CN104553366A - Sheet cutting device and image forming device - Google Patents
Sheet cutting device and image forming device Download PDFInfo
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- CN104553366A CN104553366A CN201310482392.5A CN201310482392A CN104553366A CN 104553366 A CN104553366 A CN 104553366A CN 201310482392 A CN201310482392 A CN 201310482392A CN 104553366 A CN104553366 A CN 104553366A
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- cutter
- initial position
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- sheet material
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Abstract
The invention provides a sheet cutting device and an image forming device. The sheet cutting device comprises a cutting position, a cutter, a motor, a driving mechanism, a drive control part, a determining part and a return control part, wherein a sheet is cut off in the cutting position; the guillotine-type cutter moves between the cutting position and an initial position above the cutting position; the driving mechanism transmits driving force of the motor to the cutter, so that the cutter moves between the initial position and the cutting position; the drive control part enables the cutter to fall to the cutting position from the initial position and then return to the initial position when the cutter cuts the sheet; the determining part is used for determining whether time when the cutter returns to the initial position last time exceeds a given period; and the return control part is used for enabling the cutter to return to the initial position when the determining part determines that the time when the cutter returns to the initial position last time exceeds the given period.
Description
Technical field
The present invention relates in cutting knife type sheet cutting apparatus the technology occurred from the defective mode that the position of readiness of regulation settles out through cutter prevented along with the time.
Background technology
Such as being loaded in the cutting knife type sheet cutting apparatus of printer etc., by utilizing motor to drive cutter up and down, cutting off sheet material.
In above-mentioned cutting knife type sheet cutting apparatus, during non-severed operation, make cutter standby at initial position, make when rupturing operation cutter to the sheet material landing being positioned at below, carry out the sheet cutting utilizing chopper to operate.
Cutter after sheet cutting should again be back to initial position and rise, make the cutter of rising initial position standby to below rupturing operation.
But, in cutting knife type sheet cutting apparatus as above, if make cutter continue in the state that initial position is standby for a long time, owing to putting on the vibration of sheet cutting apparatus or driving the impact etc. of maintenance moment of torsion of motor of cutter, then there is the situation that cutter lands at leisure to gravity direction.
As mentioned above along with the time to exist in the transport path projecting to conveying cutting object and sheet material through the cutter landed at leisure from initial position, the conveying of the sheet material that hinders the below to cutter that should be cut off by this sheet cutting apparatus carry, situation that paperboard (what is called " jam ") is occurred.
Summary of the invention
Sheet cutting apparatus of the present invention has off-position, cutter, motor, driving mechanism, drive control part, detection unit and returns control part, and wherein, off-position cuts off sheet material; Cutter is cutting knife type, in off-position with compare off-position and move between the initial position of more top; Driving force from motor is passed to cutter by driving mechanism, and cutter is moved between initial position and off-position; Drive control part makes cutter be back to initial position after initial position drop to off-position when cutting off sheet material by cutter; Detection unit judge to return from the cutter of last time to initial position be over whether more than specified time limit; Returning control part when being judged by detection unit after returning from the cutter of last time to initial position is over more than specified time limit, making cutter be back to initial position.
Accompanying drawing explanation
Fig. 1 is the sectional view of the formation that image processing system is shown.
Fig. 2 is the stereogram of sheet cutting apparatus.
Fig. 3 is the rearview of cutter sheet cutting apparatus when being positioned at initial position.
Fig. 4 is that cutter is positioned at the rearview cutting off sheet cutting apparatus when being over position.
Fig. 5 is the block diagram of the formation that image processing system is shown.
Fig. 6 is the flow chart of the operation that sheet cutting apparatus is shown.
Fig. 7 illustrates that cutter is positioned at the sketch of the sheet cutting apparatus of initial position.
Fig. 8 is the sketch that the sheet cutting apparatus cutting off sheet material is shown.
Fig. 9 is the sketch that the sheet cutting apparatus that cutter has landed is shown.
