Precise injection mold with cooling structure

Abstract

The utility model discloses a precise injection mold with a cooling structure, relates to the technical field of injection molds, and aims to solve the problems that in the prior art, as hot water flowing out of the mold continuously enters a water tank, and cold water in the water tank is continuously pumped away and enters the mold, the water temperature in the water tank rises, the water cooling effect of the mold is reduced, and the mold is not convenient to use. The injection mold comprises a mold body and a water bucket, a water inlet and a water outlet which are communicated with a water channel are formed in the outer wall of the mold body, a first hose is installed in the water inlet, a second hose is installed in the water outlet, the tail end of the second hose extends into an opening of the water bucket, and a water suction pump is arranged outside the water bucket. The first hose is connected with the water outlet end of a water suction pump, the water suction end of the water suction pump is connected with a fifth hose, and the tail end of the fifth hose extends into the water bucket. The rotating column is driven by the positive and negative rotation motor, and then the plurality of stirring paddles are driven to stir cooling water in the water bucket.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a precision injection mold with a cooling structure. Background Art

[0002] Injection molding is a method for producing industrial products. Currently, most injection molds are cooled and dissipated by water cooling. The cooling principle is to open a water channel in the inner wall of the mold, and the outer wall of the mold is provided with an inlet pipe and an outlet pipe connected to the water channel. A water tank is provided on one side of the injection molding machine. The cold water in the water tank is pumped out by a water pump, and then the cold water is injected into the water channel on the inner wall of the mold through the inlet pipe. The mold is cooled by the cold water. After circulating in the water channel, the cold water flows out through the outlet pipe and enters the water tank.

[0003] However, in the prior art, the water cooling of the mold, as the hot water flowing out of the mold continuously enters the water tank, the cold water in the water tank is continuously pumped out into the mold, causing the water temperature in the water tank to gradually rise, which in turn affects the water cooling effect of the mold. The decline in the water cooling effect of the mold will in turn affect the production efficiency and quality of the injection molded products.

[0004] Therefore, a precision injection mold with a cooling structure is needed to solve the problem in the prior art that as the hot water flowing out of the mold continuously enters the water tank, the cold water in the water tank is continuously pumped out into the mold, causing the water temperature in the water tank to gradually rise and the water cooling effect of the mold to decrease, thereby affecting the production efficiency and quality of the injection molded products. Utility Model Content

[0005] In order to solve the above technical problems, a precision injection mold with a cooling structure is provided, which solves the problem in the prior art that hot water flowing out of the mold continuously enters the water tank, while cold water in the water tank is continuously pumped out into the mold, causing the water temperature in the water tank to gradually rise and the water cooling effect of the mold to decrease, thereby affecting the production efficiency and quality of the injection molded products.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a precision injection mold with a cooling structure, comprising a mold body and a water bucket arranged on one side of the mold body, a water channel is arranged in the mold body, a water inlet and a water outlet connected to the water channel are arranged on the outer wall of the mold body, a first hose is installed in the water inlet, a second hose is installed in the water outlet, the end of the second hose extends into the open mouth of the water bucket, a water pump is arranged outside the water bucket, the first hose is connected to the water outlet end of the water pump, the water pumping end of the water pump is connected to a fifth hose, the end of the fifth hose extends into the water bucket, and the characteristic is that: a stirring mechanism is arranged in the water bucket;

[0007] The stirring mechanism comprises a rotating column vertically arranged in the water bucket and a plurality of stirring paddles fixedly sleeved on the rod body of the rotating column. A power component for driving the rotating column to rotate is arranged above the water bucket, and a heat dissipation component is also arranged on the periphery of the water bucket.

[0008] Preferably, the power component includes a forward and reversing motor arranged above the water bucket and an isolation basin arranged outside the forward and reversing motor, a plurality of support columns are fixed between the isolation basin and the open end of the water bucket, a support plate is fixed to the open top surface of the isolation basin, the bottom surface of the support plate is fixed to the forward and reversing motor, the top end of the rotating column penetrates into the isolation basin, and the output shaft of the forward and reversing motor is fixedly connected to the rotating column.

