CN107618276B - Print media height adjusts control method and printing equipment - Google Patents

Print media height adjusts control method and printing equipment Download PDF

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Publication number
CN107618276B
CN107618276B CN201610552975.4A CN201610552975A CN107618276B CN 107618276 B CN107618276 B CN 107618276B CN 201610552975 A CN201610552975 A CN 201610552975A CN 107618276 B CN107618276 B CN 107618276B
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China
Prior art keywords
print media
until
printing
vernier
load bearing
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CN201610552975.4A
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Chinese (zh)
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CN107618276A (en
Inventor
后德君
雷凯
洪亮
李娜
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株式会社理光
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Publication of CN107618276B publication Critical patent/CN107618276B/en

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Abstract

The present invention provides a kind of print media height adjustment control method, control is adjusted for the height to the print media in printing equipment, it is characterized in that, it include: step a, before starting printing, control carries the load bearing unit level run of print media, and the vertical range for being directed at surface of print media while running and printing between end surface detects;Step b, in above-mentioned operation detection process, once detecting that the vertical range between the somewhere of surface of print media and printing end surface is less than scheduled distance, then controls load bearing unit and stop level run and run down the surface of print media at this and print the vertical range of end surface not less than until scheduled distance;And step c, repeat the above steps a and step b, until the vertical range between the whole surface and printing end surface of print media is detected as not less than scheduled distance.The present invention also provides a kind of printing equipments.

Description

Print media height adjusts control method and printing equipment

Technical field

The present invention relates to a kind of print media height adjustment control method and printing equipments.

Background technique

In general, a suitable printing distance should be kept between the printing end surface and print media of ink-jet printer.Away from The printing effect too far away that will lead to is undesirable, and distance is too close to lead to mechanical breakdown or machine because print head touches print unit again Tool damage.

Different from common print paper, the thickness of some type of print media has differences, and surface may be Out-of-flatness.For example, the thickness of T-shirt (hereinafter also referred to " T-Shirt ") is usually revocable, and may be due to having neck Mouth, pocket, ornament etc. and make surface irregularity.In the mistake printed to print media as such as T-Shirt Cheng Zhong, the distance between surface of print media and printing end surface are uncertain.

In order to avoid being situated between when being printed to print media as such as T-Shirt due to printing end surface and printing The printing effect that the distance between matter is improper and may cause is undesirable or mechanical breakdown or the problem of mechanical failure, usually It needs before the printing first to be adjusted to print media as such as T-Shirt suitably to print height, so that it is guaranteed that not Occur to be printed under the optimal distance of mechanical breakdown or mechanical failure.

The printer that print media as such as T-Shirt is printed currently on the market, be by user according to The thickness of print media prints height to manually set.And it the error of user's range estimation and manually sets the precision of device and asks Topic, it may be necessary to which the repeated multiple times setting of user can preferably be printed while avoiding occurring mechanical breakdown/damage Effect.Not only the operation of user is very cumbersome in this way, and will cause a large amount of wastes of printing consumables (print media, ink etc.) Or mechanical failure.

Summary of the invention

The present invention be in order to solve the problems, such as it is above-mentioned at least one and complete, it is a kind of manual without user the purpose is to provide Adjustment controls the height of print media (for example, T-Shirt) and can carry out the printing that the adjustment of print media height controls automatically Medium level adjusts control method and printing equipment.

In order to achieve the above object, according to an aspect of the present invention, providing a kind of print media height adjustment control method, using Control is adjusted in the height to the print media in printing equipment, comprising:

Step a, before starting printing, control carries the load bearing unit level run of print media, and transports on one side Row on one side detects the vertical range between surface of print media and printing end surface;

Step b, in above-mentioned operation detection process, once detect surface of print media somewhere and printing end surface it Between vertical range be less than scheduled distance, then control load bearing unit stop level run and run down until this at printing The vertical range of dielectric surface and printing end surface is not less than until scheduled distance;And

Step c, repeat the above steps a and step b, until hanging down between the whole surface and printing end surface of print media Straight distance is detected as not less than until scheduled distance.

Print media height adjustment control method according to the present invention can be automatically performed the print media of such as T-Shirt Height adjustment control, thus compared to user manually adjust control print media height for, be not only able to save printing Consumptive material, and the operation of user can be simplified, improve the usage experience and printing effect of user.Also, printing according to the present invention Medium level adjusts hanging down between whole surface of the control method based on the print media to such as T-Shirt and printing end surface The testing result of straight distance carries out the adjust automatically of print media height, it is thus possible to improve the adjustment of print media height Accuracy.

Further, control method is adjusted according to above-mentioned print media height, before carrying out above-mentioned operation detection process, control The load bearing unit is made from initial position level run, until the initial detecting position for the surface of print media being instructed to and printing Until the distance between end surface can be detected, and controls the load bearing unit and run up until the initial detecting portion Until vertical range between position and printing end surface is detected as being less than the scheduled distance.

Further, control method is adjusted according to above-mentioned print media height and first controls institute in above-mentioned operation detection process It states load bearing unit to run along a direction in level run direction, until the load bearing unit reaches the end on one direction Until end position, then controls the load bearing unit and run along another direction in level run direction, until the carrying is single Until member reaches the terminal location on another described direction.

