CN212764637U

CN212764637U - Injection mold capable of being cooled rapidly

Info

Publication number: CN212764637U
Application number: CN202021568610.9U
Authority: CN
Inventors: 刘朝阳
Original assignee: Chongqing Ruisheng Mould Co Ltd
Current assignee: Chongqing Ruisheng Mould Co Ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-03-23
Anticipated expiration: 2030-08-01

Abstract

The utility model belongs to the technical field of the mould cooling, especially, injection mold of rapid cooling, to current injection mold many through natural cooling, cooling rate is slower, forms the lower problem of product efficiency, the scheme as follows now is proposed, and it includes base, fixed mould and movable mould, and the die type groove has been seted up at the top of fixed mould, and one side intercommunication in die type groove has the hole of moulding plastics, fixed mould and movable mould swing joint, set up the L type cooling chamber that two symmetries set up on the fixed mould, seted up movable mould cooling chamber on the movable mould, the top of base is provided with the circulating pump, and the intercommunication has liquid feed pipe and tubular metal resonator respectively on the water inlet of circulating pump and the delivery port, and the intercommunication has the cooler bin on the liquid feed pipe, and the tubular metal resonator is linked together with an L type cooling chamber in two L type cooling chambers. The utility model discloses can use the coolant liquid cooling to moving die utensil and fixed mould, improve the cooling effect, improve product formation efficiency.

Description

Injection mold capable of being cooled rapidly

Technical Field

The utility model relates to a mould cooling technical field especially relates to a rapid cooling's injection mold.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The existing injection mold is mostly cooled naturally, the cooling speed is low, and the efficiency of forming products is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the prior injection mold is mostly cooled through the natural cooling, the cooling speed is slower, the lower defect of the product efficiency is formed, and the provided injection mold with the rapid cooling function is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold of rapid cooling, includes base, fixed mould and movable mould, and the top of fixed mould has seted up the mould groove, and one side intercommunication in mould groove has the hole of moulding plastics, fixed mould and movable mould swing joint, set up the L type cooling chamber that two symmetries set up on the fixed mould, seted up movable mould cooling chamber on the movable mould, the top of base is provided with the circulating pump, and the intercommunication has liquid delivery pipe and tubular metal resonator respectively on the water inlet of circulating pump and the delivery port, and the intercommunication has the cooler bin on the liquid delivery pipe, and the tubular metal resonator is linked together with one L type cooling chamber in two L type cooling chambers, and the intercommunication has same back flow between another L type cooling chamber in cooler bin and two L type cooling chambers, and the bottom symmetry intercommunication in movable mould cooling chamber has two communicating pipes, and the through-hole has all been seted up at the top in two L type cooling chambers, and.

Preferably, the fixed mounting has the lantern ring in the intercommunication tube, and the top fixed mounting of the lantern ring has two nail poles, and slidable mounting has same elasticity pole on two nail poles, and the bottom fixedly connected with arc end cap of elasticity pole, arc end cap and lantern ring looks adaptation install two springs between elasticity pole and two nail poles.

Preferably, a plurality of welding rods are fixedly mounted on the inner wall of the through hole, the same push rod is fixedly mounted on the welding rods, and the push rod is in contact with the arc-shaped plug.

Preferably, the outer side of the communicating pipe is fixedly sleeved with a sealing ring, and the sealing ring is in sliding connection with the corresponding through hole.

Preferably, a plurality of positioning rods are fixedly mounted at the top of the fixed die, a plurality of positioning grooves are formed in the bottom of the movable die, and the positioning rods are movably connected with the corresponding positioning grooves.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, cooling liquid is added into the cooling box, the movable mold is in matched contact with the fixed mold, the two communicating pipes respectively enter the two through holes and are in internal contact with the two through holes through the two sealing rings, the two push rods extrude the two arc-shaped plugs, so that the two arc-shaped plugs are respectively separated from the two lantern rings, and the two L-shaped cooling cavities can be respectively communicated with the two communicating pipes;

(2) the circulating pump is fed into one L-shaped cooling cavity of the two L-shaped cooling cavities through the liquid feeding pipe and the metal pipe, the cooling liquid enters the movable mold cooling cavity through a communicating pipe, the fixed mold is cooled through the two L-shaped cooling cavities, and the movable mold is cooled through the movable mold cooling cavity, so that the cooling effect can be improved, and meanwhile, the cooling liquid circularly enters the cooling box through the return pipe, so that the circulating cooling can be realized, and the cooling effect is improved;

(3) in the coolant liquid backward flow got into the cooler bin, with moving mould and the separation of fixed mould, two push rods left two arc end caps respectively, under the elastic force effect of spring, arc end cap and the lantern ring contact that corresponds can be sealed with the movable mould cooling chamber, avoid remaining liquid to drip.

The utility model discloses can use the coolant liquid cooling to moving die utensil and fixed mould, improve the cooling effect, improve product formation efficiency.

