An injection mold for a smart meter outer box

Abstract

The utility model discloses an injection mold for an outer box of a smart meter, and relates to the field of mold technology, including an upper mold frame group and a lower mold frame group, wherein the upper mold frame group includes an upper mold frame bottom plate, one side of the upper mold frame bottom plate is fixedly connected to the upper mold frame, a flow channel plate is arranged on one side of the upper mold frame, an upper mold core is also arranged in the upper mold frame, the flow channel plate and the upper mold core are connected through a hot nozzle, and an upper mold core is arranged on the upper mold core. The utility model is provided with an upper mold frame bottom plate, an upper mold frame, a flow channel plate, a hot nozzle, an upper mold core, a lower mold core, a lower mold frame, an ejector structure and a lower mold frame bottom plate, and a workpiece cavity is formed between the upper mold core and the lower mold core during use, which is used for forming the workpiece, and the ejector structure composed of an ejector fixing plate, an ejector guide rod and an ejector can reciprocate along the movement direction of the front mold frame bottom plate to eject the workpiece, and two symmetrically arranged hot nozzles form two hot runners, which can process two products at the same time, and are highly efficient and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an injection mold for an outer box of a smart electric meter. Background Art

[0002] At present, electric meters are generally composed of a meter box, a circuit board, a relay and a mutual inductor. Among them, the meter box is composed of a cover plate and a base connected by lead sealing screws, and the cover plate and the base of the meter box are generally processed by an injection molding mold of an electric meter shell through an injection molding process.

[0003] As the name implies, the meter housing injection mold is a mold for injection molding the meter housing, and the structure includes: a template, a meter housing groove is provided in the template, a hot runner connected to the meter housing groove is provided at the upper end of the template, and liquid plastic is injected into the meter housing groove through the hot runner, and the meter housing is formed after cooling. In the utility model with Chinese patent publication number CN216230513U, an meter housing injection mold is proposed, which adopts the cooperation of a cylinder with an intermediate slider and a side slider for demoulding, can realize demoulding fully automatically, and has good sensitivity and high precision, but the processing efficiency of the meter housing injection mold needs to be improved. Therefore, the utility model proposes an injection mold for a smart meter outer box. Utility Model Content

[0004] Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide an injection mold for an outer box of a smart electric meter.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for a smart meter outer box, comprising an upper mold frame group and a lower mold frame group, the upper mold frame group comprising an upper mold frame bottom plate, one side of the upper mold frame bottom plate is fixedly connected to the upper mold frame, one side of the upper mold frame is provided with a flow channel plate, an upper mold core is also provided in the upper mold frame, the flow channel plate and the upper mold core are connected by a hot nozzle, an upper mold core is provided with an upper mold cavity, one side of the upper mold frame is fixedly connected to a guide column, a positioning block 1 is provided on the side of the upper mold frame, a fixing block is fixedly connected to the upper mold frame, and a through hole is opened inside the fixing block; the lower mold frame group comprises a lower mold frame bottom plate, one side of the lower mold frame bottom plate is fixedly connected to the lower mold frame, and the lower mold frame bottom plate is connected to the lower mold frame. An ejector structure is arranged between the mold base and the lower mold core, a lower mold core is arranged on one side of the lower mold base, a lower mold core is arranged on the lower mold core, a lower mold cavity is arranged on the top of the lower mold base, and a positioning block 2 is installed on the side of the lower mold base, and a connecting rod inserted into the through hole is fixedly connected to the lower mold base, an upper mold base, an upper mold base, a runner plate, a hot nozzle, an upper mold core, a lower mold core, a lower mold base, an ejector structure and a lower mold base bottom plate are arranged. When in use, a workpiece cavity is formed between the upper mold core and the lower mold core for forming the workpiece. The ejector structure composed of the ejector fixing plate, the ejector guide rod and the ejector can reciprocate along the movement direction of the front mold base plate to eject the workpiece. Two symmetrically arranged hot nozzles form two hot runners, which can process two products at the same time, with high efficiency and convenient use.

[0008] Preferably, a sliding cylinder is connected to one side of the upper mold frame assembly.

[0009] Preferably, a hot runner driving module is also connected to one side of the upper mold frame assembly.

[0010] Preferably, the ejector pin structure comprises an ejector pin fixing plate and an ejector pin.

[0011] Preferably, a plurality of cold water channels are provided on the upper mold core.

[0012] Preferably, a positioning groove is provided on the first positioning block, and a positioning protrusion is provided on the second positioning block.

[0013] Beneficial effects:

[0014] Compared with the prior art, the injection mold of the smart meter outer box has the following beneficial effects:

[0015] The utility model sequentially arranges an upper mold frame bottom plate, an upper mold frame, a runner plate, a hot nozzle, an upper mold core, a lower mold core, a lower mold frame, an ejector structure and a lower mold frame bottom plate. When in use, a workpiece cavity is formed between the upper mold core and the lower mold core for forming the workpiece. The ejector structure composed of an ejector fixing plate, an ejector guide rod and an ejector can reciprocate along the movement direction of the front mold frame bottom plate to eject the workpiece. Two symmetrically arranged hot nozzles form two hot runners, which can process two products at the same time, are highly efficient and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0019] In the figure:

[0020] 1. Upper mold frame assembly; 10. Upper mold frame base plate; 11. Upper mold frame; 12. Runner plate; 13. Upper mold core; 14. Hot nozzle; 15. Guide column; 16. Positioning block 1; 17. Fixing block; 1701. Through hole; 2. Lower mold frame assembly; 20. Lower mold frame base plate; 21. Lower mold frame; 22. Ejector structure; 23. Lower mold core; 24. Guide hole; 25. Positioning block 2; 26. Connecting rod; 221. Ejector fixing plate; 222. Ejector; 3. Sliding cylinder; 4. Hot runner drive module; 5. Cold water runner; 6. Electric meter outer box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 3As shown, the utility model provides a technical solution: an injection mold for a smart meter outer box, used for manufacturing an electric meter outer box 6, including an upper mold frame group 1 and a lower mold frame group 2, the upper mold frame group 1 includes an upper mold frame bottom plate 10, one side of the upper mold frame bottom plate 10 is fixedly connected to an upper mold frame 11, one side of the upper mold frame 11 is provided with a flow channel plate 12, and the upper mold core 13 is also provided in the upper mold frame 11. The flow channel plate 12 and the upper mold core 13 are connected through a hot nozzle 14, and an upper mold core 13 is provided with an upper mold cavity, and a guide column 15 is fixedly connected to one side of the upper mold frame 11. Positioning blocks 16 are provided on the sides of the upper mold frame 11, and a fixing block 17 is fixedly connected to the upper mold frame 11, and a through hole 1701 is opened inside the fixing block 17; the lower mold frame group 2 includes a lower mold frame bottom plate 20, one side of the lower mold frame bottom plate 20 is fixedly connected to a lower mold frame 21, and an ejector pin is provided between the lower mold frame bottom plate 20 and the lower mold frame 21. Structure 22, a lower mold core 23 is also provided on one side of the lower mold frame 21, and a lower mold core 23 is provided on the lower mold core 23. A lower model cavity is provided on the lower mold frame 21, a guide hole 24 is provided on the top of the lower mold frame 21, and positioning blocks 25 are installed on the sides of the lower mold frame 21. A connecting rod 26 inserted into the through hole 1701 is fixedly connected to the lower mold frame 21. An upper mold frame bottom plate 10, an upper mold frame 11, a runner plate 12, a hot nozzle 14, an upper mold core 13, a lower mold core 23, a lower mold frame 21, an ejector structure 22 and a lower mold frame bottom plate 20 are provided. When in use, a workpiece cavity is formed between the upper mold core 13 and the lower mold core 23 for forming the workpiece. The ejector structure 22 composed of an ejector fixing plate 221, an ejector guide rod 222 and an ejector 223 can reciprocate along the movement direction of the front mold frame bottom plate to eject the workpiece. Two symmetrically arranged hot nozzles 14 form two hot runners, which can process two products at the same time, with high efficiency and convenience.

[0023] Please pay attention to Figure 1 and Figure 3 One side of the upper mold frame assembly 1 is connected to a sliding cylinder 3 , and one side of the upper mold frame assembly 1 is also connected to a hot runner driving module 4 .

[0024] Please pay attention to Figure 1 and Figure 2 The ejector structure 22 includes an ejector fixing plate 221 and an ejector 222 . A plurality of cold water channels 5 are arranged on the upper mold core 13 . A positioning groove is arranged on the positioning block 16 . A positioning protrusion is arranged on the positioning block 25 .

[0025] Working principle: When in use, a workpiece cavity is formed between the upper mold core 13 and the lower mold core 23 for forming the workpiece. The ejector structure 22 composed of the ejector fixing plate 221, the ejector guide rod 222 and the ejector 223 can reciprocate along the movement direction of the front mold frame bottom plate to eject the workpiece. The two symmetrically arranged hot nozzles 14 form two hot runners, which can process two products at the same time, with high efficiency and easy use.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for a smart meter outer box, comprising an upper mold frame group (1) and a lower mold frame group (2), characterized in that: The upper mold frame group (1) comprises an upper mold frame bottom plate (10), one side of the upper mold frame bottom plate (10) is fixedly connected to an upper mold frame (11), one side of the upper mold frame (11) is provided with a flow channel plate (12), an upper mold core (13) is also provided in the upper mold frame (11), the flow channel plate (12) and the upper mold core (13) are connected via a hot nozzle (14), an upper mold core (13) is provided with an upper mold cavity, one side of the upper mold frame (11) is fixedly connected to a guide column (15), a positioning block (16) is provided on the side of the upper mold frame (11), a fixing block (17) is fixedly connected to the upper mold frame (11), and a through hole (1701) is provided inside the fixing block (17); The lower mold frame group (2) comprises a lower mold frame bottom plate (20), one side of the lower mold frame bottom plate (20) is fixedly connected to a lower mold frame (21), a pin structure (22) is arranged between the lower mold frame bottom plate (20) and the lower mold frame (21), one side of the lower mold frame (21) is also provided with a lower mold core (23), the lower mold core (23) is provided with a lower mold cavity, the top of the lower mold frame (21) is provided with a guide hole (24), the side of the lower mold frame (21) is installed with a positioning block 2 (25), and the lower mold frame (21) is fixedly connected with a connecting rod (26) inserted into the through hole (1701).

2. The injection mold of the smart meter outer box according to claim 1, characterized in that: One side of the upper mold frame group (1) is connected to a sliding oil cylinder (3).

3. The injection mold of the smart meter outer box according to claim 1, characterized in that: One side of the upper mold frame assembly (1) is also connected to a hot runner drive module (4).

4. The injection mold of the smart meter outer box according to claim 1, characterized in that: The ejector pin structure (22) comprises an ejector pin fixing plate (221) and an ejector pin (222).

5. The injection mold of the smart meter outer box according to claim 1, characterized in that: The upper mold core (13) is provided with a plurality of cold water channels (5).

6. The injection mold of the smart meter outer box according to claim 1, characterized in that: The first positioning block (16) is provided with a positioning groove, and the second positioning block (25) is provided with a positioning protrusion.

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