PVC (polyvinyl chloride) pipe forming extruder

Abstract

The utility model discloses a PVC pipe molding extruder, including mixing box, stirring mechanism and extruding mechanism, stirring mechanism is provided inside mixing box, extruding mechanism is provided below mixing box, stirring mechanism includes rotating motor and rotating shaft, rotating motor is fixed on the top surface of mixing box, and the rotating shaft is fixed on the top surface of mixing box. The bottom end of the rotating shaft is fixedly mounted on the inner bottom surface of the mixing box through a bearing seat, a plurality of groups of rotating frames are arranged on the side wall of the rotating shaft by taking the side wall of the rotating shaft as the axis, the other three side walls of the rotating frames are fixedly mounted on the inner walls of the scraping strips, and two groups of fixing plates are uniformly arranged in the rotating frames; a plurality of stirring frames are arranged between the two groups of fixing plates and between the fixing plates and the rotating frame. According to the utility model, the rotating motor is started to drive the rotating shaft to rotate, so that raw materials on the inner wall of the mixing box are scraped by the scraping strip and then are discharged through the discharge port, and the raw materials on the inner wall of the mixing box are timely cleaned by the scraping strip after extrusion is finished, so that the cleanliness of the internal environment of the mixing box is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing equipment, in particular to a PVC pipe forming and extruding machine. Background Technique

[0002] The main component of PVC is polyvinyl chloride. PVC pipe is a rigid polyvinyl chloride pipe, which is extruded by hot pressing after being mixed with polyvinyl chloride resin, stabilizer, lubricant, etc. It is the earliest plastic pipe to be developed and applied, and the forming of PVC pipe is inseparable from the extruder.

[0003] However, when the existing device needs to add additives during operation, the operator directly puts the additives into the storage tank from the feed inlet, and the additives cannot be fully mixed with the internal raw materials. After the raw materials are extruded, there are still raw materials remaining on the inner wall of the storage tank. If not cleaned for a long time, the raw materials will dry out, which will affect the purity of the subsequent raw materials and the normal use in the future. Therefore, a PVC pipe forming and extruding machine is needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a PVC pipe forming and extruding machine. By arranging a rotatable rotating shaft inside the mixing tank, the rotating shaft is driven to rotate by a rotating motor, and then the rotating frame on the side wall of the rotating shaft drives the scraping strip to scrape the raw materials on the inner wall of the mixing tank. A plurality of stirring frames installed inside the rotating frame stir the raw materials inside the mixing tank, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A PVC pipe forming and extruding machine includes a mixing tank, a stirring mechanism and an extrusion mechanism. The stirring mechanism is arranged inside the mixing tank, and the extrusion mechanism is arranged below the mixing tank. The stirring mechanism includes a rotating motor and a rotating shaft. The rotating motor is fixedly installed on the top surface of the mixing tank, and the bottom end of the rotating shaft is fixedly installed on the inner bottom surface of the mixing tank through a bearing seat. Multiple groups of rotating frames are arranged on the side wall of the rotating shaft with the side wall of the rotating shaft as the axis. The other three side walls of the rotating frame are fixedly installed with the inner wall of the scraping strip. Two groups of fixing plates are evenly arranged inside the rotating frame, and a plurality of stirring frames are arranged between the two groups of fixing plates and between the fixing plates and the rotating frame.

[0007] Preferably, the ends of the three side walls of the scraping strip are slidably connected to the inner top surface, bottom surface and side wall of the mixing tank.

[0008] Preferably, the side wall of the stirring frame is provided with a rotatable stirring rod.

[0009] Preferably, a feed hopper is provided on the top surface of the mixing tank and located on the side wall of the rotating motor. A plurality of legs are provided on the bottom surface of the mixing tank. An outlet is also provided on the bottom surface of the mixing tank. A feeding pipe is provided on the bottom surface of the mixing tank outside the outlet, and the feeding pipe is fixedly installed with the extrusion mechanism.

[0010] Preferably, the extrusion mechanism includes a heating and melting pipe, an extrusion motor, and a propeller. The extrusion motor is fixedly installed on the side wall of the heating and melting pipe. One end of the propeller penetrates the side wall of the heating and melting pipe and is key-connected to the output shaft of the extrusion motor. The end of the feeding pipe penetrates the side wall of the heating and melting pipe and is located above the inside of the heating and melting pipe.

