Label printing machine tensioning structure convenient for placing paper

Abstract

The utility model relates to the technical field of printing machines, in particular to a label printing machine tensioning structure convenient for placing paper, which comprises a rack, a fixing frame, a wind-up roller, a mounting frame, a support plate, a mounting roller and an ink jet mechanism, the mounting roller is rotationally connected with the rack, the rack is provided with a driving assembly a which is in transmission connection with the mounting roller, the winding roller is rotationally connected with the rack, the rack is provided with a driving assembly b, and the driving assembly b is in transmission connection with the winding roller; the supporting plate is connected with the rack, the fixing frame is connected with the rack, and the ink-jet mechanism is connected with the fixing frame. The number of the mounting frames is two, the two mounting frames are slidably connected with the fixing frame, the two mounting frames are rotationally provided with tensioning wheels, and the fixing frame is provided with a moving mechanism used for driving the mounting frames to move. During installation, only the end of the paper needs to penetrate through the fixing frame, the paper does not need to be wound around the tensioning wheels and the supporting plate for multiple times, operation and use are easy, the tensioning wheels on the two sides press the paper on the supporting plate, and the paper is kept flat during printing.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field, concretely is a label printing machine tension structure convenient to put into paper. BACKGROUND

[0002] Label printing machine is also called adhesive printing machine, and it is a mechanical equipment for printing labels and trademarks. Label printing and label equipment manufacturing absorb the advantages of various printing technologies, and gradually form a relatively independent system to adapt to the diversified development of label application field. The printing machine is designed according to the needs of different users, and the inkjet technology can be used to select different formats, different color groups, different configurations, which can meet the needs of different grades of users from high-end to low-end.

[0003] The Chinese patent with the authorization announcement number CN221777205U discloses a label printing machine tension structure convenient to put into paper, which comprises a printing machine frame and two tension rollers. The inside of the printing machine frame is provided with two flat plates, and the outside of the printing machine frame is provided with a fixing mechanism. The fixing mechanism comprises two mounting boxes. The label printing machine tension structure convenient to put into paper realizes the rotation of the two lead screws by using the motor as the driving source and through the mechanical transmission control, so that the transmission part connected with the outer surface of the lead screw moves downward, and then the rack in the transmission part drives the gear ring to rotate, so as to turn over the two fixing parts. Therefore, the staff can place the paper on the top of the two flat plates from top to bottom when putting in the paper, so as to avoid the bending of the paper during the placing process, and the printing effect of the label printing machine on the paper is guaranteed.

[0004] However, the above technical solution has the following defects: in the above label printing machine tension structure, the two tension rollers press the surface of the paper, and when the paper is installed offset, the part between the two tension rollers is wrinkled, causing illegal printing, which is inconvenient to use. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art, and provides a label printing machine tension structure convenient to put into paper.

[0006] The technical scheme of the utility model is a label printing machine tension structure convenient to put into paper, which comprises a rack, a fixing frame, a winding roller, a mounting frame, a supporting plate, a mounting roller and an inkjet mechanism.

[0007] The mounting roller is rotationally connected with the rack, the rack is provided with a driving assembly a, the driving assembly a is transmissionally connected with the mounting roller, the winding roller is rotationally connected with the rack, and the rack is provided with a driving assembly b.

[0008] The support plate is connected with the frame, the support plate is located between the mounting roller and the winding roller, the fixing frame is connected with the frame, the fixing frame is located above the support plate, and the ink jet mechanism is connected with the fixing frame;

[0009] The two mounting frames are both slidingly connected with the fixing frame, the two mounting frames are provided with tensioning wheels which are rotationally arranged on the two mounting frames and symmetrically distributed on the two sides of the support plate, and the fixing frame is provided with a moving mechanism for driving the mounting frame to move.

[0010] Preferably, the moving mechanism comprises a gear, a mounting shaft and a worm gear.

[0011] The mounting shaft is rotationally connected with the fixing frame, the gear is provided with two and connected with the mounting shaft, and the gear is in meshing connection with the corresponding gear rack.

[0012] The worm gear is connected with the mounting shaft, the fixing frame is rotationally provided with a worm, the fixing frame is provided with a driving motor and in transmission connection with the worm, and the worm is in meshing connection with the worm gear.

[0013] Preferably, the tensioning wheel is provided with a rotating shaft, and the rotating shaft is coaxially distributed with the tensioning wheel.

[0014] The two ends of the rotating shaft are both provided with mounting blocks, the two ends of the mounting frame are both provided with sliding grooves, and the mounting blocks are in sliding fit connection with the corresponding sliding grooves.

[0015] The two ends of the rotating shaft are both provided with mounting blocks, the two ends of the mounting frame are both provided with sliding grooves, and the mounting blocks are in sliding fit connection with the corresponding sliding grooves.

[0016] Preferably, the support plate is an upwardly convex arc-shaped plate.

[0017] Preferably, the mounting frame is in inverted U-shaped projection, the two ends of the tensioning wheel are rotationally connected with the two ends of the mounting frame, the fixing frame is provided with a mounting hole, and the two ends of the mounting frame are in sliding fit connection with the mounting hole.

