Deviation correcting device of label printing machine

Abstract

The deviation rectifying device of the label printing machine comprises a box body and a box door hinged to the box body, two supporting rods are arranged in the box body, sliding sleeves are arranged on supporting plates in a sliding and sleeving mode, adjusting assemblies are arranged on the sliding sleeves in a sliding and sleeving mode, synchronous assemblies are arranged at the two ends of each adjusting assembly, and each synchronous assembly comprises a baffle. Pressing plates are arranged on the opposite sides of the baffles, a driving assembly is arranged below the pressing plate far away from the box door and comprises a rack fixedly connected to the inner side wall of the box body, a gear rotationally connected to the pressing plate and a servo motor driving the gear to rotate, the servo motor is fixed to the pressing plate through a connecting plate, and a control platform is arranged on the box body. And the servo motor is electrically connected to the control platform. The method has the effect of improving the qualified rate of finished products of the label paper.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing equipment, in particular to a deviation correcting device of a label printing machine. BACKGROUND

[0002] The label printing machine is a device for printing trademarks, labels and other products. The modern label printing machine generally has a structure including a printing part, a label material supply part, a material receiving part and other auxiliary parts. The label printing machine has very wide application scenarios and can be used for printing product labels, signs, adhesive labels and the like in various industries.

[0003] However, during the continuous printing and transmission of the label paper, the label paper will deviate, resulting in a change in the position of the label paper. Due to the diversity of printing patterns and different colors, the subsequent printing effect is affected, and the qualified rate of the label paper product is reduced. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the qualified rate of the label paper product, the present application provides a deviation correcting device of a label printing machine.

[0005] The deviation correcting device of the label printing machine provided by the present application adopts the following technical scheme:

[0006] The deviation correcting device of the label printing machine comprises a box body and a box door hinged to the box body, two support rods are arranged in the box body, a sliding sleeve is slidably arranged on each support rod, an adjusting assembly is slidably arranged on each sliding sleeve, synchronous assemblies are arranged at both ends of the adjusting assembly, the synchronous assemblies comprise baffles, pressure plates are arranged on opposite sides of the baffles, a driving assembly is arranged below the pressure plate away from the box door, the driving assembly comprises a rack fixedly connected to the inner side wall of the box body, a gear rotatably connected to the pressure plate and a servo motor driving the gear to rotate, the servo motor is fixed to the pressure plate through a connecting plate, a control platform is arranged on the box door, and the servo motor is electrically connected to the control platform.

[0007] When the label paper deviates during printing and transmission, the servo motor can be driven by the control platform, and then the gear is driven to rotate. Since the rack is fixedly connected to the inner side wall of the box body, the pressure plate and the adjusting assembly slide along the length direction of the support rod under the action of the sliding sleeve. Since there is a tension force between the label paper and the adjusting assembly during transmission, the position of the label paper is corrected, and the qualified rate of the label paper product is improved. The synchronous assemblies can ensure that the adjusting assemblies on the two support rods in the box body move synchronously, thereby further improving the qualified rate of the label paper product.

[0008] Optionally, the adjusting assembly comprises a fixed sleeve and a threaded sleeve, a threaded section is formed on one end of the sliding sleeve close to the box door, the threaded sleeve is threadedly connected with the threaded section on the sliding sleeve, and the fixed sleeve is detachably connected to the other end of the sliding sleeve away from the box door.

[0009] By adopting the above technical scheme, the threaded sleeve is threadedly connected with the threaded section on the sliding sleeve, the distance between the threaded sleeve and the fixed sleeve can be adjusted according to the different widths of the label paper, so that the deviation correction device can adapt to different types of label paper, and the adaptability of the deviation correction device is improved, and the threaded connection can reduce the possibility of rotation of the threaded sleeve during the transmission of the label paper, thereby further improving the qualified rate of the label paper product.

[0010] Optionally, a tapered abutting table is sleeved on the fixed sleeve and the threaded sleeve, the small diameters of the tapered abutting tables are oppositely arranged, a placing ring groove is formed at the small diameter end of the tapered abutting table, a contact sensor ring is sleeved in the placing ring groove, and the contact sensor rings are electrically connected to the control platform.

