Cooling demolding device for injection molding of automobile parts

Abstract

The utility model discloses a cooling demolding device for injection molding of auto spare parts, which relates to the technical field of auto spare part processing and comprises a box body, a plurality of positioning columns are mounted on the upper side of the box body, a same box cover is mounted on the surfaces of the positioning columns in a sliding manner, and an upper mold is mounted on the lower side of the box cover. An installation groove is formed in the upper surface of the box body, a lower mold is installed in the installation groove, the upper mold is matched with the lower mold, a first containing groove is formed in one side of the upper mold, an upper cooling plate is installed in the first containing groove, a first water injection hole is formed in the upper side of the upper cooling plate, and a lower cooling plate is installed on the lower side of the lower mold. According to the injection mold, injection molding materials are poured into the space between the lower mold and the upper mold through the material guide holes for injection molding, cooling liquid can be injected into the upper cooling plate and the lower cooling plate in the injection molding period, the upper mold and the lower mold are subjected to attached cooling, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a cooling and demoulding device for automobile parts injection molding. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car, usually including: chassis parts, electrical parts, body parts, etc. In the process of processing specific auto parts, they need to be injection molded, and molds are needed to assist injection molding during injection molding, which requires the use of mold devices.

[0003] In the prior art, such as publication number CN211843038U, a demoulding device for an injection molding machine for producing automobile parts is disclosed, which includes an ejector pin, one end of the ejector pin is connected to a mounting plate, and one end of the mounting plate is provided with a cushion block, one end of the mounting plate is located at the bottom end of the cushion block and is connected to a guide plate, and the inner wall of the guide plate is provided with a guide column, one end of the guide column is connected to a movable template, and the top of the movable template is provided with a demoulding liquid tank, a spiral rod is installed inside the demoulding liquid tank, and a block is sleeved on the outer wall of the spiral rod. The utility model is provided with a rotating motor that is rotatably connected to the fan blades through a rotating shaft, and the rotating motor is connected to the rotating shaft through a coupling, the rotating motor transmits torque to the coupling, the coupling transmits torque to the fan blades, the rotating motor drives the fan blades to rotate, and draws hot air from the ventilation pipe to cool the movable template, so as to reduce the cooling molding time of the product.

[0004] However, the device still has some problems. A rotating motor is arranged to be rotatably connected to the fan blades through a rotating shaft, and the rotating motor and the rotating shaft are connected through a coupling. The rotating motor transmits torque to the coupling, and the coupling transmits torque to the fan blades. The rotating motor drives the fan blades to rotate, and hot air is drawn out from the ventilation pipe to cool the moving template. This cooling method cools the mold by taking away the heat on the mold in the form of air cooling. The cooling method of taking away heat through air circulation has a slow cooling rate, which leads to the problem of low production efficiency. Therefore, we disclose a cooling and demolding device for injection molding of automotive parts to meet people's needs. Utility Model Content

[0005] The purpose of the present application is to provide a cooling and demoulding device for the injection molding of automobile parts, so as to solve the problem proposed in the above-mentioned background technology that hot air is extracted from the ventilation pipe to cool the moving mold. This cooling method cools the mold by taking away the heat on the mold in the form of air cooling. The cooling method that takes away the heat through air circulation has a slow cooling rate, resulting in low production efficiency.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a cooling and demolding device for injection molding of automotive parts, comprising a box body, a plurality of positioning columns are installed on the upper side of the box body, a box cover is slidably installed on the surfaces of the plurality of positioning columns, an upper mold is installed on the lower side of the box cover, a mounting groove is provided on the upper surface of the box body, a lower mold is installed in the mounting groove, the upper mold is adapted to the lower mold, a first placement groove is provided on one side of the upper mold, an upper cooling plate is installed in the first placement groove, a first water injection hole is provided on the upper side of the upper cooling plate, a lower cooling plate is installed on the lower side of the lower mold, a second water injection hole is provided on one side of the lower cooling plate, and a material guide hole is provided on the upper side of the box cover.

[0007] Preferably, a cooling box is installed on the inner bottom wall of the box body, a water outlet is opened on one side of the cooling box, a water pump is installed in the water outlet, a first delivery pipe is installed at the water delivery end of the water pump, a first avoidance hole is opened on one side of the box body, the first avoidance hole corresponds to the first delivery pipe, and the other end of the first delivery pipe is installed in the second water injection hole.

