CN116198233A - Label printer capable of preventing paper jam and control method thereof - Google Patents
Label printer capable of preventing paper jam and control method thereof Download PDFInfo
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- CN116198233A CN116198233A CN202211537844.0A CN202211537844A CN116198233A CN 116198233 A CN116198233 A CN 116198233A CN 202211537844 A CN202211537844 A CN 202211537844A CN 116198233 A CN116198233 A CN 116198233A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007639 printing Methods 0.000 claims abstract description 126
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000007651 thermal printing Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002508 contact lithography Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4075—Tape printers; Label printers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/006—Means for preventing paper jams or for facilitating their removal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/66—Applications of cutting devices
- B41J11/70—Applications of cutting devices cutting perpendicular to the direction of paper feed
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Abstract
The invention discloses a label printer for preventing paper jam and a control method thereof, wherein the label printer comprises: a printer main body; the printer cover body is arranged on the printer main body in an openable and closable manner, and a printing paper feeding channel and a paper outlet communicated with the printing paper feeding channel are formed between the printer cover body and the printer main body when the printer cover body and the printer main body are in a closed state; the cutter assembly is arranged on the printer cover body in a reciprocating manner and is used for cutting printing paper in the printing paper feeding channel; the printing paper feeding channel comprises a first paper feeding channel positioned between one side of the cutter assembly and the paper outlet and a second paper feeding channel positioned on the other side of the cutter assembly, and the paper feeding bottom wall of the second paper feeding channel, which is close to one end of the cutter assembly, is higher than that of the first paper feeding channel, which is close to one end of the cutter assembly. According to the invention, through the design of the first paper feeding channel and the second paper feeding channel with different horizontal heights, the problem of paper jam of the label printer caused by paper cutting operation is solved.
Description
Technical Field
The invention relates to the technical field of label printing, in particular to a label printer capable of preventing paper jam and a control method thereof.
Background
In people's daily life, work study, relate to many label printing, note printing or wrong demand of printing, label printer utilizes the thermal printing principle, and the printer is with the heating of the signal control thermal unit of the dot matrix of data conversion received, heats the thermal coating development on the thermal paper. The label printer utilizing the thermal printing principle has the advantages of high speed, low noise, clear printing and convenient use, and is widely used.
In the conventional label printer, rolled thermal printing paper is loaded, and the label printer continuously feeds the paper according to the printing content. In addition, a label printer is generally provided with a paper cutter for cutting the printing paper by the paper cutter after printing of one label is completed, and the printed label is separated from the printing paper. The existing paper cutter is arranged in the printer shell, is located above the paper feeding channel of the printing paper and can reciprocate up and down, paper cutting is carried out on the printing paper by pressing the paper cutter, a paper cutting groove is formed in the position, opposite to the paper cutter, of the paper feeding channel of the printing paper, and the printing paper above the paper cutting groove is cut by the paper cutter in a pressing mode. Due to the pressing action of the paper cutter, the printing paper at the notch can be brought into the paper cutting groove by the paper cutter and cannot be separated, so that the printer jam cannot continue printing.
In view of this, the present invention is specifically proposed.
Disclosure of Invention
The invention aims to provide a label printer capable of preventing paper jam, which can greatly improve the problem of paper jam caused by cutting of label printing paper by a paper cutting knife. Specifically, the following technical scheme is adopted:
a jam-preventing label printer, comprising:
a printer main body;
the printer cover body is arranged on the printer main body in an openable and closable manner, and a printing paper feeding channel and a paper outlet communicated with the printing paper feeding channel are formed between the printer cover body and the printer main body when the printer cover body and the printer main body are in a closed state;
the cutter assembly is arranged on the printer cover body in a reciprocating manner and is used for cutting printing paper in the printing paper feeding channel;
the printing paper feeding channel comprises a first paper feeding channel positioned between one side of the cutter assembly and the paper outlet and a second paper feeding channel positioned on the other side of the cutter assembly, and the paper feeding bottom wall of the second paper feeding channel, which is close to one end of the cutter assembly, is higher than the paper feeding bottom wall of the first paper feeding channel, which is close to one end of the cutter assembly.
As an alternative embodiment of the present invention, one end of the printer cover is rotatably connected with the printer body, so as to realize the opening and closing of the printer cover relative to the printer body;
the printing paper feeding device comprises a printer cover body and is characterized in that the bottom wall of the printer cover body and the top wall of the printer body form a printing paper feeding channel relatively when the printer cover body is closed, the top wall of the printer body comprises a top wall front section and a top wall rear section, cutter grooves opposite to cutters of the cutter assemblies are formed between the top wall front section and the top wall rear section at intervals, and one end of the top wall rear section, which is close to the cutter grooves, is higher than one end of the top wall front section, which is close to the cutter grooves.
