Full-automatic insert injection molding taking and packaging machine

Abstract

The utility model discloses a full -automatic embedded part injection molding takes out piece packaging machine belongs to injection molding machine technical field, it includes work table, work table top fixed mounting has fixed mould, the fixed mould is buckled and is connected with embedded part main part, the sliding block with the guide rail sliding connection, the sliding block is located between the guide rail with the embedded part main part, the guide rail is the inclined structure, the utility model discloses through the heat absorption block absorption external heat like the heat source of mould processing, the heat transfer to first air cylinder, and the heated expansion gas (like nitrogen) in first air cylinder and second air cylinder expands in volume because temperature rises, and pressure increases, and the telescopic link of movable block outside pushes the sliding block and slides on the inclined guide rail, because the guide rail is the inclined structure, the sliding of sliding block will produce the component force along the guide rail direction, and then will embedded part main part extrude to the inboard of fixed mould, avoids in the injection molding process and causes the displacement of embedded part to influence injection molding effect.

Description

Technical Field

[0001] This utility model belongs to the field of injection molding machine technology, specifically a fully automatic insert injection molding and packaging machine. Background Technology

[0002] In modern manufacturing, injection molding technology is widely used in various fields. In particular, when producing plastic products with inserts, insert injection molding technology plays a key role. Insert injection molding involves precisely placing a pre-prepared insert in a specific position in the injection mold, then injecting molten plastic. After the plastic cools and solidifies, the insert is firmly embedded in the plastic product, thereby creating products with features such as threaded connections, electrical conductivity, or special structural requirements.

[0003] Currently, existing technologies mainly employ various methods to achieve insert positioning and injection molding operations during insert injection molding. Some production processes rely on manual placement of inserts into the mold before injection molding, while others utilize automated equipment. For example, vibratory feeders are used to arrange inserts in an orderly manner and transport them to designated positions. Robotic arms and other devices are used to grasp and place the inserts, after which the injection molding machine performs the injection molding process. In the parts picking and packaging stages, some rely on manual sorting and packaging, while others use automated production lines that transport the injection-molded products to the packaging station via conveyor belts and use mechanical devices for packaging.

[0004] However, existing technologies have significant shortcomings. The most prominent problem is that during the injection molding process, inserts are highly susceptible to the effects of injection pressure and the flow of molten plastic. When high-temperature, high-pressure molten plastic is rapidly injected into the mold cavity, it will generate significant impact and shear forces on the inserts. If the inserts are not securely fixed, these external forces will cause the inserts to shift. Once the inserts shift, the subsequent cooled and solidified plastic products will exhibit defects such as dimensional deviations, exposed inserts, or poor bonding with the plastic, seriously affecting the quality and performance of the products. Utility Model Content

[0005] To overcome the above-mentioned defects, this utility model provides a fully automatic insert injection molding and packaging machine, which solves the problem that inserts are easily affected by injection pressure and molten plastic flow. When high-temperature and high-pressure molten plastic is rapidly injected into the mold cavity, it will generate a large impact force and shear force on the insert. If the fixing method of the insert is not stable enough, this external force will cause the insert to shift.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fully automatic insert injection molding and packaging machine, comprising a worktable, a fixed mold fixedly installed on the top of the worktable, an insert body snapped into the fixed mold, a movable mold slidably connected to the other side of the top of the worktable, a heat-absorbing block snapped into the inner side of the fixed mold, a first air storage cylinder fixedly connected to one side of the heat-absorbing block, a fixed cylinder threaded into the first air storage cylinder, one end of the fixed cylinder penetrating the fixed mold and flush with the inner side of the fixed mold;

[0007] One end of the insert body is located inside the fixed cylinder, and the other end of the fixed cylinder is fixedly connected to a second gas storage cylinder, which is located inside the first gas storage cylinder. A cavity is formed on the inner side of the inner wall of the first gas storage cylinder, and both the cavity and the second gas storage cylinder are filled with heat-expanding gas. Multiple sets of gas supply pipes are connected between the first and second gas storage cylinders. A piston block is slidably connected inside the second gas storage cylinder, and a connecting rod is fixedly connected to one side of the piston block. The connecting rod moves through the fixed cylinder, and a movable block is fixedly installed at the other end of the connecting rod. The movable block is located inside the fixed cylinder, and multiple sets of telescopic rods are fixedly connected to the outside of the movable block. A slider is connected to one end of the telescopic rod, and multiple sets of guide rails are laid inside the fixed cylinder. The slider is slidably connected to the guide rails and is located between the guide rails and the insert body. The guide rails are inclined structures.

