CN214726225U

CN214726225U - III-shaped plastic tray mold with inclined ejection two-stage ejection mechanism

Info

Publication number: CN214726225U
Application number: CN202120079141.2U
Authority: CN
Inventors: 胡兆西; 蒋海勇
Original assignee: Zhejiang Rongxin Mould And Plastic Co ltd
Current assignee: Zhejiang Rongxin Mould And Plastic Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-16
Anticipated expiration: 2031-01-13

Abstract

The utility model provides a river style of calligraphy plastics tray mould with push up second grade ejection mechanism to one side belongs to the injection mold field. The movable mould plate comprises a movable mould plate and a fixed mould plate, wherein a forming surface is arranged on the movable mould plate, a fixing plate is arranged in the middle of the forming surface, two oblique top plates sliding in the movable mould plate are arranged on two sides of the fixing plate, the fixing plate and the two oblique top plates extend to the other end from one end of the forming surface, and a plurality of ejector rods are arranged on the rest part of the forming surface in a penetrating mode. The two inclined top plates extend to the other end from one end of the forming surface, and the two inclined top plates play a role in supporting and ejecting the plastic part at first, so that the plastic part is prevented from being distorted and damaged in the ejection process, and the qualification rate is improved.

Description

III-shaped plastic tray mold with inclined ejection two-stage ejection mechanism

Technical Field

The utility model belongs to the injection mold field especially relates to a river style of calligraphy plastics tray mould with push up second grade ejection mechanism to one side.

Background

When a large plastic part is manufactured, the mold core for molding the plastic part is large and long, and has a complex surface structure and a plurality of grooves. In the demolding process, the plastic part is molded in the grooves, and the plastic part has high adhesive force with the grooves, so that the straight ejector rods can be uniformly distributed on the molding surface, but the plastic part is large and the adhesive force between the plastic part and the molding surface is high, and the plastic part is easily damaged in the ejection mode of the straight ejector rods.

For example, chinese patent document discloses a garbage can injection mold [ patent application No.: CN201922187226.8], which comprises a movable die and a fixed die, wherein the movable die is provided with a die core, the fixed die is provided with a die cavity, a die cavity for molding the garbage can is formed between the die core and the die cavity, and one side of the fixed die, which is back to the movable die, is provided with a pouring gate communicated with the die cavity; lie in the mold core root on the movable mould and be equipped with the subassembly of unloading, the subassembly of unloading is assembled and to be ejecting to the cover half place orientation with the garbage bin on the mold core when movable mould and cover half separation but because fashioned garbage bin length is higher, consequently and the shaping intracavity wall between the adhesion just very big, the ejecting mode of ejector pin that adopts traditional mode in drawing of patterns in-process leads to the garbage bin to break very easily to lead to the product percent of pass to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a river style of calligraphy plastics tray mould with push up second grade ejection mechanism to one side is provided.

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

the die comprises a movable die plate and a fixed die plate, wherein a forming surface is arranged on the movable die plate, a fixed plate is arranged in the middle of the forming surface, oblique top plates sliding in the movable die plate are arranged on two sides of the fixed plate, the fixed plate and the two oblique top plates extend to the other end from one end of the forming surface, and a plurality of ejector rods are arranged on the rest part of the forming surface in a penetrating mode.

In the III-shaped plastic tray mold with the inclined ejection secondary ejection mechanism, one side, away from the fixed mold plate, of each inclined ejection plate is connected with a plurality of ejection inclined plates, the ejection inclined plates are arranged on the inclined ejection plates at equal intervals, the ejection inclined plates are in sliding connection with the movable mold plate and extend out of the movable mold plate, and one side, away from the fixed mold plate, of the fixed plate is provided with two inclined planes respectively matched with the two inclined ejection plates.

In the die for the III-shaped plastic tray with the inclined ejection two-stage ejection mechanism, the inclined ejection plate is provided with a chute, and two sides of the chute are respectively provided with a clamping groove arranged at the end part of the inclined ejection plate.

In foretell river style of calligraphy plastics tray mould that has oblique top second grade ejection mechanism, the core on still be equipped with the outer ejector pin of a plurality of recess, the one side that each oblique top board kept away from the fixed plate has the limit slat that offsets with the profiled surface tip, the limit slat personally submit L shape setting with the shaping, the strake board can keep away from or be close to the profiled surface along the movable mould board horizontal direction, just the strake board be equipped with a plurality of outer grooves on the terminal surface that the profiled surface offseted, the outer groove be parallel with the moving direction of limit slat.

