Bearing dresser

Abstract

The utility model discloses a bearing trimmer which comprises a base, a trimming mechanism and a clamping mechanism. The rear side of the upper surface of the base is connected with a supporting plate through bolts; the trimming mechanism comprises an upper shell, a grinding wheel, a fixing seat, a tensioning mechanism, an adjusting mechanism and a first belt wheel, the upper end of the front side face of the supporting plate is fixedly connected with the upper shell, the rear side of the top wall of the upper shell is fixedly connected with the fixing seat, and the lower surface of the fixing seat is rotationally connected with the first belt wheel through a third rotating shaft. A tensioning mechanism is arranged in the middle of the top wall of the upper shell, an adjusting mechanism is arranged on the front side of the top wall of the upper shell, a grinding wheel is arranged at the lower end of the adjusting mechanism, and the middle of the adjusting mechanism, the lower end of the tensioning mechanism and the first belt wheel are in transmission connection through a belt. According to the bearing dresser, the distance is adjusted through a grinding wheel, so that the outer cambered surface of a bearing of any size can be dressed conveniently, and meanwhile, the bearing is dressed more flatly and smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing dressing, in particular to a bearing dresser. Background Art

[0002] Bearings are crucial components in mechanical equipment. Their primary function is to support rotating parts and reduce the friction coefficient of mechanical loads during transmission. my country's bearing industry has experienced rapid development, with a growing variety of bearings, improved product quality and technological levels, and a rapidly expanding industry scale. A professional production system with a comprehensive product range and a well-organized production layout has been established.

[0003] Bearings need to be trimmed during processing. Usually, a grinding wheel is used to grind the side of the bearing for trimming. Usually, the grinding wheel can only grind one side. The fast movement of the grinding wheel may cause slight offset deformation on the surface of the bearing, affecting the normal use of the bearing. For this reason, we propose a bearing dresser. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a bearing dresser that can adjust the spacing of the grinding wheel to facilitate the dressing of the outer arc surface of bearings of any size, while making the dressing more flat and smooth. It can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a bearing dresser, comprising a base, a dressing mechanism and a clamping mechanism;

[0006] Base: The rear side of its upper surface is connected to a support plate by bolts;

[0007] Dressing mechanism: It includes an upper shell, a grinding wheel, a fixed seat, a tensioning mechanism, an adjusting mechanism and a pulley. The upper end of the front side surface of the support plate is fixedly connected to the upper shell, the rear side of the top wall of the upper shell is fixedly connected to the fixed seat, the lower surface of the fixed seat is rotatably connected to the pulley through a third rotating shaft, a tensioning mechanism is provided in the middle of the top wall of the upper shell, an adjusting mechanism is provided on the front side of the top wall of the upper shell, a grinding wheel is provided at the lower end of the adjusting mechanism, and the middle part of the adjusting mechanism, the lower end of the tensioning mechanism and the pulley are connected by a belt transmission.

[0008] Clamping mechanism: It is set on the upper surface of the base. The spacing is adjusted by the grinding wheel to facilitate the trimming of the outer arc surface of bearings of any size, and the trimming is more flat and smooth.

[0009] Furthermore, it also includes a control switch, which is arranged on the upper surface of the base, and the input end of the control switch is electrically connected to the external power supply to control the motor of the device.

[0010] Furthermore, the dressing mechanism also includes a lower end cover, the lower end of the upper shell is connected to the lower end cover by bolts, the front side of the lower end cover is provided with an avoidance opening, the lower end of the adjustment mechanism passes through the avoidance opening, and the grinding wheel is located at the lower end of the lower end cover, which is convenient for the installation of the motor.

[0011] Furthermore, the dressing mechanism also includes motor 1, which is connected to the lower surface of the lower end cover by bolts, the output shaft of motor 1 is fixedly connected to the lower end of rotating shaft 3, and the input end of motor 1 is electrically connected to the output end of the control switch to realize the rotation of the grinding wheel.

[0012] Furthermore, the adjusting mechanism includes a knob, a two-way screw, a slide seat 2 and a pulley 3. The front side of the top wall of the upper shell is fixedly connected with a guide rail 2, and the lower end of the guide rail 2 is slidably connected with a slide seat 2 symmetrically distributed on the left and right sides. A two-way screw is rotatably connected between the front sides of the inner walls on the left and right sides of the upper shell, and the middle of the slide seat 2 is threadedly connected to the two ends of the two-way screw rod respectively. The right end of the two-way screw rod is fixedly connected with a knob, and the knob is located on the right side of the upper shell. The lower surface of the slide seat 2 is rotatably connected to the pulley 3 through the rotating shaft 1. The two pulleys 3 and the lower end of the tensioning mechanism are connected with the pulley 1 through a belt transmission. The lower end of the rotating shaft 1 is fixedly sleeved with a grinding wheel, and the rotating shaft 1 passes through the avoidance opening of the lower end cover to realize the spacing adjustment of the two grinding wheels.

