Lithium battery support mold

Abstract

The utility model discloses a lithium battery bracket mold. The lithium battery bracket mold comprises a front mold assembly and a rear mold assembly, the front die assembly comprises a front die plate, an upper support female die and a lower support female die are arranged on the front die plate, shaping grooves are formed in the upper support female die and the lower support female die, and first shaping columns are arranged in the shaping grooves. The rear die assembly comprises a rear die plate, an upper support male die and a lower support male die are arranged on the rear die plate, a plurality of shaping protrusions and second shaping columns are arranged on the upper support male die and the lower support male die, the shaping protrusions are arranged in a honeycomb shape, a gap is formed between every two adjacent shaping protrusions, and the second shaping columns are arranged in the gap. A connecting hole is formed in the second shaping column; during mold closing, the upper support female mold and the upper support male mold form an upper support injection molding cavity, the lower support female mold and the lower support male mold form a lower support injection molding cavity, the shaping protrusions stretch into the shaping grooves, and the top ends of the first shaping columns stretch into the connecting holes.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a lithium battery bracket mold. Background Art

[0002] A mold is various molds and tools used in industrial production to obtain required products by methods such as injection molding, blow molding, extrusion, die casting, or forging, smelting, stamping, etc. An injection mold usually includes a front mold and a rear mold. When the front mold and the rear mold are clamped, molten material is injected into the cavity through a gate. When the mold is opened, the front mold and the rear mold are separated to take out the plastic product.

[0003] A lithium battery is a type of battery with lithium metal or lithium alloy as the positive / negative electrode material and using a non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high requirements for the environment. With the development of science and technology, lithium batteries have become the mainstream.

[0004] People usually install multiple lithium batteries on a bracket to form a module for use. The bracket usually includes an upper bracket and a lower bracket to fix both ends of the lithium battery. Existing molds can usually only form one upper bracket or one lower bracket at a time, and cannot produce the upper bracket and the lower bracket simultaneously, which is not conducive to improving production efficiency. Content of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a lithium battery bracket mold to solve the technical problem of low production efficiency existing in the prior art.

[0006] The utility model is realized by adopting the following technical scheme: A lithium battery bracket mold includes a front mold assembly and a rear mold assembly;

[0007] The front mold assembly includes a front template. An upper bracket female mold and a lower bracket female mold are provided on the front template. The upper bracket female mold and the lower bracket female mold are provided with shaping grooves, and first shaping columns are arranged in the shaping grooves;

[0008] The rear mold assembly includes a rear template. An upper bracket male mold and a lower bracket male mold are provided on the rear template. A plurality of shaping protrusions and second shaping columns are arranged on both the upper bracket male mold and the lower bracket male mold. The plurality of shaping protrusions are arranged in a honeycomb shape, and there are gaps between adjacent shaping protrusions. A connection hole is provided on the second shaping column;

[0009] When the mold is clamped, the upper bracket female mold and the upper bracket male mold form an upper bracket injection cavity, the lower bracket female mold and the lower bracket male mold form a lower bracket injection cavity. The shaping protrusions extend into the shaping grooves, and the top of the first shaping column extends into the connection hole.

[0010] In a possible implementation, the outer sidewall of the first shaping post has a first step and a second step, the inner wall of the connecting hole has a third step, the first step abuts against the top surface of the second shaping post, and the second step abuts against the third step.

[0011] In a possible implementation, the first shaping post on the upper bracket female die penetrates through the upper bracket female die, an elastic member is provided at the top end of the first shaping post, one end of the elastic member abuts against the front template, and the other end of the elastic member abuts against the first shaping post.

[0012] In a possible implementation, a threaded groove is provided on the outer sidewall of the second shaping post.

[0013] In a possible implementation, a third shaping post is further provided on the upper bracket female die, and the third shaping post is used to form a blind hole in the product.

