Die cutting mechanism for rotary die cutting machine

Abstract

The utility model discloses a die cutting mechanism for a rotary die cutting machine, which comprises a material placing frame and a stacking frame, and a die cutting component is arranged between the material placing frame and the stacking frame; the die cutting assembly comprises a rack, a first die cutting roller is arranged on the rack, and a second die cutting roller is arranged above the first die cutting roller; fixing grooves are formed in the circumferential face of the first die cutting roller and the circumferential face of the second die cutting roller. Due to the fact that the knife skins of different styles can be replaced on the two die cutting rollers, when the styles are changed, only the knife skins need to be taken down from the fixing grooves, the needed knife skins need to be replaced, the two ends of the replaced knife skins are fixed in the fixing grooves, and die cutting of products of different styles can be completed under the condition that the die cutting rollers are not replaced. And the production efficiency of the die cutting mechanism is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to film cutting equipment technical field, concretely is a die -cutting mechanism for round -to -round die -cutting machine. BACKGROUND

[0002] Round -to -round die -cutting machine is mainly used for cutting film, paper or packaging bag material into the shape required, and the die -cutting mechanism (regardless of whole knife, insert block knife or magnetic knife) of existing round -to -round die -cutting machine is corresponding relationship when cutting, and it is necessary to change round -to -round die -cutting roller or round -to -round die -cutting station when changing die -cutting products, however, the die -cutting roller needs to use the die -cutting roller corresponding to the style when cutting different styles of products, for example, the die -cutting roller with the circumference of 50cm is used when cutting the film with the style size of 50cm long, and the die -cutting roller with the circumference of 100cm is used when cutting the film with the style size of 100cm long. SUMMARY

[0003] The utility model discloses a kind of die -cutting mechanisms for round -to -round die -cutting machine, to solve the problem raised in above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of die -cutting mechanism for round -to -round die -cutting machine, including material placing frame and stacking frame, and die -cutting assembly is equipped between the material placing frame and the stacking frame;The die -cutting assembly includes rack, first die -cutting roller is equipped on the rack, and second die -cutting roller is equipped above the first die -cutting roller;And the circumference of the first die -cutting roller and the second die -cutting roller is equipped with fixed groove.

[0005] As a preferred technical scheme of the utility model: the two ends of the second die -cutting roller are connected with the rack by the sliding block, and the upper end of the rack is further equipped with adjusting assembly, and the gap between the second die -cutting roller and the first die -cutting roller is adjusted by the adjusting assembly.

[0006] As a preferred technical scheme of the utility model: the upper end of the rack is further equipped with fixed plate, the adjusting assembly includes connecting seat fixed on the fixed plate and top rod moving in the connecting seat;The one end of the top rod is moved to the sliding block by the top rod moving in the connecting seat.

[0007] As a preferred technical scheme of the utility model: the one end of the top rod is connected with the fixed part by penetrating the fixed plate, and the top rod is fixed on the fixed plate by the fixed part.

[0008] As a preferred technical scheme of the utility model: the fixed groove is connected with the batten.

[0009] The beneficial effects of the utility model are that different styles of knife blades can be replaced on the two die-cutting rollers, when the style changes, only the knife blade is taken out from the fixing groove, the required knife blade is replaced, and the two ends of the replaced knife blade are fixed in the fixing groove, so that the die-cutting of different styles of products can be completed without replacing the die-cuting rollers. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a schematic diagram of the main body structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the main body structure of the utility model;

[0012] Figure 3 It is a schematic diagram of one side of the utility model after the material placing frame and the die-cutting assembly are exploded;

[0013] Figure 4 It is a schematic diagram of the other side of the utility model after the material placing frame and the die-cuting assembly are exploded;

[0014] Figure 5 It is a schematic diagram of the main body structure of the utility model;

[0015] Figure 6 It is a schematic diagram of the main body structure of the utility model; Figure 5 It is a partial enlarged schematic diagram of position A in the utility model;

[0016] Figure 7 It is a schematic diagram of the exploded structure of the die-cutting assembly of the utility model;

[0017] Figure 8 It is a schematic diagram of the main body structure of the utility model; Figure 7 It is a partial enlarged schematic diagram of position B in the utility model;

[0018] Figure 9 It is a schematic diagram of the exploded structure of the second die-cutting roller of the utility model.

