CN210413950U - Special numerical control automatic grinding machine for spherical surface of spherical roller - Google Patents
Special numerical control automatic grinding machine for spherical surface of spherical roller Download PDFInfo
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- CN210413950U CN210413950U CN201921355747.3U CN201921355747U CN210413950U CN 210413950 U CN210413950 U CN 210413950U CN 201921355747 U CN201921355747 U CN 201921355747U CN 210413950 U CN210413950 U CN 210413950U
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Abstract
The special numerically controlled automatic grinding machine for spherical surface of spherical roller is used in automatic feeding and discharging and grinding treatment of spherical roller. It includes: a lower base; the headstock is rotatably arranged at the left end of the lower base, and an angle adjusting unit for driving the headstock to rotate in a horizontal plane is arranged on the lower base; the supporting plate box is fixed at the right end of the lower base; the large carriage unit comprises a large carriage which is connected with the carriage box in a sliding way along the transverse direction and a carriage driving mechanism for driving the large carriage; the small carriage unit comprises a small carriage which is connected with the large carriage in a sliding way along the longitudinal direction and a carriage driving mechanism which drives the small carriage; the spindle unit comprises an electric spindle fixed on the small carriage, and a grinding wheel is fixed on the electric spindle; and the feeding and discharging unit is arranged on the headstock and used for conveying the roller blanks to the grinding area. The grinding machine can realize automatic feeding and discharging and grinding of the spherical roller.
Description
Technical Field
The utility model belongs to the technical field of spherical roller abrasive machining technique and specifically relates to a special numerical control automatic grinding machine of spherical roller ball base face.
Background
The spherical base surface convexity roller is a new generation of key part for a bearing, and the machining precision of the spherical base surface convexity roller directly influences the running precision and the service life of the bearing, so that the machining precision of the spherical roller is ensured. The end face of the first end of the spherical roller is a plane, the end face of the second end of the spherical roller is a spherical surface, and the side face of the spherical roller is a conical surface, so that the spherical roller is difficult to machine and difficult to control in size. The existing grinding processing technology equipment has the defects of low processing efficiency, poor technology adaptability, low equipment automation, complex machine tool structure, high failure rate, low processing efficiency, large end face run-out and large size dispersion, and finally causes low processing precision.
At present, multiple steps and multiple devices are adopted for processing the spherical roller respectively in the processing process of the spherical roller, so that the processing efficiency is low, personnel are required to carry and transfer the spherical roller, and the production cost is improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special numerical control automatic grinding machine of sphere roller ball base face for the realization is to unloading and grinding processing in the automation of sphere roller.
The utility model provides a technical scheme that its technical problem adopted is: the special numerical control automatic grinding machine for the spherical surface of the spherical roller is characterized by comprising:
a lower base;
the headstock is rotatably arranged at the left end of the lower base, and an angle adjusting unit for driving the headstock to rotate in a horizontal plane is arranged on the lower base;
the supporting plate box is fixed at the right end of the lower base;
the large carriage unit comprises a large carriage which is connected with the carriage box in a sliding way along the transverse direction and a carriage driving mechanism for driving the large carriage;
the small carriage unit comprises a small carriage which is connected with the large carriage in a sliding way along the longitudinal direction and a carriage driving mechanism which drives the small carriage;
the spindle unit comprises an electric spindle fixed on the small carriage, and a grinding wheel is fixed on the electric spindle;
and the feeding and discharging unit is arranged on the headstock and used for conveying the roller blanks to the grinding area.
Furthermore, the angle adjusting unit comprises an angle adjusting motor fixed on the headstock, a gear set arranged at the output end of the angle adjusting motor, and a gear ring fixed on the lower base, wherein the gear ring is meshed with the gear set.
The carriage driving mechanism comprises a carriage motor, a lead screw fixed at the output end of the carriage motor and a lead screw nut matched with the lead screw, and when the carriage motor is fixed on the carriage box, the lead screw nut is fixedly connected with the large carriage; when the carriage motor is fixed on the large carriage, the screw nut is fixedly connected with the small carriage.
Furthermore, the grinding wheel dressing unit comprises a support arranged on the supporting plate box, a dressing motor fixed on the support and a dressing roller fixed at the output end of the dressing motor.
