Anti-blocking device of discharging bin
By combining a vibration mechanism and airflow, the rotating shaft and the wrapping sleeve drive the contact rod to rotate, solving the problem of clogging in the unloading hopper and achieving efficient powder discharge and improved safety.
Patent Information
- Application Number
- CN202421056074.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-15
AI Technical Summary
Traditional methods for dealing with clogging of unloading hoppers are inefficient and pose a risk of sparks and explosions, especially when used in dusty environments.
It employs a combination of vibration mechanism and airflow, using a rotating shaft and a sleeve to drive the contact rod to rotate, and using annular protrusions and airflow to knock and blow away the powder, preventing blockage.
It improves the working efficiency of the unloading hopper, avoids the risk of explosion caused by sparks, and ensures safe and efficient powder discharge.
Smart Images

Figure CN222311502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field, in particular to an anti-blocking device for a discharge bin. Background Art
[0002] The raw materials placed in the silo will be blocked due to extrusion. The traditional solution is to knock and vibrate the blockage to remove it. However, this method will cause the silo to deform if used for a long time, and the knocking and vibration efficiency is low.
[0003] The existing solution is to install a motor at the discharge port to drive the stirring shaft to rotate to prevent blockage, but the motor generates sparks when it is working, and dust explosion is likely to occur when the raw materials in the silo are dust. Therefore, we propose an anti-blocking device for the discharge silo. Utility Model Content
[0004] The purpose of the utility model is to provide an anti-blocking device for a discharge bin to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-blocking device for a unloading bin, comprising a fixed sleeve, a support frame is fixedly installed inside the fixed sleeve, a vibration mechanism is fixedly installed in the middle of the upper support frame, and a power source is fixedly installed in the middle of the lower support frame, the vibration mechanism comprises an outer shell, an upper end cover is rotatably connected inside the outer shell, a lower end cover is fixedly connected inside the outer shell, a touch rod is slidably sleeved in the middle of the upper end cover, a wrapping sleeve is provided inside the outer shell, the wrapping sleeve contacts the bottom end of the touch rod, a rotating shaft is fixedly installed on the bottom end of the wrapping sleeve, the rotating shaft passes through the lower end cover and is fixedly connected to the power source, an annular protrusion is fixedly installed on the upper surface of the lower end cover, a connecting ring is fixedly installed on the outer surface of the touch rod below the wrapping sleeve, and the connecting ring and the wrapping sleeve are fixedly connected by a reset spring.
[0006] Preferably, the power source includes a rotating sleeve, which is fixedly sleeved on the middle part of the bottom support frame, one end of the rotating sleeve is provided with an air inlet, and the side away from the air inlet is provided with an air outlet, the rotating shaft is rotatably connected to the inside of the rotating sleeve, and the outer surface of the rotating shaft located inside the rotating sleeve is fixedly mounted with blades.
[0007] Preferably, the air outlet of the rotating sleeve is arranged above the side away from the air inlet, the rotating shaft and the wrapping sleeve are hollow, the outer surface of the rotating shaft located above the rotating sleeve is rotatably connected with an air inlet ring, the air inlet ring is connected and penetrated with the air outlet, the rotating shaft is connected and penetrated with the air inlet ring, the touch rod is hollow, the top end of the touch rod is provided with an exhaust port, and the outer surface of the touch rod located inside the wrapping sleeve is provided with a notch connected with the wrapping sleeve.
[0008] Preferably, the exhaust port is arranged to be inclined downward, and a baffle reflecting airflow is fixedly mounted on the outer surface of the touch rod.
[0009] Preferably, the top ends of the touch rods are inclined outwards, and adjacent touch rods have different outward inclination lengths.
[0010] Preferably, there are a plurality of annular protrusions, the plurality of annular protrusions are spaced in an array, and adjacent annular protrusions have different heights.
[0011] Preferably, the upper end cover is conical in shape, and a protrusion rotatably connected to the inside of the shell is provided at the bottom end of the upper end cover.
[0012] Preferably, the cross-sectional shape of the fixing sleeve is a "concave" shape, and a threaded hole penetrating through both inner and outer sides is provided on the side wall of the fixing sleeve.
[0013] Preferably, there are multiple support frames, which are distributed in a ring array and are inclined.
[0014] Preferably, a limit block is arranged on the surface of the touch rod, and a limit groove adapted to the limit block is opened in the middle of the upper end cover.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model is connected with the air supply mechanism through the air inlet, and the high-speed gas blows the blades to rotate, and then the touch rod is driven to rotate through the traditional rotation shaft and the wrapping sleeve. Since the bottom end of the touch rod is provided with an annular protrusion, the touch rod is squeezed to move up and down while rotating, so that the powder can be knocked to fall off, thereby solving the problem of powder blockage at the discharge port.
