CN219153616U

CN219153616U - Battery support mould

Info

Publication number: CN219153616U
Application number: CN202222875133.6U
Authority: CN
Inventors: 黄佰胜; 余志强; 林可贵
Original assignee: Heping Huayi Plastic Products Co ltd
Current assignee: Heping Huayi Plastic Products Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-06-09
Anticipated expiration: 2032-10-28

Abstract

The utility model provides a battery support die, which comprises an upper die plate and a lower die plate, wherein the upper die plate is provided with an upper die, the lower die plate is provided with a lower die for forming the internal shape of a battery support, the lower die comprises a lower die body and a plurality of cores arranged on the lower die body and used for forming a battery mounting cavity, the cores are in a rectangular array, each core comprises a fixed core and a core insert, the fixed core is integrally connected with the lower die body, the core inserts are detachably arranged on the lower die body, the edge array comprises a plurality of core inserts, the internal array comprises fixed cores and core inserts, and the fixed cores are distributed in the internal array at intervals. Because the core insert has a certain exhaust effect relative to the fixed core, internal gas is easier to exhaust and glue is easier to move during injection molding; when demolding, gas is easier to enter the interior, so that the demolding difficulty is reduced.

Description

Battery support mould

Technical Field

The utility model relates to the field of die equipment, in particular to a battery bracket die.

Background

The new energy is widely applied to electronic equipment and mechanical equipment, and the design and production of battery packs are more and more important. The structure of the battery pack is that the positive electrode and the negative electrode of each battery cell are fixed through a battery bracket, so that a plurality of battery cells are assembled and packaged into one battery pack. The energy density of the battery cells of the same brand is the same, but the energy density of the battery packs is different due to different packaging modes, and the energy density of the battery packs is one of important parameters of the battery packs. For the battery support, more battery mounting cavities are arranged on a smaller area, so that the energy density of the battery pack can be effectively increased, and the battery mounting cavities are usually required to be closely arranged for the design of the battery support.

However, under the design requirement, the cores of the formed battery mounting cavity are densely distributed, the gaps among the cores are small, and the problems of difficult forming glue running, difficult demoulding and the like are caused.

Disclosure of Invention

In order to overcome the defects in the prior art, one of the purposes of the utility model is to provide a battery bracket die and an injection die, so as to solve the technical problem of firing pins in the die in the prior art.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a battery support mould, includes cope match-plate pattern and lower bolster, be equipped with the mould on the cope match-plate pattern, be equipped with the lower bolster that is used for shaping battery support inside shape on the lower bolster, the lower bolster include the lower bolster body with set up in a plurality of cores that are used for shaping battery installation cavity on the lower bolster body, the core is rectangular array, the core includes definite core and core mold insert, definite core with lower bolster body coupling, core mold insert detachably set up in on the lower bolster body, the edge range includes a plurality of core mold inserts, inside range includes definite core and core mold insert, in the inside range, design core interval distribution.

Optionally, a downward extending inlay hole is formed in the top of the lower die body, an upward extending connection hole is formed in the bottom of the lower die body, and the connection hole is communicated with the inlay hole;

the core insert comprises a forming part and a mounting part, the diameter of the mounting part is smaller than that of the forming part, and the mounting part is embedded into the embedded hole;

the upper die is provided with a fastener, the fastener extends into the embedded hole from the connecting hole, and the fastener is connected with the mounting part.

Optionally, the battery support mold further comprises a side mold and an inclined guide column, the side mold is slidably arranged on the lower mold plate, a guide hole is formed in the side mold, the inclined guide column is inclined to the position where the upper mold is located, the upper end of the inclined guide column is connected with the upper mold plate, and the lower end of the inclined guide column is arranged in the guide hole in a penetrating mode.

Optionally, the side form includes shaping piece and slider, the shaping piece set up in the edge of lower mould, the slider slip set up in on the lower bolster, the slider with the shaping piece is connected, be equipped with on the slider the guiding hole.

Optionally, a chute is arranged on the lower template, and the sliding piece is slidably arranged in the chute.

Optionally, a guide piece is arranged on the side wall of the sliding groove, and a limiting block used for limiting the travel of the sliding piece is arranged on the guide piece.

Optionally, the stopper includes linkage segment and spacing section, the linkage segment with the direction of sliding of slider is connected and is extended, spacing section set up in on the linkage segment, spacing section is to the slip orbit of slider is extended.

Optionally, two positioning grooves which are respectively arranged corresponding to the mold closing limit position and the mold releasing limit position are formed in the bottom of the side mold, and positioning pieces which are used for being matched with the positioning grooves in a positioning mode are arranged in the sliding grooves.

