CN216163446U - Collection device of collecting type potato harvester - Google Patents

Abstract

The utility model discloses a collecting device for a collecting type potato harvester, which comprises a collecting part, wherein the collecting part comprises a laying component arranged at the tail end of the collecting type potato harvester, and the laying component is wound with a first canvas; the surface of the first canvas is fixedly provided with a plurality of supporting plates which are arranged at intervals in sequence, two ends of each supporting plate are fixedly connected with a flexible plate, the flexible plates are fixedly connected with the surface of the first canvas, a first placing groove is formed between the top surface of each flexible plate and the top surface of each supporting plate, one end of each first placing groove, far away from the supporting plates, is fixedly connected with a pull rod, and a tension spring is fixedly connected between the end part of each pull rod and each supporting plate; the soil crushing part comprises a soil crushing roller arranged at the front end of the laying component, and the soil crushing roller is rotationally connected to the bottom end of the strip collecting type potato harvester. The utility model can realize the collection and the recycling of potatoes which are excavated and subjected to impurity removal by the collecting type potato harvester, has stable and reliable work and strong adaptability of machine tool operation, and meets the agricultural harvesting requirement.

Description

Collection device of collecting type potato harvester

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a collecting device of a collecting type potato harvester.

Background

The whole process mechanization of the potato industry is promoted, particularly the mechanization of the potato harvesting process is promoted, and the method has important significance for guaranteeing the efficiency and income of the potato industry. At present, the most common potato harvesters on the market are mainly of a combination type and a sectional strip collecting type. The combined potato harvester integrates digging, impurity removal, conveying and collecting, has high harvesting efficiency, but has low machine reliability, large occupied area, large equipment investment and high potato damage rate; the segmented strip-collecting type potato harvester can effectively avoid most defects of a combined type, potatoes after strip collection are more favorable for later-stage transportation and storage after the surfaces of the potatoes are aged through natural airing, the damage rate is obviously reduced, and the problems of large picking workload and high picking cost in the later stage are urgently needed to be solved.

Therefore, the collecting type harvester is innovated and improved, manual picking operation is eliminated, mechanical potato picking is achieved, the industrial requirement is urgent, and the market prospect is wide.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a collecting device of a collecting bar type potato harvester, which is used for solving the problems in the prior art and realizing the collection and recycling of potatoes excavated and subjected to impurity removal by the collecting bar type potato harvester.

In order to achieve the purpose, the utility model provides the following scheme: a collecting device for a windlass potato harvester, comprising:

the collecting part comprises a laying component arranged at the tail end of the collecting type potato harvester, the laying component is wound with first canvas, when the collecting type potato harvester moves forwards, the laying component moves synchronously along with the collecting type potato harvester, in the moving process, the laying component unreels the first canvas, and potatoes conveyed by the collecting type potato harvester are received and collected by the first canvas; the surface of the first canvas is fixedly provided with a plurality of supporting plates which are arranged at intervals in sequence, two ends of each supporting plate are fixedly connected with a flexible plate, the flexible plates are fixedly connected with the surface of the first canvas, a first placing groove is formed between the top surface of each flexible plate and the top surface of each supporting plate, one end, away from the supporting plate, of each first placing groove is fixedly connected with a pull rod, a tension spring is fixedly connected between the end part of each pull rod and each supporting plate, each pull rod is detachably connected with the corresponding first placing groove, and a second canvas is fixedly connected between each pull rod and the corresponding first placing groove; when the first canvas is wound on the laying component, the tension spring is in a stretching state, and the pull rod is placed in the first placing groove; after the first canvas is unreeled, the tension spring resets and pulls the pull rod, so that the edge of the first canvas is folded;

the soil crushing part comprises a soil crushing roller arranged at the front end of the laying component, and the soil crushing roller is rotationally connected to the bottom end of the strip collecting type potato harvester; when the collecting type potato harvester moves forwards, the soil crushing roller moves synchronously with the collecting type potato harvester, and soil crushing on the ground is flattened by the soil crushing roller in the moving process;

the conveying part comprises a conveying belt, a collecting box is arranged at the bottom of the discharge end of the conveying belt, the conveying belt is used for lifting the first canvas with the potatoes collected, and when the first canvas is lifted to the discharge end of the conveying belt, the potatoes collected on the surface of the first canvas fall into the collecting box.

