CN219705994U - Device for cooling injection mold - Google Patents

Abstract

The utility model belongs to the technical field of injection mold cooling, in particular to a device for cooling an injection mold, which comprises a base; the cooling device comprises a base, and is characterized in that a cooling groove is arranged at the top of the base, a lower cavity mold is arranged on the inner wall of the bottom of the cooling groove, a spiral cooling pipe is fixedly connected between the lower cavity mold and the cooling groove, heat dissipation holes are formed in four side faces of the cooling groove, a fixed plate is fixedly connected at the bottom end of the circumferential surface of each heat dissipation hole, a motor is arranged on the fixed plate, a fan is arranged at the output end of the motor in a matched rotation manner through a bearing, and a water tank is arranged in the middle of the bottom of the base; when cooling the working of plastics, through the pump action of sending water, make the cooling water in the water tank flow into in the cooling tube, and then can cool off the working of plastics, accelerate the rapid solidification shaping of working of plastics, under the cooperation of motor, make the fan blow off the steam that the cooling tube sent fast, accelerate the heat dispersion of cooling tube and cooling tank, improved the cooling efficiency to the working of plastics.

Description

Device for cooling injection mold

Technical Field

The utility model relates to the technical field of injection mold cooling, in particular to a device for cooling an injection mold.

Background

The injection mold is characterized in that heated and melted plastic is injected into a mold cavity at high pressure by an injection molding machine, a formed product is obtained after cooling and solidifying, and the injection mold needs to be cooled after injection molding is completed so as to facilitate rapid forming of plastic parts in the mold.

The existing cooling device for the injection mold is generally composed of a water tank, a water pump, a water pipe and a cooling groove, and when the plastic part is cooled, the cooling water in the water tank is conveyed into the cooling groove through the water pipe under the action of the water pump, so that the purpose of cooling the plastic part is achieved.

The existing cooling device for the injection mold can consume a large amount of water in the cooling process, so that the stable quantity of circulating water can not be ensured, the cooling process is unstable, and the cooling effect is affected; therefore, an apparatus for cooling an injection mold is proposed for the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems set forth in the background art, the utility model provides a device for cooling an injection mold.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a device for cooling an injection mold, which comprises a base; the cooling device comprises a base, a support column is welded at four corners of the bottom of the base, a cooling groove is arranged at the top of the base, a lower cavity die is arranged on the inner wall of the bottom of the cooling groove, a spiral cooling pipe is fixedly connected between the lower cavity die and the cooling groove, heat dissipation holes are formed in four sides of the cooling groove, a fixing plate is fixedly connected to the bottom end of the circumferential surface of the heat dissipation holes, a motor is arranged on the fixing plate, a fan is arranged at the output end of the motor in a rotating mode through a bearing in a matching mode, the fan is arranged in the heat dissipation holes, a water tank is arranged in the middle of the bottom of the base, a supporting seat is fixedly connected to one side of the water tank, a water feeding pump is arranged on the supporting seat, a water inlet of the water feeding pump is connected with a water delivery pipe, the other end of the water delivery pipe is connected with the water inlet end of the cooling pipe, a first one-way valve is arranged on the water delivery pipe, after the injection molding die is finished, in order to facilitate rapid solidification and molding of a plastic piece, the fan is arranged at the time of cooling the plastic piece, the cooling efficiency of the cooling piece is accelerated through the water feeding pump, the cooling pipe is enabled to flow into the cooling piece in the water tank, the cooling pipe is cooled down, the cooling piece is cooled down, and the cooling piece is cooled down rapidly, and the cooling piece is cooled down, and the cooling efficiency of the cooling piece is further is accelerated, and the cooling piece is cooled down.

Preferably, a water suction pump is arranged at the bottom end of the other side of the water tank, an output port of the water suction pump is arranged in the water tank, an input port of the water suction pump is connected with a water suction pipe, the other end of the water suction pipe is connected with a water outlet end of the cooling pipe, a second one-way valve is arranged on the water suction pipe, after cooling and solidification of the plastic part are completed, in order to recycle water resources, when water in the cooling pipe flows into the water tank again, the water in the cooling pipe is pumped into the water tank again through the action of the water suction pump, so that the water resources can be recycled, and the water consumption is saved.

