License plate discharging matching mechanism and license plate production system

Abstract

The utility model relates to the technical field of license plate production, in particular to a license plate discharging matching mechanism and a license plate production system. The conveying channel is provided with a discharge hole; the two limiting units are arranged on the two sides of the discharging opening correspondingly. When the license plate in the conveying channel moves to the discharging port, the two limiting units can block the edges of the two sides of the license plate, and a gap is formed between the two limiting units and is matched with the grabbing device. According to the utility model, through the arrangement of the discharge port and the two limiting units, a plurality of overlapped license plates can be limited, so that only one single license plate at the discharge port can be taken out by the grabbing device every time, and therefore, the license plates are automatically output to the next processing procedure one by one without manual cooperation, and the production efficiency is improved. The efficiency of the whole process is improved, and meanwhile, the cost for long-term operation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of license plate production, in particular to a license plate discharging matching mechanism and a license plate production system. Background Art

[0002] The license plate is the "identity card" of the vehicle and an important piece of information that distinguishes it from other motor vehicles. With the development of the economy, the number of vehicles per capita has increased rapidly, and accordingly, the demand for license plates has also increased rapidly.

[0003] During the processing of the license plate, the license plate that has been processed into a plate can be transported to a preset workstation, and when the subsequent processing step is required, the license plate at the preset workstation can be grabbed by a grabbing device to realize the loading of the subsequent processing step.

[0004] However, the previous processing step and the next processing step are not necessarily continuous processing. Therefore, the license plates produced by the previous processing step sometimes need to be stacked and stored uniformly, and when the next processing step is required, the multiple stacked license plates need to be transported uniformly, and the grabbing device needs to grab the individual license plates moved to the preset workstation one by one to realize the loading of the next processing step.

[0005] At this time, it is difficult to use a grasping device to grasp multiple stacked license plates one by one, and manual cooperation is required to take out the license plates and place them on the preset workstations. The whole process is inefficient and the labor cost for long-term operations is high. Utility Model Content

[0006] The utility model discloses a license plate discharging and matching mechanism and a license plate production system, so as to solve the technical problem in the related art that it is difficult to grab a single license plate one by one from a plurality of license plates stacked together, and manual cooperation is required.

[0007] In order to solve the above problems, the technical solution adopted by the utility model is:

[0008] In a first aspect, the utility model provides a license plate discharging matching mechanism, including a conveying channel and a limiting unit;

[0009] The front end of the conveying channel is provided with a discharge port;

[0010] The two limiting units are respectively arranged on both sides of the discharge port;

[0011] When the license plate in the conveying channel moves to the discharge port, the two limiting units can block the two side edges of the license plate, and there is a gap between the two limiting units, and the gap is adapted to the grabbing device.

[0012] As an optional solution of the present invention, the limiting unit includes a blocking member having a curved surface, the curved surface is used to contact the edge of the license plate, and the angle between the tangent of the curved surface and the conveying channel continuously decreases along the conveying direction of the conveying channel.

[0013] As an optional solution of the present utility model, the blocking member is a cylindrical structure, and a part of the circumferential surface of the blocking member serves as the arc surface;

[0014] The limiting unit further comprises a limiting seat, the limiting seat is connected to the conveying channel, and the limiting seat is rotatably connected to the blocking member around the axis of the blocking member.

[0015] As an optional solution of the utility model, the limit seat includes a seat body, a first connecting member and a second connecting member, and the first connecting member and the second connecting member are rotatably connected to two ends of the blocking member respectively;

[0016] The seat body is rotatably connected to the first connecting member, the seat body is provided with an arc-shaped slideway, the second connecting member is slidably connected to the seat body via the arc-shaped slideway, and the second connecting member is used to adjust the inclination angle of the blocking member.

[0017] As an optional solution of the present invention, the conveying channel includes a baffle, and the two baffles are respectively located on both sides of the conveying channel. A guide unit is provided at one end of the baffle close to the discharge port, and the guide unit is used to guide the two side edges of the license plate to contact the curved surface.

[0018] As an optional solution of the utility model, the guide unit includes a support member and a guide sheet, the support member is arranged between the guide sheet and the baffle, one end of the guide sheet is fixed to the baffle, and the other end is tilted under the support of the support member;

[0019] The distance between the guide blades on the two baffles decreases continuously or discontinuously along the conveying direction of the conveying channel.