Preferably, the laying component comprises two symmetrically-arranged laying wheels, the laying wheels are rotationally connected to the bottom of the tail end of the strip collecting type potato harvester, an unwinding roller is fixedly connected between the two laying wheels, and the first canvas is wound on the unwinding roller.

Preferably, the top surface of the supporting plate is provided with two symmetrically-arranged second placing grooves, the two second placing grooves are located between the two first placing grooves and communicated with the first placing grooves, the tension spring is arranged in the second placing groove, and one end, far away from the pull rod, of the tension spring is fixedly connected with one end, close to the central position of the supporting plate, of the second placing groove.

Preferably, the second canvas is stacked in the first placing groove.

Preferably, a plurality of vent holes are formed in the surface of the first canvas in a penetrating mode.

Preferably, a connecting rod penetrates through the soil crushing roller, the connecting rod is rotatably connected with the soil crushing roller, two ends of the connecting rod are fixedly connected with the bottom end of the strip collecting type potato harvester through supporting springs, and the soil crushing roller is located at the rear end of a land wheel of the strip collecting type potato harvester.

Preferably, the conveying impurity removing sieve positioned in the collecting type potato harvesting machine frame body is vertically and correspondingly arranged with the first canvas.

Preferably, the both ends of support body inboard can be dismantled respectively and be connected with the connecting plate, two connecting plate subtend sets up, the bottom rigid coupling of connecting plate has the baffle of gathering together, the baffle slope that gathers together sets up, the baffle of gathering together is located carry the end of edulcoration sieve with between the first canvas.

Preferably, the bottom of conveyer belt is equipped with flat subassembly of exhibition and retrieves the subassembly, flat subassembly of exhibition includes the exhibition flat roller that two upper and lower correspondences set up, the both sides of exhibition flat roller are equipped with first fixed plate respectively, first fixed plate with the lateral wall rigid coupling of conveyer belt, exhibition flat roller with first fixed plate rotates to be connected, retrieve the subassembly including unreeling the roller, unreeling the roller both ends respectively the rigid coupling have the shop to put the wheel, shop puts the wheel and can dismantle and be connected with the second fixed plate, the second fixed plate with the lateral wall rigid coupling of conveyer belt.

Preferably, the unwinding roller and the flattening roller of the recovery assembly are sequentially arranged along the feeding direction of the conveying belt.

The utility model discloses the following technical effects: before the collecting type potato harvester is used, the pull rod and the second canvas are firstly plugged into the first placing groove, so that the tension spring is in a stretching state, the first canvas is rolled to the laying component, when the collecting type potato harvester is used, the laying component moves synchronously along with the collecting type potato harvester, the laying component unwinds the first canvas in the moving process, the tension spring resets after unwinding, the pull rod is pulled, the pull rod drives the second canvas to be separated from the first placing groove, the second canvas forms a partition layer shape, the pull rod pulls the flexible plate to deform at the same time, two edges of the first canvas are driven to be folded to form a container shape with left and right flanges for receiving and collecting potatoes conveyed by the collecting type potato harvester, soil crushing rollers roll and flatten the ground crushed soil in the moving process of the collecting type potato harvester, and the uneven first canvas is prevented from bumping on the uneven ground, the potato picking device is simple in structure and strong in applicability, the cost can be reduced for recycling, potatoes are collected while damage to the potatoes is reduced, the potatoes are directly loaded into the collecting box through the conveying belt after being ventilated and aired, the later potato picking workload of workers is greatly reduced, the personnel demand is low, and the operation cost is reduced, so that the potato picking device is very suitable for the operation requirements of the workers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic structural view of a collecting device of the collecting type potato harvester of the utility model;

