Film discharging and guiding mechanism for film blowing machine

Abstract

The utility model discloses a film outlet material guide mechanism for a film blowing machine, which comprises a material guide rack, a first material guide roller and a second material guide roller are arranged at the upper part in the material guide rack through a first rotating shaft, a third material guide roller is arranged at the lower middle part of the material guide rack through a second rotating shaft and an inner bracket, and a film pressure buffer mechanism is arranged on the outer side of the third material guide roller. The film pressure buffering mechanism is arranged on the outer side of the third guide roller, so that a film transmitted on the outer side of the third guide roller can be elastically buffered, the film is prevented from being excessively tensioned, deformed and damaged in the guide process, and the safety of film guide is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film discharging and material guiding equipment, in particular to a film discharging and material guiding mechanism for a film blowing machine. Background Art

[0002] The film blowing machine heats and melts plastic particles and then blows them into thin films. There are many types of film blowing machines, including PE, POF, PVC, etc. The new materials blown out with brand new particles are new materials with uniform color, clean, and good bag stretching. The energy saving of the film blowing machine can be divided into two parts: one is the power part, and the other is the heating part, which mainly includes the extruder, die head, die head, cooling device, bubble stabilizing frame, herringbone plate, traction roller, winding device, etc. After the film blowing machine is processed, it is often necessary to cooperate with the corresponding material guide mechanism, traction roller and winding device to roll the finished product into a roll in time, so that the user can better store it.

[0003] A film discharging and guiding device for a film blowing machine with application number 202110652430.1 in the prior art includes a main shell frame, a guide frame and a film taking mechanism, and the vertical plates on both sides are connected to each other through a central axis. When the equipment needs to be used, a buffer spring is arranged on the base frame to fix the base frame and the inner plate to each other. This can not only ensure the stability of the guide frame during use, but also realize the mobile buffering effect of the guide frame. However, the film transmitted on the outside of the guide roller cannot be elastically buffered. The film is easily deformed and damaged due to excessive tension during the guiding process, and it is difficult to meet the use of guides with different tightness. Utility Model Content

[0004] The utility model aims to provide a film discharging and guiding mechanism for a film blowing machine, so as to solve the problems in the prior art that the film driven on the outer side of the guiding roller cannot be elastically buffered, the film is easily deformed and damaged due to excessive tension during the guiding process, and it is difficult to meet the use and processing of guides with different tightness.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a film discharging material guiding mechanism for a film blowing machine, comprising a material guiding frame, a first material guiding roller and a second material guiding roller are arranged at the upper inner portion of the material guiding frame through a first rotating shaft, a third material guiding roller is arranged at the lower middle portion of the material guiding frame through a second rotating shaft and an inner bracket, a film pressure buffer mechanism is arranged at the outer side of the third material guiding roller, and a lifting and tightening adjustment mechanism is arranged at the lower side of the inner bracket.

[0006] Furthermore, the first material guide roller and the second material guide roller are arranged in parallel at the same level, and one end of the first material guide roller is connected to a motor through a belt flywheel group.

[0007] Furthermore, the film pressure buffer mechanism includes a buffer sheet arranged on the outside of the third material guide roller through a telescopic mechanism, and the telescopic mechanism and the buffer sheet are provided in a plurality of groups in a ring array.

[0008] Furthermore, the buffer sheet is provided with an arc-shaped sheet, and a rubber protective layer is provided on the outer side of the buffer sheet.

[0009] Furthermore, the telescopic mechanism includes an outer support tube, a telescopic rod is slidably arranged inside the outer support tube through a limit plate, a spring is arranged in the outer support tube on the inner side of the limit plate, and a damping pad is arranged on one side of the limit plate.

[0010] Furthermore, the lifting and tensioning adjustment mechanism includes a vertical frame arranged at the bottom of the material guide frame, a screw rod is rotatably provided in the middle part of the vertical frame, the lower end of the inner bracket is threadedly connected to the screw rod through a lifting bracket, and one end of the screw rod is connected to an adjusting rod through a gear set, an adjusting handle is provided at one end of the adjusting rod, and a locking bolt is provided on the adjusting handle.

