CN213830124U

CN213830124U - Syringe needle mould with quick cooling effect

Info

Publication number: CN213830124U
Application number: CN202022897166.1U
Authority: CN
Inventors: 李纳新
Original assignee: Wuxi Linkai Precision Industry Co ltd
Current assignee: Wuxi Linkai Precision Industry Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-30
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a syringe needle mould with quick cooling effect belongs to mould technical field, and it includes the movable mould, the upper surface of movable mould and the lower fixed surface of mould benevolence are connected, mould benevolence sliding connection is in the die cavity, the lower surface at the cover half is seted up to the die cavity, a plurality of nib has been seted up to the upper surface of mould benevolence. This syringe needle mould with quick cooling effect, through setting up the movable mould, spiral hole and exhaust vent, when the drawing of patterns, the piston is the indent of giving vent to anger at great pulling force effect gliding, make its external gas flow rapidly backward and go into the spiral hole through the exhaust vent, cool down it, the continuous cooling when the compound die can be kept to this kind of mode, in order to reach constant temperature's effect, simultaneously when the drawing of patterns, it is very fast to make its air current velocity of flow under great pulling force effect, the reinforcing cooling effect, it is more quick to make its drawing of patterns, the cooling effect is better, it makes things convenient for the certain refrigerated time that has reduced to a certain extent to use, the cycle of production has been shortened, the productivity has been promoted.

Description

Syringe needle mould with quick cooling effect

Technical Field

The utility model belongs to the technical field of the mould, specifically be a syringe needle mould with quick cooling effect.

Background

In the industrial production of mould, various moulds and tools are used for obtaining the required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting or stamping, in short, the mould is a tool for manufacturing the formed article, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of the article is realized mainly by changing the physical state of the formed material, the tool is called as 'industrial mother' and can be widely used for blanking, die forging, cold heading, extrusion, pressing and pressure casting of powder metallurgy parts and compression moulding or injection moulding of engineering plastics, rubber, ceramics and other products under the action of external force, the area of a mould hole of the needle head mould is smaller when the needle head mould is used, the heat dissipation rate is slower when the needle head mould is used, so that the needle head mould is easy to cool slowly and the injection mould opening time of a single product is prolonged, directly reduces the production period of demoulding production, and is not beneficial to the optimization and improvement of production performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a syringe needle mould with quick cooling effect has solved present syringe needle mould when using its nib the area less, and in use heat dissipation rate is slower often, thereby makes it appear cooling slowly and prolong the mould opening time of moulding plastics of single product easily, has directly reduced the production cycle of drawing of patterns production, is unfavorable for the optimization of productivity and the problem that improves.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a needle head die with a quick cooling effect comprises a moving die, wherein the upper surface of the moving die is fixedly connected with the lower surface of a die core, the die core is connected in a die groove in a sliding manner, the die groove is formed in the lower surface of a fixed die, a plurality of die holes are formed in the upper surface of the die core, a vent is formed in the lower surface of the moving die, a plurality of air pressure grooves are formed in the upper surface of the moving die, the lower surface of the fixed die is fixedly connected with the upper surfaces of a plurality of fixed cylinders, springs are arranged on the inner walls of the fixed cylinders, slide rods are arranged at the bottom ends of the springs and are connected in the slide holes in a sliding manner, the slide holes are formed in the lower surfaces of the inner walls of the fixed cylinders, the bottom ends of the slide rods are fixedly connected with the upper surfaces of pistons, the pistons are connected in the corresponding air pressure grooves in a sliding manner, and the right side surfaces of the inner walls of the air pressure grooves are communicated with the bottom ends of spiral holes through guide channels, the top end of the spiral hole is communicated with the upper surface of the inner wall of the ventilation opening through the air outlet hole, and the die core is internally provided with a plurality of heat conduction fins.

As a further aspect of the present invention: the surface joint of heat conduction fin is at the upper surface of vent inner wall, the inner wall joint of vent has the otter board, the otter board is the stereoplasm wire net, and a plurality of heat conduction fin is located the otter board.

As a further aspect of the present invention: the surface of movable mould is provided with a plurality of second mounting panel, the surface of cover half is provided with the first mounting panel of a plurality of, the surface of first mounting panel and second mounting panel all is provided with the mounting hole.

As a further aspect of the present invention: the spiral hole is positioned on the surface of the corresponding die hole and is spirally coiled, and the surface of the piston is tightly attached to the inner wall of the air pressure groove.

As a further aspect of the present invention: the top of spring and the lower fixed surface of cover half are connected, the stopper fixed connection that the bottom and the slide bar top of spring set up.

