Thermal printer capable of rapidly changing paper
By introducing adjustment components and protective panels into thermal printers, the cumbersome problem of paper replacement in traditional thermal printers is solved, rapid paper replacement and safety improvement are achieved, adapting to different label paper widths and ensuring printing quality.
Patent Information
- Application Number
- CN202422438162.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-10-10
AI Technical Summary
传统热敏打印机在换纸时需要打开外壳、取下旧标签纸并安装新标签纸,操作繁琐,导致工作效率低。
A thermal printer for quick paper change is designed, by setting adjustment components on the label shaft, including snaps and rings, automatically clamping the label paper with spring connections, reducing manual adjustment steps, and protecting the paper cutting blades through protective plates to avoid mist touch.
Improves paper change efficiency, reduces operating time, enhances safety, adapts to label paper of different widths, and ensures print quality.
Smart Images
Figure CN223072171U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of printers, in particular to a thermal printer with quick paper replacement. Background Technique
[0002] A thermal printer is a device that realizes image or text printing by heating the print head and contacting the thermal printing paper. Usually, when the tiny heating elements distributed on the thermal print head are electrified and heated, different degrees of heat changes will occur on the thermal paper. The coating of the thermal paper will undergo a chemical reaction at a specific temperature, thereby showing different colors and forming images or texts.
[0003] However, when replacing the paper in a traditional thermal printer, it is necessary to open the printer housing, then remove the used label paper on the label shaft, then replace it with a new label paper, and then put the label shaft into the machine card slot. Since the label paper needs to be installed on the left, it is also necessary to slide the label buckle to clamp the label paper before the installation is completed. When frequent paper replacement operations are required, it takes a lot of time, greatly reducing the work efficiency. Therefore, a thermal printer with quick paper replacement is proposed to solve the above problems. Content of the Utility Model
[0004] To make up for the above deficiencies, the utility model provides a thermal printer with quick paper replacement, aiming to improve the problem of "complicated label paper replacement and time-consuming" in the prior art.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A thermal printer with quick paper replacement, including a lower housing, an upper housing is arranged at the top of the lower housing, a label shaft is arranged below the upper housing at the top of the lower housing, an adjustment component is arranged on the outer wall of the label shaft, the adjustment component includes a buckle, the buckle is sleeved on the outer wall of the label shaft, a plurality of circular grooves are opened at the top of the label shaft, a circular ring is arranged on the right side of the buckle, the circular ring slides on the outer wall of the label shaft, and the buckle and the circular ring are elastically connected by a second spring.
[0006] As a further description of the above technical solution:
[0007] A protection component is arranged on the front surface of the upper housing, the protection component includes a protection plate, the protection plate is rotatably connected to the lower part of the front surface of the upper housing, and two positioning blocks are fixedly connected to the front surface of the upper housing.
[0008] As a further description of the above technical solution:
[0009] The left end of the second spring is fixedly connected to the right side of the buckle, the right end of the second spring is fixedly connected to the left side of the circular ring, and a round rod penetrates through and is slidably connected to the top of the circular ring.
[0010] As a further description of the above technical solution:
[0011] A disc is fixedly connected to the lower outer wall of the round rod, and the disc is slidably connected to the inner wall of the ring.
[0012] As a further description of the above technical solution:
[0013] The disc and the ring are elastically connected by a first spring. One end of the first spring is fixedly connected to the inner wall of the top of the ring, the bottom end of the first spring is fixedly connected to the top end of the disc, the first spring is sleeved on the outer wall of the round rod, and the round rod is inserted into the inner wall of the round groove.
[0014] As a further description of the above technical solution:
[0015] The protection plate is rotatably connected between two groups of positioning blocks, and a limiting groove is formed on the right side of the protection plate.
[0016] As a further description of the above technical solution:
[0017] A sliding rod is slidably connected to the right side of the positioning block, and a guiding plate is fixedly connected to the right side of the sliding rod.
[0018] As a further description of the above technical solution:
[0019] A limiting rod is fixedly connected to the lower left side of the guiding plate near the lower part of the sliding rod. There are two groups of limiting rods, and the two groups of limiting rods are symmetrically arranged with the center line of the sliding rod as the axis of symmetry. The limiting rod is inserted into the inner wall of the limiting groove.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, by setting the ring and the second spring, the buckle can push and squeeze the label paper to the left. At the same time, it is not necessary to always adjust the buckle to be tightened when the label paper is not installed. When installing different label papers, the position of the buckle and the second spring can be adjusted by sliding out the round rod and then moving the ring, so as to adapt to the installation of label papers with different widths, and at the same time, the steps of moving the buckle are reduced, thereby improving the efficiency of paper changing.
