Machining device of electric brake

Abstract

The invention discloses an electric brake machining device, and relates to the technical field of electric brake machining equipment, the electric brake machining device comprises a turning machine tool and a turning seat slidably connected to the top of the turning machine tool, the top of the turning seat is slidably connected with an adjusting seat, and the top of the adjusting seat is fixedly connected with a tool rest; the three-jaw chuck is installed at the end of the turning machine tool, and a brake disc is clamped on the inner side of the three-jaw chuck. Through cooperation of parts such as the encircling assistor and the like, the end of the brake disc is reinforced in an encircling mode through the three annularly-distributed pressing rods, constraining force is applied in multiple directions, radial torque generated by cutting force can be effectively counteracted, the brake disc is prevented from shaking, and it is ensured that the turning track is stable; therefore, the situation that raised grains are generated on the turning part of the brake disc due to vibration in the turning process of the brake disc is avoided, and the turning accuracy of the brake disc is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric brake processing equipment, and particularly relates to a processing device for electric brakes. BACKGROUND

[0002] Electric brakes (usually referring to electromagnetic brakes, which are devices for realizing the function of braking by using electromagnetic force) are widely applied in the fields of industry and transportation, and the structure of the electric brake needs to meet the core requirement of "electromagnetic control of braking state". The electric brake is mainly composed of the following components: an electromagnetic driving component, a braking execution component (including a brake disc and other components), a reset and adjustment component, and the like. The electric brake is essentially used for precisely and safely controlling mechanical movement through electromagnetic control, and thus is indispensable in scenarios requiring rapid braking or emergency stopping.

[0003] In the production and processing of the brake disc used in the existing electric brake, a single clamping structure of a three-jaw chuck is generally relied on. Although the three-jaw chuck can realize the positioning of the middle part of the brake disc, when the end part is turned, the end part of the brake disc far from the clamping point is prone to vibration or slight deviation under the action of the radial cutting force, so that the end surface after processing has defects such as wavy lines and unevenness, and the flatness and end surface runout precision are difficult to control. Meanwhile, as the turning depth increases, the thickness of the end part of the brake disc gradually decreases, and the existing pressing mechanism cannot dynamically adjust the pressing force with the processing progress, so the contradictions of "insufficient pressing" (vibration intensification) or "excessive pressing" (deformation of the thin-walled part) are prone to occur, thereby affecting the turning precision. Therefore, the present application provides a processing device for electric brakes to solve the above problems. SUMMARY

[0004] The present application aims at solving the problem that the end part of the brake disc far from the clamping point is prone to vibration or slight deviation under the action of the radial cutting force when the existing turning device clamps and turns the brake disc by using the three-jaw chuck, thereby affecting the turning precision, and provides a processing device for electric brakes.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a processing device of an electric brake, comprising: a turning machine and a turning seat slidably connected to the top of the turning machine, the top of the turning seat is slidably connected with an adjusting seat, and the top of the adjusting seat is fixedly connected with a tool holder; a three-jaw chuck is installed at the end of the turning machine, and the inner side of the three-jaw chuck clamps a brake disc; a surrounding auxiliary device is located at the top of the turning seat and is used for reinforcing the end of the brake disc, the surrounding auxiliary device comprises a moving ring arranged above the adjusting seat, three pressing rods are arranged on the inner side of the moving ring, and the end of the brake disc is surrounded by the three ring-shaped pressing rods; a step-by-step pressure adjusting part is arranged between the moving ring and the pressing rods, so that the pressing rods can be synchronously adjusted in position after the end of the brake disc is turned.

[0006] As a further scheme of the present application: the surrounding auxiliary device further comprises a hydraulic damper fixedly connected to the bottom of the pressing rod, the bottom of the hydraulic damper is fixedly connected with a pressing block, the bottom of the pressing block is embedded with a ball, the inner side of the moving ring is provided with a pushing auxiliary assembly for driving the three pressing rods to rotate, and an adjusting assembly for driving the moving ring to adjust the position is arranged between the turning seat and the moving ring.

[0007] As a further scheme of the present application: the pushing auxiliary assembly comprises a first fixed block fixedly connected to the inner side of the moving ring, an electric push rod is installed on one side of the first fixed block, the output end of the electric push rod penetrates through the outside of the first fixed block and is fixedly connected with a second fixed block, one end of the second fixed block is fixedly connected with an adjusting ring, the inner side of the adjusting ring is fixedly connected with three fixed frames corresponding to the pressing rods, and the inner side of the fixed frame is rotatably connected with a roller.

[0008] As a further scheme of the present application: the inner side of the moving ring is provided with a groove matched with the pressing rod, the pressing rod is arranged on the inner side of the groove, the two sides of the pressing rod are fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through the inner side of the moving ring and is rotatably connected with the moving ring, one end of the rotating shaft is fixedly connected with a fixed ring, and a torsion spring is arranged between the fixed ring and the moving ring.

[0009] As a further scheme of the present application: the adjusting assembly comprises a U-shaped seat arranged between the moving ring and the turning seat, the U-shaped seat is fixedly connected with the turning seat through a bolt assembly, the inner side of the U-shaped seat is rotatably connected with an adjusting screw rod, the outer wall of the adjusting screw rod is threadedly connected with a T-shaped block, the T-shaped block is fixedly connected to the bottom of the moving ring, a driving motor is installed on one side of the U-shaped seat, and the output end of the driving motor is fixedly connected with the adjusting screw rod.

[0010] As a further scheme of the present application: the inner side of the U-shaped seat is provided with a limiting groove matched with the T-shaped block, and the adjusting screw rod is rotationally connected to the inner side of the limiting groove.

[0011] As a further scheme of the present application: the step-by-step pressure adjusting part comprises adjusting plates fixedly connected to the outer walls of the three pressing rods respectively, and the adjusting plates are composed of multiple inclined surfaces and planes.

[0012] As a further scheme of the present application: the lengths of the three fixing frames decrease in turn from clockwise, and the fixing frame located directly above has the longest length, so that the pressing rod located directly above is first adjusted in pressure.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] 1. By setting the cooperation of the ring auxiliary device and other parts, since the clamping force of the three-jaw chuck mainly acts on the middle or root of the brake disc, and the turning operation is concentrated on the end of the brake disc, which is far away from the clamping point, vibration or slight deviation is easy to occur due to the cutting force (especially the radial component), therefore, the end of the brake disc is formed by the three ring-shaped pressing rods to form a "ring type" reinforcement, and the restraining force is applied from multiple directions, which can effectively offset the radial torque generated by the cutting force, avoid the shaking of the brake disc, and ensure the stability of the turning track, so as to avoid the waving of the turning part of the brake disc due to vibration during turning, and further improve the precision of turning the brake disc.

[0015] 2. By setting the cooperation of the hydraulic damper and other parts, when the pressing rod is pressed, the pressing block can be buffered when it is in the pressed state through the hydraulic damper. The brake disc rotates at high speed during turning, and may produce slight vibration due to uneven material, cutting force fluctuation, etc. If the pressing block and the brake disc are in rigid contact, the instantaneous force when the pressing block is pressed may cause indentation, scratch on the surface of the brake disc, and even cause local deformation of the brake disc. The hydraulic damper realizes buffering through the flow resistance of the internal hydraulic oil, can convert the impact force in the pressing process into hydraulic energy slowly released, reduces the damage to the surface of the brake disc, protects the precision and integrity of the workpiece, and thus improves the practicability of the device as a whole.

[0016] 3、By setting the step-by-step pressure regulating part, when the end of the brake disc is turned by the turning operation of the pressing part, the electric push rod can be intermittently started under the control of the PLC controller, when the preliminarily turned brake disc rotates below the pressing block, the electric push rod is started, the output end of the electric push rod drives the adjusting ring to drive the three rollers to continue to move to the pressing rod direction, since the lengths of the three fixed frames decrease in turn from clockwise, the fixed frame located directly above has the longest length, therefore the roller located directly above is initially in contact with the inclined surface on the adjusting plate, under the action of the inclined surface, the pressing rod is pushed to drive the ball to the turned part of the brake disc again for compensation pressing, when the roller located directly above is separated from the inclined surface, it is on the plane, at this time, the plane is in parallel with the roller after the pressing rod is in an inclined state, so that the roller will not press the pressing rod again when it continues to move, only when the turning depth increases and needs to be compensated again, the roller will be in contact with an inclined surface again for circulation, so that the three pressing rods drive a ball to form compensation pressing of the step-by-step turning brake disc, during the turning process of the brake disc, with the increase of the cutting depth, the thickness of the area turned by the end of the brake disc gradually decreases, if the pressing force cannot follow the turning progress, the original pressing point may have a gap due to the thinning of the brake disc, resulting in a decrease in the restraining force, and the compensation pressing pushes the ball to the new turning part in time after the turning depth increases through the cooperation of the roller and the inclined surface, so that no matter how much the brake disc is turned, there is always stable pressing force from three directions (annular distribution) to apply the restraining force, continuously offset the radial vibration and offset torque generated in the turning process, avoid the shaking caused by the gap, so as to improve the practicability of the device as a whole, and further improve the turning accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the application;

