A code positioning and identifying device

Abstract

The application discloses a kind of code spraying positioning and identification device, including continuous code spraying positioning component and code spraying identification component, the continuous code spraying positioning component includes controller one, coupling, transmission steel roller, mobile slide bar, ink cartridge and spray head, by mobile slide bar, ink cartridge and spray head composition code spraying device, the code spraying identification component includes controller two and reads identification area array camera, the continuous code spraying positioning component is installed between color coating line winding live loop and winding machine, code spraying device is parallel to steel plate, the continuous code spraying positioning component is controlled by controller one, and the coupling is installed in real-time position acquisition of transmission equipment, surface detection equipment and continuous code spraying positioning component share same coupling and its encoder.The application has the advantages that the surface detection map, two-dimensional code spraying system coordinates and the actual position of two-dimensional code on color roll are accurately associated and matched, and accurate coordinate position is provided for subsequent transverse cutting positioning and identification device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of positioning and marking of household appliance plate color-coated coil, in particular to a code spraying positioning and recognition device. BACKGROUND

[0002] With the continuous development of domestic market packaging process, the popularity of two-dimensional code application and the emergence of emerging markets such as traceability, the development of high-resolution code spraying machines in the past two years has shown signs. Customers have higher and higher requirements for code printing quality. The world's code recognition manufacturers are all researching how to further reduce the code accuracy error and recognition position error. The software program, touch screen and other application devices are more clear in operation, which promotes the use of this device in more refined and higher technical requirement market, and who can solve these technical problems can seize the market first.

[0003] It accounts for a larger and larger proportion in the fine automation control industry. According to the existing technology research, the code spraying size of the code spraying positioning device can be less than 10*10mm and can be effectively read, and the line speed can be up to 150m / min. The code spraying interval can be shortened to within 300mm at this line speed, the accuracy can reach 300-1200DPI, and the position accuracy of the existing code spraying platform can reach about 0.1mm. The high-resolution lens of the code recognition device can read a unit size of 0.01mm, and the deviation of the center point coordinates of the two-dimensional code and the actual object is controlled within 0.1mm at the moving speed of 60m / min. The code spraying positioning and recognition device has been widely used in the automobile, logistics, semiconductor processing and other industries.

[0004] Because the code spraying positioning and recognition manufacturers are not closely combined with the household appliance plate production business system and the surface detection system, the production enterprises have poor understanding and recognition of the technology, and the actual coil coordinate positioning is not accurately combined, and the production line is not linked. In addition, there is no intelligent and automated system construction case of linking the color coil surface detection recognition, code spraying positioning recognition and household appliance plate fixed-length material cutting in domestic and foreign, therefore, a code spraying positioning and recognition device is needed to solve the above problems. SUMMARY

[0005] The present application aims to provide a code spraying positioning and recognition device, which has the advantages of generating a surface detection map, accurately associating and matching the two-dimensional code spraying system coordinates and the actual position of the two-dimensional code on the color coil, and providing accurate coordinate position for the subsequent positioning and recognition device of cross-cutting, solving the problem of intelligent and automated system construction of linking the color coil surface detection recognition, code spraying positioning recognition and household appliance plate fixed-length material cutting.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a code spraying positioning and identifying device, comprising a continuous code spraying positioning assembly and a code spraying identifying assembly, the continuous code spraying positioning assembly comprising a controller one, a coupling, a transmission steel roller, a moving slide rod, an ink box and a spraying head, the code spraying device being formed by the moving slide rod, the ink box and the spraying head, the code spraying identifying assembly comprising a controller two and a reading and identifying area array camera;

[0007] The continuous code spraying positioning assembly is installed between a rewinding live roll and a rewinding machine of a color coating line, the code spraying device is parallel to a steel plate, the continuous code spraying positioning assembly is controlled by the controller one, the coupling is installed on a transmission device to obtain a real-time position, a surface detection device shares the same coupling and an encoder with the continuous code spraying positioning assembly, the moving slide rod is installed with the ink boxes in a linear array distribution, and the spraying head is correspondingly arranged with the ink boxes.

