CN210549689U - Annular part clamping driving device - Google Patents
Annular part clamping driving device Download PDFInfo
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- CN210549689U CN210549689U CN201921522998.6U CN201921522998U CN210549689U CN 210549689 U CN210549689 U CN 210549689U CN 201921522998 U CN201921522998 U CN 201921522998U CN 210549689 U CN210549689 U CN 210549689U
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Abstract
The utility model discloses an annular part clamping driving device, the clamping driving device comprises a first motor for driving the annular part to rotate along the axis, a positioning component for fixing the annular part on the output shaft of the first motor and a reciprocating driving structure for driving the annular part to reciprocate in the axial direction, the first motor is fixed on a motor bearing seat, and the reciprocating driving structure comprises an axial guiding component for guiding the motor bearing seat and an axial power component for providing power; the axial power assembly comprises an eccentric wheel for driving the motor bearing seat to reciprocate along the axial direction of the annular piece, a second motor for driving the eccentric wheel to rotate and a pressure spring for providing restoring force for the motor bearing seat. The clamping driving device can provide power for the annular part to rotate around the axis of the annular part, the second motor provides power for the annular part to reciprocate along the axial direction of the annular part, the clamping driving device has driving effects in two directions, double-sided machining can be carried out, and machining efficiency is improved.
Description
Technical Field
The utility model relates to an annular part processing technology field especially relates to an annular part centre gripping drive arrangement.
Background
In the processing processes of deburring, polishing or sharp edge blunting of the annular part and the like, the position of the annular part needs to be fixed by a positioning device firstly, so that subsequent processing is facilitated, however, most of the existing positioning mechanisms lack driving mechanisms, after the annular part is fixed, the surface of the annular part is modified manually or by corresponding processing machinery, then the position of the annular part is manually adjusted to continue processing, and the steps are repeated; for the positioning device with the rotary driving mechanism, the annular part can be driven to rotate along the axis of the annular part, when the front surface and the back surface of the annular part are machined, one surface needs to be machined firstly, then the annular part is taken down, the front surface and the back surface are reversed and then fixed on the positioning device, the other surface is machined, time and labor are wasted, and the machining efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an annular member centre gripping drive arrangement to the problem that the positioner who exists lacks actuating mechanism among the prior art.
Another aspect of the utility model is to provide the centre gripping drive of cyclic annular centre gripping drive arrangement, axial power component drive cyclic annular carries out reciprocating motion along the axial.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
a clamping driving device for an annular part comprises a first motor, a positioning assembly and a reciprocating driving structure, wherein the first motor is used for driving the annular part to rotate along the axis of the annular part, the positioning assembly is used for fixing the annular part on an output shaft of the first motor, and the reciprocating driving structure is used for driving the annular part to reciprocate in the axial direction;
the axial power assembly comprises an eccentric wheel for driving the motor bearing seat to reciprocate along the axial direction of the annular piece, a second motor for driving the eccentric wheel to rotate and a pressure spring for providing restoring force for the motor bearing seat.
In the technical scheme, one end of the pressure spring is sleeved outside the optical axis fixed on the motor bearing seat, the other end of the pressure spring is in contact with the side face of the fixed baffle, and a through hole for the optical axis to pass through is formed in the baffle.
In the above technical solution, the guide rail of the axial guide assembly is fixed on the bottom plate.
In the above technical scheme, the positioning assembly comprises a positioning mandrel fixed on the output shaft of the first motor, and a pressing ring and a locking nut which are used for pressing the annular member on the positioning mandrel.
In the technical scheme, the circumferential side wall of the positioning mandrel is of a boss structure, the circumferential side wall of the small-diameter end of the boss structure is used for limiting the radial position of the annular part, the step of the boss structure is matched with the compression ring to limit the axial position of the annular part, and the axial end part of the positioning mandrel is provided with a threaded shaft for loading the locking nut and the compression ring.
In the above technical scheme, a radial opening for the threaded shaft to pass through is formed in the radial direction of the pressure ring.
