A non-excitation brake for robot joints

Abstract

The present invention relates to the technical field of non-excitation brakes, and in particular provides a non-excitation brake for robot joints. The non-excitation brake for robot joints includes a housing component, a connection component and a brake component. The present invention can utilize the brake component to perform multi-point clamping on the connection component, thereby increasing the contact area of ​​the brake surface, improving the tightening effect of the brake, making the braking performance stronger, being able to withstand a larger load and a higher working pressure, distributing the friction more evenly, reducing single-point wear, and thus extending the service life of the brake system. At the same time, cooling air is quickly introduced and combined with a heat sink to quickly and effectively dissipate heat for the connection component and the brake component, preventing heat accumulation, keeping the equipment within a reasonable operating temperature range, and preventing performance degradation or failure caused by overheating, thereby improving the performance and stability of the system and enhancing the service life and safety of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of non-excitation brakes, and in particular provides a non-excitation brake for a robot joint. Background Art

[0002] The driving and braking system of a robot joint refers to a system used to control the movement of the robot joint, which includes a driver and a brake. The driver is usually a component used to provide power and control the movement of the robot joint, and is commonly an electric motor, hydraulic motor or pneumatic motor. The brake is a component used to control the stopping and holding position of the robot joint to ensure that the robot can stop and hold a specific position when needed. The non-excitation brake is a brake commonly used in robot joints. It has the characteristics of fast response speed, rapid braking or release, low energy consumption, and helps to save energy and improve the efficiency of the robot system.

[0003] However, in actual use, due to the need for frequent adjustment and braking operations of the robot joints, it is very easy for the non-excited brake to accumulate heat and cause the entire device to overheat, resulting in easy brake failure and increased wear. At the same time, ordinary non-excited brakes have low braking pressure capacity. When the robot is required to pick up objects with heavy loads, it is easy for the non-excited brake to be unable to withstand excessive braking force, resulting in a decrease in braking performance. Summary of the invention

[0004] Based on this, it is necessary to provide a non-excitation brake for a robot joint to solve at least one technical problem in the background technology.

[0005] A non-excitation brake for a robot joint comprises a housing component, a connecting component and a braking component, wherein the housing component comprises a fixed mounting housing, a heat dissipation plate, a stator housing and a heat dissipation housing, a heat dissipation mounting groove is recessed in the middle of the outer side of the fixed mounting housing, a supporting sliding cavity is recessed in the middle of the heat dissipation mounting groove, a first rotating groove is recessed in the middle of the supporting sliding cavity, the heat dissipation plate is installed in the heat dissipation mounting groove, the outer side of the stator housing is installed on the inner side of the fixed mounting housing, an electromagnetic coil is provided on the outer wall of the stator housing, a second rotating groove is recessed in the middle of the outer side of the stator housing, the second rotating groove is arranged opposite to the first rotating groove, the outer side of the heat dissipation housing is installed on the inner side of the stator housing, a third rotating groove is recessed in the middle of the outer side of the heat dissipation housing, the third rotating groove is arranged opposite to the second rotating groove, the connecting component is rotatably installed in the first rotating groove, the second rotating groove and the third rotating groove, and the braking component is slidably installed in the supporting sliding cavity, the first rotating groove and the second rotating groove.

[0006] As a further improvement of the present invention, an annular cavity is recessed in the middle of the inner side of the fixed installation shell, the annular cavity is connected to the second rotating groove, and a plurality of first spring mounting holes are recessed in the circumferential direction on the outer side of the annular cavity, a connecting sliding hole is recessed in the middle of each first spring mounting hole, and a spring is arranged on the outer edge of each first spring mounting hole.

[0007] As a further improvement of the present invention, a brake mounting ring is convexly provided on the middle part of the inner wall of the second rotating groove, and a plurality of first brake connecting sliding holes are concavely provided on the outer side of the brake mounting ring along the circumferential direction.

