Air supply angle adjusting mechanism for centrifugal machine

Abstract

The air supply angle adjusting mechanism comprises an outer upper half ring, an outer lower half ring is arranged below the outer upper half ring, a clamping groove is formed in the outer side of the outer lower half ring, a transmission device is arranged in the position between the outer upper half ring and the outer lower half ring, an upper fluted disc is arranged above the transmission device, and a lower fluted disc is arranged above the upper fluted disc. A lower fluted disc is arranged below the transmission device, a rotary knob is arranged at the tail end of the transmission device, a plurality of fan blades are arranged on the circle inner center sides of the outer upper half ring and the outer lower half ring and connected with an angle adjusting device, and an inner ring is arranged on the inner side of the angle adjusting device. The angles of the fan blades can be adjusted at will, the fan blades of the fan can be replaced independently, and consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugation, in particular to an air supply angle adjustment mechanism for a centrifuge. Background Art

[0002] As an important industrial equipment, centrifuges are widely used in many fields such as chemical industry, pharmacy, food, and environmental protection. It uses the principle of centrifugal force to separate, filter, or dry materials, etc., and has the advantages of high efficiency, energy conservation, and environmental protection. During these application processes, the air supply angle directly affects the distribution and flow state of materials in the centrifuge, and thus affects the separation effect. A reasonable air supply angle can make the materials more evenly distributed in the centrifuge and improve the separation efficiency.

[0003] According to the content disclosed in the patent publication number CN210163329U, the common air ring structure installed on the centrifuge is a fixed structure, and the blades are directly welded to the shells inside and outside the air ring and cannot move, which results in limitations in the overall applicable range of the equipment. During the use of the equipment, different types of blades cannot be replaced, nor can the blowing angle be adjusted. If the blades are damaged, they cannot be simply replaced. Moreover, the fan blade adjustment angle of its patented design is not precise enough, the adjustment structure is not perfect enough, and when adjusting the angle, the entire upper half of the disc component needs to be rotated, which is troublesome to operate. Therefore, an air supply angle adjustment mechanism for a centrifuge is proposed to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an air supply angle adjustment mechanism for a centrifuge, which can adjust the fan blade angle and allows the fan to replace the fan blade separately.

[0005] To achieve the above purpose, the utility model provides the following technical solution: An air supply angle adjustment mechanism for a centrifuge, including an outer upper half circle, an outer lower half circle is arranged below the outer upper half circle, a card slot is arranged on the outer side of the outer lower half circle, a transmission device is arranged inside between the outer upper half circle and the outer lower half circle, an upper gear disk is arranged above the transmission device, a lower gear disk is arranged below the transmission device, a knob is arranged at the end of the transmission device, several fan blades are arranged on the inner side of the circle center of the outer upper half circle and the outer lower half circle, the several fan blades are connected to an angle adjustment device, an inner circle is arranged inside the angle adjustment device, the angle adjustment device includes a gear, the gear is welded to an adjustment rod, and the adjustment rod and the several fan blades are combined with each other in an insertion manner.

[0006] Preferably, for the air supply angle adjustment mechanism of a centrifuge, the transmission device includes a transmission rod. On the side of the transmission rod away from the inner ring, a transmission gear is provided. On the side of the transmission gear away from the inner ring, a telescopic rod is provided. On the side of the telescopic rod away from the inner ring, a limiting rod is provided. The two ends of the transmission rod are slightly thicker and the middle is slightly thinner. The thicker ends can be better fixed and transmitted, and the slightly thinner middle part does not block the opening and closing of the fan blades.

[0007] Preferably, for the air supply angle adjustment mechanism of a centrifuge, a gear is clamped between the upper tooth disc and the lower tooth disc and meshes with them. When the upper tooth disc and the lower tooth disc rotate, they can drive the rotation of the gear.

[0008] Preferably, for the air supply angle adjustment mechanism of a centrifuge, a transmission gear is clamped between the upper tooth disc and the lower tooth disc and meshes with them. When the transmission gear rotates, it will drive the rotation of the upper tooth disc and the lower tooth disc.

