CN211591775U - A non-woven bag back printing device - Google Patents

Abstract

The utility model provides a non-woven cloth bag back printing device, includes the frame, the frame is "L" shape of invering, including crossbeam and perpendicular roof beam, be equipped with tensioning roller group on the crossbeam, it is equipped with sensing device, guide roll, printing roller set and carry over pinch rolls in proper order to erect the roof beam, sensing device includes can follow the horizontal pole that perpendicular roof beam reciprocated, the horizontal pole rear side is equipped with spacing roller, be equipped with the radio frequency sensor on the horizontal pole, the radio frequency sensor can follow horizontal pole lateral shifting, the guide roll sets up the below at sensing device, the guide roll below is equipped with at least a set of printing roller set, printing roller set includes the ink horn, be equipped with the inker in the ink horn, the inboard of inker is equipped with printing roller, the printing roller inboard is equipped with the compression roller, the material passes through between by printing roller and compression roller, printing roller set oblique top is equipped with the carry over pinch rolls, and a traction compression roller is arranged on the inner side of the traction roller.

Description

A non-woven bag back printing device

technical field

The invention belongs to the field of printing equipment, and further relates to the technical field of flexible packaging printing equipment, in particular to a back printing device for non-woven bags.

Background technique

At present, the trend of small packaging of flour sales in my country is obvious. In large supermarkets, flour is mainly packaged in 2.5 kg to 10 kg, of which more than 90% are non-woven packaging. Packaging flour packaging is also rapidly increasing.

For packaging bags with high selling price and exquisite packaging, the double-sided lamination process is often used, that is, the traditional gravure printing process is used to print the graphic on the film, and then the film with the pattern printed on the non-woven fabric is laminated by the lamination process. superior. This process is generally used for patterned non-woven bags with higher requirements or more colors. It is characterized by exquisite printing, machine production, and fast production speed. The finished product has excellent waterproof performance, and the durability of the finished product is better than that of non-woven bags produced by other processes, but its cost is relatively high.

And many manufacturers choose lamination printing on the front and offset printing on the back, that is, the ink is transferred to the back of the non-woven bag through a roller.

In the prior art, the printing of the non-woven bag is carried out through the following steps, color printing, bag making, back printing and sewing. First, the roll of the non-woven fabric is color-printed, where the color printing is to print one side of the non-woven fabric roll, and then make Then, the non-woven bag is manually turned over and entered into the offset printing machine for back printing, and then sewn.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a back printing machine, which can perform another printing method after printing on the front of the non-woven bag without bag making and manual handling, and then perform the bag making step, It can avoid manual multiple handling and keep the production line smooth.

The specific scheme of the present invention is:

A non-woven bag back-printing device, comprising a frame, the frame is an inverted "L" shape, including a beam and a vertical beam, the beam is provided with a tension roller set, and the vertical beam is fed along the upper edge A sensor device, a guide roller, a printing roller group and a traction roller are arranged in sequence in the direction. The sensor device includes a horizontal bar that can move up and down along the vertical beam. The rear side of the horizontal bar is provided with a limit roller. A radio frequency sensor is provided, the radio frequency sensor can move laterally along the cross bar, the guide roller is arranged below the sensing device, and at least one group of printing rollers is arranged below the guide roller, and the printing roller group includes an ink cartridge, The ink cartridge is provided with an ink roller, the inner side of the ink roller is provided with an ink transfer roller, the inner side of the ink transfer roller is provided with a plate roller, the inner side of the plate roller is provided with a pressure roller, and the material to be printed is passed by the plate roller. Passing between the printing roller set and the pressing roller, a traction roller is arranged on the diagonally above the printing roller group, and a traction pressing roller is arranged on the inner side of the traction roller.

Further, the vertical beam is provided with a platform extending outward, the platform is provided with a first guide rail, the first guide rail is provided with a worktable, and the inner side of the worktable is provided with a plate roller bracket, the A plate roller is arranged on the plate roller bracket, a second guide rail is arranged on the outer side of the worktable, an ink cartridge bracket is arranged on the second guide rail, and an ink cartridge, an ink roller and an ink transfer roller are arranged on the ink cartridge bracket, and the ink cartridge Fixedly connected with the ink cartridge holder, the ink roller is arranged in the ink cartridge and connected with the ink cartridge holder through a bearing, and the ink transfer roller is arranged on one side of the ink roller and connected with the ink cartridge holder through a bearing.

