CN211165068U

CN211165068U - Environment-friendly injection mold

Info

Publication number: CN211165068U
Application number: CN201921778772.2U
Authority: CN
Inventors: 林晓文; 方日红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-04
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses an injection mold of environment-friendly, including last mould mounting panel and die block mounting panel, it has last centre form to go up mould mounting panel below fixed mounting, and goes up centre form bottom surface fixedly connected with and go up the external mold. Has the advantages that: the utility model discloses go up mould circulating pipe and die block circulating pipe, it inlays between last external mold and last centre form to go up the mould circulating pipe, the die block circulating pipe inlays between end external mold and end centre form, let in the cooling water in last mould circulating pipe and the die block circulating pipe, the cooling water circulates in the circulating pipe, it is long to go up mould circulating pipe and die block circulating pipe length, the cooling water is long in the circulation time of managing, the cooling water availability factor is high, the condenser tube who arranges for traditional linear type, the die block circulating pipe of the last mould circulating pipe of multilayer ring type and multilayer ring type is big with the area of contact of top surface in last external mold bottom surface and the end external mold, heat conduction efficiency is high, the refrigeration is more quick, the cooling water consumption has been saved.

Description

Environment-friendly injection mold

Technical Field

The utility model relates to an injection mold technical field particularly, relates to an injection mold of environment-friendly.

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 dimensions, 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.

Injection mold in present stage all has professional design production, it is multiple functional, water-cooled tube and ejector pin are also very common in the mould production, but the water-cooled tube in present stage is mostly linear type and slant arrangement, need bypass key component, water-cooled tube length is generally shorter, the cooling water dwell time is shorter in the water-cooled tube, the utilization ratio of cooling water is lower, although accelerated the circulation process, but used the cooling water in a large number, the wasting of resources has been caused, and simultaneously, traditional ejector pin and mould handing-over department sealing member wear and tear easily, lead to the gap to produce, thereby arouse the problem of the leakage of moulding plastics.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an injection mold of environment-friendly possesses environmental protection more, the leakproofness is good, convenient to use's advantage, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing above-mentioned environmental protection more, the leakproofness good, convenient to use's advantage, the utility model discloses a concrete technical scheme as follows:

the utility model provides an injection mold of environment-friendly, includes mould mounting panel and die block mounting panel, mould mounting panel below fixed mounting has last centre form, and goes up centre form bottom surface fixedly connected with and go up the external mold to go up the external mold and pass through bolt fixed connection with last centre form top surface, it has last mould circulating pipe to go up the embedding between external mold and the last centre form, and the outer lane table wall through connection of last mould circulating pipe has last mould outlet pipe to go up the mould outlet pipe and run through last centre form and extend to the centre form top, the innermost circle table wall through connection of last mould circulating pipe has last mould inlet tube, and goes up the mould inlet tube and run through last centre form and extend to the centre form top, last external mold edge fixed surface cup has the limit solid fixed ring, and limit solid fixed ring bottom surface is connected with the die block mounting panel through first cylinder, and die, and embedding has a die circulating pipe between outer mould and the end centre form at the bottom, die circulating pipe outer circle table wall through connection has the die block outlet pipe, and the die block outlet pipe runs through the die block mounting panel and extends to the die block mounting panel outside, die circulating pipe inner circle table wall through connection has the die block inlet tube, and the die block inlet tube runs through the die block mounting panel and extends to the die block mounting panel outside.

Further, a cylinder groove is formed in the bottom outer mold, a second cylinder is mounted in the cylinder groove, a plug groove is formed in the top surface of the cylinder groove, a plug is arranged in the plug groove, the bottom surface of the plug is fixedly connected with the other end of the second cylinder, a spring is sleeved on the outer surface of the second cylinder, one end of the spring is fixedly connected with one end of the cylinder groove, the other end of the spring is fixedly connected with the bottom surface of the plug, a top plate is fixedly connected with the top surface of the plug, the bottom surface of the top plate is of a smooth structure, and the bottom surface of the top plate is abutted to the top surface of.

Furthermore, the upper die circulating pipe and the bottom die circulating pipe are both of a multilayer circular ring structure.

Furthermore, the spring is a tension spring, and the tension of the spring is smaller than the maximum pushing force of the second cylinder.

Furthermore, the top surface of the top plate and the top surface of the bottom inner die are located in the same arc-shaped plane, and the area of the top plate is equal to that of the top surface of the plug groove.