[0009] Preferably, for the air supply angle adjustment mechanism of a centrifuge, a groove is provided on the inner side of the outer upper half circle to fit with the adjusting rod. The outer upper half circle can be engaged with the card slot on the outer lower half circle. The upper tooth disc and the lower tooth disc can rotate flexibly on the outer upper half circle and the outer lower half circle.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The knob can be turned to rotate the transmission gear, which drives the rotation of the upper tooth plate and the lower tooth plate, and then drives the rotation of the gear, achieving the purpose of adjusting the angle of the fan blades.

[0012] 2. The outer upper ring can be disassembled. After the outer upper ring is disassembled, each part can be disassembled and repaired.

[0013] 3. The limiting rod connected to the knob is gear-shaped and can be engaged with the outer upper half circle. After engagement, the transmission gear can be positioned. The telescopic rod can pull out the knob for rotation and limit it when pressed in.

[0014] 4. The fan blade and the adjusting rod are connected by an insertion method. When you need to replace the fan blade, you only need to pull out the fan blade and replace it. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional structure diagram of the present utility model;

[0016] Figure 2 is a schematic structure diagram of the outer upper half circle;

[0017] Figure 3 is a schematic structure diagram of the outer lower half circle;

[0018] Figure 4Schematic structural diagram of the cooperation between the transmission rod and the fan blade;

[0019] Figure 5 Schematic structural diagram of the upper gear disc and the lower gear disc meshing with the gear and the transmission gear respectively.

[0020] In the figure: outer upper semi-circle 1, inner circle 2, fan blade 3, upper gear disc 4, knob 5, lower gear disc 6, transmission device 7, angle adjustment device 8, card slot 9, outer lower semi-circle 10, limit rod 71, telescopic rod 72, transmission gear 73, transmission rod 74, gear 81, adjustment rod 82. Specific 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] Please refer to Figures 1 to 5, the present utility model provides a technical solution: an air supply angle adjustment mechanism for a centrifuge, including an outer upper half circle 1, an outer lower half circle 10 is provided below the outer upper half circle 1, a card slot 9 is provided on the outer side of the outer lower half circle 10, and the card slot 9 can just make the outer upper half circle 1 cooperate with the outer lower half circle 10. The outer upper half circle 1 is inserted into the outer lower half circle 10 in a manner like a lid. A transmission device 7 is arranged inside the outer upper half circle 1 and the outer lower half circle 10. An upper gear disc 4 is arranged above the transmission device 7, and a lower gear disc 6 is arranged below the transmission device 7. Installation slots for the upper gear disc 4 and the lower gear disc 6 are arranged on one side where the outer upper half circle 1 and the outer lower half circle 10 are mutually closed. The upper gear disc 4 and the lower gear disc 6 can rotate in the installation slots. A knob 5 is arranged at the end of the transmission device 7. A plurality of fan blades 3 are arranged on the inner side of the circle center of the outer upper half circle 1 and the outer lower half circle 10. The plurality of fan blades 3 are connected to an angle adjustment device 8. An inner ring 2 is arranged inside the angle adjustment device 8. The angle adjustment device 8 includes a gear 81, the gear 81 is welded to an adjustment rod 82, and the adjustment rod 82 is combined with the plurality of fan blades 3 in an inserted manner. Insertion holes are formed in the adjustment rod 82, and two circular grooves are arranged inside the holes. The circular grooves can just cooperate with the small protrusions at the two ends of the fan blades 3 to achieve the purpose of clamping the fan blades 3. The transmission device 7 includes a transmission rod 74. A transmission gear 73 is arranged on the side of the transmission rod 74 away from the inner ring 2. A telescopic rod 72 is arranged on the side of the transmission gear 73 away from the inner ring 2. A limiting rod 71 is arranged on the side of the telescopic rod 72 away from the inner ring 2. The two ends of the transmission rod 74 are thicker than the middle part. The two ends are thicker cylinders to better fix and transmit the transmission rod 74. The middle part is slightly thinner and can not block the opening and closing of the fan blades 3. The middle of the limiting rod 71 is hollow, and the telescopic rod 72 can just be inserted into the inner part of the limiting rod 71 for telescoping. The telescopic rod 72 passes through a gear-shaped hole formed on the surface of the outer lower half circle 10 and can cooperate with one side of the knob 5 by the device. The transmission gear 73 and the gear 81 are clamped between the upper gear disc 4 and the lower gear disc 6 and are respectively meshed with the upper gear disc 4 and the lower gear disc 6. In this way, when the transmission gear 73 rotates, the upper gear disc 4 and the lower gear disc 6 will rotate in opposite directions to more stably drive the rotation of the gear 81. The rotation of the gear 81 will drive the rotation of the adjustment rod 82 connected to the gear, and then adjust the angle of the fan blades 3.

