CN212860233U - Injection mold core structure for processing battery box - Google Patents

Abstract

The utility model relates to an injection mold core structure for processing battery case, including last mold core and lower mold core, a plurality of battery chamber shaping cores have vertically been arranged side by side at the lower extreme middle part of going up the mold core, the one end both sides of battery chamber shaping core all are equipped with guide way shaping portion, it all is equipped with the auxiliary forming mold insert to go up the one side that the mold core lower extreme is located every guide way shaping portion, battery chamber shaping core tip is located and all is provided with the buckle shaping groove between per two corresponding auxiliary forming mold inserts, battery case inner chamber shaping core is installed to lower mold core upper end one side, lower mold core upper end is located battery case inner chamber shaping core one side and has vertically arranged a plurality of buckle bottom shaping mold inserts side by side, buckle bottom shaping mold insert is used for the shaping of auxiliary battery intracavity portion's slot with two auxiliary forming mold insert concatenations that correspond, form buckle. The utility model discloses a concatenation formula mold insert structure can the shaping go out the slot, can the shaping again go out the buckle.

Description

Injection mold core structure for processing battery box

Technical Field

The utility model relates to an injection mold technical field especially relates to a mold core structure of moulding plastics for processing battery case.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

Whether its quality is qualified just can be confirmed to the battery case when the shaping in the mould, and the main factor that influences the battery case quality is from the structure of mould, and the rational in infrastructure of mould design, the disqualification rate that can greatly reduced battery case, in order to ensure that the mould can produce the comparatively complicated battery case of structure, the design mould must guarantee that mould structural arrangement is reasonable.

Disclosure of Invention

The utility model aims to solve the technical problem that a mold core structure of moulding plastics for processing battery case is provided, adopts concatenation formula mold insert structure, can the shaping go out the slot, can the shaping again go out the buckle.

The utility model provides a technical scheme that its technical problem adopted is: the injection mold core structure for processing the battery box comprises an upper mold core and a lower mold core which are stacked up and down, wherein a mold cavity is formed between the upper mold core and the lower mold core, a plurality of battery cavity forming cores are longitudinally arranged in parallel in the middle of the lower end of the upper mold core, guide groove forming parts are respectively arranged on two sides of one end of each battery cavity forming core, an auxiliary forming insert is arranged on one side of the lower end of the upper mold core, which is positioned at each guide groove forming part, a guide groove forming cavity is formed between each auxiliary forming insert and the guide groove forming part, a buckle forming groove is respectively arranged between each two corresponding auxiliary forming inserts at the end part of each battery cavity forming core, a battery box inner cavity forming core is installed on one side of the upper end of the lower mold core, a plurality of buckle bottom forming inserts are longitudinally arranged in parallel on one side of the battery box inner cavity forming core, the quantity of the buckle bottom forming inserts is the same as that, the buckle bottom forming mold insert and the two corresponding auxiliary forming mold inserts are spliced and used for assisting in forming the slots in the battery cavity, and a buckle forming cavity is formed between the upper end face of the buckle bottom forming mold insert and the buckle forming groove.

As right technical scheme a supplement, four corners department of last mold core lower extreme all be provided with a location breach, four corners department of lower mold core upper end all be equipped with location breach complex location protruding, wherein two lie in with be equipped with an exhaust passage between its and the die cavity of the location breach of one side.

As right technical scheme a supplement, lower die core upper end opposite side install lateral sliding's take-up housing, inserted oblique guide pillar in this take-up housing, take-up housing be close to one side of die cavity and install battery case side mold insert, it is protruding that the hole site shaping that a plurality of inserted the die cavity has been arranged side by side on this battery case side mold insert.

As right technical scheme a supplement, every battery chamber shaping core's middle part both sides all are equipped with a shaping breach, lower core upper end install and insert the intraoral back-off shaping mold insert of shaping breach.

