CN208914819U - Printer - Google Patents

Abstract

The purpose of this utility model is to provide a kind of printer, it can prevent from being mistakenly detected as paper and be removed from discharge platform.The printer of embodiment includes discharge platform, illumination region and acceptance part.The paper of the discharge platform mounting from the outlet discharge being discharged for the paper after printing to the outside of shell.The illumination region is set to below the discharge platform, and emits light to the discharge platform top via the opening for being set to the outlet.The acceptance part is set to the top of the opening of the discharge platform, and receives light from below.The upper surface of the discharge platform is provided with the bumps for making to interfere light spread reflection.By the utility model, it can prevent from being mistakenly detected as paper and be removed from discharge platform.

Description

Printer

Technical field

The embodiments of the present invention is related to a kind of printer.

Background technique

In the prior art, it is known to the printer of various information is printed on the roll web of wound into rolls.Such In printer, sometimes, it is mounted with for detecting the sensor whether being removed from discharge platform from the paper that outlet is discharged.

Such sensor is for example realized by being mounted on the optical sensor of outlet.For example, optical sensor detection is The no light that can receive is without discharged paper shading.Then, based on the testing result of optical sensor, printer judgement is being discharged It whether there is paper on platform.

However, when optical sensor detects the reflected lights such as the sunlight reflected by discharge platform or illumination light, although discharge There are paper on platform, and it is removed that printer is still mistakenly detected as paper.

Utility model content

The purpose of this utility model is to provide a kind of printer, it can prevent from being mistakenly detected as paper from discharge platform It is upper to be removed.

Printer involved in present embodiment includes discharge platform, illumination region and acceptance part.Discharge platform mounting is from being used for The paper that paper after printing is discharged to the external outlet being discharged of shell.Illumination region is set to below discharge platform, and is passed through Opening from being set to outlet emits light to discharge platform top.Acceptance part is set to the top of the opening of discharge platform, and receives Light from below.The upper surface of discharge platform is provided with the bumps for making to interfere light spread reflection.

By the utility model, it can prevent from being mistakenly detected as paper and be removed from discharge platform.

Detailed description of the invention

Fig. 1 is the stereoscopic figure for indicating receipt printer involved in present embodiment；

Fig. 2 is the perspective view for the state for indicating that the upper housing of receipt printer is opened；

Fig. 3 is the perspective view for indicating the structure of receipt printer；

Fig. 4 is to indicate that its upper surface is formed with the perspective view of small concave-convex discharge platform；

Fig. 5 is the perspective view for indicating to be formed with the discharge platform of wedge-shaped protrusion.

Specific embodiment

Hereinafter, being described in detail referring to embodiment of the attached drawing to printer.In addition, embodiment disclosed below is only to beat One embodiment of print machine, and do not limit its structure or specification etc..Printer involved in present embodiment is to be applied to One example of receipt printer, wherein the print on paper transaction content of receipt printer distribution in wound into rolls Receipt.

Fig. 1 is the stereoscopic figure for indicating receipt printer 1 involved in present embodiment.Fig. 2 is to indicate receipt printing The perspective view for the state that the upper housing 3 of machine 1 is opened.Fig. 3 is the perspective view for indicating the structure of receipt printer 1.

Receipt printer 1 is covered by the shell of lower case 2 and upper housing 3.Also, receipt printer 1 is by lower case 2 and upper Shell 3 is protected from from external impact, dust etc..

Lower case 2 is the shell of approximately cuboid shape.Upper housing 3 is installed on the upper of lower case 2 in a manner of to be opened/closed Surface.In addition, being provided with connection terminal (not shown) for connecting receipt printer 1 and external device (ED), to receipts in lower case 2 The power supply terminal (not shown) etc. powered according to printer 1.

Upper housing 3 is used as closing the lid of the opening of the upper surface of lower case 2.

Receipt printer 1 has outlet 5, gap of the outlet 5 between lower case 2 and upper housing 3 in front surface The receipt paper 4 of transaction content will be had printed to the external discharge of shell.In addition, receipt printer 1 has in the front of outlet 5 There is the discharge platform 6 for loading the receipt paper 4 being discharged from outlet 5.

Inside of the receipt printer 1 after the opening of upper housing 3 has the receipts for storing the receipt paper 4 of wound into rolls Receive portion 10.

