size on the existing market have some problems, such as low monitoring accuracy, low degree of automation, and poor adaptability. These problems not only affect the monitoring effect of the equipment, but also limit its application in monitoring powders of different types and sizes. Especially when the powder particle size requirements are strict and the production scale is large, these problems are particularly prominent, seriously affecting production efficiency and product quality. Summary of the invention

[0003] In order to solve the above problems, the present invention proposes an online monitoring device and method for powder particle size, so as to more accurately solve the problems raised in the above background technology.

[0004] The present invention is achieved through the following technical solutions: The present invention proposes an online monitoring device for powder particle size, comprising a chassis, a discharge piece is arranged above the chassis, the discharge piece comprises a rotatable rotating rod one, and the rotating rod one rotates clockwise, a cross plate is installed on the top of the rotating rod one, and a rotating seat is installed at the four ends of the cross plate respectively, and a discharge tray is rotatably connected to the top of the rotating seat, and a guide rail is arranged at the top of the chassis located at the bottom of the discharge tray, and the guide rail is used to support the discharge tray, and a notch two is opened at the top of the guide rail located below the discharge tray on the right side, which is used to discharge the detection material after the discharge tray is tilted, and the bottom of the guide rail is located on the left side A notch is provided below the discharge tray, and a beating part is provided at the bottom of the notch. The beating part is used to vibrate the discharge tray after beating the guide rail, so as to oscillate and drop the excess material and distribute the material more evenly. A transmission part is provided on the surface of the rotating rod, and the transmission part is used to drive the beating part to work. A monitor is provided above the discharge tray at the rear of the chassis for monitoring and photographing the materials. The discharge tray at the front is used for discharging materials. A collecting trough with a discharge pipe is installed on the top of the chassis. The collecting trough is connected with the rotating rod for collecting the fallen materials.

[0005] Preferably, the beating part includes a mounting plate installed at a notch, a rotatable roller is installed on the surface of the mounting plate, a plurality of protrusions are installed on the surface of the roller, a plurality of hollow blocks are installed in the notch, and the protrusions are used to lift the hollow blocks.

[0006] Preferably, a hanging rod is installed on the inner wall of the notch 1, a sliding groove is provided at the hollow block, and the hanging rod is inserted into the sliding groove for hanging the hollow block.

[0007] Preferably, the transmission part 1 includes a gear ring installed on the surface of a rotating rod 1, a circular gear is rotatably connected to the inner wall of the aggregate trough through a bearing, the circular gear and the gear ring are meshingly connected, a bevel gear 1 is installed on the top of the circular gear, a mounting plate 2 is installed at the bottom of the guide rail, the back of the mounting plate 2 is rotatably connected to a rotating rod 2 through a bearing, a bevel gear 2 is installed on the surface of the rotating rod 2, the bevel gear 2 is meshingly connected to the bevel gear 1, and a belt is installed between the rotating rod 2 and the roller, which is used to drive the rotation of the roller when the rotating rod 2 rotates.

[0008] Preferably, a blowing part is provided on the top of the chassis, and the blowing part includes a piston cylinder that can automatically blow air, an air inlet pipe and an air guide pipe are installed on the surface of the piston cylinder, a diverter pipe is installed on the end of the air guide pipe, an air outlet nozzle is installed on the bottom of the diverter pipe, and the air outlet nozzle is located on the top of the right-side discharge tray, a transmission part 2 is installed on the surface of the rotating rod 1, and the transmission part 2 is used to push the piston cylinder, and a mounting plate 3 is installed on the bottom of the guide rail, and the mounting plate 3 is used for installing the piston cylinder.

[0009] Preferably, the transmission part two includes a toothed disc installed on the surface of a rotating rod, and only three-quarters of the teeth are installed on the toothed disc and a notch is arranged at the left front. A mounting plate four is installed at the bottom of the guide rail, a spring is installed on the side of the mounting plate four, a connecting piece is installed at the end of the spring, a rack is installed on the side of the connecting piece, the rack and the toothed disc are meshingly connected, an L-shaped rod is installed at the end of the rack, and the L-shaped rod is connected to the extraction part of the piston cylinder.

