CN220562105U

CN220562105U - Ejection structure for injection molding of lithium battery plastic shell

Info

Publication number: CN220562105U
Application number: CN202322240405.XU
Authority: CN
Inventors: 朴在焕; 栾宽平
Original assignee: Weihai Yiren Electronics Co ltd
Current assignee: Weihai Yiren Electronics Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-08
Anticipated expiration: 2033-08-21

Abstract

The utility model belongs to the technical field of lithium battery plastic shell production, and particularly relates to an ejection structure for lithium battery plastic shell injection molding, which comprises a main body, wherein an ejection demoulding assembly is arranged above the main body and comprises a hollow column, the lower surface of the hollow column is fixedly connected with the upper surface of the main body, a chute is formed in the inner surface of the hollow column, a movable ring is movably connected with the inner surface of the hollow column, a bevel gear is fixedly connected with the inner surface of the bevel gear, a screw rod is movably connected with the outer surface of the screw rod, a sliding block is fixedly connected with the outer surface of the screw rod, the side surface of the sliding block is movably connected with the chute, the upper end of the screw rod is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with two fixing rods, and the upper ends of the two fixing rods are fixedly connected with ejector blocks. The utility model can make the bottom of the injection molding more evenly stressed, avoid the damage of the injection molding caused by uneven stress when the injection molding is jacked, improve the product quality and improve the working efficiency.

Description

Ejection structure for injection molding of lithium battery plastic shell

Technical Field

The utility model belongs to the technical field of lithium battery plastic shell production, and particularly relates to an ejection structure for injection molding of a lithium battery plastic shell.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a processing method used in mass production of parts with complex shapes, and specifically refers to injecting heated and melted plastic into a mold cavity by an injection molding machine under high pressure, cooling and solidifying to obtain a formed product, and when the injection mold is demolded after injection molding is completed, an ejection mechanism is usually required to eject the injection molded product for convenient removal.

The lithium battery plastic housing is formed by injection molding through an injection mold, in the prior art, after injection molding, the injection molding is ejected by adopting a mode that the center of the ejection mechanism is singly ejected upwards, when adhesion is generated between the mold and the injection molding, the central position of the bottom of the injection molding is easily stressed too much due to the ejection of the ejection mechanism, so that the bottom of the injection molding is stressed unevenly, the injection molding is damaged, the product quality is influenced, and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide an ejection structure for injection molding of a lithium battery plastic shell, which can enable the bottom of an injection molding part to be stressed more uniformly, improves the product quality and improves the working efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lithium cell plastic housing is ejecting structure for injection molding, which comprises a main body, ejecting drawing of patterns subassembly is installed to the top of main part, ejecting drawing of patterns subassembly includes the hollow post, the lower surface of hollow post and the upper surface fixed connection of main part, the spout has been seted up to the internal surface of hollow post, the internal surface swing joint of hollow post has the expansion ring, the internal surface fixedly connected with bevel gear of expansion ring, the internal surface swing joint of bevel gear has the screw rod, the surface fixedly connected with slider of screw rod, the side surface of slider and the internal surface swing joint of spout, the upper end fixedly connected with fixed plate of screw rod, the upper surface fixedly connected with dead lever of fixed plate, the quantity of dead lever is two, two the equal fixedly connected with kicking block of upper end of dead lever.

Optionally, the upper surface of main part fixed connection support, the upper surface fixedly connected with motor of support, the output shaft surface fixedly connected with worm wheel of motor.

Optionally, the upper surface fixedly connected with backup pad of main part, the quantity of backup pad is two, two the inside swing joint of backup pad has the worm, worm and worm wheel intermeshing, the left end of worm passes the inside of backup pad and extends to the left side of backup pad, the one end surface fixedly connected with helical gear that the worm is located the backup pad left side, helical gear and bevel gear intermeshing.

Optionally, the upper surface fixedly connected with support column of main part, the upper end fixedly connected with workstation of support column, the through-hole has been seted up to the upper surface of workstation, the quantity of through-hole is two, two the internal surface of through-hole respectively with the surface swing joint of two dead levers.

Optionally, the upper surface mounting of workstation has the lower mould, logical groove has been seted up to the interior bottom surface of lower mould, the quantity of logical groove is two the interior surface in logical groove respectively with the surface swing joint of two kicking blocks.

