Lathe structure for machining bearing inner ring

Abstract

The utility model discloses a lathe structure for machining a bearing inner ring, which comprises a machine base, a mounting plate is fixedly mounted at the top end of the machine base, a fixing block is fixedly mounted on one side of the top end of the mounting plate, an inner ring connecting sleeve is rotatably connected to the side face of the fixing block, and a baffle is fixedly mounted at the top end of the fixing block. A positioning assembly is arranged on the side of the fixing block. The bearing inner ring embedded in the surface of the inner ring connecting sleeve is limited through the positioning assembly, in the bearing inner ring machining process, the stability of the bearing inner ring is improved, the grinding block is driven to move through the X-axis servo moving platform and the Y-axis servo moving platform, the position of the grinding block is convenient to adjust, and the machining efficiency is improved. And meanwhile, the grinding block and the T-axis servo moving platform are fixed through the fixing mechanism, an L-shaped positioning block of the fixing mechanism drives a sliding block to move through rotation of a positive and negative trapezoidal lead screw, the L-shaped positioning block is driven to move through movement of the sliding block, the grinding block is convenient to mount and dismount, and the grinding block is convenient to replace.

Description

Technical Field

[0001] The utility model relates to a lathe structure for processing the inner ring of a bearing, and belongs to the technical field of bearing inner ring processing equipment. Background Art

[0002] During the processing of the inner ring of the bearing, in order to improve the accuracy of the bearing, the inner ring of the bearing needs to be polished. Currently, the inner ring of the bearing is generally processed by a corresponding lathe during the processing.

[0003] During the processing of the lathes currently used for processing bearing inner rings, we found that the design of the infinite position structure of the bearing inner ring affects the accuracy of bearing polishing. At the same time, the polishing grinding block is generally fixed with screws, which affects the convenience of replacing the grinding block. Utility Model Content

[0004] The utility model aims to provide a lathe structure for machining the inner ring of a bearing, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it includes a machine base, a mounting plate is fixedly installed on the top of the machine base, a fixed block is fixedly installed on one side of the top of the mounting plate, the side of the fixed block is rotatably connected with an inner ring connecting sleeve, a baffle is fixedly installed on the top of the fixed block, a positioning assembly is arranged on the side of the fixed block, an X-axis servo moving platform is fixedly installed on one side of the top of the mounting plate, a Y-axis servo moving platform is fixedly installed on the top of the X-axis servo moving platform, a mounting seat is fixedly provided on the top of the Y-axis servo moving platform, a groove is opened on the top of the mounting seat, a fixing assembly is fixedly installed inside the groove, and a grinding block is fixedly provided between the fixing assemblies.

[0006] In the above-mentioned lathe structure for processing the inner ring of a bearing, the positioning assembly includes a rotating block, an L-shaped positioning rod, an electric push rod, a connecting piece and a rotating shaft. The side of the fixed block is rotatably connected with the rotating shaft, one end of the rotating shaft is fixedly installed with a rotating block, and the other end of the rotating shaft is fixedly installed with a connecting piece. The electric push rod is rotatably connected at the corner of the top of the machine base, the telescopic end of the electric push rod is rotatably connected to one end of the connecting piece, and the L-shaped positioning rod is rotatably connected at the corner of the side of the fixed block, and one end of the L-shaped positioning rod is aligned with the position of the rotating block.

[0007] In the above-mentioned lathe structure for processing the inner ring of a bearing, the fixing component includes two L-shaped positioning blocks, a sliding groove is provided at the bottom of the groove, two sliding blocks are slidingly connected inside the sliding groove, and L-shaped positioning blocks are fixedly installed at the top ends of the two sliding blocks. Positioning holes are provided on both sides of the grinding block, and the top ends of the L-shaped positioning blocks are nested and connected with the positioning holes.

[0008] In the above-mentioned lathe structure for processing the inner ring of a bearing, positive and negative trapezoidal screws are rotatably connected to the inner walls of the slide groove on both sides, the two ends of the positive and negative trapezoidal screws are threadedly connected to the middle part of the corresponding slider, and one end of the positive and negative trapezoidal screws passes through the slide groove and is fixedly installed with a knob.

[0009] In the above-mentioned lathe structure for machining the inner ring of a bearing, a driving motor is fixedly mounted on the other side of the fixing block, and the output shaft of the driving motor is fixedly connected to the center of the inner ring connecting sleeve.

[0010] In the above-mentioned lathe structure for processing the inner ring of a bearing, a PLC controller, an X-axis servo moving platform, a Y-axis servo moving platform, an electric push rod and a driving motor are fixedly installed on the side of the machine base, and are all electrically connected to an external power supply through the PLC controller.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The inner ring of the bearing nested in the surface of the inner ring connecting sleeve is limited by the positioning component, which improves the stability of the inner ring of the bearing during the processing of the inner ring of the bearing.

