Automatic precision machining device for bearing outer ring

Abstract

The automatic precision machining device for the bearing outer ring comprises a workbench, a support is arranged at the lower end of the workbench, a conveying mechanism is arranged on the left side of the upper end of the workbench, and a bearing body is installed in the middle of the upper end of the workbench through a grinding station. A clamping mechanism is fixedly connected to the rear side of the upper end of the workbench, a supporting frame is fixedly connected to the right side of the upper end of the workbench, and a grinding mechanism is detachably connected to the upper end of the supporting frame. By arranging the conveying mechanism, the bearing outer rings can be automatically fed by the equipment, and the bearings do not need to be manually placed, so that the labor intensity of workers is greatly reduced, and the use safety is improved; and meanwhile, through the arranged clamping mechanism, the machining efficiency of the bearing outer ring can be remarkably improved, the stability of the bearing is improved, and the situation that deviation and dislocation are likely to happen when an existing device is used for machining the bearing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing outer ring processing, in particular to an automatic precision processing device for a bearing outer ring. Background Art

[0002] The background technology of the automatic precision machining device for the outer ring of the bearing involves the bearing as an important component in mechanical equipment, whose main function is to support the mechanical rotating body, reduce the friction coefficient during movement, and ensure the rotation accuracy. The outer ring of the bearing is one of the key components that determine the performance of the bearing, and its machining accuracy directly affects the performance and life of the bearing. With the continuous innovation of science and technology and the rapid development of the machinery industry, the service environment of the bearing has become more complex, and higher requirements have been put forward for the speed, load, life and design of the bearing. In addition, the ultra-precision machining technology of the working surface of the bearing is of great significance to improving the bearing accuracy and extending the bearing life;

[0003] Patent CN108972113A discloses an automated processing device and processing method for the outer ring of a bearing, in which the outer ring of the bearing is processed by a processing head. The outer ring of the bearing is clamped by a clamping cylinder and driven to move to the left by a translation cylinder. When the clamping cylinder moves to the upper right end of the receiving platform, it continues to move to the left, thereby pushing the outer ring of the bearing on the receiving platform to the left by the outer diameter of at least one bearing outer ring through the claw. When the leftmost outer ring of the bearing on the receiving platform touches the limit frame at the left end of the receiving platform, the push cylinder drives the push plate to move backward, thereby pushing the outer ring of the bearing on the receiving platform into the storage platform in an orderly manner for storage.

[0004] At present, in the traditional bearing processing process, workers need to manually place the outer ring of the bearing on the workbench, process it through the processing motor, and then manually remove it and stack and store it. This operation method is labor-intensive and has safety hazards. In order to improve processing efficiency and accuracy, reduce labor costs and operation risks, the demand for automated precision processing equipment is growing. Utility Model Content

[0005] The purpose of the utility model is to provide an automated precision machining device for bearing outer rings, so as to solve the problem proposed in the above background technology that workers need to manually place the bearing outer rings on a workbench, process them through a processing motor, and then manually remove them and stack and store them, and such an operation method is labor-intensive and has potential safety hazards.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automated precision machining device for a bearing outer ring, comprising a workbench, a bracket is arranged at the lower end of the workbench, a conveying mechanism is arranged at the left side of the upper end of the workbench, a bearing body is installed at the middle part of the upper end of the workbench through a grinding station, a clamping mechanism is fixedly connected to the rear side of the upper end of the workbench, a support frame is fixedly connected to the right side of the upper end of the workbench, a grinding mechanism is detachably connected to the upper end of the support frame, and a controller is fixedly connected to the right side of the upper end of the workbench;

[0007] The conveying mechanism includes a conveying frame, the lower end of the conveying frame is fixedly connected to the left side of the upper end of the workbench, the right side of the conveying frame is fixedly connected to a material guide frame, the front end of the material guide frame is bolted with a mounting plate, the front end of the mounting plate is detachably connected to a feeding cylinder, the telescopic end of the feeding cylinder is fixedly connected to a pushing head, the left side of the front end of the conveying frame is detachably connected to a motor 1, the output shaft of the motor 1 is drivingly connected to a conveying roller, the outer wall of the conveying roller is sleeved with a conveyor belt, and one side of the inner wall of the conveying frame is fixedly connected to a material guide plate.