[0020] As an optional solution of the present invention, the conveying channel also includes a bottom plate, at least one of the baffles is provided with a first elongated hole, the length direction of the first elongated hole is perpendicular to the conveying direction of the conveying channel, and the first elongated hole is connected to the bottom plate by screws.

[0021] As an optional solution of the present invention, the conveying channel includes a bottom plate, at least one of the limiting units is provided with a second elongated hole, the length direction of the second elongated hole is perpendicular to the conveying direction of the conveying channel, and the second elongated hole is connected to the bottom plate by screws.

[0022] As an optional solution of the present utility model, abutment is provided at the rear end of the conveying channel, and the abutment is used to support the rear side of the license plate in the conveying channel;

[0023] And / or, the conveying channel is arranged obliquely, and the discharge port is located at the bottom of the conveying channel.

[0024] In a second aspect, the utility model provides a license plate production system, comprising a license plate discharging and matching mechanism as described in any of the above schemes.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0026] 1. The utility model provides a license plate discharging coordination mechanism, which can limit multiple overlapping license plates through the arrangement of a discharging port and two limit units, so that only a single license plate at the discharging port can be taken out by the grabbing device each time, thereby automatically outputting the license plates one by one to the next processing step without manual coordination, thereby improving the efficiency of the entire process and reducing the cost spent on long-term operations.

[0027] 2. The utility model provides a license plate production system, which can improve the degree of automation of license plate production and processing, reduce manual participation, and improve the production efficiency of the entire production system by setting a license plate discharging coordination mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is an overall schematic diagram of the cooperation between the first embodiment of the utility model and the license plate.

[0029] Figure 2 This is an overall top view schematic diagram of the first embodiment of the utility model in cooperation with a license plate.

[0030] Figure 3 for Figure 2 Schematic diagram at point A in the middle.

[0031] Figure 4 for Figure 3 Schematic diagram at point B in the middle.

[0032] Figure 5 This is an overall schematic diagram of Embodiment 1 of the utility model without being matched with a license plate.

[0033] Figure 6 for Figure 5 One of the schematic diagrams at center C.

[0034] Figure 7 for Figure 5 Another schematic diagram at point C in the middle.

[0035] Figure 8 for Figure 5 Schematic diagram at point D in the middle.

[0036] Markings in the figure: 1-conveying channel; 11-discharging port; 12-baffle; 121-first long hole; 13-bottom plate; 2-limiting unit; 21-blocking member; 211-arc surface; 22-base; 221-arc slide; 222-second long hole; 23-first connecting member; 24-second connecting member; 3-guide unit; 31-guide plate; 32-support member; 4-license plate. DETAILED DESCRIPTION

[0037] The utility model is described in detail below in conjunction with the accompanying drawings.

[0038] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0039] Throughout the specification, references to "one or more embodiments," "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one or more embodiments," "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any appropriate combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0040] In the description of the embodiments, "several", "plurality" and "multiple" represent at least 2. It can be any number such as two, three, four, five, six, seven, eight, nine, or even more than nine.

[0041] The expressions “first”, “second”, “third”, etc. in the terms are merely used to distinguish the description of the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.

[0042] It should be noted that the license plate mentioned in the embodiment may be a finished product or a semi-finished product that has been processed into a plate.

[0043] Example 1

[0044] The utility model provides a license plate discharging matching mechanism, such as Figures 1 to 8 As shown, it includes a conveying channel 1 and a limiting unit 2; wherein, the front end of the conveying channel 1 has a discharge port 11 corresponding to the preset workstation position, and the overlapping license plates 4 can be uniformly conveyed in the conveying channel 1 toward the discharge port 11; two limiting units 2 are respectively arranged on both sides of the discharge port 11, and the gap width between the two limiting units 2 is smaller than the width of the conveying channel 1; when the license plate 4 at the front in the conveying channel 1 moves to the discharge port 11, the two limiting units 2 can abut against the two side edges of the license plate 4 to block the two side edges of the license plate 4; and the gap between the two limiting units 2 is adapted to the grasping device, and the grasping device can extend between the two limiting units 2 and grasp the license plate 4.

