Conveying device and processing production line

Abstract

The utility model relates to the field of material transportation, in particular to a conveying device and a machining production line. The conveying device comprises a frame body, a conveying mechanism and a plurality of lifting mechanisms, wherein the conveying mechanism is arranged on the frame body; the conveying mechanism is used for sequentially conveying multiple materials in the conveying direction; the multiple lifting mechanisms are arranged at intervals in the conveying direction and used for correspondingly lifting the multiple materials on the conveying mechanism so that the materials can be separated from the conveying mechanism, or the multiple lifting mechanisms are used for descending and transferring the materials to the conveying mechanism. According to the conveying device, the multiple lifting mechanisms are arranged, so that one or more materials can be separated out of the conveying device, and the materials are processed. And moreover, in the process of separating part of materials, other materials can be continuously conveyed, so that the material conveying efficiency is improved. And the conveying device can also descend and transfer the materials to the conveying mechanism through the lifting mechanism, so that the materials are conveyed again.

Description

Technical Field

[0001] The utility model relates to the field of material transportation, and more specifically, to a conveying device and a processing production line. Background Art

[0002] Material conveying devices are equipment used to handle and transport materials in industrial production and logistics systems. These devices can be manual, semi-automatic or fully automatic, and there are various types of conveying devices to choose from according to the type, weight, volume of the materials and the conveying distance.

[0003] However, the conveying efficiency of the material conveying devices in the prior art is relatively low. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a conveying device and a processing production line, which can separate materials from the conveying mechanism without affecting the conveying of other materials, thereby improving the efficiency of material conveying.

[0005] The embodiments of the utility model are implemented as follows:

[0006] In a first aspect, the utility model provides a conveying device, including:

[0007] A frame;

[0008] A conveying mechanism, which is arranged on the frame; the conveying mechanism is used to sequentially convey a plurality of materials along the conveying direction;

[0009] A plurality of lifting mechanisms, which are arranged at intervals along the conveying direction, and are used to correspondingly lift the plurality of materials on the conveying mechanism so that the materials are separated from the conveying mechanism, or are used to lower and transfer the materials onto the conveying mechanism.

[0010] In an optional embodiment, the lifting mechanism includes a first lifting cylinder and a lifting platform; the first lifting cylinder is connected to the frame, and the first lifting cylinder is located below the conveying mechanism; the lifting cylinder is connected to the lifting platform and is used to drive the lifting platform to lift or lower, and the lifting platform is used to receive materials.

[0011] In an optional embodiment, the lifting mechanism is provided with a feeding end and a discharging end along the conveying direction;

[0012] The lifting mechanism further includes a second lifting cylinder and a lifting baffle; the second lifting cylinder is connected to the frame, and the second lifting cylinder is located below the conveying device; the second lifting cylinder is connected to the lifting baffle and is used to drive the lifting baffle to lift and lower; the lifting baffle is located at the discharging end and is used to restrict the movement of materials along the conveying direction.

[0013] In an optional embodiment, the conveying device further includes a clamping mechanism, which includes a clamping cylinder and two clamping plates; the clamping cylinder is connected to the frame body and the two clamping plates; the two clamping plates are located on opposite sides of the conveying mechanism; the clamping cylinder is used to drive the two clamping plates to approach each other along a direction perpendicular to the conveying direction to clamp the material, or move away from each other to release the material;

[0014] Among them, the moving directions of the lifting mechanism, the moving directions of the clamping plates, and the conveying direction are perpendicular to each other in pairs.

[0015] In an optional embodiment, the clamping mechanism further includes a plurality of support plates, and the plurality of support plates are respectively located on one side of the two clamping plates for clamping the material, and the plurality of support plates are connected to the clamping plates.

[0016] In an optional embodiment, the support plate is provided with a guiding inclined surface, and the guiding inclined surface is used to guide the material to move from the conveying mechanism to the support plate.

