Anti-shifting and winding device for digital printing machine

Abstract

The utility model relates to digital printing machine field, specifically disclose a kind of anti-migration dyeing winding device of digital printing machine, it include: rack;Drying assembly is installed on rack, and drying assembly includes heating mechanism and negative pressure suction mechanism;Wherein, negative pressure suction mechanism includes drying roller, apron, connecting pipe and center tube, cloth is passed from first guide roller, after passing through between arc shell and drying roller from the lower side of the second guide roller of left side lower side, finally, after passing through the lower side of the second guide roller of right side, it is wound on winding roller, so that cloth is covered on the upper half portion of drying roller, with winding roller winding, cloth conveying, drying roller rotates accordingly, during this period, air pump starts suction, so that negative pressure is formed in negative pressure chamber, then air between arc shell and drying roller passes through after heating of heating pipe and enters negative pressure chamber in fabric, to further dry fabric, to reduce moisture in fabric, to avoid dye migration phenomenon on fabric.

Description

Technical Field

[0001] This utility model relates to the field of digital printing machines, specifically to an anti-dye migration winding device for digital printing machines. Background Technology

[0002] Digital printing technology is increasingly widely used in the textile printing and dyeing industry. However, in the post-printing process, the fabric needs to be pre-dried, then temporarily rolled up, and finally thoroughly dried and fixed.

[0003] Traditional drying methods often use hot air, which only radiates heat to the surface of the fabric. This results in low heat utilization and incomplete drying, leading to insufficient removal of moisture from the fabric. During winding and storage, residual moisture can cause dye migration and smudging, severely affecting the clarity of printed patterns and product quality. Some existing improved devices attempt to improve the drying effect by increasing the temperature or extending the drying time, but this not only increases energy consumption but may also cause fabric deformation or changes in dye properties. Utility Model Content

[0004] The purpose of this invention is to provide an anti-dye migration winding device for a digital printing machine, which overcomes the above-mentioned defects in the prior art.

[0005] According to the present invention, a digital printing machine anti-dye migration winding device includes: frame; A drying assembly is mounted on a frame, and the drying assembly includes a heating mechanism and a negative pressure suction mechanism; The negative pressure suction mechanism includes a drying roller, a baffle plate, a connecting pipe, and a central pipe. The central pipe is mounted on the frame and rotatably connected to the frame. The central pipe passes through the drying roller along its axis and is fixedly connected to it. The drying roller is located below the heating mechanism. The drying roller has a hollow interior forming a negative pressure chamber. A through-hole ventilation groove is opened on the peripheral wall of the central pipe. Multiple through-hole suction holes are clamped on the peripheral wall of the drying roller. A baffle plate that rotates relative to the central pipe is installed in the negative pressure chamber. The center of gravity of the baffle plate is located below the central pipe and is used to cover the suction holes located below the central pipe. A sealing block is embedded in one end of the central pipe. A connecting pipe is rotatably connected to the other end of the central pipe. The connecting pipe is connected to a vacuum pump. The fabric passes between the heating mechanism and the negative pressure suction mechanism. The take-up roller, mounted on the frame and located behind the drying unit, is used to take up the fabric.

[0006] Preferably, the heating mechanism includes an arc-shaped housing, a connecting rod, and heating tubes. The arc-shaped housing is arc-shaped, and multiple heating tubes are provided and fixed on the arc-shaped housing. The connecting rod is fixed on the arc-shaped housing and fixed on the frame. The distance between the multiple heating tubes and the drying roller is consistent.

[0007] Preferably, sleeves fitted onto the central tube are fixedly provided on both the left and right side walls of the negative pressure chamber. The sleeves are fixedly connected to the central tube, and rotating rings are rotatably connected to the sleeves. Both ends of the baffle are fixed to the rotating rings. The baffle is arc-shaped, and the distance between the outer periphery of the baffle and the inner wall of the negative pressure chamber is 1mm-3mm.

