Cloth printing equipment and printing method

Abstract

The invention relates to cloth printing equipment and a printing method. The cloth printing equipment comprises a printing assembly, a drying cabin, a roller assembly and a supporting mechanism, and the printing assembly is used for printing cloth; the drying cabin is used for drying the printed cloth and comprises a drying channel, and drying air is arranged in the drying channel; the roller assembly is arranged in the drying channel in a lifting mode, comprises a conveying roller with an independent drive and is used for supporting cloth from the bottom of the cloth and conveying the cloth to pass through the drying channel. According to the printing equipment, the liftable conveying rollers and the supporting mechanisms distributed on the two sides of the conveying rollers are arranged, so that cloth is distributed in a V shape after entering the drying channel, the supporting rollers provide supporting when the cloth is winded so as to prevent the cloth from frequently shaking when the cloth is winded, continuous conveying can be achieved, the larger drying area is obtained, meanwhile, the occupied space is smaller, and the printing efficiency is improved. And the printing surface of the cloth is not contacted before drying and in the drying process, so that the occupied space of the drying equipment is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of cloth printing, and in particular relates to a cloth printing device and a printing method. Background Art

[0002] The fabric printing equipment usually includes a printing mechanism and a drying mechanism. The fabric needs to be dried after printing. Before drying, the printed surface cannot contact the transfer roller before it is completely dry to prevent the printed surface from being scratched by the transfer roller. Therefore, it needs to be dried in time after printing.

[0003] Existing drying methods are generally divided into two types: setting up a drying channel for heating and drying, drying by passing high-temperature hot air above 100°C; or drying by natural drying. Natural drying occupies a large area, and high-temperature drying is not suitable for some fabrics that are not resistant to high temperatures. High temperature will destroy the limiting structure, and only medium and low temperature airflow below 80°C can be used for drying. In addition, the printed surface still cannot contact the transmission roller during the drying process, so the area occupied by the printing equipment is huge. Summary of the invention

[0004] The purpose of the present invention is to provide a cloth printing device and a printing method in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A cloth printing device, comprising

[0007] A printing component, which is used to print fabric;

[0008] A drying cabin, which is used to dry the printed fabrics, and includes a drying channel, wherein the drying channel has drying air;

[0009] A roller assembly is arranged in a lifting manner in the drying channel, and includes a transmission roller with an independent drive, which is used to support the cloth from the bottom of the cloth and transmit it through the drying channel;

[0010] The support mechanism is used to form support slopes on both sides of the transmission roller to support the cloth to be dried and transmitted in a continuous V-shaped posture, including a plurality of support units, wherein the support units include a pair of side plates and a plurality of support rollers arranged between the side plates, wherein the support units are connected end to end with each other through movable connecting parts, and the support slopes are expanded to form the support slopes by the lifting of the transmission roller, and the support units are stored parallel to each other when the transmission roller is lowered.

[0011] As a further optimization scheme of the present invention, the printing assembly includes a printing device, a feed roller, and a discharge roller, wherein the height of the discharge roller is aligned with the upper part of the drying channel. This scheme adopts a conventional printing device, which sprays ink on the surface of the fabric through a digital controller and is suitable for printing needs of various scales.

[0012] As a further optimization scheme of the present invention, the drying cabin also includes a negative pressure chamber arranged below the drying channel, and the negative pressure chamber generates negative pressure by a negative pressure generator. The drying channel and the negative pressure chamber are connected through a negative pressure hole, and airflow is generated through the negative pressure chamber, so that medium and low temperature hot airflow that penetrates the fabric is generated in the drying channel.

[0013] As a further optimization scheme of the present invention, a plurality of air inlets are arranged on the top of the drying channel, and heating components are arranged in the air inlets. In this scheme, the heating components are arranged so as to heat the air as needed.

[0014] As a further optimization scheme of the present invention, the transmission roller is lifted and lowered by a lifting drive unit, and a fixing unit is provided at the bottom end of the lifting drive unit, and the fixing unit is provided with a hub motor for driving the transmission roller. After the cloth enters the drying channel, a V-shaped supporting slope is formed by lifting the transmission roller. This scheme arranges an independently driven transmission roller, so that the cloth extends downward in a V-shaped distribution under the separate transmission of the transmission roller, so as to obtain a larger drying area.