Further, control method is adjusted according to above-mentioned print media height, via the trip being arranged on the load bearing unit Device for mark by user indicates the initial detecting position, and the vernier device includes vernier guide rail and vernier, by described The vernier is moved on vernier guide rail to indicate the initial detecting position, and controls the load bearing unit from initial position water Flat operation is until the vernier detects and then control the load bearing unit level run until described first by vernier sensor Until the distance between beginning detection position and printing end surface can be detected.

By indicating the initial detecting position of print media by user using vernier device, make it possible to from based on user Range estimation and the highest face temperature position of specified print media starts above-mentioned operation detection process so that print media is high The adjust automatically control of degree is more rapidly convenient, and then further increases printing effect.

Further, control method, detection surface of print media and printing end surface are adjusted according to above-mentioned print media height Between the vertical range detection unit of vertical range include LED sensor, the LED sensor includes LED transmitter and LED Receiver, the LED transmitter and LED reception device are positioned opposite in the horizontal direction vertical with level run direction.

Further, control method is adjusted according to above-mentioned print media height, via the school being arranged on the load bearing unit Quasi- unit carries out calibration of the vernier sensor to the detection of the vernier.

Vernier sensor calibrates the detection of vernier by setting calibration unit, can be improved vernier sensor To the detection accuracy of vernier.

According to another aspect of the present invention, a kind of printing equipment, the height of the print media in the printing equipment are provided Degree can be adjusted control, and the printing equipment includes:

Load bearing unit, for carrying print media;

Vertical range detection unit, for detecting surface of print media and printing the vertical range between end surface;And

Displacement controller controls the load bearing unit level run for repeating before starting printing, wherein The load bearing unit is run on one side, and the vertical range between surface of print media and printing end surface is checked on one side, and And in above-mentioned operation detection process, once detect the vertical range between the somewhere of surface of print media and printing end surface Less than scheduled distance, then controls load bearing unit and stop level run and run down the surface of print media at this and beat Until the vertical range of print end surface is not less than scheduled distance, until between the whole surface and printing end surface of print media Vertical range be detected as not less than until scheduled distance.

Further, according to above-mentioned printing equipment, before carrying out above-mentioned operation detection process, the displacement controller is used for The load bearing unit is controlled from initial position level run, until the initial detecting position for the surface of print media being instructed to and beating Until the distance between print end surface can be detected, and controls the load bearing unit and run up until the initial detecting Until vertical range between position and printing end surface is detected as being less than the scheduled distance.

Further, according to above-mentioned printing equipment, in above-mentioned operation detection process, the displacement controller is for first controlling The load bearing unit is run along a direction in level run direction, until the load bearing unit reaches on one direction Until terminal location, then controls the load bearing unit and run along another direction in level run direction, until the carrying Until unit reaches the terminal location on another described direction.

Further, it according to above-mentioned printing equipment, is provided on the load bearing unit and the initial detecting portion is indicated by user The vernier device of position, the vernier device includes vernier guide rail and vernier, and the user on the vernier guide rail by moving The vernier indicates the initial detecting position, and the displacement controller is for controlling the load bearing unit from initial bit Level run is set until the vernier detects and then control the load bearing unit level run until institute by vernier sensor State initial detecting position and until printing the distance between end surface can be detected.

In conclusion adjusting control method and printing equipment using print media height according to the present invention, can be realized The height of control print media (for example, T-Shirt) is manually adjusted without user and can carry out print media height automatically Adjustment control provides conveniently for user so as to simplify the operation of user, improves the usage experience and printing effect of user.

Detailed description of the invention

When read in conjunction with the accompanying drawings, from following detailed description, other purposes of embodiment and further feature will It becomes apparent, in which:

Fig. 1 shows the flow chart of print media height adjustment control method according to the present invention;

Fig. 2 shows the block diagram of printing equipment according to the present invention constituted substantially;

Fig. 3 shows the schematic diagram of the part construction of printing equipment provided by embodiment;

Fig. 4 shows the flow chart of the adjustment control method of print media height provided by embodiment;

Fig. 5 shows the schematic diagram of print media height adjustment control process according to the embodiment;

Fig. 6 (A) shows vernier sensor according to the embodiment to the schematic diagram of the basic principle of the detection of vernier;

Fig. 6 (B) shows the example sampled value schematic diagram of vernier regular sensor sampling according to the embodiment;And

Fig. 7 shows the schematic diagram of the highly automated adjustment control according to the embodiment based on half range detection and full width detection.

Specific embodiment

Further to illustrate the contents of the present invention, below in conjunction with attached drawing, by the explanation of specific embodiment, to the present invention More deeply specifically introduce.

According to an aspect of the present invention, a kind of print media height adjustment control method is provided, this method is for fighting each other Printing equipment set in the height of print media be adjusted control.Fig. 1 shows print media height adjustment control according to the present invention The flow chart of method.As shown in Figure 1, print media height adjustment control method according to the present invention includes:

Step S11, before starting printing, control carries the load bearing unit level run of print media, and on one side Operation on one side detects the vertical range between surface of print media and printing end surface;

Step S12, in above-mentioned operation detection process, once detect somewhere and the printing end surface of surface of print media Between vertical range be less than scheduled distance, then control load bearing unit stop level run and run down until this at beating It prints dielectric surface and prints the vertical range of end surface not less than until scheduled distance;And

Step S13, repeat the above steps S11 and step S12, until print media whole surface and printing end surface it Between vertical range be detected as not less than until scheduled distance.

