Quick-cooling injection molding device for molded part production

By setting up a heat dissipation mechanism in the injection molding device, using cooling water circulation and air-cooled heat dissipation technology, the problem of the inability to dissipate secondary heat and dust cleaning after mold opening is solved, the rapid cooling and dust removal of molded parts are achieved, and the production is improved Efficiency and quality.

CN222309731UActive Publication Date: 2025-01-07CHENGDU ZHENHONG PRECISION MOLDING CO LTD
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Patent Information

Application Number
CN202420120010.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-18
Publication Date
2025-01-07
Estimated Expiration
2034-01-18

AI Technical Summary

Technical Problem

The existing injection molding device for the production of molded parts that rapidly cool down cannot perform secondary heat dissipation on the surface of the mold after the mold is opened, and it is not convenient to blow off the falling dust.

Method used

An injection molding device including a heat dissipation mechanism is designed. The device uses cooling water to circulate and remove heat when molding molds, and air-cooled heat dissipation through the fan blades driven by the motor to ensure secondary heat dissipation and dust cleaning on the surface of the molded part. .

Benefits of technology

It realizes rapid cooling and dust cleaning of the surface of the molded part after the mold is opened, and improves the production efficiency and quality of the molded part.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cooling of injection molds, and discloses a quick-cooling injection molding device for producing molded parts, which comprises a movable mold, a movable column is arranged at the bottom of the movable mold, a fixed mold is arranged at the bottom of the movable column, and a heat dissipation mechanism is fixedly mounted on the left side of the fixed mold. According to the quick-cooling injection molding device for molded part production, by arranging the heat dissipation mechanism, after mold closing injection molding is conducted on a mold, a water pump and a refrigeration water tank start to work, cooling water in the mold circularly flows, and meanwhile a motor rotates to drive a first fan blade to rotate to conduct air cooling heat dissipation on the exterior of the refrigeration water tank; and after the mold is opened, the motor drives the first bevel gear to rotate, the first bevel gear is meshed with the second bevel gear to drive the second fan blade to rotate, the second fan blade rotates to conduct secondary heat dissipation on the molded part, dust and chippings falling on the molded part can be blown away, and the quality of the molded part is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of cooling injection molds, in particular to an injection molding device for producing molded parts with rapid cooling. Background Art

[0002] The injection molding device refers to a tool that makes the blank into a product with a specific shape and size under the action of external force. The injection molding device has a specific contour or inner cavity shape. The application of the contour shape with a cutting edge can make the blank separate according to the contour shape, and the application of the inner cavity shape can make the blank obtain a corresponding three-dimensional shape. The injection molding device generally includes two parts, a movable mold and a fixed mold. The two parts can be separated or combined. When separated, the product is taken out, and when combined, the blank is injected into the cavity for forming.

[0003] At present, the injection molding devices for the production of molded parts with rapid cooling on the market mainly use the method of connecting circulating water flow with a reservoir to cool the mold. Although the coolant can be used to flow in the mold to take away the heat, the surface of the molded part cannot be cooled for the second time after the mold is opened, and it is not convenient to blow away the dust falling on the top of the molded part after the mold is opened. Therefore, a rapid cooling injection molding device for the production of molded parts is proposed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides an injection molding device for molding production, which can perform secondary heat dissipation on the surface of the molded part after the mold is opened, so as to blow away dust dropped from the top of the molded part after the mold is opened.

