CN111907222A

CN111907222A - Printer with cutter

Info

Publication number: CN111907222A
Application number: CN202010824201.9A
Authority: CN
Inventors: 熊鹏
Original assignee: Opos Xiamen Electronic Technology Co ltd
Current assignee: Opos Xiamen Electronic Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-10

Abstract

The invention discloses a printer with a cutter, which comprises a frame, a thermal printing head, a rubber roller and a cutter assembly, wherein the rubber roller is rotatably connected to the frame, the thermal printing head is always kept in contact with the side wall of the rubber roller under the action of external force, the cutter assembly is arranged at an outlet between the thermal printing head and the rubber roller, the cutter assembly comprises a movable cutter set and a fixed cutter set, the fixed cutter set comprises a fixed cutter, the movable cutter set comprises a movable cutter and a first driving mechanism, and the movable cutter moves towards or away from the fixed cutter under the driving of the first driving mechanism. The device has the advantages of compact structure, various functions and good user experience.

Description

Printer with cutter

Technical Field

The invention relates to the field of printer equipment, in particular to a printer with a cutter.

Background

Thermal printers have been widely used in the fields of POS terminal systems, logistics systems, takeaway note printing, and the like; most of such printers need to be torn down and used alone, and therefore need do special treatment to the printing paper to in tearing down the document that prints, nevertheless in the use, often because the action of tearing paper is too fast, lead to beating printing paper to be torn bad, have to print again, cause very not good user experience for the customer, consequently need develop a printer of taking the cutter.

Disclosure of Invention

In view of the above, it is desirable to provide a printer with a cutter capable of automatically cutting printing paper.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a take printer of cutter, includes frame, thermal printer head, rubber roll and cutter unit spare, the rubber roll rotates to be connected on the frame, the thermal printer head remains throughout under the exogenic action and contacts with the rubber roll lateral wall, the cutter unit spare sets up the exit between thermal printer head and rubber roll, the cutter unit spare is including activity knife tackle and fixed knife tackle, fixed knife tackle includes a quiet sword, activity knife tackle includes that one moves sword and a first actuating mechanism, move the sword and move or keep away from quiet sword towards quiet sword in the quiet sword of the driving mechanism's of ordering about down.

Preferably, the movable knife group further comprises a fixed block, and the movable knife is detachably mounted on the fixed block.

Preferably, first actuating mechanism includes first motor, screw rod and drive gear, first motor is connected with screw rod transmission, and the screw rod is connected with drive gear transmission, the drive gear terminal surface has a nose bar, a stroke groove has on the fixed block, nose bar sliding connection is in the stroke inslot to when making drive gear rotate, order about through the nose bar and move the sword and remove.

Preferably, a plurality of draw-in grooves and a plurality of buckle have on the fixed block, move and have a plurality of bayonets on the sword, thereby the top supports and moves the sword backward movement to the restriction of bayonet socket inside wall in the draw-in groove embedding bayonet socket, thereby the top supports and moves the sword forward movement to the restriction of bayonet socket inside wall in the buckle embedding bayonet socket.

Preferably, the frame is provided with a guide groove, and the fixing block is provided with a guide block which is slidably connected in the guide groove.

Preferably, one end of the guide groove is fixedly connected with a limit switch, and the guide block is used for triggering the limit switch when moving to the end part of the guide groove.

Preferably, the fixed knife group further comprises a moving frame, the fixed knife is arranged on the moving frame in a lifting manner, and a plurality of first springs for jacking the fixed knife are fixedly connected to the moving frame; the front end of the movable knife edge is provided with an arc plate which is tilted upwards, so that when the movable knife is close to the static knife, the arc plate forces the static knife to overcome the elastic force of the first spring to descend.

Preferably, a second motor is fixedly connected in the frame, an output end of the second motor is in transmission connection with a large module gear set, and an output end of the large module gear set is in transmission connection with the rubber roller.

Preferably, both ends of the frame are provided with a U-shaped clamping groove, both ends of the rubber roll are rotatably arranged in the clamping grooves, and a shaft in-place detection switch is arranged beside the clamping grooves.

Preferably, be provided with the anti-disengaging mechanism who prevents that the rubber roll from breaking away from the draw-in groove on the frame, anti-disengaging mechanism includes a switch board and the portion that resets, the switch board bottom rotates and connects on the frame, the both ends of switch board all have a cardboard, hook portion that catches on rubber roll tip top side has on the cardboard, the switch board still has an extension, presses down this extension, makes the switch board overcome the effort that resets and rotate the tie point around rotating to make hook portion break away from the rubber roll tip, loosen the pressing to the extension, the switch board resets under the effect that resets, and hook portion catches on rubber roll tip top.

Compared with the prior art, the invention has the following beneficial effects:

1. firm and durable, compact structure, but fast assembly.

