Double-sided ink-jet overprinting machine

Abstract

The utility model relates to a double-face ink-jet overprinting machine which comprises a rack, a printing assembly for conducting ink-jet printing on the two faces of paper, an impurity removing assembly, a feeding roller and a winding assembly for winding the printed paper, the feeding roller is rotationally connected to the rack, the winding assembly is arranged on the rack, and the feeding roller is rotationally connected to the rack. The printing assembly is located between the feeding roller and the winding assembly, the impurity removing assembly is located between the feeding roller and the printing assembly, the impurity removing assembly comprises two chip adhering parts, the two chip adhering parts correspond to the two faces of paper, and each chip adhering part comprises an adhesive tape wheel wound with an adhesive tape, a recycling wheel, an abutting rod and a driving motor. One end of an adhesive tape on the adhesive tape wheel is arranged on the recovery wheel, the abutting rod is located on the side, away from paper, of the adhesive tape and used for abutting the adhesive tape to the paper, and the driving motor is used for driving the recovery wheel to rotate. The device has the effect of removing impurities adhered to the surface of the paper.

Description

Technical Field

[0001] The present application relates to the field of inkjet overprinting machines, and in particular to a double-sided inkjet overprinting machine. Background Art

[0002] A double-sided inkjet overprinter is a printing device that can print on both sides of a piece of paper at the same time.

[0003] At present, the Chinese utility model patent with publication number CN218804660U discloses a printing machine capable of double-sided printing, including a base, a guide roller, a winding roller, a printing chamber, and a drying chamber. The two ends of the top of the base are respectively equipped with guide rollers and winding rollers through brackets. The top of the base is provided with a printing chamber, and the other end of the printing chamber is provided with a drying chamber. The top of the base is provided with a printing mechanism that can efficiently collect ink and a drying mechanism that can quickly dry the two sides of the support after printing. The printing mechanism includes a printing roller, an ink shell, and an ink-coating roller. The utility model sets a printing mechanism, and cooperates with the printing roller, the ink shell, the ink tank, the ink-coating roller, the upper ink cartridge, the lower ink cartridge, the ink pump A, the ink pump B, and the inkjet head. The two printing rollers can be set to complete the simultaneous double-sided printing of the paper, and the ink flowing down can be collected and the ink can be automatically recycled, thereby improving the utilization rate of the ink and the printing efficiency.

[0004] With respect to the above-mentioned related technologies, the inventors believe that there are the following defects: there may be impurities such as paper ash on the surface of the paper. If inkjet is directly applied to the paper with paper ash, the printing effect of the paper will be poor. Therefore, it is necessary to remove the impurities on the surface of the paper before printing. Utility Model Content

[0005] In order to remove impurities adhering to the surface of paper, the present application provides a double-sided inkjet overprinting machine

[0006] The present application provides a double-sided inkjet overprinting machine, which adopts the following technical solution:

[0007] A double-sided inkjet overprinter comprises a frame, a printing component for performing inkjet printing on both sides of a paper, a dust removal component, a feed roller and a winding component for winding up the printed paper, the feed roller being rotatably connected to the frame, the winding component being arranged on the frame, the printing component being located between the feed roller and the winding component, the dust removal component being located between the feed roller and the printing component, the dust removal component comprising two debris sticking parts, the two debris sticking parts corresponding to the two sides of the paper, the debris sticking parts comprising a tape wheel wrapped with tape, a recovery wheel, an abutment rod and a driving motor, one end of the tape on the tape wheel being arranged on the recovery wheel, the abutment rod being located on the side of the tape facing away from the paper, the abutment rod being used to abut the tape against the paper, and the driving motor being used to drive the recovery wheel to rotate.

[0008] By adopting the above technical solution, the staff drives the paper to move successively along the feeding roller, the impurity removing component, the printing component to the winding component. After entering the impurity removing component, the driving motor drives the recovery wheel to rotate. The recovery wheel drives the tape wheel to rotate through the tape. The tape moves along with the paper, and the impurities on the paper adhere to the tape. Since the tape is wound around the tape wheel, as the tape is gradually wound onto the recovery wheel, the tape wheel will gradually move away from the paper. Through the abutting rod, it can be ensured that the tape can always abut against the paper, improving the impurity removing effect of the paper. The tape with impurities is wound onto the recovery wheel, and the impurity adhering part facilitates the removal of the impurities on the paper, improving the printing quality of the paper.

[0009] Optionally, one end of the abutting rod facing the tape is arc-shaped.

[0010] By adopting the above technical solution, one end of the abutting rod facing the tape is arc-shaped, reducing the contact area between the tape and the paper and reducing the damage of the paper caused by the adhesiveness of the tape.

