License plate material taking detection system and license plate production system

Abstract

The utility model relates to the technical field of license plate production, in particular to a license plate material taking detection system and a license plate production system.The license plate material taking detection system comprises a conveying channel, a pushing piece, a grabbing device and detection equipment; a discharge hole is formed in the front end of the conveying channel; the grabbing device is provided with a grabbing mechanism, and the grabbing mechanism can move to the discharging port and conduct grabbing operation. Wherein the detection equipment is in signal connection with the grabbing device, and at least when the grabbing mechanism moves to the discharging port, the detection path of the detection equipment passes through the discharging port. According to the utility model, the discharge port is detected by the detection equipment, so that whether license plates exist at the discharge port can be judged, and when no license plate exists at the discharge port, the license plates in the conveying channel can be determined to be taken out, and at the moment, the grabbing device or the whole license plate production system can be stopped in time; and the operation cost of related mechanisms is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of license plate production, in particular to a license plate material extraction detection system 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] 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. 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] However, during the process of grabbing the license plates, it is difficult for the grabbing device to determine whether all the stacked license plates have been grabbed. After all the stacked license plates have been taken out, the grabbing device may continue to repeat the grabbing action and fail to stop working in time, resulting in an increase in the operating cost of the license plate production system. Utility Model Content

[0006] The utility model discloses a license plate material taking detection system and a license plate production system, so as to solve the technical problem in the related art that after all the stacked license plates are taken out, the grabbing device may still keep repeating the grabbing action, resulting in an increase in the operating cost of the license plate production system.

[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 detection system for picking up license plates, including a conveying channel, a grabbing device and a detection device;

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

[0010] The grabbing device has a grabbing mechanism, and the grabbing mechanism can move to the discharge port and perform a grabbing operation;

[0011] Wherein, the detection device is connected with the gripping device by signal, and at least when the gripping mechanism moves to the discharge port, the detection path of the detection device passes through the discharge port.

[0012] As an optional solution of the present invention, the detection device is arranged on the gripping mechanism, and when the gripping mechanism moves to the discharge port, the detection path of the detection device passes through the discharge port.

[0013] As an optional solution of the present utility model, the detection system further includes a propulsion member, which is disposed in the conveying channel and can move toward the discharge port.

[0014] As an optional solution of the utility model, the surface of the propulsion member on one side facing the discharge port is an abutment surface, and the abutment surface has an opening;

[0015] When the grabbing mechanism moves to the discharge port, and the pushing member moves to the discharge port, the detection path of the detection device passes through the opening.

[0016] As an optional solution of the present invention, the opening is located in the middle of the abutting surface.

[0017] As an optional solution of the utility model, the conveying channel is inclined, and the discharge port is located at the bottom end of the conveying channel;

[0018] The pusher can slide down in the conveying channel.

[0019] As an optional solution of the present invention, a roller is provided at the bottom of the propulsion member.

[0020] As an optional solution of the present invention, the detection device is an infrared sensor.

[0021] As an optional solution of the utility model, the grabbing device further includes a moving mechanism, and the moving end of the moving mechanism is connected to the grabbing mechanism;

[0022] The grabbing mechanism comprises a connecting seat, and the detection device is arranged on the connecting seat.

[0023] In a second aspect, the utility model provides a license plate production system, including a license plate material collection detection system as described in any of the above schemes.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0025] 1. The utility model provides a license plate retrieval detection system, which can determine whether there is a license plate at the discharge port through the detection of the detection equipment. When it is detected that there is no license plate at the discharge port, it can be determined that all the license plates in the conveying channel have been taken out. At this time, the grabbing device or the entire license plate production system can be shut down in time, thereby reducing the operating costs of related institutions.

[0026] 2. The utility model provides a license plate production system, which, by setting up a license plate material collection detection system in the system, can promptly shut down the grabbing device or the entire license plate production system after multiple license plates stacked together are grabbed, thereby reducing the operating cost of the entire production system. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an overall schematic diagram of Example 1 of the utility model when a license plate is present at the discharge port.

[0028] Figure 2 This is an overall schematic diagram of Example 1 of the utility model when there is no license plate at the discharge port.

[0029] Figure 3 This is a schematic diagram of the structure of the propulsion member in Example 1 of the utility model.