[0017] In an optional embodiment, the conveying mechanism further includes a driving wheel, a driven wheel and a conveyor belt, and both the driving wheel and the driven wheel are rotatably connected to the frame body; the conveyor belt is movably wound around the driving wheel and the driven wheel;

[0018] Among them, the rotation axes of the driving wheel and the driven wheel are both perpendicular to the conveying direction; the rotation axes of the driving wheel and the driven wheel are parallel.

[0019] In an optional embodiment, the number of conveyor belts is two, and the two conveyor belts are arranged at intervals along the axis direction of the driving wheel.

[0020] In a second aspect, the present utility model provides a processing production line, which includes a grasping device, a processing device, a feeding port, a discharging port and the aforementioned conveying device; the grasping device is used to grasp the material lifted by the lifting mechanism and transfer it to the processing device, and is also used to grasp and transfer the processed material on the processing device to the lifting mechanism;

[0021] The feeding port and the discharging port are respectively located at both ends of the conveying device.

[0022] In an optional embodiment, the numbers of the grasping device and the processing device are both set to be multiple, and each grasping device can grasp the material to one of the multiple processing devices.

[0023] The beneficial effects of the embodiments of the present utility model include:

[0024] The conveying device includes a frame body, a conveying mechanism, and a plurality of lifting mechanisms. The conveying mechanism is arranged on the frame body; the conveying mechanism is used to convey a plurality of materials in sequence along the conveying direction; the plurality of lifting mechanisms are arranged at intervals along the conveying direction, and the plurality of lifting mechanisms are used to correspondingly lift the plurality of materials on the conveying mechanism so that the materials are separated from the conveying mechanism, or are used to lower and transfer the materials onto the conveying mechanism.

[0025] By arranging a plurality of lifting mechanisms, the conveying device enables one or more materials to be separated from the conveying device, so as to process the materials. Moreover, during the process of separating some materials, other materials can continue to be conveyed, thereby improving the efficiency of material conveying. The conveying device can also lower and transfer the materials onto the conveying mechanism through the lifting mechanisms, so as to transport the materials again. Brief Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0027] Figure 1 It is a schematic structural diagram of the conveying device provided by the embodiment of the present invention;

[0028] Figure 2 It is a schematic structural diagram of the frame body and the lifting mechanism provided by the embodiment of the present invention;

[0029] Figure 3 It is a schematic structural diagram of the processing production line provided by the embodiment of the present invention.

[0030] Icons: 100 - conveying device; 110 - frame body; 120 - conveying mechanism; 121 - driving wheel; 122 - driven wheel; 123 - conveyor belt; 130 - lifting mechanism; 131 - lifting platform; 132 - feeding end; 133 - discharging end; 134 - lifting baffle; 140 - clamping mechanism; 141 - clamping plate; 142 - support plate; 143 - guiding inclined surface; 200 - grasping device; 300 - processing device; 400 - discharging opening; 500 - feeding opening; 600 - processing production line. Detailed Embodiments

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. Components of the embodiments of the present utility model described and illustrated herein usually can be arranged and designed in various different configurations.

[0032] Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0033] It should be noted that: like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be construed as indicating or implying relative importance.

[0035] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0036] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] Please refer toFigures 1 - 3 , Figure 1 is a schematic structural diagram of the conveying device 100 provided by an embodiment of the present invention; Figure 2 is a schematic structural diagram of the frame body 110 and the lifting mechanism 130 provided by an embodiment of the present invention; Figure 3 is a schematic structural diagram of the processing production line 600 provided by an embodiment of the present invention. It should be noted that the illustrated X direction is the conveying direction, the illustrated Y direction is the moving direction of the clamping plate 141, and the illustrated Z direction is the moving direction of the lifting mechanism 130.

[0038] An embodiment of the present invention provides a processing production line 600, which includes a grasping device 200, a processing device 300, a feeding port 500, a discharging port 400, and a conveying device 100; the grasping device 200 is used to grasp the materials lifted by the lifting mechanism 130 and transfer them to the processing device 300, and is also used to grasp and transfer the processed materials on the processing device 300 to the lifting mechanism 130; the feeding port 500 and the discharging port 400 are respectively located at both ends of the conveying device 100.

