CN220314093U - Cooling device of injection mold - Google Patents

Abstract

The utility model relates to the field of mold cooling, and discloses a cooling device of an injection mold, which comprises an upper mold, a lower mold, mounting holes, screws and a mounting plate, wherein the mounting plate is fixed on one side of the lower mold far away from the upper mold; the motor is fixed at the center of one side of the mounting plate; the rotating mechanism is fixed on the surface of the mounting plate through a motor; the hydraulic slip ring is arranged at one side of the rotating mechanism; the water inlet pipe is connected with one end of the hydraulic slip ring; the support sleeve is connected with the other end of the hydraulic slip ring and is positioned at the outer side of the lower die; the shower nozzle sets up the support sleeve surface, and is close to one side of bed die. According to the utility model, besides cooling water circulation, the rotating mechanism is arranged at one side of the lower die, so that the water inlet pipe directly sprays the surface of the die through the spray head encircling the die, the risk of slow demoulding efficiency caused by overheat of cooling water temperature is avoided, the cooling efficiency is improved, the waiting time is reduced, and the effect of faster demoulding is achieved.

Description

Cooling device of injection mold

Technical Field

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

Background

The injection molding process for industrial products includes rubber injection molding and plastic injection molding, and the injection molding may be also divided into injection molding and compression molding process.

In order to meet the requirement of quick cooling of an injection mold, a cooling water pipe is usually arranged in the mold, the cooling water pipe is realized by circulating cold water, but the cold water becomes high-temperature hot water after heat exchange is completed, the cooling water pipe is not suitable for cooling, so that the cooling molding stage takes longer time to wait, or the mold is directly sprayed with water for cooling, such as a circulating water cooling structure of the injection mold, although the mold can be sprayed with water for cooling, the sprayed cooling water is less in contact with the surface of the mold, the mold can only be sprayed with cooling water on the upper half part, the mold cannot be comprehensively and quickly cooled, uneven product quality is easily caused, the spraying range is not accurate enough, and excessive water is easily damaged on parts inside the injection molding machine.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the cooling device of the injection mold, which can effectively solve the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model discloses a cooling device of an injection mold, which comprises an upper mold, a lower mold, a mounting hole and a screw, wherein the mounting hole is positioned at one side of the upper mold and the lower mold; the motor is fixed at the center of one side of the mounting plate; the rotating mechanism is fixed on the surface of the mounting plate through a motor; the hydraulic slip ring is arranged at one side of the rotating mechanism; the water inlet pipe is connected with one end of the hydraulic slip ring; the support sleeve is connected with the other end of the hydraulic slip ring and is positioned at the outer side of the lower die; the shower nozzle sets up the support sleeve surface, and is close to one side of bed die.

Still further, rotary mechanism includes slide rail, backup pad, spout, slider, bracing piece, the surface at one side of mounting panel is seted up to the slide rail, becomes the annular and encircles, the intermediate position at the pivot of motor is set firmly to the backup pad, the spout is seted up on the surface of backup pad, and runs through the backup pad, the slider is fixed inside the spout, and spherical slider and the slide rail laminating of bottom are mutually, and square fixed block is fixed at the top, the bracing piece is located the spout inside, and one end is fixed on the slider surface, and the one side at the shower nozzle is fixed to the other end.

Furthermore, the upper die and the lower die are internally provided with a recyclable water cooling pipe, two ends of the water cooling pipe are respectively provided with a water inlet and a water outlet, and the water inlet and the water outlet penetrate through one side surfaces of the upper die and the lower die.

Further, a T-shaped mounting groove is formed in the bottom of the lower die.

Furthermore, the bottom of the lower die is provided with a recovery water tank, one side of the top of the recovery water tank is fixedly provided with a T-shaped mounting block, and the T-shaped mounting block is connected with the lower die through the inside of the T-shaped mounting tank in a clamping mode.

Furthermore, a water leakage groove is formed in the bottom of the inner wall of the recovery water groove, and the inner part of the water leakage groove is connected with a backflow water pipe.

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, besides cooling water circulation is arranged in the die, the rotating mechanism is arranged on one side of the lower die, so that the water inlet pipe directly and accurately sprays the surface of the die around the die through the spray head, the effect of die temperature balance is achieved, the problem of product quality reduction caused by different die temperatures is avoided, the cooling efficiency is improved, the waiting time is reduced, the trouble of winding of the water pipe is avoided by the hydraulic slip ring arranged at the connecting place of the water inlet pipe, and the rotating mechanism can rotate in the same direction all the time.

