CN111746153A - A temporary license plate printing device - Google Patents

Abstract

The invention discloses a temporary license plate printing device, which comprises a conveying device and a printing device. The conveying device is sequentially provided with a paper feeding channel, a transition channel and a paper outputting channel according to the conveying direction of the printing substrate. The paper channel is set horizontally. Between the paper feeding channel and the transition channel, there is a paper pickup mechanism that can bring a piece of printing substrate from the paper feeding channel into the transition channel. The transition channel is provided with a mechanism for scanning and identifying the authenticity of the printing substrate There is a roller mechanism between the transition channel and the paper outlet channel, which can bring the printing substrate from the transition channel into the paper outlet channel, and the paper outlet channel is provided with a cleaning mechanism that can clean the surface of the temporary license plate printing substrate. The invention can eliminate the risk of using fake printing substrates for printing and tampering with the license plate number at will, increase illegal costs, reduce the occurrence of illegal or criminal behaviors of new cars, and block supervision loopholes.

Description

A temporary license plate printing device

technical field

The invention belongs to the technical field of printers, in particular to a temporary license plate printing device.

Background technique

At present, before the new car is registered, a temporary license plate will be provided to the owner. The temporary license plate used is made of paper and is used by the owner in the car.

Many car owners do not place a temporary license plate in the car, so that when a new car violation occurs or when a driver uses a new car to commit crimes, the car owner cannot be found. Technology, the cameras of the electronic police can't capture the illegal car owners who use the temporary license plate from any angle. This is a difficult problem to break through across the country, and many cities have regulatory loopholes in this regard.

In order to improve this regulatory loophole, some experts have proposed to change the paper material of the temporary license plate to a plastic sheet with reflective paint, and issue two copies, which are hung on the front and rear of the car respectively. However, no matter the temporary license plate is made of paper, plastic or other base materials, this kind of temporary license plate can be copied by simple means, and there is a risk of arbitrarily modifying the license plate number. Therefore, it is necessary to design a printing device specially designed for temporary license plate printing.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a temporary license plate printing device, which can eliminate the risk of using fake printing substrates for printing and arbitrarily tampering with the license plate number, increase illegal costs, reduce the occurrence of illegal or criminal behavior of new cars, and block supervision loopholes.

In order to achieve the above object, the present invention provides a temporary license plate printing device, including a conveying device and a printing device, wherein the conveying device is sequentially provided with a paper feed channel, a transition channel and a paper output channel according to the conveying direction of the printing substrate. The paper feed channel is set obliquely, the paper output channel is set horizontally, and between the paper feed channel and the transition channel, there is a printing substrate capable of bringing a piece of printing substrate from the paper feed channel into the transition channel. A paper pick-up mechanism, the transition channel is provided with a scanning mechanism for scanning and identifying the authenticity of the printing substrate, and between the transition channel and the paper outlet channel is provided with the ability to bring the printing substrate from the transition channel into The roller mechanism of the paper outlet channel is provided with a cleaning mechanism capable of cleaning the surface of the printing substrate.

As a preferred solution of the present invention, the inclination angle of the paper feeding channel is 45 degrees to 65 degrees.

As a preferred solution of the present invention, the paper feed channel is provided with an inlet support plate and a guide block on the side close to the transition channel, and the paper feed channel is provided with a number of supporting rollers on the side away from the transition channel, Both the inlet support plate and the supporting roller are supported on the bottom surface of the printing substrate on the paper feeding channel, and the introduction block is arranged on the side of the paper feeding channel and is located on the inlet supporting plate Above, the edge of the printing substrate passes between the introduction block and the inlet pallet; the introduction block is provided with an introduction slope on the side away from the transition channel.

As a preferred solution of the present invention, the pickup mechanism includes a first platen roller, a pickup roller, and a first drive unit for driving the pickup roller to rotate, and the first platen roller and the pickup roller are in the form of a The upper and lower sides are opposite to each other, and a first pinch channel that can bring a piece of printing substrate from the paper feeding channel into the transition channel is formed between the first pinch roller and the paper pickup roller; the paper feeding channel The channel is provided with a first sensor on the side close to the transition channel, and the first sensor is electrically connected with the first driving unit; when the first sensor detects that the printing substrate is sent to the inlet pallet, The system controls the first drive unit to be turned on, and drives the pickup roller to drive the printing substrate to convey to one side of the transition channel.