[0008] The code spraying identifying assembly is installed between an uncoiling machine and a leveling machine of a cross-cut line, the controller two controls the reading and identifying area array camera, and an imaging acquisition area is formed below the reading and identifying area array camera.

[0009] Further, the bottom end of the ink box is installed with a conveying box, a discharging port is formed between the conveying box and the ink box for mutual communication, a hose is installed on one side of the conveying box for internal communication, the spraying head is installed on the end of the hose, an extrusion plate is sealingly and slidably installed in the interior of the conveying box, a movable ring is fixedly connected to the side of the extrusion plate away from the hose, a containing box is fixedly installed on the top end of the movable ring for sliding against the inner wall of the top end of the conveying box, the containing box is fixedly connected to the side of the extrusion plate away from the hose, a feeding port is formed in the top end of the containing box and has the same size as the discharging port, and a guide port is formed in the side of the containing box close to the extrusion plate and the extrusion plate for mutual communication.

[0010] Further, the inner wall of the bottom end of the containing box is arranged in an inclined manner, and the inclined direction is towards the guide port.

[0011] Further, a transmission rod is rotatably installed on the side of the conveying box away from the hose, and a driving assembly is arranged between one end of the transmission rod and the movable ring.

[0012] Further, the driving assembly comprises a driving column fixedly installed on one end of the transmission rod inside the conveying box, the driving column is rotatable inside the movable ring, two through holes are formed in the movable ring in a symmetrical distribution, a driven rod is installed in the through holes, and a driving groove is formed in the driving column for driving the driven rod to reciprocate in a horizontal direction.

[0013] Further, a limiting block is fixedly connected to the end of the driven rod away from the driving column, and a limiting groove is formed in the inner wall of the conveying box for sliding of the limiting block.

[0014] Further, the side of the extrusion plate close to the movable ring is fixedly connected with the inner wall of the conveying box through the annular array distributed reset spring rods.

[0015] Further, the two side inner walls of the ink cartridge are rotatably connected with a bidirectional reciprocating screw rod, a transmission assembly is arranged between the bidirectional reciprocating screw rod and the transmission rod, two symmetrically distributed movable blocks with square cross section are screwed on the rod body of the bidirectional reciprocating screw rod, mounting plates are fixedly connected around the four side walls of the movable blocks, a driven ring is rotatably connected on one side of the mounting plate, annular array distributed stirring plates are fixedly connected on the circumferential outer wall of the driven ring, four annular array distributed bidirectional driving screws are fixedly connected between the two side inner walls of the ink cartridge, the bidirectional driving screws are slidably penetrated through the mounting plates, and the bidirectional driving screws are threadedly penetrated through the driven ring.

[0016] Further, the transmission assembly comprises a transmission wheel one fixedly installed on the end of the transmission rod and a transmission wheel two fixedly sleeved on the rod body of the bidirectional reciprocating screw rod and connected with the transmission wheel one through a transmission belt.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The present application realizes the systematic recording of the coordinate information of the color roll through the code spraying positioning device to spray code positioning marks on the color coating line, so that the surface detection information is better corresponded with the actual position of the roll material. The two-dimensional code recognition device of the cross-cutting line provides effective guarantee for the fixed-length material cutting linkage processing by identifying the initial cutting point set by the identification system, and the present application creates a code spraying positioning and recognition device with simple structure and convenient use, which has the advantages of practical function, low cost, strong automation, low energy consumption, technology replication and popularization, auxiliary defect detection system application and reduction of fixed-length material cutting cost.

