CN211279596U

CN211279596U - Large-angle double-rod ejection structure of automobile threshold guard plate

Info

Publication number: CN211279596U
Application number: CN201921771629.0U
Authority: CN
Inventors: 黄伟军; 黄光辉; 陈伟芬; 陈瑞; 郑想; 金星星
Original assignee: Zhejiang Xiang'an Molding Co ltd
Current assignee: Zhejiang Xiang'an Molding Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-18
Anticipated expiration: 2029-10-22

Abstract

The utility model belongs to the technical field of the mould, especially, relate to an automobile threshold backplate wide-angle double-rod ejection structure. The utility model discloses, including cope match-plate pattern, lower bolster, liftout plate and bottom plate, when the compound die, cope match-plate pattern and lower bolster are close to each other and form the die cavity, liftout plate top be equipped with a plurality of two pole ejection assemblies along liftout plate centerline symmetry, two pole ejection assemblies be the slope setting, the position of two pole ejection assemblies and die cavity corresponding, liftout plate top still be equipped with a plurality of auxiliary ejector pins along liftout plate centerline symmetry. The utility model discloses a set up wide-angle ejector pin and supplementary ejector pin, it is ejecting to mould plastics finished piece safety, adopts two poles ejecting, and the cooperation is supplementary the ejector pin, and the biggest angle can be designed about 45 degrees, has increased the intensity of ejector pin, effectively guarantees ejecting security, can solve ejecting angle and be greater than the ejecting mould behind 25 degrees ejecting, has improved ejecting efficiency, reduces and pushes out the fault rate, simple structure.

Description

Large-angle double-rod ejection structure of automobile threshold guard plate

Technical Field

The utility model belongs to the technical field of the mould, a double-rod ejection structure of automobile threshold backplate wide-angle is related to.

Background

In the manufacturing of current automobile threshold backplate, adopt injection mold to produce, among the current automobile threshold backplate mould, adopt single ejector pin structure mostly, do big ejection angle about 30 degrees, in case the oblique ejector pin angle is too big, the ejector pin appears surely curved the condition easily, and the mould has ejecting risk, and it is higher to push out the fault rate, and ejecting efficiency is lower.

In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a chinese patent discloses an ejection mechanism [ application number: 201210479126.2], the ejection structure comprising: the lower ejector plate is arranged on the lower fixing plate of the die; the upper ejection plate is fixedly connected with the lower ejection plate, and a gap is reserved between the upper ejection plate and the lower ejection plate; the limiting blocks are uniformly arranged in a gap between the upper ejection plate and the lower ejection plate; and the countersunk heads at one ends of the thimbles are clamped in the gaps, and the other ends of the thimbles penetrate through the upper ejection plate and the core insert of the die to be contacted with a product. The ejection structure avoids processing a plurality of countersunk holes on the upper ejection plate, thereby avoiding thin iron between the countersunk head and the countersunk head on the upper ejection plate and solving the problem of poor strength of the upper ejection plate when the ejector pins are more. But this scheme still can't solve when doing big ejection angle, the ejector pin appears the condition of surely bending easily, and the mould has ejecting risk, and it is higher to push out the fault rate, and ejection efficiency is lower defect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a double-rod ejection structure of automobile threshold backplate wide-angle is provided.

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

the utility model provides an automobile threshold backplate wide-angle double-rod ejection structure, includes cope match-plate pattern, lower bolster, liftout plate and bottom plate, and when the compound die, cope match-plate pattern and lower bolster are close to each other and form the die cavity, liftout plate top be equipped with a plurality of double-rod ejection assemblies along liftout plate central line symmetry, the double-rod ejection assembly be the slope setting, the position of double-rod ejection assembly and die cavity corresponding, liftout plate top still be equipped with a plurality of auxiliary push rods along liftout plate central line symmetry, auxiliary push rod and liftout plate between mutually perpendicular.

