CN212824314U - Self-aligning roller bearing outer ring raceway grinding machine - Google Patents
Self-aligning roller bearing outer ring raceway grinding machine Download PDFInfo
- Publication number
- CN212824314U CN212824314U CN202021750397.3U CN202021750397U CN212824314U CN 212824314 U CN212824314 U CN 212824314U CN 202021750397 U CN202021750397 U CN 202021750397U CN 212824314 U CN212824314 U CN 212824314U
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- wheel spindle
- workpiece
- grinding
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a grinding machine technical field, concretely relates to self-aligning roller bearing outer lane raceway grinding machine. The utility model provides a self-aligning roller bearing outer lane raceway grinding machine, including bed body, work piece positioner, emery wheel axle, emery wheel drive arrangement and emery wheel dresser; the grinding wheel is arranged on a grinding wheel shaft, the grinding wheel shaft is arranged on a grinding wheel driving device, the workpiece fixing and positioning device, the grinding wheel driving device and the grinding wheel dresser are arranged on the bed body, and the grinding wheel dresser is used for dressing the outline of the grinding wheel. The grinding wheel dresser is arranged on the self-aligning bearing outer ring raceway grinding machine, so that the grinding wheel can be dressed on line in real time after being ground every time, and the machining precision and efficiency are improved.
Description
Technical Field
The utility model relates to a grinding machine technical field, concretely relates to self-aligning roller bearing outer lane raceway grinding machine.
Background
The self-aligning roller bearing is also called a spherical roller bearing, all rolling contact surfaces of the spherical roller bearing are named as R-shaped profiles, the spherical roller bearing can bear certain torque and eccentric contact, and has the characteristics of high rotating speed and high bearing point. Although the surface appearance and the diameter of the raceway ball are well controlled, there are some manufacturability problems, which are not favorable for the rough grinding process. Such as:
1. the processing efficiency is low, the grinding wheel has no dresser, and the grinding wheel is self-sharpening only by the grinding process. The quality stability of the resin grinding wheel is difficult to control, so that the grinding feed amount is not uniform;
2. when the roller path is thick, the shape of the grinding wheel is greatly influenced by the allowance of a workpiece due to the uneven allowance of the roller path, so that the curvatures of the processed roller paths are difficult to control;
3. the grinding heat is too large, and the grinding burn is easy to appear due to poor self-sharpening of the grinding wheel.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the aim at of this application provides a self-aligning roller bearing outer lane raceway grinding machine, and it has solved the problem of self-aligning bearing outer raceway corase grind processingquality and efficiency.
In order to achieve the purpose, the technical scheme provided by the application is as follows: a self-aligning roller bearing outer ring raceway grinding machine comprises a bed body, a workpiece positioning device, a grinding wheel shaft, a grinding wheel driving device and a grinding wheel dresser; the grinding wheel is arranged on a grinding wheel shaft, the grinding wheel shaft is arranged on a grinding wheel driving device, the workpiece fixing and positioning device, the grinding wheel driving device and the grinding wheel dresser are arranged on the bed body, and the grinding wheel dresser is used for dressing the outline of the grinding wheel.
Furthermore, the workpiece positioning device comprises a workpiece shaft fixing box, a workpiece shaft magnetic disc and a workpiece shaft rotating motor, the workpiece shaft fixing box is fixedly arranged on the bed body, the workpiece shaft is arranged in the workpiece shaft fixing box, the workpiece shaft rotating motor is fixedly arranged on the workpiece shaft fixing box, the workpiece shaft rotating motor is connected with the workpiece shaft through a belt, the workpiece shaft magnetic disc is arranged at one end, close to the grinding wheel, of the workpiece fixing shaft, and a workpiece support frame is arranged on the workpiece shaft magnetic disc.