[0019] The rotation of the transmission wheel one at the end of the conveying box can drive the transmission rod and the driving column to rotate, the cooperation of the driving groove on the driving column and the driven rod can drive the movable ring to make reciprocating motion in the horizontal direction, the overlapping of the feeding port and the discharging port can make the inkjet raw materials in the ink cartridge flow into the containing box and then into the conveying box, and the movement of the movable ring can press and extrude the inkjet raw materials in the conveying box, so that the situation that the inkjet raw materials cannot be stably sprayed due to the blockage of the nozzle connected at the end of the hose can be effectively solved; the transmission belt is connected with the transmission wheel one and the transmission wheel two, so that the transmission wheel two can rotate synchronously and drive the bidirectional reciprocating screw rod to rotate, the reciprocating screw rod drives the movable block to make reciprocating motion in the horizontal direction, so that the movable block, the driven ring and the stirring plate can be driven to move, and the bidirectional driving screw can drive the driven ring to make reciprocating and reversing rotation, so that the inkjet raw materials in the ink cartridge can be stirred to avoid the uneven phenomenon of the inkjet raw materials caused by local deposition. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure schematic view of a code spraying positioning device applied to a color coating production line of the code spraying positioning and identifying device;

[0021] Figure 2 A structure schematic view of a code spraying identifying device applied to a cross-cut production line of the code spraying positioning and identifying device;

[0022] Figure 3 A structure schematic view of an ink cartridge of the code spraying positioning and identifying device;

[0023] Figure 4 A structure schematic view of an ink cartridge of the code spraying positioning and identifying device; Figure 3 A bottom view of the ink cartridge;

[0024] Figure 5 A sectional view of the ink cartridge of the code spraying positioning and identifying device;

[0025] Figure 6 An internal structure transmission view of the ink cartridge and the conveying box of the code spraying positioning and identifying device;

[0026] Figure 7 An internal structure explosion view of the conveying box of the code spraying positioning and identifying device;

[0027] Figure 8 A structure schematic view of an internal stirring assembly of the ink cartridge of the code spraying positioning and identifying device;

[0028] Figure 9It is a structure schematic view of single stirring component in ink box of the code spraying positioning and identifying device;

[0029] Figure 10 It is a plan view of conveying box of the code spraying positioning and identifying device;

[0030] Figure 11 It is a side sectional view of movable ring and containing box of the code spraying positioning and identifying device.

[0031] In the figure: 1, coupling; 2, controller one; 3, transmission steel roller; 4, two-dimensional code; 5, spray head; 6, ink box; 7, moving slide bar; 8, conveying box; 9, hose; 10, transmission wheel one; 11, movable ring; 12, extrusion plate; 13, reset spring rod; 14, discharging port; 15, containing box; 16, feeding port; 17, bidirectional reciprocating screw rod; 18, bidirectional driving screw; 19, mounting plate; 20, driven ring; 21, stirring plate; 22, movable block; 23, limiting block; 24, transmission rod; 25, driven rod; 26, transmission wheel two; 27, driving column; 28, driving groove; 29, guide port; 30, limiting groove; 31, controller two; 32, reading and identifying area array camera; 33, imaging acquisition area. Embodiment

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment

[0033] Please refer to Figure 1 and Figure 2The application provides a technical scheme: a code spraying positioning and identifying device, which comprises a continuous code spraying positioning assembly and a code spraying identifying assembly, the continuous code spraying positioning assembly comprises a controller one 2, a coupling 1, a transmission steel roller 3, a moving slide rod 7, an ink box 6 and a spraying head 5, the code spraying device is formed by the moving slide rod 7, the ink box 6 and the spraying head 5, the code spraying identifying assembly comprises a controller two 31 and a reading and identifying area array camera 32, the continuous code spraying positioning assembly is installed between a rewinding live roll and a rewinding machine of a color coating line, the code spraying device is parallel to a steel plate, ink is sprayed on the back of the steel plate, the start and the end are controlled by photoelectric induction signal feedback, the spraying head 5 can be adjusted according to actual conditions, the code spraying information of each spraying head 5 can be individually edited and controlled, and the code spraying content can be freely set as date, number, pattern and other information, then whether the ink is sufficient is detected, the code spraying information and the code spraying interval of each spraying head 5 are edited, when producing color-coated coils, the front and rear two steel coils are connected by riveting and punching is performed at the riveting position, a photoelectric induction switch is installed at the continuous code spraying positioning assembly, when the riveting head of the first coil moves to the position, the punching triggers the photoelectric switch, the code spraying device starts to spray codes according to the signal feedback, the system presets the code spraying information of the second coil, when the riveting head of the second coil moves to the position, the punching triggers the photoelectric switch, and the code spraying device starts to spray codes according to the new instruction according to the signal feedback.

