Label reel for label printers

Abstract

The present invention discloses a label winding box for a label printer, comprising a box body, a servo motor, a rotating shaft, a winding wheel and a transmission mechanism; the rotating shaft is rotatably installed on the side wall of the box body and horizontally extends into the box body; the servo motor is fixedly installed in the box body, and the output shaft of the servo motor is connected to the rotating shaft through the transmission mechanism; the winding wheel is detachably installed on the rotating shaft; the transmission mechanism comprises a driving wheel installed on the output shaft of the servo motor and a driven wheel installed on the rotating shaft; the label winding box for the label printer of the present invention is placed on the front side of the label printer, and the rotating shaft and the winding wheel are driven to rotate by the servo motor, so that the label strip is directly wound on the winding wheel after being printed, and can be directly loaded into the label box after being taken down, without the need for special personnel to organize, thereby improving convenience.

Description

Technical Field

[0001] The invention belongs to the technical field of label printing, and in particular relates to a label winding box for a label printer. Background Art

[0002] A label printer is a professional printing device that uses self-adhesive labels, thermal labels, PET labels, hang tags, washed cloths, etc. as printing media and can quickly print barcodes (including serial numbers), text, symbols, and pictures in large quantities. However, there is currently no label collection and release device that matches the label printer. When a large number of labels are printed at one time, the printed label sheets cannot be automatically stored in a regular manner, especially when they need to be rolled up and placed in a label box. They all need to be rewound manually, which is time-consuming and labor-intensive. Summary of the invention

[0003] In view of the defects in the prior art, the present invention provides a label winding box for a label printer, which is placed on the front side of the label printer. The servo motor drives the rotating shaft and the reel to rotate, so that the label strip is directly wound on the reel after being printed, and can be directly loaded into the label box after being taken down. There is no need for special personnel to organize it, thereby improving convenience.

[0004] The label winding box for a label printer of the present invention comprises a box body, a servo motor, a rotating shaft, a reel and a transmission mechanism; the rotating shaft is rotatably installed on the side wall of the box body and extends horizontally into the box body; the servo motor is fixedly installed in the box body, and the output shaft of the servo motor is transmission-connected with the rotating shaft through the transmission mechanism; the reel is detachably installed on the rotating shaft; the transmission mechanism comprises a driving wheel installed on the output shaft of the servo motor and a driven wheel installed on the rotating shaft; the detachable installation structure between the reel and the rotating shaft can be threaded, clamped or directly assembled together, all of which can realize their functions, and a battery pack for powering the servo motor is also installed in the box body, and the battery pack and the servo motor are connected and controlled by conventional technologies such as circuits and switches.

[0005] Furthermore, the inner end of the rotating shaft is a square head, and a first circular baffle is fixed on the rotating shaft; the reel includes a reel and a second circular baffle, one end of the reel is provided with a square hole matching the square head of the rotating shaft, the second circular baffle is fixed to the other end of the reel, and the reel is mounted on the square head of the rotating shaft through the square hole to achieve a detachable connection and to rotate synchronously. After installation, the first circular baffle and the second circular baffle are arranged at both ends of the reel, and the width between the two is reasonably set according to the width of the label joint, so that effective limiting is performed during the winding process of the label joint.

[0006] Furthermore, permanent magnets are respectively embedded and fixed on the side surface of the square head and the inner wall of the square hole, so that the reel is inserted into the square head of the rotating shaft through the square hole and positioned by the adsorption force of the permanent magnets to ensure the stability of the connection structure.

[0007] Furthermore, the driven wheel includes an inner wheel, an outer wheel, a compression spring and a pressure sensor; the inner wheel is fixed to the outer end of the rotating shaft, the outer wheel is mounted on the outer side of the inner wheel, the outer circle of the inner wheel is provided with a plurality of outer teeth, the inner circle of the outer wheel is provided with inner teeth with the same number as the outer teeth, the outer teeth and the inner teeth are arranged alternately, and a compression spring and a pressure sensor are installed between each inner tooth and the clockwise outer tooth, the pressure sensor is fixed between the inner tooth surface and the corresponding compression spring, the speed of the servo motor is controlled by the pressure value fed back by each pressure sensor, the servo motor can be controlled by a single-chip microcomputer or PCL, each pressure sensor sends a pressure signal to the single-chip microcomputer or PCL respectively, and a reasonable pressure threshold is set. When the pressure values ​​detected by all pressure sensors are less than the threshold, the single-chip microcomputer or PCL sends a rotation signal to the servo motor to control the rotation of the servo motor; when any pressure value exceeds the threshold, the single-chip microcomputer or PCL sends a stop signal to the servo motor to control the servo motor to pause, so that the reel rotates under a certain driving force to keep the label chain tightened.

[0008] Furthermore, the driving wheel and the driven wheel are connected via a toothed belt transmission, and the outer circle of the outer wheel and the outer circle of the driving wheel are both provided with gear teeth.

