A modified material multi-stage injection molding machine

Abstract

This utility model relates to the field of injection molding machine technology and discloses a multi-stage injection molding machine for modified materials, including a processing table. A first support and a second support are provided on the upper surface of the processing table. A connecting frame is fixedly connected to the upper surface of the processing table. A material conveying pipe is fixedly connected to the outer wall of the first support, and a filter assembly is fixedly connected to the outer wall of the second support. A connecting component is provided inside the connecting frame. The filter assembly includes a filter tube and a filter screen. A feeding tank is fixedly connected to the outer wall of the second support. An installation ring is provided on the upper surface of the filter tube, and a feeding cover is provided on the upper surface of the feeding tank. In this utility model, the filter assembly dynamically filters the modified material by rotating the filter tube and driving the internal filter screen. The material enters the rotating filter tube from the feeding tank. The filter screen automatically intercepts impurities under centrifugal force, preventing clogging of the mesh. When cleaning or replacing the filter screen, simply open the feeding cover and remove the installation ring to quickly disassemble and install the filter screen, simplifying the maintenance process.

Description

Technical Field

[0001] This utility model relates to the field of injection molding machine technology, and in particular to a multi-stage injection molding machine for modified materials. Background Technology

[0002] Modified material multi-stage injection molding machines are core equipment in the field of precision injection molding and are widely used in high-end manufacturing industries such as automotive parts and electronic packaging. These machines need to process composite plastic raw materials with added reinforcing fibers, flame retardants and other modifiers. They have extremely high requirements for the purity of raw materials and the continuity of the injection molding process. In the multi-stage injection molding process, the fine filtration of raw materials and the efficient switching of molds directly determine the product yield and production efficiency.

[0003] In existing technologies, modified material filtration mainly relies on fixed filter screen structures. A single-layer static filter screen is vertically installed at the bottom of the feeding tank. The raw material passively passes through the filter screen holes by gravity settling or the thrust of the auger conveyor. Impurities are trapped on the filter screen surface and form an accumulation layer. It is necessary to stop the machine periodically to remove the tank flange bolts to take out the filter screen for manual cleaning. Some equipment adopts a dual-filter screen alternating switching design, but it is still necessary to manually operate the valve to switch the filtration path and disassemble the filter screen assembly.

[0004] However, when static filters continuously filter high-viscosity modified materials, the rapid accumulation of impurities can severely clog the mesh, leading to a sharp drop in the material throughput. Frequent downtime for maintenance not only interrupts the production process, but also requires multiple people to work together to clean or replace the filter, significantly extending the time required for each maintenance. This problem directly restricts the continuity of the multi-stage injection molding process and the overall production efficiency. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a modified material multi-stage injection molding machine, which aims to improve the problem of static filter screens being prone to accumulation and clogging.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a modified material multi-stage injection molding machine, comprising a processing table, a support first fixedly connected to the upper surface of the processing table, a connecting frame fixedly connected to the upper surface of the processing table, a material conveying pipe fixedly connected to the outer wall of the support first, a support second fixedly connected to the upper surface of the support first, a filter assembly fixedly connected to the outer wall of the support second, and a connecting assembly provided inside the connecting frame;

[0007] The filter assembly includes a filter tube and a filter screen. A feeding tank is fixedly connected to the outer wall of the second support. The outer wall of the filter tube is rotatably connected to the inner wall of the feeding tank. The filter screen is disposed inside the filter tube. An installation ring is provided on the upper surface of the filter tube. A feeding cover is provided on the upper surface of the feeding tank. A spur gear is fixedly connected to the outer wall of the filter tube. A drive assembly is provided on the outer wall of the filter tube.

[0008] Furthermore, the connecting assembly includes a connecting block and a claw, a connecting plate is provided inside the connecting frame, the outer wall of the claw is rotatably connected to the inner wall of the connecting plate, a mold one is fixedly connected inside the connecting frame, a mold two is provided inside the connecting frame, one end of the connecting block is fixedly connected to the outer wall of the mold two, and the claw engages with the connecting block.

[0009] Furthermore, a first bevel gear is provided inside the connecting plate, and a second bevel gear is provided inside the connecting plate. The first bevel gear and the second bevel gear are meshed and connected. A handle is rotatably connected to the inner wall of the connecting plate, and the outer wall of the handle is fixedly connected to the inner wall of the second bevel gear.

[0010] Furthermore, a locking rod is provided inside the connecting plate, and a spring is provided inside the connecting plate, with one end of the spring fixedly connected to one end of the locking rod.

[0011] Furthermore, a hydraulic rod is fixedly connected to the upper surface of the processing table, and the output end of the hydraulic rod is fixedly connected to the outer wall of the connecting plate.

[0012] Furthermore, the material conveying pipe is equipped with a auger blade inside, and an injection nozzle is fixedly connected to one end of the material conveying pipe.

