WO2021164130A1

WO2021164130A1 - Label printing apparatus

Info

Publication number: WO2021164130A1
Application number: PCT/CN2020/087862
Authority: WO
Inventors: 吕高仁; 唐东杰
Original assignee: 深圳市博思得科技发展有限公司
Priority date: 2020-02-20
Filing date: 2020-04-29
Publication date: 2021-08-26
Also published as: CN113276566A

Abstract

A label printing apparatus, comprising a print head assembly (1), an upper cantilever beam (102) mounted on a sidewall (3), and a print head assembly sidewall mounting part (4) mounted on the upper cantilever beam (102), further comprising a rubber roller assembly (2) having one end mounted on the sidewall (3) and a rubber roller assembly sidewall mounting part (5) connected to the other end of the rubber roller assembly (2), and further comprising a connecting part (6) between the print head assembly sidewall mounting part (4) and the rubber roller assembly sidewall mounting part (5) for connecting the two structures together and a passage channel (7) for consumables replacement.

Description

Label printing device

Technical field

The invention relates to the technical field of label printing, in particular to a label printing device that can be used in industrial label printing equipment.

Background technique

Industrial label printers such as direct thermal label printers and thermal transfer label printers. When the thermal transfer label printer is working, the thermal print head heats the ribbon attached to the printing medium (either plain paper or polymer paper). The ink coating on the thermal transfer ribbon will be affected by the The print head is heated and melted and released from the base film of the carbon ribbon under the pressure of the print head to transfer to the printing medium, thereby displaying the content to be printed. When the direct thermal label printer is working, the thermal print head heats the printing medium with the thermal coating for heating, so that the thermal coating develops color to show the content that needs to be printed. Industrial label printers generally use a metal structure, and the movement module is its core component. The quality of the movement module directly affects the printing accuracy and reliability, and is the most important component of the overall stability and durability of the printer. Whether it is direct thermal or thermal transfer printing, the heat of the heating element on the print head must be transferred to the printing consumables to complete the printing action. The heat transfer method is thermal conduction, which requires the print head to tightly print the consumables. Press on the rubber roller. According to the technical specifications given by the print head manufacturer, the pressing force is approximately: the pressure of the print head to the rubber roller can be 3N/cm. Therefore, the relative position of the print line on the print head and the rubber roller involved in the print head assembly is very important. If there is a deviation or misalignment, it will cause the printing effect to be unclear and the ribbon to wrinkle and other faults.

The movement structure of the prior art is divided into one-piece type and semi-split type. If all the movement parts are fixed as a whole, it constitutes an integrated movement structure; if the upper and lower parts of the movement module are only fixedly connected by one side wall (left side wall), and on the other side wall (right side wall) ) There is no fixed connection, and it is divided into upper and lower parts to install the components of the movement module on the left side wall respectively to form a semi-split movement structure. Among them, the integrated movement has guaranteed accuracy and stable structure, but the consumables are inconvenient to assemble and disassemble; the semi-split movement: the accuracy is difficult to guarantee, the structural stability is poor, but the consumables are easy to assemble and disassemble.

technical problem

The technical problem to be solved by the present invention is that, in view of the above-mentioned defects of the prior art, a label printer is provided, which can easily replace the consumables while overcoming the defects that are easily deformed, which affects the printing effect and causes the ribbon to wrinkle.

Technical solutions

A label printing device provided in accordance with the present invention includes: a print head assembly, an upper cantilever beam mounted on the side wall, and a side wall mounting part of the print head assembly mounted on the upper cantilever beam, and also includes one end mounted on the side wall The rubber roller assembly on the upper side and the side wall mounting part of the rubber roller assembly connected to the other end of the rubber roller assembly also include a structure between the side wall mounting part of the print head assembly and the side wall mounting part of the rubber roller assembly for connecting the two structures together. The connecting part and the passage for replacing consumables, the side wall mounting part of the glue stick assembly is provided with a glue stick mounting bearing near the connecting part, and the glue roller assembly includes passing through the bearing on the side wall and the side wall of the glue stick assembly The bearing on the mounting part rotates and installs the rubber roller between the side wall and the side wall mounting part of the glue roller assembly, one end of the print head assembly is fixed to the side wall, and the other end is fixed to the print head assembly side On the wall mounting part.