[0013] 2. The grinding block is driven by the X-axis servo mobile platform and the Y-axis servo mobile platform to facilitate the adjustment of the position of the grinding block. At the same time, the grinding block and the T-axis servo mobile platform are fixed by a fixing mechanism. The L-shaped positioning block of the fixing mechanism drives the slider to move through the forward and reverse trapezoidal screw rotation, and the L-shaped positioning block is driven by the movement of the slider, which is convenient for the installation and disassembly of the grinding block and the replacement of the grinding block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a lathe structure for machining a bearing inner ring according to the utility model;

[0015] Figure 2 It is a top view structural schematic diagram of a lathe structure for machining a bearing inner ring according to the utility model;

[0016] Figure 3 It is a side structural schematic diagram of a lathe structure for machining a bearing inner ring according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the grinding block installation structure of a lathe structure for processing the inner ring of a bearing.

[0018] In the figure: 1. Machine base; 2. Mounting plate; 3. Fixed block; 4. Inner ring connecting sleeve; 5. Baffle; 6. Rotating block; 7. L-shaped positioning rod; 8. X-axis servo moving platform; 9. Y-axis servo moving platform; 10. Mounting seat; 11. Electric push rod; 12. Connecting piece; 13. Rotating shaft; 14. Knob; 15. Grinding block; 16. L-shaped positioning block; 17. Slide groove; 18. Positive and negative trapezoidal screw; 19. Slider. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a technical solution for a lathe structure for machining a bearing inner ring:

[0021] according to Figure 1-4 As shown, it includes a machine base 1, a mounting plate 2 is fixedly installed on the top of the machine base 1, a fixed block 3 is fixedly installed on one side of the top of the mounting plate 2, an inner ring connecting sleeve 4 is rotatably connected to the side of the fixed block 3, a baffle 5 is fixedly installed on the top of the fixed block 3, a positioning component is arranged on the side of the fixed block 3, an X-axis servo moving platform 8 is fixedly installed on one side of the top of the mounting plate 2, a Y-axis servo moving platform 9 is fixedly installed on the top of the X-axis servo moving platform 8, a mounting seat 10 is fixedly arranged on the top of the Y-axis servo moving platform 9, a groove is opened on the top of the mounting seat 10, a fixing component is fixedly installed inside the groove, and a grinding block 15 is fixedly arranged between the fixing components.

[0022] according to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the positioning assembly includes a rotating block 6, an L-shaped positioning rod 7, an electric push rod 11, a connecting piece 12 and a rotating shaft 13. The rotating shaft 13 is rotatably connected to the side of the fixed block 3, one end of the rotating shaft 13 is fixedly installed with the rotating block 6, and the other end of the rotating shaft 13 is fixedly installed with the connecting piece 12. The electric push rod 11 is rotatably connected to the corner of the top of the base 1, and the telescopic end of the electric push rod 11 is rotatably connected to one end of the connecting piece 12. The L-shaped positioning rod 7 is rotatably connected to the corner of the side of the fixed block 3, and one end of the L-shaped positioning rod 7 is aligned with the position of the rotating block 6.

[0023] Specifically, the nested bearing inner rings are limited by the L-shaped positioning rods 7, thereby improving the stability of the bearing inner ring processing.

[0024] according to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the fixing assembly includes two L-shaped positioning blocks 16, a slide groove 17 is provided at the bottom of the groove, two sliders 19 are slidably connected inside the slide groove 17, the top of the two sliders 19 are fixedly installed with L-shaped positioning blocks 16, positioning holes are provided on both sides of the grinding block 15, and the top of the L-shaped positioning block 16 is nested and connected with the positioning hole.

[0025] Both sides of the inner wall of the slide slot 17 are rotatably connected with positive and negative trapezoidal screws 18, and the two ends of the positive and negative trapezoidal screws 18 are threadedly connected to the middle of the corresponding slider 19, and one end of the positive and negative trapezoidal screws 18 passes through the slide slot 17 and is fixedly installed with a knob 14.

[0026] Specifically, the knob 14 drives the rotation of the positive and negative trapezoidal screws 18, and the rotation of the positive and negative trapezoidal screws 18 drives the two sliders 19 to move toward the middle or both sides, and the movement of the sliders 19 drives the movement of the L-shaped positioning block 16, and the movement of the L-shaped positioning block 16 makes the L-shaped positioning block 16 and the grinding block 15 nested and separated, so as to facilitate the installation and disassembly of the grinding block 15.

[0027] A driving motor is fixedly mounted on the other side of the fixing block 3 , and an output shaft of the driving motor is fixedly connected to the center of the inner ring connecting sleeve 4 .

[0028] Specifically, the inner ring connecting sleeve 4 is driven to rotate by a driving motor.

[0029] A PLC controller, an X-axis servo moving platform 8, a Y-axis servo moving platform 9, an electric push rod 11 and a driving motor are fixedly mounted on the side of the machine base 1, and are all electrically connected to an external power supply through the PLC controller.

