CN219256380U

CN219256380U - Demoulding structure and injection mold for plastic product production

Info

Publication number: CN219256380U
Application number: CN202320219994.0U
Authority: CN
Inventors: 李宗倍
Original assignee: Hebei Fengbaotai Technology Co ltd
Current assignee: Hebei Fengbaotai Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-27
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of injection molds, in particular to a demolding structure and an injection mold for plastic product production, comprising the following components: the upper end of the stripper is provided with an upper die and a lower die, the movable frame is connected with an inserting rod, and the lower end of the inserting rod is provided with a fixed plate and a compression spring; the beneficial effects are as follows: the supporting rod is rotated at first to drive the backup pad and is located the top of last mould, stir the shifting block afterwards and drive between movable frame and the inserted bar through connecting block and movable column and rotate, when movable frame rotatory 90 degrees, the lower extreme of inserted bar is inserted in the middle of the slot, make the fixed plate compress tightly the cope match-plate pattern through hold-down spring's effect simultaneously, only need stir the shifting block rotatory 90 degrees when not hard up, drive the inserted bar and shift up and make the fixed plate compress to hold-down spring, make the movable frame fix on the backup pad lateral wall through hold-down spring's elastic action in addition, thereby be convenient for accomplish closely fixed and not hard up between last mould and the lower mould fast.

Description

Demoulding structure and injection mold for plastic product production

Technical Field

The utility model relates to the technical field of injection molds, in particular to a demolding structure and an injection mold for plastic product production.

Background

With the progress of the design technology of the mold, more and more innovative application type molds are presented in various industries, wherein an injection mold is a tool for producing plastic products, meanwhile, a tool for endowing the plastic products with complete structures and precise dimensions is required, a heated and melted material is injected into a mold cavity from high pressure, a formed product is obtained after cooling and solidification, and the demolding of the mold means that the condensed product is separated from the mold and then subjected to subsequent finish machining.

Chinese patent CN 211891805U is a plastic product injection mold's interior line drawing of patterns structure, the on-line screen storage device comprises a base, the top of base is connected with the bed die, and the top of bed die is connected with the mould, set up the shaping chamber between bed die and the last mould, and the inner wall gomphosis in shaping chamber is connected with interior line, install demoulding mechanism between base and the bed die, and demoulding mechanism's inside is including two logical grooves, constitute integrated connection through the fluting between logical groove and the bed die, and the ejector pin has been cup jointed to the inside of logical groove, the top fixedly connected with sealing plug of ejector pin.

However, in the above patent, when the upper die and the lower die are tightly connected, the threaded rod needs to be rotationally fixed, but the process of tightening and loosening the threaded rod is complicated, so that the upper die and the lower die are inconvenient to be tightly fixed quickly.

Disclosure of Invention

The utility model aims to provide a demolding structure and an injection mold for plastic product production, so as to solve the problems that in the prior art, when an upper mold and a lower mold are tightly connected, a threaded rod is required to be rotationally fixed, but the process of screwing and loosening the threaded rod is complicated, and the upper mold and the lower mold are inconvenient to be tightly fixed quickly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a demolding structure, the demolding structure comprising:

the upper end of the demoulding machine is provided with an upper mould and a lower mould, both sides of the lower mould are provided with supporting rods, and the upper ends of the supporting rods are fixedly connected with supporting plates; a kind of electronic device with high-pressure air-conditioning system

The movable frame is provided with two, two the movable frame is connected with the inserted bar, two the inserted bar is connected with two backup pads respectively, two the one end of inserted bar all is equipped with the fixed plate, the fixed plate is connected with compression spring.

Preferably, slots are formed in two ends of the upper side wall of the upper die.

Preferably, the supporting plate is elliptical, and a through hole is formed in the side wall of one end, far away from the supporting rod, of the supporting plate.

Preferably, the two movable frames are in a shape of , one ends of the two movable frames are fixedly connected with a shifting block, and the side walls of the two movable frames are provided with movable columns.

Preferably, one end of each of the two inserting rods vertically penetrates through the two through holes, and the side wall of one end of each of the two inserting rods, which is positioned at the upper end of the supporting rod, is fixedly connected with the connecting block.

Preferably, the side wall of the connecting block is provided with a movable hole, and the connecting block is sleeved on the outer wall of the movable column through the movable hole.

Preferably, the fixed plate is fixedly sleeved on the outer wall of one end, far away from the movable frame, of the inserted link, and the lower side wall of the fixed plate is fixedly connected with a rubber pad.

Preferably, the hold-down spring is sleeved on the outer wall of the lower side of the inserted link, one end of the hold-down spring is fixedly connected with one end of the fixed plate, and the other end of the hold-down spring is fixedly connected with the lower side wall of the supporting plate.

An injection mold for plastic product production comprises the demolding structure.

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

when fixing, connect last mould and bed die back, rotatory bracing piece drives the backup pad and is located the top of last mould, the shifting block is perpendicular with the backup pad this moment, stir the shifting block afterwards and drive movable frame and inserted bar between rotatory through connecting block and movable column, the inserted bar moves down in the through-hole in rotatory in-process, when the movable frame rotation degree, the lower extreme of inserted bar inserts in the middle of the slot, make the fixed plate compress tightly the cope match-plate pattern through hold-down spring's effect simultaneously, only need stir the shifting block rotation degree when not hard up, drive the inserted bar and shift up and make the fixed plate compress to hold-down spring, in addition, make the movable frame fix on the backup pad lateral wall through hold-down spring's elastic action, thereby be convenient for accomplish closely fixed and not hard up between last mould and the bed die fast.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of a support bar according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present utility model.