[0013] Furthermore, the tensioning mechanism includes a guide rail 1, a spring, a slide rod, a slide seat 1 and a pulley 2. The middle part of the top wall of the upper shell is fixedly connected to the guide rail 1, and the lower end of the guide rail 1 is slidably connected to the slide seat 1 symmetrically distributed on the left and right sides. A slide rod is fixedly connected between the middle parts of the inner walls on the left and right sides of the upper shell. The middle part of the slide seat 1 is provided with a through hole, and the slide seat 1 is slidably connected to the slide rod through the through hole. The middle part of the slide rod is sleeved with a spring, and the spring is fixedly connected between the two slide seats 1. The lower surface of the slide seat 1 is rotatably connected to the pulley 2 through the rotating shaft 2. The two pulleys 3, the two pulleys 2 and the pulley 1 are connected by belt transmission to prevent the belt from falling off.

[0014] Furthermore, the clamping mechanism includes a three-jaw chuck, a protective cover, a worm gear, a turntable, a worm and a second motor. The front side of the upper surface of the base is rotatably connected to the turntable, the upper surface of the turntable is fixedly connected to the three-jaw chuck, the middle fixed sleeve of the turntable is provided with a worm gear, the front side of the upper surface of the base is connected to the protective cover by bolts, the three-jaw chuck is located at the upper end of the protective cover, and the worm is rotatably connected between the inner walls on the left and right sides of the protective cover. The worm is meshed with the worm gear, and the right side of the protective cover is connected to the second motor by bolts. The output shaft of the second motor is fixedly connected to the right end of the worm, and the input end of the second motor is electrically connected to the output end of the control switch, fixing the bearing and driving the bearing to rotate at the same time.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the bearing dresser has the following advantages:

[0016] The control switch turns on motor one and motor two, and the output shaft of motor one drives shaft three and pulley one to rotate, and the rotation of pulley one drives two pulleys three and two pulleys two to rotate, and pulley three drives the adjacent shaft one to rotate, and the grinding wheel rotates. The bidirectional screw is rotated by the knob, and the bidirectional screw rotation adjusts the relative distance between the two slides two, thereby adjusting the distance between the two grinding wheels. At the same time, the output shaft of motor two drives the worm to rotate slowly, and the worm drives the meshing worm wheel to rotate slowly, and the worm wheel drives the turntable to rotate slowly, and the three-jaw chuck rotates slowly, and the bearing rotates, so as to facilitate the trimming of the outer arc surface of bearings of any diameter. At the same time, the two grinding wheels grind at the same time to avoid the possibility of slight deformation of the bearing, so that the outer arc surface of the trimmed bearing is smoother and flatter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the trimming mechanism of the present invention when viewed from above.

[0020] In the figure: 1 base, 2 dressing mechanism, 21 upper shell, 22 grinding wheel, 23 fixed seat, 24 tensioning mechanism, 241 guide rail 1, 242 spring, 243 slide bar, 244 slide seat 1, 245 pulley 2, 25 adjustment mechanism, 251 knob, 252 bidirectional screw rod, 253 slide seat 2, 254 pulley 3, 26 motor 1, 27 lower end cover, 28 pulley 1, 3 clamping mechanism, 31 three-jaw chuck, 32 protective cover, 33 worm gear, 34 turntable, 35 worm, 36 motor 2, 4 control switch, 5 support plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 , this embodiment provides a technical solution: a bearing dresser, comprising a base 1, a dressing mechanism 2 and a clamping mechanism 3;

[0023] Base 1: The rear side of its upper surface is connected to a support plate 5 by bolts;

