Novel plastic film blowing experiment machine

Abstract

The utility model discloses a novel plastic film blowing experiment machine, and belongs to the technical field of film blowing experiment machines. A novel plastic film blowing experiment machine comprises a film blowing machine body, a mounting frame is fixed to the film blowing machine body, a first winding drum is arranged on one side face of the mounting frame, a second winding drum is arranged at the end, away from the mounting frame, of the first winding drum, and a rotating rod is rotationally arranged on the mounting frame through a bearing; a motor is fixed to the side face, away from the first winding drum, of the mounting frame, the output shaft end of the motor is fixedly connected with one end of a rotating rod, and the first winding drum is connected to the end, away from the motor, of the rotating rod through a connecting assembly. Through the arrangement of the winding drum I, the winding drum II and the adjusting assembly, the distance between the winding drum I and the winding drum II can be adjusted, so that proper adjustment can be performed according to the width of a produced film, and the phenomenon that the width of the film is not matched with the length of the winding drum I and the length of the winding drum II, so that hemming or irregular edges are caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of film blowing testing machines, in particular to a novel plastic film blowing testing machine. Background Art

[0002] The film blowing test machine is a device that heats and melts plastic particles and then blows them into film. It includes a film blowing device and a winding and traction device. Its working process is mainly to put plastic particles into the film blowing device, and the plastic particles are melted, filtered, blown and cooled in the film blowing device to form a plastic film. The film is then pulled and rolled by the winding and traction device composed of a calender roller, a guide roller and a winding roller, thereby realizing the process from plastic particles to curling into plastic film.

[0003] For example, in Chinese patent application number CN202220267888.5, a small plastic film blowing testing machine is provided, which is equipped with a first electric push rod, a tension sensor, a U-shaped frame, a rotating roller, a driving mechanism and a fixing mechanism. The blown plastic film can be quickly and conveniently fixed between the rotating roller and the fixing mechanism, and then the tension of the plastic film is detected according to the tension sensor through the contraction of the first electric push rod, which has a certain detection function.

[0004] However, when this type of film blowing test machine is in use, the length of its winding roller cannot be adjusted and cannot be disassembled. Since the film blowing machine can be adjusted to produce films of different widths as needed, when the film width is greater than the length of the winding roller, the film will curl. When the film width is less than the length of the winding roller, the roll will be uneven or the edges will be uneven.

[0005] Therefore, in response to this problem, the utility model has come out with a novel plastic film blowing testing machine. Utility Model Content

[0006] The utility model aims to solve the problem that the length of the winding roller cannot be adjusted and disassembled in the prior art, and since the film blowing machine can be adjusted to produce films of different widths as needed, when the film width is greater than the length of the winding roller, the film will curl, and when the film width is less than the length of the winding roller, the roll will be uneven or the edge will be uneven, and a new type of plastic film blowing testing machine is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A novel plastic film blowing testing machine comprises a film blowing machine body, a mounting frame is fixed on the film blowing machine body, a winding drum 1 is arranged on one side of the mounting frame, a winding drum 2 is arranged on the end of the winding drum 1 away from the mounting frame, a rotating rod is rotated on the mounting frame through a bearing, a motor is fixed on the side of the mounting frame away from the winding drum 1, the output shaft end of the motor is fixedly connected to one end of the rotating rod, the winding drum 1 is connected to the end of the rotating rod away from the motor through a connecting component, and an adjusting component for adjusting the distance between the winding drum 1 and the winding drum 2 is also arranged inside the winding drum 1.

[0009] Preferably, the connecting assembly comprises a rectangular shell fixed to one end of the rotating rod, and a rectangular block is embedded and installed in the rectangular shell.

[0010] Preferably, the connection assembly further comprises a mounting hole provided in the rectangular shell and the rectangular block, wherein a screw is threadedly connected in the mounting hole.

[0011] Preferably, the adjustment assembly includes a fixed disk fixed in winding drum one, a screw rod is rotated on the side of the fixed disk through a bearing, the screw rod slides in winding drum two, a moving block is threadedly connected to the outer surface of the screw rod, connecting rods are fixed on both sides of the moving block, and the other end of the connecting rod is fixedly connected to winding drum two.

[0012] Preferably, the adjustment assembly further comprises a limit rod fixed on a side surface of the fixed plate, a limit block is fixed on a side surface of the movable block, and the limit block slides on an outer surface of the limit rod.

[0013] Preferably, the adjustment assembly further comprises an auxiliary groove opened on the outer surface of the winding drum 1, and a filling strip is fixed to the side surface of the winding drum 2, and the filling strip slides in the corresponding auxiliary groove.

