Intelligent tension control device of PE film blowing production line

Abstract

The utility model discloses an intelligent tension control device of a PE (Poly Ethylene) film blowing production line, and particularly relates to the field of plastic processing, the intelligent tension control device comprises a film blowing box, a connecting assembly is arranged on one side in the film blowing box, the connecting assembly comprises a connecting box, and a double-shaft motor is fixedly arranged in the middle position in the connecting box; output shafts at the two ends of the double-shaft motor are both provided with lead screws, the exteriors of the lead screws are in threaded connection with sliding blocks, one sides of the sliding blocks are both fixedly provided with connecting blocks, driving motors are arranged in the connecting blocks, and one sides of the driving motors are connected with connecting rollers through output shafts. Through the arrangement of the connecting assembly, the double-shaft motor drives the sliding block to move under the condition that the device is not stopped or only needs to be temporarily adjusted, then PE films with different thicknesses are rapidly switched to be produced, the small-batch and multi-variety order requirements can be efficiently met, the equipment utilization rate is increased, and therefore the production efficiency and economic benefits are remarkably improved; and the practicability of the device is improved to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic processing, more specifically, the utility model relates to an intelligent tension control device of PE blown film production line. BACKGROUND

[0002] In the PE blown film production process, the tension control of the film is crucial. The appropriate tension can ensure the uniform thickness and smooth surface of the film, and avoid quality problems such as wrinkles, excessive stretching or relaxation;

[0003] After searching, the existing patent (publication number: CN220297804U) discloses a PE film blowing device, which comprises a film blowing box; the top of the film blowing box is fixedly connected with a blanking hole; the inner side wall of the film blowing box is fixedly connected with a heating collection box; the bottom of the heating collection box is fixedly connected with a blanking pipe; the inner side wall of the film blowing box is fixedly connected with a first fixed plate; the plastic particles are dropped into the inside through the blanking hole, heated and melted by the heating collection box, then circulated to the bottom through the blanking pipe, the first motor and the second motor are opened, the first extrusion roller and the second extrusion roller are driven to rotate, the first extrusion roller and the second extrusion roller process the melted plastic particles into film, then the heating plate is opened to heat, the fourth motor drives the fan blades to rotate, hot air is generated to blow the PE film on the side end to ensure the uniform thickness effect of the PE film and improve the processing quality of the PE film.

[0004] The existing PE blown film production line cannot flexibly adjust the thickness of the film when developing new PE film products or optimizing the film performance for specific application scenarios, resulting in certain limitations in use, and the above-mentioned patent document does not propose a related solution to solve the above problems;

[0005] Therefore, an intelligent tension control device of PE blown film production line is proposed to solve the above problems. Utility model content

[0006] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide an intelligent tension control device of PE blown film production line to solve the problems in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: An intelligent tension control device of PE film blowing production line, including the film blowing case, the inside one side of film blowing case is provided with connecting assembly, the connecting assembly includes connecting box, the inside middle position of connecting box is fixedly provided with double shaft motor, the both ends output shaft of double shaft motor all is provided with screw rod, the outside screw thread of screw rod is connected with sliding block, and the both sides of sliding block all are fixedly provided with connecting block, the inside of connecting block is fixedly provided with drive motor, the side of drive motor is connected with connecting roller through output shaft.

[0008] Preferably, the upper end of the film blowing box is provided with a connecting box, the inside of the connecting box is provided with a stirring assembly, the stirring assembly comprises a rotary motor, and the rotary motor is connected with a connecting shaft through an output shaft.

[0009] Preferably, the connecting shaft is fixedly provided with a stirring rod at the outside of both ends in a symmetrical manner, and a connecting rod is fixedly arranged at the bottom of the connecting shaft, and the threaded conveying blades are connected around the outside of the connecting rod, and the threaded conveying blades are located inside the conveying cylinder.

[0010] Preferably, the inside of the film blowing box is provided with a cooling assembly, the cooling assembly comprises a fixed pipe, the fixed pipe is provided with two groups in a symmetrical manner, the bottom of the fixed pipe is provided with spray heads at equal intervals, and the side of the fixed pipe is connected with a water tank through a connecting pipe.

[0011] Preferably, the connecting roller is provided with an extrusion roller at the bottom, the extrusion roller is provided with two groups in a symmetrical manner, and the side of the connecting roller is fixedly provided with a tension sensor.

[0012] Preferably, the inside bottom end of the film blowing box is provided with a traction roller, and the side of the film blowing box is provided with a connecting groove.

