Adhesive tape cutting device for thermal transfer printer
By introducing a microcontroller and motor drive system into the tape cutting device of a thermal transfer printer, the problem of discontinuous cutting processes in traditional devices is solved and a more efficient and smooth cutting process is achieved.
Patent Information
- Application Number
- CN202421334727.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The traditional tape cutting device used in thermal transfer printers may have pauses or stutters in the electric push rod, which will affect the continuity of the cutting process and reduce the quality of the cutting and the quality of the printed product.
Design a tape cutting device including single -chip microcomputer, motor, gear, and motor, and adjust the motor operation through a single -chip microcomputer to drive the cam and roller to promote the lower pressure plate and the upper pressure plate for re -movement to ensure the accurate contact and cutting of the cutting knife and the knife box. Essence
It achieves the continuity of the cutting process, improves the efficiency of cutting during printing, reduces the waste of tape, and makes the cutting work smoother.
Smart Images
Figure CN222387854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing, in particular to an adhesive tape cutting device for a thermal transfer printer. Background Art
[0002] Thermal transfer printer is a device that uses the principle of heat conduction to print. It usually uses thermal paper or thermal transfer film to achieve printing. During the printing process, the print head heats and transfers pigment or toner to the printing medium to form an image or text. The tape is then cut into the required length by the tape cutting device for the next printing operation.
[0003] The conventional tape cutting device for thermal transfer printers is provided with an electric push rod at the outlet of the thermal transfer printer, and a cutting tool is installed at the telescopic end thereof. When cutting, the electric push rod is pressed down by the single chip microcomputer to cut the tape;
[0004] The conventional tape cutting device for thermal transfer printers has the following problems: since the electric push rod may pause or jam, the continuity of the cutting process is affected, resulting in reduced cutting quality, affecting the quality and appearance of the printed product. Therefore, we propose a tape cutting device for thermal transfer printers. Utility Model Content
[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a tape cutting device for a thermal transfer printer, which can ensure the continuity of the cutting process, improve the efficiency of printing and cutting, reduce the waste of tape, make the cutting work smoother, and effectively solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tape cutting device for a thermal transfer printer, comprising a housing, a print head, a mounting slot and an ink cartridge;
[0007] Shell: The left end of the upper surface is hinged with a cover, the front and rear inner walls of the left end of the shell are fixedly connected with a U-shaped seat, the inside of the U-shaped seat is provided with a rotating roller, and the front and rear inner walls in the middle of the shell are rotatably connected with two relatively rotating conveying rollers;
[0008] Print head: It is arranged between the front and rear inner walls of the housing, and the print head is located between the rotating roller and the conveying roller;
[0009] Installation groove: It is respectively opened on the inner wall of the front and rear ends of the shell, and a cutting mechanism is provided at the right end of the installation groove, and the cutting mechanism extends to the inner right end of the shell;
[0010] Ink cartridge: It is fixedly connected between the front and rear inner walls of the shell, and the ink cartridge is located between the conveying roller and the cutting mechanism;
[0011] Among them: it also includes a single chip microcomputer, which is arranged at the left end of the front side of the shell. The single chip microcomputer is bidirectionally electrically connected with the print head, which can ensure the continuity of the cutting process, improve the efficiency of printing and cutting, reduce the waste of tape, and make the cutting work smoother.
[0012] Furthermore, a discharge port is provided on the right side of the shell, and the discharge port is installed in cooperation with the cutting mechanism to facilitate discharge of materials.
[0013] Furthermore, it also includes gears and motors, wherein there are two gears, and the two gears are fixedly mounted on the front end of the conveying roller respectively, and the two gears are meshingly connected. The motor is installed on the inner wall of the mounting groove at the rear end by bolts, and the front end of the output shaft of the motor is fixedly connected to the rear end of the conveying roller at the upper end, and the input end of the motor is electrically connected to the output end of the single-chip microcomputer, thereby realizing the conveyance of the tape.
[0014] Furthermore, the cutting mechanism includes a guide slide, a pillar, an upper pressure plate, a lower pressure plate, a cutting knife and a knife box. The guide slide is respectively opened on the front and rear inner walls of the right end of the shell, and the upper and lower inner walls of the guide slide are fixedly connected with pillars. The upper ends between the pillars are slidably connected with an upper pressure plate, and the lower ends between the pillars are slidably connected with a lower pressure plate. The upper surface of the lower pressure plate is fixedly connected with the cutting knife, and the lower surface of the upper pressure plate is fixedly connected with the knife box. The knife box and the cutting knife are installed in coordination for easy cutting.