[0014] Compared with the prior art, the utility model provides a new type of plastic film blowing testing machine, which has the following beneficial effects:

[0015] The novel plastic blown film testing machine can adjust the distance between the winding drum one and the winding drum two by setting the winding drum one, the winding drum two and the adjusting component, so that appropriate adjustment can be made according to the width of the produced film to avoid the mismatch between the film width and the length of the winding drum one and the winding drum two, resulting in curling or uneven edges. By setting the connecting component, the winding drum one and the winding drum two can be disassembled after the film is wound, so as to facilitate the removal of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a new type of plastic film blowing testing machine proposed by the utility model;

[0017] Figure 2This is a schematic diagram of the connection relationship between the rectangular shell and the rectangular block structure of a new type of plastic film blowing testing machine proposed by the utility model;

[0018] Figure 3 A new type of plastic film blowing test machine proposed in this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 4 This is a schematic diagram of the internal structure of the winding drum 1 and the winding drum 2 of a new type of plastic film blowing experimental machine proposed by the utility model;

[0020] Figure 5 A new type of plastic film blowing test machine proposed in this utility model Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0021] In the figure: 1. film blowing machine body; 2. mounting frame; 3. winding drum 1; 4. winding drum 2; 5. rotating rod; 6. motor; 7. connecting assembly; 71. rectangular shell; 72. rectangular block; 73. mounting hole; 74. screw; 8. adjusting assembly; 81. fixing plate; 82. screw rod; 83. moving block; 84. connecting rod; 85. limiting rod; 86. limiting block; 87. auxiliary groove; 88. filling strip. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention. Embodiment 1

[0024] Reference Figure 1-Figure 5A novel plastic film blowing experimental machine comprises a film blowing machine body 1, a mounting frame 2 is fixed on the film blowing machine body 1, a winding drum 3 is arranged on one side of the mounting frame 2, a winding drum 2 4 is arranged on the end of the winding drum 3 away from the mounting frame 2, a rotating rod 5 is rotated on the mounting frame 2 through a bearing, a motor 6 is fixed on the side of the mounting frame 2 away from the winding drum 3, an output shaft end of the motor 6 is fixedly connected to one end of the rotating rod 5, the winding drum 3 is connected to the end of the rotating rod 5 away from the motor 6 through a connecting component 7, and an adjusting component 8 for adjusting the distance between the winding drum 3 and the winding drum 2 4 is also arranged in the winding drum 3.

[0025] Reference Figure 1-Figure 5 The adjusting assembly 8 includes a fixed disk 81 fixed in the winding drum 1 3, and a screw rod 82 is rotated on the side of the fixed disk 81 through a bearing. The screw rod 82 slides in the winding drum 2 4, and a moving block 83 is threadedly connected to the outer surface of the screw rod 82. Connecting rods 84 are fixed on both sides of the moving block 83, and the other end of the connecting rod 84 is fixedly connected to the winding drum 2 4.

[0026] Reference Figure 1-Figure 5 The adjustment assembly 8 also includes a limiting rod 85 fixed to the side of the fixed plate 81 , and a limiting block 86 is fixed to the side of the moving block 83 , and the limiting block 86 slides on the outer surface of the limiting rod 85 .

[0027] Reference Figure 1-Figure 5 The adjustment component 8 also includes an auxiliary groove 87 opened on the outer surface of the winding drum 1 3 , and a filling strip 88 is fixed to the side of the winding drum 2 4 , and the filling strip 88 slides in the corresponding auxiliary groove 87 .

[0028] In the utility model, when in use, the film is blown out by the film blowing device installed on the film blowing machine body 1, and one end of the film is sleeved on the outer surface of the winding drum 1 3 and the winding drum 2 4 for winding operation. Before sleeved, the distance between the winding drum 1 3 and the winding drum 2 4 can be adjusted according to the width of the film, and the adjustment method is as follows:

[0029] The user can rotate the screw rod 82. Since the screw rod 82 is threadedly connected to the moving block 83 and the limit rod 85 is slidably connected to the limit block 86 for limiting, the moving block 83 and the connecting rod 84 can be driven to move backward on the winding drum 1 3. The winding drum 2 4 is connected to the connecting rod 84, and the winding drum 2 4 is driven to move backward together, so that the distance between the winding drum 1 3 and the winding drum 2 4 is changed, so that the length of the winding drum 1 3 and the winding drum 2 4 matches the width of the film, avoiding the occurrence of curling or uneven edges. The motor 6 drives the rotating rod 5 and the winding drum 1 3 to rotate to realize the winding operation. The filling strip 88 can slide in the auxiliary groove 87. When the winding drum 1 3 is separated from the winding drum 2 4, a gap is avoided between the winding drum 1 3 and the winding drum 2 4 to affect the winding effect of the film. Embodiment 2

