CN216968527U - Oxygenerator, battery case draw knot and battery case draw knot injection mold - Google Patents

Abstract

The utility model provides an injection mold, a battery box pull buckle manufactured by the injection mold and an oxygenerator with the battery box pull buckle, wherein the injection mold comprises a top platform, a two-section mold base, a male mold, a female mold, a lifting mechanism, an ejection mechanism and a bottom plate; the second-stage die holder comprises an upper die holder and a lower die holder which are detachably connected, and a glue injection runner communicated with the glue inlet is arranged in the upper die holder; the male die and the female die form a plurality of cavities through die assembly, the male die is connected with the female die in a clamping manner, a main runner is arranged between the male die and the female die and connected with a plurality of sub-runners, and each sub-runner is connected with one cavity; the output end of the lifting mechanism is connected with the top platform; the ejection mechanism is used for ejecting the injection molding products in the cavity and the waste materials in the injection mold. The injection mold provided by the utility model has the advantages of tight mold closing, good product forming effect and simple structure, and can be used for conveniently taking out finished battery box pull buttons and residual waste materials in runners.

Description

Oxygenerator, battery case draw knot and battery case draw knot injection mold

Technical Field

The utility model relates to the technical field of injection molding manufacturing, in particular to an oxygen generator, a battery box pull buckle and an injection mold for the battery box pull buckle.

Background

In the injection molding of plastics, the heated and melted plastics are injected into a mold cavity under high pressure by an injection molding machine/system, and after cooling and solidification, a molded article is obtained. The injection mold is divided into two types, namely a thermosetting plastic mold and a thermoplastic plastic mold, according to the molding characteristics, and divided into a transfer mold, a blow mold, a cast mold, a thermoforming mold, a hot pressing mold (compression mold), an injection mold and the like according to the molding process, wherein the hot pressing mold can be divided into three types, namely a flash type, a semi-flash type and a non-flash type, by a flash mode, and the injection mold can be divided into two types, namely a cold runner mold and a hot runner mold, by a pouring system, and can be divided into two types, namely a movable type and a fixed type, by a loading and unloading mode.

In the prior art, the injection mold disclosed in patent application number CN201510928977.4 is provided with 10 cooling water channels, so that the cooling time is short and the production efficiency is high; 4 support columns are arranged, so that the material of the support plate can be reduced, and the cost of the die is low; the 24 mold cavities are adopted for simultaneous injection molding, so that the production efficiency is high; the male die and the female die are both made into insert type structures, so that the replacement is convenient, the die cost is low, but the injection die is not closed tightly, a space gap exists in a die cavity, and due to the fluidity of a melt, a product has rough edges and bulges, the injection molding effect of the product is poor, and the surface of the product is rough; patent application No. 201911359300.8 discloses "a wear-resisting durable type injection mold", order about first core strip with the help of actuating mechanism and take out from the terrace die, make first core strip shift out in the first knot limit of casing, the casing is pushed up the in-process that removes, order about second core strip with the help of oblique top mechanism and detain the limit in step from the second, can accomplish each joint of detaining the limit of casing this moment and break away from, the drawing of patterns can be realized smoothly to the product, simple structure just reaches the advantage of the casing drawing of patterns of being convenient for, nevertheless easy remaining waste material in its runner, need clear up out the waste material when practical mould once more, the die cavity also has bad space clearance during the compound die, product injection moulding effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background technology, the utility model provides an oxygenerator, a battery box pull buckle and a battery box pull buckle injection mold, which are compact in mold assembly, good in product forming effect, simple in structure and convenient for taking out a finished battery box pull buckle and residual waste materials in a flow channel.

The utility model provides the following technical scheme:

the utility model provides a battery box pull buckle injection mold, which comprises:

the top table is used for being in fluid connection with an injection molding system, and a glue inlet is formed in the center of the upper end face of the top table;

the second-section die holder comprises an upper die holder and a lower die holder which are detachably connected, and a glue injection runner communicated with the glue inlet is arranged in the upper die holder;

the male die and the female die are provided with a plurality of cavities for manufacturing the battery box pull buckle through die assembly, the male die is arranged in the inner cavity of the upper die base, the female die is arranged in the inner cavity of the lower die base, the male die is connected with the female die in a clamping manner, cooling holes and exhaust holes communicated with the cavities are formed in the side surfaces of the upper die base and the lower die base, the male die is provided with an accommodating cavity communicated with the glue injection runner, a main runner is arranged between the male die and the female die and connected with a plurality of sub-runners, each sub-runner is connected with one cavity, and the main runner is communicated with the accommodating cavity;

the lifting mechanism is used for driving the top table to move in the vertical height direction, and the output end of the lifting mechanism is connected with the top table;

the ejection mechanism is used for ejecting the injection molding product in the cavity and the waste material in the injection mold;

the bottom plate is used for fixing the injection mold structure and forming stable supporting bearing.

