A star-shaped discharge valve with weighing function

Abstract

The present invention relates to the technical field of ash hopper unloading, and discloses a star-shaped unloading valve with a weighing function, comprising a deceleration power assembly, a unloading valve body is provided on the rear side of the deceleration power assembly, a feed hopper is provided above the outer end of the unloading valve body, a weighing turning assembly is provided inside the unloading valve body, and end covers are provided on the left and right sides of the outer end of the unloading valve body. In the present invention, through the provided clamping disk, when the material falls on the weighing rotor plate, the weighing rotor plate is driven to move downward, and then the swing rod is driven to move at a certain angle, generating a downward pressure force, and the downward pressure force received will enter the force-bearing device, and the generated force data will be converted into an output signal through a weight sensor, and then transmitted outwardly. Through the Hall positioning turntable and the multi-channel rotating collector, the weight of the material carried on each weighing rotor plate can be known, thereby achieving the purpose of accurately controlling the material output.

Description

Technical Field

[0001] The invention relates to the technical field of ash hopper unloading, in particular to a star-shaped unloading valve with a weighing function. Background Art

[0002] Star dischargers are essential for dust removal, ventilation, and feeding other equipment. They are suitable for both powdered and granular materials and are widely used in environmental protection, metallurgy, chemical engineering, grain, and food industries.

[0003] A star-shaped discharge valve disclosed in Chinese invention patent application publication number CN113623356A includes a valve body, a receiving block is fixedly installed on both sides of the valve body, a connecting block is provided on the outside of the receiving block, the inner cavity of the valve body is rotatably connected to the impeller through a bearing, a receiving groove is provided inside the receiving block, a first slide groove is provided inside the receiving block and on both sides of the receiving groove, two through grooves are provided on the relatively distant side of the receiving block, a motor is provided on the back of the valve body, and a material guide groove is provided inside the connecting block. The present invention accommodates the impeller by providing a valve body, installs the limit rod by providing a connecting block, guides the material out by providing an impeller, and installs the second spring by providing a through groove. At the same time, it solves the problem that when the star-shaped unloading valve is unloading inside, the unloading valve and the mounting body may shake, causing it to loosen, resulting in material leakage and reducing the service life of the unloading valve. However, in actual use, the star-shaped unloading valve cannot accurately control the material conveying amount of the equipment due to the more or less filling rate between the blades of the rotor and the inaccurate correspondence between the motor operating frequency and the speed. Therefore, it is necessary to provide a star-shaped unloading valve with a weighing function to solve the above problems. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the present invention provides a star-shaped discharge valve with a weighing function, which has the advantage of accurately controlling the material conveying volume and solves the problem of not being able to accurately control the material conveying volume.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a star-shaped unloading valve with a weighing function, comprising a deceleration power assembly, a unloading valve body is provided at the rear side of the deceleration power assembly, a feed hopper is provided above the outer end of the unloading valve body, a weighing turning assembly is provided inside the unloading valve body, end covers are provided on the left and right sides of the outer end of the unloading valve body, a power collection and transmission assembly is provided on the right end of the end cover, a connecting reinforcement assembly is provided on the right side of the unloading valve body, a power transmission assembly is provided on the right end of the connecting reinforcement assembly, a support seat is provided at the lower end of the unloading valve body, the weighing turning assembly comprises a clamping disk, a weighing rotor plate, a swing rod, a reset spring, a force bearer and a weight sensor, the rear end of the clamping disk is provided with a weighing rotor plate, a swing rod is provided inside the weighing rotor plate, a reset spring is provided below the outer end of the swing rod, a force bearer is provided at the lower end of the swing rod, and a weight sensor is provided at the lower end of the force bearer.

[0006] Preferably, the deceleration power assembly includes a reducer, a mounting base and an isolation arc plate. The lower end of the reducer is provided with a mounting base, and the left side of the upper end of the mounting base is provided with an isolation arc plate.

[0007] Preferably, the current collection and transmission assembly includes a rotary bearing, a Hall positioning turntable and a multi-way rotary current collector. The left end of the rotary bearing is provided with a Hall positioning turntable, and the left end of the Hall positioning turntable is provided with a multi-way rotary current collector.