[0024] Dressing mechanism 2: It includes an upper shell 21, a grinding wheel 22, a fixed seat 23, a tensioning mechanism 24, an adjusting mechanism 25 and a pulley 28. The upper end of the front side of the support plate 5 is fixedly connected to the upper shell 21, the rear side of the top wall of the upper shell 21 is fixedly connected to the fixed seat 23, and the lower surface of the fixed seat 23 is rotatably connected to the pulley 28 through a rotating shaft 3. The middle part of the top wall of the upper shell 21 is provided with a tensioning mechanism 24, the front side of the top wall of the upper shell 21 is provided with an adjusting mechanism 25, the lower end of the adjusting mechanism 25 is provided with a grinding wheel 22, the middle part of the adjusting mechanism 25, The lower end of the tensioning mechanism 24 is connected to the pulley 1 28 via a belt transmission. The dressing mechanism 2 also includes a lower end cover 27. The lower end of the upper shell 21 is connected to the lower end cover 27 by bolts. The front side of the lower end cover 27 is provided with an avoidance opening. The lower end of the adjustment mechanism 25 passes through the avoidance opening. The grinding wheel 22 is located at the lower end of the lower end cover 27. The dressing mechanism 2 also includes a motor 1 26. The motor 1 26 is connected to the lower surface of the lower end cover 27 by bolts. The output shaft of the motor 1 26 is fixedly connected to the lower end of the rotating shaft 3. The input end of the motor 1 26 is electrically connected to the output end of the control switch 4.

[0025] The adjusting mechanism 25 includes a knob 251, a bidirectional screw rod 252, a slide seat 253 and a pulley 3 254. The front side of the top wall of the upper shell 21 is fixedly connected to the guide rail 2, and the lower end of the guide rail 2 is slidably connected to the slide seat 253 symmetrically distributed on the left and right sides. The bidirectional screw rod 252 is rotatably connected between the front sides of the inner walls on the left and right sides of the upper shell 21. The middle of the slide seat 253 is respectively threadedly connected to the two ends of the bidirectional screw rod 252. The right end of the bidirectional screw rod 252 is fixedly connected to the knob 251. The knob 251 is located on the right side of the upper shell 21. The lower surface of the slide seat 253 is rotatably connected to the pulley 3 254 through the rotating shaft 1. The pulley three 254 and the lower end of the tensioning mechanism 24 are connected to the pulley one 28 through a belt transmission. The lower end of the rotating shaft one is fixedly sleeved with a grinding wheel 22. The rotating shaft one passes through the avoidance opening of the lower end cover 27. The output shaft of the motor one 26 drives the rotating shaft three and the pulley one 28 to rotate. The rotation of the pulley one 28 drives the two pulley threes 254 and the two pulley twos 245 to rotate. The pulley three 254 drives the adjacent rotating shaft one to rotate, and the grinding wheel 22 rotates. The bidirectional screw rod 252 is rotated by the knob 251. The bidirectional screw rod 252 rotates to adjust the relative distance between the two slides 253, thereby realizing the distance adjustment between the two grinding wheels 22.

[0026] The tensioning mechanism 24 includes a guide rail 1 241, a spring 242, a slide bar 243, a slide seat 1 244 and a pulley 245. The middle part of the top wall of the upper shell 21 is fixedly connected with the guide rail 1 241, and the lower end of the guide rail 1 241 is slidably connected with the slide seat 1 244 distributed symmetrically on the left and right sides. The slide bar 243 is fixedly connected between the middle parts of the inner walls on the left and right sides of the upper shell 21. The middle part of the slide seat 1 244 is provided with a through hole. The slide seat 1 244 is slidably connected to the slide bar 243 through the through hole. The middle part of the slide bar 243 is sleeved with a spring 242, and the spring 242 is fixedly connected between the two slide seats 1 244. The lower surface of the slide seat 1 244 is rotatably connected to the pulley 245 through the rotating shaft 2. The two pulleys 3 254, the two pulleys 245 and the pulley The pulleys 1 28 are connected by a belt transmission. When the relative distance between the two slides 253 is adjusted, the total length of the belt is inconvenient and the profile of the belt changes. When the relative distance between the two slides 253 is increased, the spacing between the two pulleys 3 254 increases, and the corresponding belt portion between the two pulleys 3 254 grows. The middle part of the belt retracts inward, and the belt pushes the two pulleys 245 to move toward the middle of the slide bar 243. The two slides 1 244 both slide toward the middle of the slide bar 243, compressing the spring 242. The two ends of the spring 242 generate and maintain a reaction force equal to the thrust of the middle part of the belt retracting inward. The reaction force pushes the adjacent slides 1 244 outward, so that the belt always maintains a certain tension and prevents the belt from falling off.

