Jet mill nozzle mounting structure

Abstract

The utility model provides a jet mill nozzle mounting structure. The jet mill nozzle mounting structure comprises a shell, a mounting plate and a nozzle. A plurality of through holes are formed in the shell in a circumferential array mode. The number of the mounting plates is the same as that of the through holes, the mounting plates are arranged on the outer wall of the shell corresponding to the positions of the through holes, strip-shaped holes are formed in the mounting plates in the radial direction of the shell, and the length direction of the strip-shaped holes is arranged in the tangential direction of the shell. Sliding plates are arranged on the outer sides of the middle sections of the nozzles and movably arranged on the outer walls of the mounting plates in the tangential direction of the shell, sealing rings are arranged on the surfaces, making contact with the mounting plates, of the sliding plates, pin shafts parallel to the axis of the shell are arranged on the tops of the sliding plates, and arc-shaped plates are arranged between the adjacent nozzles. The two ends of the arc-shaped plates are arranged on the adjacent pin shafts in a sleeving mode respectively. The front end of the nozzle sequentially penetrates through the strip-shaped hole and the through hole, and the rear end of the nozzle is used for being connected with an air pump. According to the scheme, the spraying position of the nozzle can be adjusted, and materials can be processed into different forms and particle sizes.

Description

Technical Field

[0001] The utility model belongs to the technical field of air jet milling devices, and particularly relates to an installation structure of a nozzle of an air jet mill. Background Art

[0002] An air jet mill, also known as an air jet pulverizer, uses high-speed air jets ejected from nozzles during operation to make material particles in a pulverizing chamber collide with each other at high speed, thereby achieving the purpose of pulverization. The nozzles of existing air jet mills are usually fixedly installed on the side wall of the pulverizing chamber, and their jet positions cannot be adjusted. Therefore, the form and particle size of the pulverized material are relatively fixed, and the requirements for processing the material into different forms and particle sizes cannot be met. Summary of the Utility Model

[0003] To solve the deficiencies of the existing technology, the utility model provides an installation structure of a nozzle of an air jet mill, which can adjust the jet position of the nozzle and can process the material into different forms and particle sizes.

[0004] To achieve the purpose of the utility model, the following scheme is proposed:

[0005] An installation structure of a nozzle of an air jet mill includes: a housing, a mounting plate and a nozzle.

[0006] The housing is provided with a plurality of through holes arranged in a circumferential array.

[0007] The number of mounting plates is the same as the number of through holes. The mounting plates are arranged on the outer wall of the housing corresponding to the positions of the through holes. The mounting plates are in sealed connection with the housing. The mounting plates are provided with strip holes along the radial direction of the housing, and the length direction of the strip holes is arranged along the tangent direction of the housing.

[0008] The number of nozzles is the same as the number of mounting plates. A sliding plate is arranged on the outer side of the middle section of the nozzle. The sliding plate is movably arranged on the outer wall of the mounting plate along the tangent direction of the housing. A sealing ring is arranged on the surface of the sliding plate in contact with the mounting plate, and the sealing ring is located outside the strip hole. A pin shaft parallel to the axis of the housing is arranged on the top of the sliding plate. An arc-shaped plate is arranged between adjacent nozzles, and both ends of the arc-shaped plate are respectively sleeved on the adjacent pin shafts.

[0009] The front end of the nozzle sequentially passes through the strip hole and the through hole, and the rear end of the nozzle is used to connect an air pump.

[0010] The beneficial effect of the utility model is that: this scheme can synchronously adjust the jet positions of all nozzles, so as to achieve the purpose of processing the material into different forms and particle sizes. Description of the Drawings

[0011] The drawings described herein are only for illustrating the selected embodiments, not all possible implementation schemes, and are not intended to limit the scope of the utility model.

[0012] Figure 1 The top view showing the overall structure of the present application is presented.

[0013] Figure 2 The cross-sectional view showing the nozzle installation part is presented.

[0014] Figure 3 The bottom view showing the overall structure of the present application is presented.