Furthermore, the feeding and discharging unit comprises a crescent moon plate, an electromagnetic chuck, a discharging channel, a feeding spring plate, a feeding movable plate and a knockout head, wherein two supporting seats are arranged on the crescent moon plate in a sliding manner along the arc direction, a locking structure is arranged between the supporting seats and the crescent moon plate, a first support is fixed on one of the supporting seats, and a second support is fixed on the other supporting seat; the electromagnetic chuck is arranged above the crescent plate and is fixedly connected with the workpiece shaft, and the workpiece shaft is driven to rotate by a workpiece motor arranged on the headstock; the discharging channel is obliquely arranged, the lower end of the discharging channel is positioned above the electromagnetic chuck, and a roller blank is placed on the discharging channel; the upper end of the feeding spring plate is fixedly connected with the headstock, the lower end of the feeding spring plate is suspended, and the extension line of the discharging channel is intersected with the feeding spring plate; the feeding movable plate is arranged on the left side of the feeding spring plate and the upper side of the lower end of the discharging channel, a feeding driving mechanism for driving the feeding movable plate to reciprocate up and down is arranged on the headstock, the lower part of the feeding movable plate is a third support, and when the feeding movable plate moves down to the lowest point, the roller blank is clamped and fixed in a grinding area under the matching action of the first support, the second support, the third support and the electromagnetic chuck; the material beating head is movably arranged on the crescent plate, and a material beating driving mechanism for driving the material beating head to enter and exit the grinding processing area is arranged on the crescent plate.
Furthermore, the feeding driving mechanism comprises a feeding cylinder fixedly connected with the headstock and a feeding sliding block hinged with a piston rod of the feeding cylinder, the feeding sliding block is connected with the headstock in a vertical sliding mode, and the feeding movable plate is fixed on the feeding sliding block.
Furthermore, a pin shaft is installed on the front end face of the feeding sliding block in a threaded mode, a spring is sleeved on the pin shaft, and a small spring plate is fixed at one end, far away from the feeding sliding block, of the spring; and after the roller blank falls to the grinding area, the front end surface of the roller blank is contacted with the small spring plate.
Further, still include ejection of compact recovery unit, ejection of compact recovery unit is including fixing on the headstock and the play material way that the slope set up, setting on the headstock and be located the collection basket of ejection of compact way lower extreme, and the roller machined part that is released by the material beating head falls on a material way to roll along the ejection of compact way and fall in collection basket after.
The utility model has the advantages that: the utility model provides a special numerical control automatic grinding machine of sphere roller ball base face can provide a machining precision height, can adapt to the high-efficient spherical roller terminal surface of multiple arc terminal surface and grind super equipment, adopts a full-automatic mode of operation simultaneously, can go up unloading automatically, adapts to the not bearing roller processing of equidimension, improve equipment performance. The grinding machine can be used independently and can also be arranged in an automatic production line for grinding and processing the tapered roller. The method is suitable for mass production, and the precision of the processed product can stably reach the standard of II-grade rollers.
Drawings
FIG. 1 is a top view of the grinding machine (with the loading and unloading unit removed) according to the present invention;
FIG. 2 is a front view of the grinding machine of the present invention;
FIG. 3 is a front view of the loading and unloading unit;
FIG. 4 is a schematic view of a roller blank falling into a grinding area on a feeding and discharging unit;
FIG. 5 is a schematic view of the installation of a small spring plate;
FIG. 6 is a top view of the discharge chute;
in the figure: 1 lower base, 11 headstock, 12 pallet box, 13 collecting basket, 14 discharging channel, 15 belt transmission mechanism, 2 workpiece motor, 21 workpiece shaft, 31 first support, 32 electromagnetic chuck, 33 roller blank, 34 discharging channel, 341 fixed plate, 342 movable plate, 343 gap, 35 feeding movable plate, 36 feeding slide block, 37 feeding cylinder, 38 spring plate seat, 39 feeding spring plate, 310 second support, 311 crescent plate, 312 support seat, 313 beating cylinder, 314 roller workpiece, 315 third support, 316 beating head, 317 carriage spring, 318 pin shaft, 319 small spring plate, 4 angle adjusting unit, 41 gear set, 42 ring gear, 43 angle adjusting motor, 5 grinding wheel correcting unit, 51 correcting motor, 52 support, 53 correcting roller, 6 small pallet unit, 7 main shaft unit, 71 electric main shaft, 8 large pallet unit, 9 grinding wheel.
Detailed Description
As shown in fig. 1 to 6, the present invention mainly includes a lower base 1, a workpiece motor 2, a feeding and discharging unit, an angle adjusting unit 4, a grinding wheel dressing unit 5, a small carriage unit 6, a large carriage unit 8 and a spindle unit 7, and the present invention is described in detail below with reference to the accompanying drawings.