FIG. 2 is a schematic structural view of the laying assembly of the present invention and a first canvas;

FIG. 3 is a schematic structural view of the support plate when the tension spring is in a stretched state;

FIG. 4 is a schematic structural view of a half portion of the support plate in a return state of the tension spring;

FIG. 5 is a schematic view of the structure of the conveying section of the present invention;

wherein, 1 is first canvas, 2 is the backup pad, 3 is the flexbile plate, 4 is first standing groove, 5 is the pull rod, 6 is tension spring, 7 is the second canvas, 8 is the hack roller, 9 is the conveyer belt, 10 is for laying the wheel, 11 is for unreeling the roller, 12 is the second standing groove, 13 is the air vent, 14 is the connecting rod, 15 is supporting spring, 16 is the land wheel, 17 is the support body, 18 is for carrying the edulcoration sieve, 19 is the connecting plate, 20 is for gathering together the baffle, 21 is the nip roll, 22 is first fixed plate, 23 is the second fixed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-5, the present invention provides a collecting device for a cluster type potato harvester, comprising:

the collecting part comprises a laying component arranged at the tail end of the strip collecting type potato harvester, the laying component is wound with a first canvas 1, the first canvas 1 is foldable, different lengths of the first canvas 1 can be customized, when the strip collecting type potato harvester moves forwards, the laying component moves synchronously along with the strip collecting type potato harvester, the laying component unreels the first canvas 1 in the moving process, and potatoes conveyed by the strip collecting type potato harvester are received and collected by the first canvas 1; the surface of the first canvas 1 is fixedly provided with a plurality of supporting plates 2 which are arranged at intervals in sequence, two ends of each supporting plate 2 are fixedly connected with a flexible plate 3, the flexible plates 3 are fixedly connected with the surface of the first canvas 1, a first placing groove 4 is formed between the top surface of each flexible plate 3 and the top surface of each supporting plate 2, one end, far away from the supporting plate 2, of each first placing groove 4 is fixedly connected with a pull rod 5, a tension spring 6 is fixedly connected between the end part of each pull rod 5 and each supporting plate 2, each pull rod 5 is detachably connected with each first placing groove 4, and a second canvas 7 is fixedly connected between each pull rod 5 and each first placing groove 4; when the first canvas 1 is wound on the laying component, the tension spring 6 is in a stretching state, and the pull rod 5 is placed in the first placing groove 4; after the first canvas 1 is unreeled, the tension spring 6 resets and pulls the pull rod 5, so that the edge of the first canvas 1 is turned over;

the soil crushing part comprises a soil crushing roller 8 arranged at the front end of the laying component, and the soil crushing roller 8 is rotationally connected to the bottom end of the strip collecting type potato harvester; when the strip collecting type potato harvester moves forwards, the soil crushing roller 8 moves synchronously with the strip collecting type potato harvester, and the soil crushing roller 8 flattens the soil on the ground in the moving process;

the conveying part comprises a conveying belt 9, a collecting box is arranged at the bottom of the discharge end of the conveying belt 9, the conveying belt 9 is used for lifting and collecting first canvas 1 with potatoes, and when the first canvas 1 is lifted and conveyed to the discharge end of the conveying belt 9, the potatoes collected on the surface of the first canvas 1 drop into the collecting box.

According to the utility model, the digging and separating functions of a common collecting strip type potato harvester are fully utilized, and the collecting part capable of being wound and laid is added, so that the harvested potatoes directly fall onto the collecting part capable of being recycled, the requirements of accelerating the skin curing of fresh potatoes through natural ventilation and airing can be met, and the damage rate of potato harvesting is reduced; but also can realize the mechanized picking and conveying of the potatoes and synchronously recover the collecting part. The collecting device is simple in structure, good in universality, recyclable and low in cost, and well solves the problem of picking operation of the collecting type potato harvester.

