CN216001326U

CN216001326U - High-precision electric vehicle battery box injection mold

Info

Publication number: CN216001326U
Application number: CN202121595812.7U
Authority: CN
Inventors: 周正华
Original assignee: Taizhou Huangyan Wuxing Bicycle Industry Co ltd
Current assignee: Taizhou Huangyan Wuxing Bicycle Industry Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-11
Anticipated expiration: 2031-07-14

Abstract

The utility model provides a high-precision electric vehicle battery box injection mold, and belongs to the technical field of molds. The combined type injection molding device comprises an upper template and a lower template, wherein an upper molding surface is arranged on the upper template, a combined type insert structure is arranged on the lower template, a lower molding surface is arranged on the combined type insert structure, four side inserts which are arranged in a rectangular shape are further arranged on the lower template along the circumferential direction of the combined type insert structure, and side molding surfaces are arranged on the inner sides of the side inserts. Go up the profiled surface, the profiled surface and the profiled surface combination of side forms the profiled cavity that forms can be used to injection moulding battery case, the mould uses for a long time and the combination formula structure of inserting can reduce the accessory that needs to be changed when leading to inserting local damage to can reduce cost, thereby translation drive assembly can drive the side insert and break away from with the product and realize loosing core fast behind the product shaping, makes things convenient for the quick drawing of patterns of product.

Description

High-precision electric vehicle battery box injection mold

Technical Field

The utility model belongs to the technical field of molds and relates to a high-precision electric vehicle battery box injection mold.

Background

The electric motor car battery case is generally through injection moulding, among the prior art, the shaping insert for forming the battery case cavity generally sets up as an organic whole, but in long-time use, the damage can appear in the shaping insert to need whole change lower bolster and shaping insert, it is great to change required cost.

In order to overcome the defects of the prior art, people continuously explore and provide various solutions, for example, a chinese patent discloses an injection mold for a lithium battery box [ application number: 201810242112.6], comprises an auxiliary device and a molding device, wherein the auxiliary device comprises an injection molding opening, an L-shaped pull rod and a fixed mold; the forming part comprises an inner core, a movable mould, an outer mould, an inverted L-shaped pull rod and a push plate, the inverted L-shaped pull rod is fixed on the push plate, the auxiliary device and the forming device can be mutually sleeved, so that the movable mould, the fixed mould and the outer mould are mutually enclosed to form an injection molding cavity, and the inner core is arranged in the injection molding cavity to form an injection molding cavity of the lithium battery box; the injection molding opening is communicated with an injection molding cavity; two long sides of the inner core are protruded outwards to form two circular arcs; the auxiliary device with forming device can separate from top to bottom, makes L type pull rod and the type of falling L pull rod catch on each other, drives the lithium battery box after the push pedal promotes the shaping. The lithium battery box produced by the utility model has the deformation resistance, is not easy to dent inwards, can conveniently replace the lithium battery, but also has the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a high-precision injection mold for a battery box of an electric vehicle.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy electric motor car battery case injection mold, includes cope match-plate pattern and lower bolster, the cope match-plate pattern on be equipped with the shaping face, the lower bolster on be equipped with the combination formula and insert the structure, the combination formula insert the structural shaping face down that is equipped with, the lower bolster on still be provided with four along the combination formula structure circumference of inserting and arrange and insert that the side that is the rectangle, the side insert the inboard and be equipped with the side shaping face, last shaping face, lower shaping face and the combination of side shaping face form the die cavity, the lower bolster on still be equipped with four and the side and insert continuous translation drive assembly.

In the above high-precision electric vehicle battery box injection mold, the combined insert structure comprises three forming inserts which are arranged side by side and are abutted against each other, and the forming inserts are detachably fixed on the lower template.

In the high-precision electric vehicle battery box injection mold, the top of the lower template is provided with a positioning block protruding outwards, the bottom of the forming insert is provided with a positioning groove matched with the positioning block, and the forming insert is fixed on the lower template through a plurality of screws.

