High-efficiency packaging bag film blowing device

Abstract

The utility model discloses a high-efficiency film blowing device for packaging bags. The high-efficiency film blowing device comprises an extruder; the extrusion die head is arranged at the discharge end of the extruder; the cooling device comprises two supporting side plates, the two supporting side plates are symmetrically arranged, a first guide roller and a second guide roller are rotationally connected between the two supporting side plates, and a plurality of sets of cooling parts are rotationally connected between the first guide roller and the second guide roller. The height of each group of cooling rollers can be independently adjusted, so that the device can flexibly adapt to film pipes with different thicknesses, and a more uniform cooling effect is realized; a cooling medium can be circularly injected into the cooling roller, so that the cooling and curing process of the film tube is effectively accelerated, and the production efficiency is improved; a third guide roller and a fourth guide roller are arranged in the dust removal box, and the film pipe is tightened and placed in the dust removal box. And through the dust suction head and the dust suction pipe on the two sides of the dust removal box, impurities on the outer side of the film pipe are thoroughly removed, and foreign matter is effectively prevented from being wound in the film pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to bagging blow film technology field, concretely is a kind of high-efficiency packaging bag blow film device. BACKGROUND

[0002] Packaging bag blow film is a plastic processing method, mainly used for producing various film products, such as plastic bag, agricultural mulching film, packaging film, etc., blow film process is formed by extruding and blowing film after heating and melting plastic raw materials by extruder, then after cooling, traction and cutting process, finally the required film product is made.

[0003] The existing blow film is packaged after processing and cooling, because the equipment is high in the workshop, and the film tube has a large air contact area with the workshop, it does not have a corresponding cleaning structure before winding, cannot remove impurities from the outside of the film tube, cannot prevent foreign matter from being wound in the film tube, so that the impurities affect the overall quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-efficiency packaging bag blow film device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high-efficiency packaging bag blow film device, comprising:

[0006] Extruder;

[0007] Extrusion die head, extrusion die head is placed in the discharge end of the extruder;

[0008] Supporting side plate, supporting side plate is provided with two and is symmetrically arranged, two the supporting side plate is rotatably connected with guide roller one and guide roller two, multiple cooling parts are rotatably connected between the guide roller one and the guide roller two, cooling part includes cooling roller that can circulate injection cooling medium, one end of the cooling roller is provided with driving part, for driving cooling roller rotation;

[0009] Dust removal box, dust removal box is placed in one side of the supporting side plate, two sides of the dust removal box are connected with dust collector by pipeline.

[0010] As preferred, it further includes support table, the extrusion die head is fixedly connected in the middle part of support table, the supporting side plate is symmetrically fixedly connected in the top of support table.

[0011] As preferred, the guide roller two is located above the guide roller one, and the guide roller two is horizontally provided with two, the guide roller one is located directly above the extrusion die head.

[0012] As preferred, the cooling part comprises multiple groups of cooling rollers, each group of cooling rollers is provided with two and arranged vertically, lifting plates are rotatably connected to the two sides of the cooling rollers, the lifting plates are slidingly connected with supporting side plates, a fixed plate is fixedly connected to one side of the supporting side plates, an adjusting bolt is threadedly connected to the middle part of the fixed plate, and the adjusting bolt is rotatably connected with the lifting plate.

[0013] As preferred, the dust removal box comprises a driving motor fixedly connected to the outside of the supporting side plate, the driving motor is drivingly connected with the cooling roller through a spur gear set, and rotary joints are mounted to the two ends of the cooling roller.

[0014] As preferred, guiding rollers three and four are rotatably connected to the upper and lower ends of the dust removal box, respectively.

[0015] As preferred, a supporting frame is fixedly connected to one side of the supporting table and below the guiding roller four, a first air cylinder is fixedly connected to the bottom of the supporting frame, a lifting pressing plate is fixedly connected to the output end of the first air cylinder, a limiting rod is slidingly connected to the middle part of the lifting pressing plate, the bottom of the limiting rod is fixedly connected with the supporting frame, an electric motor is slidingly connected to one side of the supporting frame, and a second air cylinder is slidingly connected to one side of the supporting frame and drives the electric motor.

[0016] Compared with the prior art, the device can flexibly adapt to film tubes with different thicknesses, and realize more uniform cooling effect, through the arrangement of multiple groups of cooling rollers and the independent height adjustment of each group of cooling rollers; the cooling roller can be cyclically injected with cooling medium, effectively accelerating the cooling and solidification process of the film tube, and improving the production efficiency; the guiding rollers three and four are arranged in the dust removal box, the film tube is tightly stretched and placed inside the dust removal box; the dust removal box is provided with dust suction heads and dust suction pipes on the two sides, and the outer side of the film tube is cleaned, effectively preventing foreign matters from being wound in the film tube, and improving the cleanliness and overall quality of the product. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the supporting side plate of the utility model;

[0019] Figure 3 It is a structural schematic view of the cooling roller of the utility model.

