CN215882378U

CN215882378U - Plastic mould convenient to drawing of patterns

Info

Publication number: CN215882378U
Application number: CN202023010032.XU
Authority: CN
Inventors: 卢卫林; 李勇; 罗爱文
Original assignee: Kunshan Youende Precision Mould Co ltd
Current assignee: Kunshan Youende Precision Mould Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-02-22
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a plastic mould convenient for demoulding, and particularly relates to the technical field of moulds, which comprises a base, wherein the top of the base is slidably connected with a lower mould, two ends of the lower mould are provided with shaking mechanisms, an upper mould is arranged above the lower mould, the top of the upper mould is provided with a scraping mechanism, a forming cavity is arranged between the upper mould and the lower mould, and two ends of the upper mould are provided with material injection nozzles communicated with the forming cavity; the shaking mechanism comprises a first connecting rod which is rotatably connected with two ends of the lower die, one end of the first connecting rod, which is far away from the lower die, is rotatably connected with a second connecting rod, and a speed reduction motor which is in transmission connection with the second connecting rod is arranged in the base; the scraping mechanism comprises a sliding block, the sliding block is located at the top of the upper die and is in sliding connection with the upper die, and a scraping groove is formed in the sliding block. According to the utility model, the shaking mechanism is arranged, so that injection molding, resonance and exhaust are carried out simultaneously, bubble defects in the injection molding piece are removed, and the quality of the injection molding piece is ensured.

Description

Plastic mould convenient to drawing of patterns

Technical Field

The utility model relates to the technical field of molds, in particular to a plastic mold convenient for demolding.

Background

The mould is a tool for forming articles, the processing of the appearance of the articles is realized mainly by changing the physical state of the formed material, the mould is widely applied to the industrial fields of machinery, electronics, light industry, automobiles, aerospace and the like due to high efficiency, good product quality, low material consumption and low production cost of parts manufactured by the mould, and the mould is used for processing the automobile lampshade in the production process.

However, in actual use, the existing automobile lampshade mould is mixed with air in the injection molding and die casting process, and the product contains air bubbles after being formed and is difficult to demould.

Disclosure of Invention

In order to overcome the above-mentioned defects in the prior art, an embodiment of the present invention provides a plastic mold convenient for demolding, and the technical problem to be solved by the present invention is: how to remove bubbles and improve the demolding efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: a plastic mould convenient for demoulding comprises a base, wherein the top of the base is connected with a lower mould in a sliding manner, two ends of the lower mould are provided with shaking mechanisms, an upper mould is arranged above the lower mould, the top of the upper mould is provided with a scraping mechanism, a forming cavity is arranged between the upper mould and the lower mould, and two ends of the upper mould are provided with material injection nozzles communicated with the forming cavity;

the shaking mechanism comprises a first connecting rod which is rotatably connected with two ends of the lower die, one end of the first connecting rod, which is far away from the lower die, is rotatably connected with a second connecting rod, and a speed reduction motor which is in transmission connection with the second connecting rod is arranged in the base;

strike off the mechanism including the slider, the slider be located the mould top, and with go up mould sliding connection, the slider is inside to be equipped with scrapes the groove, it is equipped with the exhaust hole to go up the position that the mould corresponds and scrapes the groove, it is fixed to be equipped with the electric putter that promotes the slider reciprocating sliding to go up the mould top.

In a preferred embodiment, a supporting plate is fixedly arranged at the top of the lower die, hydraulic rods are symmetrically arranged at the top of the supporting plate, an output shaft of each hydraulic rod is connected with the upper die, and the cross section of the supporting plate is in an inverted L shape.

In a preferred embodiment, a cooling cavity is arranged inside the lower die, a water cavity is arranged at the bottom of the cooling cavity, spray heads are arranged at the top of the water cavity at intervals, and a water pump communicated with the spray heads is arranged inside the water cavity.

In a preferred embodiment, the base is provided with a water filling pipe and a water discharging pipe which are communicated with the water cavity.

In a preferred embodiment, one end of the scraping groove penetrates through the sliding block and is communicated with the outside.

In a preferred embodiment, the upper die is provided with a sliding groove at a position corresponding to the sliding block, and the sliding groove can guide the sliding block to slide.

In a preferred embodiment, the cooling cavity is internally provided with heat dissipation fins made of a metal material.

The utility model has the technical effects and advantages that:

1. according to the injection molding machine, the shaking mechanism is arranged, the first connecting rod pushes the mold after mold closing to shake, so that bubbles in liquid materials are shaken, the liquid materials are vibrated more uniformly, the bubble overflow rate is high, the effect of removing bubbles in the injection molding mold is achieved, the liquid materials are simultaneously injected from two sides of the upper mold through the material injection nozzle, redundant space can be extruded to the exhaust hole to be discharged outwards, the injection molding efficiency can be improved, the injection molding, the resonance and the exhaust are carried out simultaneously, bubble defects in the injection molding piece are removed, the quality of the injection molding piece is guaranteed, the electric push rod pushes the sliding block to cut off the materials extending out of the exhaust hole, the molded injection molding piece can be taken out conveniently by workers, the demolding is simple, and the cut materials can be recycled;

2. according to the utility model, the spray head is arranged, the spray head is sprayed into the cooling cavity, heat on the die can be quickly taken away by liquid, and the heat can be quickly dissipated into air to realize cooling when the liquid falls down by adopting a spraying mode, so that the heat dissipation efficiency of the die can be further enhanced through the heat dissipation fins, the product forming is accelerated, and the product cooling forming speed is high.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention.

Fig. 3 is a perspective view of the slider structure of the present invention.

FIG. 4 is a top view of the upper mold structure of the present invention.

The reference signs are: 1. a base; 2. a lower die; 3. an upper die; 4. a molding cavity; 5. a material injection nozzle; 6. a first link; 7. a second link; 8. a reduction motor; 9. a slider; 10. scraping the groove; 11. an exhaust hole; 12. an electric push rod; 13. a support plate; 14. a hydraulic lever; 15. a cooling chamber; 16. a water chamber; 17. a spray head; 18. and (4) radiating fins.

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.

The utility model provides a plastic mold convenient for demolding, which comprises a base 1, wherein the top of the base 1 is connected with a lower mold 2 in a sliding manner, two ends of the lower mold 2 are provided with shaking mechanisms, an upper mold 3 is arranged above the lower mold 2, the top of the upper mold 3 is provided with a scraping mechanism, a molding cavity 4 is arranged between the upper mold 3 and the lower mold 2, and two ends of the upper mold 3 are provided with material injection nozzles 5 communicated with the molding cavity 4;

the shaking mechanism comprises a first connecting rod 6 which is rotatably connected with two ends of the lower die 2, one end of the first connecting rod 6, which is far away from the lower die 2, is rotatably connected with a second connecting rod 7, and a speed reducing motor 8 which is in transmission connection with the second connecting rod 7 is arranged in the base 1;

the scraping mechanism comprises a sliding block 9, the sliding block 9 is located at the top of the upper die 3 and is in sliding connection with the upper die 3, a scraping groove 10 is formed in the sliding block 9, an exhaust hole 11 is formed in the position, corresponding to the scraping groove 10, of the upper die 3, and an electric push rod 12 for pushing the sliding block 9 to slide in a reciprocating mode is fixedly arranged at the top of the upper die 3.

The top of the lower die 2 is fixedly provided with a supporting plate 13, the top of the supporting plate 13 is symmetrically provided with hydraulic rods 14, the output shafts of the hydraulic rods 14 are connected with the upper die 3, the cross section of the supporting plate 13 is in an inverted L shape, one end of the scraping groove 10 penetrates through the sliding block 9 and is communicated with the outside, and the upper die 3 is provided with a sliding groove corresponding to the sliding block 9, and the sliding groove can guide the sliding block 9 to slide.

As shown in fig. 1 to 4, the embodiment specifically is: when the injection molding machine is used, a worker can start the speed reducing motor 8, the output shaft of the speed reducing motor 8 is fixedly connected with the second connecting rod 7, so that the second connecting rod 7 is driven to rotate, the first connecting rod 6 is connected to the second connecting rod 7 in a rotating mode, the first connecting rod 6 pushes the mold after mold closing to rock, bubbles in liquid materials vibrate, the liquid materials vibrate more uniformly, the bubble overflow rate is high, the effect of removing bubbles in the injection mold is achieved, the liquid materials are simultaneously injected from two sides of the upper mold 3 through the injection nozzle 5, not only can redundant spaces be extruded to the exhaust holes 11 to be outwards discharged, but also the injection molding efficiency can be improved, the injection molding, the resonance and the exhaust are simultaneously carried out, the bubble defects in injection molding parts are removed, the quality of the injection molding parts is guaranteed, the yield of the injection mold is improved, the materials flowing out from the exhaust holes 11 are blocked through the scraping grooves 10 in the sliding block 9, and when the material solidifies, through starting electric putter 12, electric putter 12 promotes slider 9 and can excise the material that stretches out exhaust hole 11, makes things convenient for the staff to take out the injection molding after the shaping to the material of excision still can be retrieved and is recycled.

