CN212072829U

CN212072829U - Mold ejection device

Info

Publication number: CN212072829U
Application number: CN202020756907.1U
Authority: CN
Inventors: 贾国栋
Original assignee: Jia Guodong
Current assignee: Jia Guodong
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-04
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a mold ejection device, comprising a lower die, the die cavity has been seted up at the top of lower mould, a plurality of recesses have been seted up to the bottom inner wall of die cavity, be equipped with the roof in the recess, roof and recess phase-match, the control cavity has been seted up in the lower mould, be equipped with the lifter plate in the control cavity, the top inner wall of control cavity passes through the through-hole intercommunication with the bottom inner wall of recess, be equipped with the spliced pole in the through-hole, the top of spliced pole and the bottom fixed connection of roof, the bottom of spliced pole and the top fixed connection of lifter plate, the bottom of lifter plate and the bottom inner wall of control cavity are through a plurality of spring coupling, the below of lower mould is equipped with the mount pad, the top of mount pad is connected through a plurality of support. A mould ejecting device, completion mould demolding that can be simple convenient makes things convenient for in-service use, simple structure simultaneously, low in manufacturing cost.

Description

Mold ejection device

Technical Field

The utility model relates to the technical field of mold, in particular to mold ejection device.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother". The blank is formed into a tool with a specific shape and size under the action of 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 die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold which can be combined or separated. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level. However, the conventional mold generally does not have an ejection structure, so that the mold is inconvenient to eject, time and labor are wasted, the production efficiency of the mold is reduced, economic loss is directly caused, and the mold with the ejection structure is complex in structure, high in manufacturing cost and inconvenient to use in practice.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a mold ejection device, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mold ejection device comprises a lower mold, wherein a mold groove is formed in the top of the lower mold, a plurality of grooves are formed in the inner wall of the bottom of the mold groove, a top plate is arranged in each groove and matched with the corresponding groove, a control cavity is formed in the lower mold, a lifting plate is arranged in each control cavity, the inner wall of the top of each control cavity is communicated with the inner wall of the bottom of each groove through a through hole, a connecting column is arranged in each through hole, the top of each connecting column is fixedly connected with the bottom of the corresponding top plate, the bottom of each connecting column is fixedly connected with the top of each lifting plate, the bottom of each lifting plate is connected with the inner wall of the bottom of each control cavity through a plurality of first springs, a mounting seat is arranged below the lower mold, the top of each mounting seat is connected with the bottom of the lower mold through a plurality of supporting columns, and the top of the movable column is fixedly connected with the bottom of the lifting plate, and the bottom end of the movable column is provided with a limiting assembly.

Preferably, the limiting assembly comprises two fixed columns arranged at the top of the mounting seat, the fixed columns are fixedly connected with the lower die, fixed plates are fixedly connected to two sides of the movable column, a baffle is arranged at the top of each fixed plate, the baffle is in contact with the fixed plates, the top ends of the fixed columns penetrate through the baffle, second springs located between the baffle and the mounting seat are sleeved outside the fixed columns, a rotating ring located at the top of the baffle is sleeved outside the fixed columns, and the rotating ring is in threaded connection with the fixed columns.

Preferably, a handle is fixedly connected to one side of the rotating ring.

Preferably, the top of the mounting seat is provided with a plurality of counter bores.

Preferably, the distance between the top of the lifting plate and the inner wall of the top of the control chamber is greater than the depth of the die cavity.

Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation that sets up lower mould, die cavity, recess, roof, control cavity, through-hole, lifter plate, spliced pole, first spring, mount pad, support column, activity post and spacing subassembly, completion mould demolding that can be simple convenient makes things convenient for in-service use, simple structure simultaneously, low in manufacturing cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a mold ejection device according to the present invention;

fig. 2 is a front view of a mold ejection device of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.

In the figure: 1. a lower die; 2. a die cavity; 3. a groove; 4. a top plate; 5. a control chamber; 6. a through hole; 7. a lifting plate; 8. connecting columns; 9. a first spring; 10. a mounting seat; 11. a support pillar; 12. a movable post; 13. a fixing plate; 14. fixing a column; 15. a baffle plate; 16. a second spring; 17. a rotating ring; 18. a handle; 19. a counterbore.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a mold ejection device comprises a lower mold 1, a mold cavity 2 is formed at the top of the lower mold 1, a plurality of grooves 3 are formed in the inner wall of the bottom of the mold cavity 2, a top plate 4 is arranged in each groove 3, the top plate 4 is matched with each groove 3, a control chamber 5 is formed in the lower mold 1, a lifting plate 7 is arranged in each control chamber 5, the inner wall of the top of each control chamber 5 is communicated with the inner wall of the bottom of each groove 3 through a through hole 6, a connecting column 8 is arranged in each through hole 6, the top of each connecting column 8 is fixedly connected with the bottom of the corresponding top plate 4, the bottom of each connecting column 8 is fixedly connected with the top of each lifting plate 7, the bottom of each lifting plate 7 is connected with the inner wall of the bottom of each control chamber 5 through a plurality of first springs 9, a mounting seat 10 is arranged below the lower mold 1, the top end of the movable column 12 penetrates into the control chamber 5, the top of the movable column 12 is fixedly connected with the bottom of the lifting plate 7, and the bottom end of the movable column 12 is provided with a limiting assembly;