[0018] Preferably, the ink jet mechanism is slidingly connected with the fixing frame, and the fixing frame is provided with a hydraulic cylinder for adjusting the height of the ink jet mechanism.

[0019] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0020] 1. In the utility model, only the paper end needs to be passed through the fixing frame during installation, and the paper does not need to be wound around the tensioning wheel and the support plate for multiple times, so that the operation and use are simple, and the paper is pressed on the support plate by the two tensioning wheels, so that the paper is kept flat during printing.

[0021] 2. In the utility model, the driving motor is started to drive the worm to rotate, the worm drives the worm gear and the mounting shaft to rotate, the mounting shaft drives the two gears at the two ends to rotate, the gears are in meshing connection with the corresponding gear racks, the mounting frame can be driven to slide on the fixing frame, and the height of the tensioning wheel can be further adjusted.

[0022] 3. In this utility model, the tensioning wheel presses against the surface of the paper, and the spring is compressed, so that the tensioning wheel has a certain adjustment range, preventing the two tensioning wheels from pressing too hard and damaging the paper. Attached Figure Description

[0023] Figure 1 This is a perspective view of a tensioning structure for a label printing machine that facilitates the insertion of paper, as proposed in this utility model.

[0024] Figure 2 This is a perspective view of another embodiment of the present invention.

[0025] Figure 3 This is a schematic diagram of a tensioning structure for a label printing machine that facilitates the insertion of paper, as proposed in this utility model.

[0026] Figure 4 for Figure 2 A schematic diagram of the internal structure at point A.

[0027] Reference numerals in the attached drawings: 1. Frame; 2. Fixing frame; 3. Take-up roller; 4. Mounting frame; 5. Rack; 6. Tensioner; 7. Support plate; 8. Gear; 9. Mounting shaft; 10. Worm gear; 11. Drive motor; 12. Worm; 13. Drive assembly b; 14. Drive assembly a; 15. Mounting roller; 16. Spring; 17. Inkjet mechanism; 18. Mounting block; 19. Rotating shaft. Detailed Implementation

[0028] Example 1

[0029] like Figures 1-4 As shown, the present invention proposes a tensioning structure for a label printing machine that facilitates the loading of paper, including a frame 1, a fixing frame 2, a take-up roller 3, a mounting frame 4, a support plate 7, a mounting roller 15, and an inkjet mechanism 17.

[0030] Mounting roller 15 is rotatably connected to frame 1. Frame 1 is provided with drive assembly a14. Drive assembly a14 is connected to mounting roller 15. Take-up roller 3 is rotatably connected to frame 1. Frame 1 is provided with drive assembly b13. Drive assembly b13 is connected to take-up roller 3.

[0031] Support plate 7 is connected to frame 1. Support plate 7 is located between mounting roller 15 and take-up roller 3. Fixed frame 2 is connected to frame 1. Fixed frame 2 is located above support plate 7. Inkjet mechanism 17 is connected to fixed frame 2.

[0032] Furthermore, the support plate 7 is an upwardly convex arc-shaped plate;

[0033] Furthermore, the inkjet mechanism 17 is slidably connected to the fixing frame 2, and the fixing frame 2 is provided with a hydraulic cylinder for adjusting the height of the inkjet mechanism 17;

[0034] The mounting frame 4 is provided with two, both of which are slidingly connected with the fixed frame 2, and the two mounting frames 4 are rotatably provided with the tensioning wheels 6 which are symmetrically distributed on both sides of the supporting plate 7; the fixed frame 2 is provided with a moving mechanism for driving the mounting frame 4 to move.

[0035] Further, the mounting frame 4 is in the shape of an inverted U, the two ends of the tensioning wheel 6 are rotatably connected with the two ends of the mounting frame 4, the fixed frame 2 is provided with a mounting hole, and the two ends of the mounting frame 4 are slidingly connected with the mounting hole.

[0036] In the utility model, the paper roll is installed on the installation roller 15, the paper end is connected with the winding roller 3 through the supporting plate 7, the moving mechanism is started to drive the mounting frame 4 and the tensioning wheel 6 to descend and press on the paper surface, the two tensioning wheels 6 press the paper on the surface of the supporting plate 7, the ink jet mechanism 17 prints the paper below, and the winding roller 3 and the installation roller 15 rotate to drive the paper to move and print; in the utility model, the paper end only needs to pass through the fixed frame 2 during installation, and the paper does not need to pass through the tensioning wheel and the supporting plate 7 for many times, so that the operation and use are simple, the two tensioning wheels 6 press the paper on the supporting plate 7, and the paper is kept flat during printing.

[0037] Embodiment two

[0038] As shown in the figure, the utility model discloses a label printing machine tensioning structure convenient to put paper, compared with embodiment one, the moving mechanism in this embodiment comprises a gear 8, an installation shaft 9 and a worm wheel 10. Figures 2-3 The mounting frame 4 is provided with a rack 5, the installation shaft 9 is rotatably connected with the fixed frame 2, the gear 8 is provided with two and is connected with the installation shaft 9, and the gear 8 is meshed with the corresponding rack 5.