In the III-shaped plastic tray mold with the inclined ejection two-stage ejection mechanism, the end face, away from the molding surface, of each edge strip plate is connected with two transverse moving oil cylinders arranged on the movable mold plate.

In the III-shaped plastic tray die with the oblique-ejection two-stage ejection mechanism, the fixed plate and the two oblique ejection plates are respectively provided with a clearance groove, the fixed plate is internally provided with a cooling water pipe in a penetrating manner, and the cooling water pipe penetrates through the fixed plate.

In the III-shaped plastic tray die with the oblique top two-stage ejection mechanism, one side of the oblique top plate, which is close to the fixed plate, is provided with a plurality of inner grooves, the inner grooves are arranged in parallel with the outer grooves, and one ends of the inner grooves, which are close to the fixed plate, are communicated with the corresponding clearance grooves.

In the III-shaped plastic tray die with the inclined top two-stage ejection mechanism, the inner groove is obliquely arranged away from the inner wall of the fixed plate.

In the III-shaped plastic tray mold with the inclined ejection two-stage ejection mechanism, the end part of the edge strip plate close to the fixed mold plate is provided with a positioning strip, and the side edge of the positioning strip is also connected with a positioning groove sunken in the edge strip plate.

In the III-shaped plastic tray mold with the inclined ejection two-stage ejection mechanism, the end surfaces of the two side laths and the fixed plate, which are close to the fixed mold plate, are respectively provided with a plurality of positioning blocks.

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

1. the utility model discloses in two oblique roof plates extend to the other end from the one end of profiled surface, two oblique roof plates play at first play support and ejecting effect of moulding, prevent to mould that the part distorts at ejecting in-process and damages, improve the qualification rate.

2. The utility model discloses at the in-process of moulding plastics, two clearance inslots and shaping can be poured into to the liquid of moulding plastics, and it has the coolant liquid to lead to during the cooling water pipe recooling, moulds the cooling rate of piece in the clearance inslot with higher speed.

Drawings

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

FIG. 2 is a schematic structural diagram of the hidden fixed template in FIG. 1;

FIG. 3 is a schematic view of a molding surface;

FIG. 4 is a schematic view of FIG. 3 in another orientation;

fig. 5 is a schematic view in another direction of fig. 3.

In the figure: the device comprises a movable mould plate 10, a fixed mould plate 11, a forming surface 12, a fixed plate 13, an inclined top plate 14, an ejection inclined plate 15, an inclined groove 16, an edge strip plate 17, an outer groove 18, a transverse moving oil cylinder 19, a clearance groove 20, a cooling water pipe 21, an inner groove 22, a positioning strip 23, a positioning groove 24, a positioning block 25 and a clamping groove 26.

Detailed Description

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

Referring to fig. 1-5, the die for the plastic tray shaped like a Chinese character 'chuan' with the two-stage ejection mechanism with the inclined ejection comprises a movable die plate 10 and a fixed die plate 11, wherein a forming surface 12 is arranged on the movable die plate 10, a fixed plate 13 is arranged in the middle of the forming surface 12, inclined ejection plates 14 sliding in the movable die plate 10 are arranged on two sides of the fixed plate 13, the fixed plate 13 and the two inclined ejection plates 14 extend from one end to the other end of the forming surface 12, and a plurality of ejector rods penetrate through the rest part of the forming surface 12.

In this embodiment, the injection molding liquid is molded on the molding surface 12, after molding, the molding member is adhered to the fixing plate 13 and the two lifter plates 14, and during demolding, the two lifter plates 14 and the plurality of ejector rods move synchronously. The inclined top plate 14 moves away from the fixed plate 13 during the moving process, so that the inclined top plate 14 is disconnected from the plastic part while ejecting the plastic part, and the plastic part can be demoulded. Because the plastic part is large, the two inclined top plates 14 play a role of supporting and ejecting the plastic part firstly, and prevent the plastic part from being distorted and damaged in the ejection process.

One side of each inclined top plate 14, which is far away from the fixed die plate 11, is connected with a plurality of ejection inclined plates 15, the ejection inclined plates 15 are arranged on the inclined top plates 14 at equal intervals, the ejection inclined plates 15 are in sliding connection with the movable die plate 10 and extend out of the movable die plate 10, and one side of the fixed plate 13, which is far away from the fixed die plate 11, is provided with two inclined surfaces which are respectively matched with the two inclined top plates 14.

