Screw for PP (polypropylene) sheet extrusion equipment

Abstract

The utility model belongs to the technical field of PP (polypropylene) sheet extrusion equipment, and particularly relates to a screw rod for PP sheet extrusion equipment, which comprises a screw rod body, a rotating rod is fixedly connected to the left end of the screw rod body, a rotating drum is fixedly connected to the left end of the rotating rod, and stirring toothed rings are arranged on the left side and the right side of the outer surface of the rotating drum. A dismounting assembly is arranged in the rotary drum, and the stirring gear ring is mounted on the rotary drum through the dismounting assembly; the screw rod body drives the rotating rod and the rotating drum to rotate during rotating work, and the rotating drum drives the stirring gear ring to rotate after rotating, so that the stirring gear ring can play a good stirring effect at a material extrusion port, material extrusion blockage is avoided, the extrusion efficiency can be improved, and the screw rod is convenient to use. Meanwhile, the stirring gear ring and the rotary drum are mounted through the dismounting assembly, and the stirring gear ring is convenient to dismount and replace, so that the use is convenient, and the practicability is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of PP sheet extrusion equipment, in particular to a screw rod for PP sheet extrusion equipment. Background Technique

[0002] PP sheets not only have high transparency, good barrier properties, low density, non-toxic and hygienic, but also can be recycled, and will not produce toxic and harmful gases when heated or burned, do not harm human health, and do not corrode equipment. They are a new type of green environmental protection packaging material. PP sheets need to use extrusion equipment to extrude their materials during the production and processing process.

[0003] However, most of the existing screw rods for PP sheet extrusion equipment are inconvenient to stir the materials at the material extrusion port during use, and are prone to blockage when extruding the materials, thus affecting the extrusion efficiency of the materials, and making the practicality of the screw rod not strong enough. Therefore, a screw rod for PP sheet extrusion equipment is proposed for the above problems. Summary of the Utility Model

[0004] In order to make up for the deficiencies of the prior art and solve the problems that most of the existing screw rods for PP sheet extrusion equipment are inconvenient to stir the materials at the material extrusion port during use, and are prone to blockage when extruding the materials, thus affecting the extrusion efficiency of the materials, and making the practicality of the screw rod not strong enough, the utility model proposes a screw rod for PP sheet extrusion equipment.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a screw rod for PP sheet extrusion equipment described in the utility model, including a screw rod body;

[0006] A rotating rod is fixedly connected to the left end of the screw rod body, a rotating cylinder is fixedly connected to the left end of the rotating rod, stirring tooth rings are arranged on both the left and right sides of the outer surface of the rotating cylinder, a disassembly component is arranged inside the rotating cylinder, and the stirring tooth ring is installed on the rotating cylinder through the disassembly component.

[0007] Preferably, a connecting seat is fixedly connected to the right end of the screw rod body, and a connecting rod is fixedly connected to the right side of the connecting seat.

[0008] Preferably, the inner side wall of the stirring tooth ring is attached to the outer surface of the rotating cylinder.

[0009] Preferably, the disassembly component includes a plurality of uniformly distributed jacks opened on the inner side wall of the stirring tooth ring. An inner groove is opened inside the rotating cylinder. A plurality of uniformly distributed through grooves are opened on both the left and right sides inside the inner groove. A pressing block is slidably connected inside the through groove. A spring is fixedly connected between the pressing block and the through groove. One side of the pressing block is fixedly connected with a plug rod. One section of the plug rod penetrates through the spring and is inserted into the jack. A threaded hole is opened on the left side inside the inner groove. A through groove is opened on the left side of the threaded hole. An external threaded plate is threadedly connected inside the threaded hole. One side of the external threaded plate is fixedly connected with a pressing rod. The pressing rod is inserted into the inner groove and the outer surface thereof is attached to the outer surface of the pressing block.

[0010] Preferably, the other side of the external threaded plate is fixedly connected with a handle plate, and the handle plate is located in the groove.

