CN219522894U - Injection mold for storage basket - Google Patents

Abstract

The utility model relates to the technical field of injection molding processes, and discloses an injection mold for a storage basket; the mold comprises a mold body, wherein the mold body comprises an outer mold and a mold core, and a gap between the outer mold and the mold core forms a mold cavity; the outer mold comprises an upper mold, a lower mold, a left mold, a right mold, a front mold and a rear mold, wherein a liquid injection channel communicated with a mold cavity is arranged at the upper mold, and the upper mold, the left mold, the right mold, the front mold and the rear mold can move back to the mold core under the action of external force. Through the structure, the storage basket can be taken out of the mold core conveniently, so that the separation between the molded storage basket and the mold body is convenient.

Description

Injection mold for storage basket

Technical Field

The utility model relates to the technical field of injection molding processes, in particular to an injection mold for a storage basket.

Background

The injection molding process is a molding method for injection and molding, has the characteristics of high production speed, high efficiency, accurate size of injection molding products and the like, is suitable for the molding processing fields of mass production, products with complex shapes and the like, and generally comprises the working procedures of die assembly, glue injection, pressure maintaining, cooling, die opening, injection molding taking out and the like.

An injection mold is a tool for molding an injection molding part in an injection molding process, and generally comprises an outer mold, a mold core, a mold cavity and the like, wherein a gap between the outer mold and the mold core forms the mold cavity in a mold closing state.

Because the most side walls of the storage basket are provided with the leakage holes, the inner side wall of the outer mould or the outer side wall of the mould core of the storage basket injection mould is provided with the bulges, and the end surfaces of the bulges are attached to the inner side wall of the mould core or the inner side wall of the outer mould when in a mould closing state so as to realize the forming of the leakage holes of the storage basket.

Existing injection molds typically move the mold core by an external force during mold opening to effect removal of the injection molding from the mold cavity. In the injection molding process of the object placing basket, when the bulge is arranged on the inner side wall of the outer mold, the bulge limits the position of the object placing basket after molding, so that the object placing basket is difficult to move out of the mold cavity together with the mold core, and the object placing basket is difficult to move out of the mold cavity independently; when the bulge is arranged on the outer side wall of the mold core, the object basket which moves out of the mold cavity synchronously with the mold core is difficult to take out from the mold core. So that inconvenience is brought to the injection molding process of the basket.

Disclosure of Invention

The utility model provides an injection mold for a basket, which can overcome certain or certain defects in the prior art.

The utility model relates to an injection mold for a basket, which comprises the following components: the die body comprises an outer die and a die core, and a gap between the outer die and the die core forms a die cavity; the outer mold comprises an upper mold, a lower mold, a left mold, a right mold, a front mold and a rear mold, wherein a liquid injection channel communicated with a mold cavity is arranged at the upper mold, and the upper mold, the left mold, the right mold, the front mold and the rear mold can move back to the mold core under the action of external force.

Through the above, the mold body drives the outer mold to move back to the mold core when the mold is opened, so that the object basket can be taken out from the mold core preferably when the bulge is arranged on the inner side wall of the outer mold; thereby the separation between the post-forming basket and the die body is better facilitated, the injection molding process of the basket is better realized, and the injection molding rate is better improved.

Preferably, the upper side wall of the lower die is used for being mutually attached with the lower side wall of the die core to form an opening of the storage basket.

Through the above, the liquid injection channel is preferably arranged at the bottom of the storage basket, and the bottom of the storage basket is the thickest part of the whole storage basket, so that the filling and pressure maintaining effects of injection liquid in the die cavity are preferably improved, and the injection molding rate of the storage basket is preferably improved.

Preferably, the upper die comprises an outer upper die and an inner upper die which are arranged up and down; the outer upper die is provided with a main liquid injection hole in a penetrating way, and the inner upper die is provided with a plurality of liquid injection holes in a penetrating way; the upper end face of the inner upper die is provided with a mounting groove, and a flow dividing piece used for communicating the main liquid injection hole with a plurality of sub liquid injection holes is arranged in the mounting groove; the liquid injection channel is composed of a main liquid injection hole, a sub liquid injection hole and a flow dividing piece.

