CN213055871U

CN213055871U - Injection mold with temperature adjusting mechanism

Info

Publication number: CN213055871U
Application number: CN202021906073.4U
Authority: CN
Inventors: 赵明刚
Original assignee: Dongguan Fuming Button Co ltd
Current assignee: Dongguan Fuming Button Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-04-27
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an injection mold with a temperature regulating mechanism, comprising a fixed mold and a movable mold. Through holes are provided on both sides of the fixed mold, and positioning columns are slidably connected in the two through holes. The two positioning columns are respectively It is fixedly connected on both sides of one end of the movable mold, the center of the fixed mold is provided with an injection hole, and the two sides of the other end of the movable mold are fixedly connected with electric telescopic rods. There is a water outlet pipe, a water cooling pipe is embedded in one side of the inside of the movable mold, one end of the water cooling pipe is fixedly connected with one end of the water inlet pipe, and the other end of the water cooling pipe is fixedly connected with the other end of the water outlet pipe. In the injection mold of the mechanism, the water-cooling tubes are closely arranged in a spiral, so that the cooling of the product is more uniform, and the deformation of the product due to uneven cooling is avoided. .

Description

Injection mold with temperature adjusting mechanism

Technical Field

The utility model relates to an injection mold specifically is an injection mold with temperature regulation mechanism.

Background

The injection mold is a tool for producing plastic products, is also called injection molding, and is a molding method combining injection and molding, and the injection molding method has the advantages of high production speed and efficiency, automation of operation, accurate product size, easy replacement of products, capability of forming parts with complex shapes, and the need of temperature adjustment and cooling of injection parts after injection molding is finished for improving production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold with temperature regulation mechanism to current injection mold who proposes in solving above-mentioned background art does not possess the function that adjusts the temperature, and the refrigerated area of contact that adjusts the temperature when perhaps adjusting the temperature is inhomogeneous, leads to the product to warp because of the cooling is uneven, influences product quality's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold with a temperature adjusting mechanism comprises a fixed mold and a movable mold, wherein through holes are formed in two sides of the fixed mold, positioning columns are connected in the through holes in a sliding manner, the two positioning columns are fixedly connected to two sides of one end of the movable mold respectively, an injection molding hole is formed in the center of the fixed mold, electric telescopic rods are fixedly connected to two sides of the other end of the movable mold, a water inlet pipe is fixedly communicated with the top of the movable mold, a water outlet pipe is fixedly communicated with the bottom of the movable mold, a water cooling pipe is embedded in one side inside the movable mold, one end of the water cooling pipe is fixedly communicated with one end of the water inlet pipe, the other end of the water cooling pipe is fixedly communicated with one end of the water outlet pipe, demolding holes are formed in two sides of the middle of the movable mold, demolding thimbles are inserted and connected into the demolding holes, and locking columns are fixedly connected to the, the top and the bottom of stationary mould all set up flutedly, two the lock post respectively with two the recess one-to-one sets up, first resettlement groove has been seted up to one side of lock post, the second resettlement groove has been seted up to one side of recess, the one end in first resettlement groove and the one end fixed connection of first spring, the other end of first spring and the one end fixed connection of bayonet lock, the one end fixed mounting in second resettlement groove has the electro-magnet.

As a preferred technical scheme of the utility model, one side fixed mounting of moving die possesses positive and negative switch, two electric telescopic handle is all through positive and negative switch and external power supply electric connection, one side fixedly connected with switch of deciding the mould, the electro-magnet passes through switch and external power supply electric connection.

As an optimized technical scheme of the utility model, form the die cavity between fixed mould and the movable mould, the water-cooling pipe is the tubular metal resonator of spiral arrangement, and the perpendicular distance of one side of water-cooling pipe outer wall and one side of die cavity is 0.3-0.5 centimetre.

As a preferred technical scheme of the utility model, the drawing of patterns thimble comprises thimble, limiting plate and second spring, one side fixedly connected with limiting plate of thimble, the outer wall cover of thimble is equipped with the second spring, the one end of limiting plate and the one end fixed connection of second spring, the other end of second spring and the middle part fixed connection of drawing of patterns downthehole wall.

As an optimized technical scheme of the utility model, the equal fixedly connected with antimagnetic protective sheath of inner wall in first resettlement groove and the inner wall in second resettlement groove.

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

1. the water-cooling pipes are spirally and tightly arranged, so that the product is cooled more uniformly, the product is prevented from being deformed due to nonuniform cooling, the distance between one side of the outer wall of the water-cooling pipe and one side of the die cavity is shorter, the temperature adjusting efficiency can be improved, the magnetization preventing protective sleeve has the magnetization preventing effect, and the situation that the clamping pins cannot be sucked into the second accommodating groove due to the fact that the fixed die and the movable die are magnetized by the electromagnet can be avoided;

2. the ejector pin can break away from the movable mould with the product fast after the product is moulded plastics and is accomplished, and the second spring can reset the ejector pin fast after the drawing of patterns is accomplished, and the limiting plate avoids the ejector pin to return excessively, leads to movable mould surface to form the pit, influences the quality of moulding plastics.

