Automatic starting and stopping device for vibrating screen

Abstract

The automatic starting and stopping device comprises the vibrating screen, a slurry outlet pipe, a rotating rod and a detection assembly, the slurry outlet pipe is arranged at the top of the vibrating screen, an inlet of the slurry outlet pipe is connected with a slurry pump, an outlet of the slurry outlet pipe is arranged opposite to the vibrating screen, the rotating rod is rotationally arranged at the bottom of the slurry outlet pipe, and a baffle is arranged at one end of the rotating rod. The baffle is matched with an outlet of the slurry outlet pipe, and a detection assembly is arranged on the side, away from the baffle, of the rotating rod and used for detecting the rotating state of the baffle. The baffle and the rotating rod can be driven to rotate under the action of slurry in the slurry outlet pipe, the flow condition of the slurry in the slurry outlet pipe can be detected in cooperation with the detection assembly, and the detection assembly sends a start-stop signal to the vibrating screen, so that the vibrating screen is started or stopped along with the rotating state of the baffle, and manual start-stop of the vibrating screen is not needed; and the cost can be effectively saved.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screens, in particular to an automatic start-stop device for vibrating screens. Background Art

[0002] In the ceramic industry, it is generally necessary to screen the mud for ceramic production. Currently, the mud material screening generally starts the vibrating screen in advance, and then starts the material transfer system after the vibrating screen starts, and transports the mud to the vibrating screen for screening. In the mud screening site, the distance between the mud pump and the vibrating screen is generally long. Manually starting and stopping the mud pump and vibrating screen will consume a lot of time, resulting in energy waste caused by air transportation of the vibrating screen. When the vibrating screen is started by controlling the start of the mud pump, the distance between the vibrating screen and the mud pump is long, which will also cause the connecting line to be too long, making wiring inconvenient and unsafe, and will also increase costs.

[0003] In view of this, the existing technology still needs to be improved and developed. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide an automatic start-stop device for a vibrating screen, aiming to solve the problem that the existing mud pump and the vibrating screen both need to be started and stopped separately.

[0005] The technical solutions adopted by the present invention to solve the technical problems are as follows:

[0006] A vibrating screen automatic start-stop device comprising:

[0007] Vibrating screen;

[0008] A slurry discharge pipe, one end of which is connected to the slurry pump and the other end of which is vertically arranged on the top of the vibrating screen;

[0009] A rotating rod is rotatably arranged at the bottom of the pulp outlet pipe; a baffle is arranged at one end of the rotating rod, and a reset assembly is arranged at the other end, and the baffle cooperates with the outlet of the pulp outlet pipe to cover or open the outlet of the pulp outlet pipe;

[0010] The detection component is arranged on a side of the rotating rod away from the baffle; the detection component is used to detect the rotation state of the baffle, and the detection component is electrically connected to the vibrating screen to send a start / stop signal to the vibrating screen.

[0011] Furthermore, the reset component includes:

[0012] A counterweight block is arranged at one end of the rotating rod away from the baffle; the weight of the counterweight block is greater than the weight of the baffle.

[0013] Furthermore, the reset component includes:

[0014] A torsion spring is sleeved on the rotating shaft of the rotating rod; one end of the torsion spring is supported on the rotating rod, and the other end is supported on the pulp outlet pipe, so that the baffle blocks the outlet of the pulp outlet pipe.

[0015] Furthermore, a rotating block is provided on the outer surface of the slurry discharge pipe, a rotating hole is provided at one end of the rotating block away from the slurry discharge pipe, a matching hole is provided on the top of the rotating rod, and the matching hole is rotatably connected to the rotating hole through a rotating shaft.

[0016] Furthermore, the detection component includes:

[0017] a detection rod, disposed at an end of the rotating rod away from the baffle;

[0018] A proximity switch is arranged on the outside of the pulp outlet pipe; the detection rod cooperates with the proximity switch, and the proximity switch is electrically connected to the vibrating screen.

[0019] Furthermore, the detection rod gradually moves away from the pulp outlet pipe from one end connected to the rotating rod to the other end.

[0020] Furthermore, a support rod is provided on the outer side of the slurry discharge pipe, a fixing hole is provided on one end of the support rod away from the slurry discharge pipe, and the proximity switch is provided in the fixing hole.