Furthermore, the bottom die circulating pipe and the upper die circulating pipe are both made of copper materials.

(III) advantageous effects

Compared with the prior art, the utility model provides an injection mold of environment-friendly possesses following beneficial effect:

(1) the utility model discloses go up mould circulating pipe and die block circulating pipe, it inlays between last external mold and last centre form to go up the mould circulating pipe, the die block circulating pipe inlays between end external mold and end centre form, let in the cooling water in last mould circulating pipe and the die block circulating pipe, the cooling water circulates in the circulating pipe, it is long to go up mould circulating pipe and die block circulating pipe length, the cooling water is long in the circulation time of managing, the cooling water availability factor is high, the condenser tube who arranges for traditional linear type, the die block circulating pipe of the last mould circulating pipe of multilayer ring type and multilayer ring type is big with the area of contact of last external mold bottom surface and end internal mold top surface, the heat conduction efficiency is high, the refrigeration is quicker, the cooling water consumption has been saved, thereby the.

(2) The utility model discloses a second cylinder, a spring, end cap and roof, when moulding plastics, the second cylinder shortens, spring pulling end cap seals the end cap groove, because the spring has certain elasticity, make the roof bottom surface extrude butt end cap groove all the time at the in-process of moulding plastics, avoid the material of moulding plastics to leak in the end cap groove, sealing performance is better for traditional ejector pin, and simultaneously, after injection moulding, the extension of second cylinder promotes the spring extension, and it removes inside the ejecting end centre form of injection molding to promote the end cap, accomplish automatic demoulding, and it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an environment-friendly injection mold provided by the present invention;

FIG. 2 is a schematic structural view of an upper mold circulation tube of the present invention;

fig. 3 is a schematic structural view of the bottom die circulation tube of the present invention.

In the figure:

1. an upper die mounting plate; 2. an outer mold is mounted; 3. edge fixing rings; 4. a first cylinder; 5. a bottom die water outlet pipe; 6. a bottom die water inlet pipe; 7. a bottom die mounting plate; 8. a bottom outer mold; 9. a bottom die circulating pipe; 10. a bottom inner mold; 11. an upper die water inlet pipe; 12. an upper mold circulating pipe; 13. an upper inner mold; 14. an upper die water outlet pipe; 15. a cylinder groove; 16. a second cylinder; 17. a spring; 18. a plug groove; 19. a plug; 20. a top plate.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an injection mold of environment-friendly.

Referring to the drawings and the detailed description, as shown in fig. 1-3, an environment-friendly injection mold according to an embodiment of the present invention includes an upper mold mounting plate 1 and a bottom mold mounting plate 7, an upper inner mold 13 is fixedly mounted below the upper mold mounting plate 1, an upper outer mold 2 is fixedly connected to the bottom surface of the upper inner mold 13, the top surfaces of the upper outer mold 2 and the upper inner mold 13 are fixedly connected by bolts, the upper inner mold 13 and the upper outer mold 2 are detachable, an upper mold circulating pipe 12 is embedded between the upper outer mold 2 and the upper inner mold 13, an upper mold water outlet pipe 14 is connected to the outer surface wall of the upper mold circulating pipe 12, the upper mold water outlet pipe 14 penetrates through the upper inner mold 13 and extends to the upper portion of the upper inner mold 13, the upper inner mold 13 and the upper outer mold 2 are detachable, the upper mold circulating pipe 12 is convenient to mount, the innermost surface wall, an upper die water inlet pipe 11 penetrates through an upper inner die 13 and extends to the upper side of the upper inner die 13, the bottom surface of the upper inner die 13 is connected with an injection port in a penetrating manner, the injection port is connected with injection molding equipment in a penetrating manner, the structure is common in the field and not described in detail, an edge fixing ring 3 is fixedly sleeved on the surface of the edge of an upper outer die 2, the bottom surface of the edge fixing ring 3 is connected with a bottom die mounting plate 7 through a first air cylinder 4, the first air cylinder 4 drives the upper outer die 2 to move and belongs to the common structure of the injection mold, a bottom outer die 8 is fixedly mounted on the top surface of the bottom die mounting plate 7, the top surface of the bottom outer die 8 is connected with the bottom inner die 10 through a bolt, a bottom die circulating pipe 9 is embedded between the bottom outer die 8 and the bottom inner die 10, the outermost circumferential surface wall of the bottom die circulating pipe 9 is connected, and the bottom die water inlet pipe 6 penetrates through the bottom die mounting plate 7 and extends to the outer side of the bottom die mounting plate 7, the bottom outer die 8 and the bottom inner die 10 are of detachable structures, the bottom die circulating pipe 9 is convenient to mount, the upper die water inlet pipe 11 and the bottom die water inlet pipe 6 are in through connection with a cooling water inlet end through a connecting hose, the upper die water outlet pipe 14 and the bottom die water outlet pipe 5 are in through connection with a recovery water tank through a connecting hose, not shown in the figure, the upper die circulating pipe 12 is embedded between the upper outer die 2 and the upper inner die 13, the bottom die circulating pipe 9 is embedded between the bottom outer die 8 and the bottom inner die 10, cooling water is introduced into the upper die circulating pipe 12 and the bottom die circulating pipe 9, the cooling water circulates in the circulating pipe, the upper.

