Injection molding device for power battery structural member

Abstract

The utility model provides an injection molding device for a power battery structural member, which belongs to the technical field of injection molding devices and comprises an injection molding mechanism, a fixed mold, a movable mold assembled with the fixed mold, two driving cylinders for driving the movable mold to lift, a fixed frame for supporting the fixed mold, and a pushing cylinder fixedly mounted on the inner side of the fixed frame, the pushing plate is fixedly mounted at the output end of the pushing cylinder and is used for demolding the structural part; and the cooling mechanism comprises a water cooling part used for carrying out liquid cooling on the fixed mold and an air cooling part used for carrying out air cooling on the interior of the fixed mold. Through the cooperation of the water-cooling part and the air-cooling part, the cooling effect in the fixed mold can be effectively improved, the temperature of a structural part can be quickly reduced, the problem of low efficiency easily caused when a traditional injection molding device only depends on a water-cooling mode for cooling is solved, the cooling efficiency of the injection molding device is improved, and the production efficiency of the structural part is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding device technical field, concretely relates to injection molding device of power battery structural member. BACKGROUND

[0002] The injection molding device of battery structural member is a special equipment for producing key structural members of power battery, and its core function is to inject molten material into a mold through injection molding process to form the required battery structural member. The device usually includes an injection molding machine, a mold, a cooling system and other core components. The injection molding machine is responsible for heating and injecting materials into the mold, the mold is used for shaping, and the cooling system quickly reduces the temperature of the structural member through water cooling, air cooling or liquid cooling to ensure its dimensional stability and mechanical properties. The design of the injection molding device needs to consider production efficiency, cooling effect and product quality to meet the requirements of high precision and high reliability for power battery manufacturing.

[0003] In the manufacturing and production of power battery structural members, the injection molding device is one of the core equipment for producing various structural members. The traditional injection molding device usually uses water cooling method to cool the structural member. However, after long-term use, the water cooling system is prone to cause cooling efficiency to decrease due to scale, impurities accumulation and other reasons, thereby affecting the cooling effect and production efficiency of the structural member. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an injection molding device for power battery structural members, which aims to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The injection molding device for power battery structural members comprises,

[0007] The injection molding mechanism comprises a fixed mold, a movable mold combined with the fixed mold, two drive cylinders for driving the movable mold to rise and fall, a fixed frame for supporting the fixed mold, a push cylinder fixedly installed on the inner side of the fixed frame, and a push plate fixedly installed on the output end of the push cylinder and used for structural member demolding.

[0008] The cooling mechanism comprises a water cooling component for liquid cooling of the fixed mold, and a gas cooling component for gas cooling of the inside of the fixed mold.

[0009] As a preferred scheme of the utility model, the water cooling component comprises a storage box fixedly installed on the inner side of the fixed frame, a circulating pump for pumping the cooling liquid inside the storage box, a water inlet pipe communicated with the output end of the circulating pump, two connection water pipes fixedly installed on the surface of the fixed mold, an annular cooling channel opened in the inside of the fixed mold and used for cooling the structural member, and a backflow pipe for backflow of the cooling liquid to the inside of the storage box.

[0010] As a preferred scheme of the utility model, two ends of the connecting water pipes are communicated with the water inlet pipe and the return pipe respectively, and the two connecting water pipes are communicated with the annular cooling channel.

[0011] As a preferred scheme of the utility model, the surface of the storage box is communicated with a water injection pipe, and the input end of the circulating pump extends to the inside of the storage box.

[0012] As a preferred scheme of the utility model, the inside of the storage box is provided with a plurality of cooling plates for cooling the cooling liquid, and the cooling plates are fixedly connected with the inner wall of the storage box.

[0013] As a preferred scheme of the utility model, the surface of the cooling plate is fixedly installed with a plurality of flow resistance plates, and the flow resistance plates resist the flow of the cooling liquid.