[0013] The utility model discloses technical effect and advantage:

[0014] Compared with the prior art, the intelligent tension control device of the PE film blowing production line is provided with a connecting assembly, so that the sliding block can be moved by the double shaft motor under the condition of no shutdown or only short-time adjustment, thereby quickly switching the production of PE films of different thicknesses, efficiently dealing with small-batch and multi-variety order demands, improving equipment utilization, reducing production idle time, and significantly improving production efficiency and economic benefits, and improving the practicality of the device to a certain extent. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model.

[0016] Figure 2 It is the stirring assembly structure schematic diagram of the utility model.

[0017] Figure 3This is a schematic diagram of the internal structure of the blown film box of this utility model.

[0018] Figure 4 This is an enlarged schematic diagram of the structure at point A of this utility model.

[0019] The attached figures are labeled as follows: 1. Film blowing box; 2. Connecting box; 3. Stirring assembly; 31. Rotary motor; 32. Connecting shaft; 33. Stirring rod; 34. Connecting rod; 35. Threaded conveying blade; 36. Conveying cylinder; 4. Connecting assembly; 41. Connecting box; 42. Dual-shaft motor; 43. Lead screw; 44. Slider; 45. Connecting block; 46. Drive motor; 47. Connecting roller; 5. Cooling assembly; 51. Fixed pipe; 52. Nozzle; 53. Connecting pipe; 54. Water tank; 6. Extrusion roller; 7. Traction roller; 8. Connecting groove; 9. Tension sensor. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] As attached Figures 1 to 4 The intelligent tension control device for a PE blown film production line shown includes a blown film box 1. A connecting component 4 is provided on one side inside the blown film box 1. The connecting component 4 includes a connecting box 41. A dual-axis motor 42 is fixedly installed in the middle of the connecting box 41. Both ends of the dual-axis motor 42 are provided with lead screws 43. The lead screws 43 are externally threaded to sliders 44. A connecting block 45 is fixedly installed on one side of each slider 44. A drive motor 46 is fixedly installed inside the connecting block 45. A connecting roller 47 is connected to one side of the drive motor 46 through an output shaft.

[0023] Specifically, the drive motor 46 drives the lead screw 43 to operate, and the lead screw 43 drives the slider 44 and the connecting block 45 on one side to move, thereby driving the connecting roller 47 to move. This can be adjusted according to the actual film requirements, thus enhancing the practicality of the device.

[0024] Example 2

[0025] Based on Embodiment 1, the solution in Embodiment 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details:

[0026] As a preferred embodiment, the upper end of the film blowing box 1 is provided with a connecting box 2, the inside of the connecting box 2 is provided with a stirring assembly 3, the stirring assembly 3 comprises a rotating motor 31, one side of the rotating motor 31 is connected with a connecting shaft 32 through an output shaft; further, by being provided with the rotating motor 31, the rotating motor 31 drives the connecting shaft 32 and the connecting rod 34 to rotate and heat and stir, so that the use is more convenient.

[0027] As a preferred embodiment, the outside of the connecting shaft 32 is symmetrically and fixedly provided with stirring rods 33 at both ends, and the bottom of the connecting shaft 32 is fixedly provided with a connecting rod 34, the outside of the connecting rod 34 is surrounded and connected with threaded conveying leaves 35, and the threaded conveying leaves 35 are located inside a conveying cylinder 36; further, by being provided with the threaded conveying leaves 35, the threaded conveying leaves 35 convey the plastic particles to realize uniform speed discharging operation.

[0028] As a preferred embodiment, the inside of the film blowing box 1 is provided with a cooling assembly 5, the cooling assembly 5 comprises fixed pipes 51, the fixed pipes 51 are symmetrically provided with two groups, the bottom of each fixed pipe 51 is provided with a spray head 52 at equal intervals, and one side of the fixed pipe 51 is connected with a water tank 54 through a connecting pipe 53; further, by simultaneously spraying cooling water to the film through the plurality of spray heads 52, the contact area and the contact time of the film and the cooling medium are greatly increased, and thus the cooling effect is improved.

[0029] As a preferred embodiment, the bottom of the connecting roller 47 is provided with an extrusion roller 6, the extrusion roller 6 is symmetrically provided with two groups, and one side of the connecting roller 47 is fixedly provided with a tension sensor 9; further, by being provided with the tension sensor 9, the film tension is always maintained within a set range, the quality of the film is effectively improved, the waste rate is reduced, and the practicability is enhanced.

[0030] As a preferred embodiment, the inside bottom end of the film blowing box 1 is provided with a traction roller 7, and one side of the film blowing box 1 is provided with a connecting groove 8; further, by being pulled by the traction roller 7 and being led out through the connecting groove 8, the use is more convenient.

