CN214027057U

CN214027057U - Quick refrigerated injection mold

Info

Publication number: CN214027057U
Application number: CN202022652380.0U
Authority: CN
Inventors: 陆根青; 张玲; 钟建香
Original assignee: Shenzhen Zhengyu Technology Industry Co ltd
Current assignee: Shenzhen Zhengyu Technology Industry Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-24
Anticipated expiration: 2030-11-17

Abstract

The utility model belongs to the technical field of injection molds, and discloses a rapid cooling injection mold, which comprises a lower mold, wherein an upper mold is arranged above the lower mold in the horizontal direction, a cavity is arranged between the lower mold and the upper mold, a bottom plate is arranged below the lower mold in the horizontal direction, a hydraulic cylinder is arranged in the vertical direction at one side position above the bottom plate, and the bottom of the hydraulic cylinder is fixedly connected with the bottom of the bottom plate, the utility model is provided with a cooling device, so that cooling liquid can enter the inside of a U-shaped pipeline arranged inside the lower mold by using the operation of a water pump to cool a workpiece to be molded, which is subjected to injection molding, in the upper cavity, the molding of the workpiece is accelerated, the cooling liquid can flow and circulate by using a water inlet pipe and a water outlet pipe, and the rapid cooling work with higher quality is provided for the workpiece, the work efficiency and the quality of the injection mold are improved.

Description

Quick refrigerated injection mold

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to quick refrigerated injection mold.

Background

Injection molding, also known as injection molding, is a molding method combining injection molding and molding, wherein a memorable injection molding operation requires an injection mold, a completely molten plastic material is injected into a cavity at a certain temperature, and a corresponding molded product is obtained after a period of cooling and solidification, so that the method is suitable for mass production of complex parts and is one of important processing methods.

And the current injection mold need wait for longer cooling time and just can make the work piece accomplish the shaping work after accomplishing the work of moulding plastics in the die cavity is inside, can not reach quick refrigerated effect, has influenced the fashioned work efficiency of product, and takes place the inhomogeneous condition of material loading easily when carrying out hot melt injection moulding work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick refrigerated injection mold to solve current injection mold and need longer cooling time just can make the fashioned problem of work piece and the problem of carrying out unloading work that can not be comparatively simple and convenient after the inside work of accomplishing injection molding of die cavity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick refrigerated injection mold, includes the lower mould, the top position horizontal direction of lower mould is provided with the mould, be provided with the die cavity between lower mould and the last mould, the below position horizontal direction of lower mould is provided with the bottom plate, the vertical direction in top one side position of bottom plate is provided with the pneumatic cylinder, the bottom fixed connection of pneumatic cylinder is in the bottom of bottom plate.

Preferably, a piston rod is arranged inside the hydraulic cylinder, a lower material plate is fixedly connected to the piston rod in the horizontal direction of one end far away from the hydraulic cylinder, an ejector rod is arranged in the vertical direction of one side of the position above the lower material plate, and the bottom of the ejector rod is fixedly connected to the lower material plate.

Preferably, a reset mechanism is arranged at the middle position above the blanking plate, the bottom of the reset mechanism comprises a base, the bottom of the base is fixedly connected to the blanking plate, a telescopic rod is fixedly connected to the top of the base in the vertical direction, one end, far away from the base, of the telescopic rod is fixedly connected to the cavity, and a spring is arranged outside the telescopic rod.

Preferably, a water pump is arranged on the other side of the upper portion of the bottom plate, the bottom of the water pump is fixedly connected to the bottom plate, an inlet pipe is fixedly connected to one end of the water pump, a first connecting seat is fixedly connected to one end, away from the water pump, of the inlet pipe, an outlet pipe is fixedly connected to the other end of the water pump, a second connecting seat is fixedly connected to one end, away from the water pump, of the outlet pipe, and a U-shaped pipe 11 is arranged between the first connecting seat and the second connecting seat.

Preferably, a heat insulation plate is arranged above the upper die in the horizontal direction, a driving rod is fixedly connected to one side of the heat insulation plate in the vertical direction, and a feeding hole is formed in the middle of the upper portion of the heat insulation plate.

Preferably, a panel is arranged between the heat insulation plate and the upper die, a main flow pipe is fixedly connected to the middle position inside the panel in the vertical direction, hot runner plates are arranged on two sides of the main flow pipe, a branch flow pipe is fixedly connected to the bottom of the main flow pipe, and a pouring gate is formed in the bottom of the branch flow pipe.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up cooling device, thereby the work of utilization water pump makes the coolant liquid can get into to set up inside U type pipeline of lower mould and to the inside work piece of treating the shaping of having accomplished moulding plastics of top die cavity cooling work of cooling down of having accomplished for the shaping of work piece, utilize inlet tube and outlet pipe can make the coolant liquid carry out the cooling work of circulation that flows, for the work piece provides comparatively quick and the higher cooling work of quality, improved injection mold's work efficiency and quality.