The inside cooling chamber 15 that is equipped with of bed die 2, cooling chamber 15 bottom is equipped with water cavity 16, water cavity 16 top interval is equipped with shower nozzle 17, the inside water pump that communicates with shower nozzle 17 that is equipped with of water cavity 16, be equipped with water injection pipe and the drain pipe with water cavity 16 intercommunication on the base 1, cooling chamber 15 is inside to be equipped with radiating fin 18, radiating fin 18 is made by metal material.

As shown in fig. 1, the embodiment specifically includes: during the use, the staff can start the water pump, can carry shower nozzle 17 department with the liquid in the water cavity 16 during the water pump starts to in spraying cooling chamber 15 towards shower nozzle 17 direction, heat on the mould can be taken away fast to liquid, and adopt the mode of spraying, make liquid heat can give off the realization cooling in the air fast when falling down, can further strengthen the radiating efficiency of mould self through radiating fin 18, with higher speed the product shaping, product cooling shaping is fast.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 of the specification, an output shaft of a speed reducing motor 8 is fixedly connected with a second connecting rod 7, so that the second connecting rod 7 is driven to rotate, the first connecting rod 6 is connected to the second connecting rod 7 in a rotating mode, the first connecting rod 6 is enabled to push a die after die assembly to shake, bubbles in liquid materials are further vibrated, vibration of the liquid materials is more uniform, the liquid materials are simultaneously injected from two sides of an upper die 3 through a material injection nozzle 5, redundant space can be extruded to an exhaust hole 11 to be discharged outwards, materials flowing out of the exhaust hole 11 are blocked through a scraping groove 10 in a sliding block 9, and when the materials are solidified, the electric pushing rod 12 pushes the sliding block 9 to cut the materials extending out of the exhaust hole 11 by starting an electric pushing rod 12;

referring to the attached drawing 1 of the specification, a worker can start the water pump, when the water pump is started, liquid in the water cavity 16 is conveyed to the spray head 17 and sprayed to the cooling cavity 15 towards the spray head 17, the heat on the mold can be taken away quickly by the liquid, the heat can be quickly dissipated to the air when the liquid falls down to realize cooling by adopting a spraying mode, and the heat dissipation efficiency of the mold can be further enhanced through the heat dissipation fins 18.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a plastic mould convenient to drawing of patterns, includes base (1), its characterized in that: the top of the base (1) is connected with a lower die (2) in a sliding mode, shaking mechanisms are arranged at two ends of the lower die (2), an upper die (3) is arranged above the lower die (2), a scraping mechanism is arranged at the top of the upper die (3), a forming cavity (4) is arranged between the upper die (3) and the lower die (2), and material injection nozzles (5) communicated with the forming cavity (4) are arranged at two ends of the upper die (3);

the shaking mechanism comprises a first connecting rod (6) rotatably connected to two ends of the lower die (2), one end of the first connecting rod (6) far away from the lower die (2) is rotatably connected with a second connecting rod (7), and a speed reduction motor (8) in transmission connection with the second connecting rod (7) is arranged in the base (1);

strike off the mechanism including slider (9), slider (9) are located upper die (3) top, and with upper die (3) sliding connection, slider (9) inside is equipped with scrapes groove (10), the position that upper die (3) correspond scrapes groove (10) is equipped with exhaust hole (11), it is fixed to be equipped with in upper die (3) top and promotes slider (9) reciprocating sliding's electric putter (12).

2. The plastic mold for facilitating demolding as claimed in claim 1, wherein: the top of the lower die (2) is fixedly provided with a supporting plate (13), the tops of the supporting plates (13) are symmetrically provided with hydraulic rods (14), output shafts of the hydraulic rods (14) are connected with the upper die (3), and the cross section of the supporting plate (13) is in an inverted L shape.

3. The plastic mold for facilitating demolding as claimed in claim 1, wherein: the cooling device is characterized in that a cooling cavity (15) is arranged inside the lower die (2), a water cavity (16) is arranged at the bottom of the cooling cavity (15), spray heads (17) are arranged at the top of the water cavity (16) at intervals, and a water pump communicated with the spray heads (17) is arranged inside the water cavity (16).

4. The plastic mold for facilitating demolding as claimed in claim 3, wherein: the base (1) is provided with a water injection pipe and a water drainage pipe which are communicated with the water cavity (16).

5. The plastic mold for facilitating demolding as claimed in claim 1, wherein: one end of the scraping groove (10) penetrates through the sliding block (9) and is communicated with the outside.

6. The plastic mold for facilitating demolding as claimed in claim 1, wherein: the upper die (3) is provided with a sliding groove corresponding to the sliding block (9), and the sliding groove can guide the sliding block (9) to slide.

7. The plastic mold for facilitating demolding as claimed in claim 3, wherein: and heat radiating fins (18) are arranged inside the cooling cavity (15), and the heat radiating fins (18) are made of metal materials.