Novel double-disc brake mechanism for double-layer centrifugal machine

Abstract

The utility model provides a novel double-disc brake mechanism for a double-layer centrifugal machine, and relates to the technical field of brake devices, the novel double-disc brake mechanism comprises a cabinet, an upper rotary body and a lower rotary body, the outer surface of a fulcrum shaft is rotatably connected with two brake side hinge plates, one side of each brake side hinge plate is connected with a brake pad mounting plate, and the other side of each brake pad mounting plate is connected with a brake disc. The outer surface of the middle link hinge shaft is rotationally connected with a first non-braking side hinge plate, the end, away from the middle link hinge shaft, of the first non-braking side hinge plate is rotationally connected with a middle hinge nut shaft, and the inner wall of the threaded seat is in threaded connection with a screw rod. Through cooperation of the fulcrum shaft, the brake pad mounting plate, the middle link hinge shaft, the middle link nut shaft, the non-braking side hinge plate and the screw, reliability is improved, operation is convenient, simultaneous braking of the upper rotary body and the lower rotary body can be achieved, the influence of errors caused by braking and non-braking is small, and the braking state and the braking quit state can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a double-disc brake mechanism, in particular to a novel double-disc brake mechanism for a double-layer centrifuge, belonging to the technical field of brake devices. Background Art

[0002] Double-layer centrifuges use the centrifugal force generated by high-speed rotation to separate different components in a mixture. In a double-layer centrifuge, each centrifugal chamber can be independently controlled to adapt to different separation conditions, such as speed, temperature and time. Double-layer centrifuges can handle various types of suspensions or emulsions and are suitable for chemical, food, pharmaceutical and other industries.

[0003] When a double-layer centrifuge is stopped, inertia still exists and the internal rotor is still rotating. The internal rotor needs to be braked. The existing braking mechanism has two modes: individual braking and simultaneous braking. Individual braking means that each rotor has a separate braking mechanism. Both individual braking and simultaneous braking can meet customer requirements. However, individual braking is more cumbersome to operate and takes up a lot of space. The existing dual braking method uses the main conical slider to move forward and backward to achieve tensioning and releasing. When moving forward, the conical slider opens the brake tensioning mechanism with friction pads. When moving backward, the angle between the upper and lower brakes decreases under the action of springs to achieve releasing braking. This mechanism can achieve braking under the action of guides, but due to certain deviations in manufacturing, the friction surface is unevenly stressed during release, causing the conical slider to easily get stuck and unable to exit the braking state, or the exit state is poor, thereby getting stuck in the rotor and hindering the rotation of the rotor. To this end, we provide a new double-disc brake mechanism for double-layer centrifuges to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the present invention provides a new double-disc brake mechanism for a double-layer centrifuge to solve the above problems. The specific technical solution is as follows:

[0005] A novel double-disc brake mechanism for a double-layer centrifuge comprises a cabinet, an upper rotating body and a lower rotating body, one end of the upper rotating body and the lower rotating body are rotatably connected to the inner wall of the cabinet, the inner wall of the cabinet is connected to a fulcrum shaft, the outer surface of the fulcrum shaft is rotatably connected to two braking side hinge plates, and the two braking side hinge plates are symmetrical, one side of the two braking side hinge plates is connected to a brake pad mounting plate, the ends of the two braking side hinge plates away from the fulcrum shaft are connected to an intermediate link hinge shaft, the outer surface of the intermediate link hinge shaft is rotatably connected to a non-braking side hinge plate 1, the end of the non-braking side hinge plate 1 away from the intermediate link hinge shaft is rotatably connected to an intermediate hinge nut shaft, one end of the intermediate hinge nut shaft is connected to a threaded seat, and the inner wall of the threaded seat is threadedly connected to a screw.

[0006] Preferably, a bearing seat is installed on the inner wall of the cabinet, and the inner wall of the bearing seat is connected to the outer surface of the screw.

[0007] Preferably, the outer surface of the fulcrum shaft is connected to a support seat, and the inner wall of the support seat is rotatably connected to one end of the screw.

[0008] Preferably, the other end of the screw is connected to a handwheel, and the handwheel is located outside the cabinet.

[0009] Preferably, the outer surface of the screw is rotatably connected to two positioning brake rings, one of which is connected to the outer surface of the cabinet, and the other is connected to the outer surface of the bearing seat.

[0010] Preferably, an upper brake pad body is mounted on the outer surface of one of the brake pad mounting plates, and the outer surface of the upper brake pad body is in contact with the outer surface of the upper rotating body.

[0011] Preferably, a lower brake pad body is mounted on an outer surface of the other brake pad mounting plate, and an outer surface of the lower brake pad body contacts an outer surface of the lower rotating body.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The utility model improves reliability and facilitates operation through the coordination among the fulcrum shaft, the brake pad mounting plate, the middle link hinge shaft, the middle link nut shaft, the non-braking side hinge plate and the screw rod. It can realize the braking of the upper rotating body and the lower rotating body at the same time, has little influence on the braking and non-braking realization errors, and can effectively improve the braking and exit braking states.

