Cup body printing machine with positioning mechanism

Abstract

The invention discloses a cup body printing machine with a positioning mechanism, and belongs to the technical field of cup body printing machines, the cup body printing machine comprises a rack and a conveying device which is located in the rack and can convey cup bodies in different shapes, and further comprises two inner limiting mechanisms which can position the cup bodies in different shapes and are installed on the rack through air cylinders; the inner limiting mechanism is further provided with a self-adaptive adjusting assembly capable of automatically adjusting the clamping force according to cup bodies of different shapes. A printing mechanism is arranged between the inner limiting mechanism and the conveying device, the printing mechanism carries out coining on the cup body located on the inner limiting mechanism through a printing pressing block, and the shape of the inner wall of the printing pressing block is attached to the shape of the outer wall of the cup body. According to the cup body printing machine with the positioning mechanism, through the cooperation of the inner limiting mechanism and the self-adaptive adjusting assembly, the clamping force can be automatically adjusted according to the shapes and sizes of different cup bodies, stable clamping and positioning of the cup bodies are ensured, deformation of the cup bodies due to too large stress is avoided, and the printing quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cup printing machines, and in particular to a cup printing machine with a positioning mechanism. Background Art

[0002] Traditional cup printing equipment usually has some defects, mainly in that it cannot adapt to cups of different shapes and sizes, the pressure distribution during printing is uneven, and the printing quality is unstable. Most of the existing printing equipment relies on manual adjustment, which is inefficient and easily leads to fluctuations in product quality, making it difficult to meet the needs of efficient and stable production.

[0003] Most of the cup printing machines currently available on the market use a fixed-size positioning clamping mechanism, which can usually only adapt to standard cylindrical cups. For cups of different specifications and shapes, this equipment cannot automatically adjust, resulting in uneven distribution of clamping force during the printing process, thus affecting the printing effect. In addition, although some equipment is equipped with a limit mechanism, there are still limitations in adjusting the clamping force, and it is impossible to achieve adaptive adjustment for cups of different shapes and materials, which often causes the cup to be subjected to excessive force during the clamping process, resulting in deformation and affecting the printing quality.

[0004] Therefore, how to design a cup printing machine that can adapt to different cup shapes and sizes and maintain precise positioning and uniform clamping force during the printing process has become a key issue in the current technological development. Summary of the invention

[0005] The object of the present invention is to provide a cup printing machine with a positioning mechanism, which can automatically adjust the clamping force according to the shape and size of the cup through the cooperation of the internal limit mechanism and the adaptive adjustment component, thereby ensuring the stable clamping and positioning of the cup, avoiding the deformation of the cup due to excessive force, improving the printing quality, and solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a cup printing machine with a positioning mechanism, comprising a frame and a conveying device located inside the frame and capable of conveying cups of different shapes, and further comprising:

[0007] Two internal limiting mechanisms capable of positioning cups of different shapes, the internal limiting mechanisms being mounted on the frame via cylinders;

[0008] The inner limit mechanism is also provided with an adaptive adjustment component that automatically adjusts the clamping force according to the different shapes of cup bodies. The automatic adjustment function of this component can effectively adapt to cup bodies of different shapes and sizes, thereby improving the adaptability and flexibility of the machine.

[0009] A printing mechanism is arranged between the inner limit mechanism and the conveying device, and the printing mechanism prints the cup body positioned on the inner limit mechanism through a printing block, and the inner wall shape of the printing block fits the outer wall shape of the cup body. This design can ensure a high-precision printing effect and avoid the problems of error and asymmetric printing.

[0010] Preferably, the internal limiting mechanism includes a cup mold and a limiting plate. The limiting plate is distributed in a ring around the cup mold. The limiting plate is connected to the cup mold through an electric telescopic rod. The electric telescopic rod can accurately control the position of the limiting plate, thereby realizing efficient positioning and fixation of the cup body and improving the positioning accuracy.

[0011] Preferably, a mounting hole is opened at the upper end of the cup mold, and the mounting hole is a threaded hole. The threaded hole facilitates the connection with the cup mold, ensures that the cup mold is firmly fixed inside the machine, avoids looseness or instability caused by vibration, and also facilitates the disassembly and replacement of cup molds of different shapes.

