WO2011153952A1 - 双面打印机及其控制方法 - Google Patents

双面打印机及其控制方法 Download PDF

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Publication number
WO2011153952A1
WO2011153952A1 PCT/CN2011/075551 CN2011075551W WO2011153952A1 WO 2011153952 A1 WO2011153952 A1 WO 2011153952A1 CN 2011075551 W CN2011075551 W CN 2011075551W WO 2011153952 A1 WO2011153952 A1 WO 2011153952A1
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WO
WIPO (PCT)
Prior art keywords
print head
frame
printing
platen portion
disposed
Prior art date
Application number
PCT/CN2011/075551
Other languages
English (en)
French (fr)
Inventor
丛强滋
高涛
姜天信
王春涛
杨民
Original Assignee
山东新北洋信息技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 山东新北洋信息技术股份有限公司 filed Critical 山东新北洋信息技术股份有限公司
Publication of WO2011153952A1 publication Critical patent/WO2011153952A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements

Definitions

  • FIG. 1 is a schematic view of a double-sided printer according to the related art.
  • the double-sided printing machine of the related art includes a first print head 150 and a first platen 170 supported on the first arm 130, and a first print head 150 supported on the second arm 140.
  • the second platen 180 and the second printhead 160 opposite the first platen 170.
  • the thermal paper 10 having a heat-sensitive coating on both sides is passed between the first print head 150 and the second platen 180, between the second print head 160 and the first platen 170 in the paper conveying direction, A print head 150 is opposed to the front surface 3 of the thermal paper 10, and the second print head 160 is opposed to the reverse side 4 of the thermal paper 10, and is thermally sensitive when the first print head 150 and the second print head 160 are respectively controlled to generate heat.
  • the set image or text is printed on the front and back of the paper 10.
  • the problem with such a duplex printer is that the two printheads are pressed against the opposite platen, so that when only one printhead is required to print one side of the thermal paper, there is no need to work between the printhead and the thermal paper.
  • the pressure not only causes unnecessary wear on the printhead, but also increases the load on the paper transport.
  • an effective solution has not been proposed yet.
  • SUMMARY OF THE INVENTION The present invention has been made in view of the problem that the print head wear of a double-sided printer is relatively serious.
  • a double-sided printer is provided.
  • the double-sided printer includes: a first printing assembly, comprising: a first printing head; a second platen portion disposed opposite to the first printing head, the second printing assembly comprising: a second printing head; a first platen portion, Opposite to the second printhead, a lifting mechanism is used to separate the printhead and the platen in the inoperative printing assembly during printing. Further, the double-sided printer further includes a frame, wherein the print head and the platen portion are both disposed on the frame, and the lifting mechanism is disposed between the print head and the frame and/or between the platen portion and the frame.
  • the frame may include: a first frame; a second frame, cooperated with the first frame; wherein the first print head and the first platen portion are disposed on the first frame, the second print head and the second pressure The paper portion is disposed on the second frame, and the lifting mechanism is disposed between the print head and/or the platen portion and the frame.
  • the frame may include: a fixed frame; a first movable frame pivotally connected to the fixed frame via a rotating shaft; and a second movable frame pivotally connected to the fixed frame via the rotating shaft; wherein the first print head is disposed at the first On a movable frame, the first platen portion is disposed on the second movable frame, and the second print head and the second platen portion are disposed on the fixed frame.
  • a combination of one or any of a plurality of print heads and a platen portion is movably disposed on the frame such that the print head and the platen portion have a mated state and a separated state, wherein the print head includes the first print The head and the second print head, the platen portion includes a first platen portion and a second platen portion.
  • the lifting mechanism further includes: a first adjusting member movably disposed on the frame and connected to the print head to have the first position and the second position of the print head, wherein, in the first position, the print head In a second position, the print head is in a separated state from the corresponding platen portion; the first driving member is disposed on the frame and connected to the first adjusting member.
  • the double-sided printer further includes: an elastic member disposed between the print head and the frame to provide a pre-tightening force between the heat generating surface of the printing head and the pressing portion; the bracket being connected to the first adjusting member;
  • the shaft is disposed on the frame and supports the bracket.
  • the print head is fixed on the bracket, and the first adjusting member rotates the print head around the support shaft via the bracket to separate the print head from the platen portion.
  • the first driving member includes a motor or a wrench, wherein, in the case that the first driving member is a motor, the double-sided printer further includes a control device, and the control device is connected to the first driving member for receiving the double After the print command of the printer, control the corresponding drive to start.
  • the lifting mechanism includes: a second adjusting member movably disposed on the frame and connected to the pressing portion to have a matching state and a separated state of the printing head and the pressing portion, and the second driving member is disposed on the second driving member On the frame, the second adjusting member is connected to the second driving member.
  • the second driving member includes a motor or a wrench, wherein, in the case that the second driving member is a motor, the double-sided printer further includes a control device, and the control device is connected to the second driving member for receiving the double After the print command of the printer, control the corresponding drive to start.
  • a method of controlling a double-sided printer includes: the control device receives the print command of the duplex printer; and after the control device determines that the print command is the one-sided print command, the print head and the platen portion that do not need to perform the print operation are controlled to be in a separated state.
  • the non-working print head and the opposite paper-pressing portion are separated by the lifting mechanism, so that the inoperative print head and its opposite paper are pressed.
  • the force between the parts is not solved, which solves the problem that the print head of the double-sided printer is worn more seriously, thereby achieving the effect of improving the life of the print head of the double-sided printer.
  • FIG. 1 is a schematic view of a double-sided printer according to the related art
  • FIG. 2a is a schematic view of a double-sided printer according to a first embodiment of the present invention, in which the first adjusting member and the second adjusting member are both located at the first
  • Figure 2b is a schematic view of a double-sided printer according to a first embodiment of the present invention, in which the first adjustment member is in a first position and the second adjustment member is in a second position
  • Figure 2c is a double in accordance with a first embodiment of the present invention
  • FIG. 3 is a schematic view of a double-sided printer according to a second embodiment of the present invention
  • FIG. 4 is a third embodiment of the present invention.
  • Figure 5a is a schematic view of a double-sided printer according to a fourth embodiment of the present invention, in which the first adjustment member and the second adjustment member are both in the first position;
  • Figure 5b is a fourth embodiment in accordance with the present invention.
  • FIG. 5c is an illustration of the duplex printer according to the fourth embodiment of the present invention.
  • Figure 6a is a schematic view of a double-sided printer according to a fifth embodiment of the present invention
  • Figure 6b is a schematic view of a double-sided printer according to a sixth embodiment of the present invention
  • Figure 7 is a seventh embodiment of the present invention
  • Figure 2a is a schematic illustration of a two-sided printer in accordance with a first embodiment of the present invention, with the first adjustment member and the second adjustment member both in a first position.
