Intelligent printing system

Abstract

The present application relates to the technical field of printing equipment, and discloses a printing system, which comprises a printer body provided with an inner cavity, a winding frame arranged in the printer body, and a guide assembly arranged in the printer body, wherein the guide assembly comprises a support rotatably connected to the inner wall of the printer body, two cross bars rotatable about the rotation shaft of the support, a driving guide wheel fixedly sleeved on the outer portion of one of the cross bars, and a driven guide assembly sleeved on the outer portion of the other cross bar and elastically movable along the radial direction of the cross bar, wherein the driven guide assembly is at least partially made of a magnetically conductive material. The present application has the advantage of being suitable for labels of different thicknesses, and solves the problem that the existing label printing equipment is preset with the thickness of labels between the transmission roller and the drum core, and when the thickness of the labels increases, the labels are easily stuck at the transmission roller, paper jamming is easily caused, and the failure rate during use is increased.

Description

Technical Field

[0001] This invention relates to the field of printing equipment technology, specifically to an intelligent printing system. Background Technology

[0002] Label printers are printers that do not require connection to a computer. They have built-in fonts, character sets, and a considerable number of label template formats, allowing users to directly input, edit, and format label content as needed before printing. They are widely used in offices, factories, warehouses, shopping malls, and many other places. The label guide rollers are extremely sensitive to label thickness. If the seams or thickness are uneven, the label may jam or stop. Therefore, it is necessary to prevent paper jams when feeding labels.

[0003] A search revealed Chinese utility model patent CN218767804U, which discloses a label printing device. The device includes a housing with grooves on opposite side walls of the housing's inner cavity. Sliding sliders are installed within these grooves, and springs connect the sliders to the groove walls. A rotatably connected guide roller is located between the two sliders. A drum core is also installed within the housing. The springs allow the guide roller to approach or abut against the drum core. The bottom surface of the label paper placement area within the housing is pressed firmly between the guide roller and the drum core by the springs, increasing the friction between the label paper and the guide roller during transport and helping to reduce paper jams during printing.

[0004] The above-mentioned device uses a spring to press the guide roller against the drum core. Although it can provide a certain degree of thickness adaptability, the lifting displacement of the guide roller is limited by the spring compression and structural space when the label thickness increases significantly due to the fixed preload of the spring. This can easily lead to paper jams and make it difficult to adapt to a wide range of label thickness changes. Summary of the Invention

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this invention provides an intelligent printing system that can adapt to labels of different thicknesses. It solves the problem that existing label printing equipment presets the label thickness between the drive roller and the drum core, which can easily cause the label to get stuck at the drive roller when the label thickness increases, leading to paper jams and increasing the failure rate during use.

[0006] (II) Technical Solution To achieve the above objectives, the present invention provides the following technical solution: A printing system includes a printer body with an inner cavity, a winding carriage inside the printer body, and a guide assembly inside the printer body, the guide assembly comprising: The bracket is rotatably connected to the inner wall of the printer body, and the bracket is provided with two crossbars that rotate around their pivot axis; An active guide wheel is fixedly sleeved on the outside of one of the crossbars; A driven guide assembly is sleeved on the outside of another crossbar and moves elastically along the radial direction of the crossbar. The driven guide assembly is at least partially made of a magnetic material. The driven guide assembly and the active guide wheel are symmetrically arranged along the axis of rotation of the bracket. An electromagnet, fixed to the inner wall of the printer body, is used to selectively attract the magnetic part of the driven guide assembly to change the clamping force between the driven guide assembly and the active guide wheel. A limiting component, fixed to the inner wall of the printer body and extending below the driven guide component, is used to limit the lowest position of the driven guide component; The active guide wheel and the driven guide assembly press against the label from both sides of the label's thickness direction, causing the label to form a curved paper path between them.

[0007] Furthermore, the driven guiding component includes: A metal ring is fitted over the outside of the crossbar; A ring frame is disposed between a crossbar and a metal ring. The ring frame includes an integrally formed ring body and a protrusion. The protrusion is fixedly connected to the inner wall of the metal ring. The ring body has multiple circular holes. An elastic support member, the first end of which is fixedly connected to the crossbar, and the second end of which passes through the circular hole and extends to the outside of the ring body; The metal ring is detachably supported on the second end of the elastic support, and the inner wall of the metal ring slides in contact with the outer wall of the elastic support.

