Temperature-controllable PVC (polyvinyl chloride) injection molding machine

Abstract

The utility model discloses a controllable temperature type PVC (polyvinyl chloride) injection molding machine, which relates to the field of injection molding machine devices and comprises a first base, an extrusion molding device is mounted on the upper surface of the first base, a screw machine barrel is mounted on the front surface of the extrusion molding device, a heating component is mounted on the outer surface of the screw machine barrel, a hopper barrel body is mounted on the screw machine barrel, and the hopper barrel body is mounted on the lower surface of the screw machine barrel. A thread is arranged on the outer surface of the upper end of the hopper barrel body, a hopper upper cover is spirally arranged on the upper surface of the hopper barrel body, a thread is arranged in the hopper upper cover, a sealing piece is arranged in the center of the hopper upper cover, and a rotating shaft is rotationally arranged in the sealing piece. According to the feeding device, the situation of material blocking during feeding of equipment can be avoided, discharging can be controlled, waste caused by melting excessive raw materials at a time is avoided, and the functions of raw material dust removal and charging barrel cleaning can be achieved through the functional part.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine device field, especially in controllable temperature formula PVC injection molding machine. BACKGROUND

[0002] Injection molding machine, also known as injection molding machine or injection molding machine, it is the main molding equipment for making various shapes of plastic products by thermoplastic or thermosetting plastic using plastic molding mold, divided into vertical, horizontal, all-electric, injection molding machine can heat plastic, melt plastic, high pressure is applied to it, so that it fills the mold cavity, the raw materials used include polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC) and so on, among them, PVC has good processing performance and chemical resistance, commonly used in wire and cable, pipeline and building materials.

[0003] At present, PVC raw materials usually need to be dried before processing to avoid quality problems caused by moisture, so the staff needs to process the raw materials before processing and send them into the injection molding machine for processing, but in the processing process, affected by the external environment, dust will enter the injection molding machine through the feeding port, which will affect the production quality of high-quality parts, and a large amount of raw materials will cause the discharge port to be blocked, so that the heating assembly has to increase the temperature to accelerate melting to ensure the smoothness of the barrel inside, which is not conducive to the temperature control of the equipment, and will cause waste of raw materials.

[0004] Therefore, it is necessary to propose a controllable temperature PVC injection molding machine to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a controllable temperature PVC injection molding machine to solve the dust through the feeding port into the injection molding machine in the background art mentioned above, for the high-quality parts of quality requirements will affect the production quality and a large amount of raw material accumulation will cause the discharge port to be blocked and not conducive to the temperature control of the equipment.

[0006] To achieve the above object, the utility model provides the following technical scheme: controllable temperature PVC injection molding machine, including a base, the base upper surface is installed with extrusion device, the extrusion device front surface is installed with screw machine cylinder, the screw machine cylinder outer surface is installed with heating assembly, the screw machine cylinder is installed with hopper barrel body;

[0007] The screw thread is arranged on the outer surface of the upper end of the hopper barrel body, the hopper upper cover is spirally installed on the upper surface of the hopper barrel body, the screw thread is arranged in the hopper upper cover, the sealing element is installed at the center position of the hopper upper cover, the rotating shaft is rotatably installed in the sealing element, and the rotating shaft penetrates the hopper upper cover.

[0008] The function part is provided on the hopper barrel body, a clamping strip is arranged on the function part, a sliding cover is slidably arranged on the front surface of the function part, a punching plate is arranged on the rear surface of the function part and located in the interior of the hopper barrel body, and a dust collecting groove is formed in the interior of the hopper barrel body;

[0009] The top end of the rotating shaft is provided with a motor, and the output end of the motor is in transmission connection with the rotating shaft.

[0010] The middle section of the rotating shaft is provided with a guide plate, the guide plate has three groups, each group has two guide plates and is arranged in axial symmetry, a limiting piece is arranged below the guide plate, a material blocking plate is arranged on the limiting piece, a material leakage hole is formed in the material blocking plate, and a clamping groove is formed in the lower surface of the material blocking plate.

[0011] The lower end of the rotating shaft is fixedly provided with a spiral discharging piece.

[0012] The lower surface of the hopper barrel body is provided with a discharging cone.

[0013] Preferably, the front surface of the first base is provided with a second base, and the upper surface of the second base is provided with a hydraulic device.

[0014] Preferably, the rear surface of the hydraulic device is provided with a mold, the rear surface of the mold is provided with a top plate, and the top plate is provided with an injection hole.

[0015] Preferably, the side surface of the first base is provided with a control switch.

[0016] Preferably, the lower surfaces of the first base and the second base are fixedly provided with supporting legs.

[0017] Preferably, the second base is provided with a sliding groove, a protective cover is slidably arranged in the sliding groove, a handle is arranged on the side surface of the protective cover, and an observation window is formed in the side surface of the protective cover.

