CN216068441U

CN216068441U - Injection mold structure with temperature control and heat insulation structure

Info

Publication number: CN216068441U
Application number: CN202121983257.5U
Authority: CN
Inventors: 胡运伟
Original assignee: Shenzhen Rizhibang Electronics Co ltd
Current assignee: Shenzhen Rizhibang Electronics Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-18
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold structure with a temperature control and heat preservation structure. According to the utility model, through the refrigerating water tank and the heating water tank, circulating cold water and hot water can be generated, so that the cold water or the hot water flows through the water cavity, the temperature of the water cavity is regulated, when the temperature of the water cavity is increased, the phenomenon that the molten raw material is solidified when flowing into the inner side of the mold cavity to influence normal forming can be prevented, when the temperature of the water cavity is reduced, the formed product can be rapidly cooled, and the injection molding efficiency is improved.

Description

Injection mold structure with temperature control and heat insulation structure

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold structure with a temperature control and heat preservation structure.

Background

The injection mold is a tool for producing plastic products, and comprises an upper mold and a lower mold, wherein after the upper mold is attached to the lower mold, injection molding liquid is injected into a molding cavity, and a product is formed after the injection molding liquid is cooled and molded.

However, the existing injection mold does not have a temperature regulation function, when the molten raw material is injected into the inner side of the mold cavity, the molten raw material is easily cooled quickly, so that the raw material is solidified in advance after the raw material is not completely filled in the mold cavity, normal injection molding is affected, the existing injection mold cannot quickly cool a molded finished product, a longer time is required for cooling the finished product, and the injection molding efficiency is reduced. Therefore, the injection mold structure with temperature control and heat preservation structure is provided by the technical personnel in the field, so as to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold structure with a temperature control and heat preservation structure, which aims to solve the problems in the background technology.

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

an injection mold structure with a temperature control and heat preservation structure comprises an upper mold and a lower mold, wherein an injection port is arranged in the center of the upper mold, two exhaust passages are symmetrically arranged in the two sides of the injection port in the upper mold, a first cavity is arranged in the lower side of the lower mold, a water cavity is arranged in the upper side of the lower mold, a refrigerating water tank is arranged on one side of the inside of the first cavity, a heating water tank is arranged on the other side of the inside of the first cavity, two water cavity water inlet pipes are inserted into one end of the lower mold, two water cavity water outlet pipes are inserted into the other end of the lower mold, the two water cavity water inlet pipes are communicated with the inside of the water cavity, one ends of the two water cavity water inlet pipes are respectively communicated with the water outlet ends of the refrigerating water tank and the heating water tank through pipelines, and the two water cavity water outlet pipes are communicated with the inside of the water cavity, and the one end of two water cavity outlet pipes all communicates with the end of intaking of refrigeration water tank and heating water tank respectively, two temperature sensor is all installed to the inside of water cavity inlet tube, the controller is installed to outside one side of lower mould, temperature sensor, refrigeration water tank, heating water tank all with controller electric connection.

As a still further scheme of the utility model: the inside both sides position department symmetry that is located the water cavity of lower mould has seted up two second cavitys, two the inboard of second cavity is located middle section position department and all installs the cylinder, the position department that the upside of lower mould corresponds two cylinders has all seted up the spacing groove, two the inboard of spacing groove all is provided with the roof, two the flexible end of cylinder is fixed mutually with the downside of two roofs respectively, and two cylinders all with controller electric connection.

As a still further scheme of the utility model: the cross sections of the two limiting grooves are of isosceles trapezoid structures, and the two top plates are matched with the two limiting grooves respectively.

As a still further scheme of the utility model: two air vents are symmetrically formed in positions, corresponding to the first cavity, of two ends of the lower die, and filter screens are arranged on the inner sides of the air vents.

As a still further scheme of the utility model: four casing shells which are arranged in a rectangular shape are symmetrically fixed at two ends of the lower die, guide rods are fixed at positions, corresponding to the four casing shells, of one side of the upper die, and the four guide rods are respectively inserted into the inner sides of the four casing shells in a sliding mode.

As a still further scheme of the utility model: four fixing plates which are arranged in a rectangular shape are symmetrically fixed on two sides of the lower die, and fixing screws are rotatably connected inside the four fixing plates.

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

1. through the refrigerating water tank and the heating water tank, circulating cold water and hot water can be generated, so that the cold water or the hot water flows through the water cavity, the temperature of the water cavity is adjusted, when the temperature of the water cavity rises, the phenomenon that the molten raw material is solidified when flowing into the inner side of the mold cavity to influence normal forming can be prevented, when the temperature of the water cavity falls, a formed product can be rapidly cooled, and the injection molding efficiency is improved;

2. the cylinder drives the top plate to move upwards, the top plate can eject the molded product out of the die cavity, the blanking is convenient, and the product is prevented from being damaged during the blanking.

