CN211812501U - Cloth feeding device of rotary screen printing machine - Google Patents

Abstract

The utility model relates to a circular screen printer's last cloth device relates to textile printing and dyeing technical field, and it is including advancing the cloth holder, it is connected with multiunit brush roller set to rotate on advancing the cloth holder, brush roller set follows advance cloth holder length direction sets up, just be the state that is parallel to each other between the brush roller group, brush roller set includes first brush roller and the second brush roller along vertical direction setting, first brush roller with all be connected with the brush on the second brush roller, it is used for the drive to advance to be provided with on the cloth holder first brush roller with take place the drive assembly of reversal between the second brush roller, it is provided with the collection device who is used for collecting the dander on advancing the cloth holder. The utility model discloses can utilize multiunit brush roller to carry out the cleaning work to the surface of cloth before the cloth gets into circular screen printer, avoid the cloth to appear the incomplete phenomenon of printed pattern at the stamp in-process to a great extent.

Description

A cloth loading device for a rotary screen printing machine

technical field

The utility model relates to the technical field of textile printing and dyeing, in particular to a cloth loading device of a rotary screen printing machine.

Background technique

Rotary screen printing is a printing method that uses a scraper to make the color paste in the rotary screen printed on the fabric under the pressure. The rotary screen printing machine usually consists of four parts: the feeding device, the printing head, the drying device and the doffing device. The rotary screen printing machine has the characteristics of easy operation, low labor intensity and high output, and is suitable for printing various fabrics. .

The Chinese patent with the announcement number CN202847081U discloses a rotary screen printing machine, which includes a frame, a printing cylinder arranged around a rotating shaft, a rotary motor of the rotary screen and a control system, and the frame is provided with a cloth surface positioning detection Device, the printing starting point of the printing cylinder is provided with a circular screen "cross" mark composed of mesh holes; the frame is also provided with a rotary screen positioning detection device, and the rotary screen positioning detection device is located in the printing circle. Above the screen cylinder, the cloth surface positioning detection device is located in front of the rotary screen positioning detection device, and the horizontal distance between the cloth surface positioning detection device and the rotary screen positioning detection device is an odd multiple of 1/2 the circumference of the printing cylinder. The above device can automatically find the starting position of the printing machine through the setting of the rotary screen positioning detection device, and can accurately locate the starting position of the printing.

The above-mentioned prior art scheme has the following defects: in the process of printing the above-mentioned device, because the fabric surfaces such as cloth have fiber fluff and impurities, it may cause the color paste to be printed on the fiber fluff and impurities, making fabrics such as cloth. A part of the unprinted area is formed on the surface, which makes the printing work defective and affects the quality of the fabric.

Utility model content

In view of the deficiencies in the prior art, one of the purposes of the present invention is to provide a cloth loading device for a rotary screen printing machine, which can clean and recycle the fluff and impurities on the cloth before the cloth enters the rotary screen printing machine. Avoid the interference of impurities in the printing process and affect the quality of fabric printing.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A cloth feeding device of a rotary screen printing machine includes a cloth feeding frame, and a plurality of sets of brush roller groups are rotatably connected to the cloth feeding frame, and the brush roller groups are arranged along the length direction of the cloth feeding frame. The brush roller groups are in a state of being parallel to each other, and the brush roller group includes a first brush roller and a second brush roller arranged in the vertical direction. The first brush roller and the second brush roller The brush rollers are all connected with brushes, and the cloth feed frame is provided with a drive assembly for driving the first brush roller and the second brush roller to reverse rotation, and the cloth feed frame is provided with a useful A collection device for collecting dander.

By adopting the above technical solution, the arrangement of multiple sets of brush rollers enables the cloth to be cleaned of dander and impurities before entering the rotary screen printing machine, and at the same time, the setting of multiple sets of brush rollers enables the cloth to be cleaned multiple times. , to enhance the cleaning effect of impurities such as dander; the setting of the driving component to drive the first brush roller and the second brush roller to reverse, so that the cloth is cleaned on both sides while driving the cloth for transportation; the setting of the collection device makes the cleaned The remaining hair flakes can be further collected by the collecting device, so as to avoid the flying of the hair flakes and contaminate the working environment.

