Casting pipe fitting inner wall grinding device
Technical Field
The utility model relates to a casting pipe fitting production facility technical field specifically indicates a casting pipe fitting inner wall grinding device.
Background
After the casting of the cast pipe fitting is finished, the inner wall of the cast pipe fitting needs to be polished so that the roughness of the inner wall of the cast pipe fitting meets the requirement. Current casting pipe fitting inner wall grinding device sets up the polishing block in pivot both sides more, and in the pivot stretched into the casting pipe fitting, the motor drove the pivot and rotates for the polishing block of pivot both sides polished the casting inside pipe wall, because the position relatively fixed of polishing block, can't polish to the casting pipe fitting of different pipe diameters, and polishing block self can't rotate simultaneously, and the effect of polishing is not good, and the speed of polishing is slower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, to above-mentioned problem, provide one kind can be to different pipe diameter pipe fittings inside polish, polish effectual, fast casting pipe fitting inner wall grinding device.
In order to solve the technical problem, the utility model provides a technical scheme does: a polishing device for the inner wall of a cast pipe fitting comprises a bottom plate and a grinding roller, wherein slide rails are arranged on the left side and the right side of the upper end surface of the bottom plate, threaded rods are arranged above the left side and the right side of the upper end surface of the bottom plate, a first motor is arranged at the left end and the right end of the upper end surface of the bottom plate, the output end of the first motor is connected with the threaded rods, a movable plate is connected to the slide rails in a sliding manner, the threaded rods are in threaded connection with the movable plate, a support column is arranged on the upper end surface of the movable plate, a rotating shaft is rotatably connected to the upper end of the support column, a lifting table is arranged in the middle section of the upper end surface of the bottom plate, a planetary gear is arranged at one end of the rotating shaft close to the lifting table, threaded connection has coupling nut on the connecting bolt, the pivot is kept away from one of elevating platform and is served and be equipped with belt pulley one, support column one side is equipped with motor two on the fly leaf, be equipped with belt pulley two on motor two's the output, belt pulley two passes through the belt and is connected with belt pulley one, the elevating platform includes fixed frame and movable box, sliding connection has the movable box in the fixed frame, be equipped with pneumatic cylinder one in the fixed frame, the piston rod and the movable box lower extreme face of pneumatic cylinder one are connected, movable box side upper end is equipped with the backup pad, be equipped with the pole setting in the backup pad, the pole setting upper end is equipped with the roof, be equipped with cylinder two on the roof, the roof below is equipped with the pinch-off plate between.
Compared with the prior art, the utility model the advantage lie in: the casting pipe inner wall polishing device is characterized in that a casting pipe is placed on a movable box, a piston rod of a hydraulic cylinder II extends out to drive a clamping plate to move downwards, the clamping plate and the movable box together fix the position of the casting pipe, a motor I rotates to drive a threaded rod to rotate, so that a movable plate in threaded connection with the threaded rod slides along a guide rail, the movable plate drives a grinding roller to move relatively through a support column, the grinding roller extends into the casting pipe, the motor II rotates, a belt pulley I is driven by a belt to rotate, the belt pulley drives a rotating shaft to rotate, the rotating shaft drives a sun gear to rotate, the sun gear drives a planet gear to revolve while rotating, the planet gear drives the grinding roller to revolve while rotating, and the grinding roller polishes the inner wall of the casting pipe; the grinding roller passes through connecting bolt and coupling nut and is connected with the connecting hole on the planet wheel for the pipe diameter of the casting pipe fitting that the grinding roller can polish as required is changed, thereby makes this grinding device can polish to the casting pipe fitting of different pipe diameters.
As an improvement, a planetary wheel of the planetary gear is provided with a limiting hole, the grinding roller is provided with a limiting rod, and the limiting rod is connected with the limiting hole in a sliding mode to further limit the position of the grinding roller.
As an improvement, the front side and the rear side of the hydraulic cylinder II on the top plate are slidably connected with guide rods, the lower ends of the guide rods are connected with the clamping plate, and the guide rods guide the movement direction of the clamping plate.
As an improvement, the number of the planet wheels of the planet gear is three, and the number of the grinding rollers for grinding the inner wall of the cast pipe fitting is three.
As an improvement, the opposite surfaces of the movable box and the clamping plate are cambered surfaces, and the cast pipe fitting can be well fixed.
As an improvement, the first motor adopts a servo motor, so that the movement distance of the movable plate is accurately controllable.
Drawings
Fig. 1 is the utility model relates to a casting pipe fitting inner wall grinding device's schematic structure diagram.
Fig. 2 is the utility model relates to a top view of casting pipe fitting inner wall grinding device bottom plate.
Fig. 3 is the utility model discloses a casting pipe fitting inner wall grinding device's planetary gear's schematic structure diagram.
