Receiving dust cover for PVC plastic processing
By designing dust-proof covers and flexible breathable bag tube dust covers during PVC plastic processing, the problem of dust overflow during PVC clinker unloading is solved, sealing and pressure relief are achieved, and the workshop environment and health conditions are improved.
Patent Information
- Application Number
- CN202422889062.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-26
AI Technical Summary
During the PVC plastic processing process, the air pressure generated by the PVC clinker when it is discharged under its own weight causes dust to overflow, affecting the workshop environment and the health of workers.
A splicing dust cover for PVC plastic processing is designed, which includes a dust cover and a flexible breathable bag tube. The driving mechanism is used to achieve sealing. The dust cover is pressed down on the transfer bucket car, and the flexible breathable bag tube is used to release gas pressure, so that dust is blocked to prevent overflow.
It effectively improves the workshop environment, prevents dust from spilling out, and protects the health of workers.
Smart Images
Figure CN223315996U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC plastic processing, in particular to a splicing dust cover for PVC plastic processing. Background Art
[0002] During the PVC plastic processing process, powdery raw materials such as PVC, calcium carbonate, stabilizers, and plastic additives need to be hot-mixed and pre-plasticized at a certain temperature, then transferred to a cold mixing process for cooling. Finally, the mixture is transferred from the storage silo to a transfer bucket car, and the transfer bucket car is used to transport the mixture to the machine head for processing in the next step.
[0003] However, because PVC clinker has fine particles, when it is discharged by its own weight from the discharge port at the bottom of the storage silo to the transfer bucket truck, as the PVC clinker in the bucket truck gradually increases, air pressure will be generated, causing the dust mixed in the clinker to accidentally overflow, affecting the environment in the workshop and the health of the workers. Utility Model Content
[0004] The utility model provides a splicing dust cover for PVC plastic processing, which can provide sealing in the clinker splicing link, avoid dust overflow in the PVC clinker, improve the workshop environment, and effectively solve the technical problems raised in the above background technology.
[0005] The utility model provides the following technical solutions.
[0006] A material receiving dust cover for PVC plastic processing comprises a material storage bin, a dust cover and a flexible breathable bag tube. The material storage bin is provided with a discharge port at the bottom, and driving mechanisms are arranged on both sides of the outer wall of the discharge port. The driving mechanism extends to the bottom of the discharge port, and a dust cover is installed on the bottom end of the driving mechanism. The driving mechanism is used to drive the dust cover to be raised and lowered. The top of the dust cover is connected to a vertically extending and foldable flexible breathable bag tube, and the top of the flexible breathable bag tube is communicated with the bottom end of the discharge port. A material guide hole is provided on the dust cover that passes through and communicates with the bottom end of the flexible breathable bag tube. The material guide hole and the flexible breathable bag tube form a cavity for the passage of clinker.
[0007] It can be seen that the material receiving dust cover for PVC plastic processing is arranged with a dust cover plate and a flexible breathable bag tube below the discharge port, and the material guide hole on the dust cover plate is connected with the discharge port by using the flexible breathable bag tube to form a cavity for the passage of clinker. When receiving the material, the driving mechanism arranged on the side of the discharge port is used to push the dust cover plate down and press it above the transfer bucket car to achieve sealing, ensuring that the gas can be discharged through the flexible breathable bag tube to achieve pressure relief, while the dust is blocked by the flexible breathable bag tube and will not overflow, effectively improving the workshop environment and being beneficial to the health of the staff.
[0008] Furthermore, the driving mechanism includes a pair of suspensions, a pair of driving cylinders and a pair of connecting arms. The two suspensions are symmetrically fixed on both sides of the outer wall of the discharge port. The two driving cylinders are vertically fixed on the suspensions on the corresponding sides. The telescopic rods of the two driving cylinders extend through and extend to the bottom of the suspensions and are vertically fixed with connecting arms. The dust cover is installed on the bottom ends of the two connecting arms.
[0009] Furthermore, a frame-shaped mounting plate is commonly installed on the bottom ends of the two connecting arms, and the flexible breathable bag tube passes through the frame-shaped mounting plate. Springs extending vertically downward are respectively fixed at the four top corners of the lower surface of the frame-shaped mounting plate, and the dust cover is commonly fixed on the lower ends of the four springs.
