An inkjet stamp, method of operation and intelligent stamping robot

Abstract

The application provides an intelligent stamping robot and an ink-jet stamp thereof, which has a stamp rear part, a stamp front part, a stamp movable part, a stamp printing installation part, a printing adjustment driving part, a tension part, a stamp clamping frame and a stamp shell. If it is needed to reduce the distance between the printing heads of the ink-jet stamp, the conductor ring of the printing adjustment driving part is electrified to make the arc-shaped magnet move; the stamp movable part rotates in the direction of the movement of the arc-shaped magnet, and the stamp printing installation part moves forward through the printing installation part adjustment movement body which is inserted into the arc-shaped slot of the stamp movable part. By using the above structure and operation method, the difficulty and precision of the assembly of the ink-jet stamp can be greatly reduced, the required stamping effect can be debugged only by adjusting the distance between the printing heads, the intelligent degree is high, and the manufacturing cost is reduced.

Description

Technical Field

[0001] This invention belongs to the field of intelligent office equipment technology, specifically relating to an inkjet stamp and its operation method, and an intelligent stamping robot with an inkjet stamp, and is classified under IPC category B41J2 / 01. Background Technology

[0002] Seals are widely used in daily business activities, often in company transactions and in special scenarios during various application and approval processes. The use of seals is often closely related to the economic interests and even legal actions of the seal owner. Therefore, relevant information regarding the use of seals is crucial for the seal owner.

[0003] Among existing types of seals, inkjet seals are increasingly recognized by users due to their combination of traditional seal concepts and modern inkjet printing technology. They offer advantages such as portability, timeliness, versatility, intelligence, and customizability. Figure 1 The image shows a gear-driven stamp printer according to prior art CN113561661A, comprising a housing, inside which are a battery and an ink cartridge. A printhead is located at the bottom of the ink cartridge. Inside the housing are a motor, a gear ring, and an ink cartridge holder. The motor is located diagonally above the ink cartridge holder and electrically connected to the main control circuit board. A gear is mounted on the drive end of the motor, meshing with the gear ring. The gear ring is coaxially arranged with and fixed to the top of the ink cartridge holder. The ink cartridge is housed within the ink cartridge holder, and a rotating structure is provided in the gap between the ink cartridge holder and the housing, allowing the ink cartridge holder to be rotatably connected to the housing via this rotating structure. This prior art effectively reduces the number of internal components, further minimizing the printer's size, making it more compact and lightweight. The printer's power output process does not require a power transmission connection device, reducing energy loss during power transmission and increasing battery life. In the field of intelligent stamping, devices with functions such as automatic page turning, high-speed stamping, and intelligent identity recognition have emerged. For example, patent CN119239152A describes a self-service stamping robot page turning device; CN110328977 describes an automatic stamping robot that uses a suction component to adhere paper to the surface of a drive turntable, achieving stamping while the paper is being transported. Another example is the existing technology CN217099440U, which discloses an intelligent stamp with coding functionality. When the stamp is used, a coding machine works simultaneously, directly coding the stamp's issuance time or the person stamping it onto the edge of the stamp, facilitating stamp management. With social progress and continuous technological development, the manufacturing level and processes of inkjet stamps have greatly improved in modern society. However, existing inkjet stamps generally have a fixed printing distance, which requires precise control and installation of the inkjet stamp printhead position during assembly, undoubtedly increasing the accuracy and difficulty of assembly. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is how to reduce the assembly difficulty of inkjet stamps, so that the ink jet distance of the print head of the inkjet stamp can be adjusted arbitrarily according to the actual situation after only a relatively general installation, thereby adapting to different stamping needs and reducing assembly requirements.

