Thermal transfer ribbon mounting equipment with locking function

Abstract

The utility model relates to the technical field of thermal transfer ribbon printing, and discloses thermal transfer ribbon mounting equipment with a locking function, which comprises a mounting side plate, an unwinding seat, a winding seat and a first guide shaft are respectively and rotatably mounted on the surface of the mounting side plate, a rotating shaft of the unwinding seat extends into the mounting side plate, and a rotating disc is fixedly mounted on the surface of the rotating shaft of the unwinding seat. A transmission shaft is rotatably mounted on the surface of the mounting side plate, an L-shaped support is fixedly mounted at the end of the transmission shaft, a second guide shaft is rotatably mounted at the bottom end of the L-shaped support, and a swing arm is fixedly mounted at the end, away from the L-shaped support, of the transmission shaft. A second guide shaft and a locking block are arranged, a transmission shaft serves as a fulcrum, an L-shaped support and a swing arm serve as levers, a turnover acting force is applied to the second guide shaft in the thermal transfer ribbon unwinding process, the locking block is linked to be separated from a rotating disc, when thermal transfer ribbon unwinding stops, under the action of a tension spring, the locking block abuts against and makes contact with the rotating disc, inertial rotation of an unwinding seat can be eliminated, and the thermal transfer ribbon unwinding effect is improved. And the effect of locking the unwinding seat is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon ribbon printing, in particular to a carbon ribbon installation device with a locking function. Background Art

[0002] A barcode printer is a printer specially used for printing barcodes. The biggest difference between a barcode printer and an ordinary printer is that the printing of a barcode printer is based on heat, and the printing medium is a carbon ribbon (or thermal paper is directly used) to complete the printing. The prior art announcement number is CN211641493U, which discloses a carbon ribbon wrinkle-proof structure of a barcode printer, including a frame, which is provided with a winding shaft and an unwinding shaft; a printing frame, which is arranged at the bottom of the frame and is provided with a print head cover plate; an adjustment bracket, which is installed on the printing frame and is provided with a first guide shaft, and first adjustment long holes are symmetrically arranged at both ends, and a first bolt that passes through the first adjustment long hole and is connected to the printing frame; a guide plate, which is installed on the printing frame, and second adjustment long holes are symmetrically arranged at both ends, and a second bolt that passes through the second adjustment long hole and is connected to the printing frame; the carbon ribbon is installed on the unwinding shaft, and is connected to the winding shaft after passing through the first guide shaft, the print head cover plate and the guide plate in sequence. By adjusting the position of the first bolt installed in the first adjusting long hole, adjusting the position of the first guide shaft, adjusting the position of the second bolt installed in the second adjusting long hole, and adjusting the position of the guide plate, the structure is simple and the operation is convenient, so that the carbon ribbon is evenly stressed and reliably tensioned, and wrinkling of the carbon ribbon is effectively prevented.

[0003] In actual use, since the unwinding mechanism of the carbon ribbon lacks a locking function, the carbon ribbon roll rotates due to inertia, causing the carbon ribbon to become loose and wrinkled, affecting the printing quality, which needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a carbon ribbon installation device with a locking function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon ribbon installation device with a locking function, comprising a mounting side plate, on the surface of which an unwinding seat, a winding seat and a first guide shaft are rotatably mounted, the rotating axis of the unwinding seat extends into the mounting side plate, and a rotating disk is fixedly mounted on the surface of the rotating axis of the unwinding seat, a transmission shaft is rotatably mounted on the surface of the mounting side plate, an L-shaped bracket is fixedly mounted on the end of the transmission shaft, a second guide shaft is rotatably mounted on the bottom end of the L-shaped bracket, a swing arm is fixedly mounted on the end of the transmission shaft away from the L-shaped bracket, a locking block is fixedly mounted on the surface of the swing arm, the locking block is arranged on the lower side of the rotating disk, a tension spring is arranged inside the mounting side plate, the tension spring pulls the end of the swing arm upward to make the locking block contact with the surface of the rotating disk.

[0006] A driving motor is fixedly installed inside the mounting side panel, and the driving motor drives the winding seat to rotate. The carbon ribbon unwinding drum is sleeved on the surface of the unwinding seat, and the carbon ribbon winding drum is sleeved on the surface of the winding seat. The carbon ribbon passes around the surfaces of the first guide shaft and the second guide shaft. When the carbon ribbon unwinding stops, under the action of the tension spring, the locking block is in close contact with the rotating disk, thereby eliminating the inertial rotation of the unwinding seat.

