CN215943605U

CN215943605U - Quick heat radiation structure of injection mold

Info

Publication number: CN215943605U
Application number: CN202121612901.8U
Authority: CN
Inventors: 江家军
Original assignee: Suzhou Kaiyi Precision Plastic Co ltd
Current assignee: Suzhou Kaiyi Precision Plastic Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-04
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to the technical field of injection molds and discloses a quick heat dissipation structure of an injection mold. This injection mold's quick heat radiation structure, water pump through setting up in the lower mould starts, absorb the cooling water from the reservoir chamber through the pipe that absorbs water, the cooling water is transported U type cooling tube through the water pump, the absorption of radiating block this moment annotates the heat that the moulding produced in the mould, the cooling water cools off the radiating block, the second radiating block that sets up simultaneously at the reservoir chamber upper surface also carries out the heat absorption cooling to U type cooling tube, promote heat conduction efficiency, the delivery port and the reservoir chamber intercommunication of U type cooling tube simultaneously, form the hydrologic cycle, the utilization ratio of promotion water.

Description

Quick heat radiation structure of injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a quick heat dissipation structure of an injection mold.

Background

The injection molding is a method for adding hot-melt plastic material into a closed mold cavity with a required shape in a lower injection molding mold, molding the plastic material into the closed mold cavity through an upper mold and a lower mold of the injection molding mold to form a required product shape structure, and opening the injection molding mold to eject the plastic part after the plastic material is cooled and solidified to obtain the required product.

At the in-process that present injection mold used, in injection product production, can produce a large amount of heats, and most of mould production all let the inside cooling by oneself of mould dispels the heat for the low work efficiency that influences of radiating efficiency, some inconvenient exhausts of mould simultaneously, leads to injection product to produce the bubble easily, influences product quality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a quick heat dissipation structure of an injection mold, which has the advantages of quick heat dissipation, work efficiency improvement, convenience in exhaust and the like, and solves the problems that the work efficiency is influenced due to low heat dissipation efficiency, and the quality of an injection product is influenced due to the fact that air bubbles are easily generated by some molds due to inconvenient exhaust.

(II) technical scheme

In order to realize the purposes of quick heat dissipation, work efficiency improvement and convenient exhaust, the utility model provides the following technical scheme: a quick heat dissipation structure of an injection mold comprises an upper mold and a lower mold, wherein an injection runner is arranged inside the upper mold, a plurality of exhaust ports are formed in the inner wall of the upper mold, a mounting groove is formed between the two exhaust ports, a guide rod is arranged inside the mounting groove, the bottom end of the guide rod penetrates through and extends to the outside of the mounting groove, a resisting plate is fixedly connected to the bottom end of the guide rod, a spring is sleeved on the outer surface of the guide rod, a positioning rod is fixedly connected to the lower surface of the upper mold, a plurality of groups of heat dissipation holes are formed in the periphery of the lower mold, a heat dissipation block is fixedly mounted on the bottom wall of the lower mold, a water storage chamber is formed inside the lower mold, a second heat dissipation block is fixedly connected to the upper surface of the water storage chamber, a water pump is arranged at the upper part of the water storage chamber, a water suction pipe is arranged inside the water storage chamber, and a water inlet of the water pump is fixedly connected with the suction pipe, the delivery port fixedly connected with U type cooling tube of water pump, the one end and the reservoir chamber of U type cooling tube are linked together, the upper surface and the radiating block fixed connection of U type cooling tube, the lower surface and the second radiating block fixed connection of U type cooling tube, reservoir chamber side fixed mounting has the inlet tube, reservoir chamber side fixed mounting has the drain pipe.

Preferably, the outer surface of the guide rod is fixedly connected with a limiting block, the top end of the spring is fixedly connected with the mounting groove, and the bottom end of the spring is fixedly connected with the limiting block.

Preferably, the inner wall of the upper die is provided with a limiting hole, the upper surface of the abutting plate is fixedly connected with a limiting rod, and the limiting rods correspond to the limiting holes one to one.

Preferably, the abutting plate is disc-shaped, the diameter of the abutting plate is larger than the distance between the two exhaust ports, and the periphery of the abutting plate is fixedly connected with the sealing ring.

Preferably, the surface of the lower die is provided with guide holes, and the positioning rods correspond to the guide holes one to one.

Preferably, the position of inlet tube is less than the drain pipe, the one end of inlet tube and drain pipe all runs through and extends to the outside of lower mould, the surface of inlet tube and drain pipe all is provided with the valve.

