CN210283055U

CN210283055U - Long-life battery cover injection mold

Info

Publication number: CN210283055U
Application number: CN201920942763.6U
Authority: CN
Inventors: 毕新书
Original assignee: Suzhou Changlong Mould Technology Co Ltd
Current assignee: Suzhou Changlong Mould Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-10
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a long-life battery cover injection mold, including upper die base and die holder, the lower terminal surface fixed mounting of upper die base has the mould, the up end fixed mounting of die holder has the bed die, the die cavity has been seted up between upper die base and the die holder, the avris position fixed mounting of terminal surface has the guide post under the upper die base, the inside movable mounting of cavity has the fly leaf, and the lower extreme fixed mounting of fly leaf has the rubber pad, the lower extreme fixed mounting of movable block has compression spring. This long-life battery cover injection mold leads the removal of upper die base through the guide post and the guide holder that set up, and the outside demountable installation of guide post has the protective sheath, has avoided the guide post to receive the friction through the protective sheath, prolongs its life, has changed finished product ejection of compact mode in the past simultaneously, utilizes guide post and compression spring to drive the fly leaf from top to bottom to ejecting finished product injection molding, simplify the structure of mould, convenient to use.

Description

Long-life battery cover injection mold

Technical Field

The utility model relates to the technical field of mold, specifically a long-life battery cover injection mold.

Background

A die is a tool that forms a blank into an article having a particular shape and size under the action of an external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

The cover plate of the battery cover battery is formed by injection molding through a mold, so that the existing battery cover mold is greatly abraded in the processing process, the mold cannot be used continuously for a long time, and the service life of the mold is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-life battery cover injection mold to it is great to solve the wearing and tearing that the mould received of proposing in the above-mentioned background art, has reduced mould life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the long-life battery cover injection mold comprises an upper mold base and a lower mold base, wherein an upper mold is fixedly mounted on the lower end face of the upper mold base, a lower mold is fixedly mounted on the upper end face of the lower mold base, a mold cavity is formed between the upper mold base and the lower mold base, a through hole is formed in the lower end of the mold cavity, a guide post is fixedly mounted at the side position of the lower end face of the upper mold base, a fixing hole is formed in the lower end of the guide post, a protective sleeve is fixedly mounted on the outer side of the guide post and penetrates through the fixing hole through a bolt to be fixedly mounted on the outer side of the guide post, a guide seat is fixedly mounted on the side of the lower mold, a cavity is formed in the lower mold, a sliding groove is formed in the side of the lower mold, a rubber block is fixedly mounted on the upper end and the lower, and the lower extreme fixed mounting of fly leaf has the rubber pad, the upper end fixed mounting of fly leaf has the thimble, and the avris of fly leaf is connected with the one end of slide bar, the other end of slide bar passes spout fixed mounting and has the movable block, the lower extreme fixed mounting of movable block has compression spring.

Preferably, the guide posts and the upper die holder are of an integrated structure, and the two guide posts are symmetrically arranged on the left side and the right side of the upper die.

Preferably, the guide seat and the guide post are on the same vertical line, a guide hole penetrates through the guide seat, the inner diameter of the guide hole is the same as the diameter of the protective sleeve on the outer side of the guide post, and lubricating oil is smeared on the outer side of the protective sleeve and the inner side of the guide hole.

Preferably, the movable plate is located right below the mold cavity, and the through holes at the bottom end of the mold cavity correspond to the ejector pins at the upper end of the movable plate one to one.

Preferably, the movable block is located under the guide seat, the movable block, the sliding rod and the movable plate are of an integrated structure, and the movable block is attached to and connected with the outer side of the lower die.

Preferably, the width of the sliding rod is the same as that of the sliding groove, and the sliding rods are symmetrically arranged on the left side and the right side of the movable plate.

Compared with the prior art, the beneficial effects of the utility model are that: the long-life battery cover injection mold guides the movement of the upper mold base through the arranged guide post and the guide seat, the outer side of the guide post is detachably provided with the protective sleeve, the guide post is prevented from being rubbed by the protective sleeve, the service life of the guide post is prolonged, and under the condition that the guide post and the guide seat are not abraded, the die cavities in the upper die and the lower die are positioned more accurately, the quality of injection molding pieces is improved, components in the upper die and the lower die cannot deviate, the vibration of the movable plate can be reduced by the compression spring, and the lubricating oil is smeared on the outer side of the protective sleeve and the inner side of the guide hole on the guide seat, so that the service life of the protective sleeve is shortened, meanwhile, the former finished product discharging mode is changed, the guide column and the compression spring are utilized to drive the movable plate to move up and down, so that the finished product injection molding piece is ejected, the structure of the mold is simplified, and the use is convenient.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic diagram of the separation structure of the upper mold and the lower mold of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the lower mold of the present invention;

fig. 5 is a schematic top view of the chamber of the present invention;

fig. 6 is a schematic view of the installation structure of the protective sheath of the present invention.

In the figure: 1. an upper die holder; 2. an upper die; 3. a lower die holder; 4. a lower die; 5. a mold cavity; 6. a guide post; 7. a fixing hole; 8. a protective sleeve; 9. a bolt; 10. a guide seat; 11. a chamber; 12. a chute; 13. a rubber block; 14. a movable plate; 15. a rubber pad; 16. a thimble; 17. a slide bar; 18. a movable block; 19. a compression spring; 20. and a through hole.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a long-life battery cover injection mold comprises an upper mold base 1, an upper mold 2, a lower mold base 3, a lower mold 4, a mold cavity 5, guide posts 6, a fixing hole 7, a protective sleeve 8, a bolt 9, a guide seat 10, a cavity 11, a chute 12, a rubber block 13, a movable plate 14, a rubber pad 15, an ejector pin 16, a slide rod 17, a movable block 18, a compression spring 19 and a through hole 20, wherein the upper mold 2 is fixedly arranged on the lower end face of the upper mold base 1, the lower mold 4 is fixedly arranged on the upper end face of the lower mold base 3, the mold cavity 5 is arranged between the upper mold base 1 and the lower mold base 3, the through hole 20 is arranged at the lower end of the mold cavity 5, the guide posts 6 are fixedly arranged at the lateral side of the lower end face of the upper mold base 1, the fixing hole 7 is arranged at the lower end of the guide posts 6, the protective sleeve 8 is fixedly arranged on, the avris fixed mounting of bed die 4 has guide holder 10, and cavity 11 has been seted up to the inside of bed die 4, spout 12 has been seted up to the avris of bed die 4, and the inside upper and lower fixed mounting of spout 12 has rubber block 13, and spout 12 is located the guide holder 10 position directly under, the inside movable mounting of cavity 11 has fly leaf 14, and the lower extreme fixed mounting of fly leaf 14 has rubber pad 15, the upper end fixed mounting of fly leaf 14 has thimble 16, and the avris of fly leaf 14 is connected with the one end of slide bar 17, the other end of slide bar 17 passes spout 12 fixed mounting has movable block 18, the lower extreme fixed mounting of movable block 18 has compression spring 19.

Further, guide post 6 and upper die base 1 are integrated into one piece, and guide post 6 is provided with two in the left and right sides symmetry of upper die 2, leads through guide post 6 to the removal of upper die base 1, prevents that upper die base 1 from moving the in-process, and the deviation appears in the position.

Furthermore, the guide seat 10 and the guide post 6 are on the same vertical line, and a guide hole is penetrated through the guide seat 10, the inner diameter of the guide hole is the same as the diameter of the protective sleeve 8 at the outer side of the guide post 6, meanwhile, lubricating oil is coated on the outer side of the protective sleeve 8 and the inner side of the guide hole, so that the friction on the protective sleeve 8 is further reduced, the guide column 6 and the guide seat 10 work in a matching way, the guide post 6 is prevented from being rubbed by the protective sleeve 8 on the outer side of the guide post 6, the service life of the guide post is prolonged, and the protective sleeve 8 is of a detachable structure, when the protective sleeve 8 is worn to a certain extent, the worker can replace the protective sleeve, and the guide post 6 and the guide seat 10 are not worn, the die cavity 5 inside the upper die 2 and the lower die 4 is positioned more accurately, the quality of the injection molding part is improved, the parts inside the upper die 2 and the lower die 4 cannot deviate, and the vibration of the movable plate 14 can be reduced through the compression spring 19.

Further, the movable plate 14 is located right below the mold cavity 5, and the through holes 20 at the bottom end of the mold cavity 5 correspond to the ejector pins 16 at the upper end of the movable plate 14 in position one by one, so that the molded product is ejected through the ejector pins 16 at the upper end of the movable plate 14.

Further, the movable block 18 is located right below the guide seat 10, the movable block 18, the sliding rod 17 and the movable plate 14 are of an integrated structure, and meanwhile, the movable block 18 is attached to the outer side of the lower mold 4, during the injection molding process, the upper mold base 1 moves downwards, the guide post 6 at the lower end of the upper mold base 1 contacts with the movable block 18 and presses the movable block 18 downwards, the movable block 18 also moves downwards so as to drive the movable plate 14 to move downwards, the ejector pin 16 at the upper end of the movable plate 14 exits from the mold cavity 5, after the injection molding is completed, the upper mold base 1 moves upwards, the movable block 18 moves upwards under the action of the compression spring 19 so as to drive the movable plate 14 to move upwards, the ejector pin 16 at the upper end of the movable plate 14 moves into the mold cavity 5, and finished injection molded parts.