[0011] By adopting the above technical scheme, the tapered abutting tables are respectively sleeved on the two ends of the fixed sleeve and the threaded sleeve, and the label paper is located between the two tapered abutting tables. When the label paper contacts the contact sensor ring on the tapered abutting table during the transmission, the contact sensor ring sends an electric signal to the control platform, and then the control platform sends an electric signal to drive the servo motor to rotate, thereby improving the accuracy of the position adjustment of the label paper and further ensuring the qualified rate of the label paper product.

[0012] Optionally, the synchronous assembly further comprises a limiting plate, torsional spring hinges are arranged at both ends of the baffle, one end of the torsional spring hinge is fixedly connected to the baffle, the other end is fixedly connected to the limiting plate, a limiting groove is formed on one end of the sliding sleeve and the fixed sleeve close to the tapered abutting table, a semicircular groove is formed on the limiting plate and the baffle, and the two semicircular grooves are combined into a whole circular groove which is clamped in the limiting groove.

[0013] By adopting the above technical scheme, the design of the limiting groove enables the synchronous assembly to be accurately installed on the sliding sleeve and the fixed sleeve, avoiding loosening or falling off. The combined design of the semicircular grooves formed on the limiting plate and the baffle not only enhances the connection strength between the limiting plate and the baffle, but also ensures that the whole synchronous assembly remains stable during the working process, thereby improving the deviation correction accuracy and stability of the label paper. The connection between the baffle and the limiting plate through the torsional spring hinge improves the maintenance efficiency of the deviation correction device in the later stage.

[0014] Optionally, one of the pressing plates is provided with a placing groove on the side away from the driving assembly, a unwinding box is arranged in the placing groove, a unwinding shaft is rotatably connected in the unwinding box, a supporting cloth and a coil spring are arranged on the unwinding shaft, the coil spring is fixedly connected to the supporting cloth, a arranging groove is formed in the unwinding box to allow the supporting cloth and the coil spring to pass through, a connecting groove is formed in the other pressing plate, a first magnet is embedded in the connecting groove, a second magnet is fixedly connected to the end of the supporting cloth away from the unwinding shaft, and the width of the second magnet is greater than the width of the arranging groove.

[0015] By adopting the above technical scheme, when printing and processing different types of label paper, the distance between the threaded sleeve and the fixing sleeve needs to be adjusted, and at this time, a gap will also be generated between the two pressing plates. At this time, the operator pulls the second magnet to attract the first magnet in the connecting groove, and at this time, the supporting cloth and the coil spring are laid on the gap between the two opposite pressing plates, thereby avoiding the possibility of damage caused by the hollowing of the label paper during printing, and thereby improving the printing efficiency of the label paper.

[0016] Optionally, an L-shaped supporting plate is arranged on the pressing plate away from the box door, and a supporting groove is formed in the side of the rack away from the pressing plate.

[0017] By adopting the above technical scheme, the L-shaped supporting plate not only improves the rigidity of the rack, but also the supporting groove formed in the rack in sliding cooperation with the L-shaped supporting plate can change the supporting point of the rack when the position of the pressing plate changes, thereby further ensuring the stability of the rack in the correction device.

[0018] Optionally, a drying box is arranged at the downstream of the box, an electric heating rod is arranged in the drying box, and the electric heating rod is electrically connected to the control platform.

[0019] By adopting the above technical scheme, the electric heating rod in the drying box can quickly heat up to rapidly dry the ink on the label, thereby ensuring that the label paper will not be damaged or contaminated due to incomplete drying in the subsequent processing process. At the same time, the electric heating rod is electrically connected to the control platform, and the heating temperature and time can be adjusted according to actual needs to realize precise control, thereby further improving the overall performance of label printing.

[0020] Optionally, a plurality of tensioning rollers are arranged at both ends of the synchronous assembly, the tensioning rollers are rotatably connected to the inner side wall of the box, and the plurality of tensioning rollers are arranged in a staggered manner in the horizontal direction.

[0021] By adopting the technical scheme, the multiple tension rollers can exert uniform tension on the label paper when the label paper passes, preventing the label paper from deviating due to slackness or tightness. Meanwhile, the tension rollers are staggered along the horizontal direction, further improving the stability of the label paper at different positions, reducing the lateral deviation of the label paper in the transmission process, thereby ensuring the printing quality and improving the qualified rate of the label paper.