[0020] In the drawing: 1, extruder; 2, supporting table; 3, extrusion die head; 4, supporting frame; 5, lifting pressing plate; 6, first air cylinder; 7, limiting rod; 8, supporting side plate; 9, guiding roller one; 10, cooling roller; 11, guiding roller two; 12, guiding roller three; 13, dust removal box; 14, guiding roller four; 15, rotary joint; 16, fixed plate; 17, adjusting bolt; 18, electric motor; 19, second air cylinder. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figure 1 、 2 , 3, the utility model provides a technical scheme: a kind of high-efficiency packaging bag film blowing device, comprising: extruder 1;Extrusion die 3, extrusion die 3 is placed in the discharge end of extruder 1;Supporting side plate 8 is provided with two and symmetrically arranged, two supporting side plates 8 are rotatably connected with guide roller one 9 and guide roller two 11, a plurality of cooling parts are rotatably connected between guide roller one 9 and guide roller two 11, cooling part includes cooling roller 10 that can be injected into cooling medium in circulation, one end of cooling roller 10 is provided with driving part, for driving cooling roller 10 rotation;Dust removal box 13 is placed in one side of supporting side plate 8, the both sides of dust removal box 13 are connected with dust collector by pipeline.

[0023] It needs to be explained that the utility model extruder 1 includes screw, barrel, heating and cooling system and driving system, screw is responsible for heating, melting and propelling molten plastic to flow to die in heating zone with solid granular plastic (such as granule, powder), barrel is the shell of screw, inner wall has different temperature control area, for heating plastic and helping to melt heating system is used to heat plastic particles to appropriate melting temperature;Cooling system is used to keep the appropriate temperature of equipment when working, prevent overheating, driving system is responsible for providing the power of screw rotation, is composed of motor and speed reducer, extrusion die 3 includes flow channel system, die sleeve, annular die orifice, adjusting device and cooling system;Flow channel system is composed of a series of flow guide groove, distribution hole etc., for uniformly distributing molten polymer flowing out from extruder to die orifice;Die sleeve is used to wrap and guide plastic melt, ensure that melt flows smoothly;Annular die orifice is the outlet part of die, molten plastic is extruded through this part, forms film;Cooling system extrusion die is generally provided with cooling water channel or cooling gas pipeline, helps cooling and solidifying molten film, avoids film material overheating and deforms, master batch is extruded by extruder 1 and enters extrusion die 3, when film is extruded from die, molten plastic is extruded through die, the shape of die determines the final film form, in film blowing process, molten film will be aerated and inflated through air ring system, forms hollow film tube, film tube enters between cooling roller 10 along guide roller one 9 and is cooled, then passes through guide roller two 11 and guide roller three 12 and enters dust removal box 13 and is dusted, then is rolled up through the lower winding roller.

[0024] As Figure 1 shown, it also includes a support table 2, the extrusion die 3 is fixed in the middle of the support table 2, the support side plate 8 is symmetrically fixed on the top of the support table 2, the guide roller two 11 is located above the guide roller one 9, and the guide roller two 11 is horizontally provided with two, and the guide roller one 9 is located directly above the extrusion die 3.

[0025] It should be noted that the both ends of the guide roller one 9 are rotatably provided with supports, the both sides of the support side plate 8 are provided with deviation correction air cylinders connected with the supports, the support side plate 8 is provided with an infrared sensor corresponding to the position of the guide roller one 9, so as to detect the position of the film tube, the position of the guide roller one 9 is adjusted through the controller and the deviation correction air cylinder, the deviation correction operation of conveying is realized, the film tube passes through the outside of the guide roller one 9 and then enters between the cooling rollers 10, and then enters the outside of the guide roller two 11, so as to realize cooling.

[0026] As Figure 2 , 3 shown, the cooling part includes a plurality of groups of cooling rollers 10, each group of cooling rollers 10 is provided with two and is arranged in an upper and lower manner, the both sides of the cooling roller 10 are rotatably connected with lifting plates, the lifting plates are slidably connected with the support side plate 8, one side of the support side plate 8 is fixedly connected with a fixed plate 16, the middle part of the fixed plate 16 is threadedly connected with an adjusting bolt 17, and the adjusting bolt 17 is rotatably connected with the lifting plate.

[0027] It should be noted that the cooling medium of the utility model is cooling water or cold air, the cooling medium is injected into the cooling roller 10, when the film tube contacts the cooling roller 10, the film tube can be cooled again through the cooling roller 10, the height of the cooling roller 10 is adjusted by adjusting the adjusting bolt 17, and the gap between the upper and lower cooling rollers 10 is adjusted, so that the film tube of different thicknesses can be applied.

