Injection molding machine for plastic product production

Abstract

The utility model discloses an injection molding machine for producing plastic products, and relates to the field of injection molding machines, the injection molding machine comprises a bottom plate, the left part and the right part of the upper end of the bottom plate are jointly provided with an extrusion molding pipe, the upper side of the extrusion molding pipe is provided with a hopper, the hopper is arranged at the right part of the upper end of the bottom plate through a bracket, and the upper end of the hopper is provided with a feeding part; a feeding pipe is fixedly connected to the middle of the upper end of the hopper in a penetrating mode, and a flow guide component is installed at the upper end of the feeding pipe and extends into the hopper. By arranging the feeding component, different materials can conveniently enter the hopper at the same time, preliminary mixing is completed, the situation that different raw materials are stacked in the hopper in a layered mode is avoided, the subsequent stirring time is shortened, and the working efficiency is improved; and a certain degree of material mixing is realized before stirring is started, so that the material accumulation condition is reduced.

Description

Technical Field

[0001] The utility model relates to the field of injection molding machines, in particular to an injection molding machine for producing plastic products. Background Art

[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.

[0003] The prior art (Announcement No.: CN 219634340 U) discloses an injection molding machine for the production of plastic products. Its technical solution includes: a workbench, a nozzle, an injection molding cavity and a box body, an injection molding cavity is installed on one side of the upper surface of the workbench by bolts, a movable mold is slidably installed on the inner wall of one end of the injection molding cavity, a fixed mold is installed on the inner wall of the other end of the injection molding cavity by bolts, a nozzle is rotatably installed on the upper end of the injection molding cavity, the box body is fixed to the upper surface of the injection molding cavity by bolts, a feed port is provided on the upper surface of the box body, a connecting pipe is embedded and installed on the box body, the other end of the connecting pipe is rotatably connected to the nozzle, a square hole is provided on the injection molding cavity, and the position of the square hole corresponds to the position of the nozzle;

[0004] Although the above patent uses a machine to replace manual spraying of release agent, improves work efficiency, reduces labor intensity, and meets the needs of personnel, it has the following disadvantages. When in use, there is only one feed inlet, and multiple raw materials need to be poured into the hopper in batches and stirred evenly, so that different raw materials are accumulated in layers in the hopper. It is necessary to increase the stirring time to achieve the desired mixing effect, which affects work efficiency. For this reason, we propose an injection molding machine for the production of plastic products. Utility Model Content

[0005] The main purpose of the utility model is to provide an injection molding machine for producing plastic products, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An injection molding machine for producing plastic products comprises a base plate, an extrusion tube is installed on the upper left and upper right parts of the base plate, a hopper is arranged on the upper side of the extrusion tube, the hopper is installed on the upper right part of the base plate through a bracket, a feeding component is installed on the upper end of the hopper, a feeding tube is fixedly inserted and connected in the middle part of the upper end of the hopper, a flow guide component is installed on the upper end of the feed tube, and the flow guide component extends into the hopper.

[0008] Preferably, the feeding component includes support rods, and the support rods are provided in a plurality and distributed in a circular array, and feed tanks are installed on the upper ends of the plurality of support rods, and electric valves are inserted and connected at the lower ends of the plurality of feed tanks, and the ends of the plurality of electric valves close to each other extend into the feed pipe.

[0009] Preferably, the guide component includes a third motor, which is installed at the upper end of the feed pipe, and the output end of the third motor movably penetrates the upper wall of the feed pipe and is fixedly connected to a connecting rod, and a guide plate is installed at the lower end of the connecting rod, and a plurality of baffles distributed in a linear array are installed at the upper end of the guide plate, and a plurality of through holes distributed in a ring array are opened at the lower end of the guide plate.

[0010] Preferably, a heating ring is installed on the outer surface of the extrusion tube, a first motor is installed on the right end of the extrusion tube, and an output end of the first motor extends into the extrusion tube and is fixedly connected with a spiral extrusion blade.

[0011] Preferably, a second motor is installed in the middle of the lower end of the hopper, the output end of the second motor extends into the hopper and is fixedly connected with a stirring blade, and a feed valve pipe is inserted and connected to the right part of the lower end of the hopper, and the feed valve pipe extends into the extrusion tube.

