CN207288601U - A demoulding structure of a metal mold - Google Patents

Abstract

The utility model discloses a hardware mould's demoulding structure, including lower mould and last mould, bolt fixedly connected with bottom plate is passed through to the bottom of lower mould, the inside sliding connection of lower mould has the lower mould guide pillar, the lower mould spring has been cup jointed on the surface of lower mould guide pillar, the top joint of lower mould guide pillar has the shaping die cavity, the both sides of shaping die cavity have the slider through constant head tank sliding connection. This kind of hardware mould's demoulding structure simple structure, through being provided with the buffer layer, the hard impact when having reduced the ejector pin ejecting, the destruction to the hardware surface has been avoided, product quality has been improved, through being provided with smooth stick and smooth stick groove, the slider that the mould drove smooth stick and will open smooth stick groove slides to both sides on the utilization, the shaping die cavity lifts up upwards, be convenient for take out the hardware in the moulded die cavity, this structure is convenient for operate, can reduce the destruction to the hardware again, utilize transmission structure simultaneously, demoulding efficiency has been improved greatly.

Description

A demoulding structure of a metal mold

technical field

The utility model relates to the technical field of hardware molds, in particular to a demoulding structure of hardware molds.

Background technique

All kinds of tools and products we use in our daily production and life, ranging from the base of the machine tool, the shell of the fuselage, to the small screw, button and the shell of various household appliances, are all closely related to the mold. The shape of the mold determines the shape of these products, and the processing quality and precision of the mold also determine the quality of these products. Because of the different materials, appearance, specifications and uses of various products, molds are divided into casting molds, forging molds, and die-casting molds. Dies, stamping dies and other non-plastic molds, as well as plastic molds.

In the production process of hardware parts, due to the special properties of hardware parts, demoulding work is often required in the production process of hardware molds. The traditional hardware mold structure is simple, and the single ejector pin is used to eject it, which is easy to cause deformation and other quality problems of hardware parts. question.

Utility model content

The purpose of the utility model is to provide a demoulding structure of a metal mold to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a demoulding structure of a metal mold, including a lower mold and an upper mold, the bottom of the lower mold is fixedly connected with a lower fixing plate by bolts, and the lower mold of the lower mold The inner slide is connected with a lower die guide post, the surface of the lower die guide post is sleeved with a lower die spring, and the top end of the lower die guide post is clamped with a forming cavity, and the two sides of the forming cavity pass through the positioning groove A sliding block is slidably connected, a limit block is arranged at the middle part of the bottom end of the sliding block, a sliding bar groove is opened at the middle part of the top end of the sliding block, a buffer layer is fixedly connected to the top of the upper mold, and the top end of the buffer layer The upper fixing plate is fixedly connected by bolts, the inside of the upper die is connected with a push rod, the middle part of the push rod is sleeved with a limit ring, and the upper part of the limit ring is sleeved with a spring of the upper die. Both sides of the bottom end of the mold are fixedly connected with sliding rods by bolts.

Preferably, the molding cavity has a trapezoidal structure, and two sides of the molding cavity are parallel to one side of the slider.

Preferably, the slider slides horizontally with respect to the lower mold, there are two sets of sliders in total, and the sliders are mirrored with respect to the lower mold.

Preferably, the buffer layer is made of vulcanized rubber, and the thickness of the buffer layer is greater than 1CM.

Preferably, the included angle between the sliding rod groove and the vertical line is 30°, and the inside of the sliding rod groove is polished.

Preferably, the slide bar is arranged parallel to the slide bar slot, the bottom end of the slide bar is in a spherical structure, and the slide bar is in clearance fit with the slide bar slot.

Preferably, the ejector pin is arranged directly above the upper surface of the molding cavity, and the length of the ejector pin is equal to the thickness of the upper mold.

Compared with the prior art, the beneficial effect of the utility model is that the demoulding structure of this kind of hardware mold is simple, and the hard impact when the ejector rod is ejected is reduced by being provided with a buffer layer, and the damage to the surface of the hardware is avoided. The product quality is improved. By setting the sliding rod and the sliding rod groove, the upper mold is used to drive the sliding rod and slide the slider with the sliding rod groove to both sides, and the molding cavity is lifted upwards, which is convenient for forming the molding cavity This structure is convenient to operate and can reduce the damage to the hardware. At the same time, the transmission structure is used to greatly improve the demoulding efficiency.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a partial structural diagram of the utility model.

