CN217293281U - Four-wheel electric vehicle high-strength outer covering plastic part mold with side core-pulling mechanism - Google Patents

Abstract

The utility model provides a four-wheel electric vehicle high strength outer covering moulds a mould with side mechanism of loosing core belongs to mould technical field. The forming die comprises an upper die plate and a lower die plate, wherein two inward-concave upper forming surfaces are arranged on the upper die plate, two outward-convex lower forming surfaces are arranged on the lower die plate, and the upper forming surfaces and the lower forming surfaces are combined to form a forming cavity. Two molding cavities formed by combining the upper molding surface and the lower molding surface can be used for injection molding two outer covering plastic parts with fasteners at one time, and when a thimble fixing plate in the side core-pulling type ejection mechanism moves upwards, the side core-pulling ejection assembly on the thimble fixing plate is matched with the straight ejection assembly to eject a product and separate the fastener from the lower template in the ejection process, so that the side core-pulling mechanism is not required to be additionally arranged, the structure is simple, and the use is convenient.

Description

Four-wheel electric vehicle high-strength outer covering plastic part mold with side core-pulling mechanism

Technical Field

The utility model belongs to the technical field of the mould, a four-wheel electric vehicle high strength outer covering moulds a mould with side core pulling mechanism is related to.

Background

The piece is generally through injection moulding to the outer cover of four-wheel electric motor car, and the piece is moulded to the outer cover need be moulding a plurality of fasteners of inboard formation when moulding plastics to the piece is moulded to the outer cover and is installed, and mould among the prior art will form the fastener and need set up the side mechanism of loosing core, need loose core through the side mechanism when the product is ejecting, nevertheless because mould the inboard fastener that needs to set up a plurality of not equidirectional, consequently set up the manufacturing degree of difficulty that the side mechanism of loosing core can increase the mould.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses a mold side core-pulling mechanism [ application number: 201520802499.8], including the body, the body includes the mold insert, drive division and guide pillar, be provided with the shaping face that is used for injection molding part shaping in the mold insert, drive division drive mold insert moves to the die carrier outward, be provided with on the mold insert with guide pillar complex guide pillar hole, the mold insert is provided with first hook piece on the die joint of core and die cavity, the body is provided with on core or die cavity with first hook piece complex second hook piece, first hook piece slides with the second hook piece and is connected, first hook piece and second hook piece prevent the separation of core and die cavity, nevertheless also have above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a four-wheel electric vehicle high strength outer covering moulds a mould with side mechanism of loosing core is provided.

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

the utility model provides a four-wheel electric motor car high strength outer covering moulds a mould with mechanism is loosed core to side, includes cope match-plate pattern and lower bolster, the cope match-plate pattern on be equipped with two inside sunken last shaping faces, the lower bolster on be equipped with two outside convex lower shaping faces, last shaping face and lower shaping face combination form the die cavity, the lower bolster on be equipped with the side ejection mechanism of loosing core that inserts to the die cavity, the side ejection mechanism of loosing core including setting up the bottom plate in the lower bolster downside, the bottom plate on be equipped with ejector pin fixed plate, ejector pin fixed plate on be equipped with the side ejection subassembly of loosing core and the ejection subassembly of straight top that links to each other with the die cavity.

In the high-strength outer covering plastic part die with the side core-pulling mechanism for the four-wheel electric vehicle, the lower forming surface is provided with the front fastener forming groove, the outer fastener forming groove and the inner fastener forming groove.

In the high-strength outer covering plastic part die with the side core pulling mechanism for the four-wheel electric vehicle, the side core pulling ejection assembly comprises a front core pulling rod, an outer core pulling rod and an inner core pulling rod, the lower die plate is provided with a front core pulling groove, an outer core pulling groove and an inner core pulling groove which are respectively connected with the front fastener forming groove, the outer fastener forming groove and the inner fastener forming groove, the front core pulling rod, the outer core pulling rod and the inner core pulling rod are respectively inserted into the front core pulling groove, the outer core pulling groove and the inner core pulling groove, a first fastener forming structure is arranged at the connection position of the front core pulling rod and the front fastener forming groove, a second fastener forming structure is arranged at the connection position of the outer core pulling rod and the outer fastener forming groove, and a second fastener forming structure is also arranged at the connection position of the inner core pulling rod and the inner fastener forming groove.

In the high-strength outer covering plastic part die with the side core-pulling mechanism for the four-wheel electric vehicle, the front core-pulling groove, the outer core-pulling groove and the inner core-pulling groove are obliquely arranged.

In the high-strength outer covering plastic part die with the side core pulling mechanism for the four-wheel electric vehicle, the outer core pulling rod and the inner core pulling rod are arranged in opposite directions.