[0022] To sum up, the present application includes at least one of the following beneficial technical effects:

[0023] 1. When the label paper deviates in the printing transmission process, the servo motor can be driven by controlling the platform, and then the gear is driven to rotate. Since the rack is fixedly connected to the inner side wall of the box body, the pressing plate and the adjusting assembly slide along the length direction of the support rod under the action of the sliding sleeve. Since there is a tension between the label paper and the adjusting assembly in the transmission process, the position of the label paper is corrected, and the qualified rate of the label paper product is improved. The synchronous assembly can ensure that the adjusting assemblies on the two support rods in the box body move synchronously, thereby further improving the qualified rate of the label paper product.

[0024] 2. The threaded segment of the threaded sleeve and the sliding sleeve is threadedly connected, and the distance between the fixing sleeve and the adjusting assembly can be adjusted according to the different widths of the label paper, so that the deviation correction device can adapt to different types of label paper, and the adaptability of the deviation correction device is improved. By threadedly cooperating, the possibility of rotating the threaded sleeve during the transmission of the label paper is reduced, thereby further improving the qualified rate of the label paper product.

[0025] 3. The conical abutting tables are fixedly arranged at the two ends of the fixing sleeve and the threaded sleeve, and the label paper is located between the two conical abutting tables. When the label paper contacts the sensor ring on the conical abutting table during the transmission, the sensor ring sends an electric signal to the control platform, and then the control platform sends an electric signal to drive the servo motor to rotate, thereby improving the accuracy of adjusting the position of the label paper and further ensuring the qualified rate of the label paper product. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0027] Figure 2 It is a schematic diagram of the internal overall structure of the present application.

[0028] Figure 3 It is a schematic diagram of the structure of the driving assembly.

[0029] Figure 4 It is a half-section schematic diagram of the support rod.

[0030] Figure 5 It is Figure 4A close-up view at C.

[0031] Figure 6 is Figure 2 A close-up view at C.

[0032] Fig. 7 is a half-section schematic view of a pressing plate.

[0033] Fig. 8 is a close-up view at C in Fig. 7.

[0034] Fig. 9 is a close-up view at D in Fig. 7.

[0035] BRIEF DESCRIPTION OF DRAWINGS: 1, box; 11, box door; 12, support rod; 13, sliding sleeve; 131, threaded section; 14, control platform; 2, adjusting assembly; 21, fixed sleeve; 22, threaded sleeve; 23, conical abutting table; 231, placing ring groove; 232, contact sensor ring; 24, limiting groove; 3, synchronous assembly; 31, baffle; 311, pressing plate; 312, placing groove; 313, connecting groove; 32, torsional spring hinge; 33, limiting plate; 4, driving assembly; 41, rack; 411, supporting groove; 42, gear; 43, servo motor; 44, connecting plate; 45, L-shaped supporting plate; 5, unwinding box; 51, unwinding shaft; 52, supporting cloth; 53, winding spring; 54, arrangement groove; 55, first magnet; 56, second magnet; 6, drying box; 61, electric heating rod; 7, tensioning roller. DETAILED DESCRIPTION

[0036] The following description will be made in conjunction with the accompanying drawings. Figures 1-9 The application is further described in detail.

[0037] The embodiment of the application discloses a deviation rectifying device of a label printing machine.

[0038] Referring to Figure 1 To Fig. 3, the deviation rectifying device of the label printing machine comprises a box 1 and a box door 11 hinged to the box 1, the box door 11 is fixedly connected with a handle, facilitating maintenance of an operator, and the box door 11 is provided with an observation window, facilitating the operator to observe the inside of the box 1. The two sides of the box 1 in the length direction are provided with through openings for label paper to enter and exit.

[0039] The inner side wall of the box 1 is fixedly connected with two support rods 12, and the support rods 12 are both slidingly sleeved with sliding sleeves 13, the sliding sleeves 13 are both slidingly sleeved with adjusting assemblies 2, the two ends of the adjusting assemblies 2 are both provided with synchronous assemblies 3, the synchronous assemblies 3 are respectively located near the inner side wall of the box 1 and the side of the box door 11, and the synchronous assemblies 3 comprise baffles 31, the opposite sides of the baffles 31 are both provided with pressing plates 311.

