Injection mold with linkage ejection mechanism

Abstract

The utility model relates to the field of injection molds, and particularly discloses an injection mold with a linkage ejection mechanism, which comprises an injection mold, the injection mold comprises an upper outer mold and a lower outer mold, an ejection mechanism is arranged above the lower outer mold, a pressing plate is arranged above the ejection mechanism, and ejector pins are mounted on the surface of the ejection mechanism in an array manner. An ejector rod inserting hole is formed in the position, located inside the pressing plate, of the upper portion of the side ejector rod, a blowing pipe is installed at the position, located on the upper surface of the pressing plate, of the upper end of the ejector rod inserting hole, a ventilation connecting pipe is connected between one side of the pressing plate and the blowing pipe, and an air control pressing rod is connected between the lower portion of the ejector rod inserting hole and the ventilation connecting pipe; and a sealing plug is mounted at the upper end of the air pressure control rod in the ventilation connecting pipe. The side ejector rods are inserted into the corresponding ejector rod inserting holes, so that the whole air control pressure rod drives the sealing plug to move towards a cavity above the ventilation connecting pipe, a channel between the ventilation connecting pipe and the blowing pipe is opened, and an air source externally connected with the ventilation connecting pipe can blow out the jacked injection product through the blowing pipe.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold with a linkage ejection mechanism. Background Art

[0002] Injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by the injection molding machine, and after cooling and solidification, the molded product is obtained. Injection molds are divided into two types according to molding characteristics: thermosetting plastic molds and thermoplastic plastic molds; according to the molding process, they are divided into transfer molds, blow molds, casting molds, thermoforming molds, hot pressing molds (compression molds), injection molds, etc.

[0003] However, the ejection mechanism of the traditional injection mold still requires manual unloading when dealing with a vertical injection mold, so the processing is more troublesome. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an injection mold with a linkage ejection mechanism, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: an injection mold with a linkage ejection mechanism, comprising an injection mold, the injection mold comprising: an upper outer mold and a lower outer mold, an ejection mechanism is arranged above the lower outer mold, a pressing plate is arranged above the ejection mechanism, ejector pins are installed in an array on the surface of the ejection mechanism, a return spring is arranged on the outer side of the ejector pin, a side ejector rod is installed on one side of the ejection mechanism, an ejector rod plug hole is opened above the side ejector rod and located inside the pressing plate, a blow pipe is installed on the upper end of the ejector rod plug hole located on the upper surface of the pressing plate, a ventilation pipe is connected between one side of the pressing plate and the blow pipe, a wind control pressure rod is connected between the lower side of the ejector rod plug hole and the ventilation pipe, and a closing plug is installed on the upper end of the wind control pressure rod located inside the ventilation pipe.

[0006] As a further solution of the utility model: an ejector pin hole is provided inside the pressing plate above the ejector pin, a spring is sleeved on the outer side of the wind control pressure rod, and an ejector pin guide rod is connected between the lower side of the pressing plate and the lower outer mold.

[0007] As a further solution of the utility model: a lower mold is installed on the upper surface of the pressing plate at a position corresponding to the ejector pin insertion hole, and an upper mold is installed on the lower surface of the upper outer mold.

[0008] As a further solution of the utility model: the ventilation connecting pipe is connected with the blow pipe, and a storage bin is installed above the closing plug at the outer end of the ventilation connecting pipe.

[0009] As a further solution of the utility model: the side ejector rod is fixedly connected to the ejection mechanism, and the return spring is fixedly connected to the ejector pin.

[0010] As a further solution of the utility model: the ejector pin hole is connected to the pressing plate.

[0011] As a further solution of the utility model: an ejector rod is installed below the ejector mechanism and passes through the interior of the lower outer mold.

[0012] As a further solution of the utility model: the lower mold is fixedly connected to the pressing plate, and the upper mold is fixedly connected to the upper outer mold.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When the ejection mechanism moves as a whole, the side ejector rod located on the outside will also be inserted into the corresponding ejector rod socket, so that the wind control pressure rod as a whole will drive the closing plug to move into the cavity above the ventilation pipe, thereby opening the passage between the ventilation pipe and the blow pipe, and the wind source outside the ventilation pipe will blow out the ejected injection molded product through the blow pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an injection mold with a linkage ejection mechanism;

[0016] Figure 2 It is a schematic diagram of the structure of an injection mold with a linkage ejection mechanism;

[0017] Figure 3 A bottom view of a clamping plate in an injection mold with a linkage ejection mechanism;

[0018] Figure 4 This is a partial enlarged view of the position of the ejector pin socket in an injection mold with a linkage ejection mechanism;

[0019] Figure 5 The figure is a side view of an injection mold in an injection mold with a linkage ejection mechanism.

[0020] In the figure: 1, injection mold; 2, upper outer mold; 3, lower outer mold; 4, upper mold; 5, pressing plate; 6, lower mold; 7, ventilation pipe; 8, blow pipe; 9, ejector mechanism; 10, side ejector; 501, ejector guide rod; 502, ejector rod socket; 503, ejector socket; 701, air control pressure rod; 702, closing plug; 901, ejector; 902, return spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-5 As shown, the present embodiment provides an injection mold with a linkage ejection mechanism, including an injection mold 1, the injection mold 1 comprising: an upper outer mold 2, a lower outer mold 3, an ejection mechanism 9 is arranged above the lower outer mold 3, a pressing plate 5 is arranged above the ejection mechanism 9, an ejector pin 901 is installed on the surface array of the ejector mechanism 9, a return spring 902 is arranged on the outer side of the ejector pin 901, the return spring 902 is fixedly connected to the ejector pin 901, a side ejector rod 10 is installed on one side of the ejector mechanism 9, the side ejector rod 10 is fixedly connected to the ejector mechanism 9, and the side ejector rod A push rod insertion hole 502 is provided inside the pressing plate 5 above 10, and a blow pipe 8 is installed on the upper end of the push rod insertion hole 502 on the upper surface of the pressing plate 5, and the ventilation pipe 7 is connected with the blow pipe 8, and a ventilation pipe 7 is connected between one side of the pressing plate 5 and the blow pipe 8, and a wind control pressure rod 701 is connected between the push rod insertion hole 502 and the ventilation pipe 7 below, and a closing plug 702 is installed on the upper end of the wind control pressure rod 701 inside the ventilation pipe 7, and a storage bin is installed on the outer end of the ventilation pipe 7 above the closing plug 702.