In the figure: 1. a stripper; 2. a support rod; 3. a support plate; 4. an upper die; 5. a lower die; 6. a compression spring; 7. a fixing plate; 8. a rod; 9. a slot; 10. a shifting block; 11. a movable frame; 12. a movable hole; 13. a connecting block; 14. a through hole; 15. a movable column; 16. and a rubber pad.

Description of the embodiments

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a demolding structure, the demolding structure comprising:

the stripper 1, the upper end of stripper 1 is equipped with mould 4 and bed die 5, and the both sides of bed die 5 all are equipped with bracing piece 2, and the upper end fixedly connected with backup pad 3 of bracing piece 2, slot 9 has all been seted up at the last lateral wall both ends of mould 4, and backup pad 3 is oval, and through-hole 14 has been seted up to the lateral wall on the one end that bracing piece 2 was kept away from to backup pad 3.

The movable frame 11 is provided with two, two movable frames 11 all are connected with inserted bar 8, two inserted bars 8 are connected with two backup pads 3 respectively, the one end of two inserted bars 8 all is equipped with fixed plate 7, fixed plate 7 is connected with hold-down spring 6, two movable frames 11 all are "" font, the one end of two movable frames 11 all fixedly connected with shifting block 10, the lateral wall of two movable frames 11 all is equipped with movable post 15, the one end of two inserted bars 8 vertically passes two through-holes 14 respectively, the one end lateral wall that two inserted bars 8 are located the bracing piece 2 upper end is equal fixedly connected with connecting block 13, the movable hole 12 has been seted up on the lateral wall of connecting block 13, connecting block 13 cup joints on the outer wall of movable post 15 through movable hole 12, fixed plate 7 cup joints on the outer wall that movable frame 11 one end was kept away from to the inserted bar 8, the lower lateral wall fixedly connected with rubber pad 16 of fixed plate 7, hold-down spring 6 cup joints on the downside outer wall of inserted bar 8, the one end of hold-down spring 6 and the one end fixedly connected with of fixed plate 7, the other end of hold-down spring 6 and the lower lateral wall fixedly connected with of backup pad 3.

When in actual use, when the upper die 4 and the lower die 5 are fixed, after the upper die 4 and the lower die 5 are connected, the rotary support rod 2 drives the support plate 3 to be positioned above the upper die 4, at the moment, the shifting block 10 is vertical to the support plate 3, then the shifting block 10 is driven to rotate between the movable frame 11 and the inserted link 8 through the connecting block 13 and the movable column 15, the inserted link 8 moves downwards at the through hole 14 in the rotating process, when the movable frame 11 rotates by 90 degrees, the lower end of the inserted link 8 is inserted into the slot 9, meanwhile, the fixed plate 7 compresses the upper die 4 through the action of the compression spring 6, and when loosening, the shifting block 10 is only required to be shifted by 90 degrees, the inserted link 8 is driven to move upwards so that the fixed plate 7 compresses the compression spring 6, and in addition, the movable frame 11 is fixed on the side wall of the support plate 3 through the elastic action of the compression spring 6, so that the upper die and the lower die are tightly fixed and loosened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A demoulding structure, characterized in that: the demolding structure comprises:

the demolding machine comprises a demolding machine (1), wherein an upper mold (4) and a lower mold (5) are arranged at the upper end of the demolding machine (1), supporting rods (2) are arranged on two sides of the lower mold (5), and a supporting plate (3) is connected to the upper end of the supporting rods (2); a kind of electronic device with high-pressure air-conditioning system

The movable frames (11) are arranged, two inserting rods (8) are connected to the movable frames (11), the inserting rods (8) are connected with the two supporting plates (3) respectively, fixing plates (7) are arranged at one ends of the inserting rods (8), and the fixing plates (7) are connected with compression springs (6).

2. A mold release structure according to claim 1, wherein: slots (9) are formed in two ends of the upper side wall of the upper die (4).

3. A mold release structure according to claim 1, wherein: the supporting plate (3) is elliptical, and a through hole (14) is formed in the side wall of one end, far away from the supporting rod (2), of the supporting plate (3).

4. A mold release structure according to claim 3, wherein: two movable frames (11) are in a shape of , one ends of the two movable frames (11) are fixedly connected with a shifting block (10), and the side walls of the two movable frames (11) are provided with movable columns (15).

5. The release structure of claim 4, wherein: one end of each inserting rod (8) vertically penetrates through each through hole (14), and the side wall of one end of each inserting rod (8) located at the upper end of each supporting rod (2) is fixedly connected with a connecting block (13).

6. The release structure of claim 5, wherein: the side wall of the connecting block (13) is provided with a movable hole (12), and the connecting block (13) is sleeved on the outer wall of the movable column (15) through the movable hole (12).

7. A mold release structure according to claim 1, wherein: the fixed plate (7) is fixedly sleeved on the outer wall of one end, far away from the movable frame (11), of the inserted link (8), and a rubber pad (16) is fixedly connected to the lower side wall of the fixed plate (7).

8. A mold release structure according to claim 1, wherein: the compression spring (6) is sleeved on the outer wall of the lower side of the inserted link (8), one end of the compression spring (6) is fixedly connected with one end of the fixed plate (7), and the other end of the compression spring (6) is fixedly connected with the lower side wall of the supporting plate (3).

9. An injection mold for plastic product production, characterized in that: a release structure comprising any one of the above claims 1-8.