Preferably, a plurality of positioning blocks are arranged on the male die, a plurality of limiting grooves are arranged on the female die, the positioning blocks are clamped and slidably connected with the limiting grooves, convex parts are arranged at the corners of the end face of the male die, concave parts are arranged at the corners of the end face of the female die, and the convex parts are connected with the concave parts in a clamping and matching mode.

Preferably, the injection mold further comprises a partition plate which is fixedly connected to the upper end of the bottom plate and symmetrically arranged, the lifting mechanism is installed at the upper end of the partition plate, the upper mold base and the lower mold base are provided with positioning holes, the output end of the lifting mechanism penetrates through the positioning holes, a plurality of assembling holes are distributed in the upper end face of the top platform, and the top platform is fixedly connected with the output end portion of the lifting mechanism through the assembling holes.

Preferably, ejection mechanism is including activity liftout plate and the backing plate of setting in activity liftout plate bottom, the activity liftout plate is installed the bottom plate upper end, thimble, guide post, branch and the spiral that set up in groups are installed to activity liftout plate upper end encircles the setting and is in the peripheral elastic component of guide post, the thimble tip runs through the die holder with the die extends to in the die cavity, branch runs through the die holder with the die extends to in accomodating the chamber, the bottom plate upper end is equipped with bolster and supporting nail, supporting nail fixed connection be in the thimble bottom.

Preferably, the bottom of the lower die base is provided with a plurality of through holes, a plurality of thimble holes are formed in the die cavity, and the number of the through holes is equal to that of the thimble holes.

Preferably, the upper die base side is symmetrically provided with a first guide block in threaded connection, the lower die base side is symmetrically provided with a second guide block in threaded connection, and the first guide block and the second guide block are connected in a clamping manner.

Preferably, the number of the cavities is 8.

The battery box pull buckle comprises a pull buckle body, wherein the pull buckle body is provided with a convex strip part and a flange part which are distributed along the length direction of the pull buckle body and are respectively arranged on the adjacent side surfaces of the pull buckle body, the side surface of the flange part is a curved surface, and the side surface of the pull buckle body where the convex strip part is located is provided with at least one counter bore.

Further, the utility model provides an oxygen generator which comprises the battery box pull buckle.

The utility model has the beneficial effects that:

(1): the positioning block is matched with the limiting groove, the protruding part is matched with the concave part, the male die is connected with the female die in a clamping manner, the first guide block is connected with the second guide block to fasten the second die holder, the lifting mechanism drives the top table to descend and attach to further fasten the second die holder, the male die in the upper die holder is enhanced to attach to the female die in the lower die holder, the elastic part at the ejection mechanism is pressed to generate reverse acting force to abut against the lower die holder, the bad gap at the edge of the die cavity is reduced, an effective die cavity is formed, the die assembly is tight, and the effect of forming the battery box through pull buckle can be effectively promoted;

(2): the plastic melt is injected through the glue inlet and flows into the cavities through the glue injection runner, the accommodating cavity, the main runner and the sub-runners, each sub-runner corresponds to one cavity, a plurality of battery box pull buttons can be manufactured through one-time injection molding process, and the economic benefit is high;

(3): the ejection mechanism is used for ejecting a product formed by injection molding in the cavity under the action of the ejector pins to the upper part so as to separate the product from the cavity, and meanwhile, the ejection mechanism can eject waste materials in the concave mould in the injection mould by utilizing the supporting rod.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a cross-sectional view of one embodiment of an injection mold provided by the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of an injection mold according to the present invention;

FIG. 3 is a schematic structural diagram of a second embodiment of an injection mold according to the present invention;

FIG. 4 is a schematic structural diagram of a male mold of the injection mold provided by the present invention;

FIG. 5 is a schematic structural diagram of a female mold of the injection mold provided by the present invention;

FIG. 6 is a schematic structural diagram of an upper mold base of an injection mold according to the present invention;

FIG. 7 is a schematic structural view of a lower mold base of the injection mold provided in the present invention;

fig. 8 is a schematic connection diagram of the tab body according to the present invention.