[0017] 2. The utility model can be provided with an air inlet ring to guide the airflow through the rotating shaft and the wrapping sleeve to the inside of the touch rod and discharge it upward through the exhaust port. When the touch rod rotates and strikes, the high-speed airflow can be used to blow the powder to accelerate the powder falling off, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a half-section schematic diagram of the whole utility model;
[0019] Figure 2 This is a half-section schematic diagram of the fixing sleeve of the utility model;
[0020] Figure 3 This is a schematic diagram of the inner ring of the fixed sleeve of the utility model;
[0021] Figure 4 This is a schematic diagram of the connection of the rotary sleeve of the utility model;
[0022] Figure 5 This is a schematic diagram of the rotary shaft connection of the utility model;
[0023] Figure 6 This is a schematic diagram of the connection of the touch rod of the utility model;
[0024] Figure 7 It is a half-section schematic diagram of the touch rod of the utility model.
[0025] In the figure: 1-fixed sleeve; 2-support frame; 3-vibration mechanism; 4-power source; 5-threaded hole; 301-housing; 302-lower end cover; 303-touch rod; 304-wrapping sleeve; 305-rotating shaft; 306-annular protrusion; 307-connecting ring; 308-reset spring; 309-upper end cover; 401-rotating sleeve; 402-air inlet; 403-air outlet; 404-blade; 405-air inlet ring; 406-exhaust port; 407-notch; 408-blocking piece. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in 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 in 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.
[0027] See also Figure 1-7 The utility model provides a technical solution: an anti-blocking device for a discharge bin, comprising a fixed sleeve 1, the cross-sectional shape of the fixed sleeve 1 is a "concave" shape, and the side wall of the fixed sleeve 1 is provided with a threaded hole 5 penetrating the inner and outer sides, so that it can be conveniently connected with the discharge port by thread.
[0028] A support frame 2 is fixedly installed inside the fixing sleeve 1. There are multiple support frames 2, which are distributed in a ring array. The support frames 2 are tilted, and such a setting can ensure that the device is evenly stressed.
[0029] A vibration mechanism 3 is fixedly installed in the middle of the upper support frame 2, and a power source 4 is fixedly installed in the middle of the lower support frame 2. The vibration mechanism 3 includes a shell 301, and the interior of the shell 301 is rotatably connected to an upper end cover 309. The upper end cover 309 is conical in shape, and the bottom end of the upper end cover 309 is provided with a protrusion rotatably connected to the interior of the shell 301. This arrangement can prevent powder from accumulating on the upper end cover 309.
[0030] The lower end cover 302 is fixedly connected to the inside of the shell 301, and the middle part of the upper end cover 309 is slidably sleeved with the touch rod 303. A limit block is set on the surface of the touch rod 303, and a limit groove adapted to the limit block is opened in the middle part of the upper end cover 309. This arrangement can prevent the touch rod 303 from rotating.
[0031] The inside of the housing 301 is provided with a wrapping sleeve 304, and the wrapping sleeve 304 wraps around the bottom end of the contact rod 303. The bottom end of the wrapping sleeve 304 is fixedly installed with a rotating shaft 305, and the rotating shaft 305 passes through the lower end cover 302 and is fixedly connected to the power source 4. The upper surface of the lower end cover 302 is fixedly installed with an annular protrusion 306. The top of the touch rod 303 is tilted outward, and the adjacent touch rods 303 have different outward tilt lengths. Such an arrangement can change the knocking range. There are multiple annular protrusions 306, and the multiple annular protrusions 306 are array-spaced, and the heights of adjacent annular protrusions 306 are different. Such an arrangement can change the vibration amplitude. The outer surface of the touch rod 303 located below the wrapping sleeve 304 is fixedly installed with a connecting ring 307, and the connecting ring 307 and the wrapping sleeve 304 are fixedly connected by a reset spring 308.
[0032] The power source 4 includes a rotating sleeve 401, which is fixedly sleeved on the middle part of the bottom support frame 2. An air inlet 402 is provided at one end of the rotating sleeve 401, and an air outlet 403 is provided on the side away from the air inlet 402. The rotating shaft 305 is rotatably connected to the inside of the rotating sleeve 401, and blades 404 are fixedly installed on the outer surface of the rotating shaft 305 located inside the rotating sleeve 401. Such an arrangement can avoid explosions caused by sparks generated during operation.
[0033] The air outlet 403 of the rotating sleeve 401 is arranged above the side away from the air inlet 402, the rotating shaft 305 and the wrapping sleeve 304 are hollow, the outer surface of the rotating shaft 305 located above the rotating sleeve 401 is rotatably connected with an air inlet ring 405, the air inlet ring 405 is connected and connected with the air outlet 403, the rotating shaft 305 is connected and connected with the air inlet ring 405, the touch rod 303 is hollow, the top of the touch rod 303 is provided with an exhaust port 406, the outer surface of the touch rod 303 located inside the wrapping sleeve 304 is provided with a notch 407 connected with the wrapping sleeve 304, through such a setting, the powder can be blown by gas, so that the accumulated powder can be blown away. The exhaust port 406 is arranged obliquely downward, and a baffle 408 reflecting airflow is fixedly installed on the outer surface of the touch rod 303, through such a setting, the accumulation of powder at the exhaust port 406 can be avoided.