[0008] Preferably, the lower end of the workbench is fixedly connected to the upper end of the bracket, and the left side of the upper end of the workbench is fixedly connected to the lower end of the conveying mechanism.

[0009] Preferably, the clamping mechanism includes a slide, the lower end of the slide is fixedly connected to the rear side of the upper end of the workbench, the inner wall of the slide is provided with a sliding groove, guide rods are provided on both sides of the inner wall of the sliding groove, the left side of the slide is detachably connected to motor 2, the output shaft of motor 2 is transmission-connected to a screw, the outer wall of the screw is threadedly connected to a movable block, the front end of the movable block is fixedly connected to an arc-shaped clamping plate, and a rubber pad is bonded to the side where the two arc-shaped clamping plates are close to each other.

[0010] Preferably, the inner wall of the slide table is embedded and connected with the outer wall of the slide groove, and the two sides of the inner wall of the slide groove are fixedly connected with the two sides of the guide rod.

[0011] Preferably, the grinding mechanism includes a hydraulic cylinder, the lower end of the hydraulic cylinder is fixedly connected to the upper end of the support frame, the telescopic end of the hydraulic cylinder is provided with a hydraulic rod, the lower end of the hydraulic rod is provided with a mounting frame, the inner cavity bottom wall of the mounting frame is detachably connected to motor three, the lower end of motor three is transmission connected to a shell, the inner wall of the shell is provided with a clamping groove, the inner cavity top wall of the clamping groove is movably connected to a turntable, the lower end of the turntable is abutted by a spring, the inner wall of the clamping groove is clamped with a clamping block, the lower end of the clamping block is rotatably connected to a turntable, the lower end of the turntable is fixedly connected to grinding rods around the lower end of the turntable, and a pressing groove is provided in the middle part of the turntable.

[0012] Preferably, the lower end of the hydraulic cylinder is fixedly connected to the upper end of the hydraulic rod, and the lower end of the hydraulic rod is bolted to the upper end of the mounting frame.

[0013] Preferably, the number of the clamping blocks is consistent with the number of grinding rods, the height of the clamping blocks is not higher than the height of the turntable, the grinding rods have the same dimensions except for different roughness, the grinding rods are located on the same circumference, the number of the grinding rods is four, and the angle between the grinding rods is ninety degrees.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting up the conveying mechanism, the equipment can automatically load the outer ring of the bearing, without the need for manual placement of the bearing, which greatly reduces the labor intensity of the staff and improves the safety of use; at the same time, by setting up the clamping mechanism, the equipment can significantly improve the processing efficiency of the outer ring of the bearing, improve the stability of the bearing, and avoid the existing device that is prone to offset and dislocation when processing the bearing;

[0016] 2. By setting up the grinding mechanism, the equipment can switch grinding rods of different roughness according to different bearing sizes, so as to realize the grinding of the outer ring of the bearing from coarse to fine. The switching process does not require the removal of the grinding rod, which reduces the operation steps, improves the processing efficiency, removes burrs, improves the grinding quality, and increases the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the conveying mechanism of the utility model;

[0019] Figure 3 It is a detailed structural diagram of the conveying mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0021] Figure 5 This is a schematic diagram of the grinding mechanism structure of the utility model;

[0022] Figure 6 It is a side view of the three-dimensional structure of the utility model.

[0023] In the figure: 1. workbench; 2. bracket; 3. conveying mechanism; 4. grinding station; 5. bearing body; 6. clamping mechanism; 7. support frame; 8. grinding mechanism; 9. controller; 31. conveying frame; 32. guide frame; 33. mounting plate; 34. feeding cylinder; 35. push head; 36. motor 1; 37. conveying roller; 38. conveyor belt; 39. guide plate; 61. slide; 62. sliding groove; 63. guide rod; 64. motor 2; 65. screw rod; 66. movable block; 67. arc clamp; 68. rubber pad; 81. hydraulic cylinder; 82. hydraulic rod; 83. mounting frame; 84. motor 3; 85. housing; 86. clamping groove; 87. turntable; 88. spring; 89. clamping block; 810. turntable; 811. grinding rod; 812. pressing groove. DETAILED DESCRIPTION

