Carrier, conveying device and sorting machine

Abstract

The utility model provides a carrier, a conveying device and a sorting machine, which is characterized by comprising a plurality of bearing parts, the plurality of bearing parts are arranged along a first direction, in the first direction, at least one barrier strip is respectively arranged at two ends of each bearing part, the barrier strip extends in a second direction and protrudes towards one side of the bearing part, the first direction is intersected with the second direction, and the first direction is perpendicular to the second direction. And each bearing part is matched with the plurality of corresponding barrier strips to define a groove suitable for accommodating a battery piece. According to the carrier provided by the utility model, the plurality of bearing parts are arranged on the carrier, the barrier strips are respectively arranged at the two ends of each bearing part, and the grooves capable of limiting the battery pieces are defined by the matching of the bearing parts and the barrier strips, so that the battery pieces and the protective paper can be fixed in the grooves and are prevented from deviating and misplacing; therefore, the stability and the reliability of long-distance conveying are guaranteed, the structure is simple, and the cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cell production equipment, and more specifically, to a carrier, a conveying device and a sorting machine. Background Art

[0002] In the related art, the cell is an important component of a photovoltaic system, and the sorting machine is an important device for producing cells. When sorting cells, long-distance transportation is required. The prior art usually uses a flat belt for transportation and covers a protective paper on the surface of the cells to prevent the surface of the cells from being scratched. However, long-distance transportation by a flat belt easily causes the cells to deviate, and when the flat belt speeds up, the protective paper is prone to misalignment or floating around. Summary of the Utility Model

[0003] The first object of the utility model is to provide a new technical solution for a carrier, which can at least solve one of the problems that the cells are prone to deviation and the protective paper is prone to misalignment during transportation in the prior art.

[0004] The second object of the utility model is to provide a conveying device including the above-mentioned carrier.

[0005] The third object of the utility model is to provide a sorting machine including the above-mentioned conveying device.

[0006] According to the first aspect of the utility model, there is provided a carrier, comprising: a plurality of bearing parts arranged along a first direction, and at least one stop bar is provided at each end of each bearing part along the first direction. The stop bar extends in a second direction and protrudes towards one side of the bearing part. The first direction intersects with the second direction, and each bearing part and the corresponding plurality of stop bars cooperate to define a groove suitable for accommodating a cell.

[0007] Optionally, the stop bar is integrally formed on the bearing part.

[0008] Optionally, the groove has two inner wall surfaces spaced apart along the first direction. In the direction from the bottom of the groove towards the notch, the distance between the two inner wall surfaces of the groove gradually increases.

[0009] Optionally, the cross section of the stop bar is trapezoidal.

[0010] Optionally, at least one positioning part is provided on the bearing part, and the positioning part protrudes towards the same side of the bearing part as the stop bar. The positioning part is used for positioning in cooperation with a positioning hole on the cell.

[0011] Optionally, the height of the stop bar is higher than the height of the positioning part.

[0012] Optionally, a plurality of the positioning portions are provided on the carrying portion, at least two of the plurality of positioning portions are spaced apart along the first direction, and at least two of the plurality of positioning portions are spaced apart along the second direction.

[0013] Optionally, a first identification portion is provided on a side of the carrying portion facing the retaining strip. In the second direction, the first identification portion is provided at an end of the carrying portion, and the first identification portion is used to cooperate with a detection mechanism for identification and positioning.

[0014] Optionally, a plurality of the first identification portions are provided on each carrying portion, at least two of the plurality of first identification portions are spaced apart along the first direction, and at least two of the plurality of first identification portions are spaced apart along the second direction.

[0015] Optionally, there are also a plurality of partition portions. The partition portions are connected between adjacent carrying portions. A second identification portion is provided on a side of the partition portion facing the retaining strip, and the second identification portion is used to cooperate with a detection mechanism for identification and positioning.

[0016] Optionally, an adsorption hole penetrating along the thickness direction of the carrying portion is further provided on the carrying portion.

[0017] According to a second aspect of the present invention, a conveying device is provided, including: a conveyor belt, the conveyor belt includes a belt body, and the belt body has the carrier in any one of the above embodiments.

[0018] According to a third aspect of the present invention, a sorting machine is provided, including the conveying device in any one of the above embodiments.

