CN215825890U - Circuit device for allowing cooling water to enter and exit from one side of injection mold - Google Patents

Abstract

The utility model discloses a loop device for allowing cooling water to enter and exit from one side of an injection mold, which comprises a lower mold and an upper mold, wherein a cavity is formed in the upper side of the lower mold, the lower side of the upper mold is inserted into the upper part of the cavity through an upper mold core, a cooling chamber is formed in the lower mold, a first heat exchange fin and a second heat exchange fin are arranged on the inner wall of the cooling chamber, a water inlet pipeline and a water outlet pipeline are connected to two ends of one side of the cooling chamber, a water storage tank is connected to one side of the water inlet pipeline and one side of the water outlet pipeline, a water injection pipe is arranged on one side of the upper end of the water storage tank, and a ball float valve is arranged between the water injection pipe and the water storage tank. The first heat exchange fin and the second heat exchange fin are arranged on the inner wall of the cooling chamber, so that the contact area of water cooling heat exchange can be increased, the heat exchange efficiency is improved, the floating ball valve is arranged between the water injection pipe and the water storage tank, the cooling liquid can be conveniently and automatically injected into the water storage tank, and the use convenience is improved.

Description

Circuit device for allowing cooling water to enter and exit from one side of injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a loop device for allowing cooling water to enter and exit from one side of an injection mold.

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 for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

In the prior art, a loop device with application number of CN201921011170.4 for allowing cooling water to enter and exit from one side of an injection mold improves the cooling effect and improves the use reliability; the cooling device comprises an upper die and a lower die, wherein a die core is arranged at the bottom of the upper die, a die cavity matched with the die core is arranged at the top of the lower die, a cooling cavity is arranged in the lower die, and a liquid inlet and a liquid outlet are respectively communicated with the lower half area and the upper half area of the right side wall of the lower die; still include box, mounting panel, two sets of pivots, preceding threaded rod, back threaded rod, preceding movable plate, back movable plate and dead lever, the inside installation cavity that is provided with of box, the box preceding lateral wall all communicates with the back lateral wall and is provided with the air inlet, box right side wall intercommunication is provided with the installing port, installing port department is provided with solid fixed ring, gu fixed ring inside is provided with radiator fan, the bottom is provided with the fin in the box, fin right side wall is wavy, the inside heat dissipation chamber that is provided with of fin. However, the contact area between the cooling liquid and the outer wall of the cavity is small, so that the efficiency of water cooling is affected, and the cooling liquid is not convenient to add into the water tank.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a loop device for allowing cooling water to enter and exit from one side of an injection mold, and the loop device is used for solving the problems that in the prior art, the contact area of cooling liquid and the outer wall of a cavity is small, so that the water-cooling efficiency is influenced, and the cooling liquid is not convenient to add into a water tank.

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

a loop device for the single-side inlet and outlet of cooling water of an injection mold comprises a lower mold and an upper mold; the upper side of the lower die is provided with a die cavity, and the lower side of the upper die is inserted into the upper part of the die cavity through an upper die core; a cooling chamber is formed in the lower die, and a first heat exchange fin and a second heat exchange fin are arranged on the inner wall of the cooling chamber; the cooling chamber is characterized in that both ends of one side of the cooling chamber are connected with a water inlet pipeline and a water outlet pipeline, one side of the water inlet pipeline and one side of the water outlet pipeline are connected with a water storage tank, a water injection pipe is installed on one side of the upper end of the water storage tank, and a ball float valve is installed between the water injection pipe and the water storage tank.

Furthermore, a positioning block is installed on the lower side of the upper die and inserted into a positioning groove in the upper portion of the lower die.

Furthermore, a plurality of first heat exchange fins and a plurality of second heat exchange fins are arranged at equal intervals, and the first heat exchange fins and the second heat exchange fins are in the shape of metal sheets.

