CN218366154U

CN218366154U - Calculator cover box packing shaping injection mold

Info

Publication number: CN218366154U
Application number: CN202221521914.9U
Authority: CN
Inventors: 李滨; 李萍; 李娟�
Original assignee: Putian Xinhuafeng Electronic Plastic Co ltd
Current assignee: Putian Xinhuafeng Electronic Plastic Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-01-24
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a calculator cover box packing forming injection mold, wherein, calculator cover box packing forming injection mold, including bed die and last mould, the middle part of the downside of going up the mould includes the centre form, the downside of going up the mould just is located the equal fixedly connected with depression bar in four corners department: the upper side wall of the lower die is provided with a cavity, the lower die is of a hollow structure, sliding grooves are formed in four corners of the lower die, sliding plates are connected in the sliding grooves in a sliding mode, the other ends of the sliding plates extend to the inner side of the hollow structure of the lower die, ejector rods are fixedly connected to the upper side faces of the end portions of the sliding plates, and the ejector rods penetrate through the upper side wall of the lower die at the position of the cavity. The lower die and the upper die are separated to drive the pressure rod to move upwards, so that the pressure of the pressure rod on the sliding plate is reduced, the second spring can push the sliding plate to move upwards, and the sliding plate drives the ejector rod to eject out the lower shell of the calculator packaging box after injection molding.

Description

Calculator cover box packing shaping injection mold

Technical Field

The utility model relates to a calculator cover box technical field, in particular to calculator cover box packing shaping injection mold.

Background

The calculator is a machine which is invented by modern people and can carry out digital operation, and a calculator packaging box set produced by our company is a packaging structure generated by an injection molding process, and manual demolding is needed after injection molding is finished, so that the problems are very troublesome, and the problems are needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide calculator cover box and pack into the shaping injection mold, through the bed die with go up the mould after-separating drive the depression bar and shift up for the depression bar reduces the pressure of sliding plate, and then the second spring can promote the sliding plate and shift up, and then the sliding plate drives the ejector pin and will mould plastics the calculator packing cover box inferior valve of completion ejecting.

The utility model discloses still provide and have above-mentioned calculator cover box and pack forming injection mold, calculator cover box packs forming injection mold, including bed die and last mould, the middle part of the downside of going up the mould includes the centre form, the downside of going up the mould just is located the equal fixedly connected with depression bar in four corners department:

the upper side wall of the lower die is provided with a cavity, the lower die is of a hollow structure, sliding grooves are formed in four corners of the lower die, sliding plates are connected in the sliding grooves in a sliding mode, the other end of each sliding plate extends to the inner side of the hollow structure of the lower die, ejector rods are fixedly connected to the upper side faces of the end portions of the sliding plates, the ejector rods penetrate through the cavity from the upper side wall of the lower die, four second springs are fixedly connected to the inner bottom face of the hollow structure of the lower die, and the upper ends of the second springs are fixedly connected to the middle of the lower side face of each sliding plate;

through holes are formed in the four corners of the lower die and above the sliding grooves, and the lower ends of the ejector rods penetrate into the through holes.

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, the downside fixedly connected with of bed die links the board down, the last side fixedly connected with of going up the mould links the board on.

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, go up four urceolus and first spring of side fixedly connected with on the board even, the outside of urceolus is located to first spring housing, and all is located the four corners department of bed die.

According to the utility model discloses a first aspect provides calculator cover box packing shaping injection mold, go up four guide bars of downside fixedly connected with of even board, four the guide bar is located the four corners department of mould, four respectively the lateral surface of guide bar just is located even board equidistance department fixedly connected with limiting plate. The limiting plate can limit the downward movement of the upper die.

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, the one end of even board under keeping away from is kept away from to the first spring of downside fixed connection of limiting plate. The limiting plate is pushed to enable the guide rod to move upwards after the first spring is compressed and reset.

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, the depression bar one end in the through-hole pushes up the side of going up of the part of sliding plate in the spout. The pressing rod can push the sliding plate to move downwards conveniently, and convenience is provided for the second spring to push the sliding plate to move upwards so as to push the pressing rod to move upwards.

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, link the board down and the left and right sides of last even board all is provided with two connecting holes. Can be connected with the existing injection molding equipment through the corresponding connecting holes of the lower connecting plate and the upper connecting plate

According to the utility model discloses an aspect provides calculator cover box packing shaping injection mold, it is located the bed die directly over to go up the mould, and the position of centre form and cavity corresponds from top to bottom.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a front view of an injection mold for packing and molding a calculator kit according to the present invention;

FIG. 2 is a bottom view of the upper mold of the injection mold for packing and forming the calculator box set of the present invention;

FIG. 3 is a top view of the lower mold of the injection mold for packing and molding the calculator sleeve box of the present invention;

FIG. 4 is a cross-sectional view of the lower mold of the injection mold for packing and molding the calculator sleeve box of the present invention;

fig. 5 is a schematic view of the connection structure of the sliding plate and the ejector rod in the injection mold for packaging and forming the calculator box set of the present invention.