[0011] Preferably, a mounting bracket is provided on the side wall of the heating and melting pipe, and the mounting bracket is fixedly installed on the bottom surface of the mixing tank. A valve is provided on the side wall of the feeding pipe.

[0012] Preferably, the extrusion head end of the heating and melting pipe penetrates the side wall of the cooling tank and is located inside the cooling tank. A cooler is provided on the top of the cooling tank. An outlet hole is provided at one end of the cooling tank away from the heating and melting pipe.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] (1) In the present utility model, a rotatable rotating shaft is provided inside the mixing tank, and a rotating frame is provided on the outer side wall of the rotating shaft. Scraping bars are provided on the side wall of the rotating frame. By starting the rotating motor to drive the rotating shaft to rotate, the end of the scraping bar is slidably connected to the top surface, bottom surface, and side wall inside the mixing tank, scraping the raw materials on the inner wall of the mixing tank, and then discharging through the outlet. After extrusion, the raw materials on the inner wall of the mixing tank are promptly cleaned by the scraping bar to ensure the cleanliness of the internal environment of the mixing tank;

[0015] (2) At the same time, fixing plates are symmetrically arranged inside the rotating frame with the midpoint of the inner wall of the rotating frame as the center. By driving the stirring frame to rotate through the rotating frame, the stirring rods of the stirring frame itself rotate to fully stir the raw materials inside the mixing tank, increasing the fusion efficiency of the raw materials and additives. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the internal structure of the mixing tank of the present utility model;

[0018] Figure 3 is a schematic diagram of the position structure of the stirring mechanism of the present utility model;

[0019] Figure 4Schematic diagram of the position structure of the stirring frame of the present utility model;

[0020] Figure 5 Schematic diagram of the internal structure of the heating and melting tube of the present utility model.

[0021] In the figure: 1, mixing tank; 2, support leg; 3, feed hopper; 4, rotating motor; 5, rotating shaft; 6, rotating frame; 7, scraping bar; 8, fixing plate; 9, stirring frame; 10, discharge port; 11, mounting frame; 12, heating and melting tube; 13, extrusion motor; 14, blanking pipe; 15, propeller; 16, cooling tank; 17, cooler; 18, discharge hole. Specific embodiments

[0022] 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 of 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.

[0023] Please refer to Figures 1 to 5 , the present utility model provides a technical solution:

[0024] A PVC pipe forming and extruding machine includes a mixing tank 1, a stirring mechanism and an extrusion mechanism. The stirring mechanism is arranged inside the mixing tank 1, and the extrusion mechanism is arranged below the mixing tank 1. The stirring mechanism includes a rotating motor 4 and a rotating shaft 5. The rotating motor 4 is fixedly installed on the top surface of the mixing tank 1, and the bottom end of the rotating shaft 5 is fixedly installed on the inner bottom surface of the mixing tank 1 through a bearing seat. A plurality of rotating frames 6 are arranged on the side wall of the rotating shaft 5 with the side wall of the rotating shaft 5 as the axis. The other three side walls of the rotating frame 6 are fixedly installed with the inner wall of the scraping bar 7. Two groups of fixing plates 8 are evenly arranged inside the rotating frame 6. A number of stirring frames 9 are arranged between the two groups of fixing plates 8 and between the fixing plate 8 and the rotating frame 6.

[0025] By arranging the rotating motor 4 on the top surface of the mixing tank 1, and key-connecting the output shaft of the rotating motor 4 to the top end of the rotating shaft 5, multiple rotating frames 6 are arranged on the side wall of the rotating shaft 5 with the axis as the center, and the other three side walls of the rotating frame 6 are fixedly installed with the inner wall of the scraping bar 7, so that the end of the scraping bar 7 is slidably connected to the top surface, bottom surface and side wall inside the mixing tank 1 to scrape the residual raw materials on the inner wall of the mixing tank 1. After the extrusion of materials is completed, the raw materials inside the mixing tank 1 are scraped and cleaned by the scraping bar 7 to improve the internal environment of the mixing tank 1. At the same time, fixing plates 8 are symmetrically arranged with the center of the mixing tank 1 as the center on the inner wall of the rotating frame 6, and a number of stirring frames 9 are respectively arranged between the side walls of the two fixing plates 8 and between the side walls of the fixing plates 8 and the side walls of the rotating frame 6, so that while the rotating frame 6 drives the rotation, the raw materials inside the mixing tank 1 are stirred by the stirring frames 9.

