Background
In the bearing processing industry, rough processing and fine processing are required to be carried out on the surface of an outer ring of a bearing part, and a centerless grinder is required to grind the surface of the outer ring of the part according to standard sizes so that the part presents bright surface gloss after processing.
Application number is 201920010648.5's chinese utility model discloses a centerless grinder for processing precision bearing, including rack, sliding cabinet, layer board, water pump, filter, telescopic link, dead lever, bottom plate, water tank, rack bottom and bottom plate top fixed connection, the sliding cabinet is located water tank top swing joint, the layer board is located water tank top fixed connection, the water pump is located rack top fixed connection, filter bottom and bottom plate top left side fixed connection, telescopic link left end and sliding cabinet right side fixed connection, telescopic link bottom and dead lever top fixed connection. The utility model discloses a through place the bearing in the pivot on the layer board, promote the sliding cabinet through the telescopic link, make the bearing be in between emery wheel and the guide pulley, emery wheel and guide pulley rotate and polish the bearing.
In view of the above-mentioned related art, the inventors found that the following drawbacks exist: layer board fixed mounting leads to the distance between pivot and the emery wheel to be fixed at the top of water tank, and when the specification of bearing changed, the layer board can not be in under the bearing to be not convenient for support the bearing, make the bearing probably take place to drop when polishing, thereby cause the bearing to damage.
SUMMERY OF THE UTILITY MODEL
In order to make the layer board be in the bearing all the time and support under, this application provides a centerless grinder.
The application provides a centerless grinder adopts following technical scheme:
the utility model provides a centerless grinder, includes water tank, rack, sliding cabinet, layer board, water pump and filter, rack and the equal swing joint of sliding cabinet in on the water tank, the layer board set up in intermediate position between rack and the sliding cabinet and with water tank fixed connection, be provided with coupling assembling between rack and the sliding cabinet, rack and sliding cabinet pass through coupling assembling is close to each other simultaneously or keeps away from each other, be provided with the subassembly of polishing that is used for polishing the bearing between rack and the sliding cabinet.
Through adopting above-mentioned technical scheme, set up coupling assembling between rack and the slide rail, make rack and slide cabinet be close to each other or keep away from each other simultaneously, can polish to the bearing of different specifications, the layer board sets up intermediate position between rack and slide cabinet to when the subassembly of polishing between rack and the slide cabinet polishes the bearing, can make the layer board be in the bearing all the time and support under, avoid the bearing to drop and take place to damage.
Optionally, coupling assembling includes two sets of parallel arrangement's rack and sets up in two sets of gear between the rack, and is two sets of the rack is close to tooth's socket has been seted up to one side of gear and is two sets of the rack all with gear engagement, the bottom of gear with rotate between the water tank and connect, a set of the tip of rack with rack fixed connection, another group the rack is kept away from the tip of rack with sliding cabinet fixed connection.
By adopting the technical scheme, the two groups of racks are respectively connected with the cabinet and the sliding cabinet, the racks are driven to move when the sliding cabinet moves, and the racks drive the racks on the cabinet to move through the gears, so that the sliding cabinet and the cabinet can be simultaneously away from each other or approach each other, and the movement is more stable.
Optionally, the bottom four corners department of rack and sliding cabinet all is provided with the gyro wheel, set up two sets of edges on the water tank the spout that rack and sliding cabinet direction of motion set up, the gyro wheel is in the inside swing joint of spout, fixedly connected with is used for promoting the cylinder of sliding cabinet motion on the water tank.
Through adopting above-mentioned technical scheme, the cylinder promotes the sliding cabinet and moves on the water tank, and the gyro wheel of sliding cabinet and rack bottom moves in the spout to improve the stability of sliding cabinet and rack motion.
Optionally, the polishing assembly comprises a grinding wheel, a guide wheel and two sets of motors used for driving the grinding wheel and the guide wheel to rotate, the two motors are respectively and fixedly connected to the inside of the cabinet and the inside of the sliding cabinet, strip-shaped through holes are formed in the side, close to each other, of the cabinet and the sliding cabinet, and the strip-shaped through holes are formed in one sides of the grinding wheel and the guide wheel in a penetrating mode.
Through adopting above-mentioned technical scheme, the motor drives emery wheel and guide pulley and rotates and polish to being in the bearing on the layer board, and the motor is in the inside of rack and smooth cabinet with the most of emery wheel, guide pulley, and is safer during the operation.
Optionally, an opening is formed in the top end of the supporting plate, a rotating roller is arranged inside the opening, the rotating roller is arranged in parallel with the grinding wheel and the guide wheel, and the middle parts of two ends of the rotating roller are rotatably connected with the inner wall of the opening.
Through adopting above-mentioned technical scheme, set up the live-rollers on the layer board, the live-rollers supports the bearing, and when emery wheel and guide pulley ground the bearing, the live-rollers rotated along with the bearing, improved the stability of bearing, made the effect that the bearing ground better.
Optionally, the water pump fixed connection in on the water tank, fixedly connected with drinking-water pipe on the water pump with to the shower nozzle of spraying water on the live-rollers, the drinking-water pipe is kept away from the one end of water pump extends to the inside of water tank.
Through adopting above-mentioned technical scheme, the water pump draws water through the drinking-water pipe, and the rethread shower nozzle is to the live-rollers blowout to can cool down emery wheel and guide pulley, improve the life of emery wheel and guide pulley.
Optionally, the filter is fixedly installed at the bottom of the inner wall of the water tank, and one end of the water pumping pipe, which is far away from the water pump, is fixedly connected with the filter.
Through adopting above-mentioned technical scheme, during water in the water tank passed the filter reentrant drinking-water pipe to impurity and iron fillings in the aquatic can be filtered, make impurity and iron fillings fall to the bearing when avoiding the shower nozzle to spray water, lead to the fact the influence to polishing of bearing.
Optionally, a groove is formed in the upper surface of the water tank, and a plurality of water flow holes are formed in the bottom end of the groove.
By adopting the technical scheme, water sprayed by the spray head enters the groove, so that the water is prevented from flowing to the ground to cause pollution, and the water can enter the water tank again through the drain hole, so that the water is recycled, and the resources are saved.
In summary, the present application includes at least the following advantageous technical effects:
1. the connecting component is arranged between the cabinet and the sliding rail, so that the cabinet and the sliding cabinet are close to or far away from each other at the same time, bearings with different specifications can be polished, and the supporting plate is arranged in the middle between the cabinet and the sliding cabinet, so that when the polishing component between the cabinet and the sliding cabinet polishes the bearings, the supporting plate can be always positioned under the bearings for supporting, and the bearings are prevented from falling off and being damaged;
2. the motor drives the grinding wheel and the guide wheel to rotate to polish the bearing on the supporting plate, and most of the motor, the grinding wheel and the guide wheel are positioned in the cabinet and the sliding cabinet, so that the operation is safer;
3. the water pump draws water through the drinking-water pipe, and the rethread shower nozzle is to the live-rollers blowout to can cool down emery wheel and guide pulley, improve the life of emery wheel and guide pulley, and the water in the water tank filters through the filter, make impurity and iron fillings fall to the bearing when avoiding the shower nozzle water spray, lead to the fact the influence to polishing of bearing.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a centerless grinding machine. Referring to fig. 1, the centerless grinding machine comprises a water tank 1, a cabinet 2, a sliding cabinet 3, a supporting plate 4, a water pump 5 and a filter 6, wherein a connecting assembly 7 is arranged between the cabinet 2 and the sliding cabinet 3, the cabinet 2 and the sliding cabinet 3 are close to or far away from each other through the connecting assembly 7, and a grinding assembly 8 for grinding a bearing is arranged between the cabinet 2 and the sliding cabinet 3.
Referring to fig. 2, the subassembly 8 of polishing includes emery wheel 81 and guide pulley 82, emery wheel 81 and guide pulley 82 set up respectively in the inside of rack 2 and smooth cabinet 3, the bar through-hole has all been seted up to one side that rack 2 and smooth cabinet 3 are close to each other, the bar through-hole is worn to establish in one side of emery wheel 81 and guide pulley 82, the tip of emery wheel 81 and guide pulley 82 all is provided with and is used for driving emery wheel 81 and guide pulley 82 pivoted motor, the motor drives emery wheel 81 and guide pulley 82 and rotates, rack 2 and smooth cabinet 3 are close to each other and drive emery wheel 81 and guide pulley 82 and are close to each other, thereby polish the bearing.
