Thermal transfer ribbon issuing mechanism for wire marking machine

Abstract

The utility model discloses a thermal transfer ribbon issuing mechanism for a wire marking machine, which comprises a bottom plate, a thermal transfer ribbon issuing piece and a detection piece, the thermal transfer ribbon issuing piece is connected with the bottom plate, the thermal transfer ribbon issuing piece is used for supporting unused thermal transfer ribbons, the thermal transfer ribbon issuing piece comprises a mounting shaft and a thermal transfer ribbon issuing shaft, the lower end of the mounting shaft is fixed with the bottom plate, and the detection piece is arranged on the mounting shaft. The thermal transfer ribbon issuing shaft is rotationally arranged outside the mounting shaft in a sleeving mode, a code disc is arranged at the lower end of the thermal transfer ribbon issuing shaft, and a plurality of perforation holes are formed in the code disc in the circumferential direction at intervals. The detection piece is connected with the bottom plate and comprises a shading sensor, a transmitting end and a receiving end of the shading sensor are located on the two opposite sides of the coded disc respectively, and when the coded disc rotates, optical signals transmitted by the transmitting end can sequentially penetrate through the perforation holes to be received by the receiving end. The problems that in the prior art, after a thermal transfer ribbon is used up, printing of a wire marking machine is interrupted and printing efficiency is reduced due to the fact that the thermal transfer ribbon cannot be found in time and is not replaced in time are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a line number machine technical field, concretely relates to a carbon tape delivery mechanism for line number machine. BACKGROUND

[0002] The line number printer is also called line number printing machine, and is abbreviated as line number machine or marking machine. The full name is cable marking printer, also called line number printing machine or marking machine. The printing technology is heat transfer printing, and the printing precision can reach 300dpi. Characters can be printed on materials such as PVC sleeve, heat shrink tube and adhesive label. It is generally used for electrical control and power distribution equipment secondary line identification. It is a special equipment for electrical control, power distribution equipment and comprehensive wiring engineering wiring identification, which can meet the needs of power plant, electrical equipment factory, substation and power industry wire identification.

[0003] After the carbon tape on the carbon tape delivery shaft is consumed, the carbon tape delivery shaft will stop rotating, so that the printing work of the line number machine is interrupted. At present, the line number machines on the market do not have a structure for detecting whether the carbon tape delivery shaft stops rotating in order to save costs. If the operator cannot discover that the carbon tape is consumed in time, the line number machine will be interrupted in printing, the printing efficiency will be reduced, and the labels that have not been printed may become waste products and need to be reprinted, which not only wastes time but also increases the printing cost. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above technical defects, and provides a carbon tape delivery mechanism for line number machine, which solves the problem that the line number machine is interrupted in printing and the printing efficiency is reduced due to the fact that the carbon tape cannot be replaced in time after the carbon tape is consumed in the prior art.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a carbon tape delivery mechanism for line number machine, which comprises a bottom plate, a carbon tape delivery part and a detection part, the carbon tape delivery part is connected with the bottom plate, the carbon tape delivery part is used for supporting unused carbon tape, the carbon tape delivery part comprises a mounting shaft and a carbon tape delivery shaft, the lower end of the mounting shaft is fixed with the bottom plate, the carbon tape delivery shaft is rotatably sleeved outside the mounting shaft, the lower end of the carbon tape delivery shaft is provided with a code disc, and a plurality of shooting holes are arranged at intervals in the circumferential direction of the code disc; the detection part is connected with the bottom plate, the detection part comprises a light shielding sensor, the emitting end and the receiving end of the light shielding sensor are located on opposite sides of the code disc respectively, when the code disc rotates, the light signal emitted by the emitting end can be received by the receiving end through each shooting hole in turn.

[0007] In some embodiments, the upper end of the carbon tape delivery shaft is provided with a through hole, the upper end of the mounting shaft is provided with a protrusion, the protrusion extends to the outside of the carbon tape delivery shaft through the through hole, the protrusion is provided with a limiting piece, and an active gap exists between the limiting piece and the upper end of the carbon tape delivery shaft.

