CN210307202U

CN210307202U - U axle improvement type grinding wheel device

Info

Publication number: CN210307202U
Application number: CN201921136646.7U
Authority: CN
Inventors: 杨子星; 姜建春; 汤超
Original assignee: Changzhou Curve Cnc Technology Co Ltd
Current assignee: Changzhou Curve Cnc Technology Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-14
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a U axle improvement type grinding wheel device relates to the grinding wheel device field, including grinding a casing, grind the top of a casing and install speed reducer base, and speed reducer base's top is connected with the speed reducer, the motor is installed to the input of speed reducer, and the output of speed reducer is connected with the lead screw, the bottom of lead screw is connected with linear bearing, and linear bearing's the outside is connected with the bearing base, the outside of lead screw is connected with nut seat, and nut seat's top is provided with the link, and the one end rotation of link is connected with the gyro wheel. The utility model discloses a be provided with speed reducer and speed reducer base, inside the speed reducer through inserting the output of motor specialty to drive lead screw nut seat through the speed reducer and rotate, the straight-line elevating movement is done to the lead screw, for the turbine assembly, need not to adjust and grinds the clearance, has simplified the speed reducing mechanism assembling process, has increased the efficiency of device assembly, has promoted the precision of speed reduction structure.

Description

U axle improvement type grinding wheel device

Technical Field

The utility model relates to a grinding wheel device field specifically is a U axle improvement type grinding wheel device.

Background

The U-axis feeding device of the roll grinder is an important component for ensuring the micro-feeding of the roll grinder, and the feeding sensitivity and the repeated positioning stability need to be ensured, so that the two points are two major difficulties which need to be overcome in manufacturing;

traditional U axle feeding device realizes slowing down through the cooperation of turbine worm and gear, because the assembly of turbine worm needs to adjust and grinds the clearance, and the process of turbine and gear cooperation assembly is comparatively loaded down with trivial details, the efficiency of device assembly has been reduced, the precision of speed reduction structure has been reduced, current U axle feeding device need pass through multiunit gear as drive mechanism, when rotatory at the gear, the device can produce great noise, and general unit preparation drive mechanism makes the accuracy of device lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the traditional U-shaft feeding device is decelerated through the matching of a turbine and gears, the existing grinding wheel device needs to use a plurality of groups of gears as a transmission mechanism, and the improved U-shaft grinding wheel device is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a U-shaft improved grinding wheel device comprises a grinding frame shell, wherein a speed reducer base is arranged at the top end of the grinding frame shell, the top end of the speed reducer base is connected with a speed reducer, the input end of the speed reducer is provided with a motor, the bottom end of the speed reducer is connected with a speed reducer base, the output end of the speed reducer is connected with a screw rod nut seat, and the interior of the screw rod nut seat is connected with a screw rod, the bottom end of the screw rod is connected with a linear bearing, the outer side of the linear bearing is connected with a bearing base, the outer side of the screw rod is connected with a lifting platform, and the top end of the lifting platform is provided with a connecting frame, one end of the connecting frame is rotatably connected with a roller, and the outside of link is connected with the block frame, the bottom of block frame is connected with the balancing weight, the link is kept away from one side of gyro wheel and is connected with eccentric cover, and the internal connection of eccentric cover has the main shaft, the emery wheel is installed in the outside of main shaft.

Preferably, the grinding frame shell is fixedly connected with the bearing base through a bolt, and the grinding frame shell is rotatably connected with the power-off protection oil cylinder through a rotating shaft.

Preferably, the screw rod nut seat is connected with the output end of the speed reducer through a tensioning sleeve, the screw rod is connected with the lifting platform through a bolt, and the screw rod is connected with the linear bearing through a ball in a sliding manner.

Preferably, one end of the connecting frame is movably connected with the lifting platform through a roller, and the connecting frame is rotatably connected with the roller through a rotating shaft.

Preferably, the main shaft is rotatably connected with the eccentric sleeve through a rotating shaft, and the main shaft is connected with the grinding wheel in a clamping manner.

