CN220517332U

CN220517332U - Plastic mold with cooling structure

Info

Publication number: CN220517332U
Application number: CN202321408596.XU
Authority: CN
Inventors: 谌新宇; 石浩东
Original assignee: Guangzhou Modao Plastic Products Co ltd
Current assignee: Guangzhou Modao Plastic Products Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2024-02-23
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to the technical field of plastic molds, in particular to a plastic mold with a cooling structure. According to the utility model, through the arrangement of the first water pump and the second water pump, the cooling liquid at the inner side of the cooling box can be pumped out, the surface and the bottom end of the lower die are cooled through the first cooling pipe and the second cooling pipe, the heat emitted by the lower die can be fully absorbed, and through the arrangement of the radiator, the cooling liquid in the first cooling pipe and the second cooling pipe can be radiated, so that the effect of reducing the temperature of the cooling liquid is achieved, the cooling liquid can be better circulated, the first cooling pipe and the second cooling pipe can be better used for reducing the temperature of the lower die, the cooling speed of the lower die can be accelerated, and meanwhile, the air is blown to the inner side of the second cooling pipe and the bottom end of the die holder through the fan, and the effect of secondarily cooling the cooling bin and the die holder can be achieved.

Description

Plastic mold with cooling structure

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a plastic mold with a cooling structure.

Background

With the rapid development of the plastic industry and the continuous improvement of the general and engineering plastics in the aspects of strength, etc., the application range of plastic products is also continuously expanding, and the use amount of plastic products is also rising. The plastic mould is a tool for producing plastic products, which is composed of several groups of parts, and the forming mould cavity is arranged in the group. During injection molding, the mold is clamped on the injection molding machine, molten plastic is injected into the molding cavity, cooled and shaped in the cavity, then the upper mold and the lower mold are separated, the product is ejected out of the mold from the mold cavity through the ejection system, finally the mold is closed again for next injection molding, and the whole injection molding process is circularly performed. Because of the variety of plastics and the variety of processing methods, the structures of the plastic molding machine and the plastic products are various, and the variety and the structure of the plastic mold are also various.

In the prior art, when the plastic product is subjected to injection molding processing through the plastic mold, molten plastic is cooled in the mold cavity in general in a water cooling mode to cool the mold, so that the cooling molding of the plastic product is realized, and the mold is inconvenient to rapidly cool due to the fact that the cooling mode is single only by water cooling, so that the cooling molding efficiency of the plastic product is poor, meanwhile, the surface of the mold is possibly not uniform enough, and the cooling molding quality of the plastic is reduced, so that the plastic mold with a cooling structure is required to be designed to solve the problems.

Disclosure of Invention

The utility model aims to provide a plastic mold with a cooling structure, which solves the problems that the cooling mode only by water cooling is single and the rapid cooling of the mold is inconvenient, so that the cooling molding efficiency of plastic products is poor, and meanwhile, the surface cooling of the mold is possibly not uniform enough, so that the quality of plastic cooling molding is reduced.

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

the plastic mold with the cooling structure comprises a frame body, wherein the frame body comprises a mold base, a lower mold is fixedly connected to the surface of the mold base, a mold base is fixedly connected to the upper surface of the mold base, a telescopic cylinder is fixedly installed at the top end of the mold base, an upper mold is fixedly connected to the output end of the telescopic cylinder, the upper mold is movably connected with the mold base, and a mold cavity is formed in the inner side of the lower mold;

the surface of lower mould is provided with cooling mechanism, cooling mechanism includes the cooling tank, cooling tank fixed connection is in the bottom of die holder, the inboard fixedly connected with first cooling tube of cooling tank, the surface fixed mounting of first cooling tube has first water pump, one side of cooling tank is provided with the radiator, the inboard fixedly connected with second cooling tube of cooling tank, the interior surface fixed mounting of second cooling tube has the second water pump.

Preferably, the cooling mechanism further comprises an air cooling bin, the air cooling bin is arranged on the inner side of the cooling box, a fan is arranged on the inner side of the air cooling bin, a heat dissipation bin is arranged on the inner side of the cooling box, the second cooling pipe is arranged on the inner side of the heat dissipation bin, a first heat dissipation hole is formed in the inner side of the cooling box, and a second heat dissipation hole is formed in the inner side of the air cooling bin.

Preferably, the water inlet end and the water outlet end of the first cooling pipe are both arranged on the inner side of the cooling box, the first cooling pipe is wound on the surface of the lower die, the water inlet end and the water outlet end of the second cooling pipe are both arranged on the inner side of the cooling box, and the first cooling pipe and the second cooling pipe are both arranged on the inner side of the radiator.

Preferably, the fans are arranged on the inner side of the air cooling bin in five groups, and the first heat dissipation holes are arranged on the inner side of the cooling box in four groups.

Preferably, the side view of lower mould is provided with the mechanism of drawing out the mould, the mechanism of drawing out the mould includes the movable groove, the inboard at the lower mould is seted up to the movable groove, the inboard swing joint in movable groove has the bull stick, the fixedly connected with cam of bull stick, the fixed surface of lower mould installs the motor, the output fixed connection of bull stick and motor, the spout has been seted up to the inner wall in movable groove, the surface swing joint of spout has the slider, the one end fixedly connected with connecting rod of spout is kept away from to the slider, the top fixedly connected with roof of connecting rod, the fixedly connected with spring of slider.

Preferably, the sliding grooves are formed in two groups and are formed in the inner wall of the movable groove, the connecting rods are movably connected with the sliding grooves through sliding blocks, the top plate is movably connected with the inner side of the die cavity, one end of the spring is fixedly connected with the sliding grooves, and the other end of the spring is fixedly connected with the sliding blocks.

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

through the setting of first water pump and second water pump, can realize taking out the inboard coolant liquid of cooling tank, and cool down surface and the bottom of lower mould through first cooling tube and second cooling tube, can fully absorb the heat that the lower mould gives off, through the setting of radiator, can dispel the heat to the coolant liquid in first cooling tube and the second cooling tube, thereby reach the effect that makes coolant liquid temperature reduce, make the coolant liquid circulate that can be better, and then first cooling tube and second cooling tube can be better cool down the lower mould, can accelerate lower mould cooling rate, the air is blown to the inboard of second cooling tube and the bottom of die holder through the fan simultaneously, can reach the effect of carrying out the secondary cooling to cooling bin and die holder, can realize double cooling, can accelerate the cooling shaping of plastic products.

Through the bull stick rotation, can realize that the cam extrudees the connecting rod at pivoted in-process, and then the roof can rise under the effect of connecting rod, can realize carrying out the jacking to the plastic product of die cavity inboard to reach the effect of helping plastic product drawing of patterns, it is comparatively convenient to make the drawing of patterns, can alleviate drawing of patterns burden simultaneously, promotes the effect of drawing of patterns.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic elevational cross-sectional view of the structure of the mold cavity and top plate of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic side cross-sectional view of a portion of the cam and top plate of the present utility model.

In the figure: 1. a die holder; 11. a lower die; 12. a mould frame; 13. a telescopic cylinder; 14. an upper die; 15. a mold cavity; 2. a cooling box; 21. a first cooling tube; 22. a first water pump; 23. a heat sink; 24. a second cooling tube; 25. a second water pump; 26. an air cooling bin; 27. a fan; 28. a heat dissipation bin; 29. a first heat radiation hole; 210. a second heat radiation hole; 3. a movable groove; 31. a rotating rod; 32. a cam; 33. a motor; 34. a chute; 35. a slide block; 36. a connecting rod; 37. a top plate; 38. and (3) a spring.

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 fig. 1-4, an embodiment of the present utility model is provided:

the plastic mold with the cooling structure comprises a frame body, wherein the frame body comprises a mold base 1, a lower mold 11 is fixedly connected to the surface of the mold base 1, a mold base 12 is fixedly connected to the upper surface of the mold base 1, a telescopic cylinder 13 is fixedly arranged at the top end of the mold base 12, an upper mold 14 is fixedly connected to the output end of the telescopic cylinder 13, the upper mold 14 is movably connected with the mold base 12, a mold cavity 15 is formed in the inner side of the lower mold 11, and molten plastic can be molded by injecting the molten plastic into the inner side of the mold cavity 15 and driving the upper mold 14 to be pressed down under the action of the telescopic cylinder 13;

the surface of lower mould 11 is provided with cooling mechanism, cooling mechanism includes cooling tank 2, cooling tank 2 fixed connection is in the bottom of die holder 1, the inboard fixedly connected with first cooling tube 21 of cooling tank 2, the surface fixed mounting of first cooling tube 21 has first water pump 22, one side of cooling tank 2 is provided with radiator 23, the inboard fixedly connected with second cooling tube 24 of cooling tank 2, the interior surface fixed mounting of second cooling tube 24 has second water pump 25, through the setting of first cooling tube 21 and second cooling tube 24, can realize cooling down the surface and the bottom of lower mould 11, and then can realize the quick cooling of lower mould 11, accelerate plastic shaping.