[0008] As a further improvement of the present invention, a plurality of brake slide holes are recessed along the circumferential direction on the outer edge of the side wall of the heat dissipation plate, and the plurality of brake slide holes are all connected to the abutting sliding cavity; a plurality of second brake connection slide holes are recessed along the circumferential direction on the outer side of the heat dissipation shell, and the plurality of second brake connection slide holes are respectively arranged opposite to the plurality of first brake connection slide holes; a plurality of vertical slide grooves are recessed on the outer side of the inner wall of the third rotation groove, and the plurality of vertical slide grooves are respectively connected to the plurality of second brake connection slide holes; a sliding vertical rod is slidingly arranged in each vertical slide groove, an arc-shaped brake pad is arranged at the bottom end of the sliding vertical rod, a restoring spring is arranged between the top surface of the arc-shaped brake pad and the inner wall of the third rotation groove, an inclined trigger surface is recessed on the outer side of the top end of the sliding vertical rod, two rotating annular grooves are recessed on the inner outer edge of the heat dissipation shell, a plurality of arc-shaped ventilation holes are recessed along the circumferential direction on the inner outer edge of the heat dissipation shell, and the plurality of arc-shaped ventilation holes are all connected to the third rotation groove.

[0009] As a further improvement of the present invention, the connecting assembly includes an inner rotating connector and an outer rotating connector, a first shaft mounting hole is recessed in the middle of the side wall of the inner rotating connector, a first bearing is protruded in the middle of the outer wall of the inner rotating connector, the outer wall of the first bearing is installed on the inner side of the inner wall of the third rotating groove, and the inner side of the outer rotating connector is installed on the outer side of the inner rotating connector.

[0010] As a further improvement of the present invention, a connecting plate is protruded on the inner side of the outer wall of the inner rotating connector, two annular rails are protruded on the outer edge of the outer side of the connecting plate, the two annular rails are respectively installed in two rotating annular grooves, an air induced air plate is protruded on the inner side of the outer wall of the connecting plate, a plurality of air induced air holes are recessed on the side wall of the air induced air plate along the circumferential direction, and a plurality of air induced air blades are protruded on the outer wall of the air induced air plate along the circumferential direction.

[0011] As a further improvement of the present invention, a second shaft mounting hole is recessed in the middle of the inner side of the external rotating connector, the second shaft mounting hole is arranged opposite to the first shaft mounting hole, an inclined braking annular groove is recessed on the outer side of the inner wall of the second shaft mounting hole, a second bearing is disposed on the outer side of the outer wall of the external rotating connector, the outer wall of the second bearing is installed in the middle of the inner wall of the first rotating groove, a braking ring is protruded on the inner side of the outer wall of the external rotating connector, and the braking ring is located in the second rotating groove, a plurality of connecting cooling grooves are recessed on the outer wall of the braking ring along the circumferential direction, and a plurality of braking extrusion plates are protruded on the outer wall of the braking ring along the length direction.

[0012] As a further improvement of the present invention, the brake assembly includes an outer brake pad, multiple outer brake slides, a magnetic brake ring and an inner brake element. The outer brake pad is slidably installed in the abutting sliding cavity. A brake protrusion is convexly provided on the middle part of the inner side of the outer brake pad, and an inclined brake abutting surface is concavely provided on the inner outer edge of the brake protrusion. The brake abutting surface abuts on the brake annular groove. Multiple brake mounting holes are concavely provided on the outer edge of the side wall of the outer brake pad along the circumferential direction. The multiple brake mounting holes are respectively arranged opposite to the multiple brake sliding holes. The middle parts of the multiple outer brake slides are respectively installed in the multiple brake mounting holes, and the outer ends of the multiple outer brake slides are respectively slidably installed in the multiple brake sliding holes. The magnetic brake ring is slidably installed in the annular cavity, and the internal brake element is installed on the inner side of the magnetic brake ring.

[0013] As a further improvement of the present invention, a preset groove is recessed on the outer side of the magnetic brake ring, and a plurality of second spring mounting holes are recessed in the preset groove along the circumferential direction. The inner ends of the plurality of outer brake slides are respectively installed in the middle of the plurality of second spring mounting holes, and the outer edges of the plurality of second spring mounting holes are respectively connected to the inner ends of the plurality of springs, and a mounting ring is protruded from the middle of the inner side of the magnetic brake ring.