[0008] Preferably, the take-up roller has roller shafts fixed at both ends, and fixed seats are provided on both the left and right sides of the take-up roller. The fixed seats are fixed on the frame, and a U-shaped bearing seat is fixed on the fixed seat. Multiple support wheels are rotatably connected inside the bearing seat, and the roller shaft can be inserted into the bearing seat and abut against the multiple support wheels.

[0009] Preferably, a driven gear is fixed to the right end of the right roller shaft, a base is fixed on the frame, the base is located to the right of the take-up roller, a motor is fixed on the base, a drive gear is fixed to the output shaft of the motor, and the outer circumference of the drive gear meshes with the driven gear.

[0010] Preferably, the frame is equipped with a first guide roller located in front of the drying component and a second guide roller located below the drying component. There are two second guide rollers, which are symmetrically arranged with the drying component as the center.

[0011] The beneficial effects of this utility model are as follows: the fabric passes over the first guide roller, then under the second guide roller on the left, and passes between the arc-shaped shell and the drying roller. Finally, it passes under the second guide roller on the right and is wound onto the take-up roller, so that the fabric covers the upper half of the drying roller. As the take-up roller winds up, the fabric is conveyed, and the drying roller rotates accordingly. During this period, the air pump is started to draw air, so that a negative pressure is formed in the negative pressure chamber. The air between the arc-shaped shell and the drying roller is heated by the heating tube and then passes through the fabric into the negative pressure chamber, thereby further drying the fabric, reducing the moisture in the fabric, and thus preventing the dye from migrating on the fabric. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a utility model Figure 2 A diagram of AA in the middle; Figure 4 This is a utility model Figure 3 Enlarged view of point D; Figure 5 This is a utility model Figure 2 A schematic diagram of BB; Figure 6 This is a utility model Figure 5Enlarged view of point E in the middle; Figure 7 This is a utility model Figure 2 A schematic diagram of CC in the middle; Figure 8 This is a utility model Figure 7 Enlarged diagram at point F; Figure 9 This is a utility model Figure 7 Enlarged diagram of point G in the middle.

[0013] In the picture: 10. Frame; 20. First guide roller; 22. Second guide roller; 24. Take-up roller; 25. Driven gear; 30. Motor; 31. Drive gear; 32. Base; 40. Arc-shaped housing; 41. Connecting rod; 42. Heating tube; 50. Drying roller; 501. Negative pressure chamber; 51. Connecting tube; 52. Central tube; 53. Sheath; 54. Sleeve; 55. Rotating ring; 56. Suction hole; 57. Ventilation groove; 58. Sealing block; 60. Fixed seat; 61. Support wheel; 62. Shaft seat; 63. Roller shaft. Detailed Implementation

[0014] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the appendix. Figure 1 The orientations or positional relationships shown are merely simplified descriptions for the convenience of describing this utility model, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0015] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific implementations of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model. As used herein, the terms up / down and left / right are not limited to their strict geometric definitions, but rather include tolerances for reasonable and inconsistent machining or human errors. The specific features of the anti-migration winding device for a digital printing machine are described in detail below: One embodiment of this utility model: Reference Figures 1-9 This utility model provides an anti-dye migration winding device for a digital printing machine, comprising: Rack 10; A drying assembly is mounted on the frame 10. The drying assembly includes a heating mechanism and a negative pressure suction mechanism. The negative pressure suction mechanism includes a drying roller 50, a baffle plate 53, a connecting pipe 51, and a central pipe 52. The central pipe 52 is mounted on the frame 10 and rotatably connected to the frame 10. The central pipe 52 passes through the drying roller 50 along its axis and is fixedly connected to it. The drying roller 50 is located below the heating mechanism. The drying roller 50 is hollow inside to form a negative pressure chamber 501. A through ventilation groove 57 is opened on the peripheral wall of the central pipe 52. Multiple through suction holes 56 are clamped on the peripheral wall of the drying roller 50. A baffle plate 53 is installed in the negative pressure chamber 501 and rotates relative to the central pipe 52. The center of gravity of the baffle plate 53 is located below the central pipe 52 and is used to cover the suction holes 56 located below the central pipe 52. A sealing block 58 is embedded in one end of the central pipe 52. The other end of the central pipe 52 is rotatably connected to the connecting pipe 51. The connecting pipe 51 is connected to the air pump. The fabric passes between the heating mechanism and the negative pressure suction mechanism. The take-up roller 24 is mounted on the frame 10 and located behind the drying assembly (i.e. downstream in the fabric travel direction) for taking up the dried fabric.

