Environment-friendly refrigerator accessory injection molding equipment

By introducing a hydraulic cylinder and pneumatic cylinder driven collection mechanism into the refrigerator parts injection molding equipment, the problem of manual removal of injection molded parts has been solved, realizing automated and rapid collection of injection molded parts, improving production efficiency and equipment practicality.

CN223989723UActive Publication Date: 2026-03-13熊波
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

In existing refrigerator parts injection molding equipment, workers need to manually remove the molded parts after they are ejected during the production process, resulting in low production efficiency, inability to collect them quickly, and reduced equipment practicality.

Method used

An environmentally friendly refrigerator parts injection molding equipment was designed, which adopts a collection mechanism driven by hydraulic cylinders and air cylinders. The hydraulic cylinders drive the upper mold to move and the air cylinders drive the lower mold to rotate. Combined with the sliding of the fixed column and ejector pin, the injection molded parts are automatically and quickly collected, and buffered and protected by the collection frame and rubber pads.

Benefits of technology

It enables automated and rapid collection of injection molded parts, improves production efficiency, reduces manual operation, ensures the accuracy and stability of mold closing and opening, and enhances the practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223989723U_ABST
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Abstract

The utility model relates to the technical field of refrigerator accessory machining, and discloses environment-friendly refrigerator accessory injection molding equipment which comprises a base, a supporting frame is fixedly connected to the top of the base, a hydraulic oil cylinder is fixedly connected into the supporting frame, and an upper mold is fixedly connected to the bottom of the hydraulic oil cylinder. And a connecting pipe is fixedly connected to the interior of the upper mold. A connecting block is driven by an air cylinder to retract, the connecting block drives a connecting base to move, the connecting base drives a lower die to rotate downwards with a fixed base as a fulcrum, in the rotating process of the lower die, a fixed rod makes contact with a movable plate and pushes the movable plate, the movable plate drives a fixed column and an ejector pin to slide in the lower die, and the fixed column extrudes a second spring; and the ejector pin ejects the injection molding parts out, and the ejected injection molding parts slide to a collecting frame along the lower mold, so that the injection molding parts can be quickly collected, the injection molding parts do not need to be manually taken out from the lower mold one by one, and the practicability of the refrigerator accessory injection molding equipment is improved.
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Description

Technical Field

[0001] This utility model relates to the field of refrigerator parts processing technology, specifically to an environmentally friendly refrigerator parts injection molding equipment. Background Technology

[0002] The materials used in the injection molding process for refrigerator parts mainly include polystyrene (PS), polypropylene (PP), acrylonitrile-butadiene-styrene (ABS), and polyethylene (PE). The selection of these materials is based on the product's intended use and performance requirements. Taking refrigerator door handles as an example, ABS material is chosen, and a hot runner system is employed. By using appropriate injection temperature, pressure, and speed parameters, door handles with high strength, high toughness, and an attractive appearance can be produced. This process is characterized by high efficiency and stability and can be widely applied in the production of various refrigerator parts.

[0003] In the existing refrigerator parts injection molding equipment, the stamped injection parts are generally ejected through the ejection mechanism inside the mold. However, after the parts are ejected, workers need to remove them one by one from the lower mold, which makes it impossible to collect the injection parts quickly, thus reducing the practicality of the refrigerator parts injection molding equipment. Utility Model Content

[0004] To achieve the above objectives, this utility model proposes an environmentally friendly refrigerator parts injection molding equipment.

[0005] The technical solution of this utility model is implemented as follows: An environmentally friendly refrigerator parts injection molding equipment includes a base, a support frame fixedly connected to the top of the base, a hydraulic cylinder fixedly connected inside the support frame, an upper mold fixedly connected to the bottom of the hydraulic cylinder, a connecting pipe fixedly connected inside the upper mold, a collection mechanism for quickly collecting injection molded parts provided on the base, a fixed seat fixedly connected to the top of the base, a lower mold rotatably connected inside the fixed seat, a movable plate slidably connected inside the lower mold, a fixed column and an ejector pin fixedly connected to the top of the movable plate, a second spring sleeved on the rod of the fixed column, a support seat fixedly connected inside the base, the support seat hinged to a rotating block, a cylinder fixedly connected inside the rotating block, a connecting block fixedly connected to one end of the cylinder, a connecting seat fixedly connected to the bottom of the lower mold, and a fixed rod fixedly connected inside the base.