Figure 10 is the sketch that the sheet cutting apparatus that paperboard occurs is shown.
Figure 11 is the flow chart of the operation that sheet cutting apparatus is shown.
Figure 12 is the figure of the accumulative print pass illustrating image processing system.
Figure 13 is the figure of the relation illustrating accumulative print pass and elapsed time X.
Detailed description of the invention
First embodiment
First, with reference to accompanying drawing, the first embodiment is described.
Fig. 1 is the sectional view of the formation that image processing system is shown.As shown in Figure 1, the image processing system 100 of present embodiment possesses and such as carries the recording medium conveyance mechanism 113 of roll of recording medium 111, recording medium 111 is formed the ink gun 114 of image, be configured in and clamp recording medium transport path with ink gun 114 and pressure roller 115 on relative position, be configured in the sheet cutting apparatus 200 in the recording medium transporting direction downstream of ink gun 114, control the control part 118 of the operation etc. of sheet cutting apparatus 200.
When recording medium 111 is tag blank, image processing system 100 can also possess the gap sensor 112 at tags detected interval.
Controller 118 controls the operation of recording medium conveyance mechanism 113 and ink gun 114 further.
Fig. 2 is the stereogram of the driving mechanism that cutter 205 in sheet cutting apparatus 200 is shown.In addition, Fig. 3 is the rearview of the sheet cutting apparatus 200 of cutter 205 when being positioned at initial position, Fig. 4 be cutter 205 be arranged in cut-out be over position (rupturing operation is positioned at state during bottom) time the rearview of sheet cutting apparatus 200.In addition, in Fig. 4, for convenience of description, gear 201A described later and cutter drive part 201 is omitted.
In the present embodiment, be described for the sheet cutting apparatus 200 being cut off recording medium by cutter 205 relative to the displacement of recording medium in the vertical direction, but sheet material cutter sweep 200 can also be non-this type.
As shown in Figures 2 to 4, sheet cutting apparatus 200 possesses engaging in the elastomer 204 on framework 203, be connected to the cutter 205 on elastomer 204, drive the cutter drive part 201 of cutter, driven by cutter drive part 201 and the gear 201A rotated, be arranged at the pin 201B on the radius of gear 201A, at one end there is the pin inserting hole 206B inserting pin 201B and the drive hole 206C at middle body with the drive pin 205A inserting cutter 205 and be rotatably supported in the lever 206 of framework 203 by the fulcrum 206D of the other end, detect the initial position sensor 202 of the detect aperture 205B of cutter 205 and be fixed on the fixed teeth 207 of framework 203.
Elastomer 204 is formed by spring, exerts a force to the direction that cutter 205 is being separated with recording medium 111.
Cutter drive part 201 can use such as DC motor or stepping motor etc.
Initial position sensor 202 detects by the light detected through detect aperture 205B the initial position (state such as shown in Fig. 3) that cutter 205 is positioned at distance fixed teeth 207 position farthest.In addition, be the situation of optical profile type at this exemplified with initial position sensor 202, but be not limited thereto, certainly can also adopt such as mechanical sensor.
If cutter drive part 201 drives, then the gear 201A be arranged on the rotating shaft of cutter drive part 201 rotates.If gear 201A rotates, then while pin 201B rotates, make lever 206 displacement downwards.If lever 206 for fulcrum rotates, then sells that inserting hole 206B is force, drive hole 206C is application point with fulcrum 206D downwards, make cutter 205 be moved to cut-out downwards and be over till position.
Recording medium 111 is transferred between cutter 205 and fixed teeth 207.Thus, recording medium 111 is cut device 205 and fixed teeth 207 is cut off.Cutter 205 is now positioned at the position shown in Fig. 4.
If cutter drive part 201 drives further, then sell 201B displacement upward, lever 206 is lifted to top.If lever 206 is with fulcrum 206D for fulcrum rotates upward, then drive pin 205A is picked up to top, and cutter 205 is back to initial position.
