CN212498745U

CN212498745U - Forced-disengaging and abdicating structure for parallel surface

Info

Publication number: CN212498745U
Application number: CN202020976515.6U
Authority: CN
Inventors: 曹争祥; 唐林; 罗红兵
Original assignee: Shenzhen Liqi Technology Co ltd
Current assignee: Shenzhen Liqi Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-09
Anticipated expiration: 2030-06-02

Abstract

The utility model is suitable for an injection mold field provides a parallel surface forcibly takes off structure of stepping down, include: lower fixing base, install the support column down on the fixing base, the die holder is installed at the support column top, install the lower mould mold insert in the die holder, install the lower mould core in the lower mould mold insert, fixing base mid-mounting has ejection mechanism down, and ejection mechanism runs through die holder and lower mould mold insert, it cooperatees to go up the mold insert when lower mould mold insert and mould are closed, it has the product casing to go up to fill between mold insert and the lower mould mold insert, it is fixed with the upper die base to go up mold insert upper portion, the upper die base upper end is fixed with the fixing base, the utility model discloses not only realized having shortened molding cycle's purpose, still simplified the mould structure, improved the mould life, no matter all be very big saving to mould manufacturing cost and product shaping cost.

Description

Forced-disengaging and abdicating structure for parallel surface

Technical Field

The utility model belongs to the injection mold field especially relates to parallel surface forcibly takes off structure of stepping down.

Background

At present, plastic products relate to the aspects of daily life, and the forming of the plastic products mainly depends on a mould, so the technological method and the use mission of the mould are extremely important.

Most of the existing product demoulding modes are complex in structure, so that the mould manufacturing cost is improved, the product forming period is prolonged, and the service life of the mould is influenced, so that a simple ejection mode is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a parallel surface is taken off by force and is stepped down structure aims at solving traditional ejection mechanism manufacturing cost height, and the shaping cycle is long, the not high problem of mould life-span.

The embodiment of the utility model provides a realize like this, a parallel surface forcibly takes off structure of stepping down, the structure includes: the mould comprises a lower fixing base, wherein a support column is installed on the lower fixing base, a lower die base is installed at the top of the support column, a lower die insert is installed in the lower die base, a lower die core is installed in the lower die insert, an ejection mechanism is installed in the middle of the lower fixing base and penetrates through the lower die base and the lower die insert, the lower die insert is matched with the upper die insert when the mould is closed, a product shell is filled between the upper die insert and the lower die insert, an upper die base is fixed on the upper portion of the upper die insert, and an upper fixing base is fixed at the.

Preferably, the lower die insert comprises a lower end point of the outer side planing surface of the cavity, and an upper end point of the outer side planing surface of the cavity is arranged at the upper part of the lower end point.

Preferably, the inner side of the lower end point comprises a concave inverted buckle highest point, and the concave inverted buckle highest point is provided with an inverted plane intersection point in the demolding direction.

Preferably, a line between the lower end point and the upper end point is parallel to a line between the highest point and the intersection point.

Preferably, the ejection mechanism comprises an ejection seat, an air cylinder is installed at the upper end of the ejection seat, and an expansion link is installed in the air cylinder.

Preferably, the furthest distance of the ejection mechanism cannot exceed the length of the product housing.

The embodiment of the utility model provides a pair of parallel surface is taken off by force and is stepped down structure has not only shortened the shaping cycle, has still simplified the mould structure, has improved the mould life-span, no matter all is very big saving to mould manufacturing cost and product shaping cost.

Drawings

Fig. 1 is a plan view of a structure of forced abdicating parallel surfaces according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a product forming portion provided in an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating deformation of the mold for instant forced releasing of the structural product;

fig. 4 is an enlarged view of the deformation of the product with the instant forced-demoulding structure of the forming part mold according to the embodiment of the present invention.

In the drawings: 1. a lower fixed seat; 2. a support pillar; 3. a lower die holder; 4. a lower die insert; 401. a lower endpoint; 402. an upper endpoint; 4011. the highest point; 4012. a point of intersection; 5. a lower die core; 6. an ejection mechanism; 601. an ejection seat; 602. a cylinder; 603. a telescopic rod; 7. an upper die insert; 8. a product housing; 9. an upper die holder; 10. an upper fixing seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1 and 3, a structure diagram of a parallel plane forced abdicating structure provided by an embodiment of the present invention includes:

the mould comprises a lower fixing base 1, a support column 2 is installed on the lower fixing base 1, a lower die base 3 is installed at the top of the support column 2, a lower die insert 4 is installed in the lower die base 3, a lower die core 5 is installed in the lower die insert 4, an ejection mechanism 6 is installed in the middle of the lower fixing base 1, the ejection mechanism 6 runs through the lower die base 3 and the lower die insert 4, an upper die insert 7 is matched with a mould when the lower die insert 4 and the mould are closed, a product shell 8 is filled between the upper die insert 7 and the lower die insert 4, an upper die base 9 is fixed on the upper portion of the upper die insert 7, and an upper fixing base 10.