Further, the cooling mechanism further comprises an air cooling bin 26, the air cooling bin 26 is arranged on the inner side of the cooling box 2, a fan 27 is arranged on the inner side of the air cooling bin 26, a heat dissipation bin 28 is arranged on the inner side of the cooling box 2, a second cooling pipe 24 is arranged on the inner side of the heat dissipation bin 28, a first heat dissipation hole 29 is formed in the inner side of the cooling box 2, a second heat dissipation hole 210 is formed in the inner side of the air cooling bin 26, heat brought by the second cooling pipe 24 and the lower die 11 is conveniently dissipated through the first heat dissipation hole 29, and the fan 27 can cool the second cooling pipe 24 and the lower die 11 better, so that the plastic cooling forming speed can be accelerated.

Further, the water inlet end and the water outlet end of the first cooling pipe 21 are both arranged on the inner side of the cooling box 2, the first cooling pipe 21 is wound on the surface of the lower die 11, the water inlet end and the water outlet end of the second cooling pipe 24 are both arranged on the inner side of the cooling box 2, the first cooling pipe 21 and the second cooling pipe 24 are both arranged on the inner side of the radiator 23, and the first cooling pipe 21 and the second cooling pipe 24 can radiate heat through the arrangement of the radiator 23, so that the temperature of cooling liquid in the first cooling pipe 21 and the second cooling pipe 24 can be reduced, the first cooling pipe 21 and the second cooling pipe 24 can better circulate, and the lower die 11 is cooled.

Further, the fans 27 are arranged on the inner sides of the air cooling bins 26 in five groups, the first heat dissipation holes 29 are arranged on the inner sides of the cooling boxes 2 in four groups, and through the arrangement of the fans 27, the air can be blown to the second cooling pipes 24 on the inner sides of the heat dissipation bins 28 and the bottoms of the lower dies 11, so that the cooling of the bottoms of the second cooling pipes 24 and the die holders 1 can be realized.

Further, the side view of lower mould 11 is provided with the demolding mechanism, demolding mechanism includes movable groove 3, the inboard at lower mould 11 is seted up to movable groove 3, the inboard swing joint in movable groove 3 has bull stick 31, the fixed surface of bull stick 31 is connected with cam 32, the fixed surface of lower mould 11 installs motor 33, the fixed connection of output of bull stick 31 and motor 33, spout 34 has been seted up to the inner wall of movable groove 3, the surface swing joint of spout 34 has slider 35, the one end fixedly connected with connecting rod 36 of spout 34 is kept away from to slider 35, the top fixedly connected with roof 37 of connecting rod 36, the fixed surface of slider 35 is connected with spring 38, through the setting of cam 32, can realize when the convex surface of cam 32 is facing to connecting rod 36, can extrude it, and then can realize that roof 37 rises under the effect of connecting rod 36, can reach the plastics that carries out the jacking with the die cavity 15 inboard, be convenient for carry out the drawing of patterns to plastics.

Further, the sliding groove 34 is formed in two groups and is formed in the inner wall of the movable groove 3, the connecting rod 36 is movably connected with the sliding groove 34 through the sliding block 35, the top plate 37 is movably connected with the inner side of the die cavity 15, one end of the spring 38 is fixedly connected with the sliding groove 34, the other end of the spring 38 is fixedly connected with the sliding block 35, the sliding block 35 can be reset through the arrangement of the spring 38, and then the connecting rod 36 can drive the top plate 37 to reset.

Working principle: when the cooling device is used, the wires are arranged on the surface of the first water pump 22 and connected with an external power supply to provide power for the first water pump 22, the first water pump 22 is started through the pressing switch, the first water pump 22 pumps out cooling liquid in the cooling box 2 through the first cooling pipe 21, the surface of the lower die 11 is cooled through the first cooling pipe 21, the wires are arranged on the surface of the second water pump 25 and connected with the external power supply to provide power for the second water pump 25, the second water pump 25 is started through the pressing switch, the cooling liquid in the cooling box 2 is pumped out through the second cooling pipe 24, the bottom end of the lower die 11 is cooled through the second cooling pipe 24, meanwhile, the cooling effect of cooling the temperature of the cooling liquid inside the first cooling pipe 21 and the second cooling pipe 24 can be achieved through the effect of the radiator 23, the cooling liquid can be circulated better, the cooling effect of cooling the bin 28 inside the second cooling pipe 24 and the bottom end of the lower die 11 can be achieved through the second cooling hole 210 and the first cooling hole 29, and the cooling effect of the lower die 11 can be achieved, and double cooling effect of cooling of the lower die 11 can be achieved.