  • the double-sided printer comprises: a first printing component for printing on a first side of a printing medium, the first printing component comprising: a first printing head 111; a second platen 22, and A print head 111 is oppositely disposed, and a second printing component is configured to print on a second side of the print medium, the second print component comprises: a second print head 121; a first platen portion 21, and a second print head 121 oppositely disposed, a lifting mechanism for separating the print head and the platen portion in the inoperative printing assembly during the printing process, wherein when only printing on the first side of the printing medium, the second The print head 121 and the first platen portion 21 do not need to be operated.
  • the second print head 121 and the first platen portion 21 that are not in operation are separated by the lifting mechanism during printing; when only printing is required
  • the first print head 111 and the second platen portion 22 do not need to be operated.
  • the first print head 111 and the second platen portion that are not in operation are lifted by the lifting mechanism during printing. 22 is in a separated state.
  • the printing head and the platen portion in the inoperative printing component can be made by the lifting mechanism described above. Separated state.
  • the printing head and the platen portion of the two printing assemblies can be separated by the lifting mechanism.
  • the double-sided printing machine described above performs single-sided printing
  • the printing head and the platen portion in the printing assembly can be separated by setting the lifting mechanism, and when printing on one side, that is, a certain printing assembly does not work, that is, When the printing is not performed, the non-working print head is separated from the opposite paper pressing portion by the lifting mechanism, so that the non-working print head and the opposite paper pressing portion are free from force, thereby reducing paper-to-printing. Head wear and paper transport loads, which in turn reduce unnecessary wear on the printhead and platen.
  • the paper pressing portion, the second platen portion 22, and/or the first platen portion 21, or the printing support portion may be a rotating platen roller, or may be a stationary pad or the like.
  • the print head and the platen portion may be disposed on the frame, and the lifting mechanism may be disposed between the print head and the frame and/or between the platen portion and the frame.
  • the frame may comprise a plurality of parts, and the parts may be movably connected, and the print head and the platen may be disposed on the same part of the frame or on different parts of the frame.
  • Figure 2a shows the case where the frame comprises two parts. As shown in FIG.
  • the double-sided printer further includes a first frame 100 and a second frame 200, wherein the first frame 100 and the second frame 200 are relatively matched, and preferably, the first frame 100 can pass through the rotating shaft 300 and the second frame.
  • the 200-phase hinge or pivot can be opened or closed relative to the second frame 200.
  • the roll paper P can be It is a double-sided thermal paper having a heat-sensitive surface on both the front side P 1 and the back side P2, and may be a single-sided thermal paper having a heat-sensitive layer on only one side.
  • the first printing assembly described above may include a first printhead assembly and a second platen portion 22, and the second print assembly may include a second printhead assembly and a first platen portion 21.
  • the first printhead assembly and the first platen portion 21 are disposed on the first frame 100, and the second printhead assembly and the second platen portion 22 are disposed on the second frame 200, wherein the first printhead assembly and the second The platen portion 22 is relatively mated, and the second print head assembly and the first/Kelly 21 mesh are used.
  • the first printhead assembly includes a first printhead 111, a first shaft 112, and a first resilient element 114.
  • the first shaft 112 is disposed on the body of the first frame 100, supports the first printhead 111, and allows the first printhead 111 to be rotatable about the first axis 112.
  • the first elastic member 114 is located between the first print head 111 and the main body of the first frame 100, and dances the heat generating surface 4 of the first print head 111 toward the second platen portion 22 with a certain preload.
  • the second printhead assembly includes a second printhead 121, a second shaft 122, and a second resilient member 124.
  • the second shaft 122 is disposed on the main body of the second frame 200, supports the second print head 121, and allows the second print head 121 to be rotatable about the second shaft 122.
  • the second elastic member 124 is located between the second print head 121 and the main body of the second frame 200, and pushes the heat generating surface of the second print head 121 toward the first platen portion 21 with a certain preload force.
  • the first lifting mechanism is disposed on the first frame 100 and includes a first driving member 311 and a first adjusting member 312.
  • the first driving member 311 is fixed on the main body of the first frame 100, and the first adjusting member 312 is fixedly connected to the driving shaft of the first driving member 311.
  • the first adjusting member 312 and the branch of the first print head 111 The frame 113 is connected, and the relative position between the first print head 111 and the second platen portion 22 can be changed.
  • the second lifting mechanism is disposed on the second frame 200 and includes a second driving member 321 and a second adjusting member 322.
  • the second driving member 321 is fixed on the main body of the second frame 200, and the second adjusting member 322 is fixedly connected to the driving shaft of the second driving member 321.
  • the second adjustment member 322 is coupled to the holder 123 of the second print head 121, and the relative position between the second print head 121 and the first platen portion 21 can be changed.
  • the second driving member 321 drives the second adjusting member 322 to rotate to the first position
  • the second printing head 121 is located in the working position pressed with the first platen portion 21 under the elastic force of the first elastic member 124;
  • the driving member 321 drives the second adjusting member 322 to rotate to the second position
  • the second printing head 121 is located at an inoperative position separated from the first platen portion 21 against the elastic force of the second elastic member 124.
  • the first driving member 311 and the second driving member 321 may be electrical components such as a motor or a manual wrench.
  • the double-sided printer further includes a control device electrically connected to the first driving member 311 and the second driving member 321 and controlled by the command received by the printer.
  • the first adjustment member 312 and the second adjustment member 322 act.
  • the operator can manually adjust the first adjusting member 312 and the second adjusting member 322 to the set positions as needed.
  • the first adjusting member 312 and the second adjusting member 322 may be cams, eccentric wheels or pressing rods, respectively driven by the first driving member 311 and the second driving member 321 and have a first position for changing the positional relationship between the printing head and the platen portion. And the second position.
  • the first adjusting member 312 and the second adjusting member 322 are cams.
  • one of the first printing component and the second printing component is a contact printing component or both are contact printing components, and the contact printing component is printed in a non-printing state or in a contact state. Component. Since the print head and the platen portion tend to cause wear of the print head when in contact, the present invention can solve the problem well.
  • Common contact printing assemblies include thermal printing components (including thermal printheads and platen rollers), thermal transfer printing components, and the like.
  • the working principle of the present invention will be briefly described by taking the first driving member 311 and the second driving member 321 as motors, and the printing assembly including the thermal printing assembly as an example. As shown in Fig.
  • the double-sided thermal paper is pulled out from the paper magazine, and is passed between the first print head 111 and the second platen portion 22, and between the second print head 121 and the first platen portion 21, respectively.
  • the first platen portion 21 and the second platen portion 22 are both platen rollers.
  • the first adjusting member 312 and the second adjusting member 322 are both located at the first position, and therefore, the thermal paper front surface P1 is pressed by the second pressing portion 22 Squeezed to the heat generating surface of the first print head 111, the thermal paper back surface P2 is pressed by the first platen portion 21 to the heat generating surface of the second print head 121, and is thermally sensitive when the first print head 111 is controlled to generate heat.