In this embodiment, since the inclined top plate 14 is long, the inclined top plate 14 is provided with a plurality of inclined ejection plates 15, and a plurality of inclined top rods respectively abut against the plurality of inclined ejection plates 15, so that the inclined top plate 14 does not move upwards in an inclined manner, and the inclined top plate 14 moves upwards in an inclined manner along the inclined surface of the fixing plate 13, thereby ejecting the plastic part and separating from the plastic part.

The inclined ejection plate 15 is provided with a chute 16, and two sides of the chute 16 are respectively provided with a clamping groove 26 arranged at the end part of the inclined ejection plate 15.

In this embodiment, the locking grooves 26 at both ends of the inclined ejection plate 15 are respectively connected with an inclined ejection rod, and a connecting plate is connected between the two inclined ejection rods, and the connecting plate extends into the chute 16, so that the inclined ejection plate 15 can be stably moved during the ejection process, and the inclined ejection plate 14 is obliquely ejected upwards.

One side that fixed plate 13 was kept away from to each oblique roof 14 has the strake board 17 that offsets with shaping surface 12 tip, strake board 17 be L shape setting with shaping surface 12, strake board 17 can keep away from or be close to shaping surface 12 along movable mould board 10 horizontal direction, just strake board 17 and shaping surface 12 offset the terminal surface on be equipped with a plurality of outer grooves 18, outer groove 18 parallel with strake board 17's moving direction.

In this embodiment, the injection liquid flows to the edge strip plate 17 along the molding surface 12 during the injection process, the injection liquid flows into the plurality of outer grooves 18 and is injection molded, and during the demolding, the edge strip plate 17 is moved away from the molding surface 12 along the horizontal direction to disconnect the plastic part from the plurality of outer grooves 18, and the plastic part is ejected through the slanted ejecting plate 14.

The end surface of each side strip plate 17 far away from the forming surface 12 is connected with two traverse cylinders 19 arranged on the movable die plate 10.

In this embodiment, since the side flight 17 is long, one traverse cylinder 19 is connected to each end of the side flight 17, and the traverse cylinder 19 operates to drive the side flight 17 to move.

The fixing plate 13 and the two inclined top plates 14 are respectively provided with a clearance groove 20, a cooling water pipe 21 penetrates through the fixing plate 13, and the cooling water pipe 21 penetrates through the fixing plate 13.

In this embodiment, during the injection molding process, the injection molding liquid is injected into the two clearance grooves 20 and molded, and the cooling water pipe 21 is filled with the cooling liquid during the re-cooling process, so as to accelerate the cooling speed of the molded part in the clearance groove 20.

One side of the inclined top plate 14 close to the fixed plate 13 is provided with a plurality of inner grooves 22, the inner grooves 22 are arranged in parallel with the outer grooves 18, and one end of each inner groove 22 close to the fixed plate 13 is communicated with the corresponding clearance groove 20.

The inner groove 22 is inclined away from the inner wall of the fixing plate 13.

In this embodiment, the injection liquid is also injected into the inner groove 22, the inner wall of the inner groove 22 away from the fixed plate 13 is inclined, and the inclined angle is the same as the inclined angle of the corresponding inclined surface on the fixed plate 13, so that the plastic part can be smoothly disconnected from the inner groove 22 when the inclined top plate 14 is ejected.

The end part of the edge strip plate 17 close to the fixed die plate 11 is provided with a positioning strip 23, and the side edge of the positioning strip 23 is also connected with a positioning groove 24 sunken in the edge strip plate 17.

The end surfaces of the two side laths 17 and the fixed plate 13 close to the fixed die plate 11 are respectively provided with a plurality of positioning blocks 25.

In the present embodiment, the positioning bars 23, the positioning grooves 24 and the plurality of positioning blocks 25 are used for positioning the movable mold plate 10 and the fixed mold plate 11 during mold closing, and preventing the movable mold plate 10 and the fixed mold plate 11 from being displaced during high-pressure injection molding.

The utility model discloses a theory of operation does:

in the molding process, the injection liquid is injected into the molding surface 12, molded on the fixing plate 13 and the inclined top plate 14, and injected into the inner groove 22 and the outer groove 18 along the molding surface 12. In the demoulding process, the four traverse cylinders 19 on the two sides work to enable the two side laths 17 to move towards the direction far away from the forming surface 12 and enable the plastic part to be disconnected with the outer grooves 18, then the straight ejector rods and the oblique ejector rods synchronously eject the plastic part, the oblique ejector rods eject the oblique ejector plate 14, and the oblique ejector plate 14 enables the oblique ejector plate 14 to be far away from the fixed plate 13 in the moving process, so that the oblique ejector plate 14 is disconnected with the plastic part while ejecting the plastic part, and the plastic part can be demoulded.