[0014] As a further improvement of the present invention, the internal braking element includes multiple annular brake pads and multiple sliding mounting columns, wherein the outer side of one annular brake pad is mounted on the inner side of the mounting ring, the outer ends of the multiple sliding mounting columns are respectively mounted on the outer wall of the annular brake pad along the circumferential direction, and the remaining multiple annular brake pads are mounted on the middle parts of the multiple sliding mounting columns along the length direction, and the outer ends of the multiple sliding mounting columns are respectively slidably mounted in the multiple first braking connection sliding holes, the inner ends of the multiple sliding mounting columns are respectively slidably mounted in the multiple second braking connection sliding holes, and the inner end of the outer wall of each sliding mounting column is recessed with an inclined trigger annular surface, and the trigger annular surface is abutted against the trigger surface.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. The present invention can utilize the brake assembly to perform multi-point clamping on the connecting assembly, thereby increasing the contact area of ​​the brake surface, improving the braking fastening effect, making the braking performance stronger, being able to withstand a larger load and a higher working pressure, distributing the friction more evenly, reducing single-point wear, and thus extending the service life of the brake system. At the same time, it effectively reduces the risk of insufficient or unreliable braking due to failure of a single brake element, and ensures a close fit between the brake pad and the connector, thereby enhancing the friction during braking, improving the braking efficiency and response speed, and effectively improving the stability, reliability and performance of the brake system.

[0017] 2. The present invention can quickly introduce cooling air and combine with heat dissipation plates to quickly and effectively dissipate heat from connection components and brake components, thereby preventing heat accumulation, keeping the equipment within a reasonable operating temperature range, and preventing performance degradation or failure caused by overheating, thereby improving the performance and stability of the system and enhancing the service life and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a three-dimensional schematic diagram from one end perspective of an embodiment of the present invention.

[0019] Figure 2 It is a three-dimensional schematic diagram from another end perspective of an embodiment of the present invention.

[0020] Figure 3 FIG. 4 is an internal schematic diagram of an embodiment of the present invention.

[0021] Figure 4 FIG. 4 is a schematic diagram of the interior of a housing assembly according to an embodiment of the present invention.

[0022] Figure 5 FIG. 4 is an internal schematic diagram of a connection component in an embodiment of the present invention.

[0023] Figure 6 FIG. 1 is a schematic diagram of the interior of a brake assembly according to an embodiment of the present invention.

[0024] In the figure:

[0025] 10. Shell assembly; 11. Fixed mounting shell; 111. Heat dissipation mounting groove; 112. Abutting sliding cavity; 113. First rotating groove; 114. Annular cavity; 115. First spring mounting hole; 116. Connecting sliding hole; 117. Spring; 12. Heat dissipation plate; 121. Braking sliding hole; 13. Stator shell; 131. Second rotating groove; 132. Braking mounting ring; 133. First braking connecting sliding hole; 14. Heat dissipation shell; 141. Third rotating groove; 142. Second braking connecting sliding hole; 143. Vertical sliding groove; 144. Sliding vertical rod; 145. Arc brake pad; 146. Trigger surface; 147. Rotating annular groove; 148. Arc ventilation hole; 20. Connecting assembly; 21. Internal rotating connector; 211. First A shaft mounting hole; 212, a first bearing; 213, a connecting plate; 214, an annular rail; 215, an air induced plate; 216, an air induced hole; 217, an air induced blade; 22, an external rotating connector; 221, a second shaft mounting hole; 222, a brake annular groove; 223, a second bearing; 224, a brake ring; 225, a connecting cooling groove; 226, a brake extrusion plate; 30, a brake assembly; 31, an external brake pad; 311, a brake mounting hole; 312, a brake protrusion; 313, a brake abutment surface; 32, an external brake slide column; 33, a magnetic brake ring; 331, a preset groove; 332, a second spring mounting hole; 333, a mounting ring; 34, an internal brake element; 341, an annular brake pad; 342, a sliding mounting column; 343, a trigger annular surface. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0027] In the description of the present invention, it should be noted that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0029] See also Figures 1 to 6 A non-excitation brake for a robot joint includes a housing component 10, a connection component 20 and a brake component 30. The housing component 10 includes a fixed housing 11, a heat sink 12, a stator housing 13 and a heat sink 14. A heat sink installation groove 111 is recessed in the middle of the outer side of the fixed housing 11. A supporting sliding cavity 112 is recessed in the middle of the heat sink 111. A first rotation groove 113 is recessed in the middle of the supporting sliding cavity 112. The heat sink 12 is installed in the heat sink installation groove 111. The outer side of the stator housing 13 is installed on the inner side of the fixed housing 11. The outer wall of the stator housing 13 An electromagnetic coil is provided, a second rotating groove 131 is recessed in the middle of the outer side of the stator housing 13, the second rotating groove 131 is arranged opposite to the first rotating groove 113, the outer side of the heat dissipation housing 14 is installed on the inner side of the stator housing 13, a third rotating groove 141 is recessed in the middle of the outer side of the heat dissipation housing 14, the third rotating groove 141 is arranged opposite to the second rotating groove 131, the connecting component 20 is rotatably installed in the first rotating groove 113, the second rotating groove 131 and the third rotating groove 141, and the brake component 30 is slidably installed in the abutting sliding cavity 112, the first rotating groove 113 and the second rotating groove 131.