As a preferred solution of the present invention, the scanning mechanism includes a scanning head and a second sensor, the scanning head is arranged above the transition channel, the second sensor is arranged beside the transition channel, and the The second sensor is electrically connected to the scan head. When the second sensor detects that the printing substrate is sent to the transition channel at the position corresponding to the scan head, the system controls the scan head to turn on and performs the printing process on the printing substrate. Scanning, in which a unique two-dimensional code is set on the printing substrate. When the scanning head scans the two-dimensional code, the system can automatically identify the two-dimensional code information and judge the authenticity of the printing substrate.

As a preferred solution of the present invention, the transition channel is provided with a transition support plate and two anti-warping rollers, the transition support plate supports the bottom surface of the printing substrate on the transition channel, and the two The anti-warping rollers are arranged in parallel on the front and rear sides of the transition support plate, and the left and right ends of the anti-warping roller are respectively rotatably connected to the transition support plate through the roller seat, and the printing substrate is Pass between the anti-warp roller and the transition pallet.

As a preferred solution of the present invention, a roller mechanism is provided between the transition passage and the paper discharge passage, and the roller mechanism includes a second pressing roller, a conveying roller and a second driving unit for driving the conveying roller to rotate, The second pinch roller and the conveying roller are arranged opposite each other up and down, and a space between the second pinch roller and the conveying roller that can bring the printing substrate from the transition passage into the paper outlet passage is formed. Second pinch channel.

As a preferred solution of the present invention, the cleaning mechanism includes an upper cleaning roller, a lower roller and a cleaning cotton roller, the upper cleaning roller and the lower roller are arranged opposite each other up and down, and the printing substrate is removed from the upper cleaning roller and the lower roller. passing between, the cleaning cotton wheel is arranged above the upper cleaning roller and is in contact with the upper cleaning roller, the outer surface of the upper cleaning roller is provided with a rubber adhesive layer, and the outer surface of the cleaning cotton wheel is Features double-sided tape.

As a preferred solution of the present invention, an inlet limit block for preventing the left and right deflection of the printing substrate is provided on the side of the paper feeding channel close to the transition channel; the paper output channel is provided on the side close to the printing device. There are exit stoppers to prevent left-right deflection of the printing substrate.

As a preferred solution of the present invention, the printing device includes a printing channel connected to the paper output channel, a printing head arranged above the printing channel, a printing roller arranged at the end of the printing channel, and carbon used for releasing and recycling the carbon ribbon With a retractable mechanism, the printing channel is arranged horizontally, the top of the printing roller is located on the same horizontal plane as the printing channel, the printing head is an end-face printing head, and the printing end surface of the printing head and the printing roller are The top of the print head is opposite to the top of the print head, the printing end face of the print head is embedded with a heating line, the width of the contact between the print end face of the print head and the printing substrate is 0.3mm~0.4mm, and the front and rear sides of the print end face of the print head are The two connected side surfaces respectively form an included angle with the horizontal plane where the printing channel is located, the printing end surface of the printing head is coated with a wear-resistant coating, and the printing device is electrically connected with a third sensor, and the third sensor is arranged on the On the printing channel, when the third sensor detects that the printing substrate is sent to the printing channel, the system controls the printing device to turn on and print the printing substrate.

Compared with the prior art, implementing a temporary license plate printing device provided by the present invention has the following beneficial effects:

(1) The present invention designs the paper feeding channel as inclined feeding, which can reduce the length of the printer and reduce the position occupied by the desk;

(2) The present invention can scan and identify the authenticity of the printing substrate through the setting of the scanning mechanism, can eliminate the risk of using a fake printing substrate for printing and arbitrarily tampering with the license plate number, increase illegal costs, and reduce the risk of illegal or criminal behavior of new cars. occurs, plugging regulatory loopholes;

(3) The present invention enables the printing substrate to remove the dust on its surface (that is, the printing surface) before entering the printing device through the setting of the cleaning mechanism, so as to ensure the printing quality of the temporary license plate;

(4) The present invention enables a smooth transition between the paper feed channel and the paper output channel through the design of the transition channel, avoids excessive bending of the printing substrate and causes damage, and provides installation space for the scanning mechanism, further reducing the occupation of the desk. Location;

(5) The present invention provides the inclined conveying power and the horizontal conveying power for the printing substrate respectively through the setting of the paper pickup mechanism and the roller mechanism, so that the printing substrate can be smoothly transferred from the inclined moving state to the horizontal moving state, and the printing base material can be ensured. material conveying stability.