[0014] In a possible implementation, a jacking assembly is further included, the jacking assembly includes a jacking plate and a plurality of ejector pins, the jacking plate is slidably disposed below the rear template, the ejector pins are disposed on the jacking plate, and pin holes are provided in both the upper bracket male die and the lower bracket male die, and the ejector pins extend into the pin holes.

[0015] In a possible implementation, the ejector pins include a first ejector pin, a second ejector pin and a third ejector pin, the top surface of the first ejector pin abuts against the honeycomb frame of the molded product, the top surface of the second ejector pin abuts against the border of the molded product, and the top surface of the third ejector pin abuts against the bottom surface of the second shaping post.

[0016] In a possible implementation, cooling water pipes are provided in both the upper bracket male die and the lower bracket male die, and the cooling water pipes extend into the shaping protrusions.

[0017] In a possible implementation, a gating system is further included, the gating system includes a gate, a sprue, a manifold, a first sub-runner and a second sub-runner that are connected, the first sub-runner is connected to the upper bracket injection cavity, and the second sub-runner is connected to the lower bracket injection cavity.

[0018] In a possible implementation, a positioning protrusion is provided on the front template, and a positioning groove is provided on the rear template. After the mold is closed, the positioning protrusion extends into the positioning groove.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows: After the current mold assembly and the rear mold assembly are closed, the upper bracket female mold and the upper bracket male mold form an upper bracket injection cavity, and the lower bracket female mold and the lower bracket male mold form a lower bracket injection cavity. The hot melt material flows into the upper bracket injection cavity and the lower bracket injection cavity and cools to form a product. The arrangement of the shaping protrusions can form through holes arranged in a honeycomb pattern on the formed product, and the arrangement of the first shaping column and the second shaping column can form a connection structure on the formed product, so that the mold can form the upper bracket and the lower bracket at one time, which is beneficial to improving the production efficiency of the mold. Brief Description of the Drawings

[0020] Figure 1 is a schematic structural view of the lithium battery bracket mold of the present utility model;

[0021] Figure 2 is a schematic structural view of the front mold assembly in the lithium battery bracket mold of the present utility model;

[0022] Figure 3 is a schematic structural view of the rear mold assembly in the lithium battery bracket mold of the present utility model;

[0023] Figure 4 is a cross-sectional view of the first shaping column and the second shaping column in the lithium battery bracket mold of the present utility model;

[0024] Figure 5 is a schematic structural view of the ejector pin assembly in the lithium battery bracket mold of the present utility model;

[0025] Figure 6 is a schematic structural view of the gating system in the lithium battery bracket mold of the present utility model.

[0026] In the figure:

[0027] 100, front mold fixing plate; 101, front mold backing plate; 102, front mold plate; 103, rear mold plate; 104, spacer block; 105, rear mold fixing plate; 106, positioning protrusion; 107, positioning groove;

[0028] 200, upper bracket female mold; 201, lower bracket female mold; 202, shaping groove; 203, first shaping column; 204, first step; 205, second step; 206, elastic member; 207, fixing block; 208, third shaping column; 209, cooling water pipe;

[0029] 300, upper bracket male mold; 301, lower bracket male mold; 302, shaping protrusion; 303, second shaping column; 304, connection hole; 305, third step;

[0030] 400, lifting plate; 401, first ejector pin; 402, second ejector pin; 403, third ejector pin;

[0031] 500, Gate; 501, Main runner; 502, Manifold plate; 503, First sub-runner; 504, Second sub-runner. Detailed implementation manners

