Star-shaped discharger capable of achieving blocking prevention

Abstract

The utility model relates to the field of powder conveying in environmental protection, metallurgy and electric power engineering technologies, in particular to a star-shaped discharger capable of preventing blocking, which comprises a horizontally arranged discharger cylinder, a feed port is arranged on the upper portion of the discharger cylinder, a discharge port is arranged on the lower portion of the discharger cylinder, and the discharge port is communicated with the discharge port. A discharging shaft driven by a motor is rotatably arranged in the discharger cylinder, an impeller is arranged on the discharging shaft in a sleeved mode, the impeller is synchronously and rotatably connected with the discharging shaft through a limiting mechanism, and a plurality of discharging blades made of elastic rubber materials are evenly and fixedly arranged on the periphery of the impeller. The discharging blade has the advantages that the discharging blade is made of elastic rubber materials and is not affected by factors such as corrosion, the discharging blade can generate certain elastic deformation at the clamping and blocking position, the discharging blade passes through the clamping and blocking position, the deformation of the discharging blade is automatically recovered after the discharging blade passes through the clamping and blocking position, and therefore the clamping and blocking probability is reduced, and the discharging efficiency is improved. And continuous operation of the unloader is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of powder conveying of environmental protection, metallurgy, electric power engineering technology, especially relates to a star type unloader capable of preventing blockage. BACKGROUND

[0002] The star type unloader device is the main equipment for dust removal, air supply and feeding of other equipment of dust removal equipment, is suitable for powdery material and granular material, and is widely applied to the industrial fields of environmental protection, metallurgy, electric power and the like.

[0003] The working principle of the star type unloader is as follows: generally, the star type unloader is composed of a rotor impeller with several blades, a bearing, a shell, a sealing device, a speed reducer and a motor; when the star type unloader works, the powder falls into the star-shaped blade space on the top and the side by gravity; the impeller is driven by the rotating shaft of the motor through the speed reducer; the powder at the lower part is unloaded by gravity when the impeller rotates to the lower part; however, the end of the blade and the shell device are often blocked by the high-hardness filling granular material, which causes the motor to overheat and trip, and affects the continuity of the conveying material. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of providing a star type unloader capable of preventing blockage to solve the problem of blade blockage in the prior art.

[0005] The technical scheme for solving the above technical problem is as follows: a star type unloader capable of preventing blockage, comprising a horizontally arranged unloader cylinder, a feed inlet arranged at the upper part of the unloader cylinder, a discharge outlet arranged at the lower part of the unloader cylinder, a discharge shaft driven by a motor rotatably arranged in the unloader cylinder, a rotor impeller arranged on the discharge shaft, the rotor impeller being synchronously rotatably connected to the discharge shaft through a limiting mechanism, and a plurality of discharge blades made of elastic rubber material uniformly fixed on the outer periphery of the rotor impeller.

[0006] The utility model has the advantages that: the discharge blades are made of elastic rubber material and are not affected by corrosion and other factors; the discharge blades can produce elastic deformation at the blockage position, so that the discharge blades pass through the blockage position, and the discharge blades automatically recover from the deformation after passing through the blockage position, thereby reducing the blockage probability and realizing the continuous operation of the unloader.

[0007] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0008] Further, one end of the impeller is provided with a sleeve connecting groove, and the other end is a closed end, the limiting mechanism comprises a first fastening bolt, the discharge shaft is inserted into the sleeve connecting groove, the closed end of the impeller abuts against the end face of the discharge shaft, and the closed end of the impeller is fixedly connected with the end face of the discharge shaft through the first fastening bolt.

[0009] The beneficial effect of the above further scheme is that the closed end of the impeller is fixed at the end of the discharge shaft through the first fastening bolt, the detachable installation of the impeller and the discharge shaft is realized, the limiting of the impeller is realized, and the synchronous rotation of the impeller and the discharge shaft is realized.

[0010] Further, the limiting mechanism comprises a plurality of limiting keys uniformly fixed on the outer periphery of the discharge shaft, the length direction of the limiting key is the same as the length direction of the discharge shaft, the inner ring of the impeller is provided with a limiting groove corresponding to the limiting key, and the limiting key is slidingly arranged in the limiting groove.

[0011] The beneficial effect of the above further scheme is that the limiting key and the limiting groove are arranged one by one, the radial limitation of the impeller and the discharge shaft is realized, and the synchronous rotation of the impeller and the discharge shaft is realized.

[0012] Further, a limiting disc is fixedly arranged on the end face of the discharge shaft through a second fastening bolt, and the limiting disc abuts against the end face of the impeller.

