Automobile interior trim part injection mold facilitating part taking
By designing a release plate with silicone oil applied to the injection mold of the automotive interior parts and an improved cooling system, the problem of poor adhesion and cooling effect of the mold embryo is solved, and a more efficient mold extraction and cooling process is achieved.
Patent Information
- Application Number
- CN202421543070.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-02
AI Technical Summary
During the mold extraction process of existing automotive interior parts injection molds, there are problems such that the mold embryo is prone to adhere to the molding embryo, resulting in a long mold extraction time, and poor cooling effect, which affects the demolding efficiency.
An injection mold is designed including a mold picking assembly and a cooling cooling device. The outer wall of the mold removal panel of the mold removal assembly is applied to improve anti-stickness and smoothness; the cooling device accelerates heat dissipation through components such as cooling water tanks, snake tubes and fans to improve cooling efficiency.
It effectively improves the demolding efficiency of the mold embryo, shortens the mold extraction time, and improves the cooling effect through an improved cooling system, improving the overall demolding efficiency.
Smart Images

Figure CN222807542U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile interior decoration part injection molds, in particular to an automobile interior decoration part injection mold which is convenient for taking out parts. Background Art
[0002] Car interior mainly refers to the car products used for car interior modification, involving all aspects of the car interior, such as car steering wheel covers, car seat cushions, car floor mats, car perfumes, car pendants, interior ornaments, storage boxes, etc. are all car interior products, and the production of car interior parts is carried out through injection molding.
[0003] After the injection molding of the automotive interior parts is completed, they need to be removed, but the mold base is easy to stick to the inside of the lower mold, which makes the operator take a long time to remove the mold. The existing mold removal method is to set a top plate in the lower mold to eject the mold base through the top plate, but the sealing of the injection cavity is reduced. In addition, a single fan cooling or natural cooling is used for cooling the mold base, and the cooling effect is poor, which affects the demolding efficiency of the automotive interior parts. Utility Model Content
[0004] The utility model aims to provide an injection mold for automobile interior decoration parts which is convenient for taking out parts, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for automobile interior parts that is easy to remove, comprising an injection molding table, an injection molding component is installed on the upper end of the injection molding table, an injection molding component mold removal component is fixedly installed on the lower end of the injection molding table, and a cooling device is fixedly installed inside the injection molding table and below the mold removal component.
[0006] The mold removal assembly includes a lower mold, which is fixedly connected to the lower end of the injection molding table. The left and right ends of the lower mold are provided with slots, and the slots are both clamped with blocks. A stripping plate is fixedly connected between the left and right blocks, and the stripping plate is slidably connected to the inner wall of the lower mold.
[0007] In the above technical solution, silicone oil is applied on the outer wall of the demoulding plate, which has good anti-stick and smooth properties and can effectively improve the demoulding effect of the mold base. After the demoulding plate is pulled out, a gap is left between the lower mold and the mold base, thereby facilitating the removal of the mold base.
[0008] The temperature reduction and cooling device includes a cooling water tank, which is arranged at the rear side of the injection molding table. The inlet of the cooling water tank is fixedly connected with a liquid inlet pipe, the outlet of the cooling water tank is fixedly connected with a liquid outlet pipe, a heat dissipation component is fixedly installed between the liquid inlet pipe and the liquid outlet pipe, and the heat dissipation component is arranged inside the injection molding table.
[0009] As a further preferred embodiment of the present technical solution, the injection molding platform includes a base, and vertical poles are fixedly connected to the corners of the top side of the base, and a top plate is fixedly connected to the top side of the vertical poles.
[0010] As a further preferred embodiment of the technical solution, an injection cavity is provided on the end surface of the base, heat dissipation holes are arranged on both the left and right sides of the injection cavity, and a fan is installed on the bottom side of the injection cavity.
[0011] In the above technical solution, the fan is arranged to accelerate the heat dissipation speed of the coolant in the serpentine tube.
[0012] As a further preferred embodiment of the present technical solution, the injection molding component includes a hydraulic cylinder, which is installed in the middle of the top side of the top plate, and the output end of the hydraulic cylinder is fixedly connected to a mounting plate, and the outer walls at the corners of the mounting plate are fixedly connected to sliders, and the outer walls of the sliders are slidably connected to the inner walls of the vertical poles, and the bottom side of the mounting plate is bolted to an upper mold.