[0009] The beneficial effect of the present invention is that the label winding box for the label printer of the present invention is placed on the front side of the label printer, and the rotating shaft and the winding wheel are driven to rotate by the servo motor, so that the label strip is directly wound on the winding wheel after being printed, and can be directly loaded into the label box after being taken down, without the need for special personnel to organize it, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0011] Figure 1 It is a structural schematic diagram of the present invention;

[0012] Figure 2 Schematic diagram of the reel structure;

[0013] Figure 3 It is a schematic diagram of the use state of the present invention. DETAILED DESCRIPTION

[0014] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0015] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0016] like Figure 1 As shown: the label reel box for the label printer of this embodiment comprises a box body 5, a servo motor 12, a rotating shaft 14, a reel and a transmission mechanism; the rotating shaft 14 is rotatably mounted on the side wall of the box body 5 and horizontally extends into the box body 5; the servo motor 12 is fixedly mounted in the box body 5, and the output shaft of the servo motor 12 is connected to the rotating shaft 14 through the transmission mechanism; the reel is detachably mounted on the rotating shaft 14; the transmission mechanism comprises a driving wheel 11 mounted on the output shaft of the servo motor 12 and a driven wheel mounted on the rotating shaft 14 ; The detachable mounting structure between the reel and the rotating shaft 14 can be a threaded connection, a snap-on connection or a direct assembly together, all of which can achieve their functions. A battery pack 13 for powering the servo motor 12 is also installed in the box body 5. The battery pack 13 and the servo motor 12 are connected and controlled through conventional technologies such as circuits and switches; the label winding box for the label printer is placed on the front side of the label printer 17, and the end of the printed label roll is connected to the reel. After starting the servo motor, the printed label roll can be wound on the reel.

[0017] In this embodiment, the inner end of the rotating shaft 14 is a square head 16, and a first circular baffle 1 is fixed on the rotating shaft 14; the reel includes a reel 2 and a second circular baffle 4, one end of the reel 2 is provided with a square hole matching the square head 16 of the rotating shaft 14, and the second circular baffle 4 is fixed to the other end of the reel 2, and the reel 2 is mounted on the square head 16 of the rotating shaft 14 through the square hole to achieve a detachable connection and can rotate synchronously. After installation, the first circular baffle 1 and the second circular baffle 4 are arranged at both ends of the reel 2, and the width between the two is reasonably set according to the width of the label link 18, so that the label link 18 can be effectively limited during the winding process; the outer circle of the reel 2 is provided with an axially extending narrow slit 3, and the end of the label link 18 can be inserted into the narrow slit 3.

[0018] In this embodiment, permanent magnets 15 are respectively embedded and fixed on the side of the square head 16 and the inner wall of the square hole, so that the reel 2 is inserted into the square head 16 of the rotating shaft 14 through the square hole and then positioned by the adsorption force of the permanent magnets 15 to ensure the stability of the connection structure.

[0019] In this embodiment, the driven wheel includes an inner wheel 9, an outer wheel 6, a compression spring 7 and a pressure sensor 8; the inner wheel 9 is fixed to the outer end of the rotating shaft 14, the outer wheel 6 is sleeved on the outer side of the inner wheel 9, the outer circle of the inner wheel 9 is provided with a plurality of external teeth, the inner circle of the outer wheel 6 is provided with internal teeth with the same number as the external teeth, the external teeth and the internal teeth are arranged alternately, and a compression spring 7 and a pressure sensor 8 are installed between each internal tooth and the clockwise external tooth, the pressure sensor 8 is fixed between the surface of the internal tooth and the corresponding compression spring 7, the speed of the servo motor 12 is controlled by the pressure value fed back by each pressure sensor 8, and the servo The servo motor 12 can be controlled by a single-chip microcomputer or PCL. Each pressure sensor 8 sends a pressure signal to the single-chip microcomputer or PCL respectively, and a reasonable pressure threshold is set. When the pressure values ​​detected by all pressure sensors 8 are less than the threshold, the single-chip microcomputer or PCL sends a rotation signal to the servo motor 12 to control the servo motor 12 to rotate; when any pressure value exceeds the threshold, the single-chip microcomputer or PCL sends a stop signal to the servo motor 12 to control the servo motor 12 to pause, so that the reel rotates under a certain driving force to keep the label link 18 tightened.

[0020] In this embodiment, the driving wheel 11 and the driven wheel are connected through a toothed belt 10 , and the outer circumference of the outer wheel 6 and the outer circumference of the driving wheel 11 are both provided with gear teeth.

[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A label reel box for a label printer, characterized in that: It includes a box body, a servo motor, a rotating shaft, a reel and a transmission mechanism; the rotating shaft is rotatably installed on the side wall of the box body and extends horizontally into the box body; the servo motor is fixedly installed in the box body, and the output shaft of the servo motor is connected to the rotating shaft through the transmission mechanism; the reel is detachably installed on the rotating shaft; the transmission mechanism includes a driving wheel installed on the output shaft of the servo motor and a driven wheel installed on the rotating shaft; the driven wheel includes an inner wheel, an outer wheel, a compression spring and a pressure sensor; the inner wheel is fixed to the outer end of the rotating shaft, the outer wheel is sleeved on the outer side of the inner wheel, the outer circle of the inner wheel is provided with a plurality of external teeth, the inner circle of the outer wheel is provided with internal teeth with the same number as the external teeth, the external teeth and the internal teeth are arranged alternately, and a compression spring and a pressure sensor are installed between each internal tooth and the clockwise external tooth, the pressure sensor is fixed between the surface of the inner tooth and the corresponding compression spring, and the speed of the servo motor is controlled by the pressure value fed back by each pressure sensor.

2. The label reel box for a label printer according to claim 1, characterized in that: The inner end of the rotating shaft is a square head, and a first circular baffle is fixed on the rotating shaft; the reel includes a reel and a second circular baffle, one end of the reel is provided with a square hole matching the square head of the rotating shaft, and the second circular baffle is fixed to the other end of the reel.

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