CN214688613U - Expansion device of handheld printer - Google Patents
Expansion device of handheld printer Download PDFInfo
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- CN214688613U CN214688613U CN202121026727.9U CN202121026727U CN214688613U CN 214688613 U CN214688613 U CN 214688613U CN 202121026727 U CN202121026727 U CN 202121026727U CN 214688613 U CN214688613 U CN 214688613U
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Abstract
The utility model discloses an expanding device of a handheld printer, which comprises a bracket, a printer driving mechanism, a paper feeding mechanism and a printing paper detection mechanism; the printer driving mechanism is arranged on the bracket and used for fixing and driving the handheld printer to move; the paper feeding mechanism is arranged on the bracket and is used for driving the printing paper to move along with the printing process; the printing paper detection mechanism is arranged on the support and used for detecting whether printing paper exists and/or whether the printing paper is placed correctly. Fix handheld printer on printer actuating mechanism to control handheld printer round trip movement and print, raise the efficiency greatly, reduce the human cost. Beat printing paper detection mechanism through setting up for whether the detection has placed and beat printing paper, and beat printing paper and whether correctly place. When paper is lacked or printing paper is placed obliquely, the paper cannot be printed and a warning is given out, an operator is reminded to place the paper or adjust the position of the printing paper, printed patterns and characters are guaranteed not to be inclined, and the printing quality is improved.
Description
Technical Field
The utility model belongs to the technical field of the printing apparatus, concretely relates to extension device of handheld printer.
Background
Among the prior art portable handheld printer often removes through operating personnel handheld on the stock and prints, and human cost is high like this, leads to the printing effect bad because of staff's shake etc. easily during manual operation simultaneously, if the line of a word is askew to be turned round etc.. By using the invoice printer technology among the prior art for reference, can combine handheld printer and extension to print, solve the human cost height and print the bad problem of effect. However, the printed patterns and characters are still inclined due to the incorrect placement position of the printing paper, such as the inclination of the printing paper and the paper feeding port.
Disclosure of Invention
An object of the utility model is to provide an extension fixture of handheld printer solves among the prior art because beat printing paper and place the position not true, leads to pattern, the characters of printing out to take place the technical problem of slope.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an extension device for a hand-held printer, comprising:
a support;
the printer driving mechanism is arranged on the bracket and used for fixing and driving the handheld printer to move so as to print;
the paper feeding mechanism is arranged on the bracket and used for driving the printing paper to move along with the printing process;
the printing paper detection mechanism is arranged on the support and used for detecting whether printing paper exists or not and/or whether the printing paper is correctly placed or not.
This application is through setting up this extension device, fixes handheld printer on printer actuating mechanism to control handheld printer round trip movement and print, raise the efficiency greatly, reduce the human cost.
Beat printing paper detection mechanism through setting up for whether the detection has placed and beat printing paper, and beat printing paper and whether correctly place. When paper is lacked or printing paper is placed obliquely, the paper cannot be printed and a warning is given out, an operator is reminded to place the paper or adjust the position of the printing paper, printed patterns and characters are guaranteed not to be inclined, and the printing quality is improved.
In a further refinement, the printing paper detection mechanism includes at least one detection sensor for detecting whether there is printing paper.
The printing paper detection mechanism comprises at least two detection sensors for detecting whether printing paper is available and whether the printing paper is placed correctly, the centers of all the detection sensors are positioned on the same straight line, and the straight line is perpendicular to the advancing direction of the printing paper in the printing process.
When printing is needed, one end of printing paper is inserted into the paper inlet, the detection sensor can detect the printing paper and transmit the detection information to the controller; when all the detection sensors arranged along the width direction of the paper feeding port detect printing paper, the printing paper is placed correctly and does not incline, and printing can be performed smoothly.
When at least one detection sensor arranged along the width direction of the paper feeding port does not detect printing paper, the printing paper is incorrectly placed and inclined, the controller controls the alarm to give an alarm for reminding, and the position of the printing paper is manually adjusted.
In a further improvement, the detection sensor is arranged at a printing paper feed inlet.
In a further improvement, the detection sensor is a photoelectric sensor, and the photoelectric sensor is a reflection type photoelectric sensor or a correlation type photoelectric sensor.
The photoelectric sensor has short response time and high resolution, and realizes non-contact detection.