Has the advantages that: the utility model relates to a mold core structure of moulding plastics for processing battery case has following several advantages:

1. a guide groove forming cavity is formed between the auxiliary forming insert and the guide groove forming part and is used for auxiliary guide groove forming, the buckle bottom forming insert is spliced with the two corresponding auxiliary forming inserts to assist in forming of the slot in the battery cavity, the upper end face of the buckle bottom forming insert is matched with the buckle forming groove to assist in buckle forming, and a splicing type insert structure is adopted, so that the slot can be formed, and the buckle can be formed;

2. the side insert of the battery box, the sliding block seat and the inclined guide post jointly form a core pulling structure, the end face of the side insert of the battery box is used for assisting the side forming of the battery box, hole position forming protrusions on the side insert of the battery box are used for forming hole positions on the side of the battery box, and the sliding block seat and the inclined guide post force the hole position forming protrusions to be separated from a product during demolding, so that the qualified rate of the product can be improved;

3. the positioning notch and the positioning bulge are matched to ensure the position precision between the upper mold core and the lower mold core, an exhaust channel is arranged between the positioning notch and the mold cavity, and the arrangement of the exhaust channel can reduce the defects of bubbles generated by the battery box and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the upper mold core of the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic structural diagram of the lower mold core of the present invention;

fig. 5 is a schematic diagram of a splicing structure of the buckle bottom forming insert and two auxiliary forming inserts according to the present invention;

fig. 6 is a schematic structural diagram of a product produced by the present invention.

The figure is as follows: 1. the mold comprises an upper mold core, 2, a lower mold core, 3, an inclined guide post, 4, a slider seat, 5, a battery cavity forming mold core, 6, an auxiliary forming mold insert, 7, a positioning notch, 8, an exhaust channel, 9, a forming notch, 10, a positioning bulge, 11, a battery box inner cavity forming mold core, 12, a buckle bottom forming mold insert, 13, a hole site forming bulge, 14, a back-off forming mold insert, 15, a battery box side mold insert, 16, a product, 17, a battery cavity, 18, a slot, 19, a guide groove, 20, a buckle, 21, a back-off, 22, a guide groove forming part, 23 and a buckle forming groove.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to an injection mold core structure for processing battery box, as shown in figure 1-6, comprising an upper mold core 1 and a lower mold core 2 which are stacked up and down, a mold cavity is formed between the upper mold core 1 and the lower mold core 2, a plurality of battery cavity forming cores 5 are longitudinally arranged in parallel at the middle part of the lower end of the upper mold core 1, guide groove forming parts 22 are arranged at both sides of one end of each battery cavity forming core 5, auxiliary forming inserts 6 are arranged at one side of the lower end of the upper mold core 1 which is positioned at each guide groove forming part 22, guide groove forming cavities are formed between the auxiliary forming inserts 6 and the guide groove forming parts 22, a buckle forming groove 23 is arranged between every two corresponding auxiliary forming inserts 6 at the end part of each battery cavity forming core 5, a battery box inner cavity forming core 11 is installed at one side of the upper end of the lower mold core 2, a plurality of buckle bottom forming inserts 12 are longitudinally arranged side by side on one side of a battery box inner cavity forming core 11 at the upper end of the lower die core 2, the number of the buckle bottom forming inserts 12 is the same as that of the battery cavity forming cores 5, the buckle bottom forming inserts 12 are spliced with two corresponding auxiliary forming inserts 6 to be used for assisting the forming of slots 18 in the battery cavity, and a buckle forming cavity is formed between the upper end face of the buckle bottom forming insert 12 and the buckle forming grooves 23.

The product 16 of processing is the battery case, and this battery case has four battery chamber 17, and the vertical one end of battery chamber 17 of opening has a slot 18, and the both sides of slot 18 are the guide way 19 that is the L type, and buckle 20 is installed to the opening part of slot 18 upper end. Conventional inserts only mold the socket 18, but cannot mold the clip 20. Therefore, there is a need to optimize the mating configuration of the insert and the core.

When the battery box needs to be produced, the upper die core 1 and the lower die core 2 are folded, the side insert 15 of the battery box is inserted into the die cavity, the inverted buckle forming insert 14 is inserted into the corresponding forming notch 9, and the buckle bottom forming insert 12 is inserted into the two corresponding auxiliary forming inserts 6, as shown in fig. 5. A guide groove forming cavity is formed between the auxiliary forming mold insert 6 and the guide groove forming part 22 and used for forming an auxiliary guide groove 19, the buckle bottom forming mold insert 12 is spliced with the two corresponding auxiliary forming mold inserts 6 and used for forming a slot 18 in an auxiliary battery cavity, the upper end face of the buckle bottom forming mold insert 12 is matched with the buckle forming groove 23 to assist in forming a buckle 20, and the splicing type mold insert structure is adopted, so that the slot 18 can be formed, and the buckle 20 can be formed.

Four corners of the lower end of the upper die core 1 are provided with positioning notches 7, four corners of the upper end of the lower die core 2 are provided with positioning protrusions 10 matched with the positioning notches 7, and two of the positioning notches 7 located on the same side and the die cavity are provided with an exhaust channel 8. The positioning notch 7 is matched with the positioning bulge 10 to ensure the position precision between the upper mold core 1 and the lower mold core 2, an exhaust channel 8 is arranged between the positioning notch 7 and the mold cavity, and the arrangement of the exhaust channel 8 can reduce the defects of bubble generation of the battery box and the like.

The other side of the upper end of the lower die core 2 is provided with a sliding block seat 4 which slides transversely, an inclined guide post 3 is inserted into the sliding block seat 4, one side of the sliding block seat 4, which is close to the die cavity, is provided with a battery box side insert 15, and a plurality of hole site forming bulges 13 which are inserted into the die cavity are arranged on the battery box side insert 15 side by side. The core pulling structure is formed by the battery box side insert 15, the slider seat 4 and the inclined guide post 3 together, the end face of the battery box side insert 15 is used for assisting in forming the side face of the battery box, the hole site forming protrusions 13 on the battery box side insert 15 are used for forming hole sites on the side face of the battery box, and during demolding, the slider seat 4 and the inclined guide post 3 force the hole site forming protrusions 13 to be separated from a product, so that the qualified rate of the product can be improved.

And two sides of the middle part of each battery cavity forming core 5 are respectively provided with a forming notch 9, and the upper end of the lower core 2 is provided with a back-off forming insert 14 inserted into the forming notch 9.

Claims (4)

1. The utility model provides a mold core structure of moulding plastics for processing battery case, includes last mold core (1) and lower mold core (2) that stack from top to bottom, last mold core (1) and lower mold core (2) between form the die cavity, its characterized in that: the battery cavity forming mold is characterized in that a plurality of battery cavity forming cores (5) are longitudinally arranged in parallel in the middle of the lower end of an upper mold core (1), guide groove forming parts (22) are arranged on two sides of one end of each battery cavity forming core (5), an auxiliary forming mold insert (6) is arranged on one side, located on each guide groove forming part (22), of the lower end of the upper mold core (1), a guide groove forming cavity is formed between each auxiliary forming mold insert (6) and each guide groove forming part (22), buckle forming grooves (23) are arranged between every two corresponding auxiliary forming mold inserts (6) at the end part of each battery cavity forming core (5), a battery box inner cavity forming core (11) is installed on one side of the upper end of a lower mold core (2), a plurality of buckle bottom forming mold inserts (12) are longitudinally arranged in parallel on one side, of the upper end of each lower mold core (2), and the quantity of the bottom forming mold inserts (12) is the same as that of the battery cavity forming cores (5) The buckle bottom forming insert (12) is spliced with the two corresponding auxiliary forming inserts (6) to assist in forming the slots (18) in the battery cavity, and a buckle forming cavity is formed between the upper end face of the buckle bottom forming insert (12) and the buckle forming groove (23).

2. The injection molding core structure for manufacturing a battery case according to claim 1, wherein: four corners of the lower end of the upper mold core (1) are provided with positioning notches (7), four corners of the upper end of the lower mold core (2) are provided with positioning protrusions (10) matched with the positioning notches (7), and two of the positioning notches (7) located on the same side and the mold cavity are provided with an exhaust channel (8).

3. The injection molding core structure for manufacturing a battery case according to claim 1, wherein: the die comprises a lower die core (2), a sliding block seat (4) capable of sliding transversely is mounted on the other side of the upper end of the lower die core (2), an inclined guide post (3) is inserted into the sliding block seat (4), a battery box side insert (15) is mounted on one side, close to a die cavity, of the sliding block seat (4), and a plurality of hole site forming protrusions (13) inserted into the die cavity are arranged on the battery box side insert (15) side by side.

4. The injection molding core structure for manufacturing a battery case according to claim 1, wherein: and two sides of the middle part of each battery cavity forming core (5) are respectively provided with a forming notch (9), and the upper end of the lower mold core (2) is provided with an inverted buckle forming insert (14) inserted into the forming notch (9).

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