As an optional embodiment of the present invention, a vertical height difference H is provided between an end of the rear section of the top wall, which is close to the cutter slot, and an end of the front section of the top wall, which is close to the cutter slot, and the vertical height difference H has a value range of: h is more than or equal to 0.2mm and less than or equal to 0.8mm.
As an optional embodiment of the present invention, the horizontal width of the cutter slot is L, and the value range of the horizontal width L is: l is more than or equal to 0.5mm and less than or equal to 0.6mm.
As an alternative embodiment of the present invention, the cutter assembly includes a cutter pressing member, a cutter and a paper pressing block, the cutter pressing member is reciprocally disposed on the printer cover, the cutter and the paper pressing block are respectively mounted on the cutter pressing member, and the paper pressing block is disposed at one side of the cutter;
when the printer cover body is closed, the cutter pressing piece is pressed, the cutter pressing piece drives the cutter and the paper pressing block to move downwards, and in the downward moving process, the paper pressing block is pressed on printing paper first, and then the cutter cuts off the printing paper.
As an alternative embodiment of the present invention, the paper pressing block includes a first paper pressing block disposed at a side of the cutter facing the paper outlet, and the first paper pressing block abuts against the front section of the top wall when the cutter pressing member is pressed and moved downward.
As an alternative embodiment of the present invention, the paper pressing block includes a second paper pressing block disposed at a side of the cutter facing away from the paper outlet, and the second paper pressing block abuts against the rear section of the top wall when the cutter pressing member is pressed down.
The invention also provides a control method of the label printer for preventing paper jam, which comprises the following steps:
the label printer finishes the last printing;
controlling the printing paper to be retracted before the next printing is executed;
and when the printing paper is retracted into the second paper feeding channel, printing is restarted and paper is fed forward.
As an optional embodiment of the present invention, a position detection switch for detecting whether the cutter assembly is pressed down in place is provided in a printer cover of the label printer, a paper feeding assembly for driving printing paper to feed is provided in the printer body, and the control method includes:
when the cutter assembly is pressed down to the proper position, the cutter assembly contacts with the position detection switch, and the position detection switch acts to send out a detection signal;
when the label printer receives the detection signal of the position detection switch, the label printer judges that the last printing is finished, and the label printer controls the paper feeding assembly to drive the printing paper to retract.
As an alternative embodiment of the present invention, the paper feeding assembly includes a paper feeding roller, the paper feeding roller is disposed on the printer body and located in the second paper feeding path, and the control method includes:
the label printer controls the paper feed roller to rotate forward to drive the printing paper to feed paper in the direction of the paper outlet in the paper feed channel of the printing paper;
the label printer controls the paper feed roller to reversely rotate to drive the printing paper to retract, and the distance of the printing paper to retract is smaller than the distance between the paper feed roller and the cutter groove;
optionally, the paper feeding assembly includes a paper feeding motor driving the paper feeding roller to rotate, a reversing angle/reversing number of turns/reversing time of the paper feeding motor to reversely rotate is preset, the label printer controls the paper feeding motor to reversely rotate, and when the reversing angle/reversing number of turns/reversing time of the paper feeding motor reaches a preset value, the paper feeding motor is controlled to stop reversely rotating.
Compared with the prior art, the invention has the beneficial effects that:
because the bottom wall of the paper feeding in the existing paper feeding channel of the printing paper is positioned on the same horizontal plane, the heights of the two side walls of the cutter groove opposite to the cutter of the cutter assembly are the same, when the cutter of the cutter assembly cuts the printing paper, the printing paper at the notch can be brought into the cutter groove by the cutter and is not easy to break out, so that paper jam is caused. According to the printing paper feeding channel, the first paper feeding channel and the second paper feeding channel with different horizontal heights are arranged, so that the cutter grooves with different heights of the two side walls are formed between the first paper feeding channel and the second paper feeding channel, when the cutters of the cutter assemblies perform paper cutting operation again, the cutters can still enable printing paper to enter the cutter grooves, but when the characteristics of the printing paper brought into the cutter grooves are restored to deform due to the fact that the heights of the two side walls of the cutter grooves are different, the side walls close to the side with low heights are not blocked and limited, and therefore the possibility that the printing paper is restored to deform and is separated is greatly improved.