[0013] Furthermore, the drive assembly includes a motor, which is disposed inside the bracket two.

[0014] Furthermore, a spur gear is provided inside the second bracket, and the first spur gear meshes with the second spur gear.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, the filter assembly dynamically filters the modified material by rotating the filter tube and driving the internal filter screen. The material enters the rotating filter tube from the feeding tank, and the filter screen automatically intercepts impurities under centrifugal force to avoid clogging the mesh. When the filter screen needs to be cleaned or replaced, the filter screen can be quickly disassembled by simply opening the feeding cover and removing the mounting ring. This design significantly improves the filtration efficiency, ensures the purity of the raw materials, and simplifies the maintenance process.

[0017] 2. In this utility model, the connecting component uses the mechanical interlock between the claw and the connecting block to achieve quick assembly and disassembly of the mold. The hydraulic rod pushes the connecting plate to make the claw engage with the connecting block of the second mold, so as to achieve a tight connection between the first mold and the second mold. By rotating the hand lever to drive the bevel gear to adjust the opening and closing of the claw, and with the help of the spring to push and lock the position of the locking rod, this structure greatly shortens the mold change time and improves the connection efficiency of multi-stage injection molding processes. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a multi-stage injection molding machine for modified materials proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the auger blade structure of a modified material multi-stage injection molding machine proposed in this utility model;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the connecting plate structure of a multi-stage injection molding machine for modified materials proposed in this utility model;

[0022] Figure 5 for Figure 4 Enlarged diagram of point B in the middle.

[0023] Legend:

[0024] 1. Processing table; 2. Support 1; 3. Feed pipe; 4. Screw blade; 5. Injection nozzle; 6. Support 2; 7. Motor; 8. Spur gear 1; 9. Feed tank; 10. Spur gear 2; 11. Filter tube; 12. Filter screen; 13. Mounting ring; 14. Feed cover; 15. Connecting frame; 16. Mold 1; 17. Mold 2; 18. Hydraulic rod; 19. Connecting block; 20. Connecting plate; 21. Claw; 22. Bevel gear 1; 23. Bevel gear 2; 24. Hand lever; 25. Clamping rod; 26. Spring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figures 1-5This utility model provides an embodiment of a modified material multi-stage injection molding machine, including a processing table 1. A support 1 2 is fixedly connected to the upper surface of the processing table 1, and a connecting frame 15 is fixedly connected to the upper surface of the processing table 1. A material conveying pipe 3 is fixedly connected to the outer wall of the support 1 2 to convey raw materials. A support 2 6 is fixedly connected to the upper surface of the support 1 2 to fix a filtration system. A filter assembly is fixedly connected to the outer wall of the support 2 6 to realize centrifugal filtration and actively separate impurities. A connecting assembly is provided inside the connecting frame 15. The filter assembly includes a filter tube 11 and a filter screen 12. A feeding tank 9 is fixedly connected to the outer wall of the support 2 6. The outer wall of the filter tube 11 is rotatably connected. The filter screen 12 is installed inside the filter tube 11 and attached to the inner wall of the feeding tank 9 to intercept impurities. An installation ring 13 is provided on the upper surface of the filter tube 11 for quick installation and removal of the filter screen 12. A feeding cover 14 is provided on the upper surface of the feeding tank 9 for easy feeding. A spur gear 10 is fixedly connected to the outer wall of the filter tube 11 to transmit power. A drive assembly is provided on the outer wall of the filter tube 11. The connecting assembly includes a connecting block 19 and a jaw 21 for mechanical locking. A connecting plate 20 is provided inside the connecting frame 15. The outer wall of the jaw 21 is rotatably connected to the inner wall of the connecting plate 20, converting linear displacement into the opening and closing action of the jaw 21. The connecting frame 15 is fixedly connected to... There is a mold 16, and a connecting frame 15 has a mold 27 inside. One end of a connecting block 19 is fixedly connected to the outer wall of the mold 27 to provide a locking point for the claw 21. The claw 21 engages with the connecting block 19 to ensure mold closure. A bevel gear 1 22 and a bevel gear 23 are installed inside the connecting plate 20. The bevel gear 1 22 and the bevel gear 23 mesh with each other. A lever 24 is rotatably connected to the inner wall of the connecting plate 20. The outer wall of the lever 24 is fixedly connected to the inner wall of the bevel gear 23. A locking rod 25 is installed inside the connecting plate 20 to lock the position of the claw 21 to prevent accidental loosening. A spring 26 is installed inside the connecting plate 20. The spring 26 automatically resets the clamping rod 25. One end of the spring 26 is fixedly connected to one end of the clamping rod 25. A hydraulic rod 18 is fixedly connected to the upper surface of the processing table 1. The output end of the hydraulic rod 18 is fixedly connected to the outer wall of the connecting plate 20. A auger blade 4 is installed inside the material conveying pipe 3. The rotating blade propels the raw material to ensure continuous and stable material supply. An injection nozzle 5 is fixedly connected to one end of the material conveying pipe 3 to guide the molten raw material into the mold cavity. The drive assembly includes a motor 7. The motor 7 is installed inside the bracket 2 6. A spur gear 1 8 is installed inside the bracket 2 6. The spur gear 1 8 meshes with the spur gear 2 10.

[0027] Working principle: When using this type of modified material multi-stage injection molding machine, the operator first opens the feeding cover 14 of the feeding tank 9 on the processing table 1, puts the modified material into the tank, and after the motor 7 starts, it drives the spur gear 8 in the upper bracket 1 2 and the upper bracket 2 6 to rotate. Through meshing, the spur gear 2 10 on the outer wall of the filter tube 11 is driven to rotate the filter tube 11 in the feeding tank 9. The internal filter screen 12 dynamically intercepts impurities under the action of centrifugal force. When replacing the filter screen 12, open the feeding cover 14, remove the mounting ring 13, replace the internal filter screen 12, and then reverse the operation to complete the installation. The filtered material is then ready for use. The raw material falls into the conveying pipe 3. The auger blade 4 inside the conveying pipe 3 rotates and pushes the raw material to the injection nozzle 5, which is injected into the cavity formed by mold one 16 and mold two 17 in the connecting frame 15. When switching molds, the hydraulic rod 18 pushes the connecting plate 20 to move, so that the claw 21 engages with the connecting block 19 of mold two 17, realizing precise docking of the two molds. The hand lever 24 drives bevel gear one 22 to mesh with bevel gear two 23, adjusts the opening and closing angle of the claw 21, and the spring 26 pushes the locking rod 25 to lock the position. After the injection is completed, the reverse operation can be used to quickly separate mold two 17 for replacement.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A modified material multi-stage injection molding machine, comprising a processing table (1), characterized in that: The upper surface of the processing table (1) is fixedly connected to a support (2), the upper surface of the processing table (1) is fixedly connected to a connecting frame (15), the outer wall of the support (2) is fixedly connected to a material conveying pipe (3), the upper surface of the support (2) is fixedly connected to a support (6), the outer wall of the support (6) is fixedly connected to a filter assembly, and the connecting frame (15) is provided with a connecting assembly inside; The filter assembly includes a filter tube (11) and a filter screen (12). The outer wall of the support bracket (6) is fixedly connected to a feeding tank (9). The outer wall of the filter tube (11) is rotatably connected to the inner wall of the feeding tank (9). The filter screen (12) is disposed inside the filter tube (11). An installation ring (13) is disposed on the upper surface of the filter tube (11). A feeding cover (14) is disposed on the upper surface of the feeding tank (9). A spur gear (10) is fixedly connected to the outer wall of the filter tube (11). A drive assembly is disposed on the outer wall of the filter tube (11).

2. The modified material multi-stage injection molding machine according to claim 1, characterized in that: The connecting assembly includes a connecting block (19) and a claw (21). A connecting plate (20) is provided inside the connecting frame (15). The outer wall of the claw (21) is rotatably connected to the inner wall of the connecting plate (20). A mold (16) is fixedly connected inside the connecting frame (15). A mold (17) is provided inside the connecting frame (15). One end of the connecting block (19) is fixedly connected to the outer wall of the mold (17). The claw (21) engages with the connecting block (19).

3. A multi-stage injection molding machine for modified materials according to claim 2, characterized in that: The connecting plate (20) is provided with a bevel gear one (22) and a bevel gear two (23). The bevel gear one (22) and the bevel gear two (23) are meshed and connected. The inner wall of the connecting plate (20) is rotatably connected with a handle (24), and the outer wall of the handle (24) is fixedly connected to the inner wall of the bevel gear two (23).

4. A multi-stage injection molding machine for modified materials according to claim 3, characterized in that: The connecting plate (20) is provided with a locking rod (25) inside, and a spring (26) is provided inside the connecting plate (20). One end of the spring (26) is fixedly connected to one end of the locking rod (25).

5. A modified material multi-stage injection molding machine according to claim 2, characterized in that: A hydraulic rod (18) is fixedly connected to the upper surface of the processing table (1), and the output end of the hydraulic rod (18) is fixedly connected to the outer wall of the connecting plate (20).

6. A multi-stage injection molding machine for modified materials according to claim 1, characterized in that: The material conveying pipe (3) is equipped with a dragon blade (4) inside, and an injection nozzle (5) is fixedly connected to one end of the material conveying pipe (3).

7. A multi-stage injection molding machine for modified materials according to claim 1, characterized in that: The drive assembly includes a motor (7), which is disposed inside the bracket (6).

8. A multi-stage injection molding machine for modified materials according to claim 7, characterized in that: The bracket 2 (6) is provided with a spur gear 1 (8) inside, and the spur gear 1 (8) meshes with the spur gear 2 (10).

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