CN210174068U - Injection molding mechanism of precise embedded part - Google Patents

Abstract

The utility model relates to an accurate piece injection molding mechanism that buries, including tool groove, main part board, limiting plate and ejecting fly leaf, the tool groove is passed the main part board with ejecting fly leaf is connected, the main part board with the limiting plate is linked, the tool groove includes thimble, reset spring and inserts the groove, insert the groove with the main part board is connected, the thimble passes insert the groove reset spring with ejecting fly leaf is connected. The mechanism is simple, convenient to prepare, install and use, low in price, and capable of reducing manufacturing cost of enterprises, and has the advantages of short injection molding period, convenience in machining insert difficult to place and the like.

Description

Injection molding mechanism of precise embedded part

Technical Field

The utility model relates to an injection moulding mechanism of accurate piece that buries.

Background

Due to technological advances, products are becoming more complex, especially automotive plastic parts. At present, most enterprises mostly adopt plastic parts to replace metal parts in order to reduce the production cost of the enterprises and reasonably reduce the space and the weight of injection molding parts. However, the automobile market is becoming more saturated, the competition among enterprises is becoming more intense, and the requirements and cost control for plastic parts are becoming more stringent, so that the structure of plastic parts is becoming more complicated.

The existing equipment for placing the insert has the problems that the insert is difficult to place due to the problems of undersize of the insert, undersize of the mold opening distance, excessive hole numbers and the like, so that the production period of the insert is invisibly increased, the quality of the produced product is difficult to guarantee, the defective rate of the product is increased, the production cost of an enterprise is invisibly increased, and the enterprise loses the competitive advantages of price and quality.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of the above prior art, the utility model aims to provide an accurate piece injection molding machine that buries constructs, this mechanism has simple structure, mold insert and places characteristics such as convenience, production cycle weak point.

For realizing above-mentioned purpose and other relevant mesh, the utility model provides a precision buries a mechanism of moulding plastics, including tool groove, main part board, limiting plate and ejecting fly leaf, the tool groove is passed the main part board with ejecting fly leaf is connected, the tool groove is used for placing the mold insert, the main part board with the limiting plate is linked, the main part board is used for fixing the tool groove, the limiting plate is used for the restriction the range of motion of ejecting fly leaf, the tool groove includes thimble, reset spring and inlay the piece groove, inlay the piece groove with the main part board is connected, the mold insert groove is used for placing the mold insert, the thimble passes inlay the piece groove reset spring with ejecting fly leaf connects, the thimble is used for ejecting mold insert, reset spring is used for promoting ejecting fly leaf resets.

Preferably, ejecting fly leaf includes fixed block, roof and kicking block, the fixed block is located the apex angle of roof, and fixes on the roof, the fixed block is used for fixing the thimble, the roof upside with the limiting plate contact, the roof is used for promoting the thimble motion, the kicking block passes the limiting plate with the roof is connected, the kicking block is used for promoting the roof motion.

Preferably, the mechanism further comprises guide posts, the guide posts are located on two sides of the main body plate and connected with the main body plate, and the guide posts are used for assisting in installing the mechanism.

Preferably, the ejector pin further comprises a limiting column, the limiting column is connected with the main body plate, and the limiting column is used for preventing the ejector pin from excessively extending out to damage the insert.

Preferably, the jig grooves are four in number.

Preferably, the cross section of the guide post is a circle with a radius which is increased firstly and then is kept unchanged, so that the installation is convenient.

When the mechanism works, the mold inserts are firstly placed into the jig grooves, the distance between the jig grooves of the mold inserts is fixed, so that the distance between the mold inserts is also fixed, when the mold inserts are installed, the mechanism is aligned to the mold cavity to push the ejector block to move, the ejector block pushes the top plate, the top plate pushes the reset spring and the ejector pin, the ejector pin pushes the mold inserts out of the mold insert grooves, then the reset spring returns to the original position, new mold inserts are placed, and the process is repeated.

To sum up, the utility model discloses an accurate piece injection moulding machine that buries constructs has following beneficial effect: the structure is simple, the use and the installation are convenient, the manufacturing cost is low, and the later maintenance is more convenient; the positions of all the insert jig grooves are fixed, the positions of the inserts are also fixed when the inserts are pushed to the mold cavity, and the placing precision of the inserts is high; the problem of insert placing difficulty caused by objective conditions such as insert undersize, die sinking distance undersize or cavity number excess is avoided, the placing period of the insert is shortened, and the production efficiency of enterprises is improved.

Drawings

Fig. 1 is a schematic structural diagram of an injection molding mechanism of a precision embedded part.

Fig. 2 is a schematic structural diagram of an injection molding mechanism for precision embedding parts from another view angle, which is used for showing the structure of the other side of the mechanism.

