CN112848175A

CN112848175A - Injection mold capable of being cooled uniformly and plastic product rapid production system

Info

Publication number: CN112848175A
Application number: CN202011576624.XA
Authority: CN
Inventors: 韩艳斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-28

Abstract

The invention discloses an injection mold capable of being uniformly cooled and a rapid production system of plastic products, and relates to the technical field of injection molds, which comprises a shell, wherein the top of the shell is provided with a groove, the bottom and four side surfaces of the groove are fixedly provided with a plurality of positioning blocks at intervals, a mold is placed in the groove, an annular concave hole is formed in the shell, the lower end of the annular concave hole is fixedly provided with a sealing plate, the bottom in the annular concave hole is fixedly provided with a refrigerator, the refrigerator is connected with a first through pipe, the first through pipe is provided with an electric valve, the bottom in the groove is provided with a temperature sensor, the first through pipe and the sealing plate are hermetically installed, the top of the first through pipe is fixedly provided with a connecting pipe, the inner side of the connecting pipe is fixedly provided with a plurality of branch pipes, and the inner, this method is time-consuming and the cooling device currently used for assisting the injection mold generally has the problem of uneven cooling.

Description

Injection mold capable of being cooled uniformly and plastic product rapid production system

Technical Field

The invention relates to the technical field of injection molds, in particular to an injection mold capable of being cooled uniformly and a plastic product rapid production system.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used when producing some parts with complex shapes in batches, and particularly relates 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, wherein the injection molding mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

Because the injection mold always keeps higher temperature in the production process, the existing injection mold is mostly automatically cooled, for example, chinese patent application CN2017102504904 discloses a cooling device for a casting mold, which includes a frame, the casting mold is fixed on the frame, a cooling equalization box is slidably connected to a side surface of the casting mold, a first spring is connected between the cooling equalization box and the frame, the cooling equalization box is communicated with a water storage tank, a first water pump and a second water pump are disposed on the frame, the cooling equalization box is connected to a water inlet end of the first water pump, a water outlet end of the first water pump is communicated with a circulating water tank, the water storage tank is connected to a water outlet end of the second water pump, a water inlet end of the second water pump is communicated with the circulating water tank, a temperature equalization hole is formed in the cooling equalization box, water spray holes staggered with the temperature equalization hole are formed in the water storage tank, and a delay mechanism for delaying closing of the second water pump and delaying opening of the first water. The cooling method in the prior art takes a long time, and the cooling device for assisting the injection mold generally has the problem of uneven cooling, so the invention provides the injection mold capable of cooling uniformly to solve at least one problem in the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an injection mold capable of being uniformly cooled, and the specific technical scheme is as follows:

an injection mold capable of being cooled uniformly comprises a shell, wherein the top of the shell is provided with a groove, the bottom and four side surfaces of the groove are fixedly provided with a plurality of positioning blocks at intervals, a mold is placed in the groove, an annular concave hole is formed in the shell, a sealing plate is fixedly arranged at the lower end of the annular concave hole, a refrigerator is fixedly arranged at the bottom in the annular concave hole, the refrigerator is connected with a first through pipe, an electric valve is arranged on the first through pipe, a temperature sensor is arranged at the bottom in the groove and electrically connected with a temperature controller, the temperature controller is electrically connected with the refrigerator, the first through pipe penetrates through the sealing plate and extends upwards, the first through pipe and the sealing plate are mounted in a sealing manner, a connecting pipe is fixedly arranged at the top of the first through pipe, a plurality, the refrigerator is characterized in that a plurality of holes are formed in the inner side of the groove, the holes are in one-to-one correspondence with the branch pipes, the branch pipes penetrate through the holes, the other ends of the branch pipes are located between two adjacent positioning blocks, the refrigerator is connected with an air inlet pipe, and the air inlet pipe penetrates through the shell and extends outwards.

Preferably, the number of the refrigerators is two, the two refrigerators are connected through a through pipe II, and the through pipe II is connected with the through pipe I.

And the top and the bottom of the sealing plate are fixedly provided with sealing rings, and the sealing rings are hermetically sleeved outside the through pipe I.

