Material conveying device and flange mechanism

Abstract

The utility model relates to a material conveying device and a flange mechanism. The flange mechanism comprises a flange base, an abutting assembly and a supporting mechanism. The abutting assembly is movably arranged on the flange base and used for abutting against materials. The supporting mechanism comprises a supporting piece and an elastic assembly connected with the supporting piece, and the elastic assembly abuts against the side, away from the materials, of the abutting assembly. In the process that the conveying part of the material conveying device conveys materials, the abutting assembly abuts against the materials to achieve the effect of abutting against the materials, the deviation rectifying effect on the materials is achieved, vibration can be transmitted to the elastic assembly through the abutting assembly when the materials vibrate frequently, and therefore the buffering effect is achieved; when materials are conveyed, the materials only swing by a small amplitude at a low speed and quickly return to a normal conveying posture, and the materials cannot collide with the flange base to cause collision damage.

Description

Technical Field

[0001] The present application relates to the technical field of material conveying, and in particular to a material conveying device and a side retaining mechanism. Background Art

[0002] With the rapid development of photovoltaic technology, in order to improve the degree of automation, materials such as silicon wafers, photovoltaic modules or flower baskets are usually transported by material conveying devices. The material conveying device includes a side guard mechanism on the left and right sides along the material conveying direction, and the side guard mechanism is used to limit the material to prevent the material from falling from one side of the material conveying device. However, the material conveying device in the related art usually adopts a hard side guard, which is prone to frequent collision with the side guard mechanism during material transportation. The use of such a side guard in the production process where the material is relatively fragile may cause damage to the material; at the same time, under the frequent collision of the material, the side guard mechanism will also be deformed and damaged, and its service life will be greatly shortened. Summary of the Invention

[0003] Based on this, it is necessary to overcome the defects of the prior art and provide a material conveying device and a side retaining mechanism, which can reduce the defects of collision damage during transportation.

[0004] A side guard mechanism is provided on either side of a conveying portion of a material conveying device, the side guard mechanism comprising:

[0005] side guard;

[0006] an abutting assembly, the abutting assembly being movably disposed on the side retaining seat and being used for abutting against the material; and

[0007] The supporting mechanism includes a supporting member and an elastic component connected to the supporting member, and the elastic component and the abutting component abut against each other at a side facing away from the material.

[0008] In one embodiment, there are multiple abutment components and they are sequentially spaced apart along the longitudinal direction Z of the side guard; there are multiple elastic components, and each elastic component is correspondingly arranged with each abutment component.

[0009] In one embodiment, the abutment assembly is rotatably disposed on the side guard seat; and / or the abutment assembly is provided with a rotatable pressing wheel, the wheel surface of the pressing wheel being used for abutting against the material.

[0010] In one embodiment, the abutment assembly also includes a rotating seat rotatably arranged on the side guard seat; the middle part of the rotating seat is rotatably connected to the side guard seat, and the abutment assembly has two pressure wheels, which are respectively rotatably arranged at the opposite ends of the rotating seat; the support mechanism is adjustable in the Z position along the longitudinal direction of the side guard seat so that any one of the pressure wheels protrudes in a direction away from the elastic assembly.

[0011] In one embodiment, the side retaining mechanism further includes a power mechanism, which is connected to the support member and is used to drive the support member to move along the longitudinal direction Z.

[0012] In one embodiment, the side guard seat is formed with a first groove, the notch of the first groove faces the material; a first connecting shaft is provided on the side guard seat, the rotating seat is rotatably mounted on the first connecting shaft and is located in the first groove, and at least a portion of one of the pressing wheels extends to the outside of the first groove through the notch.

[0013] In one embodiment, the edge retaining mechanism further includes two positioning sleeves sleeved on the first connecting shaft and located on opposite sides of the rotating seat, and the two positioning sleeves respectively abut between the rotating seat and two opposite inner side walls of the groove.