In the above-mentioned label printing device of the present invention, the side wall mounting part of the print head assembly and the side wall mounting part of the glue roller assembly are respectively used for mounting the print head assembly and the rubber roller assembly on the side wall in sequence, and the connecting part is connected to the printing The side wall mounting part of the head assembly and the side wall mounting part of the glue stick assembly are an integrated structure, wherein the connecting part is used to ensure a rigid connection between the print head assembly and the glue stick assembly, and the connecting part is connected to the side of the print head assembly. The abutting width of the wall mounting part is smaller than the width of the side wall mounting part of the print head assembly, and the abutting width of the connecting part and the side wall mounting part of the glue stick assembly is smaller than the width of the side wall mounting part of the glue stick assembly, so that the width between the two A crossing channel is formed between the persons.

In the above-mentioned label printing device of the present invention, the width of the passage is greater than the width of the connecting portion adjacent to the side wall mounting portion of the glue stick assembly, and the width of the passage is greater than the width of the connecting portion and the side wall of the print head assembly. The mounting part is adjacent to the width.

In the above-mentioned label printing device of the present invention, the connecting portion includes a connecting plate, the width of the connecting plate is respectively smaller than the width of the upper side wall and the lower side wall, and the mounting portion and the mounting portion are respectively fixedly connected by the connecting plate Form a whole including the passage through.

In the above-mentioned label printing device of the present invention, the passage is provided with an openable and closable flexible dust shielding device, which includes a plastic upper cover mounted on the lower edge of the mounting portion and a plastic lower cover mounted on the upper edge of the mounting portion so that consumables can pass through between them. pass.

In the above-mentioned label printing device of the present invention, the print head assembly further includes: a print head support shaft mounted between the side wall and the print head assembly side wall mounting portion, and a rotatable shaft mounted on the print head support The print head support is a print head installed on the print head support for controlled heating/pressing to the printing consumables in the direction of the rubber roller.

In the above-mentioned label printing device of the present invention, it further includes a bottom paper tensioning mechanism for automatically peeling off paper. The bottom paper tensioning mechanism includes a peeling sheet for forming a peeling angle between the bottom paper and the paper output direction of the printer. When the bottom paper is tightened during the paper process, the top paper with adhesive is peeled off; the peeling rubber roller is used to drive the tensioning of the bottom paper; the bottom paper pressing roller is used to press the bottom paper against the peeling glue Friction is generated on the roller; the hook mechanism, both ends are rotatably installed on the side wall and the side wall installation part of the rubber roller assembly; the bottom paper pressure roller bracket is used to install the bottom paper pressure roller and apply pressure to the pressure roller; The two ends of one side of the bottom paper pressing roller bracket are respectively rotatably fixed on the side wall and the side wall mounting part of the rubber roller assembly, and the other side of the bottom paper pressing roller bracket is locked or released by a hook mechanism.