[0016] Specifically, the heating mechanism includes an arc-shaped housing 40, a connecting rod 41, and heating tubes 42. The arc-shaped housing 40 is arc-shaped. Multiple heating tubes 42 are provided and fixed on the arc-shaped housing 40. The connecting rod 41 is fixed on the arc-shaped housing 40 and fixed on the frame 10. The spacing between the multiple heating tubes 42 and the drying roller 50 is consistent to ensure that the heat is evenly radiated to the fabric surface.

[0017] Specifically, sleeves 54 are fixedly installed on both the left and right side walls of the negative pressure chamber 501 and are sleeved on the central tube 52. The sleeves 54 are fixedly connected to the central tube 52, and rotating rings 55 are rotatably connected to the sleeves 54. The two ends of the baffle 53 are fixed on the rotating rings 55 respectively. The baffle 53 is arc-shaped, and the distance between the outer periphery of the baffle 53 and the inner wall of the negative pressure chamber 501 is 1mm-3mm. The baffle 53 can cover and block the air suction hole 56 located on the lower side of the central tube 52, ensuring that the negative pressure only acts on the upper half of the drying roller 50, that is, the area in contact with the fabric, thereby increasing the suction force of the air suction hole 56 located on the upper side of the central tube 52, thereby increasing the flow rate of the airflow through the fabric and improving the drying effect of the fabric.

[0018] Specifically, the take-up roller 24 has roller shafts 63 fixed at both ends, and fixed seats 60 are provided on both the left and right sides of the take-up roller 24. The fixed seats 60 are fixed on the frame 10. A U-shaped bearing seat 62 is fixed on the fixed seat 60. Multiple support wheels 61 are rotatably connected inside the bearing seat 62. The roller shaft 63 can be inserted into the bearing seat 62 and abut against the multiple support wheels 61.

[0019] Specifically, a driven gear 25 is fixed to the right end of the right roller 63, and a base 32 is fixed on the frame 10. The base 32 is located on the right side of the take-up roller 24, and a motor 30 is fixed on the base 32. A drive gear 31 is fixed to the output shaft of the motor 30. The outer circumference of the drive gear 31 meshes with the driven gear 25. In this embodiment, the speed direction of the meshing position of the drive gear 31 and the driven gear 25 is downward, so that the drive gear 31 exerts downward pressure on the outer circumference of the driven gear 25, thereby improving the connection stability of the roller 63 in the bearing 62 and ensuring the smooth winding process of the take-up roller 24.

[0020] Specifically, the frame 10 is equipped with a first guide roller 20 located in front of the drying component and a second guide roller 22 located below the drying component. There are two second guide rollers 22, which are symmetrically arranged with the drying component as the center. They are used to change the direction of the fabric so that it tightly wraps around the upper part of the drying roller 50.

[0021] When this utility model is in use, after the fabric is output from the digital printing machine, it passes over the upper side of the first guide roller 20, passes under the second guide roller 22 on the front side, passes between the arc-shaped housing 40 and the drying roller 50, and finally passes over the second guide roller 22 on the rear side and is wound onto the take-up roller 24.

[0022] After the motor 30 starts, it drives the drive gear 31 to rotate, which in turn causes the driven gear 25 to rotate, thereby driving the take-up roller 24 to rotate, so that the fabric is taken up on it.

[0023] During this process, the heating tube 42 is energized to heat the air between the arc-shaped housing 40 and the drying roller 50. The air pump connected to the connecting pipe 51 is started to draw air, so that a negative pressure is formed in the negative pressure chamber 501. This causes the hot air between the arc-shaped housing 40 and the drying roller 50 to pass through the fabric and be drawn into the negative pressure chamber 501 through the air suction hole 56. The hot air passing through the fabric further improves the drying degree of the fabric after printing and avoids the dye migration phenomenon on the fabric.