Through the above, the injection molding liquid can be divided into a plurality of parts and respectively flow into the mold cavity from a plurality of part injection molding holes, so that the uniformity of the injection molding liquid flowing into the mold cavity at all parts can be better improved, the mold cavity can be filled with the injection molding liquid, and the injection molding rate of the storage basket is improved.

Preferably, the end face of the flow dividing piece, which is close to the outer upper die, is provided with a first channel communicated with the main liquid injection hole, the end face of the flow dividing piece, which is close to the inner upper die, is provided with a plurality of second channels which are sequentially communicated with the corresponding liquid injection holes, and a third channel used for communicating the first channel with the plurality of second channels is arranged inside the flow dividing piece.

Through the above, the injection molding liquid flowing into the main injection hole can be better distributed to the positions of the sub-injection holes, and the uniformity of the injection molding liquid flowing into the positions of the sub-injection holes from the positions of the main injection hole is better improved, so that the uniformity of the injection molding liquid flowing into the positions of the mold cavity is better improved.

Preferably, the left end wall of the left die, the right end wall of the right die, the rear end wall of the front die and the front end wall of the rear die are all provided with a plurality of first bulges, and the outer end surfaces of the first bulges are mutually attached to the outer side walls of the die cores when the die body is closed.

Through the above, when the die body is assembled, injection molding liquid is injected into the die cavity, and the first bulge limits the filling of the injection molding liquid, so after the die is opened, the second bulge forms the leak hole at the side wall of the storage basket, and the one-step molding injection molding of the storage basket is better facilitated. Wherein, because the first arch is located left side mould right side end wall, right side mould left side end wall, front mould back end wall and back mould front end wall department, so the separation between mould rear-mounted basket and the mould body has been made things convenient for to the preferred.

Preferably, a plurality of second bulges are arranged at the upper end wall of the mold core, and the outer end surfaces of the second bulges are used for being mutually attached to the lower end wall of the upper mold when the mold body is assembled.

Through the above, when the die body is assembled, injection molding liquid is injected into the die cavity, and the second bulge limits the filling of the injection molding liquid, so that after the die is opened, the second bulge forms the leak hole at the bottom wall of the storage basket, and the one-step molding injection molding of the storage basket is better facilitated.

Preferably, the left die, the right die, the front die and the rear die are respectively provided with a die locking groove in inclined arrangement at two ends of the outer side wall, the bottom surfaces of the two adjacent die locking grooves are positioned on the same plane when the die body is assembled, and the bottom surfaces of the die locking grooves are provided with first screw holes.

Through the above, after the die body is assembled, workers can adopt the locking templates to put into two adjacent locking cavities, and adopt screws to fix the two end parts of the locking templates in the corresponding locking cavities, so as to fix the relative positions of the left die, the right die, the front die and the rear die, further lock the relative positions of the die body, and further facilitate the transfer of the die body. The bottom surfaces of two adjacent mold locking grooves are positioned in the same plane when the mold body is assembled, so that only one end surface of the mold locking plate matched with the mold locking grooves is required to be a plane, and the mold locking plate is convenient to manufacture.

Preferably, the outer end surfaces of the front die and the rear die are respectively provided with a locking plate with a locking hole, the front end surface and the rear end surface of the lower die are respectively provided with a groove, the die body further comprises a locking piece penetrating through the locking holes, the locking piece comprises a first lug and a second lug which are arranged at two end parts of the locking piece and used for limiting the locking piece to be separated from the locking holes, and the second lug is used for being inserted into the grooves when the die body is assembled; the groove and the second bump are provided with second screw holes.

Through the above, after the die body is assembled, the worker can insert the second screw hole by adopting the screw to fix the locking piece at the lower die, so as to fix the relative positions of the front die, the rear die and the lower die, further lock the relative positions of the die body, and further facilitate the transfer of the die body.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold for a basket in embodiment 1.

Fig. 2 is an exploded view of an injection mold for a basket in example 1.

