CN218701014U

CN218701014U - Mold ejection structure

Info

Publication number: CN218701014U
Application number: CN202223018446.6U
Authority: CN
Inventors: 吕初维; 吴宏青; 吴宝才
Original assignee: Anhui Baofeng Environmental Protection Technology Co ltd
Current assignee: Anhui Baofeng Precision Intelligent Manufacturing Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-24
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a mold ejection structure, which comprises a lower top plate and an upper top plate, wherein the middle part of the upper top plate is provided with a first positioning plate, the first positioning plate is internally provided with an inclined ejection mechanism and an ejector pin, and the inclined ejection mechanism and the ejector pin are both provided with a plurality of groups; the oblique ejection mechanism comprises a fixed table and an oblique ejector rod, the fixed table is fixedly arranged on the first positioning plate, a first moving groove is formed in the top of the fixed table, and the oblique ejector rod is slidably arranged in the first moving groove; through adopting above-mentioned structure can be ejecting with the inside injection product that has the back-off, the ejector pin of arranging simultaneously is ejecting to make the ejection force more sufficient, the ejecting product of being convenient for, and the setting of ejecting mechanism has also avoided the strain of gluing the position face to one side, and fixed station and oblique ejector pin collocation, further promotion oblique ejector pin ejecting distance, guarantee under the great condition of back-off size, oblique ejector pin can further removal, guarantee that the product can be intact ejecting.

Description

Mold ejection structure

Technical Field

The utility model relates to a mould technical field, concretely relates to ejecting structure of mould.

Background

With the rapid development of the manufacturing industry, the mold injection molding is widely applied to industries of mobile phone electronic products, automobiles, household appliances and the like. The injection molding machine injects molten plastic into a mold cavity, a product with a specific shape is formed after cooling and solidification, and the product is ejected by an ejection mechanism. However, with the market requirements, the requirements of products are higher and higher, and the corresponding die structure is more and more complex. For products with inverted buckle structures on the inner walls of the products, most of the existing ejection methods are manual insert ejection or pitched-top ejection, the manual insert ejects the products and the inserts from a mold, and then the manual insert is manually taken out to complete ejection, the ejection method is low in efficiency, the production efficiency is seriously affected, the labor cost is extremely high, rapid mass production cannot be realized, the pitched-top ejection is realized by connecting a tilted push rod with a top plate to perform tilted ejection, the ejection is limited only by a single push rod ejection distance (due to the fact that the push rod tilts, a long tilted push rod advancing distance is needed for ejecting short distances), and the ejection force is insufficient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model aims to provide an ejecting structure of mould adopts ejection mechanism to one side can be ejecting with the inside injection moulding product that has the back-off, and the ejector pin of arranging simultaneously is ejecting to make the liftout more sufficient, the ejecting product of being convenient for, and ejection mechanism's setting has also avoided the strain of gluing the face to one side, has increased the distance of ejecting to one side simultaneously.

The purpose of the utility model can be realized by the following technical scheme:

a mold ejection structure comprises a lower top plate and an upper top plate, wherein a first positioning plate is arranged in the middle of the upper top plate, an inclined ejection mechanism and ejector pins are arranged in the first positioning plate, and a plurality of groups of inclined ejection mechanisms and ejector pins are arranged;

the oblique ejection mechanism comprises a fixed table and an oblique ejector rod, the fixed table is fixedly mounted on the first positioning plate, a first moving groove is formed in the top of the fixed table, and the oblique ejector rod is slidably mounted in the first moving groove.

As a further aspect of the present invention: the die further comprises a guide seat and a second positioning plate, the guide seat is installed on the movable die plate of the die, and the second positioning plate is located below the guide seat and fixedly installed at the bottom of the movable die plate.

As a further aspect of the present invention: the inclined ejection mechanism and the ejector pin both penetrate through the second positioning plate and the guide seat.

As a further aspect of the present invention: the second positioning plate is in clearance fit with the inclined ejection mechanism and the ejector pin.

As a further aspect of the present invention: the guide seat is matched and installed with the inclined ejection mechanism and the ejector pin.

As a further aspect of the present invention: the bottom of the oblique ejector rod is provided with a second moving groove, the second moving groove is matched with the fixed platform and is installed, and the second moving groove is an oblique groove.

The utility model has the advantages that:

1. the utility model discloses an ejecting mechanism and thimble cooperation are ejecting to one side, have avoided the secondary operation, and further promotion ejecting efficiency, and then improve production efficiency, and the cooperation of ejecting mechanism and thimble makes ejecting dynamics more sufficient to one side simultaneously, guarantees to have the more abundant quilt of product of back-off ejecting, also avoids single ejecting mechanism to one side to bring the top for gluing the position face and hinders.

2. The utility model discloses a fixed station and oblique ejector pin collocation, further promotion oblique ejector pin ejecting distance, guarantee under the great condition of back-off size, the ejector pin can further removal to one side, guarantees that the product can be intact ejecting, and the setting of the oblique ejection mechanism of multiunit and thimble has simultaneously also further guaranteed ejecting effect.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic structural view of the present invention without the second positioning plate and the guide seat;

FIG. 3 is a schematic view of the overall structure of the middle inclined ejecting mechanism of the present invention;

FIG. 4 is a schematic sectional view of the middle inclined ejecting mechanism of the present invention;

fig. 5 is a schematic structural view of the assembly of the present invention in the mold.

