Screening machine with anti-blocking mechanism

Abstract

The utility model discloses a screening machine with an anti-blocking mechanism, which relates to the technical field of screening machines and comprises a screening bin, flow guide anti-blocking mechanisms are arranged on the top, the bottom and the inner wall of the screening bin, and cleaning anti-blocking mechanisms are arranged on the outer wall and the right side of the screening bin. And the flow guide anti-blocking mechanism comprises a supporting bent rod and a connecting rod piece, the supporting bent rod is fixedly connected to the top of the screening bin, and the end, away from the top of the screening bin, of the supporting bent rod is fixedly connected with a bearing cylinder. Through cooperation of the supporting bent rod, the bearing cylinder and the initial feeding hopper, materials can be injected from the center of the top of the screening bin, through cooperation of the protruding flow guide disc and the middle through hole, the materials injected from the center can be evenly scattered into an inner cavity of the screening bin, and the functions of unilateral blocking prevention and unilateral blocking prevention are achieved; according to the structure, the production cost of the material guiding component is low, meanwhile, the maintenance cost is low, and the practicability of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screening machines, in particular to a screening machine with an anti-blocking mechanism. Background Art

[0002] Screening machine is a kind of mechanical equipment for screening materials. Generally, materials are screened by vibration screening, so that fragmentary materials and large pieces of materials can be selected through screening, thus avoiding the mixing of fragmentary materials in large pieces of materials.

[0003] A Chinese patent discloses a new type of screening machine, with the publication number CN218574227U. The technical solution disclosed in the patent document is as follows: it includes a material receiving box, and two symmetrical first baffles and two second baffles are fixedly connected to the top of the material receiving box. A material receiving opening is provided on one side of the outer surface of the material receiving box, and sliding openings are provided on the outer surfaces of the two second baffles. Two sliding blocks are slidably arranged inside the two sliding openings, and a threaded sleeve plate is fixedly connected between the two sliding blocks located on one side of a first baffle.

[0004] In order to solve the problem that the fine materials that are not screened out will affect the screening efficiency of the subsequent downhill materials, the existing technology adopts the method of designing a screening box and a rotating shaft and other components to deal with it. However, there is still a high cost for anti-blocking treatment. The equipment drives the screening box to move through components such as threaded rods, so that the material is evenly sprinkled into the inside of the screening box to prevent accumulation and blockage, which leads to the problem of increased production and maintenance costs of the equipment. Utility Model Content

[0005] The purpose of the utility model is to provide a screening machine with an anti-blocking mechanism to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A screening machine with an anti-blocking mechanism comprises a screening bin, wherein the top, bottom and inner wall of the screening bin are provided with a flow-guiding and anti-blocking mechanism, the outer wall and the right side of the screening bin are provided with a cleaning and anti-blocking mechanism, the flow-guiding and anti-blocking mechanism comprises a supporting bent rod and a connecting rod, the supporting bent rod is fixedly connected to the top of the screening bin, the end of the supporting bent rod away from the top of the screening bin is fixedly connected to a receiving cylinder, the top of the receiving cylinder is fixedly connected to an initial feed hopper, the connecting rod is fixedly installed on the inner wall of the screening bin, the end of the connecting rod away from the inner wall of the screening bin is fixedly installed with a raised guide plate, a center through hole is opened at the center of the top of the raised guide plate, the flow-guiding and anti-blocking mechanism also includes a movable bottom plate, through the cooperation of the initial feed hopper and the raised guide plate, the material can fall evenly on the top of the screen.

[0008] A further improvement of the technical solution of the utility model is that the movable bottom plate is movably connected to the bottom of the screening bin, and a screen is movably connected to the inner wall of the movable bottom plate, and the screen is used for screening materials.

[0009] A further improvement of the technical solution of the utility model is that a movable part is fixedly installed at the bottom of the screen, and the movable part is detachably connected to the bottom of the movable bottom plate. The design of the movable part makes it easy for users to disassemble and assemble the screen.

[0010] A further improvement of the technical solution of the utility model is that the cleaning and anti-blocking material mechanism includes connecting block one, connecting block three and connecting block four, the connecting block one is fixedly installed on the outer wall of the screening bin, an electric telescopic rod is fixedly installed on the bottom of the connecting block one, a connecting block two is fixedly installed on the movable end of the electric telescopic rod, the connecting block two is fixedly installed on the outer wall of the movable bottom plate, the electric telescopic rod can drive the movable bottom plate to rise and fall, so that the user can clean the screen conveniently.

[0011] A further improvement of the technical solution of the utility model lies in that: the connecting block three is fixedly mounted on the outer wall of the movable bottom plate, the connecting block four is fixedly mounted on the outer wall of the screening bin, a sliding rod is slidably connected to the inner wall of the connecting block four, and the sliding rod is fixedly mounted on the top of the connecting block three. Through the design of the connecting block three, the connecting block four and the sliding rod, the stability of the lifting and lowering of the movable bottom plate is increased.