[0031] The working process of the utility model is as follows:

[0032] In use, first, the plastic particles are fed into the connecting box 2 through the feed port, the rotary motor 31 is started, the connecting shaft 32 is rotated in the connecting box 2, the stirring rods 33 at both ends of the connecting shaft 32 are rotated, the plastic particles are conveyed into the film blowing box 1 through the connecting rod 34 and the threaded conveying blade 35 in the conveying cylinder 36, the plastic particles are extruded by the extrusion roller 6, the screw rod 43 is driven to work by the double-shaft motor 42 in the bottom connecting box 41, the screw rod 43 drives the sliding block 44 and the connecting block 45 on one side to move, in the film blowing process, the connecting roller 47 works with the extrusion roller 6, when the connecting roller 47 moves horizontally under the action of the sliding block 44, the distance between the connecting roller 47 and the extrusion roller 6 changes, and the gap between the two groups of connecting rollers 47 directly affects the thickness of the film, when the connecting roller 47 moves towards each other, the gap between them becomes smaller, and vice versa, the thickness of the film can be effectively adjusted according to the actual demand, making it more convenient to use, at the same time, the driving motor 46 is fixedly arranged in the connecting block 45, the driving motor 46 drives the connecting roller 47 to rotate, the connecting roller 47 rotates, the film extruded from the extrusion roller is wound on the connecting roller 47, with the rotation of the connecting roller 47, the film is continuously transmitted forward, which enhances its practicality, secondly, the fixed pipe 51 is symmetrically arranged at both ends in the film blowing box 1, the nozzle 52 at the bottom of the fixed pipe 51 sprays, thereby cooling the film, and the water tank 54 is connected to the connecting pipe 53 on one side of the fixed pipe 51, the sprayed water is collected, realizing water resource recycling, making its use more widely, in addition, the traction roller 7 is arranged at the bottom of the film blowing box 1, the traction roller 7 rotates and pulls the film during the film conveying process, and is led out through the connecting groove 8, making it more convenient to use, finally, the tension sensor 9 is arranged on one side of the connecting roller 47, the connecting roller 47 braking force can be quickly and accurately adjusted, so that the film tension is always kept within the set range, effectively improving the quality of the film and reducing the waste rate, thereby improving the practicality of the device to a certain extent.

[0033] Finally: the above only preferred embodiments of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An intelligent tension control device for a PE blown film production line, comprising a blown film tank (1), characterized in that; The inside one side of the film blowing box (1) is provided with a connecting assembly (4), the connecting assembly (4) includes a connecting box (41), the inside middle position of the connecting box (41) is fixedly provided with a double-shaft motor (42), the both ends output shafts of the double-shaft motor (42) are provided with a lead screw (43), the outside of the lead screw (43) is threadedly connected with a sliding block (44), and the both sides of the sliding block (44) are fixedly provided with a connecting block (45), the inside of the connecting block (45) is provided with a driving motor (46), and the one side of the driving motor (46) is connected with a connecting roller (47) through an output shaft.

2. The intelligent tension control device for PE blown film production line according to claim 1, characterized in that: The upper end of the film blowing box (1) is provided with a connecting box (2), the inside of the connecting box (2) is provided with a stirring assembly (3), the stirring assembly (3) includes a rotating motor (31), and the one side of the rotating motor (31) is connected with a connecting shaft (32) through an output shaft.

3. The intelligent tension control device of a PE blown film production line according to claim 2, characterized in that: The outside of the connecting shaft (32) is fixedly provided with a stirring rod (33) in a symmetrical manner, and the bottom of the connecting shaft (32) is fixedly provided with a connecting rod (34), the outside of the connecting rod (34) is connected with a threaded conveying blade (35) in a surrounding manner, and the threaded conveying blade (35) is located in the inside of a conveying cylinder (36).

4. The intelligent tension control device of a PE blown film production line according to claim 1, characterized in that: The inside of the film blowing box (1) is provided with a cooling assembly (5), the cooling assembly (5) includes a fixed pipe (51), the fixed pipe (51) is provided with two groups in a symmetrical manner, the bottom of the fixed pipe (51) is provided with a spray head (52) at equal intervals, and the one side of the fixed pipe (51) is connected with a water tank (54) through a connecting pipe (53).

5. The intelligent tension control device for PE blown film production line according to claim 1, characterized in that: The bottom of the connecting roller (47) is provided with an extrusion roller (6), the extrusion roller (6) is provided with two groups in a symmetrical manner, and the one side of the connecting roller (47) is fixedly provided with a tension sensor (9).

6. The intelligent tension control device for PE blown film production line according to claim 1, characterized in that: The inside bottom end of the film blowing box (1) is provided with a traction roller (7), and the one side of the film blowing box (1) is provided with a connecting groove (8).

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