CN212948889U - Injection mold easy to open - Google Patents

Abstract

The utility model discloses an injection mold of easy die sinking, including injection mold platform, balanced moulding-die, die sinking auxiliary structure and foreshadowing structure, the up end of injection mold platform is fixed with firm die block, and the rear of firm die block is provided with the carrier bar, the carrier plate is installed on the top of carrier bar, and the four corners of carrier plate all installs hydraulic cylinder, balanced moulding-die is installed in hydraulic cylinder's output, the lower terminal surface four corners of balanced moulding-die all is provided with spacing guide post, the foreshadowing structure sets up in the outer border position of firm die block up end, and the up end four corners of firm die block has all seted up the guide slot hole, the die sinking auxiliary structure sets up in the inside of guide slot hole. This kind of injection mold plays certain buffering effect when setting up through the foreshadowing structure can make firm die block and balanced moulding-die contact each other, so can avoid the impact of firm die block and balanced moulding-die to cause the damage of mould, can reduce the wearing and tearing when mould uses like this.

Description

Injection mold easy to open

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold of easy die sinking.

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. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; the molding process includes transfer molding, blow molding, cast molding, thermoforming, hot pressing (compression molding), and injection molding, wherein the hot pressing can be divided into three types of flash, half-flash, and no-flash by flash, and the injection molding can be divided into two types of cold runner and hot runner by a pouring system.

In the use of a general injection mold, the mold is greatly abraded due to frequent mold opening and closing, and the mold is not easy to open during injection molding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold of easy die sinking to general injection mold who proposes in solving above-mentioned background art can make the mould receive great wearing and tearing when using because frequent die sinking compound die, and has the problem of difficult die sinking when moulding plastics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold of easy die sinking, includes injection mold platform, balanced moulding-die, die sinking auxiliary structure and foreshadowing structure, the up end of injection mold platform is fixed with firm die block, and the rear of firm die block is provided with the carrier post, the carrier plate is installed on the top of carrier post, and the four corners of carrier plate all installs hydraulic cylinder, balanced moulding-die is installed in hydraulic cylinder's output, the lower terminal surface four corners of balanced moulding-die all is provided with spacing guide post, foreshadowing structure sets up in the outer border position of firm die block up end, and the up end four corners of firm die block has all seted up the guide slotted hole, the die sinking auxiliary structure sets up in the inside of guide slotted hole.

Preferably, a telescopic structure is formed between the hydraulic oil cylinder and the balance pressing die, and the balance pressing die and the stable bottom die are parallel to each other.

Preferably, the limiting guide posts are matched with the guide groove holes, four groups of limiting guide posts and four groups of guide groove holes are symmetrically arranged, and the bottom ends of the limiting guide posts are of a semi-sphere structure.

Preferably, the mold opening auxiliary structure comprises a rigid spring and an engaging elastic block, and the upper end of the rigid spring is connected with the engaging elastic block.

Preferably, an elastic telescopic structure is formed between the rigid spring and the meshing elastic block, and the meshing elastic block is matched with the bottom end of the limiting guide column.

Preferably, the bedding structure comprises a fitting groove and a rubber gasket, and the rubber gasket is arranged in the fitting groove.

Preferably, the rubber gasket is mutually embedded with the stable bottom die through the matching groove, and the structure of the rubber gasket is an elastic rubber structure.

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

the injection mold easy to open the mold can provide power for the operation of the balance pressing mold through the arranged hydraulic oil cylinder, so that the balance pressing mold can perform injection molding extrusion treatment on injection molding materials, and the balance pressing mold and the stable bottom mold are positioned and guided through the limit guide columns and the guide groove holes, so that the stable operation of injection molding can be ensured;

the die opening auxiliary structures can play an auxiliary supporting effect on the up-and-down movement of the balance pressing die through the elastic change of the rigid spring, and the four groups of die opening auxiliary structures which are uniformly arranged can improve the auxiliary effect of the up-and-down movement and die opening of the balance pressing die;

the arrangement of the bedding structure can ensure that the stable bottom die and the balance pressing die contact with each other to achieve a certain buffering effect, so that the impact of the stable bottom die and the balance pressing die can be avoided to cause the damage of the die, and the abrasion of the die during use can be reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the connection between the limiting guide post and the guide groove hole of the present invention;

fig. 4 is a schematic view of the upper end surface structure of the stable bottom die of the present invention.