[0012] Preferably, the inner limit mechanism also includes a visual recognition device for identifying cup bodies of different shapes, which is located at the bottom of the cup mold. The visual recognition device can detect the shape and position of the cup body in real time, ensuring that the inner limit mechanism can automatically recognize cup bodies of different shapes and make corresponding adjustments, thereby realizing a highly automated production process.

[0013] Preferably, the adaptive adjustment component includes a connecting tube, which is fixedly arranged on the limit plate, and a telescopic column is arranged on the side of the connecting tube away from the limit plate, and one end of the telescopic column is movably arranged in the connecting tube through a spring limit, and through the cooperation of the telescopic column and the spring, automatic adjustment of the clamping force is effectively realized, thereby avoiding manual intervention and improving production efficiency and automation.

[0014] Preferably, a rubber head is provided at the other end of the telescopic column, a pressure sensor is provided inside the connecting tube, and the pressure sensor is electrically connected to the external control system. The rubber head can ensure that the clamping of the cup body will not cause damage, and the feedback of the pressure sensor provides real-time pressure data for the control system to ensure the accuracy of the adjustment process.

[0015] Preferably, it also includes a driving box, in which a motor is installed, and a main gear is arranged on the output end of the motor. The motor drive design can provide sufficient power to ensure the efficient operation of the printing mechanism.

[0016] Preferably, the printing mechanism further comprises a disc, and two sides of the disc are respectively connected to the frame and the driving box through connecting parts, and the design of the connecting parts makes the connection between the printing mechanism and other components more stable.

[0017] Preferably, a gear plate is provided at the lower end of the disc, a guide groove is opened inside the gear plate, an opening groove is opened on the side wall of the driving box, and part of the main gear extends out of the opening groove and meshes with the gear plate. This transmission method ensures the precise meshing and transmission of the gears, and improves the transmission efficiency and accuracy.

[0018] Preferably, a sliding groove is opened inside the disc, a sliding block is fixedly arranged at the lower end of the printing block, and one end of the sliding block passes through the sliding groove and the guide groove in sequence and is connected to a stopper. The design of the sliding groove and the guide groove makes the movement of the printing block more stable.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The cup printing machine with a positioning mechanism proposed by the present invention can automatically adjust the clamping force according to the shape and size of different cups through the cooperation of the internal limit mechanism and the adaptive adjustment component, so as to ensure the stable clamping and positioning of the cup and avoid uneven printing. The visual recognition device of the internal limit mechanism can recognize the shape of the cup in real time, ensure the accurate docking of the cup mold with the corresponding cup, and further ensure the accurate positioning and stability during the printing process.

[0021] 2. The present invention proposes a cup printing machine with a positioning mechanism. Through the setting of a pressure sensor, it can monitor and adjust the clamping force of the limit plate in real time to ensure that different cups obtain uniform and appropriate clamping force, and the adaptive adjustment component can realize flexible clamping force adjustment. The cooperation between the telescopic column and the spring makes the clamping force more uniform and flexible. At the same time, the contact between the rubber head and the inner wall of the cup body can also achieve flexible adaptation to avoid damage or deformation to the cup body. In addition, the inner wall shape of the printing block fits the outer wall of the cup body. During the printing process, the forces inside and outside the cup body offset each other, avoiding the printing block from deforming the cup body. The printing accuracy is further improved, while ensuring the integrity of the appearance of the cup body.

[0022] 3. The cup printing machine with a positioning mechanism proposed in the present invention drives the transmission assembly through a motor, so that the sliding block drives the printing block to move accurately along a predetermined path. This design effectively ensures the precise positioning of the printing block, so that it is completely in contact with the outer wall of the cup body, avoiding position deviation during the printing process and improving the consistency and accuracy of the printing effect; because the printing block can accurately move toward the cup body as needed, and the pressure is evenly distributed during the moving together process, it can ensure that the pressure during the printing process will not be too large or too small, thus avoiding blurred or uneven printing and further ensuring the quality of the printing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the cup printing machine with a positioning mechanism of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the inner limit mechanism of the cup printing machine with a positioning mechanism of the present invention;

[0025] Figure 3 It is a bottom view structural schematic diagram of the inner limit mechanism of the cup printing machine with a positioning mechanism of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal structure of the self-adaptive adjustment component of the cup printing machine with a positioning mechanism of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the printing mechanism of the cup printing machine with a positioning mechanism of the present invention;

[0028] Figure 6 It is a schematic diagram of the internal structure of the driving box of the cup printing machine with a positioning mechanism of the present invention;

[0029] Figure 7 It is a bottom view structural schematic diagram of the printing mechanism of the cup body printing machine with a positioning mechanism of the present invention.