Drawings

Fig. 1 is a schematic structural view of an injection mold for rapid cooling according to the present invention;

fig. 2 is a schematic structural view of a part a in fig. 1 of an injection mold for rapid cooling according to the present invention;

fig. 3 is a schematic top view of a hole tube, a welding rod and a push rod of the injection mold with rapid cooling according to the present invention;

fig. 4 is the utility model provides a rapid cooling's injection mold's arc end cap and elastic rod's spatial structure sketch map.

In the figure: the device comprises a base 1, a fixed die 2, a movable die 3, a cooling tank 4, a return pipe 5, a 6L-shaped cooling cavity, a liquid delivery pipe 7, a circulating pump 8, a metal pipe 9, a movable die cooling cavity 10, an injection molding hole 11, a positioning rod 12, a positioning groove 13, a communicating pipe 14, a sealing ring 15, a through hole 16, a lantern ring 17, a nail rod 18, a spring 19, an elastic rod 20, an arc-shaped plug 21, a push rod 22 and a welding rod 23.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, an injection mold for rapid cooling comprises a base 1, a fixed mold 2 and a movable mold 3, wherein a mold groove is formed at the top of the fixed mold 2, one side of the mold groove is communicated with an injection hole 11, the fixed mold 2 is movably connected with the movable mold 3, two L-shaped cooling cavities 6 symmetrically arranged are formed in the fixed mold 2, a movable mold cooling cavity 10 is formed in the movable mold 3, a circulating pump 8 is arranged at the top of the base 1, a liquid feeding pipe 7 and a metal pipe 9 are respectively communicated with a water inlet and a water outlet of the circulating pump 8, a cooling box 4 is communicated with the liquid feeding pipe 7, the metal pipe 9 is communicated with one L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6, a same backflow pipe 5 is communicated between the cooling box 4 and the other L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6, the horizontal height of the backflow pipe 5 is greater than that of the liquid feeding pipe 7, two communicating pipes 14 are symmetrically communicated, through holes 16 are formed in the tops of the two L-shaped cooling cavities 6, and the two through holes 16 are respectively matched with the two communicating pipes 14.

In this embodiment, fixedly mounted has a lantern ring 17 in communicating pipe 14, and the top fixed mounting of lantern ring 17 has two nail poles 18, and slidable mounting has same elastic force pole 20 on two nail poles 18, and the bottom fixedly connected with arc end cap 21 of elastic force pole 20, arc end cap 21 and lantern ring 17 looks adaptation install two springs 19 between elastic force pole 20 and two nail poles 18, and spring 19 provides elasticity for arc end cap 21 through elastic force pole 20 for arc end cap 21 and lantern ring 17 contact.

In this embodiment, a plurality of welding rods 23 are fixedly installed on the inner wall of the through hole 16, the same push rod 22 is fixedly installed on the plurality of welding rods 23, the push rod 22 contacts with the arc plug 21, and the push rod 22 pushes the arc plug 21.

In this embodiment, the outer side of the communicating pipe 14 is fixedly sleeved with the sealing ring 15, the sealing ring 15 is slidably connected with the corresponding through hole 16, and the sealing ring 15 is arranged to seal the communicating pipe 14 and the through hole 16.

In this embodiment, a plurality of locating levers 12 are fixedly mounted at the top of the fixed mold 2, a plurality of locating grooves 13 are formed in the bottom of the movable mold 3, the locating levers 12 are movably connected with the corresponding locating grooves 13, and the movable mold 3 can be located through the matching of the locating levers 12 and the locating grooves 13.

Example two

Referring to fig. 1-4, an injection mold for rapid cooling comprises a base 1, a fixed mold 2 and a movable mold 3, wherein a mold groove is formed at the top of the fixed mold 2, one side of the mold groove is communicated with an injection hole 11, the fixed mold 2 is movably connected with the movable mold 3, two L-shaped cooling cavities 6 symmetrically arranged are formed in the fixed mold 2, a movable mold cooling cavity 10 is formed in the movable mold 3, a circulating pump 8 is arranged at the top of the base 1, a liquid feeding pipe 7 and a metal pipe 9 are respectively communicated with a water inlet and a water outlet of the circulating pump 8, a cooling box 4 is communicated with the liquid feeding pipe 7, the metal pipe 9 is communicated with one L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6, a same backflow pipe 5 is communicated between the cooling box 4 and the other L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6, the horizontal height of the backflow pipe 5 is greater than that of the liquid feeding pipe 7, two communicating pipes 14 are symmetrically communicated, through holes 16 are formed in the tops of the two L-shaped cooling cavities 6, the two through holes 16 are respectively matched with the two communicating pipes 14, and the return pipe 5 and the liquid sending pipe 7 are made of rubber materials.

In this embodiment, there is a lantern ring 17 through welded fastening in the communicating pipe 14, there are two nail poles 18 at the top of the lantern ring 17 through welded fastening, slidable mounting has the same elastic rod 20 on two nail poles 18, there is an arc-shaped plug 21 in the bottom of the elastic rod 20 through screw fixedly connected with, the arc-shaped plug 21 and the lantern ring 17 are adapted, two springs 19 are installed between the elastic rod 20 and two nail poles 18, the springs 19 provide elasticity for the arc-shaped plug 21 through the elastic rod 20, so that the arc-shaped plug 21 contacts with the lantern ring 17.