[0030] An annular cavity 114 is recessed in the middle of the inner side of the fixed installation shell 11, and the annular cavity 114 is connected to the second rotating groove 131. A plurality of first spring mounting holes 115 are recessed along the circumferential direction on the outer side of the annular cavity 114, and a connecting sliding hole 116 is recessed in the middle of each first spring mounting hole 115. A spring 117 is arranged on the outer edge of each first spring mounting hole 115.

[0031] A brake mounting ring 132 is convexly disposed at the middle of the inner wall of the second rotating groove 131 , and a plurality of first brake connecting sliding holes 133 are concavely disposed at the outer side of the brake mounting ring 132 along the circumferential direction.

[0032] The outer edge of the side wall of the heat dissipation plate 12 is concavely provided with a plurality of brake sliding holes 121 along the circumferential direction, and the plurality of brake sliding holes 121 are all connected to the abutting sliding cavity 112. The outer side of the heat dissipation shell 14 is concavely provided with a plurality of second brake connecting sliding holes 142 along the circumferential direction, and the plurality of second brake connecting sliding holes 142 are respectively arranged opposite to the plurality of first brake connecting sliding holes 133. The outer side of the inner wall of the third rotating groove 141 is concavely provided with a plurality of vertical sliding grooves 143, and the plurality of vertical sliding grooves 143 are respectively connected to the plurality of second brake connecting sliding holes 142. Each vertical sliding groove 143 is connected to the plurality of second brake connecting sliding holes 142. A sliding vertical rod 144 is slidably provided in the slide groove 143, an arc-shaped brake pad 145 is provided at the bottom end of the sliding vertical rod 144, a restoring spring is provided between the top surface of the arc-shaped brake pad 145 and the inner wall of the third rotating groove 141, an inclined trigger surface 146 is recessed on the outer side of the top end of the sliding vertical rod 144, two rotating annular grooves 147 are recessed on the inner outer edge of the heat dissipation shell 14, and a plurality of arc-shaped ventilation holes 148 are recessed along the circumferential direction on the inner outer edge of the heat dissipation shell 14, and the plurality of arc-shaped ventilation holes 148 are all connected to the third rotating groove 141.

[0033] The connecting assembly 20 includes an inner rotating connector 21 and an outer rotating connector 22. A first shaft mounting hole 211 is recessed in the middle of the side wall of the inner rotating connector 21, and a first bearing 212 is protruded in the middle of the outer wall of the inner rotating connector 21. The outer wall of the first bearing 212 is installed on the inner side of the inner wall of the third rotating groove 141, and the inner side of the outer rotating connector 22 is installed on the outer side of the inner rotating connector 21.

[0034] A connecting plate 213 is protruded on the inner side of the outer wall of the inner rotating connector 21, and two annular rails 214 are protruded on the outer edge of the outer side of the connecting plate 213. The two annular rails 214 are respectively installed in two rotating annular grooves 147, and an air induced draft plate 215 is protruded on the inner side of the outer wall of the connecting plate 213. A plurality of air induced draft holes 216 are recessed on the side wall of the air induced draft plate 215 along the circumferential direction, and a plurality of air induced draft blades 217 are protruded on the outer wall of the air induced draft plate 215 along the circumferential direction.