Furthermore, the grinding wheel driving device comprises a grinding wheel spindle motor, a reciprocating mechanism and a feeding moving mechanism, wherein the grinding wheel spindle motor is arranged on the feeding moving mechanism and is connected with the grinding wheel spindle through a belt; the feeding moving mechanism is arranged on the reciprocating moving mechanism; the feeding moving mechanism comprises a grinding wheel spindle feeding motor, a grinding wheel spindle feeding screw, a grinding wheel spindle feeding nut, a grinding wheel spindle moving plate and a grinding wheel spindle seat plate, the grinding wheel spindle and the grinding wheel spindle motor are arranged on the grinding wheel spindle moving plate, the grinding wheel spindle moving plate is arranged on the grinding wheel spindle seat plate in a sliding mode, the grinding wheel spindle feeding motor is arranged on the grinding wheel spindle seat plate, the grinding wheel spindle feeding nut is arranged on the lower surface of the grinding wheel spindle moving plate, the grinding wheel spindle feeding motor drives the grinding wheel spindle feeding screw to rotate, the grinding wheel spindle feeding screw drives the grinding wheel spindle feeding nut to move, and the grinding wheel spindle feeding nut drives the grinding wheel spindle; the reciprocating mechanism comprises a workbench, a motor, a lead screw and a nut, wherein the grinding wheel shaft seat plate is arranged on the workbench, the workbench is arranged on the bed body, the motor is arranged on the bed body, the nut is arranged on the lower surface of the workbench, the motor drives the lead screw to rotate, the lead screw drives the nut to move, and the nut drives the workbench to move.
Furthermore, the grinding wheel dresser comprises a grinding wheel dresser frame and a diamond pen, the grinding wheel dresser frame is fixedly arranged on one side, close to the workpiece shaft fixing box, of the bed body, and the diamond pen is arranged on the grinding wheel dresser frame.
Furthermore, the self-aligning roller bearing outer ring raceway grinding machine further comprises a programming control panel, and the programming control panel is arranged on one side far away from the workpiece positioning device.
Further, the grinding wheel is a ceramic bond grinding wheel.
The utility model has the advantages that:
the grinding wheel dresser is arranged on the self-aligning bearing outer ring raceway grinding machine, so that the grinding wheel can be dressed on line in real time after being ground every time, and the machining precision and efficiency are improved.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
fig. 3 is a right side view of the embodiment of the present invention.
In the figure: 1. the grinding wheel dresser comprises a bed body, 2, a workpiece shaft, 3, a workpiece shaft rotating motor, 4, a workpiece shaft magnetic disc, 5, a workpiece supporting frame, 6, a grinding wheel, 7, a grinding wheel shaft, 8, a grinding wheel shaft motor, 9, a grinding wheel shaft moving plate, 10, a grinding wheel shaft base plate, 11, a workbench, 12, a motor, 13, a lead screw, 14, a nut, 15, a grinding wheel shaft feeding motor, 16, a grinding wheel shaft feeding lead screw, 17, a grinding wheel shaft feeding nut, 18, a grinding wheel dresser frame, 19, a diamond pen, 20 and a programming control panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the following description is made with reference to the accompanying drawings and specific examples.
Example 1
As shown in fig. 1-3, wherein the dotted line portion in fig. 1 is the working state of the grinding wheel 6, the utility model provides a self-aligning roller bearing outer ring raceway grinding machine, which comprises a bed body 1, a workpiece positioning device, a grinding wheel 6, a grinding wheel spindle 7, a grinding wheel driving device and a grinding wheel dresser; the grinding wheel dresser is fixedly arranged on the bed body 1 and used for dressing the profile of the grinding wheel 6. The workpiece positioning device comprises a workpiece shaft fixing box, a workpiece shaft 2, a workpiece shaft magnetic disk 4 and a workpiece shaft rotating motor 3, the workpiece shaft fixing box is fixedly arranged at the head of the bed body 1, the workpiece shaft 2 is rotatably arranged in the workpiece shaft fixing box, the workpiece shaft rotating motor 3 is fixedly arranged on the workpiece shaft fixing box, belt wheels matched with each other are arranged on an output shaft of the workpiece shaft rotating motor 3 and the workpiece shaft 2, and the workpiece shaft rotating motor 3 is connected with the workpiece shaft 2 through a belt. One end of the workpiece fixing shaft close to the grinding wheel 6 is provided with a workpiece shaft magnetic disc 4, and a workpiece support frame 5 is fixedly arranged on the workpiece shaft magnetic disc 4.