Drawings

FIG. 1 is a schematic structural view of an injection mold with a temperature adjustment mechanism according to the present invention;

FIG. 2 is a schematic view of the internal structure of an injection mold with a temperature adjustment mechanism according to the present invention;

FIG. 3 is a schematic view of a structure of a portion A of an injection mold with a temperature adjustment mechanism according to the present invention;

fig. 4 is the utility model relates to an injection mold drawing of patterns thimble structure sketch map with temperature regulation mechanism.

In the figure: 1. fixing a mold; 2. moving the mold; 3. a positioning column; 4. a positive and negative switch; 5. an electric telescopic rod; 6. a water inlet pipe; 7. a water-cooled tube; 8. a water outlet pipe; 9. a mold cavity; 10. demoulding holes; 11. demolding the thimble; 12. a lock cylinder; 13. a first placement groove; 14. a second placement groove; 15. a bayonet lock; 16. an electromagnet; 17. an anti-magnetization protective sleeve; 18. a first spring; 19. a power switch; 20. a thimble; 21. a limiting plate; 22. a second spring.

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 utility model provides an injection mold with a temperature adjusting mechanism, which comprises a fixed mold 1 and a movable mold 2, wherein both sides of the fixed mold 1 are provided with through holes, two positioning columns 3 are slidably connected in the through holes, two positioning columns 3 are respectively fixedly connected to both sides of one end of the movable mold 2, an injection hole is arranged at the center of the fixed mold 1, both sides of the other end of the movable mold 2 are fixedly connected with an electric telescopic rod 5, the top of the movable mold 2 is fixedly communicated with a water inlet pipe 6, the bottom of the movable mold 2 is fixedly communicated with a water outlet pipe 8, a water cooling pipe 7 is embedded at one side inside the movable mold 2, one end of the water cooling pipe 7 is fixedly communicated with one end of the water inlet pipe 6, the other end of the water cooling pipe 7 is fixedly communicated with one end of the water outlet pipe 8, both sides of the middle part of the movable mold 2 are, the equal fixedly connected with lock post 12 in the top of 2 one ends of movable mould and the bottom of one end, the top and the bottom of stationary mould 1 are all seted up flutedly, two lock posts 12 set up with two recess one-to-ones respectively, first resettlement groove 13 has been seted up to one side of lock post 12, second resettlement groove 14 has been seted up to one side of recess, the one end of first resettlement groove 13 and the one end fixed connection of first spring 18, the other end of first spring 18 and the one end fixed connection of bayonet lock 15, the one end fixed mounting of second resettlement groove 14 has electro-magnet 16.

Preferably, a positive and negative switch 4 is fixedly installed on one side of the movable mold 2, the two electric telescopic rods 5 are both electrically connected with an external power supply through the positive and negative switch 4, a power switch 19 is fixedly connected on one side of the fixed mold 1, the electromagnet 16 is electrically connected with the external power supply through the power switch 19, the electric telescopic rod 5 is started by pressing one button of the positive and negative switch 4 to drive the movable mold 2 to move forwards to be matched with the fixed mold 1, the power switch 19 is pressed after the matching is finished, the electromagnet 16 is electrified to suck one end of the clamping pin 15 into the second accommodating groove 14, thereby locking the fixed mold 1 and the movable mold 2, injecting injection molding liquid from the injection molding hole for injection molding, after the injection molding is finished, the power switch 19 is switched off, the first spring 18 pulls the bayonet 15 back into the first placing groove 13, the other button of the positive and negative switch 4 is pressed, and the electric telescopic rod 5 pulls the movable mould 2 back.

Preferably, a mold cavity 9 is formed between the fixed mold 1 and the movable mold 2, the water-cooled tube 7 is a metal tube which is spirally arranged, the vertical distance between one side of the outer wall of the water-cooled tube 7 and one side of the mold cavity 9 is 0.3-0.5 mm, the water-cooled tube 7 is spirally and tightly arranged, so that the product is cooled more uniformly, the product is prevented from being deformed due to nonuniform cooling, the distance between one side of the outer wall of the water-cooled tube 7 and one side of the mold cavity 9 is shorter, and the temperature adjusting efficiency can be improved.

Preferably, drawing of patterns thimble 11 is by thimble 20, limiting plate 21 and second spring 22 constitute, one side fixedly connected with limiting plate 21 of thimble 20, the outer wall cover of thimble 20 is equipped with second spring 22, the one end of limiting plate 21 and the one end fixed connection of second spring 22, the other end of second spring 22 and the middle part fixed connection of drawing of patterns hole 10 inner wall, thimble 20 can break away from movable mould 2 with the product fast after the product is moulded plastics and is accomplished, second spring 22 can reset thimble 20 fast after the drawing of patterns is accomplished, limiting plate 21 avoids thimble 20 to return excessively, lead to 2 superficial formation pits of movable mould, the influence quality of moulding plastics.

