Conveying system

Abstract

The utility model relates to the technical field of conveying, and discloses a conveying system which comprises a conveying device, a tray and a lifting mechanism. According to the conveying system, the trays on the conveying face of the conveying device can be lifted through the lifting mechanism, on the basis, sliding friction between the conveying face of the conveying device and the bottom faces of the trays cannot be generated even if the conveying face of the conveying device continuously moves, abrasion of the trays can be reduced, particles are reduced, and the conveying system is applied to conveying products with high requirements for the production environment; and the product yield can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation, in particular to a transportation system. Background Art

[0002] A pallet is a cargo platform. When pallets are used to transport items, the pallet is placed on a conveyor line, which then transports the pallet and the items on it to the target location. In actual applications, when a conveyor line is used to transport pallets, it is inevitable that the conveying surface of the conveyor line will move while the pallet will be stationary. For example, some processes require the pallet to be stopped, or pallet congestion will lead to the above-mentioned conditions. At this time, sliding friction will occur between the bottom of the pallet and the conveying surface of the conveyor line. Over time, this will cause the bottom of the pallet to wear, and the wear of the pallet will produce particles that pollute the production environment. If the pallet is transporting products that have relatively high requirements for the production environment, the generation of particles will affect the product quality rate. Utility Model Content

[0003] The primary purpose of the utility model is to propose a conveying system that can reduce the wear of the pallet, and is applied to the transportation of products with relatively high requirements on the production environment, thereby ensuring the quality rate of the products.

[0004] In order to achieve the above-mentioned object, the utility model provides a conveying system having a first direction, a second direction and a third direction intersecting in pairs, including a conveying device, a tray and a lifting mechanism;

[0005] The conveying device is used to convey the pallet along the first direction, and the lifting mechanism is provided on both sides of the conveying device along the first direction;

[0006] The tray has a first end and a second end facing each other, each of the first end and the second end having a slot;

[0007] The lifting mechanism includes a driving member and a lifting block, the driving member is connected to the conveying device, the lifting block is connected to the driving member, and the driving member is used to drive the lifting block to move in the second direction so that the lifting block is inserted into the slot; the lifting block has a first outer wall surface, a second outer wall surface and a lifting surface, in the second direction, the end surface of the lifting block close to one end of the center side of the conveying device is the lifting surface, in the third direction, the first outer wall surface is away from the side where the conveying device is located, and the second outer wall surface is toward the side where the conveying device is located, and the lifting surface is inclined toward the center side of the conveying device from the first outer wall surface to the second outer wall surface;

[0008] The slot has a first slot side surface. When the tray is located on the conveying device, the first slot side surface faces the conveying device and is located between the first outer wall surface and the second outer wall surface.

[0009] In a specific embodiment of the present invention, the tray has a placement side and a supporting side opposite to each other, the placement side is used to contact the conveying device, and the supporting side is used to support the article;

[0010] The slot has a second slot side surface, the second slot side surface is opposite to the slot opening, and the second slot side surface is inclined away from the center side of the slot in a direction from the supporting side surface to the placement side surface.

[0011] In a specific embodiment of the present invention, in the first direction, the lifting block has a first positioning surface and a second positioning surface relative to each other, the first positioning surface and the second positioning surface are respectively connected to the two ends of the lifting surface in the first direction, and the first positioning surface and the second positioning surface are both inclined away from the center side of the lifting block in the direction from the first outer wall surface to the second outer wall surface;

[0012] The slot has a third slot side surface and a fourth slot side surface opposite to each other, the third slot side surface and the fourth slot side surface are respectively connected to opposite ends of the first slot side surface, and the third slot side surface and the fourth slot side surface are both inclined away from the center side of the slot from the supporting side surface toward the placement side surface;

[0013] Wherein, the first positioning surface is used to contact the side surface of the third groove, and the second positioning surface is used to contact the side surface of the fourth groove.

