CN111844644A

CN111844644A - Environment-friendly plastic injection mold

Info

Publication number: CN111844644A
Application number: CN202010830551.6A
Authority: CN
Inventors: 许月婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of injection molds, and particularly discloses an environment-friendly plastic injection mold which comprises an upper cover and a lower cover, wherein the center of the top of the lower cover is fixedly connected with the lower mold, the front surface of the lower mold and the positions close to the edges are uniformly provided with first heat dissipation holes, the top of the lower mold and the positions close to four corners are respectively and fixedly connected with a positioning sleeve, the top of the lower mold and the position corresponding to the center of the positioning sleeve are respectively and fixedly connected with a reset spring, the center of the bottom of the upper cover is fixedly connected with the upper mold, the bottom of the upper cover and the positions corresponding to the center of the positioning sleeve are respectively and fixedly connected with an extrusion plate, the front surface of the upper mold and the positions close to the edges are uniformly provided with second heat dissipation holes, and the center of; the invention can avoid the noise generated by the mutual collision of the upper die and the lower die, and simultaneously can not scratch the die, thereby avoiding the generation of waste materials and playing a role in environmental protection.

Description

Environment-friendly plastic injection mold

Technical Field

The invention relates to the technical field of injection molds, and particularly relates to an environment-friendly plastic injection mold.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. 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.

Traditional injection mold can produce the collision in the die sinking, can produce noise pollution because of the collision, when last mould and bed die collision, still can be with the material scratch in the die cavity moreover, and the material of being scraped will become the waste material and fall in the mould, also can cause the pollution to the environment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an environment-friendly plastic injection mold which has the advantages of convenience in mold opening, no noise, avoidance of damage to the mold and the like, and solves the problem of environmental pollution caused by mold opening of the traditional mold.

The invention relates to an environment-friendly plastic injection mold, which comprises an upper cover and a lower cover, wherein the center of the top of the lower cover is fixedly connected with a lower mold, the front surface of the lower mold and the positions close to the edges are uniformly provided with first heat dissipation holes, the back surface of the first heat dissipation holes penetrates through the back surface of the lower mold, the positions at the top of the lower mold and the positions close to four corners are respectively and fixedly connected with a positioning sleeve, the top of the lower mold and the position corresponding to the center of the positioning sleeve are respectively and fixedly connected with a return spring, the positioning sleeve is positioned inside the return spring, the center of the bottom of the upper cover is fixedly connected with the upper mold, the bottom of the upper cover and the position corresponding to the center of the positioning sleeve are respectively and fixedly connected with an extrusion plate, the center of the bottom of the extrusion plate is fixedly connected with a positioning rod, the diameter of the positioning, the mould comprises an upper mould and a lower mould, wherein the upper mould is provided with an upper cover, the upper cover is provided with an upper cover top, the upper cover is provided with a lower cover top, the upper cover top is provided with a lower cover top, the lower cover top is provided with a lower cover top, the upper cover top is provided with a lower cover top.

According to the environment-friendly plastic injection mold, the mounting plate is fixedly connected to the center of the back surface of the bottom of the upper cover, the heat dissipation fans are mounted in the centers of the front surface of the mounting plate and the left side and the right side of the mounting plate, and due to the structural arrangement, wind blown out by the heat dissipation fans can penetrate through the first heat dissipation holes and the second heat dissipation holes, so that the cooling efficiency is further improved, and the time required by mold forming is shortened.

The environment-friendly plastic injection mold is characterized in that the power supply is fixedly connected to the top of the upper cover and the position close to the center of the left side, and the cooling fan is electrically connected with the power supply.

According to the environment-friendly plastic injection mold, the first connecting plates are fixedly connected to the top parts of the left side and the right side of the top of the upper mold, the first bolt for fixing the upper cover is connected to the center of the bottom of the first connecting plate in a threaded manner, and the structure is convenient for workers to disassemble and assemble the upper mold, so that the workers can clean the upper mold conveniently.

According to the environment-friendly plastic injection mold, the bottoms of the left side and the right side of the lower mold are fixedly connected with the second connecting plates, the center of the bottom of the second connecting plate is in threaded connection with the second bolt for fixing the lower cover, and the structure is convenient for workers to disassemble and assemble the lower mold, so that the workers can clean the lower mold conveniently.