Before the device is used, a pull rod 5 and a second canvas 7 are plugged into a first placing groove 4 to enable a tension spring 6 to be in a stretching state, the first canvas 1 is flattened and wound to a laying component, the first canvas 1 is required to be flattened to enable the tension spring 6 to be in the stretching state, the tension spring 6 is wound in the stretching state to prevent the tension spring 6 from resetting, the first canvas 1 can be tightly bound through a binding rope after winding, when the device is used, the laying component moves synchronously along with a strip collecting type potato harvester by moving the strip collecting type potato harvester forwards, the laying component unwinds the first canvas 1 in the moving process, when the device is used, the operator needs to pay attention, when the strip collecting type potato harvester moves, the operator needs to follow, when the strip collecting type potato harvester needs to unwind, the binding rope first, then a section of first canvas 1 is pulled out, the pulled part is rapidly flanged in the state that a tension spring 6 is reset, then an operator can place the section of first canvas 1 on the ground, the tension spring 6 is reset after unreeling, a pull rod 5 is pulled, the pull rod 5 drives a second canvas 7 to be separated from a first placing groove 4, the second canvas 7 forms a separation layer shape, meanwhile, the pull rod 5 pulls a flexible plate 3 to deform and drives two edges of the first canvas 1 to be turned over to form a left-right flanged container shape for receiving and collecting potatoes conveyed by the strip-collecting type potato harvester, and the potato blocks are conveniently conveyed on a conveying part at the later stage, in the moving process of the strip-collecting type potato harvester, soil crushing rollers 8 roll and flatten the ground soil crushing and flattening to prevent the first canvas 1 from bumping on the uneven ground, and after unreeling and collecting the first canvas 1 is ventilated and aired, the potatoes are put on the conveyer belt 9 by an operator to be lifted, and the potatoes are sent into the collecting box by the discharge end of the conveyer belt 9 to finish the collecting work.

According to the further optimization scheme, the laying component comprises two symmetrically-arranged laying wheels 10, the laying wheels 10 are rotationally connected to the bottom of the tail end of the strip collecting type potato harvester, an unwinding roller 11 is fixedly connected between the two laying wheels 10, the first canvas 1 is wound on the unwinding roller 11, when the strip collecting type potato harvester is moved forwards, the laying wheels 10 move synchronously along with the two laying wheels, the unwinding roller 11 is driven to rotate, and unwinding work is performed when the unwinding roller 11 rotates.

Further optimize the scheme, two second standing grooves 12 that the symmetry set up are seted up to the top surface of backup pad 2, and two second standing grooves 12 are located between two first standing grooves 4, and second standing groove 12 and first standing groove 4 intercommunication, and tension spring 6 arranges in second standing groove 12, and tension spring 6 keeps away from the one end of pull rod 5 and the one end rigid coupling that second standing groove 12 is close to backup pad 2 central point and puts, and second canvas 7 stacks in first standing groove 4. When flattening first canvas 1, second canvas 7 is stacked in first standing groove 4, pull rod 5 is pressed in second canvas 7 top, and arrange in first standing groove 4, tension spring 6 is in tensile state this moment, when unreeling, owing to do not receive the influence of constraining force, tension spring 6 resets and stimulates pull rod 5, pull rod 5 drives flexible board 3 and makes the edge of first canvas 1 turn up, under the effect that pull rod 5 has the displacement, second canvas 7 rather than the rigid coupling has also deviate from first standing groove 4, and form and separate the laminarly.

Further optimization scheme, a plurality of air vents 13 have been seted up in the surface of first canvas 1 run through, and air vent 13 possesses the effect of removing impurities and ventilating to the potato piece, removes the impurity in order to obtain more clean potato many times.

