Anti-blocking heavy packaging film extruder

Abstract

The utility model discloses an anti-blocking heavy packaging film extruder, which belongs to the technical field of extruders and comprises a feed hopper, a feed cylinder and an extrusion cylinder, an extrusion screw is arranged in the extrusion cylinder, a wall cleaning mechanism is arranged in the feed hopper, a stepping motor is fixedly mounted at the upper end of the feed hopper and is connected with a rotating rod, and the rotating rod is connected with the extrusion cylinder. The rotating rod penetrates through the feeding hopper and the feeding cylinder, the rotating rod comprises a propelling screw section and a two-way threaded section, the propelling screw section is located in the feeding hopper, the two-way threaded section is located in the feeding cylinder, and a material cleaning mechanism is arranged on the two-way threaded section. According to the utility model, materials are promoted to flow in the feeding hopper by virtue of the propelling screw rod, the materials are prevented from being accumulated, and meanwhile, the materials on the inner walls of the feeding hopper and the feeding cylinder are better cleaned by virtue of the cooperative work of the wall cleaning mechanism and the material cleaning mechanism, so that the blockage caused by material adhesion is effectively prevented, the existing technical problems are solved, and the requirements in practical application are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to extruder technical field relates to a kind of anti-blocking heavy packaging film extruder. BACKGROUND

[0002] Heavy packaging film extruder is a kind of mechanical equipment specially used for producing heavy packaging film, and its core function is to extrude plastic film material efficiently and continuously. The main function of this machine is to plasticize raw materials such as plastic particles or powder through heating and pressurizing, and then to extrude continuous heavy packaging film through a die. This machine is widely used in the packaging industry, especially in the field of high-strength and heavy-load packaging materials. However, during the use of the extruder, material blockage is a common and difficult problem. Material blockage not only leads to a decrease in production efficiency, but also can damage machine parts and increase maintenance costs. Currently, impurities in the material, wear of the screw and the barrel, and blockage of the die plate hole can all cause the extruder to block.

[0003] At present, some anti-blocking technologies have been adopted in the existing extruders on the market, such as setting a filter screen to filter impurities and using wear-resistant materials to reduce the wear of the screw and the barrel. However, in actual application, these technologies still face some challenges. For example, although the filter screen can effectively filter impurities, it may also be blocked after a long period of use and needs to be cleaned regularly. The wear of the screw and the barrel is difficult to completely avoid, especially when dealing with high-hardness or high-viscosity materials. SUMMARY

[0004] The purpose of the present utility model is to overcome the existing problems and provide an anti-blocking heavy packaging film extruder. The material is stirred by means of the propelling screw segment, which makes the material flow in the hopper and prevents material accumulation. The material on the inner wall of the hopper and the feed cylinder is cleaned by the wall cleaning mechanism and the material cleaning mechanism, thereby effectively preventing blockage due to material adhesion. This effectively solves the existing technical problems and meets the actual application requirements.

[0005] To solve the above problems, the utility model provides the following technical scheme:

[0006] An anti-blocking heavy packaging film extruder includes a hopper, a feed cylinder, and an extrusion cylinder. An extrusion screw is arranged in the extrusion cylinder. A wall cleaning mechanism is arranged in the hopper. A stepper motor is fixedly installed on the upper end of the hopper. A rotating rod is connected to the stepper motor. The rotating rod penetrates the hopper and the feed cylinder. The rotating rod includes a propelling screw segment and a bidirectional threaded segment. The propelling screw segment is located in the hopper, and the bidirectional threaded segment is located in the feed cylinder. A material cleaning mechanism is arranged on the bidirectional threaded segment.

[0007] Preferably, the stepping motor is mounted on a motor frame, and the two ends of the motor frame are fixedly mounted on the feeding hopper, the motor frame serves as a bearing structure of the stepping motor, fixes the stepping motor and provides a stable mounting platform, and by fixing the motor frame on the feeding hopper, the relative position between the stepping motor and the feeding hopper can be ensured to be stable, thereby ensuring the accuracy and reliability of mechanical operation.