[0007] In some embodiments, a sliding groove is provided on the surface of the mounting side plate, a supporting light rod is fixedly installed in the sliding groove, a sliding block is slidably installed on the surface of the supporting light rod, a return spring is sleeved on the surface of the supporting light rod, the return spring presses against the sliding block, a third guide shaft is rotatably installed on the surface of the sliding block, and the third guide shaft has a tensioning effect on the carbon ribbon.

[0008] In some embodiments, an elastic component is disposed inside the mounting side plate, and the unwinding seat and the winding seat are pressed against by the elastic component respectively.

[0009] The elastic component includes a baffle fixedly installed in the mounting side plate, a support rod is slidably inserted into the surface of the baffle, a gasket is fixedly installed on the surface of the support rod, a support spring is sleeved on the surface of the support rod, and the support spring is clamped between the baffle and the gasket. The end of the support rod is rotatably connected to the rotating shaft of the unwinding seat or the winding seat, pressing the unwinding seat or the winding seat to facilitate the disassembly and assembly of the carbon ribbon unwinding drum and the carbon ribbon winding drum.

[0010] In some embodiments, a first spur gear is fixedly mounted on the rotating shaft surface of the winding seat, and a second spur gear is fixedly mounted on the rotating end of the driving motor. The first spur gear and the second spur gear are meshed for transmission. When the winding seat is pressed, the first spur gear and the second spur gear can generate a linear relative displacement.

[0011] In some embodiments, the unwinding seat and the winding seat have the same structure, and the end faces of the unwinding seat and the winding seat are fixedly installed with limit blocks, and the ends of the carbon ribbon unwinding drum and the carbon ribbon winding drum are provided with card slots, and the limit blocks can be extended into the card slots.

[0012] In some embodiments, there are two mounting side panels, which are fixedly connected by a connecting shaft, two ends of the first guide shaft are rotatably connected to the two mounting side panels respectively, two ends of the second guide shaft are rotatably connected to the L-shaped brackets on both sides respectively, two ends of the third guide shaft are rotatably connected to the sliding blocks on both sides respectively, and both ends of the connecting shaft extend to the outside of the mounting side panels. The two mounting side panels are rotatably connected to the bottom shell of the printer through the ends of the connecting shaft. The mounting side panels are lifted up to facilitate the disassembly and assembly of the carbon ribbon unwinding reel and the carbon ribbon winding reel. Beneficial Effects

[0013] The utility model provides a carbon ribbon installation device with a locking function, which has the following beneficial effects:

[0014] 1. The carbon ribbon installation device with locking function is provided with a second guide shaft and a locking block, and uses the transmission shaft as a fulcrum, and the L-shaped bracket and the swing arm as a lever. During the carbon ribbon unwinding process, a turning force is applied to the second guide shaft, and the locking block is linked to separate from the rotating disk. When the carbon ribbon unwinding stops, the locking block is in close contact with the rotating disk under the action of the tension spring, which can eliminate the inertial rotation of the unwinding seat, realize the locking effect of the unwinding seat, and solve the problem that the carbon ribbon is easy to loosen and wrinkle.

[0015] 2. The carbon ribbon installation device with locking function is provided by slidingly installing a sliding block on the side of the installation side plate, the third guide shaft is rotatably connected with the sliding block, and the return spring presses against the sliding block, so that the third guide shaft has a tensioning effect on the carbon ribbon. Since the spacing between the second guide shaft and the third guide shaft is not fixed, it is convenient to adjust the size of the gap between the two so that the carbon ribbon unwinding reel passes through the gap, thereby achieving the effect of facilitating the replacement of the carbon ribbon unwinding reel and the carbon ribbon winding reel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure after the side panels are installed;

[0019] Figure 4 The schematic diagram of the side section structure for installing the side panel (I);

[0020] Figure 5 This is a schematic diagram of the side section structure for installing the side panel (II).

[0021] In the figure: 1 mounting side plate, 2 unwinding seat, 3 winding seat, 4 first guide shaft, 5 rotating disk, 6 transmission shaft, 7 L-shaped bracket, 8 second guide shaft, 9 swing arm, 10 locking block, 11 tension spring, 12 driving motor, 13 ribbon unwinding drum, 14 ribbon winding drum, 15 sliding block, 16 return spring, 17 baffle, 18 support rod, 19 gasket, 20 support spring, 21 first spur gear, 22 second spur gear, 23 limit block, 24 connecting shaft, 25 printer bottom shell, 26 third guide shaft. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 The utility model provides a technical solution: a carbon ribbon installation device with a locking function, comprising a mounting side plate 1, on the surface of which an unwinding seat 2, a winding seat 3 and a first guide shaft 4 are rotatably mounted, the rotating axis of the unwinding seat 2 extends into the mounting side plate 1, and a rotating disk 5 is fixedly mounted on the rotating axis surface of the unwinding seat 2, a transmission shaft 6 is rotatably mounted on the surface of the mounting side plate 1, an L-shaped bracket 7 is fixedly mounted on the end of the transmission shaft 6, a second guide shaft 8 is rotatably mounted on the bottom end of the L-shaped bracket 7, a swing arm 9 is fixedly mounted on the end of the transmission shaft 6 away from the L-shaped bracket 7, a locking block 10 is fixedly mounted on the surface of the swing arm 9, the locking block 10 is arranged on the lower side of the rotating disk 5, a tension spring 11 is arranged inside the mounting side plate 1, the tension spring 11 pulls the end of the swing arm 9 upwards to make the locking block 10 contact with the surface of the rotating disk 5.