According to the further optimization scheme, the connecting rods 14 penetrate through the soil crushing rollers 8, the connecting rods 14 are rotatably connected with the soil crushing rollers 8, two ends of each connecting rod 14 are fixedly connected with the bottom end of the bar-collecting type potato harvester through the supporting springs 15, the soil crushing rollers 8 are located at the rear ends of the land wheels 16 of the bar-collecting type potato harvester, the soil crushing rollers 8 are driven to rotate synchronously when the land wheels 16 of the bar-collecting type potato harvester move, and the soil crushing rollers 8 are tightly attached to the ground under the action of the supporting springs 15, so that the ground can be rolled.

Further optimize the scheme, the conveying edulcoration sieve 18 that is located collection strip formula potato harvester support body 17 corresponds the setting from top to bottom with first canvas 1, and the curb plate at the inboard both ends of support body 17 can be dismantled respectively and be connected with connecting plate 19, and two connecting plates 19 subtend sets up, and the bottom rigid coupling of connecting plate 19 has a baffle 20 of gathering together, gathers together baffle 20 surface and makes by rubber, gathers together baffle 20 slope setting, gathers together baffle 20 and is located between the end and the first canvas 1 of conveying edulcoration sieve 18. A plurality of corresponding mounting holes are synchronously formed in the side plates and the connecting plate 19, and the gathering baffle 20 is adjustable in height up and down in a bolt mounting mode, so that potato blocks on the conveying impurity removing sieve 18 can be gathered into the container-shaped first canvas 1, and gaps arranged at the same time have the function of further removing impurities.

Further optimize the scheme, the bottom of conveyer belt 9 is equipped with flat subassembly and retrieves the subassembly, flat subassembly includes the nip roll 21 that two upper and lower correspondences set up, nip roll 21's both sides are equipped with first fixed plate 22 respectively, the lateral wall rigid coupling of first fixed plate 22 and conveyer belt 9, nip roll 21 rotates with first fixed plate 22 to be connected, retrieve the subassembly including unreeling roller 11, unreel roller 11's both ends respectively the rigid coupling have and shop's wheel 10, shop's wheel 10 can dismantle and be connected with second fixed plate 23, the lateral wall rigid coupling of second fixed plate 23 and conveyer belt 9, the unreeling roller 11 and nip roll 21 of retrieving the subassembly are arranged along the feed direction order of conveyer belt 9. When putting the first canvas 1 of container form on conveyer belt 9, it is flat and insert to between two exhibition flat rollers 21 with its one end that is close to the discharge end exhibition earlier, and extend to and unreel and carry out the rolling on the roller 11, second fixed plate 23 inboard is fixed with driving motor, it is rotatory to drive and spread wheel 10, and drive the unreeling roller 11 of retrieving the subassembly and carry out the rolling, the rolling in-process, the potato that rises to the conveyer belt 9 end directly falls into the collecting box, can be simultaneously with first canvas 1 again the rolling to unreeling on the roller 11, take off the back and place in the collection portion, can realize reuse.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (10)

1. A collecting device for a windrower potato harvester, comprising:

the collecting part comprises a laying component arranged at the tail end of the collecting type potato harvester, the laying component is wound with a first canvas (1), when the collecting type potato harvester moves forwards, the laying component moves synchronously along with the collecting type potato harvester, in the moving process, the laying component unreels the first canvas (1), and potatoes conveyed by the collecting type potato harvester are received and collected by the first canvas (1); the surface of the first canvas (1) is fixedly provided with a plurality of supporting plates (2) which are arranged at intervals in sequence, two ends of each supporting plate (2) are fixedly connected with a flexible plate (3), the flexible plates (3) are fixedly connected with the surface of the first canvas (1), a first placing groove (4) is formed between the top surface of each flexible plate (3) and the top surface of each supporting plate (2), one end, far away from the supporting plates (2), of each first placing groove (4) is fixedly connected with a pull rod (5), a tension spring (6) is fixedly connected between the end part of each pull rod (5) and each supporting plate (2), each pull rod (5) is detachably connected with each first placing groove (4), and a second canvas (7) is fixedly connected between each pull rod (5) and each first placing groove (4); when the first canvas (1) is wound on the laying assembly, the tension spring (6) is in a stretching state, and the pull rod (5) is placed in the first placing groove (4); when the first canvas (1) is unreeled, the tension spring (6) resets and pulls the pull rod (5), so that the edge of the first canvas (1) is folded;