According to the utility model, the bottom of the lower die is provided with the recovery water tank, and the bottom of the recovery water tank is connected with the reflux water pipe, so that water which is not evaporated can be collected for secondary utilization, and meanwhile, the damage to the injection molding machine caused by excessive water return is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of a rotary mechanism according to the present utility model;

FIG. 3 is a front perspective view of the rotary mechanism of the present utility model;

FIG. 4 is a cross-sectional view of a mold in accordance with the present utility model;

FIG. 5 is an enlarged view of A in FIG. 1;

reference numerals in the drawings represent respectively: 1. an upper die; 2. a lower die; 3. a mounting hole; 4. a screw; 5. a water-cooled tube; 6. a water inlet; 7. a water outlet; 8. a mounting plate; 9. a motor; 10. a slide rail; 11. a support plate; 12. a chute; 13. a slide block; 14. a water inlet pipe; 15. a hydraulic slip ring; 16. a support sleeve; 17. a spray head; 18. a recovery water tank; 19. a T-shaped mounting groove; 20. a T-shaped mounting block; 21. a return water pipe; 22. and (5) supporting the rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

Examples

The embodiment of the cooling device for the injection mold, as shown in fig. 1-5, comprises an upper mold 1, a lower mold 2, a mounting hole 3 and a screw 4, wherein the mounting hole 3 is positioned on one side of the upper mold 1 and the lower mold 2, the screw 4 is arranged inside the mounting hole 3 and is used for fixing the upper mold 1 and the lower mold 2 on an injection molding machine, when the injection molding machine is used, the mounting hole 3 is aligned to the mounting position, the screw 4 is inserted into the mounting hole 3 in a rotating manner, the upper mold 1 and the lower mold 2 are fixed on the injection molding machine, the novel mold is suitable for various injection molding machines on the market, and the installation can be realized without excessively improving the technology of the existing injection molding machine.

A mounting plate 8 fixed to a side of the lower mold 2 away from the upper mold 1; the motor 9 is fixed at the center of one side of the mounting plate 8, and the rotating mechanism is fixed on the surface of the mounting plate 8 through the motor 9 and can rotate along with the surrounding of the rotating shaft of the motor 9 at the outer side of the joint of the upper die 1 and the lower die 2; a hydraulic slip ring 15 provided on one side of the rotation mechanism; the water inlet pipe 14 is connected to one end of the hydraulic slip ring 15, the support sleeve 16 is connected with the other end of the hydraulic slip ring 15 and is positioned outside the lower die 2, the water receiving pipe is arranged in the support sleeve 16 and is connected with the water inlet pipe 14 through the hydraulic slip ring 15, so that cooling water normally circulates; the spray head 17 is provided with a surface of the support sleeve 16, and is close to one side of the lower die 2, the support sleeve 16 extends to the joint of the upper die 1 and the lower die 2, the spray head 17 is positioned right above the joint of the upper die 1 and the lower die 2, and the spray nozzle faces the surface of the lower die 2. The other end of the water inlet pipe 14 is connected with cooling water, the cooling water is sent into the water receiving pipe inside the supporting sleeve 16 through the hydraulic slip ring 15, and the cooling water is sprayed to the surface of the die through the spray head 17 for cooling, so that the water cooling circulation inside the die is eliminated, the secondary cooling is performed outside the die, and the cooling efficiency is improved.

The rotating mechanism comprises a slide rail 10, a support plate 11, a slide groove 12, a slide block 13 and a support rod 22, wherein the slide rail 10 is arranged on one side surface of the mounting plate 8 far away from the lower die 2, an arc-shaped groove is formed in the interior of the slide rail, the slide rail is convenient to slide, the support plate 11 is fixedly arranged in the middle of a rotating shaft of the motor 9, one end of the support plate 11 extends towards the top of the lower die 2, the length of the support plate 11 exceeds the radius of the slide groove 12, scratch is avoided when the lower die 2 rotates, the slide groove 12 is arranged on the surface of the support plate 11, the slide groove 11 penetrates through the support plate 11, the slide block 13 is fixedly arranged in the slide groove 12, the spherical slide block at the bottom is attached to the slide rail 10, a square fixing block is fixedly arranged at the top, the spherical slide block moves in the slide rail 10 in the sliding process, the slide rail 10 also plays a limiting role in the rotation of the support plate 11, the support rod 22 is positioned in the slide groove 12, one end is fixedly arranged on the surface of the slide block 13, the other end is fixed at one side of the spray head 17, the motor 9 is started to drive the support plate 11, the sliding block 13 arranged in the support plate 11 fixes and limits the support plate 11 along the track of the sliding rail 10, the support rod 22 arranged at the top of the sliding block 13 supports the support sleeve 16, the support sleeve 16 rotates along the outer side of the lower die 2, the sliding block 13 moves to the corner of the sliding rail 10, the sliding block 13 reaches the farthest distance in the sliding groove 12, the support rod 22 connected with the sliding block 13 pushes the support sleeve 16, the support sleeve 16 is attached to the outer side of the lower die 2 to surround, the spray head 17 at the bottom of the support sleeve 16 sprays the lower die 2 in a short distance, when the support sleeve 16 rotates, the hydraulic slip ring 15 at one end can be fixed in the support sleeve 16, the water inlet pipe 14 is fixed at the other side of the hydraulic slip ring 15, the hydraulic slip ring 15 is a multi-channel rotary joint, one end can be fixed, the other end is in rotary motion, one side which can rotate is arranged inside the support sleeve 16, and the non-rotatable side is connected with the support sleeve 14, so that the water inlet pipe 14 is prevented from winding along with the rotation of the support sleeve 16.

The inside of going up mould 1 and bed die 2 sets up circulated water-cooled tube 5, the both ends of water-cooled tube 5 set up water inlet 6 and delivery port 7 respectively, water inlet 6 runs through a side surface of mould 1 and bed die 2 with delivery port 7, when rotatory mechanism carries out water spray cooling to the mould outside, from water inlet 6 to the inside cooling water that fills of water-cooled tube 5, after the heat of cooling water absorption mould, from delivery port 7 discharge, realize the inside refrigerated effect of mould, the outside water spray cooling of cooperation rotary mechanism reaches the quick cooling of mould, reduce drawing of patterns latency, promote production efficiency, the water cooling circulation of water-cooled tube 5 can cooperate the water-cooling machine on the market to use simultaneously, the cooling effect is better, perhaps directly set up the water tank, cooperate the water pump to do the water cooling circulation, can reduce the wasting of resources.

The bottom of the lower die 2 is provided with a T-shaped mounting groove 19. The bottom of the lower die 2 is provided with a recovery water tank 18, one side of the top of the recovery water tank 18 is fixedly provided with a T-shaped mounting block 20, the T-shaped mounting block 20 is connected with the lower die 2 in a clamping manner through the T-shaped mounting groove 19, the bottom of the inner wall of the recovery water tank 18 is provided with a water leakage tank, and the inside of the water leakage tank is connected with a reflux water pipe 21. The T-shaped mounting block 20 is inserted into the T-shaped mounting groove 19, so that the recovery water tank 18 is attached to the bottom of the lower die 2 and is used for receiving unvaporised cooling water sprayed by the spray nozzle 17, and the cooling water is recovered through the reflux water pipe 21 arranged at the bottom of the recovery water tank 18 for secondary utilization, so that water is saved, and meanwhile, the damage of internal parts of the injection molding machine caused by water sprayed by the spray nozzle 17 can be avoided.

