Feeding and impurity removing mechanism of injection molding machine

By introducing dehumidification and impurity removal components into the injection molding machine, the problem of removing moisture and iron filings from plastic particles was solved, achieving an efficient impurity removal and drying process, and improving the quality and production efficiency of injection molded products.

CN223604742UActive Publication Date: 2025-11-28佛山市因信贵金属材料有限公司
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Patent Information

Application Number
CN202423211433.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-28
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing impurity removal mechanisms of injection molding machines cannot effectively remove moisture and iron filings from plastic granules, resulting in poor quality of injection molded products. Furthermore, cleaning impurities from the electromagnet is inconvenient and affects the impurity removal effect.

Method used

A feeding and impurity removal mechanism was designed, which includes a dehumidification mechanism and an impurity removal component. The mechanism uses a drive shaft to drive a lever to turn the plastic particles to increase the surface area for moisture evaporation and uses a heating rod to dry them. At the same time, a servo motor drives an electromagnet to rotate and attract metal impurities, automatically cleaning the impurities on the electromagnet.

Benefits of technology

It improves the dryness of plastic granules, reduces injection molding defects, ensures product quality, and enhances impurity removal efficiency and production efficiency through automatic cleaning electromagnets.

✦ Generated by Eureka AI based on patent content.

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Abstract

A feeding and impurity removing mechanism of an injection molding machine comprises a conveyor, a dehumidification mechanism and an impurity removing assembly, a discharging hopper is arranged at the upper end of the conveyor, the dehumidification mechanism is arranged on the right side of the discharging hopper, the dehumidification mechanism comprises two first fixing frames, and the two first fixing frames are fixedly connected to the two sides of a frame of the conveyor respectively; a second mounting frame is fixedly connected between the two first fixing frames, a transmission shaft is rotationally connected into the second mounting frame, and a plurality of shifting rods are fixedly connected to the outer side of the transmission shaft. By arranging the dehumidification mechanism, a transmission shaft rotates to drive a shifting rod to effectively turn plastic particles, the contact area of raw materials and hot air is greatly increased, rapid evaporation of moisture in the raw materials is promoted, the dehumidification effect is enhanced, the raw materials are dried through electric heating, and the drying efficiency is improved. The plastic particles are ensured to reach an ideal dry state before entering the injection molding machine, and the molding defects caused by water contained in the raw materials are effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine feed impurity removal technical field, concretely relates to a kind of injection molding machine's feed impurity removal mechanism. BACKGROUND

[0002] Injection molding machine is also named injection molding machine or injection machine.It is the main forming equipment of thermoplastic or thermosetting plastic into various shapes of plastic products using plastic forming mold, divided into vertical, horizontal, all-electric, injection molding machine can heat plastic, melt plastic is applied high pressure, so that it fills mold cavity, injection molding machine when using, need to deliver plastic granule raw material to the inside of injection molding machine, but part of plastic granule can contain impurities, such as iron filings, etc., in prior art, by impurity removal mechanism is pretreated, and impurities are removed, to ensure the quality of injection molding product.

[0003] But the moisture in the plastic granule in prior art also can affect injection molding product, easily lead to injection molding part bubble, shrinkage and other defects caused by moisture, but the impurity removal mechanism in prior art is not convenient for drying the moisture in the plastic granule, it is difficult to guarantee the quality of injection molding part, and in prior art, iron filings in plastic granule are removed by electromagnet, but in prior art, it is not convenient to automatically clean the impurities on electromagnet, after long time impurity removal of electromagnet, electromagnet will adsorb more iron filings, easily lead to the adsorption effect of electromagnet to be poor, thereby not conducive to subsequent impurity removal operation. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, provide a kind of injection molding machine's feed impurity removal mechanism, the technical scheme of the present application solves the above not convenient for drying the moisture in the plastic granule, not convenient for automatically cleaning the impurities on electromagnet.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of injection molding machine's feed impurity removal mechanism, including conveyer, dehumidification mechanism and impurity removal assembly, the upper end of the conveyer is provided with discharge hopper, the dehumidification mechanism is set to the right side of discharge hopper, the dehumidification mechanism includes two groups of first fixed frame, two groups of the first fixed frame are fixedly connected to the frame of conveyer two sides, two groups of the first fixed frame are fixedly connected with second mounting frame between, the inside of the second mounting frame is rotatably connected with transmission shaft, the outside of the transmission shaft is fixedly connected with several groups of shifter bar, the outside of the conveyer is installed with impurity removal assembly, the impurity removal assembly includes rotating shaft, the outside of the rotating shaft is fixedly connected with two groups of mounting rod, the end of the mounting rod is fixedly installed with electromagnet.

