Material transfer mechanism and material conveying device

Abstract

The utility model provides a material transfer mechanism and a material conveying device. The material transferring mechanism comprises a driving assembly, a rotating assembly and a clamping jaw assembly used for clamping materials, the rotating assembly is connected with the driving assembly and driven by the driving assembly to rotate around the rotating center line, the rotating assembly is provided with an output end, and the clamping jaw assembly is connected to the output end so as to rotate along with the rotating assembly. Wherein the rotating assembly is connected with a transmission assembly, and when the rotating assembly rotates around the rotating center line, the clamping jaw assembly rotates along with the rotating assembly through the transmission assembly and rotates around the rotating axis of the clamping jaw assembly so that the direction of clamped materials can be kept unchanged. Thus, the movement range of the clamping jaw assembly can be effectively widened, the situation that the materials are scattered and overturned in the clamping and transferring process can be avoided, and the reliability and stability of the material transferring mechanism and the use safety and experience feeling of a user are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material transportation, and in particular to a material transfer mechanism and a material conveying device. Background Art

[0002] Mechanical equipment is often used to transfer or transport materials or components to reduce the workload of operators. For example, during the testing of biological samples, a transfer device is often required to move the deep-well plate containing the biological sample to be tested to a designated location, which can effectively improve the testing efficiency.

[0003] However, when using mobile devices to transfer biological samples, the biological samples are easily spilled or overturned due to the shaking caused by the displacement, thereby contaminating the biological samples and affecting the accuracy of the test results. At the same time, the spilled biological samples may also pose a potential threat to the health of the operators. Utility Model Content

[0004] To at least partially address the problems existing in the prior art, according to one aspect of the present invention, a material transfer mechanism is provided. The material transfer mechanism includes a drive assembly, a rotating assembly, and a gripper assembly for gripping material. The rotating assembly is connected to the drive assembly and rotates about a rotational centerline driven by the drive assembly. The rotating assembly has an output end, and the gripper assembly is connected to the output end to rotate with the rotating assembly. The rotating assembly is connected to a transmission assembly. When the rotating assembly rotates about the rotational centerline, the gripper assembly rotates with the rotating assembly through the transmission assembly, and rotates about its own rotational axis to maintain the direction of the gripped material.

[0005] The material transfer mechanism of the present invention can ensure that the clamping jaw assembly rotates under the drive of the rotating assembly, and at the same time, keep the direction of the material clamped by the clamping jaw assembly unchanged through the transmission assembly. In this way, not only can the motion range of the clamping jaw assembly be effectively improved, but also the material can be avoided from being spilled or overturned during the clamping and transfer process, thereby effectively improving the reliability and stability of the material transfer mechanism, as well as the safety and experience of users.

[0006] Exemplarily, the rotating assembly includes a swing arm having a first position and a second position, the driving assembly is connected to the first position of the swing arm through a first axis, and the center line of the first axis forms the rotation center line; the clamping assembly is connected to the second position of the swing arm through a second axis.

[0007] Exemplarily, the transmission assembly includes a first wheel body, a second wheel body and a transmission belt. The first wheel body is mounted outside the first shaft, the second wheel body is fixedly connected to the second shaft, and the end of the second shaft away from the second wheel body forms an output end. The transmission belt is wound between the first wheel body and the second wheel body.

[0008] Exemplarily, the swing arm is provided with a through hole at the second position, and the second shaft is sequentially provided with a shaft end, a shaft body matching portion and a connecting portion in the axial direction. The shaft body matching portion is passed through the through hole, and the shaft end and the connecting portion are respectively located on both sides of the swing arm. The second wheel body is fixedly connected to the connecting portion, and the output end is formed on the shaft end.

[0009] Exemplarily, a first bearing is provided on the outer sleeve of the shaft matching portion, and the swing arm is rotatably connected to the shaft matching portion through the first bearing.

[0010] Exemplarily, the transmission assembly also includes a connecting member, the connecting member and the swing arm are respectively arranged on opposite sides of the first wheel body, and the connecting member is connected to the first wheel body, and the end of the first shaft away from the swing arm passes through the connecting member and is connected to the drive assembly.

[0011] Illustratively, a second bearing is provided outside the first shaft, and the first shaft is rotatably connected to the connecting member via the second bearing.