[0005] To address this, the present invention proposes an inkjet stamp, comprising: a stamp rear portion having a mounting hole; a stamp movable portion rotatably mounted in the stamp rear portion; a stamp printing mounting portion installed inside the stamp movable portion and movable back and forth according to the rotation direction of the stamp movable portion; a stamp front portion disposed on the front side of the stamp rear portion and supporting the stamp movable portion; a printing adjustment drive portion disposed between the stamp front portion and the stamp movable portion and driving the stamp movable portion to rotate in any circumferential direction; a tension portion disposed on the front side of the stamp front portion and acting on the stamp printing mounting portion along the inkjet stamp axial direction; and a stamp holder frame for fixing the tension portion to the stamp front portion; characterized in that the inkjet stamp further comprises a stamp housing, the stamp housing being detachably mounted to the stamp rear portion, and the center of the stamp housing being disposed at a central hole corresponding to the mounting hole.

[0006] Furthermore, the movable part of the stamp is provided with several arc-shaped grooves evenly distributed around its circumference, and the stamp printing mounting part is provided with several printing mounting part adjustment moving bodies evenly distributed around its circumference. The arc-shaped grooves and the printing mounting part adjustment moving bodies can slide and cooperate with each other, and the arc-shaped grooves have the same shape and opening angle.

[0007] Furthermore, the movable part of the seal is provided with a plurality of rolling element receiving parts evenly distributed around its circumference, and the rear part and the front part of the seal are provided with a plurality of rear rolling grooves and a front rolling groove corresponding to the rolling element receiving parts. A plurality of spherical rolling elements are slidably or rollingly disposed in the space formed by the plurality of rolling element receiving parts, the plurality of rear rolling grooves and the plurality of front rolling grooves.

[0008] Furthermore, a portion of the spherical rolling element protrudes from the rolling element receiving portion and can rotate freely within the rolling element receiving portion.

[0009] Furthermore, the stamp printing mounting part is slidably guided, thereby enabling the stamp printing mounting part to move to a position between the stamp card frame and the rear of the stamp.

[0010] Furthermore, the tension section has two triangular mounting bodies, a tension ring, and a receiving clip.

[0011] Furthermore, the triangular mounting body is provided with fixing holes, and the triangular mounting body is installed on the corresponding fixing post on the front circumferential side of the front part of the stamp through the fixing holes; the tension ring is provided with several annular lugs along the circumferential direction, and several mounting flange blocks of the stamp printing mounting part are engaged with the annular lugs.

[0012] Furthermore, the receiving card connects the tension ring to the triangular mounting body, and the receiving card is symmetrically arranged on both sides of the tension ring. When the tension ring acts on the stamp printing mounting part, the generated force acts evenly on the stamp printing mounting part.

[0013] The present invention also relates to an operating method of an inkjet stamp. If it is necessary to reduce the spacing between the printheads of the inkjet stamp, energizing the conductor ring of the print adjustment drive unit generates a force between the arc-shaped magnet and the conductor ring, causing the arc-shaped magnet to move. The movable part of the stamp rotates in the direction of the movement of the arc-shaped magnet, and the stamp printing mounting part moves forward through the printing mounting part adjustment motion body inserted into the arc-shaped groove of the movable part of the stamp printing mounting part.

[0014] Furthermore, the electromagnetic effect transmitter detects the changing magnetic strength of the arc-shaped magnet as its position changes, and transmits the detection signal to the control module for the inkjet stamp; the control module controls the forward movement distance of the stamp printing mounting part based on the detection signal from the electromagnetic effect transmitter.

[0015] The present invention adopts the above structure, which can greatly reduce the difficulty and precision of inkjet stamp assembly. The desired stamping effect can be adjusted simply by adjusting the distance of the print head, thereby reducing manufacturing costs.

[0016] The present invention also relates to an intelligent stamping robot, including a control module and a stamping workbench, as well as the aforementioned inkjet stamp; the stamping workbench has an automatic paper feeding and feeding channel; the control module is used to receive and control the stamping workbench and the inkjet stamp according to voice commands.

