Injection molding machine with uniform feeding function

Abstract

The utility model discloses an injection molding machine capable of feeding uniformly, which belongs to the technical field of injection molding equipment, and comprises an injection molding machine body and a drying component, and a material processing box is arranged on the injection molding machine body. Therefore, large material blocks in material particles can be effectively screened, it is ensured that the material particles can be evenly heated and fully melted, extrusion molding discharging is facilitated, and the melting and plasticizing efficiency of the materials is improved; the fan is used for generating airflow, the heating pipe works to generate heat, and the generated high-temperature airflow is sprayed out through the two rows of exhaust nozzles to blow and dry screened material particles, so that the material particles can be quickly dried, bubbles are prevented from being formed in products after materials absorbing water are heated at high temperature, and the product quality is improved. And the product quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding equipment technical field, concretely is a uniform feeding's injection molding machine. BACKGROUND

[0002] Injection molding machine, also known as injection molding machine or injection machine, is called beer machine by many factories, and injection molding product is called beer piece, it is the main molding equipment of thermoplastic or thermosetting plastic into various shapes of plastic products, it is by the thrust of screw (or plunger), the plastic in molten state (i.e. viscous flow state) is injected into the closed mold cavity, and the product is obtained after solidification and setting, mainly including quantitative feeding, melting plasticizing, pressure injection, mold filling cooling and mold opening and taking piece these steps.

[0003] However, in the process of adding material particles into the injection molding machine, when the material particles contain large material blocks, the existing injection molding machine is difficult to effectively screen the material particles, which can easily lead to uneven heating and melting of the material particles, affecting the effect of extrusion discharge, and when the material particles are injected into the injection molding machine, water is easily absorbed from the air, it is difficult to dry the moisture in the material particles in the prior art, the moisture absorbed by the material is released after the material is heated by high temperature and runs into the product in the mold cavity, which can easily cause air bubbles in the product, affecting the quality of the product. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of injection molding machines of uniform feeding, the structure design of screen filter, shaft, stepper motor and drying assembly, can effectively screen the large material blocks in material particles, can be quickly dried and handled to material particles, solve the problem that it is difficult to effectively screen material particles and difficult to dry and handle the moisture in material particles.

[0005] The utility model is implemented by the following technical solutions:

[0006] The utility model relates to an injection molding machine of uniform feeding, including injection molding machine body and drying assembly, be provided with material handling box on injection molding machine body, open the through -hole in material handling box, the number of through -hole is two, two through -holes all rotate and cooperate with the axle rod, one end of one axle rod passes through the through -hole, install the step motor on material handling box, the output of step motor is connected with one end of one axle rod, be connected with the screen filter screen between two axle rods, be provided with arc guide groove on screen filter screen, the number of arc guide groove is two, open the arc chute in material handling box, the number of arc chute is two, arc guide groove cooperates with arc chute, drying assembly includes discharge pipe, sealed box and connecting pipe, discharge pipe is equipped with two, be provided with exhaust nozzle on discharge pipe, the number of exhaust nozzle is a row, install in material handling box in discharge pipe, one end of discharge pipe penetrates the side board of material handling box, the both ends of connecting pipe are connected with one end of two discharge pipes respectively, install the fan on material handling box, the output of fan is connected in the top of sealed box, be provided with heating pipe in sealed box, install the gas guide pipe at the bottom of sealed box, one end of gas guide pipe is connected with connecting pipe.

[0007] Further, the top of the material handling box is provided with a top cover, and a feeding hopper is embedded in the top cover.

[0008] Further, the screen filter screen is a semicircular net frame, and the feeding hopper is located directly above the screen filter screen.

[0009] Further, the discharge pipe is provided with a fixed ring in interference fit, the number of the fixed ring is two, and one side of the fixed ring is connected with the inner wall of the material handling box.

[0010] Further, the output end of the fan is connected with an elbow pipe, the bottom end of the elbow pipe penetrates the top of the sealed box, and the elbow pipe and the inside of the sealed box are in communication with each other.

[0011] Further, the inside of the sealed box and the gas guide pipe are in communication with each other, and the inside of the gas guide pipe and the connecting pipe are in communication with each other.