[0030] Reference Figure 1-Figure 5 A novel plastic film blowing experimental machine comprises a film blowing machine body 1, a mounting frame 2 is fixed on the film blowing machine body 1, a winding drum 3 is arranged on one side of the mounting frame 2, a winding drum 2 4 is arranged on the end of the winding drum 3 away from the mounting frame 2, a rotating rod 5 is rotated on the mounting frame 2 through a bearing, a motor 6 is fixed on the side of the mounting frame 2 away from the winding drum 3, an output shaft end of the motor 6 is fixedly connected to one end of the rotating rod 5, the winding drum 3 is connected to the end of the rotating rod 5 away from the motor 6 through a connecting component 7, and an adjusting component 8 for adjusting the distance between the winding drum 3 and the winding drum 2 4 is also arranged in the winding drum 3.

[0031] Reference Figure 1-Figure 5 The connecting assembly 7 includes a rectangular shell 71 fixed to one end of the rotating rod 5, and a rectangular block 72 is embedded and installed in the rectangular shell 71.

[0032] Reference Figure 1-Figure 5 The connecting assembly 7 further includes a mounting hole 73 formed in the rectangular shell 71 and the rectangular block 72 , and a screw 74 is threadedly connected to the mounting hole 73 .

[0033] In the utility model, after the film is wound, the screw 74 can be rotated in the mounting hole 73 to unscrew the screw 74 from the mounting hole 73 to release the restriction on the rectangular block 72, and then the rectangular block 72 can be pulled outward in the rectangular shell 71 to separate the winding drum 1 3 from the rectangular shell 71. Therefore, after the film is wound, the winding drum 1 3 and the winding drum 2 4 can be disassembled to facilitate the removal of the film.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel plastic film blowing testing machine, comprising a film blowing machine body (1), characterized in that: A mounting frame (2) is fixed on the film blowing machine body (1), a winding drum (1) is provided on one side of the mounting frame (2), a winding drum (2) is provided at one end of the winding drum (3) away from the mounting frame (2), a rotating rod (5) is rotatable on the mounting frame (2) via a bearing, a motor (6) is fixed on the side of the mounting frame (2) away from the winding drum (3), an output shaft end of the motor (6) is fixedly connected to one end of the rotating rod (5), the winding drum (3) is connected to the end of the rotating rod (5) away from the motor (6) via a connecting assembly (7), and an adjusting assembly (8) for adjusting the distance between the winding drum (3) and the winding drum (4) is also provided inside the winding drum (3).

2. A new type of plastic film blowing testing machine according to claim 1, characterized in that: The connecting assembly (7) comprises a rectangular shell (71) fixed to one end of the rotating rod (5), and a rectangular block (72) is embedded and installed in the rectangular shell (71).

3. A new type of plastic film blowing testing machine according to claim 2, characterized in that: The connection assembly (7) further comprises a mounting hole (73) formed in the rectangular shell (71) and the rectangular block (72), wherein a screw (74) is threadedly connected to the mounting hole (73).

4. A novel plastic film blowing testing machine according to claim 1, characterized in that: The adjustment assembly (8) comprises a fixed disk (81) fixed in the winding drum (3), a screw rod (82) is rotatably mounted on the side of the fixed disk (81) via a bearing, the screw rod (82) slides in the winding drum (4), a moving block (83) is threadedly connected to the outer surface of the screw rod (82), connecting rods (84) are fixed on both side surfaces of the moving block (83), and the other end of the connecting rod (84) is fixedly connected to the winding drum (4).

5. A novel plastic film blowing testing machine according to claim 4, characterized in that: The adjustment assembly (8) further comprises a limit rod (85) fixed to the side of the fixed plate (81), a limit block (86) fixed to the side of the movable block (83), and the limit block (86) slides on the outer surface of the limit rod (85).

6. A novel plastic film blowing testing machine according to claim 1, characterized in that: The adjustment assembly (8) further comprises an auxiliary groove (87) formed on the outer surface of the winding drum (3), and a filling strip (88) is fixed to the side surface of the winding drum (4), and the filling strip (88) slides in the corresponding auxiliary groove (87).

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