The lower base 1:
the lower base 1 is used as a supporting part to play a main supporting role for the whole grinding machine, a headstock 11, a supporting plate box 12 and a discharge recovery unit are arranged on the lower base, the grinding machine is matched with a water system, an electric system and an air system and is arranged at a proper position, and the grinding machine also comprises matched accessories such as an electric cabinet and the like.
Head box 11:
the headstock 11 is rotatably mounted on the lower base through a rotating shaft, and the included angle between the headstock and the pallet box is adjusted by driving the headstock to rotate around the axis. As shown in fig. 2, a workpiece shaft 321 is rotatably mounted on the headstock, a workpiece motor 2 is further fixedly mounted on the headstock, a belt transmission mechanism 15 is arranged between an output shaft of the workpiece motor and the workpiece shaft 21, the workpiece shaft 21 is driven to rotate through the belt transmission mechanism, and an electromagnetic chuck 32 is fixed at the tail end of the workpiece shaft and is used for sucking the roller blank so as to position the roller blank. An angle adjusting unit 4 is arranged between the headstock and the lower base, and the angle of the headstock relative to the supporting plate box is adjusted through the angle adjusting unit. The angle adjusting unit comprises an angle adjusting motor 43 fixed on the headstock, a gear set 41 fixed on the output end of the angle adjusting motor, and a gear ring 42 fixed on the lower base, wherein the gear ring is meshed with the gear set. When the angle adjusting motor works, the driving gear set rotates, and then the headstock rotates relative to the lower base.
Pallet box 12:
the pallet box 12 is fixed on the right side of the lower base, and a small pallet unit 6, a main shaft unit 7 and a large pallet unit 8 are arranged on the pallet box.
A large carriage unit 8:
as shown in fig. 1 and 2, the large planker unit 8 includes a large planker 81 slidably disposed on the pallet box, a planker motor fixed on the pallet box, a lead screw rotatably mounted on the pallet box and fixedly connected to an output end of the planker motor, and a lead screw nut engaged with the lead screw and fixedly connected to the large planker, wherein a guide rail is disposed on the pallet box, the large planker is slidably disposed on the guide rail, and the large planker moves in a transverse direction relative to the pallet box. The carriage motor, the lead screw and the lead screw nut form a carriage driving mechanism for driving the large carriage to slide relative to the carriage box.
A small carriage unit 6:
the small carriage unit 6 comprises a small carriage 61 arranged on the large carriage in a sliding manner, a carriage motor fixed on the large carriage, a lead screw rotatably arranged on the large carriage and fixedly connected with the output end of the carriage motor, and a lead screw nut matched with the lead screw and fixedly connected with the small carriage, wherein a guide rail is arranged on the large carriage, the small carriage is arranged on the guide rail in a sliding manner, and the small carriage moves along the longitudinal direction relative to the large carriage. The carriage motor, the lead screw and the lead screw nut form a carriage driving mechanism for driving the large carriage to slide relative to the carriage box.
The spindle unit 7:
as shown in fig. 1 and 2, a spindle unit 7 is fixed to the small carriage, and the spindle unit mainly includes a spindle head fixed to the small carriage and an electric spindle 71 rotatably mounted in the spindle head, and a grinding wheel 9 for grinding a roller material is fixed to the electric spindle.
Grinding wheel dressing unit 5:
the pallet box is provided with a grinding wheel truing unit 5 for maintaining the shape of the grinding wheel. As shown in fig. 2, the grinding wheel truing unit includes a bracket 52 disposed on the pallet box, a truing motor 51 fixed on the bracket, and a truing roller 53 fixed on an output end of the truing motor, wherein the position of the bracket is adjusted so that the truing roller is close to the grinding wheel, and the profile of the grinding wheel is trued by the truing roller.
The roller blank is placed in a grinding area so as to be convenient for a grinding wheel to grind the roller blank. The lower base is provided with a feeding and discharging unit 3.
Feeding and discharging unit 3:
as shown in fig. 3 to 6, the feeding and discharging unit 3 includes a first support 31, an electromagnetic chuck 32, a discharging channel 34, a feeding moving plate 35, a feeding slider 36, a feeding cylinder 37, a spring plate holder 38, a feeding spring plate 39, a second support 310, a crescent plate 311, a support 312, a knockout cylinder 313, a third support 315, a knockout head 316, a spring 317, a pin shaft 318 and a small spring plate 319, wherein the first support 31 and the second support 310 are both fixed on the support 312, the support 312 is slidably disposed on the crescent plate, a bolt is disposed between the crescent plate and the support, and a connection manner between the support and the crescent plate facilitates adjusting a position of the support on the crescent plate; after the position of the supporting seat is debugged, the supporting seat and the crescent plate are locked, and the crescent plate is fixedly installed on the headstock. The end faces of the first bearing and the second bearing at the action ends are provided with conical surfaces which are used for contacting with the outer wall of the roller blank 33. A material beating cylinder 313 is arranged between the two supporting seats, a material beating head 316 is fixed on a piston rod of the material beating cylinder, and the material beating head extends out under the action of the material beating cylinder to push the roller processing piece on the first supporting seat and the second supporting seat out of the first supporting seat and the second supporting seat. The material beating head is made of plastic, and the material beating cylinder forms a material beating driving mechanism for driving the material beating head to enter and exit the grinding processing area.
A circular electromagnetic chuck 32 is arranged above the crescent plate and fixed on the headstock, the electromagnetic chuck is used for adsorbing the roller blank after being electrified, the end face of the roller blank is contacted with the electromagnetic chuck at the moment, the positioning of the roller blank is realized, and meanwhile, the end face of the electromagnetic chuck can be used as a processing reference plane.
The material discharge channel 34 is obliquely arranged above the electromagnetic chuck and fixed on the headstock, as shown in fig. 6, the material discharge channel 34 is composed of a fixed plate 341 and a movable plate 342, the fixed plate 341 is in an L-shaped structure, the movable plate is slidably arranged on the fixed plate, the movable plate can translate relative to the fixed plate to adapt to roller blanks with different heights, and a roller blank sequencing space is defined between the movable plate and the fixed plate. The roller blanks are sequenced in a determined mode in the discharging channel and roll from a high position to a low position by means of self weight. A gap 343 is formed between the lower end of the fixed plate and the lower end of the movable plate, and the roller blank falls after passing through the gap. The gap is positioned above the electromagnetic chuck, and the roller blanks to be processed are conveyed into the material discharge channel 34 through a manual or lifting system to sequence the roller blanks.
A feeding cylinder 37 fixedly connected with the headstock is arranged above the electromagnetic chuck, a feeding sliding block 36 is hinged on a piston rod of the feeding cylinder, a feeding movable plate 35 is fixedly arranged on the feeding sliding block through a bolt, the feeding sliding block is vertically and slidably arranged on the headstock, and the feeding movable plate is driven to move up and down under the action of the feeding cylinder. The feeding cylinder and the feeding slide block form a feeding driving mechanism for driving the feeding movable plate to reciprocate up and down.
The right side of the discharge channel is provided with a spring plate seat 38 which is fixed on the frame through bolts. The left end of the spring plate seat is fixedly provided with a vertically-arranged feeding spring plate 39, the extension line of the discharging channel penetrates through the feeding spring plate, when roller blanks are placed in the discharging channel and roll to the lower end of the discharging channel from top to bottom, the roller blanks are contacted with the feeding spring plate, the roller blanks are prevented from falling down automatically, and at the moment, the roller blanks are in a waiting state and wait for the feeding movable plate to push the roller blanks down to the discharging channel.
The front end surface of the feeding sliding block is provided with a pin shaft 318 in a threaded manner, the pin shaft is sleeved with a spring 317, the front end of the spring is fixed with a small spring plate 319, and the small spring plate is in contact with the front end of the pin shaft under the action of the spring. The lower end of the small spring plate extends downwards to the front side of the electromagnetic chuck, the small spring plate is used for temporarily positioning the roller blank, and the front end face of the roller blank is in contact with the small spring plate; and then the electromagnetic chuck is electrified to suck the roller blank, and the positioning action of the small spring plate on the roller blank is invalid. According to the size of the roller blank, the position of the pin shaft on the feeding slide block is adjusted, and the distance between the small spring plate and the feeding slide block can be adjusted, so that the positioning requirements of the roller blanks with different sizes are met.
A discharge recovery unit:
as shown in fig. 3, the discharge recycling unit includes a discharge channel 14 fixed on the headstock and disposed obliquely, and a collecting basket 13 disposed on the headstock and located at the lower end of the discharge channel, and the roller workpieces pushed out by the material beating head fall on the discharge channel, roll along the discharge channel, and fall in the collecting basket.