[0017] The intelligent stamping robot equipped with the inkjet stamp of this invention can be applied to various stamping platforms and workbenches. It can be used with various control modules, has strong expandability, and improves the user experience of the intelligent stamping robot. Attached Figure Description

[0018] Figure 1 A structural diagram of an inkjet stamp in the prior art; Figure 2 This is an assembly diagram of the inkjet stamp housing provided by the present invention; Figure 3 Exploded view of the inkjet stamp casing provided by this invention; Figure 4 A schematic diagram of the installation state between the movable part of the inkjet stamp and the stamp printing mounting part in the inkjet stamp provided by the present invention. Figure 5 For along Figure 1 Sectional view VI-VI in the middle; Figure 6 This is a schematic diagram of an arc-shaped magnet. Detailed Implementation

[0019] 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.

[0020] Reference Figure 2-6 According to an embodiment of the present invention, an inkjet stamp 1 has a stamp rear part 10, a stamp front part 20, a stamp movable part 30, a stamp printing mounting part 40, a printing adjustment drive part 50, a tension part 60, a stamp frame 70, and a stamp housing 90.

[0021] The rear part 10 of the stamp is provided with a cavity 11 for movably mounting the movable part 30 of the stamp. An installation port 12 is provided in the cavity 11 for mounting or accommodating the inkjet stamp printing part. The printing part of the inkjet stamp is not shown in the figure, but those skilled in the art will understand that existing inkjet stamp printing structures, such as those described in the background art, can be used in this invention. A plurality of flange blocks 13 are evenly distributed around the cavity 11. These flange blocks guide the stamp printing mounting part 40, allowing the stamp printing mounting part 40 to adjust its movement distance along the installation port 12. A plurality of recessed clips 71 are evenly distributed around the stamp holder 70. The flange blocks 13 and the recessed clips 71 correspond and cooperate with each other, thereby restricting the circumferential movement of the stamp printing mounting part 40.

[0022] The rear part 10 of the seal is provided with a plurality of guide posts 15 circumferentially arranged at its front end, and the front part 20 of the seal is provided with a plurality of corresponding guide sleeves 27 at its rear end. The plurality of guide posts 15 and the plurality of guide sleeves 27 are guided and inserted into each other. The outer side of the rear part 10 of the seal is provided with a plurality of snap-fit ​​blocks 17, and the seal housing 90 is provided with a plurality of corresponding snap-fit ​​interfaces 91. The plurality of snap-fit ​​blocks 17 and the plurality of snap-fit ​​interfaces 19 are detachably assembled.

[0023] The rear part 10 of the seal is provided with a plurality of rear rolling grooves 19 evenly distributed circumferentially on its inner side. The rear rolling grooves 19 cooperate with a plurality of front rolling grooves 23 provided on the front part 20 of the seal to support a plurality of spherical rolling elements 39 in a rolling manner.

[0024] The front part 20 and the rear part 10 of the seal are detachably connected and installed. A triangular mounting body 21 for mounting silicon steel sheets 55 is provided on a portion of the inner side of the front part 20. The remaining portion of the front part 20 is configured as a plurality of front rolling grooves 23 that guide the plurality of spherical rolling elements 39. The shapes of the front rolling grooves 23 and the rear rolling grooves 19 correspond and match each other.

[0025] The movable part 30 of the stamp is cylindrical and rotatably disposed in the cavity 11 of the rear part 10 of the stamp. The movable part 30 of the stamp allows the stamp printing mounting part 40 installed therein to move in the back-and-forth direction, thereby adjusting it to a suitable position.

[0026] The movable part 30 of the stamp is provided with a fixed interface 31 for the arc-shaped magnet 51 of the printing adjustment drive part 50 to be inserted and engaged, and three arc-shaped grooves 33 on its outer circumference. The three arc-shaped grooves 33 are arranged at the same direction and angle on the outer circumference of the movable part 30 of the stamp, and several printing installation adjustment motion bodies 41 of the stamp printing installation part 40 are slidably inserted into them. The movable part 30 of the stamp is provided with several guide sleeves 35 at its front end so that the printing installation adjustment motion bodies 41 can be smoothly inserted into the arc-shaped grooves 33, and the guide sleeves 35 are in communication with each of the arc-shaped grooves 33.