In foretell automobile threshold backplate wide-angle double-rod ejection structure, the ejecting subassembly of double-rod include a plurality of set up in the liftout plate top and along the wide-angle liftout rod of liftout plate central line symmetry, the wide-angle liftout rod be the slope setting, wide-angle liftout rod top be equipped with the slope kicking block, slope kicking block top be smooth level and smooth form, supplementary ejector pin top be equipped with supplementary kicking block.

In the automobile threshold guard plate large-angle double-rod ejection structure, the top of the ejection plate is further provided with a plurality of ejector rod bases symmetrical along the center line of the ejection plate, an ejector rod connecting slide block is slidably arranged in the ejector block base and is connected with a large-angle ejection rod.

In the automobile threshold guard plate large-angle double-rod ejection structure, the top of the bottom plate is provided with a plurality of ejection bottom shafts which are symmetrical along the center line of the bottom plate, the ejection bottom shafts are connected with the ejector rod connecting slide block, the top of the ejection plate is also provided with a plurality of power push rods which are symmetrical along the center of the ejection plate, and the power push rods are in butt fit with the inclined ejection blocks.

In the large-angle double-rod ejection structure for the automobile threshold guard plate, the bottom of the power push rod is provided with a push rod seat, the top of the ejection plate is provided with a plurality of linear drivers which are symmetrical along the center line of the ejection plate, the power shaft of each linear driver is connected with the power push rod, and the included angle between the shaft axis of the power push rod and the shaft axis of the large-angle ejection rod is an acute angle.

In the automobile threshold guard plate large-angle double-rod ejection structure, the ejection plate is I-shaped, two lateral anti-deviation blocks which are symmetrical along the center line of the ejection plate are arranged on the ejection plate, and the lateral anti-deviation blocks are respectively in butt fit with the ejection plate and the bottom plate.

In the large-angle double-rod ejection structure of the automobile threshold guard plate, the ejection plate is further provided with two end deviation prevention blocks, the end deviation prevention blocks are respectively in butt fit with the ejection plate and the bottom plate, and the central line of each end deviation prevention block is perpendicular to the central line of each side deviation prevention block.

In the large-angle double-rod ejection structure of the automobile threshold guard plate, the injection molding splitter plate is arranged at the top of the upper die plate, the injection molding splitter plate is arranged at the top of the injection molding splitter plate, the injection molding plate is internally provided with an injection molding main hole, and the injection molding main hole corresponds to the injection molding splitter plate in position.

In foretell automobile threshold backplate wide-angle double-rod ejection structure, the flow distribution plate of moulding plastics on be equipped with a plurality of flow distribution plate that are rectangular array distribution along the flow distribution plate center of moulding plastics and prevent inclined to one side piece, the flow distribution plate of moulding plastics in be equipped with the sprue of moulding plastics, the sprue of moulding plastics and the position of the main hole of moulding plastics align, the flow distribution plate bottom of moulding plastics be equipped with a plurality of shunt tubes of moulding plastics, the shunt tubes of moulding plastics corresponding with the position of die cavity.

In the automobile threshold guard plate large-angle double-rod ejection structure, the upper template is internally provided with a plurality of upper die cooling water channels which are symmetrical along the central line of the upper template, and the lower template is internally provided with a plurality of lower die cooling water channels which are symmetrical along the central line of the lower template.

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

1. the utility model discloses a set up wide-angle ejector pin and supplementary ejector pin, it is ejecting to mould plastics finished piece safety, adopts two poles ejecting, and the cooperation is supplementary the ejector pin, and the biggest angle can be designed about 45 degrees, has increased the intensity of ejector pin, effectively guarantees ejecting security, can solve ejecting angle and be greater than the ejecting mould behind 25 degrees ejecting, has improved ejecting efficiency, reduces and pushes out the fault rate, simple structure.

2. The utility model discloses a set up slope kicking block and supplementary kicking block that the top is smooth level and smooth form, can reduce the damage to the injection molding surface at ejecting in-process, improve the injection molding quality.

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 an exploded schematic view of the present invention.