In foretell four-wheel electric vehicle high strength outer cover that has side mechanism of loosing core moulds a mould, a fastener shaping structure including set up a draw-bar front side in the front draw-bar groove shaping piece, a draw-bar groove shaping piece on link firmly No. two draw-bar groove shaping pieces, No. two draw-bar groove shaping pieces on be equipped with No. three draw-bar groove shaping pieces that the cross-section is type of protruding, No. three draw-bar groove shaping piece outer end and preceding fastener shaping inslot wall support and lean on.

In foretell four-wheel electric vehicle high strength outer cover that has side mechanism of loosing core moulds a mould, No. two fastener shaping structures include draw-in groove one-tenth piece and draw-in groove one-tenth piece down, last draw-in groove one-tenth piece and draw-in groove one-tenth piece down between have a strengthening rib one-tenth groove, draw-in groove one-tenth piece down on still link firmly the section and be the No. four draw-in groove one-tenth pieces of rectangle, last draw-in groove one-tenth piece and No. four draw-in groove one-tenth piece outer end and outer core pulling groove or interior core pulling inslot inner wall support and lean on.

In the high-strength outer covering plastic part die with the side core-pulling mechanism for the four-wheel electric vehicle, the top of the front core-pulling rod, the top of the outer core-pulling rod and the top of the inner core-pulling rod are flush with the upper end surface of the lower forming surface.

In the high-strength outer covering plastic part die with the side core-pulling mechanism for the four-wheel electric vehicle, the front core-pulling rod, the outer core-pulling rod, the inner core-pulling rod and the thimble fixing plate are hinged.

In the high-strength outer covering plastic part mould with the side core-pulling mechanism for the four-wheel electric vehicle, the straight ejection component comprises a plurality of straight ejector rods vertically arranged on the ejector pin fixing plate, and the tops of the straight ejector rods penetrate through the lower template and are flush with the top of the lower forming surface.

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

1. two molding cavities formed by combining the upper molding surface and the lower molding surface can be used for injection molding two outer covering plastic parts with fasteners at one time, and when a thimble fixing plate in the side core-pulling type ejection mechanism moves upwards, the side core-pulling ejection assembly on the thimble fixing plate is matched with the straight ejection assembly to eject a product and separate the fastener from the lower template in the ejection process, so that the side core-pulling mechanism is not required to be additionally arranged, the structure is simple, and the use is convenient.

2. Fastener shaping groove can be before moulding the inboard shaping of a piece and go out the fastener before a fastener shaping structure cooperation, and No. two fastener shaping structures cooperate outer loose core groove or interior loose core groove can be moulding the inboard shaping of a piece and go out outer fastener and interior fastener, and preceding fastener, outer fastener and interior fastener cooperation can be with moulding the piece and stably install on the electric motor car.

3. When the thimble fixing plate moves upwards, the front core-pulling rod, the outer core-pulling rod and the inner core-pulling rod can be pushed to move upwards along the front core-pulling groove, the outer core-pulling groove and the inner core-pulling groove which are arranged obliquely respectively, so that a product can be ejected out, and meanwhile, the product can be gradually away from a fastener on the inner side of the plastic part in the horizontal direction until the product is completely separated from the fastener.

4. A draw-in groove becomes three draw-in groove that piece, No. two draw-in groove become one and No. three draw-in groove becomes one and can form the echelonment on the fastener, and No. three draw-in groove becomes one and can go out the notch that runs through on the fastener to connecting piece joint on fastener and the electric motor car.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic structural view of the lower template;

FIG. 3 is a schematic cross-sectional view of the lower platen;

fig. 4 is a schematic structural view of the side core pulling type ejection mechanism;

FIG. 5 is a schematic structural view of an outer draw-out core rod;

fig. 6 is a schematic structural view of the front core pulling rod.

In the figure, an upper template 1, a lower template 2, a lower molding surface 3, a side core pulling type ejection mechanism 4, a bottom plate 5, an ejector pin fixing plate 6, a side core pulling ejection assembly 7, a straight ejection assembly 8, a front fastener molding groove 9, an outer fastener molding groove 10, an inner fastener molding groove 11, a front core pulling rod 12, an outer core pulling rod 13, an inner core pulling rod 14, an outer core pulling groove 15, a first fastener molding structure 16, a second fastener molding structure 17, a first card groove molding block 18, a second card groove molding block 19, a third card groove molding block 20, an upper card groove molding block 21, a lower card groove molding block 22, a reinforcing rib molding groove 23, a fourth card groove molding block 24 and a straight ejector rod 25.