[0013] In the above technical solution, when the hydraulic cylinder drives the upper mold for injection molding, the slider slides on the vertical rod, thereby improving the stability of the upper mold lifting and lowering.
[0014] As a further preferred embodiment of the present technical solution, the stripping plate includes a slide groove plate, and the slide groove plate is arranged on the front and rear inner walls of the stripping plate, and the inner walls of the slide groove plate are slidably connected with an L-shaped plate.
[0015] In the above technical solution, when demoulding and taking out the mold base, the L-shaped plate is taken out in advance to reduce the resistance encountered when the demoulding plate is pulled out, so that the mold base can be taken out more quickly.
[0016] As a further preferred embodiment of the present technical solution, the heat dissipation component includes a serpentine tube, which is coiled inside the injection molding cavity, and the outer wall of the serpentine tube is fixedly connected to a copper tube, and the outer wall of the copper tube is provided with copper sheets arranged in a circular manner.
[0017] In the above technical solution, copper tubes and copper sheets are arranged on the outer wall of the serpentine tube to further accelerate the heat dissipation.
[0018] As a further preferred embodiment of the present technical solution, a semiconductor refrigeration sheet is provided on the outer wall of the cooling water tank, and the semiconductor refrigeration sheet is electrically connected to an external power supply.
[0019] In the above technical solution, the semiconductor refrigeration plate is arranged to cool the cooling liquid after the temperature is reduced, thereby improving the effect of subsequent cooling.
[0020] The utility model provides an injection mold for automobile interior decoration parts that is easy to remove, and has the following beneficial effects:
[0021] (1) The utility model installs a mold removal component, and the outer wall of the stripping plate is coated with silicone oil, which has good anti-stick and smooth performance, and can effectively improve the demolding effect of the mold base. The stripping plate is clamped on the inner wall of the lower mold. When demolding the mold base, the L-shaped plate is taken out in advance to reduce the resistance encountered when the stripping plate is pulled out, so that the mold base can be taken out more quickly. After the stripping plate is pulled out, a gap is left between the lower mold and the mold base, thereby facilitating the removal of the mold base.
[0022] (2) The utility model installs a cooling device, and uses a pump body in a cooling water tank to pump coolant into the serpentine tube along the liquid inlet pipe to exchange heat inside the injection cavity. The heat dissipation rate of the coolant in the serpentine tube is accelerated by a fan, and copper tubes and copper sheets are arranged on the outer wall of the serpentine tube to further accelerate the heat dissipation. The semiconductor refrigeration sheet is arranged to cool the coolant after the temperature is reduced, thereby improving the subsequent cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the overall structure of the injection mold for automobile interior decoration parts of the utility model;
[0024] Figure 2 The utility model is Figure 1 Schematic diagram of the split structure;
[0025] Figure 3 The utility model is Figure 2 A schematic diagram of the structure of the heat dissipation component;
[0026] Figure 4 The utility model is Figure 3 Schematic diagram of the structure of copper tube and copper sheet;
[0027] In the figure: 1. injection molding table; 2. injection molding assembly; 3. mold removal assembly; 4. cooling device; 11. base; 12. vertical pole; 13. top plate; 111. injection molding cavity; 112. heat dissipation hole; 21. hydraulic cylinder; 22. mounting plate; 23. slider; 24. upper mold; 31. lower mold; 32. slot; 33. block; 34. stripping plate; 341. slide plate; 342. L-shaped plate; 41. cooling water tank; 42. semiconductor refrigeration plate; 43. liquid inlet pipe; 44. liquid outlet pipe; 45. heat dissipation assembly; 451. serpentine pipe; 452. copper pipe; 453. copper sheet; 46. fan. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0029] The utility model provides a technical solution: Figure 1As shown, in this embodiment, an injection mold for automobile interior parts that is easy to remove parts includes an injection molding table 1, an injection molding component 2 is installed on the upper end of the injection molding table 1, an injection molding component mold removal component 3 is fixedly installed on the lower end of the injection molding table 1, and a cooling device 4 is fixedly installed inside the injection molding table 1 and below the mold removal component 3.
[0030] like Figure 1 and Figure 2 As shown, the injection molding table 1 includes a base 11, and the corners of the top side of the base 11 are fixedly connected with uprights 12, and the top side of the uprights 12 is fixedly connected with a top plate 13. An injection cavity 111 is provided on the end face of the base 11, and heat dissipation holes 112 are arranged on the left and right sides of the injection cavity 111. A fan 46 is installed on the bottom side of the injection cavity 111. The injection molding component 2 includes a hydraulic cylinder 21, and the hydraulic cylinder 21 is installed in the middle of the top side of the top plate 13. The output end of the hydraulic cylinder 21 is fixedly connected with a mounting plate 22, and the outer wall of the mounting plate 22 at the corner is fixedly connected with a slider 23. The outer wall of the slider 23 is slidably connected to the inner wall of the upright 12, and the bottom side of the mounting plate 22 is bolted with an upper mold 24. When the hydraulic cylinder 21 drives the upper mold 24 for injection molding, the slider 23 slides on the upright 12, thereby improving the stability of the lifting of the upper mold 24.
[0031] like Figure 2 As shown, the mold removal assembly 3 includes a lower mold 31, the lower mold 31 is fixedly connected to the lower end of the injection molding table 1, and the left and right ends of the lower mold 31 are provided with a card slot 32, and the card slot 32 is clamped with a card block 33, and a stripper plate 34 is fixedly connected between the left and right blocks 33. The stripper plate 34 is slidably connected to the inner wall of the lower mold 31, and the stripper plate 34 includes a slide plate 341, and the slide plate 341 is arranged on the front and rear inner walls of the stripper plate 34, and the inner wall of the slide plate 341 is slidably connected with an L-shaped plate 3 42. Install the mold removal component 3. The outer wall of the stripping plate 341 is coated with silicone oil, which has good anti-stick and smooth properties and can effectively improve the demolding effect of the mold base. The stripping plate 341 is clamped on the inner wall of the lower mold 31. When demolding the mold base, the L-shaped plate 342 is taken out in advance to reduce the resistance of the stripping plate 341 when pulling out, so that the mold base can be taken out more quickly. After the stripping plate 341 is pulled out, a gap is left between the lower mold 31 and the mold base, which facilitates the removal of the mold base.
[0032] like Figure 3 and Figure 4As shown, the cooling device 4 includes a cooling water tank 41, which is arranged at the rear side of the injection molding table 1, and a liquid inlet pipe 43 is fixedly connected to the inlet of the cooling water tank 41, and a liquid outlet pipe 44 is fixedly connected to the outlet of the cooling water tank 41. A heat dissipation component 45 is fixedly installed between the liquid inlet pipe 43 and the liquid outlet pipe 44. The heat dissipation component 45 is arranged inside the injection molding table 1, and the heat dissipation component 45 includes a serpentine tube 451, which is coiled inside the injection molding cavity 111, and a copper tube 452 is fixedly connected to the outer wall of the serpentine tube 451. Copper sheets 453 are arranged in a circumferential manner on the outer wall of the copper tube 452. A semiconductor refrigeration sheet 42 is arranged on the outer wall of the water tank 41, and the semiconductor refrigeration sheet 42 is electrically connected to an external power supply. A cooling device 4 is installed, and the coolant is pumped into the serpentine tube 451 along the liquid inlet pipe 43 through the pump body in the cooling water tank 41 to exchange heat inside the injection cavity 111, and the heat dissipation speed of the coolant in the serpentine tube 451 is accelerated by the fan 46, and a copper tube 452 and a copper sheet 453 are arranged on the outer wall of the serpentine tube 451 to further accelerate the dissipation of heat. The semiconductor refrigeration sheet 42 is arranged to cool the coolant after cooling, thereby improving the effect of subsequent cooling.