[0018] Figure 2 It is a local structural schematic diagram of the turning machine tool of the application;

[0019] Figure 3 It is an end clamping schematic diagram of the three-jaw chuck of the application;

[0020] Figure 4 It is an enlarged view of A in the application Figure 3

[0021] Figure 5 It is a top structural schematic diagram of the U-shaped seat of the application;

[0022] Figure 6 It is a moving ring structural schematic diagram of the application;

[0023] Figure 7 It is an enlarged view of B in the application Figure 6 ​​

[0024] Figure 8 The exploded view of the moving ring and the pressing rod of the application.

[0025] In the figure: 1, turning machine; 2, three-jaw chuck; 3, turning seat; 4, tool holder; 5, U-shaped seat; 6, adjusting seat; 7, brake disc; 8, moving ring; 9, pressing rod; 10, adjusting ring; 11, driving motor; 12, hydraulic damper; 13, pressing block; 14, ball; 15, adjusting plate; 16, adjusting screw; 17, electric push rod; 18, first fixed block; 19, second fixed block; 20, limiting groove; 21, fixed frame; 22, roller; 23, inclined surface; 24, flat surface; 25, fixed ring; 26, torsion spring; 27, rotating shaft; 28, groove; 29, T-shaped block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0027] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0028] Please refer to Figures 1-8The embodiment provides a machining device of an electric brake, which comprises a turning machine tool 1, a turning seat 3 slidably connected to the top of the turning machine tool 1, an adjusting seat 6 slidably connected to the top of the turning seat 3, and a tool holder 4 fixedly connected to the top of the adjusting seat 6; a three-jaw chuck 2 installed at the end of the turning machine tool 1, the inner side of the three-jaw chuck 2 clamping a brake disc 7; a surrounding auxiliary device located at the top of the turning seat 3 and used for reinforcing the end of the brake disc 7, the surrounding auxiliary device comprising a moving ring 8 arranged above the adjusting seat 6, three pressing rods 9 arranged on the inner side of the moving ring 8, the end of the brake disc 7 being surrounded by the three annularly distributed pressing rods 9, the surrounding auxiliary device further comprising a hydraulic damper 12 fixedly connected to the bottom of the pressing rod 9, a pressing block 13 fixedly connected to the bottom of the hydraulic damper 12, and a ball 14 embedded in the bottom of the pressing block 13, the inner side of the moving ring 8 being provided with a pushing auxiliary assembly used for driving the three pressing rods 9 to rotate, an adjusting assembly arranged between the turning seat 3 and the moving ring 8 and used for driving the moving ring 8 to adjust the position, the pushing auxiliary assembly comprising a first fixed block 18 fixedly connected to the inner side of the moving ring 8, an electric push rod 17 installed on one side of the first fixed block 18, a second fixed block 19 fixedly connected to the output end of the electric push rod 17 and externally protruding from the first fixed block 18, an adjusting ring 10 fixedly connected to one end of the second fixed block 19, three fixed frames 21 fixedly connected to the inner side of the adjusting ring 10 and corresponding to the pressing rods 9, a roller 22 rotatably connected to the inner side of the fixed frame 21, a groove 28 matching the pressing rod 9 and arranged on the inner side of the moving ring 8, the pressing rod 9 arranged on the inner side of the groove 28, a rotating shaft 27 fixedly connected to the two sides of the pressing rod 9 and rotatably connected to the inner side of the moving ring 8, a fixed ring 25 fixedly connected to one end of the rotating shaft 27, and a torsion spring 26 arranged between the fixed ring 25 and the moving ring 8, the adjusting assembly comprising a U-shaped seat 5 arranged between the moving ring 8 and the turning seat 3 and fixedly connected to the turning seat 3 through a bolt assembly, a adjusting lead screw 16 rotatably connected to the inner side of the U-shaped seat 5, a T-shaped block 29 threadedly connected to the outer wall of the adjusting lead screw 16 and fixedly connected to the bottom of the moving ring 8, a driving motor 11 installed on one side of the U-shaped seat 5 and fixedly connected to the output end of the adjusting lead screw 16, and a limiting groove 20 matching the T-shaped block 29 and arranged on the inner side of the U-shaped seat 5, the adjusting lead screw 16 being rotatably connected to the inner side of the limiting groove 20;

[0029] The three-jaw chuck 2 how to clamp the brake disc 7 is prior art, so that the three-jaw chuck 2 is not described in detail in the embodiment;

