Plastic particle feeding mechanism for injection molding machine

Abstract

The utility model relates to the technical field of injection molding machine feeding, and discloses a plastic particle feeding mechanism for an injection molding machine, which comprises a mixing box, a feeding channel arranged at the bottom and communicated with a feeding cylinder, and a discharging channel arranged at the tail part. A material mixing and conveying assembly is arranged in the feeding barrel and the material mixing box and comprises a motor, a feeding shaft and a spiral blade. The shaft end of the feeding shaft is connected with a synchronous wheel, a mixing shaft and a transmission wheel are arranged in the mixing box, and the synchronous wheel is connected with the transmission wheel through a synchronous belt. A plurality of groups of shaft sleeves and material turning rods are arranged on the material mixing shaft. And the material mixing box can pre-mix the fed plastic particles, so that uniform mixing is ensured. And the motor drives the feeding shaft to rotate to drive the spiral blade to push the particles to the feeding barrel and discharge the particles. The synchronous belt transmits rotating power to the mixing shaft, so that uniform mixing is realized, blockage is avoided, and the feeding efficiency is improved. The preheating assembly preheats plastic particles, fluidity and injection molding efficiency are improved, and product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine feeding, in particular to a plastic particle feeding mechanism for an injection molding machine. Background Art

[0002] Injection molding machines are indispensable and important equipment in modern industrial production. Their wide range of applications makes them occupy a pivotal position in the plastic processing industry. With their high efficiency, precision and automation, injection molding machines provide strong technical support for the production of plastic products.

[0003] However, in the production process of injection molding machines, the feeding of plastic pellets often becomes one of the key factors restricting production efficiency. Traditional plastic pellet feeding mechanisms often have problems such as uneven feeding, easy clogging, and high energy consumption, which increases the company's operating costs and cannot achieve preheating of plastic pellets, thus affecting subsequent injection molding production efficiency and product quality.

[0004] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a plastic particle feeding mechanism for an injection molding machine. Utility Model Content

[0005] The utility model aims to provide a plastic particle feeding mechanism for an injection molding machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A technical solution for a plastic particle feeding mechanism for an injection molding machine, comprising a mixing box, a feeding channel is provided at the bottom of the mixing box, a feeding barrel is installed at the bottom of the feeding channel, a discharge channel is provided at the tail of the feeding barrel, a mixing conveying assembly is installed in the feeding barrel and the mixing box, the mixing conveying assembly comprises a motor installed on the outer wall of the feeding barrel, a feeding shaft is connected to the output end of the motor, the feeding shaft passes through the barrel wall and extends inwardly, a spiral blade is provided on the feeding shaft in the feeding barrel, a synchronous wheel is connected to the shaft end of the feeding shaft, a mixing shaft is provided in the mixing box, the shaft end of the mixing shaft passes through the box wall and is provided with a transmission wheel, the synchronous wheel and the transmission wheel are connected by a synchronous belt, a plurality of sets of shaft sleeves are installed on the mixing shaft, and a turning rod is installed on the shaft sleeve.

[0008] As a preferred technical solution, a plurality of groups of the shaft sleeves and the turning rods are distributed in a staggered manner, and a mixing blade is installed on each of the turning rods.

[0009] As a preferred technical solution, a preheating component is provided in the mixing box, and the preheating component includes a preheating machine base, which is installed in the mixing box, and a plurality of heating components are installed on the preheating machine base at equal intervals.

[0010] As a preferred technical solution, bearing seats are installed on the ends of the mixing shaft and the feeding shaft.

[0011] As a preferred technical solution, the top of the mixing box is open and is equipped with a material separation net, which is bent and used for separating the input plastic particles.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model is a plastic granule feeding mechanism for an injection molding machine. The mixing box can premix the input plastic granules to ensure uniform mixing of the plastic granules. The motor drives the feeding shaft to rotate, which drives the spiral blades to rotate, pushes the plastic granules into the feeding barrel, and discharges them through the discharge channel. The synchronous belt can transmit the rotational power of the feeding shaft to the mixing shaft, so that the mixing shaft rotates synchronously. Through the rotation coordination of the shaft sleeve, the turning rod, and the mixing blades, the plastic granules in the mixing box are uniformly mixed, blockage is avoided, and the feeding efficiency is improved. The preheating component can preheat the plastic granules, improve the fluidity of the plastic granules, improve the injection molding production efficiency, and ensure the quality of the injection molded products.