Therefore, the design of the first paper feeding channel and the second paper feeding channel with different horizontal heights of the label printer changes the structure of the existing cutter groove, so that printing paper is not easy to be blocked in the cutter groove when the cutter assembly performs paper cutting operation, and the problem of paper jam of the label printer caused by the paper cutting operation is greatly solved.
Description of the drawings:
FIG. 1 is a schematic perspective view of a label printer for preventing paper jams according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a label printer that prevents paper jams in accordance with an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a cutter assembly of a paper jam prevention label printer according to one embodiment of the present invention;
FIG. 4 is a schematic diagram showing a perspective view of a cutter assembly of a label printer for preventing paper jam according to the second embodiment of the present invention;
fig. 5 is a schematic structural view of a cutter of a label printer for preventing paper jam according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, a label printer 100 for preventing paper jam according to the present embodiment includes:
a printer main body 102;
a printer cover 101 which is openably and closably mounted on the printer body 102, wherein a printing paper feeding path 400 and a paper outlet 600 communicating with the printing paper feeding path 400 are formed between the printer cover 101 and the printer body 102 when they are in a closed state;
and a cutter assembly reciprocally disposed on the printer cover 101 for cutting the printing paper 300 in the printing paper feeding path 400;
the printing paper feeding channel 400 comprises a first paper feeding channel 401 positioned between one side of the cutter assembly and the paper outlet 600, and a second paper feeding channel 402 positioned on the other side of the cutter assembly, wherein the paper feeding bottom wall of the second paper feeding channel 402 near one end of the cutter assembly is higher than the paper feeding bottom wall of the first paper feeding channel 401 near one end of the cutter assembly.
Because the bottom wall of the paper feeding in the existing paper feeding channel 400 is at the same horizontal plane, the heights of the two side walls of the cutter groove opposite to the cutter of the cutter assembly are the same, when the cutter of the cutter assembly cuts the paper, the paper at the notch can be brought into the cutter groove by the cutter and is not easy to break out, so that paper jam is caused. The printing paper feeding channel 400 of this embodiment forms the cutter slot with unequal heights of the two side walls by setting the first paper feeding channel and the second paper feeding channel with unequal heights, so that when the cutter of the cutter assembly performs the paper cutting operation again, the cutter may still insert the printing paper into the cutter slot, but because the heights of the two side walls of the cutter slot are unequal, the side wall close to the low side of the height is not blocked and limited when the characteristics of the printing paper in the cutter slot are restored to deform, thereby greatly improving the possibility of restoring deformation and coming out of the printing paper.
Therefore, the design of the first paper feeding channel and the second paper feeding channel with different horizontal heights of the label printer changes the structure of the existing cutter groove, so that printing paper is not easy to be clamped in the cutter groove when the cutter assembly performs paper cutting operation, and the problem of paper jam of the label printer caused by the paper cutting operation is greatly improved.
Further, in the label printer for preventing paper jam according to the present embodiment, one end of the printer cover 101 is rotatably connected to the printer body 102, so as to open and close the printer cover 101 with respect to the printer body 102. The bottom wall of the printer cover 101 and the top wall of the printer body 102 form a printing paper feeding channel 400 when the printer cover 101 is closed, the top wall of the printer body 102 comprises a top wall front section 401 and a top wall rear section 402, a cutter slot 403 opposite to the cutter 203 of the cutter assembly is formed between the top wall front section 401 and the top wall rear section 402 at intervals, and one end of the top wall rear section 402 close to the cutter slot 403 is higher than one end of the top wall front section 401 close to the cutter slot 403.
As an optional implementation manner of this embodiment, in the label printer of this embodiment, a vertical height difference H is provided between an end of the top wall rear section 402 near the cutter slot 403 and an end of the top wall front section 401 near the cutter slot 403, and a value range of the vertical height difference H is: h is more than or equal to 0.2mm and less than or equal to 0.8mm.
According to research experiments, the width of the cutter groove is also an influence factor for causing the problem of paper jam in the paper cutting process, the cutter presses down the printing paper, the printing paper can be bent downwards at the notch, so that the wider the width of the cutter groove is, the more easily the notch where the printing paper is completely deformed is brought into the cutter groove to cause paper jam, and therefore, the embodiment improves the width of the cutter groove, and reduces the width of the cutter groove on the premise of meeting the paper cutting requirement of the cutter. Specifically, in this embodiment, the horizontal width of the cutter slot is L, and the range of values of the horizontal width L is: l is more than or equal to 0.5mm and less than or equal to 0.6mm.