[0019] According to the carrier of the present invention, by providing a plurality of carrying portions on the carrier and respectively providing retaining strips at both ends of the carrying portion, and using the cooperation between the carrying portion and the retaining strip to define a groove capable of limiting the battery cell, not only can the battery cell and the protective paper be fixed in the groove to prevent the battery cell and the protective paper from shifting and misaligning, thereby ensuring the stability and reliability of long-distance conveying, but also has the advantages of simple structure and low cost.

[0020] Other features and advantages of the present invention will become clear through the following detailed description of the exemplary embodiments of the present invention with reference to the accompanying drawings. Description of the Drawings

[0021] The drawings incorporated in the specification and constituting a part of the specification illustrate embodiments of the present invention and, together with the description, are used to explain the principles of the present invention.

[0022] Figure 1 is a perspective view of a conveying device according to an embodiment provided by the present invention;

[0023] Figure 2 It is an enlarged view of a partial structure of a conveying device according to an embodiment provided by the present utility model;

[0024] Figure 3 It is a perspective view of a carrier according to an embodiment provided by the present utility model;

[0025] Figure 4 It is a perspective view of a bearing part in a carrier according to an embodiment provided by the present utility model;

[0026] Figure 5 It is Figure 4 an enlarged view of the circled part at A in

[0027] Reference numerals

[0028] 100, conveying device;

[0029] 1, conveyor belt; 2, synchronous pulley; 3, driving member;

[0030] 10, carrier; 11, bearing part; 12, groove; 121, inner wall surface; 13, partition part;

[0031] 20, retaining bar; 30, positioning part; 40, first identification part; 50, second identification part; 60, adsorption hole. Detailed implementation manners

[0032] Now, various exemplary embodiments of the present utility model will be described in detail with reference to the accompanying drawings. It should be noted that: Unless otherwise specifically stated, the relative arrangements, numerical expressions, and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model.

[0033] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way limits the present utility model or its application or use.

[0034] Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such technologies, methods, and devices should be regarded as part of the specification.

[0035] In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values.

[0036] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] Next, the vehicle 10 according to the embodiments of the present invention will be specifically described with reference to the accompanying drawings.

[0038] As Figures 1 to 5 shown, the vehicle 10 according to the embodiments of the present invention includes: a plurality of bearing portions 11.

[0039] Specifically, the plurality of bearing portions 11 are arranged along a first direction. In the first direction, at least one retaining strip 20 is respectively provided at both ends of each bearing portion 11. The retaining strip 20 extends in a second direction and protrudes toward one side of the bearing portion 11. The first direction intersects the second direction. Each bearing portion 11 and the corresponding plurality of retaining strips 20 cooperate to define a groove 12 suitable for accommodating the battery cell.

[0040] In other words, the vehicle 10 according to the embodiments of the present invention is mainly composed of a plurality of bearing portions 11. Among them, the vehicle 10 can convey materials. The materials can include battery cells and protective paper covering the surface of the battery cells. The protective paper can protect the battery cells to prevent the battery cells from being damaged.

[0041] The first direction can be the conveying direction when the vehicle 10 conveys the battery cells, and the second direction can intersect the first direction. Optionally, the second direction can be perpendicular to the first direction, and the first direction and the second direction can be mutually perpendicular horizontal directions.

[0042] The vehicle 10 has a plurality of bearing portions 11 arranged along its own length direction. The bearing portion 11 can be a flat structure. The bearing portion 11 has two side surfaces. For the convenience of description, the two side surfaces of the bearing portion 11 can be defined as the first surface and the second surface respectively. When the bearing portion 11 is arranged on the endless belt, the first surface can be the outer side surface of the endless belt, and the second surface can be the inner side surface of the endless belt.

[0043] In the first direction, one or more retaining strips 20 can be respectively provided at both ends of the bearing portion 11. That is to say, the number of retaining strips 20 on the bearing portion 11 ≥ 2. In addition, the retaining strip 20 can be arranged on the first surface and protrude away from the bearing portion 11. The retaining strip 20 can extend in the second direction. Therefore, the bearing portion 11 and the retaining strips 20 provided at both ends of the bearing portion 11 can enclose to form a groove 12. The shape and size of the groove 12 can be adapted to the battery cell, ensuring that the battery cell can be accommodated in the groove 12 without hindrance. At the same time, the retaining strip 20 can limit the battery cell in the first direction and the width direction respectively, preventing the battery cell from shifting during the conveying process and preventing the protective paper from being misaligned or floating around, avoiding downtime and error reporting.