[0018] The technical effects and advantages of the utility model are as follows:

[0019] 1. The function part and the hopper upper cover arranged in the utility model can not only prevent external dust from entering, but also can shake off the dust adhered to the raw materials through the rotation of the guide plate and then discharge the dust through the function part. In addition, the dust collecting groove can collect the scattered dust during the movement of the raw materials, so that the dust inside and outside is simultaneously removed, the cleanliness of the raw materials is ensured, and the production quality is improved.

[0020] 2. The material blocking plate and the material leakage hole arranged in the utility model can send the raw materials into the screw machine cylinder in batches for heating, so that the material blocking plate and the material leakage hole arranged in the utility model can avoid the blockage of the discharging port caused by excessive raw materials in one-time heating, and at the same time, the batch feeding into the screw machine cylinder can make the heating assembly better control the temperature and avoid the waste of raw materials. DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the temperature-controllable PVC injection molding machine of the utility model,

[0022] Figure 2 It is hopper barrel body schematic diagram of the temperature-controllable PVC injection molding machine of the utility model,

[0023] Figure 3 It is hopper barrel body split diagram of the temperature-controllable PVC injection molding machine of the utility model,

[0024] Figure 4 It is rotating shaft schematic diagram of the temperature-controllable PVC injection molding machine of the utility model,

[0025] Figure 5 It is hopper barrel body planing cut diagram of the temperature-controllable PVC injection molding machine of the utility model,

[0026] In the drawing: 1, the first base; 2, extrusion device; 3, hopper barrel body; 4, heating assembly; 5, screw barrel; 6, injection hole; 7, top plate; 8, protective cover; 9, handle; 10, hydraulic device; 11, second base; 12, support leg; 13, mold; 14, control switch; 15, sliding slot; 16, motor; 17, rotating shaft; 18, sealing element; 19, hopper upper cover; 20, sliding cover; 21, functional piece; 22, discharge cone; 23, guide plate; 24, material blocking plate; 25, material leakage opening; 26, clamping groove; 27, limiting piece; 28, spiral discharge element; 29, punching plate; 30, dust collection groove. DETAILED DESCRIPTION

[0027] The utility model provides a temperature-controllable PVC injection molding machine as Figures 1-5 The utility model discloses a temperature-controllable PVC injection molding machine, which comprises a first base 1, an extrusion device 2 is installed on the upper surface of the first base 1, a screw barrel 5 is installed on the front surface of the extrusion device 2, a screw is installed in the screw barrel 5 and is used for pushing the melted raw material, four heating assemblies 4 are installed on the outer surface of the screw barrel 5 and are evenly distributed on the screw barrel 5, and a hopper barrel body 3 is installed on the screw barrel 5.

[0028] A thread is arranged on the outer surface of the upper end of the hopper barrel body 3, a hopper upper cover 19 is spirally installed on the upper surface of the hopper barrel body 3, a thread is arranged in the hopper upper cover 19, a sealing element 18 is installed at the center position of the hopper upper cover 19, a rotating shaft 17 is rotatably installed in the sealing element 18, and the rotating shaft 17 penetrates through the hopper upper cover 19.

[0029] The hopper barrel body 3 is provided with a functional part 21, the functional part 21 is a rectangular interface, the functional part 21 is provided with a clamping strip, a sliding cover 20 is slidably installed on the front surface of the functional part 21, the sliding cover 20 is slidably connected with the functional part 21 through the clamping strip, a punching plate 29 is installed on the rear surface of the functional part 21 and located inside the hopper barrel body 3, the punching plate 29 functions to filter dust and prevent raw materials from being sucked out, and a dust collecting groove 30 is formed in the hopper barrel body 3;

[0030] The top end of the rotating shaft 17 is provided with a motor 16, and the output end of the motor 16 is in transmission connection with the rotating shaft 17;

[0031] The middle section of the rotating shaft 17 is provided with a guide plate 23, the guide plate 23 has three groups, each group has two, and the guide plates 23 are distributed in axial symmetry, a limiting part 27 is arranged below the guide plate 23, a blocking plate 24 is clamped and installed on the limiting part 27, a material leakage hole 25 is formed in the blocking plate 24, a clamping groove 26 is formed in the lower surface of the blocking plate 24, and the blocking plate 24 is arranged in the hopper barrel body 3 in cooperation with the limiting part 27;

[0032] The lower end of the rotating shaft 17 is fixedly provided with a spiral discharging part 28, and the spiral discharging part 28 can effectively increase the falling time of the raw materials to ensure the temperature control of the heating assembly 4;

[0033] The lower surface of the hopper barrel body 3 is provided with a discharging cone 22.