[0015] As a further optimization scheme of the present invention, a slide groove is provided on the outer edge of the side panel, and the slide groove extends from the midpoint of one end of the side panel to the midpoint of the adjacent side, and the distance between the slide groove and the edge of the side panel is the same. The movable connecting piece has both sliding and rotational connections with the slide groove through a cylindrical sliding portion, and a shaft sleeve is rotatably provided on the fixed portion. The shaft sleeve is connected to the first support unit through a side rod and a sliding portion, and the last support unit is rotatably connected to a fixed seat arranged at the bottom of the drying channel. This scheme further proposes a structure for the support units to be unfolded and stored with each other, and by arranging a movable connecting piece, two adjacent support units can be parallel to each other or connected end to end to each other.

[0016] As a further optimization scheme of the present invention, the surface of the fixed portion is provided with a limiting portion for limiting the rotation angle of the convex rod. Since each support unit has a plurality of support rollers and the radius of the support roller is smaller than that of the transmission roller, in order to make the support inclined surface formed by the support roller smoother and aligned with the tangent direction of the transmission roller, a limiting portion is provided to limit it.

[0017] As a further optimization scheme of the present invention, limiting protrusions are provided at the corners of the side panels, and elastic members are provided on the limiting protrusions. The limiting protrusions and the elastic members are used to rotate the side panels in a storage direction when the support units are stored downward. After the transmission roller rises, the movable connecting member connects the support units end to end. After the transmission roller descends, in order to reset each support unit, the elastic member is used to rotate each support unit in the storage direction, that is, to rotate them to a state parallel to each other, to prevent the support units from getting stuck when the transmission roller descends.

[0018] As a further optimization scheme of the present invention, the inner bottom wall of the drying channel is also provided with an auxiliary transmission device for helping the head end of the fabric to be introduced into the drying chamber, which includes at least two rollers, a rotating drive unit, and a belt mounted on the rollers, wherein the belt contacts the bottom of the transmission roller and the support roller at the bottom end of each support unit, wherein the support roller at the bottom end of each support unit is connected to the support roller at the highest point of the support unit through a transmission unit, and in order to facilitate the pulling of the head of the cloth through the drying channel, after the transmission roller is lowered to the lowest level, its top end height is at the same height as the support roller at the highest point of the support unit, and they rotate at the same linear speed driven by the belt, so that the first section of the cloth can automatically pass through the drying channel without manual pulling, specifically, a flat plate is inserted under the head end of the cloth, and the head end of the cloth and subsequent sections pass through each transmission roller and support roller in turn.

[0019] In order to use the above-mentioned printing device, the present invention also proposes a method for printing by using the above-mentioned printing device, comprising the following steps:

[0020] S1: Print the fabric using a printing assembly, and let the fabric enter the drying channel with the printed surface facing upwards;

[0021] S2: The transmission roller is raised, and the supporting mechanism is driven to be raised and unfolded. The supporting units are connected end to end to form a supporting slope. The cloth falls on the transmission roller and the supporting unit in a V shape through the independent transmission of the transmission roller;

[0022] S3: Dry the fabric by starting the drying air, and the drying temperature is 30-70°C.

[0023] The beneficial effects of the present invention are:

[0024] The present invention provides a liftable transmission roller and support mechanisms distributed on both sides of the transmission roller, so that the cloth is distributed in a V shape after entering the drying channel, and the support rollers provide support when exposed to wind to prevent the fabric from shaking frequently when exposed to wind, and can continuously transmit, thereby obtaining a larger drying area while occupying a smaller space, and the printed surface of the cloth is not contacted before and during drying, thereby reducing the space occupied by the drying equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 The present invention Figure 1 Enlarged view of part A in the middle;

[0027] Figure 3 The present invention Figure 2 Middle BB view;

[0028] Figure 4 is a schematic diagram of the movable connecting member of the present invention;

[0029] Figure 5 It is a schematic diagram of the shaft sleeve and the convex rod of the present invention;

[0030] Figure 6 It is a schematic diagram of the operation of the drying cabin of the present invention;

[0031] Figure 7 The present invention Figure 6 A magnified view of the structure of part C in the middle;

[0032] Figure 8 is a side view of a transmission roller of the present invention;