Preferably, the inner walls of the first accommodating groove 13 and the second accommodating groove 14 are fixedly connected with an anti-magnetization protective sleeve 17, the anti-magnetization protective sleeve 17 has an anti-magnetization effect, and the situation that the electromagnet 16 magnetizes the fixed mold 1 and the movable mold 2 to cause the bayonet 15 to be incapable of being sucked into the second accommodating groove 14 can be avoided.

When the injection mold with the temperature adjusting mechanism is used, the utility model discloses an injection mold with the temperature adjusting mechanism, a button electric telescopic rod 5 of a positive and negative switch 4 is pressed to start, a movable mold 2 is driven to move forward to be matched with a fixed mold 1, a power switch 19 is pressed after the matched die is completed, an electromagnet 16 is electrified to suck one end of a bayonet 15 into a second containing groove 14, thereby locking the fixed mold 1 and the movable mold 2, injection molding liquid is injected from an injection molding hole for injection molding, after the injection molding is completed, cooling water with actual required temperature is injected from one end of a water inlet pipe 6 according to production requirements, the cooling water adjusts the temperature of injection molding products along a water cooling pipe 7 and flows out along a water outlet pipe 8, the water cooling pipe 7 is spirally and tightly arranged, the temperature of the products is more uniformly cooled, the deformation of the products caused by nonuniform temperature reduction is avoided, the distance between one side of the outer wall of the water cooling pipe 7 and one side, the power switch 19 is disconnected after the temperature adjustment is completed, the first spring 18 of the power switch 19 pulls the bayonet 15 back into the first placing groove 13, another button of the positive and negative switch 4 is pressed, the electric telescopic rod 5 pulls the movable mould 2 back, the demoulding thimble 11 is pressed, the product is separated from the movable mould 2, the thimble 20 can separate the product from the movable mould 2 quickly, the second spring 22 can reset the thimble 20 quickly after the demoulding is completed, the limiting plate 21 prevents the thimble 20 from returning excessively, the pit is formed on the surface of the movable mould 2, the injection molding quality is influenced, the magnetization preventing protective sleeve 17 has the magnetization preventing effect, the electromagnet 16 can be prevented from magnetizing the fixed mould 1 and the movable mould 2, and the bayonet 15 cannot be sucked into the second placing groove 14.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An injection mold with a temperature adjusting mechanism comprises a fixed mold (1) and a movable mold (2), and is characterized in that through holes are formed in two sides of the fixed mold (1), positioning columns (3) are connected in the two through holes in a sliding manner, the two positioning columns (3) are respectively and fixedly connected to two sides of one end of the movable mold (2), an injection hole is formed in the center of the fixed mold (1), electric telescopic rods (5) are fixedly connected to two sides of the other end of the movable mold (2), a water inlet pipe (6) is fixedly communicated with the top of the movable mold (2), a water outlet pipe (8) is fixedly communicated with the bottom of the movable mold (2), a water cooling pipe (7) is embedded in one side of the interior of the movable mold (2), one end of the water cooling pipe (7) is fixedly communicated with one end of the water inlet pipe (6), the other end of the water cooling pipe (7) is fixedly communicated with one end of the water outlet pipe, demoulding hole (10) have all been seted up to the both sides at moving mould (2) middle part, the inside interlude of demoulding hole (10) is connected with drawing of patterns thimble (11), the top of moving mould (2) one end and the equal fixedly connected with lock post (12) in bottom of one end, the top and the bottom of stationary mould (1) all are seted up flutedly, two lock post (12) respectively with two recess one-to-one sets up, first resettlement groove (13) have been seted up to one side of lock post (12), second resettlement groove (14) have been seted up to one side of recess, the one end of first resettlement groove (13) and the one end fixed connection of first spring (18), the other end of first spring (18) and the one end fixed connection of bayonet lock (15), the one end fixed mounting of second resettlement groove (14) has electro-magnet (16).

2. An injection mold having a temperature adjustment mechanism according to claim 1, wherein: move one side fixed mounting of mould (2) and have positive and negative switch (4), two electric telescopic handle (5) all are through positive and negative switch (4) and external power supply electric connection, one side fixedly connected with switch (19) of deciding mould (1), electro-magnet (16) are through switch (19) and external power supply electric connection.

3. An injection mold having a temperature adjustment mechanism according to claim 1, wherein: a mold cavity (9) is formed between the fixed mold (1) and the movable mold (2), the water-cooling pipe (7) is a metal pipe which is spirally arranged, and the vertical distance between one side of the outer wall of the water-cooling pipe (7) and one side of the mold cavity (9) is 0.3-0.5 cm.

4. An injection mold having a temperature adjustment mechanism according to claim 1, wherein: drawing of patterns thimble (11) comprises thimble (20), limiting plate (21) and second spring (22), one side fixedly connected with limiting plate (21) of thimble (20), the outer wall cover of thimble (20) is equipped with second spring (22), the one end of limiting plate (21) and the one end fixed connection of second spring (22), the other end of second spring (22) and the middle part fixed connection of drawing of patterns hole (10) inner wall.

5. An injection mold having a temperature adjustment mechanism according to claim 1, wherein: the inner walls of the first placing groove (13) and the second placing groove (14) are fixedly connected with antimagnetic protective sleeves (17).