Drawings

FIG. 1 is a schematic structural view of an injection mold structure with a temperature control and heat preservation structure;

FIG. 2 is a schematic diagram of a forward cross-sectional structure of an injection mold structure with a temperature control and insulation structure;

FIG. 3 is a schematic structural view of the interior of an injection mold structure with a temperature control and heat preservation structure;

FIG. 4 is a schematic side sectional view of an injection mold structure with a temperature control and insulation structure.

In the figure: 1. an upper die; 2. a lower die; 3. an injection molding port; 4. an exhaust passage; 5. a first cavity; 6. a water chamber; 7. a refrigeration water tank; 8. heating the water tank; 9. a water inlet pipe of the water cavity; 10. a water cavity water outlet pipe; 11. a temperature sensor; 12. a second cavity; 13. a top plate; 14. a cylinder; 15. filtering with a screen; 16. a housing; 17. a guide bar; 18. a fixing plate; 19. fixing the screw rod; 20. and a controller.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the utility model, an injection mold structure with a temperature control and heat preservation structure comprises an upper mold 1 and a lower mold 2, an injection port 3 is arranged at the central position inside the upper mold 1, two exhaust passages 4 are symmetrically arranged at the positions, located at the two sides of the injection port 3, inside the upper mold 1, a first cavity 5 is arranged at the lower side position inside the lower mold 2, a water cavity 6 is arranged at the upper side position inside the lower mold 2, a refrigerating water tank 7 is arranged at one side inside the first cavity 5, a heating water tank 8 is arranged at the other side inside the first cavity 5, two water cavity water inlet pipes 9 are inserted at one end of the lower mold 2, two water cavity water outlet pipes 10 are inserted at the other end of the lower mold 2, the two water cavity water inlet pipes 9 are communicated with the inside of the water cavity 6, and one ends of the two water cavity water inlet pipes 9 are respectively communicated with the water outlet ends of the refrigerating water tank 7 and the heating water tank 8 through pipelines, two water cavity outlet pipes 10 all communicate with the inside of water cavity 6, and the one end of two water cavity outlet pipes 10 all communicates with the intake end of refrigeration water tank 7 and heating water tank 8 respectively through the pipeline, and temperature sensor 11 is all installed to the inside of two water cavity inlet tubes 9, and controller 20 is installed to outside one side of lower mould 2, and temperature sensor 11, refrigeration water tank 7, heating water tank 8 all with controller 20 electric connection.

In fig. 4: two second cavities 12 have been seted up to the inside both sides position department symmetry that is located water cavity 6 of lower mould 2, the cylinder 14 has all been installed to the inboard middle section position department that is located of two second cavities 12, the spacing groove has all been seted up to the position department that the upside of lower mould 2 corresponds two cylinders 14, the inboard of two spacing grooves all is provided with roof 13, two cylinders 14's flexible end is fixed mutually with the downside of two roof 13 respectively, and two cylinders 14 all with controller 20 electric connection, it shifts up to drive roof 13 through cylinder 14, roof 13 can be with the ejecting die cavity of product after the shaping, make things convenient for the unloading, make the product damage when preventing the unloading.

In fig. 4: the cross-section of two spacing grooves all is isosceles trapezoid structure, and two roof 13 respectively with two spacing groove looks adaptations, closely cooperate between roof 13 and the spacing groove, prevent the seepage of melting raw materials.

In fig. 3: two air vents are symmetrically formed in the positions, corresponding to the first cavity 5, of the two ends of the lower die 2, filter screens 15 are arranged on the inner sides of the two air vents, and the air vents enable the inside and the outside of the first cavity 5 to be communicated.

In fig. 1: four sleeve shells 16 which are arranged in a rectangular shape are symmetrically fixed at two ends of the lower die 2, guide rods 17 are fixed at positions, corresponding to the four sleeve shells 16, of one side of the upper die 1, the four guide rods 17 are respectively inserted into the inner sides of the four sleeve shells 16 in a sliding mode, and the guide rods 17 are in sliding fit with the sleeve shells 16, so that the upper die 1 and the lower die 2 move in the same straight line.

In fig. 1: four fixing plates 18 which are arranged in a rectangular shape are symmetrically fixed on two sides of the lower die 2, fixing screws 19 are rotatably connected inside the four fixing plates 18, and the fixing screws 19 are used for fixing the whole die.