[0009] Preferably, a screen is provided between the stirring paddle and the end of the second hose, the screen is funnel-shaped and rotatably mounted on the rotating column, the outer periphery of the screen is fixed to the inner wall of the bucket, and a plurality of screen holes are provided on the top surface of the screen.

[0010] Preferably, a third hose fixedly connected to the end of the second hose is provided above the screen, the outer periphery of the third hose is fixedly connected to the inner wall of the bucket, and a plurality of water outlet holes are opened around the inner periphery of the third hose.

[0011] Preferably, a fourth hose is provided below the screen and is closely connected to the inner wall of the bucket, and the top end of the fourth hose passes through the screen and is connected to the fifth hose.

[0012] Preferably, the heat dissipation component includes two heat dissipation blocks symmetrically fixed to the outer periphery of the screen, the ends of the heat dissipation blocks pass through the water bucket, and fan blades are arranged above the heat dissipation blocks, a connecting rod is fixed above the fan blades, and the other end of the connecting rod rotates to pass into the isolation basin and is connected to a driving assembly.

[0013] Preferably, the driving assembly includes a large gear fixedly mounted on the output shaft of the forward and reverse motor and two small gears symmetrically meshed with the outer teeth of the large gear. The bottom surface of the large gear is rotatably connected to the bottom surface of the inner wall of the isolation basin, and the end of the connecting rod is rotatably inserted into the isolation basin and fixed to the center of the bottom surface of the small gear.

[0014] Compared with the prior art, the advantages of the utility model are:

[0015] (1) Through the arrangement of the power component, the rotating column and the stirring paddle, the output shaft of the forward and reverse motor drives the rotating column to perform intermittent forward and reverse motions, and the rotation of the rotating column drives a plurality of stirring paddles to rotate synchronously, thereby continuously stirring the cooling water in the bucket. Through stirring, the hot water discharged from the second hose and the original cooling water are mixed, and the heat in the water is dissipated faster. In this way, the problem existing in the prior art that the hot water flowing out of the mold continuously enters the water tank, while the cold water in the water tank is continuously pumped out into the mold, causing the water temperature in the water tank to gradually rise and the water cooling effect of the mold to decrease, thereby affecting the production efficiency and quality of the injection molded product can be solved.

[0016] (2) By setting the screen, the hot water discharged from the end of the second hose falls under the screen after passing through the screen holes on the screen. Then, when the impeller stirs the cooling water, the screen partition can prevent water from splashing out of the bucket and causing a waste of water resources.

[0017] (3) Through the setting of the third hose, the hot water in the mold continuously enters the third hose through the end of the second hose, and is evenly discharged to the top surface of the screen in the bucket through the water outlet of the third hose. In this process, the third hose is used to evenly spray the hot water on the screen, thereby increasing the heat dissipation area of ​​the hot water.

[0018] (4) By setting the fourth hose and the fifth hose, after starting the water pump, the cooling water enters the fourth hose under the influence of the suction force of the water outlet end of the water pump, and then enters the water pumping end of the water pump through the fifth hose. In addition, the fitting connection between the fourth hose and the inner wall of the water bucket can prevent the fourth hose and the stirring paddle from being entangled when the stirring paddle stirs the cooling water.

[0019] (5) Through the setting of the heat dissipation component, the heat dissipation block is used to conduct the heat on the screen. At the same time, the connecting rod and the fan blades are driven to rotate by the driving component. The rotation of the fan blades causes air flow to blow on the heat dissipation block, and the heat dissipation block is cooled by air. Then, the screen is cooled by cooling the heat dissipation block, and finally the heat dissipation and cooling of the hot water is achieved.

[0020] (6) Through the setting of the driving component, when the forward and reverse motors rotate, the output shaft is used to drive the large gear to rotate synchronously, and the rotation of the large gear drives the two small gears to rotate, and then drives the connecting rod and the fan blades to rotate together. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a sectional view of the three-dimensional structure of the utility model;

[0023] Figure 3The utility model is a schematic diagram of the structure of the stirring mechanism in the water bucket.