The utility model discloses an in the embodiment, after the cooling of the product casing 8 that has filled is stereotyped at lower mould mold insert 4 and lower mould core 5, go up mould insert 7 and drive under upper die base 9, leave lower mould mold insert 4 gradually, ejection mechanism 6 is ejecting with product casing 8, leaves lower mould mold insert 4, lower mould core 5, and product casing 8 takes out, accomplishes one production process, then the compound die, pours into new fused plastics into, can carry out the repetitive production.

As shown in fig. 2 and 4, as a preferred embodiment of the present invention, the lower mold insert 4 includes a lower end 401 of the outer surface of the cavity, and an upper end 402 of the outer surface of the cavity is provided at an upper portion of the lower end 401.

The utility model discloses an in the embodiment, the in-process of the line place plane between lower extreme point 401 and the upper end point 402 of lower mould mold insert 4 drawing of patterns gradually at product casing 8, the distance between the place plane can and the product casing 8 is bigger and bigger to make the smooth drawing of patterns of product.

As shown in fig. 2 and 4, as a preferred embodiment of the present invention, the inner side of the lower end point 401 includes a concave undercut highest point 4011, and the concave undercut highest point 4011 has an undercut cross point 4012 in the mold release direction.

In an example of the present invention, the intersection 4012 provides a deformation point for the extrusion deformation of the product housing 8, and the connection line between the highest point 4011 and the intersection 4012 provides another surface for the parallel surface.

As shown in fig. 2 and 4, as a preferred embodiment of the present invention, a connecting line between the lower endpoint 401 and the upper endpoint 402 is parallel to a connecting line between the highest point 4011 and the intersecting point 4012.

The utility model discloses an in the example, when leaving lower mould mold insert 4 and lower mould core 5 gradually along with product casing 8, intersect 4012 forms the extrusion and to the outside deformation to survey the face in the product casing 8, because line between lower extreme point 401 and the upper end 402 is parallel with the line between peak 4011 and the intersect 4012, along with leaving of product casing 8, product casing 8 can be because of the extrusion of intersect 4012, make product both sides face contained angle littleer and smaller, become the positive acute angle, thereby make product casing 8 lateral surface and upper end 402 and the space between the lower extreme point 401 place plane bigger and bigger, thereby make the product deviate from smoothly.

As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the ejection mechanism 6 includes an ejection seat 601, a cylinder 602 is installed on the upper end of the ejection seat 601, and an expansion link 603 is installed in the cylinder 602.

The utility model discloses an in an example, after the product casing 8 that has filled cools off the design at lower mould mold insert 4 and lower mould core 5, upper die base 9 drives and goes up mold insert 7 and leave behind lower mould mold insert 4, cylinder 602 starts, cylinder 602 drives telescopic link 603 jack-up that makes progress, after the dead point position is gone up in the arrival, product casing 8 takes out, then cylinder 602 drives telescopic link 603 downstream, after the dead point is arrived down, upper die base 9 drives mold insert 7 and carries out the compound die with lower mould mold insert 4, then carry out the repetitive production.

As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the maximum distance of the ejection mechanism 6 cannot exceed the length of the product housing 8.

The utility model discloses an in the example, ejection mechanism 6 furthest can not exceed the length of product casing 8 to ensure that ejection mechanism 6 can be ejecting with product casing 8 smoothly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A forced-disengaging structure for parallel surfaces comprises a lower fixed seat (1) and is characterized in that, a support pillar (2) is arranged on the lower fixed seat (1), a lower seat (3) is arranged at the top of the support pillar (2), a lower die insert (4) is arranged in the lower die seat (3), a lower die core (5) is arranged in the lower die insert (4), an ejection mechanism (6) is arranged in the middle of the lower fixed seat (1), and the ejection mechanism (6) penetrates through the lower die base (3) and the lower die insert (4), the lower die insert (4) is matched with the upper die insert (7) when the die is closed, a product shell (8) is filled between the upper die insert (7) and the lower die insert (4), an upper die base (9) is fixed on the upper portion of the upper die insert (7), and an upper fixing base (10) is fixed at the upper end of the upper die base (9).

2. The parallel-surface forcible-release structure according to claim 1, wherein the lower mold insert (4) comprises a lower end point (401) of the outer-side chamfer, and an upper end point (402) of the outer-side chamfer is arranged above the lower end point (401).

3. The parallel-face strong-relief structure according to claim 2, wherein the inner side of the lower end point (401) comprises a concave inverted peak (4011), and the concave inverted peak (4011) has an inverted plane intersection point (4012) in the demolding direction.

4. The parallel plane yield structure according to claim 3, wherein the line between the lower end point (401) and the upper end point (402) is parallel to the line between the highest point (4011) and the intersection point (4012).

5. The parallel surface forced-disengaging structure according to claim 1, wherein the ejection mechanism (6) comprises an ejection seat (601), an air cylinder (602) is installed at the upper end of the ejection seat (601), and an expansion link (603) is installed in the air cylinder (602).

6. The parallel-face positive-relief structure according to claim 1 or 5, characterized in that the maximum distance of the ejection mechanism (6) cannot exceed the length of the product housing (8).