[0022] 2. In the utility model, by setting the protection plate, the paper cutting blade can be blocked to prevent accidental contact with the paper cutting blade when not in use, so as to avoid injury, thereby improving the safety during storage. At the same time, it can block dust and improve the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic three-dimensional structure diagram of the overall device in the utility model;
[0024] Figure 2 It is a schematic exploded view of the three-dimensional structure of the guide plate in the present utility model;
[0025] Figure 3 It is a schematic exploded view of the three-dimensional structure of the upper shell and the lower shell in the present utility model;
[0026] Figure 4 It is a schematic exploded view of the three-dimensional structure of the label shaft and the buckle and a schematic cross-sectional view of the three-dimensional structure of the ring in the present utility model.
[0027] Legend description:
[0028] 1. Lower shell; 2. Upper shell; 3. Protective plate; 4. Label shaft; 31. Guide plate; 32. Limiting rod; 33. Slide rod; 34. Limiting groove; 41. Circular groove; 42. Disc; 43. First spring; 44. Round rod; 45. Ring; 46. Buckle; 47. Second spring. Detailed implementation manners
[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0030] Refer to Figure 1 , Figure 3 and Figure 4 , an embodiment provided by the present utility model: A thermal printer for quickly changing paper, including a lower shell 1, an upper shell 2 is arranged at the top of the lower shell 1, the upper shell 2 is the printer housing, a label shaft 4 is arranged below the upper shell 2 near the top of the lower shell 1, the label shaft 4 is a support shaft for installing label paper, an adjustment assembly is arranged on the outer wall of the label shaft 4, the adjustment assembly includes a buckle 46, the buckle 46 can clamp the label paper tightly, the buckle 46 is sleeved on the outer wall of the label shaft 4, a circular groove 41 is opened at the top of the label shaft 4 and multiple groups are opened, the circular groove 41 and the round rod 44 can adjust the position of the ring 45, a ring 45 is arranged on the right side of the buckle 46, the ring 45 and the second spring 47 can squeeze the buckle 46, so that the buckle 46 can always push the label paper to the left, without manually moving and adjusting the clamping anymore, the ring 45 slides on the outer wall of the label shaft 4, the buckle 46 and the ring 45 are elastically connected by the second spring 47, and the second spring 47 can make the buckle 46 always clamp the label paper tightly.
[0031] Refer to Figure 1 , Figure 2 and Figure 3, a protection component is provided on the front surface of the upper housing 2. The protection component includes a protection plate 3 for protecting the paper cutting blade. The protection plate 3 is rotatably connected to the lower part of the front surface of the upper housing 2. Two groups of positioning blocks are fixedly connected to the front surface of the upper housing 2, and the positioning blocks support the protection plate 3.
[0032] Refer to Figure 1 , Figure 3 and Figure 4 , the left end of the second spring 47 is fixedly connected to the right side of the buckle 46, the right end of the second spring 47 is fixedly connected to the left side of the ring 45, the top of the ring 45 penetrates and is slidably connected to a round rod 44. When the round rod 44 is inserted into the round groove 41, the ring 45 can be limited. A disc 42 is fixedly connected to the outer wall of the lower part of the round rod 44. The disc 42 supports the first spring 43 and cooperates with the first spring 43 to make the round rod 44 slide into the round groove 41. The disc 42 is slidably connected to the inner wall of the ring 45. The disc 42 and the ring 45 are elastically connected by the first spring 43. One end of the first spring 43 is fixedly connected to the inner wall of the top of the ring 45, the bottom end of the first spring 43 is fixedly connected to the top of the disc 42, the first spring 43 is sleeved on the outer wall of the round rod 44, and the round rod 44 is inserted into the inner wall of the round groove 41. By inserting the round rod 44 into the round groove 41, the ring 45 can be positioned.
[0033] Refer to Figure 1 , Figure 2 and Figure 3 , the protection plate 3 is rotatably connected between two groups of positioning blocks. A rotating rod is fixedly connected between the two groups of positioning blocks. The protection plate 3 is rotatably connected to the outer wall of the rotating rod. A limiting groove 34 is opened on the right side of the protection plate 3. When the limiting rod 32 is inserted into the limiting groove 34, the protection plate 3 can be limited. A sliding rod 33 is slidably connected to the right side of the positioning block. The sliding rod 33 can only slide left and right inside the rotating rod and cannot rotate. A guide plate 31 is fixedly connected to the right side of the sliding rod 33. The guide plate 31 drives the limiting rod 32 to move. A limiting rod 32 for limiting the protection plate 3 is fixedly connected to the lower left side of the guide plate 31 near the lower side of the sliding rod 33. Two groups of limiting rods 32 are provided, and the two groups of limiting rods 32 are symmetrically arranged with the center line of the sliding rod 33 as the axis of symmetry. The limiting rod 32 is inserted into the inner wall of the limiting groove 34. After the protection plate 3 is rotated and opened, the protection plate 3 can be limited by inserting the upper limiting rod 32 into the limiting groove 34.
