CN220243786U

CN220243786U - Broken line pressing-cutting rewinder

Info

Publication number: CN220243786U
Application number: CN202122069980.9U
Authority: CN
Inventors: 张亚锋
Original assignee: Weinan Qinya Printing And Packaging Machinery Co ltd
Current assignee: Weinan Qinya Printing And Packaging Machinery Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2023-12-26
Anticipated expiration: 2031-08-30

Abstract

The utility model belongs to the technical field of printing machinery, and particularly relates to a broken line press-cutting rewinder, which comprises a rack provided with two side wallboards, wherein an unreeling mechanism is arranged at the front end of the rack, a reeling mechanism is arranged at the rear end of the rack, a traction mechanism and a press-cutting mechanism are sequentially arranged between the unreeling mechanism and the reeling mechanism, a plurality of guide rollers are arranged between the unreeling mechanism and the traction mechanism and between the press-cutting mechanism and the reeling mechanism, and a sensing roller is also arranged at the same time, and is used for detecting the tension of a material film and transmitting data to a PLC (programmable logic controller) so as to control the rotating speed of a motor and enable the tension of the material film to reach a set value. The position of the knife roller of the dashed line pressing-cutting rewinder is fixed, the knife roller is directly driven to rotate by a servo motor, and the distance of punching on the material film is controlled by the upward and downward movement of the bottom roller, so that the combination of the knife roller and the bottom roller is stable.

Description

Broken line pressing-cutting rewinder

Technical Field

The utility model belongs to the technical field of printing machinery, and particularly relates to a broken line pressing-cutting rewinder.

Background

In medicine packaging, some medicine bags also need to cut a section of broken line between each medicine bag pattern after the pattern printing process is finished, so that the medicine bags can be separated after the medicine bag packaging is finished. At present, most drug bag production factories use laser to burn to finish the function of cutting broken lines, and the broken line hole parts which are punched out have burrs and are easy to deform because the material has obvious response to heat. The existing broken line cutting device has the problems that 4 medicine bags can be cut by the knife roller in one circle, in order to meet the requirement that one knife roller can cut medicine bags with different specifications, acceleration and deceleration are needed for 4 times, the roller surface runout of the knife roller is large in the acceleration and deceleration process, the cut broken line yield is low, and the technical substitution cannot be met.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a broken line pressing-cutting rewinder.

The utility model is realized by the following technical scheme: the utility model provides a rewinding machine is cut to dotted line pressure, including the frame that is provided with both sides wallboard, the front end of frame sets up unreels the mechanism, the rear end of frame sets up winding mechanism, traction mechanism and pressure are cut the mechanism has been set gradually between unreeling mechanism and winding mechanism, be provided with a plurality of deflector rolls between unreeling mechanism and traction mechanism and pressure between cutting mechanism and the winding mechanism, still be provided with the sensing roller simultaneously, the sensing roller is used for detecting material membrane tension size to give PLC to data transmission to control motor rotational speed makes material membrane tension reach the setting value.

In the above scheme, for making receipts material roll closely not loose, the frame rear end is provided with receipts material compression roller device, receipts material compression roller device includes receipts material compression roller arm, and receipts material compression roller arm one end articulates in the frame, and the other end articulates there is the forearm, and the end of forearm sets up receives the material compression roller, is connected with the compression roller arm cylinder on the arm of receipts material compression roller arm.

In the scheme, the angle positioning screw is arranged at the joint of the small arm and the material receiving compression roller.

In the above-mentioned scheme, press cutting mechanism includes knife roll, backing roll and compression roller, and the material membrane walks around the backing roll and passes out, and the knife roll sets up on the backing roll and fixes in the frame, and the axle head of knife roll is provided with knife roll servo motor direct drive knife roll rotation, and the backing roll can reciprocate fix on both sides wallboard, and the axle head of backing roll is provided with backing roll servo motor direct drive backing roll rotation, and the compression roller sets up side at the backing roll side and can horizontal lateral movement side by side.

