CN211221805U - One-to-two die for manufacturing decorative plate of electric vehicle - Google Patents

Abstract

The utility model provides a go out two moulds for making electric motor car decorative board belongs to the injection mould field. It includes movable mould board and fixed die plate, movable mould board on be equipped with two first shaping faces that oppose each other, first shaping face between have the pouring basin of setting in the movable mould board, the pouring basin on wear to be equipped with a plurality of spread grooves, the both ends of every spread groove communicate with two first shaping faces respectively, first shaping face from the one side that is close to the pouring basin to the opposite side by low to high extension, one side that the pouring basin was kept away from to every first shaping face is connected with the second shaping face, two second shaping faces oppose each other, second shaping face from the one side that is close to the pouring basin to the opposite side by low to high extension, just the both ends of second shaping face first closed angle and second closed angle have respectively.

Description

One-to-two die for manufacturing decorative plate of electric vehicle

Technical Field

The utility model belongs to the injection mould field especially relates to a go out two moulds for making electric motor car decorative board.

Background

At the in-process of preparation electric motor car, under the prerequisite of guaranteeing the electric motor car quality, install the both sides of placing at the electric motor car shell of a plurality of decorative board and symmetry additional, in the mould that is used for making the decorative board at present, often only design a shaping face, once mould plastics and can only mould plastics a decorative board and mould a lower efficiency, and because the decorative board symmetry on electric motor car both sides, consequently need two moulds to take shape the decorative board of different positions respectively and mould a piece.

For example, chinese patent document discloses a bottom pouring mechanism for a decorative part mold of an electric vehicle [ patent application No.: CN201721861809.9], the die comprises an upper die plate and a lower die plate, a die cavity is arranged below the upper die plate, die pins are arranged on the lower die plate, a die core is arranged on the die pins, a gap between the die core and the die cavity forms a die cavity, an ejector pin plate and an ejector pin base plate are arranged between the die pins, an inclined ejector pin is connected to the ejector pin plate, a sunken groove runner is arranged in the die core, the sunken groove runner is communicated with the die cavity, an outer slide block is arranged on one side of the die core, an inclined guide hole is arranged in the outer slide block, an inclined guide rod is connected to the lower portion of the die cavity, the inclined guide rod is matched with the inclined guide hole, a runner insert is. The bottom of the runner is poured, pouring is fully performed, the pouring gate (excess material) is left at the bottom of the inner side of the product, the surface of the product is smooth and traceless, and the appearance is attractive. But the mould can only form one plastic part by one-time injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a two moulds of play for making electric motor car decorative board.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a go out two moulds for making electric motor car decorative board, includes movable mould board and fixed die plate, movable mould board on be equipped with two first shaping faces that oppose each other, first shaping face between have the casting groove of setting in the movable mould board, the casting groove on wear to be equipped with a plurality of spread grooves, the both ends of every spread groove communicate with two first shaping faces respectively, first shaping face from one side to the opposite side by low to high extension that is close to the casting groove, one side that the casting groove was kept away from to every first shaping face is connected with the second shaping face, two second shaping faces are the opposition each other, second shaping face from one side to the opposite side by low to high extension that is close to the casting groove, just the both ends of second shaping face first closed angle and second closed angle have respectively.

In the above one-to-two mold for manufacturing the decorative plate of the electric vehicle, the first sharp angle on each second molding surface is larger than the second sharp angle, and the lengths of the two end surfaces forming the first sharp angle on the second molding surface are smaller than the lengths of the two end surfaces forming the second sharp angle on the second molding surface.

In the above-mentioned one goes out two moulds for making electric motor car decorative board, the one side that the pouring basin was kept away from to the second shaping face be connected with the welt face, the tip that the welt face is close to the second closed angle be equipped with first lug, the terminal surface that first lug is close to the fixed die plate be the step form.