[0044] For example, two retaining strips 20 can be provided on each bearing portion 11, that is, one retaining strip 20 is provided at each end of the bearing portion 11. The two ends of each retaining strip 20 can be flush with the two ends of the bearing portion 11 in the second direction respectively.

[0045] In some other embodiments, a plurality of stoppers 20 may be provided at each end of the carrying part 11 in the first direction, and the plurality of stoppers 20 at each end may be spaced apart in the second direction.

[0046] Thus, for the carrier 10 according to the embodiment of the present invention, by providing a plurality of carrying parts 11 on the carrier 10 and respectively providing stoppers 20 at both ends of the carrying part 11, and using the cooperation of the carrying part 11 and the stoppers 20 to define a groove 12 capable of limiting the position of the battery cell, not only can the battery cell and the protective paper be fixed in the groove 12 to prevent the battery cell and the protective paper from shifting and misaligning, thereby ensuring the stability and reliability of long-distance transportation, but also has the advantages of simple structure and low cost.

[0047] In some alternative embodiments, at both ends of the groove 12 in the second direction are open. Since the stoppers 20 can already limit the positions of the battery cell and the protective paper in the second direction and the length direction, there is no need to close both ends of the groove 12. This not only helps to simplify the processing process and reduce costs, but also can avoid damaging the battery cell.

[0048] In some specific embodiments, define the height of the stopper 20 as the dimension of the stopper 20 in the thickness direction of the carrying part 11. The height of the stopper 20 can be higher than the total thickness of the battery cell with the protective paper on its surface, which is beneficial to further improve the limiting effect of the stopper 20 on the battery cell and the protective paper.

[0049] According to an embodiment of the present invention, the stopper 20 is integrally formed on the carrying part 11, that is to say, the stopper 20 can be fixedly connected to the carrying part 11, which is beneficial to improving the strength of the stopper 20 and preventing the stopper 20 from loosening.

[0050] Optionally, the integrally formed manner may include but is not limited to welding.

[0051] According to some other embodiments of the present invention, the groove 12 has two inner wall surfaces 121 spaced apart in the first direction. In the direction from the bottom of the groove 12 towards the notch, the distance between the two inner wall surfaces 121 of the groove 12 gradually increases.

[0052] Specifically, taking the example that there are two stoppers 20 provided on the carrying part 11, the surfaces of the two stoppers 20 facing each other can be respectively formed as the inner wall surfaces 121 of the groove 12, and the bottom of the groove 12 can be the surface of the carrying part 11. In the direction from the bottom of the groove 12 towards the notch, that is, in the direction from the first surface of the carrier 10 towards the top of the stopper, each inner wall surface 121 can be inclined and extend in the direction away from each other, so that the distance between the two inner wall surfaces 121 gradually increases.

[0053] During the loading process, the suction cup absorbs the battery cell and the protective paper and moves them to a position separated by a preset distance from the bottom surface of the groove 12, and then contacts and absorbs them, allowing the battery cell and the protective paper to fall freely. The inclined inner wall surface 121 can guide the battery cell and the protective paper to fall to the bottom of the groove 12. Therefore, even if the position of the suction cup is slightly offset or slightly shaken during the loading process, the battery cell and the protective paper can also fall into a specific position, thereby achieving positioning while preventing the battery cell from colliding with the seal and causing damage.

[0054] During the unloading process, the suction cup absorbs the battery cell and the protective paper and then rises. Since the distance between the two inner wall surfaces 121 of the groove 12 gradually increases, the battery cell and the blocking bar 20 can be effectively prevented from colliding.

[0055] When three or more baffles 20 are provided on the bearing portion 11, the side surfaces of at least two baffles 20 spaced apart along the first direction facing each other can be formed as two inner wall surfaces 121 of the groove 12, and the distance between the two inner wall surfaces 121 gradually increases in the direction from the bottom of the groove 12 toward the groove mouth.

[0056] In some specific implementations of the present invention, the cross section of the blocking bar 20 is trapezoidal.