[0011] Furthermore, a limiting sliding hole is provided in the upper inner portion of the stand, and the middle portion of the lifting bracket slides through the limiting sliding hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a film pressure buffer mechanism on the outer side of the third material guide roller. The film pressure buffer mechanism includes a buffer sheet arranged on the outer side of the third material guide roller through a telescopic mechanism. The telescopic mechanism and the buffer sheet are provided in a plurality of groups in a ring array, so that the film transmitted on the outer side of the third material guide roller can be elastically buffered, thereby preventing the film from being over-tensioned, deformed and damaged during the material guiding process, thereby improving the safety of film guiding.

[0014] 2. The utility model is provided with a lifting and tensioning adjustment mechanism on the lower side of the inner bracket, and the lifting and tensioning adjustment mechanism includes a vertical frame arranged at the bottom of the material guide frame, a screw rod is rotatably arranged in the middle of the vertical frame, the lower end of the inner bracket is threadedly connected to the screw rod through the lifting bracket, and one end of the screw rod is connected to an adjusting rod through a gear set transmission, so that the lifting and lowering of the bracket can be adjusted by rotating the adjusting screw rod, so that the third material guide roller can be longitudinally lifted and adjusted, which can meet the use of material guides with different tightness, and has a simple structure and convenient and quick adjustment.

[0015] 3. The utility model provides a limit sliding hole in the upper inner part of the vertical frame, and the middle part of the lifting bracket slides through the limit sliding hole, so that the lifting bracket can be guided by sliding when it is raised and lowered, which is beneficial to improve the stability of the lifting and lowering adjustment of the inner bracket and the third guide roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the material guide frame of the utility model;

[0019] Figure 3 This is a main cross-sectional view of the third guide roller structure of the utility model;

[0020] Figure 4 It is a structural use diagram of the telescopic mechanism of the utility model.

[0021] In the figure: 1. material guide frame; 2. first material guide roller; 3. second material guide roller; 4. third material guide roller; 5. lifting bracket; 6. inner bracket; 7. second rotating shaft; 8. limiting sliding hole; 9. screw rod; 10. vertical frame; 11. gear set; 12. adjusting rod; 13. adjusting handle; 14. locking bolt; 15. telescopic mechanism; 1501. outer support tube; 1502. spring; 1503. telescopic rod; 1504. limiting plate; 1505. damping pad; 16. buffer sheet; 17. rubber protective layer; 18. first rotating shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 In an embodiment of the utility model, a film discharging and guiding mechanism for a film blowing machine comprises a guiding frame 1, wherein a first guiding roller 2 and a second guiding roller 3 are provided in an upper inner portion of the guiding frame 1 through a first rotating shaft 18, and a film is wound around the first guiding roller 2, a third guiding roller 4 and a second guiding roller 3 in sequence for guiding processing, a third guiding roller 4 is provided in a lower middle portion of the guiding frame 1 through a second rotating shaft 7 and an inner bracket 6, a film pressure buffer mechanism is provided on the outer side of the third guiding roller 4, so that the film driven on the outer side of the third guiding roller 4 can be elastically buffered, so as to prevent the film from being over-tensioned and deformed and damaged during the guiding process, thereby improving the safety of film guiding, and a lifting and tension adjustment mechanism is provided on the lower side of the inner bracket 6, so as to be able to longitudinally lift and lower the third guiding roller 4, so as to meet the use of guiding processes with different tensions, and the structure is simple, and the adjustment is convenient and quick.

[0024] The first guide roller 2 and the second guide roller 3 are arranged in parallel at the same level. One end of the first guide roller 2 is connected to a motor through a belt flywheel group, so as to realize horizontal material guiding and processing of the film.

[0025] The film pressure buffer mechanism includes a buffer sheet 16 arranged on the outside of the third guide roller 4 through a telescopic mechanism 15, and the telescopic mechanism 15 and the buffer sheet 16 are provided in a plurality of groups in an annular array, so that the film transmitted on the outside of the third guide roller 4 can be elastically buffered to prevent the film from being over-tensioned and deformed and damaged during the material guiding process. The buffer sheet 16 is provided with an arc sheet, and a rubber protective layer 17 is provided on the outside of the buffer sheet 16, so that the film transmitted on the outside of the buffer sheet 16 can be easily anti-slip and scratched.

[0026] The telescopic mechanism 15 includes an outer support tube 1501, inside which a telescopic rod 1503 is slidably provided through a limit plate 1504, and a spring 1502 is provided in the outer support tube 1501 inside the limit plate 1504, and a damping pad 1505 is provided on one side of the limit plate 1504, so that the telescopic mechanism 15 has a better telescopic effect, and the damping pad 1505 can prevent the telescopic rod 1503 from bouncing repeatedly.

