Clamping device of grinding wheel gear grinding machine
Technical Field
The utility model relates to a clamping device of a grinding wheel gear grinding machine, and belongs to the technical field of clamping equipment of the gear grinding machine.
Background
The grinding wheel gear grinding machine is a gear processing machine tool for processing cylindrical gears or processing tooth surfaces of cutters by using a grinding wheel as a grinding tool or processing certain gears (such as bevel gears, bevel gears and the like in a new energy automobile transmission assembly), and the gears are required to be polished by the grinding wheel gear grinding machine in the processing process.
According to the publication number CN220347377U, a universal clamping device for a numerical control forming grinding wheel gear grinding machine is disclosed, a clamping fixture assembly and a three-jaw self-centering chuck are arranged at two parts, the clamping fixture assembly is used for being fixed with a machine tool workbench surface by bolts, the device can be used for workpieces with multiple specifications due to the fact that the three-jaw self-centering chuck is arranged, the universality is strong, the problems that the diameter of a part is various, the acquisition period of the universality is long, the cost is too high and the like are solved, the device needs to rotate an adjusting screw for many times when clamping a gear, so that the gear is inconvenient to assemble and disassemble, and meanwhile, after the gear is clamped, the bottom surface of the gear is in contact with the device, the situation that part of the position of a grinding wheel is inconvenient to polish the gear easily occurs when the gear is ground, and the polishing efficiency of the device is low are solved.
Disclosure of utility model
The utility model aims to provide the clamping device of the grinding wheel gear grinding machine, which can conveniently clamp gears, simultaneously conveniently polish the clamped gear teeth, and improve the polishing efficiency of the device, thereby effectively improving the practicability of the device and solving the problems in the background technology.
The clamping device for the grinding wheel gear grinding machine comprises a fixed seat, wherein a support is fixedly arranged at the top end of the fixed seat, a first chute is formed in the upper portion of the support, a plurality of through grooves are formed in an annular array at the top end of the support, the bottom ends of the through grooves are communicated with the inner space of the first chute, a plurality of support rods are symmetrically arranged on the inner wall of the bottom end of the first chute in an array sliding manner, a movable seat is fixedly connected to the top end of each support rod, a plurality of bottom posts are slidably arranged on the annular array at the top end of each movable seat, fixing plates are fixedly arranged at the top ends of the bottom posts, nuts are fixedly arranged on the fixing plates, adjusting screws are arranged in the nuts in a threaded manner, and clamping blocks are connected to the other ends of the adjusting screws in a rotating manner.
As further optimization, fixing holes are symmetrically formed in the top ends of two sides of the fixing base in a penetrating mode.
As further optimization, a second sliding groove is formed in the lower portion of the fixing seat, a first motor is fixedly arranged on the inner wall of the bottom end of the second sliding groove, a first screw rod is fixedly connected to the output end of the first motor, a sliding plate is sleeved on the first screw rod in a threaded mode, and the bottom end of the supporting rod extends into the second sliding groove and is fixedly connected with the top end of the sliding plate.
As further optimization, the cross sections of the sliding plate and the second sliding groove are rectangular structures, and a threaded sleeve matched with the first screw rod is fixedly embedded in the sliding plate in a penetrating mode.
As further optimization, a plurality of third sliding grooves are formed in the annular array at the top end of the movable seat, a second screw rod is arranged in the third sliding grooves in a rotating mode, a sliding block is arranged on the second screw rod in a threaded mode, the top end of the sliding block is fixedly connected with the bottom end of the adjacent bottom post, and the sliding block is fixedly embedded with the threaded sleeve matched with the second screw rod in a penetrating mode.
As further optimization, a motor II is fixedly embedded in the movable seat, the output end of the motor II is fixedly connected with a bevel gear I, one end, close to the bevel gear I, of the screw rod II is fixedly connected with a bevel gear II, and the bevel gear II is meshed with the bevel gear I.
As further optimization, the anti-skid pads are fixedly arranged on one sides of the clamping blocks, which are far away from the fixing plates, so that the anti-skid performance can be improved.