[0027] Clamping mechanism 3: It is arranged on the upper surface of the base 1, and the clamping mechanism 3 includes a three-jaw chuck 31, a protective cover 32, a worm gear 33, a turntable 34, a worm 35 and a motor 2 36. The front side of the upper surface of the base 1 is rotatably connected to the turntable 34, and the upper surface of the turntable 34 is fixedly connected to the three-jaw chuck 31. The middle fixed sleeve of the turntable 34 is provided with a worm gear 33. The front side of the upper surface of the base 1 is connected to the protective cover 32 by bolts. The three-jaw chuck 31 is located at the upper end of the protective cover 32, and the left and right sides of the protective cover 32 are fixed to the three-jaw chuck 31. A worm 35 is rotatably connected between the inner walls of the sides, and the worm 35 is meshed with the worm wheel 33. The right side of the protective cover 32 is connected to a motor 2 36 by bolts. The output shaft of the motor 2 36 is fixedly connected to the right end of the worm 35. The input end of the motor 2 36 is electrically connected to the output end of the control switch 4. The output shaft of the motor 2 36 drives the worm 35 to rotate slowly, and the worm 35 drives the meshed worm wheel 33 to rotate slowly. The worm wheel 33 drives the turntable 34 to rotate slowly, the three-jaw chuck 31 rotates slowly, and the bearing rotates.

[0028] Among them, it also includes a control switch 4, which is arranged on the upper surface of the base 1, and the input end of the control switch 4 is electrically connected to the external power supply.

[0029] The working principle of a bearing dresser provided by the present invention is as follows: the bearing to be dressed is placed on the upper end of the three-jaw chuck 31, the three-jaw chuck 31 is adjusted to clamp the bearing, and then the motor 1 26 and the motor 2 36 are turned on by the control switch 4, the output shaft of the motor 1 26 drives the rotating shaft 3 and the pulley 1 28 to rotate, and the two pulleys 3 254 and the two pulleys 2 245 are driven to rotate by the rotation of the pulley 1 28, and the pulley 3 254 drives the adjacent rotating shaft 1 to rotate, and the grinding wheel 22 rotates, and the bidirectional screw rod 252 is rotated by the knob 251, and the bidirectional screw rod 252 rotates to adjust the relative distance between the two slides 253 to achieve the distance adjustment between the two grinding wheels 22, and at the same time, the output shaft of the motor 2 36 drives the worm 35 to rotate slowly, the worm 35 drives the meshing worm wheel 33 to rotate slowly, the worm wheel 33 drives the turntable 34 to rotate slowly, the three-jaw chuck 31 rotates slowly, and the bearing rotates The two grinding wheels 22 grind the bearings at the same time to avoid the possibility of slight deformation, making the outer arc surface of the bearings after the trimming smoother and flatter. When adjusting the relative distance between the two slide seats 253, the total length of the belt is inconvenient and the profile of the belt changes. When the relative distance between the two slide seats 253 is increased, the spacing between the two pulleys 3 254 increases, and the corresponding belt portion between the two pulleys 3 254 grows. The middle part of the belt retracts inwardly, and the belt pushes the two pulleys 245 to move toward the middle of the slide bar 243. The two slide seats 1 244 both slide toward the middle of the slide bar 243, compressing the spring 242. The two ends of the spring 242 generate and maintain a reaction force equal to the thrust of the middle part of the belt retracting inwardly. The reaction force pushes the adjacent slide seats 1 244 outwards, so that the belt always maintains a certain tension and prevents the belt from falling off.

[0030] It is worth noting that the motor 1 26 disclosed in the above embodiment can be a 130H6ST-M09615 servo motor, and the motor 2 36 can be a MS1H1-75B30CB-T331Z motor. The control switch 4 is provided with switch buttons corresponding to the motor 1 26 and the motor 2 36 for controlling their switching operation.

[0031] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A bearing dresser, characterized in that: It comprises a base (1), a trimming mechanism (2) and a clamping mechanism (3); Base (1): The rear side of the upper surface of the base is connected to a support plate (5) by bolts; A dressing mechanism (2): comprising an upper shell (21), a grinding wheel (22), a fixing seat (23), a tensioning mechanism (24), an adjusting mechanism (25) and a pulley (28), wherein the upper end of the front side surface of the support plate (5) is fixedly connected to the upper shell (21), the rear side of the top wall of the upper shell (21) is fixedly connected to the fixing seat (23), the lower surface of the fixing seat (23) is rotatably connected to the pulley (28) via a rotating shaft 3, the middle portion of the top wall of the upper shell (21) is provided with a tensioning mechanism (24), the front side of the top wall of the upper shell (21) is provided with an adjusting mechanism (25), the lower end of the adjusting mechanism (25) is provided with a grinding wheel (22), and the middle portion of the adjusting mechanism (25), the lower end of the tensioning mechanism (24) and the pulley (28) are connected via a belt transmission; Clamping mechanism (3): It is arranged on the upper surface of the base (1).