Fig. 5 is the block diagram of the formation that image processing system 100 is shown.As shown in Figure 5, image processing system 100 possesses control part and CPU118, gap sensor 112, recording medium conveyance mechanism 113, ink gun 114, input/output unit and control panel 301, carries out with the communication interface of the communication of external device (ED) (is I/F hereinafter referred to as interface.) 302, memory 303, cutter drive part 201, initial position sensor 202 and the storage device 309 that is made up of hard drive etc.
Control part 118 (is main frame hereinafter referred to as master computer by communication I/F302 and master computer.) 220 to communicate.
Control part 118 obtains the detection signal in such as gap sensor 112 or initial position sensor 202, controls recording medium conveyance mechanism 113, ink gun 114 and cutter drive part 201 etc.By such as performing at CPU and control part 118 the various programs being uploaded to memory 303, the various process of control part 118 herein can realize.Part or all of the various programs that should perform in sheet cutting apparatus can be stored in such as storage device 309.
Fig. 6 is the flow chart of the operation that cutter device is shown.
After last time, printing operation terminated, in Act601, time image processing system 100 have received presswork, (Act601 is yes) advances to Act605.On the other hand, when not receiving presswork, (Act601 is no) advances to Act602.
In Act602, control part 118 (detection unit) starts the counting from the elapsed time X after printing operation last time is over.
In Act603, control part 118 (detection unit) (Act603 is yes) when the time of judgement counting have passed through elapsed time X advances to Act604.It can be such as 60 minutes as elapsed time X.On the other hand, in Act603, control part 118 (detection unit) returns Act601 in judgement (Act603 is no) not in elapsed time X.
In Act604, control part 118 sets mark, advances to Act601.
In Act605, control part 118 cancellation, after Act602 starts the time counted, advances to Act606.This is because the counting of timer is not if reset, then image processing system carries out printing operation at every turn, and Act608 is (cutter to initial position return operation) operation.Carry out printing operation as carried out cutter initialization, then at every turn long through receiving the time cost till printing is over from presswork.
In Act606, control part 118, when Act604 setting is markd, makes process advance to Act607.On the other hand, when not setting mark, control part 118 is in Act609 process.
At Act607, control part 118 resets the mark in Act604 setting.If this is because do not reset mark, then carry out printing operation at every turn, all carry out initializing at the cutter of Act608.
In Act608, control part 118 (returning control part) performs cutter and initializes.Specifically, the cutter 205 in sheet cutting apparatus 200 is made to rise and be back to initial position.Accordingly, contacting from the cutter 205 of initial position displacement downwards with as cutting off the sheet material that object transports through waiting along with the time is prevented.Cutter initializes owing to can carry out before by cut off machine material, prevents cutter from contacting with sheet material more reliably.If this is because carried out cutter initialization before by cut off machine material, then cutter lands after returning initial position again, the possibility step-down contacted with sheet material.
At Act609, control part 118 forms image on sheet material.
At Act610, control part 118 (drive control part) drives cutter drive part 201, cuts off the sheet material of conveying in off-position.
In figure 6, the cutter initialization operation of Act608 is explained.As shown in Figure 7, printed medium body and sheet material 701 move in sheet material transport path 702, and in off-position, sheet material 701 stops, and cutter 205 in the vertical direction lands.Accordingly, sheet material 701 is cut off as shown in Figure 8.But as shown in Figure 9 when the process along with the time waits cutter 205 to land, the sheet material 701 carried as shown in Figure 10 contacts with the cutter 205 of landing, and paperboard occurs.
In the Act602 of Fig. 6, be not necessarily over for benchmark counts with printing operation for cutter initializes the elapsed time X triggered.Such as, cutter 205 can be returned the time of initial position last time as triggering.In addition, such as, can also presswork last time be received as triggering, start the counting of elapsed time X.
The cancellation during timer of the Act605 of Fig. 6, can before printing operation be over after presswork receives.Need not presswork in Act601 receive judge after, before mark in Act606 judges.