[0034] Working principle: When in use, when it is necessary to replace the label paper, the upper housing 2 above the printer can be opened, and then the label shaft 4 is taken out. After removing the used label paper and replacing it with a new one, the buckle 46 is squeezed. At this time, the label shaft 4 after replacing the new label paper is installed in the printer, and then the buckle 46 is squeezed to squeeze the second spring 47. The reverse force generated by the squeezing of the second spring 47 causes the second spring 47 to reversely squeeze the buckle 46, so that the buckle 46 always pushes the label paper to the left, eliminating the need for manual movement and adjustment for clamping, improving the speed of replacing the label paper. The label paper can be clamped without readjusting the buckle 46. In this way, during the printing process, the label paper always remains in the appropriate position, ensuring the printing quality. When it is necessary to replace label papers of different widths, the circular rod 44 can be moved to slide out of the circular groove 41 to release the limit of the circular ring 45. At this time, the position of the circular ring 45 can be adjusted as needed, so as to easily adapt to label papers of different widths for clamping, improving flexibility.
[0035] When it is necessary to use the paper cutting blade, pull the guide plate 31 to the right, driving the sliding rod 33 to slide on the right side of the positioning block. At the same time, the limiting rod 32 on the lower left side of the guide plate 31 is removed from the limiting groove 34 on the right side of the protective plate 3. At this time, the protective plate 3 can be freely rotated upward to open, exposing the paper cutting blade for use. After use, rotate the protective plate 3 to close it, and then push the guide plate 31 to insert the limiting rod 32 into the limiting groove 34 to limit the protective plate 3. This can effectively protect the paper cutting blade and prevent accidents.
[0036] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A thermal printer with fast paper replacement, comprising a lower housing (1), characterized in that: The top of the lower housing (1) is provided with an upper housing (2). A label shaft (4) is provided below the upper housing (2) near the top of the lower housing (1). An adjustment assembly is provided on the outer wall of the label shaft (4). The adjustment assembly includes a buckle (46). The buckle (46) is sleeved on the outer wall of the label shaft (4). The top of the label shaft (4) is provided with a plurality of circular grooves (41). A circular ring (45) is provided on the right side of the buckle (46). The circular ring (45) slides on the outer wall of the label shaft (4). The buckle (46) and the circular ring (45) are elastically connected by a second spring (47).
2. The thermal printer capable of quickly replacing paper according to claim 1, wherein: A protection assembly is provided on the front surface of the upper housing (2). The protection assembly includes a protection plate (3). The protection plate (3) is rotatably connected to the lower part of the front surface of the upper housing (2). Two positioning blocks are fixedly connected to the front surface of the upper housing (2).
3. A thermal printer for quickly changing paper according to claim 1, characterized in that: The left end of the second spring (47) is fixedly connected to the right side of the buckle (46). The right end of the second spring (47) is fixedly connected to the left side of the circular ring (45). A round rod (44) passes through and is slidably connected to the top of the circular ring (45).
4. A thermal printer capable of quickly changing paper according to claim 3, characterized in that: A disc (42) is fixedly connected to the outer wall of the lower part of the round rod (44). The disc (42) is slidably connected to the inner wall of the circular ring (45).
5. A thermal printer for quickly replacing paper according to claim 4, characterized in that: The disc (42) and the circular ring (45) are elastically connected by a first spring (43). One end of the first spring (43) is fixedly connected to the inner wall of the top of the circular ring (45). The bottom end of the first spring (43) is fixedly connected to the top of the disc (42). The first spring (43) is sleeved on the outer wall of the round rod (44). The round rod (44) is inserted into the inner wall of the circular groove (41).
6. The thermal printer capable of quickly replacing paper according to claim 2, wherein: The protection plate (3) is rotatably connected between the two positioning blocks. A limiting groove (34) is provided on the right side of the protection plate (3).
7. A thermal printer capable of quickly changing paper according to claim 2, characterized in that: A slide rod (33) is slidably connected to the right side of the positioning block. A guide plate (31) is fixedly connected to the right side of the slide rod (33).
8. A thermal printer capable of quickly changing paper according to claim 7, characterized in that: A limiting rod (32) is fixedly connected to the lower left side of the guide plate (31) near the lower part of the slide rod (33). There are two limiting rods (32). The two limiting rods (32) are symmetrically arranged with the center line of the slide rod (33) as the axis of symmetry. The limiting rod (32) is inserted into the inner wall of the limiting groove (34).