The output of motor 33 passes through the wire and is connected with external power supply's input electricity, the staff starts motor 33 through the push switch, motor 33 operation makes bull stick 31 drive cam 32 rotation, when the convex surface of cam 32 is facing to connecting rod 36, can make connecting rod 36 slide upwards at the surface of spout 34 through slider 35, spring 38 is the shrink state this moment, realize roof 37 and rise under the effect of connecting rod 36, reach the effect of drawing of patterns to plastic products, make its concave surface face connecting rod 36 through cam 32 rotation, slider 35 can reset under spring 38's resilience effect, and then connecting rod 36 can drive roof 37 and reset thereupon under slider 35's effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a plastic mold with cooling structure, includes the support body, the support body includes die holder (1), the fixed surface of die holder (1) is connected with lower mould (11), the upper surface fixedly connected with die holder (12) of die holder (1), telescopic cylinder (13) are fixedly installed on the top of die holder (12), the output fixedly connected with of telescopic cylinder (13) goes up mould (14), go up mould (14) and die holder (12) swing joint, die cavity (15) have been seted up to the inboard of lower mould (11);

the cooling mechanism is characterized in that the surface of the lower die (11) is provided with a cooling mechanism, the cooling mechanism comprises a cooling box (2), the cooling box (2) is fixedly connected to the bottom end of the die holder (1), a first cooling pipe (21) is fixedly connected to the inner side of the cooling box (2), a first water pump (22) is fixedly arranged on the surface of the first cooling pipe (21), a radiator (23) is arranged on one side of the cooling box (2), a second cooling pipe (24) is fixedly connected to the inner side of the cooling box (2), and a second water pump (25) is fixedly arranged on the inner surface of the second cooling pipe (24).

2. A plastic mold with cooling structure according to claim 1, characterized in that: the cooling mechanism further comprises an air cooling bin (26), the air cooling bin (26) is arranged on the inner side of the cooling box (2), a fan (27) is arranged on the inner side of the air cooling bin (26), a heat dissipation bin (28) is arranged on the inner side of the cooling box (2), a second cooling pipe (24) is arranged on the inner side of the heat dissipation bin (28), a first heat dissipation hole (29) is formed in the inner side of the cooling box (2), and a second heat dissipation hole (210) is formed in the inner side of the air cooling bin (26).

3. A plastic mold with cooling structure according to claim 1, characterized in that: the water inlet end and the water outlet end of the first cooling pipe (21) are arranged on the inner side of the cooling box (2), the first cooling pipe (21) is wound on the surface of the lower die (11), the water inlet end and the water outlet end of the second cooling pipe (24) are arranged on the inner side of the cooling box (2), and the first cooling pipe (21) and the second cooling pipe (24) are arranged on the inner side of the radiator (23).

4. A plastic mold with cooling structure according to claim 2, characterized in that: the fans (27) are arranged on the inner sides of the air cooling bins (26) in five groups, and the first radiating holes (29) are arranged on the inner sides of the cooling boxes (2) in four groups.

5. A plastic mold with cooling structure according to claim 1, characterized in that: the side view of lower mould (11) is provided with out mould mechanism, it includes movable groove (3) to go out mould mechanism, the inboard at lower mould (11) is seted up in movable groove (3), the inboard swing joint of movable groove (3) has bull stick (31), the fixed surface of bull stick (31) has cam (32), the fixed surface of lower mould (11) installs motor (33), the output fixed connection of bull stick (31) and motor (33), spout (34) have been seted up to the inner wall of movable groove (3), the surface swing joint of spout (34) has slider (35), one end fixedly connected with connecting rod (36) of spout (34) are kept away from to slider (35), the top fixedly connected with roof (37) of connecting rod (36), the fixed surface of slider (35) is connected with spring (38).

6. A plastic mold with cooling structure according to claim 5, wherein: the sliding grooves (34) are formed in two groups and are formed in the inner wall of the movable groove (3), the connecting rods (36) are movably connected with the sliding grooves (34) through sliding blocks (35), the top plate (37) is movably connected with the inner side of the die cavity (15), one end of each spring (38) is fixedly connected with the corresponding sliding groove (34), and the other end of each spring (38) is fixedly connected with the corresponding sliding block (35).