Detailed Description

As shown in fig. 1-4, a four-wheel electric vehicle high-strength outer covering plastic part mould with a side core-pulling mechanism comprises an upper mould plate 1 and a lower mould plate 2, wherein the upper mould plate 1 is provided with two inward-concave upper forming surfaces, the lower mould plate 2 is provided with two outward-convex lower forming surfaces 3, the upper forming surfaces and the lower forming surfaces 3 are combined to form a forming cavity, the lower mould plate 2 is provided with a side core-pulling ejection mechanism 4 inserted into the forming cavity, the side core-pulling ejection mechanism 4 comprises a bottom plate 5 arranged on the lower side of the lower mould plate 2, the bottom plate 5 is provided with a thimble fixing plate 6, and the thimble fixing plate 6 is provided with a side core-pulling assembly 7 and a straight ejection assembly 8 connected with the forming cavity.

In this embodiment, two molding cavities that go up the shaping face and form with the combination of lower shaping face can once injection moulding two have the outer covering of fastener to mould the piece, and when 6 upward movements of thimble fixed plate in the formula ejection mechanism are loosed core to the side on the thimble fixed plate, the ejecting subassembly of side loose core cooperation straight top on the thimble fixed plate can be ejecting with the product and make fastener and lower bolster separation ejecting, need not additionally to set up the mechanism of loosing core of side, and simple structure, convenient to use.

Specifically, as shown in fig. 1 to 4, the lower molding surface 3 is provided with a front fastener molding groove 9, an outer fastener molding groove 10, and an inner fastener molding groove 11. The front fastener forming groove 9, the outer fastener forming groove 10 and the inner fastener forming groove 11 can be used for forming fasteners with different directions on the inner side of the plastic part.

Specifically, as shown in fig. 2 to 6, the side core-pulling ejection assembly 7 includes a front core-pulling rod 12, an outer core-pulling rod 13, and an inner core-pulling rod 14, the lower mold plate 2 is provided with a front core-pulling groove, an outer core-pulling groove 15, and an inner core-pulling groove, which are respectively connected to the front fastener molding groove 9, the outer fastener molding groove 10, and the inner fastener molding groove 11, the front core-pulling rod 12, the outer core-pulling rod 13, and the inner core-pulling rod 14 are respectively inserted into the front core-pulling groove, the outer core-pulling groove 15, and the inner core-pulling groove, a first fastener molding structure 16 is provided at a connection point of the front core-pulling rod 12 and the front fastener molding groove 9, a second fastener molding structure 17 is provided at a connection point of the outer core-pulling rod 13 and the outer fastener molding groove 10, and a second fastener molding structure 17 is also provided at a connection point of the inner core-pulling rod 14 and the inner fastener molding groove 11. The first fastener forming structure 16 is matched with the front fastener forming groove to form a front fastener on the inner side of the plastic part, the second fastener forming structure 17 is matched with the outer core pulling groove 15 or the inner core pulling groove to form an outer fastener and an inner fastener on the inner side of the plastic part, and the front fastener, the outer fastener and the inner fastener are matched to stably mount the plastic part on the electric vehicle; the front core-pulling groove, the outer core-pulling groove 15 and the inner core-pulling groove are obliquely arranged, and the outer core-pulling rod 13 and the inner core-pulling rod 14 are reversely arranged. When the thimble fixing plate moves upwards, the front core-pulling rod 12, the outer core-pulling rod 13 and the inner core-pulling rod 14 can be pushed to move upwards along the front core-pulling groove, the outer core-pulling groove 15 and the inner core-pulling groove which are arranged obliquely respectively, so that a product can be ejected out and simultaneously be gradually far away from a fastener on the inner side of the plastic part in the horizontal direction until the product is completely separated from the fastener.

Specifically, as shown in fig. 6, the first fastener forming structure 16 includes a first card slot forming block 18 disposed on the front side of the front plunger rod 12, the first card slot forming block 18 is fixedly connected with a second card slot forming block 19, the second card slot forming block 19 is provided with a third card slot forming block 20 having a convex cross section, and the outer end of the third card slot forming block 20 abuts against the inner wall of the front fastener forming slot 9. A card groove becomes three draw-in groove that piece 18, No. two card groove become piece 19 and No. three card groove become piece 20 can form the echelonment on the fastener, and No. three card groove becomes piece 20 and goes out the notch that runs through on the fastener to connecting piece joint on fastener and the electric motor car.