[0011] Optionally, the impurity removing component further includes a bidirectional screw and a control motor. The abutting rod is slidably connected to the frame along the direction of approaching or departing from the tape. The length direction of the bidirectional screw is parallel to the sliding direction of the abutting rod. The bidirectional screw is rotatably connected to the frame. The two abutting rods are respectively threadedly connected to the thread sections with opposite helix directions of the bidirectional screw. The control motor is used to drive the bidirectional screw to rotate.

[0012] By adopting the above technical solution, since the tape on the tape wheel will be used up, it is necessary to replace the tape wheel and the recovery wheel. The staff will start the control motor, and the control motor drives the bidirectional screw to rotate, so that the abutting rod moves away from the paper, reducing the adhesion of the tape to the paper when replacing the tape wheel and the recovery wheel, and improving the rationality of the impurity removing component.

[0013] Optionally, the impurity adhering part further includes a clamping strip. A clamping groove is formed on the outer side wall of the recovery wheel. One end of the adhesive tape is located in the clamping groove. The clamping strip is used for clamping and cooperating with the clamping groove.

[0014] By adopting the above technical solution, after the new tape wheel and recovery wheel are installed on the frame, the staff needs to place one end of the tape on the tape wheel in the clamping groove, and then clamp the clamping strip with the clamping groove to connect the tape with the recovery wheel, so that when the driving motor drives the recovery wheel to rotate, the tape can be wound onto the recovery wheel.

[0015] Optionally, a drying component is arranged between the printing component and the winding component. The drying component includes an oven and a plurality of heating rods. The oven is provided with a through groove for the paper to pass through, and the plurality of heating rods are located in the oven.

[0016] By adopting the above technical solution, the drying component is used to dry the printed paper, the heating rod is used to heat the inside of the oven, and the oven also reduces the escape of the heat of the heating rod. The drying component reduces the ink staining of the printed paper during the winding process.

[0017] Optionally, the drying component further includes a hot air blower, which is arranged on the oven and is used to supply hot air into the oven.

[0018] By adopting the above technical solution, the hot air blower enables the rapid flow of air in the oven, making the heating effect of the paper faster and enabling the ink to be better adsorbed on the paper.

[0019] Optionally, the winding component includes a winding roller, a winding motor and a locking member. The winding roller is rotatably connected to the frame. A spline groove is provided at one end of the winding roller. The winding motor is slidably connected to the frame along the length direction of the winding roller. The output shaft of the winding motor is used to cooperate with the spline groove, and the locking member is used to keep the winding motor connected to the winding roller.

[0020] By adopting the above technical solution, when the paper is completely wound, the winding roller needs to be removed from the frame. The staff can release the locking member and slide the winding motor so that the output shaft of the winding motor is disengaged from the spline groove of the winding roller, which is convenient for the staff to remove the winding roller. The winding component has a simple structure and is convenient for the staff to operate.

[0021] Optionally, the locking member includes a locking spring and a locking block. The locking block is slidably connected to the winding motor. A locking groove is provided on the frame, and the locking spring is used to keep the locking block engaged with the locking groove.

[0022] By adopting the above technical solution, when the staff needs to disengage the winding motor from the winding roller, the staff can first overcome the elastic force of the locking spring of the locking block so that the locking block disengages from the locking groove, and then the staff can slide the winding motor. The locking member has a simple and reasonable structure.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The impurity removal component is used to remove the impurities adhered to the paper before printing, improving the printing quality;

[0025] 2. The locking member is used to keep the winding motor connected to the winding roller. Description of the Drawings

[0026] Figure 1 It is a schematic structural diagram of a double-sided inkjet overprinting machine.

[0027] Figure 2 is Figure 1 The structural schematic diagram of the impurity removal component in

[0028] Figure 3 is Figure 2 The enlarged view of part A in , which is used to show the cooperation relationship between the clamping strip and the recovery wheel.

[0029] Figure 4 is Figure 1 The sectional view of the drying component in .

[0030] Figure 5 is Figure 1 The structural schematic diagram of the winding component in .

[0031] Reference numerals: 1, frame; 11, locking groove; 2, printing component; 21, inkjet head; 22, ink cartridge; 3, impurity removal component; 31, chip sticking part; 311, tape wheel; 312, recovery wheel; 313, abutting rod; 314, driving motor; 315, clamping strip; 316, first shaft; 317, second shaft; 318, clamping groove; 32, bidirectional screw; 33, control motor; 4, feeding roller; 5, winding component; 51, winding roller; 511, spline groove; 52, winding motor; 521, spline; 53, locking part; 531, locking spring; 532, locking block; 533, holding rod; 6, drying component; 61, oven; 62, heating rod; 63, hot air blower. Detailed implementation manners

[0032] The following further elaborates on the present application in conjunction with the attached Figures 1-5 for a more detailed description.

