Impact-resistant safety helmet multi-cavity injection molding device capable of achieving rapid forming

Abstract

The utility model relates to an impact-resistant safety helmet multi-cavity injection molding device capable of rapidly forming, which comprises an operation table, a movable table and a fixed table, the movable table and the fixed table are arranged at the upper end of the operation table, and the side face of the movable table is connected with an air cylinder. The side, close to the movable table, of the fixed table is provided with a plurality of sets of female dies, the other side of the fixed table is provided with a water tank, the water tank is connected with the fixed table through a circulating water pipe, and a main body part of the circulating water pipe is arranged in the fixed table. And meanwhile, by arranging a circulating water pipe, when water flow in the circulating water pipe flows under the action of a water pump, the safety helmets subjected to injection molding in the injection molding cavity can be effectively and rapidly cooled, and molding of the safety helmets is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of helmet processing, in particular to a multi-cavity injection molding device for an impact-resistant helmet capable of rapid molding. Background Art

[0002] A hard hat is a kind of personal protective equipment, which is mainly used to protect the head from falling objects or other specific factors. It is usually composed of a hat shell, a hat lining, a chin strap and accessories, and has protective mechanisms such as cushioning, shock absorption and stress dispersion.

[0003] The utility model patent with the existing patent publication number CN216782515U discloses a helmet injection mold that is easy to demould, including a mold body, a shock-absorbing plate, a shock-absorbing spring, a positioning column, an injection pipe, an injection pipe end, a demoulding plate and a limiting column. The bottom surface of the mold body is provided with a first base and a shock-absorbing plate, and shock-absorbing springs are provided on both sides of the shock-absorbing plate. The surface of the first base is connected to the second base, and the surface of the first base is provided with an injection connection port. The bottom surface of the first base is connected to the third base, and the third base is provided with a power port and a through hole. The surface of the mold body is fixedly connected with a positioning column by bolts, and the positioning column is connected to the helmet body. The utility model can ensure the protection of the helmet body during the entire injection molding process through the shock-absorbing plate and the shock-absorbing spring, and the product surface is protected while the injection molding is stable. In addition, under the connection between the injection pipe and the cavity groove, it can be demoulded quickly.

[0004] After analysis, it was found that the helmet needs to be cooled and then formed after completing the injection molding step. Under natural conditions, this process takes a lot of time, which is not conducive to the rapid molding of the helmet and reduces the injection molding efficiency. Utility Model Content

[0005] The utility model aims to provide a multi-cavity injection molding device for an impact-resistant helmet capable of rapid molding, which solves the problems raised in the above background.

[0006] In order to solve the above technical problems, the utility model provides a multi-cavity injection molding device for an impact-resistant helmet that can be quickly molded, comprising an operating table and a movable table and a fixed table arranged at the upper end of the operating table, the movable table is connected to a cylinder on the side, a plurality of groups of punches are arranged on the side of the movable table away from the cylinder, a plurality of groups of concave molds are arranged on the side of the fixed table close to the movable table, a water tank is arranged on the other side of the fixed table, the water tank is connected to the fixed table by a circulating water pipe, and the main part of the circulating water pipe is arranged in the fixed table.

[0007] Furthermore, a material unloading platform is arranged on the operating table, and the material unloading platform is arranged at an incline.

[0008] Furthermore, an injection molding tube is arranged on the upper end of the fixed platform, and the injection molding tube is connected with multiple groups of concave molds through pipelines.

[0009] Furthermore, the male mold and the female mold cooperate to form an injection cavity.

[0010] Furthermore, a water pump is provided in the water tank and the water pump is connected to a circulating water pipe via a water inlet pipe, and the circulating water pipe is connected to the lower end of the water tank via a water outlet pipe.

[0011] Furthermore, a buffer pad is provided on the surface of the unloading platform.

[0012] Furthermore, the cylinder is connected to the operating table through a mounting table.

[0013] Furthermore, the circulating water pipe is a PB pipe synthesized from polybutene chemicals.

[0014] The beneficial effects of the utility model are:

[0015] By setting up multiple sets of punches and die, multiple helmets can be injection molded at the same time after the punches and die are combined. At the same time, by setting up a circulating water pipe, when the water in the circulating water pipe flows under the action of a water pump, the safety helmets that have been injection molded in the injection cavity can be effectively cooled down quickly, thereby accelerating the molding of the safety helmets. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of one side of the utility model;

[0019] Figure 3 It is a side view of the utility model;

[0020] Figure 4 It is a top view of the utility model;

[0021] Figure 5 It is a cross-sectional view of the utility model;

[0022] Figure 6 It is a cross-sectional view of the fixing platform of the utility model;

[0023] Figure 7 It is a schematic diagram of a circulating water pipe of the utility model.