Description of drawings

In order to describe the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.

1 is a schematic structural diagram of a temporary license plate printing device provided by the present invention;

Figure 2 is a schematic structural diagram (1) of a conveying device, a paper pickup mechanism, a scanning mechanism, a roller mechanism and a cleaning mechanism;

Figure 3 is a schematic structural diagram (2) of a conveying device, a paper pickup mechanism, a scanning mechanism, a roller mechanism and a cleaning mechanism;

4 is a schematic structural diagram of a printing device;

Fig. 5 is the installation arrangement diagram of the end face print head and print roller in the structure shown in Fig. 4;

FIG. 6 is a diagram showing the installation arrangement of a conventional flat print head and a print roller.

Mark in the picture:

1. Conveying device, 11, paper feed channel, 12, transition channel, 13, paper output channel, 14, inlet pallet, 15, lead-in block, 16, support roller, 17, transition pallet, 18, anti-warping Crank roller, 19a, inlet limit block, 19b, outlet limit block;

2. Printing device, 21, printing channel, 22, printing head, 23, printing roller, 24, ribbon retracting mechanism, 25, ribbon, 26, third sensor, 27, printing end face;

3. Printing substrate;

4. Paper pickup mechanism, 41, the first pinch roller, 42, the pickup roller, 43, the first sensor;

5. Scanning mechanism, 51, scanning head, 52, second sensor;

6. The roller mechanism, 61, the second pressing roller, 62, the conveying roller;

7. Cleaning mechanism, 71. Upper cleaning roller, 72. Lower roller, 73. Cleaning cotton roller.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. refer to the orientation or position The relationship is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the machine or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore It should not be construed as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but these information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in FIG. 1 to FIG. 5 , a temporary license plate printing device according to a preferred embodiment of the present invention includes a conveying device 1 and a printing device 2 . The channel 11, the transition channel 12 and the paper outlet channel 13, the paper inlet channel 11 is arranged obliquely, the paper outlet channel 13 is arranged horizontally, and there is a A piece of printing substrate 3 is brought from the paper feeding channel 11 into the paper pickup mechanism 4 of the transition channel 12. The transition channel 12 is provided with a scanning mechanism 5 for scanning and identifying the authenticity of the printing substrate 3, so Between the transition channel 12 and the paper outlet channel 13 is a roller mechanism 6 that can bring the printing substrate 3 from the transition channel 12 into the paper outlet channel 13 , and the paper outlet channel 13 is provided with a roller mechanism 6 . The cleaning mechanism 7 for cleaning the surface of the printing substrate 3 .

Therefore, the key points of the temporary license plate printing device provided according to the embodiment of the present invention are: first, the paper feeding channel 11 is designed to be inclined to feed paper, which can reduce the length of the printer and reduce the position occupied on the desk; second , Through the setting of the scanning mechanism 5, the authenticity of the printing substrate 3 can be scanned and identified, the risk of using a fake printing substrate 3 for printing and tampering with the license plate number at will, increasing illegal costs, and reducing the occurrence of new car violations or crimes. , plug the supervision loophole; thirdly, through the setting of the cleaning mechanism 7, the printing substrate 3 can remove the dust on its surface (ie the printing surface) before entering the printing device 2, so as to ensure the printing quality of the temporary license plate; fourthly, through the transition The design of the channel 12 enables a smooth transition between the paper feed channel 11 and the paper output channel 13, avoids excessive bending of the printing substrate 3 and causes damage, and provides installation space for the scanning mechanism 5, further reducing the occupation of the desk; Finally, through the setting of the paper pickup mechanism 4 and the roller mechanism 6, the inclined conveying power and the horizontal conveying power are respectively provided for the printing substrate 3, so that the printing substrate 3 can be smoothly transferred from the inclined moving state to the horizontal moving state, and the printing is guaranteed. Stability of substrate 3 transport.

Exemplarily, the inclination angle of the paper feeding channel 11 is preferably 45 degrees to 65 degrees. The inclination angle can make the printing substrate 3 slide down to the paper feeding side of the paper pickup mechanism 4 under the action of its own weight, and can avoid the inclination caused by the inclination. When the angle is too large, the printing substrate 3 is excessively bent and damaged.