Preferably, the mould top has been seted up the standing groove, bottom both sides are the fixed electronic jar that is provided with respectively in the standing groove, two electronic jar all is connected with the switch electricity, the switch mounting is in the casing outside, two electronic jar top is all fixed and is provided with the lifter plate, the lifter plate both ends all slide the setting from top to bottom through the piston in the standing groove, the thickness of piston with the thickness of lifter plate is the same, the piston adopts corrosion-resistant material to make.

Preferably, clamping grooves are respectively formed in two sides of the upper end in the placing groove, clamping blocks are arranged in the clamping grooves in a sliding mode, the clamping blocks are arranged in the clamping grooves in a vertical sliding mode, and a first handle is fixedly arranged at the tops of the two clamping blocks.

Preferably, the first handle is made of stainless steel, and the first handle is rectangular.

Preferably, the mold comprises an outer layer, a first reinforcing layer is fixedly arranged on the inner side of the outer layer, a heat conduction layer is fixedly arranged on the inner side of the first reinforcing layer, and a second reinforcing layer is fixedly arranged on the inner side of the heat conduction layer.

Preferably, the lower extreme of casing openly is provided with the switch door, the openly fixed handle two that is provided with in one side of switch door, the fixed stop gear that is provided with in casing one side, stop gear is used for closing the switch door.

Preferably, the limiting mechanism comprises a stop block, the stop block is rotatably installed on the front surface of the shell through a rotating shaft, the stop block limits the stop to be located on the outer side of the switch door, an elastic screw is arranged on the front surface of one side, far away from the rotating shaft, of the stop block, the elastic screw is in threaded fit with the stop block, and the stop block is abutted and fixed on the outer side of the switch door through screwing the elastic screw.

A rapid plastic product production system, further comprising an injection mold capable of being cooled uniformly according to any one of claims 1 to 9.

Compared with the prior art, the invention has the beneficial effects that:

1. the refrigerator is started to work through the arranged structures such as the electric valve of the refrigerator, the temperature sensor, the branch pipes and the like, the refrigerator continuously produces cold air, the cold air uniformly enters the groove through the first branch pipe and the branch pipes, the cold air cools different positions of the mold, and the mold is uniformly cooled, so that the problems that the conventional injection mold is mostly automatically cooled, the mode takes long time, and the cooling device for assisting the injection mold at present generally has uneven cooling are solved; the plurality of positioning blocks are arranged at the same time, so that a plurality of vent holes are formed between the groove and the mold, the dissipation of hot air is facilitated, the cooling efficiency of the mold is improved, the temperature sensor is arranged to sense the temperature between the mold and the groove, when the temperature is lower than a certain value, the temperature sensor transmits a signal to the temperature controller, and the temperature controller controls the refrigerator to stop working;

2. through the arrangement of the electric cylinder, the lifting plate, the piston and other structures, the electric cylinder is started to stretch and drive the lifting plate to move up and down to a proper position according to different thicknesses of injection molding products, and then products with different thicknesses can be produced;

3. the clamping block is taken out from the clamping groove through the structures such as the clamping block, the clamping groove and the like, so that the adsorption force between the injection molding product and the side wall of the groove is reduced, and the injection molding product is conveniently taken out from the groove;

4. the first reinforcing layer and the second reinforcing layer are arranged, so that the strength of the die is improved, the service life of the die is prolonged, and the heat conducting performance and the heat radiating effect of the die are improved due to the arranged heat conducting layer;

5. through the dog, switch door and elasticity screw rod isotructure that set up, rotatory dog makes it support through the elasticity screw rod of screwing and fixes in the outside of switch door, conveniently opens the switch door and overhauls the refrigerator of inside.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of an injection mold of the present invention with uniform cooling;

FIG. 2 is a front view of an injection mold of the present invention capable of being cooled uniformly;

FIG. 3 is a cross-sectional view of an injection mold of the present invention with uniform cooling;

FIG. 4 is an enlarged view of section A of FIG. 2 of the present invention;

FIG. 5 is a cross-sectional view of a mold in an injection mold of the present invention, which can be uniformly cooled;

fig. 6 is a schematic structural diagram of a mold in an injection mold capable of being uniformly cooled according to the present invention.

In the figure: 1-shell, 2-annular concave hole, 3-connecting pipe, 4-hole, 5-branch pipe, 6-mould, 61-outer layer, 62-first reinforced layer, 63-heat conducting layer, 64-second reinforced layer, 7-groove, 8-locating block, 9-sealing plate, 10-placing groove, 11-air inlet pipe, 12-refrigerator, 13-second through pipe, 14-electric valve, 15-sealing ring, 16-first through pipe, 17-opening and closing door, 18-second handle, 19-elastic screw, 20-stop block, 21-rotating shaft, 22-first handle, 23-block, 24-clamping groove, 25-piston, 26-lifting plate and 27-electric cylinder.