[0008] In some embodiments, the limiting piece is an elastic ring body, the elastic ring body is provided with an opening, the opening divides the elastic ring body into two free ends, and the protrusion is provided with an annular groove matched with the elastic ring body.

[0009] In some embodiments, a support frame and an elastic piece are further included, the support frame is fixedly connected with the bottom plate, the elastic piece is sleeved on the mounting shaft, one end of the elastic piece abuts against the carbon tape delivery shaft, the other end of the elastic piece abuts against the support frame, and when the elastic piece is in a free state, the upper end of the carbon tape delivery shaft abuts against the limiting piece, and when the elastic piece is in a compressed state, the upper end of the carbon tape delivery shaft is separated from the limiting piece.

[0010] In some embodiments, the support frame is provided with a through hole, and the lower end of the mounting shaft is arranged in the through hole.

[0011] In some embodiments, the carbon tape delivery shaft is provided with a first wear-resistant layer, the support frame is provided with a second wear-resistant layer, and the opposite ends of the elastic piece abut against the first wear-resistant layer and the second wear-resistant layer, respectively.

[0012] In some embodiments, the first wear-resistant layer and the second wear-resistant layer are all aluminum oxide ceramic sheets, polyurethane rubber sheets or high manganese steel sheets.

[0013] In some embodiments, the elastic piece is a damping spring.

[0014] In some embodiments, the carbon tape delivery shaft and the code disc are integrally formed.

[0015] In some embodiments, the detection piece further includes a sensor PCB board, the sensor PCB board is fixed with the bottom plate, and the light-shield sensor is connected with the sensor PCB board.

[0016] Compared with the prior art, the carbon tape feeding mechanism for the line number machine has the following advantages: the carbon tape feeding shaft is rotatably sleeved on the mounting shaft, the lower end of the carbon tape feeding shaft is provided with a code disc, the emitting end and the receiving end of the light shielding sensor are located on opposite sides of the code disc, when the code disc rotates, the light signal emitted by the emitting end can be received by the receiving end through each shot hole, when the carbon tape is exhausted, the code disc stops rotating, and the receiving end cannot receive the light signal emitted by the emitting end for multiple times, the code disc is monitored by the light shielding sensor to determine whether the code disc rotates, and the operator can be reminded to replace the carbon tape in time, and the line number machine can continuously operate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a sectional view of the carbon tape feeding mechanism for the line number machine provided by the utility model embodiment;

[0018] Figure 2 is a structural schematic view of the carbon tape feeding mechanism for the line number machine provided by the utility model embodiment;

[0019] Figure 3 is Figure 2 the enlarged schematic view of the A area in FIG. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0021] In order to solve the technical problems that the carbon tape cannot be found in time after being exhausted, and the line number machine is interrupted and the printing efficiency is reduced due to the untimely replacement of the carbon tape in the prior art, the utility model provides a carbon tape feeding mechanism for the line number machine, which can detect whether the carbon tape is exhausted, so that the operator can replace the carbon tape in time.

[0022] Please refer to Figures 1-3 , Figures 1-3For the carbon tape dispensing mechanism of a line number machine in one embodiment of the utility model, including bottom plate 1, carbon tape dispensing piece 2 and detection piece 3, carbon tape dispensing piece 2 with bottom plate 1 is connected, carbon tape dispensing piece 2 is used for supporting unused carbon tape, carbon tape dispensing piece 2 includes installation shaft 21 and carbon tape dispensing shaft 22, the lower end of installation shaft 21 is fixed with bottom plate 1, carbon tape dispensing shaft 22 rotates and is set outside installation shaft 21, the lower end of carbon tape dispensing shaft 22 is equipped with code disc 23, and code disc 23 is spaced apart and is equipped with multiple shot holes 231 along the circumference;Detection piece 3 with bottom plate 1 is connected, detection piece 3 includes light barrier sensor 31, the transmitting end and receiving end of light barrier sensor 31 are located at the opposite sides of code disc 23 respectively, when code disc 23 rotates, the light signal of transmitting end can be received by receiving end through each shot hole 231.