Preferably, the grinding frame shell is internally provided with a power-off protection oil cylinder, and the output end of the power-off protection oil cylinder is rotatably connected with one end of the connecting frame.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a be provided with speed reducer and speed reducer base, inside the speed reducer through the output with the motor inserts the specialty, and it is rotatory to drive the lead screw through the speed reducer, for the turbine assembly, need not to adjust and grind the clearance, speed reducing mechanism assembling process has been simplified, the efficiency of device assembly has been increased, the precision of speed reducing structure has been promoted, through being provided with the lead screw, a bearing, bearing base and nut seat, it is rotatory that the output through the control motor drives screw-nut, relative gear engagement rotates, the speed reducing mechanism of self-control, the motor drives the speed reducer of purchasing outward, the speed reducer drives the rotation of screw-nut and can not produce great noise, and nut seat and lead screw pass through the screw thread and go up and down, transmission.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of the screw mounting of the present invention;

fig. 3 is a schematic view of the eccentric sleeve structure of the present invention.

In the figure: 1. a grinding frame shell; 2. a motor; 3. a speed reducer; 4. a reducer base; 5. a screw rod; 6. A bearing; 7. a bearing mount; 8. a lifting platform; 9. a connecting frame; 10. clamping the frame; 11. a balancing weight; 12. a roller; 13. an eccentric sleeve; 14. a main shaft; 15. a grinding wheel; 16. and (5) powering off the protection oil cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses the motor (the model is 90YYJJ) and the power-off protection hydro-cylinder (the model is HOB) that mention all can be in market or private order and obtain.

Referring to fig. 1-3, an improved grinding wheel device with U-axis comprises a grinding frame housing 1, a speed reducer base 4 is installed at the top end of the grinding frame housing 1, a speed reducer 3 is connected to the top end of the speed reducer base 4, a motor 2 is installed at the input end of the speed reducer 3, the bottom end of the speed reducer 3 is connected to the speed reducer base 4, the output end of the speed reducer 3 is connected to a screw nut seat 17, a screw 5 is connected to the inside of the screw nut seat 17, a linear bearing 6 is connected to the bottom end of the screw 5, a bearing base 7 is connected to the outside of the linear bearing 6, a lifting platform 8 is connected to the outside of the screw 5, a connecting frame 9 is installed at the top end of the lifting platform 8, a roller 12 is rotatably connected to one end of the connecting frame 9, a clamping frame 10 is connected to the outside of the connecting frame 9, a counterweight, a main shaft 14 is connected to the inside of the eccentric sleeve 13, and a grinding wheel 15 is mounted on the outer side of the main shaft 14.

Please refer to fig. 1, the grinding frame housing 1 is fixedly connected to the bearing base 7 by bolts, and the grinding frame housing 1 is rotatably connected to the power-off protection cylinder 16 by a rotating shaft, so as to enhance the stability of the device and reduce the probability of damage to the device.

Please refer to fig. 1 and fig. 2, the lead screw nut seat 17 is connected with the output end of the speed reducer 3 through the tensioning sleeve, the lead screw 5 is connected with the lifting platform 8 through the bolt, and the lead screw 5 is connected with the linear bearing 6 through the ball in a sliding manner, so that the rotating stability of the lead screw 5 is enhanced, and the probability of inclination of the lead screw 5 is reduced.

Please refer to fig. 2, one end of the connecting frame 9 is movably connected to the lifting platform 8 through the roller 12, and the connecting frame 9 is rotatably connected to the roller 12 through the rotating shaft, when the screw 5 drives the lifting platform 8 to ascend or descend, the connecting frame 9 ascends or descends synchronously under the action of the roller 12 and the counterweight 11, so as to improve the precision of the device.

Please refer to fig. 3, the main shaft 14 is rotatably connected to the eccentric sleeve 13 through the rotation shaft, and the main shaft 14 is connected to the grinding wheel 15 in a clamping manner, so that the main shaft 14 does not drive the eccentric sleeve 13 to rotate synchronously when rotating, thereby enhancing the stability of the device.

Please refer to fig. 1, a power-off protection cylinder 16 is installed inside the grinding frame housing 1, and an output end of the power-off protection cylinder 16 is rotatably connected with one end of the connecting frame 9, when the device is powered off, the output end of the power-off protection cylinder 16 extends out, so that the spindle 14 and the grinding wheel 15 can be displaced leftward, and the workpiece is prevented from being damaged by the grinding wheel 15.