The working principle of the utility model is as follows: when the injection molding device is used, a molten raw material is injected into the inner side of a mold cavity between an upper mold 1 and a lower mold 2 through an injection molding port 3, a controller 20 controls a heating water tank 8 to operate to generate hot water, meanwhile, the heating water tank 8 conveys the hot water to the inner side of one water cavity water inlet pipe 9 through a water outlet end, then the hot water flows into the inner side of a water cavity 6 through the water cavity water inlet pipe 9, finally, the hot water flows back to the inside of the heating water tank 8 through one water cavity water outlet pipe 10, the hot water releases heat in the inner side of the water cavity 6, the heat is transferred to the upper side of the lower mold 2 and then is transferred to the molten raw material in the inner side of the mold cavity, the temperature of the molten raw material is maintained, the molten raw material is prevented from being rapidly cooled and solidified, normal injection molding is influenced, the temperature of the hot water passing through the inner side of the water cavity water inlet pipe 9 can be sensed through a temperature sensor 11, temperature data is transferred to the controller 20, the controller 20 adjusts the output power of the heating water tank 8 according to the transmitted data and the set value, thereby can adjust hydrothermal temperature, can adjust hot water to suitable temperature to different melting raw materials, the practicality has been improved, after injection moulding, heating water tank 8 shut down, the operation of refrigeration water tank 7 produces cold water, and carry cold water to the inboard of another water cavity inlet tube 9 through going out the water end, then cold water flows into water cavity 6 through this water cavity inlet tube 9, can absorb 2 upside temperatures of lower mould fast, can carry out the cooling of rapid cooling to fashioned finished product, the efficiency of moulding plastics has been improved, go up

mould

1 and 2 separation of lower mould during the unloading, the flexible end of two cylinders 14 of controller 20 control stretches out, drive two roofs 13 and shift up, can be with the ejecting die cavity of fashioned finished product, make things convenient for the unloading.

The above description is only for the preferred embodiment 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 or changed within the scope of the present invention.

Claims

1. An injection mold structure with a temperature control and heat insulation structure comprises an upper mold (1) and a lower mold (2), and is characterized in that an injection port (3) is arranged at the position, located at the center, of the inner portion of the upper mold (1), two exhaust passages (4) are symmetrically arranged at the positions, located at the two sides of the injection port (3), of the inner portion of the upper mold (1), a first cavity (5) is formed in the position, located at the lower side, of the inner portion of the lower mold (2), a water cavity (6) is formed in the position, located at the upper side, of the inner portion of the lower mold (2), a refrigerating water tank (7) is arranged on one side of the inner portion of the first cavity (5), a heating water tank (8) is arranged on the other side of the inner portion of the first cavity (5), two water cavity water inlet pipes (9) are inserted into one end of the lower mold (2), two water cavity water outlet pipes (10) are inserted into the other end of the lower mold (2), and the two water cavity water inlet pipes (9) are both communicated with the inner portion of the water cavity (6), and two water cavity inlet tubes (9) one end all through the pipeline respectively with the play water end intercommunication of refrigeration water tank (7) and heating water tank (8), two water cavity outlet pipe (10) all with the inside intercommunication of water cavity (6), and the one end of two water cavity outlet pipes (10) all through the pipeline respectively with the intake end intercommunication of refrigeration water tank (7) and heating water tank (8), two temperature sensor (11) are all installed to the inside of water cavity inlet tube (9), controller (20) are installed to outside one side of lower mould (2), temperature sensor (11), refrigeration water tank (7), heating water tank (8) all with controller (20) electric connection.

2. The injection mold structure with the temperature control and heat preservation structure according to claim 1, characterized in that two second cavities (12) are symmetrically arranged at positions on two sides of the water cavity (6) inside the lower mold (2), two air cylinders (14) are installed at positions on the inner side of the second cavities (12) located at the middle section, limit grooves are arranged at positions on the upper side of the lower mold (2) corresponding to the two air cylinders (14), top plates (13) are arranged on the inner sides of the limit grooves, two telescopic ends of the air cylinders (14) are fixed to the lower sides of the two top plates (13) respectively, and the two air cylinders (14) are electrically connected with the controller (20).

3. The injection mold structure with the temperature control and heat insulation structure according to claim 2, wherein the cross sections of the two limiting grooves are isosceles trapezoid structures, and the two top plates (13) are respectively matched with the two limiting grooves.

4. The injection mold structure with the temperature control and heat preservation structure according to claim 1, wherein two air vents are symmetrically formed in positions, corresponding to the first cavity (5), at two ends of the lower mold (2), and filter screens (15) are arranged on inner sides of the two air vents.

5. The injection mold structure with the temperature control and heat preservation structure according to claim 1, wherein four rectangular sleeves (16) are symmetrically fixed at two ends of the lower mold (2), guide rods (17) are fixed at positions of one side of the upper mold (1) corresponding to the four sleeves (16), and the four guide rods (17) are respectively inserted into the inner sides of the four sleeves (16) in a sliding manner.

6. The injection mold structure with the temperature control and heat preservation structure according to claim 1, characterized in that four fixing plates (18) arranged in a rectangular shape are symmetrically fixed on two sides of the lower mold (2), and fixing screws (19) are rotatably connected inside the four fixing plates (18).