Roller screen with function of preventing impact of green pellets

By designing a roller screen with the function of preventing impact of the balls, the angle adjustment and fence mechanism of the anti-impact mechanism of the feeder is used to solve the problem of uneven distribution of the balls caused by narrow belts, and the uniform wear of the roller screen and the improvement of the qualified rate of the balls are achieved.

CN222970327UActive Publication Date: 2025-06-13ZHONGTIAN IRON & STEEL GRP (NANTONG) CO LTD
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Patent Information

Application Number
CN202420925252.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-06-13
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Because the belt is narrower, the width of the roller screen is twice that of the belt. The falling raw balls cannot be evenly distributed on the roller screen, causing a long-term impact on one point of the roller screen, causing serious wear of the roller screen, which in turn affects the particle size of the balls and the return volume of the wet return system.

Method used

A roller screen with a function of preventing impact of the balls is designed, including a conveyor belt mechanism, a screen roller mechanism and an impact prevention mechanism. The anti-impact mechanism consists of two support frames, a feeder angle adjustment rod and a fence mechanism. Through the feeder angle adjustment and the fence mechanism design, the raw balls are prevented from concentrated impact on a certain point.

Benefits of technology

Effectively prevent local wear of the roller screen. By adjusting the angle of the feeder and using a fence mechanism, the balls are evenly distributed, the roller screens are reduced, the balls are improved, the particle size pass rate of the balls is qualified and the wet return system is reduced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222970327U_ABST
Patent Text Reader

Abstract

The utility model discloses a roll screen with the function of preventing the impact of green pellets, the roll screen with the function of preventing the impact of green pellets comprises a conveyer belt mechanism, a screen roll mechanism and an anti-impact mechanism, the end part of the conveyer belt mechanism is provided with the screen roll mechanism, and the anti-impact mechanism is arranged at the joint of the screen roll mechanism and the conveyer belt mechanism; the anti-impact mechanism comprises two supporting frames, the two supporting frames are arranged on the two sides of the conveying belt mechanism respectively, distributor angle adjusting rods are installed at the upper ends of the supporting frames, the anti-impact mechanism further comprises a distributor fixing support, one end of the distributor fixing support is fixedly connected with the distributor angle adjusting rods, and the other end of the distributor fixing support is fixedly connected with the distributor angle adjusting rods. The other end is fixedly connected with the distributor; the structure is simple, and the service life of the roller screen is prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of green pellet production and transportation, in particular to a roll screen with a function of preventing green pellet impact. Background Art

[0002] During the pelletizing process in a pellet plant, the green pellets dropped from a pelletizing disc are transported to a roll screen through a belt. When falling onto the roll screen, due to the narrow belt and the width of the roll screen being twice that of the belt, the dropped green pellets cannot be evenly distributed on the roll screen, resulting in long-term impact on a single point of the roll screen and causing severe wear at that point. After the roll screen is severely worn, the gap of the roll screen expands, leading to a decrease in the qualified rate of the particle size of the green pellets passing through the roll screen, and an increase in the amount of returned material in the wet return system, always generating an internal cycle when wet returning to the pelletizing belt.

[0003] Therefore, providing a roll screen with a function of preventing green pellet impact can solve the above problems. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is that due to the narrow belt and the width of the roll screen being twice that of the belt, the dropped green pellets cannot be evenly distributed on the roll screen, resulting in long-term impact on a single point of the roll screen and causing severe wear at that point. After the roll screen is severely worn, the gap of the roll screen expands, leading to a decrease in the qualified rate of the particle size of the green pellets passing through the roll screen, and an increase in the amount of returned material in the wet return system, always generating an internal cycle when wet returning to the pelletizing belt, etc.; Therefore, a roll screen with a function of preventing green pellet impact is provided. The roll screen with a function of preventing green pellet impact includes:

[0005] A conveyor belt mechanism, a screen roller mechanism, and an anti-impact mechanism. The screen roller mechanism is arranged at the end of the conveyor belt mechanism, and the anti-impact mechanism is arranged at the connection between the screen roller mechanism and the conveyor belt mechanism;

[0006] The anti-impact mechanism includes two support frames, which are respectively arranged on both sides of the conveyor belt mechanism. The upper end of the support frame is equipped with a distributor angle adjustment rod, and further includes a distributor fixed bracket. One end of the distributor fixed bracket is fixedly connected to the distributor angle adjustment rod, and the other end is fixedly connected to the distributor.

[0007] Furthermore, the conveyor belt mechanism includes a conveyor driving wheel, a belt is sleeved on the conveyor driving wheel, and baffle mechanisms are fixedly arranged on both sides of the end of the belt close to the screen roller mechanism.