[0013] The beneficial effect of the above further scheme is that the limiting disc can limit the axial direction of the impeller and the discharge shaft, and the installation of the impeller is facilitated.

[0014] Further, the discharge vane is fixedly connected with the impeller in an integrated manner.

[0015] The beneficial effect of the above further scheme is that the discharge vane and the impeller are fixedly connected in an integrated manner, and the stability of the fixation of the impeller and the discharge vane is ensured.

[0016] Further, a plurality of first vane bases are uniformly fixed on the outer peripheral wall of the impeller, the number of the first vane bases is the same as the number of the discharge vanes, the first vane base is in the shape of a long strip plate, the discharge vane is provided with a sliding groove extending to both ends on the side thereof facing the impeller, the first vane base is arranged in the sliding groove, and the discharge vane is detachably fixedly connected with the first vane base through a third fastening bolt.

[0017] The beneficial effect of the above further scheme is that the discharge vane is connected with the first vane base through the sliding groove, and then is detachably fixed through the third fastening bolt, the installation and fixation of the discharge vane are facilitated, when a certain discharge vane is damaged, the corresponding third fastening bolt can be directly disassembled, and the replacement of the discharge vane is facilitated.

[0018] Further, the discharge blade is provided with a side of the chute and an outer wall of the impeller.

[0019] The beneficial effect of the further scheme is that the discharge blade is provided with a side of the chute and an outer wall of the impeller, which facilitates accurate calculation of the discharge amount between two adjacent discharge blades and avoids material deposition between the discharge blade and the impeller.

[0020] Further, a plurality of second blade bases are uniformly arranged on the outer peripheral wall of the impeller, a T-shaped sliding seat is arranged on the side of each second blade base away from the impeller, and a T-shaped groove matched with the T-shaped sliding seat is arranged on the side of the discharge blade away from the impeller, the T-shaped sliding seat is slidingly arranged in the T-shaped groove, and the T-shaped sliding seat and the discharge blade are detachably connected through a fourth fastening bolt.

[0021] The beneficial effect of the further scheme is that the T-shaped sliding seat and the T-shaped groove can limit the radial direction of the discharge blade, the fourth fastening bolt can limit the axial direction of the discharge blade, and the relative fixed connection between the discharge blade and the impeller is achieved.

[0022] Further, the two side surfaces of the discharge blade and the two side surfaces of the second blade base are located on the same plane.

[0023] The beneficial effect of the further scheme is that the discharge amount between two adjacent discharge blades can be accurately controlled.

[0024] Further, the side of the discharge blade away from the impeller is an arc surface matched with the inner wall of the discharger cylinder.

[0025] The beneficial effect of the further scheme is that the side of the discharge blade away from the impeller is an arc surface, which makes the discharge blade more closely abut against the inner wall of the discharger cylinder, so that the material adhered to the inner wall of the discharger cylinder can be scraped off. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a structural schematic view of an embodiment of the present application;

[0027] Figure 2 FIG. 2 is a structural schematic view of another embodiment of the present application;

[0028] Figure 3 FIG. 3 is a connection schematic view of the impeller and the discharge shaft in the second embodiment of the present application;

[0029] Figure 4 FIG. 4 is a structural schematic view of a third embodiment of the present application;

[0030] Figure 5 This is a structural schematic diagram of Embodiment 4 of the present invention;

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 1. Unloader cylinder; 2. Inlet; 3. Outlet; 4. Unloader shaft; 5. Impeller; 6. Unloader blade; 7. Sleeve groove; 8. First fastening bolt; 9. Limit key; 10. Limit groove; 11. Second fastening bolt; 12. Limiting disc; 13. First blade base; 14. Slide groove; 15. Third fastening bolt; 16. Second blade base; 17. T-shaped slide; 18. T-shaped groove; 19. Fourth fastening bolt. Detailed Implementation

[0033] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0034] Example 1

[0035] like Figure 1 As shown, this embodiment includes a horizontally arranged unloading device cylinder 1. The unloading device cylinder 1 is closed at both ends and can be sealed with detachable end caps. The upper part of the unloading device cylinder 1 has a feed inlet 2, and the lower part has a discharge outlet 3. A discharge shaft 4 driven by a motor is rotatably mounted inside the unloading device cylinder 1. An impeller 5 is fitted onto the discharge shaft 4. The impeller 5 is synchronously connected to the discharge shaft 4 via a limiting mechanism. Multiple elastic rubber discharge blades 6 are uniformly fixed on the outer circumference of the impeller 5. One end of the discharge shaft 4 is rotatably connected to one of the end caps via a bearing. The two ends of the impeller 5 and the discharge blades 6 are slidably sealed to two end caps, respectively.

