Cylindrical roller bearing inner ring raceway grinding machine
By setting six clamping structures and a six-position divider driven by a servo motor on the inner ring raceway grinding machine of cylindrical roller bearings, automated grinding and position switching of the bearing inner ring are realized, solving the problem of low efficiency in the existing technology and improving processing efficiency.
Patent Information
- Application Number
- CN202422987736.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing cylindrical roller bearing inner ring raceway grinders require a single grinding tool to operate on a single bearing inner ring during the grinding process, resulting in a long time consumption and low efficiency.
Design a grinding machine for the inner raceway of cylindrical roller bearings. The inner raceway of the bearing is held on a rotating plate by a six-clamping structure. After grinding by the grinding structure, the inner raceway of the bearing is automatically rotated and its position switched by a six-station divider driven by a servo motor and a reducer, thus realizing the automated operation of loading and unloading.
It improves the processing efficiency of bearing inner ring grinding, reduces manual operation time, and realizes automated loading and unloading processes.
Smart Images

Figure CN223466050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing production technical field especially relates to a cylindrical roller bearing inner raceway grinding machine. BACKGROUND
[0002] Cylindrical roller bearing is a kind of commonly used rolling bearing type, mainly used for carrying radial load, but in some cases, it can also bear certain axial load, and the structural feature is that the rolling element is cylindrical roller, and the roller and raceway are in line contact, so it has high radial load capacity and high rigidity, in the production process of cylindrical roller bearing, the raceway of bearing inner ring needs to be polished to ensure the smoothness of raceway.
[0003] There are still some problems in the use process of the existing cylindrical roller bearing inner raceway grinding machine, in the polishing process, a single polishing tool is needed to polish a single bearing inner ring, after polishing, the bearing inner ring is taken down, and then a new bearing inner ring is installed for polishing, which consumes more time, therefore, the technical personnel in the art provides a cylindrical roller bearing inner raceway grinding machine to solve the problems in the above background technology. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a cylindrical roller bearing inner raceway grinding machine, six clamping structures are arranged on the rotating plate, the six clamping structures clamp the bearing inner rings respectively during use, and then the rear bearing inner rings are polished by the polishing structure, after polishing, the servo motor body is started by control, the servo motor body drives the speed reducer body to start, after deceleration, the six-station divider is started, the rotating plate is driven to rotate, the polished bearing inner rings are moved to the position of the unpolished bearing inner rings on one side, and the unpolished bearing inner rings on the other side are moved to the front end of the polishing structure for polishing, the polished bearing inner rings are taken down during polishing, and the unpolished bearing inner rings are clamped by the clamping structure again, so that the feeding and discharging are carried out during polishing, thereby improving the processing efficiency.
[0005] To achieve the above object, the utility model provides the following technical scheme: a cylindrical roller bearing inner raceway grinding machine, including bottom plate, frame, control box and polishing structure, the frame is arranged at the upper end face center rear of bottom plate, the control box is arranged at the center upper wall of frame one side, the polishing structure is arranged at the center upper end face of frame front, the upper end face center front of bottom plate is fixedly connected with support, the upper end face of support inside bottom plate is fixedly connected with driving structure, the upper end face of support is rotatably connected with rotating plate, the upper end face edge of rotating plate is circularly arranged with six storage grooves, six storage grooves are internally equipped with clamping structure;
[0006] Through the technical scheme, six unpolished bearing inner rings are clamped by the six clamping structures, polishing is performed by the polishing structure, after polishing is completed, the rotating plate is driven to rotate by one sixth by the driving structure, the polished bearing inner ring is moved to the position of the unpolished bearing inner ring at one side, and the unpolished bearing inner ring at the other side is moved to the front end of the polishing structure to be polished, the polished bearing inner ring is taken down during polishing, the unpolished bearing inner ring is clamped by the clamping structure again, and feeding and discharging are performed during polishing, so that the processing efficiency is improved.
