Film blowing thickness adjusting device of film blowing machine

Abstract

The utility model discloses a film blowing thickness adjusting device of a film blowing machine. The film blowing thickness adjusting device comprises a rack, two groups of sliding blocks are arranged, each group comprises two sliding blocks, and the two groups of sliding blocks are mounted on the rack in a relatively sliding manner; the traction rollers are rotationally mounted between the two sliding blocks in each group; the adjusting assembly is arranged on the rack and used for adjusting the gap between the two traction rollers. When the film blowing machine is used, the driving assembly is started to drive the two traction rollers to rotate relatively, the thickness of a film is controlled according to the rotating speed of the traction rollers driven by the driving assembly, and according to the thickness of the film, the thickness of the film is controlled by the driving assembly. And the adjusting assembly is started to drive the two sets of sliding blocks and the traction rollers to move mutually, the distance between the two traction rollers is automatically adjusted, adjustment during installation by personnel is not needed, and the problem that adjustment is troublesome during later use is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a blown film machine technical field, and the specific field is a blown film machine blown film thickness adjusting device. BACKGROUND

[0002] The blown film machine is blown into a film after the plastic particle is heated and fused, and the high-low pressure polyethylene blown by the blown film machine is widely used for composite film, packaging film, agricultural mulching film, textile, clothing bag or film packaging.

[0003] At present, the thickness of the product needs to be controlled when the blown film machine is used, which can be controlled by controlling the traction mechanism and the speed of the main machine of the blown film machine, but the existing device cannot be automatically adjusted, and personnel need to adjust during installation, which is troublesome during adjustment in the later use, therefore, the blown film machine blown film thickness adjusting device is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a blown film machine blown film thickness adjusting device to solve the problem that the existing device cannot be automatically adjusted, personnel need to adjust during installation, and it is troublesome to adjust in the later use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme a blown film machine blown film thickness adjusting device, which comprises:

[0006] A rack;

[0007] Sliding blocks, two groups are provided, each group is provided with two, and the two groups of sliding blocks are oppositely installed on the rack;

[0008] Traction rollers are rotatably installed between the two sliding blocks of each group;

[0009] Adjusting components are arranged on the rack and used for adjusting the gap between the two traction rollers;

[0010] Driving components are arranged on the rack and used for simultaneously driving the relative rotation of the two traction rollers.

[0011] Preferably, the adjusting component comprises a first driving motor arranged on the rack, the driving end of the first driving motor is provided with a bidirectional threaded rod, two sliding seats are oppositely arranged on the bidirectional threaded rod, and the sliding seats are respectively provided with connecting plates connected with the two sliding blocks on the same side.

[0012] Preferably, the driving assembly comprises a lifting platform arranged on the frame, two gears are relatively rotatably arranged on the lifting platform and are connected with each other, a second driving motor is arranged on the lifting platform and drives the rotation of the gears, a first transmission roller is arranged at the rotating end of the gear, a second transmission roller is arranged at the rotating end of the traction roller, and a transmission belt is arranged between the first transmission roller and the second transmission roller on the same side.

[0013] Preferably, the lifting platform comprises an electric cylinder arranged on the frame, and the output end of the electric cylinder is provided with a mounting platform, and a pressure sensor is arranged on the electric cylinder.

[0014] Preferably, the front and rear ends of the frame are each provided with a strip-shaped opening, and each group of two sliding blocks is slidingly arranged in the two strip-shaped openings, and the inner side of the strip-shaped opening is provided with a guide rod which penetrates the two sliding blocks in sequence.

[0015] Compared with the prior art, the blowing film thickness adjusting device of the blowing film machine has the advantages that: during use, the two traction rollers are relatively rotated by starting the driving assembly, the thickness of the film is controlled according to the speed of the rotation of the traction rollers driven by the driving assembly, and according to the thickness of the film, the two groups of sliding blocks and the traction rollers are moved by starting the adjusting assembly, so that the distance between the two traction rollers is automatically adjusted, and personnel is not required to adjust during installation, thereby avoiding the problem that it is troublesome to adjust during later use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a main sectional view structure schematic diagram of the utility model;

[0017] Figure 2 It is a left sectional view structure schematic diagram of the utility model;

[0018] Figure 3 It is Figure 1 A local enlarged structure schematic diagram of the utility model.

[0019] In the figure: 1, frame; 2, sliding block; 3, traction roller; 4, adjusting assembly; 4-1, first driving motor; 4-2, bidirectional threaded rod; 4-3, sliding seat; 4-4, connecting plate; 5, driving assembly; 5-1, lifting platform; 5-1-1, electric cylinder; 5-1-2, mounting platform; 5-1-3, pressure sensor; 5-2, gear; 5-3, second driving motor; 5-4, first transmission roller; 5-5, second transmission roller; 5-6, transmission belt; 6, strip-shaped opening; 7, guide rod. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0021] Please refer to Figures 1-3 The present application provides a technical solution: a film blowing thickness adjusting device of a film blowing machine, comprising: a rack 1; two groups of sliding blocks 2 are arranged, each group is provided with two sliding blocks 2, and the two groups of sliding blocks 2 are oppositely slidably installed on the rack 1; a traction roller 3 is rotatably installed between the two sliding blocks 2 of each group; an adjusting assembly 4 is arranged on the rack 1 and used for adjusting the gap between the two traction rollers 3; a driving assembly 5 is arranged on the rack 1 and used for simultaneously driving the two traction rollers 3 to rotate oppositely; in use, the two traction rollers 3 are driven to rotate oppositely by starting the driving assembly 5, the thickness of the film is controlled according to the speed of the driving assembly 5 driving the traction roller 3 to rotate, and the two groups of sliding blocks 2 and the traction roller 3 are moved relative to each other by starting the adjusting assembly 4, so that the gap between the two traction rollers 3 is automatically adjusted, and personnel is not required to adjust during installation, thereby avoiding the problem that it is troublesome to adjust during later use.