(III) advantageous effects

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

1. the needle head mould with the rapid cooling effect is characterized in that a movable mould, a fixed mould, a mould core, a fixed cylinder, a slide rod, a piston, a spring, a pneumatic groove, a flow guide channel, a spiral hole and an air outlet hole are arranged, when in use, the movable mould drives the mould core to move into the mould cavity, then the piston enters the pneumatic groove, gas in the pneumatic groove enters the spiral hole through the flow guide channel, so that the metal heat around the mould hole is reduced, the heat is carried into a ventilation opening, the temperature in the mould hole is kept proper during injection molding, meanwhile, the slide rod still presses the piston under the action of the spring after the movable mould and the fixed mould are combined, the flow of air current is kept, when in demoulding, the piston slides out of the pneumatic groove under the action of larger pulling force, so that the gas outside of the piston rapidly flows back into the spiral hole through the air outlet hole, the mold is cooled, the mode can keep continuous cooling during mold closing so as to achieve the effect of constant temperature, meanwhile, the airflow speed is fast under the action of large tensile force during demolding, the cooling effect is enhanced, the demolding is fast, the cooling effect is better, the use is more convenient, the cooling time is reduced to a certain extent, the production period is shortened, and the productivity is improved.

2. This syringe needle mould with quick cooling effect, through setting up heat conduction fin, the vent, mould benevolence, movable mould and otter board, the temperature of mould benevolence passes through heat conduction fin conduction when using, make in its heat gets into the vent, inside heat obtains the amplitude to disperse when the air current flows in the vent and the movable mould moves afterwards, make it can play the effect to the mould benevolence cooling, make its cooling rate faster, cooperate the otter board simultaneously, the otter board makes the surface of temperature conduction to the otter board of its a plurality of heat conduction fin, further strengthen radiating effect, make the in-process radiating effect of its use more quick.

3. This syringe needle mould with quick cooling effect, through setting up stopper, first mounting panel and solid fixed cylinder, when the slide bar motion, it receives under the effort of piston, the stopper on its top can keep good location to the slide bar with the cooperation of solid fixed cylinder, makes it can receive the condition that slippage can not appear in great pulling force, through setting up first mounting panel, and first mounting panel conveniently carries out stable installation to the cover half.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

fig. 3 is a schematic front view of a cross-sectional structure of the present invention;

in the figure: the die comprises a moving die 1, a die core 2, a fixed die 3, a die cavity 4, a die hole 5, a vent hole 6, a pneumatic groove 7, a fixed cylinder 8, a spring 9, a slide hole 10, a slide rod 11, a piston 12, a flow guide channel 13, a spiral hole 14, an air outlet hole 15, a heat-conducting fin 16, a screen plate 17, a first mounting plate 18 and a second mounting plate 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a needle head mould with a quick cooling effect comprises a movable mould 1, wherein the upper surface of the movable mould 1 is fixedly connected with the lower surface of a mould core 2, the mould core 2 is connected in a mould groove 4 in a sliding manner, the mould groove 4 is arranged on the lower surface of a fixed mould 3, the upper surface of the mould core 2 is provided with a plurality of mould holes 5, the lower surface of the movable mould 1 is provided with a vent 6, the upper surface of the movable mould 1 is provided with a plurality of air pressure grooves 7, the lower surface of the fixed mould 3 is fixedly connected with the upper surfaces of a plurality of fixed cylinders 8, the inner walls of the fixed cylinders 8 are provided with springs 9, the bottom ends of the springs 9 are provided with slide rods 11, the slide rods 11 are connected in slide holes 10 in a sliding manner, the slide holes 10 are arranged on the lower surfaces of the inner walls of the fixed cylinders 8, the bottom ends of the slide rods 11 are fixedly connected with the upper surfaces of pistons 12, the pistons 12 are connected in the corresponding air pressure grooves 7 in a sliding manner, and the right side surfaces of the inner walls of the air pressure grooves 7 are communicated with the bottom ends of spiral holes 14 through guide channels 13, the top end of the spiral hole 14 is communicated with the upper surface of the inner wall of the ventilation opening 6 through an air outlet hole 15, and a plurality of heat conducting fins 16 are arranged in the die core 2.

Specifically, as shown in fig. 1 and 2, the surface of the heat conducting fin 16 is clamped on the upper surface of the inner wall of the vent 6, the inner wall of the vent 6 is clamped with a mesh plate 17, the mesh plate 17 is a hard steel wire mesh, a plurality of heat conducting fins 16 are positioned in the mesh plate 17, the surface of the movable mold 1 is provided with a plurality of second mounting plates 19, the surface of the fixed mold 3 is provided with a plurality of first mounting plates 18, the surfaces of the first mounting plates 18 and the second mounting plates 19 are both provided with mounting holes, by arranging the heat-conducting fins 16, the heat-conducting fins 16 can conduct good heat conduction effect on the mold core 2 when in use, so that the heat inside the mold core can be dissipated quickly, by arranging the mesh plate 17, the mesh plate 17 is a hard steel wire mesh, so that the protective effect is good, possess good radiating effect simultaneously, through setting up first mounting panel 18, first mounting panel 18 and second mounting panel 19 can keep the installation and the fixed to cover half 3 and movable mould 1 respectively.