[0015] Markings in the figure: housing - 1, through hole - 11, support plate - 12, mounting plate - 2, strip hole - 21, rectangular hole - 22, pressing strip - 23, nozzle - 3, sliding plate - 31, sealing ring - 32, pin shaft - 33, arc plate - 4, locking screw - 41, telescopic cylinder - 5, annular pipeline - 6. Specific embodiments

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will describe the embodiments of the present utility model in detail with reference to the accompanying drawings. However, the embodiments described herein are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0017] As Figures 1 to 3 shown, an airflow mill nozzle installation structure includes: a housing 1, a mounting plate 2, and a nozzle 3.

[0018] The housing 1 is provided with a plurality of through holes 11 arrayed along the circumference.

[0019] The number of mounting plates 2 is the same as that of the through holes 11. The mounting plates 2 are disposed on the outer wall of the housing 1 corresponding to the positions of the through holes 11, and the mounting plates 2 are connected to the housing 1 by screws. A sealing connection is provided between the mounting plates 2 and the housing 1. A sealing gasket can be provided between the mounting plates 2 and the outer wall of the housing 1. The mounting plates 2 are provided with strip holes 21 along the radial direction of the housing 1, and the length direction of the strip holes 21 is arranged along the tangent direction of the housing 1.

[0020] The number of nozzles 3 is the same as that of the mounting plates 2. A sliding plate 31 is provided on the outer side of the middle section of the nozzle 3. The sliding plate 31 is movably arranged on the outer wall of the mounting plate 2 along the tangent direction of the housing 1. A sealing ring 32 is provided on the surface of the sliding plate 31 in contact with the mounting plate 2. The sealing ring 32 is located outside the strip holes 21. A pin shaft 33 parallel to the axis of the housing 1 is provided at the top of the sliding plate 31. Arc plates 4 are provided between adjacent nozzles 3. The two ends of the arc plates 4 are respectively sleeved on the adjacent pin shafts 33. In this way, when driving one of the sliding plates 31 to move along the tangent direction of the housing 1, the other sliding plates 31 can be driven to move synchronously in the same direction, so as to simultaneously adjust the positions of all the nozzles 3, so as to achieve the purpose of adjusting the direction of the high-pressure air flow ejected by the nozzles 3, and then achieve the purpose of processing materials into different forms and particle sizes.

[0021] The front end of the nozzle 3 sequentially passes through the strip-shaped hole 21 and the through hole 11, and the rear end of the nozzle 3 is used to connect to an air pump.

[0022] Preferably, as Figure 2 , Figure 3 shown, a rectangular hole 22 is formed on the outer side of the mounting plate 2, and its length direction is the same as that of the strip-shaped hole 21. The strip-shaped hole 21 is located in the middle of the bottom surface of the rectangular hole 22. The sliding plate 31 is slidably arranged in the rectangular hole 22, and both sides of the sliding plate 31 are in sliding contact with the inner walls on both sides of the rectangular hole 22 to improve the stability of the sliding plate 31 when it moves. The length of the rectangular hole 22 is greater than the length of the sliding plate 31 to meet the movement requirements of the sliding plate 31. Pressing strips 23 are provided on both sides of the mounting plate 2 corresponding to the rectangular hole 22 for pressing the sliding plate 31.

[0023] Preferably, as Figure 1 shown, a support plate 12 is provided on the outer wall of the housing 1 below or above at least one of the arc-shaped plates 4. A locking screw 41 is passed through the arc-shaped plate 4 corresponding to the support plate 12. When the front end of the locking screw 41 is pressed against the support plate 12, it is used to fix the arc-shaped plate 4. In this way, all the sliding plates 31 can be fixed simultaneously to achieve the purpose of fixing all the nozzles 3 at the same time.