[0014] In a specific embodiment of the present invention, the lifting block has a receiving groove, and the notch of the receiving groove is located on the lifting surface;

[0015] The conveying system further includes a first guide wheel having a first axis. The first guide wheel is disposed in the accommodating groove and can rotate around the first axis. A portion of the first guide wheel is exposed outside the notch of the accommodating groove.

[0016] In a specific embodiment of the present invention, the accommodating groove has an avoidance opening, and the avoidance opening is located on the first outer wall surface;

[0017] The conveying system also includes a second guide wheel, which has a second axis. The second guide wheel is arranged in the accommodating groove and is spaced apart from the first guide wheel. The second guide wheel can rotate around the second axis, and the second guide wheel is partially exposed outside the avoidance opening.

[0018] In a specific embodiment of the present invention, the avoidance opening is communicated with the notch of the accommodating groove.

[0019] In a specific embodiment of the present invention, the tray further has a third end and a fourth end opposite to each other, and both the third end and the fourth end have the slot.

[0020] In a specific embodiment of the present invention, the slots on the first end and the second end are arranged opposite to each other; and the slots on the third end and the fourth end are arranged opposite to each other.

[0021] In a specific embodiment of the present invention, the slot has an opening, and the opening faces the side surface of the first slot.

[0022] In a specific embodiment of the present invention, a stopping mechanism is further included. The stopping mechanism is arranged on the conveying device. The lifting mechanism and the stopping mechanism are arranged along the first direction. The stopping mechanism is used to stop the pallet.

[0023] The utility model provides a conveying system, which has the following advantages compared with the prior art:

[0024] The conveying system of the present invention has lifting mechanisms on both sides of the conveying device along the first direction, and the lifting blocks of the two are respectively used to insert into the slots on the first end and the second end of the pallet. Since the pallet is on the conveying device, the side surface of the first slot is located between the first outer wall surface and the second outer wall surface. Therefore, when the driving member drives the lifting block to move in the second direction and inserts the lifting block into the corresponding slot, the end of the side surface of the first slot away from the bottom surface of the slot first contacts the lifting surface, and then moves upward along the lifting surface to the upper end of the lifting surface. Thereafter, the side surface of the first slot contacts the first outer wall surface. At this time, the pallet is lifted by the lifting block, and the bottom surface of the pallet is separated from the conveying device. Based on this, the conveying surface of the conveying device continues to move without generating sliding friction with the bottom surface of the pallet, which can reduce the wear of the pallet and further reduce the generation of particles. The conveying system is applied to transporting products with relatively high requirements for the production environment to ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional diagram of a conveying system according to an embodiment of the present utility model;

[0026] Figure 2 This is a cross-sectional view of the lifting block of the embodiment of the utility model when inserted into the slot;

[0027] Figure 3 This is a three-dimensional diagram of the cooperation between the lifting mechanism, the first guide wheel and the second guide wheel according to an embodiment of the utility model;

[0028] Figure 4 This is a top view of the lifting mechanism, the first guide wheel and the second guide wheel in cooperation with each other in an embodiment of the utility model;

[0029] Figure 5 This is a three-dimensional diagram of a tray according to an embodiment of the present invention;

[0030] Figure 6 It is a bottom view of the tray according to the embodiment of the present utility model.

[0031] In the figure, X, first direction; Y, second direction; Z, third direction; 1, conveying device; 2, tray; 201, placement side; 202, supporting side; 200, slot; 2001, first slot side; 2002, second slot side; 2003, third slot side; 2004, fourth slot side; 2005, opening; 21, first end; 22, second end; 23, third end; 24, fourth end; 3, lifting mechanism; 31, driving member; 32, lifting block; 321, first outer wall; 322, second outer wall; 323, lifting surface; 324, first positioning surface; 325, second positioning surface; 3201, accommodating groove; 3202, avoidance opening; 4, first guide wheel; 401, first axis; 5, second guide wheel; 501, second axis; 6, stopping mechanism. DETAILED DESCRIPTION

[0032] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, the meaning of "multiple" refers to two or more, unless otherwise clearly and specifically defined.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, direct connections, or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0035] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the examples, "parallel" refers to the state where the angle formed between two lines, between a line and a plane, or between two planes is between -1° and 1°. Furthermore, "perpendicular" refers to the state where the angle formed between two lines, between a line and a plane, or between two planes is between 89° and 91°. Equal distances, equal angles, or equal areas refer to the state where the tolerance range is between -1% and 1%.

