A fixture for machining precision bearing seats

Abstract

The utility model discloses a fixture for processing a precision bearing seat, including a lower bottom box and a first support frame, wherein the first support frame is installed at the center position of the top of the lower bottom box, the second support frame is installed at the top of the first support frame, the left column frame is installed at the top of the second support frame, the right fixed seat is installed at the side of the top of the second support frame away from the left column frame, the top of the right fixed seat is provided with an upper rotating box, the outer wall of the upper rotating box is movably installed with a right bracket, and the top of the left column frame is movably installed with a support shaft. The utility model not only realizes the elastic pre-contact clamping support and rotation adjustment of the precision bearing seat by the fixture, reduces the instantaneous rigidity of the precision bearing seat when clamped, facilitates the protection of the outer wall of the precision bearing seat clamping, facilitates the multi-angle processing of the precision bearing seat, but also increases the processing range of the precision bearing seat.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing seat production, in particular to a clamp for machining a precision bearing seat. Background Art

[0002] The bearing seat is the outer support body of the shaft and bearing. When the shaft in the machinery and equipment needs to rotate, there must be a rotating component bearing. The bearing also needs support when it rotates. The support point required for bearing transmission is what we often call the bearing seat. Precision bearings have a very high load-bearing capacity and stability, which can ensure the accuracy and stability of mechanical equipment. The matching accuracy of the inner and outer rings and rolling elements of precision bearings is very high, and they can withstand the load of high-speed rotation. In high-speed rotating mechanical equipment, precision bearings can ensure their stability and life. The contact area between the rolling elements and the inner and outer rings of precision bearings is large, and the contact surface is hardened and has a high load-bearing capacity. Precision bearings are made of high-quality materials and are strictly processed and screened to ensure that their life is very long. The life of precision bearings can reach several years or even longer.

[0003] For example, a bearing seat processing fixture disclosed in the authorization announcement number CN214444845U includes a frame, a chassis, a rotating platform, a sliding platform and a cylinder assembly, wherein the frame is fixedly provided with a chassis on top, the rotating platform is rotatably provided on the top of the chassis, a track is fixed on the top of the rotating platform, the sliding platform is slidably provided on the track, the cylinder assembly includes a pushing cylinder and a rotating cylinder, the pushing cylinder is used to push the sliding platform to slide on the track, and the rotating cylinder is used to rotate the rotating platform;

[0004] Although a rotating cylinder is arranged inside the chassis, the rotation of the rotating cylinder drives the driving wheel to rotate, and the driving wheel further drives the driven wheel to rotate through the conveyor belt, and the rotation of the driven wheel drives the rotating shaft to rotate, so the rotating shaft can drive the rotating platform and the sliding platform to rotate, that is, to adjust the angle of the bearing seat clamped on the sliding platform;

[0005] However, the problem that the existing clamp is not conducive to the elastic pre-contact clamping support and rotation adjustment of the precision bearing seat when in use is not solved, the instantaneous rigidity of the precision bearing seat when clamped can easily cause damage to the outer wall, and it is not convenient to perform multi-angle processing on the precision bearing seat, which greatly affects the processing range of the precision bearing seat. Utility Model Content

[0006] The purpose of the utility model is to provide a clamp for processing precision bearing seats, so as to solve the problems proposed in the above background technology that the clamp is not convenient for elastic pre-contact clamping support and rotation adjustment of the precision bearing seat, the instantaneous rigidity of the precision bearing seat when clamping is easy to cause damage to the outer wall, and it is not convenient to perform multi-angle processing on the precision bearing seat, which affects the processing range of the precision bearing seat.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for processing a precision bearing seat, comprising a lower bottom box and a first support frame, the first support frame is installed at the center position of the top end of the lower bottom box, the second support frame is installed at the top end of the first support frame, the left column frame is installed at the top end of the second support frame, a right fixed seat is installed at the side of the top end of the second support frame away from the left column frame, an upper rotating box is arranged at the top end of the right fixed seat, a right bracket is movably installed on the outer wall of the upper rotating box, a support shaft is movably installed at the top end of the left column frame, and the support A left bracket is installed at the end of the support shaft away from the left column frame, a cross plate is installed between the left bracket and the right bracket, one end of the cross plate is connected to the left bracket, and the other end of the cross plate is connected to the right bracket, a rotating shaft is movably installed on the outer wall of the upper rotating box on the side close to the right bracket, and the rotating shaft is fixedly connected to the right bracket, an L-shaped frame is installed on the top of the cross plate, a left sleeve frame is installed on the top of the L-shaped frame, a left arm is installed on the outer wall of the left sleeve frame on the side close to the L-shaped frame, a left limit rod is symmetrically slidably installed inside the left sleeve, and the left limit rod is connected to the left arm.