[0036] In this embodiment, the side of the unloading blade 6 away from the impeller 5 is an arc-shaped surface that matches the inner wall of the unloading device cylinder 1. The arc-shaped side of the unloading blade 6 away from the impeller 5 makes the contact between the unloading blade 6 and the inner wall of the unloading device cylinder 1 closer, thereby scraping off the material adhering to the inner wall of the unloading device cylinder 1.

[0037] In this embodiment, the limiting mechanism can be a bolt or a positioning pin, or the limiting mechanism can be an external thread on the unloading shaft 4 and an internal thread on the inner ring of the impeller 5.

[0038] In this embodiment, the unloading blade 6 and the impeller 5 are integrally fixedly connected, and the integral fixed connection between the unloading blade 6 and the impeller 5 ensures the stability of the fixation of the impeller 5 and the unloading blade 6.

[0039] Example 2

[0040] like Figure 2 , Figure 3 As shown, this embodiment includes a horizontally arranged unloading device cylinder 1. The unloading device cylinder 1 is closed at both ends and can be sealed with detachable end caps. The upper part of the unloading device cylinder 1 has a feed inlet 2, and the lower part has a discharge outlet 3. A discharge shaft 4 driven by a motor is rotatably mounted inside the unloading device cylinder 1. An impeller 5 is fitted onto the discharge shaft 4. The impeller 5 is synchronously connected to the discharge shaft 4 via a limiting mechanism. Multiple elastic rubber discharge blades 6 are uniformly fixed on the outer circumference of the impeller 5. One end of the discharge shaft 4 is rotatably connected to one of the end caps via a bearing. The two ends of the impeller 5 and the discharge blades 6 are slidably sealed to two end caps, respectively.

[0041] In this embodiment, the side of the unloading blade 6 away from the impeller 5 is an arc-shaped surface that matches the inner wall of the unloading device cylinder 1. The arc-shaped side of the unloading blade 6 away from the impeller 5 makes the contact between the unloading blade 6 and the inner wall of the unloading device cylinder 1 closer, thereby scraping off the material adhering to the inner wall of the unloading device cylinder 1.

[0042] In this embodiment, one end of the impeller 5 is provided with a sleeve groove 7, and the other end is a closed end. The limiting mechanism includes a first fastening bolt 8. The discharge shaft 4 is inserted into the sleeve groove 7. The closed end of the impeller 5 abuts against the end face of the discharge shaft 4 and is fixedly connected to the end face of the discharge shaft 4 by the first fastening bolt 8. By fixing the closed end of the impeller 5 to the end of the discharge shaft 4 by the first fastening bolt 8, the impeller 5 and the discharge shaft 4 can be detachably installed, and the impeller 5 can be limited, thereby achieving synchronous rotation of the impeller 5 and the discharge shaft 4.

[0043] In order to avoid the setting of the first fastening bolt 8 affecting the sealing between the end faces of the impeller 5 and the unloading blade 6 and the two ends of the unloading cylinder 1, a receiving groove for accommodating the head of the first fastening bolt 8 is provided on the outer wall of the closed end of the impeller 5, and the head of the first fastening bolt 8 is located in the receiving groove.

[0044] Example 3

[0045] like Figure 4As shown, the embodiment includes a horizontally arranged discharger barrel 1, both ends of the discharger barrel 1 are closed, and a detachable end cover can be arranged for sealing, the upper part of the discharger barrel 1 is provided with a feeding port 2, the lower part of the discharger barrel 1 is provided with a discharging port 3, a discharging shaft 4 driven by a motor is rotatably arranged in the discharger barrel 1, an impeller 5 is sleeved on the discharging shaft 4, the impeller 5 is synchronously rotatably connected with the discharging shaft 4 through a limiting mechanism, and a plurality of elastic rubber material discharging blades 6 are uniformly fixed on the outer periphery of the impeller 5. One end of the discharging shaft 4 is rotatably connected with one of the end covers through a bearing, and the two ends of the impeller 5 and the discharging blade 6 are respectively slidably sealed with the two end covers.

[0046] In the embodiment, the side of the discharging blade 6 away from the impeller 5 is an arc surface matched with the inner wall of the discharger barrel 1. The side of the discharging blade 6 away from the impeller 5 is an arc surface, so that the abutment between the discharging blade 6 and the inner wall of the discharger barrel 1 is closer, thereby being capable of scraping off the material adhered to the inner wall of the discharger barrel 1.