The labels in the figure are: 100-a top stage; 101-assembly holes; 110-a glue inlet; 200-two-section die holder; 201-vent hole; 202-cooling holes; 203-positioning holes; 210-an upper die holder; 211-glue injection runner; 212-a first pilot block; 220-lower die holder; 221-a through hole; 222-a second pilot block; 230-male mold; 231-a positioning block; 232-a boss; 233-accommodating cavity; 240-a female die; 241-a main runner; 242-branch channel; 243-limiting groove; 244-a recess; 300-a cavity; 301-thimble hole; 400-a spacing plate; 500-a base plate; 501-buffer piece; 600-a lifting mechanism; 700-an ejection mechanism; 710-a movable ejector plate; 711-a thimble; 712-support pins; 713-guide post; 714-an elastic member; 715-strut; 720-backing plate; 800-a tab body; 801-raised strip portions; 802-a flange portion; 803-counter bore; 900-battery box.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

referring to fig. 1 to 7, the present embodiment provides an injection mold for a battery case tab, including:

the top table 100 is used for being in fluid connection with an injection molding system, a glue inlet 100 is formed in the center of the upper end face of the top table 100, and a glue inlet 110 is connected with a pipeline end for outputting plastic melt in the injection molding system;

the two-section die holder 200 comprises an upper die holder 210 and a lower die holder 220 which are detachably connected, and a glue injection runner 211 communicated with the glue inlet 110 is arranged in the upper die holder 210;

the male die 230 and the female die 240 are provided with a plurality of cavities 300 for manufacturing the battery box pull buckle through die assembly, the male die 230 is arranged in the inner cavity of the upper die holder 210, the female die 240 is arranged in the inner cavity of the lower die holder 220, the male die 230 is connected with the female die 240 in a clamping manner, the side surfaces of the upper die holder 210 and the lower die holder 220 are provided with cooling holes 202 and exhaust holes 201 communicated with the cavities 300, the male die 230 is provided with a containing cavity 233 communicated with the glue injection flow channel 211, a main flow channel 241 is arranged between the male die 230 and the female die 240, the main flow channel 241 is connected with a plurality of branch flow channels 242, each branch flow channel 242 is connected with one cavity 300, the main flow channel 241 is communicated with the containing cavity 233, the bottom of the lower die holder 220 is provided with a plurality of through holes 221 to provide a moving space for the ejector pins 711 in the ejection mechanism 700, a plurality of ejector pin holes 301 are arranged in the die cavity 300, the top end parts of the ejector pins 711 are arranged at the ejector pin holes 301, and the number of the through holes 221 is the same as that of the ejector pin holes 301;

the lifting mechanism 600 is used for driving the top table 100 to move in the vertical height direction, the output end of the lifting mechanism 600 is connected with the top table 100, and 4 lifting mechanisms 600 are symmetrically arranged and are respectively fixedly connected with the top table 100;

the ejection mechanism 700 is used for ejecting injection molding products and waste materials in an injection mold in the cavity 300, the ejection mechanism 700 comprises a movable ejection plate 710 and a backing plate 720 arranged at the bottom of the movable ejection plate 710, the movable ejection plate 710 is arranged at the upper end of the bottom plate 500, the upper end of the movable ejection plate 710 is provided with ejector pins 711, guide columns 713, support rods 715 and elastic members 714 spirally arranged around the periphery of the guide columns 713 in a surrounding manner, the end parts of the ejector pins 711 penetrate through the lower die base 220 and the female die 240 and extend into the cavity 300, the support rods 715 penetrate through the lower die base 220 and the female die 240 and extend into the accommodating cavity 233, the upper end of the bottom plate 500 is provided with a plurality of buffer members 501 and support pins 712, the buffer members 501 can be fixedly arranged and uniformly distributed on the upper end surface of the bottom plate 500 to buffer the downward movement process of the backing plate 720 under the action of the upper end surface structure and promote the stability of the injection mold during operation, the support pins 712 are fixedly connected at the bottom parts of the ejector pins 711, supporting the thimble 711.

And the bottom plate 500 is used for fixing the injection mold structure and forming stable supporting bearing.

Injection mold still includes fixed connection at the space bar 400 that bottom plate 500 upper end and symmetry set up, elevating system 600 installs in the space bar 400 upper end, activity liftout plate 710 and backing plate 720 set up between the space bar 400 that the symmetry set up, be equipped with locating hole 203 on cope match-plate pattern 210 and the die holder 220, elevating system 600 output runs through locating hole 203, the up end of top platform 100 distributes has a plurality of pilot holes 101, top platform 100 is through the output tip of this pilot hole 101 fixed connection elevating system 600.