[0006] Preferably, the fixed column and ejector pin are slidably connected to the lower mold, and the second spring is fixedly connected to the lower mold.

[0007] Preferably, the connecting block is hinged to the connecting seat.

[0008] Preferably, the base is provided with a support mechanism for supporting the lower mold. A first support block is slidably connected to the top of the base, and a fixing block is fixedly connected to the top of the base. A first spring is fixedly connected to one side of the fixing block. A connecting rod is fixedly connected to one side of the upper mold. A push block is fixedly connected to the top of the connecting rod. A groove is formed on one side of the first support block, and an inclined groove is formed on the other side of the first support block. A slider is fixedly connected to the bottom of the first support block. A sliding groove is formed on the top of the base. A square groove is formed inside the sliding groove on the base. A second support block is fixedly connected to the base.

[0009] Preferably, the slider is T-shaped and is slidably connected to a groove on the base.

[0010] Preferably, the first spring is fixedly connected to the first support block, the push block is located directly above the inclined groove on the first support block and the groove above the base, and the bottom of the push block is an inclined surface.

[0011] Preferably, the base has a collection frame inside and is located below the lower mold, and the collection frame has a rubber pad inside.

[0012] This utility model has the following beneficial effects:

[0013] 1. This environmentally friendly refrigerator parts injection molding equipment uses a cylinder to retract a connecting block, which in turn moves a connecting seat. The connecting seat then causes the lower mold to rotate downwards around a fixed seat. During the rotation of the lower mold, a fixed rod contacts a moving plate and pushes it. The moving plate then causes a fixed column and an ejector pin to slide within the lower mold. The fixed column compresses a second spring, and the ejector pin pushes the injection molded part out. The ejected part slides down the lower mold into a collection frame, allowing for quick collection of the injection molded parts without requiring workers to remove them one by one from the lower mold. This improves the practicality of the refrigerator parts injection molding equipment.

[0014] 2. This environmentally friendly refrigerator parts injection molding equipment uses a hydraulic cylinder to extend the upper mold downwards. The upper mold then moves the connecting rod and the push block. The inclined surface on the push block presses against the inclined groove on the first support block, which in turn pushes the first support block to move. The first support block then stretches the first spring. When the upper mold and the lower mold are combined, the push block moves into the square groove on the base, and the side of the push block abuts against the first support block. At this time, the first support block moves to the bottom of the lower mold. In this way, the first support block supports the lower mold, ensuring the accuracy and stability of the upper and lower molds in various stages such as mold closing and mold opening. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2This is a schematic diagram showing the relevant positions of the fixing rod of this utility model;

[0017] Figure 3 This is a schematic diagram showing the relevant positions of the square groove in this utility model;

[0018] Figure 4 This is a schematic diagram showing the relevant positions of the cylinder in this utility model;

[0019] Figure 5 This is a schematic diagram showing the relevant positions of the ejector pin of this utility model;

[0020] Figure 6 This is a schematic diagram showing the relevant positions of the inclined groove in this utility model.

[0021] The following are the labeling elements in the figure:

[0022] 1. Base; 2. Support frame; 3. Hydraulic cylinder; 4. Upper mold; 5. Connecting pipe; 6. Support mechanism; 601. First support block; 602. First spring; 603. Connecting rod; 604. Push block; 605. Groove; 606. Inclined groove; 607. Sliding block; 608. Sliding groove; 609. Square groove; 7. Collecting mechanism; 701. Lower mold; 702. Moving plate; 703. Fixed column; 704. Second spring; 705. Ejector pin; 706. Fixed seat; 707. Support seat; 708. Rotating block; 709. Cylinder; 710. Connecting block; 711. Connecting seat; 712. Fixed rod; 8. Collecting frame; 9. Rubber pad; 10. Fixed block; 11. Second support block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-6As shown, the environmentally friendly refrigerator parts injection molding equipment provided in this embodiment includes a base 1, a support frame 2 fixedly connected to the top of the base 1, a hydraulic cylinder 3 fixedly connected inside the support frame 2, an upper mold 4 fixedly connected to the bottom of the hydraulic cylinder 3, a connecting pipe 5 fixedly connected inside the upper mold 4, a collection mechanism 7 for quickly collecting injection molded parts provided on the base 1, a fixed seat 706 fixedly connected to the top of the base 1, a lower mold 701 rotatably connected inside the fixed seat 706, a moving plate 702 slidably connected inside the lower mold 701, a fixed column 703 and an ejector pin 705 fixedly connected to the top of the moving plate 702, a second spring 704 sleeved on the rod of the fixed column 703, a support seat 707 fixedly connected inside the base 1, the support seat 707 is hinged to a rotating block 708, a cylinder 709 fixedly connected inside the rotating block 708, a connecting block 710 fixedly connected to one end of the cylinder 709, a connecting seat 711 fixedly connected to the bottom of the lower mold 701, and a fixed rod 712 fixedly connected inside the base 1.