[0028] As Figure 3 shown, the dust removal box includes a driving motor fixedly connected to the outside of the support side plate 8, the driving motor is in transmission connection with the cooling roller 10 through a straight gear set, the both ends of the cooling roller 10 are provided with rotary joints 15, and the both ends of the dust removal box 13 are rotatably connected with a guide roller three 12 and a guide roller four 14 on one side of the support side plate 8.

[0029] It should be noted that the guide roller three 12 and the guide roller four 14 tighten the film tube and place it in the dust removal box 13, the dust suction heads on the both sides of the dust removal box 13 and the dust suction pipes remove the impurities on the outside of the film tube, so that foreign matters are prevented from being wound in the film tube.

[0030] As Figure 1As shown, the support frame 4 is fixed on one side of the support table 2 and below the guide roller four 14, the bottom of the support frame 4 is fixedly connected with the cylinder one 6, the output end of the cylinder one 6 is fixedly connected with the lifting pressing plate 5, the middle part of the lifting pressing plate 5 is slidably connected with the limiting rod 7, the bottom of the limiting rod 7 is fixedly connected with the support frame 4, one side of the support frame 4 is slidably connected with the motor 18, and the side of the support frame 4 is fixedly connected with the cylinder two 19 sliding the driving motor 18.

[0031] It should be noted that, the lifting pressing plate 5 is lifted along the limiting rod 7 by the cylinder one 6, the winding roller is arranged between the support frame 4 and the lifting pressing plate 5, the winding roller is clamped on both sides of the lifting pressing plate 5 and rotates in place, the output end of the motor 18 is driven by the cylinder two 19 and cooperates with the winding roller, and the end of the winding roller is provided with a groove hole matched with the motor 18, so that the winding roller is driven by the motor 18 to wind.

[0032] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0033] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0034] In the utility model, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated, can be mechanically connected, or can be electrically connected, can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific situation for the ordinary skilled in the art.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high efficiency bag blowing apparatus characterized by: Include: extruder (1); extrusion die (3), extrusion die (3) is placed in the discharge end of the extruder (1); supporting side plate (8) is provided with two and symmetrically arranged, two supporting side plates (8) are rotatably connected with guide roller one (9) and guide roller two (11), a plurality of cooling parts are rotatably connected between the guide roller one (9) and the guide roller two (11), the cooling part includes cooling roller (10) which can circulate injection cooling medium, one end of the cooling roller (10) is provided with a driving part for driving the cooling roller (10) to rotate; Dust removal tank (13), dust removal tank (13) is placed on one side of the supporting side plate (8), the two sides of the dust removal tank (13) are connected with the dust collector through the pipeline.

2. A high efficiency bag blowing device as claimed in claim 1, wherein: It also includes a support table (2), the extrusion die (3) is fixedly connected in the middle of the support table (2), and the supporting side plate (8) is symmetrically fixedly connected to the top of the support table (2).

3. The high efficiency bag blowing apparatus of claim 1, wherein: The guide roller two (11) is located above the guide roller one (9), and the guide roller two (11) is horizontally provided with two, and the guide roller one (9) is located directly above the extrusion die (3).

4. The high efficiency bag blowing apparatus of claim 1, wherein: The cooling part includes a plurality of cooling rollers (10), each group of cooling rollers (10) is provided with two and arranged vertically, and the two sides of the cooling roller (10) are rotatably connected with the lifting plate, the lifting plate is slidably connected with the supporting side plate (8), one side of the supporting side plate (8) is fixedly connected with the fixed plate (16), the middle part of the fixed plate (16) is threadedly connected with the adjusting bolt (17), and the adjusting bolt (17) is rotatably connected with the lifting plate.

5. The high efficiency bag blowing apparatus of claim 1, wherein: The dust removal tank includes a driving motor fixedly connected to the outer side of the supporting side plate (8), the driving motor is drivingly connected with the cooling roller (10) through a straight gear set, and the two ends of the cooling roller (10) are provided with rotary joints (15).

6. A high efficiency bag blowing apparatus as defined in claim 2, wherein: One side of the supporting side plate (8) and located at the upper and lower ends of the dust removal tank (13) are rotatably connected with guide roller three (12) and guide roller four (14).

7. A high efficiency bag film blowing apparatus as defined in claim 6, wherein: One side of the support table (2) and below the guide roller four (14) is fixedly connected with a support frame (4), the bottom of the support frame (4) is fixedly connected with a cylinder one (6), the output end of the cylinder one (6) is fixedly connected with a lifting pressure plate (5), the middle part of the lifting pressure plate (5) is slidably connected with a limiting rod (7), the bottom of the limiting rod (7) is fixedly connected with the support frame (4), one side of the support frame (4) is slidably connected with a motor (18), and the side of the support frame (4) is fixedly connected with a cylinder two (19) which slides the driving motor (18).

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