[0008] Preferably, the connection reinforcement assembly includes a positioning block, a reinforcement connecting rod and a conduction shaft, the reinforcement connecting rods are symmetrically distributed on the outer end of the positioning block, and the conduction shaft is provided on the inner side of the positioning block.

[0009] Preferably, the power transmission component includes a protective shell, a holding ring 1, a holding ring 2 and a guide chain. The holding ring 1 is provided on the left side of the inside of the protective shell, the holding ring 2 is provided on the right side of the holding ring 1, and the outer ends of the holding ring 2 and the holding ring 1 are provided with guide chains.

[0010] Preferably, the discharge valve body and the feed hopper are directly connected to each other, the end cover and the discharge valve body are directly clamped to each other, the outer end of the end cover is symmetrically provided with reinforcing screws, the upper end of the support seat is provided with threaded holes, and there are six symmetrically distributed threaded holes.

[0011] Preferably, the left and right sides of the outer end of the weighing rotor piece extend into the inner side of the clamping disk, and the weighing rotor piece can move at a limited angle on the inner side of the clamping disk. There are six symmetrically distributed weighing rotor pieces, the front end of the swing rod extends into the interior of the weighing rotor piece, and the rear end of the swing rod extends into the interior of the force bearer. The reset springs are symmetrically distributed on the outside of the swing rod, and there are six reset springs. The force bearer is electrically connected to the weight sensor.

[0012] Preferably, magnetic steel is symmetrically distributed on the outside of the Hall positioning turntable, the right end of the multi-way rotating current collector extends into the interior of the rotating bearing, the Hall positioning turntable is made of a PCB printed circuit board, and six Hall sensing elements are evenly distributed on the outer circumference, and the Hall sensing elements are mounted on the printed circuit pad by soldering.

[0013] Preferably, a four-corner groove is provided on the inner side of the holding ring 1, a threaded hole is provided on the inner side of the holding ring 2, and teeth are distributed on the outer sides of the holding ring 1 and the holding ring 2, and the guide chain is adapted to the teeth.

[0014] Compared with the prior art, the present invention provides a star-shaped discharge valve with a weighing function, which has the following beneficial effects:

[0015] This star-shaped discharge valve with weighing function, through the provided clamping plate, drives the weighing rotor plate to move downward when the material falls on the weighing rotor plate, and then drives the swing rod to move at a certain angle, generating a certain downward pressure. The downward pressure force will enter the force-bearing device, and the generated force data will be converted into an output signal through the weight sensor and then transmitted outward. Through the Hall positioning turntable and the multi-channel rotating collector, the weight of the material carried on each weighing rotor plate can be known, thereby achieving the purpose of accurately controlling the material output. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a star-shaped discharge valve with a weighing function proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of the planar structure of a star-shaped discharge valve power collection and transmission assembly with a weighing function proposed by the present invention;

[0018] Figure 3 This is a schematic cross-sectional structure diagram of a weighing and turning assembly of a star-shaped discharge valve with a weighing function proposed by the present invention;

[0019] Figure 4 The invention proposes a star-shaped discharge valve with weighing function. Figure 3 A in the middle is an enlarged structural diagram;

[0020] Figure 5 This is a schematic diagram of the three-dimensional structure of a connection reinforcement assembly of a star-shaped discharge valve with a weighing function proposed by the present invention;

[0021] Figure 6 This is a schematic diagram of the three-dimensional structure of a power transmission component of a star-shaped discharge valve with a weighing function proposed by the present invention;

[0022] Figure 7This is a schematic diagram of the three-dimensional structure of a star-shaped discharge valve deceleration power assembly with a weighing function proposed by the present invention.

