Multi-piece brake

Abstract

The utility model relates to the technical field of brakes, and particularly discloses a multi-piece brake which comprises a magnet yoke, an armature and a flange, a rotor unit and a brake unit are arranged between the armature and the flange, and the rotor unit is arranged on the inner side of the brake unit; the rotor unit comprises a ring piece and a mounting disc, and a series connection piece is connected between the ring piece and the mounting disc; the brake unit comprises at least two brake pads and a guide cylinder, the two ends of the guide cylinder are connected with the magnet yoke and the flange respectively, and the guide cylinder is connected with the brake pads in series, so that the brake pads linearly slide along the guide cylinder; and the outer edge of the ring sheet is clamped and inserted between the two brake sheets. The utility model has the advantages of lighter and thinner size, better braking effect and smaller occupied space for installation.

Description

Technical Field

[0001] The utility model relates to the technical field of brakes, in particular to a multi-disc brake. Background Art

[0002] An electromagnetic brake is a device that converts electromagnetic energy into mechanical energy, thereby achieving a braking function. It consists of components such as a yoke and an armature. When the electromagnetic brake coil is energized, a magnetic field is generated, which attracts the armature and other moving parts. The movement of the armature causes the brake shoe or pad to disengage from the brake wheel, allowing the motor or other moving equipment to operate normally.

[0003] The armature and rotor of a conventional electromagnetic brake are axially overlapped, resulting in a thicker brake and a larger installation space, making it difficult to use in some narrow spaces. During the braking process, friction braking can be performed on the end faces of the brake disc on both sides, resulting in a smaller braking area and a longer braking time. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-disc brake with lighter and thinner size, better braking effect and smaller installation space.

[0005] The utility model is realized through the following technical solutions: a multi-disc brake, comprising a yoke, an armature and a flange, a rotor unit and a brake unit being provided between the armature and the flange, and the rotor unit being provided on the inner side of the brake unit; the rotor unit comprising an annular plate and a mounting disk, a series member being connected between the annular plate and the mounting disk; the brake unit comprising at least two brake pads and a guide cylinder, the two ends of the guide cylinder being respectively connected to the yoke and the flange, and the guide cylinder being connected in series with the brake pad so that the brake pad slides linearly along the guide cylinder; the outer edge of the annular plate is clamped between the two brake pads.

[0006] Furthermore, the series connection member is provided with a plurality of slots, and the inner side of the ring piece is provided with a bayonet adapted to the slots.

[0007] Furthermore, a friction plate for contacting the ring plate is bonded to at least one end surface of the brake pad.

[0008] Furthermore, the brake unit is provided with at least two groups evenly spaced around the circumference of the brake unit.

[0009] Furthermore, it also includes an adjusting screw, which passes through the flange and is threadedly connected thereto, and the front end of the adjusting screw abuts against one end surface of the armature.

[0010] Furthermore, the brake pad is a crescent-shaped structure.

[0011] Furthermore, a protective collar is provided between the yoke and the flange to seal the gap.

[0012] Furthermore, a first mounting ring groove is provided on the circumferential side of the yoke, a second mounting ring groove is provided on the circumferential side of the flange, and both ends of the protective collar are inserted into the first mounting ring groove and the second mounting ring groove.

[0013] The technical solution of the present invention has at least the following advantages and beneficial effects: the present invention achieves an embedded effect by evenly arranging multiple brake units on the circumferential side of the rotor unit, thereby reducing the axial installation size of the brake; in addition, the multiple brake pads of the brake unit and the multiple ring plates of the rotor unit are stacked alternately, so that when braking, the multiple brake pads are close to and squeeze the ring plates, which has a larger braking area and braking effect, and greatly shortens the reaction time required for braking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric view of the multi-disc brake in the present invention;

[0015] Figure 2 This is a top view of the rear end of the multi-disc brake of the utility model;

[0016] Figure 3 for Figure 2 Schematic cross-sectional view at BB in FIG;

[0017] Figure 4 Schematic diagram of the connection structure between the brake unit and the rotor unit in the present invention;

[0018] Figure 5 This is a schematic diagram of the brake pad and ring plate clamping brake in the utility model.

[0019] Figure markings: 1-yoke, 11-first mounting ring groove, 2-armature, 3-flange, 31-second mounting ring groove, 4-brake unit, 41-guide cylinder, 42-brake pad, 43-friction plate, 5-rotor unit, 51-mounting disk, 52-ring plate, 521-bayonet, 53-serial part, 531-slot, 6-adjusting screw, 7-protective collar. DETAILED DESCRIPTION

[0020] The following is a detailed description of the embodiments with reference to the accompanying drawings.

