CN223099879U - A cooling device for high impact injection molded pipe fittings - Google Patents

Abstract

The utility model relates to the technical field of cooling of injection molding parts, in particular to a cooling device for a high-impact injection molding pipe fitting, which comprises a bottom plate, wherein four supporting legs are fixedly arranged on the upper end surface of the bottom plate, a lower die is fixedly arranged on the upper end surface of each supporting leg, an upper die is arranged above each lower die, an air cooling assembly is arranged on the outer sides of each lower die and each upper die, a circulating water tank is fixedly arranged on the upper end surface of the bottom plate, a water cooling assembly is arranged in each circulating water tank, each air cooling assembly comprises a lower shell, an upper shell and a cooling fan, and each water cooling assembly comprises a fixing plate, a water pump, a serpentine cooling pipe, a heat conducting rod, a square cooling pipe and a mounting groove. Through the cooperation of forced air cooling subassembly and water-cooling subassembly, improved the cooling effect to solve water and can absorb heat the cooling fast at the first half section of pipeline, however, along with the temperature rises, its heat absorption capacity weakens, leads to water at the second half section cooling efficiency of pipeline to descend, makes its cooling uniformity not good, has influenced the stability and the problem of uniformity of cooling effect.

Description

Cooling device for high-impact injection molding pipe fitting

Technical Field

The utility model relates to the technical field of cooling of injection molding parts, in particular to a cooling device for a high-impact injection molding pipe fitting.

Background

The cooling device for injection-molded pipe is an integral part of the injection molding process, and the main purpose of the cooling device is to quickly reduce the temperature of the plastic pipe after the plastic pipe is molded from a mold so as to promote solidification of materials and control the dimensional stability, surface quality and production period of products.

The common cooling device for the injection molding pipe fitting is poor in cooling effect, the cooling efficiency of the injection molding part is low, a large amount of factory space is occupied, the operation of workers is affected, and in a common water cooling mode, the initial cooling effect is remarkable, water can absorb heat and cool rapidly in the first half section of a pipeline, however, as the water temperature rises, the heat absorbing capacity of the water is weakened, the cooling efficiency of the second half section of the pipeline is reduced, the cooling uniformity of the water is improved, and the stability and consistency of the cooling effect are affected.

Therefore, lack forced air cooling subassembly and water-cooling subassembly to above-mentioned cooling device for pipe fitting of moulding plastics, the cooling effect is relatively poor, the cooling efficiency of injection molding is at the bottom, lead to taking a large amount of factory building spaces, influence workman's operation, and in the common water-cooling mode, and initial stage cooling effect is showing, water can absorb heat fast at pipeline first half cooling, however, along with the temperature rises, its heat absorption capacity weakens, lead to water at pipeline second half cooling efficiency decline, promote its cooling uniformity poor, stability and the uniformity of cooling effect have been influenced, need to be solved urgently, in order to improve the service scenario of cooling device for pipe fitting of moulding plastics.

Disclosure of utility model

In order to overcome the common cooling device for the injection molding pipe fitting, the cooling efficiency is lower, and in the use process of a water cooling mode, the cooling effect is weakened due to the fact that the water temperature is increased in the first half section, and the uniformity and stability of the cooling process cannot be ensured.

The cooling device for the high-impact injection molding pipe fitting comprises a bottom plate, wherein four supporting legs are fixedly arranged on the upper end face of the bottom plate, a lower die is fixedly arranged on the upper end face of the supporting legs, an upper die is arranged above the lower die, an air cooling assembly is arranged on the outer sides of the lower die and the upper die, a circulating water tank is fixedly arranged on the upper end face of the bottom plate, a water cooling assembly is arranged in the circulating water tank, the air cooling assembly comprises a lower shell, an upper shell and a cooling fan, and the water cooling assembly comprises a fixing plate, a water pump, a serpentine cooling pipe, a heat conducting rod, a square cooling pipe and a mounting groove.

Preferably, through the cooperation of forced air cooling subassembly and water-cooling subassembly, the cooling effect has been improved, with the cooling device for the pipe fitting of solving the common moulding plastics, the cooling effect is relatively poor, the cooling efficiency of injection molding is at the bottom, lead to taking a large amount of factory building spaces, influence the problem of workman's operation, and forced air cooling subassembly carries out even cooling to the water in the cooling tube, in order to solve water and can absorb heat fast at the first half section of pipeline and cool down, however, along with the temperature rises, its heat absorption capacity weakens, lead to water at the second half section cooling efficiency of pipeline decline, promote its cooling uniformity not good, the stability and the problem of uniformity of cooling effect have been influenced.