[0024] 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 in 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.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The utility model provides a technical solution: an automatic precision machining device for a bearing outer ring, comprising a workbench 1, a bracket 2 is arranged at the lower end of the workbench 1, a conveying mechanism 3 is arranged on the left side of the upper end of the workbench 1, and the conveying mechanism 3 enables the equipment to automatically load the bearing outer ring without manual placement of the bearing, which greatly reduces the labor intensity of the staff and improves the safety of use. A bearing body 5 is installed at the middle part of the upper end of the workbench 1 through a grinding station 4, and a clamping mechanism 6 is fixedly connected to the rear side of the upper end of the workbench 1. The clamping mechanism 6 enables the equipment to significantly improve The processing efficiency of the outer ring of the bearing is improved, the stability of the bearing is improved, and the displacement and dislocation that are easy to occur when the existing device processes the bearing are avoided. A support frame 7 is fixedly connected to the upper right side of the workbench 1, and a grinding mechanism 8 is detachably connected to the upper end of the support frame 7. The grinding mechanism 8 enables the equipment to switch grinding rods of different roughness according to different bearing sizes to achieve the grinding of the outer ring of the bearing from coarse to fine. The switching process does not require the removal of the grinding rod, which reduces the operation steps, improves the processing efficiency, removes burrs, has good grinding quality, and high production efficiency. A controller 9 is fixedly connected to the upper right side of the workbench 1;

[0026] The conveying mechanism 3 includes a conveying frame 31, the lower end of the conveying frame 31 is fixedly connected to the upper left side of the workbench 1, and a guide frame 32 is fixedly connected to the right side of the conveying frame 31. A mounting plate 33 is bolted to the front end of the guide frame 32, and a feeding cylinder 34 is detachably connected to the front end of the mounting plate 33. A pusher head 35 is fixedly connected to the telescopic end of the feeding cylinder 34. A motor 36 is detachably connected to the left side of the front end of the conveying frame 31, and a conveying roller 37 is connected to the output shaft of the motor 36. A conveyor belt 38 is sleeved on the outer wall of the conveying roller 37. The conveyor belt 38 is tensioned and rotated with the conveyor roller 37, so that the conveyor belt 38 is transported from left to right. A guide plate 39 is fixedly connected to one side of the inner wall of the conveying frame 31.

[0027] The lower end of the workbench 1 is fixedly connected to the upper end of the bracket 2 , and the left side of the upper end of the workbench 1 is fixedly connected to the lower end of the conveying mechanism 3 .

[0028] See also Figure 2 and Figure 3 In order to automatically transfer the bearing body 5 in the conveyor frame 31, the clamping mechanism 6 includes a slide 61, the lower end of the slide 61 is fixedly connected to the upper rear side of the workbench 1, and the inner wall of the slide 61 is provided with a sliding groove 62. The stroke of the slide 61 is equal to the length distance of the workbench 1, which is convenient for clamping and fixing the bottom of the bearing body 5 of different sizes. Guide rods 63 are provided on both sides of the inner wall of the sliding groove 62. The left side of the slide 61 is detachably connected to the motor 2 64, and the output shaft of the motor 2 64 is connected to the screw rod 65. The screw rod 65 is connected to the output shaft of the motor 2 The outer wall of the rod 65 is threadedly connected with a movable block 66, and the front end of the movable block 66 is fixedly connected with an arc clamping plate 67, which is extended toward the grinding station 4, and the end of the arc clamping plate 67 is an arc-shaped claw-like structure, which can contact and fit with the outer wall of the bearing body 5. The two arc clamping plates 67 are bonded with a rubber pad 68 on one side close to each other. The rubber pad 68 is made of rubber material, which can reduce the wear of the arc clamping plate 67 when clamping and fixing the outer ring of the bearing body 5, thereby increasing the service life of the arc clamping plate 67;

[0029] The inner wall of the slide table 61 is embedded and connected with the outer wall of the slide groove 62 , and the two sides of the inner wall of the slide groove 62 are fixedly connected with the two sides of the guide rod 63 .