In one embodiment, a cylinder groove 15 is formed inside the bottom outer mold 8, a second cylinder 16 is installed inside the cylinder groove 15, a plurality of second cylinders 16 are provided, the second cylinders 16 are connected with an air pump through air pipes, the air pipes penetrate through the bottom inner mold 10 and extend to the outer side of the bottom outer mold 8, which are common connection forms of cylinders, not shown in the figure, a plug groove 18 is formed on the top surface of the cylinder groove 15, a plug 19 is arranged inside the plug groove 18, the bottom surface of the plug 19 is fixedly connected with the other end of the second cylinder 16, a spring 17 is sleeved on the outer surface of the second cylinder 16, one end of the spring 17 is fixedly connected with one end inside the cylinder groove 15, the other end of the spring 17 is fixedly connected with the bottom surface of the plug 19, a top plate 20 is fixedly connected with the top surface of the plug 19, the bottom surface of the top plate 20 is of a smooth structure, and the bottom, spring 17 pulling end cap 19 seals end cap groove 18, because spring 17 has certain elasticity, makes roof 20 bottom surface extrude the butt end cap groove 18 all the time at the in-process of moulding plastics, avoids the material of moulding plastics to leak in end cap groove 18, and sealing performance is better for traditional ejector pin, simultaneously, after injection moulding, the extension of second cylinder 16 promotes spring 17 extension to promote end cap 19 to remove inside ejecting end centre form 10 of injection molding, accomplish automatic drawing of patterns, it is more convenient to use.

In one embodiment, the upper mold circulating pipe 12 and the bottom mold circulating pipe 9 are both of a multilayer circular ring structure, and compared with a traditional cooling water pipe which is linearly arranged, the contact area between the multilayer circular ring upper mold circulating pipe 12 and the multilayer circular ring bottom mold circulating pipe 9 and the bottom surface of the upper outer mold 2 and the inner top surface of the bottom outer mold 8 is large, the heat conduction efficiency is high, the refrigeration is quicker, the cooling water consumption is saved, the energy consumption is reduced, and the use is more environment-friendly.

In one embodiment, the spring 17 is a tension spring, and the tension of the spring 17 is smaller than the maximum pushing force of the second cylinder 16, and the spring 17 maintains the tension at any time, so that the top plate 20 and the plug groove 18 are prevented from loosening during injection molding, and liquid leakage is avoided.

In one embodiment, the top surface of the top plate 20 and the top surface of the bottom inner mold 10 are located in the same arc-shaped plane, the occurrence of the dislocation phenomenon is reduced, the surface of the injection molded part is smoother, and the area of the top plate 20 is equal to that of the top surface of the plug groove 18, so that the generation of burrs is reduced.

In one embodiment, the bottom mold circulation pipe 9 and the upper mold circulation pipe 12 are made of copper material, have high heat conductivity and are not easy to rust and block.