Preferably, the inside lateral wall of circulation tank is fixed and is provided with a plurality of fixed plates, the up end of fixed plate is fixed and is provided with the water pump, the one end of the water pump output fixedly connected with snakelike cooling tube of both sides, the one end of the square cooling tube of inboard water pump output fixedly connected with starts a plurality of water pumps, carry the water in the circulation tank into snakelike cooling tube and square cooling tube, the water flows the round again from snakelike cooling tube and square cooling tube's the other end outflow at snakelike cooling tube and square cooling tube, flow into circulation tank in and cool down the processing to water.

As the preference, in the other end of snakelike cooling tube and the other end of square cooling tube extended to the circulation tank, a plurality of mounting grooves have been seted up in the inner wall of bed die and last mould, and the internally mounted of mounting groove has snakelike cooling tube and square cooling tube, installs snakelike cooling tube and square cooling tube in the mounting groove, makes snakelike cooling tube and square cooling tube and injection molding in close contact with, improves the heat conduction effect, utilizes water to take away heat fast.

Preferably, the upper end surface of the upper die is provided with an injection hole, the injection hole penetrates through the upper end surface of the upper die and extends into a cavity formed between the lower die and the upper die, and the plastic melt enters the upper die and the lower die through the injection hole to form the expected product shape.

Preferably, the outside of bed die is fixed and is provided with four shells down, the outside of going up the mould is fixed and is provided with four shells up, the front and back both sides of two snakelike cooling tubes are all fixed and are provided with a plurality of heat conduction bars, the one end setting of a plurality of heat conduction bars is in the inside of snakelike cooling tube, a plurality of heat conduction bars other end pass through bed die and last mould respectively and extend to the inside of lower shell and last casing, through setting up the heat conduction bar, can transmit the temperature of snakelike cooling tube internal water, can reduce the temperature of snakelike cooling tube internal water, improved the effect of water in snakelike cooling tube latter half section heat absorption cooling, and the snakelike cooling tube is to both sides about bed die and the last mould cooling treatment.

Preferably, a plurality of square cooling pipes are all fixedly provided with a plurality of heat conduction bars in both sides, and the one end setting of a plurality of heat conduction bars is in the inside of square cooling pipe, and a plurality of heat conduction bars other end run through bed die and last mould respectively and extend to the inside of lower casing and last casing, through setting up the heat conduction bar, can transmit the temperature of square cooling pipe internal water, can reduce the temperature of square cooling pipe internal water, has improved the effect of water in square cooling pipe second half section heat absorption cooling, and square cooling pipe front and back both sides are cooled down and are handled.

As the preference, install two radiator fans in the mounting hole of the up end of last casing, the junction between lower casing and the upper casing left and right sides installs the branch mould module, start radiator fan and can drive external cold air flow, external cold air gets into in lower casing and the upper casing, in the hole through lower casing lower terminal surface is discharged, the cold air contacts with the surface of heat conduction stick during this period, take away the temperature on heat conduction stick surface, and the heat conduction stick can carry out heat conduction with the inside water of square cooling tube and snakelike cooling tube, make the inside coolant liquid of cooling tube can take away more heat, in order to improve radiating efficiency, and the coolant liquid of cold air constantly dispels the heat to the heat conduction stick, the inside coolant liquid of cooling tube gives the heat conduction stick, make the inside coolant liquid of cooling tube realize even transfer heat, stability and the uniformity of its cooling effect of promotion when having improved.

The utility model has the beneficial effects that:

1. The air cooling assembly and the water cooling assembly are matched, so that the cooling effect is improved, the problems that a large amount of factory space is occupied and the operation of workers is affected due to poor cooling effect and low cooling efficiency of injection molding parts are solved, the air cooling assembly uniformly cools water in the cooling pipe to solve the problems that the water can absorb heat and cool rapidly in the first half section of a pipeline, however, as the water temperature rises, the heat absorbing capacity of the cooling pipe is weakened, the cooling efficiency of the water in the second half section of the pipeline is reduced, the cooling uniformity of the cooling pipe is poor, and the stability and consistency of the cooling effect are affected are solved;

2. The cooling device has the advantages that the cooling fan is started to drive external cold air to flow, the external cold air enters the lower shell and the upper shell and is discharged through the holes on the lower end face of the lower shell, during the period, the cold air is in contact with the surface of the heat conducting rod, the temperature of the surface of the heat conducting rod is taken away, the heat conducting rod can conduct heat with water inside the square cooling pipe and the serpentine cooling pipe, the cooling liquid inside the cooling pipe can take away more heat, so that the heat radiating efficiency is improved, the cold air continuously radiates the heat conducting rod, the cooling liquid inside the cooling pipe transmits heat to the heat conducting rod, the cooling liquid inside the cooling pipe uniformly transmits heat, the cooling uniformity of the cooling liquid is improved, and the stability and the consistency of the cooling effect are improved.

