Dividing device

Abstract

The utility model provides a division device, and relates to the technical field of division devices. The device comprises a cutting unit, a fixed sample reserving unit and a receiving hopper, the fixed sample reserving unit is connected to the inner side of the cutting unit, the cutting unit and the fixed sample reserving unit can jointly define eight feeding openings, first chutes are formed in the positions, at two feeding openings, of the cutting unit, and second chutes are formed in the positions, at two feeding openings, of the cutting unit. The fixed sample reserving unit is provided with a second chute connected with each first chute at a position corresponding to each first chute, the coal samples falling to the two feeding openings can sequentially pass through the first chutes and the second chutes and then are collected to flow into the next process, and a material receiving hopper capable of being taken can be placed at each of the other six feeding openings. The device can directly divide the quality samples and the stored samples, an operator does not need to take materials repeatedly, when the requirements except the stored samples and the quality samples need to be met, the material receiving hopper can be directly hung, the corresponding needed samples can be reserved, and the device is more convenient and rapid to use.

Description

Technical Field

[0001] The utility model relates to the technical field of sample reduction devices, and in particular to a sample reduction device. Background Art

[0002] Coal sample reduction is a process in coal sample preparation where, according to specified methods, a uniformly mixed coal sample is divided into several parts with the same properties, leaving the coal sample for further preparation or as a laboratory coal sample and discarding the rest.

[0003] The applicant has found that there are at least the following technical problems in the existing technology: Most existing coal sample reduction devices use a fixed receiving hopper to connect to eight reduction barrels, and then samples are selected according to requirements or different - sized sample barrels are replaced to directly feed the coal sample into a unified collection hopper. In the above process, operators need to take materials repeatedly and also need to manually combine the quality samples of the two fixed retained samples together, which is rather cumbersome and wastes manpower. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a sample reduction device to solve the technical problems in the existing technology that lack of a professional sample reduction device requires operators to take materials repeatedly during use and also requires manual combination of the quality samples of the two fixed retained samples together, which is rather cumbersome and wastes manpower. The many technical effects that can be produced by the preferred technical solutions provided by the utility model are described in detail below.

[0005] To achieve the above - mentioned purpose, the utility model provides the following technical solutions:

[0006] A sample reduction device includes a cutting unit, a fixed retained sample unit, and a receiving hopper. The fixed retained sample unit is connected to the inside of the cutting unit. The cutting unit and the fixed retained sample unit can jointly enclose to form eight feeding openings. The cutting unit is provided with a first chute at two of the feeding openings, and the fixed retained sample unit is provided with a second chute connected to the first chute at the corresponding position of each first chute. The coal samples falling at the two feeding openings can flow through the first chute and the second chute in sequence and then converge and flow into the next process. A removable receiving hopper can be placed at each of the remaining six feeding openings.

[0007] Preferably, the cutting unit also includes an outer ring plate and a cutting plate, the outer sides of the eight cutting plates are connected to the inner side of the outer ring plate, the inner sides of the eight cutting plates are connected to the outer side of the fixed sample retention unit, the eight cutting plates are evenly distributed to divide the area enclosed by the outer ring plate and the fixed sample retention unit into eight equal parts, the fixed sample retention unit, the outer ring plate and the two adjacent cutting plates can jointly enclose to form a feed opening, the two side edges of the first chute are each connected to a cutting plate, and the high end of the first chute is connected to the outer ring plate.

[0008] Preferably, the fixed sample retention unit also includes a main body and a rectifying plate, the main body is cylindrical, a receiving groove is arranged in the middle of the main body, the second chute is arranged at the receiving groove, an opening is arranged in the center of the main body, the rectifying plate is annular, the rectifying plate is connected to the opening and is connected to the lower ends of the two second chute.

[0009] Preferably, the two first chutes are located in the same diagonal direction.

[0010] Preferably, the cutting unit is connected to the fixed sample retaining unit by welding.

[0011] Preferably, the receiving hopper includes a hopper body and a suspension assembly, the shape of the hopper body matches the shape of the feed opening, the horizontal cross-sectional dimension of the hopper body is smaller than the horizontal cross-sectional dimension of the feed opening, the suspension assembly is connected to the top of the hopper body, and the hopper body is hung on the feed opening through the suspension assembly.

[0012] Preferably, the suspension assembly comprises an inner extension plate and an outer extension plate, the outer side of the inner extension plate is connected to the inner side of the top of the bucket body, and the inner side of the outer extension plate is connected to the outer side of the top of the bucket body.