[0015] Furthermore, the cutting mechanism also includes springs, which are fixedly connected between the opposite outer side surfaces of the upper pressure plate and the lower pressure plate and the inner walls of the vertically adjacent guide slide grooves, and the springs are sleeved on the outer surface of the support to improve the continuity of the cutting process.
[0016] Furthermore, the cutting mechanism also includes a rotating shaft, a turntable and a connecting rod. The rotating shaft is rotatably connected to the inner wall of the mounting groove on one side away from the center of the outer shell. The outer surface of the rotating shaft is fixedly sleeved with a turntable. The upper and lower ends of the turntable are rotatably connected to the connecting rod through a pin shaft. The inner side surface of the connecting rod is rotatably connected to the upper pressure plate and the lower pressure plate at the adjacent ends through a pin shaft, thereby realizing reciprocating operation.
[0017] Furthermore, the cutting mechanism also includes a motor, a cam and a roller. The motor is installed in the installation opening of the bottom wall on the right side of the shell by bolts. The front end fixing sleeve of the output shaft of the motor is provided with a cam. The top of the cam is rotatably connected to the roller through a pin shaft. The roller is installed in cooperation with the lower surface of the lower pressure plate. The input end of the motor is electrically connected to the output end of the single-chip microcomputer to drive the cutting mechanism to operate.
[0018] Compared with the prior art, the utility model has the following advantages:
[0019] When cutting is required, the motor is regulated by the single chip microcomputer, and the output shaft of the motor drives the cam to rotate. When the cam rotates to the top, the roller contacts the lower surface of the lower pressure plate, generating a driving force, pushing the lower pressure plate to move upward along the inner wall of the guide slot, and stretching the spring at the same time. However, when the lower pressure plate moves, it drives the connecting rod to rotate around the pin shaft at the connection, so that the turntable starts to rotate. The rotation of the turntable drives the connecting rod to start rotating through the pin shaft at the connection, driving the upper pressure plate to slide and avoid along the guide slot, and at the same time stretching the spring, so that the cutting knife on the upper pressure plate and the lower pressure plate are in contact with each other. The knife box on the pressure plate gradually approaches until the cutting knife is inserted into the knife box, and at the same time, the blade on the cutting knife contacts the tape and cuts it. After the cutting is completed, the cut tape falls through the discharge port, completing the entire cutting process. When the cutting is completed, the top of the cam is driven by the motor to rotate to the bottom end, and the push on the lower pressure plate is cancelled, so that the upper and lower pressure plates are restored to their original positions through the force of the spring, thereby realizing up and down reciprocating motion, which can ensure the continuity of the cutting process, improve printing efficiency, reduce tape waste, and make the cutting work smoother. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the structure of the utility model;
[0021] Figure 2 It is a partial cross-sectional structural schematic diagram of the front side of the utility model;
[0022] Figure 3 It is a schematic diagram of the structure of the utility model enlarged at A;
[0023] Figure 4 It is a schematic diagram of the structure of the utility model in a front side section;
[0024] Figure 5 This is a schematic diagram of the structure B of the utility model;
[0025] Figure 6 It is a schematic structural diagram of the rear side section of the utility model.
[0026] In the figure: 1 flip cover, 2 shell, 3 single chip microcomputer, 4 discharge port, 5 installation slot, 6 conveyor roller, 7 gear, 8 cutting mechanism, 801 rotating shaft, 802 turntable, 803 guide slide, 804 connecting rod, 805 pillar, 806 spring, 807 upper pressure plate, 808 lower pressure plate, 809 cutting knife, 810 knife box, 811 motor, 812 cam, 813 roller, 9 ink cartridge, 10 print head, 11 roller, 12 U-shaped seat, 13 motor. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] See also Figure 1-6 , this embodiment provides a technical solution: a tape cutting device for a thermal transfer printer, comprising a housing 2, a print head 10, a mounting slot 5 and an ink cartridge 9;