[0035] A second shaft mounting hole 221 is recessed in the middle of the inner side of the outer rotating connector 22, and the second shaft mounting hole 221 is arranged opposite to the first shaft mounting hole 211. An inclined braking annular groove 222 is recessed on the outer side of the inner wall of the second shaft mounting hole 221. A second bearing 223 is arranged on the outer side of the outer wall of the outer rotating connector 22, and the outer wall of the second bearing 223 is installed in the middle of the inner wall of the first rotating groove 113. A braking ring 224 is convexly provided on the inner side of the outer wall of the outer rotating connector 22, and the brake ring 224 is located in the second rotating groove 131. A plurality of connecting cooling grooves 225 are recessed on the outer wall of the brake ring 224 along the circumferential direction, and a plurality of brake extrusion plates 226 are convexly provided on the outer wall of the brake ring 224 along the length direction.

[0036] The brake assembly 30 includes an outer brake pad 31, multiple outer brake slides 32, a magnetic brake ring 33 and an inner brake element 34. The outer brake pad 31 is slidably installed in the abutting sliding cavity 112. A brake protrusion 312 is convexly provided on the middle part of the inner side of the outer brake pad 31. An inclined brake abutting surface 313 is recessed on the inner outer edge of the brake protrusion 312. The brake abutting surface 313 abuts on the brake annular groove 222. A plurality of brake mounting holes 311 are recessed along the circumferential direction on the outer edge of the side wall of the outer brake pad 31. The plurality of brake mounting holes 311 are respectively arranged opposite to the plurality of brake sliding holes 121. The middle parts of the plurality of outer brake slides 32 are respectively installed in the plurality of brake mounting holes 311, and the outer ends of the plurality of outer brake slides 32 are respectively slidably installed in the plurality of brake sliding holes 121. The magnetic brake ring 33 is slidably installed in the annular cavity 114. The inner brake element 34 is installed on the inner side of the magnetic brake ring 33.

[0037] A preset groove 331 is recessed on the outer side of the magnetic brake ring 33, and a plurality of second spring mounting holes 332 are recessed in the preset groove 331 along the circumferential direction. The inner ends of the plurality of outer brake slide columns 32 are respectively installed in the middle of the plurality of second spring mounting holes 332, and the outer edges of the plurality of second spring mounting holes 332 are respectively connected to the inner ends of the plurality of springs 117, and a mounting ring 333 is convexly provided on the middle part of the inner side of the magnetic brake ring 33.

[0038] The inner brake element 34 includes multiple annular brake pads 341 and multiple sliding mounting columns 342, wherein the outer side of one annular brake pad 341 is mounted on the inner side of the mounting ring 333, the outer ends of the multiple sliding mounting columns 342 are respectively mounted on the outer wall of the annular brake pad 341 along the circumferential direction, and the remaining multiple annular brake pads 341 are mounted on the middle part of the multiple sliding mounting columns 342 along the length direction, and the outer ends of the multiple sliding mounting columns 342 are respectively slidably mounted in the multiple first braking connection sliding holes 133, the inner ends of the multiple sliding mounting columns 342 are respectively slidably mounted in the multiple second braking connection sliding holes 142, and the inner end of the outer wall of each sliding mounting column 342 is recessed with an inclined trigger annular surface 343, and the trigger annular surface 343 is abutted against the trigger surface 146.

[0039] For example, in one embodiment: one end of the motor shaft is passed through the first shaft mounting hole 211 and installed in the second shaft mounting hole 221. When the electromagnetic coil on the stator housing 13 is in an off-state, that is, when the motor shaft needs to be braked, the magnetism of the electromagnetic coil disappears, so that the magnetic brake ring 33 will move toward the side of the connecting disk 213 under the elastic force of multiple springs 117, so that the multiple outer brake slides 32 will follow the movement, so that the outer brake pads 31 follow the movement, so that the brake protrusions 312 follow the movement, so that the brake abutment surface 313 abuts on the brake annular groove 222 to clamp and brake the inner rotating connector 21. At the same time, the magnetic brake ring 33 moves toward the side of the connecting disk 213, which will cause the inner brake element 34 to follow the movement, so that the inner sides of multiple annular brake pads 341 fit and are clamped on the multiple The outer side of the brake extrusion plate 226 is clamped and braked to the external rotating connector 22. At the same time, when the inner brake element 34 moves toward the side of the connecting disk 213, the multiple sliding mounting columns 342 will follow and move inward along the multiple second brake connecting slide holes 142. Since the trigger annular surface 343 is abutted against the trigger surface 146, the multiple sliding vertical rods 144 will move along the multiple vertical slide grooves 143 toward the center of the third rotating groove 141, so that the multiple arc-shaped brake plates 145 will follow the movement, so that the inner wall of the arc-shaped brake plate 145 fits and squeezes the outer wall of the inner rotating connector 21, and the inner rotating connector 21 is further fitted and tightened, and then the inner rotating connector 21 and the outer rotating connector 22 are clamped and tightened at multiple points, thereby increasing the tightening and fitting area, ensuring the braking performance, and ensuring the stability under braking conditions.