[0012] Exemplarily, the material transfer mechanism further includes a lifting assembly, the transmission assembly is connected to the lifting assembly through the driving assembly, and the lifting assembly drives the clamping claw assembly to move in the vertical direction.

[0013] Exemplarily, the material transfer mechanism further includes a translation assembly, the driving assembly is connected to the translation assembly through the lifting assembly, and the translation assembly drives the clamping claw assembly to move in the horizontal direction.

[0014] According to another aspect of the present invention, a material conveying device is provided, comprising a transmission mechanism and the material transfer mechanism as described above, wherein the material is transported to the material transfer mechanism through the transmission mechanism, and the material is transferred to a designated location through the material transfer mechanism.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and other purposes, features, and advantages of the present invention will become more apparent through a more detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. The accompanying drawings are intended to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and are not intended to limit the present invention. In the drawings, the same reference numerals generally represent the same components or steps.

[0017] Figure 1A schematic structural diagram of a material transfer mechanism according to an exemplary embodiment of the present invention is shown;

[0018] Figure 2 A schematic structural diagram showing the connection between a rotating assembly and a transmission assembly according to an exemplary embodiment of the present utility model is shown;

[0019] Figure 3 Shown Figure 2 Corresponding cross-sectional view.

[0020] Among them, the components represented by the reference numerals in the figures are:

[0021] 1. Driving assembly; 2. Rotating assembly; 21. Output end; 22. Swing arm; 3. Clamping assembly; 31. First driving member; 32. Clamping jaw; 4. Transmission assembly; 41. First wheel body; 42. Second wheel body; 43. Transmission belt; 44. Connecting member; 5. First shaft; 6. Second shaft; 61. Shaft end; 62. Shaft body matching portion; 63. Connecting portion; 7. First bearing; 8. Second bearing; 9. Lifting assembly; 91. Second driving member; 92. Third wheel body; 93. First belt body; 94. Slide groove; 10. Translation assembly; 101. Fifth wheel body; 102. Sixth wheel body; 103. Second belt body; 104. Slide rail. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more apparent, the following exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments of the present invention. It should be understood that the present invention is not limited to the exemplary embodiments described herein. Based on the embodiments of the present invention described in this utility model, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present utility model.

[0023] In the following description, numerous details are provided to facilitate a thorough understanding of the present invention. However, those skilled in the art will appreciate that the following description merely illustrates preferred embodiments of the present invention, and that the present invention may be practiced without one or more of these details. Furthermore, to avoid confusion with the present invention, some technical features well known in the art have not been described in detail.

[0024] To thoroughly understand the embodiments of the present invention, a detailed structure will be provided in the following description. Obviously, the implementation of the embodiments of the present invention is not limited to the specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other embodiments.

[0025] In one embodiment of the present application, a material transfer mechanism is provided. The material transfer mechanism not only has a multi-directional range of motion, but also can prevent the material from being spilled or overturned during the clamping and transfer process. The following will describe in detail a material transfer mechanism according to an embodiment of the present application in conjunction with the accompanying drawings.

[0026] like Figure 1 and Figure 2 As shown, the material transfer mechanism includes a drive assembly 1, a rotating assembly 2, and a gripper assembly 3 for gripping materials. The rotating assembly 2 is connected to the drive assembly 1 and rotates about a rotational centerline driven by the drive assembly 1. The rotating assembly 2 has an output end 21, and the gripper assembly 3 is connected to the output end 21 to rotate with the rotating assembly 2. The rotating assembly 2 is connected to a transmission assembly 4. When the rotating assembly 2 rotates about the rotational centerline, the gripper assembly 3 rotates with the rotating assembly 2 through the transmission assembly 4, and rotates about its own rotation axis to maintain the direction of the gripped material.

[0027] The rotating component 2 can have a rotation center line that rotates in a vertical plane. One end of the rotating component 2 is connected to the driving component 1, and the other end of the rotating component 2 is connected to the clamping component 3. Driven by the driving component 1, the clamping component 3 can rotate clockwise or counterclockwise around its rotation center line in the vertical plane.