The working principle is as follows: when the grinding device is used, an external power supply is required to be connected into the grinding device, so that the grinding device can normally operate, when the grinding device is required to grind, the grinding wheel 15 is driven to rotate through the control main shaft 14, when the grinding wheel 15 grinds a workpiece, the output end of the control motor 2 starts to rotate, the screw rod nut seat 17 starts to drive the screw rod to move upwards under the action of the speed reducer 3, as the bottom end of the screw rod 5 is connected with the linear bearing 6, and the linear bearing 6 is installed inside the grinding frame shell 1 through the bearing base 7, the screw rod 5 is not easy to incline when moving up and down, the lifting platform 8 fixedly connected with the screw rod 5 through the bolt is driven to start to ascend along with the movement of the screw rod 5, the connecting frame 9 is positioned at one end of the roller 12 to start to ascend along with the continuous ascending of the lifting platform 8, and at the moment, the, along with the rotation of eccentric bushing 13, make main shaft 14 drive emery wheel 15 skew left, through the height of control lift platform 8, realized the device in the operation in-process adjust the purpose of the distance between emery wheel 15 and the work piece, the machining precision of device has been promoted, when the device takes place to have a power failure, the output through control outage protection hydro-cylinder 16 begins to stretch out, the one end that link 9 is located gyro wheel 12 at this moment begins to rise, the gyro wheel breaks away from lift platform this moment, drive link 9 and eccentric bushing 13 and take place to rotate, make main shaft 14 and emery wheel 15 remove left under the effect of eccentric bushing 13, emery wheel 15 is not fragile processing work piece under the rotatory in-process of surplus kinetic energy at this moment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a U axle improvement type grinding wheel device, includes and grinds frame casing (1), its characterized in that: the grinding frame is characterized in that a speed reducer base (4) is installed at the top end of a grinding frame shell (1), the top end of the speed reducer base (4) is connected with a speed reducer (3), a motor (2) is installed at the input end of the speed reducer (3), the bottom end of the speed reducer (3) is connected with the speed reducer base (4), the output end of the speed reducer (3) is connected with a screw rod nut base (17), a screw rod (5) is connected inside the screw rod nut base (17), a linear bearing (6) is connected at the bottom end of the screw rod (5), a bearing base (7) is connected outside the linear bearing (6), a lifting platform (8) is connected outside the screw rod (5), a connecting frame (9) is arranged at the top end of the lifting platform (8), a roller (12) is rotatably connected at one end of the connecting frame (9), and a clamping frame (10), the bottom end of the clamping frame (10) is connected with a balancing weight (11), one side, far away from the roller (12), of the connecting frame (9) is connected with an eccentric sleeve (13), the inner portion of the eccentric sleeve (13) is connected with a main shaft (14), and a grinding wheel (15) is installed on the outer side of the main shaft (14).

2. The improved grinding wheel device for the U shaft as claimed in claim 1, wherein: grind a casing (1) and pass through bolt fixed connection with bearing base (7), and grind a casing (1) and rotate through the pivot with power-off protection hydro-cylinder (16) and be connected.

3. The improved grinding wheel device for the U shaft as claimed in claim 1, wherein: the screw rod nut seat (17) is connected with the output end of the speed reducer (3) through a tensioning sleeve, the screw rod (5) is connected with the lifting platform (8) through a bolt, and the screw rod (5) is connected with the linear bearing (6) through a ball in a sliding mode.

4. The improved grinding wheel device for the U shaft as claimed in claim 1, wherein: one end of the connecting frame (9) is movably connected with the lifting platform (8) through the roller (12), and the connecting frame (9) is rotatably connected with the roller (12) through a rotating shaft.

5. The improved grinding wheel device for the U shaft as claimed in claim 1, wherein: the main shaft (14) is rotatably connected with the eccentric sleeve (13) through a rotating shaft, and the main shaft (14) is connected with the grinding wheel (15) in a clamping mode.

6. The improved grinding wheel device for the U shaft as claimed in claim 1, wherein: grind the internally mounted of frame casing (1) and have outage protection hydro-cylinder (16), and the output of outage protection hydro-cylinder (16) is rotated with the one end of link (9) and is connected.