According to another aspect of the present invention, a kind of printing equipment is provided, the height of the print media in the printing equipment Control can be adjusted.Fig. 2 shows the block diagram of printing equipment according to the present invention constituted substantially.As shown in Fig. 2, according to this hair Bright printing equipment includes:

Load bearing unit 21, for carrying print media;

Vertical range detection unit 22, for detecting surface of print media and printing the vertical range between end surface;With And

Displacement controller 23 controls the load bearing unit level run for repeating before starting printing, In, the load bearing unit is run on one side, and the vertical range between surface of print media and printing end surface is checked on one side, And in above-mentioned operation detection process, once detect surface of print media somewhere and printing end surface between it is vertical away from From be less than it is scheduled with a distance from, then control load bearing unit stop level run and run down until this at surface of print media with The vertical range of end surface is printed not less than until scheduled distance, until print media whole surface and printing end surface it Between vertical range be detected as not less than until scheduled distance.

Next, specific embodiments of the present invention are described in detail in conjunction with Fig. 3 to Fig. 7.In the following description In, example using T-shirt as print media is illustrated, and in the description, refers to T-shirt with " T-shirt ".

Fig. 3 shows the schematic diagram of the part construction of printing equipment provided by the embodiment of the present invention.As shown in figure 3, implementing Printing equipment provided by example includes T-shirt pallet 31, plate 33, LED sensor 36, vernier sensor 35 and printing First 37.T-shirt pallet 31 is located at the top of plate 33, is used as load bearing unit 21, for carrying fixed T- on it shirt32.Vernier device 34 is provided on T-shirt pallet 31 comprising vernier guide rail 341 and vernier 342.Vernier device 34 It is indicated for initial detecting position of the user to the surface T-shirt32.Specifically, user passes through on vernier guide rail 341 Moving cursor 342 indicates the initial detecting position on the surface T-shirt32.Vernier sensor 35 and print head 37 are integrated in one It rises, vernier sensor 35 is for detecting vernier 342, and print head 37 on the surface of T-shirt32 for being printed. LED sensor 36 is used as vertical range detection unit 22, between the surface to T-shirt32 and the end face of print head 37 Vertical range is detected.LED sensor 36 is located at the lower section of print head 37 in vertical direction (short transverse).Embodiment In, printing equipment shown in Fig. 3 further includes the displacement controller 23 (being not shown in Fig. 3) in Fig. 2.Displacement controller 23 is used for In the adjustment control process for carrying out the height of print media, level run and upper and lower operation to T-shirt pallet 31 are controlled System.Displacement controller 23 can for example be realized by the software program being mounted in the printing equipment in Fig. 3.

In embodiment, under the control of displacement controller 23, T-shirt pallet 31 in Fig. 4 can be indicated by the arrow Horizontal direction (horizontal displacement direction) on horizontal (left and right) operation, and can run up and down in vertical direction, that is, T- The height of shirt pallet 31 in vertical direction can be adjusted.T-shirt pallet 31 to the left can horizontal displacement to T- The left end of shirt pallet 31 flushes in vertical direction with the left end (end B) of plate 33, to the right can horizontal displacement to T- The right end of shirt pallet 31 flushes in vertical direction with the right end (end A) of plate 33.In embodiment, originally, T-shirt support Disk 31 is located at the initialized location that its right end flushes in vertical direction with the end A of plate 33, when T-shirt pallet 31 is located at just When beginningization position, bottom surface and the upper surface of plate 33 are almost abutted, and T-shirt pallet 31 is in the height of initialized location For the minimum altitude of T-shirt pallet 31.And the height of T-shirt pallet 31 in vertical direction be adjusted completion after and Print head 37 starts before the surface of T-shirt32 is printed, and T-shirt pallet 31 is by control level run to its left end The printing position of readiness flushed in vertical direction with the end B of plate 33, the height of T-shirt pallet 31 is to start to print at this time The height being finally adjusted before.

In embodiment, LED sensor 36 is used as vertical range detection unit 22, for detecting the surface T-shirt32 and beating Print the vertical range between 37 end face of head comprising a pair of of LED transmitter and LED reception device.LED transmitter is for emitting detection Light, and LED reception device is for receiving the detection light launched by LED transmitter.As shown in figure 3, LED transmitter and LED reception Device is positioned opposite in the horizontal direction (front-rear direction) vertical with horizontal displacement direction, to detect the direction of light beam along front and back Direction.It detects and differs scheduled vertical range between the bottom end and 37 end face of print head of light beam, and detect light beam and print head 37 are in different positions on horizontal displacement direction.Above-mentioned scheduled distance, which is considered, can ensure that machine will not occur Optimal printing distance between tool failure or 37 end face of print head and the surface T-shirt32 highest point of mechanical failure.