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.

Referring to fig. 1-6, an injection mold capable of being uniformly cooled comprises a shell 1, a groove 7 is formed in the top of the shell 1, a plurality of positioning blocks 8 are fixedly arranged at the bottom and four side surfaces of the groove 7 at intervals, a mold 6 is placed in the groove 7, an annular concave hole 2 is arranged in the shell 1, a sealing plate 9 is fixedly arranged at the lower end of the annular concave hole 2, a refrigerator 12 is fixedly arranged at the bottom in the annular concave hole 2, the refrigerator 12 is connected with a first through pipe 16, an electric valve 14 is arranged on the first through pipe 16, a temperature sensor is arranged at the bottom in the groove 7 and electrically connected with a temperature controller, the temperature controller is electrically connected with the refrigerator 14, the first through pipe 16 penetrates through the sealing plate 9 and extends upwards, the first through pipe 16 is hermetically mounted with the sealing plate 9, a connecting pipe 3, a plurality of holes 4 have been seted up to recess 7 inboard, hole 4 sets up with branch pipe 5 one-to-one, branch pipe 5 passes hole 4, the 5 other end of branch pipe is located between two adjacent locating pieces 8, refrigerator 12 is connected with intake pipe 11, intake pipe 11 runs through casing 1 and outwards extends, refrigerator 12 is provided with two, connect through siphunculus two 13 between two refrigerator 12, siphunculus two 13 is connected with siphunculus one 16, the top and the bottom of closing plate 9 are all fixed and are provided with sealing washer 15, two sealing washers 15 are all sealed the cover and are established outside siphunculus one 16.

Through the arrangement of the refrigerator 12, the electric valve 14, the temperature sensor, the branch pipes 5 and other structures, the mold 6 is placed in the groove 7, primary pulp is injected into the mold 6, the refrigerator 12 is started to work, the refrigerator 12 continuously produces cold air, the cold air uniformly enters the groove 7 through the first through pipe 16 and the branch pipes 5, the cold air cools different positions of the mold 6, the mold 6 is uniformly cooled, the problems that the existing injection mold is mostly automatically cooled, the mode takes a long time, and the cooling device for assisting the injection mold generally has the problem of uneven cooling at present are solved; the plurality of positioning blocks 8 are arranged at the same time, so that a plurality of vent holes are formed between the groove 7 and the mold 6, the dissipation of hot air is facilitated, the cooling efficiency of the mold 6 is improved, the temperature sensor is arranged to sense the temperature between the mold 6 and the groove 7, when the temperature is lower than a certain value, the temperature sensor transmits a signal to the temperature controller, and the temperature controller controls the refrigerator 12 to stop working; the sealing performance of the connection between the through pipe I16 and the sealing plate 9 is improved by the arranged sealing ring 15;

as above-mentioned technical scheme's improvement, standing groove 10 has been seted up at 6 tops of mould, bottom both sides are the fixed electronic jar 27 that is provided with respectively in standing groove 10, two electronic jars 27 all are connected with the switch electricity, the switch mounting is in the casing 1 outside, two electronic jar 27 tops are all fixed being provided with lifter plate 26, lifter plate 26 both ends all slide the setting from top to bottom in standing groove 10 through piston 25, the thickness of piston 25 is the same with lifter plate 26's thickness, piston 25 adopts corrosion-resistant material to make.

Through the arrangement of the electric cylinder 27, the lifting plate 26, the piston 25 and other structures, the electric cylinder 27 is started to stretch according to different thicknesses of injection products, the electric cylinder 27 drives the lifting plate 26 to move up and down to a proper position, and then products with different thicknesses can be produced;

as the improvement of the technical scheme, clamping grooves 24 are respectively formed in two sides of the upper end of the placing groove 10, clamping blocks 23 are arranged in the two clamping grooves 24 in a sliding mode, the clamping blocks 23 are arranged in the clamping grooves 24 in a vertical sliding mode, handles I22 are fixedly arranged at the tops of the two clamping blocks 23, the handles I22 are made of stainless steel materials, and the handles I22 are cuboid.