[0030] In the figure: 1. frame; 2. conveying device; 3. cylinder; 4. internal limit mechanism; 5. printing mechanism; 6. drive box; 7. adaptive adjustment component; 201. cup groove; 401. cup mold; 402. limit plate; 403. electric telescopic rod; 404. mounting hole; 405. visual recognition device; 501. disc; 502. sliding groove; 503. gear plate; 504. connecting part; 505. printing pressure block; 506. sliding block; 507. stop block; 508. guide groove; 601. opening groove; 602. main gear; 603. motor; 701. connecting tube; 702. telescopic column; 703. rubber head; 704. spring; 705. pressure sensor. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 7 , this embodiment provides the following technical solutions:

[0033] A cup printing machine with a positioning mechanism comprises a frame 1 and a conveying device 2 located inside the frame 1 and capable of conveying cups of different shapes. The conveying device 2 comprises a conveying frame, a conveyor belt installed on the conveying frame, and a driving mechanism. A cup groove 201 is provided on the conveyor belt for placing cups of different shapes to ensure that the cups are always in the correct direction and position during the conveying process, so that the cups can be located directly below the printing mechanism 5 and accurately clamped and positioned on the internal limit mechanism 4. The driving mechanism of the conveying device 2 can adjust the conveying speed according to production needs to ensure the high efficiency and smoothness of production. It also includes: two internal limit mechanisms 4 that can position cup bodies of different shapes. The internal limit mechanisms 4 are installed on the frame 1 through the cylinder 3. A mounting hole 404 is opened at the upper end of the cup mold 401. The mounting hole 404 is a threaded hole to realize the detachable and replaceable cup mold 401. The telescopic end of the cylinder 3 is threadedly fixed to the cup mold 401 through the mounting hole 404. The internal limit mechanism 4 can be driven to rise and fall by the drive of the cylinder 3 so that the cup body positioned outside can correspond to the printing position of the printing block 505.

[0034] A printing mechanism 5 is provided between the inner limiting mechanism 4 and the conveying device 2. The printing mechanism 5 prints the cup body positioned on the inner limiting mechanism 4 through the printing pressing block 505, and the inner wall shape of the printing pressing block 505 fits the outer wall shape of the cup body. In this embodiment, the cup mold 401 of the inner limiting mechanism 4 is divided into two types: cylindrical and conical. The two cup bodies of different shapes are positioned respectively, which can ensure that each cup body can remain stable during the printing process, avoid printing deviation caused by position offset or asymmetry, and help ensure the consistency and high quality of the printing effect.

[0035] The printing block 505 is made of aluminum alloy, and the pattern to be transferred is engraved on its surface. The pattern can be made on the block by laser engraving, chemical etching or other precision processing technology. When printing, a special ink is first applied to the surface of the block. The ink is usually evenly applied to the block by screen printing, offset printing or other methods. The recessed part of the pattern on the block will absorb the ink, while the non-recessed part will not adhere to the ink, and the block coated with ink will contact the outer wall of the cup body. During the printing process, the ink will be transferred from the pattern part of the block to the outer wall of the cup body, and the ink will form a clear pattern or text on the surface of the cup body.

[0036] The internal limiting mechanism 4 includes a cup mold 401 and a limiting plate 402. The limiting plate 402 is distributed in a ring around the cup mold 401. The limiting plate 402 is connected to the cup mold 401 through an electric telescopic rod 403. Through the telescopic movement of the electric telescopic rod 403, the limiting plate 402 can be driven to open in a direction away from the cup mold 401 until it contacts the inner wall of the cup body to form an internal clamp, thereby realizing the positioning of the cup body.

[0037] The inner limit mechanism 4 also includes a visual recognition device 405 for identifying cups of different shapes, which is located at the bottom of the cup mold 401. Cups of different shapes have different geometric characteristics, and the visual recognition device 405 inside the cup mold 401 can automatically recognize and position the two shapes of cups respectively, so as to meet the needs of different cups, so that the printing press can process cups of various shapes, thereby improving the flexibility and versatility of the printing press.