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 molding surface 12, the fixed plate 13, the inclined top plate 14, the inclined ejection plate 15, the inclined groove 16, the strake plate 17, the outer groove 18, the traverse cylinder 19, the clearance groove 20, the cooling water pipe 21, the inner groove 22, the positioning bar 23, the positioning groove 24, the positioning block 25, the clamping groove 26, etc., are used more frequently herein, these terms are used only for the convenience of describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a river style of calligraphy plastics tray mould with oblique top second grade ejection mechanism, includes movable mould board (10) and fixed die plate (11), its characterized in that, movable mould board (10) on be equipped with shaping face (12), the centre department of shaping face (12) be equipped with a fixed plate (13), the both sides of fixed plate (13) all have one slide in movable mould board (10) oblique roof (14), fixed plate (13) and two oblique roof (14) extend to the other end from the one end of shaping face (12), shaping face (12) remaining portion wear to be equipped with a plurality of ejector pins.

2. The die for the III-shaped plastic tray with the inclined top secondary ejection mechanism is characterized in that one side, away from the fixed die plate (11), of each inclined top plate (14) is connected with a plurality of ejection inclined plates (15), the ejection inclined plates (15) are arranged on the inclined top plates (14) at equal intervals, the ejection inclined plates (15) are connected with the movable die plate (10) in a sliding mode and extend out of the movable die plate (10), and one side, away from the fixed die plate (11), of the fixed plate (13) is provided with two inclined surfaces matched with the two inclined top plates (14) respectively.

3. The die for the III-shaped plastic tray with the inclined top two-stage ejection mechanism as claimed in claim 2, wherein the inclined ejection plate (15) is provided with a chute (16), and two sides of the chute (16) are respectively provided with a clamping groove (26) arranged at the end part of the inclined ejection plate (15).

4. The III-shaped plastic tray mold with the inclined top secondary ejection mechanism as claimed in claim 3, wherein one side of each inclined top plate (14) far away from the fixed plate (13) is provided with an edge strip plate (17) abutting against the end of the molding surface (12), the edge strip plate (17) and the molding surface (12) are arranged in an L shape, the edge strip plate (17) can be far away from or close to the molding surface (12) along the horizontal direction of the movable mold plate (10), a plurality of outer grooves (18) are formed in the end faces of the edge strip plate (17) abutting against the molding surface (12), and the outer grooves (18) are parallel to the moving direction of the edge strip plate (17).

5. The III-shaped plastic pallet mold with the inclined top two-stage ejection mechanism as claimed in claim 4, wherein two traverse cylinders (19) arranged on the movable mold plate (10) are connected to the end surface of each side slat (17) far away from the molding surface (12).

6. The die for the III-shaped plastic tray with the inclined top and the two-stage ejection mechanism as claimed in claim 5, wherein the fixing plate (13) and the two inclined top plates (14) are respectively provided with a clearance groove (20), a cooling water pipe (21) penetrates through the fixing plate (13), and the cooling water pipe (21) penetrates through the fixing plate (13).

7. The III-shaped plastic tray mold with the inclined top and two-stage ejection mechanism as claimed in claim 6, wherein a plurality of inner grooves (22) are arranged on one side of the inclined top plate (14) close to the fixing plate (13), the inner grooves (22) are arranged in parallel with the outer grooves (18), and one end of each inner groove (22) close to the fixing plate (13) is communicated with the corresponding clearance groove (20).

8. The III-shaped plastic pallet mold with the inclined top two-stage ejection mechanism as claimed in claim 7, wherein the inner groove (22) is inclined away from the inner wall of the fixed plate (13).

9. The III-shaped plastic pallet mold with the pitched roof and the secondary ejection mechanism as claimed in claim 8, wherein the end of the strake plate (17) close to the fixed mold plate (11) is provided with a positioning bar (23), and the side edge of the positioning bar (23) is further connected with a positioning groove (24) recessed in the strake plate (17).

10. The III-shaped plastic tray mold with the inclined top secondary ejection mechanism as claimed in claim 9, wherein a plurality of positioning blocks (25) are arranged on the end surfaces of the two side laths (17) and the fixed plate (13) close to the fixed mold plate (11).