In the figure: 1. a lower top plate; 2. an upper top plate; 3. a first positioning plate; 4. an inclined ejecting mechanism; 41. a fixed table; 42. an oblique ejector rod; 5. a thimble; 6. a second positioning plate; 7. a guide seat; 10. moving the template; 20. a movable mould core; 30. and forming the movable mould part.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the mold ejection structure includes a lower top plate 1 and an upper top plate 2, wherein the lower top plate 1 is connected to an external device for providing ejection force, such as a top rod of a hydraulic press, a first mounting groove is formed in the middle of the upper top plate 2, a first positioning plate 3 is mounted in the first mounting groove, an inclined ejection mechanism 4 and an ejector pin 5 are mounted in the first positioning plate 3, wherein the ejector pin 5 and the inclined ejection mechanism 4 are distributed according to a set position, and the inclined ejection mechanism 4 and the ejector pin 5 are provided with multiple groups for ejecting an injection molding product in all directions.

As shown in fig. 5, the mold further includes a movable mold plate 10, a guide seat 7 is disposed in the middle of the movable mold plate 10, and a second positioning plate 6 is disposed at the bottom of the guide seat 7 and fixedly mounted to the bottom of the movable mold plate 10, the guide seat 7 is mounted in the middle of the movable mold plate 10 through the second positioning plate 6, so as to prevent the guide seat 7 from falling off during movement and affecting ejection operation, the inclined ejection mechanism 4 and the ejector pins 5 of the ejection structure are both disposed through the second positioning plate 6 and the guide seat 7, the second positioning plate 6 is correspondingly provided with a plurality of first through grooves and first through holes, which are correspondingly clearance-fitted with the inclined ejection mechanism 4 and the ejector pins 5, so as to prevent interference caused by upward movement of the inclined ejection mechanism 4 and the ejector pins 5, the guide seat 7 is correspondingly provided with a plurality of second through grooves and second through holes, which are correspondingly adapted to the inclined ejection mechanism 4 and the ejector pins 5, and guide upward movement of the inclined ejection mechanism 4 and the ejector pins 5.

Further, when the ejection structure is located in the mold, as shown in fig. 5, a movable mold core 20 is installed in the middle of the movable mold plate 10 and above the guide seat 7, a molding movable mold 30 is disposed in the center of the movable mold core 20, when the ejection structure is installed in the mold, the top of the inclined ejection mechanism 4 and the top of the ejector pin 5 are also installed in a manner of being matched with the molding movable mold 30, and the installation position is set according to the requirement of the glue level surface. The forming movable module 30 is also provided with a plurality of sliding grooves matched with the inclined ejection mechanism 4 and a plurality of sliding holes matched with the ejector pins 5, the inclined ejection mechanism 4 and the ejector pins 5 are guided by matching the guide seat 7 and the forming movable module 30, the accuracy of ejection positions is ensured, and the damage to a glue position surface is avoided.

As further shown in fig. 2-4, the inclined ejecting mechanism 4 includes a fixed table 41 and an inclined ejector rod 42, wherein the fixed table 41 is fixedly mounted on the first positioning plate 3, a first moving groove is formed in the top of the fixed table 41, and the inclined ejector rod 42 is slidably mounted in the first moving groove, as shown in fig. 3 and 4, a second moving groove is formed in the bottom of the inclined ejector rod 42, the second moving groove is mounted in a manner of being matched with the fixed table 41, the second moving groove is an inclined groove, the inclination angle is set according to the vertical inclination angle of the inclined ejector rod 42, the top surfaces of the plurality of groups of inclined ejector rods 42 are different in glue level, and the rest sizes are the same.

The utility model discloses a theory of operation: when the injection molding piece needs to be ejected, the outside supplies power to the lower top plate 1, the lower top plate 1 drives the upper top plate 2 to move upwards, and the upper top plate 2 drives the inclined ejection mechanism 4 and the ejector pin 5 to move upwards to eject the injection molding piece;

the inclined ejection mechanism 4 is moved in such a manner that the upper ejector plate 2 drives the fixed table 41 to move vertically upward, the top of the fixed table 41 pushes the inclined ejector rod 42 to move upward, and because the inclined ejector rod 42 is obliquely arranged and the chute formed by the inclined ejector rod 42 and the movable molding element 30 is also an inclined chute, the inclined ejector rod 42 moves obliquely upward and is inclined inward to eject the injection molding product with an inverted buckle inside under the limit of the chute and the movable mold core 20 (see the matching surface of fig. 5 in detail).

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A mold ejection structure comprises a lower ejection plate (1) and an upper ejection plate (2), and is characterized in that a first positioning plate (3) is mounted in the middle of the upper ejection plate (2), an inclined ejection mechanism (4) and ejector pins (5) are mounted in the first positioning plate (3), and multiple groups of inclined ejection mechanisms (4) and ejector pins (5) are arranged;

the inclined ejection mechanism (4) comprises a fixed table (41) and an inclined ejector rod (42), the fixed table (41) is fixedly installed on the first positioning plate (3), a first moving groove is formed in the top of the fixed table (41), and the inclined ejector rod (42) is installed in the first moving groove in a sliding mode.

2. The mold ejection structure according to claim 1, further comprising a guide seat (7) and a second positioning plate (6), wherein the guide seat (7) is mounted on the movable mold plate (10) of the mold, and the second positioning plate (6) is located below the guide seat (7) and is fixedly mounted with the bottom of the movable mold plate (10).

3. The mold ejection structure according to claim 2, wherein the inclined ejection mechanism (4) and the ejector pin (5) are both disposed through the second positioning plate (6) and the guide seat (7).

4. A mold ejection structure according to claim 3, wherein the second positioning plate (6) is in clearance fit with the inclined ejection mechanism (4) and the ejector pin (5).

5. A mold ejection structure according to claim 3, wherein the guide base (7) is fitted with the inclined ejector mechanism (4) and the ejector pin (5).

6. The mold ejection structure according to claim 1, wherein a second moving groove is formed at the bottom of the inclined ejector rod (42), the second moving groove is adapted to the fixed table (41), and the second moving groove is an inclined groove.