[0010] Preferably, a scraper plate is provided on the surface of the guide rail at one side of the top of the left discharge tray, which is used to limit the material on the top of the discharge tray.

[0011] Preferably, a motor is installed on the top of the chassis, and the motor is used to drive the rotation of rotating rod 1. The top of the chassis is fixedly connected with support column 1 and support column 2, and support column 1 is connected to the bottom of the aggregate trough, and support column 2 is connected to the bottom of the guide rail.

[0012] A pulverizing method for an online monitoring device for powder particle size includes the following steps: Starting the motor: Starting the motor drives the first rotating rod to rotate clockwise. Material conveying and vibration: The rotation of the first rotating rod drives the discharge tray to rotate through the cross plate and the rotating seat, and the material is conveyed from the front to the rear. During the conveying process, the first transmission part drives the second rotating rod and the roller to rotate through the gear ring, the circular gear, the bevel gear set and other components. The convex block on the roller continuously lifts the hollow block, beats the guide rail, and vibrates the discharge tray to make the material evenly distributed. Material monitoring: When the discharge tray rotates to the bottom of the monitor, the motor stops rotating. The monitor shoots the material on the discharge tray and records the particle size information. Material discharge: After the monitoring is completed, the motor is restarted, and the discharge tray continues to rotate. When the discharge tray rotates to the far right, the second transmission part drives the piston cylinder to release gas through the gear plate, the rack, the L-shaped rod and other components. The gas blows away the material on the top of the discharge tray through the air guide pipe, the diverter pipe and the air outlet nozzle, so that it falls into the collecting trough for collection.

[0013] Compared with the prior art, the present invention provides an online monitoring device and method for powder particle size, which has the following beneficial effects: The powder particle size online monitoring equipment realizes the automatic conveying and uniform distribution of powder through motor drive and precise mechanical structure design. At the same time, combined with advanced monitoring technology, it can monitor the particle size of powder in real time. This not only improves the accuracy of monitoring, but also greatly reduces manual intervention and improves production efficiency.

[0014] The online monitoring device for powder particle size can automatically identify and discharge powder that does not meet the particle size requirements during the monitoring process. These powders are collected in the aggregate tank for subsequent processing or reuse. This design avoids the errors and waste caused by manual screening in traditional monitoring methods, optimizes the powder processing process, and improves resource utilization.

[0015] This powder particle size online monitoring equipment realizes precise control of the rotation, vibration and material discharge of the discharge plate through ingenious mechanical transmission design, such as the flexible use of gear rings, circular gears, bevel gear sets and other components. This design enables the equipment to meet the monitoring needs of powders of different types and particle sizes, enhancing the adaptability and flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of an online monitoring device and method for powder particle size proposed by the present invention; Figure 2 This is a structural back view of an online monitoring device and method for powder particle size proposed by the present invention; Figure 3 A top view of the structure of an online monitoring device and method for powder particle size proposed by the present invention; Figure 4 This is a right view of the structure of an online monitoring device and method for powder particle size proposed by the present invention; Figure 5 This is a schematic structural diagram of a transmission part 2 of an online monitoring device for powder particle size and a method thereof proposed by the present invention; Figure 6 This is a schematic structural diagram of the blowing part of a powder particle size online monitoring device and method thereof proposed by the present invention; Figure 7 The invention provides a powder particle size online monitoring device and method thereof. Figure 1 A magnified schematic diagram of area A in the middle.