In the above scheme, the both ends of backing roll are provided with vertical first linear guide rail pair, and first linear guide rail is vice to be fixed in the wallboard inboard, is provided with the slide on the first linear guide rail pair, is provided with the slider A that removes on the slide, and the backing roll passes through the bearing to be fixed on slider A, is connected with backing roll drive cylinder on the slide.

In the scheme, the lower extreme of slider A is provided with accommodate the lead screw, and accommodate the lead screw's upper end and be connected with slider A through the nut, accommodate the lead screw's lower extreme and be connected with the regulation pole through bevel gear drive pair, adjust the axle head of pole and be provided with the dial plate hand wheel.

In the scheme, the sliding plates on the two sides are respectively provided with the bottom roller synchronous racks, and the bottom roller synchronous racks are meshed with the coaxial gears.

In the scheme, the two ends of the press roller are provided with the second linear guide rail pair, the press roller is fixed on a slide block B of the second linear guide rail pair through a bearing, and the slide block is connected with a press roller cylinder for driving the press roller to transversely move.

In the scheme, the slide block B is provided with a pressing roller synchronous rack, and the pressing roller synchronous rack is meshed with the coaxial gear.

Compared with the prior art, the broken line pressing cutting rewinder has the beneficial effects that:

1. the knife roller and the bottom roller of the broken line pressing and cutting rewinder are driven by independent servo motors, so that the problem that the backlash caused by power transmission of gears cannot be eliminated and the precision is limited is effectively solved.

2. The knife roller is fixed in position and is directly driven to rotate by a servo motor, the rotating speed of the knife roller is unchanged, the knife roller is stably combined with the bottom roller in operation, and the distance of punching on the material film is controlled by the upward and downward movement of the bottom roller.

3. The relative position of the knife roller is fixed, the knife roller is directly driven to rotate by a servo motor, 4 medicine bags can be cut in one circle of rotation, the medicine bags with different specifications can be cut by one knife roller, acceleration and deceleration are needed for 4 times, and in the acceleration and deceleration process, the rotation impact of the knife roller is directly transmitted to the frame, so that the quality is stable and reliable.

Drawings

Fig. 1 is a schematic structural view of a broken line pressing and cutting rewinder according to the present utility model.

Fig. 2 is an enlarged view of the member 6 of fig. 1.

Fig. 3 is a view in the direction a in fig. 2.

Fig. 4 is a B-direction rotation view in fig. 2.

In the figure: 1. unreeling mechanism, 2, frame, 3, sensor roller, 4, traction mechanism, 5, film stock, 6, cutting mechanism, 7, roller arm cylinder, 8, receiving roller arm, 9, arm, 10, angle set screw, 11, receiving roller, 12, winding mechanism, 13, knife roller, 14, bottom roller, 15, roller, 16, roller cylinder, 17, roller synchronous rack, 18, bottom roller synchronous rack, 19, bottom roller driving cylinder, 20, bevel gear driving pair, 21, adjusting lever, 22, dial hand wheel, 23, bottom roller servo motor, 24, knife roller servo motor, 25, slide block A,26, nut, 27, adjusting screw, 28, slide plate, 29, second linear guide pair, 30, slide block B,31.

Detailed Description

The utility model is further described with reference to the drawings and the specific embodiments by a dashed line pressing and cutting rewinder:

fig. 1 is a schematic view of a broken line press-cutting rewinder according to the present utility model, fig. 2 is an enlarged view of a member 6 of fig. 1, fig. 3 is an a-direction view of fig. 2, and fig. 4 is a B-direction view of fig. 2. In the figure, this broken line is pressed and is cut rewinding machine is including the frame 2 that is provided with both sides wallboard, the front end of frame 2 sets up unreel mechanism 1, the rear end of frame sets up winding mechanism 12, traction mechanism 4 and press and cut mechanism 6 have been set gradually between unreeling mechanism 1 and winding mechanism 12, be provided with a plurality of deflector rolls between unreeling mechanism 1 and traction mechanism 4 and press and cut mechanism 6 and winding mechanism 12, still be provided with sensing roller 3 simultaneously, sensing roller 3 is used for detecting material membrane 5 tension size, and give PLC with data, thereby control motor rotational speed, make material membrane tension reach the setting value. In order to enable the material receiving roll to be compact and not loose, the rear end of the frame 2 is provided with a material receiving press roll device, the material receiving press roll device comprises a material receiving press roll arm 8, one end of the material receiving press roll arm 8 is hinged to the frame 2, the other end of the material receiving press roll arm is hinged to a small arm 9, the end of the small arm 9 is provided with a material receiving press roll 11, the arm body of the material receiving press roll arm 8 is connected with a press roll arm cylinder 7, and an angle positioning screw 10 is arranged at the joint of the small arm 9 and the material receiving press roll 11. The pressing and cutting mechanism 6 comprises a knife roll 13, a bottom roll 14 and a press roll 15, the material film 5 bypasses the bottom roll 14 and is transmitted out, the knife roll 13 is arranged on the bottom roll 14 and is fixed on a frame, a knife roll servo motor 24 is arranged at the shaft end of the knife roll 13 and directly drives the knife roll to rotate, a longitudinal first linear guide rail pair 31 is arranged at the two ends of the bottom roll 14, the first linear guide rail pair 31 is fixed on the inner side of a wallboard, a sliding plate 28 is arranged on the first linear guide rail pair 31, a sliding block A25 moving on the sliding plate is arranged on the sliding plate 28, the bottom roll is fixed on the sliding block A through a bearing, a bottom roll driving cylinder 19 is connected on the sliding plate 28, an adjusting screw 27 is arranged at the lower end of the sliding block A25, the upper end of the adjusting screw 27 is connected with the sliding block A25 through a nut 26, an adjusting rod 21 is connected at the lower end of the adjusting screw 27 through a bevel gear transmission pair 20, and a dial hand wheel 22 is arranged at the shaft end of the adjusting rod 21. The bottom roller servo motor 23 is arranged at the shaft end of the bottom roller 14 to directly drive the bottom roller to rotate, and the compression rollers 15 are arranged on the side surface of the bottom roller 14 side by side and can horizontally and transversely move. The bottom roller synchronous racks 18 are arranged on the sliding plates on the two sides and meshed with the coaxial gears, so that the synchronization can be ensured when the bottom roller 14 moves up and down, and no deviation is generated. The two ends of the press 15 are provided with second linear guide rail pairs 29, the press roller is fixed on a slide block B30 of the second linear guide rail pairs through a bearing, and the slide block B is connected with a press roller cylinder 16 for driving the press roller to transversely move. The slide block B30 is provided with a press roller synchronous rack 17 which is meshed with a coaxial gear.

When the machine works, the material film 5 is sent to the pressing and cutting mechanism 6 by the unreeling mechanism 1 through the traction mechanism 4, when a dotted line hole needs to be punched on the material film, the bottom roller 14 moves upwards to be in contact with the knife roller 13 with the material film 5, and when the machine needs to be interrupted, the bottom roller moves downwards to be separated from the knife roller, and the knife roller does not punch the material film any more. The perforated material film is wound on the winding mechanism 12 through the guide roller, and the material film is tightly pressed by the material receiving press roller 11 in real time, so that the material is wound tightly and is not loosened.

The knife roller and the bottom roller of the broken line pressing and cutting rewinding machine are driven by the independent servo motor, so that packaging materials with the circumferences being changed in a certain range can be completed, the knife roller is fixed in position and is directly driven to rotate by the servo motor, the rotating speed of the knife roller is unchanged, the knife roller is enabled to be stably operated in combination with the bottom roller, the punching distance on a material film is controlled by means of up-down movement of the bottom roller, and the problems that backlash caused by power transmission by gears cannot be eliminated, accuracy is limited and the like are effectively solved.

The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the above-mentioned embodiments, and any person skilled in the art will readily appreciate that many modifications, equivalent changes and modifications are possible in the embodiments without departing from the scope of the present utility model.