The first guide block 212 is symmetrically arranged on the side surface of the upper die holder 210 and is in threaded connection with the first guide block 212, the second guide block 222 is symmetrically arranged on the side surface of the lower die holder 220 and is in threaded connection with the second guide block 222, the first guide block 212 and the second guide block 222 are in clamping connection with each other, and the alignment of the connection structure of the two-section die holder 200 is enhanced by the first guide block 212 and the second guide block 222, so that a high-precision cavity 300 is formed between the male die 230 and the male die 240.

Example 2:

on the basis of the above embodiment, the male die 230 is provided with a plurality of positioning blocks 231, the female die 240 is provided with a plurality of limiting grooves 243, the positioning blocks 231 are connected with the limiting grooves 243 in a clamping and sliding manner, the corner position of the end face of the male die 230 is provided with a convex portion 232, the corner position of the end face of the female die 240 is provided with a concave portion 244, and the convex portion 232 and the concave portion 244 are connected in a clamping and matching manner.

The working principle of the utility model is as follows:

die assembly: the positioning block 231 is matched with the limiting groove 243, the protruding part 232 is matched with the concave part 244, so that the male die 230 is clamped and connected with the female die 240, the male die 230 is assembled in the upper die holder 210, the female die 240 is assembled in the lower die holder 220, the first guide block 212 is connected with the second guide block 222 to be aligned with the second die holder 200, the lifting mechanism 600 drives the top platform 100 to descend and adhere to the second die holder 200, the male die 230 in the upper die holder 210 is adhered to the female die 240 in the lower die holder 220, the elastic part 714 in the ejection mechanism 700 is pressed to generate reverse acting force to abut against the lower die holder 220, poor gaps at the edge of the die cavity 300 are reduced, an effective die cavity 300 is formed, and the glue inlet 110, the glue injection runner 211, the accommodating cavity 233 and the main runner 241 are sequentially aligned and communicated;

injecting glue: the injection molding system introduces plastic melt into the injection mold through the glue inlet 110, a pouring port in the injection molding system penetrates through the glue injection runner 211 and the accommodating cavity 233 and is connected with the main runner 241, the plastic melt flows through the main runner 241 and the sub-runners 242 to enter and fill the cavities 300, gas in the cavities 300 is exhausted from the exhaust holes 201 under the extrusion of the plastic melt, a cold source medium is introduced from the cooling holes 202 to cool the interior of the two-section mold base 200, and the plastic melt is cooled, solidified and molded in the cavities 300 to prepare the battery box pull buckle;

demolding and ejecting: the lifting mechanism 600 drives the top platform 100 to ascend, the elastic element 714 gradually resets, the top platform 100, the upper die holder 210 and the male die 230 are sequentially detached to expose the die cavity 300 at the upper end of the female die 240, then the ejection mechanism 700 ejects a product injected and molded in the die cavity 300 upwards, specifically, the movable ejection plate 710 moves upwards to push a plurality of ejector pins 711 to simultaneously slide upwards with the lower die holder 220 and the female die 240, the top ends of the ejector pins 711 are used for pulling and buckling a battery box to separate from the die cavity 300, and meanwhile, the internal rod 715 of the ejection mechanism 700 upwards ejects residual waste materials in a flow channel in the female die 240.

Further, the utility model provides a battery box tab, the battery box tab is manufactured by the above-mentioned battery box tab injection mold or by the above-mentioned battery box tab injection molding method, wherein 8 injection mold cavities 300 are symmetrically arranged, 8 battery box tabs can be manufactured by one injection molding process, the battery box tab comprises a tab body 800, the tab body 800 is provided with a convex strip portion 801 and a flange portion 802 which are distributed along the length direction of the tab body 800 and respectively arranged on the adjacent side surfaces of the tab body 800, the convex strip portion 801 is used for being matched and clamped and connected on a battery box, the side surface of the flange portion 802 is a curved surface, the curved surface is adapted to the size of the battery box, the aesthetic degree of the structure is promoted, the side surface of the tab body 800 where the convex strip portion 801 is located is provided with at least one counter bore 803, and a spring with the caliber smaller than the inner diameter of the counter bore 803 is arranged in the counter bore 803, the convex strip 801 is fastened with the battery box through the action of the spring, and when the battery box needs to be opened, the pulling buckle body 800 can be pushed through the action of a key, so that the acting force of the spring is overcome, and the convex strip 801 is withdrawn from the clamping connection of the battery box.