[0040] For example, in one embodiment: when the electromagnetic coil is energized to generate magnetism, the magnetic brake ring 33 will move outward along the abutting sliding cavity 112, so that the brake protrusion 312 will be separated from the outer rotating connector 22, and at the same time, the inner brake element 34 will follow the movement, so that a gap will be generated between the multiple annular brake pads 341 and the multiple brake extrusion pads 226, and at the same time, the multiple sliding mounting columns 342 will follow the movement, so that the sliding mounting columns 342 will no longer abut the sliding vertical rod 144, so that the sliding vertical rod 144 will move upward under the action of the restoring spring, so that the arc brake pad 145 will follow the movement, and the inner rotating connector 21 will no longer be braked, so that the inner rotating connector 21 and the outer rotating connector 22 will follow the motor The shaft rotates, causing the induced draft plate 215 to rotate accordingly, causing the multiple induced draft blades 217 to rotate accordingly, and suction is performed to draw the external cooling gas into the multiple arc-shaped ventilation holes 148, and enter the third rotating groove 141 through the arc-shaped ventilation holes 148, and then flow into the multiple connected cooling grooves 225 to quickly cool the multiple annular brake pads 341 and the multiple arc-shaped brake pads 145. At the same time, the movement of the magnetic brake ring 33 will cause the outer brake pad 31 to move accordingly, so that the outer side of the outer brake pad 31 will abut against the inner side of the heat sink 12, quickly taking away the heat generated by the outer brake pad 31 during braking, and then quickly dissipating the heat during braking to prevent heat accumulation.

[0041] Installation process: install the heat sink 12 in the heat dissipation installation groove 111, install the outer side of the stator housing 13 on the inner side of the fixed installation housing 11, install the outer side of the heat dissipation housing 14 on the inner side of the stator housing 13, install the outer wall of the first bearing 212 on the inner side of the inner wall of the third rotation groove 141, install the inner side of the outer rotation connector 22 on the outer side of the inner rotation connector 21, install the outer wall of the second bearing 223 on the middle part of the inner wall of the first rotation groove 113, slide the outer brake pad 31 in the abutting sliding cavity 112, and install the middle parts of the multiple outer brake slide posts 32 in the multiple brake installation holes 311 respectively, and slide the outer ends of the multiple outer brake slide posts 32 in the multiple The magnetic brake ring 33 is slidably installed in a brake slide hole 121, and the outer side of one of the annular brake pads 341 is installed on the inner side of the mounting ring 333. The outer ends of multiple sliding mounting columns 342 are respectively installed on the outer wall of the annular brake pad 341 along the circumferential direction, and the remaining multiple annular brake pads 341 are installed on the middle part of multiple sliding mounting columns 342 along the length direction. The outer ends of multiple sliding mounting columns 342 are respectively slidably installed in multiple first brake connection slide holes 133, and the inner ends of multiple sliding mounting columns 342 are respectively slidably installed in multiple second brake connection slide holes 142, and the trigger annular surface 343 is abutted against the trigger surface 146.

[0042] The present invention can achieve:

[0043] 1. The present invention can utilize the brake assembly 30 to perform multi-point clamping on the connecting assembly 20, thereby increasing the contact area of ​​the brake surface, improving the braking fastening effect, making the braking performance stronger, being able to withstand a larger load and a higher working pressure, distributing the friction more evenly, reducing single-point wear, and thus extending the service life of the braking system. At the same time, it effectively reduces the risk of insufficient or unreliable braking due to failure of a single brake element, and ensures a close fit between the brake pad and the connector, thereby enhancing the friction during braking, improving the braking efficiency and response speed, and effectively improving the stability, reliability and performance of the braking system.