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0033] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, the descriptions involving "first", "second", etc. in the present application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0035] Such as Figure 1-6A lithium battery bracket mold shown in the figure includes a front mold assembly and a rear mold assembly; the front mold assembly includes a front template 102, on which there are an upper bracket female mold 200 and a lower bracket female mold 201, and there are shaping grooves 202 on the upper bracket female mold 200 and the lower bracket female mold 201, and a first shaping column 203 is arranged in the shaping groove 202; the rear mold assembly includes a rear template 103, on which there are an upper bracket male mold 300 and a lower bracket male mold 301, and there are a plurality of shaping protrusions 302 and a second shaping column 303 on both the upper bracket male mold 300 and the lower bracket male mold 301, the plurality of shaping protrusions 302 are arranged in a honeycomb shape, and there are gaps between adjacent shaping protrusions 302, and there is a connection hole 304 on the second shaping column 303; when the mold is closed, the upper bracket female mold 200 and the upper bracket male mold 300 form an upper bracket injection cavity, and the lower bracket female mold 201 and the lower bracket male mold 301 form a lower bracket injection cavity, the shaping protrusions 302 extend into the shaping groove 202, and the top end of the first shaping column 203 extends into the connection hole 304. It should be noted that the upper bracket female mold 200 and the lower bracket female mold 201 are arranged side by side, the upper bracket male mold 300 and the lower bracket male mold 301 are arranged side by side, the bottom surface of the shaping groove 202 is a shaping surface, and there are various groove-shaped structures and protrusion structures on the shaping surface to form the required shape on the molded product. The number of both the first shaping column 203 and the second shaping column 303 is multiple, and the multiple first shaping columns 203 are arranged close to the side wall of the shaping groove 202, and each first shaping column 203 and each second shaping column 303 are arranged in one-to-one correspondence. After the front mold assembly and the rear mold assembly are closed, the upper bracket female mold 200 and the upper bracket male mold 300 form an upper bracket injection cavity, and the lower bracket female mold 201 and the lower bracket male mold 301 form a lower bracket injection cavity. The hot melt material flows into the upper bracket injection cavity and the lower bracket injection cavity and cools to form a product. The top surface of the shaping protrusion 302 abuts against the bottom surface of the shaping groove 202. The setting of the shaping protrusion 302 can form through holes arranged in a honeycomb shape on the molded product. The setting of the first shaping column 203 and the second shaping column 303 can form a connection structure on the molded product, so that the mold can form the upper bracket and the lower bracket at one time, which is beneficial to improving the production efficiency of the mold.

[0036] It should be added that the front mold assembly further includes a front mold fixing plate 100 and a front mold backing plate 101. The front mold backing plate 101 is arranged on the front mold fixing plate 100, and the front template 102 is arranged on the front mold backing plate 101. The rear mold assembly further includes a rear mold fixing plate 105 and two spacers 104, and the two spacers 104 are respectively arranged on both sides of the rear mold fixing plate 105, and the rear template 103 is arranged on the spacers 104.

[0037] Please refer to Figure 4, in a possible implementation, the outer sidewall of the first shaping post 203 has a first step 204 and a second step 205, and the inner wall of the connection hole 304 has a third step 305. The first step 204 abuts against the top surface of the second shaping post 303, and the second step 205 abuts against the third step 305. It should be noted that the second shaping post 303 is movably arranged relative to the rear template 103. The abutment of the first step 204 against the top surface of the second shaping post 303 can prevent the hot melt material from flowing into the connection hole 304, and the abutment of the second step 205 against the third step 305 is conducive to improving the connection stability between the first shaping post 203 and the second shaping post 303.

[0038] Please refer to Figure 4 , in a possible implementation, the first shaping post 203 on the upper support female die 200 passes through the upper support female die 200. An elastic member 206 is provided at the top end of the first shaping post 203. One end of the elastic member 206 abuts against the front template 102, and the other end of the elastic member 206 abuts against the first shaping post 203. It should be noted that the air pressure in the injection cavity is relatively high, and the first shaping post 203 is prone to separation from the second shaping post 303 under the action of pressure. The setting of the elastic member 206 can make the first shaping post 203 approach the second shaping post 303 under the action of elastic force, so that the first shaping post 203 and the second shaping post 303 are closely attached, which is conducive to improving the production quality of the product. In addition, a fixing block 207 is also provided at the top end of the first shaping post 203. The elastic member 206 is a spring, and the elastic member 206 is arranged in the fixing block 207. One end of the elastic member 206 abuts against the front template 102, and the other end of the elastic member 206 abuts against the fixing block 207. The setting of the fixing block 207 can provide an installation basis for the elastic member 206 and play a limiting role on the elastic member 206 to prevent the elastic member 206 from shifting.