Referring to fig. 1 and 2, layer board 4 sets up intermediate position between rack 2 and the smooth cabinet 3 and with the top fixed connection of water tank 1, the opening has been seted up on the top of layer board 4, the open-ended inside is provided with live-rollers 41, the both ends middle part of live-rollers 41 all with the open-ended inner wall between rotate be connected, and live-rollers 41 with emery wheel 81 and guide pulley 82 parallel arrangement support the bearing through live-rollers 41, when emery wheel 81 and guide pulley 82 polished the bearing, live-rollers 41 rotated along with the bearing, improved the stability of bearing, made the effect that the bearing polished better.
Referring to fig. 3, the connecting assembly 7 includes two sets of racks 71 arranged in parallel and a gear 72 arranged between the two sets of racks 71, the bottom of the gear 72 is rotatably connected with the top of the water tank 1, one side of the two sets of racks 71 close to the gear 72 is provided with tooth grooves, the two sets of racks 71 are both engaged with the gear 72, the end of one set of racks 71 is fixedly connected with the cabinet 2, the end of the other set of racks 71 far away from the cabinet 2 is fixedly connected with the slide cabinet 3, so that when the slide cabinet 3 moves, the racks 71 connected with the slide cabinet 3 drive the gear 72 to rotate, thereby driving the racks 71 connected with the cabinet 2 to rotate, so that the cabinet 2 and the slide cabinet 3 are close to or far away from each other simultaneously through the connecting assembly 7, adjusting the distance between the grinding wheel 81 and the guide wheel 82 to facilitate grinding bearings with different diameters, in order to facilitate the movement of the cabinet 2 and the slide cabinet 3, the four corners at the bottom of the cabinet 2 and the slide cabinet 3 are both provided with rollers 21, and set up two sets of spouts 111 that set up along rack 2 and 3 directions of motion of sliding cabinet on the water tank 1, gyro wheel 21 is at the inside swing joint of spout 111, makes sliding cabinet 3 and 2 motions more stable, and fixedly connected with is used for promoting the cylinder 31 of sliding cabinet 3 motion on the water tank 1, promotes sliding cabinet 3 through cylinder 31 and removes to the realization drives the motion of rack 2.
Referring to fig. 1 and 3, a water pump 5 is fixedly connected to a water tank 1, the water pump 5 is fixedly connected to a water pumping pipe 51 and a nozzle 52 for spraying water onto a rotating roller 41, one end of the water pumping pipe 51, which is far away from the water pump 5, extends into the water tank 1, a filter 6 is fixedly installed at the bottom of the inner wall of the water tank 1, one end of the water pumping pipe 51, which is far away from the water pump 5, is fixedly connected to the filter 6, the water pump 5 pumps water through the water pumping pipe 51 and then sprays the water to the rotating roller 41 through the nozzle 52, thereby cooling the grinding wheel 81 and the guide wheel 82, prolonging the service life of the grinding wheel 81 and the guide wheel 82, arranging the groove 11 on the upper surface of the water tank 1, arranging a plurality of water flowing holes 112 at the bottom end of the groove 11, leading the water sprayed by the spray head 52 to enter the groove 11, avoiding the pollution caused by the water flowing to the ground, and water can enter the water tank 1 again through the water flowing hole 112, thereby realizing the recycling of water and saving resources.
The implementation principle of the centerless grinding machine in the embodiment of the application is as follows: when the device is used, a power supply is switched on, the sliding cabinet 3 is driven to move by the starting cylinder 31, the roller 21 slides in the sliding groove 111, the sliding cabinet 3 drives the rack 71 to move, the rack 71 drives the rack 71 on the cabinet 2 to move through the gear 72, so that the distance between the sliding cabinet 3 and the cabinet 2 can be adjusted, the bearing is placed on the rotating roller 41, the starting motor drives the grinding wheel 81 and the guide wheel 82 to rotate, the bearing is ground, the water pump 5 is started again to pump water, water in the water tank 1 enters the water pumping pipe 51 and is sprayed out from the spray head 52, the bearing, the grinding wheel 81 and the guide wheel 82 can be cooled, the water flows into the water tank 1 from the water flowing hole 112 on the water tank 1, water circulation is achieved, and impurities and scrap iron in the water can be removed after the water passes through the filter 6.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.