Exemplarily, in order to ensure that the printing substrate is fed straight, the paper feeding channel 11 is provided with an inlet support plate 14 and an introduction block 15 on the side close to the transition channel 12, and the inlet support plate 14 is supported on the side of the transition channel 12. The bottom surface of the printing substrate 3 on the paper feeding channel 11, the introduction block 15 is arranged on the side (specifically, the side wall) of the paper feeding channel 11 and above the inlet support plate 14, and the printing substrate The edge of 3 passes between the introduction block 15 and the inlet support plate 14; the paper feeding channel 11 is provided with a number of supporting rollers 16 on the side away from the transition channel 12, and the supporting rollers The shaft 16 is supported on the bottom surface of the printing substrate 3 on the paper feeding channel 11 . The design of the supporting roller 16 can reduce the resistance of the paper feeding channel 11 to the printing substrate 3 , and is convenient for the printing substrate 3 to act under its own weight. slide down. Further, the introduction block 15 is provided with an introduction slope on the side away from the transition channel 12 , and the introduction slope can facilitate the insertion of the edge of the printing substrate 3 between the introduction block 15 and the inlet pallet 14 .

Exemplarily, the pickup mechanism 4 includes a first pinch roller 41, a pickup wheel 42, and a first driving unit for driving the pickup wheel 42 to rotate. The rollers 42 are arranged up and down opposite to each other, and a first sheet of printing substrate 3 can be brought from the paper feeding channel 11 into the transition channel 12 between the first pressing roller 41 and the paper pickup roller 42 . Pinch channel. The first pinch roller 41 has a certain displacement space, which can be close to or away from the pickup wheel 42 , and the first pinch wheel 41 presses the pickup wheel 42 or the printing substrate 3 under the action of a spring. . Thus, when the first driving unit drives the pickup roller 42 to rotate, a nip force is formed between the first platen roller 41 and the pickup roller 42 to bring the printing substrate 3 from the paper feeding channel 11 into the transition channel 12 .

Further, the paper feeding channel 11 is provided with a first sensor 43 on the side close to the transition channel 12 , the first sensor 43 is arranged on the inlet pallet 14 , and the first sensor 43 is connected to the The first driving unit is electrically connected; when the first sensor 43 detects that the printing substrate 3 is sent to the inlet pallet 14 , the system controls the first driving unit to turn on, and drives the pickup roller 42 to drive the printing substrate 3 It is transported to the side of the transition channel 12 . Therefore, the setting of the first sensor 43 can control the start and stop of the first drive unit, effectively avoid the occurrence of ineffective operation of the first drive unit, and save energy consumption.

Exemplarily, the scanning mechanism 5 includes a scanning head 51 and a second sensor 52 , the scanning head 51 is arranged above the transition channel 12 , and the second sensor 52 is arranged beside the transition channel 12 . , and the second sensor 52 is electrically connected to the scan head 51. When the second sensor 52 detects that the printing substrate 3 is sent to the transition channel 12 at the position corresponding to the scan head 51, the system controls the The scanning head 51 is turned on and scans the printing substrate 3, wherein, the printing substrate 3 is provided with a unique two-dimensional code, when the scanning head 51 scans the two-dimensional code, the system can automatically identify the two-dimensional code information, and The authenticity of the printing substrate 3 is judged. If it is determined that the used printing substrate 3 is genuine, the temporary number plate applied for by the applicant is printed; if it is determined that the used printing substrate 3 is false, the printing is stopped and an error message is sent. It should also be noted that the setting of the second sensor 52 can control the start and stop of the scan head 51, which can effectively avoid the occurrence of invalid work of the scan head 51 and save energy consumption.

Exemplarily, the transition channel 12 is provided with a transition support plate 17 and two anti-warping rollers 18, the transition support plate 17 supports the bottom surface of the printing substrate 3 on the transition channel 12, and the two Each of the anti-warping rollers 18 are arranged in parallel on the front and rear sides of the transition support plate 17 , and the left and right ends of the anti-warping rollers 18 are respectively rotatably connected to the transition support through roller seats. On the plate 17 , the printing substrate 3 passes between the anti-warp roller 18 and the transition support plate 17 . Such a design can ensure that the printing substrate 3 is conveyed straight on the transition channel 12 , prevents the printing substrate 3 from warping, is conducive to the accurate detection and positioning of the second sensor 52 , and facilitates the scanning head 51 to detect the second printing substrate 3 on the printing substrate 3 . Scan the QR code.