[0034] The specific embodiment of the code spraying positioning and identifying device is as follows:

[0035] The continuous code spraying positioning assembly is installed between a rewinding live roll and a rewinding machine of a color coating line, the code spraying device is parallel to a steel plate, ink is sprayed on the back of the steel plate, the start and the end are controlled by photoelectric induction signal feedback, the spraying head 5 can be adjusted according to actual conditions, the code spraying information of each spraying head 5 can be individually edited and controlled, and the code spraying content can be freely set as date, number, pattern and other information, then whether the ink is sufficient is detected, the code spraying information and the code spraying interval of each spraying head 5 are edited, when producing color-coated coils, the front and rear two steel coils are connected by riveting and punching is performed at the riveting position, a photoelectric induction switch is installed at the continuous code spraying positioning assembly, when the riveting head of the first coil moves to the position, the punching triggers the photoelectric switch, the code spraying device starts to spray codes according to the signal feedback, the system presets the code spraying information of the second coil, when the riveting head of the second coil moves to the position, the punching triggers the photoelectric switch, and the code spraying device starts to spray codes according to the new instruction according to the signal feedback.

[0036] The code spraying identifying assembly is installed between a decoiling machine and a flattening machine of a cross-cutting line, a certain two-dimensional code 4 is set as a cutting starting point in the system before production, when the coil material marked by the two-dimensional code 4 is expanded and cross-cut by the continuous code spraying positioning assembly, the code spraying identifying assembly scans the two-dimensional code 4, reads the coordinate information and the fixed value of the center point distance from the cutting cross-cutter position, the identifying camera scans the two-dimensional code 4 on the back of the color-coated plate upwards and obtains the current two-dimensional code 4 information, the system identifies and checks the coordinate position in the defect detection map where the two-dimensional code 4 is located, when the system identifies the preset two-dimensional code 4 of the cutting starting point, the equipment transmits the steel plate by a fixed value, the center of the two-dimensional code 4 of the starting point is accurately located at the cutting position, and finally the first cutting point is determined. Embodiment

[0037] The embodiment is to pressurize and convey the inkjet raw material exported from the ink cartridge 6, avoid the situation that the inkjet raw material cannot be stably sprayed due to the blockage of the nozzle 5, and refer to Figure 3 Figure 7 and Figure 11 The specific structure comprises that the bottom end of the ink cartridge 6 is provided with a conveying box 8, a discharging port 14 is arranged between the conveying box 8 and the ink cartridge 6, and the conveying box 8 is provided with a hose 9 communicated with the inside of the conveying box 8, the nozzle 5 is arranged at the end of the hose 9, the inside of the conveying box 8 is provided with a pressing plate 12 slidably arranged, a plurality of reset spring rods 13 are fixedly connected between the side of the pressing plate 12 close to the movable ring 11 and the inner wall of the conveying box 8, the reset spring rods 13 can assist the pressing plate 12 to reset, so that the pressing plate 12 can quickly reciprocate in the conveying box 8, the side of the pressing plate 12 away from the hose 9 is fixedly connected with the movable ring 11, the top end of the movable ring 11 is fixedly provided with a containing box 15 slidably arranged close to the top end inner wall of the conveying box 8, the containing box 15 is fixedly connected with the side of the pressing plate 12 away from the hose 9, a feeding port 16 with the same size as the discharging port 14 is arranged at the top end of the containing box 15, a guide port 29 is arranged at the side of the containing box 15 close to the pressing plate 12 and the pressing plate 12, the bottom end inner wall of the containing box 15 is arranged in an inclined manner, and the inclined direction is towards the guide port 29. The guide port 29 arranged in an inclined manner at the bottom end inner wall of the containing box 15 can make the guide port 29 inside the containing box 15 flow out completely from the guide port 29.

