Injection molding machine for modified plastic processing

Abstract

The utility model relates to the technical field of injection molding machines, and discloses an injection molding machine for modified plastic processing, which comprises a supporting table, one side of the upper surface of the supporting table is fixedly connected with a supporting block, the upper surface of the supporting block is fixedly connected with a motor I, one side of the motor I is provided with a material conveying barrel, and the outer wall of the material conveying barrel is fixedly connected with a heating sleeve. The output end of the first motor is fixedly connected with a threaded extrusion rod, the threaded extrusion rod is rotatably connected to the interior of the conveying barrel, the upper surface of the supporting table is fixedly connected with a supporting frame, and the inner wall of the supporting frame is fixedly connected with a mixing barrel. According to the device, the second motor is started to drive the stirring roller on the outer wall of the transmission rod to rotate, so that the effect of adding different raw materials for stirring and mixing to realize pretreatment is achieved, the auger blade is driven to rotate through the transmission rod, and the effect of conveniently and uniformly discharging the mixed raw materials along with the auger blade is achieved; the practicability of the injection molding machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine for processing modified plastics. Background Art

[0002] Modified plastics refer to materials that introduce additives, fillers, etc. to improve the properties of plastics, which are achieved through injection molding during processing. Injection molding machines are common processing equipment. The reason for choosing them is that they can efficiently and accurately heat and melt modified plastics and inject them into the mold to form products with excellent fluidity and melt stability. In the processing of modified plastics, injection molding can ensure that the plastic fully fills the mold, reduces the molding temperature, and improves strength, hardness and wear resistance. At the same time, the high degree of automation, efficient production and cost-effectiveness of injection molding machines also make it a widely selected processing method, especially for industries that require large-scale production and complex precision parts, such as electronics and medical device manufacturing.

[0003] After searching, the announcement number CN215434828U discloses an injection molding machine for processing modified plastics, including an equipment base and a first substrate, a cylinder body is arranged on one side of the upper end of the equipment base, and a telescopic rod is arranged on one side of the cylinder body, the first substrate is arranged at one end of the telescopic rod, a demoulding auxiliary rod is arranged on one side of the center of the first substrate, and spring demoulding rods are arranged at the upper and lower ends of the demoulding auxiliary rod, and a punch fixing plate is arranged at one end of the demoulding auxiliary rod. The injection molding machine is provided with a spring demoulding rod, one end of which passes through the punch fixing plate and is embedded in the wrapping groove. The wrapping groove mainly serves to mold the plastic body overflowing from the connection part between the concave mold groove and the punch, and to wrap one end of the spring demoulding rod, so that the molded plastic plate can be attached to the outside of the punch when the punch and the concave mold are separated from each other, and when the telescopic rod drives the punch fixing plate and the punch to retreat, the demoulding auxiliary rod will form an opposite thrust on the punch fixing plate. In this application, the template docking accuracy is achieved through structures such as a spring demoulding rod, a male mold fixing plate, and a female mold groove.

[0004] However, the application does not take into account the problem that when pre-treating the unprocessed raw materials, the amount of raw materials entering cannot be controlled, resulting in excessive and uneven feeding, which blocks the injection molding pipeline and reduces the service life of the injection molding machine. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an injection molding machine for processing modified plastics, aiming to improve the problem in the prior art that the processing raw materials cannot be pre-processed and the input amount cannot be controlled.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an injection molding machine for processing modified plastics, comprising a support table, a support block is fixedly connected to one side of the upper surface of the support table, a motor 1 is fixedly connected to the upper surface of the support block, a feed barrel is arranged on one side of the motor 1, a heating sleeve is fixedly connected to the outer wall of the feed barrel, a trapezoidal support block is fixedly connected to the lower surface of the heating sleeve, the lower surface of the trapezoidal support block is fixedly connected to the upper surface of the support table, a threaded extrusion rod is fixedly connected to the output end of the motor 1, the threaded extrusion rod is rotatably connected to the inside of the feed barrel, a support frame is fixedly connected to the upper surface of the support table, a mixing barrel is fixedly connected to the inner wall of the support frame, a motor 2 is fixedly connected to the upper surface of the mixing barrel, a transmission rod is fixedly connected to the output end of the motor 2, and a mixing and feeding assembly is arranged on the outer wall of the transmission rod.

[0007] Through the above technical solution, the effect of facilitating mixing of various raw materials is achieved.