In embodiment, LED sensor 36 is for detecting on the surface T-shirt32 with above-mentioned detection light in horizontal displacement direction Vertical range between 37 end face of position and print head of upper position having the same.In other words, on horizontal displacement direction Itself and printing can be detected by LED sensor 36 with the position on the surface T-shirt32 of above-mentioned detection light position having the same Vertical range between first 37 end face.It is easily understood that having on horizontal displacement direction with above-mentioned detection light in embodiment The position on the surface T-shirt32 of identical position is likely located at above-mentioned inspection according to different height locating for T-shirt pallet 31 Survey the underface of light (in this case, which does not stop detection light), it is also possible to stop detection light.When the position blocks inspection When surveying light, then the vertical range between 37 end face of the position and print head is less than above-mentioned scheduled distance, and when the position does not have When stopping detection light, then the vertical range between 37 end face of the position and print head is not less than above-mentioned scheduled distance.Therefore, root Whether have a blocking according to detection light, LED sensor 36 can detecte out can by the surface T-shirt32 of its detection position and beat Print the vertical range between 37 end face of head.In embodiment, LED sensor 36 is arranged to by controlling 31 water of T-shirt pallet Flat operation, LED sensor 36 can between each position and 37 end face of print head in T-shirt32 whole surface it is vertical away from From being detected.

Next the detailed process of the adjustment control method of print media height provided by embodiment is described in detail.Following In the height adjustment control process of the print media of description, level run and the control that runs up and down about T-shirt pallet 31 System is realized using displacement controller 23.

Fig. 4 shows the flow chart of the adjustment control method of print media height provided by the embodiment of the present invention.Fig. 5 shows root According to the schematic diagram of the print media height adjustment control process of embodiment.When user needs to exist using printing equipment shown in Fig. 3 When the surface of T-shirt32 is printed, firstly, user is in the T-shirt pallet for being located at initialized location in step S401 The T-shirt32 that fixed placement will be printed well on 31, thereafter by vernier guide rail 341 moving cursor 342 indicate The initial detecting position on the surface T-shirt32.In embodiment, vernier guide rail 341 is along the horizontal displacement side with T-shirt pallet 31 To being set in parallel, when by the movement of vernier 342 somewhither, the surface T-shirt32 is on horizontal displacement direction with this to be had The position of identical position is indicated as initial detecting position.Also, vernier guide rail 341 is configured to along horizontal displacement direction It is enough that any position on the surface T-shirt32 is designated as by initial detecting position by vernier 342.After completing step S401, The state of printing equipment is as shown in (a) in Fig. 5.After completing step S401, user can be by pressing on printing equipment Start button is printed to indicate to print.

Indicate to print when user presses printing start button, and print head 37 start the surface of T-shirt32 into Before row printing, the adjust automatically control of print media height is carried out.

Firstly, T-shirt pallet 31 is controlled direction (to the left) horizontal position from initialized location towards vernier sensor 35 It moves, until vernier sensor 35 detects vernier 342.It is sensed hereinafter, describing vernier in embodiment in conjunction with Fig. 6 (A) and 6 (B) Basic principle of the device 35 to the detection of vernier 342.In embodiment, vernier sensor 35 can issue transmitting light, and to the transmitting The light intensity of reflected light after light is reflected via object is detected (sampling).In embodiment, vernier sensor 35 is configured as working as 341 horizontal displacement of vernier guide rail on T-shirt pallet 31 to below when, vernier guide rail is incident on by its transmitting light issued Position on 341, and (sampling) then is detected to the reflected light after the reflection of the position.For example, transmitting light passes through vernier After the reflection of guide rail 341, the intensity for the reflected light that vernier sensor 35 detects is about ФA, and led in transmitting light by vernier After the reflection of vernier 342 on rail 341, the intensity for the reflected light that vernier sensor 35 detects is about ФB, and ФBA。 Fig. 6 (B) shows the horizontal displacement with T-shirt pallet 31, and vernier sensor 35 is in different sampling time points to vernier The example of the intensity of the reflected light sampled at different location on guide rail 341.As shown in Fig. 6 (B), due to sampling obtained trip The intensity of the reflected light at the intensity of the reflected light at 342 present positions and the other positions on vernier guide rail 341 is marked in the presence of poor Not, therefore in sampling process the intensity of the reflected light obtained by comparing sampling, can judge whether vernier 342 is swum Mark sensor 35 detects.If vernier is detected, according to determining cursor sample moment t0And T-shirt pallet 31 Mobile speed can be obtained by vernier 342 the location of on vernier guide rail 341.

In embodiment, in order to reduce influence of the ambient lighting to reflective light intensity, so that vernier sensor 35 is to vernier 342 It detects more acurrate, the calibration unit 38 for being calibrated to ambient lighting is additionally provided on T-shirt pallet 31 (referring to figure 6 (A)), by calibrating using calibration unit 38 to ambient lighting, it can be improved vernier sensor 35 to vernier 342 The accuracy of detection.As shown in Fig. 6 (A), in embodiment, it is (left that the apex on T-shirt pallet 31 is arranged in calibration unit 38 End), it is in a straight line with vernier guide rail 341, when T-shirt pallet 31 is moved to the left to calibration unit from initialized location 38 be located at vernier sensor 35 lower section when, vernier sensor 35 first detects the reflective light intensity of calibration unit 38.Implement In example, the transmitting light for emitting the reflective light intensity after light is reflected via calibration unit 38 and vernier sensor 35 of vernier sensor 35 Reflective light intensity after reflecting via vernier 342 is of substantially equal, and by the detection of the reflective light intensity to calibration unit 38 come really It is scheduled on the reflective light intensity that should be detected when detecting vernier 342.Due to ambient lighting to the reflective light intensity of calibration unit 38 and The reflective light intensity of vernier 342 will cause influence, thus by detection in current light (the transmitting light including vernier sensor 35 And ambient lighting) under calibration unit 38 intensity of reflected light, and determine that vernier 342 exists according to the reflective light intensity detected The reflective light intensity that should be detected under current light can be realized the automatic calibration to ambient lighting, that is, sensing to vernier Device 35 calibrates the detection of vernier 342, to improve the accuracy of detection of the vernier sensor 35 to vernier 342.