Beneficial effect

Implementing the label printing device provided by the present invention can well solve the problems existing in the prior art, because the print head assembly 1 and the rubber roller assembly 2 are respectively installed through the print head assembly side wall mounting portion 4 and the rubber roller assembly side wall respectively. The part 5 is installed on the side wall, and between the side wall mounting part 4 of the print head assembly and the side wall mounting part 5 of the glue roller assembly, a connecting part that integrates the two and a passage for replacing consumables are provided, so that the consumables The replacement is very convenient and the stability of the print head assembly 1 and the rubber roller assembly 2 is very good. Because the connection part is arranged at the rubber roller mounting bearing, the work can be kept stable during the force transmission process, and the connection part and the installation part itself can be saved. Material; Since the width of the connecting part is smaller than the width of the upper and lower side wall mounting parts (4, 5), a through passage can be formed to provide a passage for consumables when replacing consumables; because the width of the crossing passage is greater than the width of the connecting part, the ones that really need to be traversed The minimum distance can be reduced to 40 mm; since the present invention can also use the connecting plate to connect the side wall mounting parts (4, 5), so as to ensure the flexibility of the spacing of the side wall mounting parts (4, 5) and the stability of the printing performance, It also facilitates the installation of consumables; because the passage 6 of the present invention is provided with an openable and closable flexible dust shielding device, when the consumables are replaced, the distance of the consumables is very short. Consumables can pass through it, and when not replaced, the influence of possible dust on the print head is blocked; the label printing device of the present invention is also provided. The bottom paper tensioning mechanism used for automatic paper peeling makes the consumables in the use process form a steady stream of waste paper back to be tightened and maintained. In a word, the implementation of the label printing device provided by the present invention not only has good overall structural stability of the printer, but also convenient assembly and disassembly of consumables, and at the same time, it can ensure that the print head assembly is not affected by the dust in the environment through the passage through the passage.

Description of the drawings

FIG. 1 is a schematic diagram of the structure of a label printing device according to an embodiment of the present invention;

2 is a schematic diagram of another structure of the label printing device of the embodiment of the present invention

FIG. 3 is a schematic diagram of the related structure of the mounting part in the label printer of the embodiment of the present invention;

4 is an exploded schematic diagram of part of the structure of the label printing device of the embodiment of the present invention;

5 is a schematic diagram of a part of the structure of the print head assembly in the label printing device of the embodiment of the present invention;

6 is a schematic diagram of a related structure of a mounting part in a label printing device according to another embodiment of the present invention;

FIG. 7 is a schematic diagram of a related structure of a mounting part in a label printing device according to another embodiment of the present invention;

8 is a schematic structural diagram of a bottom paper tensioning unit in a label printing device according to another embodiment of the present invention;

9 is a schematic diagram of the installation of consumables in an embodiment of the label printing device of the present invention;

Fig. 10 is a schematic diagram of the consumable installation of a label printer in the prior art;

Figure 11 is a schematic structural diagram of a label printing device according to another embodiment of the present invention;

The unified explanation of each label in the figure is as follows:

1: print head assembly; 2: rubber roller assembly; 3: side wall; 31: bearing; 4: print head assembly side wall mounting part; 5: glue stick assembly side wall mounting part; 51: bearing; 6: connecting part; 7: Crossing passage; 71: lower cover elastic sheet; 72: upper cover elastic sheet: 8: connecting plate; 91: peeling sheet; 92: peeling rubber roller; 93: pressure roller; 94: hook mechanism; 95: Bottom paper pressing roller support; 102: upper cantilever beam; 103: print head; 104: print head support shaft; 201: rubber roller; 202: lower cantilever beam.

Embodiments of the present invention

As shown in 1, in the label printing device provided by the embodiment of the present invention, it includes: a print head assembly 1, a rubber roller assembly 2, and a print head assembly 1 and a rubber roller assembly 2 respectively for mounting the print head assembly 1 and the rubber roller assembly 2 on the side wall 3 in sequence. The side wall mounting part 4 of the print head assembly and the side wall mounting part 5 of the glue roller assembly. Wherein, the side wall 3 may be a part of the chassis of the printer, or a part of the chassis or the main structure of the printing module in the device or system. In order to realize the main axis of the print head assembly and the glue roller assembly required for label printing, they must be installed on the side wall 3 perpendicular to the side wall. In the embodiment of the present invention, the print head assembly side wall mounting portion 4 and the glue stick assembly side wall mounting portion 5 are respectively used, so that the print head assembly can be mounted on the side wall 3 through the mounting portion 4, wherein the upper cantilever beam 102 is mounted Between the side wall and the mounting portion 4, the glue stick assembly can be mounted on the side wall 3 through the mounting portion 5; the rubber roller 201 is mounted between the side wall and the mounting portion 5.

In the embodiment, the upper cantilever beam 102 and the lower cantilever beam 202 are fixed to the side wall 3 by positioning posts and fixing screws, and the two mounting parts 4 and 5 are fixed to the upper and lower cantilever beams 102 and 202 by positioning posts and fixing screws. superior.