[0014] In one embodiment, the rotating seat is formed with a second groove, and the two pressure wheels are rotatably arranged at the opposite ends of the second groove; the opposite side walls of each end of the second groove are formed with a slot and a detachable first limiting member, and each pressure wheel includes a wheel axle, and the opposite ends of each wheel axle are respectively passed through the two slots at each end of the second groove, and the end of each wheel axle faces the side of the insertion port of the slot and is in corresponding abutment with each first limiting member.

[0015] In one embodiment, the elastic component includes an abutment plate that abuts against the abutment component, at least one guide rod installed on the abutment plate, an elastic member arranged between the abutment plate and the support member, and a second limiting member connected to one end of the guide rod away from the abutment plate, the support member is provided with a guide hole, and the guide rod can be movably inserted into the guide hole.

[0016] A material conveying device comprises at least one side retaining mechanism as described above.

[0017] The above-mentioned material conveying device and side guard mechanism, during the process of conveying materials in the conveying part of the material conveying device, the abutment component abuts against the material to press the material, which not only corrects the material, but also enables the vibration to be transmitted to the elastic component through the abutment component when the material vibrates frequently, thereby playing a buffering role. The material will only swing at a slower speed and a smaller amplitude, and quickly return to a normal conveying posture, so it will not collide with the side guard seat and cause collision damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a material conveying device according to an embodiment of the present application.

[0019] Figure 2 for Figure 1 Enlarged structural diagram at point A.

[0020] Figure 3 for Figure 2 A one-way structural diagram of the structure after removing the side guard seat.

[0021] Figure 4 This is a structural diagram of a sidewall structure according to an embodiment of the present application.

[0022] Figure 5 for Figure 4 Enlarged structural diagram at B.

[0023] Figure 6 This is a structural diagram of an abutment assembly according to an embodiment of the present application.

[0024] Figure 7 This is a structural diagram of an elastic component installed on a support member according to an embodiment of the present application.

[0025] 10. Side guard mechanism; 11. Side guard seat; 1101. First groove; 1102. First connecting shaft; 111. First side plate; 112. First connecting plate; 12. Abutment assembly; 121. Pressure wheel; 1211. Wheel axle; 1212. Guide wheel; 1213. Bearing; 1214. Second fastener; 122. Rotating seat; 1221. Second groove; 1222. Slot; 1223. First position-limiting member; 1224. Avoidance groove; 13. Support mechanism; 131. Support member; 132. Elastic assembly; 1321. Abutment plate; 1322. Guide rod; 1323. Elastic member; 1324. Second position-limiting member; 14. Power mechanism; 15. Positioning sleeve; 16. First fastener. DETAILED DESCRIPTION

[0026] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0027] See Figures 1 to 3 , Figure 1 The figure shows a structural diagram of a material conveying device according to an embodiment of the present application. Figure 2 Shown Figure 1 Enlarged structural diagram at point A. Figure 3 Shown Figure 2 A structural diagram from a perspective after removing the side guard seat 11 from the shown structure. An embodiment of the present application provides a material conveying device, which includes a conveying portion for conveying materials, and a side guard mechanism 10 is provided on either side of the conveying portion, or side guard mechanisms 10 are provided on two opposite sides of the conveying portion. Specifically, the side guard mechanism 10 includes: a side guard seat 11, an abutment assembly 12 and a support mechanism 13. The abutment assembly 12 can be movably provided on the side guard seat 11, and the abutment assembly 12 is used to abut against the material. The support mechanism 13 includes a support member 131 and an elastic assembly 132 connected to the support member 131. The elastic assembly 132 abuts against the side of the abutment assembly 12 facing away from the material.