[0014] As a preferred scheme of the utility model, the air cooling component comprises an air compressor arranged on the inside of the fixed frame, a gas guide pipe communicated with the output end of the air compressor, a regulating valve adaptedly installed on the gas guide pipe and used for adjusting the size of air flow, and a jet nozzle arranged at the end of the gas guide pipe and used for jetting air.

[0015] As a preferred scheme of the utility model, the air cooling component further comprises a fixing ring fixedly installed on the inside of the fixed frame, and the fixing ring is used for mounting the air compressor.

[0016] Compared with the prior art, the utility model has the beneficial effects that: through the cooperation between the water cooling component and the air cooling component, the cooling effect inside the fixed mold can be effectively improved, the temperature of the structural part is quickly reduced, the problem of insufficient efficiency that is prone to occurring when the traditional injection molding device only relies on the water cooling mode is solved, the cooling efficiency of the injection molding device is improved, and the production efficiency of the structural part is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0018] Figure 1 It is the overall structure schematic view of the utility model;

[0019] Figure 2 It is the fixed mold and movable mold structure schematic view of the utility model;

[0020] Figure 3 It is the water cooling component structure schematic view of the utility model;

[0021] Figure 4 It is the fixed mould section structure schematic view of the utility model;

[0022] Figure 5 It is the storage box section structure schematic view of the utility model;

[0023] Figure 6 It is the air cooling component structure schematic view of the utility model.

[0024] In the figure: 100, injection molding mechanism;101, fixed mould;102, movable mould;103, drive cylinder;104, fixed frame;105, push cylinder;106, push plate;200, cooling mechanism;201, water cooling component;201a, storage tank;201b, circulating pump;201c, water inlet pipe;201d, connecting water pipe;201e, annular cooling channel;201f, return pipe;201g, cooling plate;201h, resistance plate;202, air cooling component;202a, air compressor;202b, air guide pipe;202c, control valve;202d, injection nozzle;202e, fixed ring. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the specific implementation of the utility model is explained in detail below with the help of the attached drawings of the specification.

[0026] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without violating the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0027] Secondly, the "one embodiment" or "embodiment" referred to here means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0028] EMBODIMENT

[0029] REFERENCE Figures 1-6 For the embodiment of the utility model, the injection molding device of the power battery structure is provided, comprising,

[0030] The injection mechanism 100 comprises a fixed mold 101, a movable mold 102 combined with the fixed mold 101, two driving cylinders 103 for driving the movable mold 102 to ascend and descend, a fixed frame 104 for supporting the fixed mold 101, a pushing cylinder 105 fixedly installed on the inner side of the fixed frame 104, and a pushing plate 106 fixedly installed on the output end of the pushing cylinder 105 and used for demolding the structural part.

[0031] The cooling mechanism 200 comprises a water cooling component 201 for liquid cooling of the fixed mold 101, and a gas cooling component 202 for gas cooling of the inside of the fixed mold 101.

[0032] Through cooperation between the water cooling component 201 and the gas cooling component 202, the cooling effect of the inside of the fixed mold 101 can be effectively improved, the temperature of the structural part can be quickly reduced, the problem of insufficient efficiency that easily occurs when the traditional injection device relies on the water cooling mode for cooling is solved, the cooling efficiency of the injection device is improved, and the production efficiency of the structural part is ensured.

[0033] Specifically, the water cooling component 201 comprises a storage box 201a fixedly installed on the inner side of the fixed frame 104, a circulating pump 201b for pumping out the cooling liquid in the storage box 201a, a water inlet pipe 201c communicated with the output end of the circulating pump 201b, two connecting water pipes 201d fixedly installed on the surface of the fixed mold 101, an annular cooling channel 201e opened in the inside of the fixed mold 101 and used for cooling the structural part, and a backflow pipe 201f for backflow of the cooling liquid to the inside of the storage box 201a.

