Cooling device for injection mold

Abstract

The utility model discloses an injection mold cooling device which comprises a mold cooling device and a cooling water heat dissipation device arranged on the mold cooling device. The mold cooling device comprises a supporting and fixing frame, a water tank, a water collecting cover, a splash-proof cover, a first water outlet pipe, a conveying pipe, an inner supporting frame, a fixing support, a water distributing pipe, a branch pipe, a spray head and a pressure sensor, the water tank is fixedly connected to the inner side of the bottom end of the supporting and fixing frame, and the bottom end of the water collecting cover is fixedly connected to the top end of the supporting and fixing frame; the bottom end of the splash-proof cover is fixedly connected to the top end of the water collecting cover, and the first water outlet pipe is fixedly connected to one side of the water tank. According to the utility model, the heat dissipation efficiency and the automation and intellectualization of the heat dissipation process are greatly improved, the cooling water is dissipated by utilizing the natural heat dissipation capability of the ground, no additional cooling equipment is needed, the environment is protected, the energy is saved, the water resource is saved, and the heat dissipation effect is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould manufacturing technical field, concretely is a kind of injection mould cooling device. BACKGROUND

[0002] Injection mould is important tool in plastics processing industry, its cooling process has important influence to the quality and production efficiency of product, traditional injection mould cooling mode usually adopts natural cooling or simple water cooling mode, but these methods exist slow cooling speed, uneven cooling etc., leading to unstable product quality, low production efficiency, therefore, there is an urgent need for an injection mould cooling device to solve the above problems. UTILITY MODEL CONTENT

[0003] The utility model aims at providing an injection mould cooling device to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: an injection mould cooling device, including mould cooling device and cooling water heat dissipation device, the cooling water heat dissipation device is arranged on the mould cooling device, the mould cooling device includes support fixed frame, water tank, water collecting cover, splash guard, first water outlet pipe, conveying pipe, booster water pump, electric push rod, controller, mould, inner support frame, fixed support, water distribution pipe, branch pipe, spray head and pressure sensor, the water tank is fixedly connected in the bottom end inner side of support fixed frame, the bottom end of water collecting cover is fixedly connected in the top end of support fixed frame, the bottom end of splash guard is fixedly connected in the top end of water collecting cover, the first water outlet pipe is fixedly connected in one side of water tank, the booster water pump is fixedly installed on support fixed frame, the conveying pipe is fixedly connected in one end of water collecting cover close to booster water pump, and the output end of booster water pump is fixedly connected in the end of conveying pipe away from water collecting cover, the electric push rod is symmetrically fixedly connected in the top end of support fixed frame, the controller is fixedly installed in the top end middle part of support fixed frame, and the top end of two electric push rods is fixedly connected in the top end of both sides of mould respectively, the bottom end of inner support frame is fixedly connected in the inside bottom end of water tank, the fixed support is fixedly connected in the middle part of inner support frame, the middle part of water distribution pipe is fixedly connected in the end of conveying pipe away from booster water pump, the branch pipe is uniformly fixedly connected on water distribution pipe, and the branch pipe is fixedly installed in the top end of fixed support, the spray head is uniformly fixedly connected in the top end of branch pipe, and the pressure sensor is fixedly installed in the top end middle part of inner support frame.

[0005] Preferably, the cooling water heat dissipation device comprises a heat dissipation box, a water distribution column, a second water outlet pipe, an output water pipe, a box cover and a return pipe, the water distribution columns are uniformly arranged, bottom ends of the water distribution columns are fixedly connected to the inside bottom end of the heat dissipation box, the second water outlet pipe is fixedly connected to one end of the heat dissipation box, one end of the output water pipe is fixedly connected to the end of the second water outlet pipe away from the heat dissipation box, the box cover is fixedly connected to the top end of the heat dissipation box, and the return pipe is fixedly connected to the input end of the heat dissipation box, and the input end of the heat dissipation box and the second water outlet pipe are diagonally arranged.

[0006] Preferably, one end of the output water pipe away from the heat dissipation box is fixedly connected to the input end of the booster water pump, and one end of the return pipe away from the heat dissipation box is fixedly connected to the first water outlet pipe.