[0028] The above-mentioned material conveying device and side guard mechanism 10, during the process of conveying materials in the conveying part of the material conveying device, the abutment component 12 abuts against the material to press the material, which not only corrects the material, but also enables the vibration to be transmitted to the elastic component 132 through the abutment component 12 when the material vibrates frequently, thereby playing a buffering role. The material will only swing at a slower speed and a smaller amplitude, and quickly return to a normal conveying posture, so it will not collide with the side guard seat 11 and cause collision damage.

[0029] It should be noted that the longitudinal direction Z of the side guard 11 is consistent with the conveying direction of the material conveying device. During the material conveying process, the material moves along the longitudinal direction Z of the side guard 11, thereby guiding and correcting the material.

[0030] See also Figure 1 、 Figure 2 、 Figure 4 and Figure 5In one embodiment, a plurality of abutment assemblies 12 are sequentially spaced along the longitudinal direction Z of the side guard 11. A plurality of elastic assemblies 132 are provided, each elastic assembly 132 corresponding to a respective abutment assembly 12. In this manner, the material sequentially abuts against each abutment assembly 12 during transport through the conveyor section and is simultaneously pressed against by at least two abutment assemblies 12. This can filter vibrations caused by the transmission system to a certain extent, minimizing the impact on the material. This improves material transport stability, provides a good deviation correction function, and effectively prevents collision damage.

[0031] See also Figure 3 and Figure 5 In one embodiment, the abutment assembly 12 is rotatably disposed on the sidewall seat 11. In addition, the abutment assembly 12 is provided with a rotatable pressure wheel 121, the wheel surface of which is used to abut against the material. Thus, when the material is conveyed along the conveying direction Z, the material contacts and presses the pressure wheel 121. The pressure wheel 121 is driven by the force to rotate the abutment assembly 12, thereby squeezing the elastic assembly 132. The elastic assembly 132 acts as a buffer, thereby preventing the material from directly colliding with the sidewall seat 11. At the same time, the pressure wheel 121 rotates due to the friction force of the material, thereby reducing the friction in the forward direction of the material, thereby reducing the pressure on the conveyor belt and the conveying motor of the material conveying device.

[0032] See also Figures 2 to 5 In one embodiment, the abutment assembly 12 also includes a rotating seat 122 rotatably disposed on the side guard seat 11. The middle portion of the rotating seat 122 is rotatably connected to the side guard seat 11, and the number of pressing wheels 121 of the abutment assembly 12 is set to two, and the two pressing wheels 121 are rotatably disposed at the opposite ends of the rotating seat 122 respectively. The position of the support mechanism 13 along the longitudinal direction Z of the side guard seat 11 is adjustable so that any one of the pressing wheels 121 protrudes in a direction away from the elastic component 132. In this way, for materials transported in different directions, the pressing position of the support mechanism 13 against the rotating seat 122 can be flexibly adjusted along the longitudinal direction Z, so that the abutment assembly 12 can play a corrective role and a buffering role at the same time to avoid collision damage.

[0033] Specifically, when the material is transported from left to right, for example, the position of the support mechanism 13 is adjusted along the left and right directions so that the elastic component 132 of the support mechanism 13 abuts against the right end of the rotating seat 122, so that the pressure wheel 121 at the right end of the rotating seat 122 is relatively protruding and close to the material, and the pressure wheel 121 at the left end of the rotating seat 122 is relatively far away from the material and will not interfere with the transportation of the material, and then the pressure wheel 121 at the right end of the rotating seat 122 has a pressure effect on the material; conversely, when the material is transported from right to left, the position of the support mechanism 13 is adjusted along the left and right directions so that the elastic component 132 of the support mechanism 13 abuts against the left end of the rotating seat 122, so that the pressure wheel 121 at the left end of the rotating seat 122 is relatively protruding and close to the material, and the pressure wheel 121 at the right end of the rotating seat 122 is relatively far away from the material and will not interfere with the transportation of the material, and then the pressure wheel 121 at the left end of the rotating seat 122 has a pressure effect on the material.

