CN216152965U

CN216152965U - Automatic ejection structure for motor casing lost foam mold

Info

Publication number: CN216152965U
Application number: CN202122288277.7U
Authority: CN
Inventors: 傅林军
Original assignee: Jiangsu Dongmenzi Mechanical And Electrical Technology Co ltd
Current assignee: Jiangsu Dongmenzi Mechanical And Electrical Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-04-01
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an automatic ejection structure for a motor casing lost foam mold, which comprises a fixed die base plate, wherein a positioning ring is fixedly arranged at the upper end of the fixed die base plate, a sprue bush is arranged at the lower end of the positioning ring, a fixed die fixing plate is fixedly arranged at the lower end of the fixed die base plate, a guide sleeve is fixedly arranged in the fixed die fixing plate, and a fixed die is fixedly arranged in the fixed die fixing plate. The automatic ejection structure for the motor shell lost foam mold is provided with the plurality of ejector rod structures, the contact area between the ejector rods and a product is large in the process of ejecting the product, the contact area between the ejector rods and the product is small in the process of ejecting the product, and the problem that the product is deformed greatly when being ejected due to unbalanced stress caused by uneven arrangement of the ejector rods when the product is ejected, so that traces are easily left on the surface of the product and the quality of the product is influenced is solved, the quality of the product is improved, and the surface of the product is more attractive.

Description

Automatic ejection structure for motor casing lost foam mold

Technical Field

The utility model relates to the technical field of ejection structures, in particular to an automatic ejection structure for a motor shell lost foam mold.

Background

In modern industrial production, after the product is produced from the mould, use a very general mould, mainly by the cover half, the movable mould, ejection mechanism constitutes, ejection mechanism often is on the movable mould, the movable mould retreats along with the workstation during mould die sinking, the cover half is separated, after the movable mould retreats to a certain position, the ejector mechanism of push pedal promotion mould on the injection molding machine is ejecting with the product, to some undercut products often will accomplish the die sinking through setting up the oblique top mechanism, will set up corresponding shaping characteristic on the oblique top, after the product shaping, the oblique top is ejecting at the promotion decline shaping product of injection molding machine, it needs ejecting product from the mould through ejection mechanism to accomplish the die sinking.

The existing ejection mechanism has certain disadvantages, most of the existing ejection mechanisms directly eject products out of a mold through ejector rods, however, in the production process, the ejector rods cannot be arranged at certain positions on the products, so that the products are unbalanced in stress due to uneven arrangement of the positions of the ejector rods, large deformation of the products is caused when the products are ejected out, and the quality of the products is influenced.

The prior patent (publication number CN101347978A) discloses an ejection mechanism for ejecting products out of a male mold core and a female mold core, wherein the ejection mechanism includes a set of top plates disposed in a top plate groove formed by the recess of the female mold core, the top plate includes at least one limiting step hole for passing a screw, and an ejection spring sleeved on the screw is compressed and accommodated in a spring hole formed by the extension recess of the top plate groove, and a return pin movably accommodated in a return pin hole of the male mold core, one end of the return pin is supported on the top plate, the other end of the return pin is interfered with the return spring, and the return spring is accommodated in a spring groove formed by the recess of the bottom of the return pin hole. But the device thimble quantity is less, and ejector pin and product area of contact are less, and when ejecting the product, because of the product leads to the atress unbalanced because the ejector pin position is arranged unevenly, lead to the product to produce big deformation when being ejected, leave the vestige on the product surface easily, influence the quality of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an automatic ejection structure for a motor casing lost foam mold.

In order to achieve the purpose, the utility model adopts the following technical scheme: the automatic ejection structure for the motor shell lost foam mold comprises a fixed mold base plate, wherein a positioning ring is fixedly arranged at the upper end of the fixed mold base plate, a sprue bush is arranged at the lower end of the positioning ring, and a fixed mold fixing plate is fixedly arranged at the lower end of the fixed mold base plate;

the fixed cover is characterized in that a guide sleeve is fixedly arranged in the fixed cover fixing plate, and a fixed cover is fixedly arranged in the fixed cover fixing plate.

As a further description of the above technical solution:

and a guide post is arranged in the guide sleeve in a sliding manner.