[0039] Specifically, the processing production line 600 uses the conveying device 100 to sequentially convey multiple materials to be processed from the feeding port 500. The grasping device 200 grasps the materials to be processed located on the conveying device 100 and transfers them to the processing device 300, and uses the processing device 300 to process the materials. After the materials are processed, the grasping device 200 grasps the processed materials and transfers them from the processing device 300 to the conveying device 100, and the conveying device 100 conveys the processed materials to the discharging port 400.

[0040] The following will elaborate on the conveying device 100 in the processing production line 600:

[0041] The conveying device 100 includes a frame body 110, a conveying mechanism 120, and multiple lifting mechanisms 130. The conveying mechanism 120 is arranged on the frame body 110; the conveying mechanism 120 is used to sequentially convey multiple materials along the conveying direction; the multiple lifting mechanisms 130 are arranged at intervals along the conveying direction, and the multiple lifting mechanisms 130 are used to correspondingly lift the multiple materials on the conveying mechanism 120 so that the materials are separated from the conveying mechanism 120, or are used to lower the materials and transfer them to the conveying mechanism 120.

[0042] It should be noted that the multiple materials are sequentially conveyed along the conveying direction. According to the sequence of material conveyance, the materials can be divided into the first material, the second material... the Nth material.

[0043] A plurality of lifting mechanisms 130 are arranged at intervals along the conveying direction. From the feed inlet 500 to the discharge outlet 400, the plurality of lifting mechanisms 130 can be divided into the first lifting mechanism 130, the second lifting mechanism 130... the Nth lifting mechanism 130.

[0044] Specifically, the conveying mechanism 120 conveys a plurality of materials along the conveying direction. When the first material to be processed reaches the first lifting mechanism 130, the first lifting mechanism 130 lifts the first material to be processed in the vertical direction. Subsequently, the gripping device 200 grabs and transfers the first material to be processed into the processing device 300, and the processing device 300 processes the first material to be processed.

[0045] While the first material is lifted in the vertical direction by the first lifting device, other materials located behind the first material along the conveying direction continue to be conveyed through the first lifting mechanism 130. When the second material to be processed reaches the second lifting mechanism 130, the second lifting mechanism 130 lifts the second material to be processed in the vertical direction, and then the processing device 300 processes the second material to be processed.

[0046] After the first material is processed, the gripping mechanism moves and transfers the first processed material from the processing device 300 to the first lifting mechanism 130. The first lifting mechanism 130 lowers the first processed material in the vertical direction, so that the first processed material can continue to move along the conveying direction through the conveying mechanism 120 to the discharge outlet 400.

[0047] It should be noted that in this embodiment, the number of lifting mechanisms 130 is three. It can be understood that after the first lifting mechanism 130 completes the operation on the first material, the first lifting mechanism 130 operates on the fourth material again; that is, every three materials form a cycle.

[0048] In other embodiments, the staff can adjust the number of lifting mechanisms 130 according to the actual situation.

[0049] Thus, by arranging a plurality of lifting mechanisms 130 in the conveying device 100, when a material is separated from the conveying device 100 for processing, it will not affect the conveying of other materials located behind it, and multiple materials can be processed simultaneously, thereby improving the efficiency of material conveying and the efficiency of material processing.

[0050] Furthermore, in this embodiment, both the gripping device 200 and the processing device 300 are provided with a plurality of each. Each gripping device 200 can grab materials into one of the plurality of processing devices 300.

[0051] Understandably, in this embodiment, one grasping device 200 corresponds to two processing devices 300. The grasping device 200 can first grasp a workpiece to be processed into one of the processing devices 300 for processing, and then grasp another workpiece to be processed into the other processing device 300 for processing.