[0034] Working principle: When blockage occurs, the air inlet 402 is connected to the air supply mechanism, and the high-speed gas blows the blade 404 to rotate, which can then drive the touch rod 303 to rotate through the rotation shaft 305 and the wrapping sleeve 304. Since the bottom end of the touch rod 303 is provided with an annular protrusion 306, the touch rod 303 is squeezed to move up and down while rotating, so that the powder can be knocked to fall off. At the same time, an air inlet ring 405 can be provided to guide the airflow through the rotating shaft 305 and the wrapping sleeve 304 to the inside of the touch rod 303 and discharge it upward through the exhaust port 406. The high-speed airflow blows the powder to accelerate the falling of the powder.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An anti-blocking device for a discharge bin, comprising a fixing sleeve (1), characterized in that: A support frame (2) is fixedly installed inside the fixed sleeve (1), a vibration mechanism (3) is fixedly installed in the middle of the upper support frame (2), and a power source (4) is fixedly installed in the middle of the lower support frame (2); The vibration mechanism (3) comprises a shell (301), an upper end cover (309) is rotatably connected to the inside of the shell (301), a lower end cover (302) is fixedly connected to the inside of the shell (301), a middle portion of the upper end cover (309) is slidably sleeved with a touch rod (303), a wrapping sleeve (304) is provided inside the shell (301), the wrapping sleeve (304) sleeves the bottom end of the touch rod (303), a rotating shaft (305) is fixedly mounted on the bottom end of the wrapping sleeve (304), the rotating shaft (305) passes through the lower end cover (302) and is fixedly connected to the power source (4), an annular protrusion (306) is fixedly mounted on the upper surface of the lower end cover (302), a connecting ring (307) is fixedly mounted on the outer surface of the touch rod (303) located below the wrapping sleeve (304), and the connecting ring (307) and the wrapping sleeve (304) are fixedly connected via a return spring (308).
2. The anti-blocking device for a discharge bin according to claim 1, characterized in that: The power source (4) comprises a rotating sleeve (401), the rotating sleeve (401) being fixedly sleeved on the middle part of the bottom support frame (2), an air inlet (402) being provided at one end of the rotating sleeve (401), and an air outlet (403) being provided at a side away from the air inlet (402), a rotating shaft (305) being rotatably connected to the inside of the rotating sleeve (401), and blades (404) being fixedly mounted on the outer surface of the rotating shaft (305) located inside the rotating sleeve (401).
3. The anti-blocking device for a discharge bin according to claim 2, characterized in that: The air outlet (403) of the rotating sleeve (401) is arranged above the side away from the air inlet (402); the rotating shaft (305) and the wrapping sleeve (304) are hollow; the outer surface of the rotating shaft (305) located above the rotating sleeve (401) is rotatably connected to an air inlet ring (405); the air inlet ring (405) is connected to and penetrates the air outlet (403); and the rotating shaft (305) is connected to and penetrates the air inlet ring (405); The touch rod (303) is hollow, and an exhaust port (406) is provided at the top end of the touch rod (303). The outer surface of the touch rod (303) located inside the wrapping sleeve (304) is provided with a notch (407) that is in communication with the wrapping sleeve (304).
4. The anti-blocking device for a discharge bin according to claim 3, characterized in that: The exhaust port (406) is arranged to be tilted downward, and a baffle (408) for reflecting airflow is fixedly mounted on the outer surface of the touch rod (303).
5. The anti-blocking device for a discharge bin according to any one of claims 1 to 4, characterized in that: The top end of the touch rod (303) is inclined outwards, and adjacent touch rods (303) have different outward inclination lengths.
6. The anti-blocking device for a discharge bin according to claim 1, characterized in that: The number of the annular protrusions (306) is multiple, the multiple annular protrusions (306) are spaced in an array, and the heights of adjacent annular protrusions (306) are different.
7. The anti-blocking device for a discharge bin according to claim 1, characterized in that: The upper end cover (309) is conical in shape, and a protrusion rotatably connected to the inside of the housing (301) is provided at the bottom end of the upper end cover (309).
8. The anti-blocking device for a discharge bin according to claim 1, characterized in that: The cross-sectional shape of the fixing sleeve (1) is a "concave" shape, and a threaded hole (5) penetrating the inner and outer sides of the fixing sleeve (1) is provided on the side wall.
9. The anti-blocking device for a discharge bin according to claim 1, characterized in that: The number of the support frames (2) is multiple, the multiple support frames (2) are distributed in a ring array, and the support frames (2) are arranged obliquely.
10. The anti-blocking device for a discharge bin according to claim 1, characterized in that: A limit block is provided on the surface of the touch rod (303), and a limit groove adapted to the limit block is provided in the middle of the upper end cover (309).
Citation Information
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