Clutch mechanism driven by spindle of centrifugal machine
By designing a clutch mechanism including a locking device, the safety problem caused by the lack of a limiting device for the existing centrifuge spindle drive clutch mechanism at high speed is solved, and the effective locking of the reducer motor and the high-speed centrifuge spindle is achieved, thereby improving the safety and stability of the equipment.
Patent Information
- Application Number
- CN202421277792.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The clutch mechanism driven by the existing centrifuge spindle lacks a limiting device during high-speed centrifugation, and there is a risk of a reduction motor collide with the high-speed centrifuge spindle, which has poor safety.
A clutch mechanism including a mounting base, a track device, a sliding seat, a clutch drive device and a locking device is designed. The locking device locks the slide seat after it is retracted and resets. Through the cooperation of position sensors, positioning members and pins, it ensures that the reducer motor and the high-speed centrifuge spindle do not collide.
The safety of the centrifuge spindle drive clutch mechanism is improved, prevents the gear reduction motor from colliding with the high-speed centrifuge spindle, and ensures the stability and safety of the equipment during high-speed operation.
Smart Images
Figure CN222642262U_ABST
Abstract
Description
[Technical field]
[0002] The utility model relates to the field of centrifuges, in particular to a clutch mechanism driven by a main shaft of a centrifuge. [Background technology]
[0004] There are two actions in the centrifuge, one is centrifugal separation and the other is scraping. Centrifugal separation is achieved by using a high-speed centrifugal motor to drive a rotating belt drive; scraping is performed by using a reduction motor at a low speed, which can be driven by a belt drive or a gear drive. Under the existing technology, the reduction motor has no limit device when the centrifuge is centrifuged at high speed, and there is a risk of collision between the reduction motor and the high-speed centrifugal spindle, and the safety of the centrifuge spindle drive clutch mechanism is poor.
[0005] Therefore, there is an urgent need to provide a clutch mechanism for centrifuge main shaft drive to solve the above technical problems existing in the prior art. [Contents of the utility model]
[0007] The technical problem to be solved by the utility model is to provide a centrifuge main shaft drive clutch mechanism with a locking device and high safety. The utility model is achieved by the following technical solutions:
[0008] A clutch mechanism driven by a centrifuge main shaft is used to control the clutch and locking of a reduction motor and a centrifuge main shaft, comprising a mounting seat, a track device is provided on the mounting seat, a sliding seat for mounting the reduction motor is provided on the track device, a clutch driving device for pushing or contracting the sliding seat and a locking device for retracting and resetting the sliding seat are provided on the mounting seat.
[0009] In the above-mentioned clutch mechanism driven by the main shaft of a centrifuge, the track device is a linear guide rail, the linear guide rail is fixedly connected to the mounting seat, and the sliding seat is slidably connected to the linear guide rail.
[0010] A clutch mechanism driven by a centrifuge spindle as described above, the locking device comprises a locking frame fixedly connected to the mounting seat, the locking frame is provided with a locking cylinder, a locking telescopic rod extending from the locking cylinder, the locking telescopic rod is fixedly connected with a latch, the locking frame is fixedly connected with a socket, a locking piece is provided on the sliding seat, both the socket and the locking piece are provided with a socket adapted to the latch, a position sensor is connected to the mounting seat, and a positioning piece is fixedly connected to the sliding seat, so that after the positioning piece approaches the position sensor, the locking cylinder pushes the locking telescopic rod and drives the latch to be inserted into the locking hole to achieve locking of the sliding seat and the reduction motor.
[0011] As described above, a clutch mechanism driven by a centrifuge spindle, the clutch drive device is a pneumatic device or a hydraulic device, the pneumatic device includes a push cylinder fixedly connected to a mounting seat, a drive telescopic rod extending from the push cylinder, a connecting piece is provided on the sliding seat, the drive telescopic rod is fixedly connected to the connecting piece, so that the drive telescopic rod drives the sliding seat to perform linear motion along the linear guide rail during the pushing and contraction process.
[0012] Compared with the prior art, the utility model has the following advantages:
[0013] 1. The utility model proposes a clutch mechanism driven by a centrifuge main shaft. The locking device locks the sliding seat after it is retracted and reset, thereby preventing the reduction motor arranged on the sliding seat from colliding with the high-speed rotating centrifuge main shaft, thereby improving the safety of the clutch mechanism driven by the centrifuge main shaft.
[0014] 2. The utility model adopts a linear guide rail for guiding, which improves the accuracy and stability of the centrifugal spindle drive clutch mechanism in the process of pushing and retracting the sliding seat.
[0015] 3. The utility model adopts the cooperation of position sensor, positioning part and latch, so that after the driving cylinder retracts, the locking cylinder pushes the latch to lock the reduction motor, so as to prevent the driving cylinder from pushing out in abnormal situation, causing the reduction motor to collide with the main shaft of the high-speed centrifuge, thereby improving the safety of the centrifuge main shaft drive clutch mechanism.
[0016] 4. The utility model adopts a push cylinder as the power source of the clutch drive device, which has a simple structure, is easy to install and maintain, has low cost and long service life.
Brief Description of the Drawings
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model Figure 1 ;
[0020] Figure 2 This is a partial enlargement of the front view structural diagram of the utility model. Figure 2 ;
[0021] Figure 3 This is a partial enlargement of the front view structural diagram of the utility model. Figure 3 ;
[0022] Figure 4This is a partial enlargement of the front view structural diagram of the utility model. Figure 4 ;
[0023] Figure 5 The top view of the structure of the utility model is shown in FIG. Figure 5 ;
[0024] Figure 6 This is a partial enlargement of the schematic diagram of the top view of the structure of the utility model. Figure 6 ;
[0025] Figure 7 The rear view structure of the utility model is shown in FIG. Figure 7 ; Figure 8 This is a partial enlargement of the rear view structure diagram of the utility model. Figure 8 ;
[0026] Fig. 9 This is a partial enlargement of the rear view structure diagram of the utility model. Figure 9 . [Specific implementation method]
[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0029] See also Figures 1 to 9 A clutch mechanism for centrifuge main shaft drive, used for controlling the clutch and locking of the reduction motor 2 and the centrifuge main shaft 6, comprises a mounting seat 10, a track device 11 is provided on the mounting seat 10, a sliding seat 5 for mounting the reduction motor 2 is provided on the track device 11, and a clutch driving device 3 for pushing or retracting the sliding seat 5 and a locking device 4 for retracting and resetting the sliding seat 5 are provided on the mounting seat 10. In this embodiment, the locking device locks the sliding seat after it is retracted and reset, preventing the reduction motor provided on the sliding seat from colliding with the high-speed rotating centrifuge main shaft, thereby improving the safety of the centrifuge main shaft drive clutch mechanism.
[0030] The locking device 4 comprises a locking frame 49, a locking driving device is provided on the locking frame 49, a locking pin 42 is provided on the locking driving device, a fixing member 43 is provided on the locking frame 49, a locking member 48 is provided on the sliding seat 5, and a locking mechanism 47 adapted to the locking pin 42 is provided on the fixing member 43 and the locking member 48 respectively;
[0031] The locking drive device includes a locking cylinder 41 and a locking telescopic rod 46 extending from the locking cylinder 41 . The locking telescopic rod 46 is fixedly connected to the locking pin 42 .
[0032] Further, as a preferred embodiment of the present invention but not limiting, the track device 11 is a linear guide rail, the linear guide rail is fixedly connected to the mounting seat 10, and the sliding seat 5 is slidably connected to the linear guide rail. In this embodiment, the linear guide rail is used for guiding, which improves the accuracy and stability of the centrifugal spindle drive clutch mechanism in the process of pushing and retracting the sliding seat.
[0033] Further, as a preferred embodiment of the present scheme but not a limitation, the locking device 4 includes a locking frame 49 fixedly connected to the mounting seat 10, the locking frame 49 is provided with a locking cylinder 41, a locking telescopic rod 46 extending from the locking cylinder 41, the locking telescopic rod 46 is fixedly connected with a latch 42, the locking frame 49 is fixedly connected with a socket 43, a locking piece 48 is provided on the sliding seat 5, and both the socket 43 and the locking piece 48 are provided with a socket 47 adapted to the latch 42, a position sensor 44 is provided on the mounting seat 10, and a positioning piece 45 is fixedly connected to the sliding seat 5, so that after the positioning piece 45 approaches the position sensor 44, the locking cylinder 41 pushes the locking telescopic rod 46 and drives the latch 42 to be inserted into the locking hole to lock the sliding seat 5 and the reduction motor 2. In this embodiment, a position sensor, a positioning member and a latch are used in combination to achieve that after the driving cylinder retracts, the locking cylinder pushes the latch to lock the reduction motor, thereby preventing the driving cylinder from being pushed out in an abnormal situation, causing the reduction motor to collide with the high-speed centrifuge main shaft, thereby improving the safety of the centrifuge main shaft drive clutch mechanism.
[0034] Furthermore, the fixing member 43 is fixedly connected to the locking frame 49 .
[0035] Furthermore, the locking telescopic rod 46 is a locking pneumatic telescopic rod, the locking pin 42 is a latch, and the locking mechanism 47 is a socket.