In addition, whether the cutter assembly can smoothly and rapidly complete the paper cutting operation of the printing paper is also a factor influencing the paper jam of the printing paper, so that the structure of the cutter assembly is improved, and the paper cutting process of the printing paper is improved.
Referring to fig. 2-4, in a label printer for preventing paper jam according to the present embodiment, the cutter assembly includes a cutter pressing member 201, a cutter 203 and a paper pressing block 204, wherein the cutter pressing member 201 is reciprocally disposed on the printer cover 101, the cutter 203 and the paper pressing block 204 are respectively mounted on the cutter pressing member 201, and the paper pressing block 204 is disposed on one side of the cutter.
When the printer cover 101 is closed, the cutter pressing member 201 is pressed, the cutter pressing member 201 drives the cutter 203 and the paper pressing block 204 to move downwards, and in the process of moving downwards, the paper pressing block 204 is pressed on the printing paper 300, and then the cutter 203 cuts off the printing paper 300. The cutter assembly of the embodiment presses the printing paper 300 by the paper cutting block 204 to cut the printing paper 300 by the reusable cutter 203 when the paper cutting operation is performed by the paper pressing block 204, so that the printing paper 300 is more easily cut off. In this way, it is possible to avoid paper jam caused by the cutter 203 not cutting the printing paper 300 but bringing the printing paper 300 into the cutter slot 403.
As an alternative implementation of this embodiment, the paper pressing block 204 in this embodiment includes a first paper pressing block 209 disposed on a side of the cutter 203 facing the paper outlet 600, where the first paper pressing block 209 abuts against the top wall front section 401 when the cutter pressing member 201 is pressed and moved downward.
Further, the paper pressing block 204 of the present embodiment includes a second paper pressing block 210 disposed on a side of the cutter 203 facing away from the paper outlet 600, and the second paper pressing block 210 abuts against the top wall rear section 402 when the cutter pressing member 201 is pressed down.
Referring to fig. 2, the cutter pressing member 201 of the present embodiment is mounted on the printer cover 101 by a first spring 207, and the first spring 207 is used for returning when the cutter pressing member 201 is pressed down. The cutter assembly of this embodiment includes a cutter holder 202 fixedly connected to the cutter pressing member 201, the cutter 203 is mounted on the cutter holder 202, the cutter assembly of this embodiment includes a paper pressing block 204 connected to the cutter pressing member 201 by a second spring 208, the paper pressing block 204 includes a first paper pressing portion 209 located at one side of the cutter 203 and a second paper pressing portion 210 located at the other side of the cutter 203, when the cutter pressing member 201 is pressed to cut paper, the first paper pressing portion 209 and the second paper pressing portion 210 are firstly contacted with the upper surface of the printing paper 300 in the printing paper feeding path 400, two sides of the cut position of the printing paper 300 are pressed, the cutter pressing member 201 is pressed again, the first paper pressing portion 209 and the second paper pressing portion 210 are pressed against and do not move down any more, the second spring 208 is compressed, but the cutter 203 moves down along with the cutter pressing member 201 to cut off the printing paper. The cutter assembly of the present embodiment presses paper on both sides of the cutter 203 through the first paper pressing portion 209 and the second paper pressing portion 210, which is more beneficial for the cutter 203 to perform paper cutting operation.
The paper pressing block 204 of the embodiment includes the first paper pressing block 209 and the second paper pressing block 210, so that when the cutter 203 cuts paper, the printing papers on two sides of the cutter are pressed by the paper pressing blocks, the paper cutting operation is easier, and paper jam caused by the printing papers at the cut being brought into the cutter groove 403 by the cutter 203 can be avoided.
As an alternative implementation of the present embodiment, referring to fig. 5, the present embodiment performs structural design on the cutter 203 to improve the paper cutting effect of the cutter 203. Specifically, in this embodiment, one end of the cutter 203 has a first blade 212 and a second blade 213, the first blade 212 and the second blade 213 are both disposed obliquely, the oblique direction of the first blade 212 is opposite to the oblique direction of the second blade 213, and the first blade 212 and the second blade 213 are connected to form a convex cutter tip 211.