[0014] 2. The utility model realizes the cooperation among the fulcrum shaft, the brake side hinge plate, the brake pad mounting plate and the screw rod, and the manufacturing process of the fulcrum shaft, the brake side hinge plate, the brake pad mounting plate and the screw rod is relatively simple, and the number of manufacturing parts is relatively small, thereby reducing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0017] Figure 3 This is a rear view structural diagram of the present invention;

[0018] Figure 4 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 5It is a schematic diagram of the three-dimensional structure of the screw in the present invention.

[0020] Description of the drawings: 1. Cabinet; 2. Upper rotating body; 3. Lower rotating body; 4. Fulcrum shaft; 5. Braking side hinge plate; 6. Brake pad mounting plate; 7. Intermediate link hinge shaft; 8. Non-braking side hinge plate 1; 9. Intermediate hinge nut shaft; 10. Threaded seat; 11. Screw; 12. Bearing seat; 13. Support seat; 14. Handwheel; 15. Positioning brake ring; 16. Upper brake pad body; 17. Lower brake pad body. DETAILED DESCRIPTION

[0021] The present invention will now be further described with reference to the accompanying drawings.

[0022] See also Figure 1-Figure 5 , a new double-disc brake mechanism for a double-layer centrifuge, comprising a cabinet 1, an upper rotating body 2 and a lower rotating body 3, characterized in that one end of the upper rotating body 2 and the lower rotating body 3 are rotatably connected to the inner wall of the cabinet 1, the inner wall of the cabinet 1 is connected with a fulcrum shaft 4, the outer surface of the fulcrum shaft 4 is rotatably connected to two brake side hinge plates 5, and the two brake side hinge plates 5 are symmetrical, and the fulcrum shaft 4 provides support for the two brake side hinge plates 5 to maintain the stability of the two brake side hinge plates 5 during rotation. One side of the two brake side hinge plates 5 is connected to a brake pad mounting plate 6, and support is provided for the upper brake pad body 16 and the lower brake pad body 17 by the upper brake pad mounting plate 6 and the lower brake pad mounting plate 6 to prevent the upper brake pad body 16 and the lower brake pad body 17 from deforming when they come into contact with the upper rotating body 2 and the lower rotating body 3. Deformation will cause a reduction in contact area and reduce braking performance.

[0023] The ends of the two braking side hinge plates 5 away from the fulcrum shaft 4 are both connected to the intermediate link hinge shaft 7, the outer surface of the intermediate link hinge shaft 7 is rotatably connected to the non-braking side hinge plate 18, the end of the non-braking side hinge plate 18 away from the intermediate link hinge shaft 7 is rotatably connected to the intermediate hinge nut shaft 9, one end of the intermediate hinge nut shaft 9 is connected to a threaded seat 10, the inner wall of the threaded seat 10 is threadedly connected to a screw 11, and the driving force is provided by the rotation of the screw 11 to push the threaded seat 10 to move its position, and the movement of the threaded seat 10 drives the non-braking side hinge plate 18 to move its position, and after the non-braking side hinge plate 18 moves its position, it pushes the braking side hinge plate 5 to expand and shrink outward.

[0024] The modified braking mechanism adopts a diamond hinge structure as the main body, which is composed of a fulcrum shaft 4, two brake pad mounting plates 6, an intermediate link hinge shaft 7, an intermediate hinge nut shaft 9, a non-braking side hinge plate 8, a bearing seat 12 and a screw 11. One end of the overall mechanism is fixed to the inside of the cabinet 1 by the fulcrum shaft 4, and the other end is installed on the inside of the cabinet through the bearing seat 12. When braking is required, the screw 11 is turned, and the rear fulcrum does not move. The intermediate hinge nut shaft 9 connected to the front non-braking side hinge plate 8 gradually approaches the center position, and the horizontal angle of the overall diamond structure becomes larger. The upper brake pad body 16 and the lower brake pad body 17 on the braking side hinge plate 5 are close to the upper rotating body 2 and the lower rotating body 3, and finally the braking of the upper rotating body 2 and the lower rotating body 3 is achieved. Otherwise, the angle becomes smaller to release the braking of the upper rotating body 2 and the lower rotating body 3.

[0025] A bearing seat 12 is installed on the inner wall of the cabinet 1. The inner wall of the bearing seat 12 is connected to the outer surface of the screw 11. There is also a bearing inside the bearing seat 12. The bearing seat 12 supports the screw 11 through the bearing to reduce friction and facilitate the rotation of the screw 11.

[0026] The outer surface of the fulcrum shaft 4 is connected to a support seat 13 , and the inner wall of the support seat 13 is rotatably connected to one end of the screw rod 11 . The screw rod 11 is supported by the support seat 13 to maintain stability of the screw rod 11 .

[0027] The other end of the screw rod 11 is connected to a hand wheel 14 , and the hand wheel 14 is located outside the cabinet 1 . The hand wheel 14 increases the contact area between the screw rod 11 and the hand, making it easier for the hand to rotate the screw rod 11 .