[0007] Preferably, the water collecting cover is designed in a taper shape with the upper end being larger and the lower end being smaller, and the splash-proof cover is designed in a taper shape with the upper end being smaller and the lower end being larger.

[0008] Preferably, the controller is in wired electrical connection with the booster water pump, the electric push rod and the pressure sensor respectively.

[0009] Compared with the prior art, the cooling water heat dissipation device has the following beneficial effects:

[0010] The cooling water in the heat dissipation box is pressurized and delivered to the bottom of the mold by the booster water pump, rapid and uniform cooling is realized by the plurality of spray heads, the cooling water directly contacts the surface of the mold, effectively taking away the heat on the mold, greatly improving the heat dissipation efficiency, the controller realizes automatic starting of the booster water pump for cooling through the pressure data transmitted by the pressure sensor, realizing automation and intelligentization of the heat dissipation process, the cooling water is recycled through the designed return system, the heat dissipation box is buried underground, the cooling water is cooled by the natural heat dissipation capacity of the earth, without the need for additional cooling equipment, which is environmentally friendly and energy-saving, saves water resources and improves the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic diagram of the main body of the utility model;

[0012] Figure 2 It is a schematic diagram of the mold cooling device structure in the utility model;

[0013] Figure 3 It is a schematic diagram of the internal structure of the mold cooling device in the utility model;

[0014] Figure 4 It is a schematic diagram of the mold cooling device structure in the utility model;

[0015] Figure 5The cooling water heat dissipation device structure schematic view in the utility model.

[0016] In the figure: 1-mold cooling device, 2-cooling water heat dissipation device, 3-supporting fixed frame, 4-water tank, 5-water collecting cover, 6-splash guard, 7-first water outlet pipe, 8-conveying pipe, 9-boosting water pump, 10-electric push rod, 11-controller, 12-mold, 13-inner supporting frame, 14-fixed support, 15-water distribution pipe, 16-branch pipe, 17-sprinkler, 18-pressure sensor, 19-heat dissipation tank, 20-water distribution column, 21-second water outlet pipe, 22-output water pipe, 23-tank cover, 24-backflow pipe. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figures 1-5 An embodiment provided by the utility model: a kind of injection mold cooling device, including mold cooling device 1 and cooling water heat dissipation device 2, cooling water heat dissipation device 2 is arranged on mold cooling device 1, mold cooling device 1 includes supporting fixed frame 3, water tank 4, water collecting cover 5, splash guard 6, first water outlet pipe 7, conveying pipe 8, boosting water pump 9, electric push rod 10, controller 11, mold 12, inner supporting frame 13, fixed support 14, water distribution pipe 15, branch pipe 16, sprinkler 17 and pressure sensor 18, water tank 4 is fixedly connected in the bottom end inner side of supporting fixed frame 3, the bottom end of water collecting cover 5 is fixedly connected in the top end of supporting fixed frame 3, the bottom end of splash guard 6 is fixedly connected in the top end of water collecting cover 5, first water outlet pipe 7 is fixedly connected in one side of water tank 4, boosting water pump 9 is fixedly installed on supporting fixed frame 3, conveying pipe 8 is fixedly connected in one end of water collecting cover 5 close to boosting water pump 9, and the output end of boosting water pump 9 is fixedly connected in the end of conveying pipe 8 away from water collecting cover 5, electric push rod 10 is fixedly connected in the top end of supporting fixed frame 3, controller 11 is fixedly installed in the top end middle part of supporting fixed frame 3, and the top end of two electric push rods 10 is respectively fixedly connected in the top end of both sides of mold 12, the bottom end of inner supporting frame 13 is fixedly connected in the internal bottom end of water tank 4, fixed support 14 is fixedly connected in the middle part of inner supporting frame 13, the middle part of water distribution pipe 15 is fixedly connected in the end of conveying pipe 8 away from boosting water pump 9, branch pipe 16 is evenly fixedly connected on water distribution pipe 15, and branch pipe 16 is fixedly installed in the top end of fixed support 14, sprinkler 17 is evenly fixedly connected in the top end of branch pipe 16, and pressure sensor 18 is fixedly installed in the top end middle part of inner supporting frame 13.