[0019] In the figure: 1, the feeding rack; 10, the storage assembly; 11, the guide rod; 12, the first roller; 13, the first motor; 14, the second roller; 15, the transmission belt; 16, the transmission shaft; 17, the first side plate; 18, the second side plate; 19, the sliding block; 110, the guide rail; 111, the feeding roller; 112, the second motor; 2, the stacking rack; 20, the waste collecting opening; 21, the waste discharging opening; 3, the die cutting assembly; 30, the frame; 31, the first die cutting roller; 32, the second die cutting roller; 33, the fixed plate; 34, the adjusting assembly; 35, the sliding block; 36, the connecting seat; 37, the ejector rod; 38, the fixing piece; 39, the fixed groove; 310, the pressing strip; 311, the third motor. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "upper surface" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0021] Please refer to Figures 1-9 The present application provides an embodiment: a die cutting mechanism for a round-to-round die cutting machine, comprising a feeding rack 1 and a stacking rack 2, and a die cutting assembly 3 is arranged between the feeding rack 1 and the stacking rack 2; the inside of the feeding rack 1 is provided with a storage assembly 10, the storage assembly 10 comprises a first side plate 17 and a second side plate 18; one side of the first side plate 17 is further provided with a first motor 13, and a transmission shaft 16 and a first roller 12 are further arranged between the first side plate 17 and the second side plate 18; the first motor 13 drives the transmission shaft 16 to work with the transmission belt 15 arranged therein, so as to drive the first roller 12 to move upward or downward between the first side plate 17 and the second side plate 18.

[0022] Because the storage assembly 10 is arranged inside the feeding rack 1, the film material can be wound by the storage assembly 10 when the die-cutting assembly 3 is paused, specifically, when the first motor 13 drives the transmission shaft 16 to rotate, and then drives the first roller 12 to move between the two side plates to stretch the film material and reduce the accumulation of the film material; when the die-cuting assembly 3 works, the first motor 13 is reversed to drive the first roller 12 to move upward to release the film material, so as to facilitate the smooth die-cutting of the film material, and in particular, the arrangement of the storage assembly 10 makes the device suitable for the smooth conversion of the film material from uniform motion to intermittent motion or step motion.

[0023] Further, because the first side plate 17 and the second side plate 18 are further provided with guide rails 110, and both ends of the first roller 12 are slidably connected with the guide rails 110 by the sliding blocks 19, the first roller 12 can slide in a directional manner, and the resistance during the sliding process is smaller, so as to reduce the output power of the first motor 13.

[0024] Further, because the first side plate 17 and the second side plate 18 are further provided with the second roller 14; wherein the first side plate 17 and the second side plate 18 are both provided with guide rods 11, and both ends of the second roller 14 are slidably connected with the guide rods 11, therefore, the second roller 14 further tensions the passing film material, and it can automatically move by using the weight and the pulling force of the film material, so as to realize the tensioning of the film material and further reduce the power consumption of the device.

[0025] The existing die-cutting roller needs to use the corresponding die-cutting roller when cutting different styles of products, for example, when cutting the film material with a style size of 50 cm long, a die-cutting roller with a circumference of 50 cm needs to be used, and when cutting the film material with a style size of 100 cm long, a die-cutting roller with a circumference of 100 cm needs to be used.

[0026] The die-cutting assembly 3 comprises a frame 30, a first die-cutting roller 31 is arranged on the frame 30, and a second die-cutting roller 32 is arranged above the first die-cutting roller 31; and fixed grooves 39 are arranged on the circumferential surfaces of the first die-cutting roller 31 and the second die-cutting roller 32. Since different styles of knife blades can be replaced on the two die-cutting rollers, when the style is changed, the knife blade is only needed to be taken out from the fixed groove 39, the required knife blade is replaced, and the two ends of the replaced knife blade are fixed in the fixed groove 39, so that the die-cutting of different styles of products can be completed without replacing the die-cutting rollers. For example, when the die-cutting of a 100cm style is needed, the knife blade with a 100cm style is fixed in the fixed groove 39, so that the product with a 100cm style can be directly cut; when the die-cutting of a 50cm style is needed, the knife blade with a 50cm style is fixed in the fixed groove 39, so that the die-cutting of the film material with a 50cm style can be completed without replacing the first die-cutting roller 31 and the second die-cutting roller 32.