[0008] Preferably, the wall cleaning mechanism comprises a rotating rod, an inclined rod and a brush, the rotating rod is mounted at the lower end of the motor frame, the rotating rod is connected with the stepping motor, so that the stepping motor can drive the rotating rod to rotate, thereby realizing efficient power transmission from the stepping motor to the rotating rod; the inclined rod is provided with the brush for cleaning the inner wall of the feeding hopper on the side wall close to the inner wall of the feeding hopper, and by rotating the inclined rod, the brush can clean the residual material on the inner wall of the feeding hopper, and the cleaning of the brush can ensure the continuous and efficient operation of the extruder.

[0009] Preferably, the upper end and the lower end of the bidirectional threaded segment are rotatably connected in the feeding cylinder through bearing rods, and the bearing rods provide stable support and a rotation center for the bidirectional threaded segment, thereby ensuring that the bidirectional threaded segment can rotate smoothly and efficiently.

[0010] Preferably, the material cleaning mechanism comprises two material cleaning members, the material cleaning member comprises a threaded cylinder and a material cleaning ring, the threaded cylinder and the material cleaning ring are connected through a connecting rod, the threaded cylinder is sleeved on the bidirectional threaded segment, the thread in the threaded cylinder is matched with the thread of the bidirectional threaded segment, and the outer wall of the material cleaning ring is provided with a brush, when the bidirectional threaded segment rotates, the material cleaning member moves, so that the brush on the material cleaning ring can scrape off the residual material attached to the inner wall of the feeding cylinder.

[0011] Preferably, the outer side wall of the material cleaning ring is provided with a convex card, the feeding cylinder is provided with a sliding groove matched with the convex card on the inner wall, and the sliding groove is provided with two corresponding sliding grooves, the cooperation of the convex card and the sliding groove can realize positioning and guiding, when the material cleaning member needs to move in the feeding cylinder, the convex card slides in the sliding groove, so that the material cleaning member can move along the predetermined path, and deviation or misalignment is avoided.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] 1. The utility model discloses a drive propelling screw section rotation through the stepping motor, and then can fully stir the material, ensure that the material keeps certain fluidity on the inner wall of feeding hopper, the rotation of the screw rod is driven through the stepping motor, thereby driving the inclined rod and the brush on the inclined rod to clean the residual material on the inner wall of feeding hopper, when the bidirectional threaded section rotates, the material cleaning component that is composed of the threaded cylinder and the material cleaning ring moves up and down along the bidirectional threaded section oppositely or reversely, so that the brush on the material cleaning ring can scrape off the residual material attached to the inner wall of the feeding cylinder, effectively avoid the problem of blockage due to material bonding.

[0014] 2. The utility model discloses that the cleaning of wall cleaning mechanism and material cleaning mechanism reduces the damage to the equipment due to material residual, bonding, prolongs the service life of the equipment, and also reduces the maintenance cost, and bearing rod provides stable support and rotation center for the rotating rod, ensures the stable, efficient rotation of the rotating rod, and further improves the production efficiency. DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the application, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the sectional structure schematic diagram of the utility model;

[0018] Fig. 3 It is the sectional structure overhead view of the feeding cylinder of the utility model.

[0019] In the drawings, the component list represented by each sign is as follows: 1, feeding hopper;2, feeding cylinder;3, extrusion cylinder;4, extrusion screw;5, stepping motor;6, motor frame;7, rotating rod;8, inclined rod;9, brush;10, propelling screw section;11, bidirectional threaded section;12, bearing rod;13, threaded cylinder;14, material cleaning ring;15, convex card;16, sliding slot. PREFERRED EMBODIMENT