[0030] When the brake disc 7 is clamped by the three-jaw chuck 2, the driving motor 11 can be started to drive the output end of the driving motor 11 to rotate the adjusting screw 16, thereby driving the T-shaped block 29 to adjust the pressing rod 9 to the specified position;

[0031] When the rollers 22 are in a separated state from the pressing rod 9, the pressing rod 9 is in a raised state under the action of the torsion spring 26. First, when the brake disc 7 is clamped by the three-jaw chuck 2, the electric push rod 17 can be started. The output end of the electric push rod 17 drives the second fixed block 19 to move in the direction of the pressing rod 9 through the adjusting ring 10. When the three rollers 22 respectively contact the pressing rod 9, the pressing rod 9 is pushed to abut the brake disc 7 end through the pressing block 13 and forms a certain pressure on the brake disc 7 (the pressure is not to clamp the brake disc 7, but mainly to keep the brake disc 7 stable during turning and cutting, thereby forming pressure on the end of the brake disc 7). Since the clamping force of the three-jaw chuck 2 mainly acts on the middle or root of the brake disc 7, and the turning operation is concentrated on the end of the brake disc 7, which is far away from the clamping point, it is easy to vibrate or slightly deviate due to the cutting force (especially the radial component). Therefore, the three ring-distributed pressing rods 9 form a "ring-shaped" reinforcement on the end of the brake disc 7, and the restraining force is applied from multiple directions, which can effectively offset the radial moment generated by the cutting force, avoid the brake disc 7 from shaking, ensure the stability of the turning track, and thus avoid the brake disc 7 from producing wavy lines at the turning position due to vibration during turning, thereby improving the precision of turning the brake disc 7.

[0032] When the pressing rod 9 is pressed, the pressing block 13 is in a pressing state through the hydraulic damper 12, which can provide certain buffering. The brake disc 7 rotates at high speed during turning, and may produce slight vibration due to uneven material and cutting force fluctuation. If the pressing block 13 and the brake disc 7 are in rigid contact, the instantaneous force during pressing may cause indentation, scratch or even local deformation on the surface of the brake disc 7. The hydraulic damper 12 can realize buffering through the flow resistance of the internal hydraulic oil, which can convert the impact force during pressing into hydraulic energy and slowly release it, reducing the damage to the surface of the brake disc 7, protecting the precision and integrity of the workpiece, and thus improving the practicability of the device as a whole.

[0033] Please refer to Figures 4-8, gradually pressure adjusting part, between the moving ring 8 and the pressing rod 9, for making the pressing rod 9 can be synchronized with the brake disc 7 end after turning position adjustment, gradually pressure adjusting part including respectively fixed connection three pressing rod 9 outer wall adjusting plate 15, adjusting plate 15 by multiple inclined surface 23 and plane 24, three fixed frame 21 length from clockwise sequentially decreases, the fixed frame 21 length longest in the uppermost, so that the pressing rod 9 in the uppermost first pressure regulating;

[0034] When the brake disc 7 end is pressed by the turning operation of the pressing part, the electric push rod 17 can be intermittently started under the control of the PLC controller, when the brake disc 7 after preliminary turning is rotated to the lower side of the pressing block 13, the electric push rod 17 is started, the output end of the electric push rod 17 drives the adjusting ring 10 to drive the three rollers 22 to continue moving to the pressing rod 9 direction, because the length of the three fixed frames 21 decreases from clockwise sequentially, the length of the fixed frame 21 in the uppermost is the longest, so the roller 22 in the uppermost initially contacts the inclined surface 23 on the adjusting plate 15, under the action of the inclined surface 23, the pressing rod 9 is pushed again to drive the ball 14 to the turning part of the brake disc 7 to supplement the pressing, when the roller 22 in the uppermost is separated from the inclined surface 23 and is on the plane 24, at this time, the plane 24 is in parallel with the roller 22 after the pressing rod 9 has been inclined, so that the roller 22 continues to move without pressing the pressing rod 9 again, only when the turning depth increases and needs to be supplemented again, the roller 22 will contact an inclined surface 23 again and cycle sequentially, so that the three pressing rods 9 drive a ball 14 to form a supplementary pressing compensation for the gradually turning brake disc 7, during the turning of the brake disc 7, as the turning depth increases, the thickness of the area turned by the end of the brake disc gradually decreases, if the pressing force cannot follow the turning progress, the original pressing point may have a gap due to the thinning of the brake disc, resulting in a decrease in the restraining force, and the supplementary pressing compensation pushes the ball 14 to the new turning part in time after the turning depth increases through the cooperation of the roller 22 and the inclined surface 23, ensuring that no matter how much the brake disc 7 is turned, there is always a stable pressure from the three directions (annular distribution) to apply a restraining force, continuously offsetting the radial vibration and offset torque generated during turning, avoiding the shaking caused by the gap, thereby improving the practicability of the device as a whole, and further improving the precision of turning.