The following describes the grinding process of the ball base surface of the roller blank:
(1) the roller blanks are conveyed into the discharging channel through a manual or lifting mechanism, and then roll from top to bottom under the action of self weight until the roller blanks roll to the lower end of the discharging channel and are contacted with the feeding spring plate;
(2) the feeding cylinder acts to push the feeding sliding block to move from top to bottom, and at the moment, the feeding movable plate gradually approaches to the roller blank contacted with the feeding spring plate from top to bottom;
(3) the feeding movable plate is contacted with the roller blank to push the roller blank to move from top to bottom, and the roller blank extrudes the feeding spring plate to expand the feeding spring plate (expanding, bending the feeding spring plate and moving the lower end of the feeding spring plate to the right);
(4) when the roller blank is separated from the discharge channel, the roller blank falls on the first support, the outer wall of the right side of the roller blank is in contact with the second support, and the small spring plate is in contact with the front end of the roller blank to temporarily position the roller blank; then the electromagnetic chuck is electrified to generate magnetism and attracts the rear end face of the roller blank, the feeding movable plate gradually contacts with the outer wall of the upper side of the roller blank along with the further downward movement of the feeding movable plate, the lower part of the feeding movable plate is provided with a third support, so that the roller blank is supported, clamped and fixed through the matching action of the first support, the second support, the third support and the electromagnetic chuck, the roller blank is positioned in the circumferential direction in a three-point positioning mode through the first support, the second support and the third support, and the roller blank is positioned along the axial direction of the roller blank after being attracted together by the electromagnetic chuck;
(5) then the large carriage unit and the small carriage unit act to enable the grinding wheel on the electric spindle to be close to the roller blank, and simultaneously the electric spindle acts to enable the grinding wheel to rotate so as to grind the spherical base surface of the roller blank;
(6) after the grinding operation is finished, the feeding cylinder is reset, the grinding wheel is quickly reset under the action of the large carriage unit and the small carriage unit, and the electromagnetic chuck loses power and demagnetizes; the material beating cylinder acts to enable the material beating head to be close to the ground roller workpiece and push the ground roller workpiece away from the grinding area; the pushed roller workpiece falls on the discharging channel 14 and then rolls along the discharging channel into the collecting basket 13;
(7) after the material beating operation is finished, the material beating cylinder acts to drive the material beating head to reset, and the operation is a working cycle;
(8) the shape of the grinding wheel deforms along with continuous use and loss; in order to ensure the appearance of the grinding wheel, the appearance of the grinding wheel is corrected by a grinding wheel correcting unit;
(9) according to the grinding requirement, when different positions of the roller blank are required to be ground, the angle adjusting unit drives the headstock to rotate in the horizontal plane, and then the angle of the headstock relative to the pallet box is adjusted.
Claims (8)
1. The special numerical control automatic grinding machine for the spherical surface of the spherical roller is characterized by comprising:
a lower base;
the headstock is rotatably arranged at the left end of the lower base, and an angle adjusting unit for driving the headstock to rotate in a horizontal plane is arranged on the lower base;
the supporting plate box is fixed at the right end of the lower base;
the large carriage unit comprises a large carriage which is connected with the carriage box in a sliding way along the transverse direction and a carriage driving mechanism for driving the large carriage;
the small carriage unit comprises a small carriage which is connected with the large carriage in a sliding way along the longitudinal direction and a carriage driving mechanism which drives the small carriage;
the spindle unit comprises an electric spindle fixed on the small carriage, and a grinding wheel is fixed on the electric spindle;
and the feeding and discharging unit is arranged on the headstock and used for conveying the roller blanks to the grinding area.
2. The numerically controlled automatic grinding machine for spherical roller and spherical base surfaces as claimed in claim 1, wherein the angle adjusting unit includes an angle adjusting motor fixed to the headstock, a gear train provided at an output end of the angle adjusting motor, and a gear ring fixed to the lower base, the gear ring being engaged with the gear train.
3. The numerical control automatic grinding machine special for the spherical surface and the spherical base surface of the spherical roller as claimed in claim 2, wherein the carriage driving mechanism comprises a carriage motor, a lead screw fixed at the output end of the carriage motor and a lead screw nut matched with the lead screw, and when the carriage motor is fixed on the carriage box, the lead screw nut is fixedly connected with the large carriage; when the carriage motor is fixed on the large carriage, the screw nut is fixedly connected with the small carriage.
4. The numerical control automatic grinding machine special for the spherical base surface of the spherical roller as claimed in claim 3, further comprising a grinding wheel dressing unit, wherein the grinding wheel dressing unit comprises a bracket arranged on the pallet box, a dressing motor fixed on the bracket, and a dressing roller fixed at the output end of the dressing motor.
5. The numerical control automatic grinding machine special for the spherical base surface of the spherical roller according to claim 4, wherein the feeding and discharging unit comprises a crescent, an electromagnetic chuck, a discharging channel, a feeding spring plate, a feeding movable plate and a beating head, two supporting seats are slidably arranged on the crescent along the arc direction, a locking structure is arranged between the supporting seats and the crescent, a first support is fixed on one of the supporting seats, and a second support is fixed on the other supporting seat; the electromagnetic chuck is arranged above the crescent plate and is fixedly connected with the workpiece shaft, and the workpiece shaft is driven to rotate by a workpiece motor arranged on the headstock; the discharging channel is obliquely arranged, the lower end of the discharging channel is positioned above the electromagnetic chuck, and a roller blank is placed on the discharging channel; the upper end of the feeding spring plate is fixedly connected with the headstock, the lower end of the feeding spring plate is suspended, and the extension line of the discharging channel is intersected with the feeding spring plate; the feeding movable plate is arranged on the left side of the feeding spring plate and the upper side of the lower end of the discharging channel, a feeding driving mechanism for driving the feeding movable plate to reciprocate up and down is arranged on the headstock, the lower part of the feeding movable plate is a third support, and when the feeding movable plate moves down to the lowest point, the roller blank is clamped and fixed in a grinding area under the matching action of the first support, the second support, the third support and the electromagnetic chuck; the material beating head is movably arranged on the crescent plate, and a material beating driving mechanism for driving the material beating head to enter and exit the grinding processing area is arranged on the crescent plate.
6. The numerical control automatic grinding machine special for the spherical surface roller and the spherical base surface as claimed in claim 5, wherein the feeding driving mechanism comprises a feeding cylinder fixedly connected with the headstock, and a feeding slide block hinged with a piston rod of the feeding cylinder, the feeding slide block is connected with the headstock in a vertical sliding manner, and the feeding movable plate is fixed on the feeding slide block.
7. The numerical control automatic grinding machine special for the spherical base surface of the spherical roller as claimed in claim 6, wherein a pin shaft is threadedly mounted on the front end surface of the feeding slide block, a spring is sleeved on the pin shaft, and a small spring plate is fixed at one end of the spring far away from the feeding slide block; and after the roller blank falls to the grinding area, the front end surface of the roller blank is contacted with the small spring plate.
8. The numerical control automatic grinding machine special for the spherical surface roller and the spherical base surface as claimed in claim 7, further comprising a discharge recovery unit, wherein the discharge recovery unit comprises a discharge channel which is fixed on the headstock and is obliquely arranged, and a collection basket which is arranged on the headstock and is positioned at the lower end of the discharge channel, and the roller workpiece pushed out by the material beating head falls on the discharge channel and falls in the collection basket after rolling along the discharge channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355747.3U CN210413950U (en) | 2019-08-19 | 2019-08-19 | Special numerical control automatic grinding machine for spherical surface of spherical roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921355747.3U CN210413950U (en) | 2019-08-19 | 2019-08-19 | Special numerical control automatic grinding machine for spherical surface of spherical roller |
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| CN210413950U true CN210413950U (en) | 2020-04-28 |
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| CN201921355747.3U Active CN210413950U (en) | 2019-08-19 | 2019-08-19 | Special numerical control automatic grinding machine for spherical surface of spherical roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692657A (en) * | 2020-12-10 | 2021-04-23 | 清研精密轴承研究院(洛阳)有限公司 | Workpiece rotating device with cam mechanism for conical roller ball base surface grinding machine |
-
2019
- 2019-08-19 CN CN201921355747.3U patent/CN210413950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692657A (en) * | 2020-12-10 | 2021-04-23 | 清研精密轴承研究院(洛阳)有限公司 | Workpiece rotating device with cam mechanism for conical roller ball base surface grinding machine |
| CN112692657B (en) * | 2020-12-10 | 2022-08-09 | 清研精密轴承研究院(洛阳)有限公司 | Workpiece rotating device with cam mechanism for conical roller ball base surface grinding machine |
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