[0024] The numbers in the figure are:

[0025] 1. Mold body; 2. Bucket; 3. First hose; 4. Second hose; 5. Isolation basin; 6. Third hose; 71. Fourth hose; 72. Fifth hose; 8. Support plate; 9. Support column; 10. Heat sink; 11. Fan blade; 12. Water pump; 13. Small gear; 14. Large gear; 15. Connecting rod; 16. Rotating column; 17. Agitator paddle; 18. Screen; 19. Forward and reverse motor. DETAILED DESCRIPTION

[0026] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0027] Reference Figure 1 , Figure 2 and Figure 3 As shown, a precision injection mold with a cooling structure comprises a mold body 1 and a water bucket 2 arranged on one side of the mold body 1, a water channel is arranged in the mold body 1, a water inlet and a water outlet connected to the water channel are arranged on the outer wall of the mold body 1, a first hose 3 is installed in the water inlet, a second hose 4 is installed in the water outlet, the end of the second hose 4 extends into the open end of the water bucket 2, a water pump 12 is arranged outside the water bucket 2, the first hose 3 is connected to the water outlet end of the water pump 12, the water pumping end of the water pump 12 is connected to a fifth hose 72, and the end of the fifth hose 72 extends into the water bucket 2;

[0028] When the injection mold is in production, the cold water in the water bucket 2 is extracted by the fifth hose 72 on the water pumping end of the water pump 12, and pushed to the water inlet of the mold body 1 through the first hose 3 at the water outlet end of the water pump 12. Then the cold water enters the waterway in the mold body 1 through the water inlet, and the water flows out from the water outlet of the mold body 1 through the waterway. In this process, the mold body 1 is cooled by the cold water. The water temperature of the cold water rises and becomes hot water due to cooling the mold body 1. Then the hot water is discharged into the water bucket 2 through the second hose 4. The hot water is cooled by the cold water in the water bucket 2, and the water resources are reused.

[0029] In addition, the water pump 12 is an existing USB self-priming water pump. This solution does not describe its specific structure and operating principle in detail. For details, please refer to the existing equipment.

[0030] However, in reality, after the mold body 1 has been in production for a long time, as the cold water in the bucket 2 is continuously extracted and the hot water is continuously discharged from the end of the second hose 4 into the bucket 2, the water temperature in the bucket 2 gradually rises and the water cooling effect of the mold decreases, thereby affecting the production efficiency and quality of the injection molded products produced by the mold body 1.

[0031] To solve the above problems, refer to Figures 1 to 3 It is worth noting that a stirring mechanism is provided in the water bucket 2;

[0032] The stirring mechanism includes a rotating column 16 vertically arranged in the water bucket 2 and a plurality of stirring paddles 17 fixedly sleeved on the rod of the rotating column 16. A power component is arranged above the water bucket 2.

[0033] The power component includes a forward and reverse motor 19 disposed above the water bucket 2 and an isolation basin 5 disposed outside the forward and reverse motor 19. A plurality of support columns 9 are fixed between the isolation basin 5 and the open end of the water bucket 2. A support plate 8 is fixed to the open top surface of the isolation basin 5. The bottom surface of the support plate 8 is fixed to the forward and reverse motor 19. The output shaft of the forward and reverse motor 19 is fixedly connected to the rotating column 16.

[0034] By setting the power component, the rotating column 16 and the stirring paddle 17, the forward and reverse motor 19 is started, and the rotating column 16 is driven by the output shaft of the forward and reverse motor 19 to perform intermittent forward and reverse movements. The isolation basin 5 can be used to isolate the water vapor rising from the water bucket 2 to prevent the water vapor from corroding the forward and reverse motor 19. The rotation of the rotating column 16 drives several stirring paddles 17 to rotate synchronously, and the intermittent forward and reverse rotation of the stirring paddle 17 is used to continuously stir the cooling water in the water bucket 2. Through stirring, the hot water discharged from the second hose 4 and the original cooling water are mixed while dissipating the heat in the water faster. In this way, the problem that the hot water flowing out of the mold continuously enters the water tank, while the cold water in the water tank is continuously pumped into the mold in the prior art can be solved, resulting in the water temperature in the water tank gradually rising and the water cooling effect of the mold decreasing, thereby affecting the production efficiency and quality of the injection molded products.