Further, the upper end of the plate roller support is provided with a telescopic cylinder, the outer end of the plate roller is provided with an induction iron block, and the plate roller support is provided with a proximity sensor corresponding to the induction iron block.

Further, the discharge end of the traction roller is provided with a displacement monitoring device, and the displacement monitoring device includes a bracket, and an upper roller group and a lower roller group are arranged in the bracket, and the lower roller group is hinged with the bracket and connected with displacement. A sensor, one end of the displacement sensor is hinged with the bracket, and the other end is hinged with the lower roller group.

Further, a drying device is arranged between the printing roller group and the traction roller, the drying device includes a drying box, a plurality of groups of resistance wires are arranged in the drying box, and a blower is arranged on one side of the drying box , the fan is connected with the drying box through the air duct, and the air outlet of the drying box faces the direction of the material.

Further, the tension roller sets are three sets of rollers arranged on the upper end of the frame.

Further, a center rod is arranged in the guide roller, a bushing is arranged between the center rod and the guide roller, and the guide roller, the center rod and the bushing can move with each other, and the bushing is provided with a bushing. A fixing hole, the shaft sleeve and the central rod can be fixed by a limit nut, the two ends of the central rod are provided with a lead screw, the horizontal rod can move up and down along the lead screw, and the guide roller and the lead screw are connected to each other. They are connected by a 90° bevel gear group, the cross bar is provided with a bending piece that can slide left and right along the cross bar, the bending piece is connected to the cross bar through a positioning nut, and the bending piece is provided with In the radio frequency sensor, the central rod is connected with the frame through a bearing, and one end of the central rod is provided with a handle.

The beneficial effects of the present invention are:

It can be printed on the front of the non-woven bag without bag making and manual handling, and then another printing method can be performed, and then the bag making step can be performed, which can avoid manual multiple handling and keep the production line smooth.

Description of drawings

1 is a schematic structural diagram of the application;

FIG. 2 is a schematic diagram of the structure of the printing roller group of the application;

FIG. 3 is a schematic structural diagram of the sensing device of the present application.

In the figure: frame 1, cross beam 11, vertical beam 12, tension roller set 13, sensing device 2, cross bar 21, limit roller 22, radio frequency sensor 23, guide roller 3, center bar 31, bushing 32 , fixing hole 33, limit nut 34, screw 35, bevel gear set 36, bending sheet 37, positioning nut 38, handle 39, printing roller set 4, ink cartridge 41, ink roller 42, ink transfer roller 43, plate roller 44, pressure roller 45, traction roller 5, traction pressure roller 51, platform 6, first guide rail 61, worktable 7, plate roller support 71, second guide rail 72, ink cartridge holder 73, telescopic cylinder 74, induction iron block 75, Proximity sensor 76 , movement monitoring device 8 , bracket 81 , upper roller group 82 , lower roller group 83 , displacement sensor 84 , drying device 9 , material 10 .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

A non-woven bag back printing device, comprising a frame 1, the frame is an inverted "L" shape, including a beam 11 and a vertical beam 12, the beam 11 is provided with a tension roller set 13, so The vertical beam is provided with a sensing device 2, a guide roller 3, a printing roller group 4 and a traction roller 5 in sequence along the feeding direction. The sensing device 2 includes a cross bar 21 that can move up and down along the vertical beam 12. The rear side of 21 is provided with a limit roller 22, and a radio frequency sensor 23 is provided on the cross bar 21. The radio frequency sensor 23 can move laterally along the cross bar 21. The guide roller 3 is arranged below the sensing device 2. The At least one group of printing rollers 4 is arranged below the guide roller 3 , and the group of printing rollers 4 includes an ink cartridge 41 , an ink roller 42 is arranged in the ink cartridge 41 , and an ink transfer roller 43 is arranged inside the ink roller 42 , a plate roller 44 is arranged inside the ink transfer roller 43, a pressing roller 45 is arranged inside the plate roller 44, and the material passes between the plate roller 44 and the pressing roller 45, and the three groups of printing rollers are provided with The traction roller 5 is provided with a traction pressure roller 51 inside the traction roller 5 .