Exemplarily, a roller mechanism 6 is provided between the transition channel 12 and the paper outlet channel 13 , and the roller mechanism 6 includes a second pressing roller 61 , a conveying roller 62 and a first roller for driving the conveying roller 62 to rotate. Two driving units, the second platen roller 61 and the conveying roller 62 are arranged opposite each other up and down, and the second platen roller 61 and the conveying roller 62 form a transition between the printing substrate 3 and the The channel 12 is brought into the second pinch channel of the paper output channel 13 . The second paper pressing wheel 61 has a certain displacement space and can be close to or far from the conveying roller 62 , and the second pressing roller 61 presses the conveying roller 62 or the printing substrate 3 under the action of a spring. Thus, when the second driving unit drives the conveying roller 62 to rotate, a nip force is formed between the second pressing roller 61 and the conveying roller 62 to bring the printing substrate 3 from the transition passage 12 into the paper output passage 13 .

It should be noted that the first drive unit and the second drive unit in this embodiment are the same drive unit, and the pickup roller 42 and the conveying roller 62 are rotated synchronously through the gear transmission mechanism.

Exemplarily, the cleaning mechanism 7 includes an upper cleaning roller 71 , a lower roller 72 and a cleaning cotton roller 73 , the upper cleaning roller 71 and the lower roller 72 are arranged opposite to each other, and the printing substrate 3 is removed from the upper cleaning roller 71 . Passing between the lower roller 72, the cleaning cotton wheel 73 is arranged above the upper cleaning roller 71 and is in contact with the upper cleaning roller 71, and the outer surface of the upper cleaning roller 71 is provided with rubber adhesive layer, the outer surface of the cleaning cotton wheel 73 is provided with double-sided tape. Among them, the design of the lower roller 72 can reduce the resistance of the paper output channel 13 to the printing substrate 3; the upper cleaning roller 71 has a certain displacement space and can be close to or away from the lower roller 72, and the upper cleaning roller 71 is under the action of a spring. Press down the lower roller 72 or the printing substrate 3. Therefore, when the printing substrate 3 passes between the upper cleaning roller 71 and the lower roller 72, the printing substrate 3 can drive the upper cleaning roller 71 to rotate, and the rubber adhesive layer on the upper cleaning roller 71 can remove the printing substrate 3 The dust on the surface (that is, the printing surface) adheres. When the upper cleaning roller 71 is rotated to contact with the cleaning cotton roller 73, since the surface of the cleaning cotton roller 73 is composed of double-sided tape, the upper cleaning roller 71 can be effectively removed. The dust on the substrate sticks and does not fall off, thereby realizing the cleaning of the dust on the surface of the printing substrate 3 .

It should be noted that, considering that when the surface of the cleaning cotton wheel 73 is covered with dust, the dust removal effect will be very poor. At this time, the cleaning cotton wheel needs to be replaced in time. Therefore, the cleaning cotton wheel 73 preferably adopts an easy-to-assemble and disassemble structure. Easy to replace.

Exemplarily, an entrance limiting block 19a for preventing the left and right deflection of the printing substrate 3 is provided on the side of the paper feeding channel 11 close to the transition channel 12 . Wherein, the entrance limiting block 19a is connected to the side of the paper feeding channel 11 by a spring, and is arranged opposite to the introduction block 15 from left to right. As a result, the entrance limiting block 19a presses the printing substrate 3 against the side wall on the other side of the paper feeding channel 11 under the action of the spring, thereby preventing the left and right deviation of the printing substrate 3 during the conveying process and improving the printing efficiency. precision.

Exemplarily, the paper output channel 13 is provided with an exit limit block 19b on the side close to the printing device 2 for preventing the printing substrate 3 from swinging from side to side. Wherein, the outlet limiting block 19b is connected to the side of the paper outlet channel 13 through a spring. As a result, the exit stopper 19b presses the printing substrate 3 against the side wall on the other side of the paper outlet channel 13 under the action of the spring, thereby preventing the left and right deviation of the printing substrate 3 during the conveying process and improving the printing efficiency. precision.