[0007] Further, the clamping structure comprises a first micro servo motor fixedly connected to the lower inner wall of the storage tank, a micro speed reducer provided at the output end of the first micro servo motor, a base fixedly connected to the output end of the micro speed reducer, four sliding grooves arranged in a rectangular shape on the upper end face of the base, four second micro servo motors fixedly connected to the inner side walls of the four sliding grooves, four lead screws fixedly connected to the output ends of the four second micro servo motors, four sliding blocks threadedly sleeved to the outer side walls of the four lead screws, and four clamping blocks fixedly connected to the upper end faces of the four sliding blocks.
[0008] Through the technical scheme, the four second micro servo motors are controlled to start, the four lead screws are driven to rotate by the four second micro servo motors, the four sliding blocks are moved along the four sliding grooves, the bearing inner ring is clamped, different diameters of bearing inner rings can be adapted, and in the polishing process, the first micro servo motor is controlled to start, the micro speed reducer is driven to start by the first micro servo motor, and the base is driven to rotate by the micro speed reducer, so that omnidirectional polishing is facilitated.
[0009] Further, four arc surfaces are formed in the outer side walls of the four clamping blocks.
[0010] Through the technical scheme, the four arc surfaces are attached to the inner side walls of the bearing inner rings, the bearing inner rings are more attached, and the clamping stability is improved.
[0011] Further, four push plates are fixedly connected to the lower center portions of the outer side walls of the four sliding blocks, four leakage holes are formed in the lower inner side walls of the other ends of the four sliding grooves, the four leakage holes penetrate the inner side walls of the four sliding grooves to the outer side walls of the base, and the four push plates are slidingly connected to the interiors of the four leakage holes.
[0012] Through the technical scheme, after polishing is completed, the four second micro servo motors are controlled to start, the four lead screws are driven to rotate by the four second micro servo motors, the four sliding blocks are moved along the four sliding grooves to one end, the debris is pushed to one side by the four push plates, the debris is discharged through the four leakage holes, and the debris falling into the sliding grooves is cleaned.
[0013] Further, the driving structure comprises a servo motor body, an output end of the servo motor body is provided with a speed reducer body, the speed reducer body is fixedly connected on the upper end face of the servo motor body, and an input end is fixedly connected between the output end of the servo motor body, the output end of the speed reducer body is provided with a six-station divider, the six-station divider is fixedly connected on the upper end face of the speed reducer body, and an input end is fixedly connected between the output end of the speed reducer body, and the output end of the six-station divider is fixedly connected on the lower end face of the rotating plate.
[0014] Through the above technical scheme, the servo motor body is started, the servo motor body drives the speed reducer body to start, the six-station divider is started after being decelerated, the six-station divider drives the rotating plate to rotate, the polished bearing inner ring is moved to the position of the unpolished bearing inner ring on one side, the unpolished bearing inner ring on the other side is moved to the front end of the polishing structure for polishing, the polished bearing inner ring is taken down during polishing, the unpolished bearing inner ring is clamped by the clamping structure again, and feeding and discharging are carried out during the polishing process, so that the processing efficiency is improved.
[0015] Further, the shape of the rotating plate is a circular plate.
[0016] Through the above technical scheme, the distance between the six clamping structures and the rotating plate is always equal, and repositioning is not needed during polishing.
[0017] The utility model has the advantages of the following beneficial effects:
[0018] 1、 the utility model discloses a cylindrical roller bearing inner raceway grinding machine sets up six clamping structures on the rotating plate, clamps the bearing inner ring on six clamping structures respectively during use, and then polishes the bearing inner ring at the rear position through the polishing structure, after polishing, the servo motor body is started, the servo motor body drives the speed reducer body to start, the six-station divider is started after being decelerated, the six-station divider drives the rotating plate to rotate, the polished bearing inner ring is moved to the position of the unpolished bearing inner ring on one side, the unpolished bearing inner ring on the other side is moved to the front end of the polishing structure for polishing, the polished bearing inner ring is taken down during polishing, the unpolished bearing inner ring is clamped by the clamping structure again, and feeding and discharging are carried out during the polishing process, so that the processing efficiency is improved.