the soil crushing part comprises a soil crushing roller (8) arranged at the front end of the laying component, and the soil crushing roller (8) is rotationally connected to the bottom end of the strip collecting type potato harvester; when the gathering type potato harvester moves forwards, the soil crushing roller (8) moves synchronously with the gathering type potato harvester, and soil crushing on the ground is flattened by the soil crushing roller (8) in the moving process;

the conveying part comprises a conveying belt (9), a collecting box is arranged at the bottom of the discharge end of the conveying belt (9), the conveying belt (9) is used for lifting the first canvas (1) with the potatoes collected, and when the first canvas (1) is lifted to the discharge end of the conveying belt (9), the potatoes collected on the surface of the first canvas (1) fall into the collecting box.

2. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: the laying component comprises two symmetrically-arranged laying wheels (10), the laying wheels (10) are rotationally connected to the bottom of the tail end of the strip-collecting type potato harvester, two unwinding rollers (11) are fixedly connected between the laying wheels (10), and first canvas (1) is wound on the unwinding rollers (11).

3. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: the top surface of the supporting plate (2) is provided with two symmetrically-arranged second placing grooves (12), the two second placing grooves (12) are located between the two first placing grooves (4), the second placing grooves (12) are communicated with the first placing grooves (4), the tension springs (6) are arranged in the second placing grooves (12), and one ends, far away from the pull rods (5), of the tension springs (6) are fixedly connected with one ends, close to the central position of the supporting plate (2), of the second placing grooves (12).

4. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: the second canvas (7) is stacked in the first placing groove (4).

5. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: a plurality of vent holes (13) are formed in the surface of the first canvas (1) in a penetrating mode.

6. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: the potato harvester is characterized in that a connecting rod (14) penetrates through the soil crushing roller (8), the connecting rod (14) is rotatably connected with the soil crushing roller (8), two ends of the connecting rod (14) are fixedly connected with the bottom end of the strip collecting type potato harvester through supporting springs (15), and the soil crushing roller (8) is located at the rear end of a ground wheel (16) of the strip collecting type potato harvester.

7. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: and the conveying impurity removing sieve (18) positioned in the collecting type potato harvester frame body (17) is vertically and correspondingly arranged with the first canvas (1).

8. The collecting device for a cluster bar potato harvester of claim 7, characterized in that: support body (17) inboard both ends can be dismantled respectively and be connected with connecting plate (19), two connecting plate (19) subtend sets up, the bottom rigid coupling of connecting plate (19) has the baffle (20) of gathering together, gather together baffle (20) slope setting, it is located to gather together baffle (20) carry the end of edulcoration sieve (18) with between first canvas (1).

9. The collecting device for a cluster bar potato harvester according to claim 1, characterized in that: the bottom of conveyer belt (9) is equipped with flat subassembly of exhibition and retrieves the subassembly, flat subassembly of exhibition includes that two correspond the exhibition flat roller (21) that sets up from top to bottom, the both sides of exhibition flat roller (21) are equipped with first fixed plate (22) respectively, first fixed plate (22) with the lateral wall rigid coupling of conveyer belt (9), exhibition flat roller (21) with first fixed plate (22) rotate to be connected, retrieve the subassembly including unreeling roller (11), the both ends rigid coupling of unreeling roller (11) have shop's wheel (10) respectively, shop's wheel (10) can be dismantled and be connected with second fixed plate (23), second fixed plate (23) with the lateral wall rigid coupling of conveyer belt (9).

10. The collecting device for a cluster bar potato harvester of claim 9, characterized in that: the unwinding roller (11) and the flattening roller (21) of the recovery assembly are sequentially arranged along the feeding direction of the conveying belt (9).

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