Mold for plastic fan bracket

Abstract

The utility model relates to the technical field of injection molds, and discloses a mold for a plastic fan bracket, which comprises a base, a positioning bolt I and a positioning bolt II are fixedly mounted at the bottom of the base, a limiting piece is fixedly mounted at the top of the base, a fixed seat is fixedly mounted at the top of the base, and a fixed mold is fixedly mounted at the top of the fixed seat. A guide column is fixedly installed at the top of the fixed mold, a movable mold is arranged at the top of the fixed mold, and an air cylinder is fixedly installed on the outer side of the movable mold. According to the mold for the plastic fan frame, through the design of the four guide columns, when the fixed mold and the movable mold are closed, the movable mold can slide into the position above the fixed mold from the guide columns, the rapid alignment effect on the movable mold can be achieved, and it is avoided that displacement is likely to happen, and normal use is affected; and two fixing bolts I penetrate through the limiting plates and reach the interiors of the fixed mold and the movable mold, so that the fixed mold and the movable mold can be fixed, and the fixed mold and the movable mold are prevented from shaking.

Description

Technical Field

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

[0002] With the continuous improvement of industrial level, plastics are widely used in all walks of life. In the plastics industry, plastic fan holders are widely used. Generally speaking, plastic fan holders are made by mold injection molding technology. The molten plastic material is injected into the mold by pressure, and the molded fan holder is taken out after cooling and hardening.

[0003] In the prior art, although the plastic fan frame can be injection molded, it is not convenient to perform core pulling, which makes the production more limited. In addition, in the prior art, only a positioning structure is designed, but after the mold is closed, it is not convenient to fix the movable mold and the fixed mold, which affects normal production and has poor practicality. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a mold for a plastic fan frame, which can effectively solve the problems in the prior art that it is inconvenient to pull the core, resulting in greater limitations during production, and it is inconvenient to fix the movable mold and the fixed mold after mold closing, affecting normal production.

[0005] The technical scheme adopted by the utility model is: a mold for a plastic fan frame, comprising a base, a first positioning bolt and a second positioning bolt are fixedly installed at the bottom of the base, a limiting piece is fixedly installed at the top of the base, a fixing seat is fixedly installed at the top of the base, a fixed mold is fixedly installed at the top of the fixing seat, a guide column is fixedly installed at the top of the fixed mold, a movable mold is arranged at the top of the fixed mold, a cylinder is fixedly installed at the outer side of the movable mold, a core pulling rod is fixedly installed on the output shaft of the cylinder, a fixing plate is fixedly installed at the outer side of the cylinder, a limiting plate is arranged at the outer side of the fixed mold and the movable mold, a fixing bolt is penetrated and arranged at the limiting plate, a groove is provided at the inner side of the fixed mold and the movable mold, a mold block is fixedly installed inside the groove, a flow channel is provided at the top of the mold block, a top cover is fixedly installed at the top of the movable mold, an injection nozzle is fixedly installed at the top of the top cover, a fixing bolt second is arranged at the top of the injection nozzle, a connecting pipe is arranged at the bottom of the injection nozzle, a control component is fixedly installed at the outer side of the movable mold, and a heat dissipation pipe is arranged inside the fixed mold and the movable mold.

[0006] Preferably, four identical guide posts are provided, and the four guide posts are slidably connected to the movable mold.

[0007] Through the above technical solution and the design of four guide pillars, when the fixed mold and the movable mold are closed, the movable mold can slide from the guide pillars to the top of the fixed mold, which can quickly align it and avoid displacement that affects normal use.

[0008] Preferably, two identical fixing bolts are provided, one of which penetrates the limiting plate and extends to the interior of the fixed mold, and the other of which penetrates the limiting plate and extends to the interior of the movable mold.

[0009] Through the above technical solution, through the design of two fixing bolts, when the fixed mold and the movable mold are closed, the two fixing bolts can pass through the limit plate and reach the inside of the fixed mold and the movable mold, which can fix the two and prevent them from shaking.

[0010] Preferably, two of the cylinder and the core-pulling rod are provided, and the core-pulling rod is located inside the mold block.