Optionally, an inclined guide block protruding upwards is arranged at the upper part of the forming part, and the inclined guide block and the inclined guide column are parallel to each other;

and the upper template is provided with an inclined guide groove which is matched with the inclined guide block in shape.

Optionally, a chute for lifting the inclined guide column is arranged on the lower template.

Compared with the prior art, the utility model has the beneficial effects that:

in the battery support die, as can be seen from the structure of the battery support, the walls between adjacent battery mounting cavities in the battery mounting cavities of the same row and column are relatively thin, in addition, in the edge row and column, the battery mounting cavities are relatively close to the outer wall of the battery support, so that the solid thickness between the adjacent battery mounting cavities and the solid thickness of the outer wall of the edge battery mounting cavity are relatively thin; when demolding, gas is easier to enter the interior, so that the demolding difficulty is reduced.

Drawings

FIG. 1 is a schematic illustration of an embodiment of a battery holder;

FIG. 2 is a schematic perspective view of a battery holder mold according to the present utility model;

FIG. 3 is an exploded view of the battery holder mold of the present utility model;

FIG. 4 is another exploded view of the battery support mold of the present utility model;

FIG. 5 is another exploded view of another view of the battery support mold of the present utility model;

fig. 6 is a schematic view of a positioning member in a battery holder mold according to the present utility model.

In the figure:

1. a top plate;

2. an upper template; 21. an inclined guide groove;

3. an upper die;

4. a bottom plate;

5. a jacking plate;

6. a lower template; 61. a chute; 611. a guide member; 612. a limiting block; 62. a chute;

7. a lower die; 71. a lower die body; 711. inlay the hole; 712. a connection hole; 72. setting a core; 73. a core insert; 731. a molding part; 732. a mounting part;

8. a side mold; 81. a molding member; 811. an inclined guide block; 812. a positioning groove; 82. a slider; 821. a guide hole;

9. a diagonal guide post;

10. a positioning piece; 101. a sleeve; 102. a lower plate; 103. lifting the slider; 104. a spring;

11. a battery holder; 111. and a battery mounting cavity.

Detailed Description

The present utility model will be further described with reference to fig. 1 to 6 and the detailed description, wherein, on the premise of no conflict, new embodiments can be formed by any combination of the embodiments or technical features described below.

As shown in fig. 2, 3 and 4, the utility model provides a battery support mold for injection molding the battery support shown in fig. 1, wherein the battery support mold comprises an upper mold 3 assembly and a lower mold 7 assembly, the upper mold 3 assembly comprises a top plate 1, an upper mold plate 2 and an upper mold 3, the upper mold 3 is arranged on the upper mold plate 2, and the lower mold 7 assembly comprises a bottom plate 4, a jacking plate 5, a lower mold plate 6 and a lower mold 7.

The lower die 7 is arranged on the lower die plate 6, the lower die 7 is used for forming the internal shape of the battery bracket 11, specifically, the lower die 7 comprises a lower die body 71 and a plurality of cores arranged on the lower die body 71 and used for forming the battery mounting cavity 111, the cores are in a rectangular array, each core comprises a shaping core 72 and a core insert 73, the shaping core 72 is integrally connected with the lower die body 71, and the core insert 73 is detachably arranged on the lower die body 71. The edge rows include a plurality of core inserts 73, i.e., the edge-located core rows are core inserts 73, the inner rows include sizing cores 72 and core inserts 73, the sizing cores 72 are spaced apart in the inner rows, i.e., the inner core rows are spaced apart, the sizing cores 72 are spaced apart in the inner core rows, the sizing cores 72 are also spaced apart, as in fig. 4 with the top numbered core insert 73 and the top unnumbered sizing cores 72. Since the core insert 73 is of a detachable structure, when the seal structure is not added, a gap exists between the core insert 73 and the lower die body 71, and therefore, during injection molding, the gas inside can be discharged from the gap between the core insert 73 and the lower die body 71, and the core insert 73 has a certain exhaust effect.

As can be seen from the structure of the battery holder 11, in the battery mounting cavities 111 of the same row, the walls between adjacent battery mounting cavities 111 are relatively thin, in addition, in the edge row, the battery mounting cavities 111 are relatively close to the outer wall of the battery holder 11, so that the physical thickness between the adjacent battery mounting cavities 111, the physical thickness of the outer wall of the edge battery mounting cavity 111 is relatively thin, in this embodiment, the core inserts 73 are arranged in the edge row, the core inserts 73 are used for separating the fixed cores 72 in the inner row, and because the core inserts 73 have a certain exhaust effect relative to the fixed cores 72, the inner gas is easier to exhaust during injection molding, and is easier to glue; when demolding, gas is easier to enter the interior, so that the demolding difficulty is reduced.