[0045] At this time, if Figure 1 As shown, the middle part between the two side edges of the license plate 4 at the front is exposed to the gap between the two limit units 2, and the grabbing device can grab the middle part of the license plate 4 and apply a forward external force to the middle part of the license plate 4. At this time, the middle part of the license plate 4 is subjected to a forward external force, and the two side edges are subjected to a backward blocking force, causing the license plate 4 to bend and deform with a certain arc. At this time, the distance between the two side edges of the license plate 4 is reduced, so that the license plate 4 can pass between the two limit units 2 and then be taken out by the grabbing device; and, except for the license plate 4 at the front, other license plates 4 are difficult to produce the required deformation because they are not subjected to the external force applied by the grabbing device, and therefore, it is difficult to pass between the two limit units 2. After the previous license plate 4 moves to the discharge port 11 and is taken out by the grabbing device, the overlapping license plates 4 can continue to move toward the discharge port 11, so that the next license plate 4 moves to the discharge port 11.

[0046] Therefore, through the setting of the discharge port 11 and the two limit units 2, multiple overlapping license plates 4 can be restricted so that each time only a single license plate 4 at the discharge port 11 (i.e., the preset workstation) can be taken out by the grasping device, thereby automatically outputting the license plates 4 to the next processing step one by one without manual cooperation, thereby improving the efficiency of the entire process and reducing the cost incurred in long-term operations.

[0047] Those skilled in the art should know that the grabbing device can grab the middle part of the license plate 4 by clamping, magnetic attraction or negative pressure adsorption, which will not be elaborated here.

[0048] In one or more embodiments, the surface of the limiting unit 2 in contact with the license plate 4 is defined as a contact surface. The contact surface is located on the forward path of the license plate 4 and blocks the license plate 4. The contact surface may be a plane or an arc surface 211.

[0049] Based on the scheme that the contact surface is an arc surface 211, specifically, the limiting unit 2 may include a blocking member 21, the blocking member 21 has an arc surface 211 for contacting the edge of the license plate 4, and the angle between the tangent of the arc surface 211 and the conveying channel 1 decreases continuously along the conveying direction of the conveying channel 1, such as Figure 4 As shown, in one example, the arc surface 211 ( Figure 4 The angle between the surface of the middle blocking member 21 (part of the surface located between the two dotted lines) and the forward path of the license plate 4 gradually changes from nearly 90° to 0° along the conveying direction of the conveying channel 1.

[0050] At this time, the curved surface 211 is difficult to come into close contact with the edge of the license plate 4 at the front. When the license plate 4 at the front is grasped by the grasping device and is bent and deformed with a certain arc, there is space between the curved surface 211 and the license plate 4 at the front for the license plate 4 to bend and deform, ensuring that the edge of the license plate 4 can be properly deformed along with the license plate 4 as a whole, avoiding excessive obstruction to the deformation of the edge of the license plate 4 at the front due to the clamping of the edge of the license plate 4 at the front by the curved surface 211 and the following license plate 4, ultimately causing plastic deformation such as curling of the edge of the license plate 4 at the front after being taken out, causing adverse effects on the quality of the license plate 4.

[0051] The blocking member 21 may be a special-shaped structure, with only the surface portion of the blocking member 21 that contacts the license plate 4 being the arc surface 211 ; or it may be a cylindrical structure, with the surface portion of the circumferential surface of the blocking member 21 that contacts the license plate 4 being the arc surface 211 .

[0052] Based on the solution that the blocking member 21 is a cylindrical structure, specifically, as Figures 2 to 4 As shown, the blocking members 21 of the two limiting units 2 are parallel to each other, the spacing between the axes of the two blocking members 21 is equal to or greater than the spacing of the license plates 4, and the shortest spacing between the circumferential surfaces of the two blocking members 21 is smaller than the spacing of the license plates 4. When the two side edges of the license plate 4 abut against the two blocking members 21 at appropriate positions, the two sides of the license plate 4 naturally contact the arcuate surfaces 211 on the blocking members 21; and the blocking member 21 with a cylindrical structure is easier to process.

[0053] The blocking member 21 may be fixedly disposed relative to the conveying channel 1 , or may be rotatably disposed relative to the conveying channel 1 .