[0021] Furthermore, the baffle is circular, and the diameter of the baffle is greater than or equal to the outlet diameter of the slurry outlet pipe.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] In the utility model, a slurry discharge pipe is provided on the top of the vibrating screen, the inlet of the slurry discharge pipe is connected to the slurry pump, the outlet of the slurry discharge pipe is arranged opposite to the vibrating screen, and a rotating rod is rotatably provided at the bottom of the slurry discharge pipe, a baffle is provided at one end of the rotating rod, and a reset assembly is provided at the other end, the baffle cooperates with the outlet of the slurry discharge pipe, and a detection assembly is provided on the side of the rotating rod away from the baffle, and the detection assembly is used to detect the rotation state of the baffle; the baffle and the rotating rod can be driven to rotate by the action of the mud in the slurry discharge pipe, and the flow of the mud in the slurry discharge pipe can be detected by cooperating with the detection assembly, and the detection assembly sends a start-stop signal to the vibrating screen, so that the vibrating screen starts or stops according to the rotation state of the baffle, which not only eliminates the need for manual start and stop of the vibrating screen, but also effectively saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0025] Figure 2 for Figure 1 Enlarged schematic diagram of point A in the middle.

[0026] Figure 3 This is a schematic diagram of the rotating rod structure of the utility model.

[0027] The numbers in the figure indicate: 1, vibrating screen; 2, pulp outlet pipe; 21, rotating block; 3, rotating rod; 31, baffle; 4, reset assembly; 41, counterweight; 5, detection assembly; 51, detection rod; 52, proximity switch; 53, support rod. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and effect of the present invention more clear and explicit, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0031] The mud screening in the existing technology needs to start the vibrating screen 1 first, and then start the material transfer system, and transport the slurry through the slurry outlet pipe 2. Multiple vibrating screens 1 are located in one factory building, and the raw materials of the mud are located in another factory building. The two factories are about 2 km apart. When started manually, it will take a lot of time to go back and forth, so that the vibrating screen 1 will run idle, which causes waste; and by starting two synchronously, more labor will be wasted; and if controlled by electrical components, it is necessary to pull connecting wires and controllers between the two factories. The connecting wires will not only be very long, but also partially exposed to the outside, which will not only increase costs, but also cause line damage or interference, etc., which will affect the operation of the vibrating screen 1.

[0032] In view of the shortcomings of the existing technology, this embodiment provides an automatic start-stop device for a vibrating screen, which can be specifically described as follows:

[0033] As attached Figure 1 and attached Figure 2 As shown, an automatic start and stop device for a vibrating screen includes a vibrating screen 1, a pulp discharge pipe 2, a rotating rod 3 and a detection component 5. A pulp discharge pipe 2 is provided on the top of the vibrating screen 1. One end of the pulp discharge pipe 2 is connected to the pulp pump, and the other end is vertically arranged on the top of the vibrating screen 1. The outlet of the pulp discharge pipe 2 is arranged opposite to the opening of the vibrating screen 1. A rotating rod 3 is provided at the bottom of the pulp discharge pipe 2 for rotation. A baffle 31 is provided at one end of the rotating rod 3, and a reset component 4 is provided at the other end. The baffle 31 cooperates with the outlet of the pulp discharge pipe 2 to block or open the outlet of the pulp discharge pipe 2, and the reset component 4 is used to reset the baffle 31. When the baffle 31 is not affected by external force, it is always in a position of blocking the outlet of the pulp discharge pipe 2, and the reset component 4 and the baffle 31 are respectively located at the rotating rod 3 and the pulp discharge pipe 2. At both ends of the shaft, a detection component 5 is further provided on the side of the rotating rod 3 away from the baffle 31. The detection component 5 is used to detect the rotation state of the baffle 31, that is, to detect whether the baffle 31 is in a position to block the outlet of the slurry outlet pipe 2, or in a position to open the outlet of the slurry outlet pipe 2. The detection component 5 is electrically connected to the vibrating screen 1, and sends a start-stop signal to the vibrating screen 1 by detecting its position, so as to start or stop the vibrating screen 1; the baffle 31 and the rotating rod 3 can be driven to rotate by the action of the mud in the slurry outlet pipe 2, and the flow of the mud in the slurry outlet pipe 2 can be detected in conjunction with the detection component 5. The detection component 5 sends a start-stop signal to the vibrating screen 1, so that the vibrating screen 1 starts or stops according to the rotation state of the baffle 31, which not only eliminates the need for manual start and stop of the vibrating screen 1, but also effectively saves costs.

[0034] Specifically, a controller is provided on one side of the vibrating screen 1, and the detection component 5 is connected to the controller; by starting the slurry pump, the mud is pumped into the slurry outlet pipe 2 and transported to the outlet of the slurry outlet pipe 2. Under the action of the slurry pump, the mud squeezes the baffle 31 located at the bottom of the outlet of the slurry outlet pipe 2, and causes the baffle 31 to open. The baffle 31 and the rotating rod 3 rotate. At this time, the detection component 5 detects that the baffle 31 rotates, and the outlet of the slurry outlet pipe 2 is opened. The detection component 5 sends a signal to the controller of the vibrating screen 1, and the controller sends a signal to the vibrating screen 1. The vibrating screen 1 starts after receiving the signal.

[0035] When the slurry pump stops working, the slurry in the slurry discharge pipe 2 is transported to the vibrating screen 1. The baffle 31 is not squeezed by the slurry, and under the action of the reset component 4, the baffle 31 and the rotating rod 3 are reversed, and the baffle 31 returns to its initial state and blocks the opening of the slurry discharge pipe 2. At this time, the detection component 5 detects that the baffle 31 has returned to its initial state and sends a signal to the controller of the vibrating screen 1. The controller sends a signal to the vibrating screen 1, and the vibrating screen 1 stops vibrating. Through the cooperation of the baffle 31, the rotating rod 3, the reset component 4 and the detection component 5, the purpose of automatically starting and stopping the vibrating screen 1 is achieved, which not only reduces labor consumption, but also facilitates the control and management of the vibrating screen 1. Moreover, the detection component 5 is close to the controller of the vibrating screen 1, which will not cause the connecting line to be too long or exposed to the outside, and it is also convenient to protect the detection component 5.

[0036] Furthermore, a manual controller is provided on one side of the vibrating screen 1 to prevent the vibrating screen 1 from being unable to start when the detection component 5 is under maintenance or damaged.

[0037] In this application, an embodiment is shown in the attached Figure 3 As shown, the reset assembly 4 includes a counterweight 41, which is arranged at the end of the rotating rod 3 away from the baffle 31. The weight of the counterweight 41 is greater than the weight of the baffle 31. Through the action of the counterweight 41, the baffle 31 is supported at the outlet of the slurry outlet pipe 2, and the outlet of the slurry outlet pipe 2 can be blocked and sealed.

[0038] In this embodiment, the counterweight 41 can be integrally formed with the rotating rod 3 and located at the bottom of the rotating rod 3 . The counterweight 41 can be made of metal.

[0039] Furthermore, the mud drives the baffle 31 to rotate at an angle less than 90 degrees, thereby preventing the baffle 31 from being unable to reset due to excessive mud force driving the baffle 31 to rotate at an excessive angle and the counterweight block 41 being located on the side close to the slurry outlet pipe 2.

[0040] In one embodiment of the present application, the reset component 4 can also be a torsion spring; specifically, the torsion spring is sleeved on the rotating shaft of the rotating rod 3, one end of the torsion spring is supported on the rotating rod 3, and the other end is supported on the slurry discharge pipe 2. Through the action of the torsion spring, the baffle 31 can block the outlet of the slurry discharge pipe 2; when the mud is input into the vibrating screen 1, the baffle 31 is opened and the torsion spring is compressed; when the mud stops being input, the torsion spring drives the baffle 31 to rotate and restores the initial state.

[0041] In this embodiment, a rotating block 21 is provided on the outer surface of the slurry discharge pipe 2, and the rotating block 21 is arranged parallel to the bottom wall of the slurry discharge pipe 2. A rotating hole is provided at the end of the rotating block 21 away from the slurry discharge pipe 2, and a matching hole is provided at the top of the rotating rod 3, which is rotatably connected to the rotating hole through a rotating shaft; by providing the rotating block 21 and the rotating hole, the rotating shaft of the rotating rod 3 can be moved away from the bottom wall of the slurry discharge pipe 2 to ensure that the detection component 5 can conveniently detect the rotation state of the baffle 31; at the same time, the rotating shaft is also moved away from the outlet position of the mud to avoid mud being splashed on the rotating shaft, which affects the rotation of the rotating rod 3 and the baffle 31.

[0042] In this application, an embodiment is shown in the attached Figure 2 and attached Figure 3 As shown, the detection assembly 5 includes a detection rod 51 and a proximity switch 52. The detection rod 51 is arranged at the end of the rotating rod 3 away from the baffle 31. The detection rod 51 is located at the top of the rotating rod 3. The bottom of the detection rod 51 is a counterweight 41. The detection rod 51 can also be made of metal to provide a certain gravity for the reset of the rotating rod 3. The detection rod 51 is rectangular. The outer side of the pulp discharge pipe 2 is provided with a proximity switch 52. The proximity switch 52 is a prior art. The detection rod 51 cooperates with the proximity switch 52, and the proximity switch 52 is electrically connected to the vibrating screen 1.

[0043] Specifically, in the initial state, the rotating rod 3 is in a horizontal state, the detection rod 51 corresponds to the proximity switch 52, the proximity switch 52 can detect the detection rod 51, and send a signal to the controller of the vibrating screen 1, at this time the vibrating screen 1 is in a stopped state; when the mud causes the baffle 31 to rotate, the rotating rod 3 and the detection rod 51 rotate accordingly, at this time the detection rod 51 is away from the position of the proximity switch 52, the proximity switch 52 cannot detect the detection rod 51, and sends a signal to the controller of the vibrating screen 1, the controller sends a start signal to the vibrating screen 1, and the vibrating screen 1 starts to screen the mud; when the mud stops being input, the detection rod 51 returns to the initial state, the proximity switch 52 can detect the detection rod 51, and at this time the controller sends a stop signal to the vibrating screen 1, and the vibrating screen 1 stops; by coordinating the rotation of the proximity switch 52 with the rotation of the detection rod 51, the rotation state of the baffle 31 is determined, and the vibrating screen 1 is started or stopped.

[0044] In this embodiment, the detection rod 51 gradually moves away from the pulp discharge pipe 2 from one end connected to the rotating rod 3 to the other end, that is, the detection rod 51 is inclined, and is inclined from bottom to top in the direction away from the pulp discharge pipe 2. The detection rod 51 is inclined not only to facilitate monitoring with the proximity switch 52, but also to provide gravity for resetting the rotating rod 3; at the same time, the detection rod 51 is arranged at an angle, and the center of gravity of the detection rod 51 can also be adjusted to avoid the counterweight block 41 being unable to reset the baffle 31 due to excessive rotation angle of the detection rod 51.

[0045] In this embodiment, a support rod 53 is provided on the outside of the slurry discharge pipe 2, and a fixing hole is provided at the end of the support rod 53 away from the slurry discharge pipe 2, and the proximity switch 52 is provided in the fixing hole; the fixing hole corresponds to the side wall surface of the detection rod 51, and the support rod 53 can be set on the outer wall of the slurry discharge pipe 2 by welding.

[0046] In this embodiment, the baffle 31 is circular, and the diameter of the baffle 31 is greater than or equal to the outlet diameter of the slurry outlet pipe 2, so as to avoid the baffle 31 being unable to rotate due to the baffle 31 having a small diameter and the slurry flowing out through the gap between the baffle 31 and the outlet of the slurry outlet pipe 2.

[0047] Furthermore, the baffle 31 may also be square, and the baffle 31 may completely block the outlet of the pulp discharge pipe 2 .

[0048] Those skilled in the art will readily conceive of other embodiments of the present invention after considering the specification and practicing the embodiments disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that adhere to the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered as exemplary only; the true scope and spirit of the invention are indicated by the claims.

Claims

1. A vibrating screen automatic start and stop device, characterized in that: include: Vibrating screen; A slurry discharge pipe, one end of which is connected to the slurry pump and the other end of which is vertically arranged on the top of the vibrating screen; A rotating rod is rotatably arranged at the bottom of the pulp outlet pipe; a baffle is arranged at one end of the rotating rod, and a reset assembly is arranged at the other end, and the baffle cooperates with the outlet of the pulp outlet pipe to cover or open the outlet of the pulp outlet pipe; The detection component is arranged on a side of the rotating rod away from the baffle; the detection component is used to detect the rotation state of the baffle, and the detection component is electrically connected to the vibrating screen to send a start / stop signal to the vibrating screen.

2. The automatic start-stop device for a vibrating screen according to claim 1, characterized in that: The reset component includes: A counterweight block is arranged at one end of the rotating rod away from the baffle; the weight of the counterweight block is greater than the weight of the baffle.

3. The automatic start-stop device for a vibrating screen according to claim 1, characterized in that: The reset component includes: A torsion spring is sleeved on the rotating shaft of the rotating rod; one end of the torsion spring is supported on the rotating rod, and the other end is supported on the pulp outlet pipe, so that the baffle blocks the outlet of the pulp outlet pipe.

4. A vibrating screen automatic start and stop device according to any one of claims 1 to 3, characterized in that: A rotating block is provided on the outer surface of the slurry discharge pipe, a rotating hole is provided at one end of the rotating block away from the slurry discharge pipe, a matching hole is provided on the top of the rotating rod, and the matching hole is rotatably connected to the rotating hole through a rotating shaft.

5. The automatic start and stop device of a vibrating screen according to claim 1, characterized in that: The detection component includes: a detection rod, disposed at an end of the rotating rod away from the baffle; A proximity switch is arranged on the outside of the pulp outlet pipe; the detection rod cooperates with the proximity switch, and the proximity switch is electrically connected to the vibrating screen.

6. The automatic start-stop device for a vibrating screen according to claim 5, characterized in that: The detection rod gradually moves away from the pulp outlet pipe from one end connected to the rotating rod to the other end.

7. The automatic start-stop device for a vibrating screen according to claim 5, characterized in that: A support rod is provided on the outer side of the slurry discharge pipe, a fixing hole is provided on one end of the support rod away from the slurry discharge pipe, and the proximity switch is provided in the fixing hole.

8. The automatic start-stop device for a vibrating screen according to claim 1, characterized in that: The baffle is circular, and the diameter of the baffle is greater than or equal to the outlet diameter of the slurry outlet pipe.

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