Plastic injection molding opening device capable of preventing blockage
By designing an anti-blocking injection molding port device on the injection molding machine, using components such as coil springs, semicircular baffles and magnets, the injection molding port is automatically closed when not in use, which solves the problem of easy blockage of the injection molding port and improves the equipment efficiency.
Patent Information
- Application Number
- CN202421318947.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-11
AI Technical Summary
After the existing injection molding machine is used, the injection molding port is easily blocked due to the contact between residual materials and cold air, which affects the efficiency of the equipment.
A plastic injection molding port device is designed to prevent clogging, using components such as coil springs, semicircular baffles, magnets, etc., to ensure that the injection molding port is automatically closed when not in use, and preventing the material from being cooled and solidified.
It effectively avoids the problem of blockage of the injection molding port due to the contact between the materials and the cold air, improves the production efficiency of the equipment, and ensures convenience and quick operation.
Smart Images
Figure CN222792655U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of injection molding equipment, and more specifically, particularly relates to a plastic injection molding port device capable of preventing blockage. Background Art
[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. Injection molding machines can be divided into vertical, horizontal and vertical-horizontal composite types according to the arrangement of the injection device and the clamping device. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it eject and fill the mold cavity.
[0003] Based on the above, the inventors have discovered the following problem: after use, the injection port of some current injection molding machines is always in an open state. At this time, the residual material in the injection port comes into contact with the external cold air, and is solidified by cooling, causing the injection port to be easily blocked, affecting the production efficiency of the equipment.
[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a plastic injection port device that prevents blockage is provided, in order to achieve a purpose with greater practical value. Utility Model Content
[0005] The purpose and effect of the plastic injection molding port device for preventing blockage in the utility model are achieved by the following specific technical means:
[0006] A plastic injection molding port device for preventing blockage comprises a workbench, wherein a plurality of fixing rings are installed on the upper end surface of the workbench, a feed pipe is arranged inside the fixing ring, a motor is installed at one end of the feed pipe, an output end of the motor passes through the feed pipe to an interior where a spiral conveying rod is installed, a hopper is installed on the top of a side of the feed pipe close to the motor, a discharge pipe is installed on a side of the feed pipe away from the motor, an injection molding port is installed on one side of the discharge pipe, and a closing component is arranged on the periphery of the injection molding port.
[0007] Furthermore, the closure assembly includes a group of connecting parts arranged at the periphery of the injection port, a rotating shaft is installed at one end of the connecting part, a coil spring is arranged on the rotating shaft, and a semicircular baffle is installed on the rotating shaft.
[0008] Furthermore, magnet one and magnet two are respectively installed on one side of the semicircular baffle.
[0009] Furthermore, the magnet one and the magnet two are connected magnetically.
[0010] Furthermore, a group of fixed blocks are installed on one side of the discharge pipe, a chamber 1 is opened inside the fixed block, a spring 1 is installed on one side of the chamber 1, the end of the spring 1 is connected to a limiting plate, a moving rod is installed on one side of the limiting plate, a rotating rod is installed on one side of the moving rod through a hinge seat, and the end of the rotating rod is connected to a semicircular baffle through a hinge seat.
[0011] Furthermore, a second chamber is opened inside the moving rod, a second spring is arranged inside the second chamber, a group of connecting plates are connected to both ends of the second spring, a trapezoidal block is installed on one side of the connecting plate, and one end of the trapezoidal block passes through the moving rod to the outside.
[0012] Furthermore, a chamber three is opened inside the fixed block, a pressing block is arranged on one side of the fixed block, one end of the pressing block passes through the fixed block to the inside of chamber three where a limiting block is installed, an extrusion rod is installed on one side of the limiting block, a spring three is sleeved on the extrusion rod, and the end of the extrusion rod passes through chamber three to the inside of chamber one.
[0013] Furthermore, a limiting ring is provided on the outer sleeve of the injection port.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] Through the coordinated use of the coil spring, the semicircular baffle, the magnet one and the magnet two, after the injection molding machine is used, the semicircular baffle is reset by the force of the coil spring, and the magnet one and the magnet two are magnetically connected, so that the semicircular baffle is closed, thereby avoiding the problem of residual material in the injection port being cooled and solidified by contact with external cold air, thereby clogging the injection port.