In the above high-precision electric vehicle battery box injection mold, the translation driving assembly comprises a driver fixing plate fixed on the lower template, a translation driver horizontally arranged is fixed on the driver fixing plate, the translation driver is provided with an output shaft capable of reciprocating along the horizontal direction, and the output shaft of the translation driver penetrates through the driver fixing plate and is connected with the side insert.

In the high-precision electric vehicle battery box injection mold, the upper template is also provided with a side insert block limiting structure.

In the above-mentioned high accuracy electric motor car battery case injection mold, the side insert limit structure including set up at the cope match-plate pattern bottom and the inside sunken spacing groove, the side insert to the spacing inslot, the spacing groove keep away from one side of shaping chamber and still be equipped with the last sloping step that the slope set up, the side insert the top still be equipped with the decline sloping step of sloping step looks adaptation.

In the high-precision electric vehicle battery box injection mold, a supporting plate forming structure is further arranged between the upper forming surface and the lower forming surface, and a reinforcing rib forming structure is further arranged on the side insert.

In foretell high accuracy electric motor car battery case injection mold, backup pad shaping structure including set up at last shaping face middle part and outside convex shaping piece, shaping piece go up parallel arrangement have two inside sunken shaping grooves, lower shaping face middle part be equipped with insert to the backup pad shaping portion of shaping inslot.

In the high-precision electric vehicle battery box injection mold, the support plate forming part is provided with a plurality of support plate forming grooves which are transversely or longitudinally arranged, and the support plate forming grooves are inwards sunken.

In the above-mentioned high accuracy electric motor car battery case injection mold, strengthening rib shaping structure including set up horizontal strengthening rib shaping groove and the vertical strengthening rib shaping groove on the inner wall of inserting, horizontal strengthening rib shaping groove and vertical strengthening rib shaping groove set up perpendicularly.

Compared with the prior art, the utility model has the advantages that:

1. go up the profiled surface, the profiled surface and the profiled surface combination of side forms the profiled cavity that forms can be used to injection moulding battery case, the mould uses for a long time and the combination formula structure of inserting can reduce the accessory that needs to be changed when leading to inserting local damage to can reduce cost, thereby translation drive assembly can drive the side insert and break away from with the product and realize loosing core fast behind the product shaping, makes things convenient for the quick drawing of patterns of product.

2. The combined insert structure is formed by combining the three forming inserts, and the forming inserts are detachably fixed on the lower template, so that when the inserts are locally damaged, only the corresponding forming inserts need to be replaced, and the maintenance cost of the die can be reduced.

3. The side insert limiting structure can limit the side insert during injection molding, so that the side insert is prevented from retreating due to overlarge cavity pressure in a molding cavity during injection molding, and the quality problem of an injection molded product is solved.

4. The backup pad forming structure can form the backup pad in the product bottom when moulding plastics, and the backup pad can play the cushioning effect when the battery case uses, thereby the strengthening rib forming structure on the side is inserted can annotate moulding forming strengthening rib structure on the battery case lateral wall and increase the bulk strength of battery case.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic illustration of a partial explosion of the present invention;

FIG. 3 is a schematic view of a portion of the lower platen;

fig. 4 is a schematic structural view of the upper plate.

In the figure: the upper die plate comprises an upper die plate 1, a lower die plate 2, an upper forming surface 3, a combined insert structure 4, a lower forming surface 5, a side insert 6, a side forming surface 7, a forming cavity 8, a translation driving assembly 9, a forming insert 10, a positioning block 11, a positioning groove 12, a screw 13, a driver fixing plate 14, a translation driver 15, a side insert limiting structure 16, a limiting groove 17, an upper inclined step 18, a lower inclined step 19, a support plate forming structure 20, a reinforcing rib forming structure 21, a forming block 22, a forming groove 23, a support plate forming part 24, a support plate forming groove 25, a transverse reinforcing rib forming groove 26 and a vertical reinforcing rib forming groove 27.