Upper housing 3 has print head 11 in inside.For example, print head 11 is the thermal head with heater.Lower case 2 exists Inside has air roll 12.For example, air roll 12 is made of the elastic material of rubber etc..Then, air roll 12 will be from incorporating section The receipt paper 4 of 10 extractions presses to print head 11.In addition, air roll 12 is driven by rotations such as motors.Print head 11 and pressure as a result, Paper bowl 12 conveys receipt paper 4, and various information are printed on receipt paper 4.

Receipt printer 1 in the lower case 2 of the conveyance direction downstream side of print head 11 and air roll 12 there is cutting to receive According to the cutter 13 of paper 4.When the conveying based on print head 11 and the receipt paper 4 of air roll 12 is completed, cutter 13 is pushed up Dynamic movable blade.Receipt printer 1 cuts receipt paper 4 as a result,.

Receipt printer 1 has the receipt including illumination region 21 and acceptance part 22 in the conveyance direction downstream side of cutter 13 Test section 20.Illumination region 21 is, for example, the light-emitting component of light emitting diode (LED) etc..Illumination region 21 is configured under discharge platform 6 Side and the inside of the front surface in lower case 2.Acceptance part 22 is, for example, the light receiving element of detection light.Acceptance part 22 is configured at discharge The top of platform 6 and in the inside of upper housing 3.

Platform 6, which is discharged, has opening 61 in the top of illumination region 21.Dust and dust enter in order to prevent, opening 61 can be with Paste the light transmissive transparent encapsulants etc. for making to be emitted by illumination region 21.

When the light emitted from illumination region 21 is by opening 61 and is detected by acceptance part 22, receipt printer 1 is determined as Receipt paper 4 is not present on discharge platform 6.On the other hand, when acceptance part 22 cannot be detected from the light that illumination region 21 emits, Receipt printer 1 is determined as that on discharge platform 6, there are receipt paper 4.

Assuming that illumination region 21 is installed on upper housing 3 and downward, and acceptance part 22 is installed on lower case 2 and towards upper Side, sometimes, acceptance part 22 are detected using the interference light such as sunlight or illumination light as the light emitted by illumination region 21.At this point, Although being discharged on platform 6 there are receipt paper 4, printer 1 may mistakenly be detected as that receipt paper 4 is not present on discharge platform 6.

Therefore, receipt printer 1 has illumination region 21, via being set to the opening 61 of outlet 5 to the upper of discharge platform 6 Side's transmitting light；And acceptance part 22, it is set to the top of the opening 61 of discharge platform 6 and the light of reception from below.It receives as a result, According to printer 1 prevent by through receipt paper 4 enter from opening 61 interference light caused by be not present receipt paper 4 mistake Detection.

However, if there is discharge platform 6 glossiness to have since acceptance part 22 detects the interference light reflected by discharge platform 6 When, receipt printer 1 is mistakenly detected as that receipt paper 4 is not present on discharge platform 6.More specifically, interference light penetrates receipt Paper 4 is simultaneously discharged the reflection of platform 6.In addition, the interference light reflected by discharge platform 6 is through receipt paper 4.Then, acceptance part 22 is examined The interference light through receipt paper 4 is measured, sometimes, it is what illumination region 21 emitted that receipt printer 1, which will mistakenly interfere light detection, Light.Alternatively, having since acceptance part 22 is detected by the interference light of the part reflection without loading receipt paper 4 of discharge platform 6 When, receipt printer 1 carries out the detection of mistake.

Therefore, discharge platform 6 upper surface 62 be formed with make interfere light reflection spread reflection small bumps.Discharge Platform 6 makes the reflection spread reflection for interfering light, to reduce the light reflected to acceptance part 22.Here, Fig. 4 is to indicate its upper surface 62 It is formed with the perspective view of small concave-convex discharge platform 6.Small bumps are by adding tiny uneven figure on the surface Case embossing processing and formed.In addition, small bumps are not limited by embossing processing and are formed, can also be removed by coating The coating that frosts and formed.Except the coating to frost for example contains particle.Therefore, by being coated with the coating for removing and frosting, Discharge platform 6 forms small bumps by particle.