[0030] Figure 4 This is a schematic diagram of the structure of the grabbing device in Example 1 of the utility model.

[0031] Figure 5 This is a schematic diagram of the structure of the grabbing device in Example 1 of the utility model.

[0032] Figure 6 This is a detailed schematic diagram of a case where a license plate is present at the discharge port of Example 1 of the utility model.

[0033] Figure 7 This is a detailed schematic diagram of Example 1 of the utility model when there is no license plate at the discharge port.

[0034] Markings in the figure: 1-conveying channel; 11-discharging port; 2-propelling member; 21-abutting surface; 22-opening; 23-roller; 3-grabbing device; 31-grabbing mechanism; 32-moving mechanism; 33-connecting seat; 4-detection equipment; 41-detection path; 5-license plate. DETAILED DESCRIPTION

[0035] The utility model is described in detail below in conjunction with the accompanying drawings.

[0036] 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.

[0037] 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.

[0038] 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.

[0039] 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.

[0040] Example 1

[0041] The utility model provides a detection system for license plate material collection, such as Figures 1 to 7 As shown, it includes a conveying channel 1, a gripping device 3 and a detection device 4; the front end of the conveying channel 1 has a discharge port 11 corresponding to the preset workstation position, and the overlapping license plates 5 can be uniformly conveyed in the conveying channel 1 toward the discharge port 11; the gripping device 3 has a movable gripping mechanism 31, and the gripping mechanism 31 can move to the discharge port 11 and grip the license plate 5 at the discharge port 11, and then take the gripped license plate 5 to the next processing step; when the previous license plate 5 moves to the discharge port 11 and is taken away, the next license plate 5 can move to the discharge port 11 until all license plates 5 are taken away by the gripping device 3.

[0042] The detection device 4 is connected to the gripping device 3 by signal. At least when the gripping mechanism 31 moves to the discharge port 11, the detection path 41 of the detection device 4 passes through the discharge port 11. When the license plate 5 is at the discharge port 11, Figure 1 and Figure 6 As shown, the license plate 5 can block the detection path 41 of the detection device 4. Therefore, the detection device 4 can detect whether there is a license plate 5 at the discharge port 11 based on whether there is an obstruction at the discharge port 11. If there is no license plate 5 at the discharge port 11, as shown in FIG. Figure 2 and Figure 7 As shown, the grabbing device 3 or the entire license plate production system is shut down to reduce the operating costs of related organizations; if there are license plates 5 at the discharge port 11, the grabbing mechanism 31 continues to grab the license plates 5 at the discharge port 11 one by one.

[0043] Therefore, by detecting the discharge port 11 through the detection device 4, it can be determined whether there is a license plate 5 at the discharge port 11. When it is detected that there is no license plate 5 at the discharge port 11, it can be determined that all the license plates 5 in the conveying channel 1 have been taken out. At this time, the grasping device 3 or the entire license plate production system can be shut down in time, thereby reducing the operating costs of related institutions.

[0044] It should be noted that, at least when the gripping mechanism 31 moves to the discharge port 11, the detection path 41 of the detection device 4 passes through the discharge port 11, which means: the detection path 41 of the detection device 4 may pass through the discharge port 11 only when the gripping mechanism 31 moves to the discharge port 11; or the detection path 41 of the detection device 4 may always pass through the discharge port 11 at any time including when the gripping mechanism 31 moves to the discharge port 11. At this time, the position of the detection device 4 is relatively fixed with respect to the discharge port 11.

[0045] When only the gripping mechanism 31 moves to the discharge port 11, the detection path 41 of the detection device 4 passes through the discharge port 11. Specifically, Figure 4 and Figure 5 As shown, the grabbing device 3 may further include a moving mechanism 32, wherein the moving mechanism 32 may be a mechanical arm, and the moving end of the moving mechanism 32 is connected to the grabbing mechanism 31; the grabbing mechanism 31 includes a connecting seat 33, on which a device for grabbing the license plate 5 is provided, such as a negative pressure straw or a mechanical gripper, the connecting seat 33 is connected to the moving end of the moving mechanism 32, and the detection device 4 is disposed on the connecting seat 33. At this time, when and only when the grabbing mechanism 31 is driven by the moving mechanism 32 to move to the discharge port 11 and is ready to grab the license plate 5, the detection device 4 is turned on and detects the discharge port 11; when the grabbing mechanism 31 moves to other positions, the detection device 4 is turned off to avoid false detection.