[0019] 2. The utility model discloses a four second micro -servo motor is started through the control, and four second micro -servo motor drives four screw rods to rotate to make four sliding blocks move along four sliding grooves, and the bearing inner race is clamped, and four cambered surfaces are pasted on the inner side wall of bearing inner race, and it is convenient for adapting the bearing inner race of different diameters, and in the polishing process, through the control first micro -servo motor starts, and first micro -servo motor drives micro -speed reducer to start, and micro -speed reducer drives the base to rotate again, thereby facilitating all -round polishing.
[0020] 3. The utility model discloses in the polishing process, the chippings are inevitable to fall in the sliding groove inside, inconveniently clean, after polishing, through the control four second micro -servo motor starts, and four second micro -servo motor drives four screw rods to rotate to make four sliding blocks move along four sliding grooves to one end, and through four push -in plates, the chippings are pushed to one side, and then are discharged through four leakage holes, and then clean the chippings, and it is convenient to handle the chippings that fall in the sliding groove. DRAWINGS
[0021] Figure 1 It is a perspective view of the cylindrical roller bearing inner raceway grinding machine proposed in the utility model;
[0022] Figure 2 It is a side sectional view of the cylindrical roller bearing inner raceway grinding machine proposed in the utility model;
[0023] Figure 3 It is a plan view of the base of the cylindrical roller bearing inner raceway grinding machine proposed in the utility model;
[0024] Figure 4 It is a perspective view of the base of the cylindrical roller bearing inner raceway grinding machine proposed in the utility model.
[0025] Legend:
[0026] 1, bottom plate, 2, support, 3, clamping structure, 301, first micro -servo motor, 302, micro -speed reducer, 303, base, 304, sliding groove, 305, second micro -servo motor, 306, screw rod, 307, sliding block, 308, push -in plate, 309, clamping block, 310, cambered surface, 311, leakage hole, 4, rotating plate, 5, polishing structure, 6, rack, 7, control box, 8, storage groove, 9, drive structure, 901, servo motor body, 902, speed reducer body, 903, six station divider. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0028] With reference to Figures 1-4 The utility model provides an embodiment: a cylindrical roller bearing inner raceway grinding machine, including bottom plate 1, frame 6, control box 7 and polishing structure 5, frame 6 sets up in the upper end face center rear of bottom plate 1, control box 7 sets up in the center upper of frame 6 one side wall, polishing structure 5 sets up in the upper end face center upper of frame 6 front, the upper end face center front of bottom plate 1 is fixedly connected with support 2, the upper end face of support 2 is fixedly connected with drive structure 9 in bottom plate 1 inside, support 2 upper end surface rotationally connected has the turn -plate 4, the turn -plate 4 upper end surface edge place is circularly arranged and is equipped with six storage grooves 8, six storage grooves 8 inside are equipped with clamping structure 3, through six clamping structure 3 clamping six unpolished bearing inner race, through polishing structure 5 and polish, after polishing, again through drive structure 9 drive turn -plate 4 rotates six one -sixth, the bearing inner race after polishing moves to the position of unpolished bearing inner race at one side, the bearing inner race of unpolished at the other side moves to the front end of polishing structure 5 and polishes, when polishing, the bearing inner race after polishing is taken down, again the bearing inner race of unpolished is clamped through clamping structure 3, in the process of polishing, loading and unloading are carried out, thereby improve the efficiency of processing.