The rubber roller 201 is mounted between the side wall 3 and the mounting part 5 through a bearing 31 mounted on the side wall 3 and a bearing 51 mounted on the mounting and mounting part 5. Whether it is direct thermal or thermal transfer printing, the heat of the heating element on the print head must be transferred to the printing consumables to complete the printing action. The heat transfer method is thermal conduction, which requires the print head to tightly print the consumables. Press on the rubber roller. According to the technical specifications given by the print head manufacturer, this pressing force is approximately 3N/cm, and the reaction force of this pressing force is to push up the upper part of the print head assembly 1 of the movement module and push the machine up. The rubber roller assembly 2 of the lower part of the core module is pushed down. At the same time, the frequent vibrations caused by the start/stop of the rubber roller when the printer is working, and the unevenness of the surface of the printing medium, such as the gap between die-cut labels and the perforation of tag-like media Etc., frequent vibrations caused by friction with the print head will cause shock loads on the movement module. Therefore, when the two mounting parts 4 and 5 are independent structures, part of the structure of the mounting part 4 will be deformed upward, and part of the structure of the mounting part 5 will be deformed downward. Therefore, the integration of the mounting parts 4 and 5 is necessary.

Combining Figures 1 and 3, it can be seen that between the side wall mounting portion 4 of the print head assembly and the side wall mounting portion 5 of the glue roller assembly, there is a connecting portion 6 that connects the two structurally together. Due to the width of the connecting portion 6 It is smaller than the installation parts 4 and 5, therefore, there is a passageway 7 between the installation parts 4 and 5 that can be used for replacement of consumables. With this passage 7, it is very easy to replace and add printing consumables. In the embodiment of FIG. 3, the connecting portion 6 is an integrated structure with the side wall mounting portion 4 of the print head assembly and the side wall mounting portion 5 of the glue roller assembly, wherein the connecting portion 6 can ensure the print head assembly 1 and the glue roller assembly. 2 to maintain a rigid connection between the two, the connecting portion 6 and the print head assembly side wall mounting portion 4 abutting width L1 is smaller than the width L3 of the print head assembly side wall mounting portion 4, the connecting portion 6 is adjacent to the glue stick assembly side wall mounting portion 5 The width L2 is smaller than the width L4 of the side wall mounting portion 5 of the glue stick assembly, thereby forming a passage 7 therebetween. The width L5 of the passage 7 is greater than the adjacent width L2 of the connecting portion 6 and the side wall mounting portion 5 of the rubber roller assembly, and also greater than the adjacent width L1 of the connecting portion 6 and the side wall mounting portion 4 of the print head assembly. If the L1 and L2 of the connecting part 5 are the same, the width of the connecting part 5 is the same as L1 and L2.

In an experimental comparison test, when the existing technology fully enclosed movement module, the distance that needs to be traversed when replacing consumables needs to be at least 60-80 mm. If the existing technology separate movement module is used, the consumables need to traverse. The distance is 0, but due to the reasons mentioned above, the vibration between the print head assembly and the rubber roller assembly during work will cause the print quality to be unguaranteed. However, the semi-closed movement module implemented by the present invention is used to install consumables. The minimum distance that needs to be traversed is only 15 mm. Obviously, such a short distance does not have any difficulty in replacing consumables. In the prior art label printer with a separate structure, in order to ensure the overall strength of the rubber roller assembly, the size of the rubber roller assembly 2 in the height direction is generally greater than 50 mm. In the embodiment of the present invention, the size of this part can be reduced. As small as 20mm, it reduces the size of the entire movement module while ensuring the stability of work and the convenience of replacing consumables.