The improved paper feeder is characterized in that two limit stops are arranged on the support and are respectively positioned at two ends of the printing paper inlet. Through setting up limit stop, play spacing and the effect of direction when placing printing paper, be convenient for correctly place fast and beat printing paper.
The support is provided with a limit groove, at least one limit stop block is movably clamped in the limit groove, and the width of the paper inlet can be changed by sliding the limit groove along the limit groove.
According to the width of printing paper, the limit stop blocks arranged in the limit grooves are moved, so that the width of a paper inlet between the two limit stop blocks is matched with the width of the printing paper, and the adaptability is high.
The further improvement is that one limit stop is fixedly arranged on the bracket, and the other limit stop is movably clamped in the limit groove; the support is provided with a plurality of marks representing different printing paper widths.
The indicia, such as a6, a5, a4, etc., and the tick marks, act to indicate the width, the origin of which is a fixed limit stop. According to the width of printing paper, the movable type clamping can be quickly and accurately realized, the positioning of the limit stop block in the limit groove is realized, and the operation is very convenient and quick.
The improved paper feeder is characterized in that a support plate is arranged on the support and arranged at a paper inlet of printing paper. When printing, to beat printing paper and place in the backup pad, beat the one end of printing paper and insert into the paper feed mouth, prevent that the paper from droing, improve stability.
In a further improvement, the support plate is hinged with the support, and marks representing different printing paper widths are arranged on the support plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
this application is through setting up this extension device, fixes handheld printer on printer actuating mechanism to control handheld printer round trip movement and print, raise the efficiency greatly, reduce the human cost.
Beat printing paper detection mechanism through setting up, when beating printing paper and place the slope, can not print and send the warning, remind operating personnel to adjust the position of beating printing paper, guarantee that pattern, the characters of printing out do not take place the slope, have improved printing quality.
Drawings
Fig. 1 shows the overall structure of the hand-held printer and the expansion device of the present invention.
FIG. 2 is a rear view of the expansion device with the housing removed.
Fig. 3 is a perspective view of the expansion device with the housing removed.
Fig. 4 is a schematic view of the printing paper detection mechanism.
FIG. 5 is a front view of the expansion device with the housing removed.
Fig. 6 is an enlarged view of a portion a of fig. 5.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following will combine the embodiments of the present invention to clearly and completely describe the technical solution of the present invention.
As shown in fig. 1 to 6, an expansion device 100 for a hand-held printer includes:
a support 101;
the printer driving mechanism is arranged on the bracket and used for fixing and driving the handheld printer to move so as to print;
the paper feeding mechanism is arranged on the bracket and used for driving the printing paper to move along with the printing process;
the printing paper detection mechanism 106 is a printing paper detection mechanism which is arranged on the support and is used for detecting whether printing paper is available and/or whether the printing paper is correctly placed.
This application is through setting up this extension device, fixes handheld printer on printer actuating mechanism to control handheld printer round trip movement and print, raise the efficiency greatly, reduce the human cost.
Beat printing paper detection mechanism through setting up for whether the detection has placed and beat printing paper, and beat printing paper and whether correctly place. When paper is lacked or printing paper is placed obliquely, the paper cannot be printed and a warning is given out, an operator is reminded to place the paper or adjust the position of the printing paper, printed patterns and characters are guaranteed not to be inclined, and the printing quality is improved.
This application is through setting up this extension device, fixes handheld printer on printer actuating mechanism to control handheld printer round trip movement and print, raise the efficiency greatly, reduce the human cost.
Beat printing paper detection mechanism through setting up, when beating printing paper and place the slope, can not print and send the warning, remind operating personnel to adjust the position of beating printing paper, guarantee that pattern, the characters of printing out do not take place the slope, have improved printing quality.
In the present embodiment, the printing paper detection mechanism 106 includes three detection sensors, and the centers of all the detection sensors are located on the same straight line perpendicular to the paper advance direction during printing.
When printing is needed, one end of printing paper is inserted into the paper inlet, the detection sensor can detect the printing paper and transmit the detection information to the controller; when all the detection sensors arranged along the width direction of the paper feeding port detect printing paper, the printing paper is placed correctly and does not incline, and printing can be performed smoothly;
when at least one detection sensor arranged along the width direction of the paper feeding port does not detect printing paper, the printing paper is incorrectly placed and inclined, the controller controls the alarm to give an alarm for reminding, and the position of the printing paper is manually adjusted.