[0038] The visual recognition device 405 includes a camera, a light source, an image processing unit, a positioning system, a control system interface and a distance sensor, wherein:

[0039] The camera is used to take images or videos of the cup body, and can capture the details of the cup body, such as edges, shapes, surface features, etc.;

[0040] The light source is used to cooperate with the camera to clearly capture the shape and surface features of the cup body, thereby improving the image quality and avoiding the influence of shadow or reflection on recognition;

[0041] The image processing unit is used to receive and analyze image data from the camera. The geometric shape of the cup body is processed by an algorithm to extract information such as outline, size, angle, etc. The image processing technology of this embodiment adopts shape recognition;

[0042] The positioning system is used to determine the position of the cup body according to the recognized image information;

[0043] The visual recognition device 405 is usually connected to the control system of the printing press to automatically adjust the parameters of the equipment according to the recognized cup body information. Through the control system interface, the visual recognition device 405 can provide feedback to the control system to ensure the accuracy of the operation process;

[0044] The distance sensor is used to identify the height of the cup;

[0045] Through the cooperation of these structural components, the visual recognition device 405 can efficiently identify and locate cup bodies of different shapes, ensuring that the cup mold 401 of the printing press can handle products of a variety of different shapes, thereby improving the flexibility and versatility of the machine.

[0046] The inner limit mechanism 4 is also provided with an adaptive adjustment component 7 for automatically adjusting the clamping force according to the different shapes of the cup body. The adaptive adjustment component 7 includes a connecting tube 701, which is fixedly arranged on the limit plate 402. A telescopic column 702 is arranged on the side of the connecting tube 701 away from the limit plate 402. One end of the telescopic column 702 is movably arranged in the connecting tube 701 through a spring 704. A rubber head 703 is arranged at the other end of the telescopic column 702. A pressure sensor 705 is arranged inside the connecting tube 701, and the pressure sensor 705 is electrically connected to the external control system. The function of the telescopic column 702 is to adjust the telescopic force according to the different shapes and sizes of the cup body. The length of the telescopic column 702 will automatically adjust with the change of the shape of the cup body to ensure that the rubber head 703 can fit and clamp the cup body of different shapes. The telescopic column 702 is controlled by the spring 704 to limit the telescopic column 702 so that the telescopic column 702 can maintain a certain elasticity during the movement, so that the clamping force is more uniform and flexible, and excessive clamping is avoided. The rubber head 703 is located at the end of the telescopic column 702 and is responsible for contacting the inner wall of the cup body. Its rubber material provides good adaptability and can be flexibly adjusted according to the surface shape of the cup body to avoid deformation of the cup body and provide sufficient clamping force. The pressure sensor 705 is used to monitor the size of the clamping force in real time. When the shape of the cup body changes, the control system controls the extension and retraction of the electric telescopic rod 403 according to the pressure value sensed by it according to the feedback of the pressure sensor 705, and adjusts the opening degree of the limit plate 402. The telescopic column 702 automatically adjusts the telescopic length according to the movement of the limit plate 402, thereby adapting to the shape of the cup body and ensuring that the clamping force is appropriate and not too tight or too loose.

[0047] Through the cooperation of the inner limit mechanism 4 and the adaptive adjustment component 7, the clamping force can be automatically adjusted according to the shape and size of the cup body, ensuring the stable clamping and positioning of the cup body and avoiding uneven printing. The visual recognition device 405 of the inner limit mechanism 4 can recognize the shape of the cup body in real time, ensuring that the cup mold 401 is accurately docked with the corresponding cup body, further ensuring accurate positioning and stability during the printing process.

[0048] By setting the pressure sensor 705, the clamping force of the limit plate 402 can be monitored and adjusted in real time to ensure that different cups obtain uniform and appropriate clamping force, and the adaptive adjustment component 7 can realize flexible clamping force adjustment. The cooperation between the telescopic column 702 and the spring 704 makes the clamping force more uniform and flexible. At the same time, the contact between the rubber head 703 and the inner wall of the cup body can also achieve flexible adaptation to avoid damage or deformation to the cup body. In addition, the inner wall shape of the printing block 505 fits the outer wall of the cup body. During the printing process, the forces inside and outside the cup body offset each other, avoiding the printing block 505 from deforming the cup body. The printing accuracy is further improved, while the integrity of the appearance of the cup body is ensured.

[0049] The control system also supports operation through a touch screen or remote monitoring. Operators can adjust parameters through a simple interface, view equipment status in real time, and accurately monitor the production process. The increase in automation has greatly reduced the need for manual intervention, improved work efficiency, and reduced the errors that may be caused by manual operation.

[0050] The drive box 6 is also included. A motor 603 is installed inside the drive box 6 . A main gear 602 is provided on the output end of the motor 603 .

[0051] The printing mechanism 5 also includes a disc 501, and the two sides of the disc 501 are respectively connected to the frame 1 and the driving box 6 through connecting parts 504. A gear disc 503 is provided at the lower end of the disc 501, and a guide groove 508 is opened inside the gear disc 503. An opening groove 601 is opened on the side wall of the driving box 6, and a part of the main gear 602 extends out of the opening groove 601 and meshes with the gear disc 503.

[0052] A sliding groove 502 is provided inside the disc 501 , a sliding block 506 is fixedly provided at the lower end of the printing block 505 , and one end of the sliding block 506 passes through the sliding groove 502 and the guide groove 508 in sequence and is connected to a stopper 507 .

[0053] Through holes are provided inside the disc 501 and the gear disc 503 to facilitate the clamping of the cup body.

[0054] By starting the motor 603, its output end drives the main gear 602 to transmit, and the main gear 602 is meshed with the gear plate 503. The rotation of the gear plate 503 can drive the sliding block 506 to move along the guide groove 508. At the same time, under the limit of the sliding groove 502, the sliding block 506 drives the printing block 505 along the sliding groove 502 to get close to the cup body until it fits with the cup body to achieve embossing. The sliding block 506 cooperates with the sliding groove 502 and the guide groove 508, so that the printing block 505 can move accurately along the predetermined path, effectively ensuring the precise positioning of the printing block 505, so that it fits completely with the cup body, and ensures the high quality and consistency of the printing effect. Since the printing block 505 can accurately get close to the cup body and can apply appropriate pressure as needed, it is ensured that the pressure is evenly distributed during the printing process, thereby greatly improving the printing quality and avoiding the occurrence of blurred or uneven printing.

[0055] The motor 603 in the driving box 6 drives the disc 501 to rotate through the synergistic effect of the main gear 602 and the gear plate 503, and drives the printing block 505 to move along a predetermined track, accurately bringing the printing block 505 close to the cup body until it is completely fitted. This process is ensured by the cooperation of the sliding block 506 and the guide groove 508 to ensure that the printing block 505 moves accurately along the predetermined track.

[0056] The transmission assembly is driven by the motor 603, so that the sliding block 506 drives the printing block 505 to move accurately along a predetermined path. This design effectively ensures the precise positioning of the printing block 505, so that it fits perfectly with the outer wall of the cup body, avoids positional deviation during the printing process, and improves the consistency and accuracy of the printing effect; because the printing block 505 can accurately move toward the cup body as needed, and the pressure is evenly distributed during the moving together process, it can ensure that the pressure during the printing process will not be too large or too small, thus avoiding blurred or uneven printing and further ensuring the quality of the printing effect.

[0057] The working principle of the above technical solution is as follows: cup bodies of different shapes are sequentially conveyed to the bottom of the printing mechanism 5 through the cup groove 201 on the conveying device 2, and the visual recognition device 405 of the internal limiting mechanism 4 can recognize the shape of the cup body below in real time to ensure that the cup mold 401 is positioned with the cup body of the same cup type. The cup mold 401 of the internal limiting mechanism 4 is surrounded by a limiting plate 402, and the limiting plate 402 is connected to the cup mold 401 through an electric telescopic rod 403. The electric telescopic rod 403 automatically adjusts the opening and closing degree of the limiting plate 402 under the feedback of the pressure sensor 705 and the control system to ensure that the inner wall of the cup body is in close contact with the limiting plate 402 to form a stable internal clamping. Through the adaptive adjustment component 7, the printing press can automatically adjust the clamping force according to the shape and size of the cup body. The adaptive adjustment component 7 includes a connecting tube 701, a telescopic column 702, a spring 704, a rubber head 703 and a pressure sensor 705. The telescopic column 702 is telescopically adjusted according to the change of the cup shape to ensure that the rubber head 703 can accurately contact the inner wall of the cup body to form an appropriate clamping force. The pressure sensor 705 monitors the clamping force in real time, and the control system automatically adjusts the opening degree of the electric telescopic rod 403 and the limit plate 402 according to the feedback information, so as to ensure that the clamping force is uniform and suitable for different cup bodies. Through the telescopic movement of the cylinder 3, the inner limit mechanism 4 and the cup body outside it can be driven to move to the printing position, and the printing mechanism 5 is pressed by the printing block 505. The inner wall shape of the printing block 505 fits the outer wall of the cup body to ensure high precision during the printing process. The motor 603 in the drive box 6 drives the main gear 602 to mesh with the gear plate 503, so that the disc 501 rotates, and the rotation of the gear plate 503 drives the sliding block 506 to move along the guide groove 508, and drives the printing block 505 to approach the cup body through the sliding groove 502 until it fits with the cup body. During this process, the precise movement of the sliding block 506 ensures that the printing block 505 moves on a predetermined track, so that it fits the cup body completely, thereby achieving precise printing. After the ink of the printing block 505 is transferred to the cup body, a subsequent curing process is performed.