[0034] Further, the front surface of the first base 1 is provided with a second base 11, and the upper surface of the second base 11 is provided with a hydraulic device 10.

[0035] Further, the rear surface of the hydraulic device 10 is provided with a mold 13, the rear surface of the mold 13 is provided with a top plate 7, and the top plate 7 is provided with an injection hole 6.

[0036] Further, the side surface of the first base 1 is provided with a control switch 14.

[0037] Further, the lower surfaces of the first base 1 and the second base 11 are fixedly provided with supporting legs 12.

[0038] Further, the second base 11 is provided with a sliding groove 15, and a protective cover 8 is slidably installed in the sliding groove 15, a handle 9 is installed on one side surface of the protective cover 8, and an observation window is formed in one side surface of the protective cover 8.

[0039] It should be noted that the utility model is a temperature-controllable PVC injection molding machine, when in use, the staff needs to open the hopper upper cover 19 first, then put the raw materials into the hopper, and then close the hopper upper cover 19, finally, the dust collector is connected to the functional part 21 by removing the sliding cover 20, and the motor 16 is started;

[0040] In the device running, motor 16 will drive the rotating shaft 17 rotation, rotating shaft 17 middle section installation guide plate 23 will drive the raw material, in the process of movement, through dust collector will dust from the punching plate 29 suction, and the hopper barrel 3 inside is provided with dust collection groove 30, will some smaller dust directly collected into dust collection groove 30, further improve the dust removal effect, after dust removal raw material will fall into the blocking plate 24, through the leakage of the blocking plate 24 25 batch into the discharge cone 22, under the rotation of the screw discharge piece 28, the raw material slowly into the screw barrel 5, again through the heating assembly 4 heating, make raw material complete from solid to liquid change, finally through the injection hole 6 into the mold 13, so, external barrier dust plus internal dynamic dust removal, ensure the cleanliness of raw materials, improve production quality, at the same time, batch feeding raw material into the screw barrel 5 heating, can avoid too much raw material, resulting in discharge port blockage, also can make heating assembly 4 better control temperature also avoid cause raw material waste.

Claims

1. A temperature-controllable PVC injection molding machine comprising a base (1), characterized in that: The upper surface of the first base (1) is provided with an extrusion device (2), the front surface of the extrusion device (2) is provided with a screw barrel (5), the outer surface of the screw barrel (5) is provided with a heating assembly (4), and the screw barrel (5) is provided with a hopper barrel (3); The upper surface of the hopper barrel (3) is provided with a thread, the upper surface of the hopper barrel (3) is provided with a hopper upper cover (19), the inside of the hopper upper cover (19) is provided with a thread, the center of the hopper upper cover (19) is provided with a sealing element (18), the inside of the sealing element (18) is rotatably provided with a rotating shaft (17), and the rotating shaft (17) penetrates the hopper upper cover (19); The hopper barrel (3) is provided with a functional element (21), the functional element (21) is provided with a clamping strip, the front surface of the functional element (21) is provided with a sliding cover (20), and the rear surface of the functional element (21) is provided with a punching plate (29) inside the hopper barrel (3). The top end of the rotating shaft (17) is provided with a motor (16), and the output end of the motor (16) is in transmission connection with the rotating shaft (17); The middle section of the rotating shaft (17) is provided with a guide plate (23), the guide plate (23) has three groups, each group has two, and the guide plates (23) are distributed in axial symmetry, the lower side of the guide plate (23) is provided with a limiting element (27), the limiting element (27) is provided with a blocking plate (24), the blocking plate (24) is provided with a leakage hole (25), and the lower surface of the blocking plate (24) is provided with a clamping groove (26); The lower end of the rotating shaft (17) is fixedly provided with a spiral discharging element (28). The lower surface of the hopper barrel (3) is provided with a discharging cone (22).

2. The temperature-controlled PVC injection molding machine of claim 1, wherein: The front surface of the first base (1) is provided with a second base (11), and the upper surface of the second base (11) is provided with a hydraulic device (10).

3. The temperature-controlled PVC injection molding machine of claim 2, wherein: The rear surface of the hydraulic device (10) is provided with a mold (13), the rear surface of the mold (13) is provided with a top plate (7), and the top plate (7) is provided with an injection hole (6).

4. The temperature-controlled PVC injection molding machine of claim 3, wherein: The side surface of the first base (1) is provided with a control switch (14).

5. The temperature-controlled PVC injection molding machine of claim 4, wherein: The lower surfaces of the first base (1) and the second base (11) are both fixedly provided with supporting legs (12).

6. The temperature-controlled PVC injection molding machine of claim 5, wherein: The second base (11) is provided with a sliding groove (15), the sliding groove (15) is provided with a protective cover (8), the side surface of the protective cover (8) is provided with a handle (9), and the side surface of the protective cover (8) is provided with an observation window.

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