In a preferred example of the present invention, it can be further configured as follows: the drive assembly includes a drive motor, a first gear and a second gear, the drive motor is fixedly connected to the cloth feed frame, and the output of the drive motor The end is connected to the first brush roller, the first gear is fixedly connected to one end of the first brush roller, and the second gear is fixedly connected to one end of the second brush roller , the first gear and the second gear are in meshing state.

By adopting the above technical solution, when the cloth needs to be cleaned of dander, the driving motor is started, the driving motor drives the first brush roller to rotate, the first brush roller drives the first gear to rotate, and the first gear drives the first gear to rotate. The second gear in the meshing state rotates, and the second gear further drives the second brush roller to rotate, so that the first brush roller and the second brush roller are in a reversed state, and the cloth is cleaned at the same time. to the transport function of the cloth.

In a preferred example of the present invention, the collection device can be further configured as follows: the collection device includes a collection bucket and a fan, the collection bucket is arranged below the brush roller group, an opening is formed in the collection bucket, and the collection bucket is provided with an opening. The inner wall of the bucket is inclined toward the opening, a connecting pipe is connected to the opening, and the fan is arranged in the connecting pipe.

By adopting the above technical solution, when the dander needs to be collected and cleaned, the fan is started, and the fan makes the connecting pipe in a negative pressure state, so that the dander moves along the inclined inner wall of the collection bucket to the opening, and finally enters the connecting pipe for collection and treatment , to avoid the dander flying after leaving the cloth surface and polluting the working environment.

In a preferred example of the present invention, it can be further configured that: the brush is detachably connected to the brush roller set, and the end walls of the first brush roller and the second brush roller are An annular groove is opened along the circumferential direction, and a tightening ring for locking the brush is detachably connected in the annular groove. The tightening ring includes an arc part and two connecting parts, and the two connecting parts are respectively connected At both ends of the arc-shaped portion, the connecting portions are provided with threaded holes, and the two connecting portions are provided with locking bolts.

By adopting the above technical solution, the detachable connection of the brushes facilitates the replacement of the brushes. When the replacement of the brushes is required, the locking effect on the arc-shaped portion is first released by the locking bolts, and then the tightening hoop The ring is removed from the annular groove, then the brush is removed from the brush roller set and the new brush is installed on the surface of the first brush roller and the second brush roller, and then the tightening ring is placed on the brush. The end of the brush is fixed in the annular groove with the locking bolt.

In a preferred example of the present invention, it can be further configured that: the end of the cloth feed frame is provided with a flattening assembly for guiding the cloth to be flattened into the brush roller group, and the flattening assembly includes a rotatable connection on the The first flattening roller and the second flattening roller at the end of the cloth feeding frame, the axis lines of the first flattening roller and the second flattening roller are parallel to the length direction of the cloth feeding frame, and all the The first flattening roller and the second flattening roller are arranged along the height direction, and a driving member for driving the first flattening roller and the second flattening roller to reverse rotation is arranged on the cloth feed frame.

By adopting the above technical solution, when the cloth enters the brush roller group to clean the lint, the cloth lacks the flattening device may enter the brush roller group in the form of wrinkles, and the wrinkled state makes the brush roller group unable to clean the cloth Carry out a complete cleaning work, so that some areas of the fabric have residual dander, which leads to the phenomenon that some parts of the fabric are not printed during the printing process, which in turn affects the printing quality of the fabric.

In a preferred example of the present invention, it can be further configured that: the driving member includes a servo motor, a third gear, a fourth gear, a fifth gear and a sixth gear, and the third gear is fixedly connected to the first gear The end of the flattening roller, the fourth gear is fixedly connected to the end of the second flattening roller, the fifth gear is rotatably connected to the cloth feed frame and is in meshing state with the third gear, The sixth gear is rotatably connected to the cloth feed frame, the sixth gear is in meshing state with the fourth gear and the fifth gear, and the servo motor is fixedly connected to the cloth feed frame and connected with the fifth gear.