[0020] The technical scheme in the utility model example will be clearly and completely described below in combination with the drawings in the utility model example, and obviously, the described example is only a part of the utility model, not all the examples. Based on the example in the utility model, all other examples obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "arrangement", "connection" and "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrative connection;Can be mechanical connection, can be direct connection, also can pass through intermediate medium indirectly connect, can be two elements inside the intercommunication.For the ordinary skill in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0022] For the convenience of understanding, please refer to Figs. 1-3 The utility model provides a kind of anti-clogging's heavy packaging film extruder, including feed hopper 1, feed cylinder 2 and extrusion cylinder 3, extrusion cylinder 3 is provided with extrusion screw 4, extrusion screw 4 plays multiple roles such as conveying material, compaction and melting and extrusion in the plastic extrusion process of extruder, ensure the smooth progress of extrusion process and high-quality output of extruded product, the feed hopper 1 is provided with wall cleaning mechanism, feed hopper 1 upper end is fixedly installed with step motor 5, the step motor 5 is installed on motor bracket 6, the both ends of motor bracket 6 are fixedly installed on feed hopper 1, and motor bracket 6 is the load-bearing structure of step motor 5, fixes step motor 5 and provides a stable mounting platform, by fixing motor bracket 6 on feed hopper 1, the relative position stability between step motor 5 and feed hopper 1 can be ensured, to ensure the accuracy and reliability of mechanical operation, the wall cleaning mechanism includes rotating rod 7, inclined rod 8 and brush 9, the rotating rod 7 is installed at the lower end of motor bracket 6, and the rotating rod 7 is connected with step motor 5, so that step motor 5 can drive rotating rod 7 to rotate, to realize the efficient transmission of power from step motor 5 to rotating rod 7, the inclined rod 8 is provided with two, and one end is connected with the left end or right end of rotating rod 7, the brush 9 for cleaning the inner wall of feed hopper 1 is arranged on the side wall close to the inner wall of feed hopper 1 of inclined rod 8, by the rotation of inclined rod 8, brush 9 is driven to clean the residual material in the inner wall of feed hopper, and the cleaning of brush 9 can ensure the continuous and efficient operation of extruder;

[0023] The rotating rod is provided with a propelling screw segment 10 and a bidirectional thread segment 11, wherein the propelling screw segment 10 is located in the feeding hopper 1, and the bidirectional thread segment 11 is located in the feeding cylinder 2, the upper end and the lower end of the bidirectional thread segment 11 are rotationally connected in the feeding cylinder 2 through bearing rods 12, the bearing rods 12 provide stable support and a rotation center for the bidirectional thread segment 11, and ensure that the bidirectional thread segment 11 can rotate smoothly and efficiently, a cleaning mechanism is arranged on the bidirectional thread segment 11, the cleaning mechanism comprises two cleaning components, the cleaning components comprise a threaded cylinder 13 and a cleaning ring 14, the threaded cylinder 13 and the cleaning ring 14 are connected through a connecting rod, the threaded cylinder 13 is sleeved on the bidirectional thread segment 11, the thread in the threaded cylinder 13 is matched with the thread of the bidirectional thread segment 11, brushes are arranged on the outer wall of the cleaning ring 14, when the bidirectional thread segment 11 rotates, the cleaning components move along with the bidirectional thread segment 11, so that the brushes on the cleaning ring 14 can scrape off the material residues adhered to the inner wall of the feeding cylinder 2, convex cards 15 are arranged on the outer side wall of the cleaning ring 14, the feeding cylinder 2 is provided with sliding grooves 16 matched with the convex cards 15 on the inner wall, the sliding grooves 16 are correspondingly provided with two, the cooperation of the convex cards 15 and the sliding grooves 16 can play a positioning and guiding role, when the cleaning components need to move in the feeding cylinder 2, the convex cards 15 slide in the sliding grooves 16, so that the cleaning components can move along the predetermined path, and deviation or misplacement is avoided.