[0019] The cooling water heat dissipation device 2 comprises a heat dissipation box 19, water distribution columns 20, a second water outlet pipe 21, an output water pipe 22, a box cover 23 and a return pipe 24. The water distribution columns 20 are uniformly arranged, and the bottom ends of the water distribution columns 20 are fixedly connected to the inner bottom end of the heat dissipation box 19. The second water outlet pipe 21 is fixedly connected to one end of the heat dissipation box 19. One end of the output water pipe 22 is fixedly connected to the end of the second water outlet pipe 21 away from the heat dissipation box 19. The box cover 23 is fixedly connected to the top end of the heat dissipation box 19. The return pipe 24 is fixedly connected to the input end of the heat dissipation box 19. The input end of the heat dissipation box 19 and the second water outlet pipe 21 are diagonally arranged to prolong the heat dissipation time of the return cooling water.

[0020] The end of the output water pipe 22 away from the heat dissipation box 19 is fixedly connected to the input end of the booster water pump 9. The end of the return pipe 24 away from the heat dissipation box 19 is fixedly connected to the first water outlet pipe 7. The booster water pump 9 draws the cooling water in the heat dissipation box 19 through the output water pipe 22 to the delivery pipe 8 to be sprayed through the spray head 17 to dissipate heat. The cooling water absorbing heat is returned to the heat dissipation box 19 through the return pipe 24. The heat dissipation box 19 is buried in the ground to transfer the heat of the return cooling water to the ground to dissipate heat for the cooling water.

[0021] The water collecting cover 5 is designed in a large-top-small-bottom conical shape. The splash cover 6 is designed in a small-top-large-bottom conical shape. The connection space between the water collecting cover 5 and the splash cover 6 is large to facilitate water evaporation and heat absorption.

[0022] The controller 11 is wirelessly electrically connected with the booster water pump 9, the electric push rod 10 and the pressure sensor 18 to facilitate automatic start of the heat dissipation function and reduce energy consumption.

[0023] Working principle: during use, first, the heat sink 19 is connected to the output water pipe 22 and the return pipe 24 by external force and then buried in the ground, then the computer sends the weight of two-thirds of the mold 12 as the control instruction of the pressure threshold to the controller 11, then the melted plastic is introduced into the mold 12, then the controller 11 controls the electric push rod 10 to extend, the top end of the electric push rod 10 drives the mold 12 to move downward, and the bottom end of the mold 12 is close to the top end of the inner support frame 13, at this time, the pressure sensor 18 is extruded by the mold 12, and the pressure sensor 18 transmits the pressure data to the controller 11, when the pressure data received by the controller 11 exceeds the threshold, the controller 11 controls the booster water pump 9 to start, the booster water pump 9 pumps out the cooling water in the heat sink 19 through the output water pipe 22 and sends it to the delivery pipe 8, then the cooling water is distributed to each branch pipe 16 through the water distribution pipe 15, and the cooling water is sprayed upward to the bottom end of the mold 12 through the spray head 17, when the cooling water contacts the mold 12, the heat on the surface of the mold 12 is splashed around, and the splashed cooling water is blocked by the splash-proof cover 6 and falls downward to the inclined surface of the water collecting cover 5 and the inside of the water tank 4, the cooling water on the water collecting cover 5 flows downward to the water tank 4, when the cooling water in the heat sink 19 is pumped out by the booster water pump 9, the cooling water carrying heat in the water tank 4 is pumped into the heat sink 19 through the return pipe 24 under the action of pressure, the cooling water in the heat sink 19 is fully mixed with the previous cooling water in the heat sink 19 through the diffusion of the water distribution column 20, since the heat sink 19 is buried in the ground, the cooling water in the heat sink 19 transfers heat to the heat sink 19, and the heat sink 19 transfers heat to the ground, so that the heat dissipation of the return cooling water is realized, and the cooling water after heat dissipation is pumped to the delivery pipe 8 by the booster water pump 9 to continue to apply heat dissipation cooling to the mold 12, when the injection molding is completed, the electric push rod 10 is controlled to retract by the controller 11, the top end of the electric push rod 10 drives the mold 12 to move upward, when the bottom end of the mold 12 is away from the pressure sensor 18, the controller 11 receives the pressure data transmitted by the pressure sensor 18 in real time and lower than the threshold, and the controller 11 controls the booster water pump 9 to be closed, so that the automatic heat dissipation function is realized.

