CN215472706U

CN215472706U - High-precision rapid-forming injection mold

Info

Publication number: CN215472706U
Application number: CN202120445040.2U
Authority: CN
Inventors: 姚德勇
Original assignee: Shenzhen Yahaoxiang Technology Co ltd
Current assignee: Shenzhen Yahaoxiang Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2022-01-11
Anticipated expiration: 2031-03-02

Abstract

The utility model belongs to the technical field of injection molds and discloses a high-precision rapid-forming injection mold which comprises a lower mold and an upper mold, wherein the lower mold is positioned below the upper mold, a spongy cushion is arranged at the bottom end of the lower mold, a base is connected with the bottom of the spongy cushion, a connector is fixed in the middle of the top of the upper mold, an injection molding pipe is arranged at one side, close to the connector, of the top of the upper mold, a rubber pad is connected between the upper mold and the lower mold, a cavity groove is formed in the top of the base, close to the lower side of the lower mold, and a connecting rod is fixed at one side, close to the spongy cushion, of the bottom of the lower mold. The sealing effect between the lower die and the upper die is greatly enhanced.

Description

High-precision rapid-forming injection mold

Technical Field

The utility model belongs to the technical field of injection molds, and particularly relates to a high-precision rapid-forming injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification, wherein the injection mold can be divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the forming characteristic area.

In the chinese patent of patent No. CN201922308592.4, a high accuracy rapid prototyping injection mold is disclosed, the device passes through lifting unit and drives the mould motion to the quick separation work of mould about realizing, thereby the efficiency of work has been improved greatly, but when the in-service use, the impact dynamics when going up mould and lower mould compound die is great, thereby lead to the mould vibrations easily, poor stability, and the long-time easy wearing and tearing warp, the life of mould is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision and rapid-forming injection mold, which solves the problems that the mold proposed in the background art is easy to vibrate, poor in stability and easy to wear and deform.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy rapid prototyping injection mold, includes lower mould and last mould, the lower mould is located the below of last mould, and the bottom of lower mould installs the foam-rubber cushion, the bottom of foam-rubber cushion is connected with the base, be fixed with the connector in the middle of the top of last mould, and the top of going up the mould is close to one side of connector and install the pipe of moulding plastics, upward be connected with the rubber pad between mould and the lower mould, the top of base is close to the below of lower mould and has seted up the chamber groove, and the bottom of lower mould is close to one side of foam-rubber cushion and be fixed with the connecting rod, the spring is installed to the one end that the connecting rod extends to the chamber inslot portion, the bottom of spring is connected with the inner wall in chamber groove.

Preferably, the guide blocks are installed on two sides of the top end of the upper die, the guide rods penetrate through the guide blocks, the side walls of the two guide blocks are movably connected with gears through rotating shafts, the bottom ends of the guide rods are connected with the base, fixing columns are installed on one sides, close to the guide rods, of two ends of the top of the base, and racks meshed with the gears are connected to the inner sides of the fixing columns.

Preferably, the bottom of the base is provided with a backing plate, and the bottom of the backing plate is provided with an anti-skid groove.

Preferably, the side wall of the upper die is provided with a digging groove, and a cooling pipe is connected below the side wall of the lower die.

Preferably, the spongy cushions and the connecting rods are distributed at intervals, and the intervals between every two adjacent spongy cushions are equal.

Preferably, the bottom end of the upper die is fixed with a positioning column, and the top end of the lower die is provided with a positioning hole matched with the positioning column.

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

(1) according to the utility model, through the matching of the spongy cushion, the connecting rod, the cavity groove and the spring, the rigid contact between the upper die and the lower die can be greatly reduced during die assembly, so that the impact force is reduced, the die damage is avoided, the service life of the device is prolonged, meanwhile, the lower die always has the trend of moving upwards, and the sealing effect between the lower die and the upper die is greatly enhanced.

(2) According to the utility model, the upper die can stably move along a straight line through the matching of the structures such as the guide block, the guide rod, the gear and the rack, so that the upper die is effectively prevented from shaking and deviating, the structure is simple, the design is ingenious, and the stability of the device is greatly improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1. a base; 2. fixing a column; 3. a rack; 4. a gear; 5. injection molding a tube; 6. a connector; 7. a guide block; 8. a guide bar; 9. an upper die; 10. a rubber pad; 11. a lower die; 12. a sponge cushion; 13. a connecting rod; 14. a cavity groove; 15. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a high-precision rapid forming injection mold comprises a lower mold 11 and an upper mold 9, wherein the lower mold 11 is positioned below the upper mold 9, a spongy cushion 12 is arranged at the bottom end of the lower mold 11, the bottom of the spongy cushion 12 is connected with a base 1, a connector 6 is fixed in the middle of the top of the upper mold 9, an injection molding pipe 5 is arranged on one side, close to the connector 6, of the top of the upper mold 9, a rubber cushion 10 is connected between the upper mold 9 and the lower mold 11, a cavity groove 14 is formed in the bottom of the base 1, close to the lower mold 11, a connecting rod 13 is fixed on one side, close to the spongy cushion 12, of the bottom of the lower mold 11, a spring 15 is arranged at one end, extending into the cavity groove 14, of the connecting rod 13, the bottom end of the spring 15 is connected with the inner wall of the cavity groove 14, the upper mold 9 downwardly extrudes the lower mold 11 during mold closing, the lower mold 11 downwardly extrudes the spongy cushion 12, the connecting rod 13 is stressed into the cavity groove 14 and extrudes the spring 15, and then under the elastic action of the spongy cushion 12 and the spring 15, the hard contact between the upper die 9 and the lower die 11 can be greatly reduced, so that the impact force is reduced, the die damage is avoided, the service life of the device is prolonged, the lower die 11 can always have the upward movement trend, and the sealing effect between the lower die 11 and the upper die 9 is greatly enhanced.