[0034] In one embodiment, the sidewall mechanism 10 further includes a power mechanism 14. The power mechanism 14 is connected to the support member 131 and is configured to drive the support member 131 to move along the longitudinal direction Z. Thus, using the power mechanism 14 to drive the support member 131 to adjust its position along the longitudinal direction Z provides a high degree of automation, eliminating the need for manual adjustment.

[0035] In some embodiments, the power mechanism 14 includes but is not limited to a cylinder, a screw motor, a cam mechanism, etc., as long as it can drive the support member 131 to move along the longitudinal direction Z.

[0036] Optionally, when there are multiple elastic components 132, in order to drive the support mechanism 13 to move along the longitudinal direction Z, two power mechanisms 14 are provided and respectively connected to the opposite ends of the support member 131. Under the coordinated action of the two power mechanisms 14, the support mechanism 13 can be stably driven to move back and forth along the longitudinal direction Z to adjust the pressing position of each elastic component 132 on the rotating seat 122.

[0037] Of course, as some optional solutions, the power mechanism 14 can also be omitted, and the support member 131 can be directly driven by manual pushing to move along the longitudinal direction Z to adjust the position.

[0038] In one embodiment, the side guard 11 is formed with a first groove 1101, the notch of which faces the material. A first connecting shaft 1102 is provided on the side guard 11. A rotating seat 122 is rotatably mounted on the first connecting shaft 1102 and positioned within the first groove 1101. At least a portion of one of the pressure wheels 121 extends outside the first groove 1101 through the notch of the first groove 1101. As the material travels along the conveying direction Z, the material abuts against the portion of the pressure wheel 121 extending outside the first groove 1101, thereby providing a corrective and shock-absorbing effect.

[0039] Specifically, the first connecting shaft 1102 is connected to two opposite side walls of the first groove 1101 respectively.

[0040] Furthermore, when there are multiple abutment components 12, there are correspondingly multiple first connecting shafts 1102, and each abutment component 12 is rotatably mounted on each first connecting shaft 1102. Thus, when the abutment component 12 is subjected to the squeezing force of the material, it will rotate around the first connecting shaft 1102 and correspondingly squeeze the elastic component 132, thereby achieving a buffer.

[0041] See also Figure 2 In one embodiment, the side guard 11 includes two first side plates 111 and a first connecting plate 112 connected between the two first side plates 111. The first connecting plate 112 and the two first side plates 111 form a first groove 1101. A first connecting shaft 1102 is connected to the two first side plates 111, respectively.

[0042] See also Figure 2 and Figure 3 In one embodiment, the side retaining mechanism 10 further includes two positioning sleeves 15 that are sleeved on the first connecting shaft 1102 and are respectively located on opposite sides of the rotating seat 122. The two positioning sleeves 15 are respectively in contact between the rotating seat 122 and the two opposite inner side walls of the groove. In this way, the opposite sides of the rotating seat 122 are respectively in contact with the inner side wall of the groove by a positioning sleeve 15, so that the rotating seat 122 is in the middle part of the groove, thereby avoiding the rotating seat 122 from contacting the side wall of the groove and causing the rotation to be blocked. In this way, the rotating seat 122 can rotate freely, and when the pressing wheel 121 is squeezed by the material, the squeezing force can be normally transmitted to the elastic component 132 to play a buffering role without interfering with the side wall of the groove.

[0043] See also Figure 2 、 Figure 3 and Figure 6In one embodiment, the rotating seat 122 is formed with a second groove 1221. The two pressure wheels 121 are rotatably disposed at opposite ends of the second groove 1221. The opposite side walls of each end of the second groove 1221 are formed with a slot 1222 and a detachable first limiting member 1223. Each pressure wheel 121 includes a wheel axle 1211, and the opposite ends of each wheel axle 1211 are respectively passed through the two slots 1222 at each end of the second groove 1221, and the end of each wheel axle 1211 faces the side of the insertion port of the slot 1222 and is in corresponding contact with each first limiting member 1223. In this way, during installation, the opposite ends of the wheel axle 1211 are respectively inserted into the two slots 1222 at the end of the second groove 1221, and then the first limiting member 1223 is installed to abut the end of the wheel axle 1211 through the first limiting member 1223, thereby realizing the rapid installation of the pressure wheel 121 on the end of the rotating shaft; during disassembly, the first limiting member 1223 is removed, so that the wheel axle 1211 is taken out from the insertion port of the slot 1222, and the pressure wheel 121 can be quickly removed from the rotating seat 122.

