CN210081373U - Grinding machine for grinding ball base surface of roller - Google Patents
Grinding machine for grinding ball base surface of roller Download PDFInfo
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- CN210081373U CN210081373U CN201920254193.1U CN201920254193U CN210081373U CN 210081373 U CN210081373 U CN 210081373U CN 201920254193 U CN201920254193 U CN 201920254193U CN 210081373 U CN210081373 U CN 210081373U
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- grinding wheel
- motor
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Abstract
A grinding machine for grinding the spherical base surface of roller is composed of base, granite plate, workpiece rotary table, grinding wheel unit and grinding wheel shaping unit, and features that the grinding wheel unit without magnetic through grinding machine and grinding wheel shaping unit are not changed, but the structural form of workpiece rotary table is only changed.
Description
Technical Field
The utility model belongs to the technical field of bearing grinding equipment, specifically speaking are a grinding machine for grinding of roller ball base face.
Background
In the grinding process of the tapered roller, the tapered roller is positioned in a tooth groove of an isolation disc, an inner cone angle formed by working conical surfaces of a left guide wheel disc and a right guide wheel disc clamps a rolling surface of the tapered roller, the rotating speed of the left guide wheel disc is lower than that of the right guide wheel disc during grinding, the tapered roller drives the tapered roller to rotate around the axis of the tapered roller, and the tapered roller pushes the isolation disc to revolve around the rotating center of the guide wheel disc.
When the curvature radius of the tapered roller is changed, the separation disc corresponding to the diameter of the tapered roller needs to be replaced, and the universality is poor. In addition, the change of the curvature radius of the tapered roller leads to the increase of the adjustment error of the base surface, so that the central line of the tapered roller cannot well pass through the grinding center of the grinding wheel, and the conical vertex of the tapered roller is not superposed with the rotation center of the isolation disc and the curvature center of the arc curve of the grinding wheel, so that the ground tapered roller has large spherical base surface curvature variation, the end surface circle run-out tolerance is large, the grinding processing precision of the tapered rollers with different curvature radii cannot be met, and the grinding efficiency is low.
Disclosure of Invention
In order to solve the problem, the utility model discloses a grinding machine for grinding of roller ball base face, this grinding machine pass through the structural change of work piece revolving platform, can overcome the nonmagnetic and run through that its adjustment degree of difficulty is big, the motion stability is poor, produce axial float, grinding precision low grade problem easily when conical roller curvature radius changes, have grinding quality reliable and stable, adjustment, installation, maintain convenient characteristics.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a grinding machine for grinding the base surface of roller ball is composed of base, granite plate, workpiece rotary table, grinding wheel unit and grinding wheel shaping unit, the grinding wheel device comprises a grinding wheel, a grinding wheel motor, a belt, a grinding wheel shaft and a grinding wheel support, wherein the grinding wheel shaping device comprises a front motor, a rear motor, a front screw rod, a rear screw rod, a front nut, a rear nut, a left motor, a right motor, a left screw rod, a right screw rod, a left nut, a right nut, a diamond pen bottom plate, a diamond pen seat, a diamond pen, a shaping base, a shaping bottom plate and a shaping sliding plate; the grinding wheel shaping device is fixedly connected with the left upper end of the base through the shaping base and is positioned on the left side of the grinding wheel device, the shaping base plate is fixedly connected above the shaping base, the front motor and the rear motor are fixedly connected with the outer side of the front end of the shaping base, the front screw rod and the rear screw rod are connected with the front motor and the rear motor, the front screw rod and the rear screw rod are connected with the front nut and the rear nut, the front nut and the rear nut are fixedly connected with the front bottom of the shaping sliding plate, the shaping sliding plate is connected with the sliding guide rails on the left side and the right side above the shaping base plate through the slide block, the front screw rod and the rear screw rod are rotated through the front motor and the rear motor to drive the front nut and the rear nut to move and make the shaping sliding plate move back and forth, the left motor and the right motor are fixedly connected with the left screw rod and the right screw rod, the left nut and the right, the diamond pen is connected in an inner hole of the diamond pen seat, and the left and right screw rods are rotated by the left and right motors to drive the left and right nuts to move and the bottom plate of the diamond pen to move so as to drive the diamond pen to move left and right; the method is characterized in that:
the workpiece rotary table comprises a rotary base, a sliding table motor, a sliding table, a lower rotary disc, an upper rotary motor, an upper belt, an upper rotary disc, a fluted disc, a buffer positioning device, a lower rotary motor, a lower belt and an upright post, wherein the buffer positioning device comprises a conical roller to be ground, a hollow gear shaft, a grinding support, a positioning shaft and a buffer shaft sleeve, and an inward concave arc is designed below the left end of the grinding support;
in the workpiece rotary table, a rotary base is connected and fixed on the right upper side of a granite slab, a sliding table is connected with a sliding guide rail of the rotary base through a sliding block and drives the sliding table to move left and right through a sliding table motor, a lower rotary disc is connected and fixed on the left side above the sliding table, an upright post is connected and fixed on the right side above the sliding table, a lower rotary motor and an upper rotary motor are respectively connected and fixed on the front side and the rear side of the upright post, the lower rotary motor drives the lower rotary disc to rotate through a lower belt, an inward concave circular arc below the left end of a grinding support is abutted against the convex outer edge above the lower rotary disc, the outer conical surface of a conical roller is completely combined with the inner conical hole of a hollow gear shaft to realize automatic positioning, the hollow gear shaft is connected in a bearing hole of the grinding support, outer gear teeth of the hollow gear shaft are mutually engaged with gear teeth of a gear disc, a buffer shaft sleeve is, the external thread at the rear end of the positioning shaft is screwed in the internal thread hole of the grinding support, and the buffer positioning device rotates around the central axis of the lower rotary disc when the lower rotary motor is started and enables the conical roller to revolve; the middle taper hole of the upper rotary disc is matched and connected with the taper shaft of the lower rotary disc for positioning, the fluted disc is connected and fixed at the outer edge of the lower end of the upper rotary disc, the upper rotary disc rotates under the action of the upper belt by starting the upper rotary motor so as to rotate the fluted disc, and then the hollow tooth shaft rotates so as to realize the autorotation of the tapered roller.
Due to the adoption of the technical scheme, the utility model discloses produce following beneficial effect:
the utility model discloses when grinding different specification and dimension's tapered roller ball basal plane, need not to change rotary disk and lower rotary disk, only need according to the tapered roller external cone face size change of waiting the grinding with it supporting buffering positioner can, because the tapered roller external cone face of different specification and dimension must combine completely in the inner taper hole of hollow tooth axle just can realize its automatic positioning, and only need when changing buffering positioner to tear down rotary disk and fluted disc wholly open change can, therefore the work piece revolving platform has the dismantlement, the installation, maintain convenient characteristics.
Drawings
Fig. 1 is a schematic diagram of the front view structure of the present invention.
Fig. 2 is a schematic diagram of the top view structure of fig. 1.
Fig. 3 is a schematic diagram of the left side view of the structure of fig. 1.
Fig. 4 is a schematic diagram of a partial three-dimensional cross-sectional structure of the buffer positioning device.
In the above figures: 1-a base; 2-granite slab; 3-a workpiece turret; 3.1-rotating base; 3.2-a slide motor; 3.3-slipway; 3.4-lower rotary disc; 3.5-upper rotary motor; 3.6-upper belt; 3.7-upper rotary disc; 3.8-fluted disc; 3.9-buffer positioning device; 3.9.1-tapered rollers; 3.9.2-hollow gear shaft; 3.9.3-grinding the support; 3.9.4-positioning shaft; 3.9.5-buffer shaft sleeve; 3.10-lower rotary motor; 3.11-lower the belt; 3.12-column; 4-a grinding wheel unit; 4.1-grinding wheel; 4.2-grinding wheel motor; 4.3-belts; 4.4-grinding wheel spindle; 4.5-grinding wheel support; 5-a grinding wheel shaping device; 5.1-front and rear motors; 5.2-front and rear screw rods; 5.3-front and rear nuts; 5.4-left and right motors; 5.5-left and right screws; 5.6-left and right nuts; 5.7-Diamond pen baseboard; 5.8-Diamond pen stand; 5.9-Diamond pen; 5.10-a shaping base; 5.11-trimming bottom plate; 5.12-trimming slide plate.
Detailed Description
The utility model relates to a grinding machine for grinding of roller ball base face, this grinding machine is the improvement grinding machine on the no magnetism runs through the grinding machine basis, this grinding machine does not change the grinding wheel device and the grinding wheel model modifying device that no magnetism runs through the grinding machine, only change the structural style of work piece revolving platform, but give new requirement to grinding wheel device and grinding wheel model modifying device, it is big to solve its adjustment degree of difficulty under the structural change of work piece revolving platform and new requirement combine, the motion stability is poor, produce the axial float easily, grinding precision hangs down the scheduling problem.
In general and with reference to fig. 1-4, the grinding machine of the present invention comprises a base 1, a granite plate 2, a workpiece turret 3, a grinding wheel unit 4, and a grinding wheel dressing unit 5.