Detailed Description

As shown in fig. 1-4, a high-precision electric vehicle battery box injection mold comprises an upper mold plate 1 and a lower mold plate 2, wherein the upper mold plate 1 is provided with an upper molding surface 3, the lower mold plate 2 is provided with a combined insert structure 4, the combined insert structure 4 is provided with a lower molding surface 5, the lower mold plate 2 is further provided with four side inserts 6 arranged in a rectangular shape along the circumferential direction of the combined insert structure 4, the inner side of each side insert 6 is provided with a side molding surface 7, the upper molding surface 3, the lower molding surface 5 and the side molding surface 7 are combined to form a molding cavity 8, and the lower mold plate 2 is further provided with four translation driving components 9 connected with the side inserts 6.

In this embodiment, the forming cavity 8 that the combination of upper forming surface 3, lower forming surface 5 and side forming surface 7 formed can be used for injection moulding battery case, and the mould uses for a long time and when leading to inserting the local damage, the combination formula structure of inserting can reduce the accessory that needs to be changed to can reduce cost, thereby translation drive assembly can drive the side insert and break away from with the product and realize loosing core fast behind the product shaping, makes things convenient for the quick drawing of patterns of product.

Specifically, referring to fig. 1 to 3, the modular insert structure 4 includes three side-by-side abutting forming inserts 10, and the forming inserts 10 are detachably fixed on the lower die plate 2. The combined insert structure 4 is formed by combining three forming inserts, and the forming inserts 10 are detachably fixed on the lower template 2, so that when the inserts are partially damaged, only the corresponding forming inserts need to be replaced, and the maintenance cost of the die can be reduced.

Specifically, as shown in fig. 1 to 3, the top of the lower die plate 2 is provided with a positioning block 11 protruding outward, the bottom of the forming insert 10 is provided with a positioning groove 12 adapted to the positioning block 11, and the forming insert 10 is fixed on the lower die plate 2 by a plurality of screws 13 so as to be detachable. The positioning block 11 and the positioning groove are matched to position the forming insert.

Specifically, as shown in fig. 1 to 3, the translation driving assembly 9 includes a driver fixing plate 14 fixed on the lower mold plate 2, a horizontally disposed translation driver 15 is fixed on the driver fixing plate 14, the translation driver 15 has an output shaft capable of reciprocating in the horizontal direction, and the output shaft of the translation driver 15 penetrates through the driver fixing plate 14 and is connected with the side insert 6. The translation driver 15 can drive the side insert to reciprocate along the horizontal direction so as to separate the side insert from the formed product.

It will be appreciated by those skilled in the art that the translation actuator may be a ram, cylinder, linear motor, or the like.

Preferably, as shown in fig. 1 to 4, the upper die plate 1 is further provided with a side insert limiting structure 16. The side insert limiting structure 16 can limit the side insert during injection molding, so that the side insert is prevented from retreating due to overlarge cavity pressure in a molding cavity during injection molding, and the quality problem of an injection molded product is solved.

Specifically, as shown in fig. 1 to 4, the side insert limiting structure 16 includes a limiting groove 17 which is arranged at the bottom of the upper die plate 1 and is recessed inwards, the side insert 6 is inserted into the limiting groove 17, an upper inclined step 18 which is arranged in an inclined manner is further arranged on one side of the limiting groove 17 away from the forming cavity 8, and a lower inclined step 19 which is matched with the upper inclined step 18 is further arranged at the top of the side insert 6. When the die is closed, the side insert is inserted into the limiting groove 17, and the upper inclined step is matched with the lower inclined step to limit the side insert during injection molding.