[0047] In the embodiment, the limiting mechanism includes a plurality of limiting keys 9 uniformly fixed on the outer periphery of the discharging shaft 4, the length direction of the limiting key 9 is the same as the length direction of the discharging shaft 4, the inner ring of the impeller 5 is provided with a limiting groove 10 corresponding to the limiting key 9 one by one, and the limiting key 9 is slidably arranged in the limiting groove 10 one by one. The limiting key 9 and the limiting groove 10 are arranged one by one, which can realize the radial limitation of the impeller 5 and the discharging shaft 4, and further realize the synchronous rotation of the impeller 5 and the discharging shaft 4.

[0048] Further, the end surface of the discharging shaft 4 is fixedly provided with a limiting disc 12 through a second fastening bolt 11, the limiting disc 12 abuts against the end surface of the impeller 5, and the limiting disc 12 can limit the axial direction of the impeller 5 and the discharging shaft 4, thereby facilitating the installation of the impeller 5.

[0049] In the embodiment, a plurality of first blade bases 13 are uniformly fixed on the outer peripheral wall of the impeller 5, the number of the first blade bases 13 is the same as the number of the discharging blades 6, the first blade base 13 is in the shape of a long strip plate, the side of the discharging blade 6 away from the impeller 5 is provided with a sliding groove 14 extending to both ends, the first blade base 13 is arranged in the sliding groove 14, and the discharging blade 6 is detachably fixedly connected with the first blade base 13 through a third fastening bolt 15. The discharging blade 6 is connected with the first blade base 13 through the sliding groove 14, and then is detachably fixed through the third fastening bolt 15, thereby facilitating the installation and fixation of the discharging blade 6, and when one discharging blade 6 is damaged, the corresponding third fastening bolt 15 can be directly disassembled, thereby facilitating the replacement of the discharging blade 6.

[0050] The unloading blade 6 has a side of the groove 14 that abuts against the outer wall of the impeller 5. The unloading blade 6 has a side of the groove 14 that abuts against the outer wall of the impeller 5. On the one hand, it is convenient to accurately calculate the unloading amount between two adjacent unloading blades 6. On the other hand, it can prevent material from depositing between the unloading blade 6 and the impeller 5.

[0051] Example 4

[0052] like Figure 5 As shown, this embodiment includes a horizontally arranged unloading device cylinder 1. The unloading device cylinder 1 is closed at both ends and can be sealed with detachable end caps. The upper part of the unloading device cylinder 1 has a feed inlet 2, and the lower part has a discharge outlet 3. A discharge shaft 4 driven by a motor is rotatably mounted inside the unloading device cylinder 1. An impeller 5 is fitted onto the discharge shaft 4. The impeller 5 is synchronously connected to the discharge shaft 4 via a limiting mechanism. Multiple elastic rubber discharge blades 6 are uniformly fixed on the outer circumference of the impeller 5. One end of the discharge shaft 4 is rotatably connected to one of the end caps via a bearing. The two ends of the impeller 5 and the discharge blades 6 are slidably sealed to two end caps, respectively.

[0053] In this embodiment, the side of the unloading blade 6 away from the impeller 5 is an arc-shaped surface that matches the inner wall of the unloading device cylinder 1. The arc-shaped side of the unloading blade 6 away from the impeller 5 makes the contact between the unloading blade 6 and the inner wall of the unloading device cylinder 1 closer, thereby scraping off the material adhering to the inner wall of the unloading device cylinder 1.

[0054] In this embodiment, a plurality of second blade bases 16 are uniformly fixed on the outer peripheral wall of the impeller 5. T-shaped slides 17 are fixedly provided on the sides of the second blade bases 16 away from the impeller 5. The unloading blade 6 has a T-shaped groove 18 on its side facing the impeller 5, which matches the T-shaped slide 17. The T-shaped slide 17 is slidably inserted into the T-shaped groove 18. The T-shaped slide 17 and the unloading blade 6 are detachably and fixedly connected by a fourth fastening bolt 19. The T-shaped slide 17 and the T-shaped groove 18 limit the radial direction of the unloading blade 6, and the fourth fastening bolt 19 restricts the axial direction of the unloading blade 6, thus achieving a relatively fixed connection between the unloading blade 6 and the impeller 5.

[0055] The two sides of the unloading blade 6 and the two sides of the second blade base 16 are located on the same plane. This facilitates precise control of the unloading volume between two adjacent unloading blades 6.