Claims

1. The utility model provides a rewinding machine is cut to dotted line pressure, is including frame (2) that are provided with both sides wallboard, and the front end of frame (2) sets up unreeling mechanism (1), and the rear end of frame (2) sets up winding mechanism (12), its characterized in that: traction mechanism (4) and pressure cutting mechanism (6) have been set gradually between unreeling mechanism (1) and winding mechanism (12), be provided with a plurality of deflector rolls between unreeling mechanism (1) and traction mechanism (4) and pressure cutting mechanism (6) and winding mechanism (12), still be provided with sensing roller (3) simultaneously, sensing roller (3) are used for detecting material membrane tension size to give PLC with data to control motor rotational speed makes material membrane tension reach the setting value.

2. A dashed-line pressing and cutting rewinder according to claim 1, characterized in that: the machine frame is characterized in that a receiving press roll device is arranged at the rear end of the machine frame (2), the receiving press roll device comprises a receiving press roll arm (8), one end of the receiving press roll arm (8) is hinged to the machine frame (2), the other end of the receiving press roll arm is hinged to a small arm (9), a receiving press roll (11) is arranged at the end of the small arm (9), and a press roll arm cylinder (7) is connected to the arm body of the receiving press roll arm (8).

3. A dashed-line pressing and cutting rewinder according to claim 2, characterized in that: an angle positioning screw (10) is arranged at the joint of the small arm (9) and the material receiving compression roller (11).

4. A dashed-line pressing and cutting rewinder according to claim 1, characterized in that: the press-cutting mechanism (6) comprises a knife roll (13), a bottom roll (14) and a press roll (15), wherein a material film (5) is wound around the bottom roll (14) and is conveyed out, the knife roll (13) is arranged on the top of the bottom roll (14) and fixed on the frame (2), the shaft end of the knife roll (13) is provided with a knife roll servo motor (24) for directly driving the knife roll to rotate, the bottom roll (14) can be fixed on two side wallboards in a vertically movable mode, the shaft end of the bottom roll (14) is provided with a bottom roll servo motor (23) for directly driving the bottom roll to rotate, and the press roll (15) is arranged on the side face of the bottom roll (14) side by side and can horizontally and transversely move.

5. The dash-line pressure-cutting rewinder of claim 4, wherein: the two ends of the bottom roller (14) are provided with longitudinal first linear guide rail pairs (31), the first linear guide rail pairs (31) are fixed on the inner side of the wallboard, sliding plates (28) are arranged on the first linear guide rail pairs (31), sliding blocks A (25) moving on the sliding plates are arranged on the sliding plates (28), the bottom roller (14) is fixed on the sliding blocks A (25) through bearings, and bottom roller driving cylinders (19) are connected on the sliding plates (28).

6. The dash-line pressure-cutting rewinder of claim 5, wherein: the lower extreme of slider A (25) is provided with accommodate the lead screw (27), and the upper end of accommodate the lead screw (27) is connected with slider A (25) through nut (26), and the lower extreme of accommodate the lead screw (27) is connected with regulation pole (21) through bevel gear drive pair (20), and the axle head of regulation pole (21) is provided with dial plate hand wheel (22).

7. The dash-line pressure-cutting rewinder of claim 5, wherein: the sliding plates (28) on the two sides are respectively provided with a bottom roller synchronous rack (18), and the bottom roller synchronous racks (18) are meshed with the coaxial gears.

8. The dash-line pressure-cutting rewinder of claim 4, wherein: the two ends of the press roller (15) are provided with second linear guide rail pairs (29), the press roller (15) is fixed on a slide block B (30) of the second linear guide rail pairs through a bearing, and the slide block B (30) is connected with a press roller cylinder (16) for driving the press roller to transversely move.

9. The dash-line pressure-cutting rewinder of claim 8, wherein: the sliding block B (30) is provided with a pressing roller synchronous rack (17), and the pressing roller synchronous rack (17) is meshed with a coaxial gear.