Through the arrangement of the clamping block 23, the clamping groove 24 and other structures, after the injection molding product is good, the clamping block 23 is taken out of the clamping groove 24, so that the adsorption force between the injection molding product and the side wall of the groove 7 is reduced, and the injection molding product is conveniently taken out of the groove 7;

as an improvement of the technical scheme, the mold 6 comprises an outer layer 61, a first reinforcing layer 62 is fixedly arranged on the inner side of the outer layer 61, a heat conduction layer 63 is fixedly arranged on the inner side of the first reinforcing layer 62, and a second reinforcing layer 64 is fixedly arranged on the inner side of the heat conduction layer 63.

The strength of the die 6 is improved and the service life of the die 6 is prolonged by the arrangement of the first reinforcing layer 62 and the second reinforcing layer 64, and the heat conducting performance of the die 6 and the heat radiating effect of the die 6 are improved by the arrangement of the heat conducting layer 63;

as the improvement of above-mentioned technical scheme, the lower extreme of casing 1 openly is provided with switch door 17, switch door 17 openly one side is fixed to be provided with handle two 18, the fixed stop gear that is provided with in casing 1 one side, stop gear is used for closing switch door 17, stop gear includes dog 20, dog 20 rotates through pivot 21 and installs in casing 1 openly, dog 20 limits the fender in the outside of switch door 17, dog 20 keeps away from pivot 21 one side openly and is provided with elasticity screw rod 19, elasticity screw rod 19 and dog 20 screw-thread fit, dog 20 supports through screwing elasticity screw rod 19 and fixes in the outside of switch door 17.

Through the dog 20, switch door 17 and the elastic screw 19 isotructure that sets up, rotatory dog 20 makes it support through the elastic screw 19 of screwing and fixes in the outside of switch door 17, conveniently opens switch door 17 and overhauls the refrigerator 12 of inside.

When the cooling device is used, the mold 6 is placed into the groove 7, the raw stock is injected into the mold 6, the refrigerator 12 is started to work, the refrigerator 12 continuously produces cold air, the cold air uniformly enters the groove 7 through the first through pipe 16 and the plurality of branch pipes 5, the cold air cools different positions of the mold 6, the mold 6 is uniformly cooled, and the problems that the existing injection mold is mostly automatically cooled, the mode takes long time, and the cooling device for assisting the injection mold generally has uneven cooling at present are solved; the plurality of positioning blocks 8 are arranged at the same time, so that a plurality of vent holes are formed between the groove 7 and the mold 6, the dissipation of hot air is facilitated, the cooling efficiency of the mold 6 is improved, the temperature sensor is arranged to sense the temperature between the mold 6 and the groove 7, when the temperature is lower than a certain value, the temperature sensor transmits a signal to the temperature controller, and the temperature controller controls the refrigerator 12 to stop working; the sealing performance of the connection between the through pipe I16 and the sealing plate 9 is improved by the arranged sealing ring 15; according to different thicknesses of injection products, the electric cylinder 27 is started to stretch, the electric cylinder 27 drives the lifting plate 26 to move up and down to a proper position, and then products with different thicknesses can be produced; after the injection molding product is good, the clamping block 23 is taken out of the clamping groove 24, so that the adsorption force between the injection molding product and the side wall of the groove 7 is reduced, and the injection molding product is conveniently taken out of the groove 7; the first reinforcing layer 62 and the second reinforcing layer 64 are arranged, so that the strength of the die 6 is improved, the service life of the die 6 is prolonged, and the heat conducting layer 63 is arranged, so that the heat conducting performance of the die 6 is improved, and the heat radiating effect of the die 6 is improved; the stopper 20 is rotated and is supported and fixed on the outer side of the switch door 17 by screwing the elastic screw rod 19, so that the switch door 17 is conveniently opened to overhaul the internal refrigerator 12.

The invention is not described in detail, but is well known to those skilled in the art.