[0017] In the figure: 1, chassis; 11, motor; 12, support column 1; 13, support column 2; 2, material discharge part; 21, rotating rod 1; 22, cross plate; 23, rotating seat; 24, material discharge tray; 3, guide rail; 31, notch 1; 32, notch 2; 4, monitor; 5, beating part; 51, mounting plate 1; 52, roller; 53, convex block; 54, hollow block; 55, hanging rod; 6, transmission part 1; 61, gear ring; 62, round gear; 63, bevel gear one; 64, bevel gear two; 65, rotating rod two; 66, mounting plate two; 67, belt piece; 7, collecting trough; 8, blowing part; 81, piston cylinder; 82, air inlet pipe; 83, air guide pipe; 84, diverter pipe; 85, air outlet nozzle; 86, mounting plate three; 9, transmission part two; 91, toothed disc; 92, rack; 93, connecting piece; 94, spring; 95, L-shaped rod; 96, mounting plate four. DETAILED DESCRIPTION

[0018] In order to more clearly and completely illustrate the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings. Example

[0019] like Figure 1-Figure 7As shown, an online monitoring device for powder particle size proposed by one embodiment of the present invention includes a chassis 1. A discharge member 2 is arranged above the chassis 1, and the discharge member 2 includes a rotating rod 21 that rotates clockwise. A cross plate 22 is installed on the top of the rotating rod 21, and a rotating seat 23 is installed on the four ends of the cross plate 22, and the top of the rotating seat 23 is rotatably connected to the discharge tray 24. A guide rail 3 is arranged at the top of the chassis 1 at the bottom of the discharge tray 24 for supporting the discharge tray 24. A notch 32 is arranged on the right side of the top of the guide rail 3 for discharging materials after the discharge tray 24 is tilted. A notch 31 is arranged on the left side of the bottom of the guide rail 3, and a beating part 5 is arranged at the bottom of the notch 31 for vibrating the discharge tray 24. A transmission part 6 is arranged on the surface of the rotating rod 21 for driving the beating part 5. A monitor 4 is arranged at the rear of the chassis 1 for monitoring and photographing materials. A collecting trough 7 with a discharge pipe is installed on the top of the chassis 1 to collect the fallen materials. The equipment realizes the uniform distribution and particle size monitoring of the powder, and effectively improves the monitoring accuracy and efficiency.

[0020] In the present invention, the beating part 5 includes a mounting plate 51 mounted at the notch 31, a rotatable roller 52 is mounted on the surface of the mounting plate 51, and a plurality of protrusions 53 are mounted on the surface of the roller 52. A plurality of hollow blocks 54 are mounted in the notch 31, and the protrusions 53 are used to lift the hollow blocks 54. The rotation of the roller 52 lifts the hollow blocks 54 through the protrusions 53, thereby achieving the beating of the guide rail 3, effectively vibrating the discharge tray 24, and making the material distribution more uniform.

[0021] In the present invention, a hanging rod 55 is installed on the inner wall of the notch 31, and a slide groove is opened at the hollow block 54. The hanging rod 55 is inserted into the slide groove to suspend the hollow block 54. The setting of the hanging rod 55 enables the hollow block 54 to move up and down stably in the notch 31, thereby improving the stability and service life of the flapping part 5.

[0022] In the present invention, the transmission part 16 includes a gear ring 61 installed on the surface of the rotating rod 121, and a circular gear 62 is rotatably connected to the inner wall of the collecting trough 7 through a bearing, and the circular gear 62 and the gear ring 61 are meshed. A bevel gear 163 is installed on the top of the circular gear 62, and a mounting plate 266 is installed on the bottom of the guide rail 3. The back of the mounting plate 266 rotates the rotating rod 265 through a bearing, and a bevel gear 264 is installed on the surface of the rotating rod 265, and the bevel gear 264 is meshed with the bevel gear 163. A belt member 67 is installed between the rotating rod 265 and the roller 52 to drive the rotation of the roller 52. The rotation of the rotating rod 121 drives the rotating rod 265 to rotate through the gear ring 61, the circular gear 62 and the bevel gear group, and then drives the roller 52 to rotate through the belt member 67, thereby realizing the automatic driving of the beating part 5.