[0029] Shell 2: The left end of its upper surface is hinged with a cover 1, and the right side of the shell 2 is provided with a discharge port 4, which is installed in conjunction with a cutting mechanism 8. The front and rear inner walls of the left end of the shell 2 are fixedly connected with a U-shaped seat 12, and a roller 11 is provided between the interior of the U-shaped seat 12. Two relatively rotating conveying rollers 6 are rotatably connected between the front and rear inner walls of the middle part of the shell 2. It also includes gears 7 and a motor 13. There are two gears 7, and the two gears 7 are fixedly sleeved on the front ends of the conveying rollers 6 respectively. The two gears 7 are meshed and connected. The motor 13 is installed on the inner wall of the rear end mounting groove 5 by bolts. The front end of the output shaft of the motor 13 is fixedly connected to the rear end of the upper conveying roller 6. The input end of the motor 13 is electrically connected to the output end of the single-chip computer 3. First, open the cover 1 and turn the roller 11. Thus, the tape is taken out from the U-shaped seat 12, and then the tape is introduced from a port and wound around the surface of the rotating roller 11 to ensure that the tape is evenly and tightly wound, and the tape is pulled to the bottom of the print head 10, and it is ensured that it passes smoothly between the conveying rollers 6, and then continues to be guided from left to right along the shell 2 to the bottom of the ink cartridge 9, and finally, the tape passes through the space between the knife box 810 and the cutting knife 809, and finally ensures that the tape extends smoothly to the discharge port 4 for subsequent cutting, and at the same time, the motor 13 is regulated to operate, and the output shaft of the motor 13 rotates to drive the upper conveying roller 6 to rotate, and the upper conveying roller 6 drives the upper gear 7 to rotate, and rotates in mesh with the lower gear 7, so that the lower conveying roller 6 starts to rotate, and the tape is conveyed to the discharge port 4;
[0030] Print head 10: It is arranged between the front and rear inner walls of the housing 2. The print head 10 is located between the rotating roller 11 and the conveying roller 6. At the same time, the staff transmits the pattern or text to be printed to the single-chip microcomputer 3 through an external computer. The single-chip microcomputer 3 analyzes, processes and integrates the received data, and then regulates the operation of the print head 10 to print on the tape;
[0031] The mounting groove 5 is respectively provided on the inner walls at the front and rear ends of the shell 2. A cutting mechanism 8 is provided at the right end of the mounting groove 5. The cutting mechanism 8 extends to the inner right end of the shell 2. The cutting mechanism 8 comprises a guide slide 803, a pillar 805, an upper pressure plate 807, a lower pressure plate 808, a cutting knife 809 and a knife box 810. The guide slide 803 is respectively provided on the front and rear inner walls at the right end of the shell 2. The upper and lower inner walls of the guide slide 803 are fixedly connected with pillars 805. The upper ends of the pillars 805 are slidably connected with an upper pressure plate 807. The lower ends of the pillars 805 are slidably connected with a lower pressure plate 808. The upper surface of the lower pressure plate 808 is fixedly connected with a cutting knife 809. The lower surface of the upper pressure plate 807 is fixedly connected with a knife box 810. The knife box 810 The cutting mechanism 8 is installed in cooperation with the cutting knife 809, and the cutting mechanism 8 also includes a spring 806, which is fixedly connected between the outer side surfaces of the upper pressure plate 807 and the lower pressure plate 808 that are away from each other and the inner wall of the vertically adjacent guide slide groove 803, and the spring 806 is sleeved on the outer surface of the pillar 805. The cutting mechanism 8 also includes a rotating shaft 801, a rotating disk 802 and a connecting rod 804, and the rotating shaft 801 is rotatably connected to the inner wall of the side of the installation groove 5 away from the center of the shell 2, and the outer surface of the rotating shaft 801 is fixedly sleeved with a rotating disk 802, and the upper and lower ends of the rotating disk 802 are rotatably connected to the connecting rod 804 through a pin shaft, and the inner side surface of the connecting rod 804 is rotatably connected to the upper pressure plate 807 and the lower pressure plate 808 at the adjacent ends through a pin shaft, and the cutting mechanism 8 also includes a motor 8 11. Cam 812 and roller 813. The motor 811 is installed in the installation opening of the right bottom wall of the housing 2 by bolts. The front end fixed sleeve of the output shaft of the motor 811 is provided with a cam 812. The top of the cam 812 is rotatably connected with the roller 813 through a pin shaft. The roller 813 is installed in cooperation with the lower surface of the lower pressure plate 808. The input end of the motor 811 is electrically connected to the output end of the single-chip microcomputer 3. When cutting is required, the single-chip microcomputer 3 is used to control the operation of the motor 811. The output shaft of the motor 811 drives the cam 812 to rotate. The cam 812 rotates to the top point, so that the roller 813 contacts the lower surface of the lower pressure plate 808, generating a driving force, pushing the lower pressure plate 808 to move upward along the inner wall of the guide slot 803, and at the same time stretching the spring 806. However, the lower pressure plate 808 is When moving, it drives the connecting rod 804 to rotate around the pin shaft at the connection, so that the turntable 802 starts to rotate. The rotation of the turntable 802 drives the connecting rod 804 to rotate through the pin shaft at the connection, driving the upper pressure plate 