[0054] Based on the solution that the blocking member 21 is rotatably arranged relative to the conveying passage 1, specifically, the limiting unit 2 further includes a limiting seat, which is connected to the conveying passage 1, and the limiting seat is rotatably connected to the blocking member 21 around the axis of the blocking member 21. At this time, the arc surface 211 is no longer a partial circumferential surface located at a fixed position on the blocking member 21, but a partial circumferential surface rotated to a region located on the forward path of the license plate 4. At this time, during the process of taking the license plate 4 out from between the blocking members 21, the friction between the license plate 4 and the blocking member 21 is rolling friction, which reduces the friction between the license plate 4 and the blocking member 21, thereby reducing the wear on the edge of the license plate 4, and at the same time facilitates the removal of the license plate 4.

[0055] In one or more embodiments, considering that the license plate 4 at the front will abut against the blocking member 21 when not taken out, the inclination angle of the license plate 4 at the front is adapted to the inclination angle of the blocking member 21, and in order to ensure that the license plate 4 at the front can correspond to the preset work position at an appropriate inclination angle, the inclination angle of the blocking member 21 can be made adjustable, so that the inclination angle of the license plate 4 abutting against the blocking member 21 is adjusted synchronously with the adjustment of the inclination angle of the blocking member 21.

[0056] Specifically, if Figure 7 As shown, the limiting seat can include a seat body 22, a first connecting member 23 and a second connecting member 24, wherein the first connecting member 23 and the second connecting member 24 are rotatably connected to the two ends of the blocking member 21 respectively; the seat body 22 is rotatably connected to the first connecting member 23, wherein the rotation axis of the first connecting member 23 is perpendicular to the axis of the blocking member 21 and the conveying direction of the conveying channel 1 at the same time; the seat body 22 is provided with an arc slide 221, and the second connecting member 24 is slidably connected to the seat body 22 through the arc slide 221, and the sliding of the second connecting member 24 can adjust the inclination angle of the blocking member 21, and then adjust the inclination angle of the license plate 4 abutting against the blocking member 21, so as to facilitate the grasping of the grasping device. After the sliding of the second connecting member 24 is completed, the second connecting member 24 and the seat body 22 can be fastened by bolts.

[0057] It is understandable that when the license plate 4 at the front is in contact with the blocking member 21 and can correspond to the preset position at an appropriate tilt angle, Figure 6 As shown, the first connecting member 23 and the second connecting member 24 are fixedly connected to the seat body 22 .

[0058] Among them, after testing, when the contact surface is an arc surface 211, it is preferred to make the limiting unit 2 penetrate into the edge of the license plate 4 2-3 mm inward. At this time, the license plate 4 can be effectively blocked by the limiting unit 2, and the bending deformation of the license plate 4 is within the range of elastic deformation when the grabbing device takes out the license plate 4. After the license plate 4 is taken out, it can reset itself from the bending deformation.

[0059] In one or more embodiments, a bottom plate 13 is usually provided at the bottom of the conveying channel 1, and baffles 12 are usually provided on both sides of the conveying channel 1. The two baffles 12 are connected to the bottom plate 13, so that the two ends of the length direction of the license plate 4 located in the conveying channel 1 are close to or abut against the baffles 12 on both sides, and the spacing between the two baffles 12 can be adapted to the length of the license plate 4, so that the two ends of the length direction of the license plate 4 abut against the baffles 12 on both sides, and the forward direction of the license plate 4 can be limited by the two baffles 12 to avoid the deviation of the license plate 4 when moving forward, and ensure that the two side edges of the license plate 4 moved to the discharge port 11 can contact the curved surfaces 211 of the two limiting units 2; the spacing between the two baffles 12 can also be greater than the length of the license plate 4, thereby reducing the wear between the two side edges of the license plate 4 and the two baffles 12 during the forward process.

[0060] Based on the solution that the distance between the two baffles 12 is greater than the length of the license plate 4, in one or more embodiments, as Figure 2 As shown, a guide unit 3 can be provided at one end of the baffle 12 close to the discharge port 11, and the two side edges of the license plate 4 moved to the discharge port 11 are guided by the guide unit 3 to align and contact with the arc surface 211, thereby reducing the wear between the license plate 4 and the baffle 12 when it has not moved to the discharge port 11.

[0061] The guide unit 3 may be an integrated structure with an inclined surface, or a combined structure composed of multiple components.