[0057] Specifically, Figure 5 As shown, a plane perpendicular to the length direction of the baffle 20 may be defined as a cutting plane, and a section obtained by cutting the baffle 20 with the cutting plane may be a cross section of the baffle 20. The length direction of the baffle 20 may coincide with the second direction.

[0058] The trapezoidal blocking bar 20 has an upper bottom surface, a lower bottom surface and two side surfaces, one of the two side surfaces facing the inside of the groove 12 can be formed as an inner wall surface 121 of the groove 12 and is inclined to guide the battery cells and the protective paper to fall.

[0059] Optionally, the cross section of the blocking bar 20 may be an isosceles trapezoid.

[0060] In some specific embodiments, the upper base length of the cross section of the blocking bar 20 may be L1, the lower base length may be L2, and the height may be h, L1<h<L2, for example, L1=4cm, h=5cm, L2=6cm.

[0061] According to some optional embodiments of the present invention, at least one positioning portion 30 is provided on the carrying portion 11 , and the positioning portion 30 and the blocking bar 20 protrude toward the same side of the carrying portion 11 , and the positioning portion 30 is used to cooperate with the positioning hole on the battery cell for positioning.

[0062] Specifically, one or more positioning parts 30 may be provided on the bearing part 11, and the positioning part 30 may be provided on the first surface of the bearing part 11. The positioning part 30 and the retaining strip 20 may protrude toward the same side of the bearing part 11. Thus, when the inner wall surface 121 of the groove 12 guides the solar cell to fall, the positioning part 30 can automatically enter the positioning hole on the solar cell to position the solar cell, preventing the solar cell from shifting or being misaligned during transportation.

[0063] It should be noted that the setting of the positioning part 30 can be designed according to the shape and quantity of the positioning holes on the solar cell. For example, as shown in FIG. 4, a plurality of positioning parts 30 may be provided on the bearing part 11, and each positioning part 30 may be a square bump.

[0064] In some alternative embodiments, the color of the top end of the positioning part 30 may be different from the colors of the bearing part 11, the retaining strip 20, and the outer surface of the positioning part 30 except its own top end. For example, the top end of the positioning part 30 may be set to red, and the outer surfaces of the bearing part 11, the retaining strip 20, and the outer surface of the positioning part 30 except the top end may be blue, so as to better distinguish the positioning part 30 from other structures visually.

[0065] According to some other embodiments of the present invention, the height of the retaining strip 20 is higher than the height of the positioning part 30, and the height of the positioning part 30 may be the dimension of the retaining strip 20 in the thickness direction of the bearing part 11.

[0066] Setting the height of the retaining strip 20 to be higher than the height of the positioning part 30 can divide the process of the solar cell falling along the retaining strip 20 into two stages. In the first stage, the solar cell is spaced apart from the positioning part 30, and the solar cell can continuously adjust its own position and posture under the guidance of the retaining strip 20 until the positioning hole in the solar cell starts to cooperate with the positioning part 30, that is, it enters the second stage. At this time, the deviation between the position and posture of the solar cell and the preset position and posture is very small, which can ensure that the positioning part 30 can be smoothly inserted into the positioning hole. Thus, it can be avoided that the positioning part 30 cannot achieve positioning due to excessive deviation of the solar cell.

[0067] In some specific embodiments, the height of the retaining strip 20 may be 5 cm, and the height of the positioning part 30 may be 3 cm.

[0068] In some specific embodiments of the present utility model, a plurality of positioning portions 30 are provided on the bearing portion 11. At least two of the plurality of positioning portions 30 are spaced apart along a first direction, and at least two of the plurality of positioning portions 30 are spaced apart along a second direction. Thus, the translational degrees of freedom of the battery cell in the first direction and the width direction, as well as the rotational degree of freedom of rotation about the thickness direction of the bearing portion 11, can be better restricted. In addition, since the positioning portion 30 is a convex structure, the rotational degrees of freedom of the battery cell rotating about the first direction and the width direction can also be restricted, and only the translational degree of freedom of the battery cell translating along the thickness direction of the bearing portion 11 is retained, effectively preventing the battery cell from shifting and misaligning, and at the same time not affecting the loading and unloading of the battery cell.

