CN220720199U - Spool apparatus for producing - Google Patents

Abstract

The utility model relates to the technical field of pipe production, in particular to a wire pipe production device, which comprises a material mixing system, a material discharging hopper and an extrusion production line, wherein the material mixing system is provided with a first material outlet; still including being used for carrying out filterable screening mechanism to the powder, screening mechanism is located between first discharge gate and the lower hopper. According to the utility model, the material screening mechanism is additionally arranged between the material mixing system and the material discharging hopper, so that impurities are filtered in the powder conveying process, the purity of raw materials is ensured, uneven wall thickness and perforation of produced pipes are avoided, and the product yield is improved.

Description

Spool apparatus for producing

Technical Field

The utility model relates to the technical field of pipe production, in particular to a spool production device.

Background

PVC-U wire pipe is widely used in home decoration, electric power industry, is in high temperature, dusty, has vibrations and has the dangerous environment of conflagration often, and this puts forward higher requirement to the quality of wire pipe. The manufacturing process of the product is as follows: feeding raw materials; intelligent compounding and feeding; extruding raw materials; molding by a mold; cooling and shaping; drawing the pipe; cutting at fixed length; and (5) packaging finished products and offline. However, the existing PVC-U wire pipe is easy to generate the phenomenon of uneven pipe wall thickness and easy perforation in the production process.

The reason why the uneven wall thickness may occur is that: the center of the core mold and the center of the mouth mold are positioned incorrectly; the material plasticization is uneven, and the discharging is uneven; abnormal traction, and has the phenomena of speed and slip; the material decomposition or the unstable temperature of the machine head cause uneven material discharge; the compressed air is unstable. Aiming at the problems, the following measures can be adopted to adjust and solve: the center positions of the two are readjusted, so that the concentricity of the two is ensured; adjusting the temperature to enable plasticization to be uniform; checking the traction device to enable the traction to be stable; checking whether the heating ring of the machine head and the control instrument are damaged or not, and thoroughly cleaning the die; and adjusting stable air supply.

When all process flows of the pipe meet the normal production standard during production, the pipe wall perforation phenomenon also exists, besides the problems of hardware equipment, production process, operation machine and the like, the pipe wall perforation is also caused by insufficient mixing of impurities and formulas contained in raw materials.

The prior art discloses a PVC pipe production process, which comprises the following steps: putting various raw materials into a mixer, uniformly mixing the raw materials through a hot mixing and cold mixing step, and collecting the mixed raw materials in a dry bin for later use; putting the materials into an extruder, evenly plasticizing the materials in the extruder under the shearing and external heat effects of a screw rod, entering an extruder head, endowing the materials with a certain shape in the extruder head, further plasticizing the materials, leaving the extruder, and cutting the pipe through shaping and pipe processing to finish the production of the pipe. However, in the scheme, various raw materials are collected in a dry bin after hot mixing and cold mixing and enter an extruder, impurities in materials entering the extruder cannot be removed, the impurities in the materials easily cause uneven wall thickness of produced pipes and even perforation, and the quality of products is unqualified.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a spool production device which can remove impurities in powder entering an extruder, avoid uneven wall thickness and perforation of a pipe caused by impurities contained in raw materials and improve the yield of products.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a spool apparatus for producing, including compounding system, unloading hopper and extrusion line, compounding system is equipped with first discharge gate, extrusion line is equipped with first feed inlet, unloading hopper is located the below of first discharge gate, and the bottom of unloading hopper with first feed inlet intercommunication; still including being used for carrying out filterable screening mechanism to the powder, screening mechanism is located first discharge gate with between the lower hopper.

According to the spool production device, when the spool is produced, raw materials are mixed by the mixing system and then enter the screening mechanism, impurities in the raw materials are filtered out by the screening mechanism, and the filtered raw materials enter the extrusion production line through the blanking hopper to extrude the spool. According to the utility model, the material screening mechanism is additionally arranged between the material mixing system and the material discharging hopper, so that impurities are filtered in the powder conveying process, the purity of raw materials is ensured, uneven wall thickness and perforation of produced pipes are avoided, and the product yield is improved.

Further, the screening mechanism is a vibrating screen. Through the vibration that the shale shaker applyed, can prevent the shale shaker jam when filtering the powder that gets into the shale shaker, and can improve filter effect and filtration efficiency.