Compared with the prior art, the gear grinding device has the beneficial effects that the motor II, the movable seat, the adjusting screw and the clamping block are arranged, when the gear grinding device is used, the adjusting screw is rotated, so that the adjusting screw drives the clamping block to move to a proper position through the nut, the gear is placed on the support, the bottom end of the gear is abutted against the top end of the bottom post, meanwhile, the clamping block is positioned in the inner ring of the gear, then the motor II drives the bevel gear I to rotate, the bevel gear I drives the screw rod II to rotate through the bevel gear II, the screw rod II drives the sliding block to move in the sliding groove III, the sliding block can drive the bottom post to move back through the clamping block, the motor at the moment drives the screw rod I to rotate, the sliding plate can drive the movable seat to move upwards through the supporting rod, so that the bottom post is driven to move upwards to a proper height, the gear can be supported through the bottom post, and meanwhile, the gear teeth of the gear are all positioned outside the bottom post, so that the gear teeth can be suspended, the gear can be conveniently ground, the gear teeth can be conveniently ground, the gear grinding device can be clamped conveniently, and the efficiency of the gear grinding device after clamping is convenient, and the gear grinding efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a top view of the mount of the present utility model;
In the figure, the reference numerals are 1, a fixed seat, 2, a support, 3, a first sliding chute, 4, a supporting rod, 5, a movable seat, 6, a bottom column, 7, a fixed plate, 8, a nut, 9, an adjusting screw, 10, a clamping block, 11, a second sliding chute, 12, a first motor, 13, a first screw rod, 14, a sliding plate, 15, a third sliding chute, 16, a second screw rod, 17, a sliding block, 18, a second motor, 19, a first bevel gear, 20 and a second bevel gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 4, a clamping device of a grinding wheel gear grinding machine comprises a fixed seat 1, a support 2 is fixedly arranged at the top end of the fixed seat 1, a first sliding groove 3 is formed in the upper portion of the support 2, a plurality of through grooves are formed in an annular array at the top end of the support 2, the bottom ends of the through grooves are all communicated with the inner space of the first sliding groove 3, a plurality of supporting rods 4 are symmetrically arranged on the inner wall of the bottom end of the first sliding groove 3 in an array sliding manner, a movable seat 5 is fixedly connected to the top end of the supporting rods 4, a plurality of bottom columns 6 are slidably arranged at the annular array at the top end of the movable seat 5, fixing plates 7 are fixedly arranged at the top ends of the bottom columns 6, nuts 8 are fixedly arranged on the fixing plates 7, adjusting screws 9 are rotatably arranged in the nuts 8 in a threaded manner, and clamping blocks 10 are rotatably connected to the other ends of the adjusting screws 9.
The fixing holes are symmetrically formed in the top ends of two sides of the fixing seat 1 in a penetrating mode, and the fixing holes are formed in the fixing seat, so that the device can be fixed at a proper position by using bolts.
A second sliding groove 11 is formed in the lower portion of the fixed seat 1, a first motor 12 is fixedly arranged on the inner wall of the bottom end of the second sliding groove 11, a first screw rod 13 is fixedly connected to the output end of the first motor 12, a sliding plate 14 is sleeved on the first screw rod 13, the bottom end of each supporting rod 4 extends into the second sliding groove 11 and is fixedly connected with the top end of each sliding plate 14, the cross sections of the sliding plates 14 and the second sliding groove 11 are of rectangular structures, a threaded sleeve matched with the first screw rod 13 is fixedly embedded in the sliding plates 14 in a penetrating mode, the first screw rod 13 is driven to rotate through the first motor 12, at the moment, the first screw rod 13 drives the sliding plates 14 to move in the second sliding groove 11, the sliding plates 14 drive the movable seat 5 to move up and down through the supporting rods 4, and accordingly the movable seat 5 drives the bottom column 6 to move up and down.
A plurality of third sliding grooves 15 are formed in the annular array at the top end of the movable seat 5, a second screw rod 16 is rotatably arranged in the third sliding grooves 15, a sliding block 17 is sleeved on the second screw rod 16, the top end of the sliding block 17 is fixedly connected with the bottom end of the adjacent bottom post 6, a threaded sleeve matched with the second screw rod 16 is fixedly embedded in the sliding block 17, a second motor 18 is fixedly embedded in the movable seat 5, the output end of the second motor 18 is fixedly connected with a first bevel gear 19, one end, close to the first bevel gear 19, of the second screw rod 16 is fixedly connected with a second bevel gear 20, the second bevel gear 20 is meshed with the first bevel gear 19 in a gear mode, the first bevel gear 19 is driven to rotate through the second motor 18, the second bevel gear 19 is driven to rotate through the second bevel gear 20, the second screw rod 16 drives the sliding block 17 to move in the third sliding grooves 15, and the bottom post 6 can be driven to move back through the sliding block 17.
Example 2
The difference between this embodiment and embodiment 1 is that the side of the clamping block 10 far away from the fixing plate 7 is fixedly provided with an anti-slip pad, and by providing the anti-slip pad, the friction force between the clamping block 10 and the gear inner ring wall can be improved.
When the gear grinding machine is used, the adjusting screw 9 is driven to move to a proper position by the nut 8 through rotating the adjusting screw 9, the gear is placed on the support 2, at the moment, the bottom end of the gear is abutted against the top end of the bottom post 6, meanwhile, the clamping block 10 is located in the inner ring of the gear, then the motor 18 drives the bevel gear 19 to rotate, the bevel gear 19 drives the screw rod 16 to rotate through the bevel gear 20, the screw rod 16 drives the sliding block 17 to move in the sliding groove 15, the bottom post 6 can be driven to move back through the sliding block 17, the bottom post 6 drives the fixing plate 7 and the clamping block 10 to move, the gear can be extruded and fixed through the clamping block 10, at the moment, the screw rod 13 drives the sliding plate 14 to move in the sliding groove 11 through the motor 12, the sliding plate 14 drives the movable seat 5 to move upwards through the supporting rod 4, the movable seat 5 drives the bottom post 6 to move upwards to a proper height, the gear can be supported through the bottom post 6, meanwhile, the gear teeth of the gear can be located outside the bottom post 6, and the gear teeth can be ground conveniently and further ground.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.