Feeding mechanism of injection molding machine

By designing the breaking box and quantitative feeding mechanism of the injection molding machine feeding mechanism, the problems of blockage and uneven melting of plastic particles are solved, and the full breakage and quantitative feeding of plastic particles are achieved, which improves the melt quality and product performance of the injection molding machine.

CN223199415UActive Publication Date: 2025-08-08HUBEI JIANRONG PLASTICS CO LTD
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Patent Information

Application Number
CN202420694921.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-08-08
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing injection molding machine feeding mechanism cannot effectively disperse the plastic particles, resulting in blockage and uneven melting, affecting the quality and performance of the product.

Method used

A feeding mechanism of the injection molding machine including a breaking box, a heating sheet, a breaking mechanism and a quantitative feeding mechanism is designed. The sliding column and a rotating column are driven by an electric push rod and a motor to fully break and quantitative feeding of the plastic particles.

Benefits of technology

Ensure that plastic particles enter the injection molding machine smoothly, avoid clogging, achieve uniform melting, and improve product quality and performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223199415U_ABST
Patent Text Reader

Abstract

The utility model provides an injection molding machine feeding mechanism which comprises a scattering box, heating sheets are arranged on the front inner wall and the rear inner wall of the scattering box, a feeding box is arranged at the lower end of the scattering box, the feeding box is communicated with the interior of the scattering box, a glass observation window is arranged in an installation opening formed in the front side face of the feeding box, and a scattering mechanism is arranged in the scattering box. And a quantitative feeding mechanism is arranged in the feeding box. According to the feeding mechanism of the injection molding machine, plastic particles can be fully scattered, the plastic particles can smoothly enter the injection molding machine, the blocking problem is avoided, the fully scattered plastic particles can be more uniformly melted, the uniform quality of plastic melt of the injection molding machine is ensured, and the quality and the performance of a final product are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding machine feeding mechanisms, in particular to an injection molding machine feeding mechanism. Background Art

[0002] An injection molding machine is a piece of machinery used in industrial manufacturing, primarily for molding plastic products. It injects molten plastic into a mold, cools it, and forms the desired plastic product. It's widely used in the production of automotive, home appliance, packaging, medical devices, and many other fields. The injection molding machine's feed mechanism feeds plastic pellets into the machine for preheating and melting.

[0003] Existing injection molding machine feed mechanisms feed plastic pellets into a feed box. However, if the pellets are not sufficiently broken up, they can become clogged in the feed mechanism. This prevents the pellets from entering the injection unit, impacting the injection molding process and causing uneven melting. This leads to uneven plastic melt quality in the injection molding machine, impacting the quality and performance of the final product. Utility Model Content

[0004] In view of this, the utility model addresses the deficiencies of the existing technology and provides a feeding mechanism for an injection molding machine, which can fully break up the plastic particles, ensure that the plastic particles can smoothly enter the interior of the injection molding machine, avoid blockage problems, and the fully broken up plastic particles can be melted more evenly, ensuring the uniform quality of the plastic melt of the injection molding machine and improving the quality and performance of the final product.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a feeding mechanism of an injection molding machine, including a scattering box, heating plates are provided on the front and rear inner walls of the scattering box, a feeding box is provided at the lower end of the scattering box, the feeding box is connected to the interior of the scattering box, a glass observation window is provided in the installation opening opened on the front side of the feed box, a scattering mechanism is provided inside the scattering box, a quantitative feeding mechanism is provided inside the feed box, the scattering mechanism includes a connecting plate provided at the upper end of the interior of the scattering box, a guide column is provided at the lower end of the connecting plate, a scattering frame is slidably connected to the outer arc surface of the guide column, and two rotating seats corresponding to the left and right positions are provided at the upper end of the scattering frame, the interiors of the two rotating seats are rotatably connected to the connecting frame, and the left and right sides of the scattering box slide respectively It is connected to a sliding column, and a rotating frame is provided on the relative inner ends of the two sliding columns. The upper ends of the two connecting frames are respectively rotatably connected to the adjacent rotating frames. An electric drive unit 1 for driving the sliding column to move is respectively provided on the left and right sides of the scattering box. The electric drive unit 1 includes electric push rods respectively arranged on the left and right sides of the scattering box through the mounting frame, and the telescopic ends of the two electric push rods are respectively connected to the outer ends of the adjacent sliding columns. The feeding mechanism includes a rotating column rotatably arranged inside the feed box, and four material plates are provided on the outer arc surface of the rotating column. An electric drive unit 2 for driving the rotating column to rotate is provided on the right side of the feed box. The electric drive unit 2 includes a motor arranged on the right side of the feed box, and the output shaft of the motor is connected to the right end of the rotating column through a coupling.