Preferably, as shown in fig. 2-4, a support plate forming structure 20 is further provided between the upper forming surface 3 and the lower forming surface 5, and a reinforcing rib forming structure 21 is further provided on the side insert 6. The backup pad forming structure can form the backup pad in the product bottom when moulding plastics, and the backup pad can play the cushioning effect when the battery case uses, thereby the strengthening rib forming structure 21 on the side is inserted can mould plastics on the battery case lateral wall and form the bulk strength of strengthening rib structure increase battery case.

Specifically, as shown in fig. 2-4, the support plate forming structure 20 includes a forming block 22 disposed in the middle of the upper forming surface 3 and protruding outward, two forming grooves 23 recessed inward are disposed in parallel on the forming block 22, and a support plate forming portion 24 inserted into the forming grooves 23 is disposed in the middle of the lower forming surface 5. The support plate forming part 24 is provided with a plurality of support plate forming grooves 25 which are transversely or longitudinally arranged, and the support plate forming grooves 25 are inwards sunken. The support plate forming grooves on the support plate forming part 24 are matched with the forming grooves on the forming blocks to form a transverse support plate and a longitudinal support plate at the bottom of the battery box, so that the shock resistance of the battery box and the strength of the bottom of the battery box are enhanced.

Specifically, as shown in fig. 2 to 4, the rib forming structure 21 includes a transverse rib forming groove 26 and a vertical rib forming groove 27 provided on the inner wall of the side insert 6, and the transverse rib forming groove 26 and the vertical rib forming groove 27 are vertically provided. The transverse reinforcing rib forming grooves 26 and the vertical reinforcing rib forming grooves 27 can form transverse and longitudinal reinforcing ribs on the side wall of the battery box, and the reinforcing ribs can increase the overall strength of the battery box.

The working principle of the utility model is as follows: the upper forming surface 3, the lower forming surface 5 and the side forming surface 7 are combined to form a forming cavity 8 which can be used for injection molding of a battery box, when the die is used for a long time and an insert is partially damaged, a combined insert structure can reduce parts needing to be replaced, so that the cost can be reduced, the translation driving assembly can drive the side insert to be separated from a product after the product is formed so as to realize quick core pulling, the product is convenient to quickly demold, the combined insert structure 4 is formed by combining three forming inserts, and the forming inserts 10 are detachably fixed on the lower die plate 2 so that only corresponding forming inserts need to be replaced when the insert is partially damaged, so that the maintenance cost of the die can be reduced, and the positioning block 11 and the positioning groove are matched to position the forming inserts;

the translation driver 15 can drive the side insert to reciprocate along the horizontal direction so as to enable the side insert to be separated from a formed product, the side insert limiting structure 16 can limit the side insert during injection molding, and therefore the side insert is prevented from moving back due to overlarge cavity pressure in a forming cavity during injection molding, and the quality problem of the injection molded product is solved;

backup pad shaping structure can form the backup pad in the product bottom when moulding plastics, the backup pad can play the cushioning effect when the battery case uses, thereby strengthening rib shaping structure 21 on the side is inserted can mould plastics on the battery case lateral wall and form strengthening rib structure and increase the bulk strength of battery case, the shaping groove on the backup pad shaping groove cooperation shaping piece on the backup pad shaping portion 24 can form horizontal and fore-and-aft backup pad in the battery case bottom, thereby strengthen the shock resistance of battery case and the intensity of battery case bottom, horizontal strengthening rib shaping groove 26 and vertical strengthening rib shaping groove 27 can form horizontal and fore-and-aft strengthening rib on the battery case lateral wall, the strengthening rib can increase the bulk strength of battery case.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the upper die plate 1, the lower die plate 2, the upper molding surface 3, the modular insert structure 4, the lower molding surface 5, the side insert 6, the side molding surface 7, the molding cavity 8, the translational driving assembly 9, the molding insert 10, the positioning block 11, the positioning groove 12, the screw 13, the driver fixing plate 14, the translational driver 15, the side insert limiting structure 16, the limiting groove 17, the upper inclined step 18, the lower inclined step 19, the support plate molding structure 20, the reinforcing bar molding structure 21, the molding block 22, the molding groove 23, the support plate molding part 24, the support plate molding groove 25, the transverse reinforcing bar molding groove 26, the vertical reinforcing bar molding groove 27, etc., are used herein more frequently, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a high accuracy electric motor car battery case injection mold, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) on be equipped with shaping face (3), lower bolster (2) on be equipped with combination formula structure (4) of inserting, combination formula insert and be equipped with down shaping face (5) on structure (4), lower bolster (2) on still be provided with four along combination formula structure (4) circumference of inserting and arrange and be the side of rectangle and insert (6), side insert (6) inboard and be equipped with side shaping face (7), last shaping face (3), lower shaping face (5) and side shaping face (7) combination form one-tenth die cavity (8), lower bolster (2) on still be equipped with four translation drive assembly (9) that link to each other with side insert (6).