[0010] Furthermore, a sealing gasket is fixed on the lower surface of the dustproof cover around the material guide hole, and the sealing gasket is made of rubber material.
[0011] Furthermore, connecting seats are detachably mounted on both sides of the upper portion of the frame-shaped mounting plate through fastening bolts, and the tops of the two connecting seats are respectively fixed to the bottom ends of the connecting arms on the corresponding sides.
[0012] Furthermore, a first flange is fixedly connected to the top of the flexible breathable bag tube, and the first flange is detachably connected to the flange at the bottom of the discharge port by bolts. A second flange is fixedly connected to the bottom of the flexible breathable bag tube, and the second flange is detachably connected to the top of the dust cover by bolts.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows.
[0014] 1. The utility model provides a dust cover for PVC plastic processing by arranging a dust cover plate and a flexible breathable bag tube below the discharge port, and using the flexible breathable bag tube to connect the material guide hole on the dust cover plate with the discharge port to form a cavity for the passage of clinker. When receiving the material, the driving mechanism arranged on the side of the discharge port is used to push the dust cover plate down and press it above the transfer bucket car to achieve sealing, ensuring that the gas can be discharged through the flexible breathable bag tube to achieve pressure relief, while the dust is blocked by the flexible breathable bag tube and will not overflow, effectively improving the workshop environment and being beneficial to the health of the workers.
[0015] 2. The utility model uses a spring to install the dust cover plate under the frame-shaped mounting plate frame, so that the dust cover plate and the frame-shaped mounting plate frame have the ability to move relative to each other. When the upper end surface of the transfer bucket car is not parallel to the dust cover plate, the downward pressure of the dust cover plate by the driving mechanism is combined with the elastic deformation ability of the spring to press the dust cover plate parallel to the transfer bucket car, thereby ensuring the tight fit between the dust cover plate and the transfer bucket car, thereby effectively ensuring the dust overflow prevention effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the detailed structure and installation of the gland plate in the present invention;
[0018] Figure 3 This is a schematic diagram of the partial structure of the surface of the gland plate in the present invention;
[0019] Figure 4 This is a schematic diagram of the detailed structure and installation of the breathable bag tube in this utility model. DETAILED DESCRIPTION
[0020] Please refer to Figure 1-Figure 4 The utility model provides a material splicing dust cover for PVC plastic processing, including a storage bin 1, a discharge port 11, a drive mechanism 2, a suspension 21, a drive cylinder 22, a connecting arm 23, a connecting seat 24, a frame-shaped mounting plate 25, a spring 26, a dust cover 3, a material guide hole 31, a sealing gasket 32, a flexible breathable bag tube 4, a first flange 41 and a second flange 42. The following is a description of an embodiment of the utility model in conjunction with the drawings of the utility model.
[0021] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection", and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "communication" can be a direct connection or an indirect connection through an intermediate medium. Here, "fixed" means that the two are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present invention, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.
[0022] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of the features.
[0023] In the embodiments of the present invention, "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.
[0024] Among them, there is a discharge port 11 at the bottom of the storage bin 1. After the PVC clinker is mixed, it is stored in the storage bin 1. When receiving the material, the transfer bucket car is moved to the bottom of the discharge port 11 and aligned. By adjusting the discharge valve above the discharge port 11 on the storage bin 1 to the open state, the PVC material in the storage bin 1 can be gravity-transferred into the transfer bucket car through the discharge port 11 to complete the receiving of the PVC plastic.
[0025] A driving mechanism 2 is arranged on both sides of the outer wall of the discharge port 11, and the driving mechanism 2 extends to the bottom of the discharge port 11. A dust cover 3 is installed on the bottom end of the driving mechanism 2. The driving mechanism 2 is used to drive the dust cover 3 to be raised and lowered. The top of the dust cover 3 is connected with a vertically extending and foldable flexible breathable bag tube 4. The top of the flexible breathable bag tube 4 is connected to the bottom end of the discharge port 11. A material guide hole 31 is provided on the dust cover 3 that passes through and communicates with the bottom end of the flexible breathable bag tube 4. The material guide hole 31 and the flexible breathable bag tube 4 form a cavity for the clinker to pass. Before receiving the material, the driving mechanism 2 works to drive the dust cover 3 to descend until the dust cover 3, the lower surface is tightly fitted with the upper end of the transfer bucket car to achieve the blockage of the top of the transfer bucket car. At this time, the flexible breathable bag tube 4 is stretched and straightened to form a cavity for the clinker to pass between the discharge port 11 and the transfer bucket car. At this time, when receiving the material, the PVC material falls into the flexible breathable bag tube 4 from the discharge port 11 and falls into the transfer bucket car through the material guide hole 31. The gas can be discharged to the outside through the flexible breathable bag tube 4 to achieve pressure relief, and the dust in the clinker is blocked by the flexible breathable bag tube 4 and will not overflow. After the material is received, the dust cover 3 is driven by the driving mechanism 2 to move upward and separate from the transfer bucket car. At this time, the flexible breathable bag tube 4 moves upward and folds and shrinks.
[0026] The material receiving dust cover provided by the utility model for PVC plastic processing is realized by arranging a dust cover plate 3 and a flexible breathable bag tube 4 below the discharge port 11, and utilizing the flexible breathable bag tube 4 to connect the material guide hole 31 on the dust cover plate 3 with the discharge port 11 to form a cavity for the passage of clinker. When receiving the material, the driving mechanism 2 arranged on the side of the discharge port 11 is utilized to push the dust cover plate 3 down and press it above the transfer bucket car to achieve sealing, thereby ensuring that the gas can be discharged through the flexible breathable bag tube 4 to achieve pressure relief, while the dust is blocked by the flexible breathable bag tube 4 and will not overflow, thereby effectively improving the workshop environment and being beneficial to the health of the workers.
[0027] like Figure 1 、 Figure 2 and Figure 3As shown, the driving mechanism 2 includes a pair of suspensions 21, a pair of driving cylinders 22 and a pair of connecting arms 23. The two suspensions 21 are symmetrically fixed on both sides of the outer wall of the discharge port 11, and the two driving cylinders 22 are vertically fixed on the suspensions 21 on the corresponding sides. The telescopic rods of the two driving cylinders 22 extend through and extend to the bottom of the suspensions 21 and are vertically fixed with connecting arms 23. The dust cover 3 is installed on the bottom ends of the two connecting arms 23. The driving cylinders 22 are installed on the sides of the discharge port 11 by utilizing the suspensions 21. Through the simultaneous extension of the two driving cylinders 22, the telescopic rods of the two driving cylinders 22 can push the dust cover 3 down under the fixed connection of the connecting arms 23 to complete the pressure seal with the transfer bucket car. Through the synchronous retraction of the two driving cylinders 22, the dust cover 3 can be driven to move up, completing the upward and reset of the dust cover 3 and the flexible breathable bag tube 4, thereby providing stable drive for the lifting and lowering of the dust cover 3.
[0028] Among them, a frame-shaped mounting plate frame 25 is jointly installed on the bottom ends of the two connecting arms 23, and the flexible breathable bag tube 4 passes through the frame-shaped mounting plate frame 25. Springs 26 extending vertically downward are respectively fixed at the four top corners of the lower surface of the frame-shaped mounting plate frame 25, and the dust cover plate 3 is jointly fixed on the lower end parts of the four springs 26. The springs 26 are used to install the dust cover plate 3 under the frame-shaped mounting plate frame 25, so that there is the ability for relative movement between the dust cover plate 3 and the frame-shaped mounting plate frame 25. Then, when the upper end face of the transfer bucket car is not kept parallel to the dust cover plate 3, the downward pressure of the driving mechanism 2 on the dust cover plate 3, combined with the elastic deformation ability of the spring 26, can press the dust cover plate 3 parallel to the transfer bucket car, thereby ensuring the tight fit between the dust cover plate 3 and the transfer bucket car, thereby effectively ensuring the dust overflow prevention effect.
[0029] In addition, a sealing gasket 32 is fixed around the material guide hole 31 on the lower surface of the dust cover 3. The sealing gasket 32 is made of rubber. The sealing gasket 32 made of rubber is soft and has the ability to elastically deform. Therefore, when the dust cover 3 is pressed against the transfer bucket, it has an effective sealing effect, further improving the sealing between the dust cover 3 and the transfer bucket.