In this embodiment, a plurality of welding rods 23 are fixedly welded to the inner wall of the through hole 16, the same push rod 22 is fixedly welded to the plurality of welding rods 23, the push rod 22 contacts with the arc-shaped plug 21, and the push rod 22 pushes the arc-shaped plug 21.

In this embodiment, a plurality of locating levers 12 are installed through welded fastening in the top of decide mould 2, and a plurality of constant head tanks 13 have been seted up to the bottom of movable mould 3, and locating lever 12 and the constant head tank 13 swing joint that corresponds can fix a position movable mould 3 through locating lever 12 and the cooperation of constant head tank 13.

In the embodiment, the base 1 and the movable mold 3 are installed at appropriate positions, cooling liquid is added into the cooling box 4, the movable mold 3 is in fit contact with the fixed mold 2, the positioning rod 12 enters the corresponding positioning groove 13, the two communicating pipes 14 respectively enter the two through holes 16 and are in contact with the two through holes 16 through the two sealing rings 15, the two push rods 22 extrude the two arc-shaped plugs 21 so that the two arc-shaped plugs 21 are respectively separated from the two lantern rings 17, the two L-shaped cooling cavities 6 can be respectively communicated with the two communicating pipes 14, plastic is injected into the model groove on the fixed mold 2 through the injection molding hole 11, the circulating pump 8 is started, the circulating pump 8 is sent into one L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6 through the liquid sending pipe 7 and the metal pipe 9, the cooling liquid enters the movable mold cooling cavity 10 through one communicating pipe 14 and enters the other L-shaped cooling cavity 6 of the two L-shaped cooling cavities 6 through the, cool off fixed die utensil 2 through two L type cooling chamber 6, cool off moving die utensil 3 through movable mould cooling chamber 10, can improve the cooling effect, the coolant liquid passes through in 5 circulations of back flow entering cooling box 4, accomplish the cooling back, stop circulating pump 8, the coolant liquid backward flow gets into in the cooling box 4, with moving die utensil 3 and fixed die utensil 2 separation, two push rods 22 leave two arc end caps 21 respectively, under spring 19's elastic force effect, arc end cap 21 contacts with the lantern ring 17 that corresponds, can seal movable mould cooling chamber 10, avoid remaining liquid to drip, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the drawing is the schematic structure picture, concrete actual dimension can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. An injection mold capable of rapidly cooling comprises a base (1), a fixed mold (2) and a movable mold (3), wherein a mold groove is formed in the top of the fixed mold (2), an injection hole (11) is communicated with one side of the mold groove, the fixed mold (2) is movably connected with the movable mold (3), the injection mold is characterized in that two L-shaped cooling cavities (6) which are symmetrically arranged are formed in the fixed mold (2), a movable mold cooling cavity (10) is formed in the movable mold (3), a circulating pump (8) is arranged on the top of the base (1), a liquid feeding pipe (7) and a metal pipe (9) are respectively communicated with a water inlet and a water outlet of the circulating pump (8), a cooling box (4) is communicated with the liquid feeding pipe (7), the metal pipe (9) is communicated with one L-shaped cooling cavity (6) of the two L-shaped cooling cavities (6), the cooling box (4) is communicated with the other L-shaped cooling cavity (6) of the two L-shaped cooling cavities (6) through a same return pipe (5), the bottom of the movable mold cooling cavity (10) is symmetrically communicated with two communicating pipes (14), the tops of the two L-shaped cooling cavities (6) are provided with through holes (16), and the two through holes (16) are respectively matched with the two communicating pipes (14).

2. The injection mold capable of rapidly cooling according to claim 1, wherein a sleeve ring (17) is fixedly installed in the communicating pipe (14), two nail rods (18) are fixedly installed at the top of the sleeve ring (17), the same elastic rod (20) is installed on the two nail rods (18) in a sliding manner, an arc-shaped plug (21) is fixedly connected to the bottom of the elastic rod (20), the arc-shaped plug (21) is matched with the sleeve ring (17), and two springs (19) are installed between the elastic rod (20) and the two nail rods (18).

3. The injection mold capable of rapidly cooling as claimed in claim 1, wherein a plurality of welding rods (23) are fixedly mounted on the inner wall of the through hole (16), the same push rod (22) is fixedly mounted on the plurality of welding rods (23), and the push rod (22) is in contact with the arc-shaped plug (21).

4. The injection mold capable of rapidly cooling according to claim 1, wherein a sealing ring (15) is fixedly sleeved on the outer side of the communicating pipe (14), and the sealing ring (15) is slidably connected with the corresponding through hole (16).

5. The injection mold capable of rapidly cooling according to claim 1, wherein a plurality of positioning rods (12) are fixedly mounted at the top of the fixed mold (2), a plurality of positioning grooves (13) are formed at the bottom of the movable mold (3), and the positioning rods (12) are movably connected with the corresponding positioning grooves (13).