  • the front side P1 of the paper prints the set image and characters; when the second print head 121 is controlled to generate heat, the set image and characters are printed on the back side P2 of the thermal paper.
  • the control device When the control device receives the one-sided print command printed on one side of the thermal paper, the first adjustment member 312 or the second adjustment member 322 is controlled to rotate according to the printing surface, so that one of the two print heads is separated from the opposite platen portion. .
  • the control device controls the rotation of the second driving member 321 to rotate the second adjusting member 322 to the second position, thereby enabling the second printing that does not require work.
  • the head 121 is separated from the first platen portion 21, and the thermal paper front surface P1 is pressed by the second platen portion 22 to the heat generating surface of the first print head 111, and is thermally sensitive when the first print head 111 is controlled to generate heat.
  • the front side of the paper P1 prints the set image and text.
  • the control device controls the rotation of the first driving member 311 to rotate the first adjusting member 312 to the first position, thereby making the first printing that does not require work.
  • the head 111 and the second platen portion 22 are separated, and the thermal paper back surface P2 is pressed by the first platen portion 21 to the heat generating surface of the second print head 121, and when the second print head 121 is controlled to generate heat, the heat is applied.
  • the back side of the paper P2 prints the set image and text.
  • the print head that does not need to work is separated from its opposite platen when printing on one side, there is no force between the print head and the thermal paper, so that the load on the print head and the paper conveyance can be reduced.
  • the combination of one or any one of the above-mentioned print head and the platen portion is movably disposed on the frame such that the print head and the platen portion have a mated state and a separated state, wherein the print head includes the first
  • the print head 111 and the second print head 121 include a first platen portion 21 and a second platen portion 22.
  • a set of lifting mechanisms may be provided in connection with one of the first printhead or the second printhead.
  • Figure 3 shows the lifting mechanism and In the case where the second print heads 121 are connected, the duplex printer can realize the function of double-sided printing on thermal paper and printing only on the front side of thermal paper.
  • Figure 4 illustrates the case where the lifting mechanism is coupled to the first printhead 111. Therefore, the duplex printer can realize duplex printing on thermal paper and printing on the back of thermal paper only.
  • Figure 5a is a schematic view of a double-sided printer according to a fourth embodiment of the present invention.
  • the lifting mechanism is connected to the platen portion for driving the paper separation portion and the print head to be separated.
  • the first lifting mechanism is disposed on the second frame 200 and includes a first driving member 411 and a first adjusting member 412.
  • the first driving member 411 is fixedly connected to the first driving member 411
  • the first adjusting member 412 is fixedly connected to the second pressing portion 22 to change the second.
  • the second lifting mechanism is disposed on the first frame 100 and includes a second driving member 421 and a second adjusting member 422.
  • the second driving member 421 is fixedly connected to the main body of the first frame 100
  • the second adjusting member 422 is fixedly connected to the second driving member 421
  • the second adjusting member 422 is fixedly connected to the first pressing portion 21, and the first pressing can be changed.
  • the first pressing portion 21 is located at the working position pressed with the second printing head 121; when the second driving member 421 drives the second adjusting member 422 When rotated to the second position, the first platen portion 21 rotates away from the second print head 121 and is located at an inoperative position separated from the second print head 121.
  • the first driving member 411 and the second driving member 421 may be electrical components such as a motor, an electromagnet, or a manual wrench.
  • the double-sided printer further includes a control device electrically connected to the first driving member 411 and the second driving member 421, and is controlled by the command received by the printer.
  • the first adjustment member 412 and the second adjustment member 422 operate.
  • the operator can manually adjust the first adjusting member 412 and the second adjusting member 422 to the set positions as needed.
  • the first adjusting member 412 and the second adjusting member 422 may be swing arms. As shown in FIG.
  • the first driving member 411 and the second driving member 421 respectively drive the first adjusting member 412 and the second adjusting member 422 to be in the first position, and therefore, the thermal paper front surface P1 Pressed by the second platen portion 22 to the heat generating surface of the first print head 111, the thermal paper back surface P2 is pressed by the first platen portion 21 to the heat generating surface of the second print head 121, when the first print head 111 is subjected to
  • the set image and characters are printed on the front surface P 1 of the thermal paper; when the second print head 121 is controlled to generate heat, the set image and characters are printed on the back surface P2 of the thermal paper.
  • the second driving member 421 of the second lifting mechanism drives the second adjusting member 422 to rotate, so that the first pressing opposite to the second printing head 121
  • the paper portion 21 is rotated away from the second print head 121 to position the first platen portion 21 in the inoperative position, so that the non-operating second print head 121 and the thermal paper or the first platen portion 21 are not disposed. Force. As shown in FIG.
  • FIG. 5c when only printing on the thermal paper back side P2 is required, the first driving member 411 of the first lifting mechanism drives the first adjusting member 412 to rotate, so that the second pressing paper opposite to the first printing head 111 The portion 22 rotates away from the first print head 111 to position the second platen portion 22 in the inoperative position, thereby preventing the inoperative first print head 111 from being in contact with the thermal paper or the second platen portion 22. force.
  • Figure 6a is a schematic view of a double-sided printer according to a fifth embodiment of the present invention, showing a case where the frame includes three portions.
  • the 411 frame of the duplex printer may include a first movable 411 frame 101, a second movable frame 102, and a fixed frame 200, wherein the first movable frame 101 and the second movable frame 102 Both of them are pivotally connected to the fixed frame 200 through the rotating shaft 300, and can be opened and closed with respect to the fixed frame 200.
  • the first print head assembly including the first print head 111) and the first lifting mechanism are disposed on the first movable frame 101
  • the first platen portion 21 and the second lifting mechanism are disposed on the second movable body 411.
  • a second printhead assembly including the second printhead 121) and a second platen portion 22 are disposed on the fixed frame 200.
  • the first lifting mechanism or the second lifting mechanism can adjust the positional relationship of the first print head 111 or the first platen portion 21 with respect to the frame as needed, thereby working in one of the first print head 111 and the second print head 121. In the case where the other is not working, the inoperative print head and its opposite platen are separated.
  • FIG. 6b is a schematic illustration of a duplex printer in accordance with a seventh embodiment of the present invention.
  • the first printing component is a contact printing component, such as a thermal printing component
  • the second printing component is a non-contact printing component, such as a pin, inkjet or laser printing component
  • the double-sided printer is only provided with the first lifting mechanism, and is connected to the first printing assembly, so that the printing head and the platen portion in the first printing assembly are in a separated state in the case where the first printing assembly is not in operation. Since the first printing assembly and the first lifting mechanism are the same as the first embodiment, they are not described herein again.
  • the second printing assembly embodiment will be described below with reference to FIG. 7.
  • the second printing component is a pin printing component.
  • the second print assembly includes a second printhead assembly and a backing plate 24, wherein the second printhead assembly includes a pin printhead 131, a guide shaft 132, and an ink ribbon cartridge 133.
