CN212528576U

CN212528576U - Plastic mold buckling position inclined ejection mold mechanism

Info

Publication number: CN212528576U
Application number: CN202020990750.9U
Authority: CN
Inventors: 黄子乘
Original assignee: Guangzhou Jingliangyi Hardware Products Co ltd
Current assignee: Guangzhou Jingliangyi Hardware Products Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-12
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a plastic mould buckling position inclined ejection mold stripping mechanism which is suitable for forming mold stripping of plastic products with umbrella-shaped buckling positions and comprises a fixed mold plate, a movable mold plate and an inclined ejection assembly, wherein the lower surface of the fixed mold plate is provided with an upper cavity; the movable mould plate is movably arranged below the fixed mould plate, a lower mould cavity communicated with the upper mould cavity is arranged on the movable mould plate, the upper mould cavity and the lower mould cavity correspond to the shape design of a product, and an inclined top hole which penetrates through the movable mould plate up and down is also formed in the movable mould plate; the lifter assembly comprises a lifter base and a lifter frame, the lifter frame is correspondingly inserted into a lifter hole, the lifter frame is fixedly installed at the upper end of the lifter base, the lifter base can move in the vertical direction relative to the movable mould plate, and the lifter base is added, so that the lifter assembly effectively shortens the length of the lifter frame under the condition that the length of the vertical direction is certain, the strength of the lifter is improved, and the service life of the mould is prolonged.

Description

Plastic mold buckling position inclined ejection mold mechanism

Technical Field

The utility model relates to a mould field, concretely relates to plastic mold detains position and pushes up demoulding mechanism to one side.

Background

The injection mold is a jig for quickly molding plastic products and comprises a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, and the movable mold and the fixed mold are separated to take out the plastic products during mold opening.

The demolding of the plastic part products generally adopts the following two methods: one is that the demoulding is carried out by adopting a forced demoulding way under the condition that a plastic part and a structure allow; the other type is not suitable for forced demoulding, if the screw thread is deep, the strength of the plastic part is high, and the requirement on the accuracy of the screw thread is high, the plastic part is demoulded by adopting a rotary demoulding way, and for a product provided with an umbrella-shaped buckling position buckled outwards, the product is umbrella-shaped, and correspondingly, when the plastic part is demoulded by force, an inclined top structure needs to be manufactured for demoulding, and because the buckling position is small and the distance is short, the size and the strength of the inclined top are small, and the structural stability and the service life of the product are further influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming prior art's strong drawing of patterns utensil structure because the outer knot position is less, the distance is close, causes the technical defect that the size of pitched roof structure is little, intensity is weak.

In order to achieve the purpose, the utility model provides a plastic mold buckling position inclined ejection mold stripping mechanism which is suitable for forming mold stripping of plastic products with umbrella-shaped buckling positions and comprises a fixed mold plate, a movable mold plate and an inclined ejection assembly, wherein the lower surface of the fixed mold plate is provided with an upper cavity; the movable mould plate is movably arranged below the fixed mould plate, a lower mould cavity communicated with the upper mould cavity is arranged on the movable mould plate, the upper mould cavity and the lower mould cavity correspond to the shape design of a product, and an inclined top hole which penetrates through the movable mould plate up and down is also formed in the movable mould plate; the lifter assembly comprises a lifter base and a lifter frame, the lifter frame is correspondingly inserted into a lifter hole, the lifter frame is fixedly installed at the upper end of the lifter base, the lifter base can move in the vertical direction relative to the movable mould plate, and the lifter base is added, so that the lifter assembly effectively shortens the length of the lifter frame under the condition that the length of the vertical direction is certain, the strength of the lifter is improved, and the service life of the mould is prolonged.

Furthermore, the inclined top seat is vertically arranged in a column shape, and the inclined top frame is fixedly inserted at the top end of the inclined top seat; the plastic mould buckling position inclined ejection mould mechanism also comprises an ejector plate, the ejector plate is movably arranged below the movable mould plate at intervals, the lower end of the inclined ejector seat is fixedly arranged on the ejector plate, and further the cylindrical inclined ejector seat is adopted, so that the supporting strength of the inclined ejector seat is optimized; meanwhile, the ejector plate can move in the vertical direction relative to the movable template so as to realize the movement of the inclined ejector frame in the movable template.

Furthermore, the movable die plate is elastically connected with the ejector plate, when the movable die plate moves downwards, the movable die plate can apply vertical downward elastic force to the ejector plate, so that the ejector plate has a downward movement trend, products are separated from the upper cavity and the lower cavity respectively, and the effect of dynamic force balance is achieved.

Preferably, a compression spring is connected between the movable die plate and the ejector plate.

Furthermore, the quantity of the inclined top seats and the quantity of the inclined top frames of the inclined top assembly correspond to the quantity of the umbrella-shaped buckling positions of the product respectively, and the inclined top frames are inserted into the inclined top seats in a one-to-one correspondence mode.