Therefore, in step S402, T-shirt pallet 31 is controlled from initialized location towards the direction of vernier sensor 35 (to the left) horizontal displacement, when the calibration unit 38 on T-shirt pallet 31 reaches 35 lower section of vernier sensor, vernier sensor The intensity of reflected light of calibration unit 38 under 35 pairs of current lights detects, to be calibrated (such as Fig. 6 automatically to environment light (A) shown in (a) in).Next in step S403, with the horizontal displacement of T-shirt pallet 31, vernier sensor 35 is right Reflective light intensity on vernier guide rail 341 at different location is detected (shown in (b) in such as Fig. 6 (A)), also, is detected Reflective light intensity be compared with the intensity of reflected light for the calibration unit 38 being detected to judge whether vernier 342 is detected To (step S404), until vernier 342 is detected (shown in (c) in such as Fig. 6 (A)).Execute step S402 to S404 Process it is corresponding with the state of the printing equipment as shown in (b) in Fig. 5.

It is detected in vernier 342 after (step S404's be), next, in step S405, control T-shirt support Disk 31 stops horizontal displacement to the left, and according to the location of vernier 342, controls T-shirt pallet 31 towards LED sensor 36 (to the right) the initial detecting position on horizontal displacement to the surface T-shirt32 as indicated by vernier 342 reaches LED sensor 36 Until the underface of light, that is, the vertical range between 37 end face of initial detecting position and print head is enabled to be passed by LED Sensor 36 detects.Since initial detecting position is located at the underface of the light of LED sensor 36 without stopping LED sensing at this time The light of device 36, then it is assumed that the vertical range between 37 end face of initial detecting position and print head be detected as be greater than it is scheduled away from From.The process for executing step S405 is corresponding with the state of the printing equipment as shown in (c) in Fig. 5.

Next, control T-shirt pallet 31 shifts up in step S406, until initial detecting position and printing Until vertical range between first 37 end face is detected as being less than scheduled distance by LED sensor 36 (in step S407 be), That is, until light of the initial detecting position to LED sensor 36 has blocking.Execute step S406 to S407 process with such as The state of printing equipment shown in (d) in Fig. 5 is corresponding.

Once T-shirt pallet 31 is shifted up to the vertical range quilt between 37 end face of initial detecting position and print head Be detected as be less than it is scheduled apart from when, that is, when there is blocking at initial detecting position to the light of LED sensor 36, next, in step In rapid S408, T-shirt pallet 31, which is just controlled to stop, to be shifted up, and towards the horizontal displacement of initialized location direction.Such as It is upper described, with the 31 one side horizontal displacement of T-shirt pallet, have on horizontal displacement direction with the detection light of LED sensor 36 There is the vertical range between 37 end face of position and print head on the surface T-shirt32 of identical position can be by LED sensor 36 detections.When in 31 horizontal displacement to initialized location direction of T-shirt pallet terminal location or the surface T-shirt32 Vertical range between 37 end face of somewhere and print head be detected as being less than it is scheduled apart from when (in step S409 be), then control T-shirt pallet 31 (step S410) out of service processed.Between 37 end face of somewhere if it is the surface T-shirt32 and print head Vertical range be detected as being less than scheduled distance (in step S411 be), then control T-shirt pallet 31 and run down One section of fixed distance (step S412).After T-shirt pallet 31 runs down one section of fixed distance, at this and print head Vertical range between 37 end faces is still detected as being less than scheduled distance (in step S413 be), then return step S412 is straight Vertical range to this between 37 end face of print head is detected as not less than scheduled distance.Determine when in step S413 Vertical range between 37 end face of somewhere and print head on the surface T-shirt32 not less than it is scheduled apart from when, then return step S408 is until the terminal location in 31 horizontal displacement to initialized location direction of T-shirt pallet (in step S411 It is no).So far, the position (not including initial detecting position) of left end on from initial detecting position to the surface T-shirt32 is completed Operation detect (hereinafter referred to as " half range detection "), and based on the result of detection to the progress of the vertical height of T-shirt pallet 31 Adjustment.The process for executing step S408-S413 is corresponding with the state of the printing equipment as shown in (e) in Fig. 5.