(2) The utility model discloses set up canceling release mechanical system, utilize canceling release mechanical system can make things convenient for and swift more work of unloading, carry out the unloading to fashioned work piece under the cooperation work of driving piece and ejector pin and handle, canceling release mechanical system utilizes spring and telescopic link to make the simple and convenient recovery of lower mould to original operating position after accomplishing unloading work, has strengthened injection mold's working property.

(3) The utility model discloses set up the multithread way of moulding plastics, thereby be provided with a plurality of subchannels can be more even with heat mould the fluid and cause the die cavity to carry out cooling work, improved the shaping efficiency of work piece, and be provided with the hot runner board in the sprue outside, guaranteed that the fluid of moulding plastics enters into to the inside operating temperature of each subchannel by the sprue, guaranteed injection mold's operating quality.

Drawings

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

fig. 2 is a schematic structural view of the resetting mechanism of the present invention;

fig. 3 is a top view of the water pump of the present invention;

fig. 4 is a top view of the main flow pipe of the present invention;

in the figure: 1. a lower die; 2. an upper die; 3. a base plate; 4. a hydraulic cylinder; 40. a piston rod; 5. a blanking plate; 6. a top rod; 7. a reset mechanism; 70. a base; 71. a telescopic rod; 72. a spring; 8. a water pump; 9. a water inlet pipe; 90. a first connecting seat; 10. a water outlet pipe; 100. a second connecting seat; 11. a U-shaped pipe; 12. a cavity; 13. a heat insulation plate; 14. a drive rod; 15. a feed inlet; 16. a panel; 160. a hot runner plate; 17. a main flow pipe; 170. a bypass pipe; 171. and a gate.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a quick refrigerated injection mold, includes lower mould 1, the top position horizontal direction of lower mould 1 is provided with mould 2, be provided with die cavity 12 between lower mould 1 and the last mould 2, the below position horizontal direction of lower mould 1 is provided with bottom plate 3, the vertical direction in top one side position of bottom plate 3 is provided with pneumatic cylinder 4, pneumatic cylinder 4 is provided with two altogether, two pneumatic cylinders 4 set up along the horizontal center line symmetry of unloading board 5, the bottom fixed connection of pneumatic cylinder 4 is in the bottom of bottom plate 3.

Further, the inside of pneumatic cylinder 4 is provided with piston rod 40, thereby piston rod 40 can take place the extension motion under the operating condition of pneumatic cylinder 4 and drive down flitch 5 and carry out unloading work, flitch 5 under the one end horizontal direction fixedly connected with of pneumatic cylinder 4 is kept away from to piston rod 40, the vertical direction in top one side position of unloading board 5 is provided with ejector pin 6, the bottom fixed connection of ejector pin 6 is in flitch 5 down, ejector pin 6 is provided with four altogether, per two symmetric distribution are in the both sides position of flitch 5 down.

Further, the upper middle position of the blanking plate 5 is provided with the resetting mechanism 7, the bottom of the resetting mechanism 7 comprises a base 70, the bottom of the base 70 is fixedly connected to the blanking plate 5, the top of the base 70 is fixedly connected with a telescopic rod 71 in the vertical direction, one end of the telescopic rod 71 far away from the base 70 is fixedly connected to the cavity 12, a spring 72 is arranged outside the telescopic rod 71, the bottom of the spring 72 is also fixedly connected to the base 70, and the resetting mechanism 7 is mainly used for rapidly and simply restoring the lower die 1 to the original working position after the blanking operation is completed.

Specifically, a water pump 8 is arranged at the other side position above the bottom plate 3, the model of the water pump 8 is ZW25-8-15, the bottom of the water pump 8 is fixedly connected to the bottom plate 3, one end of the water pump 8 is fixedly connected with a water inlet pipe 9, one end of the water inlet pipe 9 far away from the water pump 8 is fixedly connected with a first connecting seat 90, the first connecting seat 90 is arranged at the joint of the outer wall of the lower die 1 and the water inlet pipe 9 to ensure the sealing property between the outer wall of the lower die and the water inlet pipe 9, the other end of the water pump 8 is fixedly connected with a water outlet pipe 10, one end of the water outlet pipe 10 far away from the water pump 8 is fixedly connected with a second connecting seat 100, the second connecting seat 100 correspondingly ensures the sealing property between the water outlet pipe 10 and the lower die 1, a U, when the cooling liquid in the pipe body circularly flows under the working state of the water pump 8, the workpiece in the cavity 12 can be rapidly cooled.

It is worth explaining that a heat insulation plate 13 is arranged in the horizontal direction above the upper die 2, a driving rod 14 is fixedly connected to one side of the position above the heat insulation plate 13 in the vertical direction, the driving rod 14 is driven by the driving part above the injection die to separate the upper die 2 from the lower die 1 so as to perform blanking operation, and a feeding hole 15 is formed in the middle position above the heat insulation plate 13.