[0056] In the embodiments of the utility model, on the basis of embodiment two, embodiment three and embodiment four, the following can also be done: in embodiment two, the limiting connection mode of the impeller 5 and the discharge shaft 4 can also adopt the limiting connection mode of the impeller 5 and the discharge shaft 4 in embodiment three and embodiment four.

[0057] Or, in embodiment three and embodiment four, the limiting connection mode of the impeller 5 and the discharge shaft 4 can also adopt the limiting connection mode of the impeller 5 and the discharge shaft 4 in embodiment two.

[0058] The utility model discloses the material from the feed inlet 2 falls down and fills in the clearance between two adjacent discharge blades 6, when the discharge blade 6 is in contact with the discharge cylinder 1 in the rotation process, the position of the material with high hardness is jammed, the discharge blade 6 can produce elastic deformation, and the discharge blade 6 restores automatically after passing the jammed position. Reduce the jamming probability, so that the material is discharged continuously with the rotation of the discharge blade 6 in the discharge port 3.

[0059] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential direction" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the system or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0060] In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0061] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0062] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0063] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotary valve capable of preventing jamming, characterized in that, The utility model provides an improved discharge device, which comprises a horizontally arranged discharge cylinder (1), an inlet (2) arranged at the upper part of the discharge cylinder (1), an outlet (3) arranged at the lower part of the discharge cylinder (1), a discharge shaft (4) arranged in the discharge cylinder (1) and driven by a motor, an impeller (5) sleeved on the discharge shaft (4), and a plurality of discharge blades (6) of elastic rubber material fixedly arranged on the outer periphery of the impeller (5).

2. The star-type discharger capable of preventing blockage according to claim 1, wherein One end of the impeller (5) is provided with a sleeving groove (7), and the other end is a closed end. The limiting mechanism comprises a first fastening bolt (8). The discharge shaft (4) is inserted into the sleeving groove (7). The closed end of the impeller (5) abuts against the end face of the discharge shaft (4), and is fixedly connected to the end face of the discharge shaft (4) through the first fastening bolt (8).

3. The star-type discharger capable of preventing blockage according to claim 1, wherein The limiting mechanism comprises a plurality of limiting keys (9) fixedly arranged on the outer periphery of the discharge shaft (4). The length direction of the limiting keys (9) is the same as the length direction of the discharge shaft (4). The inner ring of the impeller (5) is provided with limiting grooves (10) corresponding to the limiting keys (9). The limiting keys (9) are slidingly arranged in the limiting grooves (10) one by one.

4. The star-type discharger capable of preventing blockage according to claim 2, wherein The end face of the discharge shaft (4) is fixedly provided with a limiting disc (12) through a second fastening bolt (11). The limiting disc (12) abuts against the end face of the impeller (5).

5. The anti-jamming star-type discharger according to any one of claims 1 to 4, characterized in that, The discharge blades (6) are integrally fixedly connected to the impeller (5).

6. A star-type discharger capable of preventing blockage according to any one of claims 1 to 4, characterized in that, A plurality of first blade bases (13) are fixedly arranged on the outer peripheral wall of the impeller (5). The number of the first blade bases (13) is the same as the number of the discharge blades (6). The first blade bases (13) are in the shape of long strip plates. The discharge blades (6) are provided with sliding grooves (14) extending to both ends on the side edges thereof. The first blade bases (13) are arranged in the sliding grooves (14). The discharge blades (6) are detachably fixedly connected to the first blade bases (13) through third fastening bolts (15).

7. The star-type discharger capable of preventing blockage according to claim 6, wherein The side edges of the discharge blades (6) provided with the sliding grooves (14) abut against the outer wall of the impeller (5).

8. The anti-jamming star-type discharger according to any one of claims 1 to 4, characterized in that, A plurality of second blade bases (16) are fixedly arranged on the outer peripheral wall of the impeller (5). T-shaped sliding seats (17) are fixedly arranged on the side edges of the second blade bases (16) away from the impeller (5). T-shaped grooves (18) matching the T-shaped sliding seats (17) are arranged on the side edges of the discharge blades (6) toward the impeller (5). The T-shaped sliding seats (17) are slidingly inserted into the T-shaped grooves (18). The T-shaped sliding seats (17) and the discharge blades (6) are detachably fixedly connected through fourth fastening bolts (19).

9. The star-type discharger capable of preventing blockage according to claim 8, wherein The two side faces of the discharge blades (6) and the two side faces of the second blade bases (16) are located on the same plane.

10. The anti-jamming star-type discharger according to any one of claims 1 to 4, characterized in that, The side face of the discharge blades (6) away from the impeller (5) is an arc-shaped face matching the inner wall of the discharge cylinder (1).

Images