Further, the discharging hopper is provided with a mixing mechanism for mixing powder in the discharging hopper. Powder from the screening mechanism comprises polyvinyl chloride, calcium carbonate, acrylic ester, a calcium zinc stabilizer, titanium pigment, paraffin and the like, and in the natural falling process, the powder is fully stirred and mixed by the mixing mechanism to reach the extrusion production line, so that the extruded wire pipe cannot have pipe wall perforation phenomenon caused by uneven thickness and uneven brittleness of the formula.

Further, the mixing mechanism comprises a driving motor and a mixing screw rod, wherein the driving motor is arranged on the outer wall of the discharging hopper, the mixing screw rod is rotatably arranged in the discharging hopper, and an output shaft of the driving motor is connected with one end of the mixing screw rod. After the impurity is filtered by the sieving mechanism, the powder naturally falls down in the discharging hopper, and the driving motor drives the mixing screw to rotate, so that the powder is stirred, and the uniform mixing of the powder is completed in real time.

Further, the central axis of the mixing screw is parallel to the horizontal plane. The powder filtered by the sieving mechanism naturally falls under the action of gravity, the mixing screw is horizontally arranged, the rotation axis of the mixing screw is vertical to the falling direction of the powder, the powder can be pushed when the mixing screw rotates, and at the moment, the powder can be fully and uniformly transported, so that the powder is uniformly mixed.

Further, the mixing screw is provided with threads, and the pitch of the threads gradually increases from one end close to the driving motor to one end far away from the driving motor. The powder is more uniformly mixed through the change of the screw pitch on the mixing screw.

Further, the discharging hopper comprises a feeding barrel and a discharging nozzle connected to the bottom of the feeding barrel, the mixing mechanism is arranged in the feeding barrel, and the first discharging hole is positioned at the bottom of the discharging nozzle. The powder in the feeding barrel is stirred and mixed by the mixing mechanism, and then is converged on the extrusion production line through the discharging nozzle for injection molding production.

Further, the discharge nozzle is conical, and the inner diameter of the discharge nozzle gradually decreases from one end close to the feeding barrel to the other end far away from the feeding barrel. The conical discharging nozzle can be convenient for converging uniformly mixed powder, discharging the powder from the first discharging hole and entering the first feeding hole, and further realizing powder mixing.

Further, the compounding system is including being used for carrying out the hot mixer that heats the mixture to the raw materials and being used for carrying out the cold mixer of cooling stirring to the raw materials, the hot mixer is equipped with the second discharge gate, the cold mixer is equipped with the second feed inlet, the second discharge gate with the second feed inlet intercommunication, first discharge gate is located the cold mixer. The hot mixer is utilized, the raw materials are heated through external heating and internal friction heat, the mixing speed and the mixing effect of the powder are accelerated, the mixed raw materials can be prevented from being coagulated into blocks through cooling, stirring and heat dissipation of the cold mixer, the coagulated powder is broken, the dispersibility of the powder is kept, and the powder can enter the screening mechanism to further filter and remove impurities.

Further, the extrusion production line comprises an extruder, a shaping mechanism, a traction mechanism and a cutting mechanism which are sequentially connected, and the first feed inlet is formed in the top of the extruder. After the raw materials pass through the compounding system compounding, reject impurity through screening mechanism behind fall into the unloading hopper, the powder passes through the unloading hopper get into the extruder in extrude the spool, through shaping mechanism cooling shaping back, through traction mechanism's traction effect under advance to utilize cutting mechanism to cut the spool of predetermined length, accomplish the production of spool.

Compared with the background technology, the spool production device of the utility model has the following beneficial effects:

(1) Impurities in powder entering the extruder can be removed through the material screening mechanism, so that the purity of the material is ensured, uneven wall thickness and perforation of the pipe caused by impurities contained in the raw material are avoided, and the yield of the product is improved;

(2) The powder in the discharging hopper can be fully stirred and mixed through the mixing mechanism, so that the phenomenon that the pipe wall is perforated due to uneven thickness and uneven brittleness of extruded pipes due to uneven formulation is avoided.

Drawings

FIG. 1 is a schematic view of a pipe production apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a three-line pipe production apparatus according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a hopper according to an embodiment of the present utility model.