[0023] In the present invention, a blowing part 8 is provided on the top of the chassis 1, including a piston cylinder 81 capable of automatic blowing, an air inlet pipe 82 and an air guide pipe 83 are installed on the surface of the piston cylinder 81, a shunt pipe 84 is installed at the end of the air guide pipe 83, an air outlet nozzle 85 is installed at the bottom of the shunt pipe 84, and the air outlet nozzle 85 is located at the top of the right discharge tray 24. A transmission part 29 is installed on the surface of the rotating rod 1 21 for pushing the piston cylinder 81. A mounting plate 3 86 is installed at the bottom of the guide rail 3 for mounting the piston cylinder 81. The setting of the transmission part 29 enables the piston cylinder 81 to release gas at an appropriate time, and blow away the material on the top of the discharge tray 24 through the air outlet nozzle 85, thereby realizing the automatic discharge of the material.

[0024] In the present invention, the transmission part 29 includes a toothed disc 91 installed on the surface of the rotating rod 1 21, and only three-quarters of teeth are installed on the toothed disc 91, and a gap is set at the left front. A mounting plate 4 96 is installed at the bottom of the guide rail 3, and a spring 94 is installed on the side of the mounting plate 4 96. A connecting piece 93 is installed at the end of the spring 94, and a rack 92 is installed on the side of the connecting piece 93. The rack 92 and the toothed disc 91 are meshed and connected. An L-shaped rod 95 is installed at the end of the rack 92. The L-shaped rod 95 and the extraction part of the piston cylinder 81 are connected. The rotation of the rotating rod 1 21 is realized through the meshing of the toothed disc 91 and the rack 92, and the elastic force of the spring 94, so as to realize the automatic pushing and releasing of the piston cylinder 81, thereby controlling the release timing of the gas.

[0025] In the present invention, a scraper plate is arranged at the surface of the guide rail 3 and the top side of the left discharge tray 24. The setting of the scraper plate for limiting the material on the top of the discharge tray 24 effectively limits the overflow of the material on the top of the discharge tray 24, ensuring the uniform distribution of the material and the stable operation of the equipment.

[0026] In the present invention, a motor 11 is installed on the top of the chassis 1 to drive the rotation of the rotating rod 1 21. The top of the chassis 1 is fixedly connected with a support column 12 and a support column 2 13, the support column 1 12 is connected to the bottom of the aggregate trough 7, and the support column 2 13 is connected to the bottom of the guide rail 3. The setting of the motor 11 provides a power source for the rotation of the rotating rod 1 21, and the setting of the support column 1 12 and the support column 2 13 ensures the stability and reliability of the equipment.

[0027] A pulverizing method of an online monitoring device for powder particle size includes the following steps: placing the material on the frontmost discharge tray 24. Starting the motor 11, so that the rotating rod 21 rotates clockwise, driving the discharge tray 24 to rotate with the material to the leftmost side. During the rotation process, the transmission part 6 drives the beating part 5 to continuously beat the bottom of the guide rail 3, vibrating the discharge tray 24, so that the material is evenly distributed, and the excess material falls into the collecting trough 7. When the discharge tray 24 rotates to the bottom of the monitor 4, it stops, and the material is photographed through the monitor 4.

[0028] Restart the motor 11 to rotate the discharge tray 24 to the far right. At this time, the transmission part 2 9 drives the piston cylinder 81 to release gas, and the material on the top of the discharge tray 24 is blown away through the gas outlet nozzle 85 and discharged into the collecting trough 7 for collection. This method realizes the uniform distribution of powder, particle size monitoring and automatic discharge, and improves the crushing efficiency and monitoring accuracy.

