CN214605666U

CN214605666U - Stable form injection mold

Info

Publication number: CN214605666U
Application number: CN202120894018.6U
Authority: CN
Inventors: 陶锦元
Original assignee: Shenzhen Jintai Precision Mould Co ltd
Current assignee: Shenzhen Jintai Precision Mould Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-05
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a stable form injection mold, including bed die, last mould and first lift cylinder, the bottom plate is installed to the below of bed die, and all is fixed with the curb plate above the left and right sides of bottom plate, it settles in the top of bed die to go up the mould, and goes up the mould all install all around the side and separate the net, the roof is installed to the top of going up the mould, and the intermediate position of roof is connected with the mouth of moulding plastics, first lift cylinder is installed respectively in the left and right sides of the mouth of moulding plastics, the left and right sides of roof all is connected with the slider, the lower die groove is installed to the inside intermediate position of bed die, and the interior bottom mounting of lower die groove has the backing plate, the below of backing plate is connected with second lift cylinder. This stable form injection mold sets up and utilizes first lift cylinder can drive the mould oscilaltion to in realizing automatic die sinking operation, effectively alleviateed staff's burden, and second lift cylinder drives backing plate jack-up machined part, be favorable to helping the quick drawing of patterns of machined part.

Description

Stable form injection mold

Technical Field

The utility model relates to an injection moulding production processing technology field specifically is a stable form injection mold.

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.

However, the stability of alignment of the upper mold and the lower mold in the use process of the injection mold in the market at present is poor, manual mold opening is needed, time and labor are wasted in operation, the cooling rate of the mold is low, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable form injection mold to the stability that the injection mold was adjusted well about the mould in the present market who proposes in solving above-mentioned background art in the use is relatively poor, and needs artifical manual die sinking, and the operation is got up and is wasted time and energy, and the cooling rate of mould is slower, leads to the lower problem of production efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a stable injection mold comprises a lower mold, an upper mold and a first lifting cylinder, wherein a bottom plate is installed below the lower mold, side plates are fixed above the left side and the right side of the bottom plate, the upper mold is arranged above the lower mold, partition nets are installed on the peripheral side surfaces of the upper mold, a top plate is installed above the upper mold, an injection port is connected to the middle position of the top plate, the first lifting cylinder is installed on the left side and the right side of the injection port respectively, sliding blocks are connected to the left side and the right side of the top plate, a lower mold groove is installed at the middle position inside the lower mold, a base plate is installed at the bottom inside the lower mold groove, a second lifting cylinder is connected below the base plate, a cooling chamber is formed around the outer side of the lower mold groove, a rubber plug is installed at the opening above the cooling chamber, an upper mold groove is installed at the middle position inside the upper mold, and the periphery of the upper die cavity is provided with air channels, and fans are arranged in the air channels.

Preferably, the middle position of the inner surface of the side plate is provided with a sliding groove, and the top plate and the side plate form a sliding structure through the sliding block and the sliding groove.

Preferably, a lifting structure is formed between the first lifting cylinder and the top plate, and the first lifting cylinder is fixedly connected with the side plate.

Preferably, the backing plate is tightly attached to the inner wall of the lower die cavity, and a lifting structure is formed between the second lifting cylinder and the backing plate.

Preferably, a surrounding structure is formed between the cooling chamber and the lower mold chase, and the cooling chamber is filled with cooling water.

Preferably, the air ducts are distributed in a central symmetry mode around the origin of the upper die cavity, and the air ducts are communicated with the separation net.