the limiting assembly comprises two fixing columns 14 arranged at the top of the mounting seat 10, the fixing columns 14 are fixedly connected with the lower die 1, fixing plates 13 are fixedly connected to two sides of the movable column 12, a baffle 15 is arranged at the top of each fixing plate 13, each baffle 15 is in contact with each fixing plate 13, the top ends of the fixing columns 14 penetrate through the corresponding baffle 15, second springs 16 located between the corresponding baffle 15 and the mounting seat 10 are sleeved outside the fixing columns 14, rotating rings 17 located at the tops of the corresponding baffles 15 are sleeved outside the fixing columns 14, and the rotating rings 17 are in threaded connection with the fixing columns 14; one side of the rotating ring 17 is fixedly connected with a handle 18; the top of the mounting seat 10 is provided with a plurality of counter bores 19; the distance between the top of the lifting plate 7 and the inner wall of the top of the control cavity 5 is larger than the depth of the die cavity 2, so that the top plate 4 is ensured to push the workpiece out of the die cavity 2, and the workpiece is convenient to take out.

It should be noted that, the utility model relates to a mold ejection device, when in use, there is a certain deformation in the initial state of the first spring 9 and the second spring 16, when the mold is required to be ejected, the rotating ring 17 is rotated to move up the rotating ring 17, the pressing of the rotating ring 17 on the baffle 15 is removed, and then the baffle 15 is driven to rotate, so that the baffle 15 is not contacted with the fixed plate 13, and further the fixing of the position of the fixed plate 13 is removed, so that the first spring 9 drives the lifting plate 7 to move up, the lifting plate 7 drives the top plate 4 to move up through the connecting column 8, and further the processed piece is ejected through the top plate 4, so as to facilitate the mold ejection, after the ejection is finished, the movable column 12 is pulled downwards, so that the top plate 4 is reset into the groove 3, the first spring 9 is in a compressed state, and further through the rotating baffle 15, so that the baffle 15 rotates to, through rotatory ring 17 press baffle 15, and then baffle 15 presses fixed plate 13, avoids fixed plate 13 to shift up, accomplishes the fixed to roof 4 positions, and then can process next machined part, completion mould demolding that can be simple convenient makes things convenient for in-service use, simple structure simultaneously, low in manufacturing cost.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mould ejecting device which characterized in that: comprises a lower die (1), a die cavity (2) is arranged at the top of the lower die (1), a plurality of grooves (3) are arranged on the inner wall of the bottom of the die cavity (2), a top plate (4) is arranged in each groove (3), the top plate (4) is matched with the grooves (3), a control cavity (5) is arranged in the lower die (1), a lifting plate (7) is arranged in each control cavity (5), the inner wall of the top of each control cavity (5) is communicated with the inner wall of the bottom of each groove (3) through a through hole (6), a connecting column (8) is arranged in each through hole (6), the top of each connecting column (8) is fixedly connected with the bottom of the corresponding top plate (4), the bottom of each connecting column (8) is fixedly connected with the top of each lifting plate (7), and the bottom of each lifting plate (7) is connected with the inner wall of the bottom of each control cavity (5, the below of lower mould (1) is equipped with mount pad (10), the top of mount pad (10) is connected through a plurality of support columns (11) with the bottom of lower mould (1), be equipped with movable post (12) between lower mould (1) and mount pad (10), the top of activity post (12) is run through to control cavity (5) in, just the top of activity post (12) and the bottom fixed connection of lifter plate (7), the bottom of activity post (12) is equipped with spacing subassembly.

2. A mold ejection device as in claim 1, wherein: the limiting assembly comprises two fixing columns (14) arranged at the top of an installation seat (10), the fixing columns (14) are fixedly connected with a lower die (1), fixing plates (13) are fixedly connected to two sides of a movable column (12), a baffle (15) is arranged at the top of each fixing plate (13), the baffle (15) is in contact with the fixing plates (13), the top ends of the fixing columns (14) penetrate through the baffle (15), a second spring (16) located between the baffle (15) and the installation seat (10) is sleeved outside the fixing columns (14), a rotating ring (17) located at the top of the baffle (15) is sleeved outside the fixing columns (14), and the rotating ring (17) is in threaded connection with the fixing columns (14).

3. A mold ejection device as in claim 2, wherein: one side of the rotating ring (17) is fixedly connected with a handle (18).

4. A mold ejection device as in claim 1, wherein: the top of the mounting seat (10) is provided with a plurality of counter bores (19).

5. A mold ejection device as in claim 1, wherein: the distance between the top of the lifting plate (7) and the inner wall of the top of the control cavity (5) is larger than the depth of the die cavity (2).