[0021] Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings Detailed implementation of the drawings

[0022] Specific implementation of the accompanying drawings Specific implementation of the accompanying drawings

[0023] The following is further described in conjunction with specific embodiments. Figure 1-Figure 5 As shown, this embodiment is a multi-disc brake, comprising a yoke 1, an armature 2 and a flange 3, a rotor unit 5 and a brake unit 4 are provided between the armature 2 and the flange 3, and the rotor unit 5 is provided on the inner side of the brake unit 4; the rotor unit 5 comprises an annular plate 52 and a mounting plate 51, and a series connection 53 is provided between the annular plate 52 and the mounting plate 51; the brake unit 4 comprises at least two brake pads 42 and a guide cylinder 41, the two ends of the guide cylinder 41 are respectively connected to the yoke 1 and the flange 3, and the guide cylinder 41 is connected in series with the brake pad 42, so that the brake pad 42 slides linearly along the guide cylinder 41; the outer edge of the annular plate 52 is clamped between the two systems. Between the moving plates 42; specifically, compared with the existing conventional brakes, the rotor unit 5 is installed on the inner side of the brake unit 4, reducing its axial installation size, and the rotor unit 5 is connected to the motor shaft and rotates synchronously, and the rotating plates are provided with multiple brake plates 42 that are staggered with each other. When the yoke 1 loses power, its brake spring will push the armature 2 to move toward the side of the flange 3, and the armature 2 will be displaced along the guide cylinder 41 to squeeze multiple brake plates 42. The annular plate 52 located between the two brake plates 42 is subjected to extrusion braking, and the two side surfaces of each annular plate 52 will be frictionally braked, and its braking area is large, which shortens the braking time and improves the braking effect.

[0024] Reference Figure 4 As shown, in this embodiment, a plurality of slots 531 are provided on the serial member 53, and a bayonet 521 adapted to the slots 531 is provided on the inner side of the ring piece 52; specifically, by evenly arranging a plurality of bayonet 521 on the inner side of the ring piece 52 to cooperate with the slots 531 on the serial member 53, the axial spacing between two adjacent ring pieces 52 is ensured, and the brake pad 42 has sufficient movement clearance during the braking and releasing process of the brake.

[0025] Reference Figure 4 and Figure 5 As shown, in order to improve the braking effect of the brake, a friction plate 43 for contacting the ring plate 52 is bonded to at least one end surface of the brake pad 42. The friction plate 43 is made of a material with a high friction coefficient, such as copper alloy and aluminum alloy.

[0026] To further improve the braking contact area and the uniformity of the braking force, the braking unit 4 is provided with at least two groups of brakes evenly spaced around the circumference of the braking unit 4 .

[0027] like Figure 1 As shown, this embodiment also includes an adjusting screw 6, which passes through the flange 3 and is threadedly connected thereto, and the front end of the adjusting screw 6 abuts against one end face of the armature 2; specifically, the armature 2 is pressed against the end of the yoke 1 by the adjusting screw 6, and the armature 2 squeezes the brake spring, thereby achieving the effect of adjusting the braking gap between the end faces of the yoke 1 and the end faces of the armature 2.

[0028] like Figure 5 As shown, the brake pad 42 in this embodiment is a crescent-shaped structure, and its outer curvature is adapted to coincide with the edge of the brake, which is more aesthetically pleasing.

[0029] like Figure 3 As shown, in order to prevent dust and water from contacting the brake pad 42 and affecting its braking effect, a protective collar 7 is provided between the yoke 1 and the flange 3 to seal the gap.

[0030] like Figure 3 As shown, a first mounting ring groove 11 is provided on the circumferential side of the yoke 1, and a second mounting ring groove 31 is provided on the circumferential side of the flange 3, and both ends of the protective collar 7 are inserted into the first mounting ring groove 11 and the second mounting ring groove 31; specifically, the protective collar 7 may have a certain elasticity, so that when it is sleeved on the yoke 1 and the flange 3, its own elastic force contracts and inserts it into the first mounting ring groove 11 and the second mounting ring groove 31 and is not easy to fall off and move out.

[0031] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A multi-disc brake comprising a yoke (1), an armature (2) and a flange (3), characterized in that: A rotor unit (5) and a brake unit (4) are provided between the armature (2) and the flange (3), and the rotor unit (5) is provided on the inner side of the brake unit (4); The rotor unit (5) comprises an annular plate (52) and a mounting plate (51), wherein a series connection member (53) is connected between the annular plate (52) and the mounting plate (51); The brake unit (4) includes at least two brake pads (42) and a guide cylinder (41), the two ends of the guide cylinder (41) are respectively connected to the magnetic yoke (1) and the flange (3), and the guide cylinder (41) and the brake pad (42) are connected in series, so that the brake pad (42) slides linearly along the guide cylinder (41); The outer edge of the ring plate (52) is sandwiched between the two brake plates (42).

2. The multi-disc brake according to claim 1, characterized in that: The serial connection member (53) is provided with a plurality of slots (531), and the inner side of the ring piece (52) is provided with a bayonet (521) adapted to the slots (531).

3. The multi-disc brake according to claim 1, wherein: A friction plate (43) for contacting the ring plate (52) is bonded to at least one end surface of the brake plate (42).

4. The multi-disc brake according to claim 1, characterized in that: The brake unit (4) is provided with at least two groups of brake units evenly spaced around the circumference of the brake unit (4).

5. The multi-disc brake according to claim 1, characterized in that: It also includes an adjusting screw (6), which passes through the flange (3) and is threadedly connected thereto, and the front end of the adjusting screw (6) abuts against one end face of the armature (2).

6. The multi-disc brake according to claim 1, characterized in that: The brake pad (42) is a crescent-shaped structure.

7. The multi-disc brake according to claim 1, characterized in that: A protective collar (7) is provided between the yoke (1) and the flange (3) to seal the gap.

8. The multi-disc brake according to claim 7, characterized in that: A first mounting ring groove (11) is provided on the circumferential side of the yoke (1), a second mounting ring groove (31) is provided on the circumferential side of the flange (3), and both ends of the protective collar (7) are inserted into the first mounting ring groove (11) and the second mounting ring groove (31).

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