[0037] like Figures 1 to 6As shown, a conveying system of a preferred embodiment of the present invention has a first direction X, a second direction Y and a third direction Z that are perpendicular to each other, wherein the conveying system includes a conveying device 1, a tray 2 and a lifting mechanism 3; the conveying device 1 is used to convey the tray 2 along the first direction X, and the conveying device 1 is provided with a lifting mechanism 3 on both sides of the first direction X; the tray 2 has a first end 21 and a second end 22 opposite to each other, and the first end 21 and the second end 22 both have a slot 200; the lifting mechanism 3 includes a driving member 31 and a lifting block 32, the driving member 31 is connected to the conveying device 1, and the lifting block 32 is connected to the driving member 31, and the driving member 31 is used to drive the lifting block 32 to move in the second direction Y so that the lifting block 32 is inserted into the slot 200; the lifting block 32 has a first outer wall surface 321, a second outer wall surface 322 and a lifting surface 323. In the second direction Y, the end surface of the lifting block 32 close to the center side of the conveying device 1 is the lifting surface 323. In the third direction Z, the first outer wall surface 321 is away from the side where the conveying device 1 is located, and the second outer wall surface 322 is toward the side where the conveying device 1 is located. The lifting surface 323 is inclined toward the center side of the conveying device 1 from the first outer wall surface 321 to the second outer wall surface 322; the slot 200 has a first slot side surface 2001. When the tray 2 is located on the conveying device 1, the first slot side surface 2001 faces the conveying device 1, and the first slot side surface 2001 is located between the first outer wall surface 321 and the second outer wall surface 322.

[0038] Based on the conveying system of the above structure, in actual application, the lifting mechanisms 3 on both sides of the conveying device 1 along the first direction X, and the lifting blocks 32 of the two are respectively used to insert into the slots 200 on the first end 21 and the second end 22 of the tray 2. Since the first slot side surface 2001 of the tray 2 is located between the first outer wall surface 321 and the second outer wall surface 322 when the tray 2 is on the conveying device 1, when the driving member 31 drives the lifting block 32 to move in the second direction Y and inserts the lifting block 32 into the corresponding slot 200, the first slot side surface 2001 is away from the slot 2 One end of the bottom surface of the 00 groove first contacts the lifting surface 323, and then moves upward along the lifting surface 323 to the upper end of the lifting surface 323. Thereafter, the first groove side surface 2001 contacts the first outer wall surface 321. At this time, the tray 2 is lifted by the lifting block 32, and the bottom surface of the tray 2 is separated from the conveying device 1. Based on this, the conveying surface of the conveying device 1 continues to move without generating sliding friction with the bottom surface of the tray 2, which can reduce the wear of the tray 2 and thus reduce the generation of particles. The conveying system is used to transport products with relatively high requirements on the production environment to ensure product quality.

[0039] like Figure 2 、 Figure 5 and Figure 6As shown, the tray 2 has a relative placement side 201 and a supporting side 202, the placement side 201 is used to contact the conveying device 1, and the supporting side 202 is used to support items; the slot 200 has a second slot side 2002, the second slot side 2002 is opposite to the slot opening of the slot 200, and the second slot side 2002 is inclined away from the center side of the slot 200 from the supporting side 202 toward the placement side 201. Based on the slot 200 with such a structure, optionally, after the lifting block 32 is inserted into the slot 200, the lifting surface 323 contacts the second slot side 2002. At this time, the slot 200 can limit the position of the lifting block 32, and the tray 2 cannot float in the second direction Y, thereby effectively fixing the tray 2.