[0008] Furthermore, the elastic support includes a spring fixedly connected to the crossbar, and a round rod is fixedly connected to the end of the spring away from the crossbar. The round rod slides through the round hole, and the outer wall of the round rod slides in contact with the inner wall of the metal ring.

[0009] Furthermore, the limiting component includes: There are two side panels, which are fixed to the inner wall of the printer body by crossbars; An arc-shaped base plate is fixedly connected to the side plate, and the arc-shaped base plate extends below the driven guide assembly; The top plate is fixedly connected to the side plates; The pressure sensor is fixed to the top of the top plate, and the sensing end extends to the bottom of the top plate; A label channel is reserved between the curved bottom plate and the top plate. The label is pushed upward by the driven guide component and comes into contact with the detection end of the pressure sensor.

[0010] Furthermore, a horizontal plate is fixedly connected between the relative inner walls of the printer body, an electromagnet is mounted on the horizontal plate, and a magnetic shielding plate is fixedly connected to the side of the horizontal plate away from the winding frame.

[0011] Furthermore, the bottom of the horizontal plate has multiple notches, and a swing plate adapted to the notches is hinged to the bottom of the horizontal plate. The swing plate is made of silicon steel sheet, the lower half of the swing plate is a flat plate, and the upper half is an arc plate. A longitudinal block adapted to the notches is fixedly connected to the bottom of the electromagnet. The longitudinal block extends into the notches and is detachably supported on the upper half of the swing plate. The longitudinal block is in sliding contact with the swing plate.

[0012] Furthermore, an exhaust fan is installed on one side of the bracket, with the exhaust fan's outlet facing the internal space of the driven guide assembly. A motor is fixedly connected to the bracket, and the motor is used to drive the active guide wheel to rotate.

[0013] Furthermore, an inner ring is slidably connected inside the metal ring, one end of the inner ring extends to the side of the metal ring near the label, and an annular baffle is fixedly connected to the end of the inner ring located outside the metal ring.

[0014] (III) Beneficial Effects Compared with the prior art, the present invention provides an intelligent printing system with the following advantages: 1. This intelligent printing system, through its designed guide components, allows labels of different thicknesses to be clamped and limited by a driven guide component and an active guide wheel that rotate at a certain angle. This adapts to labels of varying thicknesses. Furthermore, the two guide wheels are now staggered instead of facing each other, ensuring the label adheres to the roller's curved surface. This provides both pressure and bending tension during paper feeding. When a joint or thick spot passes, the label adjusts its bending angle to accommodate the thickness change, preventing it from forcibly pushing off the roller. This solves the problem in existing label printing equipment where the thickness of the label is preset between the drive roller and the drum core, leading to jamming as the label thickness increases, thus increasing the failure rate.

[0015] 2. This intelligent printing system, through its set driven guide components, can adapt to labels of different thicknesses for guidance and positioning. At the same time, it can automatically adjust to tighten the label when it is loose, so that the label can be guided and positioned at a greater bending angle, thus preventing the label from becoming loose during the paper feeding process.

[0016] 3. This intelligent printing system, through its set limiting components, can automatically monitor the range of label guidance and limitation, preventing the label from bending excessively after being pressed, thus keeping the label within a suitable bending range and improving the intelligence level of the printing system.

[0017] 4. This intelligent printing system, through the setting of electromagnets, horizontal plates, swing plates and vertical blocks, can automatically adjust the magnetic attraction of the electromagnets on the metal ring. When the magnetic force of the electromagnets is too strong, it automatically blocks the magnetic field of the electromagnets on the metal ring in some areas, thereby preventing the metal ring from continuously rising and squeezing and bending the label, so that the bending angle of the label is always maintained within a certain range.

[0018] 5. This intelligent printing system, through the installation of an exhaust fan, inner ring, and annular baffle, achieves automatic label correction and accelerates airflow on the label surface, reducing dust adhesion. Attached Figure Description

[0019] Figure 1 This is an internal cross-sectional view of the printer of the present invention.

[0020] Figure 2 This is a perspective view of the winding frame and guide assembly of the present invention.

[0021] Figure 3 This is a left view of the winding frame and guide assembly of the present invention.

[0022] Figure 4 This is a schematic diagram of the driven guide component, electromagnet, and limiting component of the present invention.

[0023] Figure 5 This is a partially enlarged view of the driven guide component of the present invention.

[0024] Figure 6 This is a schematic diagram of the limiting component of the present invention.

[0025] Figure 7 This is a partially enlarged view of the electromagnet and the swing plate of the present invention.