[0011] Preferably, a handle groove is opened at the center of one side of the handle plate.

[0012] Preferably, the side of the pressing block where the outer surface is attached to the pressing rod is arranged in an arc shape.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. When the screw body rotates, it drives the rotating rod and the rotating cylinder to rotate. After the rotating cylinder rotates, it drives the stirring tooth ring to rotate. Thus, the stirring tooth ring can achieve a good stirring effect at the material extrusion port, avoid material extrusion blockage, and improve the extrusion efficiency.

[0015] 2. The present utility model installs the stirring tooth ring and the rotating cylinder through the disassembly component, and it is convenient to disassemble and replace the stirring tooth ring, making it convenient to use and having strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a three-dimensional structural schematic diagram in the first embodiment;

[0018] Figure 2 It is a left-view structural schematic diagram in the first embodiment;

[0019] Figure 3 It is a partial front-sectional structural schematic diagram in the first embodiment;

[0020] Figure 4 For the [specific component] in Embodiment 1 Figure 3 Schematic diagram of the enlarged structure at position A in

[0021] Figure 5 For the [specific component] in Embodiment 1 Figure 3 Schematic diagram of the enlarged structure at position B in

[0022] In the figure: 1, screw body; 2, rotating rod; 3, stirring tooth ring; 4, rotating cylinder; 5, connecting seat; 6, connecting rod; 7, disassembly component; 701, handle plate; 702, groove; 703, handle groove; 704, threaded hole; 705, external threaded plate; 706, extrusion rod; 707, inner groove; 708, insertion hole; 709, insertion rod; 710, through groove; 711, spring; 712, extrusion block. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-4 As shown, a screw for a PP sheet extrusion device includes a screw body 1;

[0026] The left end of the screw body 1 is fixedly connected to a rotating rod 2, the left end of the rotating rod 2 is fixedly connected to a rotating cylinder 4, stirring tooth rings 3 are arranged on both the left and right sides of the outer surface of the rotating cylinder 4, a disassembly component 7 is arranged inside the rotating cylinder 4, and the stirring tooth ring 3 is installed on the rotating cylinder 4 through the disassembly component 7; during operation, when the screw body 1 rotates, it drives the rotating rod 2 and the rotating cylinder 4 to rotate, and after the rotating cylinder 4 rotates, it drives the stirring tooth ring 3 to rotate, so that the stirring tooth ring 3 can play a good stirring effect at the material extrusion port, avoid material extrusion blockage, improve the extrusion efficiency, and at the same time, the stirring tooth ring 3 is installed on the rotating cylinder 4 through the disassembly component 7, which is convenient for the disassembly and replacement of the stirring tooth ring 3, making it convenient to use and having strong practicability.

[0027] The right end of the screw body 1 is fixedly connected to a connecting seat 5, and the right side of the connecting seat 5 is fixedly connected to a connecting rod 6; during operation, the connection between the screw body 1 and external equipment is facilitated through the connecting seat 5 and the connecting rod 6.

[0028] The inner side wall of the stirring gear ring 3 is in contact with the outer surface of the rotating drum 4 ; during operation, the stirring gear ring 3 can be disassembled and separated from the rotating drum 4 .

[0029] The disassembly component 7 includes a plurality of evenly distributed jacks 708 provided on the inner side wall of the stirring gear ring 3, an inner groove 707 is provided inside the rotating drum 4, a plurality of evenly distributed through grooves 710 are provided on both the left and right sides of the inner groove 707, an extrusion block 712 is slidably connected inside the through groove 710, a spring 711 is fixedly connected between the extrusion block 712 and the through groove 710, a plug rod 709 is fixedly connected to one side of the extrusion block 712, a section of the plug rod 709 passes through the spring 711 and is inserted into the jack 708, a threaded hole 704 is provided on the left side of the inner groove 707, a through groove 702 is provided on the left side of the threaded hole 704, an external threaded plate 705 is threadedly connected inside the threaded hole 704, and an extrusion plate 705 is fixedly connected to one side of the external threaded plate 705 The outer surface of the screw rod 709 is in contact with the outer surface of the screw block 712, and the screw rod 709 is in contact with the outer surface of the screw block 712, so that the screw rod 706 is in contact with the outer surface of the screw block 712, and the screw rod 706 is in contact with the outer surface of the screw block 712, so that the screw rod 706 is in contact with the outer surface of the screw block 712, and the screw rod 706 is in contact with the outer surface of the screw block 712, so that the screw rod 706 is in contact with the outer surface of the screw block 712, and the screw rod 709 ... and the screw rod 709 is in contact with the outer surface of the screw block 712, and the screw rod 709 is in contact with the outer surface of the screw block 712, and the screw rod 709 is in contact with the outer surface of the screw block