  • the printing end surface 131a of the dot print head 131 is opposed to the backing plate 24 with a set distance therebetween.
  • the guide shaft 132 is parallel to the backing plate 24 and is fixed to the main body of the second frame 200.
  • the support frame 131b of the needle print head 131 passes through the guide shaft 132 and can reciprocate along the length of the backing plate 24.
  • the ink ribbon in the ink ribbon cassette 133 is overlaid on the printing end surface 131a of the needle print head 131, and the printing medium passes between the ink ribbon and the backing plate 24.
  • the print pin of the pin print head 131 strikes the ink onto the print medium to form an image and text.
  • the first driving member 311 drives the first adjusting member 312 to rotate in the first position, and the first printing head 111 is located under the elastic force of the first elastic member 114 to be pressed against the second platen portion 22.
  • the working position when the first driving member 311 drives the first adjusting member 312 to rotate to the second position, the first printing head 111 is located against the first elastic member 114 and the second pressing portion 22 Separate non-working position.
  • the second printing component is a non-thermal printing component
  • the set distance between the printing head and the pad of the second printing component is maintained, even if the second printing component does not work, between the printing head and the medium. Since there is no pressure and no friction is generated, it is only necessary to provide a first lifting mechanism to separate the first printing head 111 from the second platen portion 22 when not working, thereby reducing paper-to-print head wear and paper.
  • the load delivered while this embodiment also contributes to cost savings.
  • the first lifting mechanism can also adopt the technical solution provided by the fourth embodiment of the present invention. According to an embodiment of the present invention, a method of controlling a double-sided printer is also provided.
  • the control method can be implemented based on the above-described double-sided printer, but is not limited to being implemented on the above-described double-sided printer.
  • the control method of the double-sided printer includes the following steps: The control device receives a print instruction of the duplex printer. Among them, the print command may be a double-sided print command, or may be a single-sided print command. After the control device determines that the print command is a one-sided print command, it controls the print head and the platen portion that do not need to perform the print operation to be in a separated state.
  • the driving member drives the paper pressing portion opposite to the non-working printing head in an inoperative position, that is, the inoperative printing head and the platen portion are separated, thereby making the inoperative printing head and the heat sensitive.
  • the double-sided thermal printer of the present invention can flexibly switch the single-sided or double-sided printing function, and can reduce the load on the printing head and the paper conveying load when printing on one side, thereby improving The life of the printhead.