As shown in Figure 2, the side wall mounting portion 5 of the rubber roller assembly is provided with a rubber roller mounting bearing 51 near the connecting portion 6, the side wall 3 is provided with a bearing 31 at a corresponding height, and the rubber roller 201 included in the rubber roller assembly 2 is different It is installed between the bearing 31 on the side wall 3 and the bearing 51 on the side wall mounting part 5 of the rubber roller assembly, so that the rubber roller 201 can rotate. The glue stick assembly 2 also includes a lower cantilever beam 202 with one end fixed on the side wall 3 with positioning posts and screws, and the other end is fixed by the glue stick assembly side wall mounting portion 5 through the positioning posts and screws.

The print head assembly 1 in Figure 1 includes an upper cantilever beam 102 in Figures 2 and 4, one end of which is fixed on the side wall 3 with positioning posts and screws, and the other end is fixed on the side wall of the print head assembly with positioning posts and screws.部4上. The print head assembly 1 also includes a print head support shaft 104, a printer support 101 mounted on the shaft 104 between the print heads, and a print head 103 mounted on the shaft 101 between the print heads. The print head assembly 1 is arranged between the side wall 3 and the mounting part 4, and the rubber roller assembly 2 is arranged between the side wall 3 and the mounting part 5, but below the print head assembly 1, the mounting parts 4 and 5 and the connecting parts The connecting part 6 together constitutes another side wall parallel to the side wall. Between the side wall 3 and the other side walls (4, 6, 5), the upper cantilever beam 102 and the lower cantilever beam 202 respectively support the mounting parts 4 and The mounting part 5 is rigidly connected to the side wall 3.

With reference to FIG. 4, the rubber roller assembly 2 includes a rubber roller 201 rotatably installed between the side wall 3 and the mounting portion 5, and a lower cantilever beam 202 whose one end is fixed on the side wall 3 in a cantilever manner. As shown in FIG. 4, the lower cantilever beam The cross section of 202 is smaller than that of the upper cantilever beam 102. Therefore, the area of the corresponding mounting part 4 is also larger than that of the mounting part 5. This is because the size of the print head assembly is larger than the size of the glue roller assembly, otherwise the mounting part may not be able to stably install the corresponding The parts are on the side wall 3. FIG. 4 also shows that the mounting part 4 has a plurality of mounting holes.

4 and 5 to see the specific structure of the print head assembly 1. In the print head assembly 1, through the upper cantilever beam 102, the mounting portion 4 and the side wall 3 are connected as a whole. The print head assembly 1 also includes: a print head support shaft 104 supported at both ends by the holes in the side wall 3 and the mounting portion 4, a print head support 104 mounted on the print head support shaft 104, and a print head support 104 mounted on the print head support 104 The print head 103. The print head 103 is used to control the pressure on the printing consumables on the rubber roller 201, the print head support 104 is used to install the print head 103, and the print head support shaft 104 is used to drive the print head to reverse and print through the print head support, or to apply pressure to the printing Consumables. Wherein, one end of the upper cantilever beam 102 is fixed on the side wall 3 in a cantilever manner, for example, positioning and installation are performed by positioning posts and screw holes.

In the embodiment shown in FIG. 4, the side wall mounting portion 4 of the print head assembly, the side wall mounting portion 5 of the glue roller assembly, and the connecting portion 6 between the mounting portions 4 and 5 are an integrated structure. This is because the connecting portion 6 is required to ensure a rigid connection between the print head assembly 1 and the glue roller assembly 2 and with the side wall 3 respectively. The connecting portion 6 connecting the mounting portions 4 and 5 and the hollowed through passage 7 are respectively adjacent to the side wall mounting portion 4 of the print head assembly and the side wall mounting portion 5 of the glue stick assembly, wherein, on the interface adjacent to the mounting portion 4, the connecting portion The abutting width of 6 is smaller than the abutting width of the hollow through passage 7. Similarly, on the abutting interface with the mounting portion 5, the abutting width of the connecting portion 6 is smaller than the abutting width of the hollow through passage 7, so as to ensure that the width of the connecting portion 6 is smaller than Through the width of the passage 7, an open consumable passage is formed as much as possible to facilitate the passage of the printing consumables. In this way, the width of the passage 7 is greater than the width of the connecting portion 6 adjacent to the side wall mounting portion 5 of the rubber roller assembly, and also larger than the width of the connecting portion 6 adjacent to the side wall mounting portion 4 of the print head assembly.