[0026] Figure 8 This is a schematic diagram of the structure of the metal ring of the present invention.

[0027] In the diagram: 1. Printer body; 2. Winding frame; 3. Guide assembly; 31. Bracket; 32. Active guide wheel; 33. Driven guide assembly; 331. Metal ring; 332. Ring frame; 333. Elastic support; 34. Electromagnet; 35. Limiting assembly; 351. Side plate; 352. Arc-shaped bottom plate; 353. Top plate; 354. Pressure sensor; 4. Horizontal plate; 5. Magnetic shielding plate; 6. Swing plate; 7. Longitudinal block; 8. Exhaust fan; 9. Motor; 10. Inner ring; 11. Annular baffle. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0030] In addition, a fixed connection refers to a connection in which parts or components are fixed and there is no relative movement; a transmission connection refers to a connection in which mechanical motion or torque is transmitted to other working parts through a transmission component; a sliding connection refers to a connection in which two objects are in contact but not fixed and can slide relative to each other; and a rotational connection refers to a connection in which two objects are in contact but not fixed and can rotate relative to each other.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0032] Example 1: This embodiment provides an intelligent printing system with the following technical features.

[0033] Please see Figures 1-6A printing system includes a printer body 1 with an inner cavity, a winding carriage 2 inside the printer body 1, and a guide assembly 3 inside the printer body 1. The guide assembly 3 includes a bracket 31, an active guide wheel 32, a driven guide assembly 33, an electromagnet 34, and a limiting assembly 35. The bracket 31 is rotatably connected to the inner wall of the printer body 1 and has two crossbars that rotate around their axes. The active guide wheel 32 is fixedly sleeved on the outside of one of the crossbars. The driven guide assembly 33 is sleeved on the outside of the other crossbar and moves elastically along the radial direction of the crossbar. The driven guide assembly 33 is at least partially made of a magnetic material. Made of material, the driven guide assembly 33 and the active guide wheel 32 are symmetrically arranged along the rotation axis of the bracket 31; the electromagnet 34 is fixed to the inner wall of the printer body 1 and is used to selectively attract the magnetic part of the driven guide assembly 33 to change the clamping force between the driven guide assembly 33 and the active guide wheel 32; the limiting assembly 35 is fixed to the inner wall of the printer body 1 and extends to the bottom of the driven guide assembly 33 to limit the lowest position of the driven guide assembly 33; wherein, the active guide wheel 32 and the driven guide assembly 33 press against the label from both sides in the thickness direction of the label, so that the label forms a curved paper path between the two.

[0034] Working principle: The label is wound onto the winding frame 2, and then pulled through between the active guide wheel 32 and the driven guide assembly 33. The active guide wheel 32 and the driven guide assembly 33 are located above and below the label, respectively. The limiting assembly 35 supports the driven guide assembly 33 from the bottom, limiting the lowest position of the driven guide assembly 33. After the electromagnet 34 is activated, it generates a magnetic attraction to the driven guide assembly 33, causing the driven guide assembly 33 to rise. During the rising process, the driven guide assembly 33 drives the active guide wheel 32 to rotate clockwise through the bracket 31 until the driven guide assembly 33 presses against the label from the bottom, while the active guide wheel 32 presses against the label from the top. This causes the label to be pressed at two points, resulting in a curved paper path. After being stopped by the label during rotation, the driven guide component 33 and the active guide wheel 32 stop rotating, allowing labels of different thicknesses to be clamped and stopped by the driven guide component 33 and the active guide wheel 32, which rotate at a certain angle. This allows labels of different thicknesses to pass through. Moreover, the two guide wheels are changed from being set opposite to being set separately, so that the label is attached to the arc surface of the roller. This gives the label both pressure and bending tension during paper feeding. When a joint or thick spot passes by, the label will change its bending angle to adapt to the thickness change, instead of forcibly pushing the roller away. This solves the problem in existing label printing equipment where the thickness of the label between the drive roller and the drum is preset. When the thickness of the label increases, it is easy for the label to get stuck at the drive roller, which can easily cause paper jams and increase the failure rate during use.

[0035] Meanwhile, because the label is attached to the curved surface of the roller, the contact area between the label and the guide wheel is increased when the label passes through. This not only increases the friction between the label and the roller, making the label position more stable when passing through, but also distributes the friction between the label and the roller over a larger area, which can better protect the coating on the label surface from being scratched.

