Conveyor and conveying system

Abstract

The utility model provides a conveyor and a conveying system, and relates to the technical field of material conveying. Comprising a rack which comprises an outer arc bearing table and an inner arc bearing table which are coaxially arranged; each transmission roller is arranged in the radial direction of the outer arc bearing table so that the multiple transmission rollers can jointly form a conveying channel used for conveying a to-be-conveyed part, and the two ends of each transmission roller are movably connected with the outer arc bearing table and the inner arc bearing table correspondingly; the transmission assembly is used for driving the transmission roller to rotate; the transmission rollers can stretch out and draw back in the radial direction of the outer arc bearing table to drive the outer arc bearing table to be close to or away from the inner arc bearing table so as to adjust the width of the conveying channel in the radial direction of the outer arc bearing table. By means of the telescopic mechanism of the conveyor, the conveying channel can be accurately matched with glass plates of different sizes, it is guaranteed that each piece of glass can be properly supported and conveyed, and flexibility is high.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of material conveying, and in particular to a conveyor and a conveying system. BACKGROUND

[0002] The turning drum conveyor is suitable for production lines in various industries, and can efficiently convey materials from one process to another or between different production lines, significantly reducing the labor intensity of material transfer and greatly improving production efficiency.

[0003] The existing turning drum conveyor usually has a fixed-size conveying channel, which has obvious limitations when handling glass plates of different sizes. When a large-size conveyor is used to transport small-size glass plates, the effective working area of the conveyor is not fully utilized, resulting in waste of energy and space resources. In order to adapt to glass plates of different sizes, enterprises need to purchase multiple turning drum conveyors of different specifications, increasing equipment procurement and maintenance costs. Although large turning drum conveyors can adapt to glass plates of multiple sizes, they occupy a large area, limiting the space utilization of the production site.

[0004] Therefore, how to provide a conveyor and a conveying system capable of adjusting the conveying channel according to the size of the glass is a problem that needs to be solved at present. SUMMARY

[0005] To solve the above technical problems, the present disclosure provides a conveyor, comprising: a rack comprising an outer arc bearing table and an inner arc bearing table arranged coaxially; a plurality of transmission rollers, each transmission roller being arranged along the radial direction of the outer arc bearing table so that the plurality of transmission rollers collectively form a conveying channel for conveying a to-be-conveyed member, and the two ends of each transmission roller are movably connected to the outer arc bearing table and the inner arc bearing table, respectively; and a transmission assembly for driving the transmission rollers to rotate; wherein the transmission rollers are telescopic along the radial direction of the outer arc bearing table to drive the outer arc bearing table to move closer to or farther away from the inner arc bearing table, so as to adjust the width of the conveying channel along the radial direction of the outer arc bearing table.

[0006] In some embodiments, each transmission roller comprises a plurality of transmission segments, and the plurality of transmission segments are slidably connected to each other, so that the transmission roller is telescopic along the radial direction of the outer arc bearing table.

[0007] In some embodiments, at least one end of each transmission roller is provided with a hydraulic or pneumatic cylinder, so that the transmission roller is telescopic along the radial direction of the outer arc bearing table.

[0008] In some embodiments, the outer diameter of the transmission roller decreases in the direction from the outer arc bearing table to the inner arc bearing table.

[0009] In some embodiments, the conveyor further comprises a sleeve, which is detachably sleeved on the transmission roller, and the outer diameter of the sleeve decreases in the direction from the outer arc bearing table to the inner arc bearing table.

[0010] In some embodiments, the conveyor further comprises: a first sensor arranged on the frame, and a sensing end of the first sensor facing the conveying channel; and a controller connected to the first sensor and the transmission assembly, and capable of driving the transmission assembly based on material information obtained by the first sensor.

[0011] In some embodiments, the conveyor further comprises: a second sensor arranged on the transmission roller; and a controller connected to the second sensor, and capable of adjusting the running speed of the transmission assembly based on a pressure value obtained by the second sensor, to control the rotation speed of the transmission roller.

[0012] In some embodiments, the conveyor further comprises: a display screen for displaying working parameters of the transmission roller; and an alarm device connected to the controller, and capable of issuing an alarm signal based on an alarm instruction issued by the controller.

[0013] In some embodiments, the transmission assembly comprises: a steering motor for providing power; and a plurality of steering gears arranged along the outer arc of the outer arc bearing table and corresponding to the plurality of transmission rollers; wherein the plurality of steering gears are connected to the steering motor, and each steering gear is engaged with the transmission roller corresponding thereto.