[0038] Refer to Figure 5 Figure 7 and Figure 10 The side of the conveying box 8 away from the hose 9 is rotatably provided with a transmission rod 24, a driving assembly is arranged between one end of the transmission rod 24 and the movable ring 11, the driving assembly comprises a driving column 27 fixedly arranged at one end of the transmission rod 24 inside the conveying box 8, the driving column 27 is rotatable inside the movable ring 11, two through holes symmetrically arranged are arranged on the movable ring 11, and a driven rod 25 is arranged inside the through holes, one end of the driven rod 25 away from the driving column 27 is fixedly connected with a limiting block 23, a limiting groove 30 for the limiting block 23 to slide is arranged on the inner wall of the conveying box 8, and the limiting block 23 and the limiting groove 30 can not only ensure the stability of the driven rod 25 when reciprocating in the horizontal direction, but also can effectively avoid the driven rod 25 from rotating with the driving column 27, and a driving groove 28 for driving the driven rod 25 to reciprocate in the horizontal direction is arranged on the driving column 27.

[0039] The embodiment is to pressurize and convey the inkjet raw material exported from the ink cartridge 6, avoid the situation that the inkjet raw material cannot be stably sprayed due to the blockage of the nozzle 5, and refer to

[0040] ​​The transmission rod 24 is driven to rotate by the external driving source, and then drives the driving column 27 to rotate. The driving groove 28 on the driving column 27 drives the driven rod 25 to make reciprocating motion in the horizontal direction, and the driven rod 25 drives the movable ring 11 to move. The movable ring 11 drives the containing box 15 and the extrusion plate 12 to move. When the feeding port 16 on the containing box 15 coincides with the discharging port 14, the inkjet raw material in the ink cartridge 6 enters the inside of the containing box 15, and then flows to the inside of the conveying box 8 through the guide port 29 between the inner wall and the extrusion plate 12. Then, the inkjet raw material in the conveying box 8 is extruded by the extrusion plate 12, so that the inkjet raw material can be introduced into the nozzle 5 from the hose 9. The inkjet raw material discharged from the ink cartridge 6 is pressurized and conveyed to avoid the situation that the nozzle 5 is blocked and the inkjet raw material cannot be stably sprayed. Embodiment

[0041] This embodiment is based on the ink cartridge 6 to stir the inkjet raw material inside, to avoid the uneven phenomenon of the inkjet raw material caused by local precipitation. Referring to Figure 4 Figure 6 Figure 8 and Figure 9 , the bidirectional reciprocating screw rod 17 is rotatably installed between the two inner walls of the ink cartridge 6. The transmission assembly is arranged between the bidirectional reciprocating screw rod 17 and the transmission rod 24. The transmission assembly includes a transmission wheel one 10 fixedly installed at the end of the transmission rod 24 and a transmission wheel two 26 fixedly sleeved on the rod body of the bidirectional reciprocating screw rod 17 and connected with the transmission wheel one 10 through the transmission belt. The rod body of the bidirectional reciprocating screw rod 17 is screwed with two movable blocks 22 symmetrically distributed and arranged in a square shape in cross section. The four peripheral walls of the movable block 22 are fixedly connected with the mounting plate 19. The mounting plate 19 is rotatably installed with the driven ring 20 on one side. The circumferential outer wall of the driven ring 20 is fixedly connected with the stirring plate 21 arranged in an annular array. Four bidirectional drive screws 18 arranged in an annular array are fixedly connected between the two inner walls of the ink cartridge 6. The bidirectional drive screw 18 is slidably penetrated with the mounting plate 19, and the bidirectional drive screw 18 is threadedly penetrated with the driven ring 20.