[0040] Further, such as Figure 3 and Figure 4 As shown, in the first direction X, the lifting block 32 has a first positioning surface 324 and a second positioning surface 325 opposite to each other. The first positioning surface 324 and the second positioning surface 325 are respectively connected to the two ends of the lifting surface 323 in the first direction X. The first positioning surface 324 and the second positioning surface 325 are both inclined away from the center side of the lifting block 32 from the first outer wall surface 321 to the second outer wall surface 322; Figure 5 and Figure 6 As shown, the slot 200 has a third slot side 2003 and a fourth slot side 2004 relative to each other, and the third slot side 2003 and the fourth slot side 2004 are respectively connected to the opposite ends of the first slot side 2001, and the third slot side 2003 and the fourth slot side 2004 are both inclined away from the center side of the slot 200 from the supporting side 202 toward the placement side 201; based on this structure of the slot 200 and the lifting block 32, optionally, when the lifting block 32 is inserted into the slot 200, the first positioning surface 324 contacts the third slot side 2003, and the second positioning surface 325 contacts the fourth slot side 2004. At this time, the slot 200 can further limit the position of the lifting block 32, and the tray 2 cannot float in the first direction X, thereby making the tray 2 more stably fixed.

[0041] In some embodiments, as Figures 2 to 4As shown, the lifting block 32 has a receiving groove 3201, and the groove opening of the receiving groove 3201 is located on the lifting surface 323; the conveying system also includes a first guide wheel 4, the first guide wheel 4 has a first axis 401, the first guide wheel 4 is arranged in the receiving groove 3201, and the first guide wheel 4 can rotate around the first axis 401, and the first guide wheel 4 is partially exposed outside the groove opening of the receiving groove 3201; based on the first guide wheel 4, in the process of the lifting block 32 being inserted into the slot 200, the first groove side surface 2001 will contact the first guide wheel 4 during the partial distance of the upward movement along the lifting surface 323, and the first groove side surface 2001 will be guided to move upward by the first guide wheel 4, that is, in the partial distance of the upward movement of the first groove side surface 2001 relative to the lifting surface 323, the first groove side surface 2001 is subjected to rolling friction, thereby reducing the wear of the pallet 2 and reducing some noise. Optionally, the first guide wheel 4 is made of a flexible material such as rubber or silicone, and when the lifting block 32 is inserted into the slot 200, the first guide wheel 4 contacts the second slot side 2002. Thus, the first guide wheel 4 can act as a buffer to reduce the impact of the lifting block 32 on the tray 2.

[0042] Furthermore, in some embodiments, Figures 2 to 4 As shown, the accommodating groove 3201 has an avoidance opening 3202, and the avoidance opening 3202 is located on the first outer wall 321; the conveying system also includes a second guide wheel 5, the second guide wheel 5 has a second axis 501, the second guide wheel 5 is arranged in the accommodating groove 3201 and is spaced apart from the first guide wheel 4, the second guide wheel 5 can rotate around the second axis 501, and the second guide wheel 5 is partially exposed outside the avoidance opening 3202. Based on the second guide wheel 5, in the process of inserting the lifting block 32 into the slot 200, the first groove side 2001 contacts the first outer wall 321 and then encounters the second guide wheel 5. Thereafter, the first groove side 2001 contacts the second guide wheel 5, and the first groove side 2001 is guided by the second guide wheel 5 to move relative to the lifting block 32. In this process, the first groove side 2001 is subjected to rolling friction, thereby further reducing the wear of the pallet 2 and reducing some noise.

[0043] Preferably, Figure 3 As shown, the avoidance opening 3202 is communicated with the notch of the accommodating groove 3201 . The lifting block 32 of this structure is easy to process.

[0044] In some embodiments, as Figure 5 and Figure 6As shown, the pallet 2 also has a third end 23 and a fourth end 24 relative to each other, and the third end 23 and the fourth end 24 both have a slot 200. For example, the pallet 2 is a cube. At this time, the four ends of the pallet 2 have a slot 200. When the pallet 2 with this structure is transported on the conveying device 1, whether the first end 21 and the second end 22 are in the second direction Y, or the third end 23 and the fourth end 24 are in the second direction Y, the pallet 2 can be lifted by the lifting block 32. Therefore, the pallet 2 is easy to match with the lifting component and is easy to operate.