[0033] In the figure: 1. printing component; 11. printing device; 12. feed roller; 13. discharge roller; 2. drying cabin; 21. drying channel; 22. negative pressure chamber; 23. negative pressure hole; 24. negative pressure generator; 25. air inlet; 26. heating component; 3. roller assembly; 31. lifting drive unit; 32. fixing unit; 33. hub motor; 34. transmission roller; 35. bushing; 36. protruding rod; 37. limiting unit; 4. supporting mechanism; 41. side plate; 42. slide groove; 43. movable connecting part; 44. sliding part; 45. fixing seat; 46. side rod; 47. movable groove; 48. limiting protrusion; 49. elastic member; 410. support roller; 411. transmission unit; 5. auxiliary transmission device; 51. roller; 52. belt; 53. rotating drive unit. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0035] Example 1

[0036] like Figure 1-8As shown, a cloth printing device includes a printing component 1, a drying chamber 2, a roller component 3, and a supporting mechanism 4, wherein the printing component 1 is used for printing cloth; the drying chamber 2 is used for drying the printed cloth, and includes a drying channel 21, wherein the drying channel 21 has drying air; the roller component 3 is lifted and arranged in the drying channel 21, and includes a transmission roller 34 with an independent drive, which is used for supporting the cloth from the bottom of the cloth and transmitting it through the drying channel 21; the supporting mechanism 4 is used for forming a supporting slope on both sides of the transmission roller 34 to support the cloth to be dried and transmitted in a continuous V-shaped posture, and includes a plurality of supporting units, wherein the supporting unit includes a pair of side plates 41 and a plurality of supporting rollers 410 arranged between the side plates 41, wherein the supporting units are connected end to end to each other through a movable connecting member 43, which is unfolded to form a supporting slope by the lifting of the transmission roller 34, and the supporting units are stored in parallel with each other when the transmission roller 34 descends.

[0037] This solution provides a liftable transmission roller 34 and a support mechanism 4 distributed on both sides of the transmission roller 34, so that the cloth is distributed in a V shape after entering the drying channel 21, and the support roller 410 provides support when exposed to wind to prevent the fabric from shaking frequently when exposed to wind, and can continuously transmit, thereby obtaining a larger drying area while occupying a smaller space, and the printed surface of the cloth is not touched before and during drying, thereby reducing the space occupied by the drying equipment.

[0038] The printing assembly 1 includes a printing device 11, a feed roller 12, and a discharge roller 13, wherein the height of the discharge roller 13 is aligned with the upper part of the drying channel 21. This solution adopts a conventional printing device, which sprays ink on the surface of the fabric through a digital controller and is suitable for printing needs of various sizes. The height setting of the discharge roller 13 makes it convenient to enter the drying channel 21 without contacting the printed surface.

[0039] The drying chamber 2 also includes a negative pressure chamber 22 arranged below the drying channel 21. The negative pressure chamber 22 generates negative pressure by a negative pressure generator 24. The drying channel 21 and the negative pressure chamber 22 are connected through a negative pressure hole 23. Airflow is generated through the negative pressure chamber 22, so that a medium and low temperature hot airflow is generated in the drying channel 21 to penetrate the fabric.

[0040] A plurality of air inlets 25 are provided at the top of the drying channel 21 , and a heating component 26 is provided in the air inlet 25 . In this solution, the heating component 26 is provided so as to heat the air as required.

[0041] The transmission roller 34 is lifted and lowered by the lifting drive unit 31. A fixing unit 32 is provided at the bottom end of the lifting drive unit 31. The fixing unit 32 is provided with a hub motor 33 for driving the transmission roller 34. After the cloth enters the drying channel 21, the transmission roller 34 is lifted to form a V-shaped supporting slope of the supporting mechanism 4. In this solution, an independently driven transmission roller 34 is provided so that the cloth extends downward in a V-shaped distribution under the independent transmission of the transmission roller 34 to obtain a larger drying area.

[0042] A slide groove 42 is provided on the outer edge of the side panel 41, and the slide groove 42 extends from the midpoint of one end of the side panel 41 to the midpoint of the adjacent side, and the distance between the slide groove 42 and the edge of the side panel 41 is the same. The movable connecting member 43 is connected to the slide groove 42 through a cylindrical sliding portion 44, and is both slidably and rotatably connected. A shaft sleeve 35 is rotatably provided on the fixed portion 32, and the shaft sleeve 35 is connected to the first support unit through a side rod 46 and a sliding portion 44. The last support unit is rotatably connected to a fixed seat 45 provided at the bottom of the drying channel 21. This solution further proposes a structure for the support units to be unfolded and stored with each other. By providing a movable connecting member 43, two adjacent support units can be parallel to each other, or can be connected end to end to each other. Specifically, Figure 2 As shown, when the transmission roller 34 moves upward, the protruding rod 36 first slides along the slide groove 42, and then the supporting units are pulled up one by one until the movable connecting member 43 moves from one end of the slide groove 42 to the other end, that is, the supporting units are connected end to end, as shown in FIG. Figure 7 shown.

