CN218196795U

CN218196795U - Battery plastic shell injection mold easy to radiate heat

Info

Publication number: CN218196795U
Application number: CN202222476008.8U
Authority: CN
Inventors: 韩峰; 严勇康; 胡丹莉; 朱程程; 尹明成
Original assignee: Zhejiang Tianneng Jinggong Technology Co ltd
Current assignee: Zhejiang Tianneng Jinggong Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-03
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses an easily radiating battery moulds shell injection mold relates to injection mold technical field. The device comprises a top plate, a base, an upper die and a lower die, wherein the upper die is arranged on the bottom surface of the top plate, and the lower die is arranged on the top of the base; the bottom surface of the upper die and the top surface of the lower die are attached to form a forming cavity in the inner side of the bottom surface, the upper portion of the top plate is provided with an injection molding opening communicated with the forming cavity, the top plate is provided with a cooling structure all around and the forming cavity all around, the cooling structure cavity comprises a cooling cavity and a water supply cavity located on the outer side of the cooling cavity, a partition plate with a water hole is arranged between the cooling cavity and the water supply cavity, the water supply cavity is connected with a water inlet pipe, and the cooling cavity is connected with a water outlet. The utility model discloses a set up the cooling structure of enclosed type all around at the shaping chamber, the water hole of crossing on the cooperation water supply chamber evenly supplies water for the cooling intracavity to local high low or the inhomogeneous phenomenon of cooling can not appear in the time of guaranteeing the refrigerated. The qualification rate of the product is greatly improved.

Description

Battery plastic shell injection mold easy to radiate heat

Technical Field

The utility model belongs to the technical field of injection mold, especially, relate to an easily radiating battery moulds shell injection mold.

Background

When the mould of moulding the shell of battery is making the battery mould, at first with the plastic material liquid that the preparation was accomplished pour into inside the mould, press inside material liquid with mould top structure again, along with increase liquid of time cools off gradually and final shaping, but do not have the radiating ability of cooling down in the current mould, because the material is the preparation of making under high temperature environment, its inside temperature can spread into gradually in the mould after leading-in mould, the operator can only judge according to daily experience during the current drawing of patterns, and then still have partial material in the mould, and not dry completely, lead to undried product to lose the support of mould, take place structural deformation. The design of the cooling system is therefore very important in injection moulding moulds. The reason is that the formed plastic product can not be deformed due to external force after being demoulded until the formed plastic product is cooled and solidified to certain rigidity. The cooling time accounts for about 70-80% of the whole molding cycle, so that the well designed cooling system can greatly shorten the molding time, improve the injection molding productivity and reduce the cost. When the existing mold is cooled, uneven cooling is often caused due to improper design, further warping deformation of the plastic product is caused, and meanwhile, the forming time is prolonged due to an improper cooling system, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold is moulded to easy radiating battery shell makes the heat dissipation cooling that the mould can be even cool off through setting up cooling structure, thereby has solved current cooling device and can cause warpage's problem because of cooling is inhomogeneous.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a battery plastic shell injection mold easy to dissipate heat, which comprises a top plate, a base, an upper mold and a lower mold, wherein the upper mold is installed on the bottom surface of the top plate, and the lower mold is installed on the top of the base; go up the bottom surface of mould with form the die cavity in its inboard behind the laminating of bed die top surface, roof upper portion is equipped with the mouth of moulding plastics with this die cavity intercommunication, the roof all is provided with cooling structure all around with the die cavity all around, the cooling structure chamber includes cooling chamber and the water supply chamber that is located the cooling chamber outside, be provided with the baffle that has the water hole between cooling chamber and the water supply chamber, roof, last mould and bed die all are provided with an inlet tube, the water supply chamber links to each other with the inlet tube, the cooling chamber links to each other with the delivery port.

As an optimized technical scheme of the utility model, the inlet tube is provided with a plurality of branch pipes and is linked together with inside water supply chamber.

As an optimized technical scheme of the utility model, the lower surface ring of roof week is provided with a plurality of first protruding pipes that go out water that are linked together with the cooling chamber.