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双面打印枳 其控制方法 技术领域 本发明涉及一种双面打印机及其控制方法。 背景技术 图 1是才艮据相关技术的双面打印机的示意图。 如图 1所示, 相关技术中的双面打印机包括支撑在第一臂 130上的第一打 印头 150和第一压盘 170, 和支撑在第二臂 140上的与第一打印头 150相对的 第二压盘 180和与第一压盘 170相对的第二打印头 160。 双面均设有热敏涂层 的热敏纸 10沿纸张输送方向从第一打印头 150和第二压盘 180之间、 第二打 印头 160和第一压盘 170之间穿过, 第一打印头 150与热敏纸 10的正面 3相 对, 第二打印头 160与热敏纸 10的反面 4相对, 当第一打印头 150和第二打 印头 160分别受控发热时, 在热敏纸 10的正反面打印出设定的图像或文字。 这种双面打印机的问题在于, 两个打印头一直压靠相对的压盘, 因此, 当仅需 要使用一个打印头打印热敏纸的一面时, 不需要工作的打印头与热敏纸之间的 压力不仅给打印头带来了不必要的磨损, 而且增加了纸张输送的负载。 针对相关技术中双面打印机的打印头磨损比较严重的问题, 目前尚未提出 有效的解决方案。 发明内容 针对双面打印机的打印头磨损比较严重的问题而提出本发明, 为此, 本发 明的主要目的在于提供一种双面打印机及其控制方法, 以解决上述问题。 为了实现上述目的, 根据本发明的一个方面, 提供了一种双面打印机。 该 双面打印机包括: 第一打印组件, 包括: 第一打印头; 第二压纸部, 与第一打 印头相对设置, 第二打印组件, 包括: 第二打印头; 第一压纸部, 与第二打印 头相对设置, 抬起机构, 用于在打印过程中, 使不工作的打印组件中的打印头 和压纸部处于分离状态。 进一步地, 上述双面打印机还包括框架, 其中, 打印头和压纸部均设置于 框架上, 抬起机构设置于打印头与框架之间和 /或压纸部与框架之间。 进一步地, 上述框架可以包括: 第一框架; 第二框架, 与第一框架相配合; 其中, 第一打印头和第一压纸部设置于第一框架上, 第二打印头和第二压纸部 设置于第二框架上, 抬起机构设置于打印头和 /或压纸部与框架之间。 进一步地, 上述框架可以包括: 固定框架; 第一可动框架, 经由转轴与固 定框架相枢接; 第二可动框架, 经由转轴与固定框架相枢接; 其中, 第一打印 头设置于第一可动框架上, 第一压纸部设置于第二可动框架上, 第二打印头和 第二压纸部设置于固定框架上。 进一步地, 打印头和压纸部中的一个或任意多个的组合可活动地设置于^ I 架上以使打印头和压纸部具有配合状态和分离状态, 其中, 打印头包括第一打 印头和第二打印头, 压纸部包括第一压纸部和第二压纸部。 进一步地, 上述抬起机构还包括: 第一调节件, 可活动地设置于框架上并 与打印头相连接以使打印头具有第一位置和第二位置, 其中, 在第一位置, 打 印头与相对应的压纸部处于配合状态, 在第二位置, 打印头与相对应的压纸部 处于分离状态; 第一驱动件, 设置于框架上, 与第一调节件相连接。 进一步地, 上述双面打印机还包括: 弹性元件,设置于打印头和框架之间, 提供打印头的发热面和压纸部之间的预紧力; 支架, 与第一调节件相连接; 支 撑轴, 设置于框架上, 支撑支架, 其中, 打印头固定于支架上, 第一调节件经 由支架使打印头绕支撑轴转动, 以使打印头与压纸部具有分离状态。 进一步地, 第一驱动件包括电机或扳手, 其中, 在第一驱动件为电机的情 况下, 双面打印机还包括控制装置, 该控制装置与第一驱动件相连接, 用于在 接收到双面打印机的打印指令之后, 控制相应的驱动件启动。 进一步地, 上述抬起机构包括: 第二调节件, 可活动地设置于框架上并与 压纸部相连接以使打印头与压纸部具有配合状态和分离状态, 第二驱动件, 设 置于框架上, 其中, 第二调节件与第二驱动件相连接。 进一步地, 第二驱动件包括电机或扳手, 其中, 在第二驱动件为电机的情 况下, 双面打印机还包括控制装置, 该控制装置与第二驱动件相连接, 用于在 接收到双面打印机的打印指令之后, 控制相应的驱动件启动。 进一步地, 第二调节件与压纸部的芯轴相连接, 第二驱动件与第二调节件 连接, 驱动压纸部旋转以使压纸部和打印头具有配合状态和分离状态。 为了实现上述目的, 居本发明的另一个方面, 提供了一种双面打印机的 控制方法。 该双面打印机的控制方法包括: 控制装置接收双面打印机的打印指 令; 控制装置判断出打印指令为单面打印指令之后, 控制不需要执行打印操作 的打印头和压纸部处于分离状态。 通过本发明, 釆用上述的双面打印机或者双面打印机的控制方法, 通过抬 起机构使不工作的打印头和其相对的压纸部分离, 使不工作的打印头和其相对 的压纸部之间不受力, 解决了双面打印机的打印头磨损比较严重的问题, 进而 达到了提高双面打印机的打印头寿命的效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不 当限定。 在附图中: 图 1是根据相关技术的双面打印机的示意图; 图 2a是根据本发明第一实施例的双面打印机的示意图, 图中第一调节件 和第二调节件均位于第一位置; 图 2b 是根据本发明第一实施例的双面打印机的示意图, 图中第一调节件 第一位置, 第二调节件位于第二位置; 图 2c 是根据本发明第一实施例的双面打印机的示意图, 图中第一调节件 第二位置, 第二调节件位于第一位置; 图 3是根据本发明第二实施例的双面打印机的示意图; 图 4是根据本发明第三实施例的双面打印机的示意图; 图 5a是根据本发明第四实施例的双面打印机的示意图, 图中第一调节件 和第二调节件均位于第一位置; 图 5b 是根据本发明第四实施例的双面打印机的示意图, 图中第一调节件 位于第一位置, 第二调节件位于第二位置; 图 5c 是根据本发明第四实施例的双面打印机的示意图, 图中第一调节件 位于第二位置, 第二调节件位于第一位置。 图 6a是才艮据本发明第五实施例的双面打印机的示意图; 图 6b是才艮据本发明第六实施例的双面打印机的示意图; 以及 图 7是根据本发明第七实施例的双面打印机的示意图。 具体实施方式 需要说明的是, 在不冲突的情况下, 本申请中的实施例及实施例中的特征 可以相互组合。 下面将参考附图并结合实施例来详细说明本发明。 根据本发明的实施例, 提供了一种双面打印机及其控制方法。 图 2a是根据本发明第一实施例的双面打印机的示意图, 图中第一调节件 和第二调节件均位于第一位置。 如图 2a所示, 该双面打印机包括: 第一打印组件, 用于在打印介质的第 一面打印, 该第一打印组件包括: 第一打印头 111 ; 第二压纸部 22 , 与第一打 印头 111相对设置, 第二打印组件, 用于在所述打印介质的第二面打印, 该第 二打印组件包括: 第二打印头 121 ; 第一压纸部 21 , 与第二打印头 121相对设 置, 抬起机构, 用于在打印过程中, 使不工作的打印组件中的打印头和压纸部 处于分离状态, 其中, 当仅需在打印介质的第一面打印时, 第二打印头 121和 第一压纸部 21 不需要工作, 此时, 在打印过程中通过抬起机构使不工作的第 二打印头 121和第一压纸部 21处于分离状态; 当仅需在打印介质的第二面打 印时, 第一打印头 111和第二压纸部 22不需要工作, 此时, 在打印过程中通过 抬起机构使不工作的第一打印头 111和第二压纸部 22处于分离状态。 在打印过程中, 在第一打印组件和第二打印组件中一个工作, 另一个不工 作的情况下, 通过上述的抬起机构, 能够使得不工作的打印组件中的打印头和 压纸部处于分离状态。 而且在待机或者断电的情况下, 即, 两个打印组件均不 工作时, 也可以通过抬起机构使得两个打印组件中的打印头和压纸部均处于分 离 态。 