[0012] Preferably, the guide plate is located in the hopper, and the guide plate is located above the stirring blade.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By setting the feeding components, different materials can be conveniently put into the hopper at the same time. When in use, different materials are poured into different feeding tanks, and then the electric valves are opened at the same time, so that the materials of different materials enter the feeding pipe at the same time, and then fall into the inside of the hopper synchronously to complete the preliminary mixing, avoiding the accumulation of different raw materials in the hopper, reducing the subsequent mixing time, and improving the work efficiency;

[0015] 2. The material can be guided by the guide component. When in use, the third motor is controlled to drive the guide plate to rotate through the connecting rod. Part of the raw materials fall through the through hole to the middle of the bottom of the hopper, and part of them fall on the guide plate. When the guide plate rotates, the raw materials are thrown out and fall around the bottom of the hopper. This can ensure that a certain degree of material mixing is achieved before starting mixing, reduce material accumulation, and further reduce mixing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the entire structure proposed in this embodiment;

[0017] Figure 2It is a schematic cross-sectional structural diagram in this embodiment;

[0018] Figure 3 Schematic diagram of the structure of the feeding component in this embodiment;

[0019] Figure 4 Schematic diagram of the structure of the flow guide component in this embodiment.

[0020] In the figure: 1, bottom plate; 2, extrusion tube; 3, heating ring; 4, first motor; 5, hopper; 6, feed component; 7, feed tube; 8, guide component; 9, second motor; 10, stirring blade; 11, feed valve tube; 12, spiral extrusion blade; 61, feed tank; 62, electric valve; 63, support rod; 81, third motor; 82, connecting rod; 83, guide plate; 84, baffle; 85, through hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-Figure 4As shown, an injection molding machine for producing plastic products includes a base plate 1, an extrusion tube 2 is installed on the upper left and upper right parts of the base plate 1, a hopper 5 is arranged on the upper side of the extrusion tube 2, the hopper 5 is used to store the raw materials of the plastic products, the hopper 5 is installed on the upper right part of the base plate 1 through a bracket, a feeding component 6 is installed on the upper end of the hopper 5, a feeding tube 7 is fixedly inserted and connected in the middle part of the upper end of the hopper 5, a guide component 8 is installed on the upper end of the feeding tube 7, and the guide component 8 extends into the hopper 5.

[0025] The feeding component 6 is used to facilitate different plastic granule raw materials to enter the hopper 5 at the same time. The feeding component 6 includes a support rod 63. The support rod 63 is provided with a plurality of support rods 63 and distributed in a circular array. The upper ends of the plurality of support rods 63 are installed with a feeding tank 61. There are four feeding tanks 61. The lower ends of the plurality of feeding tanks 61 are interspersed with electric valves 62. The ends of the plurality of electric valves 62 close to each other extend into the feeding pipe 7. When in use, different materials are poured into different feeding tanks 61, and then the electric valves 62 are opened at the same time, so that materials of different materials enter the feeding pipe 7 at the same time, and then fall into the interior of the hopper 5 synchronously to complete the preliminary mixing, avoid the accumulation of different raw materials in layers in the hopper 5, and improve the work efficiency.

[0026] The guide component 8 includes a third motor 81, which is installed at the upper end of the feed pipe 7. The output end of the third motor 81 movably penetrates the upper wall of the feed pipe 7 and is fixedly connected with a connecting rod 82. The lower end of the connecting rod 82 is equipped with a guide plate 83. The guide plate 83 is a conical structure. The upper end of the guide plate 83 has a certain slope to facilitate the falling and throwing of materials. The upper end of the guide plate 83 is equipped with a plurality of baffles 84 distributed in a linear array, and the lower end of the guide plate 83 is provided with a plurality of through holes 85 distributed in a circular array. The guide component 8 is used to guide the material so that the raw material falls to the surrounding of the bottom of the hopper 5, which can ensure that a certain degree of material mixing is achieved before starting to stir, reduce the situation where the material accumulates in a certain place, and further reduce the stirring time. When in use, the third motor 81 is controlled to drive the guide plate 83 to rotate through the connecting rod 82. Part of the raw material falls to the middle of the bottom of the hopper 5 through the through hole 85, and part falls on the guide plate 83. When the guide plate 83 rotates, the raw material is thrown out by centrifugal force.

[0027] A heating ring 3 is installed on the outer surface of the extrusion tube 2, and the heating ring 3 is used to heat the material. A first motor 4 is installed at the right end of the extrusion tube 2. The output end of the first motor 4 extends into the extrusion tube 2 and is fixedly connected to a spiral extrusion blade 12, which is used to extrude and transport the raw materials.