[0036] Please see Figure 5 The driven guide assembly 33 includes a metal ring 331, an annular frame 332, and an elastic support 333. The metal ring 331 is sleeved on the outside of the crossbar. The annular frame 332 is located between the crossbar and the metal ring 331. The annular frame 332 includes an integrally formed ring body and a protrusion. The protrusion is fixedly connected to the inner wall of the metal ring 331. The ring body has multiple circular holes. The first end of the elastic support 333 is fixedly connected to the crossbar, and the second end passes through the circular hole and extends to the outside of the ring body. The metal ring 331 is detachably supported on the second end of the elastic support 333, and the inner wall of the metal ring 331 slides in contact with the outer wall of the elastic support 333. The elastic support 333 includes a spring fixedly connected to the crossbar. A round rod is fixedly connected to the end of the spring away from the crossbar. The round rod slides through the circular hole, and the outer wall of the round rod slides in contact with the inner wall of the metal ring 331.

[0037] Working principle: The magnetic force between the electromagnet 34 and the metal ring 331 attracts the metal ring 331 to move upwards. During the upward movement, the metal ring 331 drives the active guide wheel 32 to rotate through the elastic support 333 and the bracket 31 until the top of the metal ring 331 is blocked by the label and stops moving. The label is also bent by the pressure of the metal ring 331 and the active guide wheel 32. When the label is driven to pass over the driven guide component 33, friction is generated between the label and the surface of the metal ring 331, causing the metal ring 331 to rotate. During the rotation, the metal ring 331 moves along the surface of the round rod. When the label slacks, the limiting effect of the label on the metal ring 331 decreases, and the metal ring 331 continues to move upward until it re-tensions the label and presses it against the label. At this time, the bending range of the label increases. When replacing with a thicker label, the limiting effect of the label on the metal ring 331 is enhanced, so the rise of the metal ring 331 is reduced and it is limited by the label. It can adapt to labels of different thicknesses for guidance and limitation. At the same time, when the label slacks, it can automatically adjust to tighten the label, so that the label is guided and limited at a larger bending angle, avoiding the label from slack during the paper feeding process.

[0038] Please see Figure 6The limiting component 35 includes a side plate 351, an arc-shaped bottom plate 352, a top plate 353, and a pressure sensor 354. There are two side plates 351, which are fixed to the inner wall of the printer body 1 by a crossbar. The arc-shaped bottom plate 352 is fixedly connected to the side plate 351 and extends below the driven guide component 33. The top plate 353 is fixedly connected to the side plate 351. The pressure sensor 354 is fixed to the top of the top plate 353, and its detection end extends below the top plate 353. A label channel is reserved between the arc-shaped bottom plate 352 and the top plate 353. The label is pushed upward by the driven guide component 33 and comes into contact with the detection end of the pressure sensor 354.

[0039] Working principle: Before passing the driven guide assembly 33 and the active guide wheel 32, the label first passes through the limiting assembly 35. Specifically, the label passes between the arc-shaped base plate 352 and the top plate 353. During normal operation, the label is pushed upward a short distance by the driven guide assembly 33 and then stops moving. Therefore, the distance the label rises at the limiting assembly 35 is relatively small, and at this time, the label does not contact the pressure sensor 354. When the magnetic force of the electromagnet 34 is too strong, the metal ring 331 will continue to rise a short distance, pushing the label to bend upward to a greater extent. At this time, the distance the label is driven to rise at the limiting assembly 35 increases. The label comes into contact with the pressure sensor 354, generating a certain pressure on the pressure sensor 354. The pressure sensor 354 and the electromagnet 34 are connected to the same controller. When the pressure sensor 354 generates a pressure signal, the controller controls the electromagnet 34 to reduce the magnetic field strength. After the metal ring 331 is attracted by the magnetic force of the electromagnet 34 and the magnetic force is reduced, it is limited by the label and moves downward until the label no longer comes into contact with the pressure sensor 354. The system can automatically monitor the extent to which the label is guided and limited, preventing the label from bending too much after being pressed, and keeping the label within a suitable bending range, thus improving the intelligence of the printing system.