807 to slide and avoid along the guide slide groove 803, and at the same time stretching the spring 806, so that the cutting knife 809 on the upper pressure plate 807 and the knife box 810 on the lower pressure plate 808 gradually approach each other until the cutting knife 809 is inserted into the knife box 810, and at the same time, the blade on the cutting knife 809 contacts and cuts the tape. After the cutting is completed, the cut tape falls through the discharge port 4, completing the entire cutting process. When the cutting is completed, the motor 811 drives the top of the cam 812 to rotate to the bottom end, canceling the push on the lower pressure plate 808.The upper pressing plate 807 and the lower pressing plate 808 are restored to their original positions by the force of the spring 806, and the movement speed of the cutting knife 809 can be accelerated by adjusting the rotation speed of the motor 811 to reduce the pause time, thereby ensuring the continuity of the cutting process and improving the cutting efficiency during printing;
[0032] Ink cartridge 9: It is fixedly connected between the front and rear inner walls of the housing 2. The ink cartridge 9 is located between the conveying roller 6 and the cutting mechanism 8. During this period, the ink is sprayed onto the printing tape through the ink cartridge 9;
[0033] The housing 2 further includes a single chip microcomputer 3 , which is disposed at the left end of the front side of the housing 2 . The single chip microcomputer 3 is bidirectionally electrically connected to the print head 10 .
[0034] The working principle of the tape cutting device for a thermal transfer printer provided by the utility model is as follows: first, the cover 1 is opened, the roller 11 is taken out from the U-shaped seat 12, and then the tape is introduced from a port and wound around the surface of the roller 11 to ensure that the tape is evenly and tightly wound, and the tape is pulled to the bottom of the print head 10 and ensured to pass smoothly between the conveying rollers 6, and then continue to be guided from left to right along the shell 2 to the bottom of the ink cartridge 9, and finally, the tape is passed through the space between the knife box 810 and the cutting knife 809, and finally ensured that the tape is smoothly extended to the discharge port 4 for subsequent cutting, and at the same time the staff The pattern or text to be printed is transmitted to the single chip microcomputer 3 through an external computer. The single chip microcomputer 3 analyzes, processes and integrates the data received, and then regulates the operation of the print head 10 to print the tape. At the same time, the motor 13 is regulated to operate. The output shaft of the motor 13 rotates to drive the upper conveying roller 6 to rotate. The upper conveying roller 6 drives the upper gear 7 to rotate and meshes with the lower gear 7 to rotate, so that the lower conveying roller 6 starts to rotate and conveys the tape to the discharge port 4. During this period, the ink is sprayed onto the printing tape through the ink cartridge 9. When cutting is required, the motor 811 is regulated to operate through the single chip microcomputer 3. The output shaft of the motor 811 drives the cam 8 12 rotates, the cam 812 rotates to the top, so that the roller 813 contacts the lower surface of the lower pressure plate 808, generating a driving force, pushing the lower pressure plate 808 to move upward along the inner wall of the guide slot 803, and at the same time stretching the spring 806. However, when the lower pressure plate 808 moves, it drives the connecting rod 804 to rotate around the pin shaft at the connection, so that the turntable 802 starts to rotate. The rotation of the turntable 802 drives the connecting rod 804 to rotate through the pin shaft at the connection, driving the upper pressure plate 807 to slide and avoid along the guide slot 803, and at the same time stretching the spring 806, so that the cutting knife 809 on the upper pressure plate 807 and the knife box 81 on the lower pressure plate 808 0 gradually approaches until the cutting knife 809 is inserted into the knife box 810, and at the same time, the blade on the cutting knife 809 contacts the tape and cuts it. After the cutting is completed, the cut tape falls through the discharge port 4, completing the entire cutting process. When the cutting is completed, the top of the cam 812 is driven by the motor 811 to rotate to the bottom end, and the push on the lower pressure plate 808 is cancelled, so that the upper pressure plate 807 and the lower pressure plate 808 are restored to their original positions through the force of the spring 806, and the movement speed of the cutting knife 809 can be accelerated by adjusting the speed of the motor 811 to reduce the pause time, thereby ensuring the continuity of the cutting process and improving the efficiency of cutting during printing.
[0035] It is worth noting that the specific model of the single chip microcomputer 3 disclosed in the above embodiment is S7-200, the motor 811 is recommended to use D180M-0160030B-E, the motor 13 can be selected from BMR-50, the print head 10 is preferably ZM400-300, and the single chip microcomputer 3 controls the motor 811, the motor 13 and the print head 10 using methods commonly used in the prior art.