In the figure: 1. an injection mold table; 2. stabilizing the bottom die; 3. a load bearing column; 4. a load bearing plate; 5. a hydraulic cylinder; 6. balancing and pressing the die; 7. limiting the guide post; 8. a guide slot hole; 9. a mold opening auxiliary structure; 901. a rigid spring; 902. engaging the spring block; 10. a bedding structure; 1001. a fitting groove; 1002. a rubber gasket.

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. 1-4, the present invention provides a technical solution: an injection mold easy to open a mold comprises an injection mold table 1, a stable bottom mold 2, a bearing column 3, a bearing support plate 4, a hydraulic oil cylinder 5, a balance pressing mold 6, a limiting guide column 7, a guide groove hole 8, an auxiliary mold opening structure 9, a rigid spring 901, a meshing elastic block 902, a bedding structure 10, a fit groove 1001 and a rubber gasket 1002, wherein the stable bottom mold 2 is fixed on the upper end face of the injection mold table 1, the bearing column 3 is arranged behind the stable bottom mold 2, the bearing support plate 4 is installed at the top end of the bearing column 3, the hydraulic oil cylinders 5 are installed at four corners of the bearing support plate 4, the balance pressing mold 6 is installed at the output end of the hydraulic oil cylinder 5, a telescopic structure is formed between the hydraulic oil cylinder 5 and the balance pressing mold 6, the balance pressing mold 6 and the stable bottom mold 2 are parallel to each other, power can be provided for the operation of the balance pressing mold 6 through the arranged hydraulic oil cylinder 5,

balanced moulding-die 6's lower extreme surface four corners all is provided with spacing guide post 7, bedding structure 10 sets up in the outer border position of 2 up ends of firm die block, and guide slot hole 8 has all been seted up in the up end four corners of firm die block 2, bedding structure 10 is including agreeing with groove 1001 and rubber packing ring 1002, and the internally mounted who agrees with groove 1001 has rubber packing ring 1002, rubber packing ring 1002 is through agreeing with mutual gomphosis between groove 1001 and the firm die block 2, and the structure of rubber packing ring 1002 is the elastic rubber structure, certain buffering effect is played when bedding structure 10's setting up can make firm die block 2 and balanced moulding-die 6 contact each other, so can avoid the impact of firm die block 2 and balanced moulding-die 6 to cause the damage of mould, can reduce the wearing and tearing when mould uses like this, wear and tear when mould

The limiting guide posts 7 are matched with the guide groove holes 8, four groups of limiting guide posts 7 and four groups of guide groove holes 8 are symmetrically arranged, the bottom ends of the limiting guide posts 7 are of a semi-sphere structure, and the balancing pressing die 6 and the stable bottom die 2 are positioned and guided through the limiting guide posts 7 and the guide groove holes 8, so that stable operation of injection molding can be guaranteed; the mould opening auxiliary structure 9 is arranged in the guide slot hole 8, the mould opening auxiliary structure 9 comprises a rigid spring 901 and an engagement elastic block 902, the upper end of the rigid spring 901 is connected with the engagement elastic block 902, an elastic telescopic structure is formed between the rigid spring 901 and the engagement elastic block 902, the engagement elastic block 902 is matched with the bottom end of the limit guide post 7, the mould opening auxiliary structure 9 can change the elastic force of the balance pressing mould 6 through the elastic force of the rigid spring 901 to achieve the effect of auxiliary support, and the four groups of mould opening auxiliary structures 9 which are uniformly arranged can improve the auxiliary effect of upward moving the mould opening of the balance pressing mould 6.