Specifically speaking, combine as shown in fig. 5, No. two fastener forming structure 17 includes draw-in groove shaping piece 21 and draw-in groove shaping piece 22 down, draw-in groove shaping piece 21 and draw-in groove shaping piece 22 down between have strengthening rib shaping groove 23, draw-in groove shaping piece 22 down on still link firmly No. four draw-in groove shaping piece 24 that the cross-section is the rectangle, draw-in groove shaping piece 21 and No. four draw-in groove shaping piece 24 outer end and outer core extraction groove 15 or the interior core extraction inslot wall of loosing and lean on. Go up draw-in groove shaping piece 21 and draw-in groove shaping piece 22 cooperation down and can form the recess that two degree of depth are different on the fastener, go up the strengthening rib shaping groove 23 between draw-in groove shaping piece 21 and the draw-in groove shaping piece 22 down and can form the strengthening rib in order to increase the intensity of fastener on the fastener, No. four draw-in groove shaping piece 24 can form the cell body that runs through on the fastener to be convenient for the connecting piece joint on fastener and the electric motor car.

Specifically, as shown in fig. 2 to 4, the top of the front plunger rod 12, the top of the outer plunger rod 13, and the top of the inner plunger rod 14 are flush with the upper end surface of the lower molding surface 3. The front core-pulling rod 12, the outer core-pulling rod 13, the inner core-pulling rod 14 and the thimble fixing plate 6 are hinged so as to facilitate the angle adjustment of the front core-pulling rod 12, the outer core-pulling rod 13 and the inner core-pulling rod 14 during the movement.

Specifically, as shown in fig. 2 to 4, the straight ejection assembly 8 includes a plurality of straight ejector rods 25 vertically disposed on the ejector fixing plate 6, and tops of the straight ejector rods 25 penetrate through the lower mold plate 2 and are flush with tops of the lower molding surfaces 3. When the thimble fixing plate moves upwards, the straight ejector rod can be driven to move vertically upwards so as to be matched with the front core-pulling rod 12, the outer core-pulling rod 13 and the inner core-pulling rod 14 to eject a product from the upper template.

The utility model discloses a theory of operation is: the two molding cavities formed by combining the upper molding surface and the lower molding surface can be used for injection molding two outer covering plastic parts with fasteners at one time, when the thimble fixing plate 6 in the side core-pulling type ejection mechanism moves upwards, the side core-pulling ejection assembly on the thimble fixing plate can eject a product and separate the fastener from the lower template while ejecting the product by matching with the straight ejection assembly, and the side core-pulling mechanism does not need to be additionally arranged, and the structure is simple and convenient to use;

the front fastener forming groove 9, the outer fastener forming groove 10 and the inner fastener forming groove 11 can be used for forming fasteners with different directions on the inner side of a plastic part, the first fastener forming structure 16 can form a front fastener on the inner side of the plastic part in cooperation with the front fastener forming groove, the second fastener forming structure 17 can form an outer fastener and an inner fastener on the inner side of the plastic part in cooperation with the outer core pulling groove 15 or the inner core pulling groove, the front fastener, the outer fastener and the inner fastener can be stably installed on the electric vehicle in cooperation, when the thimble fixing plate moves upwards, the front core pulling rod 12, the outer core pulling rod 13 and the inner core pulling rod 14 can be pushed to move upwards obliquely along the obliquely arranged front core pulling groove, the outer core pulling groove 15 and the inner core pulling groove respectively, so that the fasteners on the inner side of the plastic part can be gradually kept away from the horizontal direction while products are ejected until the fasteners are completely separated from the fasteners;

the first card slot forming block 18, the second card slot forming block 19 and the third card slot forming block 20 can form three stepped slots on the fastener, the third card slot forming block 20 can form a through slot on the fastener so as to facilitate the fastening of the fastener and a connecting piece on an electric vehicle, the upper card slot forming block 21 and the lower card slot forming block 22 can form two grooves with different depths on the fastener in a matching way, the reinforcing rib forming slot 23 between the upper card slot forming block 21 and the lower card slot forming block 22 can form a reinforcing rib on the fastener so as to increase the strength of the fastener, the fourth card slot forming block 24 can form a through slot body on the fastener so as to facilitate the fastening of the fastener and the connecting piece on the electric vehicle, the front drawing core rod 12, the outer drawing core rod 13 and the inner drawing core rod 14 are hinged with the thimble fixing plate 6 so as to facilitate the angle adjustment of the front drawing core rod 12, the outer drawing core rod 13 and the inner drawing core rod 14 during the movement, when the thimble fixing plate moves upwards, the straight ejector rod can be driven to move vertically upwards so as to be matched with the front core-pulling rod 12, the outer core-pulling rod 13 and the inner core-pulling rod 14 to eject a product from the upper template.