Further, be provided with panel 16 between heat insulating board 13 and the last mould 2, the vertical direction fixedly connected with main flow tube 17 of the inside intermediate position of panel 16, the both sides of main flow tube 17 are provided with hot runner plate 160, hot runner plate 160 has guaranteed the operating temperature when the material of moulding plastics under the molten condition gets into tributary pipe 170 by main flow tube 17, prevent that it from cooling in advance between getting into cavity 12, it is unsatisfactory to lead to the effect of moulding plastics, main flow tube 17's bottom fixedly connected with tributary pipe 170, runner 171 has been seted up to tributary pipe 170's bottom.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the feeding work is carried out on the melted injection molding material through the feeding hole 15, the injection molding material passes through the main flow pipe 17, enters the inside of each branch flow pipe 170 under the heat preservation effect of the hot flow channel plates 160 at the two sides outside the main flow pipe 17 and finally enters the cavity 12 between the upper die 2 and the lower die 1 through the pouring gate 171 at the bottom of the branch flow pipe 170, after the melted injection molding material enters the cavity 12, the rapid cooling treatment work is needed to be carried out on the melted injection molding material, the water pump 8 positioned above the bottom plate 3 is started, the cooling liquid inside the U-shaped pipe 11 positioned below the cavity 12 is correspondingly flowed under the working state of the water pump 8 to play the role of accelerating the molding of the injection molding material, the cooling liquid inside the U-shaped pipe 11 finishes the work of entering and exiting the water pump 8 through the water inlet pipes 9 and the water outlet pipes 10 at the two sides to realize the circulation, after the work piece inside the cavity 12 finishes the molding work, the hydraulic cylinder 4 is used for driving the blanking plate 5 to move upwards, so that the ejector rod 6 carries out blanking work on a formed workpiece in the cavity 12 from bottom to top, after the blanking work is finished, the lower die 1 is restored to the working position of the feeding processing money under the corresponding elastic work generated by the resetting mechanism 7, and the lower die continues to be matched with the upper die 2 for carrying out injection molding work.

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 quick refrigerated injection mold, includes lower mould (1), its characterized in that: an upper die (2) is arranged above the lower die (1) in the horizontal direction, a cavity (12) is arranged between the lower die (1) and the upper die (2), a bottom plate (3) is arranged below the lower die (1) in the horizontal direction, a hydraulic cylinder (4) is arranged on one side above the bottom plate (3) in the vertical direction, and the bottom of the hydraulic cylinder (4) is fixedly connected to the bottom of the bottom plate (3);

a piston rod (40) is arranged inside the hydraulic cylinder (4), one end, far away from the hydraulic cylinder (4), of the piston rod (40) is fixedly connected with a blanking plate (5) in the horizontal direction, a push rod (6) is arranged on one side above the blanking plate (5) in the vertical direction, and the bottom of the push rod (6) is fixedly connected to the blanking plate (5);

the material discharging device is characterized in that a reset mechanism (7) is arranged in the middle of the upper portion of the material discharging plate (5), the bottom of the reset mechanism (7) comprises a base (70), the bottom of the base (70) is fixedly connected to the material discharging plate (5), a telescopic rod (71) is fixedly connected to the top of the base (70) in the vertical direction, one end, far away from the base (70), of the telescopic rod (71) is fixedly connected to the cavity (12), and a spring (72) is arranged outside the telescopic rod (71).

2. A rapid cooling injection mold as set forth in claim 1, wherein: the utility model discloses a water pump, including bottom plate (3), the top of bottom plate (3) other side position is provided with water pump (8), the bottom fixed connection of water pump (8) is in bottom plate (3), the one end fixedly connected with inlet tube (9) of water pump (8), the first connecting seat of one end fixedly connected with (90) of water pump (8) are kept away from in inlet tube (9), the other end fixedly connected with outlet pipe (10) of water pump (8), the one end fixedly connected with second connecting seat (100) of water pump (8) are kept away from in outlet pipe (10), be provided with U type pipe (11) between first connecting seat (90) and second connecting seat (100).

3. A rapid cooling injection mold as set forth in claim 1, wherein: the die is characterized in that a heat insulation plate (13) is arranged in the horizontal direction above the upper die (2), a driving rod (14) is fixedly connected to one side of the position above the heat insulation plate (13) in the vertical direction, and a feeding hole (15) is formed in the middle position above the heat insulation plate (13).

4. A rapid cooling injection mold as set forth in claim 3, wherein: be provided with panel (16) between heat insulating board (13) and last mould (2), the vertical direction fixedly connected with mainstream pipe (17) of the inside intermediate position of panel (16), the both sides of mainstream pipe (17) are provided with hot runner plate (160), the bottom fixedly connected with branch flow pipe (170) of mainstream pipe (17), runner (171) have been seted up to the bottom of branch flow pipe (170).