Safety helmet multi-cavity injection molding device with cooling function

Abstract

The utility model discloses a safety helmet multi-cavity injection molding device with a cooling function, and relates to the technical field of safety helmet multi-cavity injection molding, the safety helmet multi-cavity injection molding device comprises a fixing mechanism, an injection molding and mould pressing mechanism is fixedly arranged on one side of the fixing mechanism, and one end of the injection molding and mould pressing mechanism is fixedly connected with a multi-cavity type cooling mechanism; the safety helmet multi-cavity injection molding device solves the problems that an existing safety helmet multi-cavity injection molding device lacks a cooling device and cannot rapidly cool an injection molding cavity mold, so that the production efficiency of the mold is low, the pressing mold and the fixed mold are correspondingly arranged, the guide rod provides injection molding crimping guide for the pressing mold, and after the pressing mold and the fixed mold are combined, materials can be injected into the pressing mold and the fixed mold; according to the multi-cavity type cooling mechanism, injection molding of the multiple cavities is completed at the same time, through distribution of the multiple sets of cooling assemblies in the multi-cavity type cooling mechanism, the built-in material pipe can feed materials into the four safety helmet injection molding cavities, the cooling assemblies have the cooling effect on injection molding parts, the cooling cavities correspond to the safety helmet injection molding cavities in a one-to-one mode, and large-area contact between cooling liquid and the injection molding parts is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-cavity injection molding of safety helmets, in particular to a multi-cavity injection molding device for safety helmets with a cooling function. Background Art

[0002] Injection molding is an essential step in the production process of safety helmets. The injection molding of safety helmets requires injecting molten plastic into the mold of the safety helmet through injection molding equipment, and then cooling the injected plastic through the safety helmet mold to solidify the plastic and complete the injection molding of the safety helmet.

[0003] The invention discloses a helmet injection mold that is easy to demould with the publication number of CN216782515U, comprising a mold body, a damping plate, a damping spring, a positioning column, an injection molding pipe, an injection molding pipe end, a demoulding plate and a limiting column, wherein the bottom surface of the mold body is provided with a first base and a damping plate, and the damping springs are provided on both sides of the damping plate, the surface of the first base is connected with a second base, the surface of the first base is provided with an injection molding connection port, the bottom surface of the first base is connected with a third base, and the third base is provided with a power supply port and a through hole, and the surface of the mold body is fixedly connected with a positioning column by bolts, and the positioning column is connected with a helmet body. The utility model can ensure the protection of the helmet body during the entire injection molding process through the damping plate and the damping spring, and the surface of the product is protected while the injection molding is stable, and the mold can be demoulded quickly under the connection between the injection molding pipe and the cavity groove, but the helmet injection mold lacks a cooling device and cannot quickly cool the injection molding cavity mold, which makes the mold production efficiency low.

[0004] In view of the above problems, a multi-cavity injection molding device for a helmet with a cooling function is proposed. Utility Model Content

[0005] The utility model aims to provide a multi-cavity injection molding device for a helmet with a cooling function, which solves the problem that the existing multi-cavity injection molding device for a helmet in the background technology lacks a cooling device and cannot quickly cool the injection cavity mold, resulting in low mold production efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-cavity injection molding device for a helmet with a cooling function, comprising a fixing mechanism, one side of the fixing mechanism is fixedly provided with an injection molding mechanism for extrusion molding of the helmet, one end of the injection molding mechanism is fixedly connected with a multi-cavity cooling mechanism for injection molding cooling, the injection molding mechanism comprises a guide rod fixedly connected to the fixing mechanism, a pressing mold slidably sleeved on the guide rod, the multi-cavity cooling mechanism comprises a positioning frame fixedly connected to one end of the guide rod, a fixed mold fixedly connected to the positioning frame, four groups of built-in material pipes are embedded in the fixed mold, and a cooling component is vertically connected, and the cooling component comprises four groups of cooling chambers.

[0007] Preferably, the fixing mechanism includes a fixing base, a U-shaped frame fixedly arranged on the upper end of the fixing base, a material box connected to the center of the upper end of the U-shaped frame, and a feeding pipe is arranged at the output end of the material box.

[0008] Preferably, a feed opening is provided on the fixed base, and the feed opening is arranged at the lower end of the fixed mold.

[0009] Preferably, the injection molding mechanism further comprises a fixed frame fixedly arranged at one end of the fixed base, a driving cylinder arranged inside the fixed frame, and an output end of the driving cylinder is connected to a transmission frame.

[0010] Preferably, four safety helmet pressing cavities are provided in the pressing mold.

[0011] Preferably, the multi-cavity cooling mechanism further comprises an injection plastic tube connected to the feeding tube, and the four groups of fixed molds are connected to the injection plastic tube.