[0024] Preferably, as Figure 3 shown, a telescopic cylinder 5 is provided on the outer wall of the housing 1. The telescopic rod of the telescopic cylinder 5 is connected to one of the sliding plates 31, and the axis of the telescopic rod is parallel to the moving direction of the sliding plate 31 connected thereto. By driving one of the sliding plates 31 through the telescopic cylinder 5, all the nozzles 3 can be driven by the arc-shaped plate 4 to move along the tangent direction of the housing 1 together, thereby adjusting the spraying position of the nozzles 3.

[0025] Preferably, as Figure 1 shown, the rear end of the nozzle 3 is connected to the same annular pipeline 6 through a hose to ensure that the pressure of the air flow ejected from each nozzle 3 is consistent. The annular pipeline 6 is connected to an air pump.

[0026] The above are only the preferred embodiments of the present invention and do not represent the only or limiting the present invention. Those skilled in the art should understand that without departing from the scope of the present invention, various changes or equivalent substitutions made to the present invention all belong to the scope of protection of the present invention.

Claims

1. An installation structure of a jet mill nozzle, characterized in that Comprising: A housing (1) having a plurality of through holes (11) arranged in a circumferential array; Mounting plates (2), the number of which is the same as the number of through holes (11). The mounting plates (2) are disposed on the outer wall of the housing (1) at positions corresponding to the through holes (11). The mounting plates (2) are hermetically connected to the housing (1). The mounting plates (2) are provided with strip-shaped holes (21) along the radial direction of the housing (1), and the length direction of the strip-shaped holes (21) is arranged along the tangent direction of the housing (1); Nozzles (3), the number of which is the same as the number of mounting plates (2). A sliding plate (31) is provided on the outer side of the middle section of the nozzle (3). The sliding plate (31) is movably arranged on the outer wall of the mounting plate (2) along the tangent direction of the housing (1). A sealing ring (32) is provided on the surface of the sliding plate (31) in contact with the mounting plate (2). The sealing ring (32) is located outside the strip-shaped hole (21). A pin shaft (33) parallel to the axis of the housing (1) is provided at the top of the sliding plate (31). An arc-shaped plate (4) is provided between adjacent nozzles (3). The two ends of the arc-shaped plate (4) are respectively sleeved on the adjacent pin shafts (33); The front end of the nozzle (3) sequentially passes through the strip-shaped hole (21) and the through hole (11), and the rear end of the nozzle (3) is used to connect to an air pump.

2. The installation structure of the airflow mill nozzle according to claim 1, characterized in that, A rectangular hole (22) is provided on the outer side of the mounting plate (2). The length direction of the rectangular hole (22) is the same as the length direction of the strip-shaped hole (21). The strip-shaped hole (21) is located in the middle of the bottom surface of the rectangular hole (22). The sliding plate (31) is slidably arranged in the rectangular hole (22). The two sides of the sliding plate (31) are in sliding contact with the two inner side walls of the rectangular hole (22). The length of the rectangular hole (22) is greater than the length of the sliding plate (31). Pressure strips (23) are provided on both sides of the mounting plate (2) corresponding to the rectangular hole (22) for pressing the sliding plate (31).

3. The installation structure of the airflow mill nozzle according to claim 1, wherein, A support plate (12) is provided on the outer wall of the housing (1) below or above at least one of the arc-shaped plates (4). A locking screw (41) is passed through the corresponding arc-shaped plate (4) to the support plate (12). When the front end of the locking screw (41) is pressed against the support plate (12), it is used to fix the arc-shaped plate (4).

4. The installation structure of the airflow mill nozzle according to claim 1, characterized in that, A telescopic cylinder (5) is provided on the outer wall of the housing (1). The telescopic rod of the telescopic cylinder (5) is connected to one of the sliding plates (31), and the axis of the telescopic rod is parallel to the moving direction of the sliding plate (31) connected thereto.

5. The installation structure of the airflow mill nozzle according to claim 1, characterized in that, The mounting plate (2) is connected to the housing (1) by screws.

6. The installation structure of the airflow mill nozzle according to claim 1, characterized in that The rear end of the nozzle (3) is connected to the same annular pipeline (6) through a hose, and the annular pipeline (6) is connected to an air pump.

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