[0046] Among them, the detection device 4 can be an infrared sensor. At this time, the infrared path emitted by the infrared sensor is the detection path 41 of the detection device 4. At this time, the infrared sensor can determine whether there is a license plate 5 at the discharge port 11 by detecting the distance between the obstacle and the infrared emitting end, that is: when the distance detected by the infrared sensor meets the preset distance range, it is determined that there is a license plate 5 at the discharge port 11; when the distance detected by the infrared sensor is greater than the maximum value of the preset distance range, it is determined that there is no license plate 5 at the discharge port 11.

[0047] Considering that after the grasping device 3 completes the grasping operation of the license plate 5, it will bring the license plate 5 to the feeding end of the subsequent processing step. In the actual production process, the subsequent processing step may not be able to vacate the space at the feeding end in time to receive the new license plate 5 due to failures or other reasons. Therefore, the grasping device 3 may need to spend extra time to maintain the grasping action to achieve coordination with the subsequent processing step. At this time, for the solution that the detection path 41 of the detection device 4 always passes through the discharge port 11, the detection mechanism of the detection device 4 is difficult to take into account the coordination between the grasping device 3 and the subsequent processing step, which may result in The gripping device 3 delivers the license plate 5 to the feed end of the subsequent processing step on time, causing the accumulation of the license plate 5 at the feed end of the subsequent processing step; for the scheme in which the detection path 41 of the detection equipment 4 passes through the discharge port 11 only when the gripping mechanism 31 moves to the discharge port 11, the detection equipment 4 completes the detection of the discharge port 11 only when the gripping mechanism 31 is ready to perform the gripping operation. When the gripping mechanism 31 drives the license plate 5 to move to the feed end of the subsequent processing step, the detection equipment 4 does not detect the discharge port 11 at this time, and will not interfere with the coordination between the gripping mechanism 31 and the subsequent processing step.

[0048] Based on the scheme that the detection path 41 of the detection device 4 passes through the discharge port 11 only when the gripping mechanism 31 moves to the discharge port 11, in one or more embodiments, the detection device 4 is arranged on the gripping mechanism 31, and when the gripping mechanism 31 moves to the discharge port 11, the detection path 41 of the detection device 4 just passes through the discharge port 11.

[0049] In one or more embodiments, the license plate picking detection system also includes a propulsion member 2, which is arranged in the conveying channel 1 and can move toward the discharge port 11, thereby pushing the multiple license plates 5 in the conveying channel 1, so that the overlapping license plates 5 can be uniformly conveyed in the conveying channel 1 toward the discharge port 11, ensuring that when the current license plate 5 moves to the discharge port 11 and is taken away, the next license plate 5 can move to the discharge port 11 in time, thereby blocking the detection path 41 of the detection equipment 4.

[0050] In order to effectively propel the license plate 5 and prevent the edge of the license plate 5 from bending backwards during the forward movement of the license plate 5 due to contact with the conveying channel 1, it is preferred that the surface of the propulsion member 2 that contacts the license plate 5 is a plane, and the plane can effectively support part of the plate surface of the license plate 5 including the edge of the license plate 5, thereby reducing or preventing the edge of the license plate 5 from bending backwards during the forward movement of the license plate 5, wherein the plane is positioned as the abutment surface 21.

[0051] Based on this, in one or more embodiments, Figure 3 As shown, the side surface of the pusher 2 facing the discharge port 11 is the abutment surface 21. Considering that in order to make the abutment surface 21 support the edge of the license plate 5, the specification of the abutment surface 21 is adapted to or larger than the specification of the license plate 5, therefore, when the pusher 2 moves to the discharge port 11, it will also have a blocking effect on the detection path 41 of the detection device 4, which may cause the detection device 4 to misjudge that the license plate 5 is still present at the discharge port 11. Therefore, the abutment surface 21 is provided with an opening 22; when the gripping mechanism 31 moves to the discharge port 11, and the abutment surface 21 moves to the discharge port 11, the detection path 41 of the detection device 4 passes through the opening 22, thereby reducing the interference of the abutment surface 21 on the detection result.