[0024] Those skilled in the art will appreciate that various modifications to the above embodiments can be made without departing from the overall spirit and concept of this utility model. All such modifications fall within the protection scope of this utility model. The protection scheme of this utility model is defined by the appended claims.

Claims

1. A dye migration prevention winding device for a digital printing machine, characterized in that, include: Rack (10); A drying assembly is mounted on a frame (10), the drying assembly including a heating mechanism and a negative pressure suction mechanism; The negative pressure suction mechanism includes a drying roller (50), a baffle plate (53), a connecting pipe (51), and a central pipe (52). The central pipe (52) is mounted on the frame (10) and rotatably connected to the frame (10). The central pipe (52) passes through the drying roller (50) along its axis and is fixedly connected to it. The drying roller (50) is located below the heating mechanism. The drying roller (50) has a hollow interior forming a negative pressure chamber (501). A through-hole ventilation groove (57) is provided on the peripheral wall of the central pipe (52). Multiple through-holes (56) are provided on the peripheral wall of the roller (50). A baffle (53) that rotates relative to the central tube (52) is provided in the negative pressure chamber (501). The center of gravity of the baffle (53) is located on the lower side of the central tube (52) and is used to cover the air holes (56) located on the lower side of the central tube (52). A sealing block (58) is embedded in one end of the central tube (52). A connecting pipe (51) is rotatably connected to the other end of the central tube (52). The connecting pipe (51) is connected to the air pump. The fabric passes through the heating mechanism and the negative pressure suction mechanism. The take-up roller (24), mounted on the frame (10) and located behind the drying assembly, is used to take up the fabric.

2. The anti-dye migration winding device for a digital printing machine according to claim 1, characterized in that, The heating mechanism includes an arc-shaped housing (40), a connecting rod (41), and heating tubes (42). The arc-shaped housing (40) is arc-shaped. Multiple heating tubes (42) are provided and fixed on the arc-shaped housing (40). The connecting rod (41) is fixed on the arc-shaped housing (40) and fixed on the frame (10). The distance between the multiple heating tubes (42) and the drying roller (50) is consistent.

3. The anti-dye migration winding device for a digital printing machine according to claim 1, characterized in that, The negative pressure chamber (501) has sleeves (54) fixed on both sides of the left and right side walls, which are sleeved on the central tube (52). The sleeves (54) are fixedly connected to the central tube (52). A rotating ring (55) is rotatably connected to the sleeves (54). The two ends of the baffle (53) are fixed on the rotating ring (55). The baffle (53) is arc-shaped. The distance between the outer periphery of the baffle (53) and the inner wall of the negative pressure chamber (501) is 1mm-3mm.

4. The anti-dye migration winding device for a digital printing machine according to claim 1, characterized in that, The take-up roller (24) has roller shafts (63) fixed at both ends. The take-up roller (24) has fixed seats (60) on both the left and right sides. The fixed seats (60) are fixed on the frame (10). The fixed seats (60) have U-shaped bearing seats (62) fixed on them. Multiple support wheels (61) are rotatably connected inside the bearing seats (62). The roller shaft (63) can be inserted into the bearing seats (62) and abut against the multiple support wheels (61).

5. The anti-dye migration winding device for a digital printing machine according to claim 4, characterized in that, A driven gear (25) is fixed to the right end of the roller shaft (63) on the right side. A base (32) is fixed on the frame (10). The base (32) is located to the right of the take-up roller (24). A motor (30) is fixed on the base (32). A drive gear (31) is fixed to the output shaft of the motor (30). The outer circumference of the drive gear (31) meshes with the driven gear (25).

6. The anti-dye migration winding device for a digital printing machine according to claim 1, characterized in that, The frame (10) is equipped with a first guide roller (20) located in front of the drying component and a second guide roller (22) located below the drying component. There are two second guide rollers (22) arranged symmetrically with the drying component as the center.

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