[0034] Through the storage box 201a for storing the cooling liquid, the cooling liquid in the storage box 201a is pumped out under the action of the circulating pump 201b and introduced into the inside of the annular cooling channel 201e through the water inlet pipe 201c and the connecting water pipe 201d, the heat of the fixed mold 101 is taken away when the cooling liquid flows through the annular cooling channel 201e, and then the structural part injected in the inside of the fixed mold 101 is cooled, and the cooled cooling liquid is backflowed to the inside of the storage box 201a through the backflow pipe 201f, and the cooling of the structural part is completed.

[0035] Further, the ends of the two connecting water pipes 201d are respectively communicated with the water inlet pipe 201c and the backflow pipe 201f, and the two connecting water pipes 201d are communicated with the annular cooling channel 201e.

[0036] Preferably, the surface of the storage box 201a is communicated with a water injection pipe, and the input end of the circulating pump 201b extends to the inside of the storage box 201a.

[0037] Through the water injection pipe, the cooling liquid is injected into the inside of the storage box 201a.

[0038] Further, the inside of the storage box 201a is provided with a plurality of cooling plates 201g for cooling the cooling liquid, and the cooling plates 201g are fixedly connected with the inner wall of the storage box 201a.

[0039] The plurality of cooling plates 201g form a serpentine space therebetween to increase the flow path of the cooling liquid inside the storage box 201a, improve the cooling effect of the cooling liquid, cool the cooling liquid through the cooling plates 201g, and transfer heat to the storage box 201a to dissipate.

[0040] Further, the surface of the cooling plate 201g is fixedly provided with a plurality of flow resistance plates 201h for resisting the flow of the cooling liquid.

[0041] The flow resistance plates 201h are used to resist the flow of the cooling liquid, reduce the flow speed of the cooling liquid inside the storage box 201a, and improve the cooling effect of the cooling plate 201g on the cooling liquid.

[0042] Specifically, the air-cooled component 202 includes an air compressor 202a arranged inside the fixed frame 104, a gas guide pipe 202b connected to the output end of the air compressor 202a, a control valve 202c adaptedly installed on the gas guide pipe 202b and used to adjust the air flow size, and a jet nozzle 202d arranged at the end of the gas guide pipe 202b and used to jet air.

[0043] The air compressor 202a is used to compress air, the compressed air is discharged through the gas guide pipe 202b, and the air is jetted into the inside of the connecting water pipe 201d through the jet nozzle 202d, so that the air enters the inside of the annular cooling channel 201e to cool the mold 101, thereby cooling and cooling the structural part, and the control valve 202c is used to adjust the flow rate of the air jet.

[0044] Further, the air-cooled component 202 further includes a fixed ring 202e fixedly installed inside the fixed frame 104, and the fixed ring 202e is used to install the air compressor 202a.

[0045] The fixed ring 202e is used to install and fix the air compressor 202a, thereby improving the installation stability of the air compressor 202a.

[0046] In use, after injection molding is completed, the cooling of the structural part can be liquid cooling, air cooling, and mixed cooling of the two;

[0047] Liquid cooling, close the regulating valve 202c, under the action of circulating pump 201b, the cooling liquid in the storage tank 201a is pumped out and introduced into the inside of the annular cooling channel 201e through the water inlet pipe 201c and the connecting water pipe 201d. When the cooling liquid flows through the annular cooling channel 201e, the heat of the mold 101 is taken away, and then the structure inside the mold 101 is cooled. The cooled cooling liquid is returned to the inside of the storage tank 201a through the return pipe 201f, and the liquid cooling of the structure is completed.

[0048] Air cooling, the air compressor 202a compresses the air, discharges the compressed air through the air guide pipe 202b, and then sprays the air into the inside of the connecting water pipe 201d through the spray nozzle 202d, so that the air enters the inside of the annular cooling channel 201e. The air flows through the annular cooling channel 201e to take away the heat inside the mold 101, enters the inside of the storage tank 201a through the return pipe 201f, and finally discharges the air through the water injection pipe to cool the mold 101, thereby cooling the structure.

