Classifier neck device

Abstract

The utility model discloses a classifier neck device which comprises a main pipe section and a side pipe section, the side pipe section is connected with the side wall of the main pipe section, and the side pipe section is communicated with the main pipe section. And the side pipe section is detachably connected with the main pipe section. The side pipe sections and the main pipe section are detachably connected to replace a traditional welding process, and the problem that welding operation is inconvenient due to the fact that the welding position is narrow and small can be effectively solved. And meanwhile, when the side pipe section and the main pipe section which are of the detachable connection structure form need to be subjected to pipeline interior grinding, only the side pipe section needs to be detached, pipeline interior grinding work can be conveniently and effectively completed, and then the problem that the pipeline interior grinding difficulty of a traditional machine neck structure is large can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of material dividing and grading equipment, in particular to a neck device of a grading machine. Background Art

[0002] Classifiers are widely used in the separation, removal and dispersion of ultrafine powders in medicine, lithium battery, chemical industry, etc. As an important component of the classifier, the neck of the machine has a great impact on the quality of the product and the working effect of the whole machine. At present, the commonly used neck structure is the main pipe and the side pipe integrated welding forming, which is inconvenient to operate during welding due to its narrow welding position, and it will increase the difficulty of grinding the inside of the pipe after welding. Utility Model Content

[0003] The utility model aims to provide a classifier neck device, which effectively avoids the problems of inconvenience in welding operation and difficulty in grinding the inside of the pipeline through the detachable connection between the main pipe and the side pipe.

[0004] The utility model is realized by the following technical solutions:

[0005] A neck device of a grading machine includes a main pipe section and a side pipe section, wherein the side pipe section is connected to the side wall of the main pipe section and communicated with the main pipe section; the side pipe section and the main pipe section are detachably connected. In order to solve the above technical problems and achieve corresponding technical effects, in the utility model, the side pipe section and the main pipe section adopt a detachable connection to replace the traditional welding process, which can effectively avoid the problem of inconvenient welding operation due to the narrow welding position; at the same time, when the side pipe section and the main pipe section in the form of a detachable connection structure need to be polished inside the pipeline, only the side pipe section needs to be disassembled, so that the internal polishing of the pipeline can be completed conveniently and effectively, thereby effectively solving the problem of difficulty in internal polishing of the pipeline of the traditional machine neck structure.

[0006] Further technical solutions:

[0007] A connecting portion for connecting the side pipe section is provided on the side wall of the main pipe section, the side pipe section is connected to the connecting portion, and the side pipe section is communicated with the main pipe section.

[0008] Further: the end of the side pipe section is provided with a connecting piece, the connecting piece is arranged in the connecting part, and the connecting piece is fixed to the connecting part.

[0009] Further: the connecting portion includes a fixed ring portion and a main pipe opening, and the fixed ring portion is fixedly connected to the connecting piece;

[0010] Further: the main pipe opening is communicated with the side pipe section.

[0011] Furthermore: a threaded hole is provided on the fixing ring part, the connecting piece is a connecting flange, the threaded hole is aligned with the connecting hole on the connecting flange, and is fixed with bolts.

[0012] Furthermore: the fixing ring portion is provided with a plurality of threaded holes at uniform intervals, and the positions of the threaded holes correspond to the positions of the connecting holes on the connecting flange.

[0013] Further: a sealing layer is provided on the connecting section between the fixing ring part and the connecting piece.

[0014] Furthermore: a connecting ring plate for connecting to the outer shell of the grading wheel is arranged at the bottom end of the main pipe section, and the connecting ring plate is sleeved on the outer wall of the main pipe section and welded to the main pipe section as a whole.

[0015] Further: the connecting ring plate is provided with a fastening connection hole, the fastening connection hole is matched with the threaded hole on the classifying wheel housing, and is fixed with bolts.