[0008] Furthermore, the mixing and feeding assembly includes a stirring roller, the stirring roller is fixedly connected to the outer wall of the transmission rod, and the outer wall of the transmission rod is fixedly connected with an auger blade.

[0009] Through the above technical solution, the effect of uniform material feeding is achieved.

[0010] Furthermore, a fixing plate is fixedly connected to the outlet of the feeding cylinder, and a dovetail groove is provided inside the fixing plate.

[0011] Through the above technical solution, the effect of facilitating and stabilizing material discharging is achieved.

[0012] Furthermore, a concave die is slidably connected inside the fixing plate, and an outer wall of the concave die is slidably connected to an inner wall of the dovetail groove.

[0013] Through the above technical solution, the effect of facilitating the assembly of the die and limiting its position is achieved.

[0014] Furthermore, a spring 1 is fixedly connected inside the die, a bump is fixedly connected to one end of the spring 1, an outer wall of the bump is slidably connected to the inner wall of the die, and one side of the outer wall of the bump abuts against the inner wall of the dovetail groove.

[0015] Through the above technical solution, the effect of stabilizing the die is achieved.

[0016] Furthermore, a guard plate is fixedly connected to the upper surface of the support table, a plurality of hydraulic cylinders are fixedly connected to one side of the inner wall of the guard plate, and output ends of the plurality of hydraulic cylinders are fixedly connected to sliding plates.

[0017] Through the above technical solution, the effect of pushing the sliding plate is achieved.

[0018] Furthermore, a male mold is slidably connected inside the sliding plate, and the male mold is arranged on the opposite side of the female mold.

[0019] Through the above technical solution, the effect of facilitating the matching of the punch and the die is achieved.

[0020] Furthermore, a limiting rod is fixedly connected to one side of the outer wall of the sliding plate, and a spring 2 is sleeved on the outer wall of the limiting rod. One end of the spring 2 is fixedly connected to one side of the sliding plate, and the other end of the spring 2 is fixedly connected to one side of the inner wall of the guard plate.

[0021] Through the above technical solution, the effect of facilitating the resetting of the auxiliary punch is achieved.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by starting the second motor to drive the stirring roller on the outer wall of the transmission rod to rotate, different raw materials can be added for stirring and mixing to achieve the effect of pretreatment, and the auger blade is driven by the transmission rod to rotate, so as to achieve the effect of facilitating the mixed raw materials to be evenly discharged along with the auger blade, thereby solving the problem that the prior art cannot realize the pretreatment of raw materials and improves the practicality of the injection molding machine.

[0024] 2. In the utility model, the projection is compressed by lightly pulling the die, thereby achieving the effect of squeezing spring one, and the projection is driven into the interior of the die by the pressure of spring one, thereby achieving the effect of facilitating the rapid separation of the die from the interior of the fixed plate, solving the problem of the prior art that different molds cannot be replaced, and improving the practicality of the injection molding machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional structural diagram of an injection molding machine for processing modified plastics proposed by the utility model;

[0026] Figure 2 This is a cross-sectional view of a mixing barrel of an injection molding machine for processing modified plastics proposed by the utility model;

[0027] Figure 3 This is a partial structural schematic diagram of an injection molding machine for processing modified plastics proposed by the utility model;

[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Support table; 2. Support block; 3. Motor 1; 4. Feed barrel; 5. Heating sleeve; 6. Threaded extruder rod; 7. Support frame; 8. Mixing barrel; 9. Motor 2; 10. Transmission rod; 11. Stirring roller; 12. Auger blade; 13. Fixed plate; 14. Dovetail groove; 15. Die; 16. Spring 1; 17. Bump; 18. Hydraulic cylinder; 19. Sliding plate; 20. Punch; 21. Limit rod; 22. Spring 2. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-2 , the utility model provides an embodiment: an injection molding machine for processing modified plastics, including a support table 1, a support block 2 is fixedly connected to one side of the upper surface of the support table 1, a motor 3 is fixedly connected to the upper surface of the support block 2, a feeding cylinder 4 is arranged on one side of the motor 3, a heating sleeve 5 is fixedly connected to the outer wall of the feeding cylinder 4, a trapezoidal support block is fixedly connected to the lower surface of the heating sleeve 5, the lower surface of the trapezoidal support block is fixedly connected to the upper surface of the support table 1, a threaded extrusion rod 6 is fixedly connected to the output end of the motor 3, the threaded extrusion rod 6 is rotatably connected to the inside of the feeding cylinder 4, a support frame 7 is fixedly connected to the upper surface of the support frame 7, a mixing barrel 8 is fixedly connected to the inner wall of the mixing barrel 8, a motor 2 9 is fixedly connected to the upper surface of the mixing barrel 8, a transmission rod 10 is fixedly connected to the output end of the motor 2 9, and a mixing and unloading assembly is arranged on the outer wall of the transmission rod 10; the mixing and unloading assembly includes a stirring roller 11, the stirring roller 11 is fixedly connected to the outer wall of the transmission rod 10, and a screw blade 12 is fixedly connected to the outer wall of the transmission rod 10;