[0028] Driven by the transmission assembly 4, the output end 21 of the rotating assembly 2 can freely rotate relative to the rotating assembly 2. Specifically, when the jaw assembly 3 is gripping material, the drive assembly 1 drives the rotating assembly 2, which in turn drives the jaw assembly 3 to rotate within a vertical plane. Furthermore, while the transmission assembly 4 rotates with the rotating assembly 2, it can also drive the jaw assembly 3, via its output end 21, to rotate about its own rotational axis, ensuring that the material is always gripped in a vertical direction.

[0029] The clamping jaw assembly 3 may include a first driving member 31 and a clamping jaw 32. The first driving member 31 may drive the clamping jaw 32 to rotate circumferentially in the horizontal direction, so that the clamping jaw assembly 3 has a larger clamping range, thereby improving the flexibility and practicality of the material transfer mechanism.

[0030] In the above embodiment, it can be ensured that the clamping jaw assembly 3 rotates under the drive of the rotating assembly 2, and the direction of the material clamped by the clamping jaw assembly 3 can also be kept unchanged through the transmission assembly 4. In this way, not only can the movement range of the clamping jaw assembly 3 be effectively improved, but also the material can be avoided from being spilled or overturned during the clamping and transportation process, which effectively improves the reliability and stability of the material transfer mechanism, as well as the safety and experience of users.

[0031] In some embodiments, as shown in Figure 2 and Figure 3 The rotating assembly 2 includes a swing arm 22 having a first position and a second position, the driving assembly 1 is connected to the first position of the swing arm 22 through a first shaft 5, and the center line of the first shaft 5 forms a rotating center line; the clamping jaw assembly 3 is connected to the second position of the swing arm 22 through a second shaft 6.

[0032] The swing arm 22 can have a first position and a second position away from each other. The swing arm 22 can be in the shape of a long strip plate, which can ensure that the swing arm 22 has enough space to be connected to the transmission assembly 4 and the clamping jaw assembly 3, and can also reduce the volume space occupied by the rotating assembly 2.

[0033] The first shaft 5 can be connected to the first position of the swing arm 22, and the clamping jaw assembly 3 can be connected to the second position of the swing arm 22 through the output end 21 and the second shaft 6 in sequence. In this way, when the driving assembly 1 drives the rotating assembly 2 to rotate in the vertical plane through the first shaft 5, the clamping jaw assembly 3 can be synchronously rotated at the second position through the swing arm 22, and rotated around the second shaft 6 through the output end 21 to keep the direction of the clamped material unchanged.

[0034] In the above embodiment, the driving assembly 1 and the clamping jaw assembly 3 can be connected to the first position and the second position on the swing arm 22 through the first shaft 5 and the second shaft 6 respectively, and when the rotating assembly 2 rotates around the first shaft 5, the rotating range of the clamping jaw assembly 3 connected to the second shaft 6 can be effectively improved, thereby improving the flexibility and practicability of the material transfer mechanism.

[0035] In some embodiments, as shown in Figure 2 and Figure 3 The transmission assembly 4 includes a first wheel body 41, a second wheel body 42, and a transmission belt 43, the first wheel body 41 is sleeved outside the first shaft 5, the second wheel body 42 is fixedly connected to the second shaft 6, the end of the second shaft 6 away from the second wheel body 42 forms the output end 21, and the transmission belt 43 is wound between the first wheel body 41 and the second wheel body 42.

[0036] The two ends of the first shaft 5 can be connected to the first position of the swing arm 22 and the driving assembly 1 respectively, the first wheel body 41 can be sleeved outside the first shaft 5, and the second wheel body 42 can be sleeved outside the second shaft 6 and connected to the second shaft 6. And the second wheel body 42 and the first wheel body 41 are arranged in parallel along the length direction of the long strip plate-shaped swing arm 22.

[0037] The transmission belt 43 can be sleeved on the outside of the first wheel body 41 and the second wheel body 42. When the driving assembly 1 drives the first shaft 5 to rotate, the first shaft 5 can drive the swing arm 22 and the second shaft 6 to rotate synchronously, and the second wheel body 42 can perform planetary motion around the first wheel body 41 under the joint drive of the second shaft 6 and the transmission belt 43, that is, the second wheel body 42 can rotate around the first wheel body 41 while also rotating around the rotation center of the second wheel body 42.