[0039] The worm wheel 10 is connected with the installation shaft 9, the fixed frame 2 is rotatably provided with a worm 12, the fixed frame 2 is provided with a driving motor 11 and is drivingly connected with the worm 12, and the worm 12 is meshed with the worm wheel 10.

[0040] In the embodiment, the driving motor 11 is started to drive the worm 12 to rotate, the worm 12 drives the worm wheel 10 and the installation shaft 9 to rotate, the installation shaft 9 drives the two gears 8 to rotate, the gear 8 is meshed with the corresponding rack 5, and the mounting frame 4 can slide on the fixed frame 2, and the height of the tensioning wheel 6 can be adjusted.

[0041] Embodiment three

[0042] As shown in the figure, the utility model discloses a label printing machine tensioning structure convenient to put paper, compared with embodiment one, the tensioning wheel 6 is provided with a rotating shaft 19 in this embodiment, and the rotating shaft 19 is coaxially distributed with the tensioning wheel 6.

[0043] Figure 4

[0044] ​​Both ends of the rotating shaft 19 are provided with mounting blocks 18, both ends of the mounting frame 4 are provided with sliding grooves, and the mounting blocks 18 are in sliding fit connection with the corresponding sliding grooves.

[0045] Both ends of the rotating shaft 19 are provided with mounting blocks 18, both ends of the mounting frame 4 are provided with sliding grooves, and the mounting blocks 18 are in sliding fit connection with the corresponding sliding grooves.

[0046] In the embodiment, the tensioning wheels 6 press the surface of the paper, the springs 16 are compressed, the tensioning wheels 6 have a certain adjustment range, and the two tensioning wheels 6 are prevented from being pressed too tightly to damage the paper.

[0047] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. A tensioning structure for a label printing machine that facilitates paper loading, characterized in that, It includes a frame (1), a fixed frame (2), a take-up roller (3), a mounting frame (4), a support plate (7), a mounting roller (15), and an inkjet mechanism (17); The mounting roller (15) is rotatably connected to the frame (1). The frame (1) is provided with a drive assembly a (14). The drive assembly a (14) is connected to the mounting roller (15) via transmission. The take-up roller (3) is rotatably connected to the frame (1). The frame (1) is provided with a drive assembly b (13). The drive assembly b (13) is connected to the take-up roller (3) via transmission. The support plate (7) is connected to the frame (1), and the support plate (7) is located between the mounting roller (15) and the take-up roller (3). The fixed frame (2) is connected to the frame (1), and the fixed frame (2) is located above the support plate (7). The inkjet mechanism (17) is connected to the fixed frame (2). There are two mounting brackets (4), and both mounting brackets (4) are slidably connected to the fixed bracket (2). Tensioning wheels (6) are rotatably mounted on the two mounting brackets (4). The two tensioning wheels (6) are symmetrically distributed on both sides of the support plate (7). The fixed bracket (2) is equipped with a moving mechanism for driving the mounting brackets (4) to move.

2. The label printing machine tensioning structure for easy paper loading according to claim 1, characterized in that, The moving mechanism includes a gear (8), a mounting shaft (9), and a worm gear (10); Each mounting bracket (4) is equipped with a rack (5), the mounting shaft (9) is rotatably connected to the fixing bracket (2), and there are two gears (8) connected to the mounting shaft (9). The gears (8) mesh with the corresponding racks (5). The worm gear (10) is connected to the mounting shaft (9), the fixed frame (2) is rotatably equipped with a worm (12), the fixed frame (2) is equipped with a drive motor (11) and is connected to the worm (12) for transmission, and the worm (12) is meshed with the worm gear (10).

3. The label printing machine tensioning structure for easy paper loading according to claim 1, characterized in that, The tensioning wheel (6) is provided with a rotating shaft (19), which is coaxial with the tensioning wheel (6); Both ends of the rotating shaft (19) are provided with mounting blocks (18), and both ends of the mounting bracket (4) are provided with sliding grooves. The mounting blocks (18) are slidably connected to the corresponding sliding grooves. Both mounting blocks (18) are equipped with springs (16) at their upper ends, and the other end of the springs (16) is connected to the end of the corresponding slide groove.

4. The label printing machine tensioning structure for facilitating paper loading according to claim 1, characterized in that, The support plate (7) is an upwardly convex arc-shaped plate.

5. The label printing machine tensioning structure for easy paper loading according to claim 1, characterized in that, The projected shape of the mounting bracket (4) is an inverted U-shape. The tensioning wheel (6) is rotatably connected to both ends of the mounting bracket (4). The fixing bracket (2) is provided with mounting holes, and the two ends of the mounting bracket (4) are slidably connected to the mounting holes.

6. The label printing machine tensioning structure for facilitating paper loading according to claim 1, characterized in that, The inkjet mechanism (17) is slidably connected to the fixing frame (2), and the fixing frame (2) is equipped with a hydraulic cylinder for adjusting the height of the inkjet mechanism (17).

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