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

1. the stable injection mold is provided with the top plate, the self up-and-down lifting operation can be limited by utilizing the sliding action between the sliding block and the sliding groove, so that the upper mold is prevented from being misplaced and deflected in the lifting process, the alignment stability of the upper mold and the lower mold is higher, the upper mold can be driven to be lifted up and down by utilizing the first lifting cylinder, the automatic mold opening operation is convenient to realize, and the burden of workers is effectively reduced;

2. the stable injection mold is provided with the second lifting cylinder which can drive the base plate to move up and down, so that after a machined part in the mold is cooled and formed, the second lifting cylinder drives the base plate to jack up the machined part, the rapid demolding of the machined part is facilitated, and the operation trouble of workers in demolding is reduced;

3. this stable form injection mold sets up the inside cooling water of cooling chamber and hugs closely lower die cavity to the inside machined part rapid cooling shaping of die cavity is favorable to shortening the cool time of machined part under the effect through the heat transfer accelerates, sets up the effect that utilizes the fan, effectively accelerates the inside air flow effect in wind channel, and then helps the quick heat dissipation of die cavity, further shortens the cool time of whole mould, is favorable to improving the machining efficiency of whole mould.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the upper mold in a plan view.

In the figure: 1. a lower die; 2. a base plate; 3. a side plate; 4. an upper die; 5. separating the net; 6. a top plate; 7. an injection molding port; 8. a first lifting cylinder; 9. a slider; 10. a lower die cavity; 11. a base plate; 12. a second lifting cylinder; 13. a cooling chamber; 14. a rubber plug; 15. feeding a die cavity; 16. an air duct; 17. a fan; 18. a chute.

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. 1-3, the present invention provides a technical solution: a stable injection mold comprises a lower mold 1, a bottom plate 2, side plates 3, an upper mold 4, a separation net 5, a top plate 6, an injection port 7, a first lifting cylinder 8, sliders 9, a lower mold groove 10, a backing plate 11, a second lifting cylinder 12, a cooling chamber 13, rubber plugs 14, an upper mold groove 15, an air duct 16, a fan 17 and a chute 18, wherein the bottom plate 2 is installed below the lower mold 1, the side plates 3 are fixed above the left side and the right side of the bottom plate 2, the upper mold 4 is arranged above the lower mold 1, the separation net 5 is installed on the peripheral side surfaces of the upper mold 4, the top plate 6 is installed above the upper mold 4, the injection port 7 is connected to the middle position of the top plate 6, the first lifting cylinder 8 is installed on the left side and the right side of the injection port 7 respectively, the sliders 9 are connected to the left side and the right side of the top plate 6, the lower mold groove 10 is installed in the middle position inside of the upper mold 1, the backing plate 11 is installed at the bottom of the lower mold groove 10, a second lifting cylinder 12 is connected below the backing plate 11, a cooling chamber 13 is formed around the outer side of the lower die groove 10, a rubber plug 14 is installed at an opening above the cooling chamber 13, an upper die groove 15 is installed in the middle of the inner portion of the upper die 4, air ducts 16 are formed around the upper die groove 15, and a fan 17 is installed inside the air ducts 16;

the middle position of the inner surface of the side plate 3 is provided with a sliding groove 18, the top plate 6 forms a sliding structure with the side plate 3 through the sliding block 9 and the sliding groove 18, the top plate 6 can limit the self up-and-down lifting operation by utilizing the sliding action between the sliding block 9 and the sliding groove 18, and further avoid the dislocation and deflection of the upper die 4 in the lifting process, so that the alignment stability of the upper die 4 and the lower die 1 is higher, the lifting structure is formed between the first lifting cylinder 8 and the top plate 6, the connection mode between the first lifting cylinder 8 and the side plate 3 is fixed connection, the first lifting cylinder 8 can be used for driving the upper die 4 to lift up and down, the automatic die opening operation is convenient to realize, and the burden of workers is effectively reduced;

the backing plate 11 is closely attached to the inner wall of the lower die groove 10, a lifting structure is formed between the second lifting cylinder 12 and the backing plate 11, the second lifting cylinder 12 is arranged to drive the backing plate 11 to move up and down so that after a machined part in the die is cooled and formed, the second lifting cylinder 12 drives the backing plate 11 to jack up the machined part, the rapid demoulding of the machined part is facilitated, and further the operation trouble when a worker demoulds the workpiece is reduced, an enclosing structure is formed between the cooling chamber 13 and the lower die groove 10, cooling water is filled in the cooling chamber 13, the cooling water in the cooling chamber 13 is tightly attached to the lower die groove 10 so that the rapid cooling and forming of the machined part in the lower die groove 10 are accelerated through the heat exchange effect, the cooling time of the machined part is facilitated to be shortened, the air ducts 16 are symmetrically distributed about the center of the original point of the upper die groove 15, the air ducts 16 are communicated with the partition net 5, and the fan 17 is utilized, effectively accelerate the inside air flow effect in wind channel 16, and then help last chase 15 dispel the heat fast, further shorten the cooling time of whole mould, be favorable to improving the machining efficiency of whole mould.