By adopting the above technical solution, the servo motor is used to drive the fifth gear to rotate, the fifth gear drives the sixth gear and the third gear that are in meshing state with them to rotate, the third gear further drives the first flattening roller to rotate, and the sixth gear rotates. The gear drives the fourth gear that meshes with it to rotate, and the fourth gear further drives the second flattening roller to rotate, which in turn causes the first flattening roller and the second flattening roller to reverse, so that the fabric is stretched after the There is a tendency to move to both ends between the flat components, which plays a role in flattening the fabric.

In a preferred example of the present invention, it can be further configured as follows: the cloth feed frame is provided with a cylinder for driving the flattening assembly to move, the cylinder is installed on the cloth feed frame, and the piston rod of the cylinder is A U-shaped plate is fixedly connected at the place, and the flattening assembly is mounted on the U-shaped plate.

By adopting the above technical solution, the arrangement of the air cylinder makes it possible to adjust the distance between the two flattening components according to the width of the cloth, so that the flattening component can flatten cloths of different widths, thereby expanding the work of the flattening component scope.

In a preferred example of the present invention, it can be further configured as follows: a widening roller is installed at the end of the cloth feeding frame, and the surface of the widening roller is symmetrically provided with a helical protrusion along the center.

By adopting the above technical solution, the arrangement of the helical protrusions on the expanding roller enables the cloth to be flattened, so that the cloth enters the rotary screen printing machine in a flattened form after being cleaned by the brush, and prevents the cloth from wrinkling. The shape affects the printing quality.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. Before the fabric enters the rotary screen printing machine, multiple sets of brush rollers can be used to clean the surface of the fabric, which can largely avoid the incomplete printing pattern of the fabric during the printing process;

2. The distance between the flattening components can be adjusted according to the width of the cloth, so that the cloth of different widths can enter the brush roller group in a flat attitude for cleaning.

Description of drawings

Fig. 1 is the structural schematic diagram of the overall structure in the present embodiment;

Fig. 2 is the exploded structure schematic diagram at the first brush roller in the present embodiment;

Fig. 3 is the structural schematic diagram of the cloth feeding rack in the present embodiment;

FIG. 4 is a schematic structural diagram of the collecting device in this embodiment.

In the figure, 1. Feeding frame; 2. Mounting plate; 3. Air cylinder; 4. U-shaped plate; 5. The first flattening roller; 6. The second flattening roller; 7. Servo motor; 8. The third gear 9, the fourth gear; 10, the fifth gear; 11, the sixth gear; 12, the expansion roller; 13, the protrusion; 14, the first brush roller; 15, the second brush roller; 16, the brush ; 17, annular groove; 18, hoop ring; 19, arc part; 20, connecting part; 21, locking bolt; 22, drive motor; 23, first gear; 24, second gear; 25, collecting bucket ; 26, fan; 28, connecting pipe; 29, collection box.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1, it is a cloth loading device of a rotary screen printing machine disclosed by the utility model, including a cloth feeding frame 1, and one end of the cloth feeding frame 1 close to the cloth inlet is fixedly connected with two air cylinders 3, and the piston rod of the air cylinder 3 is fixedly connected. A U-shaped plate 4 is fixedly connected at the place, and the U-shaped plate 4 is rotatably connected with a flattening assembly for guiding the cloth to be flattened into the brush roller group. Roll 5 and second flattening roll 6. The axis lines of the first flattening roller 5 and the second flattening roller 6 are parallel to the length direction of the cloth feed frame 1. The first flattening roller 5 and the second flattening roller 6 are arranged along the height direction, and the first flattening roller At the higher end, the U-shaped plate 4 is provided with a driving member for driving the reverse rotation between the first flattening roller 5 and the second flattening roller 6 .

1 , the driving member includes a servo motor 7 , a third gear 8 , a fourth gear 9 , a fifth gear 10 and a sixth gear 11 , the third gear 8 is fixedly connected to the first flattening roller 5 and protrudes from the U-shaped plate 4 The end of the fourth gear 9 is fixedly connected to the end of the second flattening roller 6 protruding from the U-shaped plate 4 . The fifth gear 10 is rotatably connected to the U-shaped plate 4 and is in mesh with the third gear 8 , the sixth gear 11 is rotatably connected to the U-shaped plate 4 and the sixth gear 11 is in mesh with the fourth gear 9 and the fifth gear 10 state. A mounting plate 2 is fixedly connected to the U-shaped plate 4 , a servo motor 7 is fixedly connected to one end face of the mounting plate 2 , and the output shaft of the servo motor 7 is fixedly connected to the fifth gear 10 .

