Star-shaped rotary discharge valve

By using conveying rubber sealing plates in the star discharge valve to fill the gap between the impeller blade and the valve body, the problems of poor wind-locking effects of material jumping and shutting down and wind-locking effects are solved, and the continuous and stable material transportation and wind-locking effects of material are achieved.

CN222770094UActive Publication Date: 2025-04-18遵义海螺盘江水泥有限责任公司
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Patent Information

Application Number
CN202421703107.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-04-18
Estimated Expiration
2034-07-18

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  • Figure CN222770094U_ABST
    Figure CN222770094U_ABST
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Abstract

The utility model relates to the technical field of star-shaped discharging valves, and provides a star-shaped rotary discharging valve which comprises a valve body, a rotating shaft rotationally connected to one side of the inner wall of the valve body, a connecting sleeve arranged on the surface of the rotating shaft in a sleeving mode, a connecting mechanism arranged on the connecting sleeve and fixed to the rotating shaft, and a plurality of impeller blades arranged on the surface of the connecting sleeve in a circular ring mode. The gap between the impeller blade and the valve body is filled with the conveying rubber sealing plate, and the property that the conveying rubber sealing plate can deform under the action of external acting force is utilized, so that the air locking effect of the discharging valve is guaranteed, the purpose of preventing material blocking can be achieved, the effect of continuously and stably conveying materials is achieved, and the service life of the discharging valve is prolonged. The failure rate of the discharge valve, the manual cleaning cost and the safety risk are reduced, and the material conveying effect and efficiency are effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of star-shaped discharge valves, in particular to a star-shaped rotary discharge valve. Background Art

[0002] As a special unloading equipment, the star-shaped unloader plays a great role in cleaning and washing work, so it is necessary for us to summarize some of its characteristics, so that we can better understand and maintain the star-shaped unloader and give full play to its maximum capabilities.

[0003] The authorized patent with the known application number CN202321360583.X discloses a new type of star-shaped unloading valve, and its background technology proposes the problem that "when the existing star-shaped unloading valve is used to clean or inspect the inside of the valve body or the impeller rotating in the valve body, the end cover needs to be removed as a whole, and then the impeller needs to be removed for inspection or cleaning. This process is relatively complicated, and the disassembled parts are numerous and messy." Therefore, the technical solution to this problem is "including a unloading valve body, one end of the unloading valve body is provided with an end cover assembly, including an end cover, a connecting shaft and an impeller, the end cover is rotatably connected to the connecting shaft, one end of the connecting shaft is plugged with the impeller, and a connecting portion extends outward from one side of the end cover, and the connecting portion is connected to the unloading valve body by a movable plate assembly for supporting the end cover assembly in a pulled-out state."

[0004] However, in the implementation of relevant technologies, it was found that the existing technical solutions have the following problems: in order to meet the air locking requirements of the conveying system, the existing star-shaped unloading valve has a small gap between the internal impeller and the outer shell, which is prone to jamming and jumping when conveying cables and waste garbage, which can easily cause the unloading valve to have a high failure rate and poor continuity in material transportation. In addition, due to the gap between the impeller and the shell, the air locking effect of the unloading valve is easy to be poor, making it impossible to achieve energy saving and consumption reduction in production, thereby reducing the use effect of the unloading valve and the material conveying efficiency. Utility Model Content

[0005] The utility model proposes a star-shaped rotary discharge valve, which solves the problem that material jamming and jumping may occur easily in the related technology, resulting in a high failure rate of the discharge valve and poor continuity of material transportation. In addition, the gap between the impeller and the casing may easily cause the problem that the air locking effect of the discharge valve is poor.