[0033] Specifically, the raw materials are first poured into the mixing barrel 8 through the feed port above the mixing barrel 8. At this time, the motor 2 9 is started, and the driving rod 10 drives the stirring roller 11 to rotate. This rotation can ensure that the raw materials are evenly mixed in the mixing barrel 8, so as to achieve an ideal mixing effect. In addition, the rotation of the driving rod 10 can also drive the auger blade 12 to rotate synchronously at the same time. The design of the auger blade 12 can make the raw materials evenly discharged during the rotation process, ensuring that each portion of the raw materials can be fully stirred. This design not only improves the uniformity of mixing, but also greatly improves production efficiency. Next, the heating sleeve 5 is started to heat the raw materials in the feed barrel 4. This step is to ensure that the raw materials can maintain an appropriate temperature during the injection molding process, thereby ensuring the quality and stability of the injection molded products. The feed barrel 4 is stabilized by arranging a trapezoidal support block directly below the feed barrel 4, so that it can run stably. At the same time, the motor 1 3 is started, and the threaded extrusion rod 6 starts to push the raw materials forward. This propulsion method can ensure that the raw materials enter the concave mold 15 smoothly and evenly, laying a solid foundation for subsequent injection molding.

[0034] Reference Figure 1-3 A fixed plate 13 is fixedly connected at the outlet of the feeding cylinder 4, and a dovetail groove 14 is provided inside the fixed plate 13; a die 15 is slidably connected inside the fixed plate 13, and the outer wall of the die 15 is slidably connected to the inner wall of the dovetail groove 14; a spring 16 is fixedly connected inside the die 15, and a convex block 17 is fixedly connected at one end of the spring 16, and the outer wall of the convex block 17 is slidably connected to the inner wall of the die 15, and one side of the outer wall of the convex block 17 abuts against the inner wall of the dovetail groove 14;

[0035] Specifically, on the production line, in order to meet the needs of workpieces of different models, rapid mold replacement becomes an important task. At this time, by pulling the handle on the upper surface of the die 15, the spring 16 is subjected to pressure, which in turn drives the protrusion 17 to shrink into the inside of the die 15. This process is simple to operate, saves time, and achieves the effect of rapid mold replacement. In the traditional mold replacement method, various tools are required, which consumes a lot of time and requires professional personnel to operate. This new device can achieve rapid replacement by simply pulling the handle, greatly improving production efficiency.

[0036] Reference Figure 3-4 A guard plate is fixedly connected to the upper surface of the support table 1, and a plurality of hydraulic cylinders 18 are fixedly connected to one side of the inner wall of the guard plate, and a sliding plate 19 is fixedly connected to the output ends of the plurality of hydraulic cylinders 18; a punch 20 is slidably connected inside the sliding plate 19, and the punch 20 is arranged on the opposite side of the die 15; a limit rod 21 is fixedly connected to one side of the outer wall of the sliding plate 19, and the limit rod 21 is slidably connected to the guard plate; a spring 22 is sleeved on the outer wall of the limit rod 21, and one end of the spring 22 is fixedly connected to one side of the sliding plate 19, and the other end of the spring 22 is fixedly connected to one side of the inner wall of the guard plate;

[0037] Specifically, the sliding plate 19 can be flexibly moved by the drive of the hydraulic cylinder 18, so that the punch 20 can be accurately embedded in the inside of the die 15. Thus, the manufacturing accuracy is improved. When the hydraulic cylinder 18 drives the punch 20 to be embedded in the die 15, the spring 22 can assist the hydraulic cylinder 18 to drive the punch 20 to reset. This reset mechanism improves the production efficiency. The dimensions of the punch 20 and the die 15 match, and the two are designed in a straight line, which makes them more stable when engaged. The accuracy and consistency of the parts are guaranteed. It should be noted that the punch 20 adopts the same disassembly structure as the die 15 to achieve the effect of rapid installation and disassembly.