[0035] Further, refer to Figures 1 to 3 As shown, it is worth noting that a screen 18 is provided between the stirring paddle 17 and the end of the second hose 4. The screen 18 is funnel-shaped and is rotatably sleeved on the rod of the rotating column 16. The outer periphery of the screen 18 is fixed to the inner wall of the bucket 2, and a plurality of screen holes are also provided on the top surface of the screen 18.

[0036] By setting the screen 18, the hot water discharged from the end of the second hose 4 falls under the screen 18 after passing through the sieve holes on the screen 18. Then, when the stirring paddle 17 stirs the cooling water, the partition of the screen 18 can prevent water from splashing outside the water bucket 2 and causing a waste of water resources.

[0037] Further, refer to Figures 1 to 3 As shown, it is worth noting that a third hose 6 fixedly connected to the end of the second hose 4 is provided above the screen 18, the outer periphery of the third hose 6 is fixedly connected to the inner wall of the bucket 2, and a plurality of water outlet holes are provided around the inner periphery of the third hose 6;

[0038] By setting the third hose 6, the hot water in the mold continuously enters the third hose 6 through the end of the second hose 4, and is evenly discharged to the top surface of the screen 18 in the bucket 2 through the water outlet of the third hose 6. In this process, the third hose 6 is used to evenly spray the hot water on the screen 18, thereby increasing the heat dissipation area of ​​the hot water.

[0039] Further, refer to Figures 1 to 3 As shown, it is worth noting that a fourth hose 71 is provided below the screen 18 and is closely connected to the inner wall of the bucket 2. The top end of the fourth hose 71 passes through the screen 18 and is connected to the fifth hose 72.

[0040] By configuring the fourth hose 71 and the fifth hose 72, after starting the water pump 12, the cooling water enters the fourth hose 71 under the influence of the suction force of the water outlet end of the water pump 12, and then enters the water pumping end of the water pump 12 through the fifth hose 72. In addition, the fitting connection between the fourth hose 71 and the inner wall of the water bucket 2 can prevent the fourth hose 71 and the stirring paddle 17 from being entangled when the stirring paddle 17 stirs the cooling water.

[0041] However, after using it for a period of time, it was found that although the setting of the screen 18 can prevent the splashing of water caused by the stirring paddle 17, because the screen 18 is set above the stirring paddle 17, the heat emitted by the hot water when the stirring paddle 17 is stirring will be blocked by the screen 18, causing the heat of the hot water to gather under the screen 18, and the heat is gradually absorbed by the screen 18 and the water bucket 2. At the same time, the hot water is also continuously discharged on the screen 18, which will also increase the temperature of the screen 18, thereby affecting the heat dissipation effect of the hot water.

[0042] In view of this reference Figures 1 to 3 As shown, it is worth noting that a heat dissipation component is also provided on the outer periphery of the water bucket 2;

[0043] The heat dissipation component includes two heat dissipation blocks 10 symmetrically fixed to the periphery of the screen 18, the ends of the heat dissipation blocks 10 pass through the water bucket 2, and fan blades 11 are arranged above the heat dissipation blocks 10, and a connecting rod 15 is fixed above the fan blades 11, and the other end of the connecting rod 15 rotates and penetrates into the isolation basin 5 and is connected to a driving component;

[0044] By setting the heat dissipation components, the heat dissipation block 10 is used to conduct the heat on the screen 18. At the same time, the connecting rod 15 and the fan blades 11 are driven to rotate by the driving assembly. The rotation of the fan blades 11 causes air flow to blow on the heat dissipation block 10, and the heat dissipation block 10 is cooled by air. Then, the screen 18 is cooled by cooling the heat dissipation block 10, and finally the heat dissipation and cooling of the hot water is achieved.