In the above one-out-two mold for manufacturing the decorative plate of the electric vehicle, the joint of the welt surface and the second forming surface is further provided with a first clamping groove, the first clamping groove extends towards the inner side of the movable template along the axial direction of the movable template, and the first clamping groove is connected with two second clamping grooves extending towards the corresponding second forming surface.

In foretell a go out two moulds for making electric motor car decorative board, welt face in swing joint have oblique kicking block, oblique kicking block extend into corresponding first draw-in groove in, just oblique kicking block extend and be equipped with a plurality of protruding axle on the terminal surface in the first draw-in groove.

In the above-mentioned a go out two moulds for making electric motor car decorative board, the side of first draw-in groove have two second lugs that set up on the welt face, have the third draw-in groove between two second lugs, the third draw-in groove extend to the movable mould inboard along the movable mould board axial, just the degree of depth of third draw-in groove be less than the degree of depth of first draw-in groove and second draw-in groove.

In foretell a play two moulds for making electric motor car decorative board, second shaping face on be equipped with the circular slot that a plurality of extends to the movable mould inboard along the movable mould board axial, the circular slot be connected with four limit grooves, and four limit grooves connect and form the cross.

In the first and second dies for manufacturing the decorative plate of the electric vehicle, the round shaft is placed in each round groove, the round shaft and the round grooves are placed in a concentric manner, and the distances between the round shaft and the four side grooves are the same.

In the one-out-two die for manufacturing the decorative plate of the electric vehicle, the first forming surface, the second forming surface, the pouring groove and the connecting groove are connected with a plurality of ejector rods movably connected with the movable template.

In the above one-out-two mold for manufacturing the decorative plate of the electric vehicle, an edge digging block protruding on the movable mold plate is further connected between one first forming surface and the corresponding second forming surface.

Compared with the prior art, the utility model has the advantages of:

1. the utility model provides a movable mould board is last to have two first shaping faces of mutual opposition, has the pouring basin of setting in the movable mould board between two first shaping faces, the pouring basin on wear to be equipped with a plurality of spread grooves, the both ends of every spread groove communicate with two first shaping faces respectively, at the in-process of moulding plastics, the liquid of moulding plastics pours into two first shaping faces simultaneously into through pouring basin and spread groove to once injection moulding moulds the piece for two independent decorative boards.

2. The utility model provides a be connected with a plurality of and movable mould board swing joint's ejector pin on first shaping face, second shaping face, pouring basin and the spread groove, at the drawing of patterns in-process, the piece part of moulding on a plurality of ejector pin simultaneously ejecting first shaping face, second shaping face, pouring basin and the spread groove makes the piece of moulding distribute ejecting required power at ejecting in-process, prevents to lead to the too big damage of the power of ejector pin top on moulding because the ejector pin is too few to mould the piece.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic top view of a moving platen;

FIG. 3 is a schematic view of another orientation of the moving platen;

fig. 4 is a schematic structural view of the lifter block.

In the figure: the device comprises a movable mould plate 10, a fixed mould plate 11, a first forming surface 12, a pouring groove 13, a connecting groove 14, a second forming surface 15, a first sharp corner 16, a second sharp corner 17, a welt surface 18, a first convex block 19, a first clamping groove 20, a second clamping groove 21, an inclined top block 22, a convex shaft 23, a third clamping groove 24, a circular groove 25, an edge groove 26, a circular shaft 27, a top rod 28, an edge digging block 29 and a second convex block 30.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-4, a one-out-two mold for manufacturing a decorative plate of an electric vehicle comprises a movable mold plate 10 and a fixed mold plate 11, the movable mould plate 10 is provided with two first forming surfaces 12 which are opposite to each other, a pouring groove 13 arranged in the movable mould plate is arranged between the first forming surfaces 12, a plurality of connecting grooves 14 are arranged on the pouring groove 13 in a penetrating way, two ends of each connecting groove 14 are respectively communicated with the two first forming surfaces 12, the first forming surfaces 12 extend from one side close to the casting groove 13 to the other side from low to high, one side of each first forming surface 12 far away from the casting groove 13 is connected with a second forming surface 15, the two second forming surfaces 15 are opposite to each other, said second shaped surface 15 extends from low to high from one side close to the casting trough 13 to the other side, and said second shaped surface 15 has at its two ends a first cusp 16 and a second cusp 17, respectively.