When none of the three detection sensors detects the printing paper, the printing paper is out of paper.
In other embodiments, the number of detection sensors may be two, four, five, etc., as desired. It is also possible to install only one detection sensor in number for detecting whether or not there is a paper shortage.
In this embodiment, the detection sensor is installed at the printing paper feed port.
In this embodiment, the detection sensor is a reflective photoelectric sensor 1061, the emitter and the receiver are installed in the same device and mounted on the bracket, the emitting end emits infrared light, and the infrared light is reflected by the printing paper and then received by the receiver. If one or more reflective photoelectric sensors are not covered by the printing paper due to the inclined placement of the printing paper, the corresponding receivers cannot receive the infrared light reflected by the printing paper. The photoelectric sensor has short response time and high resolution, and realizes non-contact detection.
As shown in fig. 4, three reflective photo sensors 1061 are disposed on a print paper detection circuit board 1062, a battery 1063 supplies power to the three reflective photo sensors 1061, and the print paper detection circuit board 1062 is connected to a controller circuit board 1064 through wires.
In other embodiments, the photoelectric sensor may be a correlation type photoelectric sensor, and the transmitter and the receiver are respectively installed at the upper and lower ends of the paper feeding port. When the printing paper is correctly placed, the emitter and the receiver of each photoelectric sensor are separated by the printing paper, and the receiver cannot receive infrared light emitted by the emitter; if one or more reflective photoelectric sensors are not separated by the printing paper due to the inclined printing paper, the receiver can receive the infrared light emitted by the corresponding emitter
In this embodiment, the support 101 is provided with two limit stoppers 109, which are respectively located at two ends of the printing paper feeding port. Through setting up limit stop, play spacing and the effect of direction when placing printing paper, be convenient for correctly place fast and beat printing paper.
In this embodiment, the bracket is provided with a limiting groove 108, a limiting stopper is movably clamped in the limiting groove 108, and the width of the paper inlet can be changed by sliding the limiting groove along the limiting groove.
According to the width of printing paper, the limit stop 109 clamped in the limit groove is moved, so that the width of the paper feeding port between the two limit stops is matched with the width of the printing paper, and the adaptability is strong.
In this embodiment, as shown in fig. 2, one limit stopper is fixedly disposed on the bracket, and the other limit stopper is movably engaged in the limit groove; the holder is provided with a plurality of marks 108 representing different printing paper widths, as shown in fig. 3.
The indicia, such as a6, a5, a4, etc., and the tick marks, act to indicate the width, the origin of which is a fixed limit stop. According to the width of printing paper, the movable type clamping can be quickly and accurately realized, the positioning of the limit stop block in the limit groove is realized, and the operation is very convenient and quick.
In other embodiments, both of the limit stops may be removably engaged in the limit groove.
In this embodiment, the support frame is provided with a support plate 107, and the support plate 107 is disposed at the printing paper feed opening. When printing, to beat printing paper and place in the backup pad, beat the one end of printing paper and insert into the paper feed mouth, prevent that the paper from droing, improve stability.
In this embodiment, the supporting plate 107 is hinged to the bracket 101, and in a non-working state, the supporting plate can be rotated upwards, so that the occupied space is reduced, and the storage and the transportation are facilitated. Marks 108 representing different printing paper widths are provided on the support plate 107.
In this embodiment, the printer driving mechanism includes a fastener 102 and a first driving assembly, the fastener is movably sleeved on a guide rod 103, the guide rod 103 is fixedly arranged on the bracket 101, and the guide rod 103 is perpendicular to the advancing direction of printing paper in the printing process; the first drive assembly is coupled to the fastener 102 via a first drive assembly, the hand-held printer is secured to the fastener 102, and the first drive assembly drives the hand-held printer and the fastener together along the guide bar via the first drive assembly.
In this embodiment, first drive assembly is hold-in range 104, forms annular structure after hold-in range 104's end and fastener fixed connection, rotates on the support 101 and is provided with first synchronous pulley 111, is provided with second synchronous pulley on the first drive assembly, and the annular synchronous belt cover is established on first synchronous pulley 111 and second synchronous pulley to be in the tensioning state. Adopt synchronous belt drive, difficult skidding, transmission efficiency is high.
