Degradable plastic spoon injection molding mold

Abstract

The utility model discloses a degradable plastic spoon injection molding mold which comprises a first fixing plate, a guide column is arranged on one side of the first fixing plate, a second fixing plate is arranged at the end, away from the first fixing plate, of the guide column, an oil cylinder is installed on the second fixing plate, a sliding plate is connected to the guide column in a sliding mode, and a fixed mold is arranged on the first fixing plate. A movable mold is arranged on the sliding plate, a first limiting assembly is arranged between the first fixing plate and the fixed mold, a cooling assembly is arranged on the fixed mold, a plurality of electric push rods are arranged in the fixed mold, and ejector pins are arranged on push rods of the electric push rods. According to the degradable plastic spoon injection molding mold, the fixed mold and the movable mold are convenient to disassemble and replace through the first limiting assembly and the second limiting assembly, use is convenient, the degradable plastic spoon subjected to injection molding is convenient to cool through the electric push rod, the ejector pin and the cooling assembly, and the degradable plastic spoon is convenient to use. Demoulding of the degradable plastic spoons is facilitated, and batch production of the degradable plastic spoons is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an injection molding mold for a degradable plastic spoon. Background Art

[0002] A spoon is a utensil for scooping things. It is slightly hemispherical and has a handle. Most spoons are made of stainless steel, which has a high production cost, is not biodegradable and is not environmentally friendly. As people's environmental protection awareness increases, people begin to use biodegradable environmentally friendly plastic spoons. In the production process of the spoon, a processing mold that matches the shape of the spoon is required. The processing mold is used for the molding of the spoon. In order to facilitate the processing of the spoon, an injection mold for producing the spoon is required.

[0003] In the prior art, a utility model with the announcement number CN210257106U discloses a water outlet separation device for a spoon, including a fixed plate, a rotating plate, a positioning column, a bearing column and a cutting blade. A positioning column is provided at the center of the fixed plate, and a plurality of bearing columns are provided outside the positioning column. The plurality of bearing columns are divided into a plurality of groups, and a receiving cavity is formed between two adjacent groups of bearing columns. The positioning column, the bearing column and the receiving cavity are used to support the spoon formed by injection molding of the mold; the rotating plate is set as a disc structure and is located directly above the fixed plate. A plurality of cutting blades are provided in the rotating plate, which are used to cut the water outlet of the spoon formed by injection molding of the mold. The water outlet separation device described in the utility model can be used to cut and separate the water outlet of the spoon by means of the plurality of cutting blades provided. The product quality after cutting and separation is stable, and the structure is simple and the operation is convenient. The labor cost can be greatly reduced, the processing efficiency can be improved, the mass production demand of the spoon can be met, and the application is suitable for promotion.

[0004] However, there are still some shortcomings. The upper mold and the lower mold are disassembled and replaced, which is not conducive to the injection molding of plastic spoons of different sizes. In addition, multiple disposable spoons formed by cooling are easily stuck in the injection groove of the lower mold, which is not convenient for demoulding. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a biodegradable plastic spoon injection molding mold, the purpose of which is to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is:

[0007] A biodegradable plastic spoon injection molding mold comprises a first fixed plate, a guide column is provided on one side of the first fixed plate, a second fixed plate is provided on the end of the guide column away from the first fixed plate, an oil cylinder is installed on the second fixed plate, a sliding plate is slidably connected to the guide column, a piston rod of the oil cylinder is fixedly connected to the sliding plate, a fixed mold is provided on the first fixed plate, a movable mold is provided on the sliding plate, limiting holes are provided on the fixed mold and the movable mold, a first limiting assembly is provided between the first fixed plate and the fixed mold, a second limiting assembly is provided between the sliding plate and the movable mold, a cooling assembly is provided on the fixed mold, a concave mold is provided on the fixed mold, a convex mold corresponding to the concave mold is provided on the movable mold, a plurality of electric push rods are provided in the fixed mold, and a push rod of the electric push rod is provided with an ejector pin.

[0008] Furthermore, the fixed mold and the movable mold are both threadedly connected with hanging rings.

[0009] Furthermore, the first limiting assembly includes a groove arranged on the first fixed plate, a limiting rod is arranged in the groove, a spring is sleeved on the limiting rod, a limiting plate is fixed on the limiting rod, one end of the limiting rod is inserted in the limiting hole, and a pull ring is provided at a section of the limiting rod away from the limiting hole.

[0010] Furthermore, the second limiting assembly has the same structure as the first limiting assembly.

[0011] Furthermore, the cooling component includes a cooling water pipe arranged in the fixed mold, and both ends of the cooling water pipe are threadedly connected with quick-connect connectors.

[0012] Furthermore, the cooling water pipe is S-shaped.

[0013] The beneficial effects of the utility model are:

[0014] The utility model discloses a biodegradable plastic spoon injection molding mold. The first limit assembly and the second limit assembly are provided, so that the fixed mold and the movable mold can be disassembled and replaced, and the use is convenient. The electric push rod and the ejector pin and the cooling assembly are provided, so that the biodegradable plastic spoon after injection molding can be cooled, the biodegradable plastic spoon can be demoulded, and the biodegradable plastic spoon can be mass-produced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 4This is a schematic diagram of the cooling component structure of the utility model;

[0019] Figure 5 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0020] Reference table of reference numerals:

[0021] 1. First fixed plate; 2. Guide column; 3. Second fixed plate; 4. Oil cylinder; 5. Sliding plate; 6. Fixed die; 7. Moving die; 8. Limiting hole; 9. Concave die; 10. Punch die; 11. Lifting ring; 12. Groove; 13. Limiting rod; 14. Spring; 15. Limiting plate; 16. Pull ring; 17. Cooling water pipe; 18. Quick connector; 19. Electric push rod; 20. Ejector pin. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0023] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0024] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0025] like Figures 1 to 5 As shown, a biodegradable plastic spoon injection molding mold includes a first fixed plate 1, a guide column 2 is provided on one side of the first fixed plate 1, a second fixed plate 3 is provided at the end of the guide column 2 away from the first fixed plate 1, a cylinder 4 is installed on the second fixed plate 3, a sliding plate 5 is slidably connected to the guide column 2, a piston rod of the cylinder 4 is fixedly connected to the sliding plate 5, and the cylinder 4 can drive the sliding plate 5 to move.