Specifically, as shown in fig. 3, the spiral hole 14 is located the 5 surfaces of corresponding nib and spiral hole 14 and is the spiral coiled setting, the surface of piston 12 closely laminates with the inner wall of atmospheric pressure groove 7, the top of spring 9 and the lower fixed surface of cover half 3 are connected, the stopper fixed connection that the bottom of spring 9 and the 11 tops of slide bar set up, through setting up spiral hole 14, spiral hole 14 can keep good radiating effect when inside air current flows, through setting up piston 12, piston 12 can play the fine effect that switches on the air current, through setting up the stopper, the stopper can keep spacing and the support stable to slide bar 11 with the cooperation of fixed cylinder 8 down.

The utility model discloses a theory of operation does:

s1, moving the core of the moving die 1 along with the moving die 1 into the die cavity 4, then moving the piston 12 into the air pressure groove 7, and making the air in the air pressure groove 7 enter the spiral hole 14 through the flow guide channel 13, so that the metal heat around the die hole 5 is reduced and carried into the vent 6;

s2, keeping the temperature in the die hole 5 proper when the mold is injected, and keeping the slide rod 11 still pressing the piston 12 under the action of the spring 9 to keep the flow of the air current after the movable mold 1 and the fixed mold 3 are closed because the moving speed of the movable mold 1 is compared with the flow speed difference of the flow guide channel 13, when the mold is released, the piston 12 slides out of the air pressure groove 7 under the action of large pulling force, so that the external air rapidly flows back into the spiral hole 14 through the air outlet hole 15 to cool the spiral hole, and meanwhile, the temperature of the mold core 2 is conducted through the heat conducting fin 16;

s3, making the heat of the mold enter the vent 6, then making the air flow in the vent 6 and the heat inside the movable mold 1 move dispersed, making the mold core 2 cool down, making the cooling speed faster, and at the same time, cooperating with the screen 17, the screen 17 makes the temperature of the heat conduction fins 16 conducted to the surface of the screen 17 for heat dissipation.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a syringe needle mould with quick cooling effect, includes movable mould (1), its characterized in that: the upper surface of the movable mold (1) is fixedly connected with the lower surface of the mold core (2), the mold core (2) is slidably connected in a mold groove (4), the lower surface of the fixed mold (3) is arranged in the mold groove (4), a plurality of mold holes (5) are arranged on the upper surface of the mold core (2), a vent (6) is arranged on the lower surface of the movable mold (1), a plurality of air pressure grooves (7) are arranged on the upper surface of the movable mold (1), the lower surface of the fixed mold (3) is fixedly connected with the upper surfaces of a plurality of fixed cylinders (8), springs (9) are arranged on the inner walls of the fixed cylinders (8), slide bars (11) are arranged at the bottom ends of the springs (9), the slide bars (11) are slidably connected in slide holes (10), the slide holes (10) are arranged on the lower surfaces of the inner walls of the fixed cylinders (8), the bottom ends of the slide bars (11) are fixedly connected with the upper surfaces of pistons (12), the mold is characterized in that the pistons (12) are connected in the corresponding air pressure grooves (7) in a sliding mode, the right side faces of the inner walls of the air pressure grooves (7) are communicated with the bottom ends of the spiral holes (14) through guide channels (13), the top ends of the spiral holes (14) are communicated with the upper surfaces of the inner walls of the ventilation openings (6) through air outlet holes (15), and a plurality of heat conduction fins (16) are arranged in the mold core (2).

2. A needle tip mold having a rapid cooling effect as claimed in claim 1, wherein: the surface joint of heat conduction fin (16) is at the upper surface of vent (6) inner wall, the inner wall joint of vent (6) has otter board (17), otter board (17) are hard wire net, and a plurality of heat conduction fin (16) are located otter board (17).

3. A needle tip mold having a rapid cooling effect as claimed in claim 1, wherein: the surface of movable mould (1) is provided with a plurality of second mounting panel (19), the surface of cover half (3) is provided with a plurality of first mounting panel (18), the surface of first mounting panel (18) and second mounting panel (19) all is provided with the mounting hole.

4. A needle tip mold having a rapid cooling effect as claimed in claim 1, wherein: the spiral hole (14) is positioned on the surface of the corresponding die hole (5), the spiral hole (14) is spirally coiled, and the surface of the piston (12) is tightly attached to the inner wall of the air pressure groove (7).

5. A needle tip mold having a rapid cooling effect as claimed in claim 1, wherein: the top of spring (9) and the lower fixed surface of cover half (3) are connected, the stopper fixed connection that the bottom and the slide bar (11) top of spring (9) set up.