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 upper mold plate 1, the lower mold plate 2, the lower molding surface 3, the side core-pulling type ejection mechanism 4, the bottom plate 5, the thimble fixing plate 6, the side core-pulling ejection assembly 7, the straight ejection assembly 8, the front fastener molding groove 9, the outer fastener molding groove 10, the inner fastener molding groove 11, the front core-pulling bar 12, the outer core-pulling bar 13, the inner core-pulling bar 14, the outer core-pulling bar groove 15, the first fastener molding structure 16, the second fastener molding structure 17, the first card groove molding block 18, the second card groove molding block 19, the third card groove molding block 20, the upper card groove molding block 21, the lower card groove molding block 22, the reinforcing rib molding groove 23, the fourth card groove molding block 24, the straight ejector rod 25, etc. are used more often, these terms are used only for more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims (10)

1. The utility model provides a four-wheel electric motor car high strength outer covering moulds a mould with side core pulling mechanism, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, cope match-plate pattern (1) on be equipped with two inside sunken last shaping surfaces, lower bolster (2) on be equipped with two outside convex lower shaping surfaces (3), last shaping surface and lower shaping surface (3) combination form the die cavity, lower bolster (2) on be equipped with side core pulling ejection mechanism (4) of inserting to the die cavity, side core pulling ejection mechanism (4) including setting up bottom plate (5) of lower bolster (2) downside, bottom plate (5) on be equipped with ejector pin fixing plate (6), ejector pin fixing plate (6) on be equipped with side core pulling ejection assembly (7) and straight ejection assembly (8) that link to each other with the die cavity.

2. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 1, wherein a front fastener forming groove (9), an outer fastener forming groove (10) and an inner fastener forming groove (11) are formed in the lower forming surface (3).

3. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 2, wherein the side core pulling and ejecting assembly (7) comprises a front core pulling rod (12), an outer core pulling rod (13) and an inner core pulling rod (14), the lower mold plate (2) is provided with a front core pulling groove, an outer core pulling groove (15) and an inner core pulling groove which are respectively connected with the front fastener molding groove (9), the outer fastener molding groove (10) and the inner fastener molding groove (11), the front core pulling rod (12), the outer core pulling rod (13) and the inner core pulling rod (14) are respectively inserted into the front core pulling groove, the outer core pulling groove (15) and the inner core pulling groove, a first fastener molding core rod structure (16) is arranged at the connection position of the front core pulling rod (12) and the front fastener molding groove (9), and a second fastener molding structure (17) is arranged at the connection position of the outer core pulling rod (13) and the outer fastener molding groove (10), the connection part of the inner core pulling rod (14) and the inner fastener forming groove (11) is also provided with a second fastener forming structure (17).

4. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 3, characterized in that the front core pulling groove, the outer core pulling groove (15) and the inner core pulling groove are obliquely arranged.

5. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 3, wherein the outer core pulling rod (13) and the inner core pulling rod (14) are arranged in opposite directions.

6. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 3, wherein the first fastener forming structure (16) comprises a first card slot forming block (18) arranged on the front side of the front core pulling rod (12), a second card slot forming block (19) is fixedly connected to the first card slot forming block (18), a third card slot forming block (20) with a convex cross section is arranged on the second card slot forming block (19), and the outer end of the third card slot forming block (20) is abutted to the inner wall of the front fastener forming slot (9).

7. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 6, wherein the second fastener forming structure (17) comprises an upper clamping groove forming block (21) and a lower clamping groove forming block (22), a reinforcing rib forming groove (23) is formed between the upper clamping groove forming block (21) and the lower clamping groove forming block (22), the lower clamping groove forming block (22) is fixedly connected with a fourth clamping groove forming block (24) with a rectangular cross section, and the outer end of the upper clamping groove forming block (21) and the outer end of the fourth clamping groove forming block (24) abut against the outer core pulling groove (15) or the inner core pulling groove inner wall.

8. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 3, characterized in that the tops of the front core pulling rod (12), the outer core pulling rod (13) and the inner core pulling rod (14) are flush with the upper end surface of the lower molding surface (3).

9. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 8, wherein the front core pulling rod (12), the outer core pulling rod (13), the inner core pulling rod (14) and the ejector pin fixing plate (6) are hinged.

10. The four-wheel electric vehicle high-strength outer covering plastic part mold with the side core pulling mechanism according to claim 1, wherein the straight ejection assembly (8) comprises a plurality of straight ejector rods (25) vertically arranged on the ejector pin fixing plate (6), and the tops of the straight ejector rods (25) penetrate through the lower mold plate (2) and are flush with the tops of the lower molding surfaces (3).

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