[0007] Preferably, two groups of the first mounting frames are fixedly connected between the two groups of the first fixing frames, two groups of the first mounting frames are respectively arranged on the two sides of the second mounting frame, and the inner side of the first mounting frame is fixedly connected with a plurality of groups of heating rods.

[0008] Preferably, a low-speed motor is fixedly installed on the outer side of the second mounting frame, and the output end of the low-speed motor is fixedly connected with the transmission shaft on the inner side of the second mounting frame.

[0009] Preferably, the impurity removing assembly further comprises a second fixing frame, the second fixing frame is fixedly connected to the right end of the frame of the conveyor, and the rotating shaft is rotatably connected to the upper end of the second fixing frame.

[0010] Preferably, a servo motor is fixedly installed on the lower end of the second fixing frame, the output end of the servo motor is fixedly connected with a driving gear on the upper end of the second fixing frame, and the outer side of the rotating shaft is fixedly connected with a driven gear meshing with the driving gear.

[0011] Preferably, the impurity removing assembly further comprises two groups of storage boxes, the two groups of storage boxes are respectively arranged on the left and right sides of the second fixing frame, and the storage boxes are fixedly connected to the front side of the frame of the conveyor.

[0012] Preferably, the left end of the frame of the conveyor is fixedly connected with a mounting frame, the discharge hopper is fixedly connected to the inner side of the mounting frame, the upper end of the frame of the conveyor is fixedly connected with a baffle, and the right end of the frame of the conveyor is fixedly connected with a discharging hopper.

[0013] Compared with the prior art, the beneficial effects of the utility model lie in that the dehumidification mechanism is arranged, the transmission shaft is rotated to drive the stirring rod to effectively stir the plastic particles, the contact area of the raw materials and the hot air is greatly increased, the rapid evaporation of the moisture in the raw materials is promoted, the dehumidification effect is strengthened, the raw materials are dried through electric heating, the plastic particles can reach the ideal dry state before entering the injection molding machine, the forming defects caused by the water content of the raw materials are effectively reduced, and the product quality is improved.

[0014] The electromagnetic iron is arranged, the metal impurities in the raw materials are accurately adsorbed, potential quality hidden dangers such as iron filings and screws are effectively removed, the rotating shaft and the electromagnetic iron are driven to rotate by the servo motor, the impurity removing process can be continuously carried out, meanwhile, the electromagnetic iron is rotated above the storage box and is powered off, the automatic cleaning and collection of the impurities are realized, manual intervention is not needed, and the production efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a dehumidification mechanism structure schematic view of the utility model;

[0017] Figure 3 It is the second installation frame, transmission shaft and the structure schematic diagram of the lever of the utility model;

[0018] Figure 4 It is the first installation frame and the structure schematic diagram of the heating rod of the utility model;

[0019] Figure 5 It is the structure schematic diagram of the impurity removal mechanism of the utility model.

[0020] The figure mark is:

[0021] 1, conveyor; 101, discharge hopper; 102, mounting bracket; 103, baffle; 104, lower hopper;

[0022] 2, dehumidification mechanism; 201, first fixed frame; 202, first installation frame; 203, second installation frame; 204, transmission shaft; 205, lever; 206, low-speed motor; 207, heating rod;

[0023] 3, impurity removal assembly; 301, second fixed frame; 302, storage box; 303, rotating shaft; 304, mounting rod; 305, electromagnet; 306, servo motor; 307, driving gear; 308, driven gear. DETAILED DESCRIPTION

[0024] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0025] Example 1

[0026] Please refer to Figures 1-5 The feeding impurity removal mechanism of the injection molding machine, including conveyor 1, dehumidification mechanism 2 and impurity removal assembly 3, the upper end of conveyor 1 is provided with discharge hopper 101, dehumidification mechanism 2 is arranged at the right side of discharge hopper 101, dehumidification mechanism 2 includes two groups of first fixed frame 201, two groups of first fixed frame 201 are fixedly connected to the frame of conveyor 1 on both sides, two groups of first fixed frame 201 are fixedly connected with second installation frame 203, transmission shaft 204 is rotatably connected in the inside of second installation frame 203, a plurality of groups of levers 205 are fixedly connected to the outside of transmission shaft 204, conveyor 1 is provided with impurity removal assembly 3 on the outside, impurity removal assembly 3 includes rotating shaft 303, two groups of mounting rods 304 are fixedly connected to the outside of rotating shaft 303, electromagnets 305 are fixedly installed at the end of mounting rod 304.

