A laboratory pellet press test machine pile cleaning device
By designing an automated pellet pressure testing machine material cleaning device, a hydraulic cylinder drives the piston rod to automatically clean up debris using a cleaning brush and a guide plate, solving the problem of tedious manual cleaning and improving testing efficiency.
Patent Information
- Application Number
- CN202521919351.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-08
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-08
AI Technical Summary
In existing laboratories, the manual cleaning of the platform after testing the compressive strength of ore pellets is cumbersome, resulting in low work efficiency.
Design a material cleaning device for a laboratory pellet pressure testing machine, comprising a sample placement box, a guide plate, a debris cleaning device, and a receiving box with an inclined structure. The device uses a hydraulic cylinder to drive the piston rod to automatically clean the debris, and the debris is automatically slid down and collected through the guide plate and the inclined structure.
It enables automated cleaning of pellets after compressive strength testing, reduces manual intervention, improves cleaning efficiency for multiple sample tests, and simplifies the operation process.
Smart Images

Figure CN224681931U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pellet production technology, specifically to a pellet pressure testing machine stacking and cleaning device for laboratory use. Background Technology
[0002] As steel companies gradually implement carbon reduction and fuel ratio reduction measures in blast furnaces, the proportion of iron ore pellets fed into the furnace has increased significantly. Consequently, analyzing the raw ore and measuring the compressive strength of the pellets has become crucial, as compressive strength is a key indicator of the pellets' resistance to pressure within the blast furnace. Furthermore, compressive strength is also an important indicator for evaluating the impact resistance of the finished iron ore pellets.
[0003] Currently, the laboratory method for determining the compressive strength of finished pellets is as follows: a certain amount of finished pellets are selected and placed on a platform below the pressure head of a pellet compressive strength testing machine. The testing equipment is manually started to conduct the test, thereby obtaining the corresponding compressive strength value of the pellets. After all samples have been tested, the experimental platform is cleaned and the pellets are collected using a small disc. Because the rules for testing the compressive strength of finished pellets stipulate that multiple samples must be tested for each group of samples, the platform needs to be manually cleaned and the crushed pellets collected during the pellet crushing and cleaning process, resulting in low work efficiency and cumbersome procedures. Utility Model Content
[0004] The purpose of this invention is to provide a material cleaning device for a laboratory pellet pressure testing machine to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a material cleaning device for a laboratory pellet pressure testing machine, comprising a sample placement box, an outer box fixed to the left end of the sample placement box by bolts, and a storage drawer slidably connected inside the outer box, the upper end face of the sample placement box having an open structure, and a sample placement platform installed at the center of the sample placement box, with a reserved hole for the testing machine mounting platform at the center of the sample placement platform;
[0006] An inclined guide plate is welded to the outer side of the top of the sample placement platform, and the top of the guide plate is connected to the inner corner of the sample placement box. A slag trough is provided between the right end face of the sample placement box and the sample placement platform. A slag cleaning device is provided on the right side of the sample placement platform, and the right end of the slag cleaning device is fixed inside the right end of the sample placement box in an embedded manner.
[0007] A receiving box is welded to the left side of the bottom of the sample placement box, and a storage box is provided at the right end of the receiving box.
[0008] As a preferred embodiment of this utility model, the inner walls on both sides of the outer box are provided with limiting strips, and the limiting strips are located in the corresponding strip grooves on both sides of the storage drawer and are slidably connected.
[0009] As a preferred embodiment of this utility model, the front end of the storage drawer is provided with a handle, and the storage drawer has a gradually increasing inclined structure along the front-to-back direction.
[0010] As a preferred embodiment of this utility model, the outer side of the sample placement platform is provided with three guide plates, and the three guide plates are respectively distributed at the three end faces of the inner side of the sample placement box. After the three guide plates are welded and fixed, they form an inverted cone structure.
[0011] As a preferred embodiment of this utility model, the debris cleaning device includes a cleaning brush, which is arranged at the bottom end of the connecting frame and the bottom end face of the cleaning brush is in contact with the surface of the sample placement platform. The piston rod at the center of the right end of the connecting frame is installed in a hydraulic cylinder, which is fixed inside the right end of the sample placement box.
[0012] As a preferred embodiment of this utility model, both the front and rear ends of the cleaning brush are inclined, and the inclined surfaces of the front and rear ends of the cleaning brush are attached to the guide plate.