[0040] The driving assembly 4 is arranged below the pressing plate 311 close to the inner side wall of the box body 1, and the driving assembly 4 comprises a rack 41, a gear 42 and a servo motor 43, the gear 42 is rotationally connected to the pressing plate 311, the rack 41 is fixedly connected to the inner side wall of the box body 1 and is engaged with the gear 42, the pressing plate 311 is fixedly connected with a connecting plate 44, and the servo motor 43 is fixedly connected to the connecting plate 44 by screws, so as to drive the gear 42 to rotate. The control platform 14 is fixedly connected to the box door 11, and the servo motor 43 is electrically connected to the control platform 14.

[0041] With reference to Figure 1 When the printer is working and the label paper is deviated during transmission, the operator starts the servo motor 43 through the control platform 14 to drive the gear 42 to rotate, and the pressing plate 311 slides along the length direction of the supporting rod 12 under the action of the adjusting assembly 2 in the sliding sleeve 13, because the rack 41 is fixedly connected to the inner side wall of the box body 1. Because of the tension and friction force between the label paper and the adjusting assembly 2 during transmission, the driving assembly 4 can correct the position of the label paper when adjusting the pressing plate 311, thereby improving the qualified rate of the label paper. The synchronous assembly 3 makes the adjusting assembly 2 on the supporting rod 12 move synchronously, thereby further improving the qualified rate of the label paper.

[0042] With reference to Fig. 4, the adjusting assembly 2 comprises a fixed sleeve 21 and a threaded sleeve 22, the fixed sleeve 21 is arranged close to the inner side wall of the box body 1, and the threaded sleeve 22 is arranged close to the box door 11. The sliding sleeve 13 is provided with a threaded section 131 at one end close to the box door 11, the threaded sleeve 22 is threadedly connected to the threaded section 131 of the sliding sleeve 13, and the fixed sleeve 21 is detachably and washably connected to the sliding sleeve 13.

[0043] With reference to Fig. 4, when the operator needs to print label paper of different widths, the operator can open the box door 11 and then rotate the threaded sleeve 22 to adjust the distance between the threaded sleeve 22 and the fixed sleeve 21, so as to adapt to different types of label paper.

[0044] With reference to Fig. 1, Fig. 4 and Fig. 5, the fixed sleeve 21 and the threaded sleeve 22 are fixedly connected with tapered abutting tables 23, and the tapered abutting tables 23 are oppositely arranged in small diameters, the tapered abutting table 23 close to the inner side wall of the box body 1 is arranged on the fixed sleeve 21, and the tapered abutting table 23 close to the box door 11 is arranged on the threaded sleeve 22. The tapered abutting tables 23 are provided with placing ring grooves 231 close to small ends, the contact sensor rings 232 are sleeved in the placing ring grooves 231, and the contact sensor rings 232 are electrically connected to the control platform 14.

[0045] Referring to FIG. 1, FIG. 4 and FIG. 5, the conical abutment table 23 is fixedly sleeved at both ends of the fixed sleeve 21 and the threaded sleeve 22 respectively, and is oppositely arranged, and the label paper is located between the two conical abutment tables 23. When the label paper deviates during transmission, the label paper will cover the contact sensor ring 232, and then the contact sensor ring 232 sends an electrical signal to the control platform 14, and then the control platform 14 sends an electrical signal to the servo motor 43, so that the pressing plate 311 moves, thereby adjusting the position of the label paper.

[0046] Referring to FIG. 2, FIG. 4 and FIG. 6, the synchronous assembly 3 further comprises a limiting plate 33, and the two ends of the baffle 31 are fixedly connected with torsion spring hinges 32, and the other ends of the torsion spring hinges 32 are also fixedly connected on the baffle 31 by screws. The baffle 31 and the limiting plate 33 are both provided with semicircular grooves, and the sliding sleeve 13 and the fixed sleeve 21 are both provided with limiting grooves 24 at one end close to the conical abutment table 23, and the two semicircular grooves are combined into a whole circular groove clamped in the limiting groove 24.