[0030] See also Figure 4 and Figure 5In order to quickly fix the bearing body 5 on the workbench 1 and grind it, the grinding mechanism 8 includes a hydraulic cylinder 81, the lower end of the hydraulic cylinder 81 is fixedly connected to the upper end of the support frame 7, the telescopic end of the hydraulic cylinder 81 is provided with a hydraulic rod 82, the lower end of the hydraulic rod 82 is provided with a mounting frame 83, the inner cavity bottom wall of the mounting frame 83 is detachably connected with a motor 3 84, the lower end of the motor 3 84 is transmission-connected with a housing 85, the housing 85 is cylindrical, and the lower end of the housing 85 is provided with an opening, the housing The inner wall of the body 85 is provided with a clamping groove 86, and the inner cavity top wall of the clamping groove 86 is movably connected with a turntable 87, and the lower end of the turntable 87 is abutted with a spring 88. The inner wall of the clamping groove 86 is clamped with a clamping block 89, and the lower end of the clamping block 89 is rotatably connected with a turntable 810, and the upper surface of the turntable 810 is flush with the opening of the housing 85, and the shape of the turntable 810 is circular, and the lower end of the turntable 810 is fixedly connected with a grinding rod 811, and the middle part of the turntable 810 is provided with a pressing groove 812;

[0031] The lower end of the hydraulic cylinder 81 is fixedly connected to the upper end of the hydraulic rod 82, and the lower end of the hydraulic rod 82 is bolted to the upper end of the mounting frame 83;

[0032] The number of the clamping blocks 89 is consistent with the number of the grinding rods 811. The height of the clamping block 89 is not higher than the height of the turntable 810. Except for the different roughness, the other dimensions of the grinding rods 811 are the same. The grinding rods 811 are located on the same circumference. There are four grinding rods 811, and the angle between the grinding rods 811 is ninety degrees.

[0033] Working principle: First, the bearing body 5 is placed or conveyed to the conveyor belt 38 by the staff or the existing relevant conveying bearing equipment, and the starting motor 36 is controlled to start. The output shaft of the motor 36 can drive the conveying roller 37 to rotate. The conveying roller 37 is respectively arranged on both sides of the inside of the conveying frame 31, and both sides of the conveying roller 37 extend into the conveying frame 31 through bearings, which is convenient for rotating the conveying roller 37. The setting of the guide plate 39 can avoid the bearing body 5 from tipping over when it is conveyed into the guide frame 32. After the bearing body 5 is conveyed into the guide frame 32, the controller 9 controls the feeding cylinder 34 to work. The telescopic end of the feeding cylinder 34 drives the push head 35 to move, so as to push the bearing body 5 into the grinding station 4. Then, the motor 2 64 is started by controlling, and the output shaft of the motor 2 64 drives the screw rod 65 extending into the sliding groove 62 to rotate. The threads on the outer surface of the screw rod 65 are arranged relatively, and the outer thread of the screw rod 65 is adapted to the inner thread of the movable block 66, so that the movable block 66 can move synchronously relative to or oppositely along the surfaces of the two guide rods 63. Then, the movable block 66 moves horizontally with the arc clamping plate 67, and the arc clamping plate 67 clamps and fixes the bearing body 5 in the grinding station 4, and the end of the arc clamping plate 67 matches with the outer ring of the bearing.

