CN210616705U - High-speed edge blowing device of film splitting machine - Google Patents

Abstract

The utility model discloses a high-speed edge blowing device of a film splitting machine, which comprises a fan and a multi-stage blast pipe communicated with an air outlet of the fan, wherein the pipe diameter of the blast pipe is gradually increased from one end close to the fan to one end far away from the fan; the feed inlet has all been seted up on every level blast pipe, and in every level blast pipe, all be fixed with the deep bead that is the slope form in the position department that closes on the feed inlet, the deep bead inclines along the air supply direction. The high-speed edge blowing device of the film splitting machine changes the arrangement mode of the wind shield, and gradually enlarges the wind cylinders, thereby reducing the operation steps and complexity of the edge blowing device and ensuring the stability of the edge blowing effect; meanwhile, the noise is reduced, the energy consumption is saved, the edge blowing effect is good, the operation efficiency is high, and the method is suitable for the requirement of industrial high-speed production.

Description

High-speed edge blowing device of film splitting machine

Technical Field

The utility model relates to a packing printing field, concretely relates to high-speed limit device that blows of film splitter.

Background

The splitting machine is one of auxiliary machines in the printing and packaging industry and is mainly used for splitting a composite film into materials with fixed width; the composite film is cut by a splitting machine to generate slitter edges, and the slitter edges are treated by an edge blowing device at present.

Application number 201020523448.9's patent manuscript provides a scrap edge blowing pipe for cutting machine is last, and it adopts to open at the blast pipe top surface has the feed inlet, sets up the guide plate and inserts to the blast pipe in from the blast pipe top surface, makes this guide plate be located between air intake and the feed inlet and extend to the mode of feed inlet below along the air supply direction slope. Specifically, the waste edges cut off from the composite film are blown by sucking the waste edges by using the low pressure generated by the high-speed flow of the fluid in the air duct.

However, in general, at least two edge suction ports are required to be arranged in an edge blowing device of a slitting machine, and under the condition of two edge suction ports, because of mutual influence of the two edge suction ports on the same air supply pipe, the edge suction port close to the air duct cannot effectively generate negative pressure, air leakage can be caused, and the purpose of edge suction cannot be achieved. And when the slitter edge that a plurality of cutting machines were cut off is blown the limit simultaneously and is handled, then need set up a plurality of limit devices that blow, need a plurality of fans, the structure is complicated, with high costs, the power consumption is high, can produce more noises. Meanwhile, due to the defects, the edge blowing speed of the splitting machine can only be within 200m/min, and the edge blowing effect and the production efficiency of the splitting machine are greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-speed limit device that blows of film splitter to solve the problem that mentions among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a high-speed edge blowing device of a film splitting machine, which comprises a fan and a multi-stage blast pipe communicated with an air outlet of the fan, wherein the pipe diameter of the blast pipe is gradually increased from one end close to the fan to one end far away from the fan; the feed inlet has all been seted up on every level blast pipe, and in every level blast pipe, all be fixed with the deep bead that is the slope form in the position department that closes on the feed inlet, the deep bead inclines along the air supply direction.

Furthermore, a flexible stopper a is arranged on the edge of the feed port, and the end face friction caused by direct contact of the film edge materials and the feed port is reduced through the flexible stopper a.

Furthermore, the adjacent two stages of air supply pipes are connected through a connecting piece, the end part of a small opening of the connecting piece is fixedly connected with one stage close to the fan, and the end part of a wide opening of the connecting piece is fixedly connected with one stage far away from the fan.

Furthermore, the inner sides of the small-opening end part and the wide-opening end part are provided with internal threads, and the air supply pipe is provided with an external thread structure matched with the internal threads.

Furthermore, the connecting end of the wind shield is fixedly connected with the air supply pipe on the inner side of the port facing one end of the fan, and the free end of the wind shield and the central axis of the feeding hole are located on the same vertical line.

Further, the wind shield is arranged to be of a bent arc structure, and the inner side of a bent arc of the bent arc structure faces the feed port.

Further, the free end of the wind deflector is provided with a flexible stop b for reducing friction.

The utility model has the advantages that: the high-speed edge blowing device of the film splitting machine is simple and novel in structure and low in cost of arrangement and modification; the air supply pipe adopts a mode of gradually increasing, so that the problem that the edge suction port close to the fan cannot effectively generate negative pressure, air leakage can be caused, and the purpose of edge suction cannot be achieved can be solved. Meanwhile, the wind shield arranged on the wind shield is changed from an external inserted sheet type of the air supply pipe in the prior art to an internal fixed type of the air supply pipe, so that the operation steps and complexity of the edge blowing device are reduced, and the stability of the edge blowing effect of the air supply pipe is ensured. This film splitter blows limit device at a high speed through effective improvement to its structure, can realize using a fan to accomplish the slitter edge that a plurality of cutting machines cut off promptly and blow limit work, has practiced thrift the energy consumption, can reduce the noise of blowing limit work in, in actual operation, blows limit speed and can reach more than 500m/min, blows limit effectual, and the operating efficiency is high, is the requirement that adapts to the high-speed production of industrialization.