[0023] Specifically, the model of the light barrier sensor 31 is ESM-SX670-WR, the light barrier sensor 31 has a transmitting end and a receiving end, the transmitting end emits light through an infrared LED, and the receiving end is a photosensitive diode. When the transmitting end and the receiving end are located at the position of the shot hole 231 without being blocked by an object, the receiving end will receive the light emitted by the transmitting end and passing through the shot hole 231.

[0024] On the basis of the above-mentioned scheme, in order to be able to install the carbon tape dispensing shaft 22, specifically,

[0025] The upper end of the carbon tape dispensing shaft 22 is provided with a through hole, the upper end of the installation shaft 21 is provided with a protrusion 211, the protrusion 211 extends to the outside of the carbon tape dispensing shaft 22 through the through hole, a limiting piece 212 is arranged on the protrusion 211, and an active gap exists between the limiting piece 212 and the upper end of the carbon tape dispensing shaft 22.

[0026] It should be noted that the carbon tape dispensing shaft 22 can rotate around the axis of the installation shaft 21 to dispense the carbon tape, wherein the carbon tape dispensing shaft 22 is integrally formed with the code disc 23.

[0027] In this specific embodiment, the limiting piece 212 is an elastic ring body, the elastic ring body has an opening, the opening breaks the elastic ring body to form two free ends, the protrusion 211 is provided with an annular groove matched with the elastic ring body, and the elastic ring body can be clamped in the annular groove.

[0028] On the basis of the above-mentioned scheme, in order to avoid the carbon tape dispensing shaft from rotating randomly and causing the light barrier sensor to misjudge, specifically, a support frame 4 and an elastic piece 5 are further included, the support frame 4 is fixedly connected with the bottom plate 1, the elastic piece 5 is sleeved on the installation shaft 21, one end of the elastic piece 5 abuts against the carbon tape dispensing shaft 22, and the other end of the elastic piece 5 abuts against the support frame 4.

[0029] Need to explain, the elastic piece 5 in free state, the upper end of the carbon tape delivery shaft 22 and the limiting piece 212 abut, and there is friction between the carbon tape delivery shaft 22 and the limiting piece 212, which can avoid the carbon tape delivery shaft rotating randomly, when the carbon tape cartridge is installed on the carbon tape delivery shaft 22, the elastic piece 5 will be in a compressed state, the upper end of the carbon tape delivery shaft 22 will be separated from the limiting piece 212.

[0030] In the specific embodiment, the support frame 4 has a through hole 41, and the lower end of the mounting shaft 21 is arranged in the through hole 41.

[0031] Among them, the elastic piece 5 is a damping spring, and it needs to be explained that the long-time rotating friction between the damping spring and the plastic carbon tape delivery shaft 22 and the support frame 4 will cause the carbon tape delivery shaft 22 and the support frame 4 to wear grooves, which will affect the service life, in the specific embodiment, the carbon tape delivery shaft 22 is provided with a first wear-resistant layer 221, and the support frame 4 is provided with a second wear-resistant layer 42, and the opposite ends of the elastic piece 5 are respectively abutted with the first wear-resistant layer 221 and the second wear-resistant layer 42.

[0032] Need to explain, the first wear-resistant layer 221 and the second wear-resistant layer 42 need to have good wear resistance, in one embodiment, the first wear-resistant layer 221 and the second wear-resistant layer 42 are both alumina ceramic sheets, of course, in other embodiments, the first wear-resistant layer 221 and the second wear-resistant layer 42 can also be polyurethane rubber sheets or high manganese steel sheets.