[0025] Furthermore, the fixed column 703 and the ejector pin 705 are slidably connected to the lower mold 701, and the second spring 704 is fixedly connected to the lower mold 701.

[0026] By adopting the above technical solution, when the movable plate 702 is pushed by the fixed rod 712, the fixed post 703 on the movable plate 702 slides in the lower mold 701 and squeezes the second spring 704. The fixed post 703 will ensure that the movable plate 702 moves as a whole, and the movable plate 702 will drive the ejector pin 705 to push the injection molded part.

[0027] Furthermore, the connecting block 710 is hinged to the connecting seat 711.

[0028] By adopting the above technical solution, when the cylinder 709 retracts the connecting block 710, the connecting block 710 rotates on the connecting seat 711, and drives the lower mold 701 to rotate through the connecting seat 711.

[0029] Furthermore, the base 1 is provided with a support mechanism 6 for supporting the lower mold 701. A first support block 601 is slidably connected to the top of the base 1. A fixing block 10 is fixedly connected to the top of the base 1. A first spring 602 is fixedly connected to one side of the fixing block 10. A connecting rod 603 is fixedly connected to one side of the upper mold 4. A push block 604 is fixedly connected to the top of the connecting rod 603. A groove 605 is opened on one side of the first support block 601. An inclined groove 606 is opened on the other side of the first support block 601. A slider 607 is fixedly connected to the bottom of the first support block 601. A sliding groove 608 is opened on the top of the base 1. A square groove 609 is opened inside the sliding groove 608 on the base 1. A second support block 11 is fixedly connected to the base 1.

[0030] Furthermore, the slider 607 is T-shaped and is slidably connected to the groove 608 on the base 1.

[0031] By adopting the above technical solution, the slider 607 enables the first support block 601 to remain stable during movement.

[0032] Furthermore, the first spring 602 is fixedly connected to the first support block 601, and the push block 604 is located directly above the inclined groove 606 on the first support block 601 and the upper groove 609 on the base 1. The bottom of the push block 604 is an inclined surface.

[0033] By adopting the above technical solution, the inclined surface on the push block 604 presses the inclined groove 606 on the first support block 601, and the push block 604 pushes the first support block 601 to move and stretches the first spring 602. When the push block 604 moves to the square groove 609 on the base 1, the first support block 601 moves to the bottom of the lower mold 701. The connecting seat 711 on the lower mold 701 is located in the groove 605 on the base 1, and the first support block 601 and the second support block 11 support the lower mold 701.

[0034] Furthermore, a collection frame 8 is provided inside the base 1 and is located below the lower mold 701, and a rubber pad 9 is provided inside the collection frame 8.

[0035] By adopting the above technical solution, the falling injection molded parts are collected by the collection frame 8, and the rubber pad 9 in the collection frame 8 provides cushioning for the injection molded parts to avoid damage.