The grinding wheel device 4 comprises a grinding wheel 4.1, a grinding wheel motor 4.2, a belt 4.3, a grinding wheel shaft 4.4 and a grinding wheel support 4.5, the grinding wheel dressing device 5 comprises a front motor 5.1, a rear motor 5.2, a front nut 5.3, a rear nut 5.3, a left motor 5.4, a right motor 5.5, a left nut 5.6, a right nut 5.6, a diamond pen bottom plate 5.7, a diamond pen seat 5.8, a diamond pen 5.9, a dressing bottom seat 5.10, a dressing bottom plate 5.11 and a dressing sliding plate 5.12, a granite plate 2 is fixedly connected with the right side of the upper end of the base 1, a workpiece revolving platform 3 is fixedly connected with the right upper end of the granite plate 2, the grinding wheel device 4 is fixedly connected with the two sides of the left end of the dressing bottom plate 2 through two grinding wheel supports 4.5, the grinding wheel motor 4.2 is fixedly connected with the left upper side of one granite support 4.5, the grinding wheel shaft 4.4 is fixedly connected with the inner hole of the grinding wheel support 4.5 through the belt 4.1, the belt wheel 4.4.4 and the belt wheel 4, when the grinding wheel motor 4.2 is started, the grinding wheel shaft 4.4 is driven by the belt 4.3 to drive the grinding wheel 4.1 to rotate, at the moment, the excircle curved surface of the grinding wheel 4.1 is finished and formed according to the size of the sphere base surface of the tapered roller to be ground, in order to ensure that the tapered roller can be ground by the grinding wheel 4.1 when entering and exiting the grinding zone and obtain an ideal sphere base surface curved surface, the curved surfaces at the two ends of the grinding wheel 4.1 are subjected to size finishing, namely the curved surfaces at the two ends of the grinding wheel 4.1 are natural transition surfaces of the sphere curved surface, and the middle surface of the grinding wheel 4.1 is the.
The grinding wheel shaping device 5 is fixedly connected with the left upper end of the base 1 through a shaping base 5.10 and is positioned at the left side of the grinding wheel device 4, the shaping base plate 5.11 is fixedly connected above the shaping base 5.10, the front and rear motors 5.1 are fixedly connected with the outer side of the front end of the shaping base 5.10, the front and rear screws 5.2 are connected with the front and rear motors 5.1, the front and rear screws 5.3 are connected with the front and rear screws 5.2, the front and rear nuts 5.3 are fixedly connected with the front bottom of the shaping sliding plate 5.12, the shaping sliding plate 5.12 is connected with the sliding guide rails at the left and right sides above the shaping base plate 5.11 through a slide block, the front and rear screws 5.2 are rotated through the front and rear motors 5.1 to drive the front and rear nuts 5.3 to move and make the shaping sliding plate 5.12 move back and forth, the left and right motors 5.4 are fixedly connected with the left and right motors 5.4 at the outer side of the shaping sliding plate 5.12, the left and right screws 5.5.5 are connected with the left and right motors 5.4, the left and, the diamond pen seat 5.8 is connected above the diamond pen base plate 5.7 and can rotate at a certain angle, the diamond pen 5.9 is connected in an inner hole of the diamond pen seat 5.8, the left and right screws 5.5 are rotated by the left and right motors 5.4 to drive the left and right nuts 5.6 to move and the diamond pen base plate 5.7 to move so as to drive the diamond pen 5.9 to move left and right, and when the grinding wheel needs to be reshaped, the pen point of the diamond pen 5.9 is driven by the front and rear motors 5.1 and the left and right motors 5.4 to move out of the reshaping path of the spherical curved surface. The excircle curved surface of the grinding wheel is shaped by a diamond pen on the grinding wheel shaping device according to the size of the spherical base surface of the tapered roller to be ground, and in order to ensure that the tapered roller can be ground and obtain an ideal spherical base surface curved surface when entering and exiting a grinding area, the upper rotary disc and the lower rotary disc do not need to be replaced when the spherical base surfaces of the tapered rollers with different sizes are ground.
The structural configuration of the workpiece rotary table 3 is referred to the technical scheme, and the details which are not described can be solved by combining the common knowledge and are not described in detail.