[0042] The embodiment of the ink cartridge 6 is used to stir the inkjet raw material inside, to avoid the uneven phenomenon of the inkjet raw material caused by local precipitation. The specific implementation manner is as follows:

[0043] ​​The transmission rod 24 rotates and drives the transmission wheel one 10 to rotate, the transmission wheel one 10 drives the transmission wheel two 26 to rotate through the transmission belt, the transmission wheel two 26 drives the bidirectional reciprocating screw rod 17 to rotate, the bidirectional reciprocating screw rod 17 drives the movable block 22 to move reciprocatingly in the horizontal direction, and the movable block 22 drives the mounting plate 19 to move reciprocatingly, the mounting plate 19 synchronously drives the driven ring 20 and the stirring plate 21 to move, in the moving process, the bidirectional drive screw rod 18 drives the driven ring 20 to rotate, the driven ring 20 drives the stirring plate 21 to rotate, and the stirring plate 21 mixes and stirs the ink ejection raw materials in the ink cartridge 6, so that the uneven phenomenon of the ink ejection raw materials caused by local precipitation is avoided.

[0044] Working principle: the code positioning and recognition device, when used, the continuous code positioning assembly is installed between the rewinding loop and the rewinding machine of the color coating line, the code device is parallel to the steel plate, the ink is sprayed on the back of the steel plate, the start and end are controlled by the feedback of the photoelectric induction signal, the nozzle 5 can be adjusted according to the actual situation, the code information of each nozzle 5 can be independently edited and controlled, and the code content can be freely set as date, number, pattern and other information. Then, whether the ink is sufficient is detected, the code information and the code interval of each nozzle 5 are edited, when producing the color-coated coil, the front and rear two steel coils are connected through riveting, and a punching hole is punched at the riveting position. The photoelectric induction switch is installed at the continuous code positioning assembly, when the first riveting head moves to this position, the punching hole triggers the photoelectric switch, the signal feedbacks the code device to start spraying, the system presets the second coil code information, when the second riveting head moves to this position, the punching hole triggers the photoelectric switch, the signal feedbacks the code device to start spraying according to the new instruction.

[0045] The code recognition assembly is installed between the uncoiler and the flattening machine of the cross-cutting line, before production, a certain two-dimensional code 4 is set as the cutting starting point in the system, when the material marked by the two-dimensional code 4 is developed and cross-cut, the code recognition assembly scans the two-dimensional code 4, reads the coordinate information and the center point distance from the cutting cross-cutter position, the recognition camera scans the two-dimensional code 4 on the back of the color-coated plate upwards and obtains the current two-dimensional code 4 information, the system identifies and checks the coordinate position in the defect detection map where the two-dimensional code 4 is located, when the system identifies the preset cutting starting point two-dimensional code 4, the equipment transmits the steel plate by a fixed value, realizes that the center of the starting point two-dimensional code 4 accurately falls on the cutting position, and finally realizes the determination of the first cutting point.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A coding positioning and identification device, characterized in that: It includes a continuous inkjet positioning component and an inkjet recognition component. The continuous inkjet positioning component includes a controller (2), a coupling (1), a transmission steel roller (3), a sliding rod (7), an ink cartridge (6), and a printhead (5). The sliding rod (7), the ink cartridge (6), and the printhead (5) form an inkjet device. The inkjet recognition component includes a controller (31) and a reading and recognition area array camera (32). The continuous inkjet positioning assembly is installed between the color coating line winding looper and the winding machine. The inkjet device is parallel to the steel plate. The continuous inkjet positioning assembly is controlled by controller 1 (2). The coupling (1) is installed on the transmission equipment to obtain the real-time position. The surface inspection equipment shares the same coupling (1) and encoder with the continuous inkjet positioning assembly. The movable slide rod (7) is equipped with ink cartridges (6) arranged in a linear array. The printhead (5) is set in correspondence with the ink cartridges (6). The inkjet printing recognition component is installed between the cross-cutting line uncoiler and the leveler. The controller 2 (31) controls the reading recognition area array camera (32) and is located below the reading recognition area array camera (32) to form an imaging acquisition area (33). The bottom of the ink cartridge (6) is equipped with a conveyor box (8), and the conveyor box (8) and the ink cartridge (6) are connected by a discharge port (14). A flexible tube (9) connected to the inside of the conveyor box (8) is installed on one side, and the print head (5) is installed at the end of the flexible tube (9). An extrusion plate (12) is slidably installed inside the conveyor box (8), and a movable ring (11) is fixedly connected to the side of the extrusion plate (12) away from the flexible tube (9). A container (15) is fixedly installed at the top of the movable ring (11) and slides close to the inner wall of the top of the conveyor box (8). The container (15) is fixedly connected to the side of the extrusion plate (12) away from the flexible tube (9), and a feed port (16) with the same size as the discharge port (14) is opened at the top of the container (15). A guide port (29) connected to the side of the container (15) near the extrusion plate (12) and on the extrusion plate (12) is opened.