[0027] In the scheme, the discharge hopper 101 stores the plastic particle raw materials, and then the raw materials are conveyed to the right by the conveyor 1, ready to enter the subsequent dehumidification and impurity removal steps. The stirring rod 205 is turned over with the rotation of the transmission shaft 204, increasing the contact area of the raw materials and air, promoting the evaporation of moisture in the raw materials, and helping to reduce the molding defects caused by water content in the raw materials during injection molding;

[0028] Further, the dehumidified raw materials continue to be conveyed and decontaminated by the decontamination assembly 3. When the raw materials pass through, the electromagnet 305 is powered on and started, using its magnetic attraction to attract metal impurities such as iron filings, screws, etc. in the raw materials. The shaft 303 can drive the two groups of electromagnets 305 to rotate. When it is necessary to clean the iron impurities on the surface of the electromagnet 305, one group of electromagnets 305 moves the adsorbed impurities to a specific position with the rotation of the shaft 303, and is powered off to close, so that the impurities on the surface of the electromagnet 305 automatically fall off, realizing automatic cleaning.

[0029] Further, while one group of electromagnets 305 rotates for cleaning, the other group of electromagnets 305 rotates above the conveyor 1 to continue the decontamination operation without stopping.

[0030] Please refer to Figures 2-4 As shown in the figure, two groups of first mounting frames 202 are fixedly connected between the two groups of first fixed frames 201, and the two groups of first mounting frames 202 are respectively arranged on the two sides of the second mounting frame 203, and the inner side of the first mounting frame 202 is fixedly connected with a plurality of groups of heating rods 207.

[0031] The outer side of the second mounting frame 203 is fixedly installed with a low-speed motor 206, and the output end of the low-speed motor 206 extends to the inner side of the second mounting frame 203 and is fixedly connected with the transmission shaft 204.

[0032] Further, the low-speed motor 206 is electrically connected with an external power supply, and the low-speed motor 206 can drive the transmission shaft 204 to rotate;

[0033] Further, the heating rod 207 is electrically connected with an external power supply, and the heating rod 207 can be heated to dry the plastic particles on the conveyor 1, and the transmission shaft 204 drives the stirring rod 205 to rotate to stir the plastic particles, so that the lower plastic particles can be stirred to the upper side to be dried by the right heating rod 207, improving the drying effect of the plastic particles.

[0034] Please refer to Figure 5 As shown in the figure, the decontamination assembly 3 further includes a second fixed frame 301, and the second fixed frame 301 is fixedly connected to the right end of the frame of the conveyor 1. The rotating shaft 303 is rotatably connected to the upper end of the second fixed frame 301.

[0035] The lower end of the second fixing frame 301 is fixedly provided with a servo motor 306, and the output end of the servo motor 306 extends to the upper end of the second fixing frame 301 and is fixedly connected with a driving gear 307.

[0036] The impurity removing assembly 3 further comprises two groups of storage boxes 302, which are arranged on the left and right sides of the second fixing frame 301 and are fixedly connected to the front side of the frame of the conveyor 1.

[0037] Further, the servo motor 306 is electrically connected with an external power supply, and the servo motor 306 can drive the driving gear 307 to rotate, so as to drive the rotating shaft 303 and the electromagnet 305 to rotate through the driven gear 308.

[0038] Further, the electromagnet 305 rotates to the upper side of the storage box 302 to perform the cleaning operation.

[0039] Please refer to Figure 1 The left end of the frame of the conveyor 1 is fixedly connected with a mounting frame 102, the discharge hopper 101 is fixedly connected to the inner side of the mounting frame 102, the upper end of the frame of the conveyor 1 is fixedly connected with a baffle 103, and the right end of the frame of the conveyor 1 is fixedly connected with a lower hopper 104.