[0045] Among them, the slots 200 on the first end 21 and the second end 22 are arranged opposite to each other; the slots 200 on the third end 23 and the fourth end 24 are arranged opposite to each other. Therefore, the lifting components on both sides of the conveying device 1 along the first direction X are also arranged opposite to each other. When the pallet 2 is lifted, the support points on the pallet 2 are symmetrical, and the pallet 2 is relatively stable after being lifted.

[0046] Since the lifting components are arranged facing each other, based on the first slot side 2001 that is inclined at the slot 200, after the first guide wheel 4 contacts the first slot side 2001, the thrust of the driving member 31 can be decomposed into forces in the horizontal and vertical directions. The impact force can be offset by the joint movement of the other driving member 31, thereby reducing the impact brought by the driving member 31 directly lifting the bottom of the tray 2, and avoiding the situation where the tray 2 is impacted and displaced during the lifting process.

[0047] like Figure 5 and Figure 6 As shown, the slot 200 has an opening 2005, and the opening 2005 is opposite to the first slot side 2001, that is, the opening 2005 is located on the placement side 201. Based on the slot 200 with such a structure, optionally, in the third direction Z, the length dimension of the lifting block 32 can be greater than the depth dimension of the slot 200, or can be less than or equal to the depth dimension of the slot 200, that is, the slot 200 can be adapted to lifting blocks 32 of different sizes (in the third direction Z), and has good adaptability and a wide range of applications.

[0048] In some embodiments, as Figure 1As shown, the conveying system also includes a stopping mechanism 6, which is arranged on the conveying device 1, and the lifting mechanism 3 and the stopping mechanism 6 are arranged along the first direction X, and the stopping mechanism 6 is used to stop the pallet 2; as one of the implementations of this embodiment, the stopping mechanism 6 includes a stopping component and a driving component, and the stopping component and the driving component are both arranged below the conveying surface of the conveying device 1, and the stopping component is connected to the driving component. When it is necessary to stop the pallet 2, the driving component drives the stopping component to extend above the conveying surface, and then the lifting component lifts the pallet 2; and when it is necessary to continue to convey the lifted pallet 2, the driving component drives the stopping component to descend to below the conveying surface of the conveying device 1, and then the lifting component puts the pallet 2 back on the conveying surface.

[0049] As one of the implementations of the present application, the above-mentioned driving member 31 and the driving component are both cylinders; and the conveying device 1 is a chain conveyor including two chains arranged at intervals along the second direction Y, and the upper surface of the chain forms a conveying surface. This is the existing technology and this application will not elaborate on it in detail.

[0050] In summary, the present application lifts the pallet 2 on the conveying surface of the conveying device 1 by setting a lifting component, so that the conveying surface of the conveying device 1 continues to move without generating sliding friction with the bottom surface of the pallet 2, which can reduce the wear of the pallet 2 and thus reduce the generation of particles. The conveying system is used to transport products with relatively high requirements on the production environment, which can ensure the quality rate of products.

[0051] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A conveying system having a first direction (X), a second direction (Y) and a third direction (Z) intersecting each other, characterized in that: It comprises a conveying device (1), a tray (2) and a lifting mechanism (3); The conveying device (1) is used to convey the pallet (2) along the first direction (X), and the lifting mechanism (3) is provided on both sides of the conveying device (1) along the first direction (X); The tray (2) has a first end (21) and a second end (22) opposite to each other, and both the first end (21) and the second end (22) have a slot (200); The lifting mechanism (3) includes a driving member (31) and a lifting block (32), wherein the driving member (31) is connected to the conveying device (1), and the lifting block (32) is connected to the driving member (31), and the driving member (31) is used to drive the lifting block (32) to move in the second direction (Y) so that the lifting block (32) is inserted into the slot (200); the lifting block (32) has a first outer wall surface (321), a second outer wall surface (322) and a lifting surface (323), In the second direction (Y), the end surface of the lifting block (32) close to the center side of the conveying device (1) is the lifting surface (323); in the third direction (Z), the first outer wall surface (321) faces away from the side where the conveying device (1) is located, and the second outer wall surface (322) faces the side where the conveying device (1) is located, and the lifting surface (323) is inclined toward the center side of the conveying device (1) in the direction from the first outer wall surface (321) to the second outer wall surface (322); The slot (200) has a first slot side surface (2001), and when the tray (2) is located on the conveying device (1), the first slot side surface (2001) faces the conveying device (1), and the first slot side surface (2001) is located between the first outer wall surface (321) and the second outer wall surface (322).