[0012] A further improvement of the technical solution of the utility model is that the cleaning and anti-blocking material mechanism also includes a positioning seat, a stepper motor is fixedly installed on the top of the positioning seat, a rotating arm is rotatably connected to the inner wall of the positioning seat, the output shaft of the stepper motor is fixedly connected to the top of the rotating arm, and the stepper motor can drive the rotating arm to rotate to switch the position of the screening bin.

[0013] A further improvement of the technical solution of the utility model is that an elastic part is fixedly connected to the middle part of the rotating arm, a vibration motor is fixedly installed on the inner wall of the rotating arm, the left side of the rotating arm is fixedly connected to the right side of the screening bin, and the vibration motor can drive the screening bin as a whole to vibrate, thereby realizing the screening function.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a screening machine with an anti-blocking mechanism. Through the cooperation of the supporting bent rod, the receiving tube and the initial feed hopper, the material can be injected from the center of the top of the screening bin. Through the cooperation of the raised guide plate and the middle through hole, the material injected at the center can be evenly scattered into the inner cavity of the screening bin, thereby realizing the function of material leveling and preventing unilateral blockage. The production cost of the material guide parts of this structure is low, and the maintenance cost is also low, thereby improving the practicality of this structure.

[0016] 2. The utility model provides a screening machine with an anti-blocking mechanism. The design of the electric telescopic rod can drive the movable bottom plate to move downward, which is convenient for users to clean the materials on the top of the screen. The design of the positioning seat can complete the positioning processing of this structure. Combined with the design of the stepper motor, the screening bin can be driven to rotate and transpose as a whole to avoid the problem of the screened materials and the cleaned materials falling to the same position, thereby improving the practicality of this structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is a structural schematic diagram of the flow-guiding and anti-blocking material mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the movable bottom plate of the utility model;

[0020] Figure 4 This is a structural schematic diagram of the material cleaning and anti-blocking mechanism of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the positioning seat of the utility model.

[0022] In the figure: 1. Screening chamber;

[0023] 2. diversion and anti-blocking mechanism; 21. support bent rod; 22. receiving tube; 23. initial feed hopper; 24. connecting rod; 25. raised guide plate; 26. middle through hole; 27. movable bottom plate; 28. screen; 29. ​​movable parts;

[0024] 3. Cleaning and anti-blocking material mechanism; 31. Connecting block one; 32. Electric telescopic rod; 33. Connecting block two; 34. Connecting block three; 35. Connecting block four; 36. Sliding rod; 37. Positioning seat; 38. Stepping motor; 39. Rotating arm; 391. Elastic part; 392. Vibrating motor. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments:

[0026] Example 1

[0027] like Figure 1-5 As shown, the utility model provides a screening machine with an anti-blocking mechanism, including a screening bin 1, a flow guiding and anti-blocking mechanism 2 is arranged on the top, bottom and inner wall of the screening bin 1, a cleaning and anti-blocking mechanism 3 is arranged on the outer wall and right side of the screening bin 1, the flow guiding and anti-blocking mechanism 2 includes a supporting curved rod 21 and a connecting rod 24, the supporting curved rod 21 is fixedly connected to the top of the screening bin 1, one end of the supporting curved rod 21 away from the top of the screening bin 1 is fixedly connected to a receiving tube 22, the top of the receiving tube 22 is fixedly connected to an initial feeding hopper 23, and the connecting rod The connecting rod 24 is fixedly mounted on the inner wall of the screening bin 1, and a protruding guide plate 25 is fixedly mounted on one end of the connecting rod 24 away from the inner wall of the screening bin 1. A median through hole 26 is provided at the center of the top of the protruding guide plate 25. The guide and anti-blocking mechanism 2 also includes a movable bottom plate 27. The cooperation of the receiving tube 22 and the initial feed hopper 23 allows the material to be injected from the center of the top of the screening bin 1. The cooperation of the protruding guide plate 25 and the median through hole 26 allows the material to be evenly scattered to the top of the screen 28, thereby realizing the function of material leveling and preventing unilateral blockage.

[0028] In this embodiment, the movable bottom plate 27 is movably connected to the bottom of the screening bin 1, and a screen 28 is movably connected to the inner wall of the movable bottom plate 27. A movable part 29 is fixedly installed at the bottom of the screen 28. The movable part 29 is detachably connected to the bottom of the movable bottom plate 27. The screen 28 is detachably connected to the bottom of the movable bottom plate 27 through the movable part 29 and the external bolts, which is convenient for users to replace screens 28 with different mesh specifications or damaged screens.

[0029] In this embodiment, the cleaning and anti-blocking material mechanism 3 includes a connecting block 1 31, a connecting block 34 and a connecting block 4 35. The connecting block 1 31 is fixedly installed on the outer wall of the screening bin 1. An electric telescopic rod 32 is fixedly installed at the bottom of the connecting block 1 31. A connecting block 2 33 is fixedly installed at the movable end of the electric telescopic rod 32. The connecting block 2 33 is fixedly installed on the outer wall of the movable bottom plate 27. The connecting block 34 is fixedly installed on the outer wall of the movable bottom plate 27. The connecting block 4 35 is fixedly installed on the outer wall of the screening bin 1. A sliding rod 36 is slidably connected to the inner wall of the connecting block 4 35. The sliding rod 36 is fixedly installed on the top of the connecting block 3 34. The cleaning and anti-blocking material mechanism 3 also includes a positioning seat 37. A stepping motor 3 is fixedly installed on the top of the positioning seat 37. 8. A rotating arm 39 is rotatably connected to the inner wall of the positioning seat 37, the output shaft of the stepper motor 38 is fixedly connected to the top of the rotating arm 39, the middle part of the rotating arm 39 is fixedly connected to an elastic member 391, a vibration motor 392 is fixedly installed on the inner wall of the rotating arm 39, the left side of the rotating arm 39 is fixedly connected to the right side of the screening bin 1, during the maintenance of this structure, the user can control the stepper motor 38 to drive the rotating arm 39 to rotate, transpose the screening bin 1, and then control the electric telescopic rod 32 to extend, drive the movable bottom plate 27 to move downward, so that the user can clean the top of the screen 28, and improve the stability of the lifting and lowering of the movable bottom plate 27 through the connection relationship design of the connecting block four 35, the sliding rod 36 and the positioning seat 37.

[0030] The working principle of the screening machine with anti-blocking mechanism is described in detail below.

[0031] like Figure 1-5 As shown, the structure is pre-positioned and installed from the positioning seat 37, and then the vibration motor 392 is controlled to drive the screening bin 1 to vibrate as a whole, and then the material is injected from the top of the initial feed hopper 23. Through the design of the raised guide plate 25, the material can be evenly guided to the top of the screen 28, and the vibrating screen 28 completes the screening of the material. During the maintenance process, the user can control the stepper motor 38 to drive the rotating arm 39 to rotate, and then control the electric telescopic rod 32 to extend, driving the movable bottom plate 27 to move downward, so that the user can clean the top of the screen 28.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A screening machine with an anti-blocking mechanism, comprising a screening bin (1), characterized in that: The top, bottom and inner wall of the screening bin (1) are provided with flow guiding and anti-blocking material mechanisms (2), and the outer wall and right side of the screening bin (1) are provided with cleaning and anti-blocking material mechanisms (3); The flow guiding and anti-blocking mechanism (2) comprises a supporting bent rod (21) and a connecting rod (24); the supporting bent rod (21) is fixedly connected to the top of the screening bin (1); one end of the supporting bent rod (21) away from the top of the screening bin (1) is fixedly connected to a receiving cylinder (22); the top of the receiving cylinder (22) is fixedly connected to an initial feed hopper (23); the connecting rod (24) is fixedly mounted on the inner wall of the screening bin (1); one end of the connecting rod (24) away from the inner wall of the screening bin (1) is fixedly mounted to a protruding flow guiding plate (25); a center through hole (26) is provided at the center of the top of the protruding flow guiding plate (25); The flow guiding and anti-blocking material mechanism (2) also includes a movable bottom plate (27).

2. A screening machine with a material blocking prevention mechanism according to claim 1, characterized in that: The movable bottom plate (27) is movably connected to the bottom of the screening bin (1), and a screen (28) is movably connected to the inner wall of the movable bottom plate (27).

3. A screening machine with a material blocking prevention mechanism according to claim 2, characterized in that: A movable part (29) is fixedly mounted on the bottom of the screen (28), and the movable part (29) is detachably connected to the bottom of the movable bottom plate (27).

4. A screening machine with a material blocking prevention mechanism according to claim 1, characterized in that: The cleaning and anti-blocking material mechanism (3) comprises a connecting block one (31), a connecting block three (34) and a connecting block four (35); the connecting block one (31) is fixedly mounted on the outer wall of the screening bin (1); an electric telescopic rod (32) is fixedly mounted on the bottom of the connecting block one (31); a connecting block two (33) is fixedly mounted on the movable end of the electric telescopic rod (32); and the connecting block two (33) is fixedly mounted on the outer wall of the movable bottom plate (27).

5. A screening machine with a material blocking prevention mechanism according to claim 4, characterized in that: The connecting block three (34) is fixedly mounted on the outer wall of the movable bottom plate (27), the connecting block four (35) is fixedly mounted on the outer wall of the screening bin (1), a sliding rod (36) is slidably connected to the inner wall of the connecting block four (35), and the sliding rod (36) is fixedly mounted on the top of the connecting block three (34).

6. A screening machine with a material blocking prevention mechanism according to claim 5, characterized in that: The cleaning and anti-blocking material mechanism (3) further comprises a positioning seat (37), a stepper motor (38) is fixedly mounted on the top of the positioning seat (37), a rotating arm (39) is rotatably connected to the inner wall of the positioning seat (37), and an output shaft of the stepper motor (38) is fixedly connected to the top of the rotating arm (39).

7. A screening machine with a material blocking prevention mechanism according to claim 6, characterized in that: An elastic member (391) is fixedly connected to the middle of the rotating arm (39), a vibration motor (392) is fixedly mounted on the inner wall of the rotating arm (39), and the left side of the rotating arm (39) is fixedly connected to the right side of the screening bin (1).

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