[0033] The embodiment of the present application discloses a double-sided inkjet overprinting machine. Referring to Figure 1 , a double-sided inkjet overprinting machine includes a frame 1, a printing component 2, an impurity removal component 3, a feeding roller 4, a winding component 5, and a drying component 6. The feeding roller 4, the impurity removal component 3, the printing component 2, the drying component 6, and the winding component 5 are arranged on the frame 1 along the paper transportation direction. The feeding roller 4 is horizontally arranged, and the length direction of the feeding roller 4 is perpendicular to the paper transportation direction. The feeding roller 4 is rotatably connected to the frame 1.

[0034] Referring to Figure 1 and Figure 2The impurity removal component 3 includes two debris sticking parts 31, a bidirectional screw 32 and a control motor 33. The two debris sticking parts 31 are distributed in the vertical direction. The debris sticking part 31 includes a tape wheel 311 wrapped with tape, a recovery wheel 312, an abutment rod 313, a driving motor 314, a clamping strip 315, a first shaft 316 and a second shaft 317. The length direction of the first shaft 316 is parallel to the length direction of the feed roller 4. The first shaft 316 is rotatably connected to the frame 1. The length direction of the second shaft 317 is parallel to the length direction of the first shaft 316. The second shaft 317 is rotatably connected to the frame 1. The tape wheel 311 is coaxially arranged with the first shaft 316. The tape wheel 311 is sleeved on the first shaft 316. The recovery wheel 312 is coaxially arranged with the second shaft 317. The recovery wheel 312 is sleeved on the second shaft 317. The driving motor 314 is fixedly arranged on the frame 1. The driving motor 314 is used to drive the second shaft 317 to rotate.

[0035] Reference Figure 2 and Figure 3 The abutment rod 313 is located between the first axis 316 and the second axis 317. The outer wall of the recovery wheel 312 is provided with a clamping groove 318, and the clamping groove 318 extends along the length direction of the recovery wheel 312. One end of the tape on the tape wheel 311 is located in the clamping groove 318. The length direction of the clamping strip 315 is parallel to the length direction of the recovery wheel 312. The clamping strip 315 is clamped in the clamping groove 318. The length direction of the abutment rod 313 is parallel to the length direction of the tape wheel 311. 313 is located between the recovery wheel 312 and the tape wheel 311, the abutment rod 313 is slidably connected to the frame 1 in the vertical direction, the abutment rod 313 abuts against the side of the tape away from the paper, the bidirectional screw 32 is vertically arranged, the bidirectional screw 32 is rotatably connected to the frame 1, the two abutment rods 313 are threadedly connected to the thread segments of the bidirectional screw 32 with opposite rotation directions, the control motor 33 is fixedly arranged on the frame 1, and the output shaft of the control motor 33 is fixedly connected to the upper end surface of the bidirectional screw 32.

[0036] Reference Figure 1 and Figure 4 The printing component 2 includes two inkjet heads 21 and two ink cartridges 22. The two ink cartridges 22 are distributed in the vertical direction and are located on both sides of the paper. The ink cartridges 22 are fixedly arranged on the frame 1. The two inkjet heads 21 correspond to the two ink cartridges 22 one by one. The inkjet heads 21 are fixedly arranged on the ink cartridges 22, and the inkjet heads 21 face the paper.

[0037] Reference Figure 1 and Figure 4, the drying component 6 includes an oven 61, a plurality of heating rods 62, and a hot air blower 63. The oven 61 is fixedly arranged on the frame 1. The oven 61 is provided with a through slot for the paper to pass through. The length direction of the heating rods 62 is horizontally arranged and perpendicular to the transportation direction of the fabric. A plurality of heating rods 62 are evenly distributed in the oven 61. The hot air blower 63 is fixedly arranged on the oven 61, and the air outlet of the hot air blower 63 is communicated with the inside of the oven 61.

[0038] Referring to Figure 1 and Figure 5 , the winding component 5 includes a winding roller 51, a winding motor 52, and a locking member 53. The length direction of the winding roller 51 is parallel to the length direction of the feeding roller 4. The winding roller 51 is rotatably connected to the frame 1. The winding motor 52 is slidably connected to the frame 1 along the length direction of the winding roller 51. One end of the winding roller 51 facing the winding motor 52 is provided with a spline groove 511, and the output end of the winding motor 52 is provided with a spline 521. The spline 521 is used for engaging with the spline groove 511. The locking member 53 includes a locking spring 531, a locking block 532, and a holding rod 533. The frame 1 is provided with a locking groove 11. The locking groove 11 extends along a direction perpendicular to the sliding direction of the winding motor 52. The locking block 532 is slidably connected to the winding motor 52 along the extending direction of the locking groove 11. The length direction of the locking spring 531 is parallel to the sliding direction of the locking block 532. One end of the locking spring 531 is fixedly arranged on the winding motor 52, and the other end of the locking spring 531 is fixedly arranged on the locking block 532. The length direction of the holding rod 533 is parallel to the sliding direction of the locking block 532. One end of the holding rod 533 is fixedly arranged on the locking block 532.