[0029] Finally, it should be noted that the basic concepts have been described above. Obviously, for those skilled in the art, the above detailed disclosure is only an example and does not constitute a limitation of this specification. Although it is not explicitly stated here, those skilled in the art may make various modifications, improvements and corrections to this specification. Such modifications, improvements and corrections are suggested in this specification, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of this specification. At the same time, this specification uses specific words to describe the embodiments of this specification. For example, "one embodiment", "one embodiment", and / or "some embodiments" refer to a certain feature, structure or characteristic related to at least one embodiment of this specification. Therefore, it should be emphasized and noted that "one embodiment" or "one embodiment" or "an alternative embodiment" mentioned twice or more in different positions in this specification does not necessarily refer to the same embodiment. In addition, certain features, structures or characteristics in one or more embodiments of this specification can be appropriately combined. In addition, unless explicitly stated in the claims, the order of processing elements and sequences described in this specification, the use of alphanumeric characters, or the use of other names are not used to limit the order of the processes and methods of this specification.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An online monitoring device for powder particle size, comprising a chassis (1), characterized in that: A material discharge member (2) is arranged above the chassis (1), the material discharge member (2) comprises a rotatable rotating rod (21), and the rotating rod (21) rotates clockwise. A cross plate (22) is installed on the top of the rotating rod (21), and rotating seats (23) are installed at the four ends of the cross plate (22). The top of the rotating seat (23) is rotatably connected to a material discharge tray (24). A guide rail (3) is arranged at the top of the chassis (1) and located at the bottom of the material discharge tray (24). The guide rail (3) is used to support the material discharge tray (24). A notch (32) is provided at the top of the guide rail (3) below the right material discharge tray (24) for discharging the test material after the material discharge tray (24) is tilted. The bottom of the guide rail (3) is located at the left material discharge tray (24). ) is provided below the guide rail (3), a notch (31) is provided at the bottom of the notch (31), the notch (31) is provided with a beating portion (5), the beating portion (5) is used to beat the guide rail (3) and vibrate the discharge tray (24), so as to cause excess material to fall off and to distribute the material more evenly, a transmission portion (6) is provided on the surface of the rotating rod (21), the transmission portion (6) is used to drive the beating portion (5) to work, a monitor (4) is provided above the discharge tray (24) at the rear of the chassis (1), so as to monitor and photograph the material, and the discharge tray (24) at the front is used for discharging the material, and a collecting trough (7) with a discharge pipe is installed on the top of the chassis (1), the collecting trough (7) is connected to the rotating rod (21) through and for collecting the fallen material.

2. The on-line monitoring device for powder particle size according to claim 1, characterized in that: The beating portion (5) comprises a mounting plate (51) mounted at the notch (31), a rotatable roller (52) being mounted on the surface of the mounting plate (51), a plurality of protrusions (53) being mounted on the surface of the roller (52), a plurality of hollow blocks (54) being mounted in the notch (31), the protrusions (53) being used to lift up the hollow blocks (54).

3. The on-line monitoring device and method for powder particle size according to claim 2, characterized in that: A hanging rod (55) is installed on the inner wall of the notch 1 (31), and a sliding groove is provided at the hollow block (54). The hanging rod (55) is inserted into the sliding groove to hang the hollow block (54).

4. The on-line monitoring device for powder particle size according to claim 2, characterized in that: The transmission part 1 (6) comprises a gear ring (61) mounted on the surface of a rotating rod 1 (21); a circular gear (62) is rotatably connected to the inner wall of the collecting trough (7) via a bearing; the circular gear (62) and the gear ring (61) are meshingly connected; a bevel gear 1 (63) is mounted on the top of the circular gear (62); a mounting plate 2 (66) is mounted on the bottom of the guide rail (3); a rotating rod 2 (65) is rotatably connected to the back of the mounting plate 2 (66) via a bearing; a bevel gear 2 (64) is mounted on the surface of the rotating rod 2 (65); the bevel gear 2 (64) and the bevel gear 1 (63) are meshingly connected; a belt member (67) is mounted between the rotating rod 2 (65) and the roller (52) for driving the roller (52) to rotate when the rotating rod 2 (65) rotates.