The working principle is as follows: for the injection mold easy to open the mold, firstly, the injection molding of the whole device can be supported through the arranged injection mold table 1, the bearing column 3 is fixedly welded on the upper end surface of the injection mold table 1, the bearing column 3 can bear the bearing supporting plate 4 at the top end, the hydraulic oil cylinders 5 arranged at four corners of the lower end surface of the bearing supporting plate 4 can provide power for the up-and-down movement of the balance pressing mold 6, when the material to be injected is injected into the stable bottom mold 2, the hydraulic oil cylinders 5 are started, the hydraulic oil cylinders 5 can work to drive the balance pressing mold 6 to move downwards, so that the limit guide column 7 can be inserted into the guide slot hole 8, meanwhile, the limit guide column 7 can be continuously moved downwards to be meshed with the meshing elastic block 902, the meshing elastic block 902 can be driven to contract by the rigid spring 901, the rubber gasket 1002 embedded in the fit groove 1001 can be firstly contacted with the balance pressing mold 6 which moves downwards, so the elastic energy through rubber packing ring 1002 reduces the wearing and tearing when firm die block 2 contacts with balanced moulding-die 6, rubber packing ring 1002 inlays simultaneously in agreeing with groove 1001, can take out from agreeing with groove 1001 and change when rubber packing ring 1002 damages, after the material is die-cast well, through the elastic recovery of stiff spring 901 can be through spacing guide post 7 and meshing elastic block 902 with balanced moulding-die 6 jack-up, so can play the effect of supplementary die sinking when the die sinking, accomplish the whole injection mold's of easily die sinking use like this.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an injection mold of easy die sinking, includes injection mold platform (1), balanced moulding-die (6), die sinking auxiliary structure (9) and foreshadowing structure (10), its characterized in that: the utility model discloses an injection mold, including injection mold platform (1), die sinking auxiliary structure (9), die sinking die set (2), and the rear of firm die sinking die set (2) is provided with bears post (3), bear bearing plate (4) are installed on the top of bearing post (3), and bear the four corners of bearing plate (4) and all install hydraulic cylinder (5), install in the output of hydraulic cylinder (5) balanced moulding-die (6), the lower terminal surface four corners of balanced moulding-die (6) all is provided with spacing guide post (7), bedding structure (10) set up in the outer border position of firm die sinking die set (2) up end, and the up end four corners of firm die sinking die set (2) has all seted up guide slot hole (8), die sinking auxiliary structure (9) set up in the inside of guide slot hole (8).

2. An injection mold easy to open according to claim 1, wherein: a telescopic structure is formed between the hydraulic oil cylinder (5) and the balance pressing die (6), and the balance pressing die (6) is parallel to the stable bottom die (2).

3. An injection mold easy to open according to claim 1, wherein: the limiting guide posts (7) are matched with the guide groove holes (8), four groups of limiting guide posts (7) and four groups of guide groove holes (8) are symmetrically arranged, and the bottom ends of the limiting guide posts (7) are of a semi-sphere structure.

4. An injection mold easy to open according to claim 1, wherein: the mold opening auxiliary structure (9) comprises a rigid spring (901) and an engaging elastic block (902), and the upper end of the rigid spring (901) is connected with the engaging elastic block (902).

5. An injection mold easy to open according to claim 4, wherein: an elastic telescopic structure is formed between the rigid spring (901) and the meshing elastic block (902), and the meshing elastic block (902) is matched with the bottom end of the limiting guide column (7).

6. An injection mold easy to open according to claim 1, wherein: the bedding structure (10) comprises a fit groove (1001) and a rubber gasket (1002), and the rubber gasket (1002) is installed in the fit groove (1001).

7. An injection mold easy to open according to claim 6, wherein: the rubber gasket (1002) is mutually embedded with the stable bottom die (2) through the matching groove (1001), and the structure of the rubber gasket (1002) is an elastic rubber structure.

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