Further, the vertical beam 12 is provided with an outwardly extending platform 6, the platform 6 is provided with a first guide rail 61, the first guide rail 61 is provided with a workbench 7, and the inner side of the workbench 7 is provided There is a plate roller bracket 71, the plate roller bracket 71 is provided with the plate roller 44, the outer side of the table 7 is provided with a second guide rail 72, the second guide rail 72 is provided with an ink cartridge bracket 73, the ink cartridge bracket 73 An ink cartridge 41, an ink roller 42 and an ink transfer roller 43 are provided on the ink cartridge 41. The ink cartridge 41 is fixedly connected with the ink cartridge holder 73. The ink roller 42 is arranged in the ink cartridge 41 and is connected with the ink cartridge holder 73 through a bearing. The ink transfer roller 43 is arranged on one side of the ink roller 42 and is connected with the ink cartridge holder 73 through a bearing.

Further, the upper end of the plate roller support 71 is provided with a telescopic cylinder 74, the outer end of the plate roller 44 is provided with an induction iron block 75, and the plate roller support 71 is provided with a proximity sensor corresponding to the induction iron block 75. 76.

Further, a displacement monitoring device 8 is provided at the discharge end of the traction roller 4, and the displacement monitoring device includes a bracket 81. The bracket 81 is provided with an upper roller group 82 and a lower roller group 83. The lower roller group 83 It is hinged with the bracket 81 and connected with a displacement sensor 84 , one end of the displacement sensor 84 is hinged to the bracket 81 , and the other end is hinged to the lower roller group 83 .

Further, a drying device 9 is arranged between the printing roller group 4 and the traction roller, and the drying device 9 includes a drying box, and a plurality of groups of resistance wires are arranged in the drying box, and one side of the drying box is A blower is provided, and the blower is connected to the drying box through an air duct, and the air outlet of the drying box faces the direction of the material.

Further, a center rod 31 is provided in the guide roller 3, a bushing 32 is provided between the center rod 31 and the guide roller 3, and the guide roller 3, the center rod 31 and the bushing 32 can move with each other , the shaft sleeve 32 is provided with a fixing hole 33, the shaft sleeve 32 and the central rod 31 can be fixed by a limit nut 34, the two ends of the central rod 31 are provided with a lead screw 35, the horizontal rod 21 can move up and down along the lead screw 35, the guide roller 3 and the lead screw 35 are connected by 36 sets of 90° bevel gears, the cross bar is provided with a bending piece that can slide left and right along the cross bar 21 37. The bending piece 37 is connected with the cross bar 21 through the positioning nut 38, the bending piece 37 is provided with a radio frequency sensor 23, the central rod 31 is connected with the frame 1 through a bearing, and one end of the central rod 31 is provided with a radio frequency sensor 23. There are handles 39.

Further, the tension roller set 13 is three sets of rollers arranged on the upper end of the frame.

The ink transfer roller 43, the plate roller 44 and the traction roller 4 are all controlled by motors, and their connection methods belong to the conventional technical means of those skilled in the art. The first guide rail 62 and the second guide rail 72 are all screw structures, which The movement mode and the connection mode belong to the conventional technical means of those skilled in the art, so they will not be described again.

Before use, the motors that control the ink transfer roller 43 and the plate roller 44 are turned on, and the ink transfer roller 43 and the plate roller 44 are adjusted.

The ink transfer roller 43 is separated from the plate roller 44, the plate roller 44 is idling slowly, the telescopic cylinder 74 rises synchronously, and the number of rotations can be set, monitored by the proximity sensor 46, and rotated until the edge of the plate roller 44 has no obvious ink.

The telescopic cylinder 74 descends, and the second guide rail 72 slowly tightens the adjustment handle of the second guide rail 72 to make the ink transfer roller 43 close to the plate roller 44 until the plate is colored, taking care to prevent the plate roller 44 from being crushed.