Fig. 2 is an exploded view in another direction of the present invention.

Fig. 3 is a schematic structural view of the base plate.

Fig. 4 is a structural schematic diagram of the bottom plate in another direction.

Fig. 5 is a schematic structural view of a dual rod ejection assembly.

Fig. 6 is a schematic view of the dual-rod ejection assembly in another orientation.

Fig. 7 is a schematic structural view of an injection molded manifold.

Fig. 8 is a structural schematic view of the injection molding flow distribution plate in another direction.

In the figure: the injection molding machine comprises an upper template 1, a lower template 2, an ejector plate 3, a bottom plate 4, a double-rod ejection assembly 5, an auxiliary ejector rod 6, a large-angle ejector rod 7, an inclined ejector block 8, an auxiliary ejector block 9, an ejector block base 10, an ejector rod connecting slide block 11, an ejection bottom shaft 12, a power push rod 13, a push rod seat 14, a linear driver 15, a side deviation prevention block 16, an end deviation prevention block 17, an injection molding flow distribution plate 18, an injection molding plate 19, an injection molding main hole 20, a flow distribution plate deviation prevention block 21, an injection molding main flow passage 22, an injection molding flow distribution pipe 23, an upper mold cooling water passage 24 and a lower mold cooling water passage 25.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, 2, 4, 5 and 6, the large-angle double-rod ejection structure for the automobile threshold guard plate comprises an upper template 1, a lower template 2, an ejector plate 3 and a bottom plate 4, wherein when the mold is closed, the upper template 1 and the lower template 2 are close to each other to form a cavity, a plurality of double-rod ejection assemblies 5 symmetrical along the central line of the ejector plate 3 are arranged at the top of the ejector plate 3, the double-rod ejection assemblies 5 are obliquely arranged, the positions of the double-rod ejection assemblies 5 and the cavity are corresponding, a plurality of auxiliary ejector rods 6 symmetrical along the central line of the ejector plate 3 are further arranged at the top of the ejector plate 3, and the auxiliary ejector rods 6 are perpendicular to the ejector plate 3.

In this embodiment, the original design adopts single ejector pin structure, it is about 30 degrees to do the design of big ejection angle, oblique ejector pin angle is too big, the ejector pin is decided easily, there is ejecting risk in the mould, after the completion of moulding plastics, synchronous movement double-pole ejection assembly 5 and supplementary ejector pin 6, it is ejecting to mould plastics the finished piece, adopt double-pole ejecting, cooperation supplementary ejector pin 6, the biggest angle can be designed about 45 degrees, the intensity of ejector pin has been increased, effectively guarantee ejecting security, can solve ejection angle and be greater than mould ejecting behind the 25 degrees, ejection efficiency is improved, reduce and push out the fault rate, simple structure.

As shown in fig. 3, 4, 5 and 6, the dual-rod ejection assembly 5 includes a plurality of large-angle ejection rods 7 which are arranged at the top of the ejection plate 3 and are symmetrical along the central line of the ejection plate 3, the large-angle ejection rods 7 are arranged in an inclined manner, inclined ejection blocks 8 are arranged at the tops of the large-angle ejection rods 7, the tops of the inclined ejection blocks 8 are smooth and flat, and auxiliary ejection blocks 9 are arranged at the tops of the auxiliary ejection rods 6.

Specifically speaking, when the injection molding piece needs to be ejected out, the inclined ejecting block 8 is driven to eject out the injection molding piece by moving the large-angle ejecting rod 7, the top end of the inclined ejecting block 8 is smooth and flat, the damage to the surface of the injection molding piece can be reduced in the ejection process, the quality of the injection molding piece is improved, the auxiliary ejecting block 9 also plays a role in reducing the damage to the surface of the injection molding piece, and the quality of the injection molding piece is further improved.

As shown in fig. 2, 4 and 5, the top of the ejector plate 3 is further provided with a plurality of ejector rod bases 10 symmetrical along the central line of the ejector plate 3, ejector rod connection sliding blocks 11 are slidably arranged in the ejector block bases 10, and the ejector rod connection sliding blocks 11 are connected with the large-angle ejector rod 7.