[0016] Furthermore: a fixing slot for clamping the grading wheel is provided at the bottom end of the main pipe section, and a fastening threaded hole is also provided in the fixing slot;

[0017] Furthermore, the grading wheel is clamped in the fixing groove and fixed by fastening bolts in cooperation with the fastening threaded holes.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] 1. The utility model provides a neck device for a classifier, wherein the side pipe section and the main pipe section are detachably connected to replace the traditional welding process, which can effectively avoid the problem of inconvenience in welding operation due to the narrow welding position; at the same time, when the side pipe section and the main pipe section in the form of a detachable connection structure need to be polished inside the pipeline, only the side pipe section needs to be disassembled, so that the internal polishing of the pipeline can be completed conveniently and effectively, thereby effectively solving the problem of difficulty in internal polishing of the pipeline with a traditional neck structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the side pipe section structure;

[0023] Figure 3 It is a schematic diagram of the main section structure;

[0024] Figure 4 It is the side view of the main pipe section.

[0025] Marks and corresponding parts names in the attached drawings:

[0026] 1-main pipe section, 2-side pipe section, 3-connecting ring plate, 4-fastening connection hole, 5-fixing slot, 6-fastening threaded hole, 11-connecting part, 21-connecting piece, 111-fixing ring part, 112-main pipe opening, 113-threaded hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0028] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other embodiments, in order to avoid confusing the present invention, well-known structures, circuits, materials or methods are not specifically described.

[0029] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] In the description of the present invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.

[0031] Example:

[0032] like Figure 1 to Figure 4 As shown, the utility model is a neck device of a grading machine, comprising a main pipe section 1 and a side pipe section 2, wherein the side pipe section 2 is connected to the side wall of the main pipe section 1, and the side pipe section 2 is in communication with the main pipe section 1; the side pipe section 2 and the main pipe section 1 are detachably connected. In this embodiment, the side pipe section 2 and the main pipe section 1 are detachably connected to replace the traditional welding process, which can effectively avoid the problem of inconvenient welding operation due to the narrow welding position; at the same time, when the side pipe section 2 and the main pipe section 1 in the form of a detachable connection structure need to be polished inside the pipeline, only the side pipe section 2 needs to be disassembled, so that the internal polishing of the pipeline can be completed conveniently and effectively, thereby effectively solving the problem of difficulty in internal polishing of the pipeline of the traditional machine neck structure.

[0033] In this embodiment, in order to facilitate the connection between the main pipe section 1 and the side pipe section 2 and enhance the stability of the connection structure, the side wall of the main pipe section 1 is provided with a connection portion 11 for connecting the side pipe section 2, the side pipe section 2 is connected to the connection portion 11, and the side pipe section 2 is in communication with the main pipe section 1. When installing and connecting, first insert the connecting end of the side pipe section 2 into the connection portion 11 and then fix it; further, a connector 21 is provided at the end of the side pipe section 2, the connector 21 is provided in the connection portion 11, and the connector 21 is fixed to the connection portion 11. Because the side pipe section 2 is a pipeline structure, the connector 21 is provided at its end to complete the connection between the main pipe section 1 and the side pipe section 2.

[0034] Specifically, a connection structure provided in this embodiment is as follows: the connection part 11 includes a fixed ring part 111 and a main pipe opening 112, the fixed ring part 111 is fixedly connected to the connecting member 21; the main pipe opening 112 is connected to the side pipe section 2. This structural form can not only effectively meet the requirements for the passage of powder, but also meet the requirements for the connection stability between the main pipe section 1 and the side pipe section 2.

[0035] The fixing ring portion 111 is provided with a threaded hole 113, and the connecting member 21 is a connecting flange. The threaded hole 113 is aligned with the connecting hole on the connecting flange and fixed with bolts. In this embodiment, the connecting member 21 is preferably a connecting flange, and the fixing ring portion 111 is provided with a threaded hole 113. Furthermore, the fixing ring portion 111 is provided with a plurality of threaded holes 113 at even intervals, and the positions of the threaded holes 113 correspond to the positions of the connecting holes on the connecting flange. When the threaded holes 113 correspond to the positions of the connecting holes on the connecting flange, they are connected and fixed with bolts. At the same time, in order to prevent the powder from leaking from the gap at the connection, in this embodiment, a sealing layer is provided on the connecting section between the fixing ring portion 111 and the connecting member 21.