Referring to Figures 1 and 2, two groups of brush rollers are rotatably connected to the cloth feeder 1, the brush rollers are arranged along the length of the cloth feeder 1, and the brush roller assemblies are in a state of being parallel to each other, and the cloth feeder 1 A widening roller 12 is installed at the end of the widening roller 12, and the surface of the widening roller 12 is symmetrically arranged with a helical protrusion 13 along the center. The brush roller group includes a first brush roller 14 and a second brush roller 15 arranged in the vertical direction, the first brush roller 14 is located at a higher position, and the first brush roller 14 and the second brush roller 15 are on The brushes 16 can be detachably connected.

Referring to FIGS. 1 and 2 , annular grooves 17 are formed on the side walls of both ends of the first brush roller 14 and the second brush roller 15 along the circumferential direction, and the annular groove 17 is detachably connected with a locking brush 16 the tightening hoop 18. The hoop ring 18 includes an arc-shaped portion 19 and two connecting portions 20. The two connecting portions 20 are respectively fixedly connected to the two ends of the arc-shaped portion 19. The two connecting portions 20 are provided with threaded holes, and the two connecting portions 20 are provided with threaded holes. Tighten the bolt 21.

Referring to FIGS. 1 and 3 , the cloth feed frame 1 is provided with a drive assembly for driving the first brush roller 14 and the second brush roller 15 to reverse rotation. The drive assembly includes a drive motor 22 , a first gear 23 and a first Two gears 24, the drive motor 22 is fixedly connected to the cloth feed frame 1, the output end of the drive motor 22 is connected to one end of the first brush roller 14, and the first gear 23 is fixedly connected to the other side of the first brush roller 14. At one end, the second gear 24 is fixedly connected to one end of the second brush roller 15 , and the first gear 23 and the second gear 24 are in a meshing state.

Referring to Figure 4, the bottom end of the cloth feeder 1 is provided with a collection device for collecting dander, the collection device includes a collection bucket 25 and a fan 26, the collection bucket 25 is installed below the brush 16 roller group, and an opening is provided in the collection bucket 25 The inner wall of the collecting bucket 25 is inclined toward the opening, and the opening is connected with a connecting pipe 28 .

The implementation principle of this embodiment is:

Firstly, the distance between the two flattening components is adjusted according to the width of the cloth, and the U-shaped plate 4 is displaced by the air cylinder 3, so that both ends of the cloth can pass through the two flattening components, and then the servo motor 7 is activated, and the servo motor 7 drives the fifth The gear 10 rotates, the fifth gear 10 drives the sixth gear 11 and the third gear 8 that are in mesh with it to rotate, the third gear 8 further drives the first flattening roller 5 to rotate, and the sixth gear 11 drives it to mesh with it. The fourth gear 9 in the state rotates, and the fourth gear 9 further drives the second flattening roller 6 to rotate, thereby causing the first flattening roller 5 and the second flattening roller 6 to be reversed, so that the cloth is stretched out. There is a tendency to move to both ends between the flat components, which plays a role in flattening the fabric.

When the cloth needs to be cleaned of dander, the drive motor 22 is activated, the drive motor 22 drives the first brush roller 14 to rotate, the first brush roller 14 drives the first gear 23 to rotate, and the first gear 23 drives the first gear 23 to rotate. The meshed second gear 24 rotates, and the second gear 24 further drives the second brush roller 15 to rotate, thereby causing the first brush roller 14 and the second brush roller 15 to be in a reversed state. It also plays a role in transporting the fabric while cleaning. The cloth first passes through one side of the first brush roller 14 in the first group of brush rollers and bypasses the second brush roller 15 from its opposite side, and then the cloth passes through the second brush roller in the second group of brush rollers. One side of the brush roll 15 bypasses the first brush roll 14 from the opposite side, and finally enters the rotary screen printing machine through the expanding roll 12 to perform printing work.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a circular screen printer's last cloth device, includes cloth feeding frame (1), its characterized in that: it is connected with multiunit brush roller set to rotate on cloth feeding frame (1), the brush roller set is followed cloth feeding frame (1) length direction sets up, just be the state that is parallel to each other between the brush roller set, the brush roller set includes first brush roller (14) and second brush roller (15) that set up along vertical direction, first brush roller (14) with all be connected with brush (16) on second brush roller (15), cloth feeding frame (1) is provided with and is used for the drive first brush roller (14) with take place the drive assembly of reversal between second brush roller (15), be provided with the collection device who is used for collecting the hair bits on cloth feeding frame (1).