Exemplarily, since the existing flat printhead has an angle to the paper path, and the print plane of the flat printhead has adhesive for encapsulating electronic components (such as ICs), the adhesive is raised and offset. At the top of the printing roller (as shown in Figure 6), when printing hard and thick (0.5mm~1.2mm) printing substrates, the adhesive part will press the printing substrate to bend it, and Since the material of the printing substrate 3 (such as PC or PVC or PET) is relatively hard, it is difficult for the heating line of the printing head to fully fit the printing surface of the printing substrate 3, thus affecting the printing quality, showing unclear printing or poor printing. The result of producing fonts and images; and the coating of the existing print head cannot adapt to the scratch of the hard printing substrate 3, and the print head is easily damaged. Therefore, the printing device 2 of this embodiment selects an end-face printing head, and changes the installation method of the printing head and the printing roller. Specifically, the printing device 2 includes a printing channel 21 connected to the paper output channel 13, and is arranged in the The printing head 22 above the printing channel 21, the printing roller 23 arranged at the end of the printing channel 21, and the ribbon retracting mechanism 24 for releasing and recovering the carbon ribbon 25, the printing channel 21 is arranged horizontally, and the printing roller 23 The top of the print head 22 is on the same level as the print channel 21, the print head 22 is an end face print head, the print end face 27 of the print head 22 is opposite to the top of the print roller 23, and the print end face of the print head 22 is opposite to the top of the print roller 23. 27 is embedded with a heating wire. Therefore, in the present invention, by selecting the end face print head and changing the installation method of the print head 22 and the print roller 23, the contact point between the print end face 27 of the print head 22 and the print substrate 3 can be located at the top of the print roller 23, so that the The entire printing substrate 3 is printed and conveyed in a flat state, which meets the printing requirements of hard and thick printing substrates, and will not bend the printing substrate, so that the heating line of the print head 22 is perfectly attached to the printing substrate 3. together, print high-quality fonts and images.

Exemplarily, the width at which the printing end surface 27 of the printing head 22 contacts the printing substrate 3 is 0.3 mm˜0.4 mm. Such a design can make the width of the contact between the printing end face 21 of the print head 22 and the printing substrate 3 only the width of a heating line, which ensures that the heating line of the printing head 2 and the printing substrate 3 fit perfectly.

Exemplarily, the print end face 27 of the print head 22 is coated with a wear-resistant coating, so as to improve the wear resistance of the print head, so that the print head is not easily damaged when printing a hard printing substrate.

Exemplarily, the printing device 2 is electrically connected with a third sensor 26, and the third sensor 26 is disposed on the printing channel 21. When the third sensor 26 detects that the printing substrate 3 is sent to the printing When the channel 21 is opened, the system controls the printing device 2 to turn on and print the printing substrate 3 . In this way, the setting of the third sensor 26 can control the start and stop of the printing apparatus 2 , thereby effectively avoiding the occurrence of ineffective operation of the printing apparatus 2 and saving energy consumption.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an interim license plate printing apparatus, includes conveyor and printing device, its characterized in that, conveyor is equipped with paper feed passageway, transition passageway and goes out the paper passageway according to the direction of delivery who prints the substrate in proper order, the paper feed passageway is the slope setting, it is the level setting to go out the paper passageway, the paper feed passageway with be equipped with between the transition passageway and can follow a printing substrate the paper feed passageway is taken into the paper rubbing mechanism of transition passageway, be equipped with on the transition passageway and be used for scanning and discernment to print the scanning mechanism of substrate true and false, the transition passageway with it follows to be equipped with between the play paper passageway the transition passageway is taken into the gyro wheel mechanism of play paper passageway, be equipped with on the play paper passageway and can clean the clean mechanism of printing substrate surface.

2. The printing apparatus of claim 1, wherein the paper feeding path is inclined at an angle of 45 to 65 degrees.

3. The printing apparatus of claim 2, wherein the paper feeding path is provided with an inlet tray and an inlet block at a side close to the transition path, the paper feeding path is provided with a plurality of supporting rollers at a side far from the transition path, the inlet tray and the supporting rollers support a bottom surface of the printing substrate on the paper feeding path, the inlet block is disposed at a side of the paper feeding path and above the inlet tray, and an edge portion of the printing substrate passes between the inlet block and the inlet tray; and a guide inclined plane is arranged on one side of the guide block, which is far away from the transition channel.