In some embodiments of the core insert 73, as shown in fig. 4 and 5, the top of the lower die body 71 is provided with a downwardly extending insert hole 711, and the bottom of the lower die body 71 is provided with an upwardly extending connecting hole 712, the connecting hole 712 communicating with the insert hole 711. The core insert 73 includes a molding portion 731 and a mounting portion 732, the diameter of the mounting portion 732 being smaller than the diameter of the molding portion 731, the mounting portion 732 being inserted into the insert hole 711. The upper die 3 is provided with a fastener, which extends from the connecting hole 712 into the insert hole 711, and is connected to the mounting portion 732.

In other embodiments of the core insert 73, the surface of the core insert 73 that contacts the lower die body 71 has ventilation grooves. Of course, corresponding ventilation grooves may be provided in the lower die body 71, and one end of the ventilation grooves communicates with the ventilation grooves, and the other end communicates with the outside.

Specifically, the molding portion 731 and the mounting portion 732 have different diameters, the axial cross sections of the molding portion 731 and the mounting portion 732 are stepped, a stepped surface is provided between the molding portion 731 and the mounting portion 732, the ventilation groove is formed at the edge of the stepped surface, and the ventilation groove extends toward the center of the stepped surface Shen Bingju along the mounting portion 732.

In the lower die body 71, the side wall of the connecting hole 712 is provided with a ventilation groove, and the ventilation groove extends from the bottom of the lower die body 71 to the upper part of the connecting hole 712, so that the ventilation groove, the connecting hole 712 and the ventilation groove form a ventilation channel, the ventilation property after the core insert 73 is arranged is improved, the plastic injection and the glue running are easier, and the demoulding difficulty is reduced.

Of course, in some embodiments, the core insert 73 may also be an insert having micro holes distributed therein, such that the micro holes may be utilized for ventilation.

In some embodiments of the battery support mold, as shown in fig. 3 and 5, the battery support mold further includes a side mold 8 and an inclined guide post 9, the side mold 8 is slidably disposed on the lower mold plate 6, a guide hole 821 is formed in the side mold 8, the inclined guide post 9 is inclined toward the position where the upper mold 3 is located, the upper end of the inclined guide post 9 is connected to the upper mold plate 2, and the lower end of the inclined guide post 9 is inserted into the guide hole 821. The inclined guide column 9 moves up and down along with the upper die plate 2, and the side die 8 moves in a die closing and die withdrawing mode under the guidance of the inclined guide column 9, so that the side shape of the battery bracket 11 is formed.

Specifically, the side mold 8 includes two parts, a molding member 81 and a sliding member 82, respectively, the molding member 81 being provided at the edge of the lower mold 7, the molding member 81 having a molding surface facing the lower mold 7, and the side shape of the battery holder 11 being molded by the molding surface. The sliding piece 82 is slidably arranged on the lower die plate 6, the sliding piece 82 is connected with the forming piece 81, a guide hole 821 is formed in the sliding piece 82, the sliding piece 82 is matched with the inclined guide column 9, the sliding piece 82 can move linearly on the lower die plate 6, and accordingly the forming piece 81 is driven to move in a die clamping and die withdrawing mode.

More specifically, the lower die plate 6 is provided with a slide groove 61, and the slider 82 is slidably disposed in the slide groove 61.

As shown in fig. 3 and 4, a guide 611 is provided on the side wall of the chute 61, and a stopper 612 for restricting the stroke of the slider 82 is provided on the guide 611.

The guide 611 protrudes from the side wall of the chute 61, the sliding member 82 is partially inserted into the gap between the guide 611 and the bottom of the chute 61, the guide 611 can limit the distance of the bottom of the chute 61 of the sliding member 82 in addition to guiding the sliding of the sliding member 82, and the sliding member 82 can be prevented from being separated from the chute 61.

For the stopper 612, the stopper 612 includes a connection section that is connected with the guide 611 and extends in the sliding direction of the slider 82, and a stopper section that is provided on the connection section and extends toward the sliding track of the slider 82. The distance that the sliding member 82 slides out of the sliding groove 61 is limited by the limiting section, so that the sliding member 82 is prevented from excessively sliding in the sliding direction to be separated from the sliding groove 61.