In addition, 4 wound into rolls of receipt paper and be incorporated in incorporating section 10.Therefore, receipt printer 1 is by curved receipts It is discharged according to paper 4 from outlet 5.Then, the upper surface 62 of the front end direction discharge platform 6 of the receipt paper 4 of discharge.Receipt printing In machine 1, when the upper surface 62 to discharge platform 6 is embossed processing, the front end of the receipt paper 4 of discharge is embossed the recessed of processing Convex clip is lived, so that receipt paper 4 cannot be normally discharged.

Platform 6 is discharged on upper surface 62 with the elongated protrusion 63 of rib shape.Protrusion 63 discharge platform 6 upper surface 62 on The discharge direction of receipt paper 4 arranges substantially in parallel.In addition, the place to protrusion 63 without additional bumps such as embossing processing Reason.That is, the upper surface of protrusion 63 is flat, the bumps formed not over embossing processing etc..Then, due to receipt paper 4 contact with the protrusion 63 of discharge platform 6, so receipt paper 4 is not contacted with the upper surface 62 of discharge platform 6.Therefore, in receipt printing In machine 1, the bumps for the upper surface 62 that receipt paper 4 can normally be discharged without being discharged platform 6 are blocked.Moreover, because protrusion 63 surface area is small, and acceptance part 22 will not mistakenly detect the light reflected by protrusion 63.

It is formed with as described above, receipt printer 1 involved in present embodiment is provided with its upper surface 62 for making too Sunlight or illumination light etc. interfere the concave-convex discharge platform 6 of light spread reflection.Therefore, the interference light reflected by discharge platform 6 will not shine It is mapped to acceptance part 22.Therefore, receipt printer 1 involved in present embodiment can prevent from being mistakenly detected as receipt paper 4 It is removed from discharge platform 6.

Although the description of the several embodiments of the utility model, but these embodiments are intended only as example and propose , it is not intended to limit the scope of the utility model.These new embodiments can be implemented with various other ways, In the range of not departing from the main idea of utility model, it is able to carry out various omissions, displacement and change.These embodiments and its Deformation be all contained in the scope of the utility model and main idea, and be contained in the utility model documented by claims and In its equivalency range.

In the above-described embodiment, it describes and embossing processing is applied to discharge platform 6 so that being formed makes to interfere light spread reflection Concave-convex example.But the bumps for interfering light spread reflection is made to be not limited by embossing processing and be formed.Fig. 5 is to indicate shape At the perspective view for the discharge platform 6 for having wedge-shaped protrusion 64.It is flat with the discharge direction of receipt paper 4 on discharge platform 6 shown in Fig. 5 It is formed with wedge-shaped protrusion 64 capablely.Outlet 5 makes to interfere light spread reflection by the bevel edge of protrusion 64.Therefore, receipt printing Machine 1 can prevent from being mistakenly detected as receipt paper 4 and be removed from discharge platform 6.

In addition, in the above-described embodiment, the case where describing receipt printer 1 for being applied to printing receipt, is as one Example.But printer also can be applied to the device in addition to receipt printer 1.For example, printer can be applied to print The label machine of label, the printing portion of POS terminal or printing portion of cash ATM etc..

Claims (7)

1. a kind of printer comprising:

Platform is discharged, loads from the paper being discharged for the paper after printing to the external outlet being discharged of shell；

Illumination region is set to below the discharge platform, and via being set to the opening of the outlet on the discharge platform Side's transmitting light；And

Acceptance part, is set to the top of the opening of the discharge platform, and receives light from below, wherein

The upper surface of the discharge platform is provided with the bumps for making to interfere light spread reflection.

2. printer according to claim 1, which is characterized in that

By the outlet, the front end of the paper is discharged towards the discharge platform,

The discharge platform has the protrusion substantially parallel with the discharge direction of the paper in the upper surface.

3. printer according to claim 2, which is characterized in that

The discharge platform includes the protrusion with flat upper surfaces.

4. printer according to claim 1, which is characterized in that

The coating for being used to form the bumps is coated on the discharge platform.

5. printer according to claim 2, which is characterized in that

The coating for being used to form the bumps is coated on the discharge platform.

6. printer according to claim 3, which is characterized in that

The coating for being used to form the bumps is coated on the discharge platform.

7. printer according to claim 1, which is characterized in that

The discharge platform has as described in the concave-convex wedge-type shape parallel with the discharge direction of the paper.