[0012] The utility model has the following beneficial effects:

[0013] 1、 the utility model discloses a structure design of screen filter screen, axle rod and step motor, and the left and right uniform shaking of screen filter screen is driven by the output of step motor, and the material particles in screen filter screen are screened, thereby can effectively screen the larger material block in material particles, ensure that material particles can heat evenly and melt fully, facilitate extrusion discharge, improve the efficiency of material melting plasticization.

[0014] 2. The utility model discloses a drying assembly structure design, the airflow is generated through the fan, and the heating tube works and generates heat, makes the high temperature airflow that generates blows and dries material particle, can fast dry processing to material particle, effectively discharges the moisture in material particle, reaches the effect that material dries, avoids the material of absorbing moisture to form the air bubble in product after being subjected to high temperature heating, guarantees the quality of product.

[0015] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of injection molding machine.

[0017] Figure 2 It is the structural schematic diagram of injection molding machine top.

[0018] Figure 3 It is the internal mounting structure schematic diagram of material processing box.

[0019] Figure 4 It is the structural schematic diagram of sieve filter screen.

[0020] Figure 5 It is the structural schematic diagram of material processing box.

[0021] Figure 6 It is the structural schematic diagram of drying assembly.

[0022] Figure 7 It is the structural schematic diagram of heating part.

[0023] In the drawing: 1, injection molding machine body;2, material processing box;201, arc chute;3, sieve filter screen;

[0024] 301, arc guide groove;4, shaft;5, step motor;6, drying assembly;601, discharge pipe;

[0025] 6011, exhaust nozzle;602, fan;603, sealing box body;6031, heating tube;604, connecting pipe;605, gas guide pipe;7, top cover;701, feeding hopper. DETAILED DESCRIPTION

[0026] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figures 1-7 The utility model provides a kind of technical scheme: a uniform feeding injection molding machine, including injection molding machine body 1 and drying assembly 6, injection molding machine body 1 is horizontal injection molding machine, injection molding machine body 1 is provided with material handling box 2, material handling box 2 is embedded into the barrel top of injection molding machine body 1 by the converging bin of its bottom, material particles are uniformly injected into the barrel on the injection molding machine body 1, the top of material handling box 2 is provided with top cover 7, top cover 7 is embedded with feeding hopper 701, material particles can be conveniently injected into material handling box 2.

[0028] Tunnel is opened in material handling box 2, the number of tunnel is two, two tunnels are all rotationally cooperated with shaft 4, one end of one of shaft 4 passes through tunnel, material handling box 2 is installed with step motor 5, the output end of step motor 5 is connected with one end of one of shaft 4, screen filter 3 is connected between two shafts 4, screen filter 3 is semicircular net frame, can make that material particles are fully rolled in screen filter 3, conveniently screen filter material particles, feeding hopper 701 is located directly above screen filter 3, screen filter 3 is provided with arc guide slot 301, the number of arc guide slot 301 is two, arc slide groove 201 is opened in material handling box 2, the number of arc slide groove 201 is two, arc guide slot 301 is cooperated with arc slide groove 201.

[0029] In the process of using injection molding machine body 1 to produce plastic products, when material particles are added to injection molding machine body 1 to be heated and melted, first, material particles are poured into material handling box 2 through feeding hopper 701 on top cover 7, material particles enter material handling box 2 and fall into screen filter 3, at this time, start step motor 5, rotate one of shaft 4 by the output end of step motor 5, so that screen filter 3 generates rotational torque by the torque transmitted by shaft 4, and then rotate the other shaft 4 and the side plate of material handling box 2, so that screen filter 3 rotates between two shafts 4, then control step motor 5 to rotate a certain angle, so that material particles can be uniformly shaken in screen filter 3, screen filter material particles, larger material is left in screen filter 3, and uniformly sized material particles fall through screen filter 3 to the converging bin at the bottom of material handling box 2 and enter the barrel on injection molding machine body 1 uniformly through the converging bin to carry out subsequent heating and melting and extrusion molding process.