Illustration of the drawings:

1. a lower die; 2. an upper die; 3. a top rod; 4. a guide bar; 5. a limiting plate; 6. a first spring; 7. an outer cylinder; 8. a pressure lever; 9. a chute; 10. a sliding plate; 12. a second spring; 13. and a through hole.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1-5, an injection mold for packing a calculator box according to an embodiment of the present invention includes a lower mold 1 and an upper mold 2, the middle of the lower side of the upper mold 2 includes an inner mold, four corners of the lower side of the upper mold 2 are fixedly connected with a press rod 8, when the upper mold 2 moves downward, the press rod 8 is driven to move downward, the lower end of the through hole 13 presses a sliding plate 10 to move downward against the action of a second spring 12, the sliding plate 10 drives a top rod 3 to move downward, after the lower mold 1 contacts the upper mold 2, the upper end surface of the top rod 3 is flush with the inner bottom surface of the cavity, at this time, the lower side of a limiting plate 5 contacts with the upper side surface of an outer cylinder 7, the inner mold of the upper mold 2 extends into the inner cavity of the lower mold 1, and contactless, the space is the cavity of moulding plastics between centre form and the cavity, upward be provided with the feed inlet on the link board, go up the middle part position of mould 2 and centre form and link up the passageway of moulding plastics with the feed inlet intercommunication, after last mould 2 and lower mould 1 closed together, the raw materials of calculator packing box enters into the cavity of moulding plastics from the feed inlet to the route of the passageway of moulding plastics, what herein moulded plastics is the inferior valve of calculator packing box, after last mould 2 and lower mould 1 separate, depression bar 8 is to the pressure reduction of sliding plate 10, at this moment second spring 12 promotes sliding plate 10 upward movement, and then sliding plate 10 drives ejector pin 3 upward movement, the ejecting cavity of inferior valve that will mould plastics out, the means that here upper mould 2 and lower mould 1 are close to or keep away from is the same with prior art:

the upper side wall of the lower die 1 is provided with a cavity, the lower die 1 is of a hollow structure, sliding grooves 9 are formed in four corners of the lower die, sliding plates 10 are connected in the sliding grooves 9 in a sliding mode, the other ends of the sliding plates 10 extend to the inner side of the hollow structure of the lower die 1, ejector rods 3 are fixedly connected to the upper side faces of the end portions of the sliding plates, the ejector rods 3 penetrate through the upper side wall of the lower die 1 at the position of the cavity, four second springs 12 are fixedly connected to the inner bottom face of the hollow structure of the lower die 1 and used for pushing the sliding plates 10 to move upwards, and the upper ends of the second springs 12 are fixedly connected to the middle of the lower side face of the sliding plates 10;

through holes 13 are formed in the four corners of the lower die 1 and above the sliding grooves 9, and the lower end of the pressing rod 8 penetrates into the through holes 13.

Go up four guide bars 4 of downside fixedly connected with of company board, four guide bars 4 are located the four corners department of mould 2 respectively, and four guide bars 4's lateral surface just is located last company board equidistance department fixedly connected with limiting plate 5, and the one end of company board under keeping away from is kept away from to the first spring 6 of downside fixed connection of limiting plate 5.

Even board under the downside fixedly connected with of bed die 1, go up the side fixedly connected with of mould 2 and go up even board, even board and last even board's the left and right sides all are provided with two connecting holes down, go up even board four urceolus 7 of fixedly connected with in the side and first spring 6, the outside of urceolus 7 is located to first spring 6 cover, and all is located the four corners department of bed die 1.

One end of the pressure lever 8 in the through hole 13 is pressed against the upper side of the part of the sliding plate 10 in the sliding chute 9, so that the sliding plate 10 is pressed downwards.

The upper die 2 is positioned right above the lower die 1, and the positions of the inner die and the concave cavity correspond up and down, so that an injection molding cavity is formed conveniently.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Calculator cover box packing one-tenth molding injection mold, its characterized in that, including bed die (1) and last mould (2), the middle part of the downside of going up mould (2) includes the centre form, the downside of going up mould (2) just is located equal fixedly connected with depression bar (8) in four corners:

the upper side wall of the lower die (1) is provided with a cavity, the lower die (1) is of a hollow structure, sliding grooves (9) are formed in four corners of the lower die, sliding plates (10) are connected in the sliding grooves (9) in a sliding mode, the other ends of the sliding plates (10) extend to the inner side of the hollow structure of the lower die (1), ejector rods (3) are fixedly connected to the upper side faces of the end portions of the sliding plates, the ejector rods (3) penetrate through the upper side wall of the lower die (1) at the position of the cavity, four second springs (12) are fixedly connected to the inner bottom face of the hollow structure of the lower die (1), and the upper ends of the second springs (12) are fixedly connected to the middle of the lower side face of the sliding plates (10);

the four corners of the lower die (1) are provided with through holes (13) above the sliding grooves (9), and the lower ends of the ejector rods (3) penetrate into the through holes (13).

2. The calculator box packaging and molding injection mold according to claim 1, wherein a lower tie plate is fixedly connected to a lower side surface of the lower mold (1), and an upper tie plate is fixedly connected to an upper side surface of the upper mold (2).

3. The packing and forming injection mold of calculator box according to claim 2, wherein four outer cylinders (7) and first springs (6) are fixedly connected to the upper side of the upper connecting plate, and the first springs (6) are sleeved outside the outer cylinders (7) and are located at four corners of the lower mold (1).

4. The packing and forming injection mold of calculator box as claimed in claim 2, wherein four guide rods (4) are fixedly connected to the lower side surface of the upper connecting plate, four guide rods (4) are respectively located at four corners of the upper mold (2), and limiting plates (5) are fixedly connected to the outer side surfaces of the four guide rods (4) and located at equal distances from the upper connecting plate.

5. The calculator box packaging and molding injection mold according to claim 4, wherein the lower side surface of the limit plate (5) is fixedly connected with one end of the first spring (6) away from the lower connecting plate.

6. A calculator kit package moulding injection mould according to claim 1 wherein the end of the pressure bar (8) in the through hole (13) abuts against the upper side of the part of the slide plate (10) in the slide groove (9).

7. The calculator box package molding injection mold according to claim 2, wherein both left and right sides of the lower link plate and the upper link plate are provided with two coupling holes.

8. The calculator box package molding injection mold according to claim 1, wherein the upper mold (2) is positioned right above the lower mold (1), and the inner mold and the cavity are positioned corresponding up and down.