[0027] Specifically, when the first die-cutting roller 31 and the second die-cutting roller 32 with a circumference of 100cm are used to die-cut a 50cm film material, the second motor 112 on the feeding rack 1 stops working, so that the feeding roller 111 stops conveying the film material; when the film material stops being conveyed, the third motor 311 on the frame 30 drives the first die-cutting roller 31 to reset, that is, the 50cm long knife blade is rotated to the initial position, and then the second motor 112 and the third motor 311 are started to promote the film material to be smoothly cut. In addition, the first motor 13, the second motor 112 and the third motor 311 are preferably servo motors, and the transmission belt 15 is preferably a belt.

[0028] Further, since the fixed groove 39 is connected with the pressing strip 310, when the two ends of the knife blade are placed in the fixed groove 39, the pressing strip 310 is pressed in the fixed groove 39 to further fix the knife blade; wherein the pressing strip 310 can be fixed by a fastener such as a bolt penetrating through the pressing strip 310 and being connected with the internal thread hole on the fixed groove 39, so as to ensure that the knife blade works stably and reliably.

[0029] In order to conveniently adjust the gap between the first die-cutting roller 31 and the second die-cutting roller 32, the two ends of the second die-cutting roller 32 are connected with the frame 30 through the sliding blocks 35, and the upper end of the frame 30 is further provided with an adjusting assembly 34, and the gap between the second die-cutting roller 32 and the first die-cutting roller 31 is adjusted through the adjusting assembly 34.

[0030] Specifically, the upper end of the frame 30 is further provided with a fixed plate 33, the adjusting assembly 34 comprises a connecting seat 36 fixed on the fixed plate 33 and a top rod 37 moving in the connecting seat 36; the top rod 37 moves in the connecting seat 36, so that one end of the top rod 37 promotes the sliding block 35 to move.

[0031] In summary, the rotation of the jacking rod 37 in the connecting seat 36 can promote the movement of the second die cutting roller 32 to the first die cutting roller 31, and based on this, the gap between the two die cutting rollers can be freely and conveniently adjusted. The jacking rod 37 and the connecting seat 36 are in threaded cooperation, that is, the outer wall surface of the jacking rod 37 has external threads, and the inner wall surface of the connecting seat 36 has internal threads.

[0032] Further, since the jacking rod 37 is connected with the fixing member 38 at one end penetrating the fixing plate 33, and the jacking rod 37 is fixed on the fixing plate 33 through the fixing member 38, the jacking rod 37 after position movement is locked by the fixing member 38, so that the gap between the two die cutting rollers can be kept after adjustment. The fixing member 38 can be a nut or a clamp.

[0033] In addition, since the stacking frame 2 is also provided with a waste collecting port 20 at one end, and the waste generated by the die cutting assembly 3 is collected through the waste collecting port 20, the device can timely discharge the generated waste while producing normally. Specifically, the stacking frame 2 is also provided with a waste discharge port 21 communicating with the waste collecting port 20.

[0034] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A die-cutting mechanism for a rotary die-cutting machine, characterized in that: It includes a feeding rack (1) and a stacking rack (2), and a die-cutting assembly (3) is provided between the feeding rack (1) and the stacking rack (2). The die-cutting assembly (3) includes a frame (30), on which a first die-cutting roller (31) is provided, and a second die-cutting roller (32) is provided above the first die-cutting roller (31); and both the first die-cutting roller (31) and the second die-cutting roller (32) have fixing grooves (39) on their circumferential surfaces.

2. The die-cutting mechanism for a rotary die-cutting machine according to claim 1, characterized in that: Both ends of the second die-cutting roller (32) are connected to the frame (30) through sliding blocks (35), and the upper end of the frame (30) is also provided with an adjustment component (34), and the gap between the second die-cutting roller (32) and the first die-cutting roller (31) is adjusted by the adjustment component (34).

3. The die-cutting mechanism for a rotary die-cutting machine according to claim 2, characterized in that: The upper end of the frame (30) is also provided with a fixing plate (33), and the adjustment component (34) includes a connecting seat (36) fixed on the fixing plate (33) and a push rod (37) that moves within the connecting seat (36); by moving the push rod (37) within the connecting seat (36), one end of the push rod (37) causes the sliding block (35) to move.

4. The die-cutting mechanism for a rotary die-cutting machine according to claim 3, characterized in that: The top rod (37) passes through one end of the fixing plate (33) and is connected to the fixing member (38), and the top rod (37) is fixed on the fixing plate (33) by the fixing member (38).

5. The die-cutting mechanism for a rotary die-cutting machine according to claim 4, characterized in that: The fixing groove (39) is connected to the pressure strip (310).

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