When the terminal location in 31 horizontal displacement to initialized location direction of T-shirt pallet (in step S411 It is no), next, T-shirt pallet 31 is controlled towards printing position of readiness direction horizontal displacement in step S414.As above Described, with the 31 one side horizontal displacement of T-shirt pallet, the detection light on horizontal displacement direction with LED sensor 36 has Vertical range between 37 end face of position and print head on the surface T-shirt32 of identical position can be by LED sensor 36 Detection.When 31 horizontal displacement of T-shirt pallet to the terminal location or the surface T-shirt32 printed on position of readiness direction Vertical range between 37 end face of somewhere and print head be detected as being less than it is scheduled apart from when (in step S415 be), then control T-shirt pallet 31 (step S416) out of service processed.Between 37 end face of somewhere if it is the surface T-shirt32 and print head Vertical range be detected as being less than scheduled distance (in step S417 be), then control T-shirt pallet 31 and run down One section of fixed distance (step S418).After T-shirt pallet 31 runs down one section of fixed distance, at this and print head Vertical range between 37 end faces is still detected as being less than scheduled distance (in step S419 be), then return step S418 is straight Vertical range to this between 37 end face of print head is detected as not less than scheduled distance.Determine when in step S419 Vertical range between 37 end face of somewhere and print head on the surface T-shirt32 not less than it is scheduled apart from when, then return step S414 is until the terminal location in 31 horizontal displacement of T-shirt pallet to printing position of readiness direction (in step S417 It is no).So far, the operation at the position of right end on from the position of left end on the surface T-shirt32 to the surface T-shirt32 is completed It detects (hereinafter referred to as " full width detection "), and is adjusted based on vertical height of the result of detection to T-shirt pallet 31. The process for executing step S414-S419 is corresponding with the state of the printing equipment as shown in (f) in Fig. 5.

Fig. 7 shows the signal of the highly automated adjustment based on half range detection and full width detection of embodiment according to the present invention Figure.In Fig. 7, from it is other it is relevant it is shown in the drawings unlike, arrow to the left is indicated to initialized location direction water Prosposition moves, and arrow to the right is indicated to printing position of readiness direction horizontal displacement.

(a) in Fig. 7 indicates to shift up by controlling T-shirt pallet 31 until signified by vernier 342 by user Vertical range between 37 end face of the initial detecting position on the surface T-shirt32 shown and print head is just by LED sensor 36 It is detected as being less than scheduled distance, that is, just there has been the light of LED sensor 36 at initial detecting position the state of blocking.

In the state that (a) is shown, start " half range detection " as described above.Firstly, T-shirt pallet 31 is to initialization Locality horizontal displacement.Once can be passed by LED on the surface T-shirt32 during T-shirt 31 horizontal displacement of pallet The vertical range between 37 end face of position and print head that sensor 36 detects is detected as being less than scheduled distance (that is, the position Obstruct the light) (as shown in (b)), then as shown in (c), T-shirt pallet 31 is controlled to stop horizontal displacement, and to bottom offset One section of fixed distance, such as 1mm.After T-shirt pallet 31 is to one section of fixed distance of bottom offset, if the position and printing Vertical range between first 37 end face is still detected as being less than scheduled distance (still obstructing the light), then continues to bottom offset T- 31 1 sections of fixed distances of shirt pallet, until 37 end face of the position and print head between vertical range be detected as it is not small Until scheduled distance.Later, continue to control T-shirt pallet 31 in the height being adjusted to initialized location direction water Prosposition moves, if a part and 37 end face of print head on the surface T-shirt32 as described above occurs again during this Between vertical range be detected as be less than scheduled distance, then again control T-shirt pallet 31 be moved to the position downwards Vertical range between 37 end face of print head is detected as not less than (such as (d) is shown) until scheduled distance.Later, it repeats Movement above is until the terminal location in 31 horizontal displacement to initialized location direction of T-shirt pallet (such as (e) institute Show).

Next start " full width detection " as described above.T-shirt pallet 31 is controlled to printing position of readiness direction water Prosposition moves.Once can be detected by LED sensor 36 on the surface T-shirt32 during T-shirt 31 horizontal displacement of pallet 37 end face of position and print head between vertical range be detected as being less than scheduled distance, then T-shirt pallet 31 is controlled Stop stops horizontal displacement, and to one section of fixed distance of bottom offset.When T-shirt pallet 31 to one section of bottom offset it is fixed away from From rear, if the vertical range between 37 end face of the position and print head is still detected as being less than scheduled distance, continue downward Displacement T-shirt pallet 31 until 37 end face of the position and print head between vertical range be detected as not less than it is scheduled away from From until.Later, movement above is repeated until the terminal in 31 horizontal displacement of T-shirt pallet to printing position of readiness direction Until position (as shown in (f)).In embodiment, after completing " full width detection ", height that T-shirt pallet 31 is finally adjusted to The height that will finally be positioned as T-shirt pallet 31, so that the height of T-shirt32 is also determined on T-shirt pallet 31 Position.

By recited above it is found that when T-shirt pallet 31 is positioned in the height being finally adjusted to, final T- Vertical range between 37 end face of each position on the surface shirt32 and print head is not less than scheduled distance, so as to Avoid when being printed later to T-Shirt32 due to 37 end face of print head it is too close at a distance between T-shirt32 and can The problem of mechanical breakdown caused by energy or mechanical failure.