The grinding wheel 6 is detachably arranged on the grinding wheel shaft 7, and the grinding wheel 6 is a ceramic bond grinding wheel; the grinding wheel driving device comprises a grinding wheel spindle motor 8, a reciprocating mechanism and a feeding moving mechanism, wherein the grinding wheel spindle motor 8 is fixedly arranged on the feeding moving mechanism, and the feeding moving mechanism is fixedly arranged on the reciprocating mechanism; the reciprocating mechanism provides the grinding wheel spindle 7 with reciprocating motion (i.e., transverse motion) parallel to its axial direction, and the feed moving mechanism provides the grinding wheel spindle 7 with reciprocating motion (i.e., longitudinal motion) perpendicular to its axial direction.
The feeding moving mechanism comprises a grinding wheel spindle feeding motor 15, a first ball screw pair, a grinding wheel spindle moving plate 9 and a grinding wheel spindle seat plate 10, wherein the first ball screw pair comprises a grinding wheel spindle feeding screw 16, a grinding wheel spindle feeding nut 17, and the grinding wheel spindle feeding screw 16 is in rolling connection with the grinding wheel spindle feeding nut 17 through balls. The first ball screw pair is beneficial to improving the machining precision.
The grinding wheel spindle 7 is fixedly arranged on the grinding wheel spindle moving plate 9 through a grinding wheel spindle sleeve, the grinding wheel spindle motor 8 is fixedly arranged on the grinding wheel spindle moving plate 9, the grinding wheel spindle motor 8 and the grinding wheel spindle 7 are arranged in parallel, and the grinding wheel spindle motor 8 and the grinding wheel spindle 7 are arranged on the grinding wheel spindle moving plate 9 in parallel, so that the grinding wheel spindle moving plate 9 is guaranteed to be stressed uniformly, and stability of the precision of the datum plane of the grinding wheel spindle moving plate 9 is guaranteed.
A belt pulley is fixedly arranged at the output end of a motor shaft of the grinding wheel shaft motor 8, a belt pulley is fixedly arranged at one end, away from the grinding wheel 6, of the grinding wheel shaft 7, and the grinding wheel shaft motor 8 is connected with the grinding wheel shaft 7 through a belt. The grinding wheel spindle motor 8 is directly connected with the grinding wheel spindle 7 through a belt, and the vibration is small during working, so that stable power is provided.
When the grinding wheel spindle moving plate is used, the grinding wheel spindle feeding motor 15 drives the grinding wheel spindle feeding screw 16 to rotate, the grinding wheel spindle feeding screw 16 drives the grinding wheel spindle feeding screw 17 matched with the grinding wheel spindle feeding screw to do linear motion, and the grinding wheel spindle feeding screw 17 drives the grinding wheel spindle moving plate 9 to move.
Reciprocating motion includes workstation 11, motor 12, and the vice second ball, and the vice screw that includes lead screw 13 and screw 14 of second ball, and lead screw 13 passes through ball rolling connection with screw 14, and the vice improvement machining precision that is favorable to of second ball. Grinding wheel shaft bedplate 10 is fixed to be set up on workstation 11, workstation 11 slides through sliding guide and sets up on the bed body 1, and motor 12 passes through the fixed one end of keeping away from the fixed case of work piece axle that sets up on the bed body 1 of motor connecting plate, and motor 12 passes through the shaft coupling to be connected with lead screw 13, and screw 14 is fixed to be set up at workstation 11 lower surface, and during the use, motor 12 drives lead screw 13 and rotates, and lead screw 13 drives 14 rectilinear movement of screw rather than assorted, and screw 14 drives workstation 11 and removes.