2. The cloth feeding device of a rotary screen printing machine according to claim 1, wherein: the driving assembly comprises a driving motor (22), a first gear (23) and a second gear (24), the driving motor (22) is fixedly connected to the cloth feeding frame (1), the output end of the driving motor (22) is connected with the first brush roller (14), the first gear (23) is fixedly connected to one end portion of the first brush roller (14), the second gear (24) is fixedly connected to one end portion of the second brush roller (15), and the first gear (23) and the second gear (24) are in a meshed state.

3. The cloth feeding device of a rotary screen printing machine according to claim 1, wherein: the collecting device comprises a collecting hopper (25) and a fan (26), the collecting hopper (25) is arranged below the brush roller set, an opening is formed in the collecting hopper (25), the inner wall of the collecting hopper (25) faces the opening and is in an inclined state, the opening is connected with a connecting pipe (28), a collecting box (29) is connected to the connecting pipe (28), and the fan (26) is arranged in the collecting box (29).

4. The cloth feeding device of a rotary screen printing machine according to claim 1, wherein: brush (16) can be dismantled and connect and be in on the brush roller set, first brush roller (14) with seted up ring channel (17) along circumference on the end lateral wall of second brush roller (15), can dismantle in ring channel (17) and be connected with and be used for locking the hoop ring (18) of brush (16), hoop ring (18) are including arc portion (19) and two connecting portion (20), two connecting portion (20) are connected respectively at the both ends of arc portion (19), set up threaded hole on connecting portion (20), be provided with locking bolt (21) on two connecting portion (20).

5. The cloth feeding device of a rotary screen printing machine according to claim 1, wherein: the tip of advancing cloth holder (1) is provided with and is used for the flat entering of guide cloth the flat subassembly of exhibition of brush roller group, it connects including rotating to put up the first nip roll (5) and the second nip roll (6) of advancing cloth holder (1) tip, first nip roll (5) with second nip roll (6) axial lead with it is parallel to advance cloth holder (1) length direction, just first nip roll (5) and second nip roll (6) set up along the direction of height, be provided with on advancing cloth holder (1) and be used for the drive first nip roll (5) with take place the driving piece of reversal between second nip roll (6).

6. The cloth feeding device of a rotary screen printing machine according to claim 5, wherein: the driving piece comprises a servo motor (7), a third gear (8), a fourth gear (9), a fifth gear (10) and a sixth gear (11), the third gear (8) is fixedly connected with the end part of the first flattening roller (5), the fourth gear (9) is fixedly connected with the end part of the second flattening roller (6), the fifth gear (10) is rotatably connected with the cloth feeding frame (1) and the third gear (8) is in a meshed state, the sixth gear (11) is rotatably connected with the cloth feeding frame (1) and the sixth gear (11) is in a meshed state with the fourth gear (9) and the fifth gear (10), and the servo motor (7) is fixedly connected with the cloth feeding frame (1) and the fifth gear (10) is connected with the cloth feeding frame.

7. The cloth feeding device of a rotary screen printing machine according to claim 5, wherein: be provided with on cloth feeding frame (1) and be used for the drive air cylinder (3) that flat subassembly of exhibition took place to remove, install on cloth feeding frame (1) air cylinder (3), the piston rod department fixedly connected with U-shaped board (4) of air cylinder (3), flat subassembly of exhibition is installed on U-shaped board (4).

8. The cloth feeding device of a rotary screen printing machine according to claim 1, wherein: the end part of the cloth feeding frame (1) is provided with a spreading roller (12), and the surface of the spreading roller (12) is symmetrically provided with spiral bulges (13) along the center.

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