The graphic indicia are illustrated as follows: 1-a hot mixer; 2-a cold mixer; 3-a screening mechanism; 4-blanking hopper; 41-feeding a charging barrel; 42-a discharge nozzle; 5-a mixing mechanism; 51-driving a motor; 52-mixing screw rods; 6-an extruder; 7-shaping mechanism.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Example 1

The spool production device comprises a mixing system, a discharging hopper 4 and an extrusion production line, wherein the mixing system is provided with a first discharge port, the extrusion production line is provided with a first feed port, the discharging hopper 4 is positioned below the first discharge port, and the bottom of the discharging hopper 4 is communicated with the first feed port; still include the screening mechanism 3 that is used for carrying out filterable powder, screening mechanism 3 is located between first discharge gate and the lower hopper 4.

Foretell spool apparatus for producing, during the production spool, the raw materials gets into sieve material mechanism 3 after the compounding system mixes, filters out impurity in the raw materials through sieve material mechanism 3, and the raw materials after filtering gets into extrusion line through hopper 4 in order to extrude production spool. In this embodiment, the sieve material mechanism 3 that adds between compounding system and lower hopper 4 for the powder is at the in-process of conveying, filters impurity, has guaranteed the purity of raw materials, avoids the tubular product wall thickness inequality and the perforation of production, has improved the product yields.

The screening mechanism 3 is a vibrating screen. Through the vibration that the shale shaker applyed, can prevent the shale shaker jam when filtering the powder that gets into the shale shaker, and can improve filter effect and filtration efficiency.

As shown in fig. 1 and 2, the extrusion production line comprises an extruder 6, a shaping mechanism 7, a traction mechanism and a cutting mechanism which are sequentially connected, and a first feed inlet is formed in the top of the extruder 6. During implementation, after the raw materials are mixed through the mixing system, impurities are removed through the screening mechanism 3 and then fall into the blanking hopper 4, powder enters the extruder 6 through the blanking hopper 4 to extrude the spool, after cooling and shaping through the shaping mechanism 7, the powder advances under the traction effect of the traction mechanism, and the spool with the preset length is cut through the cutting mechanism, so that the spool is produced.

Example two

The difference between this embodiment and the embodiment is that, as shown in fig. 1 and 2, the mixing system includes a hot mixer 1 for heating and mixing the raw materials and a cold mixer 2 for cooling and stirring the raw materials, the hot mixer 1 is provided with a second discharge port, the cold mixer 2 is provided with a second feed port, the second discharge port is communicated with the second feed port, and the first discharge port is arranged on the cold mixer 2.

During implementation, the hot mixer 1 is utilized, raw materials are heated through external heating and internal friction heat, the mixing speed and the mixing effect of the powder are accelerated, the mixed raw materials are cooled, stirred and radiated through the cold mixer 2, the mixed raw materials can be prevented from being coagulated into blocks, the coagulated powder is scattered, the dispersibility of the powder is kept, and the powder enters the screening mechanism 3 to be filtered and removed.

Example III

This embodiment is similar to the first or second embodiment except that, as shown in fig. 2, the hopper 4 is provided with a mixing mechanism 5 for mixing the powder in the hopper 4. In the implementation process, the powder passing through the sieving mechanism 3 comprises polyvinyl chloride, calcium carbonate, acrylic ester, a calcium-zinc stabilizer, titanium pigment, paraffin and the like, and is fully stirred and mixed by the mixing mechanism 5 to reach an extrusion production line in the natural falling process, so that the extruded wire tube can not have the perforation phenomenon of the tube wall due to uneven thickness and uneven brittleness of the formula.

As shown in fig. 2, the mixing mechanism 5 includes a driving motor 51 and a mixing screw 52, the driving motor 51 is mounted on the outer wall of the discharging hopper 4, the mixing screw 52 is rotatably mounted in the discharging hopper 4, and an output shaft of the driving motor 51 is connected with one end of the mixing screw 52. During implementation, after impurities are filtered by the material screening mechanism 3, powder naturally falls down in the discharging hopper 4, and the driving motor 51 drives the mixing screw 52 to rotate, so that the powder is stirred, and uniform mixing of the powder is completed in real time.

As shown in fig. 2, the central axis of the mixing screw 52 is parallel to the horizontal plane. During implementation, the powder filtered by the sieving mechanism 3 naturally falls under the action of gravity, the mixing screw 52 is horizontally arranged, the rotation axis of the mixing screw 52 is vertical to the falling direction of the powder, and the powder can be pushed when the mixing screw 52 rotates, so that the powder can be fully and uniformly transported, and the powder is uniformly mixed.

As shown in fig. 2, the mixing screw 52 is provided with a thread, and the pitch of the thread gradually increases from an end near the driving motor 51 to an end distant from the driving motor 51. In practice, the powder is more uniformly mixed by the change of the screw pitch on the mixing screw 52.