In this example, injection liquid is poured into the pouring trough 13, injected into the first forming surfaces 12 on both sides through the connecting trough 14, and poured onto the second forming surfaces 15 along the first forming surfaces 12, so as to form two independent plastic parts in one injection process, and during the injection process, the injection liquid is slowly filled into the first forming surfaces 12 and the second forming surfaces 15 from low to high along the axial direction of the movable mold plate 10, during the forming process, the first sharp corners 16 and the second sharp corners 17 on both ends of the second forming surfaces 15 form two end angles of the plastic part, so that the plastic part is in a diamond-like shape with two small ends and a large middle, and an obtuse angle is formed between two surfaces of the plastic part formed by the first forming surfaces 12 and the second forming surfaces 15.

The first angle 16 on each second shaped surface 15 is greater than the second angle 17 and the length of the two faces of said second shaped surface 15 that form the first angle 16 is less than the length of the two faces of said second shaped surface 15 that form the second angle 17.

In this example, the first sharp corner 16 is an obtuse angle, the second sharp corner 17 is an acute angle, and the molded part formed on the second molding surface 15 has two triangle-like shapes, one of which is an obtuse triangle and the other of which is an acute triangle, and the length of the obtuse triangle is smaller than that of the acute triangle.

One side of the second forming surface 15, which is far away from the pouring trough 13, is connected with an edge attaching surface 18, the end part of the edge attaching surface 18, which is close to the second sharp corner 17, is provided with a first convex block 19, and the end surface of the first convex block 19, which is close to the fixed die plate 11, is step-shaped.

In this example, the injection molding liquid flows over the second molding surface 15 and is injected into the surface of the welt surface 18, the molding part formed on the welt surface 18 is used for being connected with the electric vehicle body, and the molding part is used for the decorative plate of the electric vehicle, in the forming process, as the end surface of the first bump 19 close to the fixed mold plate 11 is in a step shape, a sheet molding part in the step shape is formed on the first bump 19, and the sheet molding part is used for positioning the position of the decorative plate on the electric vehicle body, and the sheet molding part in the step shape can be abutted against the electric vehicle to prevent the decorative plate from sliding when the decorative plate is fixed.

The joint of the welt surface 18 and the second forming surface 15 is further provided with a first clamping groove 20, the first clamping groove 20 extends towards the inner side of the movable template 10 along the axial direction of the movable template 10, and the first clamping groove 20 is connected with two second clamping grooves 21 extending towards the corresponding second forming surfaces 15.

In this example, the injection molding liquid is poured into and is taken shape first cardboard and second cardboard respectively in first draw-in groove 20 and the second draw-in groove 21, and two second cardboards are located the both sides of first cardboard respectively and are perpendicular with first cardboard and place, and this first cardboard and second cardboard can overlap on the electric motor car when installing this decorative board, through the removal of first cardboard and second cardboard restriction decorative board.

The welt face 18 is internally and movably connected with an inclined ejecting block 22, the inclined ejecting block 22 extends into the corresponding first clamping groove 20, and the end face of the inclined ejecting block 22 extending into the first clamping groove 20 is provided with a plurality of protruding shafts 23.

In this example, the injection molding liquid flows into first draw-in groove 20 and covers on oblique kicking block 22, because be equipped with a plurality of protruding axle 23 on the kicking block 22 to one side, consequently have a plurality of perforation on the first cardboard that takes shape, when installing this decorative board, have on the electric motor car because the through-shaft that the perforation corresponds, directly overlap the through-shaft that corresponds with a plurality of perforation on, further restrict the removal of decorative board, make decorative board fixed mounting on the electric motor car body.