[0024] A sliding groove is provided on the surface of the mounting side plate 1, in which a supporting polished rod is fixedly installed, a sliding block 15 is slidably installed on the surface of the supporting polished rod, a return spring 16 is sleeved on the surface of the supporting polished rod, the return spring 16 presses against the sliding block 15, and a third guide shaft 26 is rotatably installed on the surface of the sliding block 15.

[0025] An elastic component is provided inside the mounting side plate 1, which presses the unwinding seat 2 and the winding seat 3 respectively. The elastic component includes a baffle 17 fixedly installed in the mounting side plate 1, a support rod 18 is slidably inserted on the surface of the baffle 17, a gasket 19 is fixedly installed on the surface of the support rod 18, a support spring 20 is sleeved on the surface of the support rod 18, and the support spring 20 is clamped between the baffle 17 and the gasket 19. The end of the support rod 18 is rotatably connected to the rotating shaft of the unwinding seat 2 or the winding seat 3, pressing the unwinding seat 2 or the winding seat 3 to move the unwinding seat 2 or the winding seat 3 to both sides, so as to facilitate the disassembly and assembly of the carbon ribbon unwinding drum 13 and the carbon ribbon winding drum 14.

[0026] A driving motor 12 is fixedly installed inside the mounting side plate 1, and the driving motor 12 drives the winding seat 3 to rotate. Specifically, a first spur gear 21 is fixedly installed on the rotating shaft surface of the winding seat 3, and a second spur gear 22 is fixedly installed on the rotating end of the driving motor 12. The first spur gear 21 and the second spur gear 22 are meshed for transmission. When the winding seat 3 is pressed, the first spur gear 21 and the second spur gear 22 can generate a linear relative displacement.

[0027] The unwinding seat 2 and the winding seat 3 have the same structure, and the end surfaces of the unwinding seat 2 and the winding seat 3 are fixedly installed with a limit block 23, and the ends of the carbon ribbon unwinding drum 13 and the carbon ribbon winding drum 14 are provided with a card slot, and the limit block 23 can extend into the card slot. The carbon ribbon unwinding drum 13 is sleeved on the surface of the unwinding seat 2, and the carbon ribbon winding drum 14 is sleeved on the surface of the winding seat 3. The carbon ribbon passes around the surface of the first guide shaft 4, the second guide shaft 8 and the third guide shaft 26, as shown in FIG. Figure 2 Shown by the dashed line.

[0028] The carbon ribbon installation device with a locking function is provided with a second guide shaft 8 and a locking block 10, and uses a transmission shaft 6 as a fulcrum, and an L-shaped bracket 7 and a swing arm 9 as a lever. During the carbon ribbon unwinding process, a turning force is applied to the second guide shaft 8, and the locking block 10 is linked to separate from the rotating disk 5. When the carbon ribbon unwinding stops, under the action of a tension spring 11, the locking block 10 is in close contact with the rotating disk 5, and the inertial rotation of the unwinding seat 2 is eliminated, thereby achieving a locking effect on the unwinding seat 2 and solving the problem that the carbon ribbon is easy to loosen and wrinkle.

[0029] There are two mounting side panels 1, which are fixedly connected by a connecting shaft 24, two ends of the first guide shaft 4 are rotatably connected to the two mounting side panels 1 respectively, two ends of the second guide shaft 8 are rotatably connected to the L-shaped brackets 7 on both sides respectively, two ends of the third guide shaft 26 are rotatably connected to the sliding blocks 15 on both sides respectively, two ends of the connecting shaft 24 extend to the outside of the mounting side panels 1, and the two mounting side panels 1 are rotatably connected to the printer bottom case 25 through the ends of the connecting shaft 24.