In another embodiment of the present invention shown in FIG. 6, the connecting portion, the mounting portion 4, and the mounting portion 5 are not integrally formed, but the connecting plate constituting the connecting portion connects the mounting portions 4 and 5 respectively, thereby connecting Into one. Specifically as shown in Figure 6, The connecting part includes a connecting plate 8. The width of the connecting plate 8 is smaller than the width of the upper side wall and the lower side wall respectively. The mounting parts 4 and 5 are respectively fixedly connected as a whole by the connecting plate 8. A passage 7 for printing consumables between parts 4 and 5. The advantage of using the connecting plate is that its height can be adjusted according to the needs to suit different combinations of printer core sizes. For example, to adapt to different sizes of print head components, it is only necessary to change the height of the connecting plate.

In another embodiment of the present invention shown in FIG. 7, elastic sheets 61 and 62 are respectively provided on the upper and lower sides of the passage 6 to form an openable and closable flexible dust shielding device, which may be installed on the lower edge of the mounting portion 4, respectively. The upper cover elastic sheet 62 and the lower cover elastic sheet 61 on the upper edge of the mounting portion 5 allow consumables to pass therethrough. In this way, the flexible opening and closing device arranged in the hollow passage does not affect the passage of the printing consumables, and can prevent the environmental dust from entering the print head component through the passage gap.

Returning to the label printing device of the embodiment of the present invention as shown in FIG. 2, the mounting part 4, the connecting part 6 and the mounting part 5 arranged in parallel with the side wall 3 constitute another side wall. In other words, this The other side wall includes an integrated installation part, namely the upper side wall part 4 and the lower side wall part 5, between which are formed a connecting part 6 and a through passage 7 formed by a gap. The connecting area 6 is arranged on the side close to the rubber roller 21, It is used to ensure that the upper and lower parts of the movement remain rigidly connected to form an integrated movement structure. The traversing channel is used to provide a channel for accessing consumables and provide convenience for accessing consumables. The other end of the upper cantilever beam 102 is fixedly connected to the mounting part 4, and the other end of the lower cantilever beam 202 is fixedly connected to the mounting part 5 to support the entire movement module.

In the label printing apparatus of the embodiment of the present invention, the print head assembly 1 includes a print head support 101, a print head 103 fixed on the print head support 101, a print head support shaft 104 and an upper cantilever beam 102. Both ends of the print head support shaft 104 are supported by holes provided on the side wall 3 and the mounting portion 4 respectively; both ends of the upper cantilever beam 102 are fixed on the side wall 3 and the mounting portion 4 respectively. The rubber roller assembly 2 includes a rubber roller 201 and a lower cantilever beam 202. Both ends of the lower cantilever beam 202 are fixed on the side wall 3 and the mounting portion 5 respectively. The two ends of the rubber roller 201 are rotatably mounted on the side wall 3 and the mounting part 5 respectively, and the printing head 103 is pressed on the rubber roller 201. The side wall 3 is fixed on the printer base, and the upper side wall 4 and the lower side wall 5 are not connected to the printer base. The upper cantilever beam 102 and the lower cantilever beam 202 are fixed on the side wall 3 in a cantilever manner, and support the entire movement module through a fixed connection with the mounting portion 4 and the mounting portion 5.

When the label printer is working, the reaction force of the pressing force applied during printing pushes the upper half of the movement module upwards and pushes the lower half of the movement module downwards. At the same time, the frequent vibrations caused by the start/stop of the rubber roller when the printing device is working, as well as the unevenness of the surface of the printing medium, such as the gap of die-cut labels, the perforation of tag-like media, etc., and the frequent vibrations caused by friction with the print head will affect the movement. The module generates an impact load. In this case, the structure of the movement module is prone to deformation, resulting in changes in the relative position of the printing line and the rubber roller on the print head, which directly affects the printing effect and causes the malfunction of the ribbon to wrinkle.