[0043] The surface of the fixing portion 32 is provided with a limiting portion 37 for limiting the rotation angle of the convex rod 36. Since each supporting unit has a plurality of supporting rollers 410, and the radius of the supporting roller 410 is smaller than the transmission roller 34, in order to make the supporting inclined surface formed by the supporting roller 410 more gentle and aligned with the tangent direction of the transmission roller 34, the limiting portion 37 is provided to limit it. Figure 7 As shown, the limiting portion 37 can be provided to enable the protruding rod 36 to move the end-to-end connected supporting units closer to the cloth direction.

[0044] A limiting protrusion 48 is provided at the corner of the side plate 41, and an elastic member 49 is provided on the limiting protrusion 48. The limiting protrusion 48 and the elastic member 49 are used to rotate the side plate 41 in the storage direction when the support unit is stored downward. After the transmission roller 34 rises, the movable connecting member 43 connects the support units end to end. After the transmission roller 34 descends, in order to reset each support unit, the elastic member 49 is used to rotate each support unit in the storage direction, that is, rotate to a state parallel to each other, to prevent the support units from getting stuck when the transmission roller 34 descends. Further, a torsion spring can be provided on the shaft sleeve 35. When the transmission roller 34 descends, the convex rod 36 lifts the support unit upward. Specifically, as shown in FIG. Figure 7As shown, when the transmission roller 34 descends, the elastic member 49 supports each supporting unit to rotate clockwise, and when it continues to fall, each side plate 41 is vertically parallel to each other, reaching Figure 2 Status shown.

[0045] The inner bottom wall of the drying channel 21 is also provided with an auxiliary transmission device 5, which is used to help the head end of the fabric to be introduced into the drying chamber 2, and includes at least two rollers 51, a rotating driving part 53, and a belt 52 sleeved on the roller 51, the belt 52 is in contact with the bottom of the transmission roller 34 and the support roller 410 at the bottom of each support unit, wherein the support roller 410 at the bottom of each support unit is connected to the support roller 410 at the highest point of the support unit through the transmission part 411, in order to facilitate the pulling of the head of the fabric through the drying channel 21, after the transmission roller 34 is lowered to the lowest position, its top height is at the same height as the support roller at the highest point of the support unit, and they rotate at the same linear speed driven by the belt 52, so that the first section of the fabric can automatically pass through the drying channel 21 without manual pulling;

[0046] Specifically, when the transmission roller 34 is at the lowest position, the transmission roller 34 and the highest support roller 410 form a continuous transmission channel, and a flat plate is placed under the head end of the cloth. The flat plate drives the head end of the cloth and the subsequent parts to pass through each transmission roller 34 and the highest support roller 410 in sequence. Figure 2 As shown, the rightmost support unit is connected to the fixed seat. In this solution, in order to prevent the belt 52 from contacting the support roller 410 at the bottom of the support unit, a side rod 46 is set at the bottom of the support unit, and a movable groove 47 is set at the fixed seat 45. When the transmission roller 34 is raised, the support unit, as the last one, can also be lifted to break away from the contact with the belt 52.

[0047] In order to use the above-mentioned printing device, the present invention also proposes a method for printing by using the above-mentioned printing device, comprising the following steps:

[0048] S1: Printing the fabric using the printing assembly 1, and allowing the fabric to enter the drying channel 21 with the printed surface facing upward;

[0049] S2: The transmission roller 34 is raised, and the support mechanism 4 is driven to be raised and unfolded. The support units are connected end to end to form a support slope. The cloth falls on the transmission roller 34 and the support unit in a V shape through the independent transmission of the transmission roller 34;

[0050] S3: Dry the fabric by starting the drying air, and the drying temperature is 30-70°C.

[0051] The specific implementation method is as follows: when the cloth is being continuously printed, the head end of the printed cloth is placed above the transmission roller 34. Driven by the auxiliary transmission device 5, each transmission roller 34 and the support roller 410 rotates to make the cloth pass through the drying channel 21 and form an airflow for drying. After the cloth has passed through the drying channel 21, the transmission rollers 34 are raised one by one, and the support mechanism 4 is lifted at the same time, and the transmission rollers 34 rotate independently to make the cloth redundant to obtain a V-shaped direction, and then continuously dried and transmitted. The transmission is driven by the independent rotation of the transmission rollers 34 to keep the cloth in a V-shaped transmission.