[0006] The technical solution of the utility model is as follows: a star-shaped rotary discharge valve comprises: a valve body;

[0007] Rotate a rotating shaft connected to one side of the inner wall of the valve body;

[0008] A connecting sleeve sleeved on the surface of the rotating shaft, wherein the connecting sleeve is provided with a connecting mechanism fixed to the rotating shaft;

[0009] A plurality of impeller blades are provided in the form of a circular ring on the surface of the connecting sleeve, and a fixing mechanism for connection is provided between the impeller blades and the connecting sleeve;

[0010] A pressure plate disposed on one side of the impeller blade;

[0011] A conveying rubber sealing plate is arranged between the pressing plate and the impeller blade, wherein the surfaces of the conveying rubber sealing plate, the pressing plate and the impeller blade are all provided with a plurality of interconnected screw holes, and the surface of the conveying rubber sealing plate is provided with a plurality of slits;

[0012] and a fixing bolt which is threadedly connected in the screw hole 1 to connect the pressing plate, the conveying rubber sealing plate and the impeller blade.

[0013] Preferably, the connecting mechanism comprises:

[0014] Two key blocks are symmetrically fixedly mounted on the surface of the rotating shaft, and the inner surface of the connecting sleeve is provided with key slots that are engaged with the key blocks;

[0015] and a connecting bolt which penetrates through and is threadedly connected to one end of the connecting sleeve; one end of the rotating shaft is connected to a screw hole 2 which is threadedly connected to the connecting bolt.

[0016] Preferably, the fixing mechanism comprises:

[0017] A limiting ring fixedly mounted on one end of the connecting sleeve, wherein the end surface of the limiting ring is provided with a plurality of through holes, and the outer surface of the connecting sleeve is provided with a plurality of slots, and the impeller blades are clamped in the slots;

[0018] And a stud fixedly mounted on one side of the impeller blade and penetrating through the through hole, a nut fixedly mounted on the surface of the stud.

[0019] Preferably, a maintenance plate is installed on one end surface of the valve body through a locking bolt, a handle is fixedly installed on one end surface of the maintenance plate, and a reduction motor is fixedly installed on the other end surface of the valve body, and the output end of the reduction motor movably penetrates into the valve body and is connected to the rotating shaft.

[0020] Preferably, a feed hopper is fixedly mounted on the top of the valve body surface, a discharge hopper is fixedly mounted on the bottom of the valve body surface, an anti-residue mechanism for vibrating the valve body is provided in the feed hopper, and an adjustment mechanism for changing the size of the discharge port is provided in the discharge hopper.

[0021] Preferably, the anti-residue mechanism comprises:

[0022] Two rotating rods connected between two sides of the inner wall of the feed hopper are symmetrically rotated;

[0023] and a collision plate fixedly mounted on the surface of the rotating rod.

[0024] Preferably, the adjustment mechanism comprises:

[0025] Two material discharge plates are symmetrically slidably connected to the discharge hopper, and both sides of the discharge hopper are provided with slide slots, and the two material discharge plates are respectively slidably connected to the two slide slots;

[0026] And two groups of electric push rods are symmetrically fixedly installed on the two sides of the discharge hopper through the base block, and the output ends of the two groups of electric push rods are respectively connected to the two unloading plates.

[0027] The working principle and beneficial effects of the utility model are:

[0028] When in use, the rotating shaft drives the impeller blade to rotate and transport materials through the connecting sleeve. At the same time, the conveying rubber sealing plate contacts the inner wall of the valve body, and the gap between the impeller blade and the valve body is filled through the conveying rubber sealing plate. The conveying rubber sealing plate can deform when subjected to external force. While ensuring the air locking effect of the discharge valve, it can also achieve the purpose of preventing material jamming, thereby realizing the effect of continuous and stable material transportation, reducing the failure rate of the discharge valve, the cost of manual cleaning and the safety risk, and effectively improving the effect and efficiency of material transportation.