[0047] Referring to FIG. 2, FIG. 4 and FIG. 6, the limiting groove 24 is provided to enable the synchronous assembly 3 to be accurately installed on the sliding sleeve 13 and the fixed sleeve 21. The combined design of the semicircular grooves provided on the limiting plate 33 and the baffle 31 not only enhances the connection strength between the limiting plate 33 and the baffle 31, but also ensures the stability of the whole synchronous assembly 3 during work.

[0048] Referring to FIG. 7 to FIG. 9, the pressing plate 311 close to one side of the inner side wall of the box body 1 is provided with a placing groove 312, and the other pressing plate 311 is provided with a connecting groove 313. The placing groove 312 and the connecting groove 313 are located on opposite sides of the driving assembly 4. The placing groove 312 is fixedly connected with a unwinding box 5, the unwinding box 5 is rotatably connected with an unwinding shaft 51, the fixed sleeve 21 on the unwinding shaft 51 is provided with a supporting cloth 52 and a coil spring 53, the other end of the supporting cloth 52 away from the unwinding shaft 51 is fixedly connected with a second magnet 56, the connecting groove 313 is embedded with a first magnet 55, and the width of the second magnet 56 is greater than the width of the arrangement groove 54, and the unwinding box 5 is provided with an arrangement groove 54 for the supporting cloth 52 and the coil spring 53 to pass through.

[0049] Referring to FIG. 7 to FIG. 9, when printing and processing different models of label paper, the operator needs to adjust the distance between the threaded sleeve 22 and the fixed sleeve 21 through the threaded sleeve 22, so that the deviation correcting device adapts to different models of label paper, and at this time the distance between the two pressing plates 311 will increase to generate a gap. At this time, the operator pulls the second magnet 56 to make it attract the first magnet 55 in the connecting groove 313, and in this process, the coil spring 53 and the supporting cloth 52 are driven, so that the supporting cloth 52 covers the gap between the two pressing plates 311. Thus, the possibility of damage to the label paper due to the hollowing during printing is avoided, and the printing efficiency of the label paper is improved.

[0050] Referring to FIG. 3, the L-shaped support plate 45 is fixedly connected to the pressing plate 311 close to the inner side wall of the box body 1, and the support groove 411 is formed in the rack 41 and is in sliding fit with the L-shaped support plate 45. When the gear 42 is driven to rotate by the servo motor 43, the rigidity of the rack 41 can be improved by the L-shaped support plate 45, and when the pressing plate 311 moves, the L-shaped support plate 45 moves with the pressing plate 311, so that the support point of the L-shaped support plate 45 on the rack 41 also changes, thereby further ensuring the stability of the deviation rectifying device.

[0051] Referring to FIGS. 2 and 3, the drying box 6 is fixedly connected in the box body 1 and is located at the downstream of the label printer, the electric heating rod 61 in the drying box 6 is electrically connected to the control platform 14.

[0052] Referring to FIGS. 2 and 3, the electric heating rod 61 in the drying box 6 can quickly heat to rapidly dry the ink on the label paper. At the same time, the electric heating rod 61 is electrically connected to the control platform 14, and the operator can adjust the heating temperature and time according to the actual needs to realize precise control.

[0053] The plurality of tensioning rollers 7 can apply uniform tension to the label paper when it passes through to prevent the label paper from deviating due to slackness or tightness. At the same time, these tensioning rollers 7 are staggered in the horizontal direction, which further improves the stability of the label paper at different positions and reduces the lateral deviation of the label paper during the transmission process.

[0054] The implementation principle of the deviation rectifying device of the label printer according to the embodiment is as follows:

[0055] When the label paper deviates during the transmission, the label paper covers the contact sensor ring 232 on the conical table, and then the contact sensor ring 232 sends an electric signal to the control platform 14, and the control platform 14 sends an electric signal to the servo motor 43.

[0056] At this time, the servo motor 43 is started to drive the gear 42 to rotate, and under the meshing state of the gear 42 and the rack 41 and the fixed condition of the rack 41, the pressing plate 311 makes the sliding sleeve 13 slide on the support rod 12 under the action of the synchronous assembly 3, thereby adjusting the position of the label paper.

[0057] When different models of label paper need to be printed and processed, the operator can rotate the threaded sleeve 22 to move away from the fixed sleeve 21, thereby adjusting the gap between the two, so that the deviation rectifying device adapts to different models of label paper and improves the adaptability.