在上述的双面打印机执行单面打印时, 通过设置抬起机构, 使得打印组件 中的打印头和压纸部能够相分离, 当单面打印时, 即, 某个打印组件在不工作, 即, 不执行打印时, 通过抬起机构使不工作的打印头和其相对的压纸部分离, 从而使不工作的打印头和其相对的压纸部之间不受力, 以减少纸张对打印头磨 损及纸张输送的负载, 进而减少打印头和压纸部不必要的磨损。 其中, 上述的压纸部, 第二压纸部 22和 /或第一压纸部 21 , 或者称作打印 支撑部, 可以是转动的压纸辊, 也可以为固定不动的垫板等。 上述打印头和压纸部可以设置于框架上, 抬起机构可以设置于打印头与框 架之间和 /或压纸部与框架之间。 其中, 框架可以包括多个部分, 各个部分之间 可以是活动连接的, 打印头和压纸部可以设置在该框架的同一个部分上, 也可 以设置在该框架的不同部分上。 图 2a示出了框架包括两个部分的情况。 如图 2a所示, 双面打印机还包括第一框架 100和第二框架 200 , 其中, 第 一框架 100和第二框架 200相对配合,优选地,第一框架 100可以通过转轴 300 与第二框架 200相铰接或枢接, 可以相对第二框架 200打开或闭合。 当第一框 架 100相对于第二框架 200打开时, 形成于第二框架 200内的纸仓顶部敞开, 可以更换打印用的卷纸 P , 在双面打印机为热敏打印机时, 卷纸 P可以是正面 P 1和背面 P2均具有热敏表面的双面热敏纸, 也可以是仅有一面具有热敏层的 单面热敏纸。 上述的第一打印组件可以包括第一打印头组件和第二压纸部 22 ,第二打印 组件可以包括第二打印头组件和第一压纸部 21。第一打印头组件和第一压纸部 21设置在第一框架 100上, 第二打印头组件和第二压纸部 22设置在第二框架 200上, 其中, 第一打印头组件和第二压纸部 22相对配合, 第二打印头组件和 第一/ £氏 21 目 5?于 S己 。 具体地, 第一打印头组件包括第一打印头 111、 第一轴 112和第一弹性元 件 114。 第一轴 112设置在第一框架 100的主体上, 支撑第一打印头 111 , 并允 许第一打印头 111可以绕第一轴 112转动。 第一弹性元件 114位于第一打印头 111和第一框架 100的主体之间, 以一定的预紧力将第一打印头 111 的发热面 4舞向第二压纸部 22。 第二打印头组件包第二打印头 121、 第二轴 122和第二弹性元件 124。 第 二轴 122设置在第二框架 200的主体上, 支撑第二打印头 121 , 并允许第二打 印头 121可以绕第二轴 122转动。 第二弹性元件 124位于第二打印头 121和第 二框架 200的主体之间, 以一定的预紧力将第二打印头 121的发热面推向第一 压纸部 21。 第一抬起机构设置在第一框架 100上, 包括第一驱动件 311和第一调节件 312。 其中, 第一驱动件 311 固定在第一^ I架 100的主体上, 第一调节件 312 与第一驱动件 311的驱动轴固定连接。 第一调节件 312与第一打印头 111的支 架 113连接, 可以改变第一打印头 111与第二压纸部 22之间的相对位置。 当第 一驱动件 311驱动第一调节件 312旋转位于第一位置时, 第一打印头 111在第 一弹性元件 114弹力作用下位于与第二压纸部 22压紧的工作位置; 当第一驱 动件 311驱动第一调节件 312旋转至第二位置时, 第一打印头 111克服第一弹 性元件 114弹力位于与第二压纸部 22分离的非工作位置。 第二抬起机构设置在第二框架 200上, 包括第二驱动件 321和第二调节件 322。 其中, 第二驱动件 321 固定在第二框架 200的主体上, 第二调节件 322 与第二驱动件 321的驱动轴固定连接。 第二调节件 322与第二打印头 121的支 架 123连接, 可以改变第二打印头 121与第一压纸部 21之间的相对位置。 当 第二驱动件 321驱动第二调节件 322旋转至第一位置时, 第二打印头 121在第 一弹性元件 124弹力作用下位于与第一压纸部 21压紧的工作位置; 当第二驱 动件 321驱动第二调节件 322旋转至第二位置时, 第二打印头 121克服第二弹 性元件 124弹力位于与第一压纸部 21分离的非工作位置。 需要说明的是, 第一驱动件 311、 第二驱动件 321可以是电器元件, 如电 机, 也可以是手动扳手。 当第一驱动件 311、 第二驱动件 321是电器元件时, 双面打印机还包括控制装置, 该控制装置与第一驱动件 311和第二驱动件 321 电连接,通过打印机接收到的指令控制第一调节件 312和第二调节件 322动作。 当第一驱动件 311、 第二驱动件 321是手动扳手时, 操作者可以根据需要手动 调节第一调节件 312和第二调节件 322至设定的位置。 第一调节件 312、 第二 调节件 322可以是凸轮、 偏心轮或压杆, 分别由第一驱动件 311、 第二驱动件 321 驱动, 具有改变打印头和压纸部位置关系的第一位置和第二位置。 本实施 例中, 第一调节件 312和第二调节件 322为凸轮。 在本发明中, 优选地, 第一打印组件和第二打印组件中之一为接触式打印 组件或均为接触式打印组件, 接触式打印组件为在非打印状态时存在或处于接 触状态的打印组件。 由于打印头和压纸部在接触时往往会造成打印头的磨损, 而本发明, 能够很好地解决该问题。 常见的接触式打印组件包括热敏打印组件 (包括热敏打印头和压纸辊)、 热转印打印组件等。 下面以第一驱动件 311和第二驱动件 321为电机、 以及打印组件包括热敏 打印组件为例, 简单介绍本发明的工作原理。 如图 2a所示, 双面热敏纸由纸仓被拉出, 分别从第一打印头 111和第二压 纸部 22之间、 第二打印头 121和第一压纸部 21之间穿过, 经出口 出打印机 夕卜, 其中, 第一压纸部 21和第二压纸部 22均为压纸辊。 当控制装置接收到在 热敏纸正反面打印的双面打印指令时, 第一调节件 312和第二调节件 322均位 于第一位置, 因此, 热敏纸正面 P1被第二压纸部 22挤压到第一打印头 111的 发热表面,热敏纸背面 P2被第一压纸部 21挤压到第二打印头 121的发热表面, 当第一打印头 111 受控发热时, 在热敏纸的正面 P1打印设定的图像和文字; 当第二打印头 121受控发热时, 在热敏纸的背面 P2打印设定的图像和文字。 当控制装置接收到在热敏纸一面打印的单面打印指令时, 根据打印面控制 第一调节件 312或第二调节件 322旋转, 使两个打印头中的一个与其相对的压 纸部分离。 比如, 如图 2b 所示, 当仅需要在热敏纸正面打印时, 控制装置控制第二 驱动件 321旋转, 使第二调节件 322旋转至第二位置, 从而使不需要工作的第 二打印头 121和第一压纸部 21分离, 而热敏纸正面 P1被第二压纸部 22挤压 到第一打印头 111的发热表面, 当第一打印头 111受控发热时, 在热敏纸的正 面 P1打印设定的图像和文字。 比如, 如图 2c 所示, 当仅需要在热敏纸背面打印时, 控制装置控制第一 驱动件 311旋转, 使第一调节件 312旋转至第一位置, 从而使不需要工作的第 一打印头 111和第二压纸部 22分离, 而热敏纸背面 P2被第一压纸部 21挤压 到第二打印头 121的发热表面, 当第二打印头 121受控发热时, 在热敏纸的背 面 P2打印设定的图像和文字。 由于单面打印时, 不需要工作的打印头与其相 对的压纸部分离, 使打印头与热敏纸之间没有作用力, 从而可以减少纸张对打 印头磨损及纸张输送的负载。 需要说明的是, 上述打印头和压纸部中的一个或任意多个的组合可活动地 设置于框架上以使打印头和压纸部具有配合状态和分离状态, 其中, 打印头包 括第一打印头 111和第二打印头 121 ,压纸部包括第一压纸部 21和第二压纸部 22。 即, 可以只有一个打印头可活动地设置于框架上, 或者只有一个压纸部可 活动地设置于框架上, 也可以两个打印头可活动地设置于框架上, 或者两个压 纸部均可活动地设置于^ I架上, 也即, 可以通过在^ I架上对打印头和 /或压纸部 的活动设置,使得第一打印组件和 /或第二打印组件中的打印头和压纸部具有分 离 态。 具体地, 为了节约打印机成本, 在本发明的其他实施例中, 可以设置一套 抬起机构与第一打印头或第二打印头中的一个连接。 图 3示意出了抬起机构与 第二打印头 121连接的情况, 因此双面打印机可以实现在热敏纸双面打印和仅 在热敏纸正面打印的功能。 图 4示意出了抬起机构与第一打印头 111连接的情 况, 因此, 双面打印机可以实现在热敏纸双面打印和仅在热敏纸背面打印的功