Fig. 4 is the utility model relates to a structural schematic diagram of casting pipe fitting inner wall grinding device's grinding roller.
Description of the drawings: 1. the grinding device comprises a base plate, 2, a grinding roller, 3, a sliding rail, 4, a threaded rod, 5, a motor I, 6, a movable plate, 7, a supporting column, 8, a rotating shaft, 9, a sun wheel, 10, a gear ring, 11, a connecting rod, 12, a planet wheel, 13, a connecting hole, 14, a connecting bolt, 15, a connecting nut, 16, a belt pulley I, 17, a motor II, 18, a belt pulley II, 19, a fixed frame, 20, a movable box, 21, a hydraulic cylinder I, 22, a supporting plate, 23, a vertical rod, 24, a top plate, 25, a hydraulic cylinder II, 26, a clamping plate, 27, a limiting hole, 28, a limiting rod, 29 and a guide rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawings, the polishing device for the inner wall of the cast pipe fitting comprises a bottom plate 1 and a grinding roller 2, wherein slide rails 3 are arranged on the left side and the right side of the upper end face of the bottom plate 1, threaded rods 4 are arranged above the left side and the right side of the bottom plate 1, a motor I5 is arranged at the left end and the right end of the upper end face of the bottom plate 1, the output end of the motor I5 is connected with the threaded rods 4, a movable plate 6 is connected onto the slide rails 3 in a sliding manner, the threaded rods 4 are in threaded connection with the movable plate 6, a support column 7 is arranged on the upper end face of the movable plate 6, the upper end of the support column 7 is rotatably connected with a rotating shaft 8, a lifting table is arranged in the middle section of the upper end face of the bottom plate 1, a planetary gear is arranged at one end, close to the lifting table, of, the grinding roller 2 is provided with a connecting bolt 14, the grinding roller 2 is connected with a connecting hole 13 through the connecting bolt 14, the connecting bolt 14 is connected with a connecting nut 15 through threads, one end of the rotating shaft 8, which is far away from the lifting platform, is provided with a first belt pulley 16, one side of the support column 7 on the movable plate 6 is provided with a second motor 17, the output end of the second motor 17 is provided with a second belt pulley 18, the second belt pulley 18 is connected with the first belt pulley 16 through a belt, the lifting platform comprises a fixed frame 19 and a movable box 20, the fixed frame 19 is connected with the movable box 20 in a sliding manner, the fixed frame 19 is internally provided with a first hydraulic cylinder 21, a piston rod of the first hydraulic cylinder 21 is connected with the lower end face of the movable box 20, the upper end of the side face of the movable box 20 is provided with a support, a clamping plate 26 is arranged below the top plate 24 between the upright rods 23, and a piston rod of the second hydraulic cylinder 25 is connected with the clamping plate 26.
The planet wheel 12 of the planet gear is provided with a limiting hole 27, the grinding roller 2 is provided with a limiting rod 28, and the limiting rod 28 is connected with the limiting hole 27 in a sliding manner.
The front side and the rear side of the second hydraulic cylinder 25 on the top plate 24 are slidably connected with guide rods 29, and the lower ends of the guide rods 29 are connected with the clamping plate 26.
There are three planet wheels 12 of the planetary gear.
The opposite surfaces of the movable box 20 and the clamping plate 26 are cambered surfaces.
The first motor 5 adopts a servo motor.
The utility model discloses a theory of operation: when the polishing device for the inner wall of the casting pipe fitting is used, the casting pipe fitting is placed on the movable box, the piston rod of the hydraulic cylinder II extends out to drive the clamping plate to move downwards, and the clamping plate and the movable box are used for fixing the position of the casting pipe fitting together. And a piston rod of the first hydraulic cylinder stretches and retracts to drive the movable box to slide in the fixed frame, so that the height of the cast pipe fitting is adjusted. The first motor rotates to drive the threaded rod to rotate, so that the movable plate in threaded connection with the threaded rod slides along the guide rail, the movable plate drives the grinding roller to move relatively through the support column, and the grinding roller extends into the casting pipe fitting. The second motor rotates, the second belt pulley drives the first belt pulley to rotate through a belt, the belt pulley drives the rotating shaft to rotate, the rotating shaft drives the sun wheel to rotate, the position of the gear ring is fixed by the connecting rod, the sun wheel drives the planet wheel to revolve while rotating, the planet wheel drives the grinding roller to revolve while rotating, and the grinding roller polishes the inner wall of the cast pipe fitting. The grinding roller passes through connecting bolt and coupling nut and is connected with the connecting hole on the planet wheel for the pipe diameter of the casting pipe fitting that the grinding roller can polish as required is changed, thereby makes this grinding device can polish to the casting pipe fitting of different pipe diameters.
The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments of the present invention are shown in the drawings, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.