[0008] Preferably, a motor seat is installed on the outer wall of the L-shaped frame, a dual-axis motor is installed on the top of the motor seat, a left gear is installed on the output end of one side of the dual-axis motor, and a linkage sleeve is installed on the outer wall of the L-shaped frame on one side of the left gear.

[0009] Preferably, a left rack is slidably installed inside the side of the linkage sleeve close to the left gear, and the left rack is meshed with the left gear. A first linkage rod is installed at the end of the left rack away from the left gear, and the first linkage rod extends to the outside of the left arm and is fixedly connected to the left arm.

[0010] Preferably, a rack arm is slidably installed on the outer wall of the L-shaped frame on one side of the dual-axis motor, a right rack is installed on the bottom end of the rack arm, a right gear is installed on the output end of the dual-axis motor on the right rack side, and the right gear is meshed with the right rack, a support sleeve is installed on the side of the top of the rack arm away from the right rack, and semicircular clamps are installed on the outer walls adjacent to the support sleeve and the left arm.

[0011] Preferably, a linkage block is installed on the side of the top end of the rack arm away from the supporting sleeve, a spring is installed on the outer wall of the linkage block, a right limit rod is symmetrically installed on the outer wall of the linkage block on one side of the spring, and the right limit rod is slidably connected to the L-shaped frame, and the right limit rod is connected to the supporting sleeve.

[0012] Preferably, an elastic rod is installed at one end of the spring away from the linkage block, an elastic protrusion is installed at one end of the elastic rod away from the spring, and the elastic protrusion is slidably connected to the supporting sleeve.

[0013] Preferably, a worm wheel is installed inside the upper rotating box, and the worm wheel is fixedly connected to the rotating shaft, a worm is installed inside the upper rotating box below the worm wheel, a stepper motor is installed on the outer wall of the upper rotating box on one side of the worm, and the output end of the stepper motor is connected to the worm.

[0014] Preferably, a remote controller is installed on the outer wall of the second support frame, and the output end of the remote controller is electrically connected to the input ends of the dual-axis motor and the stepper motor.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the clamp not only realizes the pre-contact clamping support and rotation adjustment of the precision bearing seat by the clamp, but also reduces the instantaneous rigidity of the precision bearing seat when clamping, facilitates the protection of the outer wall of the precision bearing seat clamping, facilitates the multi-angle processing of the precision bearing seat, and increases the processing range of the precision bearing seat;

[0016] (1) The left gear is driven to rotate by the double-axis motor, and the left gear drives the left rack to move. Under the support of the L-shaped frame, the left rack slides inside the linkage sleeve to drive the first linkage rod to move. The first linkage rod drives the left limit rod and a group of semicircular clamps to move through the left arm. At the same time, the double-axis motor drives the right gear to rotate, and the right gear drives the right rack to move. The right rack drives the support sleeve to move through the rack arm. The support sleeve drives the semicircular clamp and the right limit rod to move synchronously. The right limit rod drives the linkage block to move, and the linkage block drives the spring to move. The spring drives the elastic protrusion to move through the elastic rod. The elastic protrusion first contacts the precision bearing seat. When the spring is compressed to the maximum amount, the elastic protrusion slides into the interior of the support sleeve. At this time, a group of semicircular clamps on the right side contact the precision bearing seat, and a group of semicircular clamps on the left side contact the precision bearing seat to perform elastic pre-contact clamping and fixing of the precision bearing seat, thereby realizing the elastic pre-contact clamping support of the precision bearing seat by the fixture, reducing the instantaneous rigidity of the precision bearing seat when clamping, and facilitating the protection of the outer wall of the precision bearing seat clamp.