Preferably, the water storage tank is installed to the bottom of base, just the water storage tank sets up the side at the water tank, be connected with the water storage pipe between water storage tank and the water tank, be provided with the kickboard in the water tank, just the kickboard is with the inner wall sliding connection of water tank, be fixed with the baffle on the kickboard, install first electrode plate on the baffle, the through-hole has been seted up on the baffle, just the through-hole sets up in the below of first electrode plate, the top inner wall rigid coupling of water tank has the fixed column, the bottom rigid coupling of fixed column has the second electrode plate, just the second electrode plate sets up in the top of kickboard, in order to guarantee the stability of the interior circulating water volume of water tank, through setting up a water storage tank in the water tank outside, when the circulating water volume in the water tank reduces, the kickboard drives baffle level decline, and through-hole and first electrode plate also descend thereupon, when first electrode plate moves down to the water inlet coincidence with the water storage pipe of second electrode plate, can make the water in the water storage tank flow into in the water tank to the below, thereby realized guaranteeing the steady effect of the interior circulating water circulation volume of water tank, thereby the steady cooling water volume has been improved.

Preferably, the stand has all been welded to the top both sides of base, two the diaphragm is installed in the top cooperation of stand, install the pneumatic cylinder on the diaphragm, the action end of pneumatic cylinder is equipped with the pneumatic rod, the bottom rigid coupling of pneumatic rod has the lifter plate, just the both ends of lifter plate are overlapped respectively and are established on the stand to with stand sliding connection, the rigid coupling has the mould on the lifter plate, just go up the mould setting directly over lower die cavity mould, in injection moulding in-process, through the pneumatic cylinder effect, can carry out the die casting shaping operation to the injection molding.

The utility model has the advantages that:

1. when the plastic part is cooled, the cooling water in the water tank flows into the cooling pipe through the water supply pump, so that the plastic part can be cooled, the rapid solidification and molding of the plastic part are accelerated, the fan can rapidly blow off hot gas emitted by the cooling pipe under the matching action of the motor, the heat dissipation capacity of the cooling pipe and the cooling groove is accelerated, the cooling rate of the plastic part is further accelerated, and the cooling efficiency of the plastic part is improved;

2. in order to ensure the stability of the circulating water in the water tank, the water storage tank is arranged outside the water tank to realize the supplementation of the circulating water in the water tank, when the circulating water in the water tank is reduced, the floating plate drives the baffle plate to horizontally descend, the through hole and the first electrode plate also descend, and when the first electrode plate moves downwards to be in contact with the second electrode plate, the through hole is overlapped with the water inlet of the water storage pipe at the moment, so that the water in the water storage tank can flow into the water tank, the supplementation of the circulating water in the water tank is realized, the stable quantity of the circulating water in the water tank is ensured, and the cooling effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view;

FIG. 2 is a schematic cross-sectional perspective view of a cooling tank;

FIG. 3 is a schematic view of a first cross-sectional perspective structure of a base;

FIG. 4 is a second cross-sectional perspective view of the base;

fig. 5 is a schematic cross-sectional perspective view of the water tank.

In the figure: 1. a base; 2. a support column; 3. a cooling tank; 4. a lower cavity mold; 5. a cooling tube; 6. a heat radiation hole; 7. a motor; 8. a blower; 9. a water tank; 10. a support base; 11. a water feeding pump; 12. a water pipe; 13. a water pump; 14. a water pumping pipe; 15. a water storage tank; 16. a water storage pipe; 17. fixing the column; 18. a second electrode plate; 19. a floating plate; 20. a baffle; 21. a first electrode plate; 22. a through hole; 23. a column; 24. a cross plate; 25. a pneumatic cylinder; 26. a pneumatic lever; 27. a lifting plate; 28. and (5) feeding a die.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1 to 3, an apparatus for cooling an injection mold includes a base 1; the cooling tank 3 is arranged at the top of the base 1, the lower cavity die 4 is arranged on the inner wall of the bottom of the cooling tank 3, a spiral cooling pipe 5 is fixedly connected between the lower cavity die 4 and the cooling tank 3, heat dissipation holes 6 are formed in four sides of the cooling tank 3, a fixed plate is fixedly connected with the bottom end of the circumferential surface of the heat dissipation holes 6, a motor 7 is arranged on the fixed plate, a fan 8 is arranged at the output end of the motor 7 in a matched rotation manner through a bearing, the fan 8 is arranged in the heat dissipation holes 6, a water tank 9 is arranged in the middle of the bottom of the base 1, a supporting seat 10 is fixedly connected to one side of the water tank 9, a water feeding pump 11 is arranged on the supporting seat 10, a water inlet of the water feeding pump 11 is arranged in the water tank 9, a water outlet of the water feeding pump 11 is connected with a water conveying pipe 12, the other end of the water conveying pipe 12 is connected with a water inlet end of the cooling pipe 5, and a first one-way valve is arranged on the water conveying pipe 12; after the injection mold is finished, in order to facilitate the rapid solidification and molding of the plastic part, the mold is required to be cooled, when the plastic part is cooled, the water feeding pump 11 is started, the first one-way valve is opened, cooling water in the water tank 9 flows into the cooling pipe 5 through the water pipe 12, cooling water in the cooling pipe 5 can cool the plastic part, rapid solidification and molding of the plastic part is accelerated, the fan 8 is enabled to rotate under the matching action of the motor 7, the fan 8 can rapidly blow away hot air emitted by the cooling pipe 5, the heat dissipation capacity of the cooling pipe 5 and the cooling groove 3 is accelerated, the cooling rate of the plastic part is further accelerated, and the cooling efficiency of the plastic part is improved.