[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A tape cutting device for a thermal transfer printer, characterized in that: It comprises a housing (2), a print head (10), a mounting slot (5) and an ink cartridge (9); The outer shell (2) has a cover (1) hingedly connected to the left end of its upper surface, the front and rear inner walls of the left end of the outer shell (2) are fixedly connected to a U-shaped seat (12), a rotating roller (11) is provided between the inside of the U-shaped seat (12), and two relatively rotating conveying rollers (6) are rotatably connected between the front and rear inner walls in the middle of the outer shell (2); A print head (10): the print head (10) is arranged between the front and rear inner walls of the housing (2), and the print head (10) is located between the rotating roller (11) and the conveying roller (6); The mounting groove (5) is respectively formed on the inner wall of the front and rear ends of the housing (2). A cutting mechanism (8) is provided at the right end of the mounting groove (5). The cutting mechanism (8) extends to the right end of the interior of the housing (2); Ink cartridge (9): fixedly connected between the front and rear inner walls of the housing (2), the ink cartridge (9) being located between the conveying roller (6) and the cutting mechanism (8); The single chip microcomputer (3) is also included. The single chip microcomputer (3) is arranged at the left end of the front side surface of the housing (2). The single chip microcomputer (3) is bidirectionally electrically connected to the print head (10).
2. The tape cutting device for a thermal transfer printer according to claim 1, characterized in that: A material discharge port (4) is provided on the right side of the housing (2), and the material discharge port (4) is installed in coordination with the cutting mechanism (8).
3. The tape cutting device for a thermal transfer printer according to claim 1, characterized in that: It also includes a gear (7) and a motor (13), wherein the number of the gears (7) is two, the two gears (7) are respectively fixedly sleeved on the front end of the conveying roller (6), the two gears (7) are meshingly connected, the motor (13) is mounted on the inner wall of the mounting groove (5) at the rear end by bolts, the front end of the output shaft of the motor (13) is fixedly connected to the rear end of the conveying roller (6) at the upper end, and the input end of the motor (13) is electrically connected to the output end of the single-chip computer (3).
4. The tape cutting device for a thermal transfer printer according to claim 1, characterized in that: The cutting mechanism (8) comprises a guide slot (803), a support (805), an upper pressure plate (807), a lower pressure plate (808), a cutting knife (809) and a knife box (810); the guide slot (803) is respectively formed on the front and rear inner walls of the right end of the housing (2); the support (805) is fixedly connected between the upper and lower inner walls of the guide slot (803); the upper ends of the support plates (805) are slidably connected to an upper pressure plate (807); the lower ends of the support plates (805) are slidably connected to a lower pressure plate (808); the upper surface of the lower pressure plate (808) is fixedly connected to the cutting knife (809); the lower surface of the upper pressure plate (807) is fixedly connected to the knife box (810); the knife box (810) and the cutting knife (809) are mounted in coordination.
5. The tape cutting device for a thermal transfer printer according to claim 4, characterized in that: The cutting mechanism (8) further comprises a spring (806), wherein the spring (806) is fixedly connected between the opposite outer side surfaces of the upper pressing plate (807) and the lower pressing plate (808) and the inner wall of the vertically adjacent guide slot (803), and the spring (806) is sleeved on the outer surface of the support (805).
6. The tape cutting device for a thermal transfer printer according to claim 4, characterized in that: The cutting mechanism (8) further comprises a rotating shaft (801), a rotating disk (802) and a connecting rod (804); the rotating shaft (801) is rotatably connected to an inner wall of a side of the mounting groove (5) away from the center of the housing (2); the rotating disk (802) is fixedly sleeved on the outer surface of the rotating shaft (801); the upper and lower ends of the rotating disk (802) are rotatably connected to the connecting rod (804) via a pin; the inner side surface of the connecting rod (804) is rotatably connected to an upper pressing plate (807) and a lower pressing plate (808) at adjacent ends via a pin.
7. The tape cutting device for a thermal transfer printer according to claim 4, characterized in that: The cutting mechanism (8) further comprises a motor (811), a cam (812) and a roller (813); the motor (811) is installed in a mounting opening of the right bottom wall of the housing (2) by means of bolts; a cam (812) is provided at the front end of the output shaft of the motor (811) and a fixed sleeve is provided; the top of the cam (812) is rotatably connected to the roller (813) via a pin; the roller (813) is mounted in cooperation with the lower surface of the lower pressing plate (808); and the input end of the motor (811) is electrically connected to the output end of the single-chip computer (3).