[0062] Based on the solution that the guide unit 3 is a combined structure composed of multiple components, in one or more embodiments, Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, the guide unit 3 includes a support member 32 and a guide piece 31. The support member 32 is arranged between the guide piece 31 and the baffle 12. One end of the guide piece 31 is fixed on the baffle 12, and the other end is deformed to a certain extent under the support of the support member 32, and tilts to a certain angle toward the inner side of the conveying channel 1, thereby forming an inclined surface for guiding the license plate 4 to move forward between the two ends of the guide piece 31; the spacing between the guide pieces 31 on the two baffles 12 is continuously or discontinuously reduced along the conveying direction of the conveying channel 1, thereby guiding the license plate 4 to the position at the discharge port 11 through the setting of the guide piece 31, ensuring that the two side edges of the license plate 4 can cooperate with the arc surface 211 of the corresponding side blocking member 21. The continuous reduction means that the guide pieces 31 on the two baffles 12 are always inclined in the direction of approaching each other, and the discontinuous reduction means that in addition to the partial surfaces inclined in the direction of approaching each other, there are also partial surfaces parallel to each other in the guide pieces 31 on the two baffles 12, and at this time, the spacing between the partial surfaces of the guide pieces 31 on the two baffles 12 remains unchanged.

[0063] The support member 32 may be a fixed member fixed on the baffle 12, or a movable member clamped between the guide piece 31 and the baffle 12. Based on the solution that the support member 32 is a movable member clamped between the guide piece 31 and the baffle 12, the inclination angle of the guide piece 31 can be adjusted by changing the support height of the support member 32, and then the spacing between the two guide pieces 31 can be fine-tuned to ensure the coordination of the guide piece 31 with the license plate 4 and / or the arc surface 211. The method for changing the support height of the support member 32 can be to increase or decrease the number of the support members 32 clamped between the guide piece 31 and the baffle 12, and / or increase or decrease the thickness of the support member 32.

[0064] In one or more embodiments, the connection between the bottom plate 13 and the two baffles 12 may be a fixed connection or a movable connection.

[0065] Since the lengths of license plates 4 of different batches may be different, in order to guide license plates 4 of different lengths, such as Figure 8 As shown, a first long hole 121 can be provided at the bottom of one or two baffles 12, wherein each baffle 12 is provided with at least two first long holes 121, the length direction of the first long hole 121 is perpendicular to the conveying direction of the conveying channel 1, and the first long hole 121 is connected to the bottom plate 13 by screws. By providing the first long hole 121, the spacing between the baffle 12 and the guide unit 3 can be adjusted, thereby ensuring that the baffle 12 and the guide unit 3 thereon can cooperate with license plates 4 of different lengths.

[0066] Similarly, if Figure 3 As shown, a first elongated hole 121 may be provided at the bottom of the seat body 22 of one or two limiting units 2, wherein each seat body 22 is provided with at least two second elongated holes 222, the length direction of the second elongated holes 222 is perpendicular to the conveying direction of the conveying channel 1, and the second elongated holes 222 are connected to the bottom plate 13 by screws. By providing the second elongated holes 222, the spacing of the limiting units 2 can be limited, thereby ensuring that the limiting units 2 and the arc-shaped surface 211 can cooperate with license plates 4 of different lengths.

[0067] In order to prevent the license plate 4 in the conveying channel 1 from tipping backwards during the conveying process, in one or more embodiments, an abutment member may be provided at the rear end of the conveying channel 1, wherein the abutment member can move forward synchronously with the forward movement of the license plate 4 under the drive of a driving device or gravity, and the rear side of the license plate 4 at the rearmost in the conveying channel 1 is supported by the abutment member to prevent the license plate 4 from tipping backwards; in addition, the conveying channel 1 may also be tilted, in which case the discharge port 11 is located at the bottom of the conveying channel 1, so that the overlapping license plates 4 in the conveying channel 1 naturally abut together under the influence of gravity and abut against the blocking member 21, and in this case, the license plate 4 at the rearmost in the conveying channel 1 is difficult to tip over.

[0068] By arranging an abutment at the rear end of the conveying channel 1 and / or tilting the conveying channel 1, it is possible to prevent the license plate 4 in the conveying channel 1 from tipping over during the forward movement, thereby preventing the license plate 4 from being unable to abut against the blocking members 21 on both sides of the discharge port 11, and preventing the grabbing device from being able to grab the tipped license plate 4.