Further, when the umbrella-shaped buckling position of the product is an outer buckling position, the inclined top frame gradually inclines outwards along the vertical direction, and the top end of the inclined top frame is placed on the outer side of the outer buckling position in a matched mode; the oblique apical pore on the movable mould board is also offered along vertical direction of making progress gradually to lean out, and when the demolding, the vertical downstream of movable mould board because oblique roof-rack and oblique apical pore upwards lean out gradually along vertical, and then the top of the oblique roof-rack in each group's oblique top subassembly can be along with outside expansion to the demolding of final finished product.

Further, when the umbrella-shaped buckling position of the product is an inner buckling position, the inclined top frame gradually inclines inwards along the vertical direction, and the top end of the inclined top frame is placed on the inner side of the inner buckling position in a matched mode; the oblique apical pore on the movable mould board is also seted up along vertical direction of making progress gradually leanin, and when the demolding, the vertical downstream of movable mould board because oblique roof-rack and oblique apical pore are along vertical upwards gradually inwards inclining, and then the top of the oblique roof-rack in each group's oblique top subassembly can be along with inside expansion to the demolding of final completion product.

The fixed die plate is fixedly arranged below the fixed die mounting plate; the movable mould plate is fixedly arranged above the movable mould mounting plate, and the movable mould mounting plate drives the movable mould plate to move back and forth relative to the fixed mould plate along the vertical direction.

The utility model provides a plastic mold detains position and pushes up demolding mechanism to one side through increasing oblique footstock for the top subassembly is under the certain circumstances of vertical direction length to one side, the effectual length that shortens oblique roof-rack, and then makes the intensity of pushing up to one side obtain improving, has prolonged the life of mould.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the plastic mold buckling position inclined ejection mechanism of the present invention;

fig. 2 is an enlarged cross-sectional view of the plastic mold snap-in angle ejector mechanism of fig. 1.

The reference numerals in the figures are explained below:

1-fixing a template; 2-moving the template; 3-a lifter assembly; 31-a slanted top seat; 32-a sloping roof rack;

4-ejector pin plate; 5-compression spring; 6, mounting a fixed die; 7-moving die mounting plate; 200-products.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 and fig. 2 show an embodiment of an inclined ejecting and demolding mechanism for a plastic mold buckling position, which is suitable for molding and demolding a plastic product 200 with an umbrella-shaped buckling position, and includes a fixed mold plate 1, a movable mold plate 2 and an inclined ejecting assembly 3, wherein an upper cavity (not marked in the figures) is formed in the lower surface of the fixed mold plate 1; the movable mould plate 2 is movably arranged below the fixed mould plate 1, a lower mould cavity (not marked in the figure) communicated with the upper mould cavity is arranged on the movable mould plate 2, the upper mould cavity and the lower mould cavity correspond to the shape design of the product 200, and an inclined top hole (not marked in the figure) which vertically penetrates through the movable mould plate 2 is also formed in the movable mould plate 2; the pitched roof assembly 3 comprises a pitched roof base 31 and a pitched roof frame 32, the pitched roof frame 32 is correspondingly inserted into the pitched roof hole, the pitched roof frame 32 is fixedly installed at the upper end of the pitched roof base 31, and the pitched roof base 31 can move in the vertical direction relative to the movable mould plate 2.

Above-mentioned plastic mold detains position and pushes up demolding mechanism to one side through increasing oblique footstock 31 for push up subassembly 3 to one side under the certain circumstances of vertical direction length, the effectual length that shortens oblique roof frame 32, and then makes the intensity of pushing up to one side obtain improving, has prolonged the life of mould.

Specifically, as shown in fig. 2, the plastic mold buckling position inclined ejection mechanism further comprises an ejector plate 4, a fixed mold mounting plate 6 and a movable mold mounting plate 7, and the fixed mold plate 1 is fixedly mounted below the fixed mold mounting plate 6; the movable mould plate 2 is fixedly arranged above the movable mould mounting plate 7, and the movable mould mounting plate 7 drives the movable mould plate 2 to move back and forth relative to the fixed mould plate 1 along the vertical direction; the ejector plate 4 is movably arranged below the movable mould plate 2 at intervals, the movable mould plate 2 is elastically connected with the ejector plate 4, when the movable mould plate 2 moves downwards, the movable mould plate 2 can apply vertical downward elastic force to the ejector plate 4, and then the ejector plate 4 has the trend of moving downwards, so that the product 200 is finally separated from the upper cavity and the lower cavity respectively, and the effect of dynamic force balance is achieved. In the present embodiment, a compression spring 5 is connected between the movable die plate 2 and the ejector plate 4.

Meanwhile, the quantity of the inclined top seats 31 and the inclined top frames 32 of the inclined top assembly 3 respectively corresponds to the quantity of the umbrella-shaped buckling positions of the product 200, and the inclined top frames 32 are inserted into the inclined top seats 31 in a one-to-one correspondence manner.