[0030] The drying assembly 6 comprises two discharge pipes 601, a sealing box 603 and a connecting pipe 604, the discharge pipes 601 are provided with exhaust nozzles 6011, the number of the exhaust nozzles 6011 is one row, the discharge pipes 601 are installed in the material processing box 2, the discharge pipes 601 are provided with fixed rings in interference fit, the number of the fixed rings is two, one side of the fixed rings is connected with the inner wall of the material processing box 2, the discharge pipes 601 can be conveniently installed in the material processing box 2, one end of the discharge pipes 601 penetrates through one side plate of the material processing box 2, the connecting pipe 604 is connected with one end of the two discharge pipes 601, the material processing box 2 is provided with a fan 602, the output end of the fan 602 penetrates through the top of the sealing box 603, the output end of the fan 602 is connected with an elbow pipe, the bottom end of the elbow pipe penetrates through the top of the sealing box 603, the elbow pipe and the inside of the sealing box 603 are in communication, the airflow generated by the fan 602 can be conveniently conveyed into the sealing box 603, the sealing box 603 is provided with a heating pipe 6031, the bottom of the sealing box 603 is provided with a gas guide pipe 605, one end of the gas guide pipe 605 is connected with the connecting pipe 604, the sealing box 603 and the gas guide pipe 605 are in communication, the gas guide pipe 605 and the connecting pipe 604 are in communication, and the airflow can flow conveniently.

[0031] In the process of screening the material particles in the material processing box 2 through the screen filter 3, when the uniform size particles fall through the filter holes on the screen filter 3 to the bottom of the material processing box 2, the fan 602 and the heating pipe 6031 in the sealing box 603 are started, the heating pipe 6031 generates heat when working, the airflow output by the output end of the fan 602 generates high-temperature airflow through the heating pipe 6031 in the sealing box 603, the high-temperature airflow is conveyed into the connecting pipe 604 through the gas guide pipe 605, and then is conveyed into the two discharge pipes 601 through the connecting pipe 604 and is sprayed out through the exhaust nozzles 6011 on the discharge pipes 601, the high-temperature airflow sprayed out through the two rows of exhaust nozzles 6011 blows and dries the material particles screened and fallen in the screen filter 3 in the material processing box 2, so that the material particles can be kept dry when entering the feeding cylinder of the injection molding machine body 1.

[0032] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation manners. Apparently, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A uniformly feeding injection molding machine, comprising an injection molding machine body (1), characterized in that: The injection molding machine body (1) is equipped with a material handling box (2); The material handling box (2) has two through holes, and each through hole is fitted with a shaft (4). One end of one of the shafts (4) passes through the through hole. A stepper motor (5) is installed on the material handling box (2). The output end of the stepper motor (5) is connected to one end of one of the shafts (4). A screen (3) is connected between the two shafts (4). An arc-shaped guide groove (301) is provided on the screen (3). There are two arc-shaped guide grooves (301). An arc-shaped sliding groove (201) is provided in the material handling box (2). There are two arc-shaped sliding grooves (201). The arc-shaped guide groove (301) and the arc-shaped sliding groove (201) are fitted together. It also includes a drying assembly (6), which includes a discharge pipe (601), a sealed housing (603), and a connecting pipe (604). Two discharge pipes (601) are provided, each equipped with an exhaust nozzle (6011) arranged in a row. The discharge pipes (601) are installed inside the material handling box (2), with one end of the discharge pipe (601) penetrating one side panel of the material handling box (2). The two ends of the connecting pipe (604) are respectively connected to one end of the two discharge pipes (601). A fan (602) is installed on the material handling box (2). The output end of the fan (602) is connected through to the top of the sealed box (603). A heating pipe (6031) is provided inside the sealed box (603). A gas guide pipe (605) is installed through the bottom of the sealed box (603). One end of the gas guide pipe (605) is connected to the connecting pipe (604).

2. The injection molding machine with uniform feeding according to claim 1, characterized in that, The material handling box (2) is provided with a top cover (7), and a feeding hopper (701) is embedded in the top cover (7).

3. The injection molding machine with uniform feeding according to claim 2, characterized in that, The screen (3) is a semi-circular frame, and the feeding hopper (701) is located directly above the screen (3).

4. An injection molding machine with uniform feeding according to any one of claims 1-3, characterized in that, The discharge pipe (601) is fitted with two fixing rings, one side of which is connected to the inner wall of the material handling box (2).

5. The injection molding machine with uniform feeding according to claim 4, characterized in that, The output end of the fan (602) is connected to an elbow pipe, the bottom end of which penetrates the top of the sealed housing (603), and the elbow pipe is in communication with the interior of the sealed housing (603).

6. The injection molding machine with uniform feeding according to claim 5, characterized in that, The sealed housing (603) and the air guide pipe (605) are internally connected, and the air guide pipe (605) and the connecting pipe (604) are internally connected.

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