In the figure: 1-lower mold guide column; 2-lower fixed plate; 3-lower mold spring; 4-forming cavity; 5-lower mold; 6-slider; 7-upper fixed plate; 8-buffer layer; 9 -upper die spring; 10-limiting ring; 11-upper die; 12-ejector; 13-sliding rod; 14-sliding rod slot;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a demoulding structure of a metal mold, including a lower mold 5 and an upper mold 11, the bottom of the lower mold 5 is fixedly connected with a lower fixing plate by bolts 2. The inside of the lower mold 5 is slidingly connected with the lower mold guide post 1, the surface of the lower mold guide post 1 is sleeved with the lower die spring 3, and the top end of the lower mold guide post 1 is clamped with the molding cavity 4. The two sides of the molding cavity 4 are slidably connected with the slider 6 through the positioning groove 16, the bottom middle of the slider 6 is provided with a limit block 15, and the top middle of the slider 6 is provided with a sliding rod groove 14. The top of the upper mold 11 is fixedly connected with a buffer layer 8, and the top of the buffer layer 8 is fixedly connected with the upper fixing plate 7 by bolts, and the inside of the upper mold 11 is connected with a push rod 12. The middle part of the rod 12 is sleeved with a limiting ring 10, and the top of the limiting ring 10 is sleeved with an upper die spring 9, and both sides of the bottom end of the upper die 11 are fixedly connected with slide bars 13 by bolts.

The molding cavity 4 is a trapezoidal structure, the two sides of the molding cavity 4 are parallel to one side of the slider 6, and the slider 6 slides horizontally with respect to the lower mold 5, and the slider 6 is provided with two group, and the slider 6 is distributed in mirror image with respect to the lower mold 5, the buffer layer 8 is made of vulcanized rubber, the thickness of the buffer layer 8 is greater than 1CM, the angle between the slide bar groove 14 and the vertical line is 30°, the The inside of the slide bar groove 14 is polished, the slide bar 13 is arranged in parallel with the slide bar groove 14, the bottom end of the slide bar 13 is a spherical structure, the slide bar 13 is in clearance fit with the slide bar groove 14, and the top The rod 12 is arranged directly above the upper surface of the molding cavity 4 , and the length of the ejector rod 12 is equal to the thickness of the upper mold 11 .

Working principle: In the process of use, first fix the lower fixing plate 2 and the upper fixing plate 7 with the press respectively, then put the raw material into the molding cavity 4, the upper mold 11 moves downward, and the sliding rod 13 is inserted into the sliding rod groove 14 Inside, the slider 6 is squeezed inward so that the molding cavity 4 moves downward and is at the same level as the slider 6. At this time, the upper mold 11 and the lower mold 5 are fitted together, and the die-casting operation starts. After the operation is completed, the upper mold The mold 11 moves upward, and the ejector rod 12 is pushed out downward under the action of the upper die spring 9, so that the hardware is attached to the molding cavity 4, and the sliders 6 on both sides of the molding cavity 4 are placed on the sliding rod 13 Slide out to both sides under the action of the lower mold guide column 1 under the action of the lower mold spring 3 at the same time, the molding cavity 4 is pushed out upwards.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. a demoulding structure of a metal mould, comprising a lower mold (5) and a patriarchal mold (11), is characterized in that: the bottom end of said lower mold (5) is fixedly connected with a lower fixed plate (2) by bolts, The inside of the lower die (5) is slidingly connected with a lower die guide post (1), the surface of the lower die guide post (1) is sleeved with a lower die spring (3), and the lower die guide post (1) The top of the mold cavity (4) is clamped with a molding cavity (4), and the two sides of the molding cavity (4) are slidably connected with a slider (6) through a positioning groove (16), and the middle part of the bottom end of the slider (6) is set Limit block (15), the top middle part of described slide block (6) has slide rod groove (14), and the top of described upper die (11) is fixedly connected with buffer layer (8), and described buffer layer (8 ) is fixedly connected with an upper fixing plate (7) by bolts, the inside of the upper mold (11) is connected with a push rod (12), and the middle part of the push rod (12) is sleeved with a limit ring (10) , the top of the limiting ring (10) is sleeved with an upper die spring (9), and both sides of the bottom end of the upper die (11) are fixedly connected with slide bars (13) by bolts. 2. The demoulding structure of a metal mold according to claim 1, characterized in that: the forming cavity (4) is a trapezoidal structure, and the two sides of the forming cavity (4) are in contact with the slider (6) ) is parallel to one side. 3. The demoulding structure of a metal mold according to claim 1, characterized in that: the slider (6) slides horizontally with respect to the lower mold (5), and the slider (6) is provided with two group, and the slide block (6) is distributed with respect to the mirror image of the lower die (5). 4. The demoulding structure of a metal mold according to claim 1, characterized in that: the buffer layer (8) is made of vulcanized rubber, and the thickness of the buffer layer (8) is greater than 1 cm. 5. The demoulding structure of a metal mold according to claim 1, characterized in that: the angle between the slide bar groove (14) and the vertical line is 30°, and the inside of the slide bar groove (14) polishing. 6. The demoulding structure of a metal mold according to claim 1, characterized in that: the slide bar (13) is arranged parallel to the slide bar groove (14), and the bottom end of the slide bar (13) is Spherical structure, the sliding rod (13) is in clearance fit with the sliding rod groove (14). 7. The demoulding structure of a metal mold according to claim 1, characterized in that: the ejector pin (12) is arranged directly above the upper surface of the molding cavity (4), and the ejector pin (12) The length equals the thickness of patrix (11).