As shown in fig. 1 to 3, the discharging hopper 4 comprises a feeding barrel 41 and a discharging nozzle 42 connected to the bottom of the feeding barrel 41, the mixing mechanism 5 is arranged on the feeding barrel 41, and the first discharging port is positioned at the bottom of the discharging nozzle 42. In practice, the powder in the feeding barrel 41 is stirred and mixed by the mixing mechanism 5, and then the powder is gathered on the extrusion production line through the discharging nozzle 42 for injection molding production.

As shown in fig. 1 to 3, the tap 42 is tapered, and the inner diameter of the tap 42 gradually decreases from one end near the inlet basket 41 to the other end far from the inlet basket 41. In practice, the conical discharging nozzle 42 can be convenient for converging the uniformly mixed powder and discharging the powder from the first discharging hole, so as to further realize the mixing of the powder.

In this embodiment, the raw materials are heated up through the hot mixer 1, the mixing speed and the mixing effect of the powder are accelerated, the cold mixer 2 is used for cooling, stirring and heat dissipation, the mixed raw materials can be prevented from being coagulated into blocks, the agglomerated powder is scattered, the dispersibility of the powder is kept, the impurity is removed through the sieving mechanism 3, the powder naturally falls into the blanking hopper 4, the mixing screw 52 is driven to rotate by the driving motor 51, the powder in the feeding barrel 41 is stirred, the uniform mixing of the powder is completed in real time, the mixed powder is further uniformly mixed through the conical discharging nozzle 42 and then enters the first feeding hole at the top of the extruder 6 from the first discharging hole, the extrusion production line pipe is extruded through the extruder 6, the extrusion production line pipe is cooled and shaped through the shaping mechanism 7, the extrusion line pipe is advanced under the traction effect of the traction mechanism, the line pipe with the preset length is cut through the cutting mechanism, and the production of the line pipe is completed.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (8)

1. The utility model provides a spool apparatus for producing, includes compounding system, blanking hopper (4) and extrusion line, compounding system is equipped with first discharge gate, extrusion line is equipped with first feed inlet, blanking hopper (4) are located the below of first discharge gate, just the bottom of blanking hopper (4) with first feed inlet intercommunication; the automatic powder feeding device is characterized by further comprising a screening mechanism (3) for filtering powder, wherein the screening mechanism (3) is positioned between the first discharge hole and the discharging hopper (4); the discharging hopper (4) is provided with a mixing mechanism (5) for mixing powder in the discharging hopper (4); the mixing mechanism (5) comprises a driving motor (51) and a mixing screw (52), the driving motor (51) is arranged on the outer wall of the discharging hopper (4), the mixing screw (52) is rotatably arranged in the discharging hopper (4), and an output shaft of the driving motor (51) is connected with one end of the mixing screw (52).

2. A conduit production device according to claim 1, wherein the screening means (3) is a vibrating screen.

3. The line pipe production device according to claim 1, characterized in that the central axis of the mixing screw (52) is parallel to the horizontal plane.

4. A line pipe production device according to claim 1, characterized in that the mixing screw (52) is provided with a thread, and that the pitch of the thread increases gradually from the end close to the drive motor (51) to the end remote from the drive motor (51).

5. Spool production device according to claim 1, characterized in that the blanking hopper (4) comprises a charging basket (41) and a discharging nozzle (42) connected to the bottom of the charging basket (41), the mixing mechanism (5) is arranged in the charging basket (41), and the first discharging port is positioned at the bottom of the discharging nozzle (42).

6. The line pipe production device according to claim 5, characterized in that the discharge spout (42) is tapered, and the inner diameter of the discharge spout (42) gradually decreases from one end close to the inlet barrel (41) to the other end far from the inlet barrel (41).

7. The line pipe production device according to claim 1, characterized in that the mixing system comprises a hot mixer (1) for heating and mixing raw materials and a cold mixer (2) for cooling and stirring raw materials, the hot mixer (1) is provided with a second discharge port, the cold mixer (2) is provided with a second feed port, the second discharge port is communicated with the second feed port, and the first discharge port is arranged on the cold mixer (2).

8. The line pipe production device according to any one of claims 1 to 7, characterized in that the extrusion line comprises an extruder (6), a shaping mechanism (7), a traction mechanism and a cutting mechanism connected in sequence, the first feed opening being provided at the top of the extruder (6).