[0038] In the above embodiment, when the jaw assembly 3 is driven by the swing arm 22 to rotate, the second shaft 6 and the swing arm 22 can be rotated relative to each other through the action of the first wheel body 41, the second wheel body 42 and the transmission belt 43, and then the jaw assembly 3 and the swing arm 22 can be rotated relative to each other through the output end 21 connected to the second shaft 6. In this way, not only is it ensured that the direction of the material clamped by the jaw assembly 3 is always in the vertical direction, but also the structure of the transmission assembly 4 is compact and the layout is reasonable.

[0039] In some embodiments, as Figure 3 As shown, the swing arm 22 is provided with a through hole at the second position, and the second shaft 6 is sequentially provided with a shaft end 61, a shaft body matching portion 62 and a connecting portion 63 in the axial direction. The shaft body matching portion 62 is passed through the through hole, and the shaft end 61 and the connecting portion 63 are respectively located on both sides of the swing arm 22. The second wheel body 42 is fixedly connected to the connecting portion 63, and the output end 21 is formed on the shaft end 61.

[0040] The second shaft 6 may be disposed at the second position of the swing arm 22 through the through hole, and the shaft end 61 and the connecting portion 63 of the second shaft 6 may be located at two opposite sides of the swing arm 22 .

[0041] The output end 21 may be shaped like a convex block and formed on a side of the shaft end surface away from the swing arm 22 . The clamping jaw assembly 3 may be connected to the second shaft 6 via the output end 21 .

[0042] In some other embodiments, the output end 21 may be provided independently from the shaft end 61 , and the output end 21 and the shaft end 61 may be connected by a snap connection or a screw connection.

[0043] In the above embodiment, the second shaft 6 can be passed through the second position of the swing arm 22, and the shaft end 61 and the connecting portion 63 of the second shaft 6 are respectively connected to the clamping jaw assembly 3 and the second wheel body 42. In this way, the connection structure between the various components of the material transfer mechanism is greatly simplified, and the manufacturing difficulty and manufacturing cost of the material transfer mechanism are reduced.

[0044] In some embodiments, as Figure 3 As shown, a first bearing 7 is provided on the outer sleeve of the shaft matching portion 62 , and the swing arm 22 is rotatably connected to the shaft matching portion 62 via the first bearing 7 .

[0045] The first bearing 7 can reduce the friction between the shaft fitting portion 62 and the swing arm 22, so that the shaft fitting portion 62 can rotate more smoothly, thereby reducing the rotational resistance of the shaft fitting portion 62 and improving the rotational efficiency of the second shaft 6.

[0046] The first bearing 7 can also avoid direct contact between the shaft matching portion 62 and the swing arm 22, thereby avoiding wear of the shaft matching portion 62 and the swing arm 22, thereby extending the service life of the second shaft 6 and the swing arm 22.

[0047] In the above embodiment, the first bearing 7 allows the second shaft 6 to rotate freely relative to the swing arm 22. This allows the swing arm 22 to rotate the jaw assembly 3 about the first shaft 5 in a vertical plane, while the jaw assembly 3 can rotate relative to the swing arm 22 via the second shaft 6, thereby maintaining the direction of the clamped material. This also effectively improves the rotational efficiency and smoothness of the second shaft 6, preventing material spillage during movement.

[0048] In some embodiments, as Figure 2 and Figure 3 As shown, the transmission assembly 4 also includes a connecting member 44, and the connecting member 44 and the swing arm 22 are respectively arranged on opposite sides of the first wheel body 41, and the connecting member 44 is connected to the first wheel body 41, and the end of the first shaft 5 away from the swing arm 22 passes through the connecting member 44 and is connected to the driving assembly 1.

[0049] In the above embodiment, the connecting member 44 can be connected to the first wheel body 41, so that when the drive assembly 1 drives the first shaft 5 to rotate, the connecting member 44 limits the rotation of the first wheel body 41. In this way, the second wheel body 42 can rotate around the first wheel body 41 with the first wheel body 41 as the center, driven by the swing arm 22 and the second shaft 6 via the transmission belt 43, effectively ensuring the rationality and compactness of the layout of the transmission assembly 4.

[0050] In some embodiments, as Figure 3 As shown, a second bearing 8 is provided on the outer sleeve of the first shaft 5 , and the first shaft 5 is rotatably connected to the connecting member 44 through the second bearing 8 .