[0069] Optionally, as Figure 4 shown, eight positioning portions 30 may be provided on the bearing portion 11. Among them, four positioning portions 30 are symmetrically distributed at both ends of the bearing portion 11 in the second direction, and there is a gap between these four positioning portions 30 and the end face of the bearing portion 11. The other four positioning portions 30 are provided in the middle of the bearing portion 11 in the second direction and are spaced apart along the first direction.

[0070] According to some alternative embodiments of the present utility model, a first identification portion 40 is provided on one side of the bearing portion 11 facing the stop bar 20. In the second direction, the first identification portion 40 is provided at the end of the bearing portion 11, and the first identification portion 40 is used to cooperate with the detection mechanism for identification and positioning.

[0071] Specifically, the first identification portion 40 may be provided on the first surface of the carrier 10, and the first identification portion 40 may be provided at the end of the bearing portion 11 in the second direction. The width of the carrier 10 may be wider than the width of the battery cell, so that the first identification portion 40 at the edge of the carrier 10 can be exposed during the process of transporting the battery cell. A detection mechanism may be provided above the carrier 10, and the detection mechanism can detect and identify the first identification portion 40 to position the bearing portion 11 and ensure the accuracy of the movement of the carrier 10.

[0072] Optionally, the detection mechanism may include a camera, and the first identification portion 40 may be a label. For example, the first identification portion 40 is a red label. The first identification portion 40 may be substantially flush with the surface of the bearing portion 11.

[0073] In some specific embodiments of the present utility model, a plurality of first identification portions 40 are provided on each bearing portion 11. At least two of the plurality of first identification portions 40 are spaced apart along a first direction, and at least two of the plurality of first identification portions 40 are spaced apart along a second direction, which is beneficial to improving the accuracy and reliability of identification.

[0074] As Figure 4As shown, four first identification parts 40 can be provided on each bearing part 11, and the four first identification parts 40 can be arranged in central symmetry. Two of the four first identification parts 40 form an identification group, and the two identification groups are spaced apart in the second direction. Each identification group is provided at the edge of the belt body, and the two first identification parts 40 in each identification group are spaced apart in the first direction.

[0075] According to some alternative embodiments of the present utility model, the carrier 10 further has a plurality of partition parts 13. A partition part 13 is connected between adjacent bearing parts 11. A second identification part 50 is provided on one side of the partition part 13 facing the stop bar 20, and the second identification part 50 is used to cooperate with the detection mechanism for identification and positioning.

[0076] Specifically, the carrier 10 can mainly be composed of a plurality of bearing parts 11 and a plurality of partition parts 13. The plurality of bearing parts 11 and the plurality of partition parts 13 are arranged alternately in the first direction. That is to say, adjacent two bearing parts 11 can be spaced apart by a preset distance.

[0077] After the battery wafers are conveyed by the carrier 10, they can be unloaded into the material boxes. The material boxes can be arranged along the conveying direction of the carrier 10. Since the length of the battery wafers in the first direction is usually less than the length between adjacent two material boxes, therefore, setting adjacent two bearing parts 11 to be spaced apart can enable multiple bearing parts 11 to be directly opposite to the material boxes at the same time, so as to facilitate unloading.

[0078] In addition, a second identification part 50 is provided on the partition part 13, and the detection mechanism above the carrier 10 can detect and identify the second identification part 50, so as to position the partition part 13 and ensure the accuracy of the movement position of the carrier 10.

[0079] Optionally, the first identification part 40 and the second identification part 50 can have the same structure. For example, the first identification part 40 and the second identification part 50 can be labels with the same shape, size and color.

[0080] Optionally, the second identification part 50 can be flush with the surface of the partition part 13.

[0081] According to other some embodiments of the present utility model, adsorption holes 60 penetrating along the thickness direction of the bearing part 11 are further provided on the bearing part 11. The air pressure on the second surface of the carrier 10 can be lower than the air pressure on the first surface, so that the battery wafers and the protective paper can be adsorbed through the adsorption holes 60, which is beneficial to improving the reliability and stability of conveying.