In other embodiments, the first drive assembly may employ a gear drive, a belt drive, or the like.
In this embodiment, as shown in fig. 6, the adjusting mechanism includes a spring 112 and an adjusting block 110, one end of the spring 112 is fixedly connected to the bracket 101, the other end of the spring is fixedly connected to the adjusting block 110, a sliding groove is formed in the bracket, the adjusting block 110 is movably clamped in the sliding groove, and the first synchronous pulley 111 is rotatably disposed on the adjusting block 110. Through setting up adjustment mechanism, utilize the restoring force of spring, make first synchronous belt be in the tensioning state all the time, keep transmission efficiency.
In this embodiment, the paper feeding mechanism includes a second driving assembly, a driving roller and a driving roller, wherein two ends of the driving roller are rotatably connected with the bracket, and the driving roller is perpendicular to the advancing direction of printing paper in the printing process; the support is provided with the supplementary gyro wheel of flexible material preparation, and supplementary gyro wheel is located under the driving roller, beats printer paper and passes from the gap between supplementary gyro wheel and the driving roller. When printing, the end part of printing paper is inserted between the driving roller and the auxiliary roller through the paper inlet, the two sides of the printing paper are respectively contacted and extruded with the corresponding driving roller and the auxiliary roller, the driving roller rotates, and the friction force is utilized to drive the paper to advance.
What has not been described in detail in the present invention is the prior art or can be realized by the prior art, and the specific embodiment of the present invention is only the preferred embodiment of the present invention, which is not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (9)
1. An extension device for a hand-held printer, comprising:
a support;
the printer driving mechanism is arranged on the bracket and used for fixing and driving the handheld printer to move so as to print;
the paper feeding mechanism is arranged on the bracket and used for driving the printing paper to move along with the printing process;
the printing paper detection mechanism is arranged on the support and used for detecting whether printing paper exists or not and/or whether the printing paper is correctly placed or not.
2. The printer extension of claim 1, wherein the paper detection mechanism comprises at least one detection sensor for detecting the presence of paper.
3. The printer of claim 1, wherein the printer paper detection mechanism comprises at least two detection sensors for detecting whether the printer paper is present and whether the printer paper is properly placed, and centers of all the detection sensors are located on a same straight line perpendicular to a paper advancing direction during printing.
4. The extension device of the hand-held printer according to claim 2 or 3, wherein the detection sensor is installed at a paper feed inlet.
5. The handheld printer extension of claim 4, wherein the detection sensor is a photosensor that is a reflective photosensor or a correlation photosensor.
6. The extension device of a handheld printer according to claim 1, wherein the holder is provided with two limit stoppers, the two limit stoppers being respectively located at both ends of the printing paper feed port;
the support is provided with a limit groove, at least one limit stop block is movably clamped in the limit groove, and the width of the paper inlet can be changed by sliding the limit groove along the limit groove.
7. The printer extension of claim 1 wherein the frame has a plurality of indicia thereon representing different sheet widths.
8. The extension device of claim 7, wherein the support frame is provided with a support plate, and the support plate is disposed at a paper feed inlet.
9. The printer extension of claim 8, wherein the support plate is hinged to the carriage, and marks representing different printing paper widths are provided on the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026727.9U CN214688613U (en) | 2021-05-13 | 2021-05-13 | Expansion device of handheld printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026727.9U CN214688613U (en) | 2021-05-13 | 2021-05-13 | Expansion device of handheld printer |
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| Publication Number | Publication Date |
|---|---|
| CN214688613U true CN214688613U (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121026727.9U Active CN214688613U (en) | 2021-05-13 | 2021-05-13 | Expansion device of handheld printer |
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| CN (1) | CN214688613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114529915A (en) * | 2022-02-10 | 2022-05-24 | 珠海读书郎软件科技有限公司 | Intelligent correcting system, electronic equipment and storage medium |
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2021
- 2021-05-13 CN CN202121026727.9U patent/CN214688613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114529915A (en) * | 2022-02-10 | 2022-05-24 | 珠海读书郎软件科技有限公司 | Intelligent correcting system, electronic equipment and storage medium |
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