[0039] Please refer to Figure 4 , in a possible implementation, a thread groove is provided on the outer sidewall of the second shaping post 303. It is easy to understand that the setting of the thread groove is used to form threads in the connection hole 304 of the molded product. Since the second shaping post 303 is threadedly connected to the molded product, the second shaping post 303 needs to be demolded together with the molded product.

[0040] Please refer to Figure 2 , in a possible implementation, a third shaping post 208 is further provided on the upper support female die 200. The third shaping post 208 is used to form blind holes on the product. It should be noted that the number of the third shaping posts 208 is multiple, and the multiple third shaping posts 208 are arranged at equal intervals, and the third shaping posts 208 are arranged close to the sidewall surface of the shaping groove 202. The third shaping posts 208 and the second shaping posts 303 are located on different sides.

[0041] Please refer to Figure 3 andFigure 5 , in a possible implementation, it further includes a jacking assembly. The jacking assembly includes a jacking plate 400 and a plurality of ejector pins. The jacking plate 400 is slidably disposed below the rear template 103, and the ejector pins are disposed on the jacking plate 400. Pin holes are provided in both the upper support punch 300 and the lower support punch 301, and the ejector pins extend into the pin holes. It should be noted that the jacking plate 400 is disposed on the rear mold fixing plate 105, and the rear template 103 also has pin holes for the ejector pins to pass through. When the molded product needs to be ejected, the jacking plate 400 rises under the action of an external driving member, so that the molded product is ejected by the ejector pins to complete the demolding work.

[0042] Please refer to Figure 5 , in a possible implementation, the ejector pins include a first ejector pin 401, a second ejector pin 402, and a third ejector pin 403. The top surface of the first ejector pin 401 abuts against the honeycomb-shaped frame of the molded product, the top surface of the second ejector pin 402 abuts against the border of the molded product, and the top surface of the third ejector pin 403 abuts against the bottom surface of the second shaping column 303. It is easy to understand that when the molded product is demolded, the first ejector pin 401, the second ejector pin 402, and the third ejector pin 403 act on different positions of the molded product respectively, so that the molded product is evenly stressed and the molded product is ejected more smoothly. In addition, since the second shaping column 303 needs to be demolded together with the molded product, the third ejector pin 403 is used to eject the second shaping column 303.

[0043] Please refer to Figure 3 , in a possible implementation, cooling water pipes 209 are provided in both the upper support punch 300 and the lower support punch 301, and the cooling water pipes 209 extend into the shaping protrusions 302. It is easy to understand that cooling water pipes 209 are also provided on the rear template 103, and the two sides of the rear template 103 are respectively provided with a water inlet and a water outlet. The arrangement of the cooling water pipes 209 enables the product to be quickly cooled and formed, and the cooling water pipes 209 extending into the shaping protrusions 302 is beneficial to improving the forming rate of the product.

[0044] Please refer to Figure 6, in a possible implementation, it further includes a pouring system. The pouring system includes a connected gate 500, a main runner 501, a manifold plate 502, a first sub-runner 503, and a second sub-runner 504. The first sub-runner 503 is connected to the upper bracket injection cavity, and the second sub-runner 504 is connected to the lower bracket injection cavity. It should be noted that the gate 500 is arranged on the front mold fixing plate 100, the manifold plate 502 is arranged on the front mold backing plate 101, the main runner 501 is used to connect the gate 500 and the manifold plate 502. The number of both the first sub-runner 503 and the second sub-runner 504 is three. The molten material enters from the gate 500, passes through the main runner 501 and enters the manifold plate 502, then undergoes multiple splits in the manifold plate 502 and enters each first sub-runner 503 and each second sub-runner 504, and finally flows into the upper bracket injection cavity and the lower bracket injection cavity.