In this embodiment, because the upper mounting portion 4 and the lower mounting portion 5 are fixedly connected (or both are the same board), the lower cantilever beam 202 only needs to play an auxiliary role while ensuring the strength of the upper cantilever beam 102. Function, its overall size can be made small, and its thickness direction size is smaller than the diameter of the rubber roller, and can also be slightly larger than the diameter of the rubber roller.

In another embodiment, the lower cantilever beam 202 can be omitted. As shown in FIG. 11, in another embodiment of the present invention shown in FIG. 11, the core structure is the side wall 3 and the connecting portion 6 as a whole. Sections (4, 5) and the upper cantilever beam 102. The function of the upper cantilever beam is to fix the mounting portion 4, and by ensuring sufficient strength of the upper cantilever beam 102, sufficient strength between the mounting portion 4 and the side wall 3 can be ensured. At the same time, the upper cantilever beam 102 is between the side wall 3 and the mounting part 4, and forms the print head support shaft 104 of the print head assembly, the printer support 101 mounted on the print head support shaft 104, and the print head 101 mounted between the print heads. Print head 103. The print head assembly 1 is arranged between the side wall 3 and the mounting part 4. The rubber roller 201 is between the side wall 3 and the mounting portion 5. This embodiment does not have a lower cantilever beam, which has the advantage of compressing the installation space of the glue stick assembly, and while ensuring the stability, the compact structure of the movement can be realized.

In the embodiment of the present invention, the size of the lower cantilever beam is small, and a bottom paper tensioning mechanism for automatic paper peeling can be added in the saved position. In the embodiment shown in FIG. 8, the bottom paper tensioning mechanism includes a peeling sheet 91, which is used to form a peeling angle between the bottom paper and the paper output direction of the printer. The top paper is peeled off; the peeling rubber roller 92 is used to drive and tighten the bottom paper; the bottom paper pressing roller 93 is used to press the bottom paper against the peeling rubber roller 92 to generate friction; the bottom paper pressing roller The bracket 95 is used for mounting the bottom paper pressing roller 93 and applying pressure to the pressing roller 93; the two ends of the bottom paper pressing roller bracket 95 are respectively fixed on the side wall 3 and the lower mounting part 5 by rotating and fixing on the other side It is locked or released by the hook mechanism 94; the two ends of the hook mechanism are rotatably mounted on the side wall 3 and the lower mounting portion 5.

The above-mentioned printer with an automatic paper peeling mechanism can be made small because the size of the lower part of the movement can be made small, so it is suitable as a printer of an automatic labeling system on a production line. For the automatic labeling system, whether it is vacuum suction or rolling, the closer the paper outlet of the label printer to the label is, the better. In the label printer of the present invention as shown in Figure 9, the paper feeding path is horizontal; compared with the prior art label printer of Figure 10, the distance between the paper outlet and the bottom of the printer is very short; the hook is locked and released. The bottom paper pressing roller bracket makes the operation very convenient.

In the label printing device in the embodiment of the present invention, the convenience of installing consumables is much better than that of the integrated movement of the prior art, and the size of the movement is more compact than that of the separated structure.

The above are only preferred embodiments of the present invention, and do not limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description and drawings of the present invention, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of the present invention.