[0011] Through the above technical solution, through the design of the cylinder and the core pulling rod, when injecting, the cylinder can be opened, and then the core pulling rod is inserted into the interior of the mold block, which can realize the core pulling of the mold and facilitate the molding of the overall mold.

[0012] Preferably, the flow channel is communicated with the mold block, the injection nozzle is communicated with a connecting pipe, and the connecting pipe is located at the top of the flow channel.

[0013] Through the above technical scheme, through the cooperation of the runner and the mold block, when injection molding, it can be injected through the injection nozzle, and then flow into the runner from the connecting pipe, and then flow from the runner into the mold blocks on both sides, which can facilitate rapid injection molding and realize simultaneous processing of two groups of brackets, thereby improving processing efficiency.

[0014] Preferably, the heat dissipation pipes are provided in equal numbers, and the heat dissipation pipes are respectively located inside the movable mold and the fixed mold.

[0015] Through the above technical solution, through the design of the heat dissipation pipe, cooling water can be injected from one end of the outer side of the fixed mold, and then discharged from the movable mold. The cooling water can then circulate in the heat dissipation pipe, which can quickly dissipate the heat of the internal mold.

[0016] Preferably, the fixing plate is fixedly mounted to the movable mold by bolts, and the positioning bolt passes through the base and extends to the interior of the limiting member.

[0017] Through the above technical solution, the cylinder can be quickly installed through the design of the fixing plate, and the design of the positioning bolt can allow the positioning bolt to penetrate the base and reach the limiting member, so that the base and the limiting member can be quickly installed.

[0018] Compared with the prior art, the utility model provides a mold for a plastic fan frame, which has the following

[0019] Beneficial effects:

[0020] 1. The mold for the plastic fan holder is designed with four guide columns. When the fixed mold and the movable mold are molded together, the movable mold can slide from the guide columns to the top of the fixed mold, which can quickly align the mold and avoid displacement that affects normal use. Through two fixing bolts, when the fixed mold and the movable mold are molded together, the two fixing bolts can pass through the limit plate and reach the inside of the fixed mold and the movable mold, which can fix the two and prevent them from shaking.

[0021] 2. The mold for the plastic fan holder is designed with a cylinder and a core-pulling rod. When injecting, the cylinder can be opened, and then the core-pulling rod is inserted into the interior of the mold block, so that the core of the mold can be pulled out, which is convenient for the molding of the overall mold and can improve the diversity of production. Through the cooperation between the runner and the mold block, when injection molding, it can be injected through the injection nozzle, and then it flows from the connecting pipe into the runner, and then from the runner into the mold blocks on both sides, which is convenient for rapid injection molding and can realize the simultaneous processing of two sets of brackets, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the heat dissipation pipe of the utility model;

[0026] Figure 5 This is a schematic diagram of the mold block and flow channel installation structure of the utility model;

[0027] Figure 6 This is a schematic diagram of the installation structure of the positioning bolt 1 and the positioning bolt 2 of the utility model.

[0028] Among them: 1. Base; 2. Positioning bolt 1; 3. Positioning bolt 2; 4. Limiting piece; 5. Fixed seat; 6. Fixed mold; 7. Guide column; 8. Moving mold; 9. Cylinder; 10. Core pulling rod; 11. Fixed plate; 12. Limiting plate; 13. Fixed bolt 1; 14. Groove; 15. Mold block; 16. Runner; 17. Top cover; 18. Injection nozzle; 19. Fixed bolt 2; 20. Connecting pipe; 21. Control part; 22. Heat dissipation pipe. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1: Figure 1-6 As shown, the utility model provides a mold for a plastic fan frame, including a base 1, a positioning bolt 2 and a positioning bolt 3 are fixedly installed at the bottom of the base 1, a limiting member 4 is fixedly installed on the top of the base 1, a fixing seat 5 is fixedly installed on the top of the base 1, a fixed mold 6 is fixedly installed on the top of the fixing seat 5, a guide column 7 is fixedly installed on the top of the fixed mold 6, a movable mold 8 is arranged on the top of the fixed mold 6, a cylinder 9 is fixedly installed on the outer side of the movable mold 8, a core pulling rod 10 is fixedly installed on the output shaft of the cylinder 9, a fixing plate 11 is fixedly installed on the outer side of the cylinder 9, and the fixed mold 6 and the movable mold 8 are fixedly installed. A limit plate 12 is arranged on the outside, and a fixing bolt 13 is penetrated by the limit plate 12. A groove 14 is opened on the inside of the fixed mold 6 and the movable mold 8, and a mold block 15 is fixedly installed inside the groove 14. A flow channel 16 is opened on the top of the mold block 15. A top cover 17 is fixedly installed on the top of the movable mold 8, and an injection nozzle 18 is fixedly installed on the top of the top cover 17. A fixing bolt 2 19 is arranged on the top of the injection nozzle 18, and a connecting pipe 20 is arranged at the bottom of the injection nozzle 18. A control part 21 is fixedly installed on the outside of the movable mold 8, and a heat dissipation pipe 22 is arranged inside the fixed mold 6 and the movable mold 8.

[0031] Specifically, four identical guide posts 7 are provided, and the four guide posts 7 are slidably connected to the movable mold 8. The advantage is that, through the design of the four guide posts 7, when the fixed mold 6 and the movable mold 8 are closed, the movable mold 8 can slide from the guide posts 7 to the top of the fixed mold 6, which can play a role in rapid alignment, avoiding displacement and affecting normal use.

[0032] Specifically, two identical fixing bolts 13 are provided, one fixing bolt 13 penetrates the limiting plate 12 and extends to the interior of the fixed mold 6, and the other fixing bolt 13 penetrates the limiting plate 12 and extends to the interior of the movable mold 8. The advantage is that through the design of the two fixing bolts 13, when the fixed mold 6 and the movable mold 8 are closed, the two fixing bolts 13 can pass through the limiting plate 12 and reach the interior of the fixed mold 6 and the movable mold 8, which can fix the two and prevent them from shaking.

[0033] Specifically, two identical cylinders 9 and core-pulling rods 10 are provided, and the core-pulling rod 10 is located inside the mold block 15. The advantage is that, through the design of the cylinder 9 and the core-pulling rod 10, when injecting, the cylinder 9 can be opened, and then the core-pulling rod 10 can be inserted into the mold block 15, so that the core pulling of the mold can be realized, which is convenient for the molding of the overall mold.

[0034] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0035] Specifically, the runner 16 is communicated with the mold block 15, the injection nozzle 18 is communicated with the connecting tube 20, and the connecting tube 20 is located at the top of the runner 16. The advantage is that through the cooperation between the runner 16 and the mold block 15, when injection molding, it can be injected through the injection nozzle 18, and then flow into the runner 16 from the connecting tube 20, and then flow from the runner 16 into the mold blocks 15 on both sides, which can facilitate rapid injection molding and realize simultaneous processing of two groups of brackets, thereby improving processing efficiency.

[0036] Specifically, a plurality of heat dissipation pipes 22 are provided, and the plurality of heat dissipation pipes 22 are respectively located inside the movable mold 8 and the fixed mold 6. The advantage is that, through the design of the heat dissipation pipe 22, cooling water but not limited to cooling water can be injected from one end of the outer side of the fixed mold 6, and then discharged from the movable mold 8. The cooling water can then circulate in the heat dissipation pipe 22, and the internal mold can be quickly cooled.

[0037] Specifically, the fixing plate 11 is fixedly installed with the movable mold 8 by bolts, and the positioning bolt 2 penetrates the base 1 and extends to the inside of the limit member 4. The advantage is that the cylinder 9 can be quickly installed through the design of the fixing plate 11, and the design of the positioning bolt 2 allows the positioning bolt 2 to penetrate the base 1 and reach the limit member 4, so that the base 1 and the limit member 4 can be quickly installed.

