SMC forming die for battery pack shell part of new energy automobile

Abstract

The utility model provides an SMC (Sheet Molding Compound) forming die for a battery pack shell part of a new energy automobile, and belongs to the technical field of dies. The mold comprises an upper mold plate and a lower mold plate, a molding cavity is formed between the upper mold plate and the lower mold plate, an upper side and lower side synchronous glue feeding assembly connected with the molding cavity is arranged in the upper mold plate and the lower mold plate, a molding insert is arranged on the lower mold plate, a lower molding surface forming the molding cavity is formed on the molding insert, and a lower molding surface forming the molding cavity is formed on the molding insert. And a step-by-step ejection mechanism connected with the forming cavity is further arranged on the lower side of the lower mold plate. Glue can be synchronously fed into the forming cavity from the upper side and the lower side of the forming cavity through the upper side and lower side synchronous glue feeding assembly, the pouring efficiency can be effectively improved, after a product is subjected to injection molding, the step-by-step type ejection mechanism can eject out the product in the forming cavity in two steps, during ejection, thrust is applied to the edge of the product firstly, the edge of the product is ejected out, and then the product is ejected out. And then thrust is synchronously applied to the middle part and the edge of the product, so that the product can be ejected out from the lower mold plate without damage.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a new energy automobile battery package shell spare SMC forming die. BACKGROUND

[0002] The new energy automobile battery package shell spare is generally formed by injection molding, in the prior art, the glue feeding mechanism of the new energy automobile battery package shell spare mold is generally fed by upper glue feeding or lower glue feeding, and the pouring efficiency is low.

[0003] A battery pack aluminum alloy shell casting equipment is disclosed in Chinese patent [application number: 202411359781.3], which comprises a casting workbench, an injection assembly is fixedly installed on the right side of the top of the casting workbench, a fixed mold is arranged on the top of the casting workbench, and a movable mold is movably installed on one side of the fixed mold. UTILITY MODEL CONTENT

[0004] The utility model aims at the above -mentioned problem, provides a new energy automobile battery package shell spare SMC forming die.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A new energy automobile battery package shell spare SMC forming die, including the upper die plate and lower die plate, the upper die plate and lower die plate between setting up forming cavity, the upper die plate and lower die plate in setting up with the upper and lower side synchronous glue feeding assembly that forms the cavity is connected, the lower die plate on setting up forming insert block, the lower forming surface that constitutes forming cavity is formed on the forming insert block, the lower die plate downside still be equipped with with the forming cavity is connected step -by -step ejection mechanism.

[0007] In the new energy automobile battery package shell spare SMC forming die described above, the upper and lower side synchronous glue feeding assembly includes two no. One valve needle type glue feeding structure arranged on the upper die plate and two no. Two valve needle type glue feeding structures arranged on the lower die plate, and the no. One valve needle type glue feeding structure and no. Two valve needle type glue feeding structures are connected with the upper and lower sides of the forming cavity respectively.

[0008] In the new energy automobile battery package shell spare SMC forming die described above, the no. One valve needle type glue feeding structure includes two no. One vertical pouring runner vertically arranged in the upper die plate, and the upper die plate side is provided with no. One horizontal pouring runner connected with no. One vertical pouring runner, and the outer end of no. One horizontal pouring runner is connected with no. One valve.

[0009] The top end of the first vertical gate is vertically penetrated through the upper die plate, the upper die plate top is provided with a first valve needle vertically inserted into the first vertical gate, and the upper die plate top is further fixedly connected with a first oil cylinder connected with the first valve needle.

[0010] The second vertical gate bottom end is vertically penetrated through the lower die plate, the lower die plate bottom is provided with a second valve needle vertically inserted into the second vertical gate, and the lower die plate bottom is further fixedly connected with a second oil cylinder connected with the second valve needle.

[0011] The second vertical gate bottom end is vertically penetrated through the lower die plate, the lower die plate bottom is provided with a second valve needle vertically inserted into the second vertical gate, and the lower die plate bottom is further fixedly connected with a second oil cylinder connected with the second valve needle.

[0012] The step-by-step ejection mechanism comprises an upper top plate and a lower top plate arranged on the lower side of the lower die plate, the lower side of the lower die plate is further provided with a bottom plate, the bottom plate is provided with a first ejection assembly and a second ejection assembly connected with the upper top plate and the lower top plate respectively, a plurality of first straight top rods are fixedly connected on the upper top plate and arranged in the circumferential direction along the top edge of the forming insert, and a plurality of second straight top rods are fixedly connected on the lower top plate and uniformly distributed in the middle part of the forming insert.

[0013] The step-by-step ejection mechanism comprises an upper top plate and a lower top plate arranged on the lower side of the lower die plate, the lower side of the lower die plate is further provided with a bottom plate, the bottom plate is provided with a first ejection assembly and a second ejection assembly connected with the upper top plate and the lower top plate respectively, a plurality of first straight top rods are fixedly connected on the upper top plate and arranged in the circumferential direction along the top edge of the forming insert, and a plurality of second straight top rods are fixedly connected on the lower top plate and uniformly distributed in the middle part of the forming insert.

[0014] The step-by-step ejection mechanism comprises an upper top plate and a lower top plate arranged on the lower side of the lower die plate, the lower side of the lower die plate is further provided with a bottom plate, the bottom plate is provided with a first ejection assembly and a second ejection assembly connected with the upper top plate and the lower top plate respectively, a plurality of first straight top rods are fixedly connected on the upper top plate and arranged in the circumferential direction along the top edge of the forming insert, and a plurality of second straight top rods are fixedly connected on the lower top plate and uniformly distributed in the middle part of the forming insert.

[0015] The lower die plate is inwardly recessed and provided with an insert mounting groove, the forming insert is detachably arranged in the insert mounting groove, and the electric heating wire is arranged in the circumferential direction outside the forming insert.

[0016] Compared with the prior art, the advantages of the utility model lie in:

[0017] 1. The upper and lower side synchronous glue feeding assembly can feed glue into the forming cavity from the upper side and the lower side of the forming cavity, which can effectively improve the feeding efficiency. After the product is injection molded, the step-by-step ejection mechanism can eject the product in the forming cavity in two steps. When ejecting, the product edge is first pushed to separate the product edge, and then the product middle and edge are synchronously pushed, so that the product can be ejected from the lower mold plate without damage.

[0018] 2. The first valve needle type glue feeding structure and the second valve needle type glue feeding structure can respectively inject glue into the forming cavity from the upper side and the lower side of the forming cavity.

[0019] Other advantages, objects and features of the present application will be partially embodied in the following description, and will also be understood by those skilled in the art through research and practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the external structure of the present application;

[0021] Figure 2 is a sectional view of the present application;

[0022] Figure 3 is a schematic diagram of the structure of the lower mold plate;

[0023] Figure 4 is a schematic diagram of the local structure of the lower mold plate;

[0024] Figure 5 is a schematic diagram of the structure of the step-by-step ejection mechanism. DETAILED DESCRIPTION

[0025] As shown in Figures 1-5 A new energy automobile battery pack shell piece SMC forming mold, comprising an upper mold plate 1 and a lower mold plate 2, the upper mold plate 1 and the lower mold plate 2 are provided with a forming cavity 3, the upper mold plate 1 and the lower mold plate 2 are provided with upper and lower side synchronous glue feeding assemblies connected with the forming cavity 3, the lower mold plate 2 is provided with a forming insert 4, the lower forming surface 5 of the forming cavity 3 is formed on the forming insert 4, and the lower mold plate 2 is further provided with a step-by-step ejection mechanism 6 connected with the forming cavity 3.

[0026] In the present application, the upper and lower side synchronous glue feeding assembly can feed glue into the forming cavity from the upper side and the lower side of the forming cavity, which can effectively improve the feeding efficiency. After the product is injection molded, the step-by-step ejection mechanism 6 can eject the product in the forming cavity in two steps. When ejecting, the product edge is first pushed to separate the product edge, and then the product middle and edge are synchronously pushed, so that the product can be ejected from the lower mold plate without damage.

[0027] Specifically, the upper and lower side glue injection assembly comprises two No. 1 valve needle type glue injection structures 7 arranged on the upper mold plate 1 and two No. 2 valve needle type glue injection structures 8 arranged on the lower mold plate 2, and the No. 1 valve needle type glue injection structure 7 and the No. 2 valve needle type glue injection structure 8 are connected with the upper and lower sides of the forming cavity 3 respectively. Through the No. 1 valve needle type glue injection structure 7 and the No. 2 valve needle type glue injection structure 8, glue can be injected into the forming cavity from the upper and lower sides of the forming cavity 3 respectively.

[0028] Specifically, the No. 1 valve needle type glue injection structure 7 comprises two No. 1 vertical runner channels 9 vertically arranged in the upper mold plate 1, and a No. 1 horizontal runner channel connected with the No. 1 vertical runner channel 9 is arranged on the side of the upper mold plate 1, and a No. 1 valve 10 is connected to the outer end of the No. 1 horizontal runner channel, the top end of the No. 1 vertical runner channel 9 vertically penetrates the upper mold plate 1, a No. 1 valve needle 11 vertically inserted into the No. 1 vertical runner channel 9 is arranged on the top of the upper mold plate 1, and a No. 1 oil cylinder 12 connected with the No. 1 valve needle 11 is further fixedly connected to the top of the upper mold plate 1. When the product is injection molded, the No. 1 oil cylinder drives the No. 1 valve needle to rise, at this time, glue is injected through the No. 1 valve 10, and the glue can be injected into the forming cavity through the No. 1 horizontal runner channel and the No. 1 vertical runner channel 9, and the No. 1 oil cylinder drives the No. 1 valve needle to descend to block the No. 1 vertical runner channel 9.

[0029] Specifically, the No. 2 valve needle type glue injection structure 8 comprises two No. 2 vertical runner channels 13 vertically arranged in the lower mold plate 2, and a No. 2 horizontal runner channel connected with the No. 2 vertical runner channel 13 is arranged on the side of the lower mold plate 2, and a No. 2 valve 14 is connected to the outer end of the No. 2 horizontal runner channel, the bottom end of the No. 2 vertical runner channel 13 vertically penetrates the lower mold plate 2, a No. 2 valve needle 15 vertically inserted into the No. 2 vertical runner channel 13 is arranged on the bottom of the lower mold plate 2, and a No. 2 oil cylinder 16 connected with the No. 2 valve needle 15 is further fixedly connected to the bottom of the lower mold plate 2. When the product is injection molded, the No. 2 oil cylinder drives the No. 2 valve needle to descend, at this time, glue is injected through the No. 2 valve, and the glue can be injected into the forming cavity through the No. 2 horizontal runner channel and the No. 2 vertical runner channel, and the No. 2 oil cylinder drives the No. 2 valve needle to rise to block the No. 2 vertical runner channel.

[0030] Specifically, the step-by-step ejection mechanism 6 comprises an upper top plate 17 and a lower top plate 18 arranged on the lower side of the lower die plate 2, and the lower side of the lower die plate 2 is further provided with a bottom plate 19, and the bottom plate 19 is provided with a first ejection assembly and a second ejection assembly connected with the upper top plate 17 and the lower top plate 18 respectively, and the upper top plate 17 is fixedly connected with a plurality of first straight top rods 20 arranged in the circumferential direction of the top edge of the forming insert 4, and the lower top plate 18 is fixedly connected with a plurality of second straight top rods 21 uniformly distributed in the middle part of the forming insert 4. After the product is injection molded, the first ejection assembly drives the upper top plate 17 to move upward, and the product edge can be pushed away from the forming insert by the plurality of first straight top rods, and then the second ejection assembly drives the lower top plate to move upward, and the product middle part can be pushed away from the forming insert by the plurality of second straight top rods, so that the product can be ejected without damage.

[0031] Specifically, the first ejection assembly comprises a plurality of first lifting oil cylinders 22, the output shaft end of the first lifting oil cylinder 22 is fixedly connected with the bottom plate 19, the top of the first lifting oil cylinder 22 is fixedly connected with the upper top plate 17, the lower top plate 18 is provided with a through groove, and the first lifting oil cylinder 22 is arranged in the through groove. The plurality of first lifting oil cylinders can drive the upper top plate to move up and down in the vertical direction.

[0032] Specifically, the second ejection assembly comprises a plurality of second lifting oil cylinders 23, the bottom of the second lifting oil cylinder 23 is fixedly connected with the lower top plate 18, and the output shaft end of the second lifting oil cylinder 23 penetrates the lower top plate 18 and is fixedly connected with the bottom plate 19. The plurality of second lifting oil cylinders can drive the lower top plate to move up and down in the vertical direction.

[0033] Specifically, the lower die plate 2 is inwardly recessed to form an insert mounting groove, the forming insert 4 is detachably arranged in the insert mounting groove, and the forming insert 4 is surrounded by the electric heating wire 24. The electric heating wire can preheat and heat the forming insert.

[0034] The working principle of the utility model is: through the upper and lower side synchronous glue feeding assembly, glue can be fed into the forming cavity from the upper side and the lower side of the forming cavity synchronously, the pouring efficiency can be effectively improved, after the product is injection molded, the step-by-step ejection mechanism 6 can eject the product in the forming cavity in two steps, when ejecting, the product edge is first pushed away, then the product middle part is pushed, so that the product can be ejected from the lower die plate without damage;

[0035] The glue can be injected into the forming cavity through the first horizontal runner and the first vertical runner 9 when the product is injection molded, the first oil cylinder drives the first valve needle to descend to block the first vertical runner 9, the glue can be injected into the forming cavity through the second horizontal runner and the second vertical runner when the product is injection molded, the second oil cylinder drives the second valve needle to ascend to block the second vertical runner;

[0036] After the product is injection molded, the upper top plate 17 is driven to move upward by the first ejection assembly, the product edge can be separated from the forming insert by the push force of the plurality of first straight ejection rods, then the lower top plate is driven to move upward by the second ejection assembly, the product middle part can be separated from the forming insert by the push force of the second straight ejection rods, the product can be ejected without damage, the upper top plate can be driven to move vertically by the plurality of first lifting oil cylinders, the lower top plate can be driven to move vertically by the plurality of second lifting oil cylinders, the forming insert can be preheated and kept warm by the electric heating wire.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A new energy automobile battery pack shell piece SMC forming die, comprising an upper die plate (1) and a lower die plate (2), characterized in that, The upper die plate (1) and the lower die plate (2) are provided with a forming cavity (3), the upper die plate (1) and the lower die plate (2) are provided with upper and lower side synchronous glue feeding assemblies connected with the forming cavity (3), the lower die plate (2) is provided with a forming insert block (4), a lower forming surface (5) forming the forming cavity (3) is formed on the forming insert block (4), and the lower die plate (2) is further provided with a step-by-step ejection mechanism (6) connected with the forming cavity (3) on the lower side.

2. The new energy vehicle battery pack shell piece SMC forming die according to claim 1, characterized in that, The upper and lower side synchronous glue feeding assemblies comprise two No. 1 valve needle type glue feeding structures (7) arranged on the upper die plate (1) and two No. 2 valve needle type glue feeding structures (8) arranged on the lower die plate (2), and the No. 1 valve needle type glue feeding structure (7) and the No. 2 valve needle type glue feeding structure (8) are connected with the upper and lower sides of the forming cavity (3) respectively.

3. The new energy vehicle battery pack shell piece SMC forming die according to claim 2, characterized in that, The No. 1 valve needle type glue feeding structure (7) comprises two No. 1 vertical feeding runners (9) vertically arranged in the upper die plate (1), the side of the upper die plate (1) is provided with a No. 1 horizontal feeding runner connected with the No. 1 vertical feeding runner (9), and the outer end of the No. 1 horizontal feeding runner is connected with a No. 1 valve (10).

4. The new energy vehicle battery pack shell piece SMC forming die according to claim 3, characterized in that, The top end of the No. 1 vertical feeding runner (9) vertically penetrates the upper die plate (1), the top of the upper die plate (1) is provided with a No. 1 valve needle (11) vertically inserted into the No. 1 vertical feeding runner (9), and the top of the upper die plate (1) is further fixedly connected with a No. 1 oil cylinder (12) connected with the No. 1 valve needle (11).

5. The new energy vehicle battery pack shell piece SMC forming die according to claim 2, characterized in that, The No. 2 valve needle type glue feeding structure (8) comprises two No. 2 vertical feeding runners (13) vertically arranged in the lower die plate (2), the side of the lower die plate (2) is provided with a No. 2 horizontal feeding runner connected with the No. 2 vertical feeding runner (13), and the outer end of the No. 2 horizontal feeding runner is connected with a No. 2 valve (14).

6. The new energy vehicle battery pack shell piece SMC forming die according to claim 5, characterized in that, The bottom end of the No. 2 vertical feeding runner (13) vertically penetrates the lower die plate (2), the bottom of the lower die plate (2) is provided with a No. 2 valve needle (15) vertically inserted into the No. 2 vertical feeding runner (13), and the bottom of the lower die plate (2) is further fixedly connected with a No. 2 oil cylinder (16) connected with the No. 2 valve needle (15).

7. The new energy vehicle battery pack shell piece SMC forming die according to claim 1, characterized in that, The step-by-step ejection mechanism (6) comprises an upper top plate (17) and a lower top plate (18) arranged on the lower side of the lower die plate (2), the lower side of the lower die plate (2) is further provided with a bottom plate (19), the bottom plate (19) is provided with a No. 1 ejection assembly and a No. 2 ejection assembly connected with the upper top plate (17) and the lower top plate (18) respectively, a plurality of No. 1 straight top rods (20) are fixedly connected to the upper top plate (17) and arranged circumferentially along the top edge of the forming insert block (4), and a plurality of No. 2 straight top rods (21) are fixedly connected to the lower top plate (18) and uniformly distributed in the middle of the forming insert block (4).

8. The new energy vehicle battery pack shell piece SMC forming die according to claim 7, characterized in that, The first ejection assembly comprises a plurality of first lifting oil cylinders (22), output shaft ends of the first lifting oil cylinders (22) are fixedly connected with the bottom plate (19), top portions of the first lifting oil cylinders (22) are fixedly connected with the upper top plate (17), the lower top plate (18) is provided with a through groove, and the first lifting oil cylinders (22) are arranged in the through groove.

9. The new energy vehicle battery pack shell piece SMC forming die according to claim 8, characterized in that, The second ejection assembly comprises a plurality of second lifting oil cylinders (23), bottom portions of the second lifting oil cylinders (23) are fixedly connected with the lower top plate (18), output shaft ends of the second lifting oil cylinders (23) penetrate the lower top plate (18) and are fixedly connected with the bottom plate (19).

10. The new energy vehicle battery pack shell piece SMC forming die according to claim 1, characterized in that, The lower die plate (2) is inwardly recessed to be provided with an insert mounting groove, the forming insert (4) is detachably arranged in the insert mounting groove, and the forming insert (4) is peripherally arranged with the electric heating wire (24).

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