[0030] When replacing the carbon ribbon unwinding reel 13 and the carbon ribbon winding reel 14, the mounting side plate 1 can be tilted upwards. Since the sliding block 15 is slidably installed on the side of the mounting side plate 1, the third guide shaft 26 is rotatably connected to the sliding block 15, and the reset spring 16 presses against the sliding block 15, so that the third guide shaft 26 has a tensioning effect on the carbon ribbon, and the distance between the second guide shaft 8 and the third guide shaft 26 is not fixed, which is convenient for adjusting the size of the gap between the two, so that the carbon ribbon unwinding reel 13 or the carbon ribbon winding reel 14 can pass through the gap, thereby achieving the effect of facilitating the replacement of the carbon ribbon unwinding reel 13 and the carbon ribbon winding reel 14.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon ribbon installation device with a locking function, comprising an installation side plate (1), Features: The surface of the mounting side plate (1) is rotatably mounted with an unwinding seat (2), a rewinding seat (3) and a first guide shaft (4); the rotating shaft of the unwinding seat (2) extends into the mounting side plate (1), and a rotating disk (5) is fixedly mounted on the rotating shaft surface of the unwinding seat (2); a transmission shaft (6) is rotatably mounted on the surface of the mounting side plate (1); an L-shaped bracket (7) is fixedly mounted on the end of the transmission shaft (6); a second guide shaft (8) is rotatably mounted on the bottom end of the L-shaped bracket (7); a swing arm (9) is fixedly mounted on the end of the transmission shaft (6) away from the L-shaped bracket (7); a locking block (10) is fixedly mounted on the surface of the swing arm (9); the locking block (10) is arranged on the lower side of the rotating disk (5); a tension spring (11) is arranged inside the mounting side plate (1); the tension spring (11) pulls the end of the swing arm (9) upwards so that the locking block (10) contacts the surface of the rotating disk (5); A driving motor (12) is fixedly installed inside the mounting side plate (1), and the driving motor (12) drives the winding seat (3) to rotate. The carbon ribbon unwinding drum (13) is sleeved on the surface of the unwinding seat (2), and the carbon ribbon winding drum (14) is sleeved on the surface of the winding seat (3). The carbon ribbon passes around the surfaces of the first guide shaft (4) and the second guide shaft (8).

2. A carbon ribbon installation device with a locking function according to claim 1, Features: A sliding groove is provided on the surface of the mounting side plate (1), a supporting polished rod is fixedly mounted in the sliding groove, a sliding block (15) is slidably mounted on the surface of the supporting polished rod, a return spring (16) is sleeved on the surface of the supporting polished rod, the return spring (16) is pressed against the sliding block (15), and a third guide shaft (26) is rotatably mounted on the surface of the sliding block (15).

3. A carbon ribbon installation device with a locking function according to claim 2, Features: An elastic component is provided inside the mounting side plate (1), and the unwinding seat (2) and the winding seat (3) are respectively pressed against by the elastic component.

4. A carbon ribbon installation device with a locking function according to claim 3, Features: The elastic component comprises a baffle (17) fixedly mounted in the mounting side plate (1); a support rod (18) is slidably inserted into the surface of the baffle (17); a gasket (19) is fixedly mounted on the surface of the support rod (18); a support spring (20) is sleeved on the surface of the support rod (18); the support spring (20) is sandwiched between the baffle (17) and the gasket (19); and an end of the support rod (18) is rotatably connected to a rotating shaft of an unwinding seat (2) or a rewinding seat (3).

5. The carbon ribbon installation device with locking function according to claim 4, Features: A first spur gear (21) is fixedly mounted on the rotating shaft surface of the winding seat (3), and a second spur gear (22) is fixedly mounted on the rotating end of the driving motor (12); the first spur gear (21) and the second spur gear (22) are meshed for transmission.

6. A carbon ribbon installation device with a locking function according to claim 5, Features: The unwinding seat (2) and the winding seat (3) have the same structure, and the end faces of the unwinding seat (2) and the winding seat (3) are both fixedly mounted with limit blocks (23), and the ends of the carbon ribbon unwinding drum (13) and the carbon ribbon winding drum (14) are both provided with a slot, and the limit block (23) can extend into the slot.

7. The carbon ribbon installation device with locking function according to claim 6, Features: There are two mounting side plates (1), and the two mounting side plates (1) are fixedly connected via a connecting shaft (24). The two ends of the first guide shaft (4) are respectively rotatably connected to the two mounting side plates (1). The two ends of the second guide shaft (8) are respectively rotatably connected to the L-shaped brackets (7) on both sides. The two ends of the third guide shaft (26) are respectively rotatably connected to the sliding blocks (15) on both sides.

8. The carbon ribbon installation device with locking function according to claim 7, Features: Both ends of the connecting shaft (24) extend to the outside of the mounting side plate (1), and the two mounting side plates (1) are rotatably connected to the printer bottom shell (25) via the ends of the connecting shaft (24).

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