[0038] Working principle: When the injection molding machine is needed for production, firstly, a variety of raw materials are put into the mixing barrel 8 through the feeding port above the mixing barrel 8. At this time, the transmission rod 10 drives the stirring roller 11 to rotate by starting the motor 9, thereby achieving the effect of mixing the raw materials. The rotation of the transmission rod 10 can simultaneously drive the auger blade 12 to rotate synchronously, thereby achieving the effect of uniform material discharge. At this time, the hydraulic cylinder 18 is started to push the punch 20 on one side of the sliding plate 19 to embed into the inside of the die 15. At this time, the heating sleeve 5 is started to heat the raw materials inside the feed barrel 4, and the motor 3 is started to make the threaded extrusion rod 6 push the raw materials to advance, thereby achieving the effect of pushing the injection molding raw materials into the die 15. At this time, the punch 20 is reset to facilitate the removal of the finished workpiece. When different types of workpieces need to be produced, the handle on the upper surface of the die 15 is pulled, so that the spring 16 is compressed to drive the convex block 17 to shrink into the inside of the die 15, thereby achieving the effect of facilitating the rapid replacement of the die 15.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An injection molding machine for processing modified plastics, comprising a support table (1), characterized in that: A support block (2) is fixedly connected to one side of the upper surface of the support table (1), a motor 1 (3) is fixedly connected to the upper surface of the support block (2), a feed barrel (4) is arranged on one side of the motor 1 (3), the outer wall of the feed barrel (4) is fixedly connected to a heating sleeve (5), the lower surface of the heating sleeve (5) is fixedly connected to a trapezoidal support block, the lower surface of the trapezoidal support block is fixedly connected to the upper surface of the support table (1), a threaded extrusion rod (6) is fixedly connected to the output end of the motor 1 (3), the threaded extrusion rod (6) is rotatably connected to the inside of the feed barrel (4), a support frame (7) is fixedly connected to the upper surface of the support table (1), a mixing barrel (8) is fixedly connected to the inner wall of the support frame (7), a motor 2 (9) is fixedly connected to the upper surface of the mixing barrel (8), a transmission rod (10) is fixedly connected to the output end of the motor 2 (9), and a mixing and feeding assembly is arranged on the outer wall of the transmission rod (10).

2. The injection molding machine for processing modified plastics according to claim 1, characterized in that: The mixing and feeding assembly comprises a stirring roller (11), wherein the stirring roller (11) is fixedly connected to the outer wall of the transmission rod (10), and an auger blade (12) is fixedly connected to the outer wall of the transmission rod (10).

3. The injection molding machine for processing modified plastics according to claim 2, characterized in that: A fixing plate (13) is fixedly connected to the outlet of the feeding cylinder (4), and a dovetail groove (14) is provided inside the fixing plate (13).

4. The injection molding machine for processing modified plastics according to claim 3, characterized in that: A concave die (15) is slidably connected inside the fixed plate (13), and an outer wall of the concave die (15) is slidably connected to an inner wall of the dovetail groove (14).

5. The injection molding machine for processing modified plastics according to claim 4, characterized in that: A spring 1 (16) is fixedly connected inside the die (15), one end of the spring 1 (16) is fixedly connected to a protrusion (17), an outer wall of the protrusion (17) is slidably connected to the inner wall of the die (15), and one side of the outer wall of the protrusion (17) abuts against the inner wall of the dovetail groove (14).

6. The injection molding machine for processing modified plastics according to claim 5, characterized in that: A guard plate is fixedly connected to the upper surface of the support table (1), a plurality of hydraulic cylinders (18) are fixedly connected to one side of the inner wall of the guard plate, and a sliding plate (19) is fixedly connected to the output ends of the plurality of hydraulic cylinders (18).

7. The injection molding machine for processing modified plastics according to claim 6, characterized in that: A male die (20) is slidably connected inside the sliding plate (19), and the male die (20) is arranged on the side opposite to the female die (15).

8. The injection molding machine for processing modified plastics according to claim 7, characterized in that: A limiting rod (21) is fixedly connected to one side of the outer wall of the sliding plate (19), and a second spring (22) is sleeved on the outer wall of the limiting rod (21), one end of the second spring (22) is fixedly connected to one side of the sliding plate (19), and the other end of the second spring (22) is fixedly connected to one side of the inner wall of the guard plate.

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