[0049] Mixed cooling, open the regulating valve 202c, and start the circulating pump 201b and the air compressor 202a, and then the cooling liquid and the air enter the inside of the annular cooling channel 201e. The gas can accelerate the flow of the cooling liquid in the annular cooling channel 201e and enhance the heat exchange effect. The water cooling and air cooling cooperate with each other to realize double cooling.

[0050] In summary, through the cooperation between the water cooling part 201 and the air cooling part 202, the cooling effect inside the mold 101 can be effectively improved, the temperature of the structure can be quickly reduced, and the problem of insufficient efficiency that easily occurs when the traditional injection molding device relies only on water cooling for cooling is solved. The cooling efficiency of the injection molding device is improved, and the production efficiency of the structure is ensured.

[0051] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein. For example, elements described as integrated in a single unit can be separated, elements described as separate can be integrated, and the position, number, shape, and arrangements of elements can be varied. Accordingly, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the general nature of the claims. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the foregoing describes are intended to cover.

[0052] Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0053] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can inevitably lead to a number of substitutions, modifications, changes, and omissions of parts illustrated as having a specific configuration. Such are the natural consequences of research and development efforts, and

[0054] It should be noted that the above examples are intended to illustrate the technical solutions of the present application but not limit the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. An injection molding device for power battery structural components, characterized in that: include, The injection molding mechanism (100) includes a fixed mold (101), a moving mold (102) that closes with the fixed mold (101), two drive cylinders (103) for driving the moving mold (102) to rise and fall, a fixed frame (104) that supports the fixed mold (101), a push cylinder (105) fixedly installed inside the fixed frame (104), and a push plate (106) fixedly installed at the output end of the push cylinder (105) for demolding the structural parts. The cooling mechanism (200) includes a water-cooling component (201) for liquid cooling of the fixed mold (101) and an air-cooling component (202) for gas cooling of the interior of the fixed mold (101).

2. The injection molding device for the power battery structural component according to claim 1, characterized in that: The water-cooled component (201) includes a storage tank (201a) fixedly installed inside the fixed frame (104), a circulation pump (201b) for pumping out coolant from the storage tank (201a), a water inlet pipe (201c) connected to the output end of the circulation pump (201b), two connecting water pipes (201d) fixedly installed on the surface of the fixed mold (101), an annular cooling channel (201e) opened inside the fixed mold (101) for cooling structural components, and a return pipe (201f) for coolant to flow back into the storage tank (201a).

3. The injection molding device for the power battery structural component according to claim 2, characterized in that: The ends of the two connecting water pipes (201d) are respectively connected to the inlet pipe (201c) and the return pipe (201f), and the two connecting water pipes (201d) are connected to the annular cooling channel (201e).

4. The injection molding device for the power battery structural component according to claim 3, characterized in that: The surface of the storage tank (201a) is connected to a water injection pipe, and the input end of the circulation pump (201b) extends into the interior of the storage tank (201a).

5. The injection molding device for the power battery structural component according to claim 4, characterized in that: The storage tank (201a) is equipped with several cooling plates (201g) for dissipating heat from the coolant, and the cooling plates (201g) are fixedly connected to the inner wall of the storage tank (201a).

6. The injection molding device for the power battery structural component according to claim 5, characterized in that: A plurality of flow-blocking plates (201h) are fixedly installed on the surface of the cooling plate (201g), and the flow-blocking plates (201h) obstruct the flow of coolant.

7. The injection molding device for the power battery structural component according to claim 6, characterized in that: The air-cooling component (202) includes an air compressor (202a) disposed inside the fixed frame (104), an air duct (202b) connected to the output end of the air compressor (202a), a control valve (202c) adapted to be installed on the air duct (202b) and used to adjust the airflow size, and an injection nozzle (202d) disposed at the end of the air duct (202b) and used to inject air.

8. The injection molding device for the power battery structural component according to claim 7, characterized in that: The air-cooled component (202) also includes a fixing ring (202e) fixedly installed inside the fixing frame (104), the fixing ring (202e) being used to install the air compressor (202a).

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