As shown in fig. 2, the lower end of the inclined footstock 31 is fixedly mounted on the ejector plate 4, the inclined footstock 31 is vertically arranged in a column shape, the inclined footstock 32 is fixedly inserted at the top end of the inclined footstock 31, and the cylindrical inclined footstock 31 is adopted, so that the supporting strength of the inclined footstock 31 is optimized; and the movement of the inclined upper frame 32 in the movable die plate 2 can be realized by the movement of the ejector plate 4 in the vertical direction relative to the movable die plate 2.

When the umbrella-shaped buckling position of the product 200 is an outer buckling position, the inclined top frame 32 gradually inclines outwards along the vertical direction, and the top end of the inclined top frame 32 is fittingly placed on the outer side of the outer buckling position; the oblique apical pore on the movable mould board 2 is also offered along vertical direction of rising gradually to leaning out, and when the demolding, the vertical downward motion of movable mould board 2 because oblique roof-rack 32 and oblique apical pore upwards lean out gradually along vertical, and then the top of the oblique roof-rack 32 in every group of oblique top subassembly 3 can be along with outside expansion to the demolding of final finished product 200.

When the umbrella-shaped buckling position of the product 200 is an inner buckling position, the inclined top frame 32 gradually inclines inwards along the vertical direction, and the top end of the inclined top frame 32 is placed at the inner side of the inner buckling position in a matching manner; the inclined top hole on the movable mould plate 2 is also gradually inclined inwards along the vertical upward direction, when the mould is removed, the movable mould plate 2 moves vertically downwards, and because the inclined top frame 32 and the inclined top hole are gradually inclined inwards along the vertical upward direction, the top end of the inclined top frame 32 in each group of inclined top assemblies 3 can be expanded inwards, and finally the mould removal of the product 200 is completed.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And any obvious modifications, equivalents, improvements and the like which are obvious from this disclosure are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a plastic mold detains position and pushes up demolding mechanism to one side, is applicable to the shaping demolding that has plastic product (200) that umbrella-type detained the position, its characterized in that includes:

the lower surface of the fixed die plate (1) is provided with an upper die cavity;

the movable mould plate (2) is movably arranged below the fixed mould plate (1), a lower mould cavity communicated with the upper mould cavity is arranged on the movable mould plate (2), the upper mould cavity and the lower mould cavity are designed corresponding to the shape of the product (200), and an inclined top hole penetrating through the movable mould plate (2) up and down is further formed in the movable mould plate (2); and

oblique footstock (3), including oblique footstock (31) and oblique roof-rack (32), what oblique roof-rack (32) correspond inserts and establishes in the oblique apical pore, oblique roof-rack (32) fixed mounting be in the upper end of oblique roof-rack (31), oblique roof-rack (31) can for movable mould board (2) move along vertical direction.

2. The plastic mold buckling position inclined ejection mold mechanism is characterized in that the inclined ejection seat (31) is in a vertically placed column shape, and the inclined ejection frame (32) is fixedly inserted at the top end of the inclined ejection seat (31); the plastic mould buckling position inclined ejection mechanism further comprises an ejector plate (4), the ejector plate (4) is movably arranged below the movable mould plate (2) at intervals, and the lower end of the inclined ejector seat (31) is fixedly installed on the ejector plate (4).

3. The plastic mold snap-on angle ejector mechanism according to claim 2, wherein the movable platen (2) and the ejector plate (4) are elastically connected.

4. The plastic mold clamping and inclined ejection mechanism according to claim 3, wherein a compression spring (5) is connected between the movable mold plate (2) and the ejector plate (4).

5. The plastic mold buckling position inclined ejection mold mechanism according to any one of claims 1 to 4, characterized in that the number of inclined ejection seats (31) and inclined ejection frames (32) of the inclined ejection assembly (3) respectively corresponds to the number of umbrella-shaped buckling positions of the product (200), and the inclined ejection frames (32) are inserted into the inclined ejection seats (31) in a one-to-one correspondence.

6. The plastic mold snap-in angle ejection mechanism according to claim 5, wherein when the umbrella-shaped snap-in position of the product (200) is an external snap-in position, the angle frame (32) is inclined gradually outward along the vertical direction, and the top end of the angle frame (32) is adapted to be placed outside the external snap-in position; the inclined top hole on the movable template (2) is also gradually and obliquely arranged outwards along the vertical upward direction.

7. The plastic mold buckling position inclined ejection die mechanism is characterized in that when the umbrella-shaped buckling position of the product (200) is an inner buckling position, the inclined top frame (32) is inclined inwards gradually along the vertical direction, and the top end of the inclined top frame (32) is placed at the inner side of the inner buckling position in a matching mode; the inclined top hole on the movable template (2) is also formed in a way of gradually inclining inwards along the vertical upward direction.

8. The plastic mold buckling position inclined ejection mold mechanism according to any one of claims 1 to 4, further comprising a fixed mold mounting plate (6) and a movable mold mounting plate (7), wherein the fixed mold plate (1) is fixedly mounted below the fixed mold mounting plate (6); the movable mould plate (2) is fixedly arranged above the movable mould mounting plate (7), and the movable mould mounting plate (7) drives the movable mould plate (2) to move back and forth along the vertical direction relative to the fixed mould plate (1).