[0051] The second bearing 8 can avoid direct contact and friction between the first shaft 5 and the connecting member 44 to reduce the rotational resistance of the first shaft 5, thereby effectively reducing the energy loss of the driving assembly 1 and improving the driving efficiency of the driving assembly 1.

[0052] The second bearing 8 can reduce the friction between the first shaft 5 and the connecting member 44 , so that the first shaft 5 can rotate more smoothly, effectively improving the rotation efficiency of the first shaft 5 .

[0053] The second bearing 8 can also avoid direct contact between the first shaft 5 and the connecting member 44 , thereby avoiding wear of the first shaft 5 and the connecting member 44 , thereby extending the service life of the first shaft 5 and the connecting member 44 .

[0054] In the above embodiment, the second bearing 8 can make the rotation between the first shaft 5 and the connecting member 44 smoother, effectively improving the rotation efficiency and rotation stability of the first shaft 5 and reducing the energy consumption of the drive assembly 1.

[0055] In some embodiments, as Figure 1 As shown, the material transfer mechanism further includes a lifting assembly 9, the transmission assembly 4 is connected to the lifting assembly 9 through the driving assembly 1, and the lifting assembly 9 drives the clamping claw assembly 3 to move in the vertical direction.

[0056] The lifting assembly 9 may include a second driving member 91, a third wheel body 92, a fourth wheel body (not shown in the figure), and a first belt body 93. The third wheel body 92 and the fourth wheel body may be spaced apart in the vertical direction. The first belt body 93 may be sleeved on the third wheel body 92 and the fourth wheel body. The driving assembly 1 may be connected to the first belt body 93, and the second driving member 91 may be connected to the third wheel body 92. When the second driving member 91 drives the third wheel body 92 to rotate in a clockwise or counterclockwise direction, the driving assembly 1 may move synchronously in the vertical direction under the drive of the third wheel body 92, the fourth wheel body, and the first belt body 93.

[0057] In the above embodiment, the lifting assembly 9 can drive the driving assembly 1 to move in the vertical direction, and then drive the transmission assembly 4 and the clamping assembly 3 connected to the driving assembly 1 to move in the vertical direction, effectively improving the transfer range and flexibility of the material transfer mechanism.

[0058] In some embodiments, as Figure 1 As shown, the material transfer mechanism further includes a translation assembly 10 , the driving assembly 1 is connected to the translation assembly 10 via the lifting assembly 9 , and the translation assembly 10 drives the clamping jaw assembly 3 to move in the horizontal direction.

[0059] The translation assembly 10 may include a third driving member (not shown), a fifth wheel 101, a sixth wheel 102, and a second belt 103. The fifth wheel 101 and the sixth wheel 102 may be spaced apart in the horizontal direction. The second belt 103 may be sleeved over the fifth wheel 101 and the sixth wheel 102. The translation assembly 10 may be connected to the second belt 103, and the third driving member may be connected to the fifth wheel 101. When the third driving member drives the fifth wheel 101 to rotate clockwise or counterclockwise, the translation assembly 10 may move synchronously in the horizontal direction under the drive of the fifth wheel 101, the sixth wheel 102, and the second belt 103.

[0060] The side of the translation assembly 10 close to the lifting assembly 9 can be provided with a sliding rail 104, and the lifting assembly 9 can be provided with a sliding groove 94 matched with the sliding rail 104. Through the sliding connection between the sliding groove 94 and the sliding rail 104, the lifting assembly 9 can have better stability when moving in the horizontal direction.

[0061] In the above embodiment, the translation assembly 10 can drive the lifting assembly 9 to move in the horizontal direction, and then drive the driving assembly 1, the clamping jaw assembly 3 and other assemblies to move in the horizontal direction, so that the material transfer mechanism has the ability to transfer materials in a narrow space, and further improves the transfer range and flexibility of the material transfer mechanism.

[0062] According to another aspect of the present application, a material conveying device is also provided, which comprises a transmission mechanism and a material transfer mechanism as described above. The material is conveyed to the material transfer mechanism by the transmission mechanism, and the material is transferred to a designated position by the material transfer mechanism.

[0063] The transmission mechanism can convey the material to the area covered by the movement range of the material transfer mechanism, and then transfer the material to the designated position by the material transfer mechanism.