[0006] As a further improvement of the present invention, a control panel is provided on the front side of the scattering box, and the electric push rod, the motor and the heating plate are all electrically connected to the control panel.

[0007] As a further improvement of the present invention, mounting plates are welded and fixed to the left and right sides of the feed box respectively, and a plurality of mounting holes are provided inside the two mounting plates.

[0008] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0009] First, by installing the feed box on the feed port of the injection molding machine, and then adding plastic particles into the feed box, and then controlling the electric push rod to operate, the telescopic end drives the sliding columns on both sides to move away from or closer to each other, so that the connecting frame inside the rotating frame on the sliding column rotates to expand or contract, and then the scrambler on the rotating seat slides up and down under the restriction of the guide column to break up the agglomerated plastic particles. The plastic particles can be fully broken up, ensuring that the plastic particles can smoothly enter the injection molding machine to avoid blockage problems. The fully broken up plastic particles can be melted more evenly, ensuring the uniform quality of the plastic melt of the injection molding machine, and improving the quality and performance of the final product.

[0010] Secondly, the heating plate can be turned on and off through the control panel to preheat the plastic particles and facilitate subsequent injection molding.

[0011] Third, by controlling the motor to run, the output shaft rotates to drive the four material plates on the rotating column to rotate, and the broken plastic particles can be quantitatively dropped into the interior of the injection molding machine, realizing quantitative feeding of the injection molding machine and facilitating subsequent injection molding.

[0012] Fourthly, the feeding mechanism can be installed through the mounting holes on the mounting plate, which makes it convenient for personnel to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a front cross-sectional structural diagram of the present invention;

[0016] Figure 3 This is an enlarged structural diagram of point A of the present utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the right side of the feed box of the present invention.

[0018] In the figure: 101, scattering box; 102, heating plate; 103, feed box; 104, mounting plate; 105, mounting hole; 201, connecting plate; 202, electric push rod; 203, guide column; 204, rotating frame; 205, connecting frame; 206, rotating seat; 207, sliding column; 208, scattering frame; 301, motor; 302, material plate; 303, rotating column; 401, control panel. DETAILED DESCRIPTION

[0019] To better understand the present invention, the following examples further illustrate the present invention. However, the present invention is not limited to the following examples. In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be practiced without one or more of these details.

[0020] like Figure 1 、 2 As shown in Figures 3 and 4, a feeding mechanism of an injection molding machine includes a scattering box 101. Heating plates 102 are provided on the front and rear inner walls of the scattering box 101. A feeding box 103 is provided at the lower end of the scattering box 101. The feeding box 103 is connected to the interior of the scattering box 101. A glass observation window is provided in the installation opening opened on the front side of the feeding box 103. A scattering mechanism is provided inside the scattering box 101, and a quantitative feeding mechanism is provided inside the feeding box.

[0021] like Figure 1 、 2 As shown in , 3 and 4, the breaking mechanism includes a connecting plate 201 arranged at the upper end of the inside of the breaking box 101, a guide column 203 is provided at the lower end of the connecting plate 201, and a breaking frame 208 is slidably connected to the outer arc surface of the guide column 203, and the upper end of the breaking frame 208 is provided with two rotating seats 206 corresponding to the left and right positions, and the interiors of the two rotating seats 206 are rotatably connected to the connecting frame 205, and the left and right sides of the breaking box 101 are respectively slidably connected with sliding columns 207, and the opposite inner ends of the two sliding columns 207 are respectively provided with a rotating frame 204, and the upper ends of the two connecting frames 205 are respectively rotatably connected to the adjacent rotating frames 204. An electric drive unit 1 is provided for driving the sliding column 207 to move. The electric drive unit 1 includes electric push rods 202 respectively arranged on the left and right sides of the scattering box 101 through a mounting frame. The telescopic ends of the two electric push rods 202 are respectively connected to the outer ends of adjacent sliding columns 207. The feeding mechanism includes a rotating column 303 rotatably arranged inside the feeding box 103. Four material plates 302 are arranged on the outer arc surface of the rotating column 303. An electric drive unit 2 is provided on the right side of the feeding box 103 to drive the rotating column 303 to rotate. The electric drive unit 2 includes a motor 301 arranged on the right side of the feeding box 103. The output shaft of the motor 301 is connected to the right end of the rotating column 303 through a coupling.