[0040] Example 2: This embodiment provides an intelligent printing system, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0041] Please see Figures 1-8 A horizontal plate 4 is fixedly connected between the inner walls of the printer body 1. An electromagnet 34 is installed on the horizontal plate 4. A magnetic shielding plate 5 is fixedly connected to the side of the horizontal plate 4 away from the winding frame 2. Multiple notches are opened at the bottom of the horizontal plate 4. A swing plate 6 adapted to the notches is hinged to the bottom of the horizontal plate 4. The swing plate 6 is made of silicon steel sheet. The lower half of the swing plate 6 is a flat plate and the upper half is an arc plate. A longitudinal block 7 adapted to the notches is fixedly connected to the bottom of the electromagnet 34. The longitudinal block 7 extends into the notches. The longitudinal block 7 can be detachably supported on the upper half of the swing plate 6, and the longitudinal block 7 slides in contact with the swing plate 6.

[0042] Working principle: Under its own gravity, electromagnet 34 presses down on the upper arc-shaped plate of swing plate 6 via longitudinal block 7, causing swing plate 6 to rotate clockwise around its hinge axis (see attached diagram). The lower plate of swing plate 6 then lifts upwards. When electromagnet 34 exerts a magnetic attraction on metal ring 331, it simultaneously experiences a downward magnetic reaction force. This reaction force is transmitted through longitudinal block 7 to the arc-shaped plate area of ​​swing plate 6, causing it to rotate further. The area of ​​its plate area blocking the notch in horizontal plate 4 increases, thus weakening the magnetic field of electromagnet 34 on metal ring 331. This creates negative feedback: the greater the magnetic force, the greater the blocking, limiting the further lifting of metal ring 331. When the attraction is too strong, not only does the upward attraction of the metal ring 331 increase, but the downward attraction of the electromagnet 34 to the metal ring 331 also increases. The force of the electromagnet 34 pushing the arc plate area downward through the longitudinal block 7 increases, thereby driving the swing plate 6 to rotate. This increases the area of ​​the swing plate 6 blocking the notch on the horizontal plate 4. Therefore, the force of the magnetic field of the electromagnet 34 acting on the metal ring 331 through the notch decreases. This can automatically adjust the magnitude of the magnetic attraction of the electromagnet 34 on the metal ring 331. When the magnetic force of the electromagnet 34 is too strong, it automatically blocks the magnetic field of the electromagnet 34 acting on the metal ring 331 in part of the area, thereby preventing the metal ring 331 from continuously rising and squeezing and bending the label, so that the bending angle of the label is always maintained within a certain range.

[0043] Please see Figure 2 , Figure 3 and Figure 8 An exhaust fan 8 is installed on one side of the bracket 31. The exhaust outlet of the exhaust fan 8 faces the internal space of the driven guide assembly 33. A motor 9 is fixedly connected to the bracket 31. The motor 9 is used to drive the active guide wheel 32 to rotate. An inner ring 10 is slidably connected inside the metal ring 331. One end of the inner ring 10 extends to the side of the metal ring 331 near the label. An annular baffle 11 is fixedly connected to the end of the inner ring 10 outside the metal ring 331.

[0044] Working principle: The exhaust fan 8 discharges the air inside the metal ring 331 to both ends. Air outside the metal ring 331, due to the pressure difference between the inside and outside of the metal ring 331, enters the metal ring 331 through the gaps between adjacent metal rings, achieving a circulation of air from the outside to the inside of the metal ring 331 and finally discharged from both ends. The motor 9 drives the active guide wheel 32 to rotate, thereby pulling the label to move. The motor 9 also acts as a counterweight. The shaft of the bracket 31 is located between the exhaust fan 8 and the motor 9 to achieve balance. The width of the label is adjusted accordingly. The inner ring 10 is inserted into the metal rings 331 on both sides of the label that are not covered by the label. The annular baffle 11 blocks the outer ring of the metal ring 331. At this time, the annular baffle 11 blocks the gap between two adjacent metal rings 331, preventing the label from being affected by the airflow driven by the exhaust fan 8. After the exhaust fan 8 is started, the air inside the metal ring 331 is discharged, forming a negative pressure. External air is drawn in from the gap between adjacent metal rings 331. This airflow will drive the label to move in the axial direction of the metal ring 331, thereby reducing the offset and shaking of the label during normal paper feeding.

[0045] When the label shifts to one side, a portion of the metal ring 331 that was originally covered by the label is exposed to the air. The annular baffle 11 corresponding to the metal ring 331 loses its shielding on the side closest to the label. When the airflow is drawn in from this point, it generates a lateral force, pushing the label back to its initial position. At the same time, the edge of the metal ring 331 is curved, allowing the label to be squeezed downwards from the side to pass through. After the label returns to its correct position, the metal ring 331 is covered again, and the airflow returns to balance. This structure enables automatic label correction and accelerates airflow on the label surface, reducing dust adhesion.