[0012] Preferably, the cooling assembly comprises a cooling liquid circulation pipe vertically embedded in the fixed mold, and the cooling liquid circulation pipe has two pipelines built therein.

[0013] Preferably, the cooling assembly further comprises a cooling feed pipe connected to the upper end of the cooling chamber, and a cooling feed pipe connected to the lower end of the cooling chamber.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a multi-cavity injection molding device for a helmet with a cooling function. Through the corresponding arrangement of a pressing mold and a fixed mold, a guide rod provides an injection crimping guide for the pressing mold. After the pressing mold and the fixed mold are combined, material can be injected into the interior thereof to complete the simultaneous injection molding of a multi-cavity helmet, thereby solving the problem of low production efficiency of the existing multi-cavity injection molding device for a helmet.

[0016] 2. The utility model provides a multi-cavity injection molding device for a helmet with a cooling function. Through the multi-group distribution arrangement of cooling components in the multi-cavity cooling mechanism, the built-in material pipe can feed materials into four injection molding cavities of the helmet. The cooling components cool the injection molded parts. The cooling cavities correspond to the injection molding cavities of the helmet one by one, so that a large area of ​​contact between the coolant and the injection molded parts is achieved. The multi-cavity arrangement improves the injection molding production efficiency, and solves the problem that the existing multi-cavity injection molding device for the helmet lacks a cooling device and cannot quickly cool the injection molding cavity mold. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the overall top view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 4 It is a partial structural schematic diagram of the injection molding mechanism and the multi-cavity cooling mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the disassembled structure of the multi-chamber cooling mechanism of the utility model.

[0022] In the figure: 1. fixing mechanism; 11. fixing base; 111. discharge port; 12. U-shaped frame; 13. material box; 14. feeding pipe; 2. injection molding mechanism; 21. fixing frame; 22. driving cylinder; 23. transmission frame; 24. guide rod; 25. pressing mold; 251. helmet pressure chamber; 3. multi-chamber cooling mechanism; 31. positioning frame; 32. fixing mold; 33. injection plastic pipe; 34. built-in feeding pipe; 35. cooling assembly; 351. cooling liquid circulation pipe; 352. cooling feeding pipe; 353. cooling chamber; 354. cooling discharge pipe. DETAILED DESCRIPTION

[0023] 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.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1The utility model discloses a multi-cavity injection molding device for a helmet with a cooling function, comprising a fixing mechanism 1, an injection molding mechanism 2 for extrusion molding of a helmet is fixedly arranged on one side of the fixing mechanism 1, a multi-cavity cooling mechanism 3 for injection cooling is fixedly connected to one end of the injection molding mechanism 2, the injection molding mechanism 2 comprises a guide rod 24 fixedly connected to the fixing mechanism 1, a pressing mold 25 slidably sleeved on the guide rod 24, the multi-cavity cooling mechanism 3 comprises a positioning frame 31 fixedly connected to one end of the guide rod 24, a fixed mold 32 fixedly connected to the positioning frame 31, four groups of built-in material pipes 34 are embedded in the fixed mold 32, and a cooling component 35 is vertically connected, and the cooling component 35 comprises four groups of cooling chambers 353.

[0026] Specifically, the guide rod 24 provides an injection crimping guide for the pressing mold 25. After the pressing mold 25 is combined with the fixed mold 32, material can be injected into the interior to complete the injection molding. The positioning frame 31 fixes the fixed mold 32. The built-in feeding tube 34 feeds material into the four helmet injection molding cavities. The cooling component 35 cools the injection molded parts. The cooling cavity 353 corresponds to the helmet injection molding cavity one by one, realizing a large-area contact between the coolant and the injection molded parts. The multi-cavity setting improves the injection molding production efficiency.

[0027] The utility model is further described below in conjunction with embodiments.

[0028] Embodiment 1:

[0029] Combination Figure 2-Figure 4 The fixing mechanism 1 includes a fixing base 11, a U-shaped frame 12 fixedly arranged on the upper end of the fixing base 11, a material box 13 connected to the center of the upper end of the U-shaped frame 12, and a feeding pipe 14 is arranged at the output end of the material box 13. The fixing base 11 realizes the connection and fixation between the injection molding mechanism 2 and the multi-cavity cooling mechanism 3. The U-shaped frame 12 supports the material box 13, the material box 13 feeds material to the feeding pipe 14, and the feeding pipe 14 feeds material into the multi-cavity cooling mechanism 3 to complete the injection molding.

[0030] The fixed base 11 is provided with a material discharge port 111 , which is arranged at the lower end of the fixed mold 32 . The safety helmet injection-molded in the fixed mold 32 can fall into the material discharge port 111 to achieve material discharge.