图 5a是才艮据本发明第四实施例的双面打印机示意图。 本实施例与本发明 第一实施的区别在于, 抬起机构与压纸部连接, 用于驱动压纸部和打印头分离
如图所示, 第一抬起机构设置在第二框架 200上, 包括第一驱动件 411和 第一调节件 412。 其中, 第一驱动件 411安装在第二框架 200的主体上, 第一 调节件 412与第一驱动件 411 固定连接, 第一调节件 412与第二压纸部 22 固 定连接,可以改变第二压纸部 22与第一打印头 111的相对位置。 当第一驱动件 411驱动第一调节件 412旋转位于第一位置时,第二压纸部 22位于与第一打印 头 111压紧的工作位置; 当第一驱动件 411驱动第一调节件 412旋转至第二位 置时, 第二压纸部 22 向远离第一打印头 111 方向旋转, 并位于与第一打印头 111分离的非工作位置。 第二抬起机构设置在第一框架 100上, 包括第二驱动件 421和第二调节件 422。 其中第二驱动件 421安装在第一框架 100的主体上, 第二调节件 422与 第二驱动件 421 固定连接, 第二调节件 422与第一压纸部 21 固定连接, 可以 改变第一压纸部 21与第二打印头 121的相对位置。 当第二驱动件 421驱动第 二调节件 422旋转位于第一位置时, 第一压纸部 21位于与第二打印头 121压 紧的工作位置; 当第二驱动件 421驱动第二调节件 422旋转至第二位置时, 第 一压纸部 21向远离第二打印头 121方向旋转, 并位于与第二打印头 121分离 的非工作位置。 需要说明的是, 第一驱动件 411、 第二驱动件 421可以是电器元件, 如电 机、 电磁铁, 也可以是手动扳手。 当第一驱动件 411、 第二驱动件 421是电器 元件时, 双面打印机还包括控制装置, 该控制装置与第一驱动件 411和第二驱 动件 421电连接, 通过打印机接收到的指令控制第一调节件 412和第二调节件 422动作。 当第一驱动件 411、 第二驱动件 421是手动扳手时, 操作者可以根 据需要手动调节第一调节件 412和第二调节件 422至设定的位置。本实施例中, 第一调节件 412、 第二调节件 422可以是摆臂。 如图 5a所示, 当需要双面打印时, 第一驱动件 411、 第二驱动件 421分别 驱动第一调节件 412和第二调节件 422位于第一位置, 因此, 热敏纸正面 P 1 被第二压纸部 22挤压到第一打印头 111的发热表面, 热敏纸背面 P2被第一压 纸部 21挤压到第二打印头 121 的发热表面, 当第一打印头 111受控发热时, 在热敏纸的正面 P 1打印设定的图像和文字; 当第二打印头 121受控发热时, 在热敏纸的背面 P2打印设定的图像和文字。 如图 5b所示, 当仅需要在热敏纸正面 P 1打印时, 第二抬起机构的第二驱 动件 421驱动第二调节件 422转动,使与第二打印头 121相对的第一压纸部 21 向远离第二打印头 121 的方向旋转, 使第一压纸部 21位于非工作位置, 从而 使不工作的第二打印头 121与热敏纸或第一压纸部 21之间不受力。 如图 5c所示, 当仅需要在热敏纸背面 P2打印时, 第一抬起机构的第一驱 动件 411驱动第一调节件 412转动, 使与第一打印头 111相对的第二压纸部 22 向远离第一打印头 111的方向旋转,使第二压纸部 22位于非工作位置,从而使 不工作的第一打印头 111与热敏纸或第二压纸部 22之间不受力。 图 6a是才艮据本发明第五实施例的双面打印机的示意图, 图中示出了框架 包括三个部分的情况。 如图所示, 双面打印机的 411架可以包括第一可动 411架 101、 第二可动^ I架 102和固定框架 200,, 其中, 第一可动框架 101和第二可动框架 102均通过转 轴 300与固定框架 200,枢接, 可以相对于固定框架 200,打开和闭合。 优选地, 第一打印头组件 (包括第一打印头 111 ) 和第一抬起机构设置在第一可动框架 101 , 第一压纸部 21和第二抬起机构设置在第二可动 411架 102上, 第二打印头 组件 (包括第二打印头 121 ) 和第二压纸部 22设置在固定框架 200,上。 在上述结构中, 当第一可动框架 101相对于固定框架 200,闭合时, 第一打 印头 111和第二压纸部 22相对配合;当第二可动框架 102相对于固定框架 200, 闭合时, 第二打印头 121和第一压纸部 21相对配合。 第一抬起机构或第二抬 起机构可以根据需要调节第一打印头 111或第一压纸部 21相对于框架的位置关 系, 从而在第一打印头 111和第二打印头 121中一个工作, 另一个不工作的情 况下, 使得不工作的打印头和其相对的压纸部处于分离状态。 需要说明的是, 本发明的其他实施例中, 在框架包括三个部分的情况下, 第一可动框架 101可以通过转轴 300与固定框架 200,枢接, 第二可动框架 102 可以通过第二转轴 301与第一可动^ I架 101才区接, 如图 6b所示。 图 7是根据本发明第七实施例的双面打印机的示意图。 本实施例与第一实 施例的区别在于, 第一打印组件为接触式打印组件, 例如热敏打印组件, 第二 打印组件为非接触式打印组件, 比如针式、 喷墨或激光打印组件; 双面打印机 仅设置第一抬起机构,与第一打印组件连接,在第一打印组件不工作的情况下, 使得第一打印组件中的打印头和压纸部处于分离状态。 由于第一打印组件和第一抬起机构实施方式与第一实施例相同, 此处不再 赘述, 下面结合如图 7说明第二打印组件实施方式。 本实施例中, 第二打印组件为针式打印组件。 第二打印组件包括第二打印 头组件和垫板 24, 其中, 第二打印头组件包括针式打印头 131、 导向轴 132和 墨带盒 133。 针式打印头 131的打印端面 131a与垫板 24相对, 二者之间保持 设定距离。 导向轴 132平行于垫板 24 , 固定在第二框架 200的主体上, 针式打 印头 131的支撑架 131b穿过导向轴 132 , 可以沿垫板 24长度方向往返运动。 墨带盒 133中的墨带覆盖在针式打印头 131的打印端面 131a ,打印介质从墨带 和垫板 24之间穿过。 打印时, 针式打印头 131 的打印针将墨汁击打到打印介 质上形成图像和文字。 当第一打印组件工作时, 第一驱动件 311驱动第一调节件 312旋转位于第 一位置, 第一打印头 111在第一弹性元件 114弹力作用下位于与第二压纸部 22 压紧的工作位置; 当第一打印组件不工作时, 第一驱动件 311驱动第一调节件 312旋转至第二位置时, 第一打印头 111克服第一弹性元件 114弹力位于与第 二压纸部 22分离的非工作位置。 本实施例提供的打印机, 由于第二打印组件为非热敏打印组件, 第二打印 组件的打印头与垫板之间保持设定距离, 即使第二打印组件不工作, 打印头与 介质之间由于无压力而不会产生摩擦力, 因此, 只需设置第一抬起机构, 使第 一打印头 111在不工作时与第二压纸部 22分离,从而以减少纸张对打印头磨损 及纸张输送的负载, 同时该实施例还有利于节约成本。 