Further, the utility model provides an oxygen generator which comprises the battery box pull buckle.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (9)

1. The utility model provides a battery case draws knot injection mold which characterized in that includes:

the top table (100) is used for being in fluid connection with an injection molding system, and a glue inlet (110) is formed in the center of the upper end face of the top table (100);

the two-section die holder (200) comprises an upper die holder (210) and a lower die holder (220) which are detachably connected, and a glue injection runner (211) communicated with the glue inlet (110) is arranged in the upper die holder (210);

the male die (230) and the female die (240) are matched to form a plurality of cavities (300) for manufacturing the battery box pull buckle, the male die (230) is arranged in the inner cavity of the upper die holder (210), the female die (240) is arranged in the inner cavity of the lower die holder (220), the male die (230) is clamped and connected with the female die (240), the side surfaces of the upper die holder (210) and the lower die holder (220) are provided with cooling holes (202) and exhaust holes (201) communicated with the die cavities (300), the male die (230) is provided with a containing cavity (233) communicated with the glue injection flow channel (211), a main runner (241) is arranged between the male die (230) and the female die (240), the main flow channel (241) is connected with a plurality of branch flow channels (242), each branch flow channel (242) is connected with one cavity (300), and the main flow channel (241) is communicated with the containing cavity (233);

the lifting mechanism (600) is used for driving the top platform (100) to move in the vertical height direction, and the output end of the lifting mechanism (600) is connected with the top platform (100);

the ejection mechanism (700) is used for ejecting the injection molding products in the cavity (300) and the waste materials in the injection mold;

and the bottom plate (500) is used for fixing the injection mold structure and forming stable supporting bearing.

2. The battery case tab injection mold of claim 1, wherein: the male die is characterized in that a plurality of positioning blocks (231) are arranged on the male die (230), a plurality of limiting grooves (243) are arranged on the female die (240), the positioning blocks (231) are clamped and slidably connected with the limiting grooves (243), convex portions (232) are arranged at the corner positions of the end face of the male die (230), concave portions (244) are arranged at the corner positions of the end face of the female die (240), and the convex portions (232) are connected with the concave portions (244) in a clamping and matching mode.

3. The battery case tab injection mold of claim 1, wherein: still include fixed connection bottom plate (500) upper end and the spacer (400) that the symmetry set up, elevating system (600) are installed spacer (400) upper end, upper die base (210) with be equipped with locating hole (203) on die holder (220), elevating system (600) output runs through locating hole (203), top platform (100) up end distributes has a plurality of pilot holes (101), top platform (100) are through this pilot hole (101) fixed connection the output tip of elevating system (600).

4. The battery case tab injection mold of claim 1, wherein: ejector mechanism (700) is including activity liftout plate (710) and setting up backing plate (720) in activity liftout plate (710) bottom, activity liftout plate (710) is installed bottom plate (500) upper end, thimble (711), guide post (713), branch (715) and the spiral that set up in groups are installed to activity liftout plate (710) upper end encircle the setting and are in guide post (713) peripheral elastic component (714), thimble (711) tip runs through lower bolster (220) with die (240) extend to in the die cavity (300), branch (715) run through lower bolster (220) with die (240) extend to in accepting cavity (233), bottom plate (500) upper end is equipped with bolster (501) and support nail (712), support nail (712) fixed connection be in thimble (711) bottom.

5. The battery case tab injection mold of claim 4, wherein: the bottom of the lower die holder (220) is provided with a plurality of through holes (221), a plurality of thimble holes (301) are arranged in the cavity (300), and the number of the through holes (221) is the same as that of the thimble holes (301).

6. The battery case tab injection mold of claim 1, wherein: the side surface of the upper die holder (210) is symmetrically provided with a first guide block (212) in threaded connection, the side surface of the lower die holder (220) is symmetrically provided with a second guide block (222) in threaded connection, and the first guide block (212) and the second guide block (222) are connected in a clamping manner.

7. The battery case tab injection mold of claim 1, wherein: the number of the cavities (300) is 8.

8. The utility model provides a battery case is drawn and is buckled which characterized in that: the battery box tab is manufactured by the injection mold of the battery box tab according to any one of claims 1 to 7, the battery box tab comprises a tab body (800), the tab body (800) is provided with a raised strip portion (801) and a flange portion (802) which are distributed along the length direction of the tab body and are respectively arranged on the adjacent side surfaces of the tab body (800), the side surface of the flange portion (802) is provided with a curved surface, and the side surface of the tab body (800) where the raised strip portion (801) is located is provided with at least one counter bore (803).

9. An oxygen generator comprising the battery case tab of claim 8.

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