[0044] In some embodiments, the first stopper 1223 includes, but is not limited to, a stopper plate, which is mounted on the rotating base 122 via a first fastener 16 such as a pin, screw, rivet, or clip. Furthermore, the axial cross-section of the end of the axle 1211 includes, but is not limited to, regular shapes such as polygons, circles, and ellipses, as well as other irregular shapes. Polygons include, but are not limited to, triangles, quadrilaterals, pentagons, and the like. In this embodiment, the axial cross-section of the end of the axle 1211 is, for example, a rectangular surface, which provides greater stability when abutting against the first stopper 1223.

[0045] In some embodiments, the opening of the second groove 1221 faces away from the material, while the bottom wall of the second groove 1221 faces the material, thereby better guiding the material during material transfer. Specifically, an escape groove 1224 is formed on the bottom wall of each end of the second groove 1221, and at least a portion of the pressure wheel 121 extends outward through the escape groove 1224.

[0046] See also Figure 3 and Figure 6 In some embodiments, the pressure wheel 121 further includes a guide wheel 1212 rotatably mounted on the axle 1211, a bearing 1213 disposed between the guide wheel 1212 and the axle 1211, and a second fastener 1214 mounted on the axle 1211. A step is formed on the axle 1211, and the step and the second fastener 1214 respectively abut against opposite ends of the bearing 1213, thereby limiting the bearing 1213 in the axial direction.

[0047] See also Figure 3 and Figure 7 In one embodiment, the elastic assembly 132 includes an abutment plate 1321 that abuts against the abutment assembly 12, at least one guide rod 1322 mounted on the abutment plate 1321, an elastic member 1323 disposed between the abutment plate 1321 and the support member 131, and a second stopper 1324 connected to the end of the guide rod 1322 distal from the abutment plate 1321. The support member 131 is provided with a guide hole, through which the guide rod 1322 is movably inserted. Thus, when the abutment plate 1321 is squeezed by material, the abutment plate 1321 drives the guide rod 1322 to move along the guide hole, simultaneously pressing against the elastic member 1323, which is compressed accordingly and acts as a buffer. The second stopper 1324 is connected to the end of the guide rod 1322 distal from the abutment plate 1321 and acts as a stopper to prevent the guide rod 1322 from separating from the support member 131.

[0048] In some embodiments, the elastic member 1323 includes but is not limited to a spring, which is sleeved on the guide rod 1322, and the opposite ends of the spring respectively abut against the abutment plate 1321 and the support member 131. Optionally, the support member 131 is but is not limited to a support plate, which is extended along the longitudinal direction Z.

[0049] In some embodiments, the number of guide rods 1322 includes, but is not limited to, one, two, three, or more. In this embodiment, for example, there are two guide rods 1322, and two corresponding springs, each of which is sleeved on a corresponding guide rod 1322. Furthermore, stoppers include, but are not limited to, nuts, clips, screws, etc. mounted on the ends of the guide rods 1322. The stoppers abut against the support member 131 to prevent the guide rods 1322 and support member 131 from separating.

[0050] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does 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 a limitation on this application.

[0051] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0052] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0053] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0054] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0055] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0056] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present patent application shall be determined by the appended claims.