[0008] As a further embodiment of this utility model: a support frame is fixedly connected to the back of the movable mold, an injection tube is provided on the top of the support frame, the injection tube is connected to the movable mold, an injection hole for use with the injection tube is opened in the movable mold, and an injection groove for use with the movable mold is opened in the fixed mold.

[0009] As a further embodiment of this utility model: the heat-absorbing block is attached to the back of the injection molding groove, and the heat-absorbing block has a circular structure and is made of metal material.

[0010] As a further embodiment of this utility model: a spring is fixedly connected between the second air storage cylinder and the piston block, and protrusions are connected in a symmetrical structure inside the second air storage cylinder, and a sliding groove for cooperating with the protrusions is opened on the outer side of the piston block.

[0011] As a further embodiment of this utility model: a limiting block is provided on the inner side of the slider, and a limiting groove is provided on the outer side of the guide rail.

[0012] As a further embodiment of this utility model: a fixed frame is fixedly installed on the top of the workbench in a symmetrical structure, and a sliding rod is connected between the fixed frames. The sliding rod passes through the fixed mold and the movable mold, and the movable mold is slidably connected to the sliding rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] The heat is absorbed by the heat-absorbing block, such as the heat source during mold processing. The heat is transferred to the first gas storage cylinder. The heated and expanding gas (such as nitrogen) in the first and second gas storage cylinders expands in volume and increases in pressure due to the increase in temperature. The gas flows from the cavity of the first gas storage cylinder into the second gas storage cylinder through the gas supply pipe, pushing the piston block in the second gas storage cylinder to move. The piston block drives the movable block to move into the fixed cylinder through the connecting rod. The telescopic rod on the outside of the movable block pushes the slider to slide on the inclined guide rail. Since the guide rail is an inclined structure, the sliding of the slider will generate a component force along the direction of the guide rail, which will then squeeze the insert body into the fixed mold, avoiding displacement of the insert during the injection molding process and affecting the injection molding effect.

[0015] When the temperature decreases, the gas contracts, the pressure decreases, and the piston block moves in the opposite direction under the pressure difference of the gas and the action of the spring. The slider retracts along the guide rail, and the fixing force of the insert body is released, making it easier to remove the injection-molded workpiece with the movable mold. During the injection process, the mold temperature drive device is used to fix the insert, avoiding the insertion displacement caused by the injection pressure. The automatic clamping and release of the insert is realized through temperature changes, which improves the automation level of the production line. For temperature-sensitive precision parts such as electronic component inserts, thermal expansion force is used to achieve non-destructive and precise positioning. Attached Figure Description

[0016] Figure 1 This is a first-view schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a partial cross-sectional structural diagram of the present invention;

[0019] Figure 4 For the present utility model Figure 3 Enlarged view of a portion of point A in the middle;

[0020] Figure 5 For the present utility model Figure 3 Enlarged view of a section at point B in the middle;

[0021] Figure 6 This is a schematic diagram showing the disassembly effect of the main structure of this utility model.

