Lossless demolding device for automotive trim injection molded part
By combining gravity potential energy and pneumatic mold release with limiting components and male mold assembly, the problem of high requirements for mold sealing is solved by blowing mold release, lossless mold release of injection molded parts is achieved, equipment structure is simplified and maintenance costs are reduced.
Patent Information
- Application Number
- CN202422712295.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-07
AI Technical Summary
The blow-off molding method of injection molded parts in the existing automotive interior has high requirements for mold sealing, resulting in complex equipment maintenance and maintenance work and increasing production costs.
The limiting component and the male mold assembly are combined with gravity potential energy and pneumatic mold release to achieve automatic flip of injection molded parts, combining maneuvering and pneumatic mold release methods to ensure uniform stress and rapid mold release.
The lossless mold release of injection molded parts is achieved, the application scope of the equipment is expanded, the structure is simplified, the maintenance cost is reduced, and the operation convenience is improved.
Smart Images
Figure CN223290253U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of demoulding devices, in particular to a non-destructive demoulding device for automobile interior injection moldings. Background Art
[0002] The non-destructive demoulding device for automotive interior injection molded parts is a device specially designed to separate plastic parts from the mold without damaging the molded product. It is widely used in the production process of automotive interior parts, especially in the production of complex shapes that require high efficiency and high quality.
[0003] Air blowing is a common demoulding method for non-destructive demoulding of automotive interior injection molded parts. Air blowing has significant advantages such as reducing the risk of product deformation, reducing surface defects, and improving production efficiency.
[0004] When faced with injection molded parts with complex geometric shapes or deep cavity structures, the air-blast method of air-blowing demoulding requires high sealing performance of the mold. If the mold structure is improved, the maintenance and upkeep of the equipment will become more complicated and difficult, increasing production costs. Therefore, a non-destructive demoulding device for automobile interior injection molded parts is proposed to address the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide a non-destructive demoulding device for automobile interior injection molded parts, so as to solve the problem that the air-capping method of air blowing demoulding has high requirements on the sealing of the mold, and if the mold structure is improved, the maintenance and maintenance of the equipment will become more complicated and difficult.
[0006] To achieve the above objectives, the present invention provides the following technical solutions:
[0007] A non-destructive demoulding device for automobile interior injection molding parts comprises a machine tool, a fan and an elastic net, wherein the upper end of the machine tool is fixedly connected to the fan, the inner side of the machine tool is fixedly connected to the elastic net, the inner side of the machine tool is fixedly connected to a drying lamp, the inner side of the machine tool is fixedly connected to a die, the inner side of the machine tool is fixedly connected to a limit assembly, one side of the limit assembly is fixedly connected to a male mold assembly, the limit assembly comprises a limit bar, a limit groove is provided on the inner side of the limit bar, a tooth plate is fixedly connected to the inner side of the limit groove, a moving rod is slidably connected to the inner side of the moving rod, and the outer side of the moving rod is rotatably connected to A half gear, one side of the half gear is fixedly connected to a connecting column, one end of the connecting column is fixedly connected to a fixed block, the male mold assembly includes an air intake assembly, one side of the air intake assembly is fixedly connected to a limiting plate, an inner side of the limiting plate is provided with an oblique groove, an inner side of the limiting plate is provided with a through groove, an inner side of the oblique groove is slidably connected to a sliding block, one side of the limiting plate is fixedly connected to a front plate, an inner side of the front plate is provided with a rectangular groove, the air intake assembly includes an air intake block, an inner side of the air intake block is fixedly connected to an air nozzle, an inner side of the air intake block is provided with an air groove, and the bottom end of the air intake block is fixedly connected to an air pipe.
[0008] As a further optimization of the present invention, there are several drying lamps, which are evenly and equidistantly distributed at the lower end of the elastic net, the concave mold and the male mold assembly are on the same axis, and the front end face of the limit assembly is in contact with the rear end face of the male mold assembly.