[0026] A fixed mold 6 is disposed on the first fixed plate 1 , and a movable mold 7 is disposed on the sliding plate 5 . The sliding plate 5 drives the movable mold 7 to move, and the movable mold 7 and the fixed mold 6 are closed during injection molding.

[0027] A limiting hole 8 is provided on the fixed mold 6 and the movable mold 7, a first limiting assembly is provided between the first fixed plate 1 and the fixed mold 6, a second limiting assembly is provided between the sliding plate 5 and the movable mold 7, the second limiting assembly has the same structure as the first limiting assembly, the first limiting assembly comprises a groove 12 arranged on the first fixed plate 1, a limiting rod 13 is provided in the groove 12, a spring 14 is sleeved on the limiting rod 13, a limiting plate 15 is fixed on the limiting rod 13, one end of the limiting rod 13 is inserted in the limiting hole 8, a pull ring 16 is provided on a section of the limiting rod 13 away from the limiting hole 8, and a hanging ring 11 is threadedly connected to the fixed mold 6 and the movable mold 7.

[0028] When it is necessary to produce degradable plastic spoons of different sizes, use a hanger to fix the hanging ring 11, pull the pull ring 16 through the first limit assembly and the second limit assembly, and the pull ring 16 drives the limit rod 13 to move. When the limit rod 13 is out of the limit hole 8, the fixed mold 6 and the movable mold 7 can be removed, which is convenient for replacing the fixed mold 6 and the movable mold 7.

[0029] The fixed mold 6 is provided with a concave mold 9, and the movable mold 7 is provided with a convex mold 10 corresponding to the concave mold 9. The fixed mold 6 and the movable mold 7 are molded together to perform injection molding.

[0030] A cooling component is provided on the fixed mold 6, and the cooling component includes a cooling water pipe 17 arranged in the fixed mold 6. The cooling water pipe 17 is S-shaped, and both ends of the cooling water pipe 17 are threadedly connected with quick-connect connectors 18. The quick-connect connectors 18 are connected to the cooling water pipe. After injection molding, cooling water is introduced into the cooling water pipe to cool the degradable plastic spoon.

[0031] A plurality of electric push rods 19 are arranged in the fixed mold 6, and an ejector pin 20 is arranged on the push rod of the electric push rod 19. After the degradable plastic spoon is cooled down, the oil cylinder 4 drives the sliding plate 5 and the movable mold 7 to move, and the electric push rod 19 drives the ejector pin 20 to move, so as to push the degradable spoon stuck in the concave mold 9 out of the concave mold 9 for demolding.

[0032] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A biodegradable plastic spoon injection molding mold, characterized in that: The invention comprises a first fixed plate (1), a guide column (2) is provided on one side of the first fixed plate (1), a second fixed plate (3) is provided on the end of the guide column (2) away from the first fixed plate (1), an oil cylinder (4) is installed on the second fixed plate (3), a sliding plate (5) is slidably connected to the guide column (2), a piston rod of the oil cylinder (4) is fixedly connected to the sliding plate (5), a fixed mold (6) is provided on the first fixed plate (1), a movable mold (7) is provided on the sliding plate (5), and the fixed mold ( The movable mold (7) and the fixed mold (6) are both provided with limiting holes (8), a first limiting assembly is provided between the first fixed plate (1) and the fixed mold (6), a second limiting assembly is provided between the sliding plate (5) and the movable mold (7), a cooling assembly is provided on the fixed mold (6), the fixed mold (6) is provided with a concave mold (9), the movable mold (7) is provided with a convex mold (10) corresponding to the concave mold (9), a plurality of electric push rods (19) are provided in the fixed mold (6), and a push rod of the electric push rod (19) is provided with an ejector pin (20).

2. The biodegradable plastic spoon injection molding mold according to claim 1, characterized in that: The fixed mold (6) and the movable mold (7) are both threadedly connected with hanging rings (11).

3. The biodegradable plastic spoon injection molding mold according to claim 1, characterized in that: The first limiting assembly comprises a groove (12) arranged on the first fixing plate (1), a limiting rod (13) is arranged in the groove (12), a spring (14) is sleeved on the limiting rod (13), a limiting plate (15) is fixed on the limiting rod (13), one end of the limiting rod (13) is inserted into the limiting hole (8), and a pull ring (16) is arranged on a section of the limiting rod (13) away from the limiting hole (8).

4. The biodegradable plastic spoon injection molding mold according to claim 3, characterized in that: The second limiting assembly has the same structure as the first limiting assembly.

5. The biodegradable plastic spoon injection molding mold according to claim 1, characterized in that: The cooling component comprises a cooling water pipe (17) arranged in the fixed mold (6), and both ends of the cooling water pipe (17) are threadedly connected with quick-connect connectors (18).

6. The biodegradable plastic spoon injection molding mold according to claim 5, characterized in that: The cooling water pipe (17) is S-shaped.

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