Auxiliary feeding device of injection molding machine

By designing the lift-driven mobile rack and automatic loading device for the hopper, the handling inconvenience and dyeing problems caused by the inlet position of the injection molding machine are solved, and the automatic loading and cleaning are achieved is achieved, and the product quality is ensured.

CN223186872UActive Publication Date: 2025-08-05JIEYANG WEISU PLASTIC IND CO LTD
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Patent Information

Application Number
CN202421572126.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-04
Publication Date
2025-08-05
Estimated Expiration
2034-07-04

AI Technical Summary

Technical Problem

The inlet port of the existing injection molding machine is set on the top, which leads to inconvenient transportation of raw materials and is difficult to clean the pipeline when replacing raw materials of different colors, which can easily lead to product dyeing and affect quality.

Method used

An auxiliary feeding device including a base, a lifting rack, a moving rack and a hopper are designed. The moving rack and a hopper are driven to move to the inlet of the injection molding machine through a sprocket chain. The closing component is used to control the opening of the discharge port to achieve automatic feeding, simplifying the operation process and preventing raw material dyeing.

Benefits of technology

The injection molding machine without manual handling of raw materials is realized, the operation process is simplified, the product quality is ensured, and the hopper is placed for easy cleaning, avoiding raw material dyeing.

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Abstract

The utility model discloses an auxiliary feeding device of an injection molding machine, which belongs to the technical field of medical product manufacturing and comprises a base, an inclined lifting frame is fixedly mounted at the top of the base, a moving frame is slidably connected onto the lifting frame, the lifting frame can drive the moving frame to move through a chain wheel and a chain, and a placing table is fixedly mounted at the top of the base. The movable frame is connected with a discharging hopper through a connecting assembly, a discharging opening is formed in the bottom of the discharging hopper, and a closing assembly is arranged on the discharging opening. According to the mode, the chain wheels and the chain on the lifting frame drive the moving frame to move and rise, the moving frame drives the discharging hopper to reach the raw material inlet of the injection molding machine and controls the closing assembly of the discharging opening to open the discharging opening, so that raw materials fall into the raw material inlet of the injection molding machine, feeding operation is achieved, and the operation process is simplified; the raw materials do not need to be manually carried up and down.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical product manufacturing, in particular to an auxiliary feeding device for an injection molding machine. Background Art

[0002] When manufacturing syringe caps, an injection molding machine is used. Uniform granular materials are placed in the injection molding machine, and the materials are injection-molded in the mold after being hot-melted.

[0003] Chinese patent CN217993298U discloses an injection molding machine feeding auxiliary device, including a main body, a hopper installed on the top of the main body, a mounting plate fixedly connected to the bottom of the hopper, a pedal provided on the surface of the mounting plate, a mounting block fixedly connected to the hopper, a gear movably connected to the mounting block via a rotating shaft, and a drive rack provided on one side of the gear.

[0004] However, the existing devices still have the following problems. The feed port of some injection molding machines is set at the top of the injection molding machine. When adding raw materials, people need to climb up and then pour the raw materials into the injection molding machine, which makes the transportation process more troublesome. If pipe feeding is used, when changing raw materials of different colors, the inner wall of the pipe is inconvenient to clean, which will stain the subsequent raw materials and reduce product quality.

[0005] Based on this, the utility model designs an auxiliary feeding device for an injection molding machine to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an auxiliary feeding device for an injection molding machine.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An auxiliary feeding device for an injection molding machine comprises a base, and a tilted lifting frame is fixedly mounted on the top of the base;

[0009] The lifting frame is slidably connected to a moving frame, and the lifting frame drives the moving frame to move via a sprocket chain;

[0010] A placement table is fixedly installed on the top of the base;

[0011] The movable frame is connected to a discharge hopper via a connecting assembly, a discharge port is provided at the bottom of the discharge hopper, and a closing assembly is provided on the discharge port;

[0012] The top of the lifting frame is supported by a supporting assembly.

[0013] Furthermore, the connecting assembly includes a connecting rod and a material rod, the connecting rod is fixedly installed inside the movable frame, and the material rod is fixedly installed inside the discharge hopper.

[0014] Furthermore, the left end of the connecting rod passes through the movable frame and extends to the left outer side of the movable frame, and the right end of the material rod passes through the discharge hopper and extends to the right outer side of the discharge hopper and is fixedly connected to the left end of the connecting rod.