In this embodiment, when large-angle ejector rod 7 needs to be moved, ejector rod connecting slide block 11 is moved to drive large-angle ejector rod 7 to move, and ejector rod base 10 plays limiting role to ejector rod connecting slide block 11.

The top of the bottom plate 4 is provided with a plurality of ejection bottom shafts 12 which are symmetrical along the central line of the bottom plate 4, the ejection bottom shafts 12 are connected with an ejector rod connecting slide block 11, the top of the ejection plate 3 is also provided with a plurality of power push rods 13 which are symmetrical along the center of the ejection plate 3, and the power push rods 13 are in butt fit with the inclined ejection blocks 8.

In this embodiment, when ejector pin joint block 11 is removed to needs, through removing bottom shaft 12, drive ejector pin joint block 11, wide-angle ejector pin 7 and slope kicking block 8 through bottom shaft 12 and remove, mould a piece ejecting, remove the in-process at slope kicking block 8, power push rod 13 synchronous motion has strengthened ejecting fastness through the butt cooperation.

As shown in fig. 4 and 5, the bottom of the power push rod 13 is provided with a push rod seat 14, the top of the ejector plate 3 is provided with a plurality of linear drivers 15 symmetrical along the center line of the ejector plate 3, the power shaft of each linear driver 15 is connected with the power push rod 13, and the included angle between the shaft axis of the power push rod 13 and the shaft axis of the large-angle ejector rod 7 is an acute angle.

In this embodiment, when the power push rod 13 needs to move synchronously, the linear actuator 15 is started, the power shaft of the linear actuator 15 drives the power push rod 13 to move, an included angle between the axis of the power push rod 13 and the axis of the large-angle ejector rod 7 is an acute angle, and the supporting effect is good, and those skilled in the art should understand that the linear actuator 15 may be an air cylinder, an oil cylinder, or a linear motor.

Referring to fig. 2 and 3, the ejector plate 3 is i-shaped, two side anti-deviation blocks 16 symmetrical along the center line of the ejector plate 3 are arranged on the ejector plate 3, and the side anti-deviation blocks 16 are respectively in butt fit with the ejector plate 3 and the bottom plate 4.

In this embodiment, the ejector plate 3 is i-shaped, which saves materials, and the lateral anti-deviation block 16 is respectively in abutting fit with the ejector plate 3 and the bottom plate 4, so as to ensure that the ejector plate 3 and the bottom plate 4 do not have angular deviation during synchronous motion.

Referring to fig. 1 and 3, the ejector plate 3 is further provided with two end anti-deviation blocks 17, the end anti-deviation blocks 17 are respectively abutted and matched with the ejector plate 3 and the bottom plate 4, and a center line of the end anti-deviation block 17 is perpendicular to a center line of the side anti-deviation block 16.

In this embodiment, the end deviation preventing block 17 is respectively in abutting fit with the ejector plate 3 and the bottom plate 4, so that the three are prevented from angular deviation when the ejector plate 3 and the bottom plate 4 synchronously move.

Referring to fig. 1 and 2, an injection molding flow distribution plate 18 is arranged at the top of the upper mold plate 1, an injection molding plate 19 is arranged at the top of the injection molding flow distribution plate 18, an injection molding main hole 20 is arranged in the injection molding plate 19, and the injection molding main hole 20 corresponds to the injection molding flow distribution plate 18 in position.

In this embodiment, when injection molding is required, the molten material flows into the injection splitter plate 18 from the injection main hole 20 in the injection plate 19, and the molten material is split-injected by the injection splitter plate 18.