[0034] After reaching the grinding station 4 through the bearing body 5, adjust the appropriate grinding rod 811 according to the use requirements, match the clamping block 89 on the turntable 810 with the clamping groove 86 in the shell 85 to complete the installation, then control the hydraulic cylinder 81 to start, and push the mounting frame 83 and the shell 85 at the lower end to descend through the hydraulic rod 82, so that the grinding rod 811 fits the outer ring of the bearing body 5, and then control the motor three 84 to start, and the motor three 84 drives the shell 85 to rotate to achieve the grinding of its outer ring. Two sets of pressing grooves 812 are provided on the turntable 810, which are convenient for workers to insert their fingers into the pressing grooves 812 to press and rotate the turntable 810 to disassemble it. The setting of the spring 88 can increase the tension between the turntable 810 and the turntable 87. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated precision machining device for a bearing outer ring, comprising a workbench (1), characterized in that: A bracket (2) is provided at the lower end of the workbench (1), a conveying mechanism (3) is provided at the left side of the upper end of the workbench (1), a bearing body (5) is installed at the middle part of the upper end of the workbench (1) through a grinding station (4), a clamping mechanism (6) is fixedly connected to the rear side of the upper end of the workbench (1), a support frame (7) is fixedly connected to the right side of the upper end of the workbench (1), a grinding mechanism (8) is detachably connected to the upper end of the support frame (7), and a controller (9) is fixedly connected to the right side of the upper end of the workbench (1); The conveying mechanism (3) comprises a conveying frame (31), the lower end of the conveying frame (31) is fixedly connected to the left side of the upper end of the workbench (1), the right side of the conveying frame (31) is fixedly connected to a material guide frame (32), the front end of the material guide frame (32) is bolted to a mounting plate (33), the front end of the mounting plate (33) is detachably connected to a feeding cylinder (34), the telescopic end of the feeding cylinder (34) is fixedly connected to a push head (35), the left side of the front end of the conveying frame (31) is detachably connected to a motor 1 (36), the output shaft of the motor 1 (36) is drivingly connected to a conveying roller (37), the outer wall of the conveying roller (37) is sleeved with a conveyor belt (38), and one side of the inner wall of the conveying frame (31) is fixedly connected to a material guide plate (39).

2. The automatic precision machining device for bearing outer ring according to claim 1, characterized in that: The lower end of the workbench (1) is fixedly connected to the upper end of the bracket (2), and the left side of the upper end of the workbench (1) is fixedly connected to the lower end of the conveying mechanism (3).

3. The automatic precision machining device for bearing outer ring according to claim 1, characterized in that: The clamping mechanism (6) comprises a slide (61), the lower end of the slide (61) is fixedly connected to the rear side of the upper end of the workbench (1), the inner wall of the slide (61) is provided with a sliding groove (62), and guide rods (63) are provided on both sides of the inner wall of the sliding groove (62). The left side of the slide (61) is detachably connected to a second motor (64), the output shaft of the second motor (64) is transmission-connected to a screw rod (65), the outer wall of the screw rod (65) is threadedly connected to a movable block (66), the front end of the movable block (66) is fixedly connected to an arc-shaped clamping plate (67), and a rubber pad (68) is bonded to the side where the two arc-shaped clamping plates (67) are close to each other.

4. The automatic precision machining device for bearing outer ring according to claim 3, characterized in that: The inner wall of the slide table (61) is embedded and connected with the outer wall of the slide groove (62), and the two sides of the inner wall of the slide groove (62) are fixedly connected with the two sides of the guide rod (63).

5. The automatic precision machining device for bearing outer ring according to claim 1, characterized in that: The grinding mechanism (8) comprises a hydraulic cylinder (81), the lower end of the hydraulic cylinder (81) is fixedly connected to the upper end of the support frame (7), the telescopic end of the hydraulic cylinder (81) is provided with a hydraulic rod (82), the lower end of the hydraulic rod (82) is provided with a mounting frame (83), the inner cavity bottom wall of the mounting frame (83) is detachably connected to a motor three (84), the lower end of the motor three (84) is transmission-connected to a housing (85), and the inner wall of the housing (85) is provided with a A clamping groove (86) is provided, the inner cavity top wall of the clamping groove (86) is movably connected to a turntable (87), the lower end of the turntable (87) is abutted against a spring (88), the inner wall of the clamping groove (86) is clamped with a clamping block (89), the lower end of the clamping block (89) is rotatably connected to a turntable (810), the lower end of the turntable (810) is fixedly connected to a grinding rod (811), and a pressing groove (812) is provided in the middle of the turntable (810).

6. The automatic precision machining device for bearing outer ring according to claim 5, characterized in that: The lower end of the hydraulic cylinder (81) is fixedly connected to the upper end of the hydraulic rod (82), and the lower end of the hydraulic rod (82) is bolted to the upper end of the mounting frame (83).

7. The automatic precision machining device for bearing outer ring according to claim 5, characterized in that: The number of the clamping blocks (89) is consistent with the number of the grinding rods (811); the height of the clamping blocks (89) is not higher than the height of the turntable (810); the grinding rods (811) are the same in size except for the different roughness; the grinding rods (811) are located on the same circumference; the number of the grinding rods (811) is four; and the angle between the grinding rods (811) is ninety degrees.

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