[0008] Preferably, a first drainage hole is opened on the other side of the lower cooling plate, a second delivery pipe is installed in the first drainage hole, a second avoidance hole is opened on one side of the box body, the second avoidance hole corresponds to the second delivery pipe, a third avoidance hole is opened on the upper side of the box cover, and the other end of the second delivery pipe passes through the third avoidance hole and is installed in the first water injection hole.

[0009] Preferably, a second drainage hole is provided on the upper side of the upper cooling plate, a third delivery pipe is installed in the second drainage hole, a diverter pipe is provided on one side of the box body, a third water injection hole is provided on one side of the diverter pipe, the other end of the third delivery pipe is installed in the third water injection hole, a plurality of diverter holes are provided on the other side of the diverter pipe, cooling pipes are installed in the plurality of diverter holes, a collecting pipe is provided on one side of the box body, a plurality of collecting holes are provided on one side of the collecting pipe, and a plurality of cooling pipes are correspondingly installed in the plurality of collecting holes, a fourth water injection hole is provided on one side of the collecting pipe, a fourth delivery pipe is installed in the fourth water injection hole, a water inlet is provided on one side of the cooling box, a third avoidance hole is provided on one side of the box body, the other end of the fourth delivery pipe passes through the third avoidance hole and is installed in the water inlet.

[0010] Preferably, a partition is installed on the inner wall of the box body, a hydraulic cylinder is installed on the upper side of the partition, a sliding hole is opened on the inner bottom wall of the lower mold, a stripping plate is provided on the inner bottom wall of the lower mold, and the output end of the hydraulic cylinder is installed on the lower side of the stripping plate.

[0011] Preferably, a fan is installed on one side of the box.

[0012] Preferably, a material guide pipe is installed in the material guide hole, and a mounting block is installed on the upper side of the box cover.

[0013] In summary, the technical effects and advantages of the utility model are:

[0014] 1. In the utility model, the cooling water in the cooling box is transported through the first delivery pipe to the lower cooling plate through a water pump to cool the lower mold by heat conduction, and then the cooling water in the lower cooling plate is transported to the upper cooling plate through the second delivery pipe to cool the upper mold by heat conduction, and then the water in the upper cooling plate is led out to the shunt pipe through the third delivery pipe, and transported to the cooling pipe through the shunt pipe, cooled by the cooling pipe, and concentrated through the collecting pipe and then transported back to the cooling box through the fourth delivery pipe for recycling. The upper and lower molds are cooled by liquid cooling, and the heat transfer efficiency is faster than that of air cooling, thereby achieving better heat dissipation effect and improving the production rate.

[0015] 2. In the utility model, the demoulding plate is driven to move upward by the output end of the hydraulic cylinder, so that the injection material after cooling is quickly separated from the lower mold, achieving the effect of easy demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the cooling pipe and its related structures of the utility model;

[0020] Figure 4 It is a schematic diagram of the cutaway structure of the lower die in the utility model.

[0021] In the figure: 1. box body; 2. positioning column; 3. box cover; 4. upper mold; 5. lower mold; 6. cooling box; 7. water pump; 8. first conveying pipe; 9. lower cooling plate; 10. second conveying pipe; 11. upper cooling plate; 12. third conveying pipe; 13. diverter pipe; 14. cooling pipe; 15. collecting pipe; 16. fourth conveying pipe; 17. fan; 18. partition; 19. hydraulic cylinder; 20. stripping plate; 21. material guide pipe; 22. mounting block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 , the utility model provides the embodiment:

[0024] A cooling and demoulding device for injection molding of automobile parts comprises a box body 1, a plurality of positioning columns 2 are installed on the upper side of the box body 1, a box cover 3 is slidably installed on the surface of the plurality of positioning columns 2, an upper mold 4 is installed on the lower side of the box cover 3, a mounting groove is provided on the upper surface of the box body 1, a lower mold 5 is installed in the mounting groove, the upper mold 4 is adapted to the lower mold 5, a first placement groove is provided on one side of the upper mold 4, an upper cooling plate 11 is installed in the first placement groove, a first water injection hole is provided on the upper side of the upper cooling plate 11, a lower cooling plate 9 is installed on the lower side of the lower mold 5, a second water injection hole is provided on one side of the lower cooling plate 9, and a material guide hole is provided on the upper side of the box cover 3.