Referring to fig. 4, a water pump 13 is mounted at the bottom end of the other side of the water tank 9, an output port of the water pump 13 is disposed in the water tank 9, an input port of the water pump 13 is connected with a water suction pipe 14, and a second check valve is mounted on the water suction pipe 14, the other end of the water suction pipe 14 is connected with the water outlet end of the cooling pipe 5; after the plastic part is cooled and solidified, in order to recycle water resources, when water in the cooling pipe 5 flows into the water tank 9 again, the water suction pump 13 is started, the second one-way valve is opened, and the water in the cooling pipe 5 is pumped into the water tank 9 again through the water suction pipe 14, so that the water resources can be recycled, and the water consumption is saved.

Referring to fig. 5, the water storage tank 15 is installed at the bottom of the base 1, the water storage tank 15 is disposed beside the water tank 9, a water storage pipe 16 is connected between the water storage tank 15 and the water tank 9, a floating plate 19 is disposed in the water tank 9, the floating plate 19 is slidably connected with the inner wall of the water tank 9, a baffle 20 is fixed on the floating plate 19, a first electrode plate 21 is installed on the baffle 20, a through hole 22 is formed on the baffle 20, the through hole 22 is disposed below the first electrode plate 21, a fixed column 17 is fixedly connected to the inner wall of the top of the water tank 9, a second electrode plate 18 is fixedly connected to the bottom end of the fixed column 17, and the second electrode plate 18 is disposed above the floating plate 19.

Referring to fig. 1, the two sides of the top of the base 1 are welded with upright posts 23, the top ends of the two upright posts 23 are matched with each other to install a transverse plate 24, a pneumatic cylinder 25 is installed on the transverse plate 24, the acting end of the pneumatic cylinder 25 is provided with a pneumatic rod 26, the bottom end of the pneumatic rod 26 is fixedly connected with a lifting plate 27, two ends of the lifting plate 27 are respectively sleeved on the upright posts 23 and are slidably connected with the upright posts 23, an upper die 28 is fixedly connected on the lifting plate 27, the upper die 28 is arranged right above the lower die cavity die 4, in the injection molding process, after injection molding liquid is injected into the lower die cavity die 4, the pneumatic cylinder 25 is started, the pneumatic rod 26 drives the lifting plate 27 and the upper die 28 to move vertically until the upper die 28 is matched with the lower die cavity die 4, and the pneumatic cylinder 25 stops working, so that injection molding operation can be performed on injection molded parts.

The working principle is that the existing cooling device for the injection mold consumes a large amount of water in the cooling process, so that the stable quantity of circulating water cannot be ensured, the cooling process is unstable, and the cooling effect is affected; therefore, an apparatus for cooling an injection mold is proposed in view of the above-mentioned problems; after injection molding is finished, in order to facilitate rapid solidification and molding of the plastic part, the mold is required to be cooled, when the plastic part is cooled, the water feeding pump 11 is started, the first one-way valve is opened, cooling water in the water tank 9 flows into the cooling pipe 5 through the water pipe 12, cooling water in the cooling pipe 5 can cool the plastic part, rapid solidification and molding of the plastic part is accelerated, the fan 8 is enabled to rotate under the matching action of the motor 7, the fan 8 can rapidly blow away hot air emitted by the cooling pipe 5, the heat dissipation capacity of the cooling pipe 5 and the cooling groove 3 is accelerated, the cooling rate of the plastic part is further accelerated, and the cooling efficiency of the plastic part is improved; after the plastic part is cooled and solidified, in order to recycle water resources, when the water in the cooling pipe 5 flows into the water tank 9 again, the water suction pump 13 is started, the second one-way valve is opened, and the water in the cooling pipe 5 is pumped into the water tank 9 again through the water suction pipe 14, so that the water resources can be recycled, and the water consumption is saved;