2. A bearing dresser according to claim 1, characterized in that: It also includes a control switch (4), which is arranged on the upper surface of the base (1), and an input end of the control switch (4) is electrically connected to an external power supply.

3. A bearing dresser according to claim 2, characterized in that: The dressing mechanism (2) further comprises a lower end cover (27), the lower end of the upper shell (21) being connected to the lower end cover (27) via bolts, a clearance opening being provided on the front side of the lower end cover (27), the lower end of the adjustment mechanism (25) passing through the clearance opening, and the grinding wheel (22) being located at the lower end of the lower end cover (27).

4. A bearing dresser according to claim 3, characterized in that: The trimming mechanism (2) further includes a motor 1 (26), which is connected to the lower surface of the lower end cover (27) by bolts, the output shaft of the motor 1 (26) is fixedly connected to the lower end of the rotating shaft 3, and the input end of the motor 1 (26) is electrically connected to the output end of the control switch (4).

5. The bearing dresser according to claim 1, characterized in that: The adjusting mechanism (25) includes a knob (251), a bidirectional screw rod (252), a slide seat 2 (253) and a pulley 3 (254). The front side of the top wall of the upper shell (21) is fixedly connected to the guide rail 2, and the lower end of the guide rail 2 is slidably connected to the slide seat 2 (253) distributed symmetrically on the left and right sides. The front sides of the inner walls on the left and right sides of the upper shell (21) are rotatably connected to the bidirectional screw rod (252), and the middle part of the slide seat 2 (253) is respectively screwed to the two ends of the bidirectional screw rod (252). The right end of the bidirectional screw rod (252) is fixedly connected with a knob (251), and the knob (251) is located on the right side of the upper shell (21). The lower surface of the slide seat 2 (253) is rotatably connected with a pulley 3 (254) through a rotating shaft 1. The two pulleys 3 (254), the lower end of the tensioning mechanism (24) and the pulley 1 (28) are connected by a belt transmission. The lower end of the rotating shaft 1 is fixedly provided with a grinding wheel (22), and the rotating shaft 1 passes through the avoidance port of the lower end cover (27).

6. The bearing dresser according to claim 1, characterized in that: The tensioning mechanism (24) includes a guide rail (241), a spring (242), a slide rod (243), a slide seat (244) and a pulley (245). The middle of the top wall of the upper shell (21) is fixedly connected to the guide rail (241). The lower end of the guide rail (241) is slidably connected to the slide seat (244) symmetrically distributed on the left and right sides. The middle of the inner walls on the left and right sides of the upper shell (21) are fixedly connected to the slide rod (243). The slide seat (244) is fixedly connected to the middle of the inner walls on the left and right sides of the upper shell (21). ) are provided with through holes in the middle of each, and the slide seat 1 (244) is slidably connected to the slide rod (243) through the through holes. The middle of the slide rod (243) is provided with a spring (242), and the spring (242) is fixedly connected between the two slide seats 1 (244). The lower surface of the slide seat 1 (244) is rotatably connected to the pulley 2 (245) through the rotating shaft 2, and the two pulleys 3 (254), the two pulleys 2 (245) and the pulley 1 (28) are connected by belt transmission.

7. The bearing dresser according to claim 2, characterized in that: The clamping mechanism (3) includes a three-jaw chuck (31), a protective cover (32), a worm gear (33), a turntable (34), a worm (35) and a second motor (36). The front side of the upper surface of the base (1) is rotatably connected to the turntable (34), the upper surface of the turntable (34) is fixedly connected to the three-jaw chuck (31), the middle fixed sleeve of the turntable (34) is provided with a worm gear (33), the front side of the upper surface of the base (1) is connected to the protective cover (32) by bolts, the three-jaw chuck (31) is located at the upper end of the protective cover (32), the worm gear (35) is rotatably connected between the inner walls on the left and right sides of the protective cover (32), the worm gear (35) is meshed with the worm gear (33), the right side of the protective cover (32) is connected to the second motor (36) by bolts, the output shaft of the second motor (36) is fixedly connected to the right end of the worm gear (35), and the input end of the second motor (36) is electrically connected to the output end of the control switch (4).

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