In the technical scheme, a blind hole used for being connected with a first motor output shaft is formed at one axial end of the positioning mandrel, a threaded hole communicated with the blind hole is formed in the radial direction of the positioning mandrel, and a jackscrew penetrates through the threaded hole to fix the positioning mandrel in a key groove in the axial direction of the first motor output shaft.
In the above technical solution, the eccentric wheel is fixed at an end of an output shaft of the second motor by a pressing plate or a screw to perform axial positioning and fastening.
In the above technical scheme, the axial guide assembly includes a first slider fixed at the bottom of the motor bearing seat and a first linear guide rail arranged along the axial direction, and the first slider is slidably connected to the first linear guide rail.
In the above technical scheme, the motor bearing seat is a folded plate with an L-shaped section, the horizontal plate of the motor bearing seat is connected with the first sliding block through a screw, and the vertical plate of the motor bearing seat is provided with a threaded connection hole and a through hole for loading the first motor.
The utility model discloses a further aspect, cyclic annular centre gripping drive arrangement, including following step:
and 2, starting the first motor, driving the annular part to rotate in the axial direction of the first motor, and driving the annular part to reciprocate along the axial direction of the annular part by the axial power assembly.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the clamping driving device can drive the annular part to rotate in the axial direction of the annular part and can also drive the annular part to reciprocate along the axial direction of the annular part, so that the front and back surfaces of a workpiece can contact with a processing mechanism (such as a deburring mechanism) and the like, and the processing efficiency is improved.
2. The positioning core shaft, the compression ring and the locking nut can be used for tightly fixing and positioning the annular part in two radial and axial directions, so that the annular part is prevented from being displaced in a high-speed rotating process, and the processing precision is improved.
3. The eccentric wheel drives the workpiece to reciprocate axially, so that both sides of the part of the workpiece needing deburring can effectively contact the deburring brush, and meanwhile, the periodical reciprocating motion can ensure that the deburring effect of both sides is consistent and the deburring efficiency can be improved.
Drawings
FIG. 1 is a front view of a ring clamp drive;
FIG. 2 is a top view of the ring clamp drive;
FIG. 3 is a side view of the ring clamp drive;
FIG. 4 is a cross-sectional view of the ring clamp drive;
FIG. 5 is an enlarged view of the positioning assembly;
FIG. 6 is an isometric view of a ring clamp drive;
FIG. 7 is an isometric view of the ring clamp drive assembly in cooperation with the ring deburring device in use;
in the figure: 1-bottom plate, 2-first bearing seat, 3-fifth motor, 4-brush wheel, 5-limiting seat, 6-limiting column, 7-air cylinder, 8-air cylinder support, 9-positioning mandrel, 10-first motor, 11-locking nut, 12-pressing ring, 13-ring piece, 14-jackscrew, 15-eccentric wheel, 16-pressing sheet, 17-second motor, 18-second sliding block, 19-second linear guide rail, 20-pressing spring, 21-baffle, 22-motor bearing seat, 23-threaded shaft, 24-first sliding block, 25-first linear guide rail, 26-step and 27-radial opening.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A clamping driving device for a ring-shaped member comprises a first motor 10 for driving the ring-shaped member to rotate along the axis of the ring-shaped member, a positioning assembly for fixing the ring-shaped member 13 on an output shaft of the first motor 10, and a reciprocating driving structure for driving the ring-shaped member 13 to reciprocate in the axial direction, wherein the first motor 10 is fixed on a motor bearing seat 22, and the reciprocating driving structure comprises an axial guiding assembly for guiding the motor bearing seat 22 and an axial power assembly for providing power;
the axial power assembly comprises an eccentric wheel for driving the motor bearing seat 22 to reciprocate along the axial direction of the annular part, a second motor for driving the eccentric wheel to rotate and a pressure spring 20 for providing restoring force for the motor bearing seat, wherein one end of the pressure spring 20 is in contact with the motor bearing seat 22, and the other end of the pressure spring is in contact with the fixed baffle 22.