5. The on-line monitoring device for powder particle size according to claim 1, characterized in that: The top of the chassis (1) is provided with a blowing part (8), the blowing part (8) comprising a piston cylinder (81) capable of automatically blowing air, an air inlet pipe (82) and an air guide pipe (83) are mounted on the surface of the piston cylinder (81), a diverter pipe (84) is mounted at the end of the air guide pipe (83), an air outlet nozzle (85) is mounted at the bottom of the diverter pipe (84), the air outlet nozzle (85) is located at the top of the right discharge tray (24), a transmission part (9) is mounted on the surface of the rotating rod (21), the transmission part (9) is used to push the piston cylinder (81), and a mounting plate (86) is mounted on the bottom of the guide rail (3), the mounting plate (86) is used to mount the piston cylinder (81).

6. The on-line monitoring device for powder particle size according to claim 5, characterized in that: The transmission part 2 (9) comprises a toothed disc (91) mounted on the surface of the rotating rod 1 (21), and the toothed disc (91) is only mounted with three quarters of teeth and a notch is arranged at the left front. A mounting plate 4 (96) is mounted at the bottom of the guide rail (3), a spring (94) is mounted on the side of the mounting plate 4 (96), a connecting plate (93) is mounted on the end of the spring (94), a rack (92) is mounted on the side of the connecting plate (93), the rack (92) and the toothed disc (91) are meshingly connected, an L-shaped rod (95) is mounted on the end of the rack (92), and the L-shaped rod (95) is connected to the extraction point of the piston cylinder (81).

7. The on-line monitoring device for powder particle size according to claim 1, characterized in that: A scraper plate is provided on the surface of the guide rail (3) at one side of the top of the left discharge tray (24), and is used to limit the position of the material on the top of the discharge tray (24).

8. The on-line monitoring device for powder particle size according to claim 1, characterized in that: A motor (11) is installed on the top of the chassis (1), and the motor (11) is used to drive the rotation of the rotating rod 1 (21). The top of the chassis (1) is fixedly connected to a support column 1 (12) and a support column 2 (13). The support column 1 (12) is connected to the bottom of the aggregate trough (7), and the support column 2 (13) is connected to the bottom of the guide rail (3).

9. A method for crushing a powder material particle size online monitoring device, comprising the powder material particle size online monitoring device according to claim 1-8, characterized in that: The following steps are involved: Start the motor: Start the motor (11), and the motor drives the rotating rod 1 (21) to rotate clockwise; Material conveying and vibration: The rotation of the rotating rod 1 (21) drives the discharge tray (24) to rotate through the cross plate (22) and the rotating seat (23), and the material is conveyed from the front to the back. During the conveying process, the transmission part 1 (6) drives the rotating rod 2 (65) and the roller (52) to rotate through the gear ring (61), the circular gear (62), the bevel gear set and other components. The convex block (53) on the roller (52) continuously lifts the hollow block (54), slaps the guide rail (3), and vibrates the discharge tray (24) to evenly distribute the material; Material monitoring: When the material discharging tray (24) rotates to the bottom of the monitor (4), the motor stops rotating. The monitor (4) takes a picture of the material on the material discharging tray (24) and records the particle size information; Material discharge: After monitoring is completed, the motor (11) is restarted and the discharge tray (24) continues to rotate. When the discharge tray (24) rotates to the rightmost position, the transmission part 2 (9) drives the piston cylinder (81) to release gas through the gear plate (91), the rack (92), the L-shaped rod (95) and other components. The gas blows away the material on the top of the discharge tray (24) through the air guide pipe (83), the diverter pipe (84) and the air outlet nozzle (85), causing it to fall into the collecting trough (7) for collection.

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