Multifunctional plastic container forming auxiliary device
By using a motor-driven mold rotation and component coordination device for multifunctional plastic container molding, the problems of uneven plastic distribution and cooling in injection molding are solved, thus achieving high-quality plastic container molding.
Patent Information
- Application Number
- CN202423263678.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Defects such as uneven wall thickness and surface cracks in plastic products caused by uneven mold design and injection pressure during injection molding.
A multi-functional plastic container molding auxiliary device is adopted, which drives the mold to rotate by a motor. Combined with locking, positioning and venting components, it ensures that the plastic raw material is evenly distributed and cooled in the mold, avoiding the problems of uneven plastic distribution and uneven cooling.
This method achieves uniform molding of plastic containers, avoids uneven wall thickness and stress cracks, and improves molding quality and mold life.
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Figure CN223589958U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the plastic container forming technical field, concretely is multifunctional plastic container forming auxiliary device. BACKGROUND
[0002] With the rapid development of modern industry, plastic products are more and more widely used in various industries, especially in the fields of packaging, automobile, household appliance, medical and agricultural, plastic materials become important choices because of its light weight, corrosion resistance, forming processability and other advantages.
[0003] Injection molding is a widely used molding process in plastic product manufacturing, its basic principle is that after the plastic particles are heated and melted, they are injected into the pre-designed mold through high pressure, and the required plastic product is formed after cooling and solidification, due to the design of the mold and the uneven pressure distribution in the injection process, the wall thickness of the product is often uneven, and cracks are formed on the surface, therefore, we propose a multifunctional plastic container forming auxiliary device. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the problems raised in the background art, the utility model provides the following technical scheme: multifunctional plastic container forming auxiliary device, including the bottom plate, the bottom plate is provided with motor, the motor output is provided with the bottom plate, the bottom plate and the bottom plate are provided with support assembly, the bottom plate is provided with movable cavity mold, the movable cavity mold is provided with top die plate, the top die plate and movable cavity mold, movable cavity mold and bottom plate are connected through locking assembly, the bottom plate is provided with mold bottom groove, the movable cavity mold is provided with mold groove, the movable cavity mold is provided with injection channel, the top die plate is provided with convex mold, the size of the convex mold is less than the mold groove, the convex mold and the mold groove have injection cavity, the top die plate, movable cavity mold and bottom plate are provided with positioning assembly, the top die plate is provided with injection port.
[0005] Preferably, the locking assembly has two groups, the two groups of locking assemblies are the same structure, the locking assembly includes rotating shaft, the rotating shaft is arranged on the top die plate and the movable cavity mold, the connecting rod is sleeved on the rotating shaft, the connecting rod is provided with buckle at the bottom, the movable cavity mold and the bottom plate are provided with clamping groove, the clamping groove is matched with the buckle, to ensure the stable connection of the top die plate and the movable cavity mold, the movable cavity mold and the bottom plate.
[0006] Preferably, the support assembly includes a plurality of columns, a plurality of columns are arranged on the bottom plate, a plurality of columns are provided with sliding block, the bottom plate is provided with annular slide rail at the bottom, the annular slide rail is matched with the sliding block, through the cooperation of the annular slide rail and the sliding block, it ensures that the bottom plate can rotate smoothly, avoids the mold from being stuck or running unevenly due to unstable support.
[0007] Preferably, the positioning assembly comprises positioning columns arranged on the top die plate, the movable cavity die and the bottom die plate are provided with positioning holes matched with the positioning columns, so that the top die plate, the movable cavity die and the bottom die plate are accurately connected, and forming defects caused by misalignment of the mold are avoided.
[0008] Preferably, the top die plate is provided with exhaust holes for exhausting gas generated in the forming process, so that the forming quality is not affected by the accumulation of bubbles or gas.
[0009] Preferably, the bottom die plate, the movable cavity die and the top die plate are made of aluminum alloy or stainless steel, which has strong corrosion resistance and high temperature resistance, and is particularly suitable for use in high temperature and high pressure environments, thereby prolonging the service life of the mold.