[0024] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An injection mold cooling device comprising a mold cooling device (1) and a cooling water heat sink device (2), characterized in that: The cooling water heat dissipation device (2) is provided on the mold cooling device (1), the mold cooling device (1) includes support fixed frame (3), water tank (4), water collecting cover (5), splash cover (6), first water outlet pipe (7), conveying pipe (8), booster water pump (9), electric push rod (10), controller (11), mold (12), inner support frame (13), fixed support (14), water distribution pipe (15), branch pipe (16), spray head (17) and pressure sensor (18), the water tank (4) is fixedly connected to the bottom end of the inner side of the support fixed frame (3), the bottom end of the water collecting cover (5) is fixedly connected to the top end of the support fixed frame (3), the bottom end of the splash cover (6) is fixedly connected to the top end of the water collecting cover (5), the first water outlet pipe (7) is fixedly connected to one side of the water tank (4), the booster water pump (9) is fixedly installed on the support fixed frame (3), the conveying pipe (8) is fixedly connected to one end of the water collecting cover (5) close to the booster water pump (9), and the other end of the conveying pipe (8) is fixedly connected to the output end of the booster water pump (9), the electric push rod (10) is symmetrically fixedly connected to the top end of the support fixed frame (3), the controller (11) is fixedly installed on the top end of the support fixed frame (3), and the top ends of the two electric push rods (10) are respectively fixedly connected to the top ends of the two sides of the mold (12), the bottom end of the inner support frame (13) is fixedly connected to the inner bottom end of the water tank (4), the fixed support (14) is fixedly connected to the middle part of the inner support frame (13), the middle part of the water distribution pipe (15) is fixedly connected to one end of the conveying pipe (8) away from the booster water pump (9), the branch pipes (16) are uniformly fixedly connected to the water distribution pipe (15), and the branch pipes (16) are fixedly installed on the top end of the fixed support (14), the spray heads (17) are uniformly fixedly connected to the top ends of the branch pipes (16), and the pressure sensor (18) is fixedly installed on the middle part of the top end of the inner support frame (13).

2. An injection mold cooling device according to claim 1, characterized in that: The cooling water heat dissipation device (2) includes a heat dissipation tank (19), a water distribution column (20), a second water outlet pipe (21), an output water pipe (22), a tank cover (23) and a return pipe (24), the water distribution columns (20) are uniformly arranged, the bottom ends of the water distribution columns (20) are fixedly connected to the inner bottom ends of the heat dissipation tank (19), the second water outlet pipe (21) is fixedly connected to one end of the heat dissipation tank (19), one end of the output water pipe (22) is fixedly connected to one end of the second water outlet pipe (21) away from the heat dissipation tank (19), the tank cover (23) is fixedly connected to the top end of the heat dissipation tank (19), the return pipe (24) is fixedly connected to the input end of the heat dissipation tank (19), and the input end of the heat dissipation tank (19) and the second water outlet pipe (21) are diagonally arranged.

3. An injection mold cooling apparatus as defined in claim 2, wherein: The output water pipe (22) is fixedly connected to the input end of the booster water pump (9) at one end away from the heat dissipation box (19), and the return pipe (24) is fixedly connected to the first water outlet pipe (7) at one end away from the heat dissipation box (19).

4. An injection mold cooling apparatus as defined in claim 3, wherein: The water collecting cover (5) is designed in a taper shape with the upper part being larger and the lower part being smaller, and the splash-proof cover (6) is designed in a taper shape with the upper part being smaller and the lower part being larger.

5. An injection mold cooling apparatus as defined in claim 4, wherein: The controller (11) is wiredly and electrically connected with the booster water pump (9), the electric push rod (10) and the pressure sensor (18) respectively.

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