[0028] A second motor 9 is installed in the middle of the lower end of the hopper 5, and the output end of the second motor 9 extends into the hopper 5 and is fixedly connected to a stirring blade 10. A feed valve pipe 11 is inserted and connected to the right part of the lower end of the hopper 5, and the feed valve pipe 11 extends into the extrusion tube 2. When in use, the second motor 9 is controlled to drive the stirring blade 10 to rotate to stir the preliminarily mixed raw materials.

[0029] The guide plate 83 is located in the hopper 5, the guide plate 83 is located below the feed pipe 7, and the guide plate 83 is located above the stirring blade 10, and the stirring blade 10 is used to stir the raw materials.

[0030] The utility model proposes an injection molding machine for producing plastic products. When in use, different material particles are poured into different feed tanks 61, and then the electric valve 62 is opened at the same time, so that different plastic product materials enter the feed pipe 7 at the same time to complete preliminary mixing. At the same time, the third motor 81 is controlled to drive the guide plate 83 to rotate through the connecting rod 82, and a part of the raw materials falls to the middle part of the bottom of the hopper 5 through the through hole 85, and a part falls on the guide plate 83. When the guide plate 83 rotates, the raw materials are thrown out, so that the raw materials fall to the surrounding of the bottom of the hopper 5, which can ensure that a certain degree of material mixing is achieved before starting to stir, and the accumulation of materials is reduced. After the feeding is completed, the second motor 9 is controlled to drive the stirring blade 10 to stir the raw materials. After the stirring is completed, the feed valve pipe 11 is opened to allow the raw materials to enter the extrusion tube 2, and the first motor 4 is controlled to drive the spiral extrusion blade 12 to rotate, so as to drive the raw materials to move to the left. When passing through the heating ring 3, the heating ring 3 melts the raw materials, and finally enters the mold through the left side of the extrusion tube 2.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection molding machine for producing plastic products, comprising a base plate (1), characterized in that: An extrusion tube (2) is installed on the upper left and upper right parts of the bottom plate (1); a hopper (5) is arranged on the upper side of the extrusion tube (2); the hopper (5) is installed on the upper right part of the bottom plate (1) through a bracket; a feeding component (6) is installed on the upper end of the hopper (5); a feeding tube (7) is fixedly inserted and connected in the middle of the upper end of the hopper (5); a flow guide component (8) is installed on the upper end of the feeding tube (7); and the flow guide component (8) extends into the hopper (5).

2. The injection molding machine for producing plastic products according to claim 1, characterized in that: The feeding component (6) comprises a supporting rod (63), wherein a plurality of the supporting rods (63) are arranged and distributed in a circular array, a feeding tank (61) is installed at the upper end of a plurality of the supporting rods (63), an electric valve (62) is inserted and connected at the lower end of a plurality of the feeding tanks (61), and the ends of a plurality of the electric valves (62) close to each other extend into the feeding pipe (7).

3. The injection molding machine for producing plastic products according to claim 1, characterized in that: The guide component (8) comprises a third motor (81), the third motor (81) is mounted on the upper end of the feed pipe (7), the output end of the third motor (81) movably penetrates the upper wall of the feed pipe (7) and is fixedly connected to a connecting rod (82), a guide plate (83) is mounted on the lower end of the connecting rod (82), a plurality of baffles (84) distributed in a linear array are mounted on the upper end of the guide plate (83), and a plurality of through holes (85) distributed in a ring array are opened on the lower end of the guide plate (83).

4. The injection molding machine for producing plastic products according to claim 1, characterized in that: A heating ring (3) is installed on the outer surface of the extrusion tube (2), a first motor (4) is installed at the right end of the extrusion tube (2), and the output end of the first motor (4) extends into the extrusion tube (2) and is fixedly connected to a spiral extrusion blade (12).

5. The injection molding machine for producing plastic products according to claim 3, characterized in that: A second motor (9) is installed in the middle of the lower end of the hopper (5), the output end of the second motor (9) extends into the hopper (5) and is fixedly connected to a stirring blade (10), and a feed valve pipe (11) is inserted and connected to the right part of the lower end of the hopper (5), and the feed valve pipe (11) extends into the extrusion pipe (2).

6. The injection molding machine for producing plastic products according to claim 5, characterized in that: The guide plate (83) is located in the hopper (5), and the guide plate (83) is located above the stirring blade (10).

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