To sum up, when the mould is produced, install upper mould 1 and bed die 2 on the injection molding machine through mounting hole 3, the inside screw 4 that installs of mounting hole 3 plays fixed effect, when the work piece is produced, mould plastics through the hole of moulding plastics that sets up in upper mould 1 one side to the space in the middle of upper mould 1 and bed die 2, after the completion of moulding plastics, the inside water-cooling pipe 5 that sets up of mould begins to absorb heat through the cooling water, the inside that the cooling water got into water-cooling pipe 5 through water inlet 6, the rethread delivery port 7 discharges, reach the effect of circulating water cooling heat absorption. When the water cooling circulation is carried out in the die, the mounting plate 8 is arranged on one side of the lower die 2, the motor 9 arranged on one side of the mounting plate 8 starts to work, the motor 9 drives the supporting plate 11 fixed on the rotating shaft to rotate around the side wall of the lower die 2, the sliding groove 12 is formed in the supporting plate 11, the sliding block 13 is arranged in the sliding groove 12, the spherical sliding block at the bottom of the sliding block 13 performs limit movement in the sliding rail 10, when the motor 9 rotates to the corner of the lower die 2 with the supporting plate 11, the sliding block 13 also rotates to the corner position of the sliding rail 10, at the moment, the sliding block 13 is farthest from the motor 9, the longest distance is reached in the sliding groove 12, the supporting rod 22 is arranged at the top of the sliding block 13 and in the sliding groove 12, the sliding block 13 pushes the supporting rod 22 when moving in the sliding groove 12, the supporting sleeve 16 arranged at the other end of the supporting rod 22 is pushed to the direction away from the outer surface of the lower die 2, the supporting sleeve 16 is prevented from colliding with the corner of the lower die 2, the supporting sleeve 16 can be attached to the surface of the lower die 2 when in linear motion, the hydraulic slip ring 15 is fixed on one side of the supporting sleeve 16, the hydraulic slip ring 15 is a multi-channel and mutually noninterfere rotary joint, the hydraulic slip ring can be obtained from the existing market, when the motor 9 rotates, the water inlet pipe 14 on the other side of the hydraulic slip ring 15 keeps moving in a plane and does not rotate, the water inlet pipe 14 is prevented from winding, cooling water is obtained from the other end of the water inlet pipe 14, the cooling water passes through the inside of the water inlet pipe 14 and then passes through the hydraulic slip ring 15 to reach the water receiving pipe inside the supporting sleeve 16, a spray head 17 is arranged at one end of the supporting sleeve 16 close to the lower die 2, the water inside the supporting sleeve 16 is sprayed to the die through the spray head 17 to be synchronously cooled with the inside of the die, the cooling time is reduced, the demoulding efficiency is improved, a recovery water tank 18 is arranged at the bottom of the lower die 2, the water recycling device can be used for recycling water which is sprayed to the surface of the die by the spray head 17 and is not evaporated, a backflow water pipe 21 is arranged at the bottom of the recycling water tank 18, water is recycled, and a T-shaped mounting block 20 arranged at one side of the top of the recycling water tank 18 can be clamped into a T-shaped mounting groove 19 at the bottom of the lower die 2, so that the recycling water tank 18 is convenient to detach and clean.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The cooling device of the injection mold comprises an upper mold (1), a lower mold (2), a mounting hole (3) and a screw (4), wherein the mounting hole (3) is positioned at one side of the upper mold (1) and the lower mold (2), the screw (4) is arranged in the mounting hole (3) and is used for fixing the upper mold (1) and the lower mold (2) on an injection molding machine,

the method is characterized in that:

the mounting plate (8) is fixed on one side of the lower die (2) far away from the upper die (1);

a motor (9) fixed at the center of one side of the mounting plate (8);

the rotating mechanism is fixed on the surface of the mounting plate (8) through a motor (9);

a hydraulic slip ring (15) arranged on one side of the rotating mechanism;

the water inlet pipe (14) is connected with one end of the hydraulic slip ring (15);

the support sleeve (16) is connected with the other end of the hydraulic slip ring (15) and is positioned at the outer side of the lower die (2);

and a spray head (17) which is arranged on the surface of the support sleeve (16) and is close to one side of the lower die (2).

2. The cooling device for an injection mold according to claim 1, wherein: the rotary mechanism comprises a sliding rail (10), a supporting plate (11), a sliding groove (12), a sliding block (13) and a supporting rod (22), wherein the sliding rail (10) is arranged on the surface of one side of the mounting plate (8) to form an annular ring, the supporting plate (11) is fixedly arranged at the middle position of a rotating shaft of the motor (9), the sliding groove (12) is arranged on the surface of the supporting plate (11) and penetrates through the supporting plate (11), the sliding block (13) is fixed inside the sliding groove (12), the spherical sliding block at the bottom is attached to the sliding rail (10), the square fixing block is fixed at the top, the supporting rod (22) is arranged inside the sliding groove (12), one end of the supporting rod is fixed on the surface of the sliding block (13), and the other end of the supporting rod is fixed on one side of the spray head (17).

3. The cooling device for an injection mold according to claim 1, wherein: the inside of last mould (1) and bed die (2) sets up circulated water-cooled tube (5), and the both ends of water-cooled tube (5) set up water inlet (6) and delivery port (7) respectively, and water inlet (6) and delivery port (7) run through the one side surface of last mould (1) and bed die (2).

4. The cooling device for an injection mold according to claim 1, wherein: the bottom of the lower die (2) is provided with a T-shaped mounting groove (19).

5. The cooling device for an injection mold according to claim 1, wherein: the bottom of the lower die (2) is provided with a recovery water tank (18), one side of the top of the recovery water tank (18) is fixedly provided with a T-shaped mounting block (20), and the T-shaped mounting block (20) is clamped with the lower die (2) through the inside of the T-shaped mounting tank (19).

6. The cooling device for an injection mold according to claim 5, wherein: a water leakage groove is arranged at the bottom of the inner wall of the recovery water groove (18), and the inner part of the water leakage groove is connected with a reflux water pipe (21).