[0052] Among them, the opening 22 is located in the middle part of the abutting surface 21. When the abutting surface 21 abuts against the license plate 5, the area of ​​the opening 22 projected onto the license plate 5 along the conveying direction is located in the middle part of the license plate 5. At this time, the abutting surface 21 can provide effective support for the edge of the license plate 5.

[0053] The middle portion refers to a portion of the contact surface 21 or the license plate 5 that is not in contact with the edge.

[0054] In one or more embodiments, the propeller 2 may be driven to move by a driving device, or may be moved downwardly under the influence of gravity. In the case where the propeller 2 moves downwardly under the influence of gravity, it is difficult to obtain the moving distance of the propeller 2, and therefore it is impossible to determine whether all the license plates 5 have been taken out based on the moving distance of the propeller 2. In this case, the detection device 4 is more necessary.

[0055] Based on this, for the downward movement of the propeller 2 under the influence of gravity, specifically, the conveying channel 1 can be set to be inclined. At this time, the discharge port 11 is located at the bottom end of the conveying channel 1, and the propeller 2 and the conveying channel 1 are independent of each other; the inclination angle of the conveying channel 1 is sufficient to make the propeller 2 slide down in the conveying channel 1.

[0056] On this basis, a roller 23 can be set at the bottom of the pusher 2 to ensure the downward movement of the pusher 2, thereby ensuring that the pusher 2 can reach the discharge port 11 in time when all the license plates 5 are taken out, thereby cooperating with the detection path 41 of the detection equipment 4.

[0057] Example 2

[0058] The utility model also provides a license plate production system, including any one of the license plate material collection detection systems mentioned in embodiment 1.

[0059] The license plate production system is used to produce and process the license plates 5 until the finished products are produced. By setting up a license plate material collection detection system in the system, the grabbing device 3 or the entire license plate production system can be shut down in time after multiple license plates 5 stacked together are grabbed, thereby reducing the operating costs of the entire production system.

[0060] 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 detection system for license plate collection, characterized in that: It comprises a conveying channel (1), a grasping device (3) and a detection device (4); The front end of the conveying channel (1) is provided with a discharge port (11); The grabbing device (3) has a grabbing mechanism (31), and the grabbing mechanism (31) can move to the discharge port (11) and perform a grabbing operation; The detection device (4) is signal-connected to the gripping device (3), and at least when the gripping mechanism (31) moves to the discharge port (11), the detection path (41) of the detection device (4) passes through the discharge port (11).

2. A license plate acquisition detection system according to claim 1, characterized in that: The detection device (4) is arranged on the gripping mechanism (31); when the gripping mechanism (31) moves to the discharge port (11), the detection path (41) of the detection device (4) passes through the discharge port (11).

3. A license plate acquisition detection system according to claim 1, characterized in that: It also comprises a propulsion member (2), which is arranged in the conveying channel (1) and is capable of moving toward the discharge port (11).

4. A license plate acquisition detection system according to claim 3, characterized in that: A surface of the propulsion member (2) facing the discharge port (11) is a contact surface (21), and an opening (22) is formed on the contact surface (21); When the gripping mechanism (31) moves to the discharge port (11), and the pushing member (2) moves to the discharge port (11), the detection path (41) of the detection device (4) passes through the opening (22).

5. A license plate acquisition detection system according to claim 4, characterized in that: The opening (22) is located in the middle of the abutting surface (21).

6. A license plate acquisition detection system according to claim 3, characterized in that: The conveying channel (1) is arranged at an angle, and the discharge port (11) is located at the bottom end of the conveying channel (1); The pushing member (2) is capable of sliding down in the conveying channel (1).

7. A license plate acquisition detection system according to claim 6, characterized in that: A roller (23) is provided at the bottom of the propulsion member (2).

8. A license plate acquisition detection system according to any one of claims 1 to 7, characterized in that: The detection device (4) is an infrared sensor.

9. A license plate acquisition detection system according to any one of claims 1 to 7, characterized in that: The grasping device (3) further comprises a moving mechanism (32), wherein a moving end of the moving mechanism (32) is connected to the grasping mechanism (31); The gripping mechanism (31) comprises a connecting seat (33), and the detection device (4) is arranged on the connecting seat (33).

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

Images