[0024] The working principle of the utility model is as follows:

[0025] In the use process of the utility model, the rotating rod 7 and the rotating rod are simultaneously rotated by starting the stepping motor 5 and driving the rotating rod 7 and the rotating rod connected with the stepping motor 5, the rotating of the rotating rod 7 can drive the inclined rod 8 to rotate against the inner wall of the feeding hopper 1, and then drive the brush 9 on the inner wall of the inclined rod 8 to clean the inner wall of the feeding hopper 1, wherein the rotating rod is divided into the propelling screw segment 10 and the bidirectional thread segment 11, the rotating of the rotating rod makes the propelling screw segment 10 and the bidirectional thread segment 11 rotate, and the rotating of the propelling screw segment 10 is used to realize the effect of stirring material, so as to ensure that the material keeps a certain fluidity on the feeding hopper 1, the rotating of the bidirectional thread segment 11 can make the threaded cylinder 13 sleeved on the bidirectional thread segment 11 move, and because the threaded cylinder 13 and the cleaning ring 14 are connected, and the convex cards 15 and the sliding grooves 16 are matched, the two cleaning components move up and down along the predetermined path of the bidirectional thread segment 11 in opposite directions or the same direction, and the brushes on the cleaning ring 14 also clean, so that the brushes scrape off the material residues adhered to the inner wall of the feeding cylinder 2, thereby achieving the effect of preventing material accumulation and blockage.

[0026] In summary, the utility model discloses simple structure, convenient and fast to use, and strong practicality, therefore, the utility model effectively overcomes the practical problem in the prior art thereby has very high use value and practical significance.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Although the embodiments of the utility model have been shown and described, various modifications, replacements, variations and improvements can be made to these embodiments without departing from the principle and spirit of the utility model for ordinary skilled persons in the art, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clog-resistant heavy packaging film extruder, comprising a feed hopper (1), a feed cylinder (2), and an extrusion cylinder (3), wherein an extrusion screw (4) is disposed inside the extrusion cylinder (3), characterized in that... The feeding hopper (1) is equipped with a wall cleaning mechanism. A stepper motor (5) is fixedly installed at the upper end of the feeding hopper (1). The stepper motor (5) is connected to a rotating rod. The rotating rod passes through the feeding hopper (1) and the feeding cylinder (2). The rotating rod includes a push screw section (10) and a bidirectional threaded section (11). The push screw section (10) is located inside the feeding hopper (1), and the bidirectional threaded section (11) is located inside the feeding cylinder (2). A cleaning mechanism is provided on the bidirectional threaded section (11).

2. The anti-clogging heavy packaging film extruder according to claim 1, characterized in that: The stepper motor (5) is mounted on the motor frame (6), and the two ends of the motor frame (6) are fixedly mounted on the feed hopper (1).

3. The anti-clogging heavy packaging film extruder according to claim 1, characterized in that: The wall cleaning mechanism includes a rotary rod (7), a diagonal rod (8), and a brush (9). The rotary rod (7) is installed at the lower end of the motor frame (6) and is connected to the stepper motor (5). There are two diagonal rods (8), one end of which is connected to the left or right end of the rotary rod (7). The brush (9) for cleaning the inner wall of the feed hopper is installed on the side wall of the diagonal rod (8) near the inner wall of the feed hopper (1).

4. The anti-clogging heavy packaging film extruder according to claim 1, characterized in that: The upper and lower ends of the bidirectional threaded section (11) are rotatably connected to the feed cylinder (2) via a bearing rod (12).

5. The anti-clogging heavy packaging film extruder according to claim 1, characterized in that: The cleaning mechanism consists of two cleaning components, each including a threaded cylinder (13) and a cleaning ring (14). The threaded cylinder (13) and the cleaning ring (14) are connected by a connecting rod. The threaded cylinder (13) is sleeved on the bidirectional threaded section (11). The thread inside the threaded cylinder (13) matches the thread of the bidirectional threaded section (11). A brush is provided around the outer wall of the cleaning ring (14).

6. The anti-clogging heavy packaging film extruder according to claim 5, characterized in that: The outer wall of the cleaning ring (14) is provided with a protruding clip (15), and the inner wall of the feed cylinder (2) is provided with a sliding groove (16) that matches the protruding clip (15).

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