In order to improve the positioning convenience of the side mold 8, as shown in fig. 4 and 5, two positioning grooves 812 provided at the bottom of the side mold 8 corresponding to the mold clamping limit position and the mold releasing limit position are provided, respectively, and a positioning piece 10 for positioning and fitting with the positioning groove 812 is provided in the slide groove 61. As shown in fig. 6, the positioning member 10 includes a sleeve 101, a lower plate 102, a lifting slider 103 and a spring 104, the lower plate 102 is located at the bottom of the sleeve 101 and is used for sealing the bottom of the sleeve 101, the lifting slider 103 is disposed in the sleeve 101, the upper end of the lifting slider 103 is provided with a positioning protrusion protruding from the sleeve 101, the spring 104 is disposed in the sleeve 101, the lower end of the spring 104 abuts against the lower plate 102, and the upper end of the spring 104 abuts against the lifting slider 103.

In this embodiment, by using the lifting sliding member 103 in the positioning member 10, the lifting sliding member 103 protrudes from the top of the sleeve 101 under the action of the spring 104, and the positioning protrusion protrudes from the top of the sleeve 101, so that the positioning protrusion protrudes from the bottom of the sliding groove 61, when the side mold 8 slides along the sliding groove 61, the positioning protrusion continuously applies pressure to the bottom of the side mold 8 under the action of the spring 104, and when the positioning groove 812 at the bottom of the side mold 8 passes through the positioning protrusion, the positioning protrusion is immediately embedded into the positioning groove 812, thereby rapidly positioning the position of the side mold 8.

Specifically, the two positioning grooves 812 may be provided at the bottom of the molding member 81, or the two positioning grooves 812 may be provided at the bottom of the slider 82.

In some further embodiments of the molding member 81, as shown in fig. 4 and 5, the upper portion of the molding member 81 is provided with an upwardly protruding inclined guide block 811, the inclined guide block 811 being parallel to the inclined guide column 9. The upper die plate 2 is provided with an inclined guide groove 21 which is matched with the shape of the inclined guide block 811. During mold assembly and demolding, the upper die plate 2 guides the side die 8 to move by utilizing the inclined guide groove 21, the lower die plate 6 guides the side die 8 to move by utilizing the sliding groove 61, and the upper die plate 2 and the lower die plate 6 are matched at the same time, so that the guiding precision of the movement of the side die 8 is improved, and the forming precision of the battery bracket 11 is improved.

In order to avoid the movement interference of the lower die plate 6 to the diagonal guide column 9, the lower die plate 6 is provided with a chute 62 for lifting and lowering the diagonal guide column 9.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a battery support mould, includes cope match-plate pattern and lower bolster, be equipped with the mould on the cope match-plate pattern, be equipped with the lower bolster that is used for shaping battery support internal shape on the lower bolster, its characterized in that, the lower bolster include the lower bolster body with set up in a plurality of cores that are used for shaping battery installation cavity on the lower bolster body, the core is rectangular array, the core is including deciding core and core mold insert, decide the core with lower bolster body coupling, core mold insert detachably set up in on the lower bolster body, the edge range includes a plurality of core mold inserts, inside range includes decides core and core mold insert, in the inside range, design core interval distribution.

2. The battery bracket die of claim 1, wherein the top of the lower die body is provided with a downward extending inlay hole, the bottom of the lower die body is provided with an upward extending connection hole, and the connection hole is communicated with the inlay hole;

3. The battery bracket mold of claim 1, further comprising a side mold and an inclined guide post, wherein the side mold is slidably disposed on the lower mold plate, a guide hole is formed in the side mold, the inclined guide post is inclined toward the position of the upper mold, the upper end of the inclined guide post is connected with the upper mold plate, and the lower end of the inclined guide post is inserted into the guide hole.

4. The battery holder mold according to claim 3, wherein the side mold includes a molding member and a sliding member, the molding member is provided at an edge of the lower mold, the sliding member is slidably provided on the lower mold plate, the sliding member is connected to the molding member, and the sliding member is provided with the guide hole.

5. The battery holder mold according to claim 4, wherein a chute is provided on the lower plate, and the slide member is slidably disposed in the chute.

6. The battery holder mold according to claim 5, wherein a guide member is provided on a side wall of the chute, and a stopper for restricting a stroke of the slider is provided on the guide member.

7. The battery holder mold according to claim 6, wherein the stopper includes a connection section connected with the guide member and extending in a sliding direction of the slide member, and a stopper section provided on the connection section and extending toward a sliding track of the slide member.

8. The battery bracket mold according to claim 5, wherein two positioning grooves which are respectively arranged corresponding to the mold closing limit position and the mold releasing limit position are formed in the bottom of the side mold, and positioning pieces which are used for being matched with the positioning grooves in a positioning mode are arranged in the sliding grooves.

9. The battery holder mold according to claim 4, wherein the upper portion of the molding member is provided with an upwardly protruding inclined guide block, the inclined guide block being parallel to the inclined guide post;

10. A battery holder mold according to claim 3, wherein the lower die plate is provided with a chute for lifting and lowering the diagonal guide post.