[0030] Working principle: The utility model provides a lathe structure for processing the inner ring of a bearing. When the lathe structure is used to process the inner ring of the bearing, the inner ring of the bearing is firstly nested in the surface of the inner ring connecting sleeve 4, and then the electric push rod 11 is turned on, and the electric push rod 11 is used to push the rotation of the connecting member 12, and the connecting member 12 drives the rotating shaft 13 to rotate, and the rotation of the rotating shaft 13 drives the rotating block 6 to rotate, and the rotation of the rotating block 6 drives the L-shaped positioning rod 7 to rotate, so that one end of the L-shaped positioning rod 7 is infinitely close to the surface of the inner ring of the bearing, and then the X-axis servo moving platform 8 and the Y-axis servo moving platform 9 are turned on, and the grinding block 15 is driven by the X-axis servo moving platform 8 and the Y-axis servo moving platform 9. Position adjustment, when adjusted to the set position, turn on the drive motor to drive the inner ring connecting sleeve 4 to rotate through the drive motor. When the grinding block 15 needs to be replaced, manually turn the knob 14 to drive the positive and negative trapezoidal screws 18 to rotate through the knob 14, and drive the two sliders 19 to separate through the rotation of the positive and negative trapezoidal screws 18. Drive the L-shaped positioning block 16 and the grinding block 15 to separate through the separation of the sliders 19, and then replace the new grinding block 15, and then rotate the knob 14 in the opposite direction, and drive the positive and negative trapezoidal screws 18 to rotate in the opposite direction through the reverse rotation of the knob 14, so that the two L-shaped positioning blocks 16 are nested and fixed on both sides of the grinding block 15 to complete the replacement of the grinding block 15.

[0031] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A lathe structure for machining a bearing inner ring, comprising a machine base (1), characterized in that: A mounting plate (2) is fixedly mounted on the top of the machine base (1), a fixed block (3) is fixedly mounted on one side of the top of the mounting plate (2), an inner ring connecting sleeve (4) is rotatably connected to the side of the fixed block (3), a baffle (5) is fixedly mounted on the top of the fixed block (3), a positioning assembly is arranged on the side of the fixed block (3), an X-axis servo movable platform (8) is fixedly mounted on one side of the top of the mounting plate (2), a Y-axis servo movable platform (9) is fixedly mounted on the top of the X-axis servo movable platform (8), a mounting seat (10) is fixedly mounted on the top of the Y-axis servo movable platform (9), a groove is provided at the top of the mounting seat (10), a fixed assembly is fixedly mounted inside the groove, and a grinding block (15) is fixedly mounted between the fixed assemblies.

2. A lathe structure for machining a bearing inner ring according to claim 1, characterized in that: The positioning assembly comprises a rotating block (6), an L-shaped positioning rod (7), an electric push rod (11), a connecting piece (12) and a rotating shaft (13); the side of the fixed block (3) is rotatably connected to the rotating shaft (13); one end of the rotating shaft (13) is fixedly mounted with the rotating block (6); the other end of the rotating shaft (13) is fixedly mounted with the connecting piece (12); the electric push rod (11) is rotatably connected to the corner of the top of the base (1); the telescopic end of the electric push rod (11) is rotatably connected to one end of the connecting piece (12); the corner of the side of the fixed block (3) is rotatably connected to the L-shaped positioning rod (7); one end of the L-shaped positioning rod (7) is aligned with the rotating block (6).

3. The lathe structure for machining a bearing inner ring according to claim 1, characterized in that: The fixing assembly comprises two L-shaped positioning blocks (16), a sliding groove (17) is provided at the bottom of the groove, two sliding blocks (19) are slidably connected inside the sliding groove (17), the top ends of the two sliding blocks (19) are fixedly mounted with L-shaped positioning blocks (16), positioning holes are provided on both sides of the grinding block (15), and the top ends of the L-shaped positioning blocks (16) are nested and connected with the positioning holes.

4. A lathe structure for machining a bearing inner ring according to claim 3, characterized in that: Both sides of the inner wall of the slide groove (17) are rotatably connected with positive and negative trapezoidal screws (18), the two ends of the positive and negative trapezoidal screws (18) are threadedly connected to the middle of the corresponding slider (19), and one end of the positive and negative trapezoidal screws (18) passes through the slide groove (17) and is fixedly installed with a knob (14).

5. The lathe structure for machining a bearing inner ring according to claim 1, characterized in that: A drive motor is fixedly mounted on the other side of the fixed block (3), and the output shaft of the drive motor is fixedly connected to the center of the inner ring connecting sleeve (4).

6. A lathe structure for machining a bearing inner ring according to claim 1, characterized in that: A PLC controller, an X-axis servo mobile platform (8), a Y-axis servo mobile platform (9), an electric push rod (11) and a drive motor are fixedly mounted on the side of the machine base (1), and are all electrically connected to an external power supply via the PLC controller.

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