[0039] The implementation principle of a double-sided inkjet overprinting machine according to an embodiment of the present application is as follows: The staff first places the winding roller 51 on the frame 1, slides the winding motor 52, mates the spline 521 of the winding motor 52 with the spline groove 511 of the winding roller 51. The locking block 532 is engaged with the locking groove 11 under the action of the elastic force of the locking spring 531, and the winding motor 52 remains connected to the winding roller 51.

[0040] Then, the staff passes the paper on the feeding roller 4 through the impurity removing component 3, the printing component 2, and the drying component 6 in sequence, and installs one end on the winding roller 51. The winding motor 52 is started. The winding motor 52 drives the paper to move. Before the paper enters the printing component 2, the impurities on the paper come into contact with the tape of the impurity removing component 3, and the impurities adhere to the tape. The used tape will be wound onto the recovery wheel 312 for subsequent replacement. The printing component 2 performs double-sided inkjet printing on the paper, and the drying component 6 performs drying treatment on the printed paper. The dried paper is wound onto the winding roller 51.

[0041] The above are all preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A double-sided inkjet overprinting machine, characterized in that: It includes a frame (1), a printing assembly (2) for inkjet printing on both sides of paper, a dust removal assembly (3), a feeding roller (4), and a winding assembly (5) for winding the printed paper. The feeding roller (4) is rotatably connected to the frame (1), the winding assembly (5) is arranged on the frame (1), the printing assembly (2) is located between the feeding roller (4) and the winding assembly (5), the dust removal assembly (3) is located between the feeding roller (4) and the printing assembly (2). The dust removal assembly (3) includes two debris sticking members (31). The two debris sticking members (31) correspond to the two sides of the paper. The debris sticking member (31) includes a tape wheel (311) wound with a tape, a recovery wheel (312), an abutting rod (313), and a driving motor (314). One end of the tape on the tape wheel (311) is arranged on the recovery wheel (312). The abutting rod (313) is located on the side of the tape away from the paper. The abutting rod (313) is used to abut the tape against the paper. The driving motor (314) is used to drive the recovery wheel (312) to rotate.

2. The double-sided inkjet overprinter according to claim 1, characterized in that: One end of the abutting rod (313) facing the tape is arc-shaped.

3. A double-sided inkjet overprinter according to claim 1, characterized in that: The dust removal assembly (3) further includes a bidirectional screw (32) and a control motor (33). The abutting rod (313) is slidably connected to the frame (1) in a direction close to or away from the tape. The length direction of the bidirectional screw (32) is parallel to the sliding direction of the abutting rod (313). The bidirectional screw (32) is rotatably connected to the frame (1). The two abutting rods (313) are respectively threadedly connected to the thread segments with opposite helix directions of the bidirectional screw (32). The control motor (33) is used to drive the bidirectional screw (32) to rotate.

4. A double-sided inkjet overprinter according to claim 1, characterized in that: The debris sticking member (31) further includes a clamping strip (315). A clamping groove (318) is formed on the outer side wall of the recovery wheel (312). One end of the tape is located in the clamping groove (318). The clamping strip (315) is used for clamping and cooperating with the clamping groove (318).

5. A double-sided inkjet overprinter according to claim 1, characterized in that: A drying assembly (6) is arranged between the printing assembly (2) and the winding assembly (5). The drying assembly (6) includes an oven (61) and a plurality of heating rods (62). The oven (61) is provided with a through groove for the paper to pass through. The plurality of heating rods (62) are located in the oven (61).

6. The double-sided inkjet overprinter according to claim 5, characterized in that: The drying assembly (6) further includes a hot air blower (63). The hot air blower (63) is arranged on the oven (61). The hot air blower (63) is used to supply hot air into the oven (61).

7. A double-sided inkjet overprinter according to claim 1, characterized in that: The winding assembly (5) includes a winding roller (51), a winding motor (52) and a locking member (53). The winding roller (51) is rotatably connected to the frame (1). A spline groove (511) is formed at one end of the winding roller (51). The winding motor (52) is slidably connected to the frame (1) along the length direction of the winding roller (51). The output shaft of the winding motor (52) is used to cooperate with the spline groove (511). The locking member (53) is used to keep the winding motor (52) in a connected state with the winding roller (51).

8. A double-sided inkjet overprinter according to claim 7, characterized in that: The locking member (53) includes a locking spring (531) and a locking block (532). The locking block (532) is slidably connected to the winding motor (52). A locking groove (11) is formed in the frame (1). The locking spring (531) is used to keep the locking block (532) engaged with the locking groove (11).

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