[0025] Based on the above structure, when in use, it is first necessary to separate the upper mold 4 from the lower mold 5, and apply appropriate isolation material that is easy to demold in the lower mold 5, and then close the upper and lower molds. The material guide hole opened on the upper side of the box cover 3 passes through the upper mold 4, and the injection material is poured into the space between the lower mold 5 and the upper mold 4 through the material guide hole for injection molding. During the injection molding, the coolant can be injected into the upper cooling plate 11 and the lower cooling plate 9 to cool the upper mold 4 and the lower mold 5 respectively, thereby improving the cooling efficiency.

[0026] like Figure 2 As shown, a cooling box 6 is installed on the inner bottom wall of the box body 1, a water outlet is opened on one side of the cooling box 6, a water pump 7 is installed in the water outlet, a first delivery pipe 8 is installed at the water delivery end of the water pump 7, a first avoidance hole is opened on one side of the box body 1, the first avoidance hole corresponds to the first delivery pipe 8, the other end of the first delivery pipe 8 is installed in the second water injection hole, and the first delivery pipe 8 is a plastic hose.

[0027] like Figure 2 As shown, a first drainage hole is opened on the other side of the lower cooling plate 9, and a second delivery pipe 10 is installed in the first drainage hole. A second avoidance hole is opened on one side of the box body 1, and the second avoidance hole corresponds to the second delivery pipe 10. A third avoidance hole is opened on the upper side of the box cover 3, and the other end of the second delivery pipe 10 passes through the third avoidance hole and is installed in the first water injection hole. The second delivery pipe 10 and the third delivery pipe 12 are plastic hoses.

[0028] like Figure 3As shown, a second drainage hole is provided on the upper side of the upper cooling plate 11, and a third delivery pipe 12 is installed in the second drainage hole, a shunt pipe 13 is provided on one side of the box body 1, a third water injection hole is provided on one side of the shunt pipe 13, and the other end of the third delivery pipe 12 is installed in the third water injection hole, a plurality of shunt holes are provided on the other side of the shunt pipe 13, and cooling pipes 14 are installed in the plurality of shunt holes, a collecting pipe 15 is provided on one side of the box body 1, a plurality of collecting holes are provided on one side of the collecting pipe 15, and a plurality of cooling pipes 14 are correspondingly installed in the plurality of collecting holes, a fourth water injection hole is provided on one side of the collecting pipe 15, and a fourth delivery pipe 16 is installed in the fourth water injection hole, a water inlet is provided on one side of the cooling box 6, a third avoidance hole is provided on one side of the box body 1, and the other end of the fourth delivery pipe 16 passes through the third avoidance hole and is installed in the water inlet, the fourth hose is a plastic hose, and the shunt pipe 13, the cooling pipe 14 and the collecting pipe 15 are all copper metal pipes.

[0029] The water pump 7 transports the cooling water in the cooling box 6 to the lower cooling plate 9 through the first delivery pipe 8 to heat conduction cool the lower mold 5, and then transports the cooling water in the lower cooling plate 9 to the upper cooling plate 11 through the second delivery pipe 10 to heat conduction cool the upper mold 4, and then guides the water in the upper cooling plate 11 to the shunt pipe 13 through the third delivery pipe 12, and transports it to the cooling pipe 14 through the shunt pipe 13, and is cooled by the cooling pipe 14, and is concentrated through the collecting pipe 15 and then re-delivered to the cooling box 6 through the fourth delivery pipe 16 for recycling. The upper mold 4 and the lower mold 5 are cooled by liquid cooling, and the heat transfer efficiency is faster than that of the air cooling method, thereby achieving a better heat dissipation effect.

[0030] like Figure 3 As shown, a fan 17 is installed on one side of the box body 1, and the fan 17 is installed on the lower side of the cooling pipe 14 to improve the cooling efficiency of the cooling pipe 14.

[0031] like Figure 4 As shown, a partition 18 is installed on the inner wall of the box body 1, a hydraulic cylinder 19 is installed on the upper side of the partition 18, a sliding hole is opened on the inner bottom wall of the lower mold 5, a stripping plate 20 is provided on the inner bottom wall of the lower mold 5, the output end of the hydraulic cylinder 19 is installed on the lower side of the stripping plate 20, and a hole is reserved in the lower cooling plate 9 to facilitate the operation of the hydraulic cylinder 19. The output end of the hydraulic cylinder 19 drives the stripping plate 20 to move upward, so that the injection material after cooling is quickly separated from the lower mold 5, thereby achieving the effect of facilitating demoulding.