[0009] As a further optimization of the present invention, the projection of the limit bar in the vertical direction is a rectangle, the projection of the tooth plate in the vertical direction is a rectangle, and the angle between the moving rod and the limit slot is 90°.
[0010] As a further optimization of this utility model, the central axis of the movable rod and the central axis of the half gear are on the same straight line, the inner side of the connecting column is rotatably connected to the movable rod, the inner side of the fixed block is rotatably connected to the movable rod, and the fixed block is fixedly connected to the male mold assembly.
[0011] As a further optimization of the present invention, the projection of the limit plate in the vertical direction is a rectangle, two inclined grooves are provided, and the two inclined grooves are symmetrically distributed on the inner side of the limit plate, and the inner side of the inclined groove is in contact with the outer side of the sliding block.
[0012] As a further optimization of the present invention, two sliding blocks are provided, the sliding blocks correspond to the inclined grooves one by one, the front plate and the die are parallel to each other, and a sliding block is slidably connected to the inner side of the rectangular groove.
[0013] As a further optimization of the present invention, there are several air nozzles, each of which is parallel to each other, and the air nozzles are evenly and equidistantly distributed on the inner side of the through groove, and the angle between the air pipe and the air intake block is 90°.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] In the utility model, the limit assembly and the male mold assembly are set, so that the injection molded parts can be automatically flipped during the demoulding process. With the help of gravity potential energy, the two methods of motorized demoulding and pneumatic demoulding are combined to achieve the effect of double-assisted demoulding, so that the injection molded parts are not only evenly stressed, but also can be quickly freed from the constraints of the mold. While ensuring the demoulding effect, the application range of the equipment is expanded, and the device has the advantages of simple structure, convenient operation, and low maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the explosion structure of the limit assembly of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the male mold component of the utility model;
[0020] Figure 5 This is a schematic diagram of the exploded structure of the male mold component of the utility model;
[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the air intake assembly of the present utility model.
[0022] In the figure: 1. Machine tool; 2. Fan; 3. Elastic net; 4. Drying lamp; 5. Die; 6. Limiting assembly; 61. Limiting bar; 62. Limiting groove; 63. Tooth plate; 64. Moving rod; 65. Half gear; 66. Connecting column; 67. Fixed block; 7. Male mold assembly; 71. Air intake assembly; 711. Air intake block; 712. Air nozzle; 713. Air groove; 714. Air pipe; 72. Limiting plate; 73. Oblique groove; 74. Through groove; 75. Sliding block; 76. Front plate; 77. Rectangular groove. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.
[0025] See also Figure 1-6 , the utility model provides a technical solution:
[0026] A non-destructive demoulding device for automobile interior injection molding parts includes a machine tool 1, a fan 2 and an elastic net 3. The upper end of the machine tool 1 is fixedly connected to the fan 2, the inner side of the machine tool 1 is fixedly connected to the elastic net 3, the inner side of the machine tool 1 is fixedly connected to a drying lamp 4, the inner side of the machine tool 1 is fixedly connected to a die 5, the inner side of the machine tool 1 is fixedly connected to a limit assembly 6, one side of the limit assembly 6 is fixedly connected to a male mold assembly 7, the limit assembly 6 includes a limit bar 61, a limit groove 62 is provided on the inner side of the limit bar 61, a tooth plate 63 is fixedly connected to one side of the limit bar 61, a moving rod 64 is slidably connected to the inner side of the limit groove 62, and a half gear 65 is rotatably connected to the outer side of the moving rod 64. The side is fixedly connected with a connecting column 66, and one end of the connecting column 66 is fixedly connected with a fixed block 67. The male mold component 7 includes an air intake component 71, and one side of the air intake component 71 is fixedly connected to a limiting plate 72, and an inclined groove 73 is provided on the inner side of the limiting plate 72, and a through groove 74 is provided on the inner side of the limiting plate 72. A sliding block 75 is slidably connected to the inner side of the inclined groove 73, and one side of the limiting plate 72 is fixedly connected to a front plate 76, and a rectangular groove 77 is provided on the inner side of the front plate 76. The air intake component 71 includes an air intake block 711, and an air nozzle 712 is fixedly connected to the inner side of the air intake block 711, an air groove 713 is provided on the inner side of the air intake block 711, and an air pipe 714 is fixedly connected to the bottom end of the air intake block 711.