[0016] By using the moving rod, the limit plate, the spring one, the rotating rod, the spring two, the connecting plate and the trapezoidal block, when the injection molding machine needs to be used, the moving rod is pressed, and the moving rod drives the limit plate to move toward the inner side of the chamber one and squeeze the spring one, and then the rotating rod pulls the semicircular baffle to open and be perpendicular to the injection port, and at the same time, the inclined surfaces of a group of trapezoidal blocks are squeezed by the squeezing force on both sides of the fixed block and move toward the inner side of the chamber two, and then a group of connecting plates make relative movement and squeeze the spring two, and when the trapezoidal block completely enters the chamber one, the spring two rebounds, and then the trapezoidal block and one side of the chamber one are engaged with each other, and at this time the moving rod is fixed, and then the semicircular baffle is always open, which is convenient for the use of the injection port and the operation is convenient and quick.
[0017] By using the pressing block, the limit block, the spring three and the extrusion rod in coordination, after the injection molding machine is used, the pressing block is pushed, the pressing block pushes the limit block to move inside the chamber three and squeezes the spring three, the extrusion rod pushes the trapezoidal block to move inside the chamber two, at this time the spring one rebounds and pushes the moving rod to move outside the chamber one, the inclination angle of the rotating rod changes, the semicircular baffle is reset by the force of the coil spring, at this time the magnet one and the magnet two on one side of a group of semicircular baffles are connected by magnetism, and then the semicircular baffle is closed so that the injection port is in a closed state when not in use.
[0018] The design of the limit ring avoids the problem of excessive penetration of the injection port and the mold, which causes damage to the mold and the semicircular baffle. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 The utility model is a three-dimensional schematic diagram of a plastic injection port device for preventing blockage.
[0020] Figure 2 The utility model is a schematic diagram of the local structure of a plastic injection port device for preventing blockage.
[0021] Figure 3 The utility model is a plan view of a closure component of a plastic injection molding port device for preventing blockage.
[0022] Figure 4 The utility model is a plastic injection molding device for preventing blockage. Figure 3 Enlarged schematic diagram of point A in the middle.
[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0024] 1. Workbench; 2. Fixed ring; 3. Feed pipe; 4. Motor; 5. Hopper; 6. Discharge pipe; 7. Screw conveyor rod; 8. Injection port; 9. Connector; 10. Rotating shaft; 11. Semicircular baffle; 12. Fixed block; 13. Limiting ring; 14. Magnet 1; 15. Magnet 2; 16. Chamber 1; 17. Spring 1; 18. Limiting plate; 19. Moving rod; 20. Rotating rod; 21. Chamber 2; 22. Spring 2; 23. Connecting plate; 24. Trapezoidal block; 25. Pressing block; 26. Chamber 3; 27. Limiting block; 28. Spring 3; 29. Extrusion rod. DETAILED DESCRIPTION
[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] Example:
[0029] As attached Figure 1 To Attachment Figure 4 As shown:
[0030] The utility model provides a plastic injection molding device for preventing blockage, comprising a workbench 1, wherein a plurality of fixing rings 2 are installed on the upper end surface of the workbench 1, a feeding pipe 3 is arranged inside the fixing ring 2, a motor 4 is installed at one end of the feeding pipe 3, an output end of the motor 4 passes through the feeding pipe 3 to the inside of which a spiral conveying rod 7 is installed, a hopper 5 is installed on the top of the feeding pipe 3 on the side close to the motor 4, a discharge pipe 6 is installed on the side of the feeding pipe 3 away from the motor 4, an injection molding port 8 is installed on one side of the discharge pipe 6, and a closing component is arranged on the periphery of the injection molding port 8.
[0031] Among them, the closing component includes a group of connecting parts 9 arranged on the periphery of the injection port 8, a rotating shaft 10 is installed at one end of the connecting part 9, a coil spring is arranged on the rotating shaft 10, and a semicircular baffle 11 is installed on the rotating shaft 10. Through the coordinated use of the coil spring and the semicircular baffle 11, when the injection molding machine is used, the semicircular baffle 11 is reset by the force of the coil spring, and the magnet 14 and the magnet 2 15 are connected by magnetism, so that the semicircular baffle 11 is closed, thereby avoiding the problem that the residual material in the injection port 8 is contacted with the external cold air and solidified by cooling, thereby blocking the injection port 8.
[0032] Wherein, a magnet 14 and a magnet 2 15 are respectively installed on one side of the semicircular baffle 11.
[0033] Wherein, the magnet 14 and the magnet 2 15 are connected magnetically.
[0034] Among them, a group of fixed blocks 12 are installed on one side of the discharge pipe 6, and a chamber 16 is opened inside the fixed block 12, and a spring 17 is installed on one side of the chamber 16. The end of the spring 17 is connected to a limiting plate 18, and a moving rod 19 is installed on one side of the limiting plate 18. A rotating rod 20 is installed on one side of the moving rod 19 through a hinge seat, and the end of the rotating rod 20 is connected to a semicircular baffle 11 through a hinge seat. Through the use of the moving rod 19, the limiting plate 18, the spring 17 and the rotating rod 20, when the injection molding machine needs to be used, the moving rod 19 is pressed, and the moving rod 19 drives the limiting plate 18 to move toward the inside of the chamber 16 and squeeze the spring 17, and then the rotating rod 20 pulls the semicircular baffle 11 to open and be perpendicular to the injection port 8, so that the injection port 8 can be exposed and used, and the operation is convenient and quick.
[0035] Among them, a chamber 21 is opened inside the moving rod 19, and a spring 22 is arranged inside the chamber 21. A group of connecting plates 23 are connected to both ends of the spring 22. A trapezoidal block 24 is installed on one side of the connecting plate 23. One end of the trapezoidal block 24 passes through the moving rod 19 to the outside. Through the coordinated use of the spring 22, the connecting plate 23 and the trapezoidal block 24, when the moving rod 19 moves toward the inside of the chamber 16, the inclined surfaces of a group of trapezoidal blocks 24 are squeezed by the squeezing force on both sides of the fixed block 12 and move toward the inside of the chamber 21, and then a group of connecting plates 23 make relative movement and squeeze the spring 22. When the trapezoidal block 24 completely enters the chamber 16, the spring 22 rebounds, and then the trapezoidal block 24 and one side of the chamber 16 are engaged with each other. At this time, the moving rod 19 is fixed, and then the semicircular baffle 11 is always open, which is convenient for the use of the injection port 8.
[0036] Among them, the interior of the fixed block 12 is provided with a chamber three 26, and a pressing block 25 is arranged on one side of the fixed block 12. One end of the pressing block 25 passes through the fixed block 12 to the interior of the chamber three 26, and a limit block 27 is installed. An extrusion rod 29 is installed on one side of the limit block 27. A spring three 28 is sleeved on the extrusion rod 29. The end of the extrusion rod 29 passes through the chamber three 26 to the interior of the chamber one 16. Through the cooperation of the pressing block 25, the limit block 27, the spring three 28 and the extrusion rod 29, when the injection molding machine is used, , pushing the pressing block 25, the pressing block 25 pushes the limit block 27 to move inside the chamber three 26 and squeezes the spring three 28, the squeezing rod 29 pushes the trapezoidal block 24 to move inside the chamber two 21, at this time the spring one 17 rebounds and pushes the moving rod 19 to move outside the chamber one 16, the inclination angle of the rotating rod 20 changes, and the semicircular baffle 11 is reset by the force of the coil spring. At this time, the magnet one 14 and the magnet two 15 on one side of a group of semicircular baffles 11 are connected by magnetism, and then the semicircular baffle 11 is closed and the injection port 8 is separated from the external cold air.
[0037] The outer sleeve of the injection port 8 is provided with a limiting ring 13. The limiting ring 13 is designed to avoid the problem that the injection port 8 is too deep when docking with the mold, causing the mold to contact and be damaged by the semicircular baffle 11.
[0038] The specific usage and function of this embodiment are as follows:
[0039] First, check the integrity of the device and use it only after confirming that it is correct. When the injection molding machine needs to be used, press the moving rod 19, and the moving rod 19 drives the limit plate 18 to move to the inside of the chamber 16 and squeeze the spring 17, and then the rotating rod 20 pulls the semicircular baffle 11 to open and be perpendicular to the injection port 8, so that the injection port 8 can be exposed and used. At the same time, the inclined surfaces of a group of trapezoidal blocks 24 on the moving rod 19 are squeezed by the squeezing force on both sides of the fixed block 12 and move to the inside of the chamber 21, and then a group of connecting plates 23 make relative movement and squeeze the spring 22. When the trapezoidal block 24 completely enters the chamber 16, the spring 22 rebounds, and then the trapezoidal block 24 and one side of the chamber 16 are engaged with each other. At this time, the moving rod 1 9 is fixed, so that the semicircular baffle 11 is always open, which is convenient for the use of the injection molding port 8. After the injection molding machine is used, the pressing block 25 is pushed, and the pressing block 25 pushes the limit block 27 to move inside the chamber three 26 and squeezes the spring three 28. The squeezing rod 29 pushes the trapezoidal block 24 to move inside the chamber two 21. At this time, the spring one 17 rebounds and pushes the moving rod 19 to move outside the chamber one 16. The inclination angle of the rotating rod 20 changes, and the semicircular baffle 11 is reset by the force of the coil spring. At this time, the magnet one 14 and the magnet two 15 on one side of a group of semicircular baffles 11 are connected by magnetism, and then the semicircular baffle 11 is closed, avoiding the problem that the residual material in the injection molding port 8 is in contact with the external cold air and solidified by cooling, thereby blocking the injection molding port 8.
[0040] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
Claims
1. A plastic injection molding port device for preventing blockage, comprising a workbench (1), characterized in that: A plurality of fixing rings (2) are installed on the upper end surface of the workbench (1), a feed pipe (3) is arranged inside the fixing ring (2), one end of the feed pipe (3) is installed with a motor (4), the output end of the motor (4) passes through the feed pipe (3) to the inside of which a spiral conveying rod (7) is installed, a hopper (5) is installed on the top of the side of the feed pipe (3) close to the motor (4), a discharge pipe (6) is installed on the side of the feed pipe (3) away from the motor (4), an injection port (8) is installed on one side of the discharge pipe (6), and a sealing component is arranged on the periphery of the injection port (8).
2. A plastic injection port device for preventing blockage according to claim 1, characterized in that: The closure assembly comprises a group of connecting members (9) arranged at the periphery of the injection port (8), a rotating shaft (10) is installed at one end of the connecting member (9), a coil spring is arranged on the rotating shaft (10), and a semicircular baffle (11) is installed on the rotating shaft (10).
3. A plastic injection port device for preventing blockage according to claim 2, characterized in that: Magnet one (14) and magnet two (15) are respectively installed on one side of the semicircular baffle (11).
4. A plastic injection port device for preventing blockage as claimed in claim 3, characterized in that: The magnet one (14) and the magnet two (15) are connected magnetically.
5. A plastic injection port device for preventing blockage as claimed in claim 2, characterized in that: A group of fixed blocks (12) are installed on one side of the discharge pipe (6), a chamber (16) is opened inside the fixed block (12), a spring (17) is installed on one side of the chamber (16), the end of the spring (17) is connected to a limiting plate (18), a moving rod (19) is installed on one side of the limiting plate (18), a rotating rod (20) is installed on one side of the moving rod (19) through a hinge seat, and the end of the rotating rod (20) is connected to a semicircular baffle (11) through a hinge seat.
6. A plastic injection port device for preventing blockage according to claim 5, characterized in that: A second chamber (21) is provided inside the moving rod (19), a second spring (22) is provided inside the second chamber (21), a group of connecting plates (23) are connected to both ends of the second spring (22), a trapezoidal block (24) is installed on one side of the connecting plate (23), and one end of the trapezoidal block (24) passes through the moving rod (19) to the outside.
7. A plastic injection port device for preventing blockage according to claim 5, characterized in that: The fixing block (12) is provided with a chamber three (26) inside, and a pressing block (25) is arranged on one side of the fixing block (12). One end of the pressing block (25) passes through the fixing block (12) to the inside of the chamber three (26) where a limit block (27) is installed. One side of the limit block (27) is provided with an extrusion rod (29), and a spring three (28) is sleeved on the extrusion rod (29). The end of the extrusion rod (29) passes through the chamber three (26) to the inside of the chamber one (16).
8. A plastic injection port device for preventing blockage according to claim 1, characterized in that: The outside of the injection port (8) is sleeved with a limiting ring (13).