[0006] (II) Technical solution

[0007] According to the technical solution provided in the embodiment of the present application: an injection molding device for the production of molded parts with rapid cooling, comprising a movable mold, a movable column is arranged at the bottom of the movable mold, a fixed mold is arranged at the bottom of the movable column, a heat dissipation mechanism is fixedly installed on the left side of the fixed mold, and the heat dissipation mechanism comprises a heat dissipation box, a refrigeration water tank, a cooling pipe 1, a cooling pipe 2, a motor, a transmission rod, a bevel gear 1, a bevel gear 2, a rotating rod, a fan blade 1, a fan blade 2, a fixed rod, a bellows and a water pump, a heat dissipation box is fixedly installed on the left side of the fixed mold, a refrigeration water tank is arranged inside the heat dissipation box, and a cooling water tank is fixed inside the heat dissipation box. A cooling pipe 1 is arranged, a cooling pipe 2 is arranged inside the heat sink, a motor is arranged on the inner top wall of the heat sink, a transmission rod is fixedly installed on the output end of the motor, a bevel gear 1 is fixedly installed on the outside of the transmission rod, a bevel gear 2 is meshed on the outside of the bevel gear 1, a rotating rod is fixedly installed on the outside of the bevel gear 2, a fan blade 1 is fixedly installed on the outside of the rotating rod, a fan blade 2 is fixedly installed on the outside of the transmission rod, a fixing rod is fixedly installed on the outside of the heat sink, a bellows is fixedly installed on the right side of the fixing rod, and a water pump is fixedly installed on the inner bottom wall of the heat sink.

[0008] Furthermore, cooling pipes are provided inside the movable mold and the fixed mold, and the top of the cooling pipe 1 is connected to the movable mold cooling pipe. The cooling pipes can allow cooling water to flow inside the movable mold and the fixed mold, taking away the temperature in the mold to achieve a cooling effect.

[0009] Furthermore, the water inlet end of the refrigeration water tank is connected to the bottom of the cooling pipe 1, and the water outlet end of the refrigeration water tank is connected to the left end of the cooling pipe 2. The refrigeration water tank can quickly cool the hot water flowing out of the mold.

[0010] Furthermore, a bearing is provided on the outside of the rotating rod, the inner ring of the bearing is fixedly connected to the outside of the rotating rod, and the outer ring of the bearing is fixedly connected to the heat sink, and the bearing enables the rotating rod to rotate inside the heat sink.

[0011] Furthermore, the movable mold and the fixed mold are provided with connecting pipes outside. The top of the hose is connected to the movable mold cooling pipeline, and the bottom of the hose is connected to the fixed mold cooling pipeline, so that the cooling pipeline inside the movable mold is connected to the cooling pipeline inside the movable and fixed molds, achieving the effect of water circulation.

[0012] Furthermore, the water inlet of the water pump is connected to the bottom of the cooling pipe 2, and a water transport pipe is provided at the water outlet of the water pump, and the water transport pipe is connected to the cooling pipe of the fixed mold. The water pump can circulate the water in the cooling pipe to take away the heat in the mold.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides an injection molding device for producing molded parts with rapid cooling, which has the following beneficial effects:

[0015] The injection molding device for producing molded parts with rapid cooling is provided with a heat dissipation mechanism. When the mold is closed for injection molding, a water pump and a refrigeration water tank start to work, and cooling water inside the mold circulates. At the same time, a motor rotates, driving a fan blade 1 to rotate to perform air cooling and heat dissipation on the outside of the refrigeration water tank, thereby preventing the heat dissipation box from overheating and increasing the water temperature in a cooling pipe 2. When the mold is opened, the motor drives a bevel gear 1 to rotate, and the bevel gear 1 meshes with a bevel gear 2 to drive a fan blade 2 to rotate. The rotation of the fan blade 2 performs secondary heat dissipation on the molded part, and can blow away dust and debris dropped on the molded part, thereby ensuring the quality of the molded part. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the structure of the utility model;

[0018] Figure 3 It is an enlarged view of point A in structure 2 of the present utility model.