[0023] In the figure: 1. Deceleration power assembly; 2. Discharge valve body; 3. Feed hopper; 4. Weighing and turning assembly; 5. End cover; 6. Current collection and transmission assembly; 7. Connection and reinforcement assembly; 8. Power transmission assembly; 9. Support seat; 101. Reducer; 102. Mounting base; 103. Isolation arc plate; 401. Clamping disk; 402. Weighing rotor plate; 403. Swinging rod; 404. Reset spring; 405. Force bearer; 406. Weight sensor; 601. Rotating bearing; 602. Hall positioning turntable; 603. Multi-way rotating current collector; 701. Positioning block; 702. Reinforced connecting rod; 703. Transmission shaft; 801. Protective shell; 802. Holding ring 1; 803. Holding ring 2; 804. Guide chain. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-7, a star-shaped discharge valve with a weighing function is shown, comprising a deceleration power component 1, a discharge valve body 2 is welded and installed on the rear side of the deceleration power component 1, a feed hopper 3 is welded and installed above the outer end of the discharge valve body 2, the discharge valve body 2 and the feed hopper 3 are directly connected to each other, the internal clamping of the discharge valve body 2 is clamped and installed with a weighing turning component 4, the left and right sides of the outer end of the discharge valve body 2 are screwed with end covers 5, the end covers 5 and the discharge valve body 2 are directly clamped with each other, and the outer ends of the end covers 5 are symmetrically distributed with reinforcing screws, the right end of the end cover 5 is screwed with a current collecting and transmitting component 6, and the right side of the discharge valve body 2 is welded with a connecting reinforcement component 7, which is connected and reinforced. The right end of the solid component 7 is welded with a power transmission component 8, the lower end of the discharge valve body 2 is welded with a support seat 9, the upper end of the support seat 9 is provided with a threaded hole, and there are six threaded holes symmetrically distributed. The weighing turning component 4 includes a clamping disk 401, a weighing rotor piece 402, a swing rod 403, a reset spring 404, a force bearer 405 and a weight sensor 406. The rear end of the clamping disk 401 is slidably mounted with a weighing rotor piece 402. The left and right sides of the outer end of the weighing rotor piece 402 extend into the inner side of the clamping disk 401. The weighing rotor piece 402 can move at a limited angle on the inner side of the clamping disk 401. The weighing rotor piece 402 can move at a limited angle on the inner side of the clamping disk 401. 2 There are six symmetrically distributed pieces. The inner lower end of the weighing rotor piece 402 is sleeved with a swing rod 403. The front end of the swing rod 403 extends into the interior of the weighing rotor piece 402, and the rear end of the swing rod 403 extends into the interior of the force-bearing device 405. A reset spring 404 is clamped and installed below the outer end of the swing rod 403. The reset springs 404 are symmetrically distributed on the outer side of the swing rod 403. There are six reset springs 404. The lower end of the swing rod 403 is sleeved with a force-bearing device 405. The lower end of the force-bearing device 405 is threadedly mounted with a weight sensor 406. The force-bearing device 405 and the weight sensor 406 are electrically connected. Through the design of the clamping disk 401, the weighing rotor piece 402 can be clamped and fixed so that its movement is within a specific range. When the material falls on the weighing rotor piece 402, it drives the weighing rotor piece 402 to move downward, and then drives the swing rod 403 to move at a certain angle, generating a certain downward pressure. The downward pressure will enter the force receiver 405, and the generated force data will be converted into an output signal through the weight sensor 406 and transmitted outward, so as to know the weight of the material carried on each weighing rotor piece 402, thereby achieving the purpose of accurately controlling the material output.