[0046] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0047] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An intelligent printing system, comprising a printer body (1) having an inner cavity, wherein a winding frame (2) is provided inside the printer body (1), characterized in that, The printer body (1) is provided with a guide component (3), the guide component (3) including: The bracket (31) is rotatably connected to the inner wall of the printer body (1), and the bracket (31) is provided with two crossbars that rotate around their pivot axis; An active guide wheel (32) is fixedly sleeved on the outside of one of the crossbars; The driven guide assembly (33) is sleeved on the outside of another crossbar and moves elastically along the radial direction of the crossbar. The driven guide assembly (33) is at least partially made of magnetic material. The driven guide assembly (33) and the active guide wheel (32) are symmetrically arranged along the axis of rotation of the bracket (31). An electromagnet (34) is fixed to the inner wall of the printer body (1) to selectively attract the magnetic part of the driven guide assembly (33) to change the clamping force between the driven guide assembly (33) and the active guide wheel (32); A limiting component (35) is fixed to the inner wall of the printer body (1) and extends below the driven guide component (33) to limit the lowest position of the driven guide component (33); The active guide wheel (32) and the driven guide assembly (33) press against the label from both sides of the label's thickness direction, so that the label forms a curved paper path between them.

2. The intelligent printing system according to claim 1, characterized in that, The driven guide component (33) includes: A metal ring (331) is fitted onto the outside of the crossbar; A ring frame (332) is disposed between a crossbar and a metal ring (331). The ring frame (332) includes an integrally formed ring body and a protrusion. The protrusion is fixedly connected to the inner wall of the metal ring (331). The ring body has multiple round holes. The elastic support (333) has a first end fixedly connected to the crossbar, and a second end passing through the circular hole and extending to the outside of the ring body; The metal ring (331) is detachably supported on the second end of the elastic support (333), and the inner wall of the metal ring (331) slides in contact with the outer wall of the elastic support (333).

3. The intelligent printing system according to claim 2, characterized in that, The elastic support (333) includes a spring fixedly connected to the crossbar, and a round rod is fixedly connected to one end of the spring away from the crossbar. The round rod slides through the round hole, and the outer wall of the round rod slides in contact with the inner wall of the metal ring (331).

4. The intelligent printing system according to claim 1, characterized in that, The limiting component (35) includes: There are two side panels (351), which are fixed to the inner wall of the printer body (1) by crossbars; An arc-shaped base plate (352) is fixedly connected to a side plate (351), the arc-shaped base plate (352) extending below the driven guide assembly (33); The top plate (353) is fixedly connected to the side plate (351); A pressure sensor (354) is fixed to the top of the top plate (353), and the sensing end extends to the bottom of the top plate (353); A label channel is reserved between the arc-shaped bottom plate (352) and the top plate (353). The label is pushed upward by the driven guide component (33) and comes into contact with the detection end of the pressure sensor (354).

5. The intelligent printing system according to claim 1, characterized in that, A horizontal plate (4) is fixedly connected between the inner walls of the printer body (1). An electromagnet (34) is installed on the horizontal plate (4). A magnetic shielding plate (5) is fixedly connected to the side of the horizontal plate (4) away from the winding frame (2).

6. The intelligent printing system according to claim 5, characterized in that, The bottom of the horizontal plate (4) has multiple notches. The bottom of the horizontal plate (4) is hinged with a swing plate (6) that matches the notches. The swing plate (6) is made of silicon steel sheet. The lower half of the swing plate (6) is a flat plate and the upper half is an arc plate. The bottom of the electromagnet (34) is fixedly connected with a longitudinal block (7) that matches the notches. The longitudinal block (7) extends into the notches. The longitudinal block (7) can be detachably supported on the upper half of the swing plate (6), and the longitudinal block (7) slides in contact with the swing plate (6).

7. The intelligent printing system according to claim 2, characterized in that, An exhaust fan (8) is installed on one side of the bracket (31), and the exhaust fan (8) has its outlet facing the internal space of the driven guide assembly (33). A motor (9) is fixedly connected to the bracket (31), and the motor (9) is used to drive the active guide wheel (32) to rotate.

8. The intelligent printing system according to claim 7, characterized in that, An inner ring (10) is slidably connected inside the metal ring (331). One end of the inner ring (10) extends to the side of the metal ring (331) near the label. An annular baffle (11) is fixedly connected to the end of the inner ring (10) outside the metal ring (331).

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