[0014] (2) The utility model is a plastic particle feeding mechanism for an injection molding machine. By setting a plurality of sets of staggered bushings, turning rods and mixing blades, the mixing uniformity of plastic particles can be further improved, and particles can be prevented from locally piling up or forming dead corners in the mixing box, thereby improving the mixing effect and feeding efficiency. At the same time, the bending shape of the dividing net can divide the input plastic particles so that the particles can be more evenly distributed in the mixing box, further improving the mixing effect. The utility model has a simple structure and a reasonable design, can achieve uniform mixing and preheating of plastic particles, improve feeding efficiency and injection molding production efficiency, ensure product quality, and has broad market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a plastic particle feeding mechanism for an injection molding machine;

[0016] Figure 2 It is a schematic diagram of the structure of a preheating component of a plastic pellet feeding mechanism for an injection molding machine;

[0017] Figure 3 The present invention is a schematic diagram of the structure of a mixing and conveying component of a plastic particle feeding mechanism for an injection molding machine.

[0018] In the accompanying drawings: 1. mixing box; 11. material dividing net; 12. feeding channel; 13. feeding barrel; 14. discharging channel; 21. motor; 22. feeding shaft; 23. synchronous wheel; 24. spiral blade; 25. mixing shaft; 26. transmission wheel; 27. synchronous belt; 28. bushing; 29. ​​turning rod; 30. mixing blade; 31. bearing seat; 41. preheating machine base; 42. heating component. DETAILED DESCRIPTION

[0019] The features and exemplary embodiments of various aspects of the present invention will be described in detail below. In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. For those skilled in the art, the present invention can be implemented without the need for some of these specific details. The following description of the embodiments is only intended to provide a better understanding of the present invention by illustrating examples of the present invention.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution of a plastic granule feeding mechanism for an injection molding machine: comprising a mixing box 1, the top of which is designed with an opening to facilitate the input of plastic granules. A material distribution net 11 is installed on the top of the mixing box 1, and its bent design allows the input plastic granules to be evenly dispersed to avoid the accumulation of granules in a certain area, thereby ensuring the uniform distribution of the plastic granules in the mixing box 1.

[0021] The motor 21 is fixed on the outer wall of the feeding barrel 13 and serves as the power source of the entire feeding mechanism. After the motor 21 is started, it drives the feeding shaft 22 to rotate. The feeding shaft 22 passes through the barrel wall of the feeding barrel 13 and extends inward, and the spiral blades 24 thereon rotate with the rotation of the feeding shaft 22. The rotation of the spiral blades 24 pushes the plastic particles from the bottom of the mixing box 1 into the feeding barrel 13, and pushes forward along the length direction of the feeding barrel 13, and finally discharges through the discharge channel 14, providing a continuous supply of plastic particles for the injection molding machine.

[0022] Among them, inside the mixing box 1, the mixing shaft 25 is connected to the feeding shaft 22 by a synchronous belt 27. When the feeding shaft 22 rotates, the mixing shaft 25 will also rotate synchronously through the transmission of the synchronous belt 27. A plurality of shaft sleeves 28 are installed on the mixing shaft 25, and each shaft sleeve 28 is installed with a turning rod 29 and a mixing blade 30. These turning rods 29 and mixing blades 30 rotate with the rotation of the mixing shaft 25, turning and mixing the plastic particles in the mixing box 1, ensuring the uniformity of the particles and preventing the particles from agglomerating or clogging.

[0023] Among them, multiple sets of shaft sleeves 28, turning rods 29 and mixing blades 30 are distributed in a staggered manner, which can further improve the mixing effect of plastic particles and avoid particles from forming dead corners in the mixing box 1. Each turning rod 29 is equipped with a mixing blade 30, which can further increase the stirring and mixing effect on the plastic particles and improve the mixing uniformity.