[0013] As a preferred embodiment of this utility model, both the receiving box and the storage box are inclined structures, and the receiving box and the storage box are an integral structure, with the right end of the storage box protruding outward.
[0014] In a preferred embodiment of this utility model, the storage box has a conical structure, and a slag outlet is provided at the right end of the storage box. A sealing plate located at the front end of the slag outlet is rotatably connected to the storage box, and the rear end of the sealing plate is connected to the storage box by a buckle.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. This utility model solves the problem by combining a debris cleaning device with a guide plate: the hydraulic cylinder drives the piston rod to slide the connecting frame and the cleaning brush. The cleaning brush fits against the surface of the sample placement platform and the guide plate, which can automatically push the debris to the slag trough without manual cleaning. At the same time, three guide plates are welded to the outside of the sample placement platform in an inverted cone structure and connected to the inner wall of the sample placement box. They can guide the crushed pellet debris to slide down naturally, further reducing manual intervention and greatly improving the cleaning efficiency after testing multiple sets of samples.
[0017] 2. The integrated inclined structure of the receiving box and the storage box in this utility model allows the slag discharged from the slag chute to automatically slide into the storage box along the receiving box, preventing the slag from scattering. When the slag accumulates to a certain amount, the buckle can be released to discharge it through the slag outlet, eliminating the need for multiple recycling and simplifying the operation process. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of a partial connection between the outer casing and the storage drawer of this utility model;
[0020] Figure 3 This is a partially exploded structural diagram of the outer casing and storage drawer of this utility model;
[0021] Figure 4 This is a right view of the internal structure of the storage drawer of this utility model;
[0022] Figure 5 This is a top view of the connection structure between the sample placement box, the sample placement platform, and the debris cleaning device of this utility model.
[0023] Figure 6 This is a front view of the internal structure of the sample placement box and storage box of this utility model;
[0024] Figure 7 Left view of the internal connection structure between the sample placement box and the debris cleaning device of this utility model;
[0025] Figure 8 This is a schematic diagram of the slag cleaning device of this utility model.
[0026] In the diagram: 1. Sample placement box; 2. Outer box; 3. Storage drawer; 4. Handle; 5. Sample placement platform; 6. Pre-drilled hole for testing machine mounting platform; 7. Guide plate; 8. Slag chute; 9. Slag cleaning device; 91. Hydraulic cylinder; 92. Piston rod; 93. Connecting frame; 94. Cleaning brush; 10. Receiving box; 11. Storage box; 12. Slag outlet; 13. Sealing plate; 14. Limiting strip; 15. Limiting groove. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0028] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0029] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. "Multiple" means two or more, and unless otherwise explicitly limited, all of them fall within the scope of protection of this utility model.
[0030] Example
[0031] like Figure 1-7 As shown, this utility model provides a technical solution: including a sample placement box 1, an outer box 2 is fixed to the left end of the sample placement box 1 by bolts, and a storage drawer 3 is slidably connected inside the outer box 2. The upper end face of the sample placement box 1 is an open structure, and a sample placement platform 5 is installed at the center of the sample placement box 1. A reserved hole 6 for the testing machine mounting platform is opened at the center of the sample placement platform 5.
[0032] A guide plate 7 with an inclined structure is welded to the outer side of the top of the sample placement platform 5, and the top of the guide plate 7 is connected to the inner corner of the sample placement box 1. A slag trough 8 is opened between the right end face of the sample placement box 1 and the sample placement platform 5. A slag cleaning device 9 is provided on the right side of the sample placement platform 5, and the right end of the slag cleaning device 9 is fixed inside the right end of the sample placement box 1 in an embedded manner.
[0033] A receiving box 10 is welded to the left side of the bottom of the sample placement box 1, and a storage box 11 is provided at the right end of the receiving box 10.
[0034] The inner walls on both sides of the outer box 2 are provided with limiting strips 15, and the limiting strips 15 are located in the corresponding strip grooves 14 on both sides of the storage drawer 3 and are slidably connected, so that the storage drawer can be pulled out stably.
[0035] The storage drawer 3 has a handle on its front end, and the storage drawer 3 has a gradually increasing sloping structure along the front to back direction, which allows materials to be stacked at the front end of the storage drawer.
[0036] Three guide plates 7 are welded to the outside of the sample placement platform 5, and the three guide plates 7 are respectively distributed on the three end faces of the sample placement box 1. After the three guide plates 7 are welded and fixed, they form an inverted cone structure, which guides the generated debris to slide into the receiving box.
[0037] The debris cleaning device 9 includes a cleaning brush 94, which is arranged at the bottom of the connecting frame 93 and the bottom surface of the cleaning brush 94 is in contact with the surface of the sample placement platform 5. The piston rod 92 at the center of the right end of the connecting frame 93 is installed in the hydraulic cylinder 91, which is fixed inside the right end of the sample placement box 1. The cleaning brush can push the debris into the receiving box.
[0038] The cleaning brush 94 has an inclined structure at both ends, and the inclined surfaces at both ends of the cleaning brush 94 are in contact with the guide plate 7, which can clean the debris on the placement table.
[0039] Both the receiving box 10 and the storage box 11 are inclined structures, and the receiving box 10 and the storage box 11 are integral structures. The right end of the storage box 11 has an outward protruding structure, which facilitates the slag to slide out through the slag outlet.
[0040] The storage box 11 has a conical structure, and a slag outlet 12 is provided at the right end of the storage box 11. The sealing plate 13 located at the front end of the slag outlet 12 is rotatably connected to the storage box 11. The rear end of the sealing plate 13 is connected to the storage box 11 by a buckle. The slag can be stored in the storage box and slide out through the slag outlet.
[0041] Working principle:
[0042] When using,
[0043] 1. Pre-experiment preparation stage
[0044] Hold the handle on the front side of the storage drawer 3 and pull the storage drawer 3 outward along the sliding path of the limiting strip 15 on the inner wall of the outer box 2 and the drawer groove 14. Take out the sample required for the test and push the drawer back into the outer box 2 after taking it out.
[0045] Confirm that the sealing plate 13 on the right end of the storage box 11 is connected to the storage box 11 by a buckle to ensure that the slag outlet 12 is in a closed state to prevent slag leakage during the test; check whether the integrated structure of the receiving box 10 and the storage box 11 is intact and without cracks or looseness.
[0046] 2. Sample Placement and Compression Test Stage
[0047] Take a qualified finished pellet sample and place it stably on the sample placement platform 5 in the center of the sample placement box 1. Ensure that the sample is directly above the reserved hole 6 of the testing machine mounting platform. The testing machine pressure head is positioned through the reserved hole 6 to avoid pressure deviation.
[0048] Align the tester head with the pellet sample on the sample placement table 5 through the reserved hole 6 on the tester mounting platform, turn on the pellet pressure tester, and apply downward pressure to the pellet to test its compressive strength until the pellet breaks. After the tester records the compressive strength data, the tester head is reset.
[0049] 3. Automated debris cleaning stage
[0050] After the pressure head of the testing machine is reset, the hydraulic cylinder 91 is started. The hydraulic cylinder 91 drives the internal piston rod 92 to move horizontally to the left, and the piston rod 92 drives the connecting frame 93 to move to the left in sync.
[0051] The cleaning brush 94 at the bottom of the connecting frame 93 moves with the connecting frame 93. The bottom surface of the cleaning brush 94 is in contact with the surface of the sample placement platform 5, guiding the pellet debris on the platform to the left. At the same time, the inclined surfaces at the front and rear ends of the cleaning brush 94 are in contact with the inner sides of the three guide plates 7, pushing the debris remaining on the guide plates 7 towards the slag trough 8 on the right side of the sample placement platform 5. Because the guide plates 7 have an inverted cone structure, some debris will naturally slide down the guide plates 7 into the slag trough 8, which works in conjunction with the cleaning action of the cleaning brush 94.
[0052] When the cleaning brush 94 moves to the left edge of the sample placement platform 5 near the receiving box 10 and confirms that there is no residue, the hydraulic cylinder 91 drives the piston rod 92 to move to the right, thereby resetting the connecting frame 93 and the cleaning brush 94 to the initial position on the right side of the sample placement platform 5.
[0053] 4. Debris collection and temporary storage stage
[0054] The debris in the slag trough 8 falls into the receiving box 10 welded to the left side of the bottom of the sample placement box 1 under the action of gravity; because the receiving box 10 has an inclined structure, the debris automatically slides along the inclined surface of the receiving box 10 to the storage box 11 on the right.
[0055] After the debris enters the storage box 11, because the storage box 11 has a conical structure and the right end protrudes outward, the debris will accumulate in the storage box 11.
[0056] 5. Multiple sample testing cycle stage
[0057] If multiple sets of sample tests are required, and multiple samples need to be tested according to the testing rules, there is no need to clean the storage box 11. Just repeat steps 2-3 until all sample tests are completed.
[0058] 6. Post-test debris removal and equipment maintenance stage
[0059] Align the slag collection container, such as a waste bin, with the slag outlet 12 of the storage box 11, unfasten the buckle connecting the rear end of the sealing plate 13 to the storage box 11, and flip the sealing plate 13 outward around the rotating connection between the sealing plate 13 and the storage box 11. The slag in the storage box 11 flows into the collection container from the slag outlet 12 along the conical structure.
[0060] After the slag is discharged, the sealing plate 13 is rotated back to its original position and reconnected to the storage box 11 through the rear buckle to seal the slag outlet 12.
[0061] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A material cleaning device for a laboratory pellet pressure testing machine, comprising a sample placement box (1), characterized in that: The sample placement box (1) is fixed to the outer box (2) by bolts on the left end, and a storage drawer (3) is slidably connected inside the outer box (2). The upper surface of the sample placement box (1) is an open structure, and a sample placement platform (5) is installed at the center of the sample placement box (1). A reserved hole (6) for the testing machine installation platform is opened at the center of the sample placement platform (5). An inclined guide plate (7) is welded to the outer side of the top of the sample placement platform (5), and the top of the guide plate (7) is connected to the inner corner of the sample placement box (1). A slag trough (8) is provided between the right end face of the sample placement box (1) and the sample placement platform (5). A slag cleaning device (9) is provided on the right side of the sample placement platform (5), and the right end of the slag cleaning device (9) is fixed inside the right end of the sample placement box (1) in an embedded manner. A receiving box (10) is welded to the left side of the bottom of the sample placement box (1), and a storage box (11) is provided at the right end of the receiving box (10).
2. The material cleaning device for a laboratory pellet pressure testing machine according to claim 1, characterized in that: The inner walls on both sides of the outer box (2) are provided with limiting strips (15), and the limiting strips (15) are located in the corresponding slots (14) on both sides of the storage drawer (3) and are slidably connected.
3. The material cleaning device for a laboratory pellet pressure testing machine according to claim 1, characterized in that: The storage drawer (3) has a handle on its front end and the storage drawer (3) has a gradually increasing inclined structure along the front-to-back direction.
4. The material cleaning device for a laboratory pellet pressure testing machine according to claim 1, characterized in that: The sample placement platform (5) has three guide plates (7) welded on the outside. The three guide plates (7) are distributed on the three end faces of the sample placement box (1) respectively. After the three guide plates (7) are welded and fixed, they form an inverted cone structure.
5. The material cleaning device for a laboratory pellet pressure testing machine according to claim 1, characterized in that: The debris cleaning device (9) includes a cleaning brush (94), which is arranged at the bottom of the connecting frame (93) and the bottom surface of the cleaning brush (94) is in contact with the surface of the sample placement platform (5). The piston rod (92) at the center of the right end of the connecting frame (93) is installed in the hydraulic cylinder (91), which is fixed inside the right end of the sample placement box (1).
6. The material cleaning device for a laboratory pellet pressure testing machine according to claim 5, characterized in that: The cleaning brush (94) has an inclined structure at both ends, and the inclined surfaces at both ends of the cleaning brush (94) are attached to the guide plate (7).
7. The material cleaning device for a laboratory pellet pressure testing machine according to claim 1, characterized in that: The receiving box (10) and the storage box (11) are both inclined structures, and the receiving box (10) and the storage box (11) are an integral structure. The right end of the storage box (11) has an outward protrusion structure.
8. The material cleaning device for a laboratory pellet pressure testing machine according to claim 7, characterized in that: The storage box (11) has a conical structure, and a slag outlet (12) is provided at the right end of the storage box (11). The sealing plate (13) located at the front end of the slag outlet (12) is rotatably connected to the storage box (11), and the rear end of the sealing plate (13) is connected to the storage box (11) by a buckle.