As a preferred technical scheme of the utility model, it is provided with a plurality of and first protruding tub assorted of last mould butt joint hole to go up the mould top, it is provided with a plurality of protruding tubs of second play that are linked together with the cooling chamber to go up the mould bottom.

As a preferred technical scheme of the utility model, the bed die top is provided with a plurality of and the protruding tub assorted lower mould butt joint hole of second play water, the bed die bottom is provided with a plurality of apopores, the apopore is linked together with the outlet pipe.

As an optimized technical scheme of the utility model, be provided with the groove of stepping down that the confession outlet pipe passed through on the base.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the cooling structure of enclosed type all around at the shaping chamber, and through a one-to-one delivery pipe and encircle at mould a plurality of branch pipes all around, the water hole of crossing on the cooperation water supply chamber gives the even water supply of cooling intracavity to local high low or the inhomogeneous phenomenon of cooling can not appear in the time of guaranteeing the refrigerated. The qualification rate of the product is greatly improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of another angle of FIG. 1;

fig. 3 is a schematic perspective view of the middle top plate of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a cross-sectional view of FIG. 3;

fig. 6 is a schematic perspective view of the upper mold of the present invention;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is a schematic perspective view of the middle and lower molds of the present invention;

fig. 9 is a schematic perspective view of the base of the present invention;

in the drawings, the reference numbers indicate the following list of parts:

1-a top plate, 11-a first water outlet convex pipe; 2-upper die, 21-upper die butt joint hole, 22-second water outlet convex pipe; 3-lower die, 31-lower die butt joint hole; 4-a base; 5-water inlet pipe; 6-water outlet pipe; 7-a water supply cavity; 8-a cooling chamber; 9-a forming cavity; 10-a separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1-9: the utility model provides an easy-to-radiate battery plastic shell injection mold, which comprises a top plate 1, a base 4, an upper mold 2 and a lower mold 3, wherein the upper mold 2 is arranged on the bottom surface of the top plate 1, and the lower mold 3 is arranged on the top of the base 4; go up the bottom surface of

mould

2 and 3 top surfaces laminating back at its inboard shaping chamber 9 of bed die, 1 upper portion of roof is equipped with the mouth of moulding plastics that communicates with this shaping chamber 9, its characterized in that: roof 1 all around, go up the shaping chamber 9 that mould 2 and bed die 3 formed and all be provided with cooling structure all around, the cooling structure chamber includes cooling chamber 8 and the water supply chamber 7 that is located the 8 outsides in cooling chamber, is provided with the baffle 10 that has the water hole between cooling chamber 8 and the water supply chamber 7, and roof 1, last mould 2 and bed die 3 all are provided with an inlet tube 5, and water supply chamber 7 links to each other with inlet tube 5, and cooling chamber 8 links to each other with the delivery port.

In this embodiment, at roof 1, set up solitary cooling structure around mould 2 and the bed die 3, and roof 1, it supplies with cooling water simultaneously to go up mould 2 and bed die 3, thereby make all can be enclosed by cooling water and realize the thermally equivalent around the mould, cooling structure includes cooling chamber 8 and water supply chamber 7, cooling chamber 8 is located inside and contacts with the mould body, water supply chamber 7 is located the outside and contacts with inlet tube 5, baffle 10 that has the water hole of crossing can make the water that supplies water chamber 7 through crossing in the even inflow cooling chamber 8 in the water hole, then contact with the mould body again, the multiple spot supplies water, the multiple spot cooling, the cooling is comparatively more even for the sake.

Inlet tube 5 is provided with four branch pipes in this embodiment, and four branch pipe evenly distributed are just linked together with water supply chamber 7 around water supply chamber 7, can guarantee that four faces of water supply chamber 7 all have the cooling water to get into, and the cooling water that can prevent local entering is too much, causes some point to be heated inequality.