[0015] Furthermore, grooves are provided on both sides of the top surface of the lifting frame, and rollers are rotatably connected to the outer walls of both sides of the movable frame, and the rollers roll on the grooves.

[0016] Furthermore, the support assembly includes a support rod and an extension rod, the top of the support rod is fixedly connected to the bottom surface of the lifting frame, the bottom end of the extension rod is fixedly installed on the table of the injection molding machine, and the bottom end of the support rod is rotatably connected to the top end of the extension rod.

[0017] Furthermore, the closing assembly includes a cylinder and a baffle. The cylinder is fixedly mounted on the rear side wall of the discharge port of the discharge hopper. The baffle is arranged in a sliding connection in the discharge port of the discharge hopper. The baffle is fixedly connected to the output end of the cylinder.

[0018] The utility model has the following technical effects:

[0019] 1. In the utility model, the sprocket chain on the lifting frame drives the mobile frame to move up, and the mobile frame drives the discharge hopper to the raw material inlet of the injection molding machine. The closing component of the discharge port is controlled to open the discharge port, so that the raw materials fall into the raw material inlet of the injection molding machine, realizing the loading operation, simplifying the operation process, eliminating the need for manual handling of raw materials in and out of the injection molding machine, and the discharge hopper is easy to clean, and the raw materials will not be stained, thereby ensuring the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0021] Figure 1 This is a three-dimensional diagram of the auxiliary feeding device of the injection molding machine of the present invention;

[0022] Figure 2 This is a front view of the auxiliary feeding device for the injection molding machine of the present invention;

[0023] Figure 3 This is a left side view of the auxiliary feeding device for the injection molding machine of the present invention;

[0024] Figure 4 This is a partial structural perspective diagram of the auxiliary feeding device of the injection molding machine of the present invention;

[0025] Figure 5 This is a bottom view schematic diagram of the discharge hopper of the auxiliary feeding device of the injection molding machine of the present invention.

[0026] The numbers in the figure represent:

[0027] 1. Base; 2. Placement table; 3. Lifting frame; 4. Mobile frame; 5. Connecting assembly; 51. Connecting rod; 52. Material rod; 6. Discharging hopper; 7. Support assembly; 71. Support rod; 72. Extension rod; 14. Cylinder; 15. Baffle. DETAILED DESCRIPTION

[0028] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0029] The present invention will be further described below with reference to the embodiments.

[0030] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0031] Example 1

[0032] Please refer to the instruction manual Figure 1-5 An auxiliary loading device for an injection molding machine includes a base 1, a tilted lifting frame 3 fixedly mounted on the top of the base 1, a movable frame 4 slidably connected to the lifting frame 3, and the lifting frame 3 can drive the movable frame 4 to move via a sprocket chain. A placement table 2 is fixedly mounted on the top of the base 1, and the movable frame 4 is connected to a discharge hopper 6 via a connecting assembly 5. The discharge hopper 6 has a discharge port at the bottom, and a closing assembly is provided on the discharge port. The top of the lifting frame 3 is supported by a support assembly 7. The sprocket on the lifting frame 3 is driven to rotate by an external motor. The discharge hopper 6 is in contact with the placement table 2, and the placement table 2 provides support and blocking for the discharge hopper 6.

[0033] When the utility model is in use, the discharge port at the bottom of the discharge hopper 6 is closed, the raw materials are poured into the discharge hopper 6, the sprocket chain on the lifting frame 3 is started to drive the movable frame 4 to move up, and then the discharge hopper 6 reaches above the raw material inlet of the injection molding machine, and the closing component of the discharge port is controlled to open the discharge port, so that the raw materials fall into the raw material inlet of the injection molding machine, realizing the loading operation, simplifying the operation process, eliminating the need for manual transportation of raw materials on and off the injection molding machine, and preventing the raw materials from being stained, thereby ensuring the quality of the product.

[0034] Example 2

[0035] like Figure 1-5 As shown, as a preferred embodiment of the present invention, the connecting assembly 5 includes a connecting rod 51 and a material rod 52. The connecting rod 51 is fixedly installed inside the mobile frame 4, and the material rod 52 is fixedly installed inside the hopper 6.