当然, 第一抬起机构也可以釆用本发明第四实施例提供的技术方案。 根据本发明实施例, 还提供了一种双面打印机的控制方法。 该控制方法可 以基于上述的双面打印机来实现, 但也不限于在上述的双面打印机上实现。 该 双面打印机的控制方法包括以下步骤: 控制装置接收双面打印机的打印指令。 其中, 打印指令有可能是双面打印 指令, 也有可能是单面打印指令。 控制装置判断出打印指令为单面打印指令之后, 控制不需要执行打印操作 的打印头和压纸部处于分离状态。 因此, 当需要单面打印时, 驱动件驱动与不工作的打印头相对的压纸部位 于非工作位置, 即不工作的打印头和压纸部分离, 从而使不工作的打印头与热 敏纸之间不受力, 以减少纸张对打印头磨损及纸张输送的负载。 从以上的描述中, 可以看出, 本发明的双面热打印机能够灵活切换单面或 双面打印功能, 并且可以在单面打印时减少纸张对打印头磨损及纸张输送的负 载, 进而可以提高打印头的寿命。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领 域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和原则 之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之 内。

Claims

权 利 要 求 书 一种双面打印机, 其特征在于, 包括: 第一打印组件, 用于在打印介质的第一面打印, 包括:
第一打印头 ( 111 ); 以及
第二压纸部 (22), 与所述第一打印头 ( 111) 相对设置, 第二打印组件, 用于在所述打印介质的第二面打印, 包括:
第二打印头 ( 121 ); 以及
第一压纸部 (21), 与所述第二打印头 ( 121) 相对设置, 抬起机构, 用于在打印过程中, 使不工作的打印组件中的打印头和 压纸部处于分离状态。 根据权利要求 1所述的双面打印机, 其特征在于, 还包括框架, 其中, 所述打印头和所述压纸部均设置于所述框架上, 所述抬起机构设置于所 述打印头与所述^ I架之间和 /或所述压纸部与所述 4ϋ架之间。 根据权利要求 2所述的双面打印机, 其特征在于, 所述框架包括,
第一框架 ( 100); 以及
第二框架 (200), 与所述第一框架 ( 100) 相枢接,
其中, 所述第一打印头 ( 111 )和所述第一压纸部 (21 )设置于所述 第一框架 ( 100) 上, 所述第二打印头 ( 121) 和所述第二压纸部 (22) 设置于所述第二框架 (200) 上。 根据权利要求 2所述的双面打印机, 其特征在于, 所述框架包括,
固定框架 (200' );
第一可动框架 ( 101), 与所述固定框架 (200,) 相枢接; 以及 第二可动框架 ( 102), 与所述固定框架 (200,) 或所述第一可动框 架 ( 101 ) 相枢接, 其中, 所述第一打印头 ( 111 )设置于所述第一可动框架( 101 )上, 所述第一压纸部(21 )设置于所述第二可动框架( 102 )上, 所述第二打 印头 ( 121 ) 和所述第二压纸部 (22 )设置于所述固定框架 (200,) 上。 才艮据权利要求 2所述的双面打印机, 其特征在于, 所述打印头和所述压 纸部中的一个或任意多个的组合可活动地设置于所述^ I架上以使所述打 印头和所述压纸部具有配合状态和所述分离状态, 其中, 所述打印头包 括所述第一打印头 ( 111 )和所述第二打印头( 121 ), 所述压纸部包括所 述第一压纸部 (21 ) 和所述第二压纸部 (22 )。 根据权利要求 2至 4中任一项所述的双面打印机, 其特征在于, 所述抬 起机构包括:
第一调节件 (312 ), 可活动地设置于所述框架上并与所述打印头相 连接以使所述打印头具有第一位置和第二位置, 其中, 在所述第一位置, 所述打印头与相对应的压纸部处于配合状态, 在所述第二位置, 所述打 印头与相对应的压纸部处于所述分离状态; 以及 第一驱动件 (311 ), 设置于所述框架上, 与所述第一调节件 (312 ) 相连接。 根据权利要求 6所述的双面打印机, 其特征在于, 还包括:
弹性元件, 设置于所述打印头和所述框架之间, 用于提供所述打印 头的发热面和所述压纸部之间的预紧力;
支架, 与所述第一调节件相连接; 以及
支撑轴, 设置于所述框架上, 用于支撑所述支架,
其中, 所述打印头固定于所述支架上, 所述第一调节件经由所述支 架使所述打印头绕所述支撑轴转动, 以使所述打印头与所述压纸部具有 所述分离状态。 才艮据权利要求 6所述的双面打印机,其特征在于,所述第一驱动件(311 ) 包括电机或扳手, 其中, 在所述第一驱动件(311 )为电机的情况下, 所 述双面打印机还包括控制装置, 所述控制装置与所述第一驱动件 (311 ) 相连接, 用于在接收到所述双面打印机的打印指令之后, 控制相应的驱 动件启动。
. 根据权利要求 2至 4中任一项所述的双面打印机, 其特征在于, 所述抬 起机构包括:
第二调节件 (322 ), 可活动地设置于所述框架上并与所述压纸部相 连接以使所述打印头与所述压纸部具有配合状态和所述分离状态; 以及 第二驱动件(321 ),设置于所述框架上,其中,所述第二调节件(322 ) 与所述第二驱动件 (321 ) 相连接。
10. 根据权利要求 9所述的双面打印机,其特征在于,所述第二驱动件 ( 321 ) 包括电机或扳手, 其中, 在所述第二驱动件(321 )为电机的情况下, 所 述双面打印机还包括控制装置, 所述控制装置与所述第二驱动件 (321 ) 相连接, 用于在接收到所述双面打印机的打印指令之后, 控制相应的驱 动件启动。
11. 根据权利要求 9所述的双面打印机,其特征在于,所述第二调节件( 322 ) 与所述压纸部的芯轴相连接, 所述第二驱动件(321 )经由所述第二调节 件( 322 )驱动所述压纸部旋转以使所述压纸部和所述打印头具有配合状 态和所述分离状态。
12. 根据权利要求 1所述的双面打印机,其特征在于,所述第一打印头( 111 ) 和 /或所述第二打印头 ( 121 ) 为热敏打印头。
13. —种双面打印机的控制方法, 其特征在于, 包括:
控制装置接收打印指令; 以及
所述控制装置判断出所述打印指令为单面打印指令之后, 控制不需 要执行打印操作的打印头和压纸部处于分离状态。
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CN101830125A (zh) * 2010-06-11 2010-09-15 山东新北洋信息技术股份有限公司 双面打印机及其控制方法
US11120669B2 (en) * 2013-11-26 2021-09-14 Ncr Corporation Media depository
CN107471831A (zh) * 2017-08-06 2017-12-15 乔斌 一种高效双面打码机
CN111070902A (zh) * 2020-01-16 2020-04-28 苏州德启智能科技有限公司 一种纸张拓号装置
CN113199873A (zh) * 2021-05-21 2021-08-03 曲阜市玉樵夫科技有限公司 一种可实现双面打印功能的热敏打印机及打印方法
CN113561665A (zh) * 2021-06-07 2021-10-29 宁波荣大创想智造科技有限公司 制版机构及速印一体机

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