[0045] Please refer to Figure 2 and Figure 3 , in a possible implementation, the front template 102 is provided with a positioning protrusion 106, and the rear template 103 is provided with a positioning groove 107. After mold closing, the positioning protrusion 106 extends into the positioning groove 107. It is easy to understand that the arrangement of the positioning protrusion 106 and the positioning groove 107 can make the cooperation between the front template 102 and the rear template 103 more precise, which is beneficial to improving the overall structural stability of the mold.

[0046] The above implementation is only the preferred implementation of the present invention, and it cannot be used to limit the protection scope of the present invention. Any non-substantive changes and substitutions made by those skilled in the art based on the present invention belong to the protection scope required by the present invention.

Claims

1. A lithium battery bracket mold, characterized in that, It includes a front mold assembly and a rear mold assembly; The front mold assembly includes a front template, on which there are an upper bracket female mold and a lower bracket female mold. The upper bracket female mold and the lower bracket female mold are provided with shaping grooves, and first shaping columns are arranged in the shaping grooves; The rear mold assembly includes a rear template, on which there are an upper bracket male mold and a lower bracket male mold. A plurality of shaping protrusions and second shaping columns are arranged on both the upper bracket male mold and the lower bracket male mold. The plurality of shaping protrusions are arranged in a honeycomb shape, and there are gaps between adjacent shaping protrusions. A connecting hole is arranged on the second shaping column; When the molds are closed, the upper bracket female mold and the upper bracket male mold form an upper bracket injection cavity, the lower bracket female mold and the lower bracket male mold form a lower bracket injection cavity, the shaping protrusions extend into the shaping grooves, and the top ends of the first shaping columns extend into the connecting holes.

2. The lithium battery bracket mold according to claim 1, characterized in that, There are a first step and a second step on the outer side wall of the first shaping column, and a third step on the inner wall of the connecting hole. The first step abuts against the top surface of the second shaping column, and the second step abuts against the third step.

3. The lithium battery bracket mold according to claim 1, characterized in that, The first shaping column on the upper bracket female mold passes through the upper bracket female mold. An elastic member is arranged at the top end of the first shaping column. One end of the elastic member abuts against the front template, and the other end of the elastic member abuts against the first shaping column.

4. The lithium battery bracket mold according to claim 1, characterized in that, A threaded groove is arranged on the outer side wall of the second shaping column.

5. The lithium battery bracket mold according to claim 1, characterized in that, A third shaping column is also arranged on the upper bracket female mold, and the third shaping column is used to form a blind hole on the product.

6. The lithium battery bracket mold according to claim 1, characterized in that, It also includes a jacking assembly, which includes a jacking plate and a plurality of ejector pins. The jacking plate is slidably arranged below the rear template, the ejector pins are arranged on the jacking plate, and pin holes are arranged in both the upper bracket male mold and the lower bracket male mold. The ejector pins extend into the pin holes.

7. The lithium battery bracket mold according to claim 6, characterized in that, The ejector pins include a first ejector pin, a second ejector pin and a third ejector pin. The top surface of the first ejector pin abuts against the honeycomb-shaped frame of the molded product, the top surface of the second ejector pin abuts against the border of the molded product, and the top surface of the third ejector pin abuts against the bottom surface of the second shaping column.

8. The lithium battery bracket mold according to claim 1, characterized in that, Cooling water pipes are arranged in both the upper bracket male mold and the lower bracket male mold, and the cooling water pipes extend into the shaping protrusions.

9. The lithium battery bracket mold according to claim 1, characterized in that, It also includes a gating system, which includes a gate, a main runner, a manifold plate, a first sub-runner and a second sub-runner that are connected. The first sub-runner is connected to the upper bracket injection cavity, and the second sub-runner is connected to the lower bracket injection cavity.

10. The lithium battery bracket mold according to claim 1, characterized in that, A positioning protrusion is arranged on the front template, and a positioning groove is arranged on the rear template. After the molds are closed, the positioning protrusion extends into the positioning groove.

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