[0022] like Figure 1 As shown, a control panel 401 is provided on the front side of the scattering box 101 , and the electric push rod 202 , the motor 301 and the heating plate 102 are all electrically connected to the control panel 401 .

[0023] By installing the feed box 103 on the feed port of the injection molding machine, the plastic particles are then added to the inside of the feed box 103, and then the control panel 401 is used to control the electric push rod 202 to be turned on for operation. The telescopic end drives the sliding columns 207 on both sides to move away from or approach each other, so that the connecting frame 205 inside the rotating frame 204 on the sliding column 207 rotates to expand or contract, thereby causing the scattering frame 208 on the rotating seat 206 to slide up and down under the restriction of the guide column 203 to break up the agglomerated plastic particles. At the same time, the heating plate 102 can be turned on for operation by controlling the control panel 401 to preheat the plastic particles, which is convenient for subsequent injection molding. The scattered plastic particles fall into the inside of the feed box 103, and then the control panel 401 is used to control the motor 301 to be turned on for operation. The output shaft rotates to drive the four material plates 302 on the rotating column 303 to rotate, so that the scattered plastic particles can be quantitatively dropped into the interior of the injection molding machine, thereby realizing quantitative feeding of the injection molding machine.

[0024] According to another embodiment of the present invention, Figure 1 、 2As shown, mounting plates 104 are welded and fixed to the left and right sides of the feed box 103 respectively. Multiple mounting holes 105 are opened inside the two mounting plates 104, and the feeding mechanism can be installed through the mounting holes 105 on the mounting plates 104.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A feeding mechanism for an injection molding machine, comprising a breaking box (101), characterized in that: Heating plates (102) are provided on the front and rear inner walls of the scattering box (101), a feed box (103) is provided at the lower end of the scattering box (101), the feed box (103) is communicated with the interior of the scattering box (101), a glass observation window is provided in the installation opening opened on the front side of the feed box (103), a scattering mechanism is provided inside the scattering box (101), and a quantitative feeding mechanism is provided inside the feed box (103).

2. The feeding mechanism of an injection molding machine according to claim 1, wherein: The disintegration mechanism comprises a connecting plate (201) arranged at the upper end of the inner part of the disintegration box (101), a guide column (203) is arranged at the lower end of the connecting plate (201), a disintegration frame (208) is slidably connected to the outer arc surface of the guide column (203), the upper end of the disintegration frame (208) is provided with two rotating seats (206) corresponding to the left and right positions, the interiors of the two rotating seats (206) are both rotatably connected to the connecting frame (205), the left and right sides of the disintegration box (101) are respectively slidably connected to the sliding columns (207), the opposite inner ends of the two sliding columns (207) are respectively provided with rotating frames (204), the upper ends of the two connecting frames (205) are respectively rotatably connected to the interiors of adjacent rotating frames (204), and the left and right sides of the disintegration box (101) are respectively provided with an electric drive unit 1 for driving the sliding columns (207) to move.

3. The feeding mechanism of an injection molding machine according to claim 2, characterized in that: The electric drive unit 1 comprises electric push rods (202) respectively arranged on the left and right sides of the scattering box (101) through a mounting frame, and the telescopic ends of the two electric push rods (202) are respectively connected to the outer ends of adjacent sliding columns (207).

4. The feeding mechanism of an injection molding machine according to claim 3, wherein: The feeding mechanism includes a rotating column (303) rotatably arranged inside a feeding box (103), four material plates (302) are arranged on the outer arc surface of the rotating column (303), and an electric drive unit 2 for driving the rotating column (303) to rotate is arranged on the right side of the feeding box (103).

5. The feeding mechanism of an injection molding machine according to claim 4, characterized in that: The second electric drive unit comprises a motor (301) arranged on the right side of the feed box (103), and the output shaft of the motor (301) is connected to the right end of the rotating column (303) through a coupling.

6. The feeding mechanism of an injection molding machine according to claim 1, wherein: Mounting plates (104) are welded and fixed to the left and right sides of the feed box (103), and a plurality of mounting holes (105) are provided inside the two mounting plates (104).

7. The feeding mechanism of an injection molding machine according to claim 5, characterized in that: A control panel (401) is provided on the front side of the scattering box (101), and the electric push rod (202), the motor (301) and the heating plate (102) are all electrically connected to the control panel (401).