[0036] Working principle: During use, the operator starts the hydraulic cylinder 3, which extends the upper mold 4 downwards. The upper mold 4 then moves the connecting rod 603, which in turn moves the push block 604. The inclined surface on the push block 604 presses against the inclined groove 606 on the first support block 601, causing the push block 604 to push the first support block 601 to move. The first support block 601 then stretches the first spring 602, and simultaneously, the first support block 601 causes the slider 607 to slide in the groove 608 on the base 1. When the upper mold 4 and the lower mold 701 are combined, the push block 604 moves into the square groove 609 on the base 1, and the side of the push block 604 abuts against the first support block 601. At this time, the first support block 601 moves to the bottom of the lower mold 701, and the first support block 601 and the second support block 11 support the lower mold 701. Liquid silicone is injected into the upper mold 4 and the lower mold 701 through the connecting pipe 5. After the injection molded part cools down, the hydraulic oil... Cylinder 3 retracts the upper mold 4 upwards, which in turn causes the push block 604 to reset. The elastic force of the first spring 602 then causes the first support block 601 to reset. Next, cylinder 709 is activated, causing the connecting block 710 to retract. The connecting block 710 then moves the connecting seat 711, which in turn causes the lower mold 701 to rotate downwards around the fixed seat 706. During the rotation of the lower mold 701, the fixed rod 712 contacts the moving plate 702 and... When the cylinder 702 is pushed, the moving plate 702 drives the fixed column 703 and the ejector pin 705 to slide in the lower mold 701. The fixed column 703 then compresses the second spring 704, and the ejector pin 705 pushes out the injection molded part. The ejected injection molded part slides down the lower mold 701 into the collection frame 8. After all the injection molded parts have slid off the lower mold 701, the cylinder 709 drives the connecting block 710 to extend, which pushes the lower mold 701 to rotate upward until the lower mold 701 contacts the second support block 11.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly refrigerator accessory injection molding device comprising a base (1), characterized in that: The base (1) top fixedly connected with support frame (2), the support frame (2) inside fixedly connected with hydraulic oil cylinder (3), the hydraulic oil cylinder (3) bottom fixedly connected with upper die (4), the upper die (4) inside fixedly connected with connecting pipe (5), the base (1) on set up for the collection mechanism (7) of quick collection injection molding parts, the base (1) top fixedly connected with fixed seat (706), the fixed seat (706) inside rotatably connected with lower die (701), the lower die (701) inside slidably connected with moving plate (702), the moving plate (702) top fixedly connected with fixed column (703) and thimble (705), the fixed column (703) shank is provided with second spring (704), the base (1) inside fixedly connected with support seat (707), the support seat (707) with rotating block (708) hinged, the rotating block (708) inside fixedly connected with air cylinder (709), the air cylinder (709) one end fixedly connected with connecting block (710), the lower die (701) bottom fixedly connected with connecting seat (711), the base (1) inside fixedly connected with fixed rod (712).

2. The environmentally friendly refrigerator accessory injection molding apparatus according to claim 1, characterized by: The fixed column (703) and thimble (705) are slidably connected with the lower die (701), and the second spring (704) is fixedly connected with the lower die (701).

3. The environmentally friendly refrigerator accessory injection molding apparatus of claim 1, wherein: The connecting block (710) is hinged with the connecting seat (711).

4. The environmentally friendly refrigerator accessory injection molding apparatus according to claim 1, characterized in that: The base (1) is provided with a supporting mechanism (6) for supporting the lower die (701), and the base (1) top is slidably connected with a first support block (601), and the base (1) top is fixedly connected with a fixed block (10), and the fixed block (10) one side is fixedly connected with a first spring (602), and the upper die (4) one side is fixedly connected with a connecting rod (603), and the connecting rod (603) top is fixedly connected with a push block (604), and the first support block (601) one side is provided with a groove (605), and the first support block (601) other side is provided with an inclined groove (606), and the first support block (601) bottom is fixedly connected with a sliding block (607), and the base (1) top is provided with a sliding groove (608), and the base (1) upper sliding groove (608) inside is provided with a square groove (609), and the base (1) is fixedly connected with a second support block (11).

5. The environmentally friendly refrigerator accessory injection molding apparatus according to claim 4, characterized in that: The sliding block (607) is "T" shaped, and the sliding block (607) is slidably connected with the sliding groove (608) on the base (1).

6. The environmentally friendly refrigerator accessory injection molding apparatus according to claim 4, characterized in that: The first spring (602) is fixedly connected with the first support block (601), the push block (604) is located above the inclined groove (606) of the first support block (601) and the square groove (609) on the base (1), and the bottom of the push block (604) is inclined.

7. The environmentally friendly refrigerator accessory injection molding apparatus according to claim 1, characterized in that: The base (1) is provided with a collection frame (8) inside and below the lower die (701), and the collection frame (8) is provided with a rubber pad (9) inside.