The grinding wheel dresser comprises a grinding wheel dresser frame 18 and a diamond pen 19, wherein the grinding wheel dresser frame 18 is fixedly arranged on one side, close to the workpiece shaft fixing box, of the bed body 1, and the diamond pen 19 is fixedly arranged on the grinding wheel dresser frame 18. The diamond pen 19 is used to dress the profile of the grinding wheel 6.
The utility model discloses a theory of operation:
1. the working process is as follows: the reciprocating mechanism drives the workbench 11 to transversely move, when the grinding wheel 6 transversely moves to the middle of a workpiece, the workbench 11 stops moving, and the feeding moving mechanism drives the grinding wheel spindle 7 on the grinding wheel spindle moving plate 9 to longitudinally move, so that the grinding wheel 6 is longitudinally fed;
2. the grinding wheel 6 is in a finishing process: after grinding once, the grinding wheel 6 completely exits from the workpiece, and the reciprocating mechanism driving the worktable 11 to move and the feed moving mechanism driving the grinding wheel spindle moving plate 9 to move perform relative cross motion (i.e., "interpolation motion"), so as to realize the trimming of the circular arc of the grinding wheel 6.
The utility model has the advantages that:
the technical scheme of the utility model will adopt "cut into and grind" mode, be the grinding apparatus with the ceramic bond emery wheel to through reciprocating motion mechanism and feed moving mechanism simultaneous control grinding wheel axle 7 horizontal and fore-and-aft motion, utilize buddha's warrior attendant pen 19 to carry out real-time online profile of finishing emery wheel 6, thereby improved machining precision and efficiency.
Example 2
Referring to fig. 1 to 3, wherein a dotted line in fig. 1 represents a state in which a grinding wheel 6 is in operation, the self-aligning roller bearing outer ring raceway grinding machine described in embodiment 1 is a numerically controlled grinding machine controlled by a CNC control system, and further includes a program control panel 20, a cooling system, and an electrical control system; the programming control panel 20 is arranged on one side of the bed body 1 far away from the workpiece positioning device. The cooling system and the electric control system are arranged in the bed body 1. The cooling system provides cooling liquid for the grinding wheel 6 when grinding the workpiece.
The utility model discloses a theory of operation:
1. the working process is as follows: the numerical control system controls the reciprocating mechanism to drive the workbench 11 to transversely move, when the grinding wheel 6 transversely moves to the middle of the workpiece, the workbench 11 stops moving, and the numerical control system controls the feeding moving mechanism to drive the grinding wheel spindle 7 on the grinding wheel spindle moving plate 9 to longitudinally move, so that the grinding wheel 6 is longitudinally fed;
2. and (3) dressing process of the grinding wheel 6: after grinding once, the numerical control system controls the grinding wheel 6 to completely withdraw from the workpiece, and the reciprocating mechanism driving the worktable 11 to move and the feed moving mechanism driving the grinding wheel shaft moving plate 9 to move perform relative cross motion (namely 'interpolation motion'), so as to realize the adjustment of the circular arc of the grinding wheel 6.
The utility model has the advantages that:
different with traditional "generating method" processing mode, the technical scheme of the utility model will adopt "cut into and grind" mode, be the grinding apparatus with the ceramic bond emery wheel, servo motor replaces manual operation to realize the equal speed and feeds the grinding, and numerical control system automatic calculation compensates 6 losses of emery wheel and grinding allowance, increases cooling lubrication liquid pressure and allowance simultaneously. When the grinding wheel is dressed, the numerical control programming is adopted to control the two transverse and longitudinal shafts of the grinding wheel shaft 7 to move simultaneously, and a diamond pen is used for carrying out real-time online dressing and forming on the grinding wheel 6. Therefore, the uniformity of the curvature radius points of the outer ring raceway is ensured, the uniformity of the sizes of batch products is also ensured, the single-machine processing efficiency is improved, one person can realize multiple machines, and the purposes of reducing grinding burn and the like are achieved.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. The utility model provides a self-aligning roller bearing outer lane raceway grinding machine which characterized in that: comprises a bed body (1), a workpiece positioning device, a grinding wheel (6), a grinding wheel shaft (7), a grinding wheel driving device and a grinding wheel dresser; the grinding wheel (6) is arranged on the grinding wheel shaft (7), the grinding wheel shaft (7) is arranged on the grinding wheel driving device, the workpiece fixing and positioning device, the grinding wheel driving device and the grinding wheel dresser are arranged on the lathe body (1), and the grinding wheel dresser is used for dressing the outline of the grinding wheel (6).
2. The self-aligning roller bearing outer ring raceway grinding machine according to claim 1, characterized in that: the workpiece positioning device comprises a workpiece shaft fixing box, a workpiece shaft (2), a workpiece shaft magnetic disc (4), a workpiece support frame (5) and a workpiece shaft rotating motor (3), wherein the workpiece shaft fixing box is fixedly arranged on the bed body (1), the workpiece shaft (2) is arranged in the workpiece shaft fixing box, the workpiece shaft rotating motor (3) is fixedly arranged on the workpiece shaft fixing box, the workpiece shaft rotating motor (3) is connected with the workpiece shaft (2) through a belt, the workpiece shaft magnetic disc (4) is arranged at one end, close to a grinding wheel (6), of the workpiece fixing shaft, and the workpiece support frame (5) is arranged on the workpiece shaft magnetic disc (4).
3. The self-aligning roller bearing outer ring raceway grinding machine according to claim 1, characterized in that: the grinding wheel driving device comprises a grinding wheel shaft motor (8), a reciprocating mechanism and a feeding moving mechanism; the grinding wheel spindle motor (8) is arranged on the feeding moving mechanism, and the grinding wheel spindle motor (8) is connected with the grinding wheel spindle (7) through a belt; the feeding moving mechanism is arranged on the reciprocating moving mechanism.
4. The self-aligning roller bearing outer ring raceway grinding machine according to claim 3, characterized in that: the feeding moving mechanism comprises a grinding wheel spindle feeding motor (15), a grinding wheel spindle feeding screw (16), a grinding wheel spindle feeding nut (17), a grinding wheel spindle moving plate (9) and a grinding wheel spindle seat plate (10), a grinding wheel spindle (7) and a grinding wheel spindle motor (8) are arranged on the grinding wheel spindle moving plate (9), the grinding wheel spindle moving plate (9) is arranged on the grinding wheel spindle seat plate (10) in a sliding mode, the grinding wheel spindle feeding motor (15) is arranged on the grinding wheel spindle seat plate (10), the grinding wheel spindle feeding nut (17) is arranged on the lower surface of the grinding wheel spindle moving plate (9), the grinding wheel spindle feeding motor (15) drives the grinding wheel spindle feeding screw (16) to rotate, the grinding wheel spindle feeding screw (16) drives the grinding wheel spindle feeding nut (17) to move, and the grinding wheel spindle feeding nut (17) drives the grinding wheel spindle feeding screw (9) to move.
5. The self-aligning roller bearing outer ring raceway grinding machine according to claim 4, characterized in that: reciprocating motion mechanism includes workstation (11), motor (12), lead screw (13) and screw (14), emery wheel axle bedplate (10) set up on workstation (11), and workstation (11) set up on the bed body (1), and motor (12) set up on the bed body (1), and screw (14) set up at workstation (11) lower surface, and motor (12) drive lead screw (13) and rotate, and lead screw (13) drive screw (14) and remove, and screw (14) drive workstation (11) and remove.
6. The self-aligning roller bearing outer ring raceway grinding machine according to claim 1, characterized in that: the grinding wheel dresser comprises a grinding wheel dresser frame (18) and a diamond pen (19), the grinding wheel dresser frame (18) is fixedly arranged on one side, close to the workpiece shaft fixing box, of the bed body (1), and the diamond pen (19) is arranged on the grinding wheel dresser frame (18).