[0036] In this embodiment, in order to realize the connection between the machine neck structure and the classifying wheel housing, a connecting ring plate 3 for connecting the classifying wheel housing needs to be provided at the bottom end of the main pipe section 1, and the connecting ring plate 3 is sleeved on the outer wall of the main pipe section 1 and welded to the main pipe section 1 as a whole. The connection effect with the classifying wheel housing is achieved by connecting the ring plate 3. Further, the specific connection structure is as follows: a fastening connection hole 4 is provided on the connecting ring plate 3, and the fastening connection hole 4 is adapted to the threaded hole on the classifying wheel housing and is fixed with bolts.

[0037] The bottom end of the main pipe section 1 is provided with a fixing slot 5 for clamping the grading wheel, and a fastening threaded hole 6 is also provided in the fixing slot 5; the grading wheel is clamped in the fixing slot 5 and fixed by fastening bolts in cooperation with the fastening threaded hole 6.

[0038] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A classifier neck device, characterized in that: It comprises a main pipe section (1) and a side pipe section (2), wherein the side pipe section (2) is connected to the side wall of the main pipe section (1), and the side pipe section (2) is in communication with the main pipe section (1); The side pipe section (2) and the main pipe section (1) are detachably connected.

2. A classifier neck device according to claim 1, characterized in that: The side wall of the main pipe section (1) is provided with a connecting portion (11) for connecting to the side pipe section (2); the side pipe section (2) is connected to the connecting portion (11), and the side pipe section (2) is in communication with the main pipe section (1).

3. A classifier neck device according to claim 2, characterized in that: The end of the side pipe section (2) is provided with a connecting piece (21), the connecting piece (21) is arranged in the connecting portion (11), and the connecting piece (21) is fixed to the connecting portion (11).

4. A classifier neck device according to claim 3, characterized in that: The connecting portion (11) comprises a fixing ring portion (111) and a main pipe opening (112), and the fixing ring portion (111) is fixedly connected to the connecting piece (21); The main pipe opening (112) is in communication with the side pipe section (2).

5. A classifier neck device according to claim 4, characterized in that: The fixing ring portion (111) is provided with a threaded hole (113), the connecting member (21) is a connecting flange, the threaded hole (113) is aligned with the connecting hole on the connecting flange, and is fixed by bolts.

6. A classifier neck device according to claim 5, characterized in that: The fixing ring portion (111) is provided with a plurality of threaded holes (113) at even intervals, and the positions of the threaded holes (113) correspond to the positions of the connecting holes on the connecting flange.

7. A classifier neck device according to claim 4, characterized in that: A sealing layer is provided on the connecting section between the fixing ring portion (111) and the connecting piece (21).

8. A classifier neck device according to claim 1, characterized in that: The bottom end of the main pipe section (1) is provided with a connecting ring plate (3) for connecting to the outer shell of the grading wheel, and the connecting ring plate (3) is sleeved on the outer wall of the main pipe section (1) and welded to the main pipe section (1) as a whole.

9. A classifier neck device according to claim 8, characterized in that: The connecting ring plate (3) is provided with a fastening connection hole (4), the fastening connection hole (4) is matched with a threaded hole on the outer shell of the classifying wheel and is fixed by bolts.

10. A classifier neck device according to claim 1, characterized in that: The bottom end of the main pipe section (1) is provided with a fixing slot (5) for clamping the grading wheel, and a fastening threaded hole (6) is also provided in the fixing slot (5); The grading wheel is clamped in the fixing groove (5) and is fixed by means of a fastening bolt in cooperation with the fastening threaded hole (6).

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