[0026] As a preferred embodiment of the present invention, Figure 2 and Figure 7As shown, the deceleration power assembly 1 includes a reducer 101, a mounting base 102 and an isolation arc plate 103. The lower end of the reducer 101 is screwed with the mounting base 102, and the isolation arc plate 103 is welded and installed on the left side of the upper end of the mounting base 102; through the design of the isolation arc plate 103, the reducer 101 and the discharge valve body 2 are separated, and the effect of mutual isolation is played, so that they will not affect each other; the current collection and transmission assembly 6 includes a rotating bearing 601, a Hall positioning turntable 602 and a multi-way rotating current collector 603. The left end of the rotating bearing 601 is screwed with the Hall positioning turntable 602. The Hall positioning turntable 602 is made of a PCB printed circuit board, and six Hall sensing elements are evenly distributed on the outer circumference. The Hall sensing elements are installed on the printed circuit pad by soldering. The Hall positioning turntable 602 Magnetic steel is symmetrically distributed on the outside, and a multi-channel rotating collector 603 is threadedly installed on the left end of the Hall positioning turntable 602, and the right end of the multi-channel rotating collector 603 extends into the interior of the rotating bearing 601; through the set rotating bearing 601, the Hall positioning turntable 602 and the multi-channel rotating collector 603 can rotate together with the internal weighing and turning component 4. Through the design of the Hall sensing element inside the Hall positioning turntable 602, the internally transmitted signal can be converted into a Hall transmission signal and wirelessly transmitted to an external receiving device, and the design of the multi-channel rotating collector 603 can collect electrical signals from rotating to static collection, thereby realizing the transmission of multi-channel electrical signals that follow the rotation to static multi-channel electrical signals. The rotating collector with the same number of channels can be selected according to the number of signals.

[0027] In the present invention, Figure 5 As shown, the connection reinforcement component 7 includes a positioning block 701, a reinforcement connecting rod 702 and a conduction shaft 703. The outer end of the positioning block 701 is symmetrically distributed with the reinforcement connecting rod 702, and the reinforcement method of the two is welding installation. The inner side of the positioning block 701 is sleeved and installed with the conduction shaft 703, and the outer side of the right end of the conduction shaft 703 is welded and installed with four corner clamps; through the design of the positioning block 701, the conduction shaft 703 is not easy to produce angle changes after working for a long time, which affects the conduction of power. In addition, the positioning block 701 is welded and installed on the right end cover 5 through the reinforcement connecting rod 702 to improve the stability of the structure.

[0028] In the present invention, Figure 6As shown, the power transmission component 8 includes a protective shell 801, a holding ring 1 802, a holding ring 2 803 and a guide chain 804. The holding ring 1 802 is installed on the left side of the protective shell 801, and the inner side of the holding ring 1 802 is provided with four corner slots. The holding ring 2 803 is installed on the right side of the holding ring 1 802, and the inner side of the holding ring 2 803 is provided with a threaded hole. The outer sides of the holding ring 1 802 and the holding ring 2 803 are both distributed with latching teeth. The outer ends of the holding ring 2 803 and the holding ring 1 802 are clamped and installed with the guide chain 804, and the guide chain 804 is adapted to the latching teeth. Through the latching teeth on the outer ends of the holding ring 1 802 and the holding ring 2 803, they are clamped and rotated with the guide chain 804, so that they are not easy to get off the chain during work, thereby improving the stability of power transmission, and the external installation of the transmission device makes its later maintenance faster and more convenient.

[0029] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0030] In summary, when the star-shaped discharge valve with weighing function starts working, the material is fed into the upper end of the weighing rotor piece 402 inside the discharge valve body 2 through the feed hopper 3. Through the provided clamping plate 401, when the material falls on the weighing rotor piece 402, it drives the weighing rotor piece 402 to move downward, and then drives the swing rod 403 to move at a certain angle, generating a certain downward pressure force. The downward pressure force received will enter the force bearer 405, and the generated force data will be converted into an output signal through the weight sensor 406, and then transmitted outward. Through the Hall positioning turntable 602 and the multi-channel rotating collector 603, the weight of the material carried on each weighing rotor piece 402 can be known, thereby achieving the purpose of accurately controlling the material output.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only 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 "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0032] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A star-shaped discharge valve with a weighing function, comprising a deceleration power assembly (1), characterized in that: The rear side of the deceleration power assembly (1) is provided with a discharge valve body (2), a feed hopper (3) is provided above the outer end of the discharge valve body (2), a weighing and turning assembly (4) is provided inside the discharge valve body (2), end covers (5) are provided on the left and right sides of the outer end of the discharge valve body (2), a power collection and transmission assembly (6) is provided on the right end of the end cover (5), a connection reinforcement assembly (7) is provided on the right side of the discharge valve body (2), a power transmission assembly (8) is provided on the right end of the connection reinforcement assembly (7), and the lower end of the discharge valve body (2) is provided with a power transmission assembly (8). The end of the weighing material turning assembly (4) is provided with a support seat (9), and the weighing material turning assembly (4) includes a clamping disk (401), a weighing rotor piece (402), a swing rod (403), a return spring (404), a force receiving device (405) and a weight sensor (406). The rear end of the clamping disk (401) is provided with a weighing rotor piece (402), the inside of the weighing rotor piece (402) is provided with a swing rod (403), the lower end of the outer end of the swing rod (403) is provided with a return spring (404), and the lower end of the swing rod (403) is provided with a force receiving device (405). The force receiving device (405) is provided with a weight sensor (406) at the lower end of the force receiving device (405); the current collecting and transmitting component (6) includes a rotating bearing (601), a Hall positioning turntable (602) and a multi-way rotating current collector (603); the left end of the rotating bearing (601) is provided with a Hall positioning turntable (602), and the left end of the Hall positioning turntable (602) is provided with a multi-way rotating current collector (603); the connection reinforcement component (7) includes a positioning block (701), a reinforcement connecting rod (702) and a conduction shaft ( 703), the outer end of the positioning block (701) is symmetrically distributed with a reinforcing connecting rod (702), and the inner side of the positioning block (701) is provided with a conducting shaft (703); the outer side of the Hall positioning turntable (602) is symmetrically distributed with magnetic steel, the right end of the multi-way rotating collector (603) extends into the interior of the rotating bearing (601), and the Hall positioning turntable (602) is made of a PCB printed circuit board, and six Hall sensing elements are evenly distributed around the outer circumference, and the Hall sensing elements are mounted on the printed circuit pad by soldering.

2. A star-shaped discharge valve with a weighing function according to claim 1, characterized in that: The deceleration power assembly (1) comprises a reducer (101), a mounting base (102) and an isolation arc plate (103). The mounting base (102) is provided at the lower end of the reducer (101), and the isolation arc plate (103) is provided on the left side of the upper end of the mounting base (102).

3. The star-shaped discharge valve with weighing function according to claim 1, characterized in that: The power transmission component (8) comprises a protective shell (801), a holding ring 1 (802), a holding ring 2 (803) and a guide chain (804), wherein the left side of the interior of the protective shell (801) is provided with a holding ring 1 (802), the right side of the holding ring 1 (802) is provided with a holding ring 2 (803), and the outer ends of the holding ring 2 (803) and the holding ring 1 (802) are provided with a guide chain (804).

4. The star-shaped discharge valve with weighing function according to claim 1, characterized in that: The discharge valve body (2) and the feed hopper (3) are directly connected to each other, the end cover (5) and the discharge valve body (2) are directly clamped to each other, the outer end of the end cover (5) is symmetrically provided with reinforcing screws, and the upper end of the support seat (9) is provided with threaded holes, and the threaded holes are symmetrically distributed in six numbers.

5. The star-shaped discharge valve with weighing function according to claim 1, characterized in that: The left and right sides of the outer end of the weighing rotor piece (402) extend into the inner side of the clamping disk (401), and the weighing rotor piece (402) can move at a limited angle on the inner side of the clamping disk (401). The weighing rotor piece (402) is symmetrically distributed with six pieces. The front end of the swing rod (403) extends into the interior of the weighing rotor piece (402), and the rear end of the swing rod (403) extends into the interior of the force receiving device (405). The return springs (404) are symmetrically distributed on the outer side of the swing rod (403). There are six return springs (404). The force receiving device (405) is electrically connected to the weight sensor (406).

6. The star-shaped discharge valve with weighing function according to claim 3, characterized in that: The inner side of the holding ring 1 (802) is provided with four corner slots, the inner side of the holding ring 2 (803) is provided with threaded holes, and the outer sides of the holding ring 1 (802) and the holding ring 2 (803) are both provided with latching teeth, and the guide chain (804) is adapted to the latching teeth.

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