[0013] Preferably, the receiving hopper further comprises a partition assembly, and the partition assembly is connected to the top of the hopper body.

[0014] Preferably, the partition assembly comprises a baffle and an inclined plate, and two sides of the top of the bucket body are each connected with one baffle and one inclined plate.

[0015] Preferably, the receiving hopper further comprises a handle, and the handle is connected to the inside of the hopper body.

[0016] The beneficial effects of the utility model are as follows: by adopting the reduction device, part of the coal sample can be collected and flowed into the two feeding openings provided with the first chute along the first chute and the second chute with the assistance of the cutting unit, and serve as the quality sample for the fixed sample;

[0017] On the premise that no other detection items are required, the feeding hopper can be not placed, and the coal samples can directly leak out at the remaining six feeding openings, and all the fallen coal samples can become the samples for storage and inspection;

[0018] If other detection items are required, the actual number of feeding hoppers to be placed can be flexibly selected according to the actual usage requirements. The operator can orderly place the selected number of feeding hoppers at the feeding openings, and at the remaining unplaced feeding openings, the coal samples can directly leak out as the samples for storage and inspection.

[0019] By adopting this sample reduction device, quality samples and samples for storage and inspection can be directly reduced. The operator does not need to repeatedly take samples, and the samples corresponding to the two feeding openings can be combined into one place through the design of the chute, making it more convenient for the samples to directly flow to the next process. When there are requirements other than the samples for storage and inspection and quality samples, the feeding hopper can be directly hung, and the corresponding required samples can be left out, which is more convenient and fast. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 Combined structure diagram of the cutting unit and the fixed sample retention unit of the present invention;

[0022] Figure 2 Detail structure diagram of the cutting unit of the present invention;

[0023] Figure 3 Detail structure diagram of the fixed sample retention unit of the present invention;

[0024] Figure 4 Detail structure diagram of the feeding hopper of the present invention;

[0025] In the figure, 1 is the cutting unit; 11 is the outer ring plate; 12 is the cutting plate; 13 is the first chute;

[0026] 2 is the fixed sample retention unit; 21 is the main body part; 22 is the rectifying plate; 23 is the second chute;

[0027] 3 is the feeding hopper; 31 is the hopper body; 32 is the hanging assembly; 321 is the inner extension plate; 322 is the outer extension plate; 33 is the separating assembly; 331 is the baffle plate; 332 is the inclined plate; 34 is the handle;

[0028] 4. Feed opening. Detailed implementation mode

[0029] To make the purpose, technical solution and advantages of the present utility model clearer, the technical solution of the present utility model will be described in detail below. 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 in the present utility model, all other implementation manners obtained by those of ordinary skill in the art without creative work fall within the scope protected by the present utility model.

[0030] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. is based on the orientation or positional relationship shown in the attached Figure 1 The orientation or positional relationship is only for the convenience of describing the present utility model 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, and therefore should not be construed as a limitation to the present utility model.

[0031] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] Referring to Figures 1 to 4 , the present utility model provides a sample reduction device, which includes a cutting unit 1, a fixed sample retention unit 2 and a receiving hopper 3. The fixed sample retention unit 2 is connected to the inside of the cutting unit 1. The cutting unit 1 and the fixed sample retention unit 2 can jointly enclose to form eight feed openings 4. The cutting unit 1 is provided with a first chute 13 at two of the feed openings 4. The fixed sample retention unit 2 is provided with a second chute 23 connected to the first chute 13 at the corresponding position of each first chute 13. The coal samples falling at the two feed openings 4 can sequentially pass through the first chute 13 and the second chute 23 and then converge and flow into the next process. A removable receiving hopper 3 can be placed at each of the remaining six feed openings 4.

[0033] By adopting this sample reduction device, with the assistance of the cutting unit 1, part of the coal sample can flow together along the first chute 13 and the second chute 23 at the two feeding openings 4 provided with the first chute 13 and serve as the quality sample for fixed retention samples;

[0034] On the premise that no other detection items are required, the receiving hopper 3 can be not placed, and the coal sample can directly leak out at the remaining six feeding openings 4, and all the falling coal samples can become the samples for storage and inspection;

[0035] If other detection items are required, such as the total moisture detection and other items, the actual number of receiving hoppers 3 to be placed can be flexibly selected according to the actual usage requirements. The operator can orderly place the selected number of receiving hoppers 3 at the feeding openings 4, and at the remaining feeding openings 4 where no receiving hoppers are placed, the coal sample can directly leak out as the sample for storage and inspection.

