CN210769938U

CN210769938U - Split type electromagnetic brake

Info

Publication number: CN210769938U
Application number: CN201921884062.8U
Authority: CN
Inventors: 周章军
Original assignee: Zhuji Qiling Electromechanical Equipment Co ltd
Current assignee: Zhuji Qiling Electromechanical Equipment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-16
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a split type electromagnetic brake, which belongs to the field of electromagnetic brakes and comprises a lower block, wherein a baffle plate and a friction plate are arranged above the lower block, the friction plate is positioned below the baffle plate, a fixed groove is arranged at the middle position inside the baffle plate, a fixed block positioned inside the fixed groove is fixedly arranged at the middle position of the outer surface of the upper end of the friction plate, a clamping groove is arranged at the position of the outer surface of the fixed block close to the lower end, a movable groove is arranged at the position of the inner surface of the fixed groove close to the lower end, a clamping block is slidably connected inside the movable groove, a tension spring is sleeved on the outer surface of the clamping block, the tension spring is fixedly connected with the inner surface of the movable groove, a limit groove is arranged at the outer surface of the lower end of the baffle plate, the limit groove is positioned under the fixed, the service performance is improved.

Description

Split type electromagnetic brake

Technical Field

The utility model relates to an electromagnetic braking ware field, more specifically say, relate to a split type electromagnetic braking ware.

Background

The electromagnetic brake is a connector for transmitting the torque force of the driving side to the driven side, can be freely combined, cut off or braked according to requirements, has the advantages of compact structure, simplicity in operation, sensitivity in response, long service life, reliability in use, easiness in realizing remote control and the like, can be divided into an electromagnetic powder brake and an electromagnetic eddy current brake, and is widely applied to a servo motor and the like in electric facilities.

Compared with the Chinese patent CN201620842111.1, the electromagnetic brake is a split structure and comprises an upper block and a lower block, wherein the lower block comprises an armature, a coil, a spring and a stator core, and the armature is arranged on one side surface of the stator core; the upper block comprises a friction plate, and the friction plate is fixedly connected with an external rotating shaft; one side surface of the friction plate is opposite to the armature, and the armature is combined with or separated from the friction plate under the action of the spring or the coil. The utility model discloses a split type structure is set up electromagnetic braking ware to and the friction disc is direct and outside rotation axis fixed connection, reduces the use of structures such as adjusting screw, wheel hub, column casing, has simplified electromagnetic braking ware's structure, and owing to do not have adjusting screw, wheel hub, column casing restriction, corresponding can increase effectual area of contact between friction disc and the armature, improved braking capability.

However, in the electromagnetic brake disclosed in the above patent, the friction plate and the baffle are integrated, so that it is difficult to replace the friction plate, and the usability of the electromagnetic brake is reduced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a split type electromagnetic braking ware, can convenient to use person dismantle the change to the friction disc, improve its performance.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A split type electromagnetic brake comprises a lower sub-block, a baffle plate and a friction plate are arranged above the lower sub-block, the friction plate is positioned below the baffle plate, the middle position in the baffle plate is provided with a fixed groove, the middle position of the outer surface of the upper end of the friction plate is fixedly provided with a fixed block positioned in the fixed groove, a clamping groove is arranged on the outer surface of the fixed block close to the lower end, a movable groove is arranged on the inner surface of the fixed groove close to the lower end, a clamping block is connected in the movable groove in a sliding manner, and the outer surface of the clamping block is sleeved with an extension spring which is fixedly connected with the inner surface of the movable groove, the outer surface of the lower end of the baffle plate is provided with a limit groove, and the limiting groove is positioned under the fixed groove, the number of the clamping blocks is a plurality, and the clamping blocks are uniformly distributed on the inner surface of the fixed groove and close to the positions of two sides.

Further, the lower block comprises an armature, a coil, a reset spring, a stator core and an adjusting screw, wherein the armature is arranged on one side face of the stator core, a plurality of spring mounting grooves which are uniformly distributed are formed in the stator core, and the reset spring is arranged in each spring mounting groove.

Further, the armature is fixed on the stator core through an adjusting screw, the armature is connected with the adjusting screw in a sliding mode, the adjusting screw penetrates through the armature and the reset spring in sequence, one end of the adjusting screw is limited on the armature, and the other end of the adjusting screw is connected with the stator core through threads.

Further, the return spring is compressed between the stator core and the armature, and the amount of compression of the return spring is adjusted by the axial movement of the adjustment screw.

Furthermore, the fixing block and the fixing groove are L-shaped, and the fixing block can be inserted into the fixing groove through the limiting groove.