The first motor 10 provides power for the annular part to rotate around the axis of the annular part, and the second motor provides power for the annular part to reciprocate along the axial direction of the annular part, so that the two-sided machining can be performed, and the machining efficiency is improved.
The annular part clamping and driving device comprises the following steps:
and 2, starting the first motor 10, wherein the first motor 10 drives the annular part to rotate in the axial direction, and meanwhile, the axial power assembly drives the annular part to reciprocate along the axial direction.
The same device is used for simultaneously completing the driving in two directions of axial rotation and axial advance and retreat, and the processing efficiency can be improved.
Example 2
Preferably, the guide rails of the axial guide assembly are fixed to the base plate 1. The bottom plate 1 provides a fixing surface, and the baffle plate 22 is also fixed on the bottom plate 1.
Preferably, the positioning assembly includes a positioning mandrel 9 fixed on the output shaft of the first motor 10, and a pressing ring 12 and a locking nut 11 for pressing the ring-shaped member 13 on the positioning mandrel 9, wherein:
the circumference lateral wall of positioning core axle 9 is boss structure, the circumference lateral wall of boss structure's minor diameter end is used for injecing the radial position of cyclic annular piece 13, boss structure's step 26 cooperation the clamping ring 12 is injectd the axial position of cyclic annular piece 13, positioning core axle 9 axial tip is equipped with threaded shaft 23 in order to load lock nut 11 with clamping ring 12, the confession has been seted up to the radial direction of clamping ring 12 the radial opening 27 that threaded shaft 23 passed.
The locating component can realize the radial and upward location of axial direction of annular member, and positional stability can reach and remove the thorn requirement, and the circumference lateral wall and the 13 internal diameter cooperations of cyclic annular member of boss minor diameter end, and the clearance volume is not more than 0.02mm, and the clamping ring 12 is right respectively with the step 26 of convex structure the axial both ends of cyclic annular member 13 are fixed to realize that the axial is spacing, and the clamping ring 12 is equipped with the incision along radial direction for pass positioning core axle 9.
The annular part can also be a cylindrical part or other polygonal round rotating parts, and only corresponding positioning components need to be designed, and other parts do not need to be changed.
The first motor 10 is a speed-regulating motor, more preferably an alternating current motor, and can meet the speed-regulating function within the range of 10-100 r/min of rotating speed.
Preferably, a blind hole for connecting an output shaft of the first motor 10 is formed at one axial end of the positioning mandrel 9, a threaded hole communicated with the blind hole is formed in the radial direction of the positioning mandrel 9, and the jackscrew 14 passes through the threaded hole to fix the positioning mandrel 9 in a key slot in the axial direction of the output shaft of the first motor 10. The jackscrew 14 is a standard universal part and is used for limiting and fastening the positioning mandrel 9, and limiting and fastening are realized by screwing in a radial threaded hole of the positioning mandrel 9 and entering a key groove on the shaft of the speed regulating motor 10.
The second motor 17 drives the eccentric wheel 15 to rotate, the eccentric wheel 15 is provided with a through hole in the radial direction, a certain distance exists between the circle center of the through hole and the whole circle center, the rotation track is oval, the rotation track of the eccentric wheel 15 is oval, the outer edge of the eccentric wheel 15 is in contact with the motor bearing seat 22, the motor bearing seat 2 is pushed to move back and forth along the axial direction of the annular part 13 during rotation, the pressure spring 20 is used for providing resilience force capable of enabling the motor bearing seat 22 to move back and forth, and the diameter of a steel wire of the pressure spring is matched according to the rotation torque of the second motor. The second motor 17 is a speed-regulating motor, more preferably an alternating current motor, and can meet the speed-regulating function within the range of 10-100 r/min of rotating speed.
Preferably, the second motor 17 is fixed on the lower surface of the plate 1, the output shaft of the second motor 17 passes through a through hole formed on the plate 1 and faces upward, and the eccentric 15 is fixed on the end of the output shaft of the second motor 17 by a pressing plate 16 or a screw. For axial positioning and tightening, the pressure plate 16 and the screw can both effect the fixing of the eccentric 15.