[0031] The injection molding mechanism 2 also includes a fixed frame 21 fixedly arranged at one end of the fixed base 11, a driving cylinder 22 arranged inside the fixed frame 21, and an output end of the driving cylinder 22 is connected to a transmission frame 23. The fixed frame 21 plays a protective and fixing role. The driving cylinder 22 drives the transmission frame 23, thereby driving the pressing mold 25 connected to one end of the transmission frame 23 to move along the guide rod 24.

[0032] Four helmet pressing cavities 251 are provided in the pressing mold 25. The four helmet pressing cavities 251 are arranged in two rows and two columns, so that four helmets can be injection molded at the same time, thereby improving production efficiency.

[0033] Embodiment 2:

[0034] Combination Figure 4 and Figure 5 The multi-cavity cooling mechanism 3 also includes an injection plastic tube 33 connected to the feeding tube 14. The four groups of fixed molds 32 are connected to the injection plastic tube 33. The injection plastic tube 33 is arranged at the center position of the fixed mold 32. The injection plastic tube 33 transports injection molding raw materials to the four groups of internal feeding tubes 34.

[0035] The cooling assembly 35 includes a cooling liquid circulation pipe 351 vertically embedded in the fixed mold 32. The cooling liquid circulation pipe 351 has two built-in pipes. The two built-in pipes of the cooling liquid circulation pipe 351 are respectively connected to the cooling feed pipe 352 and the cooling feed pipe 354.

[0036] The cooling assembly 35 also includes a cooling loading pipe 352 connected to the upper end of the cooling cavity 353 and a cooling unloading pipe 354 connected to the lower end of the cooling cavity 353. The upper and lower ends of the cooling loading pipe 352 and the cooling unloading pipe 354 are arranged to realize the upper inflow and lower outflow of the coolant, and realize the alternation of the coolant under the action of gravity.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] 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. A multi-cavity injection molding device for a helmet with a cooling function, comprising a fixing mechanism (1), characterized in that: An injection molding mechanism (2) for extrusion molding of a safety helmet is fixedly arranged on one side of the fixing mechanism (1), and a multi-cavity cooling mechanism (3) for injection cooling is fixedly connected to one end of the injection molding mechanism (2); The injection molding mechanism (2) comprises a guide rod (24) fixedly connected to the fixing mechanism (1), and a pressing mold (25) slidably connected to the guide rod (24); the multi-cavity cooling mechanism (3) comprises a positioning frame (31) fixedly connected to one end of the guide rod (24), and a fixed mold (32) fixedly connected to the positioning frame (31); four groups of built-in material pipes (34) are embedded in the fixed mold (32), and a cooling component (35) is vertically connected thereto; the cooling component (35) comprises four groups of cooling chambers (353).

2. A multi-cavity injection molding device for a helmet with a cooling function according to claim 1, characterized in that: The fixing mechanism (1) comprises a fixing base (11), a U-shaped frame (12) fixedly arranged on the upper end of the fixing base (11), and a material box (13) connected to the center of the upper end of the U-shaped frame (12); a feeding pipe (14) is arranged at the output end of the material box (13).

3. A multi-cavity injection molding device for a helmet with a cooling function according to claim 2, characterized in that: The fixed base (11) is provided with a material discharge port (111), and the material discharge port (111) is arranged at the lower end of the fixed mold (32).

4. A multi-cavity injection molding device for a helmet with a cooling function according to claim 2, characterized in that: The injection molding mechanism (2) further comprises a fixed frame (21) fixedly arranged at one end of the fixed base (11), a driving cylinder (22) arranged inside the fixed frame (21), and an output end of the driving cylinder (22) is connected to a transmission frame (23).

5. The multi-cavity injection molding device for a helmet with a cooling function according to claim 1, characterized in that: Four helmet pressing chambers (251) are provided in the pressing mold (25).

6. The multi-cavity injection molding device for a helmet with a cooling function according to claim 2, characterized in that: The multi-cavity cooling mechanism (3) further comprises an injection plastic pipe (33) connected to the feeding pipe (14), and the four groups of fixed molds (32) are connected to the injection plastic pipe (33).

7. The multi-cavity injection molding device for a helmet with a cooling function according to claim 1, characterized in that: The cooling assembly (35) comprises a cooling liquid circulation pipe (351) vertically embedded in the fixed mold (32), and the cooling liquid circulation pipe (351) has two pipelines built therein.

8. The multi-cavity injection molding device for a helmet with a cooling function according to claim 1, characterized in that: The cooling assembly (35) further comprises a cooling feed pipe (352) connected to the upper end of the cooling cavity (353) and a cooling feed pipe (354) connected to the lower end of the cooling cavity (353).

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