The label printer of this embodiment adopts novel cutter 203, and cutter 203 adopts the twolip design of first cutting edge 212 and second cutting edge 213, and twolip design forms knife tip 211, and when cutting paper operation, knife tip 211 contact printing paper and printing paper point contact at first like this, and printing paper receives the pressure great and is cut open easily, cuts off printing paper by the first cutting edge 212 and the second cutting edge 213 both sides after cutting by knife tip 211. Therefore, the cutter assembly of this embodiment adopts the cutter 203 of dual-blade design, more easily cuts off the printing paper when cutting paper, and can keep the incision level, can cut the printing paper of various materials on the market, and the sharpness requirement to the cutting edge is not high, this life that just can very big extension cutter 203 cuts paper life and reaches more than 5000 times.
The paper feeding roller 500 is arranged below the paper feeding channel 400 in the printer main body 102 of the embodiment, and the paper feeding of the printing paper 300 is realized by controlling and driving the paper feeding roller 500; a thermal print head (not shown) is provided inside the printer body 102 of the present embodiment in the printing paper feed path 400 for performing thermal printing on printing paper. In addition, the printer body 102 of the present embodiment also has a paper magazine (not shown) inside for placing rolled printing paper, and the present embodiment can perform a paper changing operation by opening the printer cover 101.
The embodiment also provides a control method of a label printer for preventing paper jam, including:
the label printer finishes the last printing;
controlling the printing paper to be retracted before the next printing is executed;
and when the printing paper is retracted into the second paper feeding channel, printing is restarted and paper is fed forward.
According to the control method of the label printer, after the last printing is finished and before the next printing is started, the printing paper is controlled to be retracted, so that the printing paper is prevented from being blocked in the cutter groove and cannot be printed normally.
As an optional implementation manner of this embodiment, a position detection switch for detecting whether the cutter assembly is pressed down in place is provided in the printer cover body of the label printer, and a paper feeding assembly for driving the printing paper to feed is provided in the printer body. The control method of the label printer of the embodiment comprises the following steps:
when the cutter assembly is pressed down to the proper position, the cutter assembly contacts with the position detection switch, and the position detection switch acts to send out a detection signal;
when the label printer receives the detection signal of the position detection switch, the label printer judges that the last printing is finished, and the label printer controls the paper feeding assembly to drive the printing paper to retract.
As an optional implementation manner of this embodiment, the paper feeding assembly includes a paper feeding roller, where the paper feeding roller is disposed on the printer main body and is located in the second paper feeding channel, and a control method of the label printer of this embodiment includes:
the label printer controls the paper feed roller to rotate forward to drive the printing paper to feed paper in the direction of the paper outlet in the paper feed channel of the printing paper;
the label printer controls the paper feed roller to reversely rotate to drive the printing paper to back, and the distance of the back of the printing paper is smaller than the distance between the paper feed roller and the cutter groove.
Optionally, the paper feeding assembly includes a paper feeding motor driving the paper feeding roller to rotate, a reversing angle/reversing number of turns/reversing time of the paper feeding motor to reversely rotate is preset, the label printer controls the paper feeding motor to reversely rotate, and when the reversing angle/reversing number of turns/reversing time of the paper feeding motor reaches a preset value, the paper feeding motor is controlled to stop reversely rotating.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present invention; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be included in the scope of the appended claims.
Claims (10)
1. A jam-preventing label printer, comprising:
a printer main body;
the printer cover body is arranged on the printer main body in an openable and closable manner, and a printing paper feeding channel and a paper outlet communicated with the printing paper feeding channel are formed between the printer cover body and the printer main body when the printer cover body and the printer main body are in a closed state;
the cutter assembly is arranged on the printer cover body in a reciprocating manner and is used for cutting printing paper in the printing paper feeding channel;
the printing paper feeding channel comprises a first paper feeding channel positioned between one side of the cutter assembly and the paper outlet and a second paper feeding channel positioned on the other side of the cutter assembly, and the paper feeding bottom wall of the second paper feeding channel, which is close to one end of the cutter assembly, is higher than the paper feeding bottom wall of the first paper feeding channel, which is close to one end of the cutter assembly.
2. A jam-preventing label printer as in claim 1 wherein one end of the printer cover is rotatably connected to the printer body to effect opening and closing of the printer cover relative to the printer body;
the printing paper feeding device comprises a printer cover body and is characterized in that the bottom wall of the printer cover body and the top wall of the printer body form a printing paper feeding channel relatively when the printer cover body is closed, the top wall of the printer body comprises a top wall front section and a top wall rear section, cutter grooves opposite to cutters of the cutter assemblies are formed between the top wall front section and the top wall rear section at intervals, and one end of the top wall rear section, which is close to the cutter grooves, is higher than one end of the top wall front section, which is close to the cutter grooves.