[0029] When the impeller rotates to convey materials, the conveying rubber sealing plate can intermittently contact the collision plate and drive the rotating rod to rotate, so that the collision plate rotates and contacts the valve body to generate vibration, so as to shake off the material remaining on the valve body, thereby achieving the effect of preventing material residue and reducing material waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0031] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0032] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the valve body of the utility model;

[0033] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the connecting sleeve of the utility model;

[0034] Figure 4 It is a partial three-dimensional structural schematic diagram of the impeller blade of the utility model;

[0035] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the feed hopper of the utility model;

[0036] In the figure: 1. valve body; 2. rotating shaft; 3. key block; 4. connecting sleeve; 5. impeller blade; 6. pressure plate; 7. conveying rubber sealing plate; 8. fixing bolt; 9. limiting ring; 10. stud; 11. maintenance plate; 12. handle; 13. reduction motor; 14. feed hopper; 15. rotating rod; 16. collision plate; 17. discharge hopper; 18. unloading plate; 19. electric push rod. DETAILED DESCRIPTION

[0037] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0038] See also Figure 1 - Figure 5 The star-shaped rotary discharge valve provided by the utility model comprises: a valve body 1;

[0039] Rotate a rotating shaft 2 connected to one side of the inner wall of the valve body 1;

[0040] A connecting sleeve 4 is sleeved on the surface of the rotating shaft 2, and a connecting mechanism fixed to the rotating shaft 2 is provided on the connecting sleeve 4;

[0041] A plurality of impeller blades 5 are provided on the surface of the connecting sleeve 4 in the form of a circular ring, and a fixing mechanism for connection is provided between the impeller blades 5 and the connecting sleeve 4;

[0042] A pressure plate 6 disposed on one side of the impeller blade 5;

[0043] A conveying rubber sealing plate 7 is arranged between the pressing plate 6 and the impeller blade 5, and the surfaces of the conveying rubber sealing plate 7, the pressing plate 6 and the impeller blade 5 are all provided with a plurality of interconnected screw holes, and the surface of the conveying rubber sealing plate 7 is provided with a plurality of slits;

[0044] And a fixing bolt 8 which is threadedly connected in the screw hole 1 to connect the pressing plate 6, the conveying rubber sealing plate 7 and the impeller blade 5.

[0045] The technical solution provided by this embodiment is as follows: when in use, the conveying rubber sealing plate 7 is brought into contact with the impeller blade 5, and then the pressing plate 6 is pressed on the conveying rubber sealing plate 7, and the positions of the pressing plate 6 and the conveying rubber sealing plate 7 are adjusted so that the two are aligned with the screw holes on the impeller blade 5, and at the same time, the fixing bolts 8 are passed through the pressing plate 6 and the conveying rubber sealing plate 7 in sequence to connect with the impeller blade 5, so as to achieve the function of installing the conveying rubber sealing plate 7, and the fixing bolts 8 can be removed later to maintain the conveying rubber sealing plate 7, and then the impeller blade 5 is connected to the connecting sleeve 4 through the fixing mechanism, and the connecting sleeve 4 is connected through the connecting mechanism. It is connected and fixed to the rotating shaft 2. During the feeding process, the rotating shaft 2 drives the impeller blade 5 to rotate and feed the material through the connecting sleeve 4. At the same time, the conveying rubber sealing plate 7 contacts the inner wall of the valve body 1. Therefore, the gap between the impeller blade 5 and the valve body 1 is filled by the conveying rubber sealing plate 7. The conveying rubber sealing plate 7 is deformed when subjected to external force. While ensuring the air locking effect of the discharge valve, it can also achieve the purpose of preventing material jamming, thereby achieving the effect of continuous and stable material transportation, reducing the failure rate of the discharge valve, the cost of manual cleaning and the safety risk, and effectively improving the effect and efficiency of material feeding.

[0046] The control goal was achieved, and the problem of grid wheel blocking was completely solved, achieving the goal of continuous and stable system feeding.

[0047] Furthermore, the connection mechanism comprises:

[0048] Two key blocks 3 are symmetrically fixedly mounted on the surface of the rotating shaft 2, and the inner surface of the connecting sleeve 4 is provided with a key groove that is engaged with the key blocks 3;

[0049] And a connecting bolt is threadedly connected to one end of the connecting sleeve 4, and one end of the rotating shaft 2 is connected to a screw hole 2 which is threadedly connected to the connecting bolt.