Furthermore, the first heat exchange fins are longitudinally arranged inside the cooling chamber, and the second heat exchange fins are transversely arranged inside the cooling chamber.

Furthermore, a first through hole and a second through hole are formed in the first heat exchange fin and the second heat exchange fin, and the first through hole and the second through hole are arranged in a vertical direction.

Furthermore, install first water pump and condenser on the inlet channel, install the second water pump on the outlet conduit.

Further, a controller and an alarm are installed on one side of the water storage tank, and the ball float valve is electrically connected with the controller.

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

1. according to the utility model, the first heat exchange fins and the second heat exchange fins are arranged on the inner wall of the cooling chamber, the first heat exchange fins and the second heat exchange fins are arranged at equal intervals, and the first heat exchange fins and the second heat exchange fins are in a metal sheet shape, so that the contact area of water cooling heat exchange can be increased, and the heat exchange efficiency can be improved;

2. according to the utility model, the first through holes and the second through holes are formed in the first heat exchange fins and the second heat exchange fins, and the first through holes and the second through holes are vertically arranged, so that the smoothness of water body circulation can be improved, and water cooling treatment can be better performed;

3. according to the utility model, the floating ball valve is arranged between the water injection pipe and the water storage tank, the third water pump is arranged on the water injection pipe, the controller and the alarm are arranged on one side of the water storage tank, the floating ball valve is electrically connected with the controller, when the water level in the water storage tank is low, a signal can be transmitted to the controller, the controller controls the third water pump to work to inject the cooling liquid into the water storage tank, the third water pump stops working after a period of time, and the operation is circulated in sequence, so that the cooling liquid can be automatically injected into the water storage tank, and the use convenience is improved.

Drawings

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

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

fig. 2 is a schematic structural view of a first heat exchange fin of the present invention.

In the figure: 1. a lower die; 2. a cavity; 3. an upper die; 4. positioning blocks; 5. molding a mold core; 6. a cooling chamber; 7. a first heat exchange fin; 8. a water inlet pipe; 9. a first water pump; 10. a water outlet pipeline; 11. a second water pump; 12. a water storage tank; 13. a water injection pipe; 14. a float valve; 15. a condenser; 16. a controller; 17. an alarm; 18. a first through hole; 19. a second heat exchange fin; 20. a second via.

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.

As shown in fig. 1 and 2, a circuit device for allowing cooling water to enter and exit from a single side of an injection mold according to an embodiment of the present invention includes a lower mold 1 and an upper mold 3; the upper side of the lower die 1 is provided with a die cavity 2, the lower side of the upper die 3 is inserted into the upper part of the die cavity 2 through an upper die core 5, the lower die 1 is internally provided with a cooling chamber 6, and the inner wall of the cooling chamber 6 is provided with a first heat exchange fin 7 and a second heat exchange fin 19, so that the contact area of water cooling heat exchange can be increased, and the heat exchange efficiency can be improved; 6 one side both ends of cooling chamber are connected with inlet channel 8 and outlet conduit 10, and inlet channel 8 and outlet conduit 10 one side are connected with storage water tank 12, and water injection pipe 13 is installed to storage water tank 12 upper end one side, and installs ball-cock assembly 14 between water injection pipe 13 and the storage water tank 12, installs the third water pump on the water injection pipe 13, can realize automatic injecting the coolant liquid into storage water tank 12, has improved the convenience of using.

Preferably, go up the mould 3 downside and install locating piece 4, and locating piece 4 inserts and establishes in the constant head tank on lower mould 1 upper portion, is convenient for fix a position upper die 3 joint on lower mould 1 upper portion.

Preferably, the first heat exchange fins 7 and the second heat exchange fins 19 are arranged at equal intervals, and the first heat exchange fins 7 and the second heat exchange fins 19 are metal sheets, so that heat conduction and heat exchange treatment are facilitated.