2. The conveying system according to claim 1, characterized in that The tray (2) has a placing side (201) and a supporting side (202) opposite to each other, the placing side (201) being used for contacting the conveying device (1), and the supporting side (202) being used for supporting articles; The slot (200) has a second slot side surface (2002), the second slot side surface (2002) is opposite to the slot opening of the slot (200), and the second slot side surface (2002) is inclined away from the center side of the slot (200) in the direction from the supporting side surface (202) to the placement side surface (201).

3. The conveying system according to claim 2, characterized in that In the first direction (X), the lifting block (32) has a first positioning surface (324) and a second positioning surface (325) relative to each other, the first positioning surface (324) and the second positioning surface (325) are respectively connected to the two ends of the lifting surface (323) in the first direction (X), and the first positioning surface (324) and the second positioning surface (325) are both inclined away from the center side of the lifting block (32) in the direction from the first outer wall surface (321) to the second outer wall surface (322); The slot (200) has a third slot side surface (2003) and a fourth slot side surface (2004) opposite to each other, the third slot side surface (2003) and the fourth slot side surface (2004) are respectively connected to opposite ends of the first slot side surface (2001), and the third slot side surface (2003) and the fourth slot side surface (2004) are both inclined away from the center side of the slot (200) in the direction from the supporting side surface (202) to the placement side surface (201); The first positioning surface (324) is used to contact the side surface (2003) of the third groove, and the second positioning surface (325) is used to contact the side surface (2004) of the fourth groove.

4. The conveying system according to claim 1, characterized in that The lifting block (32) has a receiving groove (3201), and the notch of the receiving groove (3201) is located on the lifting surface (323); The conveying system further comprises a first guide wheel (4), the first guide wheel (4) having a first axis (401), the first guide wheel (4) being arranged in the accommodating groove (3201), and the first guide wheel (4) being capable of rotating around the first axis (401), and the first guide wheel (4) being partially exposed outside the notch of the accommodating groove (3201).

5. The conveying system according to claim 4, characterized in that The accommodating groove (3201) has an avoidance opening (3202), and the avoidance opening (3202) is located on the first outer wall surface (321); The conveying system further comprises a second guide wheel (5), the second guide wheel (5) having a second axis (501), the second guide wheel (5) being arranged in the accommodating groove (3201) and spaced apart from the first guide wheel (4), the second guide wheel (5) being capable of rotating around the second axis (501), and the second guide wheel (5) being partially exposed outside the avoidance opening (3202).

6. The conveying system according to claim 5, characterized in that The avoidance opening (3202) is in communication with the notch of the accommodating groove (3201).

7. The conveying system according to claim 1, characterized in that The tray (2) further comprises a third end portion (23) and a fourth end portion (24) which are opposite to each other, and both the third end portion (23) and the fourth end portion (24) comprise the slot (200).

8. The conveying system according to claim 7, characterized in that The slots (200) on the first end (21) and the second end (22) are arranged opposite each other; and the slots (200) on the third end (23) and the fourth end (24) are arranged opposite each other.

9. The conveying system according to claim 7, characterized in that The slot (200) has an opening (2005), and the opening (2005) faces the first slot side surface (2001).

10. The conveying system according to claim 1, characterized in that It also includes a stopping mechanism (6), which is arranged on the conveying device (1), the lifting mechanism (3) and the stopping mechanism (6) are arranged along the first direction (X), and the stopping mechanism (6) is used to stop the tray (2).

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