[0050] Specifically, when installing the connecting sleeve 4, the connecting sleeve 4 is put on the rotating shaft 2, and the key block 3 is stuck in the key slot, and then the connecting bolt is screwed into the second screw hole to install the connecting sleeve 4. When conveying materials, the rotating shaft 2 cooperates with the key block 3 and the key slot to synchronously drive the connecting sleeve 4 to rotate, so that the impeller blade 5 rotates to convey materials. When maintaining the impeller blade 5 at a later time, the connecting bolt is removed and the connecting sleeve 4 is moved and removed to maintain the impeller blade 5, which is convenient for improving maintenance convenience.

[0051] Furthermore, the fixing mechanism comprises:

[0052] A limit ring 9 is fixedly mounted on one end of the connecting sleeve 4, a plurality of through holes are formed on the end surface of the limit ring 9, a plurality of slots are formed on the outer surface of the connecting sleeve 4, and the impeller blades 5 are connected in the slots;

[0053] And a stud 10 is fixedly mounted on one side of the impeller blade 5 and passes through the through hole, and a nut is fixedly mounted on the surface of the stud 10.

[0054] Specifically, when installing the impeller 5, the impeller 5 is inserted into the slot, the stud 10 is passed through the through hole, and the nut is screwed onto the stud 10 to contact the limit ring 9 for installation. Conversely, the impeller 5 can be removed by removing the nut, which is convenient for separate maintenance of the impeller 5 at a later time.

[0055] Furthermore, a maintenance plate 11 is installed on one end surface of the valve body 1 through a locking bolt, a handle 12 is fixedly installed on one end surface of the maintenance plate 11, and a reduction motor 13 is fixedly installed on the other end surface of the valve body 1. The output end of the reduction motor 13 movably penetrates into the valve body 1 and is connected to the rotating shaft 2.

[0056] Specifically, the maintenance plate 11 can be removed by holding the handle 12 and then dismantling the locking bolt, which is convenient for the later maintenance and replacement of the impeller blade 5. When conveying materials, the reduction motor 13 drives the rotating shaft 2 and the connecting sleeve 4 to rotate, thereby driving the impeller blade 5 to rotate for conveying materials.

[0057] Furthermore, a feed hopper 14 is fixedly installed on the top of the surface of the valve body 1 , and a discharge hopper 17 is fixedly installed on the bottom of the surface of the valve body 1 .

[0058] Specifically, by providing the feed hopper 14 , it is convenient to add materials into the valve body 1 for transportation, and by providing the discharge hopper 17 , it is convenient to discharge the materials entering the valve body 1 . Example 2

[0059] Based on the first embodiment, in this embodiment: an anti-residue mechanism for causing the valve body 1 to vibrate is provided in the feed hopper 14 .

[0060] Furthermore, the anti-residue mechanism includes:

[0061] Two rotating rods 15 connected between two sides of the inner wall of the feed hopper 14 are symmetrically rotated;

[0062] And a collision plate 16 fixedly mounted on the surface of the rotating rod 15, wherein the collision plate 16 is made of rubber material and can be deformed when the collision plate 16 is subjected to external force.

[0063] The technical solution provided by this embodiment is: when the impeller blade 5 rotates to convey the material, the conveying rubber sealing plate 7 can intermittently contact the collision plate 16 and drive the rotating rod 15 to rotate, so that the collision plate 16 rotates and collides with the valve body 1 to generate vibration, so as to shake off the material remaining on the valve body 1, thereby achieving the effect of preventing material residue and reducing material waste. Example 3

[0064] Based on the first embodiment, in this embodiment: an adjusting mechanism for changing the size of the discharge opening is provided in the discharge hopper 17 .

[0065] Furthermore, the regulating mechanism comprises:

[0066] Two discharge plates 18 are symmetrically slidably connected to the discharge hopper 17. Slide slots are provided on both sides of the discharge hopper 17. The two discharge plates 18 are slidably connected to the two slide slots respectively.

[0067] And two groups of electric push rods 19 are symmetrically fixedly installed on the two sides of the discharge hopper 17 through the base block, and the output ends of the two groups of electric push rods 19 are respectively connected to the two unloading plates 18.