[0029] Clamping structure 3 includes first micro servo motor 301, first micro servo motor 301 is fixedly connected on the lower inner wall of storage groove 8, and the output end of first micro servo motor 301 is provided with a micro speed reducer 302, and the output end of micro speed reducer 302 is fixedly connected with a base 303, and the upper end surface of base 303 is provided with four sliding grooves 304 in a rectangular arrangement, and the inner side wall of four sliding grooves 304 is fixedly connected with a second micro servo motor 305, and the output end of four second micro servo motors 305 is fixedly connected with a lead screw 306, and the outer side wall of four lead screws 306 is threadedly sleeved with a sliding block 307, and four sliding blocks 307 are slidingly connected in four sliding grooves 304 respectively, and the upper end surface of four sliding blocks 307 is fixedly connected with a clamping block 309, four second micro servo motors 305 are started by controlling, four lead screws 306 are driven by four second micro servo motors 305 to rotate, so that four sliding blocks 307 move along four sliding grooves 304, the bearing inner race is clamped, it is convenient to adapt to the bearing inner race of different diameters, and in the process of polishing, first micro servo motor 301 is started by controlling, micro speed reducer 302 is started by first micro servo motor 301, and base 303 is driven to rotate by micro speed reducer 302, so that it is convenient to polish in all directions.
[0030] The four clamping blocks 309 are provided with arc surfaces 310 on the outer side walls, which are attached to the inner side walls of the bearing inner rings, so as to be more attached to the bearing inner rings, thereby improving the stability of clamping.
[0031] The four sliding blocks 307 are fixedly connected with push plates 308 at the lower center of the outer side walls, the inner side walls of the other ends of the four sliding grooves 304 are provided with leak holes 311 at the lower part, the four leak holes 311 respectively pass through the inner side walls of the four sliding grooves 304 to the outer side walls of the base 303, and the four push plates 308 are respectively slidably connected inside the four leak holes 311. After polishing, the four second micro servo motors 305 are controlled to start, the four lead screws 306 are driven to rotate by the four second micro servo motors 305, the four sliding blocks 307 move along the four sliding grooves 304 to one end, the debris is pushed to one side by the four push plates 308, and then discharged through the four leak holes 311. The debris is cleaned, and the debris falling into the sliding groove 304 is conveniently disposed.
[0032] The driving structure 9 comprises a servo motor body 901, the output end of the servo motor body 901 is provided with a speed reducer body 902, the speed reducer body 902 is fixedly connected to the upper end face of the servo motor body 901, and the input end and the output end of the servo motor body 901 are fixedly connected. The output end of the speed reducer body 902 is provided with a six-station divider 903, the six-station divider 903 is fixedly connected to the upper end face of the speed reducer body 902, and the input end and the output end of the speed reducer body 902 are fixedly connected. The output end of the six-station divider 903 is fixedly connected to the lower end face of the rotating plate 4. The servo motor body 901 is controlled to start, the speed reducer body 902 is driven to start by the servo motor body 901, and the six-station divider 903 is driven to start after being decelerated. The six-station divider 903 drives the rotating plate 4 to rotate, moves the polished bearing inner ring to one side to the position of the unpolished bearing inner ring, and moves the unpolished bearing inner ring on the other side to the front end of the polishing structure 5 for polishing. The polished bearing inner ring is removed during polishing, and the unpolished bearing inner ring is clamped by the clamping structure 3 again. The feeding and discharging are carried out during the polishing process, thereby improving the processing efficiency.
[0033] The shape of the rotating plate 4 is a circular plate, so that the distance between the six clamping structures 3 and the rotating plate 4 is always equal, and repositioning is not needed during polishing.
[0034] Working principle: by setting six clamping structures 3 on the rotating plate 4, when in use, four second micro servo motors 305 are started by control, four second micro servo motors 305 drive four lead screws 306 to rotate, so that four sliding blocks 307 move along four sliding grooves 304, the inner ring of the bearing is clamped, the inner ring of the bearing is clamped on the six clamping structures 3 respectively, and then the rear bearing inner ring is polished by the polishing structure 5, the first micro servo motor 301 is started by control, the first micro servo motor 301 drives the micro speed reducer 302 to start, and the micro speed reducer 302 drives the base 303 to rotate, so as to facilitate all-around polishing.