3. The label printer for preventing paper jam according to claim 2, wherein a vertical height difference H is formed between an end of the rear section of the top wall, which is close to the cutter slot, and an end of the front section of the top wall, which is close to the cutter slot, and the vertical height difference H has a value ranging from: h is more than or equal to 0.2mm and less than or equal to 0.8mm.
4. The label printer for preventing paper jams as claimed in claim 2, wherein the horizontal width of the cutter slot is L, and the range of the horizontal width L is: l is more than or equal to 0.5mm and less than or equal to 0.6mm.
5. A label printer for preventing paper jams according to any one of claims 2 to 4, wherein said cutter assembly comprises a cutter presser, a cutter and a platen, said cutter presser being reciprocatingly provided on said printer cover, said cutter and platen being mounted on said cutter presser respectively, said platen being located on one side of said cutter;
when the printer cover body is closed, the cutter pressing piece is pressed, the cutter pressing piece drives the cutter and the paper pressing block to move downwards, and in the downward moving process, the paper pressing block is pressed on printing paper first, and then the cutter cuts off the printing paper.
6. The label printer as claimed in claim 5, wherein the platen includes a first platen disposed on a side of the cutter facing the paper outlet, the first platen abutting against the front section of the top wall when the cutter pressing member is pressed down.
7. The label printer as claimed in claim 6, wherein the paper pressing block includes a second paper pressing block disposed at a side of the cutter facing away from the paper outlet, the second paper pressing block abutting against the rear section of the top wall when the cutter pressing member is pressed down.
8. A control method of a label printer for preventing paper jam according to any one of claims 1 to 7, comprising:
the label printer finishes the last printing;
controlling the printing paper to be retracted before the next printing is executed;
and when the printing paper is retracted into the second paper feeding channel, printing is restarted and paper is fed forward.
9. The control method of a label printer according to claim 8, wherein a position detection switch for detecting whether the cutter assembly is pressed down in place is provided in a printer cover of the label printer, and a paper feeding assembly for driving printing paper to feed is provided in the printer body, the control method comprising:
when the cutter assembly is pressed down to the proper position, the cutter assembly contacts with the position detection switch, and the position detection switch acts to send out a detection signal;
when the label printer receives the detection signal of the position detection switch, the label printer judges that the last printing is finished, and the label printer controls the paper feeding assembly to drive the printing paper to retract.
10. The control method of a label printer according to claim 8, wherein the paper feed assembly includes a paper feed roller disposed on the printer body and located in the second paper feed path, the control method comprising:
the label printer controls the paper feed roller to rotate forward to drive the printing paper to feed paper in the direction of the paper outlet in the paper feed channel of the printing paper;
the label printer controls the paper feed roller to reversely rotate to drive the printing paper to retract, and the distance of the printing paper to retract is smaller than the distance between the paper feed roller and the cutter groove;
optionally, the paper feeding assembly includes a paper feeding motor driving the paper feeding roller to rotate, a reversing angle/reversing number of turns/reversing time of the paper feeding motor to reversely rotate is preset, the label printer controls the paper feeding motor to reversely rotate, and when the reversing angle/reversing number of turns/reversing time of the paper feeding motor reaches a preset value, the paper feeding motor is controlled to stop reversely rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537844.0A CN116198233A (en) | 2022-12-02 | 2022-12-02 | Label printer capable of preventing paper jam and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211537844.0A CN116198233A (en) | 2022-12-02 | 2022-12-02 | Label printer capable of preventing paper jam and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116198233A true CN116198233A (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211537844.0A Pending CN116198233A (en) | 2022-12-02 | 2022-12-02 | Label printer capable of preventing paper jam and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116198233A (en) |
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2022
- 2022-12-02 CN CN202211537844.0A patent/CN116198233A/en active Pending
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Effective date of registration: 20230607 Address after: 6001, 6th Floor, No.1 Kaifeng Road, Shangdi Information Industry Base, Haidian District, Beijing, 100085 Applicant after: Beijing Baige Feichi Technology Co.,Ltd. Address before: Room 3124, Xuanye Building, Pioneer Park, Torch High-tech Zone, Xiamen City, Fujian Province, 361006 Applicant before: XIAMEN MIAOBAO TECHNOLOGY CO.,LTD. |