The side of the first clamping groove 20 is provided with two second protruding blocks 30 arranged on the welt surface 18, a third clamping groove 24 is arranged between the two second protruding blocks 30, the third clamping groove 24 extends towards the inner side of the movable die plate 10 along the axial direction of the movable die plate 10, and the depth of the third clamping groove 24 is smaller than the depth of the first clamping groove 20 and the depth of the second clamping groove 21.

The second molding surface 15 on be equipped with a plurality of along the axial circular slot 25 to the inboard extension of movable mould board 10, circular slot 25 be connected with four limit grooves 26, and four limit grooves 26 connect and form the cross.

In this example, the liquid of moulding plastics pours into circular slot 25 and four side slots 26 and forms a cylinder and take shape on the cylinder and have four cross cardboards, and when this decorative board of installation, utensil is because the cross circular slot that cylinder and cross cardboard correspond on the electric motor car, overlaps the direct cover of a plurality of cylinder and cross cardboard on the cross circular slot that corresponds, further restricts the removal of decorative board, makes decorative board fixed mounting on the electric motor car body.

A round shaft 27 is arranged in each round groove 25, the round shaft 27 and the round grooves 25 are arranged in a concentric mode, and the distances between the round shaft 27 and the four side grooves 26 are the same.

In this example, a cylinder groove is formed in the cylinder formed by the circular groove 25, and a cylinder groove is formed in the cylinder due to the circular shaft 27, and when the decorative plate is installed, the electric vehicle is provided with a cylinder corresponding to the cylinder groove, so that the movement of the decorative plate is further limited, and the decorative plate is fixedly installed on the electric vehicle body.

The first forming surface 12, the second forming surface 15, the pouring trough 13 and the connecting trough 14 are connected with a plurality of push rods 28 movably connected with the movable mould plate 10.

In the demolding process, the plurality of ejector rods 28 eject the plastic part on the first molding surface 12, the second molding surface 15, the pouring groove 13 and the connecting groove 14 at the same time, so that the force required by ejection of the plastic part is distributed in the ejection process, and the plastic part is prevented from being damaged due to overlarge force of the ejector rods on the plastic part caused by too few ejector rods.

An edge digging block 29 protruding on the movable template 10 is further connected between one first forming surface 12 and the corresponding second forming surface 15.

In this example, although the electric vehicle body is symmetrical along the central line thereof, the two sides of the electric vehicle are slightly different due to the existence of the placing feet, and in order to prevent the decorative plate from being unable to be mounted on the electric vehicle body due to the difference, the edge digging block 29 is arranged between one of the first molding surfaces 12 and the corresponding second molding surface 15, and during molding, the area of the original part of the molding member is hollowed out and not molded.

The utility model discloses a theory of operation: the injection molding liquid is injected into the pouring groove 13, the injection molding liquid is injected into the first molding surfaces 12 on two sides through the connecting groove 14, the injection molding liquid is injected onto the second molding surfaces 15 along the first molding surfaces 12, so that two independent molding pieces are formed in one injection molding process, in the injection molding process, the injection molding liquid is gradually injected into the first molding surfaces 12 and the second molding surfaces 15 from low to high along the axial direction of the movable mold plate 10, in the forming process, the first sharp corners 16 and the second sharp corners 17 at two ends of the second molding surfaces 15 form two end angles of the molding pieces, so that the molding pieces are in a diamond-like shape with two small ends and a large middle, and an obtuse angle is formed between two surfaces of the molding pieces formed by the first molding surfaces 12 and the second molding surfaces 15.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the movable die plate 10, the fixed die plate 11, the first forming surface 12, the pouring slot 13, the connecting slot 14, the second forming surface 15, the first sharp corner 16, the second sharp corner 17, the welt surface 18, the first projection 19, the first clamping slot 20, the second clamping slot 21, the slanted ejecting block 22, the protruding shaft 23, the third clamping slot 24, the circular slot 25, the side slot 26, the circular shaft 27, the ejecting rod 28, the edge-cutting block 29, the second projection 30, etc., are used more frequently herein, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. A one goes out two moulds for making electric motor car decorative board, includes movable mould board (10) and fixed die plate (11), characterized in that, movable mould board (10) on be equipped with two first shaping face (12) of mutual opposition, first shaping face (12) between have casting trough (13) of setting in movable mould board, casting trough (13) on wear to be equipped with a plurality of spread groove (14), the both ends of every spread groove (14) communicate with two first shaping face (12) respectively, first shaping face (12) from being close to one side of casting trough (13) to opposite side from low to high extension, one side that casting trough (13) was kept away from to each first shaping face (12) is connected with second shaping face (15), two second shaping face (15) mutual opposition, second shaping face (15) from being close to one side of casting trough (13) to opposite side from low to high extension, and the two ends of the second forming surface (15) are respectively provided with a first sharp corner (16) and a second sharp corner (17).

