Centrifugal machine with differential speed adjusting function
By designing the driving mechanism and adjustment mechanism in the centrifuge, the speed of the centrifuge is detected and adjusted, and the centrifuge uneven problem caused by the speed deviation of the existing centrifuge is solved, and the stability of the centrifuge effect is improved.
Patent Information
- Application Number
- CN202421532375.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-01
AI Technical Summary
During the use of existing centrifuges, due to external reasons or different internal materials, the motor output rate is the same but the rotation speed is deviated, affecting the centrifugal mass and effect.
A centrifuge with the function of adjusting the difference speed is designed, and a combination of driving mechanism and adjustment mechanism is adopted. The driving mechanism drives the meshing of the rotating rod and the helical gear through the motor to rotate the centrifugal cylinder; the adjustment mechanism detects and adjusts the rotation speed of the centrifugal cylinder through the linkage gear and magnetic force control to maintain stability.
Through this design, the rotation speed of the centrifugal cylinder can be effectively controlled, the centrifugal uneven problem caused by speed deviation can be avoided, and the stability of the centrifugal effect can be improved.
Smart Images

Figure CN222931016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of centrifuges, in particular to a centrifuge with a function of adjusting differential speed. Background Art
[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solid particles or components in a mixture of liquids and liquids. Centrifuges are mainly used to separate solid particles from liquids in a suspension, or to separate two immiscible liquids of different densities in an emulsion.
[0003] However, in the prior art, during the use of the centrifuge, the speed may vary due to external factors or the weight of the material added inside, resulting in a larger or smaller deviation in the rotation speed for the same output rate of the motor. The difference in speed may easily affect the centrifugal quality of the centrifuged material during actual application, and may easily cause uneven centrifugation, thus affecting the centrifugal effect. Utility Model Content
[0004] In view of the deficiencies in the prior art, the technical solution adopted by the utility model to solve the technical problems is: a centrifuge with a function of adjusting differential speed, comprising: a carrying cylinder; a centrifugal cylinder, the outer wall of the centrifugal cylinder is slidably connected to the inner wall of the carrying cylinder; a driving mechanism, the driving mechanism is arranged inside the carrying cylinder; an adjusting mechanism, the outer wall of the adjusting mechanism is fixedly connected to the outer wall of the driving mechanism; the adjusting mechanism comprises a fixed disk, the outer wall of the fixed disk is rotatably connected to a rotating disk, the outer wall of the rotating disk begins to have a curved groove, the outer wall of the fixed disk is slidably connected to a moving rod, the outer wall of the moving rod is fixedly connected to a guide column, the bottom end of the moving rod is fixedly connected to a magnetic block, the top end of the fixed disk is rotatably connected to a driving rod, the outer wall of the driving rod is fixedly connected to a driving gear, a starter is arranged at one end of the driving rod away from the driving gear, the output end of the other end of the starter is fixedly connected to a driving gear, and the outer wall of the starter is fixedly connected to a controller.
[0005] Preferably, the bottom end of the fixed disk is fixedly connected to the inner wall of the bearing tube, and the outer wall of the guide pillar is slidably connected to the inner wall of the curved groove. The rotating disk rotates on the fixed disk, and the guide pillar is moved through the curved groove, so that the moving rod slides on the fixed disk and drives the fixedly connected magnetic block to approach the rotating rod.
[0006] Preferably, the outer wall of the driving gear meshes with the rotating disk, and the output end of the starter away from one end of the driving gear is fixedly connected to the outer wall of the driving rod. The outer wall of the rotating disk is provided with a tooth opening, and the driving gear drives the meshing rotating disk to rotate on the fixed disk.