Drawings

FIG. 1 is a schematic structural view of a high-speed edge blowing device of a film slitting machine.

FIG. 2 is a schematic diagram showing the top view of the high-speed edge blowing device of the film slitting machine.

FIG. 3 is a schematic view of the connection structure of two adjacent stages of the feeding and distributing pipes of the high-speed edge blowing device of the film splitter.

FIG. 4 is a schematic view showing the structure of the connecting piece of the high-speed edge blowing device of the film splitting machine.

FIG. 5 is a schematic view of the installation structure of the connecting pipe of the high-speed edge blowing device of the film splitter.

Wherein: 1. a fan; 2. an air supply pipe; 3. a feed inlet; 31. a flexible stopper a; 4. a wind deflector; 41. a connecting end; 42. a free end; 421. a flexible stopper b; 5. a connecting member; 51. a small opening end part; 52. a wide-mouth end portion; 6. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiment is only one embodiment of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings and specific embodiments. And for the sake of simplicity, the following omits the technical common sense known to those skilled in the art.

As shown in figures 1 and 2, the high-speed edge blowing device of the film splitting machine comprises a fan 1 and a multi-stage air supply pipe 2 communicated with an air outlet of the fan 1, and waste edges are blown through the air supply pipe 2. In this design, the pipe diameter of blast pipe 2 is progressively increased by one end that closes on fan 1 to the one end of keeping away from fan 1 step by step, has all seted up feed inlet 3 on every grade of blast pipe 2, and the slitter edge of cutting down by film splitter gets into to blast pipe 2 inside from feed inlet 3, and then blows limit work.

And an inclined wind shield 4 is fixed in each stage of blast pipe 2 at a position close to the feed inlet 3, and the wind shield 4 is inclined along the air supply direction. In the edge blowing process, the flow velocity at the lower end of the wind shield 4 is greater than the flow velocity at the upper end of the wind shield 4, so that pressure difference can be formed between the upper part and the lower part of the wind shield 4, and the waste edges close to the feed inlet 3 above the wind shield 4 can be effectively sucked into the air supply pipe 2 to be blown.

Specifically, start fan 1, make the wind that fan 1 produced blow to its air-out end department from the air inlet end of blast pipe 2, under the effect of deep bead 4, utilize pressure differential, inhale the slitter edge that the complex film was cut off to blast pipe 2 in adopting the inspiratory mode and blow the limit. Here, the blast pipe 2 communicating with the right fan 1 is sequentially provided with a primary blast pipe, a secondary blast pipe, a tertiary blast pipe and an N-stage blast pipe 2 from right to left, and the pipe diameters gradually increase from right to left.

In specific implementation, the blast pipe 2 is gradually enlarged, so that the diameter length of the blast pipe 2 at the previous stage is slightly equal to the distance between the free end 42 of the baffle in the blast pipe 2 at the next stage and the lower end of the blast pipe 2 at the previous stage, and the problem that the edge suction port close to the fan 1 cannot effectively generate negative pressure, air leaks and the purpose of edge suction cannot be achieved is solved; the edge blowing device has good edge blowing effect and high operation efficiency, and meets the requirement of industrial high-speed production.

Meanwhile, the wind shield 4 on the high-speed edge blowing device of the film splitting machine is changed from an external inserting type of the blast pipe 2 in the prior art into an internal fixing type of the blast pipe 2, so that the operation steps and complexity of the edge blowing device are reduced, and the stability of the edge blowing effect of the blast pipe 2 is ensured. The high-speed edge blowing device of the film splitting machine is simple in structure and low in setting cost, can achieve the effect that the waste edges cut by a plurality of splitting machines can be blown by one fan 1, and saves energy consumption; and the noise in the edge blowing work can be reduced, and the edge blowing speed can reach more than 500m/min in actual operation.

Moreover, when the waste edge is sucked into the blast pipe 2 for subsequent edge blowing work, the waste edge can continuously contact and rub with the edge of the feed port 3; therefore, in practical operation, it is also preferable to provide a flexible stopper a31 on the edge of the feed inlet 3, so that the waste edge contacts the flexible stopper a31 when the waste edge is blown into the suction blower pipe 2, and the end friction caused by the direct contact of the film edge with the feed inlet 3 is reduced by the flexible stopper a 31. Specifically, the flexible stopper a31 is disposed at one end of the feed port 3 away from the fan 1.

As shown in fig. 1 and 4, in the design of the present invention, two adjacent stages of air supply pipes 2 are connected by a connecting member 5, and a small end 51 of the connecting member 5 is fixedly connected to a stage close to the blower 1, and a wide end 52 of the connecting member 5 is fixedly connected to a stage far away from the blower 1; the two-stage blast pipes 2 adjacent to each other with different pipe diameters are connected through the connecting piece 5, so that the requirement of multistage setting of the blast pipes 2 is met, and the simultaneous edge blowing work of slitter edges cut by a plurality of splitting machines is realized.