[0022] In the diagram: 1. Workbench; 2. Fixed mold; 3. Movable mold; 4. Support frame; 5. Injection tube; 6. Injection hole; 7. Insert body; 8. Fixing frame; 9. Slide rod; 10. Injection tank; 11. Heat absorption block; 12. First air storage cylinder; 13. Fixed cylinder; 14. Guide rail; 15. Slider; 16. Cavity; 17. Second air storage cylinder; 18. Piston block; 19. Connecting rod; 20. Spring; 21. Air supply pipe; 22. Movable block; 23. Telescopic rod. Detailed Implementation

[0023] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0024] like Figures 1-6 As shown, this utility model provides a technical solution:

[0025] A fully automatic insert injection molding and packaging machine includes a worktable 1, a fixed mold 2 fixedly installed on the top of the worktable 1, an insert body 7 snapped into the fixed mold 2, a movable mold 3 slidably connected to the other side of the top of the worktable 1, a heat-absorbing block 11 snapped into the inside of the fixed mold 2, a first air storage cylinder 12 fixedly connected to one side of the heat-absorbing block 11, a fixed cylinder 13 threaded into the first air storage cylinder 12, one end of the fixed cylinder 13 penetrating the fixed mold 2 and flush with the inside of the fixed mold 2;

[0026] One end of the insert body 7 is located inside the fixed cylinder 13, and the other end of the fixed cylinder 13 is fixedly connected to the second gas storage cylinder 17. The second gas storage cylinder 17 is located inside the first gas storage cylinder 12. A cavity 16 is opened on the inner side of the inner wall of the first gas storage cylinder 12. Both the cavity 16 and the second gas storage cylinder 17 are filled with heated expansion gas. Multiple sets of gas supply pipes 21 are connected between the first gas storage cylinder 12 and the second gas storage cylinder 17. A piston block 18 is slidably connected inside the second gas storage cylinder 17. A connecting rod 19 is fixedly connected to one side of the piston block 18. The connecting rod 19 moves through the fixed cylinder 13, and a movable block 22 is fixedly installed at the other end of the connecting rod 19. The movable block 22 is located inside the fixed cylinder 13. Multiple sets of telescopic rods 23 are fixedly connected to the outside of the movable block 22. A slider 15 is connected to one end of the telescopic rod 23. Multiple sets of guide rails 14 are laid inside the fixed cylinder 13. The slider 15 is slidably connected to the guide rails 14. The slider 15 is located between the guide rails 14 and the insert body 7. The guide rails 14 have an inclined structure.

[0027] Specifically, during use, the heat-absorbing block 11 absorbs external heat, such as the heat source during mold processing. The heat is transferred to the first gas storage cylinder 12. The heated and expanding gas (such as nitrogen) in the first gas storage cylinder 12 and the second gas storage cylinder 17 expands in volume and increases in pressure due to the increase in temperature. The gas flows from the cavity 16 of the first gas storage cylinder 12 into the second gas storage cylinder 17 through the gas delivery pipe 21, pushing the piston block 18 in the second gas storage cylinder 17 to move. The piston block 18 drives the movable block 22 to move into the fixed cylinder 13 through the connecting rod 19. The telescopic rod 23 on the outside of the movable block 22 pushes the slider 15 to slide on the inclined guide rail 14. Since the guide rail 14 is an inclined structure, the sliding of the slider 15 will generate a component force along the direction of the guide rail 14. This causes the insert body 7 to be pressed into the fixed mold 2, preventing displacement of the insert during injection molding and affecting the injection molding effect. When the temperature decreases, the gas contracts and the pressure decreases. The piston block 18 moves in the opposite direction under the action of the gas pressure difference and the spring 20. The slider 15 retracts along the guide rail 14, and the fixing force of the insert body 7 is released, making it easier to remove the injection-molded workpiece with the movable mold 3. During the injection molding process, the mold temperature drive device is used to fix the insert, preventing the injection pressure from causing the insert to shift. Automatic clamping and release of the insert is achieved through temperature changes, improving the automation level of the production line. For temperature-sensitive precision parts such as electronic component inserts, thermal expansion force is used to achieve non-destructive and accurate positioning.

[0028] The movable mold 3 is fixedly connected to the back of the support frame 4. The top of the support frame 4 is provided with an injection tube 5. The injection tube 5 is connected to the movable mold 3. The movable mold 3 is provided with an injection hole 6 for use with the injection tube 5. The fixed mold 2 is provided with an injection groove 10 for use with the movable mold 3. The heat absorption block 11 is attached to the back of the injection groove 10. The heat absorption block 11 is a ring-shaped structure and is made of metal.