[0023] like Figure 2-5 As shown, in the present embodiment, an ejector hole 503 is provided inside the pressing plate 5 above the ejector 901, the ejector hole 503 is arranged through the pressing plate 5, a spring is sleeved on the outer side of the wind control pressure rod 701, an ejector guide rod 501 is connected between the lower side of the pressing plate 5 and the lower outer mold 3, an ejector rod is installed inside the lower outer mold 3 below the ejection mechanism 9, a lower mold 6 is installed on the upper surface of the pressing plate 5 corresponding to the position of the ejector hole 503, an upper mold 4 is installed on the lower surface of the upper outer mold 2, the lower mold 6 is fixedly connected to the pressing plate 5, and the upper mold 4 is fixedly connected to the upper outer mold 2.

[0024] The working principle of the utility model is as follows: when in use, after the upper end of the injection mold 1 is connected to the injection molding machine, the upper outer mold 2 and the lower outer mold 3 are controlled to be close to each other by extrusion, so that the upper mold 4 is integrally covered on the upper surface of the lower mold 6 to form an injection cavity, and when the hot-melt plastic particles enter the interior of the cavity, after being cooled and formed, the ejection mechanism 9 is pushed to move as a whole to the lower position of the pressing plate 5, and the ejector pin 901 above the ejector pin insertion hole 503 will pass through the interior of the ejector pin insertion hole 503, and the workpiece formed in the lower mold 6 will be separated from the lower mold 6, and when the ejector mechanism 9 is moved as a whole At the same time, the side push rod 10 located on the outside will also be inserted into the corresponding push rod insertion hole 502, so that the wind control pressure rod 701 as a whole will drive the closing plug 702 to move into the cavity above the ventilation pipe 7, thereby opening the passage between the ventilation pipe 7 and the blow pipe 8, and the wind source outside the ventilation pipe 7 will blow out the lifted injection molded product through the blow pipe 8. After the injection molding is completed, the ejection mechanism 9 is reset as a whole under the action of the reset spring 902, and the closing plug 702 will also be reset under the action of the spring sleeved on the outside of the wind control pressure rod 701 to disconnect the passage between the ventilation pipe 7 and the blow pipe 8.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold with a linkage ejection mechanism, comprising an injection mold (1), characterized in that: The injection mold (1) comprises: an upper outer mold (2) and a lower outer mold (3); an ejector mechanism (9) is arranged above the lower outer mold (3); a pressing plate (5) is arranged above the ejector mechanism (9); ejector pins (901) are installed in an array on the surface of the ejector mechanism (9); a return spring (902) is arranged on the outer side of the ejector pins (901); a side ejector rod (10) is installed on one side of the ejector mechanism (9); and the upper side of the side ejector rod (10) is located above the pressing plate (5). A push rod insertion hole (502) is provided inside the press plate (5); the upper end of the push rod insertion hole (502) is located on the upper surface of the press plate (5) and a blow pipe (8) is installed thereon; a ventilation pipe (7) is connected between one side of the press plate (5) and the blow pipe (8); a wind control pressure rod (701) is connected between the lower side of the push rod insertion hole (502) and the ventilation pipe (7); the upper end of the wind control pressure rod (701) is located inside the ventilation pipe (7) and a closing plug (702) is installed thereon.

2. The injection mold with a linkage ejection mechanism according to claim 1, characterized in that: An ejector pin insertion hole (503) is provided inside the pressing plate (5) above the ejector pin (901), a spring is sleeved on the outside of the wind control pressure rod (701), and an ejector pin guide rod (501) is connected between the bottom of the pressing plate (5) and the lower outer mold (3).

3. The injection mold with a linkage ejection mechanism according to claim 2, characterized in that: A lower mold (6) is installed on the upper surface of the pressing plate (5) at a position corresponding to the ejector pin insertion hole (503), and an upper mold (4) is installed on the lower surface of the upper outer mold (2).

4. The injection mold with a linkage ejection mechanism according to claim 1, characterized in that: The ventilation pipe (7) is connected to the blow pipe (8), and a storage bin is installed above the sealing plug (702) at the outer end of the ventilation pipe (7).

5. The injection mold with a linkage ejection mechanism according to claim 1, characterized in that: The side ejector rod (10) is fixedly connected to the ejection mechanism (9), and the return spring (902) is fixedly connected to the ejector pin (901).

6. The injection mold with a linkage ejection mechanism according to claim 2, characterized in that: The ejector pin socket (503) is arranged to be in communication with the pressing plate (5).

7. The injection mold with a linkage ejection mechanism according to claim 1, characterized in that: An ejection rod is installed below the ejection mechanism (9) and passes through the interior of the lower outer mold (3).

8. The injection mold with a linkage ejection mechanism according to claim 3, characterized in that: The lower mold (6) is fixedly connected to the pressing plate (5), and the upper mold (4) is fixedly connected to the upper outer mold (2).

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