[0007] Preferably, the driving mechanism comprises a vertical rod, the inner wall of the vertical rod is rotatably connected to a rotating rod, the outer wall of the vertical rod is fixedly connected to a motor, the end of the vertical rod away from the motor is fixedly connected to a linkage gear, the outer wall of the vertical rod is fixedly connected to a first helical tooth, the top of the first helical tooth is provided with a second helical tooth, and the top of the second helical tooth is fixedly connected to a driving rod. The motor drives the rotating rod to rotate on the vertical rod, so that the first helical tooth rotates, and through the meshing of the first helical tooth and the second helical tooth, the driving rod rotates on the inner wall of the bearing cylinder, so that the centrifugal cylinder fixedly connected to the driving rod rotates inside the bearing cylinder.
[0008] Preferably, the bottom end of the vertical rod is fixedly connected to the inner wall of the bearing tube, the first beveled teeth are meshed with the second beveled teeth, the outer wall of the driving rod is slidably connected to the inner wall of the bearing tube, the end of the driving rod away from the second beveled teeth passes through the bearing tube and extends to the outside of the bearing tube, and the top of the driving rod is fixedly connected to the bottom end of the centrifugal tube. The outer wall of the vertical rod is fixedly connected to the outer wall of the starter, and the linkage gear is meshed with the driving gear. During the rotation of the rotating rod, the linkage gear is driven to rotate, and the meshing driving gear is driven to rotate, so that the starter generates electricity and the rotation speed is detected by the internal rotation speed sensor.
[0009] The beneficial effects of the utility model are as follows:
[0010] 1. The utility model sets a driving mechanism. Compared with the traditional direct connection of the motor, the utility model drives the rotating rod to rotate through the motor, and through the meshing of the first helical tooth and the second helical tooth, the driving rod rotates on the inner wall of the bearing cylinder, and the material inside the centrifugal cylinder is centrifuged. The meshing driving gear is driven to rotate through the linkage gear, so as to be connected with the adjustment mechanism, so as to better detect and control the rotation speed of the centrifugal cylinder.
[0011] 2. The utility model sets an adjustment mechanism, and the linkage gear drives the meshing driving gear to rotate, so that the starter generates electricity and detects the rotation speed through the internal rotation speed sensor. When the rotation speed is too fast or too slow, the driving rod is rotated through the controller, so that the driving gear shifts the meshing rotating disk, the moving rod slides on the fixed disk, and drives the fixedly connected magnetic block to approach the rotating rod. The rotation speed of the rotating rod is reduced under the action of the magnetic force, thereby controlling the rotation speed of the centrifuge cylinder and maintaining the stability of the rotation of the centrifuge cylinder. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is the front view of the utility model;
[0013] Figure 2 It is a cross-sectional view of the utility model;
[0014] Figure 3It is a schematic structural diagram of the driving mechanism of the utility model;
[0015] Figure 4 It is a schematic structural diagram of the adjusting mechanism of the utility model.
[0016] In the figure: 1, bearing cylinder; 2, centrifugal cylinder; 3, driving mechanism; 31, vertical rod; 32, motor; 33, rotating rod; 34, first helical gear; 35, linkage gear; 36, second helical gear; 37, driving rod; 4, adjusting mechanism; 41, fixed disk; 42, rotating disk; 43, curved groove; 44, moving rod; 45, guide post; 46, magnetic block; 47, driving gear; 48, driving rod; 49, starter; 410, driving gear; 411, controller. Specific embodiments
[0017] The following further describes the present utility model in detail in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limit the present utility model to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.