[0044] 2. The present invention can quickly and effectively dissipate heat for the connection assembly 20 and the brake assembly 30 by quickly introducing cooling air and combining with the heat sink 12, thereby preventing heat accumulation, keeping the equipment within a reasonable operating temperature range, and preventing performance degradation or failure caused by overheating, thereby improving the performance and stability of the system and enhancing the service life and safety of the equipment.

[0045] The above-mentioned embodiments only express several embodiments of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A non-excitation brake for a robot joint, characterized in that: The invention comprises a housing component (10), a connection component (20) and a brake component (30); the housing component (10) comprises a fixed housing (11), a heat sink (12), a stator housing (13) and a heat sink (14); a heat sink installation groove (111) is recessed in the middle of the outer side of the fixed housing (11); a supporting sliding cavity (112) is recessed in the middle of the heat sink installation groove (111); a first rotation groove (113) is recessed in the middle of the supporting sliding cavity (112); the heat sink (12) is installed in the heat sink installation groove (111); the outer side of the stator housing (13) is installed on the inner side of the fixed housing (11); an electromagnetic coil is provided on the outer wall of the stator housing (13); A second rotation groove (131) is recessed in the middle of the outer side of the stator housing (13), and the second rotation groove (131) is arranged opposite to the first rotation groove (113); the outer side of the heat dissipation housing (14) is mounted on the inner side of the stator housing (13); a third rotation groove (141) is recessed in the middle of the outer side of the heat dissipation housing (14), and the third rotation groove (141) is arranged opposite to the second rotation groove (131); the connection component (20) is rotationally mounted in the first rotation groove (113), the second rotation groove (131) and the third rotation groove (141); and the brake component (30) is slidably mounted in the abutting sliding cavity (112), the first rotation groove (113) and the second rotation groove (131); An annular cavity (114) is recessed in the middle of the inner side of the fixed installation housing (11), the annular cavity (114) is in communication with the second rotation groove (131), a plurality of first spring installation holes (115) are recessed in the outer side of the annular cavity (114) along the circumferential direction, a connecting sliding hole (116) is recessed in the middle of each first spring installation hole (115), and a spring (117) is provided on the outer edge of each first spring installation hole (115); A brake mounting ring (132) is convexly provided at the middle of the inner wall of the second rotating groove (131), and a plurality of first brake connecting sliding holes (133) are concavely provided along the circumferential direction on the outer side of the brake mounting ring (132); A plurality of braking sliding holes (121) are recessed along the circumferential direction on the outer edge of the side wall of the heat dissipation plate (12), and the plurality of braking sliding holes (121) are all connected to the abutting sliding cavity (112). A plurality of second braking connecting sliding holes (142) are recessed along the circumferential direction on the outer side of the heat dissipation housing (14), and the plurality of second braking connecting sliding holes (142) are respectively arranged opposite to the plurality of first braking connecting sliding holes (133). A plurality of vertical sliding grooves (143) are recessed on the outer side of the inner wall of the third rotating groove (141), and the plurality of vertical sliding grooves (143) are respectively connected to the plurality of second braking connecting sliding holes (142), and each vertical sliding groove (143) is provided with a sliding vertical rod (144) inside the slide, an arc-shaped brake pad (145) is provided at the bottom end of the sliding vertical rod (144), a restoring spring is provided between the top surface of the arc-shaped brake pad (145) and the inner wall of the third rotating groove (141), an inclined trigger surface (146) is recessed on the outer side of the top end of the sliding vertical rod (144), two rotating annular grooves (147) are recessed on the inner outer edge of the heat dissipation shell (14), and a plurality of arc-shaped ventilation holes (148) are recessed along the circumferential direction on the inner outer edge of the heat dissipation shell (14), and the plurality of arc-shaped ventilation holes (148) are all connected to the third rotating groove (141); The connection assembly (20) comprises an inner rotating connector (21) and an outer rotating connector (22); a first shaft mounting hole (211) is recessed in the middle of a side wall of the inner rotating connector (21); a first bearing (212) is protruding in the middle of an outer wall of the inner rotating connector (21); an outer wall of the first bearing (212) is mounted on the inner side of an inner wall of a third rotating groove (141); and an inner side of the outer rotating connector (22) is mounted on the outer side of the inner rotating connector (21).