[0019] In the figure: 1, movable mold; 2, movable column; 3, fixed mold; 4, heat dissipation mechanism; 401, heat dissipation box; 402, cooling water tank; 403, cooling pipe 1; 404, cooling pipe 2; 405, motor; 406, transmission rod; 407, bevel gear 1; 408, bevel gear 2; 409, rotating rod; 4010, fan blade 1; 4011, fan blade 2; 4012, fixed rod; 4013, bellows; 4014, water pump. DETAILED DESCRIPTION

[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0021] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0022] A rapid cooling injection molding device for producing molded parts, such as Figure 2As shown, it includes a movable mold 1, a movable column 2 is arranged at the bottom of the movable mold 1, and the number of the movable columns 2 is four. A fixed mold 3 is arranged at the bottom of the four movable columns 2, and four movable holes adapted to the four movable columns 2 are opened on the outside of the fixed mold 3. A heat dissipation mechanism 4 is fixedly installed on the left side of the fixed mold 3, and the heat dissipation mechanism 4 includes a heat dissipation box 401, a refrigeration water tank 402, a cooling pipe 1 403, a cooling pipe 2 404, a motor 405, a transmission rod 406, a bevel gear 1 407, a bevel gear 2 408, a rotating rod 409, a fan blade 1 4010, a fan blade 2 4011, a fixed rod 4012, a bellows 4013 and a water pump 4014, a heat dissipation box 401 is fixedly installed on the left side of the fixed mold 3, a refrigeration water tank 402 is arranged inside the heat dissipation box 401, a cooling pipe 1 403 is fixedly arranged inside the heat dissipation box 401, and the inside of the heat dissipation box 401 A cooling pipe 404 is provided, and the materials of cooling pipe 1 403 and cooling pipe 2 404 are plastic pipes, which are beneficial to not hindering the water circulation in the pipe when the mold is opened and closed. A motor 405 is provided on the inner top wall of the heat dissipation box 401, and a transmission rod 406 is fixedly installed on the output end of the motor 405, and a bevel gear 1 407 is fixedly installed on the outside of the transmission rod 406, and a bevel gear 2 408 is meshed on the outside of the bevel gear 1 407, and a rotating rod 409 is fixedly installed on the outside of the bevel gear 2 408, and a fan blade 1 4010 is fixedly installed on the outside of the rotating rod 409, and a fan blade 2 4011 is fixedly installed on the outside of the transmission rod 406, a fixed rod 4012 is fixedly installed on the outside of the heat dissipation box 401, and a bellows 4013 is fixedly installed on the right side of the fixed rod 4012, and a water pump 4014 is fixedly installed on the inner bottom wall of the heat dissipation box 401.

[0023] When implementing, follow these steps:

[0024] 1) First, after the movable mold 1 and the fixed mold 3 are closed for injection molding, the water pump 4014 and the cooling water tank 402 are started, so that cooling water enters the cooling pipes in the movable mold 1 and the fixed mold 3 and circulates, taking away part of the heat in the mold for heat dissipation;

[0025] 2) Then the motor 405 is operated, and the motor 405 drives the transmission rod 406 to rotate the fan blade 1 4010, and the fan blade 1 4010 performs air cooling and heat dissipation on the cooling water tank 402 to prevent the heat dissipation box 401 from overheating and raising the water temperature in the cooling pipe 2 404;

[0026] 3) Then the movable mold 1 and the fixed mold 3 are opened, the motor 405 drives the transmission rod 406 to rotate continuously, the bevel gear 1 407 engages with the bevel gear 2 408, and the rotating rod 409 rotates to drive the fan blade 2 4011 to rotate;

[0027] 4) Finally, the second fan blade 4011 cools the molded part after the mold is opened, and blows away the dust and debris that fall from the top of the molded part.