[0018] Embodiment:
[0019] Please refer to Figure 1 - Figure 4 , the present utility model provides a technical solution: a centrifuge with a function of adjusting differential speed, including: a bearing cylinder 1; a centrifugal cylinder 2, the outer wall of the centrifugal cylinder 2 is slidably connected to the inner wall of the bearing cylinder 1; a driving mechanism 3, the driving mechanism 3 is arranged inside the bearing cylinder 1; an adjusting mechanism 4, the outer wall of the adjusting mechanism 4 is fixedly connected to the outer wall of the driving mechanism 3; the adjusting mechanism 4 includes a fixed disk 41, the outer wall of the fixed disk 41 is rotatably connected with a rotating disk 42, a curved groove 43 is formed on the outer wall of the rotating disk 42, the outer wall of the fixed disk 41 is slidably connected with a moving rod 44, a guide post 45 is fixedly connected to the outer wall of the moving rod 44, a magnetic block 46 is fixedly connected to the bottom end of the moving rod 44, a driving rod 48 is rotatably connected to the top end of the fixed disk 41, a driving gear 47 is fixedly connected to the outer wall of the driving rod 48, a starter 49 is arranged at one end of the driving rod 48 away from the driving gear 47, a driving gear 410 is fixedly connected to the output end of the other end of the starter 49, and a controller 411 is fixedly connected to the outer wall of the starter 49.
[0020] The bottom end of the fixed disk 41 is fixedly connected to the inner wall of the bearing tube 1, and the outer wall of the guide column 45 is slidably connected to the inner wall of the curved groove 43. The rotating disk 42 rotates on the outer wall of the fixed disk 41, and moves the outer wall of the guide column 45 through the curved groove 43, so that the moving rod 44 slides on the inner wall of the fixed disk 41, and drives the fixedly connected magnetic block 46 to move.
[0021] The outer wall of the driving gear 47 meshes with the rotating disk 42, and the output end of the starter 49 away from the driving gear 410 is fixedly connected to the outer wall of the driving rod 48. The driving rod 48 drives the fixedly connected driving gear 47 to rotate, and drives the meshing rotating disk 42 to rotate on the fixed disk 41.
[0022] The driving mechanism 3 includes a vertical rod 31, the inner wall of the vertical rod 31 is rotatably connected to a rotating rod 33, the outer wall of the vertical rod 31 is fixedly connected to a motor 32, the end of the vertical rod 31 away from the motor 32 is fixedly connected to a linkage gear 35, the outer wall of the vertical rod 31 is fixedly connected to a first beveled tooth 34, the top of the first beveled tooth 34 is provided with a second beveled tooth 36, and the top of the second beveled tooth 36 is fixedly connected to a driving rod 37. The motor 32 drives the fixedly connected rotating rod 33 to rotate on the inner wall of the vertical rod 31, and drives the first beveled tooth 34 fixedly connected to the rotating rod 33 to rotate, and through the meshing of the first beveled tooth 34 and the second beveled tooth 36, the driving rod 37 is rotated on the inner wall of the carrying cylinder 1, so that the centrifugal cylinder 2 fixedly connected to the driving rod 37 rotates inside the carrying cylinder 1.
[0023] The bottom end of the vertical rod 31 is fixedly connected to the inner wall of the bearing cylinder 1, the first beveled teeth 34 are meshed with the second beveled teeth 36, the outer wall of the driving rod 37 is slidably connected to the inner wall of the bearing cylinder 1, the end of the driving rod 37 away from the second beveled teeth 36 passes through the bearing cylinder 1 and extends to the outside of the bearing cylinder 1, and the top of the driving rod 37 is fixedly connected to the bottom end of the centrifugal cylinder 2. The outer wall of the vertical rod 31 is fixedly connected to the outer wall of the starter 49, and the linkage gear 35 is meshed with the driving gear 410.
[0024] Working principle:
[0025] When in use, the motor 32 drives the rotating rod 33 to rotate on the vertical rod 31 through the driving mechanism 3, and drives the first beveled teeth 34 fixedly connected to the rotating rod 33 to rotate, and the first beveled teeth 34 and the second beveled teeth 36 are meshed, so that the driving rod 37 rotates on the inner wall of the carrying cylinder 1, so that the centrifugal cylinder 2 fixedly connected to the driving rod 37 rotates inside the carrying cylinder 1, and the material inside the centrifugal cylinder 2 is centrifuged;
[0026] Through the adjusting mechanism 4, during the rotation of the rotating rod 33, the linkage gear 35 is driven to rotate, and the meshing driving gear 410 is driven to rotate, so that the starter 49 generates electricity and detects the rotation speed through the internal speed sensor. When the rotation speed is too fast, the starter 49 drives the driving rod 48 at the other end to rotate through the controller 411, so that the driving rod 48 drives the driving gear 47 to rotate, and the meshing rotating disk 42 is driven to rotate on the fixed disk 41. Through the sliding of the guide column 45 in the curved groove 43, the moving rod 44 slides on the fixed disk 41, and drives the fixedly connected magnetic block 46 to approach the rotating rod 33. The rotation speed of the rotating rod 33 is reduced by the action of the magnetic force, thereby controlling the rotation speed of the centrifuge cylinder 2, and vice versa.