[0030] A handle plate 701 is fixedly connected to the other side of the external thread plate 705 , and the handle plate 701 is located in the groove 702 ; during operation, the handle plate 701 facilitates the rotation of the external thread plate 705 .

[0031] A handle groove 703 is provided at the center of one side of the handle plate 701 ; during operation, the handle groove 703 facilitates the use of the handle plate 701 .

[0032] Embodiment 2

[0033] See also Figure 5 As shown, compared with Example 1, as another implementation of the present utility model, the side of the extrusion block 712 that fits the outer surface of the extrusion rod 706 is set to be in an arc shape; during operation, the extrusion block 712 is convenient to be extruded.

[0034] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0035] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A screw for a PP sheet extrusion device, comprising a screw body (1); Features: The left end of the screw body (1) is fixedly connected to a rotating rod (2), and the left end of the rotating rod (2) is fixedly connected to a rotating drum (4). The outer surface of the rotating drum (4) is provided with stirring toothed rings (3) on both left and right sides. A disassembly component (7) is provided inside the rotating drum (4), and the stirring toothed ring (3) is installed with the rotating drum (4) via the disassembly component (7).

2. The screw for PP sheet extrusion equipment according to claim 1, characterized in that: The right end of the screw body (1) is fixedly connected to a connecting seat (5), and the right side of the connecting seat (5) is fixedly connected to a connecting rod (6).

3. The screw for PP sheet extrusion equipment according to claim 1, characterized in that: The inner side wall of the stirring tooth ring (3) is in contact with the outer surface of the rotating drum (4).

4. The screw for PP sheet extrusion equipment according to claim 1, characterized in that: The disassembly assembly (7) comprises a plurality of evenly distributed insertion holes (708) provided on the inner side wall of the stirring gear ring (3); an inner groove (707) is provided inside the rotating drum (4); a plurality of evenly distributed through grooves (710) are provided on both left and right sides of the inner groove (707); an extrusion block (712) is slidably connected inside the through groove (710); a spring (711) is fixedly connected between the extrusion block (712) and the through groove (710); a plug rod (709) is fixedly connected to one side of the extrusion block (712); and the plug rod A section of (709) passes through the spring (711) and is inserted into the insertion hole (708). A threaded hole (704) is provided on the left side of the inner groove (707). A through groove (702) is provided on the left side of the threaded hole (704). An external threaded plate (705) is threadedly connected to the inner part of the threaded hole (704). An extrusion rod (706) is fixedly connected to one side of the external threaded plate (705). The extrusion rod (706) is inserted into the inner groove (707) and its outer surface is in contact with the outer surface of the extrusion block (712).

5. The screw for PP sheet extrusion equipment according to claim 4, characterized in that: The other side of the external thread plate (705) is fixedly connected to a handle plate (701), and the handle plate (701) is located in the groove (702).

6. The screw for PP sheet extrusion equipment according to claim 5, characterized in that: A handle groove (703) is provided at the center of one side of the handle plate (701).

7. The screw for PP sheet extrusion equipment according to claim 4, characterized in that: The side of the extrusion block (712) that is in contact with the outer surface of the extrusion rod (706) is arranged in an arc shape.

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