[0035] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A processing device of an electric brake, characterized by, Include: Turning machine (1) and turning seat (3) slidingly connected on top of the turning machine (1), the top of the turning seat (3) is slidingly connected with the adjusting seat (6), and the top of the adjusting seat (6) is fixedly connected with the tool holder (4); Three-jaw chuck (2) is installed at the end of the turning machine (1), and the inner side of the three-jaw chuck (2) clamps the brake disc (7); The ring auxiliary device is located on the top of the turning seat (3), which is used for reinforcing the end of the brake disc (7), and the ring auxiliary device includes a moving ring (8) arranged above the adjusting seat (6), three pressing rods (9) are arranged on the inner side of the moving ring (8), and the end of the brake disc (7) is formed by three annularly distributed pressing rods (9). The step-by-step pressure regulating part is located between the moving ring (8) and the pressing rod (9), which can adjust the position of the pressing rod (9) synchronously after the end of the brake disc (7) is turned.

2. A device for processing an electric brake according to claim 1, characterized in that The ring auxiliary device further comprises a hydraulic damper (12) fixedly connected to the bottom of the pressing rod (9), a pressing block (13) fixedly connected to the bottom of the hydraulic damper (12), a ball (14) embedded in the bottom of the pressing block (13), a pushing auxiliary assembly for driving three pressing rods (9) to rotate is arranged on the inner side of the moving ring (8), and an adjusting assembly for driving the moving ring (8) to adjust the position is arranged between the turning seat (3) and the moving ring (8).

3. A device for processing an electric brake according to claim 2, characterized in that The pushing auxiliary assembly includes a first fixed block (18) fixedly connected to the inner side of the moving ring (8), an electric push rod (17) mounted on one side of the first fixed block (18), a second fixed block (19) fixedly connected to the output end of the electric push rod (17) and externally connected to the first fixed block (18), an adjusting ring (10) fixedly connected to one end of the second fixed block (19), three fixed frames (21) fixedly connected to the inner side of the adjusting ring (10) corresponding to the pressing rod (9), and a roller (22) rotatably connected to the inner side of the fixed frame (21).

4. A device for processing an electric brake according to claim 3, characterized in that The inner side of the moving ring (8) is provided with a groove (28) matched with the pressing rod (9), the pressing rod (9) is arranged in the inner side of the groove (28), the two sides of the pressing rod (9) are fixedly connected with the rotating shaft (27), one end of the rotating shaft (27) penetrates into the inner side of the moving ring (8) and is rotatably connected with the moving ring (8), one end of the rotating shaft (27) is fixedly connected with the fixed ring (25), and the torsion spring (26) is arranged between the fixed ring (25) and the moving ring (8).

5. A device for processing an electric brake according to claim 3, wherein The adjusting assembly comprises a U-shaped seat (5) arranged between the moving ring (8) and the turning seat (3), the U-shaped seat (5) is fixedly connected with the turning seat (3) through a bolt assembly, the inner side of the U-shaped seat (5) is rotationally connected with an adjusting screw rod (16), the outer wall of the adjusting screw rod (16) is threadedly connected with a T-shaped block (29), the T-shaped block (29) is fixedly connected at the bottom of the moving ring (8), one side of the U-shaped seat (5) is provided with a driving motor (11), and the output end of the driving motor (11) is fixedly connected with the adjusting screw rod (16).

6. A device for processing an electric brake according to claim 5, characterized in that The inner side of the U-shaped seat (5) is provided with a limiting groove (20) matched with the T-shaped block (29), and the adjusting screw rod (16) is rotationally connected at the inner side of the limiting groove (20).

7. The apparatus of claim 3 wherein, The step-by-step pressure adjusting part comprises three adjusting plates (15) fixedly connected with the outer walls of the three pressing rods (9) respectively, and the adjusting plate (15) is composed of a plurality of inclined surfaces (23) and flat surfaces (24).

8. A device for machining an electric brake according to claim 7, characterized in that The lengths of the three fixing frames (21) sequentially decrease from clockwise, and the fixing frame (21) located directly above has the longest length, so that the pressing rod (9) located directly above is firstly adjusted in pressure.

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