Fig. 3 is a schematic structural view of a jig groove.

1. A jig groove; 2. a main body plate; 3. a limiting plate; 4. ejecting a movable plate; 5. a guide post; 6. a limiting column; 7. a thimble; 8. a return spring; 9. an insert pocket; 10. a fixed block; 11. a top plate; 12. and (7) a top block.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in figures 1 to 3, the utility model provides a precise embedded injection molding mechanism, which comprises a jig groove 1, a main body plate 2, a limiting plate 3 and an ejecting movable plate 4, the jig groove 1 penetrates through the main body plate 2 to be connected with the ejection movable plate 4, the jig groove 1 is used for placing an insert, the main body plate 2 is linked with the limit plate 3, the main body plate 2 is used for fixing the jig groove 1, the limiting plate 3 is used for limiting the movement range of the ejection moving plate 4, the jig groove 1 comprises an ejector pin 7, a return spring 8 and an insert groove 9, the insert groove 9 is connected with the main body plate 2, the insert groove 9 is used for placing an insert, the thimble 7 passes through the insert groove 9 and the return spring 8 to be connected with the ejector movable plate 4, the ejector pin 7 is used for ejecting the insert, and the reset spring 8 is used for pushing the ejection movable plate 4 to reset.

In this embodiment, ejecting fly leaf 4 includes fixed block 10, roof 11 and kicking block 12, fixed block 10 is located the apex angle of roof 11, and fixes on roof 11, fixed block 10 is used for fixing thimble 7, roof 11 upside with limiting plate 3 contacts, the roof is used for promoting the thimble motion, kicking block 12 passes limiting plate 3 with roof 11 is connected, kicking block 12 is used for promoting roof 11 moves.

In this embodiment, the mechanism further comprises guide posts 5, the guide posts 5 are located on two sides of the main body plate 2 and connected with the main body plate 2, and the guide posts 5 are used for assisting installation of the mechanism.

In this embodiment, the insert further includes a limiting column 6, the limiting column 6 is connected to the main body plate 2, and the limiting column 6 is used to prevent the thimble 7 from being excessively extended to damage the insert.

In this embodiment, there are four jig grooves 1.

In this embodiment, the cross section of the guide post 5 is a circle with a radius which is increased first and then kept unchanged, so that the installation is convenient.

When the mechanism works, firstly, the insert is placed into the jig grooves 1, the distance between each insert jig groove 1 is fixed, so that the distance between each insert is also fixed, when the insert is installed, the mechanism is aligned to a mold cavity to push the ejector block 12 to move, the ejector block 12 pushes the ejector plate 11, the ejector plate 11 pushes the reset spring 8 and the ejector pin 7, the ejector pin 7 ejects the insert from the insert groove 9, then the reset spring 8 is restored to the original position, a new insert is placed, and the process is repeated.

As above, the utility model discloses a precision buries a mechanism of moulding plastics has following beneficial effect: the structure is simple, the use and the installation are convenient, the manufacturing cost is low, and the later maintenance is more convenient; the positions of all the insert jig grooves are fixed, the positions of the inserts are also fixed when the inserts are pushed to the mold cavity, and the placing precision of the inserts is high; the problem of insert placing difficulty caused by objective conditions such as insert undersize, die sinking distance undersize or cavity number excess is avoided, the placing period of the insert is shortened, and the production efficiency of enterprises is improved. Therefore, the utility model overcomes the defects of the prior art and has high industrial utilization value and practical value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (6)

1. The utility model provides a precision buries a mechanism of moulding plastics which characterized in that: the jig comprises a jig groove, a main body plate, a limiting plate and an ejection movable plate, wherein the jig groove penetrates through the main body plate and is connected with the ejection movable plate, the main body plate is connected with the limiting plate, the jig groove comprises an ejector pin, a reset spring and an insert groove, the insert groove is connected with the main body plate, and the ejector pin penetrates through the insert groove, the reset spring and the ejection movable plate.

2. A precision insert injection molding mechanism according to claim 1, wherein: the ejecting movable plate comprises a fixed block, a top plate and an ejector block, the fixed block is located at the top angle of the top plate and fixed on the top plate, the upper side of the top plate is in contact with the limiting plate, and the ejector block penetrates through the limiting plate and is connected with the top plate.

3. A precision insert injection molding mechanism according to claim 1, wherein: still include the guide post, the guide post is located the both sides of main part board, and with main part board connection.

4. A precision insert injection molding mechanism according to claim 1, wherein: still include spacing post, spacing post with the main part board is connected.

5. A precision insert injection molding mechanism according to claim 1, wherein: the tool groove has four.

6. A precision insert injection molding mechanism according to claim 3, wherein: the cross section of the guide post is a circle with the radius which is increased firstly and then kept unchanged.

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