the water circulation in the water tank 9 is not guaranteed because a large amount of water is consumed in the cooling process, the water in the water tank 9 is required to be kept stable in order to avoid influencing the cooling effect on the plastic parts, the cooling effect can be effectively guaranteed, the water circulation in the water tank 9 is replenished by arranging the water storage tank 15 outside the water tank 9, when the water circulation in the water tank 9 is reduced, the horizontal position of the floating plate 19 is lowered, the baffle plate 20 is driven to be lowered along with the lowering of the baffle plate 20, the through hole 22 and the first electrode plate 21 are lowered along with the lowering of the baffle plate 20, and when the first electrode plate 21 is moved downwards to be in contact with the second electrode plate 18, the through hole 22 is overlapped with the water inlet of the water storage pipe 16, so that the water in the water storage tank 15 flows into the water tank 9 through the water storage pipe 16, the replenishing of the water circulation in the water tank 9 is realized, the stable amount of the circulating water in the water tank 9 is guaranteed, and the cooling effect is improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. An apparatus for cooling an injection mold, characterized in that: comprises a base (1); the cooling device is characterized in that support columns (2) are welded at four corners of the bottom of the base (1), the cooling tank (3) is installed at the top of the base (1), a lower cavity die (4) is installed on the inner wall of the bottom of the cooling tank (3), a spiral cooling pipe (5) is fixedly connected between the lower cavity die (4) and the cooling tank (3), cooling holes (6) are formed in four sides of the cooling tank (3), a fixed plate is fixedly connected with the bottom end of the circumferential surface of the cooling holes (6), a motor (7) is installed on the fixed plate, a fan (8) is installed at the output end of the motor (7) through bearing matching rotation, the fan (8) is arranged in the cooling holes (6), a water tank (9) is installed at the middle of the bottom of the base (1), a supporting seat (10) is fixedly connected to one side of the water tank (9), a water delivery pump (11) is installed on the supporting seat (10), a water inlet of the water delivery pump (11) is arranged in the water tank (9), a water delivery pipe (12) is connected with a water delivery pipe (12), and the water delivery pipe (12) is connected with a water delivery pipe (12).

2. The apparatus for cooling an injection mold according to claim 1, wherein: the water tank is characterized in that a water suction pump (13) is arranged at the bottom end of the other side of the water tank (9), an output port of the water suction pump (13) is arranged in the water tank (9), an input port of the water suction pump (13) is connected with a water suction pipe (14), the other end of the water suction pipe (14) is connected with a water outlet end of the cooling pipe (5), and a second one-way valve is arranged on the water suction pipe (14).

3. The apparatus for cooling an injection mold according to claim 1, wherein: the water storage tank (15) is installed at the bottom of the base (1), the water storage tank (15) is arranged beside the water tank (9), and a water storage pipe (16) is connected between the water storage tank (15) and the water tank (9).

4. The apparatus for cooling an injection mold according to claim 1, wherein: be provided with kickboard (19) in water tank (9), just kickboard (19) and the inner wall sliding connection of water tank (9), be fixed with baffle (20) on kickboard (19), install first electrode plate (21) on baffle (20), through-hole (22) have been seted up on baffle (20), just through-hole (22) set up in the below of first electrode plate (21), the top inner wall rigid coupling of water tank (9) has fixed column (17), the bottom rigid coupling of fixed column (17) has second electrode plate (18), just second electrode plate (18) set up the top at kickboard (19).

5. The apparatus for cooling an injection mold according to claim 1, wherein: the pneumatic lifting device is characterized in that upright posts (23) are welded on two sides of the top of the base (1), transverse plates (24) are mounted on the top ends of the upright posts (23) in a matched mode, pneumatic cylinders (25) are mounted on the transverse plates (24), and pneumatic rods (26) are mounted at the action ends of the pneumatic cylinders (25).

6. The apparatus for cooling an injection mold of claim 5, wherein: the bottom of pneumatic rod (26) rigid coupling has lifter plate (27), just lifter plate (27) both ends cover are established respectively on stand (23) to with stand (23) sliding connection, the rigid coupling has last mould (28) on lifter plate (27), just go up mould (28) setting directly over lower die cavity mould (4).