[0082] An embodiment of the present utility model further provides a conveying device 100. The conveying device 100 includes a conveyor belt. The conveyor belt 1 includes a belt body 10, and the belt body 10 has a carrier 10 according to any of the above embodiments. In addition, the conveying device 100 may further include two synchronous belt pulleys 2 and a driving member 3. The carrier 10 can be wound around the synchronous belt pulleys 2, and the driving member 3 can be connected to one of the two synchronous belt pulleys 2 and drive the synchronous belt pulley 2 to rotate, so that the carrier 10 conveys the battery wafers.

[0083] The length direction of the belt body may be the first direction, and the width direction of the belt body may be the second direction. The belt body may include, but is not limited to, a straight belt and an endless belt.

[0084] Since the carrier 10 according to the embodiment of the present utility model has the above technical effects, therefore, the conveying device 100 according to the embodiment of the present utility model also has corresponding technical effects, that is, not only can the battery wafers and the protective paper be fixed in the groove 12, preventing the battery wafers and the protective paper from shifting and misaligning, thereby ensuring the stability and reliability of long-distance conveying, but also has the advantages of simple structure and low cost.

[0085] An embodiment of the present utility model further provides a sorting machine, which includes the conveying device 100 according to any of the above embodiments.

[0086] Since the conveying device 100 according to the embodiment of the present utility model has the above technical effects, therefore, the sorting machine according to the embodiment of the present utility model also has corresponding technical effects, that is, not only can the battery wafers and the protective paper be fixed in the groove 12, preventing the battery wafers and the protective paper from shifting and misaligning, thereby ensuring the stability and reliability of long-distance conveying, but also has the advantages of simple structure and low cost.

[0087] Although some specific embodiments of the present utility model have been described in detail by way of examples, those skilled in the art should understand that the above examples are only for illustration and not for limiting the scope of the present utility model. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present utility model. The scope of the present utility model is defined by the appended claims.

Claims

1. A vehicle, characterized in that, Comprising: A plurality of carrying parts, the plurality of carrying parts are arranged along a first direction. In the first direction, at least one stop bar is provided at each end of each carrying part. The stop bar extends in a second direction and protrudes towards one side of the carrying part. The first direction intersects with the second direction. Each carrying part and the corresponding plurality of stop bars cooperate to define a groove suitable for accommodating a battery cell.

2. The vehicle according to claim 1, characterized in that, The stop bar is integrally formed on the carrying part.

3. The vehicle according to claim 1, wherein The groove has two inner wall surfaces spaced apart along the first direction. In the direction from the bottom of the groove towards the notch, the distance between the two inner wall surfaces of the groove gradually increases.

4. The vehicle according to claim 3, characterized in that, The cross-section of the stop bar is trapezoidal.

5. The vehicle according to claim 1, characterized in that At least one positioning part is provided on the carrying part. The positioning part protrudes towards the same side of the carrying part as the stop bar. The positioning part is used to cooperate with the positioning hole on the battery cell for positioning.

6. The vehicle according to claim 5, wherein, The height of the stop bar is higher than the height of the positioning part.

7. The vehicle according to claim 5, wherein A plurality of the positioning parts are provided on the carrying part. At least two of the plurality of positioning parts are spaced apart along the first direction, and at least two of the plurality of positioning parts are spaced apart along the second direction.

8. The vehicle according to claim 1, characterized in that, A first identification part is provided on the side of the carrying part facing the stop bar. In the second direction, the first identification part is provided at the end of the carrying part. The first identification part is used to cooperate with a detection mechanism for identification and positioning.

9. The vehicle according to claim 8, characterized in that, A plurality of the first identification parts are provided on each carrying part. At least two of the plurality of first identification parts are spaced apart along the first direction, and at least two of the plurality of first identification parts are spaced apart along the second direction.

10. The vehicle according to claim 1, characterized in that, There are also a plurality of partition parts. The partition parts are connected between adjacent carrying parts. A second identification part is provided on the side of the partition part facing the stop bar. The second identification part is used to cooperate with a detection mechanism for identification and positioning.

11. The vehicle according to claim 1, characterized in that, An adsorption hole penetrating along the thickness direction of the carrying part is also provided on the carrying part.

12. A conveying device, characterized in that, Comprising: A conveyor belt, the conveyor belt includes a belt body, and the belt body has the carrier according to any one of claims 1-11.

13. A sorting machine, characterized in that, Comprising: The conveying device according to claim 12.

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