Drawings

FIG. 1 shows a schematic perspective view of a cooling device for a high impact injection molding pipe fitting according to the present utility model;

FIG. 2 is a schematic perspective sectional view showing a cooling device for high impact injection molding pipe fittings according to the present utility model;

FIG. 3 shows a schematic view of a water cooling assembly of a cooling device for high impact injection molding pipe fittings according to the present utility model;

FIG. 4 shows a schematic view of a perspective installation structure of a water cooling assembly part of a cooling device for high impact injection molding pipe fittings;

Fig. 5 shows a schematic perspective view of a cooling device for high impact injection molding pipe without an upper mold part according to the present utility model.

The device comprises a bottom plate, a supporting leg, a circulating water tank, a 4-air cooling assembly, a 5-lower die, a 6-upper die, a 7-split die, a 8-water cooling assembly, a 9-injection hole, a 41-lower shell, a 42-upper shell, a 43-cooling fan, a 81-fixing plate, a 82-water pump, a 83-serpentine cooling pipe, a 84-heat conducting rod, a 85-square cooling pipe, a 86-mounting groove.

Detailed Description

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

Referring to fig. 1-5, the utility model provides an embodiment of a cooling device for high impact injection molding pipe fittings, which comprises a bottom plate 1, wherein four supporting legs 2 are fixedly arranged on the upper end surface of the bottom plate 1, a lower die 5 is fixedly arranged on the upper end surface of the supporting legs 2, an upper die 6 is arranged above the lower die 5, an air cooling assembly 4 is arranged outside the lower die 5 and the upper die 6, a circulating water tank 3 is fixedly arranged on the upper end surface of the bottom plate 1, a water cooling assembly 8 is arranged inside the circulating water tank 3, the air cooling assembly 4 comprises a lower shell 41, an upper shell 42 and a cooling fan 43, and the water cooling assembly 8 comprises a fixing plate 81, a water pump 82, a serpentine cooling pipe 83, a heat conducting rod 84, a square cooling pipe 85 and a mounting groove 86.

Referring to fig. 1-5, in this embodiment, a plurality of fixing plates 81 are fixedly disposed on the inner side wall of the circulation tank 3, a water pump 82 is fixedly disposed on the upper end surface of the fixing plates 81, one ends of serpentine cooling pipes 83 are fixedly connected to the output ends of the water pumps 82 on both sides, one ends of square cooling pipes 85 are fixedly connected to the output ends of the water pumps 82 on the inner side, the plurality of water pumps 82 are started to convey water in the circulation tank 3 into the serpentine cooling pipes 83 and the square cooling pipes 85, the water flows in the serpentine cooling pipes 83 and the square cooling pipes 85 for one turn and then flows out from the other ends of the serpentine cooling pipes 83 and the square cooling pipes 85, the water flows into the circulation tank 3 to cool the water, the other ends of the serpentine cooling pipes 83 and the other ends of the square cooling pipes 85 extend into the circulation tank 3, a plurality of mounting grooves 86 are formed in the inner walls of the lower die 5 and the upper die 6, the serpentine cooling pipes 83 and the square cooling pipes 85 are mounted in the mounting grooves 86, the serpentine cooling pipes 83 and the square cooling pipes 85 are in close contact with injection molding pieces, and the heat conduction effect is improved, and the heat is rapidly taken away.