[0027] The movable part 30 of the stamp has a plurality of rolling element receiving portions 37 spaced outwardly on its circumferential side. Each of the rolling element receiving portions 37 houses a spherical rolling element 39, and a portion of the spherical rolling element 39 protrudes from the rolling element receiving portion 37 and can rotate freely within it. The protruding portion of the spherical rolling element 39 from the rolling element receiving portion 37 can slide or roll within the rear rolling groove 19 of the rear part 10 and the front rolling groove 23 of the front part 20 of the stamp. Thus, the movable part 30 of the stamp can rotate in either direction within the cavity 11 of the rear part 10 and inside the front part 20 of the stamp using the spherical rolling element 39.

[0028] As will be apparent to those skilled in the art, the rolling element receiving portion 37, the rear rolling groove 19, and the front rolling groove 23 together constitute a structure similar to a ball bearing in the mechanical field. Therefore, the spherical rolling elements 39 can be set and assembled with clearances according to certain tolerance fits. In this way, when the pre-tension force is transmitted to the stamp printing mounting portion 40 through the tensioning portion, and the printing distance of the inkjet stamp needs to be adjusted, the current to the printing adjustment drive portion 50 is disconnected, and the stamp printing mounting portion 40 can then remain in the corresponding position. This will be described in more detail later.

[0029] The stamp printing mounting part 40 is cylindrical and is detachably and rotatably mounted together with the movable stamp part 30. The stamp printing mounting part 40 has a plurality of printing mounting part adjustment bodies 41, which are disposed on the outer circumferential side of the stamp printing mounting part 40 and are slidably inserted into the arc-shaped groove 33 of the movable stamp part 30. The rear side of the stamp printing mounting part 40 has a plurality of mounting part recesses 43, and the front side of the stamp printing mounting part 40 has a plurality of mounting part flanges 45. The mounting part recesses 43 can slide and engage with the flanges 13 of the rear part 10 of the stamp, and the mounting part flanges 45 can slide and engage with the recesses 71 of the stamp frame 70. Thus, when the movable stamp part 30 rotates in a certain direction, the stamp printing mounting part 40 can move along the axial direction of the stamp to adjust its position or distance.

[0030] The print adjustment drive unit 50 is disposed between the front part 20 of the stamp and the movable part 30 of the stamp, and uses electromagnetic induction to rotate the movable part 30 of the stamp in a certain direction until it reaches the corresponding position. The print adjustment drive unit 50 includes an arc-shaped magnet 51, a conductor ring 53, and a silicon steel sheet 55.

[0031] The arc-shaped magnet 51 is disposed in the fixed interface 31 of the movable part 30 of the stamp, and the arc of the arc-shaped magnet is the same as that of the movable part 30 of the stamp. The arc-shaped magnet 51 is manufactured according to actual assembly requirements. The inner arc surface and the outer arc surface of the arc-shaped magnet 51 are respectively magnetized as the corresponding N pole and S pole. On the surface of the arc-shaped magnet 51 facing the conductor ring, one side is magnetized as the N pole and the other side is magnetized as the S pole. On the opposite side, one side is magnetized as the S pole and the other side is magnetized as the N pole. In this way, four magnetic poles are respectively provided on the inner arc surface and the outer arc surface on both sides of the arc-shaped magnet 51, thereby enabling the magnetic field strength sensed by the electromagnetic effect transmitter H to vary basically uniformly within the magnetic field range F without distortion.

[0032] The conductor ring 53 is disposed on one side of the arc-shaped magnet 51 at a preset interval and is fixed by the fixing structure of the front part 20 of the stamp (not shown in the figure, but those skilled in the art will understand), or is fixedly disposed while being electrically connected to the flexible circuit board disposed inside the silicon steel sheet 55 (not shown in the figure, but those skilled in the art will understand).