Further, go up the top both sides of mould 9 and all install guide block 7, the guide bar 8 has all been run through to the inside of two guide blocks 7, and the lateral wall of two guide blocks 7 all has gear 4 through pivot swing joint, the bottom of guide bar 8 is connected with base 1, and base 1's top both ends all install fixed column 2 near one side of guide bar 8, the inboard of fixed column 2 is connected with rack 3 with gear 4 engaged with, when last mould 9 moves under lifting unit's effect, it can drive guide block 7 and slide on guide bar 8 to go up mould 9, guide block 7 drives gear 4 and rolls on rack 3 simultaneously, thereby can make last mould 9 along the steady removal of straight line, the effectual upper mould 9 that has prevented takes place to rock the skew, the stability of device has been improved greatly.

Further, a base plate is installed at the bottom of the base 1, the base plate has an anti-skid function, and an anti-skid groove is formed in the bottom of the base plate.

Specifically, the side wall of the upper die 9 is provided with a groove, the upper die 9 is convenient to hold through the groove, and the cooling pipe is connected below the side wall of the lower die 11.

Specifically, the foam-rubber cushions 12 and the connecting rods 13 are distributed at intervals, and the intervals between two adjacent foam-rubber cushions 12 are equal.

Specifically, the bottom end of the upper die 9 is fixed with a positioning column, the top end of the lower die 11 is provided with a positioning hole matched with the positioning column, and the positioning is more accurate when the upper die 9 and the lower die 11 are closed through the positioning column and the positioning hole.

The working principle and the using process of the utility model are as follows: the utility model discloses a when using, it can drive guide block 7 and slide on guide bar 8 to go up mould 9, guide block 7 drives gear 4 and rolls on rack 3 simultaneously, thereby can make and go up mould 9 along the stable removal of straight line, the effectual skew of rocking of going up mould 9 that has prevented, the stability of device is greatly improved, then go up mould 9 and extrude lower mould 11 downwards, make lower mould 11 extrude foam-rubber cushion 12 downwards, connecting rod 13 atress gets into the chamber groove 14 and extrudees spring 15 simultaneously, later under foam-rubber cushion 12 and spring 15's elastic action, can reduce the rigid contact between last mould 9 and the lower mould 11 greatly, thereby the impact force has been reduced, the mould damage has been avoided, the life of device has been prolonged, can make lower mould 11 have the trend of upward movement all the time simultaneously, thereby sealed effect between lower mould 11 and the last mould 9 has been strengthened greatly.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy rapid prototyping injection mold which characterized in that: comprises a lower die (11) and an upper die (9), wherein the lower die (11) is positioned below the upper die (9), a spongy cushion (12) is arranged at the bottom end of the lower die (11), the bottom of the spongy cushion (12) is connected with a base (1), a connector (6) is fixed in the middle of the top of the upper die (9), and one side of the top of the upper die (9) close to the connector (6) is provided with an injection molding pipe (5), a rubber pad (10) is connected between the upper die (9) and the lower die (11), a cavity groove (14) is arranged at the top of the base (1) and below the lower die (11), and a connecting rod (13) is fixed at one side of the bottom of the lower die (11) close to the spongy cushion (12), connecting rod (13) extend to the inside one end in chamber groove (14) and install spring (15), the bottom of spring (15) is connected with the inner wall in chamber groove (14).

2. The high-precision rapid prototyping injection mold of claim 1, wherein: go up the top both sides of mould (9) and all install guide block (7), two guide block (7) inside all runs through there is guide bar (8), and the lateral wall of two guide block (7) all has gear (4) through pivot swing joint, the bottom of guide bar (8) is connected with base (1), and the top both ends of base (1) all install fixed column (2) near one side of guide bar (8), the inboard of fixed column (2) is connected with rack (3) with gear (4) engaged with.

3. The high-precision rapid prototyping injection mold of claim 1, wherein: the bottom of the base (1) is provided with a backing plate, and the bottom of the backing plate is provided with an anti-slip groove.

4. The high-precision rapid prototyping injection mold of claim 1, wherein: the side wall of the upper die (9) is provided with a digging groove, and a cooling pipe is connected below the side wall of the lower die (11).

5. The high-precision rapid prototyping injection mold of claim 1, wherein: the spongy cushions (12) and the connecting rods (13) are distributed at intervals, and the intervals between every two adjacent spongy cushions (12) are equal.

6. The high-precision rapid prototyping injection mold of claim 1, wherein: the bottom end of the upper die (9) is fixed with a positioning column, and the top end of the lower die (11) is provided with a positioning hole matched with the positioning column.