[0030] like Figure 2 As shown, connecting seats 24 are detachably installed on both sides above the frame-shaped mounting plate 25 by fastening bolts, and the tops of the two connecting seats 24 are respectively fixed to the bottom ends of the connecting arms 23 on the corresponding sides, and the connecting seats 24 fixed to the bottom ends of the connecting arms 23 are fastened to the frame-shaped mounting plate 25 by bolts, so that the connecting seats 24 and the frame-shaped mounting plate 25 are detachable, thereby facilitating the overall disassembly of the frame-shaped mounting plate 25 and the dust cover 3 for cleaning and maintenance.
[0031] like Figure 4As shown, the top of the flexible breathable bag tube 4 is fixedly connected to a first flange 41, and the first flange 41 is detachably connected to the flange at the bottom of the discharge port 11 by bolts, so that the top of the flexible breathable bag tube 4 and the bottom of the discharge port 11 are detachable, and the bottom of the flexible breathable bag tube 4 is fixedly connected to a second flange 42, and the second flange 42 is detachably connected to the top of the dust cover 3 by bolts, so that the bottom end of the flexible breathable bag tube 4 and the upper surface of the dust cover 3 are detachable, thereby facilitating the separate disassembly of the flexible breathable bag tube 4 for cleaning and maintenance.
[0032] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this utility model should be included in the scope of protection of the present utility model. The embodiments of the present utility model and the features of the embodiments can be combined with each other unless there is a conflict. Therefore, the scope of protection of the present utility model shall be based on the scope of protection of the claims.
Claims
1. A dust cover for PVC plastic processing, comprising a material storage bin (1), wherein the bottom of the material storage bin (1) has a discharge port (11), and is characterized in that: It also includes a dust cover (3) and a flexible breathable bag tube (4); Driving mechanisms (2) are arranged on both sides of the outer wall of the discharge port (11), and the driving mechanisms (2) extend to below the discharge port (11); The dust cover plate (3) is installed on the bottom end of the driving mechanism (2), and the driving mechanism (2) is used to drive the dust cover plate (3) to perform lifting and lowering adjustment; The top of the dust cover (3) is connected to the vertically extending and foldable flexible breathable bag tube (4), and the top of the flexible breathable bag tube (4) is connected to the bottom of the discharge port (11); The dust cover (3) is provided with a material guide hole (31) that passes through and communicates with the bottom end of the flexible breathable bag tube (4). The material guide hole (31) and the flexible breathable bag tube (4) form a cavity for the clinker to pass through.
2. A dust cover for splicing PVC plastic processing according to claim 1, characterized in that: The driving mechanism (2) comprises a pair of suspensions (21), a pair of driving cylinders (22) and a pair of connecting arms (23); The two suspensions (21) are symmetrically fixed on both sides of the outer wall of the discharge port (11), and the two driving cylinders (22) are respectively vertically fixed on the suspensions (21) on the corresponding sides; The telescopic rods of the two driving cylinders (22) extend through and below the suspension (21), and are both vertically fixed with the connecting arm (23); The dustproof cover plate (3) is mounted on the bottom ends of the two connecting arms (23).
3. A dust cover for splicing PVC plastic processing according to claim 2, characterized in that: A frame-shaped mounting plate (25) is commonly mounted on the bottom ends of the two connecting arms (23), and the flexible breathable bag tube (4) passes through the frame-shaped mounting plate (25); Springs (26) extending vertically downward are fixed at the four corners of the lower surface of the frame-shaped mounting plate frame (25), and the dust cover (3) is fixed to the lower ends of the four springs (26).
4. The dust cover for splicing PVC plastic processing according to claim 1, characterized in that: A sealing gasket (32) is fixed on the lower surface of the dustproof cover plate (3) around the material guide hole (31), and the sealing gasket (32) is made of rubber material.
5. The dust cover for splicing PVC plastic processing according to claim 3, characterized in that: Connecting seats (24) are detachably mounted on both sides of the frame-shaped mounting plate frame (25) via fastening bolts, and the tops of the two connecting seats (24) are fixed to the bottom ends of the connecting arms (23) on the corresponding sides.
6. The dust cover for splicing PVC plastic processing according to claim 1, characterized in that: A first flange (41) is fixedly connected to the top of the flexible breathable bag tube (4), and the first flange (41) is detachably connected to the flange at the bottom of the discharge port (11) via bolts; The bottom of the flexible breathable bag tube (4) is fixedly connected to a second flange (42), and the second flange (42) is detachably connected to the top of the dust cover (3) via bolts.