After the machine is turned on, the material 10 as shown in Figure 1 passes through the tension roller wheel group 13, the sensor device 2, the guide roller 3, the printing roller group 4 and the traction roller 5 in turn. During production, first use the defective bag to test the machine, according to the printing effect. Make adjustments until you get the best results.

Claims (7)

1. A non-woven bag back printing device, comprising a frame, the frame is an upside-down "L" shape, including a beam and a vertical beam, the beam is provided with a tensioning roller set, and the upper edge of the vertical beam is In the feeding direction, a sensor device, a guide roller, a printing roller group and a traction roller are arranged in sequence. The sensor device includes a cross bar that can move up and down along the vertical beam. The back side of the cross bar is provided with a limit roller. A radio frequency sensor is arranged on the rod, and the radio frequency sensor can move laterally along the transverse rod. The guide roller is arranged below the sensing device, and at least one group of printing rollers is arranged under the guide roller, and the printing roller group includes The ink cartridge is provided with an ink roller, the inner side of the ink roller is provided with an ink transfer roller, the inner side of the ink transfer roller is provided with a plate roller, the inner side of the plate roller is provided with a pressure roller, and the material to be printed is Passing between the plate roller and the pressing roller, a traction roller is arranged on the diagonally above the printing roller group, and a traction pressing roller is arranged on the inner side of the traction roller. 2 . The non-woven bag back-printing device according to claim 1 , wherein a platform extending outward is provided on the vertical beam, and a first guide rail is provided on the platform, and the first guide rail is 2. 3 . There is a worktable on the upper side, a plate roller bracket is arranged on the inner side of the worktable, a plate roller is arranged on the plate roller bracket, a second guide rail is arranged on the outer side of the worktable, and an ink cartridge bracket is arranged on the second guide rail, The ink cartridge holder is provided with an ink cartridge, an ink roller and an ink transfer roller, the ink cartridge is fixedly connected with the ink cartridge holder, the ink roller is arranged in the ink cartridge and is connected with the ink cartridge holder through a bearing, and the ink delivery roller is arranged on the ink roller one side and is connected with the cartridge holder through a bearing. 3. The non-woven bag back-printing device according to claim 2, wherein a telescopic cylinder is arranged on the upper end of the plate roller support, an induction iron block is arranged on the outer end of the axis of the plate roller, and the plate The roller bracket is provided with a proximity sensor corresponding to the induction iron block. 4. The non-woven bag back-printing device according to claim 1, characterized in that, a displacement monitoring device is provided at the discharge end of the traction roller, and the displacement monitoring device comprises a bracket, and an upper plate is arranged in the bracket. A roller group and a lower roller group, the lower roller group is hinged with the bracket, and is connected with a displacement sensor, one end of the displacement sensor is hinged with the bracket, and the other end is hinged with the lower roller group. 5. The non-woven bag back-printing device according to claim 1, wherein a center rod is arranged in the guide roller, a bushing is arranged between the center rod and the guide roller, and the guide roller , The center rod and the shaft sleeve can move with each other, the shaft sleeve is provided with a fixing hole, the shaft sleeve and the center rod can be fixed by a limit nut, and the two ends of the center rod are provided with lead screws, The cross bar can move up and down along the lead screw, the guide roller and the lead screw are connected by a 90° bevel gear group, and the cross bar is provided with a bending piece that can slide left and right along the cross bar, so the The bending piece is connected with the cross bar through the positioning nut, the bending piece is provided with a radio frequency sensor, the central rod is connected with the frame through a bearing, and one end of the central rod is provided with a handle. 6. The non-woven bag back printing device according to claim 1, wherein a drying device is provided between the printing roller group and the traction roller, and the drying device comprises a drying box, and the drying A plurality of resistance wires are arranged in the box, a blower is arranged on one side of the drying box, and the blower is connected with the drying box through an air guide pipe, and the air outlet of the drying box faces the direction of the material. 7 . The back-printing device for non-woven bags according to claim 1 , wherein the tension roller set is three sets of rollers arranged on the upper end of the frame. 8 .

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