[0026] The three side wall ends of the scraping bar 7 are all slidably connected to the top surface, bottom surface and side wall inside the mixing tank 1, so that the scraping bar 7 can scrape the residual raw materials on the top surface, bottom surface and side wall inside the mixing tank 1 driven by the rotating frame 6 on the rotating shaft 5, and discharge them through the discharge port 10 on the bottom surface of the mixing tank 1, so as to ensure the cleanliness of the internal environment of the mixing tank 1 and prevent the raw materials inside the mixing tank 1 from hardening and affecting the subsequent use of the mixing tank 1.

[0027] The side wall of the stirring frame 9 is set as a rotatable stirring rod. By setting the side wall of the stirring frame 9 as a rotatable stirring rod, it is convenient for the stirring frame 9 to rotate driven by the rotating frame 6, and then the rotatable stirring rod on the side wall of the stirring frame 9 fully stirs the raw materials inside the mixing tank 1 to ensure the mixing effect of the pipe raw materials and additives.

[0028] A feed hopper 3 is arranged on the side wall of the rotating motor 4 on the top surface of the mixing tank 1, a plurality of legs 2 are arranged on the bottom surface of the mixing tank 1, a discharge port 10 is also arranged on the bottom surface of the mixing tank 1, and a blanking pipe 14 is arranged on the outside of the discharge port 10 on the bottom surface of the mixing tank 1, and the blanking pipe 14 is fixedly installed with the extrusion mechanism.

[0029] By arranging a feed hopper 3 on one side of the rotating motor 4 on the top surface of the mixing tank 1, it is convenient to fill the inside of the mixing tank 1. At the same time, a discharge port 10 is opened on the bottom surface of the mixing tank 1, and a blanking pipe 14 is arranged on the outside of the discharge port 10 on the bottom surface of the mixing tank 1, and the blanking pipe 14 is fixedly installed with the extrusion mechanism, so that the raw materials inside the mixing tank 1 can enter the extrusion mechanism through the blanking pipe 14 and be extruded by the extrusion mechanism.

[0030] The material extrusion mechanism includes a heating and melting tube 12, an extrusion motor 13 and a propeller 15. The extrusion motor 13 is fixedly installed on the side wall of the heating and melting tube 12. One end of the propeller 15 penetrates through the side wall of the heating and melting tube 12 and is key-connected to the output shaft of the extrusion motor 13. The end of the feeding tube 14 penetrates through the side wall of the heating and melting tube 12 and is located above the inside of the heating and melting tube 12.

[0031] By arranging the extrusion motor 13 on the side wall of the heating and melting tube 12, and one end of the propeller 15 being key-connected to the output shaft of the extrusion motor 13, the extrusion motor 13 drives the propeller 15 to rotate, so that the propeller 15 rotates to extrude the blended slurry inside the heating and melting tube 12 through the extrusion head of the heating and melting tube 12.

[0032] The side wall of the heating and melting tube 12 is provided with a mounting bracket 11, and the mounting bracket 11 is fixedly installed on the bottom surface of the mixing tank 1. The side wall of the feeding tube 14 is provided with a valve. By arranging a mounting bracket 11 outside the heating and melting tube 12, and the mounting bracket 11 being fixedly installed on the bottom surface of the mixing tank 1, the heating and melting tube 12 is fixed by arranging the mounting bracket 11, and by arranging a valve on the side wall of the feeding tube 14, it is convenient to discharge the raw materials inside the mixing tank 1 by opening and closing the valve.

[0033] The end of the extrusion head of the heating and melting tube 12 penetrates through the side wall of the cooling tank 16 and is located inside the cooling tank 16. A cooler 17 is arranged on the top of the cooling tank 16. An outlet hole 18 is opened at one end of the cooling tank 16 away from the heating and melting tube 12.