The resetting of mark of the Act607 of Fig. 6 can before the mark of Act606 judges the setting of the mark in rear Act604.Need not after the mark of Act607 judges before Act608 cutter initialization operation.
Second embodiment
Then, the second embodiment is described with reference to accompanying drawing.Second embodiment is the variation of the first embodiment, and it is the same that its basic device is formed.Below, with describe the place that part has a said function in the first embodiment and enclose same symbol, omit the description.
Motor or driving mechanism are deteriorated along with the process of time or its frequency of utilization.The deterioration of such driving mechanism etc. can be considered easily to make in the standby cutter displacement downwards of initial position, the situation being difficult to reverse displacement.
Thus, according to the deterioration state of motor or driving mechanism, be necessary to control stipulated time X and return operation through cutter afterwards to initial position.
Figure 11 is the flow chart of the operation of the sheet cutting apparatus illustrated according to the second embodiment.In addition, at this, as an example, by owing to the deterioration of driving mechanism etc., being example in the situation of the cutter that initial position is standby easy displacement landing repeatedly because of the rupturing operation in sheet cutting apparatus.
After printing operation in Act609 is over, in Act1101, the print pass of print pass rolling counters forward image processing system 100.Print pass is the accumulative print pass in its image processing system.Figure 12 is the table that accumulative print pass is shown.
In Act1102, control part 118 ' (timer control part) makes the elapsed time X from printing operation last time is over of the initialized triggering of cutter become in Act609 change according to the print pass at Act1101 counting.
At this, if certain from the elapsed time X of last time printing operation becoming the initialized triggering of cutter, then elapsed time X through before cutter 205 drop to and cause the height of paperboard (cutter front end enters the height in sheet material transport path), have the possibility contacted with the sheet material 701 of conveying.Thus, in order to prevent the sheet material 701 carried from contacting with the cutter 205 along with the deterioration because of use, easily displacement downwards, according to the increase of print pass, reduced in the elapsed time.The corresponding relation of print pass and elapsed time X is such as the form shown in Figure 13.Along with print pass increases, the numerical value of elapsed time X reduces.
In addition, for the motor of sheet cutting apparatus 200 or driving mechanism etc. replacing or when repairing print pass preferably reset.It is because considering the process in time such as motor or driving mechanism and the result of deterioration that elapsed time X is changed.
In addition, at this exemplified with by sheet cutting apparatus rupturing operation and in the situation of the cutter that initial position is standby easy displacement landing repeatedly, but, in contrast due to because of rupturing operation repeatedly and the deterioration of driving mechanism etc., when the cutter that initial position is standby is difficult to displacement landing, stipulated time X can be made to increase according to the increase of print pass (i.e. the breaks of cutter).
Although be described above some embodiment of the present invention, these embodiments are only carry out exemplary illustration to the present invention, instead of are intended to limit the scope of the invention.In fact, the various novel method described in present disclosure and system can be embodied by other various forms.Further, under the premise of without departing from the spirit of the present invention, various omission, replacement and change can be done to the form of the method and system described in this description.In fact, appended claim and equivalent thereof should contain these form falling into scope and spirit of the present invention or amendments.
Claims (10)
1. a sheet cutting apparatus, comprising:
Off-position, cuts off sheet material in this off-position;
Cutting knife type cutter, this cutting knife type cutter is in described off-position and compare described off-position and move between the initial position of more top;
Motor;
Driving mechanism, the driving force from motor is passed to described cutter by this driving mechanism, and described cutter is moved between described initial position and described off-position;
Drive control part, this drive control part makes described cutter be back to described initial position after described initial position drop to described off-position when cutting off sheet material by described cutter;
Detection unit, this detection unit judge to return from cutter described in last time to described initial position be over after whether more than specified time limit; And
Return control part, this return control part described detection unit judge to return from cutter described in last time to described initial position be over after have passed through more than specified time limit time make described cutter be back to described initial position.