2. A two-part mold for making decorative panels for electric vehicles according to claim 1, wherein the angle of the first sharp corner (16) on each second shaped surface (15) is greater than the angle of the second sharp corner (17), and the length of the two end surfaces of the second shaped surface (15) forming the first sharp corner (16) is less than the length of the two end surfaces of the second shaped surface (15) forming the second sharp corner (17).

3. The two-mold manufacturing mold for manufacturing the decorative plate of the electric vehicle as claimed in claim 2, wherein one side of the second molding surface (15) far away from the casting groove (13) is connected with an edge attaching surface (18), the end part of the edge attaching surface (18) close to the second sharp corner (17) is provided with a first convex block (19), and the end surface of the first convex block (19) close to the fixed mold plate (11) is step-shaped.

4. A mold for manufacturing decorative panels of electric vehicles according to claim 3, wherein the joint of the facing surface (18) and the second molding surface (15) is further provided with a first engaging groove (20), the first engaging groove (20) extends along the axial direction of the movable platen (10) towards the inner side of the movable platen (10), and two second engaging grooves (21) extending towards the corresponding second molding surface (15) are connected to the first engaging groove (20).

5. The one-out-two die for manufacturing the decorative plate of the electric vehicle as claimed in claim 4, wherein an inclined ejecting block (22) is movably connected in the edge attaching surface (18), the inclined ejecting block (22) extends into the corresponding first clamping groove (20), and a plurality of protruding shafts (23) are arranged on the end surface of the inclined ejecting block (22) extending into the first clamping groove (20).

6. The two-piece mold for manufacturing the decorative plate of the electric vehicle as claimed in claim 5, wherein the first engaging groove (20) has two second protrusions (30) disposed on the facing surface (18) at the side, a third engaging groove (24) is disposed between the two second protrusions (30), the third engaging groove (24) extends along the axial direction of the movable die plate (10) toward the inner side of the movable die plate (10), and the depth of the third engaging groove (24) is smaller than the depths of the first engaging groove (20) and the second engaging groove (21).

7. The one-out-two mold for manufacturing the decorative plate of the electric vehicle as claimed in claim 1, wherein the second molding surface (15) is provided with a plurality of circular grooves (25) extending to the inner side of the movable mold plate (10) along the axial direction of the movable mold plate (10), the circular grooves (25) are connected with four side grooves (26), and the four side grooves (26) are connected to form a cross shape.

8. The mold for manufacturing the decorative plate of the electric vehicle as claimed in claim 7, wherein a circular shaft (27) is placed in each circular groove (25), the circular shaft (27) and the circular groove (25) are coaxially placed, and the distances between the circular shaft (27) and the four side grooves (26) are the same.

9. The one-out-two mold for manufacturing the decorative plate of the electric vehicle as claimed in claim 1, wherein the first forming surface (12), the second forming surface (15), the pouring groove (13) and the connecting groove (14) are connected with a plurality of ejector rods (28) movably connected with the movable mold plate (10).

10. The mold for manufacturing decorative panels of electric vehicles according to claim 1, wherein an edge-cutting block (29) protruding on the movable mold plate (10) is further connected between one of the first forming surfaces (12) and the corresponding second forming surface (15).

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