[0035] After polishing, the servo motor body 901 is started by control, the servo motor body 901 drives the speed reducer body 902 to start, and after deceleration, the six-station divider 903 is started, the six-station divider 903 drives the rotating plate 4 to rotate, moves the polished bearing inner ring to the position of the unpolished bearing inner ring on one side, and moves the unpolished bearing inner ring on the other side to the front end of the polishing structure 5 for polishing, the polished bearing inner ring is taken down during polishing, and the unpolished bearing inner ring is clamped by the clamping structure 3 again, so as to improve the processing efficiency.
[0036] After polishing, the four second micro servo motors 305 are started by control, the four second micro servo motors 305 drive the four lead screws 306 to rotate, so that the four sliding blocks 307 move along the four sliding grooves 304 to one end, the debris is pushed to one side by the four push plates 308, and then the debris is discharged through the four leakage holes 311, and then the debris is cleaned, so as to handle the debris falling in the sliding groove 304.
[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A cylindrical roller bearing inner ring raceway grinding machine, comprising a base plate (1), a frame (6), a control box (7) and a grinding structure (5), wherein the frame (6) is arranged at the rear center of the upper end surface of the base plate (1), the control box (7) is arranged at the upper center of a side wall of the frame (6), and the grinding structure (5) is arranged at the upper center of the front end surface of the frame (6), characterized in that: The support (2) is fixedly connected to the upper end face of the bottom plate (1) at the front center, a driving structure (9) is fixedly connected to the upper end face of the bottom plate (1) in the support (2), a rotating plate (4) is rotatably connected to the upper end face of the support (2), six storage grooves (8) are circularly arranged at the edge of the upper end face of the rotating plate (4), and a clamping structure (3) is arranged in each of the six storage grooves (8).
2. A cylindrical roller bearing inner ring raceway grinding machine according to claim 1, characterized in that: The clamping structure (3) comprises a first micro servo motor (301) fixedly connected to the lower inner wall of the storage groove (8), a micro reducer (302) provided at the output end of the first micro servo motor (301), a base (303) fixedly connected to the output end of the micro reducer (302), four sliding grooves (304) arranged in a rectangular shape on the upper end face of the base (303), a second micro servo motor (305) fixedly connected to the inner side wall of each of the four sliding grooves (304), a lead screw (306) fixedly connected to the output end of each of the four second micro servo motors (305), a sliding block (307) threadedly sleeved on the outer side wall of each of the four lead screws (306), and a clamping block (309) fixedly connected to the upper end face of each of the four sliding blocks (307).
3. A cylindrical roller bearing inner ring raceway grinding machine according to claim 2, characterized in that: Arc faces (310) are formed in the outer side walls of the four clamping blocks (309).
4. A cylindrical roller bearing inner ring raceway grinding machine according to claim 2, characterized in that: Push plates (308) are fixedly connected to the lower center of the outer side walls of the four sliding blocks (307), leakage holes (311) are formed in the lower part of the inner side walls of the other ends of the four sliding grooves (304), the leakage holes (311) penetrate the inner side walls of the four sliding grooves (304) to reach the outer side walls of the base (303), and the four push plates (308) are slidingly connected in the four leakage holes (311).
5. A cylindrical roller bearing inner raceway grinder as set forth in claim 1, characterized in that: The driving structure (9) comprises a servo motor body (901), a reducer body (902) provided at the output end of the servo motor body (901) and fixedly connected to the upper end face of the servo motor body (901), a six-station divider (903) fixedly connected to the output end of the reducer body (902) and having an input end fixedly connected to the output end of the reducer body (902), and the lower end face of the rotating plate (4) is fixedly connected to the output end of the six-station divider (903).
6. A cylindrical roller bearing inner raceway grinder according to claim 1, characterized in that: The rotating plate (4) is a circular plate.