Conveying rotary valve for soft plastic

Abstract

The utility model relates to the technical field of rotary valves, and discloses a conveying rotary valve for soft plastics, which comprises a valve body and a driving motor, a rotor shaft is movably mounted in the valve body, rotor blades are arranged on the circumference of the rotor shaft, side plates are arranged at the two ends of each rotor blade, a valve cover is arranged on one side wall of the valve body, and the valve cover is arranged on the other side wall of the valve body. An ash removal hole is formed in the valve cover; the inner wall of the valve body is provided with an embedded W port, and the embedded W port is located on one side of the feed port. According to the utility model, the two ends of the rotor blade are provided with the side plates, so that the frictional resistance between the end part of the rotor blade and the valve body is reduced, the operation performance of equipment is optimized, and the conveying requirement of soft plastic or sheet-shaped media is met; and the ash removal hole is designed in the valve cover, so that internal accumulated materials can be quickly cleaned without disassembling the valve body, the equipment maintenance efficiency is remarkably improved, and the downtime is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary valve technical field especially relates to a kind of conveying rotary valve for soft plastic. BACKGROUND

[0002] The existing conveying rotary valve is widely used in the conveying and unloading process of solid particles or powder, and usually adopts the design that a certain gap is kept between impeller and valve body to reduce frictional resistance. However, when the conveying medium contains soft plastic or flaky material, these media are easy to enter the gap between rotor impeller and shell, resulting in rotor gapless operation, and the operating resistance increases sharply, which may cause equipment shutdown and even damage accident. At the same time, during the use of traditional rotary valve, the accumulated material in the valve body usually needs to be disassembled for cleaning, which not only increases the maintenance workload, but also affects the continuous operation efficiency of the equipment. Therefore, the existing conveying rotary valve has obvious deficiencies in handling special media and maintenance convenience, and needs to be improved. SUMMARY

[0003] The utility model provides a kind of conveying rotary valve for soft plastic to solve the problems existing in the prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of conveying rotary valve for soft plastic, including valve body and drive motor, the inside movable mounting of the valve body has rotor shaft, the circumference of the rotor shaft is provided with rotor blade, the both ends of the rotor blade are provided with side plate, the side wall of the valve body is provided with valve cover, and the valve cover is provided with dust hole;The inner wall of the valve body is provided with embedded W mouth, and the embedded W mouth is located at the side of inlet.

[0006] As a further scheme of the utility model: the outer portion of the valve body is provided with transmission housing, the output end of the drive motor extends into the transmission housing, one end of the rotor shaft extends into the transmission housing, and the rotor shaft and the output end of the drive motor extend into the transmission housing through transmission assembly linkage.

[0007] As a further scheme of the utility model: the both ends of the rotor shaft are provided with heavy load type bearing, for supporting and installing the rotor shaft.

[0008] As a further scheme of the utility model: the side edge of the rotor blade away from heavy load type bearing and the circumferential side edge of side plate are provided with chamfer surface, for reducing the operating resistance of the side edge of the rotor blade, the circumferential side edge of side plate.

[0009] As a further scheme of the utility model: the thickness of the side edge of the rotor blade far from the heavy load type bearing and the circumferential side edge of the side plate is 2mm.

[0010] As a further scheme of the utility model: the chamfer surface is an inclined surface.

[0011] The utility model discloses the beneficial effects are:

[0012] 1, reduce operating resistance: the both ends of rotor blade are provided with side plate, and the friction resistance between rotor blade end and valve body is reduced, and the equipment operating performance is optimized, and the conveying demand of soft plastic or flaky medium is adapted.

[0013] 2, convenient cleaning accumulated material: the dust hole is designed on the valve cover, and the internal accumulated material can be cleaned quickly without disassembling valve body, and the equipment maintenance efficiency is improved significantly, and downtime is reduced.

[0014] 3, enhance conveying capacity: the design of valve body inlay type W mouth structure increases the flow area of inlet, improves material flow condition, and improves conveying efficiency and flow capacity.

[0015] 4, the stability of structure is enhanced: the rotor shaft is designed as thickening type, and is supported through two ends heavy load type bearing, and the carrying capacity of rotor and the overall stability of equipment are greatly improved, and reliable operation under high load working condition is ensured.

[0016] 5, strong adaptability: the utility model is especially suitable for the material conveying of containing soft plastic, flaky or fibrous medium, and avoids the jam problem caused by material clamping in the gap of traditional rotary valve. DRAWINGS

[0017] Figure 1 The utility model proposes a kind of overall structure schematic diagram of the conveying rotary valve for soft plastic;

[0018] Figure 2 The utility model proposes the structure sectional view of valve body in a kind of conveying rotary valve for soft plastic;

[0019] Figure 3 The utility model proposes the structure schematic diagram of side plate, rotor shaft and rotor blade in a kind of conveying rotary valve for soft plastic;

[0020] Figure 4 The utility model proposes the side structure sectional view of rotor shaft and rotor blade in a kind of conveying rotary valve for soft plastic;

[0021] Figure 5 The utility model proposes a kind of structure schematic diagram of valve body in a kind of conveying rotary valve for soft plastic.

[0022] In the figure: 1-driving motor, 2-valve cover, 3-dust hole, 4-embedded W port, 5-valve body, 6-rotor shaft, 7-rotor blade, 8-side plate, 9-heavy load bearing, 10-chamfered surface, 11-transmission housing. DETAILED DESCRIPTION

[0023] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0024] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation of the patent.

[0025] REFERENCE Figures 1-5 A conveying rotary valve for soft plastic, comprising a valve body 5 and a driving motor 1, a rotor shaft 6 movably installed inside the valve body 5, rotor blades 7 provided at the circumference of the rotor shaft 6, side plates 8 provided at both ends of the rotor blades 7, a valve cover 2 provided on one side wall of the valve body 5, and a dust hole 3 opened on the valve cover 2; an embedded W port 4 provided on the inner wall of the valve body 5, located at one side of the material inlet.

[0026] The rotor shaft 6 is driven to rotate by the driving motor 1, which drives the rotor blades 7 to rotate, and the material entering the valve body 5 is stirred and conveyed, so as to realize efficient conveying and discharging of the material. The side plates 8 are provided at both ends of the rotor blades 7, which effectively reduces the frictional resistance of both ends of the rotor blades 7 during operation, reduces energy consumption, and improves the stability and reliability of the equipment operation. The dust hole 3 opened on the valve cover 2 facilitates the cleaning of the accumulated material inside the valve body 5 during equipment operation or shutdown maintenance, avoids the influence of material accumulation on the performance of the equipment, and quickly completes the cleaning without disassembling the valve body 5, which significantly improves the maintenance efficiency. The embedded W port 4 is designed on the inner wall of the valve body 5 and located at one side of the material inlet. This structure not only optimizes the material flow path, but also increases the flow area of the material inlet, thereby improving the conveying capacity, meeting the conveying requirements of soft plastic and thin sheet medium, avoiding material blockage, and improving the overall operation efficiency of the equipment.

[0027] As a preferred embodiment of the utility model, the exterior of the valve body 5 is provided with a transmission housing 11, the output end of the driving motor 1 extends into the transmission housing 11, one end of the rotor shaft 6 extends into the transmission housing 11, the rotor shaft 6 and the output end of the driving motor 1 extending into the transmission housing 11 are linked through a transmission assembly, the transmission housing 11 not only plays a role of protecting transmission components, but also can prevent external dust, material particles or other impurities from entering, ensuring long-term stable operation of the transmission system. Specifically, the transmission assembly can be designed as gear transmission, shaft coupling or other efficient transmission mode according to specific application requirements; in addition, the structural design of the transmission housing 11 considers the characteristics of easy maintenance, the exterior of which can be provided with an inspection port or a dismounting cover plate, facilitating inspection, lubrication or replacement of the transmission assembly, improving equipment maintenance efficiency. The linkage design of the transmission assembly ensures the stability and efficiency of power transmission, and simultaneously reduces mechanical loss of the transmission system through optimization of the linkage structure, thereby prolonging the service life of the equipment; the combination of the transmission housing and the transmission assembly enables the conveying rotary valve to adapt to the operation requirements under complex working conditions, further improving the stability and reliability of the equipment.

[0028] As a preferred embodiment of the utility model, heavy load type bearings 9 are arranged at both ends of the rotor shaft 6 for supporting and installing the rotor shaft 6.

[0029] Referring to Figure 4 As a preferred embodiment of the utility model, chamfered surfaces 10 are arranged on the side edge of the rotor blade 7 and the circumferential side edge of the side plate 8 away from the heavy load type bearing 9, for reducing the running resistance of the side edge of the rotor blade 7 and the circumferential side edge of the side plate 8, the design fully considers the fluid dynamics characteristics of the rotary valve in the operation process, the arrangement of the chamfered surfaces 10 can effectively reduce the friction force between the side edge of the rotor blade 7 and the material or medium, and simultaneously reduce the contact resistance of the circumferential side edge of the side plate 8 with the inner wall of the valve body in the rotation process, thereby significantly reducing the overall running resistance; the design angle of the chamfered surface 10 is optimized, the chamfer size and angle can be adjusted according to the characteristics of the conveying medium, to adapt to the special requirements of soft plastic, flaky or fibrous materials, such a structure not only reduces the possibility of material accumulation on the edges of the rotor blade 7 and the side plate 8, but also prevents the equipment from being stuck or overloaded due to material clamping; in addition, the chamfered surface 10 also plays a flow guiding role, which can optimize the material flow path when the rotor blade 7 rotates at high speed, reduce the impact and lateral friction force of the material on the rotor blade 7, and further improve the conveying efficiency and running stability; in combination with the supporting structure of the heavy load type bearing 9, the design of the chamfered surface 10 ensures the stability and reliability of the equipment under high load and high frequency operation conditions, and simultaneously effectively prolongs the service life of the rotor blade 7 and the side plate 8; the optimization of the chamfer design and the overall structure not only improves the comprehensive performance of the conveying rotary valve, but also meets the low resistance and high efficiency operation requirements in the special material conveying process.

[0030] As a preferred embodiment of the utility model, the thickness of the side edge of the rotor blade 7 away from the heavy load type bearing 9 and the circumferential edge of the side plate 8 is 2mm, the thickness of 2mm ensures the strength and rigidity of the rotor blade 7 and the side plate 8 in long-term operation, and reduces the frictional resistance and the possibility of material adhesion in operation to a certain extent.

[0031] As a preferred embodiment of the utility model, the chamfer surface 10 is an inclined surface.

[0032] As a preferred embodiment of the utility model, the chamfer surface 10 is an arc surface, compared with the ordinary chamfer, the arc surface design is more smooth in transition, which can significantly reduce the frictional resistance between the edge of the rotor blade 7 and the side plate 8 and the material or the inner wall of the valve body 5, and the smooth transition can also reduce the possibility of material accumulation and jamming, thereby ensuring the smooth operation of the equipment under high load working conditions; it is helpful to reduce the turbulence and flow resistance, further improve the conveying efficiency, especially when conveying soft plastic, sheet or fibrous material, it performs particularly outstandingly; the arc chamfer design effectively reduces the stress concentration phenomenon through smooth transition, avoids the cracking or wear problem of the edge part caused by the local stress being too high, thereby prolonging the service life of the rotor blade 7 and the side plate 8.

[0033] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A rotary valve for conveying soft plastics, comprising a valve body (5) and a drive motor (1), characterized in that, The valve body (5) is movably installed with a rotor shaft (6), and rotor blades (7) are provided on the circumference of the rotor shaft (6). Side plates (8) are provided at both ends of the rotor blades (7). A valve cover (2) is provided on one side wall of the valve body (5), and a dust removal hole (3) is provided on the valve cover (2). The inner wall of the valve body (5) is provided with an embedded W port (4), which is located on one side of the feed inlet.

2. The rotary valve for conveying soft plastics according to claim 1, characterized in that, The valve body (5) is provided with a transmission housing (11) on its exterior. The output end of the drive motor (1) extends into the transmission housing (11), and one end of the rotor shaft (6) extends into the transmission housing (11). The rotor shaft (6) and the one end of the output end of the drive motor (1) extending into the transmission housing (11) are linked by a transmission assembly.

3. A rotary valve for conveying soft plastics according to claim 1, characterized in that, Heavy-duty bearings (9) are provided at both ends of the rotor shaft (6) for supporting and installing the rotor shaft (6).

4. A rotary valve for conveying soft plastics according to claim 1, characterized in that, The rotor blade (7) is provided with a chamfered surface (10) on the side away from the heavy-duty bearing (9) and on the circumferential side of the side plate (8) to reduce the running resistance of the rotor blade (7) and the circumferential side of the side plate (8).

5. A rotary valve for conveying soft plastics according to claim 4, characterized in that, The thickness of the rotor blade (7) on the side away from the heavy-duty bearing (9) and the circumferential side of the side plate (8) is 2 mm.

6. A rotary valve for conveying soft plastics according to claim 4, characterized in that, The chamfered surface (10) is an inclined surface.

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