[0040] Further, the baffle 103 can prevent the plastic particles from falling from the left and right sides of the conveyor 1, and the plastic particles after the pretreatment are conveyed to the lower hopper 104 and then to the inside of the injection molding machine.

[0041] The working principle and use process of the utility model are as follows: firstly, the plastic particle raw material falls from the discharge hopper 101 to the upper end of the conveyor 1 and moves to the right through the transmission of the conveyor 1, and is ready to enter the subsequent dehumidification and impurity removing steps, the raw material passes through the dehumidification mechanism 2, the low-speed motor 206 is started to drive the transmission shaft 204 to rotate, the raw material is turned over by the lever 205, the contact area between the raw material and the air is increased, at the same time, the heating rod 207 is electrified and heated, the raw material is dried and dehumidified, then the raw material is continuously conveyed to the impurity removing assembly 3, the electromagnet 305 is electrified and started to adsorb the metal impurities in the raw material, the servo motor 306 drives the driving gear 307 to rotate, the rotating shaft 303 and the electromagnet 305 are driven to rotate through the driven gear 308, when one of the electromagnets 305 rotates to a specific position, the magnetism is turned off to make the impurities automatically fall into the storage box 302, at the same time, the other electromagnet 305 continues to perform the impurity removing operation, and the plastic particles after the dehumidification and impurity removing treatment are conveyed to the lower hopper 104 and then to the inside of the injection molding machine.

[0042] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A feed decontamination mechanism of an injection molding machine, comprising a conveyor (1), a dehumidification mechanism (2) and a decontamination assembly (3), characterized in that: The upper end of the conveyor (1) is provided with a discharge hopper (101), the dehumidification mechanism (2) is arranged on the right side of the discharge hopper (101), the dehumidification mechanism (2) comprises two groups of first fixed frames (201), two groups of the first fixed frames (201) are fixedly connected to the two sides of the frame of the conveyor (1), two groups of the first fixed frames (201) are fixedly connected with a second mounting frame (203), the inside of the second mounting frame (203) is rotatably connected with a transmission shaft (204), the outside of the transmission shaft (204) is fixedly connected with a plurality of groups of stirring rods (205), the outside of the conveyor (1) is provided with a impurity removing assembly (3), the impurity removing assembly (3) comprises a rotating shaft (303), the outside of the rotating shaft (303) is fixedly connected with two groups of mounting rods (304), the ends of the mounting rods (304) are fixedly connected with electromagnets (305).

2. The material decontamination mechanism of an injection molding machine according to claim 1, characterized in that: Two groups of the first fixed frames (201) are fixedly connected with two groups of first mounting frames (202), two groups of the first mounting frames (202) are arranged on the two sides of the second mounting frame (203), and the inside of the first mounting frame (202) is fixedly connected with a plurality of groups of heating rods (207).

3. The material decontamination mechanism of claim 1, wherein: The outside of the second mounting frame (203) is fixedly connected with a low-speed motor (206), and the output end of the low-speed motor (206) extends to the inside of the second mounting frame (203) and is fixedly connected with the transmission shaft (204).

4. The material decontamination mechanism of claim 1, wherein: The impurity removing assembly (3) further comprises a second fixed frame (301), the second fixed frame (301) is fixedly connected to the right end of the frame of the conveyor (1), and the rotating shaft (303) is rotatably connected to the upper end of the second fixed frame (301).

5. The material decontamination mechanism of claim 4, wherein: The lower end of the second fixed frame (301) is fixedly connected with a servo motor (306), the output end of the servo motor (306) extends to the upper end of the second fixed frame (301) and is fixedly connected with a driving gear (307), and the outside of the rotating shaft (303) is fixedly connected with a driven gear (308) meshing with the driving gear (307).

6. The feedstock decontamination mechanism of claim 4, wherein: The impurity removing assembly (3) further comprises two groups of storage boxes (302), two groups of the storage boxes (302) are arranged on the left and right sides of the second fixed frame (301), and the storage boxes (302) are fixedly connected to the front side of the frame of the conveyor (1).

7. The feedstock decontamination mechanism of claim 1, wherein: The left end of the frame of the conveyor (1) is fixedly connected with a mounting frame (102), the inside of the mounting frame (102) is fixedly connected with the discharge hopper (101), the upper end of the frame of the conveyor (1) is fixedly connected with a baffle (103), and the right end of the frame of the conveyor (1) is fixedly connected with a discharge hopper (104).