[0045] Further, refer to Figures 1 to 3 As shown, it is worth noting that the driving assembly includes a large gear 14 fixedly sleeved on the output shaft of the forward and reverse motor 19 and two small gears 13 symmetrically meshed with the outer teeth of the large gear 14. The bottom surface of the large gear 14 is rotatably connected to the bottom surface of the inner wall of the isolation basin 5, and the end of the connecting rod 15 is rotatably inserted into the isolation basin 5 and fixed to the center of the bottom surface of the small gear 13;

[0046] By setting the driving assembly, when the forward and reverse motor 19 rotates, the output shaft drives the large gear 14 to rotate synchronously, and the rotation of the large gear 14 drives the two small gears 13 to rotate, and then drives the connecting rod 15 and the fan blades 11 to rotate together.

[0047] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A precision injection mold with a cooling structure, comprising a mold body (1) and a water bucket (2) arranged on one side of the mold body (1), wherein a water channel is arranged in the mold body (1), and a water inlet and a water outlet connected to the water channel are arranged on the outer wall of the mold body (1), a first hose (3) is installed in the water inlet, a second hose (4) is installed in the water outlet, and the end of the second hose (4) extends into the open end of the water bucket (2), a water pump (12) is arranged outside the water bucket (2), the first hose (3) is connected to the water outlet end of the water pump (12), the water pump (12) is connected to the water pumping end of the water pump (12), and the end of the fifth hose (72) extends into the water bucket (2), characterized in that: The water bucket (2) is provided with a stirring mechanism; The stirring mechanism comprises a rotating column (16) vertically arranged in the water bucket (2) and a plurality of stirring paddles (17) fixedly sleeved on the rod of the rotating column (16); a power component for driving the rotating column (16) to rotate is provided above the water bucket (2); and a heat dissipation component is also provided on the outer periphery of the water bucket (2).

2. A precision injection mold with a cooling structure according to claim 1, characterized in that: The power component comprises a forward and reverse motor (19) arranged above the water bucket (2) and an isolation basin (5) arranged outside the forward and reverse motor (19); a plurality of support columns (9) are fixed between the isolation basin (5) and the open end of the water bucket (2); a support plate (8) is fixed to the open top surface of the isolation basin (5); the bottom surface of the support plate (8) is fixed to the forward and reverse motor (19); the top end of the rotating column (16) penetrates into the isolation basin (5); and the output shaft of the forward and reverse motor (19) is fixedly connected to the rotating column (16).

3. A precision injection mold with a cooling structure according to claim 2, characterized in that: A screen (18) is provided between the stirring paddle (17) and the end of the second hose (4); the screen (18) is funnel-shaped and is rotatably mounted on the rod of the rotating column (16); the outer periphery of the screen (18) is fixed to the inner wall of the water bucket (2); and a plurality of screen holes are provided on the top surface of the screen (18).

4. The precision injection mold with a cooling structure according to claim 3, characterized in that: A third hose (6) is arranged above the screen (18) and is fixedly connected to the end of the second hose (4); the outer periphery of the third hose (6) is fixedly connected to the inner wall of the bucket (2); and a plurality of water outlet holes are arranged around the inner periphery of the third hose (6).

5. The precision injection mold with a cooling structure according to claim 3, characterized in that: A fourth hose (71) is provided below the screen (18) and is closely connected to the inner wall of the bucket (2). The top end of the fourth hose (71) passes through the screen (18) and is connected to the fifth hose (72).

6. The precision injection mold with a cooling structure according to claim 5, characterized in that: The heat dissipation component comprises two heat dissipation blocks (10) symmetrically fixed to the outer periphery of the screen (18), the ends of the heat dissipation blocks (10) pass through the water bucket (2), fan blades (11) are arranged above the heat dissipation blocks (10), a connecting rod (15) is fixed above the fan blades (11), and the other end of the connecting rod (15) rotates and passes into the isolation basin (5) and is connected to a driving component.

7. The precision injection mold with a cooling structure according to claim 6, characterized in that: The driving assembly comprises a large gear (14) fixedly mounted on the output shaft of the forward and reverse motor (19) and two small gears (13) symmetrically meshed with the outer teeth of the large gear (14); the bottom surface of the large gear (14) is rotatably connected to the bottom surface of the inner wall of the isolation basin (5); the end of the connecting rod (15) is rotatably inserted into the isolation basin (5) and fixed to the center of the bottom surface of the small gear (13).

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