Fig. 3 is a schematic diagram of the upper, left, right, front and rear molds in embodiment 1.

Fig. 4 is a schematic structural diagram of a mold core and a lower mold in embodiment 1.

Fig. 5 is a schematic diagram of the structure of the lower die in embodiment 1.

Fig. 6 is a schematic structural diagram of the inner upper die and the splitter in embodiment 1.

Fig. 7 is a schematic structural view of the inner upper die in embodiment 1.

Fig. 8 is a schematic structural view of the inner upper die in embodiment 1.

Fig. 9 is a schematic structural view of the flow divider in embodiment 1.

Fig. 10 is a top view of the splitter of fig. 9.

FIG. 11 is a schematic view of section A-A of the splitter of FIG. 10.

FIG. 12 is a schematic view of section B-B of the splitter of FIG. 10.

FIG. 13 is a schematic view of the shunt of FIG. 11 in section C-C.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.

Example 1

As shown in fig. 1-13, the present embodiment provides an injection mold for a basket, which includes a mold body 100, wherein the mold body 100 includes an outer mold and a mold core 210, and a gap between the outer mold and the mold core 210 forms a mold cavity; the outer mold comprises an upper mold 110, a lower mold 121, a left mold 122, a right mold 123, a front mold 124 and a rear mold 220, and a liquid injection channel communicated with the mold cavity is arranged at the upper mold 110; the upper mold 110, the left mold 122, the right mold 123, the front mold 124, and the rear mold 220 can move away from the mold core 210 under the action of external force.

In this embodiment, the upper mold 110, the left mold 122, the right mold 123, the front mold 124 and the rear mold 220 can be driven to move by conventional technical means, for example, the upper mold 110, the left mold 122, the right mold 123, the front mold 124 and the rear mold 220 can be driven to move by an air cylinder or a motor.

In this way, since the mold body 100 drives the outer mold to move back to the mold core 210 during mold opening, when the protrusion is disposed on the inner sidewall of the outer mold, the basket can be preferably taken out from the mold core 210; thereby preferably facilitating the separation between the molded post-basket and the mold body 100, further preferably realizing the injection molding process of the basket and preferably improving the injection molding rate. Specifically, when the mold body 100 is in use, the mold core 210 and the lower mold 121 may be fixed molds, and the upper mold 110, the left mold 122, the right mold 123, the front mold 124 and the rear mold 220 may be movable molds. After the mold body 100 is formed, a gap between the outer mold and the mold core 210 forms a mold cavity, a worker injects injection liquid into the mold cavity through the injection liquid channel, and after the mold cavity is filled with the injection liquid and the injection liquid is cooled and molded, the worker drives the upper mold 110, the left mold 122, the right mold 123, the front mold 124 and the rear mold 220 to move towards the upper side, the left side, the right side, the front side and the rear side respectively through external force, and then takes out the basket from the mold core 210.

In this embodiment, as shown in fig. 2, the upper side wall of the lower mold 121 is used to attach to the lower side wall of the mold core 210 to form the basket opening.

Through the above, the liquid injection channel is preferably arranged at the bottom of the storage basket, and the bottom of the storage basket is the thickest part of the whole storage basket, so that the filling and pressure maintaining effects of injection liquid in the die cavity are preferably improved, and the injection molding rate of the storage basket is preferably improved.

In this embodiment, the upper mold 110 includes an outer upper mold 111 and an inner upper mold 112 disposed up and down; the outer upper die 111 is provided with a main liquid injection hole 131 in a penetrating way, and the inner upper die 112 is provided with a plurality of liquid injection holes 231 in a penetrating way; a mounting groove 710 is arranged at the upper end surface of the inner upper die 112, and a flow dividing piece 720 for communicating the main liquid injection hole 131 with the plurality of liquid dividing holes 231 is arranged in the mounting groove 710; the pouring channel is constituted by the main pouring orifice 131, the separate pouring orifice 231, and the flow divider 720.

Through the above, the injection molding liquid can be divided into a plurality of parts and respectively flow into the mold cavity from the plurality of part injection dispensing holes 231, so that the uniformity of the injection molding liquid flowing into the mold cavity everywhere can be better improved, the mold cavity can be filled with the injection molding liquid, and the injection molding rate of the object placing basket is improved.

In this embodiment, a first channel 721 communicating with the main injection hole 131 is disposed at the end face of the flow dividing member 720 near the outer upper mold 111, a plurality of second channels 1110 communicating with the corresponding injection holes 231 in sequence are disposed at the end face of the flow dividing member 720 near the inner upper mold 112, and a third channel 1211 communicating the first channel 721 with the plurality of second channels 1110 is disposed inside the flow dividing member 720.

Through the above, the injection molding liquid flowing into the main injection hole 131 can be preferably split to each of the sub-injection holes 231, and the uniformity of the injection molding liquid flowing into each of the sub-injection holes 231 from the main injection hole 131 is preferably improved, so that the uniformity of the injection molding liquid flowing into each of the cavities is preferably improved.

In this embodiment, the right end wall of the left mold 122, the left end wall of the right mold 123, the rear end wall of the front mold 124, and the front end wall of the rear mold 220 are all provided with a plurality of first protrusions 230, and the outer end surfaces of the first protrusions 230 are used for being mutually attached to the outer side walls of the mold core 210 when the mold body 100 is closed.

Through the above, when the mold body 100 is closed, the injection molding liquid is injected into the mold cavity, and the filling of the injection molding liquid is limited at the first protrusion 230, so that after the mold is opened, the leak hole at the side wall of the basket is formed at the second protrusion 410, thereby preferably facilitating the one-step molding injection molding of the basket. The first protrusion 230 is disposed at the right end wall of the left mold 122, the left end wall of the right mold 123, the rear end wall of the front mold 124, and the front end wall of the rear mold 220, so that the separation between the open rear basket and the mold body 100 is preferably facilitated.

In this embodiment, a plurality of second protrusions 410 are disposed at the upper end wall of the mold core 210, and the outer end surfaces of the second protrusions 410 are used to attach to the lower end wall of the upper mold 110 when the mold body 100 is closed.

Through the above, when the mold body 100 is closed, injection molding liquid is injected into the mold cavity, and the filling of the injection molding liquid is limited at the second protrusion 410, so that after the mold is opened, the leak hole at the bottom wall of the storage basket is formed at the second protrusion 410, thereby preferably facilitating the one-step molding injection molding of the storage basket.

In this embodiment, the two ends of the outer side walls of the left mold 122, the right mold 123, the front mold 124 and the rear mold 220 are respectively provided with a mold locking groove 140, the bottom surfaces of two adjacent mold locking grooves 140 are located on the same plane when the mold body 100 is closed, and the bottom surfaces of the mold locking grooves 140 are provided with first screw holes 141.

Through the above, after the die body 100 is assembled, a worker can place the locking plates into two adjacent locking grooves 140, and fix the two ends of the locking plates into the corresponding locking grooves 140 by using screws, so as to fix the relative positions of the left die 122, the right die 123, the front die 124 and the rear die 220, and further lock the relative positions of the die body 100, thereby preferably facilitating the transfer of the die body 100. Because the bottom surfaces of two adjacent mold locking grooves 140 are located in the same plane when the mold body 100 is assembled, only one end surface of the mold locking plate matched with the mold locking grooves is required to be a plane, thereby facilitating the manufacture of the mold locking plate.

In this embodiment, the outer end surfaces of the front mold 124 and the rear mold 220 are provided with locking plates 150 having locking holes 151, the front end surface and the rear end surface of the lower mold 121 are provided with grooves 152, the mold body 100 further comprises locking members 160 penetrating through the locking holes 151, the locking members 160 comprise first protrusions 161 and second protrusions 162 disposed at both end portions thereof for restricting the release thereof from the locking holes 151, and the second protrusions 162 are inserted into the grooves 152 when the mold body 100 is closed; the second screw holes 163 are disposed at the positions of the groove 152 and the second bump 162.

Through the above, after the mold body 100 is assembled, the worker can insert the second screw hole 163 with the screw to fix the locking member 160 at the lower mold 121, thereby fixing the relative positions of the front mold 124, the rear mold 220 and the lower mold 121, and locking the relative position of the mold body 100, so as to better facilitate the transfer of the mold body 100.

It is to be understood that, based on one or several embodiments provided in the present utility model, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present utility model to obtain other embodiments, which do not exceed the protection scope of the present utility model.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the examples are merely illustrative of embodiments of the utility model and the actual construction is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (8)

1. An injection mold for a storage basket, which is characterized in that: the mold comprises a mold body (100), wherein the mold body (100) comprises an outer mold and a mold core (210), and a gap between the outer mold and the mold core (210) forms a mold cavity; the outer die comprises an upper die (110), a lower die (121), a left die (122), a right die (123), a front die (124) and a rear die (220), and a liquid injection channel communicated with the die cavity is arranged at the upper die (110); the upper die (110), the left die (122), the right die (123), the front die (124) and the rear die (220) can move back to the die core (210) under the action of external force.

2. The basket injection mold of claim 1, wherein: the upper side wall of the lower die (121) is used for being mutually attached with the lower side wall of the die core (210) to form an opening of the storage basket.

3. The basket injection mold of claim 1, wherein: the upper die (110) comprises an outer upper die (111) and an inner upper die (112) which are arranged up and down; a main liquid injection hole (131) is formed in the outer upper die (111) in a penetrating manner, and a plurality of liquid separation holes (231) are formed in the inner upper die (112) in a penetrating manner; a mounting groove (710) is formed in the upper end face of the inner upper die (112), and a flow dividing piece (720) used for communicating the main liquid injection hole (131) with the plurality of liquid dividing holes (231) is arranged in the mounting groove (710); the liquid injection channel is composed of a main liquid injection hole (131), a sub liquid injection hole (231) and a flow dividing piece (720).

4. A basket injection mold according to claim 3, wherein: the end face of the flow dividing piece (720) close to the outer upper die (111) is provided with a first channel (721) communicated with the main liquid injection hole (131), the end face of the flow dividing piece (720) close to the inner upper die (112) is provided with a plurality of second channels (1110) communicated with the corresponding liquid injection holes (231) in sequence, and a third channel (1211) used for communicating the first channel (721) with the plurality of second channels (1110) is arranged inside the flow dividing piece (720).

5. The basket injection mold of claim 2, wherein: the left end wall of the left die (122), the left end wall of the right die (123), the rear end wall of the front die (124) and the front end wall of the rear die (220) are respectively provided with a plurality of first bulges (230), and the outer end surfaces of the first bulges (230) are mutually attached to the outer side walls of the die cores (210) when the die body (100) is assembled.

6. The basket injection mold of claim 2, wherein: the upper end wall of the mold core (210) is provided with a plurality of second bulges (410), and the outer end surface of each second bulge (410) is used for being mutually attached to the lower end wall of the upper mold (110) when the mold body (100) is assembled.

7. The basket injection mold of claim 1, wherein: the left die (122), the right die (123), the front die (124) and the rear die (220) are respectively provided with a die locking groove (140) which is obliquely arranged at two ends of the outer side wall, the bottom surfaces of two adjacent die locking grooves (140) are positioned on the same plane when the die body (100) is clamped, and a first screw hole (141) is formed in the bottom surface of each die locking groove (140).

8. The basket injection mold of claim 1, wherein: the outer end surfaces of the front die (124) and the rear die (220) are respectively provided with a locking plate (150) with a locking hole (151), the front end surface and the rear end surface of the lower die (121) are respectively provided with a groove (152), the die body (100) further comprises a locking piece (160) penetrating through the locking hole (151), the locking piece (160) comprises a first lug (161) and a second lug (162) which are arranged at two end parts of the locking piece and are used for limiting the locking piece to be separated from the locking hole (151), and the second lug (162) is used for being inserted into the groove (152) when the die body (100) is clamped; the groove (152) and the second bump (162) are respectively provided with a second screw hole (163).