[0036] Further, as a preferred implementation mode of the present invention but not a limitation, the clutch drive device 3 is a pneumatic device or a hydraulic device, and the pneumatic device includes a push cylinder 31 fixedly connected to the mounting seat 10, a drive telescopic rod 32 extending from the push cylinder 31, and a connecting piece 33 is provided on the sliding seat 5. The drive telescopic rod 32 is fixedly connected to the connecting piece 33, so that the drive telescopic rod 32 drives the sliding seat 5 to perform linear motion along the linear guide rail during the pushing and contracting process. In this embodiment, a push cylinder is used as the power source of the clutch drive device, which has a simple structure, is easy to install and maintain, has low cost, and has a long service life. The working principle of this embodiment is as follows:
[0037] The clutch process of the centrifuge spindle drive clutch mechanism, such as Figure 1As shown, after the centrifugal motor 8 stops running, the locking cylinder 41 contracts the locking telescopic rod 46 and drives the latch 42 to contract and disengage from the locking hole, and the sliding seat 5 is unlocked. At this time, the pushing cylinder 31 pushes the driving telescopic rod 32 and drives the reduction motor 2 to move along the linear guide toward the centrifuge main shaft 6. The positioning plate 45 is away from the position sensor 44. The reduction motor 2 rotates slowly so that the active bevel gear 21 and the driven bevel gear 7 are slowly engaged, so that the centrifuge performs a scraping action. After the scraping action is completed, the driving telescopic rod 32 is contracted and drives the reduction motor 2 to move along the linear guide away from the centrifuge main shaft 6. The positioning plate 45 is close to the position sensor 44, and the locking telescopic rod 46 is extended, pushing the latch 42 to insert into the locking hole to achieve locking of the reduction motor 2.
[0038] The above are implementation methods provided in combination with specific contents, and it is not intended that the specific implementation of this application is limited to these descriptions. Any method structure similar to the present application, or a number of technical deductions or replacements based on the concept of the present application, should be considered as the protection scope of this application.
Claims
1. A clutch mechanism for driving a centrifuge main shaft, used for controlling the clutch and locking of a reduction motor (2) and a centrifuge main shaft (6), characterized in that: The invention comprises a mounting seat (10), a track device (11) being provided on the mounting seat (10), a sliding seat (5) for mounting a reduction motor (2) being provided on the track device (11), a clutch driving device (3) for pushing or retracting the sliding seat (5) and a locking device (4) for retracting and resetting the sliding seat (5) being provided on the mounting seat (10); The locking device (4) comprises a locking frame (49), a locking drive device is provided on the locking frame (49), a locking pin (42) is provided on the locking drive device, a fixing member (43) is provided on the locking frame (49), a locking member (48) is provided on the sliding seat (5), and locking mechanisms (47) adapted to the locking pin (42) are respectively provided on the fixing member (43) and the locking member (48).
2. The clutch mechanism driven by the centrifuge main shaft according to claim 1, characterized in that: The locking drive device comprises a locking cylinder (41), a locking telescopic rod (46) extending from the locking cylinder (41), and the locking telescopic rod (46) is fixedly connected to the locking pin (42).
3. The clutch mechanism driven by the centrifuge main shaft according to claim 2, characterized in that: The locking frame (49) is fixedly connected to the mounting seat (10).
4. The clutch mechanism driven by the centrifuge main shaft according to claim 3, characterized in that: The fixing member (43) is fixedly connected to the locking frame (49).
5. The centrifuge main shaft driven clutch mechanism according to claim 4, characterized in that: The locking telescopic rod (46) is a locking pneumatic telescopic rod, the locking pin (42) is a latch pin, and the locking mechanism (47) is a socket.
6. The centrifuge main shaft driven clutch mechanism according to claim 5, characterized in that: The clutch drive device (3) comprises a push cylinder (31) fixedly connected to a mounting seat (10), a drive telescopic rod (32) extending from the push cylinder (31), and a connecting piece (33) is provided on the mounting seat (10).
7. The centrifuge main shaft driven clutch mechanism according to claim 6, characterized in that: The driving telescopic rod (32) is fixedly connected to the connecting member (33).
8. The centrifuge main shaft driven clutch mechanism according to claim 7, characterized in that: The track device (11) is fixedly connected to the mounting seat (10); the track device (11) is a linear guide rail; and the sliding seat (5) is slidably connected to the linear guide rail.
9. The centrifuge main shaft driven clutch mechanism according to claim 8, characterized in that: A position sensor (44) is provided on the mounting seat (10), and a positioning member (45) is provided on the sliding seat (5), so that when the positioning member (45) is close to the position sensor (44), the locking cylinder (41) pushes the locking pneumatic telescopic rod and drives the latch to be inserted into the insertion hole to achieve locking of the sliding seat (5) and the reduction motor (2).