[0032] like Figure 1 As shown, a material guide pipe 21 is installed in the material guide hole, and a mounting block 22 is installed on the upper side of the box cover 3. The material guide pipe 21 is convenient for pouring the injection material, and the mounting block 22 is convenient for installing power equipment such as an electric telescopic rod on the box cover 3 that is easy to lift.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling and demoulding device for injection molding of automobile parts, comprising a box (1), characterized in that: A plurality of positioning columns (2) are installed on the upper side of the box body (1), and a box cover (3) is slidably installed on the surfaces of the plurality of positioning columns (2). An upper mold (4) is installed on the lower side of the box cover (3). A mounting groove is provided on the upper surface of the box body (1), and a lower mold (5) is installed in the mounting groove. The upper mold (4) is adapted to the lower mold (5). A first placement groove is provided on one side of the upper mold (4), and an upper cooling plate (11) is installed in the first placement groove. A first water injection hole is provided on the upper side of the upper cooling plate (11). A lower cooling plate (9) is installed on the lower side of the lower mold (5), and a second water injection hole is provided on one side of the lower cooling plate (9). A material guide hole is provided on the upper side of the box cover (3).

2. A cooling and demoulding device for injection molding of automobile parts according to claim 1, characterized in that: A cooling box (6) is installed on the inner bottom wall of the box body (1), a water outlet is provided on one side of the cooling box (6), a water pump (7) is installed in the water outlet, a first delivery pipe (8) is installed at the water delivery end of the water pump (7), a first avoidance hole is provided on one side of the box body (1), the first avoidance hole corresponds to the first delivery pipe (8), and the other end of the first delivery pipe (8) is installed in the second water injection hole.

3. A cooling and demoulding device for injection molding of automobile parts according to claim 2, characterized in that: A first drainage hole is provided on the other side of the lower cooling plate (9), a second delivery pipe (10) is installed in the first drainage hole, a second avoidance hole is provided on one side of the box body (1), the second avoidance hole corresponds to the second delivery pipe (10), a third avoidance hole is provided on the upper side of the box cover (3), the other end of the second delivery pipe (10) passes through the third avoidance hole and is installed in the first water injection hole.

4. A cooling and demoulding device for injection molding of automobile parts according to claim 3, characterized in that: A second drainage hole is provided on the upper side of the upper cooling plate (11), a third delivery pipe (12) is installed in the second drainage hole, a shunt pipe (13) is installed on one side of the box body (1), a third water injection hole is provided on one side of the shunt pipe (13), the other end of the third delivery pipe (12) is installed in the third water injection hole, a plurality of shunt holes are provided on the other side of the shunt pipe (13), cooling pipes (14) are installed in each of the plurality of shunt holes, and a plurality of cooling pipes (14) are installed on one side of the box body (1). A collecting pipe (15), a plurality of collecting holes are provided on one side of the collecting pipe (15), a plurality of cooling pipes (14) are correspondingly installed in the plurality of collecting holes, a fourth water injection hole is provided on one side of the collecting pipe (15), a fourth delivery pipe (16) is installed in the fourth water injection hole, a water inlet is provided on one side of the cooling box (6), a third avoidance hole is provided on one side of the box body (1), and the other end of the fourth delivery pipe (16) passes through the third avoidance hole and is installed in the water inlet.

5. The cooling and demoulding device for automobile parts injection molding according to claim 1, characterized in that: A partition (18) is installed on the inner wall of the box body (1), a hydraulic cylinder (19) is installed on the upper side of the partition (18), a sliding hole is opened on the inner bottom wall of the lower mold (5), a stripper plate (20) is arranged on the inner bottom wall of the lower mold (5), and an output end of the hydraulic cylinder (19) is installed on the lower side of the stripper plate (20).

6. The cooling and demoulding device for automobile parts injection molding according to claim 1, characterized in that: A fan (17) is installed on one side of the box body (1).

7. The cooling and demoulding device for automobile parts injection molding according to claim 1, characterized in that: A material guide pipe (21) is installed in the material guide hole, and a mounting block (22) is installed on the upper side of the box cover (3).

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