[0028] The outer surface of the screw 11 is rotatably connected to two positioning brake rings 15, one of which is connected to the outer surface of the cabinet 1, and the other is connected to the outer surface of the bearing seat 12. The positioning brake rings 15 provide support for the screw 11 to maintain the stability of the screw 11 and prevent the screw 11 from moving.

[0029] The outer surface of one of the brake pad mounting plates 6 is mounted with an upper brake pad body 16, and the outer surface of the upper brake pad body 16 is in contact with the outer surface of the upper rotating body 2. The brake pad mounting plate 6 is used to mount the upper brake pad body 16 and maintain the stability of the upper brake pad body 16. The upper brake pad body 16 is in contact with the upper rotating body 2, and friction is generated between the upper brake pad body 16 and the upper rotating body 2. The friction provides resistance to the upper rotating body 2, restricting the upper rotating body 2 from stopping rotation. The outer surface of the other brake pad mounting plate 6 is mounted with a lower brake pad body 17, and the outer surface of the lower brake pad body 17 is in contact with the outer surface of the lower rotating body 3. The functions and effects of the lower brake pad body 17 are the same as those of the upper brake pad body 16, and will not be described in detail here.

[0030] When the present invention is in use: first, the screw 11 is rotated by the hand wheel 14, and the screw 11 pushes the threaded seat 10 to move its position while rotating. The threaded seat 10 drives the non-braking side hinge plate 8 to move its position through the intermediate hinge nut shaft 9. At the same time, the non-braking side hinge plate 8 pushes the braking side hinge plate 5 to expand outward. When the braking side hinge plate 5 expands outward, the upper brake pad body 16 and the lower brake pad body 17 are driven to contact the upper rotating body 2 and the lower rotating body 3 through the brake pad mounting plate 6. Now the upper rotating body 2 and the lower rotating body 3 are braked. When it is necessary to release the brakes on the upper rotating body 2 and the lower rotating body 3, the operation is performed in the same direction.

[0031] The technical principles of the present invention have been described above with reference to specific embodiments. These descriptions are intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific embodiments of the present invention without inventive effort, and such embodiments will fall within the scope of protection of the claims of the present invention.

Claims

1. A novel double-disc brake mechanism for a double-layer centrifuge, comprising a cabinet (1), an upper gyratory body (2) and a lower gyratory body (3), characterized in that: One end of the upper rotating body (2) and the lower rotating body (3) are both rotatably connected to the inner wall of the cabinet (1), the inner wall of the cabinet (1) is connected to a fulcrum shaft (4), the outer surface of the fulcrum shaft (4) is rotatably connected to two braking side hinge plates (5), and the two braking side hinge plates (5) are symmetrical, one side of the two braking side hinge plates (5) is connected to a brake pad mounting plate (6), the ends of the two braking side hinge plates (5) away from the fulcrum shaft (4) are both connected to an intermediate link hinge shaft (7), the outer surface of the intermediate link hinge shaft (7) is rotatably connected to a non-braking side hinge plate (8), the end of the non-braking side hinge plate (8) away from the intermediate link hinge shaft (7) is rotatably connected to an intermediate hinge nut shaft (9), one end of the intermediate hinge nut shaft (9) is connected to a threaded seat (10), and the inner wall of the threaded seat (10) is threadedly connected to a screw (11).

2. A novel double-disc brake mechanism for a double-layer centrifuge according to claim 1, characterized in that: A bearing seat (12) is installed on the inner wall of the cabinet (1), and the inner wall of the bearing seat (12) is connected to the outer surface of the screw (11).

3. The novel double-disc brake mechanism for a double-layer centrifuge according to claim 1, characterized in that: The outer surface of the fulcrum shaft (4) is connected to a support seat (13), and the inner wall of the support seat (13) is rotatably connected to one end of the screw rod (11).

4. A novel double-disc brake mechanism for a double-layer centrifuge according to claim 3, characterized in that: The other end of the screw rod (11) is connected to a hand wheel (14), and the hand wheel (14) is located outside the cabinet (1).

5. The novel double-disc brake mechanism for a double-layer centrifuge according to claim 1, characterized in that: The outer surface of the screw rod (11) is rotatably connected to two positioning brake rings (15), one of which is connected to the outer surface of the cabinet (1), and the other is connected to the outer surface of the bearing seat (12).

6. The novel double-disc brake mechanism for a double-layer centrifuge according to claim 1, characterized in that: An upper brake pad body (16) is mounted on the outer surface of one of the brake pad mounting plates (6), and the outer surface of the upper brake pad body (16) contacts the outer surface of the upper rotating body (2).

7. The novel double-disc brake mechanism for a double-layer centrifuge according to claim 1, characterized in that: A lower brake pad body (17) is mounted on the outer surface of the other brake pad mounting plate (6), and the outer surface of the lower brake pad body (17) is in contact with the outer surface of the lower rotating body (3).

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