Preferably, one end of the pressure spring 20 is sleeved outside the optical axis fixed on the motor bearing seat 2, the other end of the pressure spring is in contact with the side surface of the baffle plate 21, and a through hole for the optical axis to pass through is formed in the baffle plate 21. The baffle 21 is used for limiting the pressure spring 20.
Preferably, the motor bearing seat 22 is a folded plate with an L-shaped cross section, the verticality requirement is 0.01mm, the first motor 10 is fixed on a vertical plate of the folded plate through a screw, and the first motor 10 is located right above a horizontal plate of the folded plate. The space is saved, and the fixation is firm and stable.
Preferably, the axial guide assembly includes a first slider 24 fixed at the bottom of the motor bearing seat 22 and a first linear guide 25 arranged along the advancing and retreating direction, and the first slider 24 is slidably connected to the first linear guide 25. The first slider 24 is fixed to the bottom surface of the horizontal plate of the motor bearing seat 22 by screws. The first linear guide rail 25 is a dovetail groove guide rail, and a dovetail groove is formed on the first slider 24. The inner side of the dovetail groove can be embedded with balls, so that the sliding effect is improved. The first sliding block 24 is a standard universal part and is matched with the first linear guide rail 25 for use, and the motion straightness error is not more than 0.02mm within the range of 100 mm. The first linear guide rail 25 is a standard universal part and is matched with the first sliding block 24 for use, and the motion straightness error is not more than 0.02mm within the range of 100 mm. The axial guide assembly can also adopt a linear bearing pair with a sliding block.
The horizontal plate of the motor bearing seat 22 is connected with the first sliding block 24 through a screw, and the vertical plate of the motor bearing seat 22 is provided with a threaded connecting hole and a through hole for loading the first motor 10.
And (3) mounting the annular piece 13 on the positioning mandrel 9, putting the pressing ring 12 on the positioning mandrel, and screwing the locking nut 11 to finish the workpiece clamping. The device is started to be switched on, the deburring mechanism enters a working position under the pushing of the air cylinder 7, then the brush wheel 4 and the positioning mandrel 9 rotate oppositely under the driving of the motor, meanwhile, the eccentric wheel 15 also rotates under the driving of the motor, so that workpieces reciprocate along the axial direction at the same time, the working time of the device is controlled by a time relay and can be set according to the process requirement condition, after the set time is reached, the device stops running and resets, and the workpieces are taken down to complete the deburring operation.
Example 3
A ring deburring device comprising a deburring mechanism and the ring holding drive device of embodiment 1 or 2, wherein:
the deburring mechanism comprises a brush wheel 4, a fifth motor 3 for driving the brush wheel 4 to rotate along the axis of the brush wheel and a first driving structure for driving the brush wheel 4 to enter or exit a station; the motor 3 is fixed on the first bearing seat 2, and the first driving structure comprises a first guide assembly for providing advancing and retreating guide for the first bearing seat 2 and a first power assembly for driving the first guide assembly to move along the advancing and retreating direction;
the deburring mechanism is mainly used for clamping the deburring brush wheel and driving the deburring brush wheel to rotate, and has the functions of entering and exiting stations; the workpiece clamping mechanism is used for clamping and rotating the annular part 13, has an axial reciprocating motion function, strengthens the deburring effect and ensures the deburring quality.
The rotating direction of the annular part 13 is opposite to that of the brush wheel 4, and the opposite rotation can optimize the spine removing effect and improve the spine removing efficiency. The guide rails of the first guide assembly and the axial guide assembly are fixed on the bottom plate 1, the first driving structure drives the brush wheel 4 to advance and retreat in the Y-axis direction of the bottom plate 1, and the axial power assembly drives the structural annular part 13 to move back and forth in the X-axis direction of the bottom plate 1.