[0017] (2) The worm is driven to rotate by a stepper motor, and the worm drives the worm wheel to rotate. At the same time, the worm wheel drives the rotating shaft to rotate. The rotating shaft drives the right bracket to rotate. The right bracket drives the cross plate to rotate. The cross plate drives the L-shaped frame, the left arm, and the semicircular clamp to rotate to drive the precision bearing seat to rotate, so as to facilitate multi-angle rotation processing, realize convenient rotation adjustment of the fixture, facilitate multi-angle processing of the precision bearing seat, and increase the processing range of the precision bearing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the second support frame of the utility model;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the L-shaped frame of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the left arm of the utility model;

[0022] Figure 5 It is a three-dimensional structural schematic diagram of the linkage block of the utility model;

[0023] Figure 6 It is a three-dimensional structural schematic diagram of the right limit rod of the utility model;

[0024] Figure 7 It is a front cross-sectional structural schematic diagram of the upper rotating box of the utility model;

[0025] Figure 8 For the utility model Figure 1 A in the figure is an enlarged structural diagram.

[0026] In the figure: 1. lower bottom box; 2. first support frame; 3. second support frame; 4. left column frame; 5. right fixed seat; 6. upper rotating box; 7. right bracket; 8. rotating shaft; 9. supporting shaft; 10. left bracket; 11. horizontal plate; 12. L-shaped frame; 13. motor seat; 14. double-axis motor; 15. left gear; 16. linkage sleeve; 17. left rack; 18. first linkage rod; 19. left sleeve frame; 20. left arm; 21. right gear; 22. rack arm; 23. right rack; 24. elastic protrusion; 25. spring; 26. linkage block; 27. semicircular clamping block; 28. stepping motor; 29. ​​worm; 30. worm wheel; 31. supporting sleeve frame; 32. elastic rod; 33. right limit rod; 34. left limit rod; 35. remote controller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Embodiment 1

[0031] See also Figure 1-8The utility model provides an embodiment: a fixture for processing a precision bearing seat, comprising a lower bottom box 1 and a first support frame 2, the first support frame 2 is installed at the center position of the top of the lower bottom box 1, the second support frame 3 is installed at the top of the first support frame 2, the left column frame 4 is installed at the top of the second support frame 3, the right fixed seat 5 is installed on the side of the top of the second support frame 3 away from the left column frame 4, the top of the right fixed seat 5 is provided with an upper rotating box 6, the outer wall of the upper rotating box 6 is movably installed with a right bracket 7, the top of the left column frame 4 is movably installed with a support shaft 9, and the end of the support shaft 9 away from the left column frame 4 is installed with a left support A horizontal plate 11 is installed between the left bracket 10 and the right bracket 7, and one end of the horizontal plate 11 is connected to the left bracket 10, and the other end of the horizontal plate 11 is connected to the right bracket 7. A rotating shaft 8 is movably installed on the outer wall of the upper rotating box 6 close to the right bracket 7, and the rotating shaft 8 is fixedly connected to the right bracket 7. An L-shaped frame 12 is installed on the top of the horizontal plate 11, and a left sleeve frame 19 is installed on the top of the L-shaped frame 12. A left arm 20 is installed on the outer wall of the left sleeve frame 19 close to the L-shaped frame 12. A left limit rod 34 is symmetrically slidably installed inside the left sleeve frame 19, and the left limit rod 34 is connected to the left arm 20.

[0032] A motor seat 13 is installed on the outer wall of the L-shaped frame 12, and a double-axis motor 14 is installed on the top of the motor seat 13. The double-axis motor 14 plays a role of power drive. A left gear 15 is installed on the output end of one side of the double-axis motor 14. A linkage sleeve 16 is installed on the outer wall of the L-shaped frame 12 on the side of the left gear 15. A left rack 17 is slidably installed inside the linkage sleeve 16 on a side close to the left gear 15, and the left rack 17 is meshed with the left gear 15. A first linkage rod 18 is installed on the end of the left rack 17 away from the left gear 15, and the first linkage rod 18 extends to the outside of the left arm 20 and is fixedly connected to the left arm 20;

[0033] A rack arm 22 is slidably mounted on the outer wall of the L-shaped frame 12 on one side of the dual-axis motor 14, a right rack 23 is mounted on the bottom end of the rack arm 22, a right gear 21 is mounted on the output end of the dual-axis motor 14 on one side of the right rack 23, and the right gear 21 is meshed with the right rack 23, a support sleeve 31 is mounted on the top of the rack arm 22 away from the right rack 23, and a semicircular clamp 27 is mounted on the outer wall adjacent to the support sleeve 31 and the left arm 20;