As a further description of the above technical solution:

and a movable die fixing plate is arranged at the lower end of the fixed die fixing plate.

As a further description of the above technical solution:

the inner part of the movable mould fixing plate is fixedly provided with a guide pillar, the inner part of the movable mould fixing plate is fixedly provided with a movable mould at a position corresponding to the fixed mould, and a product is arranged between the fixed mould and the movable mould.

As a further description of the above technical solution:

a first cushion block is fixedly arranged on one side of the lower end of the movable mold fixing plate, and a second cushion block is fixedly arranged on one side, far away from the first cushion block, of the movable mold fixing plate.

As a further description of the above technical solution:

and a plurality of ejector rods are arranged in the movable mold fixing plate in a sliding manner.

As a further description of the above technical solution:

the fixed movable mould bedplate that is provided with of first cushion and second cushion lower extreme, movable mould bedplate upper end is provided with the push pedal, the push pedal upper end is provided with the ejector pin fixed plate, ejector pin fixed plate is inside to be fixed and is provided with a plurality of ejector pins.

As a further description of the above technical solution:

and a rotating block is rotatably arranged between the push plate and the ejector rod fixing plate on one side of the upper end of the push plate.

The utility model has the following beneficial effects:

1. the automatic ejection structure for the motor shell lost foam mold is provided with the plurality of ejector rod structures, the contact area between the ejector rods and a product is large in the process of ejecting the product, the contact area between the ejector rods and the product is small in the process of ejecting the product, and the problem that the product is deformed greatly when being ejected due to unbalanced stress caused by uneven arrangement of the ejector rods when the product is ejected, so that traces are easily left on the surface of the product and the quality of the product is influenced is solved, the quality of the product is improved, and the surface of the product is more attractive.

2. The automatic ejection structure for the motor shell lost foam mold is provided with the rotating block and the second cushion block, and the rotating block and the second cushion block are matched to realize secondary ejection of a product when the device ejects the product, so that the problem that the product cannot be ejected completely due to the fact that the product is deep in depth when the product is ejected is solved, and the production efficiency is improved.

3. The automatic ejection structure for the motor shell lost foam mold is provided with the rotating block and the second cushion block, and the rotating block and the second cushion block are matched to realize secondary ejection of the device when a product is ejected, so that the phenomenon that the product cannot be ejected completely at one time when the depth of the product is deep and needs to be taken out again manually is avoided, the danger when the product is taken out manually is reduced, and the production safety is improved.

Drawings

FIG. 1 is a shaft side view of an automatic ejection structure for a motor casing lost foam mold provided by the utility model;

fig. 2 is a front view of an automatic ejection structure for a motor casing lost foam mold provided by the utility model;

fig. 3 is a schematic view of a mold closing state of the automatic ejection structure for the motor casing lost foam mold provided by the utility model;

fig. 4 is a schematic view of the die opening state of the automatic ejection structure for the motor casing lost foam die provided by the utility model.

Illustration of the drawings:

1. a fixed die base plate; 2. positioning rings; 3. a guide sleeve; 4. a guide post; 5. a movable mold fixing plate; 6. a first cushion block; 7. a top rod; 8. a movable mould seat plate; 9. moving the mold; 10. fixing a mold; 11. producing a product; 12. fixing a die fixing plate; 13. a mandril fixing plate; 14. pushing the plate; 15. rotating the block; 16. a second cushion block; 17. and (4) a sprue bush.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: the automatic ejection structure for the motor shell lost foam mold comprises a fixed mold base plate 1, wherein a positioning ring 2 is fixedly arranged at the upper end of the fixed mold base plate 1, a sprue bush 17 is arranged at the lower end of the positioning ring 2, and a fixed mold fixing plate 12 is fixedly arranged at the lower end of the fixed mold base plate 1;

a guide sleeve 3 is fixedly arranged in a fixed die fixing plate 12, a fixed die 10 is fixedly arranged in the fixed die fixing plate 12, a guide post 4 is arranged in the guide sleeve 3 in a sliding manner, a movable die fixing plate 5 is arranged at the lower end of the fixed die fixing plate 12, the guide post 4 is fixedly arranged in the movable die fixing plate 5, a movable die 9 is fixedly arranged in the movable die fixing plate 5 at a position corresponding to the fixed die 10, a product 11 is arranged between the fixed die 10 and the movable die 9, a first cushion block 6 is fixedly arranged at one side of the lower end of the movable die fixing plate 5, a second cushion block 16 is fixedly arranged at one side of the movable die fixing plate 5 away from the first cushion block 6, a plurality of ejector rods 7 are slidably arranged in the movable die fixing plate 5, a movable die base plate 8 is fixedly arranged at the lower ends of the first cushion block 6 and the second cushion block 16, a push plate 14 is arranged at the upper end of the movable die base plate 8, an ejector rod fixing plate 13 is fixedly arranged at the upper end of the push plate 14, : a rotating block 15 is rotatably arranged between the push plate 14 and the ejector rod fixing plate 13 on one side of the upper end of the push plate 14.

The working principle is as follows: when the device is used, the device is firstly assembled on a mold, the mold is assembled and fixed on an injection molding machine, the work is started, firstly, an injection molding machine port is aligned to a positioning ring 2, materials are injected into a mold cavity through a sprue bush 17, the injection molding machine drives a movable mold base plate 8 to open the mold after a product 11 is cooled, the injection molding machine drives the movable mold base plate 8 to move downwards during mold opening so as to drive the whole lower mold part to move, then a push rod pushes against a push plate 14 to realize the sliding of the push rod 7 in the mold, the product 11 is pushed out for one time, and when the injection molding machine drives the lower mold part to move continuously, a rotating block 15 starts to rotate when one side of the rotating block 15 contacts with a protruding part of a second cushion block 16 to realize the secondary pushing out of the product 11.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Motor casing disappearance mould is with automatic ejecting structure, including cover half bedplate (1), its characterized in that: a positioning ring (2) is fixedly arranged at the upper end of the fixed die base plate (1), a sprue bush (17) is arranged at the lower end of the positioning ring (2), and a fixed die fixing plate (12) is fixedly arranged at the lower end of the fixed die base plate (1);

the fixed die fixing plate (12) is internally and fixedly provided with a guide sleeve (3), and the fixed die fixing plate (12) is internally and fixedly provided with a fixed die (10).

2. The motor casing disappearance mould is with ejecting structure voluntarily of mould according to claim 1 characterized in that: and a guide post (4) is arranged in the guide sleeve (3) in a sliding manner.

3. The motor casing disappearance mould is with ejecting structure voluntarily of mould according to claim 1 characterized in that: and a moving die fixing plate (5) is arranged at the lower end of the fixed die fixing plate (12).

4. The motor casing disappearance mould is with ejecting structure voluntarily of claim 3 characterized in that: the guide post (4) is fixedly arranged in the movable die fixing plate (5), the movable die (9) is fixedly arranged in the movable die fixing plate (5) at a position corresponding to the fixed die (10), and a product (11) is arranged between the fixed die (10) and the movable die (9).

5. The motor casing disappearance mould is with ejecting structure voluntarily of claim 3 characterized in that: and a first cushion block (6) is fixedly arranged on one side of the lower end of the movable mold fixing plate (5), and a second cushion block (16) is fixedly arranged on one side, far away from the first cushion block (6), of the movable mold fixing plate (5).

6. The motor casing disappearance mould is with ejecting structure voluntarily of claim 3 characterized in that: and a plurality of ejector rods (7) are arranged in the movable mould fixing plate (5) in a sliding manner.

7. The motor casing disappearance mould is with ejecting structure voluntarily of mould according to claim 1 characterized in that: first cushion (6) and second cushion (16) lower extreme are fixed and are provided with movable mould bedplate (8), movable mould bedplate (8) upper end is provided with push pedal (14), push pedal (14) upper end is provided with ejector pin fixed plate (13), ejector pin fixed plate (13) inside fixed a plurality of ejector pins (7) that are provided with.

8. The motor casing disappearance mould is with ejecting structure voluntarily of mould according to claim 1 characterized in that: and a rotating block (15) is rotatably arranged on one side of the upper end of the push plate (14) between the push plate (14) and the ejector rod fixing plate (13).