Referring to fig. 7 and 8, the injection molding diversion plate 18 is provided with a plurality of diversion plate deviation prevention blocks 21 distributed in a rectangular array along the center of the injection molding diversion plate 18, an injection molding main runner 22 is arranged in the injection molding diversion plate 18, the injection molding main runner 22 is aligned with the injection molding main hole 20, the bottom of the injection molding diversion plate 18 is provided with a plurality of injection molding diversion pipes 23, and the injection molding diversion pipes 23 correspond to the cavities.

Specifically, the molten material flowing out of the injection main hole 20 enters the injection flow distribution plate 18 from the injection main runner 22, is distributed by the injection flow distribution plate 18 and then is uniformly injected into the injection flow distribution pipe 23, and finally is injected into the cavity for injection, so that the injection speed is increased, and the production efficiency is improved.

Referring to fig. 8, a plurality of upper mold cooling water channels 24 are arranged in the upper mold plate 1 and are symmetrical along the center line of the upper mold plate 1, and a plurality of lower mold cooling water channels 25 are arranged in the lower mold plate 2 and are symmetrical along the center line of the lower mold plate 2.

In this implementation, after the completion of moulding plastics, pour into cold water into upper mould cooling water course 24 and lower mould cooling water course 25 in, cool off through upper mould cooling water course 24 and lower mould cooling water course 25, improved cooling efficiency, make the cooling more even.

The utility model discloses a theory of operation is:

when needs are moulded plastics, with the main hole 20 inflow of moulding plastics of fused material in from the injection moulding board 19, the fused material that flows out from the main hole 20 of moulding plastics enters into the flow distribution plate 18 of moulding plastics from the sprue 22 of moulding plastics, divide through the flow distribution plate 18 of moulding plastics and evenly pour into in the shunt tubes 23 of moulding plastics, finally pour into the die cavity, mould plastics, the speed of moulding plastics has been accelerated, and the production efficiency is improved, after the completion of moulding plastics, pour into cold water into in cope match cooling water course 24 and lower mould cooling water course 25, cool off through last mould cooling water course 24 and lower mould cooling water course 25, and the cooling efficiency is improved, and the cooling is more even.

After the completion of moulding plastics, carry out the die sinking, synchronous movement wide-angle ejector pin 7 and supplementary ejector pin 6, start linear actuator 15 this moment, power shaft through linear actuator 15 drives power push rod 13 and removes, in the removal in-process of slope kicking block 8, power push rod 13 synchronous motion, ejecting fastness has been strengthened through the butt cooperation, it is ejecting to mould plastics the finished piece, it is ejecting to adopt two poles, cooperation supplementary ejector pin 6, the biggest angle can be designed about 45 degrees, the intensity of ejector pin has been increased, effectively guarantee ejecting security, it is ejecting to solve the mould that ejecting angle is greater than after 25 degrees, ejection efficiency has been improved, reduce the ejection fault rate, moreover, the steam generator is simple in structure.

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 will be apparent to those skilled in the art without departing from the spirit of the invention.

Although terms such as upper mold plate 1, lower mold plate 2, ejector plate 3, bottom plate 4, dual-rod ejector assembly 5, auxiliary ejector pin 6, large-angle ejector pin 7, inclined ejector block 8, auxiliary ejector block 9, ejector block base 10, ejector pin connecting slide 11, ejector bottom shaft 12, power push rod 13, ejector pin seat 14, linear driver 15, side anti-deviation block 16, end anti-deviation block 17, injection molding flow distribution plate 18, injection molding plate 19, injection molding main hole 20, flow distribution plate anti-deviation block 21, injection molding main runner 22, injection molding flow distribution pipe 23, upper mold cooling water channel 24, lower mold cooling water channel 25, etc., are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims

1. The utility model provides an automobile threshold backplate wide-angle double-rod ejection structure, includes cope match-plate pattern (1), lower bolster (2), liftout plate (3) and bottom plate (4), and when the compound die, cope match-plate pattern (1) and lower bolster (2) are close to each other and form the die cavity, its characterized in that, liftout plate (3) top be equipped with a plurality of double-rod ejection assembly (5) along liftout plate (3) central line symmetry, double-rod ejection assembly (5) be the slope setting, double-rod ejection assembly (5) corresponding with the position of die cavity, liftout plate (3) top still be equipped with a plurality of auxiliary push rod (6) along liftout plate (3) central line symmetry, auxiliary push rod (6) and liftout plate (3) between mutually perpendicular.