The first bearing seat 2 is of a plate-shaped structure with an L-shaped section. The verticality requirement is 0.01mm, the fifth motor 3 is fixed on the vertical plate of the plate-shaped structure through a screw, and the fifth motor 3 is positioned right above the horizontal plate of the plate-shaped structure. The space is saved, and the fixation is firm and stable.
The first guide assembly comprises a second sliding block 18 fixed at the bottom of the first bearing seat 2 and a second linear guide rail 19 arranged along the advancing and retreating direction, and the second sliding block 18 is connected to the second linear guide rail 19 in a sliding manner. The second slide block 18 is fixed on the bottom surface of the horizontal plate of the first bearing seat 2 by screws. The second linear guide rail 19 is a dovetail groove guide rail, and a dovetail groove is formed on the second slide block 18. The inner side of the dovetail groove can be embedded with balls, so that the sliding effect is improved. The second sliding block 18 is a standard universal part and is matched with the second linear guide rail 19 for use, and the motion straightness error is not more than 0.02mm within the range of 100 mm. The second linear guide rail 19 is a standard universal part and is matched with the second sliding block 18 for use, and the motion straightness error is not more than 0.02mm within the range of 100 mm. The fifth motor 3 is an alternating current or direct current type high-speed motor, and the rotating speed is more than 2000 r/min.
And a brush wheel rod of the brush wheel 4 is fixed on an output shaft of the fifth motor 3 through a three-jaw chuck. The brush wheel 4 is clamped by the three-jaw chuck, so that the rotating concentricity of the brush wheel 4 is ensured. The brush wheel 4 is a composite material brush wheel, which is a special wheel-shaped brush for removing thorns or polishing, the wheel diameter and the brush wire diameter can be adjusted according to requirements, and sand grains or other auxiliary materials for increasing friction force can be added into the brush wire material; the straightness of the brush wheel rod is required to be not less than 0.05 mm.
The end part of the first guide component is fixed with a limiting seat 5 to limit the feeding position of the brush wheel 4, and a limiting column 6 facing the first bearing seat 2 is arranged on the limiting seat 5. The limiting seat 5 is of a plate-shaped structure with an L-shaped section, a horizontal panel of the limiting seat 5 is fixed on the bottom plate 1 through a screw, and a vertical panel of the limiting seat 5 is used for limiting the feeding position of the first bearing seat 2, so that the feeding position of the brush wheel 4 is limited, and the brush wheel can accurately enter a station. The limiting column 6 is a columnar stepped shaft made of elastic materials such as PTFE (polytetrafluoroethylene) or nylon, the small-diameter end of the limiting column is arranged in a through hole in the upper part of the vertical panel of the limiting seat 5, and the limiting column 6 can also be replaced by an elastic buffer (a standard universal part) to limit the bearing plate I2.
The first power assembly comprises a cylinder 7, and the lever tail end of the cylinder 7 is fixedly connected with the first bearing seat 2 (through threaded connection). The first power assembly may be replaced by other mechanisms or standard components that achieve reciprocating motion. The tail end of the cylinder body of the cylinder 7 is fixed on a cylinder support 8, and the cylinder support 8 is fixed on the bottom plate 1. The cylinder support 8 is of a stepped shaft structure, the large-diameter section is an optical axis, a screw hole is formed in the bottom of the large-diameter section and is connected with the bottom plate 1 through a screw, an external thread is formed in the small-diameter section, and a matching fixing bolt is used for connecting and fastening the connecting ring at the end portion of the cylinder 7.
The annular component deburring device comprises the following steps:
and 3, the brushing wheel 4 is driven by the first driving structure to exit the station, the fifth motor 3 and the first motor 10 are closed, and the annular part 13 is taken down from the workpiece clamping mechanism.
More specifically, the annular member 13 is mounted on the positioning mandrel 9, the press ring 12 is placed thereon, and the lock nut 11 is tightened to complete the workpiece chucking. The device is started to be switched on, the deburring mechanism enters a working position under the pushing of the air cylinder 7, then the brush wheel 4 and the positioning mandrel 9 rotate oppositely under the driving of the motor, meanwhile, the eccentric wheel 15 also rotates under the driving of the motor, so that workpieces reciprocate along the axial direction at the same time, the working time of the device is controlled by a time relay and can be set according to the process requirement condition, after the set time is reached, the device stops running and resets, and the workpieces are taken down to complete the deburring operation.
Example 4
The ring clamp driving device of embodiment 1 or 2 can be applied to a ring polishing device, and the brush wheel of embodiment 3 is replaced with a polishing wheel.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A ring-shaped member clamping driving device is characterized in that: the annular part driving device comprises a first motor, a positioning assembly and a reciprocating driving structure, wherein the first motor is used for driving the annular part to rotate along the axis of the annular part, the positioning assembly is used for fixing the annular part on an output shaft of the first motor, and the reciprocating driving structure is used for driving the annular part to reciprocate in the axial direction;
the axial power assembly comprises an eccentric wheel for driving the motor bearing seat to reciprocate along the axial direction of the annular piece, a second motor for driving the eccentric wheel to rotate and a pressure spring for providing restoring force for the motor bearing seat.
2. The ring clamp drive of claim 1, wherein: one end of the pressure spring is sleeved outside an optical axis fixed on the motor bearing seat, the other end of the pressure spring is in contact with the side face of the fixed baffle, and a through hole for the optical axis to pass through is formed in the baffle.
3. The ring clamp drive of claim 1, wherein: and the guide rail of the axial guide assembly is fixed on the bottom plate.
4. The ring clamp drive of claim 1, wherein: the positioning assembly comprises a positioning mandrel fixed on an output shaft of the first motor, and a pressing ring and a locking nut which are used for pressing the annular part on the positioning mandrel.
5. The ring clamp drive of claim 4, wherein: the circumference lateral wall of positioning core axle is boss structure, the circumference lateral wall of boss structure's minor diameter end is used for injecing the radial position of cyclic annular piece, boss structure's step cooperation the clamping ring is injectd the axial position of cyclic annular piece, positioning core axle axial tip is equipped with the screw shaft in order to load lock nut with the clamping ring.
6. The ring clamp drive of claim 5, wherein: and a radial opening for the threaded shaft to pass through is formed in the radial direction of the compression ring.
7. The ring clamp drive of claim 6, wherein: the positioning core shaft is characterized in that a blind hole used for being connected with a first motor output shaft is formed at one axial end of the positioning core shaft, a threaded hole communicated with the blind hole is formed in the radial direction of the positioning core shaft, and a jackscrew penetrates through the threaded hole to fix the positioning core shaft in a key groove in the axial direction of the first motor output shaft.
8. The ring clamp drive of claim 1, wherein: the eccentric wheel is fixed at the end part of the output shaft of the second motor through a pressing sheet or a screw to perform axial positioning and fastening.
9. The ring clamp drive of claim 1, wherein: the axial direction subassembly is including fixing the first slider of motor bearing seat bottom and following the first linear guide rail that the axial direction set up, first slider sliding connection be in on the first linear guide rail.
10. The ring clamp drive of claim 1, wherein: the motor bearing seat is a folded plate with an L-shaped section, a horizontal plate of the motor bearing seat is connected with the first sliding block through a screw, and a vertical plate of the motor bearing seat is provided with a threaded connecting hole and a through hole for loading the first motor.
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| CN201921522998.6U CN210549689U (en) | 2019-09-12 | 2019-09-12 | Annular part clamping driving device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921522998.6U CN210549689U (en) | 2019-09-12 | 2019-09-12 | Annular part clamping driving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476233A (en) * | 2019-09-12 | 2021-03-12 | 中核(天津)科技发展有限公司 | Annular member clamping driving device and clamping driving method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476233A (en) * | 2019-09-12 | 2021-03-12 | 中核(天津)科技发展有限公司 | Annular member clamping driving device and clamping driving method thereof |
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