2. The non-excitation brake for a robot joint according to claim 1, characterized in that: A connection plate (213) is convexly provided on the inner side of the outer wall of the inner rotating connector (21), two annular rails (214) are convexly provided on the outer edge of the outer side of the connection plate (213), and the two annular rails (214) are respectively installed in two rotating annular grooves (147), an air induction plate (215) is convexly provided on the inner side of the outer wall of the connection plate (213), a plurality of air induction holes (216) are concavely provided on the side wall of the air induction plate (215) along the circumferential direction, and a plurality of air induction blades (217) are convexly provided on the outer wall of the air induction plate (215) along the circumferential direction.

3. The non-excitation brake for a robot joint according to claim 2, characterized in that: A second shaft mounting hole (221) is recessed in the middle of the inner side of the outer rotating connector (22), the second shaft mounting hole (221) is arranged opposite to the first shaft mounting hole (211), an inclined braking annular groove (222) is recessed in the outer side of the inner wall of the second shaft mounting hole (221), a second bearing (223) is disposed on the outer side of the outer wall of the outer rotating connector (22), the outer wall of the second bearing (223) is mounted on the middle of the inner wall of the first rotating groove (113), a braking ring (224) is protruded on the inner side of the outer wall of the outer rotating connector (22), and the braking ring (224) is located in the second rotating groove (131), a plurality of connected cooling grooves (225) are recessed in the outer wall of the braking ring (224) along the circumferential direction, and a plurality of braking extrusion plates (226) are protruded on the outer wall of the braking ring (224) along the length direction.

4. The non-excitation brake for a robot joint according to claim 3, characterized in that: The brake assembly (30) comprises an outer brake pad (31), a plurality of outer brake slide columns (32), a magnetic brake ring (33) and an inner brake element (34). The outer brake pad (31) is slidably mounted in the abutting sliding cavity (112). A brake protrusion (312) is convexly provided at the middle of the inner side of the outer brake pad (31). An inclined brake abutting surface (313) is concavely provided at the inner outer edge of the brake protrusion (312). The brake abutting surface (313) abuts against the brake annular groove (222). A plurality of brake mounting holes (311) are recessed along the circumferential direction of the edge, the plurality of brake mounting holes (311) are respectively arranged opposite to the plurality of brake sliding holes (121), the middle parts of the plurality of outer brake sliding columns (32) are respectively installed in the plurality of brake mounting holes (311), and the outer ends of the plurality of outer brake sliding columns (32) are respectively slidably installed in the plurality of brake sliding holes (121), the magnetic brake ring (33) is slidably installed in the annular cavity (114), and the inner brake element (34) is installed on the inner side of the magnetic brake ring (33).

5. The non-excitation brake for a robot joint according to claim 4, characterized in that: A preset groove (331) is recessed on the outer side of the magnetic brake ring (33), and a plurality of second spring mounting holes (332) are recessed in the preset groove (331) along the circumferential direction. The inner ends of the plurality of outer brake slide columns (32) are respectively mounted in the middle of the plurality of second spring mounting holes (332), and the outer edges of the plurality of second spring mounting holes (332) are respectively connected to the inner ends of the plurality of springs (117), and a mounting ring (333) is protruded from the middle of the inner side of the magnetic brake ring (33).

6. The non-excitation brake for a robot joint according to claim 5, characterized in that: The inner brake element (34) comprises a plurality of annular brake pads (341) and a plurality of sliding mounting columns (342), wherein the outer side of one annular brake pad (341) is mounted on the inner side of the mounting ring (333), the outer ends of the plurality of sliding mounting columns (342) are respectively mounted on the outer wall of the annular brake pad (341) along the circumferential direction, and the remaining plurality of annular brake pads (341) are mounted on the middle of the plurality of sliding mounting columns (342) along the length direction, and the outer ends of the plurality of sliding mounting columns (342) are respectively slidably mounted in the plurality of first braking connection sliding holes (133), the inner ends of the plurality of sliding mounting columns (342) are respectively slidably mounted in the plurality of second braking connection sliding holes (142), and an inclined trigger annular surface (343) is recessed at the inner end of the outer wall of each sliding mounting column (342), and the trigger annular surface (343) is abutted against the trigger surface (146).

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