Further, the width of the sliding rod 17 is the same as the width of the sliding groove 12, the sliding rods 17 are symmetrically arranged on the left side and the right side of the movable plate 14, the movement of the movable block 18 is limited through the sliding rods 17, and meanwhile, the length of the sliding groove 12 is the stroke of the sliding rod 17.

The working principle is as follows: firstly, an upper die holder 1 and a lower die holder 3 are fixedly installed on an injection molding machine, in the injection molding process, the upper die holder 1 moves downwards, a guide post 6 at the lower end of the upper die holder 1 is contacted with a movable block 18, the movable block 18 is pressed downwards, the movable block 18 also moves downwards so as to drive a movable plate 14 to move downwards, a thimble 16 at the upper end of the movable plate 14 exits from a die cavity 5, then the injection molding machine starts to inject molten plastic into the die cavity 5, after the injection molding is completed, the upper die holder 1 moves upwards, the movable block 18 moves upwards under the action of a compression spring 19 so as to drive the movable plate 14 to move upwards, the thimble 16 at the upper end of the movable plate 14 moves into the die cavity 5 so as to eject a finished injection molding piece, the injection molding is completed, wherein lubricating oil is coated on the outer side of a protective sleeve 8 and the inner side of a guide hole, the friction on the protective sleeve 8 is reduced, the guide post 6 and the, prolong its life, and protective sheath 8 is detachable construction, when protective sheath 8 receives certain wearing and tearing, the staff can change, guide post 6 and guide holder 10 are under the condition that does not receive wearing and tearing, it is more accurate to go up the inside die cavity 5 location of mould 2 and bed die 4, promote the injection molding quality, it can not take place the skew yet to go up the inside part of mould 2 and bed die 4, the friction is reduced, the service life is prolonged, and can reduce the vibration that fly leaf 14 received through compression spring 19, and convenient to use.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a long-life battery cover injection mold, includes upper die base (1) and die holder (3), its characterized in that: the lower end face of the upper die base (1) is fixedly provided with an upper die (2), the upper end face of the lower die base (3) is fixedly provided with a lower die (4), a die cavity (5) is formed between the upper die base (1) and the lower die base (3), the lower end of the die cavity (5) is provided with a through hole (20), the lateral side of the lower end face of the upper die base (1) is fixedly provided with a guide post (6), the lower end of the guide post (6) is provided with a fixing hole (7), the outer side of the guide post (6) is fixedly provided with a protective sleeve (8), the protective sleeve (8) passes through the fixing hole (7) through a bolt (9) and is fixedly arranged on the outer side of the guide post (6), the lateral side of the lower die (4) is fixedly provided with a guide seat (10), the inner part of the lower die (4) is provided with a cavity (11), the lateral side, and inside upper and lower end fixed mounting of spout (12) has block rubber (13) to spout (12) are located guide holder (10) under the position, the inside movable mounting of cavity (11) has fly leaf (14), and the lower extreme fixed mounting of fly leaf (14) has rubber pad (15), the upper end fixed mounting of fly leaf (14) has thimble (16), and the avris of fly leaf (14) is connected with the one end of slide bar (17), the other end of slide bar (17) passes spout (12) fixed mounting has movable block (18), the lower extreme fixed mounting of movable block (18) has compression spring (19).

2. The long life battery cover injection mold of claim 1, wherein: the guide posts (6) and the upper die base (1) are of an integrated structure, and the two guide posts (6) are symmetrically arranged on the left side and the right side of the upper die (2).

3. The long life battery cover injection mold of claim 1, wherein: guide holder (10) and guide post (6) are on same vertical line, and run through on guide holder (10) and have the guiding hole, and the internal diameter of guiding hole is the same with protective sheath (8) diameter in the guide post (6) outside, and the outside of protective sheath (8) has paintd lubricating oil with the inboard of guiding hole simultaneously.

4. The long life battery cover injection mold of claim 1, wherein: the movable plate (14) is positioned right below the die cavity (5), and the through holes (20) at the bottom end of the die cavity (5) correspond to the ejector pins (16) at the upper end of the movable plate (14) in position one by one.

5. The long life battery cover injection mold of claim 1, wherein: the movable block (18) is located right below the guide seat (10), the movable block (18), the sliding rod (17) and the movable plate (14) are of an integrated structure, and meanwhile the movable block (18) is attached to and connected with the outer side of the lower die (4).

6. The long life battery cover injection mold of claim 1, wherein: the width of the sliding rod (17) is the same as that of the sliding groove (12), and the sliding rod (17) is symmetrically arranged on the left side and the right side of the movable plate (14).