External pressure roller type biomass granulator

Abstract

The utility model relates to the technical field of biomass granulation machines, in particular to an externally-pressed roller type biomass granulation machine, which is provided with a moving-out mechanism with a spring structure as a roller connecting piece and can keep close contact with a circular mold inside, so that the practicability is improved; comprising an outer shell, a circular mold, a discharging opening, an external frame, a rotary driving motor, a speed reducer, a telescopic pipe, a telescopic rod, a connecting frame, a sliding sleeve, a sliding rod, a spring, a pulling piece and a pressing roller, the circular mold is arranged in the outer shell, the discharging opening is formed in the output end of the bottom of the outer shell in a communicating mode, an opening is formed in the left side of the outer shell, and the outer side of the opening of the outer shell is connected with the right side of the external frame; the left middle side of the external frame is connected with the inner side of the speed reducer, the output end of the rotary driving motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the left side of the telescopic pipe, the outer side of the sliding sleeve at the top end in the connecting frame and the outer side of the top of the pulling piece are connected with springs, and the top side of the sliding rod is provided with a pressing roller through a mounting mechanism.

Description

Technical Field

[0001] This utility model relates to the technical field of biomass pellet mills, specifically to an externally pressurized roller biomass pellet mill. Background Technology

[0002] A biomass pellet machine is a device that compresses biomass materials (such as wood chips, straw, rice straw, rice husks, peanut shells, etc.) into high-density pellet fuel. These pellet fuels have advantages such as high calorific value, low pollution, and easy storage and transportation, and are widely used in heating, power generation, industrial boilers and other fields.

[0003] Existing biomass pellet mills use pressure rollers and dies to extrude raw materials into pellets. However, the diameter of the pellets varies depending on the materials and customer needs. The existing method is to produce pellets of different diameters by changing the ring die, but the process of changing the ring die is complicated and reduces production efficiency.

[0004] In addition, there is a ring die adjustable biomass pellet mill with patent publication number CN117942853A, which is equipped with a ring die assembly that slides down from the inside to the outside to connect with the discharge port of the crushing chamber. This allows the operator to adjust and connect the corresponding ring die with the desired biomass pellet diameter without replacing the ring die. This makes the operation simple and practical, and does not require machine downtime for replacement, which greatly improves the production efficiency of biomass pellets.

[0005] When the structure is difficult to balance the ring mode compensation, its practicality is insufficient. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an external pressure roller biomass pellet mill with an external pressure roller connected by a spring-loaded removal mechanism as the roller connector, which can maintain close contact with the ring die internally, thereby improving its practicality.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an externally pressurized roller biomass pellet mill, comprising an outer shell, a ring die, a discharge port, an external frame, a rotary drive motor, a reducer, a telescopic tube, a telescopic rod, a connecting frame, a sliding sleeve, a sliding rod, a spring, a pull plate, and a pressure roller. The ring die is disposed inside the outer shell. The bottom output end of the outer shell is connected to the discharge port. An opening is provided on the left side of the outer shell. The outer side of the opening is connected to the right side of the external frame. The left middle side of the external frame is connected to the inner side of the reducer. The output end of the rotary drive motor is connected to the input end of the reducer. The output end of the reducer is connected to the left side of the telescopic tube. The inner wall of the telescopic tube is slidably connected to the outer wall of the telescopic rod. The right side of the telescopic rod is connected to the lower right side of the connecting frame. The upper left middle inner side of the connecting frame is connected to the outer side of the sliding sleeve. The inner wall of the sliding sleeve is slidably connected to the outer wall of the sliding rod. The bottom end of the sliding rod is connected to the top end of the pull plate. A spring is connected to the outer side of the sliding sleeve at the top of the connecting frame and the upper outer side of the pull plate. A pressure roller is mounted on the top side of the sliding rod via an installation mechanism.

[0008] Preferably, the installation mechanism includes a rotating connecting frame, an installation screw, a baffle, and a fixing nut. The top end of the slide rod is connected to the middle of the bottom end of the rotating connecting frame. The rotating rod is connected to the installation screw on the left side inside the rotating connecting frame. The baffle is connected to the outer left side of the installation screw. The fixing nut is detachably screwed onto the outer right side of the installation screw. The pressure roller is movably sleeved on the outer side of the installation screw.

[0009] Preferably, it also includes a tightening sleeve, a tightening screw, and a tightening handle. The right middle part of the front end of the telescopic tube is connected to the inner side of the tightening sleeve. The inner wall of the tightening sleeve is screwed to the outer wall of the tightening screw. The outer side of the tightening screw is connected to the middle part of the inner side of the tightening handle.

[0010] Preferably, it also includes a ferromagnetic sheet and a magnetic block. The bottom right middle part of the rotating connecting frame is connected to a magnetic block, and the top right middle part of the connecting frame is connected to a ferromagnetic sheet. The ferromagnetic sheet and the magnetic block can be separated and attracted together.

[0011] Preferably, it also includes an information board, with the bottom left side of the outer frame connected to the inner side of the information board.

[0012] Compared with the prior art, this utility model provides an externally pressurized roller biomass pellet mill, which has the following beneficial effects:

[0013] When the pressure roller is installed at the top of the slide rod via the mounting mechanism, the telescopic rod can extend out of the telescopic tube, placing the pressure roller inside the ring die. Under the elastic action of the spring, the pressure roller abuts against the inner wall of the ring die. The rotation is driven by the motor, which is decelerated by the reducer. The rotation is achieved through the telescopic tube and the telescopic rod connecting frame, which in turn acts on the pressure roller to extrude the particles inside the ring die and discharge them through the discharge port. The pressure roller can always abut against the inner wall of the ring die. When the pull tab is held, the spring force can be overcome to slide the slide rod inside the sliding sleeve, connecting the pressure roller inward and retracting the telescopic rod inside the telescopic tube, allowing the entire assembly to be removed for replacement. By setting a removal mechanism with a spring structure as the roller connector, a tight contact with the ring die can be maintained internally, improving practicality. Attached Figure Description

[0014] Figure 1 This is an axial view of the structural schematic diagram of this utility model.

[0015] Figure 2 This utility model Figure 1 Front view.

[0016] Figure 3 This utility model Figure 1 The top view.

[0017] Figure 4 This is a schematic diagram of the installation mechanism of this utility model.

[0018] The following are labels in the attached diagram: 1. Outer shell; 2. Ring die; 3. Discharge port; 4. External frame; 5. Rotary drive motor; 6. Reducer; 7. Telescopic tube; 8. Telescopic rod; 9. Connecting frame; 10. Sliding sleeve; 11. Sliding rod; 12. Spring; 13. Pull plate; 14. Pressure roller; 15. Rotating connecting frame; 16. Mounting screw; 17. Baffle plate; 18. Fixing nut; 19. Tightening sleeve; 20. Tightening screw; 21. Tightening handle; 22. Ferromagnetic sheet; 23. Magnetic block; 24. Information board. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1: Please refer to Figure 1-4An externally pressurized roller biomass pellet mill includes an outer shell 1, a ring die 2, a discharge port 3, an outer frame 4, a rotary drive motor 5, a reducer 6, a telescopic tube 7, a telescopic rod 8, a connecting frame 9, a sliding sleeve 10, a sliding rod 11, a spring 12, a pull plate 13, and a pressure roller 14. The ring die 2 is located inside the outer shell 1. The discharge port 3 is connected to the bottom output end of the outer shell 1. An opening is provided on the left side of the outer shell 1, and the outer side of the opening of the outer shell 1 is connected to the right side of the outer frame 4. The left middle side of the outer frame 4 is connected to the inner side of the reducer 6. The output end of the rotary drive motor 5 is connected to the input end of the reducer 6. The output end of the reducer 6 is connected to the left side of the telescopic tube 7. The inner wall of the telescopic tube 7 is only slidably connected to the outer wall of the telescopic rod 8. The right side of the telescopic rod 8 is connected to the lower right side of the inner side of the connecting frame 9. The top left middle inner side of the connecting frame 9 is connected to the outer side of the sliding sleeve 10. The inner wall of the sliding sleeve 10 is slidably connected to the outer wall of the sliding rod 11. The bottom end of the slide bar 11 is connected to the top end of the pull plate 13. The outer side of the sliding sleeve 10 at the top of the inner end of the connecting frame 9 is connected to the outer side of the top of the pull plate 13 by a spring 12. The top side of the slide bar 11 is equipped with a pressure roller 14 via an installation mechanism. When the pressure roller 14 is installed at the top of the slide bar 11 via the installation mechanism, the telescopic rod 8 can be extended inside the telescopic tube 7, so that the pressure roller 14 is inside the ring die 2. Under the elastic action of the spring 12, the pressure roller 14 abuts against the inner wall of the ring die 2. The rotation drive motor 5 runs, and the speed reduction is achieved by the reducer 6. The connecting frame 9 is rotated via the telescopic tube 7 and the telescopic rod 8, which in turn acts on the pressure roller 14 to extrude the particles inside the ring die 2 and discharge them through the discharge port 3. The pressure roller 14 can always abut against the inner wall of the ring die 2. When the pull plate 13 is held, the elastic force of the spring 12 can be overcome to slide the slide bar 11 inside the sliding sleeve 10, connect the pressure roller 14 inward, and retract the telescopic rod 8 inside the telescopic tube 7, so that the whole can be moved out and replaced.

[0021] The mounting mechanism includes a rotating connecting frame 15, a mounting screw 16, a baffle 17, and a fixing nut 18. The top of the slide rod 11 is connected to the middle of the bottom of the rotating connecting frame 15. The rotating rod on the left side inside the rotating connecting frame 15 is connected to the mounting screw 16. The baffle 17 is connected to the outer left side of the mounting screw 16. The fixing nut 18 is detachably screwed onto the outer right side of the mounting screw 16. The pressure roller 14 is movably sleeved on the outside of the mounting screw 16. During installation, the pressure roller 14 is first sleeved on the outside of the mounting screw 16, limited by the left side of the baffle 17, and tightened by the fixing nut 18 on the right side, thereby fixing the pressure roller 14 relative to the mounting screw 16, which is convenient for loading and unloading.

[0022] It also includes an information board 24, with the bottom left side of the outer frame 4 connected to the inside of the information board 24; the information board 24 can display information about the device, making it easier to read and use, and improving convenience.

[0023] Example 2: Please refer to Figure 1-4An externally pressurized roller biomass pellet mill includes an outer shell 1, a ring die 2, a discharge port 3, an outer frame 4, a rotary drive motor 5, a reducer 6, a telescopic tube 7, a telescopic rod 8, a connecting frame 9, a sliding sleeve 10, a sliding rod 11, a spring 12, a pull plate 13, and a pressure roller 14. The ring die 2 is located inside the outer shell 1. The discharge port 3 is connected to the bottom output end of the outer shell 1. An opening is provided on the left side of the outer shell 1, and the outer side of the opening of the outer shell 1 is connected to the right side of the outer frame 4. The left middle side of the outer frame 4 is connected to the inner side of the reducer 6. The output end of the rotary drive motor 5 is connected to the input end of the reducer 6. The output end of the reducer 6 is connected to the left side of the telescopic tube 7. The inner wall of the telescopic tube 7 is only slidably connected to the outer wall of the telescopic rod 8. The right side of the telescopic rod 8 is connected to the lower right side of the inner side of the connecting frame 9. The top left middle inner side of the connecting frame 9 is connected to the outer side of the sliding sleeve 10. The inner wall of the sliding sleeve 10 is slidably connected to the outer wall of the sliding rod 11. The bottom end of the slide bar 11 is connected to the top end of the pull plate 13. The outer side of the sliding sleeve 10 at the top of the inner end of the connecting frame 9 is connected to the outer side of the top of the pull plate 13 by a spring 12. The top side of the slide bar 11 is equipped with a pressure roller 14 via an installation mechanism. When the pressure roller 14 is installed at the top of the slide bar 11 via the installation mechanism, the telescopic rod 8 can be extended inside the telescopic tube 7, so that the pressure roller 14 is inside the ring die 2. Under the elastic action of the spring 12, the pressure roller 14 abuts against the inner wall of the ring die 2. The rotation drive motor 5 runs, and the speed reduction is achieved by the reducer 6. The connecting frame 9 is rotated via the telescopic tube 7 and the telescopic rod 8, which in turn acts on the pressure roller 14 to extrude the particles inside the ring die 2 and discharge them through the discharge port 3. The pressure roller 14 can always abut against the inner wall of the ring die 2. When the pull plate 13 is held, the elastic force of the spring 12 can be overcome to slide the slide bar 11 inside the sliding sleeve 10, connect the pressure roller 14 inward, and retract the telescopic rod 8 inside the telescopic tube 7, so that the whole can be moved out and replaced.

[0024] It also includes a tightening sleeve 19, a tightening screw 20, and a tightening handle 21. The right middle part of the front end of the telescopic tube 7 is connected to the inner side of the tightening sleeve 19. The inner wall of the tightening sleeve 19 is screwed to the outer wall of the tightening screw 20. The outer side of the tightening screw 20 is connected to the middle part of the inner side of the tightening handle 21. By turning the tightening handle 21, the tightening screw 20 can be rotated. The tightening screw 20, after being screwed to the tightening sleeve 19, can act inward to tighten the telescopic rod 8 at this position, thereby improving stability.

[0025] It also includes a ferromagnetic sheet 22 and a magnetic block 23. The magnetic block 23 is connected to the bottom right middle part of the rotating connecting frame 15, and the ferromagnetic sheet 22 is connected to the top right middle part of the connecting frame 9. The ferromagnetic sheet 22 and the magnetic block 23 can be separated and attracted together. When the rotating connecting frame 15 moves closer to the connecting frame 9 to a certain distance, it can be attracted together by the action of the ferromagnetic sheet 22 and the magnetic block 23, so that the position of the rotating connecting frame 15 is stable.

[0026] The rotary drive motor 5 and the reducer 6 are commercially available devices known to those skilled in the art. We are simply using them here without making any structural or functional improvements, and we will not elaborate further on them here.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An external pressurized roll-type biomass pelletizer, characterized by, The components include an outer shell (1), a ring die (2), a discharge port (3), an outer frame (4), a rotary drive motor (5), a reducer (6), a telescopic tube (7), a telescopic rod (8), a connecting frame (9), a sliding sleeve (10), a sliding rod (11), a spring (12), a pull plate (13), and a pressure roller (14). The ring die (2) is located inside the outer shell (1). The bottom output end of the outer shell (1) is connected to the discharge port (3). An opening is provided on the left side of the outer shell (1). The outer side of the opening of the outer shell (1) is connected to the right side of the outer frame (4). The left middle side of the outer frame (4) is connected to the inner side of the reducer (6). The rotary drive motor (5) outputs... The end is connected to the input end of the reducer (6), the output end of the reducer (6) is connected to the left side of the telescopic tube (7), the inner wall of the telescopic tube (7) is only slidably connected to the outer wall of the telescopic rod (8), the right side of the telescopic rod (8) is connected to the lower right side of the inside of the connecting frame (9), the upper left middle inner side of the connecting frame (9) is connected to the outer side of the sliding sleeve (10), the inner wall of the sliding sleeve (10) is slidably connected to the outer wall of the sliding rod (11), the bottom end of the sliding rod (11) is connected to the top end of the pull plate (13), the outer side of the sliding sleeve (10) at the top of the inside of the connecting frame (9) is connected to the outer side of the top of the pull plate (13) by a spring (12), and the top side of the sliding rod (11) is provided with a pressure roller (14) through the installation mechanism.

2. An externally pressurized roll-type biomass pelletizer according to claim 1, characterized in that: The installation mechanism includes a rotating connecting frame (15), an installation screw (16), a baffle (17), and a fixing nut (18). The top of the slide rod (11) is connected to the middle of the bottom of the rotating connecting frame (15). The rotating rod on the left side inside the rotating connecting frame (15) is connected to the installation screw (16). The baffle (17) is connected to the outer left side of the installation screw (16). The fixing nut (18) is detachably screwed onto the outer right side of the installation screw (16). The pressure roller (14) is movably sleeved on the outer side of the installation screw (16).

3. The external pressure roller-type biomass pelletizer according to claim 1, characterized in that: It also includes a tightening sleeve (19), a tightening screw (20) and a tightening handle (21). The right middle part of the front end of the telescopic tube (7) is connected to the inner side of the tightening sleeve (19). The inner wall of the tightening sleeve (19) is screwed to the outer wall of the tightening screw (20). The outer side of the tightening screw (20) is connected to the middle part of the inner side of the tightening handle (21).

4. The external pressure roller-type biomass pelletizer according to claim 2, characterized in that: It also includes a ferromagnetic sheet (22) and a magnetic block (23). The bottom right middle part of the rotating connecting frame (15) is connected to the magnetic block (23), and the top right middle part of the connecting frame (9) is connected to the ferromagnetic sheet (22). The ferromagnetic sheet (22) and the magnetic block (23) can be separated and attracted together.

5. The external pressure roller-type biomass pelletizer according to claim 1, wherein: It also includes an information board (24), the bottom left side of the outer frame (4) being connected to the inner side of the information board (24).

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