CN211390021U

CN211390021U - Mold opening device for injection mold

Info

Publication number: CN211390021U
Application number: CN201922461555.7U
Authority: CN
Inventors: 钟灿秋
Original assignee: Dongguan Zhongcui Mold Plastic Technology Co ltd
Current assignee: Dongguan Zhongcui Mold Plastic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an injection mold opening device relates to injection mold technical field, for solving the complicated and higher problem of cost of current mold opening device structure. The utility model discloses a mould, including base plate, bearing seat, roof, cylinder, push pedal, bearing seat's internally mounted has the die holder, the upper die base is installed to the top of die holder, be provided with the injection moulding die cavity between die holder and the upper die base, the aircraft nose of moulding plastics is installed to the centre of upper die base upper end, the roof is installed to the top of upper die base, install the cylinder between roof and the upper die base, and the cylinder is provided with two, two the cylinder is located the both sides of upper die base upper end respectively, the both sides of upper die base lower extreme all are provided with the extrusion lug, install stripper plate between bearing seat and the die holder, the push pedal is installed to stripper plate's lower extreme, a plurality.

Description

Mold opening device for injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold opening device.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product, wherein the mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to forming characteristics; the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system, and can be divided into a movable type and a fixed type by a loading and unloading method, but the mold is too heavy, and is difficult to open when the mold is opened to take out a product, so the mold needs to be opened.

However, the existing mold opening device is complex in structure and high in cost, so that the existing requirements are not met, and the mold opening device for the injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold opening device to solve the complicated and higher problem of cost of current mold opening device structure that proposes in 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 die sinking device, includes the bottom plate, the upper end of bottom plate is installed and is born the seat, the internally mounted who bears the seat has the die holder, the upper die base is installed to the top of die holder, be provided with the injection moulding die cavity between die holder and the upper die base, the aircraft nose of moulding plastics is installed to the centre of upper end of upper die base, the roof is installed to the top of upper die base, install the cylinder between roof and the upper die base, and the cylinder is provided with two, two the cylinder is located the both sides of upper end of upper die base respectively.

Preferably, the both sides of upper die base lower extreme all are provided with the extrusion lug, install the stripper plate between bearing seat and the die holder, the push pedal is installed to the lower extreme of stripper plate, a plurality of high strength spring are installed to the lower extreme of push pedal, and high strength spring all passes through screw connection with push pedal and bottom plate.

Preferably, the fixed block is all installed to the outside both sides of upper die base, the internally mounted of fixed block has the guide bar, and the inside of the one end embedding roof of guide bar, and the inside of the other end embedding bottom plate of guide bar.

Preferably, the two sides of the stripper plate are both provided with sliding blocks, the inner side of the bearing seat is provided with a sliding groove, and the sliding groove is connected with the sliding blocks in a sliding manner.

Preferably, the upper die holder is connected with the fixing block in a welding mode.

Preferably, the cylinder is connected with the top plate through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a cylinder drives and forms sealed injection moulding die cavity between the upper die base removes and the die holder and moulds plastics, and after the injection molding shaping, the cylinder drives the upper die base again and resets to realize injection mold's die sinking, need not artifical manual die sinking, the overall device simple structure, the running cost is lower.

2. The utility model discloses an extrusion lug extrusion stripper plate, high strength spring are compressed, make the inside of extrusion stripper plate embedding die holder, and the bottom of injection moulding die cavity is in the horizontality, and after the injection molding shaping, the upper die base resets, and high strength spring resets, and the stripper plate stretches out the die holder, carries out ejecting action to the inside injection molding of injection moulding die cavity, realizes the drawing of patterns action to the injection molding promptly, and the drawing of patterns is convenient and quick.

Drawings

Fig. 1 is a schematic view of the overall structure of an injection mold opening device of the present invention;

FIG. 2 is a schematic diagram of the mold opening device for injection molds according to the present invention;

fig. 3 is a schematic structural diagram of the sliding chute and the sliding block of the present invention.

In the figure: 1. a base plate; 2. a bearing seat; 3. a lower die holder; 4. an upper die holder; 5. injection molding a mold cavity; 6. an injection molding machine head; 7. a top plate; 8. a cylinder; 9. a stripper plate; 10. pushing the plate; 11. a high-strength spring; 12. a fixed block; 13. a guide bar; 14. a chute; 15. a slider; 16. the bump is pressed.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an injection mold opening device, comprising a base plate 1, bottom plate 1's upper end is installed and is born seat 2, the internally mounted who bears seat 2 has die holder 3, upper die base 4 is installed to die holder 3's top, be provided with injection moulding die cavity 5 between die holder 3 and the upper die base 4, the aircraft nose 6 of moulding plastics is installed to the centre of upper die base 4 upper end, the plastics that will be heated and melt are jetted into injection moulding die cavity 5 by injection molding machine high pressure, after cooling solidification, obtain the shaping article, roof 7 is installed to the top of upper die base 4, install cylinder 8 between roof 7 and the upper die base 4, and cylinder 8 is provided with two, two cylinders 8 are located the both sides of 4 upper ends of upper die base respectively, cylinder 8 work drives upper die base 4 downstream, make its and die holder 3 contact, form injection moulding die cavity 5 jointly.