[0034] By arranging the end of the extrusion head of the heating and melting tube 12 to penetrate through the side wall of the cooling tank 16 and be located inside the cooling tank 16, and an outlet hole 18 is opened at one end of the cooling tank 16 away from the heating and melting tube 12, and a cooler 17 is arranged on the top surface of the cooling tank 16, it is convenient to cool the extruded pipe through the cooler 17 for the pipe extruded by the extrusion head of the heating and melting tube 12, and then discharge it through the outlet hole 18.

[0035] When in use by workers, raw materials are added into the mixing tank 1 through the feeding hopper 3. The rotating frame 6 on the side wall of the rotating shaft 5 is driven to rotate by starting the rotating motor 4. After stirring for a fixed time, additives are added to the raw materials stirred in the mixing tank 1 through the feeding hopper 3. Then, the raw materials and additives are fully blended by several stirring frames 9 inside the rotating frame 6 on the side wall of the rotating shaft 5. After blending is completed, by opening the valve on the side wall of the feeding tube 14, the raw materials inside the mixing tank 1 enter the heating and melting tube 12 through the feeding tube 14. The extrusion motor 13 is started, so that the propeller 15 rotates inside the heating and melting tube 12, and the pipe raw materials inside the heating and melting tube 12 are extruded through the extrusion head of the heating and melting tube 12, cooled by the cooler 17 above the cooling tank 16, and discharged through the outlet hole 18 on the side wall of the cooling tank 16;

[0036] After extrusion is completed, start the rotating motor 4 to drive the rotating shaft 5 to rotate, so that the rotating frame 6 on the side wall of the rotating shaft 5 drives the end of the scraping strip 7 on the side wall to scrape the raw materials remaining on the top surface, bottom surface and side wall inside the mixing box 1, and enter the inside of the heating and melting pipe 12 through the discharge port 10 and the feeding pipe 14, so as to make full use of the raw materials and ensure the raw material fusion environment inside the mixing box 1.

[0037] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A PVC pipe forming extruder, comprising a mixing box, a stirring mechanism and an extruding mechanism, characterized in that: The stirring mechanism is arranged inside the mixing box, the extruding mechanism is arranged below the mixing box, the stirring mechanism includes a rotating motor and a rotating shaft, the rotating motor is fixedly installed on the top surface of the mixing box, the bottom end of the rotating shaft is fixedly installed on the inner bottom surface of the mixing box through a bearing seat, the side wall of the rotating shaft is provided with multiple groups of rotating frames with the side wall of the rotating shaft as the axis, the other three side walls of the rotating frame are fixedly installed with the inner wall of the scraper, two groups of fixed plates are evenly arranged inside the rotating frame, and a number of stirring frames are arranged between the two groups of fixed plates and between the fixed plate and the rotating frame.

2. A PVC pipe forming extruder according to claim 1, characterized in that: The three side wall ends of the scraper strip are all slidably connected with the inner top surface, bottom surface and side wall of the mixing box.

3. A PVC pipe forming extruder according to claim 2, characterized in that: The side wall of the stirring frame is configured as a rotatable stirring rod.

4. A PVC pipe forming extruder according to claim 3, characterized in that: The top surface of the mixing box is located on the side wall of the rotating motor and is provided with a feed hopper, the bottom surface of the mixing box is provided with a plurality of legs, the bottom surface of the mixing box is also provided with a discharge port, and a feed discharge pipe is provided outside the discharge port and located on the bottom surface of the mixing box, and the feed discharge pipe is fixedly installed with the extrusion mechanism.

5. A PVC pipe forming extruder according to claim 4, characterized in that: The extrusion mechanism includes a heating and melting tube, an extrusion motor and a propeller. The extrusion motor is fixedly installed on the side wall of the heating and melting tube. One end of the propeller penetrates the side wall of the heating and melting tube and is keyed to the output shaft of the extrusion motor. The end of the feed tube penetrates the side wall of the heating and melting tube and is located above the interior of the heating and melting tube.

6. A PVC pipe forming extruder according to claim 5, characterized in that: The side wall of the heating and melting pipe is provided with a mounting frame, the mounting frame is fixedly installed with the bottom surface of the mixing box, and the side wall of the feeding pipe is provided with a valve.

7. A PVC pipe forming extruder according to claim 6, characterized in that: The extrusion head end of the heating and melting tube passes through the side wall of the cooling box and is located inside the cooling box. A cooler is arranged on the top of the cooling box. A discharge hole is opened at one end of the cooling box away from the heating and melting tube.

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