[0010] Compared with the prior art, the utility model has the advantages that:
[0011] When working, the top die plate, the movable cavity die and the bottom die plate are firmly connected through the locking assembly, the positioning columns are inserted into the positioning holes on the movable cavity die and the bottom die plate, the position accuracy between the top die plate, the movable cavity die and the bottom die plate is ensured, misalignment in the injection molding process is avoided, the entire mold is in a sealed state, and preparation for injection molding is carried out, the molten plastic particles are injected into the injection molding channel from the injection port, the injection molding channel guides the raw materials through the mold groove and into the mold cavity, and at the same time, the motor is started, the bottom die plate starts to rotate, drives the mold to rotate, and makes the plastic raw materials uniformly distributed in the mold, so that the injected plastic fluid can uniformly expand along the mold cavity, thereby avoiding defects such as uneven distribution of plastic, bubbles and stress cracks caused by static injection, and in the process of injecting plastic, air and gas are discharged through the exhaust holes, the plastic raw materials gradually fill the entire mold cavity, and after the injection molding is completed, the plastic raw materials start to cool and solidify in the mold, since the mold is in a rotating state, the plastic container can be more uniformly cooled during the molding process, deformation caused by uneven cooling is prevented, and after the plastic is completely cooled and solidified, demolding is prepared, the motor stops working, the bottom die plate stops rotating, and the locking assembly is unlocked, the connection between the movable cavity die and the top die plate is removed first, the positioning assembly is also released, the top die plate moves upward first and is separated from the mold, and then the movable cavity die also moves upward and removes the plastic container, the molded plastic container is taken out from the mold bottom groove and enters subsequent finishing and other processing links, and after cleaning is completed, the equipment and the mold start to circulate again, and the next round of plastic container injection molding is continued, so that the plastic can flow uniformly in the mold cavity, and the problems of uneven plastic flow and uneven wall thickness in traditional injection molding are avoided. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings are used to provide further understanding of the present application and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:
[0013] Figure 1 It is a partial structure schematic view of the present application;
[0014] Figure 2 It is an overall front view structure schematic view of the present application;
[0015] Figure 3 It is a bottom view structure schematic view of the present application;
[0016] Figure 4 It is an injection cavity structure schematic view of the present application;
[0017] In the drawings: 1, bottom plate; 2, motor; 3, bottom die plate; 4, movable concave die; 5, top die plate; 6, rotating shaft; 7, connecting rod; 8, buckle; 9, clamping groove; 10, die bottom groove; 11, die groove; 12, injection channel; 13, convex die; 14, stand column; 15, annular slide rail; 16, sliding block; 17, injection port; 18, exhaust hole; 19, positioning column; 20, positioning hole. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] By Figures 1-4 The present application is given, and the present application comprises a bottom plate 1, the bottom plate 1 is provided with a motor 2, the motor 2 output end is provided with a bottom die plate 3, the bottom plate 1 and the bottom die plate 3 are provided with a support assembly, the bottom die plate 3 is provided with a movable concave die 4, the movable concave die 4 is provided with a top die plate 5, the top die plate 5 and the movable concave die 4, the movable concave die 4 and the bottom die plate 3 are connected through a locking assembly, the bottom die plate 3 is provided with a die bottom groove 10, the movable concave die 4 is provided with a die groove 11, the movable concave die 4 is provided with an injection channel 12, the top die plate 5 is provided with a convex die 13, the size of the convex die 13 is less than the die groove 11, the convex die 13 and the die groove 11 have an injection cavity, the top die plate 5, the movable concave die 4 and the bottom die plate 3 are provided with a positioning assembly, and the top die plate 5 is provided with an injection port 17.
[0020] The locking assembly has two groups, and the two groups of locking assembly structures are same. The locking assembly comprises a rotating shaft 6 arranged on the top die plate 5 and the movable die 4. A connecting rod 7 is sleeved on the rotating shaft 6. A buckle 8 is arranged at the bottom of the connecting rod 7. The movable die 4 and the bottom die plate 3 are provided with a clamping groove 9 matched with the buckle 8, so as to ensure the stable connection of the top die plate 5 and the movable die 4 and the stable connection of the movable die 4 and the bottom die plate 3.
[0021] The supporting assembly comprises a plurality of columns 14 arranged on the bottom plate 1. The plurality of columns 14 are provided with a sliding block 16. The bottom die plate 3 is provided with an annular slide rail 15 matched with the sliding block 16. The cooperation of the annular slide rail 15 and the sliding block 16 ensures that the bottom die plate 3 can rotate stably, and avoids mold jamming or uneven running caused by unstable support.
[0022] The positioning assembly comprises a positioning column 19 arranged on the top die plate 5. The movable die 4 and the bottom die plate 3 are provided with a positioning hole 20 matched with the positioning column 19, so as to ensure the accurate butt joint of the top die plate 5, the movable die 4 and the bottom die plate 3, and avoid forming defects caused by misplacement of the mold.
[0023] The top die plate 5 is provided with an exhaust hole 18 for exhausting the gas generated in the molding process, so as to prevent bubbles or gas accumulation from affecting the molding quality.
[0024] The bottom die plate 3, the movable die 4 and the top die plate 5 are made of aluminum alloy or stainless steel material, which has strong corrosion resistance and high temperature resistance, and is particularly suitable for use in high temperature and high pressure environment, thereby prolonging the service life of the mold.
[0025] Working principle: when working, the top die plate 5, the movable cavity die 4 and the bottom die plate 3 are firmly connected through the locking assembly, the positioning column 19 is inserted into the positioning hole 20 on the movable cavity die 4 and the bottom die plate 3, the position accuracy between the top die plate 5, the movable cavity die 4 and the bottom die plate 3 is ensured, the dislocation in the injection molding process is avoided, the whole mold is in a closed state, ready for injection molding, the melted plastic particles are injected from the injection port 17 into the injection channel 12, the injection channel 12 guides the raw materials through the mold groove 11 into the mold cavity, at the same time, the motor 2 starts to work, the bottom die plate 3 starts to rotate to drive the mold to rotate, so that the plastic raw materials are uniformly distributed in the mold, ensuring that the injected plastic fluid can uniformly expand along the mold cavity, thereby avoiding defects such as uneven distribution of plastic, bubbles and stress cracks caused by static injection, in the process of injecting plastic, air and gas are discharged through the exhaust hole 18, the plastic raw materials gradually fill the whole mold cavity, after the injection molding is completed, the plastic raw materials start to cool and solidify in the mold, since the mold is in a rotating state, the plastic container can be more uniformly cooled during the molding process, preventing deformation caused by uneven cooling, after the plastic is completely cooled and solidified, the demolding is ready, the motor 2 stops working, the bottom die plate 3 stops rotating, the locking assembly is unlocked, first, the connection between the movable cavity die 4 and the top die plate 5 is removed, the positioning assembly is also released, the top die plate 5 moves upward first, separates from the mold, then the movable cavity die 4 also moves upward, and the plastic container is removed, the molded plastic container is taken out from the mold bottom groove 10 and enters the subsequent finishing and other processing links, after cleaning is completed, the equipment and the mold start to circulate again, and the next round of plastic container injection molding is continued, so that the plastic can flow uniformly in the mold cavity, avoiding the uneven plastic flow and uneven wall thickness in the traditional injection molding.
[0026] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.
[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. Multifunctional auxiliary device for the forming of plastic containers, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a motor (2), the output end of the motor (2) is provided with a bottom die plate (3), the bottom plate (1) and the bottom die plate (3) are provided with a supporting assembly, the bottom die plate (3) is provided with a movable die (4), the movable die (4) is provided with a top die plate (5), the top die plate (5) and the movable die (4), the movable die (4) and the bottom die plate (3) are connected through a locking assembly, the bottom die plate (3) is provided with a mold bottom groove (10), the movable die (4) is provided with a mold groove (11), the movable die (4) is provided with an injection channel (12), the top die plate (5) is provided with a male die (13), the size of the male die (13) is smaller than the mold groove (11), the male die (13) and the mold groove (11) have an injection cavity, the top die plate (5), the movable die (4) and the bottom die plate (3) are provided with a positioning assembly, and the top die plate (5) is provided with an injection port (17).
2. The multi-functional plastic container forming aid of claim 1, wherein: The locking assembly has two groups, the two groups of locking assemblies are the same in structure, the locking assembly comprises a rotating shaft (6), the rotating shaft (6) is arranged on the top die plate (5) and the movable die (4), the rotating shaft (6) is sleeved with a connecting rod (7), the bottom of the connecting rod (7) is provided with a buckle (8), the movable die (4) and the bottom die plate (3) are provided with a clamping groove (9), and the clamping groove (9) is matched with the buckle (8).
3. The multi-functional plastic container forming aid of claim 2, wherein: The supporting assembly comprises a stand column (14), a plurality of stand columns (14) are arranged on the bottom plate (1), a plurality of sliding blocks (16) are arranged on the plurality of stand columns (14), and the bottom of the bottom die plate (3) is provided with an annular sliding rail (15).
4. The multi-functional plastic container forming aid of claim 3, wherein: The positioning assembly comprises a positioning column (19), the positioning column (19) is arranged on the top die plate (5), the movable die (4) and the bottom die plate (3) are provided with a positioning hole (20), and the positioning hole (20) is matched with the positioning column (19).
5. The multi-functional plastic container forming aid of claim 4, wherein: The top die plate (5) is provided with an exhaust hole (18).
6. The multi-functional plastic container forming aid of claim 5, wherein: The bottom die plate (3), the movable die (4) and the top die plate (5) are made of aluminum alloy or stainless steel.