2. A high precision electric vehicle battery box injection mold as claimed in claim 1, wherein the combined insert structure (4) comprises three side-by-side forming inserts (10) abutting against each other, and the forming inserts (10) are detachably fixed on the lower template (2).

3. The injection mold for the battery box of the high-precision electric vehicle as claimed in claim 2, wherein the top of the lower template (2) is provided with a positioning block (11) protruding outwards, the bottom of the forming insert (10) is provided with a positioning groove (12) matched with the positioning block (11), and the forming insert (10) is fixed on the lower template (2) through a plurality of screws (13).

4. A high-precision electric vehicle battery box injection mold according to claim 1, wherein the translation driving assembly (9) comprises a driver fixing plate (14) fixed on the lower mold plate (2), a horizontally arranged translation driver (15) is fixed on the driver fixing plate (14), the translation driver (15) has an output shaft capable of reciprocating in the horizontal direction, and the output shaft of the translation driver (15) penetrates through the driver fixing plate (14) and is connected with the side insert (6).

5. A high-precision electric vehicle battery box injection mold according to claim 4, characterized in that the upper mold plate (1) is further provided with a side insert limiting structure (16).

6. A high-precision electric vehicle battery box injection mold according to claim 5, wherein the side insert limiting structure (16) comprises a limiting groove (17) which is arranged at the bottom of the upper mold plate (1) and is recessed inwards, the side insert (6) is inserted into the limiting groove (17), an upper inclined step (18) which is arranged in an inclined manner is further arranged on one side of the limiting groove (17) far away from the molding cavity (8), and a lower inclined step (19) which is matched with the upper inclined step (18) is further arranged at the top of the side insert (6).

7. A high-precision electric vehicle battery box injection mold as claimed in claim 1, wherein a support plate forming structure (20) is further arranged between the upper forming surface (3) and the lower forming surface (5), and a reinforcing rib forming structure (21) is further arranged on the side insert (6).

8. A high-precision electric vehicle battery box injection mold as claimed in claim 7, wherein the support plate forming structure (20) comprises a forming block (22) which is arranged in the middle of the upper forming surface (3) and protrudes outwards, two forming grooves (23) which are recessed inwards are arranged on the forming block (22) in parallel, and a support plate forming part (24) which is inserted into the forming grooves (23) is arranged in the middle of the lower forming surface (5).

9. A high-precision electric vehicle battery box injection mold as claimed in claim 8, wherein the support plate forming part (24) is provided with a plurality of support plate forming grooves (25) arranged transversely or longitudinally, and the support plate forming grooves (25) are arranged in a concave manner.

10. The high-precision electric vehicle battery box injection mold according to claim 7, wherein the reinforcing rib forming structure (21) comprises a transverse reinforcing rib forming groove (26) and a vertical reinforcing rib forming groove (27) which are arranged on the inner wall of the side insert (6), and the transverse reinforcing rib forming groove (26) and the vertical reinforcing rib forming groove (27) are vertically arranged.