The working principle is as follows: for the stable injection mold, firstly, the output port of the injection molding machine is aligned with the injection port 7, the heated and melted plastic is injected into the upper mold cavity 15 and the lower mold cavity 10, then the fan 17 is started, the fan 17 accelerates the air circulation in the air duct 16, so that the heat dissipated from the outer surface of the upper mold cavity 15 is quickly discharged through the separation net 5, meanwhile, the cooling water in the cooling chamber 13 can absorb the heat from the outer surface of the lower mold cavity 10 to help the lower mold cavity 10 to quickly dissipate the heat, after cooling and shaping, the first lifting cylinder 8 is started, the first lifting cylinder 8 drives the top plate 6 to ascend, the top plate 6 drives the slide block 9 to slide upwards along the slide groove 18 relative to the side plate 3, and simultaneously drives the upper mold 4 to ascend, the upper mold 4 is separated from the lower mold 1, the mold opening of the upper mold 4 is completed, the bottom plate 2 supports the lower mold 1, then the second lifting cylinder 12 is started, the second lifting cylinder 12 drives the backing plate 11 to ascend, the backing plate 11 drives the cooled and shaped workpiece to be removed from the lower die cavity 10, and finally, the rubber plug 14 is opened, so that cooling water in the cooling chamber 13 can be replaced, and the use process of the whole stable injection mold is completed.

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

1. The utility model provides a stable form injection mold, includes lower mould (1), upper mold (4) and first lift cylinder (8), its characterized in that: a bottom plate (2) is arranged below the lower die (1), side plates (3) are fixed above the left side and the right side of the bottom plate (2), the upper die (4) is arranged above the lower die (1), a separation net (5) is arranged on the peripheral side of the upper die (4), a top plate (6) is arranged above the upper die (4), an injection port (7) is connected to the middle position of the top plate (6), first lifting cylinders (8) are respectively arranged on the left side and the right side of the injection port (7), sliders (9) are connected to the left side and the right side of the top plate (6), a lower die groove (10) is arranged at the middle position inside the lower die (1), a backing plate (11) is arranged at the inner bottom of the lower die groove (10), a second lifting cylinder (12) is connected below the backing plate (11), and cooling chambers (13) are arranged around the outer side of the lower die groove (10), and rubber buffer (14) are installed to the top opening part of cooling chamber (13), go up the inside intermediate position of mould (4) and install die cavity (15), and go up die cavity (15) and all seted up wind channel (16) all around, the internally mounted of wind channel (16) has fan (17).

2. A stabilized injection mold according to claim 1, wherein: a sliding groove (18) is formed in the middle of the inner surface of the side plate (3), and the top plate (6) forms a sliding structure with the side plate (3) through the sliding block (9) and the sliding groove (18).

3. A stabilized injection mold according to claim 1, wherein: a lifting structure is formed between the first lifting cylinder (8) and the top plate (6), and the first lifting cylinder (8) is fixedly connected with the side plate (3).

4. A stabilized injection mold according to claim 1, wherein: the backing plate (11) is tightly attached to the inner wall of the lower die groove (10), and a lifting structure is formed between the second lifting cylinder (12) and the backing plate (11).

5. A stabilized injection mold according to claim 1, wherein: an enclosing structure is formed between the cooling chamber (13) and the lower die groove (10), and cooling water is filled in the cooling chamber (13).

6. A stabilized injection mold according to claim 1, wherein: the air ducts (16) are distributed in a central symmetry mode relative to the origin of the upper die cavity (15), and the air ducts (16) are communicated with the separation net (5).