[0034] A linkage block 26 is installed on the side of the top of the rack arm 22 away from the support sleeve 31, a spring 25 is installed on the outer wall of the linkage block 26, a right limit rod 33 is symmetrically installed on the outer wall of the linkage block 26 on one side of the spring 25, and the right limit rod 33 is slidably connected to the L-shaped frame 12, and the right limit rod 33 is connected to the support sleeve 31, an elastic rod 32 is installed on the end of the spring 25 away from the linkage block 26, an elastic protrusion 24 is installed on the end of the elastic rod 32 away from the spring 25, and the elastic protrusion 24 is slidably connected to the support sleeve 31;

[0035] The double-axis motor 14 is started by operating the remote controller 35. Under the support of the motor seat 13, the double-axis motor 14 drives the left gear 15 to rotate. Under the meshing action of the left gear 15 and the left rack 17, the left gear 15 drives the left rack 17 to move. Under the support of the L-shaped frame 12, the left rack 17 slides inside the linkage sleeve 16 to drive the first linkage rod 18 to move. The first linkage rod 18 drives the left limit rod 34 and a group of semicircular clamping blocks 27 to move through the left arm 20. The left limit rod 34 slides inside the left sleeve 19 for limited support. At the same time, the double-axis motor 14 drives the right gear 21 to rotate. Under the meshing action of the right gear 21 and the right rack 23, the right gear 21 drives the right rack 23 to move. The right rack 23 drives the support sleeve 31 to move through the rack arm 22. The support sleeve 31 drives the semicircular clamping block 27 and the right limit rod 33 to move synchronously. The L-shaped frame 12 provides sliding support for the right limit rod 33, the right limit rod 33 drives the linkage block 26 to move, the linkage block 26 drives the spring 25 to move, the spring 25 drives the elastic protrusion 24 to move through the elastic rod 32, and under the elastic cooperation of the spring 25, the elastic protrusion 24 first contacts the precision bearing seat, and when the spring 25 is compressed to the maximum amount, the elastic protrusion 24 slides into the interior of the support sleeve 31, at this time, a group of semicircular clamping blocks 27 on the right side contacts the precision bearing seat, and a group of semicircular clamping blocks 27 on the left side contacts the precision bearing seat, to perform elastic pre-contact clamping and fixing of the precision bearing seat, to reduce the instantaneous rigidity of the precision bearing seat when clamping, to protect the outer wall of the precision bearing seat, to achieve the elastic pre-contact clamping support of the clamp on the precision bearing seat, to reduce the instantaneous rigidity of the precision bearing seat when clamping, and to facilitate the protection of the outer wall of the precision bearing seat clamping;

[0036] A worm gear 30 is installed inside the upper rotating box 6, and the worm gear 30 is fixedly connected to the rotating shaft 8. A worm 29 is installed inside the upper rotating box 6 below the worm gear 30. A stepper motor 28 is installed on the outer wall of the upper rotating box 6 on one side of the worm 29. The stepper motor 28 plays a role of power drive, and the output end of the stepper motor 28 is connected to the worm 29.

[0037] A remote controller 35 is installed on the outer wall of the second support frame 3, and the output end of the remote controller 35 is electrically connected to the input ends of the dual-axis motor 14 and the stepper motor 28;

[0038] The stepper motor 28 is started by operating the remote controller 35. With the support of the right fixed seat 5, the stepper motor 28 drives the worm 29 to rotate. Under the meshing action of the worm 29 and the worm wheel 30, the worm 29 drives the worm wheel 30 to rotate. At the same time, the worm wheel 30 drives the rotating shaft 8 to rotate. The rotating shaft 8 drives the right bracket 7 to rotate. The left column frame 4 movably supports the support shaft 9. The support shaft 9 supports the left bracket 10. The left bracket 10 supports the cross plate 11. The right bracket 7 drives the cross plate 11 to rotate. The cross plate 11 drives the L-shaped frame 12, the left arm 20, and the semicircular clamp 27 to rotate to drive the precision bearing seat to rotate, so as to facilitate multi-angle rotation processing, realize convenient rotation adjustment of the fixture, facilitate multi-angle processing of the precision bearing seat, and increase the processing range of the precision bearing seat.