Also, carrying out the process of height adjustment to T-shirt pallet 31 it is found that when quilt on the surface T-shirt32 according to above-mentioned The distance between position and 37 end face of print head of detection are less than scheduled distance, then T-shirt pallet 31 is to one section of bottom offset Fixed distance (that is, the height at detected position has moved down one section of fixed distance) is primary or multiple, until being detected Position and the distance between 37 end face of print head not less than until scheduled distance (that is, last time is to one Duan Gu of bottom offset After fixed distance, the distance between detected position and 37 end face of print head become from scheduled distance is less than not less than pre- Fixed distance).Therefore, the height of T-shirt pallet 31 is adjusted by progress " full width detection ", last time adjusts The height of T-shirt pallet 31 is by the highest position on the surface T-shirt32 from small with the distance between 37 end face of print head The distance between 37 end face of print head is adjusted to not less than (being equal to or more than) scheduled distance in scheduled distance.Embodiment In, although the height that T-shirt pallet 31 is finally adjusted to not necessarily makes highest position on the surface T-shirt32 and beats Print the distance between 37 end face of head is equal to scheduled distance, but error can be maintained at the fixation once adjusted downwards away from From interior.In embodiment, the distance of above-mentioned fixation is smaller, thus the highest position on the surface T-shirt32 and 37 end face of print head The distance between close to scheduled distance.Thus, it is possible to guarantee the ideal in the height that T-shirt pallet 31 is finally positioned Printing effect.

In above-mentioned implementation, initial detecting position is indicated by vernier 342 by user.Preferably, user will be based on range estimation The highest position on the surface T-shirt32 be designated as initial detecting position.According to above-mentioned height adjustment control process it is found that such as The highest position on the surface T-shirt32 is designated as initial detecting position by fruit, will be reduced subsequent based on " half range detection " and " complete Width detection " carries out the number that downward adjustment of displacement T-shirt pallet 31 is controlled during height adjustment, so that high The adjust automatically control of degree is more rapidly convenient, and then further increases printing effect.But the present invention is not limited thereto.As replacing Generation, it may be predetermined that the initial detecting position on the surface good T-shirt32 is without placing T- by user using vernier 342 It is indicated again after shirt32.For example, can will be at the half among the surface T-shirt32 or T- Certain one end on the surface shirt32 is previously determined to be initial detecting position, starts when user places T-shirt32 and presses printing After key, T-shirt pallet 31 is controlled direct horizontal displacement to initial detecting position and reaches the light of LED sensor 36 just Lower section.

In above-described embodiment, before beginning " half range detection " and " full width detection ", T-shirt pallet 31 is upward by control The distance between initial detecting position and 37 end face of print head is moved to be detected as less than until scheduled distance.In embodiment The reason of control T-shirt pallet 31 shifts up is the T-shirt32 table when T-shirt pallet 31 is located at initial height Between 37 end face of face and print head most short vertical range (that is, the highest position on the surface T-shirt32 and 37 end face of print head it Between vertical range) it is bigger than scheduled distance, in order to carry out subsequent " half range detection " and " full width detection ", it is necessary to control T- Shirt pallet 31 is shifted up to the most short vertical range between 37 end face of the surface T-shirt32 and print head less than scheduled Distance is just feasible.However, if when T-shirt pallet 31 is located at initial height, the surface T-shirt32 and 37 end face of print head it Between most short vertical range be less than scheduled distance, then necessarily shift up T-shirt pallet 31, be also able to carry out " half range Detection " and " full width detection ".

In above-described embodiment, by first carrying out " half range detection ", then to carry out " full width detection " whole to T-shirt32 to realize The detection of vertical range between 37 end face of a surface and print head, and based on the result of detection to T-shirt pallet 31 (or T-shirt32 height) is adjusted control.But the present invention is not limited thereto, any to may be implemented to T-shirt32 whole table The operation detection process for the T-shirt pallet 31 that vertical range between 37 end face of face and print head is detected is included in this In the range of invention.

In view of the foregoing it is apparent that print media height according to the present invention adjustment control method and printing equipment The thought of the height adjustment control of print media is: repeat the load bearing unit level run that control carries print media, And it runs on one side, the vertical range between surface of print media and printing end surface is checked on one side, in above-mentioned operation In detection process, once the vertical range between the somewhere of surface of print media and printing end surface is detected as less than scheduled Distance then controls load bearing unit and stops level run and run down surface of print media and printing end surface until at this Vertical range until vertical range is not less than scheduled distance, between the whole surface and printing end surface of print media It is detected as not less than until scheduled distance.

Therefore, adjusting control method and printing equipment using print media height according to the present invention can be automatically performed The adjustment of the height of print media controls, and for the height that control print media is manually adjusted compared to user, is not only able to save Printing consumables, and the operation of user can be simplified, improve the usage experience and printing effect of user.Also, according to the present invention Print media height adjusts control method and printing equipment based between the whole surface to print media and printing end surface The testing result of vertical range carry out the adjust automatically of print media height, it is thus possible to improve the tune of print media height Whole accuracy.

Although by being described in conjunction with specific embodiments to the present invention, for the ordinary artisan of this field, It will be apparent according to many substitutions, modification and the variation made after mentioned above.Therefore, when such substitution, modification When being fallen into variation within the spirit and scope of appended claims, it should be included in the present invention.