[0036] The left end of the connecting rod 51 passes through the movable frame 4 and extends to the left outer side of the movable frame 4. The right end of the material rod 52 passes through the discharge hopper 6 and extends to the right outer side of the discharge hopper 6 and is fixedly connected to the left end of the connecting rod 51.

[0037] Preferably, grooves are provided on both sides of the top surface of the lifting frame 3, and rollers are rotatably connected to the outer walls of both sides of the moving frame 4, and the rollers roll on the grooves.

[0038] The support assembly 7 includes a support rod 71 and an extension rod 72. The top of the support rod 71 is fixedly connected to the bottom surface of the lifting frame 3, and the bottom end of the extension rod 72 is fixedly installed on the table of the injection molding machine. The bottom end of the support rod 71 is rotatably connected to the top end of the extension rod 72.

[0039] The closing assembly includes a cylinder 14 and a baffle 15. The cylinder 14 is fixedly mounted on the rear side wall of the discharge port of the discharge hopper 6. The baffle 15 is arranged in a sliding connection in the discharge port of the discharge hopper 6. The baffle 15 is fixedly connected to the output end of the cylinder 14.

[0040] When the utility model is in use, when the lifting frame 3 drives the moving frame 4 to rise, since the moving frame 4 is connected to the discharge hopper 6 through the connecting rod 51 and the material rod 52, the discharge hopper 6 will also move when the moving frame 4 moves; when the moving frame 4 ascends to the top of the lifting frame 3, the discharge port of the discharge hopper 6 is aligned with the feed port of the injection molding machine, and at this time, the cylinder 14 is started to control the baffle 15 to move toward the front side of the discharge hopper 6, the discharge port of the discharge hopper 6 is opened, and the raw material will enter the feed port of the injection molding machine along the discharge port, thereby realizing the feeding operation, which is simple and stable to operate.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An auxiliary feeding device for an injection molding machine, comprising a base (1), characterized in that: An inclined lifting frame (3) is fixedly mounted on the top of the base (1); The lifting frame (3) is slidably connected to a moving frame (4), and the lifting frame (3) can drive the moving frame (4) to move via a sprocket chain; A placement table (2) is fixedly mounted on the top of the base (1); The movable frame (4) is connected to a discharge hopper (6) via a connecting assembly (5); a discharge port is provided at the bottom of the discharge hopper (6), and a closing assembly is provided on the discharge port; The top of the lifting frame (3) is supported by a supporting assembly (7).

2. The auxiliary feeding device for injection molding machine according to claim 1, characterized in that: The connecting assembly (5) comprises a connecting rod (51) and a material rod (52), wherein the connecting rod (51) is fixedly mounted inside the movable frame (4), and the material rod (52) is fixedly mounted inside the discharge hopper (6).

3. The auxiliary feeding device for injection molding machine according to claim 2, characterized in that: The left end of the connecting rod (51) passes through the movable frame (4) and extends to the left outer side of the movable frame (4); the right end of the material rod (52) passes through the discharge hopper (6) and extends to the right outer side of the discharge hopper (6) and is fixedly connected to the left end of the connecting rod (51).

4. The auxiliary feeding device for injection molding machine according to claim 1, characterized in that: Grooves are provided on both sides of the top surface of the lifting frame (3), and rollers are rotatably connected to the outer walls of both sides of the moving frame (4), and the rollers roll on the grooves.

5. The auxiliary feeding device for injection molding machine according to claim 1, characterized in that: The support assembly (7) comprises a support rod (71) and an extension rod (72), the top of the support rod (71) is fixedly connected to the bottom surface of the lifting frame (3), the bottom end of the extension rod (72) is fixedly installed on the table of the injection molding machine, and the bottom end of the support rod (71) is rotatably connected to the top end of the extension rod (72).

6. The auxiliary feeding device for injection molding machine according to claim 1, characterized in that: The closing assembly comprises a cylinder (14) and a baffle (15), wherein the cylinder (14) is fixedly mounted on the rear side wall of the discharge port of the discharge hopper (6), and the baffle (15) is arranged in a sliding connection in the discharge port of the discharge hopper (6), and the baffle (15) is fixedly connected to the output end of the cylinder (14).

Citation Information

Patent Citations

  • Feeding auxiliary device of injection molding machine

    CN217993298U