[0039] Working steps

[0040] Step 1, the left gear 15 is driven to rotate by the dual-axis motor 14, the left gear 15 drives the left rack 17 to move, the left rack 17 slides inside the linkage sleeve 16 to drive the first linkage rod 18 to move, the first linkage rod 18 drives the left limit rod 34 and a group of semicircular clamping blocks 27 to move through the left arm 20, the left limit rod 34 slides inside the left sleeve frame 19 for limited support, and at the same time the dual-axis motor 14 drives the right gear 21 to rotate, the right gear 21 drives the right rack 23 to move, the right rack 23 drives the support sleeve frame 31 to move through the rack arm 22, the support sleeve frame 31 drives the semicircular clamping block 27 and the right limit rod 33 to move synchronously, the right limit rod 33 drives the linkage block 26 to move, the linkage block 26 drives the spring 25 to move, the spring 25 drives the elastic rod 32 to move The protrusion 24 moves, and the elastic protrusion 24 first contacts the precision bearing seat. When the spring 25 is compressed to the maximum amount, the elastic protrusion 24 slides into the interior of the support sleeve 31. At this time, a group of semicircular clamps 27 on the right side contact the precision bearing seat, and a group of semicircular clamps 27 on the left side contact the precision bearing seat to elastically pre-contact clamp and fix the precision bearing seat. The stepper motor 28 drives the worm 29 to rotate, and the worm 29 drives the worm wheel 30 to rotate. At the same time, the worm wheel 30 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the right bracket 7 to rotate. The right bracket 7 drives the cross plate 11 to rotate, and the cross plate 11 drives the L-shaped frame 12, the left arm 20, and the semicircular clamps 27 to rotate to drive the precision bearing seat to rotate, so as to facilitate multi-angle rotation processing and complete the use of the fixture.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixture for machining a precision bearing seat, comprising a lower bottom box and a first support frame, characterized in that: The top of the left supporting scaffold is provided with a left armrest, and the top of the left supporting scaffold is provided with a right armrest, and the top of the right supporting scaffold is provided with a right armrest, and the top of the right supporting scaffold is provided with a left armrest, and the top of the right supporting scaffold is provided with a right armrest, and the top of the right supporting scaffold is provided with a right armrest, and the top of the left supporting scaffold is provided with a right armrest, and the top of the left supporting scaffold is provided with a left ...

2. A fixture for machining a precision bearing seat according to claim 1, characterized in that: A motor seat is installed on the outer wall of the L-shaped frame, a double-axis motor is installed on the top of the motor seat, a left gear is installed on the output end of one side of the double-axis motor, and a linkage sleeve is installed on the outer wall of the L-shaped frame on one side of the left gear.

3. A fixture for machining a precision bearing seat according to claim 2, characterized in that: A left rack is slidably installed inside the side of the linkage sleeve close to the left gear, and the left rack is meshed with the left gear. A first linkage rod is installed at one end of the left rack away from the left gear, and the first linkage rod extends to the outside of the left arm and is fixedly connected to the left arm.

4. A fixture for machining a precision bearing seat according to claim 3, characterized in that: A rack arm is slidably installed on the outer wall of the L-shaped frame on one side of the dual-axis motor, a right rack is installed on the bottom end of the rack arm, a right gear is installed on the output end of the dual-axis motor on the right rack side, and the right gear is meshed with the right rack, a support sleeve is installed on the side of the top of the rack arm away from the right rack, and semicircular clamps are installed on the outer walls adjacent to the support sleeve and the left arm.

5. A fixture for machining a precision bearing seat according to claim 4, characterized in that: A linkage block is installed on the side of the top of the rack arm away from the supporting sleeve, a spring is installed on the outer wall of the linkage block, a right limit rod is symmetrically installed on the outer wall of the linkage block on one side of the spring, and the right limit rod is slidably connected to the L-shaped frame, and the right limit rod is connected to the supporting sleeve.

6. A fixture for machining a precision bearing seat according to claim 5, characterized in that: An elastic rod is installed at one end of the spring away from the linkage block, an elastic convex block is installed at one end of the elastic rod away from the spring, and the elastic convex block is slidably connected with the supporting sleeve frame.

7. The fixture for machining a precision bearing seat according to claim 1, characterized in that: A worm wheel is installed inside the upper rotating box, and the worm wheel is fixedly connected to the rotating shaft. A worm is installed inside the upper rotating box below the worm wheel. A stepper motor is installed on the outer wall of the upper rotating box on one side of the worm, and the output end of the stepper motor is connected to the worm.

8. The fixture for machining a precision bearing seat according to claim 1, characterized in that: A remote controller is installed on the outer wall of the second support frame, and the output end of the remote controller is electrically connected to the input ends of the dual-axis motor and the stepper motor.

Images