Optionally, the upper surface fixedly connected with guide pillar of workstation, the quantity of guide pillar is two, the surface swing joint of guide pillar has the connecting plate, the lower surface mounting of connecting plate has the mould.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is provided with the hollow column, the bevel gear and the screw, when the bevel gear is driven to rotate, the screw which is movably connected with the bevel gear is driven to move, and because of the limitation of the sliding block and the sliding groove, the screw can only move up and down, so that the ejector block is lifted to eject the injection molding piece, thereby demoulding.

2. The utility model is provided with the worm wheel, the worm and the bevel gear, when the motor is started, the worm wheel on the output shaft is driven to rotate, the worm meshed with the worm wheel is driven to rotate, the bevel gear is driven to rotate, the screw is driven to rise, the injection molding piece is jacked, the demolding is completed, and the efficiency of providing power for the screw can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a first view angle according to the present utility model;

FIG. 2 is a schematic view of the overall structure of a second view angle according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

fig. 4 is an enlarged view of a partial structure of the hollow column of the present utility model.

In the figure: 1. a main body; 2. ejecting the demolding assembly; 201. a hollow column; 202. a chute; 203. a movable ring; 204. a bevel gear; 205. a screw; 206. a slide block; 207. a fixing plate; 208. a fixed rod; 209. a top block; 3. a bracket; 4. a motor; 5. a worm wheel; 6. a support plate; 7. a worm; 8. bevel gear; 9. a support column; 10. a work table; 11. a through hole; 12. a lower die; 13. a through groove; 14. a guide post; 15. a connecting plate; 16. and (5) upper die.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The ejection structure for injection molding of the plastic shell of the lithium battery provided by the embodiment of the utility model is described. Referring to fig. 1 to 4, an ejection structure for injection molding of a plastic shell of a lithium battery comprises a main body 1, wherein an ejection demolding assembly 2 is arranged above the main body 1, and the bottom of an injection molding piece can be uniformly stressed during demolding through the ejection demolding assembly 2, so that damage is avoided; the ejection demoulding assembly 2 comprises a hollow column 201, the lower surface of the hollow column 201 is fixedly connected with the upper surface of the main body 1, the hollow column 201 can accommodate a screw 205, the screw 205 is convenient to lift inside the hollow column 201, a sliding groove 202 is formed in the inner surface of the hollow column 201, the screw 205 can be limited to rotate through the sliding groove 202, a movable ring 203 is movably connected to the inner surface of the hollow column 201, a bevel gear 204 is fixedly connected to the inner surface of the movable ring 203, the bevel gear 204 can be limited to move up and down through the movable ring 203, a screw 205 is movably connected to the inner surface of the bevel gear 204, the bevel gear 204 rotates to drive the screw 205 to lift, and the ejection of an injection molding piece can be completed through the up-and-down movement of the screw 205, so that demoulding is carried out; the surface fixedly connected with slider 206 of screw rod 205, the side surface of slider 206 and the internal surface swing joint of spout 202 restrict screw rod 205 through slider 206 and spout 202, make screw rod 205 only can carry out the up-and-down motion, the upper end fixedly connected with fixed plate 207 of screw rod 205 can support dead lever 208 through fixed plate 207, the upper surface fixedly connected with dead lever 208 of fixed plate 207, the quantity of dead lever 208 is two, the equal fixedly connected with kicking block 209 of upper end of two dead levers 208, the dead lever 208 drives kicking block 209 up-and-down motion when screw rod 205 reciprocates, carry out the top to the injection molding, can carry out the top to the injection molding through kicking block 209, thereby accomplish the drawing of patterns of injection molding.

The upper surface of the main body 1 is fixedly connected with a bracket 3, the upper surface of the bracket 3 is fixedly connected with a motor 4, the motor 4 can be supported through the bracket 3, the outer surface of an output shaft of the motor 4 is fixedly connected with a worm wheel 5, the rotation of the worm wheel 5 is controlled through the motor 4, so that the worm 7 is controlled to rotate, and the power of the motor 4 can be transmitted to the worm 7 through the worm wheel 5; the upper surface fixedly connected with backup pad 6 of main part 1, the quantity of backup pad 6 is two, the inside swing joint of two backup pads 6 has worm 7, can provide the support for worm 7 through backup pad 6, worm 7 and worm wheel 5 intermesh, can give bevel gear 204 with the power transmission of motor 4 through worm wheel 5 and worm 7, thereby make the screw rod 205 up-and-down motion, the left end of worm 7 passes the inside extension of backup pad 6 to the left side of backup pad 6, the one end surface fixedly connected with helical gear 8 that worm 7 is located backup pad 6 left side, helical gear 8 and bevel gear 204 intermesh, can give bevel gear 204 with the power transmission when worm 7 is rotatory through helical gear 8.