[0033] The silicon steel sheet 55 is mounted on the triangular mounting body 21 of the silicon steel sheet at the front part 20 of the seal, and the width of the silicon steel sheet 55 is larger than the width of the conductor ring 53. This can expand the magnetic field and increase the magnetic field strength between the conductor ring 53 and the arc-shaped magnet 51.

[0034] The electromagnetic effect transmitter H is electrically connected to the flexible circuit board and is spaced apart at adjacent positions on the outer peripheral surface of the arc-shaped magnet 51. In this way, the electromagnetic effect transmitter H can be installed in the hole 53a of the conductor ring 53, thereby saving installation space and optimizing dimensions.

[0035] The tensioning part 60 is installed at the front end of the stamp front part 20. The tensioning part 60 is preferably a plate spring with elastic deformation, so that the tensioning part 60 can generate a predetermined tension on the stamp printing mounting part 40. The tensioning part 60 has a triangular mounting body 61, a tension ring 63, and a receiving clip 65.

[0036] The pair of triangular mounting bodies 61 are provided with fixing holes 62, and the triangular mounting bodies 61 are mounted on the corresponding fixing posts 25 on the front circumferential side of the front part 20 of the stamp through the fixing holes 62. The tension ring 63 is approximately circular and has a radial dimension corresponding to the stamp printing mounting part 40. The tension ring 63 is provided with several annular lugs 64 along the circumferential direction, and several mounting flange blocks 45 of the stamp printing mounting part 40 are engaged with the annular lugs 64. The receiving clips 65 connect the tension ring 63 to the triangular mounting bodies 61, and the receiving clips 65 are symmetrically arranged on both sides of the tension ring 63. In this way, when the tension ring 63 acts on the stamp printing mounting part 40, the force generated can be applied to the stamp printing mounting part 40 more evenly.

[0037] Therefore, when the inkjet stamp 1 is adjusting the printing distance or position, when the current to the conductor ring 53 of the printing adjustment drive unit 50 is disconnected, the stamp printing mounting part 40 is subjected to the force of the tension unit 60, and the forward and backward movement of the stamp printing mounting part 40 will naturally stop.

[0038] This is because, due to the frictional force generated by the contact between a portion of the inner circumferential surface of the plurality of arc-shaped grooves 33 of the movable part 30 of the stamp and the plurality of adjusting moving bodies 41 of the stamp printing mounting part 40, and the frictional force generated by the contact between the plurality of spherical rolling bodies 39 and the gaps in the spherical rolling body mounting space, the stamp printing mounting part 40 can naturally stop and remain in the corresponding position. Therefore, the present invention creatively solves the technical problem of adjusting the distance of the inkjet stamp printhead, and due to the creative adoption of the above structure, the present invention does not require continuous power supply to the printing adjustment drive part 50 to forcibly stop the stamp printing mounting part 40, thus significantly reducing battery power consumption and greatly improving the service life of the inkjet stamp.

[0039] The stamp frame 70 is disposed on the front side of the stamp front part 20, so that when the tension part 60 is disposed on the front side of the stamp front part 20, the tension part 60 can be fixed to the stamp front part 20. The stamp frame 70 is provided with a pair of fixing post mating holes 73 that engage with a pair of fixing posts 25 of the stamp front part 20.

[0040] In addition, the stamp card frame 70 is provided with a central hole 75, and a plurality of recessed cards 71 ​​are arranged around the central hole 75. The plurality of mounting flange blocks 45 of the stamp printing mounting part 40 are engaged with the recessed cards 71.