7. The self-aligning roller bearing outer ring raceway grinding machine according to claim 1, characterized in that: the grinding wheel (6) is a ceramic bond grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750397.3U CN212824314U (en) | 2020-08-20 | 2020-08-20 | Self-aligning roller bearing outer ring raceway grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750397.3U CN212824314U (en) | 2020-08-20 | 2020-08-20 | Self-aligning roller bearing outer ring raceway grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212824314U true CN212824314U (en) | 2021-03-30 |
Family
ID=75137695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021750397.3U Active CN212824314U (en) | 2020-08-20 | 2020-08-20 | Self-aligning roller bearing outer ring raceway grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212824314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603438A (en) * | 2022-03-11 | 2022-06-10 | 兰州交通大学 | P2-grade angular contact ball bearing raceway machining precision control method and machine tool |
| CN116572110A (en) * | 2023-07-12 | 2023-08-11 | 江苏迈尔汽车零部件有限公司 | Grinding trimming device for automobile die castings |
-
2020
- 2020-08-20 CN CN202021750397.3U patent/CN212824314U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603438A (en) * | 2022-03-11 | 2022-06-10 | 兰州交通大学 | P2-grade angular contact ball bearing raceway machining precision control method and machine tool |
| CN116572110A (en) * | 2023-07-12 | 2023-08-11 | 江苏迈尔汽车零部件有限公司 | Grinding trimming device for automobile die castings |
| CN116572110B (en) * | 2023-07-12 | 2023-10-20 | 江苏迈尔汽车零部件有限公司 | Grinding trimming device for automobile die castings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4274231A (en) | Method and apparatus for dressing a grinding wheel | |
| CN107363691B (en) | Method for realizing simultaneous grinding of two end faces of self-made grinding machine | |
| CN102554745B (en) | Grinding device for inner raceways and lock openings of bearings and grinding method | |
| CN212824314U (en) | Self-aligning roller bearing outer ring raceway grinding machine | |
| CN203003659U (en) | Machine tool for running-in machining of ball and valve seat in ball valve | |
| CN114226868A (en) | Forming grinding wheel gear grinding machine tool | |
| CN201405249Y (en) | Horizontal numerical control double-head stator curve grinding machine | |
| CN109396976A (en) | A kind of periphery grinding machine | |
| KR100937503B1 (en) | Cnc grinding machine to process the worm | |
| CN214080731U (en) | High-precision grinding machine for machining 90-degree V-shaped roller path of inner ring and outer ring of bearing of harmonic speed reducer | |
| CN204800078U (en) | Horizontal thread grinder | |
| CN2933704Y (en) | Multiple edge-retained grinding equipments fixed on cylindrical bearing outer ring once | |
| JP2006320970A (en) | Machining device | |
| CN216883179U (en) | Head walking type follow-up grinding machine suitable for processing inner and outer curves | |
| CN207358790U (en) | Model core one-pass molding special purpose grinder | |
| CN2843743Y (en) | Four main cone double-ended grinding machine | |
| CN2838850Y (en) | Grinding machine for processing linear guide | |
| CN115351359A (en) | Gear grinding machine tool for grinding spiral bevel gear | |
| CN211760465U (en) | Multi-angle adjustable grinding head machining grinding machine with double-upright-column structure | |
| CN210307158U (en) | High-precision deep groove ball bearing inner ring groove and inner and outer diameter composite grinding device | |
| CN111716220A (en) | Composite grinding device for main shaft of bracket bearing | |
| CN203401361U (en) | Numerically-controlled grinding machine for screw tap | |
| CN112276735A (en) | Double-row tapered roller bearing outer ring raceway processing equipment | |
| CN203460011U (en) | Numerically-controlled external cylindrical grinding machine | |
| CN205363437U (en) | Scalpel special purpose grinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |