CN213006357U

CN213006357U - Injection mold device with ejection mechanism

Info

Publication number: CN213006357U
Application number: CN202021592299.1U
Authority: CN
Inventors: 李效新; 林子赠; 匡雪峰
Original assignee: Ahead Technology Shenzhen Co ltd
Current assignee: Ahead Technology Shenzhen Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-20
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses an injection mold device with an ejection mechanism, which comprises a base, a bracket, a shell and a cross frame, wherein a platform plate is fixedly arranged at the top end of the shell, the bracket is symmetrically arranged at two sides of the platform plate, the upper end of the bracket is fixedly arranged with the cross frame, a telescopic oil cylinder is fixedly arranged at the middle part of the bottom end of the cross frame, and the ejection mechanism for ejecting a formed part is fixedly arranged at the upper end of the base; the utility model discloses when using, flexible hydro-cylinder can drive the module and move down, goes up the module simultaneously and can drive the connecting rod and move down, and the extrusion spring saves elastic potential energy, and after the compound die finishes, flexible hydro-cylinder can drive the module rebound, and the connecting rod moves up under the drive of last module and the effect of spring release elastic potential energy to drive ejector pin upward movement, thereby the ejector pin can promote the ejecting formed part of ejector plate upward movement, the utility model discloses use simple but also practical.

Description

Injection mold device with ejection mechanism

Technical Field

The utility model relates to a mechanical die technical field specifically is an injection mold device with ejection mechanism.

Background

In the existing mechanical production and manufacturing technology, the structure of a product is more and more complex, the framework of a mold also needs to follow some complex structure movements, and an injection molding part needs to be taken out of a mold forming cavity in the production process and each cycle process of injection molding.

For some flat plastic parts, because the adhesive force between the mold and the template is not large, the ejection mechanism can not be installed, but for some molds with complex structural modeling, the adhesive force between the mold and the template is large, the mold can not be smoothly demolded, and the molded part can be damaged when the existing ejection mechanism demolds, so that the injection mold device with the ejection mechanism is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold device with ejection mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an injection mold device with ejection mechanism, includes base, support, shell and crossbearer, the top fixed mounting of shell has the landing slab, the support is installed to the bilateral symmetry of landing slab, the upper end of support with crossbearer fixed mounting is in the same place, the bottom middle part fixed mounting of crossbearer has flexible hydro-cylinder, the lower extreme fixed mounting of flexible hydro-cylinder has last module, the upper end fixed mounting of landing slab has module down, down the module with go up the shaping cavity of mould when the module is closed, the internally mounted of module has the cooling subassembly that is used for the formed part cooling down, the upper end fixed mounting of base has the ejecting ejection mechanism of formed part.

As a further aspect of the present invention: the ejection mechanism comprises a connecting rod, a spring, a straight rod, ejection rods and an ejection plate, wherein the upper portion of the connecting rod is fixedly mounted at two ends of the upper module, the top end of the straight rod penetrates through the connecting rod, the bottom end of the straight rod is fixedly mounted on the base, the spring is sleeved outside the straight rod, the bottom end of the spring is fixedly mounted at the top end of the base, two ejection rods are fixedly mounted at the top end of the lower portion of the connecting rod and penetrate through the platform plate, two perforation holes matched with the ejection rods are formed in the lower module, and the two perforation holes are fixedly mounted at the upper ends of the ejection rods and at the lower end of the ejection plate located at the bottom of the forming cavity.

As a further aspect of the present invention: the cooling assembly comprises a serpentine cooling pipe, a transmission pipe and a cold air pump, wherein the input end of the serpentine cooling pipe is connected with the output end of the cold air pump through the transmission pipe.

As a further aspect of the present invention: and a clamping groove matched with the ejector plate is formed in the bottom end of the middle part of the lower module.

As a further aspect of the present invention: and a limiting block for preventing the connecting rod from moving upwards excessively is fixedly arranged at the top end of the straight rod.

As a further aspect of the present invention: and screws for fixing the position of the base are fixedly arranged at the two ends of the base.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when carrying out the compound die, the flexible hydro-cylinder can drive the module and move down, goes up the module simultaneously and can drive the connecting rod and move down, and the extrusion spring saves elastic potential energy, and after the compound die finishes, the flexible hydro-cylinder can drive the module rebound, and the connecting rod moves up under the drive of last module and the effect of spring release elastic potential energy to drive ejector pin upward movement, thereby the ejector pin can promote the ejecting formed part of ejector plate upward movement, the utility model discloses use simple but also practical, and not fragile formed part when ejecting formed part.

Drawings

Fig. 1 is a schematic structural diagram of an ejection state of an injection mold device with an ejection mechanism.

Fig. 2 is a schematic structural view of a mold clamping state of an injection mold device with an ejection mechanism.

Fig. 3 is an enlarged schematic structural view of an injection mold device with an ejection mechanism at a point a in fig. 1.

Wherein: the device comprises a cross frame 1, a support 2, a connecting rod 3, a serpentine cooling pipe 4, a shell 5, screws 6, a base 7, a straight rod 8, an ejector rod 9, springs 10, a limiting block 11, a transmission pipe 12, a cooling air pump 13, a clamping groove 14, an ejector plate 15, a telescopic oil cylinder 16, a forming cavity 17, an upper module 18, a lower module 19, a through hole 20 and a platform plate 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, an injection mold device with an ejection mechanism includes a base 7, a frame 2, a housing 5 and a cross frame 1, two groups of springs 10 are fixedly connected with the upper end surface of the base 7, screws 6 are fixedly arranged at two ends of the base 7, the stability of the device is strengthened, the later-stage disassembly and maintenance are facilitated, the springs 10 are arranged on the inner side of the shell 5, two groups of the springs 10 are sleeved on the straight rod 8, the straight rod 8 is provided with a limit block 11, the top end of the shell 5 is fixedly provided with a platform plate 21, the platform plate 21 is fixedly provided with a lower module 19, the inside of the lower module 19 is provided with a serpentine cooling pipe 4, a transmission pipe 12 is fixedly connected to the right input port of the serpentine cooling pipe 4, and the right lower end of the transmission pipe 12 is fixedly arranged on the output end of a cold air pump 13;

the left side and the right side of the upper end of the platform plate 21 are symmetrically and fixedly provided with straight rods 2, the upper end of each straight rod 2 is fixedly provided with a cross frame 1, the middle part of the bottom end of each cross frame 1 is fixedly provided with a telescopic oil cylinder 16, the lower end of each telescopic oil cylinder 16 is fixedly provided with an upper module 18, and each upper module 18 and the lower module 19 can form a forming cavity 17 when being closed;

go up 18 both sides fixed mounting of module has connecting rod 3, straight-bar 8 runs through at connecting rod 3, the bottom of connecting rod 3 and the top fixed connection of spring 10, the top fixed mounting of connecting rod 3 has two knockout rods 9, two knockout rod 9 runs through landing slab 21, two the upper end fixed mounting of knockout rod 9 has ejector plate 15, set up two in module 19 down with the perforation 20 that knockout rod 9 matees, module 19 middle part bottom is equipped with the draw-in groove that matees with ejector plate 15 down, the top fixed mounting of straight-bar 8 has stopper 11 that prevents connecting rod 3 transition and shift up, the utility model discloses an ejector rod 9 can promote the ejecting formed part of ejector plate 15 upward movement, and ejector plate 15 is big with the area of contact of formed part, is difficult for damaging the formed part at ejecting in-process.

The utility model discloses a theory of operation is: the utility model discloses when using, module 18 downstream in the drive through flexible hydro-cylinder 16, it can drive connecting rod 3 downstream to go up module 18 simultaneously, can compress spring 10 at the in-process of connecting rod 3 downstream and save the elastic potential energy of spring, the compound die is accomplished back cold air pump 13 and is transported air conditioning to snakelike cooling tube 4 through transmission pipe 12, flexible hydro-cylinder 16 drives module 18 and moves upwards after handling the formed part of cooling down, spring 10 releases elastic potential energy and acts on upward movement on connecting rod 3 simultaneously, connecting rod 3 upward movement under the effort of spring 10 and last module 18, connecting rod 3 can drive ejector rod 9 upwards promotes ejector rod 15 and then with the formed part from the thorough separation drawing of patterns on lower module 19.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an injection mold device with ejection mechanism, includes base (7), support (2), shell (5) and crossbearer (1), the top fixed mounting of shell (5) has landing slab (21), support (2) are installed to the bilateral symmetry of landing slab (21), the upper end of support (2) with crossbearer (1) fixed mounting is in the same place, the bottom middle part fixed mounting of crossbearer (1) has flexible hydro-cylinder (16), the lower extreme fixed mounting of flexible hydro-cylinder (16) has last module (18), the upper end fixed mounting of landing slab (21) has lower module (19), lower module (19) with go up forming die's when module (18) are closed shaping cavity (17), the internally mounted of lower module (19) has the cooling subassembly that is used for the forming part cooling down, a serial communication port, the upper end fixed mounting of base (7) has the inside forming part ejecting ejection mechanism of forming cavity (17) with forming cavity (17) .

2. The injection mold device with the ejection mechanism according to claim 1, wherein the ejection mechanism comprises a connecting rod (3), a spring (10), a straight rod (8), ejection rods (9) and an ejection plate (15), the upper portion of the connecting rod (3) is fixedly installed at two ends of the upper module (18), the top end of the straight rod (8) penetrates through the connecting rod (3), the bottom end of the straight rod (8) is fixedly installed on the base (7), the spring (10) is sleeved outside the straight rod (8), the bottom end of the spring (10) is fixedly installed at the top end of the base (7), the top end of the connecting rod (3) is fixedly installed with two ejection rods (9), the two ejection rods (9) penetrate through a platform plate (21), through holes (20) matched with the two ejection rods (9) are formed in the lower module (19), the upper ends of the two ejector rods (9) are fixedly installed and connected with the lower end of an ejector plate (15) positioned at the bottom of the forming cavity (17).

3. The injection mold device with the ejection mechanism as claimed in claim 1, wherein the cooling assembly comprises a serpentine cooling pipe (4), a transmission pipe (12) and a cold air pump (13), and the input end of the serpentine cooling pipe (4) is connected with the output end of the cold air pump (13) through the transmission pipe (12).

4. The injection mold device with the ejection mechanism as claimed in claim 2, characterized in that the bottom end of the middle part of the lower module (19) is provided with a clamping groove (14) matched with the ejection plate (15).

5. The injection mold device with the ejection mechanism as claimed in claim 2, wherein the top end of the straight rod (8) is fixedly provided with a limiting block (11) for preventing the connecting rod (3) from moving upwards excessively.

6. The injection mold device with the ejection mechanism as claimed in claim 1, wherein the two ends of the base (7) are fixedly provided with screws (6) for fixing the position of the base (7).