2. The large-angle double-rod ejection structure of the automobile doorsill guard plate according to claim 1, wherein the double-rod ejection assembly (5) comprises a plurality of large-angle ejection rods (7) which are arranged at the top of the ejection plate (3) and are symmetrical along the central line of the ejection plate (3), the large-angle ejection rods (7) are arranged in an inclined mode, inclined ejection blocks (8) are arranged at the tops of the large-angle ejection rods (7), the tops of the inclined ejection blocks (8) are smooth and flat, and auxiliary ejection blocks (9) are arranged at the tops of the auxiliary ejection rods (6).

3. The large-angle double-rod ejection structure of the automobile threshold guard plate as claimed in claim 2, wherein a plurality of ejector rod bases (10) symmetrical along the center line of the ejection plate (3) are further arranged at the top of the ejection plate (3), an ejector rod connecting slide block (11) is slidably arranged in each ejector rod base (10), and each ejector rod connecting slide block (11) is connected with the large-angle ejection rod (7).

4. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 3, wherein a plurality of ejection bottom shafts (12) which are symmetrical along the center line of the bottom plate (4) are arranged at the top of the bottom plate (4), the ejection bottom shafts (12) are connected with an ejection rod connecting slide block (11), a plurality of power push rods (13) which are symmetrical along the center of the ejection plate (3) are further arranged at the top of the ejection plate (3), and the power push rods (13) are in abutting fit with the inclined ejection block (8).

5. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 4, wherein a push rod seat (14) is arranged at the bottom of the power push rod (13), a plurality of linear drivers (15) symmetrical along the center line of the ejection plate (3) are arranged at the top of the ejection plate (3), a power shaft of each linear driver (15) is connected with the power push rod (13), and an included angle between the shaft axis of the power push rod (13) and the shaft axis of the large-angle ejection rod (7) is an acute angle.

6. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 1, wherein the ejector plate (3) is in an I shape, two side anti-deviation blocks (16) which are symmetrical along a central line of the ejector plate (3) are arranged on the ejector plate (3), and the side anti-deviation blocks (16) are respectively abutted and matched with the ejector plate (3) and the bottom plate (4).

7. The large-angle double-rod ejection structure of the automobile threshold guard plate as claimed in claim 6, wherein two end anti-deviation blocks (17) are further arranged on the ejection plate (3), the end anti-deviation blocks (17) are respectively in abutting fit with the ejection plate (3) and the bottom plate (4), and the center line of each end anti-deviation block (17) is perpendicular to the center line of each side anti-deviation block (16).

8. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 1, wherein an injection molding splitter plate (18) is arranged at the top of the upper mold plate (1), an injection molding plate (19) is arranged at the top of the injection molding splitter plate (18), a main injection molding hole (20) is formed in the injection molding plate (19), and the main injection molding hole (20) corresponds to the injection molding splitter plate (18).

9. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 8, wherein a plurality of diversion plate deviation prevention blocks (21) distributed in a rectangular array along the center of the injection diversion plate (18) are arranged on the injection diversion plate (18), an injection main runner (22) is arranged in the injection diversion plate (18), the injection main runner (22) is aligned with the injection main hole (20), a plurality of injection diversion pipes (23) are arranged at the bottom of the injection diversion plate (18), and the injection diversion pipes (23) correspond to the cavities.

10. The large-angle double-rod ejection structure of the automobile threshold guard plate according to claim 1, wherein a plurality of upper mold cooling water channels (24) which are symmetrical along the central line of the upper mold plate (1) are arranged in the upper mold plate (1), and a plurality of lower mold cooling water channels (25) which are symmetrical along the central line of the lower mold plate (2) are arranged in the lower mold plate (2).