[0028] In summary, the injection molding device for producing molded parts with rapid cooling is provided with a heat dissipation mechanism 4. When the mold is closed for injection molding, the water pump 4014 and the refrigeration water tank 402 start working, and the cooling water circulates inside the mold. At the same time, the motor 405 rotates, driving the fan blade 1 4010 to rotate to perform air cooling and heat dissipation on the refrigeration water tank 402, so as to prevent the heat dissipation box 401 from overheating and increasing the water temperature in the cooling tube 2 404. When the mold is opened, the motor 405 drives the bevel gear 1 407 to rotate, and the bevel gear 1 407 engages with the bevel gear 2 408 to drive the fan blade 2 4011 to rotate. The rotation of the fan blade 2 4011 performs secondary heat dissipation on the molded part, blows away the dust falling on the top of the molded part, ensures the quality of the molded part, and solves the problem that the surface of the molded part cannot be cooled for secondary cooling after the mold is opened, and it is inconvenient to blow away the dust falling on the top of the molded part after the mold is opened.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid cooling injection molding device for producing molded parts, comprising a movable mold (1), characterized in that: A movable column (2) is arranged at the bottom of the movable mold (1), a fixed mold (3) is arranged at the bottom of the movable column (2), and a heat dissipation mechanism (4) is fixedly installed on the left side of the fixed mold (3); The heat dissipation mechanism (4) comprises a heat dissipation box (401), a refrigeration water tank (402), a cooling pipe 1 (403), a cooling pipe 2 (404), a motor (405), a transmission rod (406), a bevel gear 1 (407), a bevel gear 2 (408), a rotating rod (409), a fan blade 1 (4010), a fan blade 2 (4011), a fixing rod (4012), a bellows (4013) and a water pump (4014); the heat dissipation box (401) is fixedly installed on the left side of the fixed mold (3); the refrigeration water tank (402) is arranged inside the heat dissipation box (401); the cooling pipe 1 (403) is fixedly arranged inside the heat dissipation box (401); the cooling pipe 2 (404) is arranged inside the heat dissipation box (401); the inner top wall of the heat dissipation box (401) A motor (405) is provided, a transmission rod (406) is fixedly mounted on the output end of the motor (405), a bevel gear 1 (407) is fixedly mounted on the outside of the transmission rod (406), a bevel gear 2 (408) is meshed with the outside of the bevel gear 1 (407), a rotating rod (409) is fixedly mounted on the outside of the bevel gear 2 (408), a fan blade 1 (4010) is fixedly mounted on the outside of the rotating rod (409), a fan blade 2 (4011) is fixedly mounted on the outside of the transmission rod (406), a fixed rod (4012) is fixedly mounted on the outside of the heat sink (401), a wind box (4013) is fixedly mounted on the right side of the fixed rod (4012), and a water pump (4014) is fixedly mounted on the inner bottom wall of the heat sink (401).

2. The rapid cooling injection molding device for producing molded parts according to claim 1, characterized in that: The movable mold (1) and the fixed mold (3) are both provided with cooling pipes, and the top of the cooling pipe 1 (403) is connected to the cooling pipe of the movable mold (1).

3. The rapid cooling injection molding device for producing molded parts according to claim 1, characterized in that: The water inlet end of the refrigeration water tank (402) is connected to the bottom of the cooling pipe 1 (403), and the water outlet end of the refrigeration water tank (402) is connected to the left end of the cooling pipe 2 (404).

4. The rapid cooling injection molding device for producing molded parts according to claim 1, characterized in that: A bearing is disposed outside the rotating rod (409), an inner ring of the bearing is fixedly connected to the outside of the rotating rod (409), and an outer ring of the bearing is fixedly connected to the heat dissipation box (401).

5. The rapid cooling injection molding device for producing molded parts according to claim 1, characterized in that: A connecting pipe is provided on the left side of the movable mold (1), an end of the connecting pipe close to the top is connected to the cooling pipe inside the movable mold (1), and an end of the connecting pipe close to the bottom is connected to the cooling pipe inside the fixed mold (3).

6. The rapid cooling injection molding device for producing molded parts according to claim 1, characterized in that: The water inlet of the water pump (4014) is connected to the bottom of the second cooling pipe (404), and a water transport pipe is provided at the water outlet of the water pump (4014), and the water transport pipe is connected to the cooling pipeline of the fixed mold.