2. The inkjet printing positioning and identification device according to claim 1, characterized in that: The bottom inner wall of the container (15) is inclined, and the inclination direction is towards the feed inlet (29).

3. The inkjet printing positioning and identification device according to claim 1, characterized in that: A transmission rod (24) is rotatably mounted on the side of the delivery box (8) away from the hose (9), and a drive assembly is provided between one end of the transmission rod (24) and the movable ring (11).

4. The inkjet printing positioning and identification device according to claim 3, characterized in that: The drive assembly includes a drive column (27) fixedly installed at one end of the transmission rod (24) inside the conveyor box (8). The drive column (27) rotates inside the movable ring (11). The movable ring (11) has two symmetrically distributed through holes, and a driven rod (25) is installed inside the through holes. The drive column (27) has a drive groove (28) for driving the driven rod (25) to reciprocate in the horizontal direction.

5. The inkjet printing positioning and identification device according to claim 4, characterized in that: The end of the driven rod (25) away from the drive column (27) is fixedly connected to a limiting block (23), and the inner wall of the conveying box (8) is provided with a limiting groove (30) for the limiting block (23) to slide.

6. The inkjet printing positioning and identification device according to claim 1, characterized in that: The side of the extrusion plate (12) near the movable ring (11) is fixedly connected to the inner wall of the conveying box (8) with a set of return spring rods (13) arranged in a ring array.

7. The inkjet printing positioning and identification device according to claim 3, characterized in that: A bidirectional reciprocating screw (17) is rotatably installed between the inner walls of the two sides of the ink cartridge (6). A transmission assembly is provided between the bidirectional reciprocating screw (17) and the transmission rod (24). Two movable blocks (22) with symmetrical distribution and square cross-section are screwed onto the rod body of the bidirectional reciprocating screw (17). A mounting plate (19) is fixedly connected to the four sides of the movable block (22). A driven ring (20) is rotatably installed on one side of the mounting plate (19). A stirring plate (21) with a ring array is fixedly connected to the outer circumference of the driven ring (20). Four bidirectional drive screws (18) with a ring array are fixedly connected between the inner walls of the two sides of the ink cartridge (6). The bidirectional drive screws (18) and the mounting plate (19) are slidably connected through each other. The bidirectional drive screws (18) and the driven ring (20) are threadedly connected through each other.

8. The inkjet printing positioning and identification device according to claim 7, characterized in that: The transmission assembly includes a first transmission wheel (10) fixedly installed at the end of the transmission rod (24) and a second transmission wheel (26) fixedly sleeved on the body of the bidirectional reciprocating screw (17) and connected to the first transmission wheel (10) via a transmission belt.

Images