(III) advantageous effects

Compared with the prior art, the utility model provides a quick heat dissipation structure of an injection mold, which has the following beneficial effects:

(1) this injection mold's quick heat radiation structure, start through the water pump that sets up in the lower mould, absorb the cooling water from the reservoir chamber through the pipe that absorbs water, the cooling water is transported U type cooling tube through the water pump, the absorption of radiating block this moment the heat that the injection moulding produced in the mould, the cooling water cools off the radiating block, the second radiating block that sets up simultaneously at the reservoir chamber upper surface also carries out the heat absorption cooling to U type cooling tube, promote heat conduction efficiency, the delivery port and the reservoir chamber intercommunication of U type cooling tube simultaneously, form hydrologic cycle, the utilization ratio of lift water, simultaneously because the position of drain pipe is higher than the inlet tube, conveniently discharge upper hot water in the reservoir chamber, further promotion radiating efficiency.

(2) This injection mold's quick heat radiation structure moulds plastics through the runner of moulding plastics that sets up on last mould, exhausts through the gas vent that sets up on last mould, when moulding plastics and soon accomplishing, and the injection molding material can extrude the support board, and further through guide arm compression spring, seals the gas vent, prevents that the injection molding material from getting into the normal operating that the gas vent influences the device, conveniently exhausts simultaneously, prevents that injection moulding product from producing the bubble, influences product quality.

Drawings

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

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the structure A-A of the present invention.

In the figure: 1 upper die, 2 lower dies, 3 runner of moulding plastics, 4 gas vents, 5 mounting grooves, 6 guide rods, 7 support plates, 8 springs, 9 locating rods, 10 louvres, 11 radiating blocks, 12U-shaped radiating pipes, 13 water pumps, 14 water suction pipes, 15 water storage chambers, 16 second radiating blocks, 17 water inlet pipes and 18 water discharge pipes.

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. 1-3, a fast heat dissipation structure of an injection mold comprises an upper mold 1 and a lower mold 2, an injection runner 3 is disposed inside the upper mold 1, a plurality of exhaust ports 4 are disposed on an inner wall of the upper mold 1, a mounting groove 5 is disposed between the two exhaust ports 4, a guide rod 6 is disposed inside the mounting groove 5, a bottom end of the guide rod 6 penetrates and extends to an outside of the mounting groove 5, a supporting plate 7 is fixedly connected to a bottom end of the guide rod 6, a spring 8 is sleeved on an outer surface of the guide rod 6, a positioning rod 9 is fixedly connected to a lower surface of the upper mold 1, a plurality of groups of heat dissipation holes 10 are disposed around the lower mold 2, a heat dissipation block 11 is fixedly mounted on a bottom wall of the lower mold 2, a water storage chamber 15 is disposed inside the lower mold 2, a second heat dissipation block 16 is fixedly connected to an upper surface of the water storage chamber 15, a water pump 13 is disposed on an upper portion of the water storage chamber 15, a water suction pipe 14 is disposed inside the water storage chamber 15, the water inlet and the pipe 14 fixed connection that absorb water of water pump 13, the delivery port fixedly connected with U type cooling tube 12 of water pump 13, the one end and the reservoir chamber 15 of U type cooling tube 12 are linked together, the upper surface and the radiating block 11 fixed connection of U type cooling tube 12, the lower surface and the 16 fixed connections of second radiating block of U type cooling tube 12, reservoir chamber 15 side fixed mounting has inlet tube 17, reservoir chamber 15 side fixed mounting has drain pipe 18.

Further, the outer fixed surface of guide arm 6 is connected with the stopper, and spring 8's top and 5 fixed connection of mounting groove, spring 8's bottom and stopper fixed connection make things convenient for spring 8 to connect guide arm 6, prevent that guide arm 6 from droing, influence the normal operating of device.

Furthermore, the inner wall of the upper die 1 is provided with a limiting hole, the upper surface of the abutting plate 7 is fixedly connected with a limiting rod, the limiting rod and the limiting hole are in one-to-one correspondence, the abutting plate 7 is prevented from being uneven due to extrusion force of injection molding materials, and the abutting plate 7 is prevented from deflecting to influence normal operation of the device.

Furthermore, the shape of the abutting plate 7 is a disc shape, the diameter of the abutting plate 7 is larger than the distance between the two exhaust ports 4, and the sealing rings are fixedly connected to the periphery of the abutting plate 7, so that the exhaust ports 4 are conveniently sealed, injection molding materials are prevented from entering the exhaust ports 4, the exhaust ports 4 are prevented from being blocked, and the normal operation of the device is influenced.

Further, the guiding hole has been seted up on the surface of lower mould 2, and locating lever 9 and guiding hole one-to-one prevent to go up

mould

1 and 2 skews of lower mould, influence the work normal operating of moulding plastics, influence product quality.

Further, the position of inlet tube 17 is less than drain pipe 18, and the one end of inlet tube 17 and drain pipe 18 all runs through and extends to the outside of lower mould 2, and the surface of inlet tube 17 and drain pipe 18 all is provided with the valve, conveniently controls the business turn over of cooling water, promotes the availability factor of cooling water, hoisting device's radiating efficiency.