[0064] The material conveying device of the present application comprises the material transfer mechanism as described above. Since the material transfer mechanism as described above has the beneficial effects as described above, the material conveying device comprising the material transfer mechanism as described above must also have the beneficial effects as described above.

[0065] Although example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely exemplary and are not intended to limit the scope of the present application. Those of ordinary skill in the art can make various changes and modifications without departing from the scope and spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.

[0066] For ease of description, the term "connected" can be used herein to describe the relationship between one or more elements or features shown in the drawings and other elements or features. It should be understood that "connected" can include direct connection or indirect connection via other elements or features, and all such cases are intended to be included herein.

[0067] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be further understood that when the terms "comprise" and / or "include" are used in the specification, there is a reference to the presence of a feature, step, operation, component, assembly and / or combinations thereof.

[0068] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0069] The present invention has been described through the above embodiments. However, it should be understood that the above embodiments are for illustrative and illustrative purposes only and are not intended to limit the present invention to the described embodiments. Furthermore, those skilled in the art will appreciate that the present invention is not limited to the above embodiments and that various variations and modifications may be made based on the teachings of the present invention, all of which fall within the scope of the present invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material transfer mechanism, characterized in that: The invention comprises a driving assembly, a rotating assembly and a clamping jaw assembly for clamping materials, wherein the rotating assembly is connected to the driving assembly and rotates around a rotation center line driven by the driving assembly, the rotating assembly has an output end, and the clamping jaw assembly is connected to the output end to rotate with the rotating assembly; The rotating assembly is connected to a transmission assembly. When the rotating assembly rotates around the rotation center line, the clamping jaw assembly rotates along with the rotating assembly through the transmission assembly and rotates around its own rotation axis to keep the direction of the clamped material unchanged.

2. The material transfer mechanism according to claim 1, characterized in that: The rotating assembly includes a swing arm, which has a first position and a second position. The driving assembly is connected to the first position of the swing arm through a first axis, and the center line of the first axis forms the rotation center line; the clamping assembly is connected to the second position of the swing arm through a second axis.

3. The material transfer mechanism according to claim 2, characterized in that: The transmission assembly includes a first wheel body, a second wheel body and a transmission belt. The first wheel body is sleeved outside the first shaft, the second wheel body is fixedly connected to the second shaft, and the end of the second shaft away from the second wheel body forms the output end. The transmission belt is wound between the first wheel body and the second wheel body.

4. The material transfer mechanism according to claim 3, characterized in that: The swing arm is provided with a through hole at the second position, and the second shaft is provided with a shaft end, a shaft body matching portion and a connecting portion in sequence in the axial direction, the shaft body matching portion is passed through the through hole, the shaft end and the connecting portion are respectively located on both sides of the swing arm, the second wheel body is fixedly connected to the connecting portion, and the output end is formed on the shaft end.

5. The material transfer mechanism according to claim 4, characterized in that: The shaft matching portion is outer-circuited with a first bearing, and the swing arm is rotatably connected to the shaft matching portion via the first bearing.

6. The material transfer mechanism according to claim 3, characterized in that: The transmission assembly also includes a connecting member, and the connecting member and the swing arm are respectively arranged on opposite sides of the first wheel body, and the connecting member is connected to the first wheel body, and the end of the first shaft away from the swing arm passes through the connecting member and is connected to the driving assembly.

7. The material transfer mechanism according to claim 6, characterized in that: A second bearing is disposed outside the first shaft, and the first shaft is rotatably connected to the connecting member via the second bearing.

8. The material transfer mechanism according to claim 1, characterized in that: The material transfer mechanism further includes a lifting assembly, the transmission assembly is connected to the lifting assembly through the drive assembly, and the lifting assembly drives the clamping claw assembly to move in a vertical direction.

9. The material transfer mechanism according to claim 8, characterized in that: The material transfer mechanism further includes a translation assembly. The driving assembly is connected to the translation assembly through the lifting assembly. The translation assembly drives the clamping claw assembly to move in a horizontal direction.

10. A material conveying device, characterized in that: It comprises a transmission mechanism and a material transfer mechanism as described in any one of claims 1 to 9, wherein the material is transported to the material transfer mechanism through the transmission mechanism, and the material is transferred to a designated location through the material transfer mechanism.

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