[0022] Specifically, the adjusting assembly 4 comprises a first driving motor 4-1 arranged on the rack 1, a bidirectional threaded rod 4-2 is arranged at the driving end of the first driving motor 4-1, two sliding seats 4-3 are oppositely arranged on the bidirectional threaded rod 4-2, two connecting plates 4-4 connected with the two sliding blocks 2 on the same side are respectively arranged on the sliding seats 4-3, in use, the bidirectional threaded rod 4-2 is driven to rotate by starting the first driving motor 4-1, the two sliding seats 4-3 and the two connecting plates 4-4 on the two sliding seats 4-3 are driven to move oppositely by the rotation of the bidirectional threaded rod 4-2, the two sliding blocks 2 and the traction roller 3 are driven to move oppositely, and the gap between the two traction rollers 3 is automatically adjusted.

[0023] Specifically, the driving assembly 5 comprises a lifting platform 5-1 arranged on the rack 1, two gears 5-2 are rotatably arranged on the lifting platform 5-1 and are connected with each other, a second driving motor 5-3 is arranged on the lifting platform 5-1 and drives the rotation of one gear 5-2, a first transmission roller 5-4 is arranged at the rotating end of the gear 5-2, a second transmission roller 5-5 is arranged at the rotating end of the traction roller 3, and a transmission belt 5-6 is arranged between the first transmission roller 5-4 and the second transmission roller 5-5 on the same side.

[0024] Specifically, the lifting platform 5-1 comprises an electric cylinder 5-1-1 arranged on the rack 1, an installation platform 5-1-2 is arranged at the output end of the electric cylinder 5-1-1, and a pressure sensor 5-1-3 is arranged on the electric cylinder 5-1-1.

[0025] Specifically, the rack 1 is provided with strip-shaped through openings 6 at the front end and the rear end, each group of two sliding blocks 2 is slidingly arranged in the two strip-shaped through openings 6, the inner side of the strip-shaped through opening 6 is provided with guide rods 7 which penetrate the two sliding blocks 2 in sequence, and the guide rods 7 are provided in two.

[0026] Working principle: when the device works, the thickness of the film is controlled by the relative rotation of the two traction rollers 3 driven by the driving assembly 5, the two groups of sliding blocks 2 and the traction rollers 3 are moved by the adjusting assembly 4 according to the thickness of the film, the film is pulled, and the automatic adjustment of the device is realized.

[0027] In the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A blown film thickness adjustment device for a blown film machine, characterized in that, include: Rack (1); The slider (2) is provided in two sets, with two sliders in each set. The two sets of sliders (2) are slidably mounted on the frame (1) relative to each other. The traction roller (3) is rotatably mounted between the two sliders (2) in each group; An adjustment component (4) is mounted on the frame (1) and is used to adjust the gap between the two traction rollers (3); The drive assembly (5) is mounted on the frame (1) and is used to drive the two traction rollers (3) to rotate relative to each other simultaneously.

2. The blown film thickness adjustment device for a blown film machine according to claim 1, characterized in that: The adjustment component (4) includes a first drive motor (4-1) mounted on the frame (1). The drive end of the first drive motor (4-1) is provided with a bidirectional threaded rod (4-2). Two sliding seats (4-3) are provided opposite to each other on the bidirectional threaded rod (4-2). The sliding seats (4-3) are respectively provided with connecting plates (4-4) that are connected to the two sliders (2) on the same side.

3. The blown film thickness adjustment device for a blown film machine according to claim 1, characterized in that: The drive assembly (5) includes a lifting platform (5-1) mounted on the frame (1). Two gears (5-2) are rotatably mounted on the lifting platform (5-1) and mesh with each other. A second drive motor (5-3) is provided on the lifting platform (5-1) to drive the gear (5-2) on one side to rotate. A first transmission roller (5-4) is provided at the rotating end of the gear (5-2), and a second transmission roller (5-5) is provided at the rotating end of the traction roller (3). A transmission belt (5-6) is provided between the first transmission roller (5-4) and the second transmission roller (5-5) on the same side.

4. The blown film thickness adjustment device for a blown film machine according to claim 3, characterized in that: The lifting platform (5-1) includes an electric cylinder (5-1-1) mounted on the frame (1), the output end of the electric cylinder (5-1-1) is provided with an installation platform (5-1-2), and the electric cylinder (5-1-1) is provided with a pressure sensor (5-1-3).

5. The blown film thickness adjustment device for a blown film machine according to claim 1, characterized in that: The frame (1) has strip-shaped openings (6) at both the front and rear ends. Each set of two sliders (2) are slidably installed in the two strip-shaped openings (6). The inner side of the strip-shaped openings (6) is provided with guide rods (7) that pass through the two sliders (2) in sequence.

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