[0029] Specifically, the support frame 4 is fixed to the back of the movable mold 3 to provide rigid support for the injection tube 5, preventing the tube from shifting due to the pressure of the molten material during injection, ensuring that the injection hole 6 is aligned with the axis of the injection groove 10, and improving the injection accuracy. The mutual cooperation between the injection tube 5 and the movable mold 3 allows the molten material to be directly injected into the injection groove 10 of the fixed mold 2 through the injection hole 6. The support frame 4 and the movable mold 3 are fixedly connected, and the injection tube 5 can be disassembled and maintained independently, making it easy to clean the residual material in the tube and avoid blockage. The heat absorbed by the heat-absorbing block 11 is directly transferred to the first gas storage cylinder 12, driving the internal gas to expand, causing the slider 15 to squeeze the insert body 7.

[0030] A spring 20 is fixedly connected between the second air storage cylinder 17 and the piston block 18. The second air storage cylinder 17 has protrusions connected in a symmetrical structure. The piston block 18 has a sliding groove on the outside that is used to cooperate with the protrusion. A limit block is provided on the inside of the slider 15. A limit sliding groove is provided on the outside of the guide rail 14. A fixed frame 8 is fixedly installed on the top of the worktable 1 in a symmetrical structure. A sliding rod 9 is connected between the fixed frames 8. The sliding rod 9 passes through the fixed mold 2 and the movable mold 3. The movable mold 3 and the sliding rod 9 are slidably connected.

[0031] Specifically, when the heated and expanded gas cools and contracts, the spring 20 pushes the piston block 18 to move in the opposite direction, driving the connecting rod 19 and the movable block 22 to reset, so that the slider 15 releases the insert body 7, making it easier to open the mold and remove the part, reducing manual intervention. If the gas expansion pressure changes suddenly during the injection molding process, the spring 20 can absorb the instantaneous impact force, avoiding the rigid compression of the insert body 7 by the slider 15, which will cause deformation. It is especially suitable for the protection of brittle material inserts. The protrusion in the second gas storage cylinder 17 cooperates with the sliding groove of the piston block 18 to form a linear motion guide, preventing the piston block 18 from rotating or deviating, ensuring that the axial thrust of the connecting rod 19 is accurately transmitted to the slider 15, avoiding the eccentricity of the insert clamping force. The sliding rod 9 passes through the fixed mold 2 and the movable mold 3 to form a rigid guide shaft, ensuring that the movable mold 3 slides smoothly along the sliding rod 9, avoiding the misalignment of the injection groove 10 and the injection hole 6.

[0032] The working principle of this utility model is as follows:

[0033] First, the insert is clipped onto the fixed mold 2. Then, the moving mold 3 is brought into contact with the fixed mold 2 by the driving mechanism for injection molding. During this process, heat conduction triggers gas expansion. The heat-absorbing block 11 absorbs the heat source of the mold processing. The heat is transferred to the first gas storage cylinder 12 and the second gas storage cylinder 17. The gas volume increases and the pressure rises as it expands due to the heat inside the cylinder. The gas flows from the cavity 16 of the first gas storage cylinder 12 into the second gas storage cylinder 17 through the gas delivery pipe 21.

[0034] Secondly, the gas pushes the piston block 18 in the second gas storage cylinder 17 to move. The piston block 18 drives the movable block 22 to move into the fixed cylinder 13 via the connecting rod 19. The telescopic rod 23 on the outside of the movable block 22 pushes the slider 15 to slide on the inclined guide rail 14. The component force generated by the inclined structure of the guide rail 14 is used to press and fix the insert body 7 into the fixed mold 2 to prevent displacement during injection molding.

[0035] It is worth mentioning that when the gas cools and contracts, the spring 20 pushes the piston block 18 to move in the opposite direction, causing the slider 15 to reset and release the insert; the protrusion in the second gas cylinder 17 cooperates with the slide groove of the piston block 18 to ensure the linear movement of the piston block 18; the slider 15 limit block and the guide rail 14 limit slide groove to prevent the slider 15 from disengaging or moving excessively; the fixed frame 8 and the slide rod 9 ensure the smooth sliding of the movable mold 3 and ensure the precise alignment of the injection hole 6 and the injection groove 10;

[0036] Finally, during the injection molding process, the support frame 4 stabilizes the injection tube 5, allowing the molten material to be injected into the injection tank 10 through the injection hole 6 to complete the molding. As the temperature decreases and the gas contracts, the spring 20 returns to its original position, and the slider 15 releases the insert, making it easy to remove the molded workpiece, thus realizing a closed-loop process of automatic clamping and release.

[0037] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A fully automatic insert injection molding and packaging machine, comprising a worktable (1), characterized in that: A fixed mold (2) is fixedly installed on the top of the workbench (1). An insert body (7) is snapped into the fixed mold (2). A movable mold (3) is slidably connected to the other side of the top of the workbench (1). A heat-absorbing block (11) is snapped into the inside of the fixed mold (2). A first gas storage cylinder (12) is fixedly connected to one side of the heat-absorbing block (11). A fixed cylinder (13) is threaded into the first gas storage cylinder (12). One end of the fixed cylinder (13) passes through the fixed mold (2) and is flush with the inside of the fixed mold (2). One end of the insert body (7) is located inside the fixed cylinder (13), and the other end of the fixed cylinder (13) is fixedly connected to a second gas storage cylinder (17). The second gas storage cylinder (17) is located inside the first gas storage cylinder (12). A cavity (16) is opened on the inner side of the inner wall of the first gas storage cylinder (12). Both the cavity (16) and the second gas storage cylinder (17) are filled with heated expansion gas. Multiple sets of gas supply pipes (21) are connected between the first gas storage cylinder (12) and the second gas storage cylinder (17). A piston block (18) is slidably connected inside the second gas storage cylinder (17). One side of the piston block (18) is fixed. A connecting rod (19) is connected to the fixed cylinder (13), and a movable block (22) is fixedly installed at the other end of the connecting rod (19). The movable block (22) is located inside the fixed cylinder (13). Multiple sets of telescopic rods (23) are fixedly connected to the outside of the movable block (22). A slider (15) is connected to one end of the telescopic rod (23). Multiple sets of guide rails (14) are laid inside the fixed cylinder (13). The slider (15) is slidably connected to the guide rail (14). The slider (15) is located between the guide rail (14) and the insert body (7). The guide rail (14) has an inclined structure.

2. The fully automatic insert injection molding and packaging machine according to claim 1, characterized in that: The movable mold (3) is fixedly connected to a support frame (4) on the back. The support frame (4) is provided with an injection tube (5) on the top. The injection tube (5) is connected to the movable mold (3). The movable mold (3) is provided with an injection hole (6) for use with the injection tube (5). The fixed mold (2) is provided with an injection groove (10) for use with the movable mold (3).

3. The fully automatic insert injection molding and packaging machine according to claim 2, characterized in that: The heat-absorbing block (11) is attached to the back of the injection molding groove (10), and the heat-absorbing block (11) has a circular structure and is made of metal.

4. The fully automatic insert injection molding and packaging machine according to claim 3, characterized in that: A spring (20) is fixedly connected between the second air storage cylinder (17) and the piston block (18). The second air storage cylinder (17) is connected with protrusions in a symmetrical structure. The piston block (18) has a sliding groove on the outside that is used to cooperate with the protrusions.

5. The fully automatic insert injection molding and packaging machine according to claim 4, characterized in that: The slider (15) is provided with a limit block on its inner side, and the guide rail (14) is provided with a limit groove on its outer side.

6. The fully automatic insert injection molding and packaging machine according to claim 5, characterized in that: The workbench (1) has a fixed frame (8) fixedly installed on the top in a symmetrical structure. A slide rod (9) is connected between the fixed frames (8). The slide rod (9) passes through the fixed mold (2) and the movable mold (3). The movable mold (3) is slidably connected to the slide rod (9).

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