4. The temporary license plate printing device of claim 1, wherein the pickup mechanism comprises a first platen roller, a pickup roller and a first driving unit for driving the pickup roller to rotate, the first platen roller and the pickup roller are arranged in an up-down opposite manner, and a first pinch passage capable of bringing a printed substrate from the paper feed passage into the transition passage is formed between the first platen roller and the pickup roller; a first sensor is arranged on one side, close to the transition channel, of the paper feed channel and is electrically connected with the first driving unit; when the first sensor detects that the printing base material is conveyed to the inlet supporting plate, the system controls the first driving unit to be started, and the paper twisting wheel is driven to drive the printing base material to convey to one side of the transition channel.

5. The temporary license plate printing device of claim 1, wherein the scanning mechanism comprises a scanning head and a second sensor, the scanning head is arranged above the transition passage, the second sensor is arranged beside the transition passage, the second sensor is electrically connected with the scanning head, when the second sensor detects that the printing substrate is sent to the position of the transition passage corresponding to the scanning head, the system controls the scanning head to be opened and scans the printing substrate, a unique two-dimensional code is arranged on the printing substrate, and when the scanning head scans the two-dimensional code, the system can automatically identify information of the two-dimensional code and judge the authenticity of the printing substrate.

6. The printing device for the temporary license plate of claim 1, wherein a transition channel is provided with a transition support plate and two anti-warping rollers, the transition support plate supports the bottom surface of the printing substrate on the transition channel, the two anti-warping rollers are arranged on the front side and the rear side of the transition support plate in parallel, the left end and the right end of each anti-warping roller are rotatably connected to the transition support plate through roller seats respectively, and the printing substrate passes through the anti-warping rollers and the transition support plate.

7. The temporary license plate printing device of claim 1, wherein a roller mechanism is disposed between the transition channel and the paper exit channel, the roller mechanism comprises a second paper pressing wheel, a conveying roller and a second driving unit for driving the conveying roller to rotate, the second paper pressing wheel and the conveying roller are disposed opposite to each other in an up-down direction, and a second pinch channel capable of bringing a printing substrate from the transition channel into the paper exit channel is formed between the second paper pressing wheel and the conveying roller.

8. The printing device for the temporary license plate of claim 1, wherein the cleaning mechanism comprises an upper cleaning roller, a lower roller and a cleaning cotton wheel, the upper cleaning roller and the lower roller are arranged oppositely up and down, the printing substrate passes through the upper cleaning roller and the lower roller, the cleaning cotton wheel is arranged above the upper cleaning roller and is in contact with the upper cleaning roller, a rubber adhesion layer is arranged on the outer surface of the upper cleaning roller, and a double-sided adhesive tape is arranged on the outer surface of the cleaning cotton wheel.

9. The printing device for the temporary license plate of claim 1, wherein an inlet stopper for preventing the printing substrate from swinging left and right is arranged at one side of the paper feed channel close to the transition channel; the paper outlet channel is close to one side of the printing device, and an outlet limiting block used for preventing the printing substrate from swinging left and right is arranged on one side of the printing device.

10. The printing device for the temporary license plate of any one of claims 1 to 9, wherein the printing device comprises a printing channel connected with the paper outlet channel, a printing head arranged above the printing channel, a printing roller arranged at the tail end of the printing channel, and a carbon ribbon retracting mechanism for releasing and recovering a carbon ribbon, the printing channel is horizontally arranged, the top end of the printing roller and the printing channel are positioned on the same horizontal plane, the printing head is an end face printing head, the printing end face of the printing head is opposite to the top end of the printing roller, a heating wire is embedded in the printing end face of the printing head, the width of the contact part of the printing end face of the printing head and a printing base material is 0.3 mm-0.4 mm, two side faces connected with the front side face and the rear side face of the printing end face of the printing head respectively form an included angle with the horizontal plane where the printing channel is positioned, the printing device is characterized in that the printing end face of the printing head is coated with a wear-resistant coating, the printing device is electrically connected with a third sensor, the third sensor is arranged on the printing channel, and when the third sensor detects that a printing substrate is sent to the printing channel, the system controls the printing device to be started and print the printing substrate.

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