CN103381635B - A kind of mould emptier for plastic mould - Google Patents

Abstract

The invention discloses a demoulding mechanism for plastic moulds, which includes a front mold and a back mold, and a front mold core is arranged on the front mold, and is characterized in that: the back mold includes a back template, A rear mold core is provided on the rear template, a support plate is movably connected to the rear template, a square iron is connected to the support plate, and a rear mold bottom plate is connected to the square iron. A thimble plate is provided between the back mold bottom plate and the support plate, a thimble is provided on the thimble plate, a pull plate is provided between the front mold and the support plate, and a pull plate is provided between the back formwork and the support plate. There is a limit mechanism between them. The object of the present invention is to overcome the deficiencies in the prior art and provide a demoulding mechanism for plastic molds with simple structure and convenient demoulding.

Description

A demoulding mechanism for plastic molds

technical field

The invention relates to a demoulding mechanism for plastic moulds.

Background technique

In the existing plastic molds, when the ejector pin is not allowed to be placed in the inner ring of the product, the ejector pin is used to eject the product directly, because the ejection resistance of the inner ring is relatively large, and the ejector pin is directly pressed, and the product will deform, causing The product is defective. Therefore, the existing demoulding structure needs to be further improved.

Contents of the invention

The purpose of the present invention is to overcome the disadvantages of the prior art and provide a demoulding mechanism for plastic molds with simple structure and convenient demoulding.

In order to achieve the above object, the present invention adopts the following scheme:

A demoulding mechanism for plastic moulds, including a front mold and a back mold, a front mold core is arranged on the front mold, and it is characterized in that: the back mold includes a back template, and the back mold The template is provided with a rear mold core, a support plate is movably connected to the rear template, a square iron is connected to the support plate, a rear mold bottom plate is connected to the square iron, and a rear mold bottom plate is connected to the rear mold A thimble plate is provided between the bottom plate and the support plate, a thimble is provided on the thimble plate, a pull plate is provided between the front mold and the support plate, and a limiter is provided between the rear formwork and the support plate. mechanism.

A demoulding mechanism for plastic molds as described above is characterized in that the limiting mechanism includes a limiting groove arranged on the rear template, and a limiting screw is arranged in the limiting groove, so One end of the above-mentioned limit screw is fixedly connected to the support plate, and the other end of the limit screw is movably arranged in the limit groove.

A demoulding mechanism for plastic molds as described above is characterized in that the pull plate includes a plate body, and waist-shaped long grooves are respectively provided on both ends of the plate body, between the front mold and the Positioning screws are respectively provided on the rear template, and the positioning screws are respectively arranged in the waist-shaped long grooves.

A demoulding mechanism for plastic molds as described above is characterized in that the ejector plate includes an ejector base plate, an ejector panel is connected to the ejector base plate, and the ejector pins are arranged on the ejector panel Inside.

A demoulding mechanism for plastic molds as described above is characterized in that the front mold includes a front template, the front mold core is connected with a stripper plate, and the stripper plate is connected with Front panel.

In summary, the present invention has the beneficial effects relative to the prior art as follows:

The present invention is simple in structure,

Description of drawings

Fig. 1 is the schematic diagram when closing mold of the present invention;

Fig. 2 is the schematic diagram when opening mold of the present invention;

Fig. 3 is the schematic diagram when the present invention fully molds;

Fig. 4 is a schematic diagram of the pulling plate of the present invention.

detailed description

The present invention will be further described below in conjunction with accompanying drawing description and specific embodiment:

A kind of demoulding mechanism that is used for plastic mould, as shown in Figure 1 to 4, comprises front mold 1 and back mold 2, is provided with front mold core 3 on described front mold 1, and described back mold 2 Including a rear template 21, the rear template 21 is provided with a rear mold core 7, a support plate 22 is movably connected to the rear template 21, and a square iron 23 is connected to the support plate 22. The square iron 23 is connected with a rear formwork bottom plate 24, and a thimble plate 25 is arranged between the described back form bottom plate 24 and the support plate 22, and a thimble 26 is arranged on the described thimble plate 25, and a thimble plate 26 is arranged on the described front formwork base plate 24. 1 and the supporting plate 22 is provided with a pull plate 4, and between the rear template 21 and the supporting plate 22 is provided with a limiting mechanism 5.

In the present invention, the limiting mechanism 5 includes a limiting groove 51 arranged on the rear template 21, a limiting screw 52 is arranged in the limiting groove 51, and one end of the limiting screw 52 is fixedly connected to the On the support plate 22 , the other end of the limiting screw 52 is movably disposed in the limiting groove 51 .

In the present invention, the pull plate 4 includes a plate body 41, and waist-shaped long grooves 42 are respectively arranged on the two ends of the plate body 41, and positioning screws 6 are respectively arranged on the front mold 1 and the rear template 21. , the positioning screws 6 are respectively arranged in the waist-shaped slots 42 .

The thimble plate 25 in the present invention includes a thimble bottom plate 251 on which a thimble panel 252 is connected, and the thimble 26 is arranged in the thimble panel 252 .

The front mold 1 described in the present invention includes a front template 11 , a stripper plate 12 is connected to the front mold core 3 , and a front mold panel 13 is connected to the stripper plate 12 .

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. A demoulding mechanism for plastic moulds, comprising front mold (1) and back mold (2), described front mold (1) is provided with front mold core (3), is characterized in that: The rear mold (2) includes a rear template (21), a rear mold core (7) is provided on the rear template (21), and a support plate (22) is movably connected to the rear template (21). ), is connected with square iron (23) on described support plate (22), is connected with rear mold bottom plate (24) on described square iron (23), at described rear mold bottom plate (24) and support A thimble plate (25) is provided between the plates (22), a thimble (26) is provided on the thimble plate (25), and a puller is provided between the front mold (1) and the support plate (22). plate (4), a limit mechanism (5) is provided between the rear template (21) and the support plate (22), and the limit mechanism (5) includes a A limiting groove (51), a limiting screw (52) is provided in the limiting groove (51), and one end of the limiting screw (52) is fixedly connected to the support plate (22). The other end of the positioning screw (52) is movably arranged in the limiting groove (51), the pull plate (4) includes a plate body (41), and waists are respectively arranged on both ends of the plate body (41). Long groove (42), described front mold (1) and rear template (21) are respectively provided with positioning screw (6), and described positioning screw (6) is respectively arranged on described waist-shaped long groove ( 42) inside. 2. A demoulding mechanism for plastic molds according to claim 1, characterized in that said ejector pin plate (25) includes an ejector pin base plate (251), connected to said ejector pin base plate (251) There is a thimble panel (252), and the thimble (26) is arranged in the thimble panel (252). 3. A demoulding mechanism for plastic molds according to claim 1, characterized in that said front mold (1) includes a front template (11), and said front mold core (3) is connected A stripper plate (12) is provided, and a front mold panel (13) is connected to the stripper plate (12).