[0052] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A cloth printing device, characterized in that: include A printing assembly (1) for printing fabric; A drying chamber (2) is used to dry the printed fabric, and comprises a drying passage (21), wherein the drying passage (21) has drying air; A roller assembly (3) is arranged in a lifting manner in the drying channel (21), and includes a transmission roller (34) with an independent drive, which is used to support the cloth from the bottom of the cloth and transmit it through the drying channel (21); A support mechanism (4) is used to form support slopes on both sides of a transmission roller (34) to support the drying and transmission of fabrics in a continuous V-shaped posture, and comprises a plurality of support units, wherein the support units comprise a pair of side plates (41) and a plurality of support rollers (410) arranged between the side plates (41), wherein the support units are connected end to end with each other via a movable connecting member (43), and are unfolded to form the support slopes by the lifting of the transmission roller (34), and are stored parallel to each other when the transmission roller (34) is lowered.

2. A cloth printing device according to claim 1, characterized in that: The printing assembly (1) comprises a printing device (11), a feed roller (12), and a discharge roller (13), wherein the height of the discharge roller (13) is aligned with the upper part of the drying channel (21).

3. A cloth printing device according to claim 1, characterized in that: The drying chamber (2) further comprises a negative pressure chamber (22) arranged below the drying channel (21), wherein the negative pressure chamber (22) generates negative pressure by a negative pressure generator (24), and the drying channel (21) and the negative pressure chamber (22) are connected via a negative pressure hole (23).

4. A cloth printing device according to claim 3, characterized in that: A plurality of air inlets (25) are arranged at the top of the drying channel (21), and a heating component (26) is arranged inside the air inlet (25).

5. The cloth printing device according to claim 1, characterized in that: The transmission roller (34) is lifted and lowered by a lifting drive unit (31); a fixing unit (32) is provided at the bottom end of the lifting drive unit (31); and a hub motor (33) is provided on the fixing unit (32) for driving the transmission roller (34).

6. A cloth printing device according to claim 5, characterized in that: The outer edge of the side plate (41) is provided with a slide groove (42), and the slide groove (42) extends from the midpoint of one end of the side plate (41) to the midpoint of the adjacent side, and the distance between the slide groove (42) and the edge of the side plate (41) is the same. The movable connecting member (43) is connected to the slide groove (42) in a sliding and rotational manner through a cylindrical sliding portion (44). A shaft sleeve (35) is rotatably provided on the fixed portion (32), and the shaft sleeve (35) is connected to the first support unit through a side rod (46) and the sliding portion (44), and the last support unit is rotatably connected to a fixed seat (45) provided at the bottom of the drying channel (21).

7. A cloth printing device according to claim 6, characterized in that: The surface of the fixing portion (32) is provided with a limiting portion (37) for limiting the rotation angle of the protruding rod (36).

8. A cloth printing device according to claim 6, characterized in that: A limiting protrusion (48) is provided at the corner of the side plate (41), and an elastic member (49) is provided on the limiting protrusion (48). The limiting protrusion (48) and the elastic member (49) are used to rotate the side plate (41) in a storage direction when the support unit is stored downward.

9. A cloth printing device according to claim 1, characterized in that: The inner bottom wall of the drying channel (21) is also provided with an auxiliary transmission device (5) for helping the front end of the fabric to be introduced into the drying chamber (2), and the auxiliary transmission device (5) comprises at least two rollers (51), a rotating drive unit (53), and a belt (52) sleeved on the rollers (51), wherein the belt (52) is in contact with the bottom of the transmission roller (34) and the support roller (410) at the bottom end of each support unit, wherein the support roller (410) at the bottom end of each support unit is connected to the support roller (410) at the highest point of the support unit via a transmission unit (411).

10. A printing method using the cloth printing device according to any one of claims 1 to 9, characterized in that: The steps include: S1: Printing the fabric using the printing assembly (1), and allowing the fabric to enter the drying channel (21) with the printed surface facing upward; S2: The transmission roller (34) is raised, and the support mechanism (4) is driven to be raised and unfolded, and the support units are connected end to end to form a support slope, and the cloth falls on the transmission roller (34) and the support unit in a V shape through the independent transmission of the transmission roller (34); S3: Dry the fabric by starting the drying air, and the drying temperature is 30-70°C.

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