Preferably, the first heat exchange fins 7 are longitudinally arranged inside the cooling chamber 6, and the second heat exchange fins 19 are transversely arranged inside the cooling chamber 6, so that the heat exchange fins are conveniently distributed and arranged at the bottom and the side surfaces of the cooling chamber 6, and the cooling efficiency is conveniently improved.

Preferably, the first through holes 18 and the second through holes 20 are formed in the first heat exchange fins 7 and the second heat exchange fins 19, and the first through holes 18 and the second through holes 20 are arranged in the vertical direction, so that the smoothness of water circulation can be improved, and better water cooling treatment is facilitated.

Preferably, the water inlet pipe 8 is provided with a first water pump 9 and a condenser 15, and the water outlet pipe 10 is provided with a second water pump 11, so that the circulating cooling treatment is facilitated.

Preferably, a controller 16 and an alarm 17 are installed on one side of the water storage tank 12, the float valve 14 is electrically connected with the controller 16, and the controller 16 is a single chip microcomputer with the model number of AT89S51, so that the integral operation and control processing is facilitated.

The working principle and the using process of the utility model are as follows: the first heat exchange fins 7 and the second heat exchange fins 19 are arranged on the inner wall of the cooling chamber 6, and the first heat exchange fins 7 and the second heat exchange fins 19 can improve the contact area of water cooling heat exchange, so that the heat exchange efficiency is improved; install ball-cock assembly 14 between through water injection pipe 13 and storage water tank 12, install the third water pump on the water injection pipe 13, ball- cock assembly 14 and 16 electric connection of controller, when the inside water level of storage water tank 12 is lower, can give controller 16 with signal transmission, controller 16 will control third water pump work and pour into a certain amount of coolant liquid into to storage water tank 12 inside, a dead man of end time back third water pump, it circulates in proper order, can realize automatic coolant liquid of pouring into in to storage water tank 12, the convenience of using has been improved.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a return circuit device of injection mold unilateral business turn over cooling water which characterized in that: comprises a lower die (1) and an upper die (3);

the upper side of the lower die (1) is provided with a die cavity (2), and the lower side of the upper die (3) is inserted into the upper part of the die cavity (2) through an upper die core (5);

a cooling chamber (6) is formed in the lower die (1), and first heat exchange fins (7) and second heat exchange fins (19) are mounted on the inner wall of the cooling chamber (6);

cooling chamber (6) one side both ends are connected with inlet channel (8) and outlet conduit (10), inlet channel (8) and outlet conduit (10) one side are connected with storage water tank (12), water injection pipe (13) are installed to storage water tank (12) upper end one side, just install ball-cock assembly (14) between water injection pipe (13) and storage water tank (12).

2. The circuit device for the single-side inlet and outlet of cooling water of an injection mold according to claim 1, wherein: and a positioning block (4) is installed on the lower side of the upper die (3), and the positioning block (4) is inserted into a positioning groove formed in the upper part of the lower die (1).

3. The circuit device for the single-side inlet and outlet of cooling water of an injection mold according to claim 1, wherein: the first heat exchange fins (7) and the second heat exchange fins (19) are arranged at equal intervals and are sheet-shaped.

4. The circuit device for the single-side inlet and outlet of cooling water of an injection mold according to claim 1, wherein: the first heat exchange fins (7) are longitudinally arranged inside the cooling chamber (6), and the second heat exchange fins (19) are transversely arranged inside the cooling chamber (6).

5. The circuit device for the single-side inlet and outlet of cooling water of an injection mold according to claim 1, wherein: first through holes (18) and second through holes (20) are formed in the first heat exchange fins (7) and the second heat exchange fins (19), and the first through holes (18) and the second through holes (20) are arranged in a vertical mode.

6. The circuit device for the single-side inlet and outlet of cooling water of an injection mold according to claim 1, wherein: install first water pump (9) and condenser (15) on inlet channel (8), install second water pump (11) on outlet conduit (10).

Images