A feeding and conveying start-up protection device for a pellet machine
By designing a feed conveying start protection device on the pellet machine, including a flow guide and a crushing roller, the problem of block materials stuck when the pellet machine is started is solved, and effective protection and feed control of the pellet machine are achieved.
Patent Information
- Application Number
- CN202420577411.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-25
AI Technical Summary
When existing pellet machines are added in blocks at the moment of starting, they can easily cause jamming and damage.
A feed conveying start protection device equipped with a pellet machine is designed, including a feed hopper, a flow guide, a crushing roller, a transmission gear and a spiral feed rod. Before the pelletizer is started, the device puts the material into the feed hopper, directs the flow through the flow guide rack and crushes the block material between the crushing rollers, and then enters the pelletizer through the connecting pipe.
It effectively avoids damage caused by blocked materials when the pellet machine is started, and the design of the spiral feed rod avoids feed blockage, which facilitates the control of the feed speed and further protects the pellet machine.
Smart Images

Figure CN222724260U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pellet machines, in particular to a feeding and conveying start-up protection device matched with a pellet machine. Background Art
[0002] The granulator is used to grind wet powder into the required granules, and can also crush block dry materials into the required granules. When in use, pour the mixed material into the bucket, and the swinging action of the rotating drum will form granules through the wire screen and fall into the container. If the lumps are crushed, they should be added gradually and should not be filled to the top to avoid excessive pressure, which will make the screen vulnerable.
[0003] It is found that during the use of existing pellet machines, it is often necessary to crush bulk materials. At the moment of startup, if bulk materials are added, the pellet machine is likely to get stuck and damaged. Therefore, we propose a pellet machine supporting feeding and conveying start-up protection device to protect the pellet machine and avoid damage to the pellet machine. Utility Model Content
[0004] The utility model aims to provide a feed conveying start-up protection device for a pellet machine, which can crush bulk materials before the pellet machine is started, so as to avoid the pellet machine being stuck by bulk materials and causing damage at the moment of starting.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: a feed conveying start-up protection device for a pellet machine, comprising a pellet machine, a feed hopper is arranged on the top of one side of the pellet machine, and the bottom end of the feed hopper is connected to the pellet machine through a connecting pipe, wherein:
[0006] A discharge hopper is installed on one side of the pellet machine near the bottom of the connecting pipe, a guide frame is fixedly connected to the inside of the feed hopper near the top, a material drop opening is penetrated in the middle of the guide frame, a first crushing roller and a second crushing roller are symmetrically rotatably connected to the inside of the feed hopper near the bottom of the material drop opening, and a transmission gear is fixedly connected to the same end of the first crushing roller and the second crushing roller near the outside of the feed hopper;
[0007] The feed hopper is provided with a first protective cover on the outer side near the transmission gear, a motor is installed on the outer side of the first protective cover, the shaft end of the motor is fixedly connected to one of the transmission gears, the feed hopper is fixedly connected to a bracket near the inside of the connecting pipe, the bracket is rotatably connected to a spiral feeding rod near the bottom of the connecting pipe, and when the first crushing roller rotates, the spiral feeding rod is driven to rotate synchronously through the transmission mechanism.
[0008] Preferably, the material drop opening is located directly above the first crushing roller and the second crushing roller.
[0009] Preferably, the transmission gears are meshedly connected with each other.
[0010] Preferably, the transmission mechanism includes a first reversing gear, the top end of the spiral feeding rod is fixedly connected to the first reversing gear, the feed hopper is rotatably connected to a rotating shaft on one side corresponding to the first reversing gear, the end of the rotating shaft corresponding to the first reversing gear is fixedly connected to the second reversing gear, the bracket is fixedly connected to the outer side of the first reversing gear and the second reversing gear with a second protective cover, the first crushing roller is fixedly connected to a first pulley on one end of the rotating shaft corresponding to the first pulley, the end of the rotating shaft corresponding to the first pulley is fixedly connected to the second pulley, and a transmission belt is sleeved on the outer sides of the first pulley and the second pulley.
[0011] Preferably, the first reversing gear and the second reversing gear are perpendicular to each other, and the first reversing gear is meshed with the second reversing gear.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. In the utility model, before the pellet machine is started, the material is put into the feed hopper, and the material is guided by the guide frame so that the material falls between the first crushing roller and the second crushing roller through the drop port. At the same time, the motor drives the first crushing roller and the second crushing roller on both sides to rotate in opposite directions through the transmission gear to crush the block material, and then enters the interior of the pellet machine through the connecting pipe, and then the pellet machine is started. The material is made into granules by the pellet machine and discharged from the discharge hopper. Through the matching feeding and conveying start-up protection device, the block material can be crushed before the pellet machine is started, so as to avoid the pellet machine being stuck by the block material at the moment of starting and causing damage.
[0014] 2. In the utility model, when the first crushing roller rotates, it drives the first pulley to rotate, and the first pulley drives the rotating shaft to rotate through the transmission belt and the second pulley, and the rotating shaft drives the spiral feeding rod to rotate through the first reversing gear and the second reversing gear. The spiral feeding rod is set, and the rotation speed of the spiral feeding rod is proportional to the rotation speed of the first crushing roller and the second crushing roller, so as to avoid blockage during feeding and facilitate the control of the feeding speed, so as to avoid the pellet machine from being stuck due to excessive feeding, and further protect the pellet machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the top view of the first crushing roller and the second crushing roller of the utility model;
[0017] Figure 3 For this utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.
[0018] In the figure: 1. pellet machine; 2. feed hopper; 3. connecting pipe; 4. discharge hopper; 5. guide frame; 6. drop port; 7. first crushing roller; 8. second crushing roller; 9. transmission gear; 10. first protective cover; 11. motor; 12. bracket; 13. spiral feeding rod; 14. first reversing gear; 15. rotating shaft; 16. second reversing gear; 17. second protective cover; 18. first pulley; 19. second pulley; 20. transmission belt. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] Example:
[0021] See also Figures 1 to 3 The utility model provides a technical solution: a feed conveying start-up protection device for a pellet machine, comprising a pellet machine 1, a feed hopper 2 is arranged on the top of one side of the pellet machine 1, and the bottom end of the feed hopper 2 is connected to the pellet machine 1 through a connecting pipe 3, wherein,
[0022] A discharge hopper 4 is installed on the side of the pellet machine 1 near the bottom of the connecting pipe 3, a guide frame 5 is fixedly connected to the inside of the feed hopper 2 near the top, a material drop opening 6 is penetrated in the middle of the guide frame 5, a first crushing roller 7 and a second crushing roller 8 are symmetrically rotatably connected to the inside of the feed hopper 2 near the bottom of the material drop opening 6, and a transmission gear 9 is fixedly connected to the same end of the first crushing roller 7 and the second crushing roller 8 near the outside of the feed hopper 2;
[0023] A first protective cover 10 is sleeved on the outer side of the feed hopper 2 near the transmission gear 9, and a motor 11 is installed on one side outside the first protective cover 10. The shaft end of the motor 11 is fixedly connected to one of the transmission gears 9. A bracket 12 is fixedly connected to the inside of the feed hopper 2 near the connecting pipe 3. The bracket 12 is rotatably connected to a spiral feeding rod 13 near the bottom of the connecting pipe 3. When the first crushing roller 7 rotates, the spiral feeding rod 13 is driven to rotate synchronously through the transmission mechanism;
[0024] Before the pellet machine 1 is started, the material is put into the feed hopper 2, and the material is guided by the guide frame 5 so that the material falls between the first crushing roller 7 and the second crushing roller 8 through the drop port 6. At the same time, the motor 11 drives the first crushing roller 7 and the second crushing roller 8 on both sides to rotate in opposite directions through the transmission gear 9 to crush the block material. Then, the material enters the pellet machine 1 through the connecting pipe 3, and then the pellet machine 1 is started. The material is made into granules by the pellet machine 1 and discharged from the discharge hopper 4. Through the matching feeding and conveying start-up protection device, the block material can be crushed before the pellet machine 1 is started, so as to avoid the pellet machine 1 being stuck by the block material at the moment of starting and causing damage.
[0025] See also Figures 1 to 3 The blanking port 6 is located directly above the first crushing roller 7 and the second crushing roller 8, and the transmission gears 9 are meshedly connected.
[0026] See also Figures 1 to 3 The transmission mechanism includes a first reversing gear 14, a top end of the spiral feeding rod 13 is fixedly connected to the first reversing gear 14, a rotating shaft 15 is rotatably connected to one side of the feed hopper 2 corresponding to the first reversing gear 14, an end of the rotating shaft 15 corresponding to the first reversing gear 14 is fixedly connected to a second reversing gear 16, a second protective cover 17 is fixedly connected to the outer side of the bracket 12 near the first reversing gear 14 and the second reversing gear 16, a first crushing roller 7 is fixedly connected to one end of the rotating shaft 15 corresponding to the first reversing gear 18, a second pulley 19 is fixedly connected to the end of the rotating shaft 15 corresponding to the first pulley 18, a transmission belt 20 is sleeved on the outer side of the first pulley 18 and the second pulley 19, and the first reversing gear The wheel 14 and the second reversing gear 16 are perpendicular to each other, and the first reversing gear 14 is meshed with the second reversing gear 16. When the first crushing roller 7 rotates, the first pulley 18 is driven to rotate. The first pulley 18 drives the rotating shaft 15 to rotate through the transmission belt 20 and the second pulley 19. The rotating shaft 15 drives the spiral feeding rod 13 to rotate through the first reversing gear 14 and the second reversing gear 16. The spiral feeding rod 13 is set, and the rotation speed of the spiral feeding rod 13 is proportional to the rotation speed of the first crushing roller 7 and the second crushing roller 8, so as to avoid blockage during feeding. At the same time, it is convenient to control the feeding speed, avoid the pellet machine 1 from being stuck due to excessive feeding, and further protect the pellet machine 1.
[0027] Working principle: This kind of pellet machine is equipped with a feeding and conveying start-up protection device. Before the pellet machine is started, the material is put into the feed hopper 2, and the material is guided by the guide frame 5 to fall between the first crushing roller 7 and the second crushing roller 8 through the drop port 6. At the same time, the motor 11 drives the first crushing roller 7 and the second crushing roller 8 on both sides to rotate in opposite directions through the transmission gear 9 to crush the block material. After that, the block material enters the interior of the pellet machine 1 through the connecting pipe 3, and then the pellet machine 1 is started. The material is made into granules by the pellet machine 1 and discharged from the discharge hopper 4. Through the supporting feeding and conveying start-up protection device, the block material can be crushed before the pellet machine 1 is started. The material is crushed to prevent the pellet machine 1 from being stuck by block materials and causing damage at the moment of startup. When the first crushing roller 7 rotates, it drives the first pulley 18 to rotate. The first pulley 18 drives the rotating shaft 15 to rotate through the transmission belt 20 and the second pulley 19. The rotating shaft 15 drives the spiral feeding rod 13 to rotate through the first reversing gear 14 and the second reversing gear 16. The spiral feeding rod 13 is set, and the speed of the spiral feeding rod 13 is proportional to the speed of the first crushing roller 7 and the second crushing roller 8, so as to avoid blockage during feeding. At the same time, it is convenient to control the feeding speed, so as to prevent the pellet machine 1 from being stuck due to excessive feeding, and further protect the pellet machine 1.
[0028] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feed conveying start-up protection device for a pellet machine, comprising a pellet machine (1), characterized in that: A feed hopper (2) is provided on the top of one side of the pellet machine (1), and the bottom end of the feed hopper (2) is connected to the pellet machine (1) via a connecting pipe (3), wherein: The pellet machine (1) is provided with a discharge hopper (4) on one side below the connecting pipe (3); a guide frame (5) is fixedly connected to the inside of the feed hopper (2) near the top; a material drop opening (6) is passed through the middle of the guide frame (5); a first crushing roller (7) and a second crushing roller (8) are symmetrically rotatably connected to the inside of the feed hopper (2) near the bottom of the material drop opening (6); a transmission gear (9) is fixedly connected to the same end of the first crushing roller (7) and the second crushing roller (8) near the outside of the feed hopper (2); The feed hopper (2) is sleeved with a first protective cover (10) on the outer side near the transmission gear (9), and a motor (11) is installed on the outer side of the first protective cover (10). The shaft end of the motor (11) is fixedly connected to one of the transmission gears (9). The feed hopper (2) is fixedly connected with a bracket (12) inside the connecting pipe (3) near the inner side, and the bracket (12) is rotatably connected with a spiral feeding rod (13) near the bottom of the connecting pipe (3). When the first crushing roller (7) rotates, the spiral feeding rod (13) is driven to rotate synchronously through the transmission mechanism.
2. The pellet machine supporting feeding and conveying start-up protection device according to claim 1 is characterized in that: The drop opening (6) is located directly above the first crushing roller (7) and the second crushing roller (8).
3. The feed conveying start-up protection device for a pellet machine according to claim 1 is characterized in that: The transmission gears (9) are meshedly connected with each other.
4. The feed conveying start-up protection device for a pellet machine according to claim 1 is characterized in that: The transmission mechanism comprises a first reversing gear (14), the top end of the spiral feeding rod (13) is fixedly connected to the first reversing gear (14), the feeding hopper (2) is rotatably connected to a rotating shaft (15) at one side corresponding to the first reversing gear (14), the rotating shaft (15) is fixedly connected to an end corresponding to the first reversing gear (14) with a second reversing gear (16), the bracket (12) is fixedly connected to an outer side of the first reversing gear (14) and the second reversing gear (16), the first crushing roller (7) is fixedly connected to an end of the rotating shaft (15) corresponding to the first reversing gear (14), the end of the rotating shaft (15) corresponding to the first reversing gear (18) is fixedly connected to a second pulley (19), and the outer sides of the first pulley (18) and the second pulley (19) are covered with a transmission belt (20).
5. The feed conveying start-up protection device for a pellet machine according to claim 4 is characterized in that: The first reversing gear (14) and the second reversing gear (16) are perpendicular to each other, and the first reversing gear (14) and the second reversing gear (16) are meshed.