[0008] Furthermore, the baffle mechanism includes side baffles and guiding baffles. The side baffles are arranged at the end of the belt, and the end of the side baffle close to the screen roller mechanism is fixedly connected to the guiding baffle.

[0009] Further, it further includes a guiding plate for guiding the green balls on the belt onto the sieve roller mechanism.

[0010] Further, the two support frames are arranged outside the side baffle and the support frame. The bottom of the support frame is fixedly installed on the ground, and an installation opening is provided at the upper end of the support frame.

[0011] Further, rotating bearings are fixedly arranged at both ends of the distributor angle adjusting rod. The rotating bearings are fixedly installed in the installation opening, and the distributor angle adjusting rod is rotatably connected to the support rod through the bearings.

[0012] Further, a zip fastener fixing ring is arranged at the top end of the support frame, and a zip fastener fixing ring is also arranged on the distributor. It further includes a zip fastener. One end of the zip fastener is fixedly connected to the zip fastener fixing ring at the support frame, and the other end of the zip fastener is fixedly connected to the zip fastener fixing ring at the distributor.

[0013] Further, a ratchet locking mechanism is fixedly arranged on the inner wall of the installation opening. The ratchet locking mechanism includes a ratchet block and a ratchet spring. An installation groove is provided on the installation opening. One end of the ratchet block is rotatably connected to the installation groove. One end of the ratchet spring is fixedly installed at the bottom of the installation groove, and the other end of the ratchet spring is fixedly connected to the ratchet block.

[0014] Further, ratchets are fixedly arranged at both ends of the distributor angle adjusting rod. It further includes a ratchet bracket. The ratchet bracket is fixedly installed on both sides of the support frame, and the ratchet bracket is rotatably connected to the ratchet.

[0015] Further, the installation opening is rotatably connected to the distributor angle adjusting rod. A positioning threaded hole is provided directly above the installation opening, and a positioning bolt is provided in cooperation with the positioning threaded hole.

[0016] Implementing the present utility model has the following beneficial effects:

[0017] The present utility model can prevent long-term impact wear at a single point of the roller screen. This application can also adjust the angle of the distributor through the ratchet and the zip fastener structure. After finding the optimal angle, the green balls on the belt are scattered and dropped at different points through the distributor, reducing local wear of the roller screen. Description of the Drawings

[0018] Figure 1 is the structural schematic diagram of the present utility model;

[0019] Figure 2 is the structure of the distributor angle adjustment in the second embodiment of the present utility model;

[0020] Figure 3It is the structure for adjusting the angle of the distributor in the third embodiment of the present utility model. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment

[0023] Please refer to the attached drawings of the specification Figure 1 In this embodiment, the technical problem to be solved is that since the belt is relatively narrow and the width of the roller screen is twice that of the belt, the green balls falling cannot be evenly distributed on the roller screen, resulting in a long-term impact on a single point of the roller screen, causing serious wear on a single point of the roller screen. After the roller screen is severely worn, the gap of the roller screen expands, resulting in a decrease in the qualified rate of the particle size of the green balls passing through the roller screen, and an increase in the amount of returned materials in the wet return system, and there are always problems such as internal circulation generated on the green return to the pelletizing belt; therefore, a roller screen with a function of preventing the impact of green balls is provided. The roller screen with a function of preventing the impact of green balls includes:

[0024] A conveyor belt mechanism, a screen roller mechanism, and an anti-impact mechanism. The screen roller mechanism is arranged at the end of the conveyor belt mechanism, and the anti-impact mechanism is arranged at the connection between the screen roller mechanism and the conveyor belt mechanism;

[0025] The anti-impact mechanism includes two support frames 3, which are respectively arranged on both sides of the conveyor belt mechanism. A distributor angle adjustment rod 9 is installed at the upper end of the support frame 3. It also includes a distributor fixed bracket 8. One end of the distributor fixed bracket 8 is fixedly connected to the distributor angle adjustment rod 9, and the other end is fixedly connected to the distributor 7.

[0026] The conveyor belt mechanism includes a conveyor driving wheel 2, a belt 1 is sleeved on the conveyor driving wheel 2, and retaining mechanisms are fixedly arranged on both sides of the end of the belt 1 close to the screen roller mechanism.

[0027] The retaining mechanism includes side baffles 4 and guiding baffles 5. The side baffles 4 are arranged at the end of the belt 1, and the end of the side baffles 4 close to the screen roller mechanism is fixedly connected to the guiding baffles 5.

[0028] It also includes a guiding plate 6, which is used to guide the green balls on the belt 1 to the screen roller mechanism.

[0029] The two support frames 3 are arranged outside the side baffles 4 and the support frames 3. The bottom of the support frames 3 is fixedly installed on the ground, and an installation opening is provided at the upper end of the support frames 3.

[0030] The installation port is rotatably connected to the angle adjusting rod 9 of the distributor. A positioning threaded hole is provided directly above the installation port, and a positioning bolt 10 is provided in cooperation with the positioning threaded hole. The positioning bolt 10 is used to fix the angle of the angle adjusting rod 9 of the distributor.

[0031] Embodiment

[0032] Please refer to the attached instruction manual Figure 1 and 2 In this embodiment, the technical problem to be solved is that since the belt is narrow and the width of the roller screen is twice that of the belt, the green balls falling cannot be evenly distributed on the roller screen, resulting in a single point on the roller screen being impacted for a long time, causing serious wear at a single point on the roller screen. After the roller screen is severely worn, the gap of the roller screen expands, resulting in a decrease in the pass rate of the particle size of the green balls passing through the roller screen, and an increase in the amount of returned material in the wet return system, and an internal circulation is always generated on the green return to the pelletizing belt. Therefore, a roller screen with a function of preventing the impact of green balls is provided. The roller screen with a function of preventing the impact of green balls includes:

[0033] A conveyor belt mechanism, a screen roller mechanism, and an anti-impact mechanism. The screen roller mechanism is arranged at the end of the conveyor belt mechanism, and the anti-impact mechanism is arranged at the connection between the screen roller mechanism and the conveyor belt mechanism;

[0034] The anti-impact mechanism includes two support frames 3, which are respectively arranged on both sides of the conveyor belt mechanism. The upper end of the support frame 3 is installed with an angle adjusting rod 9 of the distributor. It also includes a distributor fixing bracket 8. One end of the distributor fixing bracket 8 is fixedly connected to the angle adjusting rod 9 of the distributor, and the other end is fixedly connected to the distributor 7.

[0035] The conveyor belt mechanism includes a conveyor driving wheel 2, and a belt 1 is sleeved on the conveyor driving wheel 2. Both sides of the end of the belt 1 close to the screen roller mechanism are fixedly provided with a retaining mechanism.

[0036] The retaining mechanism includes side baffles 4 and guiding baffles 5. The side baffles 4 are arranged at the end of the belt 1, and the end of the side baffle 4 close to the screen roller mechanism is fixedly connected to the guiding baffle 5.

[0037] It also includes a guiding plate 6, which is used to guide the green balls on the belt 1 to the screen roller mechanism.

[0038] The two support frames 3 are arranged outside the side baffles 4 and the support frames 3. The bottom of the support frame 3 is fixedly installed on the ground, and an installation port is provided at the upper end of the support frame 3.

[0039] Rotating bearings 11 are fixedly arranged at both ends of the angle adjusting rod 9 of the distributor. The rotating bearings 11 are fixedly installed in the installation port, and the angle adjusting rod 9 of the distributor is rotatably connected through the bearings 11 and the support rod.

[0040] A zip fastener fixing ring 12 is provided at the top of the support frame 3, and a zip fastener fixing ring 12 is also provided on the distributor 7. A zip fastener is further included. One end of the zip fastener is fixedly connected to the zip fastener fixing ring 12 at the support frame 3, and the other end of the zip fastener is fixedly connected to the zip fastener fixing ring 12 at the distributor 7.

[0041] Embodiment

[0042] Please refer to the attached instruction manual Figure 1 and 3 In this embodiment, the technical problem to be solved is that since the belt is narrow and the width of the roller screen is twice that of the belt, the green balls falling cannot be evenly distributed on the roller screen, resulting in a long-term impact on a single point of the roller screen, causing serious wear at a single point of the roller screen. After the roller screen is severely worn, the gap of the roller screen expands, resulting in a decrease in the pass rate of the particle size of the green balls passing through the roller screen, and an increase in the amount of returned material in the wet return system, and problems such as an internal circulation always occurring on the pelletizing belt during wet return; Therefore, a roller screen with a function of preventing the impact of green balls is provided. The roller screen with a function of preventing the impact of green balls includes:

[0043] A conveyor belt mechanism, a screen roller mechanism, and an anti-impact mechanism. The screen roller mechanism is provided at the end of the conveyor belt mechanism, and the anti-impact mechanism is provided at the connection between the screen roller mechanism and the conveyor belt mechanism;

[0044] The anti-impact mechanism includes two support frames 3, which are respectively arranged on both sides of the conveyor belt mechanism. The upper end of the support frame 3 is equipped with a distributor angle adjustment rod 9. A distributor fixing bracket 8 is further included. One end of the distributor fixing bracket 8 is fixedly connected to the distributor angle adjustment rod 9, and the other end is fixedly connected to the distributor 7.

[0045] The conveyor belt mechanism includes a conveyor driving wheel 2, a belt 1 is sleeved on the conveyor driving wheel 2, and retaining mechanisms are fixedly arranged on both sides of the end of the belt 1 close to the screen roller mechanism.

[0046] The retaining mechanism includes a side baffle 4 and a guiding baffle 5. The side baffle 4 is arranged at the end of the belt 1, and the end of the side baffle 4 close to the screen roller mechanism is fixedly connected to the guiding baffle 5.

[0047] A guiding plate 6 is further included, and the guiding plate 6 is used to guide the green balls on the belt 1 to the screen roller mechanism.

[0048] The two support frames 3 are arranged outside the side baffle 4 and the support frame 3. The bottom of the support frame 3 is fixedly installed on the ground, and an installation opening is provided at the upper end of the support frame 3.

[0049] A ratchet locking mechanism is fixedly arranged on the inner wall of the installation opening. The ratchet locking mechanism includes a ratchet block and a ratchet spring 15. An installation groove is formed in the installation opening. One end of the ratchet block 14 is rotatably connected to the installation groove. One end of the ratchet spring 15 is fixedly installed at the bottom of the installation groove, and the other end of the ratchet spring 15 is fixedly connected to the ratchet block.

[0050] Ratchets 13 are fixedly arranged at both ends of the distributor angle adjusting rod 9. A ratchet bracket is further included. The ratchet bracket is fixedly installed on both sides of the support frame 3, and the ratchet bracket is rotatably connected to the ratchet 13.

[0051] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front part", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention.

[0052] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0053] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roller screen with the function of preventing green ball impact, characterized in that: include: A conveyor belt mechanism, a screen roller mechanism and an anti-impact mechanism, wherein the screen roller mechanism is arranged at the end of the conveyor belt mechanism, and the anti-impact mechanism is arranged at the connection between the screen roller mechanism and the conveyor belt mechanism; The anti-impact mechanism includes two support frames, which are respectively arranged on both sides of the conveyor belt mechanism. A divider angle adjustment rod is installed on the upper end of the support frame, and also includes a divider fixing bracket. One end of the divider fixing bracket is fixedly connected to the divider angle adjustment rod, and the other end is fixedly connected to the divider.

2. The roller screen with the function of preventing green ball impact according to claim 1 is characterized in that: The conveyor belt mechanism comprises a transport driving wheel, a belt is sleeved on the transport driving wheel, and enclosure mechanisms are fixedly arranged on both sides of the end of the belt close to the screen roller mechanism.

3. The roller screen with the function of preventing green ball impact according to claim 2 is characterized in that: The enclosure mechanism comprises a side baffle and a guide baffle. The side baffle is arranged at the end of the belt. The end of the side baffle close to the screen roller mechanism is fixedly connected to the guide baffle.

4. The roller screen with the function of preventing green ball impact according to claim 3 is characterized in that: It also includes a guide plate, which is used to guide the green balls on the belt to the screen roller mechanism.

5. The roller screen with the function of preventing green ball impact according to claim 4 is characterized in that: The two support frames are arranged on the outer sides of the side baffle and the support frame, the bottom of the support frame is fixedly installed on the ground, and the upper end of the support frame is provided with a mounting opening.

6. The roller screen with the function of preventing green ball impact according to claim 5 is characterized in that: Rotating bearings are fixedly arranged at both ends of the distributor angle adjustment rod, and the rotating bearings are fixedly installed in the installation opening. The distributor angle adjustment rod is rotatably connected with the support rod through the bearings.

7. The roller screen with the function of preventing green ball impact according to claim 6 is characterized in that: A zipper fixing ring is arranged at the top of the support frame, and a zipper fixing ring is also arranged on the distributor, which also includes a zipper, one end of which is fixedly connected to the zipper fixing ring at the support frame, and the other end of the zipper is fixedly connected to the zipper fixing ring at the distributor.

8. The roller screen with the function of preventing green ball impact according to claim 7 is characterized in that: A ratchet locking mechanism is fixedly arranged on the inner wall of the mounting opening, and the ratchet locking mechanism includes a ratchet block and a ratchet spring. A mounting groove is opened on the mounting opening, one end of the ratchet block is rotatably connected to the mounting groove, one end of the ratchet spring is fixedly installed at the bottom of the mounting groove, and the other end of the ratchet spring is fixedly connected to the ratchet block.

9. The roller screen with the function of preventing green ball impact according to claim 8, characterized in that: Ratchets are fixedly arranged at both ends of the angle adjustment rod of the distributor, and the rod also includes a ratchet bracket, which is fixedly installed on both sides of the support frame, and the ratchet bracket is rotatably connected to the ratchet.

10. The roller screen with the function of preventing green ball impact according to claim 9, characterized in that: The installation opening is rotatably connected to the angle adjustment rod of the distributor, a positioning threaded hole is provided just above the installation opening, and a positioning bolt is provided to cooperate with the positioning threaded hole.