The buffering and positioning device can be connected and positioned outside the upper flange of the lower rotary disc by utilizing the concave arc designed below the grinding support, so that the tapered roller revolves around the central axis of the lower rotary disc, the tapered roller can pass through the central axis of the lower rotary disc, and the adjustment error is reduced. Tapered roller dress is in hollow gear shaft's inner cone hole, and tapered roller's the outer conical surface completely mutually coincide with hollow gear shaft's inner cone hole in order to realize its self-align for it is more convenient that the tapered roller of treating the grinding installs, guarantees that tapered roller can pass through the axis of rotation of lower gyration dish. When the grinding force is too large when the spherical base surface of the tapered roller is ground, the plastic buffer shaft sleeve in the middle of the buffer positioning device can buffer and offset a part of cutting force, the stability of the force in the whole grinding process is ensured, the axial float of the tapered roller is reduced, the curvature dispersion difference of the spherical base surface and the end face circular run-out error are reduced, and the processing precision is improved.
Under the powerful cooperation of the devices, the special grinding machine drives the lower rotary disc 3.4 to rotate the buffering positioning device 3.9 around the central axis of the lower rotary disc 3.4 through the starting of the lower rotary motor 3.10 during grinding so as to realize the revolution of the conical roller 3.9.1, the upper rotary motor 3.5 is started to drive the upper belt 3.6 to rotate the upper rotary disc 3.7 and then the fluted disc 3.8 to drag the hollow gear shaft 3.9.2 in the buffer positioning device 3.9 to rotate so as to realize the rotation of the tapered roller 3.9.1, the tapered roller to be ground is ground in a grinding area through the grinding wheel 4.1 formed by the spherical curved surface after rotating and revolving, the phenomena of slipping and side swinging of the tapered roller 3.9.1 can be effectively avoided during grinding, and further reducing the end face circle run-out tolerance of the tapered roller 3.9.1, and improving the grinding machining precision and grinding efficiency of tapered rollers with different curvature radiuses, the beneficial effects are obvious, and the using effect of the structural improvement of the workpiece rotary table 3 on the grinding machine is very obvious and novel.
Claims (1)
1. A grinding machine for grinding a ball base surface of a roller comprises a base (1), a granite slab (2), a workpiece rotary table (3), a grinding wheel device (4) and a grinding wheel shaping device (5), wherein the grinding wheel device (4) comprises a grinding wheel (4.1), a grinding wheel motor (4.2), a belt (4.3), a grinding wheel shaft (4.4) and a grinding wheel support (4.5), the grinding wheel shaping device (5) comprises a front motor (5.1), a rear motor (5.2), a front screw rod, a rear screw rod, a front nut, a rear nut (5.3), a left motor (5.4), a right screw rod, a left screw rod, a right screw rod, a left nut, a right nut (5.6), a diamond pen base plate (5.7), a diamond pen base (5.8), a diamond pen (5.9), a shaping base (5.10), a shaping base plate (5.11) and a shaping sliding plate (5.12), the granite slab (2) is fixedly connected to the upper end of the base (1), the workpiece rotary table (3) is fixedly connected to the upper end of the granite, the grinding wheel device (4) is fixedly connected with the upper left end of the granite plate (2) through two grinding wheel supports (4.5), the grinding wheel motor (4.2) is fixedly connected with the upper left end of one grinding wheel support (4.5), the grinding wheel shaft (4.4) penetrates through an inner hole of the grinding wheel (4.1) and is fixedly connected with the two grinding wheel supports (4.5), and a small belt wheel on an output shaft of the grinding wheel motor (4.2) is connected with a large belt wheel on the grinding wheel shaft (4.4) through a belt (4.3); the grinding wheel shaping device (5) is fixedly connected with the upper left end of the base (1) through a shaping base (5.10) and is positioned on the left side of the grinding wheel device (4), the shaping base plate (5.11) is fixedly connected above the shaping base (5.10), a front motor (5.1) and a rear motor (5.1) are fixedly connected with the outer side of the front end of the shaping base (5.10), a front lead screw (5.2) and a rear lead screw (5.2) are connected, a front nut (5.3) and a rear nut (5.3) are connected and fixed at the bottom of the front of the shaping sliding plate (5.12), the shaping sliding plate (5.12) is connected with sliding guide rails on the left side and the right side above the shaping base plate (5.11) through a sliding block, the front lead screw (5.2) and the rear lead screw (5.1) are rotated through the front motor and the rear motor (5.1) to drive the front nut (5.3) to move and the shaping sliding plate (5.12) and enable the shaping sliding plate (5.12) to move back and forth, the left and right screw rods (5.5) are connected with a left and right motor (5.4), a left and right nut (5.6) is screwed on the left and right screw rods (5.5), the left and right nut (5.6) is connected and fixed at the outer side of the left end of the diamond pen base plate (5.7), the diamond pen base (5.8) is connected above the diamond pen base plate (5.7) and can rotate at a certain angle, the diamond pen (5.9) is connected in an inner hole of the diamond pen base (5.8), and the left and right screw rods (5.5) are rotated by the left and right motor (5.4) to drive the left and right nut (5.6) to move and the diamond pen base plate (5.7) to move so as to drive the diamond pen (5.9) to move left and right; the method is characterized in that:
the workpiece rotary table (3) comprises a rotary base (3.1), a sliding table motor (3.2), a sliding table (3.3), a lower rotary disc (3.4), an upper rotary motor (3.5), an upper belt (3.6), an upper rotary disc (3.7), a fluted disc (3.8), a buffering positioning device (3.9), a lower rotary motor (3.10), a lower belt (3.11) and an upright post (3.12), wherein the buffering positioning device (3.9) comprises a conical roller (3.9.1) to be ground, a hollow toothed shaft (3.9.2), a grinding support (3.9.3), a positioning shaft (3.9.4) and a buffering shaft sleeve (3.9.5), and an inward concave arc is designed below the left end of the grinding support (3.9.3);
in a workpiece rotary table (3), a rotary base (3.1) is fixedly connected with the right upper part of a granite slab (2), a sliding table (3.3) is connected with a sliding guide rail of the rotary base (3.1) through a sliding block and drives the sliding table (3.3) to move left and right through a sliding table motor (3.2), a lower rotary disc (3.4) is fixedly connected with the left upper part of the sliding table (3.3), an upright post (3.12) is fixedly connected with the right upper part of the sliding table (3.3), a lower rotary motor (3.10) and an upper rotary motor (3.5) are respectively fixedly connected with the front side and the rear side of the upright post (3.12), a lower rotary motor (3.10) drives the lower rotary disc (3.4) to rotate through a lower belt (3.11), an inward concave circular arc below the left end of a grinding support (3.9.3) is abutted against the convex outer edge above the lower rotary disc (3.4), the outer conical surface of a roller (3.9.1) is completely combined with an inner conical hole of a hollow toothed shaft (3.9.2) to realize automatic, the hollow gear shaft (3.9.2) is connected in a bearing hole of the grinding support (3.9.3), external gear teeth of the hollow gear shaft (3.9.2) are meshed with gear teeth of the fluted disc (3.8), an inner hole at the rear end of the hollow gear shaft (3.9.2) is connected with a buffer shaft sleeve (3.9.5), a positioning shaft (3.9.4) provided with a thrust bearing is connected in the inner hole of the buffer shaft sleeve (3.9.5), external threads at the rear end of the positioning shaft (3.9.4) are screwed in an internal thread hole of the grinding support (3.9.3), and when the lower rotary motor (3.10) is started, the buffer positioning device (3.9) rotates around the central axis of the lower rotary disc (3.4) and enables the conical roller (3.9.1) to revolve; the middle taper hole of the upper rotary disc (3.7) is matched and connected with the taper shaft of the lower rotary disc (3.4) for positioning, the fluted disc (3.8) is connected and fixed at the outer edge of the lower end of the upper rotary disc (3.7), the upper rotary disc (3.7) is rotated under the action of the upper belt (3.6) by starting the upper rotary motor (3.5) to rotate the fluted disc (3.8), and then the hollow tooth shaft is rotated to realize the autorotation of the tapered roller (3.9.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254193.1U CN210081373U (en) | 2019-02-28 | 2019-02-28 | Grinding machine for grinding ball base surface of roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254193.1U CN210081373U (en) | 2019-02-28 | 2019-02-28 | Grinding machine for grinding ball base surface of roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210081373U true CN210081373U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254193.1U Expired - Fee Related CN210081373U (en) | 2019-02-28 | 2019-02-28 | Grinding machine for grinding ball base surface of roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210081373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106857A (en) * | 2022-06-29 | 2022-09-27 | 济南凯特尔机器有限公司 | Workpiece reversing prevention device of high-sensitivity numerical control cylindrical grinding machine |
-
2019
- 2019-02-28 CN CN201920254193.1U patent/CN210081373U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106857A (en) * | 2022-06-29 | 2022-09-27 | 济南凯特尔机器有限公司 | Workpiece reversing prevention device of high-sensitivity numerical control cylindrical grinding machine |
| CN115106857B (en) * | 2022-06-29 | 2023-06-13 | 济南凯特尔机器有限公司 | Workpiece reversing prevention device of high-sensitivity numerical control cylindrical grinding machine |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |