Particle vibrating screen for biomass fuel preparation

Abstract

The utility model discloses a particle vibrating screen for biomass fuel preparation, which comprises a main body, a collecting frame, a collecting box, a feeding hole, a discharging box, a screening mechanism, a mesh screen fixing mechanism and a mesh screen frame, when a mesh screen on the mesh screen frame needs to be cleaned, as a supporting square frame sliding side plate is arranged in a limiting sliding chute in a sliding manner, the mesh screen on the mesh screen frame can be cleaned; the mesh screen fixing mechanism and the mesh screen frame can be taken down from the screening mechanism by pulling the handle, the two ends of the mesh screen frame are fixed through the fixed limiting plate and the rotary limiting plate respectively, the mesh screen frame can be taken down by screwing off bolts between the fixed plate and the bearing square frame, and therefore a new mesh screen can be directly replaced. And compared with the prior art that the mesh screen is directly cleaned in the device, the device has the advantage that the production efficiency of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of vibrating screen devices, in particular to a particle vibrating screen for preparing biomass fuel. Background Art

[0002] Biomass pellets are formed by cold-dense molding of crushed biomass straw, forestry waste and other raw materials using rollers and ring dies at room temperature. The raw materials need to be screened before processing to separate raw materials of different sizes for subsequent production. At the same time, the biomass pellets after production also need to be screened. The vibration screening device is safe and efficient.

[0003] The existing Chinese patent with authorization announcement number CN212916468U discloses a graded vibrating screen for biomass particle fuel, which relates to the technical field of vibrating screen devices, including a main body, a collecting frame is provided inside the main body, and a collecting box is provided inside the collecting frame, a No. 2 spring is provided at the top of the collecting frame, and a mesh screen connected to the inner wall of the main body is provided at the top of the No. 2 spring, and a groove is provided at the contact position between the mesh screen and the inner wall of the main body, and a No. 1 spring is provided inside the groove, and a rotating block and a collecting box are provided, and the rotating block is driven by a motor to rotate so that it hits the mesh screen and moves upward, and the mesh screen is stretched by the No. 1 spring to reset it and generate vibration, so that the small particle material particles screened by it enter the collecting box, and the collection box is separated from the collecting frame by manually pulling the handle on the outside of the main body and cleaned. It is convenient and simple to use, thereby improving work efficiency.

[0004] The disadvantages of the above-mentioned existing technical solution are that the mesh screen is directly fixed on the No. 1 spring and the No. 2 spring, which makes it inconvenient to clean and replace the mesh screen when maintaining the device, and there is still room for improvement in terms of usability. Utility Model Content

[0005] The purpose of the utility model is to provide a particle vibrating screen for preparing biomass fuel, so as to solve the technical problem in the prior art that it is inconvenient to clean and replace the screen when maintaining the device.

[0006] The technical problem to be solved by the present invention can be achieved through the following technical solutions:

[0007] A particle vibrating screen for preparing biomass fuel, comprising:

[0008] The mesh screen fixing mechanism includes a supporting square frame, a mesh screen frame is provided on the supporting square frame, a screen is provided on the mesh screen frame, a lap groove corresponding to the mesh screen frame is opened on the supporting square frame, the mesh screen frame is embedded in the lap groove, a transfer strip is fixedly connected to the supporting square frame, a rotating limit plate for fixing one end of the mesh screen frame is rotatably connected to the transfer strip, and a fixed limit plate for fixing the other end of the mesh screen frame is fixedly connected to the supporting square frame;

[0009] The screening mechanism includes a mechanism base frame, a connecting square frame arranged obliquely is fixedly connected to the mechanism base frame, side support plates are fixedly connected to both sides of the connecting square frame, and the end surfaces of the side support plates close to each other are fixedly connected to a limiting baffle plate 1, and the space between the side support plates and the limiting baffle plate 1 constitutes a limiting chute, and the two ends of the supporting square frame are slidably arranged in the limiting chute, and the lower end of the oblique mechanism base frame is fixedly connected to a limiting baffle plate 2 for supporting the supporting square frame, and a vibration component for driving the screen on the mesh screen frame to vibrate is further provided on the connecting square frame;

[0010] The main body has a collecting frame fixedly connected to the inner wall of the main body, a drawable collecting box is slidably arranged in the collecting frame, and the mechanism base frame is fixedly connected to the collecting frame.

[0011] As a further solution of the utility model: a handle is fixedly connected to one end of the supporting square frame, an opening for pulling the handle is opened through the main body, a feed port is opened at the upper end of the main body, and a discharge box is provided at the lower end of the main body.

[0012] As a further solution of the present invention: sliding side plates are fixedly connected to both ends of the supporting square frame, and the sliding side plates of the supporting square frame are slidably arranged in the limiting sliding grooves.

[0013] As a further solution of the present invention: connecting plates are fixedly connected on both sides of one end of the rotation limit plate close to the transfer strip plate, the connecting plate and the transfer strip plate are rotatably connected, and fixed plates are fixedly connected on the end faces of both sides of the rotation limit plate, connecting through holes are opened through the fixing plates, and threaded through holes corresponding to the connecting through holes are opened on the supporting square frame.

[0014] As a further solution of the present invention: bolts are provided between the fixing plate and the supporting square frame, and the bolts penetrate through the connecting through holes and are threadedly connected with the threaded through holes.

[0015] As a further solution of the present invention: the vibration assembly includes a motor fixing plate and a leaf spring, the motor fixing plate and the leaf spring are fixedly connected to the connecting square frame, the motor fixing plate and the leaf spring are cross-arranged, the overlapping part between the motor fixing plate and the leaf spring is fixedly connected, the motor fixing plate is fixedly connected to the vibration motor, and the leaf spring is in contact with the screen on the mesh frame.

[0016] Beneficial effects of the utility model:

[0017] 1. When the mesh screen on the mesh screen frame needs to be cleaned, the sliding side plates of the supporting square frame are slidably arranged in the limiting slide grooves. The mesh screen fixing mechanism and the mesh screen frame can be removed from the screening mechanism by pulling the handle. The two ends of the mesh screen frame are respectively fixed by the fixed limiting plate and the rotating limiting plate. The mesh screen frame can be removed by unscrewing the bolts between the fixing plate and the supporting square frame, so that a new mesh screen can be directly replaced, and the removed mesh screen can be cleaned and dried, which is convenient for cleaning and maintenance of the mesh screen. Compared with the prior art in which the mesh screen is directly cleaned in the device, the present device is conducive to ensuring the production efficiency of the device.

[0018] 2. A motor fixing plate, a vibration motor and a leaf spring are respectively arranged below the mesh screen of the mesh screen frame of the utility model. The motor fixing plate and the leaf spring are cross-arranged, and the overlapping part between the motor fixing plate and the leaf spring is fixedly connected. The vibration motor is fixedly connected to the motor fixing plate, and the leaf spring is in contact with the screen on the mesh screen frame. The vibration of the vibration motor can drive the vibration of the motor fixing plate and the leaf spring, and the vibration of the leaf spring thereby drives the vibration of the mesh screen frame. Using the leaf spring as a vibration transmission medium is conducive to improving the reliability of the device and reducing the maintenance burden of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a three-dimensional structural diagram of the connection relationship between the screening mechanism, the mesh screen fixing mechanism and the mesh screen frame of the utility model;

[0022] Figure 3 This is a three-dimensional structural diagram of the connection relationship between the mesh screen fixing mechanism and the mesh screen frame of the utility model;

[0023] Figure 4 This is a schematic diagram of the three-dimensional structure of the mesh screen fixing mechanism of the utility model;

[0024] Figure 5 This utility model Figure 3 Schematic diagram of the structure at A in the middle;

[0025] Figure 6 This is a schematic diagram of the three-dimensional structure of the screening mechanism of the utility model Figure 1 ;

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the screening mechanism of the utility model Figure 2 ;

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the mesh screen frame of the utility model.

[0028] In the figure: 1. Main body; 2. Collecting frame; 3. Collecting box; 4. Feed port; 5. Discharge box; 6. Opening; 7. Screening mechanism; 71. Mechanism base frame; 72. Square frame; 73. Side support plate; 74. Limit baffle 1; 75. Motor fixing plate; 76. Vibration motor; 77. Leaf spring; 78. Limit baffle 2; 8. Screen fixing mechanism; 81. Supporting square frame; 82. Handle; 83. Transfer strip; 84. Overlap groove; 85. Fixed limit plate; 86. Rotating limit plate; 87. Connecting plate; 88. Fixed plate; 89. Sliding side plate; 9. Screen frame. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0030] like Figures 1-8 As shown, a particle vibrating screen for biomass fuel preparation comprises: a main body 1, a screening mechanism 7 and a mesh fixing mechanism 8, the mesh fixing mechanism 8 comprises a supporting square frame 81, a mesh frame 9 is provided on the supporting square frame 81, a screen is provided on the mesh frame 9, a lap groove 84 corresponding to the mesh frame 9 is opened on the supporting square frame 81, the mesh frame 9 is embedded in the lap groove 84, a transfer strip 83 is fixedly connected to the supporting square frame 81, a rotating limit plate 86 for fixing one end of the mesh frame 9 is rotatably connected to the transfer strip 83, a fixed limit plate 85 for fixing the other end of the mesh frame 9 is fixedly connected to the supporting square frame 81, the screening mechanism 7 comprises a mechanism base frame 71, a fixed connection There is an inclined connecting square frame 72, and side support plates 73 are fixedly connected on both sides of the connecting square frame 72. The end faces of the side support plates 73 that are close to each other are fixedly connected to limit baffles 74. The space between the side support plates 73 and the limit baffles 74 constitutes a limit slide groove. The two ends of the supporting square frame 81 are slidably set in the limit slide groove. The lower end of the inclined mechanism base frame 71 is fixedly connected to the limit baffle 2 78 for supporting the supporting square frame 81. A vibration component for driving the screen on the mesh frame 9 is also provided on the connecting square frame 72. A collecting frame 2 is fixedly connected to the inner wall of the main body 1. A pull-out collecting box 3 is slidably set in the collecting frame 2. The mechanism base frame 71 is fixedly connected to the collecting frame 2.

[0031] In some specific embodiments, a handle 82 is fixedly connected to one end of the supporting square frame 81, an opening 6 is opened through the main body 1 for facilitating pulling the handle 82, a feed port 4 is opened at the upper end of the main body 1, and a discharge box 5 is provided at the lower end of the main body 1.

[0032] In some specific embodiments, sliding side plates 89 are fixedly connected to both ends of the supporting square frame 81 , and the sliding side plates 89 of the supporting square frame 81 are slidably disposed in the limiting sliding grooves.

[0033] The rotation limit plate 86 is fixedly connected to connecting plates 87 on both sides of one end close to the transfer strip 83. The connecting plate 87 is rotatably connected to the transfer strip 83. Fixed plates 88 are fixedly connected to the end faces of both sides of the rotation limit plate 86. Connecting through holes are opened on the fixing plates 88. Threaded through holes corresponding to the connecting through holes are opened on the supporting square frame 81. Bolts are provided between the fixing plates 88 and the supporting square frame 81. The bolts pass through the connecting through holes and are threadedly connected to the threaded through holes.

[0034] The vibration assembly includes a motor fixing plate 75 and a leaf spring 77. The motor fixing plate 75 and the leaf spring 77 are fixedly connected to the connecting square frame 72. The motor fixing plate 75 and the leaf spring 77 are cross-arranged. The overlapping part between the motor fixing plate 75 and the leaf spring 77 is fixedly connected. A vibration motor 76 is fixedly connected to the motor fixing plate 75. The leaf spring 77 abuts against the screen on the mesh frame 9.

[0035] To facilitate understanding of the embodiments of this solution by those skilled in the art, the working principle of this solution is briefly described in conjunction with specific application scenarios:

[0036] When the mesh screen on the mesh screen frame 9 needs to be cleaned, since the sliding side plates 89 of the supporting square frame 81 are slidably arranged in the limiting slide groove, the mesh screen fixing mechanism 8 and the mesh screen frame 9 can be removed from the screening mechanism 7 by pulling the handle 82. The two ends of the mesh screen frame 9 are respectively fixed by the fixed limiting plate 85 and the rotating limiting plate 86. The mesh screen frame 9 can be removed by unscrewing the bolts between the fixing plate 88 and the supporting square frame 81, so that a new mesh screen can be directly replaced, and the removed mesh screen can be cleaned and dried, which is convenient for mesh screen cleaning and maintenance. Compared with the prior art in which the mesh screen is directly cleaned in the device, this device is conducive to maintaining In order to ensure the production efficiency of the device, a motor fixing plate 75, a vibration motor 76 and a leaf spring 77 are respectively arranged under the mesh of the mesh screen frame 9. The motor fixing plate 75 and the leaf spring 77 are cross-arranged, and the overlapping part between the motor fixing plate 75 and the leaf spring 77 is fixedly connected. The vibration motor 76 is fixedly connected to the motor fixing plate 75, and the leaf spring 77 is in contact with the screen on the mesh screen frame 9. The vibration of the vibration motor 76 can drive the motor fixing plate 75 and the leaf spring 77 to vibrate. The vibration of the leaf spring 77 thereby drives the mesh screen frame 9 to vibrate. Using the leaf spring 77 as a vibration transmission medium is conducive to improving the reliability of the device and reducing the maintenance burden of the device.

[0037] The above describes several embodiments of the present invention in detail, but the present invention is not limited to these embodiments and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A particle vibrating screen for biomass fuel preparation, characterized in that: include: The mesh screen fixing mechanism (8) comprises a supporting square frame (81), a mesh screen frame (9) is provided on the supporting square frame (81), a mesh screen is provided on the mesh screen frame (9), a lap groove (84) corresponding to the mesh screen frame (9) is provided on the supporting square frame (81), the mesh screen frame (9) is embedded in the lap groove (84), a transfer strip (83) is fixedly connected to the supporting square frame (81), a rotation limit plate (86) for fixing one end of the mesh screen frame (9) is rotatably connected to the transfer strip (83), and a fixed limit plate (85) for fixing the other end of the mesh screen frame (9) is fixedly connected to the supporting square frame (81); The screening mechanism (7) comprises a mechanism base frame (71), a connecting square frame (72) arranged obliquely is fixedly connected to the mechanism base frame (71), side support plates (73) are fixedly connected to both sides of the connecting square frame (72), and the end surfaces of the side support plates (73) close to each other are fixedly connected to a limiting baffle plate (74), and the space between the side support plates (73) and the limiting baffle plate (74) constitutes a limiting chute, and the two ends of the supporting square frame (81) are slidably arranged in the limiting chute, and the lower end of the oblique mechanism base frame (71) is fixedly connected to a limiting baffle plate (78) for supporting the supporting square frame (81), and a vibration component for driving the screen on the mesh screen frame (9) to vibrate is also provided on the connecting square frame (72); A main body (1) is provided, wherein a collecting frame (2) is fixedly connected to the inner wall of the main body (1), a drawable collecting box (3) is slidably provided in the collecting frame (2), and a mechanism base frame (71) is fixedly connected to the collecting frame (2).

2. A particle vibrating screen for biomass fuel preparation according to claim 1, characterized in that: A handle (82) is fixedly connected to one end of the supporting square frame (81), an opening (6) is provided on the main body (1) for facilitating pulling the handle (82), a feed port (4) is provided on the upper end of the main body (1), and a discharge box (5) is provided on the lower end of the main body (1).

3. A particle vibrating screen for biomass fuel preparation according to claim 1, characterized in that: The two ends of the supporting square frame (81) are fixedly connected with sliding side plates (89), and the sliding side plates (89) of the supporting square frame (81) are slidably arranged in the limiting sliding grooves.

4. A particle vibrating screen for biomass fuel preparation according to claim 1, characterized in that: The rotation limiting plate (86) is fixedly connected to a connecting plate (87) on both sides of one end close to the transfer strip plate (83), and the connecting plate (87) is rotatably connected to the transfer strip plate (83). Fixed plates (88) are fixedly connected to the end surfaces of both sides of the rotation limiting plate (86), and a connecting through hole is opened on the fixing plate (88). The supporting square frame (81) is provided with a threaded through hole corresponding to the connecting through hole.

5. The particle vibrating screen for biomass fuel preparation according to claim 1, characterized in that: Bolts are provided between the fixing plate (88) and the supporting square frame (81), and the bolts penetrate the connecting through holes and are threadedly connected to the threaded through holes.

6. The particle vibrating screen for biomass fuel preparation according to claim 1, characterized in that: The vibration assembly comprises a motor fixing plate (75) and a leaf spring (77). The motor fixing plate (75) and the leaf spring (77) are fixedly connected to the connecting square frame (72). The motor fixing plate (75) and the leaf spring (77) are cross-arranged. The overlapping portion between the motor fixing plate (75) and the leaf spring (77) is fixedly connected. A vibration motor (76) is fixedly connected to the motor fixing plate (75). The leaf spring (77) abuts against the screen on the mesh screen frame (9).

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