[0038] Working principle: During use, through the design of four guide columns 7, when the fixed mold 6 and the movable mold 8 are molded, the movable mold 8 can slide from the guide columns 7 to the top of the fixed mold 6, which can play a role in rapid alignment, avoiding displacement and affecting normal use. Through the design of two fixing bolts 13, when the fixed mold 6 and the movable mold 8 are molded, the two fixing bolts 13 can pass through the limit plate 12 and reach the inside of the fixed mold 6 and the movable mold 8, which can play a role in fixing the two and avoiding shaking. Through the design of the cylinder 9 and the core pulling rod 10, when injecting, the cylinder 9 can be opened, and then the core pulling rod 10 can be inserted into the inside of the mold block 15, which can realize the core pulling of the mold, which is convenient for the molding of the overall mold, and the runner 16 and the mold block 15 are connected. When injection molding is performed, it can be injected through the injection nozzle 18, and then flow into the flow channel 16 from the connecting pipe 20, and then flow into the mold blocks 15 on both sides from the flow channel 16, which can facilitate rapid injection molding, and can realize the simultaneous processing of two groups of brackets, which can improve the processing efficiency. Through the design of the heat dissipation pipe 22, cooling water can be injected from one end of the outer side of the fixed mold 6, but not limited to cooling water, and then discharged from the movable mold 8. The cooling water can then circulate in the heat dissipation pipe 22, which can quickly dissipate the heat of the internal mold. Through the design of the fixed plate 11, the cylinder 9 can be quickly installed, and the design of the positioning bolt 2 can make the positioning bolt 2 pass through the base 1 and reach the limit member 4, so that the base 1 and the limit member 4 can be quickly installed.

[0039] Although the 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. A mold for a plastic fan holder, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly mounted with a positioning bolt 1 (2) and a positioning bolt 2 (3); the top of the base (1) is fixedly mounted with a limiting member (4); the top of the base (1) is fixedly mounted with a fixing seat (5); the top of the fixing seat (5) is fixedly mounted with a fixed mold (6); the top of the fixed mold (6) is fixedly mounted with a guide column (7); the top of the fixed mold (6) is provided with a movable mold (8); the outer side of the movable mold (8) is fixedly mounted with a cylinder (9); the output shaft of the cylinder (9) is fixedly mounted with a core pulling rod (10); the outer side of the cylinder (9) is fixedly mounted with a fixing plate (11); the outer sides of the fixed mold (6) and the movable mold (8) are provided with limiting plates (12); The limiting plate (12) is provided with a fixing bolt (13) penetrating therethrough; grooves (14) are provided on the inner sides of the fixed mold (6) and the movable mold (8); a mold block (15) is fixedly installed inside the groove (14); a flow channel (16) is provided on the top of the mold block (15); a top cover (17) is fixedly installed on the top of the movable mold (8); an injection nozzle (18) is fixedly installed on the top of the top cover (17); a fixing bolt (19) is provided on the top of the injection nozzle (18); a connecting pipe (20) is provided on the bottom of the injection nozzle (18); a control component (21) is fixedly installed on the outer side of the movable mold (8); and a heat dissipation pipe (22) is provided inside the mold block (15).

2. The mold for a plastic fan holder according to claim 1, characterized in that: The guide posts (7) are provided in four identical numbers, and the four guide posts (7) are slidably connected to the movable mold (8).

3. The mold for a plastic fan holder according to claim 1, characterized in that: Two identical fixing bolts (13) are provided, one of which passes through the limiting plate (12) and extends to the interior of the fixed mold (6), and the other of which passes through the limiting plate (12) and extends to the interior of the movable mold (8).

4. The mold for a plastic fan holder according to claim 1, characterized in that: The cylinder (9) and the core pulling rod (10) are provided in equal numbers, and the core pulling rod (10) is located inside the mold block (15).

5. The mold for a plastic fan holder according to claim 1, characterized in that: The flow channel (16) is in communication with the mold block (15), the injection nozzle (18) is in communication with the connecting pipe (20), and the connecting pipe (20) is located at the top of the flow channel (16).

6. The mold for a plastic fan holder according to claim 1, characterized in that The heat dissipation pipes (22) are provided in equal numbers, and the heat dissipation pipes (22) are respectively located inside the movable mold (8) and the fixed mold (6).

7. The mold for a plastic fan holder according to claim 1, characterized in that: The fixed plate (11) is fixedly mounted to the movable mold (8) by means of bolts, and the positioning bolt (2) penetrates the base (1) and extends to the interior of the limiting member (4).

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