[0024] In the figure: 1. operating table; 101. unloading table; 102. buffer pad; 2. moving table; 201. punch; 3. fixed table; 301. injection tube; 302. die; 4. water tank; 401. circulating water pipe; 402. water pump; 403. water inlet pipe; 404. water outlet pipe; 5. cylinder; 501. mounting table; 6. injection cavity. DETAILED DESCRIPTION

[0025] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0026] like Figures 1 to 7 As shown, the utility model provides a multi-cavity injection molding device for impact-resistant helmets that can be quickly molded, including an operating table 1, a moving table 2 and a fixed table 3 arranged on the upper end of the operating table 1, a material unloading table 101 is arranged on the operating table 1, and the material unloading table 101 is inclined, and a buffer pad 102 is arranged on the surface of the material unloading table 101. The safety helmet that has been injected can be dropped onto the material unloading table 101 by an operator with the help of a tool, and a cylinder 5 is connected to the side of the moving table 2. The cylinder 5 is connected to the operating table 1 through a mounting table 501, and the cylinder 5 pushes the moving table 2 to move. The movable platform 2 is movable, and a plurality of groups of punches 201 are arranged on the side away from the cylinder 5. A plurality of groups of concave molds 302 are arranged on the side of the fixed platform 3 close to the movable platform 2. An injection cavity 6 is formed between the punches 201 and the concave molds 302. The injection cavity 6 is in the shape of a safety helmet. A water tank 4 is arranged on the other side of the fixed platform 3. The water tank 4 is connected to the fixed platform 3 through a circulating water pipe 401. The circulating water pipe 401 is a PB pipe synthesized from polybutene chemicals to prevent the high temperature during injection from affecting the circulating water pipe. The main part of the circulating water pipe 401 is arranged in the fixed platform 3.

[0027] like Figure 3 and Figure 6 As shown, an injection molding tube 301 is disposed at the upper end of the fixing platform 3 , and the injection molding tube 301 is connected to a plurality of groups of concave molds 302 through pipelines, and injection molding is completed through the injection molding tube 301 .

[0028] like Figure 5 and Figure 7 As shown, a water pump 402 is provided in the water tank 4 and the water pump 402 is connected to the circulating water pipe 401 through the water inlet pipe 403. The circulating water pipe 401 is connected to the lower end of the water tank 4 through the water outlet pipe 404. The water flow pump in the circulating water pipe 401 quickly cools down the injection-molded helmet.

[0029] When in use, start the cylinder 5 to make the movable table 2 close to the fixed table 3 to complete the mold closing, complete the injection molding through the injection molding tube 301, start the water pump 402 to make the water flow into the circulating water pipe 401, quickly cool down the injection-molded safety helmets, accelerate the molding, and at the same time, multiple sets of punches 201 and concave molds 302 can complete the injection molding of multiple sets of safety helmets at one time.

[0030] The above is based on the ideal embodiment of the utility model. Through the above description, relevant staff can make various changes and modifications without departing from the technical idea of ​​the invention. The technical scope of the invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet, comprising an operating table (1), a movable table (2) and a fixed table (3) arranged at the upper end of the operating table (1), wherein a cylinder (5) is connected to the side of the movable table (2), and characterized in that: A plurality of groups of male dies (201) are arranged on a side of the movable platform (2) away from the cylinder (5), a plurality of groups of female dies (302) are arranged on a side of the fixed platform (3) close to the movable platform (2), a water tank (4) is arranged on the other side of the fixed platform (3), the water tank (4) and the fixed platform (3) are connected via a circulating water pipe (401), and a main part of the circulating water pipe (401) is arranged inside the fixed platform (3).

2. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: The operating table (1) is provided with a material unloading platform (101), and the material unloading platform (101) is arranged at an incline.

3. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: An injection molding tube (301) is arranged at the upper end of the fixed platform (3), and the injection molding tube (301) is connected to multiple groups of concave molds (302) through pipelines.

4. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: The male mold (201) and the female mold (302) cooperate to form an injection cavity (6).

5. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: A water pump (402) is provided in the water tank (4), and the water pump (402) is connected to a circulating water pipe (401) via a water inlet pipe (403), and the circulating water pipe (401) is connected to the lower end of the water tank (4) via a water outlet pipe (404).

6. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 2, characterized in that: A buffer pad (102) is provided on the surface of the unloading platform (101).

7. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: The cylinder (5) is connected to the operating table (1) via a mounting table (501).

8. A multi-cavity injection molding device for rapidly molding an impact-resistant helmet as claimed in claim 1, characterized in that: The circulating water pipe (401) is a PB pipe synthesized from polybutene chemicals.

Images