To sum up, this injection mold's quick heat radiation structure, water pump 13 through setting up in lower mould 2 starts, absorb the cooling water from reservoir chamber 15 through the pipe 14 that absorbs water, the cooling water is transported U type cooling tube 12 through water pump 13, the heat that produces is moulded in the injection in the mould to the absorption of radiating block 11 this moment, the cooling water cools off radiating block 11, the second radiating block 16 that sets up at reservoir chamber 15 upper surface simultaneously also carries out the heat absorption cooling to U type cooling tube 12, promote heat conduction efficiency, the delivery port and the reservoir chamber 15 intercommunication of U type cooling tube 12 simultaneously, form the hydrologic cycle, the utilization ratio of lift-up water, simultaneously because the position of drain pipe 18 is higher than inlet tube 17, conveniently discharge upper hot water in the reservoir chamber 15, further promotion radiating efficiency.

This injection mold's quick heat radiation structure moulds plastics through the runner 2 that moulds plastics that sets up on last mould 1, exhausts through setting up gas vent 4 on last mould 1, when moulding plastics near accomplishing, the injection molding material can extrude to support board 7, further 6 compression spring 8 through the guide arm, it is sealed with gas vent 4, prevent that the injection molding material from getting into gas vent 4 and influencing the normal operating of device, conveniently exhaust simultaneously, prevent that injection moulding product from producing the bubble, influence product quality.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means matured in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the circuit connection adopts the conventional connection mode in the prior art, no specific description is provided here, meanwhile, the electric elements appearing in the specification are electrically connected with the external main controller and the mains supply, the peripheral controller mentioned in the specification can play a control role for the electric elements mentioned in the specification, and the peripheral controller is the conventional known equipment.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold's quick heat radiation structure, includes mould (1) and lower mould (2), its characterized in that: the injection molding runner (3) is arranged inside the upper die (1), a plurality of exhaust ports (4) are formed in the inner wall of the upper die (1), a mounting groove (5) is formed between two exhaust ports (4), a guide rod (6) is arranged inside the mounting groove (5), the bottom end of the guide rod (6) penetrates through and extends to the outside of the mounting groove (5), a butt plate (7) is fixedly connected to the bottom end of the guide rod (6), a spring (8) is sleeved on the outer surface of the guide rod (6), a positioning rod (9) is fixedly connected to the lower surface of the upper die (1), a plurality of groups of radiating holes (10) are formed in the periphery of the lower die (2), a radiating block (11) is fixedly mounted on the bottom wall of the lower die (2), a water storage chamber (15) is formed inside the lower die (2), and a second radiating block (16) is fixedly connected to the upper surface of the water storage chamber (15), the upper portion of reservoir chamber (15) is provided with water pump (13), the inside of reservoir chamber (15) is provided with tub (14) that absorb water, the water inlet of water pump (13) with absorb water tub (14) fixed connection, the delivery port fixedly connected with U type cooling tube (12) of water pump (13), the one end and the reservoir chamber (15) of U type cooling tube (12) are linked together, the upper surface and radiating block (11) fixed connection of U type cooling tube (12), the lower surface and second radiating block (16) fixed connection of U type cooling tube (12), reservoir chamber (15) side fixed mounting has inlet tube (17), reservoir chamber (15) side fixed mounting has drain pipe (18).

2. The rapid heat dissipation structure of an injection mold according to claim 1, wherein: the outer fixed surface of guide arm (6) is connected with the stopper, the top and mounting groove (5) fixed connection of spring (8), the bottom and the stopper fixed connection of spring (8).

3. The rapid heat dissipation structure of an injection mold according to claim 1, wherein: the inner wall of the upper die (1) is provided with a limiting hole, the upper surface of the abutting plate (7) is fixedly connected with a limiting rod, and the limiting rod corresponds to the limiting hole one by one.

4. The rapid heat dissipation structure of an injection mold according to claim 1, wherein: the shape of the abutting plate (7) is disc-shaped, the diameter of the abutting plate (7) is larger than the distance between the two exhaust ports (4), and sealing rings are fixedly connected to the periphery of the abutting plate (7).

5. The rapid heat dissipation structure of an injection mold according to claim 1, wherein: the surface of the lower die (2) is provided with guide holes, and the positioning rods (9) correspond to the guide holes one to one.

6. The rapid heat dissipation structure of an injection mold according to claim 1, wherein: the position of inlet tube (17) is less than drain pipe (18), the one end of inlet tube (17) and drain pipe (18) all runs through and extends to the outside of lower mould (2), the surface of inlet tube (17) and drain pipe (18) all is provided with the valve.