Claims

A label printing device, which is characterized by comprising: a print head assembly (1), an upper cantilever beam (102) mounted on the side wall (3), and a side of the print head assembly mounted on the upper cantilever beam (102) The wall mounting part (4) also includes a rubber roller assembly (2) with one end mounted on the side wall and a rubber roller assembly side wall mounting part (5) connected to the other end of the rubber roller assembly (2), and is also included in the print head assembly The connecting portion (6) between the side wall mounting portion (4) and the side wall mounting portion (5) of the glue stick assembly (5) for connecting the two structures together and the crossing channel (7) for replacing consumables, the glue stick The assembly side wall mounting part (5) is provided with a rubber roller mounting bearing (51) near the connecting part (6), and the rubber roller assembly (2) includes an upper bearing (31) passing through the side wall (3) and a rubber roller The bearing (51) on the side wall mounting part (5) of the assembly rotates the rubber roller (201) installed between the side wall (3) and the side wall mounting part (5) of the rubber roller assembly, and the print head assembly (1) One end is fixed on the side wall (3), and the other end is fixed on the side wall mounting part (4) of the print head assembly.
The label printing device according to claim 1, wherein the connecting portion (6) is an integrated structure with the side wall mounting portion (4) of the print head assembly and the side wall mounting portion (5) of the glue roller assembly, Wherein, the connecting portion (6) is used to ensure a rigid connection between the print head assembly (1) and the glue roller assembly (2), and the connecting portion (6) is adjacent to the side wall mounting portion (4) of the print head assembly The width (L1) is smaller than the width (L3) of the side wall mounting portion (4) of the print head assembly, and the abutting width (L2) of the connecting portion (6) and the side wall mounting portion (5) of the glue roller assembly is smaller than the width (L2) The width (L4) of the side wall mounting part (5) of the rubber stick assembly is described, thereby forming a through channel (7) between the two.
The label printing device according to claim 2, wherein the passing channel (7) The width (L5) is greater than the adjacent width (L2) of the connecting portion (6) and the side wall mounting portion (5) of the rubber roller assembly, and the width (L5) of the crossing passage is greater than the connecting portion (6) A width (L1) adjacent to the side wall mounting portion (4) of the print head assembly.
The label printing device according to claim 1, wherein the connecting portion (6) comprises a connecting plate (8), and the width (L6) of the connecting plate (8) is respectively smaller than the side wall of the print head assembly The width of the mounting portion (4) and the side wall mounting portion (5) of the rubber roller assembly. The mounting portion (4) and the mounting portion (5) are respectively fixedly connected by the connecting plate (8) to form a through channel (7) The whole.
The label printing device according to any one of claims 1 to 4, characterized in that the crossing passage (7) is provided with an openable and closable flexible dust shielding device, including a device mounted on the lower edge of the mounting part (4). The upper cover elastic sheet (71) and the lower cover elastic sheet (72) on the upper edge of the mounting part (5) allow consumables to pass therethrough.
The label printing device according to any one of claims 1-4, further comprising a lower cantilever beam (202), one end of which is fixed on the side wall (3), and the other end is fixed on the side wall of the glue stick assembly On the mounting part (5).
The label printing device according to any one of claims 1-4, wherein the side wall mounting portion (4) of the print head assembly is fixed to one end of the upper cantilever beam (102) by a positioning column and a screw, The other end of the upper cantilever beam (102) is fixedly installed on the side wall (3) through positioning posts and screws.
The label printing device according to any one of claims 1-4, wherein the print head assembly (1) further comprises: a mounting part (4) mounted on the side wall (3) and the print head assembly ) Between the print head support shaft (104), mounted on the print head support shaft (104), the rotatable print head support (101), mounted on the print head support (101) for controlled orientation of the glue The direction of the roller (201) heats/presses the print head (103) of the printing consumables.
The label printing device according to any one of claims 1-4, further comprising a bottom paper tensioning mechanism for automatically peeling paper, and the bottom paper tensioning mechanism includes a peeling sheet (91) for Form a peeling angle between the bottom paper and the paper output direction of the printer so that when the bottom paper is stretched during the paper output process, the surface paper with backing is peeled off; the peeling rubber roller (92) is used to drive and tighten the bottom paper; The bottom paper pressing roller (93) is used to press the bottom paper on the peeling rubber roller to generate friction; the hook mechanism (94), the two ends are rotatably installed on the side wall (3) and the side wall of the rubber roller assembly Part (5); the bottom paper pressure roller bracket (95), used to install the bottom paper pressure roller (93) and apply pressure to the pressure roller (93); the bottom paper pressure roller support (95) a The two ends of the side are respectively rotatably fixed on the side wall (3) and the side wall mounting part (5) of the rubber roller assembly. The bottom paper pressing roller bracket (95) is locked or locked by the hook mechanism (94) on the other side. freed.