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 an injection mold that can evenly cool off, includes casing (1), its characterized in that, casing (1) top is seted up flutedly (7), recess (7) bottom and four equal intervals of side are fixed and are provided with a plurality of locating pieces (8), mould (6) have been placed in recess (7), casing (1) inside is provided with annular shrinkage pool (2), annular shrinkage pool (2) lower extreme is fixed and is provided with closing plate (9), the bottom is fixed in annular shrinkage pool (2) is provided with refrigerator (12), refrigerator (12) are connected with siphunculus (16), be provided with motorised valve (14) on siphunculus (16), the bottom is provided with temperature sensor in recess (7), temperature sensor is connected with the temperature controller electricity, the temperature controller with refrigerator (14) electricity is connected, siphunculus (16) run through closing plate (9) and upwards extend, the first through pipe (16) and the sealing plate (9) are mounted in a sealing mode, a connecting pipe (3) is fixedly arranged at the top of the first through pipe (16), a plurality of branch pipes (5) are fixedly arranged on the inner side of the connecting pipe (3), a plurality of holes (4) are formed in the inner side of the groove (7), the holes (4) and the branch pipes (5) are arranged in a one-to-one correspondence mode, the branch pipes (5) penetrate through the holes (4), the other ends of the branch pipes (5) are located between every two adjacent positioning blocks (8), the refrigerator (12) is connected with an air inlet pipe (11), and the air inlet pipe (11) penetrates through the shell (1) and extends outwards; the temperature sensor senses the temperature between the die (6) and the groove (7), when the temperature is lower than a threshold value, the temperature sensor transmits a signal to the temperature controller, the temperature controller controls the refrigerator (12) to stop working, when the temperature is higher than the threshold value, the temperature sensor transmits the signal to the temperature controller, and the temperature controller controls the refrigerator (12) to work, so that accurate control is achieved.

2. An injection mold capable of uniform cooling according to claim 1, wherein: the two refrigerators (12) are connected through a through pipe II (13), and the through pipe II (13) is connected with the through pipe I (16).

3. An injection mold capable of uniform cooling according to claim 1, wherein: and sealing rings (15) are fixedly arranged at the top and the bottom of the sealing plate (9), and the sealing rings (15) are hermetically sleeved outside the through pipe I (16).

4. An injection mold capable of uniform cooling according to claim 1, wherein: the utility model discloses a mould, including mould (6), bottom, electric jar (27), two electric jar (27) are all connected with the switch electricity to mould (6) top seted up, bottom both sides are fixed respectively in placing groove (10) electric jar (27), the switch mounting be in casing (1) outside, two electric jar (27) top is all fixed and is provided with lifter plate (26), lifter plate (26) both ends all slide the setting from top to bottom through piston (25) in placing groove (10), the thickness of piston (25) with the thickness of lifter plate (26) is the same, piston (25) adopt corrosion-resistant material to make.

5. An injection mold capable of uniform cooling according to claim 4, wherein: clamping grooves (24) are respectively formed in two sides of the inner upper end of the placing groove (10), clamping blocks (23) are clamped in the clamping grooves (24) in a sliding mode, the clamping blocks (23) are arranged in the clamping grooves (24) in a vertical sliding mode, and first handles (22) are fixedly arranged at the tops of the two clamping blocks (23).

6. An injection mold capable of uniform cooling according to claim 5, wherein: the first handle (22) is made of stainless steel materials, and the first handle (22) is cuboid.

7. An injection mold capable of uniform cooling according to claim 1, wherein: the die (6) comprises an outer layer (61), a first reinforcing layer (62) is fixedly arranged on the inner side of the outer layer (61), a heat conducting layer (63) is fixedly arranged on the inner side of the first reinforcing layer (62), and a second reinforcing layer (64) is fixedly arranged on the inner side of the heat conducting layer (63).

8. An injection mold capable of uniform cooling according to claim 1, wherein: the lower extreme of casing (1) openly is provided with switch door (17), switch door (17) openly one side is fixed to be provided with handle two (18), casing (1) one side is fixed to be provided with stop gear, stop gear is used for closing switch door (17).

9. An injection mold of claim 8, wherein: stop gear includes dog (20), dog (20) are installed through pivot (21) rotation casing (1) is positive, dog (20) are limited to keep off the outside of switch door (17), dog (20) are kept away from one side of pivot (21) openly is provided with elasticity screw rod (19), elasticity screw rod (19) with dog (20) screw-thread fit, dog (20) are through screwing elasticity screw rod (19) support to be fixed the outside of switch door (17).

10. A plastic products rapid production system which characterized in that: in the system for rapidly producing plastic products, an injection mold capable of being uniformly cooled according to any one of claims 1 to 9 is used.