The environment-friendly plastic injection mold comprises a positioning sleeve, an upper mold, a lower cover, a positioning sleeve, a pressing plate, a positioning spring, a fixing screw and a fixing screw, wherein the top of the positioning sleeve is positioned at the center of the positioning spring when the positioning spring is in an initial state, the bottom of the positioning sleeve is attached to the bottom of the inner wall of the positioning sleeve when the upper mold and the lower mold are in film combination, the bottom of the pressing plate is attached to the top of the positioning spring, the bottom of the lower cover and the position corresponding to the center of the positioning sleeve are.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the four positioning sleeves arranged at the top of the lower cover and the four positioning rods arranged at the bottom of the upper cover, after a worker inserts the four positioning rods into the positioning sleeves, the upper die and the lower die can be closed to play a role in auxiliary positioning.

2. According to the invention, the first heat dissipation hole arranged on the front surface of the upper die is matched with the second heat dissipation hole arranged on the front surface of the lower die, so that the heat inside the device can be quickly dissipated to the outside through the first heat dissipation hole and the second heat dissipation hole when the device is combined with the film, and the wind energy blown by the heat dissipation fan can pass through the first heat dissipation hole and the second heat dissipation hole through the mounting plate arranged on the back surface of the bottom of the upper die and the heat dissipation fan arranged in the mounting plate, so that the cooling efficiency is further improved, and the time required by die forming is shortened.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic sectional view of the entire front side of the present invention;

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

FIG. 3 is a front view of the lower cover of the present invention;

FIG. 4 is a front view of the upper cover of the present invention;

FIG. 5 is a schematic view of the back structure of the upper cover of the present invention;

FIG. 6 is a schematic bottom view of the upper lid of the present invention.

In the figure: 1. a lower cover; 2. a lower die; 3. a first heat dissipation hole; 4. a return spring; 5. a positioning sleeve; 6. an upper cover; 7. injection molding holes; 8. an upper die; 9. a second heat dissipation hole; 10. mounting a plate; 101. a heat radiation fan; 11. a pressing plate; 12. positioning a rod; 13. fastening screws; 14. a power source.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these physical details should not be construed as limiting the invention. That is, in some embodiments of the invention, such physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-6, the environment-friendly plastic injection mold of the present invention comprises an upper cover 6 and a lower cover 1, wherein the center of the top of the lower cover 1 is fixedly connected with a lower mold 2, the front of the lower mold 2 is uniformly provided with first heat dissipation holes 3 at positions close to the edges, the back of the first heat dissipation holes 3 penetrates through the back of the lower mold 2, the top of the lower mold 2 is fixedly connected with positioning sleeves 5 at positions close to four corners, the top of the lower mold 2 is fixedly connected with return springs 4 at positions corresponding to the centers of the positioning sleeves 5, the positioning sleeves 5 are located inside the return springs 4, the center of the bottom of the upper cover 6 is fixedly connected with an upper mold 8, the bottom of the upper cover 6 is fixedly connected with extrusion plates 11 at positions corresponding to the centers of the positioning sleeves 5, the center of the bottoms of the extrusion plates 11 is fixedly connected with positioning rods 12, the diameters of the positioning rods 12 are, the diameter of stripper plate 11 is greater than the diameter of position sleeve 5, and second louvre 9 has evenly been seted up to the position department that upper die 8 openly just is close to the edge, and the back of second louvre 9 runs through the back of upper die 8, and the hole 7 of moulding plastics has all been seted up to the central authorities at 6 tops of upper cover and the central authorities at 8 tops of upper die, and two holes 7 of moulding plastics communicate each other.

The central fixedly connected with mounting panel 10 at the back in upper cover 6 bottom, mounting panel 10 are positive and all install radiator fan 101 near the central authorities of the left and right sides, and this structure sets up for radiator fan 101 blows out wind energy and can pass first louvre 3 and second louvre 9, has further improved cooling efficiency, has shortened the required time of mould shaping.

A power supply 14 is fixedly connected to the top of the upper cover 6 near the center of the left side, and the heat dissipation fan 101 is electrically connected to the power supply 14.

Go up the equal first connecting plate of fixedly connected with in top department of 8 top left and right sides of mould, the central authorities threaded connection of first connecting plate bottom has and is used for the first bolt fixed with upper cover 6, and this structure setting makes things convenient for the staff to dismantle and install last mould 8, washs last mould 8 for the staff and provides convenience.

The equal fixedly connected with second connecting plate in bottom department of the 2 left and right sides of bed die, the central authorities threaded connection of second connecting plate bottom have be used for with the lower cover 1 fixed second bolt, this structure setting makes things convenient for the staff to dismantle and install bed die 2, provides convenience for the staff washs bed die 2.