Furthermore, the baffle, the friction disc and the inside intermediate position of lower piecemeal all seted up the mounting hole, and it all is located the same axis.

Furthermore, the baffle and the friction plate are in interference fit with an external rotating shaft penetrating through the mounting hole.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model, firstly, the fixed block passes through the limiting groove and is inserted into the fixed groove, the lower half part of the L-shaped fixed block extrudes the extension spring, the extension spring drives the fixture block to enter the movable groove, then the fixed block enters the fixed groove, when the fixed block completely enters the fixed groove, the fixture block is aligned with the clamping groove, and the fixture block enters the clamping groove, the fixed block is preliminarily fixed, then the fixed block is rotated for a certain angle in the fixed groove, the fixed block and the limiting groove are staggered, simultaneously, the fixture blocks on the two sides of the inner surface of the fixed groove are matched with the clamping groove, thereby being convenient for a user to install the friction plate and the baffle together, the fixed block is aligned with the limiting groove by rotating for a certain angle in the fixed groove, the fixed block is pulled out from the fixed groove, the friction plate can be disassembled from, the service performance is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial structural view of the lower block of the present invention;

FIG. 3 is a view of the baffle plate and the friction plate of the present invention;

fig. 4 is a partial structural view of the fixing groove of the present invention.

The reference numbers in the figures illustrate:

1. a baffle plate; 2. dividing into blocks; 3. mounting holes; 4. a friction plate; 5. an armature; 6. a stator core; 7. a coil; 8. a return spring; 9. adjusting the screw; 10. a fixed block; 11. fixing grooves; 12. a movable groove; 13. an extension spring; 14. a clamping block; 15. a card slot; 16. a limiting groove.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1 to 4, a split electromagnetic brake, as shown in fig. 1 and 3, includes a lower sub-block 2, a baffle plate 1 and a friction plate 4 are disposed above the lower sub-block 2, the friction plate 4 is positioned below the baffle plate 1, a fixing groove 11 is arranged at the middle position inside the baffle plate 1, a fixing block 10 positioned inside the fixing groove 11 is fixedly installed at the middle position of the outer surface of the upper end of the friction plate 4, a clamping groove 15 is arranged on the outer surface of the fixing block 10 near the lower end, a movable groove 12 is arranged on the inner surface of the fixing groove 11 near the lower end, a clamping block 14 is connected in the movable groove 12 in a sliding manner, and the outer surface of the clamping block 14 is sleeved with an extension spring 13, the extension spring 13 is fixedly connected with the inner surface of the movable groove 12, the number of the clamping blocks 14 is a plurality, and the clamping blocks are uniformly distributed on the inner surface of the fixing groove 11 close to the two sides;

as shown in fig. 4, a limiting groove 16 is formed on the outer surface of the lower end of the baffle 1, and the limiting groove 16 is located right below the fixing groove 11.

As shown in fig. 2, the lower block 2 includes an armature 5, a coil 7, a return spring 8, a stator core 6 and an adjusting screw 9, the armature 5 is disposed on one side surface of the stator core 6, the stator core 6 is provided with a plurality of spring mounting grooves which are uniformly distributed, and a return spring 8 is disposed in each spring mounting groove for ensuring the normal operation of the device.

As shown in fig. 2, the armature 5 is fixed on the stator core 6 through an adjusting screw 9, the armature 5 is connected with the adjusting screw 9 in a sliding manner, the adjusting screw 9 sequentially penetrates through the armature 5 and the return spring 8, one end of the adjusting screw is limited on the armature 5, and the other end of the adjusting screw is in threaded connection with the stator core 6.

As shown in fig. 2, the return spring 8 is compressed between the stator core 6 and the armature 5, and the amount of compression of the return spring 8 is adjusted by the axial movement of the adjustment screw 9 for ensuring the proper operation of the device.

As shown in fig. 3, the fixing block 10 and the fixing groove 11 are L-shaped, and the fixing block 10 may be inserted into the fixing groove 11 through the limiting groove 16, so that a user may install the friction plate 4 on the baffle plate 1.

As shown in fig. 1, 2 and 3, mounting holes 3 are formed in the middle positions of the baffle plate 1, the friction plate 4 and the lower sub-block 2, and are all located on the same axis to ensure normal operation of the device.

As shown in fig. 1, the baffle plate 1 and the friction plate 4 are in interference fit with an external rotating shaft penetrating in the mounting hole 3, so that the brake is convenient to mount.

The working principle is as follows: firstly, a fixing block 10 penetrates through a limiting groove 16 to be inserted into a fixing groove 11, the lower half part of an L-shaped fixing block 10 extrudes an extension spring 13, the extension spring 13 drives a clamping block 14 to enter a movable groove 12, then the fixing block 10 enters the fixing groove 11, when the fixing block 10 completely enters the fixing groove 11, the clamping block 14 is aligned with a clamping groove 15, the clamping block 14 enters the clamping groove 15, the fixing block 10 is preliminarily fixed, then the fixing block 10 is rotated for a certain angle in the fixing groove 11, the fixing block 10 is staggered with the limiting groove 16, meanwhile, the clamping blocks 14 on two sides of the inner surface of the fixing groove 11 are matched with the clamping groove 15, so that a user can conveniently install a friction plate 4 and a baffle plate 1 together, the fixing block 10 is rotated for a certain angle in the fixing groove 11, the fixing block 10 is aligned with the limiting groove 16, and the fixing block, the friction plate 4 can be detached from the baffle plate 1, a user can detach and replace the friction plate 4 conveniently, the service performance of the friction plate is improved, then the distance between the armature 5 and the stator core 6 is adjusted through axial movement of the adjusting screw 9, the armature 5 is pressed to one side of the friction plate 4 under the pressure of the reset spring 8 under the power-off state of the coil 7, the armature 5 is contacted with the friction plate 4, braking force is generated at the contact surface of the armature 5 and the stator core 6 under the action of the friction force, the braking force is transmitted to the external rotating shaft through the friction plate 4, the external rotating shaft stops rotating, the armature 5 is under the action of electromagnetic attraction force under the power-on state of the coil 7, the elastic force of the reset spring 8 is overcome, the armature 5 moves to one side of the stator core 6 under the guiding action of the adjusting screw 9, the armature 5 is separated from, thereby achieving its braking effect.

The utility model discloses the lower piecemeal 2, armature 5, stator core 6, coil 7, reset spring 8 and adjusting screw 9 that adopt all adopt the utility model provides a background data is given, and cooperate the utility model discloses a description of specification, the affiliated technical field personnel can reach its use to obtain corresponding result of use, the event does not have the one-to-one disclosure.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A split electromagnetic brake, comprising a lower segment (2), characterized in that: a baffle plate (1) and a friction plate (4) are arranged above the lower sub-block (2), the friction plate (4) is positioned below the baffle plate (1), a fixed groove (11) is formed in the middle of the inner portion of the baffle plate (1), a fixed block (10) positioned in the fixed groove (11) is fixedly arranged in the middle of the outer surface of the upper end of the friction plate (4), a clamping groove (15) is formed in the position, close to the lower end, of the outer surface of the fixed block (10), a movable groove (12) is formed in the position, close to the lower end, of the inner surface of the fixed groove (11), a clamping block (14) is connected to the inner portion of the movable groove (12) in a sliding mode, a tension spring (13) is sleeved on the outer surface of the clamping block (14), the tension spring (13) is fixedly connected with the inner surface of, and the limiting groove (16) is positioned under the fixing groove (11), the number of the clamping blocks (14) is a plurality, and the clamping blocks are uniformly distributed on the inner surface of the fixing groove (11) close to the positions of two sides.

2. The split electromagnetic brake of claim 1, wherein: lower piecemeal (2) are including armature (5), coil (7), reset spring (8), stator core (6) and adjusting screw (9), armature (5) set up on a side of stator core (6), be provided with a plurality of evenly distributed's spring mounting groove on stator core (6), all be provided with one reset spring (8) in every spring mounting groove.

3. The split electromagnetic brake of claim 2, wherein: armature (5) are fixed on stator core (6) through adjusting screw (9), armature (5) and adjusting screw (9) sliding connection, adjusting screw (9) pass armature (5) and reset spring (8) in proper order, and its one end is spacing on armature (5), and the other end and stator core (6) threaded connection.

4. The split electromagnetic brake of claim 2, wherein: the return spring (8) is compressed between the stator core (6) and the armature (5), and the amount of compression of the return spring (8) is adjusted by axial movement of an adjustment screw (9).

5. The split electromagnetic brake of claim 1, wherein: the fixing block (10) and the fixing groove (11) are L-shaped, and the fixing block (10) can be inserted into the fixing groove (11) through the limiting groove (16).

6. The split electromagnetic brake of claim 1, wherein: the baffle (1), the friction plate (4) and the middle position of the inner part of the lower sub-block (2) are all provided with mounting holes (3) which are all located on the same axis.

7. The split electromagnetic brake of claim 1, wherein: the baffle (1) and the friction plate (4) are in interference fit with an external rotating shaft penetrating through the mounting hole (3).