2. sheet cutting apparatus according to claim 1, also comprises:
Counter, drive control part described in this rolling counters forward is to the driving number of times of described cutter; And
Changing unit during setting, during this setting, changing unit changes described specified time limit according to the driving number of times by described rolling counters forward.
3. sheet cutting apparatus according to claim 2, wherein,
During described setting, changing unit shortens described specified time limit according to the increase of the driving number of times by described rolling counters forward.
4. an image processing system, comprising:
Image forming part, this image forming part forms image on sheet material;
Sheet material delivery section, this sheet material delivery section will be formed with the sheet material conveyance direction downstream side conveying of sheet material to regulation of image at described image forming part;
Cutting knife type cutter, this cutting knife type cutter cut off the off-position having formed the sheet material of image at described image forming part of being carried by described sheet material delivery section with compared with described off-position move between the initial position of more top;
Motor;
Driving mechanism, the driving force from motor is passed to described cutter by this driving mechanism, and described cutter is moved between described initial position and described off-position;
Drive control part, this drive control part makes described cutter be back to described initial position after droping to described off-position from described initial position;
Whether detection unit, after this detection unit judges to be over from the image formation processing of image forming part described in last time more than specified time limit; And
Return control part, when have passed through more than specified time limit after being over from the image formation processing of image forming part described in last time by described detection unit judgement, make described cutter be back to described initial position.
5. image processing system according to claim 4, wherein,
The described control part that returns is when have passed through more than specified time limit after being judged by described detection unit to be over from the image formation processing of image forming part described in last time, from accept described image forming part current image formation processing execution instruction to starting this image formation processing during make described cutter be back to described initial position.
6. image processing system according to claim 4, also comprises:
Counter, drive control part described in this rolling counters forward is to the driving number of times of described cutter; And
Changing unit during setting, during this setting, changing unit changes described specified time limit according to the driving number of times by described rolling counters forward.
7. image processing system according to claim 6, wherein,
During described setting, changing unit shortens described specified time limit according to the increase of the driving number of times by described rolling counters forward.
8. the sheet cutting method of a sheet cutting apparatus, this sheet cutting apparatus comprises the off-position cutting off sheet material, at described off-position and the cutting knife type cutter compared to the movement between the initial position of more top of described off-position, motor, driving force from motor is passed to described cutter and makes the driving mechanism of described cutter movement between described initial position and described off-position and make when cutting off sheet material by described cutter described cutter from the drive control part being back to described initial position after described initial position drop to described off-position, wherein, the sheet cutting method of this sheet cutting apparatus comprises:
Judge returning from cutter described in last time to described initial position after being over whether more than specified time limit,
Judge to return from cutter described in last time to described initial position be over after have passed through more than specified time limit time, make described cutter be back to described initial position.
9. the sheet cutting method of sheet cutting apparatus according to claim 8, wherein,
Count the driving number of times of described drive control part to described cutter,
Driving number of times according to counting changes described specified time limit.
10. the sheet cutting method of sheet cutting apparatus according to claim 9, wherein,
During described setting, changing unit shortens described specified time limit according to the increase of the driving number of times by described rolling counters forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482392.5A CN104553366A (en) | 2013-10-15 | 2013-10-15 | Sheet cutting device and image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310482392.5A CN104553366A (en) | 2013-10-15 | 2013-10-15 | Sheet cutting device and image forming device |
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| CN104553366A true CN104553366A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310482392.5A Pending CN104553366A (en) | 2013-10-15 | 2013-10-15 | Sheet cutting device and image forming device |
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| CN (1) | CN104553366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019104122A (en) * | 2017-12-08 | 2019-06-27 | 東芝テック株式会社 | Printer and program |
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| JP2002103711A (en) * | 2000-09-29 | 2002-04-09 | Seiko Epson Corp | Fixing structure of cutting mechanism and tape printer comprising it |
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Application publication date: 20150429 |