Referring to fig. 1-5, in the present embodiment, an injection hole 9 is formed on the upper end surface of the upper mold 6, the injection hole 9 penetrates through the upper end surface of the upper mold 6 and extends into a cavity formed between the lower mold 6 and the upper mold 5, plastic melt is introduced into the upper mold 5 and the lower mold 6 through the injection hole 9 to form a desired product shape, four lower shells 41 are fixedly arranged on the outer side of the lower mold 5, four upper shells 42 are fixedly arranged on the outer side of the upper mold 6, a plurality of heat conducting rods 84 are fixedly arranged on the front side and the rear side of two serpentine cooling pipes 83, one ends of the plurality of heat conducting rods 84 are arranged inside the serpentine cooling pipes 83, the other ends of the plurality of heat conducting rods 84 respectively penetrate through the lower mold 5 and the upper mold 6 and extend into the lower shells 41 and the upper shells 42, and the temperature of water in the serpentine cooling pipes 83 can be transferred by arranging the heat conducting rods 84, the temperature of water in the serpentine cooling tube 83 can be reduced, the effect of heat absorption and temperature reduction of water in the second half section of the serpentine cooling tube 83 is improved, the serpentine cooling tube 83 is used for carrying out temperature reduction treatment on the front side and the rear side of the lower die 5 and the upper die 6, a plurality of heat conducting rods 84 are fixedly arranged on the left side and the right side of the square cooling tube 85, one ends of the plurality of heat conducting rods 84 are arranged in the square cooling tube 85, the other ends of the plurality of heat conducting rods 84 respectively penetrate through the lower die 5 and the upper die 6 and extend to the interiors of the lower shell 41 and the upper shell 42, the heat conducting rods 84 are arranged, the temperature of water in the square cooling tube 85 can be transferred, the temperature of water in the square cooling tube 85 can be reduced, the effect of heat absorption and temperature reduction of water in the second half section of the square cooling tube 85 is improved, the front side and the rear side of the square cooling tube 85 are cooled, two heat dissipation fans 43 are arranged in mounting holes on the upper end face of the upper shell 42, the split module 7 is installed at the connection part between the left side and the right side of the lower shell 41 and the upper shell 42, the cooling fan 43 is started to drive external cold air to flow, the external cold air enters the lower shell 41 and the upper shell 42 and is discharged through the holes on the lower end face of the lower shell 41, during the period, the cold air is contacted with the surface of the heat conducting rod 84, the temperature of the surface of the heat conducting rod 84 is taken away, the heat conducting rod 84 can conduct heat to the water inside the square cooling pipe 85 and the serpentine cooling pipe 83, so that the cooling liquid inside the cooling pipe can take away more heat, the heat radiating efficiency is improved, the cold air continuously radiates the heat to the heat conducting rod 84, the cooling liquid inside the cooling pipe transfers the heat to the heat conducting rod 84, the cooling liquid inside the cooling pipe evenly transfers the heat, and the cooling uniformity of the cooling rod is improved, and the stability and the consistency of the cooling effect are improved.

When in operation, plastic melt enters the upper die 6 and the lower die 5 through the injection holes 9 to form the expected product shape, a plurality of water pumps 82 are started, water in the circulating water tank 3 is conveyed into the serpentine cooling pipe 83 and the square cooling pipe 85, the water flows in the serpentine cooling pipe 83 and the square cooling pipe 85 for one circle and then flows out of the other ends of the serpentine cooling pipe 83 and the square cooling pipe 85, the water flows into the circulating water tank 3 to be cooled, the serpentine cooling pipe 83 and the square cooling pipe 85 are arranged in the mounting groove 86, the serpentine cooling pipe 83 and the square cooling pipe 85 are tightly contacted with injection parts, the heat conducting effect is improved, the heat is quickly taken away by the water, the temperature of the water in the square cooling pipe 85 can be transmitted by arranging the heat conducting rod 84, the temperature of the water in the square cooling pipe 85 can be reduced, the heat absorption and cooling effect of the water in the second half section of the square cooling pipe 85 is improved, the square cooling tube 85 is cooled at the front and back sides, the temperature of water in the serpentine cooling tube 83 can be transferred by arranging the heat conducting rod 84, the temperature of water in the serpentine cooling tube 83 can be reduced, the heat absorption and cooling effect of water in the back half section of the serpentine cooling tube 83 is improved, the serpentine cooling tube 83 is used for cooling the front and back sides of the lower die 5 and the upper die 6, the cooling fan 43 is started to drive external cold air to flow, the external cold air enters the lower shell 41 and the upper shell 42 and is discharged through holes on the lower end face of the lower shell 41, during the period, the cold air is contacted with the surface of the heat conducting rod 84, the temperature of the surface of the heat conducting rod 84 is taken away, the heat conducting rod 84 can conduct heat to the water in the square cooling tube 85 and the serpentine cooling tube 83, so that the cooling liquid in the cooling tube can take away more heat, and the heat dissipation efficiency is improved, and the cold air continuously dissipates heat to the heat conducting rod 84, and the cooling liquid in the cooling pipe transfers heat to the heat conducting rod 84, so that the cooling liquid in the cooling pipe can uniformly transfer heat, the cooling uniformity is improved, and the stability and consistency of the cooling effect are improved.