[0041] The stamp housing 90 is fixed to the foremost side of the inkjet stamp 1, thereby covering the stamp card frame 70, and the plurality of card interfaces 91 respectively engage with the card blocks 17 of the rear part 10 of the stamp. The stamp housing 90 is provided with a central hole 92 with a larger radial dimension, thereby covering the mounting opening 12 of the rear part 10 of the stamp.

[0042] The relevant operation process of this invention is as follows.

[0043] First, if it is necessary to reduce the spacing between the printheads of the inkjet stamp 1, the conductor ring 53 of the print adjustment drive unit 50 is energized. This generates a force between the arc-shaped magnet 51 and the conductor ring 53, causing the arc-shaped magnet 51 to move. The movable part 30 of the stamp rotates in the direction of the arc-shaped magnet 51's movement, and the print mounting part 40 moves forward via the print mounting part adjustment motion body 41, which is inserted into the arc-shaped groove 33 of the movable part 30. At this time, the electromagnetic effect transmitter H detects the changing magnetic strength of the arc-shaped magnet 51 as its position changes, and transmits the detection signal to the control module for the inkjet stamp (not shown in the figure, but understandable to those skilled in the art).

[0044] The control module controls the forward movement distance of the stamp printing mounting part 40 via the detection signal of the electromagnetic effect transmitter H. For example, when the forward movement distance of the stamp printing mounting part 40 is set, the current in the conductor ring 53 of the printing adjustment drive part 50 is disconnected. At this time, when the expected tension of the tension part 60 acts on the front end of the stamp printing mounting part 40, the stamp printing mounting part 40 stops at the appropriate position due to the frictional force generated between the arcuate groove 33 and the printing mounting part adjustment motion body 41, plus the frictional force generated due to the contact between the plurality of spherical rolling elements 39 and the gaps in the spherical rolling element mounting space, and the stamp printing mounting part 40 does not move forward or backward.

[0045] Conversely, if the inkjet stamp 1 needs to increase the spacing between the printheads, the current supplied to the conductor ring 53 will be in the opposite direction to that in the previous operation. This will generate a force between the conductor ring 53 and the arc-shaped magnet, also in the opposite direction to that in the previous operation, causing the movable part 30 of the stamp to rotate in the opposite direction, thereby moving the stamp printing mounting part 40 backward. Even when the stamp printing mounting part 40 moves backward, if the current in the conductor ring 53 is disconnected, the stamp printing mounting part 40 can be stopped in a suitable position due to the aforementioned pre-tension and friction.

[0046] As described above, in this invention, when the current supplied to the conductor ring 53 is disconnected to stop the stamp printing mount 40 at a predetermined position during spacing adjustment, the spherical rolling element 39 can stop moving while maintaining the predetermined position due to the pre-tension force applied to the stamp printing mount 40 by the tension member 60 and the frictional force generated by the movement of related components. Therefore, this invention creatively solves the technical problem of adjusting the distance of the inkjet stamp printhead. Furthermore, due to the creative adoption of the above structure, this invention does not require continuous power supply to the print adjustment drive 50 to forcibly stop the stamp printing mount 40, thus significantly reducing battery power consumption and greatly improving the lifespan of the inkjet stamp.

[0047] Another embodiment of the present invention also mentions an intelligent stamping robot, which includes a control module, a stamping workbench, and the inkjet stamp described in the aforementioned embodiments. The stamping workbench may have an automatic paper feed channel for convenient and quick operation. The control module may be a touch control or voice control module, or it may be remotely controlled via an APP or mini-program using a smartphone or other smart terminal. The control module is used to receive and control the stamping workbench and the inkjet stamp according to voice commands to achieve intelligent stamping. The intelligent stamping robot equipped with the inkjet stamp of the present invention can be applied to various existing stamping platforms and workbenches, and can be used in conjunction with various existing control modules, exhibiting strong scalability and improving the user experience of the intelligent stamping robot.

[0048] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

[0049] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "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.