[0027] The lifting and tension adjustment mechanism includes a stand 10 arranged at the bottom of the material guide frame 1, a screw 9 is rotatably arranged in the middle of the stand 10, the lower end of the inner bracket 6 is threadedly connected to the screw 9 through the lifting bracket 5, and one end of the screw 9 is connected to the adjustment rod 12 through the gear set 11, so that the lifting bracket 5 can be lifted and adjusted by rotating the screw 9, so that the third material guide roller 4 can be lifted and adjusted longitudinally, which can meet the use of different tightness of the material guide, and the structure is simple, and the adjustment is convenient and fast. An adjustment handle 13 is arranged at one end of the adjustment rod 12, and a locking bolt 14 is arranged on the adjustment handle 13, which is convenient for adjusting and positioning the adjustment handle 13. A limit slide hole 8 is arranged in the upper part of the stand 10, and the middle part of the lifting bracket 5 slides through the limit slide hole 8, so that the lifting bracket 5 can be slid and guided when it is lifted and lowered, which is conducive to improving the stability of the lifting and lowering adjustment of the inner bracket 6 and the third material guide roller 4.

[0028] The working principle and use process of the utility model are as follows: when in use, the film is wound around the first guide roller 2, the third guide roller 4 and the second guide roller 3 in sequence for guiding processing, and the film pressure buffer mechanism provided on the outer side of the third guide roller 4 enables the film driven on the outer side of the third guide roller 4 to be elastically buffered, thereby preventing the film from being over-tensioned and deformed and damaged during the guiding process, thereby improving the safety of film guiding; and a lifting and tensioning adjustment mechanism is provided on the lower side of the inner bracket 6, thereby enabling the third guide roller to be longitudinally lifted and adjusted, thereby meeting the use of guides with different tightnesses, and the structure is simple, and the adjustment is convenient and quick.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A film discharging and material guiding mechanism for a film blowing machine, comprising a material guiding frame (1), characterized in that: The upper inner portion of the material guide frame (1) is provided with a first material guide roller (2) and a second material guide roller (3) via a first rotating shaft (18); the lower middle portion of the material guide frame (1) is provided with a third material guide roller (4) via a second rotating shaft (7) and an inner bracket (6); a film pressure buffer mechanism is provided on the outer side of the third material guide roller (4); and a lifting and tension adjustment mechanism is provided on the lower side of the inner bracket (6).

2. The film discharging and guiding mechanism for a film blowing machine according to claim 1, characterized in that: The first material guide roller (2) and the second material guide roller (3) are arranged in parallel at the same level, and one end of the first material guide roller (2) is connected to a motor via a belt flywheel assembly.

3. The film discharging and guiding mechanism for a film blowing machine according to claim 1, characterized in that: The membrane pressure buffer mechanism comprises a buffer sheet (16) arranged on the outside of the third material guide roller (4) via a telescopic mechanism (15), and the telescopic mechanism (15) and the buffer sheet (16) are provided in a plurality of groups in a ring array.

4. The film discharging and guiding mechanism for a film blowing machine according to claim 3, characterized in that: The buffer sheet (16) is provided with an arc-shaped sheet, and a rubber protective layer (17) is provided on the outside of the buffer sheet (16).

5. The film discharging and guiding mechanism for a film blowing machine according to claim 3, characterized in that: The telescopic mechanism (15) comprises an outer support tube (1501), a telescopic rod (1503) is slidably arranged inside the outer support tube (1501) via a limit plate (1504), and a spring (1502) is arranged inside the outer support tube (1501) inside the limit plate (1504).

6. The film discharging and guiding mechanism for a film blowing machine according to claim 1, characterized in that: The lifting and tensioning adjustment mechanism comprises a stand (10) arranged at the bottom of the material guide frame (1), a screw rod (9) is rotatably provided in the middle of the stand (10), the lower end of the inner bracket (6) is threadedly connected to the screw rod (9) through the lifting bracket (5), and one end of the screw rod (9) is transmission-connected to the adjustment rod (12) through a gear set (11).

7. The film discharging and guiding mechanism for a film blowing machine according to claim 6, characterized in that: A limiting sliding hole (8) is provided in the upper inner portion of the stand (10), and the middle portion of the lifting bracket (5) slides through the limiting sliding hole (8).

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