[0058] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A label printer's deviation rectifying device, characterized in that, The utility model relates to a cabinet, including box (1) and hinge on the box door (11) of box (1), the box (1) is equipped with two support rods (12) in, the support rod (12) is slidably sleeved with sliding sleeve (13) on, the sliding sleeve (13) is slidably sleeved with adjusting assembly (2) on, the both ends of adjusting assembly (2) are equipped with synchronous assembly (3), the synchronous assembly (3) includes baffle (31), the opposite side of baffle (31) is equipped with pressing plate (311) all, the pressing plate (311) below away from the box door (11) is equipped with drive assembly (4), drive assembly (4) includes fixedly connected on the inner side wall of box (1) on rack (41), the gear (42) of rotation connection on pressing plate (311) and the servo motor (43) of drive gear (42) rotation, the servo motor (43) is fixed on pressing plate (311) through connecting plate (44), the box door (11) is equipped with control platform (14), the servo motor (43) is electrically connected to control platform (14).

2. A label printer deviation correction device according to claim 1, wherein Adjusting assembly (2) includes fixed sleeve (21) and threaded sleeve (22), the threaded section (131) is seted up on the one end of sliding sleeve (13) near box door (11), threaded sleeve (22) is screwed with threaded section (131) on sliding sleeve (13), the fixed sleeve (21) is detachably connected on the one end of sliding sleeve (13) away from box door (11).

3. A label printer deviation correction device according to claim 2, wherein, The fixed sleeve (21) and threaded sleeve (22) are sleeved with taper abutment station (23) all, the small diameter of taper abutment station (23) is oppositely arranged, and the small diameter end of taper abutment station (23) is provided with a placing ring groove (231), the contact sensor ring (232) is sleeved in the placing ring groove (231), the contact sensor ring (232) is electrically connected to control platform (14).

4. A label printer deviation correction device according to claim 2, wherein The synchronous assembly (3) further includes a limiting plate (33), both ends of the baffle (31) are provided with a torsion spring hinge (32), one end of the torsion spring hinge (32) is fixedly connected to the baffle (31), the other end is fixedly connected to the limiting plate (33), both ends of the sliding sleeve (13) and the fixed sleeve (21) are provided with a limiting groove (24) near the taper abutment station (23), the limiting plate (33) and the baffle (31) are provided with a semicircular groove, and the two semicircular grooves are combined into a whole circular groove and are clamped in the limiting groove (24).

5. A label printer deviation correction device as claimed in claim 1, wherein, One of the pressing plates (311) is provided with a placing groove (312) on the side away from the driving assembly (4), the placing groove (312) is provided with a unwinding box (5), the unwinding box (5) is rotatably connected with a unwinding shaft (51), the unwinding shaft (51) is provided with a supporting cloth (52) and a winding spring (53), the winding spring (53) is fixedly connected with the supporting cloth (52), the unwinding box (5) is provided with a arrangement groove (54) for the supporting cloth (52) and the winding spring (53), the other pressing plate (311) is provided with a connecting groove (313), the connecting groove (313) is embedded with a first magnet (55), the supporting cloth (52) is fixedly connected with a second magnet (56) on the end away from the unwinding shaft (51), the width of the second magnet (56) is greater than the width of the arrangement groove (54).

6. A label printer deviation correction device according to claim 1, wherein The pressing plate (311) away from the box door (11) is provided with an L-shaped supporting plate (45), the rack (41) is provided with a supporting groove (411) on the side away from the pressing plate (311), and the L-shaped supporting plate (45) is slidably connected in the supporting groove (411).

7. A label printer deviation correction device as claimed in claim 1, wherein, The downstream of the box body (1) is provided with a drying box (6), the drying box (6) is provided with an electric heating rod (61), and the electric heating rod (61) is electrically connected to the control platform (14).

8. A label printer deviation correction device according to claim 1 wherein, The synchronous assembly (3) is provided with a plurality of tensioning rollers (7) at both ends, the tensioning rollers (7) are rotatably connected to the inner side wall of the box body (1), and the plurality of tensioning rollers (7) are staggered arranged along the horizontal direction.

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