[0024] In order to further improve the fluidity of the plastic particles, a preheating component is also provided in the mixing box 1. The preheating component includes a preheating base 41 and a plurality of heating components 42. The preheating base 41 is installed in the mixing box 1, and the heating components 42 are evenly distributed on the preheating base 41. When the heating components 42 are working, they release heat into the mixing box 1 to preheat the plastic particles. The plastic particles after preheating have better fluidity and are easier to be pushed into the injection molding machine by the feeding mechanism, thereby improving the injection molding production efficiency.

[0025] The ends of the mixing shaft 25 and the feeding shaft 22 are both provided with bearing seats 31 to ensure stable rotation of the shafts. The design of the bearing seats 31 can reduce friction and wear of the shafts and increase the service life of the feeding mechanism.

[0026] The working principle and use process of the utility model are as follows: when in use, first, the operator puts the plastic particles to be injected into the top of the mixing box 1, and the particles are evenly dispersed into the mixing box 1 through the bending design of the material distribution net 11. At this time, the heating component 42 in the preheating component starts to work, releasing heat to preheat the plastic particles and improve the fluidity of the particles.

[0027] Then, the motor 21 is started, and the motor 21 drives the feeding shaft 22 to rotate. The spiral blades 24 on the feeding shaft 22 rotate and push the plastic particles at the bottom of the mixing box 1 into the feeding tube 13. At the same time, the mixing shaft 25 also rotates synchronously through the transmission of the synchronous belt 27. The shaft sleeve 28, the turning rod 29 and the mixing blades 30 on the mixing shaft 25 work together to turn and mix the plastic particles in the mixing box 1 to ensure the uniformity of the particles.

[0028] In the feeding barrel 13, the plastic particles pushed forward by the spiral blade 24 are continuously discharged through the discharge channel 14 and supplied to the injection molding machine for injection molding operation. Because the plastic particles are preheated, they have better fluidity and are easier to be pushed and injected, thereby improving the injection molding production efficiency.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying 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 operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] According to the embodiments of the present invention as described above, these embodiments do not describe all the details in detail, nor do they limit the present invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can make good use of the present invention and the modified use based on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plastic pellet feeding mechanism for an injection molding machine, characterized in that: The invention comprises a mixing box (1), wherein a feeding channel (12) is arranged at the bottom of the mixing box (1), a feeding cylinder (13) is connected to the bottom of the feeding channel (12), a discharge channel (14) is arranged at the tail of the feeding cylinder (13), a mixing conveying assembly is arranged in the feeding cylinder (13) and the mixing box (1), the mixing conveying assembly comprises a motor (21) installed on the outer wall of the feeding cylinder (13), a feeding shaft (22) is connected to the output end of the motor (21), the feeding shaft (22) penetrates the cylinder wall and is directed to The feeding shaft (22) is located in the feeding barrel (13), and a spiral blade (24) is arranged on the feeding shaft (22). The shaft end of the feeding shaft (22) is connected to a synchronous wheel (23). A mixing shaft (25) is arranged in the mixing box (1), and the shaft end of the mixing shaft (25) passes through the box wall and is sleeved with a transmission wheel (26). The synchronous wheel (23) and the transmission wheel (26) are connected by a synchronous belt (27). A plurality of sets of shaft sleeves (28) are installed on the mixing shaft (25), and a turning rod (29) is installed on the shaft sleeve (28).

2. A plastic particle feeding mechanism for an injection molding machine according to claim 1, characterized in that: A plurality of groups of shaft sleeves (28) and material turning rods (29) are distributed in a staggered manner, and a mixing blade (30) is installed on each of the material turning rods (29).

3. A plastic particle feeding mechanism for an injection molding machine according to claim 1, characterized in that: A preheating component is arranged in the mixing box (1), and the preheating component comprises a preheating machine base (41). The preheating machine base (41) is installed in the mixing box (1), and a plurality of heating components (42) are installed on the preheating machine base (41) at equal intervals.

4. A plastic particle feeding mechanism for an injection molding machine according to claim 1, characterized in that: The ends of the mixing shaft (25) and the feeding shaft (22) are both equipped with bearing seats (31).

5. The plastic particle feeding mechanism for an injection molding machine according to claim 1, characterized in that: The top of the mixing box (1) is open and is provided with a material separation net (11). The material separation net (11) is bent and is used for separation of the input plastic particles.

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