[0068] The technical solution provided by this embodiment is: when the size of the discharge port needs to be changed, two groups of electric push rods 19 are used to drive the two discharge plates 18 to move relatively away or closer to each other to adjust the opening of the discharge hopper 17, thereby achieving the effect of adjusting the size of the discharge port, thereby improving the flexibility and functionality of the discharge valve.

[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Star-shaped rotary discharge valve, characterized in that: include: Valve body (1); Rotating a rotating shaft (2) connected to one side of the inner wall of the valve body (1); A connecting sleeve (4) sleeved on the surface of the rotating shaft (2), wherein the connecting sleeve (4) is provided with a connecting mechanism fixed to the rotating shaft (2); A plurality of impeller blades (5) are arranged in the form of a circular ring on the surface of the connecting sleeve (4), and a fixing mechanism for connection is provided between the impeller blades (5) and the connecting sleeve (4); A pressure plate (6) provided on one side of the impeller blade (5); a conveying rubber sealing plate (7) disposed between the pressing plate (6) and the impeller blade (5), wherein the surfaces of the conveying rubber sealing plate (7), the pressing plate (6) and the impeller blade (5) are all provided with a plurality of interconnected screw holes, and the surface of the conveying rubber sealing plate (7) is provided with a plurality of slits; and a fixing bolt (8) threadedly connected in the screw hole 1 to connect the pressing plate (6) and the conveying rubber sealing plate (7) and the impeller blade (5).

2. The star-shaped rotary discharge valve according to claim 1, characterized in that: The connecting mechanism comprises: Two key blocks (3) are symmetrically fixedly mounted on the surface of the rotating shaft (2), and the inner surface of the connecting sleeve (4) is provided with a key groove that is engaged with the key blocks (3); and a connecting bolt threadedly connected to one end of the connecting sleeve (4); one end of the rotating shaft (2) is connected to a second screw hole threadedly connected to the connecting bolt.

3. The star-shaped rotary discharge valve according to claim 1, characterized in that: The fixing mechanism comprises: A limit ring (9) fixedly mounted on one end of the connecting sleeve (4), the end surface of the limit ring (9) being provided with a plurality of through holes, the outer surface of the connecting sleeve (4) being provided with a plurality of slots, the impeller blades (5) being snap-fitted into the slots; and a stud (10) fixedly mounted on a side surface of the impeller blade (5) and penetrating the through hole, wherein a nut is fixedly mounted on the surface of the stud (10).

4. The star-shaped rotary discharge valve according to claim 1, characterized in that: A maintenance plate (11) is mounted on one end surface of the valve body (1) via a locking bolt, a handle (12) is fixedly mounted on one end surface of the maintenance plate (11), and a reduction motor (13) is fixedly mounted on the other end surface of the valve body (1), the output end of the reduction motor (13) movably penetrates into the valve body (1) and is connected to the rotating shaft (2).

5. The star-shaped rotary discharge valve according to claim 1, characterized in that: A feed hopper (14) is fixedly mounted on the top of the surface of the valve body (1), and a discharge hopper (17) is fixedly mounted on the bottom of the surface of the valve body (1). An anti-residue mechanism for causing the valve body (1) to vibrate is provided in the feed hopper (14), and an adjustment mechanism for changing the size of the discharge opening is provided in the discharge hopper (17).

6. The star-shaped rotary discharge valve according to claim 5, characterized in that: The anti-residue mechanism comprises: Two rotating rods (15) symmetrically rotated and connected between two sides of the inner wall of the feed hopper (14); and a collision plate (16) fixedly mounted on the surface of the rotating rod (15).

7. The star-shaped rotary discharge valve according to claim 5, characterized in that: The regulating mechanism comprises: Two discharge plates (18) symmetrically slidably connected to the discharge hopper (17), wherein two sides of the discharge hopper (17) are provided with slide grooves, and the two discharge plates (18) are respectively slidably connected to the two slide grooves; And two groups of electric push rods (19) are symmetrically fixedly installed on two sides of the discharge hopper (17) through a base block, and the output ends of the two groups of electric push rods (19) are respectively connected to the two discharge plates (18).

Citation Information

Patent Citations

  • Novel star-shaped discharge valve

    CN220077928U