[0027] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. A centrifuge with a function of adjusting differential speed, characterized in that: include: A bearing tube (1); A centrifugal cylinder (2), wherein the outer wall of the centrifugal cylinder (2) is slidably connected to the inner wall of the supporting cylinder (1); A driving mechanism (3), wherein the driving mechanism (3) is arranged inside the carrying cylinder (1); An adjusting mechanism (4), wherein an outer wall of the adjusting mechanism (4) is fixedly connected to an outer wall of the driving mechanism (3); The regulating mechanism (4) comprises a fixed disk (41), the outer wall of the fixed disk (41) is rotatably connected to a rotating disk (42), the outer wall of the rotating disk (42) begins to have a curved groove (43), the outer wall of the fixed disk (41) is slidably connected to a moving rod (44), the outer wall of the moving rod (44) is fixedly connected to a guide column (45), the bottom end of the moving rod (44) is fixedly connected to a magnetic block (46), the top end of the fixed disk (41) is rotatably connected to a driving rod (48), the outer wall of the driving rod (48) is fixedly connected to a driving gear (47), a starter (49) is provided at one end of the driving rod (48) away from the driving gear (47), the output end of the other end of the starter (49) is fixedly connected to a driving gear (410), and the outer wall of the starter (49) is fixedly connected to a controller (411).
2. A centrifuge with a differential speed adjustment function according to claim 1, characterized in that: The bottom end of the fixed plate (41) is fixedly connected to the inner wall of the bearing tube (1), and the outer wall of the guide column (45) is slidably connected to the inner wall of the curved groove (43).
3. The centrifuge with differential speed adjustment function according to claim 1, characterized in that: The outer wall of the driving gear (47) is meshed with the rotating disk (42), and the output end of the starter (49) away from one end of the driving gear (410) is fixedly connected to the outer wall of the driving rod (48).
4. The centrifuge with differential speed adjustment function according to claim 1, characterized in that: The driving mechanism (3) comprises a vertical rod (31), the inner wall of the vertical rod (31) is rotatably connected to a rotating rod (33), the outer wall of the vertical rod (31) is fixedly connected to a motor (32), one end of the vertical rod (31) away from the motor (32) is fixedly connected to a linkage gear (35), the outer wall of the vertical rod (31) is fixedly connected to a first bevel tooth (34), the top end of the first bevel tooth (34) is provided with a second bevel tooth (36), and the top end of the second bevel tooth (36) is fixedly connected to a driving rod (37).
5. A centrifuge with a differential speed adjustment function according to claim 4, characterized in that: The bottom end of the vertical rod (31) is fixedly connected to the inner wall of the supporting tube (1), the first beveled tooth (34) is meshed with the second beveled tooth (36), the outer wall of the driving rod (37) is slidably connected to the inner wall of the supporting tube (1), the end of the driving rod (37) away from the second beveled tooth (36) passes through the supporting tube (1) and extends to the outside of the supporting tube (1), and the top end of the driving rod (37) is fixedly connected to the bottom end of the centrifugal tube (2).
6. A centrifuge with differential speed adjustment function according to claim 5, characterized in that: The outer wall of the vertical rod (31) is fixedly connected to the outer wall of the starter (49), and the linkage gear (35) is meshed with the driving gear (410).