[0033] In the specific embodiment, the detection piece 3 further comprises a sensor PCB board 32, the sensor PCB board 32 is fixed with the bottom plate 1, and the light shielding sensor 31 is connected with the sensor PCB board 32, it needs to be explained that the sensor PCB board is a circuit board for installing and connecting sensors and related electronic components, which plays a crucial role in various sensor systems, responsible for signal processing, data transmission and power supply functions, and the sensor PCB board can transmit the detection signal of the light shielding sensor 31 to the processor of the wire number machine.

[0034] The specific embodiments of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and deformations made according to the technical concept of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A carbon tape dispensing mechanism for a line marker, comprising a base plate, a carbon tape dispensing member, and a detecting member, the carbon tape dispensing member being connected to the base plate, the carbon tape dispensing member being used to support unused carbon tape, characterized in that, The carbon tape dispensing member comprises a mounting shaft and a carbon tape dispensing shaft, the lower end of the mounting shaft is fixed with the bottom plate, the carbon tape dispensing shaft is rotatably sleeved outside the mounting shaft, the lower end of the carbon tape dispensing shaft is provided with a code disc, and a plurality of perforations are arranged on the code disc at intervals in the circumferential direction. The detection member is connected with the bottom plate, the detection member comprises a light barrier sensor, the emitting end and the receiving end of the light barrier sensor are located on opposite sides of the code disc respectively, when the code disc rotates, the light signal emitted by the emitting end can be sequentially transmitted through each perforation and received by the receiving end.

2. A carbon tape dispensing mechanism for a wire marker according to claim 1, wherein, The upper end of the carbon tape dispensing shaft is provided with a through hole, the upper end of the mounting shaft is provided with a protrusion, the protrusion extends to the outside of the carbon tape dispensing shaft through the through hole, the protrusion is provided with a limiting member, and there is a movable gap between the limiting member and the upper end of the carbon tape dispensing shaft.

3. A carbon tape dispensing mechanism for a wire marker as defined in claim 2, wherein, The limiting member is an elastic ring body, the elastic ring body has an opening, the two free ends of the elastic ring body are formed by the opening, and the protrusion is provided with an annular groove matched with the elastic ring body.

4. The carbon tape dispensing mechanism for a wire marker according to claim 2, wherein Further comprising a support frame and an elastic member, the support frame is fixedly connected with the bottom plate, the elastic member is sleeved on the mounting shaft, one end of the elastic member abuts against the carbon tape dispensing shaft, the other end of the elastic member abuts against the support frame, and when the elastic member is in a free state, the upper end of the carbon tape dispensing shaft abuts against the limiting member, and when the elastic member is in a compressed state, the upper end of the carbon tape dispensing shaft is separated from the limiting member.

5. A carbon tape dispensing mechanism for a wire marker according to claim 4, wherein, The support frame has a through hole, and the lower end of the mounting shaft is arranged in the through hole.

6. A carbon tape dispensing mechanism for a wire marker as defined in claim 4 wherein, The carbon tape dispensing shaft is provided with a first wear-resistant layer, the support frame is provided with a second wear-resistant layer, and the opposite ends of the elastic member abut against the first wear-resistant layer and the second wear-resistant layer respectively.

7. A carbon tape dispensing mechanism for a wire marker according to claim 6 wherein, The first wear-resistant layer and the second wear-resistant layer are both aluminum oxide ceramic sheets, polyurethane rubber sheets or high manganese steel sheets.

8. A carbon tape dispensing mechanism for a wire marker according to claim 4 wherein, The elastic member is a damping spring.

9. The carbon tape dispenser mechanism for a wire marker according to claim 1, wherein, The carbon tape dispensing shaft and the code disc are integrally formed.

10. The carbon tape dispenser mechanism for a wire marker according to claim 1, wherein, The detection member further comprises a sensor PCB, the sensor PCB is fixed with the bottom plate, and the light barrier sensor is connected with the sensor PCB.

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