The top of the locating sleeve 5 is located at the center of the reset spring 4 when the reset spring 4 is in an initial state, the bottom of the locating rod 12 is attached to the bottom of the inner wall of the locating sleeve 5 when the upper die 8 and the lower die 2 are combined, the bottom of the extrusion plate 11 is attached to the top of the reset spring 4, and the top of the lower cover 1 and the position corresponding to the center of the locating sleeve 5 are in threaded connection with the fastening screw 13 and the top of the fastening screw 13 is in threaded connection with the inside of the locating rod 12.

When the cooling device is used, a worker firstly inserts the positioning rod 12 at the bottom of the upper cover 6 into the positioning sleeve 5 at the top of the lower cover 1 correspondingly, then presses the upper cover 6 downwards until the top of the lower die 2 is attached to the top of the upper die 8, at the moment, the positioning rod 12 is completely inserted into the positioning sleeve 5, the bottom of the extrusion plate 11 is attached to the top of the positioning sleeve 5, the reset spring 4 is in a compressed state, then the worker respectively screws the four fastening screws 13 into the positioning rod 12 to fix the upper cover 6 and the lower cover 1, then the worker fills raw materials into the injection molding hole 7, then the switch of the cooling fan 101 can be opened, the cooling fan 101 starts to work, and cold air blown out by the cooling fan 101 takes away heat of the raw materials through the first cooling hole 3 and the second cooling hole 9, so as to realize rapid cooling.

After the die is formed, a worker only needs to screw out the four fastening screws 13, the reset spring 4 loses pressure and rebounds, and the lower cover 1 is bounced upwards to complete die opening operation.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an environment-friendly plastics injection mold, includes upper cover (6) and lower cover (1), its characterized in that: the center of the top of the lower cover (1) is fixedly connected with a lower die (2), the front of the lower die (2) and the position close to the edge are uniformly provided with first heat dissipation holes (3), the back of each first heat dissipation hole (3) penetrates through the back of the lower die (2), the positions of the top of the lower die (2) and the positions close to four corners are fixedly connected with positioning sleeves (5), the position of the top of the lower die (2) and the position corresponding to the center of each positioning sleeve (5) is fixedly connected with a reset spring (4), each positioning sleeve (5) is positioned inside each reset spring (4), the center of the bottom of the upper cover (6) is fixedly connected with an upper die (8), the position of the bottom of the upper cover (6) and the position corresponding to the center of each positioning sleeve (5) is fixedly connected with an extrusion plate (11), and the center of the bottom of each extrusion plate (11) is fixedly connected with a positioning, the diameter of locating lever (12) is the same with the diameter of locating sleeve (5), the diameter of stripper plate (11) is greater than the diameter of locating sleeve (5), go up mould (8) openly and evenly seted up second louvre (9) near the position department at edge, the back of second louvre (9) runs through the back of mould (8), hole (7) of moulding plastics have all been seted up at the central authorities at upper cover (6) top and the central authorities at upper mould (8) top, and two holes (7) of moulding plastics communicate each other.

2. The environment-friendly plastic injection mold according to claim 1, wherein: the central authorities fixedly connected with mounting panel (10) at upper cover (6) bottom back, radiator fan (101) are all installed to mounting panel (10) openly and the central authorities that are close to the left and right sides.

3. The environment-friendly plastic injection mold according to claim 2, wherein: the top of the upper cover (6) is fixedly connected with a power supply (14) at the position close to the center of the left side, and the heat radiation fan (101) is electrically connected with the power supply (14).

4. The environment-friendly plastic injection mold according to claim 1, wherein: the top of the left side and the top of the right side of the upper die (8) are fixedly connected with first connecting plates, and the center of the bottom of each first connecting plate is in threaded connection with a first bolt used for being fixed with the upper cover (6).

5. The environment-friendly plastic injection mold according to claim 1, wherein: the bottom of the left side and the bottom of the right side of the lower die (2) are fixedly connected with second connecting plates, and the center of the bottom of each second connecting plate is in threaded connection with a second bolt used for being fixed with the lower cover (1).

6. The environment-friendly plastic injection mold according to claim 1, wherein: the top of positioning sleeve (5) is in the center department of reset spring (4) when reset spring (4) are in initial condition, the bottom of locating lever (12) is laminated with the bottom of positioning sleeve (5) inner wall when going up mould (8) and bed die (2) and closing the membrane, the bottom of stripper plate (11) has the top laminating with reset spring (4), lower cover (1) bottom and the position department threaded connection who corresponds with positioning sleeve (5) center have fastening screw (13) and fastening screw (13) the top threaded connection in the inside of locating lever (12).