[0052] According to the above structural arrangement, in this embodiment, when the first workpiece to be processed is grasped and transported by the grasping device 200 into one of the processing devices 300 for processing, the first lifting mechanism 130 can operate on the fourth workpiece to be processed, that is, lift the fourth workpiece to be processed, so that the fourth workpiece to be processed is grasped and transported by the grasping device 200 into the other processing device 300 for processing. Thus, the processing production line 600 in this embodiment takes six workpieces as a cycle, thereby improving the efficiency of workpiece processing.

[0053] In other embodiments, the number of the processing devices 300 and the grasping device 200 can be adjusted according to the actual situation, so as to adjust the number of workpieces in the cycle.

[0054] Further, please refer to Figures 1 - 3 , the lifting mechanism 130 includes a first lifting cylinder (not shown in the figure) and a lifting platform 131; the first lifting cylinder is connected to the frame 110, and the first lifting cylinder is located below the conveying mechanism 120; the lifting cylinder is connected to the lifting platform 131 and is used to drive the lifting platform 131 to lift or lower, and the lifting platform 131 is used to hold the workpiece.

[0055] It should be noted that in this embodiment, a part of the workpiece is in a suspended state, so that the lifting platform 131 located below the conveying mechanism 120 can contact the workpiece located above the conveying mechanism 120 and lift and lower the workpiece.

[0056] After the lifting platform 131 contacts the workpiece to be processed, the workpiece to be processed moves upward in the vertical direction under the action of the lifting platform 131, so that the workpiece to be processed is separated from the conveying mechanism 120. Subsequently, the grasping device 200 grasps the workpiece to be processed and transports it to the processing device 300 for processing.

[0057] After the grasping device grasps the processed workpiece onto the lifting platform 131, the processed workpiece moves downward in the vertical direction under the action of the lifting platform 131, so as to transport the processed workpiece onto the conveying mechanism 120, and the conveying mechanism 120 transports the processed workpiece along the conveying direction to the discharge port 400.

[0058] According to the above content, please refer to Figures 1 - 3, the lifting mechanism 130 is provided with a feeding end 132 and a discharging end 133 along the conveying direction; the lifting mechanism 130 further includes a second lifting cylinder (not shown in the figure) and a lifting baffle 134; the second lifting cylinder is connected to the frame 110, and the second lifting cylinder is located below the conveying device 100; the second lifting cylinder is connected to the lifting baffle 134, and the second lifting cylinder is used to drive the lifting baffle 134 to lift and lower; the lifting baffle 134 is located at the discharging end 133 and is used to restrict the movement of the material along the conveying direction.

[0059] Specifically, when the material to be processed enters the lifting mechanism 130 from the feeding end 132, the material to be processed abuts against the lifting baffle 134, so as to prevent the material to be processed from moving along the conveying direction through the lifting baffle 134. Subsequently, the lifting platform 131 contacts the material to be processed, so as to lift the material to be processed.

[0060] After the material to be processed is lifted by the lifting platform 131 to be separated from the conveying device 100, the second lifting cylinder drives the lifting baffle 134 to descend, so that other materials located behind the lifted material to be processed continue to move along the conveying direction.

[0061] After the lifting platform 131 transfers the processed material to the conveying mechanism 120 and the conveying mechanism 120 conveys the processed material away from the lifting mechanism 130, the second lifting cylinder drives the lifting baffle 134 to rise to restrict the movement of new materials to be processed in the conveying direction.

[0062] Further, please refer to Figures 1 - 3 , the conveying device 100 further includes a clamping mechanism 140, and the clamping mechanism 140 includes a clamping cylinder and two clamping plates 141; the clamping cylinder is connected to the frame 110 and the two clamping plates 141; the two clamping plates 141 are located on opposite sides of the conveying mechanism 120; the clamping cylinder is used to drive the two clamping plates 141 to approach each other along the direction perpendicular to the conveying direction to clamp the material, or move away from each other to release the material; wherein, the moving directions of the lifting mechanism 130, the clamping plates 141 and the conveying direction are perpendicular to each other in pairs.

[0063] Specifically, in this embodiment, after the material to be processed is lifted by the lifting platform 131, the two clamping plates 141 approach each other along the direction perpendicular to the conveying direction to clamp the material. After the material is clamped, the lifting platform 131 descends to be separated from the material, so as to avoid affecting the transportation of other materials behind the lifting platform 131, thereby improving the efficiency of material transportation and the efficiency of processing production.

[0064] The grasping device 200 grasps and transfers the processed material to the clamping mechanism 140. That is, the two clamping plates 141 first clamp the processed material, and then the lifting platform 131 rises to carry the processed material. Then, the two clamping plates 141 move away from each other to make the material separate from the clamping plates 141, and the lifting platform 131 descends to transfer the processed material to the conveying mechanism 120.

[0065] According to the above content, please refer to Figure 3 , the clamping mechanism 140 further includes a plurality of support plates 142. The plurality of support plates 142 are respectively located on one side of the two clamping plates 141 for clamping the material, and the plurality of support plates 142 are connected to the clamping plates 141. Among them, the support plate 142 is provided with a guiding inclined surface 143, and the guiding inclined surface 143 is used to guide the material to move from the conveying mechanism 120 to the support plate 142.

[0066] Specifically, the lifting platform 131 lifts the material to a height higher than the support plate 142, and then the two clamping plates 141 move closer to each other to clamp the material to be processed. The support plate 142 is used to support the material, improve the stability of the material, and prevent the material from separating from the clamping mechanism 140.

[0067] Furthermore, the conveying mechanism 120 further includes a driving wheel 121, a driven wheel 122 and a conveyor belt 123. The driving wheel 121 and the driven wheel 122 are both rotatably connected to the frame 110; the conveyor belt 123 is movably wound around the driving wheel 121 and the driven wheel 122; among them, the rotation axes of the driving wheel 121 and the driven wheel 122 are both perpendicular to the conveying direction; the rotation axes of the driving wheel 121 and the driven wheel 122 are parallel.

[0068] Specifically, in this embodiment, the conveyor belt 123 is in partial contact with the material, so that the other part of the material is suspended, so that the lifting platform 131 can contact the material to lift and lower the material.

[0069] In this embodiment, the number of the conveyor belts 123 is set to two, and the two conveyor belts 123 are arranged at intervals along the axis direction of the driving wheel 121. It can be understood that the lifting platform 131 passes through the interval between the two conveyor belts 123 to contact the material and lift and lower the material. During the process of the lifting platform 131 lowering the processed material, the processed material contacts the conveyor belt 123, and the lifting platform 131 continues to move downward. Due to the restriction of the downward movement of the processed material by the conveyor belt 123, the processed material separates from the lifting platform 131 and is transferred to the conveyor belt 123, and then moves to the discharge port 400 along with the conveyor belt 123.

[0070] In summary, the processing production line 600 includes a grasping device 200, a processing device 300, a feeding port 500, a discharging port 400, and a conveying device 100. The processing production line 600 uses the conveying device 100 to sequentially convey multiple workpieces to be processed from the feeding port 500. The grasping device 200 grasps the workpieces to be processed located on the conveying device 100 and transfers them to the processing device 300, and uses the processing device 300 to process the workpieces. After the workpieces are processed, the grasping device 200 grasps the processed workpieces and transfers them from the processing device 300 to the conveying device 100, and the conveying device 100 conveys the processed workpieces to the discharging port 400.

[0071] The conveying device 100 includes a frame body 110, a conveying mechanism 120, and multiple lifting mechanisms 130. By arranging the multiple lifting mechanisms 130, the conveying device 100 enables one or more workpieces to be separated from the conveying device 100, so as to process the workpieces. Moreover, during the process of separating some of the workpieces, the other workpieces can continue to be conveyed, thereby improving the conveying efficiency of the workpieces. In addition, the conveying device 100 can also lower and transfer the workpieces to the conveying mechanism 120 through the lifting mechanisms 130, so as to convey the workpieces again.

[0072] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A conveying device, characterized in that: include: frame (110); A conveying mechanism (120), the conveying mechanism (120) being arranged on the frame (110); the conveying mechanism (120) being used to sequentially convey a plurality of materials along a conveying direction; A plurality of lifting mechanisms (130) are provided at intervals along the conveying direction, and the plurality of lifting mechanisms (130) are used to correspondingly lift the plurality of materials on the conveying mechanism (120) so that the materials are separated from the conveying mechanism (120), or to lower the materials and transfer them to the conveying mechanism (120).

2. The conveying device according to claim 1, characterized in that The lifting mechanism (130) includes a first lifting cylinder and a lifting platform (131); the first lifting cylinder is connected to the frame (110), and the first lifting cylinder is located below the conveying mechanism (120); the lifting cylinder is connected to the lifting platform (131) and is used to drive the lifting platform (131) to rise or fall, and the lifting platform (131) is used to receive the material.

3. The conveying device according to claim 2, characterized in that The lifting mechanism (130) is provided with a feeding end (132) and a discharging end (133) along the conveying direction; The lifting mechanism (130) further includes a second lifting cylinder and a lifting baffle (134); the second lifting cylinder is connected to the frame (110), and the second lifting cylinder is located below the conveying device (100); the second lifting cylinder is connected to the lifting baffle (134), and the second lifting cylinder is used to drive the lifting baffle (134) to rise and fall; the lifting baffle (134) is located at the discharge end (133) and is used to limit the movement of the material along the conveying direction.

4. The conveying device according to any one of claims 1 to 3, characterized in that: The conveying device (100) further comprises a clamping mechanism (140), the clamping mechanism (140) comprising a clamping cylinder and two clamping plates (141); the clamping cylinder is connected to the frame (110) and the two clamping plates (141); the two clamping plates (141) are located on opposite sides of the conveying mechanism (120); the clamping cylinder is used to drive the two clamping plates (141) to move closer to each other in a direction perpendicular to the conveying direction to clamp the material, or to move away from each other to separate from the material; The movement direction of the lifting mechanism (130), the movement direction of the clamping plate (141), and the conveying direction are perpendicular to each other.

5. The conveying device according to claim 4, characterized in that The clamping mechanism (140) further comprises a plurality of support plates (142), wherein the plurality of support plates (142) are respectively located on one side of the two clamping plates (141) for clamping the material, and the plurality of support plates (142) are connected to the clamping plates (141).

6. The conveying device according to claim 5, characterized in that The support plate (142) is provided with a guide slope (143), and the guide slope (143) is used to guide the material to move from the conveying mechanism (120) to the support plate (142).

7. The conveying device according to any one of claims 1 to 3, characterized in that: The conveying mechanism (120) further comprises a driving wheel (121), a driven wheel (122) and a conveyor belt (123), wherein the driving wheel (121) and the driven wheel (122) are both rotatably connected to the frame (110); the conveyor belt is movably wound around the driving wheel (121) and the driven wheel (122); The rotation axis of the driving wheel (121) and the rotation axis of the driven wheel (122) are both perpendicular to the conveying direction; the rotation axis of the driving wheel (121) and the rotation axis of the driven wheel (122) are parallel.

8. The conveying device according to claim 7, characterized in that There are two conveyor belts, and the two conveyor belts are spaced apart along the axis direction of the driving wheel (121).

9. A processing production line, characterized in that: The invention comprises a grabbing device (200), a processing device (300), a material inlet (500), a material outlet (400), and a conveying device (100) according to any one of claims 1 to 8; the grabbing device (200) is used to grab the material lifted by the lifting mechanism (130) and transfer it to the processing device (300), and is used to grab and transfer the material that has been processed on the processing device (300) to the lifting mechanism (130); The feed port (500) and the discharge port (400) are respectively located at two ends of the conveying device (100).

10. The processing production line according to claim 9, characterized in that: The grabbing devices (200) and the processing devices (300) are both provided in plural numbers, and each of the grabbing devices (200) is capable of grabbing materials to one of the plural processing devices (300).

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