Further, both sides of the lower end of the upper die base 4 are provided with extrusion convex blocks 16, a stripper plate 9 is installed between the bearing base 2 and the lower die base 3, a push plate 10 is installed at the lower end of the stripper plate 9, a plurality of high-strength springs 11 are installed at the lower end of the push plate 10, and the high-strength springs 11, the push plate 10 and the bottom plate 1 are connected through screws, the connection mode is simple and convenient to maintain, when the upper die base 4 is in contact with the lower die base 3, the extrusion convex blocks 16 are in contact with the stripper plate 9 and extrude the stripper plate 9, the high-strength springs 11 are compressed under the action of external force, the sliding blocks 15 at the two ends of the stripper plate 9 slide along the sliding grooves 14, the stripper plate 9 is embedded into the lower die base 3, after injection molding, the high-strength springs 11 are reset under the action of self elasticity, the stripper plate 9 extends out of.

Further, fixed block 12 is all installed to the outside both sides of upper die base 4, and the internally mounted of fixed block 12 has guide bar 13, and the inside of one end embedding roof 7 of guide bar 13, and the inside of the other end embedding bottom plate 1 of guide bar 13, guarantees the stability of upper die base 4 in the motion process, can not take place the dislocation.

Further, the two sides of the stripper plate 9 are both provided with a sliding block 15, the inner side of the bearing seat 2 is provided with a sliding groove 14, the sliding groove 14 is connected with the sliding block 15 in a sliding manner, and the stripper plate 9 can slide relative to the bearing seat 2.

Furthermore, the upper die base 4 is connected with the fixed block 12 in a welding mode, the air tightness and the water tightness of the welding connection are good, the structural rigidity is also large, the structural integrity is good, labor and time are saved, the sectional area of the material is not reduced, and the material is fully utilized.

Further, the air cylinder 8 is connected with the top plate 7 through screws, the connection mode is simple, the installation and the disassembly are convenient, and the maintenance is facilitated.

The working principle is as follows: when the injection molding machine is used, the air cylinder 8 works to drive the upper die holder 4 to move downwards to be in contact with the lower die holder 3 to jointly form an injection molding die cavity 5, at the moment, the extrusion convex block 16 is in contact with the stripper plate 9 and extrudes the stripper plate 9, the high-strength spring 11 is compressed under the action of external force, the sliding blocks 15 at two ends of the stripper plate 9 slide along the sliding grooves 14 to embed the stripper plate 9 into the lower die holder 3, the injection molding machine head 6 performs injection molding, an injection molding piece is cooled and molded in the injection molding die cavity 5, after cooling molding, the air cylinder 8 works to drive the upper die holder 4 to reset, the lower die holder 3 is separated from the upper die holder 4 to complete die opening, at the moment, the extrusion convex block 16 is separated from the stripper plate 9, the external force disappears, the high-strength spring 11 resets under the action of self elasticity, the stripper plate 9 extends out.

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.

Claims

1. The utility model provides an injection mold opening device, includes bottom plate (1), its characterized in that: the injection molding machine is characterized in that a bearing seat (2) is installed at the upper end of the bottom plate (1), a lower die seat (3) is installed inside the bearing seat (2), an upper die holder (4) is installed above the lower die seat (3), an injection molding die cavity (5) is arranged between the lower die seat (3) and the upper die holder (4), an injection molding machine head (6) is installed in the middle of the upper end of the upper die holder (4), a top plate (7) is installed above the upper die holder (4), two cylinders (8) are installed between the top plate (7) and the upper die holder (4), and the two cylinders (8) are respectively located on two sides of the upper end of the upper die holder (4); the utility model discloses a stripper plate, including upper die base (4), stripper plate (9), push pedal (10) are installed to the both sides of upper die base (4) lower extreme all are provided with extrusion lug (16), install stripper plate (9) between bearing seat (2) and die holder (3), push pedal (10) are installed to the lower extreme of stripper plate (9), a plurality of high strength spring (11) are installed to the lower extreme of push pedal (10), and high strength spring (11) and push pedal (10) and bottom plate (1) all through the screw connection.

2. An injection mold opening device as claimed in claim 1, wherein: fixed block (12) are all installed to the outside both sides of upper die base (4), the internally mounted of fixed block (12) has guide bar (13), and the inside of the one end embedding roof (7) of guide bar (13), and the inside of the other end embedding bottom plate (1) of guide bar (13).

3. An injection mold opening apparatus as claimed in claim 2, wherein: the demoulding device is characterized in that sliding blocks (15) are installed on two sides of the demoulding plate (9), sliding grooves (14) are formed in the inner sides of the bearing seats (2), and the sliding grooves (14) are connected with the sliding blocks (15) in a sliding mode.

4. An injection mold opening apparatus as claimed in claim 3, wherein: the upper die holder (4) is connected with the fixed block (12) in a welding mode.

5. An injection mold opening device as claimed in claim 1, wherein: the air cylinder (8) is connected with the top plate (7) through screws.