Specifically, the inner sides of the small-mouth end part 51 and the wide-mouth end part 52 can be provided with internal threads, the air supply pipe 2 is provided with an external thread structure matched with the internal threads, the adjacent two stages of air supply pipes 2 are connected in a threaded connection mode, and the concrete connection mode has the advantages of simplicity, firmness, convenience in disassembly, installation, convenience in operation and the like. Of course, the method is not limited to the threaded connection, and fastening methods such as clamping, even welding and the like can be adopted; the specific design is set by the technical personnel according to the actual situation.

In specific implementation, the connecting end 41 of the wind shield 4 of the high-speed edge blowing device of the film splitting machine can be fixedly connected with the inner side of the port on the air supply pipe 2 and at one end facing the fan 1, and the free end 42 of the wind shield 4 and the central axis of the feeding hole 3 are positioned on the same vertical line; when wind enters the blast pipe 2 with the larger pipe diameter of the next stage, the suction work of the slitter edge can be completed under the action of the baffle plate, and the stability of the edge blowing effect is further ensured.

The utility model discloses a preferred embodiment does: as shown in figure 3, the wind shield 4 of the high-speed edge blowing device of the film splitting machine is arranged in a bent arc structure, and the bent arc inner side of the bent arc structure faces the feed opening 3. Through the design to deep bead 4 structure for the wind in blast pipe 2 has reduced the wind to the straight impact force of deep bead 4 when the deep bead 4, has improved the life of deep bead 4. Meanwhile, the pressure difference formed by the wind speed flow between the upper part and the lower part of the wind shield 4 can be further increased, so that waste edges can be better sucked, the wind speed of the fan 1 does not need to be increased, and the energy consumption is saved.

In the above preferred embodiment, the free end 42 of the wind deflector 4 may be provided with a flexible stopper b421 for reducing the contact friction between the waste edge and the free end 42 of the wind deflector 4 during the edge blowing operation in the blower pipe 2, thereby ensuring the high efficiency of the edge blowing. It should be noted that the material of the flexible stopper a31 and the flexible stopper b421 herein is not limited by the present design, as long as the material can reduce the friction, and those skilled in the art should know and be within the scope of the present application.

Of course, as shown in fig. 5, when a certain stage of air supply pipe 2 needs to be conveyed in a long distance and no other waste edge needs to be sucked in the process, the stage of air supply pipe can be connected in sections, and the stage of air supply pipe 2 with multiple copper pipe diameters can be connected by adopting the connecting pipe 6 so as to meet the length requirement of conveying, and the installation and the disassembly are convenient.

In the description above, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. Moreover, repeated use of the phrase "in accordance with an embodiment of the present application" although it may possibly refer to the same embodiment, does not necessarily refer to the same embodiment.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a high-speed limit device that blows of film splitter which characterized in that: the air supply device comprises a fan (1) and a multi-stage air supply pipe (2) communicated with an air outlet of the fan (1), wherein the pipe diameter of the air supply pipe (2) is gradually increased from one end close to the fan (1) to one end far away from the fan (1); every grade all seted up feed inlet (3) on blast pipe (2), and in every grade of blast pipe (2), all be fixed with deep bead (4) that are the slope form in the position department that closes on feed inlet (3), deep bead (4) incline along the air supply direction.

2. The high-speed edge blowing device of the film splitting machine as claimed in claim 1, wherein: the edge of the feed port (3) is provided with a flexible stopper a (31), and the end face friction caused by direct contact of the film rim charge and the feed port (3) is reduced through the flexible stopper a (31).

3. The high-speed edge blowing device of the film splitting machine as claimed in claim 1, wherein: the adjacent two stages of the blast pipes (2) are connected through a connecting piece (5), the small-mouth end part (51) of the connecting piece (5) is fixedly connected with one stage close to the fan (1), and the wide-mouth end part (52) of the connecting piece (5) is fixedly connected with one stage far away from the fan (1).

4. The high-speed edge blowing device of the film splitting machine as claimed in claim 3, wherein: the inner sides of the small-opening end part (51) and the wide-opening end part (52) are both provided with internal threads, and the blast pipe (2) is provided with an external thread structure matched with the internal threads.

5. The high-speed edge blowing device of the film splitting machine according to any one of claims 1 to 4, characterized in that: the air baffle is characterized in that a connecting end (41) of the air baffle (4) is fixedly connected with the air supply pipe (2) and the inner side of a port facing one end of the fan (1), and a free end (42) of the air baffle (4) and the central axis of the feeding hole (3) are located on the same vertical line.

6. The high-speed edge blowing device of the film splitting machine as claimed in claim 1, wherein: the wind shield (4) is arranged into a bent arc structure, and the bent arc inner side of the bent arc structure faces the feed port (3).

7. The high-speed edge blowing device of the film splitting machine as claimed in claim 1, wherein: the free end (42) of the wind deflector (4) is provided with a flexible catch b (421) for reducing friction.

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