Claims

1. A side guard mechanism (10) for being arranged on any side of a conveying portion of a material conveying device, characterized in that: The side retaining mechanism (10) comprises: Side guard seat (11); an abutting assembly (12), the abutting assembly (12) being movably disposed on the side guard seat (11), the abutting assembly (12) being used for abutting against the material; and A supporting mechanism (13) includes a supporting member (131) and an elastic component (132) connected to the supporting member (131), wherein the elastic component (132) and the abutting component (12) abut against each other on a side facing away from the material.

2. The sidewall mechanism (10) according to claim 1, characterized in that: There are a plurality of abutment components (12) which are sequentially spaced apart along the longitudinal direction Z of the side guard seat (11); there are a plurality of elastic components (132), and each elastic component (132) is correspondingly arranged to each abutment component (12).

3. The side retaining mechanism (10) according to claim 1, characterized in that: The abutting assembly (12) is rotatably arranged on the side guard seat (11); and / or the abutting assembly (12) is provided with a rotatable pressing wheel (121), and the wheel surface of the pressing wheel (121) is used for abutting against the material.

4. The side retaining mechanism (10) according to claim 3, characterized in that: The abutting assembly (12) further comprises a rotating seat (122) rotatably arranged on the side guard seat (11); the middle portion of the rotating seat (122) is rotatably connected to the side guard seat (11); the number of the pressing wheels (121) of the abutting assembly (12) is two, and the two pressing wheels (121) are rotatably arranged at opposite ends of the rotating seat (122); the support mechanism (13) is adjustable in position Z along the longitudinal direction of the side guard seat (11) so that any one of the pressing wheels (121) protrudes in a direction away from the elastic assembly (132).

5. The side retaining mechanism (10) according to claim 4, characterized in that: The side retaining mechanism (10) further comprises a power mechanism (14), wherein the power mechanism (14) is connected to the support member (131) and is used to drive the support member (131) to move along the longitudinal direction Z.

6. The side retaining mechanism (10) according to claim 4, characterized in that: The side guard seat (11) is formed with a first groove (1101), the notch of the first groove (1101) faces the material; a first connecting shaft (1102) is provided on the side guard seat (11), the rotating seat (122) is rotatably mounted on the first connecting shaft (1102) and is located in the first groove (1101), and at least a portion of one of the pressing wheels (121) extends to the outside of the first groove (1101) through the notch.

7. The side retaining mechanism (10) according to claim 6, characterized in that: The edge retaining mechanism (10) further comprises two positioning sleeves (15) sleeved on the first connecting shaft (1102) and respectively located on opposite sides of the rotating seat (122); the two positioning sleeves (15) respectively abut between the rotating seat (122) and two opposite inner side walls of the groove.

8. The side retaining mechanism (10) according to claim 4, characterized in that: The rotating seat (122) is formed with a second groove (1221), and the two pressing wheels (121) are rotatably arranged at the opposite ends of the second groove (1221); the opposite side walls of each end of the second groove (1221) are formed with a slot (1222) and a detachable first limiting member (1223), each of the pressing wheels (121) includes a wheel axle (1211), and the opposite ends of each wheel axle (1211) are respectively correspondingly inserted into the two slots (1222) at each end of the second groove (1221), and the end of each wheel axle (1211) faces the side of the insertion port of the slot (1222) and is correspondingly abutted with each first limiting member (1223).

9. The sidewall mechanism (10) according to any one of claims 1 to 8, characterized in that: The elastic component (132) includes an abutment plate (1321) abutting against the abutment component (12), at least one guide rod (1322) mounted on the abutment plate (1321), an elastic member (1323) arranged between the abutment plate (1321) and the support member (131), and a second limiting member (1324) connected to one end of the guide rod (1322) away from the abutment plate (1321); the support member (131) is provided with a guide hole, and the guide rod (1322) can be movably inserted into the guide hole.

10. A material conveying device, characterized in that: The material conveying device comprises at least one sidewall mechanism (10) according to any one of claims 1 to 9.

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