[0033] The utility model provides an injection mold for automobile interior decoration parts which is convenient for taking out parts. The specific working principle is as follows: starting the hydraulic cylinder 21 drives the upper mold 24 to enter the lower mold 31, and the slurry is poured into the interior through the injection feeding hole. After molding, the upper mold 24 is moved away from the lower mold 31 through the hydraulic cylinder 21, and the coolant in the cooling water tank 41 is pumped into the serpentine pipe 451 through the pump body, and the heat in the injection cavity 111 is exchanged through the flow, and the fan 46 is arranged to accelerate the heat dissipation, and the copper tube 452 and the copper sheet 453 are arranged to further discharge the heat, and the heat flows into the cooling water tank 41 again through the liquid inlet pipe 44, and the semiconductor refrigeration sheet 42 is arranged to further cool the coolant for recycling; after cooling and cooling, the mold needs to be taken out, that is, the L-shaped plate 342 is taken out in advance to reduce the resistance when the subsequent stripping plate 341 is pulled out, and the stripping plate 34 can be pulled out because the stripping plate 341 is coated with silicone oil, and a gap is left between the lower mold 31 and the mold base after the stripping plate 341 is pulled out, so that the mold base can be quickly taken out.
[0034] 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. An injection mold for automobile interior parts that is easy to remove, comprising an injection molding table (1), characterized in that: An injection molding component (2) is installed at the upper end of the injection molding table (1), an injection molding component mold removal component (3) is fixedly installed at the lower end of the injection molding table (1), and a cooling device (4) is fixedly installed inside the injection molding table (1) and below the mold removal component (3); The mold removal assembly (3) comprises a lower mold (31), the lower mold (31) is fixedly connected to the lower end of the injection molding table (1), the left and right ends of the lower mold (31) are provided with slots (32), the slots (32) are both clamped with clamping blocks (33), a stripping plate (34) is fixedly connected between the left and right clamping blocks (33), and the stripping plate (34) is slidably connected to the inner wall of the lower mold (31); The temperature reduction and cooling device (4) comprises a cooling water tank (41), the cooling water tank (41) being arranged at the rear side of the injection molding table (1), the inlet of the cooling water tank (41) being fixedly connected to a liquid inlet pipe (43), the outlet of the cooling water tank (41) being fixedly connected to a liquid outlet pipe (44), a heat dissipation component (45) being fixedly installed between the liquid inlet pipe (43) and the liquid outlet pipe (44), and the heat dissipation component (45) being arranged inside the injection molding table (1).
2. The easy-to-take-out automotive interior trim injection mold according to claim 1, characterized in that: The injection molding table (1) comprises a base (11), the corners of the top side of the base (11) are fixedly connected to upright poles (12), and the top sides of the upright poles (12) are fixedly connected to a top plate (13).
3. The easy-to-take-out automotive interior molding injection mold according to claim 2, characterized in that: An injection cavity (111) is provided on the end surface of the base (11), heat dissipation holes (112) are arranged on both left and right sides of the injection cavity (111), and a fan (46) is installed on the bottom side of the injection cavity (111).
4. The easy-to-take-out automotive interior molding injection mold according to claim 1, characterized in that: The injection molding assembly (2) comprises a hydraulic cylinder (21), the hydraulic cylinder (21) being mounted at the middle of the top side of the top plate (13), the output end of the hydraulic cylinder (21) being fixedly connected to a mounting plate (22), the outer walls at the corners of the mounting plate (22) being fixedly connected to sliders (23), the outer walls of the sliders (23) being slidably connected to the inner walls of the uprights (12), and the bottom side of the mounting plate (22) being bolted to an upper mold (24).
5. The easy-to-take-out automotive interior trim injection mold according to claim 1, characterized in that: The stripping plate (34) comprises a slide plate (341), wherein the slide plate (341) is arranged on the front and rear inner walls of the stripping plate (34), and the inner walls of the slide plate (341) are slidably connected to an L-shaped plate (342).
6. The easy-to-take-out automotive interior trim injection mold according to claim 1, characterized in that: The heat dissipation component (45) comprises a serpentine tube (451), the serpentine tube (451) being coiled inside the injection molding cavity (111), the outer wall of the serpentine tube (451) being fixedly connected to a copper tube (452), and the outer wall of the copper tube (452) being provided with copper sheets (453) arranged in a circular manner.
7. The easy-to-take-out automotive interior trim injection mold according to claim 1, characterized in that: The outer wall of the cooling water tank (41) is provided with a semiconductor refrigeration sheet (42), and the semiconductor refrigeration sheet (42) is electrically connected to an external power source.