[0036] By adopting this sample reduction device, the quality sample and the sample for storage and inspection can be directly reduced. The operator does not need to repeatedly take samples, and the samples corresponding to the two feeding openings 4 can be combined into one place through the design of the chute, making it more convenient for the sample to directly flow to the next process;

[0037] When there is a need other than the samples for storage and inspection and the quality samples, the receiving hopper 3 can be directly hung, and the corresponding required samples can be left out, which is more convenient and fast.

[0038] As an optional implementation manner, the cutting unit 1 further includes an outer ring plate 11 and a cutting plate 12. The outer diameter of the outer ring plate 11 is preferably 700 mm, the number of the cutting plates 12 is preferably eight, the thicknesses of the outer ring plate 11 and the eight cutting plates 12 are both preferably 2 mm. The eight cutting plates 12 have the same structure. The outer sides of the eight cutting plates 12 are all connected to the inner side of the outer ring plate 11, and the inner sides of the eight cutting plates 12 are all connected to the outer side of the fixed retention sample unit 2. The eight cutting plates 12 are evenly distributed to divide the area enclosed between the outer ring plate 11 and the fixed retention sample unit 2 into eight equal parts. The fixed retention sample unit 2, the outer ring plate 11, and two adjacent cutting plates 12 can jointly enclose a feeding opening 4. Each of the two sides of the first chute 13 is connected to a cutting plate 12, and the high end of the first chute 13 is connected to the outer ring plate 11.

[0039] In this embodiment, the two first chutes 13 are located in the same diagonal direction, so that the relative distance between the two first chutes 13 is the farthest, making the fixed retention result more scientific.

[0040] As an optional implementation manner, the fixed retention sample unit 2 further includes a main body portion 21 and a rectifying plate 22;

[0041] The main body 21 is cylindrical, and the outer diameter is preferably 400 mm. A receiving groove is provided in the middle of the main body 21, and the second chute 23 is provided at the receiving groove. An opening is provided in the center of the main body 21, and the hole diameter is preferably 160 mm.

[0042] The rectifying plate 22 is annular, and the outer diameter of the rectifying plate 22 matches the aperture of the central opening of the main body 21, so that the rectifying plate 22 is connected to the opening, and the rectifying plate 22 can be connected to the lower ends of the two second chutes 23;

[0043] All plates of the main body 21 and the rectifying plate 22 are preferably made of stainless steel plates with a thickness of 3 mm, and are actually connected to each other by welding, so that they can have high-quality structural strength.

[0044] As an optional implementation, the cutting unit 1 is welded to the fixed sample retaining unit 2. The welded connection has good connection strength and effectively extends the service life. While connecting the outer wall of the main body 21 to the inner side of the cutting plate 12, it is necessary to accurately connect the first chute 13 and the second chute 23 so that the cutting unit 1 and the fixed sample retaining unit 2 can form a whole after welding.

[0045] As an optional embodiment, the receiving hopper 3 includes a hopper body 31 and a suspension assembly 32;

[0046] The bucket body 31 is the main structure of the receiving bucket 3. The shape of the bucket body 31 matches the shape of the feed opening 4. At the same time, the horizontal cross-sectional dimension of the bucket body 31 is smaller than the horizontal cross-sectional dimension of the feed opening 4, so that the main body of the bucket body 31 can be extended into the feed opening 4 for placement.

[0047] The suspension assembly 32 is connected to the top of the bucket body 31. The suspension assembly 32 can support the bucket body 31 for suspension. The bucket body 31 is hung on the feed opening 4 through the suspension assembly 32, so that the bucket body 31 is easily temporarily fixed and taken relative to the feed opening 4.

[0048] In this embodiment, the suspension assembly 32 preferably includes an inner extension plate 321 and an outer extension plate 322, and the inner extension plate 321 and the outer extension plate 322 are both horizontally arranged, the outer side of the inner extension plate 321 is connected to the inner side of the top of the bucket body 31, and the inner extension plate 321 has a curvature that matches the inner side of the top of the bucket body 31, and the inner side of the outer extension plate 322 is connected to the outer side of the top of the bucket body 31, and the outer extension plate 322 has a curvature that matches the inner side of the top of the bucket body 31.

[0049] In addition, the coal receiving hopper 3 further includes a separating component 33. The separating component 33 is connected to the top of the hopper body 31. The separating component 33 can be located between two adjacent feeding openings 4, so that the proportion of the coal sample entering the hopper body 31 can be ensured to remain unchanged, and coal jamming here can be avoided.

[0050] In this embodiment, the separating component 33 includes a baffle 331 and an inclined plate 332. A baffle 331 and an inclined plate 332 are respectively connected to two side edges of the top of the hopper body 31.

[0051] In addition, the coal receiving hopper 3 further includes a handle 34. The handle 34 is connected to the inside of the hopper body 31. The handle 34 can be easily held by the operator's hand, facilitating the overall removal of the coal receiving hopper 3 from the feeding opening 4 or placing the coal receiving hopper 3 at the feeding opening 4.

[0052] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A subtraction device, characterized in that: The invention comprises a cutting unit (1), a fixed sample retaining unit (2) and a receiving hopper (3), wherein the fixed sample retaining unit (2) is connected to the inner side of the cutting unit (1), and the cutting unit (1) and the fixed sample retaining unit (2) can jointly enclose eight feeding openings (4), wherein the cutting unit (1) is provided with a first chute (13) at two of the feeding openings (4), and the fixed sample retaining unit (2) is provided with a second chute (23) connected to the first chute (13) at a corresponding position of each of the first chute (13), and the coal samples falling into the two feeding openings (4) can be collected and flowed into the next process after passing through the first chute (13) and the second chute (23) in sequence, and a removable receiving hopper (3) can be placed at each of the other six feeding openings (4).

2. The shrinking device according to claim 1, characterized in that: The cutting unit (1) further comprises an outer ring plate (11) and a cutting plate (12); the outer sides of the eight cutting plates (12) are connected to the inner side of the outer ring plate (11); the inner sides of the eight cutting plates (12) are connected to the outer side of the fixed sample retaining unit (2); the eight cutting plates (12) are evenly distributed to divide the area enclosed between the outer ring plate (11) and the fixed sample retaining unit (2) into eight equal parts; the fixed sample retaining unit (2), the outer ring plate (11) and two adjacent cutting plates (12) can be together enclosed to form a feed opening (4); the two side edges of the first chute (13) are each connected to a cutting plate (12); and the high end of the first chute (13) is connected to the outer ring plate (11).

3. The shrinking device according to claim 1, characterized in that: The fixed sample retention unit (2) further comprises a main body (21) and a rectifying plate (22); the main body (21) is cylindrical; a receiving groove is arranged in the middle of the main body (21); the second chute (23) is arranged at the receiving groove; an opening is arranged at the center of the main body (21); the rectifying plate (22) is annular; the rectifying plate (22) is connected to the opening and is in contact with the lower ends of the two second chute (23).

4. The shrinking device according to claim 1, characterized in that: The two first chutes (13) are located in the same diagonal direction.

5. The shrinking device according to claim 1, characterized in that: The cutting unit (1) is connected to the sample fixing unit (2) by welding.

6. The shrinking device according to claim 1, characterized in that: The receiving hopper (3) comprises a hopper body (31) and a suspension assembly (32); the shape of the hopper body (31) matches the shape of the feed opening (4); the horizontal cross-sectional dimension of the hopper body (31) is smaller than the horizontal cross-sectional dimension of the feed opening (4); the suspension assembly (32) is connected to the top of the hopper body (31); and the hopper body (31) is hung on the feed opening (4) through the suspension assembly (32).

7. The shrinking device according to claim 6, characterized in that: The suspension assembly (32) comprises an inner extension plate (321) and an outer extension plate (322), wherein the outer side of the inner extension plate (321) is connected to the inner side of the top of the bucket body (31), and the inner side of the outer extension plate (322) is connected to the outer side of the top of the bucket body (31).

8. The shrinking device according to claim 6, characterized in that: The receiving hopper (3) further comprises a partition assembly (33), wherein the partition assembly (33) is connected to the top of the hopper body (31).

9. The shrinking device according to claim 8, characterized in that: The partition assembly (33) comprises a baffle (331) and an inclined plate (332), and two sides of the top of the bucket body (31) are each connected to one of the baffle plates (331) and one of the inclined plates (332).

10. The shrinking device according to claim 6, characterized in that: The receiving hopper (3) further comprises a handle (34), and the handle (34) is connected to the inside of the hopper body (31).

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