[0014] The second aspect of the present application provides a conveying system, comprising: a frame comprising an outer arc bearing table and an inner arc bearing table arranged coaxially; a plurality of transmission rollers, each arranged along the radial direction of the outer arc bearing table to form a conveying channel for conveying a to-be-conveyed member, and the two ends of each transmission roller are movably connected to the outer arc bearing table and the inner arc bearing table, respectively; and a transmission assembly for driving the transmission rollers to rotate; wherein the transmission rollers can be extended or retracted along the radial direction of the outer arc bearing table to drive the outer arc bearing table to move closer to or farther away from the inner arc bearing table, so as to adjust the width of the conveying channel along the radial direction of the outer arc bearing table.

[0015] Through the above technical solutions, in the conveyor and the conveying system provided by the present application, each transmission roller is arranged along the radial direction of the outer arc bearing table, and the two ends thereof are movably connected to the outer arc bearing table and the inner arc bearing table, respectively. The transmission assembly is used to drive the transmission rollers to rotate, and the transmission rollers can be extended or retracted according to the specific size of the glass plate. This extension mechanism allows the conveying channel to accurately adapt to glass plates of different sizes, ensuring that each glass plate is properly supported and transported. Compared with the case of using a large-size conveyor to transport small-size glass plates, this design avoids the problem of insufficient utilization of the effective working area, reducing the waste of energy and space resources. In addition, enterprises do not need to purchase multiple conveyors of different specifications to adapt to glass plates of various sizes, reducing equipment procurement and maintenance costs, simplifying production line configuration, and improving management efficiency. The compact design also allows the conveyor to be retracted when not in use, reducing the floor area and further optimizing the space utilization of the production site. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0017] Figure 1 is a structural schematic view of a first angle of a conveyor disclosed by the embodiments of the present disclosure;

[0018] Figure 2 is a structural schematic view of a second angle of a conveyor disclosed by the embodiments of the present disclosure;

[0019] Figure 3 is a structural schematic view of another state of a conveyor disclosed by the embodiments of the present disclosure.

[0020] Explanation of reference signs:

[0021] 1, rack; 11, outer arc bearing table; 12, inner arc bearing table; 2, transmission roller; 3, transmission assembly; 31, steering motor; 32, steering gear; 4, conveying channel; 5, sleeve; 6, first sensor. DETAILED DESCRIPTION

[0022] The embodiments of the present disclosure will be further described in detail below with reference to the drawings and embodiments. The detailed description and drawings of the following embodiments are used to exemplarily illustrate the principles of the present disclosure, but cannot be used to limit the scope of the present disclosure, and the present disclosure can be implemented in many different forms, and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0023] The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully express the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary, and not as a limitation.

[0024] It should be noted that, in the description of the present disclosure, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like are only for facilitating the description of the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] In addition, "first", "second", and similar words used in the present disclosure do not represent any order, number or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0026] It should also be noted that in the description of the present disclosure, unless otherwise explicitly specified and limited, the terms "mount", "connect", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances. When it is described that a specific device is located between a first device and a second device, there can be or can not be an intermediate device between the specific device and the first device or the second device.

[0027] All terms used in the present disclosure have the same meaning as understood by those skilled in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless specifically defined here.

[0028] Techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but where appropriate, the techniques, methods and devices should be considered as part of the specification.

[0029] The inventors found that when the width of the conveyor is much larger than the size of the transported glass plate, a large amount of conveying surface is in idle state, not only increasing unnecessary energy consumption, but also occupying valuable production space. In order to adapt to different sizes of glass plates, enterprises usually need to purchase multiple conveyors of different specifications, which not only greatly increases the equipment procurement cost, but also brings higher maintenance and management cost. In addition, although large conveyors can adapt to a variety of sizes of glass plates to a certain extent, their large floor area limits the space utilization rate of the production site, affecting the flexibility and efficiency of the factory layout.

[0030] This disclosure provides a conveyor, including: a frame 1, which includes an outer arc support platform 11 and an inner arc support platform 12 coaxially arranged; a plurality of drive rollers 2, each drive roller 2 being arranged radially along the outer arc support platform 11 so that the plurality of drive rollers 2 together form a conveying channel 4 for conveying the workpiece to be conveyed, the two ends of the drive rollers 2 being movably connected to the outer arc support platform 11 and the inner arc support platform 12 respectively; and a transmission assembly 3 for driving the drive rollers 2 to rotate; wherein, the drive rollers 2 can extend and retract radially along the outer arc support platform 11 to drive the outer arc support platform 11 closer to or away from the inner arc support platform 12, so as to adjust the width of the conveying channel 4 radially along the outer arc support platform 11.

[0031] Specifically, such as Figures 1-2 As shown, both the outer arc support platform 11 and the inner arc support platform 12 are arc-shaped structures and arranged along the same central axis. The outer arc support platform 11 is located on the outside, and the inner arc support platform 12 is located on the inside, forming an annular space between them to accommodate the drive roller 2. Each drive roller 2 is arranged radially along the outer arc support platform 11, that is, extending from the outer arc support platform 11 to the inner arc support platform 12. Multiple drive rollers 2 are evenly distributed in the annular space, forming a conveying channel 4 for conveying the items to be conveyed. The items to be conveyed include, but are not limited to, glass plates. The two ends of the drive roller 2 are movably connected to the outer arc support platform 11 and the inner arc support platform 12, respectively, allowing the drive roller 2 to rotate freely relative to the outer arc support platform 11 and the inner arc support platform 12. This design allows the drive roller 2 to be adjusted in position as needed to accommodate items of different sizes to be conveyed. The extension and retraction of the drive roller 2 can be achieved by providing an extension mechanism (such as a helical spring, hydraulic cylinder, pneumatic cylinder, etc.) inside or outside the drive roller 2. The extension length of the conveyor rollers can be adjusted according to the size of the part to be conveyed, thereby changing the width of the conveying channel 4 in the radial direction along the outer arc bearing platform 11. For example... Figure 3 The diagram shown is a schematic of the working state of the transmission roller after its length has been reduced.

[0032] The transmission assembly 3 provides power to drive the transmission rollers 2 to rotate. The transmission assembly 3 may include: a steering motor 31 for providing power; and steering gears 32, with multiple steering gears 32 spaced apart along the outer arc of the outer arc support platform 11 and corresponding one-to-one with the multiple transmission rollers 2. Each steering gear 32 is connected to the steering motor 31 and meshes with its corresponding transmission roller 2. The steering motor 31 provides rotational power to the transmission rollers 2 and can be mounted on the frame 1 near the outer arc support platform 11. The steering motor 31 can be a servo motor, stepper motor, or AC motor, etc. The multiple steering gears 32 are spaced apart along the outer arc of the outer arc support platform 11 and correspond one-to-one with the multiple transmission rollers 2. Each steering gear 32 meshes with its corresponding transmission roller 2, ensuring that power is accurately transmitted to each transmission roller 2. The steering gears 32 can be evenly distributed on the outer arc support platform 11, and the size of the steering gears 32 can be set according to the size of the transmission rollers 2. Each steering gear 32 employs a precise gear meshing design with its corresponding drive roller 2, ensuring efficient and stable power transmission. The steering motor 31 is connected to multiple steering gears 32 via a transmission mechanism (such as a reduction gear set, chain drive, or belt drive). The steering motor 31 transmits power to the multiple steering gears 32 through the transmission mechanism. Because each steering gear 32 corresponds to and meshes with a drive roller 2, power is precisely distributed to each drive roller 2. Each steering gear 32 drives its corresponding drive roller 2 to rotate synchronously, ensuring smooth transport of the workpiece in the conveying channel 4.

[0033] The conveyor disclosed herein has each drive roller 2 arranged radially along the outer arc support platform 11, and its two ends are movably connected to the outer arc support platform 11 and the inner arc support platform 12, respectively. A transmission assembly 3 drives the drive roller 2 to rotate, and the drive roller 2 can extend and retract according to the specific size of the glass sheet. This extension and retraction mechanism allows the conveyor channel 4 to precisely adapt to glass sheets of different sizes, ensuring that each piece of glass receives appropriate support and transport. Compared to using large-size conveyors to transport small-size glass sheets, this design avoids the problem of underutilization of effective working area, reducing the waste of energy and space resources. Furthermore, companies do not need to purchase multiple conveyors of different specifications to adapt to various sizes of glass sheets, reducing equipment procurement and maintenance costs, simplifying production line configuration, and improving management efficiency. The compact design also allows the conveyor to retract when not in use, reducing the floor space occupied and further optimizing the space utilization of the production site.

[0034] In some embodiments, each drive roller 2 includes multiple drive segments, and the multiple drive segments are slidably connected to each other so that the drive roller 2 can extend and retract radially along the outer arc support platform 11.

[0035] Specifically, such as Figures 1-2As shown, each transmission roller 2 consists of multiple transmission segments, the number of which can be two or more, depending on the required adjustment range. Adjacent transmission segments are connected by a sliding connection, allowing them to freely extend and retract radially. The sliding connection can be achieved in various ways, such as: setting a linear guide rail on one transmission segment and installing a slider on another, allowing the slider to slide smoothly on the guide rail; or using a nested design between transmission segments, where one transmission segment can be inserted into another, achieving extension and retraction through the relative sliding of the inner and outer cylinders. The multi-segment transmission roller 2 structure provided in this embodiment, through the design of a sliding connection and a telescopic drive mechanism, achieves flexible extension and retraction of the transmission roller 2 along the radial direction of the outer arc support platform 11. Furthermore, during the extension and retraction process, no external drive component is required to drive the extension and retraction of the transmission roller 2; only a force applied along the radial direction of the outer arc support platform 11 is needed to lengthen or shorten the transmission roller 2, facilitating operation.

[0036] In some embodiments, each drive roller 2 is provided with a hydraulic or pneumatic cylinder at at least one end, so that the drive roller 2 can extend and retract radially along the outer arc support platform 11.

[0037] Specifically, such as Figures 1-2 As shown, each drive roller 2 is equipped with a hydraulic or pneumatic cylinder at one end or both ends. The hydraulic or pneumatic cylinder is fixed on the outer arc support platform 11 or the inner arc support platform 12, and the piston rod is connected to the drive roller 2. The piston rod is pushed by the pressure of hydraulic oil or compressed air, causing the drive roller 2 to extend and retract radially along the outer arc support platform 11. This method can provide a large extension and retraction range, and has a fast response speed and high control precision.

[0038] In some embodiments, the outer diameter of the transmission roller 2 decreases along the direction from the outer arc bearing platform 11 to the inner arc bearing platform 12.

[0039] Specifically, such as Figures 1-2 As shown, due to the arc-shaped space between the outer arc support platform 11 and the inner arc support platform 12, the gaps between the drive rollers 2 near the outer arc support platform 11 are larger, while the gaps between the drive rollers 2 near the inner arc support platform 12 are smaller, resulting in uneven distribution of support force. The decreasing outer diameter design, by gradually reducing the outer diameter, makes the gaps between each drive roller 2 more uniform, thereby ensuring that the parts to be conveyed are uniformly supported throughout the entire conveying channel 4, and avoiding shaking or slippage caused by uneven gaps, thus improving the stability and accuracy of the transmission process.

[0040] In some embodiments, the device further includes a sleeve 5, which is detachably sleeved on the transmission roller 2, and the outer diameter of the sleeve 5 decreases along the direction from the outer arc bearing platform 11 to the inner arc bearing platform 12.

[0041] Specifically, such as Figures 1-2As shown, the sleeve 5 is designed to be detachable, which facilitates quick replacement according to actual needs. The sleeve 5 can be fixed on the transmission roller 2 through connection methods such as threads, buckles, locking rings, etc., to ensure that it will not loosen during work. The outer diameter of the sleeve 5 decreases along the direction from the outer arc bearing table 11 to the inner arc bearing table 12, making the gap between each transmission roller 2 more uniform, ensuring that the to-be-conveyed piece can be uniformly supported on the entire conveying channel 4. By replacing sleeves 5 of different outer diameters, the size of the gap between the two transmission rollers 2 can be accurately adjusted to prevent the problem of too large or too small gap caused by stretching and contracting. This not only improves the stability of material transmission, but also reduces the edge effect, ensuring high-quality product output.

[0042] In some embodiments, the conveyor further comprises: a first sensor 6 arranged on the rack 1, and the sensing end of the first sensor 6 faces the conveying channel 4; a controller signal connected with the first sensor 6 and the transmission assembly 3 respectively, which can drive the transmission assembly 3 based on the material information obtained by the first sensor 6.

[0043] Specifically, as shown in Figures 1-2 The first sensor 6 can be arranged on the rack 1 and can be located at the entrance of the conveying channel 4 or distributed along the conveying path to monitor the size, shape and position of the to-be-conveyed piece in real time. The first sensor 6 can be a photoelectric first sensor 6, a laser ranging first sensor 6, etc. The controller receives data from the sensor and processes and analyzes it to determine whether there is to-be-conveyed material in the conveying channel 4. One first sensor 6 can be arranged at the head and tail of the conveying channel 4. When the first sensor 6 at the head end senses the to-be-conveyed material, the transmission assembly 3 can be started by the controller to make the transmission roller 2 rotate. When the first sensor 6 at the tail end does not sense the to-be-conveyed material within a preset time, the transmission roller 2 can be turned off by the controller. The conveyor only starts the transmission assembly 3 when it detects to-be-conveyed material, avoiding unnecessary idling and reducing energy waste. When there is no to-be-conveyed material, the controller will turn off the transmission roller 2 in time, further saving energy and reducing operating costs.

[0044] In some embodiments, the conveyor further comprises: a second sensor arranged on the transmission roller 2; and a controller signal connected with the second sensor, which can adjust the running speed of the transmission assembly 3 based on the pressure value obtained by the second sensor to control the rotation speed of the transmission roller 2.

[0045] Specifically, as shown in Figures 1-2As shown, a second sensor can be arranged on the transmission roller 2 to monitor the load on the transmission roller 2 in real time. The controller is signal connected with the second sensor and can adjust the running speed of the transmission assembly 3 based on the pressure value obtained by the second sensor to control the rotating speed of the transmission roller 2. The controller can adjust the transmission speed according to the specific weight of the to-be-transported piece. When the to-be-transported piece is heavy and large in size, the controller can control the rotating speed of the transmission roller 2 to decrease, and when the to-be-transported piece is light and small in size, the controller can control the rotating speed of the transmission roller 2 to increase. The rotating speed of the transmission roller 2 is dynamically adjusted according to the actual load condition, which improves the transmission efficiency, reduces unnecessary energy consumption, and reduces the operating cost.

[0046] In some embodiments, the conveyor further comprises a display screen for displaying the working parameters of the transmission roller 2, and an alarm device signal connected with the controller and capable of issuing an alarm signal based on the alarm instruction issued by the controller.

[0047] Specifically, as shown in the figure, Figures 1-2 The display screen is used to display the working parameters of the transmission roller 2, such as the rotating speed and the load condition. The alarm device is signal connected with the controller and can issue an alarm signal based on the alarm instruction issued by the controller. The alarm device can be an audible and visual alarm device to ensure that it can attract attention in a noisy environment. The alarm device can include a buzzer and an LED indicator light, and different colors of LED lights are used to represent different alarm levels, such as green for normal, yellow for warning, and red for emergency. The triggering conditions of the alarm can be: when the second sensor detects that the load exceeds the preset threshold, the controller will issue an alarm instruction, and the alarm device will start immediately; when the rotating speed of the transmission roller 2 exceeds the set range (too high or too low), the controller will trigger the alarm; if a sensor loses response or data is abnormal, the controller will issue an alarm instruction, etc. In addition, in order to prevent the to-be-transported piece from slipping on the transmission roller 2, an anti-slip rubber layer can be arranged on the outer surface of the conveying roller. The conveyor is equipped with a high-precision line speed meter to accurately display the speed.

[0048] The second aspect of the present application provides a conveying system, comprising: a rack 1 comprising an outer arc bearing table 11 and an inner arc bearing table 12 arranged coaxially; a plurality of transmission rollers 2, each transmission roller 2 being arranged along the radial direction of the outer arc bearing table 11 to form a conveying channel 4 for conveying a to-be-transported piece together with the plurality of transmission rollers 2, and the two ends of each transmission roller 2 being movably connected with the outer arc bearing table 11 and the inner arc bearing table 12, respectively; and a transmission assembly 3 for driving the transmission roller 2 to rotate; wherein the transmission roller 2 can be extended or retracted along the radial direction of the outer arc bearing table 11 to drive the outer arc bearing table 11 to move closer to or farther away from the inner arc bearing table 12, so as to adjust the width of the conveying channel 4 along the radial direction of the outer arc bearing table 11.

[0049] Specifically, as shown in the figure, Figures 1-2As shown, the conveying system provided by the application can be applied to production lines of types including but not limited to glass processing, material conveying, etc., and the number of conveyors in the conveying system can be set according to actual needs, such as 1, 2, or 5, etc. In the conveying system provided by the present disclosure, each transmission roller 2 is arranged along the radial direction of the outer arc bearing table 11 and movably connected with the outer arc bearing table 11 and the inner arc bearing table 12 at both ends. The transmission assembly 3 is used to drive the transmission roller 2 to rotate, and the transmission roller 2 can be stretched and contracted according to the specific size of the glass plate. This stretching and contracting mechanism enables the conveying channel 4 to accurately adapt to glass plates of different sizes, ensuring that each glass plate can be properly supported and transmitted. Compared with the case of using a large-size conveyor to transport a small-size glass plate, this design avoids the problem of insufficient utilization of the effective working area, reduces the waste of energy and space resources. In addition, the enterprise does not need to purchase multiple conveyors of different specifications to adapt to glass plates of various sizes, which reduces the equipment procurement and maintenance costs, simplifies the production line configuration, and improves the management efficiency. The compact design also enables the conveyor to be retracted when not in use, reducing the floor area and further optimizing the space utilization of the production site.

[0050] So far, the embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0051] Although some specific embodiments of the present disclosure have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present disclosure. Those skilled in the art should understand that the above embodiments can be modified or some technical features can be replaced equivalently without departing from the scope and spirit of the present disclosure. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way.

Claims

1. A conveyor characterized by, Comprising: a rack (1) comprising coaxially arranged outer arc bearing platform (11) and inner arc bearing platform (12); a plurality of transmission rollers (2), each of the transmission rollers (2) is arranged along the radial direction of the outer arc bearing platform (11) to form a conveying channel (4) for conveying the conveying parts, the two ends of the transmission roller (2) are respectively connected with the outer arc bearing platform (11) and the inner arc bearing platform (12); and a transmission assembly (3) for driving the transmission roller (2) to rotate; Wherein, the transmission roller (2) can be telescoped along the radial direction of the outer arc bearing platform (11) to drive the outer arc bearing platform (11) to approach or away from the inner arc bearing platform (12), so as to adjust the width of the conveying channel (4) along the radial direction of the outer arc bearing platform (11).

2. The conveying machine according to claim 1, wherein Each of the transmission rollers (2) comprises a plurality of transmission segments, and the transmission segments are slidably connected, so that the transmission roller (2) can be telescoped along the radial direction of the outer arc bearing platform (11).

3. The conveying machine according to claim 1, wherein At least one end of each of the transmission rollers (2) is provided with a hydraulic or pneumatic cylinder, so that the transmission roller (2) can be telescoped along the radial direction of the outer arc bearing platform (11).

4. The conveying machine according to claim 1, wherein The outer diameter of the transmission roller (2) decreases along the direction from the outer arc bearing platform (11) to the inner arc bearing platform (12).

5. The conveyor of claim 1, wherein, Further comprising: a sleeve (5) which is detachably sleeved on the transmission roller (2), and the outer diameter of the sleeve (5) decreases along the direction from the outer arc bearing platform (11) to the inner arc bearing platform (12).

6. The conveyor of claim 1, wherein, Further comprising: a first sensor (6) arranged on the rack (1), and the sensing end of the first sensor (6) faces the conveying channel (4); a controller which is signal connected with the first sensor (6) and the transmission assembly (3), and can drive the transmission assembly (3) based on the material information obtained by the first sensor (6).

7. The conveyor of claim 6, wherein, Further comprising: a second sensor arranged on the transmission roller (2); a controller which is signal connected with the second sensor, and can adjust the running speed of the transmission assembly (3) based on the pressure value obtained by the second sensor, so as to control the rotating speed of the transmission roller (2).

8. The conveyor of claim 6, wherein, Further comprising: a display screen for displaying the working parameters of the transmission roller (2); an alarm device which is signal connected with the controller, and can send alarm signal based on the alarm instruction sent by the controller.

9. The conveyor of claim 1, wherein, The transmission assembly (3) comprises: a steering motor (31) for providing power; a plurality of steering gears (32) which are arranged along the outer arc of the outer arc bearing platform (11) and correspond to the plurality of transmission rollers (2) one by one; Wherein, the plurality of steering gears (32) are connected with the steering motor (31), and each steering gear (32) is engaged with the transmission roller (2) corresponding thereto.

10. A delivery system characterized by, Comprising: a rack (1) comprising coaxially arranged outer arc bearing platform (11) and inner arc bearing platform (12); a plurality of transmission rollers (2), each of the transmission rollers (2) is arranged along a radial direction of the outer-arc bearing table (11) to jointly form a conveying channel (4) for conveying a conveying object, two ends of each of the transmission rollers (2) are movably connected with the outer-arc bearing table (11) and the inner-arc bearing table (12) respectively; and a transmission assembly (3) configured to drive the transmission rollers (2) to rotate; wherein the transmission rollers (2) are retractable along the radial direction of the outer-arc bearing table (11) to drive the outer-arc bearing table (11) to move closer to or farther away from the inner-arc bearing table (12) to adjust a width of the conveying channel (4) along the radial direction of the outer-arc bearing table (11).

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