Claims (10)

1. a kind of print media height adjusts control method, control is adjusted for the height to the print media in printing equipment System characterized by comprising
Step a, before starting printing, control carries the load bearing unit level run of print media, and runs one on one side While being detected to the vertical range between surface of print media and printing end surface;
Step b, in above-mentioned operation detection process, once it detects between the somewhere of surface of print media and printing end surface Vertical range is less than scheduled distance, then controls load bearing unit and stop level run and run down the print media until at this The vertical range of surface and printing end surface is not less than until scheduled distance;And
Step c, repeat the above steps a and step b, until print media whole surface and printing end surface between it is vertical away from Until being detected as being not less than with a distance from scheduled.
2. print media height as described in claim 1 adjusts control method, which is characterized in that
Before carrying out above-mentioned operation detection process, the load bearing unit is controlled from initial position level run, until being instructed to Surface of print media initial detecting position and until printing the distance between end surface can be detected, and
It controls the load bearing unit and runs up the vertical range quilt until between the initial detecting position and printing end surface Until being detected as being less than the scheduled distance.
3. print media height as claimed in claim 2 adjusts control method, which is characterized in that
In above-mentioned operation detection process, first controls the load bearing unit and run along a direction in level run direction, until Until the load bearing unit reaches the terminal location on one direction, the load bearing unit is then controlled along level run side To another direction run, until the load bearing unit reach described in until terminal location on another direction.
4. print media height as claimed in claim 2 adjusts control method, which is characterized in that
The initial detecting position, the vernier dress are indicated by user via the vernier device being arranged on the load bearing unit It sets including vernier guide rail and vernier, the initial detecting position is indicated by the vernier mobile on the vernier guide rail, And
The load bearing unit is controlled from initial position level run up to the vernier is detected and then controlled by vernier sensor The load bearing unit level run is made until the distance between the initial detecting position and printing end surface can be detected as Only.
5. print media height as claimed in claim 1 or 2 adjusts control method, which is characterized in that
Detection surface of print media and the vertical range detection unit for printing the vertical range between end surface include LED sensing Device, the LED sensor include LED transmitter and LED reception device, the LED transmitter and LED reception device with level run It is positioned opposite in the vertical horizontal direction in direction.
6. print media height as claimed in claim 4 adjusts control method, which is characterized in that
Detection of the vernier sensor to the vernier is carried out via the calibration unit being arranged on the load bearing unit Calibration.
7. a kind of printing equipment, the height of the print media in the printing equipment can be adjusted control, the printing equipment It include: load bearing unit, for carrying print media, which is characterized in that the printing equipment further include:
Vertical range detection unit, for detecting surface of print media and printing the vertical range between end surface;And
Displacement controller controls the load bearing unit level run for repeating before starting printing, wherein described Load bearing unit is run on one side, and the vertical range between surface of print media and printing end surface is checked on one side, and In above-mentioned operation detection process, once detect that the vertical range between the somewhere of surface of print media and printing end surface is less than Scheduled distance then controls load bearing unit and stops level run and run down surface of print media and print head until at this Until the vertical range of end face is not less than scheduled distance, until hanging down between the whole surface and printing end surface of print media Straight distance is detected as not less than until scheduled distance.
8. printing equipment as claimed in claim 7, which is characterized in that
Before carrying out above-mentioned operation detection process, the displacement controller is for controlling the load bearing unit from initial position water Flat operation, until the distance between the initial detecting position for the surface of print media being instructed to and printing end surface can be detected Until, and control the load bearing unit run up until the initial detecting position and printing end surface between it is vertical away from From be detected as be less than it is described it is scheduled with a distance from until.
9. printing equipment as claimed in claim 8, which is characterized in that
In above-mentioned operation detection process, the displacement controller is for first controlling the load bearing unit along level run direction One direction operation is then held described in control until the terminal location that the load bearing unit reaches on one direction Carrier unit is run along another direction in level run direction, until the load bearing unit reaches the end on another described direction Until end position.
10. printing equipment as claimed in claim 8, which is characterized in that
The vernier device that the initial detecting position is indicated by user is provided on the load bearing unit, the vernier device includes Vernier guide rail and vernier, the user indicate the initial detecting portion by the vernier mobile on the vernier guide rail Position, and
The displacement controller is for controlling the load bearing unit from initial position level run up to the vernier is passed by vernier Sensor detects and then controls the load bearing unit level run until between the initial detecting position and printing end surface Distance can be detected until.
CN201610552975.4A 2016-07-14 2016-07-14 Print media height adjusts control method and printing equipment CN107618276B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257867A (en) * 1991-10-04 1993-11-02 Brother Kogyo Kabushiki Kaisha Printer with print gap control
CN1504343A (en) * 2002-12-03 2004-06-16 铼宝科技股份有限公司 Positioning method of ink jet printing equipment and ink-jet printing head
CN101152801A (en) * 2006-09-30 2008-04-02 赵东林 Ink-jet printing method for concave-convex surface
CN201077192Y (en) * 2007-08-28 2008-06-25 杭州宏华数码科技股份有限公司 Carpet ink-jet decorating machine having thickness detecting apparatus
CN102529448B (en) * 2011-12-15 2016-04-13 江南大学 A kind of flatbed horizontal that prints is calibrated and arrangement for adjusting height
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