CN214324016U

CN214324016U - Button cell injection mold

Info

Publication number: CN214324016U
Application number: CN202022866073.2U
Authority: CN
Inventors: 肖海燕; 刘晓伟; 刘祥郡; 董水金; 黄利平; 刘沙
Original assignee: Xinyu Ganfeng Electronics Co Ltd
Current assignee: Xinyu Ganfeng Electronics Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-01
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to an injection mold technical field especially relates to a button cell injection mold, including last die carrier, mold core and lower die carrier, the mold core includes respectively with last mold carrier and the last mold core and the lower mold core of lower die carrier looks adaptation, lower mold core includes primary module, submodule and resilient means, the submodule is located the both ends of primary module respectively, resilient means connects primary module and submodule and makes its combination become a plurality of holding tanks that are used for placing the product that needs to mould plastics, resilient means is used for making primary module and submodule zonulae occludens when the mold core is located lower mold carrier down, makes the clearance between primary module and the submodule when the mold core takes out from lower mold carrier down, it is provided with an injection molding mouth with the lateral wall of lower mold carrier zonulae occludens and its junction to go up the mold carrier, the mouth of moulding plastics all communicates with each holding tank. The utility model discloses in, resilient means's setting has made things convenient for the product to take out from last mould core after moulding plastics.

Description

Button cell injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to a button cell injection mold.

Background

With the increasing development of electronic products, button cells are widely used in various miniature electronic products due to their lightness and smallness, and are mainly used as backup power sources for various electronic products, such as computer motherboards, electronic watches, electronic dictionaries, electronic scales, memory cards, remote controllers, CPC cards, electronic display screens, and the like, and the requirements of people on button cells are increasing. Button cells are not only portable, but also require ultra-high capacity and service life, and therefore new button cells are developed to meet market demands.

Button cell generally need utilize the mould to mould plastics to its electricity core outside, but current injection mold generally has the structure complicacy, injection molding effect is unstable, injection moulding product is single, work efficiency is low, the inconvenient product of taking out scheduling problem in the mould after the completion of moulding plastics.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a button cell injection mold.

The utility model adopts the following technical scheme: the utility model provides a button cell injection mold, includes die carrier, mold core and lower die carrier, the mold core includes respectively with last mold core and the lower mold core of last mold carrier and lower mold carrier looks adaptation, lower mold core includes primary module, submodule and resilient means, the submodule is located the both ends of primary module respectively, resilient means connects primary module and submodule and makes its combination become a plurality of holding tanks that are used for placing the product that needs to mould plastics, resilient means is used for making primary module and submodule zonulae occludens when the mold core is located lower mold carrier down, makes the clearance between primary module and the submodule when the lower mold core takes out from lower mold carrier down, it is provided with one with the mouth of moulding plastics with the lateral wall of lower mold carrier zonulae occludens and its junction to go up the mold carrier, the mouth of moulding plastics all communicates with each holding tank.

Preferably, a plurality of sealing blocks are arranged on the upper mold core, a plurality of insulating blocks are arranged on the lower mold core, the accommodating grooves are formed in the insulating blocks, and the sealing blocks are used for sealing the accommodating grooves with the upward openings.

Preferably, the injection molding opening is communicated with the accommodating grooves through runners, the lower end face of the upper mold core and the upper end face of the lower mold core are provided with the runners, and the two runners are matched with each other to form a channel for communicating the injection molding opening with the accommodating grooves.

Preferably, the elastic device comprises a clamping shaft and a return spring, the clamping shaft penetrates through the main module and the secondary modules on two sides of the main module respectively, the middle of the clamping shaft is matched with the main module, the return spring is located at two ends of the clamping shaft, one end of the return spring is abutted against the side wall of the main module, the other end of the return spring is abutted against the side wall of the secondary module, clamping blocks are arranged at two ends of the clamping shaft, a through hole is formed in the side wall of the secondary module, a blocking ring is arranged on the inner wall of the through hole, the inner diameter of the blocking ring is matched with the diameter of the clamping shaft, and the clamping block is located on one side, away from the main module, of the blocking ring.

Preferably, the clamping block is detachably connected with the clamping shaft.

Preferably, the lower die frame is provided with a lower clamping groove matched with the lower die core, at least one inner side wall of the lower clamping groove inclines towards the middle of the bottom of the die, and the side wall of the lower die core is matched with the lower clamping groove.

Preferably, the inner wall of the lower clamping groove is provided with a convex plate, and the side wall of the lower mold core is provided with a clamping groove matched with the convex plate.

Preferably, the both sides of lower mold core are provided with the side ear, the lateral wall of screens groove is provided with the opening of side ear looks adaptation down, the side ear is located the both sides of die carrier down.

Preferably, the lower mold core is provided with a bolt which transversely penetrates through the lower mold core and is respectively matched with the main module and the secondary modules at the two sides of the main module.

Preferably, an upper clamping groove matched with the upper mold core is formed in the upper mold frame.

The utility model discloses one of following beneficial effect has at least:

in the utility model, the upper mold core is positioned in the upper mold base, the lower mold core is positioned in the lower mold base, the upper mold core and the lower mold core form a mold core, and the mold core is positioned by the upper mold base and the lower mold base, so the structure is simple and the installation is convenient; the injection molding product is placed in the accommodating tank, the upper end of the accommodating tank is in compression joint with the upper die core, the injection molding material flows to the accommodating tank from the injection molding port, when the product is just matched with the side wall of the accommodating tank, the upper end surface of the product is lower than the upper end opening of the accommodating tank, injection molding can be completed on the upper end of the product, when the product has a certain gap with the inner wall of the accommodating tank and the upper end surface of the product is lower than the upper end opening of the accommodating tank, injection molding can be completed on the side end and the upper end of the product, different accommodating tank structures can also be used for injection molding different products, and the practicability of the utility model is effectively improved; and the resilient means that sets up on the lower mold core can control primary module and submodule zonulae occludens or have certain clearance, and the lateral wall of holding tank also zonulae occludens when primary module and submodule zonulae occludens can mould plastics, also has certain clearance between the lateral wall of holding tank when primary module and submodule have certain clearance, and the release of the lateral wall of holding tank is conveniently taken out the product after moulding plastics from the holding tank.

Drawings

FIG. 1 is an assembly schematic of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 3 is a schematic structural view of a mold core in a preferred embodiment of the present invention;

FIG. 4 is a schematic bottom view of the upper mold core in the preferred embodiment of the present invention;

FIG. 5 is a schematic structural view of a lower mold core in a preferred embodiment of the present invention;

FIG. 6 is a schematic view of the assembly of the lower mold core according to the preferred embodiment of the present invention;

fig. 7 is a schematic structural view of the elastic device in the preferred embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of a sub-module in a preferred embodiment of the present invention;

FIG. 9 is a schematic structural view of an upper mold frame in a preferred embodiment of the present invention;

fig. 10 is a schematic bottom view of the upper mold frame according to the preferred embodiment of the present invention;

fig. 11 is a schematic structural view of the lower mold frame in the preferred embodiment of the present invention.

Description of reference numerals:

10 upper die carrier, 11 injection molding mouth, 12 upper clamping groove, 20 die core, 21 upper die core, 211 sealing block, 212 runner, 22 lower die core, 221 main module, 222 secondary module, 2221 through hole, 2222 retaining ring, 2223 clamping groove, 223 elastic device, 2231 clamping shaft, 2232 return spring, 2233 clamping block, 224 accommodating groove, 225 insulating block, 226 side lug, 227 bolt, 30 lower die carrier, 31 lower clamping groove, 32 convex plate and 33 opening.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like refer to the orientation or positional relationship as shown in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Referring to fig. 1 to 11, a preferred embodiment of the present invention, a button cell injection mold, comprising an upper mold frame 10, a mold core 20 and a lower mold frame 30, wherein the mold core 20 comprises an upper mold core 21 and a lower mold core 22 respectively matched with the upper mold frame 10 and the lower mold frame 30, the lower mold core 22 comprises a main module 221, a sub-module 222 and an elastic device 223, the sub-module 222 is respectively located at two ends of the main module 221, the elastic device 223 connects the main module 221 and the sub-module 222 and combines them into a plurality of accommodating grooves 224 for accommodating products to be injection molded, the elastic device 223 is used for tightly connecting the main module 221 and the sub-module 222 when the lower mold core 22 is located in the lower mold frame 30, when the lower mold core 22 is taken out from the lower mold frame 30, a gap is formed between the main module 221 and the sub-module 222, the upper mold frame 10 is tightly connected with the lower mold frame 30, and a sidewall of the connection position is provided with an injection port 11, and the injection port 11 is communicated with each accommodating groove 224. In the utility model, the upper mold core 21 is positioned in the upper mold base 10, the lower mold core 22 is positioned in the lower mold base 30, the upper mold core 21 and the lower mold core 22 form the mold core 20, and the mold core 20 is positioned by the upper mold base 10 and the lower mold base 30, so that the structure is simple and the installation is convenient; the injection molding product is placed in the holding tank 224, the upper end of the holding tank 224 is in compression joint with the upper mold core 21, the injection molding material flows to the holding tank 224 from the injection molding port 11, when the product is just matched with the side wall of the holding tank 224, the upper end surface of the product is lower than the upper end opening of the holding tank 224, injection molding can be completed on the upper end of the product, when the product has a certain gap with the inner wall of the holding tank 224 and the upper end surface of the product is lower than the upper end opening of the holding tank 224, injection molding can be completed on the side end and the upper end of the product, different holding tank 224 structures can also be used for injection molding on different products, and the practicability of the utility model is effectively improved; and the elastic device 223 arranged on the lower mold core 22 can control the main module 221 and the sub-module 222 to be tightly connected or to have a certain gap, when the main module 221 and the sub-module 222 are tightly connected, the side wall of the accommodating groove 224 is also tightly connected, so that injection molding can be performed, when the main module 221 and the sub-module 222 have a certain gap, a certain gap is also formed between the side walls of the accommodating groove 224, and the side walls of the accommodating groove 224 are loosened, so that an injection molded product can be conveniently taken out from the accommodating groove 224.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the upper mold core 21 is provided with a plurality of sealing blocks 211, the lower mold core 22 is provided with a plurality of insulating blocks 225, the accommodating grooves 224 are formed in the insulating blocks 225, the sealing blocks 211 are used for closing the accommodating grooves 224 with upward openings, and the sealing blocks 211 and the insulating blocks 225 are mutually abutted so as to close the accommodating grooves 224 and form an injection molding space; in this embodiment, the sealing block 211 and the insulating block 225 are made of the same material, and may be made of zirconia, ceramic, glass, etc., and have insulating and wear-resistant properties; in this embodiment, four insulating blocks 225, that is, four receiving grooves 224, are disposed on the lower mold core 22, four corresponding sealing blocks 211 are disposed on the upper mold core 21, two half insulating blocks 225 are disposed on the single sub-module 222, two half insulating blocks 225 are disposed on two sides of the main module 221, respectively, and a joint line between the main module 221 and the sub-module 222 is a center line of the receiving grooves 224.

The injection molding port 11 is communicated with each accommodating groove 224 through arranging a flow channel 212, the lower end surface of the upper mold core 21 and the upper end surface of the lower mold core 22 are both provided with the flow channels 212, the two flow channels 212 are matched with each other to form a channel which enables the injection molding port 11 to be communicated with each accommodating groove 224, and injection molding raw materials flow to the accommodating grooves 224 from the injection molding port 11 through the channel formed by the two flow channels 212, so that injection molding work is completed; in this embodiment, the flow channel 212 is composed of a main flow channel and an X-shaped sub flow channel, the main flow channel is communicated with the intersection of the sub flow channels, the four end points of the sub flow channels are respectively communicated with the four receiving grooves 224, and the injection molding port 11 is communicated with one end of the main flow channel.

The elastic device 223 includes a locking shaft 2231 and a return spring 2232, the locking shaft 2231 penetrates through the main module 221 and the sub-modules 222 on two sides thereof, the middle of the locking shaft 2231 is adapted to the main module 221, the return spring 2232 is located at two ends of the locking shaft 2231, one end of the return spring 2232 is abutted to the side wall of the main module 221, the other end is abutted to the side wall of the sub-modules 222, locking blocks 2233 are located at two ends of the locking shaft 2231, a through hole 2221 is located on the side wall of the sub-module 222, a stop ring 2222 is located on the inner wall of the through hole 2221, the inner diameter of the stop ring 2222 is adapted to the diameter of the locking shaft 2231, the locking block 2233 is located at one side of the stop ring 2222 away from the main module 221, when the lower mold core 22 is in a normal state, the return spring 2232 is in a compressed state or just relaxed state, the elastic force of the return spring 2232 pushes the main module 221 and the sub-modules 222 away from each other, so that there is a certain gap between the main module and the block shaft 2232, the secondary module 222 is not ejected by the return spring 2232, and when the side wall of the secondary module 222 is pressed by external force, the secondary module 222 can be close to the main module 221, so that they are tightly connected to each other; in this embodiment, one end of the return spring 2232 abuts against the main module 221, and the other end of the return spring 2232 actually abuts against the side wall of the baffle ring 2222 close to the main module 221, the through hole 2221 has a certain clamping function on the return spring 2232, so that the return spring 2232 is stable in operation, and the sub-module 222 can move relative to the clamping shaft 2231, so as to cooperate with the return spring 2232 to operate; in this embodiment, two elastic devices 223 are provided, and are respectively located at the left end and the right end of the lower mold core 22.

The clamping block 2233 is detachably connected with the clamping shaft 2231, and the elastic device 223 is convenient to disassemble and assemble due to the detachable connection; in this embodiment, the positioning block 2233 is a nut, and is connected to two ends of the positioning shaft 2231 by threads.

The lower die carrier 30 is provided with a lower clamping groove 31 matched with the lower die core 22, at least one inner side wall of the lower clamping groove 31 inclines towards the middle of the bottom of the groove, the side wall of the lower die core 22 is matched with the lower clamping groove 31, when the lower die core 22 is placed into the lower clamping groove 31, due to the structure of the inclined surface, the secondary module 222 is subjected to extrusion force of the inner wall of the lower clamping groove 31 and is matched with the elastic device 223, so that the main module 221 is tightly connected with the secondary module 222, at the moment, the lower die core 22 is just matched with the lower clamping groove 31, and when the lower die core 22 is taken out of the lower clamping groove 31, a certain gap is automatically generated between the main module 221 and the secondary module 222 due to the action of the reset spring 2232; in this embodiment, the inclined surface of the lower retaining groove 31 is the inner wall of the rear side thereof, and the injection port 11 is partially located on the front side wall of the lower retaining groove 31.

A convex plate 32 is arranged on the inner wall of the lower clamping groove 31, a clamping groove 2223 matched with the convex plate 32 is arranged on the side wall of the lower mold core 22, and the convex plate 32 is clamped with the clamping groove 2223, so that the lower mold core 22 is clamped in the lower clamping groove 31; in this embodiment, the protruding plate 32 is located in the middle of the inclined inner wall of the lower retaining groove 31, and the retaining groove 2223 is located on the side wall of the sub-module 222 corresponding thereto.

The two sides of the lower mold core 22 are provided with side lugs 226, the side wall of the lower clamping groove 31 is provided with an opening 33 matched with the side lugs 226, the side lugs 226 are positioned at the two sides of the lower mold frame 30, and the side lugs 226 can be used as a handle, so that the lower mold core 22 can be conveniently taken out of and put into the lower clamping groove 31; in this embodiment, the side ears 226 are connected to the main module 221 by bolts.

The lower mold core 22 is provided with a plug pin 227, the plug pin 227 transversely penetrates through the lower mold core 22 and is respectively matched with the main module 221 and the secondary modules 222 on two sides of the main module 221, the plug pin 227 plays a certain positioning role for the main module 221 and the secondary modules 222, but the plug pin 227 cannot influence the movement of the secondary modules 222 relative to the main module 221; in this embodiment, two pins 227 are provided, and are respectively located at one side of the elastic device 223.

The upper die frame 10 is provided with an upper clamping groove 12 matched with the upper die core 21, the upper clamping groove 12 has a clamping effect on the upper die core 21, the upper die frame 10 is matched with the lower die frame 30, so that the upper die core 21 and the lower die core 22 are stably connected, and in the embodiment, the injection molding opening 11 is partially positioned on the front side wall of the upper clamping groove 12.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. The button cell injection mold is characterized by comprising an upper mold frame (10), a mold core (20) and a lower mold frame (30), wherein the mold core (20) comprises an upper mold core (21) and a lower mold core (22) which are respectively matched with the upper mold frame (10) and the lower mold frame (30), the lower mold core (22) comprises a main module (221), a secondary module (222) and an elastic device (223), the secondary modules (222) are respectively positioned at two ends of the main module (221), the elastic device (223) connects the main module (221) and the secondary modules (222) and enables the main module and the secondary modules to be combined into a plurality of accommodating grooves (224) for accommodating products needing injection molding, the elastic device (223) is used for enabling the main module (221) and the secondary modules (222) to be tightly connected when the lower mold core (22) is positioned in the lower mold frame (30), and enabling a gap to be reserved between the main module (221) and the secondary modules (222) when the lower mold core (22) is taken out of the lower mold frame (30), go up die carrier (10) and die carrier (30) zonulae occludens down and the lateral wall of its junction is provided with one and moulds plastics mouth (11), it all communicates with each holding tank (224) to mould plastics mouth (11).

2. The button cell injection mold according to claim 1, wherein a plurality of sealing blocks (211) are arranged on the upper mold core (21), a plurality of insulating blocks (225) are arranged on the lower mold core (22), the accommodating grooves (224) are arranged on the insulating blocks (225), and the sealing blocks (211) are used for closing the accommodating grooves (224) with upward openings.

3. The button cell injection mold according to claim 1, characterized in that the injection port (11) is communicated with each accommodating groove (224) by arranging a flow channel (212), the lower end surface of the upper mold core (21) and the upper end surface of the lower mold core (22) are respectively provided with a flow channel (212), and the two flow channels (212) are matched with each other to form a channel for communicating the injection port (11) with each accommodating groove (224).

4. Button cell injection mold according to claim 1, characterized in that the elastic means (223) comprises a retention shaft (2231) and a return spring (2232), the clamping shaft (2231) respectively penetrates through the main module (221) and the secondary modules (222) at the two sides of the main module, the middle part of the clamping shaft (2231) is matched with the main module (221), the return springs (2232) are positioned at the two ends of the clamping shaft (2231), one end of the return spring (2232) is abutted against the side wall of the main module (221), the other end is abutted against the side wall of the secondary module (222), the two ends of the clamping shaft (2231) are provided with clamping blocks (2233), the side wall of the secondary module (222) is provided with a through hole (2221), a baffle ring (2222) is arranged on the inner wall of the through hole (2221), the inner diameter of the baffle ring (2222) is matched with the diameter of the clamping shaft (2231), the clamping block (2233) is positioned on one side of the retaining ring (2222) away from the main module (221).

5. The button cell injection mold according to claim 4, characterized in that the position block (2233) is detachably connected with the position shaft (2231).

6. The button cell injection mold according to claim 1, characterized in that the lower mold frame (30) is provided with a lower retaining groove (31) adapted to the lower mold core (22), at least one inner sidewall of the lower retaining groove (31) is inclined toward the middle of the bottom of the groove, and the sidewall of the lower mold core (22) is adapted to the lower retaining groove (31).

7. The button cell injection mold according to claim 6, characterized in that the inner wall of the lower retaining groove (31) is provided with a protruding plate (32), and the side wall of the lower mold core (22) is provided with a slot (2223) matched with the protruding plate (32).

8. Button cell injection mold according to claim 6, characterized in that the lower mold core (22) is provided with side lugs (226) on both sides, the side walls of the lower retaining groove (31) are provided with openings (33) adapted to the side lugs (226), and the side lugs (226) are located on both sides of the lower mold frame (30).

9. The button cell injection mold according to claim 1, characterized in that the lower mold core (22) is provided with a plug pin (227), and the plug pin (227) transversely penetrates through the lower mold core (22) and is respectively matched with the main module (221) and the secondary modules (222) at two sides thereof.

10. The button cell injection mold according to claim 1, characterized in that the upper mold frame (10) is provided with an upper clamping groove (12) adapted to the upper mold core (21).