CN211730082U

CN211730082U - Secondary ejection structure with double inclined ejectors

Info

Publication number: CN211730082U
Application number: CN201922190021.5U
Authority: CN
Inventors: 颜辉盛; 叶伟杰
Original assignee: Qiao Feng Technology Industrial Shenzhen Co ltd
Current assignee: Qiao Feng Technology Industrial Shenzhen Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-23
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a secondary ejection structure with two oblique tops, including bottom plate, B board, thimble, first oblique top, second oblique top and the oblique footstock that set up on the thimble board, the thimble board is located between B board and bottom plate, the top of thimble passes the die cavity that the B board accesss to B board up end, the bottom of first oblique top and second oblique top is connected with the top of oblique footstock is rotated respectively, the top of first oblique top and the top of second oblique top pass the die cavity that the B board accesss to B board up end; the bottom end of the inclined top seat is movably connected with the bottom plate and can move up and down relative to the bottom plate, and the bottom plate is provided with two round rods which are positioned at two sides of the inclined top seat; the ejector plate is provided with a first through hole and a second through hole, a sliding groove penetrating through the first through hole and the second through hole is further arranged in the ejector plate, and a movable wave ring is arranged in the sliding groove; the both sides of oblique footstock are provided with the first trench that can supply the young one end of activity ripples to put into, and the top of round bar is provided with the second trench that can supply the young other end of activity ripples to put into.

Description

Secondary ejection structure with double inclined ejectors

Technical Field

The utility model relates to a mould especially relates to a secondary ejection structure with two oblique tops.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping, stretching and other methods in industrial production. After the mold completes the molding of the product through injection molding, the product is generally ejected out at one time by adopting an inclined ejector and an ejector pin.

However, for the consideration of subsequent connection, easy dismounting and structural strength, in the process of producing the product, corresponding reverse buckles and reinforcing ribs are generally processed on the product, the glue position of the product is very deep, if a method of synchronously ejecting the inclined top and the ejector pin is adopted, the product can be adsorbed on the inclined top, and thus a person needs to manually take the product off the die, which affects the efficiency on one hand and reduces the yield of the product on the other hand.

Disclosure of Invention

The utility model aims to solve the technical problem that a secondary ejection structure with two oblique tops is provided, both can realize automatic ejecting drawing of patterns completely, can improve the product yield again.

In order to solve the technical problem, the utility model discloses a as follows technical scheme:

a secondary ejection structure with double inclined ejectors comprises a bottom plate, a B plate, an ejector plate, ejector pins arranged on the ejector plate, a first inclined ejector, a second inclined ejector and an inclined ejector seat, wherein the ejector plate is positioned between the B plate and the bottom plate, the top ends of the ejector pins penetrate through the B plate and lead to a die cavity of the upper end face of the B plate, the bottom end of the first inclined ejector and the bottom end of the second inclined ejector are respectively and rotatably connected with the top end of the inclined ejector seat, and the top end of the first inclined ejector and the top end of the second inclined ejector penetrate through the B plate and lead to the die cavity of the upper end face of the B plate; the bottom end of the inclined top seat is movably connected with the bottom plate and can move up and down relative to the bottom plate, and the bottom plate is provided with two round rods which are positioned at two sides of the inclined top seat; the ejector plate is provided with a first through hole for the oblique ejector seat to pass through and a second through hole for the round rod to pass through, a sliding groove penetrating through the first through hole and the second through hole is further formed in the ejector plate, and a movable wave ring is arranged in the sliding groove; the two sides of the oblique top seat are provided with first groove positions for the movable wave small end to be placed in, and the top end of the round rod faces one side of the oblique top seat and is provided with second groove positions for the movable wave small end to be placed in.

Preferably, the bottom end of the inclined top seat is fixedly connected with a guide rod, the bottom plate is provided with a straight sleeve, and the guide rod is connected with the straight sleeve in a sliding mode.

Preferably, a slanted ejecting guide block is embedded in the plate B and is provided with a first slanted ejecting hole for the first slanted ejecting to pass through and a second slanted ejecting hole for the second slanted ejecting to pass through.

The utility model has the advantages of: according to the secondary ejection structure with the double-pitched roof, the ejector plate drives the ejector pin, the first pitched roof and the second pitched roof to move synchronously through the limit of the movable wave ring, so that the first pitched roof and the second pitched roof move for a certain distance in the horizontal direction to provide a space for the continuous ejection of a product, and the primary ejection is finished; and then, the movable wave moves back to the second slot position, the inclined ejector seat is not clamped any more, the ejector plate can only drive the ejector pin arranged on the ejector plate to continuously move upwards, the product is continuously ejected until the product is completely ejected by the ejector pin, and the secondary ejection stroke is finished. The utility model discloses accomplish twice ejecting action in the short time, be applicable to glue the position and than dark, little space back-off drawing of patterns, realized automatic ejecting drawing of patterns completely, ejecting smooth and easy can effectively improve production efficiency to yield when can the product shaping.

Drawings

Fig. 1 is a three-dimensional structure diagram of a double-ejection structure with a double-pitched roof of the present invention;

fig. 2 is a cross-sectional view of the double-ejection structure with double inclined tops according to the present invention;

fig. 3 is a schematic view showing a first mold opening state of a double-ejection structure with a double-pitched roof according to the present invention;

fig. 4 is a schematic view of the mold opening state of the double-ejection structure with double-pitched roof of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the secondary ejection structure with double inclined tops includes a bottom plate 30, a B plate 10, an ejector plate 20, an ejector pin (not shown) disposed on the ejector plate 20, a first inclined top 41, a second inclined top 42, and an inclined top seat 40, wherein the ejector plate 20 is located between the B plate 10 and the bottom plate 30, and a top end of the ejector pin passes through the B plate 10 and leads to a mold cavity on an upper end surface of the B plate 10.

The bottom end of the first inclined top 41 and the bottom end of the second inclined top 42 are respectively connected with the top end of the inclined top seat 40 in a rotating manner, and the top end of the first inclined top 41 and the top end of the second inclined top 42 penetrate through the B plate and lead to a mold cavity on the upper end face of the B plate. Preferably, a slanted ejecting guide block 11 is embedded in the B plate 10, the slanted ejecting guide block 11 is provided with a first slanted ejecting hole for the first slanted ejecting 41 to pass through and a second slanted ejecting hole for the second slanted ejecting 42 to pass through, and the top end of the first slanted ejecting 41 and the top end of the second slanted ejecting 42 correspondingly pass through the first slanted ejecting hole and the second slanted ejecting hole and lead to the mold cavity on the upper end surface of the B plate.

The bottom end of the inclined top seat 40 is movably connected with the bottom plate 30 and can move up and down relative to the bottom plate 30. Preferably, a guide rod 44 is fixedly connected to the bottom end of the slanted ejecting seat 40, the bottom plate 30 is provided with a straight sleeve 31, and the guide rod 44 is slidably connected with the straight sleeve 31, so that the slanted ejecting seat 40 can move up and down relative to the bottom plate 30.

The bottom plate 30 is provided with two round rods 32, and the two round rods 32 are positioned at two sides of the inclined top seat 40; the ejector plate 20 is provided with a first through hole 21 for the inclined ejector seat 40 to pass through and a second through hole 22 for the round rod 32 to pass through. The ejector plate 20 is also internally provided with a sliding groove 23 which penetrates through the first through hole 21 and the second through hole 22, the sliding groove 23 is internally provided with a movable wave ring 24, and the movable wave ring 24 can slide left and right in the sliding groove 23. The two sides of the oblique top seat 40 are provided with a first slot 43 for placing one end of the movable wave ring 24, and one side of the top end of the round rod 32 facing the oblique top seat 40 is provided with a second slot 321 for placing the other end of the movable wave ring 24.

As shown in fig. 3, at the beginning of opening the mold, the movable wave 24 is pressed by the round bar 32 and is inserted into the first slot 43 of the inclined top seat 40. When the mold is opened, the ejector plate 20 firstly ejects 71.5mm, and as the movable wave ring 24 is clamped in the first groove position 43 of the inclined ejector seat 40, the ejector plate 20 drives the inclined ejector seat 40 to move upwards by 71.5mm, the first inclined ejector 41 moves leftwards by 8.5mm in the horizontal direction under the guidance of the first inclined ejector hole of the inclined ejector guide block 11, and the first inclined ejector is separated from the reverse buckle to provide a space for ejecting the product 50; the second inclined top 42 moves rightwards 10mm in the horizontal direction under the guidance of a second inclined top hole of the inclined top guide block 11, and is separated from the reverse buckle to provide a space for ejecting the product 50; at the same time, the movable wave 24 retreats into the second slot 321 at the top end of the round rod 32, no longer locks the inclined top seat 40, and the first ejection is finished, as shown in fig. 4. And (3) continuing opening the die, continuously ejecting the ejector plate 20 for 92.5mm, wherein the movable wave 24 does not block the inclined ejector seat 40 any more, the inclined ejector seat 40 cannot move any more, the first inclined ejector 41 and the second inclined ejector 42 cannot move any more, the ejector plate 20 only can drive the ejector pins arranged on the ejector plate 20 to continuously move upwards, and continuously ejecting the product 50 until the product 50 is completely ejected by the ejector pins, and the secondary ejection stroke is finished.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims

1. The utility model provides a secondary ejection structure with two oblique tops, is including bottom plate, B board, thimble board and set up the thimble on the thimble board, the thimble board is located between B board and the bottom plate, the top of thimble is passed the B board accesss to the die cavity of B board up end, its characterized in that: the secondary ejection structure with the double inclined tops further comprises a first inclined top, a second inclined top and an inclined top seat, the bottom end of the first inclined top and the bottom end of the second inclined top are respectively and rotatably connected with the top end of the inclined top seat, and the top end of the first inclined top and the top end of the second inclined top penetrate through the B plate and lead to a die cavity of the upper end face of the B plate; the bottom end of the inclined top seat is movably connected with the bottom plate and can move up and down relative to the bottom plate, and the bottom plate is provided with two round rods which are positioned at two sides of the inclined top seat; the ejector plate is provided with a first through hole for the oblique ejector seat to pass through and a second through hole for the round rod to pass through, a sliding groove penetrating through the first through hole and the second through hole is further formed in the ejector plate, and a movable wave ring is arranged in the sliding groove; the two sides of the oblique top seat are provided with first groove positions for the movable wave small end to be placed in, and the top end of the round rod faces one side of the oblique top seat and is provided with second groove positions for the movable wave small end to be placed in.

2. The double lift structure with double pitched roof of claim 1, wherein: the bottom fixedly connected with guide bar of oblique footstock, the bottom plate is provided with straight department's cover, guide bar and straight department's cover sliding connection.

3. The double lift structure with double pitched roof of claim 1, wherein: and an inclined top guide block is embedded in the plate B and is provided with a first inclined top hole for the first inclined top to pass through and a second inclined top hole for the second inclined top to pass through.