Through above-mentioned step, through the cooperation of forced air cooling subassembly 4 and water-cooling subassembly 8, the cooling effect has been improved, with the cooling device for the solution common pipe fitting of moulding plastics, the cooling effect is relatively poor, the cooling efficiency of injection molding is at the bottom, lead to taking a large amount of factory building spaces, influence the problem of workman's operation, and forced air cooling subassembly 4 carries out even cooling to the water in the cooling tube, in order to solve water and can absorb heat the cooling fast in the first half section of pipeline, however, along with the temperature rising, its heat absorption capacity weakens, lead to water to drop at the second half section cooling efficiency of pipeline, promote its cooling uniformity not good, the stability and the problem of uniformity of cooling effect have been influenced.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (7)

1. The cooling device for the high-impact injection molding pipe fitting comprises a bottom plate (1) and is characterized in that four supporting legs (2) are fixedly arranged on the upper end face of the bottom plate (1), a lower die (5) is fixedly arranged on the upper end face of the supporting legs (2), an upper die (6) is arranged above the lower die (5), an air cooling component (4) is arranged on the outer sides of the lower die (5) and the upper die (6), a circulating water tank (3) is fixedly arranged on the upper end face of the bottom plate (1), a water cooling component (8) is arranged in the circulating water tank (3), the air cooling component (4) comprises a lower shell (41), an upper shell (42) and a cooling fan (43), and the water cooling component (8) comprises a fixing plate (81), a water pump (82), a serpentine cooling pipe (83), a heat conducting rod (84), a square cooling pipe (85) and an installing groove (86).

2. The cooling device for the high impact injection molding pipe fitting according to claim 1, wherein a plurality of fixing plates (81) are fixedly arranged on the inner side wall of the circulating water tank (3), water pumps (82) are fixedly arranged on the upper end faces of the fixing plates (81), one ends of serpentine cooling pipes (83) are fixedly connected to the output ends of the water pumps (82) on two sides, and one ends of square cooling pipes (85) are fixedly connected to the output ends of the water pumps (82) on the inner side.

3. The cooling device for high impact injection molding pipe fittings according to claim 2, wherein the other end of the serpentine cooling pipe (83) and the other end of the square cooling pipe (85) extend into the circulating water tank (3), a plurality of mounting grooves (86) are formed in the inner walls of the lower mold (5) and the upper mold (6), and the serpentine cooling pipe (83) and the square cooling pipe (85) are mounted in the mounting grooves (86).

4. The cooling device for high impact injection molding pipe fittings according to claim 3, wherein the upper end surface of the upper mold (6) is provided with an injection molding hole (9), and the injection molding hole (9) penetrates through the upper end surface of the upper mold (6) and extends into a cavity formed between the lower mold (5) and the upper mold (6).

5. The cooling device for high impact injection molding pipe fittings according to claim 4, wherein four lower shells (41) are fixedly arranged on the outer side of the lower die (5), four upper shells (42) are fixedly arranged on the outer side of the upper die (6), a plurality of heat conducting rods (84) are fixedly arranged on the front side and the rear side of each of the two serpentine cooling pipes (83), one ends of the plurality of heat conducting rods (84) are arranged in the serpentine cooling pipes (83), and the other ends of the plurality of heat conducting rods (84) respectively penetrate through the lower die (5) and the upper die (6) and extend into the lower shells (41) and the upper shells (42).

6. A cooling device for high impact injection molding pipe fittings according to claim 3, wherein a plurality of heat conducting rods (84) are fixedly arranged on the left side and the right side of the square cooling pipes (85), one ends of the heat conducting rods (84) are arranged in the square cooling pipes (85), and the other ends of the heat conducting rods (84) respectively penetrate through the lower die (5) and the upper die (6) and extend into the lower shell (41) and the upper shell (42).

7. The cooling device for high impact injection molding pipe fittings according to claim 6, wherein two cooling fans (43) are installed in the installation holes of the upper end face of the upper shell (42), and a parting module (7) is installed at the joint between the lower shell (41) and the left and right sides of the upper shell (42).