2. The voltage specifications of 12V and 24V can be selected, and the applicability is strong.

3. The printing speed is high, the maximum printing speed can reach 220 mm/s, and larger paper rolls can be dragged.

4. The automatic cutter device which can be selected and matched realizes the conversion between full cutting and half cutting, can be manually retracted, and is convenient to maintain.

5. The shape system is very small, and the length is multiplied by the width and multiplied by the height is 87.7 multiplied by 75 multiplied by 30.4 mm.

6. The correlation type optical coupler can detect the existence of paper, can accurately detect the black mark of the paper and can detect the double sides of the paper.

7. The shaft in-place detection can detect whether the rubber shaft assembly is in place or not.

8. Simple positioning mode.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

Fig. 1 is a schematic forward structural diagram according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the rear direction in the embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a thermal print head and a rubber roller according to an embodiment of the invention.

Fig. 4 is a schematic structural diagram of a movable knife group in the embodiment of the invention.

Fig. 5 is a schematic structural view of the fixed block and the movable blade in the embodiment of the invention.

Fig. 6 is a schematic structural diagram of a fixed knife set in the embodiment of the invention.

In the figure: 1-frame, 11-rotating shaft, 12-shaft in-place detection switch, 13-guide groove, 14-paper guide plate, 2-fixed cutter set, 21-fixed cutter, 22-moving frame, 23-first spring, 3-movable cutter set, 31-convex rod, 32-limit switch, 4-second motor, 41-large module gear set, 5-rubber roller, 51-driven gear, 6-thermal print head, 61-heat dissipation plate, 7-switch plate, 71-hook part, 72-extension part, 8-moving cutter, 81-bayonet, 82-arc plate, 9-fixed block, 91-stroke groove, 92-clamping groove, 93-bayonet and 94-guide block.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-2, a printer with a cutter includes a frame 1, a thermal head 6, a rubber roller 5, and a cutter assembly.

Both ends of the frame 1 are provided with a U-shaped clamping groove, both ends of the rubber roller 5 are rotatably arranged in the clamping grooves, and a shaft in-place detection switch 12 is arranged beside the clamping grooves and can detect whether the rubber roller 5 is in place or not.

As shown in fig. 3, a second motor 4 is fixedly connected in the frame 1, an output end of the second motor 4 is in transmission connection with a large module gear set 41, an output end of the large module gear set 41 is in transmission connection with a rubber roller 5, one end of the rubber roller 5 is fixedly connected with a driven gear 51, and the driven gear 51 is meshed with an output end of the large module gear set 41. Through the large-module gear set 41, the printing speed is high and can reach 220 mm/second at most by using a large transmission ratio and a large-module gear, and a larger paper roll can be dragged.

Be provided with the anti-disengaging mechanism who prevents the rubber roll and break away from the draw-in groove on frame 1, bottom fixedly connected with pivot 11 in frame 1, anti-disengaging mechanism includes a switch board 7 and the portion of resetting, switch board 7 bottom is rotated and is connected in pivot 11, the both ends of switch board 7 all have a cardboard, hook portion 71 that catches on the rubber roll tip top side has on the cardboard, switch board 7 still has an extension 72, press down this extension 72, make switch board 7 overcome the effort of the portion of resetting and rotate around pivot 11, thereby make hook portion 71 break away from the rubber roll 5 tip, loosen the pressing to extension 72, switch board 7 resets under the effect of the portion of resetting, hook portion 71 catches on rubber roll 5 tip top. Wherein, the portion that resets adopts a plurality of extension springs, and the one end fixed connection of extension spring is on frame 1, and one end fixed connection is at switch board 7 top.

The thermal print head 6 is connected to a heat dissipation plate 61 through heat dissipation glue, the bottom of the heat dissipation plate 61 is rotatably connected to the rotating shaft 11, a plurality of second springs are fixedly connected to the frame 1, and one ends of the second springs abut against the heat dissipation plate 61, so that the thermal print head 6 is tightly attached to the side wall of the rubber roller 5.

The cutter component is arranged at an outlet between the thermal printing head 6 and the rubber roller 5 and comprises a movable cutter group 3 and a fixed cutter group 2.

As shown in fig. 4-5, the movable knife group 3 includes a first driving mechanism, a movable knife 8, a fixed block 9 and a limit switch 32, the first driving mechanism includes a first motor, a screw rod and a driving gear, the first motor is connected with the screw rod in a transmission manner, the screw rod is connected with the driving gear in a transmission manner, the end surface of the driving gear is provided with a protruding rod 31, the fixed block 9 is provided with a stroke slot 91, the protruding rod 31 is connected in the stroke slot 91 in a sliding manner, so that when the driving gear rotates, the movable knife is driven to approach or leave the stationary knife through the protruding rod 31.