[0023] In summary, for the air supply angle adjustment mechanism of the centrifuge, during actual use, first pull the knob 5 outwards to make the limit rod 71 leave the outer upper half circle 1, and then rotate the knob 5 to drive the transmission rod 7 to rotate, thereby driving the rotation of the transmission gear 73. When the transmission gear 73 rotates, it can drive the rotation of the upper tooth disc 4 and the lower tooth disc 6, and then make the gear 81 rotate. When the gear 81 rotates, it drives the angle adjustment device 8 to adjust the angle, so that the fan blade 3 can be adjusted to different angles. After selecting the angle, insert the limit rod 71 back into the fixed position to lock the transmission gear 73, so that the upper tooth plate 4 and the lower tooth plate 6 cannot rotate, and further limit the angle of the fan blade 3 from changing. The air supply angle adjustment mechanism of the centrifuge has a simple structure, is convenient for maintenance and operation, and all structures are closely fitted and linked layer by layer. The angle adjustment device 8 can flexibly adjust the angle of the fan blade 3, and the fan can replace the fan blade 3 separately, reducing consumption.

[0024] 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 principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air supply angle adjustment mechanism for a centrifuge, comprising an outer upper half circle (1), an outer lower half circle (10) is provided below the outer upper half circle (1), a card slot (9) is provided on the outer side of the outer lower half circle (10), a transmission device (7) is arranged inside between the outer upper half circle (1) and the outer lower half circle (10), an upper gear disc (4) is arranged above the transmission device (7), a lower gear disc (6) is arranged below the transmission device (7), a knob (5) is arranged at the end of the transmission device (7), several fan blades (3) are arranged on the inner circular center side of the outer upper half circle (1) and the outer lower half circle (10), several said fan blades (3) are connected to an angle adjustment device (8), and an inner circle (2) is arranged inside the angle adjustment device (8); It is characterized in that: The angle adjustment device (8) includes a gear (81), the gear (81) is welded to an adjustment rod (82), and the adjustment rod (82) is combined with several fan blades (3) in an inserted manner.

2. The air supply angle adjustment mechanism for a centrifuge according to claim 1, characterized in that: The transmission device (7) includes a transmission rod (74), a transmission gear (73) is arranged on the side of the transmission rod (74) away from the inner circle (2) direction, a telescopic rod (72) is arranged on the side of the transmission gear (73) away from the inner circle (2) direction, a limiting rod (71) is arranged on the side of the telescopic rod (72) away from the inner circle (2) direction, and both sides of the transmission rod (74) are cylinders thicker than the middle.

3. The air supply angle adjustment mechanism for a centrifuge according to claim 1, characterized in that: The gear (81) is sandwiched between the upper gear disc (4) and the lower gear disc (6) and meshes with them.

4. The air supply angle adjustment mechanism for a centrifuge according to claim 1, characterized in that: The transmission gear (73) is sandwiched between the upper gear disc (4) and the lower gear disc (6) and meshes with them.

5. The air supply angle adjustment mechanism for a centrifuge according to claim 1, characterized in that: A groove is provided inside the outer upper half circle (1) to fit with the adjustment rod (82), the outer upper half circle (1) can be engaged with the card slot (9) on the outer lower half circle (10), and the upper gear disc (4) and the lower gear disc (6) can rotate flexibly on the outer upper half circle (1) and the outer lower half circle (10).

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