As shown in fig. 3, 4 and 5: a plurality of first water outlet convex pipes 11 communicated with the cooling cavity 8 are arranged on the circumferential side of the lower surface of the top plate 1. The first water outlet convex pipe 11 is used for discharging cooling water, and the cooling water is uniformly discharged into the cooling cavity 8 of the upper die 2 through a plurality of water outlets.

As shown in fig. 6 and 7: the top of the upper die 2 is provided with a plurality of upper die butt-joint holes 21 matched with the first water outlet convex pipes 11, and the bottom of the upper die 2 is provided with a plurality of second water outlet convex pipes 22 communicated with the cooling cavity 8. The cooling water of the cooling cavity 8 of the top plate 1 enters the cooling cavity 8 of the upper die 2 and then flows into the lower die 3 through the second water outlet convex pipe 22 below the upper die 2.

As shown in fig. 8: the top of the lower die 3 is provided with a plurality of lower die butt-joint holes 31 matched with the second water outlet convex pipes 22, the bottom of the lower die 3 is provided with a plurality of water outlet holes, and the water outlet holes are communicated with the water outlet pipe 6.

As shown in fig. 9: the base 4 is provided with a yielding groove 41 for the water outlet pipe 6 to pass through.

In this embodiment, the water flow direction of the whole is that the top plate, the upper mold and the lower mold are all supplied with water separately, the water supply pipes are arranged around the mold, and water is uniformly supplied to the sides around the mold. Due to the combination and sealing requirements of the die, the water outlet convex pipe is matched with the butt joint hole in the water outlet aspect, cooling water is left downwards in sequence from top to bottom, and then is pumped out through the water outlet pipe 6 arranged at the bottom of the lower die 3. The water outlet pipe 6 is connected with a water suction pump, and one end of the water inlet pipe 5 is also connected with a water supply pump. Thereby keeping the supply and the discharge of water and realizing continuous temperature reduction and cooling.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A battery plastic shell injection mold easy to dissipate heat comprises a top plate (1), a base (4), an upper mold (2) and a lower mold (3), wherein the upper mold (2) is installed on the bottom surface of the top plate (1), and the lower mold (3) is installed on the top of the base (4); the bottom surface of going up mould (2) with form into die cavity (9) in its inboard behind bed die (3) top surface laminating, roof (1) upper portion is equipped with the mouth of moulding plastics that communicates with this becomes die cavity (9), its characterized in that: roof (1) all is provided with cooling structure all around with become die cavity (9), the cooling structure chamber includes cooling chamber (8) and is located water supply chamber (7) in cooling chamber (8) outside, be provided with between cooling chamber (8) and the water supply chamber (7) baffle (10) that have the water hole of crossing, roof (1), last mould (2) and bed die (3) all are provided with an inlet tube (5), water supply chamber (7) link to each other with inlet tube (5), cooling chamber (8) link to each other with the delivery port.

2. The battery plastic case injection mold easy to dissipate heat as recited in claim 1, wherein the water inlet pipe (5) is provided with a plurality of branch pipes, and the branch pipes are evenly distributed around the water supply cavity (7) and are communicated with the water supply cavity (7).

3. The battery plastic shell injection mold easy to dissipate heat as recited in claim 2, wherein a plurality of first water outlet convex pipes (11) communicated with the cooling cavity (8) are arranged around the lower surface of the top plate (1).

4. The battery plastic shell injection mold easy to dissipate heat as recited in claim 3, wherein the top of the upper mold (2) is provided with a plurality of upper mold butt-joint holes (21) matching with the first water outlet convex pipes (11), and the bottom of the upper mold (2) is provided with a plurality of second water outlet convex pipes (22) communicated with the cooling cavity (8).

5. The battery plastic case injection mold easy to dissipate heat as recited in claim 4, wherein the top of the lower mold (3) is provided with a plurality of lower mold butting holes (31) matching with the second water outlet convex pipes (22), the bottom of the lower mold (3) is provided with a plurality of water outlet holes, and the water outlet holes are communicated with the water outlet pipes (6).

6. The battery plastic case injection mold easy to dissipate heat as recited in claim 5, wherein the base (4) is provided with a relief groove (41) for the water outlet pipe (6) to pass through.