[0058] In summary, the cup printing machine of the present invention ensures efficient, accurate and consistent printing of cups of different shapes by combining conveying, positioning, visual recognition, adaptive adjustment of clamping force and precise printing mechanism 5, thereby significantly improving production efficiency and product quality.

[0059] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cup printing machine with a positioning mechanism, comprising a frame (1) and a conveying device (2) located inside the frame (1) and capable of conveying cups of different shapes, characterized in that: Also includes: Two internal limiting mechanisms (4) capable of positioning cup bodies of different shapes, wherein the internal limiting mechanisms (4) are mounted on the frame (1) via a cylinder (3); The inner limit mechanism (4) is also provided with an adaptive adjustment component (7) for automatically adjusting the clamping force according to the different shapes of the cup body; A printing mechanism (5) is provided between the inner limiting mechanism (4) and the conveying device (2), and the printing mechanism (5) prints the cup body positioned on the inner limiting mechanism (4) through a printing pressing block (505), and the inner wall shape of the printing pressing block (505) fits the outer wall shape of the cup body.

2. A cup printing machine with a positioning mechanism according to claim 1, characterized in that: The inner limiting mechanism (4) comprises a cup mould (401) and a limiting plate (402); the limiting plate (402) is distributed in a ring shape around the cup mould (401); and the limiting plate (402) is connected to the cup mould (401) via an electric telescopic rod (403).

3. A cup printing machine with a positioning mechanism according to claim 2, characterized in that: The upper end of the cup mold (401) is provided with a mounting hole (404), and the mounting hole (404) is a threaded hole.

4. A cup printing machine with a positioning mechanism according to claim 3, characterized in that: The inner limiting mechanism (4) further comprises a visual recognition device (405) for recognizing cup bodies of different shapes, which is located at the bottom of the cup mold (401).

5. The cup printing machine with a positioning mechanism according to claim 4, characterized in that: The adaptive adjustment component (7) comprises a connecting tube (701), the connecting tube (701) being fixedly arranged on the limiting plate (402), a telescopic column (702) being arranged on a side of the connecting tube (701) away from the limiting plate (402), one end of the telescopic column (702) being movably arranged in the connecting tube (701) by means of a spring (704) limiting position.

6. The cup printing machine with a positioning mechanism according to claim 5, characterized in that: The other end of the telescopic column (702) is provided with a rubber head (703), and a pressure sensor (705) is provided inside the connecting tube (701), and the pressure sensor (705) is electrically connected to an external control system.

7. The cup printing machine with a positioning mechanism according to claim 6, characterized in that: It also comprises a drive box (6), a motor (603) is installed inside the drive box (6), and a main gear (602) is arranged on the output end of the motor (603).

8. The cup printing machine with a positioning mechanism according to claim 7, characterized in that: The printing mechanism (5) further comprises a disc (501), and two sides of the disc (501) are respectively connected to the frame (1) and the drive box (6) via connecting parts (504).

9. The cup printing machine with a positioning mechanism according to claim 8, characterized in that: A gear plate (503) is provided at the lower end of the circular plate (501), a guide groove (508) is provided inside the gear plate (503), an opening groove (601) is provided on the side wall of the driving box (6), and a portion of the main gear (602) extends out of the opening groove (601) and meshes with the gear plate (503).

10. The cup printing machine with a positioning mechanism according to claim 9, characterized in that: The disc (501) is provided with a sliding groove (502) inside, and a sliding block (506) is fixedly provided at the lower end of the printing pressing block (505), and one end of the sliding block (506) passes through the sliding groove (502) and the guide groove (508) in sequence and is connected to a stopper (507).

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