The working principle is as follows:

the device is installed to a proper position, a water source and a power supply are connected to the device, when in injection molding, an upper mold circulating pipe 12 is embedded between an upper outer mold 2 and an upper inner mold 13, a bottom mold circulating pipe 9 is embedded between a bottom outer mold 8 and a bottom inner mold 10, cooling water is introduced into the upper mold circulating pipe 12 and the bottom mold circulating pipe 9 and circulates in the circulating pipes, the upper mold circulating pipe 12 and the bottom mold circulating pipe 9 are long in length, the circulation time of the cooling water in the pipes is long, the use efficiency of the cooling water is high, meanwhile, the contact area between the multilayer annular upper mold circulating pipe 12 and the multilayer annular bottom mold circulating pipe 9 and the bottom surface of the upper outer mold 2 and the inner top surface of the bottom outer mold 8 is large, the heat conduction efficiency is high, the refrigeration is quicker, the cooling water consumption is saved, the energy consumption is reduced, the use is more environment-friendly, in addition, when in injection molding, because the spring 17 has certain elasticity, make the roof 20 bottom surface extrude the butt end groove 18 all the time at the in-process of moulding plastics, avoid moulding plastics material to leak in end groove 18, sealing performance is better for traditional ejector pin, simultaneously, after injection moulding, the extension of second cylinder 16 promotes the extension of spring 17 to promote end cap 19 to remove inside ejecting end inner mold 10 of injection molding, accomplish automatic drawing of patterns, it is more convenient to use.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an injection mold of environment-friendly, its characterized in that, includes mould mounting panel (1) and die block mounting panel (7), go up mould mounting panel (1) below fixed mounting and go up centre form (13), and go up centre form (13) bottom surface fixedly connected with and go up outer mould (2) to go up outer mould (2) and last centre form (13) top surface and pass through bolt fixed connection, it has last mould circulating pipe (12) to go up to embed between outer mould (2) and last centre form (13), and the outer lane table wall through connection of going up mould circulating pipe (12) has last mould outlet pipe (14), and goes up mould outlet pipe (14) and runs through last centre form (13) and extend to centre form (13) top, the innermost circle table wall through connection of going up mould circulating pipe (12) has last mould inlet tube (11), and goes up mould inlet tube (11) and runs through last centre form (13), the edge surface of the upper outer die (2) is fixedly sleeved with an edge fixing ring (3), the bottom surface of the edge fixing ring (3) is connected with a bottom die mounting plate (7) through a first cylinder (4), a bottom outer mold (8) is fixedly arranged on the top surface of the bottom mold mounting plate (7), the top surface of the bottom outer mold (8) is connected with a bottom inner mold (10) through a bolt, a bottom die circulating pipe (9) is embedded between the bottom outer die (8) and the bottom inner die (10), the outermost ring surface wall of the bottom die circulating pipe (9) is connected with a bottom die water outlet pipe (5) in a run-through manner, and the bottom die water outlet pipe (5) penetrates through the bottom die mounting plate (7) and extends to the outer side of the bottom die mounting plate (7), the surface wall of the innermost ring of the bottom die circulating pipe (9) is connected with a bottom die water inlet pipe (6) in a run-through way, and the bottom die water inlet pipe (6) penetrates through the bottom die mounting plate (7) and extends to the outer side of the bottom die mounting plate (7).

2. The environment-friendly injection mold as claimed in claim 1, wherein a cylinder groove (15) is formed in the bottom outer mold (8), a second cylinder (16) is installed in the cylinder groove (15), a plug groove (18) is formed in the top surface of the cylinder groove (15), a plug (19) is arranged in the plug groove (18), the bottom surface of the plug (19) is fixedly connected with the other end of the second cylinder (16), a spring (17) is sleeved on the outer surface of the second cylinder (16), one end of the spring (17) is fixedly connected with one end in the cylinder groove (15), the other end of the spring (17) is fixedly connected with the bottom surface of the plug (19), a top plate (20) is fixedly connected with the top surface of the plug (19), the bottom surface of the top plate (20) is of a smooth structure, and the bottom surface of the top plate (20) is abutted against the top surface of the plug groove (18).

3. The environment-friendly injection mold according to claim 1, wherein the upper mold circulating pipe (12) and the bottom mold circulating pipe (9) are both of a multilayer circular ring structure.

4. An environment-friendly injection mould as claimed in claim 2, characterised in that the spring (17) is a tension spring, and the tension of the spring (17) is less than the maximum pushing force of the second cylinder (16).

5. The environment-friendly injection mold as claimed in claim 2, wherein the top surface of the top plate (20) and the top surface of the bottom inner mold (10) are located in the same arc-shaped plane, and the area of the top plate (20) is equal to the area of the top surface of the plug groove (18).

6. The environment-friendly injection mold as claimed in claim 1, wherein the bottom mold circulation tube (9) and the upper mold circulation tube (12) are made of copper material.