[0069] Example 2

[0070] The utility model also provides a license plate production system, comprising any one of the license plate discharging and matching mechanisms mentioned in the first embodiment.

[0071] The license plate production system is used to produce and process the license plate 4 until the finished product is produced. By setting up a license plate discharge coordination mechanism in the system, the degree of automation of the production and processing of the license plate 4 can be improved, manual participation can be reduced, and the production efficiency of the entire production system can be improved.

[0072] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A license plate discharging mechanism, characterized in that: It comprises a conveying channel (1) and a limiting unit (2); The front end of the conveying channel (1) is provided with a discharge port (11); The two limiting units (2) are respectively arranged on both sides of the discharge port (11); When the license plate (4) in the conveying channel (1) moves to the discharge port (11), the two limiting units (2) can block the two side edges of the license plate (4), and there is a gap between the two limiting units (2), and the gap is suitable for a gripping device.

2. A license plate discharging mechanism according to claim 1, characterized in that: The limiting unit (2) comprises a blocking member (21), the blocking member (21) having a curved surface (211), the curved surface (211) being used to contact the edge of the license plate (4), and the angle between the tangent of the curved surface (211) and the conveying channel (1) continuously decreases along the conveying direction of the conveying channel (1).

3. A license plate discharging mechanism according to claim 2, characterized in that: The blocking member (21) is a cylindrical structure, and a portion of the circumferential surface of the blocking member (21) serves as the arc surface (211); The limiting unit (2) further comprises a limiting seat, the limiting seat being connected to the conveying channel (1), and the limiting seat being rotatably connected to the blocking member (21) around the axis of the blocking member (21).

4. A license plate discharging mechanism according to claim 3, characterized in that: The limiting seat comprises a seat body (22), a first connecting member (23) and a second connecting member (24), wherein the first connecting member (23) and the second connecting member (24) are rotatably connected to two ends of the blocking member (21) respectively; The seat body (22) is rotatably connected to the first connecting member (23); the seat body (22) is provided with an arc-shaped slideway (221); the second connecting member (24) is slidably connected to the seat body (22) via the arc-shaped slideway (221); and the second connecting member (24) is used to adjust the inclination angle of the blocking member (21).

5. A license plate discharging mechanism according to any one of claims 2 to 4, characterized in that: The conveying channel (1) comprises a baffle (12), wherein two baffles (12) are respectively located on both sides of the conveying channel (1), and a guide unit (3) is provided at one end of the baffle (12) close to the discharge port (11), and the guide unit (3) is used to guide the two side edges of the license plate (4) to contact the arc surface (211).

6. A license plate discharging mechanism according to claim 5, characterized in that: The guide unit (3) comprises a support member (32) and a guide sheet (31), wherein the support member (32) is arranged between the guide sheet (31) and the baffle (12), one end of the guide sheet (31) is fixed on the baffle (12), and the other end is tilted under the support of the support member (32); The distance between the guide plates (31) on the two baffles (12) decreases continuously or discontinuously along the conveying direction of the conveying channel (1).

7. A license plate discharging mechanism according to claim 5, characterized in that: The conveying channel (1) also includes a bottom plate (13), at least one of the baffles (12) is provided with a first elongated hole (121), the length direction of the first elongated hole (121) is perpendicular to the conveying direction of the conveying channel (1), and the first elongated hole (121) is connected to the bottom plate (13) by screws.

8. A license plate discharging mechanism according to any one of claims 1 to 4, characterized in that: The conveying channel (1) comprises a bottom plate (13), and at least one of the limiting units (2) is provided with a second elongated hole (222), the length direction of the second elongated hole (222) is perpendicular to the conveying direction of the conveying channel (1), and the second elongated hole (222) is connected to the bottom plate (13) by screws.

9. A license plate discharging mechanism according to claim 1, characterized in that: A contact piece is provided at the rear end of the conveying channel (1), and the contact piece is used to support the rear side of the license plate (4) in the conveying channel (1); And / or, the conveying channel (1) is arranged at an angle, and the discharge port (11) is located at the bottom of the conveying channel (1).

10. A license plate production system, characterized in that: It comprises a license plate discharging cooperation mechanism as described in any one of claims 1-9.

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