[0050] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0051] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0053] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An inkjet stamp, comprising: The inkjet stamp comprises a rear part with a mounting hole, a movable part rotatably mounted in the rear part, a stamp printing mounting part installed inside the movable part and movable back and forth according to the rotation direction of the movable part, a front part of the stamp disposed on the front side of the rear part and supporting the movable part, a printing adjustment drive part disposed between the front part and the movable part and driving the movable part to rotate in any circumferential direction, a tension part disposed on the front side of the front part and acting on the stamp printing mounting part along the axial direction of the inkjet stamp, and a stamp holder frame for fixing the tension part to the front part of the stamp; characterized in that the inkjet stamp further comprises a stamp housing, the stamp housing being detachably mounted to the rear part of the stamp, and the center of the stamp housing being disposed at a central hole corresponding to the mounting hole.

2. The inkjet stamp according to claim 1, characterized in that, The movable part of the stamp has several arc-shaped grooves evenly distributed around its circumference, and the stamp printing mounting part has several printing mounting part adjustment moving bodies evenly distributed around its circumference. The arc-shaped grooves and the printing mounting part adjustment moving bodies can slide and cooperate with each other, and the arc-shaped grooves have the same shape and opening angle.

3. The inkjet stamp according to claim 2, characterized in that, The movable part of the seal is provided with a plurality of rolling element receiving parts evenly distributed around its circumference. The rear part and the front part of the seal are provided with a plurality of rear rolling grooves and a front rolling groove corresponding to the rolling element receiving parts. A plurality of spherical rolling elements are slidably or rollingly disposed in the space formed by the plurality of rolling element receiving parts, the plurality of rear rolling grooves and the plurality of front rolling grooves.

4. The inkjet stamp according to claim 3, characterized in that, A portion of the spherical rolling element protrudes from the rolling element receiving portion and can rotate freely within the rolling element receiving portion.

5. The inkjet stamp according to any one of claims 1 to 4, characterized in that, The stamp printing mounting part is slidably guided so that it can be moved to a position between the stamp card frame and the rear of the stamp.

6. The inkjet stamp according to claim 1, characterized in that, The tension section has two triangular mounting bodies, a tension ring, and a receiving clip.

7. The inkjet stamp according to claim 6, characterized in that, The triangular mounting body is provided with fixing holes, and the triangular mounting body is installed on the corresponding fixing post on the front circumferential side of the front part of the stamp through the fixing holes; the tension ring is provided with several annular lugs along the circumferential direction, and several mounting flange blocks of the stamp printing mounting part are engaged with the annular lugs.

8. The inkjet stamp according to claim 7, characterized in that, The receiving card connects the tension ring to the triangular mounting body, and the receiving card is symmetrically arranged on both sides of the tension ring. When the tension ring acts on the stamp printing mounting part, the generated force is evenly applied to the stamp printing mounting part.

9. The method of operating an inkjet stamp according to any one of claims 1-8, characterized in that, If the inkjet stamp needs to reduce the spacing between the printheads, energizing the conductor ring of the print adjustment drive unit will generate a force between the arc-shaped magnet and the conductor ring, causing the arc-shaped magnet to move. The movable part of the stamp rotates in the direction of the movement of the arc-shaped magnet, and the stamp printing mounting part adjusts the moving body to move forward by inserting the printing mounting part of the stamp printing mounting part into the arc-shaped groove of the movable part of the stamp.

10. The method for operating an inkjet stamp according to claim 9, characterized in that, The electromagnetic effect transmitter detects the changing magnetic strength of the arc-shaped magnet as its position changes, and transmits the detection signal to the control module for the inkjet stamp; the control module uses the detection signal from the electromagnetic effect transmitter to control the forward movement distance of the stamp printing mounting part.

11. An intelligent stamping robot, comprising a control module and a stamping workbench, characterized in that, It also includes the inkjet stamp according to any one of claims 1-8; The printing workbench is equipped with an automatic paper feed channel; The control module is used to receive and control the printing workbench and inkjet stamp according to voice commands.

Images