[0027] As a further implementation of this solution, the central axis of the moving rod 64 and the central axis of the half gear 65 are on the same straight line, the connecting column 66 is rotatably connected to the moving rod 64 on the inside, the fixed block 67 is rotatably connected to the moving rod 64 on the inside, and the fixed block 67 is fixedly connected to the male mold assembly 7. This design facilitates the coordination between the components and improves the operating efficiency of the device.
[0028] As a further implementation of this solution, a plurality of drying lamps 4 are provided, and the drying lamps 4 are evenly and equidistantly distributed at the lower end of the elastic net 3. The female mold 5 and the male mold assembly 7 are coaxial, and the front end surface of the limit assembly 6 is in contact with the rear end surface of the male mold assembly 7. This design can strengthen the mutual support between the components and improve the stability of the device.
[0029] As a further implementation of this solution, two sliding blocks 75 are provided, and there is a one-to-one correspondence between the sliding blocks 75 and the inclined grooves 73. The front plate 76 and the die 5 are parallel to each other, and the sliding blocks 75 are slidably connected to the inner side of the rectangular groove 77. This design can make the force transmission between the components more stable and improve the operating accuracy of the device.
[0030] As a further implementation of this solution, the projection of the limit bar 61 in the vertical direction is a rectangle, the projection of the tooth plate 63 in the vertical direction is a rectangle, and the angle between the moving rod 64 and the limit groove 62 is 90°. This design is more reasonable and effectively avoids mutual obstruction between the components.
[0031] As a further implementation of this solution, a plurality of air nozzles 712 are provided, each air nozzle 712 is parallel to each other, and the air nozzles 712 are evenly and equidistantly distributed inside the through groove 74. The angle between the air pipe 714 and the air inlet block 711 is 90°. This design is more reasonable and can improve the operating efficiency of the device.
[0032] As a further implementation of this solution, the projection of the limit plate 72 in the vertical direction is a rectangle, and two inclined grooves 73 are provided. The two inclined grooves 73 are symmetrically distributed on the inner side of the limit plate 72 in the upper and lower directions. The inner side of the inclined groove 73 fits with the outer side of the sliding block 75. This design is conducive to improving the fit between components and improving the accuracy of the operation of the device.
[0033] Working process: When the device is in use, the machine tool 1 controls the connection between the die 5 and the male mold assembly 7, and then the plastic heated to a molten state is injected into the cavity of the die 5 to form the injection molded part. Then the die 5 is separated from the male mold assembly 7, and the male mold assembly 7 moves to drive the fixed block 67 to move. When the fixed block 67 moves, it will drive the fixedly connected connecting column 66 to move. The movement of the connecting column 66 drives the moving rod 64 to slide in the limiting groove 62. When the connecting column 66 moves a certain distance, the half gear 65 fixed to one end of the connecting column 66 will mesh with the teeth on the tooth plate 63, causing the half gear 65 to rotate. When the half gear 65 rotates, it will drive the fixed block through the connecting column 66. 67 rotates. When the fixed block 67 rotates, it will drive the male mold assembly 7 to rotate so that the left side of the male mold assembly 7 faces the ground. At this time, the sliding block 75 will slide in the inclined groove 73 and the rectangular groove 77 under the influence of gravity, and squeeze the injection molded part covered on the front plate 76. At the same time, the air pipe 714 will be connected to the fan 2, and the air flow generated by the fan 2 will enter the air groove 713 through the air pipe 714, and then flow out from the air nozzle 712 to blow and demould the injection molded part covered on the front plate 76. After the injection molding machine is demoulded, it will fall on the elastic net 3. The drying lamp 4 will dry the injection molding machine on the elastic net 3 to remove moisture attached to the injection molding machine during the blowing and demoulding process.
[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A non-destructive demoulding device for automobile interior injection molded parts, comprising a machine tool (1), a blower (2) and an elastic net (3), characterized in that: The upper end of the machine tool (1) is fixedly connected to a fan (2), the inner side of the machine tool (1) is fixedly connected to an elastic net (3), the inner side of the machine tool (1) is fixedly connected to a drying lamp (4), the inner side of the machine tool (1) is fixedly connected to a die (5), the inner side of the machine tool (1) is fixedly connected to a limit assembly (6), one side of the limit assembly (6) is fixedly connected to a male mold assembly (7), the limit assembly (6) comprises a limit bar (61), a limit slot (62) is provided on the inner side of the limit bar (61), one side of the limit bar (61) is fixedly connected to a tooth plate (63), the inner side of the limit slot (62) is slidably connected to a moving rod (64), the outer side of the moving rod (64) is rotatably connected to a half gear (65), one side of the half gear (65) is fixedly connected to a connecting column (66), the connecting One end of the column (66) is fixedly connected to a fixed block (67), the male mold assembly (7) includes an air intake assembly (71), one side of the air intake assembly (71) is fixedly connected to a limit plate (72), an inner side of the limit plate (72) is provided with an inclined groove (73), an inner side of the limit plate (72) is provided with a through groove (74), an inner side of the inclined groove (73) is slidably connected to a sliding block (75), one side of the limit plate (72) is fixedly connected to a front plate (76), an inner side of the front plate (76) is provided with a rectangular groove (77), the air intake assembly (71) includes an air intake block (711), an inner side of the air intake block (711) is fixedly connected to an air nozzle (712), an inner side of the air intake block (711) is provided with an air groove (713), and a bottom end of the air intake block (711) is fixedly connected to an air pipe (714).
2. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: A plurality of drying lamps (4) are provided, and the drying lamps (4) are evenly and equidistantly distributed at the lower end of the elastic net (3). The concave mold (5) and the male mold assembly (7) are coaxial, and the front end surface of the limiting assembly (6) is in contact with the rear end surface of the male mold assembly (7).
3. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: The projection of the limiting strip (61) in the vertical direction is a rectangle, the projection of the tooth plate (63) in the vertical direction is a rectangle, and the angle formed between the moving rod (64) and the limiting groove (62) is 90°.
4. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: The central axis of the moving rod (64) and the central axis of the half gear (65) are on the same straight line, the inner side of the connecting column (66) is rotatably connected to the moving rod (64), the inner side of the fixed block (67) is rotatably connected to the moving rod (64), and the fixed block (67) is fixedly connected to the male mold assembly (7).
5. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: The projection of the limiting plate (72) in the vertical direction is a rectangle. Two inclined grooves (73) are provided. The two inclined grooves (73) are symmetrically distributed on the inner side of the limiting plate (72) in an upper and lower direction. The inner side of the inclined groove (73) is in contact with the outer side of the sliding block (75).
6. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: Two sliding blocks (75) are provided, and the sliding blocks (75) correspond to the inclined grooves (73) one by one. The front plate (76) and the die (5) are parallel to each other, and the sliding blocks (75) are slidably connected to the inner side of the rectangular groove (77).
7. The non-destructive demoulding device for automobile interior injection molded parts according to claim 1, characterized in that: A plurality of the air nozzles (712) are provided, each of the air nozzles (712) is parallel to each other, and the air nozzles (712) are evenly and equidistantly distributed inside the through groove (74). The angle formed between the air pipe (714) and the air intake block (711) is 90°.