The upper surface fixedly connected with support column 9 of main part 1, the upper end fixedly connected with workstation 10 of support column 9, support column 9 can provide the support for workstation 10, can bear lower mould 12 through workstation 10, through-hole 11 has been seted up to the upper surface of workstation 10, the quantity of through-hole 11 is two, the internal surface of two through-holes 11 respectively with the surface swing joint of two dead levers 208, can make dead lever 208 pass workstation 10 through-hole 11, be convenient for carry out the top to the injection molding, the upper surface mounting of workstation 10 has lower mould 12, logical groove 13 has been seted up to the interior bottom surface of lower mould 12, the quantity of logical groove 13 is two, the internal surface of two logical grooves 13 respectively with the surface swing joint of two kicking blocks 209, can make the kicking block 209 pass lower mould 12 through logical groove 13, the rising top of the kicking block 209 moves the injection molding of being convenient for.

The upper surface of the workbench 10 is fixedly connected with guide posts 14, the number of the guide posts 14 is two, the positions of the upper dies 16 can be limited through the guide posts 14, dislocation between the upper dies 16 and the lower dies 12 is avoided, the outer surface of the guide posts 14 is movably connected with a connecting plate 15, the lower surface of the connecting plate 15 is provided with the upper dies 16, and the upper dies 16 can be driven to lift through the connecting plate 15.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a lithium cell plastic casing is ejecting structure for injection molding, includes main part (1), its characterized in that: the top of main part (1) is installed ejecting drawing of patterns subassembly (2), ejecting drawing of patterns subassembly (2) include hollow post (201), the lower surface of hollow post (201) and the upper surface fixed connection of main part (1), spout (202) have been seted up to the internal surface of hollow post (201), the internal surface swing joint of hollow post (201) has expansion ring (203), the internal surface fixedly connected with bevel gear (204) of expansion ring (203), the internal surface swing joint of bevel gear (204) has screw rod (205), the surface fixedly connected with slider (206) of screw rod (205), the internal surface swing joint of side surface and spout (202) of slider (206), the upper end fixedly connected with fixed plate (207) of screw rod (205), the upper surface fixedly connected with dead lever (208) of fixed plate (207), the quantity of dead lever (208) is two, two the upper end of dead lever (208) all fixedly connected with kicking block (209).

2. The ejection structure for injection molding of a plastic housing of a lithium battery according to claim 1, wherein: the upper surface of main part (1) fixed connection support (3), the upper surface fixedly connected with motor (4) of support (3), the output shaft surface fixedly connected with worm wheel (5) of motor (4).

3. The ejection structure for injection molding of a plastic housing of a lithium battery according to claim 2, wherein: the utility model discloses a bevel gear (204) of main part (1), including main part (1) upper surface fixedly connected with backup pad (6), the quantity of backup pad (6) is two, two inside swing joint of backup pad (6) has worm (7), worm (7) and worm wheel (5) intermeshing, the left end of worm (7) passes the inside of backup pad (6) and extends to the left side of backup pad (6), worm (7) are located backup pad (6) left one end surface fixedly connected with bevel gear (8), bevel gear (8) and bevel gear (204) intermeshing.

4. The ejection structure for injection molding of a plastic housing of a lithium battery according to claim 1, wherein: the upper surface fixedly connected with support column (9) of main part (1), the upper end fixedly connected with workstation (10) of support column (9), through-hole (11) have been seted up to the upper surface of workstation (10), the quantity of through-hole (11) is two, two the internal surface of through-hole (11) respectively with the surface swing joint of two dead levers (208).

5. The ejection structure for injection molding of a plastic housing of a lithium battery according to claim 4, wherein: the upper surface of workstation (10) is installed lower mould (12), logical groove (13) have been seted up to the interior bottom surface of lower mould (12), the quantity of logical groove (13) is two, two the interior surface of logical groove (13) respectively with the surface swing joint of two kicking blocks (209).

6. The ejection structure for injection molding of a plastic housing of a lithium battery according to claim 4, wherein: the upper surface of workstation (10) is fixedly connected with guide pillar (14), the quantity of guide pillar (14) is two, the surface swing joint of guide pillar (14) has connecting plate (15), the lower surface mounting of connecting plate (15) has last mould (16).