Have a plurality of draw-in grooves 92 and a plurality of buckle 93 on the fixed block 9, have a plurality of bayonets 81 on moving the sword 8, thereby draw-in groove 92 imbeds bayonet 81 and pushes up and support the bayonet socket inside wall and restrict and move the sword backward, thereby the buckle 93 imbeds bayonet socket 81 and pushes up and support the bayonet socket inside wall and restrict and move the sword forward. The connection structure of fixed block 9 and moving sword 8 can enough restrict and move sword fixed connection on the fixed block, still makes to move the sword and has the function of quick dismantlement installation, in this embodiment, moves sword 8 and is half the cutter.

In this embodiment, the frame 1 has a guide groove 13, and the fixing block 9 has a guide block 94 slidably coupled in the guide groove. The limit switch 32 is fixedly installed at one end of the guide groove, and the guide block 94 is used for triggering the limit switch when moving to the end of the guide groove 13, so that the first motor stops running.

As shown in fig. 6, the fixed blade group 2 includes a fixed blade 21 and a movable frame 22, the fixed blade 21 is installed on the movable frame 22 in a liftable manner, and a plurality of first springs 23 for jacking up the fixed blade are fixedly connected to the movable frame 22; the front end of the movable knife edge is provided with an arc plate which is tilted upwards, so that when the movable knife is close to the static knife, the arc plate forces the static knife to overcome the elasticity of the first spring to descend.

The paper guide plate 14 is arranged on the frame 1, the paper guide plate 14 and the frame 1 jointly form a paper feed channel, the upper side and the lower side of the paper feed channel are provided with the correlation type optocouplers, the existence of paper can be detected, the black mark of the paper can be accurately detected, and double-sided detection is realized.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A printer with a cutter is characterized in that: including frame, thermal printer head, rubber roll and cutter unit spare, the rubber roll rotates to be connected on the frame, the thermal printer head remains throughout under the exogenic action and contacts with the rubber roll lateral wall, the cutter unit spare sets up the exit between thermal printer head and rubber roll, the cutter unit spare is including activity knife tackle and fixed knife tackle, fixed knife tackle includes a quiet sword, activity knife tackle includes one and moves sword and a drive mechanism, move the sword and move or keep away from quiet sword towards quiet sword under drive mechanism's the driving about.

2. The printer with cutter according to claim 1, wherein: the movable cutter set further comprises a fixed block, and the movable cutter is detachably mounted on the fixed block.

3. The printer with cutter according to claim 2, wherein: first actuating mechanism includes first motor, screw rod and drive gear, first motor is connected with screw rod transmission, and the screw rod is connected with drive gear transmission, the drive gear terminal surface has a nose bar, a stroke groove has on the fixed block, nose bar sliding connection is in the stroke inslot to when making drive gear rotate, order about through the nose bar and move the sword and remove.

4. The printer with cutter according to claim 2, wherein: the fixed block is provided with a plurality of clamping grooves and a plurality of buckles, the movable knife is provided with a plurality of bayonets, the clamping grooves are embedded into the bayonets and abut against the inner side walls of the bayonets to limit the movable knife to move backwards, and the buckles are embedded into the bayonets and abut against the inner side walls of the bayonets to limit the movable knife to move forwards.

5. The printer with cutter according to claim 2, wherein: the frame is provided with a guide groove, and the fixed block is provided with a guide block which is connected in the guide groove in a sliding manner.

6. The printer with cutter according to claim 5, wherein: one end of the guide groove is fixedly connected with a limit switch, and the guide block is used for triggering the limit switch when moving to the end part of the guide groove.

7. The printer with cutter according to claim 1, wherein: the fixed knife group also comprises a moving frame, the fixed knife is arranged on the moving frame in a lifting manner, and a plurality of first springs for jacking the fixed knife are fixedly connected to the moving frame; the front end of the movable knife edge is provided with an arc plate which is tilted upwards, so that when the movable knife is close to the static knife, the arc plate forces the static knife to overcome the elastic force of the first spring to descend.

8. The printer with cutter according to claim 1, wherein: the frame is internally and fixedly connected with a second motor, the output end of the second motor is in transmission connection with a large module gear set, and the output end of the large module gear set is in transmission connection with the rubber roller.

9. The printer with cutter according to claim 1, wherein: the both ends of frame all are provided with a U-shaped draw-in groove, the rotatable installation in the draw-in groove in both ends of rubber roll, the side of draw-in groove is provided with the axle and surveys the switch in place.

10. The printer with cutter according to claim 1, wherein: be provided with the anti-disengaging mechanism who prevents the rubber roll and break away from the draw-in groove on the frame, anti-disengaging mechanism includes a switch board and the portion that resets, the switch board bottom rotates and connects on the frame, the both ends of switch board all have a cardboard, hook portion that catches on rubber roll tip top side has on the cardboard, the switch board still has an extension, presses down this extension, makes the switch board overcome the effort that resets and rotate around rotating the tie point to make hook portion break away from the rubber roll tip, loosen the pressing of extension, the switch board resets under the effect that resets, and hook portion catches on rubber roll tip top.